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net: move address list functions to a separate file
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / wireless / wl12xx / wl1271_main.c
CommitLineData
f5fc0f86
LC		 1/*
2 * This file is part of wl1271
3 *
8bf29b0e 4 * Copyright (C) 2008-2010 Nokia Corporation
f5fc0f86
LC		 5 *
6 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA
21 *
22 */
23
24#include <linux/module.h>
f5fc0f86
LC		 25#include <linux/firmware.h>
26#include <linux/delay.h>
f5fc0f86
LC		 27#include <linux/spi/spi.h>
28#include <linux/crc32.h>
29#include <linux/etherdevice.h>
1fba4974 30#include <linux/vmalloc.h>
01c09162 31#include <linux/inetdevice.h>
a1dd8187 32#include <linux/platform_device.h>
f5fc0f86
LC		 33
34#include "wl1271.h"
35#include "wl12xx_80211.h"
36#include "wl1271_reg.h"
7b048c52 37#include "wl1271_io.h"
f5fc0f86
LC		 38#include "wl1271_event.h"
39#include "wl1271_tx.h"
40#include "wl1271_rx.h"
41#include "wl1271_ps.h"
42#include "wl1271_init.h"
43#include "wl1271_debugfs.h"
44#include "wl1271_cmd.h"
45#include "wl1271_boot.h"
c8c90873 46#include "wl1271_testmode.h"
f5fc0f86 47
9ccd9217
JO		 48#define WL1271_BOOT_RETRIES 3
49
8a08048a
JO		 50static struct conf_drv_settings default_conf = {
51 .sg = {
1b00f546
JO		 52 .params = {
53 [CONF_SG_BT_PER_THRESHOLD] = 7500,
54 [CONF_SG_HV3_MAX_OVERRIDE] = 0,
55 [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400,
56 [CONF_SG_BT_LOAD_RATIO] = 50,
57 [CONF_SG_AUTO_PS_MODE] = 0,
58 [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170,
59 [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50,
60 [CONF_SG_ANTENNA_CONFIGURATION] = 0,
61 [CONF_SG_BEACON_MISS_PERCENT] = 60,
62 [CONF_SG_RATE_ADAPT_THRESH] = 12,
63 [CONF_SG_RATE_ADAPT_SNR] = 0,
64 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10,
65 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30,
66 [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8,
67 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20,
68 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50,
69 /* Note: with UPSD, this should be 4 */
70 [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8,
71 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7,
72 [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25,
73 [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20,
74 /* Note: with UPDS, this should be 15 */
75 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8,
76 /* Note: with UPDS, this should be 50 */
77 [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40,
78 /* Note: with UPDS, this should be 10 */
79 [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20,
80 [CONF_SG_RXT] = 1200,
81 [CONF_SG_TXT] = 1000,
82 [CONF_SG_ADAPTIVE_RXT_TXT] = 1,
83 [CONF_SG_PS_POLL_TIMEOUT] = 10,
84 [CONF_SG_UPSD_TIMEOUT] = 10,
85 [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7,
86 [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15,
87 [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15,
88 [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8,
89 [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20,
90 [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15,
91 [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20,
92 [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50,
93 [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10,
94 [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200,
95 [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800,
96 [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75,
97 [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15,
98 [CONF_SG_HV3_MAX_SERVED] = 6,
99 [CONF_SG_DHCP_TIME] = 5000,
100 [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100,
101 },
102 .state = CONF_SG_PROTECTIVE,
8a08048a
JO		 103 },
104 .rx = {
105 .rx_msdu_life_time = 512000,
106 .packet_detection_threshold = 0,
107 .ps_poll_timeout = 15,
108 .upsd_timeout = 15,
109 .rts_threshold = 2347,
3ed8f2c6
LC		 110 .rx_cca_threshold = 0,
111 .irq_blk_threshold = 0xFFFF,
112 .irq_pkt_threshold = 0,
113 .irq_timeout = 600,
8a08048a
JO		 114 .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY,
115 },
116 .tx = {
117 .tx_energy_detection = 0,
118 .rc_conf = {
ec078d94
JO		 119 .enabled_rates = CONF_HW_BIT_RATE_1MBPS |
120 CONF_HW_BIT_RATE_2MBPS,
8a08048a
JO		 121 .short_retry_limit = 10,
122 .long_retry_limit = 10,
123 .aflags = 0
45b531a8 124 },
8a08048a
JO		 125 .ac_conf_count = 4,
126 .ac_conf = {
127 [0] = {
128 .ac = CONF_TX_AC_BE,
129 .cw_min = 15,
130 .cw_max = 63,
131 .aifsn = 3,
132 .tx_op_limit = 0,
45b531a8 133 },
8a08048a
JO		 134 [1] = {
135 .ac = CONF_TX_AC_BK,
136 .cw_min = 15,
137 .cw_max = 63,
138 .aifsn = 7,
139 .tx_op_limit = 0,
45b531a8 140 },
8a08048a
JO		 141 [2] = {
142 .ac = CONF_TX_AC_VI,
143 .cw_min = 15,
144 .cw_max = 63,
145 .aifsn = CONF_TX_AIFS_PIFS,
146 .tx_op_limit = 3008,
147 },
148 [3] = {
149 .ac = CONF_TX_AC_VO,
150 .cw_min = 15,
151 .cw_max = 63,
152 .aifsn = CONF_TX_AIFS_PIFS,
153 .tx_op_limit = 1504,
45b531a8 154 },
51f2be24 155 },
8a08048a
JO		 156 .tid_conf_count = 7,
157 .tid_conf = {
158 [0] = {
159 .queue_id = 0,
160 .channel_type = CONF_CHANNEL_TYPE_DCF,
161 .tsid = CONF_TX_AC_BE,
162 .ps_scheme = CONF_PS_SCHEME_LEGACY,
163 .ack_policy = CONF_ACK_POLICY_LEGACY,
164 .apsd_conf = {0, 0},
165 },
166 [1] = {
167 .queue_id = 1,
168 .channel_type = CONF_CHANNEL_TYPE_DCF,
169 .tsid = CONF_TX_AC_BE,
170 .ps_scheme = CONF_PS_SCHEME_LEGACY,
171 .ack_policy = CONF_ACK_POLICY_LEGACY,
172 .apsd_conf = {0, 0},
51f2be24 173 },
8a08048a
JO		 174 [2] = {
175 .queue_id = 2,
176 .channel_type = CONF_CHANNEL_TYPE_DCF,
177 .tsid = CONF_TX_AC_BE,
178 .ps_scheme = CONF_PS_SCHEME_LEGACY,
179 .ack_policy = CONF_ACK_POLICY_LEGACY,
180 .apsd_conf = {0, 0},
51f2be24 181 },
8a08048a
JO		 182 [3] = {
183 .queue_id = 3,
184 .channel_type = CONF_CHANNEL_TYPE_DCF,
185 .tsid = CONF_TX_AC_BE,
186 .ps_scheme = CONF_PS_SCHEME_LEGACY,
187 .ack_policy = CONF_ACK_POLICY_LEGACY,
188 .apsd_conf = {0, 0},
189 },
190 [4] = {
191 .queue_id = 4,
192 .channel_type = CONF_CHANNEL_TYPE_DCF,
193 .tsid = CONF_TX_AC_BE,
194 .ps_scheme = CONF_PS_SCHEME_LEGACY,
195 .ack_policy = CONF_ACK_POLICY_LEGACY,
196 .apsd_conf = {0, 0},
197 },
198 [5] = {
199 .queue_id = 5,
200 .channel_type = CONF_CHANNEL_TYPE_DCF,
201 .tsid = CONF_TX_AC_BE,
202 .ps_scheme = CONF_PS_SCHEME_LEGACY,
203 .ack_policy = CONF_ACK_POLICY_LEGACY,
204 .apsd_conf = {0, 0},
205 },
206 [6] = {
207 .queue_id = 6,
208 .channel_type = CONF_CHANNEL_TYPE_DCF,
209 .tsid = CONF_TX_AC_BE,
210 .ps_scheme = CONF_PS_SCHEME_LEGACY,
211 .ack_policy = CONF_ACK_POLICY_LEGACY,
212 .apsd_conf = {0, 0},
213 }
214 },
215 .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD,
3ed8f2c6
LC		 216 .tx_compl_timeout = 700,
217 .tx_compl_threshold = 4
8a08048a
JO		 218 },
219 .conn = {
220 .wake_up_event = CONF_WAKE_UP_EVENT_DTIM,
221 .listen_interval = 0,
222 .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED,
223 .bcn_filt_ie_count = 1,
224 .bcn_filt_ie = {
225 [0] = {
226 .ie = WLAN_EID_CHANNEL_SWITCH,
227 .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE,
51f2be24 228 }
47fab7d5 229 },
3ed8f2c6 230 .synch_fail_thold = 10,
8a08048a
JO		 231 .bss_lose_timeout = 100,
232 .beacon_rx_timeout = 10000,
233 .broadcast_timeout = 20000,
234 .rx_broadcast_in_ps = 1,
3ed8f2c6 235 .ps_poll_threshold = 20,
8a08048a
JO		 236 .sig_trigger_count = 2,
237 .sig_trigger = {
238 [0] = {
239 .threshold = -75,
240 .pacing = 500,
241 .metric = CONF_TRIG_METRIC_RSSI_BEACON,
242 .type = CONF_TRIG_EVENT_TYPE_EDGE,
243 .direction = CONF_TRIG_EVENT_DIR_LOW,
244 .hysteresis = 2,
245 .index = 0,
246 .enable = 1
47fab7d5 247 },
8a08048a
JO		 248 [1] = {
249 .threshold = -75,
250 .pacing = 500,
251 .metric = CONF_TRIG_METRIC_RSSI_BEACON,
252 .type = CONF_TRIG_EVENT_TYPE_EDGE,
253 .direction = CONF_TRIG_EVENT_DIR_HIGH,
254 .hysteresis = 2,
255 .index = 1,
256 .enable = 1
257 }
258 },
259 .sig_weights = {
260 .rssi_bcn_avg_weight = 10,
261 .rssi_pkt_avg_weight = 10,
262 .snr_bcn_avg_weight = 10,
263 .snr_pkt_avg_weight = 10
11f70f97
JO		 264 },
265 .bet_enable = CONF_BET_MODE_ENABLE,
84502563 266 .bet_max_consecutive = 10,
19ad0715 267 .psm_entry_retries = 3
8a08048a
JO		 268 },
269 .init = {
8a08048a 270 .radioparam = {
152ee6e0 271 .fem = 1,
2b60100b 272 }
6e92b416
LC		 273 },
274 .itrim = {
275 .enable = false,
276 .timeout = 50000,
38ad2d87
JO		 277 },
278 .pm_config = {
279 .host_clk_settling_time = 5000,
280 .host_fast_wakeup_support = false
8a08048a
JO		 281 }
282};
283
a1dd8187
JO		 284static void wl1271_device_release(struct device *dev)
285{
286
287}
288
289static struct platform_device wl1271_device = {
290 .name = "wl1271",
291 .id = -1,
292
293 /* device model insists to have a release function */
294 .dev = {
295 .release = wl1271_device_release,
296 },
297};
298
01c09162
JO		 299static LIST_HEAD(wl_list);
300
8a08048a
JO		 301static void wl1271_conf_init(struct wl1271 *wl)
302{
2b60100b
JO		 303
304 /*
305 * This function applies the default configuration to the driver. This
306 * function is invoked upon driver load (spi probe.)
307 *
308 * The configuration is stored in a run-time structure in order to
309 * facilitate for run-time adjustment of any of the parameters. Making
310 * changes to the configuration structure will apply the new values on
311 * the next interface up (wl1271_op_start.)
312 */
313
314 /* apply driver default configuration */
8a08048a 315 memcpy(&wl->conf, &default_conf, sizeof(default_conf));
2b60100b
JO		 316}
317
318
f5fc0f86
LC		 319static int wl1271_plt_init(struct wl1271 *wl)
320{
12419cce
LC		 321 struct conf_tx_ac_category *conf_ac;
322 struct conf_tx_tid *conf_tid;
323 int ret, i;
f5fc0f86 324
98b5dd5d 325 ret = wl1271_cmd_general_parms(wl);
4a90406b 326 if (ret < 0)
cc7defa3
LC		 327 return ret;
328
98b5dd5d 329 ret = wl1271_cmd_radio_parms(wl);
4a90406b 330 if (ret < 0)
cc7defa3
LC		 331 return ret;
332
12419cce
LC		 333 ret = wl1271_init_templates_config(wl);
334 if (ret < 0)
335 return ret;
336
f5fc0f86
LC		 337 ret = wl1271_acx_init_mem_config(wl);
338 if (ret < 0)
339 return ret;
340
12419cce
LC		 341 /* PHY layer config */
342 ret = wl1271_init_phy_config(wl);
343 if (ret < 0)
344 goto out_free_memmap;
345
346 ret = wl1271_acx_dco_itrim_params(wl);
347 if (ret < 0)
348 goto out_free_memmap;
349
350 /* Initialize connection monitoring thresholds */
351 ret = wl1271_acx_conn_monit_params(wl);
352 if (ret < 0)
353 goto out_free_memmap;
354
355 /* Bluetooth WLAN coexistence */
356 ret = wl1271_init_pta(wl);
357 if (ret < 0)
358 goto out_free_memmap;
359
360 /* Energy detection */
361 ret = wl1271_init_energy_detection(wl);
362 if (ret < 0)
363 goto out_free_memmap;
364
365 /* Default fragmentation threshold */
366 ret = wl1271_acx_frag_threshold(wl);
367 if (ret < 0)
368 goto out_free_memmap;
369
370 /* Default TID configuration */
371 for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
372 conf_tid = &wl->conf.tx.tid_conf[i];
373 ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
374 conf_tid->channel_type,
375 conf_tid->tsid,
376 conf_tid->ps_scheme,
377 conf_tid->ack_policy,
378 conf_tid->apsd_conf[0],
379 conf_tid->apsd_conf[1]);
380 if (ret < 0)
381 goto out_free_memmap;
382 }
383
384 /* Default AC configuration */
385 for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
386 conf_ac = &wl->conf.tx.ac_conf[i];
387 ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
388 conf_ac->cw_max, conf_ac->aifsn,
389 conf_ac->tx_op_limit);
390 if (ret < 0)
391 goto out_free_memmap;
392 }
393
394 /* Enable data path */
94210897 395 ret = wl1271_cmd_data_path(wl, 1);
f5fc0f86 396 if (ret < 0)
12419cce
LC		 397 goto out_free_memmap;
398
399 /* Configure for CAM power saving (ie. always active) */
400 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
401 if (ret < 0)
402 goto out_free_memmap;
403
404 /* configure PM */
405 ret = wl1271_acx_pm_config(wl);
406 if (ret < 0)
407 goto out_free_memmap;
f5fc0f86
LC		 408
409 return 0;
12419cce
LC		 410
411 out_free_memmap:
412 kfree(wl->target_mem_map);
413 wl->target_mem_map = NULL;
414
415 return ret;
f5fc0f86
LC		 416}
417
c15f63bf
JO		 418static void wl1271_fw_status(struct wl1271 *wl,
419 struct wl1271_fw_status *status)
f5fc0f86 420{
ac5e1e39 421 struct timespec ts;
f5fc0f86
LC		 422 u32 total = 0;
423 int i;
424
09a9c2b3 425 wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false);
f5fc0f86
LC		 426
427 wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
428 "drv_rx_counter = %d, tx_results_counter = %d)",
429 status->intr,
430 status->fw_rx_counter,
431 status->drv_rx_counter,
432 status->tx_results_counter);
433
434 /* update number of available TX blocks */
435 for (i = 0; i < NUM_TX_QUEUES; i++) {
d0f63b20
LC		 436 u32 cnt = le32_to_cpu(status->tx_released_blks[i]) -
437 wl->tx_blocks_freed[i];
438
439 wl->tx_blocks_freed[i] =
440 le32_to_cpu(status->tx_released_blks[i]);
f5fc0f86
LC		 441 wl->tx_blocks_available += cnt;
442 total += cnt;
443 }
444
445 /* if more blocks are available now, schedule some tx work */
446 if (total && !skb_queue_empty(&wl->tx_queue))
a64b07e8 447 ieee80211_queue_work(wl->hw, &wl->tx_work);
f5fc0f86
LC		 448
449 /* update the host-chipset time offset */
ac5e1e39
JO		 450 getnstimeofday(&ts);
451 wl->time_offset = (timespec_to_ns(&ts) >> 10) -
452 (s64)le32_to_cpu(status->fw_localtime);
f5fc0f86
LC		 453}
454
1e73eb62
JO		 455#define WL1271_IRQ_MAX_LOOPS 10
456
f5fc0f86
LC		 457static void wl1271_irq_work(struct work_struct *work)
458{
f5fc0f86 459 int ret;
c15f63bf 460 u32 intr;
1e73eb62
JO		 461 int loopcount = WL1271_IRQ_MAX_LOOPS;
462 unsigned long flags;
f5fc0f86
LC		 463 struct wl1271 *wl =
464 container_of(work, struct wl1271, irq_work);
465
466 mutex_lock(&wl->mutex);
467
468 wl1271_debug(DEBUG_IRQ, "IRQ work");
469
1e73eb62 470 if (unlikely(wl->state == WL1271_STATE_OFF))
f5fc0f86
LC		 471 goto out;
472
473 ret = wl1271_ps_elp_wakeup(wl, true);
474 if (ret < 0)
475 goto out;
476
1e73eb62
JO		 477 spin_lock_irqsave(&wl->wl_lock, flags);
478 while (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags) && loopcount) {
479 clear_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags);
480 spin_unlock_irqrestore(&wl->wl_lock, flags);
481 loopcount--;
482
483 wl1271_fw_status(wl, wl->fw_status);
484 intr = le32_to_cpu(wl->fw_status->intr);
485 if (!intr) {
486 wl1271_debug(DEBUG_IRQ, "Zero interrupt received.");
487 continue;
488 }
f5fc0f86 489
1e73eb62 490 intr &= WL1271_INTR_MASK;
f5fc0f86 491
1e73eb62
JO		 492 if (intr & WL1271_ACX_INTR_DATA) {
493 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
1fd2794f 494
1e73eb62
JO		 495 /* check for tx results */
496 if (wl->fw_status->tx_results_counter !=
497 (wl->tx_results_count & 0xff))
498 wl1271_tx_complete(wl);
f5fc0f86 499
1e73eb62
JO		 500 wl1271_rx(wl, wl->fw_status);
501 }
f5fc0f86 502
1e73eb62
JO		 503 if (intr & WL1271_ACX_INTR_EVENT_A) {
504 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A");
505 wl1271_event_handle(wl, 0);
506 }
f5fc0f86 507
1e73eb62
JO		 508 if (intr & WL1271_ACX_INTR_EVENT_B) {
509 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B");
510 wl1271_event_handle(wl, 1);
511 }
f5fc0f86 512
1e73eb62
JO		 513 if (intr & WL1271_ACX_INTR_INIT_COMPLETE)
514 wl1271_debug(DEBUG_IRQ,
515 "WL1271_ACX_INTR_INIT_COMPLETE");
f5fc0f86 516
1e73eb62
JO		 517 if (intr & WL1271_ACX_INTR_HW_AVAILABLE)
518 wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE");
519
520 spin_lock_irqsave(&wl->wl_lock, flags);
c15f63bf 521 }
f5fc0f86 522
1e73eb62
JO		 523 if (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags))
524 ieee80211_queue_work(wl->hw, &wl->irq_work);
525 else
526 clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
527 spin_unlock_irqrestore(&wl->wl_lock, flags);
528
f5fc0f86
LC		 529 wl1271_ps_elp_sleep(wl);
530
531out:
532 mutex_unlock(&wl->mutex);
533}
534
f5fc0f86
LC		 535static int wl1271_fetch_firmware(struct wl1271 *wl)
536{
537 const struct firmware *fw;
538 int ret;
539
8197b711 540 ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl));
f5fc0f86
LC		 541
542 if (ret < 0) {
543 wl1271_error("could not get firmware: %d", ret);
544 return ret;
545 }
546
547 if (fw->size % 4) {
548 wl1271_error("firmware size is not multiple of 32 bits: %zu",
549 fw->size);
550 ret = -EILSEQ;
551 goto out;
552 }
553
554 wl->fw_len = fw->size;
1fba4974 555 wl->fw = vmalloc(wl->fw_len);
f5fc0f86
LC		 556
557 if (!wl->fw) {
558 wl1271_error("could not allocate memory for the firmware");
559 ret = -ENOMEM;
560 goto out;
561 }
562
563 memcpy(wl->fw, fw->data, wl->fw_len);
564
565 ret = 0;
566
567out:
568 release_firmware(fw);
569
570 return ret;
571}
572
573static int wl1271_fetch_nvs(struct wl1271 *wl)
574{
575 const struct firmware *fw;
576 int ret;
577
8197b711 578 ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl));
f5fc0f86
LC		 579
580 if (ret < 0) {
581 wl1271_error("could not get nvs file: %d", ret);
582 return ret;
583 }
584
152ee6e0
JO		 585 if (fw->size != sizeof(struct wl1271_nvs_file)) {
586 wl1271_error("nvs size is not as expected: %zu != %zu",
587 fw->size, sizeof(struct wl1271_nvs_file));
f5fc0f86
LC		 588 ret = -EILSEQ;
589 goto out;
590 }
591
152ee6e0 592 wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
f5fc0f86
LC		 593
594 if (!wl->nvs) {
595 wl1271_error("could not allocate memory for the nvs file");
596 ret = -ENOMEM;
597 goto out;
598 }
599
152ee6e0 600 memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file));
f5fc0f86 601
f5fc0f86
LC		 602out:
603 release_firmware(fw);
604
605 return ret;
606}
607
608static void wl1271_fw_wakeup(struct wl1271 *wl)
609{
610 u32 elp_reg;
611
612 elp_reg = ELPCTRL_WAKE_UP;
74621417 613 wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg);
f5fc0f86
LC		 614}
615
616static int wl1271_setup(struct wl1271 *wl)
617{
618 wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL);
619 if (!wl->fw_status)
620 return -ENOMEM;
621
622 wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL);
623 if (!wl->tx_res_if) {
624 kfree(wl->fw_status);
625 return -ENOMEM;
626 }
627
628 INIT_WORK(&wl->irq_work, wl1271_irq_work);
629 INIT_WORK(&wl->tx_work, wl1271_tx_work);
630 return 0;
631}
632
633static int wl1271_chip_wakeup(struct wl1271 *wl)
634{
451de97a 635 struct wl1271_partition_set partition;
f5fc0f86
LC		 636 int ret = 0;
637
01ac17ec 638 msleep(WL1271_PRE_POWER_ON_SLEEP);
f5fc0f86
LC		 639 wl1271_power_on(wl);
640 msleep(WL1271_POWER_ON_SLEEP);
9b280722
TP		 641 wl1271_io_reset(wl);
642 wl1271_io_init(wl);
f5fc0f86
LC		 643
644 /* We don't need a real memory partition here, because we only want
645 * to use the registers at this point. */
451de97a
JO		 646 memset(&partition, 0, sizeof(partition));
647 partition.reg.start = REGISTERS_BASE;
648 partition.reg.size = REGISTERS_DOWN_SIZE;
649 wl1271_set_partition(wl, &partition);
f5fc0f86
LC		 650
651 /* ELP module wake up */
652 wl1271_fw_wakeup(wl);
653
654 /* whal_FwCtrl_BootSm() */
655
656 /* 0. read chip id from CHIP_ID */
7b048c52 657 wl->chip.id = wl1271_read32(wl, CHIP_ID_B);
f5fc0f86
LC		 658
659 /* 1. check if chip id is valid */
660
661 switch (wl->chip.id) {
662 case CHIP_ID_1271_PG10:
663 wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
664 wl->chip.id);
665
666 ret = wl1271_setup(wl);
667 if (ret < 0)
9ccd9217 668 goto out;
f5fc0f86
LC		 669 break;
670 case CHIP_ID_1271_PG20:
671 wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
672 wl->chip.id);
673
674 ret = wl1271_setup(wl);
675 if (ret < 0)
9ccd9217 676 goto out;
f5fc0f86
LC		 677 break;
678 default:
9ccd9217 679 wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
f5fc0f86 680 ret = -ENODEV;
9ccd9217 681 goto out;
f5fc0f86
LC		 682 }
683
684 if (wl->fw == NULL) {
685 ret = wl1271_fetch_firmware(wl);
686 if (ret < 0)
9ccd9217 687 goto out;
f5fc0f86
LC		 688 }
689
690 /* No NVS from netlink, try to get it from the filesystem */
691 if (wl->nvs == NULL) {
692 ret = wl1271_fetch_nvs(wl);
693 if (ret < 0)
9ccd9217 694 goto out;
f5fc0f86
LC		 695 }
696
697out:
698 return ret;
699}
700
f5fc0f86
LC		 701int wl1271_plt_start(struct wl1271 *wl)
702{
9ccd9217 703 int retries = WL1271_BOOT_RETRIES;
f5fc0f86
LC		 704 int ret;
705
706 mutex_lock(&wl->mutex);
707
708 wl1271_notice("power up");
709
710 if (wl->state != WL1271_STATE_OFF) {
711 wl1271_error("cannot go into PLT state because not "
712 "in off state: %d", wl->state);
713 ret = -EBUSY;
714 goto out;
715 }
716
9ccd9217
JO		 717 while (retries) {
718 retries--;
719 ret = wl1271_chip_wakeup(wl);
720 if (ret < 0)
721 goto power_off;
f5fc0f86 722
9ccd9217
JO		 723 ret = wl1271_boot(wl);
724 if (ret < 0)
725 goto power_off;
eb5b28d0 726
9ccd9217
JO		 727 ret = wl1271_plt_init(wl);
728 if (ret < 0)
729 goto irq_disable;
bd5ea18f 730
9ccd9217
JO		 731 wl->state = WL1271_STATE_PLT;
732 wl1271_notice("firmware booted in PLT mode (%s)",
733 wl->chip.fw_ver);
734 goto out;
eb5b28d0 735
9ccd9217
JO		 736irq_disable:
737 wl1271_disable_interrupts(wl);
738 mutex_unlock(&wl->mutex);
739 /* Unlocking the mutex in the middle of handling is
740 inherently unsafe. In this case we deem it safe to do,
741 because we need to let any possibly pending IRQ out of
742 the system (and while we are WL1271_STATE_OFF the IRQ
743 work function will not do anything.) Also, any other
744 possible concurrent operations will fail due to the
745 current state, hence the wl1271 struct should be safe. */
746 cancel_work_sync(&wl->irq_work);
747 mutex_lock(&wl->mutex);
748power_off:
749 wl1271_power_off(wl);
750 }
f5fc0f86 751
9ccd9217
JO		 752 wl1271_error("firmware boot in PLT mode failed despite %d retries",
753 WL1271_BOOT_RETRIES);
f5fc0f86
LC		 754out:
755 mutex_unlock(&wl->mutex);
756
757 return ret;
758}
759
760int wl1271_plt_stop(struct wl1271 *wl)
761{
762 int ret = 0;
763
764 mutex_lock(&wl->mutex);
765
766 wl1271_notice("power down");
767
768 if (wl->state != WL1271_STATE_PLT) {
769 wl1271_error("cannot power down because not in PLT "
770 "state: %d", wl->state);
771 ret = -EBUSY;
772 goto out;
773 }
774
775 wl1271_disable_interrupts(wl);
776 wl1271_power_off(wl);
777
778 wl->state = WL1271_STATE_OFF;
bd5ea18f 779 wl->rx_counter = 0;
f5fc0f86
LC		 780
781out:
782 mutex_unlock(&wl->mutex);
783
784 return ret;
785}
786
787
788static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
789{
790 struct wl1271 *wl = hw->priv;
830fb67b
JO		 791 struct ieee80211_conf *conf = &hw->conf;
792 struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
793 struct ieee80211_sta *sta = txinfo->control.sta;
794 unsigned long flags;
f5fc0f86 795
830fb67b
JO		 796 /* peek into the rates configured in the STA entry */
797 spin_lock_irqsave(&wl->wl_lock, flags);
798 if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) {
799 wl->sta_rate_set = sta->supp_rates[conf->channel->band];
800 set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags);
801 }
802 spin_unlock_irqrestore(&wl->wl_lock, flags);
803
804 /* queue the packet */
f5fc0f86
LC		 805 skb_queue_tail(&wl->tx_queue, skb);
806
807 /*
808 * The chip specific setup must run before the first TX packet -
809 * before that, the tx_work will not be initialized!
810 */
811
a64b07e8 812 ieee80211_queue_work(wl->hw, &wl->tx_work);
f5fc0f86
LC		 813
814 /*
815 * The workqueue is slow to process the tx_queue and we need stop
816 * the queue here, otherwise the queue will get too long.
817 */
06f7bc7d
JO		 818 if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
819 wl1271_debug(DEBUG_TX, "op_tx: stopping queues");
f5fc0f86 820
06f7bc7d
JO		 821 spin_lock_irqsave(&wl->wl_lock, flags);
822 ieee80211_stop_queues(wl->hw);
71449f8d 823 set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags);
06f7bc7d 824 spin_unlock_irqrestore(&wl->wl_lock, flags);
f5fc0f86
LC		 825 }
826
827 return NETDEV_TX_OK;
828}
829
01c09162
JO		 830static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
831 void *arg)
832{
833 struct net_device *dev;
834 struct wireless_dev *wdev;
835 struct wiphy *wiphy;
836 struct ieee80211_hw *hw;
837 struct wl1271 *wl;
838 struct wl1271 *wl_temp;
839 struct in_device *idev;
840 struct in_ifaddr *ifa = arg;
841 int ret = 0;
842
843 /* FIXME: this ugly function should probably be implemented in the
844 * mac80211, and here should only be a simple callback handling actual
845 * setting of the filters. Now we need to dig up references to
846 * various structures to gain access to what we need.
847 * Also, because of this, there is no "initial" setting of the filter
848 * in "op_start", because we don't want to dig up struct net_device
849 * there - the filter will be set upon first change of the interface
850 * IP address. */
851
852 dev = ifa->ifa_dev->dev;
853
854 wdev = dev->ieee80211_ptr;
855 if (wdev == NULL)
17d7265c 856 return NOTIFY_DONE;
01c09162
JO		 857
858 wiphy = wdev->wiphy;
859 if (wiphy == NULL)
17d7265c 860 return NOTIFY_DONE;
01c09162
JO		 861
862 hw = wiphy_priv(wiphy);
863 if (hw == NULL)
17d7265c 864 return NOTIFY_DONE;
01c09162
JO		 865
866 /* Check that the interface is one supported by this driver. */
867 wl_temp = hw->priv;
868 list_for_each_entry(wl, &wl_list, list) {
869 if (wl == wl_temp)
870 break;
871 }
872 if (wl == NULL)
17d7265c 873 return NOTIFY_DONE;
01c09162
JO		 874
875 /* Get the interface IP address for the device. "ifa" will become
876 NULL if:
877 - there is no IPV4 protocol address configured
878 - there are multiple (virtual) IPV4 addresses configured
879 When "ifa" is NULL, filtering will be disabled.
880 */
881 ifa = NULL;
882 idev = dev->ip_ptr;
883 if (idev)
884 ifa = idev->ifa_list;
885
886 if (ifa && ifa->ifa_next)
887 ifa = NULL;
888
889 mutex_lock(&wl->mutex);
890
891 if (wl->state == WL1271_STATE_OFF)
892 goto out;
893
894 ret = wl1271_ps_elp_wakeup(wl, false);
895 if (ret < 0)
896 goto out;
897 if (ifa)
898 ret = wl1271_acx_arp_ip_filter(wl, true,
899 (u8 *)&ifa->ifa_address,
900 ACX_IPV4_VERSION);
901 else
902 ret = wl1271_acx_arp_ip_filter(wl, false, NULL,
903 ACX_IPV4_VERSION);
904 wl1271_ps_elp_sleep(wl);
905
906out:
907 mutex_unlock(&wl->mutex);
908
17d7265c 909 return NOTIFY_OK;
01c09162
JO		 910}
911
912static struct notifier_block wl1271_dev_notifier = {
913 .notifier_call = wl1271_dev_notify,
914};
915
916
f5fc0f86 917static int wl1271_op_start(struct ieee80211_hw *hw)
1b72aecd
JO		 918{
919 wl1271_debug(DEBUG_MAC80211, "mac80211 start");
920
921 /*
922 * We have to delay the booting of the hardware because
923 * we need to know the local MAC address before downloading and
924 * initializing the firmware. The MAC address cannot be changed
925 * after boot, and without the proper MAC address, the firmware
926 * will not function properly.
927 *
928 * The MAC address is first known when the corresponding interface
929 * is added. That is where we will initialize the hardware.
930 */
931
932 return 0;
933}
934
935static void wl1271_op_stop(struct ieee80211_hw *hw)
936{
937 wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
938}
939
940static int wl1271_op_add_interface(struct ieee80211_hw *hw,
941 struct ieee80211_vif *vif)
f5fc0f86
LC		 942{
943 struct wl1271 *wl = hw->priv;
9ccd9217 944 int retries = WL1271_BOOT_RETRIES;
f5fc0f86
LC		 945 int ret = 0;
946
1b72aecd
JO		 947 wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
948 vif->type, vif->addr);
f5fc0f86
LC		 949
950 mutex_lock(&wl->mutex);
1b72aecd
JO		 951 if (wl->vif) {
952 ret = -EBUSY;
953 goto out;
954 }
955
956 wl->vif = vif;
957
958 switch (vif->type) {
959 case NL80211_IFTYPE_STATION:
960 wl->bss_type = BSS_TYPE_STA_BSS;
961 break;
962 case NL80211_IFTYPE_ADHOC:
963 wl->bss_type = BSS_TYPE_IBSS;
964 break;
965 default:
966 ret = -EOPNOTSUPP;
967 goto out;
968 }
969
970 memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
f5fc0f86
LC		 971
972 if (wl->state != WL1271_STATE_OFF) {
973 wl1271_error("cannot start because not in off state: %d",
974 wl->state);
975 ret = -EBUSY;
976 goto out;
977 }
978
9ccd9217
JO		 979 while (retries) {
980 retries--;
981 ret = wl1271_chip_wakeup(wl);
982 if (ret < 0)
983 goto power_off;
f5fc0f86 984
9ccd9217
JO		 985 ret = wl1271_boot(wl);
986 if (ret < 0)
987 goto power_off;
f5fc0f86 988
9ccd9217
JO		 989 ret = wl1271_hw_init(wl);
990 if (ret < 0)
991 goto irq_disable;
f5fc0f86 992
9ccd9217
JO		 993 wl->state = WL1271_STATE_ON;
994 wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
995 goto out;
eb5b28d0 996
9ccd9217
JO		 997irq_disable:
998 wl1271_disable_interrupts(wl);
999 mutex_unlock(&wl->mutex);
1000 /* Unlocking the mutex in the middle of handling is
1001 inherently unsafe. In this case we deem it safe to do,
1002 because we need to let any possibly pending IRQ out of
1003 the system (and while we are WL1271_STATE_OFF the IRQ
1004 work function will not do anything.) Also, any other
1005 possible concurrent operations will fail due to the
1006 current state, hence the wl1271 struct should be safe. */
1007 cancel_work_sync(&wl->irq_work);
1008 mutex_lock(&wl->mutex);
1009power_off:
1010 wl1271_power_off(wl);
1011 }
eb5b28d0 1012
9ccd9217
JO		 1013 wl1271_error("firmware boot failed despite %d retries",
1014 WL1271_BOOT_RETRIES);
eb5b28d0 1015out:
f5fc0f86
LC		 1016 mutex_unlock(&wl->mutex);
1017
01c09162
JO		 1018 if (!ret) {
1019 list_add(&wl->list, &wl_list);
1020 register_inetaddr_notifier(&wl1271_dev_notifier);
1021 }
1022
f5fc0f86
LC		 1023 return ret;
1024}
1025
1b72aecd
JO		 1026static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
1027 struct ieee80211_vif *vif)
f5fc0f86
LC		 1028{
1029 struct wl1271 *wl = hw->priv;
1030 int i;
1031
2ea9fb3d
JO		 1032 unregister_inetaddr_notifier(&wl1271_dev_notifier);
1033
1b72aecd
JO		 1034 mutex_lock(&wl->mutex);
1035 wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
f5fc0f86 1036
1b72aecd 1037 wl1271_info("down");
f5fc0f86 1038
01c09162
JO		 1039 list_del(&wl->list);
1040
f5fc0f86
LC		 1041 WARN_ON(wl->state != WL1271_STATE_ON);
1042
71449f8d 1043 if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) {
f5fc0f86
LC		 1044 mutex_unlock(&wl->mutex);
1045 ieee80211_scan_completed(wl->hw, true);
1046 mutex_lock(&wl->mutex);
f5fc0f86
LC		 1047 }
1048
1049 wl->state = WL1271_STATE_OFF;
1050
1051 wl1271_disable_interrupts(wl);
1052
1053 mutex_unlock(&wl->mutex);
1054
1055 cancel_work_sync(&wl->irq_work);
1056 cancel_work_sync(&wl->tx_work);
f5fc0f86
LC		 1057
1058 mutex_lock(&wl->mutex);
1059
1060 /* let's notify MAC80211 about the remaining pending TX frames */
1061 wl1271_tx_flush(wl);
1062 wl1271_power_off(wl);
1063
1064 memset(wl->bssid, 0, ETH_ALEN);
1065 memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1);
1066 wl->ssid_len = 0;
f5fc0f86 1067 wl->bss_type = MAX_BSS_TYPE;
8a5a37a6 1068 wl->band = IEEE80211_BAND_2GHZ;
f5fc0f86
LC		 1069
1070 wl->rx_counter = 0;
19ad0715 1071 wl->psm_entry_retry = 0;
f5fc0f86
LC		 1072 wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
1073 wl->tx_blocks_available = 0;
1074 wl->tx_results_count = 0;
1075 wl->tx_packets_count = 0;
ac4e4ce5 1076 wl->tx_security_last_seq = 0;
04e36fc5 1077 wl->tx_security_seq = 0;
f5fc0f86
LC		 1078 wl->time_offset = 0;
1079 wl->session_counter = 0;
830fb67b
JO		 1080 wl->rate_set = CONF_TX_RATE_MASK_BASIC;
1081 wl->sta_rate_set = 0;
1082 wl->flags = 0;
1b72aecd 1083 wl->vif = NULL;
14b228a0 1084 wl->filters = 0;
d6e19d13 1085
f5fc0f86
LC		 1086 for (i = 0; i < NUM_TX_QUEUES; i++)
1087 wl->tx_blocks_freed[i] = 0;
1088
1089 wl1271_debugfs_reset(wl);
1090 mutex_unlock(&wl->mutex);
1091}
1092
14b228a0
JO		 1093static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters)
1094{
1095 wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
1096 wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
1097
1098 /* combine requested filters with current filter config */
1099 filters = wl->filters | filters;
1100
1101 wl1271_debug(DEBUG_FILTERS, "RX filters set: ");
1102
1103 if (filters & FIF_PROMISC_IN_BSS) {
1104 wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS");
1105 wl->rx_config &= ~CFG_UNI_FILTER_EN;
1106 wl->rx_config |= CFG_BSSID_FILTER_EN;
1107 }
1108 if (filters & FIF_BCN_PRBRESP_PROMISC) {
1109 wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC");
1110 wl->rx_config &= ~CFG_BSSID_FILTER_EN;
1111 wl->rx_config &= ~CFG_SSID_FILTER_EN;
1112 }
1113 if (filters & FIF_OTHER_BSS) {
1114 wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS");
1115 wl->rx_config &= ~CFG_BSSID_FILTER_EN;
1116 }
1117 if (filters & FIF_CONTROL) {
1118 wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL");
1119 wl->rx_filter |= CFG_RX_CTL_EN;
1120 }
1121 if (filters & FIF_FCSFAIL) {
1122 wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL");
1123 wl->rx_filter |= CFG_RX_FCS_ERROR;
1124 }
1125}
1126
c7f43e45
LC		 1127static int wl1271_join_channel(struct wl1271 *wl, int channel)
1128{
e0d8bbf0 1129 int ret = 0;
c7f43e45
LC		 1130 /* we need to use a dummy BSSID for now */
1131 static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde,
1132 0xad, 0xbe, 0xef };
1133
c7f43e45
LC		 1134 wl->channel = channel;
1135 memcpy(wl->bssid, dummy_bssid, ETH_ALEN);
1136
14b228a0
JO		 1137 /* pass through frames from all BSS */
1138 wl1271_configure_filters(wl, FIF_OTHER_BSS);
1139
15305498
JO		 1140 /* the dummy join is performed always with STATION BSS type to allow
1141 also ad-hoc mode to listen to the surroundings without sending any
1142 beacons yet. */
1143 ret = wl1271_cmd_join(wl, BSS_TYPE_STA_BSS);
c7f43e45
LC		 1144 if (ret < 0)
1145 goto out;
1146
71449f8d 1147 set_bit(WL1271_FLAG_JOINED, &wl->flags);
c7f43e45
LC		 1148
1149out:
1150 return ret;
1151}
1152
1153static int wl1271_unjoin_channel(struct wl1271 *wl)
1154{
1155 int ret;
1156
1157 /* to stop listening to a channel, we disconnect */
1158 ret = wl1271_cmd_disconnect(wl);
1159 if (ret < 0)
1160 goto out;
1161
71449f8d 1162 clear_bit(WL1271_FLAG_JOINED, &wl->flags);
c7f43e45
LC		 1163 wl->channel = 0;
1164 memset(wl->bssid, 0, ETH_ALEN);
14b228a0
JO		 1165
1166 /* stop filterting packets based on bssid */
1167 wl1271_configure_filters(wl, FIF_OTHER_BSS);
c7f43e45
LC		 1168
1169out:
1170 return ret;
1171}
1172
f5fc0f86
LC		 1173static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
1174{
1175 struct wl1271 *wl = hw->priv;
1176 struct ieee80211_conf *conf = &hw->conf;
1177 int channel, ret = 0;
1178
1179 channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
1180
c7f43e45 1181 wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s",
f5fc0f86
LC		 1182 channel,
1183 conf->flags & IEEE80211_CONF_PS ? "on" : "off",
c7f43e45
LC		 1184 conf->power_level,
1185 conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use");
f5fc0f86
LC		 1186
1187 mutex_lock(&wl->mutex);
1188
8a5a37a6
JO		 1189 wl->band = conf->channel->band;
1190
f5fc0f86
LC		 1191 ret = wl1271_ps_elp_wakeup(wl, false);
1192 if (ret < 0)
1193 goto out;
1194
c7f43e45 1195 if (changed & IEEE80211_CONF_CHANGE_IDLE) {
71449f8d
JO		 1196 if (conf->flags & IEEE80211_CONF_IDLE &&
1197 test_bit(WL1271_FLAG_JOINED, &wl->flags))
c7f43e45 1198 wl1271_unjoin_channel(wl);
8f648c00 1199 else if (!(conf->flags & IEEE80211_CONF_IDLE))
c7f43e45 1200 wl1271_join_channel(wl, channel);
a6fe2313
JO		 1201
1202 if (conf->flags & IEEE80211_CONF_IDLE) {
830fb67b
JO		 1203 wl->rate_set = CONF_TX_RATE_MASK_BASIC;
1204 wl->sta_rate_set = 0;
1205 wl1271_acx_rate_policies(wl);
a6fe2313 1206 }
f5fc0f86
LC		 1207 }
1208
c7f43e45 1209 /* if the channel changes while joined, join again */
ddb01a5b
JO		 1210 if (channel != wl->channel &&
1211 test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
1212 wl->channel = channel;
1213 /* FIXME: maybe use CMD_CHANNEL_SWITCH for this? */
15305498 1214 ret = wl1271_cmd_join(wl, wl->bss_type);
ddb01a5b
JO		 1215 if (ret < 0)
1216 wl1271_warning("cmd join to update channel failed %d",
1217 ret);
1218 } else
1219 wl->channel = channel;
c7f43e45 1220
71449f8d
JO		 1221 if (conf->flags & IEEE80211_CONF_PS &&
1222 !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
1223 set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
f5fc0f86
LC		 1224
1225 /*
1226 * We enter PSM only if we're already associated.
1227 * If we're not, we'll enter it when joining an SSID,
1228 * through the bss_info_changed() hook.
1229 */
830fb67b 1230 if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) {
18f8d468 1231 wl1271_debug(DEBUG_PSM, "psm enabled");
d8c42c0c
JO		 1232 ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE,
1233 true);
af5e084b 1234 }
f5fc0f86 1235 } else if (!(conf->flags & IEEE80211_CONF_PS) &&
71449f8d 1236 test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) {
18f8d468 1237 wl1271_debug(DEBUG_PSM, "psm disabled");
f5fc0f86 1238
71449f8d 1239 clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags);
f5fc0f86 1240
71449f8d 1241 if (test_bit(WL1271_FLAG_PSM, &wl->flags))
d8c42c0c
JO		 1242 ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE,
1243 true);
f5fc0f86
LC		 1244 }
1245
1246 if (conf->power_level != wl->power_level) {
1247 ret = wl1271_acx_tx_power(wl, conf->power_level);
1248 if (ret < 0)
c6317a54 1249 goto out_sleep;
f5fc0f86
LC		 1250
1251 wl->power_level = conf->power_level;
1252 }
1253
1254out_sleep:
1255 wl1271_ps_elp_sleep(wl);
1256
1257out:
1258 mutex_unlock(&wl->mutex);
1259
1260 return ret;
1261}
1262
b54853f1
JO		 1263struct wl1271_filter_params {
1264 bool enabled;
1265 int mc_list_length;
1266 u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN];
1267};
1268
c87dec9f
JO		 1269static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
1270 struct dev_addr_list *mc_list)
1271{
c87dec9f 1272 struct wl1271_filter_params *fp;
c87dec9f
JO		 1273 int i;
1274
74441130 1275 fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
c87dec9f
JO		 1276 if (!fp) {
1277 wl1271_error("Out of memory setting filters.");
1278 return 0;
1279 }
1280
1281 /* update multicast filtering parameters */
b54853f1 1282 fp->enabled = true;
c87dec9f
JO		 1283 if (mc_count > ACX_MC_ADDRESS_GROUP_MAX) {
1284 mc_count = 0;
b54853f1 1285 fp->enabled = false;
c87dec9f
JO		 1286 }
1287
1288 fp->mc_list_length = 0;
1289 for (i = 0; i < mc_count; i++) {
1290 if (mc_list->da_addrlen == ETH_ALEN) {
1291 memcpy(fp->mc_list[fp->mc_list_length],
1292 mc_list->da_addr, ETH_ALEN);
1293 fp->mc_list_length++;
1294 } else
1295 wl1271_warning("Unknown mc address length.");
74441130 1296 mc_list = mc_list->next;
c87dec9f
JO		 1297 }
1298
b54853f1 1299 return (u64)(unsigned long)fp;
c87dec9f 1300}
f5fc0f86 1301
b54853f1
JO		 1302#define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \
1303 FIF_ALLMULTI | \
1304 FIF_FCSFAIL | \
1305 FIF_BCN_PRBRESP_PROMISC | \
1306 FIF_CONTROL | \
1307 FIF_OTHER_BSS)
1308
f5fc0f86
LC		 1309static void wl1271_op_configure_filter(struct ieee80211_hw *hw,
1310 unsigned int changed,
c87dec9f 1311 unsigned int *total, u64 multicast)
f5fc0f86 1312{
b54853f1 1313 struct wl1271_filter_params *fp = (void *)(unsigned long)multicast;
f5fc0f86 1314 struct wl1271 *wl = hw->priv;
b54853f1 1315 int ret;
f5fc0f86
LC		 1316
1317 wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter");
1318
b54853f1
JO		 1319 mutex_lock(&wl->mutex);
1320
1321 if (wl->state == WL1271_STATE_OFF)
1322 goto out;
1323
1324 ret = wl1271_ps_elp_wakeup(wl, false);
1325 if (ret < 0)
1326 goto out;
1327
f5fc0f86
LC		 1328 *total &= WL1271_SUPPORTED_FILTERS;
1329 changed &= WL1271_SUPPORTED_FILTERS;
1330
b54853f1
JO		 1331 if (*total & FIF_ALLMULTI)
1332 ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0);
1333 else if (fp)
1334 ret = wl1271_acx_group_address_tbl(wl, fp->enabled,
1335 fp->mc_list,
1336 fp->mc_list_length);
1337 if (ret < 0)
1338 goto out_sleep;
f5fc0f86 1339
b54853f1
JO		 1340 /* determine, whether supported filter values have changed */
1341 if (changed == 0)
1342 goto out_sleep;
c87dec9f 1343
14b228a0
JO		 1344 /* configure filters */
1345 wl->filters = *total;
1346 wl1271_configure_filters(wl, 0);
1347
b54853f1
JO		 1348 /* apply configured filters */
1349 ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter);
1350 if (ret < 0)
1351 goto out_sleep;
1352
1353out_sleep:
1354 wl1271_ps_elp_sleep(wl);
1355
1356out:
1357 mutex_unlock(&wl->mutex);
14b228a0 1358 kfree(fp);
f5fc0f86
LC		 1359}
1360
1361static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1362 struct ieee80211_vif *vif,
1363 struct ieee80211_sta *sta,
1364 struct ieee80211_key_conf *key_conf)
1365{
1366 struct wl1271 *wl = hw->priv;
1367 const u8 *addr;
1368 int ret;
ac4e4ce5
JO		 1369 u32 tx_seq_32 = 0;
1370 u16 tx_seq_16 = 0;
f5fc0f86
LC		 1371 u8 key_type;
1372
1373 static const u8 bcast_addr[ETH_ALEN] =
1374 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1375
1376 wl1271_debug(DEBUG_MAC80211, "mac80211 set key");
1377
1378 addr = sta ? sta->addr : bcast_addr;
1379
1380 wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd);
1381 wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN);
1382 wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x",
1383 key_conf->alg, key_conf->keyidx,
1384 key_conf->keylen, key_conf->flags);
1385 wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen);
1386
1387 if (is_zero_ether_addr(addr)) {
1388 /* We dont support TX only encryption */
1389 ret = -EOPNOTSUPP;
1390 goto out;
1391 }
1392
1393 mutex_lock(&wl->mutex);
1394
1395 ret = wl1271_ps_elp_wakeup(wl, false);
1396 if (ret < 0)
1397 goto out_unlock;
1398
1399 switch (key_conf->alg) {
1400 case ALG_WEP:
1401 key_type = KEY_WEP;
1402
1403 key_conf->hw_key_idx = key_conf->keyidx;
1404 break;
1405 case ALG_TKIP:
1406 key_type = KEY_TKIP;
1407
1408 key_conf->hw_key_idx = key_conf->keyidx;
04e36fc5
JO		 1409 tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq);
1410 tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq);
f5fc0f86
LC		 1411 break;
1412 case ALG_CCMP:
1413 key_type = KEY_AES;
1414
1415 key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
04e36fc5
JO		 1416 tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq);
1417 tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq);
f5fc0f86
LC		 1418 break;
1419 default:
1420 wl1271_error("Unknown key algo 0x%x", key_conf->alg);
1421
1422 ret = -EOPNOTSUPP;
1423 goto out_sleep;
1424 }
1425
1426 switch (cmd) {
1427 case SET_KEY:
1428 ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE,
1429 key_conf->keyidx, key_type,
1430 key_conf->keylen, key_conf->key,
ac4e4ce5 1431 addr, tx_seq_32, tx_seq_16);
f5fc0f86
LC		 1432 if (ret < 0) {
1433 wl1271_error("Could not add or replace key");
1434 goto out_sleep;
1435 }
ee444cf0
JO		 1436
1437 /* the default WEP key needs to be configured at least once */
1438 if (key_type == KEY_WEP) {
1439 ret = wl1271_cmd_set_default_wep_key(wl,
1440 wl->default_key);
1441 if (ret < 0)
1442 goto out_sleep;
1443 }
f5fc0f86
LC		 1444 break;
1445
1446 case DISABLE_KEY:
fddc7dd7
JO		 1447 /* The wl1271 does not allow to remove unicast keys - they
1448 will be cleared automatically on next CMD_JOIN. Ignore the
1449 request silently, as we dont want the mac80211 to emit
1450 an error message. */
1451 if (!is_broadcast_ether_addr(addr))
1452 break;
1453
f5fc0f86
LC		 1454 ret = wl1271_cmd_set_key(wl, KEY_REMOVE,
1455 key_conf->keyidx, key_type,
1456 key_conf->keylen, key_conf->key,
ac4e4ce5 1457 addr, 0, 0);
f5fc0f86
LC		 1458 if (ret < 0) {
1459 wl1271_error("Could not remove key");
1460 goto out_sleep;
1461 }
1462 break;
1463
1464 default:
1465 wl1271_error("Unsupported key cmd 0x%x", cmd);
1466 ret = -EOPNOTSUPP;
1467 goto out_sleep;
1468
1469 break;
1470 }
1471
1472out_sleep:
1473 wl1271_ps_elp_sleep(wl);
1474
1475out_unlock:
1476 mutex_unlock(&wl->mutex);
1477
1478out:
1479 return ret;
1480}
1481
1482static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
1483 struct cfg80211_scan_request *req)
1484{
1485 struct wl1271 *wl = hw->priv;
1486 int ret;
1487 u8 *ssid = NULL;
abb0b3bf 1488 size_t len = 0;
f5fc0f86
LC		 1489
1490 wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan");
1491
1492 if (req->n_ssids) {
1493 ssid = req->ssids[0].ssid;
abb0b3bf 1494 len = req->ssids[0].ssid_len;
f5fc0f86
LC		 1495 }
1496
1497 mutex_lock(&wl->mutex);
1498
1499 ret = wl1271_ps_elp_wakeup(wl, false);
1500 if (ret < 0)
1501 goto out;
1502
abb0b3bf 1503 if (wl1271_11a_enabled())
818e3063
KV		 1504 ret = wl1271_cmd_scan(hw->priv, ssid, len,
1505 req->ie, req->ie_len, 1, 0,
abb0b3bf
TP		 1506 WL1271_SCAN_BAND_DUAL, 3);
1507 else
818e3063
KV		 1508 ret = wl1271_cmd_scan(hw->priv, ssid, len,
1509 req->ie, req->ie_len, 1, 0,
abb0b3bf 1510 WL1271_SCAN_BAND_2_4_GHZ, 3);
f5fc0f86
LC		 1511
1512 wl1271_ps_elp_sleep(wl);
1513
1514out:
1515 mutex_unlock(&wl->mutex);
1516
1517 return ret;
1518}
1519
1520static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
1521{
1522 struct wl1271 *wl = hw->priv;
1523 int ret;
1524
1525 mutex_lock(&wl->mutex);
1526
1527 ret = wl1271_ps_elp_wakeup(wl, false);
1528 if (ret < 0)
1529 goto out;
1530
1531 ret = wl1271_acx_rts_threshold(wl, (u16) value);
1532 if (ret < 0)
1533 wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret);
1534
1535 wl1271_ps_elp_sleep(wl);
1536
1537out:
1538 mutex_unlock(&wl->mutex);
1539
1540 return ret;
1541}
1542
30240fc7
JO		 1543static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon)
1544{
1545 u8 *ptr = beacon->data +
1546 offsetof(struct ieee80211_mgmt, u.beacon.variable);
1547
1548 /* find the location of the ssid in the beacon */
1549 while (ptr < beacon->data + beacon->len) {
1550 if (ptr[0] == WLAN_EID_SSID) {
1551 wl->ssid_len = ptr[1];
1552 memcpy(wl->ssid, ptr+2, wl->ssid_len);
1553 return;
1554 }
1555 ptr += ptr[1];
1556 }
1557 wl1271_error("ad-hoc beacon template has no SSID!\n");
1558}
1559
f5fc0f86
LC		 1560static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
1561 struct ieee80211_vif *vif,
1562 struct ieee80211_bss_conf *bss_conf,
1563 u32 changed)
1564{
1565 enum wl1271_cmd_ps_mode mode;
1566 struct wl1271 *wl = hw->priv;
8bf29b0e 1567 bool do_join = false;
f5fc0f86
LC		 1568 int ret;
1569
1570 wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed");
1571
1572 mutex_lock(&wl->mutex);
1573
1574 ret = wl1271_ps_elp_wakeup(wl, false);
1575 if (ret < 0)
1576 goto out;
1577
e0d8bbf0
JO		 1578 if (wl->bss_type == BSS_TYPE_IBSS) {
1579 /* FIXME: This implements rudimentary ad-hoc support -
1580 proper templates are on the wish list and notification
1581 on when they change. This patch will update the templates
30240fc7 1582 on every call to this function. */
e0d8bbf0
JO		 1583 struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
1584
1585 if (beacon) {
1586 struct ieee80211_hdr *hdr;
30240fc7
JO		 1587
1588 wl1271_ssid_set(wl, beacon);
e0d8bbf0
JO		 1589 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
1590 beacon->data,
1591 beacon->len);
1592
1593 if (ret < 0) {
1594 dev_kfree_skb(beacon);
1595 goto out_sleep;
1596 }
1597
1598 hdr = (struct ieee80211_hdr *) beacon->data;
1599 hdr->frame_control = cpu_to_le16(
1600 IEEE80211_FTYPE_MGMT |
1601 IEEE80211_STYPE_PROBE_RESP);
1602
1603 ret = wl1271_cmd_template_set(wl,
1604 CMD_TEMPL_PROBE_RESPONSE,
1605 beacon->data,
1606 beacon->len);
1607 dev_kfree_skb(beacon);
1608 if (ret < 0)
1609 goto out_sleep;
8bf29b0e
JO		 1610
1611 /* Need to update the SSID (for filtering etc) */
1612 do_join = true;
e0d8bbf0
JO		 1613 }
1614 }
1615
30240fc7
JO		 1616 if ((changed & BSS_CHANGED_BSSID) &&
1617 /*
1618 * Now we know the correct bssid, so we send a new join command
1619 * and enable the BSSID filter
1620 */
1621 memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) {
30240fc7 1622 memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
a0cb7be4 1623
30240fc7 1624 ret = wl1271_cmd_build_null_data(wl);
a0cb7be4 1625 if (ret < 0)
30240fc7 1626 goto out_sleep;
30240fc7 1627
14b228a0
JO		 1628 /* filter out all packets not from this BSSID */
1629 wl1271_configure_filters(wl, 0);
1630
8bf29b0e
JO		 1631 /* Need to update the BSSID (for filtering etc) */
1632 do_join = true;
30240fc7
JO		 1633 }
1634
f5fc0f86
LC		 1635 if (changed & BSS_CHANGED_ASSOC) {
1636 if (bss_conf->assoc) {
1637 wl->aid = bss_conf->aid;
830fb67b 1638 set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
f5fc0f86 1639
ae751bab
LC		 1640 /*
1641 * with wl1271, we don't need to update the
1642 * beacon_int and dtim_period, because the firmware
1643 * updates it by itself when the first beacon is
1644 * received after a join.
1645 */
f5fc0f86
LC		 1646 ret = wl1271_cmd_build_ps_poll(wl, wl->aid);
1647 if (ret < 0)
1648 goto out_sleep;
1649
1650 ret = wl1271_acx_aid(wl, wl->aid);
1651 if (ret < 0)
1652 goto out_sleep;
1653
1654 /* If we want to go in PSM but we're not there yet */
71449f8d
JO		 1655 if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) &&
1656 !test_bit(WL1271_FLAG_PSM, &wl->flags)) {
f5fc0f86 1657 mode = STATION_POWER_SAVE_MODE;
d8c42c0c 1658 ret = wl1271_ps_set_mode(wl, mode, true);
f5fc0f86
LC		 1659 if (ret < 0)
1660 goto out_sleep;
1661 }
d94cd297
JO		 1662 } else {
1663 /* use defaults when not associated */
830fb67b 1664 clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
d94cd297 1665 wl->aid = 0;
f5fc0f86 1666 }
d94cd297 1667
f5fc0f86 1668 }
8a5a37a6 1669
f5fc0f86
LC		 1670 if (changed & BSS_CHANGED_ERP_SLOT) {
1671 if (bss_conf->use_short_slot)
1672 ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT);
1673 else
1674 ret = wl1271_acx_slot(wl, SLOT_TIME_LONG);
1675 if (ret < 0) {
1676 wl1271_warning("Set slot time failed %d", ret);
1677 goto out_sleep;
1678 }
1679 }
1680
1681 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1682 if (bss_conf->use_short_preamble)
1683 wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT);
1684 else
1685 wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG);
1686 }
1687
1688 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1689 if (bss_conf->use_cts_prot)
1690 ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE);
1691 else
1692 ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE);
1693 if (ret < 0) {
1694 wl1271_warning("Set ctsprotect failed %d", ret);
1695 goto out_sleep;
1696 }
1697 }
1698
8bf29b0e 1699 if (do_join) {
15305498 1700 ret = wl1271_cmd_join(wl, wl->bss_type);
8bf29b0e
JO		 1701 if (ret < 0) {
1702 wl1271_warning("cmd join failed %d", ret);
1703 goto out_sleep;
1704 }
1705 set_bit(WL1271_FLAG_JOINED, &wl->flags);
1706 }
1707
f5fc0f86
LC		 1708out_sleep:
1709 wl1271_ps_elp_sleep(wl);
1710
1711out:
1712 mutex_unlock(&wl->mutex);
1713}
1714
c6999d83
KV		 1715static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
1716 const struct ieee80211_tx_queue_params *params)
1717{
1718 struct wl1271 *wl = hw->priv;
4695dc91 1719 u8 ps_scheme;
c6999d83
KV		 1720 int ret;
1721
1722 mutex_lock(&wl->mutex);
1723
1724 wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue);
1725
c82c1dde
KV		 1726 ret = wl1271_ps_elp_wakeup(wl, false);
1727 if (ret < 0)
1728 goto out;
1729
b43316db 1730 /* the txop is confed in units of 32us by the mac80211, we need us */
c6999d83
KV		 1731 ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue),
1732 params->cw_min, params->cw_max,
b43316db 1733 params->aifs, params->txop << 5);
c6999d83 1734 if (ret < 0)
c82c1dde 1735 goto out_sleep;
c6999d83 1736
4695dc91
KV		 1737 if (params->uapsd)
1738 ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER;
1739 else
1740 ps_scheme = CONF_PS_SCHEME_LEGACY;
1741
c6999d83
KV		 1742 ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue),
1743 CONF_CHANNEL_TYPE_EDCF,
1744 wl1271_tx_get_queue(queue),
4695dc91 1745 ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0);
c6999d83 1746 if (ret < 0)
c82c1dde
KV		 1747 goto out_sleep;
1748
1749out_sleep:
1750 wl1271_ps_elp_sleep(wl);
c6999d83
KV		 1751
1752out:
1753 mutex_unlock(&wl->mutex);
1754
1755 return ret;
1756}
1757
f5fc0f86
LC		 1758
1759/* can't be const, mac80211 writes to this */
1760static struct ieee80211_rate wl1271_rates[] = {
1761 { .bitrate = 10,
2b60100b
JO		 1762 .hw_value = CONF_HW_BIT_RATE_1MBPS,
1763 .hw_value_short = CONF_HW_BIT_RATE_1MBPS, },
f5fc0f86 1764 { .bitrate = 20,
2b60100b
JO		 1765 .hw_value = CONF_HW_BIT_RATE_2MBPS,
1766 .hw_value_short = CONF_HW_BIT_RATE_2MBPS,
f5fc0f86
LC		 1767 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1768 { .bitrate = 55,
2b60100b
JO		 1769 .hw_value = CONF_HW_BIT_RATE_5_5MBPS,
1770 .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS,
f5fc0f86
LC		 1771 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1772 { .bitrate = 110,
2b60100b
JO		 1773 .hw_value = CONF_HW_BIT_RATE_11MBPS,
1774 .hw_value_short = CONF_HW_BIT_RATE_11MBPS,
f5fc0f86
LC		 1775 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
1776 { .bitrate = 60,
2b60100b
JO		 1777 .hw_value = CONF_HW_BIT_RATE_6MBPS,
1778 .hw_value_short = CONF_HW_BIT_RATE_6MBPS, },
f5fc0f86 1779 { .bitrate = 90,
2b60100b
JO		 1780 .hw_value = CONF_HW_BIT_RATE_9MBPS,
1781 .hw_value_short = CONF_HW_BIT_RATE_9MBPS, },
f5fc0f86 1782 { .bitrate = 120,
2b60100b
JO		 1783 .hw_value = CONF_HW_BIT_RATE_12MBPS,
1784 .hw_value_short = CONF_HW_BIT_RATE_12MBPS, },
f5fc0f86 1785 { .bitrate = 180,
2b60100b
JO		 1786 .hw_value = CONF_HW_BIT_RATE_18MBPS,
1787 .hw_value_short = CONF_HW_BIT_RATE_18MBPS, },
f5fc0f86 1788 { .bitrate = 240,
2b60100b
JO		 1789 .hw_value = CONF_HW_BIT_RATE_24MBPS,
1790 .hw_value_short = CONF_HW_BIT_RATE_24MBPS, },
f5fc0f86 1791 { .bitrate = 360,
2b60100b
JO		 1792 .hw_value = CONF_HW_BIT_RATE_36MBPS,
1793 .hw_value_short = CONF_HW_BIT_RATE_36MBPS, },
f5fc0f86 1794 { .bitrate = 480,
2b60100b
JO		 1795 .hw_value = CONF_HW_BIT_RATE_48MBPS,
1796 .hw_value_short = CONF_HW_BIT_RATE_48MBPS, },
f5fc0f86 1797 { .bitrate = 540,
2b60100b
JO		 1798 .hw_value = CONF_HW_BIT_RATE_54MBPS,
1799 .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
f5fc0f86
LC		 1800};
1801
1802/* can't be const, mac80211 writes to this */
1803static struct ieee80211_channel wl1271_channels[] = {
a2d0e3f1
LC		 1804 { .hw_value = 1, .center_freq = 2412, .max_power = 25 },
1805 { .hw_value = 2, .center_freq = 2417, .max_power = 25 },
1806 { .hw_value = 3, .center_freq = 2422, .max_power = 25 },
1807 { .hw_value = 4, .center_freq = 2427, .max_power = 25 },
1808 { .hw_value = 5, .center_freq = 2432, .max_power = 25 },
1809 { .hw_value = 6, .center_freq = 2437, .max_power = 25 },
1810 { .hw_value = 7, .center_freq = 2442, .max_power = 25 },
1811 { .hw_value = 8, .center_freq = 2447, .max_power = 25 },
1812 { .hw_value = 9, .center_freq = 2452, .max_power = 25 },
1813 { .hw_value = 10, .center_freq = 2457, .max_power = 25 },
1814 { .hw_value = 11, .center_freq = 2462, .max_power = 25 },
1815 { .hw_value = 12, .center_freq = 2467, .max_power = 25 },
1816 { .hw_value = 13, .center_freq = 2472, .max_power = 25 },
f5fc0f86
LC		 1817};
1818
1819/* can't be const, mac80211 writes to this */
1820static struct ieee80211_supported_band wl1271_band_2ghz = {
1821 .channels = wl1271_channels,
1822 .n_channels = ARRAY_SIZE(wl1271_channels),
1823 .bitrates = wl1271_rates,
1824 .n_bitrates = ARRAY_SIZE(wl1271_rates),
1825};
1826
1ebec3d7
TP		 1827/* 5 GHz data rates for WL1273 */
1828static struct ieee80211_rate wl1271_rates_5ghz[] = {
1829 { .bitrate = 60,
1830 .hw_value = CONF_HW_BIT_RATE_6MBPS,
1831 .hw_value_short = CONF_HW_BIT_RATE_6MBPS, },
1832 { .bitrate = 90,
1833 .hw_value = CONF_HW_BIT_RATE_9MBPS,
1834 .hw_value_short = CONF_HW_BIT_RATE_9MBPS, },
1835 { .bitrate = 120,
1836 .hw_value = CONF_HW_BIT_RATE_12MBPS,
1837 .hw_value_short = CONF_HW_BIT_RATE_12MBPS, },
1838 { .bitrate = 180,
1839 .hw_value = CONF_HW_BIT_RATE_18MBPS,
1840 .hw_value_short = CONF_HW_BIT_RATE_18MBPS, },
1841 { .bitrate = 240,
1842 .hw_value = CONF_HW_BIT_RATE_24MBPS,
1843 .hw_value_short = CONF_HW_BIT_RATE_24MBPS, },
1844 { .bitrate = 360,
1845 .hw_value = CONF_HW_BIT_RATE_36MBPS,
1846 .hw_value_short = CONF_HW_BIT_RATE_36MBPS, },
1847 { .bitrate = 480,
1848 .hw_value = CONF_HW_BIT_RATE_48MBPS,
1849 .hw_value_short = CONF_HW_BIT_RATE_48MBPS, },
1850 { .bitrate = 540,
1851 .hw_value = CONF_HW_BIT_RATE_54MBPS,
1852 .hw_value_short = CONF_HW_BIT_RATE_54MBPS, },
1853};
1854
1855/* 5 GHz band channels for WL1273 */
1856static struct ieee80211_channel wl1271_channels_5ghz[] = {
1857 { .hw_value = 183, .center_freq = 4915},
1858 { .hw_value = 184, .center_freq = 4920},
1859 { .hw_value = 185, .center_freq = 4925},
1860 { .hw_value = 187, .center_freq = 4935},
1861 { .hw_value = 188, .center_freq = 4940},
1862 { .hw_value = 189, .center_freq = 4945},
1863 { .hw_value = 192, .center_freq = 4960},
1864 { .hw_value = 196, .center_freq = 4980},
1865 { .hw_value = 7, .center_freq = 5035},
1866 { .hw_value = 8, .center_freq = 5040},
1867 { .hw_value = 9, .center_freq = 5045},
1868 { .hw_value = 11, .center_freq = 5055},
1869 { .hw_value = 12, .center_freq = 5060},
1870 { .hw_value = 16, .center_freq = 5080},
1871 { .hw_value = 34, .center_freq = 5170},
1872 { .hw_value = 36, .center_freq = 5180},
1873 { .hw_value = 38, .center_freq = 5190},
1874 { .hw_value = 40, .center_freq = 5200},
1875 { .hw_value = 42, .center_freq = 5210},
1876 { .hw_value = 44, .center_freq = 5220},
1877 { .hw_value = 46, .center_freq = 5230},
1878 { .hw_value = 48, .center_freq = 5240},
1879 { .hw_value = 52, .center_freq = 5260},
1880 { .hw_value = 56, .center_freq = 5280},
1881 { .hw_value = 60, .center_freq = 5300},
1882 { .hw_value = 64, .center_freq = 5320},
1883 { .hw_value = 100, .center_freq = 5500},
1884 { .hw_value = 104, .center_freq = 5520},
1885 { .hw_value = 108, .center_freq = 5540},
1886 { .hw_value = 112, .center_freq = 5560},
1887 { .hw_value = 116, .center_freq = 5580},
1888 { .hw_value = 120, .center_freq = 5600},
1889 { .hw_value = 124, .center_freq = 5620},
1890 { .hw_value = 128, .center_freq = 5640},
1891 { .hw_value = 132, .center_freq = 5660},
1892 { .hw_value = 136, .center_freq = 5680},
1893 { .hw_value = 140, .center_freq = 5700},
1894 { .hw_value = 149, .center_freq = 5745},
1895 { .hw_value = 153, .center_freq = 5765},
1896 { .hw_value = 157, .center_freq = 5785},
1897 { .hw_value = 161, .center_freq = 5805},
1898 { .hw_value = 165, .center_freq = 5825},
1899};
1900
1901
1902static struct ieee80211_supported_band wl1271_band_5ghz = {
1903 .channels = wl1271_channels_5ghz,
1904 .n_channels = ARRAY_SIZE(wl1271_channels_5ghz),
1905 .bitrates = wl1271_rates_5ghz,
1906 .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz),
1907};
1908
f5fc0f86
LC		 1909static const struct ieee80211_ops wl1271_ops = {
1910 .start = wl1271_op_start,
1911 .stop = wl1271_op_stop,
1912 .add_interface = wl1271_op_add_interface,
1913 .remove_interface = wl1271_op_remove_interface,
1914 .config = wl1271_op_config,
c87dec9f 1915 .prepare_multicast = wl1271_op_prepare_multicast,
f5fc0f86
LC		 1916 .configure_filter = wl1271_op_configure_filter,
1917 .tx = wl1271_op_tx,
1918 .set_key = wl1271_op_set_key,
1919 .hw_scan = wl1271_op_hw_scan,
1920 .bss_info_changed = wl1271_op_bss_info_changed,
1921 .set_rts_threshold = wl1271_op_set_rts_threshold,
c6999d83 1922 .conf_tx = wl1271_op_conf_tx,
c8c90873 1923 CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
f5fc0f86
LC		 1924};
1925
7fc3a864
JO		 1926static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev,
1927 struct device_attribute *attr,
1928 char *buf)
1929{
1930 struct wl1271 *wl = dev_get_drvdata(dev);
1931 ssize_t len;
1932
1933 /* FIXME: what's the maximum length of buf? page size?*/
1934 len = 500;
1935
1936 mutex_lock(&wl->mutex);
1937 len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n",
1938 wl->sg_enabled);
1939 mutex_unlock(&wl->mutex);
1940
1941 return len;
1942
1943}
1944
1945static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev,
1946 struct device_attribute *attr,
1947 const char *buf, size_t count)
1948{
1949 struct wl1271 *wl = dev_get_drvdata(dev);
1950 unsigned long res;
1951 int ret;
1952
1953 ret = strict_strtoul(buf, 10, &res);
1954
1955 if (ret < 0) {
1956 wl1271_warning("incorrect value written to bt_coex_mode");
1957 return count;
1958 }
1959
1960 mutex_lock(&wl->mutex);
1961
1962 res = !!res;
1963
1964 if (res == wl->sg_enabled)
1965 goto out;
1966
1967 wl->sg_enabled = res;
1968
1969 if (wl->state == WL1271_STATE_OFF)
1970 goto out;
1971
1972 ret = wl1271_ps_elp_wakeup(wl, false);
1973 if (ret < 0)
1974 goto out;
1975
1976 wl1271_acx_sg_enable(wl, wl->sg_enabled);
1977 wl1271_ps_elp_sleep(wl);
1978
1979 out:
1980 mutex_unlock(&wl->mutex);
1981 return count;
1982}
1983
1984static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR,
1985 wl1271_sysfs_show_bt_coex_state,
1986 wl1271_sysfs_store_bt_coex_state);
1987
2d5e82b8 1988int wl1271_register_hw(struct wl1271 *wl)
f5fc0f86
LC		 1989{
1990 int ret;
1991
1992 if (wl->mac80211_registered)
1993 return 0;
1994
1995 SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
1996
1997 ret = ieee80211_register_hw(wl->hw);
1998 if (ret < 0) {
1999 wl1271_error("unable to register mac80211 hw: %d", ret);
2000 return ret;
2001 }
2002
2003 wl->mac80211_registered = true;
2004
2005 wl1271_notice("loaded");
2006
2007 return 0;
2008}
50b3eb4b 2009EXPORT_SYMBOL_GPL(wl1271_register_hw);
f5fc0f86 2010
3b56dd6a
TP		 2011void wl1271_unregister_hw(struct wl1271 *wl)
2012{
2013 ieee80211_unregister_hw(wl->hw);
2014 wl->mac80211_registered = false;
2015
2016}
2017EXPORT_SYMBOL_GPL(wl1271_unregister_hw);
2018
2d5e82b8 2019int wl1271_init_ieee80211(struct wl1271 *wl)
f5fc0f86 2020{
1e2b7976
JO		 2021 /* The tx descriptor buffer and the TKIP space. */
2022 wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE +
2023 sizeof(struct wl1271_tx_hw_descr);
f5fc0f86
LC		 2024
2025 /* unit us */
2026 /* FIXME: find a proper value */
2027 wl->hw->channel_change_time = 10000;
2028
2029 wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
1922167b 2030 IEEE80211_HW_NOISE_DBM |
03442a33 2031 IEEE80211_HW_BEACON_FILTER |
0a34332f 2032 IEEE80211_HW_SUPPORTS_PS |
4695dc91 2033 IEEE80211_HW_SUPPORTS_UAPSD |
0a34332f 2034 IEEE80211_HW_HAS_RATE_CONTROL;
f5fc0f86 2035
e0d8bbf0
JO		 2036 wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2037 BIT(NL80211_IFTYPE_ADHOC);
f5fc0f86
LC		 2038 wl->hw->wiphy->max_scan_ssids = 1;
2039 wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz;
2040
1ebec3d7
TP		 2041 if (wl1271_11a_enabled())
2042 wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
2043
12bd8949
KV		 2044 wl->hw->queues = 4;
2045
8197b711 2046 SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl));
f5fc0f86
LC		 2047
2048 return 0;
2049}
50b3eb4b 2050EXPORT_SYMBOL_GPL(wl1271_init_ieee80211);
f5fc0f86 2051
f5fc0f86 2052#define WL1271_DEFAULT_CHANNEL 0
c332a4b8 2053
2d5e82b8 2054struct ieee80211_hw *wl1271_alloc_hw(void)
f5fc0f86 2055{
f5fc0f86 2056 struct ieee80211_hw *hw;
3b56dd6a 2057 struct platform_device *plat_dev = NULL;
f5fc0f86 2058 struct wl1271 *wl;
a1dd8187 2059 int i, ret;
1b72aecd 2060 static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf};
f5fc0f86
LC		 2061
2062 hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
2063 if (!hw) {
2064 wl1271_error("could not alloc ieee80211_hw");
a1dd8187 2065 ret = -ENOMEM;
3b56dd6a
TP		 2066 goto err_hw_alloc;
2067 }
2068
2069 plat_dev = kmalloc(sizeof(wl1271_device), GFP_KERNEL);
2070 if (!plat_dev) {
2071 wl1271_error("could not allocate platform_device");
2072 ret = -ENOMEM;
2073 goto err_plat_alloc;
f5fc0f86
LC		 2074 }
2075
3b56dd6a
TP		 2076 memcpy(plat_dev, &wl1271_device, sizeof(wl1271_device));
2077
f5fc0f86
LC		 2078 wl = hw->priv;
2079 memset(wl, 0, sizeof(*wl));
2080
01c09162
JO		 2081 INIT_LIST_HEAD(&wl->list);
2082
f5fc0f86 2083 wl->hw = hw;
3b56dd6a 2084 wl->plat_dev = plat_dev;
f5fc0f86
LC		 2085
2086 skb_queue_head_init(&wl->tx_queue);
2087
37b70a81 2088 INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
f5fc0f86 2089 wl->channel = WL1271_DEFAULT_CHANNEL;
f5fc0f86 2090 wl->default_key = 0;
f5fc0f86
LC		 2091 wl->rx_counter = 0;
2092 wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
2093 wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
19ad0715 2094 wl->psm_entry_retry = 0;
f5fc0f86 2095 wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
a6fe2313 2096 wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC;
830fb67b
JO		 2097 wl->rate_set = CONF_TX_RATE_MASK_BASIC;
2098 wl->sta_rate_set = 0;
8a5a37a6 2099 wl->band = IEEE80211_BAND_2GHZ;
b771eee5 2100 wl->vif = NULL;
830fb67b 2101 wl->flags = 0;
7fc3a864 2102 wl->sg_enabled = true;
f5fc0f86 2103
be7078c2 2104 for (i = 0; i < ACX_TX_DESCRIPTORS; i++)
f5fc0f86
LC		 2105 wl->tx_frames[i] = NULL;
2106
2107 spin_lock_init(&wl->wl_lock);
2108
f5fc0f86
LC		 2109 wl->state = WL1271_STATE_OFF;
2110 mutex_init(&wl->mutex);
2111
1b72aecd
JO		 2112 /*
2113 * FIXME: we should use a zero MAC address here, but for now we
2114 * generate a random Nokia address.
2115 */
2116 memcpy(wl->mac_addr, nokia_oui, 3);
2117 get_random_bytes(wl->mac_addr + 3, 3);
2118
c332a4b8
TP		 2119 /* Apply default driver configuration. */
2120 wl1271_conf_init(wl);
2121
2d5e82b8
TP		 2122 wl1271_debugfs_init(wl);
2123
a1dd8187 2124 /* Register platform device */
3b56dd6a 2125 ret = platform_device_register(wl->plat_dev);
a1dd8187
JO		 2126 if (ret) {
2127 wl1271_error("couldn't register platform device");
2128 goto err_hw;
2129 }
3b56dd6a 2130 dev_set_drvdata(&wl->plat_dev->dev, wl);
a1dd8187 2131
7fc3a864 2132 /* Create sysfs file to control bt coex state */
3b56dd6a 2133 ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state);
7fc3a864
JO		 2134 if (ret < 0) {
2135 wl1271_error("failed to create sysfs file bt_coex_state");
2136 goto err_platform;
2137 }
a1dd8187 2138
c332a4b8 2139 return hw;
a1dd8187 2140
7fc3a864 2141err_platform:
3b56dd6a 2142 platform_device_unregister(wl->plat_dev);
7fc3a864 2143
a1dd8187 2144err_hw:
3b56dd6a
TP		 2145 wl1271_debugfs_exit(wl);
2146 kfree(plat_dev);
2147
2148err_plat_alloc:
2149 ieee80211_free_hw(hw);
2150
2151err_hw_alloc:
a1dd8187 2152
a1dd8187 2153 return ERR_PTR(ret);
c332a4b8 2154}
50b3eb4b 2155EXPORT_SYMBOL_GPL(wl1271_alloc_hw);
c332a4b8
TP		 2156
2157int wl1271_free_hw(struct wl1271 *wl)
2158{
3b56dd6a
TP		 2159 platform_device_unregister(wl->plat_dev);
2160 kfree(wl->plat_dev);
c332a4b8
TP		 2161
2162 wl1271_debugfs_exit(wl);
2163
2164 kfree(wl->target_mem_map);
2165 vfree(wl->fw);
2166 wl->fw = NULL;
2167 kfree(wl->nvs);
2168 wl->nvs = NULL;
2169
2170 kfree(wl->fw_status);
2171 kfree(wl->tx_res_if);
2172
2173 ieee80211_free_hw(wl->hw);
2174
2175 return 0;
2176}
50b3eb4b
TP		 2177EXPORT_SYMBOL_GPL(wl1271_free_hw);
2178
2179MODULE_LICENSE("GPL");
2180MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
2181MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");
kernel source for telekom puls (alcatel/mediatek)