Commit | Line | Data |
---|---|---|
f5fc0f86 LC |
1 | /* |
2 | * This file is part of wl1271 | |
3 | * | |
8bf29b0e | 4 | * Copyright (C) 2008-2010 Nokia Corporation |
f5fc0f86 LC |
5 | * |
6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/module.h> | |
f5fc0f86 LC |
25 | #include <linux/firmware.h> |
26 | #include <linux/delay.h> | |
f5fc0f86 LC |
27 | #include <linux/spi/spi.h> |
28 | #include <linux/crc32.h> | |
29 | #include <linux/etherdevice.h> | |
1fba4974 | 30 | #include <linux/vmalloc.h> |
a1dd8187 | 31 | #include <linux/platform_device.h> |
5a0e3ad6 | 32 | #include <linux/slab.h> |
f5fc0f86 LC |
33 | |
34 | #include "wl1271.h" | |
35 | #include "wl12xx_80211.h" | |
36 | #include "wl1271_reg.h" | |
7b048c52 | 37 | #include "wl1271_io.h" |
f5fc0f86 LC |
38 | #include "wl1271_event.h" |
39 | #include "wl1271_tx.h" | |
40 | #include "wl1271_rx.h" | |
41 | #include "wl1271_ps.h" | |
42 | #include "wl1271_init.h" | |
43 | #include "wl1271_debugfs.h" | |
44 | #include "wl1271_cmd.h" | |
45 | #include "wl1271_boot.h" | |
c8c90873 | 46 | #include "wl1271_testmode.h" |
34dd2aaa | 47 | #include "wl1271_scan.h" |
f5fc0f86 | 48 | |
9ccd9217 JO |
49 | #define WL1271_BOOT_RETRIES 3 |
50 | ||
8a08048a JO |
51 | static struct conf_drv_settings default_conf = { |
52 | .sg = { | |
1b00f546 JO |
53 | .params = { |
54 | [CONF_SG_BT_PER_THRESHOLD] = 7500, | |
55 | [CONF_SG_HV3_MAX_OVERRIDE] = 0, | |
56 | [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, | |
57 | [CONF_SG_BT_LOAD_RATIO] = 50, | |
8d2ef7bd | 58 | [CONF_SG_AUTO_PS_MODE] = 1, |
1b00f546 JO |
59 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, |
60 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, | |
61 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, | |
62 | [CONF_SG_BEACON_MISS_PERCENT] = 60, | |
63 | [CONF_SG_RATE_ADAPT_THRESH] = 12, | |
64 | [CONF_SG_RATE_ADAPT_SNR] = 0, | |
65 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, | |
66 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30, | |
67 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8, | |
68 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, | |
69 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50, | |
70 | /* Note: with UPSD, this should be 4 */ | |
71 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8, | |
72 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, | |
73 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, | |
74 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20, | |
75 | /* Note: with UPDS, this should be 15 */ | |
76 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, | |
77 | /* Note: with UPDS, this should be 50 */ | |
78 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40, | |
79 | /* Note: with UPDS, this should be 10 */ | |
80 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20, | |
81 | [CONF_SG_RXT] = 1200, | |
82 | [CONF_SG_TXT] = 1000, | |
83 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, | |
84 | [CONF_SG_PS_POLL_TIMEOUT] = 10, | |
85 | [CONF_SG_UPSD_TIMEOUT] = 10, | |
86 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, | |
87 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, | |
88 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, | |
89 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, | |
90 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, | |
91 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, | |
92 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, | |
93 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, | |
94 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, | |
95 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, | |
96 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, | |
97 | [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, | |
98 | [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, | |
99 | [CONF_SG_HV3_MAX_SERVED] = 6, | |
100 | [CONF_SG_DHCP_TIME] = 5000, | |
101 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, | |
102 | }, | |
103 | .state = CONF_SG_PROTECTIVE, | |
8a08048a JO |
104 | }, |
105 | .rx = { | |
106 | .rx_msdu_life_time = 512000, | |
107 | .packet_detection_threshold = 0, | |
108 | .ps_poll_timeout = 15, | |
109 | .upsd_timeout = 15, | |
110 | .rts_threshold = 2347, | |
3ed8f2c6 LC |
111 | .rx_cca_threshold = 0, |
112 | .irq_blk_threshold = 0xFFFF, | |
113 | .irq_pkt_threshold = 0, | |
114 | .irq_timeout = 600, | |
8a08048a JO |
115 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
116 | }, | |
117 | .tx = { | |
118 | .tx_energy_detection = 0, | |
119 | .rc_conf = { | |
ebba60c6 | 120 | .enabled_rates = 0, |
8a08048a JO |
121 | .short_retry_limit = 10, |
122 | .long_retry_limit = 10, | |
123 | .aflags = 0 | |
45b531a8 | 124 | }, |
8a08048a JO |
125 | .ac_conf_count = 4, |
126 | .ac_conf = { | |
127 | [0] = { | |
128 | .ac = CONF_TX_AC_BE, | |
129 | .cw_min = 15, | |
130 | .cw_max = 63, | |
131 | .aifsn = 3, | |
132 | .tx_op_limit = 0, | |
45b531a8 | 133 | }, |
8a08048a JO |
134 | [1] = { |
135 | .ac = CONF_TX_AC_BK, | |
136 | .cw_min = 15, | |
137 | .cw_max = 63, | |
138 | .aifsn = 7, | |
139 | .tx_op_limit = 0, | |
45b531a8 | 140 | }, |
8a08048a JO |
141 | [2] = { |
142 | .ac = CONF_TX_AC_VI, | |
143 | .cw_min = 15, | |
144 | .cw_max = 63, | |
145 | .aifsn = CONF_TX_AIFS_PIFS, | |
146 | .tx_op_limit = 3008, | |
147 | }, | |
148 | [3] = { | |
149 | .ac = CONF_TX_AC_VO, | |
150 | .cw_min = 15, | |
151 | .cw_max = 63, | |
152 | .aifsn = CONF_TX_AIFS_PIFS, | |
153 | .tx_op_limit = 1504, | |
45b531a8 | 154 | }, |
51f2be24 | 155 | }, |
8a08048a JO |
156 | .tid_conf_count = 7, |
157 | .tid_conf = { | |
158 | [0] = { | |
159 | .queue_id = 0, | |
160 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
161 | .tsid = CONF_TX_AC_BE, | |
162 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
163 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
164 | .apsd_conf = {0, 0}, | |
165 | }, | |
166 | [1] = { | |
167 | .queue_id = 1, | |
168 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
169 | .tsid = CONF_TX_AC_BE, | |
170 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
171 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
172 | .apsd_conf = {0, 0}, | |
51f2be24 | 173 | }, |
8a08048a JO |
174 | [2] = { |
175 | .queue_id = 2, | |
176 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
177 | .tsid = CONF_TX_AC_BE, | |
178 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
179 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
180 | .apsd_conf = {0, 0}, | |
51f2be24 | 181 | }, |
8a08048a JO |
182 | [3] = { |
183 | .queue_id = 3, | |
184 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
185 | .tsid = CONF_TX_AC_BE, | |
186 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
187 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
188 | .apsd_conf = {0, 0}, | |
189 | }, | |
190 | [4] = { | |
191 | .queue_id = 4, | |
192 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
193 | .tsid = CONF_TX_AC_BE, | |
194 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
195 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
196 | .apsd_conf = {0, 0}, | |
197 | }, | |
198 | [5] = { | |
199 | .queue_id = 5, | |
200 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
201 | .tsid = CONF_TX_AC_BE, | |
202 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
203 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
204 | .apsd_conf = {0, 0}, | |
205 | }, | |
206 | [6] = { | |
207 | .queue_id = 6, | |
208 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
209 | .tsid = CONF_TX_AC_BE, | |
210 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
211 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
212 | .apsd_conf = {0, 0}, | |
213 | } | |
214 | }, | |
215 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, | |
3ed8f2c6 | 216 | .tx_compl_timeout = 700, |
ebba60c6 JO |
217 | .tx_compl_threshold = 4, |
218 | .basic_rate = CONF_HW_BIT_RATE_1MBPS, | |
219 | .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, | |
8a08048a JO |
220 | }, |
221 | .conn = { | |
222 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, | |
50c500ad | 223 | .listen_interval = 1, |
8a08048a JO |
224 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, |
225 | .bcn_filt_ie_count = 1, | |
226 | .bcn_filt_ie = { | |
227 | [0] = { | |
228 | .ie = WLAN_EID_CHANNEL_SWITCH, | |
229 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, | |
51f2be24 | 230 | } |
47fab7d5 | 231 | }, |
3ed8f2c6 | 232 | .synch_fail_thold = 10, |
8a08048a JO |
233 | .bss_lose_timeout = 100, |
234 | .beacon_rx_timeout = 10000, | |
235 | .broadcast_timeout = 20000, | |
236 | .rx_broadcast_in_ps = 1, | |
90494a90 JO |
237 | .ps_poll_threshold = 10, |
238 | .ps_poll_recovery_period = 700, | |
11f70f97 | 239 | .bet_enable = CONF_BET_MODE_ENABLE, |
84502563 | 240 | .bet_max_consecutive = 10, |
c1899554 | 241 | .psm_entry_retries = 3, |
50c500ad JO |
242 | .keep_alive_interval = 55000, |
243 | .max_listen_interval = 20, | |
8a08048a | 244 | }, |
6e92b416 LC |
245 | .itrim = { |
246 | .enable = false, | |
247 | .timeout = 50000, | |
38ad2d87 JO |
248 | }, |
249 | .pm_config = { | |
250 | .host_clk_settling_time = 5000, | |
251 | .host_fast_wakeup_support = false | |
00236aed JO |
252 | }, |
253 | .roam_trigger = { | |
254 | /* FIXME: due to firmware bug, must use value 1 for now */ | |
255 | .trigger_pacing = 1, | |
256 | .avg_weight_rssi_beacon = 20, | |
257 | .avg_weight_rssi_data = 10, | |
258 | .avg_weight_snr_beacon = 20, | |
259 | .avg_weight_snr_data = 10 | |
8a08048a JO |
260 | } |
261 | }; | |
262 | ||
a1dd8187 JO |
263 | static void wl1271_device_release(struct device *dev) |
264 | { | |
265 | ||
266 | } | |
267 | ||
268 | static struct platform_device wl1271_device = { | |
269 | .name = "wl1271", | |
270 | .id = -1, | |
271 | ||
272 | /* device model insists to have a release function */ | |
273 | .dev = { | |
274 | .release = wl1271_device_release, | |
275 | }, | |
276 | }; | |
277 | ||
01c09162 JO |
278 | static LIST_HEAD(wl_list); |
279 | ||
c2c192ac JO |
280 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
281 | void *arg) | |
282 | { | |
283 | struct net_device *dev = arg; | |
284 | struct wireless_dev *wdev; | |
285 | struct wiphy *wiphy; | |
286 | struct ieee80211_hw *hw; | |
287 | struct wl1271 *wl; | |
288 | struct wl1271 *wl_temp; | |
289 | int ret = 0; | |
290 | ||
291 | /* Check that this notification is for us. */ | |
292 | if (what != NETDEV_CHANGE) | |
293 | return NOTIFY_DONE; | |
294 | ||
295 | wdev = dev->ieee80211_ptr; | |
296 | if (wdev == NULL) | |
297 | return NOTIFY_DONE; | |
298 | ||
299 | wiphy = wdev->wiphy; | |
300 | if (wiphy == NULL) | |
301 | return NOTIFY_DONE; | |
302 | ||
303 | hw = wiphy_priv(wiphy); | |
304 | if (hw == NULL) | |
305 | return NOTIFY_DONE; | |
306 | ||
307 | wl_temp = hw->priv; | |
308 | list_for_each_entry(wl, &wl_list, list) { | |
309 | if (wl == wl_temp) | |
310 | break; | |
311 | } | |
312 | if (wl != wl_temp) | |
313 | return NOTIFY_DONE; | |
314 | ||
315 | mutex_lock(&wl->mutex); | |
316 | ||
317 | if (wl->state == WL1271_STATE_OFF) | |
318 | goto out; | |
319 | ||
320 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
321 | goto out; | |
322 | ||
323 | ret = wl1271_ps_elp_wakeup(wl, false); | |
324 | if (ret < 0) | |
325 | goto out; | |
326 | ||
327 | if ((dev->operstate == IF_OPER_UP) && | |
328 | !test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) { | |
329 | wl1271_cmd_set_sta_state(wl); | |
330 | wl1271_info("Association completed."); | |
331 | } | |
332 | ||
333 | wl1271_ps_elp_sleep(wl); | |
334 | ||
335 | out: | |
336 | mutex_unlock(&wl->mutex); | |
337 | ||
338 | return NOTIFY_OK; | |
339 | } | |
340 | ||
8a08048a JO |
341 | static void wl1271_conf_init(struct wl1271 *wl) |
342 | { | |
2b60100b JO |
343 | |
344 | /* | |
345 | * This function applies the default configuration to the driver. This | |
346 | * function is invoked upon driver load (spi probe.) | |
347 | * | |
348 | * The configuration is stored in a run-time structure in order to | |
349 | * facilitate for run-time adjustment of any of the parameters. Making | |
350 | * changes to the configuration structure will apply the new values on | |
351 | * the next interface up (wl1271_op_start.) | |
352 | */ | |
353 | ||
354 | /* apply driver default configuration */ | |
8a08048a | 355 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
2b60100b JO |
356 | } |
357 | ||
358 | ||
f5fc0f86 LC |
359 | static int wl1271_plt_init(struct wl1271 *wl) |
360 | { | |
12419cce LC |
361 | struct conf_tx_ac_category *conf_ac; |
362 | struct conf_tx_tid *conf_tid; | |
363 | int ret, i; | |
f5fc0f86 | 364 | |
98b5dd5d | 365 | ret = wl1271_cmd_general_parms(wl); |
4a90406b | 366 | if (ret < 0) |
cc7defa3 LC |
367 | return ret; |
368 | ||
98b5dd5d | 369 | ret = wl1271_cmd_radio_parms(wl); |
4a90406b | 370 | if (ret < 0) |
cc7defa3 LC |
371 | return ret; |
372 | ||
12419cce LC |
373 | ret = wl1271_init_templates_config(wl); |
374 | if (ret < 0) | |
375 | return ret; | |
376 | ||
f5fc0f86 LC |
377 | ret = wl1271_acx_init_mem_config(wl); |
378 | if (ret < 0) | |
379 | return ret; | |
380 | ||
12419cce LC |
381 | /* PHY layer config */ |
382 | ret = wl1271_init_phy_config(wl); | |
383 | if (ret < 0) | |
384 | goto out_free_memmap; | |
385 | ||
386 | ret = wl1271_acx_dco_itrim_params(wl); | |
387 | if (ret < 0) | |
388 | goto out_free_memmap; | |
389 | ||
390 | /* Initialize connection monitoring thresholds */ | |
6ccbb92e | 391 | ret = wl1271_acx_conn_monit_params(wl, false); |
12419cce LC |
392 | if (ret < 0) |
393 | goto out_free_memmap; | |
394 | ||
395 | /* Bluetooth WLAN coexistence */ | |
396 | ret = wl1271_init_pta(wl); | |
397 | if (ret < 0) | |
398 | goto out_free_memmap; | |
399 | ||
400 | /* Energy detection */ | |
401 | ret = wl1271_init_energy_detection(wl); | |
402 | if (ret < 0) | |
403 | goto out_free_memmap; | |
404 | ||
405 | /* Default fragmentation threshold */ | |
406 | ret = wl1271_acx_frag_threshold(wl); | |
407 | if (ret < 0) | |
408 | goto out_free_memmap; | |
409 | ||
410 | /* Default TID configuration */ | |
411 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { | |
412 | conf_tid = &wl->conf.tx.tid_conf[i]; | |
413 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, | |
414 | conf_tid->channel_type, | |
415 | conf_tid->tsid, | |
416 | conf_tid->ps_scheme, | |
417 | conf_tid->ack_policy, | |
418 | conf_tid->apsd_conf[0], | |
419 | conf_tid->apsd_conf[1]); | |
420 | if (ret < 0) | |
421 | goto out_free_memmap; | |
422 | } | |
423 | ||
424 | /* Default AC configuration */ | |
425 | for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { | |
426 | conf_ac = &wl->conf.tx.ac_conf[i]; | |
427 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, | |
428 | conf_ac->cw_max, conf_ac->aifsn, | |
429 | conf_ac->tx_op_limit); | |
430 | if (ret < 0) | |
431 | goto out_free_memmap; | |
432 | } | |
433 | ||
434 | /* Enable data path */ | |
94210897 | 435 | ret = wl1271_cmd_data_path(wl, 1); |
f5fc0f86 | 436 | if (ret < 0) |
12419cce LC |
437 | goto out_free_memmap; |
438 | ||
439 | /* Configure for CAM power saving (ie. always active) */ | |
440 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); | |
441 | if (ret < 0) | |
442 | goto out_free_memmap; | |
443 | ||
444 | /* configure PM */ | |
445 | ret = wl1271_acx_pm_config(wl); | |
446 | if (ret < 0) | |
447 | goto out_free_memmap; | |
f5fc0f86 LC |
448 | |
449 | return 0; | |
12419cce LC |
450 | |
451 | out_free_memmap: | |
452 | kfree(wl->target_mem_map); | |
453 | wl->target_mem_map = NULL; | |
454 | ||
455 | return ret; | |
f5fc0f86 LC |
456 | } |
457 | ||
c15f63bf JO |
458 | static void wl1271_fw_status(struct wl1271 *wl, |
459 | struct wl1271_fw_status *status) | |
f5fc0f86 | 460 | { |
ac5e1e39 | 461 | struct timespec ts; |
f5fc0f86 LC |
462 | u32 total = 0; |
463 | int i; | |
464 | ||
09a9c2b3 | 465 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); |
f5fc0f86 LC |
466 | |
467 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " | |
468 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
469 | status->intr, | |
470 | status->fw_rx_counter, | |
471 | status->drv_rx_counter, | |
472 | status->tx_results_counter); | |
473 | ||
474 | /* update number of available TX blocks */ | |
475 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
d0f63b20 LC |
476 | u32 cnt = le32_to_cpu(status->tx_released_blks[i]) - |
477 | wl->tx_blocks_freed[i]; | |
478 | ||
479 | wl->tx_blocks_freed[i] = | |
480 | le32_to_cpu(status->tx_released_blks[i]); | |
f5fc0f86 LC |
481 | wl->tx_blocks_available += cnt; |
482 | total += cnt; | |
483 | } | |
484 | ||
485 | /* if more blocks are available now, schedule some tx work */ | |
486 | if (total && !skb_queue_empty(&wl->tx_queue)) | |
a64b07e8 | 487 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
488 | |
489 | /* update the host-chipset time offset */ | |
ac5e1e39 JO |
490 | getnstimeofday(&ts); |
491 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - | |
492 | (s64)le32_to_cpu(status->fw_localtime); | |
f5fc0f86 LC |
493 | } |
494 | ||
1e73eb62 JO |
495 | #define WL1271_IRQ_MAX_LOOPS 10 |
496 | ||
f5fc0f86 LC |
497 | static void wl1271_irq_work(struct work_struct *work) |
498 | { | |
f5fc0f86 | 499 | int ret; |
c15f63bf | 500 | u32 intr; |
1e73eb62 JO |
501 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
502 | unsigned long flags; | |
f5fc0f86 LC |
503 | struct wl1271 *wl = |
504 | container_of(work, struct wl1271, irq_work); | |
505 | ||
506 | mutex_lock(&wl->mutex); | |
507 | ||
508 | wl1271_debug(DEBUG_IRQ, "IRQ work"); | |
509 | ||
1e73eb62 | 510 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
f5fc0f86 LC |
511 | goto out; |
512 | ||
513 | ret = wl1271_ps_elp_wakeup(wl, true); | |
514 | if (ret < 0) | |
515 | goto out; | |
516 | ||
1e73eb62 JO |
517 | spin_lock_irqsave(&wl->wl_lock, flags); |
518 | while (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags) && loopcount) { | |
519 | clear_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags); | |
520 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
521 | loopcount--; | |
522 | ||
523 | wl1271_fw_status(wl, wl->fw_status); | |
524 | intr = le32_to_cpu(wl->fw_status->intr); | |
525 | if (!intr) { | |
526 | wl1271_debug(DEBUG_IRQ, "Zero interrupt received."); | |
cdd0864a | 527 | spin_lock_irqsave(&wl->wl_lock, flags); |
1e73eb62 JO |
528 | continue; |
529 | } | |
f5fc0f86 | 530 | |
1e73eb62 | 531 | intr &= WL1271_INTR_MASK; |
f5fc0f86 | 532 | |
1e73eb62 JO |
533 | if (intr & WL1271_ACX_INTR_DATA) { |
534 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); | |
1fd2794f | 535 | |
1e73eb62 JO |
536 | /* check for tx results */ |
537 | if (wl->fw_status->tx_results_counter != | |
538 | (wl->tx_results_count & 0xff)) | |
539 | wl1271_tx_complete(wl); | |
f5fc0f86 | 540 | |
1e73eb62 JO |
541 | wl1271_rx(wl, wl->fw_status); |
542 | } | |
f5fc0f86 | 543 | |
1e73eb62 JO |
544 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
545 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
546 | wl1271_event_handle(wl, 0); | |
547 | } | |
f5fc0f86 | 548 | |
1e73eb62 JO |
549 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
550 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
551 | wl1271_event_handle(wl, 1); | |
552 | } | |
f5fc0f86 | 553 | |
1e73eb62 JO |
554 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
555 | wl1271_debug(DEBUG_IRQ, | |
556 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 557 | |
1e73eb62 JO |
558 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
559 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
560 | ||
561 | spin_lock_irqsave(&wl->wl_lock, flags); | |
c15f63bf | 562 | } |
f5fc0f86 | 563 | |
1e73eb62 JO |
564 | if (test_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags)) |
565 | ieee80211_queue_work(wl->hw, &wl->irq_work); | |
566 | else | |
567 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
568 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
569 | ||
f5fc0f86 LC |
570 | wl1271_ps_elp_sleep(wl); |
571 | ||
572 | out: | |
573 | mutex_unlock(&wl->mutex); | |
574 | } | |
575 | ||
f5fc0f86 LC |
576 | static int wl1271_fetch_firmware(struct wl1271 *wl) |
577 | { | |
578 | const struct firmware *fw; | |
579 | int ret; | |
580 | ||
8197b711 | 581 | ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
582 | |
583 | if (ret < 0) { | |
584 | wl1271_error("could not get firmware: %d", ret); | |
585 | return ret; | |
586 | } | |
587 | ||
588 | if (fw->size % 4) { | |
589 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
590 | fw->size); | |
591 | ret = -EILSEQ; | |
592 | goto out; | |
593 | } | |
594 | ||
595 | wl->fw_len = fw->size; | |
1fba4974 | 596 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
597 | |
598 | if (!wl->fw) { | |
599 | wl1271_error("could not allocate memory for the firmware"); | |
600 | ret = -ENOMEM; | |
601 | goto out; | |
602 | } | |
603 | ||
604 | memcpy(wl->fw, fw->data, wl->fw_len); | |
605 | ||
606 | ret = 0; | |
607 | ||
608 | out: | |
609 | release_firmware(fw); | |
610 | ||
611 | return ret; | |
612 | } | |
613 | ||
614 | static int wl1271_fetch_nvs(struct wl1271 *wl) | |
615 | { | |
616 | const struct firmware *fw; | |
617 | int ret; | |
618 | ||
8197b711 | 619 | ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
620 | |
621 | if (ret < 0) { | |
622 | wl1271_error("could not get nvs file: %d", ret); | |
623 | return ret; | |
624 | } | |
625 | ||
a7da74fc JO |
626 | /* |
627 | * FIXME: the LEGACY NVS image support (NVS's missing the 5GHz band | |
628 | * configurations) can be removed when those NVS files stop floating | |
629 | * around. | |
630 | */ | |
631 | if (fw->size != sizeof(struct wl1271_nvs_file) && | |
632 | (fw->size != WL1271_INI_LEGACY_NVS_FILE_SIZE || | |
633 | wl1271_11a_enabled())) { | |
152ee6e0 JO |
634 | wl1271_error("nvs size is not as expected: %zu != %zu", |
635 | fw->size, sizeof(struct wl1271_nvs_file)); | |
f5fc0f86 LC |
636 | ret = -EILSEQ; |
637 | goto out; | |
638 | } | |
639 | ||
929ebd30 | 640 | wl->nvs = kmemdup(fw->data, sizeof(struct wl1271_nvs_file), GFP_KERNEL); |
f5fc0f86 LC |
641 | |
642 | if (!wl->nvs) { | |
643 | wl1271_error("could not allocate memory for the nvs file"); | |
644 | ret = -ENOMEM; | |
645 | goto out; | |
646 | } | |
647 | ||
f5fc0f86 LC |
648 | out: |
649 | release_firmware(fw); | |
650 | ||
651 | return ret; | |
652 | } | |
653 | ||
654 | static void wl1271_fw_wakeup(struct wl1271 *wl) | |
655 | { | |
656 | u32 elp_reg; | |
657 | ||
658 | elp_reg = ELPCTRL_WAKE_UP; | |
74621417 | 659 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
f5fc0f86 LC |
660 | } |
661 | ||
662 | static int wl1271_setup(struct wl1271 *wl) | |
663 | { | |
664 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); | |
665 | if (!wl->fw_status) | |
666 | return -ENOMEM; | |
667 | ||
668 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); | |
669 | if (!wl->tx_res_if) { | |
670 | kfree(wl->fw_status); | |
671 | return -ENOMEM; | |
672 | } | |
673 | ||
674 | INIT_WORK(&wl->irq_work, wl1271_irq_work); | |
675 | INIT_WORK(&wl->tx_work, wl1271_tx_work); | |
676 | return 0; | |
677 | } | |
678 | ||
679 | static int wl1271_chip_wakeup(struct wl1271 *wl) | |
680 | { | |
451de97a | 681 | struct wl1271_partition_set partition; |
f5fc0f86 LC |
682 | int ret = 0; |
683 | ||
01ac17ec | 684 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
2cc78ff7 OBC |
685 | ret = wl1271_power_on(wl); |
686 | if (ret < 0) | |
687 | goto out; | |
f5fc0f86 | 688 | msleep(WL1271_POWER_ON_SLEEP); |
9b280722 TP |
689 | wl1271_io_reset(wl); |
690 | wl1271_io_init(wl); | |
f5fc0f86 LC |
691 | |
692 | /* We don't need a real memory partition here, because we only want | |
693 | * to use the registers at this point. */ | |
451de97a JO |
694 | memset(&partition, 0, sizeof(partition)); |
695 | partition.reg.start = REGISTERS_BASE; | |
696 | partition.reg.size = REGISTERS_DOWN_SIZE; | |
697 | wl1271_set_partition(wl, &partition); | |
f5fc0f86 LC |
698 | |
699 | /* ELP module wake up */ | |
700 | wl1271_fw_wakeup(wl); | |
701 | ||
702 | /* whal_FwCtrl_BootSm() */ | |
703 | ||
704 | /* 0. read chip id from CHIP_ID */ | |
7b048c52 | 705 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
f5fc0f86 LC |
706 | |
707 | /* 1. check if chip id is valid */ | |
708 | ||
709 | switch (wl->chip.id) { | |
710 | case CHIP_ID_1271_PG10: | |
711 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", | |
712 | wl->chip.id); | |
713 | ||
714 | ret = wl1271_setup(wl); | |
715 | if (ret < 0) | |
9ccd9217 | 716 | goto out; |
f5fc0f86 LC |
717 | break; |
718 | case CHIP_ID_1271_PG20: | |
719 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", | |
720 | wl->chip.id); | |
721 | ||
722 | ret = wl1271_setup(wl); | |
723 | if (ret < 0) | |
9ccd9217 | 724 | goto out; |
f5fc0f86 LC |
725 | break; |
726 | default: | |
9ccd9217 | 727 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
f5fc0f86 | 728 | ret = -ENODEV; |
9ccd9217 | 729 | goto out; |
f5fc0f86 LC |
730 | } |
731 | ||
732 | if (wl->fw == NULL) { | |
733 | ret = wl1271_fetch_firmware(wl); | |
734 | if (ret < 0) | |
9ccd9217 | 735 | goto out; |
f5fc0f86 LC |
736 | } |
737 | ||
738 | /* No NVS from netlink, try to get it from the filesystem */ | |
739 | if (wl->nvs == NULL) { | |
740 | ret = wl1271_fetch_nvs(wl); | |
741 | if (ret < 0) | |
9ccd9217 | 742 | goto out; |
f5fc0f86 LC |
743 | } |
744 | ||
745 | out: | |
746 | return ret; | |
747 | } | |
748 | ||
f5fc0f86 LC |
749 | int wl1271_plt_start(struct wl1271 *wl) |
750 | { | |
9ccd9217 | 751 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
752 | int ret; |
753 | ||
754 | mutex_lock(&wl->mutex); | |
755 | ||
756 | wl1271_notice("power up"); | |
757 | ||
758 | if (wl->state != WL1271_STATE_OFF) { | |
759 | wl1271_error("cannot go into PLT state because not " | |
760 | "in off state: %d", wl->state); | |
761 | ret = -EBUSY; | |
762 | goto out; | |
763 | } | |
764 | ||
9ccd9217 JO |
765 | while (retries) { |
766 | retries--; | |
767 | ret = wl1271_chip_wakeup(wl); | |
768 | if (ret < 0) | |
769 | goto power_off; | |
f5fc0f86 | 770 | |
9ccd9217 JO |
771 | ret = wl1271_boot(wl); |
772 | if (ret < 0) | |
773 | goto power_off; | |
eb5b28d0 | 774 | |
9ccd9217 JO |
775 | ret = wl1271_plt_init(wl); |
776 | if (ret < 0) | |
777 | goto irq_disable; | |
bd5ea18f | 778 | |
9ccd9217 JO |
779 | wl->state = WL1271_STATE_PLT; |
780 | wl1271_notice("firmware booted in PLT mode (%s)", | |
781 | wl->chip.fw_ver); | |
782 | goto out; | |
eb5b28d0 | 783 | |
9ccd9217 JO |
784 | irq_disable: |
785 | wl1271_disable_interrupts(wl); | |
786 | mutex_unlock(&wl->mutex); | |
787 | /* Unlocking the mutex in the middle of handling is | |
788 | inherently unsafe. In this case we deem it safe to do, | |
789 | because we need to let any possibly pending IRQ out of | |
790 | the system (and while we are WL1271_STATE_OFF the IRQ | |
791 | work function will not do anything.) Also, any other | |
792 | possible concurrent operations will fail due to the | |
793 | current state, hence the wl1271 struct should be safe. */ | |
794 | cancel_work_sync(&wl->irq_work); | |
795 | mutex_lock(&wl->mutex); | |
796 | power_off: | |
797 | wl1271_power_off(wl); | |
798 | } | |
f5fc0f86 | 799 | |
9ccd9217 JO |
800 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
801 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
802 | out: |
803 | mutex_unlock(&wl->mutex); | |
804 | ||
805 | return ret; | |
806 | } | |
807 | ||
808 | int wl1271_plt_stop(struct wl1271 *wl) | |
809 | { | |
810 | int ret = 0; | |
811 | ||
812 | mutex_lock(&wl->mutex); | |
813 | ||
814 | wl1271_notice("power down"); | |
815 | ||
816 | if (wl->state != WL1271_STATE_PLT) { | |
817 | wl1271_error("cannot power down because not in PLT " | |
818 | "state: %d", wl->state); | |
819 | ret = -EBUSY; | |
820 | goto out; | |
821 | } | |
822 | ||
823 | wl1271_disable_interrupts(wl); | |
824 | wl1271_power_off(wl); | |
825 | ||
826 | wl->state = WL1271_STATE_OFF; | |
bd5ea18f | 827 | wl->rx_counter = 0; |
f5fc0f86 LC |
828 | |
829 | out: | |
830 | mutex_unlock(&wl->mutex); | |
831 | ||
832 | return ret; | |
833 | } | |
834 | ||
835 | ||
836 | static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) | |
837 | { | |
838 | struct wl1271 *wl = hw->priv; | |
830fb67b JO |
839 | struct ieee80211_conf *conf = &hw->conf; |
840 | struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); | |
841 | struct ieee80211_sta *sta = txinfo->control.sta; | |
842 | unsigned long flags; | |
f5fc0f86 | 843 | |
830fb67b JO |
844 | /* peek into the rates configured in the STA entry */ |
845 | spin_lock_irqsave(&wl->wl_lock, flags); | |
846 | if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) { | |
847 | wl->sta_rate_set = sta->supp_rates[conf->channel->band]; | |
848 | set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags); | |
849 | } | |
850 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
851 | ||
852 | /* queue the packet */ | |
f5fc0f86 LC |
853 | skb_queue_tail(&wl->tx_queue, skb); |
854 | ||
855 | /* | |
856 | * The chip specific setup must run before the first TX packet - | |
857 | * before that, the tx_work will not be initialized! | |
858 | */ | |
859 | ||
a64b07e8 | 860 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
861 | |
862 | /* | |
863 | * The workqueue is slow to process the tx_queue and we need stop | |
864 | * the queue here, otherwise the queue will get too long. | |
865 | */ | |
06f7bc7d JO |
866 | if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) { |
867 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues"); | |
f5fc0f86 | 868 | |
06f7bc7d JO |
869 | spin_lock_irqsave(&wl->wl_lock, flags); |
870 | ieee80211_stop_queues(wl->hw); | |
71449f8d | 871 | set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); |
06f7bc7d | 872 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
f5fc0f86 LC |
873 | } |
874 | ||
875 | return NETDEV_TX_OK; | |
876 | } | |
877 | ||
c2c192ac JO |
878 | static struct notifier_block wl1271_dev_notifier = { |
879 | .notifier_call = wl1271_dev_notify, | |
880 | }; | |
881 | ||
f5fc0f86 | 882 | static int wl1271_op_start(struct ieee80211_hw *hw) |
1b72aecd JO |
883 | { |
884 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
885 | ||
886 | /* | |
887 | * We have to delay the booting of the hardware because | |
888 | * we need to know the local MAC address before downloading and | |
889 | * initializing the firmware. The MAC address cannot be changed | |
890 | * after boot, and without the proper MAC address, the firmware | |
891 | * will not function properly. | |
892 | * | |
893 | * The MAC address is first known when the corresponding interface | |
894 | * is added. That is where we will initialize the hardware. | |
895 | */ | |
896 | ||
897 | return 0; | |
898 | } | |
899 | ||
900 | static void wl1271_op_stop(struct ieee80211_hw *hw) | |
901 | { | |
902 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
903 | } | |
904 | ||
905 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, | |
906 | struct ieee80211_vif *vif) | |
f5fc0f86 LC |
907 | { |
908 | struct wl1271 *wl = hw->priv; | |
ac01e948 | 909 | struct wiphy *wiphy = hw->wiphy; |
9ccd9217 | 910 | int retries = WL1271_BOOT_RETRIES; |
f5fc0f86 LC |
911 | int ret = 0; |
912 | ||
1b72aecd JO |
913 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
914 | vif->type, vif->addr); | |
f5fc0f86 LC |
915 | |
916 | mutex_lock(&wl->mutex); | |
1b72aecd JO |
917 | if (wl->vif) { |
918 | ret = -EBUSY; | |
919 | goto out; | |
920 | } | |
921 | ||
922 | wl->vif = vif; | |
923 | ||
924 | switch (vif->type) { | |
925 | case NL80211_IFTYPE_STATION: | |
926 | wl->bss_type = BSS_TYPE_STA_BSS; | |
5da11dcd | 927 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
1b72aecd JO |
928 | break; |
929 | case NL80211_IFTYPE_ADHOC: | |
930 | wl->bss_type = BSS_TYPE_IBSS; | |
5da11dcd | 931 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
1b72aecd JO |
932 | break; |
933 | default: | |
934 | ret = -EOPNOTSUPP; | |
935 | goto out; | |
936 | } | |
937 | ||
938 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); | |
f5fc0f86 LC |
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); | |
ac01e948 JL |
963 | |
964 | /* update hw/fw version info in wiphy struct */ | |
965 | wiphy->hw_version = wl->chip.id; | |
966 | strncpy(wiphy->fw_version, wl->chip.fw_ver, | |
967 | sizeof(wiphy->fw_version)); | |
968 | ||
9ccd9217 | 969 | goto out; |
eb5b28d0 | 970 | |
9ccd9217 JO |
971 | irq_disable: |
972 | wl1271_disable_interrupts(wl); | |
973 | mutex_unlock(&wl->mutex); | |
974 | /* Unlocking the mutex in the middle of handling is | |
975 | inherently unsafe. In this case we deem it safe to do, | |
976 | because we need to let any possibly pending IRQ out of | |
977 | the system (and while we are WL1271_STATE_OFF the IRQ | |
978 | work function will not do anything.) Also, any other | |
979 | possible concurrent operations will fail due to the | |
980 | current state, hence the wl1271 struct should be safe. */ | |
981 | cancel_work_sync(&wl->irq_work); | |
982 | mutex_lock(&wl->mutex); | |
983 | power_off: | |
984 | wl1271_power_off(wl); | |
985 | } | |
eb5b28d0 | 986 | |
9ccd9217 JO |
987 | wl1271_error("firmware boot failed despite %d retries", |
988 | WL1271_BOOT_RETRIES); | |
eb5b28d0 | 989 | out: |
f5fc0f86 LC |
990 | mutex_unlock(&wl->mutex); |
991 | ||
eb887dfd | 992 | if (!ret) |
01c09162 | 993 | list_add(&wl->list, &wl_list); |
01c09162 | 994 | |
f5fc0f86 LC |
995 | return ret; |
996 | } | |
997 | ||
1b72aecd JO |
998 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
999 | struct ieee80211_vif *vif) | |
f5fc0f86 LC |
1000 | { |
1001 | struct wl1271 *wl = hw->priv; | |
1002 | int i; | |
1003 | ||
1b72aecd JO |
1004 | mutex_lock(&wl->mutex); |
1005 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); | |
f5fc0f86 | 1006 | |
1b72aecd | 1007 | wl1271_info("down"); |
f5fc0f86 | 1008 | |
01c09162 JO |
1009 | list_del(&wl->list); |
1010 | ||
f5fc0f86 LC |
1011 | WARN_ON(wl->state != WL1271_STATE_ON); |
1012 | ||
8d2ef7bd | 1013 | /* enable dyn ps just in case (if left on due to fw crash etc) */ |
9a547bf9 | 1014 | if (wl->bss_type == BSS_TYPE_STA_BSS) |
f532be6d | 1015 | ieee80211_enable_dyn_ps(wl->vif); |
8d2ef7bd | 1016 | |
08688d6b | 1017 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { |
08688d6b LC |
1018 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
1019 | kfree(wl->scan.scanned_ch); | |
1020 | wl->scan.scanned_ch = NULL; | |
76a029fb | 1021 | ieee80211_scan_completed(wl->hw, true); |
f5fc0f86 LC |
1022 | } |
1023 | ||
1024 | wl->state = WL1271_STATE_OFF; | |
1025 | ||
1026 | wl1271_disable_interrupts(wl); | |
1027 | ||
1028 | mutex_unlock(&wl->mutex); | |
1029 | ||
1030 | cancel_work_sync(&wl->irq_work); | |
1031 | cancel_work_sync(&wl->tx_work); | |
90494a90 | 1032 | cancel_delayed_work_sync(&wl->pspoll_work); |
f5fc0f86 LC |
1033 | |
1034 | mutex_lock(&wl->mutex); | |
1035 | ||
1036 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
781608c4 | 1037 | wl1271_tx_reset(wl); |
f5fc0f86 LC |
1038 | wl1271_power_off(wl); |
1039 | ||
1040 | memset(wl->bssid, 0, ETH_ALEN); | |
1041 | memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); | |
1042 | wl->ssid_len = 0; | |
f5fc0f86 | 1043 | wl->bss_type = MAX_BSS_TYPE; |
5da11dcd | 1044 | wl->set_bss_type = MAX_BSS_TYPE; |
8a5a37a6 | 1045 | wl->band = IEEE80211_BAND_2GHZ; |
f5fc0f86 LC |
1046 | |
1047 | wl->rx_counter = 0; | |
19ad0715 | 1048 | wl->psm_entry_retry = 0; |
f5fc0f86 LC |
1049 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
1050 | wl->tx_blocks_available = 0; | |
1051 | wl->tx_results_count = 0; | |
1052 | wl->tx_packets_count = 0; | |
ac4e4ce5 | 1053 | wl->tx_security_last_seq = 0; |
04e36fc5 | 1054 | wl->tx_security_seq = 0; |
f5fc0f86 LC |
1055 | wl->time_offset = 0; |
1056 | wl->session_counter = 0; | |
830fb67b JO |
1057 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
1058 | wl->sta_rate_set = 0; | |
1059 | wl->flags = 0; | |
1b72aecd | 1060 | wl->vif = NULL; |
14b228a0 | 1061 | wl->filters = 0; |
d6e19d13 | 1062 | |
f5fc0f86 LC |
1063 | for (i = 0; i < NUM_TX_QUEUES; i++) |
1064 | wl->tx_blocks_freed[i] = 0; | |
1065 | ||
1066 | wl1271_debugfs_reset(wl); | |
bd9dc49c JO |
1067 | |
1068 | kfree(wl->fw_status); | |
1069 | wl->fw_status = NULL; | |
1070 | kfree(wl->tx_res_if); | |
1071 | wl->tx_res_if = NULL; | |
1072 | kfree(wl->target_mem_map); | |
1073 | wl->target_mem_map = NULL; | |
1074 | ||
f5fc0f86 LC |
1075 | mutex_unlock(&wl->mutex); |
1076 | } | |
1077 | ||
14b228a0 JO |
1078 | static void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters) |
1079 | { | |
1080 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
1081 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
1082 | ||
1083 | /* combine requested filters with current filter config */ | |
1084 | filters = wl->filters | filters; | |
1085 | ||
1086 | wl1271_debug(DEBUG_FILTERS, "RX filters set: "); | |
1087 | ||
1088 | if (filters & FIF_PROMISC_IN_BSS) { | |
1089 | wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS"); | |
1090 | wl->rx_config &= ~CFG_UNI_FILTER_EN; | |
1091 | wl->rx_config |= CFG_BSSID_FILTER_EN; | |
1092 | } | |
1093 | if (filters & FIF_BCN_PRBRESP_PROMISC) { | |
1094 | wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC"); | |
1095 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1096 | wl->rx_config &= ~CFG_SSID_FILTER_EN; | |
1097 | } | |
1098 | if (filters & FIF_OTHER_BSS) { | |
1099 | wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS"); | |
1100 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1101 | } | |
1102 | if (filters & FIF_CONTROL) { | |
1103 | wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL"); | |
1104 | wl->rx_filter |= CFG_RX_CTL_EN; | |
1105 | } | |
1106 | if (filters & FIF_FCSFAIL) { | |
1107 | wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL"); | |
1108 | wl->rx_filter |= CFG_RX_FCS_ERROR; | |
1109 | } | |
1110 | } | |
1111 | ||
82429d32 | 1112 | static int wl1271_dummy_join(struct wl1271 *wl) |
c7f43e45 | 1113 | { |
e0d8bbf0 | 1114 | int ret = 0; |
c7f43e45 LC |
1115 | /* we need to use a dummy BSSID for now */ |
1116 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, | |
1117 | 0xad, 0xbe, 0xef }; | |
1118 | ||
c7f43e45 LC |
1119 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); |
1120 | ||
14b228a0 JO |
1121 | /* pass through frames from all BSS */ |
1122 | wl1271_configure_filters(wl, FIF_OTHER_BSS); | |
1123 | ||
5da11dcd | 1124 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
c7f43e45 LC |
1125 | if (ret < 0) |
1126 | goto out; | |
1127 | ||
71449f8d | 1128 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 LC |
1129 | |
1130 | out: | |
1131 | return ret; | |
1132 | } | |
1133 | ||
69e5434c | 1134 | static int wl1271_join(struct wl1271 *wl, bool set_assoc) |
82429d32 JO |
1135 | { |
1136 | int ret; | |
1137 | ||
69e5434c JO |
1138 | /* |
1139 | * One of the side effects of the JOIN command is that is clears | |
1140 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated | |
1141 | * to a WPA/WPA2 access point will therefore kill the data-path. | |
1142 | * Currently there is no supported scenario for JOIN during | |
1143 | * association - if it becomes a supported scenario, the WPA/WPA2 keys | |
1144 | * must be handled somehow. | |
1145 | * | |
1146 | */ | |
1147 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
1148 | wl1271_info("JOIN while associated."); | |
1149 | ||
1150 | if (set_assoc) | |
1151 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); | |
1152 | ||
82429d32 JO |
1153 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
1154 | if (ret < 0) | |
1155 | goto out; | |
1156 | ||
1157 | set_bit(WL1271_FLAG_JOINED, &wl->flags); | |
1158 | ||
1159 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
1160 | goto out; | |
1161 | ||
1162 | /* | |
1163 | * The join command disable the keep-alive mode, shut down its process, | |
1164 | * and also clear the template config, so we need to reset it all after | |
1165 | * the join. The acx_aid starts the keep-alive process, and the order | |
1166 | * of the commands below is relevant. | |
1167 | */ | |
1168 | ret = wl1271_acx_keep_alive_mode(wl, true); | |
1169 | if (ret < 0) | |
1170 | goto out; | |
1171 | ||
1172 | ret = wl1271_acx_aid(wl, wl->aid); | |
1173 | if (ret < 0) | |
1174 | goto out; | |
1175 | ||
1176 | ret = wl1271_cmd_build_klv_null_data(wl); | |
1177 | if (ret < 0) | |
1178 | goto out; | |
1179 | ||
1180 | ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA, | |
1181 | ACX_KEEP_ALIVE_TPL_VALID); | |
1182 | if (ret < 0) | |
1183 | goto out; | |
1184 | ||
1185 | out: | |
1186 | return ret; | |
1187 | } | |
1188 | ||
1189 | static int wl1271_unjoin(struct wl1271 *wl) | |
c7f43e45 LC |
1190 | { |
1191 | int ret; | |
1192 | ||
1193 | /* to stop listening to a channel, we disconnect */ | |
1194 | ret = wl1271_cmd_disconnect(wl); | |
1195 | if (ret < 0) | |
1196 | goto out; | |
1197 | ||
71449f8d | 1198 | clear_bit(WL1271_FLAG_JOINED, &wl->flags); |
c7f43e45 | 1199 | memset(wl->bssid, 0, ETH_ALEN); |
14b228a0 JO |
1200 | |
1201 | /* stop filterting packets based on bssid */ | |
1202 | wl1271_configure_filters(wl, FIF_OTHER_BSS); | |
c7f43e45 LC |
1203 | |
1204 | out: | |
1205 | return ret; | |
1206 | } | |
1207 | ||
ebba60c6 JO |
1208 | static void wl1271_set_band_rate(struct wl1271 *wl) |
1209 | { | |
1210 | if (wl->band == IEEE80211_BAND_2GHZ) | |
1211 | wl->basic_rate_set = wl->conf.tx.basic_rate; | |
1212 | else | |
1213 | wl->basic_rate_set = wl->conf.tx.basic_rate_5; | |
1214 | } | |
1215 | ||
1216 | static u32 wl1271_min_rate_get(struct wl1271 *wl) | |
1217 | { | |
1218 | int i; | |
1219 | u32 rate = 0; | |
1220 | ||
1221 | if (!wl->basic_rate_set) { | |
1222 | WARN_ON(1); | |
1223 | wl->basic_rate_set = wl->conf.tx.basic_rate; | |
1224 | } | |
1225 | ||
1226 | for (i = 0; !rate; i++) { | |
1227 | if ((wl->basic_rate_set >> i) & 0x1) | |
1228 | rate = 1 << i; | |
1229 | } | |
1230 | ||
1231 | return rate; | |
1232 | } | |
1233 | ||
0d58cbff JO |
1234 | static int wl1271_handle_idle(struct wl1271 *wl, bool idle) |
1235 | { | |
1236 | int ret; | |
1237 | ||
1238 | if (idle) { | |
1239 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { | |
1240 | ret = wl1271_unjoin(wl); | |
1241 | if (ret < 0) | |
1242 | goto out; | |
1243 | } | |
1244 | wl->rate_set = wl1271_min_rate_get(wl); | |
1245 | wl->sta_rate_set = 0; | |
1246 | ret = wl1271_acx_rate_policies(wl); | |
1247 | if (ret < 0) | |
1248 | goto out; | |
1249 | ret = wl1271_acx_keep_alive_config( | |
1250 | wl, CMD_TEMPL_KLV_IDX_NULL_DATA, | |
1251 | ACX_KEEP_ALIVE_TPL_INVALID); | |
1252 | if (ret < 0) | |
1253 | goto out; | |
1254 | set_bit(WL1271_FLAG_IDLE, &wl->flags); | |
1255 | } else { | |
1256 | /* increment the session counter */ | |
1257 | wl->session_counter++; | |
1258 | if (wl->session_counter >= SESSION_COUNTER_MAX) | |
1259 | wl->session_counter = 0; | |
1260 | ret = wl1271_dummy_join(wl); | |
1261 | if (ret < 0) | |
1262 | goto out; | |
1263 | clear_bit(WL1271_FLAG_IDLE, &wl->flags); | |
1264 | } | |
1265 | ||
1266 | out: | |
1267 | return ret; | |
1268 | } | |
1269 | ||
f5fc0f86 LC |
1270 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
1271 | { | |
1272 | struct wl1271 *wl = hw->priv; | |
1273 | struct ieee80211_conf *conf = &hw->conf; | |
1274 | int channel, ret = 0; | |
1275 | ||
1276 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
1277 | ||
c7f43e45 | 1278 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s", |
f5fc0f86 LC |
1279 | channel, |
1280 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", | |
c7f43e45 LC |
1281 | conf->power_level, |
1282 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use"); | |
f5fc0f86 | 1283 | |
781608c4 JO |
1284 | /* |
1285 | * mac80211 will go to idle nearly immediately after transmitting some | |
1286 | * frames, such as the deauth. To make sure those frames reach the air, | |
1287 | * wait here until the TX queue is fully flushed. | |
1288 | */ | |
1289 | if ((changed & IEEE80211_CONF_CHANGE_IDLE) && | |
1290 | (conf->flags & IEEE80211_CONF_IDLE)) | |
1291 | wl1271_tx_flush(wl); | |
1292 | ||
f5fc0f86 LC |
1293 | mutex_lock(&wl->mutex); |
1294 | ||
2c10bb9c SD |
1295 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
1296 | goto out; | |
8a5a37a6 | 1297 | |
f5fc0f86 LC |
1298 | ret = wl1271_ps_elp_wakeup(wl, false); |
1299 | if (ret < 0) | |
1300 | goto out; | |
1301 | ||
ebba60c6 | 1302 | /* if the channel changes while joined, join again */ |
69e5434c JO |
1303 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL && |
1304 | ((wl->band != conf->channel->band) || | |
1305 | (wl->channel != channel))) { | |
ebba60c6 JO |
1306 | wl->band = conf->channel->band; |
1307 | wl->channel = channel; | |
1308 | ||
1309 | /* | |
1310 | * FIXME: the mac80211 should really provide a fixed rate | |
1311 | * to use here. for now, just use the smallest possible rate | |
1312 | * for the band as a fixed rate for association frames and | |
1313 | * other control messages. | |
1314 | */ | |
1315 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) | |
1316 | wl1271_set_band_rate(wl); | |
1317 | ||
1318 | wl->basic_rate = wl1271_min_rate_get(wl); | |
1319 | ret = wl1271_acx_rate_policies(wl); | |
1320 | if (ret < 0) | |
1321 | wl1271_warning("rate policy for update channel " | |
1322 | "failed %d", ret); | |
1323 | ||
1324 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { | |
69e5434c | 1325 | ret = wl1271_join(wl, false); |
ebba60c6 JO |
1326 | if (ret < 0) |
1327 | wl1271_warning("cmd join to update channel " | |
1328 | "failed %d", ret); | |
1329 | } | |
1330 | } | |
1331 | ||
c7f43e45 | 1332 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
0d58cbff JO |
1333 | ret = wl1271_handle_idle(wl, conf->flags & IEEE80211_CONF_IDLE); |
1334 | if (ret < 0) | |
1335 | wl1271_warning("idle mode change failed %d", ret); | |
f5fc0f86 LC |
1336 | } |
1337 | ||
90494a90 JO |
1338 | /* |
1339 | * if mac80211 changes the PSM mode, make sure the mode is not | |
1340 | * incorrectly changed after the pspoll failure active window. | |
1341 | */ | |
1342 | if (changed & IEEE80211_CONF_CHANGE_PS) | |
1343 | clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags); | |
1344 | ||
71449f8d JO |
1345 | if (conf->flags & IEEE80211_CONF_PS && |
1346 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { | |
1347 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); | |
f5fc0f86 LC |
1348 | |
1349 | /* | |
1350 | * We enter PSM only if we're already associated. | |
1351 | * If we're not, we'll enter it when joining an SSID, | |
1352 | * through the bss_info_changed() hook. | |
1353 | */ | |
830fb67b | 1354 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
18f8d468 | 1355 | wl1271_debug(DEBUG_PSM, "psm enabled"); |
d8c42c0c JO |
1356 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
1357 | true); | |
af5e084b | 1358 | } |
f5fc0f86 | 1359 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
71449f8d | 1360 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
18f8d468 | 1361 | wl1271_debug(DEBUG_PSM, "psm disabled"); |
f5fc0f86 | 1362 | |
71449f8d | 1363 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
f5fc0f86 | 1364 | |
71449f8d | 1365 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
d8c42c0c JO |
1366 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
1367 | true); | |
f5fc0f86 LC |
1368 | } |
1369 | ||
1370 | if (conf->power_level != wl->power_level) { | |
1371 | ret = wl1271_acx_tx_power(wl, conf->power_level); | |
1372 | if (ret < 0) | |
c6317a54 | 1373 | goto out_sleep; |
f5fc0f86 LC |
1374 | |
1375 | wl->power_level = conf->power_level; | |
1376 | } | |
1377 | ||
1378 | out_sleep: | |
1379 | wl1271_ps_elp_sleep(wl); | |
1380 | ||
1381 | out: | |
1382 | mutex_unlock(&wl->mutex); | |
1383 | ||
1384 | return ret; | |
1385 | } | |
1386 | ||
b54853f1 JO |
1387 | struct wl1271_filter_params { |
1388 | bool enabled; | |
1389 | int mc_list_length; | |
1390 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
1391 | }; | |
1392 | ||
22bedad3 JP |
1393 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
1394 | struct netdev_hw_addr_list *mc_list) | |
c87dec9f | 1395 | { |
c87dec9f | 1396 | struct wl1271_filter_params *fp; |
22bedad3 | 1397 | struct netdev_hw_addr *ha; |
2c10bb9c | 1398 | struct wl1271 *wl = hw->priv; |
c87dec9f | 1399 | |
2c10bb9c SD |
1400 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
1401 | return 0; | |
c87dec9f | 1402 | |
74441130 | 1403 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
1404 | if (!fp) { |
1405 | wl1271_error("Out of memory setting filters."); | |
1406 | return 0; | |
1407 | } | |
1408 | ||
1409 | /* update multicast filtering parameters */ | |
c87dec9f | 1410 | fp->mc_list_length = 0; |
22bedad3 JP |
1411 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
1412 | fp->enabled = false; | |
1413 | } else { | |
1414 | fp->enabled = true; | |
1415 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
c87dec9f | 1416 | memcpy(fp->mc_list[fp->mc_list_length], |
22bedad3 | 1417 | ha->addr, ETH_ALEN); |
c87dec9f | 1418 | fp->mc_list_length++; |
22bedad3 | 1419 | } |
c87dec9f JO |
1420 | } |
1421 | ||
b54853f1 | 1422 | return (u64)(unsigned long)fp; |
c87dec9f | 1423 | } |
f5fc0f86 | 1424 | |
b54853f1 JO |
1425 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
1426 | FIF_ALLMULTI | \ | |
1427 | FIF_FCSFAIL | \ | |
1428 | FIF_BCN_PRBRESP_PROMISC | \ | |
1429 | FIF_CONTROL | \ | |
1430 | FIF_OTHER_BSS) | |
1431 | ||
f5fc0f86 LC |
1432 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
1433 | unsigned int changed, | |
c87dec9f | 1434 | unsigned int *total, u64 multicast) |
f5fc0f86 | 1435 | { |
b54853f1 | 1436 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 1437 | struct wl1271 *wl = hw->priv; |
b54853f1 | 1438 | int ret; |
f5fc0f86 LC |
1439 | |
1440 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter"); | |
1441 | ||
b54853f1 JO |
1442 | mutex_lock(&wl->mutex); |
1443 | ||
2c10bb9c SD |
1444 | *total &= WL1271_SUPPORTED_FILTERS; |
1445 | changed &= WL1271_SUPPORTED_FILTERS; | |
1446 | ||
1447 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
b54853f1 JO |
1448 | goto out; |
1449 | ||
1450 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1451 | if (ret < 0) | |
1452 | goto out; | |
1453 | ||
f5fc0f86 | 1454 | |
b54853f1 JO |
1455 | if (*total & FIF_ALLMULTI) |
1456 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); | |
1457 | else if (fp) | |
1458 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, | |
1459 | fp->mc_list, | |
1460 | fp->mc_list_length); | |
1461 | if (ret < 0) | |
1462 | goto out_sleep; | |
f5fc0f86 | 1463 | |
b54853f1 JO |
1464 | /* determine, whether supported filter values have changed */ |
1465 | if (changed == 0) | |
1466 | goto out_sleep; | |
c87dec9f | 1467 | |
14b228a0 JO |
1468 | /* configure filters */ |
1469 | wl->filters = *total; | |
1470 | wl1271_configure_filters(wl, 0); | |
1471 | ||
b54853f1 JO |
1472 | /* apply configured filters */ |
1473 | ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); | |
1474 | if (ret < 0) | |
1475 | goto out_sleep; | |
1476 | ||
1477 | out_sleep: | |
1478 | wl1271_ps_elp_sleep(wl); | |
1479 | ||
1480 | out: | |
1481 | mutex_unlock(&wl->mutex); | |
14b228a0 | 1482 | kfree(fp); |
f5fc0f86 LC |
1483 | } |
1484 | ||
1485 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
1486 | struct ieee80211_vif *vif, | |
1487 | struct ieee80211_sta *sta, | |
1488 | struct ieee80211_key_conf *key_conf) | |
1489 | { | |
1490 | struct wl1271 *wl = hw->priv; | |
1491 | const u8 *addr; | |
1492 | int ret; | |
ac4e4ce5 JO |
1493 | u32 tx_seq_32 = 0; |
1494 | u16 tx_seq_16 = 0; | |
f5fc0f86 LC |
1495 | u8 key_type; |
1496 | ||
1497 | static const u8 bcast_addr[ETH_ALEN] = | |
1498 | { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
1499 | ||
1500 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); | |
1501 | ||
1502 | addr = sta ? sta->addr : bcast_addr; | |
1503 | ||
1504 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); | |
1505 | wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); | |
1506 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", | |
97359d12 | 1507 | key_conf->cipher, key_conf->keyidx, |
f5fc0f86 LC |
1508 | key_conf->keylen, key_conf->flags); |
1509 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
1510 | ||
1511 | if (is_zero_ether_addr(addr)) { | |
1512 | /* We dont support TX only encryption */ | |
1513 | ret = -EOPNOTSUPP; | |
1514 | goto out; | |
1515 | } | |
1516 | ||
1517 | mutex_lock(&wl->mutex); | |
1518 | ||
1519 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1520 | if (ret < 0) | |
1521 | goto out_unlock; | |
1522 | ||
97359d12 JB |
1523 | switch (key_conf->cipher) { |
1524 | case WLAN_CIPHER_SUITE_WEP40: | |
1525 | case WLAN_CIPHER_SUITE_WEP104: | |
f5fc0f86 LC |
1526 | key_type = KEY_WEP; |
1527 | ||
1528 | key_conf->hw_key_idx = key_conf->keyidx; | |
1529 | break; | |
97359d12 | 1530 | case WLAN_CIPHER_SUITE_TKIP: |
f5fc0f86 LC |
1531 | key_type = KEY_TKIP; |
1532 | ||
1533 | key_conf->hw_key_idx = key_conf->keyidx; | |
04e36fc5 JO |
1534 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
1535 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 | 1536 | break; |
97359d12 | 1537 | case WLAN_CIPHER_SUITE_CCMP: |
f5fc0f86 LC |
1538 | key_type = KEY_AES; |
1539 | ||
1540 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
04e36fc5 JO |
1541 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
1542 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); | |
f5fc0f86 LC |
1543 | break; |
1544 | default: | |
97359d12 | 1545 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
f5fc0f86 LC |
1546 | |
1547 | ret = -EOPNOTSUPP; | |
1548 | goto out_sleep; | |
1549 | } | |
1550 | ||
1551 | switch (cmd) { | |
1552 | case SET_KEY: | |
1553 | ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE, | |
1554 | key_conf->keyidx, key_type, | |
1555 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1556 | addr, tx_seq_32, tx_seq_16); |
f5fc0f86 LC |
1557 | if (ret < 0) { |
1558 | wl1271_error("Could not add or replace key"); | |
1559 | goto out_sleep; | |
1560 | } | |
ee444cf0 JO |
1561 | |
1562 | /* the default WEP key needs to be configured at least once */ | |
1563 | if (key_type == KEY_WEP) { | |
1564 | ret = wl1271_cmd_set_default_wep_key(wl, | |
1565 | wl->default_key); | |
1566 | if (ret < 0) | |
1567 | goto out_sleep; | |
1568 | } | |
f5fc0f86 LC |
1569 | break; |
1570 | ||
1571 | case DISABLE_KEY: | |
fddc7dd7 JO |
1572 | /* The wl1271 does not allow to remove unicast keys - they |
1573 | will be cleared automatically on next CMD_JOIN. Ignore the | |
1574 | request silently, as we dont want the mac80211 to emit | |
1575 | an error message. */ | |
1576 | if (!is_broadcast_ether_addr(addr)) | |
1577 | break; | |
1578 | ||
f5fc0f86 LC |
1579 | ret = wl1271_cmd_set_key(wl, KEY_REMOVE, |
1580 | key_conf->keyidx, key_type, | |
1581 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1582 | addr, 0, 0); |
f5fc0f86 LC |
1583 | if (ret < 0) { |
1584 | wl1271_error("Could not remove key"); | |
1585 | goto out_sleep; | |
1586 | } | |
1587 | break; | |
1588 | ||
1589 | default: | |
1590 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
1591 | ret = -EOPNOTSUPP; | |
f5fc0f86 LC |
1592 | break; |
1593 | } | |
1594 | ||
1595 | out_sleep: | |
1596 | wl1271_ps_elp_sleep(wl); | |
1597 | ||
1598 | out_unlock: | |
1599 | mutex_unlock(&wl->mutex); | |
1600 | ||
1601 | out: | |
1602 | return ret; | |
1603 | } | |
1604 | ||
1605 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, | |
a060bbfe | 1606 | struct ieee80211_vif *vif, |
f5fc0f86 LC |
1607 | struct cfg80211_scan_request *req) |
1608 | { | |
1609 | struct wl1271 *wl = hw->priv; | |
1610 | int ret; | |
1611 | u8 *ssid = NULL; | |
abb0b3bf | 1612 | size_t len = 0; |
f5fc0f86 LC |
1613 | |
1614 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
1615 | ||
1616 | if (req->n_ssids) { | |
1617 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 1618 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
1619 | } |
1620 | ||
1621 | mutex_lock(&wl->mutex); | |
1622 | ||
1623 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1624 | if (ret < 0) | |
1625 | goto out; | |
1626 | ||
5924f89d | 1627 | ret = wl1271_scan(hw->priv, ssid, len, req); |
f5fc0f86 LC |
1628 | |
1629 | wl1271_ps_elp_sleep(wl); | |
1630 | ||
1631 | out: | |
1632 | mutex_unlock(&wl->mutex); | |
1633 | ||
1634 | return ret; | |
1635 | } | |
1636 | ||
1637 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
1638 | { | |
1639 | struct wl1271 *wl = hw->priv; | |
aecb0565 | 1640 | int ret = 0; |
f5fc0f86 LC |
1641 | |
1642 | mutex_lock(&wl->mutex); | |
1643 | ||
aecb0565 SD |
1644 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
1645 | goto out; | |
1646 | ||
f5fc0f86 LC |
1647 | ret = wl1271_ps_elp_wakeup(wl, false); |
1648 | if (ret < 0) | |
1649 | goto out; | |
1650 | ||
1651 | ret = wl1271_acx_rts_threshold(wl, (u16) value); | |
1652 | if (ret < 0) | |
1653 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); | |
1654 | ||
1655 | wl1271_ps_elp_sleep(wl); | |
1656 | ||
1657 | out: | |
1658 | mutex_unlock(&wl->mutex); | |
1659 | ||
1660 | return ret; | |
1661 | } | |
1662 | ||
30240fc7 JO |
1663 | static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon) |
1664 | { | |
1665 | u8 *ptr = beacon->data + | |
1666 | offsetof(struct ieee80211_mgmt, u.beacon.variable); | |
1667 | ||
1668 | /* find the location of the ssid in the beacon */ | |
1669 | while (ptr < beacon->data + beacon->len) { | |
1670 | if (ptr[0] == WLAN_EID_SSID) { | |
1671 | wl->ssid_len = ptr[1]; | |
1672 | memcpy(wl->ssid, ptr+2, wl->ssid_len); | |
1673 | return; | |
1674 | } | |
1675 | ptr += ptr[1]; | |
1676 | } | |
1677 | wl1271_error("ad-hoc beacon template has no SSID!\n"); | |
1678 | } | |
1679 | ||
f5fc0f86 LC |
1680 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
1681 | struct ieee80211_vif *vif, | |
1682 | struct ieee80211_bss_conf *bss_conf, | |
1683 | u32 changed) | |
1684 | { | |
1685 | enum wl1271_cmd_ps_mode mode; | |
1686 | struct wl1271 *wl = hw->priv; | |
8bf29b0e | 1687 | bool do_join = false; |
69e5434c | 1688 | bool set_assoc = false; |
f5fc0f86 LC |
1689 | int ret; |
1690 | ||
1691 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed"); | |
1692 | ||
1693 | mutex_lock(&wl->mutex); | |
1694 | ||
1695 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1696 | if (ret < 0) | |
1697 | goto out; | |
1698 | ||
9ee82d54 | 1699 | if ((changed & BSS_CHANGED_BEACON_INT) && |
60e84c2e JO |
1700 | (wl->bss_type == BSS_TYPE_IBSS)) { |
1701 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon interval updated: %d", | |
1702 | bss_conf->beacon_int); | |
1703 | ||
1704 | wl->beacon_int = bss_conf->beacon_int; | |
1705 | do_join = true; | |
1706 | } | |
1707 | ||
9ee82d54 | 1708 | if ((changed & BSS_CHANGED_BEACON) && |
5da11dcd | 1709 | (wl->bss_type == BSS_TYPE_IBSS)) { |
e0d8bbf0 JO |
1710 | struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); |
1711 | ||
5da11dcd JO |
1712 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beacon updated"); |
1713 | ||
e0d8bbf0 JO |
1714 | if (beacon) { |
1715 | struct ieee80211_hdr *hdr; | |
30240fc7 JO |
1716 | |
1717 | wl1271_ssid_set(wl, beacon); | |
e0d8bbf0 JO |
1718 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, |
1719 | beacon->data, | |
606c1487 JO |
1720 | beacon->len, 0, |
1721 | wl1271_min_rate_get(wl)); | |
e0d8bbf0 JO |
1722 | |
1723 | if (ret < 0) { | |
1724 | dev_kfree_skb(beacon); | |
1725 | goto out_sleep; | |
1726 | } | |
1727 | ||
1728 | hdr = (struct ieee80211_hdr *) beacon->data; | |
1729 | hdr->frame_control = cpu_to_le16( | |
1730 | IEEE80211_FTYPE_MGMT | | |
1731 | IEEE80211_STYPE_PROBE_RESP); | |
1732 | ||
1733 | ret = wl1271_cmd_template_set(wl, | |
1734 | CMD_TEMPL_PROBE_RESPONSE, | |
1735 | beacon->data, | |
606c1487 JO |
1736 | beacon->len, 0, |
1737 | wl1271_min_rate_get(wl)); | |
e0d8bbf0 JO |
1738 | dev_kfree_skb(beacon); |
1739 | if (ret < 0) | |
1740 | goto out_sleep; | |
8bf29b0e JO |
1741 | |
1742 | /* Need to update the SSID (for filtering etc) */ | |
1743 | do_join = true; | |
e0d8bbf0 JO |
1744 | } |
1745 | } | |
1746 | ||
5da11dcd JO |
1747 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && |
1748 | (wl->bss_type == BSS_TYPE_IBSS)) { | |
1749 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", | |
1750 | bss_conf->enable_beacon ? "enabled" : "disabled"); | |
1751 | ||
1752 | if (bss_conf->enable_beacon) | |
1753 | wl->set_bss_type = BSS_TYPE_IBSS; | |
1754 | else | |
1755 | wl->set_bss_type = BSS_TYPE_STA_BSS; | |
1756 | do_join = true; | |
1757 | } | |
1758 | ||
00236aed JO |
1759 | if (changed & BSS_CHANGED_CQM) { |
1760 | bool enable = false; | |
1761 | if (bss_conf->cqm_rssi_thold) | |
1762 | enable = true; | |
1763 | ret = wl1271_acx_rssi_snr_trigger(wl, enable, | |
1764 | bss_conf->cqm_rssi_thold, | |
1765 | bss_conf->cqm_rssi_hyst); | |
1766 | if (ret < 0) | |
1767 | goto out; | |
1768 | wl->rssi_thold = bss_conf->cqm_rssi_thold; | |
1769 | } | |
1770 | ||
30240fc7 JO |
1771 | if ((changed & BSS_CHANGED_BSSID) && |
1772 | /* | |
1773 | * Now we know the correct bssid, so we send a new join command | |
1774 | * and enable the BSSID filter | |
1775 | */ | |
1776 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { | |
30240fc7 | 1777 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); |
a0cb7be4 | 1778 | |
30240fc7 | 1779 | ret = wl1271_cmd_build_null_data(wl); |
a0cb7be4 | 1780 | if (ret < 0) |
30240fc7 | 1781 | goto out_sleep; |
30240fc7 | 1782 | |
141418c7 | 1783 | ret = wl1271_build_qos_null_data(wl); |
a0cb7be4 | 1784 | if (ret < 0) |
30240fc7 | 1785 | goto out_sleep; |
30240fc7 | 1786 | |
14b228a0 JO |
1787 | /* filter out all packets not from this BSSID */ |
1788 | wl1271_configure_filters(wl, 0); | |
1789 | ||
8bf29b0e JO |
1790 | /* Need to update the BSSID (for filtering etc) */ |
1791 | do_join = true; | |
30240fc7 JO |
1792 | } |
1793 | ||
f5fc0f86 LC |
1794 | if (changed & BSS_CHANGED_ASSOC) { |
1795 | if (bss_conf->assoc) { | |
ebba60c6 | 1796 | u32 rates; |
f5fc0f86 | 1797 | wl->aid = bss_conf->aid; |
69e5434c | 1798 | set_assoc = true; |
f5fc0f86 | 1799 | |
90494a90 JO |
1800 | wl->ps_poll_failures = 0; |
1801 | ||
ebba60c6 JO |
1802 | /* |
1803 | * use basic rates from AP, and determine lowest rate | |
1804 | * to use with control frames. | |
1805 | */ | |
1806 | rates = bss_conf->basic_rates; | |
1807 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, | |
1808 | rates); | |
1809 | wl->basic_rate = wl1271_min_rate_get(wl); | |
1810 | ret = wl1271_acx_rate_policies(wl); | |
1811 | if (ret < 0) | |
1812 | goto out_sleep; | |
1813 | ||
ae751bab LC |
1814 | /* |
1815 | * with wl1271, we don't need to update the | |
1816 | * beacon_int and dtim_period, because the firmware | |
1817 | * updates it by itself when the first beacon is | |
1818 | * received after a join. | |
1819 | */ | |
f5fc0f86 LC |
1820 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
1821 | if (ret < 0) | |
1822 | goto out_sleep; | |
1823 | ||
c2b2d99b JO |
1824 | /* |
1825 | * The SSID is intentionally set to NULL here - the | |
1826 | * firmware will set the probe request with a | |
1827 | * broadcast SSID regardless of what we set in the | |
1828 | * template. | |
1829 | */ | |
1830 | ret = wl1271_cmd_build_probe_req(wl, NULL, 0, | |
1831 | NULL, 0, wl->band); | |
1832 | ||
6ccbb92e JO |
1833 | /* enable the connection monitoring feature */ |
1834 | ret = wl1271_acx_conn_monit_params(wl, true); | |
f5fc0f86 LC |
1835 | if (ret < 0) |
1836 | goto out_sleep; | |
1837 | ||
1838 | /* If we want to go in PSM but we're not there yet */ | |
71449f8d JO |
1839 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
1840 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { | |
f5fc0f86 | 1841 | mode = STATION_POWER_SAVE_MODE; |
d8c42c0c | 1842 | ret = wl1271_ps_set_mode(wl, mode, true); |
f5fc0f86 LC |
1843 | if (ret < 0) |
1844 | goto out_sleep; | |
1845 | } | |
d94cd297 JO |
1846 | } else { |
1847 | /* use defaults when not associated */ | |
c2c192ac | 1848 | clear_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags); |
830fb67b | 1849 | clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
d94cd297 | 1850 | wl->aid = 0; |
6ccbb92e | 1851 | |
8d2ef7bd | 1852 | /* re-enable dynamic ps - just in case */ |
f532be6d | 1853 | ieee80211_enable_dyn_ps(wl->vif); |
8d2ef7bd | 1854 | |
ebba60c6 JO |
1855 | /* revert back to minimum rates for the current band */ |
1856 | wl1271_set_band_rate(wl); | |
1857 | wl->basic_rate = wl1271_min_rate_get(wl); | |
1858 | ret = wl1271_acx_rate_policies(wl); | |
1859 | if (ret < 0) | |
1860 | goto out_sleep; | |
1861 | ||
6ccbb92e JO |
1862 | /* disable connection monitor features */ |
1863 | ret = wl1271_acx_conn_monit_params(wl, false); | |
c1899554 JO |
1864 | |
1865 | /* Disable the keep-alive feature */ | |
1866 | ret = wl1271_acx_keep_alive_mode(wl, false); | |
1867 | ||
6ccbb92e JO |
1868 | if (ret < 0) |
1869 | goto out_sleep; | |
f5fc0f86 | 1870 | } |
d94cd297 | 1871 | |
f5fc0f86 | 1872 | } |
8a5a37a6 | 1873 | |
f5fc0f86 LC |
1874 | if (changed & BSS_CHANGED_ERP_SLOT) { |
1875 | if (bss_conf->use_short_slot) | |
1876 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); | |
1877 | else | |
1878 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); | |
1879 | if (ret < 0) { | |
1880 | wl1271_warning("Set slot time failed %d", ret); | |
1881 | goto out_sleep; | |
1882 | } | |
1883 | } | |
1884 | ||
1885 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
1886 | if (bss_conf->use_short_preamble) | |
1887 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); | |
1888 | else | |
1889 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); | |
1890 | } | |
1891 | ||
1892 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
1893 | if (bss_conf->use_cts_prot) | |
1894 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); | |
1895 | else | |
1896 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); | |
1897 | if (ret < 0) { | |
1898 | wl1271_warning("Set ctsprotect failed %d", ret); | |
1899 | goto out_sleep; | |
1900 | } | |
1901 | } | |
1902 | ||
ca52a5eb JO |
1903 | if (changed & BSS_CHANGED_ARP_FILTER) { |
1904 | __be32 addr = bss_conf->arp_addr_list[0]; | |
1905 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); | |
1906 | ||
1907 | if (bss_conf->arp_addr_cnt == 1 && bss_conf->arp_filter_enabled) | |
1908 | ret = wl1271_acx_arp_ip_filter(wl, true, addr); | |
1909 | else | |
1910 | ret = wl1271_acx_arp_ip_filter(wl, false, addr); | |
1911 | ||
1912 | if (ret < 0) | |
1913 | goto out_sleep; | |
1914 | } | |
1915 | ||
8bf29b0e | 1916 | if (do_join) { |
69e5434c | 1917 | ret = wl1271_join(wl, set_assoc); |
8bf29b0e JO |
1918 | if (ret < 0) { |
1919 | wl1271_warning("cmd join failed %d", ret); | |
1920 | goto out_sleep; | |
1921 | } | |
c1899554 JO |
1922 | } |
1923 | ||
f5fc0f86 LC |
1924 | out_sleep: |
1925 | wl1271_ps_elp_sleep(wl); | |
1926 | ||
1927 | out: | |
1928 | mutex_unlock(&wl->mutex); | |
1929 | } | |
1930 | ||
c6999d83 KV |
1931 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
1932 | const struct ieee80211_tx_queue_params *params) | |
1933 | { | |
1934 | struct wl1271 *wl = hw->priv; | |
4695dc91 | 1935 | u8 ps_scheme; |
c6999d83 KV |
1936 | int ret; |
1937 | ||
1938 | mutex_lock(&wl->mutex); | |
1939 | ||
1940 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
1941 | ||
c82c1dde KV |
1942 | ret = wl1271_ps_elp_wakeup(wl, false); |
1943 | if (ret < 0) | |
1944 | goto out; | |
1945 | ||
b43316db | 1946 | /* the txop is confed in units of 32us by the mac80211, we need us */ |
c6999d83 KV |
1947 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), |
1948 | params->cw_min, params->cw_max, | |
b43316db | 1949 | params->aifs, params->txop << 5); |
c6999d83 | 1950 | if (ret < 0) |
c82c1dde | 1951 | goto out_sleep; |
c6999d83 | 1952 | |
4695dc91 KV |
1953 | if (params->uapsd) |
1954 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; | |
1955 | else | |
1956 | ps_scheme = CONF_PS_SCHEME_LEGACY; | |
1957 | ||
c6999d83 KV |
1958 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), |
1959 | CONF_CHANNEL_TYPE_EDCF, | |
1960 | wl1271_tx_get_queue(queue), | |
4695dc91 | 1961 | ps_scheme, CONF_ACK_POLICY_LEGACY, 0, 0); |
c6999d83 | 1962 | if (ret < 0) |
c82c1dde KV |
1963 | goto out_sleep; |
1964 | ||
1965 | out_sleep: | |
1966 | wl1271_ps_elp_sleep(wl); | |
c6999d83 KV |
1967 | |
1968 | out: | |
1969 | mutex_unlock(&wl->mutex); | |
1970 | ||
1971 | return ret; | |
1972 | } | |
1973 | ||
bbbb538e JO |
1974 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw) |
1975 | { | |
1976 | ||
1977 | struct wl1271 *wl = hw->priv; | |
1978 | u64 mactime = ULLONG_MAX; | |
1979 | int ret; | |
1980 | ||
1981 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); | |
1982 | ||
1983 | mutex_lock(&wl->mutex); | |
1984 | ||
1985 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1986 | if (ret < 0) | |
1987 | goto out; | |
1988 | ||
1989 | ret = wl1271_acx_tsf_info(wl, &mactime); | |
1990 | if (ret < 0) | |
1991 | goto out_sleep; | |
1992 | ||
1993 | out_sleep: | |
1994 | wl1271_ps_elp_sleep(wl); | |
1995 | ||
1996 | out: | |
1997 | mutex_unlock(&wl->mutex); | |
1998 | return mactime; | |
1999 | } | |
f5fc0f86 | 2000 | |
ece550d0 JL |
2001 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
2002 | struct survey_info *survey) | |
2003 | { | |
2004 | struct wl1271 *wl = hw->priv; | |
2005 | struct ieee80211_conf *conf = &hw->conf; | |
2006 | ||
2007 | if (idx != 0) | |
2008 | return -ENOENT; | |
2009 | ||
2010 | survey->channel = conf->channel; | |
2011 | survey->filled = SURVEY_INFO_NOISE_DBM; | |
2012 | survey->noise = wl->noise; | |
2013 | ||
2014 | return 0; | |
2015 | } | |
2016 | ||
f5fc0f86 LC |
2017 | /* can't be const, mac80211 writes to this */ |
2018 | static struct ieee80211_rate wl1271_rates[] = { | |
2019 | { .bitrate = 10, | |
2b60100b JO |
2020 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
2021 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 2022 | { .bitrate = 20, |
2b60100b JO |
2023 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
2024 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
2025 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
2026 | { .bitrate = 55, | |
2b60100b JO |
2027 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
2028 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
2029 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
2030 | { .bitrate = 110, | |
2b60100b JO |
2031 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
2032 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
2033 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
2034 | { .bitrate = 60, | |
2b60100b JO |
2035 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
2036 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 2037 | { .bitrate = 90, |
2b60100b JO |
2038 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
2039 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 2040 | { .bitrate = 120, |
2b60100b JO |
2041 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
2042 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 2043 | { .bitrate = 180, |
2b60100b JO |
2044 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
2045 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 2046 | { .bitrate = 240, |
2b60100b JO |
2047 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
2048 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 2049 | { .bitrate = 360, |
2b60100b JO |
2050 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
2051 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 2052 | { .bitrate = 480, |
2b60100b JO |
2053 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
2054 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 2055 | { .bitrate = 540, |
2b60100b JO |
2056 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
2057 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
2058 | }; |
2059 | ||
fa21c7a9 JO |
2060 | /* |
2061 | * Can't be const, mac80211 writes to this. The order of the channels here | |
2062 | * is designed to improve scanning. | |
2063 | */ | |
f5fc0f86 | 2064 | static struct ieee80211_channel wl1271_channels[] = { |
a2d0e3f1 | 2065 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
a2d0e3f1 | 2066 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, |
a2d0e3f1 | 2067 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, |
a2d0e3f1 | 2068 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, |
fa21c7a9 JO |
2069 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, |
2070 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, | |
2071 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, | |
2072 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, | |
2073 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, | |
2074 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, | |
2075 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, | |
2076 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, | |
2077 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, | |
f5fc0f86 LC |
2078 | }; |
2079 | ||
f876bb9a | 2080 | /* mapping to indexes for wl1271_rates */ |
a0ea9493 | 2081 | static const u8 wl1271_rate_to_idx_2ghz[] = { |
f876bb9a JO |
2082 | /* MCS rates are used only with 11n */ |
2083 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */ | |
2084 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */ | |
2085 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */ | |
2086 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */ | |
2087 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */ | |
2088 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */ | |
2089 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */ | |
2090 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */ | |
2091 | ||
2092 | 11, /* CONF_HW_RXTX_RATE_54 */ | |
2093 | 10, /* CONF_HW_RXTX_RATE_48 */ | |
2094 | 9, /* CONF_HW_RXTX_RATE_36 */ | |
2095 | 8, /* CONF_HW_RXTX_RATE_24 */ | |
2096 | ||
2097 | /* TI-specific rate */ | |
2098 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ | |
2099 | ||
2100 | 7, /* CONF_HW_RXTX_RATE_18 */ | |
2101 | 6, /* CONF_HW_RXTX_RATE_12 */ | |
2102 | 3, /* CONF_HW_RXTX_RATE_11 */ | |
2103 | 5, /* CONF_HW_RXTX_RATE_9 */ | |
2104 | 4, /* CONF_HW_RXTX_RATE_6 */ | |
2105 | 2, /* CONF_HW_RXTX_RATE_5_5 */ | |
2106 | 1, /* CONF_HW_RXTX_RATE_2 */ | |
2107 | 0 /* CONF_HW_RXTX_RATE_1 */ | |
2108 | }; | |
2109 | ||
f5fc0f86 LC |
2110 | /* can't be const, mac80211 writes to this */ |
2111 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
2112 | .channels = wl1271_channels, | |
2113 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
2114 | .bitrates = wl1271_rates, | |
2115 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
2116 | }; | |
2117 | ||
1ebec3d7 TP |
2118 | /* 5 GHz data rates for WL1273 */ |
2119 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
2120 | { .bitrate = 60, | |
2121 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
2122 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
2123 | { .bitrate = 90, | |
2124 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
2125 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
2126 | { .bitrate = 120, | |
2127 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
2128 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
2129 | { .bitrate = 180, | |
2130 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
2131 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
2132 | { .bitrate = 240, | |
2133 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
2134 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
2135 | { .bitrate = 360, | |
2136 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
2137 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
2138 | { .bitrate = 480, | |
2139 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
2140 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
2141 | { .bitrate = 540, | |
2142 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
2143 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
2144 | }; | |
2145 | ||
fa21c7a9 JO |
2146 | /* |
2147 | * 5 GHz band channels for WL1273 - can't be const, mac80211 writes to this. | |
2148 | * The order of the channels here is designed to improve scanning. | |
2149 | */ | |
1ebec3d7 TP |
2150 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
2151 | { .hw_value = 183, .center_freq = 4915}, | |
1ebec3d7 | 2152 | { .hw_value = 188, .center_freq = 4940}, |
1ebec3d7 | 2153 | { .hw_value = 8, .center_freq = 5040}, |
1ebec3d7 | 2154 | { .hw_value = 34, .center_freq = 5170}, |
1ebec3d7 | 2155 | { .hw_value = 44, .center_freq = 5220}, |
1ebec3d7 | 2156 | { .hw_value = 60, .center_freq = 5300}, |
1ebec3d7 | 2157 | { .hw_value = 112, .center_freq = 5560}, |
1ebec3d7 | 2158 | { .hw_value = 132, .center_freq = 5660}, |
fa21c7a9 JO |
2159 | { .hw_value = 157, .center_freq = 5785}, |
2160 | { .hw_value = 184, .center_freq = 4920}, | |
2161 | { .hw_value = 189, .center_freq = 4945}, | |
2162 | { .hw_value = 9, .center_freq = 5045}, | |
2163 | { .hw_value = 36, .center_freq = 5180}, | |
2164 | { .hw_value = 46, .center_freq = 5230}, | |
2165 | { .hw_value = 64, .center_freq = 5320}, | |
2166 | { .hw_value = 116, .center_freq = 5580}, | |
1ebec3d7 | 2167 | { .hw_value = 136, .center_freq = 5680}, |
fa21c7a9 JO |
2168 | { .hw_value = 192, .center_freq = 4960}, |
2169 | { .hw_value = 11, .center_freq = 5055}, | |
2170 | { .hw_value = 38, .center_freq = 5190}, | |
2171 | { .hw_value = 48, .center_freq = 5240}, | |
2172 | { .hw_value = 100, .center_freq = 5500}, | |
2173 | { .hw_value = 120, .center_freq = 5600}, | |
1ebec3d7 | 2174 | { .hw_value = 140, .center_freq = 5700}, |
fa21c7a9 JO |
2175 | { .hw_value = 185, .center_freq = 4925}, |
2176 | { .hw_value = 196, .center_freq = 4980}, | |
2177 | { .hw_value = 12, .center_freq = 5060}, | |
2178 | { .hw_value = 40, .center_freq = 5200}, | |
2179 | { .hw_value = 52, .center_freq = 5260}, | |
2180 | { .hw_value = 104, .center_freq = 5520}, | |
2181 | { .hw_value = 124, .center_freq = 5620}, | |
1ebec3d7 | 2182 | { .hw_value = 149, .center_freq = 5745}, |
1ebec3d7 | 2183 | { .hw_value = 161, .center_freq = 5805}, |
fa21c7a9 JO |
2184 | { .hw_value = 187, .center_freq = 4935}, |
2185 | { .hw_value = 7, .center_freq = 5035}, | |
2186 | { .hw_value = 16, .center_freq = 5080}, | |
2187 | { .hw_value = 42, .center_freq = 5210}, | |
2188 | { .hw_value = 56, .center_freq = 5280}, | |
2189 | { .hw_value = 108, .center_freq = 5540}, | |
2190 | { .hw_value = 128, .center_freq = 5640}, | |
2191 | { .hw_value = 153, .center_freq = 5765}, | |
1ebec3d7 TP |
2192 | { .hw_value = 165, .center_freq = 5825}, |
2193 | }; | |
2194 | ||
f876bb9a | 2195 | /* mapping to indexes for wl1271_rates_5ghz */ |
a0ea9493 | 2196 | static const u8 wl1271_rate_to_idx_5ghz[] = { |
f876bb9a JO |
2197 | /* MCS rates are used only with 11n */ |
2198 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */ | |
2199 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */ | |
2200 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */ | |
2201 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */ | |
2202 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */ | |
2203 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */ | |
2204 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */ | |
2205 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */ | |
2206 | ||
2207 | 7, /* CONF_HW_RXTX_RATE_54 */ | |
2208 | 6, /* CONF_HW_RXTX_RATE_48 */ | |
2209 | 5, /* CONF_HW_RXTX_RATE_36 */ | |
2210 | 4, /* CONF_HW_RXTX_RATE_24 */ | |
2211 | ||
2212 | /* TI-specific rate */ | |
2213 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ | |
2214 | ||
2215 | 3, /* CONF_HW_RXTX_RATE_18 */ | |
2216 | 2, /* CONF_HW_RXTX_RATE_12 */ | |
2217 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */ | |
2218 | 1, /* CONF_HW_RXTX_RATE_9 */ | |
2219 | 0, /* CONF_HW_RXTX_RATE_6 */ | |
2220 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */ | |
2221 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */ | |
2222 | CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */ | |
2223 | }; | |
1ebec3d7 TP |
2224 | |
2225 | static struct ieee80211_supported_band wl1271_band_5ghz = { | |
2226 | .channels = wl1271_channels_5ghz, | |
2227 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
2228 | .bitrates = wl1271_rates_5ghz, | |
2229 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
2230 | }; | |
2231 | ||
a0ea9493 | 2232 | static const u8 *wl1271_band_rate_to_idx[] = { |
f876bb9a JO |
2233 | [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz, |
2234 | [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz | |
2235 | }; | |
2236 | ||
f5fc0f86 LC |
2237 | static const struct ieee80211_ops wl1271_ops = { |
2238 | .start = wl1271_op_start, | |
2239 | .stop = wl1271_op_stop, | |
2240 | .add_interface = wl1271_op_add_interface, | |
2241 | .remove_interface = wl1271_op_remove_interface, | |
2242 | .config = wl1271_op_config, | |
c87dec9f | 2243 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
2244 | .configure_filter = wl1271_op_configure_filter, |
2245 | .tx = wl1271_op_tx, | |
2246 | .set_key = wl1271_op_set_key, | |
2247 | .hw_scan = wl1271_op_hw_scan, | |
2248 | .bss_info_changed = wl1271_op_bss_info_changed, | |
2249 | .set_rts_threshold = wl1271_op_set_rts_threshold, | |
c6999d83 | 2250 | .conf_tx = wl1271_op_conf_tx, |
bbbb538e | 2251 | .get_tsf = wl1271_op_get_tsf, |
ece550d0 | 2252 | .get_survey = wl1271_op_get_survey, |
c8c90873 | 2253 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
2254 | }; |
2255 | ||
f876bb9a JO |
2256 | |
2257 | u8 wl1271_rate_to_idx(struct wl1271 *wl, int rate) | |
2258 | { | |
2259 | u8 idx; | |
2260 | ||
2261 | BUG_ON(wl->band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); | |
2262 | ||
2263 | if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) { | |
2264 | wl1271_error("Illegal RX rate from HW: %d", rate); | |
2265 | return 0; | |
2266 | } | |
2267 | ||
2268 | idx = wl1271_band_rate_to_idx[wl->band][rate]; | |
2269 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { | |
2270 | wl1271_error("Unsupported RX rate from HW: %d", rate); | |
2271 | return 0; | |
2272 | } | |
2273 | ||
2274 | return idx; | |
2275 | } | |
2276 | ||
7fc3a864 JO |
2277 | static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, |
2278 | struct device_attribute *attr, | |
2279 | char *buf) | |
2280 | { | |
2281 | struct wl1271 *wl = dev_get_drvdata(dev); | |
2282 | ssize_t len; | |
2283 | ||
2284 | /* FIXME: what's the maximum length of buf? page size?*/ | |
2285 | len = 500; | |
2286 | ||
2287 | mutex_lock(&wl->mutex); | |
2288 | len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", | |
2289 | wl->sg_enabled); | |
2290 | mutex_unlock(&wl->mutex); | |
2291 | ||
2292 | return len; | |
2293 | ||
2294 | } | |
2295 | ||
2296 | static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, | |
2297 | struct device_attribute *attr, | |
2298 | const char *buf, size_t count) | |
2299 | { | |
2300 | struct wl1271 *wl = dev_get_drvdata(dev); | |
2301 | unsigned long res; | |
2302 | int ret; | |
2303 | ||
2304 | ret = strict_strtoul(buf, 10, &res); | |
2305 | ||
2306 | if (ret < 0) { | |
2307 | wl1271_warning("incorrect value written to bt_coex_mode"); | |
2308 | return count; | |
2309 | } | |
2310 | ||
2311 | mutex_lock(&wl->mutex); | |
2312 | ||
2313 | res = !!res; | |
2314 | ||
2315 | if (res == wl->sg_enabled) | |
2316 | goto out; | |
2317 | ||
2318 | wl->sg_enabled = res; | |
2319 | ||
2320 | if (wl->state == WL1271_STATE_OFF) | |
2321 | goto out; | |
2322 | ||
2323 | ret = wl1271_ps_elp_wakeup(wl, false); | |
2324 | if (ret < 0) | |
2325 | goto out; | |
2326 | ||
2327 | wl1271_acx_sg_enable(wl, wl->sg_enabled); | |
2328 | wl1271_ps_elp_sleep(wl); | |
2329 | ||
2330 | out: | |
2331 | mutex_unlock(&wl->mutex); | |
2332 | return count; | |
2333 | } | |
2334 | ||
2335 | static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, | |
2336 | wl1271_sysfs_show_bt_coex_state, | |
2337 | wl1271_sysfs_store_bt_coex_state); | |
2338 | ||
d717fd61 JO |
2339 | static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, |
2340 | struct device_attribute *attr, | |
2341 | char *buf) | |
2342 | { | |
2343 | struct wl1271 *wl = dev_get_drvdata(dev); | |
2344 | ssize_t len; | |
2345 | ||
2346 | /* FIXME: what's the maximum length of buf? page size?*/ | |
2347 | len = 500; | |
2348 | ||
2349 | mutex_lock(&wl->mutex); | |
2350 | if (wl->hw_pg_ver >= 0) | |
2351 | len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); | |
2352 | else | |
2353 | len = snprintf(buf, len, "n/a\n"); | |
2354 | mutex_unlock(&wl->mutex); | |
2355 | ||
2356 | return len; | |
2357 | } | |
2358 | ||
2359 | static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR, | |
2360 | wl1271_sysfs_show_hw_pg_ver, NULL); | |
2361 | ||
2d5e82b8 | 2362 | int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
2363 | { |
2364 | int ret; | |
2365 | ||
2366 | if (wl->mac80211_registered) | |
2367 | return 0; | |
2368 | ||
2369 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); | |
2370 | ||
2371 | ret = ieee80211_register_hw(wl->hw); | |
2372 | if (ret < 0) { | |
2373 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
2374 | return ret; | |
2375 | } | |
2376 | ||
2377 | wl->mac80211_registered = true; | |
2378 | ||
c2c192ac JO |
2379 | register_netdevice_notifier(&wl1271_dev_notifier); |
2380 | ||
f5fc0f86 LC |
2381 | wl1271_notice("loaded"); |
2382 | ||
2383 | return 0; | |
2384 | } | |
50b3eb4b | 2385 | EXPORT_SYMBOL_GPL(wl1271_register_hw); |
f5fc0f86 | 2386 | |
3b56dd6a TP |
2387 | void wl1271_unregister_hw(struct wl1271 *wl) |
2388 | { | |
c2c192ac | 2389 | unregister_netdevice_notifier(&wl1271_dev_notifier); |
3b56dd6a TP |
2390 | ieee80211_unregister_hw(wl->hw); |
2391 | wl->mac80211_registered = false; | |
2392 | ||
2393 | } | |
2394 | EXPORT_SYMBOL_GPL(wl1271_unregister_hw); | |
2395 | ||
2d5e82b8 | 2396 | int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 2397 | { |
1e2b7976 JO |
2398 | /* The tx descriptor buffer and the TKIP space. */ |
2399 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + | |
2400 | sizeof(struct wl1271_tx_hw_descr); | |
f5fc0f86 LC |
2401 | |
2402 | /* unit us */ | |
2403 | /* FIXME: find a proper value */ | |
2404 | wl->hw->channel_change_time = 10000; | |
50c500ad | 2405 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
f5fc0f86 LC |
2406 | |
2407 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
03442a33 | 2408 | IEEE80211_HW_BEACON_FILTER | |
0a34332f | 2409 | IEEE80211_HW_SUPPORTS_PS | |
4695dc91 | 2410 | IEEE80211_HW_SUPPORTS_UAPSD | |
a9af092b | 2411 | IEEE80211_HW_HAS_RATE_CONTROL | |
00236aed JO |
2412 | IEEE80211_HW_CONNECTION_MONITOR | |
2413 | IEEE80211_HW_SUPPORTS_CQM_RSSI; | |
f5fc0f86 | 2414 | |
e0d8bbf0 JO |
2415 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
2416 | BIT(NL80211_IFTYPE_ADHOC); | |
f5fc0f86 LC |
2417 | wl->hw->wiphy->max_scan_ssids = 1; |
2418 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz; | |
2419 | ||
1ebec3d7 TP |
2420 | if (wl1271_11a_enabled()) |
2421 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz; | |
2422 | ||
12bd8949 | 2423 | wl->hw->queues = 4; |
31627dc5 | 2424 | wl->hw->max_rates = 1; |
12bd8949 | 2425 | |
8197b711 | 2426 | SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); |
f5fc0f86 LC |
2427 | |
2428 | return 0; | |
2429 | } | |
50b3eb4b | 2430 | EXPORT_SYMBOL_GPL(wl1271_init_ieee80211); |
f5fc0f86 | 2431 | |
f5fc0f86 | 2432 | #define WL1271_DEFAULT_CHANNEL 0 |
c332a4b8 | 2433 | |
2d5e82b8 | 2434 | struct ieee80211_hw *wl1271_alloc_hw(void) |
f5fc0f86 | 2435 | { |
f5fc0f86 | 2436 | struct ieee80211_hw *hw; |
3b56dd6a | 2437 | struct platform_device *plat_dev = NULL; |
f5fc0f86 | 2438 | struct wl1271 *wl; |
a1dd8187 | 2439 | int i, ret; |
f5fc0f86 LC |
2440 | |
2441 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
2442 | if (!hw) { | |
2443 | wl1271_error("could not alloc ieee80211_hw"); | |
a1dd8187 | 2444 | ret = -ENOMEM; |
3b56dd6a TP |
2445 | goto err_hw_alloc; |
2446 | } | |
2447 | ||
929ebd30 | 2448 | plat_dev = kmemdup(&wl1271_device, sizeof(wl1271_device), GFP_KERNEL); |
3b56dd6a TP |
2449 | if (!plat_dev) { |
2450 | wl1271_error("could not allocate platform_device"); | |
2451 | ret = -ENOMEM; | |
2452 | goto err_plat_alloc; | |
f5fc0f86 LC |
2453 | } |
2454 | ||
2455 | wl = hw->priv; | |
2456 | memset(wl, 0, sizeof(*wl)); | |
2457 | ||
01c09162 JO |
2458 | INIT_LIST_HEAD(&wl->list); |
2459 | ||
f5fc0f86 | 2460 | wl->hw = hw; |
3b56dd6a | 2461 | wl->plat_dev = plat_dev; |
f5fc0f86 LC |
2462 | |
2463 | skb_queue_head_init(&wl->tx_queue); | |
2464 | ||
37b70a81 | 2465 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
90494a90 | 2466 | INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work); |
f5fc0f86 | 2467 | wl->channel = WL1271_DEFAULT_CHANNEL; |
60e84c2e | 2468 | wl->beacon_int = WL1271_DEFAULT_BEACON_INT; |
f5fc0f86 | 2469 | wl->default_key = 0; |
f5fc0f86 LC |
2470 | wl->rx_counter = 0; |
2471 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
2472 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
19ad0715 | 2473 | wl->psm_entry_retry = 0; |
f5fc0f86 | 2474 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
a6fe2313 | 2475 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
ebba60c6 | 2476 | wl->basic_rate = CONF_TX_RATE_MASK_BASIC; |
830fb67b JO |
2477 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
2478 | wl->sta_rate_set = 0; | |
8a5a37a6 | 2479 | wl->band = IEEE80211_BAND_2GHZ; |
b771eee5 | 2480 | wl->vif = NULL; |
830fb67b | 2481 | wl->flags = 0; |
7fc3a864 | 2482 | wl->sg_enabled = true; |
d717fd61 | 2483 | wl->hw_pg_ver = -1; |
f5fc0f86 | 2484 | |
be7078c2 | 2485 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
f5fc0f86 LC |
2486 | wl->tx_frames[i] = NULL; |
2487 | ||
2488 | spin_lock_init(&wl->wl_lock); | |
2489 | ||
f5fc0f86 LC |
2490 | wl->state = WL1271_STATE_OFF; |
2491 | mutex_init(&wl->mutex); | |
2492 | ||
c332a4b8 TP |
2493 | /* Apply default driver configuration. */ |
2494 | wl1271_conf_init(wl); | |
2495 | ||
2d5e82b8 TP |
2496 | wl1271_debugfs_init(wl); |
2497 | ||
a1dd8187 | 2498 | /* Register platform device */ |
3b56dd6a | 2499 | ret = platform_device_register(wl->plat_dev); |
a1dd8187 JO |
2500 | if (ret) { |
2501 | wl1271_error("couldn't register platform device"); | |
2502 | goto err_hw; | |
2503 | } | |
3b56dd6a | 2504 | dev_set_drvdata(&wl->plat_dev->dev, wl); |
a1dd8187 | 2505 | |
7fc3a864 | 2506 | /* Create sysfs file to control bt coex state */ |
3b56dd6a | 2507 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
7fc3a864 JO |
2508 | if (ret < 0) { |
2509 | wl1271_error("failed to create sysfs file bt_coex_state"); | |
2510 | goto err_platform; | |
2511 | } | |
a1dd8187 | 2512 | |
d717fd61 JO |
2513 | /* Create sysfs file to get HW PG version */ |
2514 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); | |
2515 | if (ret < 0) { | |
2516 | wl1271_error("failed to create sysfs file hw_pg_ver"); | |
2517 | goto err_bt_coex_state; | |
2518 | } | |
2519 | ||
c332a4b8 | 2520 | return hw; |
a1dd8187 | 2521 | |
d717fd61 JO |
2522 | err_bt_coex_state: |
2523 | device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); | |
2524 | ||
7fc3a864 | 2525 | err_platform: |
3b56dd6a | 2526 | platform_device_unregister(wl->plat_dev); |
7fc3a864 | 2527 | |
a1dd8187 | 2528 | err_hw: |
3b56dd6a TP |
2529 | wl1271_debugfs_exit(wl); |
2530 | kfree(plat_dev); | |
2531 | ||
2532 | err_plat_alloc: | |
2533 | ieee80211_free_hw(hw); | |
2534 | ||
2535 | err_hw_alloc: | |
a1dd8187 | 2536 | |
a1dd8187 | 2537 | return ERR_PTR(ret); |
c332a4b8 | 2538 | } |
50b3eb4b | 2539 | EXPORT_SYMBOL_GPL(wl1271_alloc_hw); |
c332a4b8 TP |
2540 | |
2541 | int wl1271_free_hw(struct wl1271 *wl) | |
2542 | { | |
3b56dd6a TP |
2543 | platform_device_unregister(wl->plat_dev); |
2544 | kfree(wl->plat_dev); | |
c332a4b8 TP |
2545 | |
2546 | wl1271_debugfs_exit(wl); | |
2547 | ||
c332a4b8 TP |
2548 | vfree(wl->fw); |
2549 | wl->fw = NULL; | |
2550 | kfree(wl->nvs); | |
2551 | wl->nvs = NULL; | |
2552 | ||
2553 | kfree(wl->fw_status); | |
2554 | kfree(wl->tx_res_if); | |
2555 | ||
2556 | ieee80211_free_hw(wl->hw); | |
2557 | ||
2558 | return 0; | |
2559 | } | |
50b3eb4b TP |
2560 | EXPORT_SYMBOL_GPL(wl1271_free_hw); |
2561 | ||
2562 | MODULE_LICENSE("GPL"); | |
2563 | MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); | |
2564 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |