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> | |
25 | #include <linux/platform_device.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/firmware.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/irq.h> | |
30 | #include <linux/spi/spi.h> | |
31 | #include <linux/crc32.h> | |
32 | #include <linux/etherdevice.h> | |
1fba4974 | 33 | #include <linux/vmalloc.h> |
f5fc0f86 | 34 | #include <linux/spi/wl12xx.h> |
01c09162 | 35 | #include <linux/inetdevice.h> |
f5fc0f86 LC |
36 | |
37 | #include "wl1271.h" | |
38 | #include "wl12xx_80211.h" | |
39 | #include "wl1271_reg.h" | |
40 | #include "wl1271_spi.h" | |
7b048c52 | 41 | #include "wl1271_io.h" |
f5fc0f86 LC |
42 | #include "wl1271_event.h" |
43 | #include "wl1271_tx.h" | |
44 | #include "wl1271_rx.h" | |
45 | #include "wl1271_ps.h" | |
46 | #include "wl1271_init.h" | |
47 | #include "wl1271_debugfs.h" | |
48 | #include "wl1271_cmd.h" | |
49 | #include "wl1271_boot.h" | |
c8c90873 | 50 | #include "wl1271_testmode.h" |
f5fc0f86 | 51 | |
9ccd9217 JO |
52 | #define WL1271_BOOT_RETRIES 3 |
53 | ||
8a08048a JO |
54 | static struct conf_drv_settings default_conf = { |
55 | .sg = { | |
56 | .per_threshold = 7500, | |
57 | .max_scan_compensation_time = 120000, | |
58 | .nfs_sample_interval = 400, | |
59 | .load_ratio = 50, | |
60 | .auto_ps_mode = 0, | |
61 | .probe_req_compensation = 170, | |
62 | .scan_window_compensation = 50, | |
63 | .antenna_config = 0, | |
64 | .beacon_miss_threshold = 60, | |
65 | .rate_adaptation_threshold = CONF_HW_BIT_RATE_12MBPS, | |
66 | .rate_adaptation_snr = 0 | |
67 | }, | |
68 | .rx = { | |
69 | .rx_msdu_life_time = 512000, | |
70 | .packet_detection_threshold = 0, | |
71 | .ps_poll_timeout = 15, | |
72 | .upsd_timeout = 15, | |
73 | .rts_threshold = 2347, | |
3ed8f2c6 LC |
74 | .rx_cca_threshold = 0, |
75 | .irq_blk_threshold = 0xFFFF, | |
76 | .irq_pkt_threshold = 0, | |
77 | .irq_timeout = 600, | |
8a08048a JO |
78 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
79 | }, | |
80 | .tx = { | |
81 | .tx_energy_detection = 0, | |
82 | .rc_conf = { | |
ec078d94 JO |
83 | .enabled_rates = CONF_HW_BIT_RATE_1MBPS | |
84 | CONF_HW_BIT_RATE_2MBPS, | |
8a08048a JO |
85 | .short_retry_limit = 10, |
86 | .long_retry_limit = 10, | |
87 | .aflags = 0 | |
45b531a8 | 88 | }, |
8a08048a JO |
89 | .ac_conf_count = 4, |
90 | .ac_conf = { | |
91 | [0] = { | |
92 | .ac = CONF_TX_AC_BE, | |
93 | .cw_min = 15, | |
94 | .cw_max = 63, | |
95 | .aifsn = 3, | |
96 | .tx_op_limit = 0, | |
45b531a8 | 97 | }, |
8a08048a JO |
98 | [1] = { |
99 | .ac = CONF_TX_AC_BK, | |
100 | .cw_min = 15, | |
101 | .cw_max = 63, | |
102 | .aifsn = 7, | |
103 | .tx_op_limit = 0, | |
45b531a8 | 104 | }, |
8a08048a JO |
105 | [2] = { |
106 | .ac = CONF_TX_AC_VI, | |
107 | .cw_min = 15, | |
108 | .cw_max = 63, | |
109 | .aifsn = CONF_TX_AIFS_PIFS, | |
110 | .tx_op_limit = 3008, | |
111 | }, | |
112 | [3] = { | |
113 | .ac = CONF_TX_AC_VO, | |
114 | .cw_min = 15, | |
115 | .cw_max = 63, | |
116 | .aifsn = CONF_TX_AIFS_PIFS, | |
117 | .tx_op_limit = 1504, | |
45b531a8 | 118 | }, |
51f2be24 | 119 | }, |
8a08048a JO |
120 | .tid_conf_count = 7, |
121 | .tid_conf = { | |
122 | [0] = { | |
123 | .queue_id = 0, | |
124 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
125 | .tsid = CONF_TX_AC_BE, | |
126 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
127 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
128 | .apsd_conf = {0, 0}, | |
129 | }, | |
130 | [1] = { | |
131 | .queue_id = 1, | |
132 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
133 | .tsid = CONF_TX_AC_BE, | |
134 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
135 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
136 | .apsd_conf = {0, 0}, | |
51f2be24 | 137 | }, |
8a08048a JO |
138 | [2] = { |
139 | .queue_id = 2, | |
140 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
141 | .tsid = CONF_TX_AC_BE, | |
142 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
143 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
144 | .apsd_conf = {0, 0}, | |
51f2be24 | 145 | }, |
8a08048a JO |
146 | [3] = { |
147 | .queue_id = 3, | |
148 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
149 | .tsid = CONF_TX_AC_BE, | |
150 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
151 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
152 | .apsd_conf = {0, 0}, | |
153 | }, | |
154 | [4] = { | |
155 | .queue_id = 4, | |
156 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
157 | .tsid = CONF_TX_AC_BE, | |
158 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
159 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
160 | .apsd_conf = {0, 0}, | |
161 | }, | |
162 | [5] = { | |
163 | .queue_id = 5, | |
164 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
165 | .tsid = CONF_TX_AC_BE, | |
166 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
167 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
168 | .apsd_conf = {0, 0}, | |
169 | }, | |
170 | [6] = { | |
171 | .queue_id = 6, | |
172 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
173 | .tsid = CONF_TX_AC_BE, | |
174 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
175 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
176 | .apsd_conf = {0, 0}, | |
177 | } | |
178 | }, | |
179 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, | |
3ed8f2c6 LC |
180 | .tx_compl_timeout = 700, |
181 | .tx_compl_threshold = 4 | |
8a08048a JO |
182 | }, |
183 | .conn = { | |
184 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, | |
185 | .listen_interval = 0, | |
186 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, | |
187 | .bcn_filt_ie_count = 1, | |
188 | .bcn_filt_ie = { | |
189 | [0] = { | |
190 | .ie = WLAN_EID_CHANNEL_SWITCH, | |
191 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, | |
51f2be24 | 192 | } |
47fab7d5 | 193 | }, |
3ed8f2c6 | 194 | .synch_fail_thold = 10, |
8a08048a JO |
195 | .bss_lose_timeout = 100, |
196 | .beacon_rx_timeout = 10000, | |
197 | .broadcast_timeout = 20000, | |
198 | .rx_broadcast_in_ps = 1, | |
3ed8f2c6 | 199 | .ps_poll_threshold = 20, |
8a08048a JO |
200 | .sig_trigger_count = 2, |
201 | .sig_trigger = { | |
202 | [0] = { | |
203 | .threshold = -75, | |
204 | .pacing = 500, | |
205 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
206 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
207 | .direction = CONF_TRIG_EVENT_DIR_LOW, | |
208 | .hysteresis = 2, | |
209 | .index = 0, | |
210 | .enable = 1 | |
47fab7d5 | 211 | }, |
8a08048a JO |
212 | [1] = { |
213 | .threshold = -75, | |
214 | .pacing = 500, | |
215 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
216 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
217 | .direction = CONF_TRIG_EVENT_DIR_HIGH, | |
218 | .hysteresis = 2, | |
219 | .index = 1, | |
220 | .enable = 1 | |
221 | } | |
222 | }, | |
223 | .sig_weights = { | |
224 | .rssi_bcn_avg_weight = 10, | |
225 | .rssi_pkt_avg_weight = 10, | |
226 | .snr_bcn_avg_weight = 10, | |
227 | .snr_pkt_avg_weight = 10 | |
11f70f97 JO |
228 | }, |
229 | .bet_enable = CONF_BET_MODE_ENABLE, | |
84502563 | 230 | .bet_max_consecutive = 10, |
19ad0715 | 231 | .psm_entry_retries = 3 |
8a08048a JO |
232 | }, |
233 | .init = { | |
8a08048a | 234 | .radioparam = { |
152ee6e0 | 235 | .fem = 1, |
2b60100b | 236 | } |
6e92b416 LC |
237 | }, |
238 | .itrim = { | |
239 | .enable = false, | |
240 | .timeout = 50000, | |
38ad2d87 JO |
241 | }, |
242 | .pm_config = { | |
243 | .host_clk_settling_time = 5000, | |
244 | .host_fast_wakeup_support = false | |
8a08048a JO |
245 | } |
246 | }; | |
247 | ||
01c09162 JO |
248 | static LIST_HEAD(wl_list); |
249 | ||
8a08048a JO |
250 | static void wl1271_conf_init(struct wl1271 *wl) |
251 | { | |
2b60100b JO |
252 | |
253 | /* | |
254 | * This function applies the default configuration to the driver. This | |
255 | * function is invoked upon driver load (spi probe.) | |
256 | * | |
257 | * The configuration is stored in a run-time structure in order to | |
258 | * facilitate for run-time adjustment of any of the parameters. Making | |
259 | * changes to the configuration structure will apply the new values on | |
260 | * the next interface up (wl1271_op_start.) | |
261 | */ | |
262 | ||
263 | /* apply driver default configuration */ | |
8a08048a | 264 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
2b60100b JO |
265 | } |
266 | ||
267 | ||
f5fc0f86 LC |
268 | static int wl1271_plt_init(struct wl1271 *wl) |
269 | { | |
12419cce LC |
270 | struct conf_tx_ac_category *conf_ac; |
271 | struct conf_tx_tid *conf_tid; | |
272 | int ret, i; | |
f5fc0f86 | 273 | |
98b5dd5d | 274 | ret = wl1271_cmd_general_parms(wl); |
4a90406b | 275 | if (ret < 0) |
cc7defa3 LC |
276 | return ret; |
277 | ||
98b5dd5d | 278 | ret = wl1271_cmd_radio_parms(wl); |
4a90406b | 279 | if (ret < 0) |
cc7defa3 LC |
280 | return ret; |
281 | ||
12419cce LC |
282 | ret = wl1271_init_templates_config(wl); |
283 | if (ret < 0) | |
284 | return ret; | |
285 | ||
f5fc0f86 LC |
286 | ret = wl1271_acx_init_mem_config(wl); |
287 | if (ret < 0) | |
288 | return ret; | |
289 | ||
12419cce LC |
290 | /* PHY layer config */ |
291 | ret = wl1271_init_phy_config(wl); | |
292 | if (ret < 0) | |
293 | goto out_free_memmap; | |
294 | ||
295 | ret = wl1271_acx_dco_itrim_params(wl); | |
296 | if (ret < 0) | |
297 | goto out_free_memmap; | |
298 | ||
299 | /* Initialize connection monitoring thresholds */ | |
300 | ret = wl1271_acx_conn_monit_params(wl); | |
301 | if (ret < 0) | |
302 | goto out_free_memmap; | |
303 | ||
304 | /* Bluetooth WLAN coexistence */ | |
305 | ret = wl1271_init_pta(wl); | |
306 | if (ret < 0) | |
307 | goto out_free_memmap; | |
308 | ||
309 | /* Energy detection */ | |
310 | ret = wl1271_init_energy_detection(wl); | |
311 | if (ret < 0) | |
312 | goto out_free_memmap; | |
313 | ||
314 | /* Default fragmentation threshold */ | |
315 | ret = wl1271_acx_frag_threshold(wl); | |
316 | if (ret < 0) | |
317 | goto out_free_memmap; | |
318 | ||
319 | /* Default TID configuration */ | |
320 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { | |
321 | conf_tid = &wl->conf.tx.tid_conf[i]; | |
322 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, | |
323 | conf_tid->channel_type, | |
324 | conf_tid->tsid, | |
325 | conf_tid->ps_scheme, | |
326 | conf_tid->ack_policy, | |
327 | conf_tid->apsd_conf[0], | |
328 | conf_tid->apsd_conf[1]); | |
329 | if (ret < 0) | |
330 | goto out_free_memmap; | |
331 | } | |
332 | ||
333 | /* Default AC configuration */ | |
334 | for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { | |
335 | conf_ac = &wl->conf.tx.ac_conf[i]; | |
336 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, | |
337 | conf_ac->cw_max, conf_ac->aifsn, | |
338 | conf_ac->tx_op_limit); | |
339 | if (ret < 0) | |
340 | goto out_free_memmap; | |
341 | } | |
342 | ||
343 | /* Enable data path */ | |
94210897 | 344 | ret = wl1271_cmd_data_path(wl, 1); |
f5fc0f86 | 345 | if (ret < 0) |
12419cce LC |
346 | goto out_free_memmap; |
347 | ||
348 | /* Configure for CAM power saving (ie. always active) */ | |
349 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); | |
350 | if (ret < 0) | |
351 | goto out_free_memmap; | |
352 | ||
353 | /* configure PM */ | |
354 | ret = wl1271_acx_pm_config(wl); | |
355 | if (ret < 0) | |
356 | goto out_free_memmap; | |
f5fc0f86 LC |
357 | |
358 | return 0; | |
12419cce LC |
359 | |
360 | out_free_memmap: | |
361 | kfree(wl->target_mem_map); | |
362 | wl->target_mem_map = NULL; | |
363 | ||
364 | return ret; | |
f5fc0f86 LC |
365 | } |
366 | ||
367 | static void wl1271_disable_interrupts(struct wl1271 *wl) | |
368 | { | |
369 | disable_irq(wl->irq); | |
370 | } | |
371 | ||
372 | static void wl1271_power_off(struct wl1271 *wl) | |
373 | { | |
374 | wl->set_power(false); | |
71449f8d | 375 | clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); |
f5fc0f86 LC |
376 | } |
377 | ||
378 | static void wl1271_power_on(struct wl1271 *wl) | |
379 | { | |
380 | wl->set_power(true); | |
71449f8d | 381 | set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); |
f5fc0f86 LC |
382 | } |
383 | ||
c15f63bf JO |
384 | static void wl1271_fw_status(struct wl1271 *wl, |
385 | struct wl1271_fw_status *status) | |
f5fc0f86 LC |
386 | { |
387 | u32 total = 0; | |
388 | int i; | |
389 | ||
7b048c52 | 390 | wl1271_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); |
f5fc0f86 LC |
391 | |
392 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " | |
393 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
394 | status->intr, | |
395 | status->fw_rx_counter, | |
396 | status->drv_rx_counter, | |
397 | status->tx_results_counter); | |
398 | ||
399 | /* update number of available TX blocks */ | |
400 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
d0f63b20 LC |
401 | u32 cnt = le32_to_cpu(status->tx_released_blks[i]) - |
402 | wl->tx_blocks_freed[i]; | |
403 | ||
404 | wl->tx_blocks_freed[i] = | |
405 | le32_to_cpu(status->tx_released_blks[i]); | |
f5fc0f86 LC |
406 | wl->tx_blocks_available += cnt; |
407 | total += cnt; | |
408 | } | |
409 | ||
410 | /* if more blocks are available now, schedule some tx work */ | |
411 | if (total && !skb_queue_empty(&wl->tx_queue)) | |
a64b07e8 | 412 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
413 | |
414 | /* update the host-chipset time offset */ | |
d0f63b20 LC |
415 | wl->time_offset = jiffies_to_usecs(jiffies) - |
416 | le32_to_cpu(status->fw_localtime); | |
f5fc0f86 LC |
417 | } |
418 | ||
f5fc0f86 LC |
419 | static void wl1271_irq_work(struct work_struct *work) |
420 | { | |
f5fc0f86 | 421 | int ret; |
c15f63bf | 422 | u32 intr; |
f5fc0f86 LC |
423 | struct wl1271 *wl = |
424 | container_of(work, struct wl1271, irq_work); | |
425 | ||
426 | mutex_lock(&wl->mutex); | |
427 | ||
428 | wl1271_debug(DEBUG_IRQ, "IRQ work"); | |
429 | ||
430 | if (wl->state == WL1271_STATE_OFF) | |
431 | goto out; | |
432 | ||
433 | ret = wl1271_ps_elp_wakeup(wl, true); | |
434 | if (ret < 0) | |
435 | goto out; | |
436 | ||
7b048c52 | 437 | wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); |
f5fc0f86 | 438 | |
c15f63bf | 439 | wl1271_fw_status(wl, wl->fw_status); |
d0f63b20 | 440 | intr = le32_to_cpu(wl->fw_status->intr); |
f5fc0f86 LC |
441 | if (!intr) { |
442 | wl1271_debug(DEBUG_IRQ, "Zero interrupt received."); | |
443 | goto out_sleep; | |
444 | } | |
445 | ||
446 | intr &= WL1271_INTR_MASK; | |
447 | ||
1fd2794f | 448 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
1fd2794f | 449 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); |
13f2dc52 | 450 | wl1271_event_handle(wl, 0); |
1fd2794f JO |
451 | } |
452 | ||
453 | if (intr & WL1271_ACX_INTR_EVENT_B) { | |
454 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
13f2dc52 | 455 | wl1271_event_handle(wl, 1); |
c15f63bf | 456 | } |
f5fc0f86 | 457 | |
c15f63bf JO |
458 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
459 | wl1271_debug(DEBUG_IRQ, | |
460 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 461 | |
c15f63bf JO |
462 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
463 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
f5fc0f86 | 464 | |
c15f63bf JO |
465 | if (intr & WL1271_ACX_INTR_DATA) { |
466 | u8 tx_res_cnt = wl->fw_status->tx_results_counter - | |
467 | wl->tx_results_count; | |
f5fc0f86 | 468 | |
c15f63bf | 469 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
f5fc0f86 | 470 | |
c15f63bf JO |
471 | /* check for tx results */ |
472 | if (tx_res_cnt) | |
473 | wl1271_tx_complete(wl, tx_res_cnt); | |
f5fc0f86 | 474 | |
c15f63bf JO |
475 | wl1271_rx(wl, wl->fw_status); |
476 | } | |
f5fc0f86 LC |
477 | |
478 | out_sleep: | |
7b048c52 TP |
479 | wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, |
480 | WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); | |
f5fc0f86 LC |
481 | wl1271_ps_elp_sleep(wl); |
482 | ||
483 | out: | |
484 | mutex_unlock(&wl->mutex); | |
485 | } | |
486 | ||
487 | static irqreturn_t wl1271_irq(int irq, void *cookie) | |
488 | { | |
489 | struct wl1271 *wl; | |
490 | unsigned long flags; | |
491 | ||
492 | wl1271_debug(DEBUG_IRQ, "IRQ"); | |
493 | ||
494 | wl = cookie; | |
495 | ||
496 | /* complete the ELP completion */ | |
497 | spin_lock_irqsave(&wl->wl_lock, flags); | |
498 | if (wl->elp_compl) { | |
499 | complete(wl->elp_compl); | |
500 | wl->elp_compl = NULL; | |
501 | } | |
502 | ||
a64b07e8 | 503 | ieee80211_queue_work(wl->hw, &wl->irq_work); |
f5fc0f86 LC |
504 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
505 | ||
506 | return IRQ_HANDLED; | |
507 | } | |
508 | ||
509 | static int wl1271_fetch_firmware(struct wl1271 *wl) | |
510 | { | |
511 | const struct firmware *fw; | |
512 | int ret; | |
513 | ||
514 | ret = request_firmware(&fw, WL1271_FW_NAME, &wl->spi->dev); | |
515 | ||
516 | if (ret < 0) { | |
517 | wl1271_error("could not get firmware: %d", ret); | |
518 | return ret; | |
519 | } | |
520 | ||
521 | if (fw->size % 4) { | |
522 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
523 | fw->size); | |
524 | ret = -EILSEQ; | |
525 | goto out; | |
526 | } | |
527 | ||
528 | wl->fw_len = fw->size; | |
1fba4974 | 529 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
530 | |
531 | if (!wl->fw) { | |
532 | wl1271_error("could not allocate memory for the firmware"); | |
533 | ret = -ENOMEM; | |
534 | goto out; | |
535 | } | |
536 | ||
537 | memcpy(wl->fw, fw->data, wl->fw_len); | |
538 | ||
539 | ret = 0; | |
540 | ||
541 | out: | |
542 | release_firmware(fw); | |
543 | ||
544 | return ret; | |
545 | } | |
546 | ||
7b21b6f8 JO |
547 | static int wl1271_update_mac_addr(struct wl1271 *wl) |
548 | { | |
549 | int ret = 0; | |
550 | u8 *nvs_ptr = (u8 *)wl->nvs->nvs; | |
551 | ||
552 | /* get mac address from the NVS */ | |
553 | wl->mac_addr[0] = nvs_ptr[11]; | |
554 | wl->mac_addr[1] = nvs_ptr[10]; | |
555 | wl->mac_addr[2] = nvs_ptr[6]; | |
556 | wl->mac_addr[3] = nvs_ptr[5]; | |
557 | wl->mac_addr[4] = nvs_ptr[4]; | |
558 | wl->mac_addr[5] = nvs_ptr[3]; | |
559 | ||
560 | /* FIXME: if it is a zero-address, we should bail out. Now, instead, | |
561 | we randomize an address */ | |
562 | if (is_zero_ether_addr(wl->mac_addr)) { | |
563 | static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; | |
564 | memcpy(wl->mac_addr, nokia_oui, 3); | |
565 | get_random_bytes(wl->mac_addr + 3, 3); | |
e2e77b5f JO |
566 | |
567 | /* update this address to the NVS */ | |
568 | nvs_ptr[11] = wl->mac_addr[0]; | |
569 | nvs_ptr[10] = wl->mac_addr[1]; | |
570 | nvs_ptr[6] = wl->mac_addr[2]; | |
571 | nvs_ptr[5] = wl->mac_addr[3]; | |
572 | nvs_ptr[4] = wl->mac_addr[4]; | |
573 | nvs_ptr[3] = wl->mac_addr[5]; | |
7b21b6f8 JO |
574 | } |
575 | ||
576 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); | |
577 | ||
578 | return ret; | |
579 | } | |
580 | ||
f5fc0f86 LC |
581 | static int wl1271_fetch_nvs(struct wl1271 *wl) |
582 | { | |
583 | const struct firmware *fw; | |
584 | int ret; | |
585 | ||
586 | ret = request_firmware(&fw, WL1271_NVS_NAME, &wl->spi->dev); | |
587 | ||
588 | if (ret < 0) { | |
589 | wl1271_error("could not get nvs file: %d", ret); | |
590 | return ret; | |
591 | } | |
592 | ||
152ee6e0 JO |
593 | if (fw->size != sizeof(struct wl1271_nvs_file)) { |
594 | wl1271_error("nvs size is not as expected: %zu != %zu", | |
595 | fw->size, sizeof(struct wl1271_nvs_file)); | |
f5fc0f86 LC |
596 | ret = -EILSEQ; |
597 | goto out; | |
598 | } | |
599 | ||
152ee6e0 | 600 | wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL); |
f5fc0f86 LC |
601 | |
602 | if (!wl->nvs) { | |
603 | wl1271_error("could not allocate memory for the nvs file"); | |
604 | ret = -ENOMEM; | |
605 | goto out; | |
606 | } | |
607 | ||
152ee6e0 | 608 | memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file)); |
f5fc0f86 | 609 | |
7b21b6f8 | 610 | ret = wl1271_update_mac_addr(wl); |
f5fc0f86 LC |
611 | |
612 | out: | |
613 | release_firmware(fw); | |
614 | ||
615 | return ret; | |
616 | } | |
617 | ||
618 | static void wl1271_fw_wakeup(struct wl1271 *wl) | |
619 | { | |
620 | u32 elp_reg; | |
621 | ||
622 | elp_reg = ELPCTRL_WAKE_UP; | |
74621417 | 623 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
f5fc0f86 LC |
624 | } |
625 | ||
626 | static int wl1271_setup(struct wl1271 *wl) | |
627 | { | |
628 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); | |
629 | if (!wl->fw_status) | |
630 | return -ENOMEM; | |
631 | ||
632 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); | |
633 | if (!wl->tx_res_if) { | |
634 | kfree(wl->fw_status); | |
635 | return -ENOMEM; | |
636 | } | |
637 | ||
638 | INIT_WORK(&wl->irq_work, wl1271_irq_work); | |
639 | INIT_WORK(&wl->tx_work, wl1271_tx_work); | |
640 | return 0; | |
641 | } | |
642 | ||
643 | static int wl1271_chip_wakeup(struct wl1271 *wl) | |
644 | { | |
451de97a | 645 | struct wl1271_partition_set partition; |
f5fc0f86 LC |
646 | int ret = 0; |
647 | ||
01ac17ec | 648 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
f5fc0f86 LC |
649 | wl1271_power_on(wl); |
650 | msleep(WL1271_POWER_ON_SLEEP); | |
9b280722 TP |
651 | wl1271_io_reset(wl); |
652 | wl1271_io_init(wl); | |
f5fc0f86 LC |
653 | |
654 | /* We don't need a real memory partition here, because we only want | |
655 | * to use the registers at this point. */ | |
451de97a JO |
656 | memset(&partition, 0, sizeof(partition)); |
657 | partition.reg.start = REGISTERS_BASE; | |
658 | partition.reg.size = REGISTERS_DOWN_SIZE; | |
659 | wl1271_set_partition(wl, &partition); | |
f5fc0f86 LC |
660 | |
661 | /* ELP module wake up */ | |
662 | wl1271_fw_wakeup(wl); | |
663 | ||
664 | /* whal_FwCtrl_BootSm() */ | |
665 | ||
666 | /* 0. read chip id from CHIP_ID */ | |
7b048c52 | 667 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
f5fc0f86 LC |
668 | |
669 | /* 1. check if chip id is valid */ | |
670 | ||
671 | switch (wl->chip.id) { | |
672 | case CHIP_ID_1271_PG10: | |
673 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", | |
674 | wl->chip.id); | |
675 | ||
676 | ret = wl1271_setup(wl); | |
677 | if (ret < 0) | |
9ccd9217 | 678 | goto out; |
f5fc0f86 LC |
679 | break; |
680 | case CHIP_ID_1271_PG20: | |
681 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", | |
682 | wl->chip.id); | |
683 | ||
684 | ret = wl1271_setup(wl); | |
685 | if (ret < 0) | |
9ccd9217 | 686 | goto out; |
f5fc0f86 LC |
687 | break; |
688 | default: | |
9ccd9217 | 689 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
f5fc0f86 | 690 | ret = -ENODEV; |
9ccd9217 | 691 | goto out; |
f5fc0f86 LC |
692 | } |
693 | ||
694 | if (wl->fw == NULL) { | |
695 | ret = wl1271_fetch_firmware(wl); | |
696 | if (ret < 0) | |
9ccd9217 | 697 | goto out; |
f5fc0f86 LC |
698 | } |
699 | ||
700 | /* No NVS from netlink, try to get it from the filesystem */ | |
701 | if (wl->nvs == NULL) { | |
702 | ret = wl1271_fetch_nvs(wl); | |
703 | if (ret < 0) | |
9ccd9217 | 704 | goto out; |
f5fc0f86 LC |
705 | } |
706 | ||
707 | out: | |
708 | return ret; | |
709 | } | |
710 | ||
f5fc0f86 LC |
711 | int wl1271_plt_start(struct wl1271 *wl) |
712 | { | |
9ccd9217 | 713 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
714 | int ret; |
715 | ||
716 | mutex_lock(&wl->mutex); | |
717 | ||
718 | wl1271_notice("power up"); | |
719 | ||
720 | if (wl->state != WL1271_STATE_OFF) { | |
721 | wl1271_error("cannot go into PLT state because not " | |
722 | "in off state: %d", wl->state); | |
723 | ret = -EBUSY; | |
724 | goto out; | |
725 | } | |
726 | ||
9ccd9217 JO |
727 | while (retries) { |
728 | retries--; | |
729 | ret = wl1271_chip_wakeup(wl); | |
730 | if (ret < 0) | |
731 | goto power_off; | |
f5fc0f86 | 732 | |
9ccd9217 JO |
733 | ret = wl1271_boot(wl); |
734 | if (ret < 0) | |
735 | goto power_off; | |
eb5b28d0 | 736 | |
9ccd9217 JO |
737 | ret = wl1271_plt_init(wl); |
738 | if (ret < 0) | |
739 | goto irq_disable; | |
bd5ea18f | 740 | |
9ccd9217 JO |
741 | wl->state = WL1271_STATE_PLT; |
742 | wl1271_notice("firmware booted in PLT mode (%s)", | |
743 | wl->chip.fw_ver); | |
744 | goto out; | |
eb5b28d0 | 745 | |
9ccd9217 JO |
746 | irq_disable: |
747 | wl1271_disable_interrupts(wl); | |
748 | mutex_unlock(&wl->mutex); | |
749 | /* Unlocking the mutex in the middle of handling is | |
750 | inherently unsafe. In this case we deem it safe to do, | |
751 | because we need to let any possibly pending IRQ out of | |
752 | the system (and while we are WL1271_STATE_OFF the IRQ | |
753 | work function will not do anything.) Also, any other | |
754 | possible concurrent operations will fail due to the | |
755 | current state, hence the wl1271 struct should be safe. */ | |
756 | cancel_work_sync(&wl->irq_work); | |
757 | mutex_lock(&wl->mutex); | |
758 | power_off: | |
759 | wl1271_power_off(wl); | |
760 | } | |
f5fc0f86 | 761 | |
9ccd9217 JO |
762 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
763 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
764 | out: |
765 | mutex_unlock(&wl->mutex); | |
766 | ||
767 | return ret; | |
768 | } | |
769 | ||
770 | int wl1271_plt_stop(struct wl1271 *wl) | |
771 | { | |
772 | int ret = 0; | |
773 | ||
774 | mutex_lock(&wl->mutex); | |
775 | ||
776 | wl1271_notice("power down"); | |
777 | ||
778 | if (wl->state != WL1271_STATE_PLT) { | |
779 | wl1271_error("cannot power down because not in PLT " | |
780 | "state: %d", wl->state); | |
781 | ret = -EBUSY; | |
782 | goto out; | |
783 | } | |
784 | ||
785 | wl1271_disable_interrupts(wl); | |
786 | wl1271_power_off(wl); | |
787 | ||
788 | wl->state = WL1271_STATE_OFF; | |
bd5ea18f | 789 | wl->rx_counter = 0; |
f5fc0f86 LC |
790 | |
791 | out: | |
792 | mutex_unlock(&wl->mutex); | |
793 | ||
794 | return ret; | |
795 | } | |
796 | ||
797 | ||
798 | static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) | |
799 | { | |
800 | struct wl1271 *wl = hw->priv; | |
830fb67b JO |
801 | struct ieee80211_conf *conf = &hw->conf; |
802 | struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); | |
803 | struct ieee80211_sta *sta = txinfo->control.sta; | |
804 | unsigned long flags; | |
f5fc0f86 | 805 | |
830fb67b JO |
806 | /* peek into the rates configured in the STA entry */ |
807 | spin_lock_irqsave(&wl->wl_lock, flags); | |
808 | if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) { | |
809 | wl->sta_rate_set = sta->supp_rates[conf->channel->band]; | |
810 | set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags); | |
811 | } | |
812 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
813 | ||
814 | /* queue the packet */ | |
f5fc0f86 LC |
815 | skb_queue_tail(&wl->tx_queue, skb); |
816 | ||
817 | /* | |
818 | * The chip specific setup must run before the first TX packet - | |
819 | * before that, the tx_work will not be initialized! | |
820 | */ | |
821 | ||
a64b07e8 | 822 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
823 | |
824 | /* | |
825 | * The workqueue is slow to process the tx_queue and we need stop | |
826 | * the queue here, otherwise the queue will get too long. | |
827 | */ | |
828 | if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_MAX_LENGTH) { | |
829 | ieee80211_stop_queues(wl->hw); | |
830 | ||
831 | /* | |
832 | * FIXME: this is racy, the variable is not properly | |
833 | * protected. Maybe fix this by removing the stupid | |
834 | * variable altogether and checking the real queue state? | |
835 | */ | |
71449f8d | 836 | set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); |
f5fc0f86 LC |
837 | } |
838 | ||
839 | return NETDEV_TX_OK; | |
840 | } | |
841 | ||
01c09162 JO |
842 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
843 | void *arg) | |
844 | { | |
845 | struct net_device *dev; | |
846 | struct wireless_dev *wdev; | |
847 | struct wiphy *wiphy; | |
848 | struct ieee80211_hw *hw; | |
849 | struct wl1271 *wl; | |
850 | struct wl1271 *wl_temp; | |
851 | struct in_device *idev; | |
852 | struct in_ifaddr *ifa = arg; | |
853 | int ret = 0; | |
854 | ||
855 | /* FIXME: this ugly function should probably be implemented in the | |
856 | * mac80211, and here should only be a simple callback handling actual | |
857 | * setting of the filters. Now we need to dig up references to | |
858 | * various structures to gain access to what we need. | |
859 | * Also, because of this, there is no "initial" setting of the filter | |
860 | * in "op_start", because we don't want to dig up struct net_device | |
861 | * there - the filter will be set upon first change of the interface | |
862 | * IP address. */ | |
863 | ||
864 | dev = ifa->ifa_dev->dev; | |
865 | ||
866 | wdev = dev->ieee80211_ptr; | |
867 | if (wdev == NULL) | |
17d7265c | 868 | return NOTIFY_DONE; |
01c09162 JO |
869 | |
870 | wiphy = wdev->wiphy; | |
871 | if (wiphy == NULL) | |
17d7265c | 872 | return NOTIFY_DONE; |
01c09162 JO |
873 | |
874 | hw = wiphy_priv(wiphy); | |
875 | if (hw == NULL) | |
17d7265c | 876 | return NOTIFY_DONE; |
01c09162 JO |
877 | |
878 | /* Check that the interface is one supported by this driver. */ | |
879 | wl_temp = hw->priv; | |
880 | list_for_each_entry(wl, &wl_list, list) { | |
881 | if (wl == wl_temp) | |
882 | break; | |
883 | } | |
884 | if (wl == NULL) | |
17d7265c | 885 | return NOTIFY_DONE; |
01c09162 JO |
886 | |
887 | /* Get the interface IP address for the device. "ifa" will become | |
888 | NULL if: | |
889 | - there is no IPV4 protocol address configured | |
890 | - there are multiple (virtual) IPV4 addresses configured | |
891 | When "ifa" is NULL, filtering will be disabled. | |
892 | */ | |
893 | ifa = NULL; | |
894 | idev = dev->ip_ptr; | |
895 | if (idev) | |
896 | ifa = idev->ifa_list; | |
897 | ||
898 | if (ifa && ifa->ifa_next) | |
899 | ifa = NULL; | |
900 | ||
901 | mutex_lock(&wl->mutex); | |
902 | ||
903 | if (wl->state == WL1271_STATE_OFF) | |
904 | goto out; | |
905 | ||
906 | ret = wl1271_ps_elp_wakeup(wl, false); | |
907 | if (ret < 0) | |
908 | goto out; | |
909 | if (ifa) | |
910 | ret = wl1271_acx_arp_ip_filter(wl, true, | |
911 | (u8 *)&ifa->ifa_address, | |
912 | ACX_IPV4_VERSION); | |
913 | else | |
914 | ret = wl1271_acx_arp_ip_filter(wl, false, NULL, | |
915 | ACX_IPV4_VERSION); | |
916 | wl1271_ps_elp_sleep(wl); | |
917 | ||
918 | out: | |
919 | mutex_unlock(&wl->mutex); | |
920 | ||
17d7265c | 921 | return NOTIFY_OK; |
01c09162 JO |
922 | } |
923 | ||
924 | static struct notifier_block wl1271_dev_notifier = { | |
925 | .notifier_call = wl1271_dev_notify, | |
926 | }; | |
927 | ||
928 | ||
f5fc0f86 LC |
929 | static int wl1271_op_start(struct ieee80211_hw *hw) |
930 | { | |
931 | struct wl1271 *wl = hw->priv; | |
9ccd9217 | 932 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
933 | int ret = 0; |
934 | ||
935 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
936 | ||
937 | mutex_lock(&wl->mutex); | |
938 | ||
939 | if (wl->state != WL1271_STATE_OFF) { | |
940 | wl1271_error("cannot start because not in off state: %d", | |
941 | wl->state); | |
942 | ret = -EBUSY; | |
943 | goto out; | |
944 | } | |
945 | ||
9ccd9217 JO |
946 | while (retries) { |
947 | retries--; | |
948 | ret = wl1271_chip_wakeup(wl); | |
949 | if (ret < 0) | |
950 | goto power_off; | |
f5fc0f86 | 951 | |
9ccd9217 JO |
952 | ret = wl1271_boot(wl); |
953 | if (ret < 0) | |
954 | goto power_off; | |
f5fc0f86 | 955 | |
9ccd9217 JO |
956 | ret = wl1271_hw_init(wl); |
957 | if (ret < 0) | |
958 | goto irq_disable; | |
f5fc0f86 | 959 | |
9ccd9217 JO |
960 | wl->state = WL1271_STATE_ON; |
961 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver); | |
962 | goto out; | |
eb5b28d0 | 963 | |
9ccd9217 JO |
964 | irq_disable: |
965 | wl1271_disable_interrupts(wl); | |
966 | mutex_unlock(&wl->mutex); | |
967 | /* Unlocking the mutex in the middle of handling is | |
968 | inherently unsafe. In this case we deem it safe to do, | |
969 | because we need to let any possibly pending IRQ out of | |
970 | the system (and while we are WL1271_STATE_OFF the IRQ | |
971 | work function will not do anything.) Also, any other | |
972 | possible concurrent operations will fail due to the | |
973 | current state, hence the wl1271 struct should be safe. */ | |
974 | cancel_work_sync(&wl->irq_work); | |
975 | mutex_lock(&wl->mutex); | |
976 | power_off: | |
977 | wl1271_power_off(wl); | |
978 | } | |
eb5b28d0 | 979 | |
9ccd9217 JO |
980 | wl1271_error("firmware boot failed despite %d retries", |
981 | WL1271_BOOT_RETRIES); | |
eb5b28d0 | 982 | out: |
f5fc0f86 LC |
983 | mutex_unlock(&wl->mutex); |
984 | ||
01c09162 JO |
985 | if (!ret) { |
986 | list_add(&wl->list, &wl_list); | |
987 | register_inetaddr_notifier(&wl1271_dev_notifier); | |
988 | } | |
989 | ||
f5fc0f86 LC |
990 | return ret; |
991 | } | |
992 | ||
993 | static void wl1271_op_stop(struct ieee80211_hw *hw) | |
994 | { | |
995 | struct wl1271 *wl = hw->priv; | |
996 | int i; | |
997 | ||
998 | wl1271_info("down"); | |
999 | ||
1000 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
1001 | ||
01c09162 JO |
1002 | unregister_inetaddr_notifier(&wl1271_dev_notifier); |
1003 | list_del(&wl->list); | |
1004 | ||
f5fc0f86 LC |
1005 | mutex_lock(&wl->mutex); |
1006 | ||
1007 | WARN_ON(wl->state != WL1271_STATE_ON); | |
1008 | ||
71449f8d | 1009 | if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) { |
f5fc0f86 LC |
1010 | mutex_unlock(&wl->mutex); |
1011 | ieee80211_scan_completed(wl->hw, true); | |
1012 | mutex_lock(&wl->mutex); | |
f5fc0f86 LC |
1013 | } |
1014 | ||
1015 | wl->state = WL1271_STATE_OFF; | |
1016 | ||
1017 | wl1271_disable_interrupts(wl); | |
1018 | ||
1019 | mutex_unlock(&wl->mutex); | |
1020 | ||
1021 | cancel_work_sync(&wl->irq_work); | |
1022 | cancel_work_sync(&wl->tx_work); | |
f5fc0f86 LC |
1023 | |
1024 | mutex_lock(&wl->mutex); | |
1025 | ||
1026 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
1027 | wl1271_tx_flush(wl); | |
1028 | wl1271_power_off(wl); | |
1029 | ||
1030 | memset(wl->bssid, 0, ETH_ALEN); | |
1031 | memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); | |
1032 | wl->ssid_len = 0; | |
f5fc0f86 | 1033 | wl->bss_type = MAX_BSS_TYPE; |
8a5a37a6 | 1034 | wl->band = IEEE80211_BAND_2GHZ; |
f5fc0f86 LC |
1035 | |
1036 | wl->rx_counter = 0; | |
19ad0715 | 1037 | wl->psm_entry_retry = 0; |
f5fc0f86 LC |
1038 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
1039 | wl->tx_blocks_available = 0; | |
1040 | wl->tx_results_count = 0; | |
1041 | wl->tx_packets_count = 0; | |
ac4e4ce5 JO |
1042 | wl->tx_security_last_seq = 0; |
1043 | wl->tx_security_seq_16 = 0; | |
1044 | wl->tx_security_seq_32 = 0; | |
f5fc0f86 LC |
1045 | wl->time_offset = 0; |
1046 | wl->session_counter = 0; | |
830fb67b JO |
1047 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1048 | wl->sta_rate_set = 0; | |
1049 | wl->flags = 0; | |
d6e19d13 | 1050 | |
f5fc0f86 LC |
1051 | for (i = 0; i < NUM_TX_QUEUES; i++) |
1052 | wl->tx_blocks_freed[i] = 0; | |
1053 | ||
1054 | wl1271_debugfs_reset(wl); | |
1055 | mutex_unlock(&wl->mutex); | |
1056 | } | |
1057 | ||
1058 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, | |
1ed32e4f | 1059 | struct ieee80211_vif *vif) |
f5fc0f86 LC |
1060 | { |
1061 | struct wl1271 *wl = hw->priv; | |
f5fc0f86 LC |
1062 | int ret = 0; |
1063 | ||
e5539bcb | 1064 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
1ed32e4f | 1065 | vif->type, vif->addr); |
f5fc0f86 LC |
1066 | |
1067 | mutex_lock(&wl->mutex); | |
b771eee5 JO |
1068 | if (wl->vif) { |
1069 | ret = -EBUSY; | |
1070 | goto out; | |
1071 | } | |
1072 | ||
1ed32e4f | 1073 | wl->vif = vif; |
f5fc0f86 | 1074 | |
1ed32e4f | 1075 | switch (vif->type) { |
f5fc0f86 LC |
1076 | case NL80211_IFTYPE_STATION: |
1077 | wl->bss_type = BSS_TYPE_STA_BSS; | |
1078 | break; | |
1079 | case NL80211_IFTYPE_ADHOC: | |
1080 | wl->bss_type = BSS_TYPE_IBSS; | |
1081 | break; | |
1082 | default: | |
1083 | ret = -EOPNOTSUPP; | |
1084 | goto out; | |
1085 | } | |
1086 | ||
1087 | /* FIXME: what if conf->mac_addr changes? */ | |
1088 | ||
1089 | out: | |
1090 | mutex_unlock(&wl->mutex); | |
1091 | return ret; | |
1092 | } | |
1093 | ||
1094 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, | |
1ed32e4f | 1095 | struct ieee80211_vif *vif) |
f5fc0f86 | 1096 | { |
b771eee5 JO |
1097 | struct wl1271 *wl = hw->priv; |
1098 | ||
1099 | mutex_lock(&wl->mutex); | |
f5fc0f86 | 1100 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
b771eee5 JO |
1101 | wl->vif = NULL; |
1102 | mutex_unlock(&wl->mutex); | |
f5fc0f86 LC |
1103 | } |
1104 | ||
1105 | #if 0 | |
1106 | static int wl1271_op_config_interface(struct ieee80211_hw *hw, | |
1107 | struct ieee80211_vif *vif, | |
1108 | struct ieee80211_if_conf *conf) | |
1109 | { | |
1110 | struct wl1271 *wl = hw->priv; | |
1111 | struct sk_buff *beacon; | |
f5fc0f86 LC |
1112 | int ret; |
1113 | ||
3264690b DM |
1114 | wl1271_debug(DEBUG_MAC80211, "mac80211 config_interface bssid %pM", |
1115 | conf->bssid); | |
f5fc0f86 LC |
1116 | wl1271_dump_ascii(DEBUG_MAC80211, "ssid: ", conf->ssid, |
1117 | conf->ssid_len); | |
1118 | ||
1119 | mutex_lock(&wl->mutex); | |
1120 | ||
1121 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1122 | if (ret < 0) | |
1123 | goto out; | |
1124 | ||
ae751bab LC |
1125 | if (memcmp(wl->bssid, conf->bssid, ETH_ALEN)) { |
1126 | wl1271_debug(DEBUG_MAC80211, "bssid changed"); | |
1127 | ||
1128 | memcpy(wl->bssid, conf->bssid, ETH_ALEN); | |
1129 | ||
1130 | ret = wl1271_cmd_join(wl); | |
1131 | if (ret < 0) | |
1132 | goto out_sleep; | |
f5fc0f86 | 1133 | |
c6317a54 JO |
1134 | ret = wl1271_cmd_build_null_data(wl); |
1135 | if (ret < 0) | |
1136 | goto out_sleep; | |
1137 | } | |
f5fc0f86 LC |
1138 | |
1139 | wl->ssid_len = conf->ssid_len; | |
1140 | if (wl->ssid_len) | |
1141 | memcpy(wl->ssid, conf->ssid, wl->ssid_len); | |
1142 | ||
f5fc0f86 LC |
1143 | if (conf->changed & IEEE80211_IFCC_BEACON) { |
1144 | beacon = ieee80211_beacon_get(hw, vif); | |
1145 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, | |
1146 | beacon->data, beacon->len); | |
1147 | ||
1148 | if (ret < 0) { | |
1149 | dev_kfree_skb(beacon); | |
1150 | goto out_sleep; | |
1151 | } | |
1152 | ||
1153 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, | |
1154 | beacon->data, beacon->len); | |
1155 | ||
1156 | dev_kfree_skb(beacon); | |
1157 | ||
f5fc0f86 LC |
1158 | if (ret < 0) |
1159 | goto out_sleep; | |
1160 | } | |
1161 | ||
1162 | out_sleep: | |
1163 | wl1271_ps_elp_sleep(wl); | |
1164 | ||
1165 | out: | |
1166 | mutex_unlock(&wl->mutex); | |
1167 | ||
1168 | return ret; | |
1169 | } | |
1170 | #endif | |
1171 | ||
c7f43e45 LC |
1172 | static int wl1271_join_channel(struct wl1271 *wl, int channel) |
1173 | { | |
e0d8bbf0 | 1174 | int ret = 0; |
c7f43e45 LC |
1175 | /* we need to use a dummy BSSID for now */ |
1176 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, | |
1177 | 0xad, 0xbe, 0xef }; | |
1178 | ||
e0d8bbf0 JO |
1179 | /* the dummy join is not required for ad-hoc */ |
1180 | if (wl->bss_type == BSS_TYPE_IBSS) | |
1181 | goto out; | |
1182 | ||
c7f43e45 LC |
1183 | /* disable mac filter, so we hear everything */ |
1184 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1185 | ||
1186 | wl->channel = channel; | |
1187 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); | |
1188 | ||
1189 | ret = wl1271_cmd_join(wl); | |
1190 | if (ret < 0) | |
1191 | goto out; | |
1192 | ||
71449f8d | 1193 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1194 | |
1195 | out: | |
1196 | return ret; | |
1197 | } | |
1198 | ||
1199 | static int wl1271_unjoin_channel(struct wl1271 *wl) | |
1200 | { | |
1201 | int ret; | |
1202 | ||
1203 | /* to stop listening to a channel, we disconnect */ | |
1204 | ret = wl1271_cmd_disconnect(wl); | |
1205 | if (ret < 0) | |
1206 | goto out; | |
1207 | ||
71449f8d | 1208 | clear_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1209 | wl->channel = 0; |
1210 | memset(wl->bssid, 0, ETH_ALEN); | |
1211 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
1212 | ||
1213 | out: | |
1214 | return ret; | |
1215 | } | |
1216 | ||
f5fc0f86 LC |
1217 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
1218 | { | |
1219 | struct wl1271 *wl = hw->priv; | |
1220 | struct ieee80211_conf *conf = &hw->conf; | |
1221 | int channel, ret = 0; | |
1222 | ||
1223 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
1224 | ||
c7f43e45 | 1225 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s", |
f5fc0f86 LC |
1226 | channel, |
1227 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", | |
c7f43e45 LC |
1228 | conf->power_level, |
1229 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use"); | |
f5fc0f86 LC |
1230 | |
1231 | mutex_lock(&wl->mutex); | |
1232 | ||
8a5a37a6 JO |
1233 | wl->band = conf->channel->band; |
1234 | ||
f5fc0f86 LC |
1235 | ret = wl1271_ps_elp_wakeup(wl, false); |
1236 | if (ret < 0) | |
1237 | goto out; | |
1238 | ||
c7f43e45 | 1239 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
71449f8d JO |
1240 | if (conf->flags & IEEE80211_CONF_IDLE && |
1241 | test_bit(WL1271_FLAG_JOINED, &wl->flags)) | |
c7f43e45 | 1242 | wl1271_unjoin_channel(wl); |
8f648c00 | 1243 | else if (!(conf->flags & IEEE80211_CONF_IDLE)) |
c7f43e45 | 1244 | wl1271_join_channel(wl, channel); |
a6fe2313 JO |
1245 | |
1246 | if (conf->flags & IEEE80211_CONF_IDLE) { | |
830fb67b JO |
1247 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1248 | wl->sta_rate_set = 0; | |
1249 | wl1271_acx_rate_policies(wl); | |
a6fe2313 | 1250 | } |
f5fc0f86 LC |
1251 | } |
1252 | ||
c7f43e45 | 1253 | /* if the channel changes while joined, join again */ |
ddb01a5b JO |
1254 | if (channel != wl->channel && |
1255 | test_bit(WL1271_FLAG_JOINED, &wl->flags)) { | |
1256 | wl->channel = channel; | |
1257 | /* FIXME: maybe use CMD_CHANNEL_SWITCH for this? */ | |
1258 | ret = wl1271_cmd_join(wl); | |
1259 | if (ret < 0) | |
1260 | wl1271_warning("cmd join to update channel failed %d", | |
1261 | ret); | |
1262 | } else | |
1263 | wl->channel = channel; | |
c7f43e45 | 1264 | |
71449f8d JO |
1265 | if (conf->flags & IEEE80211_CONF_PS && |
1266 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { | |
1267 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); | |
f5fc0f86 LC |
1268 | |
1269 | /* | |
1270 | * We enter PSM only if we're already associated. | |
1271 | * If we're not, we'll enter it when joining an SSID, | |
1272 | * through the bss_info_changed() hook. | |
1273 | */ | |
830fb67b | 1274 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
af5e084b | 1275 | wl1271_info("psm enabled"); |
d8c42c0c JO |
1276 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
1277 | true); | |
af5e084b | 1278 | } |
f5fc0f86 | 1279 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
71449f8d | 1280 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
f5fc0f86 LC |
1281 | wl1271_info("psm disabled"); |
1282 | ||
71449f8d | 1283 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
f5fc0f86 | 1284 | |
71449f8d | 1285 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
d8c42c0c JO |
1286 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
1287 | true); | |
f5fc0f86 LC |
1288 | } |
1289 | ||
1290 | if (conf->power_level != wl->power_level) { | |
1291 | ret = wl1271_acx_tx_power(wl, conf->power_level); | |
1292 | if (ret < 0) | |
c6317a54 | 1293 | goto out_sleep; |
f5fc0f86 LC |
1294 | |
1295 | wl->power_level = conf->power_level; | |
1296 | } | |
1297 | ||
1298 | out_sleep: | |
1299 | wl1271_ps_elp_sleep(wl); | |
1300 | ||
1301 | out: | |
1302 | mutex_unlock(&wl->mutex); | |
1303 | ||
1304 | return ret; | |
1305 | } | |
1306 | ||
b54853f1 JO |
1307 | struct wl1271_filter_params { |
1308 | bool enabled; | |
1309 | int mc_list_length; | |
1310 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
1311 | }; | |
1312 | ||
c87dec9f JO |
1313 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count, |
1314 | struct dev_addr_list *mc_list) | |
1315 | { | |
c87dec9f | 1316 | struct wl1271_filter_params *fp; |
c87dec9f JO |
1317 | int i; |
1318 | ||
74441130 | 1319 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
1320 | if (!fp) { |
1321 | wl1271_error("Out of memory setting filters."); | |
1322 | return 0; | |
1323 | } | |
1324 | ||
1325 | /* update multicast filtering parameters */ | |
b54853f1 | 1326 | fp->enabled = true; |
c87dec9f JO |
1327 | if (mc_count > ACX_MC_ADDRESS_GROUP_MAX) { |
1328 | mc_count = 0; | |
b54853f1 | 1329 | fp->enabled = false; |
c87dec9f JO |
1330 | } |
1331 | ||
1332 | fp->mc_list_length = 0; | |
1333 | for (i = 0; i < mc_count; i++) { | |
1334 | if (mc_list->da_addrlen == ETH_ALEN) { | |
1335 | memcpy(fp->mc_list[fp->mc_list_length], | |
1336 | mc_list->da_addr, ETH_ALEN); | |
1337 | fp->mc_list_length++; | |
1338 | } else | |
1339 | wl1271_warning("Unknown mc address length."); | |
74441130 | 1340 | mc_list = mc_list->next; |
c87dec9f JO |
1341 | } |
1342 | ||
b54853f1 | 1343 | return (u64)(unsigned long)fp; |
c87dec9f | 1344 | } |
f5fc0f86 | 1345 | |
b54853f1 JO |
1346 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
1347 | FIF_ALLMULTI | \ | |
1348 | FIF_FCSFAIL | \ | |
1349 | FIF_BCN_PRBRESP_PROMISC | \ | |
1350 | FIF_CONTROL | \ | |
1351 | FIF_OTHER_BSS) | |
1352 | ||
f5fc0f86 LC |
1353 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
1354 | unsigned int changed, | |
c87dec9f | 1355 | unsigned int *total, u64 multicast) |
f5fc0f86 | 1356 | { |
b54853f1 | 1357 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 1358 | struct wl1271 *wl = hw->priv; |
b54853f1 | 1359 | int ret; |
f5fc0f86 LC |
1360 | |
1361 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter"); | |
1362 | ||
b54853f1 JO |
1363 | mutex_lock(&wl->mutex); |
1364 | ||
1365 | if (wl->state == WL1271_STATE_OFF) | |
1366 | goto out; | |
1367 | ||
1368 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1369 | if (ret < 0) | |
1370 | goto out; | |
1371 | ||
f5fc0f86 LC |
1372 | *total &= WL1271_SUPPORTED_FILTERS; |
1373 | changed &= WL1271_SUPPORTED_FILTERS; | |
1374 | ||
b54853f1 JO |
1375 | if (*total & FIF_ALLMULTI) |
1376 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); | |
1377 | else if (fp) | |
1378 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, | |
1379 | fp->mc_list, | |
1380 | fp->mc_list_length); | |
1381 | if (ret < 0) | |
1382 | goto out_sleep; | |
f5fc0f86 | 1383 | |
b54853f1 JO |
1384 | kfree(fp); |
1385 | ||
1386 | /* FIXME: We still need to set our filters properly */ | |
c87dec9f | 1387 | |
b54853f1 JO |
1388 | /* determine, whether supported filter values have changed */ |
1389 | if (changed == 0) | |
1390 | goto out_sleep; | |
c87dec9f | 1391 | |
b54853f1 JO |
1392 | /* apply configured filters */ |
1393 | ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); | |
1394 | if (ret < 0) | |
1395 | goto out_sleep; | |
1396 | ||
1397 | out_sleep: | |
1398 | wl1271_ps_elp_sleep(wl); | |
1399 | ||
1400 | out: | |
1401 | mutex_unlock(&wl->mutex); | |
f5fc0f86 LC |
1402 | } |
1403 | ||
1404 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
1405 | struct ieee80211_vif *vif, | |
1406 | struct ieee80211_sta *sta, | |
1407 | struct ieee80211_key_conf *key_conf) | |
1408 | { | |
1409 | struct wl1271 *wl = hw->priv; | |
1410 | const u8 *addr; | |
1411 | int ret; | |
ac4e4ce5 JO |
1412 | u32 tx_seq_32 = 0; |
1413 | u16 tx_seq_16 = 0; | |
f5fc0f86 LC |
1414 | u8 key_type; |
1415 | ||
1416 | static const u8 bcast_addr[ETH_ALEN] = | |
1417 | { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
1418 | ||
1419 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); | |
1420 | ||
1421 | addr = sta ? sta->addr : bcast_addr; | |
1422 | ||
1423 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); | |
1424 | wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); | |
1425 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", | |
1426 | key_conf->alg, key_conf->keyidx, | |
1427 | key_conf->keylen, key_conf->flags); | |
1428 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
1429 | ||
1430 | if (is_zero_ether_addr(addr)) { | |
1431 | /* We dont support TX only encryption */ | |
1432 | ret = -EOPNOTSUPP; | |
1433 | goto out; | |
1434 | } | |
1435 | ||
1436 | mutex_lock(&wl->mutex); | |
1437 | ||
1438 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1439 | if (ret < 0) | |
1440 | goto out_unlock; | |
1441 | ||
1442 | switch (key_conf->alg) { | |
1443 | case ALG_WEP: | |
1444 | key_type = KEY_WEP; | |
1445 | ||
1446 | key_conf->hw_key_idx = key_conf->keyidx; | |
1447 | break; | |
1448 | case ALG_TKIP: | |
1449 | key_type = KEY_TKIP; | |
1450 | ||
1451 | key_conf->hw_key_idx = key_conf->keyidx; | |
ac4e4ce5 JO |
1452 | tx_seq_32 = wl->tx_security_seq_32; |
1453 | tx_seq_16 = wl->tx_security_seq_16; | |
f5fc0f86 LC |
1454 | break; |
1455 | case ALG_CCMP: | |
1456 | key_type = KEY_AES; | |
1457 | ||
1458 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
ac4e4ce5 JO |
1459 | tx_seq_32 = wl->tx_security_seq_32; |
1460 | tx_seq_16 = wl->tx_security_seq_16; | |
f5fc0f86 LC |
1461 | break; |
1462 | default: | |
1463 | wl1271_error("Unknown key algo 0x%x", key_conf->alg); | |
1464 | ||
1465 | ret = -EOPNOTSUPP; | |
1466 | goto out_sleep; | |
1467 | } | |
1468 | ||
1469 | switch (cmd) { | |
1470 | case SET_KEY: | |
1471 | ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE, | |
1472 | key_conf->keyidx, key_type, | |
1473 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1474 | addr, tx_seq_32, tx_seq_16); |
f5fc0f86 LC |
1475 | if (ret < 0) { |
1476 | wl1271_error("Could not add or replace key"); | |
1477 | goto out_sleep; | |
1478 | } | |
ee444cf0 JO |
1479 | |
1480 | /* the default WEP key needs to be configured at least once */ | |
1481 | if (key_type == KEY_WEP) { | |
1482 | ret = wl1271_cmd_set_default_wep_key(wl, | |
1483 | wl->default_key); | |
1484 | if (ret < 0) | |
1485 | goto out_sleep; | |
1486 | } | |
f5fc0f86 LC |
1487 | break; |
1488 | ||
1489 | case DISABLE_KEY: | |
fddc7dd7 JO |
1490 | /* The wl1271 does not allow to remove unicast keys - they |
1491 | will be cleared automatically on next CMD_JOIN. Ignore the | |
1492 | request silently, as we dont want the mac80211 to emit | |
1493 | an error message. */ | |
1494 | if (!is_broadcast_ether_addr(addr)) | |
1495 | break; | |
1496 | ||
f5fc0f86 LC |
1497 | ret = wl1271_cmd_set_key(wl, KEY_REMOVE, |
1498 | key_conf->keyidx, key_type, | |
1499 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1500 | addr, 0, 0); |
f5fc0f86 LC |
1501 | if (ret < 0) { |
1502 | wl1271_error("Could not remove key"); | |
1503 | goto out_sleep; | |
1504 | } | |
1505 | break; | |
1506 | ||
1507 | default: | |
1508 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
1509 | ret = -EOPNOTSUPP; | |
1510 | goto out_sleep; | |
1511 | ||
1512 | break; | |
1513 | } | |
1514 | ||
1515 | out_sleep: | |
1516 | wl1271_ps_elp_sleep(wl); | |
1517 | ||
1518 | out_unlock: | |
1519 | mutex_unlock(&wl->mutex); | |
1520 | ||
1521 | out: | |
1522 | return ret; | |
1523 | } | |
1524 | ||
1525 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, | |
1526 | struct cfg80211_scan_request *req) | |
1527 | { | |
1528 | struct wl1271 *wl = hw->priv; | |
1529 | int ret; | |
1530 | u8 *ssid = NULL; | |
abb0b3bf | 1531 | size_t len = 0; |
f5fc0f86 LC |
1532 | |
1533 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
1534 | ||
1535 | if (req->n_ssids) { | |
1536 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 1537 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
1538 | } |
1539 | ||
1540 | mutex_lock(&wl->mutex); | |
1541 | ||
1542 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1543 | if (ret < 0) | |
1544 | goto out; | |
1545 | ||
abb0b3bf TP |
1546 | if (wl1271_11a_enabled()) |
1547 | ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0, | |
1548 | WL1271_SCAN_BAND_DUAL, 3); | |
1549 | else | |
1550 | ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0, | |
1551 | WL1271_SCAN_BAND_2_4_GHZ, 3); | |
f5fc0f86 LC |
1552 | |
1553 | wl1271_ps_elp_sleep(wl); | |
1554 | ||
1555 | out: | |
1556 | mutex_unlock(&wl->mutex); | |
1557 | ||
1558 | return ret; | |
1559 | } | |
1560 | ||
1561 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
1562 | { | |
1563 | struct wl1271 *wl = hw->priv; | |
1564 | int ret; | |
1565 | ||
1566 | mutex_lock(&wl->mutex); | |
1567 | ||
1568 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1569 | if (ret < 0) | |
1570 | goto out; | |
1571 | ||
1572 | ret = wl1271_acx_rts_threshold(wl, (u16) value); | |
1573 | if (ret < 0) | |
1574 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); | |
1575 | ||
1576 | wl1271_ps_elp_sleep(wl); | |
1577 | ||
1578 | out: | |
1579 | mutex_unlock(&wl->mutex); | |
1580 | ||
1581 | return ret; | |
1582 | } | |
1583 | ||
30240fc7 JO |
1584 | static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon) |
1585 | { | |
1586 | u8 *ptr = beacon->data + | |
1587 | offsetof(struct ieee80211_mgmt, u.beacon.variable); | |
1588 | ||
1589 | /* find the location of the ssid in the beacon */ | |
1590 | while (ptr < beacon->data + beacon->len) { | |
1591 | if (ptr[0] == WLAN_EID_SSID) { | |
1592 | wl->ssid_len = ptr[1]; | |
1593 | memcpy(wl->ssid, ptr+2, wl->ssid_len); | |
1594 | return; | |
1595 | } | |
1596 | ptr += ptr[1]; | |
1597 | } | |
1598 | wl1271_error("ad-hoc beacon template has no SSID!\n"); | |
1599 | } | |
1600 | ||
f5fc0f86 LC |
1601 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
1602 | struct ieee80211_vif *vif, | |
1603 | struct ieee80211_bss_conf *bss_conf, | |
1604 | u32 changed) | |
1605 | { | |
1606 | enum wl1271_cmd_ps_mode mode; | |
1607 | struct wl1271 *wl = hw->priv; | |
8bf29b0e | 1608 | bool do_join = false; |
f5fc0f86 LC |
1609 | int ret; |
1610 | ||
1611 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed"); | |
1612 | ||
1613 | mutex_lock(&wl->mutex); | |
1614 | ||
1615 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1616 | if (ret < 0) | |
1617 | goto out; | |
1618 | ||
e0d8bbf0 JO |
1619 | if (wl->bss_type == BSS_TYPE_IBSS) { |
1620 | /* FIXME: This implements rudimentary ad-hoc support - | |
1621 | proper templates are on the wish list and notification | |
1622 | on when they change. This patch will update the templates | |
30240fc7 | 1623 | on every call to this function. */ |
e0d8bbf0 JO |
1624 | struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); |
1625 | ||
1626 | if (beacon) { | |
1627 | struct ieee80211_hdr *hdr; | |
30240fc7 JO |
1628 | |
1629 | wl1271_ssid_set(wl, beacon); | |
e0d8bbf0 JO |
1630 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, |
1631 | beacon->data, | |
1632 | beacon->len); | |
1633 | ||
1634 | if (ret < 0) { | |
1635 | dev_kfree_skb(beacon); | |
1636 | goto out_sleep; | |
1637 | } | |
1638 | ||
1639 | hdr = (struct ieee80211_hdr *) beacon->data; | |
1640 | hdr->frame_control = cpu_to_le16( | |
1641 | IEEE80211_FTYPE_MGMT | | |
1642 | IEEE80211_STYPE_PROBE_RESP); | |
1643 | ||
1644 | ret = wl1271_cmd_template_set(wl, | |
1645 | CMD_TEMPL_PROBE_RESPONSE, | |
1646 | beacon->data, | |
1647 | beacon->len); | |
1648 | dev_kfree_skb(beacon); | |
1649 | if (ret < 0) | |
1650 | goto out_sleep; | |
8bf29b0e JO |
1651 | |
1652 | /* Need to update the SSID (for filtering etc) */ | |
1653 | do_join = true; | |
e0d8bbf0 JO |
1654 | } |
1655 | } | |
1656 | ||
30240fc7 JO |
1657 | if ((changed & BSS_CHANGED_BSSID) && |
1658 | /* | |
1659 | * Now we know the correct bssid, so we send a new join command | |
1660 | * and enable the BSSID filter | |
1661 | */ | |
1662 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { | |
1663 | wl->rx_config |= CFG_BSSID_FILTER_EN; | |
1664 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); | |
1665 | ret = wl1271_cmd_build_null_data(wl); | |
1666 | if (ret < 0) { | |
1667 | wl1271_warning("cmd buld null data failed %d", | |
1668 | ret); | |
1669 | goto out_sleep; | |
1670 | } | |
1671 | ||
8bf29b0e JO |
1672 | /* Need to update the BSSID (for filtering etc) */ |
1673 | do_join = true; | |
30240fc7 JO |
1674 | } |
1675 | ||
f5fc0f86 LC |
1676 | if (changed & BSS_CHANGED_ASSOC) { |
1677 | if (bss_conf->assoc) { | |
1678 | wl->aid = bss_conf->aid; | |
830fb67b | 1679 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
f5fc0f86 | 1680 | |
ae751bab LC |
1681 | /* |
1682 | * with wl1271, we don't need to update the | |
1683 | * beacon_int and dtim_period, because the firmware | |
1684 | * updates it by itself when the first beacon is | |
1685 | * received after a join. | |
1686 | */ | |
f5fc0f86 LC |
1687 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
1688 | if (ret < 0) | |
1689 | goto out_sleep; | |
1690 | ||
1691 | ret = wl1271_acx_aid(wl, wl->aid); | |
1692 | if (ret < 0) | |
1693 | goto out_sleep; | |
1694 | ||
1695 | /* If we want to go in PSM but we're not there yet */ | |
71449f8d JO |
1696 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
1697 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { | |
f5fc0f86 | 1698 | mode = STATION_POWER_SAVE_MODE; |
d8c42c0c | 1699 | ret = wl1271_ps_set_mode(wl, mode, true); |
f5fc0f86 LC |
1700 | if (ret < 0) |
1701 | goto out_sleep; | |
1702 | } | |
d94cd297 JO |
1703 | } else { |
1704 | /* use defaults when not associated */ | |
830fb67b | 1705 | clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
d94cd297 | 1706 | wl->aid = 0; |
f5fc0f86 | 1707 | } |
d94cd297 | 1708 | |
f5fc0f86 | 1709 | } |
8a5a37a6 | 1710 | |
f5fc0f86 LC |
1711 | if (changed & BSS_CHANGED_ERP_SLOT) { |
1712 | if (bss_conf->use_short_slot) | |
1713 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); | |
1714 | else | |
1715 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); | |
1716 | if (ret < 0) { | |
1717 | wl1271_warning("Set slot time failed %d", ret); | |
1718 | goto out_sleep; | |
1719 | } | |
1720 | } | |
1721 | ||
1722 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
1723 | if (bss_conf->use_short_preamble) | |
1724 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); | |
1725 | else | |
1726 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); | |
1727 | } | |
1728 | ||
1729 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
1730 | if (bss_conf->use_cts_prot) | |
1731 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); | |
1732 | else | |
1733 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); | |
1734 | if (ret < 0) { | |
1735 | wl1271_warning("Set ctsprotect failed %d", ret); | |
1736 | goto out_sleep; | |
1737 | } | |
1738 | } | |
1739 | ||
8bf29b0e JO |
1740 | if (do_join) { |
1741 | ret = wl1271_cmd_join(wl); | |
1742 | if (ret < 0) { | |
1743 | wl1271_warning("cmd join failed %d", ret); | |
1744 | goto out_sleep; | |
1745 | } | |
1746 | set_bit(WL1271_FLAG_JOINED, &wl->flags); | |
1747 | } | |
1748 | ||
f5fc0f86 LC |
1749 | out_sleep: |
1750 | wl1271_ps_elp_sleep(wl); | |
1751 | ||
1752 | out: | |
1753 | mutex_unlock(&wl->mutex); | |
1754 | } | |
1755 | ||
c6999d83 KV |
1756 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
1757 | const struct ieee80211_tx_queue_params *params) | |
1758 | { | |
1759 | struct wl1271 *wl = hw->priv; | |
1760 | int ret; | |
1761 | ||
1762 | mutex_lock(&wl->mutex); | |
1763 | ||
1764 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
1765 | ||
c82c1dde KV |
1766 | ret = wl1271_ps_elp_wakeup(wl, false); |
1767 | if (ret < 0) | |
1768 | goto out; | |
1769 | ||
c6999d83 KV |
1770 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), |
1771 | params->cw_min, params->cw_max, | |
1772 | params->aifs, params->txop); | |
1773 | if (ret < 0) | |
c82c1dde | 1774 | goto out_sleep; |
c6999d83 KV |
1775 | |
1776 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), | |
1777 | CONF_CHANNEL_TYPE_EDCF, | |
1778 | wl1271_tx_get_queue(queue), | |
1779 | CONF_PS_SCHEME_LEGACY_PSPOLL, | |
1780 | CONF_ACK_POLICY_LEGACY, 0, 0); | |
1781 | if (ret < 0) | |
c82c1dde KV |
1782 | goto out_sleep; |
1783 | ||
1784 | out_sleep: | |
1785 | wl1271_ps_elp_sleep(wl); | |
c6999d83 KV |
1786 | |
1787 | out: | |
1788 | mutex_unlock(&wl->mutex); | |
1789 | ||
1790 | return ret; | |
1791 | } | |
1792 | ||
f5fc0f86 LC |
1793 | |
1794 | /* can't be const, mac80211 writes to this */ | |
1795 | static struct ieee80211_rate wl1271_rates[] = { | |
1796 | { .bitrate = 10, | |
2b60100b JO |
1797 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
1798 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 1799 | { .bitrate = 20, |
2b60100b JO |
1800 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
1801 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
1802 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1803 | { .bitrate = 55, | |
2b60100b JO |
1804 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
1805 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
1806 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1807 | { .bitrate = 110, | |
2b60100b JO |
1808 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
1809 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
1810 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1811 | { .bitrate = 60, | |
2b60100b JO |
1812 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
1813 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 1814 | { .bitrate = 90, |
2b60100b JO |
1815 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
1816 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 1817 | { .bitrate = 120, |
2b60100b JO |
1818 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
1819 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 1820 | { .bitrate = 180, |
2b60100b JO |
1821 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
1822 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 1823 | { .bitrate = 240, |
2b60100b JO |
1824 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
1825 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 1826 | { .bitrate = 360, |
2b60100b JO |
1827 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
1828 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 1829 | { .bitrate = 480, |
2b60100b JO |
1830 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
1831 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 1832 | { .bitrate = 540, |
2b60100b JO |
1833 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
1834 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
1835 | }; |
1836 | ||
1837 | /* can't be const, mac80211 writes to this */ | |
1838 | static struct ieee80211_channel wl1271_channels[] = { | |
a2d0e3f1 LC |
1839 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
1840 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, | |
1841 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, | |
1842 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, | |
1843 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, | |
1844 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, | |
1845 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, | |
1846 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, | |
1847 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, | |
1848 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, | |
1849 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, | |
1850 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, | |
1851 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, | |
f5fc0f86 LC |
1852 | }; |
1853 | ||
1854 | /* can't be const, mac80211 writes to this */ | |
1855 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
1856 | .channels = wl1271_channels, | |
1857 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
1858 | .bitrates = wl1271_rates, | |
1859 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
1860 | }; | |
1861 | ||
1ebec3d7 TP |
1862 | /* 5 GHz data rates for WL1273 */ |
1863 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
1864 | { .bitrate = 60, | |
1865 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
1866 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
1867 | { .bitrate = 90, | |
1868 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
1869 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
1870 | { .bitrate = 120, | |
1871 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
1872 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
1873 | { .bitrate = 180, | |
1874 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
1875 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
1876 | { .bitrate = 240, | |
1877 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
1878 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
1879 | { .bitrate = 360, | |
1880 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
1881 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
1882 | { .bitrate = 480, | |
1883 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
1884 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
1885 | { .bitrate = 540, | |
1886 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
1887 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
1888 | }; | |
1889 | ||
1890 | /* 5 GHz band channels for WL1273 */ | |
1891 | static struct ieee80211_channel wl1271_channels_5ghz[] = { | |
1892 | { .hw_value = 183, .center_freq = 4915}, | |
1893 | { .hw_value = 184, .center_freq = 4920}, | |
1894 | { .hw_value = 185, .center_freq = 4925}, | |
1895 | { .hw_value = 187, .center_freq = 4935}, | |
1896 | { .hw_value = 188, .center_freq = 4940}, | |
1897 | { .hw_value = 189, .center_freq = 4945}, | |
1898 | { .hw_value = 192, .center_freq = 4960}, | |
1899 | { .hw_value = 196, .center_freq = 4980}, | |
1900 | { .hw_value = 7, .center_freq = 5035}, | |
1901 | { .hw_value = 8, .center_freq = 5040}, | |
1902 | { .hw_value = 9, .center_freq = 5045}, | |
1903 | { .hw_value = 11, .center_freq = 5055}, | |
1904 | { .hw_value = 12, .center_freq = 5060}, | |
1905 | { .hw_value = 16, .center_freq = 5080}, | |
1906 | { .hw_value = 34, .center_freq = 5170}, | |
1907 | { .hw_value = 36, .center_freq = 5180}, | |
1908 | { .hw_value = 38, .center_freq = 5190}, | |
1909 | { .hw_value = 40, .center_freq = 5200}, | |
1910 | { .hw_value = 42, .center_freq = 5210}, | |
1911 | { .hw_value = 44, .center_freq = 5220}, | |
1912 | { .hw_value = 46, .center_freq = 5230}, | |
1913 | { .hw_value = 48, .center_freq = 5240}, | |
1914 | { .hw_value = 52, .center_freq = 5260}, | |
1915 | { .hw_value = 56, .center_freq = 5280}, | |
1916 | { .hw_value = 60, .center_freq = 5300}, | |
1917 | { .hw_value = 64, .center_freq = 5320}, | |
1918 | { .hw_value = 100, .center_freq = 5500}, | |
1919 | { .hw_value = 104, .center_freq = 5520}, | |
1920 | { .hw_value = 108, .center_freq = 5540}, | |
1921 | { .hw_value = 112, .center_freq = 5560}, | |
1922 | { .hw_value = 116, .center_freq = 5580}, | |
1923 | { .hw_value = 120, .center_freq = 5600}, | |
1924 | { .hw_value = 124, .center_freq = 5620}, | |
1925 | { .hw_value = 128, .center_freq = 5640}, | |
1926 | { .hw_value = 132, .center_freq = 5660}, | |
1927 | { .hw_value = 136, .center_freq = 5680}, | |
1928 | { .hw_value = 140, .center_freq = 5700}, | |
1929 | { .hw_value = 149, .center_freq = 5745}, | |
1930 | { .hw_value = 153, .center_freq = 5765}, | |
1931 | { .hw_value = 157, .center_freq = 5785}, | |
1932 | { .hw_value = 161, .center_freq = 5805}, | |
1933 | { .hw_value = 165, .center_freq = 5825}, | |
1934 | }; | |
1935 | ||
1936 | ||
1937 | static struct ieee80211_supported_band wl1271_band_5ghz = { | |
1938 | .channels = wl1271_channels_5ghz, | |
1939 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
1940 | .bitrates = wl1271_rates_5ghz, | |
1941 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
1942 | }; | |
1943 | ||
f5fc0f86 LC |
1944 | static const struct ieee80211_ops wl1271_ops = { |
1945 | .start = wl1271_op_start, | |
1946 | .stop = wl1271_op_stop, | |
1947 | .add_interface = wl1271_op_add_interface, | |
1948 | .remove_interface = wl1271_op_remove_interface, | |
1949 | .config = wl1271_op_config, | |
1950 | /* .config_interface = wl1271_op_config_interface, */ | |
c87dec9f | 1951 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
1952 | .configure_filter = wl1271_op_configure_filter, |
1953 | .tx = wl1271_op_tx, | |
1954 | .set_key = wl1271_op_set_key, | |
1955 | .hw_scan = wl1271_op_hw_scan, | |
1956 | .bss_info_changed = wl1271_op_bss_info_changed, | |
1957 | .set_rts_threshold = wl1271_op_set_rts_threshold, | |
c6999d83 | 1958 | .conf_tx = wl1271_op_conf_tx, |
c8c90873 | 1959 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
1960 | }; |
1961 | ||
1962 | static int wl1271_register_hw(struct wl1271 *wl) | |
1963 | { | |
1964 | int ret; | |
1965 | ||
1966 | if (wl->mac80211_registered) | |
1967 | return 0; | |
1968 | ||
1969 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); | |
1970 | ||
1971 | ret = ieee80211_register_hw(wl->hw); | |
1972 | if (ret < 0) { | |
1973 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
1974 | return ret; | |
1975 | } | |
1976 | ||
1977 | wl->mac80211_registered = true; | |
1978 | ||
1979 | wl1271_notice("loaded"); | |
1980 | ||
1981 | return 0; | |
1982 | } | |
1983 | ||
1984 | static int wl1271_init_ieee80211(struct wl1271 *wl) | |
1985 | { | |
1e2b7976 JO |
1986 | /* The tx descriptor buffer and the TKIP space. */ |
1987 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + | |
1988 | sizeof(struct wl1271_tx_hw_descr); | |
f5fc0f86 LC |
1989 | |
1990 | /* unit us */ | |
1991 | /* FIXME: find a proper value */ | |
1992 | wl->hw->channel_change_time = 10000; | |
1993 | ||
1994 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
1922167b | 1995 | IEEE80211_HW_NOISE_DBM | |
03442a33 JO |
1996 | IEEE80211_HW_BEACON_FILTER | |
1997 | IEEE80211_HW_SUPPORTS_PS; | |
f5fc0f86 | 1998 | |
e0d8bbf0 JO |
1999 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
2000 | BIT(NL80211_IFTYPE_ADHOC); | |
f5fc0f86 LC |
2001 | wl->hw->wiphy->max_scan_ssids = 1; |
2002 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz; | |
2003 | ||
1ebec3d7 TP |
2004 | if (wl1271_11a_enabled()) |
2005 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz; | |
2006 | ||
f5fc0f86 LC |
2007 | SET_IEEE80211_DEV(wl->hw, &wl->spi->dev); |
2008 | ||
2009 | return 0; | |
2010 | } | |
2011 | ||
2012 | static void wl1271_device_release(struct device *dev) | |
2013 | { | |
2014 | ||
2015 | } | |
2016 | ||
2017 | static struct platform_device wl1271_device = { | |
2018 | .name = "wl1271", | |
2019 | .id = -1, | |
2020 | ||
2021 | /* device model insists to have a release function */ | |
2022 | .dev = { | |
2023 | .release = wl1271_device_release, | |
2024 | }, | |
2025 | }; | |
2026 | ||
2027 | #define WL1271_DEFAULT_CHANNEL 0 | |
2028 | static int __devinit wl1271_probe(struct spi_device *spi) | |
2029 | { | |
2030 | struct wl12xx_platform_data *pdata; | |
2031 | struct ieee80211_hw *hw; | |
2032 | struct wl1271 *wl; | |
2033 | int ret, i; | |
f5fc0f86 LC |
2034 | |
2035 | pdata = spi->dev.platform_data; | |
2036 | if (!pdata) { | |
2037 | wl1271_error("no platform data"); | |
2038 | return -ENODEV; | |
2039 | } | |
2040 | ||
2041 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
2042 | if (!hw) { | |
2043 | wl1271_error("could not alloc ieee80211_hw"); | |
2044 | return -ENOMEM; | |
2045 | } | |
2046 | ||
2047 | wl = hw->priv; | |
2048 | memset(wl, 0, sizeof(*wl)); | |
2049 | ||
01c09162 JO |
2050 | INIT_LIST_HEAD(&wl->list); |
2051 | ||
f5fc0f86 LC |
2052 | wl->hw = hw; |
2053 | dev_set_drvdata(&spi->dev, wl); | |
2054 | wl->spi = spi; | |
2055 | ||
2056 | skb_queue_head_init(&wl->tx_queue); | |
2057 | ||
37b70a81 | 2058 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
f5fc0f86 | 2059 | wl->channel = WL1271_DEFAULT_CHANNEL; |
f5fc0f86 | 2060 | wl->default_key = 0; |
f5fc0f86 LC |
2061 | wl->rx_counter = 0; |
2062 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
2063 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
19ad0715 | 2064 | wl->psm_entry_retry = 0; |
f5fc0f86 | 2065 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
a6fe2313 | 2066 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
830fb67b JO |
2067 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
2068 | wl->sta_rate_set = 0; | |
8a5a37a6 | 2069 | wl->band = IEEE80211_BAND_2GHZ; |
b771eee5 | 2070 | wl->vif = NULL; |
830fb67b | 2071 | wl->flags = 0; |
f5fc0f86 | 2072 | |
be7078c2 | 2073 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
f5fc0f86 LC |
2074 | wl->tx_frames[i] = NULL; |
2075 | ||
2076 | spin_lock_init(&wl->wl_lock); | |
2077 | ||
f5fc0f86 LC |
2078 | wl->state = WL1271_STATE_OFF; |
2079 | mutex_init(&wl->mutex); | |
2080 | ||
f5fc0f86 LC |
2081 | /* This is the only SPI value that we need to set here, the rest |
2082 | * comes from the board-peripherals file */ | |
2083 | spi->bits_per_word = 32; | |
2084 | ||
2085 | ret = spi_setup(spi); | |
2086 | if (ret < 0) { | |
2087 | wl1271_error("spi_setup failed"); | |
2088 | goto out_free; | |
2089 | } | |
2090 | ||
2091 | wl->set_power = pdata->set_power; | |
2092 | if (!wl->set_power) { | |
2093 | wl1271_error("set power function missing in platform data"); | |
2094 | ret = -ENODEV; | |
2095 | goto out_free; | |
2096 | } | |
2097 | ||
2098 | wl->irq = spi->irq; | |
2099 | if (wl->irq < 0) { | |
2100 | wl1271_error("irq missing in platform data"); | |
2101 | ret = -ENODEV; | |
2102 | goto out_free; | |
2103 | } | |
2104 | ||
2105 | ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl); | |
2106 | if (ret < 0) { | |
2107 | wl1271_error("request_irq() failed: %d", ret); | |
2108 | goto out_free; | |
2109 | } | |
2110 | ||
2111 | set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); | |
2112 | ||
2113 | disable_irq(wl->irq); | |
2114 | ||
2115 | ret = platform_device_register(&wl1271_device); | |
2116 | if (ret) { | |
2117 | wl1271_error("couldn't register platform device"); | |
2118 | goto out_irq; | |
2119 | } | |
2120 | dev_set_drvdata(&wl1271_device.dev, wl); | |
2121 | ||
2b60100b JO |
2122 | /* Apply default driver configuration. */ |
2123 | wl1271_conf_init(wl); | |
2124 | ||
f5fc0f86 LC |
2125 | ret = wl1271_init_ieee80211(wl); |
2126 | if (ret) | |
2127 | goto out_platform; | |
2128 | ||
2129 | ret = wl1271_register_hw(wl); | |
2130 | if (ret) | |
2131 | goto out_platform; | |
2132 | ||
2133 | wl1271_debugfs_init(wl); | |
2134 | ||
2135 | wl1271_notice("initialized"); | |
2136 | ||
2137 | return 0; | |
2138 | ||
2139 | out_platform: | |
2140 | platform_device_unregister(&wl1271_device); | |
2141 | ||
2142 | out_irq: | |
2143 | free_irq(wl->irq, wl); | |
2144 | ||
2145 | out_free: | |
f5fc0f86 LC |
2146 | ieee80211_free_hw(hw); |
2147 | ||
2148 | return ret; | |
2149 | } | |
2150 | ||
2151 | static int __devexit wl1271_remove(struct spi_device *spi) | |
2152 | { | |
2153 | struct wl1271 *wl = dev_get_drvdata(&spi->dev); | |
2154 | ||
2155 | ieee80211_unregister_hw(wl->hw); | |
2156 | ||
2157 | wl1271_debugfs_exit(wl); | |
2158 | platform_device_unregister(&wl1271_device); | |
2159 | free_irq(wl->irq, wl); | |
2160 | kfree(wl->target_mem_map); | |
1fba4974 | 2161 | vfree(wl->fw); |
f5fc0f86 LC |
2162 | wl->fw = NULL; |
2163 | kfree(wl->nvs); | |
2164 | wl->nvs = NULL; | |
2165 | ||
f5fc0f86 LC |
2166 | kfree(wl->fw_status); |
2167 | kfree(wl->tx_res_if); | |
2168 | ||
2169 | ieee80211_free_hw(wl->hw); | |
2170 | ||
2171 | return 0; | |
2172 | } | |
2173 | ||
2174 | ||
2175 | static struct spi_driver wl1271_spi_driver = { | |
2176 | .driver = { | |
2177 | .name = "wl1271", | |
2178 | .bus = &spi_bus_type, | |
2179 | .owner = THIS_MODULE, | |
2180 | }, | |
2181 | ||
2182 | .probe = wl1271_probe, | |
2183 | .remove = __devexit_p(wl1271_remove), | |
2184 | }; | |
2185 | ||
2186 | static int __init wl1271_init(void) | |
2187 | { | |
2188 | int ret; | |
2189 | ||
2190 | ret = spi_register_driver(&wl1271_spi_driver); | |
2191 | if (ret < 0) { | |
2192 | wl1271_error("failed to register spi driver: %d", ret); | |
2193 | goto out; | |
2194 | } | |
2195 | ||
2196 | out: | |
2197 | return ret; | |
2198 | } | |
2199 | ||
2200 | static void __exit wl1271_exit(void) | |
2201 | { | |
2202 | spi_unregister_driver(&wl1271_spi_driver); | |
2203 | ||
2204 | wl1271_notice("unloaded"); | |
2205 | } | |
2206 | ||
2207 | module_init(wl1271_init); | |
2208 | module_exit(wl1271_exit); | |
2209 | ||
2210 | MODULE_LICENSE("GPL"); | |
2211 | MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); | |
2f018725 | 2212 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |
49f146de | 2213 | MODULE_FIRMWARE(WL1271_FW_NAME); |