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Commit | Line | Data |
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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> |
5a0e3ad6 | 36 | #include <linux/slab.h> |
f5fc0f86 LC |
37 | |
38 | #include "wl1271.h" | |
39 | #include "wl12xx_80211.h" | |
40 | #include "wl1271_reg.h" | |
41 | #include "wl1271_spi.h" | |
7b048c52 | 42 | #include "wl1271_io.h" |
f5fc0f86 LC |
43 | #include "wl1271_event.h" |
44 | #include "wl1271_tx.h" | |
45 | #include "wl1271_rx.h" | |
46 | #include "wl1271_ps.h" | |
47 | #include "wl1271_init.h" | |
48 | #include "wl1271_debugfs.h" | |
49 | #include "wl1271_cmd.h" | |
50 | #include "wl1271_boot.h" | |
c8c90873 | 51 | #include "wl1271_testmode.h" |
f5fc0f86 | 52 | |
9ccd9217 JO |
53 | #define WL1271_BOOT_RETRIES 3 |
54 | ||
8a08048a JO |
55 | static struct conf_drv_settings default_conf = { |
56 | .sg = { | |
57 | .per_threshold = 7500, | |
58 | .max_scan_compensation_time = 120000, | |
59 | .nfs_sample_interval = 400, | |
60 | .load_ratio = 50, | |
61 | .auto_ps_mode = 0, | |
62 | .probe_req_compensation = 170, | |
63 | .scan_window_compensation = 50, | |
64 | .antenna_config = 0, | |
65 | .beacon_miss_threshold = 60, | |
66 | .rate_adaptation_threshold = CONF_HW_BIT_RATE_12MBPS, | |
67 | .rate_adaptation_snr = 0 | |
68 | }, | |
69 | .rx = { | |
70 | .rx_msdu_life_time = 512000, | |
71 | .packet_detection_threshold = 0, | |
72 | .ps_poll_timeout = 15, | |
73 | .upsd_timeout = 15, | |
74 | .rts_threshold = 2347, | |
3ed8f2c6 LC |
75 | .rx_cca_threshold = 0, |
76 | .irq_blk_threshold = 0xFFFF, | |
77 | .irq_pkt_threshold = 0, | |
78 | .irq_timeout = 600, | |
8a08048a JO |
79 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
80 | }, | |
81 | .tx = { | |
82 | .tx_energy_detection = 0, | |
83 | .rc_conf = { | |
ec078d94 JO |
84 | .enabled_rates = CONF_HW_BIT_RATE_1MBPS | |
85 | CONF_HW_BIT_RATE_2MBPS, | |
8a08048a JO |
86 | .short_retry_limit = 10, |
87 | .long_retry_limit = 10, | |
88 | .aflags = 0 | |
45b531a8 | 89 | }, |
8a08048a JO |
90 | .ac_conf_count = 4, |
91 | .ac_conf = { | |
92 | [0] = { | |
93 | .ac = CONF_TX_AC_BE, | |
94 | .cw_min = 15, | |
95 | .cw_max = 63, | |
96 | .aifsn = 3, | |
97 | .tx_op_limit = 0, | |
45b531a8 | 98 | }, |
8a08048a JO |
99 | [1] = { |
100 | .ac = CONF_TX_AC_BK, | |
101 | .cw_min = 15, | |
102 | .cw_max = 63, | |
103 | .aifsn = 7, | |
104 | .tx_op_limit = 0, | |
45b531a8 | 105 | }, |
8a08048a JO |
106 | [2] = { |
107 | .ac = CONF_TX_AC_VI, | |
108 | .cw_min = 15, | |
109 | .cw_max = 63, | |
110 | .aifsn = CONF_TX_AIFS_PIFS, | |
111 | .tx_op_limit = 3008, | |
112 | }, | |
113 | [3] = { | |
114 | .ac = CONF_TX_AC_VO, | |
115 | .cw_min = 15, | |
116 | .cw_max = 63, | |
117 | .aifsn = CONF_TX_AIFS_PIFS, | |
118 | .tx_op_limit = 1504, | |
45b531a8 | 119 | }, |
51f2be24 | 120 | }, |
8a08048a JO |
121 | .tid_conf_count = 7, |
122 | .tid_conf = { | |
123 | [0] = { | |
124 | .queue_id = 0, | |
125 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
126 | .tsid = CONF_TX_AC_BE, | |
127 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
128 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
129 | .apsd_conf = {0, 0}, | |
130 | }, | |
131 | [1] = { | |
132 | .queue_id = 1, | |
133 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
134 | .tsid = CONF_TX_AC_BE, | |
135 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
136 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
137 | .apsd_conf = {0, 0}, | |
51f2be24 | 138 | }, |
8a08048a JO |
139 | [2] = { |
140 | .queue_id = 2, | |
141 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
142 | .tsid = CONF_TX_AC_BE, | |
143 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
144 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
145 | .apsd_conf = {0, 0}, | |
51f2be24 | 146 | }, |
8a08048a JO |
147 | [3] = { |
148 | .queue_id = 3, | |
149 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
150 | .tsid = CONF_TX_AC_BE, | |
151 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
152 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
153 | .apsd_conf = {0, 0}, | |
154 | }, | |
155 | [4] = { | |
156 | .queue_id = 4, | |
157 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
158 | .tsid = CONF_TX_AC_BE, | |
159 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
160 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
161 | .apsd_conf = {0, 0}, | |
162 | }, | |
163 | [5] = { | |
164 | .queue_id = 5, | |
165 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
166 | .tsid = CONF_TX_AC_BE, | |
167 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
168 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
169 | .apsd_conf = {0, 0}, | |
170 | }, | |
171 | [6] = { | |
172 | .queue_id = 6, | |
173 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
174 | .tsid = CONF_TX_AC_BE, | |
175 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
176 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
177 | .apsd_conf = {0, 0}, | |
178 | } | |
179 | }, | |
180 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, | |
3ed8f2c6 LC |
181 | .tx_compl_timeout = 700, |
182 | .tx_compl_threshold = 4 | |
8a08048a JO |
183 | }, |
184 | .conn = { | |
185 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, | |
186 | .listen_interval = 0, | |
187 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, | |
188 | .bcn_filt_ie_count = 1, | |
189 | .bcn_filt_ie = { | |
190 | [0] = { | |
191 | .ie = WLAN_EID_CHANNEL_SWITCH, | |
192 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, | |
51f2be24 | 193 | } |
47fab7d5 | 194 | }, |
3ed8f2c6 | 195 | .synch_fail_thold = 10, |
8a08048a JO |
196 | .bss_lose_timeout = 100, |
197 | .beacon_rx_timeout = 10000, | |
198 | .broadcast_timeout = 20000, | |
199 | .rx_broadcast_in_ps = 1, | |
3ed8f2c6 | 200 | .ps_poll_threshold = 20, |
8a08048a JO |
201 | .sig_trigger_count = 2, |
202 | .sig_trigger = { | |
203 | [0] = { | |
204 | .threshold = -75, | |
205 | .pacing = 500, | |
206 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
207 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
208 | .direction = CONF_TRIG_EVENT_DIR_LOW, | |
209 | .hysteresis = 2, | |
210 | .index = 0, | |
211 | .enable = 1 | |
47fab7d5 | 212 | }, |
8a08048a JO |
213 | [1] = { |
214 | .threshold = -75, | |
215 | .pacing = 500, | |
216 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
217 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
218 | .direction = CONF_TRIG_EVENT_DIR_HIGH, | |
219 | .hysteresis = 2, | |
220 | .index = 1, | |
221 | .enable = 1 | |
222 | } | |
223 | }, | |
224 | .sig_weights = { | |
225 | .rssi_bcn_avg_weight = 10, | |
226 | .rssi_pkt_avg_weight = 10, | |
227 | .snr_bcn_avg_weight = 10, | |
228 | .snr_pkt_avg_weight = 10 | |
11f70f97 JO |
229 | }, |
230 | .bet_enable = CONF_BET_MODE_ENABLE, | |
84502563 | 231 | .bet_max_consecutive = 10, |
19ad0715 | 232 | .psm_entry_retries = 3 |
8a08048a JO |
233 | }, |
234 | .init = { | |
8a08048a | 235 | .radioparam = { |
152ee6e0 | 236 | .fem = 1, |
2b60100b | 237 | } |
6e92b416 LC |
238 | }, |
239 | .itrim = { | |
240 | .enable = false, | |
241 | .timeout = 50000, | |
38ad2d87 JO |
242 | }, |
243 | .pm_config = { | |
244 | .host_clk_settling_time = 5000, | |
245 | .host_fast_wakeup_support = false | |
8a08048a JO |
246 | } |
247 | }; | |
248 | ||
01c09162 JO |
249 | static LIST_HEAD(wl_list); |
250 | ||
8a08048a JO |
251 | static void wl1271_conf_init(struct wl1271 *wl) |
252 | { | |
2b60100b JO |
253 | |
254 | /* | |
255 | * This function applies the default configuration to the driver. This | |
256 | * function is invoked upon driver load (spi probe.) | |
257 | * | |
258 | * The configuration is stored in a run-time structure in order to | |
259 | * facilitate for run-time adjustment of any of the parameters. Making | |
260 | * changes to the configuration structure will apply the new values on | |
261 | * the next interface up (wl1271_op_start.) | |
262 | */ | |
263 | ||
264 | /* apply driver default configuration */ | |
8a08048a | 265 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
2b60100b JO |
266 | } |
267 | ||
268 | ||
f5fc0f86 LC |
269 | static int wl1271_plt_init(struct wl1271 *wl) |
270 | { | |
12419cce LC |
271 | struct conf_tx_ac_category *conf_ac; |
272 | struct conf_tx_tid *conf_tid; | |
273 | int ret, i; | |
f5fc0f86 | 274 | |
98b5dd5d | 275 | ret = wl1271_cmd_general_parms(wl); |
4a90406b | 276 | if (ret < 0) |
cc7defa3 LC |
277 | return ret; |
278 | ||
98b5dd5d | 279 | ret = wl1271_cmd_radio_parms(wl); |
4a90406b | 280 | if (ret < 0) |
cc7defa3 LC |
281 | return ret; |
282 | ||
12419cce LC |
283 | ret = wl1271_init_templates_config(wl); |
284 | if (ret < 0) | |
285 | return ret; | |
286 | ||
f5fc0f86 LC |
287 | ret = wl1271_acx_init_mem_config(wl); |
288 | if (ret < 0) | |
289 | return ret; | |
290 | ||
12419cce LC |
291 | /* PHY layer config */ |
292 | ret = wl1271_init_phy_config(wl); | |
293 | if (ret < 0) | |
294 | goto out_free_memmap; | |
295 | ||
296 | ret = wl1271_acx_dco_itrim_params(wl); | |
297 | if (ret < 0) | |
298 | goto out_free_memmap; | |
299 | ||
300 | /* Initialize connection monitoring thresholds */ | |
301 | ret = wl1271_acx_conn_monit_params(wl); | |
302 | if (ret < 0) | |
303 | goto out_free_memmap; | |
304 | ||
305 | /* Bluetooth WLAN coexistence */ | |
306 | ret = wl1271_init_pta(wl); | |
307 | if (ret < 0) | |
308 | goto out_free_memmap; | |
309 | ||
310 | /* Energy detection */ | |
311 | ret = wl1271_init_energy_detection(wl); | |
312 | if (ret < 0) | |
313 | goto out_free_memmap; | |
314 | ||
315 | /* Default fragmentation threshold */ | |
316 | ret = wl1271_acx_frag_threshold(wl); | |
317 | if (ret < 0) | |
318 | goto out_free_memmap; | |
319 | ||
320 | /* Default TID configuration */ | |
321 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { | |
322 | conf_tid = &wl->conf.tx.tid_conf[i]; | |
323 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, | |
324 | conf_tid->channel_type, | |
325 | conf_tid->tsid, | |
326 | conf_tid->ps_scheme, | |
327 | conf_tid->ack_policy, | |
328 | conf_tid->apsd_conf[0], | |
329 | conf_tid->apsd_conf[1]); | |
330 | if (ret < 0) | |
331 | goto out_free_memmap; | |
332 | } | |
333 | ||
334 | /* Default AC configuration */ | |
335 | for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { | |
336 | conf_ac = &wl->conf.tx.ac_conf[i]; | |
337 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, | |
338 | conf_ac->cw_max, conf_ac->aifsn, | |
339 | conf_ac->tx_op_limit); | |
340 | if (ret < 0) | |
341 | goto out_free_memmap; | |
342 | } | |
343 | ||
344 | /* Enable data path */ | |
94210897 | 345 | ret = wl1271_cmd_data_path(wl, 1); |
f5fc0f86 | 346 | if (ret < 0) |
12419cce LC |
347 | goto out_free_memmap; |
348 | ||
349 | /* Configure for CAM power saving (ie. always active) */ | |
350 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); | |
351 | if (ret < 0) | |
352 | goto out_free_memmap; | |
353 | ||
354 | /* configure PM */ | |
355 | ret = wl1271_acx_pm_config(wl); | |
356 | if (ret < 0) | |
357 | goto out_free_memmap; | |
f5fc0f86 LC |
358 | |
359 | return 0; | |
12419cce LC |
360 | |
361 | out_free_memmap: | |
362 | kfree(wl->target_mem_map); | |
363 | wl->target_mem_map = NULL; | |
364 | ||
365 | return ret; | |
f5fc0f86 LC |
366 | } |
367 | ||
368 | static void wl1271_disable_interrupts(struct wl1271 *wl) | |
369 | { | |
370 | disable_irq(wl->irq); | |
371 | } | |
372 | ||
373 | static void wl1271_power_off(struct wl1271 *wl) | |
374 | { | |
375 | wl->set_power(false); | |
71449f8d | 376 | clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); |
f5fc0f86 LC |
377 | } |
378 | ||
379 | static void wl1271_power_on(struct wl1271 *wl) | |
380 | { | |
381 | wl->set_power(true); | |
71449f8d | 382 | set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); |
f5fc0f86 LC |
383 | } |
384 | ||
c15f63bf JO |
385 | static void wl1271_fw_status(struct wl1271 *wl, |
386 | struct wl1271_fw_status *status) | |
f5fc0f86 LC |
387 | { |
388 | u32 total = 0; | |
389 | int i; | |
390 | ||
7b048c52 | 391 | wl1271_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); |
f5fc0f86 LC |
392 | |
393 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " | |
394 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
395 | status->intr, | |
396 | status->fw_rx_counter, | |
397 | status->drv_rx_counter, | |
398 | status->tx_results_counter); | |
399 | ||
400 | /* update number of available TX blocks */ | |
401 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
d0f63b20 LC |
402 | u32 cnt = le32_to_cpu(status->tx_released_blks[i]) - |
403 | wl->tx_blocks_freed[i]; | |
404 | ||
405 | wl->tx_blocks_freed[i] = | |
406 | le32_to_cpu(status->tx_released_blks[i]); | |
f5fc0f86 LC |
407 | wl->tx_blocks_available += cnt; |
408 | total += cnt; | |
409 | } | |
410 | ||
411 | /* if more blocks are available now, schedule some tx work */ | |
412 | if (total && !skb_queue_empty(&wl->tx_queue)) | |
a64b07e8 | 413 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
414 | |
415 | /* update the host-chipset time offset */ | |
d0f63b20 LC |
416 | wl->time_offset = jiffies_to_usecs(jiffies) - |
417 | le32_to_cpu(status->fw_localtime); | |
f5fc0f86 LC |
418 | } |
419 | ||
f5fc0f86 LC |
420 | static void wl1271_irq_work(struct work_struct *work) |
421 | { | |
f5fc0f86 | 422 | int ret; |
c15f63bf | 423 | u32 intr; |
f5fc0f86 LC |
424 | struct wl1271 *wl = |
425 | container_of(work, struct wl1271, irq_work); | |
426 | ||
427 | mutex_lock(&wl->mutex); | |
428 | ||
429 | wl1271_debug(DEBUG_IRQ, "IRQ work"); | |
430 | ||
431 | if (wl->state == WL1271_STATE_OFF) | |
432 | goto out; | |
433 | ||
434 | ret = wl1271_ps_elp_wakeup(wl, true); | |
435 | if (ret < 0) | |
436 | goto out; | |
437 | ||
7b048c52 | 438 | wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); |
f5fc0f86 | 439 | |
c15f63bf | 440 | wl1271_fw_status(wl, wl->fw_status); |
d0f63b20 | 441 | intr = le32_to_cpu(wl->fw_status->intr); |
f5fc0f86 LC |
442 | if (!intr) { |
443 | wl1271_debug(DEBUG_IRQ, "Zero interrupt received."); | |
444 | goto out_sleep; | |
445 | } | |
446 | ||
447 | intr &= WL1271_INTR_MASK; | |
448 | ||
1fd2794f | 449 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
1fd2794f | 450 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); |
13f2dc52 | 451 | wl1271_event_handle(wl, 0); |
1fd2794f JO |
452 | } |
453 | ||
454 | if (intr & WL1271_ACX_INTR_EVENT_B) { | |
455 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
13f2dc52 | 456 | wl1271_event_handle(wl, 1); |
c15f63bf | 457 | } |
f5fc0f86 | 458 | |
c15f63bf JO |
459 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
460 | wl1271_debug(DEBUG_IRQ, | |
461 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 462 | |
c15f63bf JO |
463 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
464 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
f5fc0f86 | 465 | |
c15f63bf JO |
466 | if (intr & WL1271_ACX_INTR_DATA) { |
467 | u8 tx_res_cnt = wl->fw_status->tx_results_counter - | |
468 | wl->tx_results_count; | |
f5fc0f86 | 469 | |
c15f63bf | 470 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
f5fc0f86 | 471 | |
c15f63bf JO |
472 | /* check for tx results */ |
473 | if (tx_res_cnt) | |
474 | wl1271_tx_complete(wl, tx_res_cnt); | |
f5fc0f86 | 475 | |
c15f63bf JO |
476 | wl1271_rx(wl, wl->fw_status); |
477 | } | |
f5fc0f86 LC |
478 | |
479 | out_sleep: | |
7b048c52 TP |
480 | wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, |
481 | WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); | |
f5fc0f86 LC |
482 | wl1271_ps_elp_sleep(wl); |
483 | ||
484 | out: | |
485 | mutex_unlock(&wl->mutex); | |
486 | } | |
487 | ||
488 | static irqreturn_t wl1271_irq(int irq, void *cookie) | |
489 | { | |
490 | struct wl1271 *wl; | |
491 | unsigned long flags; | |
492 | ||
493 | wl1271_debug(DEBUG_IRQ, "IRQ"); | |
494 | ||
495 | wl = cookie; | |
496 | ||
497 | /* complete the ELP completion */ | |
498 | spin_lock_irqsave(&wl->wl_lock, flags); | |
499 | if (wl->elp_compl) { | |
500 | complete(wl->elp_compl); | |
501 | wl->elp_compl = NULL; | |
502 | } | |
503 | ||
a64b07e8 | 504 | ieee80211_queue_work(wl->hw, &wl->irq_work); |
f5fc0f86 LC |
505 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
506 | ||
507 | return IRQ_HANDLED; | |
508 | } | |
509 | ||
510 | static int wl1271_fetch_firmware(struct wl1271 *wl) | |
511 | { | |
512 | const struct firmware *fw; | |
513 | int ret; | |
514 | ||
515 | ret = request_firmware(&fw, WL1271_FW_NAME, &wl->spi->dev); | |
516 | ||
517 | if (ret < 0) { | |
518 | wl1271_error("could not get firmware: %d", ret); | |
519 | return ret; | |
520 | } | |
521 | ||
522 | if (fw->size % 4) { | |
523 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
524 | fw->size); | |
525 | ret = -EILSEQ; | |
526 | goto out; | |
527 | } | |
528 | ||
529 | wl->fw_len = fw->size; | |
1fba4974 | 530 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
531 | |
532 | if (!wl->fw) { | |
533 | wl1271_error("could not allocate memory for the firmware"); | |
534 | ret = -ENOMEM; | |
535 | goto out; | |
536 | } | |
537 | ||
538 | memcpy(wl->fw, fw->data, wl->fw_len); | |
539 | ||
540 | ret = 0; | |
541 | ||
542 | out: | |
543 | release_firmware(fw); | |
544 | ||
545 | return ret; | |
546 | } | |
547 | ||
7b21b6f8 JO |
548 | static int wl1271_update_mac_addr(struct wl1271 *wl) |
549 | { | |
550 | int ret = 0; | |
551 | u8 *nvs_ptr = (u8 *)wl->nvs->nvs; | |
552 | ||
553 | /* get mac address from the NVS */ | |
554 | wl->mac_addr[0] = nvs_ptr[11]; | |
555 | wl->mac_addr[1] = nvs_ptr[10]; | |
556 | wl->mac_addr[2] = nvs_ptr[6]; | |
557 | wl->mac_addr[3] = nvs_ptr[5]; | |
558 | wl->mac_addr[4] = nvs_ptr[4]; | |
559 | wl->mac_addr[5] = nvs_ptr[3]; | |
560 | ||
561 | /* FIXME: if it is a zero-address, we should bail out. Now, instead, | |
562 | we randomize an address */ | |
563 | if (is_zero_ether_addr(wl->mac_addr)) { | |
564 | static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; | |
565 | memcpy(wl->mac_addr, nokia_oui, 3); | |
566 | get_random_bytes(wl->mac_addr + 3, 3); | |
e2e77b5f JO |
567 | |
568 | /* update this address to the NVS */ | |
569 | nvs_ptr[11] = wl->mac_addr[0]; | |
570 | nvs_ptr[10] = wl->mac_addr[1]; | |
571 | nvs_ptr[6] = wl->mac_addr[2]; | |
572 | nvs_ptr[5] = wl->mac_addr[3]; | |
573 | nvs_ptr[4] = wl->mac_addr[4]; | |
574 | nvs_ptr[3] = wl->mac_addr[5]; | |
7b21b6f8 JO |
575 | } |
576 | ||
577 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); | |
578 | ||
579 | return ret; | |
580 | } | |
581 | ||
f5fc0f86 LC |
582 | static int wl1271_fetch_nvs(struct wl1271 *wl) |
583 | { | |
584 | const struct firmware *fw; | |
585 | int ret; | |
586 | ||
587 | ret = request_firmware(&fw, WL1271_NVS_NAME, &wl->spi->dev); | |
588 | ||
589 | if (ret < 0) { | |
590 | wl1271_error("could not get nvs file: %d", ret); | |
591 | return ret; | |
592 | } | |
593 | ||
152ee6e0 JO |
594 | if (fw->size != sizeof(struct wl1271_nvs_file)) { |
595 | wl1271_error("nvs size is not as expected: %zu != %zu", | |
596 | fw->size, sizeof(struct wl1271_nvs_file)); | |
f5fc0f86 LC |
597 | ret = -EILSEQ; |
598 | goto out; | |
599 | } | |
600 | ||
152ee6e0 | 601 | wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL); |
f5fc0f86 LC |
602 | |
603 | if (!wl->nvs) { | |
604 | wl1271_error("could not allocate memory for the nvs file"); | |
605 | ret = -ENOMEM; | |
606 | goto out; | |
607 | } | |
608 | ||
152ee6e0 | 609 | memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file)); |
f5fc0f86 | 610 | |
7b21b6f8 | 611 | ret = wl1271_update_mac_addr(wl); |
f5fc0f86 LC |
612 | |
613 | out: | |
614 | release_firmware(fw); | |
615 | ||
616 | return ret; | |
617 | } | |
618 | ||
619 | static void wl1271_fw_wakeup(struct wl1271 *wl) | |
620 | { | |
621 | u32 elp_reg; | |
622 | ||
623 | elp_reg = ELPCTRL_WAKE_UP; | |
74621417 | 624 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
f5fc0f86 LC |
625 | } |
626 | ||
627 | static int wl1271_setup(struct wl1271 *wl) | |
628 | { | |
629 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); | |
630 | if (!wl->fw_status) | |
631 | return -ENOMEM; | |
632 | ||
633 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); | |
634 | if (!wl->tx_res_if) { | |
635 | kfree(wl->fw_status); | |
636 | return -ENOMEM; | |
637 | } | |
638 | ||
639 | INIT_WORK(&wl->irq_work, wl1271_irq_work); | |
640 | INIT_WORK(&wl->tx_work, wl1271_tx_work); | |
641 | return 0; | |
642 | } | |
643 | ||
644 | static int wl1271_chip_wakeup(struct wl1271 *wl) | |
645 | { | |
451de97a | 646 | struct wl1271_partition_set partition; |
f5fc0f86 LC |
647 | int ret = 0; |
648 | ||
01ac17ec | 649 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
f5fc0f86 LC |
650 | wl1271_power_on(wl); |
651 | msleep(WL1271_POWER_ON_SLEEP); | |
9b280722 TP |
652 | wl1271_io_reset(wl); |
653 | wl1271_io_init(wl); | |
f5fc0f86 LC |
654 | |
655 | /* We don't need a real memory partition here, because we only want | |
656 | * to use the registers at this point. */ | |
451de97a JO |
657 | memset(&partition, 0, sizeof(partition)); |
658 | partition.reg.start = REGISTERS_BASE; | |
659 | partition.reg.size = REGISTERS_DOWN_SIZE; | |
660 | wl1271_set_partition(wl, &partition); | |
f5fc0f86 LC |
661 | |
662 | /* ELP module wake up */ | |
663 | wl1271_fw_wakeup(wl); | |
664 | ||
665 | /* whal_FwCtrl_BootSm() */ | |
666 | ||
667 | /* 0. read chip id from CHIP_ID */ | |
7b048c52 | 668 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
f5fc0f86 LC |
669 | |
670 | /* 1. check if chip id is valid */ | |
671 | ||
672 | switch (wl->chip.id) { | |
673 | case CHIP_ID_1271_PG10: | |
674 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", | |
675 | wl->chip.id); | |
676 | ||
677 | ret = wl1271_setup(wl); | |
678 | if (ret < 0) | |
9ccd9217 | 679 | goto out; |
f5fc0f86 LC |
680 | break; |
681 | case CHIP_ID_1271_PG20: | |
682 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", | |
683 | wl->chip.id); | |
684 | ||
685 | ret = wl1271_setup(wl); | |
686 | if (ret < 0) | |
9ccd9217 | 687 | goto out; |
f5fc0f86 LC |
688 | break; |
689 | default: | |
9ccd9217 | 690 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
f5fc0f86 | 691 | ret = -ENODEV; |
9ccd9217 | 692 | goto out; |
f5fc0f86 LC |
693 | } |
694 | ||
695 | if (wl->fw == NULL) { | |
696 | ret = wl1271_fetch_firmware(wl); | |
697 | if (ret < 0) | |
9ccd9217 | 698 | goto out; |
f5fc0f86 LC |
699 | } |
700 | ||
701 | /* No NVS from netlink, try to get it from the filesystem */ | |
702 | if (wl->nvs == NULL) { | |
703 | ret = wl1271_fetch_nvs(wl); | |
704 | if (ret < 0) | |
9ccd9217 | 705 | goto out; |
f5fc0f86 LC |
706 | } |
707 | ||
708 | out: | |
709 | return ret; | |
710 | } | |
711 | ||
f5fc0f86 LC |
712 | int wl1271_plt_start(struct wl1271 *wl) |
713 | { | |
9ccd9217 | 714 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
715 | int ret; |
716 | ||
717 | mutex_lock(&wl->mutex); | |
718 | ||
719 | wl1271_notice("power up"); | |
720 | ||
721 | if (wl->state != WL1271_STATE_OFF) { | |
722 | wl1271_error("cannot go into PLT state because not " | |
723 | "in off state: %d", wl->state); | |
724 | ret = -EBUSY; | |
725 | goto out; | |
726 | } | |
727 | ||
9ccd9217 JO |
728 | while (retries) { |
729 | retries--; | |
730 | ret = wl1271_chip_wakeup(wl); | |
731 | if (ret < 0) | |
732 | goto power_off; | |
f5fc0f86 | 733 | |
9ccd9217 JO |
734 | ret = wl1271_boot(wl); |
735 | if (ret < 0) | |
736 | goto power_off; | |
eb5b28d0 | 737 | |
9ccd9217 JO |
738 | ret = wl1271_plt_init(wl); |
739 | if (ret < 0) | |
740 | goto irq_disable; | |
bd5ea18f | 741 | |
9ccd9217 JO |
742 | wl->state = WL1271_STATE_PLT; |
743 | wl1271_notice("firmware booted in PLT mode (%s)", | |
744 | wl->chip.fw_ver); | |
745 | goto out; | |
eb5b28d0 | 746 | |
9ccd9217 JO |
747 | irq_disable: |
748 | wl1271_disable_interrupts(wl); | |
749 | mutex_unlock(&wl->mutex); | |
750 | /* Unlocking the mutex in the middle of handling is | |
751 | inherently unsafe. In this case we deem it safe to do, | |
752 | because we need to let any possibly pending IRQ out of | |
753 | the system (and while we are WL1271_STATE_OFF the IRQ | |
754 | work function will not do anything.) Also, any other | |
755 | possible concurrent operations will fail due to the | |
756 | current state, hence the wl1271 struct should be safe. */ | |
757 | cancel_work_sync(&wl->irq_work); | |
758 | mutex_lock(&wl->mutex); | |
759 | power_off: | |
760 | wl1271_power_off(wl); | |
761 | } | |
f5fc0f86 | 762 | |
9ccd9217 JO |
763 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
764 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
765 | out: |
766 | mutex_unlock(&wl->mutex); | |
767 | ||
768 | return ret; | |
769 | } | |
770 | ||
771 | int wl1271_plt_stop(struct wl1271 *wl) | |
772 | { | |
773 | int ret = 0; | |
774 | ||
775 | mutex_lock(&wl->mutex); | |
776 | ||
777 | wl1271_notice("power down"); | |
778 | ||
779 | if (wl->state != WL1271_STATE_PLT) { | |
780 | wl1271_error("cannot power down because not in PLT " | |
781 | "state: %d", wl->state); | |
782 | ret = -EBUSY; | |
783 | goto out; | |
784 | } | |
785 | ||
786 | wl1271_disable_interrupts(wl); | |
787 | wl1271_power_off(wl); | |
788 | ||
789 | wl->state = WL1271_STATE_OFF; | |
bd5ea18f | 790 | wl->rx_counter = 0; |
f5fc0f86 LC |
791 | |
792 | out: | |
793 | mutex_unlock(&wl->mutex); | |
794 | ||
795 | return ret; | |
796 | } | |
797 | ||
798 | ||
799 | static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) | |
800 | { | |
801 | struct wl1271 *wl = hw->priv; | |
830fb67b JO |
802 | struct ieee80211_conf *conf = &hw->conf; |
803 | struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); | |
804 | struct ieee80211_sta *sta = txinfo->control.sta; | |
805 | unsigned long flags; | |
f5fc0f86 | 806 | |
830fb67b JO |
807 | /* peek into the rates configured in the STA entry */ |
808 | spin_lock_irqsave(&wl->wl_lock, flags); | |
809 | if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) { | |
810 | wl->sta_rate_set = sta->supp_rates[conf->channel->band]; | |
811 | set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags); | |
812 | } | |
813 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
814 | ||
815 | /* queue the packet */ | |
f5fc0f86 LC |
816 | skb_queue_tail(&wl->tx_queue, skb); |
817 | ||
818 | /* | |
819 | * The chip specific setup must run before the first TX packet - | |
820 | * before that, the tx_work will not be initialized! | |
821 | */ | |
822 | ||
a64b07e8 | 823 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
824 | |
825 | /* | |
826 | * The workqueue is slow to process the tx_queue and we need stop | |
827 | * the queue here, otherwise the queue will get too long. | |
828 | */ | |
829 | if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_MAX_LENGTH) { | |
830 | ieee80211_stop_queues(wl->hw); | |
831 | ||
832 | /* | |
833 | * FIXME: this is racy, the variable is not properly | |
834 | * protected. Maybe fix this by removing the stupid | |
835 | * variable altogether and checking the real queue state? | |
836 | */ | |
71449f8d | 837 | set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); |
f5fc0f86 LC |
838 | } |
839 | ||
840 | return NETDEV_TX_OK; | |
841 | } | |
842 | ||
01c09162 JO |
843 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
844 | void *arg) | |
845 | { | |
846 | struct net_device *dev; | |
847 | struct wireless_dev *wdev; | |
848 | struct wiphy *wiphy; | |
849 | struct ieee80211_hw *hw; | |
850 | struct wl1271 *wl; | |
851 | struct wl1271 *wl_temp; | |
852 | struct in_device *idev; | |
853 | struct in_ifaddr *ifa = arg; | |
854 | int ret = 0; | |
855 | ||
856 | /* FIXME: this ugly function should probably be implemented in the | |
857 | * mac80211, and here should only be a simple callback handling actual | |
858 | * setting of the filters. Now we need to dig up references to | |
859 | * various structures to gain access to what we need. | |
860 | * Also, because of this, there is no "initial" setting of the filter | |
861 | * in "op_start", because we don't want to dig up struct net_device | |
862 | * there - the filter will be set upon first change of the interface | |
863 | * IP address. */ | |
864 | ||
865 | dev = ifa->ifa_dev->dev; | |
866 | ||
867 | wdev = dev->ieee80211_ptr; | |
868 | if (wdev == NULL) | |
17d7265c | 869 | return NOTIFY_DONE; |
01c09162 JO |
870 | |
871 | wiphy = wdev->wiphy; | |
872 | if (wiphy == NULL) | |
17d7265c | 873 | return NOTIFY_DONE; |
01c09162 JO |
874 | |
875 | hw = wiphy_priv(wiphy); | |
876 | if (hw == NULL) | |
17d7265c | 877 | return NOTIFY_DONE; |
01c09162 JO |
878 | |
879 | /* Check that the interface is one supported by this driver. */ | |
880 | wl_temp = hw->priv; | |
881 | list_for_each_entry(wl, &wl_list, list) { | |
882 | if (wl == wl_temp) | |
883 | break; | |
884 | } | |
885 | if (wl == NULL) | |
17d7265c | 886 | return NOTIFY_DONE; |
01c09162 JO |
887 | |
888 | /* Get the interface IP address for the device. "ifa" will become | |
889 | NULL if: | |
890 | - there is no IPV4 protocol address configured | |
891 | - there are multiple (virtual) IPV4 addresses configured | |
892 | When "ifa" is NULL, filtering will be disabled. | |
893 | */ | |
894 | ifa = NULL; | |
895 | idev = dev->ip_ptr; | |
896 | if (idev) | |
897 | ifa = idev->ifa_list; | |
898 | ||
899 | if (ifa && ifa->ifa_next) | |
900 | ifa = NULL; | |
901 | ||
902 | mutex_lock(&wl->mutex); | |
903 | ||
904 | if (wl->state == WL1271_STATE_OFF) | |
905 | goto out; | |
906 | ||
907 | ret = wl1271_ps_elp_wakeup(wl, false); | |
908 | if (ret < 0) | |
909 | goto out; | |
910 | if (ifa) | |
911 | ret = wl1271_acx_arp_ip_filter(wl, true, | |
912 | (u8 *)&ifa->ifa_address, | |
913 | ACX_IPV4_VERSION); | |
914 | else | |
915 | ret = wl1271_acx_arp_ip_filter(wl, false, NULL, | |
916 | ACX_IPV4_VERSION); | |
917 | wl1271_ps_elp_sleep(wl); | |
918 | ||
919 | out: | |
920 | mutex_unlock(&wl->mutex); | |
921 | ||
17d7265c | 922 | return NOTIFY_OK; |
01c09162 JO |
923 | } |
924 | ||
925 | static struct notifier_block wl1271_dev_notifier = { | |
926 | .notifier_call = wl1271_dev_notify, | |
927 | }; | |
928 | ||
929 | ||
f5fc0f86 LC |
930 | static int wl1271_op_start(struct ieee80211_hw *hw) |
931 | { | |
932 | struct wl1271 *wl = hw->priv; | |
9ccd9217 | 933 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
934 | int ret = 0; |
935 | ||
936 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
937 | ||
938 | mutex_lock(&wl->mutex); | |
939 | ||
940 | if (wl->state != WL1271_STATE_OFF) { | |
941 | wl1271_error("cannot start because not in off state: %d", | |
942 | wl->state); | |
943 | ret = -EBUSY; | |
944 | goto out; | |
945 | } | |
946 | ||
9ccd9217 JO |
947 | while (retries) { |
948 | retries--; | |
949 | ret = wl1271_chip_wakeup(wl); | |
950 | if (ret < 0) | |
951 | goto power_off; | |
f5fc0f86 | 952 | |
9ccd9217 JO |
953 | ret = wl1271_boot(wl); |
954 | if (ret < 0) | |
955 | goto power_off; | |
f5fc0f86 | 956 | |
9ccd9217 JO |
957 | ret = wl1271_hw_init(wl); |
958 | if (ret < 0) | |
959 | goto irq_disable; | |
f5fc0f86 | 960 | |
9ccd9217 JO |
961 | wl->state = WL1271_STATE_ON; |
962 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver); | |
963 | goto out; | |
eb5b28d0 | 964 | |
9ccd9217 JO |
965 | irq_disable: |
966 | wl1271_disable_interrupts(wl); | |
967 | mutex_unlock(&wl->mutex); | |
968 | /* Unlocking the mutex in the middle of handling is | |
969 | inherently unsafe. In this case we deem it safe to do, | |
970 | because we need to let any possibly pending IRQ out of | |
971 | the system (and while we are WL1271_STATE_OFF the IRQ | |
972 | work function will not do anything.) Also, any other | |
973 | possible concurrent operations will fail due to the | |
974 | current state, hence the wl1271 struct should be safe. */ | |
975 | cancel_work_sync(&wl->irq_work); | |
976 | mutex_lock(&wl->mutex); | |
977 | power_off: | |
978 | wl1271_power_off(wl); | |
979 | } | |
eb5b28d0 | 980 | |
9ccd9217 JO |
981 | wl1271_error("firmware boot failed despite %d retries", |
982 | WL1271_BOOT_RETRIES); | |
eb5b28d0 | 983 | out: |
f5fc0f86 LC |
984 | mutex_unlock(&wl->mutex); |
985 | ||
01c09162 JO |
986 | if (!ret) { |
987 | list_add(&wl->list, &wl_list); | |
988 | register_inetaddr_notifier(&wl1271_dev_notifier); | |
989 | } | |
990 | ||
f5fc0f86 LC |
991 | return ret; |
992 | } | |
993 | ||
994 | static void wl1271_op_stop(struct ieee80211_hw *hw) | |
995 | { | |
996 | struct wl1271 *wl = hw->priv; | |
997 | int i; | |
998 | ||
999 | wl1271_info("down"); | |
1000 | ||
1001 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
1002 | ||
01c09162 JO |
1003 | unregister_inetaddr_notifier(&wl1271_dev_notifier); |
1004 | list_del(&wl->list); | |
1005 | ||
f5fc0f86 LC |
1006 | mutex_lock(&wl->mutex); |
1007 | ||
1008 | WARN_ON(wl->state != WL1271_STATE_ON); | |
1009 | ||
71449f8d | 1010 | if (test_and_clear_bit(WL1271_FLAG_SCANNING, &wl->flags)) { |
f5fc0f86 LC |
1011 | mutex_unlock(&wl->mutex); |
1012 | ieee80211_scan_completed(wl->hw, true); | |
1013 | mutex_lock(&wl->mutex); | |
f5fc0f86 LC |
1014 | } |
1015 | ||
1016 | wl->state = WL1271_STATE_OFF; | |
1017 | ||
1018 | wl1271_disable_interrupts(wl); | |
1019 | ||
1020 | mutex_unlock(&wl->mutex); | |
1021 | ||
1022 | cancel_work_sync(&wl->irq_work); | |
1023 | cancel_work_sync(&wl->tx_work); | |
f5fc0f86 LC |
1024 | |
1025 | mutex_lock(&wl->mutex); | |
1026 | ||
1027 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
1028 | wl1271_tx_flush(wl); | |
1029 | wl1271_power_off(wl); | |
1030 | ||
1031 | memset(wl->bssid, 0, ETH_ALEN); | |
1032 | memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); | |
1033 | wl->ssid_len = 0; | |
f5fc0f86 | 1034 | wl->bss_type = MAX_BSS_TYPE; |
8a5a37a6 | 1035 | wl->band = IEEE80211_BAND_2GHZ; |
f5fc0f86 LC |
1036 | |
1037 | wl->rx_counter = 0; | |
19ad0715 | 1038 | wl->psm_entry_retry = 0; |
f5fc0f86 LC |
1039 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
1040 | wl->tx_blocks_available = 0; | |
1041 | wl->tx_results_count = 0; | |
1042 | wl->tx_packets_count = 0; | |
ac4e4ce5 JO |
1043 | wl->tx_security_last_seq = 0; |
1044 | wl->tx_security_seq_16 = 0; | |
1045 | wl->tx_security_seq_32 = 0; | |
f5fc0f86 LC |
1046 | wl->time_offset = 0; |
1047 | wl->session_counter = 0; | |
830fb67b JO |
1048 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1049 | wl->sta_rate_set = 0; | |
1050 | wl->flags = 0; | |
d6e19d13 | 1051 | |
f5fc0f86 LC |
1052 | for (i = 0; i < NUM_TX_QUEUES; i++) |
1053 | wl->tx_blocks_freed[i] = 0; | |
1054 | ||
1055 | wl1271_debugfs_reset(wl); | |
1056 | mutex_unlock(&wl->mutex); | |
1057 | } | |
1058 | ||
1059 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, | |
1ed32e4f | 1060 | struct ieee80211_vif *vif) |
f5fc0f86 LC |
1061 | { |
1062 | struct wl1271 *wl = hw->priv; | |
f5fc0f86 LC |
1063 | int ret = 0; |
1064 | ||
e5539bcb | 1065 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
1ed32e4f | 1066 | vif->type, vif->addr); |
f5fc0f86 LC |
1067 | |
1068 | mutex_lock(&wl->mutex); | |
b771eee5 JO |
1069 | if (wl->vif) { |
1070 | ret = -EBUSY; | |
1071 | goto out; | |
1072 | } | |
1073 | ||
1ed32e4f | 1074 | wl->vif = vif; |
f5fc0f86 | 1075 | |
1ed32e4f | 1076 | switch (vif->type) { |
f5fc0f86 LC |
1077 | case NL80211_IFTYPE_STATION: |
1078 | wl->bss_type = BSS_TYPE_STA_BSS; | |
1079 | break; | |
1080 | case NL80211_IFTYPE_ADHOC: | |
1081 | wl->bss_type = BSS_TYPE_IBSS; | |
1082 | break; | |
1083 | default: | |
1084 | ret = -EOPNOTSUPP; | |
1085 | goto out; | |
1086 | } | |
1087 | ||
1088 | /* FIXME: what if conf->mac_addr changes? */ | |
1089 | ||
1090 | out: | |
1091 | mutex_unlock(&wl->mutex); | |
1092 | return ret; | |
1093 | } | |
1094 | ||
1095 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, | |
1ed32e4f | 1096 | struct ieee80211_vif *vif) |
f5fc0f86 | 1097 | { |
b771eee5 JO |
1098 | struct wl1271 *wl = hw->priv; |
1099 | ||
1100 | mutex_lock(&wl->mutex); | |
f5fc0f86 | 1101 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
b771eee5 JO |
1102 | wl->vif = NULL; |
1103 | mutex_unlock(&wl->mutex); | |
f5fc0f86 LC |
1104 | } |
1105 | ||
1106 | #if 0 | |
1107 | static int wl1271_op_config_interface(struct ieee80211_hw *hw, | |
1108 | struct ieee80211_vif *vif, | |
1109 | struct ieee80211_if_conf *conf) | |
1110 | { | |
1111 | struct wl1271 *wl = hw->priv; | |
1112 | struct sk_buff *beacon; | |
f5fc0f86 LC |
1113 | int ret; |
1114 | ||
3264690b DM |
1115 | wl1271_debug(DEBUG_MAC80211, "mac80211 config_interface bssid %pM", |
1116 | conf->bssid); | |
f5fc0f86 LC |
1117 | wl1271_dump_ascii(DEBUG_MAC80211, "ssid: ", conf->ssid, |
1118 | conf->ssid_len); | |
1119 | ||
1120 | mutex_lock(&wl->mutex); | |
1121 | ||
1122 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1123 | if (ret < 0) | |
1124 | goto out; | |
1125 | ||
ae751bab LC |
1126 | if (memcmp(wl->bssid, conf->bssid, ETH_ALEN)) { |
1127 | wl1271_debug(DEBUG_MAC80211, "bssid changed"); | |
1128 | ||
1129 | memcpy(wl->bssid, conf->bssid, ETH_ALEN); | |
1130 | ||
1131 | ret = wl1271_cmd_join(wl); | |
1132 | if (ret < 0) | |
1133 | goto out_sleep; | |
f5fc0f86 | 1134 | |
c6317a54 JO |
1135 | ret = wl1271_cmd_build_null_data(wl); |
1136 | if (ret < 0) | |
1137 | goto out_sleep; | |
1138 | } | |
f5fc0f86 LC |
1139 | |
1140 | wl->ssid_len = conf->ssid_len; | |
1141 | if (wl->ssid_len) | |
1142 | memcpy(wl->ssid, conf->ssid, wl->ssid_len); | |
1143 | ||
f5fc0f86 LC |
1144 | if (conf->changed & IEEE80211_IFCC_BEACON) { |
1145 | beacon = ieee80211_beacon_get(hw, vif); | |
1146 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, | |
1147 | beacon->data, beacon->len); | |
1148 | ||
1149 | if (ret < 0) { | |
1150 | dev_kfree_skb(beacon); | |
1151 | goto out_sleep; | |
1152 | } | |
1153 | ||
1154 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, | |
1155 | beacon->data, beacon->len); | |
1156 | ||
1157 | dev_kfree_skb(beacon); | |
1158 | ||
f5fc0f86 LC |
1159 | if (ret < 0) |
1160 | goto out_sleep; | |
1161 | } | |
1162 | ||
1163 | out_sleep: | |
1164 | wl1271_ps_elp_sleep(wl); | |
1165 | ||
1166 | out: | |
1167 | mutex_unlock(&wl->mutex); | |
1168 | ||
1169 | return ret; | |
1170 | } | |
1171 | #endif | |
1172 | ||
c7f43e45 LC |
1173 | static int wl1271_join_channel(struct wl1271 *wl, int channel) |
1174 | { | |
e0d8bbf0 | 1175 | int ret = 0; |
c7f43e45 LC |
1176 | /* we need to use a dummy BSSID for now */ |
1177 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, | |
1178 | 0xad, 0xbe, 0xef }; | |
1179 | ||
e0d8bbf0 JO |
1180 | /* the dummy join is not required for ad-hoc */ |
1181 | if (wl->bss_type == BSS_TYPE_IBSS) | |
1182 | goto out; | |
1183 | ||
c7f43e45 LC |
1184 | /* disable mac filter, so we hear everything */ |
1185 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1186 | ||
1187 | wl->channel = channel; | |
1188 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); | |
1189 | ||
1190 | ret = wl1271_cmd_join(wl); | |
1191 | if (ret < 0) | |
1192 | goto out; | |
1193 | ||
71449f8d | 1194 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1195 | |
1196 | out: | |
1197 | return ret; | |
1198 | } | |
1199 | ||
1200 | static int wl1271_unjoin_channel(struct wl1271 *wl) | |
1201 | { | |
1202 | int ret; | |
1203 | ||
1204 | /* to stop listening to a channel, we disconnect */ | |
1205 | ret = wl1271_cmd_disconnect(wl); | |
1206 | if (ret < 0) | |
1207 | goto out; | |
1208 | ||
71449f8d | 1209 | clear_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1210 | wl->channel = 0; |
1211 | memset(wl->bssid, 0, ETH_ALEN); | |
1212 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
1213 | ||
1214 | out: | |
1215 | return ret; | |
1216 | } | |
1217 | ||
f5fc0f86 LC |
1218 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
1219 | { | |
1220 | struct wl1271 *wl = hw->priv; | |
1221 | struct ieee80211_conf *conf = &hw->conf; | |
1222 | int channel, ret = 0; | |
1223 | ||
1224 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
1225 | ||
c7f43e45 | 1226 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s", |
f5fc0f86 LC |
1227 | channel, |
1228 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", | |
c7f43e45 LC |
1229 | conf->power_level, |
1230 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use"); | |
f5fc0f86 LC |
1231 | |
1232 | mutex_lock(&wl->mutex); | |
1233 | ||
8a5a37a6 JO |
1234 | wl->band = conf->channel->band; |
1235 | ||
f5fc0f86 LC |
1236 | ret = wl1271_ps_elp_wakeup(wl, false); |
1237 | if (ret < 0) | |
1238 | goto out; | |
1239 | ||
c7f43e45 | 1240 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
71449f8d JO |
1241 | if (conf->flags & IEEE80211_CONF_IDLE && |
1242 | test_bit(WL1271_FLAG_JOINED, &wl->flags)) | |
c7f43e45 | 1243 | wl1271_unjoin_channel(wl); |
8f648c00 | 1244 | else if (!(conf->flags & IEEE80211_CONF_IDLE)) |
c7f43e45 | 1245 | wl1271_join_channel(wl, channel); |
a6fe2313 JO |
1246 | |
1247 | if (conf->flags & IEEE80211_CONF_IDLE) { | |
830fb67b JO |
1248 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1249 | wl->sta_rate_set = 0; | |
1250 | wl1271_acx_rate_policies(wl); | |
a6fe2313 | 1251 | } |
f5fc0f86 LC |
1252 | } |
1253 | ||
c7f43e45 | 1254 | /* if the channel changes while joined, join again */ |
ddb01a5b JO |
1255 | if (channel != wl->channel && |
1256 | test_bit(WL1271_FLAG_JOINED, &wl->flags)) { | |
1257 | wl->channel = channel; | |
1258 | /* FIXME: maybe use CMD_CHANNEL_SWITCH for this? */ | |
1259 | ret = wl1271_cmd_join(wl); | |
1260 | if (ret < 0) | |
1261 | wl1271_warning("cmd join to update channel failed %d", | |
1262 | ret); | |
1263 | } else | |
1264 | wl->channel = channel; | |
c7f43e45 | 1265 | |
71449f8d JO |
1266 | if (conf->flags & IEEE80211_CONF_PS && |
1267 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { | |
1268 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); | |
f5fc0f86 LC |
1269 | |
1270 | /* | |
1271 | * We enter PSM only if we're already associated. | |
1272 | * If we're not, we'll enter it when joining an SSID, | |
1273 | * through the bss_info_changed() hook. | |
1274 | */ | |
830fb67b | 1275 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
af5e084b | 1276 | wl1271_info("psm enabled"); |
d8c42c0c JO |
1277 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
1278 | true); | |
af5e084b | 1279 | } |
f5fc0f86 | 1280 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
71449f8d | 1281 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
f5fc0f86 LC |
1282 | wl1271_info("psm disabled"); |
1283 | ||
71449f8d | 1284 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
f5fc0f86 | 1285 | |
71449f8d | 1286 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
d8c42c0c JO |
1287 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
1288 | true); | |
f5fc0f86 LC |
1289 | } |
1290 | ||
1291 | if (conf->power_level != wl->power_level) { | |
1292 | ret = wl1271_acx_tx_power(wl, conf->power_level); | |
1293 | if (ret < 0) | |
c6317a54 | 1294 | goto out_sleep; |
f5fc0f86 LC |
1295 | |
1296 | wl->power_level = conf->power_level; | |
1297 | } | |
1298 | ||
1299 | out_sleep: | |
1300 | wl1271_ps_elp_sleep(wl); | |
1301 | ||
1302 | out: | |
1303 | mutex_unlock(&wl->mutex); | |
1304 | ||
1305 | return ret; | |
1306 | } | |
1307 | ||
b54853f1 JO |
1308 | struct wl1271_filter_params { |
1309 | bool enabled; | |
1310 | int mc_list_length; | |
1311 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
1312 | }; | |
1313 | ||
c87dec9f JO |
1314 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count, |
1315 | struct dev_addr_list *mc_list) | |
1316 | { | |
c87dec9f | 1317 | struct wl1271_filter_params *fp; |
c87dec9f JO |
1318 | int i; |
1319 | ||
74441130 | 1320 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
1321 | if (!fp) { |
1322 | wl1271_error("Out of memory setting filters."); | |
1323 | return 0; | |
1324 | } | |
1325 | ||
1326 | /* update multicast filtering parameters */ | |
b54853f1 | 1327 | fp->enabled = true; |
c87dec9f JO |
1328 | if (mc_count > ACX_MC_ADDRESS_GROUP_MAX) { |
1329 | mc_count = 0; | |
b54853f1 | 1330 | fp->enabled = false; |
c87dec9f JO |
1331 | } |
1332 | ||
1333 | fp->mc_list_length = 0; | |
1334 | for (i = 0; i < mc_count; i++) { | |
1335 | if (mc_list->da_addrlen == ETH_ALEN) { | |
1336 | memcpy(fp->mc_list[fp->mc_list_length], | |
1337 | mc_list->da_addr, ETH_ALEN); | |
1338 | fp->mc_list_length++; | |
1339 | } else | |
1340 | wl1271_warning("Unknown mc address length."); | |
74441130 | 1341 | mc_list = mc_list->next; |
c87dec9f JO |
1342 | } |
1343 | ||
b54853f1 | 1344 | return (u64)(unsigned long)fp; |
c87dec9f | 1345 | } |
f5fc0f86 | 1346 | |
b54853f1 JO |
1347 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
1348 | FIF_ALLMULTI | \ | |
1349 | FIF_FCSFAIL | \ | |
1350 | FIF_BCN_PRBRESP_PROMISC | \ | |
1351 | FIF_CONTROL | \ | |
1352 | FIF_OTHER_BSS) | |
1353 | ||
f5fc0f86 LC |
1354 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
1355 | unsigned int changed, | |
c87dec9f | 1356 | unsigned int *total, u64 multicast) |
f5fc0f86 | 1357 | { |
b54853f1 | 1358 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 1359 | struct wl1271 *wl = hw->priv; |
b54853f1 | 1360 | int ret; |
f5fc0f86 LC |
1361 | |
1362 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter"); | |
1363 | ||
b54853f1 JO |
1364 | mutex_lock(&wl->mutex); |
1365 | ||
1366 | if (wl->state == WL1271_STATE_OFF) | |
1367 | goto out; | |
1368 | ||
1369 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1370 | if (ret < 0) | |
1371 | goto out; | |
1372 | ||
f5fc0f86 LC |
1373 | *total &= WL1271_SUPPORTED_FILTERS; |
1374 | changed &= WL1271_SUPPORTED_FILTERS; | |
1375 | ||
b54853f1 JO |
1376 | if (*total & FIF_ALLMULTI) |
1377 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); | |
1378 | else if (fp) | |
1379 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, | |
1380 | fp->mc_list, | |
1381 | fp->mc_list_length); | |
1382 | if (ret < 0) | |
1383 | goto out_sleep; | |
f5fc0f86 | 1384 | |
b54853f1 JO |
1385 | kfree(fp); |
1386 | ||
1387 | /* FIXME: We still need to set our filters properly */ | |
c87dec9f | 1388 | |
b54853f1 JO |
1389 | /* determine, whether supported filter values have changed */ |
1390 | if (changed == 0) | |
1391 | goto out_sleep; | |
c87dec9f | 1392 | |
b54853f1 JO |
1393 | /* apply configured filters */ |
1394 | ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); | |
1395 | if (ret < 0) | |
1396 | goto out_sleep; | |
1397 | ||
1398 | out_sleep: | |
1399 | wl1271_ps_elp_sleep(wl); | |
1400 | ||
1401 | out: | |
1402 | mutex_unlock(&wl->mutex); | |
f5fc0f86 LC |
1403 | } |
1404 | ||
1405 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
1406 | struct ieee80211_vif *vif, | |
1407 | struct ieee80211_sta *sta, | |
1408 | struct ieee80211_key_conf *key_conf) | |
1409 | { | |
1410 | struct wl1271 *wl = hw->priv; | |
1411 | const u8 *addr; | |
1412 | int ret; | |
ac4e4ce5 JO |
1413 | u32 tx_seq_32 = 0; |
1414 | u16 tx_seq_16 = 0; | |
f5fc0f86 LC |
1415 | u8 key_type; |
1416 | ||
1417 | static const u8 bcast_addr[ETH_ALEN] = | |
1418 | { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
1419 | ||
1420 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); | |
1421 | ||
1422 | addr = sta ? sta->addr : bcast_addr; | |
1423 | ||
1424 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); | |
1425 | wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); | |
1426 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", | |
1427 | key_conf->alg, key_conf->keyidx, | |
1428 | key_conf->keylen, key_conf->flags); | |
1429 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
1430 | ||
1431 | if (is_zero_ether_addr(addr)) { | |
1432 | /* We dont support TX only encryption */ | |
1433 | ret = -EOPNOTSUPP; | |
1434 | goto out; | |
1435 | } | |
1436 | ||
1437 | mutex_lock(&wl->mutex); | |
1438 | ||
1439 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1440 | if (ret < 0) | |
1441 | goto out_unlock; | |
1442 | ||
1443 | switch (key_conf->alg) { | |
1444 | case ALG_WEP: | |
1445 | key_type = KEY_WEP; | |
1446 | ||
1447 | key_conf->hw_key_idx = key_conf->keyidx; | |
1448 | break; | |
1449 | case ALG_TKIP: | |
1450 | key_type = KEY_TKIP; | |
1451 | ||
1452 | key_conf->hw_key_idx = key_conf->keyidx; | |
ac4e4ce5 JO |
1453 | tx_seq_32 = wl->tx_security_seq_32; |
1454 | tx_seq_16 = wl->tx_security_seq_16; | |
f5fc0f86 LC |
1455 | break; |
1456 | case ALG_CCMP: | |
1457 | key_type = KEY_AES; | |
1458 | ||
1459 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
ac4e4ce5 JO |
1460 | tx_seq_32 = wl->tx_security_seq_32; |
1461 | tx_seq_16 = wl->tx_security_seq_16; | |
f5fc0f86 LC |
1462 | break; |
1463 | default: | |
1464 | wl1271_error("Unknown key algo 0x%x", key_conf->alg); | |
1465 | ||
1466 | ret = -EOPNOTSUPP; | |
1467 | goto out_sleep; | |
1468 | } | |
1469 | ||
1470 | switch (cmd) { | |
1471 | case SET_KEY: | |
1472 | ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE, | |
1473 | key_conf->keyidx, key_type, | |
1474 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1475 | addr, tx_seq_32, tx_seq_16); |
f5fc0f86 LC |
1476 | if (ret < 0) { |
1477 | wl1271_error("Could not add or replace key"); | |
1478 | goto out_sleep; | |
1479 | } | |
ee444cf0 JO |
1480 | |
1481 | /* the default WEP key needs to be configured at least once */ | |
1482 | if (key_type == KEY_WEP) { | |
1483 | ret = wl1271_cmd_set_default_wep_key(wl, | |
1484 | wl->default_key); | |
1485 | if (ret < 0) | |
1486 | goto out_sleep; | |
1487 | } | |
f5fc0f86 LC |
1488 | break; |
1489 | ||
1490 | case DISABLE_KEY: | |
fddc7dd7 JO |
1491 | /* The wl1271 does not allow to remove unicast keys - they |
1492 | will be cleared automatically on next CMD_JOIN. Ignore the | |
1493 | request silently, as we dont want the mac80211 to emit | |
1494 | an error message. */ | |
1495 | if (!is_broadcast_ether_addr(addr)) | |
1496 | break; | |
1497 | ||
f5fc0f86 LC |
1498 | ret = wl1271_cmd_set_key(wl, KEY_REMOVE, |
1499 | key_conf->keyidx, key_type, | |
1500 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1501 | addr, 0, 0); |
f5fc0f86 LC |
1502 | if (ret < 0) { |
1503 | wl1271_error("Could not remove key"); | |
1504 | goto out_sleep; | |
1505 | } | |
1506 | break; | |
1507 | ||
1508 | default: | |
1509 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
1510 | ret = -EOPNOTSUPP; | |
1511 | goto out_sleep; | |
1512 | ||
1513 | break; | |
1514 | } | |
1515 | ||
1516 | out_sleep: | |
1517 | wl1271_ps_elp_sleep(wl); | |
1518 | ||
1519 | out_unlock: | |
1520 | mutex_unlock(&wl->mutex); | |
1521 | ||
1522 | out: | |
1523 | return ret; | |
1524 | } | |
1525 | ||
1526 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, | |
1527 | struct cfg80211_scan_request *req) | |
1528 | { | |
1529 | struct wl1271 *wl = hw->priv; | |
1530 | int ret; | |
1531 | u8 *ssid = NULL; | |
abb0b3bf | 1532 | size_t len = 0; |
f5fc0f86 LC |
1533 | |
1534 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
1535 | ||
1536 | if (req->n_ssids) { | |
1537 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 1538 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
1539 | } |
1540 | ||
1541 | mutex_lock(&wl->mutex); | |
1542 | ||
1543 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1544 | if (ret < 0) | |
1545 | goto out; | |
1546 | ||
abb0b3bf TP |
1547 | if (wl1271_11a_enabled()) |
1548 | ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0, | |
1549 | WL1271_SCAN_BAND_DUAL, 3); | |
1550 | else | |
1551 | ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0, | |
1552 | WL1271_SCAN_BAND_2_4_GHZ, 3); | |
f5fc0f86 LC |
1553 | |
1554 | wl1271_ps_elp_sleep(wl); | |
1555 | ||
1556 | out: | |
1557 | mutex_unlock(&wl->mutex); | |
1558 | ||
1559 | return ret; | |
1560 | } | |
1561 | ||
1562 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
1563 | { | |
1564 | struct wl1271 *wl = hw->priv; | |
1565 | int ret; | |
1566 | ||
1567 | mutex_lock(&wl->mutex); | |
1568 | ||
1569 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1570 | if (ret < 0) | |
1571 | goto out; | |
1572 | ||
1573 | ret = wl1271_acx_rts_threshold(wl, (u16) value); | |
1574 | if (ret < 0) | |
1575 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); | |
1576 | ||
1577 | wl1271_ps_elp_sleep(wl); | |
1578 | ||
1579 | out: | |
1580 | mutex_unlock(&wl->mutex); | |
1581 | ||
1582 | return ret; | |
1583 | } | |
1584 | ||
30240fc7 JO |
1585 | static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon) |
1586 | { | |
1587 | u8 *ptr = beacon->data + | |
1588 | offsetof(struct ieee80211_mgmt, u.beacon.variable); | |
1589 | ||
1590 | /* find the location of the ssid in the beacon */ | |
1591 | while (ptr < beacon->data + beacon->len) { | |
1592 | if (ptr[0] == WLAN_EID_SSID) { | |
1593 | wl->ssid_len = ptr[1]; | |
1594 | memcpy(wl->ssid, ptr+2, wl->ssid_len); | |
1595 | return; | |
1596 | } | |
1597 | ptr += ptr[1]; | |
1598 | } | |
1599 | wl1271_error("ad-hoc beacon template has no SSID!\n"); | |
1600 | } | |
1601 | ||
f5fc0f86 LC |
1602 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
1603 | struct ieee80211_vif *vif, | |
1604 | struct ieee80211_bss_conf *bss_conf, | |
1605 | u32 changed) | |
1606 | { | |
1607 | enum wl1271_cmd_ps_mode mode; | |
1608 | struct wl1271 *wl = hw->priv; | |
8bf29b0e | 1609 | bool do_join = false; |
f5fc0f86 LC |
1610 | int ret; |
1611 | ||
1612 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed"); | |
1613 | ||
1614 | mutex_lock(&wl->mutex); | |
1615 | ||
1616 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1617 | if (ret < 0) | |
1618 | goto out; | |
1619 | ||
e0d8bbf0 JO |
1620 | if (wl->bss_type == BSS_TYPE_IBSS) { |
1621 | /* FIXME: This implements rudimentary ad-hoc support - | |
1622 | proper templates are on the wish list and notification | |
1623 | on when they change. This patch will update the templates | |
30240fc7 | 1624 | on every call to this function. */ |
e0d8bbf0 JO |
1625 | struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); |
1626 | ||
1627 | if (beacon) { | |
1628 | struct ieee80211_hdr *hdr; | |
30240fc7 JO |
1629 | |
1630 | wl1271_ssid_set(wl, beacon); | |
e0d8bbf0 JO |
1631 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, |
1632 | beacon->data, | |
1633 | beacon->len); | |
1634 | ||
1635 | if (ret < 0) { | |
1636 | dev_kfree_skb(beacon); | |
1637 | goto out_sleep; | |
1638 | } | |
1639 | ||
1640 | hdr = (struct ieee80211_hdr *) beacon->data; | |
1641 | hdr->frame_control = cpu_to_le16( | |
1642 | IEEE80211_FTYPE_MGMT | | |
1643 | IEEE80211_STYPE_PROBE_RESP); | |
1644 | ||
1645 | ret = wl1271_cmd_template_set(wl, | |
1646 | CMD_TEMPL_PROBE_RESPONSE, | |
1647 | beacon->data, | |
1648 | beacon->len); | |
1649 | dev_kfree_skb(beacon); | |
1650 | if (ret < 0) | |
1651 | goto out_sleep; | |
8bf29b0e JO |
1652 | |
1653 | /* Need to update the SSID (for filtering etc) */ | |
1654 | do_join = true; | |
e0d8bbf0 JO |
1655 | } |
1656 | } | |
1657 | ||
30240fc7 JO |
1658 | if ((changed & BSS_CHANGED_BSSID) && |
1659 | /* | |
1660 | * Now we know the correct bssid, so we send a new join command | |
1661 | * and enable the BSSID filter | |
1662 | */ | |
1663 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { | |
1664 | wl->rx_config |= CFG_BSSID_FILTER_EN; | |
1665 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); | |
1666 | ret = wl1271_cmd_build_null_data(wl); | |
1667 | if (ret < 0) { | |
1668 | wl1271_warning("cmd buld null data failed %d", | |
1669 | ret); | |
1670 | goto out_sleep; | |
1671 | } | |
1672 | ||
8bf29b0e JO |
1673 | /* Need to update the BSSID (for filtering etc) */ |
1674 | do_join = true; | |
30240fc7 JO |
1675 | } |
1676 | ||
f5fc0f86 LC |
1677 | if (changed & BSS_CHANGED_ASSOC) { |
1678 | if (bss_conf->assoc) { | |
1679 | wl->aid = bss_conf->aid; | |
830fb67b | 1680 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
f5fc0f86 | 1681 | |
ae751bab LC |
1682 | /* |
1683 | * with wl1271, we don't need to update the | |
1684 | * beacon_int and dtim_period, because the firmware | |
1685 | * updates it by itself when the first beacon is | |
1686 | * received after a join. | |
1687 | */ | |
f5fc0f86 LC |
1688 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
1689 | if (ret < 0) | |
1690 | goto out_sleep; | |
1691 | ||
1692 | ret = wl1271_acx_aid(wl, wl->aid); | |
1693 | if (ret < 0) | |
1694 | goto out_sleep; | |
1695 | ||
1696 | /* If we want to go in PSM but we're not there yet */ | |
71449f8d JO |
1697 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
1698 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { | |
f5fc0f86 | 1699 | mode = STATION_POWER_SAVE_MODE; |
d8c42c0c | 1700 | ret = wl1271_ps_set_mode(wl, mode, true); |
f5fc0f86 LC |
1701 | if (ret < 0) |
1702 | goto out_sleep; | |
1703 | } | |
d94cd297 JO |
1704 | } else { |
1705 | /* use defaults when not associated */ | |
830fb67b | 1706 | clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
d94cd297 | 1707 | wl->aid = 0; |
f5fc0f86 | 1708 | } |
d94cd297 | 1709 | |
f5fc0f86 | 1710 | } |
8a5a37a6 | 1711 | |
f5fc0f86 LC |
1712 | if (changed & BSS_CHANGED_ERP_SLOT) { |
1713 | if (bss_conf->use_short_slot) | |
1714 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); | |
1715 | else | |
1716 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); | |
1717 | if (ret < 0) { | |
1718 | wl1271_warning("Set slot time failed %d", ret); | |
1719 | goto out_sleep; | |
1720 | } | |
1721 | } | |
1722 | ||
1723 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
1724 | if (bss_conf->use_short_preamble) | |
1725 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); | |
1726 | else | |
1727 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); | |
1728 | } | |
1729 | ||
1730 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
1731 | if (bss_conf->use_cts_prot) | |
1732 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); | |
1733 | else | |
1734 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); | |
1735 | if (ret < 0) { | |
1736 | wl1271_warning("Set ctsprotect failed %d", ret); | |
1737 | goto out_sleep; | |
1738 | } | |
1739 | } | |
1740 | ||
8bf29b0e JO |
1741 | if (do_join) { |
1742 | ret = wl1271_cmd_join(wl); | |
1743 | if (ret < 0) { | |
1744 | wl1271_warning("cmd join failed %d", ret); | |
1745 | goto out_sleep; | |
1746 | } | |
1747 | set_bit(WL1271_FLAG_JOINED, &wl->flags); | |
1748 | } | |
1749 | ||
f5fc0f86 LC |
1750 | out_sleep: |
1751 | wl1271_ps_elp_sleep(wl); | |
1752 | ||
1753 | out: | |
1754 | mutex_unlock(&wl->mutex); | |
1755 | } | |
1756 | ||
c6999d83 KV |
1757 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
1758 | const struct ieee80211_tx_queue_params *params) | |
1759 | { | |
1760 | struct wl1271 *wl = hw->priv; | |
1761 | int ret; | |
1762 | ||
1763 | mutex_lock(&wl->mutex); | |
1764 | ||
1765 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
1766 | ||
c82c1dde KV |
1767 | ret = wl1271_ps_elp_wakeup(wl, false); |
1768 | if (ret < 0) | |
1769 | goto out; | |
1770 | ||
c6999d83 KV |
1771 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), |
1772 | params->cw_min, params->cw_max, | |
1773 | params->aifs, params->txop); | |
1774 | if (ret < 0) | |
c82c1dde | 1775 | goto out_sleep; |
c6999d83 KV |
1776 | |
1777 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), | |
1778 | CONF_CHANNEL_TYPE_EDCF, | |
1779 | wl1271_tx_get_queue(queue), | |
1780 | CONF_PS_SCHEME_LEGACY_PSPOLL, | |
1781 | CONF_ACK_POLICY_LEGACY, 0, 0); | |
1782 | if (ret < 0) | |
c82c1dde KV |
1783 | goto out_sleep; |
1784 | ||
1785 | out_sleep: | |
1786 | wl1271_ps_elp_sleep(wl); | |
c6999d83 KV |
1787 | |
1788 | out: | |
1789 | mutex_unlock(&wl->mutex); | |
1790 | ||
1791 | return ret; | |
1792 | } | |
1793 | ||
f5fc0f86 LC |
1794 | |
1795 | /* can't be const, mac80211 writes to this */ | |
1796 | static struct ieee80211_rate wl1271_rates[] = { | |
1797 | { .bitrate = 10, | |
2b60100b JO |
1798 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
1799 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 1800 | { .bitrate = 20, |
2b60100b JO |
1801 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
1802 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
1803 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1804 | { .bitrate = 55, | |
2b60100b JO |
1805 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
1806 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
1807 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1808 | { .bitrate = 110, | |
2b60100b JO |
1809 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
1810 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
1811 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1812 | { .bitrate = 60, | |
2b60100b JO |
1813 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
1814 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 1815 | { .bitrate = 90, |
2b60100b JO |
1816 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
1817 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 1818 | { .bitrate = 120, |
2b60100b JO |
1819 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
1820 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 1821 | { .bitrate = 180, |
2b60100b JO |
1822 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
1823 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 1824 | { .bitrate = 240, |
2b60100b JO |
1825 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
1826 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 1827 | { .bitrate = 360, |
2b60100b JO |
1828 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
1829 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 1830 | { .bitrate = 480, |
2b60100b JO |
1831 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
1832 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 1833 | { .bitrate = 540, |
2b60100b JO |
1834 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
1835 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
1836 | }; |
1837 | ||
1838 | /* can't be const, mac80211 writes to this */ | |
1839 | static struct ieee80211_channel wl1271_channels[] = { | |
a2d0e3f1 LC |
1840 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
1841 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, | |
1842 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, | |
1843 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, | |
1844 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, | |
1845 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, | |
1846 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, | |
1847 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, | |
1848 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, | |
1849 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, | |
1850 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, | |
1851 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, | |
1852 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, | |
f5fc0f86 LC |
1853 | }; |
1854 | ||
1855 | /* can't be const, mac80211 writes to this */ | |
1856 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
1857 | .channels = wl1271_channels, | |
1858 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
1859 | .bitrates = wl1271_rates, | |
1860 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
1861 | }; | |
1862 | ||
1ebec3d7 TP |
1863 | /* 5 GHz data rates for WL1273 */ |
1864 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
1865 | { .bitrate = 60, | |
1866 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
1867 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
1868 | { .bitrate = 90, | |
1869 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
1870 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
1871 | { .bitrate = 120, | |
1872 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
1873 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
1874 | { .bitrate = 180, | |
1875 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
1876 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
1877 | { .bitrate = 240, | |
1878 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
1879 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
1880 | { .bitrate = 360, | |
1881 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
1882 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
1883 | { .bitrate = 480, | |
1884 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
1885 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
1886 | { .bitrate = 540, | |
1887 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
1888 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
1889 | }; | |
1890 | ||
1891 | /* 5 GHz band channels for WL1273 */ | |
1892 | static struct ieee80211_channel wl1271_channels_5ghz[] = { | |
1893 | { .hw_value = 183, .center_freq = 4915}, | |
1894 | { .hw_value = 184, .center_freq = 4920}, | |
1895 | { .hw_value = 185, .center_freq = 4925}, | |
1896 | { .hw_value = 187, .center_freq = 4935}, | |
1897 | { .hw_value = 188, .center_freq = 4940}, | |
1898 | { .hw_value = 189, .center_freq = 4945}, | |
1899 | { .hw_value = 192, .center_freq = 4960}, | |
1900 | { .hw_value = 196, .center_freq = 4980}, | |
1901 | { .hw_value = 7, .center_freq = 5035}, | |
1902 | { .hw_value = 8, .center_freq = 5040}, | |
1903 | { .hw_value = 9, .center_freq = 5045}, | |
1904 | { .hw_value = 11, .center_freq = 5055}, | |
1905 | { .hw_value = 12, .center_freq = 5060}, | |
1906 | { .hw_value = 16, .center_freq = 5080}, | |
1907 | { .hw_value = 34, .center_freq = 5170}, | |
1908 | { .hw_value = 36, .center_freq = 5180}, | |
1909 | { .hw_value = 38, .center_freq = 5190}, | |
1910 | { .hw_value = 40, .center_freq = 5200}, | |
1911 | { .hw_value = 42, .center_freq = 5210}, | |
1912 | { .hw_value = 44, .center_freq = 5220}, | |
1913 | { .hw_value = 46, .center_freq = 5230}, | |
1914 | { .hw_value = 48, .center_freq = 5240}, | |
1915 | { .hw_value = 52, .center_freq = 5260}, | |
1916 | { .hw_value = 56, .center_freq = 5280}, | |
1917 | { .hw_value = 60, .center_freq = 5300}, | |
1918 | { .hw_value = 64, .center_freq = 5320}, | |
1919 | { .hw_value = 100, .center_freq = 5500}, | |
1920 | { .hw_value = 104, .center_freq = 5520}, | |
1921 | { .hw_value = 108, .center_freq = 5540}, | |
1922 | { .hw_value = 112, .center_freq = 5560}, | |
1923 | { .hw_value = 116, .center_freq = 5580}, | |
1924 | { .hw_value = 120, .center_freq = 5600}, | |
1925 | { .hw_value = 124, .center_freq = 5620}, | |
1926 | { .hw_value = 128, .center_freq = 5640}, | |
1927 | { .hw_value = 132, .center_freq = 5660}, | |
1928 | { .hw_value = 136, .center_freq = 5680}, | |
1929 | { .hw_value = 140, .center_freq = 5700}, | |
1930 | { .hw_value = 149, .center_freq = 5745}, | |
1931 | { .hw_value = 153, .center_freq = 5765}, | |
1932 | { .hw_value = 157, .center_freq = 5785}, | |
1933 | { .hw_value = 161, .center_freq = 5805}, | |
1934 | { .hw_value = 165, .center_freq = 5825}, | |
1935 | }; | |
1936 | ||
1937 | ||
1938 | static struct ieee80211_supported_band wl1271_band_5ghz = { | |
1939 | .channels = wl1271_channels_5ghz, | |
1940 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
1941 | .bitrates = wl1271_rates_5ghz, | |
1942 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
1943 | }; | |
1944 | ||
f5fc0f86 LC |
1945 | static const struct ieee80211_ops wl1271_ops = { |
1946 | .start = wl1271_op_start, | |
1947 | .stop = wl1271_op_stop, | |
1948 | .add_interface = wl1271_op_add_interface, | |
1949 | .remove_interface = wl1271_op_remove_interface, | |
1950 | .config = wl1271_op_config, | |
1951 | /* .config_interface = wl1271_op_config_interface, */ | |
c87dec9f | 1952 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
1953 | .configure_filter = wl1271_op_configure_filter, |
1954 | .tx = wl1271_op_tx, | |
1955 | .set_key = wl1271_op_set_key, | |
1956 | .hw_scan = wl1271_op_hw_scan, | |
1957 | .bss_info_changed = wl1271_op_bss_info_changed, | |
1958 | .set_rts_threshold = wl1271_op_set_rts_threshold, | |
c6999d83 | 1959 | .conf_tx = wl1271_op_conf_tx, |
c8c90873 | 1960 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
1961 | }; |
1962 | ||
1963 | static int wl1271_register_hw(struct wl1271 *wl) | |
1964 | { | |
1965 | int ret; | |
1966 | ||
1967 | if (wl->mac80211_registered) | |
1968 | return 0; | |
1969 | ||
1970 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); | |
1971 | ||
1972 | ret = ieee80211_register_hw(wl->hw); | |
1973 | if (ret < 0) { | |
1974 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
1975 | return ret; | |
1976 | } | |
1977 | ||
1978 | wl->mac80211_registered = true; | |
1979 | ||
1980 | wl1271_notice("loaded"); | |
1981 | ||
1982 | return 0; | |
1983 | } | |
1984 | ||
1985 | static int wl1271_init_ieee80211(struct wl1271 *wl) | |
1986 | { | |
1e2b7976 JO |
1987 | /* The tx descriptor buffer and the TKIP space. */ |
1988 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + | |
1989 | sizeof(struct wl1271_tx_hw_descr); | |
f5fc0f86 LC |
1990 | |
1991 | /* unit us */ | |
1992 | /* FIXME: find a proper value */ | |
1993 | wl->hw->channel_change_time = 10000; | |
1994 | ||
1995 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
1922167b | 1996 | IEEE80211_HW_NOISE_DBM | |
03442a33 JO |
1997 | IEEE80211_HW_BEACON_FILTER | |
1998 | IEEE80211_HW_SUPPORTS_PS; | |
f5fc0f86 | 1999 | |
e0d8bbf0 JO |
2000 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
2001 | BIT(NL80211_IFTYPE_ADHOC); | |
f5fc0f86 LC |
2002 | wl->hw->wiphy->max_scan_ssids = 1; |
2003 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz; | |
2004 | ||
1ebec3d7 TP |
2005 | if (wl1271_11a_enabled()) |
2006 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz; | |
2007 | ||
f5fc0f86 LC |
2008 | SET_IEEE80211_DEV(wl->hw, &wl->spi->dev); |
2009 | ||
2010 | return 0; | |
2011 | } | |
2012 | ||
2013 | static void wl1271_device_release(struct device *dev) | |
2014 | { | |
2015 | ||
2016 | } | |
2017 | ||
2018 | static struct platform_device wl1271_device = { | |
2019 | .name = "wl1271", | |
2020 | .id = -1, | |
2021 | ||
2022 | /* device model insists to have a release function */ | |
2023 | .dev = { | |
2024 | .release = wl1271_device_release, | |
2025 | }, | |
2026 | }; | |
2027 | ||
2028 | #define WL1271_DEFAULT_CHANNEL 0 | |
c332a4b8 TP |
2029 | |
2030 | static struct ieee80211_hw *wl1271_alloc_hw(void) | |
f5fc0f86 | 2031 | { |
f5fc0f86 LC |
2032 | struct ieee80211_hw *hw; |
2033 | struct wl1271 *wl; | |
c332a4b8 | 2034 | int i; |
f5fc0f86 LC |
2035 | |
2036 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
2037 | if (!hw) { | |
2038 | wl1271_error("could not alloc ieee80211_hw"); | |
c332a4b8 | 2039 | return ERR_PTR(-ENOMEM); |
f5fc0f86 LC |
2040 | } |
2041 | ||
2042 | wl = hw->priv; | |
2043 | memset(wl, 0, sizeof(*wl)); | |
2044 | ||
01c09162 JO |
2045 | INIT_LIST_HEAD(&wl->list); |
2046 | ||
f5fc0f86 | 2047 | wl->hw = hw; |
f5fc0f86 LC |
2048 | |
2049 | skb_queue_head_init(&wl->tx_queue); | |
2050 | ||
37b70a81 | 2051 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
f5fc0f86 | 2052 | wl->channel = WL1271_DEFAULT_CHANNEL; |
f5fc0f86 | 2053 | wl->default_key = 0; |
f5fc0f86 LC |
2054 | wl->rx_counter = 0; |
2055 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
2056 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
19ad0715 | 2057 | wl->psm_entry_retry = 0; |
f5fc0f86 | 2058 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
a6fe2313 | 2059 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
830fb67b JO |
2060 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
2061 | wl->sta_rate_set = 0; | |
8a5a37a6 | 2062 | wl->band = IEEE80211_BAND_2GHZ; |
b771eee5 | 2063 | wl->vif = NULL; |
830fb67b | 2064 | wl->flags = 0; |
f5fc0f86 | 2065 | |
be7078c2 | 2066 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
f5fc0f86 LC |
2067 | wl->tx_frames[i] = NULL; |
2068 | ||
2069 | spin_lock_init(&wl->wl_lock); | |
2070 | ||
f5fc0f86 LC |
2071 | wl->state = WL1271_STATE_OFF; |
2072 | mutex_init(&wl->mutex); | |
2073 | ||
c332a4b8 TP |
2074 | /* Apply default driver configuration. */ |
2075 | wl1271_conf_init(wl); | |
2076 | ||
2077 | return hw; | |
2078 | } | |
2079 | ||
2080 | int wl1271_free_hw(struct wl1271 *wl) | |
2081 | { | |
2082 | ieee80211_unregister_hw(wl->hw); | |
2083 | ||
2084 | wl1271_debugfs_exit(wl); | |
2085 | ||
2086 | kfree(wl->target_mem_map); | |
2087 | vfree(wl->fw); | |
2088 | wl->fw = NULL; | |
2089 | kfree(wl->nvs); | |
2090 | wl->nvs = NULL; | |
2091 | ||
2092 | kfree(wl->fw_status); | |
2093 | kfree(wl->tx_res_if); | |
2094 | ||
2095 | ieee80211_free_hw(wl->hw); | |
2096 | ||
2097 | return 0; | |
2098 | } | |
2099 | ||
2100 | static int __devinit wl1271_probe(struct spi_device *spi) | |
2101 | { | |
2102 | struct wl12xx_platform_data *pdata; | |
2103 | struct ieee80211_hw *hw; | |
2104 | struct wl1271 *wl; | |
2105 | int ret; | |
2106 | ||
2107 | pdata = spi->dev.platform_data; | |
2108 | if (!pdata) { | |
2109 | wl1271_error("no platform data"); | |
2110 | return -ENODEV; | |
2111 | } | |
2112 | ||
2113 | hw = wl1271_alloc_hw(); | |
2114 | if (IS_ERR(hw)) | |
2115 | return PTR_ERR(hw); | |
2116 | ||
2117 | wl = hw->priv; | |
2118 | ||
2119 | dev_set_drvdata(&spi->dev, wl); | |
2120 | wl->spi = spi; | |
2121 | ||
f5fc0f86 LC |
2122 | /* This is the only SPI value that we need to set here, the rest |
2123 | * comes from the board-peripherals file */ | |
2124 | spi->bits_per_word = 32; | |
2125 | ||
2126 | ret = spi_setup(spi); | |
2127 | if (ret < 0) { | |
2128 | wl1271_error("spi_setup failed"); | |
2129 | goto out_free; | |
2130 | } | |
2131 | ||
2132 | wl->set_power = pdata->set_power; | |
2133 | if (!wl->set_power) { | |
2134 | wl1271_error("set power function missing in platform data"); | |
2135 | ret = -ENODEV; | |
2136 | goto out_free; | |
2137 | } | |
2138 | ||
2139 | wl->irq = spi->irq; | |
2140 | if (wl->irq < 0) { | |
2141 | wl1271_error("irq missing in platform data"); | |
2142 | ret = -ENODEV; | |
2143 | goto out_free; | |
2144 | } | |
2145 | ||
2146 | ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl); | |
2147 | if (ret < 0) { | |
2148 | wl1271_error("request_irq() failed: %d", ret); | |
2149 | goto out_free; | |
2150 | } | |
2151 | ||
2152 | set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); | |
2153 | ||
2154 | disable_irq(wl->irq); | |
2155 | ||
2156 | ret = platform_device_register(&wl1271_device); | |
2157 | if (ret) { | |
2158 | wl1271_error("couldn't register platform device"); | |
2159 | goto out_irq; | |
2160 | } | |
2161 | dev_set_drvdata(&wl1271_device.dev, wl); | |
2162 | ||
2163 | ret = wl1271_init_ieee80211(wl); | |
2164 | if (ret) | |
2165 | goto out_platform; | |
2166 | ||
2167 | ret = wl1271_register_hw(wl); | |
2168 | if (ret) | |
2169 | goto out_platform; | |
2170 | ||
2171 | wl1271_debugfs_init(wl); | |
2172 | ||
2173 | wl1271_notice("initialized"); | |
2174 | ||
2175 | return 0; | |
2176 | ||
2177 | out_platform: | |
2178 | platform_device_unregister(&wl1271_device); | |
2179 | ||
2180 | out_irq: | |
2181 | free_irq(wl->irq, wl); | |
2182 | ||
2183 | out_free: | |
f5fc0f86 LC |
2184 | ieee80211_free_hw(hw); |
2185 | ||
2186 | return ret; | |
2187 | } | |
2188 | ||
2189 | static int __devexit wl1271_remove(struct spi_device *spi) | |
2190 | { | |
2191 | struct wl1271 *wl = dev_get_drvdata(&spi->dev); | |
2192 | ||
f5fc0f86 LC |
2193 | platform_device_unregister(&wl1271_device); |
2194 | free_irq(wl->irq, wl); | |
f5fc0f86 | 2195 | |
c332a4b8 | 2196 | wl1271_free_hw(wl); |
f5fc0f86 LC |
2197 | |
2198 | return 0; | |
2199 | } | |
2200 | ||
2201 | ||
2202 | static struct spi_driver wl1271_spi_driver = { | |
2203 | .driver = { | |
2204 | .name = "wl1271", | |
2205 | .bus = &spi_bus_type, | |
2206 | .owner = THIS_MODULE, | |
2207 | }, | |
2208 | ||
2209 | .probe = wl1271_probe, | |
2210 | .remove = __devexit_p(wl1271_remove), | |
2211 | }; | |
2212 | ||
2213 | static int __init wl1271_init(void) | |
2214 | { | |
2215 | int ret; | |
2216 | ||
2217 | ret = spi_register_driver(&wl1271_spi_driver); | |
2218 | if (ret < 0) { | |
2219 | wl1271_error("failed to register spi driver: %d", ret); | |
2220 | goto out; | |
2221 | } | |
2222 | ||
2223 | out: | |
2224 | return ret; | |
2225 | } | |
2226 | ||
2227 | static void __exit wl1271_exit(void) | |
2228 | { | |
2229 | spi_unregister_driver(&wl1271_spi_driver); | |
2230 | ||
2231 | wl1271_notice("unloaded"); | |
2232 | } | |
2233 | ||
2234 | module_init(wl1271_init); | |
2235 | module_exit(wl1271_exit); | |
2236 | ||
2237 | MODULE_LICENSE("GPL"); | |
2238 | MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); | |
2f018725 | 2239 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |
49f146de | 2240 | MODULE_FIRMWARE(WL1271_FW_NAME); |