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brcm80211: fmac: annotated little endian struct with _le
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / wireless / brcm80211 / brcmfmac / wl_cfg80211.c
CommitLineData
5b435de0
AS		 1/*
2 * Copyright (c) 2010 Broadcom Corporation
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17/* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */
18
19#include <linux/kernel.h>
20#include <linux/if_arp.h>
21#include <linux/sched.h>
22#include <linux/kthread.h>
23#include <linux/netdevice.h>
24#include <linux/bitops.h>
25#include <linux/etherdevice.h>
26#include <linux/ieee80211.h>
27#include <linux/uaccess.h>
28#include <net/cfg80211.h>
29
30#include <brcmu_utils.h>
31#include <defs.h>
32#include <brcmu_wifi.h>
33#include "dhd.h"
34#include "wl_cfg80211.h"
35
36#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
37 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
38
39static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255};
40
41static u32 brcmf_dbg_level = WL_DBG_ERR;
42
43static void brcmf_set_drvdata(struct brcmf_cfg80211_dev *dev, void *data)
44{
45 dev->driver_data = data;
46}
47
48static void *brcmf_get_drvdata(struct brcmf_cfg80211_dev *dev)
49{
50 void *data = NULL;
51
52 if (dev)
53 data = dev->driver_data;
54 return data;
55}
56
57static
58struct brcmf_cfg80211_priv *brcmf_priv_get(struct brcmf_cfg80211_dev *cfg_dev)
59{
60 struct brcmf_cfg80211_iface *ci = brcmf_get_drvdata(cfg_dev);
61 return ci->cfg_priv;
62}
63
64static bool check_sys_up(struct wiphy *wiphy)
65{
66 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
67 if (!test_bit(WL_STATUS_READY, &cfg_priv->status)) {
68 WL_INFO("device is not ready : status (%d)\n",
69 (int)cfg_priv->status);
70 return false;
71 }
72 return true;
73}
74
75#define CHAN2G(_channel, _freq, _flags) { \
76 .band = IEEE80211_BAND_2GHZ, \
77 .center_freq = (_freq), \
78 .hw_value = (_channel), \
79 .flags = (_flags), \
80 .max_antenna_gain = 0, \
81 .max_power = 30, \
82}
83
84#define CHAN5G(_channel, _flags) { \
85 .band = IEEE80211_BAND_5GHZ, \
86 .center_freq = 5000 + (5 * (_channel)), \
87 .hw_value = (_channel), \
88 .flags = (_flags), \
89 .max_antenna_gain = 0, \
90 .max_power = 30, \
91}
92
93#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
94#define RATETAB_ENT(_rateid, _flags) \
95 { \
96 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
97 .hw_value = (_rateid), \
98 .flags = (_flags), \
99 }
100
101static struct ieee80211_rate __wl_rates[] = {
102 RATETAB_ENT(BRCM_RATE_1M, 0),
103 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
104 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
105 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
106 RATETAB_ENT(BRCM_RATE_6M, 0),
107 RATETAB_ENT(BRCM_RATE_9M, 0),
108 RATETAB_ENT(BRCM_RATE_12M, 0),
109 RATETAB_ENT(BRCM_RATE_18M, 0),
110 RATETAB_ENT(BRCM_RATE_24M, 0),
111 RATETAB_ENT(BRCM_RATE_36M, 0),
112 RATETAB_ENT(BRCM_RATE_48M, 0),
113 RATETAB_ENT(BRCM_RATE_54M, 0),
114};
115
116#define wl_a_rates (__wl_rates + 4)
117#define wl_a_rates_size 8
118#define wl_g_rates (__wl_rates + 0)
119#define wl_g_rates_size 12
120
121static struct ieee80211_channel __wl_2ghz_channels[] = {
122 CHAN2G(1, 2412, 0),
123 CHAN2G(2, 2417, 0),
124 CHAN2G(3, 2422, 0),
125 CHAN2G(4, 2427, 0),
126 CHAN2G(5, 2432, 0),
127 CHAN2G(6, 2437, 0),
128 CHAN2G(7, 2442, 0),
129 CHAN2G(8, 2447, 0),
130 CHAN2G(9, 2452, 0),
131 CHAN2G(10, 2457, 0),
132 CHAN2G(11, 2462, 0),
133 CHAN2G(12, 2467, 0),
134 CHAN2G(13, 2472, 0),
135 CHAN2G(14, 2484, 0),
136};
137
138static struct ieee80211_channel __wl_5ghz_a_channels[] = {
139 CHAN5G(34, 0), CHAN5G(36, 0),
140 CHAN5G(38, 0), CHAN5G(40, 0),
141 CHAN5G(42, 0), CHAN5G(44, 0),
142 CHAN5G(46, 0), CHAN5G(48, 0),
143 CHAN5G(52, 0), CHAN5G(56, 0),
144 CHAN5G(60, 0), CHAN5G(64, 0),
145 CHAN5G(100, 0), CHAN5G(104, 0),
146 CHAN5G(108, 0), CHAN5G(112, 0),
147 CHAN5G(116, 0), CHAN5G(120, 0),
148 CHAN5G(124, 0), CHAN5G(128, 0),
149 CHAN5G(132, 0), CHAN5G(136, 0),
150 CHAN5G(140, 0), CHAN5G(149, 0),
151 CHAN5G(153, 0), CHAN5G(157, 0),
152 CHAN5G(161, 0), CHAN5G(165, 0),
153 CHAN5G(184, 0), CHAN5G(188, 0),
154 CHAN5G(192, 0), CHAN5G(196, 0),
155 CHAN5G(200, 0), CHAN5G(204, 0),
156 CHAN5G(208, 0), CHAN5G(212, 0),
157 CHAN5G(216, 0),
158};
159
160static struct ieee80211_channel __wl_5ghz_n_channels[] = {
161 CHAN5G(32, 0), CHAN5G(34, 0),
162 CHAN5G(36, 0), CHAN5G(38, 0),
163 CHAN5G(40, 0), CHAN5G(42, 0),
164 CHAN5G(44, 0), CHAN5G(46, 0),
165 CHAN5G(48, 0), CHAN5G(50, 0),
166 CHAN5G(52, 0), CHAN5G(54, 0),
167 CHAN5G(56, 0), CHAN5G(58, 0),
168 CHAN5G(60, 0), CHAN5G(62, 0),
169 CHAN5G(64, 0), CHAN5G(66, 0),
170 CHAN5G(68, 0), CHAN5G(70, 0),
171 CHAN5G(72, 0), CHAN5G(74, 0),
172 CHAN5G(76, 0), CHAN5G(78, 0),
173 CHAN5G(80, 0), CHAN5G(82, 0),
174 CHAN5G(84, 0), CHAN5G(86, 0),
175 CHAN5G(88, 0), CHAN5G(90, 0),
176 CHAN5G(92, 0), CHAN5G(94, 0),
177 CHAN5G(96, 0), CHAN5G(98, 0),
178 CHAN5G(100, 0), CHAN5G(102, 0),
179 CHAN5G(104, 0), CHAN5G(106, 0),
180 CHAN5G(108, 0), CHAN5G(110, 0),
181 CHAN5G(112, 0), CHAN5G(114, 0),
182 CHAN5G(116, 0), CHAN5G(118, 0),
183 CHAN5G(120, 0), CHAN5G(122, 0),
184 CHAN5G(124, 0), CHAN5G(126, 0),
185 CHAN5G(128, 0), CHAN5G(130, 0),
186 CHAN5G(132, 0), CHAN5G(134, 0),
187 CHAN5G(136, 0), CHAN5G(138, 0),
188 CHAN5G(140, 0), CHAN5G(142, 0),
189 CHAN5G(144, 0), CHAN5G(145, 0),
190 CHAN5G(146, 0), CHAN5G(147, 0),
191 CHAN5G(148, 0), CHAN5G(149, 0),
192 CHAN5G(150, 0), CHAN5G(151, 0),
193 CHAN5G(152, 0), CHAN5G(153, 0),
194 CHAN5G(154, 0), CHAN5G(155, 0),
195 CHAN5G(156, 0), CHAN5G(157, 0),
196 CHAN5G(158, 0), CHAN5G(159, 0),
197 CHAN5G(160, 0), CHAN5G(161, 0),
198 CHAN5G(162, 0), CHAN5G(163, 0),
199 CHAN5G(164, 0), CHAN5G(165, 0),
200 CHAN5G(166, 0), CHAN5G(168, 0),
201 CHAN5G(170, 0), CHAN5G(172, 0),
202 CHAN5G(174, 0), CHAN5G(176, 0),
203 CHAN5G(178, 0), CHAN5G(180, 0),
204 CHAN5G(182, 0), CHAN5G(184, 0),
205 CHAN5G(186, 0), CHAN5G(188, 0),
206 CHAN5G(190, 0), CHAN5G(192, 0),
207 CHAN5G(194, 0), CHAN5G(196, 0),
208 CHAN5G(198, 0), CHAN5G(200, 0),
209 CHAN5G(202, 0), CHAN5G(204, 0),
210 CHAN5G(206, 0), CHAN5G(208, 0),
211 CHAN5G(210, 0), CHAN5G(212, 0),
212 CHAN5G(214, 0), CHAN5G(216, 0),
213 CHAN5G(218, 0), CHAN5G(220, 0),
214 CHAN5G(222, 0), CHAN5G(224, 0),
215 CHAN5G(226, 0), CHAN5G(228, 0),
216};
217
218static struct ieee80211_supported_band __wl_band_2ghz = {
219 .band = IEEE80211_BAND_2GHZ,
220 .channels = __wl_2ghz_channels,
221 .n_channels = ARRAY_SIZE(__wl_2ghz_channels),
222 .bitrates = wl_g_rates,
223 .n_bitrates = wl_g_rates_size,
224};
225
226static struct ieee80211_supported_band __wl_band_5ghz_a = {
227 .band = IEEE80211_BAND_5GHZ,
228 .channels = __wl_5ghz_a_channels,
229 .n_channels = ARRAY_SIZE(__wl_5ghz_a_channels),
230 .bitrates = wl_a_rates,
231 .n_bitrates = wl_a_rates_size,
232};
233
234static struct ieee80211_supported_band __wl_band_5ghz_n = {
235 .band = IEEE80211_BAND_5GHZ,
236 .channels = __wl_5ghz_n_channels,
237 .n_channels = ARRAY_SIZE(__wl_5ghz_n_channels),
238 .bitrates = wl_a_rates,
239 .n_bitrates = wl_a_rates_size,
240};
241
242static const u32 __wl_cipher_suites[] = {
243 WLAN_CIPHER_SUITE_WEP40,
244 WLAN_CIPHER_SUITE_WEP104,
245 WLAN_CIPHER_SUITE_TKIP,
246 WLAN_CIPHER_SUITE_CCMP,
247 WLAN_CIPHER_SUITE_AES_CMAC,
248};
249
f8e4b412
AB		 250/* tag_ID/length/value_buffer tuple */
251struct brcmf_tlv {
252 u8 id;
253 u8 len;
254 u8 data[1];
255};
256
ef6ac17a
AB		 257/* Quarter dBm units to mW
258 * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
259 * Table is offset so the last entry is largest mW value that fits in
260 * a u16.
261 */
262
263#define QDBM_OFFSET 153 /* Offset for first entry */
264#define QDBM_TABLE_LEN 40 /* Table size */
265
266/* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
267 * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
268 */
269#define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
270
271/* Largest mW value that will round down to the last table entry,
272 * QDBM_OFFSET + QDBM_TABLE_LEN-1.
273 * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
274 * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
275 */
276#define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
277
278static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
279/* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
280/* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
281/* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
282/* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
283/* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
284/* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
285};
286
287static u16 brcmf_qdbm_to_mw(u8 qdbm)
288{
289 uint factor = 1;
290 int idx = qdbm - QDBM_OFFSET;
291
292 if (idx >= QDBM_TABLE_LEN)
293 /* clamp to max u16 mW value */
294 return 0xFFFF;
295
296 /* scale the qdBm index up to the range of the table 0-40
297 * where an offset of 40 qdBm equals a factor of 10 mW.
298 */
299 while (idx < 0) {
300 idx += 40;
301 factor *= 10;
302 }
303
304 /* return the mW value scaled down to the correct factor of 10,
305 * adding in factor/2 to get proper rounding.
306 */
307 return (nqdBm_to_mW_map[idx] + factor / 2) / factor;
308}
309
310static u8 brcmf_mw_to_qdbm(u16 mw)
311{
312 u8 qdbm;
313 int offset;
314 uint mw_uint = mw;
315 uint boundary;
316
317 /* handle boundary case */
318 if (mw_uint <= 1)
319 return 0;
320
321 offset = QDBM_OFFSET;
322
323 /* move mw into the range of the table */
324 while (mw_uint < QDBM_TABLE_LOW_BOUND) {
325 mw_uint *= 10;
326 offset -= 40;
327 }
328
329 for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) {
330 boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] -
331 nqdBm_to_mW_map[qdbm]) / 2;
332 if (mw_uint < boundary)
333 break;
334 }
335
336 qdbm += (u8) offset;
337
338 return qdbm;
339}
340
5b435de0
AS		 341/* function for reading/writing a single u32 from/to the dongle */
342static int
343brcmf_exec_dcmd_u32(struct net_device *ndev, u32 cmd, u32 *par)
344{
345 int err;
346 __le32 par_le = cpu_to_le32(*par);
347
348 err = brcmf_exec_dcmd(ndev, cmd, &par_le, sizeof(__le32));
349 *par = le32_to_cpu(par_le);
350
351 return err;
352}
353
354static void convert_key_from_CPU(struct brcmf_wsec_key *key,
355 struct brcmf_wsec_key_le *key_le)
356{
357 key_le->index = cpu_to_le32(key->index);
358 key_le->len = cpu_to_le32(key->len);
359 key_le->algo = cpu_to_le32(key->algo);
360 key_le->flags = cpu_to_le32(key->flags);
361 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
362 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
363 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
364 memcpy(key_le->data, key->data, sizeof(key->data));
365 memcpy(key_le->ea, key->ea, sizeof(key->ea));
366}
367
368static int send_key_to_dongle(struct net_device *ndev,
369 struct brcmf_wsec_key *key)
370{
371 int err;
372 struct brcmf_wsec_key_le key_le;
373
374 convert_key_from_CPU(key, &key_le);
375 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_KEY, &key_le, sizeof(key_le));
376 if (err)
377 WL_ERR("WLC_SET_KEY error (%d)\n", err);
378 return err;
379}
380
381static s32
382brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
383 enum nl80211_iftype type, u32 *flags,
384 struct vif_params *params)
385{
386 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
387 struct wireless_dev *wdev;
388 s32 infra = 0;
389 s32 err = 0;
390
391 WL_TRACE("Enter\n");
392 if (!check_sys_up(wiphy))
393 return -EIO;
394
395 switch (type) {
396 case NL80211_IFTYPE_MONITOR:
397 case NL80211_IFTYPE_WDS:
398 WL_ERR("type (%d) : currently we do not support this type\n",
399 type);
400 return -EOPNOTSUPP;
401 case NL80211_IFTYPE_ADHOC:
402 cfg_priv->conf->mode = WL_MODE_IBSS;
403 infra = 0;
404 break;
405 case NL80211_IFTYPE_STATION:
406 cfg_priv->conf->mode = WL_MODE_BSS;
407 infra = 1;
408 break;
409 default:
410 err = -EINVAL;
411 goto done;
412 }
413
414 err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra);
415 if (err) {
416 WL_ERR("WLC_SET_INFRA error (%d)\n", err);
417 err = -EAGAIN;
418 } else {
419 wdev = ndev->ieee80211_ptr;
420 wdev->iftype = type;
421 }
422
423 WL_INFO("IF Type = %s\n",
424 (cfg_priv->conf->mode == WL_MODE_IBSS) ? "Adhoc" : "Infra");
425
426done:
427 WL_TRACE("Exit\n");
428
429 return err;
430}
431
432static s32 brcmf_dev_intvar_set(struct net_device *ndev, s8 *name, s32 val)
433{
434 s8 buf[BRCMF_DCMD_SMLEN];
435 u32 len;
436 s32 err = 0;
437 __le32 val_le;
438
439 val_le = cpu_to_le32(val);
53a2277d 440 len = brcmf_c_mkiovar(name, (char *)(&val_le), sizeof(val_le), buf,
5b435de0
AS		 441 sizeof(buf));
442 BUG_ON(!len);
443
444 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, buf, len);
445 if (err)
446 WL_ERR("error (%d)\n", err);
447
448 return err;
449}
450
451static s32
452brcmf_dev_intvar_get(struct net_device *ndev, s8 *name, s32 *retval)
453{
454 union {
455 s8 buf[BRCMF_DCMD_SMLEN];
456 __le32 val;
457 } var;
458 u32 len;
459 u32 data_null;
460 s32 err = 0;
461
462 len =
53a2277d 463 brcmf_c_mkiovar(name, (char *)(&data_null), 0, (char *)(&var),
5b435de0
AS		 464 sizeof(var.buf));
465 BUG_ON(!len);
466 err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, &var, len);
467 if (err)
468 WL_ERR("error (%d)\n", err);
469
470 *retval = le32_to_cpu(var.val);
471
472 return err;
473}
474
475static void brcmf_set_mpc(struct net_device *ndev, int mpc)
476{
477 s32 err = 0;
478 struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
479
480 if (test_bit(WL_STATUS_READY, &cfg_priv->status)) {
481 err = brcmf_dev_intvar_set(ndev, "mpc", mpc);
482 if (err) {
483 WL_ERR("fail to set mpc\n");
484 return;
485 }
486 WL_INFO("MPC : %d\n", mpc);
487 }
488}
489
490static void wl_iscan_prep(struct brcmf_scan_params_le *params_le,
491 struct brcmf_ssid *ssid)
492{
493 memcpy(params_le->bssid, ether_bcast, ETH_ALEN);
494 params_le->bss_type = DOT11_BSSTYPE_ANY;
495 params_le->scan_type = 0;
496 params_le->channel_num = 0;
497 params_le->nprobes = cpu_to_le32(-1);
498 params_le->active_time = cpu_to_le32(-1);
499 params_le->passive_time = cpu_to_le32(-1);
500 params_le->home_time = cpu_to_le32(-1);
501 if (ssid && ssid->SSID_len)
502 memcpy(&params_le->ssid_le, ssid, sizeof(struct brcmf_ssid));
503}
504
505static s32
506brcmf_dev_iovar_setbuf(struct net_device *ndev, s8 * iovar, void *param,
507 s32 paramlen, void *bufptr, s32 buflen)
508{
509 s32 iolen;
510
53a2277d 511 iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen);
5b435de0
AS		 512 BUG_ON(!iolen);
513
514 return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, bufptr, iolen);
515}
516
517static s32
518brcmf_dev_iovar_getbuf(struct net_device *ndev, s8 * iovar, void *param,
519 s32 paramlen, void *bufptr, s32 buflen)
520{
521 s32 iolen;
522
53a2277d 523 iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen);
5b435de0
AS		 524 BUG_ON(!iolen);
525
526 return brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, bufptr, buflen);
527}
528
529static s32
530brcmf_run_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan,
531 struct brcmf_ssid *ssid, u16 action)
532{
533 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
534 offsetof(struct brcmf_iscan_params_le, params_le);
535 struct brcmf_iscan_params_le *params;
536 s32 err = 0;
537
538 if (ssid && ssid->SSID_len)
539 params_size += sizeof(struct brcmf_ssid);
540 params = kzalloc(params_size, GFP_KERNEL);
541 if (!params)
542 return -ENOMEM;
543 BUG_ON(params_size >= BRCMF_DCMD_SMLEN);
544
545 wl_iscan_prep(&params->params_le, ssid);
546
547 params->version = cpu_to_le32(BRCMF_ISCAN_REQ_VERSION);
548 params->action = cpu_to_le16(action);
549 params->scan_duration = cpu_to_le16(0);
550
551 err = brcmf_dev_iovar_setbuf(iscan->ndev, "iscan", params, params_size,
552 iscan->dcmd_buf, BRCMF_DCMD_SMLEN);
553 if (err) {
554 if (err == -EBUSY)
555 WL_INFO("system busy : iscan canceled\n");
556 else
557 WL_ERR("error (%d)\n", err);
558 }
559
560 kfree(params);
561 return err;
562}
563
564static s32 brcmf_do_iscan(struct brcmf_cfg80211_priv *cfg_priv)
565{
566 struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv);
567 struct net_device *ndev = cfg_to_ndev(cfg_priv);
568 struct brcmf_ssid ssid;
66831075 569 __le32 passive_scan;
5b435de0
AS		 570 s32 err = 0;
571
572 /* Broadcast scan by default */
573 memset(&ssid, 0, sizeof(ssid));
574
575 iscan->state = WL_ISCAN_STATE_SCANING;
576
66831075 577 passive_scan = cfg_priv->active_scan ? 0 : cpu_to_le32(1);
5b435de0
AS		 578 err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCMF_C_SET_PASSIVE_SCAN,
579 &passive_scan, sizeof(passive_scan));
580 if (err) {
581 WL_ERR("error (%d)\n", err);
582 return err;
583 }
584 brcmf_set_mpc(ndev, 0);
585 cfg_priv->iscan_kickstart = true;
586 err = brcmf_run_iscan(iscan, &ssid, BRCMF_SCAN_ACTION_START);
587 if (err) {
588 brcmf_set_mpc(ndev, 1);
589 cfg_priv->iscan_kickstart = false;
590 return err;
591 }
592 mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000);
593 iscan->timer_on = 1;
594 return err;
595}
596
597static s32
598__brcmf_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
599 struct cfg80211_scan_request *request,
600 struct cfg80211_ssid *this_ssid)
601{
602 struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
603 struct cfg80211_ssid *ssids;
604 struct brcmf_cfg80211_scan_req *sr = cfg_priv->scan_req_int;
66831075 605 __le32 passive_scan;
5b435de0
AS		 606 bool iscan_req;
607 bool spec_scan;
608 s32 err = 0;
609 u32 SSID_len;
610
611 if (test_bit(WL_STATUS_SCANNING, &cfg_priv->status)) {
612 WL_ERR("Scanning already : status (%lu)\n", cfg_priv->status);
613 return -EAGAIN;
614 }
615 if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status)) {
616 WL_ERR("Scanning being aborted : status (%lu)\n",
617 cfg_priv->status);
618 return -EAGAIN;
619 }
620 if (test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) {
621 WL_ERR("Connecting : status (%lu)\n",
622 cfg_priv->status);
623 return -EAGAIN;
624 }
625
626 iscan_req = false;
627 spec_scan = false;
628 if (request) {
629 /* scan bss */
630 ssids = request->ssids;
631 if (cfg_priv->iscan_on && (!ssids || !ssids->ssid_len))
632 iscan_req = true;
633 } else {
634 /* scan in ibss */
635 /* we don't do iscan in ibss */
636 ssids = this_ssid;
637 }
638
639 cfg_priv->scan_request = request;
640 set_bit(WL_STATUS_SCANNING, &cfg_priv->status);
641 if (iscan_req) {
642 err = brcmf_do_iscan(cfg_priv);
643 if (!err)
644 return err;
645 else
646 goto scan_out;
647 } else {
648 WL_SCAN("ssid \"%s\", ssid_len (%d)\n",
649 ssids->ssid, ssids->ssid_len);
650 memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
651 SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
652 sr->ssid_le.SSID_len = cpu_to_le32(0);
653 if (SSID_len) {
654 memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
655 sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
656 spec_scan = true;
657 } else {
658 WL_SCAN("Broadcast scan\n");
659 }
660
66831075 661 passive_scan = cfg_priv->active_scan ? 0 : cpu_to_le32(1);
5b435de0
AS		 662 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN,
663 &passive_scan, sizeof(passive_scan));
664 if (err) {
665 WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
666 goto scan_out;
667 }
668 brcmf_set_mpc(ndev, 0);
669 err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, &sr->ssid_le,
670 sizeof(sr->ssid_le));
671 if (err) {
672 if (err == -EBUSY)
673 WL_INFO("system busy : scan for \"%s\" "
674 "canceled\n", sr->ssid_le.SSID);
675 else
676 WL_ERR("WLC_SCAN error (%d)\n", err);
677
678 brcmf_set_mpc(ndev, 1);
679 goto scan_out;
680 }
681 }
682
683 return 0;
684
685scan_out:
686 clear_bit(WL_STATUS_SCANNING, &cfg_priv->status);
687 cfg_priv->scan_request = NULL;
688 return err;
689}
690
691static s32
692brcmf_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
693 struct cfg80211_scan_request *request)
694{
695 s32 err = 0;
696
697 WL_TRACE("Enter\n");
698
699 if (!check_sys_up(wiphy))
700 return -EIO;
701
702 err = __brcmf_cfg80211_scan(wiphy, ndev, request, NULL);
703 if (err)
704 WL_ERR("scan error (%d)\n", err);
705
706 WL_TRACE("Exit\n");
707 return err;
708}
709
710static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
711{
712 s32 err = 0;
713
714 err = brcmf_dev_intvar_set(ndev, "rtsthresh", rts_threshold);
715 if (err)
716 WL_ERR("Error (%d)\n", err);
717
718 return err;
719}
720
721static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
722{
723 s32 err = 0;
724
725 err = brcmf_dev_intvar_set(ndev, "fragthresh", frag_threshold);
726 if (err)
727 WL_ERR("Error (%d)\n", err);
728
729 return err;
730}
731
732static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
733{
734 s32 err = 0;
735 u32 cmd = (l ? BRCM_SET_LRL : BRCM_SET_SRL);
736
737 err = brcmf_exec_dcmd_u32(ndev, cmd, &retry);
738 if (err) {
739 WL_ERR("cmd (%d) , error (%d)\n", cmd, err);
740 return err;
741 }
742 return err;
743}
744
745static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
746{
747 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
748 struct net_device *ndev = cfg_to_ndev(cfg_priv);
749 s32 err = 0;
750
751 WL_TRACE("Enter\n");
752 if (!check_sys_up(wiphy))
753 return -EIO;
754
755 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
756 (cfg_priv->conf->rts_threshold != wiphy->rts_threshold)) {
757 cfg_priv->conf->rts_threshold = wiphy->rts_threshold;
758 err = brcmf_set_rts(ndev, cfg_priv->conf->rts_threshold);
759 if (!err)
760 goto done;
761 }
762 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
763 (cfg_priv->conf->frag_threshold != wiphy->frag_threshold)) {
764 cfg_priv->conf->frag_threshold = wiphy->frag_threshold;
765 err = brcmf_set_frag(ndev, cfg_priv->conf->frag_threshold);
766 if (!err)
767 goto done;
768 }
769 if (changed & WIPHY_PARAM_RETRY_LONG
770 && (cfg_priv->conf->retry_long != wiphy->retry_long)) {
771 cfg_priv->conf->retry_long = wiphy->retry_long;
772 err = brcmf_set_retry(ndev, cfg_priv->conf->retry_long, true);
773 if (!err)
774 goto done;
775 }
776 if (changed & WIPHY_PARAM_RETRY_SHORT
777 && (cfg_priv->conf->retry_short != wiphy->retry_short)) {
778 cfg_priv->conf->retry_short = wiphy->retry_short;
779 err = brcmf_set_retry(ndev, cfg_priv->conf->retry_short, false);
780 if (!err)
781 goto done;
782 }
783
784done:
785 WL_TRACE("Exit\n");
786 return err;
787}
788
789static void *brcmf_read_prof(struct brcmf_cfg80211_priv *cfg_priv, s32 item)
790{
791 switch (item) {
792 case WL_PROF_SEC:
793 return &cfg_priv->profile->sec;
794 case WL_PROF_BSSID:
795 return &cfg_priv->profile->bssid;
796 case WL_PROF_SSID:
797 return &cfg_priv->profile->ssid;
798 }
799 WL_ERR("invalid item (%d)\n", item);
800 return NULL;
801}
802
803static s32
804brcmf_update_prof(struct brcmf_cfg80211_priv *cfg_priv,
805 const struct brcmf_event_msg *e, void *data, s32 item)
806{
807 s32 err = 0;
808 struct brcmf_ssid *ssid;
809
810 switch (item) {
811 case WL_PROF_SSID:
812 ssid = (struct brcmf_ssid *) data;
813 memset(cfg_priv->profile->ssid.SSID, 0,
814 sizeof(cfg_priv->profile->ssid.SSID));
815 memcpy(cfg_priv->profile->ssid.SSID,
816 ssid->SSID, ssid->SSID_len);
817 cfg_priv->profile->ssid.SSID_len = ssid->SSID_len;
818 break;
819 case WL_PROF_BSSID:
820 if (data)
821 memcpy(cfg_priv->profile->bssid, data, ETH_ALEN);
822 else
823 memset(cfg_priv->profile->bssid, 0, ETH_ALEN);
824 break;
825 case WL_PROF_SEC:
826 memcpy(&cfg_priv->profile->sec, data,
827 sizeof(cfg_priv->profile->sec));
828 break;
829 case WL_PROF_BEACONINT:
830 cfg_priv->profile->beacon_interval = *(u16 *)data;
831 break;
832 case WL_PROF_DTIMPERIOD:
833 cfg_priv->profile->dtim_period = *(u8 *)data;
834 break;
835 default:
836 WL_ERR("unsupported item (%d)\n", item);
837 err = -EOPNOTSUPP;
838 break;
839 }
840
841 return err;
842}
843
844static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
845{
846 memset(prof, 0, sizeof(*prof));
847}
848
849static void brcmf_ch_to_chanspec(int ch, struct brcmf_join_params *join_params,
850 size_t *join_params_size)
851{
852 u16 chanspec = 0;
853
854 if (ch != 0) {
855 if (ch <= CH_MAX_2G_CHANNEL)
856 chanspec |= WL_CHANSPEC_BAND_2G;
857 else
858 chanspec |= WL_CHANSPEC_BAND_5G;
859
860 chanspec |= WL_CHANSPEC_BW_20;
861 chanspec |= WL_CHANSPEC_CTL_SB_NONE;
862
863 *join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE +
864 sizeof(u16);
865
866 chanspec |= (ch & WL_CHANSPEC_CHAN_MASK);
867 join_params->params_le.chanspec_list[0] = cpu_to_le16(chanspec);
868 join_params->params_le.chanspec_num = cpu_to_le32(1);
869
870 WL_CONN("join_params->params.chanspec_list[0]= %#X,"
871 "channel %d, chanspec %#X\n",
872 chanspec, ch, chanspec);
873 }
874}
875
876static void brcmf_link_down(struct brcmf_cfg80211_priv *cfg_priv)
877{
878 struct net_device *ndev = NULL;
879 s32 err = 0;
880
881 WL_TRACE("Enter\n");
882
883 if (cfg_priv->link_up) {
884 ndev = cfg_to_ndev(cfg_priv);
885 WL_INFO("Call WLC_DISASSOC to stop excess roaming\n ");
886 err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, NULL, 0);
887 if (err)
888 WL_ERR("WLC_DISASSOC failed (%d)\n", err);
889 cfg_priv->link_up = false;
890 }
891 WL_TRACE("Exit\n");
892}
893
894static s32
895brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
896 struct cfg80211_ibss_params *params)
897{
898 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
899 struct brcmf_join_params join_params;
900 size_t join_params_size = 0;
901 s32 err = 0;
902 s32 wsec = 0;
903 s32 bcnprd;
904 struct brcmf_ssid ssid;
905
906 WL_TRACE("Enter\n");
907 if (!check_sys_up(wiphy))
908 return -EIO;
909
910 if (params->ssid)
911 WL_CONN("SSID: %s\n", params->ssid);
912 else {
913 WL_CONN("SSID: NULL, Not supported\n");
914 return -EOPNOTSUPP;
915 }
916
917 set_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
918
919 if (params->bssid)
920 WL_CONN("BSSID: %02X %02X %02X %02X %02X %02X\n",
921 params->bssid[0], params->bssid[1], params->bssid[2],
922 params->bssid[3], params->bssid[4], params->bssid[5]);
923 else
924 WL_CONN("No BSSID specified\n");
925
926 if (params->channel)
927 WL_CONN("channel: %d\n", params->channel->center_freq);
928 else
929 WL_CONN("no channel specified\n");
930
931 if (params->channel_fixed)
932 WL_CONN("fixed channel required\n");
933 else
934 WL_CONN("no fixed channel required\n");
935
936 if (params->ie && params->ie_len)
937 WL_CONN("ie len: %d\n", params->ie_len);
938 else
939 WL_CONN("no ie specified\n");
940
941 if (params->beacon_interval)
942 WL_CONN("beacon interval: %d\n", params->beacon_interval);
943 else
944 WL_CONN("no beacon interval specified\n");
945
946 if (params->basic_rates)
947 WL_CONN("basic rates: %08X\n", params->basic_rates);
948 else
949 WL_CONN("no basic rates specified\n");
950
951 if (params->privacy)
952 WL_CONN("privacy required\n");
953 else
954 WL_CONN("no privacy required\n");
955
956 /* Configure Privacy for starter */
957 if (params->privacy)
958 wsec |= WEP_ENABLED;
959
960 err = brcmf_dev_intvar_set(ndev, "wsec", wsec);
961 if (err) {
962 WL_ERR("wsec failed (%d)\n", err);
963 goto done;
964 }
965
966 /* Configure Beacon Interval for starter */
967 if (params->beacon_interval)
968 bcnprd = params->beacon_interval;
969 else
970 bcnprd = 100;
971
972 err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_BCNPRD, &bcnprd);
973 if (err) {
974 WL_ERR("WLC_SET_BCNPRD failed (%d)\n", err);
975 goto done;
976 }
977
978 /* Configure required join parameter */
979 memset(&join_params, 0, sizeof(struct brcmf_join_params));
980
981 /* SSID */
982 ssid.SSID_len = min_t(u32, params->ssid_len, 32);
983 memcpy(ssid.SSID, params->ssid, ssid.SSID_len);
984 memcpy(join_params.ssid_le.SSID, params->ssid, ssid.SSID_len);
985 join_params.ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len);
986 join_params_size = sizeof(join_params.ssid_le);
987 brcmf_update_prof(cfg_priv, NULL, &ssid, WL_PROF_SSID);
988
989 /* BSSID */
990 if (params->bssid) {
991 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
992 join_params_size = sizeof(join_params.ssid_le) +
993 BRCMF_ASSOC_PARAMS_FIXED_SIZE;
994 } else {
995 memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN);
996 }
997
998 brcmf_update_prof(cfg_priv, NULL,
999 &join_params.params_le.bssid, WL_PROF_BSSID);
1000
1001 /* Channel */
1002 if (params->channel) {
1003 u32 target_channel;
1004
1005 cfg_priv->channel =
1006 ieee80211_frequency_to_channel(
1007 params->channel->center_freq);
1008 if (params->channel_fixed) {
1009 /* adding chanspec */
1010 brcmf_ch_to_chanspec(cfg_priv->channel,
1011 &join_params, &join_params_size);
1012 }
1013
1014 /* set channel for starter */
1015 target_channel = cfg_priv->channel;
1016 err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_CHANNEL,
1017 &target_channel);
1018 if (err) {
1019 WL_ERR("WLC_SET_CHANNEL failed (%d)\n", err);
1020 goto done;
1021 }
1022 } else
1023 cfg_priv->channel = 0;
1024
1025 cfg_priv->ibss_starter = false;
1026
1027
1028 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID,
1029 &join_params, join_params_size);
1030 if (err) {
1031 WL_ERR("WLC_SET_SSID failed (%d)\n", err);
1032 goto done;
1033 }
1034
1035done:
1036 if (err)
1037 clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
1038 WL_TRACE("Exit\n");
1039 return err;
1040}
1041
1042static s32
1043brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1044{
1045 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
1046 s32 err = 0;
1047
1048 WL_TRACE("Enter\n");
1049 if (!check_sys_up(wiphy))
1050 return -EIO;
1051
1052 brcmf_link_down(cfg_priv);
1053
1054 WL_TRACE("Exit\n");
1055
1056 return err;
1057}
1058
1059static s32 brcmf_set_wpa_version(struct net_device *ndev,
1060 struct cfg80211_connect_params *sme)
1061{
1062 struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
1063 struct brcmf_cfg80211_security *sec;
1064 s32 val = 0;
1065 s32 err = 0;
1066
1067 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1068 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1069 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1070 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1071 else
1072 val = WPA_AUTH_DISABLED;
1073 WL_CONN("setting wpa_auth to 0x%0x\n", val);
1074 err = brcmf_dev_intvar_set(ndev, "wpa_auth", val);
1075 if (err) {
1076 WL_ERR("set wpa_auth failed (%d)\n", err);
1077 return err;
1078 }
1079 sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
1080 sec->wpa_versions = sme->crypto.wpa_versions;
1081 return err;
1082}
1083
1084static s32 brcmf_set_auth_type(struct net_device *ndev,
1085 struct cfg80211_connect_params *sme)
1086{
1087 struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
1088 struct brcmf_cfg80211_security *sec;
1089 s32 val = 0;
1090 s32 err = 0;
1091
1092 switch (sme->auth_type) {
1093 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1094 val = 0;
1095 WL_CONN("open system\n");
1096 break;
1097 case NL80211_AUTHTYPE_SHARED_KEY:
1098 val = 1;
1099 WL_CONN("shared key\n");
1100 break;
1101 case NL80211_AUTHTYPE_AUTOMATIC:
1102 val = 2;
1103 WL_CONN("automatic\n");
1104 break;
1105 case NL80211_AUTHTYPE_NETWORK_EAP:
1106 WL_CONN("network eap\n");
1107 default:
1108 val = 2;
1109 WL_ERR("invalid auth type (%d)\n", sme->auth_type);
1110 break;
1111 }
1112
1113 err = brcmf_dev_intvar_set(ndev, "auth", val);
1114 if (err) {
1115 WL_ERR("set auth failed (%d)\n", err);
1116 return err;
1117 }
1118 sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
1119 sec->auth_type = sme->auth_type;
1120 return err;
1121}
1122
1123static s32
1124brcmf_set_set_cipher(struct net_device *ndev,
1125 struct cfg80211_connect_params *sme)
1126{
1127 struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
1128 struct brcmf_cfg80211_security *sec;
1129 s32 pval = 0;
1130 s32 gval = 0;
1131 s32 err = 0;
1132
1133 if (sme->crypto.n_ciphers_pairwise) {
1134 switch (sme->crypto.ciphers_pairwise[0]) {
1135 case WLAN_CIPHER_SUITE_WEP40:
1136 case WLAN_CIPHER_SUITE_WEP104:
1137 pval = WEP_ENABLED;
1138 break;
1139 case WLAN_CIPHER_SUITE_TKIP:
1140 pval = TKIP_ENABLED;
1141 break;
1142 case WLAN_CIPHER_SUITE_CCMP:
1143 pval = AES_ENABLED;
1144 break;
1145 case WLAN_CIPHER_SUITE_AES_CMAC:
1146 pval = AES_ENABLED;
1147 break;
1148 default:
1149 WL_ERR("invalid cipher pairwise (%d)\n",
1150 sme->crypto.ciphers_pairwise[0]);
1151 return -EINVAL;
1152 }
1153 }
1154 if (sme->crypto.cipher_group) {
1155 switch (sme->crypto.cipher_group) {
1156 case WLAN_CIPHER_SUITE_WEP40:
1157 case WLAN_CIPHER_SUITE_WEP104:
1158 gval = WEP_ENABLED;
1159 break;
1160 case WLAN_CIPHER_SUITE_TKIP:
1161 gval = TKIP_ENABLED;
1162 break;
1163 case WLAN_CIPHER_SUITE_CCMP:
1164 gval = AES_ENABLED;
1165 break;
1166 case WLAN_CIPHER_SUITE_AES_CMAC:
1167 gval = AES_ENABLED;
1168 break;
1169 default:
1170 WL_ERR("invalid cipher group (%d)\n",
1171 sme->crypto.cipher_group);
1172 return -EINVAL;
1173 }
1174 }
1175
1176 WL_CONN("pval (%d) gval (%d)\n", pval, gval);
1177 err = brcmf_dev_intvar_set(ndev, "wsec", pval | gval);
1178 if (err) {
1179 WL_ERR("error (%d)\n", err);
1180 return err;
1181 }
1182
1183 sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
1184 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1185 sec->cipher_group = sme->crypto.cipher_group;
1186
1187 return err;
1188}
1189
1190static s32
1191brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1192{
1193 struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
1194 struct brcmf_cfg80211_security *sec;
1195 s32 val = 0;
1196 s32 err = 0;
1197
1198 if (sme->crypto.n_akm_suites) {
1199 err = brcmf_dev_intvar_get(ndev, "wpa_auth", &val);
1200 if (err) {
1201 WL_ERR("could not get wpa_auth (%d)\n", err);
1202 return err;
1203 }
1204 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1205 switch (sme->crypto.akm_suites[0]) {
1206 case WLAN_AKM_SUITE_8021X:
1207 val = WPA_AUTH_UNSPECIFIED;
1208 break;
1209 case WLAN_AKM_SUITE_PSK:
1210 val = WPA_AUTH_PSK;
1211 break;
1212 default:
1213 WL_ERR("invalid cipher group (%d)\n",
1214 sme->crypto.cipher_group);
1215 return -EINVAL;
1216 }
1217 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1218 switch (sme->crypto.akm_suites[0]) {
1219 case WLAN_AKM_SUITE_8021X:
1220 val = WPA2_AUTH_UNSPECIFIED;
1221 break;
1222 case WLAN_AKM_SUITE_PSK:
1223 val = WPA2_AUTH_PSK;
1224 break;
1225 default:
1226 WL_ERR("invalid cipher group (%d)\n",
1227 sme->crypto.cipher_group);
1228 return -EINVAL;
1229 }
1230 }
1231
1232 WL_CONN("setting wpa_auth to %d\n", val);
1233 err = brcmf_dev_intvar_set(ndev, "wpa_auth", val);
1234 if (err) {
1235 WL_ERR("could not set wpa_auth (%d)\n", err);
1236 return err;
1237 }
1238 }
1239 sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
1240 sec->wpa_auth = sme->crypto.akm_suites[0];
1241
1242 return err;
1243}
1244
1245static s32
a718e2fe 1246brcmf_set_wep_sharedkey(struct net_device *ndev,
5b435de0
AS		 1247 struct cfg80211_connect_params *sme)
1248{
1249 struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
1250 struct brcmf_cfg80211_security *sec;
1251 struct brcmf_wsec_key key;
1252 s32 val;
1253 s32 err = 0;
1254
1255 WL_CONN("key len (%d)\n", sme->key_len);
5b435de0 1256
a718e2fe
RV		 1257 if (sme->key_len == 0)
1258 return 0;
1259
1260 sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
1261 WL_CONN("wpa_versions 0x%x cipher_pairwise 0x%x\n",
1262 sec->wpa_versions, sec->cipher_pairwise);
1263
1264 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1265 return 0;
1266
1267 if (sec->cipher_pairwise &
1268 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)) {
1269 memset(&key, 0, sizeof(key));
1270 key.len = (u32) sme->key_len;
1271 key.index = (u32) sme->key_idx;
1272 if (key.len > sizeof(key.data)) {
1273 WL_ERR("Too long key length (%u)\n", key.len);
1274 return -EINVAL;
1275 }
1276 memcpy(key.data, sme->key, key.len);
1277 key.flags = BRCMF_PRIMARY_KEY;
1278 switch (sec->cipher_pairwise) {
1279 case WLAN_CIPHER_SUITE_WEP40:
1280 key.algo = CRYPTO_ALGO_WEP1;
1281 break;
1282 case WLAN_CIPHER_SUITE_WEP104:
1283 key.algo = CRYPTO_ALGO_WEP128;
1284 break;
1285 default:
1286 WL_ERR("Invalid algorithm (%d)\n",
1287 sme->crypto.ciphers_pairwise[0]);
1288 return -EINVAL;
1289 }
1290 /* Set the new key/index */
1291 WL_CONN("key length (%d) key index (%d) algo (%d)\n",
1292 key.len, key.index, key.algo);
1293 WL_CONN("key \"%s\"\n", key.data);
1294 err = send_key_to_dongle(ndev, &key);
1295 if (err)
1296 return err;
1297
1298 if (sec->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) {
1299 WL_CONN("set auth_type to shared key\n");
1300 val = 1; /* shared key */
1301 err = brcmf_dev_intvar_set(ndev, "auth", val);
1302 if (err) {
1303 WL_ERR("set auth failed (%d)\n", err);
1304 return err;
5b435de0
AS		 1305 }
1306 }
1307 }
1308 return err;
1309}
1310
1311static s32
1312brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
1313 struct cfg80211_connect_params *sme)
1314{
1315 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
1316 struct ieee80211_channel *chan = sme->channel;
1317 struct brcmf_join_params join_params;
1318 size_t join_params_size;
1319 struct brcmf_ssid ssid;
1320
1321 s32 err = 0;
1322
1323 WL_TRACE("Enter\n");
1324 if (!check_sys_up(wiphy))
1325 return -EIO;
1326
1327 if (!sme->ssid) {
1328 WL_ERR("Invalid ssid\n");
1329 return -EOPNOTSUPP;
1330 }
1331
1332 set_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
1333
1334 if (chan) {
1335 cfg_priv->channel =
1336 ieee80211_frequency_to_channel(chan->center_freq);
1337 WL_CONN("channel (%d), center_req (%d)\n",
1338 cfg_priv->channel, chan->center_freq);
1339 } else
1340 cfg_priv->channel = 0;
1341
1342 WL_INFO("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
1343
1344 err = brcmf_set_wpa_version(ndev, sme);
1345 if (err) {
1346 WL_ERR("wl_set_wpa_version failed (%d)\n", err);
1347 goto done;
1348 }
1349
1350 err = brcmf_set_auth_type(ndev, sme);
1351 if (err) {
1352 WL_ERR("wl_set_auth_type failed (%d)\n", err);
1353 goto done;
1354 }
1355
1356 err = brcmf_set_set_cipher(ndev, sme);
1357 if (err) {
1358 WL_ERR("wl_set_set_cipher failed (%d)\n", err);
1359 goto done;
1360 }
1361
1362 err = brcmf_set_key_mgmt(ndev, sme);
1363 if (err) {
1364 WL_ERR("wl_set_key_mgmt failed (%d)\n", err);
1365 goto done;
1366 }
1367
a718e2fe 1368 err = brcmf_set_wep_sharedkey(ndev, sme);
5b435de0 1369 if (err) {
a718e2fe 1370 WL_ERR("brcmf_set_wep_sharedkey failed (%d)\n", err);
5b435de0
AS		 1371 goto done;
1372 }
1373
1374 memset(&join_params, 0, sizeof(join_params));
1375 join_params_size = sizeof(join_params.ssid_le);
1376
1377 ssid.SSID_len = min_t(u32, sizeof(ssid.SSID), sme->ssid_len);
1378 memcpy(&join_params.ssid_le.SSID, sme->ssid, ssid.SSID_len);
1379 memcpy(&ssid.SSID, sme->ssid, ssid.SSID_len);
1380 join_params.ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len);
1381 brcmf_update_prof(cfg_priv, NULL, &ssid, WL_PROF_SSID);
1382
1383 memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN);
1384
1385 if (ssid.SSID_len < IEEE80211_MAX_SSID_LEN)
1386 WL_CONN("ssid \"%s\", len (%d)\n",
1387 ssid.SSID, ssid.SSID_len);
1388
1389 brcmf_ch_to_chanspec(cfg_priv->channel,
1390 &join_params, &join_params_size);
1391 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID,
1392 &join_params, join_params_size);
1393 if (err)
1394 WL_ERR("WLC_SET_SSID failed (%d)\n", err);
1395
1396done:
1397 if (err)
1398 clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
1399 WL_TRACE("Exit\n");
1400 return err;
1401}
1402
1403static s32
1404brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1405 u16 reason_code)
1406{
1407 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
1408 struct brcmf_scb_val_le scbval;
1409 s32 err = 0;
1410
1411 WL_TRACE("Enter. Reason code = %d\n", reason_code);
1412 if (!check_sys_up(wiphy))
1413 return -EIO;
1414
1415 clear_bit(WL_STATUS_CONNECTED, &cfg_priv->status);
1416
1417 memcpy(&scbval.ea, brcmf_read_prof(cfg_priv, WL_PROF_BSSID), ETH_ALEN);
1418 scbval.val = cpu_to_le32(reason_code);
1419 err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, &scbval,
1420 sizeof(struct brcmf_scb_val_le));
1421 if (err)
1422 WL_ERR("error (%d)\n", err);
1423
1424 cfg_priv->link_up = false;
1425
1426 WL_TRACE("Exit\n");
1427 return err;
1428}
1429
1430static s32
1431brcmf_cfg80211_set_tx_power(struct wiphy *wiphy,
1432 enum nl80211_tx_power_setting type, s32 dbm)
1433{
1434
1435 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
1436 struct net_device *ndev = cfg_to_ndev(cfg_priv);
1437 u16 txpwrmw;
1438 s32 err = 0;
1439 s32 disable = 0;
1440
1441 WL_TRACE("Enter\n");
1442 if (!check_sys_up(wiphy))
1443 return -EIO;
1444
1445 switch (type) {
1446 case NL80211_TX_POWER_AUTOMATIC:
1447 break;
1448 case NL80211_TX_POWER_LIMITED:
1449 if (dbm < 0) {
1450 WL_ERR("TX_POWER_LIMITED - dbm is negative\n");
1451 err = -EINVAL;
1452 goto done;
1453 }
1454 break;
1455 case NL80211_TX_POWER_FIXED:
1456 if (dbm < 0) {
1457 WL_ERR("TX_POWER_FIXED - dbm is negative\n");
1458 err = -EINVAL;
1459 goto done;
1460 }
1461 break;
1462 }
1463 /* Make sure radio is off or on as far as software is concerned */
1464 disable = WL_RADIO_SW_DISABLE << 16;
1465 err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_RADIO, &disable);
1466 if (err)
1467 WL_ERR("WLC_SET_RADIO error (%d)\n", err);
1468
1469 if (dbm > 0xffff)
1470 txpwrmw = 0xffff;
1471 else
1472 txpwrmw = (u16) dbm;
1473 err = brcmf_dev_intvar_set(ndev, "qtxpower",
ef6ac17a 1474 (s32) (brcmf_mw_to_qdbm(txpwrmw)));
5b435de0
AS		 1475 if (err)
1476 WL_ERR("qtxpower error (%d)\n", err);
1477 cfg_priv->conf->tx_power = dbm;
1478
1479done:
1480 WL_TRACE("Exit\n");
1481 return err;
1482}
1483
1484static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm)
1485{
1486 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
1487 struct net_device *ndev = cfg_to_ndev(cfg_priv);
1488 s32 txpwrdbm;
1489 u8 result;
1490 s32 err = 0;
1491
1492 WL_TRACE("Enter\n");
1493 if (!check_sys_up(wiphy))
1494 return -EIO;
1495
1496 err = brcmf_dev_intvar_get(ndev, "qtxpower", &txpwrdbm);
1497 if (err) {
1498 WL_ERR("error (%d)\n", err);
1499 goto done;
1500 }
1501
1502 result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
ef6ac17a 1503 *dbm = (s32) brcmf_qdbm_to_mw(result);
5b435de0
AS		 1504
1505done:
1506 WL_TRACE("Exit\n");
1507 return err;
1508}
1509
1510static s32
1511brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
1512 u8 key_idx, bool unicast, bool multicast)
1513{
1514 u32 index;
1515 u32 wsec;
1516 s32 err = 0;
1517
1518 WL_TRACE("Enter\n");
1519 WL_CONN("key index (%d)\n", key_idx);
1520 if (!check_sys_up(wiphy))
1521 return -EIO;
1522
1523 err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_WSEC, &wsec);
1524 if (err) {
1525 WL_ERR("WLC_GET_WSEC error (%d)\n", err);
1526 goto done;
1527 }
1528
1529 if (wsec & WEP_ENABLED) {
1530 /* Just select a new current key */
1531 index = key_idx;
1532 err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_KEY_PRIMARY,
1533 &index);
1534 if (err)
1535 WL_ERR("error (%d)\n", err);
1536 }
1537done:
1538 WL_TRACE("Exit\n");
1539 return err;
1540}
1541
1542static s32
1543brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
1544 u8 key_idx, const u8 *mac_addr, struct key_params *params)
1545{
1546 struct brcmf_wsec_key key;
1547 struct brcmf_wsec_key_le key_le;
1548 s32 err = 0;
1549
1550 memset(&key, 0, sizeof(key));
1551 key.index = (u32) key_idx;
1552 /* Instead of bcast for ea address for default wep keys,
1553 driver needs it to be Null */
1554 if (!is_multicast_ether_addr(mac_addr))
1555 memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
1556 key.len = (u32) params->key_len;
1557 /* check for key index change */
1558 if (key.len == 0) {
1559 /* key delete */
1560 err = send_key_to_dongle(ndev, &key);
1561 if (err)
1562 return err;
1563 } else {
1564 if (key.len > sizeof(key.data)) {
1565 WL_ERR("Invalid key length (%d)\n", key.len);
1566 return -EINVAL;
1567 }
1568
1569 WL_CONN("Setting the key index %d\n", key.index);
1570 memcpy(key.data, params->key, key.len);
1571
1572 if (params->cipher == WLAN_CIPHER_SUITE_TKIP) {
1573 u8 keybuf[8];
1574 memcpy(keybuf, &key.data[24], sizeof(keybuf));
1575 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
1576 memcpy(&key.data[16], keybuf, sizeof(keybuf));
1577 }
1578
1579 /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
1580 if (params->seq && params->seq_len == 6) {
1581 /* rx iv */
1582 u8 *ivptr;
1583 ivptr = (u8 *) params->seq;
1584 key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
1585 (ivptr[3] << 8) | ivptr[2];
1586 key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
1587 key.iv_initialized = true;
1588 }
1589
1590 switch (params->cipher) {
1591 case WLAN_CIPHER_SUITE_WEP40:
1592 key.algo = CRYPTO_ALGO_WEP1;
1593 WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
1594 break;
1595 case WLAN_CIPHER_SUITE_WEP104:
1596 key.algo = CRYPTO_ALGO_WEP128;
1597 WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
1598 break;
1599 case WLAN_CIPHER_SUITE_TKIP:
1600 key.algo = CRYPTO_ALGO_TKIP;
1601 WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
1602 break;
1603 case WLAN_CIPHER_SUITE_AES_CMAC:
1604 key.algo = CRYPTO_ALGO_AES_CCM;
1605 WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
1606 break;
1607 case WLAN_CIPHER_SUITE_CCMP:
1608 key.algo = CRYPTO_ALGO_AES_CCM;
1609 WL_CONN("WLAN_CIPHER_SUITE_CCMP\n");
1610 break;
1611 default:
1612 WL_ERR("Invalid cipher (0x%x)\n", params->cipher);
1613 return -EINVAL;
1614 }
1615 convert_key_from_CPU(&key, &key_le);
1616
1617 brcmf_netdev_wait_pend8021x(ndev);
1618 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_KEY, &key_le,
1619 sizeof(key_le));
1620 if (err) {
1621 WL_ERR("WLC_SET_KEY error (%d)\n", err);
1622 return err;
1623 }
1624 }
1625 return err;
1626}
1627
1628static s32
1629brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1630 u8 key_idx, bool pairwise, const u8 *mac_addr,
1631 struct key_params *params)
1632{
1633 struct brcmf_wsec_key key;
1634 s32 val;
1635 s32 wsec;
1636 s32 err = 0;
1637 u8 keybuf[8];
1638
1639 WL_TRACE("Enter\n");
1640 WL_CONN("key index (%d)\n", key_idx);
1641 if (!check_sys_up(wiphy))
1642 return -EIO;
1643
1644 if (mac_addr) {
1645 WL_TRACE("Exit");
1646 return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
1647 }
1648 memset(&key, 0, sizeof(key));
1649
1650 key.len = (u32) params->key_len;
1651 key.index = (u32) key_idx;
1652
1653 if (key.len > sizeof(key.data)) {
1654 WL_ERR("Too long key length (%u)\n", key.len);
1655 err = -EINVAL;
1656 goto done;
1657 }
1658 memcpy(key.data, params->key, key.len);
1659
1660 key.flags = BRCMF_PRIMARY_KEY;
1661 switch (params->cipher) {
1662 case WLAN_CIPHER_SUITE_WEP40:
1663 key.algo = CRYPTO_ALGO_WEP1;
1664 WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
1665 break;
1666 case WLAN_CIPHER_SUITE_WEP104:
1667 key.algo = CRYPTO_ALGO_WEP128;
1668 WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
1669 break;
1670 case WLAN_CIPHER_SUITE_TKIP:
1671 memcpy(keybuf, &key.data[24], sizeof(keybuf));
1672 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
1673 memcpy(&key.data[16], keybuf, sizeof(keybuf));
1674 key.algo = CRYPTO_ALGO_TKIP;
1675 WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
1676 break;
1677 case WLAN_CIPHER_SUITE_AES_CMAC:
1678 key.algo = CRYPTO_ALGO_AES_CCM;
1679 WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
1680 break;
1681 case WLAN_CIPHER_SUITE_CCMP:
1682 key.algo = CRYPTO_ALGO_AES_CCM;
1683 WL_CONN("WLAN_CIPHER_SUITE_CCMP\n");
1684 break;
1685 default:
1686 WL_ERR("Invalid cipher (0x%x)\n", params->cipher);
1687 err = -EINVAL;
1688 goto done;
1689 }
1690
1691 err = send_key_to_dongle(ndev, &key); /* Set the new key/index */
1692 if (err)
1693 goto done;
1694
1695 val = WEP_ENABLED;
1696 err = brcmf_dev_intvar_get(ndev, "wsec", &wsec);
1697 if (err) {
1698 WL_ERR("get wsec error (%d)\n", err);
1699 goto done;
1700 }
1701 wsec &= ~(WEP_ENABLED);
1702 wsec |= val;
1703 err = brcmf_dev_intvar_set(ndev, "wsec", wsec);
1704 if (err) {
1705 WL_ERR("set wsec error (%d)\n", err);
1706 goto done;
1707 }
1708
1709 val = 1; /* assume shared key. otherwise 0 */
1710 err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AUTH, &val);
1711 if (err)
1712 WL_ERR("WLC_SET_AUTH error (%d)\n", err);
1713done:
1714 WL_TRACE("Exit\n");
1715 return err;
1716}
1717
1718static s32
1719brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1720 u8 key_idx, bool pairwise, const u8 *mac_addr)
1721{
1722 struct brcmf_wsec_key key;
1723 s32 err = 0;
1724 s32 val;
1725 s32 wsec;
1726
1727 WL_TRACE("Enter\n");
1728 if (!check_sys_up(wiphy))
1729 return -EIO;
1730
1731 memset(&key, 0, sizeof(key));
1732
1733 key.index = (u32) key_idx;
1734 key.flags = BRCMF_PRIMARY_KEY;
1735 key.algo = CRYPTO_ALGO_OFF;
1736
1737 WL_CONN("key index (%d)\n", key_idx);
1738
1739 /* Set the new key/index */
1740 err = send_key_to_dongle(ndev, &key);
1741 if (err) {
1742 if (err == -EINVAL) {
1743 if (key.index >= DOT11_MAX_DEFAULT_KEYS)
1744 /* we ignore this key index in this case */
1745 WL_ERR("invalid key index (%d)\n", key_idx);
1746 }
1747 /* Ignore this error, may happen during DISASSOC */
1748 err = -EAGAIN;
1749 goto done;
1750 }
1751
1752 val = 0;
1753 err = brcmf_dev_intvar_get(ndev, "wsec", &wsec);
1754 if (err) {
1755 WL_ERR("get wsec error (%d)\n", err);
1756 /* Ignore this error, may happen during DISASSOC */
1757 err = -EAGAIN;
1758 goto done;
1759 }
1760 wsec &= ~(WEP_ENABLED);
1761 wsec |= val;
1762 err = brcmf_dev_intvar_set(ndev, "wsec", wsec);
1763 if (err) {
1764 WL_ERR("set wsec error (%d)\n", err);
1765 /* Ignore this error, may happen during DISASSOC */
1766 err = -EAGAIN;
1767 goto done;
1768 }
1769
1770 val = 0; /* assume open key. otherwise 1 */
1771 err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AUTH, &val);
1772 if (err) {
1773 WL_ERR("WLC_SET_AUTH error (%d)\n", err);
1774 /* Ignore this error, may happen during DISASSOC */
1775 err = -EAGAIN;
1776 }
1777done:
1778 WL_TRACE("Exit\n");
1779 return err;
1780}
1781
1782static s32
1783brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1784 u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
1785 void (*callback) (void *cookie, struct key_params * params))
1786{
1787 struct key_params params;
1788 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
1789 struct brcmf_cfg80211_security *sec;
1790 s32 wsec;
1791 s32 err = 0;
1792
1793 WL_TRACE("Enter\n");
1794 WL_CONN("key index (%d)\n", key_idx);
1795 if (!check_sys_up(wiphy))
1796 return -EIO;
1797
1798 memset(&params, 0, sizeof(params));
1799
1800 err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_WSEC, &wsec);
1801 if (err) {
1802 WL_ERR("WLC_GET_WSEC error (%d)\n", err);
1803 /* Ignore this error, may happen during DISASSOC */
1804 err = -EAGAIN;
1805 goto done;
1806 }
1807 switch (wsec) {
1808 case WEP_ENABLED:
1809 sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
1810 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
1811 params.cipher = WLAN_CIPHER_SUITE_WEP40;
1812 WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
1813 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
1814 params.cipher = WLAN_CIPHER_SUITE_WEP104;
1815 WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
1816 }
1817 break;
1818 case TKIP_ENABLED:
1819 params.cipher = WLAN_CIPHER_SUITE_TKIP;
1820 WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
1821 break;
1822 case AES_ENABLED:
1823 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
1824 WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
1825 break;
1826 default:
1827 WL_ERR("Invalid algo (0x%x)\n", wsec);
1828 err = -EINVAL;
1829 goto done;
1830 }
1831 callback(cookie, &params);
1832
1833done:
1834 WL_TRACE("Exit\n");
1835 return err;
1836}
1837
1838static s32
1839brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
1840 struct net_device *ndev, u8 key_idx)
1841{
1842 WL_INFO("Not supported\n");
1843
1844 return -EOPNOTSUPP;
1845}
1846
1847static s32
1848brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
1849 u8 *mac, struct station_info *sinfo)
1850{
1851 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
1852 struct brcmf_scb_val_le scb_val;
1853 int rssi;
1854 s32 rate;
1855 s32 err = 0;
1856 u8 *bssid = brcmf_read_prof(cfg_priv, WL_PROF_BSSID);
1857
1858 WL_TRACE("Enter\n");
1859 if (!check_sys_up(wiphy))
1860 return -EIO;
1861
1862 if (memcmp(mac, bssid, ETH_ALEN)) {
1863 WL_ERR("Wrong Mac address cfg_mac-%X:%X:%X:%X:%X:%X"
1864 "wl_bssid-%X:%X:%X:%X:%X:%X\n",
1865 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
1866 bssid[0], bssid[1], bssid[2], bssid[3],
1867 bssid[4], bssid[5]);
1868 err = -ENOENT;
1869 goto done;
1870 }
1871
1872 /* Report the current tx rate */
1873 err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_RATE, &rate);
1874 if (err) {
1875 WL_ERR("Could not get rate (%d)\n", err);
1876 } else {
1877 sinfo->filled |= STATION_INFO_TX_BITRATE;
1878 sinfo->txrate.legacy = rate * 5;
1879 WL_CONN("Rate %d Mbps\n", rate / 2);
1880 }
1881
1882 if (test_bit(WL_STATUS_CONNECTED, &cfg_priv->status)) {
1883 scb_val.val = cpu_to_le32(0);
1884 err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_RSSI, &scb_val,
1885 sizeof(struct brcmf_scb_val_le));
1886 if (err)
1887 WL_ERR("Could not get rssi (%d)\n", err);
1888
1889 rssi = le32_to_cpu(scb_val.val);
1890 sinfo->filled |= STATION_INFO_SIGNAL;
1891 sinfo->signal = rssi;
1892 WL_CONN("RSSI %d dBm\n", rssi);
1893 }
1894
1895done:
1896 WL_TRACE("Exit\n");
1897 return err;
1898}
1899
1900static s32
1901brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
1902 bool enabled, s32 timeout)
1903{
1904 s32 pm;
1905 s32 err = 0;
1906 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
1907
1908 WL_TRACE("Enter\n");
1909
1910 /*
1911 * Powersave enable/disable request is coming from the
1912 * cfg80211 even before the interface is up. In that
1913 * scenario, driver will be storing the power save
1914 * preference in cfg_priv struct to apply this to
1915 * FW later while initializing the dongle
1916 */
1917 cfg_priv->pwr_save = enabled;
1918 if (!test_bit(WL_STATUS_READY, &cfg_priv->status)) {
1919
1920 WL_INFO("Device is not ready,"
1921 "storing the value in cfg_priv struct\n");
1922 goto done;
1923 }
1924
1925 pm = enabled ? PM_FAST : PM_OFF;
1926 WL_INFO("power save %s\n", (pm ? "enabled" : "disabled"));
1927
1928 err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &pm);
1929 if (err) {
1930 if (err == -ENODEV)
1931 WL_ERR("net_device is not ready yet\n");
1932 else
1933 WL_ERR("error (%d)\n", err);
1934 }
1935done:
1936 WL_TRACE("Exit\n");
1937 return err;
1938}
1939
1940static s32
1941brcmf_cfg80211_set_bitrate_mask(struct wiphy *wiphy, struct net_device *ndev,
1942 const u8 *addr,
1943 const struct cfg80211_bitrate_mask *mask)
1944{
1945 struct brcm_rateset_le rateset_le;
1946 s32 rate;
1947 s32 val;
1948 s32 err_bg;
1949 s32 err_a;
1950 u32 legacy;
1951 s32 err = 0;
1952
1953 WL_TRACE("Enter\n");
1954 if (!check_sys_up(wiphy))
1955 return -EIO;
1956
1957 /* addr param is always NULL. ignore it */
1958 /* Get current rateset */
1959 err = brcmf_exec_dcmd(ndev, BRCM_GET_CURR_RATESET, &rateset_le,
1960 sizeof(rateset_le));
1961 if (err) {
1962 WL_ERR("could not get current rateset (%d)\n", err);
1963 goto done;
1964 }
1965
1966 legacy = ffs(mask->control[IEEE80211_BAND_2GHZ].legacy & 0xFFFF);
1967 if (!legacy)
1968 legacy = ffs(mask->control[IEEE80211_BAND_5GHZ].legacy &
1969 0xFFFF);
1970
1971 val = wl_g_rates[legacy - 1].bitrate * 100000;
1972
1973 if (val < le32_to_cpu(rateset_le.count))
1974 /* Select rate by rateset index */
1975 rate = rateset_le.rates[val] & 0x7f;
1976 else
1977 /* Specified rate in bps */
1978 rate = val / 500000;
1979
1980 WL_CONN("rate %d mbps\n", rate / 2);
1981
1982 /*
1983 *
1984 * Set rate override,
1985 * Since the is a/b/g-blind, both a/bg_rate are enforced.
1986 */
1987 err_bg = brcmf_dev_intvar_set(ndev, "bg_rate", rate);
1988 err_a = brcmf_dev_intvar_set(ndev, "a_rate", rate);
1989 if (err_bg && err_a) {
1990 WL_ERR("could not set fixed rate (%d) (%d)\n", err_bg, err_a);
1991 err = err_bg | err_a;
1992 }
1993
1994done:
1995 WL_TRACE("Exit\n");
1996 return err;
1997}
1998
1999static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_priv *cfg_priv,
d34bf64f 2000 struct brcmf_bss_info_le *bi)
5b435de0
AS		 2001{
2002 struct wiphy *wiphy = cfg_to_wiphy(cfg_priv);
2003 struct ieee80211_channel *notify_channel;
2004 struct cfg80211_bss *bss;
2005 struct ieee80211_supported_band *band;
2006 s32 err = 0;
2007 u16 channel;
2008 u32 freq;
2009 u64 notify_timestamp;
2010 u16 notify_capability;
2011 u16 notify_interval;
2012 u8 *notify_ie;
2013 size_t notify_ielen;
2014 s32 notify_signal;
2015
2016 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
2017 WL_ERR("Bss info is larger than buffer. Discarding\n");
2018 return 0;
2019 }
2020
2021 channel = bi->ctl_ch ? bi->ctl_ch :
2022 CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec));
2023
2024 if (channel <= CH_MAX_2G_CHANNEL)
2025 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2026 else
2027 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2028
2029 freq = ieee80211_channel_to_frequency(channel, band->band);
2030 notify_channel = ieee80211_get_channel(wiphy, freq);
2031
2032 notify_timestamp = jiffies_to_msecs(jiffies)*1000; /* uSec */
2033 notify_capability = le16_to_cpu(bi->capability);
2034 notify_interval = le16_to_cpu(bi->beacon_period);
2035 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2036 notify_ielen = le32_to_cpu(bi->ie_length);
2037 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2038
2039 WL_CONN("bssid: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
2040 bi->BSSID[0], bi->BSSID[1], bi->BSSID[2],
2041 bi->BSSID[3], bi->BSSID[4], bi->BSSID[5]);
2042 WL_CONN("Channel: %d(%d)\n", channel, freq);
2043 WL_CONN("Capability: %X\n", notify_capability);
2044 WL_CONN("Beacon interval: %d\n", notify_interval);
2045 WL_CONN("Signal: %d\n", notify_signal);
2046 WL_CONN("notify_timestamp: %#018llx\n", notify_timestamp);
2047
2048 bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID,
2049 notify_timestamp, notify_capability, notify_interval, notify_ie,
2050 notify_ielen, notify_signal, GFP_KERNEL);
2051
2052 if (!bss) {
2053 WL_ERR("cfg80211_inform_bss_frame error\n");
2054 return -EINVAL;
2055 }
2056
2057 return err;
2058}
2059
2060static s32 brcmf_inform_bss(struct brcmf_cfg80211_priv *cfg_priv)
2061{
2062 struct brcmf_scan_results *bss_list;
d34bf64f 2063 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
5b435de0
AS		 2064 s32 err = 0;
2065 int i;
2066
2067 bss_list = cfg_priv->bss_list;
2068 if (bss_list->version != BRCMF_BSS_INFO_VERSION) {
2069 WL_ERR("Version %d != WL_BSS_INFO_VERSION\n",
2070 bss_list->version);
2071 return -EOPNOTSUPP;
2072 }
2073 WL_SCAN("scanned AP count (%d)\n", bss_list->count);
2074 for (i = 0; i < bss_list->count && i < WL_AP_MAX; i++) {
2075 bi = next_bss(bss_list, bi);
2076 err = brcmf_inform_single_bss(cfg_priv, bi);
2077 if (err)
2078 break;
2079 }
2080 return err;
2081}
2082
2083static s32 wl_inform_ibss(struct brcmf_cfg80211_priv *cfg_priv,
2084 struct net_device *ndev, const u8 *bssid)
2085{
2086 struct wiphy *wiphy = cfg_to_wiphy(cfg_priv);
2087 struct ieee80211_channel *notify_channel;
d34bf64f 2088 struct brcmf_bss_info_le *bi = NULL;
5b435de0
AS		 2089 struct ieee80211_supported_band *band;
2090 u8 *buf = NULL;
2091 s32 err = 0;
2092 u16 channel;
2093 u32 freq;
2094 u64 notify_timestamp;
2095 u16 notify_capability;
2096 u16 notify_interval;
2097 u8 *notify_ie;
2098 size_t notify_ielen;
2099 s32 notify_signal;
2100
2101 WL_TRACE("Enter\n");
2102
2103 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2104 if (buf == NULL) {
2105 err = -ENOMEM;
2106 goto CleanUp;
2107 }
2108
2109 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2110
2111 err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_BSS_INFO, buf, WL_BSS_INFO_MAX);
2112 if (err) {
2113 WL_ERR("WLC_GET_BSS_INFO failed: %d\n", err);
2114 goto CleanUp;
2115 }
2116
d34bf64f 2117 bi = (struct brcmf_bss_info_le *)(buf + 4);
5b435de0
AS		 2118
2119 channel = bi->ctl_ch ? bi->ctl_ch :
2120 CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec));
2121
2122 if (channel <= CH_MAX_2G_CHANNEL)
2123 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2124 else
2125 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2126
2127 freq = ieee80211_channel_to_frequency(channel, band->band);
2128 notify_channel = ieee80211_get_channel(wiphy, freq);
2129
2130 notify_timestamp = jiffies_to_msecs(jiffies)*1000; /* uSec */
2131 notify_capability = le16_to_cpu(bi->capability);
2132 notify_interval = le16_to_cpu(bi->beacon_period);
2133 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2134 notify_ielen = le32_to_cpu(bi->ie_length);
2135 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2136
2137 WL_CONN("channel: %d(%d)\n", channel, freq);
2138 WL_CONN("capability: %X\n", notify_capability);
2139 WL_CONN("beacon interval: %d\n", notify_interval);
2140 WL_CONN("signal: %d\n", notify_signal);
2141 WL_CONN("notify_timestamp: %#018llx\n", notify_timestamp);
2142
2143 cfg80211_inform_bss(wiphy, notify_channel, bssid,
2144 notify_timestamp, notify_capability, notify_interval,
2145 notify_ie, notify_ielen, notify_signal, GFP_KERNEL);
2146
2147CleanUp:
2148
2149 kfree(buf);
2150
2151 WL_TRACE("Exit\n");
2152
2153 return err;
2154}
2155
2156static bool brcmf_is_ibssmode(struct brcmf_cfg80211_priv *cfg_priv)
2157{
2158 return cfg_priv->conf->mode == WL_MODE_IBSS;
2159}
2160
f8e4b412
AB		 2161/*
2162 * Traverse a string of 1-byte tag/1-byte length/variable-length value
2163 * triples, returning a pointer to the substring whose first element
2164 * matches tag
2165 */
2166static struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key)
2167{
2168 struct brcmf_tlv *elt;
2169 int totlen;
2170
2171 elt = (struct brcmf_tlv *) buf;
2172 totlen = buflen;
2173
2174 /* find tagged parameter */
2175 while (totlen >= 2) {
2176 int len = elt->len;
2177
2178 /* validate remaining totlen */
2179 if ((elt->id == key) && (totlen >= (len + 2)))
2180 return elt;
2181
2182 elt = (struct brcmf_tlv *) ((u8 *) elt + (len + 2));
2183 totlen -= (len + 2);
2184 }
2185
2186 return NULL;
2187}
2188
5b435de0
AS		 2189static s32 brcmf_update_bss_info(struct brcmf_cfg80211_priv *cfg_priv)
2190{
d34bf64f 2191 struct brcmf_bss_info_le *bi;
5b435de0 2192 struct brcmf_ssid *ssid;
f8e4b412 2193 struct brcmf_tlv *tim;
5b435de0
AS		 2194 u16 beacon_interval;
2195 u8 dtim_period;
2196 size_t ie_len;
2197 u8 *ie;
2198 s32 err = 0;
2199
2200 WL_TRACE("Enter\n");
2201 if (brcmf_is_ibssmode(cfg_priv))
2202 return err;
2203
2204 ssid = (struct brcmf_ssid *)brcmf_read_prof(cfg_priv, WL_PROF_SSID);
2205
2206 *(__le32 *)cfg_priv->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
2207 err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCMF_C_GET_BSS_INFO,
2208 cfg_priv->extra_buf, WL_EXTRA_BUF_MAX);
2209 if (err) {
2210 WL_ERR("Could not get bss info %d\n", err);
2211 goto update_bss_info_out;
2212 }
2213
d34bf64f 2214 bi = (struct brcmf_bss_info_le *)(cfg_priv->extra_buf + 4);
5b435de0
AS		 2215 err = brcmf_inform_single_bss(cfg_priv, bi);
2216 if (err)
2217 goto update_bss_info_out;
2218
2219 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2220 ie_len = le32_to_cpu(bi->ie_length);
2221 beacon_interval = le16_to_cpu(bi->beacon_period);
2222
f8e4b412 2223 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
5b435de0
AS		 2224 if (tim)
2225 dtim_period = tim->data[1];
2226 else {
2227 /*
2228 * active scan was done so we could not get dtim
2229 * information out of probe response.
2230 * so we speficially query dtim information to dongle.
2231 */
2232 u32 var;
2233 err = brcmf_dev_intvar_get(cfg_to_ndev(cfg_priv),
2234 "dtim_assoc", &var);
2235 if (err) {
2236 WL_ERR("wl dtim_assoc failed (%d)\n", err);
2237 goto update_bss_info_out;
2238 }
2239 dtim_period = (u8)var;
2240 }
2241
2242 brcmf_update_prof(cfg_priv, NULL, &beacon_interval, WL_PROF_BEACONINT);
2243 brcmf_update_prof(cfg_priv, NULL, &dtim_period, WL_PROF_DTIMPERIOD);
2244
2245update_bss_info_out:
2246 WL_TRACE("Exit");
2247 return err;
2248}
2249
2250static void brcmf_term_iscan(struct brcmf_cfg80211_priv *cfg_priv)
2251{
2252 struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv);
2253 struct brcmf_ssid ssid;
2254
2255 if (cfg_priv->iscan_on) {
2256 iscan->state = WL_ISCAN_STATE_IDLE;
2257
2258 if (iscan->timer_on) {
2259 del_timer_sync(&iscan->timer);
2260 iscan->timer_on = 0;
2261 }
2262
2263 cancel_work_sync(&iscan->work);
2264
2265 /* Abort iscan running in FW */
2266 memset(&ssid, 0, sizeof(ssid));
2267 brcmf_run_iscan(iscan, &ssid, WL_SCAN_ACTION_ABORT);
2268 }
2269}
2270
2271static void brcmf_notify_iscan_complete(struct brcmf_cfg80211_iscan_ctrl *iscan,
2272 bool aborted)
2273{
2274 struct brcmf_cfg80211_priv *cfg_priv = iscan_to_cfg(iscan);
2275 struct net_device *ndev = cfg_to_ndev(cfg_priv);
2276
2277 if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg_priv->status)) {
2278 WL_ERR("Scan complete while device not scanning\n");
2279 return;
2280 }
2281 if (cfg_priv->scan_request) {
2282 WL_SCAN("ISCAN Completed scan: %s\n",
2283 aborted ? "Aborted" : "Done");
2284 cfg80211_scan_done(cfg_priv->scan_request, aborted);
2285 brcmf_set_mpc(ndev, 1);
2286 cfg_priv->scan_request = NULL;
2287 }
2288 cfg_priv->iscan_kickstart = false;
2289}
2290
2291static s32 brcmf_wakeup_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan)
2292{
2293 if (iscan->state != WL_ISCAN_STATE_IDLE) {
2294 WL_SCAN("wake up iscan\n");
2295 schedule_work(&iscan->work);
2296 return 0;
2297 }
2298
2299 return -EIO;
2300}
2301
2302static s32
2303brcmf_get_iscan_results(struct brcmf_cfg80211_iscan_ctrl *iscan, u32 *status,
2304 struct brcmf_scan_results **bss_list)
2305{
2306 struct brcmf_iscan_results list;
2307 struct brcmf_scan_results *results;
2308 struct brcmf_scan_results_le *results_le;
2309 struct brcmf_iscan_results *list_buf;
2310 s32 err = 0;
2311
2312 memset(iscan->scan_buf, 0, WL_ISCAN_BUF_MAX);
2313 list_buf = (struct brcmf_iscan_results *)iscan->scan_buf;
2314 results = &list_buf->results;
2315 results_le = &list_buf->results_le;
2316 results->buflen = BRCMF_ISCAN_RESULTS_FIXED_SIZE;
2317 results->version = 0;
2318 results->count = 0;
2319
2320 memset(&list, 0, sizeof(list));
2321 list.results_le.buflen = cpu_to_le32(WL_ISCAN_BUF_MAX);
2322 err = brcmf_dev_iovar_getbuf(iscan->ndev, "iscanresults", &list,
2323 BRCMF_ISCAN_RESULTS_FIXED_SIZE,
2324 iscan->scan_buf, WL_ISCAN_BUF_MAX);
2325 if (err) {
2326 WL_ERR("error (%d)\n", err);
2327 return err;
2328 }
2329 results->buflen = le32_to_cpu(results_le->buflen);
2330 results->version = le32_to_cpu(results_le->version);
2331 results->count = le32_to_cpu(results_le->count);
2332 WL_SCAN("results->count = %d\n", results_le->count);
2333 WL_SCAN("results->buflen = %d\n", results_le->buflen);
2334 *status = le32_to_cpu(list_buf->status_le);
2335 WL_SCAN("status = %d\n", *status);
2336 *bss_list = results;
2337
2338 return err;
2339}
2340
2341static s32 brcmf_iscan_done(struct brcmf_cfg80211_priv *cfg_priv)
2342{
2343 struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan;
2344 s32 err = 0;
2345
2346 iscan->state = WL_ISCAN_STATE_IDLE;
2347 brcmf_inform_bss(cfg_priv);
2348 brcmf_notify_iscan_complete(iscan, false);
2349
2350 return err;
2351}
2352
2353static s32 brcmf_iscan_pending(struct brcmf_cfg80211_priv *cfg_priv)
2354{
2355 struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan;
2356 s32 err = 0;
2357
2358 /* Reschedule the timer */
2359 mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000);
2360 iscan->timer_on = 1;
2361
2362 return err;
2363}
2364
2365static s32 brcmf_iscan_inprogress(struct brcmf_cfg80211_priv *cfg_priv)
2366{
2367 struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan;
2368 s32 err = 0;
2369
2370 brcmf_inform_bss(cfg_priv);
2371 brcmf_run_iscan(iscan, NULL, BRCMF_SCAN_ACTION_CONTINUE);
2372 /* Reschedule the timer */
2373 mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000);
2374 iscan->timer_on = 1;
2375
2376 return err;
2377}
2378
2379static s32 brcmf_iscan_aborted(struct brcmf_cfg80211_priv *cfg_priv)
2380{
2381 struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan;
2382 s32 err = 0;
2383
2384 iscan->state = WL_ISCAN_STATE_IDLE;
2385 brcmf_notify_iscan_complete(iscan, true);
2386
2387 return err;
2388}
2389
2390static void brcmf_cfg80211_iscan_handler(struct work_struct *work)
2391{
2392 struct brcmf_cfg80211_iscan_ctrl *iscan =
2393 container_of(work, struct brcmf_cfg80211_iscan_ctrl,
2394 work);
2395 struct brcmf_cfg80211_priv *cfg_priv = iscan_to_cfg(iscan);
2396 struct brcmf_cfg80211_iscan_eloop *el = &iscan->el;
2397 u32 status = BRCMF_SCAN_RESULTS_PARTIAL;
2398
2399 if (iscan->timer_on) {
2400 del_timer_sync(&iscan->timer);
2401 iscan->timer_on = 0;
2402 }
2403
2404 if (brcmf_get_iscan_results(iscan, &status, &cfg_priv->bss_list)) {
2405 status = BRCMF_SCAN_RESULTS_ABORTED;
2406 WL_ERR("Abort iscan\n");
2407 }
2408
2409 el->handler[status](cfg_priv);
2410}
2411
2412static void brcmf_iscan_timer(unsigned long data)
2413{
2414 struct brcmf_cfg80211_iscan_ctrl *iscan =
2415 (struct brcmf_cfg80211_iscan_ctrl *)data;
2416
2417 if (iscan) {
2418 iscan->timer_on = 0;
2419 WL_SCAN("timer expired\n");
2420 brcmf_wakeup_iscan(iscan);
2421 }
2422}
2423
2424static s32 brcmf_invoke_iscan(struct brcmf_cfg80211_priv *cfg_priv)
2425{
2426 struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv);
2427
2428 if (cfg_priv->iscan_on) {
2429 iscan->state = WL_ISCAN_STATE_IDLE;
2430 INIT_WORK(&iscan->work, brcmf_cfg80211_iscan_handler);
2431 }
2432
2433 return 0;
2434}
2435
2436static void brcmf_init_iscan_eloop(struct brcmf_cfg80211_iscan_eloop *el)
2437{
2438 memset(el, 0, sizeof(*el));
2439 el->handler[BRCMF_SCAN_RESULTS_SUCCESS] = brcmf_iscan_done;
2440 el->handler[BRCMF_SCAN_RESULTS_PARTIAL] = brcmf_iscan_inprogress;
2441 el->handler[BRCMF_SCAN_RESULTS_PENDING] = brcmf_iscan_pending;
2442 el->handler[BRCMF_SCAN_RESULTS_ABORTED] = brcmf_iscan_aborted;
2443 el->handler[BRCMF_SCAN_RESULTS_NO_MEM] = brcmf_iscan_aborted;
2444}
2445
2446static s32 brcmf_init_iscan(struct brcmf_cfg80211_priv *cfg_priv)
2447{
2448 struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv);
2449 int err = 0;
2450
2451 if (cfg_priv->iscan_on) {
2452 iscan->ndev = cfg_to_ndev(cfg_priv);
2453 brcmf_init_iscan_eloop(&iscan->el);
2454 iscan->timer_ms = WL_ISCAN_TIMER_INTERVAL_MS;
2455 init_timer(&iscan->timer);
2456 iscan->timer.data = (unsigned long) iscan;
2457 iscan->timer.function = brcmf_iscan_timer;
2458 err = brcmf_invoke_iscan(cfg_priv);
2459 if (!err)
2460 iscan->data = cfg_priv;
2461 }
2462
2463 return err;
2464}
2465
2466static void brcmf_delay(u32 ms)
2467{
2468 if (ms < 1000 / HZ) {
2469 cond_resched();
2470 mdelay(ms);
2471 } else {
2472 msleep(ms);
2473 }
2474}
2475
2476static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
2477{
2478 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
2479
2480 /*
2481 * Check for WL_STATUS_READY before any function call which
2482 * could result is bus access. Don't block the resume for
2483 * any driver error conditions
2484 */
2485 WL_TRACE("Enter\n");
2486
2487 if (test_bit(WL_STATUS_READY, &cfg_priv->status))
2488 brcmf_invoke_iscan(wiphy_to_cfg(wiphy));
2489
2490 WL_TRACE("Exit\n");
2491 return 0;
2492}
2493
2494static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
2495 struct cfg80211_wowlan *wow)
2496{
2497 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
2498 struct net_device *ndev = cfg_to_ndev(cfg_priv);
2499
2500 WL_TRACE("Enter\n");
2501
2502 /*
2503 * Check for WL_STATUS_READY before any function call which
2504 * could result is bus access. Don't block the suspend for
2505 * any driver error conditions
2506 */
2507
2508 /*
2509 * While going to suspend if associated with AP disassociate
2510 * from AP to save power while system is in suspended state
2511 */
2512 if ((test_bit(WL_STATUS_CONNECTED, &cfg_priv->status) ||
2513 test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) &&
2514 test_bit(WL_STATUS_READY, &cfg_priv->status)) {
2515 WL_INFO("Disassociating from AP"
2516 " while entering suspend state\n");
2517 brcmf_link_down(cfg_priv);
2518
2519 /*
2520 * Make sure WPA_Supplicant receives all the event
2521 * generated due to DISASSOC call to the fw to keep
2522 * the state fw and WPA_Supplicant state consistent
2523 */
2524 brcmf_delay(500);
2525 }
2526
2527 set_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status);
2528 if (test_bit(WL_STATUS_READY, &cfg_priv->status))
2529 brcmf_term_iscan(cfg_priv);
2530
2531 if (cfg_priv->scan_request) {
2532 /* Indidate scan abort to cfg80211 layer */
2533 WL_INFO("Terminating scan in progress\n");
2534 cfg80211_scan_done(cfg_priv->scan_request, true);
2535 cfg_priv->scan_request = NULL;
2536 }
2537 clear_bit(WL_STATUS_SCANNING, &cfg_priv->status);
2538 clear_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status);
2539
2540 /* Turn off watchdog timer */
2541 if (test_bit(WL_STATUS_READY, &cfg_priv->status)) {
2542 WL_INFO("Enable MPC\n");
2543 brcmf_set_mpc(ndev, 1);
2544 }
2545
2546 WL_TRACE("Exit\n");
2547
2548 return 0;
2549}
2550
2551static __used s32
2552brcmf_dev_bufvar_set(struct net_device *ndev, s8 *name, s8 *buf, s32 len)
2553{
2554 struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
2555 u32 buflen;
2556
53a2277d 2557 buflen = brcmf_c_mkiovar(name, buf, len, cfg_priv->dcmd_buf,
5b435de0
AS		 2558 WL_DCMD_LEN_MAX);
2559 BUG_ON(!buflen);
2560
2561 return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, cfg_priv->dcmd_buf,
2562 buflen);
2563}
2564
2565static s32
2566brcmf_dev_bufvar_get(struct net_device *ndev, s8 *name, s8 *buf,
2567 s32 buf_len)
2568{
2569 struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
2570 u32 len;
2571 s32 err = 0;
2572
53a2277d 2573 len = brcmf_c_mkiovar(name, NULL, 0, cfg_priv->dcmd_buf,
5b435de0
AS		 2574 WL_DCMD_LEN_MAX);
2575 BUG_ON(!len);
2576 err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, cfg_priv->dcmd_buf,
2577 WL_DCMD_LEN_MAX);
2578 if (err) {
2579 WL_ERR("error (%d)\n", err);
2580 return err;
2581 }
2582 memcpy(buf, cfg_priv->dcmd_buf, buf_len);
2583
2584 return err;
2585}
2586
2587static __used s32
2588brcmf_update_pmklist(struct net_device *ndev,
2589 struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
2590{
2591 int i, j;
40c8e95a 2592 int pmkid_len;
5b435de0 2593
40c8e95a
AS		 2594 pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
2595
2596 WL_CONN("No of elements %d\n", pmkid_len);
2597 for (i = 0; i < pmkid_len; i++) {
5b435de0
AS		 2598 WL_CONN("PMKID[%d]: %pM =\n", i,
2599 &pmk_list->pmkids.pmkid[i].BSSID);
2600 for (j = 0; j < WLAN_PMKID_LEN; j++)
2601 WL_CONN("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j]);
2602 }
2603
2604 if (!err)
2605 brcmf_dev_bufvar_set(ndev, "pmkid_info", (char *)pmk_list,
2606 sizeof(*pmk_list));
2607
2608 return err;
2609}
2610
2611static s32
2612brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2613 struct cfg80211_pmksa *pmksa)
2614{
2615 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
2616 struct pmkid_list *pmkids = &cfg_priv->pmk_list->pmkids;
2617 s32 err = 0;
2618 int i;
40c8e95a 2619 int pmkid_len;
5b435de0
AS		 2620
2621 WL_TRACE("Enter\n");
2622 if (!check_sys_up(wiphy))
2623 return -EIO;
2624
40c8e95a
AS		 2625 pmkid_len = le32_to_cpu(pmkids->npmkid);
2626 for (i = 0; i < pmkid_len; i++)
5b435de0
AS		 2627 if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
2628 break;
2629 if (i < WL_NUM_PMKIDS_MAX) {
2630 memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
2631 memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
40c8e95a
AS		 2632 if (i == pmkid_len) {
2633 pmkid_len++;
2634 pmkids->npmkid = cpu_to_le32(pmkid_len);
2635 }
5b435de0
AS		 2636 } else
2637 err = -EINVAL;
2638
2639 WL_CONN("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
40c8e95a 2640 pmkids->pmkid[pmkid_len].BSSID);
5b435de0 2641 for (i = 0; i < WLAN_PMKID_LEN; i++)
40c8e95a 2642 WL_CONN("%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
5b435de0
AS		 2643
2644 err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err);
2645
2646 WL_TRACE("Exit\n");
2647 return err;
2648}
2649
2650static s32
2651brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2652 struct cfg80211_pmksa *pmksa)
2653{
2654 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
2655 struct pmkid_list pmkid;
2656 s32 err = 0;
40c8e95a 2657 int i, pmkid_len;
5b435de0
AS		 2658
2659 WL_TRACE("Enter\n");
2660 if (!check_sys_up(wiphy))
2661 return -EIO;
2662
2663 memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
2664 memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
2665
2666 WL_CONN("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
2667 &pmkid.pmkid[0].BSSID);
2668 for (i = 0; i < WLAN_PMKID_LEN; i++)
2669 WL_CONN("%02x\n", pmkid.pmkid[0].PMKID[i]);
2670
40c8e95a
AS		 2671 pmkid_len = le32_to_cpu(cfg_priv->pmk_list->pmkids.npmkid);
2672 for (i = 0; i < pmkid_len; i++)
5b435de0
AS		 2673 if (!memcmp
2674 (pmksa->bssid, &cfg_priv->pmk_list->pmkids.pmkid[i].BSSID,
2675 ETH_ALEN))
2676 break;
2677
40c8e95a
AS		 2678 if ((pmkid_len > 0)
2679 && (i < pmkid_len)) {
5b435de0
AS		 2680 memset(&cfg_priv->pmk_list->pmkids.pmkid[i], 0,
2681 sizeof(struct pmkid));
40c8e95a 2682 for (; i < (pmkid_len - 1); i++) {
5b435de0
AS		 2683 memcpy(&cfg_priv->pmk_list->pmkids.pmkid[i].BSSID,
2684 &cfg_priv->pmk_list->pmkids.pmkid[i + 1].BSSID,
2685 ETH_ALEN);
2686 memcpy(&cfg_priv->pmk_list->pmkids.pmkid[i].PMKID,
2687 &cfg_priv->pmk_list->pmkids.pmkid[i + 1].PMKID,
2688 WLAN_PMKID_LEN);
2689 }
40c8e95a 2690 cfg_priv->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
5b435de0
AS		 2691 } else
2692 err = -EINVAL;
2693
2694 err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err);
2695
2696 WL_TRACE("Exit\n");
2697 return err;
2698
2699}
2700
2701static s32
2702brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
2703{
2704 struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
2705 s32 err = 0;
2706
2707 WL_TRACE("Enter\n");
2708 if (!check_sys_up(wiphy))
2709 return -EIO;
2710
2711 memset(cfg_priv->pmk_list, 0, sizeof(*cfg_priv->pmk_list));
2712 err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err);
2713
2714 WL_TRACE("Exit\n");
2715 return err;
2716
2717}
2718
2719static struct cfg80211_ops wl_cfg80211_ops = {
2720 .change_virtual_intf = brcmf_cfg80211_change_iface,
2721 .scan = brcmf_cfg80211_scan,
2722 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
2723 .join_ibss = brcmf_cfg80211_join_ibss,
2724 .leave_ibss = brcmf_cfg80211_leave_ibss,
2725 .get_station = brcmf_cfg80211_get_station,
2726 .set_tx_power = brcmf_cfg80211_set_tx_power,
2727 .get_tx_power = brcmf_cfg80211_get_tx_power,
2728 .add_key = brcmf_cfg80211_add_key,
2729 .del_key = brcmf_cfg80211_del_key,
2730 .get_key = brcmf_cfg80211_get_key,
2731 .set_default_key = brcmf_cfg80211_config_default_key,
2732 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
2733 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
2734 .set_bitrate_mask = brcmf_cfg80211_set_bitrate_mask,
2735 .connect = brcmf_cfg80211_connect,
2736 .disconnect = brcmf_cfg80211_disconnect,
2737 .suspend = brcmf_cfg80211_suspend,
2738 .resume = brcmf_cfg80211_resume,
2739 .set_pmksa = brcmf_cfg80211_set_pmksa,
2740 .del_pmksa = brcmf_cfg80211_del_pmksa,
2741 .flush_pmksa = brcmf_cfg80211_flush_pmksa
2742};
2743
2744static s32 brcmf_mode_to_nl80211_iftype(s32 mode)
2745{
2746 s32 err = 0;
2747
2748 switch (mode) {
2749 case WL_MODE_BSS:
2750 return NL80211_IFTYPE_STATION;
2751 case WL_MODE_IBSS:
2752 return NL80211_IFTYPE_ADHOC;
2753 default:
2754 return NL80211_IFTYPE_UNSPECIFIED;
2755 }
2756
2757 return err;
2758}
2759
2760static struct wireless_dev *brcmf_alloc_wdev(s32 sizeof_iface,
2761 struct device *ndev)
2762{
2763 struct wireless_dev *wdev;
2764 s32 err = 0;
2765
2766 wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
2767 if (!wdev)
2768 return ERR_PTR(-ENOMEM);
2769
2770 wdev->wiphy =
2771 wiphy_new(&wl_cfg80211_ops,
2772 sizeof(struct brcmf_cfg80211_priv) + sizeof_iface);
2773 if (!wdev->wiphy) {
2774 WL_ERR("Couldn not allocate wiphy device\n");
2775 err = -ENOMEM;
2776 goto wiphy_new_out;
2777 }
2778 set_wiphy_dev(wdev->wiphy, ndev);
2779 wdev->wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
2780 wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
2781 wdev->wiphy->interface_modes =
2782 BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
2783 wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
2784 wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set
2785 * it as 11a by default.
2786 * This will be updated with
2787 * 11n phy tables in
2788 * "ifconfig up"
2789 * if phy has 11n capability
2790 */
2791 wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2792 wdev->wiphy->cipher_suites = __wl_cipher_suites;
2793 wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
2794 wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power
2795 * save mode
2796 * by default
2797 */
2798 err = wiphy_register(wdev->wiphy);
2799 if (err < 0) {
2800 WL_ERR("Couldn not register wiphy device (%d)\n", err);
2801 goto wiphy_register_out;
2802 }
2803 return wdev;
2804
2805wiphy_register_out:
2806 wiphy_free(wdev->wiphy);
2807
2808wiphy_new_out:
2809 kfree(wdev);
2810
2811 return ERR_PTR(err);
2812}
2813
2814static void brcmf_free_wdev(struct brcmf_cfg80211_priv *cfg_priv)
2815{
2816 struct wireless_dev *wdev = cfg_priv->wdev;
2817
2818 if (!wdev) {
2819 WL_ERR("wdev is invalid\n");
2820 return;
2821 }
2822 wiphy_unregister(wdev->wiphy);
2823 wiphy_free(wdev->wiphy);
2824 kfree(wdev);
2825 cfg_priv->wdev = NULL;
2826}
2827
2828static bool brcmf_is_linkup(struct brcmf_cfg80211_priv *cfg_priv,
2829 const struct brcmf_event_msg *e)
2830{
2831 u32 event = be32_to_cpu(e->event_type);
2832 u32 status = be32_to_cpu(e->status);
2833
2834 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
2835 WL_CONN("Processing set ssid\n");
2836 cfg_priv->link_up = true;
2837 return true;
2838 }
2839
2840 return false;
2841}
2842
2843static bool brcmf_is_linkdown(struct brcmf_cfg80211_priv *cfg_priv,
2844 const struct brcmf_event_msg *e)
2845{
2846 u32 event = be32_to_cpu(e->event_type);
2847 u16 flags = be16_to_cpu(e->flags);
2848
2849 if (event == BRCMF_E_LINK && (!(flags & BRCMF_EVENT_MSG_LINK))) {
2850 WL_CONN("Processing link down\n");
2851 return true;
2852 }
2853 return false;
2854}
2855
2856static bool brcmf_is_nonetwork(struct brcmf_cfg80211_priv *cfg_priv,
2857 const struct brcmf_event_msg *e)
2858{
2859 u32 event = be32_to_cpu(e->event_type);
2860 u32 status = be32_to_cpu(e->status);
2861
2862 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
2863 WL_CONN("Processing Link %s & no network found\n",
2864 be16_to_cpu(e->flags) & BRCMF_EVENT_MSG_LINK ?
2865 "up" : "down");
2866 return true;
2867 }
2868
2869 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
2870 WL_CONN("Processing connecting & no network found\n");
2871 return true;
2872 }
2873
2874 return false;
2875}
2876
2877static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_priv *cfg_priv)
2878{
2879 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv);
2880
2881 kfree(conn_info->req_ie);
2882 conn_info->req_ie = NULL;
2883 conn_info->req_ie_len = 0;
2884 kfree(conn_info->resp_ie);
2885 conn_info->resp_ie = NULL;
2886 conn_info->resp_ie_len = 0;
2887}
2888
2889static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_priv *cfg_priv)
2890{
2891 struct net_device *ndev = cfg_to_ndev(cfg_priv);
c4e382d2 2892 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
5b435de0
AS		 2893 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv);
2894 u32 req_len;
2895 u32 resp_len;
2896 s32 err = 0;
2897
2898 brcmf_clear_assoc_ies(cfg_priv);
2899
2900 err = brcmf_dev_bufvar_get(ndev, "assoc_info", cfg_priv->extra_buf,
2901 WL_ASSOC_INFO_MAX);
2902 if (err) {
2903 WL_ERR("could not get assoc info (%d)\n", err);
2904 return err;
2905 }
c4e382d2
AS		 2906 assoc_info =
2907 (struct brcmf_cfg80211_assoc_ielen_le *)cfg_priv->extra_buf;
2908 req_len = le32_to_cpu(assoc_info->req_len);
2909 resp_len = le32_to_cpu(assoc_info->resp_len);
5b435de0
AS		 2910 if (req_len) {
2911 err = brcmf_dev_bufvar_get(ndev, "assoc_req_ies",
2912 cfg_priv->extra_buf,
2913 WL_ASSOC_INFO_MAX);
2914 if (err) {
2915 WL_ERR("could not get assoc req (%d)\n", err);
2916 return err;
2917 }
2918 conn_info->req_ie_len = req_len;
2919 conn_info->req_ie =
2920 kmemdup(cfg_priv->extra_buf, conn_info->req_ie_len,
2921 GFP_KERNEL);
2922 } else {
2923 conn_info->req_ie_len = 0;
2924 conn_info->req_ie = NULL;
2925 }
2926 if (resp_len) {
2927 err = brcmf_dev_bufvar_get(ndev, "assoc_resp_ies",
2928 cfg_priv->extra_buf,
2929 WL_ASSOC_INFO_MAX);
2930 if (err) {
2931 WL_ERR("could not get assoc resp (%d)\n", err);
2932 return err;
2933 }
2934 conn_info->resp_ie_len = resp_len;
2935 conn_info->resp_ie =
2936 kmemdup(cfg_priv->extra_buf, conn_info->resp_ie_len,
2937 GFP_KERNEL);
2938 } else {
2939 conn_info->resp_ie_len = 0;
2940 conn_info->resp_ie = NULL;
2941 }
2942 WL_CONN("req len (%d) resp len (%d)\n",
2943 conn_info->req_ie_len, conn_info->resp_ie_len);
2944
2945 return err;
2946}
2947
2948static s32
2949brcmf_bss_roaming_done(struct brcmf_cfg80211_priv *cfg_priv,
2950 struct net_device *ndev,
2951 const struct brcmf_event_msg *e)
2952{
2953 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv);
2954 struct wiphy *wiphy = cfg_to_wiphy(cfg_priv);
2955 struct brcmf_channel_info_le channel_le;
2956 struct ieee80211_channel *notify_channel;
2957 struct ieee80211_supported_band *band;
2958 u32 freq;
2959 s32 err = 0;
2960 u32 target_channel;
2961
2962 WL_TRACE("Enter\n");
2963
2964 brcmf_get_assoc_ies(cfg_priv);
2965 brcmf_update_prof(cfg_priv, NULL, &e->addr, WL_PROF_BSSID);
2966 brcmf_update_bss_info(cfg_priv);
2967
2968 brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_le,
2969 sizeof(channel_le));
2970
2971 target_channel = le32_to_cpu(channel_le.target_channel);
2972 WL_CONN("Roamed to channel %d\n", target_channel);
2973
2974 if (target_channel <= CH_MAX_2G_CHANNEL)
2975 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2976 else
2977 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2978
2979 freq = ieee80211_channel_to_frequency(target_channel, band->band);
2980 notify_channel = ieee80211_get_channel(wiphy, freq);
2981
2982 cfg80211_roamed(ndev, notify_channel,
2983 (u8 *)brcmf_read_prof(cfg_priv, WL_PROF_BSSID),
2984 conn_info->req_ie, conn_info->req_ie_len,
2985 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
2986 WL_CONN("Report roaming result\n");
2987
2988 set_bit(WL_STATUS_CONNECTED, &cfg_priv->status);
2989 WL_TRACE("Exit\n");
2990 return err;
2991}
2992
2993static s32
2994brcmf_bss_connect_done(struct brcmf_cfg80211_priv *cfg_priv,
2995 struct net_device *ndev, const struct brcmf_event_msg *e,
2996 bool completed)
2997{
2998 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv);
2999 s32 err = 0;
3000
3001 WL_TRACE("Enter\n");
3002
3003 if (test_and_clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) {
3004 if (completed) {
3005 brcmf_get_assoc_ies(cfg_priv);
3006 brcmf_update_prof(cfg_priv, NULL, &e->addr,
3007 WL_PROF_BSSID);
3008 brcmf_update_bss_info(cfg_priv);
3009 }
3010 cfg80211_connect_result(ndev,
3011 (u8 *)brcmf_read_prof(cfg_priv,
3012 WL_PROF_BSSID),
3013 conn_info->req_ie,
3014 conn_info->req_ie_len,
3015 conn_info->resp_ie,
3016 conn_info->resp_ie_len,
3017 completed ? WLAN_STATUS_SUCCESS :
3018 WLAN_STATUS_AUTH_TIMEOUT,
3019 GFP_KERNEL);
3020 if (completed)
3021 set_bit(WL_STATUS_CONNECTED, &cfg_priv->status);
3022 WL_CONN("Report connect result - connection %s\n",
3023 completed ? "succeeded" : "failed");
3024 }
3025 WL_TRACE("Exit\n");
3026 return err;
3027}
3028
3029static s32
3030brcmf_notify_connect_status(struct brcmf_cfg80211_priv *cfg_priv,
3031 struct net_device *ndev,
3032 const struct brcmf_event_msg *e, void *data)
3033{
3034 s32 err = 0;
3035
3036 if (brcmf_is_linkup(cfg_priv, e)) {
3037 WL_CONN("Linkup\n");
3038 if (brcmf_is_ibssmode(cfg_priv)) {
3039 brcmf_update_prof(cfg_priv, NULL, (void *)e->addr,
3040 WL_PROF_BSSID);
3041 wl_inform_ibss(cfg_priv, ndev, e->addr);
3042 cfg80211_ibss_joined(ndev, e->addr, GFP_KERNEL);
3043 clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
3044 set_bit(WL_STATUS_CONNECTED, &cfg_priv->status);
3045 } else
3046 brcmf_bss_connect_done(cfg_priv, ndev, e, true);
3047 } else if (brcmf_is_linkdown(cfg_priv, e)) {
3048 WL_CONN("Linkdown\n");
3049 if (brcmf_is_ibssmode(cfg_priv)) {
3050 clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
3051 if (test_and_clear_bit(WL_STATUS_CONNECTED,
3052 &cfg_priv->status))
3053 brcmf_link_down(cfg_priv);
3054 } else {
3055 brcmf_bss_connect_done(cfg_priv, ndev, e, false);
3056 if (test_and_clear_bit(WL_STATUS_CONNECTED,
3057 &cfg_priv->status)) {
3058 cfg80211_disconnected(ndev, 0, NULL, 0,
3059 GFP_KERNEL);
3060 brcmf_link_down(cfg_priv);
3061 }
3062 }
3063 brcmf_init_prof(cfg_priv->profile);
3064 } else if (brcmf_is_nonetwork(cfg_priv, e)) {
3065 if (brcmf_is_ibssmode(cfg_priv))
3066 clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
3067 else
3068 brcmf_bss_connect_done(cfg_priv, ndev, e, false);
3069 }
3070
3071 return err;
3072}
3073
3074static s32
3075brcmf_notify_roaming_status(struct brcmf_cfg80211_priv *cfg_priv,
3076 struct net_device *ndev,
3077 const struct brcmf_event_msg *e, void *data)
3078{
3079 s32 err = 0;
3080 u32 event = be32_to_cpu(e->event_type);
3081 u32 status = be32_to_cpu(e->status);
3082
3083 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
3084 if (test_bit(WL_STATUS_CONNECTED, &cfg_priv->status))
3085 brcmf_bss_roaming_done(cfg_priv, ndev, e);
3086 else
3087 brcmf_bss_connect_done(cfg_priv, ndev, e, true);
3088 }
3089
3090 return err;
3091}
3092
3093static s32
3094brcmf_notify_mic_status(struct brcmf_cfg80211_priv *cfg_priv,
3095 struct net_device *ndev,
3096 const struct brcmf_event_msg *e, void *data)
3097{
3098 u16 flags = be16_to_cpu(e->flags);
3099 enum nl80211_key_type key_type;
3100
3101 if (flags & BRCMF_EVENT_MSG_GROUP)
3102 key_type = NL80211_KEYTYPE_GROUP;
3103 else
3104 key_type = NL80211_KEYTYPE_PAIRWISE;
3105
3106 cfg80211_michael_mic_failure(ndev, (u8 *)&e->addr, key_type, -1,
3107 NULL, GFP_KERNEL);
3108
3109 return 0;
3110}
3111
3112static s32
3113brcmf_notify_scan_status(struct brcmf_cfg80211_priv *cfg_priv,
3114 struct net_device *ndev,
3115 const struct brcmf_event_msg *e, void *data)
3116{
3117 struct brcmf_channel_info_le channel_inform_le;
3118 struct brcmf_scan_results_le *bss_list_le;
3119 u32 len = WL_SCAN_BUF_MAX;
3120 s32 err = 0;
3121 bool scan_abort = false;
3122 u32 scan_channel;
3123
3124 WL_TRACE("Enter\n");
3125
3126 if (cfg_priv->iscan_on && cfg_priv->iscan_kickstart) {
3127 WL_TRACE("Exit\n");
3128 return brcmf_wakeup_iscan(cfg_to_iscan(cfg_priv));
3129 }
3130
3131 if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg_priv->status)) {
3132 WL_ERR("Scan complete while device not scanning\n");
3133 scan_abort = true;
3134 err = -EINVAL;
3135 goto scan_done_out;
3136 }
3137
3138 err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_inform_le,
3139 sizeof(channel_inform_le));
3140 if (err) {
3141 WL_ERR("scan busy (%d)\n", err);
3142 scan_abort = true;
3143 goto scan_done_out;
3144 }
3145 scan_channel = le32_to_cpu(channel_inform_le.scan_channel);
3146 if (scan_channel)
3147 WL_CONN("channel_inform.scan_channel (%d)\n", scan_channel);
3148 cfg_priv->bss_list = cfg_priv->scan_results;
3149 bss_list_le = (struct brcmf_scan_results_le *) cfg_priv->bss_list;
3150
3151 memset(cfg_priv->scan_results, 0, len);
3152 bss_list_le->buflen = cpu_to_le32(len);
3153 err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN_RESULTS,
3154 cfg_priv->scan_results, len);
3155 if (err) {
3156 WL_ERR("%s Scan_results error (%d)\n", ndev->name, err);
3157 err = -EINVAL;
3158 scan_abort = true;
3159 goto scan_done_out;
3160 }
3161 cfg_priv->scan_results->buflen = le32_to_cpu(bss_list_le->buflen);
3162 cfg_priv->scan_results->version = le32_to_cpu(bss_list_le->version);
3163 cfg_priv->scan_results->count = le32_to_cpu(bss_list_le->count);
3164
3165 err = brcmf_inform_bss(cfg_priv);
3166 if (err) {
3167 scan_abort = true;
3168 goto scan_done_out;
3169 }
3170
3171scan_done_out:
3172 if (cfg_priv->scan_request) {
3173 WL_SCAN("calling cfg80211_scan_done\n");
3174 cfg80211_scan_done(cfg_priv->scan_request, scan_abort);
3175 brcmf_set_mpc(ndev, 1);
3176 cfg_priv->scan_request = NULL;
3177 }
3178
3179 WL_TRACE("Exit\n");
3180
3181 return err;
3182}
3183
3184static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
3185{
3186 conf->mode = (u32)-1;
3187 conf->frag_threshold = (u32)-1;
3188 conf->rts_threshold = (u32)-1;
3189 conf->retry_short = (u32)-1;
3190 conf->retry_long = (u32)-1;
3191 conf->tx_power = -1;
3192}
3193
3194static void brcmf_init_eloop_handler(struct brcmf_cfg80211_event_loop *el)
3195{
3196 memset(el, 0, sizeof(*el));
3197 el->handler[BRCMF_E_SCAN_COMPLETE] = brcmf_notify_scan_status;
3198 el->handler[BRCMF_E_LINK] = brcmf_notify_connect_status;
3199 el->handler[BRCMF_E_ROAM] = brcmf_notify_roaming_status;
3200 el->handler[BRCMF_E_MIC_ERROR] = brcmf_notify_mic_status;
3201 el->handler[BRCMF_E_SET_SSID] = brcmf_notify_connect_status;
3202}
3203
3204static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_priv *cfg_priv)
3205{
3206 kfree(cfg_priv->scan_results);
3207 cfg_priv->scan_results = NULL;
3208 kfree(cfg_priv->bss_info);
3209 cfg_priv->bss_info = NULL;
3210 kfree(cfg_priv->conf);
3211 cfg_priv->conf = NULL;
3212 kfree(cfg_priv->profile);
3213 cfg_priv->profile = NULL;
3214 kfree(cfg_priv->scan_req_int);
3215 cfg_priv->scan_req_int = NULL;
3216 kfree(cfg_priv->dcmd_buf);
3217 cfg_priv->dcmd_buf = NULL;
3218 kfree(cfg_priv->extra_buf);
3219 cfg_priv->extra_buf = NULL;
3220 kfree(cfg_priv->iscan);
3221 cfg_priv->iscan = NULL;
3222 kfree(cfg_priv->pmk_list);
3223 cfg_priv->pmk_list = NULL;
3224}
3225
3226static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_priv *cfg_priv)
3227{
3228 cfg_priv->scan_results = kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL);
3229 if (!cfg_priv->scan_results)
3230 goto init_priv_mem_out;
3231 cfg_priv->conf = kzalloc(sizeof(*cfg_priv->conf), GFP_KERNEL);
3232 if (!cfg_priv->conf)
3233 goto init_priv_mem_out;
3234 cfg_priv->profile = kzalloc(sizeof(*cfg_priv->profile), GFP_KERNEL);
3235 if (!cfg_priv->profile)
3236 goto init_priv_mem_out;
3237 cfg_priv->bss_info = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
3238 if (!cfg_priv->bss_info)
3239 goto init_priv_mem_out;
3240 cfg_priv->scan_req_int = kzalloc(sizeof(*cfg_priv->scan_req_int),
3241 GFP_KERNEL);
3242 if (!cfg_priv->scan_req_int)
3243 goto init_priv_mem_out;
3244 cfg_priv->dcmd_buf = kzalloc(WL_DCMD_LEN_MAX, GFP_KERNEL);
3245 if (!cfg_priv->dcmd_buf)
3246 goto init_priv_mem_out;
3247 cfg_priv->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
3248 if (!cfg_priv->extra_buf)
3249 goto init_priv_mem_out;
3250 cfg_priv->iscan = kzalloc(sizeof(*cfg_priv->iscan), GFP_KERNEL);
3251 if (!cfg_priv->iscan)
3252 goto init_priv_mem_out;
3253 cfg_priv->pmk_list = kzalloc(sizeof(*cfg_priv->pmk_list), GFP_KERNEL);
3254 if (!cfg_priv->pmk_list)
3255 goto init_priv_mem_out;
3256
3257 return 0;
3258
3259init_priv_mem_out:
3260 brcmf_deinit_priv_mem(cfg_priv);
3261
3262 return -ENOMEM;
3263}
3264
3265/*
3266* retrieve first queued event from head
3267*/
3268
3269static struct brcmf_cfg80211_event_q *brcmf_deq_event(
3270 struct brcmf_cfg80211_priv *cfg_priv)
3271{
3272 struct brcmf_cfg80211_event_q *e = NULL;
3273
3274 spin_lock_irq(&cfg_priv->evt_q_lock);
3275 if (!list_empty(&cfg_priv->evt_q_list)) {
3276 e = list_first_entry(&cfg_priv->evt_q_list,
3277 struct brcmf_cfg80211_event_q, evt_q_list);
3278 list_del(&e->evt_q_list);
3279 }
3280 spin_unlock_irq(&cfg_priv->evt_q_lock);
3281
3282 return e;
3283}
3284
3285/*
3286** push event to tail of the queue
3287*/
3288
3289static s32
3290brcmf_enq_event(struct brcmf_cfg80211_priv *cfg_priv, u32 event,
3291 const struct brcmf_event_msg *msg)
3292{
3293 struct brcmf_cfg80211_event_q *e;
3294 s32 err = 0;
3295
3296 e = kzalloc(sizeof(struct brcmf_cfg80211_event_q), GFP_KERNEL);
3297 if (!e)
3298 return -ENOMEM;
3299
3300 e->etype = event;
3301 memcpy(&e->emsg, msg, sizeof(struct brcmf_event_msg));
3302
3303 spin_lock_irq(&cfg_priv->evt_q_lock);
3304 list_add_tail(&e->evt_q_list, &cfg_priv->evt_q_list);
3305 spin_unlock_irq(&cfg_priv->evt_q_lock);
3306
3307 return err;
3308}
3309
3310static void brcmf_put_event(struct brcmf_cfg80211_event_q *e)
3311{
3312 kfree(e);
3313}
3314
3315static void brcmf_cfg80211_event_handler(struct work_struct *work)
3316{
3317 struct brcmf_cfg80211_priv *cfg_priv =
3318 container_of(work, struct brcmf_cfg80211_priv,
3319 event_work);
3320 struct brcmf_cfg80211_event_q *e;
3321
3322 e = brcmf_deq_event(cfg_priv);
3323 if (unlikely(!e)) {
3324 WL_ERR("event queue empty...\n");
3325 return;
3326 }
3327
3328 do {
3329 WL_INFO("event type (%d)\n", e->etype);
3330 if (cfg_priv->el.handler[e->etype])
3331 cfg_priv->el.handler[e->etype](cfg_priv,
3332 cfg_to_ndev(cfg_priv),
3333 &e->emsg, e->edata);
3334 else
3335 WL_INFO("Unknown Event (%d): ignoring\n", e->etype);
3336 brcmf_put_event(e);
3337 } while ((e = brcmf_deq_event(cfg_priv)));
3338
3339}
3340
3341static void brcmf_init_eq(struct brcmf_cfg80211_priv *cfg_priv)
3342{
3343 spin_lock_init(&cfg_priv->evt_q_lock);
3344 INIT_LIST_HEAD(&cfg_priv->evt_q_list);
3345}
3346
3347static void brcmf_flush_eq(struct brcmf_cfg80211_priv *cfg_priv)
3348{
3349 struct brcmf_cfg80211_event_q *e;
3350
3351 spin_lock_irq(&cfg_priv->evt_q_lock);
3352 while (!list_empty(&cfg_priv->evt_q_list)) {
3353 e = list_first_entry(&cfg_priv->evt_q_list,
3354 struct brcmf_cfg80211_event_q, evt_q_list);
3355 list_del(&e->evt_q_list);
3356 kfree(e);
3357 }
3358 spin_unlock_irq(&cfg_priv->evt_q_lock);
3359}
3360
3361static s32 wl_init_priv(struct brcmf_cfg80211_priv *cfg_priv)
3362{
3363 s32 err = 0;
3364
3365 cfg_priv->scan_request = NULL;
3366 cfg_priv->pwr_save = true;
3367 cfg_priv->iscan_on = true; /* iscan on & off switch.
3368 we enable iscan per default */
3369 cfg_priv->roam_on = true; /* roam on & off switch.
3370 we enable roam per default */
3371
3372 cfg_priv->iscan_kickstart = false;
3373 cfg_priv->active_scan = true; /* we do active scan for
3374 specific scan per default */
3375 cfg_priv->dongle_up = false; /* dongle is not up yet */
3376 brcmf_init_eq(cfg_priv);
3377 err = brcmf_init_priv_mem(cfg_priv);
3378 if (err)
3379 return err;
3380 INIT_WORK(&cfg_priv->event_work, brcmf_cfg80211_event_handler);
3381 brcmf_init_eloop_handler(&cfg_priv->el);
3382 mutex_init(&cfg_priv->usr_sync);
3383 err = brcmf_init_iscan(cfg_priv);
3384 if (err)
3385 return err;
3386 brcmf_init_conf(cfg_priv->conf);
3387 brcmf_init_prof(cfg_priv->profile);
3388 brcmf_link_down(cfg_priv);
3389
3390 return err;
3391}
3392
3393static void wl_deinit_priv(struct brcmf_cfg80211_priv *cfg_priv)
3394{
3395 cancel_work_sync(&cfg_priv->event_work);
3396 cfg_priv->dongle_up = false; /* dongle down */
3397 brcmf_flush_eq(cfg_priv);
3398 brcmf_link_down(cfg_priv);
3399 brcmf_term_iscan(cfg_priv);
3400 brcmf_deinit_priv_mem(cfg_priv);
3401}
3402
3403struct brcmf_cfg80211_dev *brcmf_cfg80211_attach(struct net_device *ndev,
3404 struct device *busdev,
3405 void *data)
3406{
3407 struct wireless_dev *wdev;
3408 struct brcmf_cfg80211_priv *cfg_priv;
3409 struct brcmf_cfg80211_iface *ci;
3410 struct brcmf_cfg80211_dev *cfg_dev;
3411 s32 err = 0;
3412
3413 if (!ndev) {
3414 WL_ERR("ndev is invalid\n");
3415 return NULL;
3416 }
3417 cfg_dev = kzalloc(sizeof(struct brcmf_cfg80211_dev), GFP_KERNEL);
3418 if (!cfg_dev)
3419 return NULL;
3420
3421 wdev = brcmf_alloc_wdev(sizeof(struct brcmf_cfg80211_iface), busdev);
3422 if (IS_ERR(wdev)) {
3423 kfree(cfg_dev);
3424 return NULL;
3425 }
3426
3427 wdev->iftype = brcmf_mode_to_nl80211_iftype(WL_MODE_BSS);
3428 cfg_priv = wdev_to_cfg(wdev);
3429 cfg_priv->wdev = wdev;
3430 cfg_priv->pub = data;
3431 ci = (struct brcmf_cfg80211_iface *)&cfg_priv->ci;
3432 ci->cfg_priv = cfg_priv;
3433 ndev->ieee80211_ptr = wdev;
3434 SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy));
3435 wdev->netdev = ndev;
3436 err = wl_init_priv(cfg_priv);
3437 if (err) {
3438 WL_ERR("Failed to init iwm_priv (%d)\n", err);
3439 goto cfg80211_attach_out;
3440 }
3441 brcmf_set_drvdata(cfg_dev, ci);
3442
3443 return cfg_dev;
3444
3445cfg80211_attach_out:
3446 brcmf_free_wdev(cfg_priv);
3447 kfree(cfg_dev);
3448 return NULL;
3449}
3450
3451void brcmf_cfg80211_detach(struct brcmf_cfg80211_dev *cfg_dev)
3452{
3453 struct brcmf_cfg80211_priv *cfg_priv;
3454
3455 cfg_priv = brcmf_priv_get(cfg_dev);
3456
3457 wl_deinit_priv(cfg_priv);
3458 brcmf_free_wdev(cfg_priv);
3459 brcmf_set_drvdata(cfg_dev, NULL);
3460 kfree(cfg_dev);
3461}
3462
3463void
3464brcmf_cfg80211_event(struct net_device *ndev,
3465 const struct brcmf_event_msg *e, void *data)
3466{
3467 u32 event_type = be32_to_cpu(e->event_type);
3468 struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
3469
3470 if (!brcmf_enq_event(cfg_priv, event_type, e))
3471 schedule_work(&cfg_priv->event_work);
3472}
3473
3474static s32 brcmf_dongle_mode(struct net_device *ndev, s32 iftype)
3475{
3476 s32 infra = 0;
3477 s32 err = 0;
3478
3479 switch (iftype) {
3480 case NL80211_IFTYPE_MONITOR:
3481 case NL80211_IFTYPE_WDS:
3482 WL_ERR("type (%d) : currently we do not support this mode\n",
3483 iftype);
3484 err = -EINVAL;
3485 return err;
3486 case NL80211_IFTYPE_ADHOC:
3487 infra = 0;
3488 break;
3489 case NL80211_IFTYPE_STATION:
3490 infra = 1;
3491 break;
3492 default:
3493 err = -EINVAL;
3494 WL_ERR("invalid type (%d)\n", iftype);
3495 return err;
3496 }
3497 err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra);
3498 if (err) {
3499 WL_ERR("WLC_SET_INFRA error (%d)\n", err);
3500 return err;
3501 }
3502
3503 return 0;
3504}
3505
3506static s32 brcmf_dongle_eventmsg(struct net_device *ndev)
3507{
3508 /* Room for "event_msgs" + '\0' + bitvec */
3509 s8 iovbuf[BRCMF_EVENTING_MASK_LEN + 12];
3510 s8 eventmask[BRCMF_EVENTING_MASK_LEN];
3511 s32 err = 0;
3512
3513 WL_TRACE("Enter\n");
3514
3515 /* Setup event_msgs */
53a2277d
AB		 3516 brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN,
3517 iovbuf, sizeof(iovbuf));
5b435de0
AS		 3518 err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, iovbuf, sizeof(iovbuf));
3519 if (err) {
3520 WL_ERR("Get event_msgs error (%d)\n", err);
3521 goto dongle_eventmsg_out;
3522 }
3523 memcpy(eventmask, iovbuf, BRCMF_EVENTING_MASK_LEN);
3524
3525 setbit(eventmask, BRCMF_E_SET_SSID);
3526 setbit(eventmask, BRCMF_E_ROAM);
3527 setbit(eventmask, BRCMF_E_PRUNE);
3528 setbit(eventmask, BRCMF_E_AUTH);
3529 setbit(eventmask, BRCMF_E_REASSOC);
3530 setbit(eventmask, BRCMF_E_REASSOC_IND);
3531 setbit(eventmask, BRCMF_E_DEAUTH_IND);
3532 setbit(eventmask, BRCMF_E_DISASSOC_IND);
3533 setbit(eventmask, BRCMF_E_DISASSOC);
3534 setbit(eventmask, BRCMF_E_JOIN);
3535 setbit(eventmask, BRCMF_E_ASSOC_IND);
3536 setbit(eventmask, BRCMF_E_PSK_SUP);
3537 setbit(eventmask, BRCMF_E_LINK);
3538 setbit(eventmask, BRCMF_E_NDIS_LINK);
3539 setbit(eventmask, BRCMF_E_MIC_ERROR);
3540 setbit(eventmask, BRCMF_E_PMKID_CACHE);
3541 setbit(eventmask, BRCMF_E_TXFAIL);
3542 setbit(eventmask, BRCMF_E_JOIN_START);
3543 setbit(eventmask, BRCMF_E_SCAN_COMPLETE);
3544
53a2277d
AB		 3545 brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN,
3546 iovbuf, sizeof(iovbuf));
5b435de0
AS		 3547 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf));
3548 if (err) {
3549 WL_ERR("Set event_msgs error (%d)\n", err);
3550 goto dongle_eventmsg_out;
3551 }
3552
3553dongle_eventmsg_out:
3554 WL_TRACE("Exit\n");
3555 return err;
3556}
3557
3558static s32
3559brcmf_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout)
3560{
3561 s8 iovbuf[32];
5b435de0 3562 s32 err = 0;
f588bc0c
AS		 3563 __le32 roamtrigger[2];
3564 __le32 roam_delta[2];
3565 __le32 bcn_to_le;
3566 __le32 roamvar_le;
5b435de0
AS		 3567
3568 /*
3569 * Setup timeout if Beacons are lost and roam is
3570 * off to report link down
3571 */
3572 if (roamvar) {
f588bc0c 3573 bcn_to_le = cpu_to_le32(bcn_timeout);
53a2277d 3574 brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_to_le,
f588bc0c 3575 sizeof(bcn_to_le), iovbuf, sizeof(iovbuf));
5b435de0
AS		 3576 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR,
3577 iovbuf, sizeof(iovbuf));
3578 if (err) {
3579 WL_ERR("bcn_timeout error (%d)\n", err);
3580 goto dongle_rom_out;
3581 }
3582 }
3583
3584 /*
3585 * Enable/Disable built-in roaming to allow supplicant
3586 * to take care of roaming
3587 */
3588 WL_INFO("Internal Roaming = %s\n", roamvar ? "Off" : "On");
f588bc0c 3589 roamvar_le = cpu_to_le32(roamvar);
53a2277d 3590 brcmf_c_mkiovar("roam_off", (char *)&roamvar_le,
f588bc0c 3591 sizeof(roamvar_le), iovbuf, sizeof(iovbuf));
5b435de0
AS		 3592 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf));
3593 if (err) {
3594 WL_ERR("roam_off error (%d)\n", err);
3595 goto dongle_rom_out;
3596 }
3597
f588bc0c
AS		 3598 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
3599 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
5b435de0
AS		 3600 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_TRIGGER,
3601 (void *)roamtrigger, sizeof(roamtrigger));
3602 if (err) {
3603 WL_ERR("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
3604 goto dongle_rom_out;
3605 }
3606
f588bc0c
AS		 3607 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
3608 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
5b435de0
AS		 3609 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_DELTA,
3610 (void *)roam_delta, sizeof(roam_delta));
3611 if (err) {
3612 WL_ERR("WLC_SET_ROAM_DELTA error (%d)\n", err);
3613 goto dongle_rom_out;
3614 }
3615
3616dongle_rom_out:
3617 return err;
3618}
3619
3620static s32
3621brcmf_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time,
c68cdc0f 3622 s32 scan_unassoc_time, s32 scan_passive_time)
5b435de0
AS		 3623{
3624 s32 err = 0;
c68cdc0f
AS		 3625 __le32 scan_assoc_tm_le = cpu_to_le32(scan_assoc_time);
3626 __le32 scan_unassoc_tm_le = cpu_to_le32(scan_unassoc_time);
3627 __le32 scan_passive_tm_le = cpu_to_le32(scan_passive_time);
5b435de0
AS		 3628
3629 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_CHANNEL_TIME,
c68cdc0f 3630 &scan_assoc_tm_le, sizeof(scan_assoc_tm_le));
5b435de0
AS		 3631 if (err) {
3632 if (err == -EOPNOTSUPP)
3633 WL_INFO("Scan assoc time is not supported\n");
3634 else
3635 WL_ERR("Scan assoc time error (%d)\n", err);
3636 goto dongle_scantime_out;
3637 }
3638 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_UNASSOC_TIME,
c68cdc0f 3639 &scan_unassoc_tm_le, sizeof(scan_unassoc_tm_le));
5b435de0
AS		 3640 if (err) {
3641 if (err == -EOPNOTSUPP)
3642 WL_INFO("Scan unassoc time is not supported\n");
3643 else
3644 WL_ERR("Scan unassoc time error (%d)\n", err);
3645 goto dongle_scantime_out;
3646 }
3647
3648 err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_PASSIVE_TIME,
c68cdc0f 3649 &scan_passive_tm_le, sizeof(scan_passive_tm_le));
5b435de0
AS		 3650 if (err) {
3651 if (err == -EOPNOTSUPP)
3652 WL_INFO("Scan passive time is not supported\n");
3653 else
3654 WL_ERR("Scan passive time error (%d)\n", err);
3655 goto dongle_scantime_out;
3656 }
3657
3658dongle_scantime_out:
3659 return err;
3660}
3661
3662static s32 wl_update_wiphybands(struct brcmf_cfg80211_priv *cfg_priv)
3663{
3664 struct wiphy *wiphy;
3665 s32 phy_list;
3666 s8 phy;
3667 s32 err = 0;
3668
3669 err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCM_GET_PHYLIST,
3670 &phy_list, sizeof(phy_list));
3671 if (err) {
3672 WL_ERR("error (%d)\n", err);
3673 return err;
3674 }
3675
3676 phy = ((char *)&phy_list)[1];
3677 WL_INFO("%c phy\n", phy);
3678 if (phy == 'n' || phy == 'a') {
3679 wiphy = cfg_to_wiphy(cfg_priv);
3680 wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n;
3681 }
3682
3683 return err;
3684}
3685
3686static s32 brcmf_dongle_probecap(struct brcmf_cfg80211_priv *cfg_priv)
3687{
3688 return wl_update_wiphybands(cfg_priv);
3689}
3690
3691static s32 brcmf_config_dongle(struct brcmf_cfg80211_priv *cfg_priv)
3692{
3693 struct net_device *ndev;
3694 struct wireless_dev *wdev;
3695 s32 power_mode;
3696 s32 err = 0;
3697
3698 if (cfg_priv->dongle_up)
3699 return err;
3700
3701 ndev = cfg_to_ndev(cfg_priv);
3702 wdev = ndev->ieee80211_ptr;
3703
3704 brcmf_dongle_scantime(ndev, WL_SCAN_CHANNEL_TIME,
3705 WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
3706
3707 err = brcmf_dongle_eventmsg(ndev);
3708 if (err)
3709 goto default_conf_out;
3710
3711 power_mode = cfg_priv->pwr_save ? PM_FAST : PM_OFF;
3712 err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &power_mode);
3713 if (err)
3714 goto default_conf_out;
3715 WL_INFO("power save set to %s\n",
3716 (power_mode ? "enabled" : "disabled"));
3717
3718 err = brcmf_dongle_roam(ndev, (cfg_priv->roam_on ? 0 : 1),
3719 WL_BEACON_TIMEOUT);
3720 if (err)
3721 goto default_conf_out;
3722 err = brcmf_dongle_mode(ndev, wdev->iftype);
3723 if (err && err != -EINPROGRESS)
3724 goto default_conf_out;
3725 err = brcmf_dongle_probecap(cfg_priv);
3726 if (err)
3727 goto default_conf_out;
3728
3729 /* -EINPROGRESS: Call commit handler */
3730
3731default_conf_out:
3732
3733 cfg_priv->dongle_up = true;
3734
3735 return err;
3736
3737}
3738
3739static int brcmf_debugfs_add_netdev_params(struct brcmf_cfg80211_priv *cfg_priv)
3740{
3741 char buf[10+IFNAMSIZ];
3742 struct dentry *fd;
3743 s32 err = 0;
3744
3745 sprintf(buf, "netdev:%s", cfg_to_ndev(cfg_priv)->name);
3746 cfg_priv->debugfsdir = debugfs_create_dir(buf,
3747 cfg_to_wiphy(cfg_priv)->debugfsdir);
3748
3749 fd = debugfs_create_u16("beacon_int", S_IRUGO, cfg_priv->debugfsdir,
3750 (u16 *)&cfg_priv->profile->beacon_interval);
3751 if (!fd) {
3752 err = -ENOMEM;
3753 goto err_out;
3754 }
3755
3756 fd = debugfs_create_u8("dtim_period", S_IRUGO, cfg_priv->debugfsdir,
3757 (u8 *)&cfg_priv->profile->dtim_period);
3758 if (!fd) {
3759 err = -ENOMEM;
3760 goto err_out;
3761 }
3762
3763err_out:
3764 return err;
3765}
3766
3767static void brcmf_debugfs_remove_netdev(struct brcmf_cfg80211_priv *cfg_priv)
3768{
3769 debugfs_remove_recursive(cfg_priv->debugfsdir);
3770 cfg_priv->debugfsdir = NULL;
3771}
3772
3773static s32 __brcmf_cfg80211_up(struct brcmf_cfg80211_priv *cfg_priv)
3774{
3775 s32 err = 0;
3776
3777 set_bit(WL_STATUS_READY, &cfg_priv->status);
3778
3779 brcmf_debugfs_add_netdev_params(cfg_priv);
3780
3781 err = brcmf_config_dongle(cfg_priv);
3782 if (err)
3783 return err;
3784
3785 brcmf_invoke_iscan(cfg_priv);
3786
3787 return err;
3788}
3789
3790static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_priv *cfg_priv)
3791{
3792 /*
3793 * While going down, if associated with AP disassociate
3794 * from AP to save power
3795 */
3796 if ((test_bit(WL_STATUS_CONNECTED, &cfg_priv->status) ||
3797 test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) &&
3798 test_bit(WL_STATUS_READY, &cfg_priv->status)) {
3799 WL_INFO("Disassociating from AP");
3800 brcmf_link_down(cfg_priv);
3801
3802 /* Make sure WPA_Supplicant receives all the event
3803 generated due to DISASSOC call to the fw to keep
3804 the state fw and WPA_Supplicant state consistent
3805 */
3806 brcmf_delay(500);
3807 }
3808
3809 set_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status);
3810 brcmf_term_iscan(cfg_priv);
3811 if (cfg_priv->scan_request) {
3812 cfg80211_scan_done(cfg_priv->scan_request, true);
3813 /* May need to perform this to cover rmmod */
3814 /* wl_set_mpc(cfg_to_ndev(wl), 1); */
3815 cfg_priv->scan_request = NULL;
3816 }
3817 clear_bit(WL_STATUS_READY, &cfg_priv->status);
3818 clear_bit(WL_STATUS_SCANNING, &cfg_priv->status);
3819 clear_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status);
3820
3821 brcmf_debugfs_remove_netdev(cfg_priv);
3822
3823 return 0;
3824}
3825
3826s32 brcmf_cfg80211_up(struct brcmf_cfg80211_dev *cfg_dev)
3827{
3828 struct brcmf_cfg80211_priv *cfg_priv;
3829 s32 err = 0;
3830
3831 cfg_priv = brcmf_priv_get(cfg_dev);
3832 mutex_lock(&cfg_priv->usr_sync);
3833 err = __brcmf_cfg80211_up(cfg_priv);
3834 mutex_unlock(&cfg_priv->usr_sync);
3835
3836 return err;
3837}
3838
3839s32 brcmf_cfg80211_down(struct brcmf_cfg80211_dev *cfg_dev)
3840{
3841 struct brcmf_cfg80211_priv *cfg_priv;
3842 s32 err = 0;
3843
3844 cfg_priv = brcmf_priv_get(cfg_dev);
3845 mutex_lock(&cfg_priv->usr_sync);
3846 err = __brcmf_cfg80211_down(cfg_priv);
3847 mutex_unlock(&cfg_priv->usr_sync);
3848
3849 return err;
3850}
3851
3852static __used s32 brcmf_add_ie(struct brcmf_cfg80211_priv *cfg_priv,
3853 u8 t, u8 l, u8 *v)
3854{
3855 struct brcmf_cfg80211_ie *ie = &cfg_priv->ie;
3856 s32 err = 0;
3857
3858 if (ie->offset + l + 2 > WL_TLV_INFO_MAX) {
3859 WL_ERR("ei crosses buffer boundary\n");
3860 return -ENOSPC;
3861 }
3862 ie->buf[ie->offset] = t;
3863 ie->buf[ie->offset + 1] = l;
3864 memcpy(&ie->buf[ie->offset + 2], v, l);
3865 ie->offset += l + 2;
3866
3867 return err;
3868}
kernel source for telekom puls (alcatel/mediatek)