Commit | Line | Data |
---|---|---|
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> |
f5fc0f86 LC |
32 | |
33 | #include "wl1271.h" | |
34 | #include "wl12xx_80211.h" | |
35 | #include "wl1271_reg.h" | |
36 | #include "wl1271_spi.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 |
50 | static struct conf_drv_settings default_conf = { |
51 | .sg = { | |
52 | .per_threshold = 7500, | |
53 | .max_scan_compensation_time = 120000, | |
54 | .nfs_sample_interval = 400, | |
55 | .load_ratio = 50, | |
56 | .auto_ps_mode = 0, | |
57 | .probe_req_compensation = 170, | |
58 | .scan_window_compensation = 50, | |
59 | .antenna_config = 0, | |
60 | .beacon_miss_threshold = 60, | |
61 | .rate_adaptation_threshold = CONF_HW_BIT_RATE_12MBPS, | |
62 | .rate_adaptation_snr = 0 | |
63 | }, | |
64 | .rx = { | |
65 | .rx_msdu_life_time = 512000, | |
66 | .packet_detection_threshold = 0, | |
67 | .ps_poll_timeout = 15, | |
68 | .upsd_timeout = 15, | |
69 | .rts_threshold = 2347, | |
3ed8f2c6 LC |
70 | .rx_cca_threshold = 0, |
71 | .irq_blk_threshold = 0xFFFF, | |
72 | .irq_pkt_threshold = 0, | |
73 | .irq_timeout = 600, | |
8a08048a JO |
74 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
75 | }, | |
76 | .tx = { | |
77 | .tx_energy_detection = 0, | |
78 | .rc_conf = { | |
ec078d94 JO |
79 | .enabled_rates = CONF_HW_BIT_RATE_1MBPS | |
80 | CONF_HW_BIT_RATE_2MBPS, | |
8a08048a JO |
81 | .short_retry_limit = 10, |
82 | .long_retry_limit = 10, | |
83 | .aflags = 0 | |
45b531a8 | 84 | }, |
8a08048a JO |
85 | .ac_conf_count = 4, |
86 | .ac_conf = { | |
87 | [0] = { | |
88 | .ac = CONF_TX_AC_BE, | |
89 | .cw_min = 15, | |
90 | .cw_max = 63, | |
91 | .aifsn = 3, | |
92 | .tx_op_limit = 0, | |
45b531a8 | 93 | }, |
8a08048a JO |
94 | [1] = { |
95 | .ac = CONF_TX_AC_BK, | |
96 | .cw_min = 15, | |
97 | .cw_max = 63, | |
98 | .aifsn = 7, | |
99 | .tx_op_limit = 0, | |
45b531a8 | 100 | }, |
8a08048a JO |
101 | [2] = { |
102 | .ac = CONF_TX_AC_VI, | |
103 | .cw_min = 15, | |
104 | .cw_max = 63, | |
105 | .aifsn = CONF_TX_AIFS_PIFS, | |
106 | .tx_op_limit = 3008, | |
107 | }, | |
108 | [3] = { | |
109 | .ac = CONF_TX_AC_VO, | |
110 | .cw_min = 15, | |
111 | .cw_max = 63, | |
112 | .aifsn = CONF_TX_AIFS_PIFS, | |
113 | .tx_op_limit = 1504, | |
45b531a8 | 114 | }, |
51f2be24 | 115 | }, |
8a08048a JO |
116 | .tid_conf_count = 7, |
117 | .tid_conf = { | |
118 | [0] = { | |
119 | .queue_id = 0, | |
120 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
121 | .tsid = CONF_TX_AC_BE, | |
122 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
123 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
124 | .apsd_conf = {0, 0}, | |
125 | }, | |
126 | [1] = { | |
127 | .queue_id = 1, | |
128 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
129 | .tsid = CONF_TX_AC_BE, | |
130 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
131 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
132 | .apsd_conf = {0, 0}, | |
51f2be24 | 133 | }, |
8a08048a JO |
134 | [2] = { |
135 | .queue_id = 2, | |
136 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
137 | .tsid = CONF_TX_AC_BE, | |
138 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
139 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
140 | .apsd_conf = {0, 0}, | |
51f2be24 | 141 | }, |
8a08048a JO |
142 | [3] = { |
143 | .queue_id = 3, | |
144 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
145 | .tsid = CONF_TX_AC_BE, | |
146 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
147 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
148 | .apsd_conf = {0, 0}, | |
149 | }, | |
150 | [4] = { | |
151 | .queue_id = 4, | |
152 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
153 | .tsid = CONF_TX_AC_BE, | |
154 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
155 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
156 | .apsd_conf = {0, 0}, | |
157 | }, | |
158 | [5] = { | |
159 | .queue_id = 5, | |
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 | [6] = { | |
167 | .queue_id = 6, | |
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}, | |
173 | } | |
174 | }, | |
175 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, | |
3ed8f2c6 LC |
176 | .tx_compl_timeout = 700, |
177 | .tx_compl_threshold = 4 | |
8a08048a JO |
178 | }, |
179 | .conn = { | |
180 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, | |
181 | .listen_interval = 0, | |
182 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, | |
183 | .bcn_filt_ie_count = 1, | |
184 | .bcn_filt_ie = { | |
185 | [0] = { | |
186 | .ie = WLAN_EID_CHANNEL_SWITCH, | |
187 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, | |
51f2be24 | 188 | } |
47fab7d5 | 189 | }, |
3ed8f2c6 | 190 | .synch_fail_thold = 10, |
8a08048a JO |
191 | .bss_lose_timeout = 100, |
192 | .beacon_rx_timeout = 10000, | |
193 | .broadcast_timeout = 20000, | |
194 | .rx_broadcast_in_ps = 1, | |
3ed8f2c6 | 195 | .ps_poll_threshold = 20, |
8a08048a JO |
196 | .sig_trigger_count = 2, |
197 | .sig_trigger = { | |
198 | [0] = { | |
199 | .threshold = -75, | |
200 | .pacing = 500, | |
201 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
202 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
203 | .direction = CONF_TRIG_EVENT_DIR_LOW, | |
204 | .hysteresis = 2, | |
205 | .index = 0, | |
206 | .enable = 1 | |
47fab7d5 | 207 | }, |
8a08048a JO |
208 | [1] = { |
209 | .threshold = -75, | |
210 | .pacing = 500, | |
211 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
212 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
213 | .direction = CONF_TRIG_EVENT_DIR_HIGH, | |
214 | .hysteresis = 2, | |
215 | .index = 1, | |
216 | .enable = 1 | |
217 | } | |
218 | }, | |
219 | .sig_weights = { | |
220 | .rssi_bcn_avg_weight = 10, | |
221 | .rssi_pkt_avg_weight = 10, | |
222 | .snr_bcn_avg_weight = 10, | |
223 | .snr_pkt_avg_weight = 10 | |
11f70f97 JO |
224 | }, |
225 | .bet_enable = CONF_BET_MODE_ENABLE, | |
84502563 | 226 | .bet_max_consecutive = 10, |
19ad0715 | 227 | .psm_entry_retries = 3 |
8a08048a JO |
228 | }, |
229 | .init = { | |
8a08048a | 230 | .radioparam = { |
152ee6e0 | 231 | .fem = 1, |
2b60100b | 232 | } |
6e92b416 LC |
233 | }, |
234 | .itrim = { | |
235 | .enable = false, | |
236 | .timeout = 50000, | |
38ad2d87 JO |
237 | }, |
238 | .pm_config = { | |
239 | .host_clk_settling_time = 5000, | |
240 | .host_fast_wakeup_support = false | |
8a08048a JO |
241 | } |
242 | }; | |
243 | ||
01c09162 JO |
244 | static LIST_HEAD(wl_list); |
245 | ||
8a08048a JO |
246 | static void wl1271_conf_init(struct wl1271 *wl) |
247 | { | |
2b60100b JO |
248 | |
249 | /* | |
250 | * This function applies the default configuration to the driver. This | |
251 | * function is invoked upon driver load (spi probe.) | |
252 | * | |
253 | * The configuration is stored in a run-time structure in order to | |
254 | * facilitate for run-time adjustment of any of the parameters. Making | |
255 | * changes to the configuration structure will apply the new values on | |
256 | * the next interface up (wl1271_op_start.) | |
257 | */ | |
258 | ||
259 | /* apply driver default configuration */ | |
8a08048a | 260 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
2b60100b JO |
261 | } |
262 | ||
263 | ||
f5fc0f86 LC |
264 | static int wl1271_plt_init(struct wl1271 *wl) |
265 | { | |
12419cce LC |
266 | struct conf_tx_ac_category *conf_ac; |
267 | struct conf_tx_tid *conf_tid; | |
268 | int ret, i; | |
f5fc0f86 | 269 | |
98b5dd5d | 270 | ret = wl1271_cmd_general_parms(wl); |
4a90406b | 271 | if (ret < 0) |
cc7defa3 LC |
272 | return ret; |
273 | ||
98b5dd5d | 274 | ret = wl1271_cmd_radio_parms(wl); |
4a90406b | 275 | if (ret < 0) |
cc7defa3 LC |
276 | return ret; |
277 | ||
12419cce LC |
278 | ret = wl1271_init_templates_config(wl); |
279 | if (ret < 0) | |
280 | return ret; | |
281 | ||
f5fc0f86 LC |
282 | ret = wl1271_acx_init_mem_config(wl); |
283 | if (ret < 0) | |
284 | return ret; | |
285 | ||
12419cce LC |
286 | /* PHY layer config */ |
287 | ret = wl1271_init_phy_config(wl); | |
288 | if (ret < 0) | |
289 | goto out_free_memmap; | |
290 | ||
291 | ret = wl1271_acx_dco_itrim_params(wl); | |
292 | if (ret < 0) | |
293 | goto out_free_memmap; | |
294 | ||
295 | /* Initialize connection monitoring thresholds */ | |
296 | ret = wl1271_acx_conn_monit_params(wl); | |
297 | if (ret < 0) | |
298 | goto out_free_memmap; | |
299 | ||
300 | /* Bluetooth WLAN coexistence */ | |
301 | ret = wl1271_init_pta(wl); | |
302 | if (ret < 0) | |
303 | goto out_free_memmap; | |
304 | ||
305 | /* Energy detection */ | |
306 | ret = wl1271_init_energy_detection(wl); | |
307 | if (ret < 0) | |
308 | goto out_free_memmap; | |
309 | ||
310 | /* Default fragmentation threshold */ | |
311 | ret = wl1271_acx_frag_threshold(wl); | |
312 | if (ret < 0) | |
313 | goto out_free_memmap; | |
314 | ||
315 | /* Default TID configuration */ | |
316 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { | |
317 | conf_tid = &wl->conf.tx.tid_conf[i]; | |
318 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, | |
319 | conf_tid->channel_type, | |
320 | conf_tid->tsid, | |
321 | conf_tid->ps_scheme, | |
322 | conf_tid->ack_policy, | |
323 | conf_tid->apsd_conf[0], | |
324 | conf_tid->apsd_conf[1]); | |
325 | if (ret < 0) | |
326 | goto out_free_memmap; | |
327 | } | |
328 | ||
329 | /* Default AC configuration */ | |
330 | for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { | |
331 | conf_ac = &wl->conf.tx.ac_conf[i]; | |
332 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, | |
333 | conf_ac->cw_max, conf_ac->aifsn, | |
334 | conf_ac->tx_op_limit); | |
335 | if (ret < 0) | |
336 | goto out_free_memmap; | |
337 | } | |
338 | ||
339 | /* Enable data path */ | |
94210897 | 340 | ret = wl1271_cmd_data_path(wl, 1); |
f5fc0f86 | 341 | if (ret < 0) |
12419cce LC |
342 | goto out_free_memmap; |
343 | ||
344 | /* Configure for CAM power saving (ie. always active) */ | |
345 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); | |
346 | if (ret < 0) | |
347 | goto out_free_memmap; | |
348 | ||
349 | /* configure PM */ | |
350 | ret = wl1271_acx_pm_config(wl); | |
351 | if (ret < 0) | |
352 | goto out_free_memmap; | |
f5fc0f86 LC |
353 | |
354 | return 0; | |
12419cce LC |
355 | |
356 | out_free_memmap: | |
357 | kfree(wl->target_mem_map); | |
358 | wl->target_mem_map = NULL; | |
359 | ||
360 | return ret; | |
f5fc0f86 LC |
361 | } |
362 | ||
363 | static void wl1271_disable_interrupts(struct wl1271 *wl) | |
364 | { | |
365 | disable_irq(wl->irq); | |
366 | } | |
367 | ||
368 | static void wl1271_power_off(struct wl1271 *wl) | |
369 | { | |
370 | wl->set_power(false); | |
71449f8d | 371 | clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); |
f5fc0f86 LC |
372 | } |
373 | ||
374 | static void wl1271_power_on(struct wl1271 *wl) | |
375 | { | |
376 | wl->set_power(true); | |
71449f8d | 377 | set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); |
f5fc0f86 LC |
378 | } |
379 | ||
c15f63bf JO |
380 | static void wl1271_fw_status(struct wl1271 *wl, |
381 | struct wl1271_fw_status *status) | |
f5fc0f86 LC |
382 | { |
383 | u32 total = 0; | |
384 | int i; | |
385 | ||
7b048c52 | 386 | wl1271_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); |
f5fc0f86 LC |
387 | |
388 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " | |
389 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
390 | status->intr, | |
391 | status->fw_rx_counter, | |
392 | status->drv_rx_counter, | |
393 | status->tx_results_counter); | |
394 | ||
395 | /* update number of available TX blocks */ | |
396 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
d0f63b20 LC |
397 | u32 cnt = le32_to_cpu(status->tx_released_blks[i]) - |
398 | wl->tx_blocks_freed[i]; | |
399 | ||
400 | wl->tx_blocks_freed[i] = | |
401 | le32_to_cpu(status->tx_released_blks[i]); | |
f5fc0f86 LC |
402 | wl->tx_blocks_available += cnt; |
403 | total += cnt; | |
404 | } | |
405 | ||
406 | /* if more blocks are available now, schedule some tx work */ | |
407 | if (total && !skb_queue_empty(&wl->tx_queue)) | |
a64b07e8 | 408 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
409 | |
410 | /* update the host-chipset time offset */ | |
d0f63b20 LC |
411 | wl->time_offset = jiffies_to_usecs(jiffies) - |
412 | le32_to_cpu(status->fw_localtime); | |
f5fc0f86 LC |
413 | } |
414 | ||
f5fc0f86 LC |
415 | static void wl1271_irq_work(struct work_struct *work) |
416 | { | |
f5fc0f86 | 417 | int ret; |
c15f63bf | 418 | u32 intr; |
f5fc0f86 LC |
419 | struct wl1271 *wl = |
420 | container_of(work, struct wl1271, irq_work); | |
421 | ||
422 | mutex_lock(&wl->mutex); | |
423 | ||
424 | wl1271_debug(DEBUG_IRQ, "IRQ work"); | |
425 | ||
426 | if (wl->state == WL1271_STATE_OFF) | |
427 | goto out; | |
428 | ||
429 | ret = wl1271_ps_elp_wakeup(wl, true); | |
430 | if (ret < 0) | |
431 | goto out; | |
432 | ||
7b048c52 | 433 | wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); |
f5fc0f86 | 434 | |
c15f63bf | 435 | wl1271_fw_status(wl, wl->fw_status); |
d0f63b20 | 436 | intr = le32_to_cpu(wl->fw_status->intr); |
f5fc0f86 LC |
437 | if (!intr) { |
438 | wl1271_debug(DEBUG_IRQ, "Zero interrupt received."); | |
439 | goto out_sleep; | |
440 | } | |
441 | ||
442 | intr &= WL1271_INTR_MASK; | |
443 | ||
1fd2794f | 444 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
1fd2794f | 445 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); |
13f2dc52 | 446 | wl1271_event_handle(wl, 0); |
1fd2794f JO |
447 | } |
448 | ||
449 | if (intr & WL1271_ACX_INTR_EVENT_B) { | |
450 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
13f2dc52 | 451 | wl1271_event_handle(wl, 1); |
c15f63bf | 452 | } |
f5fc0f86 | 453 | |
c15f63bf JO |
454 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
455 | wl1271_debug(DEBUG_IRQ, | |
456 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 457 | |
c15f63bf JO |
458 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
459 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
f5fc0f86 | 460 | |
c15f63bf JO |
461 | if (intr & WL1271_ACX_INTR_DATA) { |
462 | u8 tx_res_cnt = wl->fw_status->tx_results_counter - | |
463 | wl->tx_results_count; | |
f5fc0f86 | 464 | |
c15f63bf | 465 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
f5fc0f86 | 466 | |
c15f63bf JO |
467 | /* check for tx results */ |
468 | if (tx_res_cnt) | |
469 | wl1271_tx_complete(wl, tx_res_cnt); | |
f5fc0f86 | 470 | |
c15f63bf JO |
471 | wl1271_rx(wl, wl->fw_status); |
472 | } | |
f5fc0f86 LC |
473 | |
474 | out_sleep: | |
7b048c52 TP |
475 | wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, |
476 | WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); | |
f5fc0f86 LC |
477 | wl1271_ps_elp_sleep(wl); |
478 | ||
479 | out: | |
480 | mutex_unlock(&wl->mutex); | |
481 | } | |
482 | ||
f5fc0f86 LC |
483 | static int wl1271_fetch_firmware(struct wl1271 *wl) |
484 | { | |
485 | const struct firmware *fw; | |
486 | int ret; | |
487 | ||
488 | ret = request_firmware(&fw, WL1271_FW_NAME, &wl->spi->dev); | |
489 | ||
490 | if (ret < 0) { | |
491 | wl1271_error("could not get firmware: %d", ret); | |
492 | return ret; | |
493 | } | |
494 | ||
495 | if (fw->size % 4) { | |
496 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
497 | fw->size); | |
498 | ret = -EILSEQ; | |
499 | goto out; | |
500 | } | |
501 | ||
502 | wl->fw_len = fw->size; | |
1fba4974 | 503 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
504 | |
505 | if (!wl->fw) { | |
506 | wl1271_error("could not allocate memory for the firmware"); | |
507 | ret = -ENOMEM; | |
508 | goto out; | |
509 | } | |
510 | ||
511 | memcpy(wl->fw, fw->data, wl->fw_len); | |
512 | ||
513 | ret = 0; | |
514 | ||
515 | out: | |
516 | release_firmware(fw); | |
517 | ||
518 | return ret; | |
519 | } | |
520 | ||
7b21b6f8 JO |
521 | static int wl1271_update_mac_addr(struct wl1271 *wl) |
522 | { | |
523 | int ret = 0; | |
524 | u8 *nvs_ptr = (u8 *)wl->nvs->nvs; | |
525 | ||
526 | /* get mac address from the NVS */ | |
527 | wl->mac_addr[0] = nvs_ptr[11]; | |
528 | wl->mac_addr[1] = nvs_ptr[10]; | |
529 | wl->mac_addr[2] = nvs_ptr[6]; | |
530 | wl->mac_addr[3] = nvs_ptr[5]; | |
531 | wl->mac_addr[4] = nvs_ptr[4]; | |
532 | wl->mac_addr[5] = nvs_ptr[3]; | |
533 | ||
534 | /* FIXME: if it is a zero-address, we should bail out. Now, instead, | |
535 | we randomize an address */ | |
536 | if (is_zero_ether_addr(wl->mac_addr)) { | |
537 | static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; | |
538 | memcpy(wl->mac_addr, nokia_oui, 3); | |
539 | get_random_bytes(wl->mac_addr + 3, 3); | |
e2e77b5f JO |
540 | |
541 | /* update this address to the NVS */ | |
542 | nvs_ptr[11] = wl->mac_addr[0]; | |
543 | nvs_ptr[10] = wl->mac_addr[1]; | |
544 | nvs_ptr[6] = wl->mac_addr[2]; | |
545 | nvs_ptr[5] = wl->mac_addr[3]; | |
546 | nvs_ptr[4] = wl->mac_addr[4]; | |
547 | nvs_ptr[3] = wl->mac_addr[5]; | |
7b21b6f8 JO |
548 | } |
549 | ||
550 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); | |
551 | ||
552 | return ret; | |
553 | } | |
554 | ||
f5fc0f86 LC |
555 | static int wl1271_fetch_nvs(struct wl1271 *wl) |
556 | { | |
557 | const struct firmware *fw; | |
558 | int ret; | |
559 | ||
560 | ret = request_firmware(&fw, WL1271_NVS_NAME, &wl->spi->dev); | |
561 | ||
562 | if (ret < 0) { | |
563 | wl1271_error("could not get nvs file: %d", ret); | |
564 | return ret; | |
565 | } | |
566 | ||
152ee6e0 JO |
567 | if (fw->size != sizeof(struct wl1271_nvs_file)) { |
568 | wl1271_error("nvs size is not as expected: %zu != %zu", | |
569 | fw->size, sizeof(struct wl1271_nvs_file)); | |
f5fc0f86 LC |
570 | ret = -EILSEQ; |
571 | goto out; | |
572 | } | |
573 | ||
152ee6e0 | 574 | wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL); |
f5fc0f86 LC |
575 | |
576 | if (!wl->nvs) { | |
577 | wl1271_error("could not allocate memory for the nvs file"); | |
578 | ret = -ENOMEM; | |
579 | goto out; | |
580 | } | |
581 | ||
152ee6e0 | 582 | memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file)); |
f5fc0f86 | 583 | |
7b21b6f8 | 584 | ret = wl1271_update_mac_addr(wl); |
f5fc0f86 LC |
585 | |
586 | out: | |
587 | release_firmware(fw); | |
588 | ||
589 | return ret; | |
590 | } | |
591 | ||
592 | static void wl1271_fw_wakeup(struct wl1271 *wl) | |
593 | { | |
594 | u32 elp_reg; | |
595 | ||
596 | elp_reg = ELPCTRL_WAKE_UP; | |
74621417 | 597 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
f5fc0f86 LC |
598 | } |
599 | ||
600 | static int wl1271_setup(struct wl1271 *wl) | |
601 | { | |
602 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); | |
603 | if (!wl->fw_status) | |
604 | return -ENOMEM; | |
605 | ||
606 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); | |
607 | if (!wl->tx_res_if) { | |
608 | kfree(wl->fw_status); | |
609 | return -ENOMEM; | |
610 | } | |
611 | ||
612 | INIT_WORK(&wl->irq_work, wl1271_irq_work); | |
613 | INIT_WORK(&wl->tx_work, wl1271_tx_work); | |
614 | return 0; | |
615 | } | |
616 | ||
617 | static int wl1271_chip_wakeup(struct wl1271 *wl) | |
618 | { | |
451de97a | 619 | struct wl1271_partition_set partition; |
f5fc0f86 LC |
620 | int ret = 0; |
621 | ||
01ac17ec | 622 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
f5fc0f86 LC |
623 | wl1271_power_on(wl); |
624 | msleep(WL1271_POWER_ON_SLEEP); | |
9b280722 TP |
625 | wl1271_io_reset(wl); |
626 | wl1271_io_init(wl); | |
f5fc0f86 LC |
627 | |
628 | /* We don't need a real memory partition here, because we only want | |
629 | * to use the registers at this point. */ | |
451de97a JO |
630 | memset(&partition, 0, sizeof(partition)); |
631 | partition.reg.start = REGISTERS_BASE; | |
632 | partition.reg.size = REGISTERS_DOWN_SIZE; | |
633 | wl1271_set_partition(wl, &partition); | |
f5fc0f86 LC |
634 | |
635 | /* ELP module wake up */ | |
636 | wl1271_fw_wakeup(wl); | |
637 | ||
638 | /* whal_FwCtrl_BootSm() */ | |
639 | ||
640 | /* 0. read chip id from CHIP_ID */ | |
7b048c52 | 641 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
f5fc0f86 LC |
642 | |
643 | /* 1. check if chip id is valid */ | |
644 | ||
645 | switch (wl->chip.id) { | |
646 | case CHIP_ID_1271_PG10: | |
647 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", | |
648 | wl->chip.id); | |
649 | ||
650 | ret = wl1271_setup(wl); | |
651 | if (ret < 0) | |
9ccd9217 | 652 | goto out; |
f5fc0f86 LC |
653 | break; |
654 | case CHIP_ID_1271_PG20: | |
655 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", | |
656 | wl->chip.id); | |
657 | ||
658 | ret = wl1271_setup(wl); | |
659 | if (ret < 0) | |
9ccd9217 | 660 | goto out; |
f5fc0f86 LC |
661 | break; |
662 | default: | |
9ccd9217 | 663 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
f5fc0f86 | 664 | ret = -ENODEV; |
9ccd9217 | 665 | goto out; |
f5fc0f86 LC |
666 | } |
667 | ||
668 | if (wl->fw == NULL) { | |
669 | ret = wl1271_fetch_firmware(wl); | |
670 | if (ret < 0) | |
9ccd9217 | 671 | goto out; |
f5fc0f86 LC |
672 | } |
673 | ||
674 | /* No NVS from netlink, try to get it from the filesystem */ | |
675 | if (wl->nvs == NULL) { | |
676 | ret = wl1271_fetch_nvs(wl); | |
677 | if (ret < 0) | |
9ccd9217 | 678 | goto out; |
f5fc0f86 LC |
679 | } |
680 | ||
681 | out: | |
682 | return ret; | |
683 | } | |
684 | ||
f5fc0f86 LC |
685 | int wl1271_plt_start(struct wl1271 *wl) |
686 | { | |
9ccd9217 | 687 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
688 | int ret; |
689 | ||
690 | mutex_lock(&wl->mutex); | |
691 | ||
692 | wl1271_notice("power up"); | |
693 | ||
694 | if (wl->state != WL1271_STATE_OFF) { | |
695 | wl1271_error("cannot go into PLT state because not " | |
696 | "in off state: %d", wl->state); | |
697 | ret = -EBUSY; | |
698 | goto out; | |
699 | } | |
700 | ||
9ccd9217 JO |
701 | while (retries) { |
702 | retries--; | |
703 | ret = wl1271_chip_wakeup(wl); | |
704 | if (ret < 0) | |
705 | goto power_off; | |
f5fc0f86 | 706 | |
9ccd9217 JO |
707 | ret = wl1271_boot(wl); |
708 | if (ret < 0) | |
709 | goto power_off; | |
eb5b28d0 | 710 | |
9ccd9217 JO |
711 | ret = wl1271_plt_init(wl); |
712 | if (ret < 0) | |
713 | goto irq_disable; | |
bd5ea18f | 714 | |
9ccd9217 JO |
715 | wl->state = WL1271_STATE_PLT; |
716 | wl1271_notice("firmware booted in PLT mode (%s)", | |
717 | wl->chip.fw_ver); | |
718 | goto out; | |
eb5b28d0 | 719 | |
9ccd9217 JO |
720 | irq_disable: |
721 | wl1271_disable_interrupts(wl); | |
722 | mutex_unlock(&wl->mutex); | |
723 | /* Unlocking the mutex in the middle of handling is | |
724 | inherently unsafe. In this case we deem it safe to do, | |
725 | because we need to let any possibly pending IRQ out of | |
726 | the system (and while we are WL1271_STATE_OFF the IRQ | |
727 | work function will not do anything.) Also, any other | |
728 | possible concurrent operations will fail due to the | |
729 | current state, hence the wl1271 struct should be safe. */ | |
730 | cancel_work_sync(&wl->irq_work); | |
731 | mutex_lock(&wl->mutex); | |
732 | power_off: | |
733 | wl1271_power_off(wl); | |
734 | } | |
f5fc0f86 | 735 | |
9ccd9217 JO |
736 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
737 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
738 | out: |
739 | mutex_unlock(&wl->mutex); | |
740 | ||
741 | return ret; | |
742 | } | |
743 | ||
744 | int wl1271_plt_stop(struct wl1271 *wl) | |
745 | { | |
746 | int ret = 0; | |
747 | ||
748 | mutex_lock(&wl->mutex); | |
749 | ||
750 | wl1271_notice("power down"); | |
751 | ||
752 | if (wl->state != WL1271_STATE_PLT) { | |
753 | wl1271_error("cannot power down because not in PLT " | |
754 | "state: %d", wl->state); | |
755 | ret = -EBUSY; | |
756 | goto out; | |
757 | } | |
758 | ||
759 | wl1271_disable_interrupts(wl); | |
760 | wl1271_power_off(wl); | |
761 | ||
762 | wl->state = WL1271_STATE_OFF; | |
bd5ea18f | 763 | wl->rx_counter = 0; |
f5fc0f86 LC |
764 | |
765 | out: | |
766 | mutex_unlock(&wl->mutex); | |
767 | ||
768 | return ret; | |
769 | } | |
770 | ||
771 | ||
772 | static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) | |
773 | { | |
774 | struct wl1271 *wl = hw->priv; | |
830fb67b JO |
775 | struct ieee80211_conf *conf = &hw->conf; |
776 | struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); | |
777 | struct ieee80211_sta *sta = txinfo->control.sta; | |
778 | unsigned long flags; | |
f5fc0f86 | 779 | |
830fb67b JO |
780 | /* peek into the rates configured in the STA entry */ |
781 | spin_lock_irqsave(&wl->wl_lock, flags); | |
782 | if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) { | |
783 | wl->sta_rate_set = sta->supp_rates[conf->channel->band]; | |
784 | set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags); | |
785 | } | |
786 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
787 | ||
788 | /* queue the packet */ | |
f5fc0f86 LC |
789 | skb_queue_tail(&wl->tx_queue, skb); |
790 | ||
791 | /* | |
792 | * The chip specific setup must run before the first TX packet - | |
793 | * before that, the tx_work will not be initialized! | |
794 | */ | |
795 | ||
a64b07e8 | 796 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
797 | |
798 | /* | |
799 | * The workqueue is slow to process the tx_queue and we need stop | |
800 | * the queue here, otherwise the queue will get too long. | |
801 | */ | |
802 | if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_MAX_LENGTH) { | |
803 | ieee80211_stop_queues(wl->hw); | |
804 | ||
805 | /* | |
806 | * FIXME: this is racy, the variable is not properly | |
807 | * protected. Maybe fix this by removing the stupid | |
808 | * variable altogether and checking the real queue state? | |
809 | */ | |
71449f8d | 810 | set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); |
f5fc0f86 LC |
811 | } |
812 | ||
813 | return NETDEV_TX_OK; | |
814 | } | |
815 | ||
01c09162 JO |
816 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
817 | void *arg) | |
818 | { | |
819 | struct net_device *dev; | |
820 | struct wireless_dev *wdev; | |
821 | struct wiphy *wiphy; | |
822 | struct ieee80211_hw *hw; | |
823 | struct wl1271 *wl; | |
824 | struct wl1271 *wl_temp; | |
825 | struct in_device *idev; | |
826 | struct in_ifaddr *ifa = arg; | |
827 | int ret = 0; | |
828 | ||
829 | /* FIXME: this ugly function should probably be implemented in the | |
830 | * mac80211, and here should only be a simple callback handling actual | |
831 | * setting of the filters. Now we need to dig up references to | |
832 | * various structures to gain access to what we need. | |
833 | * Also, because of this, there is no "initial" setting of the filter | |
834 | * in "op_start", because we don't want to dig up struct net_device | |
835 | * there - the filter will be set upon first change of the interface | |
836 | * IP address. */ | |
837 | ||
838 | dev = ifa->ifa_dev->dev; | |
839 | ||
840 | wdev = dev->ieee80211_ptr; | |
841 | if (wdev == NULL) | |
17d7265c | 842 | return NOTIFY_DONE; |
01c09162 JO |
843 | |
844 | wiphy = wdev->wiphy; | |
845 | if (wiphy == NULL) | |
17d7265c | 846 | return NOTIFY_DONE; |
01c09162 JO |
847 | |
848 | hw = wiphy_priv(wiphy); | |
849 | if (hw == NULL) | |
17d7265c | 850 | return NOTIFY_DONE; |
01c09162 JO |
851 | |
852 | /* Check that the interface is one supported by this driver. */ | |
853 | wl_temp = hw->priv; | |
854 | list_for_each_entry(wl, &wl_list, list) { | |
855 | if (wl == wl_temp) | |
856 | break; | |
857 | } | |
858 | if (wl == NULL) | |
17d7265c | 859 | return NOTIFY_DONE; |
01c09162 JO |
860 | |
861 | /* Get the interface IP address for the device. "ifa" will become | |
862 | NULL if: | |
863 | - there is no IPV4 protocol address configured | |
864 | - there are multiple (virtual) IPV4 addresses configured | |
865 | When "ifa" is NULL, filtering will be disabled. | |
866 | */ | |
867 | ifa = NULL; | |
868 | idev = dev->ip_ptr; | |
869 | if (idev) | |
870 | ifa = idev->ifa_list; | |
871 | ||
872 | if (ifa && ifa->ifa_next) | |
873 | ifa = NULL; | |
874 | ||
875 | mutex_lock(&wl->mutex); | |
876 | ||
877 | if (wl->state == WL1271_STATE_OFF) | |
878 | goto out; | |
879 | ||
880 | ret = wl1271_ps_elp_wakeup(wl, false); | |
881 | if (ret < 0) | |
882 | goto out; | |
883 | if (ifa) | |
884 | ret = wl1271_acx_arp_ip_filter(wl, true, | |
885 | (u8 *)&ifa->ifa_address, | |
886 | ACX_IPV4_VERSION); | |
887 | else | |
888 | ret = wl1271_acx_arp_ip_filter(wl, false, NULL, | |
889 | ACX_IPV4_VERSION); | |
890 | wl1271_ps_elp_sleep(wl); | |
891 | ||
892 | out: | |
893 | mutex_unlock(&wl->mutex); | |
894 | ||
17d7265c | 895 | return NOTIFY_OK; |
01c09162 JO |
896 | } |
897 | ||
898 | static struct notifier_block wl1271_dev_notifier = { | |
899 | .notifier_call = wl1271_dev_notify, | |
900 | }; | |
901 | ||
902 | ||
f5fc0f86 LC |
903 | static int wl1271_op_start(struct ieee80211_hw *hw) |
904 | { | |
905 | struct wl1271 *wl = hw->priv; | |
9ccd9217 | 906 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
907 | int ret = 0; |
908 | ||
909 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
910 | ||
911 | mutex_lock(&wl->mutex); | |
912 | ||
913 | if (wl->state != WL1271_STATE_OFF) { | |
914 | wl1271_error("cannot start because not in off state: %d", | |
915 | wl->state); | |
916 | ret = -EBUSY; | |
917 | goto out; | |
918 | } | |
919 | ||
9ccd9217 JO |
920 | while (retries) { |
921 | retries--; | |
922 | ret = wl1271_chip_wakeup(wl); | |
923 | if (ret < 0) | |
924 | goto power_off; | |
f5fc0f86 | 925 | |
9ccd9217 JO |
926 | ret = wl1271_boot(wl); |
927 | if (ret < 0) | |
928 | goto power_off; | |
f5fc0f86 | 929 | |
9ccd9217 JO |
930 | ret = wl1271_hw_init(wl); |
931 | if (ret < 0) | |
932 | goto irq_disable; | |
f5fc0f86 | 933 | |
9ccd9217 JO |
934 | wl->state = WL1271_STATE_ON; |
935 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver); | |
936 | goto out; | |
eb5b28d0 | 937 | |
9ccd9217 JO |
938 | irq_disable: |
939 | wl1271_disable_interrupts(wl); | |
940 | mutex_unlock(&wl->mutex); | |
941 | /* Unlocking the mutex in the middle of handling is | |
942 | inherently unsafe. In this case we deem it safe to do, | |
943 | because we need to let any possibly pending IRQ out of | |
944 | the system (and while we are WL1271_STATE_OFF the IRQ | |
945 | work function will not do anything.) Also, any other | |
946 | possible concurrent operations will fail due to the | |
947 | current state, hence the wl1271 struct should be safe. */ | |
948 | cancel_work_sync(&wl->irq_work); | |
949 | mutex_lock(&wl->mutex); | |
950 | power_off: | |
951 | wl1271_power_off(wl); | |
952 | } | |
eb5b28d0 | 953 | |
9ccd9217 JO |
954 | wl1271_error("firmware boot failed despite %d retries", |
955 | WL1271_BOOT_RETRIES); | |
eb5b28d0 | 956 | out: |
f5fc0f86 LC |
957 | mutex_unlock(&wl->mutex); |
958 | ||
01c09162 JO |
959 | if (!ret) { |
960 | list_add(&wl->list, &wl_list); | |
961 | register_inetaddr_notifier(&wl1271_dev_notifier); | |
962 | } | |
963 | ||
f5fc0f86 LC |
964 | return ret; |
965 | } | |
966 | ||
967 | static void wl1271_op_stop(struct ieee80211_hw *hw) | |
968 | { | |
969 | struct wl1271 *wl = hw->priv; | |
970 | int i; | |
971 | ||
972 | wl1271_info("down"); | |
973 | ||
974 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
975 | ||
01c09162 JO |
976 | unregister_inetaddr_notifier(&wl1271_dev_notifier); |
977 | list_del(&wl->list); | |
978 | ||
f5fc0f86 LC |
979 | mutex_lock(&wl->mutex); |
980 | ||
981 | WARN_ON(wl->state != WL1271_STATE_ON); | |
982 | ||
71449f8d | 983 | if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) { |
f5fc0f86 LC |
984 | mutex_unlock(&wl->mutex); |
985 | ieee80211_scan_completed(wl->hw, true); | |
986 | mutex_lock(&wl->mutex); | |
f5fc0f86 LC |
987 | } |
988 | ||
989 | wl->state = WL1271_STATE_OFF; | |
990 | ||
991 | wl1271_disable_interrupts(wl); | |
992 | ||
993 | mutex_unlock(&wl->mutex); | |
994 | ||
995 | cancel_work_sync(&wl->irq_work); | |
996 | cancel_work_sync(&wl->tx_work); | |
f5fc0f86 LC |
997 | |
998 | mutex_lock(&wl->mutex); | |
999 | ||
1000 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
1001 | wl1271_tx_flush(wl); | |
1002 | wl1271_power_off(wl); | |
1003 | ||
1004 | memset(wl->bssid, 0, ETH_ALEN); | |
1005 | memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); | |
1006 | wl->ssid_len = 0; | |
f5fc0f86 | 1007 | wl->bss_type = MAX_BSS_TYPE; |
8a5a37a6 | 1008 | wl->band = IEEE80211_BAND_2GHZ; |
f5fc0f86 LC |
1009 | |
1010 | wl->rx_counter = 0; | |
19ad0715 | 1011 | wl->psm_entry_retry = 0; |
f5fc0f86 LC |
1012 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
1013 | wl->tx_blocks_available = 0; | |
1014 | wl->tx_results_count = 0; | |
1015 | wl->tx_packets_count = 0; | |
ac4e4ce5 JO |
1016 | wl->tx_security_last_seq = 0; |
1017 | wl->tx_security_seq_16 = 0; | |
1018 | wl->tx_security_seq_32 = 0; | |
f5fc0f86 LC |
1019 | wl->time_offset = 0; |
1020 | wl->session_counter = 0; | |
830fb67b JO |
1021 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1022 | wl->sta_rate_set = 0; | |
1023 | wl->flags = 0; | |
d6e19d13 | 1024 | |
f5fc0f86 LC |
1025 | for (i = 0; i < NUM_TX_QUEUES; i++) |
1026 | wl->tx_blocks_freed[i] = 0; | |
1027 | ||
1028 | wl1271_debugfs_reset(wl); | |
1029 | mutex_unlock(&wl->mutex); | |
1030 | } | |
1031 | ||
1032 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, | |
1ed32e4f | 1033 | struct ieee80211_vif *vif) |
f5fc0f86 LC |
1034 | { |
1035 | struct wl1271 *wl = hw->priv; | |
f5fc0f86 LC |
1036 | int ret = 0; |
1037 | ||
e5539bcb | 1038 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
1ed32e4f | 1039 | vif->type, vif->addr); |
f5fc0f86 LC |
1040 | |
1041 | mutex_lock(&wl->mutex); | |
b771eee5 JO |
1042 | if (wl->vif) { |
1043 | ret = -EBUSY; | |
1044 | goto out; | |
1045 | } | |
1046 | ||
1ed32e4f | 1047 | wl->vif = vif; |
f5fc0f86 | 1048 | |
1ed32e4f | 1049 | switch (vif->type) { |
f5fc0f86 LC |
1050 | case NL80211_IFTYPE_STATION: |
1051 | wl->bss_type = BSS_TYPE_STA_BSS; | |
1052 | break; | |
1053 | case NL80211_IFTYPE_ADHOC: | |
1054 | wl->bss_type = BSS_TYPE_IBSS; | |
1055 | break; | |
1056 | default: | |
1057 | ret = -EOPNOTSUPP; | |
1058 | goto out; | |
1059 | } | |
1060 | ||
1061 | /* FIXME: what if conf->mac_addr changes? */ | |
1062 | ||
1063 | out: | |
1064 | mutex_unlock(&wl->mutex); | |
1065 | return ret; | |
1066 | } | |
1067 | ||
1068 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, | |
1ed32e4f | 1069 | struct ieee80211_vif *vif) |
f5fc0f86 | 1070 | { |
b771eee5 JO |
1071 | struct wl1271 *wl = hw->priv; |
1072 | ||
1073 | mutex_lock(&wl->mutex); | |
f5fc0f86 | 1074 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
b771eee5 JO |
1075 | wl->vif = NULL; |
1076 | mutex_unlock(&wl->mutex); | |
f5fc0f86 LC |
1077 | } |
1078 | ||
1079 | #if 0 | |
1080 | static int wl1271_op_config_interface(struct ieee80211_hw *hw, | |
1081 | struct ieee80211_vif *vif, | |
1082 | struct ieee80211_if_conf *conf) | |
1083 | { | |
1084 | struct wl1271 *wl = hw->priv; | |
1085 | struct sk_buff *beacon; | |
f5fc0f86 LC |
1086 | int ret; |
1087 | ||
3264690b DM |
1088 | wl1271_debug(DEBUG_MAC80211, "mac80211 config_interface bssid %pM", |
1089 | conf->bssid); | |
f5fc0f86 LC |
1090 | wl1271_dump_ascii(DEBUG_MAC80211, "ssid: ", conf->ssid, |
1091 | conf->ssid_len); | |
1092 | ||
1093 | mutex_lock(&wl->mutex); | |
1094 | ||
1095 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1096 | if (ret < 0) | |
1097 | goto out; | |
1098 | ||
ae751bab LC |
1099 | if (memcmp(wl->bssid, conf->bssid, ETH_ALEN)) { |
1100 | wl1271_debug(DEBUG_MAC80211, "bssid changed"); | |
1101 | ||
1102 | memcpy(wl->bssid, conf->bssid, ETH_ALEN); | |
1103 | ||
1104 | ret = wl1271_cmd_join(wl); | |
1105 | if (ret < 0) | |
1106 | goto out_sleep; | |
f5fc0f86 | 1107 | |
c6317a54 JO |
1108 | ret = wl1271_cmd_build_null_data(wl); |
1109 | if (ret < 0) | |
1110 | goto out_sleep; | |
1111 | } | |
f5fc0f86 LC |
1112 | |
1113 | wl->ssid_len = conf->ssid_len; | |
1114 | if (wl->ssid_len) | |
1115 | memcpy(wl->ssid, conf->ssid, wl->ssid_len); | |
1116 | ||
f5fc0f86 LC |
1117 | if (conf->changed & IEEE80211_IFCC_BEACON) { |
1118 | beacon = ieee80211_beacon_get(hw, vif); | |
1119 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, | |
1120 | beacon->data, beacon->len); | |
1121 | ||
1122 | if (ret < 0) { | |
1123 | dev_kfree_skb(beacon); | |
1124 | goto out_sleep; | |
1125 | } | |
1126 | ||
1127 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, | |
1128 | beacon->data, beacon->len); | |
1129 | ||
1130 | dev_kfree_skb(beacon); | |
1131 | ||
f5fc0f86 LC |
1132 | if (ret < 0) |
1133 | goto out_sleep; | |
1134 | } | |
1135 | ||
1136 | out_sleep: | |
1137 | wl1271_ps_elp_sleep(wl); | |
1138 | ||
1139 | out: | |
1140 | mutex_unlock(&wl->mutex); | |
1141 | ||
1142 | return ret; | |
1143 | } | |
1144 | #endif | |
1145 | ||
c7f43e45 LC |
1146 | static int wl1271_join_channel(struct wl1271 *wl, int channel) |
1147 | { | |
e0d8bbf0 | 1148 | int ret = 0; |
c7f43e45 LC |
1149 | /* we need to use a dummy BSSID for now */ |
1150 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, | |
1151 | 0xad, 0xbe, 0xef }; | |
1152 | ||
e0d8bbf0 JO |
1153 | /* the dummy join is not required for ad-hoc */ |
1154 | if (wl->bss_type == BSS_TYPE_IBSS) | |
1155 | goto out; | |
1156 | ||
c7f43e45 LC |
1157 | /* disable mac filter, so we hear everything */ |
1158 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1159 | ||
1160 | wl->channel = channel; | |
1161 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); | |
1162 | ||
1163 | ret = wl1271_cmd_join(wl); | |
1164 | if (ret < 0) | |
1165 | goto out; | |
1166 | ||
71449f8d | 1167 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1168 | |
1169 | out: | |
1170 | return ret; | |
1171 | } | |
1172 | ||
1173 | static int wl1271_unjoin_channel(struct wl1271 *wl) | |
1174 | { | |
1175 | int ret; | |
1176 | ||
1177 | /* to stop listening to a channel, we disconnect */ | |
1178 | ret = wl1271_cmd_disconnect(wl); | |
1179 | if (ret < 0) | |
1180 | goto out; | |
1181 | ||
71449f8d | 1182 | clear_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1183 | wl->channel = 0; |
1184 | memset(wl->bssid, 0, ETH_ALEN); | |
1185 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
1186 | ||
1187 | out: | |
1188 | return ret; | |
1189 | } | |
1190 | ||
f5fc0f86 LC |
1191 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
1192 | { | |
1193 | struct wl1271 *wl = hw->priv; | |
1194 | struct ieee80211_conf *conf = &hw->conf; | |
1195 | int channel, ret = 0; | |
1196 | ||
1197 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
1198 | ||
c7f43e45 | 1199 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s", |
f5fc0f86 LC |
1200 | channel, |
1201 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", | |
c7f43e45 LC |
1202 | conf->power_level, |
1203 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use"); | |
f5fc0f86 LC |
1204 | |
1205 | mutex_lock(&wl->mutex); | |
1206 | ||
8a5a37a6 JO |
1207 | wl->band = conf->channel->band; |
1208 | ||
f5fc0f86 LC |
1209 | ret = wl1271_ps_elp_wakeup(wl, false); |
1210 | if (ret < 0) | |
1211 | goto out; | |
1212 | ||
c7f43e45 | 1213 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
71449f8d JO |
1214 | if (conf->flags & IEEE80211_CONF_IDLE && |
1215 | test_bit(WL1271_FLAG_JOINED, &wl->flags)) | |
c7f43e45 | 1216 | wl1271_unjoin_channel(wl); |
8f648c00 | 1217 | else if (!(conf->flags & IEEE80211_CONF_IDLE)) |
c7f43e45 | 1218 | wl1271_join_channel(wl, channel); |
a6fe2313 JO |
1219 | |
1220 | if (conf->flags & IEEE80211_CONF_IDLE) { | |
830fb67b JO |
1221 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1222 | wl->sta_rate_set = 0; | |
1223 | wl1271_acx_rate_policies(wl); | |
a6fe2313 | 1224 | } |
f5fc0f86 LC |
1225 | } |
1226 | ||
c7f43e45 | 1227 | /* if the channel changes while joined, join again */ |
ddb01a5b JO |
1228 | if (channel != wl->channel && |
1229 | test_bit(WL1271_FLAG_JOINED, &wl->flags)) { | |
1230 | wl->channel = channel; | |
1231 | /* FIXME: maybe use CMD_CHANNEL_SWITCH for this? */ | |
1232 | ret = wl1271_cmd_join(wl); | |
1233 | if (ret < 0) | |
1234 | wl1271_warning("cmd join to update channel failed %d", | |
1235 | ret); | |
1236 | } else | |
1237 | wl->channel = channel; | |
c7f43e45 | 1238 | |
71449f8d JO |
1239 | if (conf->flags & IEEE80211_CONF_PS && |
1240 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { | |
1241 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); | |
f5fc0f86 LC |
1242 | |
1243 | /* | |
1244 | * We enter PSM only if we're already associated. | |
1245 | * If we're not, we'll enter it when joining an SSID, | |
1246 | * through the bss_info_changed() hook. | |
1247 | */ | |
830fb67b | 1248 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
af5e084b | 1249 | wl1271_info("psm enabled"); |
d8c42c0c JO |
1250 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
1251 | true); | |
af5e084b | 1252 | } |
f5fc0f86 | 1253 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
71449f8d | 1254 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
f5fc0f86 LC |
1255 | wl1271_info("psm disabled"); |
1256 | ||
71449f8d | 1257 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
f5fc0f86 | 1258 | |
71449f8d | 1259 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
d8c42c0c JO |
1260 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
1261 | true); | |
f5fc0f86 LC |
1262 | } |
1263 | ||
1264 | if (conf->power_level != wl->power_level) { | |
1265 | ret = wl1271_acx_tx_power(wl, conf->power_level); | |
1266 | if (ret < 0) | |
c6317a54 | 1267 | goto out_sleep; |
f5fc0f86 LC |
1268 | |
1269 | wl->power_level = conf->power_level; | |
1270 | } | |
1271 | ||
1272 | out_sleep: | |
1273 | wl1271_ps_elp_sleep(wl); | |
1274 | ||
1275 | out: | |
1276 | mutex_unlock(&wl->mutex); | |
1277 | ||
1278 | return ret; | |
1279 | } | |
1280 | ||
b54853f1 JO |
1281 | struct wl1271_filter_params { |
1282 | bool enabled; | |
1283 | int mc_list_length; | |
1284 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
1285 | }; | |
1286 | ||
c87dec9f JO |
1287 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count, |
1288 | struct dev_addr_list *mc_list) | |
1289 | { | |
c87dec9f | 1290 | struct wl1271_filter_params *fp; |
c87dec9f JO |
1291 | int i; |
1292 | ||
74441130 | 1293 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
1294 | if (!fp) { |
1295 | wl1271_error("Out of memory setting filters."); | |
1296 | return 0; | |
1297 | } | |
1298 | ||
1299 | /* update multicast filtering parameters */ | |
b54853f1 | 1300 | fp->enabled = true; |
c87dec9f JO |
1301 | if (mc_count > ACX_MC_ADDRESS_GROUP_MAX) { |
1302 | mc_count = 0; | |
b54853f1 | 1303 | fp->enabled = false; |
c87dec9f JO |
1304 | } |
1305 | ||
1306 | fp->mc_list_length = 0; | |
1307 | for (i = 0; i < mc_count; i++) { | |
1308 | if (mc_list->da_addrlen == ETH_ALEN) { | |
1309 | memcpy(fp->mc_list[fp->mc_list_length], | |
1310 | mc_list->da_addr, ETH_ALEN); | |
1311 | fp->mc_list_length++; | |
1312 | } else | |
1313 | wl1271_warning("Unknown mc address length."); | |
74441130 | 1314 | mc_list = mc_list->next; |
c87dec9f JO |
1315 | } |
1316 | ||
b54853f1 | 1317 | return (u64)(unsigned long)fp; |
c87dec9f | 1318 | } |
f5fc0f86 | 1319 | |
b54853f1 JO |
1320 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
1321 | FIF_ALLMULTI | \ | |
1322 | FIF_FCSFAIL | \ | |
1323 | FIF_BCN_PRBRESP_PROMISC | \ | |
1324 | FIF_CONTROL | \ | |
1325 | FIF_OTHER_BSS) | |
1326 | ||
f5fc0f86 LC |
1327 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
1328 | unsigned int changed, | |
c87dec9f | 1329 | unsigned int *total, u64 multicast) |
f5fc0f86 | 1330 | { |
b54853f1 | 1331 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 1332 | struct wl1271 *wl = hw->priv; |
b54853f1 | 1333 | int ret; |
f5fc0f86 LC |
1334 | |
1335 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter"); | |
1336 | ||
b54853f1 JO |
1337 | mutex_lock(&wl->mutex); |
1338 | ||
1339 | if (wl->state == WL1271_STATE_OFF) | |
1340 | goto out; | |
1341 | ||
1342 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1343 | if (ret < 0) | |
1344 | goto out; | |
1345 | ||
f5fc0f86 LC |
1346 | *total &= WL1271_SUPPORTED_FILTERS; |
1347 | changed &= WL1271_SUPPORTED_FILTERS; | |
1348 | ||
b54853f1 JO |
1349 | if (*total & FIF_ALLMULTI) |
1350 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); | |
1351 | else if (fp) | |
1352 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, | |
1353 | fp->mc_list, | |
1354 | fp->mc_list_length); | |
1355 | if (ret < 0) | |
1356 | goto out_sleep; | |
f5fc0f86 | 1357 | |
b54853f1 JO |
1358 | kfree(fp); |
1359 | ||
1360 | /* FIXME: We still need to set our filters properly */ | |
c87dec9f | 1361 | |
b54853f1 JO |
1362 | /* determine, whether supported filter values have changed */ |
1363 | if (changed == 0) | |
1364 | goto out_sleep; | |
c87dec9f | 1365 | |
b54853f1 JO |
1366 | /* apply configured filters */ |
1367 | ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); | |
1368 | if (ret < 0) | |
1369 | goto out_sleep; | |
1370 | ||
1371 | out_sleep: | |
1372 | wl1271_ps_elp_sleep(wl); | |
1373 | ||
1374 | out: | |
1375 | mutex_unlock(&wl->mutex); | |
f5fc0f86 LC |
1376 | } |
1377 | ||
1378 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
1379 | struct ieee80211_vif *vif, | |
1380 | struct ieee80211_sta *sta, | |
1381 | struct ieee80211_key_conf *key_conf) | |
1382 | { | |
1383 | struct wl1271 *wl = hw->priv; | |
1384 | const u8 *addr; | |
1385 | int ret; | |
ac4e4ce5 JO |
1386 | u32 tx_seq_32 = 0; |
1387 | u16 tx_seq_16 = 0; | |
f5fc0f86 LC |
1388 | u8 key_type; |
1389 | ||
1390 | static const u8 bcast_addr[ETH_ALEN] = | |
1391 | { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
1392 | ||
1393 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); | |
1394 | ||
1395 | addr = sta ? sta->addr : bcast_addr; | |
1396 | ||
1397 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); | |
1398 | wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); | |
1399 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", | |
1400 | key_conf->alg, key_conf->keyidx, | |
1401 | key_conf->keylen, key_conf->flags); | |
1402 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
1403 | ||
1404 | if (is_zero_ether_addr(addr)) { | |
1405 | /* We dont support TX only encryption */ | |
1406 | ret = -EOPNOTSUPP; | |
1407 | goto out; | |
1408 | } | |
1409 | ||
1410 | mutex_lock(&wl->mutex); | |
1411 | ||
1412 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1413 | if (ret < 0) | |
1414 | goto out_unlock; | |
1415 | ||
1416 | switch (key_conf->alg) { | |
1417 | case ALG_WEP: | |
1418 | key_type = KEY_WEP; | |
1419 | ||
1420 | key_conf->hw_key_idx = key_conf->keyidx; | |
1421 | break; | |
1422 | case ALG_TKIP: | |
1423 | key_type = KEY_TKIP; | |
1424 | ||
1425 | key_conf->hw_key_idx = key_conf->keyidx; | |
ac4e4ce5 JO |
1426 | tx_seq_32 = wl->tx_security_seq_32; |
1427 | tx_seq_16 = wl->tx_security_seq_16; | |
f5fc0f86 LC |
1428 | break; |
1429 | case ALG_CCMP: | |
1430 | key_type = KEY_AES; | |
1431 | ||
1432 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
ac4e4ce5 JO |
1433 | tx_seq_32 = wl->tx_security_seq_32; |
1434 | tx_seq_16 = wl->tx_security_seq_16; | |
f5fc0f86 LC |
1435 | break; |
1436 | default: | |
1437 | wl1271_error("Unknown key algo 0x%x", key_conf->alg); | |
1438 | ||
1439 | ret = -EOPNOTSUPP; | |
1440 | goto out_sleep; | |
1441 | } | |
1442 | ||
1443 | switch (cmd) { | |
1444 | case SET_KEY: | |
1445 | ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE, | |
1446 | key_conf->keyidx, key_type, | |
1447 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1448 | addr, tx_seq_32, tx_seq_16); |
f5fc0f86 LC |
1449 | if (ret < 0) { |
1450 | wl1271_error("Could not add or replace key"); | |
1451 | goto out_sleep; | |
1452 | } | |
ee444cf0 JO |
1453 | |
1454 | /* the default WEP key needs to be configured at least once */ | |
1455 | if (key_type == KEY_WEP) { | |
1456 | ret = wl1271_cmd_set_default_wep_key(wl, | |
1457 | wl->default_key); | |
1458 | if (ret < 0) | |
1459 | goto out_sleep; | |
1460 | } | |
f5fc0f86 LC |
1461 | break; |
1462 | ||
1463 | case DISABLE_KEY: | |
fddc7dd7 JO |
1464 | /* The wl1271 does not allow to remove unicast keys - they |
1465 | will be cleared automatically on next CMD_JOIN. Ignore the | |
1466 | request silently, as we dont want the mac80211 to emit | |
1467 | an error message. */ | |
1468 | if (!is_broadcast_ether_addr(addr)) | |
1469 | break; | |
1470 | ||
f5fc0f86 LC |
1471 | ret = wl1271_cmd_set_key(wl, KEY_REMOVE, |
1472 | key_conf->keyidx, key_type, | |
1473 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1474 | addr, 0, 0); |
f5fc0f86 LC |
1475 | if (ret < 0) { |
1476 | wl1271_error("Could not remove key"); | |
1477 | goto out_sleep; | |
1478 | } | |
1479 | break; | |
1480 | ||
1481 | default: | |
1482 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
1483 | ret = -EOPNOTSUPP; | |
1484 | goto out_sleep; | |
1485 | ||
1486 | break; | |
1487 | } | |
1488 | ||
1489 | out_sleep: | |
1490 | wl1271_ps_elp_sleep(wl); | |
1491 | ||
1492 | out_unlock: | |
1493 | mutex_unlock(&wl->mutex); | |
1494 | ||
1495 | out: | |
1496 | return ret; | |
1497 | } | |
1498 | ||
1499 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, | |
1500 | struct cfg80211_scan_request *req) | |
1501 | { | |
1502 | struct wl1271 *wl = hw->priv; | |
1503 | int ret; | |
1504 | u8 *ssid = NULL; | |
abb0b3bf | 1505 | size_t len = 0; |
f5fc0f86 LC |
1506 | |
1507 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
1508 | ||
1509 | if (req->n_ssids) { | |
1510 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 1511 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
1512 | } |
1513 | ||
1514 | mutex_lock(&wl->mutex); | |
1515 | ||
1516 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1517 | if (ret < 0) | |
1518 | goto out; | |
1519 | ||
abb0b3bf TP |
1520 | if (wl1271_11a_enabled()) |
1521 | ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0, | |
1522 | WL1271_SCAN_BAND_DUAL, 3); | |
1523 | else | |
1524 | ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0, | |
1525 | WL1271_SCAN_BAND_2_4_GHZ, 3); | |
f5fc0f86 LC |
1526 | |
1527 | wl1271_ps_elp_sleep(wl); | |
1528 | ||
1529 | out: | |
1530 | mutex_unlock(&wl->mutex); | |
1531 | ||
1532 | return ret; | |
1533 | } | |
1534 | ||
1535 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
1536 | { | |
1537 | struct wl1271 *wl = hw->priv; | |
1538 | int ret; | |
1539 | ||
1540 | mutex_lock(&wl->mutex); | |
1541 | ||
1542 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1543 | if (ret < 0) | |
1544 | goto out; | |
1545 | ||
1546 | ret = wl1271_acx_rts_threshold(wl, (u16) value); | |
1547 | if (ret < 0) | |
1548 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); | |
1549 | ||
1550 | wl1271_ps_elp_sleep(wl); | |
1551 | ||
1552 | out: | |
1553 | mutex_unlock(&wl->mutex); | |
1554 | ||
1555 | return ret; | |
1556 | } | |
1557 | ||
30240fc7 JO |
1558 | static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon) |
1559 | { | |
1560 | u8 *ptr = beacon->data + | |
1561 | offsetof(struct ieee80211_mgmt, u.beacon.variable); | |
1562 | ||
1563 | /* find the location of the ssid in the beacon */ | |
1564 | while (ptr < beacon->data + beacon->len) { | |
1565 | if (ptr[0] == WLAN_EID_SSID) { | |
1566 | wl->ssid_len = ptr[1]; | |
1567 | memcpy(wl->ssid, ptr+2, wl->ssid_len); | |
1568 | return; | |
1569 | } | |
1570 | ptr += ptr[1]; | |
1571 | } | |
1572 | wl1271_error("ad-hoc beacon template has no SSID!\n"); | |
1573 | } | |
1574 | ||
f5fc0f86 LC |
1575 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
1576 | struct ieee80211_vif *vif, | |
1577 | struct ieee80211_bss_conf *bss_conf, | |
1578 | u32 changed) | |
1579 | { | |
1580 | enum wl1271_cmd_ps_mode mode; | |
1581 | struct wl1271 *wl = hw->priv; | |
8bf29b0e | 1582 | bool do_join = false; |
f5fc0f86 LC |
1583 | int ret; |
1584 | ||
1585 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed"); | |
1586 | ||
1587 | mutex_lock(&wl->mutex); | |
1588 | ||
1589 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1590 | if (ret < 0) | |
1591 | goto out; | |
1592 | ||
e0d8bbf0 JO |
1593 | if (wl->bss_type == BSS_TYPE_IBSS) { |
1594 | /* FIXME: This implements rudimentary ad-hoc support - | |
1595 | proper templates are on the wish list and notification | |
1596 | on when they change. This patch will update the templates | |
30240fc7 | 1597 | on every call to this function. */ |
e0d8bbf0 JO |
1598 | struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); |
1599 | ||
1600 | if (beacon) { | |
1601 | struct ieee80211_hdr *hdr; | |
30240fc7 JO |
1602 | |
1603 | wl1271_ssid_set(wl, beacon); | |
e0d8bbf0 JO |
1604 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, |
1605 | beacon->data, | |
1606 | beacon->len); | |
1607 | ||
1608 | if (ret < 0) { | |
1609 | dev_kfree_skb(beacon); | |
1610 | goto out_sleep; | |
1611 | } | |
1612 | ||
1613 | hdr = (struct ieee80211_hdr *) beacon->data; | |
1614 | hdr->frame_control = cpu_to_le16( | |
1615 | IEEE80211_FTYPE_MGMT | | |
1616 | IEEE80211_STYPE_PROBE_RESP); | |
1617 | ||
1618 | ret = wl1271_cmd_template_set(wl, | |
1619 | CMD_TEMPL_PROBE_RESPONSE, | |
1620 | beacon->data, | |
1621 | beacon->len); | |
1622 | dev_kfree_skb(beacon); | |
1623 | if (ret < 0) | |
1624 | goto out_sleep; | |
8bf29b0e JO |
1625 | |
1626 | /* Need to update the SSID (for filtering etc) */ | |
1627 | do_join = true; | |
e0d8bbf0 JO |
1628 | } |
1629 | } | |
1630 | ||
30240fc7 JO |
1631 | if ((changed & BSS_CHANGED_BSSID) && |
1632 | /* | |
1633 | * Now we know the correct bssid, so we send a new join command | |
1634 | * and enable the BSSID filter | |
1635 | */ | |
1636 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { | |
1637 | wl->rx_config |= CFG_BSSID_FILTER_EN; | |
1638 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); | |
1639 | ret = wl1271_cmd_build_null_data(wl); | |
1640 | if (ret < 0) { | |
1641 | wl1271_warning("cmd buld null data failed %d", | |
1642 | ret); | |
1643 | goto out_sleep; | |
1644 | } | |
1645 | ||
8bf29b0e JO |
1646 | /* Need to update the BSSID (for filtering etc) */ |
1647 | do_join = true; | |
30240fc7 JO |
1648 | } |
1649 | ||
f5fc0f86 LC |
1650 | if (changed & BSS_CHANGED_ASSOC) { |
1651 | if (bss_conf->assoc) { | |
1652 | wl->aid = bss_conf->aid; | |
830fb67b | 1653 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
f5fc0f86 | 1654 | |
ae751bab LC |
1655 | /* |
1656 | * with wl1271, we don't need to update the | |
1657 | * beacon_int and dtim_period, because the firmware | |
1658 | * updates it by itself when the first beacon is | |
1659 | * received after a join. | |
1660 | */ | |
f5fc0f86 LC |
1661 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
1662 | if (ret < 0) | |
1663 | goto out_sleep; | |
1664 | ||
1665 | ret = wl1271_acx_aid(wl, wl->aid); | |
1666 | if (ret < 0) | |
1667 | goto out_sleep; | |
1668 | ||
1669 | /* If we want to go in PSM but we're not there yet */ | |
71449f8d JO |
1670 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
1671 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { | |
f5fc0f86 | 1672 | mode = STATION_POWER_SAVE_MODE; |
d8c42c0c | 1673 | ret = wl1271_ps_set_mode(wl, mode, true); |
f5fc0f86 LC |
1674 | if (ret < 0) |
1675 | goto out_sleep; | |
1676 | } | |
d94cd297 JO |
1677 | } else { |
1678 | /* use defaults when not associated */ | |
830fb67b | 1679 | clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
d94cd297 | 1680 | wl->aid = 0; |
f5fc0f86 | 1681 | } |
d94cd297 | 1682 | |
f5fc0f86 | 1683 | } |
8a5a37a6 | 1684 | |
f5fc0f86 LC |
1685 | if (changed & BSS_CHANGED_ERP_SLOT) { |
1686 | if (bss_conf->use_short_slot) | |
1687 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); | |
1688 | else | |
1689 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); | |
1690 | if (ret < 0) { | |
1691 | wl1271_warning("Set slot time failed %d", ret); | |
1692 | goto out_sleep; | |
1693 | } | |
1694 | } | |
1695 | ||
1696 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
1697 | if (bss_conf->use_short_preamble) | |
1698 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); | |
1699 | else | |
1700 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); | |
1701 | } | |
1702 | ||
1703 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
1704 | if (bss_conf->use_cts_prot) | |
1705 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); | |
1706 | else | |
1707 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); | |
1708 | if (ret < 0) { | |
1709 | wl1271_warning("Set ctsprotect failed %d", ret); | |
1710 | goto out_sleep; | |
1711 | } | |
1712 | } | |
1713 | ||
8bf29b0e JO |
1714 | if (do_join) { |
1715 | ret = wl1271_cmd_join(wl); | |
1716 | if (ret < 0) { | |
1717 | wl1271_warning("cmd join failed %d", ret); | |
1718 | goto out_sleep; | |
1719 | } | |
1720 | set_bit(WL1271_FLAG_JOINED, &wl->flags); | |
1721 | } | |
1722 | ||
f5fc0f86 LC |
1723 | out_sleep: |
1724 | wl1271_ps_elp_sleep(wl); | |
1725 | ||
1726 | out: | |
1727 | mutex_unlock(&wl->mutex); | |
1728 | } | |
1729 | ||
c6999d83 KV |
1730 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
1731 | const struct ieee80211_tx_queue_params *params) | |
1732 | { | |
1733 | struct wl1271 *wl = hw->priv; | |
1734 | int ret; | |
1735 | ||
1736 | mutex_lock(&wl->mutex); | |
1737 | ||
1738 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
1739 | ||
c82c1dde KV |
1740 | ret = wl1271_ps_elp_wakeup(wl, false); |
1741 | if (ret < 0) | |
1742 | goto out; | |
1743 | ||
c6999d83 KV |
1744 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), |
1745 | params->cw_min, params->cw_max, | |
1746 | params->aifs, params->txop); | |
1747 | if (ret < 0) | |
c82c1dde | 1748 | goto out_sleep; |
c6999d83 KV |
1749 | |
1750 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), | |
1751 | CONF_CHANNEL_TYPE_EDCF, | |
1752 | wl1271_tx_get_queue(queue), | |
1753 | CONF_PS_SCHEME_LEGACY_PSPOLL, | |
1754 | CONF_ACK_POLICY_LEGACY, 0, 0); | |
1755 | if (ret < 0) | |
c82c1dde KV |
1756 | goto out_sleep; |
1757 | ||
1758 | out_sleep: | |
1759 | wl1271_ps_elp_sleep(wl); | |
c6999d83 KV |
1760 | |
1761 | out: | |
1762 | mutex_unlock(&wl->mutex); | |
1763 | ||
1764 | return ret; | |
1765 | } | |
1766 | ||
f5fc0f86 LC |
1767 | |
1768 | /* can't be const, mac80211 writes to this */ | |
1769 | static struct ieee80211_rate wl1271_rates[] = { | |
1770 | { .bitrate = 10, | |
2b60100b JO |
1771 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
1772 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 1773 | { .bitrate = 20, |
2b60100b JO |
1774 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
1775 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
1776 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1777 | { .bitrate = 55, | |
2b60100b JO |
1778 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
1779 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
1780 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1781 | { .bitrate = 110, | |
2b60100b JO |
1782 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
1783 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
1784 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1785 | { .bitrate = 60, | |
2b60100b JO |
1786 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
1787 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 1788 | { .bitrate = 90, |
2b60100b JO |
1789 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
1790 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 1791 | { .bitrate = 120, |
2b60100b JO |
1792 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
1793 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 1794 | { .bitrate = 180, |
2b60100b JO |
1795 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
1796 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 1797 | { .bitrate = 240, |
2b60100b JO |
1798 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
1799 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 1800 | { .bitrate = 360, |
2b60100b JO |
1801 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
1802 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 1803 | { .bitrate = 480, |
2b60100b JO |
1804 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
1805 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 1806 | { .bitrate = 540, |
2b60100b JO |
1807 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
1808 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
1809 | }; |
1810 | ||
1811 | /* can't be const, mac80211 writes to this */ | |
1812 | static struct ieee80211_channel wl1271_channels[] = { | |
a2d0e3f1 LC |
1813 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
1814 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, | |
1815 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, | |
1816 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, | |
1817 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, | |
1818 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, | |
1819 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, | |
1820 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, | |
1821 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, | |
1822 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, | |
1823 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, | |
1824 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, | |
1825 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, | |
f5fc0f86 LC |
1826 | }; |
1827 | ||
1828 | /* can't be const, mac80211 writes to this */ | |
1829 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
1830 | .channels = wl1271_channels, | |
1831 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
1832 | .bitrates = wl1271_rates, | |
1833 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
1834 | }; | |
1835 | ||
1ebec3d7 TP |
1836 | /* 5 GHz data rates for WL1273 */ |
1837 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
1838 | { .bitrate = 60, | |
1839 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
1840 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
1841 | { .bitrate = 90, | |
1842 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
1843 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
1844 | { .bitrate = 120, | |
1845 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
1846 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
1847 | { .bitrate = 180, | |
1848 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
1849 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
1850 | { .bitrate = 240, | |
1851 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
1852 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
1853 | { .bitrate = 360, | |
1854 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
1855 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
1856 | { .bitrate = 480, | |
1857 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
1858 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
1859 | { .bitrate = 540, | |
1860 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
1861 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
1862 | }; | |
1863 | ||
1864 | /* 5 GHz band channels for WL1273 */ | |
1865 | static struct ieee80211_channel wl1271_channels_5ghz[] = { | |
1866 | { .hw_value = 183, .center_freq = 4915}, | |
1867 | { .hw_value = 184, .center_freq = 4920}, | |
1868 | { .hw_value = 185, .center_freq = 4925}, | |
1869 | { .hw_value = 187, .center_freq = 4935}, | |
1870 | { .hw_value = 188, .center_freq = 4940}, | |
1871 | { .hw_value = 189, .center_freq = 4945}, | |
1872 | { .hw_value = 192, .center_freq = 4960}, | |
1873 | { .hw_value = 196, .center_freq = 4980}, | |
1874 | { .hw_value = 7, .center_freq = 5035}, | |
1875 | { .hw_value = 8, .center_freq = 5040}, | |
1876 | { .hw_value = 9, .center_freq = 5045}, | |
1877 | { .hw_value = 11, .center_freq = 5055}, | |
1878 | { .hw_value = 12, .center_freq = 5060}, | |
1879 | { .hw_value = 16, .center_freq = 5080}, | |
1880 | { .hw_value = 34, .center_freq = 5170}, | |
1881 | { .hw_value = 36, .center_freq = 5180}, | |
1882 | { .hw_value = 38, .center_freq = 5190}, | |
1883 | { .hw_value = 40, .center_freq = 5200}, | |
1884 | { .hw_value = 42, .center_freq = 5210}, | |
1885 | { .hw_value = 44, .center_freq = 5220}, | |
1886 | { .hw_value = 46, .center_freq = 5230}, | |
1887 | { .hw_value = 48, .center_freq = 5240}, | |
1888 | { .hw_value = 52, .center_freq = 5260}, | |
1889 | { .hw_value = 56, .center_freq = 5280}, | |
1890 | { .hw_value = 60, .center_freq = 5300}, | |
1891 | { .hw_value = 64, .center_freq = 5320}, | |
1892 | { .hw_value = 100, .center_freq = 5500}, | |
1893 | { .hw_value = 104, .center_freq = 5520}, | |
1894 | { .hw_value = 108, .center_freq = 5540}, | |
1895 | { .hw_value = 112, .center_freq = 5560}, | |
1896 | { .hw_value = 116, .center_freq = 5580}, | |
1897 | { .hw_value = 120, .center_freq = 5600}, | |
1898 | { .hw_value = 124, .center_freq = 5620}, | |
1899 | { .hw_value = 128, .center_freq = 5640}, | |
1900 | { .hw_value = 132, .center_freq = 5660}, | |
1901 | { .hw_value = 136, .center_freq = 5680}, | |
1902 | { .hw_value = 140, .center_freq = 5700}, | |
1903 | { .hw_value = 149, .center_freq = 5745}, | |
1904 | { .hw_value = 153, .center_freq = 5765}, | |
1905 | { .hw_value = 157, .center_freq = 5785}, | |
1906 | { .hw_value = 161, .center_freq = 5805}, | |
1907 | { .hw_value = 165, .center_freq = 5825}, | |
1908 | }; | |
1909 | ||
1910 | ||
1911 | static struct ieee80211_supported_band wl1271_band_5ghz = { | |
1912 | .channels = wl1271_channels_5ghz, | |
1913 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
1914 | .bitrates = wl1271_rates_5ghz, | |
1915 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
1916 | }; | |
1917 | ||
f5fc0f86 LC |
1918 | static const struct ieee80211_ops wl1271_ops = { |
1919 | .start = wl1271_op_start, | |
1920 | .stop = wl1271_op_stop, | |
1921 | .add_interface = wl1271_op_add_interface, | |
1922 | .remove_interface = wl1271_op_remove_interface, | |
1923 | .config = wl1271_op_config, | |
1924 | /* .config_interface = wl1271_op_config_interface, */ | |
c87dec9f | 1925 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
1926 | .configure_filter = wl1271_op_configure_filter, |
1927 | .tx = wl1271_op_tx, | |
1928 | .set_key = wl1271_op_set_key, | |
1929 | .hw_scan = wl1271_op_hw_scan, | |
1930 | .bss_info_changed = wl1271_op_bss_info_changed, | |
1931 | .set_rts_threshold = wl1271_op_set_rts_threshold, | |
c6999d83 | 1932 | .conf_tx = wl1271_op_conf_tx, |
c8c90873 | 1933 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
1934 | }; |
1935 | ||
2d5e82b8 | 1936 | int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
1937 | { |
1938 | int ret; | |
1939 | ||
1940 | if (wl->mac80211_registered) | |
1941 | return 0; | |
1942 | ||
1943 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); | |
1944 | ||
1945 | ret = ieee80211_register_hw(wl->hw); | |
1946 | if (ret < 0) { | |
1947 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
1948 | return ret; | |
1949 | } | |
1950 | ||
1951 | wl->mac80211_registered = true; | |
1952 | ||
1953 | wl1271_notice("loaded"); | |
1954 | ||
1955 | return 0; | |
1956 | } | |
1957 | ||
2d5e82b8 | 1958 | int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 1959 | { |
1e2b7976 JO |
1960 | /* The tx descriptor buffer and the TKIP space. */ |
1961 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + | |
1962 | sizeof(struct wl1271_tx_hw_descr); | |
f5fc0f86 LC |
1963 | |
1964 | /* unit us */ | |
1965 | /* FIXME: find a proper value */ | |
1966 | wl->hw->channel_change_time = 10000; | |
1967 | ||
1968 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
1922167b | 1969 | IEEE80211_HW_NOISE_DBM | |
03442a33 JO |
1970 | IEEE80211_HW_BEACON_FILTER | |
1971 | IEEE80211_HW_SUPPORTS_PS; | |
f5fc0f86 | 1972 | |
e0d8bbf0 JO |
1973 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
1974 | BIT(NL80211_IFTYPE_ADHOC); | |
f5fc0f86 LC |
1975 | wl->hw->wiphy->max_scan_ssids = 1; |
1976 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz; | |
1977 | ||
1ebec3d7 TP |
1978 | if (wl1271_11a_enabled()) |
1979 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz; | |
1980 | ||
f5fc0f86 LC |
1981 | SET_IEEE80211_DEV(wl->hw, &wl->spi->dev); |
1982 | ||
1983 | return 0; | |
1984 | } | |
1985 | ||
f5fc0f86 | 1986 | #define WL1271_DEFAULT_CHANNEL 0 |
c332a4b8 | 1987 | |
2d5e82b8 | 1988 | struct ieee80211_hw *wl1271_alloc_hw(void) |
f5fc0f86 | 1989 | { |
f5fc0f86 LC |
1990 | struct ieee80211_hw *hw; |
1991 | struct wl1271 *wl; | |
c332a4b8 | 1992 | int i; |
f5fc0f86 LC |
1993 | |
1994 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
1995 | if (!hw) { | |
1996 | wl1271_error("could not alloc ieee80211_hw"); | |
c332a4b8 | 1997 | return ERR_PTR(-ENOMEM); |
f5fc0f86 LC |
1998 | } |
1999 | ||
2000 | wl = hw->priv; | |
2001 | memset(wl, 0, sizeof(*wl)); | |
2002 | ||
01c09162 JO |
2003 | INIT_LIST_HEAD(&wl->list); |
2004 | ||
f5fc0f86 | 2005 | wl->hw = hw; |
f5fc0f86 LC |
2006 | |
2007 | skb_queue_head_init(&wl->tx_queue); | |
2008 | ||
37b70a81 | 2009 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
f5fc0f86 | 2010 | wl->channel = WL1271_DEFAULT_CHANNEL; |
f5fc0f86 | 2011 | wl->default_key = 0; |
f5fc0f86 LC |
2012 | wl->rx_counter = 0; |
2013 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
2014 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
19ad0715 | 2015 | wl->psm_entry_retry = 0; |
f5fc0f86 | 2016 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
a6fe2313 | 2017 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
830fb67b JO |
2018 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
2019 | wl->sta_rate_set = 0; | |
8a5a37a6 | 2020 | wl->band = IEEE80211_BAND_2GHZ; |
b771eee5 | 2021 | wl->vif = NULL; |
830fb67b | 2022 | wl->flags = 0; |
f5fc0f86 | 2023 | |
be7078c2 | 2024 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
f5fc0f86 LC |
2025 | wl->tx_frames[i] = NULL; |
2026 | ||
2027 | spin_lock_init(&wl->wl_lock); | |
2028 | ||
f5fc0f86 LC |
2029 | wl->state = WL1271_STATE_OFF; |
2030 | mutex_init(&wl->mutex); | |
2031 | ||
c332a4b8 TP |
2032 | /* Apply default driver configuration. */ |
2033 | wl1271_conf_init(wl); | |
2034 | ||
2d5e82b8 TP |
2035 | wl1271_debugfs_init(wl); |
2036 | ||
c332a4b8 TP |
2037 | return hw; |
2038 | } | |
2039 | ||
2040 | int wl1271_free_hw(struct wl1271 *wl) | |
2041 | { | |
2042 | ieee80211_unregister_hw(wl->hw); | |
2043 | ||
2044 | wl1271_debugfs_exit(wl); | |
2045 | ||
2046 | kfree(wl->target_mem_map); | |
2047 | vfree(wl->fw); | |
2048 | wl->fw = NULL; | |
2049 | kfree(wl->nvs); | |
2050 | wl->nvs = NULL; | |
2051 | ||
2052 | kfree(wl->fw_status); | |
2053 | kfree(wl->tx_res_if); | |
2054 | ||
2055 | ieee80211_free_hw(wl->hw); | |
2056 | ||
2057 | return 0; | |
2058 | } |