projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
wireless: consolidate on a single escape_essid implementation
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / wireless / ipw2200.c
CommitLineData
43f66a6c 1/******************************************************************************
bf79451e 2
171e7b2f 3 Copyright(c) 2003 - 2006 Intel Corporation. All rights reserved.
43f66a6c
JK		 4
5 802.11 status code portion of this file from ethereal-0.10.6:
6 Copyright 2000, Axis Communications AB
7 Ethereal - Network traffic analyzer
8 By Gerald Combs <gerald@ethereal.com>
9 Copyright 1998 Gerald Combs
10
bf79451e
JG		 11 This program is free software; you can redistribute it and/or modify it
12 under the terms of version 2 of the GNU General Public License as
43f66a6c 13 published by the Free Software Foundation.
bf79451e
JG		 14
15 This program is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
43f66a6c 18 more details.
bf79451e 19
43f66a6c 20 You should have received a copy of the GNU General Public License along with
bf79451e 21 this program; if not, write to the Free Software Foundation, Inc., 59
43f66a6c 22 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
bf79451e 23
43f66a6c
JK		 24 The full GNU General Public License is included in this distribution in the
25 file called LICENSE.
bf79451e 26
43f66a6c
JK		 27 Contact Information:
28 James P. Ketrenos <ipw2100-admin@linux.intel.com>
29 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30
31******************************************************************************/
32
33#include "ipw2200.h"
34
ae4af61f
ZY		 35
36#ifndef KBUILD_EXTMOD
37#define VK "k"
38#else
39#define VK
40#endif
41
42#ifdef CONFIG_IPW2200_DEBUG
43#define VD "d"
44#else
45#define VD
46#endif
47
48#ifdef CONFIG_IPW2200_MONITOR
49#define VM "m"
50#else
51#define VM
52#endif
53
54#ifdef CONFIG_IPW2200_PROMISCUOUS
55#define VP "p"
56#else
57#define VP
58#endif
59
459d4087 60#ifdef CONFIG_IPW2200_RADIOTAP
ae4af61f
ZY		 61#define VR "r"
62#else
63#define VR
64#endif
65
66#ifdef CONFIG_IPW2200_QOS
67#define VQ "q"
68#else
69#define VQ
70#endif
71
ee2c4add 72#define IPW2200_VERSION "1.2.2" VK VD VM VP VR VQ
43f66a6c 73#define DRV_DESCRIPTION "Intel(R) PRO/Wireless 2200/2915 Network Driver"
171e7b2f 74#define DRV_COPYRIGHT "Copyright(c) 2003-2006 Intel Corporation"
43f66a6c
JK		 75#define DRV_VERSION IPW2200_VERSION
76
b095c381
JK		 77#define ETH_P_80211_STATS (ETH_P_80211_RAW + 1)
78
43f66a6c
JK		 79MODULE_DESCRIPTION(DRV_DESCRIPTION);
80MODULE_VERSION(DRV_VERSION);
81MODULE_AUTHOR(DRV_COPYRIGHT);
82MODULE_LICENSE("GPL");
83
f6c5cb7c 84static int cmdlog = 0;
43f66a6c
JK		 85static int debug = 0;
86static int channel = 0;
43f66a6c
JK		 87static int mode = 0;
88
89static u32 ipw_debug_level;
5c7f9b73 90static int associate;
43f66a6c 91static int auto_create = 1;
a613bffd 92static int led = 0;
43f66a6c 93static int disable = 0;
810dabd4 94static int bt_coexist = 0;
bde37d03 95static int hwcrypto = 0;
4bfdb91d 96static int roaming = 1;
43f66a6c
JK		 97static const char ipw_modes[] = {
98 'a', 'b', 'g', '?'
99};
d2b83e12 100static int antenna = CFG_SYS_ANTENNA_BOTH;
43f66a6c 101
d685b8c2
ZY		 102#ifdef CONFIG_IPW2200_PROMISCUOUS
103static int rtap_iface = 0; /* def: 0 -- do not create rtap interface */
104#endif
105
106
e43e3c1e 107#ifdef CONFIG_IPW2200_QOS
b095c381
JK		 108static int qos_enable = 0;
109static int qos_burst_enable = 0;
110static int qos_no_ack_mask = 0;
111static int burst_duration_CCK = 0;
112static int burst_duration_OFDM = 0;
113
114static struct ieee80211_qos_parameters def_qos_parameters_OFDM = {
115 {QOS_TX0_CW_MIN_OFDM, QOS_TX1_CW_MIN_OFDM, QOS_TX2_CW_MIN_OFDM,
116 QOS_TX3_CW_MIN_OFDM},
117 {QOS_TX0_CW_MAX_OFDM, QOS_TX1_CW_MAX_OFDM, QOS_TX2_CW_MAX_OFDM,
118 QOS_TX3_CW_MAX_OFDM},
119 {QOS_TX0_AIFS, QOS_TX1_AIFS, QOS_TX2_AIFS, QOS_TX3_AIFS},
120 {QOS_TX0_ACM, QOS_TX1_ACM, QOS_TX2_ACM, QOS_TX3_ACM},
121 {QOS_TX0_TXOP_LIMIT_OFDM, QOS_TX1_TXOP_LIMIT_OFDM,
122 QOS_TX2_TXOP_LIMIT_OFDM, QOS_TX3_TXOP_LIMIT_OFDM}
123};
124
125static struct ieee80211_qos_parameters def_qos_parameters_CCK = {
126 {QOS_TX0_CW_MIN_CCK, QOS_TX1_CW_MIN_CCK, QOS_TX2_CW_MIN_CCK,
127 QOS_TX3_CW_MIN_CCK},
128 {QOS_TX0_CW_MAX_CCK, QOS_TX1_CW_MAX_CCK, QOS_TX2_CW_MAX_CCK,
129 QOS_TX3_CW_MAX_CCK},
130 {QOS_TX0_AIFS, QOS_TX1_AIFS, QOS_TX2_AIFS, QOS_TX3_AIFS},
131 {QOS_TX0_ACM, QOS_TX1_ACM, QOS_TX2_ACM, QOS_TX3_ACM},
132 {QOS_TX0_TXOP_LIMIT_CCK, QOS_TX1_TXOP_LIMIT_CCK, QOS_TX2_TXOP_LIMIT_CCK,
133 QOS_TX3_TXOP_LIMIT_CCK}
134};
135
136static struct ieee80211_qos_parameters def_parameters_OFDM = {
137 {DEF_TX0_CW_MIN_OFDM, DEF_TX1_CW_MIN_OFDM, DEF_TX2_CW_MIN_OFDM,
138 DEF_TX3_CW_MIN_OFDM},
139 {DEF_TX0_CW_MAX_OFDM, DEF_TX1_CW_MAX_OFDM, DEF_TX2_CW_MAX_OFDM,
140 DEF_TX3_CW_MAX_OFDM},
141 {DEF_TX0_AIFS, DEF_TX1_AIFS, DEF_TX2_AIFS, DEF_TX3_AIFS},
142 {DEF_TX0_ACM, DEF_TX1_ACM, DEF_TX2_ACM, DEF_TX3_ACM},
143 {DEF_TX0_TXOP_LIMIT_OFDM, DEF_TX1_TXOP_LIMIT_OFDM,
144 DEF_TX2_TXOP_LIMIT_OFDM, DEF_TX3_TXOP_LIMIT_OFDM}
145};
146
147static struct ieee80211_qos_parameters def_parameters_CCK = {
148 {DEF_TX0_CW_MIN_CCK, DEF_TX1_CW_MIN_CCK, DEF_TX2_CW_MIN_CCK,
149 DEF_TX3_CW_MIN_CCK},
150 {DEF_TX0_CW_MAX_CCK, DEF_TX1_CW_MAX_CCK, DEF_TX2_CW_MAX_CCK,
151 DEF_TX3_CW_MAX_CCK},
152 {DEF_TX0_AIFS, DEF_TX1_AIFS, DEF_TX2_AIFS, DEF_TX3_AIFS},
153 {DEF_TX0_ACM, DEF_TX1_ACM, DEF_TX2_ACM, DEF_TX3_ACM},
154 {DEF_TX0_TXOP_LIMIT_CCK, DEF_TX1_TXOP_LIMIT_CCK, DEF_TX2_TXOP_LIMIT_CCK,
155 DEF_TX3_TXOP_LIMIT_CCK}
156};
157
158static u8 qos_oui[QOS_OUI_LEN] = { 0x00, 0x50, 0xF2 };
159
160static int from_priority_to_tx_queue[] = {
161 IPW_TX_QUEUE_1, IPW_TX_QUEUE_2, IPW_TX_QUEUE_2, IPW_TX_QUEUE_1,
162 IPW_TX_QUEUE_3, IPW_TX_QUEUE_3, IPW_TX_QUEUE_4, IPW_TX_QUEUE_4
163};
164
165static u32 ipw_qos_get_burst_duration(struct ipw_priv *priv);
166
167static int ipw_send_qos_params_command(struct ipw_priv *priv, struct ieee80211_qos_parameters
168 *qos_param);
169static int ipw_send_qos_info_command(struct ipw_priv *priv, struct ieee80211_qos_information_element
170 *qos_param);
e43e3c1e 171#endif /* CONFIG_IPW2200_QOS */
b095c381 172
97a78ca9 173static struct iw_statistics *ipw_get_wireless_stats(struct net_device *dev);
b095c381 174static void ipw_remove_current_network(struct ipw_priv *priv);
43f66a6c 175static void ipw_rx(struct ipw_priv *priv);
bf79451e 176static int ipw_queue_tx_reclaim(struct ipw_priv *priv,
43f66a6c
JK		 177 struct clx2_tx_queue *txq, int qindex);
178static int ipw_queue_reset(struct ipw_priv *priv);
179
180static int ipw_queue_tx_hcmd(struct ipw_priv *priv, int hcmd, void *buf,
181 int len, int sync);
182
183static void ipw_tx_queue_free(struct ipw_priv *);
184
185static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *);
186static void ipw_rx_queue_free(struct ipw_priv *, struct ipw_rx_queue *);
187static void ipw_rx_queue_replenish(void *);
43f66a6c 188static int ipw_up(struct ipw_priv *);
c4028958 189static void ipw_bg_up(struct work_struct *work);
43f66a6c 190static void ipw_down(struct ipw_priv *);
c4028958 191static void ipw_bg_down(struct work_struct *work);
43f66a6c 192static int ipw_config(struct ipw_priv *);
0edd5b44
JG		 193static int init_supported_rates(struct ipw_priv *priv,
194 struct ipw_supported_rates *prates);
b095c381
JK		 195static void ipw_set_hwcrypto_keys(struct ipw_priv *);
196static void ipw_send_wep_keys(struct ipw_priv *, int);
43f66a6c 197
f6c5cb7c
JK		 198static int snprint_line(char *buf, size_t count,
199 const u8 * data, u32 len, u32 ofs)
43f66a6c
JK		 200{
201 int out, i, j, l;
202 char c;
bf79451e 203
43f66a6c
JK		 204 out = snprintf(buf, count, "%08X", ofs);
205
206 for (l = 0, i = 0; i < 2; i++) {
207 out += snprintf(buf + out, count - out, " ");
bf79451e
JG		 208 for (j = 0; j < 8 && l < len; j++, l++)
209 out += snprintf(buf + out, count - out, "%02X ",
43f66a6c
JK		 210 data[(i * 8 + j)]);
211 for (; j < 8; j++)
212 out += snprintf(buf + out, count - out, " ");
213 }
bf79451e 214
43f66a6c
JK		 215 out += snprintf(buf + out, count - out, " ");
216 for (l = 0, i = 0; i < 2; i++) {
217 out += snprintf(buf + out, count - out, " ");
218 for (j = 0; j < 8 && l < len; j++, l++) {
219 c = data[(i * 8 + j)];
220 if (!isascii(c) || !isprint(c))
221 c = '.';
bf79451e 222
43f66a6c
JK		 223 out += snprintf(buf + out, count - out, "%c", c);
224 }
225
226 for (; j < 8; j++)
227 out += snprintf(buf + out, count - out, " ");
228 }
bf79451e 229
f6c5cb7c 230 return out;
43f66a6c
JK		 231}
232
0edd5b44 233static void printk_buf(int level, const u8 * data, u32 len)
43f66a6c
JK		 234{
235 char line[81];
236 u32 ofs = 0;
237 if (!(ipw_debug_level & level))
238 return;
239
240 while (len) {
f6c5cb7c
JK		 241 snprint_line(line, sizeof(line), &data[ofs],
242 min(len, 16U), ofs);
243 printk(KERN_DEBUG "%s\n", line);
43f66a6c
JK		 244 ofs += 16;
245 len -= min(len, 16U);
246 }
247}
248
f6c5cb7c
JK		 249static int snprintk_buf(u8 * output, size_t size, const u8 * data, size_t len)
250{
251 size_t out = size;
252 u32 ofs = 0;
253 int total = 0;
254
255 while (size && len) {
256 out = snprint_line(output, size, &data[ofs],
257 min_t(size_t, len, 16U), ofs);
258
259 ofs += 16;
260 output += out;
261 size -= out;
262 len -= min_t(size_t, len, 16U);
263 total += out;
264 }
265 return total;
266}
267
c8fe6679 268/* alias for 32-bit indirect read (for SRAM/reg above 4K), with debug wrapper */
43f66a6c
JK		 269static u32 _ipw_read_reg32(struct ipw_priv *priv, u32 reg);
270#define ipw_read_reg32(a, b) _ipw_read_reg32(a, b)
271
c8fe6679 272/* alias for 8-bit indirect read (for SRAM/reg above 4K), with debug wrapper */
43f66a6c
JK		 273static u8 _ipw_read_reg8(struct ipw_priv *ipw, u32 reg);
274#define ipw_read_reg8(a, b) _ipw_read_reg8(a, b)
275
c8fe6679 276/* 8-bit indirect write (for SRAM/reg above 4K), with debug wrapper */
43f66a6c
JK		 277static void _ipw_write_reg8(struct ipw_priv *priv, u32 reg, u8 value);
278static inline void ipw_write_reg8(struct ipw_priv *a, u32 b, u8 c)
279{
0edd5b44
JG		 280 IPW_DEBUG_IO("%s %d: write_indirect8(0x%08X, 0x%08X)\n", __FILE__,
281 __LINE__, (u32) (b), (u32) (c));
43f66a6c
JK		 282 _ipw_write_reg8(a, b, c);
283}
284
c8fe6679 285/* 16-bit indirect write (for SRAM/reg above 4K), with debug wrapper */
43f66a6c
JK		 286static void _ipw_write_reg16(struct ipw_priv *priv, u32 reg, u16 value);
287static inline void ipw_write_reg16(struct ipw_priv *a, u32 b, u16 c)
288{
0edd5b44
JG		 289 IPW_DEBUG_IO("%s %d: write_indirect16(0x%08X, 0x%08X)\n", __FILE__,
290 __LINE__, (u32) (b), (u32) (c));
43f66a6c
JK		 291 _ipw_write_reg16(a, b, c);
292}
293
c8fe6679 294/* 32-bit indirect write (for SRAM/reg above 4K), with debug wrapper */
43f66a6c
JK		 295static void _ipw_write_reg32(struct ipw_priv *priv, u32 reg, u32 value);
296static inline void ipw_write_reg32(struct ipw_priv *a, u32 b, u32 c)
297{
0edd5b44
JG		 298 IPW_DEBUG_IO("%s %d: write_indirect32(0x%08X, 0x%08X)\n", __FILE__,
299 __LINE__, (u32) (b), (u32) (c));
43f66a6c
JK		 300 _ipw_write_reg32(a, b, c);
301}
302
c8fe6679 303/* 8-bit direct write (low 4K) */
43f66a6c 304#define _ipw_write8(ipw, ofs, val) writeb((val), (ipw)->hw_base + (ofs))
c8fe6679
ZY		 305
306/* 8-bit direct write (for low 4K of SRAM/regs), with debug wrapper */
fb55d887 307#define ipw_write8(ipw, ofs, val) do { \
43f66a6c 308 IPW_DEBUG_IO("%s %d: write_direct8(0x%08X, 0x%08X)\n", __FILE__, __LINE__, (u32)(ofs), (u32)(val)); \
fb55d887
TI		 309 _ipw_write8(ipw, ofs, val); \
310 } while (0)
43f66a6c 311
c8fe6679 312/* 16-bit direct write (low 4K) */
43f66a6c 313#define _ipw_write16(ipw, ofs, val) writew((val), (ipw)->hw_base + (ofs))
c8fe6679
ZY		 314
315/* 16-bit direct write (for low 4K of SRAM/regs), with debug wrapper */
43f66a6c
JK		 316#define ipw_write16(ipw, ofs, val) \
317 IPW_DEBUG_IO("%s %d: write_direct16(0x%08X, 0x%08X)\n", __FILE__, __LINE__, (u32)(ofs), (u32)(val)); \
318 _ipw_write16(ipw, ofs, val)
319
c8fe6679 320/* 32-bit direct write (low 4K) */
43f66a6c 321#define _ipw_write32(ipw, ofs, val) writel((val), (ipw)->hw_base + (ofs))
c8fe6679
ZY		 322
323/* 32-bit direct write (for low 4K of SRAM/regs), with debug wrapper */
43f66a6c
JK		 324#define ipw_write32(ipw, ofs, val) \
325 IPW_DEBUG_IO("%s %d: write_direct32(0x%08X, 0x%08X)\n", __FILE__, __LINE__, (u32)(ofs), (u32)(val)); \
326 _ipw_write32(ipw, ofs, val)
327
c8fe6679 328/* 8-bit direct read (low 4K) */
43f66a6c 329#define _ipw_read8(ipw, ofs) readb((ipw)->hw_base + (ofs))
c8fe6679
ZY		 330
331/* 8-bit direct read (low 4K), with debug wrapper */
0edd5b44
JG		 332static inline u8 __ipw_read8(char *f, u32 l, struct ipw_priv *ipw, u32 ofs)
333{
334 IPW_DEBUG_IO("%s %d: read_direct8(0x%08X)\n", f, l, (u32) (ofs));
43f66a6c
JK		 335 return _ipw_read8(ipw, ofs);
336}
0edd5b44 337
c8fe6679 338/* alias to 8-bit direct read (low 4K of SRAM/regs), with debug wrapper */
43f66a6c
JK		 339#define ipw_read8(ipw, ofs) __ipw_read8(__FILE__, __LINE__, ipw, ofs)
340
c8fe6679 341/* 16-bit direct read (low 4K) */
43f66a6c 342#define _ipw_read16(ipw, ofs) readw((ipw)->hw_base + (ofs))
c8fe6679
ZY		 343
344/* 16-bit direct read (low 4K), with debug wrapper */
0edd5b44
JG		 345static inline u16 __ipw_read16(char *f, u32 l, struct ipw_priv *ipw, u32 ofs)
346{
347 IPW_DEBUG_IO("%s %d: read_direct16(0x%08X)\n", f, l, (u32) (ofs));
43f66a6c
JK		 348 return _ipw_read16(ipw, ofs);
349}
0edd5b44 350
c8fe6679 351/* alias to 16-bit direct read (low 4K of SRAM/regs), with debug wrapper */
43f66a6c
JK		 352#define ipw_read16(ipw, ofs) __ipw_read16(__FILE__, __LINE__, ipw, ofs)
353
c8fe6679 354/* 32-bit direct read (low 4K) */
43f66a6c 355#define _ipw_read32(ipw, ofs) readl((ipw)->hw_base + (ofs))
c8fe6679
ZY		 356
357/* 32-bit direct read (low 4K), with debug wrapper */
0edd5b44
JG		 358static inline u32 __ipw_read32(char *f, u32 l, struct ipw_priv *ipw, u32 ofs)
359{
360 IPW_DEBUG_IO("%s %d: read_direct32(0x%08X)\n", f, l, (u32) (ofs));
43f66a6c
JK		 361 return _ipw_read32(ipw, ofs);
362}
0edd5b44 363
c8fe6679 364/* alias to 32-bit direct read (low 4K of SRAM/regs), with debug wrapper */
43f66a6c
JK		 365#define ipw_read32(ipw, ofs) __ipw_read32(__FILE__, __LINE__, ipw, ofs)
366
c8fe6679 367/* multi-byte read (above 4K), with debug wrapper */
43f66a6c 368static void _ipw_read_indirect(struct ipw_priv *, u32, u8 *, int);
f6c5cb7c
JK		 369static inline void __ipw_read_indirect(const char *f, int l,
370 struct ipw_priv *a, u32 b, u8 * c, int d)
371{
372 IPW_DEBUG_IO("%s %d: read_indirect(0x%08X) %d bytes\n", f, l, (u32) (b),
373 d);
374 _ipw_read_indirect(a, b, c, d);
375}
376
c8fe6679 377/* alias to multi-byte read (SRAM/regs above 4K), with debug wrapper */
f6c5cb7c 378#define ipw_read_indirect(a, b, c, d) __ipw_read_indirect(__FILE__, __LINE__, a, b, c, d)
43f66a6c 379
c8fe6679 380/* alias to multi-byte read (SRAM/regs above 4K), with debug wrapper */
0edd5b44
JG		 381static void _ipw_write_indirect(struct ipw_priv *priv, u32 addr, u8 * data,
382 int num);
43f66a6c
JK		 383#define ipw_write_indirect(a, b, c, d) \
384 IPW_DEBUG_IO("%s %d: write_indirect(0x%08X) %d bytes\n", __FILE__, __LINE__, (u32)(b), d); \
afbf30a2 385 _ipw_write_indirect(a, b, c, d)
43f66a6c 386
c8fe6679 387/* 32-bit indirect write (above 4K) */
0edd5b44 388static void _ipw_write_reg32(struct ipw_priv *priv, u32 reg, u32 value)
43f66a6c 389{
0edd5b44 390 IPW_DEBUG_IO(" %p : reg = 0x%8X : value = 0x%8X\n", priv, reg, value);
b095c381
JK		 391 _ipw_write32(priv, IPW_INDIRECT_ADDR, reg);
392 _ipw_write32(priv, IPW_INDIRECT_DATA, value);
43f66a6c
JK		 393}
394
c8fe6679 395/* 8-bit indirect write (above 4K) */
43f66a6c
JK		 396static void _ipw_write_reg8(struct ipw_priv *priv, u32 reg, u8 value)
397{
2638bc39 398 u32 aligned_addr = reg & IPW_INDIRECT_ADDR_MASK; /* dword align */
c8fe6679
ZY		 399 u32 dif_len = reg - aligned_addr;
400
43f66a6c 401 IPW_DEBUG_IO(" reg = 0x%8X : value = 0x%8X\n", reg, value);
c8fe6679
ZY		 402 _ipw_write32(priv, IPW_INDIRECT_ADDR, aligned_addr);
403 _ipw_write8(priv, IPW_INDIRECT_DATA + dif_len, value);
43f66a6c
JK		 404}
405
c8fe6679 406/* 16-bit indirect write (above 4K) */
0edd5b44 407static void _ipw_write_reg16(struct ipw_priv *priv, u32 reg, u16 value)
43f66a6c 408{
2638bc39 409 u32 aligned_addr = reg & IPW_INDIRECT_ADDR_MASK; /* dword align */
c8fe6679
ZY		 410 u32 dif_len = (reg - aligned_addr) & (~0x1ul);
411
43f66a6c 412 IPW_DEBUG_IO(" reg = 0x%8X : value = 0x%8X\n", reg, value);
c8fe6679
ZY		 413 _ipw_write32(priv, IPW_INDIRECT_ADDR, aligned_addr);
414 _ipw_write16(priv, IPW_INDIRECT_DATA + dif_len, value);
43f66a6c
JK		 415}
416
c8fe6679 417/* 8-bit indirect read (above 4K) */
43f66a6c
JK		 418static u8 _ipw_read_reg8(struct ipw_priv *priv, u32 reg)
419{
420 u32 word;
b095c381 421 _ipw_write32(priv, IPW_INDIRECT_ADDR, reg & IPW_INDIRECT_ADDR_MASK);
43f66a6c 422 IPW_DEBUG_IO(" reg = 0x%8X : \n", reg);
b095c381 423 word = _ipw_read32(priv, IPW_INDIRECT_DATA);
0edd5b44 424 return (word >> ((reg & 0x3) * 8)) & 0xff;
43f66a6c
JK		 425}
426
c8fe6679 427/* 32-bit indirect read (above 4K) */
43f66a6c
JK		 428static u32 _ipw_read_reg32(struct ipw_priv *priv, u32 reg)
429{
430 u32 value;
431
432 IPW_DEBUG_IO("%p : reg = 0x%08x\n", priv, reg);
433
b095c381
JK		 434 _ipw_write32(priv, IPW_INDIRECT_ADDR, reg);
435 value = _ipw_read32(priv, IPW_INDIRECT_DATA);
43f66a6c
JK		 436 IPW_DEBUG_IO(" reg = 0x%4X : value = 0x%4x \n", reg, value);
437 return value;
438}
439
c8fe6679
ZY		 440/* General purpose, no alignment requirement, iterative (multi-byte) read, */
441/* for area above 1st 4K of SRAM/reg space */
43f66a6c
JK		 442static void _ipw_read_indirect(struct ipw_priv *priv, u32 addr, u8 * buf,
443 int num)
444{
2638bc39 445 u32 aligned_addr = addr & IPW_INDIRECT_ADDR_MASK; /* dword align */
43f66a6c 446 u32 dif_len = addr - aligned_addr;
43f66a6c 447 u32 i;
bf79451e 448
43f66a6c
JK		 449 IPW_DEBUG_IO("addr = %i, buf = %p, num = %i\n", addr, buf, num);
450
ea2b26e0
JK		 451 if (num <= 0) {
452 return;
453 }
454
c8fe6679 455 /* Read the first dword (or portion) byte by byte */
43f66a6c 456 if (unlikely(dif_len)) {
b095c381 457 _ipw_write32(priv, IPW_INDIRECT_ADDR, aligned_addr);
43f66a6c 458 /* Start reading at aligned_addr + dif_len */
ea2b26e0 459 for (i = dif_len; ((i < 4) && (num > 0)); i++, num--)
b095c381 460 *buf++ = _ipw_read8(priv, IPW_INDIRECT_DATA + i);
43f66a6c
JK		 461 aligned_addr += 4;
462 }
463
c8fe6679 464 /* Read all of the middle dwords as dwords, with auto-increment */
b095c381 465 _ipw_write32(priv, IPW_AUTOINC_ADDR, aligned_addr);
ea2b26e0 466 for (; num >= 4; buf += 4, aligned_addr += 4, num -= 4)
b095c381 467 *(u32 *) buf = _ipw_read32(priv, IPW_AUTOINC_DATA);
bf79451e 468
c8fe6679 469 /* Read the last dword (or portion) byte by byte */
ea2b26e0 470 if (unlikely(num)) {
b095c381 471 _ipw_write32(priv, IPW_INDIRECT_ADDR, aligned_addr);
ea2b26e0 472 for (i = 0; num > 0; i++, num--)
b095c381 473 *buf++ = ipw_read8(priv, IPW_INDIRECT_DATA + i);
ea2b26e0 474 }
43f66a6c
JK		 475}
476
c8fe6679
ZY		 477/* General purpose, no alignment requirement, iterative (multi-byte) write, */
478/* for area above 1st 4K of SRAM/reg space */
0edd5b44 479static void _ipw_write_indirect(struct ipw_priv *priv, u32 addr, u8 * buf,
43f66a6c
JK		 480 int num)
481{
2638bc39 482 u32 aligned_addr = addr & IPW_INDIRECT_ADDR_MASK; /* dword align */
43f66a6c 483 u32 dif_len = addr - aligned_addr;
43f66a6c 484 u32 i;
bf79451e 485
43f66a6c 486 IPW_DEBUG_IO("addr = %i, buf = %p, num = %i\n", addr, buf, num);
bf79451e 487
ea2b26e0
JK		 488 if (num <= 0) {
489 return;
490 }
491
c8fe6679 492 /* Write the first dword (or portion) byte by byte */
43f66a6c 493 if (unlikely(dif_len)) {
b095c381 494 _ipw_write32(priv, IPW_INDIRECT_ADDR, aligned_addr);
c8fe6679 495 /* Start writing at aligned_addr + dif_len */
ea2b26e0 496 for (i = dif_len; ((i < 4) && (num > 0)); i++, num--, buf++)
b095c381 497 _ipw_write8(priv, IPW_INDIRECT_DATA + i, *buf);
43f66a6c
JK		 498 aligned_addr += 4;
499 }
bf79451e 500
c8fe6679 501 /* Write all of the middle dwords as dwords, with auto-increment */
b095c381 502 _ipw_write32(priv, IPW_AUTOINC_ADDR, aligned_addr);
ea2b26e0 503 for (; num >= 4; buf += 4, aligned_addr += 4, num -= 4)
b095c381 504 _ipw_write32(priv, IPW_AUTOINC_DATA, *(u32 *) buf);
bf79451e 505
c8fe6679 506 /* Write the last dword (or portion) byte by byte */
ea2b26e0 507 if (unlikely(num)) {
b095c381 508 _ipw_write32(priv, IPW_INDIRECT_ADDR, aligned_addr);
ea2b26e0 509 for (i = 0; num > 0; i++, num--, buf++)
b095c381 510 _ipw_write8(priv, IPW_INDIRECT_DATA + i, *buf);
ea2b26e0 511 }
43f66a6c
JK		 512}
513
c8fe6679
ZY		 514/* General purpose, no alignment requirement, iterative (multi-byte) write, */
515/* for 1st 4K of SRAM/regs space */
bf79451e 516static void ipw_write_direct(struct ipw_priv *priv, u32 addr, void *buf,
43f66a6c
JK		 517 int num)
518{
519 memcpy_toio((priv->hw_base + addr), buf, num);
520}
521
c8fe6679 522/* Set bit(s) in low 4K of SRAM/regs */
43f66a6c
JK		 523static inline void ipw_set_bit(struct ipw_priv *priv, u32 reg, u32 mask)
524{
525 ipw_write32(priv, reg, ipw_read32(priv, reg) | mask);
526}
527
c8fe6679 528/* Clear bit(s) in low 4K of SRAM/regs */
43f66a6c
JK		 529static inline void ipw_clear_bit(struct ipw_priv *priv, u32 reg, u32 mask)
530{
531 ipw_write32(priv, reg, ipw_read32(priv, reg) & ~mask);
532}
533
89c318ed 534static inline void __ipw_enable_interrupts(struct ipw_priv *priv)
43f66a6c
JK		 535{
536 if (priv->status & STATUS_INT_ENABLED)
537 return;
538 priv->status |= STATUS_INT_ENABLED;
b095c381 539 ipw_write32(priv, IPW_INTA_MASK_R, IPW_INTA_MASK_ALL);
43f66a6c
JK		 540}
541
89c318ed 542static inline void __ipw_disable_interrupts(struct ipw_priv *priv)
43f66a6c
JK		 543{
544 if (!(priv->status & STATUS_INT_ENABLED))
545 return;
546 priv->status &= ~STATUS_INT_ENABLED;
b095c381 547 ipw_write32(priv, IPW_INTA_MASK_R, ~IPW_INTA_MASK_ALL);
43f66a6c
JK		 548}
549
89c318ed
ZY		 550static inline void ipw_enable_interrupts(struct ipw_priv *priv)
551{
552 unsigned long flags;
553
554 spin_lock_irqsave(&priv->irq_lock, flags);
555 __ipw_enable_interrupts(priv);
556 spin_unlock_irqrestore(&priv->irq_lock, flags);
557}
558
559static inline void ipw_disable_interrupts(struct ipw_priv *priv)
560{
561 unsigned long flags;
562
563 spin_lock_irqsave(&priv->irq_lock, flags);
564 __ipw_disable_interrupts(priv);
565 spin_unlock_irqrestore(&priv->irq_lock, flags);
566}
567
43f66a6c
JK		 568static char *ipw_error_desc(u32 val)
569{
570 switch (val) {
bf79451e 571 case IPW_FW_ERROR_OK:
43f66a6c 572 return "ERROR_OK";
bf79451e 573 case IPW_FW_ERROR_FAIL:
43f66a6c 574 return "ERROR_FAIL";
bf79451e 575 case IPW_FW_ERROR_MEMORY_UNDERFLOW:
43f66a6c 576 return "MEMORY_UNDERFLOW";
bf79451e 577 case IPW_FW_ERROR_MEMORY_OVERFLOW:
43f66a6c 578 return "MEMORY_OVERFLOW";
bf79451e 579 case IPW_FW_ERROR_BAD_PARAM:
b095c381 580 return "BAD_PARAM";
bf79451e 581 case IPW_FW_ERROR_BAD_CHECKSUM:
b095c381 582 return "BAD_CHECKSUM";
bf79451e 583 case IPW_FW_ERROR_NMI_INTERRUPT:
b095c381 584 return "NMI_INTERRUPT";
bf79451e 585 case IPW_FW_ERROR_BAD_DATABASE:
b095c381 586 return "BAD_DATABASE";
bf79451e 587 case IPW_FW_ERROR_ALLOC_FAIL:
b095c381 588 return "ALLOC_FAIL";
bf79451e 589 case IPW_FW_ERROR_DMA_UNDERRUN:
b095c381 590 return "DMA_UNDERRUN";
bf79451e 591 case IPW_FW_ERROR_DMA_STATUS:
b095c381
JK		 592 return "DMA_STATUS";
593 case IPW_FW_ERROR_DINO_ERROR:
594 return "DINO_ERROR";
595 case IPW_FW_ERROR_EEPROM_ERROR:
596 return "EEPROM_ERROR";
bf79451e 597 case IPW_FW_ERROR_SYSASSERT:
b095c381 598 return "SYSASSERT";
bf79451e 599 case IPW_FW_ERROR_FATAL_ERROR:
b095c381 600 return "FATAL_ERROR";
bf79451e 601 default:
b095c381 602 return "UNKNOWN_ERROR";
43f66a6c
JK		 603 }
604}
605
b39860c6
JK		 606static void ipw_dump_error_log(struct ipw_priv *priv,
607 struct ipw_fw_error *error)
43f66a6c 608{
b39860c6 609 u32 i;
bf79451e 610
b39860c6
JK		 611 if (!error) {
612 IPW_ERROR("Error allocating and capturing error log. "
613 "Nothing to dump.\n");
614 return;
43f66a6c
JK		 615 }
616
b39860c6
JK		 617 IPW_ERROR("Start IPW Error Log Dump:\n");
618 IPW_ERROR("Status: 0x%08X, Config: %08X\n",
619 error->status, error->config);
43f66a6c 620
b39860c6 621 for (i = 0; i < error->elem_len; i++)
0edd5b44 622 IPW_ERROR("%s %i 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
b39860c6
JK		 623 ipw_error_desc(error->elem[i].desc),
624 error->elem[i].time,
625 error->elem[i].blink1,
626 error->elem[i].blink2,
627 error->elem[i].link1,
628 error->elem[i].link2, error->elem[i].data);
629 for (i = 0; i < error->log_len; i++)
630 IPW_ERROR("%i\t0x%08x\t%i\n",
631 error->log[i].time,
286568ab 632 error->log[i].data, error->log[i].event);
43f66a6c
JK		 633}
634
c848d0af 635static inline int ipw_is_init(struct ipw_priv *priv)
43f66a6c 636{
c848d0af 637 return (priv->status & STATUS_INIT) ? 1 : 0;
43f66a6c
JK		 638}
639
0edd5b44 640static int ipw_get_ordinal(struct ipw_priv *priv, u32 ord, void *val, u32 * len)
43f66a6c
JK		 641{
642 u32 addr, field_info, field_len, field_count, total_len;
643
644 IPW_DEBUG_ORD("ordinal = %i\n", ord);
645
646 if (!priv || !val || !len) {
647 IPW_DEBUG_ORD("Invalid argument\n");
648 return -EINVAL;
649 }
bf79451e 650
43f66a6c
JK		 651 /* verify device ordinal tables have been initialized */
652 if (!priv->table0_addr || !priv->table1_addr || !priv->table2_addr) {
653 IPW_DEBUG_ORD("Access ordinals before initialization\n");
654 return -EINVAL;
655 }
656
657 switch (IPW_ORD_TABLE_ID_MASK & ord) {
658 case IPW_ORD_TABLE_0_MASK:
659 /*
660 * TABLE 0: Direct access to a table of 32 bit values
661 *
bf79451e 662 * This is a very simple table with the data directly
43f66a6c
JK		 663 * read from the table
664 */
665
666 /* remove the table id from the ordinal */
667 ord &= IPW_ORD_TABLE_VALUE_MASK;
668
669 /* boundary check */
670 if (ord > priv->table0_len) {
671 IPW_DEBUG_ORD("ordinal value (%i) longer then "
672 "max (%i)\n", ord, priv->table0_len);
673 return -EINVAL;
674 }
675
676 /* verify we have enough room to store the value */
677 if (*len < sizeof(u32)) {
678 IPW_DEBUG_ORD("ordinal buffer length too small, "
aaa4d308 679 "need %zd\n", sizeof(u32));
43f66a6c
JK		 680 return -EINVAL;
681 }
682
683 IPW_DEBUG_ORD("Reading TABLE0[%i] from offset 0x%08x\n",
0edd5b44 684 ord, priv->table0_addr + (ord << 2));
43f66a6c
JK		 685
686 *len = sizeof(u32);
687 ord <<= 2;
0edd5b44 688 *((u32 *) val) = ipw_read32(priv, priv->table0_addr + ord);
43f66a6c
JK		 689 break;
690
691 case IPW_ORD_TABLE_1_MASK:
692 /*
693 * TABLE 1: Indirect access to a table of 32 bit values
bf79451e
JG		 694 *
695 * This is a fairly large table of u32 values each
43f66a6c
JK		 696 * representing starting addr for the data (which is
697 * also a u32)
698 */
699
700 /* remove the table id from the ordinal */
701 ord &= IPW_ORD_TABLE_VALUE_MASK;
bf79451e 702
43f66a6c
JK		 703 /* boundary check */
704 if (ord > priv->table1_len) {
705 IPW_DEBUG_ORD("ordinal value too long\n");
706 return -EINVAL;
707 }
708
709 /* verify we have enough room to store the value */
710 if (*len < sizeof(u32)) {
711 IPW_DEBUG_ORD("ordinal buffer length too small, "
aaa4d308 712 "need %zd\n", sizeof(u32));
43f66a6c
JK		 713 return -EINVAL;
714 }
715
0edd5b44
JG		 716 *((u32 *) val) =
717 ipw_read_reg32(priv, (priv->table1_addr + (ord << 2)));
43f66a6c
JK		 718 *len = sizeof(u32);
719 break;
720
721 case IPW_ORD_TABLE_2_MASK:
722 /*
723 * TABLE 2: Indirect access to a table of variable sized values
724 *
725 * This table consist of six values, each containing
726 * - dword containing the starting offset of the data
727 * - dword containing the lengh in the first 16bits
728 * and the count in the second 16bits
729 */
730
731 /* remove the table id from the ordinal */
732 ord &= IPW_ORD_TABLE_VALUE_MASK;
733
734 /* boundary check */
735 if (ord > priv->table2_len) {
736 IPW_DEBUG_ORD("ordinal value too long\n");
737 return -EINVAL;
738 }
739
740 /* get the address of statistic */
741 addr = ipw_read_reg32(priv, priv->table2_addr + (ord << 3));
bf79451e
JG		 742
743 /* get the second DW of statistics ;
43f66a6c 744 * two 16-bit words - first is length, second is count */
0edd5b44
JG		 745 field_info =
746 ipw_read_reg32(priv,
747 priv->table2_addr + (ord << 3) +
748 sizeof(u32));
bf79451e 749
43f66a6c 750 /* get each entry length */
0edd5b44 751 field_len = *((u16 *) & field_info);
bf79451e 752
43f66a6c 753 /* get number of entries */
0edd5b44 754 field_count = *(((u16 *) & field_info) + 1);
bf79451e 755
43f66a6c
JK		 756 /* abort if not enought memory */
757 total_len = field_len * field_count;
758 if (total_len > *len) {
759 *len = total_len;
760 return -EINVAL;
761 }
bf79451e 762
43f66a6c
JK		 763 *len = total_len;
764 if (!total_len)
765 return 0;
766
767 IPW_DEBUG_ORD("addr = 0x%08x, total_len = %i, "
bf79451e 768 "field_info = 0x%08x\n",
43f66a6c
JK		 769 addr, total_len, field_info);
770 ipw_read_indirect(priv, addr, val, total_len);
771 break;
772
773 default:
774 IPW_DEBUG_ORD("Invalid ordinal!\n");
775 return -EINVAL;
776
777 }
778
43f66a6c
JK		 779 return 0;
780}
781
782static void ipw_init_ordinals(struct ipw_priv *priv)
783{
784 priv->table0_addr = IPW_ORDINALS_TABLE_LOWER;
bf79451e 785 priv->table0_len = ipw_read32(priv, priv->table0_addr);
43f66a6c
JK		 786
787 IPW_DEBUG_ORD("table 0 offset at 0x%08x, len = %i\n",
788 priv->table0_addr, priv->table0_len);
789
790 priv->table1_addr = ipw_read32(priv, IPW_ORDINALS_TABLE_1);
791 priv->table1_len = ipw_read_reg32(priv, priv->table1_addr);
792
793 IPW_DEBUG_ORD("table 1 offset at 0x%08x, len = %i\n",
794 priv->table1_addr, priv->table1_len);
795
796 priv->table2_addr = ipw_read32(priv, IPW_ORDINALS_TABLE_2);
797 priv->table2_len = ipw_read_reg32(priv, priv->table2_addr);
0edd5b44 798 priv->table2_len &= 0x0000ffff; /* use first two bytes */
43f66a6c
JK		 799
800 IPW_DEBUG_ORD("table 2 offset at 0x%08x, len = %i\n",
801 priv->table2_addr, priv->table2_len);
802
803}
804
a73e22b2 805static u32 ipw_register_toggle(u32 reg)
a613bffd 806{
b095c381
JK		 807 reg &= ~IPW_START_STANDBY;
808 if (reg & IPW_GATE_ODMA)
809 reg &= ~IPW_GATE_ODMA;
810 if (reg & IPW_GATE_IDMA)
811 reg &= ~IPW_GATE_IDMA;
812 if (reg & IPW_GATE_ADMA)
813 reg &= ~IPW_GATE_ADMA;
a613bffd
JK		 814 return reg;
815}
816
817/*
818 * LED behavior:
819 * - On radio ON, turn on any LEDs that require to be on during start
820 * - On initialization, start unassociated blink
821 * - On association, disable unassociated blink
822 * - On disassociation, start unassociated blink
823 * - On radio OFF, turn off any LEDs started during radio on
824 *
825 */
ede6111c
ZY		 826#define LD_TIME_LINK_ON msecs_to_jiffies(300)
827#define LD_TIME_LINK_OFF msecs_to_jiffies(2700)
828#define LD_TIME_ACT_ON msecs_to_jiffies(250)
a613bffd 829
a73e22b2 830static void ipw_led_link_on(struct ipw_priv *priv)
a613bffd
JK		 831{
832 unsigned long flags;
833 u32 led;
834
835 /* If configured to not use LEDs, or nic_type is 1,
836 * then we don't toggle a LINK led */
837 if (priv->config & CFG_NO_LED || priv->nic_type == EEPROM_NIC_TYPE_1)
838 return;
839
840 spin_lock_irqsave(&priv->lock, flags);
841
842 if (!(priv->status & STATUS_RF_KILL_MASK) &&
843 !(priv->status & STATUS_LED_LINK_ON)) {
844 IPW_DEBUG_LED("Link LED On\n");
b095c381 845 led = ipw_read_reg32(priv, IPW_EVENT_REG);
a613bffd
JK		 846 led |= priv->led_association_on;
847
848 led = ipw_register_toggle(led);
849
850 IPW_DEBUG_LED("Reg: 0x%08X\n", led);
b095c381 851 ipw_write_reg32(priv, IPW_EVENT_REG, led);
a613bffd
JK		 852
853 priv->status |= STATUS_LED_LINK_ON;
854
855 /* If we aren't associated, schedule turning the LED off */
856 if (!(priv->status & STATUS_ASSOCIATED))
857 queue_delayed_work(priv->workqueue,
858 &priv->led_link_off,
859 LD_TIME_LINK_ON);
860 }
861
862 spin_unlock_irqrestore(&priv->lock, flags);
863}
864
c4028958 865static void ipw_bg_led_link_on(struct work_struct *work)
c848d0af 866{
c4028958
DH		 867 struct ipw_priv *priv =
868 container_of(work, struct ipw_priv, led_link_on.work);
4644151b 869 mutex_lock(&priv->mutex);
c4028958 870 ipw_led_link_on(priv);
4644151b 871 mutex_unlock(&priv->mutex);
c848d0af
JK		 872}
873
a73e22b2 874static void ipw_led_link_off(struct ipw_priv *priv)
a613bffd
JK		 875{
876 unsigned long flags;
877 u32 led;
878
879 /* If configured not to use LEDs, or nic type is 1,
880 * then we don't goggle the LINK led. */
881 if (priv->config & CFG_NO_LED || priv->nic_type == EEPROM_NIC_TYPE_1)
882 return;
883
884 spin_lock_irqsave(&priv->lock, flags);
885
886 if (priv->status & STATUS_LED_LINK_ON) {
b095c381 887 led = ipw_read_reg32(priv, IPW_EVENT_REG);
a613bffd
JK		 888 led &= priv->led_association_off;
889 led = ipw_register_toggle(led);
890
891 IPW_DEBUG_LED("Reg: 0x%08X\n", led);
b095c381 892 ipw_write_reg32(priv, IPW_EVENT_REG, led);
a613bffd
JK		 893
894 IPW_DEBUG_LED("Link LED Off\n");
895
896 priv->status &= ~STATUS_LED_LINK_ON;
897
898 /* If we aren't associated and the radio is on, schedule
899 * turning the LED on (blink while unassociated) */
900 if (!(priv->status & STATUS_RF_KILL_MASK) &&
901 !(priv->status & STATUS_ASSOCIATED))
902 queue_delayed_work(priv->workqueue, &priv->led_link_on,
903 LD_TIME_LINK_OFF);
904
905 }
906
907 spin_unlock_irqrestore(&priv->lock, flags);
908}
909
c4028958 910static void ipw_bg_led_link_off(struct work_struct *work)
c848d0af 911{
c4028958
DH		 912 struct ipw_priv *priv =
913 container_of(work, struct ipw_priv, led_link_off.work);
4644151b 914 mutex_lock(&priv->mutex);
c4028958 915 ipw_led_link_off(priv);
4644151b 916 mutex_unlock(&priv->mutex);
c848d0af
JK		 917}
918
858119e1 919static void __ipw_led_activity_on(struct ipw_priv *priv)
a613bffd 920{
a613bffd
JK		 921 u32 led;
922
923 if (priv->config & CFG_NO_LED)
924 return;
925
b095c381 926 if (priv->status & STATUS_RF_KILL_MASK)
a613bffd 927 return;
a613bffd
JK		 928
929 if (!(priv->status & STATUS_LED_ACT_ON)) {
b095c381 930 led = ipw_read_reg32(priv, IPW_EVENT_REG);
a613bffd
JK		 931 led |= priv->led_activity_on;
932
933 led = ipw_register_toggle(led);
934
935 IPW_DEBUG_LED("Reg: 0x%08X\n", led);
b095c381 936 ipw_write_reg32(priv, IPW_EVENT_REG, led);
a613bffd
JK		 937
938 IPW_DEBUG_LED("Activity LED On\n");
939
940 priv->status |= STATUS_LED_ACT_ON;
941
c848d0af 942 cancel_delayed_work(&priv->led_act_off);
a613bffd
JK		 943 queue_delayed_work(priv->workqueue, &priv->led_act_off,
944 LD_TIME_ACT_ON);
945 } else {
946 /* Reschedule LED off for full time period */
947 cancel_delayed_work(&priv->led_act_off);
948 queue_delayed_work(priv->workqueue, &priv->led_act_off,
949 LD_TIME_ACT_ON);
950 }
b095c381 951}
a613bffd 952
a73e22b2 953#if 0
b095c381
JK		 954void ipw_led_activity_on(struct ipw_priv *priv)
955{
956 unsigned long flags;
957 spin_lock_irqsave(&priv->lock, flags);
958 __ipw_led_activity_on(priv);
a613bffd
JK		 959 spin_unlock_irqrestore(&priv->lock, flags);
960}
a73e22b2 961#endif /* 0 */
a613bffd 962
a73e22b2 963static void ipw_led_activity_off(struct ipw_priv *priv)
a613bffd
JK		 964{
965 unsigned long flags;
966 u32 led;
967
968 if (priv->config & CFG_NO_LED)
969 return;
970
971 spin_lock_irqsave(&priv->lock, flags);
972
973 if (priv->status & STATUS_LED_ACT_ON) {
b095c381 974 led = ipw_read_reg32(priv, IPW_EVENT_REG);
a613bffd
JK		 975 led &= priv->led_activity_off;
976
977 led = ipw_register_toggle(led);
978
979 IPW_DEBUG_LED("Reg: 0x%08X\n", led);
b095c381 980 ipw_write_reg32(priv, IPW_EVENT_REG, led);
a613bffd
JK		 981
982 IPW_DEBUG_LED("Activity LED Off\n");
983
984 priv->status &= ~STATUS_LED_ACT_ON;
985 }
986
987 spin_unlock_irqrestore(&priv->lock, flags);
988}
989
c4028958 990static void ipw_bg_led_activity_off(struct work_struct *work)
c848d0af 991{
c4028958
DH		 992 struct ipw_priv *priv =
993 container_of(work, struct ipw_priv, led_act_off.work);
4644151b 994 mutex_lock(&priv->mutex);
c4028958 995 ipw_led_activity_off(priv);
4644151b 996 mutex_unlock(&priv->mutex);
c848d0af
JK		 997}
998
a73e22b2 999static void ipw_led_band_on(struct ipw_priv *priv)
a613bffd
JK		 1000{
1001 unsigned long flags;
1002 u32 led;
1003
1004 /* Only nic type 1 supports mode LEDs */
c848d0af
JK		 1005 if (priv->config & CFG_NO_LED ||
1006 priv->nic_type != EEPROM_NIC_TYPE_1 || !priv->assoc_network)
a613bffd
JK		 1007 return;
1008
1009 spin_lock_irqsave(&priv->lock, flags);
1010
b095c381 1011 led = ipw_read_reg32(priv, IPW_EVENT_REG);
a613bffd
JK		 1012 if (priv->assoc_network->mode == IEEE_A) {
1013 led |= priv->led_ofdm_on;
1014 led &= priv->led_association_off;
1015 IPW_DEBUG_LED("Mode LED On: 802.11a\n");
1016 } else if (priv->assoc_network->mode == IEEE_G) {
1017 led |= priv->led_ofdm_on;
1018 led |= priv->led_association_on;
1019 IPW_DEBUG_LED("Mode LED On: 802.11g\n");
1020 } else {
1021 led &= priv->led_ofdm_off;
1022 led |= priv->led_association_on;
1023 IPW_DEBUG_LED("Mode LED On: 802.11b\n");
1024 }
1025
1026 led = ipw_register_toggle(led);
1027
1028 IPW_DEBUG_LED("Reg: 0x%08X\n", led);
b095c381 1029 ipw_write_reg32(priv, IPW_EVENT_REG, led);
a613bffd
JK		 1030
1031 spin_unlock_irqrestore(&priv->lock, flags);
1032}
1033
a73e22b2 1034static void ipw_led_band_off(struct ipw_priv *priv)
a613bffd
JK		 1035{
1036 unsigned long flags;
1037 u32 led;
1038
1039 /* Only nic type 1 supports mode LEDs */
1040 if (priv->config & CFG_NO_LED || priv->nic_type != EEPROM_NIC_TYPE_1)
1041 return;
1042
1043 spin_lock_irqsave(&priv->lock, flags);
1044
b095c381 1045 led = ipw_read_reg32(priv, IPW_EVENT_REG);
a613bffd
JK		 1046 led &= priv->led_ofdm_off;
1047 led &= priv->led_association_off;
1048
1049 led = ipw_register_toggle(led);
1050
1051 IPW_DEBUG_LED("Reg: 0x%08X\n", led);
b095c381 1052 ipw_write_reg32(priv, IPW_EVENT_REG, led);
a613bffd
JK		 1053
1054 spin_unlock_irqrestore(&priv->lock, flags);
1055}
1056
a73e22b2 1057static void ipw_led_radio_on(struct ipw_priv *priv)
a613bffd
JK		 1058{
1059 ipw_led_link_on(priv);
1060}
1061
a73e22b2 1062static void ipw_led_radio_off(struct ipw_priv *priv)
a613bffd
JK		 1063{
1064 ipw_led_activity_off(priv);
1065 ipw_led_link_off(priv);
1066}
1067
a73e22b2 1068static void ipw_led_link_up(struct ipw_priv *priv)
a613bffd
JK		 1069{
1070 /* Set the Link Led on for all nic types */
1071 ipw_led_link_on(priv);
1072}
1073
a73e22b2 1074static void ipw_led_link_down(struct ipw_priv *priv)
a613bffd
JK		 1075{
1076 ipw_led_activity_off(priv);
1077 ipw_led_link_off(priv);
1078
1079 if (priv->status & STATUS_RF_KILL_MASK)
1080 ipw_led_radio_off(priv);
1081}
1082
a73e22b2 1083static void ipw_led_init(struct ipw_priv *priv)
a613bffd
JK		 1084{
1085 priv->nic_type = priv->eeprom[EEPROM_NIC_TYPE];
1086
1087 /* Set the default PINs for the link and activity leds */
b095c381
JK		 1088 priv->led_activity_on = IPW_ACTIVITY_LED;
1089 priv->led_activity_off = ~(IPW_ACTIVITY_LED);
a613bffd 1090
b095c381
JK		 1091 priv->led_association_on = IPW_ASSOCIATED_LED;
1092 priv->led_association_off = ~(IPW_ASSOCIATED_LED);
a613bffd
JK		 1093
1094 /* Set the default PINs for the OFDM leds */
b095c381
JK		 1095 priv->led_ofdm_on = IPW_OFDM_LED;
1096 priv->led_ofdm_off = ~(IPW_OFDM_LED);
a613bffd
JK		 1097
1098 switch (priv->nic_type) {
1099 case EEPROM_NIC_TYPE_1:
1100 /* In this NIC type, the LEDs are reversed.... */
b095c381
JK		 1101 priv->led_activity_on = IPW_ASSOCIATED_LED;
1102 priv->led_activity_off = ~(IPW_ASSOCIATED_LED);
1103 priv->led_association_on = IPW_ACTIVITY_LED;
1104 priv->led_association_off = ~(IPW_ACTIVITY_LED);
a613bffd
JK		 1105
1106 if (!(priv->config & CFG_NO_LED))
1107 ipw_led_band_on(priv);
1108
1109 /* And we don't blink link LEDs for this nic, so
1110 * just return here */
1111 return;
1112
1113 case EEPROM_NIC_TYPE_3:
1114 case EEPROM_NIC_TYPE_2:
1115 case EEPROM_NIC_TYPE_4:
1116 case EEPROM_NIC_TYPE_0:
1117 break;
1118
1119 default:
1120 IPW_DEBUG_INFO("Unknown NIC type from EEPROM: %d\n",
1121 priv->nic_type);
1122 priv->nic_type = EEPROM_NIC_TYPE_0;
1123 break;
1124 }
1125
1126 if (!(priv->config & CFG_NO_LED)) {
1127 if (priv->status & STATUS_ASSOCIATED)
1128 ipw_led_link_on(priv);
1129 else
1130 ipw_led_link_off(priv);
1131 }
1132}
1133
a73e22b2 1134static void ipw_led_shutdown(struct ipw_priv *priv)
a613bffd 1135{
a613bffd
JK		 1136 ipw_led_activity_off(priv);
1137 ipw_led_link_off(priv);
1138 ipw_led_band_off(priv);
afbf30a2
JK		 1139 cancel_delayed_work(&priv->led_link_on);
1140 cancel_delayed_work(&priv->led_link_off);
1141 cancel_delayed_work(&priv->led_act_off);
a613bffd
JK		 1142}
1143
43f66a6c
JK		 1144/*
1145 * The following adds a new attribute to the sysfs representation
1146 * of this device driver (i.e. a new file in /sys/bus/pci/drivers/ipw/)
1147 * used for controling the debug level.
bf79451e 1148 *
43f66a6c
JK		 1149 * See the level definitions in ipw for details.
1150 */
1151static ssize_t show_debug_level(struct device_driver *d, char *buf)
1152{
1153 return sprintf(buf, "0x%08X\n", ipw_debug_level);
1154}
a613bffd
JK		 1155
1156static ssize_t store_debug_level(struct device_driver *d, const char *buf,
1157 size_t count)
43f66a6c
JK		 1158{
1159 char *p = (char *)buf;
1160 u32 val;
1161
1162 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
1163 p++;
1164 if (p[0] == 'x' || p[0] == 'X')
1165 p++;
1166 val = simple_strtoul(p, &p, 16);
1167 } else
1168 val = simple_strtoul(p, &p, 10);
bf79451e
JG		 1169 if (p == buf)
1170 printk(KERN_INFO DRV_NAME
43f66a6c
JK		 1171 ": %s is not in hex or decimal form.\n", buf);
1172 else
1173 ipw_debug_level = val;
1174
1175 return strnlen(buf, count);
1176}
1177
bf79451e 1178static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO,
43f66a6c
JK		 1179 show_debug_level, store_debug_level);
1180
b39860c6 1181static inline u32 ipw_get_event_log_len(struct ipw_priv *priv)
43f66a6c 1182{
c8fe6679 1183 /* length = 1st dword in log */
b39860c6 1184 return ipw_read_reg32(priv, ipw_read32(priv, IPW_EVENT_LOG));
43f66a6c 1185}
0edd5b44 1186
b39860c6
JK		 1187static void ipw_capture_event_log(struct ipw_priv *priv,
1188 u32 log_len, struct ipw_event *log)
43f66a6c 1189{
b39860c6 1190 u32 base;
0edd5b44 1191
b39860c6
JK		 1192 if (log_len) {
1193 base = ipw_read32(priv, IPW_EVENT_LOG);
1194 ipw_read_indirect(priv, base + sizeof(base) + sizeof(u32),
1195 (u8 *) log, sizeof(*log) * log_len);
1196 }
1197}
43f66a6c 1198
b39860c6 1199static struct ipw_fw_error *ipw_alloc_error_log(struct ipw_priv *priv)
43f66a6c 1200{
b39860c6
JK		 1201 struct ipw_fw_error *error;
1202 u32 log_len = ipw_get_event_log_len(priv);
1203 u32 base = ipw_read32(priv, IPW_ERROR_LOG);
1204 u32 elem_len = ipw_read_reg32(priv, base);
43f66a6c 1205
b39860c6
JK		 1206 error = kmalloc(sizeof(*error) +
1207 sizeof(*error->elem) * elem_len +
1208 sizeof(*error->log) * log_len, GFP_ATOMIC);
1209 if (!error) {
1210 IPW_ERROR("Memory allocation for firmware error log "
1211 "failed.\n");
1212 return NULL;
43f66a6c 1213 }
f6c5cb7c 1214 error->jiffies = jiffies;
b39860c6
JK		 1215 error->status = priv->status;
1216 error->config = priv->config;
1217 error->elem_len = elem_len;
1218 error->log_len = log_len;
1219 error->elem = (struct ipw_error_elem *)error->payload;
3b26b110 1220 error->log = (struct ipw_event *)(error->elem + elem_len);
b39860c6
JK		 1221
1222 ipw_capture_event_log(priv, log_len, error->log);
bf79451e 1223
b39860c6
JK		 1224 if (elem_len)
1225 ipw_read_indirect(priv, base + sizeof(base), (u8 *) error->elem,
1226 sizeof(*error->elem) * elem_len);
1227
1228 return error;
43f66a6c 1229}
0edd5b44 1230
b39860c6
JK		 1231static ssize_t show_event_log(struct device *d,
1232 struct device_attribute *attr, char *buf)
43f66a6c 1233{
b39860c6
JK		 1234 struct ipw_priv *priv = dev_get_drvdata(d);
1235 u32 log_len = ipw_get_event_log_len(priv);
412e9e78
RC		 1236 u32 log_size;
1237 struct ipw_event *log;
b39860c6 1238 u32 len = 0, i;
43f66a6c 1239
412e9e78
RC		 1240 /* not using min() because of its strict type checking */
1241 log_size = PAGE_SIZE / sizeof(*log) > log_len ?
1242 sizeof(*log) * log_len : PAGE_SIZE;
1243 log = kzalloc(log_size, GFP_KERNEL);
1244 if (!log) {
1245 IPW_ERROR("Unable to allocate memory for log\n");
1246 return 0;
1247 }
1248 log_len = log_size / sizeof(*log);
b39860c6 1249 ipw_capture_event_log(priv, log_len, log);
43f66a6c 1250
b39860c6
JK		 1251 len += snprintf(buf + len, PAGE_SIZE - len, "%08X", log_len);
1252 for (i = 0; i < log_len; i++)
1253 len += snprintf(buf + len, PAGE_SIZE - len,
1254 "\n%08X%08X%08X",
1255 log[i].time, log[i].event, log[i].data);
1256 len += snprintf(buf + len, PAGE_SIZE - len, "\n");
412e9e78 1257 kfree(log);
b39860c6 1258 return len;
43f66a6c 1259}
0edd5b44 1260
b39860c6 1261static DEVICE_ATTR(event_log, S_IRUGO, show_event_log, NULL);
43f66a6c 1262
b39860c6
JK		 1263static ssize_t show_error(struct device *d,
1264 struct device_attribute *attr, char *buf)
43f66a6c 1265{
b39860c6
JK		 1266 struct ipw_priv *priv = dev_get_drvdata(d);
1267 u32 len = 0, i;
1268 if (!priv->error)
1269 return 0;
1270 len += snprintf(buf + len, PAGE_SIZE - len,
f6c5cb7c
JK		 1271 "%08lX%08X%08X%08X",
1272 priv->error->jiffies,
b39860c6
JK		 1273 priv->error->status,
1274 priv->error->config, priv->error->elem_len);
1275 for (i = 0; i < priv->error->elem_len; i++)
1276 len += snprintf(buf + len, PAGE_SIZE - len,
1277 "\n%08X%08X%08X%08X%08X%08X%08X",
1278 priv->error->elem[i].time,
1279 priv->error->elem[i].desc,
1280 priv->error->elem[i].blink1,
1281 priv->error->elem[i].blink2,
1282 priv->error->elem[i].link1,
1283 priv->error->elem[i].link2,
1284 priv->error->elem[i].data);
1285
1286 len += snprintf(buf + len, PAGE_SIZE - len,
1287 "\n%08X", priv->error->log_len);
1288 for (i = 0; i < priv->error->log_len; i++)
1289 len += snprintf(buf + len, PAGE_SIZE - len,
1290 "\n%08X%08X%08X",
1291 priv->error->log[i].time,
1292 priv->error->log[i].event,
1293 priv->error->log[i].data);
1294 len += snprintf(buf + len, PAGE_SIZE - len, "\n");
1295 return len;
1296}
1297
1298static ssize_t clear_error(struct device *d,
1299 struct device_attribute *attr,
1300 const char *buf, size_t count)
1301{
1302 struct ipw_priv *priv = dev_get_drvdata(d);
8f760780
JJ		 1303
1304 kfree(priv->error);
1305 priv->error = NULL;
b39860c6
JK		 1306 return count;
1307}
43f66a6c 1308
b39860c6 1309static DEVICE_ATTR(error, S_IRUGO | S_IWUSR, show_error, clear_error);
43f66a6c 1310
f6c5cb7c
JK		 1311static ssize_t show_cmd_log(struct device *d,
1312 struct device_attribute *attr, char *buf)
1313{
1314 struct ipw_priv *priv = dev_get_drvdata(d);
1315 u32 len = 0, i;
1316 if (!priv->cmdlog)
1317 return 0;
1318 for (i = (priv->cmdlog_pos + 1) % priv->cmdlog_len;
1319 (i != priv->cmdlog_pos) && (PAGE_SIZE - len);
1320 i = (i + 1) % priv->cmdlog_len) {
1321 len +=
1322 snprintf(buf + len, PAGE_SIZE - len,
1323 "\n%08lX%08X%08X%08X\n", priv->cmdlog[i].jiffies,
1324 priv->cmdlog[i].retcode, priv->cmdlog[i].cmd.cmd,
1325 priv->cmdlog[i].cmd.len);
1326 len +=
1327 snprintk_buf(buf + len, PAGE_SIZE - len,
1328 (u8 *) priv->cmdlog[i].cmd.param,
1329 priv->cmdlog[i].cmd.len);
1330 len += snprintf(buf + len, PAGE_SIZE - len, "\n");
1331 }
1332 len += snprintf(buf + len, PAGE_SIZE - len, "\n");
1333 return len;
43f66a6c 1334}
0edd5b44 1335
f6c5cb7c 1336static DEVICE_ATTR(cmd_log, S_IRUGO, show_cmd_log, NULL);
43f66a6c 1337
d685b8c2
ZY		 1338#ifdef CONFIG_IPW2200_PROMISCUOUS
1339static void ipw_prom_free(struct ipw_priv *priv);
1340static int ipw_prom_alloc(struct ipw_priv *priv);
1341static ssize_t store_rtap_iface(struct device *d,
1342 struct device_attribute *attr,
1343 const char *buf, size_t count)
1344{
1345 struct ipw_priv *priv = dev_get_drvdata(d);
1346 int rc = 0;
1347
1348 if (count < 1)
1349 return -EINVAL;
1350
1351 switch (buf[0]) {
1352 case '0':
1353 if (!rtap_iface)
1354 return count;
1355
1356 if (netif_running(priv->prom_net_dev)) {
1357 IPW_WARNING("Interface is up. Cannot unregister.\n");
1358 return count;
1359 }
1360
1361 ipw_prom_free(priv);
1362 rtap_iface = 0;
1363 break;
1364
1365 case '1':
1366 if (rtap_iface)
1367 return count;
1368
1369 rc = ipw_prom_alloc(priv);
1370 if (!rc)
1371 rtap_iface = 1;
1372 break;
1373
1374 default:
1375 return -EINVAL;
1376 }
1377
1378 if (rc) {
1379 IPW_ERROR("Failed to register promiscuous network "
1380 "device (error %d).\n", rc);
1381 }
1382
1383 return count;
1384}
1385
1386static ssize_t show_rtap_iface(struct device *d,
1387 struct device_attribute *attr,
1388 char *buf)
1389{
1390 struct ipw_priv *priv = dev_get_drvdata(d);
1391 if (rtap_iface)
1392 return sprintf(buf, "%s", priv->prom_net_dev->name);
1393 else {
1394 buf[0] = '-';
1395 buf[1] = '1';
1396 buf[2] = '\0';
1397 return 3;
1398 }
1399}
1400
1401static DEVICE_ATTR(rtap_iface, S_IWUSR | S_IRUSR, show_rtap_iface,
1402 store_rtap_iface);
1403
1404static ssize_t store_rtap_filter(struct device *d,
1405 struct device_attribute *attr,
1406 const char *buf, size_t count)
1407{
1408 struct ipw_priv *priv = dev_get_drvdata(d);
1409
1410 if (!priv->prom_priv) {
1411 IPW_ERROR("Attempting to set filter without "
1412 "rtap_iface enabled.\n");
1413 return -EPERM;
1414 }
1415
1416 priv->prom_priv->filter = simple_strtol(buf, NULL, 0);
1417
1418 IPW_DEBUG_INFO("Setting rtap filter to " BIT_FMT16 "\n",
1419 BIT_ARG16(priv->prom_priv->filter));
1420
1421 return count;
1422}
1423
1424static ssize_t show_rtap_filter(struct device *d,
1425 struct device_attribute *attr,
1426 char *buf)
1427{
1428 struct ipw_priv *priv = dev_get_drvdata(d);
1429 return sprintf(buf, "0x%04X",
1430 priv->prom_priv ? priv->prom_priv->filter : 0);
1431}
1432
1433static DEVICE_ATTR(rtap_filter, S_IWUSR | S_IRUSR, show_rtap_filter,
1434 store_rtap_filter);
1435#endif
1436
a613bffd
JK		 1437static ssize_t show_scan_age(struct device *d, struct device_attribute *attr,
1438 char *buf)
43f66a6c 1439{
a613bffd
JK		 1440 struct ipw_priv *priv = dev_get_drvdata(d);
1441 return sprintf(buf, "%d\n", priv->ieee->scan_age);
1442}
1443
1444static ssize_t store_scan_age(struct device *d, struct device_attribute *attr,
1445 const char *buf, size_t count)
1446{
1447 struct ipw_priv *priv = dev_get_drvdata(d);
1448 struct net_device *dev = priv->net_dev;
1449 char buffer[] = "00000000";
1450 unsigned long len =
1451 (sizeof(buffer) - 1) > count ? count : sizeof(buffer) - 1;
1452 unsigned long val;
1453 char *p = buffer;
1454
1455 IPW_DEBUG_INFO("enter\n");
1456
1457 strncpy(buffer, buf, len);
1458 buffer[len] = 0;
1459
1460 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
1461 p++;
1462 if (p[0] == 'x' || p[0] == 'X')
1463 p++;
1464 val = simple_strtoul(p, &p, 16);
1465 } else
1466 val = simple_strtoul(p, &p, 10);
1467 if (p == buffer) {
1468 IPW_DEBUG_INFO("%s: user supplied invalid value.\n", dev->name);
1469 } else {
1470 priv->ieee->scan_age = val;
1471 IPW_DEBUG_INFO("set scan_age = %u\n", priv->ieee->scan_age);
1472 }
1473
1474 IPW_DEBUG_INFO("exit\n");
1475 return len;
1476}
1477
1478static DEVICE_ATTR(scan_age, S_IWUSR | S_IRUGO, show_scan_age, store_scan_age);
1479
1480static ssize_t show_led(struct device *d, struct device_attribute *attr,
1481 char *buf)
1482{
1483 struct ipw_priv *priv = dev_get_drvdata(d);
1484 return sprintf(buf, "%d\n", (priv->config & CFG_NO_LED) ? 0 : 1);
1485}
1486
1487static ssize_t store_led(struct device *d, struct device_attribute *attr,
1488 const char *buf, size_t count)
1489{
1490 struct ipw_priv *priv = dev_get_drvdata(d);
1491
1492 IPW_DEBUG_INFO("enter\n");
1493
1494 if (count == 0)
1495 return 0;
1496
1497 if (*buf == 0) {
1498 IPW_DEBUG_LED("Disabling LED control.\n");
1499 priv->config |= CFG_NO_LED;
1500 ipw_led_shutdown(priv);
1501 } else {
1502 IPW_DEBUG_LED("Enabling LED control.\n");
1503 priv->config &= ~CFG_NO_LED;
1504 ipw_led_init(priv);
1505 }
1506
1507 IPW_DEBUG_INFO("exit\n");
1508 return count;
1509}
1510
1511static DEVICE_ATTR(led, S_IWUSR | S_IRUGO, show_led, store_led);
1512
ad3fee56 1513static ssize_t show_status(struct device *d,
0edd5b44 1514 struct device_attribute *attr, char *buf)
43f66a6c 1515{
ad3fee56 1516 struct ipw_priv *p = d->driver_data;
43f66a6c
JK		 1517 return sprintf(buf, "0x%08x\n", (int)p->status);
1518}
0edd5b44 1519
43f66a6c
JK		 1520static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
1521
ad3fee56
AM		 1522static ssize_t show_cfg(struct device *d, struct device_attribute *attr,
1523 char *buf)
43f66a6c 1524{
ad3fee56 1525 struct ipw_priv *p = d->driver_data;
43f66a6c
JK		 1526 return sprintf(buf, "0x%08x\n", (int)p->config);
1527}
0edd5b44 1528
43f66a6c
JK		 1529static DEVICE_ATTR(cfg, S_IRUGO, show_cfg, NULL);
1530
ad3fee56 1531static ssize_t show_nic_type(struct device *d,
0edd5b44 1532 struct device_attribute *attr, char *buf)
43f66a6c 1533{
a613bffd
JK		 1534 struct ipw_priv *priv = d->driver_data;
1535 return sprintf(buf, "TYPE: %d\n", priv->nic_type);
43f66a6c 1536}
0edd5b44 1537
43f66a6c
JK		 1538static DEVICE_ATTR(nic_type, S_IRUGO, show_nic_type, NULL);
1539
ad3fee56 1540static ssize_t show_ucode_version(struct device *d,
0edd5b44 1541 struct device_attribute *attr, char *buf)
43f66a6c
JK		 1542{
1543 u32 len = sizeof(u32), tmp = 0;
ad3fee56 1544 struct ipw_priv *p = d->driver_data;
43f66a6c 1545
0edd5b44 1546 if (ipw_get_ordinal(p, IPW_ORD_STAT_UCODE_VERSION, &tmp, &len))
43f66a6c
JK		 1547 return 0;
1548
1549 return sprintf(buf, "0x%08x\n", tmp);
1550}
0edd5b44
JG		 1551
1552static DEVICE_ATTR(ucode_version, S_IWUSR | S_IRUGO, show_ucode_version, NULL);
43f66a6c 1553
ad3fee56
AM		 1554static ssize_t show_rtc(struct device *d, struct device_attribute *attr,
1555 char *buf)
43f66a6c
JK		 1556{
1557 u32 len = sizeof(u32), tmp = 0;
ad3fee56 1558 struct ipw_priv *p = d->driver_data;
43f66a6c 1559
0edd5b44 1560 if (ipw_get_ordinal(p, IPW_ORD_STAT_RTC, &tmp, &len))
43f66a6c
JK		 1561 return 0;
1562
1563 return sprintf(buf, "0x%08x\n", tmp);
1564}
0edd5b44
JG		 1565
1566static DEVICE_ATTR(rtc, S_IWUSR | S_IRUGO, show_rtc, NULL);
43f66a6c
JK		 1567
1568/*
1569 * Add a device attribute to view/control the delay between eeprom
1570 * operations.
1571 */
ad3fee56 1572static ssize_t show_eeprom_delay(struct device *d,
0edd5b44 1573 struct device_attribute *attr, char *buf)
43f66a6c 1574{
0edd5b44 1575 int n = ((struct ipw_priv *)d->driver_data)->eeprom_delay;
43f66a6c
JK		 1576 return sprintf(buf, "%i\n", n);
1577}
ad3fee56 1578static ssize_t store_eeprom_delay(struct device *d,
0edd5b44
JG		 1579 struct device_attribute *attr,
1580 const char *buf, size_t count)
43f66a6c 1581{
ad3fee56 1582 struct ipw_priv *p = d->driver_data;
43f66a6c
JK		 1583 sscanf(buf, "%i", &p->eeprom_delay);
1584 return strnlen(buf, count);
1585}
0edd5b44
JG		 1586
1587static DEVICE_ATTR(eeprom_delay, S_IWUSR | S_IRUGO,
1588 show_eeprom_delay, store_eeprom_delay);
43f66a6c 1589
ad3fee56 1590static ssize_t show_command_event_reg(struct device *d,
0edd5b44 1591 struct device_attribute *attr, char *buf)
43f66a6c
JK		 1592{
1593 u32 reg = 0;
ad3fee56 1594 struct ipw_priv *p = d->driver_data;
43f66a6c 1595
b095c381 1596 reg = ipw_read_reg32(p, IPW_INTERNAL_CMD_EVENT);
43f66a6c
JK		 1597 return sprintf(buf, "0x%08x\n", reg);
1598}
ad3fee56 1599static ssize_t store_command_event_reg(struct device *d,
0edd5b44
JG		 1600 struct device_attribute *attr,
1601 const char *buf, size_t count)
43f66a6c
JK		 1602{
1603 u32 reg;
ad3fee56 1604 struct ipw_priv *p = d->driver_data;
43f66a6c
JK		 1605
1606 sscanf(buf, "%x", &reg);
b095c381 1607 ipw_write_reg32(p, IPW_INTERNAL_CMD_EVENT, reg);
43f66a6c
JK		 1608 return strnlen(buf, count);
1609}
0edd5b44
JG		 1610
1611static DEVICE_ATTR(command_event_reg, S_IWUSR | S_IRUGO,
1612 show_command_event_reg, store_command_event_reg);
43f66a6c 1613
ad3fee56 1614static ssize_t show_mem_gpio_reg(struct device *d,
0edd5b44 1615 struct device_attribute *attr, char *buf)
43f66a6c
JK		 1616{
1617 u32 reg = 0;
ad3fee56 1618 struct ipw_priv *p = d->driver_data;
43f66a6c
JK		 1619
1620 reg = ipw_read_reg32(p, 0x301100);
1621 return sprintf(buf, "0x%08x\n", reg);
1622}
ad3fee56 1623static ssize_t store_mem_gpio_reg(struct device *d,
0edd5b44
JG		 1624 struct device_attribute *attr,
1625 const char *buf, size_t count)
43f66a6c
JK		 1626{
1627 u32 reg;
ad3fee56 1628 struct ipw_priv *p = d->driver_data;
43f66a6c
JK		 1629
1630 sscanf(buf, "%x", &reg);
1631 ipw_write_reg32(p, 0x301100, reg);
1632 return strnlen(buf, count);
1633}
0edd5b44
JG		 1634
1635static DEVICE_ATTR(mem_gpio_reg, S_IWUSR | S_IRUGO,
1636 show_mem_gpio_reg, store_mem_gpio_reg);
43f66a6c 1637
ad3fee56 1638static ssize_t show_indirect_dword(struct device *d,
0edd5b44 1639 struct device_attribute *attr, char *buf)
43f66a6c
JK		 1640{
1641 u32 reg = 0;
ad3fee56 1642 struct ipw_priv *priv = d->driver_data;
afbf30a2 1643
bf79451e 1644 if (priv->status & STATUS_INDIRECT_DWORD)
43f66a6c 1645 reg = ipw_read_reg32(priv, priv->indirect_dword);
bf79451e 1646 else
43f66a6c 1647 reg = 0;
bf79451e 1648
43f66a6c
JK		 1649 return sprintf(buf, "0x%08x\n", reg);
1650}
ad3fee56 1651static ssize_t store_indirect_dword(struct device *d,
0edd5b44
JG		 1652 struct device_attribute *attr,
1653 const char *buf, size_t count)
43f66a6c 1654{
ad3fee56 1655 struct ipw_priv *priv = d->driver_data;
43f66a6c
JK		 1656
1657 sscanf(buf, "%x", &priv->indirect_dword);
1658 priv->status |= STATUS_INDIRECT_DWORD;
1659 return strnlen(buf, count);
1660}
0edd5b44
JG		 1661
1662static DEVICE_ATTR(indirect_dword, S_IWUSR | S_IRUGO,
1663 show_indirect_dword, store_indirect_dword);
43f66a6c 1664
ad3fee56 1665static ssize_t show_indirect_byte(struct device *d,
0edd5b44 1666 struct device_attribute *attr, char *buf)
43f66a6c
JK		 1667{
1668 u8 reg = 0;
ad3fee56 1669 struct ipw_priv *priv = d->driver_data;
afbf30a2 1670
bf79451e 1671 if (priv->status & STATUS_INDIRECT_BYTE)
43f66a6c 1672 reg = ipw_read_reg8(priv, priv->indirect_byte);
bf79451e 1673 else
43f66a6c
JK		 1674 reg = 0;
1675
1676 return sprintf(buf, "0x%02x\n", reg);
1677}
ad3fee56 1678static ssize_t store_indirect_byte(struct device *d,
0edd5b44
JG		 1679 struct device_attribute *attr,
1680 const char *buf, size_t count)
43f66a6c 1681{
ad3fee56 1682 struct ipw_priv *priv = d->driver_data;
43f66a6c
JK		 1683
1684 sscanf(buf, "%x", &priv->indirect_byte);
1685 priv->status |= STATUS_INDIRECT_BYTE;
1686 return strnlen(buf, count);
1687}
0edd5b44
JG		 1688
1689static DEVICE_ATTR(indirect_byte, S_IWUSR | S_IRUGO,
43f66a6c
JK		 1690 show_indirect_byte, store_indirect_byte);
1691
ad3fee56 1692static ssize_t show_direct_dword(struct device *d,
0edd5b44 1693 struct device_attribute *attr, char *buf)
43f66a6c
JK		 1694{
1695 u32 reg = 0;
ad3fee56 1696 struct ipw_priv *priv = d->driver_data;
43f66a6c 1697
bf79451e 1698 if (priv->status & STATUS_DIRECT_DWORD)
43f66a6c 1699 reg = ipw_read32(priv, priv->direct_dword);
bf79451e 1700 else
43f66a6c
JK		 1701 reg = 0;
1702
1703 return sprintf(buf, "0x%08x\n", reg);
1704}
ad3fee56 1705static ssize_t store_direct_dword(struct device *d,
0edd5b44
JG		 1706 struct device_attribute *attr,
1707 const char *buf, size_t count)
43f66a6c 1708{
ad3fee56 1709 struct ipw_priv *priv = d->driver_data;
43f66a6c
JK		 1710
1711 sscanf(buf, "%x", &priv->direct_dword);
1712 priv->status |= STATUS_DIRECT_DWORD;
1713 return strnlen(buf, count);
1714}
43f66a6c 1715
0edd5b44
JG		 1716static DEVICE_ATTR(direct_dword, S_IWUSR | S_IRUGO,
1717 show_direct_dword, store_direct_dword);
43f66a6c 1718
858119e1 1719static int rf_kill_active(struct ipw_priv *priv)
43f66a6c
JK		 1720{
1721 if (0 == (ipw_read32(priv, 0x30) & 0x10000))
1722 priv->status |= STATUS_RF_KILL_HW;
1723 else
1724 priv->status &= ~STATUS_RF_KILL_HW;
1725
1726 return (priv->status & STATUS_RF_KILL_HW) ? 1 : 0;
1727}
1728
ad3fee56 1729static ssize_t show_rf_kill(struct device *d, struct device_attribute *attr,
0edd5b44 1730 char *buf)
43f66a6c
JK		 1731{
1732 /* 0 - RF kill not enabled
bf79451e 1733 1 - SW based RF kill active (sysfs)
43f66a6c
JK		 1734 2 - HW based RF kill active
1735 3 - Both HW and SW baed RF kill active */
ad3fee56 1736 struct ipw_priv *priv = d->driver_data;
43f66a6c 1737 int val = ((priv->status & STATUS_RF_KILL_SW) ? 0x1 : 0x0) |
0edd5b44 1738 (rf_kill_active(priv) ? 0x2 : 0x0);
43f66a6c
JK		 1739 return sprintf(buf, "%i\n", val);
1740}
1741
1742static int ipw_radio_kill_sw(struct ipw_priv *priv, int disable_radio)
1743{
bf79451e 1744 if ((disable_radio ? 1 : 0) ==
ea2b26e0 1745 ((priv->status & STATUS_RF_KILL_SW) ? 1 : 0))
0edd5b44 1746 return 0;
43f66a6c
JK		 1747
1748 IPW_DEBUG_RF_KILL("Manual SW RF Kill set to: RADIO %s\n",
1749 disable_radio ? "OFF" : "ON");
1750
1751 if (disable_radio) {
1752 priv->status |= STATUS_RF_KILL_SW;
1753
0b531676 1754 if (priv->workqueue) {
43f66a6c 1755 cancel_delayed_work(&priv->request_scan);
ea177305
DW		 1756 cancel_delayed_work(&priv->request_direct_scan);
1757 cancel_delayed_work(&priv->request_passive_scan);
0b531676
DW		 1758 cancel_delayed_work(&priv->scan_event);
1759 }
43f66a6c
JK		 1760 queue_work(priv->workqueue, &priv->down);
1761 } else {
1762 priv->status &= ~STATUS_RF_KILL_SW;
1763 if (rf_kill_active(priv)) {
1764 IPW_DEBUG_RF_KILL("Can not turn radio back on - "
1765 "disabled by HW switch\n");
1766 /* Make sure the RF_KILL check timer is running */
1767 cancel_delayed_work(&priv->rf_kill);
bf79451e 1768 queue_delayed_work(priv->workqueue, &priv->rf_kill,
be84e3d6 1769 round_jiffies_relative(2 * HZ));
bf79451e 1770 } else
43f66a6c
JK		 1771 queue_work(priv->workqueue, &priv->up);
1772 }
1773
1774 return 1;
1775}
1776
0edd5b44
JG		 1777static ssize_t store_rf_kill(struct device *d, struct device_attribute *attr,
1778 const char *buf, size_t count)
43f66a6c 1779{
ad3fee56 1780 struct ipw_priv *priv = d->driver_data;
bf79451e 1781
43f66a6c
JK		 1782 ipw_radio_kill_sw(priv, buf[0] == '1');
1783
1784 return count;
1785}
0edd5b44
JG		 1786
1787static DEVICE_ATTR(rf_kill, S_IWUSR | S_IRUGO, show_rf_kill, store_rf_kill);
43f66a6c 1788
b095c381
JK		 1789static ssize_t show_speed_scan(struct device *d, struct device_attribute *attr,
1790 char *buf)
1791{
1792 struct ipw_priv *priv = (struct ipw_priv *)d->driver_data;
1793 int pos = 0, len = 0;
1794 if (priv->config & CFG_SPEED_SCAN) {
1795 while (priv->speed_scan[pos] != 0)
1796 len += sprintf(&buf[len], "%d ",
1797 priv->speed_scan[pos++]);
1798 return len + sprintf(&buf[len], "\n");
1799 }
1800
1801 return sprintf(buf, "0\n");
1802}
1803
1804static ssize_t store_speed_scan(struct device *d, struct device_attribute *attr,
1805 const char *buf, size_t count)
1806{
1807 struct ipw_priv *priv = (struct ipw_priv *)d->driver_data;
1808 int channel, pos = 0;
1809 const char *p = buf;
1810
1811 /* list of space separated channels to scan, optionally ending with 0 */
1812 while ((channel = simple_strtol(p, NULL, 0))) {
1813 if (pos == MAX_SPEED_SCAN - 1) {
1814 priv->speed_scan[pos] = 0;
1815 break;
1816 }
1817
1867b117 1818 if (ieee80211_is_valid_channel(priv->ieee, channel))
b095c381
JK		 1819 priv->speed_scan[pos++] = channel;
1820 else
1821 IPW_WARNING("Skipping invalid channel request: %d\n",
1822 channel);
1823 p = strchr(p, ' ');
1824 if (!p)
1825 break;
1826 while (*p == ' ' || *p == '\t')
1827 p++;
1828 }
1829
1830 if (pos == 0)
1831 priv->config &= ~CFG_SPEED_SCAN;
1832 else {
1833 priv->speed_scan_pos = 0;
1834 priv->config |= CFG_SPEED_SCAN;
1835 }
1836
1837 return count;
1838}
1839
1840static DEVICE_ATTR(speed_scan, S_IWUSR | S_IRUGO, show_speed_scan,
1841 store_speed_scan);
1842
1843static ssize_t show_net_stats(struct device *d, struct device_attribute *attr,
1844 char *buf)
1845{
1846 struct ipw_priv *priv = (struct ipw_priv *)d->driver_data;
1847 return sprintf(buf, "%c\n", (priv->config & CFG_NET_STATS) ? '1' : '0');
1848}
1849
1850static ssize_t store_net_stats(struct device *d, struct device_attribute *attr,
1851 const char *buf, size_t count)
1852{
1853 struct ipw_priv *priv = (struct ipw_priv *)d->driver_data;
1854 if (buf[0] == '1')
1855 priv->config |= CFG_NET_STATS;
1856 else
1857 priv->config &= ~CFG_NET_STATS;
1858
1859 return count;
1860}
1861
afbf30a2
JK		 1862static DEVICE_ATTR(net_stats, S_IWUSR | S_IRUGO,
1863 show_net_stats, store_net_stats);
b095c381 1864
375dd244
ZY		 1865static ssize_t show_channels(struct device *d,
1866 struct device_attribute *attr,
1867 char *buf)
1868{
1869 struct ipw_priv *priv = dev_get_drvdata(d);
742e9910 1870 const struct ieee80211_geo *geo = ieee80211_get_geo(priv->ieee);
375dd244
ZY		 1871 int len = 0, i;
1872
1873 len = sprintf(&buf[len],
1874 "Displaying %d channels in 2.4Ghz band "
1875 "(802.11bg):\n", geo->bg_channels);
1876
1877 for (i = 0; i < geo->bg_channels; i++) {
1878 len += sprintf(&buf[len], "%d: BSS%s%s, %s, Band %s.\n",
1879 geo->bg[i].channel,
1880 geo->bg[i].flags & IEEE80211_CH_RADAR_DETECT ?
1881 " (radar spectrum)" : "",
1882 ((geo->bg[i].flags & IEEE80211_CH_NO_IBSS) ||
1883 (geo->bg[i].flags & IEEE80211_CH_RADAR_DETECT))
1884 ? "" : ", IBSS",
1885 geo->bg[i].flags & IEEE80211_CH_PASSIVE_ONLY ?
1886 "passive only" : "active/passive",
1887 geo->bg[i].flags & IEEE80211_CH_B_ONLY ?
1888 "B" : "B/G");
1889 }
1890
1891 len += sprintf(&buf[len],
1892 "Displaying %d channels in 5.2Ghz band "
1893 "(802.11a):\n", geo->a_channels);
1894 for (i = 0; i < geo->a_channels; i++) {
1895 len += sprintf(&buf[len], "%d: BSS%s%s, %s.\n",
1896 geo->a[i].channel,
1897 geo->a[i].flags & IEEE80211_CH_RADAR_DETECT ?
1898 " (radar spectrum)" : "",
1899 ((geo->a[i].flags & IEEE80211_CH_NO_IBSS) ||
1900 (geo->a[i].flags & IEEE80211_CH_RADAR_DETECT))
1901 ? "" : ", IBSS",
1902 geo->a[i].flags & IEEE80211_CH_PASSIVE_ONLY ?
1903 "passive only" : "active/passive");
1904 }
1905
1906 return len;
1907}
1908
1909static DEVICE_ATTR(channels, S_IRUSR, show_channels, NULL);
1910
ea2b26e0
JK		 1911static void notify_wx_assoc_event(struct ipw_priv *priv)
1912{
1913 union iwreq_data wrqu;
1914 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1915 if (priv->status & STATUS_ASSOCIATED)
1916 memcpy(wrqu.ap_addr.sa_data, priv->bssid, ETH_ALEN);
1917 else
1918 memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
1919 wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
1920}
1921
43f66a6c
JK		 1922static void ipw_irq_tasklet(struct ipw_priv *priv)
1923{
1924 u32 inta, inta_mask, handled = 0;
1925 unsigned long flags;
1926 int rc = 0;
1927
89c318ed 1928 spin_lock_irqsave(&priv->irq_lock, flags);
43f66a6c 1929
b095c381
JK		 1930 inta = ipw_read32(priv, IPW_INTA_RW);
1931 inta_mask = ipw_read32(priv, IPW_INTA_MASK_R);
1932 inta &= (IPW_INTA_MASK_ALL & inta_mask);
43f66a6c
JK		 1933
1934 /* Add any cached INTA values that need to be handled */
1935 inta |= priv->isr_inta;
1936
89c318ed
ZY		 1937 spin_unlock_irqrestore(&priv->irq_lock, flags);
1938
1939 spin_lock_irqsave(&priv->lock, flags);
1940
43f66a6c 1941 /* handle all the justifications for the interrupt */
b095c381 1942 if (inta & IPW_INTA_BIT_RX_TRANSFER) {
43f66a6c 1943 ipw_rx(priv);
b095c381 1944 handled |= IPW_INTA_BIT_RX_TRANSFER;
43f66a6c
JK		 1945 }
1946
b095c381 1947 if (inta & IPW_INTA_BIT_TX_CMD_QUEUE) {
43f66a6c 1948 IPW_DEBUG_HC("Command completed.\n");
0edd5b44 1949 rc = ipw_queue_tx_reclaim(priv, &priv->txq_cmd, -1);
43f66a6c
JK		 1950 priv->status &= ~STATUS_HCMD_ACTIVE;
1951 wake_up_interruptible(&priv->wait_command_queue);
b095c381 1952 handled |= IPW_INTA_BIT_TX_CMD_QUEUE;
43f66a6c
JK		 1953 }
1954
b095c381 1955 if (inta & IPW_INTA_BIT_TX_QUEUE_1) {
43f66a6c 1956 IPW_DEBUG_TX("TX_QUEUE_1\n");
0edd5b44 1957 rc = ipw_queue_tx_reclaim(priv, &priv->txq[0], 0);
b095c381 1958 handled |= IPW_INTA_BIT_TX_QUEUE_1;
43f66a6c
JK		 1959 }
1960
b095c381 1961 if (inta & IPW_INTA_BIT_TX_QUEUE_2) {
43f66a6c 1962 IPW_DEBUG_TX("TX_QUEUE_2\n");
0edd5b44 1963 rc = ipw_queue_tx_reclaim(priv, &priv->txq[1], 1);
b095c381 1964 handled |= IPW_INTA_BIT_TX_QUEUE_2;
43f66a6c
JK		 1965 }
1966
b095c381 1967 if (inta & IPW_INTA_BIT_TX_QUEUE_3) {
43f66a6c 1968 IPW_DEBUG_TX("TX_QUEUE_3\n");
0edd5b44 1969 rc = ipw_queue_tx_reclaim(priv, &priv->txq[2], 2);
b095c381 1970 handled |= IPW_INTA_BIT_TX_QUEUE_3;
43f66a6c
JK		 1971 }
1972
b095c381 1973 if (inta & IPW_INTA_BIT_TX_QUEUE_4) {
43f66a6c 1974 IPW_DEBUG_TX("TX_QUEUE_4\n");
0edd5b44 1975 rc = ipw_queue_tx_reclaim(priv, &priv->txq[3], 3);
b095c381 1976 handled |= IPW_INTA_BIT_TX_QUEUE_4;
43f66a6c
JK		 1977 }
1978
b095c381 1979 if (inta & IPW_INTA_BIT_STATUS_CHANGE) {
43f66a6c 1980 IPW_WARNING("STATUS_CHANGE\n");
b095c381 1981 handled |= IPW_INTA_BIT_STATUS_CHANGE;
43f66a6c
JK		 1982 }
1983
b095c381 1984 if (inta & IPW_INTA_BIT_BEACON_PERIOD_EXPIRED) {
43f66a6c 1985 IPW_WARNING("TX_PERIOD_EXPIRED\n");
b095c381 1986 handled |= IPW_INTA_BIT_BEACON_PERIOD_EXPIRED;
43f66a6c
JK		 1987 }
1988
b095c381 1989 if (inta & IPW_INTA_BIT_SLAVE_MODE_HOST_CMD_DONE) {
43f66a6c 1990 IPW_WARNING("HOST_CMD_DONE\n");
b095c381 1991 handled |= IPW_INTA_BIT_SLAVE_MODE_HOST_CMD_DONE;
43f66a6c
JK		 1992 }
1993
b095c381 1994 if (inta & IPW_INTA_BIT_FW_INITIALIZATION_DONE) {
43f66a6c 1995 IPW_WARNING("FW_INITIALIZATION_DONE\n");
b095c381 1996 handled |= IPW_INTA_BIT_FW_INITIALIZATION_DONE;
43f66a6c
JK		 1997 }
1998
b095c381 1999 if (inta & IPW_INTA_BIT_FW_CARD_DISABLE_PHY_OFF_DONE) {
43f66a6c 2000 IPW_WARNING("PHY_OFF_DONE\n");
b095c381 2001 handled |= IPW_INTA_BIT_FW_CARD_DISABLE_PHY_OFF_DONE;
43f66a6c
JK		 2002 }
2003
b095c381 2004 if (inta & IPW_INTA_BIT_RF_KILL_DONE) {
43f66a6c
JK		 2005 IPW_DEBUG_RF_KILL("RF_KILL_DONE\n");
2006 priv->status |= STATUS_RF_KILL_HW;
2007 wake_up_interruptible(&priv->wait_command_queue);
ea2b26e0 2008 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
43f66a6c 2009 cancel_delayed_work(&priv->request_scan);
ea177305
DW		 2010 cancel_delayed_work(&priv->request_direct_scan);
2011 cancel_delayed_work(&priv->request_passive_scan);
0b531676 2012 cancel_delayed_work(&priv->scan_event);
a613bffd 2013 schedule_work(&priv->link_down);
43f66a6c 2014 queue_delayed_work(priv->workqueue, &priv->rf_kill, 2 * HZ);
b095c381 2015 handled |= IPW_INTA_BIT_RF_KILL_DONE;
43f66a6c 2016 }
bf79451e 2017
b095c381 2018 if (inta & IPW_INTA_BIT_FATAL_ERROR) {
1d1b09eb 2019 IPW_WARNING("Firmware error detected. Restarting.\n");
b39860c6 2020 if (priv->error) {
1d1b09eb 2021 IPW_DEBUG_FW("Sysfs 'error' log already exists.\n");
b39860c6
JK		 2022 if (ipw_debug_level & IPW_DL_FW_ERRORS) {
2023 struct ipw_fw_error *error =
2024 ipw_alloc_error_log(priv);
2025 ipw_dump_error_log(priv, error);
8f760780 2026 kfree(error);
b39860c6 2027 }
b39860c6
JK		 2028 } else {
2029 priv->error = ipw_alloc_error_log(priv);
2030 if (priv->error)
1d1b09eb 2031 IPW_DEBUG_FW("Sysfs 'error' log captured.\n");
b39860c6 2032 else
1d1b09eb
ZY		 2033 IPW_DEBUG_FW("Error allocating sysfs 'error' "
2034 "log.\n");
b39860c6
JK		 2035 if (ipw_debug_level & IPW_DL_FW_ERRORS)
2036 ipw_dump_error_log(priv, priv->error);
b39860c6
JK		 2037 }
2038
b095c381
JK		 2039 /* XXX: If hardware encryption is for WPA/WPA2,
2040 * we have to notify the supplicant. */
2041 if (priv->ieee->sec.encrypt) {
2042 priv->status &= ~STATUS_ASSOCIATED;
2043 notify_wx_assoc_event(priv);
2044 }
2045
2046 /* Keep the restart process from trying to send host
2047 * commands by clearing the INIT status bit */
2048 priv->status &= ~STATUS_INIT;
afbf30a2
JK		 2049
2050 /* Cancel currently queued command. */
2051 priv->status &= ~STATUS_HCMD_ACTIVE;
2052 wake_up_interruptible(&priv->wait_command_queue);
2053
43f66a6c 2054 queue_work(priv->workqueue, &priv->adapter_restart);
b095c381 2055 handled |= IPW_INTA_BIT_FATAL_ERROR;
43f66a6c
JK		 2056 }
2057
b095c381 2058 if (inta & IPW_INTA_BIT_PARITY_ERROR) {
43f66a6c 2059 IPW_ERROR("Parity error\n");
b095c381 2060 handled |= IPW_INTA_BIT_PARITY_ERROR;
43f66a6c
JK		 2061 }
2062
2063 if (handled != inta) {
0edd5b44 2064 IPW_ERROR("Unhandled INTA bits 0x%08x\n", inta & ~handled);
43f66a6c
JK		 2065 }
2066
89c318ed
ZY		 2067 spin_unlock_irqrestore(&priv->lock, flags);
2068
43f66a6c
JK		 2069 /* enable all interrupts */
2070 ipw_enable_interrupts(priv);
43f66a6c 2071}
bf79451e 2072
43f66a6c
JK		 2073#define IPW_CMD(x) case IPW_CMD_ ## x : return #x
2074static char *get_cmd_string(u8 cmd)
2075{
2076 switch (cmd) {
2077 IPW_CMD(HOST_COMPLETE);
bf79451e
JG		 2078 IPW_CMD(POWER_DOWN);
2079 IPW_CMD(SYSTEM_CONFIG);
2080 IPW_CMD(MULTICAST_ADDRESS);
2081 IPW_CMD(SSID);
2082 IPW_CMD(ADAPTER_ADDRESS);
2083 IPW_CMD(PORT_TYPE);
2084 IPW_CMD(RTS_THRESHOLD);
2085 IPW_CMD(FRAG_THRESHOLD);
2086 IPW_CMD(POWER_MODE);
2087 IPW_CMD(WEP_KEY);
2088 IPW_CMD(TGI_TX_KEY);
2089 IPW_CMD(SCAN_REQUEST);
2090 IPW_CMD(SCAN_REQUEST_EXT);
2091 IPW_CMD(ASSOCIATE);
2092 IPW_CMD(SUPPORTED_RATES);
2093 IPW_CMD(SCAN_ABORT);
2094 IPW_CMD(TX_FLUSH);
2095 IPW_CMD(QOS_PARAMETERS);
2096 IPW_CMD(DINO_CONFIG);
2097 IPW_CMD(RSN_CAPABILITIES);
2098 IPW_CMD(RX_KEY);
2099 IPW_CMD(CARD_DISABLE);
2100 IPW_CMD(SEED_NUMBER);
2101 IPW_CMD(TX_POWER);
2102 IPW_CMD(COUNTRY_INFO);
2103 IPW_CMD(AIRONET_INFO);
2104 IPW_CMD(AP_TX_POWER);
2105 IPW_CMD(CCKM_INFO);
2106 IPW_CMD(CCX_VER_INFO);
2107 IPW_CMD(SET_CALIBRATION);
2108 IPW_CMD(SENSITIVITY_CALIB);
2109 IPW_CMD(RETRY_LIMIT);
2110 IPW_CMD(IPW_PRE_POWER_DOWN);
2111 IPW_CMD(VAP_BEACON_TEMPLATE);
2112 IPW_CMD(VAP_DTIM_PERIOD);
2113 IPW_CMD(EXT_SUPPORTED_RATES);
2114 IPW_CMD(VAP_LOCAL_TX_PWR_CONSTRAINT);
2115 IPW_CMD(VAP_QUIET_INTERVALS);
2116 IPW_CMD(VAP_CHANNEL_SWITCH);
2117 IPW_CMD(VAP_MANDATORY_CHANNELS);
2118 IPW_CMD(VAP_CELL_PWR_LIMIT);
2119 IPW_CMD(VAP_CF_PARAM_SET);
2120 IPW_CMD(VAP_SET_BEACONING_STATE);
2121 IPW_CMD(MEASUREMENT);
2122 IPW_CMD(POWER_CAPABILITY);
2123 IPW_CMD(SUPPORTED_CHANNELS);
2124 IPW_CMD(TPC_REPORT);
2125 IPW_CMD(WME_INFO);
2126 IPW_CMD(PRODUCTION_COMMAND);
2127 default:
43f66a6c
JK		 2128 return "UNKNOWN";
2129 }
2130}
43f66a6c
JK		 2131
2132#define HOST_COMPLETE_TIMEOUT HZ
0a7bcf26
ZY		 2133
2134static int __ipw_send_cmd(struct ipw_priv *priv, struct host_cmd *cmd)
43f66a6c
JK		 2135{
2136 int rc = 0;
a613bffd 2137 unsigned long flags;
43f66a6c 2138
a613bffd 2139 spin_lock_irqsave(&priv->lock, flags);
43f66a6c 2140 if (priv->status & STATUS_HCMD_ACTIVE) {
9ddf84f6
JK		 2141 IPW_ERROR("Failed to send %s: Already sending a command.\n",
2142 get_cmd_string(cmd->cmd));
a613bffd 2143 spin_unlock_irqrestore(&priv->lock, flags);
9ddf84f6 2144 return -EAGAIN;
43f66a6c
JK		 2145 }
2146
2147 priv->status |= STATUS_HCMD_ACTIVE;
bf79451e 2148
f6c5cb7c
JK		 2149 if (priv->cmdlog) {
2150 priv->cmdlog[priv->cmdlog_pos].jiffies = jiffies;
2151 priv->cmdlog[priv->cmdlog_pos].cmd.cmd = cmd->cmd;
2152 priv->cmdlog[priv->cmdlog_pos].cmd.len = cmd->len;
2153 memcpy(priv->cmdlog[priv->cmdlog_pos].cmd.param, cmd->param,
2154 cmd->len);
2155 priv->cmdlog[priv->cmdlog_pos].retcode = -1;
2156 }
2157
b095c381
JK		 2158 IPW_DEBUG_HC("%s command (#%d) %d bytes: 0x%08X\n",
2159 get_cmd_string(cmd->cmd), cmd->cmd, cmd->len,
2160 priv->status);
f516dbcd
ZY		 2161
2162#ifndef DEBUG_CMD_WEP_KEY
2163 if (cmd->cmd == IPW_CMD_WEP_KEY)
2164 IPW_DEBUG_HC("WEP_KEY command masked out for secure.\n");
2165 else
2166#endif
2167 printk_buf(IPW_DL_HOST_COMMAND, (u8 *) cmd->param, cmd->len);
2168
0a7bcf26 2169 rc = ipw_queue_tx_hcmd(priv, cmd->cmd, cmd->param, cmd->len, 0);
a613bffd
JK		 2170 if (rc) {
2171 priv->status &= ~STATUS_HCMD_ACTIVE;
9ddf84f6
JK		 2172 IPW_ERROR("Failed to send %s: Reason %d\n",
2173 get_cmd_string(cmd->cmd), rc);
a613bffd 2174 spin_unlock_irqrestore(&priv->lock, flags);
f6c5cb7c 2175 goto exit;
a613bffd
JK		 2176 }
2177 spin_unlock_irqrestore(&priv->lock, flags);
43f66a6c 2178
0edd5b44
JG		 2179 rc = wait_event_interruptible_timeout(priv->wait_command_queue,
2180 !(priv->
2181 status & STATUS_HCMD_ACTIVE),
2182 HOST_COMPLETE_TIMEOUT);
43f66a6c 2183 if (rc == 0) {
a613bffd
JK		 2184 spin_lock_irqsave(&priv->lock, flags);
2185 if (priv->status & STATUS_HCMD_ACTIVE) {
9ddf84f6
JK		 2186 IPW_ERROR("Failed to send %s: Command timed out.\n",
2187 get_cmd_string(cmd->cmd));
a613bffd
JK		 2188 priv->status &= ~STATUS_HCMD_ACTIVE;
2189 spin_unlock_irqrestore(&priv->lock, flags);
f6c5cb7c
JK		 2190 rc = -EIO;
2191 goto exit;
a613bffd
JK		 2192 }
2193 spin_unlock_irqrestore(&priv->lock, flags);
3b9990cb
JK		 2194 } else
2195 rc = 0;
a613bffd 2196
b095c381 2197 if (priv->status & STATUS_RF_KILL_HW) {
9ddf84f6
JK		 2198 IPW_ERROR("Failed to send %s: Aborted due to RF kill switch.\n",
2199 get_cmd_string(cmd->cmd));
f6c5cb7c
JK		 2200 rc = -EIO;
2201 goto exit;
43f66a6c
JK		 2202 }
2203
2638bc39 2204 exit:
f6c5cb7c
JK		 2205 if (priv->cmdlog) {
2206 priv->cmdlog[priv->cmdlog_pos++].retcode = rc;
2207 priv->cmdlog_pos %= priv->cmdlog_len;
2208 }
2209 return rc;
43f66a6c
JK		 2210}
2211
0a7bcf26
ZY		 2212static int ipw_send_cmd_simple(struct ipw_priv *priv, u8 command)
2213{
2214 struct host_cmd cmd = {
2215 .cmd = command,
2216 };
2217
2218 return __ipw_send_cmd(priv, &cmd);
2219}
2220
2221static int ipw_send_cmd_pdu(struct ipw_priv *priv, u8 command, u8 len,
2222 void *data)
43f66a6c
JK		 2223{
2224 struct host_cmd cmd = {
0a7bcf26
ZY		 2225 .cmd = command,
2226 .len = len,
2227 .param = data,
43f66a6c
JK		 2228 };
2229
0a7bcf26
ZY		 2230 return __ipw_send_cmd(priv, &cmd);
2231}
2232
2233static int ipw_send_host_complete(struct ipw_priv *priv)
2234{
43f66a6c
JK		 2235 if (!priv) {
2236 IPW_ERROR("Invalid args\n");
2237 return -1;
2238 }
2239
0a7bcf26 2240 return ipw_send_cmd_simple(priv, IPW_CMD_HOST_COMPLETE);
43f66a6c
JK		 2241}
2242
d685b8c2 2243static int ipw_send_system_config(struct ipw_priv *priv)
43f66a6c 2244{
d685b8c2
ZY		 2245 return ipw_send_cmd_pdu(priv, IPW_CMD_SYSTEM_CONFIG,
2246 sizeof(priv->sys_config),
2247 &priv->sys_config);
43f66a6c
JK		 2248}
2249
0edd5b44 2250static int ipw_send_ssid(struct ipw_priv *priv, u8 * ssid, int len)
43f66a6c 2251{
43f66a6c
JK		 2252 if (!priv || !ssid) {
2253 IPW_ERROR("Invalid args\n");
2254 return -1;
2255 }
2256
0a7bcf26 2257 return ipw_send_cmd_pdu(priv, IPW_CMD_SSID, min(len, IW_ESSID_MAX_SIZE),
2638bc39 2258 ssid);
43f66a6c
JK		 2259}
2260
0edd5b44 2261static int ipw_send_adapter_address(struct ipw_priv *priv, u8 * mac)
43f66a6c 2262{
43f66a6c
JK		 2263 if (!priv || !mac) {
2264 IPW_ERROR("Invalid args\n");
2265 return -1;
2266 }
2267
e174961c
JB		 2268 IPW_DEBUG_INFO("%s: Setting MAC to %pM\n",
2269 priv->net_dev->name, mac);
43f66a6c 2270
2638bc39 2271 return ipw_send_cmd_pdu(priv, IPW_CMD_ADAPTER_ADDRESS, ETH_ALEN, mac);
43f66a6c
JK		 2272}
2273
a613bffd
JK		 2274/*
2275 * NOTE: This must be executed from our workqueue as it results in udelay
2276 * being called which may corrupt the keyboard if executed on default
2277 * workqueue
2278 */
43f66a6c
JK		 2279static void ipw_adapter_restart(void *adapter)
2280{
2281 struct ipw_priv *priv = adapter;
2282
2283 if (priv->status & STATUS_RF_KILL_MASK)
2284 return;
2285
2286 ipw_down(priv);
b095c381
JK		 2287
2288 if (priv->assoc_network &&
2289 (priv->assoc_network->capability & WLAN_CAPABILITY_IBSS))
2290 ipw_remove_current_network(priv);
2291
43f66a6c
JK		 2292 if (ipw_up(priv)) {
2293 IPW_ERROR("Failed to up device\n");
2294 return;
2295 }
2296}
2297
c4028958 2298static void ipw_bg_adapter_restart(struct work_struct *work)
c848d0af 2299{
c4028958
DH		 2300 struct ipw_priv *priv =
2301 container_of(work, struct ipw_priv, adapter_restart);
4644151b 2302 mutex_lock(&priv->mutex);
c4028958 2303 ipw_adapter_restart(priv);
4644151b 2304 mutex_unlock(&priv->mutex);
c848d0af
JK		 2305}
2306
43f66a6c
JK		 2307#define IPW_SCAN_CHECK_WATCHDOG (5 * HZ)
2308
2309static void ipw_scan_check(void *data)
2310{
2311 struct ipw_priv *priv = data;
2312 if (priv->status & (STATUS_SCANNING | STATUS_SCAN_ABORTING)) {
2313 IPW_DEBUG_SCAN("Scan completion watchdog resetting "
c7b6a674
ZY		 2314 "adapter after (%dms).\n",
2315 jiffies_to_msecs(IPW_SCAN_CHECK_WATCHDOG));
a613bffd 2316 queue_work(priv->workqueue, &priv->adapter_restart);
43f66a6c
JK		 2317 }
2318}
2319
c4028958 2320static void ipw_bg_scan_check(struct work_struct *work)
c848d0af 2321{
c4028958
DH		 2322 struct ipw_priv *priv =
2323 container_of(work, struct ipw_priv, scan_check.work);
4644151b 2324 mutex_lock(&priv->mutex);
c4028958 2325 ipw_scan_check(priv);
4644151b 2326 mutex_unlock(&priv->mutex);
c848d0af
JK		 2327}
2328
43f66a6c
JK		 2329static int ipw_send_scan_request_ext(struct ipw_priv *priv,
2330 struct ipw_scan_request_ext *request)
2331{
0a7bcf26 2332 return ipw_send_cmd_pdu(priv, IPW_CMD_SCAN_REQUEST_EXT,
2638bc39 2333 sizeof(*request), request);
43f66a6c
JK		 2334}
2335
2336static int ipw_send_scan_abort(struct ipw_priv *priv)
2337{
43f66a6c
JK		 2338 if (!priv) {
2339 IPW_ERROR("Invalid args\n");
2340 return -1;
2341 }
2342
0a7bcf26 2343 return ipw_send_cmd_simple(priv, IPW_CMD_SCAN_ABORT);
43f66a6c
JK		 2344}
2345
2346static int ipw_set_sensitivity(struct ipw_priv *priv, u16 sens)
2347{
0a7bcf26 2348 struct ipw_sensitivity_calib calib = {
851ca268 2349 .beacon_rssi_raw = cpu_to_le16(sens),
43f66a6c 2350 };
0a7bcf26
ZY		 2351
2352 return ipw_send_cmd_pdu(priv, IPW_CMD_SENSITIVITY_CALIB, sizeof(calib),
2638bc39 2353 &calib);
43f66a6c
JK		 2354}
2355
2356static int ipw_send_associate(struct ipw_priv *priv,
2357 struct ipw_associate *associate)
2358{
0a7bcf26
ZY		 2359 if (!priv || !associate) {
2360 IPW_ERROR("Invalid args\n");
2361 return -1;
2362 }
2363
5b5e807f
AV		 2364 return ipw_send_cmd_pdu(priv, IPW_CMD_ASSOCIATE, sizeof(*associate),
2365 associate);
43f66a6c
JK		 2366}
2367
2368static int ipw_send_supported_rates(struct ipw_priv *priv,
2369 struct ipw_supported_rates *rates)
2370{
43f66a6c
JK		 2371 if (!priv || !rates) {
2372 IPW_ERROR("Invalid args\n");
2373 return -1;
2374 }
2375
0a7bcf26 2376 return ipw_send_cmd_pdu(priv, IPW_CMD_SUPPORTED_RATES, sizeof(*rates),
2638bc39 2377 rates);
43f66a6c
JK		 2378}
2379
2380static int ipw_set_random_seed(struct ipw_priv *priv)
2381{
0a7bcf26 2382 u32 val;
43f66a6c
JK		 2383
2384 if (!priv) {
2385 IPW_ERROR("Invalid args\n");
2386 return -1;
2387 }
2388
0a7bcf26 2389 get_random_bytes(&val, sizeof(val));
43f66a6c 2390
0a7bcf26 2391 return ipw_send_cmd_pdu(priv, IPW_CMD_SEED_NUMBER, sizeof(val), &val);
43f66a6c
JK		 2392}
2393
43f66a6c
JK		 2394static int ipw_send_card_disable(struct ipw_priv *priv, u32 phy_off)
2395{
e62e1ee0 2396 __le32 v = cpu_to_le32(phy_off);
43f66a6c
JK		 2397 if (!priv) {
2398 IPW_ERROR("Invalid args\n");
2399 return -1;
2400 }
2401
e62e1ee0 2402 return ipw_send_cmd_pdu(priv, IPW_CMD_CARD_DISABLE, sizeof(v), &v);
43f66a6c 2403}
43f66a6c 2404
0edd5b44 2405static int ipw_send_tx_power(struct ipw_priv *priv, struct ipw_tx_power *power)
43f66a6c 2406{
43f66a6c
JK		 2407 if (!priv || !power) {
2408 IPW_ERROR("Invalid args\n");
2409 return -1;
2410 }
2411
2638bc39 2412 return ipw_send_cmd_pdu(priv, IPW_CMD_TX_POWER, sizeof(*power), power);
43f66a6c
JK		 2413}
2414
6de9f7f2
ZY		 2415static int ipw_set_tx_power(struct ipw_priv *priv)
2416{
1867b117 2417 const struct ieee80211_geo *geo = ieee80211_get_geo(priv->ieee);
6de9f7f2
ZY		 2418 struct ipw_tx_power tx_power;
2419 s8 max_power;
2420 int i;
2421
2422 memset(&tx_power, 0, sizeof(tx_power));
2423
2424 /* configure device for 'G' band */
2425 tx_power.ieee_mode = IPW_G_MODE;
2426 tx_power.num_channels = geo->bg_channels;
2427 for (i = 0; i < geo->bg_channels; i++) {
2428 max_power = geo->bg[i].max_power;
2429 tx_power.channels_tx_power[i].channel_number =
2430 geo->bg[i].channel;
2431 tx_power.channels_tx_power[i].tx_power = max_power ?
2432 min(max_power, priv->tx_power) : priv->tx_power;
43f66a6c 2433 }
6de9f7f2
ZY		 2434 if (ipw_send_tx_power(priv, &tx_power))
2435 return -EIO;
2436
2437 /* configure device to also handle 'B' band */
2438 tx_power.ieee_mode = IPW_B_MODE;
2439 if (ipw_send_tx_power(priv, &tx_power))
2440 return -EIO;
bf79451e 2441
6de9f7f2
ZY		 2442 /* configure device to also handle 'A' band */
2443 if (priv->ieee->abg_true) {
2444 tx_power.ieee_mode = IPW_A_MODE;
2445 tx_power.num_channels = geo->a_channels;
2446 for (i = 0; i < tx_power.num_channels; i++) {
2447 max_power = geo->a[i].max_power;
2448 tx_power.channels_tx_power[i].channel_number =
2449 geo->a[i].channel;
2450 tx_power.channels_tx_power[i].tx_power = max_power ?
2451 min(max_power, priv->tx_power) : priv->tx_power;
2452 }
2453 if (ipw_send_tx_power(priv, &tx_power))
2454 return -EIO;
2455 }
43f66a6c
JK		 2456 return 0;
2457}
2458
2459static int ipw_send_rts_threshold(struct ipw_priv *priv, u16 rts)
2460{
2461 struct ipw_rts_threshold rts_threshold = {
851ca268 2462 .rts_threshold = cpu_to_le16(rts),
43f66a6c 2463 };
43f66a6c
JK		 2464
2465 if (!priv) {
2466 IPW_ERROR("Invalid args\n");
2467 return -1;
2468 }
2469
0a7bcf26
ZY		 2470 return ipw_send_cmd_pdu(priv, IPW_CMD_RTS_THRESHOLD,
2471 sizeof(rts_threshold), &rts_threshold);
43f66a6c
JK		 2472}
2473
2474static int ipw_send_frag_threshold(struct ipw_priv *priv, u16 frag)
2475{
2476 struct ipw_frag_threshold frag_threshold = {
851ca268 2477 .frag_threshold = cpu_to_le16(frag),
43f66a6c 2478 };
43f66a6c
JK		 2479
2480 if (!priv) {
2481 IPW_ERROR("Invalid args\n");
2482 return -1;
2483 }
2484
0a7bcf26
ZY		 2485 return ipw_send_cmd_pdu(priv, IPW_CMD_FRAG_THRESHOLD,
2486 sizeof(frag_threshold), &frag_threshold);
43f66a6c
JK		 2487}
2488
2489static int ipw_send_power_mode(struct ipw_priv *priv, u32 mode)
2490{
e62e1ee0 2491 __le32 param;
43f66a6c
JK		 2492
2493 if (!priv) {
2494 IPW_ERROR("Invalid args\n");
2495 return -1;
2496 }
bf79451e 2497
43f66a6c
JK		 2498 /* If on battery, set to 3, if AC set to CAM, else user
2499 * level */
2500 switch (mode) {
2501 case IPW_POWER_BATTERY:
e62e1ee0 2502 param = cpu_to_le32(IPW_POWER_INDEX_3);
43f66a6c
JK		 2503 break;
2504 case IPW_POWER_AC:
e62e1ee0 2505 param = cpu_to_le32(IPW_POWER_MODE_CAM);
43f66a6c
JK		 2506 break;
2507 default:
e62e1ee0 2508 param = cpu_to_le32(mode);
43f66a6c
JK		 2509 break;
2510 }
2511
0a7bcf26 2512 return ipw_send_cmd_pdu(priv, IPW_CMD_POWER_MODE, sizeof(param),
2638bc39 2513 &param);
43f66a6c
JK		 2514}
2515
afbf30a2
JK		 2516static int ipw_send_retry_limit(struct ipw_priv *priv, u8 slimit, u8 llimit)
2517{
2518 struct ipw_retry_limit retry_limit = {
2519 .short_retry_limit = slimit,
2520 .long_retry_limit = llimit
2521 };
afbf30a2
JK		 2522
2523 if (!priv) {
2524 IPW_ERROR("Invalid args\n");
2525 return -1;
2526 }
2527
0a7bcf26 2528 return ipw_send_cmd_pdu(priv, IPW_CMD_RETRY_LIMIT, sizeof(retry_limit),
2638bc39 2529 &retry_limit);
afbf30a2
JK		 2530}
2531
43f66a6c
JK		 2532/*
2533 * The IPW device contains a Microwire compatible EEPROM that stores
2534 * various data like the MAC address. Usually the firmware has exclusive
2535 * access to the eeprom, but during device initialization (before the
2536 * device driver has sent the HostComplete command to the firmware) the
2537 * device driver has read access to the EEPROM by way of indirect addressing
2538 * through a couple of memory mapped registers.
2539 *
2540 * The following is a simplified implementation for pulling data out of the
2541 * the eeprom, along with some helper functions to find information in
2542 * the per device private data's copy of the eeprom.
2543 *
2544 * NOTE: To better understand how these functions work (i.e what is a chip
2545 * select and why do have to keep driving the eeprom clock?), read
2546 * just about any data sheet for a Microwire compatible EEPROM.
2547 */
2548
2549/* write a 32 bit value into the indirect accessor register */
2550static inline void eeprom_write_reg(struct ipw_priv *p, u32 data)
2551{
2552 ipw_write_reg32(p, FW_MEM_REG_EEPROM_ACCESS, data);
bf79451e 2553
43f66a6c
JK		 2554 /* the eeprom requires some time to complete the operation */
2555 udelay(p->eeprom_delay);
2556
2557 return;
2558}
2559
2560/* perform a chip select operation */
858119e1 2561static void eeprom_cs(struct ipw_priv *priv)
43f66a6c 2562{
0edd5b44
JG		 2563 eeprom_write_reg(priv, 0);
2564 eeprom_write_reg(priv, EEPROM_BIT_CS);
2565 eeprom_write_reg(priv, EEPROM_BIT_CS | EEPROM_BIT_SK);
2566 eeprom_write_reg(priv, EEPROM_BIT_CS);
43f66a6c
JK		 2567}
2568
2569/* perform a chip select operation */
858119e1 2570static void eeprom_disable_cs(struct ipw_priv *priv)
43f66a6c 2571{
0edd5b44
JG		 2572 eeprom_write_reg(priv, EEPROM_BIT_CS);
2573 eeprom_write_reg(priv, 0);
2574 eeprom_write_reg(priv, EEPROM_BIT_SK);
43f66a6c
JK		 2575}
2576
2577/* push a single bit down to the eeprom */
0edd5b44 2578static inline void eeprom_write_bit(struct ipw_priv *p, u8 bit)
43f66a6c 2579{
0edd5b44
JG		 2580 int d = (bit ? EEPROM_BIT_DI : 0);
2581 eeprom_write_reg(p, EEPROM_BIT_CS | d);
2582 eeprom_write_reg(p, EEPROM_BIT_CS | d | EEPROM_BIT_SK);
43f66a6c
JK		 2583}
2584
2585/* push an opcode followed by an address down to the eeprom */
0edd5b44 2586static void eeprom_op(struct ipw_priv *priv, u8 op, u8 addr)
43f66a6c
JK		 2587{
2588 int i;
2589
2590 eeprom_cs(priv);
0edd5b44
JG		 2591 eeprom_write_bit(priv, 1);
2592 eeprom_write_bit(priv, op & 2);
2593 eeprom_write_bit(priv, op & 1);
2594 for (i = 7; i >= 0; i--) {
2595 eeprom_write_bit(priv, addr & (1 << i));
43f66a6c
JK		 2596 }
2597}
2598
2599/* pull 16 bits off the eeprom, one bit at a time */
0edd5b44 2600static u16 eeprom_read_u16(struct ipw_priv *priv, u8 addr)
43f66a6c
JK		 2601{
2602 int i;
0edd5b44 2603 u16 r = 0;
bf79451e 2604
43f66a6c 2605 /* Send READ Opcode */
0edd5b44 2606 eeprom_op(priv, EEPROM_CMD_READ, addr);
43f66a6c
JK		 2607
2608 /* Send dummy bit */
0edd5b44 2609 eeprom_write_reg(priv, EEPROM_BIT_CS);
43f66a6c
JK		 2610
2611 /* Read the byte off the eeprom one bit at a time */
0edd5b44 2612 for (i = 0; i < 16; i++) {
43f66a6c 2613 u32 data = 0;
0edd5b44
JG		 2614 eeprom_write_reg(priv, EEPROM_BIT_CS | EEPROM_BIT_SK);
2615 eeprom_write_reg(priv, EEPROM_BIT_CS);
2616 data = ipw_read_reg32(priv, FW_MEM_REG_EEPROM_ACCESS);
2617 r = (r << 1) | ((data & EEPROM_BIT_DO) ? 1 : 0);
43f66a6c 2618 }
bf79451e 2619
43f66a6c 2620 /* Send another dummy bit */
0edd5b44 2621 eeprom_write_reg(priv, 0);
43f66a6c 2622 eeprom_disable_cs(priv);
bf79451e 2623
43f66a6c
JK		 2624 return r;
2625}
2626
2627/* helper function for pulling the mac address out of the private */
2628/* data's copy of the eeprom data */
0edd5b44 2629static void eeprom_parse_mac(struct ipw_priv *priv, u8 * mac)
43f66a6c 2630{
afbf30a2 2631 memcpy(mac, &priv->eeprom[EEPROM_MAC_ADDRESS], 6);
43f66a6c
JK		 2632}
2633
2634/*
2635 * Either the device driver (i.e. the host) or the firmware can
2636 * load eeprom data into the designated region in SRAM. If neither
2637 * happens then the FW will shutdown with a fatal error.
2638 *
2639 * In order to signal the FW to load the EEPROM, the EEPROM_LOAD_DISABLE
2640 * bit needs region of shared SRAM needs to be non-zero.
2641 */
2642static void ipw_eeprom_init_sram(struct ipw_priv *priv)
2643{
2644 int i;
e62e1ee0 2645 __le16 *eeprom = (__le16 *) priv->eeprom;
bf79451e 2646
43f66a6c
JK		 2647 IPW_DEBUG_TRACE(">>\n");
2648
2649 /* read entire contents of eeprom into private buffer */
0edd5b44 2650 for (i = 0; i < 128; i++)
e62e1ee0 2651 eeprom[i] = cpu_to_le16(eeprom_read_u16(priv, (u8) i));
43f66a6c 2652
bf79451e
JG		 2653 /*
2654 If the data looks correct, then copy it to our private
43f66a6c 2655 copy. Otherwise let the firmware know to perform the operation
c7b6a674 2656 on its own.
0edd5b44 2657 */
386093ef 2658 if (priv->eeprom[EEPROM_VERSION] != 0) {
43f66a6c
JK		 2659 IPW_DEBUG_INFO("Writing EEPROM data into SRAM\n");
2660
2661 /* write the eeprom data to sram */
b095c381 2662 for (i = 0; i < IPW_EEPROM_IMAGE_SIZE; i++)
0edd5b44 2663 ipw_write8(priv, IPW_EEPROM_DATA + i, priv->eeprom[i]);
43f66a6c
JK		 2664
2665 /* Do not load eeprom data on fatal error or suspend */
2666 ipw_write32(priv, IPW_EEPROM_LOAD_DISABLE, 0);
2667 } else {
2668 IPW_DEBUG_INFO("Enabling FW initializationg of SRAM\n");
2669
2670 /* Load eeprom data on fatal error or suspend */
2671 ipw_write32(priv, IPW_EEPROM_LOAD_DISABLE, 1);
2672 }
2673
2674 IPW_DEBUG_TRACE("<<\n");
2675}
2676
858119e1 2677static void ipw_zero_memory(struct ipw_priv *priv, u32 start, u32 count)
43f66a6c
JK		 2678{
2679 count >>= 2;
0edd5b44
JG		 2680 if (!count)
2681 return;
b095c381 2682 _ipw_write32(priv, IPW_AUTOINC_ADDR, start);
bf79451e 2683 while (count--)
b095c381 2684 _ipw_write32(priv, IPW_AUTOINC_DATA, 0);
43f66a6c
JK		 2685}
2686
2687static inline void ipw_fw_dma_reset_command_blocks(struct ipw_priv *priv)
2688{
b095c381 2689 ipw_zero_memory(priv, IPW_SHARED_SRAM_DMA_CONTROL,
bf79451e 2690 CB_NUMBER_OF_ELEMENTS_SMALL *
43f66a6c
JK		 2691 sizeof(struct command_block));
2692}
2693
2694static int ipw_fw_dma_enable(struct ipw_priv *priv)
0edd5b44 2695{ /* start dma engine but no transfers yet */
43f66a6c
JK		 2696
2697 IPW_DEBUG_FW(">> : \n");
bf79451e 2698
43f66a6c
JK		 2699 /* Start the dma */
2700 ipw_fw_dma_reset_command_blocks(priv);
bf79451e 2701
43f66a6c 2702 /* Write CB base address */
b095c381 2703 ipw_write_reg32(priv, IPW_DMA_I_CB_BASE, IPW_SHARED_SRAM_DMA_CONTROL);
43f66a6c
JK		 2704
2705 IPW_DEBUG_FW("<< : \n");
2706 return 0;
2707}
2708
2709static void ipw_fw_dma_abort(struct ipw_priv *priv)
2710{
2711 u32 control = 0;
2712
2713 IPW_DEBUG_FW(">> :\n");
bf79451e 2714
67fd6b45 2715 /* set the Stop and Abort bit */
43f66a6c 2716 control = DMA_CONTROL_SMALL_CB_CONST_VALUE | DMA_CB_STOP_AND_ABORT;
b095c381 2717 ipw_write_reg32(priv, IPW_DMA_I_DMA_CONTROL, control);
43f66a6c 2718 priv->sram_desc.last_cb_index = 0;
bf79451e 2719
43f66a6c
JK		 2720 IPW_DEBUG_FW("<< \n");
2721}
2722
0edd5b44
JG		 2723static int ipw_fw_dma_write_command_block(struct ipw_priv *priv, int index,
2724 struct command_block *cb)
43f66a6c 2725{
0edd5b44 2726 u32 address =
b095c381 2727 IPW_SHARED_SRAM_DMA_CONTROL +
0edd5b44 2728 (sizeof(struct command_block) * index);
43f66a6c
JK		 2729 IPW_DEBUG_FW(">> :\n");
2730
0edd5b44
JG		 2731 ipw_write_indirect(priv, address, (u8 *) cb,
2732 (int)sizeof(struct command_block));
43f66a6c
JK		 2733
2734 IPW_DEBUG_FW("<< :\n");
2735 return 0;
2736
2737}
2738
2739static int ipw_fw_dma_kick(struct ipw_priv *priv)
2740{
2741 u32 control = 0;
0edd5b44 2742 u32 index = 0;
43f66a6c
JK		 2743
2744 IPW_DEBUG_FW(">> :\n");
bf79451e 2745
43f66a6c 2746 for (index = 0; index < priv->sram_desc.last_cb_index; index++)
0edd5b44
JG		 2747 ipw_fw_dma_write_command_block(priv, index,
2748 &priv->sram_desc.cb_list[index]);
43f66a6c
JK		 2749
2750 /* Enable the DMA in the CSR register */
b095c381
JK		 2751 ipw_clear_bit(priv, IPW_RESET_REG,
2752 IPW_RESET_REG_MASTER_DISABLED |
2753 IPW_RESET_REG_STOP_MASTER);
bf79451e 2754
0edd5b44 2755 /* Set the Start bit. */
43f66a6c 2756 control = DMA_CONTROL_SMALL_CB_CONST_VALUE | DMA_CB_START;
b095c381 2757 ipw_write_reg32(priv, IPW_DMA_I_DMA_CONTROL, control);
43f66a6c
JK		 2758
2759 IPW_DEBUG_FW("<< :\n");
2760 return 0;
2761}
2762
2763static void ipw_fw_dma_dump_command_block(struct ipw_priv *priv)
2764{
2765 u32 address;
0edd5b44
JG		 2766 u32 register_value = 0;
2767 u32 cb_fields_address = 0;
43f66a6c
JK		 2768
2769 IPW_DEBUG_FW(">> :\n");
b095c381 2770 address = ipw_read_reg32(priv, IPW_DMA_I_CURRENT_CB);
0edd5b44 2771 IPW_DEBUG_FW_INFO("Current CB is 0x%x \n", address);
43f66a6c
JK		 2772
2773 /* Read the DMA Controlor register */
b095c381
JK		 2774 register_value = ipw_read_reg32(priv, IPW_DMA_I_DMA_CONTROL);
2775 IPW_DEBUG_FW_INFO("IPW_DMA_I_DMA_CONTROL is 0x%x \n", register_value);
43f66a6c 2776
0edd5b44 2777 /* Print the CB values */
43f66a6c
JK		 2778 cb_fields_address = address;
2779 register_value = ipw_read_reg32(priv, cb_fields_address);
0edd5b44 2780 IPW_DEBUG_FW_INFO("Current CB ControlField is 0x%x \n", register_value);
43f66a6c
JK		 2781
2782 cb_fields_address += sizeof(u32);
2783 register_value = ipw_read_reg32(priv, cb_fields_address);
0edd5b44 2784 IPW_DEBUG_FW_INFO("Current CB Source Field is 0x%x \n", register_value);
43f66a6c
JK		 2785
2786 cb_fields_address += sizeof(u32);
2787 register_value = ipw_read_reg32(priv, cb_fields_address);
2788 IPW_DEBUG_FW_INFO("Current CB Destination Field is 0x%x \n",
2789 register_value);
2790
2791 cb_fields_address += sizeof(u32);
2792 register_value = ipw_read_reg32(priv, cb_fields_address);
0edd5b44 2793 IPW_DEBUG_FW_INFO("Current CB Status Field is 0x%x \n", register_value);
43f66a6c
JK		 2794
2795 IPW_DEBUG_FW(">> :\n");
2796}
2797
2798static int ipw_fw_dma_command_block_index(struct ipw_priv *priv)
2799{
2800 u32 current_cb_address = 0;
2801 u32 current_cb_index = 0;
2802
2803 IPW_DEBUG_FW("<< :\n");
b095c381 2804 current_cb_address = ipw_read_reg32(priv, IPW_DMA_I_CURRENT_CB);
bf79451e 2805
b095c381 2806 current_cb_index = (current_cb_address - IPW_SHARED_SRAM_DMA_CONTROL) /
0edd5b44 2807 sizeof(struct command_block);
bf79451e 2808
43f66a6c 2809 IPW_DEBUG_FW_INFO("Current CB index 0x%x address = 0x%X \n",
0edd5b44 2810 current_cb_index, current_cb_address);
43f66a6c
JK		 2811
2812 IPW_DEBUG_FW(">> :\n");
2813 return current_cb_index;
2814
2815}
2816
2817static int ipw_fw_dma_add_command_block(struct ipw_priv *priv,
2818 u32 src_address,
2819 u32 dest_address,
2820 u32 length,
0edd5b44 2821 int interrupt_enabled, int is_last)
43f66a6c
JK		 2822{
2823
bf79451e 2824 u32 control = CB_VALID | CB_SRC_LE | CB_DEST_LE | CB_SRC_AUTOINC |
0edd5b44
JG		 2825 CB_SRC_IO_GATED | CB_DEST_AUTOINC | CB_SRC_SIZE_LONG |
2826 CB_DEST_SIZE_LONG;
43f66a6c 2827 struct command_block *cb;
0edd5b44 2828 u32 last_cb_element = 0;
43f66a6c
JK		 2829
2830 IPW_DEBUG_FW_INFO("src_address=0x%x dest_address=0x%x length=0x%x\n",
2831 src_address, dest_address, length);
2832
2833 if (priv->sram_desc.last_cb_index >= CB_NUMBER_OF_ELEMENTS_SMALL)
2834 return -1;
2835
2836 last_cb_element = priv->sram_desc.last_cb_index;
2837 cb = &priv->sram_desc.cb_list[last_cb_element];
2838 priv->sram_desc.last_cb_index++;
2839
2840 /* Calculate the new CB control word */
0edd5b44 2841 if (interrupt_enabled)
43f66a6c
JK		 2842 control |= CB_INT_ENABLED;
2843
2844 if (is_last)
2845 control |= CB_LAST_VALID;
bf79451e 2846
43f66a6c
JK		 2847 control |= length;
2848
2849 /* Calculate the CB Element's checksum value */
0edd5b44 2850 cb->status = control ^ src_address ^ dest_address;
43f66a6c
JK		 2851
2852 /* Copy the Source and Destination addresses */
2853 cb->dest_addr = dest_address;
2854 cb->source_addr = src_address;
2855
2856 /* Copy the Control Word last */
2857 cb->control = control;
2858
2859 return 0;
2860}
2861
2862static int ipw_fw_dma_add_buffer(struct ipw_priv *priv,
0edd5b44 2863 u32 src_phys, u32 dest_address, u32 length)
43f66a6c
JK		 2864{
2865 u32 bytes_left = length;
0edd5b44
JG		 2866 u32 src_offset = 0;
2867 u32 dest_offset = 0;
43f66a6c
JK		 2868 int status = 0;
2869 IPW_DEBUG_FW(">> \n");
2870 IPW_DEBUG_FW_INFO("src_phys=0x%x dest_address=0x%x length=0x%x\n",
2871 src_phys, dest_address, length);
2872 while (bytes_left > CB_MAX_LENGTH) {
0edd5b44
JG		 2873 status = ipw_fw_dma_add_command_block(priv,
2874 src_phys + src_offset,
2875 dest_address +
2876 dest_offset,
2877 CB_MAX_LENGTH, 0, 0);
43f66a6c
JK		 2878 if (status) {
2879 IPW_DEBUG_FW_INFO(": Failed\n");
2880 return -1;
bf79451e 2881 } else
43f66a6c
JK		 2882 IPW_DEBUG_FW_INFO(": Added new cb\n");
2883
2884 src_offset += CB_MAX_LENGTH;
2885 dest_offset += CB_MAX_LENGTH;
2886 bytes_left -= CB_MAX_LENGTH;
2887 }
2888
2889 /* add the buffer tail */
2890 if (bytes_left > 0) {
0edd5b44
JG		 2891 status =
2892 ipw_fw_dma_add_command_block(priv, src_phys + src_offset,
2893 dest_address + dest_offset,
2894 bytes_left, 0, 0);
43f66a6c
JK		 2895 if (status) {
2896 IPW_DEBUG_FW_INFO(": Failed on the buffer tail\n");
2897 return -1;
bf79451e 2898 } else
0edd5b44
JG		 2899 IPW_DEBUG_FW_INFO
2900 (": Adding new cb - the buffer tail\n");
43f66a6c 2901 }
bf79451e 2902
43f66a6c
JK		 2903 IPW_DEBUG_FW("<< \n");
2904 return 0;
2905}
2906
2907static int ipw_fw_dma_wait(struct ipw_priv *priv)
2908{
397ae121 2909 u32 current_index = 0, previous_index;
43f66a6c
JK		 2910 u32 watchdog = 0;
2911
2912 IPW_DEBUG_FW(">> : \n");
2913
2914 current_index = ipw_fw_dma_command_block_index(priv);
397ae121 2915 IPW_DEBUG_FW_INFO("sram_desc.last_cb_index:0x%08X\n",
0edd5b44 2916 (int)priv->sram_desc.last_cb_index);
43f66a6c
JK		 2917
2918 while (current_index < priv->sram_desc.last_cb_index) {
2919 udelay(50);
397ae121 2920 previous_index = current_index;
43f66a6c
JK		 2921 current_index = ipw_fw_dma_command_block_index(priv);
2922
397ae121
ZY		 2923 if (previous_index < current_index) {
2924 watchdog = 0;
2925 continue;
2926 }
2927 if (++watchdog > 400) {
43f66a6c
JK		 2928 IPW_DEBUG_FW_INFO("Timeout\n");
2929 ipw_fw_dma_dump_command_block(priv);
2930 ipw_fw_dma_abort(priv);
2931 return -1;
2932 }
2933 }
2934
2935 ipw_fw_dma_abort(priv);
2936
0edd5b44 2937 /*Disable the DMA in the CSR register */
b095c381
JK		 2938 ipw_set_bit(priv, IPW_RESET_REG,
2939 IPW_RESET_REG_MASTER_DISABLED | IPW_RESET_REG_STOP_MASTER);
43f66a6c
JK		 2940
2941 IPW_DEBUG_FW("<< dmaWaitSync \n");
2942 return 0;
2943}
2944
bf79451e 2945static void ipw_remove_current_network(struct ipw_priv *priv)
43f66a6c
JK		 2946{
2947 struct list_head *element, *safe;
bf79451e 2948 struct ieee80211_network *network = NULL;
a613bffd
JK		 2949 unsigned long flags;
2950
2951 spin_lock_irqsave(&priv->ieee->lock, flags);
43f66a6c
JK		 2952 list_for_each_safe(element, safe, &priv->ieee->network_list) {
2953 network = list_entry(element, struct ieee80211_network, list);
2954 if (!memcmp(network->bssid, priv->bssid, ETH_ALEN)) {
2955 list_del(element);
bf79451e 2956 list_add_tail(&network->list,
43f66a6c
JK		 2957 &priv->ieee->network_free_list);
2958 }
2959 }
a613bffd 2960 spin_unlock_irqrestore(&priv->ieee->lock, flags);
43f66a6c
JK		 2961}
2962
2963/**
bf79451e 2964 * Check that card is still alive.
43f66a6c
JK		 2965 * Reads debug register from domain0.
2966 * If card is present, pre-defined value should
2967 * be found there.
bf79451e 2968 *
43f66a6c
JK		 2969 * @param priv
2970 * @return 1 if card is present, 0 otherwise
2971 */
2972static inline int ipw_alive(struct ipw_priv *priv)
2973{
2974 return ipw_read32(priv, 0x90) == 0xd55555d5;
2975}
2976
c7b6a674 2977/* timeout in msec, attempted in 10-msec quanta */
858119e1 2978static int ipw_poll_bit(struct ipw_priv *priv, u32 addr, u32 mask,
43f66a6c
JK		 2979 int timeout)
2980{
2981 int i = 0;
2982
2983 do {
bf79451e 2984 if ((ipw_read32(priv, addr) & mask) == mask)
43f66a6c
JK		 2985 return i;
2986 mdelay(10);
2987 i += 10;
2988 } while (i < timeout);
bf79451e 2989
43f66a6c
JK		 2990 return -ETIME;
2991}
2992
bf79451e 2993/* These functions load the firmware and micro code for the operation of
43f66a6c
JK		 2994 * the ipw hardware. It assumes the buffer has all the bits for the
2995 * image and the caller is handling the memory allocation and clean up.
2996 */
2997
0edd5b44 2998static int ipw_stop_master(struct ipw_priv *priv)
43f66a6c
JK		 2999{
3000 int rc;
bf79451e 3001
43f66a6c
JK		 3002 IPW_DEBUG_TRACE(">> \n");
3003 /* stop master. typical delay - 0 */
b095c381 3004 ipw_set_bit(priv, IPW_RESET_REG, IPW_RESET_REG_STOP_MASTER);
43f66a6c 3005
c7b6a674 3006 /* timeout is in msec, polled in 10-msec quanta */
b095c381
JK		 3007 rc = ipw_poll_bit(priv, IPW_RESET_REG,
3008 IPW_RESET_REG_MASTER_DISABLED, 100);
43f66a6c 3009 if (rc < 0) {
c7b6a674 3010 IPW_ERROR("wait for stop master failed after 100ms\n");
43f66a6c
JK		 3011 return -1;
3012 }
3013
3014 IPW_DEBUG_INFO("stop master %dms\n", rc);
3015
3016 return rc;
3017}
3018
3019static void ipw_arc_release(struct ipw_priv *priv)
3020{
3021 IPW_DEBUG_TRACE(">> \n");
3022 mdelay(5);
3023
b095c381 3024 ipw_clear_bit(priv, IPW_RESET_REG, CBD_RESET_REG_PRINCETON_RESET);
43f66a6c
JK		 3025
3026 /* no one knows timing, for safety add some delay */
3027 mdelay(5);
3028}
3029
43f66a6c 3030struct fw_chunk {
e62e1ee0
AV		 3031 __le32 address;
3032 __le32 length;
43f66a6c
JK		 3033};
3034
0edd5b44 3035static int ipw_load_ucode(struct ipw_priv *priv, u8 * data, size_t len)
43f66a6c
JK		 3036{
3037 int rc = 0, i, addr;
3038 u8 cr = 0;
e62e1ee0 3039 __le16 *image;
43f66a6c 3040
e62e1ee0 3041 image = (__le16 *) data;
bf79451e 3042
43f66a6c
JK		 3043 IPW_DEBUG_TRACE(">> \n");
3044
3045 rc = ipw_stop_master(priv);
3046
3047 if (rc < 0)
3048 return rc;
bf79451e 3049
b095c381
JK		 3050 for (addr = IPW_SHARED_LOWER_BOUND;
3051 addr < IPW_REGISTER_DOMAIN1_END; addr += 4) {
43f66a6c
JK		 3052 ipw_write32(priv, addr, 0);
3053 }
3054
3055 /* no ucode (yet) */
3056 memset(&priv->dino_alive, 0, sizeof(priv->dino_alive));
3057 /* destroy DMA queues */
3058 /* reset sequence */
3059
b095c381 3060 ipw_write_reg32(priv, IPW_MEM_HALT_AND_RESET, IPW_BIT_HALT_RESET_ON);
43f66a6c 3061 ipw_arc_release(priv);
b095c381 3062 ipw_write_reg32(priv, IPW_MEM_HALT_AND_RESET, IPW_BIT_HALT_RESET_OFF);
43f66a6c
JK		 3063 mdelay(1);
3064
3065 /* reset PHY */
b095c381 3066 ipw_write_reg32(priv, IPW_INTERNAL_CMD_EVENT, IPW_BASEBAND_POWER_DOWN);
43f66a6c 3067 mdelay(1);
bf79451e 3068
b095c381 3069 ipw_write_reg32(priv, IPW_INTERNAL_CMD_EVENT, 0);
43f66a6c 3070 mdelay(1);
bf79451e 3071
43f66a6c 3072 /* enable ucode store */
c8fe6679
ZY		 3073 ipw_write_reg8(priv, IPW_BASEBAND_CONTROL_STATUS, 0x0);
3074 ipw_write_reg8(priv, IPW_BASEBAND_CONTROL_STATUS, DINO_ENABLE_CS);
43f66a6c
JK		 3075 mdelay(1);
3076
3077 /* write ucode */
3078 /**
3079 * @bug
3080 * Do NOT set indirect address register once and then
3081 * store data to indirect data register in the loop.
3082 * It seems very reasonable, but in this case DINO do not
3083 * accept ucode. It is essential to set address each time.
3084 */
3085 /* load new ipw uCode */
3086 for (i = 0; i < len / 2; i++)
b095c381 3087 ipw_write_reg16(priv, IPW_BASEBAND_CONTROL_STORE,
e62e1ee0 3088 le16_to_cpu(image[i]));
43f66a6c 3089
43f66a6c 3090 /* enable DINO */
b095c381
JK		 3091 ipw_write_reg8(priv, IPW_BASEBAND_CONTROL_STATUS, 0);
3092 ipw_write_reg8(priv, IPW_BASEBAND_CONTROL_STATUS, DINO_ENABLE_SYSTEM);
43f66a6c 3093
0edd5b44 3094 /* this is where the igx / win driver deveates from the VAP driver. */
43f66a6c
JK		 3095
3096 /* wait for alive response */
3097 for (i = 0; i < 100; i++) {
3098 /* poll for incoming data */
b095c381 3099 cr = ipw_read_reg8(priv, IPW_BASEBAND_CONTROL_STATUS);
43f66a6c
JK		 3100 if (cr & DINO_RXFIFO_DATA)
3101 break;
3102 mdelay(1);
3103 }
3104
3105 if (cr & DINO_RXFIFO_DATA) {
3106 /* alive_command_responce size is NOT multiple of 4 */
e62e1ee0 3107 __le32 response_buffer[(sizeof(priv->dino_alive) + 3) / 4];
bf79451e
JG		 3108
3109 for (i = 0; i < ARRAY_SIZE(response_buffer); i++)
43f66a6c 3110 response_buffer[i] =
e62e1ee0 3111 cpu_to_le32(ipw_read_reg32(priv,
b095c381 3112 IPW_BASEBAND_RX_FIFO_READ));
43f66a6c
JK		 3113 memcpy(&priv->dino_alive, response_buffer,
3114 sizeof(priv->dino_alive));
3115 if (priv->dino_alive.alive_command == 1
3116 && priv->dino_alive.ucode_valid == 1) {
3117 rc = 0;
0edd5b44
JG		 3118 IPW_DEBUG_INFO
3119 ("Microcode OK, rev. %d (0x%x) dev. %d (0x%x) "
3120 "of %02d/%02d/%02d %02d:%02d\n",
3121 priv->dino_alive.software_revision,
3122 priv->dino_alive.software_revision,
3123 priv->dino_alive.device_identifier,
3124 priv->dino_alive.device_identifier,
3125 priv->dino_alive.time_stamp[0],
3126 priv->dino_alive.time_stamp[1],
3127 priv->dino_alive.time_stamp[2],
3128 priv->dino_alive.time_stamp[3],
3129 priv->dino_alive.time_stamp[4]);
43f66a6c
JK		 3130 } else {
3131 IPW_DEBUG_INFO("Microcode is not alive\n");
3132 rc = -EINVAL;
3133 }
3134 } else {
3135 IPW_DEBUG_INFO("No alive response from DINO\n");
3136 rc = -ETIME;
3137 }
3138
3139 /* disable DINO, otherwise for some reason
3140 firmware have problem getting alive resp. */
b095c381 3141 ipw_write_reg8(priv, IPW_BASEBAND_CONTROL_STATUS, 0);
43f66a6c 3142
43f66a6c
JK		 3143 return rc;
3144}
3145
0edd5b44 3146static int ipw_load_firmware(struct ipw_priv *priv, u8 * data, size_t len)
43f66a6c
JK		 3147{
3148 int rc = -1;
3149 int offset = 0;
3150 struct fw_chunk *chunk;
3151 dma_addr_t shared_phys;
3152 u8 *shared_virt;
3153
3154 IPW_DEBUG_TRACE("<< : \n");
3155 shared_virt = pci_alloc_consistent(priv->pci_dev, len, &shared_phys);
3156
3157 if (!shared_virt)
3158 return -ENOMEM;
3159
3160 memmove(shared_virt, data, len);
3161
3162 /* Start the Dma */
3163 rc = ipw_fw_dma_enable(priv);
3164
3165 if (priv->sram_desc.last_cb_index > 0) {
3166 /* the DMA is already ready this would be a bug. */
3167 BUG();
3168 goto out;
3169 }
3170
3171 do {
3172 chunk = (struct fw_chunk *)(data + offset);
3173 offset += sizeof(struct fw_chunk);
3174 /* build DMA packet and queue up for sending */
bf79451e 3175 /* dma to chunk->address, the chunk->length bytes from data +
43f66a6c
JK		 3176 * offeset*/
3177 /* Dma loading */
3178 rc = ipw_fw_dma_add_buffer(priv, shared_phys + offset,
a613bffd
JK		 3179 le32_to_cpu(chunk->address),
3180 le32_to_cpu(chunk->length));
43f66a6c
JK		 3181 if (rc) {
3182 IPW_DEBUG_INFO("dmaAddBuffer Failed\n");
3183 goto out;
3184 }
bf79451e 3185
a613bffd 3186 offset += le32_to_cpu(chunk->length);
43f66a6c
JK		 3187 } while (offset < len);
3188
0edd5b44 3189 /* Run the DMA and wait for the answer */
43f66a6c
JK		 3190 rc = ipw_fw_dma_kick(priv);
3191 if (rc) {
3192 IPW_ERROR("dmaKick Failed\n");
3193 goto out;
3194 }
3195
3196 rc = ipw_fw_dma_wait(priv);
3197 if (rc) {
3198 IPW_ERROR("dmaWaitSync Failed\n");
3199 goto out;
3200 }
0edd5b44
JG		 3201 out:
3202 pci_free_consistent(priv->pci_dev, len, shared_virt, shared_phys);
43f66a6c
JK		 3203 return rc;
3204}
3205
3206/* stop nic */
3207static int ipw_stop_nic(struct ipw_priv *priv)
3208{
3209 int rc = 0;
3210
0edd5b44 3211 /* stop */
b095c381 3212 ipw_write32(priv, IPW_RESET_REG, IPW_RESET_REG_STOP_MASTER);
bf79451e 3213
b095c381
JK		 3214 rc = ipw_poll_bit(priv, IPW_RESET_REG,
3215 IPW_RESET_REG_MASTER_DISABLED, 500);
43f66a6c 3216 if (rc < 0) {
c7b6a674 3217 IPW_ERROR("wait for reg master disabled failed after 500ms\n");
43f66a6c 3218 return rc;
bf79451e 3219 }
43f66a6c 3220
b095c381 3221 ipw_set_bit(priv, IPW_RESET_REG, CBD_RESET_REG_PRINCETON_RESET);
bf79451e 3222
43f66a6c
JK		 3223 return rc;
3224}
3225
3226static void ipw_start_nic(struct ipw_priv *priv)
3227{
3228 IPW_DEBUG_TRACE(">>\n");
3229
0edd5b44 3230 /* prvHwStartNic release ARC */
b095c381
JK		 3231 ipw_clear_bit(priv, IPW_RESET_REG,
3232 IPW_RESET_REG_MASTER_DISABLED |
3233 IPW_RESET_REG_STOP_MASTER |
43f66a6c 3234 CBD_RESET_REG_PRINCETON_RESET);
bf79451e 3235
43f66a6c 3236 /* enable power management */
b095c381
JK		 3237 ipw_set_bit(priv, IPW_GP_CNTRL_RW,
3238 IPW_GP_CNTRL_BIT_HOST_ALLOWS_STANDBY);
43f66a6c
JK		 3239
3240 IPW_DEBUG_TRACE("<<\n");
3241}
bf79451e 3242
43f66a6c
JK		 3243static int ipw_init_nic(struct ipw_priv *priv)
3244{
3245 int rc;
3246
3247 IPW_DEBUG_TRACE(">>\n");
bf79451e 3248 /* reset */
43f66a6c
JK		 3249 /*prvHwInitNic */
3250 /* set "initialization complete" bit to move adapter to D0 state */
b095c381 3251 ipw_set_bit(priv, IPW_GP_CNTRL_RW, IPW_GP_CNTRL_BIT_INIT_DONE);
43f66a6c
JK		 3252
3253 /* low-level PLL activation */
b095c381
JK		 3254 ipw_write32(priv, IPW_READ_INT_REGISTER,
3255 IPW_BIT_INT_HOST_SRAM_READ_INT_REGISTER);
43f66a6c
JK		 3256
3257 /* wait for clock stabilization */
b095c381
JK		 3258 rc = ipw_poll_bit(priv, IPW_GP_CNTRL_RW,
3259 IPW_GP_CNTRL_BIT_CLOCK_READY, 250);
0edd5b44 3260 if (rc < 0)
43f66a6c
JK		 3261 IPW_DEBUG_INFO("FAILED wait for clock stablization\n");
3262
3263 /* assert SW reset */
b095c381 3264 ipw_set_bit(priv, IPW_RESET_REG, IPW_RESET_REG_SW_RESET);
43f66a6c
JK		 3265
3266 udelay(10);
3267
3268 /* set "initialization complete" bit to move adapter to D0 state */
b095c381 3269 ipw_set_bit(priv, IPW_GP_CNTRL_RW, IPW_GP_CNTRL_BIT_INIT_DONE);
43f66a6c
JK		 3270
3271 IPW_DEBUG_TRACE(">>\n");
3272 return 0;
3273}
3274
bf79451e 3275/* Call this function from process context, it will sleep in request_firmware.
43f66a6c
JK		 3276 * Probe is an ok place to call this from.
3277 */
3278static int ipw_reset_nic(struct ipw_priv *priv)
3279{
3280 int rc = 0;
a613bffd 3281 unsigned long flags;
43f66a6c
JK		 3282
3283 IPW_DEBUG_TRACE(">>\n");
bf79451e 3284
43f66a6c 3285 rc = ipw_init_nic(priv);
bf79451e 3286
a613bffd 3287 spin_lock_irqsave(&priv->lock, flags);
43f66a6c
JK		 3288 /* Clear the 'host command active' bit... */
3289 priv->status &= ~STATUS_HCMD_ACTIVE;
3290 wake_up_interruptible(&priv->wait_command_queue);
afbf30a2
JK		 3291 priv->status &= ~(STATUS_SCANNING | STATUS_SCAN_ABORTING);
3292 wake_up_interruptible(&priv->wait_state);
a613bffd 3293 spin_unlock_irqrestore(&priv->lock, flags);
43f66a6c
JK		 3294
3295 IPW_DEBUG_TRACE("<<\n");
3296 return rc;
bf79451e 3297}
43f66a6c 3298
9006ea75
JK		 3299
3300struct ipw_fw {
0070f8c7
ZY		 3301 __le32 ver;
3302 __le32 boot_size;
3303 __le32 ucode_size;
3304 __le32 fw_size;
9006ea75
JK		 3305 u8 data[0];
3306};
3307
bf79451e 3308static int ipw_get_fw(struct ipw_priv *priv,
9006ea75 3309 const struct firmware **raw, const char *name)
43f66a6c 3310{
9006ea75 3311 struct ipw_fw *fw;
43f66a6c
JK		 3312 int rc;
3313
3314 /* ask firmware_class module to get the boot firmware off disk */
9006ea75 3315 rc = request_firmware(raw, name, &priv->pci_dev->dev);
43f66a6c 3316 if (rc < 0) {
9006ea75 3317 IPW_ERROR("%s request_firmware failed: Reason %d\n", name, rc);
43f66a6c 3318 return rc;
bf79451e 3319 }
43f66a6c 3320
9006ea75
JK		 3321 if ((*raw)->size < sizeof(*fw)) {
3322 IPW_ERROR("%s is too small (%zd)\n", name, (*raw)->size);
3323 return -EINVAL;
3324 }
3325
3326 fw = (void *)(*raw)->data;
3327
0070f8c7
ZY		 3328 if ((*raw)->size < sizeof(*fw) + le32_to_cpu(fw->boot_size) +
3329 le32_to_cpu(fw->ucode_size) + le32_to_cpu(fw->fw_size)) {
9006ea75
JK		 3330 IPW_ERROR("%s is too small or corrupt (%zd)\n",
3331 name, (*raw)->size);
43f66a6c
JK		 3332 return -EINVAL;
3333 }
3334
9006ea75 3335 IPW_DEBUG_INFO("Read firmware '%s' image v%d.%d (%zd bytes)\n",
43f66a6c 3336 name,
9006ea75
JK		 3337 le32_to_cpu(fw->ver) >> 16,
3338 le32_to_cpu(fw->ver) & 0xff,
3339 (*raw)->size - sizeof(*fw));
43f66a6c
JK		 3340 return 0;
3341}
3342
b095c381 3343#define IPW_RX_BUF_SIZE (3000)
43f66a6c 3344
858119e1 3345static void ipw_rx_queue_reset(struct ipw_priv *priv,
43f66a6c
JK		 3346 struct ipw_rx_queue *rxq)
3347{
3348 unsigned long flags;
3349 int i;
3350
3351 spin_lock_irqsave(&rxq->lock, flags);
3352
3353 INIT_LIST_HEAD(&rxq->rx_free);
3354 INIT_LIST_HEAD(&rxq->rx_used);
3355
3356 /* Fill the rx_used queue with _all_ of the Rx buffers */
3357 for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) {
3358 /* In the reset function, these buffers may have been allocated
3359 * to an SKB, so we need to unmap and free potential storage */
3360 if (rxq->pool[i].skb != NULL) {
3361 pci_unmap_single(priv->pci_dev, rxq->pool[i].dma_addr,
b095c381 3362 IPW_RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
43f66a6c 3363 dev_kfree_skb(rxq->pool[i].skb);
a613bffd 3364 rxq->pool[i].skb = NULL;
43f66a6c
JK		 3365 }
3366 list_add_tail(&rxq->pool[i].list, &rxq->rx_used);
3367 }
bf79451e 3368
43f66a6c
JK		 3369 /* Set us so that we have processed and used all buffers, but have
3370 * not restocked the Rx queue with fresh buffers */
3371 rxq->read = rxq->write = 0;
43f66a6c
JK		 3372 rxq->free_count = 0;
3373 spin_unlock_irqrestore(&rxq->lock, flags);
3374}
3375
3376#ifdef CONFIG_PM
3377static int fw_loaded = 0;
9006ea75 3378static const struct firmware *raw = NULL;
afbf30a2
JK		 3379
3380static void free_firmware(void)
3381{
3382 if (fw_loaded) {
9006ea75
JK		 3383 release_firmware(raw);
3384 raw = NULL;
afbf30a2
JK		 3385 fw_loaded = 0;
3386 }
3387}
3388#else
3389#define free_firmware() do {} while (0)
43f66a6c
JK		 3390#endif
3391
3392static int ipw_load(struct ipw_priv *priv)
3393{
3394#ifndef CONFIG_PM
9006ea75 3395 const struct firmware *raw = NULL;
43f66a6c 3396#endif
9006ea75
JK		 3397 struct ipw_fw *fw;
3398 u8 *boot_img, *ucode_img, *fw_img;
3399 u8 *name = NULL;
43f66a6c
JK		 3400 int rc = 0, retries = 3;
3401
397ae121
ZY		 3402 switch (priv->ieee->iw_mode) {
3403 case IW_MODE_ADHOC:
9006ea75 3404 name = "ipw2200-ibss.fw";
397ae121 3405 break;
b095c381 3406#ifdef CONFIG_IPW2200_MONITOR
397ae121 3407 case IW_MODE_MONITOR:
9006ea75 3408 name = "ipw2200-sniffer.fw";
397ae121 3409 break;
43f66a6c 3410#endif
397ae121 3411 case IW_MODE_INFRA:
9006ea75 3412 name = "ipw2200-bss.fw";
397ae121 3413 break;
9006ea75
JK		 3414 }
3415
3416 if (!name) {
397ae121 3417 rc = -EINVAL;
9006ea75
JK		 3418 goto error;
3419 }
3420
3421#ifdef CONFIG_PM
3422 if (!fw_loaded) {
3423#endif
3424 rc = ipw_get_fw(priv, &raw, name);
3425 if (rc < 0)
3426 goto error;
3427#ifdef CONFIG_PM
43f66a6c 3428 }
9006ea75
JK		 3429#endif
3430
3431 fw = (void *)raw->data;
3432 boot_img = &fw->data[0];
0070f8c7
ZY		 3433 ucode_img = &fw->data[le32_to_cpu(fw->boot_size)];
3434 fw_img = &fw->data[le32_to_cpu(fw->boot_size) +
3435 le32_to_cpu(fw->ucode_size)];
397ae121
ZY		 3436
3437 if (rc < 0)
3438 goto error;
43f66a6c
JK		 3439
3440 if (!priv->rxq)
3441 priv->rxq = ipw_rx_queue_alloc(priv);
3442 else
3443 ipw_rx_queue_reset(priv, priv->rxq);
3444 if (!priv->rxq) {
3445 IPW_ERROR("Unable to initialize Rx queue\n");
3446 goto error;
3447 }
3448
0edd5b44 3449 retry:
43f66a6c 3450 /* Ensure interrupts are disabled */
b095c381 3451 ipw_write32(priv, IPW_INTA_MASK_R, ~IPW_INTA_MASK_ALL);
43f66a6c
JK		 3452 priv->status &= ~STATUS_INT_ENABLED;
3453
3454 /* ack pending interrupts */
b095c381 3455 ipw_write32(priv, IPW_INTA_RW, IPW_INTA_MASK_ALL);
bf79451e 3456
43f66a6c
JK		 3457 ipw_stop_nic(priv);
3458
3459 rc = ipw_reset_nic(priv);
397ae121 3460 if (rc < 0) {
43f66a6c
JK		 3461 IPW_ERROR("Unable to reset NIC\n");
3462 goto error;
3463 }
3464
b095c381
JK		 3465 ipw_zero_memory(priv, IPW_NIC_SRAM_LOWER_BOUND,
3466 IPW_NIC_SRAM_UPPER_BOUND - IPW_NIC_SRAM_LOWER_BOUND);
43f66a6c
JK		 3467
3468 /* DMA the initial boot firmware into the device */
0070f8c7 3469 rc = ipw_load_firmware(priv, boot_img, le32_to_cpu(fw->boot_size));
43f66a6c 3470 if (rc < 0) {
a4f6bbb3 3471 IPW_ERROR("Unable to load boot firmware: %d\n", rc);
43f66a6c
JK		 3472 goto error;
3473 }
3474
3475 /* kick start the device */
3476 ipw_start_nic(priv);
3477
c7b6a674 3478 /* wait for the device to finish its initial startup sequence */
b095c381
JK		 3479 rc = ipw_poll_bit(priv, IPW_INTA_RW,
3480 IPW_INTA_BIT_FW_INITIALIZATION_DONE, 500);
43f66a6c
JK		 3481 if (rc < 0) {
3482 IPW_ERROR("device failed to boot initial fw image\n");
3483 goto error;
3484 }
3485 IPW_DEBUG_INFO("initial device response after %dms\n", rc);
3486
bf79451e 3487 /* ack fw init done interrupt */
b095c381 3488 ipw_write32(priv, IPW_INTA_RW, IPW_INTA_BIT_FW_INITIALIZATION_DONE);
43f66a6c
JK		 3489
3490 /* DMA the ucode into the device */
0070f8c7 3491 rc = ipw_load_ucode(priv, ucode_img, le32_to_cpu(fw->ucode_size));
43f66a6c 3492 if (rc < 0) {
a4f6bbb3 3493 IPW_ERROR("Unable to load ucode: %d\n", rc);
43f66a6c
JK		 3494 goto error;
3495 }
bf79451e 3496
43f66a6c
JK		 3497 /* stop nic */
3498 ipw_stop_nic(priv);
3499
3500 /* DMA bss firmware into the device */
0070f8c7 3501 rc = ipw_load_firmware(priv, fw_img, le32_to_cpu(fw->fw_size));
0edd5b44 3502 if (rc < 0) {
a4f6bbb3 3503 IPW_ERROR("Unable to load firmware: %d\n", rc);
43f66a6c
JK		 3504 goto error;
3505 }
397ae121
ZY		 3506#ifdef CONFIG_PM
3507 fw_loaded = 1;
3508#endif
3509
43f66a6c
JK		 3510 ipw_write32(priv, IPW_EEPROM_LOAD_DISABLE, 0);
3511
3512 rc = ipw_queue_reset(priv);
397ae121 3513 if (rc < 0) {
43f66a6c
JK		 3514 IPW_ERROR("Unable to initialize queues\n");
3515 goto error;
3516 }
3517
3518 /* Ensure interrupts are disabled */
b095c381 3519 ipw_write32(priv, IPW_INTA_MASK_R, ~IPW_INTA_MASK_ALL);
c848d0af 3520 /* ack pending interrupts */
b095c381 3521 ipw_write32(priv, IPW_INTA_RW, IPW_INTA_MASK_ALL);
bf79451e 3522
43f66a6c
JK		 3523 /* kick start the device */
3524 ipw_start_nic(priv);
3525
b095c381 3526 if (ipw_read32(priv, IPW_INTA_RW) & IPW_INTA_BIT_PARITY_ERROR) {
43f66a6c
JK		 3527 if (retries > 0) {
3528 IPW_WARNING("Parity error. Retrying init.\n");
3529 retries--;
3530 goto retry;
3531 }
3532
3533 IPW_ERROR("TODO: Handle parity error -- schedule restart?\n");
3534 rc = -EIO;
3535 goto error;
3536 }
3537
3538 /* wait for the device */
b095c381
JK		 3539 rc = ipw_poll_bit(priv, IPW_INTA_RW,
3540 IPW_INTA_BIT_FW_INITIALIZATION_DONE, 500);
43f66a6c 3541 if (rc < 0) {
c7b6a674 3542 IPW_ERROR("device failed to start within 500ms\n");
43f66a6c
JK		 3543 goto error;
3544 }
3545 IPW_DEBUG_INFO("device response after %dms\n", rc);
3546
3547 /* ack fw init done interrupt */
b095c381 3548 ipw_write32(priv, IPW_INTA_RW, IPW_INTA_BIT_FW_INITIALIZATION_DONE);
43f66a6c
JK		 3549
3550 /* read eeprom data and initialize the eeprom region of sram */
3551 priv->eeprom_delay = 1;
bf79451e 3552 ipw_eeprom_init_sram(priv);
43f66a6c
JK		 3553
3554 /* enable interrupts */
3555 ipw_enable_interrupts(priv);
3556
3557 /* Ensure our queue has valid packets */
3558 ipw_rx_queue_replenish(priv);
3559
b095c381 3560 ipw_write32(priv, IPW_RX_READ_INDEX, priv->rxq->read);
43f66a6c
JK		 3561
3562 /* ack pending interrupts */
b095c381 3563 ipw_write32(priv, IPW_INTA_RW, IPW_INTA_MASK_ALL);
43f66a6c
JK		 3564
3565#ifndef CONFIG_PM
9006ea75 3566 release_firmware(raw);
43f66a6c
JK		 3567#endif
3568 return 0;
3569
0edd5b44 3570 error:
43f66a6c
JK		 3571 if (priv->rxq) {
3572 ipw_rx_queue_free(priv, priv->rxq);
3573 priv->rxq = NULL;
3574 }
3575 ipw_tx_queue_free(priv);
9006ea75
JK		 3576 if (raw)
3577 release_firmware(raw);
43f66a6c
JK		 3578#ifdef CONFIG_PM
3579 fw_loaded = 0;
9006ea75 3580 raw = NULL;
43f66a6c
JK		 3581#endif
3582
3583 return rc;
3584}
3585
bf79451e 3586/**
43f66a6c
JK		 3587 * DMA services
3588 *
3589 * Theory of operation
3590 *
3591 * A queue is a circular buffers with 'Read' and 'Write' pointers.
3592 * 2 empty entries always kept in the buffer to protect from overflow.
3593 *
3594 * For Tx queue, there are low mark and high mark limits. If, after queuing
bf79451e
JG		 3595 * the packet for Tx, free space become < low mark, Tx queue stopped. When
3596 * reclaiming packets (on 'tx done IRQ), if free space become > high mark,
43f66a6c
JK		 3597 * Tx queue resumed.
3598 *
3599 * The IPW operates with six queues, one receive queue in the device's
3600 * sram, one transmit queue for sending commands to the device firmware,
bf79451e 3601 * and four transmit queues for data.
43f66a6c 3602 *
bf79451e 3603 * The four transmit queues allow for performing quality of service (qos)
43f66a6c 3604 * transmissions as per the 802.11 protocol. Currently Linux does not
bf79451e 3605 * provide a mechanism to the user for utilizing prioritized queues, so
43f66a6c
JK		 3606 * we only utilize the first data transmit queue (queue1).
3607 */
3608
3609/**
3610 * Driver allocates buffers of this size for Rx
3611 */
3612
943dbef4
DW		 3613/**
3614 * ipw_rx_queue_space - Return number of free slots available in queue.
3615 */
3616static int ipw_rx_queue_space(const struct ipw_rx_queue *q)
3617{
3618 int s = q->read - q->write;
3619 if (s <= 0)
3620 s += RX_QUEUE_SIZE;
3621 /* keep some buffer to not confuse full and empty queue */
3622 s -= 2;
3623 if (s < 0)
3624 s = 0;
3625 return s;
3626}
3627
3628static inline int ipw_tx_queue_space(const struct clx2_queue *q)
43f66a6c
JK		 3629{
3630 int s = q->last_used - q->first_empty;
3631 if (s <= 0)
3632 s += q->n_bd;
3633 s -= 2; /* keep some reserve to not confuse empty and full situations */
3634 if (s < 0)
3635 s = 0;
3636 return s;
3637}
3638
3639static inline int ipw_queue_inc_wrap(int index, int n_bd)
3640{
3641 return (++index == n_bd) ? 0 : index;
3642}
3643
3644/**
3645 * Initialize common DMA queue structure
bf79451e 3646 *
43f66a6c
JK		 3647 * @param q queue to init
3648 * @param count Number of BD's to allocate. Should be power of 2
3649 * @param read_register Address for 'read' register
3650 * (not offset within BAR, full address)
3651 * @param write_register Address for 'write' register
3652 * (not offset within BAR, full address)
3653 * @param base_register Address for 'base' register
3654 * (not offset within BAR, full address)
3655 * @param size Address for 'size' register
3656 * (not offset within BAR, full address)
3657 */
bf79451e 3658static void ipw_queue_init(struct ipw_priv *priv, struct clx2_queue *q,
0edd5b44 3659 int count, u32 read, u32 write, u32 base, u32 size)
43f66a6c
JK		 3660{
3661 q->n_bd = count;
3662
3663 q->low_mark = q->n_bd / 4;
3664 if (q->low_mark < 4)
3665 q->low_mark = 4;
3666
3667 q->high_mark = q->n_bd / 8;
3668 if (q->high_mark < 2)
3669 q->high_mark = 2;
3670
3671 q->first_empty = q->last_used = 0;
3672 q->reg_r = read;
3673 q->reg_w = write;
3674
3675 ipw_write32(priv, base, q->dma_addr);
3676 ipw_write32(priv, size, count);
3677 ipw_write32(priv, read, 0);
3678 ipw_write32(priv, write, 0);
3679
3680 _ipw_read32(priv, 0x90);
3681}
3682
bf79451e 3683static int ipw_queue_tx_init(struct ipw_priv *priv,
43f66a6c 3684 struct clx2_tx_queue *q,
0edd5b44 3685 int count, u32 read, u32 write, u32 base, u32 size)
43f66a6c
JK		 3686{
3687 struct pci_dev *dev = priv->pci_dev;
3688
3689 q->txb = kmalloc(sizeof(q->txb[0]) * count, GFP_KERNEL);
3690 if (!q->txb) {
3691 IPW_ERROR("vmalloc for auxilary BD structures failed\n");
3692 return -ENOMEM;
3693 }
3694
0edd5b44
JG		 3695 q->bd =
3696 pci_alloc_consistent(dev, sizeof(q->bd[0]) * count, &q->q.dma_addr);
43f66a6c 3697 if (!q->bd) {
aaa4d308 3698 IPW_ERROR("pci_alloc_consistent(%zd) failed\n",
0edd5b44 3699 sizeof(q->bd[0]) * count);
43f66a6c
JK		 3700 kfree(q->txb);
3701 q->txb = NULL;
3702 return -ENOMEM;
3703 }
3704
3705 ipw_queue_init(priv, &q->q, count, read, write, base, size);
3706 return 0;
3707}
3708
3709/**
3710 * Free one TFD, those at index [txq->q.last_used].
3711 * Do NOT advance any indexes
bf79451e 3712 *
43f66a6c
JK		 3713 * @param dev
3714 * @param txq
3715 */
3716static void ipw_queue_tx_free_tfd(struct ipw_priv *priv,
3717 struct clx2_tx_queue *txq)
3718{
3719 struct tfd_frame *bd = &txq->bd[txq->q.last_used];
3720 struct pci_dev *dev = priv->pci_dev;
3721 int i;
bf79451e 3722
43f66a6c
JK		 3723 /* classify bd */
3724 if (bd->control_flags.message_type == TX_HOST_COMMAND_TYPE)
3725 /* nothing to cleanup after for host commands */
3726 return;
3727
3728 /* sanity check */
a613bffd
JK		 3729 if (le32_to_cpu(bd->u.data.num_chunks) > NUM_TFD_CHUNKS) {
3730 IPW_ERROR("Too many chunks: %i\n",
3731 le32_to_cpu(bd->u.data.num_chunks));
43f66a6c
JK		 3732 /** @todo issue fatal error, it is quite serious situation */
3733 return;
3734 }
3735
3736 /* unmap chunks if any */
a613bffd
JK		 3737 for (i = 0; i < le32_to_cpu(bd->u.data.num_chunks); i++) {
3738 pci_unmap_single(dev, le32_to_cpu(bd->u.data.chunk_ptr[i]),
3739 le16_to_cpu(bd->u.data.chunk_len[i]),
3740 PCI_DMA_TODEVICE);
43f66a6c
JK		 3741 if (txq->txb[txq->q.last_used]) {
3742 ieee80211_txb_free(txq->txb[txq->q.last_used]);
3743 txq->txb[txq->q.last_used] = NULL;
3744 }
3745 }
3746}
3747
3748/**
3749 * Deallocate DMA queue.
bf79451e 3750 *
43f66a6c
JK		 3751 * Empty queue by removing and destroying all BD's.
3752 * Free all buffers.
bf79451e 3753 *
43f66a6c
JK		 3754 * @param dev
3755 * @param q
3756 */
0edd5b44 3757static void ipw_queue_tx_free(struct ipw_priv *priv, struct clx2_tx_queue *txq)
43f66a6c
JK		 3758{
3759 struct clx2_queue *q = &txq->q;
3760 struct pci_dev *dev = priv->pci_dev;
3761
bf79451e
JG		 3762 if (q->n_bd == 0)
3763 return;
43f66a6c
JK		 3764
3765 /* first, empty all BD's */
3766 for (; q->first_empty != q->last_used;
3767 q->last_used = ipw_queue_inc_wrap(q->last_used, q->n_bd)) {
3768 ipw_queue_tx_free_tfd(priv, txq);
3769 }
bf79451e 3770
43f66a6c 3771 /* free buffers belonging to queue itself */
0edd5b44 3772 pci_free_consistent(dev, sizeof(txq->bd[0]) * q->n_bd, txq->bd,
43f66a6c
JK		 3773 q->dma_addr);
3774 kfree(txq->txb);
3775
3776 /* 0 fill whole structure */
3777 memset(txq, 0, sizeof(*txq));
3778}
3779
43f66a6c
JK		 3780/**
3781 * Destroy all DMA queues and structures
bf79451e 3782 *
43f66a6c
JK		 3783 * @param priv
3784 */
3785static void ipw_tx_queue_free(struct ipw_priv *priv)
3786{
3787 /* Tx CMD queue */
3788 ipw_queue_tx_free(priv, &priv->txq_cmd);
3789
3790 /* Tx queues */
3791 ipw_queue_tx_free(priv, &priv->txq[0]);
3792 ipw_queue_tx_free(priv, &priv->txq[1]);
3793 ipw_queue_tx_free(priv, &priv->txq[2]);
3794 ipw_queue_tx_free(priv, &priv->txq[3]);
3795}
3796
858119e1 3797static void ipw_create_bssid(struct ipw_priv *priv, u8 * bssid)
43f66a6c
JK		 3798{
3799 /* First 3 bytes are manufacturer */
3800 bssid[0] = priv->mac_addr[0];
3801 bssid[1] = priv->mac_addr[1];
3802 bssid[2] = priv->mac_addr[2];
3803
3804 /* Last bytes are random */
0edd5b44 3805 get_random_bytes(&bssid[3], ETH_ALEN - 3);
43f66a6c 3806
0edd5b44
JG		 3807 bssid[0] &= 0xfe; /* clear multicast bit */
3808 bssid[0] |= 0x02; /* set local assignment bit (IEEE802) */
43f66a6c
JK		 3809}
3810
858119e1 3811static u8 ipw_add_station(struct ipw_priv *priv, u8 * bssid)
43f66a6c
JK		 3812{
3813 struct ipw_station_entry entry;
3814 int i;
3815
3816 for (i = 0; i < priv->num_stations; i++) {
3817 if (!memcmp(priv->stations[i], bssid, ETH_ALEN)) {
3818 /* Another node is active in network */
3819 priv->missed_adhoc_beacons = 0;
3820 if (!(priv->config & CFG_STATIC_CHANNEL))
3821 /* when other nodes drop out, we drop out */
3822 priv->config &= ~CFG_ADHOC_PERSIST;
3823
3824 return i;
3825 }
3826 }
3827
3828 if (i == MAX_STATIONS)
3829 return IPW_INVALID_STATION;
3830
e174961c 3831 IPW_DEBUG_SCAN("Adding AdHoc station: %pM\n", bssid);
43f66a6c
JK		 3832
3833 entry.reserved = 0;
3834 entry.support_mode = 0;
3835 memcpy(entry.mac_addr, bssid, ETH_ALEN);
3836 memcpy(priv->stations[i], bssid, ETH_ALEN);
3837 ipw_write_direct(priv, IPW_STATION_TABLE_LOWER + i * sizeof(entry),
0edd5b44 3838 &entry, sizeof(entry));
43f66a6c
JK		 3839 priv->num_stations++;
3840
3841 return i;
3842}
3843
858119e1 3844static u8 ipw_find_station(struct ipw_priv *priv, u8 * bssid)
43f66a6c
JK		 3845{
3846 int i;
3847
bf79451e
JG		 3848 for (i = 0; i < priv->num_stations; i++)
3849 if (!memcmp(priv->stations[i], bssid, ETH_ALEN))
43f66a6c
JK		 3850 return i;
3851
3852 return IPW_INVALID_STATION;
3853}
3854
3855static void ipw_send_disassociate(struct ipw_priv *priv, int quiet)
3856{
3857 int err;
3858
7b99659f
HL		 3859 if (priv->status & STATUS_ASSOCIATING) {
3860 IPW_DEBUG_ASSOC("Disassociating while associating.\n");
3861 queue_work(priv->workqueue, &priv->disassociate);
3862 return;
3863 }
3864
3865 if (!(priv->status & STATUS_ASSOCIATED)) {
43f66a6c
JK		 3866 IPW_DEBUG_ASSOC("Disassociating while not associated.\n");
3867 return;
3868 }
3869
e174961c 3870 IPW_DEBUG_ASSOC("Disassocation attempt from %pM "
43f66a6c 3871 "on channel %d.\n",
e174961c 3872 priv->assoc_request.bssid,
43f66a6c
JK		 3873 priv->assoc_request.channel);
3874
3875 priv->status &= ~(STATUS_ASSOCIATING | STATUS_ASSOCIATED);
3876 priv->status |= STATUS_DISASSOCIATING;
3877
3878 if (quiet)
3879 priv->assoc_request.assoc_type = HC_DISASSOC_QUIET;
3880 else
3881 priv->assoc_request.assoc_type = HC_DISASSOCIATE;
e6324726 3882
43f66a6c
JK		 3883 err = ipw_send_associate(priv, &priv->assoc_request);
3884 if (err) {
3885 IPW_DEBUG_HC("Attempt to send [dis]associate command "
3886 "failed.\n");
3887 return;
3888 }
3889
3890}
3891
c848d0af 3892static int ipw_disassociate(void *data)
43f66a6c 3893{
c848d0af
JK		 3894 struct ipw_priv *priv = data;
3895 if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)))
3896 return 0;
43f66a6c 3897 ipw_send_disassociate(data, 0);
c848d0af 3898 return 1;
43f66a6c
JK		 3899}
3900
c4028958 3901static void ipw_bg_disassociate(struct work_struct *work)
43f66a6c 3902{
c4028958
DH		 3903 struct ipw_priv *priv =
3904 container_of(work, struct ipw_priv, disassociate);
4644151b 3905 mutex_lock(&priv->mutex);
c4028958 3906 ipw_disassociate(priv);
4644151b 3907 mutex_unlock(&priv->mutex);
43f66a6c
JK		 3908}
3909
c4028958 3910static void ipw_system_config(struct work_struct *work)
d8bad6df 3911{
c4028958
DH		 3912 struct ipw_priv *priv =
3913 container_of(work, struct ipw_priv, system_config);
d685b8c2
ZY		 3914
3915#ifdef CONFIG_IPW2200_PROMISCUOUS
3916 if (priv->prom_net_dev && netif_running(priv->prom_net_dev)) {
3917 priv->sys_config.accept_all_data_frames = 1;
3918 priv->sys_config.accept_non_directed_frames = 1;
3919 priv->sys_config.accept_all_mgmt_bcpr = 1;
3920 priv->sys_config.accept_all_mgmt_frames = 1;
3921 }
3922#endif
3923
3924 ipw_send_system_config(priv);
43f66a6c
JK		 3925}
3926
3927struct ipw_status_code {
3928 u16 status;
3929 const char *reason;
3930};
3931
3932static const struct ipw_status_code ipw_status_codes[] = {
3933 {0x00, "Successful"},
3934 {0x01, "Unspecified failure"},
3935 {0x0A, "Cannot support all requested capabilities in the "
3936 "Capability information field"},
3937 {0x0B, "Reassociation denied due to inability to confirm that "
3938 "association exists"},
3939 {0x0C, "Association denied due to reason outside the scope of this "
3940 "standard"},
0edd5b44
JG		 3941 {0x0D,
3942 "Responding station does not support the specified authentication "
43f66a6c 3943 "algorithm"},
0edd5b44
JG		 3944 {0x0E,
3945 "Received an Authentication frame with authentication sequence "
43f66a6c
JK		 3946 "transaction sequence number out of expected sequence"},
3947 {0x0F, "Authentication rejected because of challenge failure"},
3948 {0x10, "Authentication rejected due to timeout waiting for next "
3949 "frame in sequence"},
3950 {0x11, "Association denied because AP is unable to handle additional "
3951 "associated stations"},
0edd5b44
JG		 3952 {0x12,
3953 "Association denied due to requesting station not supporting all "
43f66a6c 3954 "of the datarates in the BSSBasicServiceSet Parameter"},
0edd5b44
JG		 3955 {0x13,
3956 "Association denied due to requesting station not supporting "
43f66a6c 3957 "short preamble operation"},
0edd5b44
JG		 3958 {0x14,
3959 "Association denied due to requesting station not supporting "
43f66a6c 3960 "PBCC encoding"},
0edd5b44
JG		 3961 {0x15,
3962 "Association denied due to requesting station not supporting "
43f66a6c 3963 "channel agility"},
0edd5b44
JG		 3964 {0x19,
3965 "Association denied due to requesting station not supporting "
43f66a6c 3966 "short slot operation"},
0edd5b44
JG		 3967 {0x1A,
3968 "Association denied due to requesting station not supporting "
43f66a6c
JK		 3969 "DSSS-OFDM operation"},
3970 {0x28, "Invalid Information Element"},
3971 {0x29, "Group Cipher is not valid"},
3972 {0x2A, "Pairwise Cipher is not valid"},
3973 {0x2B, "AKMP is not valid"},
3974 {0x2C, "Unsupported RSN IE version"},
3975 {0x2D, "Invalid RSN IE Capabilities"},
3976 {0x2E, "Cipher suite is rejected per security policy"},
3977};
3978
bf79451e 3979static const char *ipw_get_status_code(u16 status)
43f66a6c
JK		 3980{
3981 int i;
bf79451e 3982 for (i = 0; i < ARRAY_SIZE(ipw_status_codes); i++)
ea2b26e0 3983 if (ipw_status_codes[i].status == (status & 0xff))
43f66a6c
JK		 3984 return ipw_status_codes[i].reason;
3985 return "Unknown status value.";
3986}
43f66a6c
JK		 3987
3988static void inline average_init(struct average *avg)
3989{
3990 memset(avg, 0, sizeof(*avg));
3991}
3992
00d21de5
ZY		 3993#define DEPTH_RSSI 8
3994#define DEPTH_NOISE 16
3995static s16 exponential_average(s16 prev_avg, s16 val, u8 depth)
3996{
3997 return ((depth-1)*prev_avg + val)/depth;
3998}
3999
858119e1 4000static void average_add(struct average *avg, s16 val)
43f66a6c
JK		 4001{
4002 avg->sum -= avg->entries[avg->pos];
4003 avg->sum += val;
4004 avg->entries[avg->pos++] = val;
4005 if (unlikely(avg->pos == AVG_ENTRIES)) {
4006 avg->init = 1;
4007 avg->pos = 0;
4008 }
4009}
4010
858119e1 4011static s16 average_value(struct average *avg)
43f66a6c
JK		 4012{
4013 if (!unlikely(avg->init)) {
4014 if (avg->pos)
4015 return avg->sum / avg->pos;
4016 return 0;
4017 }
4018
4019 return avg->sum / AVG_ENTRIES;
4020}
4021
4022static void ipw_reset_stats(struct ipw_priv *priv)
4023{
4024 u32 len = sizeof(u32);
4025
4026 priv->quality = 0;
4027
4028 average_init(&priv->average_missed_beacons);
00d21de5
ZY		 4029 priv->exp_avg_rssi = -60;
4030 priv->exp_avg_noise = -85 + 0x100;
43f66a6c
JK		 4031
4032 priv->last_rate = 0;
4033 priv->last_missed_beacons = 0;
4034 priv->last_rx_packets = 0;
4035 priv->last_tx_packets = 0;
4036 priv->last_tx_failures = 0;
bf79451e 4037
43f66a6c
JK		 4038 /* Firmware managed, reset only when NIC is restarted, so we have to
4039 * normalize on the current value */
bf79451e 4040 ipw_get_ordinal(priv, IPW_ORD_STAT_RX_ERR_CRC,
43f66a6c 4041 &priv->last_rx_err, &len);
bf79451e 4042 ipw_get_ordinal(priv, IPW_ORD_STAT_TX_FAILURE,
43f66a6c
JK		 4043 &priv->last_tx_failures, &len);
4044
4045 /* Driver managed, reset with each association */
4046 priv->missed_adhoc_beacons = 0;
4047 priv->missed_beacons = 0;
4048 priv->tx_packets = 0;
4049 priv->rx_packets = 0;
4050
4051}
4052
858119e1 4053static u32 ipw_get_max_rate(struct ipw_priv *priv)
43f66a6c
JK		 4054{
4055 u32 i = 0x80000000;
4056 u32 mask = priv->rates_mask;
4057 /* If currently associated in B mode, restrict the maximum
4058 * rate match to B rates */
4059 if (priv->assoc_request.ieee_mode == IPW_B_MODE)
4060 mask &= IEEE80211_CCK_RATES_MASK;
4061
4062 /* TODO: Verify that the rate is supported by the current rates
4063 * list. */
4064
0edd5b44
JG		 4065 while (i && !(mask & i))
4066 i >>= 1;
43f66a6c 4067 switch (i) {
ea2b26e0
JK		 4068 case IEEE80211_CCK_RATE_1MB_MASK:
4069 return 1000000;
4070 case IEEE80211_CCK_RATE_2MB_MASK:
4071 return 2000000;
4072 case IEEE80211_CCK_RATE_5MB_MASK:
4073 return 5500000;
4074 case IEEE80211_OFDM_RATE_6MB_MASK:
4075 return 6000000;
4076 case IEEE80211_OFDM_RATE_9MB_MASK:
4077 return 9000000;
4078 case IEEE80211_CCK_RATE_11MB_MASK:
4079 return 11000000;
4080 case IEEE80211_OFDM_RATE_12MB_MASK:
4081 return 12000000;
4082 case IEEE80211_OFDM_RATE_18MB_MASK:
4083 return 18000000;
4084 case IEEE80211_OFDM_RATE_24MB_MASK:
4085 return 24000000;
4086 case IEEE80211_OFDM_RATE_36MB_MASK:
4087 return 36000000;
4088 case IEEE80211_OFDM_RATE_48MB_MASK:
4089 return 48000000;
4090 case IEEE80211_OFDM_RATE_54MB_MASK:
4091 return 54000000;
43f66a6c
JK		 4092 }
4093
bf79451e 4094 if (priv->ieee->mode == IEEE_B)
43f66a6c
JK		 4095 return 11000000;
4096 else
4097 return 54000000;
4098}
4099
4100static u32 ipw_get_current_rate(struct ipw_priv *priv)
4101{
4102 u32 rate, len = sizeof(rate);
4103 int err;
4104
bf79451e 4105 if (!(priv->status & STATUS_ASSOCIATED))
43f66a6c
JK		 4106 return 0;
4107
4108 if (priv->tx_packets > IPW_REAL_RATE_RX_PACKET_THRESHOLD) {
bf79451e 4109 err = ipw_get_ordinal(priv, IPW_ORD_STAT_TX_CURR_RATE, &rate,
43f66a6c
JK		 4110 &len);
4111 if (err) {
4112 IPW_DEBUG_INFO("failed querying ordinals.\n");
4113 return 0;
4114 }
bf79451e 4115 } else
43f66a6c
JK		 4116 return ipw_get_max_rate(priv);
4117
4118 switch (rate) {
ea2b26e0
JK		 4119 case IPW_TX_RATE_1MB:
4120 return 1000000;
4121 case IPW_TX_RATE_2MB:
4122 return 2000000;
4123 case IPW_TX_RATE_5MB:
4124 return 5500000;
4125 case IPW_TX_RATE_6MB:
4126 return 6000000;
4127 case IPW_TX_RATE_9MB:
4128 return 9000000;
4129 case IPW_TX_RATE_11MB:
4130 return 11000000;
4131 case IPW_TX_RATE_12MB:
4132 return 12000000;
4133 case IPW_TX_RATE_18MB:
4134 return 18000000;
4135 case IPW_TX_RATE_24MB:
4136 return 24000000;
4137 case IPW_TX_RATE_36MB:
4138 return 36000000;
4139 case IPW_TX_RATE_48MB:
4140 return 48000000;
4141 case IPW_TX_RATE_54MB:
4142 return 54000000;
43f66a6c
JK		 4143 }
4144
4145 return 0;
4146}
4147
43f66a6c
JK		 4148#define IPW_STATS_INTERVAL (2 * HZ)
4149static void ipw_gather_stats(struct ipw_priv *priv)
4150{
4151 u32 rx_err, rx_err_delta, rx_packets_delta;
4152 u32 tx_failures, tx_failures_delta, tx_packets_delta;
4153 u32 missed_beacons_percent, missed_beacons_delta;
4154 u32 quality = 0;
4155 u32 len = sizeof(u32);
4156 s16 rssi;
bf79451e 4157 u32 beacon_quality, signal_quality, tx_quality, rx_quality,
0edd5b44 4158 rate_quality;
ea2b26e0 4159 u32 max_rate;
43f66a6c
JK		 4160
4161 if (!(priv->status & STATUS_ASSOCIATED)) {
4162 priv->quality = 0;
4163 return;
4164 }
4165
4166 /* Update the statistics */
bf79451e 4167 ipw_get_ordinal(priv, IPW_ORD_STAT_MISSED_BEACONS,
43f66a6c 4168 &priv->missed_beacons, &len);
0edd5b44 4169 missed_beacons_delta = priv->missed_beacons - priv->last_missed_beacons;
43f66a6c
JK		 4170 priv->last_missed_beacons = priv->missed_beacons;
4171 if (priv->assoc_request.beacon_interval) {
4172 missed_beacons_percent = missed_beacons_delta *
5b5e807f 4173 (HZ * le16_to_cpu(priv->assoc_request.beacon_interval)) /
0edd5b44 4174 (IPW_STATS_INTERVAL * 10);
43f66a6c
JK		 4175 } else {
4176 missed_beacons_percent = 0;
4177 }
4178 average_add(&priv->average_missed_beacons, missed_beacons_percent);
4179
4180 ipw_get_ordinal(priv, IPW_ORD_STAT_RX_ERR_CRC, &rx_err, &len);
4181 rx_err_delta = rx_err - priv->last_rx_err;
4182 priv->last_rx_err = rx_err;
4183
4184 ipw_get_ordinal(priv, IPW_ORD_STAT_TX_FAILURE, &tx_failures, &len);
4185 tx_failures_delta = tx_failures - priv->last_tx_failures;
4186 priv->last_tx_failures = tx_failures;
4187
4188 rx_packets_delta = priv->rx_packets - priv->last_rx_packets;
4189 priv->last_rx_packets = priv->rx_packets;
4190
4191 tx_packets_delta = priv->tx_packets - priv->last_tx_packets;
4192 priv->last_tx_packets = priv->tx_packets;
4193
4194 /* Calculate quality based on the following:
bf79451e 4195 *
43f66a6c
JK		 4196 * Missed beacon: 100% = 0, 0% = 70% missed
4197 * Rate: 60% = 1Mbs, 100% = Max
4198 * Rx and Tx errors represent a straight % of total Rx/Tx
4199 * RSSI: 100% = > -50, 0% = < -80
4200 * Rx errors: 100% = 0, 0% = 50% missed
bf79451e 4201 *
43f66a6c
JK		 4202 * The lowest computed quality is used.
4203 *
4204 */
4205#define BEACON_THRESHOLD 5
4206 beacon_quality = 100 - missed_beacons_percent;
4207 if (beacon_quality < BEACON_THRESHOLD)
4208 beacon_quality = 0;
4209 else
bf79451e 4210 beacon_quality = (beacon_quality - BEACON_THRESHOLD) * 100 /
0edd5b44 4211 (100 - BEACON_THRESHOLD);
bf79451e 4212 IPW_DEBUG_STATS("Missed beacon: %3d%% (%d%%)\n",
43f66a6c 4213 beacon_quality, missed_beacons_percent);
bf79451e 4214
43f66a6c 4215 priv->last_rate = ipw_get_current_rate(priv);
ea2b26e0
JK		 4216 max_rate = ipw_get_max_rate(priv);
4217 rate_quality = priv->last_rate * 40 / max_rate + 60;
43f66a6c
JK		 4218 IPW_DEBUG_STATS("Rate quality : %3d%% (%dMbs)\n",
4219 rate_quality, priv->last_rate / 1000000);
bf79451e 4220
0edd5b44 4221 if (rx_packets_delta > 100 && rx_packets_delta + rx_err_delta)
bf79451e 4222 rx_quality = 100 - (rx_err_delta * 100) /
0edd5b44 4223 (rx_packets_delta + rx_err_delta);
43f66a6c
JK		 4224 else
4225 rx_quality = 100;
4226 IPW_DEBUG_STATS("Rx quality : %3d%% (%u errors, %u packets)\n",
4227 rx_quality, rx_err_delta, rx_packets_delta);
bf79451e 4228
0edd5b44 4229 if (tx_packets_delta > 100 && tx_packets_delta + tx_failures_delta)
bf79451e 4230 tx_quality = 100 - (tx_failures_delta * 100) /
0edd5b44 4231 (tx_packets_delta + tx_failures_delta);
43f66a6c
JK		 4232 else
4233 tx_quality = 100;
4234 IPW_DEBUG_STATS("Tx quality : %3d%% (%u errors, %u packets)\n",
4235 tx_quality, tx_failures_delta, tx_packets_delta);
bf79451e 4236
00d21de5 4237 rssi = priv->exp_avg_rssi;
c848d0af
JK		 4238 signal_quality =
4239 (100 *
4240 (priv->ieee->perfect_rssi - priv->ieee->worst_rssi) *
4241 (priv->ieee->perfect_rssi - priv->ieee->worst_rssi) -
4242 (priv->ieee->perfect_rssi - rssi) *
4243 (15 * (priv->ieee->perfect_rssi - priv->ieee->worst_rssi) +
4244 62 * (priv->ieee->perfect_rssi - rssi))) /
4245 ((priv->ieee->perfect_rssi - priv->ieee->worst_rssi) *
4246 (priv->ieee->perfect_rssi - priv->ieee->worst_rssi));
4247 if (signal_quality > 100)
43f66a6c 4248 signal_quality = 100;
c848d0af 4249 else if (signal_quality < 1)
43f66a6c 4250 signal_quality = 0;
ea2b26e0 4251
61fb9ed9 4252 IPW_DEBUG_STATS("Signal level : %3d%% (%d dBm)\n",
43f66a6c 4253 signal_quality, rssi);
bf79451e
JG		 4254
4255 quality = min(beacon_quality,
43f66a6c
JK		 4256 min(rate_quality,
4257 min(tx_quality, min(rx_quality, signal_quality))));
4258 if (quality == beacon_quality)
0edd5b44
JG		 4259 IPW_DEBUG_STATS("Quality (%d%%): Clamped to missed beacons.\n",
4260 quality);
43f66a6c 4261 if (quality == rate_quality)
0edd5b44
JG		 4262 IPW_DEBUG_STATS("Quality (%d%%): Clamped to rate quality.\n",
4263 quality);
43f66a6c 4264 if (quality == tx_quality)
0edd5b44
JG		 4265 IPW_DEBUG_STATS("Quality (%d%%): Clamped to Tx quality.\n",
4266 quality);
43f66a6c 4267 if (quality == rx_quality)
0edd5b44
JG		 4268 IPW_DEBUG_STATS("Quality (%d%%): Clamped to Rx quality.\n",
4269 quality);
43f66a6c 4270 if (quality == signal_quality)
0edd5b44
JG		 4271 IPW_DEBUG_STATS("Quality (%d%%): Clamped to signal quality.\n",
4272 quality);
43f66a6c
JK		 4273
4274 priv->quality = quality;
bf79451e
JG		 4275
4276 queue_delayed_work(priv->workqueue, &priv->gather_stats,
43f66a6c
JK		 4277 IPW_STATS_INTERVAL);
4278}
4279
c4028958 4280static void ipw_bg_gather_stats(struct work_struct *work)
c848d0af 4281{
c4028958
DH		 4282 struct ipw_priv *priv =
4283 container_of(work, struct ipw_priv, gather_stats.work);
4644151b 4284 mutex_lock(&priv->mutex);
c4028958 4285 ipw_gather_stats(priv);
4644151b 4286 mutex_unlock(&priv->mutex);
c848d0af
JK		 4287}
4288
e7582561
BC		 4289/* Missed beacon behavior:
4290 * 1st missed -> roaming_threshold, just wait, don't do any scan/roam.
4291 * roaming_threshold -> disassociate_threshold, scan and roam for better signal.
4292 * Above disassociate threshold, give up and stop scanning.
4293 * Roaming is disabled if disassociate_threshold <= roaming_threshold */
858119e1 4294static void ipw_handle_missed_beacon(struct ipw_priv *priv,
ea2b26e0
JK		 4295 int missed_count)
4296{
4297 priv->notif_missed_beacons = missed_count;
4298
afbf30a2 4299 if (missed_count > priv->disassociate_threshold &&
ea2b26e0
JK		 4300 priv->status & STATUS_ASSOCIATED) {
4301 /* If associated and we've hit the missed
4302 * beacon threshold, disassociate, turn
4303 * off roaming, and abort any active scans */
4304 IPW_DEBUG(IPW_DL_INFO | IPW_DL_NOTIF |
afbf30a2 4305 IPW_DL_STATE | IPW_DL_ASSOC,
ea2b26e0
JK		 4306 "Missed beacon: %d - disassociate\n", missed_count);
4307 priv->status &= ~STATUS_ROAMING;
a613bffd
JK		 4308 if (priv->status & STATUS_SCANNING) {
4309 IPW_DEBUG(IPW_DL_INFO | IPW_DL_NOTIF |
4310 IPW_DL_STATE,
4311 "Aborting scan with missed beacon.\n");
ea2b26e0 4312 queue_work(priv->workqueue, &priv->abort_scan);
a613bffd
JK		 4313 }
4314
ea2b26e0
JK		 4315 queue_work(priv->workqueue, &priv->disassociate);
4316 return;
4317 }
4318
4319 if (priv->status & STATUS_ROAMING) {
4320 /* If we are currently roaming, then just
4321 * print a debug statement... */
4322 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE,
4323 "Missed beacon: %d - roam in progress\n",
4324 missed_count);
4325 return;
4326 }
4327
4bfdb91d
ZY		 4328 if (roaming &&
4329 (missed_count > priv->roaming_threshold &&
4330 missed_count <= priv->disassociate_threshold)) {
ea2b26e0 4331 /* If we are not already roaming, set the ROAM
e7582561
BC		 4332 * bit in the status and kick off a scan.
4333 * This can happen several times before we reach
4334 * disassociate_threshold. */
ea2b26e0
JK		 4335 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE,
4336 "Missed beacon: %d - initiate "
4337 "roaming\n", missed_count);
4338 if (!(priv->status & STATUS_ROAMING)) {
4339 priv->status |= STATUS_ROAMING;
4340 if (!(priv->status & STATUS_SCANNING))
c4028958
DH		 4341 queue_delayed_work(priv->workqueue,
4342 &priv->request_scan, 0);
ea2b26e0
JK		 4343 }
4344 return;
4345 }
4346
4347 if (priv->status & STATUS_SCANNING) {
4348 /* Stop scan to keep fw from getting
4349 * stuck (only if we aren't roaming --
4350 * otherwise we'll never scan more than 2 or 3
4351 * channels..) */
b095c381
JK		 4352 IPW_DEBUG(IPW_DL_INFO | IPW_DL_NOTIF | IPW_DL_STATE,
4353 "Aborting scan with missed beacon.\n");
ea2b26e0
JK		 4354 queue_work(priv->workqueue, &priv->abort_scan);
4355 }
4356
4357 IPW_DEBUG_NOTIF("Missed beacon: %d\n", missed_count);
ea2b26e0
JK		 4358}
4359
0b531676
DW		 4360static void ipw_scan_event(struct work_struct *work)
4361{
4362 union iwreq_data wrqu;
4363
4364 struct ipw_priv *priv =
4365 container_of(work, struct ipw_priv, scan_event.work);
4366
4367 wrqu.data.length = 0;
4368 wrqu.data.flags = 0;
4369 wireless_send_event(priv->net_dev, SIOCGIWSCAN, &wrqu, NULL);
4370}
4371
4372static void handle_scan_event(struct ipw_priv *priv)
4373{
4374 /* Only userspace-requested scan completion events go out immediately */
4375 if (!priv->user_requested_scan) {
4376 if (!delayed_work_pending(&priv->scan_event))
4377 queue_delayed_work(priv->workqueue, &priv->scan_event,
be84e3d6 4378 round_jiffies_relative(msecs_to_jiffies(4000)));
0b531676
DW		 4379 } else {
4380 union iwreq_data wrqu;
4381
4382 priv->user_requested_scan = 0;
4383 cancel_delayed_work(&priv->scan_event);
4384
4385 wrqu.data.length = 0;
4386 wrqu.data.flags = 0;
4387 wireless_send_event(priv->net_dev, SIOCGIWSCAN, &wrqu, NULL);
4388 }
4389}
4390
43f66a6c
JK		 4391/**
4392 * Handle host notification packet.
4393 * Called from interrupt routine
4394 */
858119e1 4395static void ipw_rx_notification(struct ipw_priv *priv,
43f66a6c
JK		 4396 struct ipw_rx_notification *notif)
4397{
e62e1ee0 4398 u16 size = le16_to_cpu(notif->size);
a613bffd
JK		 4399 notif->size = le16_to_cpu(notif->size);
4400
e62e1ee0 4401 IPW_DEBUG_NOTIF("type = %i (%d bytes)\n", notif->subtype, size);
bf79451e 4402
43f66a6c 4403 switch (notif->subtype) {
0edd5b44
JG		 4404 case HOST_NOTIFICATION_STATUS_ASSOCIATED:{
4405 struct notif_association *assoc = &notif->u.assoc;
4406
4407 switch (assoc->state) {
4408 case CMAS_ASSOCIATED:{
4409 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4410 IPW_DL_ASSOC,
e174961c 4411 "associated: '%s' %pM \n",
7e272fcf
JL		 4412 escape_ssid(priv->essid,
4413 priv->essid_len),
e174961c 4414 priv->bssid);
0edd5b44
JG		 4415
4416 switch (priv->ieee->iw_mode) {
4417 case IW_MODE_INFRA:
4418 memcpy(priv->ieee->bssid,
4419 priv->bssid, ETH_ALEN);
4420 break;
4421
4422 case IW_MODE_ADHOC:
4423 memcpy(priv->ieee->bssid,
4424 priv->bssid, ETH_ALEN);
4425
4426 /* clear out the station table */
4427 priv->num_stations = 0;
4428
4429 IPW_DEBUG_ASSOC
4430 ("queueing adhoc check\n");
4431 queue_delayed_work(priv->
4432 workqueue,
4433 &priv->
4434 adhoc_check,
5b5e807f 4435 le16_to_cpu(priv->
0edd5b44 4436 assoc_request.
5b5e807f 4437 beacon_interval));
0edd5b44
JG		 4438 break;
4439 }
4440
4441 priv->status &= ~STATUS_ASSOCIATING;
4442 priv->status |= STATUS_ASSOCIATED;
d8bad6df
ZY		 4443 queue_work(priv->workqueue,
4444 &priv->system_config);
0edd5b44 4445
e43e3c1e 4446#ifdef CONFIG_IPW2200_QOS
afbf30a2
JK		 4447#define IPW_GET_PACKET_STYPE(x) WLAN_FC_GET_STYPE( \
4448 le16_to_cpu(((struct ieee80211_hdr *)(x))->frame_ctl))
4449 if ((priv->status & STATUS_AUTH) &&
4450 (IPW_GET_PACKET_STYPE(&notif->u.raw)
4451 == IEEE80211_STYPE_ASSOC_RESP)) {
b095c381
JK		 4452 if ((sizeof
4453 (struct
2b184d5b 4454 ieee80211_assoc_response)
e62e1ee0
AV		 4455 <= size)
4456 && (size <= 2314)) {
b095c381
JK		 4457 struct
4458 ieee80211_rx_stats
4459 stats = {
e62e1ee0 4460 .len = size - 1,
b095c381
JK		 4461 };
4462
4463 IPW_DEBUG_QOS
4464 ("QoS Associate "
e62e1ee0 4465 "size %d\n", size);
b095c381
JK		 4466 ieee80211_rx_mgt(priv->
4467 ieee,
4468 (struct
2b184d5b 4469 ieee80211_hdr_4addr
b095c381
JK		 4470 *)
4471 &notif->u.raw, &stats);
4472 }
0edd5b44 4473 }
b095c381 4474#endif
0edd5b44 4475
a613bffd 4476 schedule_work(&priv->link_up);
43f66a6c 4477
0edd5b44
JG		 4478 break;
4479 }
bf79451e 4480
0edd5b44
JG		 4481 case CMAS_AUTHENTICATED:{
4482 if (priv->
4483 status & (STATUS_ASSOCIATED |
4484 STATUS_AUTH)) {
0edd5b44
JG		 4485 struct notif_authenticate *auth
4486 = &notif->u.auth;
4487 IPW_DEBUG(IPW_DL_NOTIF |
4488 IPW_DL_STATE |
4489 IPW_DL_ASSOC,
4490 "deauthenticated: '%s' "
e174961c 4491 "%pM"
0edd5b44 4492 ": (0x%04X) - %s \n",
7e272fcf
JL		 4493 escape_ssid(priv->
4494 essid,
4495 priv->
4496 essid_len),
e174961c 4497 priv->bssid,
83f7d57c 4498 le16_to_cpu(auth->status),
0edd5b44 4499 ipw_get_status_code
83f7d57c 4500 (le16_to_cpu
0edd5b44 4501 (auth->status)));
43f66a6c 4502
0edd5b44
JG		 4503 priv->status &=
4504 ~(STATUS_ASSOCIATING |
4505 STATUS_AUTH |
4506 STATUS_ASSOCIATED);
4507
a613bffd 4508 schedule_work(&priv->link_down);
0edd5b44
JG		 4509 break;
4510 }
4511
4512 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4513 IPW_DL_ASSOC,
e174961c 4514 "authenticated: '%s' %pM\n",
7e272fcf 4515 escape_ssid(priv->essid,
0edd5b44 4516 priv->essid_len),
e174961c 4517 priv->bssid);
0edd5b44
JG		 4518 break;
4519 }
4520
4521 case CMAS_INIT:{
ea2b26e0
JK		 4522 if (priv->status & STATUS_AUTH) {
4523 struct
4524 ieee80211_assoc_response
4525 *resp;
4526 resp =
4527 (struct
4528 ieee80211_assoc_response
4529 *)&notif->u.raw;
4530 IPW_DEBUG(IPW_DL_NOTIF |
4531 IPW_DL_STATE |
4532 IPW_DL_ASSOC,
4533 "association failed (0x%04X): %s\n",
83f7d57c 4534 le16_to_cpu(resp->status),
ea2b26e0 4535 ipw_get_status_code
83f7d57c 4536 (le16_to_cpu
ea2b26e0
JK		 4537 (resp->status)));
4538 }
4539
0edd5b44
JG		 4540 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4541 IPW_DL_ASSOC,
e174961c 4542 "disassociated: '%s' %pM \n",
7e272fcf 4543 escape_ssid(priv->essid,
0edd5b44 4544 priv->essid_len),
e174961c 4545 priv->bssid);
0edd5b44
JG		 4546
4547 priv->status &=
4548 ~(STATUS_DISASSOCIATING |
4549 STATUS_ASSOCIATING |
4550 STATUS_ASSOCIATED | STATUS_AUTH);
b095c381
JK		 4551 if (priv->assoc_network
4552 && (priv->assoc_network->
4553 capability &
4554 WLAN_CAPABILITY_IBSS))
4555 ipw_remove_current_network
4556 (priv);
0edd5b44 4557
a613bffd 4558 schedule_work(&priv->link_down);
0edd5b44 4559
0edd5b44
JG		 4560 break;
4561 }
43f66a6c 4562
b095c381
JK		 4563 case CMAS_RX_ASSOC_RESP:
4564 break;
4565
0edd5b44
JG		 4566 default:
4567 IPW_ERROR("assoc: unknown (%d)\n",
4568 assoc->state);
43f66a6c 4569 break;
bf79451e 4570 }
43f66a6c 4571
43f66a6c
JK		 4572 break;
4573 }
bf79451e 4574
0edd5b44
JG		 4575 case HOST_NOTIFICATION_STATUS_AUTHENTICATE:{
4576 struct notif_authenticate *auth = &notif->u.auth;
4577 switch (auth->state) {
4578 case CMAS_AUTHENTICATED:
4579 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE,
e174961c 4580 "authenticated: '%s' %pM \n",
7e272fcf 4581 escape_ssid(priv->essid,
0edd5b44 4582 priv->essid_len),
e174961c 4583 priv->bssid);
0edd5b44
JG		 4584 priv->status |= STATUS_AUTH;
4585 break;
43f66a6c 4586
0edd5b44
JG		 4587 case CMAS_INIT:
4588 if (priv->status & STATUS_AUTH) {
4589 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4590 IPW_DL_ASSOC,
4591 "authentication failed (0x%04X): %s\n",
83f7d57c
AV		 4592 le16_to_cpu(auth->status),
4593 ipw_get_status_code(le16_to_cpu
0edd5b44
JG		 4594 (auth->
4595 status)));
4596 }
4597 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4598 IPW_DL_ASSOC,
e174961c 4599 "deauthenticated: '%s' %pM\n",
7e272fcf
JL		 4600 escape_ssid(priv->essid,
4601 priv->essid_len),
e174961c 4602 priv->bssid);
bf79451e 4603
0edd5b44
JG		 4604 priv->status &= ~(STATUS_ASSOCIATING |
4605 STATUS_AUTH |
4606 STATUS_ASSOCIATED);
43f66a6c 4607
a613bffd 4608 schedule_work(&priv->link_down);
0edd5b44 4609 break;
43f66a6c 4610
0edd5b44
JG		 4611 case CMAS_TX_AUTH_SEQ_1:
4612 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4613 IPW_DL_ASSOC, "AUTH_SEQ_1\n");
4614 break;
4615 case CMAS_RX_AUTH_SEQ_2:
4616 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4617 IPW_DL_ASSOC, "AUTH_SEQ_2\n");
4618 break;
4619 case CMAS_AUTH_SEQ_1_PASS:
4620 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4621 IPW_DL_ASSOC, "AUTH_SEQ_1_PASS\n");
4622 break;
4623 case CMAS_AUTH_SEQ_1_FAIL:
4624 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4625 IPW_DL_ASSOC, "AUTH_SEQ_1_FAIL\n");
4626 break;
4627 case CMAS_TX_AUTH_SEQ_3:
4628 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4629 IPW_DL_ASSOC, "AUTH_SEQ_3\n");
4630 break;
4631 case CMAS_RX_AUTH_SEQ_4:
4632 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4633 IPW_DL_ASSOC, "RX_AUTH_SEQ_4\n");
4634 break;
4635 case CMAS_AUTH_SEQ_2_PASS:
4636 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4637 IPW_DL_ASSOC, "AUTH_SEQ_2_PASS\n");
4638 break;
4639 case CMAS_AUTH_SEQ_2_FAIL:
4640 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4641 IPW_DL_ASSOC, "AUT_SEQ_2_FAIL\n");
4642 break;
4643 case CMAS_TX_ASSOC:
4644 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4645 IPW_DL_ASSOC, "TX_ASSOC\n");
4646 break;
4647 case CMAS_RX_ASSOC_RESP:
4648 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4649 IPW_DL_ASSOC, "RX_ASSOC_RESP\n");
b095c381 4650
0edd5b44
JG		 4651 break;
4652 case CMAS_ASSOCIATED:
4653 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
4654 IPW_DL_ASSOC, "ASSOCIATED\n");
4655 break;
4656 default:
4657 IPW_DEBUG_NOTIF("auth: failure - %d\n",
4658 auth->state);
4659 break;
43f66a6c 4660 }
43f66a6c
JK		 4661 break;
4662 }
4663
0edd5b44
JG		 4664 case HOST_NOTIFICATION_STATUS_SCAN_CHANNEL_RESULT:{
4665 struct notif_channel_result *x =
4666 &notif->u.channel_result;
43f66a6c 4667
e62e1ee0 4668 if (size == sizeof(*x)) {
0edd5b44
JG		 4669 IPW_DEBUG_SCAN("Scan result for channel %d\n",
4670 x->channel_num);
4671 } else {
4672 IPW_DEBUG_SCAN("Scan result of wrong size %d "
4673 "(should be %zd)\n",
e62e1ee0 4674 size, sizeof(*x));
bf79451e 4675 }
43f66a6c
JK		 4676 break;
4677 }
43f66a6c 4678
0edd5b44
JG		 4679 case HOST_NOTIFICATION_STATUS_SCAN_COMPLETED:{
4680 struct notif_scan_complete *x = &notif->u.scan_complete;
e62e1ee0 4681 if (size == sizeof(*x)) {
0edd5b44
JG		 4682 IPW_DEBUG_SCAN
4683 ("Scan completed: type %d, %d channels, "
4684 "%d status\n", x->scan_type,
4685 x->num_channels, x->status);
4686 } else {
4687 IPW_ERROR("Scan completed of wrong size %d "
4688 "(should be %zd)\n",
e62e1ee0 4689 size, sizeof(*x));
0edd5b44 4690 }
43f66a6c 4691
0edd5b44
JG		 4692 priv->status &=
4693 ~(STATUS_SCANNING | STATUS_SCAN_ABORTING);
4694
a0e04ab3 4695 wake_up_interruptible(&priv->wait_state);
0edd5b44
JG		 4696 cancel_delayed_work(&priv->scan_check);
4697
b095c381
JK		 4698 if (priv->status & STATUS_EXIT_PENDING)
4699 break;
4700
4701 priv->ieee->scans++;
4702
4703#ifdef CONFIG_IPW2200_MONITOR
4704 if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
afbf30a2 4705 priv->status |= STATUS_SCAN_FORCED;
c4028958
DH		 4706 queue_delayed_work(priv->workqueue,
4707 &priv->request_scan, 0);
b095c381
JK		 4708 break;
4709 }
afbf30a2 4710 priv->status &= ~STATUS_SCAN_FORCED;
b095c381
JK		 4711#endif /* CONFIG_IPW2200_MONITOR */
4712
ea177305
DW		 4713 /* Do queued direct scans first */
4714 if (priv->status & STATUS_DIRECT_SCAN_PENDING) {
4715 queue_delayed_work(priv->workqueue,
4716 &priv->request_direct_scan, 0);
4717 }
4718
0edd5b44
JG		 4719 if (!(priv->status & (STATUS_ASSOCIATED |
4720 STATUS_ASSOCIATING |
4721 STATUS_ROAMING |
4722 STATUS_DISASSOCIATING)))
4723 queue_work(priv->workqueue, &priv->associate);
4724 else if (priv->status & STATUS_ROAMING) {
e7582561
BC		 4725 if (x->status == SCAN_COMPLETED_STATUS_COMPLETE)
4726 /* If a scan completed and we are in roam mode, then
4727 * the scan that completed was the one requested as a
4728 * result of entering roam... so, schedule the
4729 * roam work */
4730 queue_work(priv->workqueue,
4731 &priv->roam);
4732 else
4733 /* Don't schedule if we aborted the scan */
4734 priv->status &= ~STATUS_ROAMING;
0edd5b44 4735 } else if (priv->status & STATUS_SCAN_PENDING)
c4028958
DH		 4736 queue_delayed_work(priv->workqueue,
4737 &priv->request_scan, 0);
a613bffd
JK		 4738 else if (priv->config & CFG_BACKGROUND_SCAN
4739 && priv->status & STATUS_ASSOCIATED)
4740 queue_delayed_work(priv->workqueue,
1c9d5e41 4741 &priv->request_scan,
be84e3d6 4742 round_jiffies_relative(HZ));
07f02e46
ZY		 4743
4744 /* Send an empty event to user space.
4745 * We don't send the received data on the event because
4746 * it would require us to do complex transcoding, and
4747 * we want to minimise the work done in the irq handler
4748 * Use a request to extract the data.
4749 * Also, we generate this even for any scan, regardless
4750 * on how the scan was initiated. User space can just
4751 * sync on periodic scan to get fresh data...
4752 * Jean II */
0b531676
DW		 4753 if (x->status == SCAN_COMPLETED_STATUS_COMPLETE)
4754 handle_scan_event(priv);
0edd5b44 4755 break;
43f66a6c 4756 }
43f66a6c 4757
0edd5b44
JG		 4758 case HOST_NOTIFICATION_STATUS_FRAG_LENGTH:{
4759 struct notif_frag_length *x = &notif->u.frag_len;
43f66a6c 4760
e62e1ee0 4761 if (size == sizeof(*x))
a613bffd
JK		 4762 IPW_ERROR("Frag length: %d\n",
4763 le16_to_cpu(x->frag_length));
4764 else
0edd5b44
JG		 4765 IPW_ERROR("Frag length of wrong size %d "
4766 "(should be %zd)\n",
e62e1ee0 4767 size, sizeof(*x));
0edd5b44 4768 break;
43f66a6c 4769 }
43f66a6c 4770
0edd5b44
JG		 4771 case HOST_NOTIFICATION_STATUS_LINK_DETERIORATION:{
4772 struct notif_link_deterioration *x =
4773 &notif->u.link_deterioration;
afbf30a2 4774
e62e1ee0 4775 if (size == sizeof(*x)) {
0edd5b44 4776 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE,
12977154
BC		 4777 "link deterioration: type %d, cnt %d\n",
4778 x->silence_notification_type,
4779 x->silence_count);
0edd5b44
JG		 4780 memcpy(&priv->last_link_deterioration, x,
4781 sizeof(*x));
4782 } else {
4783 IPW_ERROR("Link Deterioration of wrong size %d "
4784 "(should be %zd)\n",
e62e1ee0 4785 size, sizeof(*x));
0edd5b44 4786 }
43f66a6c
JK		 4787 break;
4788 }
4789
0edd5b44
JG		 4790 case HOST_NOTIFICATION_DINO_CONFIG_RESPONSE:{
4791 IPW_ERROR("Dino config\n");
4792 if (priv->hcmd
a613bffd 4793 && priv->hcmd->cmd != HOST_CMD_DINO_CONFIG)
0edd5b44 4794 IPW_ERROR("Unexpected DINO_CONFIG_RESPONSE\n");
a613bffd 4795
0edd5b44
JG		 4796 break;
4797 }
43f66a6c 4798
0edd5b44
JG		 4799 case HOST_NOTIFICATION_STATUS_BEACON_STATE:{
4800 struct notif_beacon_state *x = &notif->u.beacon_state;
e62e1ee0 4801 if (size != sizeof(*x)) {
0edd5b44
JG		 4802 IPW_ERROR
4803 ("Beacon state of wrong size %d (should "
e62e1ee0 4804 "be %zd)\n", size, sizeof(*x));
0edd5b44 4805 break;
43f66a6c
JK		 4806 }
4807
a613bffd
JK		 4808 if (le32_to_cpu(x->state) ==
4809 HOST_NOTIFICATION_STATUS_BEACON_MISSING)
4810 ipw_handle_missed_beacon(priv,
4811 le32_to_cpu(x->
4812 number));
43f66a6c 4813
0edd5b44
JG		 4814 break;
4815 }
43f66a6c 4816
0edd5b44
JG		 4817 case HOST_NOTIFICATION_STATUS_TGI_TX_KEY:{
4818 struct notif_tgi_tx_key *x = &notif->u.tgi_tx_key;
e62e1ee0 4819 if (size == sizeof(*x)) {
0edd5b44
JG		 4820 IPW_ERROR("TGi Tx Key: state 0x%02x sec type "
4821 "0x%02x station %d\n",
4822 x->key_state, x->security_type,
4823 x->station_index);
4824 break;
4825 }
43f66a6c 4826
0edd5b44
JG		 4827 IPW_ERROR
4828 ("TGi Tx Key of wrong size %d (should be %zd)\n",
e62e1ee0 4829 size, sizeof(*x));
43f66a6c 4830 break;
bf79451e 4831 }
43f66a6c 4832
0edd5b44
JG		 4833 case HOST_NOTIFICATION_CALIB_KEEP_RESULTS:{
4834 struct notif_calibration *x = &notif->u.calibration;
43f66a6c 4835
e62e1ee0 4836 if (size == sizeof(*x)) {
0edd5b44
JG		 4837 memcpy(&priv->calib, x, sizeof(*x));
4838 IPW_DEBUG_INFO("TODO: Calibration\n");
4839 break;
4840 }
43f66a6c 4841
0edd5b44
JG		 4842 IPW_ERROR
4843 ("Calibration of wrong size %d (should be %zd)\n",
e62e1ee0 4844 size, sizeof(*x));
43f66a6c 4845 break;
bf79451e
JG		 4846 }
4847
0edd5b44 4848 case HOST_NOTIFICATION_NOISE_STATS:{
e62e1ee0 4849 if (size == sizeof(u32)) {
00d21de5
ZY		 4850 priv->exp_avg_noise =
4851 exponential_average(priv->exp_avg_noise,
4852 (u8) (le32_to_cpu(notif->u.noise.value) & 0xff),
4853 DEPTH_NOISE);
0edd5b44
JG		 4854 break;
4855 }
43f66a6c 4856
0edd5b44
JG		 4857 IPW_ERROR
4858 ("Noise stat is wrong size %d (should be %zd)\n",
e62e1ee0 4859 size, sizeof(u32));
43f66a6c
JK		 4860 break;
4861 }
4862
43f66a6c 4863 default:
1dd31b6c
ZY		 4864 IPW_DEBUG_NOTIF("Unknown notification: "
4865 "subtype=%d,flags=0x%2x,size=%d\n",
e62e1ee0 4866 notif->subtype, notif->flags, size);
43f66a6c
JK		 4867 }
4868}
4869
4870/**
4871 * Destroys all DMA structures and initialise them again
bf79451e 4872 *
43f66a6c
JK		 4873 * @param priv
4874 * @return error code
4875 */
4876static int ipw_queue_reset(struct ipw_priv *priv)
4877{
4878 int rc = 0;
4879 /** @todo customize queue sizes */
4880 int nTx = 64, nTxCmd = 8;
4881 ipw_tx_queue_free(priv);
4882 /* Tx CMD queue */
4883 rc = ipw_queue_tx_init(priv, &priv->txq_cmd, nTxCmd,
b095c381
JK		 4884 IPW_TX_CMD_QUEUE_READ_INDEX,
4885 IPW_TX_CMD_QUEUE_WRITE_INDEX,
4886 IPW_TX_CMD_QUEUE_BD_BASE,
4887 IPW_TX_CMD_QUEUE_BD_SIZE);
43f66a6c
JK		 4888 if (rc) {
4889 IPW_ERROR("Tx Cmd queue init failed\n");
4890 goto error;
4891 }
4892 /* Tx queue(s) */
4893 rc = ipw_queue_tx_init(priv, &priv->txq[0], nTx,
b095c381
JK		 4894 IPW_TX_QUEUE_0_READ_INDEX,
4895 IPW_TX_QUEUE_0_WRITE_INDEX,
4896 IPW_TX_QUEUE_0_BD_BASE, IPW_TX_QUEUE_0_BD_SIZE);
43f66a6c
JK		 4897 if (rc) {
4898 IPW_ERROR("Tx 0 queue init failed\n");
4899 goto error;
4900 }
4901 rc = ipw_queue_tx_init(priv, &priv->txq[1], nTx,
b095c381
JK		 4902 IPW_TX_QUEUE_1_READ_INDEX,
4903 IPW_TX_QUEUE_1_WRITE_INDEX,
4904 IPW_TX_QUEUE_1_BD_BASE, IPW_TX_QUEUE_1_BD_SIZE);
43f66a6c
JK		 4905 if (rc) {
4906 IPW_ERROR("Tx 1 queue init failed\n");
4907 goto error;
4908 }
4909 rc = ipw_queue_tx_init(priv, &priv->txq[2], nTx,
b095c381
JK		 4910 IPW_TX_QUEUE_2_READ_INDEX,
4911 IPW_TX_QUEUE_2_WRITE_INDEX,
4912 IPW_TX_QUEUE_2_BD_BASE, IPW_TX_QUEUE_2_BD_SIZE);
43f66a6c
JK		 4913 if (rc) {
4914 IPW_ERROR("Tx 2 queue init failed\n");
4915 goto error;
4916 }
4917 rc = ipw_queue_tx_init(priv, &priv->txq[3], nTx,
b095c381
JK		 4918 IPW_TX_QUEUE_3_READ_INDEX,
4919 IPW_TX_QUEUE_3_WRITE_INDEX,
4920 IPW_TX_QUEUE_3_BD_BASE, IPW_TX_QUEUE_3_BD_SIZE);
43f66a6c
JK		 4921 if (rc) {
4922 IPW_ERROR("Tx 3 queue init failed\n");
4923 goto error;
4924 }
4925 /* statistics */
4926 priv->rx_bufs_min = 0;
4927 priv->rx_pend_max = 0;
4928 return rc;
4929
0edd5b44 4930 error:
43f66a6c
JK		 4931 ipw_tx_queue_free(priv);
4932 return rc;
4933}
4934
4935/**
4936 * Reclaim Tx queue entries no more used by NIC.
bf79451e 4937 *
8ff9d21e 4938 * When FW advances 'R' index, all entries between old and
43f66a6c
JK		 4939 * new 'R' index need to be reclaimed. As result, some free space
4940 * forms. If there is enough free space (> low mark), wake Tx queue.
bf79451e 4941 *
43f66a6c
JK		 4942 * @note Need to protect against garbage in 'R' index
4943 * @param priv
4944 * @param txq
4945 * @param qindex
4946 * @return Number of used entries remains in the queue
4947 */
bf79451e 4948static int ipw_queue_tx_reclaim(struct ipw_priv *priv,
43f66a6c
JK		 4949 struct clx2_tx_queue *txq, int qindex)
4950{
4951 u32 hw_tail;
4952 int used;
4953 struct clx2_queue *q = &txq->q;
4954
4955 hw_tail = ipw_read32(priv, q->reg_r);
4956 if (hw_tail >= q->n_bd) {
4957 IPW_ERROR
0edd5b44
JG		 4958 ("Read index for DMA queue (%d) is out of range [0-%d)\n",
4959 hw_tail, q->n_bd);
43f66a6c
JK		 4960 goto done;
4961 }
4962 for (; q->last_used != hw_tail;
4963 q->last_used = ipw_queue_inc_wrap(q->last_used, q->n_bd)) {
4964 ipw_queue_tx_free_tfd(priv, txq);
4965 priv->tx_packets++;
4966 }
0edd5b44 4967 done:
943dbef4 4968 if ((ipw_tx_queue_space(q) > q->low_mark) &&
521c4d96 4969 (qindex >= 0))
9ddf84f6 4970 netif_wake_queue(priv->net_dev);
43f66a6c
JK		 4971 used = q->first_empty - q->last_used;
4972 if (used < 0)
4973 used += q->n_bd;
4974
4975 return used;
4976}
4977
4978static int ipw_queue_tx_hcmd(struct ipw_priv *priv, int hcmd, void *buf,
4979 int len, int sync)
4980{
4981 struct clx2_tx_queue *txq = &priv->txq_cmd;
4982 struct clx2_queue *q = &txq->q;
4983 struct tfd_frame *tfd;
4984
943dbef4 4985 if (ipw_tx_queue_space(q) < (sync ? 1 : 2)) {
43f66a6c
JK		 4986 IPW_ERROR("No space for Tx\n");
4987 return -EBUSY;
4988 }
4989
4990 tfd = &txq->bd[q->first_empty];
4991 txq->txb[q->first_empty] = NULL;
4992
4993 memset(tfd, 0, sizeof(*tfd));
4994 tfd->control_flags.message_type = TX_HOST_COMMAND_TYPE;
4995 tfd->control_flags.control_bits = TFD_NEED_IRQ_MASK;
4996 priv->hcmd_seq++;
4997 tfd->u.cmd.index = hcmd;
4998 tfd->u.cmd.length = len;
4999 memcpy(tfd->u.cmd.payload, buf, len);
5000 q->first_empty = ipw_queue_inc_wrap(q->first_empty, q->n_bd);
5001 ipw_write32(priv, q->reg_w, q->first_empty);
5002 _ipw_read32(priv, 0x90);
5003
5004 return 0;
5005}
5006
bf79451e 5007/*
43f66a6c
JK		 5008 * Rx theory of operation
5009 *
5010 * The host allocates 32 DMA target addresses and passes the host address
b095c381 5011 * to the firmware at register IPW_RFDS_TABLE_LOWER + N * RFD_SIZE where N is
43f66a6c
JK		 5012 * 0 to 31
5013 *
5014 * Rx Queue Indexes
5015 * The host/firmware share two index registers for managing the Rx buffers.
5016 *
bf79451e
JG		 5017 * The READ index maps to the first position that the firmware may be writing
5018 * to -- the driver can read up to (but not including) this position and get
5019 * good data.
43f66a6c
JK		 5020 * The READ index is managed by the firmware once the card is enabled.
5021 *
5022 * The WRITE index maps to the last position the driver has read from -- the
5023 * position preceding WRITE is the last slot the firmware can place a packet.
5024 *
5025 * The queue is empty (no good data) if WRITE = READ - 1, and is full if
bf79451e 5026 * WRITE = READ.
43f66a6c 5027 *
bf79451e 5028 * During initialization the host sets up the READ queue position to the first
43f66a6c
JK		 5029 * INDEX position, and WRITE to the last (READ - 1 wrapped)
5030 *
5031 * When the firmware places a packet in a buffer it will advance the READ index
5032 * and fire the RX interrupt. The driver can then query the READ index and
5033 * process as many packets as possible, moving the WRITE index forward as it
5034 * resets the Rx queue buffers with new memory.
bf79451e 5035 *
43f66a6c 5036 * The management in the driver is as follows:
bf79451e 5037 * + A list of pre-allocated SKBs is stored in ipw->rxq->rx_free. When
43f66a6c 5038 * ipw->rxq->free_count drops to or below RX_LOW_WATERMARK, work is scheduled
bf79451e 5039 * to replensish the ipw->rxq->rx_free.
43f66a6c
JK		 5040 * + In ipw_rx_queue_replenish (scheduled) if 'processed' != 'read' then the
5041 * ipw->rxq is replenished and the READ INDEX is updated (updating the
5042 * 'processed' and 'read' driver indexes as well)
5043 * + A received packet is processed and handed to the kernel network stack,
5044 * detached from the ipw->rxq. The driver 'processed' index is updated.
5045 * + The Host/Firmware ipw->rxq is replenished at tasklet time from the rx_free
bf79451e
JG		 5046 * list. If there are no allocated buffers in ipw->rxq->rx_free, the READ
5047 * INDEX is not incremented and ipw->status(RX_STALLED) is set. If there
43f66a6c
JK		 5048 * were enough free buffers and RX_STALLED is set it is cleared.
5049 *
5050 *
5051 * Driver sequence:
5052 *
bf79451e 5053 * ipw_rx_queue_alloc() Allocates rx_free
43f66a6c
JK		 5054 * ipw_rx_queue_replenish() Replenishes rx_free list from rx_used, and calls
5055 * ipw_rx_queue_restock
5056 * ipw_rx_queue_restock() Moves available buffers from rx_free into Rx
5057 * queue, updates firmware pointers, and updates
5058 * the WRITE index. If insufficient rx_free buffers
5059 * are available, schedules ipw_rx_queue_replenish
5060 *
5061 * -- enable interrupts --
5062 * ISR - ipw_rx() Detach ipw_rx_mem_buffers from pool up to the
bf79451e 5063 * READ INDEX, detaching the SKB from the pool.
43f66a6c
JK		 5064 * Moves the packet buffer from queue to rx_used.
5065 * Calls ipw_rx_queue_restock to refill any empty
5066 * slots.
5067 * ...
5068 *
5069 */
5070
bf79451e 5071/*
43f66a6c
JK		 5072 * If there are slots in the RX queue that need to be restocked,
5073 * and we have free pre-allocated buffers, fill the ranks as much
5074 * as we can pulling from rx_free.
5075 *
5076 * This moves the 'write' index forward to catch up with 'processed', and
5077 * also updates the memory address in the firmware to reference the new
5078 * target buffer.
5079 */
5080static void ipw_rx_queue_restock(struct ipw_priv *priv)
5081{
5082 struct ipw_rx_queue *rxq = priv->rxq;
5083 struct list_head *element;
5084 struct ipw_rx_mem_buffer *rxb;
5085 unsigned long flags;
5086 int write;
5087
5088 spin_lock_irqsave(&rxq->lock, flags);
5089 write = rxq->write;
943dbef4 5090 while ((ipw_rx_queue_space(rxq) > 0) && (rxq->free_count)) {
43f66a6c
JK		 5091 element = rxq->rx_free.next;
5092 rxb = list_entry(element, struct ipw_rx_mem_buffer, list);
5093 list_del(element);
5094
b095c381 5095 ipw_write32(priv, IPW_RFDS_TABLE_LOWER + rxq->write * RFD_SIZE,
43f66a6c
JK		 5096 rxb->dma_addr);
5097 rxq->queue[rxq->write] = rxb;
5098 rxq->write = (rxq->write + 1) % RX_QUEUE_SIZE;
5099 rxq->free_count--;
5100 }
5101 spin_unlock_irqrestore(&rxq->lock, flags);
5102
bf79451e 5103 /* If the pre-allocated buffer pool is dropping low, schedule to
43f66a6c
JK		 5104 * refill it */
5105 if (rxq->free_count <= RX_LOW_WATERMARK)
5106 queue_work(priv->workqueue, &priv->rx_replenish);
5107
5108 /* If we've added more space for the firmware to place data, tell it */
bf79451e 5109 if (write != rxq->write)
b095c381 5110 ipw_write32(priv, IPW_RX_WRITE_INDEX, rxq->write);
43f66a6c
JK		 5111}
5112
5113/*
5114 * Move all used packet from rx_used to rx_free, allocating a new SKB for each.
bf79451e
JG		 5115 * Also restock the Rx queue via ipw_rx_queue_restock.
5116 *
43f66a6c
JK		 5117 * This is called as a scheduled work item (except for during intialization)
5118 */
5119static void ipw_rx_queue_replenish(void *data)
5120{
5121 struct ipw_priv *priv = data;
5122 struct ipw_rx_queue *rxq = priv->rxq;
5123 struct list_head *element;
5124 struct ipw_rx_mem_buffer *rxb;
5125 unsigned long flags;
5126
5127 spin_lock_irqsave(&rxq->lock, flags);
5128 while (!list_empty(&rxq->rx_used)) {
5129 element = rxq->rx_used.next;
5130 rxb = list_entry(element, struct ipw_rx_mem_buffer, list);
b095c381 5131 rxb->skb = alloc_skb(IPW_RX_BUF_SIZE, GFP_ATOMIC);
43f66a6c
JK		 5132 if (!rxb->skb) {
5133 printk(KERN_CRIT "%s: Can not allocate SKB buffers.\n",
5134 priv->net_dev->name);
5135 /* We don't reschedule replenish work here -- we will
5136 * call the restock method and if it still needs
5137 * more buffers it will schedule replenish */
5138 break;
5139 }
5140 list_del(element);
bf79451e 5141
0edd5b44
JG		 5142 rxb->dma_addr =
5143 pci_map_single(priv->pci_dev, rxb->skb->data,
b095c381 5144 IPW_RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
bf79451e 5145
43f66a6c
JK		 5146 list_add_tail(&rxb->list, &rxq->rx_free);
5147 rxq->free_count++;
5148 }
5149 spin_unlock_irqrestore(&rxq->lock, flags);
5150
5151 ipw_rx_queue_restock(priv);
5152}
5153
c4028958 5154static void ipw_bg_rx_queue_replenish(struct work_struct *work)
c848d0af 5155{
c4028958
DH		 5156 struct ipw_priv *priv =
5157 container_of(work, struct ipw_priv, rx_replenish);
4644151b 5158 mutex_lock(&priv->mutex);
c4028958 5159 ipw_rx_queue_replenish(priv);
4644151b 5160 mutex_unlock(&priv->mutex);
c848d0af
JK		 5161}
5162
43f66a6c 5163/* Assumes that the skb field of the buffers in 'pool' is kept accurate.
c7b6a674 5164 * If an SKB has been detached, the POOL needs to have its SKB set to NULL
bf79451e 5165 * This free routine walks the list of POOL entries and if SKB is set to
43f66a6c
JK		 5166 * non NULL it is unmapped and freed
5167 */
0edd5b44 5168static void ipw_rx_queue_free(struct ipw_priv *priv, struct ipw_rx_queue *rxq)
43f66a6c
JK		 5169{
5170 int i;
5171
5172 if (!rxq)
5173 return;
bf79451e 5174
43f66a6c
JK		 5175 for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) {
5176 if (rxq->pool[i].skb != NULL) {
5177 pci_unmap_single(priv->pci_dev, rxq->pool[i].dma_addr,
b095c381 5178 IPW_RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
43f66a6c
JK		 5179 dev_kfree_skb(rxq->pool[i].skb);
5180 }
5181 }
5182
5183 kfree(rxq);
5184}
5185
5186static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *priv)
5187{
5188 struct ipw_rx_queue *rxq;
5189 int i;
5190
c75f4742 5191 rxq = kzalloc(sizeof(*rxq), GFP_KERNEL);
ad18b0ea
PI		 5192 if (unlikely(!rxq)) {
5193 IPW_ERROR("memory allocation failed\n");
5194 return NULL;
5195 }
43f66a6c
JK		 5196 spin_lock_init(&rxq->lock);
5197 INIT_LIST_HEAD(&rxq->rx_free);
5198 INIT_LIST_HEAD(&rxq->rx_used);
5199
5200 /* Fill the rx_used queue with _all_ of the Rx buffers */
bf79451e 5201 for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++)
43f66a6c
JK		 5202 list_add_tail(&rxq->pool[i].list, &rxq->rx_used);
5203
5204 /* Set us so that we have processed and used all buffers, but have
5205 * not restocked the Rx queue with fresh buffers */
5206 rxq->read = rxq->write = 0;
43f66a6c
JK		 5207 rxq->free_count = 0;
5208
5209 return rxq;
5210}
5211
5212static int ipw_is_rate_in_mask(struct ipw_priv *priv, int ieee_mode, u8 rate)
5213{
5214 rate &= ~IEEE80211_BASIC_RATE_MASK;
5215 if (ieee_mode == IEEE_A) {
5216 switch (rate) {
bf79451e
JG		 5217 case IEEE80211_OFDM_RATE_6MB:
5218 return priv->rates_mask & IEEE80211_OFDM_RATE_6MB_MASK ?
0edd5b44 5219 1 : 0;
bf79451e
JG		 5220 case IEEE80211_OFDM_RATE_9MB:
5221 return priv->rates_mask & IEEE80211_OFDM_RATE_9MB_MASK ?
0edd5b44 5222 1 : 0;
bf79451e 5223 case IEEE80211_OFDM_RATE_12MB:
0edd5b44
JG		 5224 return priv->
5225 rates_mask & IEEE80211_OFDM_RATE_12MB_MASK ? 1 : 0;
bf79451e 5226 case IEEE80211_OFDM_RATE_18MB:
0edd5b44
JG		 5227 return priv->
5228 rates_mask & IEEE80211_OFDM_RATE_18MB_MASK ? 1 : 0;
bf79451e 5229 case IEEE80211_OFDM_RATE_24MB:
0edd5b44
JG		 5230 return priv->
5231 rates_mask & IEEE80211_OFDM_RATE_24MB_MASK ? 1 : 0;
bf79451e 5232 case IEEE80211_OFDM_RATE_36MB:
0edd5b44
JG		 5233 return priv->
5234 rates_mask & IEEE80211_OFDM_RATE_36MB_MASK ? 1 : 0;
bf79451e 5235 case IEEE80211_OFDM_RATE_48MB:
0edd5b44
JG		 5236 return priv->
5237 rates_mask & IEEE80211_OFDM_RATE_48MB_MASK ? 1 : 0;
bf79451e 5238 case IEEE80211_OFDM_RATE_54MB:
0edd5b44
JG		 5239 return priv->
5240 rates_mask & IEEE80211_OFDM_RATE_54MB_MASK ? 1 : 0;
43f66a6c
JK		 5241 default:
5242 return 0;
5243 }
5244 }
bf79451e 5245
43f66a6c
JK		 5246 /* B and G mixed */
5247 switch (rate) {
bf79451e 5248 case IEEE80211_CCK_RATE_1MB:
43f66a6c 5249 return priv->rates_mask & IEEE80211_CCK_RATE_1MB_MASK ? 1 : 0;
bf79451e 5250 case IEEE80211_CCK_RATE_2MB:
43f66a6c 5251 return priv->rates_mask & IEEE80211_CCK_RATE_2MB_MASK ? 1 : 0;
bf79451e 5252 case IEEE80211_CCK_RATE_5MB:
43f66a6c 5253 return priv->rates_mask & IEEE80211_CCK_RATE_5MB_MASK ? 1 : 0;
bf79451e 5254 case IEEE80211_CCK_RATE_11MB:
43f66a6c
JK		 5255 return priv->rates_mask & IEEE80211_CCK_RATE_11MB_MASK ? 1 : 0;
5256 }
5257
5258 /* If we are limited to B modulations, bail at this point */
5259 if (ieee_mode == IEEE_B)
5260 return 0;
5261
5262 /* G */
5263 switch (rate) {
bf79451e 5264 case IEEE80211_OFDM_RATE_6MB:
43f66a6c 5265 return priv->rates_mask & IEEE80211_OFDM_RATE_6MB_MASK ? 1 : 0;
bf79451e 5266 case IEEE80211_OFDM_RATE_9MB:
43f66a6c 5267 return priv->rates_mask & IEEE80211_OFDM_RATE_9MB_MASK ? 1 : 0;
bf79451e 5268 case IEEE80211_OFDM_RATE_12MB:
43f66a6c 5269 return priv->rates_mask & IEEE80211_OFDM_RATE_12MB_MASK ? 1 : 0;
bf79451e 5270 case IEEE80211_OFDM_RATE_18MB:
43f66a6c 5271 return priv->rates_mask & IEEE80211_OFDM_RATE_18MB_MASK ? 1 : 0;
bf79451e 5272 case IEEE80211_OFDM_RATE_24MB:
43f66a6c 5273 return priv->rates_mask & IEEE80211_OFDM_RATE_24MB_MASK ? 1 : 0;
bf79451e 5274 case IEEE80211_OFDM_RATE_36MB:
43f66a6c 5275 return priv->rates_mask & IEEE80211_OFDM_RATE_36MB_MASK ? 1 : 0;
bf79451e 5276 case IEEE80211_OFDM_RATE_48MB:
43f66a6c 5277 return priv->rates_mask & IEEE80211_OFDM_RATE_48MB_MASK ? 1 : 0;
bf79451e 5278 case IEEE80211_OFDM_RATE_54MB:
43f66a6c
JK		 5279 return priv->rates_mask & IEEE80211_OFDM_RATE_54MB_MASK ? 1 : 0;
5280 }
5281
5282 return 0;
5283}
5284
bf79451e 5285static int ipw_compatible_rates(struct ipw_priv *priv,
43f66a6c
JK		 5286 const struct ieee80211_network *network,
5287 struct ipw_supported_rates *rates)
5288{
5289 int num_rates, i;
5290
5291 memset(rates, 0, sizeof(*rates));
0edd5b44 5292 num_rates = min(network->rates_len, (u8) IPW_MAX_RATES);
43f66a6c
JK		 5293 rates->num_rates = 0;
5294 for (i = 0; i < num_rates; i++) {
a613bffd
JK		 5295 if (!ipw_is_rate_in_mask(priv, network->mode,
5296 network->rates[i])) {
5297
ea2b26e0 5298 if (network->rates[i] & IEEE80211_BASIC_RATE_MASK) {
a613bffd
JK		 5299 IPW_DEBUG_SCAN("Adding masked mandatory "
5300 "rate %02X\n",
5301 network->rates[i]);
5302 rates->supported_rates[rates->num_rates++] =
5303 network->rates[i];
5304 continue;
ea2b26e0
JK		 5305 }
5306
43f66a6c
JK		 5307 IPW_DEBUG_SCAN("Rate %02X masked : 0x%08X\n",
5308 network->rates[i], priv->rates_mask);
5309 continue;
5310 }
bf79451e 5311
43f66a6c
JK		 5312 rates->supported_rates[rates->num_rates++] = network->rates[i];
5313 }
5314
a613bffd
JK		 5315 num_rates = min(network->rates_ex_len,
5316 (u8) (IPW_MAX_RATES - num_rates));
43f66a6c 5317 for (i = 0; i < num_rates; i++) {
a613bffd
JK		 5318 if (!ipw_is_rate_in_mask(priv, network->mode,
5319 network->rates_ex[i])) {
ea2b26e0 5320 if (network->rates_ex[i] & IEEE80211_BASIC_RATE_MASK) {
a613bffd
JK		 5321 IPW_DEBUG_SCAN("Adding masked mandatory "
5322 "rate %02X\n",
5323 network->rates_ex[i]);
5324 rates->supported_rates[rates->num_rates++] =
5325 network->rates[i];
5326 continue;
ea2b26e0
JK		 5327 }
5328
43f66a6c
JK		 5329 IPW_DEBUG_SCAN("Rate %02X masked : 0x%08X\n",
5330 network->rates_ex[i], priv->rates_mask);
5331 continue;
5332 }
bf79451e 5333
0edd5b44
JG		 5334 rates->supported_rates[rates->num_rates++] =
5335 network->rates_ex[i];
43f66a6c
JK		 5336 }
5337
ea2b26e0 5338 return 1;
43f66a6c
JK		 5339}
5340
858119e1 5341static void ipw_copy_rates(struct ipw_supported_rates *dest,
43f66a6c
JK		 5342 const struct ipw_supported_rates *src)
5343{
5344 u8 i;
5345 for (i = 0; i < src->num_rates; i++)
5346 dest->supported_rates[i] = src->supported_rates[i];
5347 dest->num_rates = src->num_rates;
5348}
5349
5350/* TODO: Look at sniffed packets in the air to determine if the basic rate
5351 * mask should ever be used -- right now all callers to add the scan rates are
5352 * set with the modulation = CCK, so BASIC_RATE_MASK is never set... */
5353static void ipw_add_cck_scan_rates(struct ipw_supported_rates *rates,
0edd5b44 5354 u8 modulation, u32 rate_mask)
43f66a6c 5355{
bf79451e 5356 u8 basic_mask = (IEEE80211_OFDM_MODULATION == modulation) ?
0edd5b44 5357 IEEE80211_BASIC_RATE_MASK : 0;
bf79451e 5358
43f66a6c 5359 if (rate_mask & IEEE80211_CCK_RATE_1MB_MASK)
bf79451e 5360 rates->supported_rates[rates->num_rates++] =
0edd5b44 5361 IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
43f66a6c
JK		 5362
5363 if (rate_mask & IEEE80211_CCK_RATE_2MB_MASK)
bf79451e 5364 rates->supported_rates[rates->num_rates++] =
0edd5b44 5365 IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
43f66a6c
JK		 5366
5367 if (rate_mask & IEEE80211_CCK_RATE_5MB_MASK)
bf79451e 5368 rates->supported_rates[rates->num_rates++] = basic_mask |
0edd5b44 5369 IEEE80211_CCK_RATE_5MB;
43f66a6c
JK		 5370
5371 if (rate_mask & IEEE80211_CCK_RATE_11MB_MASK)
bf79451e 5372 rates->supported_rates[rates->num_rates++] = basic_mask |
0edd5b44 5373 IEEE80211_CCK_RATE_11MB;
43f66a6c
JK		 5374}
5375
5376static void ipw_add_ofdm_scan_rates(struct ipw_supported_rates *rates,
0edd5b44 5377 u8 modulation, u32 rate_mask)
43f66a6c 5378{
bf79451e 5379 u8 basic_mask = (IEEE80211_OFDM_MODULATION == modulation) ?
0edd5b44 5380 IEEE80211_BASIC_RATE_MASK : 0;
43f66a6c
JK		 5381
5382 if (rate_mask & IEEE80211_OFDM_RATE_6MB_MASK)
bf79451e 5383 rates->supported_rates[rates->num_rates++] = basic_mask |
0edd5b44 5384 IEEE80211_OFDM_RATE_6MB;
43f66a6c
JK		 5385
5386 if (rate_mask & IEEE80211_OFDM_RATE_9MB_MASK)
bf79451e 5387 rates->supported_rates[rates->num_rates++] =
0edd5b44 5388 IEEE80211_OFDM_RATE_9MB;
43f66a6c
JK		 5389
5390 if (rate_mask & IEEE80211_OFDM_RATE_12MB_MASK)
bf79451e 5391 rates->supported_rates[rates->num_rates++] = basic_mask |
0edd5b44 5392 IEEE80211_OFDM_RATE_12MB;
43f66a6c
JK		 5393
5394 if (rate_mask & IEEE80211_OFDM_RATE_18MB_MASK)
bf79451e 5395 rates->supported_rates[rates->num_rates++] =
0edd5b44 5396 IEEE80211_OFDM_RATE_18MB;
43f66a6c
JK		 5397
5398 if (rate_mask & IEEE80211_OFDM_RATE_24MB_MASK)
bf79451e 5399 rates->supported_rates[rates->num_rates++] = basic_mask |
0edd5b44 5400 IEEE80211_OFDM_RATE_24MB;
43f66a6c
JK		 5401
5402 if (rate_mask & IEEE80211_OFDM_RATE_36MB_MASK)
bf79451e 5403 rates->supported_rates[rates->num_rates++] =
0edd5b44 5404 IEEE80211_OFDM_RATE_36MB;
43f66a6c
JK		 5405
5406 if (rate_mask & IEEE80211_OFDM_RATE_48MB_MASK)
bf79451e 5407 rates->supported_rates[rates->num_rates++] =
0edd5b44 5408 IEEE80211_OFDM_RATE_48MB;
43f66a6c
JK		 5409
5410 if (rate_mask & IEEE80211_OFDM_RATE_54MB_MASK)
bf79451e 5411 rates->supported_rates[rates->num_rates++] =
0edd5b44 5412 IEEE80211_OFDM_RATE_54MB;
43f66a6c
JK		 5413}
5414
5415struct ipw_network_match {
5416 struct ieee80211_network *network;
5417 struct ipw_supported_rates rates;
5418};
5419
c848d0af
JK		 5420static int ipw_find_adhoc_network(struct ipw_priv *priv,
5421 struct ipw_network_match *match,
5422 struct ieee80211_network *network,
5423 int roaming)
43f66a6c
JK		 5424{
5425 struct ipw_supported_rates rates;
5426
5427 /* Verify that this network's capability is compatible with the
5428 * current mode (AdHoc or Infrastructure) */
c848d0af 5429 if ((priv->ieee->iw_mode == IW_MODE_ADHOC &&
43f66a6c 5430 !(network->capability & WLAN_CAPABILITY_IBSS))) {
e174961c 5431 IPW_DEBUG_MERGE("Network '%s (%pM)' excluded due to "
bf79451e 5432 "capability mismatch.\n",
7e272fcf 5433 escape_ssid(network->ssid, network->ssid_len),
e174961c 5434 network->bssid);
43f66a6c
JK		 5435 return 0;
5436 }
5437
5438 /* If we do not have an ESSID for this AP, we can not associate with
5439 * it */
5440 if (network->flags & NETWORK_EMPTY_ESSID) {
e174961c 5441 IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
43f66a6c 5442 "because of hidden ESSID.\n",
7e272fcf 5443 escape_ssid(network->ssid, network->ssid_len),
e174961c 5444 network->bssid);
43f66a6c
JK		 5445 return 0;
5446 }
bf79451e 5447
43f66a6c
JK		 5448 if (unlikely(roaming)) {
5449 /* If we are roaming, then ensure check if this is a valid
5450 * network to try and roam to */
5451 if ((network->ssid_len != match->network->ssid_len) ||
bf79451e 5452 memcmp(network->ssid, match->network->ssid,
43f66a6c 5453 network->ssid_len)) {
e174961c 5454 IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
43f66a6c 5455 "because of non-network ESSID.\n",
7e272fcf
JL		 5456 escape_ssid(network->ssid,
5457 network->ssid_len),
e174961c 5458 network->bssid);
43f66a6c
JK		 5459 return 0;
5460 }
5461 } else {
bf79451e
JG		 5462 /* If an ESSID has been configured then compare the broadcast
5463 * ESSID to ours */
5464 if ((priv->config & CFG_STATIC_ESSID) &&
43f66a6c 5465 ((network->ssid_len != priv->essid_len) ||
bf79451e 5466 memcmp(network->ssid, priv->essid,
43f66a6c
JK		 5467 min(network->ssid_len, priv->essid_len)))) {
5468 char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
afbf30a2 5469
0edd5b44 5470 strncpy(escaped,
7e272fcf 5471 escape_ssid(network->ssid, network->ssid_len),
43f66a6c 5472 sizeof(escaped));
e174961c 5473 IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
bf79451e 5474 "because of ESSID mismatch: '%s'.\n",
e174961c 5475 escaped, network->bssid,
7e272fcf
JL		 5476 escape_ssid(priv->essid,
5477 priv->essid_len));
43f66a6c
JK		 5478 return 0;
5479 }
5480 }
5481
5482 /* If the old network rate is better than this one, don't bother
5483 * testing everything else. */
c848d0af
JK		 5484
5485 if (network->time_stamp[0] < match->network->time_stamp[0]) {
afbf30a2
JK		 5486 IPW_DEBUG_MERGE("Network '%s excluded because newer than "
5487 "current network.\n",
7e272fcf
JL		 5488 escape_ssid(match->network->ssid,
5489 match->network->ssid_len));
43f66a6c 5490 return 0;
c848d0af 5491 } else if (network->time_stamp[1] < match->network->time_stamp[1]) {
afbf30a2
JK		 5492 IPW_DEBUG_MERGE("Network '%s excluded because newer than "
5493 "current network.\n",
7e272fcf
JL		 5494 escape_ssid(match->network->ssid,
5495 match->network->ssid_len));
43f66a6c
JK		 5496 return 0;
5497 }
5498
5499 /* Now go through and see if the requested network is valid... */
bf79451e 5500 if (priv->ieee->scan_age != 0 &&
c848d0af 5501 time_after(jiffies, network->last_scanned + priv->ieee->scan_age)) {
e174961c 5502 IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
c7b6a674 5503 "because of age: %ums.\n",
7e272fcf 5504 escape_ssid(network->ssid, network->ssid_len),
e174961c 5505 network->bssid,
2638bc39
ZY		 5506 jiffies_to_msecs(jiffies -
5507 network->last_scanned));
43f66a6c 5508 return 0;
bf79451e 5509 }
43f66a6c 5510
bf79451e 5511 if ((priv->config & CFG_STATIC_CHANNEL) &&
43f66a6c 5512 (network->channel != priv->channel)) {
e174961c 5513 IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
43f66a6c 5514 "because of channel mismatch: %d != %d.\n",
7e272fcf 5515 escape_ssid(network->ssid, network->ssid_len),
e174961c 5516 network->bssid,
43f66a6c
JK		 5517 network->channel, priv->channel);
5518 return 0;
5519 }
bf79451e 5520
43f66a6c 5521 /* Verify privacy compatability */
bf79451e 5522 if (((priv->capability & CAP_PRIVACY_ON) ? 1 : 0) !=
43f66a6c 5523 ((network->capability & WLAN_CAPABILITY_PRIVACY) ? 1 : 0)) {
e174961c 5524 IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
43f66a6c 5525 "because of privacy mismatch: %s != %s.\n",
7e272fcf 5526 escape_ssid(network->ssid, network->ssid_len),
e174961c 5527 network->bssid,
afbf30a2
JK		 5528 priv->
5529 capability & CAP_PRIVACY_ON ? "on" : "off",
5530 network->
5531 capability & WLAN_CAPABILITY_PRIVACY ? "on" :
5532 "off");
43f66a6c
JK		 5533 return 0;
5534 }
bf79451e 5535
c848d0af 5536 if (!memcmp(network->bssid, priv->bssid, ETH_ALEN)) {
e174961c
JB		 5537 IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
5538 "because of the same BSSID match: %pM"
7e272fcf
JL		 5539 ".\n", escape_ssid(network->ssid,
5540 network->ssid_len),
e174961c
JB		 5541 network->bssid,
5542 priv->bssid);
43f66a6c
JK		 5543 return 0;
5544 }
bf79451e 5545
43f66a6c
JK		 5546 /* Filter out any incompatible freq / mode combinations */
5547 if (!ieee80211_is_valid_mode(priv->ieee, network->mode)) {
e174961c 5548 IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
43f66a6c
JK		 5549 "because of invalid frequency/mode "
5550 "combination.\n",
7e272fcf 5551 escape_ssid(network->ssid, network->ssid_len),
e174961c 5552 network->bssid);
43f66a6c
JK		 5553 return 0;
5554 }
bf79451e 5555
c848d0af
JK		 5556 /* Ensure that the rates supported by the driver are compatible with
5557 * this AP, including verification of basic rates (mandatory) */
5558 if (!ipw_compatible_rates(priv, network, &rates)) {
e174961c 5559 IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
c848d0af
JK		 5560 "because configured rate mask excludes "
5561 "AP mandatory rate.\n",
7e272fcf 5562 escape_ssid(network->ssid, network->ssid_len),
e174961c 5563 network->bssid);
c848d0af
JK		 5564 return 0;
5565 }
5566
43f66a6c 5567 if (rates.num_rates == 0) {
e174961c 5568 IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
43f66a6c 5569 "because of no compatible rates.\n",
7e272fcf 5570 escape_ssid(network->ssid, network->ssid_len),
e174961c 5571 network->bssid);
43f66a6c
JK		 5572 return 0;
5573 }
bf79451e 5574
43f66a6c
JK		 5575 /* TODO: Perform any further minimal comparititive tests. We do not
5576 * want to put too much policy logic here; intelligent scan selection
5577 * should occur within a generic IEEE 802.11 user space tool. */
5578
5579 /* Set up 'new' AP to this network */
5580 ipw_copy_rates(&match->rates, &rates);
5581 match->network = network;
e174961c 5582 IPW_DEBUG_MERGE("Network '%s (%pM)' is a viable match.\n",
7e272fcf 5583 escape_ssid(network->ssid, network->ssid_len),
e174961c 5584 network->bssid);
43f66a6c
JK		 5585
5586 return 1;
5587}
5588
c4028958 5589static void ipw_merge_adhoc_network(struct work_struct *work)
43f66a6c 5590{
c4028958
DH		 5591 struct ipw_priv *priv =
5592 container_of(work, struct ipw_priv, merge_networks);
c848d0af
JK		 5593 struct ieee80211_network *network = NULL;
5594 struct ipw_network_match match = {
5595 .network = priv->assoc_network
5596 };
5597
afbf30a2
JK		 5598 if ((priv->status & STATUS_ASSOCIATED) &&
5599 (priv->ieee->iw_mode == IW_MODE_ADHOC)) {
c848d0af
JK		 5600 /* First pass through ROAM process -- look for a better
5601 * network */
5602 unsigned long flags;
5603
5604 spin_lock_irqsave(&priv->ieee->lock, flags);
5605 list_for_each_entry(network, &priv->ieee->network_list, list) {
5606 if (network != priv->assoc_network)
5607 ipw_find_adhoc_network(priv, &match, network,
5608 1);
5609 }
5610 spin_unlock_irqrestore(&priv->ieee->lock, flags);
5611
5612 if (match.network == priv->assoc_network) {
5613 IPW_DEBUG_MERGE("No better ADHOC in this network to "
5614 "merge to.\n");
5615 return;
5616 }
5617
4644151b 5618 mutex_lock(&priv->mutex);
c848d0af
JK		 5619 if ((priv->ieee->iw_mode == IW_MODE_ADHOC)) {
5620 IPW_DEBUG_MERGE("remove network %s\n",
7e272fcf
JL		 5621 escape_ssid(priv->essid,
5622 priv->essid_len));
c848d0af 5623 ipw_remove_current_network(priv);
43f66a6c 5624 }
c848d0af
JK		 5625
5626 ipw_disassociate(priv);
5627 priv->assoc_network = match.network;
4644151b 5628 mutex_unlock(&priv->mutex);
c848d0af 5629 return;
43f66a6c 5630 }
c848d0af 5631}
43f66a6c 5632
0edd5b44
JG		 5633static int ipw_best_network(struct ipw_priv *priv,
5634 struct ipw_network_match *match,
5635 struct ieee80211_network *network, int roaming)
43f66a6c
JK		 5636{
5637 struct ipw_supported_rates rates;
5638
5639 /* Verify that this network's capability is compatible with the
5640 * current mode (AdHoc or Infrastructure) */
5641 if ((priv->ieee->iw_mode == IW_MODE_INFRA &&
2474385e 5642 !(network->capability & WLAN_CAPABILITY_ESS)) ||
43f66a6c
JK		 5643 (priv->ieee->iw_mode == IW_MODE_ADHOC &&
5644 !(network->capability & WLAN_CAPABILITY_IBSS))) {
e174961c 5645 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded due to "
bf79451e 5646 "capability mismatch.\n",
7e272fcf 5647 escape_ssid(network->ssid, network->ssid_len),
e174961c 5648 network->bssid);
43f66a6c
JK		 5649 return 0;
5650 }
5651
5652 /* If we do not have an ESSID for this AP, we can not associate with
5653 * it */
5654 if (network->flags & NETWORK_EMPTY_ESSID) {
e174961c 5655 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
43f66a6c 5656 "because of hidden ESSID.\n",
7e272fcf 5657 escape_ssid(network->ssid, network->ssid_len),
e174961c 5658 network->bssid);
43f66a6c
JK		 5659 return 0;
5660 }
bf79451e 5661
43f66a6c
JK		 5662 if (unlikely(roaming)) {
5663 /* If we are roaming, then ensure check if this is a valid
5664 * network to try and roam to */
5665 if ((network->ssid_len != match->network->ssid_len) ||
bf79451e 5666 memcmp(network->ssid, match->network->ssid,
43f66a6c 5667 network->ssid_len)) {
e174961c 5668 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
43f66a6c 5669 "because of non-network ESSID.\n",
7e272fcf 5670 escape_ssid(network->ssid,
43f66a6c 5671 network->ssid_len),
e174961c 5672 network->bssid);
43f66a6c
JK		 5673 return 0;
5674 }
5675 } else {
bf79451e
JG		 5676 /* If an ESSID has been configured then compare the broadcast
5677 * ESSID to ours */
5678 if ((priv->config & CFG_STATIC_ESSID) &&
43f66a6c 5679 ((network->ssid_len != priv->essid_len) ||
bf79451e 5680 memcmp(network->ssid, priv->essid,
43f66a6c
JK		 5681 min(network->ssid_len, priv->essid_len)))) {
5682 char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
0edd5b44 5683 strncpy(escaped,
7e272fcf 5684 escape_ssid(network->ssid, network->ssid_len),
43f66a6c 5685 sizeof(escaped));
e174961c 5686 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
bf79451e 5687 "because of ESSID mismatch: '%s'.\n",
e174961c 5688 escaped, network->bssid,
7e272fcf
JL		 5689 escape_ssid(priv->essid,
5690 priv->essid_len));
43f66a6c
JK		 5691 return 0;
5692 }
5693 }
5694
5695 /* If the old network rate is better than this one, don't bother
5696 * testing everything else. */
0edd5b44 5697 if (match->network && match->network->stats.rssi > network->stats.rssi) {
43f66a6c 5698 char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
bf79451e 5699 strncpy(escaped,
7e272fcf 5700 escape_ssid(network->ssid, network->ssid_len),
43f66a6c 5701 sizeof(escaped));
e174961c
JB		 5702 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded because "
5703 "'%s (%pM)' has a stronger signal.\n",
5704 escaped, network->bssid,
7e272fcf
JL		 5705 escape_ssid(match->network->ssid,
5706 match->network->ssid_len),
e174961c 5707 match->network->bssid);
43f66a6c
JK		 5708 return 0;
5709 }
bf79451e 5710
43f66a6c
JK		 5711 /* If this network has already had an association attempt within the
5712 * last 3 seconds, do not try and associate again... */
5713 if (network->last_associate &&
ea2b26e0 5714 time_after(network->last_associate + (HZ * 3UL), jiffies)) {
e174961c 5715 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
c7b6a674 5716 "because of storming (%ums since last "
43f66a6c 5717 "assoc attempt).\n",
7e272fcf 5718 escape_ssid(network->ssid, network->ssid_len),
e174961c 5719 network->bssid,
2638bc39
ZY		 5720 jiffies_to_msecs(jiffies -
5721 network->last_associate));
43f66a6c
JK		 5722 return 0;
5723 }
5724
5725 /* Now go through and see if the requested network is valid... */
bf79451e 5726 if (priv->ieee->scan_age != 0 &&
ea2b26e0 5727 time_after(jiffies, network->last_scanned + priv->ieee->scan_age)) {
e174961c 5728 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
c7b6a674 5729 "because of age: %ums.\n",
7e272fcf 5730 escape_ssid(network->ssid, network->ssid_len),
e174961c 5731 network->bssid,
2638bc39
ZY		 5732 jiffies_to_msecs(jiffies -
5733 network->last_scanned));
43f66a6c 5734 return 0;
bf79451e 5735 }
43f66a6c 5736
bf79451e 5737 if ((priv->config & CFG_STATIC_CHANNEL) &&
43f66a6c 5738 (network->channel != priv->channel)) {
e174961c 5739 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
43f66a6c 5740 "because of channel mismatch: %d != %d.\n",
7e272fcf 5741 escape_ssid(network->ssid, network->ssid_len),
e174961c 5742 network->bssid,
43f66a6c
JK		 5743 network->channel, priv->channel);
5744 return 0;
5745 }
bf79451e 5746
43f66a6c 5747 /* Verify privacy compatability */
bf79451e 5748 if (((priv->capability & CAP_PRIVACY_ON) ? 1 : 0) !=
43f66a6c 5749 ((network->capability & WLAN_CAPABILITY_PRIVACY) ? 1 : 0)) {
e174961c 5750 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
43f66a6c 5751 "because of privacy mismatch: %s != %s.\n",
7e272fcf 5752 escape_ssid(network->ssid, network->ssid_len),
e174961c 5753 network->bssid,
bf79451e 5754 priv->capability & CAP_PRIVACY_ON ? "on" :
43f66a6c 5755 "off",
bf79451e 5756 network->capability &
0edd5b44 5757 WLAN_CAPABILITY_PRIVACY ? "on" : "off");
43f66a6c
JK		 5758 return 0;
5759 }
bf79451e
JG		 5760
5761 if ((priv->config & CFG_STATIC_BSSID) &&
43f66a6c 5762 memcmp(network->bssid, priv->bssid, ETH_ALEN)) {
e174961c
JB		 5763 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
5764 "because of BSSID mismatch: %pM.\n",
7e272fcf 5765 escape_ssid(network->ssid, network->ssid_len),
e174961c 5766 network->bssid, priv->bssid);
43f66a6c
JK		 5767 return 0;
5768 }
bf79451e 5769
43f66a6c
JK		 5770 /* Filter out any incompatible freq / mode combinations */
5771 if (!ieee80211_is_valid_mode(priv->ieee, network->mode)) {
e174961c 5772 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
43f66a6c
JK		 5773 "because of invalid frequency/mode "
5774 "combination.\n",
7e272fcf 5775 escape_ssid(network->ssid, network->ssid_len),
e174961c 5776 network->bssid);
43f66a6c
JK		 5777 return 0;
5778 }
bf79451e 5779
1fe0adb4 5780 /* Filter out invalid channel in current GEO */
1867b117 5781 if (!ieee80211_is_valid_channel(priv->ieee, network->channel)) {
e174961c 5782 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
1fe0adb4 5783 "because of invalid channel in current GEO\n",
7e272fcf 5784 escape_ssid(network->ssid, network->ssid_len),
e174961c 5785 network->bssid);
1fe0adb4
LH		 5786 return 0;
5787 }
5788
ea2b26e0
JK		 5789 /* Ensure that the rates supported by the driver are compatible with
5790 * this AP, including verification of basic rates (mandatory) */
5791 if (!ipw_compatible_rates(priv, network, &rates)) {
e174961c 5792 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
ea2b26e0
JK		 5793 "because configured rate mask excludes "
5794 "AP mandatory rate.\n",
7e272fcf 5795 escape_ssid(network->ssid, network->ssid_len),
e174961c 5796 network->bssid);
ea2b26e0
JK		 5797 return 0;
5798 }
5799
43f66a6c 5800 if (rates.num_rates == 0) {
e174961c 5801 IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
43f66a6c 5802 "because of no compatible rates.\n",
7e272fcf 5803 escape_ssid(network->ssid, network->ssid_len),
e174961c 5804 network->bssid);
43f66a6c
JK		 5805 return 0;
5806 }
bf79451e 5807
43f66a6c
JK		 5808 /* TODO: Perform any further minimal comparititive tests. We do not
5809 * want to put too much policy logic here; intelligent scan selection
5810 * should occur within a generic IEEE 802.11 user space tool. */
5811
5812 /* Set up 'new' AP to this network */
5813 ipw_copy_rates(&match->rates, &rates);
5814 match->network = network;
5815
e174961c 5816 IPW_DEBUG_ASSOC("Network '%s (%pM)' is a viable match.\n",
7e272fcf 5817 escape_ssid(network->ssid, network->ssid_len),
e174961c 5818 network->bssid);
43f66a6c
JK		 5819
5820 return 1;
5821}
5822
bf79451e 5823static void ipw_adhoc_create(struct ipw_priv *priv,
0edd5b44 5824 struct ieee80211_network *network)
43f66a6c 5825{
1867b117 5826 const struct ieee80211_geo *geo = ieee80211_get_geo(priv->ieee);
afbf30a2
JK		 5827 int i;
5828
43f66a6c
JK		 5829 /*
5830 * For the purposes of scanning, we can set our wireless mode
5831 * to trigger scans across combinations of bands, but when it
5832 * comes to creating a new ad-hoc network, we have tell the FW
5833 * exactly which band to use.
5834 *
bf79451e 5835 * We also have the possibility of an invalid channel for the
43f66a6c
JK		 5836 * chossen band. Attempting to create a new ad-hoc network
5837 * with an invalid channel for wireless mode will trigger a
5838 * FW fatal error.
afbf30a2 5839 *
43f66a6c 5840 */
1867b117 5841 switch (ieee80211_is_valid_channel(priv->ieee, priv->channel)) {
afbf30a2
JK		 5842 case IEEE80211_52GHZ_BAND:
5843 network->mode = IEEE_A;
1867b117 5844 i = ieee80211_channel_to_index(priv->ieee, priv->channel);
5d9428de 5845 BUG_ON(i == -1);
afbf30a2
JK		 5846 if (geo->a[i].flags & IEEE80211_CH_PASSIVE_ONLY) {
5847 IPW_WARNING("Overriding invalid channel\n");
5848 priv->channel = geo->a[0].channel;
5849 }
5850 break;
5851
5852 case IEEE80211_24GHZ_BAND:
5853 if (priv->ieee->mode & IEEE_G)
5854 network->mode = IEEE_G;
5855 else
5856 network->mode = IEEE_B;
1867b117 5857 i = ieee80211_channel_to_index(priv->ieee, priv->channel);
5d9428de 5858 BUG_ON(i == -1);
1fe0adb4
LH		 5859 if (geo->bg[i].flags & IEEE80211_CH_PASSIVE_ONLY) {
5860 IPW_WARNING("Overriding invalid channel\n");
5861 priv->channel = geo->bg[0].channel;
5862 }
afbf30a2
JK		 5863 break;
5864
5865 default:
43f66a6c
JK		 5866 IPW_WARNING("Overriding invalid channel\n");
5867 if (priv->ieee->mode & IEEE_A) {
5868 network->mode = IEEE_A;
b095c381 5869 priv->channel = geo->a[0].channel;
43f66a6c
JK		 5870 } else if (priv->ieee->mode & IEEE_G) {
5871 network->mode = IEEE_G;
b095c381 5872 priv->channel = geo->bg[0].channel;
43f66a6c
JK		 5873 } else {
5874 network->mode = IEEE_B;
b095c381 5875 priv->channel = geo->bg[0].channel;
43f66a6c 5876 }
afbf30a2
JK		 5877 break;
5878 }
43f66a6c
JK		 5879
5880 network->channel = priv->channel;
5881 priv->config |= CFG_ADHOC_PERSIST;
5882 ipw_create_bssid(priv, network->bssid);
5883 network->ssid_len = priv->essid_len;
5884 memcpy(network->ssid, priv->essid, priv->essid_len);
5885 memset(&network->stats, 0, sizeof(network->stats));
5886 network->capability = WLAN_CAPABILITY_IBSS;
ea2b26e0
JK		 5887 if (!(priv->config & CFG_PREAMBLE_LONG))
5888 network->capability |= WLAN_CAPABILITY_SHORT_PREAMBLE;
43f66a6c
JK		 5889 if (priv->capability & CAP_PRIVACY_ON)
5890 network->capability |= WLAN_CAPABILITY_PRIVACY;
5891 network->rates_len = min(priv->rates.num_rates, MAX_RATES_LENGTH);
0edd5b44 5892 memcpy(network->rates, priv->rates.supported_rates, network->rates_len);
43f66a6c 5893 network->rates_ex_len = priv->rates.num_rates - network->rates_len;
bf79451e 5894 memcpy(network->rates_ex,
43f66a6c
JK		 5895 &priv->rates.supported_rates[network->rates_len],
5896 network->rates_ex_len);
5897 network->last_scanned = 0;
5898 network->flags = 0;
5899 network->last_associate = 0;
5900 network->time_stamp[0] = 0;
5901 network->time_stamp[1] = 0;
0edd5b44
JG		 5902 network->beacon_interval = 100; /* Default */
5903 network->listen_interval = 10; /* Default */
5904 network->atim_window = 0; /* Default */
43f66a6c
JK		 5905 network->wpa_ie_len = 0;
5906 network->rsn_ie_len = 0;
43f66a6c
JK		 5907}
5908
b095c381
JK		 5909static void ipw_send_tgi_tx_key(struct ipw_priv *priv, int type, int index)
5910{
0a7bcf26 5911 struct ipw_tgi_tx_key key;
b095c381
JK		 5912
5913 if (!(priv->ieee->sec.flags & (1 << index)))
5914 return;
5915
0a7bcf26
ZY		 5916 key.key_id = index;
5917 memcpy(key.key, priv->ieee->sec.keys[index], SCM_TEMPORAL_KEY_LENGTH);
5918 key.security_type = type;
5919 key.station_index = 0; /* always 0 for BSS */
5920 key.flags = 0;
b095c381 5921 /* 0 for new key; previous value of counter (after fatal error) */
851ca268
ZY		 5922 key.tx_counter[0] = cpu_to_le32(0);
5923 key.tx_counter[1] = cpu_to_le32(0);
b095c381 5924
0a7bcf26 5925 ipw_send_cmd_pdu(priv, IPW_CMD_TGI_TX_KEY, sizeof(key), &key);
b095c381
JK		 5926}
5927
5928static void ipw_send_wep_keys(struct ipw_priv *priv, int type)
43f66a6c 5929{
0a7bcf26 5930 struct ipw_wep_key key;
43f66a6c 5931 int i;
43f66a6c 5932
0a7bcf26
ZY		 5933 key.cmd_id = DINO_CMD_WEP_KEY;
5934 key.seq_num = 0;
43f66a6c 5935
b095c381
JK		 5936 /* Note: AES keys cannot be set for multiple times.
5937 * Only set it at the first time. */
bf79451e 5938 for (i = 0; i < 4; i++) {
0a7bcf26 5939 key.key_index = i | type;
b095c381 5940 if (!(priv->ieee->sec.flags & (1 << i))) {
0a7bcf26 5941 key.key_size = 0;
b095c381 5942 continue;
43f66a6c
JK		 5943 }
5944
0a7bcf26
ZY		 5945 key.key_size = priv->ieee->sec.key_sizes[i];
5946 memcpy(key.key, priv->ieee->sec.keys[i], key.key_size);
b095c381 5947
0a7bcf26 5948 ipw_send_cmd_pdu(priv, IPW_CMD_WEP_KEY, sizeof(key), &key);
bf79451e 5949 }
43f66a6c
JK		 5950}
5951
1fbfea54 5952static void ipw_set_hw_decrypt_unicast(struct ipw_priv *priv, int level)
43f66a6c 5953{
1fbfea54 5954 if (priv->ieee->host_encrypt)
43f66a6c 5955 return;
43f66a6c 5956
1fbfea54
ZY		 5957 switch (level) {
5958 case SEC_LEVEL_3:
5959 priv->sys_config.disable_unicast_decryption = 0;
5960 priv->ieee->host_decrypt = 0;
5961 break;
5962 case SEC_LEVEL_2:
5963 priv->sys_config.disable_unicast_decryption = 1;
5964 priv->ieee->host_decrypt = 1;
5965 break;
5966 case SEC_LEVEL_1:
5967 priv->sys_config.disable_unicast_decryption = 0;
5968 priv->ieee->host_decrypt = 0;
5969 break;
5970 case SEC_LEVEL_0:
5971 priv->sys_config.disable_unicast_decryption = 1;
5972 break;
5973 default:
5974 break;
5975 }
5976}
5977
5978static void ipw_set_hw_decrypt_multicast(struct ipw_priv *priv, int level)
5979{
5980 if (priv->ieee->host_encrypt)
5981 return;
5982
5983 switch (level) {
5984 case SEC_LEVEL_3:
5985 priv->sys_config.disable_multicast_decryption = 0;
5986 break;
5987 case SEC_LEVEL_2:
5988 priv->sys_config.disable_multicast_decryption = 1;
5989 break;
5990 case SEC_LEVEL_1:
5991 priv->sys_config.disable_multicast_decryption = 0;
5992 break;
5993 case SEC_LEVEL_0:
5994 priv->sys_config.disable_multicast_decryption = 1;
5995 break;
5996 default:
5997 break;
5998 }
5999}
6000
b095c381
JK		 6001static void ipw_set_hwcrypto_keys(struct ipw_priv *priv)
6002{
6003 switch (priv->ieee->sec.level) {
6004 case SEC_LEVEL_3:
d8bad6df
ZY		 6005 if (priv->ieee->sec.flags & SEC_ACTIVE_KEY)
6006 ipw_send_tgi_tx_key(priv,
6007 DCT_FLAG_EXT_SECURITY_CCM,
6008 priv->ieee->sec.active_key);
afbf30a2 6009
567deaf6
HL		 6010 if (!priv->ieee->host_mc_decrypt)
6011 ipw_send_wep_keys(priv, DCW_WEP_KEY_SEC_TYPE_CCM);
b095c381
JK		 6012 break;
6013 case SEC_LEVEL_2:
d8bad6df
ZY		 6014 if (priv->ieee->sec.flags & SEC_ACTIVE_KEY)
6015 ipw_send_tgi_tx_key(priv,
6016 DCT_FLAG_EXT_SECURITY_TKIP,
6017 priv->ieee->sec.active_key);
b095c381
JK		 6018 break;
6019 case SEC_LEVEL_1:
6020 ipw_send_wep_keys(priv, DCW_WEP_KEY_SEC_TYPE_WEP);
29cb843e
HL		 6021 ipw_set_hw_decrypt_unicast(priv, priv->ieee->sec.level);
6022 ipw_set_hw_decrypt_multicast(priv, priv->ieee->sec.level);
b095c381
JK		 6023 break;
6024 case SEC_LEVEL_0:
6025 default:
6026 break;
6027 }
6028}
6029
43f66a6c
JK		 6030static void ipw_adhoc_check(void *data)
6031{
6032 struct ipw_priv *priv = data;
bf79451e 6033
afbf30a2 6034 if (priv->missed_adhoc_beacons++ > priv->disassociate_threshold &&
43f66a6c 6035 !(priv->config & CFG_ADHOC_PERSIST)) {
afbf30a2
JK		 6036 IPW_DEBUG(IPW_DL_INFO | IPW_DL_NOTIF |
6037 IPW_DL_STATE | IPW_DL_ASSOC,
6038 "Missed beacon: %d - disassociate\n",
6039 priv->missed_adhoc_beacons);
43f66a6c
JK		 6040 ipw_remove_current_network(priv);
6041 ipw_disassociate(priv);
6042 return;
6043 }
6044
bf79451e 6045 queue_delayed_work(priv->workqueue, &priv->adhoc_check,
5b5e807f 6046 le16_to_cpu(priv->assoc_request.beacon_interval));
43f66a6c
JK		 6047}
6048
c4028958 6049static void ipw_bg_adhoc_check(struct work_struct *work)
c848d0af 6050{
c4028958
DH		 6051 struct ipw_priv *priv =
6052 container_of(work, struct ipw_priv, adhoc_check.work);
4644151b 6053 mutex_lock(&priv->mutex);
c4028958 6054 ipw_adhoc_check(priv);
4644151b 6055 mutex_unlock(&priv->mutex);
c848d0af
JK		 6056}
6057
43f66a6c
JK		 6058static void ipw_debug_config(struct ipw_priv *priv)
6059{
6060 IPW_DEBUG_INFO("Scan completed, no valid APs matched "
6061 "[CFG 0x%08X]\n", priv->config);
6062 if (priv->config & CFG_STATIC_CHANNEL)
0edd5b44 6063 IPW_DEBUG_INFO("Channel locked to %d\n", priv->channel);
43f66a6c
JK		 6064 else
6065 IPW_DEBUG_INFO("Channel unlocked.\n");
6066 if (priv->config & CFG_STATIC_ESSID)
bf79451e 6067 IPW_DEBUG_INFO("ESSID locked to '%s'\n",
7e272fcf 6068 escape_ssid(priv->essid, priv->essid_len));
43f66a6c
JK		 6069 else
6070 IPW_DEBUG_INFO("ESSID unlocked.\n");
6071 if (priv->config & CFG_STATIC_BSSID)
e174961c 6072 IPW_DEBUG_INFO("BSSID locked to %pM\n", priv->bssid);
43f66a6c
JK		 6073 else
6074 IPW_DEBUG_INFO("BSSID unlocked.\n");
6075 if (priv->capability & CAP_PRIVACY_ON)
6076 IPW_DEBUG_INFO("PRIVACY on\n");
6077 else
6078 IPW_DEBUG_INFO("PRIVACY off\n");
6079 IPW_DEBUG_INFO("RATE MASK: 0x%08X\n", priv->rates_mask);
6080}
43f66a6c 6081
858119e1 6082static void ipw_set_fixed_rate(struct ipw_priv *priv, int mode)
43f66a6c
JK		 6083{
6084 /* TODO: Verify that this works... */
6085 struct ipw_fixed_rate fr = {
6086 .tx_rates = priv->rates_mask
6087 };
6088 u32 reg;
6089 u16 mask = 0;
6090
bf79451e 6091 /* Identify 'current FW band' and match it with the fixed
43f66a6c 6092 * Tx rates */
bf79451e 6093
43f66a6c 6094 switch (priv->ieee->freq_band) {
0edd5b44 6095 case IEEE80211_52GHZ_BAND: /* A only */
43f66a6c
JK		 6096 /* IEEE_A */
6097 if (priv->rates_mask & ~IEEE80211_OFDM_RATES_MASK) {
6098 /* Invalid fixed rate mask */
ea2b26e0
JK		 6099 IPW_DEBUG_WX
6100 ("invalid fixed rate mask in ipw_set_fixed_rate\n");
43f66a6c
JK		 6101 fr.tx_rates = 0;
6102 break;
6103 }
bf79451e 6104
43f66a6c
JK		 6105 fr.tx_rates >>= IEEE80211_OFDM_SHIFT_MASK_A;
6106 break;
6107
0edd5b44 6108 default: /* 2.4Ghz or Mixed */
43f66a6c 6109 /* IEEE_B */
b095c381 6110 if (mode == IEEE_B) {
43f66a6c
JK		 6111 if (fr.tx_rates & ~IEEE80211_CCK_RATES_MASK) {
6112 /* Invalid fixed rate mask */
ea2b26e0
JK		 6113 IPW_DEBUG_WX
6114 ("invalid fixed rate mask in ipw_set_fixed_rate\n");
43f66a6c
JK		 6115 fr.tx_rates = 0;
6116 }
6117 break;
bf79451e 6118 }
43f66a6c
JK		 6119
6120 /* IEEE_G */
6121 if (fr.tx_rates & ~(IEEE80211_CCK_RATES_MASK |
6122 IEEE80211_OFDM_RATES_MASK)) {
6123 /* Invalid fixed rate mask */
ea2b26e0
JK		 6124 IPW_DEBUG_WX
6125 ("invalid fixed rate mask in ipw_set_fixed_rate\n");
43f66a6c
JK		 6126 fr.tx_rates = 0;
6127 break;
6128 }
bf79451e 6129
43f66a6c
JK		 6130 if (IEEE80211_OFDM_RATE_6MB_MASK & fr.tx_rates) {
6131 mask |= (IEEE80211_OFDM_RATE_6MB_MASK >> 1);
6132 fr.tx_rates &= ~IEEE80211_OFDM_RATE_6MB_MASK;
6133 }
bf79451e 6134
43f66a6c
JK		 6135 if (IEEE80211_OFDM_RATE_9MB_MASK & fr.tx_rates) {
6136 mask |= (IEEE80211_OFDM_RATE_9MB_MASK >> 1);
6137 fr.tx_rates &= ~IEEE80211_OFDM_RATE_9MB_MASK;
6138 }
bf79451e 6139
43f66a6c
JK		 6140 if (IEEE80211_OFDM_RATE_12MB_MASK & fr.tx_rates) {
6141 mask |= (IEEE80211_OFDM_RATE_12MB_MASK >> 1);
6142 fr.tx_rates &= ~IEEE80211_OFDM_RATE_12MB_MASK;
6143 }
bf79451e 6144
43f66a6c
JK		 6145 fr.tx_rates |= mask;
6146 break;
6147 }
6148
6149 reg = ipw_read32(priv, IPW_MEM_FIXED_OVERRIDE);
0edd5b44 6150 ipw_write_reg32(priv, reg, *(u32 *) & fr);
43f66a6c
JK		 6151}
6152
ea2b26e0 6153static void ipw_abort_scan(struct ipw_priv *priv)
43f66a6c
JK		 6154{
6155 int err;
6156
ea2b26e0
JK		 6157 if (priv->status & STATUS_SCAN_ABORTING) {
6158 IPW_DEBUG_HC("Ignoring concurrent scan abort request.\n");
6159 return;
6160 }
6161 priv->status |= STATUS_SCAN_ABORTING;
43f66a6c 6162
ea2b26e0
JK		 6163 err = ipw_send_scan_abort(priv);
6164 if (err)
6165 IPW_DEBUG_HC("Request to abort scan failed.\n");
6166}
6167
afbf30a2
JK		 6168static void ipw_add_scan_channels(struct ipw_priv *priv,
6169 struct ipw_scan_request_ext *scan,
6170 int scan_type)
ea2b26e0 6171{
ea2b26e0 6172 int channel_index = 0;
b095c381 6173 const struct ieee80211_geo *geo;
afbf30a2 6174 int i;
b095c381 6175
1867b117 6176 geo = ieee80211_get_geo(priv->ieee);
43f66a6c 6177
afbf30a2
JK		 6178 if (priv->ieee->freq_band & IEEE80211_52GHZ_BAND) {
6179 int start = channel_index;
6180 for (i = 0; i < geo->a_channels; i++) {
6181 if ((priv->status & STATUS_ASSOCIATED) &&
6182 geo->a[i].channel == priv->channel)
6183 continue;
6184 channel_index++;
6185 scan->channels_list[channel_index] = geo->a[i].channel;
1fe0adb4
LH		 6186 ipw_set_scan_type(scan, channel_index,
6187 geo->a[i].
6188 flags & IEEE80211_CH_PASSIVE_ONLY ?
6189 IPW_SCAN_PASSIVE_FULL_DWELL_SCAN :
6190 scan_type);
afbf30a2
JK		 6191 }
6192
6193 if (start != channel_index) {
6194 scan->channels_list[start] = (u8) (IPW_A_MODE << 6) |
6195 (channel_index - start);
6196 channel_index++;
6197 }
6198 }
6199
6200 if (priv->ieee->freq_band & IEEE80211_24GHZ_BAND) {
6201 int start = channel_index;
6202 if (priv->config & CFG_SPEED_SCAN) {
1fe0adb4 6203 int index;
afbf30a2
JK		 6204 u8 channels[IEEE80211_24GHZ_CHANNELS] = {
6205 /* nop out the list */
6206 [0] = 0
6207 };
6208
6209 u8 channel;
6210 while (channel_index < IPW_SCAN_CHANNELS) {
6211 channel =
6212 priv->speed_scan[priv->speed_scan_pos];
6213 if (channel == 0) {
6214 priv->speed_scan_pos = 0;
6215 channel = priv->speed_scan[0];
6216 }
6217 if ((priv->status & STATUS_ASSOCIATED) &&
6218 channel == priv->channel) {
6219 priv->speed_scan_pos++;
6220 continue;
6221 }
6222
6223 /* If this channel has already been
6224 * added in scan, break from loop
6225 * and this will be the first channel
6226 * in the next scan.
6227 */
6228 if (channels[channel - 1] != 0)
6229 break;
6230
6231 channels[channel - 1] = 1;
6232 priv->speed_scan_pos++;
6233 channel_index++;
6234 scan->channels_list[channel_index] = channel;
1fe0adb4 6235 index =
1867b117 6236 ieee80211_channel_to_index(priv->ieee, channel);
afbf30a2 6237 ipw_set_scan_type(scan, channel_index,
1fe0adb4
LH		 6238 geo->bg[index].
6239 flags &
6240 IEEE80211_CH_PASSIVE_ONLY ?
6241 IPW_SCAN_PASSIVE_FULL_DWELL_SCAN
6242 : scan_type);
afbf30a2
JK		 6243 }
6244 } else {
6245 for (i = 0; i < geo->bg_channels; i++) {
6246 if ((priv->status & STATUS_ASSOCIATED) &&
6247 geo->bg[i].channel == priv->channel)
6248 continue;
6249 channel_index++;
6250 scan->channels_list[channel_index] =
6251 geo->bg[i].channel;
6252 ipw_set_scan_type(scan, channel_index,
1fe0adb4
LH		 6253 geo->bg[i].
6254 flags &
6255 IEEE80211_CH_PASSIVE_ONLY ?
6256 IPW_SCAN_PASSIVE_FULL_DWELL_SCAN
6257 : scan_type);
afbf30a2
JK		 6258 }
6259 }
6260
6261 if (start != channel_index) {
6262 scan->channels_list[start] = (u8) (IPW_B_MODE << 6) |
6263 (channel_index - start);
6264 }
6265 }
6266}
6267
ea177305 6268static int ipw_request_scan_helper(struct ipw_priv *priv, int type, int direct)
afbf30a2
JK		 6269{
6270 struct ipw_scan_request_ext scan;
6271 int err = 0, scan_type;
6272
6273 if (!(priv->status & STATUS_INIT) ||
6274 (priv->status & STATUS_EXIT_PENDING))
6275 return 0;
6276
4644151b 6277 mutex_lock(&priv->mutex);
afbf30a2 6278
ea177305
DW		 6279 if (direct && (priv->direct_scan_ssid_len == 0)) {
6280 IPW_DEBUG_HC("Direct scan requested but no SSID to scan for\n");
6281 priv->status &= ~STATUS_DIRECT_SCAN_PENDING;
6282 goto done;
6283 }
6284
ea2b26e0 6285 if (priv->status & STATUS_SCANNING) {
ea177305
DW		 6286 IPW_DEBUG_HC("Concurrent scan requested. Queuing.\n");
6287 priv->status |= direct ? STATUS_DIRECT_SCAN_PENDING :
6288 STATUS_SCAN_PENDING;
b095c381 6289 goto done;
ea2b26e0 6290 }
43f66a6c 6291
afbf30a2
JK		 6292 if (!(priv->status & STATUS_SCAN_FORCED) &&
6293 priv->status & STATUS_SCAN_ABORTING) {
ea2b26e0 6294 IPW_DEBUG_HC("Scan request while abort pending. Queuing.\n");
ea177305
DW		 6295 priv->status |= direct ? STATUS_DIRECT_SCAN_PENDING :
6296 STATUS_SCAN_PENDING;
b095c381 6297 goto done;
43f66a6c
JK		 6298 }
6299
ea2b26e0 6300 if (priv->status & STATUS_RF_KILL_MASK) {
ea177305
DW		 6301 IPW_DEBUG_HC("Queuing scan due to RF Kill activation\n");
6302 priv->status |= direct ? STATUS_DIRECT_SCAN_PENDING :
6303 STATUS_SCAN_PENDING;
b095c381 6304 goto done;
ea2b26e0 6305 }
43f66a6c 6306
ea2b26e0 6307 memset(&scan, 0, sizeof(scan));
094c4d2d 6308 scan.full_scan_index = cpu_to_le32(ieee80211_get_scans(priv->ieee));
43f66a6c 6309
094c4d2d
ZY		 6310 if (type == IW_SCAN_TYPE_PASSIVE) {
6311 IPW_DEBUG_WX("use passive scanning\n");
6312 scan_type = IPW_SCAN_PASSIVE_FULL_DWELL_SCAN;
6313 scan.dwell_time[IPW_SCAN_PASSIVE_FULL_DWELL_SCAN] =
6314 cpu_to_le16(120);
6315 ipw_add_scan_channels(priv, &scan, scan_type);
6316 goto send_request;
6317 }
6318
6319 /* Use active scan by default. */
6320 if (priv->config & CFG_SPEED_SCAN)
b095c381 6321 scan.dwell_time[IPW_SCAN_ACTIVE_BROADCAST_SCAN] =
094c4d2d 6322 cpu_to_le16(30);
b095c381
JK		 6323 else
6324 scan.dwell_time[IPW_SCAN_ACTIVE_BROADCAST_SCAN] =
094c4d2d 6325 cpu_to_le16(20);
b095c381 6326
a613bffd 6327 scan.dwell_time[IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN] =
094c4d2d 6328 cpu_to_le16(20);
43f66a6c 6329
094c4d2d 6330 scan.dwell_time[IPW_SCAN_PASSIVE_FULL_DWELL_SCAN] = cpu_to_le16(120);
ea177305 6331 scan.dwell_time[IPW_SCAN_ACTIVE_DIRECT_SCAN] = cpu_to_le16(20);
43f66a6c 6332
b095c381 6333#ifdef CONFIG_IPW2200_MONITOR
ea2b26e0 6334 if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
afbf30a2 6335 u8 channel;
b095c381 6336 u8 band = 0;
43f66a6c 6337
1867b117 6338 switch (ieee80211_is_valid_channel(priv->ieee, priv->channel)) {
b095c381 6339 case IEEE80211_52GHZ_BAND:
ea2b26e0 6340 band = (u8) (IPW_A_MODE << 6) | 1;
b095c381
JK		 6341 channel = priv->channel;
6342 break;
ea2b26e0 6343
b095c381 6344 case IEEE80211_24GHZ_BAND:
ea2b26e0 6345 band = (u8) (IPW_B_MODE << 6) | 1;
b095c381
JK		 6346 channel = priv->channel;
6347 break;
ea2b26e0 6348
b095c381 6349 default:
ea2b26e0
JK		 6350 band = (u8) (IPW_B_MODE << 6) | 1;
6351 channel = 9;
b095c381 6352 break;
ea2b26e0
JK		 6353 }
6354
b095c381
JK		 6355 scan.channels_list[0] = band;
6356 scan.channels_list[1] = channel;
6357 ipw_set_scan_type(&scan, 1, IPW_SCAN_PASSIVE_FULL_DWELL_SCAN);
ea2b26e0 6358
b095c381
JK		 6359 /* NOTE: The card will sit on this channel for this time
6360 * period. Scan aborts are timing sensitive and frequently
6361 * result in firmware restarts. As such, it is best to
6362 * set a small dwell_time here and just keep re-issuing
6363 * scans. Otherwise fast channel hopping will not actually
6364 * hop channels.
6365 *
6366 * TODO: Move SPEED SCAN support to all modes and bands */
a613bffd 6367 scan.dwell_time[IPW_SCAN_PASSIVE_FULL_DWELL_SCAN] =
094c4d2d 6368 cpu_to_le16(2000);
43f66a6c 6369 } else {
b095c381 6370#endif /* CONFIG_IPW2200_MONITOR */
ea177305
DW		 6371 /* Honor direct scans first, otherwise if we are roaming make
6372 * this a direct scan for the current network. Finally,
6373 * ensure that every other scan is a fast channel hop scan */
6374 if (direct) {
6375 err = ipw_send_ssid(priv, priv->direct_scan_ssid,
6376 priv->direct_scan_ssid_len);
6377 if (err) {
6378 IPW_DEBUG_HC("Attempt to send SSID command "
6379 "failed\n");
6380 goto done;
6381 }
6382
6383 scan_type = IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN;
6384 } else if ((priv->status & STATUS_ROAMING)
6385 || (!(priv->status & STATUS_ASSOCIATED)
6386 && (priv->config & CFG_STATIC_ESSID)
6387 && (le32_to_cpu(scan.full_scan_index) % 2))) {
ea2b26e0
JK		 6388 err = ipw_send_ssid(priv, priv->essid, priv->essid_len);
6389 if (err) {
b095c381
JK		 6390 IPW_DEBUG_HC("Attempt to send SSID command "
6391 "failed.\n");
6392 goto done;
ea2b26e0 6393 }
43f66a6c 6394
ea2b26e0 6395 scan_type = IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN;
afbf30a2 6396 } else
ea2b26e0 6397 scan_type = IPW_SCAN_ACTIVE_BROADCAST_SCAN;
ea2b26e0 6398
afbf30a2 6399 ipw_add_scan_channels(priv, &scan, scan_type);
b095c381 6400#ifdef CONFIG_IPW2200_MONITOR
43f66a6c 6401 }
ea2b26e0 6402#endif
bf79451e 6403
094c4d2d 6404send_request:
ea2b26e0 6405 err = ipw_send_scan_request_ext(priv, &scan);
43f66a6c 6406 if (err) {
ea2b26e0 6407 IPW_DEBUG_HC("Sending scan command failed: %08X\n", err);
b095c381 6408 goto done;
43f66a6c
JK		 6409 }
6410
ea2b26e0 6411 priv->status |= STATUS_SCANNING;
ea177305
DW		 6412 if (direct) {
6413 priv->status &= ~STATUS_DIRECT_SCAN_PENDING;
6414 priv->direct_scan_ssid_len = 0;
6415 } else
6416 priv->status &= ~STATUS_SCAN_PENDING;
6417
afbf30a2
JK		 6418 queue_delayed_work(priv->workqueue, &priv->scan_check,
6419 IPW_SCAN_CHECK_WATCHDOG);
094c4d2d 6420done:
4644151b 6421 mutex_unlock(&priv->mutex);
b095c381 6422 return err;
c848d0af
JK		 6423}
6424
c4028958
DH		 6425static void ipw_request_passive_scan(struct work_struct *work)
6426{
6427 struct ipw_priv *priv =
ea177305
DW		 6428 container_of(work, struct ipw_priv, request_passive_scan.work);
6429 ipw_request_scan_helper(priv, IW_SCAN_TYPE_PASSIVE, 0);
094c4d2d
ZY		 6430}
6431
c4028958
DH		 6432static void ipw_request_scan(struct work_struct *work)
6433{
6434 struct ipw_priv *priv =
6435 container_of(work, struct ipw_priv, request_scan.work);
ea177305
DW		 6436 ipw_request_scan_helper(priv, IW_SCAN_TYPE_ACTIVE, 0);
6437}
6438
6439static void ipw_request_direct_scan(struct work_struct *work)
6440{
6441 struct ipw_priv *priv =
6442 container_of(work, struct ipw_priv, request_direct_scan.work);
6443 ipw_request_scan_helper(priv, IW_SCAN_TYPE_ACTIVE, 1);
094c4d2d
ZY		 6444}
6445
c4028958 6446static void ipw_bg_abort_scan(struct work_struct *work)
c848d0af 6447{
c4028958
DH		 6448 struct ipw_priv *priv =
6449 container_of(work, struct ipw_priv, abort_scan);
4644151b 6450 mutex_lock(&priv->mutex);
c4028958 6451 ipw_abort_scan(priv);
4644151b 6452 mutex_unlock(&priv->mutex);
c848d0af
JK		 6453}
6454
ea2b26e0
JK		 6455static int ipw_wpa_enable(struct ipw_priv *priv, int value)
6456{
b095c381
JK		 6457 /* This is called when wpa_supplicant loads and closes the driver
6458 * interface. */
cdd1fa1e 6459 priv->ieee->wpa_enabled = value;
b095c381 6460 return 0;
ea2b26e0
JK		 6461}
6462
ea2b26e0
JK		 6463static int ipw_wpa_set_auth_algs(struct ipw_priv *priv, int value)
6464{
6465 struct ieee80211_device *ieee = priv->ieee;
6466 struct ieee80211_security sec = {
6467 .flags = SEC_AUTH_MODE,
6468 };
6469 int ret = 0;
6470
afbf30a2 6471 if (value & IW_AUTH_ALG_SHARED_KEY) {
ea2b26e0
JK		 6472 sec.auth_mode = WLAN_AUTH_SHARED_KEY;
6473 ieee->open_wep = 0;
afbf30a2 6474 } else if (value & IW_AUTH_ALG_OPEN_SYSTEM) {
ea2b26e0
JK		 6475 sec.auth_mode = WLAN_AUTH_OPEN;
6476 ieee->open_wep = 1;
3e234b4e
ZY		 6477 } else if (value & IW_AUTH_ALG_LEAP) {
6478 sec.auth_mode = WLAN_AUTH_LEAP;
6479 ieee->open_wep = 1;
afbf30a2
JK		 6480 } else
6481 return -EINVAL;
ea2b26e0
JK		 6482
6483 if (ieee->set_security)
6484 ieee->set_security(ieee->dev, &sec);
6485 else
6486 ret = -EOPNOTSUPP;
6487
6488 return ret;
6489}
6490
a73e22b2
AB		 6491static void ipw_wpa_assoc_frame(struct ipw_priv *priv, char *wpa_ie,
6492 int wpa_ie_len)
afbf30a2
JK		 6493{
6494 /* make sure WPA is enabled */
6495 ipw_wpa_enable(priv, 1);
afbf30a2
JK		 6496}
6497
6498static int ipw_set_rsn_capa(struct ipw_priv *priv,
6499 char *capabilities, int length)
6500{
afbf30a2
JK		 6501 IPW_DEBUG_HC("HOST_CMD_RSN_CAPABILITIES\n");
6502
0a7bcf26 6503 return ipw_send_cmd_pdu(priv, IPW_CMD_RSN_CAPABILITIES, length,
2638bc39 6504 capabilities);
afbf30a2
JK		 6505}
6506
b095c381 6507/*
afbf30a2
JK		 6508 * WE-18 support
6509 */
6510
6511/* SIOCSIWGENIE */
6512static int ipw_wx_set_genie(struct net_device *dev,
6513 struct iw_request_info *info,
6514 union iwreq_data *wrqu, char *extra)
ea2b26e0 6515{
afbf30a2
JK		 6516 struct ipw_priv *priv = ieee80211_priv(dev);
6517 struct ieee80211_device *ieee = priv->ieee;
6518 u8 *buf;
6519 int err = 0;
ea2b26e0 6520
afbf30a2
JK		 6521 if (wrqu->data.length > MAX_WPA_IE_LEN ||
6522 (wrqu->data.length && extra == NULL))
6523 return -EINVAL;
ea2b26e0 6524
afbf30a2
JK		 6525 if (wrqu->data.length) {
6526 buf = kmalloc(wrqu->data.length, GFP_KERNEL);
6527 if (buf == NULL) {
6528 err = -ENOMEM;
6529 goto out;
6530 }
6531
6532 memcpy(buf, extra, wrqu->data.length);
6533 kfree(ieee->wpa_ie);
6534 ieee->wpa_ie = buf;
6535 ieee->wpa_ie_len = wrqu->data.length;
b095c381 6536 } else {
afbf30a2
JK		 6537 kfree(ieee->wpa_ie);
6538 ieee->wpa_ie = NULL;
6539 ieee->wpa_ie_len = 0;
ea2b26e0 6540 }
afbf30a2
JK		 6541
6542 ipw_wpa_assoc_frame(priv, ieee->wpa_ie, ieee->wpa_ie_len);
6543 out:
afbf30a2
JK		 6544 return err;
6545}
6546
6547/* SIOCGIWGENIE */
6548static int ipw_wx_get_genie(struct net_device *dev,
6549 struct iw_request_info *info,
6550 union iwreq_data *wrqu, char *extra)
6551{
6552 struct ipw_priv *priv = ieee80211_priv(dev);
6553 struct ieee80211_device *ieee = priv->ieee;
6554 int err = 0;
6555
afbf30a2
JK		 6556 if (ieee->wpa_ie_len == 0 || ieee->wpa_ie == NULL) {
6557 wrqu->data.length = 0;
6558 goto out;
6559 }
6560
6561 if (wrqu->data.length < ieee->wpa_ie_len) {
6562 err = -E2BIG;
6563 goto out;
6564 }
6565
6566 wrqu->data.length = ieee->wpa_ie_len;
6567 memcpy(extra, ieee->wpa_ie, ieee->wpa_ie_len);
6568
6569 out:
afbf30a2
JK		 6570 return err;
6571}
6572
1fbfea54
ZY		 6573static int wext_cipher2level(int cipher)
6574{
6575 switch (cipher) {
6576 case IW_AUTH_CIPHER_NONE:
6577 return SEC_LEVEL_0;
6578 case IW_AUTH_CIPHER_WEP40:
6579 case IW_AUTH_CIPHER_WEP104:
6580 return SEC_LEVEL_1;
6581 case IW_AUTH_CIPHER_TKIP:
6582 return SEC_LEVEL_2;
6583 case IW_AUTH_CIPHER_CCMP:
6584 return SEC_LEVEL_3;
6585 default:
6586 return -1;
6587 }
6588}
6589
afbf30a2
JK		 6590/* SIOCSIWAUTH */
6591static int ipw_wx_set_auth(struct net_device *dev,
6592 struct iw_request_info *info,
6593 union iwreq_data *wrqu, char *extra)
6594{
6595 struct ipw_priv *priv = ieee80211_priv(dev);
6596 struct ieee80211_device *ieee = priv->ieee;
6597 struct iw_param *param = &wrqu->param;
6598 struct ieee80211_crypt_data *crypt;
6599 unsigned long flags;
6600 int ret = 0;
6601
6602 switch (param->flags & IW_AUTH_INDEX) {
6603 case IW_AUTH_WPA_VERSION:
1fbfea54 6604 break;
afbf30a2 6605 case IW_AUTH_CIPHER_PAIRWISE:
1fbfea54
ZY		 6606 ipw_set_hw_decrypt_unicast(priv,
6607 wext_cipher2level(param->value));
6608 break;
afbf30a2 6609 case IW_AUTH_CIPHER_GROUP:
1fbfea54
ZY		 6610 ipw_set_hw_decrypt_multicast(priv,
6611 wext_cipher2level(param->value));
6612 break;
afbf30a2
JK		 6613 case IW_AUTH_KEY_MGMT:
6614 /*
6615 * ipw2200 does not use these parameters
6616 */
6617 break;
6618
6619 case IW_AUTH_TKIP_COUNTERMEASURES:
6620 crypt = priv->ieee->crypt[priv->ieee->tx_keyidx];
991d1cc5 6621 if (!crypt || !crypt->ops->set_flags || !crypt->ops->get_flags)
afbf30a2 6622 break;
afbf30a2
JK		 6623
6624 flags = crypt->ops->get_flags(crypt->priv);
6625
6626 if (param->value)
6627 flags |= IEEE80211_CRYPTO_TKIP_COUNTERMEASURES;
6628 else
6629 flags &= ~IEEE80211_CRYPTO_TKIP_COUNTERMEASURES;
6630
6631 crypt->ops->set_flags(flags, crypt->priv);
6632
6633 break;
6634
6635 case IW_AUTH_DROP_UNENCRYPTED:{
6636 /* HACK:
6637 *
6638 * wpa_supplicant calls set_wpa_enabled when the driver
6639 * is loaded and unloaded, regardless of if WPA is being
6640 * used. No other calls are made which can be used to
6641 * determine if encryption will be used or not prior to
6642 * association being expected. If encryption is not being
6643 * used, drop_unencrypted is set to false, else true -- we
6644 * can use this to determine if the CAP_PRIVACY_ON bit should
6645 * be set.
6646 */
6647 struct ieee80211_security sec = {
6648 .flags = SEC_ENABLED,
6649 .enabled = param->value,
6650 };
6651 priv->ieee->drop_unencrypted = param->value;
6652 /* We only change SEC_LEVEL for open mode. Others
6653 * are set by ipw_wpa_set_encryption.
6654 */
6655 if (!param->value) {
6656 sec.flags |= SEC_LEVEL;
6657 sec.level = SEC_LEVEL_0;
6658 } else {
6659 sec.flags |= SEC_LEVEL;
6660 sec.level = SEC_LEVEL_1;
6661 }
6662 if (priv->ieee->set_security)
6663 priv->ieee->set_security(priv->ieee->dev, &sec);
6664 break;
6665 }
6666
6667 case IW_AUTH_80211_AUTH_ALG:
6668 ret = ipw_wpa_set_auth_algs(priv, param->value);
6669 break;
6670
6671 case IW_AUTH_WPA_ENABLED:
6672 ret = ipw_wpa_enable(priv, param->value);
e3c5a64e 6673 ipw_disassociate(priv);
afbf30a2
JK		 6674 break;
6675
6676 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6677 ieee->ieee802_1x = param->value;
6678 break;
6679
afbf30a2
JK		 6680 case IW_AUTH_PRIVACY_INVOKED:
6681 ieee->privacy_invoked = param->value;
6682 break;
6683
6684 default:
6685 return -EOPNOTSUPP;
6686 }
6687 return ret;
6688}
6689
6690/* SIOCGIWAUTH */
6691static int ipw_wx_get_auth(struct net_device *dev,
6692 struct iw_request_info *info,
6693 union iwreq_data *wrqu, char *extra)
6694{
6695 struct ipw_priv *priv = ieee80211_priv(dev);
6696 struct ieee80211_device *ieee = priv->ieee;
6697 struct ieee80211_crypt_data *crypt;
6698 struct iw_param *param = &wrqu->param;
6699 int ret = 0;
6700
6701 switch (param->flags & IW_AUTH_INDEX) {
6702 case IW_AUTH_WPA_VERSION:
6703 case IW_AUTH_CIPHER_PAIRWISE:
6704 case IW_AUTH_CIPHER_GROUP:
6705 case IW_AUTH_KEY_MGMT:
6706 /*
6707 * wpa_supplicant will control these internally
6708 */
6709 ret = -EOPNOTSUPP;
6710 break;
6711
6712 case IW_AUTH_TKIP_COUNTERMEASURES:
6713 crypt = priv->ieee->crypt[priv->ieee->tx_keyidx];
991d1cc5 6714 if (!crypt || !crypt->ops->get_flags)
afbf30a2 6715 break;
afbf30a2
JK		 6716
6717 param->value = (crypt->ops->get_flags(crypt->priv) &
6718 IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) ? 1 : 0;
6719
6720 break;
6721
6722 case IW_AUTH_DROP_UNENCRYPTED:
6723 param->value = ieee->drop_unencrypted;
6724 break;
6725
6726 case IW_AUTH_80211_AUTH_ALG:
6727 param->value = ieee->sec.auth_mode;
6728 break;
6729
6730 case IW_AUTH_WPA_ENABLED:
6731 param->value = ieee->wpa_enabled;
6732 break;
6733
6734 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
6735 param->value = ieee->ieee802_1x;
6736 break;
6737
6738 case IW_AUTH_ROAMING_CONTROL:
6739 case IW_AUTH_PRIVACY_INVOKED:
6740 param->value = ieee->privacy_invoked;
6741 break;
6742
6743 default:
6744 return -EOPNOTSUPP;
6745 }
6746 return 0;
6747}
6748
6749/* SIOCSIWENCODEEXT */
6750static int ipw_wx_set_encodeext(struct net_device *dev,
6751 struct iw_request_info *info,
6752 union iwreq_data *wrqu, char *extra)
6753{
6754 struct ipw_priv *priv = ieee80211_priv(dev);
6755 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
6756
6757 if (hwcrypto) {
afbf30a2 6758 if (ext->alg == IW_ENCODE_ALG_TKIP) {
567deaf6
HL		 6759 /* IPW HW can't build TKIP MIC,
6760 host decryption still needed */
6761 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY)
6762 priv->ieee->host_mc_decrypt = 1;
6763 else {
6764 priv->ieee->host_encrypt = 0;
6765 priv->ieee->host_encrypt_msdu = 1;
6766 priv->ieee->host_decrypt = 1;
6767 }
afbf30a2
JK		 6768 } else {
6769 priv->ieee->host_encrypt = 0;
6770 priv->ieee->host_encrypt_msdu = 0;
6771 priv->ieee->host_decrypt = 0;
567deaf6 6772 priv->ieee->host_mc_decrypt = 0;
afbf30a2
JK		 6773 }
6774 }
6775
6776 return ieee80211_wx_set_encodeext(priv->ieee, info, wrqu, extra);
6777}
6778
6779/* SIOCGIWENCODEEXT */
6780static int ipw_wx_get_encodeext(struct net_device *dev,
6781 struct iw_request_info *info,
6782 union iwreq_data *wrqu, char *extra)
6783{
6784 struct ipw_priv *priv = ieee80211_priv(dev);
6785 return ieee80211_wx_get_encodeext(priv->ieee, info, wrqu, extra);
6786}
6787
6788/* SIOCSIWMLME */
6789static int ipw_wx_set_mlme(struct net_device *dev,
6790 struct iw_request_info *info,
6791 union iwreq_data *wrqu, char *extra)
6792{
6793 struct ipw_priv *priv = ieee80211_priv(dev);
6794 struct iw_mlme *mlme = (struct iw_mlme *)extra;
e62e1ee0 6795 __le16 reason;
afbf30a2
JK		 6796
6797 reason = cpu_to_le16(mlme->reason_code);
6798
6799 switch (mlme->cmd) {
6800 case IW_MLME_DEAUTH:
67fd6b45 6801 /* silently ignore */
afbf30a2
JK		 6802 break;
6803
6804 case IW_MLME_DISASSOC:
6805 ipw_disassociate(priv);
6806 break;
6807
6808 default:
6809 return -EOPNOTSUPP;
6810 }
6811 return 0;
6812}
afbf30a2 6813
e43e3c1e 6814#ifdef CONFIG_IPW2200_QOS
afbf30a2
JK		 6815
6816/* QoS */
6817/*
6818* get the modulation type of the current network or
6819* the card current mode
6820*/
53d0bcf8 6821static u8 ipw_qos_current_mode(struct ipw_priv * priv)
afbf30a2
JK		 6822{
6823 u8 mode = 0;
6824
6825 if (priv->status & STATUS_ASSOCIATED) {
6826 unsigned long flags;
6827
6828 spin_lock_irqsave(&priv->ieee->lock, flags);
6829 mode = priv->assoc_network->mode;
6830 spin_unlock_irqrestore(&priv->ieee->lock, flags);
6831 } else {
6832 mode = priv->ieee->mode;
6833 }
6834 IPW_DEBUG_QOS("QoS network/card mode %d \n", mode);
6835 return mode;
b095c381 6836}
ea2b26e0 6837
b095c381
JK		 6838/*
6839* Handle management frame beacon and probe response
6840*/
3b9990cb
JK		 6841static int ipw_qos_handle_probe_response(struct ipw_priv *priv,
6842 int active_network,
6843 struct ieee80211_network *network)
b095c381
JK		 6844{
6845 u32 size = sizeof(struct ieee80211_qos_parameters);
6846
afbf30a2 6847 if (network->capability & WLAN_CAPABILITY_IBSS)
b095c381
JK		 6848 network->qos_data.active = network->qos_data.supported;
6849
6850 if (network->flags & NETWORK_HAS_QOS_MASK) {
afbf30a2
JK		 6851 if (active_network &&
6852 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
b095c381
JK		 6853 network->qos_data.active = network->qos_data.supported;
6854
6855 if ((network->qos_data.active == 1) && (active_network == 1) &&
6856 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
6857 (network->qos_data.old_param_count !=
6858 network->qos_data.param_count)) {
6859 network->qos_data.old_param_count =
6860 network->qos_data.param_count;
6861 schedule_work(&priv->qos_activate);
afbf30a2
JK		 6862 IPW_DEBUG_QOS("QoS parameters change call "
6863 "qos_activate\n");
b095c381 6864 }
ea2b26e0 6865 } else {
afbf30a2
JK		 6866 if ((priv->ieee->mode == IEEE_B) || (network->mode == IEEE_B))
6867 memcpy(&network->qos_data.parameters,
b095c381 6868 &def_parameters_CCK, size);
afbf30a2
JK		 6869 else
6870 memcpy(&network->qos_data.parameters,
b095c381 6871 &def_parameters_OFDM, size);
afbf30a2 6872
b095c381
JK		 6873 if ((network->qos_data.active == 1) && (active_network == 1)) {
6874 IPW_DEBUG_QOS("QoS was disabled call qos_activate \n");
6875 schedule_work(&priv->qos_activate);
6876 }
6877
6878 network->qos_data.active = 0;
6879 network->qos_data.supported = 0;
ea2b26e0 6880 }
afbf30a2
JK		 6881 if ((priv->status & STATUS_ASSOCIATED) &&
6882 (priv->ieee->iw_mode == IW_MODE_ADHOC) && (active_network == 0)) {
6883 if (memcmp(network->bssid, priv->bssid, ETH_ALEN))
6884 if ((network->capability & WLAN_CAPABILITY_IBSS) &&
6885 !(network->flags & NETWORK_EMPTY_ESSID))
b095c381 6886 if ((network->ssid_len ==
afbf30a2
JK		 6887 priv->assoc_network->ssid_len) &&
6888 !memcmp(network->ssid,
6889 priv->assoc_network->ssid,
6890 network->ssid_len)) {
b095c381
JK		 6891 queue_work(priv->workqueue,
6892 &priv->merge_networks);
6893 }
b095c381 6894 }
ea2b26e0 6895
b095c381
JK		 6896 return 0;
6897}
6898
6899/*
6900* This function set up the firmware to support QoS. It sends
6901* IPW_CMD_QOS_PARAMETERS and IPW_CMD_WME_INFO
6902*/
6903static int ipw_qos_activate(struct ipw_priv *priv,
6904 struct ieee80211_qos_data *qos_network_data)
6905{
6906 int err;
6907 struct ieee80211_qos_parameters qos_parameters[QOS_QOS_SETS];
6908 struct ieee80211_qos_parameters *active_one = NULL;
6909 u32 size = sizeof(struct ieee80211_qos_parameters);
6910 u32 burst_duration;
6911 int i;
6912 u8 type;
6913
6914 type = ipw_qos_current_mode(priv);
6915
6916 active_one = &(qos_parameters[QOS_PARAM_SET_DEF_CCK]);
6917 memcpy(active_one, priv->qos_data.def_qos_parm_CCK, size);
6918 active_one = &(qos_parameters[QOS_PARAM_SET_DEF_OFDM]);
6919 memcpy(active_one, priv->qos_data.def_qos_parm_OFDM, size);
6920
6921 if (qos_network_data == NULL) {
6922 if (type == IEEE_B) {
6923 IPW_DEBUG_QOS("QoS activate network mode %d\n", type);
6924 active_one = &def_parameters_CCK;
6925 } else
6926 active_one = &def_parameters_OFDM;
6927
afbf30a2 6928 memcpy(&qos_parameters[QOS_PARAM_SET_ACTIVE], active_one, size);
b095c381
JK		 6929 burst_duration = ipw_qos_get_burst_duration(priv);
6930 for (i = 0; i < QOS_QUEUE_NUM; i++)
afbf30a2 6931 qos_parameters[QOS_PARAM_SET_ACTIVE].tx_op_limit[i] =
8fffc15d 6932 cpu_to_le16(burst_duration);
afbf30a2 6933 } else if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
b095c381
JK		 6934 if (type == IEEE_B) {
6935 IPW_DEBUG_QOS("QoS activate IBSS nework mode %d\n",
6936 type);
6937 if (priv->qos_data.qos_enable == 0)
6938 active_one = &def_parameters_CCK;
6939 else
6940 active_one = priv->qos_data.def_qos_parm_CCK;
6941 } else {
6942 if (priv->qos_data.qos_enable == 0)
6943 active_one = &def_parameters_OFDM;
6944 else
6945 active_one = priv->qos_data.def_qos_parm_OFDM;
6946 }
afbf30a2 6947 memcpy(&qos_parameters[QOS_PARAM_SET_ACTIVE], active_one, size);
b095c381
JK		 6948 } else {
6949 unsigned long flags;
6950 int active;
6951
6952 spin_lock_irqsave(&priv->ieee->lock, flags);
6953 active_one = &(qos_network_data->parameters);
6954 qos_network_data->old_param_count =
6955 qos_network_data->param_count;
afbf30a2 6956 memcpy(&qos_parameters[QOS_PARAM_SET_ACTIVE], active_one, size);
b095c381
JK		 6957 active = qos_network_data->supported;
6958 spin_unlock_irqrestore(&priv->ieee->lock, flags);
6959
6960 if (active == 0) {
6961 burst_duration = ipw_qos_get_burst_duration(priv);
6962 for (i = 0; i < QOS_QUEUE_NUM; i++)
6963 qos_parameters[QOS_PARAM_SET_ACTIVE].
8fffc15d 6964 tx_op_limit[i] = cpu_to_le16(burst_duration);
b095c381
JK		 6965 }
6966 }
6967
6968 IPW_DEBUG_QOS("QoS sending IPW_CMD_QOS_PARAMETERS\n");
afbf30a2
JK		 6969 err = ipw_send_qos_params_command(priv,
6970 (struct ieee80211_qos_parameters *)
6971 &(qos_parameters[0]));
b095c381
JK		 6972 if (err)
6973 IPW_DEBUG_QOS("QoS IPW_CMD_QOS_PARAMETERS failed\n");
6974
6975 return err;
6976}
6977
6978/*
6979* send IPW_CMD_WME_INFO to the firmware
6980*/
6981static int ipw_qos_set_info_element(struct ipw_priv *priv)
6982{
6983 int ret = 0;
6984 struct ieee80211_qos_information_element qos_info;
6985
6986 if (priv == NULL)
6987 return -1;
6988
6989 qos_info.elementID = QOS_ELEMENT_ID;
6990 qos_info.length = sizeof(struct ieee80211_qos_information_element) - 2;
6991
6992 qos_info.version = QOS_VERSION_1;
6993 qos_info.ac_info = 0;
6994
6995 memcpy(qos_info.qui, qos_oui, QOS_OUI_LEN);
6996 qos_info.qui_type = QOS_OUI_TYPE;
6997 qos_info.qui_subtype = QOS_OUI_INFO_SUB_TYPE;
6998
6999 ret = ipw_send_qos_info_command(priv, &qos_info);
7000 if (ret != 0) {
7001 IPW_DEBUG_QOS("QoS error calling ipw_send_qos_info_command\n");
7002 }
7003 return ret;
7004}
7005
7006/*
7007* Set the QoS parameter with the association request structure
7008*/
7009static int ipw_qos_association(struct ipw_priv *priv,
7010 struct ieee80211_network *network)
7011{
7012 int err = 0;
7013 struct ieee80211_qos_data *qos_data = NULL;
7014 struct ieee80211_qos_data ibss_data = {
7015 .supported = 1,
7016 .active = 1,
7017 };
7018
7019 switch (priv->ieee->iw_mode) {
7020 case IW_MODE_ADHOC:
5d9428de 7021 BUG_ON(!(network->capability & WLAN_CAPABILITY_IBSS));
b095c381
JK		 7022
7023 qos_data = &ibss_data;
7024 break;
7025
7026 case IW_MODE_INFRA:
7027 qos_data = &network->qos_data;
7028 break;
7029
7030 default:
7031 BUG();
7032 break;
7033 }
7034
7035 err = ipw_qos_activate(priv, qos_data);
7036 if (err) {
7037 priv->assoc_request.policy_support &= ~HC_QOS_SUPPORT_ASSOC;
7038 return err;
7039 }
7040
7041 if (priv->qos_data.qos_enable && qos_data->supported) {
7042 IPW_DEBUG_QOS("QoS will be enabled for this association\n");
7043 priv->assoc_request.policy_support |= HC_QOS_SUPPORT_ASSOC;
7044 return ipw_qos_set_info_element(priv);
7045 }
7046
7047 return 0;
7048}
7049
7050/*
0779bf2d
ML		 7051* handling the beaconing responses. if we get different QoS setting
7052* off the network from the associated setting, adjust the QoS
b095c381
JK		 7053* setting
7054*/
7055static int ipw_qos_association_resp(struct ipw_priv *priv,
7056 struct ieee80211_network *network)
7057{
7058 int ret = 0;
7059 unsigned long flags;
7060 u32 size = sizeof(struct ieee80211_qos_parameters);
7061 int set_qos_param = 0;
7062
afbf30a2
JK		 7063 if ((priv == NULL) || (network == NULL) ||
7064 (priv->assoc_network == NULL))
b095c381
JK		 7065 return ret;
7066
7067 if (!(priv->status & STATUS_ASSOCIATED))
7068 return ret;
7069
afbf30a2 7070 if ((priv->ieee->iw_mode != IW_MODE_INFRA))
b095c381 7071 return ret;
b095c381
JK		 7072
7073 spin_lock_irqsave(&priv->ieee->lock, flags);
7074 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
afbf30a2 7075 memcpy(&priv->assoc_network->qos_data, &network->qos_data,
b095c381
JK		 7076 sizeof(struct ieee80211_qos_data));
7077 priv->assoc_network->qos_data.active = 1;
7078 if ((network->qos_data.old_param_count !=
7079 network->qos_data.param_count)) {
7080 set_qos_param = 1;
7081 network->qos_data.old_param_count =
7082 network->qos_data.param_count;
7083 }
7084
7085 } else {
afbf30a2
JK		 7086 if ((network->mode == IEEE_B) || (priv->ieee->mode == IEEE_B))
7087 memcpy(&priv->assoc_network->qos_data.parameters,
b095c381 7088 &def_parameters_CCK, size);
afbf30a2
JK		 7089 else
7090 memcpy(&priv->assoc_network->qos_data.parameters,
b095c381 7091 &def_parameters_OFDM, size);
b095c381
JK		 7092 priv->assoc_network->qos_data.active = 0;
7093 priv->assoc_network->qos_data.supported = 0;
7094 set_qos_param = 1;
7095 }
7096
7097 spin_unlock_irqrestore(&priv->ieee->lock, flags);
7098
7099 if (set_qos_param == 1)
7100 schedule_work(&priv->qos_activate);
7101
7102 return ret;
7103}
7104
7105static u32 ipw_qos_get_burst_duration(struct ipw_priv *priv)
7106{
7107 u32 ret = 0;
7108
7109 if ((priv == NULL))
7110 return 0;
7111
afbf30a2 7112 if (!(priv->ieee->modulation & IEEE80211_OFDM_MODULATION))
b095c381 7113 ret = priv->qos_data.burst_duration_CCK;
afbf30a2 7114 else
b095c381 7115 ret = priv->qos_data.burst_duration_OFDM;
afbf30a2 7116
b095c381
JK		 7117 return ret;
7118}
7119
7120/*
7121* Initialize the setting of QoS global
7122*/
7123static void ipw_qos_init(struct ipw_priv *priv, int enable,
7124 int burst_enable, u32 burst_duration_CCK,
7125 u32 burst_duration_OFDM)
7126{
7127 priv->qos_data.qos_enable = enable;
7128
7129 if (priv->qos_data.qos_enable) {
7130 priv->qos_data.def_qos_parm_CCK = &def_qos_parameters_CCK;
7131 priv->qos_data.def_qos_parm_OFDM = &def_qos_parameters_OFDM;
7132 IPW_DEBUG_QOS("QoS is enabled\n");
7133 } else {
7134 priv->qos_data.def_qos_parm_CCK = &def_parameters_CCK;
7135 priv->qos_data.def_qos_parm_OFDM = &def_parameters_OFDM;
7136 IPW_DEBUG_QOS("QoS is not enabled\n");
7137 }
7138
7139 priv->qos_data.burst_enable = burst_enable;
7140
7141 if (burst_enable) {
7142 priv->qos_data.burst_duration_CCK = burst_duration_CCK;
7143 priv->qos_data.burst_duration_OFDM = burst_duration_OFDM;
7144 } else {
7145 priv->qos_data.burst_duration_CCK = 0;
7146 priv->qos_data.burst_duration_OFDM = 0;
7147 }
7148}
7149
7150/*
7151* map the packet priority to the right TX Queue
7152*/
7153static int ipw_get_tx_queue_number(struct ipw_priv *priv, u16 priority)
7154{
7155 if (priority > 7 || !priv->qos_data.qos_enable)
7156 priority = 0;
7157
7158 return from_priority_to_tx_queue[priority] - 1;
7159}
7160
a5cf4fe6
ZY		 7161static int ipw_is_qos_active(struct net_device *dev,
7162 struct sk_buff *skb)
b095c381 7163{
a5cf4fe6 7164 struct ipw_priv *priv = ieee80211_priv(dev);
b095c381
JK		 7165 struct ieee80211_qos_data *qos_data = NULL;
7166 int active, supported;
a5cf4fe6
ZY		 7167 u8 *daddr = skb->data + ETH_ALEN;
7168 int unicast = !is_multicast_ether_addr(daddr);
b095c381
JK		 7169
7170 if (!(priv->status & STATUS_ASSOCIATED))
7171 return 0;
7172
7173 qos_data = &priv->assoc_network->qos_data;
7174
b095c381
JK		 7175 if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
7176 if (unicast == 0)
7177 qos_data->active = 0;
7178 else
7179 qos_data->active = qos_data->supported;
7180 }
b095c381
JK		 7181 active = qos_data->active;
7182 supported = qos_data->supported;
afbf30a2
JK		 7183 IPW_DEBUG_QOS("QoS %d network is QoS active %d supported %d "
7184 "unicast %d\n",
7185 priv->qos_data.qos_enable, active, supported, unicast);
a5cf4fe6
ZY		 7186 if (active && priv->qos_data.qos_enable)
7187 return 1;
b095c381 7188
a5cf4fe6
ZY		 7189 return 0;
7190
7191}
7192/*
7193* add QoS parameter to the TX command
7194*/
7195static int ipw_qos_set_tx_queue_command(struct ipw_priv *priv,
7196 u16 priority,
7197 struct tfd_data *tfd)
7198{
7199 int tx_queue_id = 0;
7200
7201
7202 tx_queue_id = from_priority_to_tx_queue[priority] - 1;
7203 tfd->tx_flags_ext |= DCT_FLAG_EXT_QOS_ENABLED;
7204
7205 if (priv->qos_data.qos_no_ack_mask & (1UL << tx_queue_id)) {
7206 tfd->tx_flags &= ~DCT_FLAG_ACK_REQD;
851ca268 7207 tfd->tfd.tfd_26.mchdr.qos_ctrl |= cpu_to_le16(CTRL_QOS_NO_ACK);
a5cf4fe6
ZY		 7208 }
7209 return 0;
b095c381
JK		 7210}
7211
7212/*
7213* background support to run QoS activate functionality
7214*/
c4028958 7215static void ipw_bg_qos_activate(struct work_struct *work)
b095c381 7216{
c4028958
DH		 7217 struct ipw_priv *priv =
7218 container_of(work, struct ipw_priv, qos_activate);
b095c381
JK		 7219
7220 if (priv == NULL)
7221 return;
7222
4644151b 7223 mutex_lock(&priv->mutex);
b095c381
JK		 7224
7225 if (priv->status & STATUS_ASSOCIATED)
7226 ipw_qos_activate(priv, &(priv->assoc_network->qos_data));
7227
4644151b 7228 mutex_unlock(&priv->mutex);
b095c381
JK		 7229}
7230
3b9990cb
JK		 7231static int ipw_handle_probe_response(struct net_device *dev,
7232 struct ieee80211_probe_response *resp,
7233 struct ieee80211_network *network)
b095c381
JK		 7234{
7235 struct ipw_priv *priv = ieee80211_priv(dev);
3b9990cb
JK		 7236 int active_network = ((priv->status & STATUS_ASSOCIATED) &&
7237 (network == priv->assoc_network));
43f66a6c 7238
3b9990cb 7239 ipw_qos_handle_probe_response(priv, active_network, network);
43f66a6c 7240
3b9990cb
JK		 7241 return 0;
7242}
43f66a6c 7243
3b9990cb
JK		 7244static int ipw_handle_beacon(struct net_device *dev,
7245 struct ieee80211_beacon *resp,
7246 struct ieee80211_network *network)
7247{
7248 struct ipw_priv *priv = ieee80211_priv(dev);
7249 int active_network = ((priv->status & STATUS_ASSOCIATED) &&
7250 (network == priv->assoc_network));
bf79451e 7251
3b9990cb 7252 ipw_qos_handle_probe_response(priv, active_network, network);
bf79451e 7253
b095c381
JK		 7254 return 0;
7255}
bf79451e 7256
3b9990cb
JK		 7257static int ipw_handle_assoc_response(struct net_device *dev,
7258 struct ieee80211_assoc_response *resp,
7259 struct ieee80211_network *network)
7260{
7261 struct ipw_priv *priv = ieee80211_priv(dev);
7262 ipw_qos_association_resp(priv, network);
7263 return 0;
7264}
43f66a6c 7265
b095c381
JK		 7266static int ipw_send_qos_params_command(struct ipw_priv *priv, struct ieee80211_qos_parameters
7267 *qos_param)
7268{
4e22699f
ZY		 7269 return ipw_send_cmd_pdu(priv, IPW_CMD_QOS_PARAMETERS,
7270 sizeof(*qos_param) * 3, qos_param);
b095c381
JK		 7271}
7272
7273static int ipw_send_qos_info_command(struct ipw_priv *priv, struct ieee80211_qos_information_element
7274 *qos_param)
7275{
4e22699f
ZY		 7276 return ipw_send_cmd_pdu(priv, IPW_CMD_WME_INFO, sizeof(*qos_param),
7277 qos_param);
43f66a6c
JK		 7278}
7279
e43e3c1e 7280#endif /* CONFIG_IPW2200_QOS */
b095c381 7281
43f66a6c
JK		 7282static int ipw_associate_network(struct ipw_priv *priv,
7283 struct ieee80211_network *network,
0edd5b44 7284 struct ipw_supported_rates *rates, int roaming)
43f66a6c
JK		 7285{
7286 int err;
7287
7288 if (priv->config & CFG_FIXED_RATE)
b095c381 7289 ipw_set_fixed_rate(priv, network->mode);
43f66a6c
JK		 7290
7291 if (!(priv->config & CFG_STATIC_ESSID)) {
bf79451e 7292 priv->essid_len = min(network->ssid_len,
0edd5b44 7293 (u8) IW_ESSID_MAX_SIZE);
43f66a6c
JK		 7294 memcpy(priv->essid, network->ssid, priv->essid_len);
7295 }
7296
7297 network->last_associate = jiffies;
7298
7299 memset(&priv->assoc_request, 0, sizeof(priv->assoc_request));
7300 priv->assoc_request.channel = network->channel;
3e234b4e
ZY		 7301 priv->assoc_request.auth_key = 0;
7302
43f66a6c 7303 if ((priv->capability & CAP_PRIVACY_ON) &&
3e234b4e 7304 (priv->ieee->sec.auth_mode == WLAN_AUTH_SHARED_KEY)) {
43f66a6c 7305 priv->assoc_request.auth_type = AUTH_SHARED_KEY;
b095c381
JK		 7306 priv->assoc_request.auth_key = priv->ieee->sec.active_key;
7307
1ba61e05 7308 if (priv->ieee->sec.level == SEC_LEVEL_1)
b095c381 7309 ipw_send_wep_keys(priv, DCW_WEP_KEY_SEC_TYPE_WEP);
3e234b4e
ZY		 7310
7311 } else if ((priv->capability & CAP_PRIVACY_ON) &&
7312 (priv->ieee->sec.auth_mode == WLAN_AUTH_LEAP))
7313 priv->assoc_request.auth_type = AUTH_LEAP;
7314 else
43f66a6c 7315 priv->assoc_request.auth_type = AUTH_OPEN;
43f66a6c 7316
b095c381 7317 if (priv->ieee->wpa_ie_len) {
5b5e807f 7318 priv->assoc_request.policy_support = cpu_to_le16(0x02); /* RSN active */
ea2b26e0
JK		 7319 ipw_set_rsn_capa(priv, priv->ieee->wpa_ie,
7320 priv->ieee->wpa_ie_len);
7321 }
43f66a6c 7322
bf79451e
JG		 7323 /*
7324 * It is valid for our ieee device to support multiple modes, but
7325 * when it comes to associating to a given network we have to choose
43f66a6c
JK		 7326 * just one mode.
7327 */
7328 if (network->mode & priv->ieee->mode & IEEE_A)
7329 priv->assoc_request.ieee_mode = IPW_A_MODE;
7330 else if (network->mode & priv->ieee->mode & IEEE_G)
7331 priv->assoc_request.ieee_mode = IPW_G_MODE;
7332 else if (network->mode & priv->ieee->mode & IEEE_B)
7333 priv->assoc_request.ieee_mode = IPW_B_MODE;
7334
5b5e807f 7335 priv->assoc_request.capability = cpu_to_le16(network->capability);
ea2b26e0
JK		 7336 if ((network->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
7337 && !(priv->config & CFG_PREAMBLE_LONG)) {
7338 priv->assoc_request.preamble_length = DCT_FLAG_SHORT_PREAMBLE;
7339 } else {
7340 priv->assoc_request.preamble_length = DCT_FLAG_LONG_PREAMBLE;
7341
7342 /* Clear the short preamble if we won't be supporting it */
7343 priv->assoc_request.capability &=
5b5e807f 7344 ~cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE);
ea2b26e0
JK		 7345 }
7346
afbf30a2
JK		 7347 /* Clear capability bits that aren't used in Ad Hoc */
7348 if (priv->ieee->iw_mode == IW_MODE_ADHOC)
7349 priv->assoc_request.capability &=
5b5e807f 7350 ~cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME);
afbf30a2 7351
43f66a6c 7352 IPW_DEBUG_ASSOC("%sssocation attempt: '%s', channel %d, "
ea2b26e0 7353 "802.11%c [%d], %s[:%s], enc=%s%s%s%c%c\n",
43f66a6c 7354 roaming ? "Rea" : "A",
7e272fcf 7355 escape_ssid(priv->essid, priv->essid_len),
bf79451e
JG		 7356 network->channel,
7357 ipw_modes[priv->assoc_request.ieee_mode],
7358 rates->num_rates,
ea2b26e0
JK		 7359 (priv->assoc_request.preamble_length ==
7360 DCT_FLAG_LONG_PREAMBLE) ? "long" : "short",
7361 network->capability &
7362 WLAN_CAPABILITY_SHORT_PREAMBLE ? "short" : "long",
43f66a6c 7363 priv->capability & CAP_PRIVACY_ON ? "on " : "off",
bf79451e
JG		 7364 priv->capability & CAP_PRIVACY_ON ?
7365 (priv->capability & CAP_SHARED_KEY ? "(shared)" :
43f66a6c
JK		 7366 "(open)") : "",
7367 priv->capability & CAP_PRIVACY_ON ? " key=" : "",
bf79451e 7368 priv->capability & CAP_PRIVACY_ON ?
b095c381 7369 '1' + priv->ieee->sec.active_key : '.',
0edd5b44 7370 priv->capability & CAP_PRIVACY_ON ? '.' : ' ');
43f66a6c 7371
5b5e807f 7372 priv->assoc_request.beacon_interval = cpu_to_le16(network->beacon_interval);
43f66a6c 7373 if ((priv->ieee->iw_mode == IW_MODE_ADHOC) &&
0edd5b44 7374 (network->time_stamp[0] == 0) && (network->time_stamp[1] == 0)) {
43f66a6c
JK		 7375 priv->assoc_request.assoc_type = HC_IBSS_START;
7376 priv->assoc_request.assoc_tsf_msw = 0;
7377 priv->assoc_request.assoc_tsf_lsw = 0;
7378 } else {
7379 if (unlikely(roaming))
7380 priv->assoc_request.assoc_type = HC_REASSOCIATE;
7381 else
7382 priv->assoc_request.assoc_type = HC_ASSOCIATE;
5b5e807f
AV		 7383 priv->assoc_request.assoc_tsf_msw = cpu_to_le32(network->time_stamp[1]);
7384 priv->assoc_request.assoc_tsf_lsw = cpu_to_le32(network->time_stamp[0]);
43f66a6c
JK		 7385 }
7386
afbf30a2 7387 memcpy(priv->assoc_request.bssid, network->bssid, ETH_ALEN);
43f66a6c
JK		 7388
7389 if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
7390 memset(&priv->assoc_request.dest, 0xFF, ETH_ALEN);
5b5e807f 7391 priv->assoc_request.atim_window = cpu_to_le16(network->atim_window);
43f66a6c 7392 } else {
afbf30a2 7393 memcpy(priv->assoc_request.dest, network->bssid, ETH_ALEN);
43f66a6c
JK		 7394 priv->assoc_request.atim_window = 0;
7395 }
7396
5b5e807f 7397 priv->assoc_request.listen_interval = cpu_to_le16(network->listen_interval);
bf79451e 7398
43f66a6c
JK		 7399 err = ipw_send_ssid(priv, priv->essid, priv->essid_len);
7400 if (err) {
7401 IPW_DEBUG_HC("Attempt to send SSID command failed.\n");
7402 return err;
7403 }
7404
7405 rates->ieee_mode = priv->assoc_request.ieee_mode;
7406 rates->purpose = IPW_RATE_CONNECT;
7407 ipw_send_supported_rates(priv, rates);
bf79451e 7408
43f66a6c
JK		 7409 if (priv->assoc_request.ieee_mode == IPW_G_MODE)
7410 priv->sys_config.dot11g_auto_detection = 1;
7411 else
7412 priv->sys_config.dot11g_auto_detection = 0;
c848d0af
JK		 7413
7414 if (priv->ieee->iw_mode == IW_MODE_ADHOC)
7415 priv->sys_config.answer_broadcast_ssid_probe = 1;
7416 else
7417 priv->sys_config.answer_broadcast_ssid_probe = 0;
7418
d685b8c2 7419 err = ipw_send_system_config(priv);
43f66a6c
JK		 7420 if (err) {
7421 IPW_DEBUG_HC("Attempt to send sys config command failed.\n");
7422 return err;
7423 }
bf79451e 7424
43f66a6c 7425 IPW_DEBUG_ASSOC("Association sensitivity: %d\n", network->stats.rssi);
ea2b26e0 7426 err = ipw_set_sensitivity(priv, network->stats.rssi + IPW_RSSI_TO_DBM);
43f66a6c
JK		 7427 if (err) {
7428 IPW_DEBUG_HC("Attempt to send associate command failed.\n");
7429 return err;
7430 }
7431
7432 /*
7433 * If preemption is enabled, it is possible for the association
7434 * to complete before we return from ipw_send_associate. Therefore
7435 * we have to be sure and update our priviate data first.
7436 */
7437 priv->channel = network->channel;
7438 memcpy(priv->bssid, network->bssid, ETH_ALEN);
bf79451e 7439 priv->status |= STATUS_ASSOCIATING;
43f66a6c
JK		 7440 priv->status &= ~STATUS_SECURITY_UPDATED;
7441
7442 priv->assoc_network = network;
7443
e43e3c1e 7444#ifdef CONFIG_IPW2200_QOS
b095c381
JK		 7445 ipw_qos_association(priv, network);
7446#endif
7447
43f66a6c
JK		 7448 err = ipw_send_associate(priv, &priv->assoc_request);
7449 if (err) {
7450 IPW_DEBUG_HC("Attempt to send associate command failed.\n");
7451 return err;
7452 }
bf79451e 7453
e174961c 7454 IPW_DEBUG(IPW_DL_STATE, "associating: '%s' %pM \n",
7e272fcf 7455 escape_ssid(priv->essid, priv->essid_len),
e174961c 7456 priv->bssid);
43f66a6c
JK		 7457
7458 return 0;
7459}
7460
7461static void ipw_roam(void *data)
7462{
7463 struct ipw_priv *priv = data;
7464 struct ieee80211_network *network = NULL;
7465 struct ipw_network_match match = {
7466 .network = priv->assoc_network
7467 };
7468
7469 /* The roaming process is as follows:
bf79451e
JG		 7470 *
7471 * 1. Missed beacon threshold triggers the roaming process by
43f66a6c
JK		 7472 * setting the status ROAM bit and requesting a scan.
7473 * 2. When the scan completes, it schedules the ROAM work
7474 * 3. The ROAM work looks at all of the known networks for one that
7475 * is a better network than the currently associated. If none
7476 * found, the ROAM process is over (ROAM bit cleared)
7477 * 4. If a better network is found, a disassociation request is
7478 * sent.
7479 * 5. When the disassociation completes, the roam work is again
7480 * scheduled. The second time through, the driver is no longer
7481 * associated, and the newly selected network is sent an
bf79451e 7482 * association request.
43f66a6c
JK		 7483 * 6. At this point ,the roaming process is complete and the ROAM
7484 * status bit is cleared.
7485 */
7486
7487 /* If we are no longer associated, and the roaming bit is no longer
7488 * set, then we are not actively roaming, so just return */
7489 if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ROAMING)))
7490 return;
bf79451e 7491
43f66a6c 7492 if (priv->status & STATUS_ASSOCIATED) {
bf79451e 7493 /* First pass through ROAM process -- look for a better
43f66a6c 7494 * network */
a613bffd 7495 unsigned long flags;
43f66a6c
JK		 7496 u8 rssi = priv->assoc_network->stats.rssi;
7497 priv->assoc_network->stats.rssi = -128;
a613bffd 7498 spin_lock_irqsave(&priv->ieee->lock, flags);
43f66a6c
JK		 7499 list_for_each_entry(network, &priv->ieee->network_list, list) {
7500 if (network != priv->assoc_network)
7501 ipw_best_network(priv, &match, network, 1);
7502 }
a613bffd 7503 spin_unlock_irqrestore(&priv->ieee->lock, flags);
43f66a6c 7504 priv->assoc_network->stats.rssi = rssi;
bf79451e 7505
43f66a6c
JK		 7506 if (match.network == priv->assoc_network) {
7507 IPW_DEBUG_ASSOC("No better APs in this network to "
7508 "roam to.\n");
7509 priv->status &= ~STATUS_ROAMING;
7510 ipw_debug_config(priv);
7511 return;
7512 }
bf79451e 7513
43f66a6c
JK		 7514 ipw_send_disassociate(priv, 1);
7515 priv->assoc_network = match.network;
7516
7517 return;
bf79451e 7518 }
43f66a6c
JK		 7519
7520 /* Second pass through ROAM process -- request association */
7521 ipw_compatible_rates(priv, priv->assoc_network, &match.rates);
7522 ipw_associate_network(priv, priv->assoc_network, &match.rates, 1);
7523 priv->status &= ~STATUS_ROAMING;
7524}
7525
c4028958 7526static void ipw_bg_roam(struct work_struct *work)
c848d0af 7527{
c4028958
DH		 7528 struct ipw_priv *priv =
7529 container_of(work, struct ipw_priv, roam);
4644151b 7530 mutex_lock(&priv->mutex);
c4028958 7531 ipw_roam(priv);
4644151b 7532 mutex_unlock(&priv->mutex);
c848d0af
JK		 7533}
7534
7535static int ipw_associate(void *data)
43f66a6c
JK		 7536{
7537 struct ipw_priv *priv = data;
7538
7539 struct ieee80211_network *network = NULL;
7540 struct ipw_network_match match = {
7541 .network = NULL
7542 };
7543 struct ipw_supported_rates *rates;
7544 struct list_head *element;
a613bffd 7545 unsigned long flags;
43f66a6c 7546
b095c381
JK		 7547 if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
7548 IPW_DEBUG_ASSOC("Not attempting association (monitor mode)\n");
7549 return 0;
7550 }
7551
c848d0af 7552 if (priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
afbf30a2
JK		 7553 IPW_DEBUG_ASSOC("Not attempting association (already in "
7554 "progress)\n");
c848d0af
JK		 7555 return 0;
7556 }
7557
e6324726
HL		 7558 if (priv->status & STATUS_DISASSOCIATING) {
7559 IPW_DEBUG_ASSOC("Not attempting association (in "
7560 "disassociating)\n ");
7561 queue_work(priv->workqueue, &priv->associate);
7562 return 0;
7563 }
7564
c848d0af 7565 if (!ipw_is_init(priv) || (priv->status & STATUS_SCANNING)) {
afbf30a2
JK		 7566 IPW_DEBUG_ASSOC("Not attempting association (scanning or not "
7567 "initialized)\n");
c848d0af
JK		 7568 return 0;
7569 }
43f66a6c
JK		 7570
7571 if (!(priv->config & CFG_ASSOCIATE) &&
7572 !(priv->config & (CFG_STATIC_ESSID |
0edd5b44 7573 CFG_STATIC_CHANNEL | CFG_STATIC_BSSID))) {
43f66a6c 7574 IPW_DEBUG_ASSOC("Not attempting association (associate=0)\n");
c848d0af 7575 return 0;
43f66a6c
JK		 7576 }
7577
a613bffd
JK		 7578 /* Protect our use of the network_list */
7579 spin_lock_irqsave(&priv->ieee->lock, flags);
bf79451e 7580 list_for_each_entry(network, &priv->ieee->network_list, list)
0edd5b44 7581 ipw_best_network(priv, &match, network, 0);
43f66a6c
JK		 7582
7583 network = match.network;
7584 rates = &match.rates;
7585
7586 if (network == NULL &&
7587 priv->ieee->iw_mode == IW_MODE_ADHOC &&
7588 priv->config & CFG_ADHOC_CREATE &&
7589 priv->config & CFG_STATIC_ESSID &&
a6d4eae8
DW		 7590 priv->config & CFG_STATIC_CHANNEL) {
7591 /* Use oldest network if the free list is empty */
7592 if (list_empty(&priv->ieee->network_free_list)) {
7593 struct ieee80211_network *oldest = NULL;
7594 struct ieee80211_network *target;
a6d4eae8
DW		 7595
7596 list_for_each_entry(target, &priv->ieee->network_list, list) {
7597 if ((oldest == NULL) ||
7598 (target->last_scanned < oldest->last_scanned))
7599 oldest = target;
7600 }
7601
7602 /* If there are no more slots, expire the oldest */
7603 list_del(&oldest->list);
7604 target = oldest;
e174961c 7605 IPW_DEBUG_ASSOC("Expired '%s' (%pM) from "
a6d4eae8 7606 "network list.\n",
7e272fcf
JL		 7607 escape_ssid(target->ssid,
7608 target->ssid_len),
e174961c 7609 target->bssid);
a6d4eae8
DW		 7610 list_add_tail(&target->list,
7611 &priv->ieee->network_free_list);
7612 }
7613
43f66a6c 7614 element = priv->ieee->network_free_list.next;
0edd5b44 7615 network = list_entry(element, struct ieee80211_network, list);
43f66a6c
JK		 7616 ipw_adhoc_create(priv, network);
7617 rates = &priv->rates;
7618 list_del(element);
7619 list_add_tail(&network->list, &priv->ieee->network_list);
7620 }
a613bffd 7621 spin_unlock_irqrestore(&priv->ieee->lock, flags);
bf79451e 7622
43f66a6c
JK		 7623 /* If we reached the end of the list, then we don't have any valid
7624 * matching APs */
7625 if (!network) {
7626 ipw_debug_config(priv);
7627
b095c381
JK		 7628 if (!(priv->status & STATUS_SCANNING)) {
7629 if (!(priv->config & CFG_SPEED_SCAN))
7630 queue_delayed_work(priv->workqueue,
7631 &priv->request_scan,
7632 SCAN_INTERVAL);
7633 else
c4028958
DH		 7634 queue_delayed_work(priv->workqueue,
7635 &priv->request_scan, 0);
b095c381 7636 }
bf79451e 7637
c848d0af 7638 return 0;
43f66a6c
JK		 7639 }
7640
7641 ipw_associate_network(priv, network, rates, 0);
c848d0af
JK		 7642
7643 return 1;
7644}
7645
c4028958 7646static void ipw_bg_associate(struct work_struct *work)
c848d0af 7647{
c4028958
DH		 7648 struct ipw_priv *priv =
7649 container_of(work, struct ipw_priv, associate);
4644151b 7650 mutex_lock(&priv->mutex);
c4028958 7651 ipw_associate(priv);
4644151b 7652 mutex_unlock(&priv->mutex);
43f66a6c 7653}
bf79451e 7654
b095c381
JK		 7655static void ipw_rebuild_decrypted_skb(struct ipw_priv *priv,
7656 struct sk_buff *skb)
7657{
7658 struct ieee80211_hdr *hdr;
7659 u16 fc;
7660
7661 hdr = (struct ieee80211_hdr *)skb->data;
7662 fc = le16_to_cpu(hdr->frame_ctl);
7663 if (!(fc & IEEE80211_FCTL_PROTECTED))
7664 return;
7665
7666 fc &= ~IEEE80211_FCTL_PROTECTED;
7667 hdr->frame_ctl = cpu_to_le16(fc);
7668 switch (priv->ieee->sec.level) {
7669 case SEC_LEVEL_3:
7670 /* Remove CCMP HDR */
7671 memmove(skb->data + IEEE80211_3ADDR_LEN,
7672 skb->data + IEEE80211_3ADDR_LEN + 8,
7673 skb->len - IEEE80211_3ADDR_LEN - 8);
f4ff497d 7674 skb_trim(skb, skb->len - 16); /* CCMP_HDR_LEN + CCMP_MIC_LEN */
b095c381
JK		 7675 break;
7676 case SEC_LEVEL_2:
7677 break;
7678 case SEC_LEVEL_1:
7679 /* Remove IV */
7680 memmove(skb->data + IEEE80211_3ADDR_LEN,
7681 skb->data + IEEE80211_3ADDR_LEN + 4,
7682 skb->len - IEEE80211_3ADDR_LEN - 4);
f4ff497d 7683 skb_trim(skb, skb->len - 8); /* IV + ICV */
b095c381
JK		 7684 break;
7685 case SEC_LEVEL_0:
7686 break;
7687 default:
7688 printk(KERN_ERR "Unknow security level %d\n",
7689 priv->ieee->sec.level);
7690 break;
7691 }
43f66a6c 7692}
bf79451e 7693
b095c381
JK		 7694static void ipw_handle_data_packet(struct ipw_priv *priv,
7695 struct ipw_rx_mem_buffer *rxb,
7696 struct ieee80211_rx_stats *stats)
43f66a6c 7697{
567deaf6 7698 struct ieee80211_hdr_4addr *hdr;
43f66a6c
JK		 7699 struct ipw_rx_packet *pkt = (struct ipw_rx_packet *)rxb->skb->data;
7700
7701 /* We received data from the HW, so stop the watchdog */
7702 priv->net_dev->trans_start = jiffies;
7703
bf79451e 7704 /* We only process data packets if the
43f66a6c 7705 * interface is open */
a613bffd 7706 if (unlikely((le16_to_cpu(pkt->u.frame.length) + IPW_RX_FRAME_SIZE) >
43f66a6c
JK		 7707 skb_tailroom(rxb->skb))) {
7708 priv->ieee->stats.rx_errors++;
7709 priv->wstats.discard.misc++;
7710 IPW_DEBUG_DROP("Corruption detected! Oh no!\n");
7711 return;
7712 } else if (unlikely(!netif_running(priv->net_dev))) {
7713 priv->ieee->stats.rx_dropped++;
7714 priv->wstats.discard.misc++;
7715 IPW_DEBUG_DROP("Dropping packet while interface is not up.\n");
7716 return;
7717 }
7718
7719 /* Advance skb->data to the start of the actual payload */
aaa4d308 7720 skb_reserve(rxb->skb, offsetof(struct ipw_rx_packet, u.frame.data));
43f66a6c
JK		 7721
7722 /* Set the size of the skb to the size of the frame */
a613bffd 7723 skb_put(rxb->skb, le16_to_cpu(pkt->u.frame.length));
43f66a6c
JK		 7724
7725 IPW_DEBUG_RX("Rx packet of %d bytes.\n", rxb->skb->len);
7726
b095c381 7727 /* HW decrypt will not clear the WEP bit, MIC, PN, etc. */
567deaf6
HL		 7728 hdr = (struct ieee80211_hdr_4addr *)rxb->skb->data;
7729 if (priv->ieee->iw_mode != IW_MODE_MONITOR &&
3c19065a 7730 (is_multicast_ether_addr(hdr->addr1) ?
567deaf6 7731 !priv->ieee->host_mc_decrypt : !priv->ieee->host_decrypt))
b095c381
JK		 7732 ipw_rebuild_decrypted_skb(priv, rxb->skb);
7733
bf79451e 7734 if (!ieee80211_rx(priv->ieee, rxb->skb, stats))
43f66a6c 7735 priv->ieee->stats.rx_errors++;
a613bffd 7736 else { /* ieee80211_rx succeeded, so it now owns the SKB */
43f66a6c 7737 rxb->skb = NULL;
b095c381 7738 __ipw_led_activity_on(priv);
a613bffd 7739 }
43f66a6c
JK		 7740}
7741
459d4087 7742#ifdef CONFIG_IPW2200_RADIOTAP
24a47dbd
MK		 7743static void ipw_handle_data_packet_monitor(struct ipw_priv *priv,
7744 struct ipw_rx_mem_buffer *rxb,
7745 struct ieee80211_rx_stats *stats)
7746{
7747 struct ipw_rx_packet *pkt = (struct ipw_rx_packet *)rxb->skb->data;
7748 struct ipw_rx_frame *frame = &pkt->u.frame;
7749
7750 /* initial pull of some data */
7751 u16 received_channel = frame->received_channel;
7752 u8 antennaAndPhy = frame->antennaAndPhy;
7753 s8 antsignal = frame->rssi_dbm - IPW_RSSI_TO_DBM; /* call it signed anyhow */
7754 u16 pktrate = frame->rate;
7755
7756 /* Magic struct that slots into the radiotap header -- no reason
7757 * to build this manually element by element, we can write it much
7758 * more efficiently than we can parse it. ORDER MATTERS HERE */
d685b8c2 7759 struct ipw_rt_hdr *ipw_rt;
24a47dbd
MK		 7760
7761 short len = le16_to_cpu(pkt->u.frame.length);
7762
7763 /* We received data from the HW, so stop the watchdog */
7764 priv->net_dev->trans_start = jiffies;
7765
7766 /* We only process data packets if the
7767 * interface is open */
7768 if (unlikely((le16_to_cpu(pkt->u.frame.length) + IPW_RX_FRAME_SIZE) >
7769 skb_tailroom(rxb->skb))) {
7770 priv->ieee->stats.rx_errors++;
7771 priv->wstats.discard.misc++;
7772 IPW_DEBUG_DROP("Corruption detected! Oh no!\n");
7773 return;
7774 } else if (unlikely(!netif_running(priv->net_dev))) {
7775 priv->ieee->stats.rx_dropped++;
7776 priv->wstats.discard.misc++;
7777 IPW_DEBUG_DROP("Dropping packet while interface is not up.\n");
7778 return;
7779 }
7780
7781 /* Libpcap 0.9.3+ can handle variable length radiotap, so we'll use
7782 * that now */
7783 if (len > IPW_RX_BUF_SIZE - sizeof(struct ipw_rt_hdr)) {
7784 /* FIXME: Should alloc bigger skb instead */
7785 priv->ieee->stats.rx_dropped++;
7786 priv->wstats.discard.misc++;
7787 IPW_DEBUG_DROP("Dropping too large packet in monitor\n");
7788 return;
7789 }
7790
7791 /* copy the frame itself */
7792 memmove(rxb->skb->data + sizeof(struct ipw_rt_hdr),
7793 rxb->skb->data + IPW_RX_FRAME_SIZE, len);
7794
7795 /* Zero the radiotap static buffer ... We only need to zero the bytes NOT
7796 * part of our real header, saves a little time.
7797 *
7798 * No longer necessary since we fill in all our data. Purge before merging
7799 * patch officially.
7800 * memset(rxb->skb->data + sizeof(struct ipw_rt_hdr), 0,
7801 * IEEE80211_RADIOTAP_HDRLEN - sizeof(struct ipw_rt_hdr));
7802 */
7803
7804 ipw_rt = (struct ipw_rt_hdr *)rxb->skb->data;
7805
7806 ipw_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION;
7807 ipw_rt->rt_hdr.it_pad = 0; /* always good to zero */
743b84d2 7808 ipw_rt->rt_hdr.it_len = cpu_to_le16(sizeof(struct ipw_rt_hdr)); /* total header+data */
24a47dbd
MK		 7809
7810 /* Big bitfield of all the fields we provide in radiotap */
743b84d2
AV		 7811 ipw_rt->rt_hdr.it_present = cpu_to_le32(
7812 (1 << IEEE80211_RADIOTAP_TSFT) |
4b1f8a99 7813 (1 << IEEE80211_RADIOTAP_FLAGS) |
24a47dbd
MK		 7814 (1 << IEEE80211_RADIOTAP_RATE) |
7815 (1 << IEEE80211_RADIOTAP_CHANNEL) |
7816 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |
d685b8c2 7817 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |
24a47dbd
MK		 7818 (1 << IEEE80211_RADIOTAP_ANTENNA));
7819
7820 /* Zero the flags, we'll add to them as we go */
7821 ipw_rt->rt_flags = 0;
4b1f8a99
ZY		 7822 ipw_rt->rt_tsf = (u64)(frame->parent_tsf[3] << 24 |
7823 frame->parent_tsf[2] << 16 |
7824 frame->parent_tsf[1] << 8 |
7825 frame->parent_tsf[0]);
24a47dbd
MK		 7826
7827 /* Convert signal to DBM */
7828 ipw_rt->rt_dbmsignal = antsignal;
4b1f8a99 7829 ipw_rt->rt_dbmnoise = frame->noise;
24a47dbd
MK		 7830
7831 /* Convert the channel data and set the flags */
7832 ipw_rt->rt_channel = cpu_to_le16(ieee80211chan2mhz(received_channel));
7833 if (received_channel > 14) { /* 802.11a */
7834 ipw_rt->rt_chbitmask =
7835 cpu_to_le16((IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ));
7836 } else if (antennaAndPhy & 32) { /* 802.11b */
7837 ipw_rt->rt_chbitmask =
7838 cpu_to_le16((IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ));
7839 } else { /* 802.11g */
7840 ipw_rt->rt_chbitmask =
472caf8c 7841 cpu_to_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ);
24a47dbd
MK		 7842 }
7843
7844 /* set the rate in multiples of 500k/s */
7845 switch (pktrate) {
7846 case IPW_TX_RATE_1MB:
7847 ipw_rt->rt_rate = 2;
7848 break;
7849 case IPW_TX_RATE_2MB:
7850 ipw_rt->rt_rate = 4;
7851 break;
7852 case IPW_TX_RATE_5MB:
7853 ipw_rt->rt_rate = 10;
7854 break;
7855 case IPW_TX_RATE_6MB:
7856 ipw_rt->rt_rate = 12;
7857 break;
7858 case IPW_TX_RATE_9MB:
7859 ipw_rt->rt_rate = 18;
7860 break;
7861 case IPW_TX_RATE_11MB:
7862 ipw_rt->rt_rate = 22;
7863 break;
7864 case IPW_TX_RATE_12MB:
7865 ipw_rt->rt_rate = 24;
7866 break;
7867 case IPW_TX_RATE_18MB:
7868 ipw_rt->rt_rate = 36;
7869 break;
7870 case IPW_TX_RATE_24MB:
7871 ipw_rt->rt_rate = 48;
7872 break;
7873 case IPW_TX_RATE_36MB:
7874 ipw_rt->rt_rate = 72;
7875 break;
7876 case IPW_TX_RATE_48MB:
7877 ipw_rt->rt_rate = 96;
7878 break;
7879 case IPW_TX_RATE_54MB:
7880 ipw_rt->rt_rate = 108;
7881 break;
7882 default:
7883 ipw_rt->rt_rate = 0;
7884 break;
7885 }
7886
7887 /* antenna number */
7888 ipw_rt->rt_antenna = (antennaAndPhy & 3); /* Is this right? */
7889
7890 /* set the preamble flag if we have it */
7891 if ((antennaAndPhy & 64))
7892 ipw_rt->rt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
7893
7894 /* Set the size of the skb to the size of the frame */
7895 skb_put(rxb->skb, len + sizeof(struct ipw_rt_hdr));
43f66a6c
JK		 7896
7897 IPW_DEBUG_RX("Rx packet of %d bytes.\n", rxb->skb->len);
7898
bf79451e 7899 if (!ieee80211_rx(priv->ieee, rxb->skb, stats))
43f66a6c 7900 priv->ieee->stats.rx_errors++;
24a47dbd
MK		 7901 else { /* ieee80211_rx succeeded, so it now owns the SKB */
7902 rxb->skb = NULL;
7903 /* no LED during capture */
7904 }
7905}
7906#endif
7907
d685b8c2
ZY		 7908#ifdef CONFIG_IPW2200_PROMISCUOUS
7909#define ieee80211_is_probe_response(fc) \
7910 ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT && \
7911 (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP )
7912
7913#define ieee80211_is_management(fc) \
7914 ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)
7915
7916#define ieee80211_is_control(fc) \
7917 ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL)
7918
7919#define ieee80211_is_data(fc) \
7920 ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)
7921
7922#define ieee80211_is_assoc_request(fc) \
7923 ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_REQ)
7924
7925#define ieee80211_is_reassoc_request(fc) \
7926 ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_REASSOC_REQ)
7927
7928static void ipw_handle_promiscuous_rx(struct ipw_priv *priv,
7929 struct ipw_rx_mem_buffer *rxb,
7930 struct ieee80211_rx_stats *stats)
7931{
7932 struct ipw_rx_packet *pkt = (struct ipw_rx_packet *)rxb->skb->data;
7933 struct ipw_rx_frame *frame = &pkt->u.frame;
7934 struct ipw_rt_hdr *ipw_rt;
7935
7936 /* First cache any information we need before we overwrite
7937 * the information provided in the skb from the hardware */
7938 struct ieee80211_hdr *hdr;
7939 u16 channel = frame->received_channel;
7940 u8 phy_flags = frame->antennaAndPhy;
7941 s8 signal = frame->rssi_dbm - IPW_RSSI_TO_DBM;
7942 s8 noise = frame->noise;
7943 u8 rate = frame->rate;
7944 short len = le16_to_cpu(pkt->u.frame.length);
d685b8c2
ZY		 7945 struct sk_buff *skb;
7946 int hdr_only = 0;
7947 u16 filter = priv->prom_priv->filter;
7948
7949 /* If the filter is set to not include Rx frames then return */
7950 if (filter & IPW_PROM_NO_RX)
7951 return;
7952
d685b8c2
ZY		 7953 /* We received data from the HW, so stop the watchdog */
7954 priv->prom_net_dev->trans_start = jiffies;
7955
7956 if (unlikely((len + IPW_RX_FRAME_SIZE) > skb_tailroom(rxb->skb))) {
7957 priv->prom_priv->ieee->stats.rx_errors++;
7958 IPW_DEBUG_DROP("Corruption detected! Oh no!\n");
7959 return;
7960 }
7961
7962 /* We only process data packets if the interface is open */
7963 if (unlikely(!netif_running(priv->prom_net_dev))) {
7964 priv->prom_priv->ieee->stats.rx_dropped++;
7965 IPW_DEBUG_DROP("Dropping packet while interface is not up.\n");
7966 return;
7967 }
7968
7969 /* Libpcap 0.9.3+ can handle variable length radiotap, so we'll use
7970 * that now */
7971 if (len > IPW_RX_BUF_SIZE - sizeof(struct ipw_rt_hdr)) {
7972 /* FIXME: Should alloc bigger skb instead */
7973 priv->prom_priv->ieee->stats.rx_dropped++;
7974 IPW_DEBUG_DROP("Dropping too large packet in monitor\n");
7975 return;
7976 }
7977
7978 hdr = (void *)rxb->skb->data + IPW_RX_FRAME_SIZE;
851ca268 7979 if (ieee80211_is_management(le16_to_cpu(hdr->frame_ctl))) {
d685b8c2
ZY		 7980 if (filter & IPW_PROM_NO_MGMT)
7981 return;
7982 if (filter & IPW_PROM_MGMT_HEADER_ONLY)
7983 hdr_only = 1;
851ca268 7984 } else if (ieee80211_is_control(le16_to_cpu(hdr->frame_ctl))) {
d685b8c2
ZY		 7985 if (filter & IPW_PROM_NO_CTL)
7986 return;
7987 if (filter & IPW_PROM_CTL_HEADER_ONLY)
7988 hdr_only = 1;
851ca268 7989 } else if (ieee80211_is_data(le16_to_cpu(hdr->frame_ctl))) {
d685b8c2
ZY		 7990 if (filter & IPW_PROM_NO_DATA)
7991 return;
7992 if (filter & IPW_PROM_DATA_HEADER_ONLY)
7993 hdr_only = 1;
7994 }
7995
7996 /* Copy the SKB since this is for the promiscuous side */
7997 skb = skb_copy(rxb->skb, GFP_ATOMIC);
7998 if (skb == NULL) {
7999 IPW_ERROR("skb_clone failed for promiscuous copy.\n");
8000 return;
8001 }
8002
8003 /* copy the frame data to write after where the radiotap header goes */
8004 ipw_rt = (void *)skb->data;
8005
8006 if (hdr_only)
851ca268 8007 len = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
d685b8c2
ZY		 8008
8009 memcpy(ipw_rt->payload, hdr, len);
8010
8011 /* Zero the radiotap static buffer ... We only need to zero the bytes
8012 * NOT part of our real header, saves a little time.
8013 *
8014 * No longer necessary since we fill in all our data. Purge before
8015 * merging patch officially.
8016 * memset(rxb->skb->data + sizeof(struct ipw_rt_hdr), 0,
8017 * IEEE80211_RADIOTAP_HDRLEN - sizeof(struct ipw_rt_hdr));
8018 */
8019
8020 ipw_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION;
8021 ipw_rt->rt_hdr.it_pad = 0; /* always good to zero */
743b84d2 8022 ipw_rt->rt_hdr.it_len = cpu_to_le16(sizeof(*ipw_rt)); /* total header+data */
d685b8c2
ZY		 8023
8024 /* Set the size of the skb to the size of the frame */
743b84d2 8025 skb_put(skb, sizeof(*ipw_rt) + len);
d685b8c2
ZY		 8026
8027 /* Big bitfield of all the fields we provide in radiotap */
743b84d2
AV		 8028 ipw_rt->rt_hdr.it_present = cpu_to_le32(
8029 (1 << IEEE80211_RADIOTAP_TSFT) |
4b1f8a99 8030 (1 << IEEE80211_RADIOTAP_FLAGS) |
d685b8c2
ZY		 8031 (1 << IEEE80211_RADIOTAP_RATE) |
8032 (1 << IEEE80211_RADIOTAP_CHANNEL) |
8033 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |
8034 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |
8035 (1 << IEEE80211_RADIOTAP_ANTENNA));
8036
8037 /* Zero the flags, we'll add to them as we go */
8038 ipw_rt->rt_flags = 0;
4b1f8a99
ZY		 8039 ipw_rt->rt_tsf = (u64)(frame->parent_tsf[3] << 24 |
8040 frame->parent_tsf[2] << 16 |
8041 frame->parent_tsf[1] << 8 |
8042 frame->parent_tsf[0]);
d685b8c2
ZY		 8043
8044 /* Convert to DBM */
8045 ipw_rt->rt_dbmsignal = signal;
8046 ipw_rt->rt_dbmnoise = noise;
8047
8048 /* Convert the channel data and set the flags */
8049 ipw_rt->rt_channel = cpu_to_le16(ieee80211chan2mhz(channel));
8050 if (channel > 14) { /* 802.11a */
8051 ipw_rt->rt_chbitmask =
8052 cpu_to_le16((IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ));
8053 } else if (phy_flags & (1 << 5)) { /* 802.11b */
8054 ipw_rt->rt_chbitmask =
8055 cpu_to_le16((IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ));
8056 } else { /* 802.11g */
8057 ipw_rt->rt_chbitmask =
472caf8c 8058 cpu_to_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ);
d685b8c2
ZY		 8059 }
8060
8061 /* set the rate in multiples of 500k/s */
8062 switch (rate) {
8063 case IPW_TX_RATE_1MB:
8064 ipw_rt->rt_rate = 2;
8065 break;
8066 case IPW_TX_RATE_2MB:
8067 ipw_rt->rt_rate = 4;
8068 break;
8069 case IPW_TX_RATE_5MB:
8070 ipw_rt->rt_rate = 10;
8071 break;
8072 case IPW_TX_RATE_6MB:
8073 ipw_rt->rt_rate = 12;
8074 break;
8075 case IPW_TX_RATE_9MB:
8076 ipw_rt->rt_rate = 18;
8077 break;
8078 case IPW_TX_RATE_11MB:
8079 ipw_rt->rt_rate = 22;
8080 break;
8081 case IPW_TX_RATE_12MB:
8082 ipw_rt->rt_rate = 24;
8083 break;
8084 case IPW_TX_RATE_18MB:
8085 ipw_rt->rt_rate = 36;
8086 break;
8087 case IPW_TX_RATE_24MB:
8088 ipw_rt->rt_rate = 48;
8089 break;
8090 case IPW_TX_RATE_36MB:
8091 ipw_rt->rt_rate = 72;
8092 break;
8093 case IPW_TX_RATE_48MB:
8094 ipw_rt->rt_rate = 96;
8095 break;
8096 case IPW_TX_RATE_54MB:
8097 ipw_rt->rt_rate = 108;
8098 break;
8099 default:
8100 ipw_rt->rt_rate = 0;
8101 break;
8102 }
8103
8104 /* antenna number */
8105 ipw_rt->rt_antenna = (phy_flags & 3);
8106
8107 /* set the preamble flag if we have it */
8108 if (phy_flags & (1 << 6))
8109 ipw_rt->rt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
8110
8111 IPW_DEBUG_RX("Rx packet of %d bytes.\n", skb->len);
8112
8113 if (!ieee80211_rx(priv->prom_priv->ieee, skb, stats)) {
8114 priv->prom_priv->ieee->stats.rx_errors++;
8115 dev_kfree_skb_any(skb);
8116 }
8117}
8118#endif
8119
858119e1 8120static int is_network_packet(struct ipw_priv *priv,
ea2b26e0
JK		 8121 struct ieee80211_hdr_4addr *header)
8122{
8123 /* Filter incoming packets to determine if they are targetted toward
8124 * this network, discarding packets coming from ourselves */
8125 switch (priv->ieee->iw_mode) {
a613bffd 8126 case IW_MODE_ADHOC: /* Header: Dest. | Source | BSSID */
c848d0af
JK		 8127 /* packets from our adapter are dropped (echo) */
8128 if (!memcmp(header->addr2, priv->net_dev->dev_addr, ETH_ALEN))
8129 return 0;
8130
90700fd9 8131 /* {broad,multi}cast packets to our BSSID go through */
3c19065a 8132 if (is_multicast_ether_addr(header->addr1))
ea2b26e0 8133 return !memcmp(header->addr3, priv->bssid, ETH_ALEN);
a613bffd
JK		 8134
8135 /* packets to our adapter go through */
8136 return !memcmp(header->addr1, priv->net_dev->dev_addr,
8137 ETH_ALEN);
a613bffd 8138
90700fd9 8139 case IW_MODE_INFRA: /* Header: Dest. | BSSID | Source */
c848d0af
JK		 8140 /* packets from our adapter are dropped (echo) */
8141 if (!memcmp(header->addr3, priv->net_dev->dev_addr, ETH_ALEN))
8142 return 0;
8143
90700fd9 8144 /* {broad,multi}cast packets to our BSS go through */
3c19065a 8145 if (is_multicast_ether_addr(header->addr1))
a613bffd
JK		 8146 return !memcmp(header->addr2, priv->bssid, ETH_ALEN);
8147
8148 /* packets to our adapter go through */
8149 return !memcmp(header->addr1, priv->net_dev->dev_addr,
8150 ETH_ALEN);
ea2b26e0 8151 }
a613bffd 8152
ea2b26e0
JK		 8153 return 1;
8154}
8155
afbf30a2
JK		 8156#define IPW_PACKET_RETRY_TIME HZ
8157
858119e1 8158static int is_duplicate_packet(struct ipw_priv *priv,
afbf30a2
JK		 8159 struct ieee80211_hdr_4addr *header)
8160{
afbf30a2
JK		 8161 u16 sc = le16_to_cpu(header->seq_ctl);
8162 u16 seq = WLAN_GET_SEQ_SEQ(sc);
8163 u16 frag = WLAN_GET_SEQ_FRAG(sc);
8164 u16 *last_seq, *last_frag;
8165 unsigned long *last_time;
8166
8167 switch (priv->ieee->iw_mode) {
8168 case IW_MODE_ADHOC:
8169 {
8170 struct list_head *p;
8171 struct ipw_ibss_seq *entry = NULL;
8172 u8 *mac = header->addr2;
8173 int index = mac[5] % IPW_IBSS_MAC_HASH_SIZE;
8174
8175 __list_for_each(p, &priv->ibss_mac_hash[index]) {
8176 entry =
8177 list_entry(p, struct ipw_ibss_seq, list);
8178 if (!memcmp(entry->mac, mac, ETH_ALEN))
8179 break;
8180 }
8181 if (p == &priv->ibss_mac_hash[index]) {
8182 entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
8183 if (!entry) {
8184 IPW_ERROR
8185 ("Cannot malloc new mac entry\n");
8186 return 0;
8187 }
8188 memcpy(entry->mac, mac, ETH_ALEN);
8189 entry->seq_num = seq;
8190 entry->frag_num = frag;
8191 entry->packet_time = jiffies;
8192 list_add(&entry->list,
8193 &priv->ibss_mac_hash[index]);
8194 return 0;
8195 }
8196 last_seq = &entry->seq_num;
8197 last_frag = &entry->frag_num;
8198 last_time = &entry->packet_time;
8199 break;
8200 }
8201 case IW_MODE_INFRA:
8202 last_seq = &priv->last_seq_num;
8203 last_frag = &priv->last_frag_num;
8204 last_time = &priv->last_packet_time;
8205 break;
8206 default:
8207 return 0;
8208 }
8209 if ((*last_seq == seq) &&
8210 time_after(*last_time + IPW_PACKET_RETRY_TIME, jiffies)) {
8211 if (*last_frag == frag)
8212 goto drop;
8213 if (*last_frag + 1 != frag)
8214 /* out-of-order fragment */
8215 goto drop;
afbf30a2
JK		 8216 } else
8217 *last_seq = seq;
8218
f57ce7ce 8219 *last_frag = frag;
afbf30a2
JK		 8220 *last_time = jiffies;
8221 return 0;
8222
8223 drop:
87b016cb
ZY		 8224 /* Comment this line now since we observed the card receives
8225 * duplicate packets but the FCTL_RETRY bit is not set in the
8226 * IBSS mode with fragmentation enabled.
8227 BUG_ON(!(le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_RETRY)); */
afbf30a2
JK		 8228 return 1;
8229}
8230
b095c381
JK		 8231static void ipw_handle_mgmt_packet(struct ipw_priv *priv,
8232 struct ipw_rx_mem_buffer *rxb,
8233 struct ieee80211_rx_stats *stats)
8234{
8235 struct sk_buff *skb = rxb->skb;
8236 struct ipw_rx_packet *pkt = (struct ipw_rx_packet *)skb->data;
8237 struct ieee80211_hdr_4addr *header = (struct ieee80211_hdr_4addr *)
8238 (skb->data + IPW_RX_FRAME_SIZE);
8239
8240 ieee80211_rx_mgt(priv->ieee, header, stats);
8241
8242 if (priv->ieee->iw_mode == IW_MODE_ADHOC &&
8243 ((WLAN_FC_GET_STYPE(le16_to_cpu(header->frame_ctl)) ==
8244 IEEE80211_STYPE_PROBE_RESP) ||
8245 (WLAN_FC_GET_STYPE(le16_to_cpu(header->frame_ctl)) ==
8246 IEEE80211_STYPE_BEACON))) {
8247 if (!memcmp(header->addr3, priv->bssid, ETH_ALEN))
8248 ipw_add_station(priv, header->addr2);
8249 }
8250
8251 if (priv->config & CFG_NET_STATS) {
8252 IPW_DEBUG_HC("sending stat packet\n");
8253
8254 /* Set the size of the skb to the size of the full
8255 * ipw header and 802.11 frame */
8256 skb_put(skb, le16_to_cpu(pkt->u.frame.length) +
8257 IPW_RX_FRAME_SIZE);
8258
8259 /* Advance past the ipw packet header to the 802.11 frame */
8260 skb_pull(skb, IPW_RX_FRAME_SIZE);
8261
8262 /* Push the ieee80211_rx_stats before the 802.11 frame */
8263 memcpy(skb_push(skb, sizeof(*stats)), stats, sizeof(*stats));
8264
8265 skb->dev = priv->ieee->dev;
8266
8267 /* Point raw at the ieee80211_stats */
459a98ed 8268 skb_reset_mac_header(skb);
b095c381
JK		 8269
8270 skb->pkt_type = PACKET_OTHERHOST;
8271 skb->protocol = __constant_htons(ETH_P_80211_STATS);
8272 memset(skb->cb, 0, sizeof(rxb->skb->cb));
8273 netif_rx(skb);
43f66a6c 8274 rxb->skb = NULL;
b095c381 8275 }
43f66a6c
JK		 8276}
8277
43f66a6c
JK		 8278/*
8279 * Main entry function for recieving a packet with 80211 headers. This
8280 * should be called when ever the FW has notified us that there is a new
8281 * skb in the recieve queue.
8282 */
8283static void ipw_rx(struct ipw_priv *priv)
8284{
8285 struct ipw_rx_mem_buffer *rxb;
8286 struct ipw_rx_packet *pkt;
0dacca1f 8287 struct ieee80211_hdr_4addr *header;
43f66a6c
JK		 8288 u32 r, w, i;
8289 u8 network_packet;
943dbef4 8290 u8 fill_rx = 0;
43f66a6c 8291
b095c381
JK		 8292 r = ipw_read32(priv, IPW_RX_READ_INDEX);
8293 w = ipw_read32(priv, IPW_RX_WRITE_INDEX);
943dbef4
DW		 8294 i = priv->rxq->read;
8295
8296 if (ipw_rx_queue_space (priv->rxq) > (RX_QUEUE_SIZE / 2))
8297 fill_rx = 1;
43f66a6c
JK		 8298
8299 while (i != r) {
8300 rxb = priv->rxq->queue[i];
43f66a6c
JK		 8301 if (unlikely(rxb == NULL)) {
8302 printk(KERN_CRIT "Queue not allocated!\n");
8303 break;
8304 }
43f66a6c
JK		 8305 priv->rxq->queue[i] = NULL;
8306
8307 pci_dma_sync_single_for_cpu(priv->pci_dev, rxb->dma_addr,
b095c381 8308 IPW_RX_BUF_SIZE,
43f66a6c
JK		 8309 PCI_DMA_FROMDEVICE);
8310
8311 pkt = (struct ipw_rx_packet *)rxb->skb->data;
8312 IPW_DEBUG_RX("Packet: type=%02X seq=%02X bits=%02X\n",
8313 pkt->header.message_type,
0edd5b44 8314 pkt->header.rx_seq_num, pkt->header.control_bits);
43f66a6c
JK		 8315
8316 switch (pkt->header.message_type) {
0edd5b44
JG		 8317 case RX_FRAME_TYPE: /* 802.11 frame */ {
8318 struct ieee80211_rx_stats stats = {
851ca268 8319 .rssi = pkt->u.frame.rssi_dbm -
0edd5b44 8320 IPW_RSSI_TO_DBM,
c848d0af 8321 .signal =
b191608a
BM		 8322 le16_to_cpu(pkt->u.frame.rssi_dbm) -
8323 IPW_RSSI_TO_DBM + 0x100,
c848d0af
JK		 8324 .noise =
8325 le16_to_cpu(pkt->u.frame.noise),
0edd5b44
JG		 8326 .rate = pkt->u.frame.rate,
8327 .mac_time = jiffies,
8328 .received_channel =
8329 pkt->u.frame.received_channel,
8330 .freq =
8331 (pkt->u.frame.
8332 control & (1 << 0)) ?
8333 IEEE80211_24GHZ_BAND :
8334 IEEE80211_52GHZ_BAND,
a613bffd 8335 .len = le16_to_cpu(pkt->u.frame.length),
0edd5b44
JG		 8336 };
8337
8338 if (stats.rssi != 0)
8339 stats.mask |= IEEE80211_STATMASK_RSSI;
8340 if (stats.signal != 0)
8341 stats.mask |= IEEE80211_STATMASK_SIGNAL;
c848d0af
JK		 8342 if (stats.noise != 0)
8343 stats.mask |= IEEE80211_STATMASK_NOISE;
0edd5b44
JG		 8344 if (stats.rate != 0)
8345 stats.mask |= IEEE80211_STATMASK_RATE;
8346
8347 priv->rx_packets++;
43f66a6c 8348
d685b8c2
ZY		 8349#ifdef CONFIG_IPW2200_PROMISCUOUS
8350 if (priv->prom_net_dev && netif_running(priv->prom_net_dev))
8351 ipw_handle_promiscuous_rx(priv, rxb, &stats);
8352#endif
8353
b095c381 8354#ifdef CONFIG_IPW2200_MONITOR
0edd5b44 8355 if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
459d4087 8356#ifdef CONFIG_IPW2200_RADIOTAP
d685b8c2
ZY		 8357
8358 ipw_handle_data_packet_monitor(priv,
8359 rxb,
8360 &stats);
24a47dbd 8361#else
d685b8c2
ZY		 8362 ipw_handle_data_packet(priv, rxb,
8363 &stats);
24a47dbd 8364#endif
0edd5b44
JG		 8365 break;
8366 }
43f66a6c 8367#endif
bf79451e 8368
0edd5b44 8369 header =
0dacca1f
JK		 8370 (struct ieee80211_hdr_4addr *)(rxb->skb->
8371 data +
8372 IPW_RX_FRAME_SIZE);
43f66a6c
JK		 8373 /* TODO: Check Ad-Hoc dest/source and make sure
8374 * that we are actually parsing these packets
bf79451e 8375 * correctly -- we should probably use the
43f66a6c
JK		 8376 * frame control of the packet and disregard
8377 * the current iw_mode */
0edd5b44 8378
ea2b26e0
JK		 8379 network_packet =
8380 is_network_packet(priv, header);
0edd5b44
JG		 8381 if (network_packet && priv->assoc_network) {
8382 priv->assoc_network->stats.rssi =
8383 stats.rssi;
00d21de5
ZY		 8384 priv->exp_avg_rssi =
8385 exponential_average(priv->exp_avg_rssi,
8386 stats.rssi, DEPTH_RSSI);
0edd5b44
JG		 8387 }
8388
8389 IPW_DEBUG_RX("Frame: len=%u\n",
a613bffd 8390 le16_to_cpu(pkt->u.frame.length));
0edd5b44 8391
a613bffd 8392 if (le16_to_cpu(pkt->u.frame.length) <
9d0be03a
ZY		 8393 ieee80211_get_hdrlen(le16_to_cpu(
8394 header->frame_ctl))) {
0edd5b44
JG		 8395 IPW_DEBUG_DROP
8396 ("Received packet is too small. "
8397 "Dropping.\n");
8398 priv->ieee->stats.rx_errors++;
8399 priv->wstats.discard.misc++;
8400 break;
8401 }
8402
a613bffd
JK		 8403 switch (WLAN_FC_GET_TYPE
8404 (le16_to_cpu(header->frame_ctl))) {
b095c381 8405
0edd5b44 8406 case IEEE80211_FTYPE_MGMT:
b095c381
JK		 8407 ipw_handle_mgmt_packet(priv, rxb,
8408 &stats);
0edd5b44
JG		 8409 break;
8410
8411 case IEEE80211_FTYPE_CTL:
8412 break;
8413
8414 case IEEE80211_FTYPE_DATA:
afbf30a2
JK		 8415 if (unlikely(!network_packet ||
8416 is_duplicate_packet(priv,
8417 header)))
8418 {
0edd5b44 8419 IPW_DEBUG_DROP("Dropping: "
e174961c
JB		 8420 "%pM, "
8421 "%pM, "
8422 "%pM\n",
8423 header->addr1,
8424 header->addr2,
8425 header->addr3);
b095c381
JK		 8426 break;
8427 }
8428
8429 ipw_handle_data_packet(priv, rxb,
8430 &stats);
8431
0edd5b44
JG		 8432 break;
8433 }
43f66a6c
JK		 8434 break;
8435 }
bf79451e 8436
0edd5b44
JG		 8437 case RX_HOST_NOTIFICATION_TYPE:{
8438 IPW_DEBUG_RX
8439 ("Notification: subtype=%02X flags=%02X size=%d\n",
43f66a6c
JK		 8440 pkt->u.notification.subtype,
8441 pkt->u.notification.flags,
720eeb43 8442 le16_to_cpu(pkt->u.notification.size));
0edd5b44
JG		 8443 ipw_rx_notification(priv, &pkt->u.notification);
8444 break;
8445 }
43f66a6c
JK		 8446
8447 default:
8448 IPW_DEBUG_RX("Bad Rx packet of type %d\n",
8449 pkt->header.message_type);
8450 break;
8451 }
bf79451e
JG		 8452
8453 /* For now we just don't re-use anything. We can tweak this
8454 * later to try and re-use notification packets and SKBs that
43f66a6c
JK		 8455 * fail to Rx correctly */
8456 if (rxb->skb != NULL) {
8457 dev_kfree_skb_any(rxb->skb);
8458 rxb->skb = NULL;
8459 }
bf79451e 8460
43f66a6c 8461 pci_unmap_single(priv->pci_dev, rxb->dma_addr,
b095c381 8462 IPW_RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
43f66a6c 8463 list_add_tail(&rxb->list, &priv->rxq->rx_used);
bf79451e 8464
43f66a6c 8465 i = (i + 1) % RX_QUEUE_SIZE;
943dbef4
DW		 8466
8467 /* If there are a lot of unsued frames, restock the Rx queue
8468 * so the ucode won't assert */
8469 if (fill_rx) {
8470 priv->rxq->read = i;
8471 ipw_rx_queue_replenish(priv);
8472 }
43f66a6c
JK		 8473 }
8474
8475 /* Backtrack one entry */
943dbef4 8476 priv->rxq->read = i;
43f66a6c
JK		 8477 ipw_rx_queue_restock(priv);
8478}
8479
afbf30a2
JK		 8480#define DEFAULT_RTS_THRESHOLD 2304U
8481#define MIN_RTS_THRESHOLD 1U
8482#define MAX_RTS_THRESHOLD 2304U
8483#define DEFAULT_BEACON_INTERVAL 100U
8484#define DEFAULT_SHORT_RETRY_LIMIT 7U
8485#define DEFAULT_LONG_RETRY_LIMIT 4U
8486
d6d5b5c1
ZY		 8487/**
8488 * ipw_sw_reset
8489 * @option: options to control different reset behaviour
8490 * 0 = reset everything except the 'disable' module_param
8491 * 1 = reset everything and print out driver info (for probe only)
8492 * 2 = reset everything
8493 */
8494static int ipw_sw_reset(struct ipw_priv *priv, int option)
43f66a6c 8495{
afbf30a2
JK		 8496 int band, modulation;
8497 int old_mode = priv->ieee->iw_mode;
43f66a6c 8498
afbf30a2
JK		 8499 /* Initialize module parameter values here */
8500 priv->config = 0;
43f66a6c 8501
afbf30a2
JK		 8502 /* We default to disabling the LED code as right now it causes
8503 * too many systems to lock up... */
8504 if (!led)
8505 priv->config |= CFG_NO_LED;
43f66a6c 8506
afbf30a2
JK		 8507 if (associate)
8508 priv->config |= CFG_ASSOCIATE;
8509 else
8510 IPW_DEBUG_INFO("Auto associate disabled.\n");
bf79451e 8511
afbf30a2
JK		 8512 if (auto_create)
8513 priv->config |= CFG_ADHOC_CREATE;
8514 else
8515 IPW_DEBUG_INFO("Auto adhoc creation disabled.\n");
43f66a6c 8516
17ed081d
ZY		 8517 priv->config &= ~CFG_STATIC_ESSID;
8518 priv->essid_len = 0;
8519 memset(priv->essid, 0, IW_ESSID_MAX_SIZE);
8520
d6d5b5c1 8521 if (disable && option) {
afbf30a2
JK		 8522 priv->status |= STATUS_RF_KILL_SW;
8523 IPW_DEBUG_INFO("Radio disabled.\n");
43f66a6c 8524 }
bf79451e 8525
afbf30a2
JK		 8526 if (channel != 0) {
8527 priv->config |= CFG_STATIC_CHANNEL;
8528 priv->channel = channel;
8529 IPW_DEBUG_INFO("Bind to static channel %d\n", channel);
8530 /* TODO: Validate that provided channel is in range */
43f66a6c 8531 }
e43e3c1e 8532#ifdef CONFIG_IPW2200_QOS
afbf30a2
JK		 8533 ipw_qos_init(priv, qos_enable, qos_burst_enable,
8534 burst_duration_CCK, burst_duration_OFDM);
e43e3c1e 8535#endif /* CONFIG_IPW2200_QOS */
43f66a6c 8536
afbf30a2
JK		 8537 switch (mode) {
8538 case 1:
8539 priv->ieee->iw_mode = IW_MODE_ADHOC;
8540 priv->net_dev->type = ARPHRD_ETHER;
8541
8542 break;
8543#ifdef CONFIG_IPW2200_MONITOR
8544 case 2:
8545 priv->ieee->iw_mode = IW_MODE_MONITOR;
459d4087 8546#ifdef CONFIG_IPW2200_RADIOTAP
24a47dbd
MK		 8547 priv->net_dev->type = ARPHRD_IEEE80211_RADIOTAP;
8548#else
afbf30a2 8549 priv->net_dev->type = ARPHRD_IEEE80211;
24a47dbd 8550#endif
afbf30a2
JK		 8551 break;
8552#endif
8553 default:
8554 case 0:
8555 priv->net_dev->type = ARPHRD_ETHER;
8556 priv->ieee->iw_mode = IW_MODE_INFRA;
8557 break;
43f66a6c
JK		 8558 }
8559
afbf30a2
JK		 8560 if (hwcrypto) {
8561 priv->ieee->host_encrypt = 0;
8562 priv->ieee->host_encrypt_msdu = 0;
8563 priv->ieee->host_decrypt = 0;
567deaf6 8564 priv->ieee->host_mc_decrypt = 0;
afbf30a2
JK		 8565 }
8566 IPW_DEBUG_INFO("Hardware crypto [%s]\n", hwcrypto ? "on" : "off");
43f66a6c 8567
e402c937
ZY		 8568 /* IPW2200/2915 is abled to do hardware fragmentation. */
8569 priv->ieee->host_open_frag = 0;
bf79451e 8570
afbf30a2
JK		 8571 if ((priv->pci_dev->device == 0x4223) ||
8572 (priv->pci_dev->device == 0x4224)) {
e8c69e27 8573 if (option == 1)
afbf30a2
JK		 8574 printk(KERN_INFO DRV_NAME
8575 ": Detected Intel PRO/Wireless 2915ABG Network "
8576 "Connection\n");
8577 priv->ieee->abg_true = 1;
8578 band = IEEE80211_52GHZ_BAND | IEEE80211_24GHZ_BAND;
8579 modulation = IEEE80211_OFDM_MODULATION |
8580 IEEE80211_CCK_MODULATION;
8581 priv->adapter = IPW_2915ABG;
8582 priv->ieee->mode = IEEE_A | IEEE_G | IEEE_B;
43f66a6c 8583 } else {
e8c69e27 8584 if (option == 1)
afbf30a2
JK		 8585 printk(KERN_INFO DRV_NAME
8586 ": Detected Intel PRO/Wireless 2200BG Network "
8587 "Connection\n");
bf79451e 8588
afbf30a2
JK		 8589 priv->ieee->abg_true = 0;
8590 band = IEEE80211_24GHZ_BAND;
8591 modulation = IEEE80211_OFDM_MODULATION |
8592 IEEE80211_CCK_MODULATION;
8593 priv->adapter = IPW_2200BG;
8594 priv->ieee->mode = IEEE_G | IEEE_B;
43f66a6c
JK		 8595 }
8596
afbf30a2
JK		 8597 priv->ieee->freq_band = band;
8598 priv->ieee->modulation = modulation;
43f66a6c 8599
afbf30a2 8600 priv->rates_mask = IEEE80211_DEFAULT_RATES_MASK;
bf79451e 8601
afbf30a2
JK		 8602 priv->disassociate_threshold = IPW_MB_DISASSOCIATE_THRESHOLD_DEFAULT;
8603 priv->roaming_threshold = IPW_MB_ROAMING_THRESHOLD_DEFAULT;
43f66a6c 8604
afbf30a2
JK		 8605 priv->rts_threshold = DEFAULT_RTS_THRESHOLD;
8606 priv->short_retry_limit = DEFAULT_SHORT_RETRY_LIMIT;
8607 priv->long_retry_limit = DEFAULT_LONG_RETRY_LIMIT;
43f66a6c 8608
afbf30a2
JK		 8609 /* If power management is turned on, default to AC mode */
8610 priv->power_mode = IPW_POWER_AC;
8611 priv->tx_power = IPW_TX_POWER_DEFAULT;
8612
0ece35b5 8613 return old_mode == priv->ieee->iw_mode;
43f66a6c
JK		 8614}
8615
8616/*
8617 * This file defines the Wireless Extension handlers. It does not
8618 * define any methods of hardware manipulation and relies on the
8619 * functions defined in ipw_main to provide the HW interaction.
bf79451e
JG		 8620 *
8621 * The exception to this is the use of the ipw_get_ordinal()
43f66a6c
JK		 8622 * function used to poll the hardware vs. making unecessary calls.
8623 *
8624 */
8625
bf79451e
JG		 8626static int ipw_wx_get_name(struct net_device *dev,
8627 struct iw_request_info *info,
43f66a6c
JK		 8628 union iwreq_data *wrqu, char *extra)
8629{
8630 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 8631 mutex_lock(&priv->mutex);
c848d0af 8632 if (priv->status & STATUS_RF_KILL_MASK)
a613bffd 8633 strcpy(wrqu->name, "radio off");
c848d0af 8634 else if (!(priv->status & STATUS_ASSOCIATED))
43f66a6c 8635 strcpy(wrqu->name, "unassociated");
bf79451e 8636 else
43f66a6c
JK		 8637 snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11%c",
8638 ipw_modes[priv->assoc_request.ieee_mode]);
8639 IPW_DEBUG_WX("Name: %s\n", wrqu->name);
4644151b 8640 mutex_unlock(&priv->mutex);
43f66a6c
JK		 8641 return 0;
8642}
8643
8644static int ipw_set_channel(struct ipw_priv *priv, u8 channel)
8645{
8646 if (channel == 0) {
8647 IPW_DEBUG_INFO("Setting channel to ANY (0)\n");
8648 priv->config &= ~CFG_STATIC_CHANNEL;
c848d0af
JK		 8649 IPW_DEBUG_ASSOC("Attempting to associate with new "
8650 "parameters.\n");
8651 ipw_associate(priv);
43f66a6c
JK		 8652 return 0;
8653 }
8654
8655 priv->config |= CFG_STATIC_CHANNEL;
8656
8657 if (priv->channel == channel) {
0edd5b44
JG		 8658 IPW_DEBUG_INFO("Request to set channel to current value (%d)\n",
8659 channel);
43f66a6c
JK		 8660 return 0;
8661 }
8662
8663 IPW_DEBUG_INFO("Setting channel to %i\n", (int)channel);
8664 priv->channel = channel;
8665
b095c381
JK		 8666#ifdef CONFIG_IPW2200_MONITOR
8667 if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
afbf30a2 8668 int i;
b095c381 8669 if (priv->status & STATUS_SCANNING) {
afbf30a2 8670 IPW_DEBUG_SCAN("Scan abort triggered due to "
b095c381 8671 "channel change.\n");
afbf30a2 8672 ipw_abort_scan(priv);
b095c381
JK		 8673 }
8674
8675 for (i = 1000; i && (priv->status & STATUS_SCANNING); i--)
8676 udelay(10);
8677
8678 if (priv->status & STATUS_SCANNING)
8679 IPW_DEBUG_SCAN("Still scanning...\n");
8680 else
8681 IPW_DEBUG_SCAN("Took %dms to abort current scan\n",
8682 1000 - i);
8683
8684 return 0;
43f66a6c 8685 }
b095c381
JK		 8686#endif /* CONFIG_IPW2200_MONITOR */
8687
c848d0af
JK		 8688 /* Network configuration changed -- force [re]association */
8689 IPW_DEBUG_ASSOC("[re]association triggered due to channel change.\n");
8690 if (!ipw_disassociate(priv))
43f66a6c 8691 ipw_associate(priv);
43f66a6c
JK		 8692
8693 return 0;
8694}
8695
bf79451e
JG		 8696static int ipw_wx_set_freq(struct net_device *dev,
8697 struct iw_request_info *info,
8698 union iwreq_data *wrqu, char *extra)
43f66a6c
JK		 8699{
8700 struct ipw_priv *priv = ieee80211_priv(dev);
1867b117 8701 const struct ieee80211_geo *geo = ieee80211_get_geo(priv->ieee);
43f66a6c 8702 struct iw_freq *fwrq = &wrqu->freq;
afbf30a2 8703 int ret = 0, i;
1fe0adb4
LH		 8704 u8 channel, flags;
8705 int band;
b095c381
JK		 8706
8707 if (fwrq->m == 0) {
8708 IPW_DEBUG_WX("SET Freq/Channel -> any\n");
4644151b 8709 mutex_lock(&priv->mutex);
b095c381 8710 ret = ipw_set_channel(priv, 0);
4644151b 8711 mutex_unlock(&priv->mutex);
b095c381
JK		 8712 return ret;
8713 }
43f66a6c
JK		 8714 /* if setting by freq convert to channel */
8715 if (fwrq->e == 1) {
1867b117 8716 channel = ieee80211_freq_to_channel(priv->ieee, fwrq->m);
b095c381
JK		 8717 if (channel == 0)
8718 return -EINVAL;
8719 } else
8720 channel = fwrq->m;
bf79451e 8721
1867b117 8722 if (!(band = ieee80211_is_valid_channel(priv->ieee, channel)))
b095c381 8723 return -EINVAL;
43f66a6c 8724
1fe0adb4 8725 if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
1867b117 8726 i = ieee80211_channel_to_index(priv->ieee, channel);
afbf30a2
JK		 8727 if (i == -1)
8728 return -EINVAL;
bf79451e 8729
1fe0adb4
LH		 8730 flags = (band == IEEE80211_24GHZ_BAND) ?
8731 geo->bg[i].flags : geo->a[i].flags;
8732 if (flags & IEEE80211_CH_PASSIVE_ONLY) {
afbf30a2
JK		 8733 IPW_DEBUG_WX("Invalid Ad-Hoc channel for 802.11a\n");
8734 return -EINVAL;
43f66a6c
JK		 8735 }
8736 }
bf79451e 8737
43f66a6c 8738 IPW_DEBUG_WX("SET Freq/Channel -> %d \n", fwrq->m);
4644151b 8739 mutex_lock(&priv->mutex);
b095c381 8740 ret = ipw_set_channel(priv, channel);
4644151b 8741 mutex_unlock(&priv->mutex);
c848d0af 8742 return ret;
43f66a6c
JK		 8743}
8744
bf79451e
JG		 8745static int ipw_wx_get_freq(struct net_device *dev,
8746 struct iw_request_info *info,
43f66a6c
JK		 8747 union iwreq_data *wrqu, char *extra)
8748{
8749 struct ipw_priv *priv = ieee80211_priv(dev);
8750
8751 wrqu->freq.e = 0;
8752
8753 /* If we are associated, trying to associate, or have a statically
8754 * configured CHANNEL then return that; otherwise return ANY */
4644151b 8755 mutex_lock(&priv->mutex);
43f66a6c 8756 if (priv->config & CFG_STATIC_CHANNEL ||
c580f67f
ZY		 8757 priv->status & (STATUS_ASSOCIATING | STATUS_ASSOCIATED)) {
8758 int i;
8759
8760 i = ieee80211_channel_to_index(priv->ieee, priv->channel);
8761 BUG_ON(i == -1);
8762 wrqu->freq.e = 1;
8763
8764 switch (ieee80211_is_valid_channel(priv->ieee, priv->channel)) {
8765 case IEEE80211_52GHZ_BAND:
8766 wrqu->freq.m = priv->ieee->geo.a[i].freq * 100000;
8767 break;
8768
8769 case IEEE80211_24GHZ_BAND:
8770 wrqu->freq.m = priv->ieee->geo.bg[i].freq * 100000;
8771 break;
8772
8773 default:
8774 BUG();
8775 }
8776 } else
43f66a6c
JK		 8777 wrqu->freq.m = 0;
8778
4644151b 8779 mutex_unlock(&priv->mutex);
43f66a6c
JK		 8780 IPW_DEBUG_WX("GET Freq/Channel -> %d \n", priv->channel);
8781 return 0;
8782}
8783
bf79451e
JG		 8784static int ipw_wx_set_mode(struct net_device *dev,
8785 struct iw_request_info *info,
43f66a6c
JK		 8786 union iwreq_data *wrqu, char *extra)
8787{
8788 struct ipw_priv *priv = ieee80211_priv(dev);
8789 int err = 0;
8790
8791 IPW_DEBUG_WX("Set MODE: %d\n", wrqu->mode);
8792
43f66a6c 8793 switch (wrqu->mode) {
b095c381 8794#ifdef CONFIG_IPW2200_MONITOR
43f66a6c
JK		 8795 case IW_MODE_MONITOR:
8796#endif
8797 case IW_MODE_ADHOC:
8798 case IW_MODE_INFRA:
8799 break;
8800 case IW_MODE_AUTO:
8801 wrqu->mode = IW_MODE_INFRA;
8802 break;
8803 default:
8804 return -EINVAL;
8805 }
b095c381
JK		 8806 if (wrqu->mode == priv->ieee->iw_mode)
8807 return 0;
43f66a6c 8808
4644151b 8809 mutex_lock(&priv->mutex);
43f66a6c 8810
afbf30a2
JK		 8811 ipw_sw_reset(priv, 0);
8812
b095c381 8813#ifdef CONFIG_IPW2200_MONITOR
bf79451e 8814 if (priv->ieee->iw_mode == IW_MODE_MONITOR)
43f66a6c 8815 priv->net_dev->type = ARPHRD_ETHER;
bf79451e
JG		 8816
8817 if (wrqu->mode == IW_MODE_MONITOR)
459d4087 8818#ifdef CONFIG_IPW2200_RADIOTAP
24a47dbd
MK		 8819 priv->net_dev->type = ARPHRD_IEEE80211_RADIOTAP;
8820#else
43f66a6c 8821 priv->net_dev->type = ARPHRD_IEEE80211;
24a47dbd 8822#endif
b095c381 8823#endif /* CONFIG_IPW2200_MONITOR */
bf79451e 8824
bf79451e 8825 /* Free the existing firmware and reset the fw_loaded
43f66a6c 8826 * flag so ipw_load() will bring in the new firmawre */
afbf30a2 8827 free_firmware();
43f66a6c
JK		 8828
8829 priv->ieee->iw_mode = wrqu->mode;
bf79451e 8830
c848d0af 8831 queue_work(priv->workqueue, &priv->adapter_restart);
4644151b 8832 mutex_unlock(&priv->mutex);
0edd5b44 8833 return err;
43f66a6c
JK		 8834}
8835
bf79451e 8836static int ipw_wx_get_mode(struct net_device *dev,
0edd5b44
JG		 8837 struct iw_request_info *info,
8838 union iwreq_data *wrqu, char *extra)
43f66a6c
JK		 8839{
8840 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 8841 mutex_lock(&priv->mutex);
43f66a6c
JK		 8842 wrqu->mode = priv->ieee->iw_mode;
8843 IPW_DEBUG_WX("Get MODE -> %d\n", wrqu->mode);
4644151b 8844 mutex_unlock(&priv->mutex);
43f66a6c
JK		 8845 return 0;
8846}
8847
43f66a6c
JK		 8848/* Values are in microsecond */
8849static const s32 timeout_duration[] = {
8850 350000,
8851 250000,
8852 75000,
8853 37000,
8854 25000,
8855};
8856
8857static const s32 period_duration[] = {
8858 400000,
8859 700000,
8860 1000000,
8861 1000000,
8862 1000000
8863};
8864
bf79451e
JG		 8865static int ipw_wx_get_range(struct net_device *dev,
8866 struct iw_request_info *info,
43f66a6c
JK		 8867 union iwreq_data *wrqu, char *extra)
8868{
8869 struct ipw_priv *priv = ieee80211_priv(dev);
8870 struct iw_range *range = (struct iw_range *)extra;
1867b117 8871 const struct ieee80211_geo *geo = ieee80211_get_geo(priv->ieee);
b095c381 8872 int i = 0, j;
43f66a6c
JK		 8873
8874 wrqu->data.length = sizeof(*range);
8875 memset(range, 0, sizeof(*range));
8876
8877 /* 54Mbs == ~27 Mb/s real (802.11g) */
bf79451e 8878 range->throughput = 27 * 1000 * 1000;
43f66a6c
JK		 8879
8880 range->max_qual.qual = 100;
8881 /* TODO: Find real max RSSI and stick here */
8882 range->max_qual.level = 0;
b191608a 8883 range->max_qual.noise = 0;
0edd5b44 8884 range->max_qual.updated = 7; /* Updated all three */
43f66a6c
JK		 8885
8886 range->avg_qual.qual = 70;
8887 /* TODO: Find real 'good' to 'bad' threshol value for RSSI */
0edd5b44 8888 range->avg_qual.level = 0; /* FIXME to real average level */
43f66a6c 8889 range->avg_qual.noise = 0;
0edd5b44 8890 range->avg_qual.updated = 7; /* Updated all three */
4644151b 8891 mutex_lock(&priv->mutex);
0edd5b44 8892 range->num_bitrates = min(priv->rates.num_rates, (u8) IW_MAX_BITRATES);
43f66a6c 8893
bf79451e
JG		 8894 for (i = 0; i < range->num_bitrates; i++)
8895 range->bitrate[i] = (priv->rates.supported_rates[i] & 0x7F) *
0edd5b44 8896 500000;
bf79451e 8897
43f66a6c
JK		 8898 range->max_rts = DEFAULT_RTS_THRESHOLD;
8899 range->min_frag = MIN_FRAG_THRESHOLD;
8900 range->max_frag = MAX_FRAG_THRESHOLD;
8901
8902 range->encoding_size[0] = 5;
bf79451e 8903 range->encoding_size[1] = 13;
43f66a6c
JK		 8904 range->num_encoding_sizes = 2;
8905 range->max_encoding_tokens = WEP_KEYS;
8906
8907 /* Set the Wireless Extension versions */
8908 range->we_version_compiled = WIRELESS_EXT;
f1b50863 8909 range->we_version_source = 18;
43f66a6c 8910
b095c381
JK		 8911 i = 0;
8912 if (priv->ieee->mode & (IEEE_B | IEEE_G)) {
e815de42
ZY		 8913 for (j = 0; j < geo->bg_channels && i < IW_MAX_FREQUENCIES; j++) {
8914 if ((priv->ieee->iw_mode == IW_MODE_ADHOC) &&
8915 (geo->bg[j].flags & IEEE80211_CH_PASSIVE_ONLY))
8916 continue;
8917
b095c381
JK		 8918 range->freq[i].i = geo->bg[j].channel;
8919 range->freq[i].m = geo->bg[j].freq * 100000;
8920 range->freq[i].e = 1;
e815de42 8921 i++;
b095c381
JK		 8922 }
8923 }
43f66a6c 8924
b095c381 8925 if (priv->ieee->mode & IEEE_A) {
e815de42
ZY		 8926 for (j = 0; j < geo->a_channels && i < IW_MAX_FREQUENCIES; j++) {
8927 if ((priv->ieee->iw_mode == IW_MODE_ADHOC) &&
8928 (geo->a[j].flags & IEEE80211_CH_PASSIVE_ONLY))
8929 continue;
8930
b095c381
JK		 8931 range->freq[i].i = geo->a[j].channel;
8932 range->freq[i].m = geo->a[j].freq * 100000;
8933 range->freq[i].e = 1;
e815de42 8934 i++;
b095c381 8935 }
43f66a6c 8936 }
b095c381
JK		 8937
8938 range->num_channels = i;
8939 range->num_frequency = i;
8940
4644151b 8941 mutex_unlock(&priv->mutex);
97a78ca9
BB		 8942
8943 /* Event capability (kernel + driver) */
8944 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
8945 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
07f02e46
ZY		 8946 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
8947 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
97a78ca9 8948 range->event_capa[1] = IW_EVENT_CAPA_K_1;
43f66a6c 8949
f1b50863
DW		 8950 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
8951 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
8952
374fdfbc
DW		 8953 range->scan_capa = IW_SCAN_CAPA_ESSID | IW_SCAN_CAPA_TYPE;
8954
43f66a6c
JK		 8955 IPW_DEBUG_WX("GET Range\n");
8956 return 0;
8957}
8958
bf79451e
JG		 8959static int ipw_wx_set_wap(struct net_device *dev,
8960 struct iw_request_info *info,
43f66a6c
JK		 8961 union iwreq_data *wrqu, char *extra)
8962{
8963 struct ipw_priv *priv = ieee80211_priv(dev);
8964
8965 static const unsigned char any[] = {
8966 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
8967 };
8968 static const unsigned char off[] = {
8969 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
8970 };
8971
bf79451e 8972 if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
43f66a6c 8973 return -EINVAL;
4644151b 8974 mutex_lock(&priv->mutex);
43f66a6c
JK		 8975 if (!memcmp(any, wrqu->ap_addr.sa_data, ETH_ALEN) ||
8976 !memcmp(off, wrqu->ap_addr.sa_data, ETH_ALEN)) {
8977 /* we disable mandatory BSSID association */
8978 IPW_DEBUG_WX("Setting AP BSSID to ANY\n");
8979 priv->config &= ~CFG_STATIC_BSSID;
c848d0af
JK		 8980 IPW_DEBUG_ASSOC("Attempting to associate with new "
8981 "parameters.\n");
8982 ipw_associate(priv);
4644151b 8983 mutex_unlock(&priv->mutex);
43f66a6c
JK		 8984 return 0;
8985 }
8986
8987 priv->config |= CFG_STATIC_BSSID;
8988 if (!memcmp(priv->bssid, wrqu->ap_addr.sa_data, ETH_ALEN)) {
8989 IPW_DEBUG_WX("BSSID set to current BSSID.\n");
4644151b 8990 mutex_unlock(&priv->mutex);
43f66a6c
JK		 8991 return 0;
8992 }
8993
e174961c
JB		 8994 IPW_DEBUG_WX("Setting mandatory BSSID to %pM\n",
8995 wrqu->ap_addr.sa_data);
43f66a6c
JK		 8996
8997 memcpy(priv->bssid, wrqu->ap_addr.sa_data, ETH_ALEN);
8998
c848d0af
JK		 8999 /* Network configuration changed -- force [re]association */
9000 IPW_DEBUG_ASSOC("[re]association triggered due to BSSID change.\n");
9001 if (!ipw_disassociate(priv))
43f66a6c 9002 ipw_associate(priv);
43f66a6c 9003
4644151b 9004 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9005 return 0;
9006}
9007
bf79451e
JG		 9008static int ipw_wx_get_wap(struct net_device *dev,
9009 struct iw_request_info *info,
43f66a6c
JK		 9010 union iwreq_data *wrqu, char *extra)
9011{
9012 struct ipw_priv *priv = ieee80211_priv(dev);
0795af57 9013
43f66a6c
JK		 9014 /* If we are associated, trying to associate, or have a statically
9015 * configured BSSID then return that; otherwise return ANY */
4644151b 9016 mutex_lock(&priv->mutex);
bf79451e 9017 if (priv->config & CFG_STATIC_BSSID ||
43f66a6c
JK		 9018 priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
9019 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
afbf30a2 9020 memcpy(wrqu->ap_addr.sa_data, priv->bssid, ETH_ALEN);
43f66a6c
JK		 9021 } else
9022 memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN);
9023
e174961c
JB		 9024 IPW_DEBUG_WX("Getting WAP BSSID: %pM\n",
9025 wrqu->ap_addr.sa_data);
4644151b 9026 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9027 return 0;
9028}
9029
bf79451e
JG		 9030static int ipw_wx_set_essid(struct net_device *dev,
9031 struct iw_request_info *info,
43f66a6c
JK		 9032 union iwreq_data *wrqu, char *extra)
9033{
9034 struct ipw_priv *priv = ieee80211_priv(dev);
ab644b0b
ZY		 9035 int length;
9036
9037 mutex_lock(&priv->mutex);
43f66a6c 9038
ab644b0b
ZY		 9039 if (!wrqu->essid.flags)
9040 {
9041 IPW_DEBUG_WX("Setting ESSID to ANY\n");
9042 ipw_disassociate(priv);
9043 priv->config &= ~CFG_STATIC_ESSID;
9044 ipw_associate(priv);
9045 mutex_unlock(&priv->mutex);
9046 return 0;
9047 }
43f66a6c 9048
a9f0d423 9049 length = min((int)wrqu->essid.length, IW_ESSID_MAX_SIZE);
43f66a6c
JK		 9050
9051 priv->config |= CFG_STATIC_ESSID;
9052
a9f0d423
ZY		 9053 if (priv->essid_len == length && !memcmp(priv->essid, extra, length)
9054 && (priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING))) {
43f66a6c 9055 IPW_DEBUG_WX("ESSID set to current ESSID.\n");
4644151b 9056 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9057 return 0;
9058 }
9059
7e272fcf 9060 IPW_DEBUG_WX("Setting ESSID: '%s' (%d)\n", escape_ssid(extra, length),
43f66a6c
JK		 9061 length);
9062
9063 priv->essid_len = length;
a9f0d423 9064 memcpy(priv->essid, extra, priv->essid_len);
bf79451e 9065
c848d0af
JK		 9066 /* Network configuration changed -- force [re]association */
9067 IPW_DEBUG_ASSOC("[re]association triggered due to ESSID change.\n");
9068 if (!ipw_disassociate(priv))
43f66a6c 9069 ipw_associate(priv);
43f66a6c 9070
4644151b 9071 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9072 return 0;
9073}
9074
bf79451e
JG		 9075static int ipw_wx_get_essid(struct net_device *dev,
9076 struct iw_request_info *info,
43f66a6c
JK		 9077 union iwreq_data *wrqu, char *extra)
9078{
9079 struct ipw_priv *priv = ieee80211_priv(dev);
9080
9081 /* If we are associated, trying to associate, or have a statically
9082 * configured ESSID then return that; otherwise return ANY */
4644151b 9083 mutex_lock(&priv->mutex);
43f66a6c 9084 if (priv->config & CFG_STATIC_ESSID ||
bf79451e
JG		 9085 priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
9086 IPW_DEBUG_WX("Getting essid: '%s'\n",
7e272fcf 9087 escape_ssid(priv->essid, priv->essid_len));
bf79451e 9088 memcpy(extra, priv->essid, priv->essid_len);
43f66a6c 9089 wrqu->essid.length = priv->essid_len;
0edd5b44 9090 wrqu->essid.flags = 1; /* active */
43f66a6c
JK		 9091 } else {
9092 IPW_DEBUG_WX("Getting essid: ANY\n");
9093 wrqu->essid.length = 0;
0edd5b44 9094 wrqu->essid.flags = 0; /* active */
43f66a6c 9095 }
4644151b 9096 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9097 return 0;
9098}
9099
bf79451e
JG		 9100static int ipw_wx_set_nick(struct net_device *dev,
9101 struct iw_request_info *info,
43f66a6c 9102 union iwreq_data *wrqu, char *extra)
bf79451e 9103{
43f66a6c
JK		 9104 struct ipw_priv *priv = ieee80211_priv(dev);
9105
9106 IPW_DEBUG_WX("Setting nick to '%s'\n", extra);
9107 if (wrqu->data.length > IW_ESSID_MAX_SIZE)
9108 return -E2BIG;
4644151b 9109 mutex_lock(&priv->mutex);
0edd5b44 9110 wrqu->data.length = min((size_t) wrqu->data.length, sizeof(priv->nick));
43f66a6c 9111 memset(priv->nick, 0, sizeof(priv->nick));
0edd5b44 9112 memcpy(priv->nick, extra, wrqu->data.length);
43f66a6c 9113 IPW_DEBUG_TRACE("<<\n");
4644151b 9114 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9115 return 0;
9116
9117}
9118
bf79451e
JG		 9119static int ipw_wx_get_nick(struct net_device *dev,
9120 struct iw_request_info *info,
43f66a6c 9121 union iwreq_data *wrqu, char *extra)
bf79451e 9122{
43f66a6c
JK		 9123 struct ipw_priv *priv = ieee80211_priv(dev);
9124 IPW_DEBUG_WX("Getting nick\n");
4644151b 9125 mutex_lock(&priv->mutex);
919ee6dd 9126 wrqu->data.length = strlen(priv->nick);
43f66a6c 9127 memcpy(extra, priv->nick, wrqu->data.length);
0edd5b44 9128 wrqu->data.flags = 1; /* active */
4644151b 9129 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9130 return 0;
9131}
9132
651be26f
OH		 9133static int ipw_wx_set_sens(struct net_device *dev,
9134 struct iw_request_info *info,
9135 union iwreq_data *wrqu, char *extra)
9136{
9137 struct ipw_priv *priv = ieee80211_priv(dev);
9138 int err = 0;
9139
9140 IPW_DEBUG_WX("Setting roaming threshold to %d\n", wrqu->sens.value);
9141 IPW_DEBUG_WX("Setting disassociate threshold to %d\n", 3*wrqu->sens.value);
9142 mutex_lock(&priv->mutex);
9143
9144 if (wrqu->sens.fixed == 0)
9145 {
9146 priv->roaming_threshold = IPW_MB_ROAMING_THRESHOLD_DEFAULT;
9147 priv->disassociate_threshold = IPW_MB_DISASSOCIATE_THRESHOLD_DEFAULT;
9148 goto out;
9149 }
9150 if ((wrqu->sens.value > IPW_MB_ROAMING_THRESHOLD_MAX) ||
9151 (wrqu->sens.value < IPW_MB_ROAMING_THRESHOLD_MIN)) {
9152 err = -EINVAL;
9153 goto out;
9154 }
9155
9156 priv->roaming_threshold = wrqu->sens.value;
9157 priv->disassociate_threshold = 3*wrqu->sens.value;
9158 out:
9159 mutex_unlock(&priv->mutex);
9160 return err;
9161}
9162
9163static int ipw_wx_get_sens(struct net_device *dev,
9164 struct iw_request_info *info,
9165 union iwreq_data *wrqu, char *extra)
9166{
9167 struct ipw_priv *priv = ieee80211_priv(dev);
9168 mutex_lock(&priv->mutex);
9169 wrqu->sens.fixed = 1;
9170 wrqu->sens.value = priv->roaming_threshold;
9171 mutex_unlock(&priv->mutex);
9172
9173 IPW_DEBUG_WX("GET roaming threshold -> %s %d \n",
9174 wrqu->power.disabled ? "OFF" : "ON", wrqu->power.value);
9175
9176 return 0;
9177}
9178
43f66a6c
JK		 9179static int ipw_wx_set_rate(struct net_device *dev,
9180 struct iw_request_info *info,
9181 union iwreq_data *wrqu, char *extra)
bf79451e 9182{
ea2b26e0
JK		 9183 /* TODO: We should use semaphores or locks for access to priv */
9184 struct ipw_priv *priv = ieee80211_priv(dev);
9185 u32 target_rate = wrqu->bitrate.value;
9186 u32 fixed, mask;
9187
9188 /* value = -1, fixed = 0 means auto only, so we should use all rates offered by AP */
9189 /* value = X, fixed = 1 means only rate X */
9190 /* value = X, fixed = 0 means all rates lower equal X */
9191
9192 if (target_rate == -1) {
9193 fixed = 0;
9194 mask = IEEE80211_DEFAULT_RATES_MASK;
9195 /* Now we should reassociate */
9196 goto apply;
9197 }
9198
9199 mask = 0;
9200 fixed = wrqu->bitrate.fixed;
9201
9202 if (target_rate == 1000000 || !fixed)
9203 mask |= IEEE80211_CCK_RATE_1MB_MASK;
9204 if (target_rate == 1000000)
9205 goto apply;
9206
9207 if (target_rate == 2000000 || !fixed)
9208 mask |= IEEE80211_CCK_RATE_2MB_MASK;
9209 if (target_rate == 2000000)
9210 goto apply;
9211
9212 if (target_rate == 5500000 || !fixed)
9213 mask |= IEEE80211_CCK_RATE_5MB_MASK;
9214 if (target_rate == 5500000)
9215 goto apply;
9216
9217 if (target_rate == 6000000 || !fixed)
9218 mask |= IEEE80211_OFDM_RATE_6MB_MASK;
9219 if (target_rate == 6000000)
9220 goto apply;
9221
9222 if (target_rate == 9000000 || !fixed)
9223 mask |= IEEE80211_OFDM_RATE_9MB_MASK;
9224 if (target_rate == 9000000)
9225 goto apply;
9226
9227 if (target_rate == 11000000 || !fixed)
9228 mask |= IEEE80211_CCK_RATE_11MB_MASK;
9229 if (target_rate == 11000000)
9230 goto apply;
9231
9232 if (target_rate == 12000000 || !fixed)
9233 mask |= IEEE80211_OFDM_RATE_12MB_MASK;
9234 if (target_rate == 12000000)
9235 goto apply;
9236
9237 if (target_rate == 18000000 || !fixed)
9238 mask |= IEEE80211_OFDM_RATE_18MB_MASK;
9239 if (target_rate == 18000000)
9240 goto apply;
9241
9242 if (target_rate == 24000000 || !fixed)
9243 mask |= IEEE80211_OFDM_RATE_24MB_MASK;
9244 if (target_rate == 24000000)
9245 goto apply;
9246
9247 if (target_rate == 36000000 || !fixed)
9248 mask |= IEEE80211_OFDM_RATE_36MB_MASK;
9249 if (target_rate == 36000000)
9250 goto apply;
9251
9252 if (target_rate == 48000000 || !fixed)
9253 mask |= IEEE80211_OFDM_RATE_48MB_MASK;
9254 if (target_rate == 48000000)
9255 goto apply;
9256
9257 if (target_rate == 54000000 || !fixed)
9258 mask |= IEEE80211_OFDM_RATE_54MB_MASK;
9259 if (target_rate == 54000000)
9260 goto apply;
9261
9262 IPW_DEBUG_WX("invalid rate specified, returning error\n");
9263 return -EINVAL;
9264
9265 apply:
9266 IPW_DEBUG_WX("Setting rate mask to 0x%08X [%s]\n",
9267 mask, fixed ? "fixed" : "sub-rates");
4644151b 9268 mutex_lock(&priv->mutex);
b095c381 9269 if (mask == IEEE80211_DEFAULT_RATES_MASK) {
ea2b26e0 9270 priv->config &= ~CFG_FIXED_RATE;
b095c381
JK		 9271 ipw_set_fixed_rate(priv, priv->ieee->mode);
9272 } else
ea2b26e0
JK		 9273 priv->config |= CFG_FIXED_RATE;
9274
c848d0af
JK		 9275 if (priv->rates_mask == mask) {
9276 IPW_DEBUG_WX("Mask set to current mask.\n");
4644151b 9277 mutex_unlock(&priv->mutex);
c848d0af 9278 return 0;
ea2b26e0
JK		 9279 }
9280
c848d0af
JK		 9281 priv->rates_mask = mask;
9282
9283 /* Network configuration changed -- force [re]association */
9284 IPW_DEBUG_ASSOC("[re]association triggered due to rates change.\n");
9285 if (!ipw_disassociate(priv))
9286 ipw_associate(priv);
9287
4644151b 9288 mutex_unlock(&priv->mutex);
ea2b26e0 9289 return 0;
43f66a6c
JK		 9290}
9291
bf79451e
JG		 9292static int ipw_wx_get_rate(struct net_device *dev,
9293 struct iw_request_info *info,
43f66a6c 9294 union iwreq_data *wrqu, char *extra)
bf79451e 9295{
0edd5b44 9296 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 9297 mutex_lock(&priv->mutex);
43f66a6c 9298 wrqu->bitrate.value = priv->last_rate;
455936c7 9299 wrqu->bitrate.fixed = (priv->config & CFG_FIXED_RATE) ? 1 : 0;
4644151b 9300 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9301 IPW_DEBUG_WX("GET Rate -> %d \n", wrqu->bitrate.value);
9302 return 0;
9303}
9304
bf79451e
JG		 9305static int ipw_wx_set_rts(struct net_device *dev,
9306 struct iw_request_info *info,
43f66a6c 9307 union iwreq_data *wrqu, char *extra)
bf79451e 9308{
43f66a6c 9309 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 9310 mutex_lock(&priv->mutex);
ea8862dc 9311 if (wrqu->rts.disabled || !wrqu->rts.fixed)
43f66a6c
JK		 9312 priv->rts_threshold = DEFAULT_RTS_THRESHOLD;
9313 else {
9314 if (wrqu->rts.value < MIN_RTS_THRESHOLD ||
c848d0af 9315 wrqu->rts.value > MAX_RTS_THRESHOLD) {
4644151b 9316 mutex_unlock(&priv->mutex);
43f66a6c 9317 return -EINVAL;
c848d0af 9318 }
43f66a6c
JK		 9319 priv->rts_threshold = wrqu->rts.value;
9320 }
9321
9322 ipw_send_rts_threshold(priv, priv->rts_threshold);
4644151b 9323 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9324 IPW_DEBUG_WX("SET RTS Threshold -> %d \n", priv->rts_threshold);
9325 return 0;
9326}
9327
bf79451e
JG		 9328static int ipw_wx_get_rts(struct net_device *dev,
9329 struct iw_request_info *info,
43f66a6c 9330 union iwreq_data *wrqu, char *extra)
bf79451e 9331{
43f66a6c 9332 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 9333 mutex_lock(&priv->mutex);
43f66a6c
JK		 9334 wrqu->rts.value = priv->rts_threshold;
9335 wrqu->rts.fixed = 0; /* no auto select */
0edd5b44 9336 wrqu->rts.disabled = (wrqu->rts.value == DEFAULT_RTS_THRESHOLD);
4644151b 9337 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9338 IPW_DEBUG_WX("GET RTS Threshold -> %d \n", wrqu->rts.value);
9339 return 0;
9340}
9341
bf79451e
JG		 9342static int ipw_wx_set_txpow(struct net_device *dev,
9343 struct iw_request_info *info,
43f66a6c 9344 union iwreq_data *wrqu, char *extra)
bf79451e 9345{
43f66a6c 9346 struct ipw_priv *priv = ieee80211_priv(dev);
6de9f7f2 9347 int err = 0;
43f66a6c 9348
4644151b 9349 mutex_lock(&priv->mutex);
c848d0af 9350 if (ipw_radio_kill_sw(priv, wrqu->power.disabled)) {
6de9f7f2
ZY		 9351 err = -EINPROGRESS;
9352 goto out;
43f66a6c 9353 }
43f66a6c 9354
b095c381
JK		 9355 if (!wrqu->power.fixed)
9356 wrqu->power.value = IPW_TX_POWER_DEFAULT;
9357
c848d0af 9358 if (wrqu->power.flags != IW_TXPOW_DBM) {
6de9f7f2
ZY		 9359 err = -EINVAL;
9360 goto out;
c848d0af 9361 }
43f66a6c 9362
b095c381 9363 if ((wrqu->power.value > IPW_TX_POWER_MAX) ||
afbf30a2 9364 (wrqu->power.value < IPW_TX_POWER_MIN)) {
6de9f7f2
ZY		 9365 err = -EINVAL;
9366 goto out;
c848d0af 9367 }
43f66a6c 9368
43f66a6c 9369 priv->tx_power = wrqu->power.value;
6de9f7f2
ZY		 9370 err = ipw_set_tx_power(priv);
9371 out:
4644151b 9372 mutex_unlock(&priv->mutex);
6de9f7f2 9373 return err;
43f66a6c
JK		 9374}
9375
bf79451e
JG		 9376static int ipw_wx_get_txpow(struct net_device *dev,
9377 struct iw_request_info *info,
43f66a6c 9378 union iwreq_data *wrqu, char *extra)
bf79451e 9379{
43f66a6c 9380 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 9381 mutex_lock(&priv->mutex);
43f66a6c
JK		 9382 wrqu->power.value = priv->tx_power;
9383 wrqu->power.fixed = 1;
9384 wrqu->power.flags = IW_TXPOW_DBM;
9385 wrqu->power.disabled = (priv->status & STATUS_RF_KILL_MASK) ? 1 : 0;
4644151b 9386 mutex_unlock(&priv->mutex);
43f66a6c 9387
bf79451e 9388 IPW_DEBUG_WX("GET TX Power -> %s %d \n",
22501c8e 9389 wrqu->power.disabled ? "OFF" : "ON", wrqu->power.value);
43f66a6c
JK		 9390
9391 return 0;
9392}
9393
bf79451e 9394static int ipw_wx_set_frag(struct net_device *dev,
0edd5b44
JG		 9395 struct iw_request_info *info,
9396 union iwreq_data *wrqu, char *extra)
43f66a6c
JK		 9397{
9398 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 9399 mutex_lock(&priv->mutex);
ea8862dc 9400 if (wrqu->frag.disabled || !wrqu->frag.fixed)
43f66a6c
JK		 9401 priv->ieee->fts = DEFAULT_FTS;
9402 else {
9403 if (wrqu->frag.value < MIN_FRAG_THRESHOLD ||
b095c381 9404 wrqu->frag.value > MAX_FRAG_THRESHOLD) {
4644151b 9405 mutex_unlock(&priv->mutex);
43f66a6c 9406 return -EINVAL;
b095c381 9407 }
bf79451e 9408
43f66a6c
JK		 9409 priv->ieee->fts = wrqu->frag.value & ~0x1;
9410 }
9411
9412 ipw_send_frag_threshold(priv, wrqu->frag.value);
4644151b 9413 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9414 IPW_DEBUG_WX("SET Frag Threshold -> %d \n", wrqu->frag.value);
9415 return 0;
9416}
9417
bf79451e 9418static int ipw_wx_get_frag(struct net_device *dev,
0edd5b44
JG		 9419 struct iw_request_info *info,
9420 union iwreq_data *wrqu, char *extra)
43f66a6c
JK		 9421{
9422 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 9423 mutex_lock(&priv->mutex);
43f66a6c
JK		 9424 wrqu->frag.value = priv->ieee->fts;
9425 wrqu->frag.fixed = 0; /* no auto select */
0edd5b44 9426 wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FTS);
4644151b 9427 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9428 IPW_DEBUG_WX("GET Frag Threshold -> %d \n", wrqu->frag.value);
9429
9430 return 0;
9431}
9432
bf79451e
JG		 9433static int ipw_wx_set_retry(struct net_device *dev,
9434 struct iw_request_info *info,
43f66a6c 9435 union iwreq_data *wrqu, char *extra)
bf79451e 9436{
afbf30a2
JK		 9437 struct ipw_priv *priv = ieee80211_priv(dev);
9438
9439 if (wrqu->retry.flags & IW_RETRY_LIFETIME || wrqu->retry.disabled)
9440 return -EINVAL;
9441
9442 if (!(wrqu->retry.flags & IW_RETRY_LIMIT))
9443 return 0;
9444
d5f7ac20 9445 if (wrqu->retry.value < 0 || wrqu->retry.value >= 255)
afbf30a2
JK		 9446 return -EINVAL;
9447
4644151b 9448 mutex_lock(&priv->mutex);
919ee6dd 9449 if (wrqu->retry.flags & IW_RETRY_SHORT)
afbf30a2 9450 priv->short_retry_limit = (u8) wrqu->retry.value;
919ee6dd 9451 else if (wrqu->retry.flags & IW_RETRY_LONG)
afbf30a2
JK		 9452 priv->long_retry_limit = (u8) wrqu->retry.value;
9453 else {
9454 priv->short_retry_limit = (u8) wrqu->retry.value;
9455 priv->long_retry_limit = (u8) wrqu->retry.value;
9456 }
9457
9458 ipw_send_retry_limit(priv, priv->short_retry_limit,
9459 priv->long_retry_limit);
4644151b 9460 mutex_unlock(&priv->mutex);
afbf30a2
JK		 9461 IPW_DEBUG_WX("SET retry limit -> short:%d long:%d\n",
9462 priv->short_retry_limit, priv->long_retry_limit);
9463 return 0;
43f66a6c
JK		 9464}
9465
bf79451e
JG		 9466static int ipw_wx_get_retry(struct net_device *dev,
9467 struct iw_request_info *info,
43f66a6c 9468 union iwreq_data *wrqu, char *extra)
bf79451e 9469{
afbf30a2
JK		 9470 struct ipw_priv *priv = ieee80211_priv(dev);
9471
4644151b 9472 mutex_lock(&priv->mutex);
afbf30a2
JK		 9473 wrqu->retry.disabled = 0;
9474
9475 if ((wrqu->retry.flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
4644151b 9476 mutex_unlock(&priv->mutex);
afbf30a2
JK		 9477 return -EINVAL;
9478 }
9479
919ee6dd
JT		 9480 if (wrqu->retry.flags & IW_RETRY_LONG) {
9481 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
afbf30a2 9482 wrqu->retry.value = priv->long_retry_limit;
919ee6dd
JT		 9483 } else if (wrqu->retry.flags & IW_RETRY_SHORT) {
9484 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_SHORT;
afbf30a2
JK		 9485 wrqu->retry.value = priv->short_retry_limit;
9486 } else {
9487 wrqu->retry.flags = IW_RETRY_LIMIT;
9488 wrqu->retry.value = priv->short_retry_limit;
9489 }
4644151b 9490 mutex_unlock(&priv->mutex);
afbf30a2
JK		 9491
9492 IPW_DEBUG_WX("GET retry -> %d \n", wrqu->retry.value);
9493
9494 return 0;
9495}
9496
bf79451e
JG		 9497static int ipw_wx_set_scan(struct net_device *dev,
9498 struct iw_request_info *info,
43f66a6c
JK		 9499 union iwreq_data *wrqu, char *extra)
9500{
9501 struct ipw_priv *priv = ieee80211_priv(dev);
094c4d2d 9502 struct iw_scan_req *req = (struct iw_scan_req *)extra;
ea177305 9503 struct delayed_work *work = NULL;
094c4d2d 9504
0b531676 9505 mutex_lock(&priv->mutex);
ea177305 9506
0b531676 9507 priv->user_requested_scan = 1;
0b531676 9508
094c4d2d 9509 if (wrqu->data.length == sizeof(struct iw_scan_req)) {
afbf30a2 9510 if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
ea177305
DW		 9511 int len = min((int)req->essid_len,
9512 (int)sizeof(priv->direct_scan_ssid));
9513 memcpy(priv->direct_scan_ssid, req->essid, len);
9514 priv->direct_scan_ssid_len = len;
9515 work = &priv->request_direct_scan;
9516 } else if (req->scan_type == IW_SCAN_TYPE_PASSIVE) {
9517 work = &priv->request_passive_scan;
094c4d2d 9518 }
ea177305
DW		 9519 } else {
9520 /* Normal active broadcast scan */
9521 work = &priv->request_scan;
afbf30a2 9522 }
8935f39e 9523
ea177305
DW		 9524 mutex_unlock(&priv->mutex);
9525
43f66a6c 9526 IPW_DEBUG_WX("Start scan\n");
b095c381 9527
ea177305 9528 queue_delayed_work(priv->workqueue, work, 0);
b095c381 9529
43f66a6c
JK		 9530 return 0;
9531}
9532
bf79451e
JG		 9533static int ipw_wx_get_scan(struct net_device *dev,
9534 struct iw_request_info *info,
43f66a6c 9535 union iwreq_data *wrqu, char *extra)
bf79451e 9536{
43f66a6c
JK		 9537 struct ipw_priv *priv = ieee80211_priv(dev);
9538 return ieee80211_wx_get_scan(priv->ieee, info, wrqu, extra);
9539}
9540
bf79451e 9541static int ipw_wx_set_encode(struct net_device *dev,
0edd5b44
JG		 9542 struct iw_request_info *info,
9543 union iwreq_data *wrqu, char *key)
43f66a6c
JK		 9544{
9545 struct ipw_priv *priv = ieee80211_priv(dev);
afbf30a2 9546 int ret;
caeff81b 9547 u32 cap = priv->capability;
afbf30a2 9548
4644151b 9549 mutex_lock(&priv->mutex);
afbf30a2 9550 ret = ieee80211_wx_set_encode(priv->ieee, info, wrqu, key);
afbf30a2 9551
caeff81b
HL		 9552 /* In IBSS mode, we need to notify the firmware to update
9553 * the beacon info after we changed the capability. */
9554 if (cap != priv->capability &&
9555 priv->ieee->iw_mode == IW_MODE_ADHOC &&
9556 priv->status & STATUS_ASSOCIATED)
9557 ipw_disassociate(priv);
9558
4644151b 9559 mutex_unlock(&priv->mutex);
afbf30a2 9560 return ret;
43f66a6c
JK		 9561}
9562
bf79451e 9563static int ipw_wx_get_encode(struct net_device *dev,
0edd5b44
JG		 9564 struct iw_request_info *info,
9565 union iwreq_data *wrqu, char *key)
43f66a6c
JK		 9566{
9567 struct ipw_priv *priv = ieee80211_priv(dev);
9568 return ieee80211_wx_get_encode(priv->ieee, info, wrqu, key);
9569}
9570
bf79451e 9571static int ipw_wx_set_power(struct net_device *dev,
0edd5b44
JG		 9572 struct iw_request_info *info,
9573 union iwreq_data *wrqu, char *extra)
43f66a6c
JK		 9574{
9575 struct ipw_priv *priv = ieee80211_priv(dev);
9576 int err;
4644151b 9577 mutex_lock(&priv->mutex);
43f66a6c
JK		 9578 if (wrqu->power.disabled) {
9579 priv->power_mode = IPW_POWER_LEVEL(priv->power_mode);
9580 err = ipw_send_power_mode(priv, IPW_POWER_MODE_CAM);
9581 if (err) {
9582 IPW_DEBUG_WX("failed setting power mode.\n");
4644151b 9583 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9584 return err;
9585 }
43f66a6c 9586 IPW_DEBUG_WX("SET Power Management Mode -> off\n");
4644151b 9587 mutex_unlock(&priv->mutex);
43f66a6c 9588 return 0;
bf79451e 9589 }
43f66a6c
JK		 9590
9591 switch (wrqu->power.flags & IW_POWER_MODE) {
0edd5b44
JG		 9592 case IW_POWER_ON: /* If not specified */
9593 case IW_POWER_MODE: /* If set all mask */
c03983ac 9594 case IW_POWER_ALL_R: /* If explicitly state all */
43f66a6c 9595 break;
0edd5b44 9596 default: /* Otherwise we don't support it */
43f66a6c
JK		 9597 IPW_DEBUG_WX("SET PM Mode: %X not supported.\n",
9598 wrqu->power.flags);
4644151b 9599 mutex_unlock(&priv->mutex);
bf79451e 9600 return -EOPNOTSUPP;
43f66a6c 9601 }
bf79451e 9602
43f66a6c
JK		 9603 /* If the user hasn't specified a power management mode yet, default
9604 * to BATTERY */
0edd5b44 9605 if (IPW_POWER_LEVEL(priv->power_mode) == IPW_POWER_AC)
43f66a6c 9606 priv->power_mode = IPW_POWER_ENABLED | IPW_POWER_BATTERY;
bf79451e 9607 else
43f66a6c 9608 priv->power_mode = IPW_POWER_ENABLED | priv->power_mode;
4e157f08 9609
43f66a6c
JK		 9610 err = ipw_send_power_mode(priv, IPW_POWER_LEVEL(priv->power_mode));
9611 if (err) {
9612 IPW_DEBUG_WX("failed setting power mode.\n");
4644151b 9613 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9614 return err;
9615 }
9616
0edd5b44 9617 IPW_DEBUG_WX("SET Power Management Mode -> 0x%02X\n", priv->power_mode);
4644151b 9618 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9619 return 0;
9620}
9621
bf79451e 9622static int ipw_wx_get_power(struct net_device *dev,
0edd5b44
JG		 9623 struct iw_request_info *info,
9624 union iwreq_data *wrqu, char *extra)
43f66a6c
JK		 9625{
9626 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 9627 mutex_lock(&priv->mutex);
a613bffd 9628 if (!(priv->power_mode & IPW_POWER_ENABLED))
43f66a6c 9629 wrqu->power.disabled = 1;
a613bffd 9630 else
43f66a6c 9631 wrqu->power.disabled = 0;
43f66a6c 9632
4644151b 9633 mutex_unlock(&priv->mutex);
43f66a6c 9634 IPW_DEBUG_WX("GET Power Management Mode -> %02X\n", priv->power_mode);
bf79451e 9635
43f66a6c
JK		 9636 return 0;
9637}
9638
bf79451e 9639static int ipw_wx_set_powermode(struct net_device *dev,
0edd5b44
JG		 9640 struct iw_request_info *info,
9641 union iwreq_data *wrqu, char *extra)
43f66a6c
JK		 9642{
9643 struct ipw_priv *priv = ieee80211_priv(dev);
9644 int mode = *(int *)extra;
9645 int err;
4e157f08 9646
4644151b 9647 mutex_lock(&priv->mutex);
4e157f08 9648 if ((mode < 1) || (mode > IPW_POWER_LIMIT))
43f66a6c 9649 mode = IPW_POWER_AC;
bf79451e 9650
4e157f08 9651 if (IPW_POWER_LEVEL(priv->power_mode) != mode) {
43f66a6c 9652 err = ipw_send_power_mode(priv, mode);
43f66a6c
JK		 9653 if (err) {
9654 IPW_DEBUG_WX("failed setting power mode.\n");
4644151b 9655 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9656 return err;
9657 }
4e157f08 9658 priv->power_mode = IPW_POWER_ENABLED | mode;
43f66a6c 9659 }
4644151b 9660 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9661 return 0;
9662}
9663
9664#define MAX_WX_STRING 80
bf79451e 9665static int ipw_wx_get_powermode(struct net_device *dev,
0edd5b44
JG		 9666 struct iw_request_info *info,
9667 union iwreq_data *wrqu, char *extra)
43f66a6c
JK		 9668{
9669 struct ipw_priv *priv = ieee80211_priv(dev);
9670 int level = IPW_POWER_LEVEL(priv->power_mode);
9671 char *p = extra;
9672
9673 p += snprintf(p, MAX_WX_STRING, "Power save level: %d ", level);
9674
9675 switch (level) {
9676 case IPW_POWER_AC:
9677 p += snprintf(p, MAX_WX_STRING - (p - extra), "(AC)");
9678 break;
9679 case IPW_POWER_BATTERY:
9680 p += snprintf(p, MAX_WX_STRING - (p - extra), "(BATTERY)");
9681 break;
9682 default:
9683 p += snprintf(p, MAX_WX_STRING - (p - extra),
bf79451e 9684 "(Timeout %dms, Period %dms)",
43f66a6c
JK		 9685 timeout_duration[level - 1] / 1000,
9686 period_duration[level - 1] / 1000);
9687 }
9688
9689 if (!(priv->power_mode & IPW_POWER_ENABLED))
0edd5b44 9690 p += snprintf(p, MAX_WX_STRING - (p - extra), " OFF");
43f66a6c
JK		 9691
9692 wrqu->data.length = p - extra + 1;
9693
9694 return 0;
9695}
9696
9697static int ipw_wx_set_wireless_mode(struct net_device *dev,
0edd5b44
JG		 9698 struct iw_request_info *info,
9699 union iwreq_data *wrqu, char *extra)
43f66a6c 9700{
0edd5b44 9701 struct ipw_priv *priv = ieee80211_priv(dev);
43f66a6c
JK		 9702 int mode = *(int *)extra;
9703 u8 band = 0, modulation = 0;
9704
9705 if (mode == 0 || mode & ~IEEE_MODE_MASK) {
0edd5b44 9706 IPW_WARNING("Attempt to set invalid wireless mode: %d\n", mode);
43f66a6c
JK		 9707 return -EINVAL;
9708 }
4644151b 9709 mutex_lock(&priv->mutex);
43f66a6c 9710 if (priv->adapter == IPW_2915ABG) {
a33a1982 9711 priv->ieee->abg_true = 1;
43f66a6c
JK		 9712 if (mode & IEEE_A) {
9713 band |= IEEE80211_52GHZ_BAND;
9714 modulation |= IEEE80211_OFDM_MODULATION;
9715 } else
a33a1982 9716 priv->ieee->abg_true = 0;
43f66a6c
JK		 9717 } else {
9718 if (mode & IEEE_A) {
9719 IPW_WARNING("Attempt to set 2200BG into "
9720 "802.11a mode\n");
4644151b 9721 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9722 return -EINVAL;
9723 }
9724
a33a1982 9725 priv->ieee->abg_true = 0;
43f66a6c
JK		 9726 }
9727
9728 if (mode & IEEE_B) {
9729 band |= IEEE80211_24GHZ_BAND;
9730 modulation |= IEEE80211_CCK_MODULATION;
9731 } else
a33a1982 9732 priv->ieee->abg_true = 0;
bf79451e 9733
43f66a6c
JK		 9734 if (mode & IEEE_G) {
9735 band |= IEEE80211_24GHZ_BAND;
9736 modulation |= IEEE80211_OFDM_MODULATION;
9737 } else
a33a1982 9738 priv->ieee->abg_true = 0;
43f66a6c
JK		 9739
9740 priv->ieee->mode = mode;
9741 priv->ieee->freq_band = band;
9742 priv->ieee->modulation = modulation;
0edd5b44 9743 init_supported_rates(priv, &priv->rates);
43f66a6c 9744
c848d0af
JK		 9745 /* Network configuration changed -- force [re]association */
9746 IPW_DEBUG_ASSOC("[re]association triggered due to mode change.\n");
9747 if (!ipw_disassociate(priv)) {
43f66a6c 9748 ipw_send_supported_rates(priv, &priv->rates);
c848d0af
JK		 9749 ipw_associate(priv);
9750 }
43f66a6c 9751
a613bffd
JK		 9752 /* Update the band LEDs */
9753 ipw_led_band_on(priv);
43f66a6c 9754
bf79451e 9755 IPW_DEBUG_WX("PRIV SET MODE: %c%c%c\n",
43f66a6c 9756 mode & IEEE_A ? 'a' : '.',
0edd5b44 9757 mode & IEEE_B ? 'b' : '.', mode & IEEE_G ? 'g' : '.');
4644151b 9758 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9759 return 0;
9760}
9761
9762static int ipw_wx_get_wireless_mode(struct net_device *dev,
0edd5b44
JG		 9763 struct iw_request_info *info,
9764 union iwreq_data *wrqu, char *extra)
43f66a6c 9765{
0edd5b44 9766 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 9767 mutex_lock(&priv->mutex);
ea2b26e0
JK		 9768 switch (priv->ieee->mode) {
9769 case IEEE_A:
43f66a6c
JK		 9770 strncpy(extra, "802.11a (1)", MAX_WX_STRING);
9771 break;
ea2b26e0
JK		 9772 case IEEE_B:
9773 strncpy(extra, "802.11b (2)", MAX_WX_STRING);
9774 break;
9775 case IEEE_A | IEEE_B:
9776 strncpy(extra, "802.11ab (3)", MAX_WX_STRING);
9777 break;
9778 case IEEE_G:
9779 strncpy(extra, "802.11g (4)", MAX_WX_STRING);
9780 break;
9781 case IEEE_A | IEEE_G:
9782 strncpy(extra, "802.11ag (5)", MAX_WX_STRING);
9783 break;
9784 case IEEE_B | IEEE_G:
9785 strncpy(extra, "802.11bg (6)", MAX_WX_STRING);
9786 break;
9787 case IEEE_A | IEEE_B | IEEE_G:
9788 strncpy(extra, "802.11abg (7)", MAX_WX_STRING);
9789 break;
9790 default:
9791 strncpy(extra, "unknown", MAX_WX_STRING);
43f66a6c 9792 break;
bf79451e
JG		 9793 }
9794
43f66a6c
JK		 9795 IPW_DEBUG_WX("PRIV GET MODE: %s\n", extra);
9796
0edd5b44 9797 wrqu->data.length = strlen(extra) + 1;
4644151b 9798 mutex_unlock(&priv->mutex);
b095c381
JK		 9799
9800 return 0;
9801}
9802
9803static int ipw_wx_set_preamble(struct net_device *dev,
9804 struct iw_request_info *info,
9805 union iwreq_data *wrqu, char *extra)
9806{
9807 struct ipw_priv *priv = ieee80211_priv(dev);
9808 int mode = *(int *)extra;
4644151b 9809 mutex_lock(&priv->mutex);
b095c381
JK		 9810 /* Switching from SHORT -> LONG requires a disassociation */
9811 if (mode == 1) {
9812 if (!(priv->config & CFG_PREAMBLE_LONG)) {
9813 priv->config |= CFG_PREAMBLE_LONG;
9814
9815 /* Network configuration changed -- force [re]association */
9816 IPW_DEBUG_ASSOC
9817 ("[re]association triggered due to preamble change.\n");
9818 if (!ipw_disassociate(priv))
9819 ipw_associate(priv);
9820 }
9821 goto done;
9822 }
43f66a6c 9823
b095c381
JK		 9824 if (mode == 0) {
9825 priv->config &= ~CFG_PREAMBLE_LONG;
9826 goto done;
9827 }
4644151b 9828 mutex_unlock(&priv->mutex);
b095c381
JK		 9829 return -EINVAL;
9830
9831 done:
4644151b 9832 mutex_unlock(&priv->mutex);
b095c381
JK		 9833 return 0;
9834}
9835
9836static int ipw_wx_get_preamble(struct net_device *dev,
9837 struct iw_request_info *info,
9838 union iwreq_data *wrqu, char *extra)
9839{
9840 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 9841 mutex_lock(&priv->mutex);
b095c381
JK		 9842 if (priv->config & CFG_PREAMBLE_LONG)
9843 snprintf(wrqu->name, IFNAMSIZ, "long (1)");
9844 else
9845 snprintf(wrqu->name, IFNAMSIZ, "auto (0)");
4644151b 9846 mutex_unlock(&priv->mutex);
0edd5b44 9847 return 0;
43f66a6c
JK		 9848}
9849
b095c381
JK		 9850#ifdef CONFIG_IPW2200_MONITOR
9851static int ipw_wx_set_monitor(struct net_device *dev,
bf79451e 9852 struct iw_request_info *info,
43f66a6c 9853 union iwreq_data *wrqu, char *extra)
bf79451e 9854{
43f66a6c
JK		 9855 struct ipw_priv *priv = ieee80211_priv(dev);
9856 int *parms = (int *)extra;
9857 int enable = (parms[0] > 0);
4644151b 9858 mutex_lock(&priv->mutex);
b095c381 9859 IPW_DEBUG_WX("SET MONITOR: %d %d\n", enable, parms[1]);
43f66a6c
JK		 9860 if (enable) {
9861 if (priv->ieee->iw_mode != IW_MODE_MONITOR) {
459d4087 9862#ifdef CONFIG_IPW2200_RADIOTAP
24a47dbd
MK		 9863 priv->net_dev->type = ARPHRD_IEEE80211_RADIOTAP;
9864#else
43f66a6c 9865 priv->net_dev->type = ARPHRD_IEEE80211;
24a47dbd 9866#endif
b095c381 9867 queue_work(priv->workqueue, &priv->adapter_restart);
43f66a6c 9868 }
bf79451e 9869
43f66a6c
JK		 9870 ipw_set_channel(priv, parms[1]);
9871 } else {
b095c381 9872 if (priv->ieee->iw_mode != IW_MODE_MONITOR) {
4644151b 9873 mutex_unlock(&priv->mutex);
43f66a6c 9874 return 0;
b095c381 9875 }
43f66a6c 9876 priv->net_dev->type = ARPHRD_ETHER;
b095c381 9877 queue_work(priv->workqueue, &priv->adapter_restart);
43f66a6c 9878 }
4644151b 9879 mutex_unlock(&priv->mutex);
43f66a6c
JK		 9880 return 0;
9881}
9882
67fd6b45 9883#endif /* CONFIG_IPW2200_MONITOR */
b095c381 9884
bf79451e
JG		 9885static int ipw_wx_reset(struct net_device *dev,
9886 struct iw_request_info *info,
43f66a6c 9887 union iwreq_data *wrqu, char *extra)
bf79451e 9888{
43f66a6c
JK		 9889 struct ipw_priv *priv = ieee80211_priv(dev);
9890 IPW_DEBUG_WX("RESET\n");
b095c381
JK		 9891 queue_work(priv->workqueue, &priv->adapter_restart);
9892 return 0;
9893}
9894
b095c381
JK		 9895static int ipw_wx_sw_reset(struct net_device *dev,
9896 struct iw_request_info *info,
9897 union iwreq_data *wrqu, char *extra)
ea2b26e0
JK		 9898{
9899 struct ipw_priv *priv = ieee80211_priv(dev);
b095c381
JK		 9900 union iwreq_data wrqu_sec = {
9901 .encoding = {
9902 .flags = IW_ENCODE_DISABLED,
9903 },
9904 };
afbf30a2 9905 int ret;
c848d0af 9906
b095c381 9907 IPW_DEBUG_WX("SW_RESET\n");
ea2b26e0 9908
4644151b 9909 mutex_lock(&priv->mutex);
ea2b26e0 9910
d6d5b5c1 9911 ret = ipw_sw_reset(priv, 2);
afbf30a2
JK		 9912 if (!ret) {
9913 free_firmware();
9914 ipw_adapter_restart(priv);
9915 }
ea2b26e0 9916
b095c381
JK		 9917 /* The SW reset bit might have been toggled on by the 'disable'
9918 * module parameter, so take appropriate action */
9919 ipw_radio_kill_sw(priv, priv->status & STATUS_RF_KILL_SW);
ea2b26e0 9920
4644151b 9921 mutex_unlock(&priv->mutex);
b095c381 9922 ieee80211_wx_set_encode(priv->ieee, info, &wrqu_sec, NULL);
4644151b 9923 mutex_lock(&priv->mutex);
bf79451e 9924
b095c381
JK		 9925 if (!(priv->status & STATUS_RF_KILL_MASK)) {
9926 /* Configuration likely changed -- force [re]association */
9927 IPW_DEBUG_ASSOC("[re]association triggered due to sw "
9928 "reset.\n");
9929 if (!ipw_disassociate(priv))
9930 ipw_associate(priv);
43f66a6c 9931 }
b095c381 9932
4644151b 9933 mutex_unlock(&priv->mutex);
43f66a6c 9934
43f66a6c
JK		 9935 return 0;
9936}
43f66a6c
JK		 9937
9938/* Rebase the WE IOCTLs to zero for the handler array */
9939#define IW_IOCTL(x) [(x)-SIOCSIWCOMMIT]
0edd5b44 9940static iw_handler ipw_wx_handlers[] = {
ea2b26e0
JK		 9941 IW_IOCTL(SIOCGIWNAME) = ipw_wx_get_name,
9942 IW_IOCTL(SIOCSIWFREQ) = ipw_wx_set_freq,
9943 IW_IOCTL(SIOCGIWFREQ) = ipw_wx_get_freq,
9944 IW_IOCTL(SIOCSIWMODE) = ipw_wx_set_mode,
9945 IW_IOCTL(SIOCGIWMODE) = ipw_wx_get_mode,
651be26f
OH		 9946 IW_IOCTL(SIOCSIWSENS) = ipw_wx_set_sens,
9947 IW_IOCTL(SIOCGIWSENS) = ipw_wx_get_sens,
ea2b26e0
JK		 9948 IW_IOCTL(SIOCGIWRANGE) = ipw_wx_get_range,
9949 IW_IOCTL(SIOCSIWAP) = ipw_wx_set_wap,
9950 IW_IOCTL(SIOCGIWAP) = ipw_wx_get_wap,
9951 IW_IOCTL(SIOCSIWSCAN) = ipw_wx_set_scan,
9952 IW_IOCTL(SIOCGIWSCAN) = ipw_wx_get_scan,
9953 IW_IOCTL(SIOCSIWESSID) = ipw_wx_set_essid,
9954 IW_IOCTL(SIOCGIWESSID) = ipw_wx_get_essid,
9955 IW_IOCTL(SIOCSIWNICKN) = ipw_wx_set_nick,
9956 IW_IOCTL(SIOCGIWNICKN) = ipw_wx_get_nick,
9957 IW_IOCTL(SIOCSIWRATE) = ipw_wx_set_rate,
9958 IW_IOCTL(SIOCGIWRATE) = ipw_wx_get_rate,
9959 IW_IOCTL(SIOCSIWRTS) = ipw_wx_set_rts,
9960 IW_IOCTL(SIOCGIWRTS) = ipw_wx_get_rts,
9961 IW_IOCTL(SIOCSIWFRAG) = ipw_wx_set_frag,
9962 IW_IOCTL(SIOCGIWFRAG) = ipw_wx_get_frag,
9963 IW_IOCTL(SIOCSIWTXPOW) = ipw_wx_set_txpow,
9964 IW_IOCTL(SIOCGIWTXPOW) = ipw_wx_get_txpow,
9965 IW_IOCTL(SIOCSIWRETRY) = ipw_wx_set_retry,
9966 IW_IOCTL(SIOCGIWRETRY) = ipw_wx_get_retry,
9967 IW_IOCTL(SIOCSIWENCODE) = ipw_wx_set_encode,
9968 IW_IOCTL(SIOCGIWENCODE) = ipw_wx_get_encode,
9969 IW_IOCTL(SIOCSIWPOWER) = ipw_wx_set_power,
9970 IW_IOCTL(SIOCGIWPOWER) = ipw_wx_get_power,
a613bffd
JK		 9971 IW_IOCTL(SIOCSIWSPY) = iw_handler_set_spy,
9972 IW_IOCTL(SIOCGIWSPY) = iw_handler_get_spy,
9973 IW_IOCTL(SIOCSIWTHRSPY) = iw_handler_set_thrspy,
9974 IW_IOCTL(SIOCGIWTHRSPY) = iw_handler_get_thrspy,
afbf30a2
JK		 9975 IW_IOCTL(SIOCSIWGENIE) = ipw_wx_set_genie,
9976 IW_IOCTL(SIOCGIWGENIE) = ipw_wx_get_genie,
9977 IW_IOCTL(SIOCSIWMLME) = ipw_wx_set_mlme,
9978 IW_IOCTL(SIOCSIWAUTH) = ipw_wx_set_auth,
9979 IW_IOCTL(SIOCGIWAUTH) = ipw_wx_get_auth,
9980 IW_IOCTL(SIOCSIWENCODEEXT) = ipw_wx_set_encodeext,
9981 IW_IOCTL(SIOCGIWENCODEEXT) = ipw_wx_get_encodeext,
43f66a6c
JK		 9982};
9983
b095c381
JK		 9984enum {
9985 IPW_PRIV_SET_POWER = SIOCIWFIRSTPRIV,
9986 IPW_PRIV_GET_POWER,
9987 IPW_PRIV_SET_MODE,
9988 IPW_PRIV_GET_MODE,
9989 IPW_PRIV_SET_PREAMBLE,
9990 IPW_PRIV_GET_PREAMBLE,
9991 IPW_PRIV_RESET,
9992 IPW_PRIV_SW_RESET,
9993#ifdef CONFIG_IPW2200_MONITOR
9994 IPW_PRIV_SET_MONITOR,
9995#endif
9996};
43f66a6c 9997
bf79451e 9998static struct iw_priv_args ipw_priv_args[] = {
43f66a6c 9999 {
0edd5b44
JG		 10000 .cmd = IPW_PRIV_SET_POWER,
10001 .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
10002 .name = "set_power"},
43f66a6c 10003 {
0edd5b44
JG		 10004 .cmd = IPW_PRIV_GET_POWER,
10005 .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING,
10006 .name = "get_power"},
43f66a6c 10007 {
0edd5b44
JG		 10008 .cmd = IPW_PRIV_SET_MODE,
10009 .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
10010 .name = "set_mode"},
43f66a6c 10011 {
0edd5b44
JG		 10012 .cmd = IPW_PRIV_GET_MODE,
10013 .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING,
10014 .name = "get_mode"},
43f66a6c 10015 {
ea2b26e0
JK		 10016 .cmd = IPW_PRIV_SET_PREAMBLE,
10017 .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
10018 .name = "set_preamble"},
10019 {
10020 .cmd = IPW_PRIV_GET_PREAMBLE,
10021 .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | IFNAMSIZ,
10022 .name = "get_preamble"},
43f66a6c 10023 {
0edd5b44
JG		 10024 IPW_PRIV_RESET,
10025 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 0, 0, "reset"},
b095c381
JK		 10026 {
10027 IPW_PRIV_SW_RESET,
10028 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 0, 0, "sw_reset"},
10029#ifdef CONFIG_IPW2200_MONITOR
10030 {
10031 IPW_PRIV_SET_MONITOR,
10032 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "monitor"},
10033#endif /* CONFIG_IPW2200_MONITOR */
43f66a6c
JK		 10034};
10035
10036static iw_handler ipw_priv_handler[] = {
10037 ipw_wx_set_powermode,
10038 ipw_wx_get_powermode,
10039 ipw_wx_set_wireless_mode,
10040 ipw_wx_get_wireless_mode,
ea2b26e0
JK		 10041 ipw_wx_set_preamble,
10042 ipw_wx_get_preamble,
bf79451e 10043 ipw_wx_reset,
b095c381
JK		 10044 ipw_wx_sw_reset,
10045#ifdef CONFIG_IPW2200_MONITOR
10046 ipw_wx_set_monitor,
43f66a6c
JK		 10047#endif
10048};
10049
0edd5b44 10050static struct iw_handler_def ipw_wx_handler_def = {
ea2b26e0
JK		 10051 .standard = ipw_wx_handlers,
10052 .num_standard = ARRAY_SIZE(ipw_wx_handlers),
10053 .num_private = ARRAY_SIZE(ipw_priv_handler),
10054 .num_private_args = ARRAY_SIZE(ipw_priv_args),
10055 .private = ipw_priv_handler,
10056 .private_args = ipw_priv_args,
97a78ca9 10057 .get_wireless_stats = ipw_get_wireless_stats,
43f66a6c
JK		 10058};
10059
43f66a6c
JK		 10060/*
10061 * Get wireless statistics.
10062 * Called by /proc/net/wireless
10063 * Also called by SIOCGIWSTATS
10064 */
0edd5b44 10065static struct iw_statistics *ipw_get_wireless_stats(struct net_device *dev)
43f66a6c
JK		 10066{
10067 struct ipw_priv *priv = ieee80211_priv(dev);
10068 struct iw_statistics *wstats;
bf79451e 10069
43f66a6c
JK		 10070 wstats = &priv->wstats;
10071
ea2b26e0 10072 /* if hw is disabled, then ipw_get_ordinal() can't be called.
afbf30a2 10073 * netdev->get_wireless_stats seems to be called before fw is
43f66a6c
JK		 10074 * initialized. STATUS_ASSOCIATED will only be set if the hw is up
10075 * and associated; if not associcated, the values are all meaningless
10076 * anyway, so set them all to NULL and INVALID */
10077 if (!(priv->status & STATUS_ASSOCIATED)) {
10078 wstats->miss.beacon = 0;
10079 wstats->discard.retries = 0;
10080 wstats->qual.qual = 0;
10081 wstats->qual.level = 0;
10082 wstats->qual.noise = 0;
10083 wstats->qual.updated = 7;
10084 wstats->qual.updated |= IW_QUAL_NOISE_INVALID |
0edd5b44 10085 IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
43f66a6c 10086 return wstats;
bf79451e 10087 }
43f66a6c
JK		 10088
10089 wstats->qual.qual = priv->quality;
00d21de5
ZY		 10090 wstats->qual.level = priv->exp_avg_rssi;
10091 wstats->qual.noise = priv->exp_avg_noise;
43f66a6c 10092 wstats->qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED |
b191608a 10093 IW_QUAL_NOISE_UPDATED | IW_QUAL_DBM;
43f66a6c
JK		 10094
10095 wstats->miss.beacon = average_value(&priv->average_missed_beacons);
10096 wstats->discard.retries = priv->last_tx_failures;
10097 wstats->discard.code = priv->ieee->ieee_stats.rx_discards_undecryptable;
bf79451e 10098
43f66a6c
JK		 10099/* if (ipw_get_ordinal(priv, IPW_ORD_STAT_TX_RETRY, &tx_retry, &len))
10100 goto fail_get_ordinal;
10101 wstats->discard.retries += tx_retry; */
bf79451e 10102
43f66a6c
JK		 10103 return wstats;
10104}
10105
43f66a6c
JK		 10106/* net device stuff */
10107
858119e1 10108static void init_sys_config(struct ipw_sys_config *sys_config)
43f66a6c 10109{
0edd5b44 10110 memset(sys_config, 0, sizeof(struct ipw_sys_config));
810dabd4 10111 sys_config->bt_coexistence = 0;
43f66a6c
JK		 10112 sys_config->answer_broadcast_ssid_probe = 0;
10113 sys_config->accept_all_data_frames = 0;
10114 sys_config->accept_non_directed_frames = 1;
10115 sys_config->exclude_unicast_unencrypted = 0;
10116 sys_config->disable_unicast_decryption = 1;
10117 sys_config->exclude_multicast_unencrypted = 0;
10118 sys_config->disable_multicast_decryption = 1;
d2b83e12
ZY		 10119 if (antenna < CFG_SYS_ANTENNA_BOTH || antenna > CFG_SYS_ANTENNA_B)
10120 antenna = CFG_SYS_ANTENNA_BOTH;
10121 sys_config->antenna_diversity = antenna;
0edd5b44 10122 sys_config->pass_crc_to_host = 0; /* TODO: See if 1 gives us FCS */
43f66a6c 10123 sys_config->dot11g_auto_detection = 0;
bf79451e 10124 sys_config->enable_cts_to_self = 0;
43f66a6c 10125 sys_config->bt_coexist_collision_thr = 0;
67fd6b45 10126 sys_config->pass_noise_stats_to_host = 1; /* 1 -- fix for 256 */
12977154 10127 sys_config->silence_threshold = 0x1e;
43f66a6c
JK		 10128}
10129
10130static int ipw_net_open(struct net_device *dev)
10131{
43f66a6c 10132 IPW_DEBUG_INFO("dev->open\n");
521c4d96 10133 netif_start_queue(dev);
43f66a6c
JK		 10134 return 0;
10135}
10136
10137static int ipw_net_stop(struct net_device *dev)
10138{
10139 IPW_DEBUG_INFO("dev->close\n");
10140 netif_stop_queue(dev);
10141 return 0;
10142}
10143
10144/*
10145todo:
10146
10147modify to send one tfd per fragment instead of using chunking. otherwise
10148we need to heavily modify the ieee80211_skb_to_txb.
10149*/
10150
858119e1 10151static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb,
227d2dc1 10152 int pri)
43f66a6c 10153{
a5cf4fe6 10154 struct ieee80211_hdr_3addrqos *hdr = (struct ieee80211_hdr_3addrqos *)
0edd5b44 10155 txb->fragments[0]->data;
43f66a6c
JK		 10156 int i = 0;
10157 struct tfd_frame *tfd;
e43e3c1e 10158#ifdef CONFIG_IPW2200_QOS
b095c381
JK		 10159 int tx_id = ipw_get_tx_queue_number(priv, pri);
10160 struct clx2_tx_queue *txq = &priv->txq[tx_id];
10161#else
43f66a6c 10162 struct clx2_tx_queue *txq = &priv->txq[0];
b095c381 10163#endif
43f66a6c
JK		 10164 struct clx2_queue *q = &txq->q;
10165 u8 id, hdr_len, unicast;
10166 u16 remaining_bytes;
c848d0af 10167 int fc;
43f66a6c 10168
a5cf4fe6 10169 hdr_len = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
43f66a6c
JK		 10170 switch (priv->ieee->iw_mode) {
10171 case IW_MODE_ADHOC:
3c19065a 10172 unicast = !is_multicast_ether_addr(hdr->addr1);
43f66a6c
JK		 10173 id = ipw_find_station(priv, hdr->addr1);
10174 if (id == IPW_INVALID_STATION) {
10175 id = ipw_add_station(priv, hdr->addr1);
10176 if (id == IPW_INVALID_STATION) {
10177 IPW_WARNING("Attempt to send data to "
e174961c
JB		 10178 "invalid cell: %pM\n",
10179 hdr->addr1);
43f66a6c
JK		 10180 goto drop;
10181 }
10182 }
10183 break;
10184
10185 case IW_MODE_INFRA:
10186 default:
3c19065a 10187 unicast = !is_multicast_ether_addr(hdr->addr3);
43f66a6c
JK		 10188 id = 0;
10189 break;
10190 }
10191
10192 tfd = &txq->bd[q->first_empty];
10193 txq->txb[q->first_empty] = txb;
10194 memset(tfd, 0, sizeof(*tfd));
10195 tfd->u.data.station_number = id;
10196
10197 tfd->control_flags.message_type = TX_FRAME_TYPE;
10198 tfd->control_flags.control_bits = TFD_NEED_IRQ_MASK;
10199
10200 tfd->u.data.cmd_id = DINO_CMD_TX;
a613bffd 10201 tfd->u.data.len = cpu_to_le16(txb->payload_size);
43f66a6c 10202 remaining_bytes = txb->payload_size;
bf79451e 10203
43f66a6c 10204 if (priv->assoc_request.ieee_mode == IPW_B_MODE)
b095c381 10205 tfd->u.data.tx_flags_ext |= DCT_FLAG_EXT_MODE_CCK;
43f66a6c 10206 else
b095c381 10207 tfd->u.data.tx_flags_ext |= DCT_FLAG_EXT_MODE_OFDM;
43f66a6c 10208
ea2b26e0
JK		 10209 if (priv->assoc_request.preamble_length == DCT_FLAG_SHORT_PREAMBLE)
10210 tfd->u.data.tx_flags |= DCT_FLAG_SHORT_PREAMBLE;
43f66a6c 10211
c848d0af
JK		 10212 fc = le16_to_cpu(hdr->frame_ctl);
10213 hdr->frame_ctl = cpu_to_le16(fc & ~IEEE80211_FCTL_MOREFRAGS);
43f66a6c
JK		 10214
10215 memcpy(&tfd->u.data.tfd.tfd_24.mchdr, hdr, hdr_len);
10216
b095c381
JK		 10217 if (likely(unicast))
10218 tfd->u.data.tx_flags |= DCT_FLAG_ACK_REQD;
10219
10220 if (txb->encrypted && !priv->ieee->host_encrypt) {
10221 switch (priv->ieee->sec.level) {
10222 case SEC_LEVEL_3:
10223 tfd->u.data.tfd.tfd_24.mchdr.frame_ctl |=
851ca268 10224 cpu_to_le16(IEEE80211_FCTL_PROTECTED);
b095c381
JK		 10225 /* XXX: ACK flag must be set for CCMP even if it
10226 * is a multicast/broadcast packet, because CCMP
10227 * group communication encrypted by GTK is
10228 * actually done by the AP. */
10229 if (!unicast)
10230 tfd->u.data.tx_flags |= DCT_FLAG_ACK_REQD;
10231
10232 tfd->u.data.tx_flags &= ~DCT_FLAG_NO_WEP;
10233 tfd->u.data.tx_flags_ext |= DCT_FLAG_EXT_SECURITY_CCM;
10234 tfd->u.data.key_index = 0;
10235 tfd->u.data.key_index |= DCT_WEP_INDEX_USE_IMMEDIATE;
10236 break;
10237 case SEC_LEVEL_2:
10238 tfd->u.data.tfd.tfd_24.mchdr.frame_ctl |=
851ca268 10239 cpu_to_le16(IEEE80211_FCTL_PROTECTED);
b095c381
JK		 10240 tfd->u.data.tx_flags &= ~DCT_FLAG_NO_WEP;
10241 tfd->u.data.tx_flags_ext |= DCT_FLAG_EXT_SECURITY_TKIP;
10242 tfd->u.data.key_index = DCT_WEP_INDEX_USE_IMMEDIATE;
10243 break;
10244 case SEC_LEVEL_1:
10245 tfd->u.data.tfd.tfd_24.mchdr.frame_ctl |=
851ca268 10246 cpu_to_le16(IEEE80211_FCTL_PROTECTED);
b095c381
JK		 10247 tfd->u.data.key_index = priv->ieee->tx_keyidx;
10248 if (priv->ieee->sec.key_sizes[priv->ieee->tx_keyidx] <=
10249 40)
10250 tfd->u.data.key_index |= DCT_WEP_KEY_64Bit;
10251 else
10252 tfd->u.data.key_index |= DCT_WEP_KEY_128Bit;
10253 break;
10254 case SEC_LEVEL_0:
10255 break;
10256 default:
10257 printk(KERN_ERR "Unknow security level %d\n",
10258 priv->ieee->sec.level);
10259 break;
10260 }
10261 } else
10262 /* No hardware encryption */
10263 tfd->u.data.tx_flags |= DCT_FLAG_NO_WEP;
10264
e43e3c1e 10265#ifdef CONFIG_IPW2200_QOS
a5cf4fe6
ZY		 10266 if (fc & IEEE80211_STYPE_QOS_DATA)
10267 ipw_qos_set_tx_queue_command(priv, pri, &(tfd->u.data));
e43e3c1e 10268#endif /* CONFIG_IPW2200_QOS */
b095c381 10269
43f66a6c 10270 /* payload */
a613bffd
JK		 10271 tfd->u.data.num_chunks = cpu_to_le32(min((u8) (NUM_TFD_CHUNKS - 2),
10272 txb->nr_frags));
10273 IPW_DEBUG_FRAG("%i fragments being sent as %i chunks.\n",
10274 txb->nr_frags, le32_to_cpu(tfd->u.data.num_chunks));
10275 for (i = 0; i < le32_to_cpu(tfd->u.data.num_chunks); i++) {
10276 IPW_DEBUG_FRAG("Adding fragment %i of %i (%d bytes).\n",
10277 i, le32_to_cpu(tfd->u.data.num_chunks),
10278 txb->fragments[i]->len - hdr_len);
bf79451e 10279 IPW_DEBUG_TX("Dumping TX packet frag %i of %i (%d bytes):\n",
43f66a6c
JK		 10280 i, tfd->u.data.num_chunks,
10281 txb->fragments[i]->len - hdr_len);
bf79451e 10282 printk_buf(IPW_DL_TX, txb->fragments[i]->data + hdr_len,
43f66a6c
JK		 10283 txb->fragments[i]->len - hdr_len);
10284
0edd5b44 10285 tfd->u.data.chunk_ptr[i] =
a613bffd
JK		 10286 cpu_to_le32(pci_map_single
10287 (priv->pci_dev,
10288 txb->fragments[i]->data + hdr_len,
10289 txb->fragments[i]->len - hdr_len,
10290 PCI_DMA_TODEVICE));
10291 tfd->u.data.chunk_len[i] =
10292 cpu_to_le16(txb->fragments[i]->len - hdr_len);
43f66a6c
JK		 10293 }
10294
10295 if (i != txb->nr_frags) {
10296 struct sk_buff *skb;
10297 u16 remaining_bytes = 0;
10298 int j;
10299
10300 for (j = i; j < txb->nr_frags; j++)
10301 remaining_bytes += txb->fragments[j]->len - hdr_len;
10302
10303 printk(KERN_INFO "Trying to reallocate for %d bytes\n",
10304 remaining_bytes);
10305 skb = alloc_skb(remaining_bytes, GFP_ATOMIC);
10306 if (skb != NULL) {
a613bffd 10307 tfd->u.data.chunk_len[i] = cpu_to_le16(remaining_bytes);
43f66a6c
JK		 10308 for (j = i; j < txb->nr_frags; j++) {
10309 int size = txb->fragments[j]->len - hdr_len;
afbf30a2 10310
43f66a6c 10311 printk(KERN_INFO "Adding frag %d %d...\n",
0edd5b44 10312 j, size);
43f66a6c 10313 memcpy(skb_put(skb, size),
0edd5b44 10314 txb->fragments[j]->data + hdr_len, size);
43f66a6c
JK		 10315 }
10316 dev_kfree_skb_any(txb->fragments[i]);
10317 txb->fragments[i] = skb;
0edd5b44 10318 tfd->u.data.chunk_ptr[i] =
a613bffd
JK		 10319 cpu_to_le32(pci_map_single
10320 (priv->pci_dev, skb->data,
4958730e 10321 remaining_bytes,
a613bffd
JK		 10322 PCI_DMA_TODEVICE));
10323
5c05863d 10324 le32_add_cpu(&tfd->u.data.num_chunks, 1);
bf79451e 10325 }
43f66a6c
JK		 10326 }
10327
10328 /* kick DMA */
10329 q->first_empty = ipw_queue_inc_wrap(q->first_empty, q->n_bd);
10330 ipw_write32(priv, q->reg_w, q->first_empty);
10331
943dbef4 10332 if (ipw_tx_queue_space(q) < q->high_mark)
f697014a
JK		 10333 netif_stop_queue(priv->net_dev);
10334
227d2dc1 10335 return NETDEV_TX_OK;
43f66a6c 10336
0edd5b44 10337 drop:
43f66a6c
JK		 10338 IPW_DEBUG_DROP("Silently dropping Tx packet.\n");
10339 ieee80211_txb_free(txb);
227d2dc1
JK		 10340 return NETDEV_TX_OK;
10341}
10342
10343static int ipw_net_is_queue_full(struct net_device *dev, int pri)
10344{
10345 struct ipw_priv *priv = ieee80211_priv(dev);
e43e3c1e 10346#ifdef CONFIG_IPW2200_QOS
227d2dc1
JK		 10347 int tx_id = ipw_get_tx_queue_number(priv, pri);
10348 struct clx2_tx_queue *txq = &priv->txq[tx_id];
10349#else
10350 struct clx2_tx_queue *txq = &priv->txq[0];
e43e3c1e 10351#endif /* CONFIG_IPW2200_QOS */
227d2dc1 10352
943dbef4 10353 if (ipw_tx_queue_space(&txq->q) < txq->q.high_mark)
227d2dc1
JK		 10354 return 1;
10355
10356 return 0;
43f66a6c
JK		 10357}
10358
d685b8c2
ZY		 10359#ifdef CONFIG_IPW2200_PROMISCUOUS
10360static void ipw_handle_promiscuous_tx(struct ipw_priv *priv,
10361 struct ieee80211_txb *txb)
10362{
10363 struct ieee80211_rx_stats dummystats;
10364 struct ieee80211_hdr *hdr;
10365 u8 n;
10366 u16 filter = priv->prom_priv->filter;
10367 int hdr_only = 0;
10368
10369 if (filter & IPW_PROM_NO_TX)
10370 return;
10371
10372 memset(&dummystats, 0, sizeof(dummystats));
10373
10374 /* Filtering of fragment chains is done agains the first fragment */
10375 hdr = (void *)txb->fragments[0]->data;
851ca268 10376 if (ieee80211_is_management(le16_to_cpu(hdr->frame_ctl))) {
d685b8c2
ZY		 10377 if (filter & IPW_PROM_NO_MGMT)
10378 return;
10379 if (filter & IPW_PROM_MGMT_HEADER_ONLY)
10380 hdr_only = 1;
851ca268 10381 } else if (ieee80211_is_control(le16_to_cpu(hdr->frame_ctl))) {
d685b8c2
ZY		 10382 if (filter & IPW_PROM_NO_CTL)
10383 return;
10384 if (filter & IPW_PROM_CTL_HEADER_ONLY)
10385 hdr_only = 1;
851ca268 10386 } else if (ieee80211_is_data(le16_to_cpu(hdr->frame_ctl))) {
d685b8c2
ZY		 10387 if (filter & IPW_PROM_NO_DATA)
10388 return;
10389 if (filter & IPW_PROM_DATA_HEADER_ONLY)
10390 hdr_only = 1;
10391 }
10392
10393 for(n=0; n<txb->nr_frags; ++n) {
10394 struct sk_buff *src = txb->fragments[n];
10395 struct sk_buff *dst;
10396 struct ieee80211_radiotap_header *rt_hdr;
10397 int len;
10398
10399 if (hdr_only) {
10400 hdr = (void *)src->data;
851ca268 10401 len = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
d685b8c2
ZY		 10402 } else
10403 len = src->len;
10404
10405 dst = alloc_skb(
10406 len + IEEE80211_RADIOTAP_HDRLEN, GFP_ATOMIC);
10407 if (!dst) continue;
10408
10409 rt_hdr = (void *)skb_put(dst, sizeof(*rt_hdr));
10410
10411 rt_hdr->it_version = PKTHDR_RADIOTAP_VERSION;
10412 rt_hdr->it_pad = 0;
10413 rt_hdr->it_present = 0; /* after all, it's just an idea */
743b84d2 10414 rt_hdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_CHANNEL);
d685b8c2 10415
e62e1ee0 10416 *(__le16*)skb_put(dst, sizeof(u16)) = cpu_to_le16(
d685b8c2
ZY		 10417 ieee80211chan2mhz(priv->channel));
10418 if (priv->channel > 14) /* 802.11a */
e62e1ee0 10419 *(__le16*)skb_put(dst, sizeof(u16)) =
d685b8c2
ZY		 10420 cpu_to_le16(IEEE80211_CHAN_OFDM |
10421 IEEE80211_CHAN_5GHZ);
10422 else if (priv->ieee->mode == IEEE_B) /* 802.11b */
e62e1ee0 10423 *(__le16*)skb_put(dst, sizeof(u16)) =
d685b8c2
ZY		 10424 cpu_to_le16(IEEE80211_CHAN_CCK |
10425 IEEE80211_CHAN_2GHZ);
10426 else /* 802.11g */
e62e1ee0 10427 *(__le16*)skb_put(dst, sizeof(u16)) =
d685b8c2
ZY		 10428 cpu_to_le16(IEEE80211_CHAN_OFDM |
10429 IEEE80211_CHAN_2GHZ);
10430
743b84d2 10431 rt_hdr->it_len = cpu_to_le16(dst->len);
d685b8c2 10432
d626f62b 10433 skb_copy_from_linear_data(src, skb_put(dst, len), len);
d685b8c2
ZY		 10434
10435 if (!ieee80211_rx(priv->prom_priv->ieee, dst, &dummystats))
10436 dev_kfree_skb_any(dst);
10437 }
10438}
10439#endif
10440
43f66a6c 10441static int ipw_net_hard_start_xmit(struct ieee80211_txb *txb,
c8d42d1a 10442 struct net_device *dev, int pri)
43f66a6c
JK		 10443{
10444 struct ipw_priv *priv = ieee80211_priv(dev);
10445 unsigned long flags;
227d2dc1 10446 int ret;
43f66a6c
JK		 10447
10448 IPW_DEBUG_TX("dev->xmit(%d bytes)\n", txb->payload_size);
43f66a6c
JK		 10449 spin_lock_irqsave(&priv->lock, flags);
10450
d685b8c2
ZY		 10451#ifdef CONFIG_IPW2200_PROMISCUOUS
10452 if (rtap_iface && netif_running(priv->prom_net_dev))
10453 ipw_handle_promiscuous_tx(priv, txb);
10454#endif
10455
227d2dc1
JK		 10456 ret = ipw_tx_skb(priv, txb, pri);
10457 if (ret == NETDEV_TX_OK)
10458 __ipw_led_activity_on(priv);
43f66a6c 10459 spin_unlock_irqrestore(&priv->lock, flags);
43f66a6c 10460
227d2dc1 10461 return ret;
43f66a6c
JK		 10462}
10463
10464static struct net_device_stats *ipw_net_get_stats(struct net_device *dev)
10465{
10466 struct ipw_priv *priv = ieee80211_priv(dev);
bf79451e 10467
43f66a6c
JK		 10468 priv->ieee->stats.tx_packets = priv->tx_packets;
10469 priv->ieee->stats.rx_packets = priv->rx_packets;
10470 return &priv->ieee->stats;
10471}
10472
10473static void ipw_net_set_multicast_list(struct net_device *dev)
10474{
10475
10476}
10477
10478static int ipw_net_set_mac_address(struct net_device *dev, void *p)
10479{
10480 struct ipw_priv *priv = ieee80211_priv(dev);
10481 struct sockaddr *addr = p;
0795af57 10482
43f66a6c
JK		 10483 if (!is_valid_ether_addr(addr->sa_data))
10484 return -EADDRNOTAVAIL;
4644151b 10485 mutex_lock(&priv->mutex);
43f66a6c
JK		 10486 priv->config |= CFG_CUSTOM_MAC;
10487 memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN);
e174961c
JB		 10488 printk(KERN_INFO "%s: Setting MAC to %pM\n",
10489 priv->net_dev->name, priv->mac_addr);
a613bffd 10490 queue_work(priv->workqueue, &priv->adapter_restart);
4644151b 10491 mutex_unlock(&priv->mutex);
43f66a6c
JK		 10492 return 0;
10493}
10494
bf79451e 10495static void ipw_ethtool_get_drvinfo(struct net_device *dev,
43f66a6c
JK		 10496 struct ethtool_drvinfo *info)
10497{
10498 struct ipw_priv *p = ieee80211_priv(dev);
10499 char vers[64];
10500 char date[32];
10501 u32 len;
10502
10503 strcpy(info->driver, DRV_NAME);
10504 strcpy(info->version, DRV_VERSION);
10505
10506 len = sizeof(vers);
10507 ipw_get_ordinal(p, IPW_ORD_STAT_FW_VERSION, vers, &len);
10508 len = sizeof(date);
10509 ipw_get_ordinal(p, IPW_ORD_STAT_FW_DATE, date, &len);
10510
0edd5b44 10511 snprintf(info->fw_version, sizeof(info->fw_version), "%s (%s)",
43f66a6c
JK		 10512 vers, date);
10513 strcpy(info->bus_info, pci_name(p->pci_dev));
b095c381 10514 info->eedump_len = IPW_EEPROM_IMAGE_SIZE;
43f66a6c
JK		 10515}
10516
10517static u32 ipw_ethtool_get_link(struct net_device *dev)
10518{
10519 struct ipw_priv *priv = ieee80211_priv(dev);
10520 return (priv->status & STATUS_ASSOCIATED) != 0;
10521}
10522
10523static int ipw_ethtool_get_eeprom_len(struct net_device *dev)
10524{
b095c381 10525 return IPW_EEPROM_IMAGE_SIZE;
43f66a6c
JK		 10526}
10527
10528static int ipw_ethtool_get_eeprom(struct net_device *dev,
0edd5b44 10529 struct ethtool_eeprom *eeprom, u8 * bytes)
43f66a6c
JK		 10530{
10531 struct ipw_priv *p = ieee80211_priv(dev);
10532
b095c381 10533 if (eeprom->offset + eeprom->len > IPW_EEPROM_IMAGE_SIZE)
43f66a6c 10534 return -EINVAL;
4644151b 10535 mutex_lock(&p->mutex);
afbf30a2 10536 memcpy(bytes, &p->eeprom[eeprom->offset], eeprom->len);
4644151b 10537 mutex_unlock(&p->mutex);
43f66a6c
JK		 10538 return 0;
10539}
10540
10541static int ipw_ethtool_set_eeprom(struct net_device *dev,
0edd5b44 10542 struct ethtool_eeprom *eeprom, u8 * bytes)
43f66a6c
JK		 10543{
10544 struct ipw_priv *p = ieee80211_priv(dev);
10545 int i;
10546
b095c381 10547 if (eeprom->offset + eeprom->len > IPW_EEPROM_IMAGE_SIZE)
43f66a6c 10548 return -EINVAL;
4644151b 10549 mutex_lock(&p->mutex);
afbf30a2 10550 memcpy(&p->eeprom[eeprom->offset], bytes, eeprom->len);
71e585fc
AB		 10551 for (i = 0; i < IPW_EEPROM_IMAGE_SIZE; i++)
10552 ipw_write8(p, i + IPW_EEPROM_DATA, p->eeprom[i]);
4644151b 10553 mutex_unlock(&p->mutex);
43f66a6c
JK		 10554 return 0;
10555}
10556
7282d491 10557static const struct ethtool_ops ipw_ethtool_ops = {
ea2b26e0
JK		 10558 .get_link = ipw_ethtool_get_link,
10559 .get_drvinfo = ipw_ethtool_get_drvinfo,
10560 .get_eeprom_len = ipw_ethtool_get_eeprom_len,
10561 .get_eeprom = ipw_ethtool_get_eeprom,
10562 .set_eeprom = ipw_ethtool_set_eeprom,
43f66a6c
JK		 10563};
10564
7d12e780 10565static irqreturn_t ipw_isr(int irq, void *data)
43f66a6c
JK		 10566{
10567 struct ipw_priv *priv = data;
10568 u32 inta, inta_mask;
bf79451e 10569
43f66a6c
JK		 10570 if (!priv)
10571 return IRQ_NONE;
10572
89c318ed 10573 spin_lock(&priv->irq_lock);
43f66a6c
JK		 10574
10575 if (!(priv->status & STATUS_INT_ENABLED)) {
d00d0121 10576 /* IRQ is disabled */
43f66a6c
JK		 10577 goto none;
10578 }
10579
b095c381
JK		 10580 inta = ipw_read32(priv, IPW_INTA_RW);
10581 inta_mask = ipw_read32(priv, IPW_INTA_MASK_R);
bf79451e 10582
43f66a6c
JK		 10583 if (inta == 0xFFFFFFFF) {
10584 /* Hardware disappeared */
10585 IPW_WARNING("IRQ INTA == 0xFFFFFFFF\n");
10586 goto none;
10587 }
10588
b095c381 10589 if (!(inta & (IPW_INTA_MASK_ALL & inta_mask))) {
43f66a6c
JK		 10590 /* Shared interrupt */
10591 goto none;
10592 }
10593
10594 /* tell the device to stop sending interrupts */
89c318ed 10595 __ipw_disable_interrupts(priv);
bf79451e 10596
43f66a6c 10597 /* ack current interrupts */
b095c381
JK		 10598 inta &= (IPW_INTA_MASK_ALL & inta_mask);
10599 ipw_write32(priv, IPW_INTA_RW, inta);
bf79451e 10600
43f66a6c
JK		 10601 /* Cache INTA value for our tasklet */
10602 priv->isr_inta = inta;
10603
10604 tasklet_schedule(&priv->irq_tasklet);
10605
89c318ed 10606 spin_unlock(&priv->irq_lock);
43f66a6c
JK		 10607
10608 return IRQ_HANDLED;
0edd5b44 10609 none:
89c318ed 10610 spin_unlock(&priv->irq_lock);
43f66a6c
JK		 10611 return IRQ_NONE;
10612}
10613
10614static void ipw_rf_kill(void *adapter)
10615{
10616 struct ipw_priv *priv = adapter;
10617 unsigned long flags;
bf79451e 10618
43f66a6c
JK		 10619 spin_lock_irqsave(&priv->lock, flags);
10620
10621 if (rf_kill_active(priv)) {
10622 IPW_DEBUG_RF_KILL("RF Kill active, rescheduling GPIO check\n");
10623 if (priv->workqueue)
10624 queue_delayed_work(priv->workqueue,
10625 &priv->rf_kill, 2 * HZ);
10626 goto exit_unlock;
10627 }
10628
10629 /* RF Kill is now disabled, so bring the device back up */
10630
10631 if (!(priv->status & STATUS_RF_KILL_MASK)) {
10632 IPW_DEBUG_RF_KILL("HW RF Kill no longer active, restarting "
10633 "device\n");
10634
10635 /* we can not do an adapter restart while inside an irq lock */
10636 queue_work(priv->workqueue, &priv->adapter_restart);
bf79451e 10637 } else
43f66a6c
JK		 10638 IPW_DEBUG_RF_KILL("HW RF Kill deactivated. SW RF Kill still "
10639 "enabled\n");
10640
0edd5b44 10641 exit_unlock:
43f66a6c
JK		 10642 spin_unlock_irqrestore(&priv->lock, flags);
10643}
10644
c4028958 10645static void ipw_bg_rf_kill(struct work_struct *work)
c848d0af 10646{
c4028958
DH		 10647 struct ipw_priv *priv =
10648 container_of(work, struct ipw_priv, rf_kill.work);
4644151b 10649 mutex_lock(&priv->mutex);
c4028958 10650 ipw_rf_kill(priv);
4644151b 10651 mutex_unlock(&priv->mutex);
c848d0af
JK		 10652}
10653
a73e22b2 10654static void ipw_link_up(struct ipw_priv *priv)
a613bffd 10655{
afbf30a2
JK		 10656 priv->last_seq_num = -1;
10657 priv->last_frag_num = -1;
10658 priv->last_packet_time = 0;
10659
a613bffd 10660 netif_carrier_on(priv->net_dev);
a613bffd 10661
c848d0af 10662 cancel_delayed_work(&priv->request_scan);
ea177305
DW		 10663 cancel_delayed_work(&priv->request_direct_scan);
10664 cancel_delayed_work(&priv->request_passive_scan);
0b531676 10665 cancel_delayed_work(&priv->scan_event);
a613bffd
JK		 10666 ipw_reset_stats(priv);
10667 /* Ensure the rate is updated immediately */
10668 priv->last_rate = ipw_get_current_rate(priv);
10669 ipw_gather_stats(priv);
10670 ipw_led_link_up(priv);
10671 notify_wx_assoc_event(priv);
10672
10673 if (priv->config & CFG_BACKGROUND_SCAN)
10674 queue_delayed_work(priv->workqueue, &priv->request_scan, HZ);
10675}
10676
c4028958 10677static void ipw_bg_link_up(struct work_struct *work)
c848d0af 10678{
c4028958
DH		 10679 struct ipw_priv *priv =
10680 container_of(work, struct ipw_priv, link_up);
4644151b 10681 mutex_lock(&priv->mutex);
c4028958 10682 ipw_link_up(priv);
4644151b 10683 mutex_unlock(&priv->mutex);
c848d0af
JK		 10684}
10685
a73e22b2 10686static void ipw_link_down(struct ipw_priv *priv)
a613bffd
JK		 10687{
10688 ipw_led_link_down(priv);
10689 netif_carrier_off(priv->net_dev);
a613bffd
JK		 10690 notify_wx_assoc_event(priv);
10691
10692 /* Cancel any queued work ... */
10693 cancel_delayed_work(&priv->request_scan);
ea177305
DW		 10694 cancel_delayed_work(&priv->request_direct_scan);
10695 cancel_delayed_work(&priv->request_passive_scan);
a613bffd
JK		 10696 cancel_delayed_work(&priv->adhoc_check);
10697 cancel_delayed_work(&priv->gather_stats);
10698
10699 ipw_reset_stats(priv);
10700
afbf30a2
JK		 10701 if (!(priv->status & STATUS_EXIT_PENDING)) {
10702 /* Queue up another scan... */
c4028958 10703 queue_delayed_work(priv->workqueue, &priv->request_scan, 0);
0b531676
DW		 10704 } else
10705 cancel_delayed_work(&priv->scan_event);
a613bffd
JK		 10706}
10707
c4028958 10708static void ipw_bg_link_down(struct work_struct *work)
c848d0af 10709{
c4028958
DH		 10710 struct ipw_priv *priv =
10711 container_of(work, struct ipw_priv, link_down);
4644151b 10712 mutex_lock(&priv->mutex);
c4028958 10713 ipw_link_down(priv);
4644151b 10714 mutex_unlock(&priv->mutex);
43f66a6c
JK		 10715}
10716
2ef19e63 10717static int __devinit ipw_setup_deferred_work(struct ipw_priv *priv)
43f66a6c
JK		 10718{
10719 int ret = 0;
10720
43f66a6c 10721 priv->workqueue = create_workqueue(DRV_NAME);
43f66a6c 10722 init_waitqueue_head(&priv->wait_command_queue);
afbf30a2 10723 init_waitqueue_head(&priv->wait_state);
43f66a6c 10724
c4028958
DH		 10725 INIT_DELAYED_WORK(&priv->adhoc_check, ipw_bg_adhoc_check);
10726 INIT_WORK(&priv->associate, ipw_bg_associate);
10727 INIT_WORK(&priv->disassociate, ipw_bg_disassociate);
10728 INIT_WORK(&priv->system_config, ipw_system_config);
10729 INIT_WORK(&priv->rx_replenish, ipw_bg_rx_queue_replenish);
10730 INIT_WORK(&priv->adapter_restart, ipw_bg_adapter_restart);
10731 INIT_DELAYED_WORK(&priv->rf_kill, ipw_bg_rf_kill);
10732 INIT_WORK(&priv->up, ipw_bg_up);
10733 INIT_WORK(&priv->down, ipw_bg_down);
10734 INIT_DELAYED_WORK(&priv->request_scan, ipw_request_scan);
ea177305
DW		 10735 INIT_DELAYED_WORK(&priv->request_direct_scan, ipw_request_direct_scan);
10736 INIT_DELAYED_WORK(&priv->request_passive_scan, ipw_request_passive_scan);
0b531676 10737 INIT_DELAYED_WORK(&priv->scan_event, ipw_scan_event);
c4028958
DH		 10738 INIT_DELAYED_WORK(&priv->gather_stats, ipw_bg_gather_stats);
10739 INIT_WORK(&priv->abort_scan, ipw_bg_abort_scan);
10740 INIT_WORK(&priv->roam, ipw_bg_roam);
10741 INIT_DELAYED_WORK(&priv->scan_check, ipw_bg_scan_check);
10742 INIT_WORK(&priv->link_up, ipw_bg_link_up);
10743 INIT_WORK(&priv->link_down, ipw_bg_link_down);
10744 INIT_DELAYED_WORK(&priv->led_link_on, ipw_bg_led_link_on);
10745 INIT_DELAYED_WORK(&priv->led_link_off, ipw_bg_led_link_off);
10746 INIT_DELAYED_WORK(&priv->led_act_off, ipw_bg_led_activity_off);
10747 INIT_WORK(&priv->merge_networks, ipw_merge_adhoc_network);
43f66a6c 10748
e43e3c1e 10749#ifdef CONFIG_IPW2200_QOS
c4028958 10750 INIT_WORK(&priv->qos_activate, ipw_bg_qos_activate);
e43e3c1e 10751#endif /* CONFIG_IPW2200_QOS */
43f66a6c
JK		 10752
10753 tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
10754 ipw_irq_tasklet, (unsigned long)priv);
10755
10756 return ret;
10757}
10758
43f66a6c
JK		 10759static void shim__set_security(struct net_device *dev,
10760 struct ieee80211_security *sec)
10761{
10762 struct ipw_priv *priv = ieee80211_priv(dev);
10763 int i;
bf79451e 10764 for (i = 0; i < 4; i++) {
43f66a6c 10765 if (sec->flags & (1 << i)) {
afbf30a2 10766 priv->ieee->sec.encode_alg[i] = sec->encode_alg[i];
b095c381 10767 priv->ieee->sec.key_sizes[i] = sec->key_sizes[i];
43f66a6c 10768 if (sec->key_sizes[i] == 0)
b095c381
JK		 10769 priv->ieee->sec.flags &= ~(1 << i);
10770 else {
10771 memcpy(priv->ieee->sec.keys[i], sec->keys[i],
43f66a6c 10772 sec->key_sizes[i]);
b095c381
JK		 10773 priv->ieee->sec.flags |= (1 << i);
10774 }
43f66a6c 10775 priv->status |= STATUS_SECURITY_UPDATED;
b095c381
JK		 10776 } else if (sec->level != SEC_LEVEL_1)
10777 priv->ieee->sec.flags &= ~(1 << i);
43f66a6c
JK		 10778 }
10779
b095c381 10780 if (sec->flags & SEC_ACTIVE_KEY) {
43f66a6c 10781 if (sec->active_key <= 3) {
b095c381
JK		 10782 priv->ieee->sec.active_key = sec->active_key;
10783 priv->ieee->sec.flags |= SEC_ACTIVE_KEY;
bf79451e 10784 } else
b095c381 10785 priv->ieee->sec.flags &= ~SEC_ACTIVE_KEY;
43f66a6c 10786 priv->status |= STATUS_SECURITY_UPDATED;
b095c381
JK		 10787 } else
10788 priv->ieee->sec.flags &= ~SEC_ACTIVE_KEY;
43f66a6c
JK		 10789
10790 if ((sec->flags & SEC_AUTH_MODE) &&
b095c381
JK		 10791 (priv->ieee->sec.auth_mode != sec->auth_mode)) {
10792 priv->ieee->sec.auth_mode = sec->auth_mode;
10793 priv->ieee->sec.flags |= SEC_AUTH_MODE;
43f66a6c
JK		 10794 if (sec->auth_mode == WLAN_AUTH_SHARED_KEY)
10795 priv->capability |= CAP_SHARED_KEY;
10796 else
10797 priv->capability &= ~CAP_SHARED_KEY;
10798 priv->status |= STATUS_SECURITY_UPDATED;
10799 }
bf79451e 10800
b095c381
JK		 10801 if (sec->flags & SEC_ENABLED && priv->ieee->sec.enabled != sec->enabled) {
10802 priv->ieee->sec.flags |= SEC_ENABLED;
10803 priv->ieee->sec.enabled = sec->enabled;
43f66a6c 10804 priv->status |= STATUS_SECURITY_UPDATED;
bf79451e 10805 if (sec->enabled)
43f66a6c
JK		 10806 priv->capability |= CAP_PRIVACY_ON;
10807 else
10808 priv->capability &= ~CAP_PRIVACY_ON;
10809 }
bf79451e 10810
afbf30a2
JK		 10811 if (sec->flags & SEC_ENCRYPT)
10812 priv->ieee->sec.encrypt = sec->encrypt;
bf79451e 10813
b095c381
JK		 10814 if (sec->flags & SEC_LEVEL && priv->ieee->sec.level != sec->level) {
10815 priv->ieee->sec.level = sec->level;
10816 priv->ieee->sec.flags |= SEC_LEVEL;
43f66a6c
JK		 10817 priv->status |= STATUS_SECURITY_UPDATED;
10818 }
10819
1fbfea54
ZY		 10820 if (!priv->ieee->host_encrypt && (sec->flags & SEC_ENCRYPT))
10821 ipw_set_hwcrypto_keys(priv);
10822
bf79451e
JG		 10823 /* To match current functionality of ipw2100 (which works well w/
10824 * various supplicants, we don't force a disassociate if the
43f66a6c
JK		 10825 * privacy capability changes ... */
10826#if 0
10827 if ((priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) &&
bf79451e 10828 (((priv->assoc_request.capability &
5b5e807f 10829 cpu_to_le16(WLAN_CAPABILITY_PRIVACY)) && !sec->enabled) ||
bf79451e 10830 (!(priv->assoc_request.capability &
5b5e807f 10831 cpu_to_le16(WLAN_CAPABILITY_PRIVACY)) && sec->enabled))) {
43f66a6c
JK		 10832 IPW_DEBUG_ASSOC("Disassociating due to capability "
10833 "change.\n");
10834 ipw_disassociate(priv);
10835 }
10836#endif
10837}
10838
bf79451e 10839static int init_supported_rates(struct ipw_priv *priv,
43f66a6c
JK		 10840 struct ipw_supported_rates *rates)
10841{
10842 /* TODO: Mask out rates based on priv->rates_mask */
10843
10844 memset(rates, 0, sizeof(*rates));
0edd5b44 10845 /* configure supported rates */
43f66a6c
JK		 10846 switch (priv->ieee->freq_band) {
10847 case IEEE80211_52GHZ_BAND:
10848 rates->ieee_mode = IPW_A_MODE;
10849 rates->purpose = IPW_RATE_CAPABILITIES;
10850 ipw_add_ofdm_scan_rates(rates, IEEE80211_CCK_MODULATION,
10851 IEEE80211_OFDM_DEFAULT_RATES_MASK);
10852 break;
10853
0edd5b44 10854 default: /* Mixed or 2.4Ghz */
43f66a6c
JK		 10855 rates->ieee_mode = IPW_G_MODE;
10856 rates->purpose = IPW_RATE_CAPABILITIES;
10857 ipw_add_cck_scan_rates(rates, IEEE80211_CCK_MODULATION,
10858 IEEE80211_CCK_DEFAULT_RATES_MASK);
10859 if (priv->ieee->modulation & IEEE80211_OFDM_MODULATION) {
10860 ipw_add_ofdm_scan_rates(rates, IEEE80211_CCK_MODULATION,
10861 IEEE80211_OFDM_DEFAULT_RATES_MASK);
10862 }
10863 break;
10864 }
10865
10866 return 0;
10867}
10868
bf79451e 10869static int ipw_config(struct ipw_priv *priv)
43f66a6c 10870{
43f66a6c
JK		 10871 /* This is only called from ipw_up, which resets/reloads the firmware
10872 so, we don't need to first disable the card before we configure
10873 it */
6de9f7f2 10874 if (ipw_set_tx_power(priv))
43f66a6c
JK		 10875 goto error;
10876
10877 /* initialize adapter address */
10878 if (ipw_send_adapter_address(priv, priv->net_dev->dev_addr))
10879 goto error;
10880
10881 /* set basic system config settings */
10882 init_sys_config(&priv->sys_config);
810dabd4
ZY		 10883
10884 /* Support Bluetooth if we have BT h/w on board, and user wants to.
10885 * Does not support BT priority yet (don't abort or defer our Tx) */
10886 if (bt_coexist) {
2638bc39 10887 unsigned char bt_caps = priv->eeprom[EEPROM_SKU_CAPABILITY];
810dabd4
ZY		 10888
10889 if (bt_caps & EEPROM_SKU_CAP_BT_CHANNEL_SIG)
10890 priv->sys_config.bt_coexistence
2638bc39 10891 |= CFG_BT_COEXISTENCE_SIGNAL_CHNL;
810dabd4
ZY		 10892 if (bt_caps & EEPROM_SKU_CAP_BT_OOB)
10893 priv->sys_config.bt_coexistence
2638bc39 10894 |= CFG_BT_COEXISTENCE_OOB;
810dabd4
ZY		 10895 }
10896
d685b8c2
ZY		 10897#ifdef CONFIG_IPW2200_PROMISCUOUS
10898 if (priv->prom_net_dev && netif_running(priv->prom_net_dev)) {
10899 priv->sys_config.accept_all_data_frames = 1;
10900 priv->sys_config.accept_non_directed_frames = 1;
10901 priv->sys_config.accept_all_mgmt_bcpr = 1;
10902 priv->sys_config.accept_all_mgmt_frames = 1;
10903 }
10904#endif
10905
c848d0af
JK		 10906 if (priv->ieee->iw_mode == IW_MODE_ADHOC)
10907 priv->sys_config.answer_broadcast_ssid_probe = 1;
10908 else
10909 priv->sys_config.answer_broadcast_ssid_probe = 0;
10910
d685b8c2 10911 if (ipw_send_system_config(priv))
43f66a6c
JK		 10912 goto error;
10913
0edd5b44
JG		 10914 init_supported_rates(priv, &priv->rates);
10915 if (ipw_send_supported_rates(priv, &priv->rates))
43f66a6c
JK		 10916 goto error;
10917
10918 /* Set request-to-send threshold */
10919 if (priv->rts_threshold) {
10920 if (ipw_send_rts_threshold(priv, priv->rts_threshold))
10921 goto error;
10922 }
e43e3c1e 10923#ifdef CONFIG_IPW2200_QOS
b095c381
JK		 10924 IPW_DEBUG_QOS("QoS: call ipw_qos_activate\n");
10925 ipw_qos_activate(priv, NULL);
e43e3c1e 10926#endif /* CONFIG_IPW2200_QOS */
43f66a6c
JK		 10927
10928 if (ipw_set_random_seed(priv))
10929 goto error;
bf79451e 10930
43f66a6c
JK		 10931 /* final state transition to the RUN state */
10932 if (ipw_send_host_complete(priv))
10933 goto error;
10934
e666619e
JK		 10935 priv->status |= STATUS_INIT;
10936
10937 ipw_led_init(priv);
10938 ipw_led_radio_on(priv);
10939 priv->notif_missed_beacons = 0;
10940
10941 /* Set hardware WEP key if it is configured. */
10942 if ((priv->capability & CAP_PRIVACY_ON) &&
10943 (priv->ieee->sec.level == SEC_LEVEL_1) &&
10944 !(priv->ieee->host_encrypt || priv->ieee->host_decrypt))
10945 ipw_set_hwcrypto_keys(priv);
43f66a6c
JK		 10946
10947 return 0;
bf79451e 10948
0edd5b44 10949 error:
43f66a6c
JK		 10950 return -EIO;
10951}
10952
4f36f808
JK		 10953/*
10954 * NOTE:
10955 *
10956 * These tables have been tested in conjunction with the
10957 * Intel PRO/Wireless 2200BG and 2915ABG Network Connection Adapters.
10958 *
10959 * Altering this values, using it on other hardware, or in geographies
10960 * not intended for resale of the above mentioned Intel adapters has
10961 * not been tested.
10962 *
48a84770
HBA		 10963 * Remember to update the table in README.ipw2200 when changing this
10964 * table.
10965 *
4f36f808
JK		 10966 */
10967static const struct ieee80211_geo ipw_geos[] = {
10968 { /* Restricted */
10969 "---",
10970 .bg_channels = 11,
10971 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
10972 {2427, 4}, {2432, 5}, {2437, 6},
10973 {2442, 7}, {2447, 8}, {2452, 9},
10974 {2457, 10}, {2462, 11}},
10975 },
10976
10977 { /* Custom US/Canada */
10978 "ZZF",
10979 .bg_channels = 11,
10980 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
10981 {2427, 4}, {2432, 5}, {2437, 6},
10982 {2442, 7}, {2447, 8}, {2452, 9},
10983 {2457, 10}, {2462, 11}},
10984 .a_channels = 8,
10985 .a = {{5180, 36},
10986 {5200, 40},
10987 {5220, 44},
10988 {5240, 48},
10989 {5260, 52, IEEE80211_CH_PASSIVE_ONLY},
10990 {5280, 56, IEEE80211_CH_PASSIVE_ONLY},
10991 {5300, 60, IEEE80211_CH_PASSIVE_ONLY},
10992 {5320, 64, IEEE80211_CH_PASSIVE_ONLY}},
10993 },
10994
10995 { /* Rest of World */
10996 "ZZD",
10997 .bg_channels = 13,
10998 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
10999 {2427, 4}, {2432, 5}, {2437, 6},
11000 {2442, 7}, {2447, 8}, {2452, 9},
11001 {2457, 10}, {2462, 11}, {2467, 12},
11002 {2472, 13}},
11003 },
11004
11005 { /* Custom USA & Europe & High */
11006 "ZZA",
11007 .bg_channels = 11,
11008 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
11009 {2427, 4}, {2432, 5}, {2437, 6},
11010 {2442, 7}, {2447, 8}, {2452, 9},
11011 {2457, 10}, {2462, 11}},
11012 .a_channels = 13,
11013 .a = {{5180, 36},
11014 {5200, 40},
11015 {5220, 44},
11016 {5240, 48},
11017 {5260, 52, IEEE80211_CH_PASSIVE_ONLY},
11018 {5280, 56, IEEE80211_CH_PASSIVE_ONLY},
11019 {5300, 60, IEEE80211_CH_PASSIVE_ONLY},
11020 {5320, 64, IEEE80211_CH_PASSIVE_ONLY},
11021 {5745, 149},
11022 {5765, 153},
11023 {5785, 157},
11024 {5805, 161},
11025 {5825, 165}},
11026 },
11027
11028 { /* Custom NA & Europe */
11029 "ZZB",
11030 .bg_channels = 11,
11031 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
11032 {2427, 4}, {2432, 5}, {2437, 6},
11033 {2442, 7}, {2447, 8}, {2452, 9},
11034 {2457, 10}, {2462, 11}},
11035 .a_channels = 13,
11036 .a = {{5180, 36},
11037 {5200, 40},
11038 {5220, 44},
11039 {5240, 48},
11040 {5260, 52, IEEE80211_CH_PASSIVE_ONLY},
11041 {5280, 56, IEEE80211_CH_PASSIVE_ONLY},
11042 {5300, 60, IEEE80211_CH_PASSIVE_ONLY},
11043 {5320, 64, IEEE80211_CH_PASSIVE_ONLY},
11044 {5745, 149, IEEE80211_CH_PASSIVE_ONLY},
11045 {5765, 153, IEEE80211_CH_PASSIVE_ONLY},
11046 {5785, 157, IEEE80211_CH_PASSIVE_ONLY},
11047 {5805, 161, IEEE80211_CH_PASSIVE_ONLY},
11048 {5825, 165, IEEE80211_CH_PASSIVE_ONLY}},
11049 },
11050
11051 { /* Custom Japan */
11052 "ZZC",
11053 .bg_channels = 11,
11054 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
11055 {2427, 4}, {2432, 5}, {2437, 6},
11056 {2442, 7}, {2447, 8}, {2452, 9},
11057 {2457, 10}, {2462, 11}},
11058 .a_channels = 4,
11059 .a = {{5170, 34}, {5190, 38},
11060 {5210, 42}, {5230, 46}},
11061 },
11062
11063 { /* Custom */
11064 "ZZM",
11065 .bg_channels = 11,
11066 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
11067 {2427, 4}, {2432, 5}, {2437, 6},
11068 {2442, 7}, {2447, 8}, {2452, 9},
11069 {2457, 10}, {2462, 11}},
11070 },
11071
11072 { /* Europe */
11073 "ZZE",
11074 .bg_channels = 13,
11075 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
11076 {2427, 4}, {2432, 5}, {2437, 6},
11077 {2442, 7}, {2447, 8}, {2452, 9},
11078 {2457, 10}, {2462, 11}, {2467, 12},
11079 {2472, 13}},
11080 .a_channels = 19,
11081 .a = {{5180, 36},
11082 {5200, 40},
11083 {5220, 44},
11084 {5240, 48},
11085 {5260, 52, IEEE80211_CH_PASSIVE_ONLY},
11086 {5280, 56, IEEE80211_CH_PASSIVE_ONLY},
11087 {5300, 60, IEEE80211_CH_PASSIVE_ONLY},
11088 {5320, 64, IEEE80211_CH_PASSIVE_ONLY},
11089 {5500, 100, IEEE80211_CH_PASSIVE_ONLY},
11090 {5520, 104, IEEE80211_CH_PASSIVE_ONLY},
11091 {5540, 108, IEEE80211_CH_PASSIVE_ONLY},
11092 {5560, 112, IEEE80211_CH_PASSIVE_ONLY},
11093 {5580, 116, IEEE80211_CH_PASSIVE_ONLY},
11094 {5600, 120, IEEE80211_CH_PASSIVE_ONLY},
11095 {5620, 124, IEEE80211_CH_PASSIVE_ONLY},
11096 {5640, 128, IEEE80211_CH_PASSIVE_ONLY},
11097 {5660, 132, IEEE80211_CH_PASSIVE_ONLY},
11098 {5680, 136, IEEE80211_CH_PASSIVE_ONLY},
11099 {5700, 140, IEEE80211_CH_PASSIVE_ONLY}},
11100 },
11101
11102 { /* Custom Japan */
11103 "ZZJ",
11104 .bg_channels = 14,
11105 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
11106 {2427, 4}, {2432, 5}, {2437, 6},
11107 {2442, 7}, {2447, 8}, {2452, 9},
11108 {2457, 10}, {2462, 11}, {2467, 12},
11109 {2472, 13}, {2484, 14, IEEE80211_CH_B_ONLY}},
11110 .a_channels = 4,
11111 .a = {{5170, 34}, {5190, 38},
11112 {5210, 42}, {5230, 46}},
11113 },
11114
03520576
JK		 11115 { /* Rest of World */
11116 "ZZR",
11117 .bg_channels = 14,
11118 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
11119 {2427, 4}, {2432, 5}, {2437, 6},
11120 {2442, 7}, {2447, 8}, {2452, 9},
11121 {2457, 10}, {2462, 11}, {2467, 12},
11122 {2472, 13}, {2484, 14, IEEE80211_CH_B_ONLY |
11123 IEEE80211_CH_PASSIVE_ONLY}},
11124 },
11125
4f36f808
JK		 11126 { /* High Band */
11127 "ZZH",
11128 .bg_channels = 13,
11129 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
11130 {2427, 4}, {2432, 5}, {2437, 6},
11131 {2442, 7}, {2447, 8}, {2452, 9},
11132 {2457, 10}, {2462, 11},
11133 {2467, 12, IEEE80211_CH_PASSIVE_ONLY},
11134 {2472, 13, IEEE80211_CH_PASSIVE_ONLY}},
11135 .a_channels = 4,
11136 .a = {{5745, 149}, {5765, 153},
11137 {5785, 157}, {5805, 161}},
11138 },
11139
11140 { /* Custom Europe */
11141 "ZZG",
11142 .bg_channels = 13,
11143 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
11144 {2427, 4}, {2432, 5}, {2437, 6},
11145 {2442, 7}, {2447, 8}, {2452, 9},
11146 {2457, 10}, {2462, 11},
11147 {2467, 12}, {2472, 13}},
11148 .a_channels = 4,
11149 .a = {{5180, 36}, {5200, 40},
11150 {5220, 44}, {5240, 48}},
11151 },
11152
11153 { /* Europe */
11154 "ZZK",
11155 .bg_channels = 13,
11156 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
11157 {2427, 4}, {2432, 5}, {2437, 6},
11158 {2442, 7}, {2447, 8}, {2452, 9},
11159 {2457, 10}, {2462, 11},
11160 {2467, 12, IEEE80211_CH_PASSIVE_ONLY},
11161 {2472, 13, IEEE80211_CH_PASSIVE_ONLY}},
11162 .a_channels = 24,
11163 .a = {{5180, 36, IEEE80211_CH_PASSIVE_ONLY},
11164 {5200, 40, IEEE80211_CH_PASSIVE_ONLY},
11165 {5220, 44, IEEE80211_CH_PASSIVE_ONLY},
11166 {5240, 48, IEEE80211_CH_PASSIVE_ONLY},
11167 {5260, 52, IEEE80211_CH_PASSIVE_ONLY},
11168 {5280, 56, IEEE80211_CH_PASSIVE_ONLY},
11169 {5300, 60, IEEE80211_CH_PASSIVE_ONLY},
11170 {5320, 64, IEEE80211_CH_PASSIVE_ONLY},
11171 {5500, 100, IEEE80211_CH_PASSIVE_ONLY},
11172 {5520, 104, IEEE80211_CH_PASSIVE_ONLY},
11173 {5540, 108, IEEE80211_CH_PASSIVE_ONLY},
11174 {5560, 112, IEEE80211_CH_PASSIVE_ONLY},
11175 {5580, 116, IEEE80211_CH_PASSIVE_ONLY},
11176 {5600, 120, IEEE80211_CH_PASSIVE_ONLY},
11177 {5620, 124, IEEE80211_CH_PASSIVE_ONLY},
11178 {5640, 128, IEEE80211_CH_PASSIVE_ONLY},
11179 {5660, 132, IEEE80211_CH_PASSIVE_ONLY},
11180 {5680, 136, IEEE80211_CH_PASSIVE_ONLY},
11181 {5700, 140, IEEE80211_CH_PASSIVE_ONLY},
11182 {5745, 149, IEEE80211_CH_PASSIVE_ONLY},
11183 {5765, 153, IEEE80211_CH_PASSIVE_ONLY},
11184 {5785, 157, IEEE80211_CH_PASSIVE_ONLY},
11185 {5805, 161, IEEE80211_CH_PASSIVE_ONLY},
11186 {5825, 165, IEEE80211_CH_PASSIVE_ONLY}},
11187 },
11188
11189 { /* Europe */
11190 "ZZL",
11191 .bg_channels = 11,
11192 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
11193 {2427, 4}, {2432, 5}, {2437, 6},
11194 {2442, 7}, {2447, 8}, {2452, 9},
11195 {2457, 10}, {2462, 11}},
11196 .a_channels = 13,
11197 .a = {{5180, 36, IEEE80211_CH_PASSIVE_ONLY},
11198 {5200, 40, IEEE80211_CH_PASSIVE_ONLY},
11199 {5220, 44, IEEE80211_CH_PASSIVE_ONLY},
11200 {5240, 48, IEEE80211_CH_PASSIVE_ONLY},
11201 {5260, 52, IEEE80211_CH_PASSIVE_ONLY},
11202 {5280, 56, IEEE80211_CH_PASSIVE_ONLY},
11203 {5300, 60, IEEE80211_CH_PASSIVE_ONLY},
11204 {5320, 64, IEEE80211_CH_PASSIVE_ONLY},
11205 {5745, 149, IEEE80211_CH_PASSIVE_ONLY},
11206 {5765, 153, IEEE80211_CH_PASSIVE_ONLY},
11207 {5785, 157, IEEE80211_CH_PASSIVE_ONLY},
11208 {5805, 161, IEEE80211_CH_PASSIVE_ONLY},
11209 {5825, 165, IEEE80211_CH_PASSIVE_ONLY}},
11210 }
afbf30a2
JK		 11211};
11212
43f66a6c
JK		 11213#define MAX_HW_RESTARTS 5
11214static int ipw_up(struct ipw_priv *priv)
11215{
4f36f808 11216 int rc, i, j;
43f66a6c
JK		 11217
11218 if (priv->status & STATUS_EXIT_PENDING)
11219 return -EIO;
11220
f6c5cb7c 11221 if (cmdlog && !priv->cmdlog) {
e6e3f12a 11222 priv->cmdlog = kcalloc(cmdlog, sizeof(*priv->cmdlog),
f6c5cb7c
JK		 11223 GFP_KERNEL);
11224 if (priv->cmdlog == NULL) {
11225 IPW_ERROR("Error allocating %d command log entries.\n",
11226 cmdlog);
d0b526b7 11227 return -ENOMEM;
f6c5cb7c 11228 } else {
f6c5cb7c
JK		 11229 priv->cmdlog_len = cmdlog;
11230 }
11231 }
11232
0edd5b44 11233 for (i = 0; i < MAX_HW_RESTARTS; i++) {
bf79451e 11234 /* Load the microcode, firmware, and eeprom.
43f66a6c
JK		 11235 * Also start the clocks. */
11236 rc = ipw_load(priv);
11237 if (rc) {
a4f6bbb3 11238 IPW_ERROR("Unable to load firmware: %d\n", rc);
43f66a6c
JK		 11239 return rc;
11240 }
11241
11242 ipw_init_ordinals(priv);
11243 if (!(priv->config & CFG_CUSTOM_MAC))
11244 eeprom_parse_mac(priv, priv->mac_addr);
11245 memcpy(priv->net_dev->dev_addr, priv->mac_addr, ETH_ALEN);
11246
4f36f808
JK		 11247 for (j = 0; j < ARRAY_SIZE(ipw_geos); j++) {
11248 if (!memcmp(&priv->eeprom[EEPROM_COUNTRY_CODE],
11249 ipw_geos[j].name, 3))
11250 break;
11251 }
03520576
JK		 11252 if (j == ARRAY_SIZE(ipw_geos)) {
11253 IPW_WARNING("SKU [%c%c%c] not recognized.\n",
11254 priv->eeprom[EEPROM_COUNTRY_CODE + 0],
11255 priv->eeprom[EEPROM_COUNTRY_CODE + 1],
11256 priv->eeprom[EEPROM_COUNTRY_CODE + 2]);
4f36f808 11257 j = 0;
03520576 11258 }
1867b117 11259 if (ieee80211_set_geo(priv->ieee, &ipw_geos[j])) {
4f36f808
JK		 11260 IPW_WARNING("Could not set geography.");
11261 return 0;
11262 }
11263
b095c381
JK		 11264 if (priv->status & STATUS_RF_KILL_SW) {
11265 IPW_WARNING("Radio disabled by module parameter.\n");
11266 return 0;
11267 } else if (rf_kill_active(priv)) {
11268 IPW_WARNING("Radio Frequency Kill Switch is On:\n"
11269 "Kill switch must be turned off for "
11270 "wireless networking to work.\n");
11271 queue_delayed_work(priv->workqueue, &priv->rf_kill,
11272 2 * HZ);
43f66a6c 11273 return 0;
c848d0af 11274 }
43f66a6c
JK		 11275
11276 rc = ipw_config(priv);
11277 if (!rc) {
11278 IPW_DEBUG_INFO("Configured device on count %i\n", i);
e666619e
JK		 11279
11280 /* If configure to try and auto-associate, kick
11281 * off a scan. */
c4028958
DH		 11282 queue_delayed_work(priv->workqueue,
11283 &priv->request_scan, 0);
afbf30a2 11284
43f66a6c 11285 return 0;
43f66a6c 11286 }
bf79451e 11287
c848d0af 11288 IPW_DEBUG_INFO("Device configuration failed: 0x%08X\n", rc);
43f66a6c
JK		 11289 IPW_DEBUG_INFO("Failed to config device on retry %d of %d\n",
11290 i, MAX_HW_RESTARTS);
11291
11292 /* We had an error bringing up the hardware, so take it
11293 * all the way back down so we can try again */
11294 ipw_down(priv);
11295 }
11296
bf79451e 11297 /* tried to restart and config the device for as long as our
43f66a6c 11298 * patience could withstand */
0edd5b44 11299 IPW_ERROR("Unable to initialize device after %d attempts.\n", i);
c848d0af 11300
43f66a6c
JK		 11301 return -EIO;
11302}
11303
c4028958 11304static void ipw_bg_up(struct work_struct *work)
c848d0af 11305{
c4028958
DH		 11306 struct ipw_priv *priv =
11307 container_of(work, struct ipw_priv, up);
4644151b 11308 mutex_lock(&priv->mutex);
c4028958 11309 ipw_up(priv);
4644151b 11310 mutex_unlock(&priv->mutex);
c848d0af
JK		 11311}
11312
b095c381 11313static void ipw_deinit(struct ipw_priv *priv)
43f66a6c 11314{
b095c381
JK		 11315 int i;
11316
11317 if (priv->status & STATUS_SCANNING) {
11318 IPW_DEBUG_INFO("Aborting scan during shutdown.\n");
11319 ipw_abort_scan(priv);
11320 }
11321
11322 if (priv->status & STATUS_ASSOCIATED) {
11323 IPW_DEBUG_INFO("Disassociating during shutdown.\n");
11324 ipw_disassociate(priv);
11325 }
11326
11327 ipw_led_shutdown(priv);
11328
11329 /* Wait up to 1s for status to change to not scanning and not
11330 * associated (disassociation can take a while for a ful 802.11
11331 * exchange */
11332 for (i = 1000; i && (priv->status &
11333 (STATUS_DISASSOCIATING |
11334 STATUS_ASSOCIATED | STATUS_SCANNING)); i--)
11335 udelay(10);
11336
11337 if (priv->status & (STATUS_DISASSOCIATING |
11338 STATUS_ASSOCIATED | STATUS_SCANNING))
11339 IPW_DEBUG_INFO("Still associated or scanning...\n");
11340 else
11341 IPW_DEBUG_INFO("Took %dms to de-init\n", 1000 - i);
11342
43f66a6c 11343 /* Attempt to disable the card */
43f66a6c 11344 ipw_send_card_disable(priv, 0);
b095c381
JK		 11345
11346 priv->status &= ~STATUS_INIT;
11347}
11348
11349static void ipw_down(struct ipw_priv *priv)
11350{
11351 int exit_pending = priv->status & STATUS_EXIT_PENDING;
11352
11353 priv->status |= STATUS_EXIT_PENDING;
11354
11355 if (ipw_is_init(priv))
11356 ipw_deinit(priv);
11357
11358 /* Wipe out the EXIT_PENDING status bit if we are not actually
11359 * exiting the module */
11360 if (!exit_pending)
11361 priv->status &= ~STATUS_EXIT_PENDING;
43f66a6c
JK		 11362
11363 /* tell the device to stop sending interrupts */
11364 ipw_disable_interrupts(priv);
11365
11366 /* Clear all bits but the RF Kill */
b095c381 11367 priv->status &= STATUS_RF_KILL_MASK | STATUS_EXIT_PENDING;
43f66a6c 11368 netif_carrier_off(priv->net_dev);
43f66a6c
JK		 11369
11370 ipw_stop_nic(priv);
a613bffd
JK		 11371
11372 ipw_led_radio_off(priv);
43f66a6c
JK		 11373}
11374
c4028958 11375static void ipw_bg_down(struct work_struct *work)
c848d0af 11376{
c4028958
DH		 11377 struct ipw_priv *priv =
11378 container_of(work, struct ipw_priv, down);
4644151b 11379 mutex_lock(&priv->mutex);
c4028958 11380 ipw_down(priv);
4644151b 11381 mutex_unlock(&priv->mutex);
43f66a6c
JK		 11382}
11383
11384/* Called by register_netdev() */
11385static int ipw_net_init(struct net_device *dev)
11386{
11387 struct ipw_priv *priv = ieee80211_priv(dev);
4644151b 11388 mutex_lock(&priv->mutex);
43f66a6c 11389
c848d0af 11390 if (ipw_up(priv)) {
4644151b 11391 mutex_unlock(&priv->mutex);
43f66a6c 11392 return -EIO;
c848d0af 11393 }
43f66a6c 11394
4644151b 11395 mutex_unlock(&priv->mutex);
43f66a6c
JK		 11396 return 0;
11397}
11398
11399/* PCI driver stuff */
11400static struct pci_device_id card_ids[] = {
11401 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2701, 0, 0, 0},
11402 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2702, 0, 0, 0},
11403 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2711, 0, 0, 0},
11404 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2712, 0, 0, 0},
11405 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2721, 0, 0, 0},
11406 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2722, 0, 0, 0},
11407 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2731, 0, 0, 0},
11408 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2732, 0, 0, 0},
11409 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2741, 0, 0, 0},
11410 {PCI_VENDOR_ID_INTEL, 0x1043, 0x103c, 0x2741, 0, 0, 0},
11411 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2742, 0, 0, 0},
11412 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2751, 0, 0, 0},
11413 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2752, 0, 0, 0},
11414 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2753, 0, 0, 0},
11415 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2754, 0, 0, 0},
11416 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2761, 0, 0, 0},
11417 {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2762, 0, 0, 0},
11418 {PCI_VENDOR_ID_INTEL, 0x104f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
0edd5b44 11419 {PCI_VENDOR_ID_INTEL, 0x4220, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* BG */
a613bffd 11420 {PCI_VENDOR_ID_INTEL, 0x4221, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* BG */
0edd5b44
JG		 11421 {PCI_VENDOR_ID_INTEL, 0x4223, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* ABG */
11422 {PCI_VENDOR_ID_INTEL, 0x4224, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* ABG */
bf79451e 11423
43f66a6c
JK		 11424 /* required last entry */
11425 {0,}
11426};
11427
11428MODULE_DEVICE_TABLE(pci, card_ids);
11429
11430static struct attribute *ipw_sysfs_entries[] = {
11431 &dev_attr_rf_kill.attr,
11432 &dev_attr_direct_dword.attr,
11433 &dev_attr_indirect_byte.attr,
11434 &dev_attr_indirect_dword.attr,
11435 &dev_attr_mem_gpio_reg.attr,
11436 &dev_attr_command_event_reg.attr,
11437 &dev_attr_nic_type.attr,
11438 &dev_attr_status.attr,
11439 &dev_attr_cfg.attr,
b39860c6
JK		 11440 &dev_attr_error.attr,
11441 &dev_attr_event_log.attr,
f6c5cb7c 11442 &dev_attr_cmd_log.attr,
43f66a6c
JK		 11443 &dev_attr_eeprom_delay.attr,
11444 &dev_attr_ucode_version.attr,
11445 &dev_attr_rtc.attr,
a613bffd
JK		 11446 &dev_attr_scan_age.attr,
11447 &dev_attr_led.attr,
b095c381
JK		 11448 &dev_attr_speed_scan.attr,
11449 &dev_attr_net_stats.attr,
375dd244 11450 &dev_attr_channels.attr,
d685b8c2
ZY		 11451#ifdef CONFIG_IPW2200_PROMISCUOUS
11452 &dev_attr_rtap_iface.attr,
11453 &dev_attr_rtap_filter.attr,
11454#endif
43f66a6c
JK		 11455 NULL
11456};
11457
11458static struct attribute_group ipw_attribute_group = {
11459 .name = NULL, /* put in device directory */
0edd5b44 11460 .attrs = ipw_sysfs_entries,
43f66a6c
JK		 11461};
11462
d685b8c2
ZY		 11463#ifdef CONFIG_IPW2200_PROMISCUOUS
11464static int ipw_prom_open(struct net_device *dev)
11465{
11466 struct ipw_prom_priv *prom_priv = ieee80211_priv(dev);
11467 struct ipw_priv *priv = prom_priv->priv;
11468
11469 IPW_DEBUG_INFO("prom dev->open\n");
11470 netif_carrier_off(dev);
d685b8c2
ZY		 11471
11472 if (priv->ieee->iw_mode != IW_MODE_MONITOR) {
11473 priv->sys_config.accept_all_data_frames = 1;
11474 priv->sys_config.accept_non_directed_frames = 1;
11475 priv->sys_config.accept_all_mgmt_bcpr = 1;
11476 priv->sys_config.accept_all_mgmt_frames = 1;
11477
11478 ipw_send_system_config(priv);
11479 }
11480
11481 return 0;
11482}
11483
11484static int ipw_prom_stop(struct net_device *dev)
11485{
11486 struct ipw_prom_priv *prom_priv = ieee80211_priv(dev);
11487 struct ipw_priv *priv = prom_priv->priv;
11488
11489 IPW_DEBUG_INFO("prom dev->stop\n");
11490
11491 if (priv->ieee->iw_mode != IW_MODE_MONITOR) {
11492 priv->sys_config.accept_all_data_frames = 0;
11493 priv->sys_config.accept_non_directed_frames = 0;
11494 priv->sys_config.accept_all_mgmt_bcpr = 0;
11495 priv->sys_config.accept_all_mgmt_frames = 0;
11496
11497 ipw_send_system_config(priv);
11498 }
11499
11500 return 0;
11501}
11502
11503static int ipw_prom_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
11504{
11505 IPW_DEBUG_INFO("prom dev->xmit\n");
d685b8c2
ZY		 11506 return -EOPNOTSUPP;
11507}
11508
11509static struct net_device_stats *ipw_prom_get_stats(struct net_device *dev)
11510{
11511 struct ipw_prom_priv *prom_priv = ieee80211_priv(dev);
11512 return &prom_priv->ieee->stats;
11513}
11514
11515static int ipw_prom_alloc(struct ipw_priv *priv)
11516{
11517 int rc = 0;
11518
11519 if (priv->prom_net_dev)
11520 return -EPERM;
11521
11522 priv->prom_net_dev = alloc_ieee80211(sizeof(struct ipw_prom_priv));
11523 if (priv->prom_net_dev == NULL)
11524 return -ENOMEM;
11525
11526 priv->prom_priv = ieee80211_priv(priv->prom_net_dev);
11527 priv->prom_priv->ieee = netdev_priv(priv->prom_net_dev);
11528 priv->prom_priv->priv = priv;
11529
11530 strcpy(priv->prom_net_dev->name, "rtap%d");
3f2eeac9 11531 memcpy(priv->prom_net_dev->dev_addr, priv->mac_addr, ETH_ALEN);
d685b8c2
ZY		 11532
11533 priv->prom_net_dev->type = ARPHRD_IEEE80211_RADIOTAP;
11534 priv->prom_net_dev->open = ipw_prom_open;
11535 priv->prom_net_dev->stop = ipw_prom_stop;
11536 priv->prom_net_dev->get_stats = ipw_prom_get_stats;
11537 priv->prom_net_dev->hard_start_xmit = ipw_prom_hard_start_xmit;
11538
11539 priv->prom_priv->ieee->iw_mode = IW_MODE_MONITOR;
229ce3ab 11540 SET_NETDEV_DEV(priv->prom_net_dev, &priv->pci_dev->dev);
d685b8c2
ZY		 11541
11542 rc = register_netdev(priv->prom_net_dev);
11543 if (rc) {
11544 free_ieee80211(priv->prom_net_dev);
11545 priv->prom_net_dev = NULL;
11546 return rc;
11547 }
11548
11549 return 0;
11550}
11551
11552static void ipw_prom_free(struct ipw_priv *priv)
11553{
11554 if (!priv->prom_net_dev)
11555 return;
11556
11557 unregister_netdev(priv->prom_net_dev);
11558 free_ieee80211(priv->prom_net_dev);
11559
11560 priv->prom_net_dev = NULL;
11561}
11562
11563#endif
11564
11565
2ef19e63
AB		 11566static int __devinit ipw_pci_probe(struct pci_dev *pdev,
11567 const struct pci_device_id *ent)
43f66a6c
JK		 11568{
11569 int err = 0;
11570 struct net_device *net_dev;
11571 void __iomem *base;
11572 u32 length, val;
11573 struct ipw_priv *priv;
afbf30a2 11574 int i;
43f66a6c
JK		 11575
11576 net_dev = alloc_ieee80211(sizeof(struct ipw_priv));
11577 if (net_dev == NULL) {
11578 err = -ENOMEM;
11579 goto out;
11580 }
11581
11582 priv = ieee80211_priv(net_dev);
11583 priv->ieee = netdev_priv(net_dev);
a613bffd 11584
43f66a6c
JK		 11585 priv->net_dev = net_dev;
11586 priv->pci_dev = pdev;
43f66a6c 11587 ipw_debug_level = debug;
89c318ed 11588 spin_lock_init(&priv->irq_lock);
43f66a6c 11589 spin_lock_init(&priv->lock);
afbf30a2
JK		 11590 for (i = 0; i < IPW_IBSS_MAC_HASH_SIZE; i++)
11591 INIT_LIST_HEAD(&priv->ibss_mac_hash[i]);
43f66a6c 11592
4644151b 11593 mutex_init(&priv->mutex);
43f66a6c
JK		 11594 if (pci_enable_device(pdev)) {
11595 err = -ENODEV;
11596 goto out_free_ieee80211;
11597 }
11598
11599 pci_set_master(pdev);
11600
0e08b44e 11601 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
bf79451e 11602 if (!err)
0e08b44e 11603 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
43f66a6c
JK		 11604 if (err) {
11605 printk(KERN_WARNING DRV_NAME ": No suitable DMA available.\n");
11606 goto out_pci_disable_device;
11607 }
11608
11609 pci_set_drvdata(pdev, priv);
11610
11611 err = pci_request_regions(pdev, DRV_NAME);
bf79451e 11612 if (err)
43f66a6c
JK		 11613 goto out_pci_disable_device;
11614
bf79451e 11615 /* We disable the RETRY_TIMEOUT register (0x41) to keep
43f66a6c 11616 * PCI Tx retries from interfering with C3 CPU state */
bf79451e
JG		 11617 pci_read_config_dword(pdev, 0x40, &val);
11618 if ((val & 0x0000ff00) != 0)
43f66a6c 11619 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
bf79451e 11620
43f66a6c
JK		 11621 length = pci_resource_len(pdev, 0);
11622 priv->hw_len = length;
bf79451e 11623
275f165f 11624 base = pci_ioremap_bar(pdev, 0);
43f66a6c
JK		 11625 if (!base) {
11626 err = -ENODEV;
11627 goto out_pci_release_regions;
11628 }
11629
11630 priv->hw_base = base;
11631 IPW_DEBUG_INFO("pci_resource_len = 0x%08x\n", length);
11632 IPW_DEBUG_INFO("pci_resource_base = %p\n", base);
11633
11634 err = ipw_setup_deferred_work(priv);
11635 if (err) {
11636 IPW_ERROR("Unable to setup deferred work\n");
11637 goto out_iounmap;
11638 }
11639
b095c381 11640 ipw_sw_reset(priv, 1);
43f66a6c 11641
1fb9df5d 11642 err = request_irq(pdev->irq, ipw_isr, IRQF_SHARED, DRV_NAME, priv);
43f66a6c
JK		 11643 if (err) {
11644 IPW_ERROR("Error allocating IRQ %d\n", pdev->irq);
11645 goto out_destroy_workqueue;
11646 }
11647
43f66a6c
JK		 11648 SET_NETDEV_DEV(net_dev, &pdev->dev);
11649
4644151b 11650 mutex_lock(&priv->mutex);
c848d0af 11651
43f66a6c
JK		 11652 priv->ieee->hard_start_xmit = ipw_net_hard_start_xmit;
11653 priv->ieee->set_security = shim__set_security;
227d2dc1 11654 priv->ieee->is_queue_full = ipw_net_is_queue_full;
43f66a6c 11655
e43e3c1e 11656#ifdef CONFIG_IPW2200_QOS
a5cf4fe6 11657 priv->ieee->is_qos_active = ipw_is_qos_active;
3b9990cb
JK		 11658 priv->ieee->handle_probe_response = ipw_handle_beacon;
11659 priv->ieee->handle_beacon = ipw_handle_probe_response;
11660 priv->ieee->handle_assoc_response = ipw_handle_assoc_response;
e43e3c1e 11661#endif /* CONFIG_IPW2200_QOS */
b095c381 11662
c848d0af
JK		 11663 priv->ieee->perfect_rssi = -20;
11664 priv->ieee->worst_rssi = -85;
43f66a6c
JK		 11665
11666 net_dev->open = ipw_net_open;
11667 net_dev->stop = ipw_net_stop;
11668 net_dev->init = ipw_net_init;
11669 net_dev->get_stats = ipw_net_get_stats;
11670 net_dev->set_multicast_list = ipw_net_set_multicast_list;
11671 net_dev->set_mac_address = ipw_net_set_mac_address;
97a78ca9 11672 priv->wireless_data.spy_data = &priv->ieee->spy_data;
97a78ca9 11673 net_dev->wireless_data = &priv->wireless_data;
43f66a6c
JK		 11674 net_dev->wireless_handlers = &ipw_wx_handler_def;
11675 net_dev->ethtool_ops = &ipw_ethtool_ops;
11676 net_dev->irq = pdev->irq;
0edd5b44 11677 net_dev->base_addr = (unsigned long)priv->hw_base;
43f66a6c
JK		 11678 net_dev->mem_start = pci_resource_start(pdev, 0);
11679 net_dev->mem_end = net_dev->mem_start + pci_resource_len(pdev, 0) - 1;
11680
11681 err = sysfs_create_group(&pdev->dev.kobj, &ipw_attribute_group);
11682 if (err) {
11683 IPW_ERROR("failed to create sysfs device attributes\n");
4644151b 11684 mutex_unlock(&priv->mutex);
43f66a6c
JK		 11685 goto out_release_irq;
11686 }
11687
4644151b 11688 mutex_unlock(&priv->mutex);
43f66a6c
JK		 11689 err = register_netdev(net_dev);
11690 if (err) {
11691 IPW_ERROR("failed to register network device\n");
a613bffd 11692 goto out_remove_sysfs;
43f66a6c 11693 }
48a84770 11694
d685b8c2
ZY		 11695#ifdef CONFIG_IPW2200_PROMISCUOUS
11696 if (rtap_iface) {
11697 err = ipw_prom_alloc(priv);
11698 if (err) {
11699 IPW_ERROR("Failed to register promiscuous network "
11700 "device (error %d).\n", err);
11701 unregister_netdev(priv->net_dev);
11702 goto out_remove_sysfs;
11703 }
11704 }
11705#endif
11706
48a84770
HBA		 11707 printk(KERN_INFO DRV_NAME ": Detected geography %s (%d 802.11bg "
11708 "channels, %d 802.11a channels)\n",
11709 priv->ieee->geo.name, priv->ieee->geo.bg_channels,
11710 priv->ieee->geo.a_channels);
11711
43f66a6c
JK		 11712 return 0;
11713
a613bffd 11714 out_remove_sysfs:
43f66a6c 11715 sysfs_remove_group(&pdev->dev.kobj, &ipw_attribute_group);
0edd5b44 11716 out_release_irq:
43f66a6c 11717 free_irq(pdev->irq, priv);
0edd5b44 11718 out_destroy_workqueue:
43f66a6c
JK		 11719 destroy_workqueue(priv->workqueue);
11720 priv->workqueue = NULL;
0edd5b44 11721 out_iounmap:
43f66a6c 11722 iounmap(priv->hw_base);
0edd5b44 11723 out_pci_release_regions:
43f66a6c 11724 pci_release_regions(pdev);
0edd5b44 11725 out_pci_disable_device:
43f66a6c
JK		 11726 pci_disable_device(pdev);
11727 pci_set_drvdata(pdev, NULL);
0edd5b44 11728 out_free_ieee80211:
43f66a6c 11729 free_ieee80211(priv->net_dev);
0edd5b44 11730 out:
43f66a6c
JK		 11731 return err;
11732}
11733
2ef19e63 11734static void __devexit ipw_pci_remove(struct pci_dev *pdev)
43f66a6c
JK		 11735{
11736 struct ipw_priv *priv = pci_get_drvdata(pdev);
afbf30a2
JK		 11737 struct list_head *p, *q;
11738 int i;
b095c381 11739
43f66a6c
JK		 11740 if (!priv)
11741 return;
11742
4644151b 11743 mutex_lock(&priv->mutex);
43f66a6c 11744
afbf30a2 11745 priv->status |= STATUS_EXIT_PENDING;
43f66a6c 11746 ipw_down(priv);
43f66a6c
JK		 11747 sysfs_remove_group(&pdev->dev.kobj, &ipw_attribute_group);
11748
4644151b 11749 mutex_unlock(&priv->mutex);
43f66a6c
JK		 11750
11751 unregister_netdev(priv->net_dev);
11752
11753 if (priv->rxq) {
11754 ipw_rx_queue_free(priv, priv->rxq);
11755 priv->rxq = NULL;
11756 }
11757 ipw_tx_queue_free(priv);
11758
f6c5cb7c
JK		 11759 if (priv->cmdlog) {
11760 kfree(priv->cmdlog);
11761 priv->cmdlog = NULL;
11762 }
43f66a6c
JK		 11763 /* ipw_down will ensure that there is no more pending work
11764 * in the workqueue's, so we can safely remove them now. */
a613bffd
JK		 11765 cancel_delayed_work(&priv->adhoc_check);
11766 cancel_delayed_work(&priv->gather_stats);
11767 cancel_delayed_work(&priv->request_scan);
ea177305
DW		 11768 cancel_delayed_work(&priv->request_direct_scan);
11769 cancel_delayed_work(&priv->request_passive_scan);
0b531676 11770 cancel_delayed_work(&priv->scan_event);
a613bffd
JK		 11771 cancel_delayed_work(&priv->rf_kill);
11772 cancel_delayed_work(&priv->scan_check);
11773 destroy_workqueue(priv->workqueue);
11774 priv->workqueue = NULL;
43f66a6c 11775
afbf30a2
JK		 11776 /* Free MAC hash list for ADHOC */
11777 for (i = 0; i < IPW_IBSS_MAC_HASH_SIZE; i++) {
11778 list_for_each_safe(p, q, &priv->ibss_mac_hash[i]) {
afbf30a2 11779 list_del(p);
489f4458 11780 kfree(list_entry(p, struct ipw_ibss_seq, list));
afbf30a2
JK		 11781 }
11782 }
11783
8f760780
JJ		 11784 kfree(priv->error);
11785 priv->error = NULL;
43f66a6c 11786
d685b8c2
ZY		 11787#ifdef CONFIG_IPW2200_PROMISCUOUS
11788 ipw_prom_free(priv);
11789#endif
11790
43f66a6c
JK		 11791 free_irq(pdev->irq, priv);
11792 iounmap(priv->hw_base);
11793 pci_release_regions(pdev);
11794 pci_disable_device(pdev);
11795 pci_set_drvdata(pdev, NULL);
11796 free_ieee80211(priv->net_dev);
afbf30a2 11797 free_firmware();
43f66a6c
JK		 11798}
11799
43f66a6c 11800#ifdef CONFIG_PM
583a4e88 11801static int ipw_pci_suspend(struct pci_dev *pdev, pm_message_t state)
43f66a6c
JK		 11802{
11803 struct ipw_priv *priv = pci_get_drvdata(pdev);
11804 struct net_device *dev = priv->net_dev;
11805
11806 printk(KERN_INFO "%s: Going into suspend...\n", dev->name);
11807
0edd5b44 11808 /* Take down the device; powers it off, etc. */
43f66a6c
JK		 11809 ipw_down(priv);
11810
11811 /* Remove the PRESENT state of the device */
11812 netif_device_detach(dev);
11813
43f66a6c 11814 pci_save_state(pdev);
43f66a6c 11815 pci_disable_device(pdev);
583a4e88 11816 pci_set_power_state(pdev, pci_choose_state(pdev, state));
bf79451e 11817
43f66a6c
JK		 11818 return 0;
11819}
11820
11821static int ipw_pci_resume(struct pci_dev *pdev)
11822{
11823 struct ipw_priv *priv = pci_get_drvdata(pdev);
11824 struct net_device *dev = priv->net_dev;
02e0e5e9 11825 int err;
43f66a6c 11826 u32 val;
bf79451e 11827
43f66a6c
JK		 11828 printk(KERN_INFO "%s: Coming out of suspend...\n", dev->name);
11829
ea2b26e0 11830 pci_set_power_state(pdev, PCI_D0);
02e0e5e9
JL		 11831 err = pci_enable_device(pdev);
11832 if (err) {
11833 printk(KERN_ERR "%s: pci_enable_device failed on resume\n",
11834 dev->name);
11835 return err;
11836 }
43f66a6c 11837 pci_restore_state(pdev);
ea2b26e0 11838
43f66a6c
JK		 11839 /*
11840 * Suspend/Resume resets the PCI configuration space, so we have to
11841 * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries
11842 * from interfering with C3 CPU state. pci_restore_state won't help
11843 * here since it only restores the first 64 bytes pci config header.
11844 */
bf79451e
JG		 11845 pci_read_config_dword(pdev, 0x40, &val);
11846 if ((val & 0x0000ff00) != 0)
43f66a6c
JK		 11847 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
11848
11849 /* Set the device back into the PRESENT state; this will also wake
11850 * the queue of needed */
11851 netif_device_attach(dev);
11852
11853 /* Bring the device back up */
11854 queue_work(priv->workqueue, &priv->up);
bf79451e 11855
43f66a6c
JK		 11856 return 0;
11857}
11858#endif
11859
c8c22c94
ZY		 11860static void ipw_pci_shutdown(struct pci_dev *pdev)
11861{
11862 struct ipw_priv *priv = pci_get_drvdata(pdev);
11863
11864 /* Take down the device; powers it off, etc. */
11865 ipw_down(priv);
11866
11867 pci_disable_device(pdev);
11868}
11869
43f66a6c
JK		 11870/* driver initialization stuff */
11871static struct pci_driver ipw_driver = {
11872 .name = DRV_NAME,
11873 .id_table = card_ids,
11874 .probe = ipw_pci_probe,
11875 .remove = __devexit_p(ipw_pci_remove),
11876#ifdef CONFIG_PM
11877 .suspend = ipw_pci_suspend,
11878 .resume = ipw_pci_resume,
11879#endif
c8c22c94 11880 .shutdown = ipw_pci_shutdown,
43f66a6c
JK		 11881};
11882
11883static int __init ipw_init(void)
11884{
11885 int ret;
11886
11887 printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n");
11888 printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n");
11889
29917620 11890 ret = pci_register_driver(&ipw_driver);
43f66a6c
JK		 11891 if (ret) {
11892 IPW_ERROR("Unable to initialize PCI module\n");
11893 return ret;
11894 }
11895
0edd5b44 11896 ret = driver_create_file(&ipw_driver.driver, &driver_attr_debug_level);
43f66a6c
JK		 11897 if (ret) {
11898 IPW_ERROR("Unable to create driver sysfs file\n");
11899 pci_unregister_driver(&ipw_driver);
11900 return ret;
11901 }
11902
11903 return ret;
11904}
11905
11906static void __exit ipw_exit(void)
11907{
11908 driver_remove_file(&ipw_driver.driver, &driver_attr_debug_level);
11909 pci_unregister_driver(&ipw_driver);
11910}
11911
11912module_param(disable, int, 0444);
11913MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])");
11914
11915module_param(associate, int, 0444);
5c7f9b73 11916MODULE_PARM_DESC(associate, "auto associate when scanning (default off)");
43f66a6c
JK		 11917
11918module_param(auto_create, int, 0444);
11919MODULE_PARM_DESC(auto_create, "auto create adhoc network (default on)");
11920
a613bffd 11921module_param(led, int, 0444);
61a2d07d 11922MODULE_PARM_DESC(led, "enable led control on some systems (default 0 off)");
a613bffd 11923
43f66a6c
JK		 11924module_param(debug, int, 0444);
11925MODULE_PARM_DESC(debug, "debug output mask");
11926
11927module_param(channel, int, 0444);
bf79451e 11928MODULE_PARM_DESC(channel, "channel to limit associate to (default 0 [ANY])");
43f66a6c 11929
d685b8c2
ZY		 11930#ifdef CONFIG_IPW2200_PROMISCUOUS
11931module_param(rtap_iface, int, 0444);
11932MODULE_PARM_DESC(rtap_iface, "create the rtap interface (1 - create, default 0)");
11933#endif
11934
e43e3c1e 11935#ifdef CONFIG_IPW2200_QOS
b095c381
JK		 11936module_param(qos_enable, int, 0444);
11937MODULE_PARM_DESC(qos_enable, "enable all QoS functionalitis");
11938
11939module_param(qos_burst_enable, int, 0444);
11940MODULE_PARM_DESC(qos_burst_enable, "enable QoS burst mode");
11941
11942module_param(qos_no_ack_mask, int, 0444);
11943MODULE_PARM_DESC(qos_no_ack_mask, "mask Tx_Queue to no ack");
43f66a6c 11944
b095c381
JK		 11945module_param(burst_duration_CCK, int, 0444);
11946MODULE_PARM_DESC(burst_duration_CCK, "set CCK burst value");
11947
11948module_param(burst_duration_OFDM, int, 0444);
11949MODULE_PARM_DESC(burst_duration_OFDM, "set OFDM burst value");
e43e3c1e 11950#endif /* CONFIG_IPW2200_QOS */
b095c381
JK		 11951
11952#ifdef CONFIG_IPW2200_MONITOR
43f66a6c
JK		 11953module_param(mode, int, 0444);
11954MODULE_PARM_DESC(mode, "network mode (0=BSS,1=IBSS,2=Monitor)");
11955#else
11956module_param(mode, int, 0444);
11957MODULE_PARM_DESC(mode, "network mode (0=BSS,1=IBSS)");
11958#endif
11959
810dabd4
ZY		 11960module_param(bt_coexist, int, 0444);
11961MODULE_PARM_DESC(bt_coexist, "enable bluetooth coexistence (default off)");
11962
b095c381 11963module_param(hwcrypto, int, 0444);
bde37d03 11964MODULE_PARM_DESC(hwcrypto, "enable hardware crypto (default off)");
b095c381 11965
f6c5cb7c
JK		 11966module_param(cmdlog, int, 0444);
11967MODULE_PARM_DESC(cmdlog,
11968 "allocate a ring buffer for logging firmware commands");
11969
4bfdb91d
ZY		 11970module_param(roaming, int, 0444);
11971MODULE_PARM_DESC(roaming, "enable roaming support (default on)");
11972
d2b83e12
ZY		 11973module_param(antenna, int, 0444);
11974MODULE_PARM_DESC(antenna, "select antenna 1=Main, 3=Aux, default 0 [both], 2=slow_diversity (choose the one with lower background noise)");
11975
43f66a6c
JK		 11976module_exit(ipw_exit);
11977module_init(ipw_init);
kernel source for telekom puls (alcatel/mediatek)