Commit | Line | Data |
---|---|---|
f1d63a59 | 1 | |
f5fc0f86 LC |
2 | /* |
3 | * This file is part of wl1271 | |
4 | * | |
8bf29b0e | 5 | * Copyright (C) 2008-2010 Nokia Corporation |
f5fc0f86 LC |
6 | * |
7 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * version 2 as published by the Free Software Foundation. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
21 | * 02110-1301 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | #include <linux/module.h> | |
f5fc0f86 LC |
26 | #include <linux/firmware.h> |
27 | #include <linux/delay.h> | |
f5fc0f86 LC |
28 | #include <linux/spi/spi.h> |
29 | #include <linux/crc32.h> | |
30 | #include <linux/etherdevice.h> | |
1fba4974 | 31 | #include <linux/vmalloc.h> |
a1dd8187 | 32 | #include <linux/platform_device.h> |
5a0e3ad6 | 33 | #include <linux/slab.h> |
341b7cde | 34 | #include <linux/wl12xx.h> |
95dac04f | 35 | #include <linux/sched.h> |
a390e85c | 36 | #include <linux/interrupt.h> |
f5fc0f86 | 37 | |
c31be25a | 38 | #include "wlcore.h" |
0f4e3122 | 39 | #include "debug.h" |
f5fc0f86 | 40 | #include "wl12xx_80211.h" |
00d20100 SL |
41 | #include "io.h" |
42 | #include "event.h" | |
43 | #include "tx.h" | |
44 | #include "rx.h" | |
45 | #include "ps.h" | |
46 | #include "init.h" | |
47 | #include "debugfs.h" | |
48 | #include "cmd.h" | |
49 | #include "boot.h" | |
50 | #include "testmode.h" | |
51 | #include "scan.h" | |
53d67a50 | 52 | #include "hw_ops.h" |
f5fc0f86 | 53 | |
9ccd9217 JO |
54 | #define WL1271_BOOT_RETRIES 3 |
55 | ||
e87288f0 | 56 | #define WL1271_BOOT_RETRIES 3 |
8a08048a | 57 | |
95dac04f | 58 | static char *fwlog_param; |
2a5bff09 | 59 | static bool bug_on_recovery; |
34785be5 | 60 | static bool no_recovery; |
95dac04f | 61 | |
7dece1c8 | 62 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
536129c8 | 63 | struct ieee80211_vif *vif, |
7dece1c8 | 64 | bool reset_tx_queues); |
f0277434 | 65 | static void wl1271_op_stop(struct ieee80211_hw *hw); |
170d0e67 | 66 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif); |
52b0e7a6 | 67 | |
9fd6f21b EP |
68 | static int wl12xx_set_authorized(struct wl1271 *wl, |
69 | struct wl12xx_vif *wlvif) | |
ef4b29e9 EP |
70 | { |
71 | int ret; | |
0603d891 | 72 | |
9fd6f21b EP |
73 | if (WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS)) |
74 | return -EINVAL; | |
75 | ||
76 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
ef4b29e9 EP |
77 | return 0; |
78 | ||
8181aecc | 79 | if (test_and_set_bit(WLVIF_FLAG_STA_STATE_SENT, &wlvif->flags)) |
ef4b29e9 EP |
80 | return 0; |
81 | ||
154da67c | 82 | ret = wl12xx_cmd_set_peer_state(wl, wlvif->sta.hlid); |
ef4b29e9 EP |
83 | if (ret < 0) |
84 | return ret; | |
85 | ||
0603d891 | 86 | wl12xx_croc(wl, wlvif->role_id); |
251c177f | 87 | |
ef4b29e9 EP |
88 | wl1271_info("Association completed."); |
89 | return 0; | |
90 | } | |
c2c192ac | 91 | |
b7417d93 | 92 | static int wl1271_reg_notify(struct wiphy *wiphy, |
573c67cf LC |
93 | struct regulatory_request *request) |
94 | { | |
b7417d93 JO |
95 | struct ieee80211_supported_band *band; |
96 | struct ieee80211_channel *ch; | |
97 | int i; | |
98 | ||
99 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; | |
100 | for (i = 0; i < band->n_channels; i++) { | |
101 | ch = &band->channels[i]; | |
102 | if (ch->flags & IEEE80211_CHAN_DISABLED) | |
103 | continue; | |
104 | ||
105 | if (ch->flags & IEEE80211_CHAN_RADAR) | |
106 | ch->flags |= IEEE80211_CHAN_NO_IBSS | | |
107 | IEEE80211_CHAN_PASSIVE_SCAN; | |
108 | ||
109 | } | |
110 | ||
111 | return 0; | |
112 | } | |
113 | ||
9eb599e9 EP |
114 | static int wl1271_set_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
115 | bool enable) | |
77ddaa10 EP |
116 | { |
117 | int ret = 0; | |
118 | ||
119 | /* we should hold wl->mutex */ | |
9eb599e9 | 120 | ret = wl1271_acx_ps_rx_streaming(wl, wlvif, enable); |
77ddaa10 EP |
121 | if (ret < 0) |
122 | goto out; | |
123 | ||
124 | if (enable) | |
0744bdb6 | 125 | set_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
77ddaa10 | 126 | else |
0744bdb6 | 127 | clear_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags); |
77ddaa10 EP |
128 | out: |
129 | return ret; | |
130 | } | |
131 | ||
132 | /* | |
133 | * this function is being called when the rx_streaming interval | |
134 | * has beed changed or rx_streaming should be disabled | |
135 | */ | |
9eb599e9 | 136 | int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
77ddaa10 EP |
137 | { |
138 | int ret = 0; | |
139 | int period = wl->conf.rx_streaming.interval; | |
140 | ||
141 | /* don't reconfigure if rx_streaming is disabled */ | |
0744bdb6 | 142 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
77ddaa10 EP |
143 | goto out; |
144 | ||
145 | /* reconfigure/disable according to new streaming_period */ | |
146 | if (period && | |
ba8447f6 | 147 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && |
77ddaa10 EP |
148 | (wl->conf.rx_streaming.always || |
149 | test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
9eb599e9 | 150 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
77ddaa10 | 151 | else { |
9eb599e9 | 152 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
77ddaa10 | 153 | /* don't cancel_work_sync since we might deadlock */ |
9eb599e9 | 154 | del_timer_sync(&wlvif->rx_streaming_timer); |
77ddaa10 EP |
155 | } |
156 | out: | |
157 | return ret; | |
158 | } | |
159 | ||
160 | static void wl1271_rx_streaming_enable_work(struct work_struct *work) | |
161 | { | |
162 | int ret; | |
9eb599e9 EP |
163 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
164 | rx_streaming_enable_work); | |
165 | struct wl1271 *wl = wlvif->wl; | |
77ddaa10 EP |
166 | |
167 | mutex_lock(&wl->mutex); | |
168 | ||
0744bdb6 | 169 | if (test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags) || |
ba8447f6 | 170 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) || |
77ddaa10 EP |
171 | (!wl->conf.rx_streaming.always && |
172 | !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) | |
173 | goto out; | |
174 | ||
175 | if (!wl->conf.rx_streaming.interval) | |
176 | goto out; | |
177 | ||
178 | ret = wl1271_ps_elp_wakeup(wl); | |
179 | if (ret < 0) | |
180 | goto out; | |
181 | ||
9eb599e9 | 182 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
77ddaa10 EP |
183 | if (ret < 0) |
184 | goto out_sleep; | |
185 | ||
186 | /* stop it after some time of inactivity */ | |
9eb599e9 | 187 | mod_timer(&wlvif->rx_streaming_timer, |
77ddaa10 EP |
188 | jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); |
189 | ||
190 | out_sleep: | |
191 | wl1271_ps_elp_sleep(wl); | |
192 | out: | |
193 | mutex_unlock(&wl->mutex); | |
194 | } | |
195 | ||
196 | static void wl1271_rx_streaming_disable_work(struct work_struct *work) | |
197 | { | |
198 | int ret; | |
9eb599e9 EP |
199 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
200 | rx_streaming_disable_work); | |
201 | struct wl1271 *wl = wlvif->wl; | |
77ddaa10 EP |
202 | |
203 | mutex_lock(&wl->mutex); | |
204 | ||
0744bdb6 | 205 | if (!test_bit(WLVIF_FLAG_RX_STREAMING_STARTED, &wlvif->flags)) |
77ddaa10 EP |
206 | goto out; |
207 | ||
208 | ret = wl1271_ps_elp_wakeup(wl); | |
209 | if (ret < 0) | |
210 | goto out; | |
211 | ||
9eb599e9 | 212 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
77ddaa10 EP |
213 | if (ret) |
214 | goto out_sleep; | |
215 | ||
216 | out_sleep: | |
217 | wl1271_ps_elp_sleep(wl); | |
218 | out: | |
219 | mutex_unlock(&wl->mutex); | |
220 | } | |
221 | ||
222 | static void wl1271_rx_streaming_timer(unsigned long data) | |
223 | { | |
9eb599e9 EP |
224 | struct wl12xx_vif *wlvif = (struct wl12xx_vif *)data; |
225 | struct wl1271 *wl = wlvif->wl; | |
226 | ieee80211_queue_work(wl->hw, &wlvif->rx_streaming_disable_work); | |
77ddaa10 EP |
227 | } |
228 | ||
55df5afb AN |
229 | /* wl->mutex must be taken */ |
230 | void wl12xx_rearm_tx_watchdog_locked(struct wl1271 *wl) | |
231 | { | |
232 | /* if the watchdog is not armed, don't do anything */ | |
233 | if (wl->tx_allocated_blocks == 0) | |
234 | return; | |
235 | ||
236 | cancel_delayed_work(&wl->tx_watchdog_work); | |
237 | ieee80211_queue_delayed_work(wl->hw, &wl->tx_watchdog_work, | |
238 | msecs_to_jiffies(wl->conf.tx.tx_watchdog_timeout)); | |
239 | } | |
240 | ||
241 | static void wl12xx_tx_watchdog_work(struct work_struct *work) | |
242 | { | |
243 | struct delayed_work *dwork; | |
244 | struct wl1271 *wl; | |
245 | ||
246 | dwork = container_of(work, struct delayed_work, work); | |
247 | wl = container_of(dwork, struct wl1271, tx_watchdog_work); | |
248 | ||
249 | mutex_lock(&wl->mutex); | |
250 | ||
251 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
252 | goto out; | |
253 | ||
254 | /* Tx went out in the meantime - everything is ok */ | |
255 | if (unlikely(wl->tx_allocated_blocks == 0)) | |
256 | goto out; | |
257 | ||
258 | /* | |
259 | * if a ROC is in progress, we might not have any Tx for a long | |
260 | * time (e.g. pending Tx on the non-ROC channels) | |
261 | */ | |
262 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { | |
263 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to ROC", | |
264 | wl->conf.tx.tx_watchdog_timeout); | |
265 | wl12xx_rearm_tx_watchdog_locked(wl); | |
266 | goto out; | |
267 | } | |
268 | ||
269 | /* | |
270 | * if a scan is in progress, we might not have any Tx for a long | |
271 | * time | |
272 | */ | |
273 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { | |
274 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms due to scan", | |
275 | wl->conf.tx.tx_watchdog_timeout); | |
276 | wl12xx_rearm_tx_watchdog_locked(wl); | |
277 | goto out; | |
278 | } | |
279 | ||
280 | /* | |
281 | * AP might cache a frame for a long time for a sleeping station, | |
282 | * so rearm the timer if there's an AP interface with stations. If | |
283 | * Tx is genuinely stuck we will most hopefully discover it when all | |
284 | * stations are removed due to inactivity. | |
285 | */ | |
286 | if (wl->active_sta_count) { | |
287 | wl1271_debug(DEBUG_TX, "No Tx (in FW) for %d ms. AP has " | |
288 | " %d stations", | |
289 | wl->conf.tx.tx_watchdog_timeout, | |
290 | wl->active_sta_count); | |
291 | wl12xx_rearm_tx_watchdog_locked(wl); | |
292 | goto out; | |
293 | } | |
294 | ||
295 | wl1271_error("Tx stuck (in FW) for %d ms. Starting recovery", | |
296 | wl->conf.tx.tx_watchdog_timeout); | |
297 | wl12xx_queue_recovery_work(wl); | |
298 | ||
299 | out: | |
300 | mutex_unlock(&wl->mutex); | |
301 | } | |
302 | ||
e87288f0 | 303 | static void wlcore_adjust_conf(struct wl1271 *wl) |
8a08048a | 304 | { |
95dac04f IY |
305 | /* Adjust settings according to optional module parameters */ |
306 | if (fwlog_param) { | |
307 | if (!strcmp(fwlog_param, "continuous")) { | |
308 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; | |
309 | } else if (!strcmp(fwlog_param, "ondemand")) { | |
310 | wl->conf.fwlog.mode = WL12XX_FWLOG_ON_DEMAND; | |
311 | } else if (!strcmp(fwlog_param, "dbgpins")) { | |
312 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; | |
313 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_DBG_PINS; | |
314 | } else if (!strcmp(fwlog_param, "disable")) { | |
315 | wl->conf.fwlog.mem_blocks = 0; | |
316 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_NONE; | |
317 | } else { | |
318 | wl1271_error("Unknown fwlog parameter %s", fwlog_param); | |
319 | } | |
320 | } | |
321 | } | |
2b60100b | 322 | |
6e8cd331 EP |
323 | static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, |
324 | struct wl12xx_vif *wlvif, | |
325 | u8 hlid, u8 tx_pkts) | |
b622d992 | 326 | { |
da03209e | 327 | bool fw_ps, single_sta; |
b622d992 | 328 | |
b622d992 | 329 | fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
da03209e | 330 | single_sta = (wl->active_sta_count == 1); |
b622d992 AN |
331 | |
332 | /* | |
333 | * Wake up from high level PS if the STA is asleep with too little | |
9b17f1b3 | 334 | * packets in FW or if the STA is awake. |
b622d992 | 335 | */ |
9b17f1b3 | 336 | if (!fw_ps || tx_pkts < WL1271_PS_STA_MAX_PACKETS) |
6e8cd331 | 337 | wl12xx_ps_link_end(wl, wlvif, hlid); |
b622d992 | 338 | |
da03209e AN |
339 | /* |
340 | * Start high-level PS if the STA is asleep with enough blocks in FW. | |
341 | * Make an exception if this is the only connected station. In this | |
342 | * case FW-memory congestion is not a problem. | |
343 | */ | |
344 | else if (!single_sta && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) | |
6e8cd331 | 345 | wl12xx_ps_link_start(wl, wlvif, hlid, true); |
b622d992 AN |
346 | } |
347 | ||
9b17f1b3 | 348 | static void wl12xx_irq_update_links_status(struct wl1271 *wl, |
c7ffb902 | 349 | struct wl12xx_vif *wlvif, |
0afd04e5 | 350 | struct wl_fw_status_2 *status) |
b622d992 | 351 | { |
c7ffb902 | 352 | struct wl1271_link *lnk; |
b622d992 | 353 | u32 cur_fw_ps_map; |
9b17f1b3 AN |
354 | u8 hlid, cnt; |
355 | ||
356 | /* TODO: also use link_fast_bitmap here */ | |
b622d992 AN |
357 | |
358 | cur_fw_ps_map = le32_to_cpu(status->link_ps_bitmap); | |
359 | if (wl->ap_fw_ps_map != cur_fw_ps_map) { | |
360 | wl1271_debug(DEBUG_PSM, | |
361 | "link ps prev 0x%x cur 0x%x changed 0x%x", | |
362 | wl->ap_fw_ps_map, cur_fw_ps_map, | |
363 | wl->ap_fw_ps_map ^ cur_fw_ps_map); | |
364 | ||
365 | wl->ap_fw_ps_map = cur_fw_ps_map; | |
366 | } | |
367 | ||
c7ffb902 EP |
368 | for_each_set_bit(hlid, wlvif->ap.sta_hlid_map, WL12XX_MAX_LINKS) { |
369 | lnk = &wl->links[hlid]; | |
6bac40a6 AN |
370 | cnt = status->counters.tx_lnk_free_pkts[hlid] - |
371 | lnk->prev_freed_pkts; | |
b622d992 | 372 | |
6bac40a6 | 373 | lnk->prev_freed_pkts = status->counters.tx_lnk_free_pkts[hlid]; |
c7ffb902 | 374 | lnk->allocated_pkts -= cnt; |
9b17f1b3 | 375 | |
6e8cd331 EP |
376 | wl12xx_irq_ps_regulate_link(wl, wlvif, hlid, |
377 | lnk->allocated_pkts); | |
b622d992 AN |
378 | } |
379 | } | |
380 | ||
4d56ad9c | 381 | static void wl12xx_fw_status(struct wl1271 *wl, |
0afd04e5 AN |
382 | struct wl_fw_status_1 *status_1, |
383 | struct wl_fw_status_2 *status_2) | |
f5fc0f86 | 384 | { |
6e8cd331 | 385 | struct wl12xx_vif *wlvif; |
ac5e1e39 | 386 | struct timespec ts; |
13b107dd | 387 | u32 old_tx_blk_count = wl->tx_blocks_available; |
4d56ad9c | 388 | int avail, freed_blocks; |
bf54e301 | 389 | int i; |
6bac40a6 AN |
390 | size_t status_len; |
391 | ||
0afd04e5 AN |
392 | status_len = WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) + |
393 | sizeof(*status_2) + wl->fw_status_priv_len; | |
f5fc0f86 | 394 | |
0afd04e5 | 395 | wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, status_1, |
6bac40a6 | 396 | status_len, false); |
13b107dd | 397 | |
f5fc0f86 LC |
398 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
399 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
0afd04e5 AN |
400 | status_1->intr, |
401 | status_1->fw_rx_counter, | |
402 | status_1->drv_rx_counter, | |
403 | status_1->tx_results_counter); | |
f5fc0f86 | 404 | |
bf54e301 AN |
405 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
406 | /* prevent wrap-around in freed-packets counter */ | |
742246f8 | 407 | wl->tx_allocated_pkts[i] -= |
0afd04e5 | 408 | (status_2->counters.tx_released_pkts[i] - |
bf54e301 AN |
409 | wl->tx_pkts_freed[i]) & 0xff; |
410 | ||
0afd04e5 | 411 | wl->tx_pkts_freed[i] = status_2->counters.tx_released_pkts[i]; |
bf54e301 AN |
412 | } |
413 | ||
bdf91cfa AN |
414 | /* prevent wrap-around in total blocks counter */ |
415 | if (likely(wl->tx_blocks_freed <= | |
0afd04e5 AN |
416 | le32_to_cpu(status_2->total_released_blks))) |
417 | freed_blocks = le32_to_cpu(status_2->total_released_blks) - | |
bdf91cfa AN |
418 | wl->tx_blocks_freed; |
419 | else | |
420 | freed_blocks = 0x100000000LL - wl->tx_blocks_freed + | |
0afd04e5 | 421 | le32_to_cpu(status_2->total_released_blks); |
bdf91cfa | 422 | |
0afd04e5 | 423 | wl->tx_blocks_freed = le32_to_cpu(status_2->total_released_blks); |
13b107dd | 424 | |
7bb5d6ce AN |
425 | wl->tx_allocated_blocks -= freed_blocks; |
426 | ||
55df5afb AN |
427 | /* |
428 | * If the FW freed some blocks: | |
429 | * If we still have allocated blocks - re-arm the timer, Tx is | |
430 | * not stuck. Otherwise, cancel the timer (no Tx currently). | |
431 | */ | |
432 | if (freed_blocks) { | |
433 | if (wl->tx_allocated_blocks) | |
434 | wl12xx_rearm_tx_watchdog_locked(wl); | |
435 | else | |
436 | cancel_delayed_work(&wl->tx_watchdog_work); | |
437 | } | |
438 | ||
0afd04e5 | 439 | avail = le32_to_cpu(status_2->tx_total) - wl->tx_allocated_blocks; |
13b107dd | 440 | |
4d56ad9c EP |
441 | /* |
442 | * The FW might change the total number of TX memblocks before | |
443 | * we get a notification about blocks being released. Thus, the | |
444 | * available blocks calculation might yield a temporary result | |
445 | * which is lower than the actual available blocks. Keeping in | |
446 | * mind that only blocks that were allocated can be moved from | |
447 | * TX to RX, tx_blocks_available should never decrease here. | |
448 | */ | |
449 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, | |
450 | avail); | |
f5fc0f86 | 451 | |
a522550a | 452 | /* if more blocks are available now, tx work can be scheduled */ |
13b107dd | 453 | if (wl->tx_blocks_available > old_tx_blk_count) |
a522550a | 454 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
f5fc0f86 | 455 | |
4d56ad9c | 456 | /* for AP update num of allocated TX blocks per link and ps status */ |
6e8cd331 | 457 | wl12xx_for_each_wlvif_ap(wl, wlvif) { |
0afd04e5 | 458 | wl12xx_irq_update_links_status(wl, wlvif, status_2); |
6e8cd331 | 459 | } |
4d56ad9c | 460 | |
f5fc0f86 | 461 | /* update the host-chipset time offset */ |
ac5e1e39 JO |
462 | getnstimeofday(&ts); |
463 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - | |
0afd04e5 | 464 | (s64)le32_to_cpu(status_2->fw_localtime); |
f5fc0f86 LC |
465 | } |
466 | ||
a620865e IY |
467 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
468 | { | |
469 | struct sk_buff *skb; | |
470 | ||
471 | /* Pass all received frames to the network stack */ | |
472 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) | |
473 | ieee80211_rx_ni(wl->hw, skb); | |
474 | ||
475 | /* Return sent skbs to the network stack */ | |
476 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) | |
c27d3acc | 477 | ieee80211_tx_status_ni(wl->hw, skb); |
a620865e IY |
478 | } |
479 | ||
480 | static void wl1271_netstack_work(struct work_struct *work) | |
481 | { | |
482 | struct wl1271 *wl = | |
483 | container_of(work, struct wl1271, netstack_work); | |
484 | ||
485 | do { | |
486 | wl1271_flush_deferred_work(wl); | |
487 | } while (skb_queue_len(&wl->deferred_rx_queue)); | |
488 | } | |
1e73eb62 | 489 | |
a620865e IY |
490 | #define WL1271_IRQ_MAX_LOOPS 256 |
491 | ||
4b32a2c9 | 492 | static irqreturn_t wl1271_irq(int irq, void *cookie) |
f5fc0f86 | 493 | { |
f5fc0f86 | 494 | int ret; |
c15f63bf | 495 | u32 intr; |
1e73eb62 | 496 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
a620865e IY |
497 | struct wl1271 *wl = (struct wl1271 *)cookie; |
498 | bool done = false; | |
499 | unsigned int defer_count; | |
b07d4037 IY |
500 | unsigned long flags; |
501 | ||
502 | /* TX might be handled here, avoid redundant work */ | |
503 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
504 | cancel_work_sync(&wl->tx_work); | |
f5fc0f86 | 505 | |
341b7cde IY |
506 | /* |
507 | * In case edge triggered interrupt must be used, we cannot iterate | |
508 | * more than once without introducing race conditions with the hardirq. | |
509 | */ | |
510 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) | |
511 | loopcount = 1; | |
512 | ||
f5fc0f86 LC |
513 | mutex_lock(&wl->mutex); |
514 | ||
515 | wl1271_debug(DEBUG_IRQ, "IRQ work"); | |
516 | ||
1e73eb62 | 517 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
f5fc0f86 LC |
518 | goto out; |
519 | ||
a620865e | 520 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
521 | if (ret < 0) |
522 | goto out; | |
523 | ||
a620865e IY |
524 | while (!done && loopcount--) { |
525 | /* | |
526 | * In order to avoid a race with the hardirq, clear the flag | |
527 | * before acknowledging the chip. Since the mutex is held, | |
528 | * wl1271_ps_elp_wakeup cannot be called concurrently. | |
529 | */ | |
530 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
531 | smp_mb__after_clear_bit(); | |
1e73eb62 | 532 | |
0afd04e5 | 533 | wl12xx_fw_status(wl, wl->fw_status_1, wl->fw_status_2); |
53d67a50 AN |
534 | |
535 | wlcore_hw_tx_immediate_compl(wl); | |
536 | ||
0afd04e5 | 537 | intr = le32_to_cpu(wl->fw_status_1->intr); |
a620865e | 538 | intr &= WL1271_INTR_MASK; |
1e73eb62 | 539 | if (!intr) { |
a620865e | 540 | done = true; |
1e73eb62 JO |
541 | continue; |
542 | } | |
f5fc0f86 | 543 | |
ccc83b04 EP |
544 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
545 | wl1271_error("watchdog interrupt received! " | |
546 | "starting recovery."); | |
baacb9ae | 547 | wl12xx_queue_recovery_work(wl); |
ccc83b04 EP |
548 | |
549 | /* restarting the chip. ignore any other interrupt. */ | |
550 | goto out; | |
551 | } | |
552 | ||
a620865e | 553 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
1e73eb62 | 554 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
1fd2794f | 555 | |
0afd04e5 | 556 | wl12xx_rx(wl, wl->fw_status_1); |
f5fc0f86 | 557 | |
a522550a | 558 | /* Check if any tx blocks were freed */ |
b07d4037 | 559 | spin_lock_irqsave(&wl->wl_lock, flags); |
a522550a | 560 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
f1a46384 | 561 | wl1271_tx_total_queue_count(wl) > 0) { |
b07d4037 | 562 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
a522550a IY |
563 | /* |
564 | * In order to avoid starvation of the TX path, | |
565 | * call the work function directly. | |
566 | */ | |
a32d0cdf | 567 | wl1271_tx_work_locked(wl); |
b07d4037 IY |
568 | } else { |
569 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
a522550a IY |
570 | } |
571 | ||
8aad2464 | 572 | /* check for tx results */ |
53d67a50 | 573 | wlcore_hw_tx_delayed_compl(wl); |
a620865e IY |
574 | |
575 | /* Make sure the deferred queues don't get too long */ | |
576 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + | |
577 | skb_queue_len(&wl->deferred_rx_queue); | |
578 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) | |
579 | wl1271_flush_deferred_work(wl); | |
1e73eb62 | 580 | } |
f5fc0f86 | 581 | |
1e73eb62 JO |
582 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
583 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
584 | wl1271_event_handle(wl, 0); | |
585 | } | |
f5fc0f86 | 586 | |
1e73eb62 JO |
587 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
588 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
589 | wl1271_event_handle(wl, 1); | |
590 | } | |
f5fc0f86 | 591 | |
1e73eb62 JO |
592 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
593 | wl1271_debug(DEBUG_IRQ, | |
594 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 595 | |
1e73eb62 JO |
596 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
597 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
c15f63bf | 598 | } |
f5fc0f86 | 599 | |
f5fc0f86 LC |
600 | wl1271_ps_elp_sleep(wl); |
601 | ||
602 | out: | |
b07d4037 IY |
603 | spin_lock_irqsave(&wl->wl_lock, flags); |
604 | /* In case TX was not handled here, queue TX work */ | |
605 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); | |
606 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && | |
f1a46384 | 607 | wl1271_tx_total_queue_count(wl) > 0) |
b07d4037 IY |
608 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
609 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
610 | ||
f5fc0f86 | 611 | mutex_unlock(&wl->mutex); |
a620865e IY |
612 | |
613 | return IRQ_HANDLED; | |
f5fc0f86 LC |
614 | } |
615 | ||
4549d09c EP |
616 | struct vif_counter_data { |
617 | u8 counter; | |
618 | ||
619 | struct ieee80211_vif *cur_vif; | |
620 | bool cur_vif_running; | |
621 | }; | |
622 | ||
623 | static void wl12xx_vif_count_iter(void *data, u8 *mac, | |
624 | struct ieee80211_vif *vif) | |
625 | { | |
626 | struct vif_counter_data *counter = data; | |
627 | ||
628 | counter->counter++; | |
629 | if (counter->cur_vif == vif) | |
630 | counter->cur_vif_running = true; | |
631 | } | |
632 | ||
633 | /* caller must not hold wl->mutex, as it might deadlock */ | |
634 | static void wl12xx_get_vif_count(struct ieee80211_hw *hw, | |
635 | struct ieee80211_vif *cur_vif, | |
636 | struct vif_counter_data *data) | |
637 | { | |
638 | memset(data, 0, sizeof(*data)); | |
639 | data->cur_vif = cur_vif; | |
640 | ||
641 | ieee80211_iterate_active_interfaces(hw, | |
642 | wl12xx_vif_count_iter, data); | |
643 | } | |
644 | ||
3fcdab70 | 645 | static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt) |
f5fc0f86 LC |
646 | { |
647 | const struct firmware *fw; | |
166d504e | 648 | const char *fw_name; |
3fcdab70 | 649 | enum wl12xx_fw_type fw_type; |
f5fc0f86 LC |
650 | int ret; |
651 | ||
3fcdab70 EP |
652 | if (plt) { |
653 | fw_type = WL12XX_FW_TYPE_PLT; | |
6f7dd16c | 654 | fw_name = wl->plt_fw_name; |
3fcdab70 | 655 | } else { |
4549d09c EP |
656 | /* |
657 | * we can't call wl12xx_get_vif_count() here because | |
658 | * wl->mutex is taken, so use the cached last_vif_count value | |
659 | */ | |
660 | if (wl->last_vif_count > 1) { | |
661 | fw_type = WL12XX_FW_TYPE_MULTI; | |
6f7dd16c | 662 | fw_name = wl->mr_fw_name; |
4549d09c EP |
663 | } else { |
664 | fw_type = WL12XX_FW_TYPE_NORMAL; | |
6f7dd16c | 665 | fw_name = wl->sr_fw_name; |
4549d09c | 666 | } |
3fcdab70 EP |
667 | } |
668 | ||
669 | if (wl->fw_type == fw_type) | |
670 | return 0; | |
166d504e AN |
671 | |
672 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); | |
673 | ||
a390e85c | 674 | ret = request_firmware(&fw, fw_name, wl->dev); |
f5fc0f86 LC |
675 | |
676 | if (ret < 0) { | |
35898935 | 677 | wl1271_error("could not get firmware %s: %d", fw_name, ret); |
f5fc0f86 LC |
678 | return ret; |
679 | } | |
680 | ||
681 | if (fw->size % 4) { | |
682 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
683 | fw->size); | |
684 | ret = -EILSEQ; | |
685 | goto out; | |
686 | } | |
687 | ||
166d504e | 688 | vfree(wl->fw); |
3fcdab70 | 689 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
f5fc0f86 | 690 | wl->fw_len = fw->size; |
1fba4974 | 691 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
692 | |
693 | if (!wl->fw) { | |
694 | wl1271_error("could not allocate memory for the firmware"); | |
695 | ret = -ENOMEM; | |
696 | goto out; | |
697 | } | |
698 | ||
699 | memcpy(wl->fw, fw->data, wl->fw_len); | |
f5fc0f86 | 700 | ret = 0; |
3fcdab70 | 701 | wl->fw_type = fw_type; |
f5fc0f86 LC |
702 | out: |
703 | release_firmware(fw); | |
704 | ||
705 | return ret; | |
706 | } | |
707 | ||
708 | static int wl1271_fetch_nvs(struct wl1271 *wl) | |
709 | { | |
710 | const struct firmware *fw; | |
711 | int ret; | |
712 | ||
a390e85c | 713 | ret = request_firmware(&fw, WL12XX_NVS_NAME, wl->dev); |
f5fc0f86 LC |
714 | |
715 | if (ret < 0) { | |
35898935 PF |
716 | wl1271_error("could not get nvs file %s: %d", WL12XX_NVS_NAME, |
717 | ret); | |
f5fc0f86 LC |
718 | return ret; |
719 | } | |
720 | ||
bc765bf3 | 721 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); |
f5fc0f86 LC |
722 | |
723 | if (!wl->nvs) { | |
724 | wl1271_error("could not allocate memory for the nvs file"); | |
725 | ret = -ENOMEM; | |
726 | goto out; | |
727 | } | |
728 | ||
02fabb0e JO |
729 | wl->nvs_len = fw->size; |
730 | ||
f5fc0f86 LC |
731 | out: |
732 | release_firmware(fw); | |
733 | ||
734 | return ret; | |
735 | } | |
736 | ||
baacb9ae IY |
737 | void wl12xx_queue_recovery_work(struct wl1271 *wl) |
738 | { | |
739 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) | |
740 | ieee80211_queue_work(wl->hw, &wl->recovery_work); | |
741 | } | |
742 | ||
95dac04f IY |
743 | size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) |
744 | { | |
745 | size_t len = 0; | |
746 | ||
747 | /* The FW log is a length-value list, find where the log end */ | |
748 | while (len < maxlen) { | |
749 | if (memblock[len] == 0) | |
750 | break; | |
751 | if (len + memblock[len] + 1 > maxlen) | |
752 | break; | |
753 | len += memblock[len] + 1; | |
754 | } | |
755 | ||
756 | /* Make sure we have enough room */ | |
757 | len = min(len, (size_t)(PAGE_SIZE - wl->fwlog_size)); | |
758 | ||
759 | /* Fill the FW log file, consumed by the sysfs fwlog entry */ | |
760 | memcpy(wl->fwlog + wl->fwlog_size, memblock, len); | |
761 | wl->fwlog_size += len; | |
762 | ||
763 | return len; | |
764 | } | |
765 | ||
766 | static void wl12xx_read_fwlog_panic(struct wl1271 *wl) | |
767 | { | |
768 | u32 addr; | |
769 | u32 first_addr; | |
770 | u8 *block; | |
771 | ||
6f7dd16c | 772 | if ((wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) || |
95dac04f IY |
773 | (wl->conf.fwlog.mode != WL12XX_FWLOG_ON_DEMAND) || |
774 | (wl->conf.fwlog.mem_blocks == 0)) | |
775 | return; | |
776 | ||
777 | wl1271_info("Reading FW panic log"); | |
778 | ||
779 | block = kmalloc(WL12XX_HW_BLOCK_SIZE, GFP_KERNEL); | |
780 | if (!block) | |
781 | return; | |
782 | ||
783 | /* | |
784 | * Make sure the chip is awake and the logger isn't active. | |
785 | * This might fail if the firmware hanged. | |
786 | */ | |
787 | if (!wl1271_ps_elp_wakeup(wl)) | |
788 | wl12xx_cmd_stop_fwlog(wl); | |
789 | ||
790 | /* Read the first memory block address */ | |
0afd04e5 AN |
791 | wl12xx_fw_status(wl, wl->fw_status_1, wl->fw_status_2); |
792 | first_addr = le32_to_cpu(wl->fw_status_2->log_start_addr); | |
95dac04f IY |
793 | if (!first_addr) |
794 | goto out; | |
795 | ||
796 | /* Traverse the memory blocks linked list */ | |
797 | addr = first_addr; | |
798 | do { | |
799 | memset(block, 0, WL12XX_HW_BLOCK_SIZE); | |
800 | wl1271_read_hwaddr(wl, addr, block, WL12XX_HW_BLOCK_SIZE, | |
801 | false); | |
802 | ||
803 | /* | |
804 | * Memory blocks are linked to one another. The first 4 bytes | |
805 | * of each memory block hold the hardware address of the next | |
806 | * one. The last memory block points to the first one. | |
807 | */ | |
4d56ad9c | 808 | addr = le32_to_cpup((__le32 *)block); |
95dac04f IY |
809 | if (!wl12xx_copy_fwlog(wl, block + sizeof(addr), |
810 | WL12XX_HW_BLOCK_SIZE - sizeof(addr))) | |
811 | break; | |
812 | } while (addr && (addr != first_addr)); | |
813 | ||
814 | wake_up_interruptible(&wl->fwlog_waitq); | |
815 | ||
816 | out: | |
817 | kfree(block); | |
818 | } | |
819 | ||
52b0e7a6 JO |
820 | static void wl1271_recovery_work(struct work_struct *work) |
821 | { | |
822 | struct wl1271 *wl = | |
823 | container_of(work, struct wl1271, recovery_work); | |
48e93e40 | 824 | struct wl12xx_vif *wlvif; |
6e8cd331 | 825 | struct ieee80211_vif *vif; |
52b0e7a6 JO |
826 | |
827 | mutex_lock(&wl->mutex); | |
828 | ||
3fcdab70 | 829 | if (wl->state != WL1271_STATE_ON || wl->plt) |
f0277434 | 830 | goto out_unlock; |
52b0e7a6 | 831 | |
baacb9ae IY |
832 | /* Avoid a recursive recovery */ |
833 | set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); | |
834 | ||
95dac04f IY |
835 | wl12xx_read_fwlog_panic(wl); |
836 | ||
1c351da6 AN |
837 | /* change partitions momentarily so we can read the FW pc */ |
838 | wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); | |
06bba80e LC |
839 | wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x " |
840 | "hint_sts: 0x%08x", | |
00782136 | 841 | wl->chip.fw_ver_str, |
06bba80e LC |
842 | wlcore_read_reg(wl, REG_PC_ON_RECOVERY), |
843 | wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR)); | |
1c351da6 | 844 | wlcore_set_partition(wl, &wl->ptable[PART_WORK]); |
52b0e7a6 | 845 | |
e9ba7152 EP |
846 | BUG_ON(bug_on_recovery && |
847 | !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)); | |
2a5bff09 | 848 | |
34785be5 AN |
849 | if (no_recovery) { |
850 | wl1271_info("No recovery (chosen on module load). Fw will remain stuck."); | |
851 | clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); | |
852 | goto out_unlock; | |
853 | } | |
854 | ||
855 | BUG_ON(bug_on_recovery); | |
856 | ||
b992c682 OK |
857 | /* |
858 | * Advance security sequence number to overcome potential progress | |
859 | * in the firmware during recovery. This doens't hurt if the network is | |
860 | * not encrypted. | |
861 | */ | |
48e93e40 | 862 | wl12xx_for_each_wlvif(wl, wlvif) { |
ba8447f6 | 863 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) || |
53d40d0b | 864 | test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) |
48e93e40 EP |
865 | wlvif->tx_security_seq += |
866 | WL1271_TX_SQN_POST_RECOVERY_PADDING; | |
867 | } | |
b992c682 | 868 | |
7dece1c8 AN |
869 | /* Prevent spurious TX during FW restart */ |
870 | ieee80211_stop_queues(wl->hw); | |
871 | ||
33c2c06c LC |
872 | if (wl->sched_scanning) { |
873 | ieee80211_sched_scan_stopped(wl->hw); | |
874 | wl->sched_scanning = false; | |
875 | } | |
876 | ||
52b0e7a6 | 877 | /* reboot the chipset */ |
6e8cd331 EP |
878 | while (!list_empty(&wl->wlvif_list)) { |
879 | wlvif = list_first_entry(&wl->wlvif_list, | |
880 | struct wl12xx_vif, list); | |
881 | vif = wl12xx_wlvif_to_vif(wlvif); | |
882 | __wl1271_op_remove_interface(wl, vif, false); | |
883 | } | |
f0277434 EP |
884 | mutex_unlock(&wl->mutex); |
885 | wl1271_op_stop(wl->hw); | |
baacb9ae IY |
886 | |
887 | clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); | |
888 | ||
52b0e7a6 JO |
889 | ieee80211_restart_hw(wl->hw); |
890 | ||
7dece1c8 AN |
891 | /* |
892 | * Its safe to enable TX now - the queues are stopped after a request | |
893 | * to restart the HW. | |
894 | */ | |
895 | ieee80211_wake_queues(wl->hw); | |
f0277434 EP |
896 | return; |
897 | out_unlock: | |
52b0e7a6 JO |
898 | mutex_unlock(&wl->mutex); |
899 | } | |
900 | ||
f5fc0f86 LC |
901 | static void wl1271_fw_wakeup(struct wl1271 *wl) |
902 | { | |
00782136 | 903 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG, ELPCTRL_WAKE_UP); |
f5fc0f86 LC |
904 | } |
905 | ||
906 | static int wl1271_setup(struct wl1271 *wl) | |
907 | { | |
0afd04e5 | 908 | wl->fw_status_1 = kmalloc(WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) + |
4f64a1e9 LC |
909 | sizeof(*wl->fw_status_2) + |
910 | wl->fw_status_priv_len, GFP_KERNEL); | |
0afd04e5 | 911 | if (!wl->fw_status_1) |
f5fc0f86 LC |
912 | return -ENOMEM; |
913 | ||
0afd04e5 AN |
914 | wl->fw_status_2 = (struct wl_fw_status_2 *) |
915 | (((u8 *) wl->fw_status_1) + | |
916 | WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc)); | |
917 | ||
f5fc0f86 LC |
918 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); |
919 | if (!wl->tx_res_if) { | |
0afd04e5 | 920 | kfree(wl->fw_status_1); |
f5fc0f86 LC |
921 | return -ENOMEM; |
922 | } | |
923 | ||
f5fc0f86 LC |
924 | return 0; |
925 | } | |
926 | ||
30c5dbd1 | 927 | static int wl12xx_set_power_on(struct wl1271 *wl) |
f5fc0f86 | 928 | { |
30c5dbd1 | 929 | int ret; |
f5fc0f86 | 930 | |
01ac17ec | 931 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
2cc78ff7 OBC |
932 | ret = wl1271_power_on(wl); |
933 | if (ret < 0) | |
934 | goto out; | |
f5fc0f86 | 935 | msleep(WL1271_POWER_ON_SLEEP); |
9b280722 TP |
936 | wl1271_io_reset(wl); |
937 | wl1271_io_init(wl); | |
f5fc0f86 | 938 | |
00782136 | 939 | wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); |
f5fc0f86 LC |
940 | |
941 | /* ELP module wake up */ | |
942 | wl1271_fw_wakeup(wl); | |
943 | ||
30c5dbd1 LC |
944 | out: |
945 | return ret; | |
946 | } | |
f5fc0f86 | 947 | |
3fcdab70 | 948 | static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) |
30c5dbd1 LC |
949 | { |
950 | int ret = 0; | |
951 | ||
952 | ret = wl12xx_set_power_on(wl); | |
953 | if (ret < 0) | |
954 | goto out; | |
f5fc0f86 | 955 | |
e62c9ce4 LC |
956 | /* |
957 | * For wl127x based devices we could use the default block | |
958 | * size (512 bytes), but due to a bug in the sdio driver, we | |
959 | * need to set it explicitly after the chip is powered on. To | |
960 | * simplify the code and since the performance impact is | |
961 | * negligible, we use the same block size for all different | |
962 | * chip types. | |
b5d6d9b2 LC |
963 | * |
964 | * Check if the bus supports blocksize alignment and, if it | |
965 | * doesn't, make sure we don't have the quirk. | |
e62c9ce4 | 966 | */ |
b5d6d9b2 LC |
967 | if (!wl1271_set_block_size(wl)) |
968 | wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; | |
f5fc0f86 | 969 | |
6f7dd16c | 970 | /* TODO: make sure the lower driver has set things up correctly */ |
0830ceed | 971 | |
6f7dd16c LC |
972 | ret = wl1271_setup(wl); |
973 | if (ret < 0) | |
9ccd9217 | 974 | goto out; |
f5fc0f86 | 975 | |
3fcdab70 EP |
976 | ret = wl12xx_fetch_firmware(wl, plt); |
977 | if (ret < 0) | |
978 | goto out; | |
f5fc0f86 LC |
979 | |
980 | /* No NVS from netlink, try to get it from the filesystem */ | |
981 | if (wl->nvs == NULL) { | |
982 | ret = wl1271_fetch_nvs(wl); | |
983 | if (ret < 0) | |
9ccd9217 | 984 | goto out; |
f5fc0f86 LC |
985 | } |
986 | ||
987 | out: | |
988 | return ret; | |
989 | } | |
990 | ||
f5fc0f86 LC |
991 | int wl1271_plt_start(struct wl1271 *wl) |
992 | { | |
9ccd9217 | 993 | int retries = WL1271_BOOT_RETRIES; |
6f07b72a | 994 | struct wiphy *wiphy = wl->hw->wiphy; |
f5fc0f86 LC |
995 | int ret; |
996 | ||
997 | mutex_lock(&wl->mutex); | |
998 | ||
999 | wl1271_notice("power up"); | |
1000 | ||
1001 | if (wl->state != WL1271_STATE_OFF) { | |
1002 | wl1271_error("cannot go into PLT state because not " | |
1003 | "in off state: %d", wl->state); | |
1004 | ret = -EBUSY; | |
1005 | goto out; | |
1006 | } | |
1007 | ||
9ccd9217 JO |
1008 | while (retries) { |
1009 | retries--; | |
3fcdab70 | 1010 | ret = wl12xx_chip_wakeup(wl, true); |
9ccd9217 JO |
1011 | if (ret < 0) |
1012 | goto power_off; | |
f5fc0f86 | 1013 | |
c331b344 | 1014 | ret = wl->ops->plt_init(wl); |
9ccd9217 JO |
1015 | if (ret < 0) |
1016 | goto power_off; | |
eb5b28d0 | 1017 | |
3fcdab70 EP |
1018 | wl->plt = true; |
1019 | wl->state = WL1271_STATE_ON; | |
9ccd9217 | 1020 | wl1271_notice("firmware booted in PLT mode (%s)", |
4b7fac77 | 1021 | wl->chip.fw_ver_str); |
e7ddf549 | 1022 | |
6f07b72a GK |
1023 | /* update hw/fw version info in wiphy struct */ |
1024 | wiphy->hw_version = wl->chip.id; | |
1025 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, | |
1026 | sizeof(wiphy->fw_version)); | |
1027 | ||
9ccd9217 | 1028 | goto out; |
eb5b28d0 | 1029 | |
9ccd9217 JO |
1030 | power_off: |
1031 | wl1271_power_off(wl); | |
1032 | } | |
f5fc0f86 | 1033 | |
9ccd9217 JO |
1034 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
1035 | WL1271_BOOT_RETRIES); | |
f5fc0f86 LC |
1036 | out: |
1037 | mutex_unlock(&wl->mutex); | |
1038 | ||
1039 | return ret; | |
1040 | } | |
1041 | ||
f3df1331 | 1042 | int wl1271_plt_stop(struct wl1271 *wl) |
f5fc0f86 LC |
1043 | { |
1044 | int ret = 0; | |
1045 | ||
f5fc0f86 LC |
1046 | wl1271_notice("power down"); |
1047 | ||
46b0cc9f IY |
1048 | /* |
1049 | * Interrupts must be disabled before setting the state to OFF. | |
1050 | * Otherwise, the interrupt handler might be called and exit without | |
1051 | * reading the interrupt status. | |
1052 | */ | |
dd5512eb | 1053 | wlcore_disable_interrupts(wl); |
f3df1331 | 1054 | mutex_lock(&wl->mutex); |
3fcdab70 | 1055 | if (!wl->plt) { |
f3df1331 | 1056 | mutex_unlock(&wl->mutex); |
46b0cc9f IY |
1057 | |
1058 | /* | |
1059 | * This will not necessarily enable interrupts as interrupts | |
1060 | * may have been disabled when op_stop was called. It will, | |
1061 | * however, balance the above call to disable_interrupts(). | |
1062 | */ | |
dd5512eb | 1063 | wlcore_enable_interrupts(wl); |
46b0cc9f | 1064 | |
f5fc0f86 LC |
1065 | wl1271_error("cannot power down because not in PLT " |
1066 | "state: %d", wl->state); | |
1067 | ret = -EBUSY; | |
1068 | goto out; | |
1069 | } | |
1070 | ||
f5fc0f86 | 1071 | mutex_unlock(&wl->mutex); |
f3df1331 | 1072 | |
a620865e IY |
1073 | wl1271_flush_deferred_work(wl); |
1074 | cancel_work_sync(&wl->netstack_work); | |
52b0e7a6 | 1075 | cancel_work_sync(&wl->recovery_work); |
f6fbeccd | 1076 | cancel_delayed_work_sync(&wl->elp_work); |
55df5afb | 1077 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
5f561f68 | 1078 | cancel_delayed_work_sync(&wl->connection_loss_work); |
a454969e IY |
1079 | |
1080 | mutex_lock(&wl->mutex); | |
1081 | wl1271_power_off(wl); | |
f6fbeccd LC |
1082 | wl->flags = 0; |
1083 | wl->state = WL1271_STATE_OFF; | |
3fcdab70 | 1084 | wl->plt = false; |
f6fbeccd | 1085 | wl->rx_counter = 0; |
a454969e IY |
1086 | mutex_unlock(&wl->mutex); |
1087 | ||
4ae3fa87 JO |
1088 | out: |
1089 | return ret; | |
1090 | } | |
1091 | ||
7bb45683 | 1092 | static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
f5fc0f86 LC |
1093 | { |
1094 | struct wl1271 *wl = hw->priv; | |
a8ab39a4 EP |
1095 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
1096 | struct ieee80211_vif *vif = info->control.vif; | |
0f168014 | 1097 | struct wl12xx_vif *wlvif = NULL; |
830fb67b | 1098 | unsigned long flags; |
708bb3cf | 1099 | int q, mapping; |
d6a3cc2e | 1100 | u8 hlid; |
f5fc0f86 | 1101 | |
0f168014 EP |
1102 | if (vif) |
1103 | wlvif = wl12xx_vif_to_data(vif); | |
1104 | ||
708bb3cf AN |
1105 | mapping = skb_get_queue_mapping(skb); |
1106 | q = wl1271_tx_get_queue(mapping); | |
b07d4037 | 1107 | |
d6a3cc2e | 1108 | hlid = wl12xx_tx_get_hlid(wl, wlvif, skb); |
b07d4037 | 1109 | |
830fb67b | 1110 | spin_lock_irqsave(&wl->wl_lock, flags); |
b07d4037 | 1111 | |
830fb67b | 1112 | /* queue the packet */ |
d6a3cc2e | 1113 | if (hlid == WL12XX_INVALID_LINK_ID || |
0f168014 | 1114 | (wlvif && !test_bit(hlid, wlvif->links_map))) { |
d6a3cc2e | 1115 | wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", hlid, q); |
5de8eef4 | 1116 | ieee80211_free_txskb(hw, skb); |
d6a3cc2e | 1117 | goto out; |
a8c0ddb5 | 1118 | } |
f5fc0f86 | 1119 | |
8ccd16e6 EP |
1120 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d len %d", |
1121 | hlid, q, skb->len); | |
d6a3cc2e EP |
1122 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); |
1123 | ||
04b4d69c AN |
1124 | wl->tx_queue_count[q]++; |
1125 | ||
1126 | /* | |
1127 | * The workqueue is slow to process the tx_queue and we need stop | |
1128 | * the queue here, otherwise the queue will get too long. | |
1129 | */ | |
1130 | if (wl->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK) { | |
1131 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); | |
1132 | ieee80211_stop_queue(wl->hw, mapping); | |
1133 | set_bit(q, &wl->stopped_queues_map); | |
1134 | } | |
1135 | ||
f5fc0f86 LC |
1136 | /* |
1137 | * The chip specific setup must run before the first TX packet - | |
1138 | * before that, the tx_work will not be initialized! | |
1139 | */ | |
1140 | ||
b07d4037 IY |
1141 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
1142 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) | |
a522550a | 1143 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
b07d4037 | 1144 | |
04216da3 | 1145 | out: |
b07d4037 | 1146 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
f5fc0f86 LC |
1147 | } |
1148 | ||
ae47c45f SL |
1149 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
1150 | { | |
990f5de7 | 1151 | unsigned long flags; |
14623787 AN |
1152 | int q; |
1153 | ||
1154 | /* no need to queue a new dummy packet if one is already pending */ | |
1155 | if (test_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) | |
1156 | return 0; | |
1157 | ||
1158 | q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet)); | |
990f5de7 IY |
1159 | |
1160 | spin_lock_irqsave(&wl->wl_lock, flags); | |
1161 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); | |
f1a46384 | 1162 | wl->tx_queue_count[q]++; |
990f5de7 IY |
1163 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
1164 | ||
1165 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ | |
1166 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) | |
a32d0cdf | 1167 | wl1271_tx_work_locked(wl); |
990f5de7 IY |
1168 | |
1169 | /* | |
1170 | * If the FW TX is busy, TX work will be scheduled by the threaded | |
1171 | * interrupt handler function | |
1172 | */ | |
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | /* | |
1177 | * The size of the dummy packet should be at least 1400 bytes. However, in | |
1178 | * order to minimize the number of bus transactions, aligning it to 512 bytes | |
1179 | * boundaries could be beneficial, performance wise | |
1180 | */ | |
1181 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) | |
1182 | ||
cf27d867 | 1183 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
990f5de7 IY |
1184 | { |
1185 | struct sk_buff *skb; | |
ae47c45f | 1186 | struct ieee80211_hdr_3addr *hdr; |
990f5de7 IY |
1187 | unsigned int dummy_packet_size; |
1188 | ||
1189 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - | |
1190 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); | |
ae47c45f | 1191 | |
990f5de7 | 1192 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
ae47c45f | 1193 | if (!skb) { |
990f5de7 IY |
1194 | wl1271_warning("Failed to allocate a dummy packet skb"); |
1195 | return NULL; | |
ae47c45f SL |
1196 | } |
1197 | ||
1198 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); | |
1199 | ||
1200 | hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr)); | |
1201 | memset(hdr, 0, sizeof(*hdr)); | |
1202 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
990f5de7 IY |
1203 | IEEE80211_STYPE_NULLFUNC | |
1204 | IEEE80211_FCTL_TODS); | |
ae47c45f | 1205 | |
990f5de7 | 1206 | memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size); |
ae47c45f | 1207 | |
18b92ffa LC |
1208 | /* Dummy packets require the TID to be management */ |
1209 | skb->priority = WL1271_TID_MGMT; | |
ae47c45f | 1210 | |
990f5de7 | 1211 | /* Initialize all fields that might be used */ |
86c438f4 | 1212 | skb_set_queue_mapping(skb, 0); |
990f5de7 | 1213 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
ae47c45f | 1214 | |
990f5de7 | 1215 | return skb; |
ae47c45f SL |
1216 | } |
1217 | ||
990f5de7 | 1218 | |
f634a4e7 | 1219 | #ifdef CONFIG_PM |
22479972 LC |
1220 | static int |
1221 | wl1271_validate_wowlan_pattern(struct cfg80211_wowlan_trig_pkt_pattern *p) | |
b95d7cef ES |
1222 | { |
1223 | int num_fields = 0, in_field = 0, fields_size = 0; | |
1224 | int i, pattern_len = 0; | |
1225 | ||
1226 | if (!p->mask) { | |
1227 | wl1271_warning("No mask in WoWLAN pattern"); | |
1228 | return -EINVAL; | |
1229 | } | |
1230 | ||
1231 | /* | |
1232 | * The pattern is broken up into segments of bytes at different offsets | |
1233 | * that need to be checked by the FW filter. Each segment is called | |
1234 | * a field in the FW API. We verify that the total number of fields | |
1235 | * required for this pattern won't exceed FW limits (8) | |
1236 | * as well as the total fields buffer won't exceed the FW limit. | |
1237 | * Note that if there's a pattern which crosses Ethernet/IP header | |
1238 | * boundary a new field is required. | |
1239 | */ | |
1240 | for (i = 0; i < p->pattern_len; i++) { | |
1241 | if (test_bit(i, (unsigned long *)p->mask)) { | |
1242 | if (!in_field) { | |
1243 | in_field = 1; | |
1244 | pattern_len = 1; | |
1245 | } else { | |
1246 | if (i == WL1271_RX_FILTER_ETH_HEADER_SIZE) { | |
1247 | num_fields++; | |
1248 | fields_size += pattern_len + | |
1249 | RX_FILTER_FIELD_OVERHEAD; | |
1250 | pattern_len = 1; | |
1251 | } else | |
1252 | pattern_len++; | |
1253 | } | |
1254 | } else { | |
1255 | if (in_field) { | |
1256 | in_field = 0; | |
1257 | fields_size += pattern_len + | |
1258 | RX_FILTER_FIELD_OVERHEAD; | |
1259 | num_fields++; | |
1260 | } | |
1261 | } | |
1262 | } | |
1263 | ||
1264 | if (in_field) { | |
1265 | fields_size += pattern_len + RX_FILTER_FIELD_OVERHEAD; | |
1266 | num_fields++; | |
1267 | } | |
1268 | ||
1269 | if (num_fields > WL1271_RX_FILTER_MAX_FIELDS) { | |
1270 | wl1271_warning("RX Filter too complex. Too many segments"); | |
1271 | return -EINVAL; | |
1272 | } | |
1273 | ||
1274 | if (fields_size > WL1271_RX_FILTER_MAX_FIELDS_SIZE) { | |
1275 | wl1271_warning("RX filter pattern is too big"); | |
1276 | return -E2BIG; | |
1277 | } | |
1278 | ||
1279 | return 0; | |
1280 | } | |
1281 | ||
a6eab0c8 ES |
1282 | struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void) |
1283 | { | |
1284 | return kzalloc(sizeof(struct wl12xx_rx_filter), GFP_KERNEL); | |
1285 | } | |
1286 | ||
1287 | void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter) | |
1288 | { | |
1289 | int i; | |
1290 | ||
1291 | if (filter == NULL) | |
1292 | return; | |
1293 | ||
1294 | for (i = 0; i < filter->num_fields; i++) | |
1295 | kfree(filter->fields[i].pattern); | |
1296 | ||
1297 | kfree(filter); | |
1298 | } | |
1299 | ||
1300 | int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter, | |
1301 | u16 offset, u8 flags, | |
1302 | u8 *pattern, u8 len) | |
1303 | { | |
1304 | struct wl12xx_rx_filter_field *field; | |
1305 | ||
1306 | if (filter->num_fields == WL1271_RX_FILTER_MAX_FIELDS) { | |
1307 | wl1271_warning("Max fields per RX filter. can't alloc another"); | |
1308 | return -EINVAL; | |
1309 | } | |
1310 | ||
1311 | field = &filter->fields[filter->num_fields]; | |
1312 | ||
1313 | field->pattern = kzalloc(len, GFP_KERNEL); | |
1314 | if (!field->pattern) { | |
1315 | wl1271_warning("Failed to allocate RX filter pattern"); | |
1316 | return -ENOMEM; | |
1317 | } | |
1318 | ||
1319 | filter->num_fields++; | |
1320 | ||
1321 | field->offset = cpu_to_le16(offset); | |
1322 | field->flags = flags; | |
1323 | field->len = len; | |
1324 | memcpy(field->pattern, pattern, len); | |
1325 | ||
1326 | return 0; | |
1327 | } | |
1328 | ||
1329 | int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter) | |
1330 | { | |
1331 | int i, fields_size = 0; | |
1332 | ||
1333 | for (i = 0; i < filter->num_fields; i++) | |
1334 | fields_size += filter->fields[i].len + | |
1335 | sizeof(struct wl12xx_rx_filter_field) - | |
1336 | sizeof(u8 *); | |
1337 | ||
1338 | return fields_size; | |
1339 | } | |
1340 | ||
1341 | void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter, | |
1342 | u8 *buf) | |
1343 | { | |
1344 | int i; | |
1345 | struct wl12xx_rx_filter_field *field; | |
1346 | ||
1347 | for (i = 0; i < filter->num_fields; i++) { | |
1348 | field = (struct wl12xx_rx_filter_field *)buf; | |
1349 | ||
1350 | field->offset = filter->fields[i].offset; | |
1351 | field->flags = filter->fields[i].flags; | |
1352 | field->len = filter->fields[i].len; | |
1353 | ||
1354 | memcpy(&field->pattern, filter->fields[i].pattern, field->len); | |
1355 | buf += sizeof(struct wl12xx_rx_filter_field) - | |
1356 | sizeof(u8 *) + field->len; | |
1357 | } | |
1358 | } | |
1359 | ||
b95d7cef ES |
1360 | /* |
1361 | * Allocates an RX filter returned through f | |
1362 | * which needs to be freed using rx_filter_free() | |
1363 | */ | |
22479972 | 1364 | static int wl1271_convert_wowlan_pattern_to_rx_filter( |
b95d7cef ES |
1365 | struct cfg80211_wowlan_trig_pkt_pattern *p, |
1366 | struct wl12xx_rx_filter **f) | |
1367 | { | |
1368 | int i, j, ret = 0; | |
1369 | struct wl12xx_rx_filter *filter; | |
1370 | u16 offset; | |
1371 | u8 flags, len; | |
1372 | ||
1373 | filter = wl1271_rx_filter_alloc(); | |
1374 | if (!filter) { | |
1375 | wl1271_warning("Failed to alloc rx filter"); | |
1376 | ret = -ENOMEM; | |
1377 | goto err; | |
1378 | } | |
1379 | ||
1380 | i = 0; | |
1381 | while (i < p->pattern_len) { | |
1382 | if (!test_bit(i, (unsigned long *)p->mask)) { | |
1383 | i++; | |
1384 | continue; | |
1385 | } | |
1386 | ||
1387 | for (j = i; j < p->pattern_len; j++) { | |
1388 | if (!test_bit(j, (unsigned long *)p->mask)) | |
1389 | break; | |
1390 | ||
1391 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE && | |
1392 | j >= WL1271_RX_FILTER_ETH_HEADER_SIZE) | |
1393 | break; | |
1394 | } | |
1395 | ||
1396 | if (i < WL1271_RX_FILTER_ETH_HEADER_SIZE) { | |
1397 | offset = i; | |
1398 | flags = WL1271_RX_FILTER_FLAG_ETHERNET_HEADER; | |
1399 | } else { | |
1400 | offset = i - WL1271_RX_FILTER_ETH_HEADER_SIZE; | |
1401 | flags = WL1271_RX_FILTER_FLAG_IP_HEADER; | |
1402 | } | |
1403 | ||
1404 | len = j - i; | |
1405 | ||
1406 | ret = wl1271_rx_filter_alloc_field(filter, | |
1407 | offset, | |
1408 | flags, | |
1409 | &p->pattern[i], len); | |
1410 | if (ret) | |
1411 | goto err; | |
1412 | ||
1413 | i = j; | |
1414 | } | |
1415 | ||
1416 | filter->action = FILTER_SIGNAL; | |
1417 | ||
1418 | *f = filter; | |
1419 | return 0; | |
1420 | ||
1421 | err: | |
1422 | wl1271_rx_filter_free(filter); | |
1423 | *f = NULL; | |
1424 | ||
1425 | return ret; | |
1426 | } | |
1427 | ||
1428 | static int wl1271_configure_wowlan(struct wl1271 *wl, | |
1429 | struct cfg80211_wowlan *wow) | |
1430 | { | |
1431 | int i, ret; | |
1432 | ||
1433 | if (!wow || wow->any || !wow->n_patterns) { | |
1434 | wl1271_acx_default_rx_filter_enable(wl, 0, FILTER_SIGNAL); | |
1435 | wl1271_rx_filter_clear_all(wl); | |
1436 | return 0; | |
1437 | } | |
1438 | ||
1439 | if (WARN_ON(wow->n_patterns > WL1271_MAX_RX_FILTERS)) | |
1440 | return -EINVAL; | |
1441 | ||
1442 | /* Validate all incoming patterns before clearing current FW state */ | |
1443 | for (i = 0; i < wow->n_patterns; i++) { | |
1444 | ret = wl1271_validate_wowlan_pattern(&wow->patterns[i]); | |
1445 | if (ret) { | |
1446 | wl1271_warning("Bad wowlan pattern %d", i); | |
1447 | return ret; | |
1448 | } | |
1449 | } | |
1450 | ||
1451 | wl1271_acx_default_rx_filter_enable(wl, 0, FILTER_SIGNAL); | |
1452 | wl1271_rx_filter_clear_all(wl); | |
1453 | ||
1454 | /* Translate WoWLAN patterns into filters */ | |
1455 | for (i = 0; i < wow->n_patterns; i++) { | |
1456 | struct cfg80211_wowlan_trig_pkt_pattern *p; | |
1457 | struct wl12xx_rx_filter *filter = NULL; | |
1458 | ||
1459 | p = &wow->patterns[i]; | |
1460 | ||
1461 | ret = wl1271_convert_wowlan_pattern_to_rx_filter(p, &filter); | |
1462 | if (ret) { | |
1463 | wl1271_warning("Failed to create an RX filter from " | |
1464 | "wowlan pattern %d", i); | |
1465 | goto out; | |
1466 | } | |
1467 | ||
1468 | ret = wl1271_rx_filter_enable(wl, i, 1, filter); | |
1469 | ||
1470 | wl1271_rx_filter_free(filter); | |
1471 | if (ret) | |
1472 | goto out; | |
1473 | } | |
1474 | ||
1475 | ret = wl1271_acx_default_rx_filter_enable(wl, 1, FILTER_DROP); | |
1476 | ||
1477 | out: | |
1478 | return ret; | |
1479 | } | |
1480 | ||
dae728fe | 1481 | static int wl1271_configure_suspend_sta(struct wl1271 *wl, |
b95d7cef ES |
1482 | struct wl12xx_vif *wlvif, |
1483 | struct cfg80211_wowlan *wow) | |
dae728fe ES |
1484 | { |
1485 | int ret = 0; | |
1486 | ||
dae728fe | 1487 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
c56dbd57 | 1488 | goto out; |
dae728fe ES |
1489 | |
1490 | ret = wl1271_ps_elp_wakeup(wl); | |
1491 | if (ret < 0) | |
c56dbd57 | 1492 | goto out; |
dae728fe | 1493 | |
b95d7cef | 1494 | wl1271_configure_wowlan(wl, wow); |
dae728fe ES |
1495 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
1496 | wl->conf.conn.suspend_wake_up_event, | |
1497 | wl->conf.conn.suspend_listen_interval); | |
1498 | ||
1499 | if (ret < 0) | |
1500 | wl1271_error("suspend: set wake up conditions failed: %d", ret); | |
1501 | ||
dae728fe ES |
1502 | wl1271_ps_elp_sleep(wl); |
1503 | ||
c56dbd57 | 1504 | out: |
dae728fe ES |
1505 | return ret; |
1506 | ||
1507 | } | |
9439064c | 1508 | |
0603d891 EP |
1509 | static int wl1271_configure_suspend_ap(struct wl1271 *wl, |
1510 | struct wl12xx_vif *wlvif) | |
8a7cf3fe | 1511 | { |
e85d1629 | 1512 | int ret = 0; |
8a7cf3fe | 1513 | |
53d40d0b | 1514 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) |
c56dbd57 | 1515 | goto out; |
e85d1629 | 1516 | |
8a7cf3fe EP |
1517 | ret = wl1271_ps_elp_wakeup(wl); |
1518 | if (ret < 0) | |
c56dbd57 | 1519 | goto out; |
8a7cf3fe | 1520 | |
0603d891 | 1521 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); |
8a7cf3fe EP |
1522 | |
1523 | wl1271_ps_elp_sleep(wl); | |
c56dbd57 | 1524 | out: |
8a7cf3fe EP |
1525 | return ret; |
1526 | ||
1527 | } | |
1528 | ||
d2d66c56 | 1529 | static int wl1271_configure_suspend(struct wl1271 *wl, |
b95d7cef ES |
1530 | struct wl12xx_vif *wlvif, |
1531 | struct cfg80211_wowlan *wow) | |
8a7cf3fe | 1532 | { |
dae728fe | 1533 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) |
b95d7cef | 1534 | return wl1271_configure_suspend_sta(wl, wlvif, wow); |
536129c8 | 1535 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
0603d891 | 1536 | return wl1271_configure_suspend_ap(wl, wlvif); |
8a7cf3fe EP |
1537 | return 0; |
1538 | } | |
1539 | ||
d2d66c56 EP |
1540 | static void wl1271_configure_resume(struct wl1271 *wl, |
1541 | struct wl12xx_vif *wlvif) | |
9439064c | 1542 | { |
dae728fe | 1543 | int ret = 0; |
536129c8 | 1544 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
dae728fe | 1545 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
9439064c | 1546 | |
dae728fe | 1547 | if ((!is_ap) && (!is_sta)) |
9439064c EP |
1548 | return; |
1549 | ||
9439064c EP |
1550 | ret = wl1271_ps_elp_wakeup(wl); |
1551 | if (ret < 0) | |
c56dbd57 | 1552 | return; |
9439064c | 1553 | |
dae728fe | 1554 | if (is_sta) { |
b95d7cef ES |
1555 | wl1271_configure_wowlan(wl, NULL); |
1556 | ||
dae728fe ES |
1557 | ret = wl1271_acx_wake_up_conditions(wl, wlvif, |
1558 | wl->conf.conn.wake_up_event, | |
1559 | wl->conf.conn.listen_interval); | |
1560 | ||
1561 | if (ret < 0) | |
1562 | wl1271_error("resume: wake up conditions failed: %d", | |
1563 | ret); | |
1564 | ||
1565 | } else if (is_ap) { | |
1566 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); | |
1567 | } | |
9439064c EP |
1568 | |
1569 | wl1271_ps_elp_sleep(wl); | |
9439064c EP |
1570 | } |
1571 | ||
402e4861 EP |
1572 | static int wl1271_op_suspend(struct ieee80211_hw *hw, |
1573 | struct cfg80211_wowlan *wow) | |
1574 | { | |
1575 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 1576 | struct wl12xx_vif *wlvif; |
4a859df8 EP |
1577 | int ret; |
1578 | ||
402e4861 | 1579 | wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); |
b95d7cef | 1580 | WARN_ON(!wow); |
f44e5868 | 1581 | |
b9239b66 AN |
1582 | wl1271_tx_flush(wl); |
1583 | ||
c56dbd57 | 1584 | mutex_lock(&wl->mutex); |
4a859df8 | 1585 | wl->wow_enabled = true; |
6e8cd331 | 1586 | wl12xx_for_each_wlvif(wl, wlvif) { |
b95d7cef | 1587 | ret = wl1271_configure_suspend(wl, wlvif, wow); |
6e8cd331 | 1588 | if (ret < 0) { |
cd840f6a | 1589 | mutex_unlock(&wl->mutex); |
6e8cd331 EP |
1590 | wl1271_warning("couldn't prepare device to suspend"); |
1591 | return ret; | |
1592 | } | |
4a859df8 | 1593 | } |
c56dbd57 | 1594 | mutex_unlock(&wl->mutex); |
4a859df8 EP |
1595 | /* flush any remaining work */ |
1596 | wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); | |
f44e5868 | 1597 | |
4a859df8 EP |
1598 | /* |
1599 | * disable and re-enable interrupts in order to flush | |
1600 | * the threaded_irq | |
1601 | */ | |
dd5512eb | 1602 | wlcore_disable_interrupts(wl); |
4a859df8 EP |
1603 | |
1604 | /* | |
1605 | * set suspended flag to avoid triggering a new threaded_irq | |
1606 | * work. no need for spinlock as interrupts are disabled. | |
1607 | */ | |
1608 | set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1609 | ||
dd5512eb | 1610 | wlcore_enable_interrupts(wl); |
4a859df8 | 1611 | flush_work(&wl->tx_work); |
4a859df8 | 1612 | flush_delayed_work(&wl->elp_work); |
f44e5868 | 1613 | |
402e4861 EP |
1614 | return 0; |
1615 | } | |
1616 | ||
1617 | static int wl1271_op_resume(struct ieee80211_hw *hw) | |
1618 | { | |
1619 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 1620 | struct wl12xx_vif *wlvif; |
4a859df8 EP |
1621 | unsigned long flags; |
1622 | bool run_irq_work = false; | |
1623 | ||
402e4861 EP |
1624 | wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", |
1625 | wl->wow_enabled); | |
4a859df8 | 1626 | WARN_ON(!wl->wow_enabled); |
f44e5868 EP |
1627 | |
1628 | /* | |
1629 | * re-enable irq_work enqueuing, and call irq_work directly if | |
1630 | * there is a pending work. | |
1631 | */ | |
4a859df8 EP |
1632 | spin_lock_irqsave(&wl->wl_lock, flags); |
1633 | clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); | |
1634 | if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) | |
1635 | run_irq_work = true; | |
1636 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
9439064c | 1637 | |
4a859df8 EP |
1638 | if (run_irq_work) { |
1639 | wl1271_debug(DEBUG_MAC80211, | |
1640 | "run postponed irq_work directly"); | |
1641 | wl1271_irq(0, wl); | |
dd5512eb | 1642 | wlcore_enable_interrupts(wl); |
f44e5868 | 1643 | } |
c56dbd57 ES |
1644 | |
1645 | mutex_lock(&wl->mutex); | |
6e8cd331 EP |
1646 | wl12xx_for_each_wlvif(wl, wlvif) { |
1647 | wl1271_configure_resume(wl, wlvif); | |
1648 | } | |
ff91afc9 | 1649 | wl->wow_enabled = false; |
c56dbd57 | 1650 | mutex_unlock(&wl->mutex); |
f44e5868 | 1651 | |
402e4861 EP |
1652 | return 0; |
1653 | } | |
f634a4e7 | 1654 | #endif |
402e4861 | 1655 | |
f5fc0f86 | 1656 | static int wl1271_op_start(struct ieee80211_hw *hw) |
1b72aecd JO |
1657 | { |
1658 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
1659 | ||
1660 | /* | |
1661 | * We have to delay the booting of the hardware because | |
1662 | * we need to know the local MAC address before downloading and | |
1663 | * initializing the firmware. The MAC address cannot be changed | |
1664 | * after boot, and without the proper MAC address, the firmware | |
1665 | * will not function properly. | |
1666 | * | |
1667 | * The MAC address is first known when the corresponding interface | |
1668 | * is added. That is where we will initialize the hardware. | |
1669 | */ | |
1670 | ||
d18da7fc | 1671 | return 0; |
1b72aecd JO |
1672 | } |
1673 | ||
1674 | static void wl1271_op_stop(struct ieee80211_hw *hw) | |
1675 | { | |
baf6277a EP |
1676 | struct wl1271 *wl = hw->priv; |
1677 | int i; | |
1678 | ||
1b72aecd | 1679 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); |
baf6277a | 1680 | |
46b0cc9f IY |
1681 | /* |
1682 | * Interrupts must be disabled before setting the state to OFF. | |
1683 | * Otherwise, the interrupt handler might be called and exit without | |
1684 | * reading the interrupt status. | |
1685 | */ | |
dd5512eb | 1686 | wlcore_disable_interrupts(wl); |
10c8cd01 EP |
1687 | mutex_lock(&wl->mutex); |
1688 | if (wl->state == WL1271_STATE_OFF) { | |
1689 | mutex_unlock(&wl->mutex); | |
46b0cc9f IY |
1690 | |
1691 | /* | |
1692 | * This will not necessarily enable interrupts as interrupts | |
1693 | * may have been disabled when op_stop was called. It will, | |
1694 | * however, balance the above call to disable_interrupts(). | |
1695 | */ | |
dd5512eb | 1696 | wlcore_enable_interrupts(wl); |
10c8cd01 EP |
1697 | return; |
1698 | } | |
46b0cc9f | 1699 | |
baf6277a EP |
1700 | /* |
1701 | * this must be before the cancel_work calls below, so that the work | |
1702 | * functions don't perform further work. | |
1703 | */ | |
1704 | wl->state = WL1271_STATE_OFF; | |
10c8cd01 EP |
1705 | mutex_unlock(&wl->mutex); |
1706 | ||
baf6277a EP |
1707 | wl1271_flush_deferred_work(wl); |
1708 | cancel_delayed_work_sync(&wl->scan_complete_work); | |
1709 | cancel_work_sync(&wl->netstack_work); | |
1710 | cancel_work_sync(&wl->tx_work); | |
baf6277a | 1711 | cancel_delayed_work_sync(&wl->elp_work); |
55df5afb | 1712 | cancel_delayed_work_sync(&wl->tx_watchdog_work); |
5f561f68 | 1713 | cancel_delayed_work_sync(&wl->connection_loss_work); |
baf6277a EP |
1714 | |
1715 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
1716 | wl12xx_tx_reset(wl, true); | |
1717 | mutex_lock(&wl->mutex); | |
1718 | ||
1719 | wl1271_power_off(wl); | |
1720 | ||
1721 | wl->band = IEEE80211_BAND_2GHZ; | |
1722 | ||
1723 | wl->rx_counter = 0; | |
1724 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; | |
83d08d3f | 1725 | wl->channel_type = NL80211_CHAN_NO_HT; |
baf6277a EP |
1726 | wl->tx_blocks_available = 0; |
1727 | wl->tx_allocated_blocks = 0; | |
1728 | wl->tx_results_count = 0; | |
1729 | wl->tx_packets_count = 0; | |
1730 | wl->time_offset = 0; | |
baf6277a EP |
1731 | wl->ap_fw_ps_map = 0; |
1732 | wl->ap_ps_map = 0; | |
1733 | wl->sched_scanning = false; | |
1734 | memset(wl->roles_map, 0, sizeof(wl->roles_map)); | |
1735 | memset(wl->links_map, 0, sizeof(wl->links_map)); | |
1736 | memset(wl->roc_map, 0, sizeof(wl->roc_map)); | |
1737 | wl->active_sta_count = 0; | |
1738 | ||
1739 | /* The system link is always allocated */ | |
1740 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); | |
1741 | ||
1742 | /* | |
1743 | * this is performed after the cancel_work calls and the associated | |
1744 | * mutex_lock, so that wl1271_op_add_interface does not accidentally | |
1745 | * get executed before all these vars have been reset. | |
1746 | */ | |
1747 | wl->flags = 0; | |
1748 | ||
1749 | wl->tx_blocks_freed = 0; | |
1750 | ||
1751 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
1752 | wl->tx_pkts_freed[i] = 0; | |
1753 | wl->tx_allocated_pkts[i] = 0; | |
1754 | } | |
1755 | ||
1756 | wl1271_debugfs_reset(wl); | |
1757 | ||
0afd04e5 AN |
1758 | kfree(wl->fw_status_1); |
1759 | wl->fw_status_1 = NULL; | |
1760 | wl->fw_status_2 = NULL; | |
baf6277a EP |
1761 | kfree(wl->tx_res_if); |
1762 | wl->tx_res_if = NULL; | |
1763 | kfree(wl->target_mem_map); | |
1764 | wl->target_mem_map = NULL; | |
1765 | ||
1766 | mutex_unlock(&wl->mutex); | |
1b72aecd JO |
1767 | } |
1768 | ||
e5a359f8 EP |
1769 | static int wl12xx_allocate_rate_policy(struct wl1271 *wl, u8 *idx) |
1770 | { | |
1771 | u8 policy = find_first_zero_bit(wl->rate_policies_map, | |
1772 | WL12XX_MAX_RATE_POLICIES); | |
1773 | if (policy >= WL12XX_MAX_RATE_POLICIES) | |
1774 | return -EBUSY; | |
1775 | ||
1776 | __set_bit(policy, wl->rate_policies_map); | |
1777 | *idx = policy; | |
1778 | return 0; | |
1779 | } | |
1780 | ||
1781 | static void wl12xx_free_rate_policy(struct wl1271 *wl, u8 *idx) | |
1782 | { | |
1783 | if (WARN_ON(*idx >= WL12XX_MAX_RATE_POLICIES)) | |
1784 | return; | |
1785 | ||
1786 | __clear_bit(*idx, wl->rate_policies_map); | |
1787 | *idx = WL12XX_MAX_RATE_POLICIES; | |
1788 | } | |
1789 | ||
536129c8 | 1790 | static u8 wl12xx_get_role_type(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
b78b47eb | 1791 | { |
536129c8 | 1792 | switch (wlvif->bss_type) { |
b78b47eb | 1793 | case BSS_TYPE_AP_BSS: |
fb0e707c | 1794 | if (wlvif->p2p) |
045c745f EP |
1795 | return WL1271_ROLE_P2P_GO; |
1796 | else | |
1797 | return WL1271_ROLE_AP; | |
b78b47eb EP |
1798 | |
1799 | case BSS_TYPE_STA_BSS: | |
fb0e707c | 1800 | if (wlvif->p2p) |
045c745f EP |
1801 | return WL1271_ROLE_P2P_CL; |
1802 | else | |
1803 | return WL1271_ROLE_STA; | |
b78b47eb | 1804 | |
227e81e1 EP |
1805 | case BSS_TYPE_IBSS: |
1806 | return WL1271_ROLE_IBSS; | |
1807 | ||
b78b47eb | 1808 | default: |
536129c8 | 1809 | wl1271_error("invalid bss_type: %d", wlvif->bss_type); |
b78b47eb EP |
1810 | } |
1811 | return WL12XX_INVALID_ROLE_TYPE; | |
1812 | } | |
1813 | ||
83587505 | 1814 | static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) |
87fbcb0f | 1815 | { |
e936bbe0 | 1816 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e5a359f8 | 1817 | int i; |
e936bbe0 | 1818 | |
48e93e40 EP |
1819 | /* clear everything but the persistent data */ |
1820 | memset(wlvif, 0, offsetof(struct wl12xx_vif, persistent)); | |
e936bbe0 EP |
1821 | |
1822 | switch (ieee80211_vif_type_p2p(vif)) { | |
1823 | case NL80211_IFTYPE_P2P_CLIENT: | |
1824 | wlvif->p2p = 1; | |
1825 | /* fall-through */ | |
1826 | case NL80211_IFTYPE_STATION: | |
1827 | wlvif->bss_type = BSS_TYPE_STA_BSS; | |
1828 | break; | |
1829 | case NL80211_IFTYPE_ADHOC: | |
1830 | wlvif->bss_type = BSS_TYPE_IBSS; | |
1831 | break; | |
1832 | case NL80211_IFTYPE_P2P_GO: | |
1833 | wlvif->p2p = 1; | |
1834 | /* fall-through */ | |
1835 | case NL80211_IFTYPE_AP: | |
1836 | wlvif->bss_type = BSS_TYPE_AP_BSS; | |
1837 | break; | |
1838 | default: | |
1839 | wlvif->bss_type = MAX_BSS_TYPE; | |
1840 | return -EOPNOTSUPP; | |
1841 | } | |
1842 | ||
0603d891 | 1843 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
7edebf56 | 1844 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
afaf8bdb | 1845 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
a8ab39a4 | 1846 | |
e936bbe0 EP |
1847 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
1848 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
1849 | /* init sta/ibss data */ | |
1850 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; | |
e5a359f8 EP |
1851 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.basic_rate_idx); |
1852 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.ap_rate_idx); | |
1853 | wl12xx_allocate_rate_policy(wl, &wlvif->sta.p2p_rate_idx); | |
15e05bc0 LC |
1854 | wlvif->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
1855 | wlvif->basic_rate = CONF_TX_RATE_MASK_BASIC; | |
1856 | wlvif->rate_set = CONF_TX_RATE_MASK_BASIC; | |
e936bbe0 EP |
1857 | } else { |
1858 | /* init ap data */ | |
1859 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; | |
1860 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; | |
e5a359f8 EP |
1861 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); |
1862 | wl12xx_allocate_rate_policy(wl, &wlvif->ap.bcast_rate_idx); | |
1863 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) | |
1864 | wl12xx_allocate_rate_policy(wl, | |
1865 | &wlvif->ap.ucast_rate_idx[i]); | |
15e05bc0 LC |
1866 | wlvif->basic_rate_set = CONF_TX_AP_ENABLED_RATES; |
1867 | /* | |
1868 | * TODO: check if basic_rate shouldn't be | |
1869 | * wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
1870 | * instead (the same thing for STA above). | |
1871 | */ | |
1872 | wlvif->basic_rate = CONF_TX_AP_ENABLED_RATES; | |
1873 | /* TODO: this seems to be used only for STA, check it */ | |
1874 | wlvif->rate_set = CONF_TX_AP_ENABLED_RATES; | |
e936bbe0 | 1875 | } |
a8ab39a4 | 1876 | |
83587505 EP |
1877 | wlvif->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate; |
1878 | wlvif->bitrate_masks[IEEE80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5; | |
6a899796 EP |
1879 | wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT; |
1880 | ||
1b92f15e EP |
1881 | /* |
1882 | * mac80211 configures some values globally, while we treat them | |
1883 | * per-interface. thus, on init, we have to copy them from wl | |
1884 | */ | |
1885 | wlvif->band = wl->band; | |
61f845f4 | 1886 | wlvif->channel = wl->channel; |
6bd65029 | 1887 | wlvif->power_level = wl->power_level; |
83d08d3f | 1888 | wlvif->channel_type = wl->channel_type; |
1b92f15e | 1889 | |
9eb599e9 EP |
1890 | INIT_WORK(&wlvif->rx_streaming_enable_work, |
1891 | wl1271_rx_streaming_enable_work); | |
1892 | INIT_WORK(&wlvif->rx_streaming_disable_work, | |
1893 | wl1271_rx_streaming_disable_work); | |
87627214 | 1894 | INIT_LIST_HEAD(&wlvif->list); |
252efa4f | 1895 | |
9eb599e9 EP |
1896 | setup_timer(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer, |
1897 | (unsigned long) wlvif); | |
e936bbe0 | 1898 | return 0; |
87fbcb0f EP |
1899 | } |
1900 | ||
1d095475 | 1901 | static bool wl12xx_init_fw(struct wl1271 *wl) |
f5fc0f86 | 1902 | { |
9ccd9217 | 1903 | int retries = WL1271_BOOT_RETRIES; |
71125abd | 1904 | bool booted = false; |
1d095475 EP |
1905 | struct wiphy *wiphy = wl->hw->wiphy; |
1906 | int ret; | |
f5fc0f86 | 1907 | |
9ccd9217 JO |
1908 | while (retries) { |
1909 | retries--; | |
3fcdab70 | 1910 | ret = wl12xx_chip_wakeup(wl, false); |
9ccd9217 JO |
1911 | if (ret < 0) |
1912 | goto power_off; | |
f5fc0f86 | 1913 | |
dd5512eb | 1914 | ret = wl->ops->boot(wl); |
9ccd9217 JO |
1915 | if (ret < 0) |
1916 | goto power_off; | |
f5fc0f86 | 1917 | |
92c77c73 EP |
1918 | ret = wl1271_hw_init(wl); |
1919 | if (ret < 0) | |
1920 | goto irq_disable; | |
1921 | ||
71125abd EP |
1922 | booted = true; |
1923 | break; | |
eb5b28d0 | 1924 | |
9ccd9217 | 1925 | irq_disable: |
9ccd9217 JO |
1926 | mutex_unlock(&wl->mutex); |
1927 | /* Unlocking the mutex in the middle of handling is | |
1928 | inherently unsafe. In this case we deem it safe to do, | |
1929 | because we need to let any possibly pending IRQ out of | |
1930 | the system (and while we are WL1271_STATE_OFF the IRQ | |
1931 | work function will not do anything.) Also, any other | |
1932 | possible concurrent operations will fail due to the | |
1933 | current state, hence the wl1271 struct should be safe. */ | |
dd5512eb | 1934 | wlcore_disable_interrupts(wl); |
a620865e IY |
1935 | wl1271_flush_deferred_work(wl); |
1936 | cancel_work_sync(&wl->netstack_work); | |
9ccd9217 JO |
1937 | mutex_lock(&wl->mutex); |
1938 | power_off: | |
1939 | wl1271_power_off(wl); | |
1940 | } | |
eb5b28d0 | 1941 | |
71125abd EP |
1942 | if (!booted) { |
1943 | wl1271_error("firmware boot failed despite %d retries", | |
1944 | WL1271_BOOT_RETRIES); | |
1945 | goto out; | |
1946 | } | |
1947 | ||
4b7fac77 | 1948 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
71125abd EP |
1949 | |
1950 | /* update hw/fw version info in wiphy struct */ | |
1951 | wiphy->hw_version = wl->chip.id; | |
4b7fac77 | 1952 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
71125abd EP |
1953 | sizeof(wiphy->fw_version)); |
1954 | ||
fb6a6819 LC |
1955 | /* |
1956 | * Now we know if 11a is supported (info from the NVS), so disable | |
1957 | * 11a channels if not supported | |
1958 | */ | |
1959 | if (!wl->enable_11a) | |
1960 | wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0; | |
1961 | ||
1962 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", | |
1963 | wl->enable_11a ? "" : "not "); | |
1964 | ||
1d095475 EP |
1965 | wl->state = WL1271_STATE_ON; |
1966 | out: | |
1967 | return booted; | |
1968 | } | |
1969 | ||
92e712da EP |
1970 | static bool wl12xx_dev_role_started(struct wl12xx_vif *wlvif) |
1971 | { | |
1972 | return wlvif->dev_hlid != WL12XX_INVALID_LINK_ID; | |
1973 | } | |
1974 | ||
4549d09c EP |
1975 | /* |
1976 | * Check whether a fw switch (i.e. moving from one loaded | |
1977 | * fw to another) is needed. This function is also responsible | |
1978 | * for updating wl->last_vif_count, so it must be called before | |
1979 | * loading a non-plt fw (so the correct fw (single-role/multi-role) | |
1980 | * will be used). | |
1981 | */ | |
1982 | static bool wl12xx_need_fw_change(struct wl1271 *wl, | |
1983 | struct vif_counter_data vif_counter_data, | |
1984 | bool add) | |
1985 | { | |
1986 | enum wl12xx_fw_type current_fw = wl->fw_type; | |
1987 | u8 vif_count = vif_counter_data.counter; | |
1988 | ||
1989 | if (test_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags)) | |
1990 | return false; | |
1991 | ||
1992 | /* increase the vif count if this is a new vif */ | |
1993 | if (add && !vif_counter_data.cur_vif_running) | |
1994 | vif_count++; | |
1995 | ||
1996 | wl->last_vif_count = vif_count; | |
1997 | ||
1998 | /* no need for fw change if the device is OFF */ | |
1999 | if (wl->state == WL1271_STATE_OFF) | |
2000 | return false; | |
2001 | ||
2002 | if (vif_count > 1 && current_fw == WL12XX_FW_TYPE_NORMAL) | |
2003 | return true; | |
2004 | if (vif_count <= 1 && current_fw == WL12XX_FW_TYPE_MULTI) | |
2005 | return true; | |
2006 | ||
2007 | return false; | |
2008 | } | |
2009 | ||
3dee4393 EP |
2010 | /* |
2011 | * Enter "forced psm". Make sure the sta is in psm against the ap, | |
2012 | * to make the fw switch a bit more disconnection-persistent. | |
2013 | */ | |
2014 | static void wl12xx_force_active_psm(struct wl1271 *wl) | |
2015 | { | |
2016 | struct wl12xx_vif *wlvif; | |
2017 | ||
2018 | wl12xx_for_each_wlvif_sta(wl, wlvif) { | |
2019 | wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE); | |
2020 | } | |
2021 | } | |
2022 | ||
1d095475 EP |
2023 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, |
2024 | struct ieee80211_vif *vif) | |
2025 | { | |
2026 | struct wl1271 *wl = hw->priv; | |
2027 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4549d09c | 2028 | struct vif_counter_data vif_count; |
1d095475 EP |
2029 | int ret = 0; |
2030 | u8 role_type; | |
2031 | bool booted = false; | |
2032 | ||
ea086359 JB |
2033 | vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | |
2034 | IEEE80211_VIF_SUPPORTS_CQM_RSSI; | |
c1288b12 | 2035 | |
1d095475 EP |
2036 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
2037 | ieee80211_vif_type_p2p(vif), vif->addr); | |
2038 | ||
4549d09c EP |
2039 | wl12xx_get_vif_count(hw, vif, &vif_count); |
2040 | ||
1d095475 | 2041 | mutex_lock(&wl->mutex); |
f750c820 EP |
2042 | ret = wl1271_ps_elp_wakeup(wl); |
2043 | if (ret < 0) | |
2044 | goto out_unlock; | |
2045 | ||
1d095475 EP |
2046 | /* |
2047 | * in some very corner case HW recovery scenarios its possible to | |
2048 | * get here before __wl1271_op_remove_interface is complete, so | |
2049 | * opt out if that is the case. | |
2050 | */ | |
10c8cd01 EP |
2051 | if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags) || |
2052 | test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) { | |
1d095475 EP |
2053 | ret = -EBUSY; |
2054 | goto out; | |
2055 | } | |
2056 | ||
3fcdab70 | 2057 | |
83587505 | 2058 | ret = wl12xx_init_vif_data(wl, vif); |
1d095475 EP |
2059 | if (ret < 0) |
2060 | goto out; | |
2061 | ||
2062 | wlvif->wl = wl; | |
2063 | role_type = wl12xx_get_role_type(wl, wlvif); | |
2064 | if (role_type == WL12XX_INVALID_ROLE_TYPE) { | |
2065 | ret = -EINVAL; | |
2066 | goto out; | |
2067 | } | |
2068 | ||
4549d09c | 2069 | if (wl12xx_need_fw_change(wl, vif_count, true)) { |
3dee4393 | 2070 | wl12xx_force_active_psm(wl); |
e9ba7152 | 2071 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
4549d09c EP |
2072 | mutex_unlock(&wl->mutex); |
2073 | wl1271_recovery_work(&wl->recovery_work); | |
2074 | return 0; | |
2075 | } | |
2076 | ||
1d095475 EP |
2077 | /* |
2078 | * TODO: after the nvs issue will be solved, move this block | |
2079 | * to start(), and make sure here the driver is ON. | |
2080 | */ | |
2081 | if (wl->state == WL1271_STATE_OFF) { | |
2082 | /* | |
2083 | * we still need this in order to configure the fw | |
2084 | * while uploading the nvs | |
2085 | */ | |
5e037e74 | 2086 | memcpy(wl->addresses[0].addr, vif->addr, ETH_ALEN); |
1d095475 EP |
2087 | |
2088 | booted = wl12xx_init_fw(wl); | |
2089 | if (!booted) { | |
2090 | ret = -EINVAL; | |
2091 | goto out; | |
2092 | } | |
2093 | } | |
2094 | ||
2095 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || | |
2096 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2097 | /* | |
2098 | * The device role is a special role used for | |
2099 | * rx and tx frames prior to association (as | |
2100 | * the STA role can get packets only from | |
2101 | * its associated bssid) | |
2102 | */ | |
2103 | ret = wl12xx_cmd_role_enable(wl, vif->addr, | |
2104 | WL1271_ROLE_DEVICE, | |
2105 | &wlvif->dev_role_id); | |
2106 | if (ret < 0) | |
2107 | goto out; | |
2108 | } | |
2109 | ||
2110 | ret = wl12xx_cmd_role_enable(wl, vif->addr, | |
2111 | role_type, &wlvif->role_id); | |
2112 | if (ret < 0) | |
2113 | goto out; | |
2114 | ||
2115 | ret = wl1271_init_vif_specific(wl, vif); | |
2116 | if (ret < 0) | |
2117 | goto out; | |
2118 | ||
87627214 | 2119 | list_add(&wlvif->list, &wl->wlvif_list); |
10c8cd01 | 2120 | set_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags); |
a4e4130d EP |
2121 | |
2122 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) | |
2123 | wl->ap_count++; | |
2124 | else | |
2125 | wl->sta_count++; | |
eb5b28d0 | 2126 | out: |
f750c820 EP |
2127 | wl1271_ps_elp_sleep(wl); |
2128 | out_unlock: | |
f5fc0f86 LC |
2129 | mutex_unlock(&wl->mutex); |
2130 | ||
2131 | return ret; | |
2132 | } | |
2133 | ||
7dece1c8 | 2134 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
536129c8 | 2135 | struct ieee80211_vif *vif, |
7dece1c8 | 2136 | bool reset_tx_queues) |
f5fc0f86 | 2137 | { |
536129c8 | 2138 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e5a359f8 | 2139 | int i, ret; |
f5fc0f86 | 2140 | |
1b72aecd | 2141 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
f5fc0f86 | 2142 | |
10c8cd01 EP |
2143 | if (!test_and_clear_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
2144 | return; | |
2145 | ||
13026dec JO |
2146 | /* because of hardware recovery, we may get here twice */ |
2147 | if (wl->state != WL1271_STATE_ON) | |
2148 | return; | |
2149 | ||
1b72aecd | 2150 | wl1271_info("down"); |
f5fc0f86 | 2151 | |
baf6277a EP |
2152 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE && |
2153 | wl->scan_vif == vif) { | |
55df5afb AN |
2154 | /* |
2155 | * Rearm the tx watchdog just before idling scan. This | |
2156 | * prevents just-finished scans from triggering the watchdog | |
2157 | */ | |
2158 | wl12xx_rearm_tx_watchdog_locked(wl); | |
2159 | ||
08688d6b | 2160 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
4a31c11c | 2161 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
784f694d | 2162 | wl->scan_vif = NULL; |
b739a42c | 2163 | wl->scan.req = NULL; |
76a029fb | 2164 | ieee80211_scan_completed(wl->hw, true); |
f5fc0f86 LC |
2165 | } |
2166 | ||
b78b47eb EP |
2167 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { |
2168 | /* disable active roles */ | |
2169 | ret = wl1271_ps_elp_wakeup(wl); | |
2170 | if (ret < 0) | |
2171 | goto deinit; | |
2172 | ||
b890f4c3 EP |
2173 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
2174 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2175 | if (wl12xx_dev_role_started(wlvif)) | |
2176 | wl12xx_stop_dev(wl, wlvif); | |
2177 | ||
7edebf56 | 2178 | ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); |
04e8079c EP |
2179 | if (ret < 0) |
2180 | goto deinit; | |
2181 | } | |
2182 | ||
0603d891 | 2183 | ret = wl12xx_cmd_role_disable(wl, &wlvif->role_id); |
b78b47eb EP |
2184 | if (ret < 0) |
2185 | goto deinit; | |
2186 | ||
2187 | wl1271_ps_elp_sleep(wl); | |
2188 | } | |
2189 | deinit: | |
e51ae9be | 2190 | /* clear all hlids (except system_hlid) */ |
afaf8bdb | 2191 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
e5a359f8 EP |
2192 | |
2193 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || | |
2194 | wlvif->bss_type == BSS_TYPE_IBSS) { | |
2195 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; | |
2196 | wl12xx_free_rate_policy(wl, &wlvif->sta.basic_rate_idx); | |
2197 | wl12xx_free_rate_policy(wl, &wlvif->sta.ap_rate_idx); | |
2198 | wl12xx_free_rate_policy(wl, &wlvif->sta.p2p_rate_idx); | |
2199 | } else { | |
2200 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; | |
2201 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; | |
2202 | wl12xx_free_rate_policy(wl, &wlvif->ap.mgmt_rate_idx); | |
2203 | wl12xx_free_rate_policy(wl, &wlvif->ap.bcast_rate_idx); | |
2204 | for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) | |
2205 | wl12xx_free_rate_policy(wl, | |
2206 | &wlvif->ap.ucast_rate_idx[i]); | |
830be7e0 | 2207 | wl1271_free_ap_keys(wl, wlvif); |
e5a359f8 | 2208 | } |
b78b47eb | 2209 | |
3eba4a0e ES |
2210 | dev_kfree_skb(wlvif->probereq); |
2211 | wlvif->probereq = NULL; | |
d6a3cc2e | 2212 | wl12xx_tx_reset_wlvif(wl, wlvif); |
e4120df9 EP |
2213 | if (wl->last_wlvif == wlvif) |
2214 | wl->last_wlvif = NULL; | |
87627214 | 2215 | list_del(&wlvif->list); |
c7ffb902 | 2216 | memset(wlvif->ap.sta_hlid_map, 0, sizeof(wlvif->ap.sta_hlid_map)); |
0603d891 | 2217 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
7edebf56 | 2218 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
d6e19d13 | 2219 | |
a4e4130d EP |
2220 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
2221 | wl->ap_count--; | |
2222 | else | |
2223 | wl->sta_count--; | |
2224 | ||
baf6277a | 2225 | mutex_unlock(&wl->mutex); |
d6bf9ada | 2226 | |
9eb599e9 EP |
2227 | del_timer_sync(&wlvif->rx_streaming_timer); |
2228 | cancel_work_sync(&wlvif->rx_streaming_enable_work); | |
2229 | cancel_work_sync(&wlvif->rx_streaming_disable_work); | |
bd9dc49c | 2230 | |
baf6277a | 2231 | mutex_lock(&wl->mutex); |
52a2a375 | 2232 | } |
bd9dc49c | 2233 | |
52a2a375 JO |
2234 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
2235 | struct ieee80211_vif *vif) | |
2236 | { | |
2237 | struct wl1271 *wl = hw->priv; | |
10c8cd01 | 2238 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
6e8cd331 | 2239 | struct wl12xx_vif *iter; |
4549d09c EP |
2240 | struct vif_counter_data vif_count; |
2241 | bool cancel_recovery = true; | |
52a2a375 | 2242 | |
4549d09c | 2243 | wl12xx_get_vif_count(hw, vif, &vif_count); |
52a2a375 | 2244 | mutex_lock(&wl->mutex); |
10c8cd01 EP |
2245 | |
2246 | if (wl->state == WL1271_STATE_OFF || | |
2247 | !test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) | |
2248 | goto out; | |
2249 | ||
67353299 JO |
2250 | /* |
2251 | * wl->vif can be null here if someone shuts down the interface | |
2252 | * just when hardware recovery has been started. | |
2253 | */ | |
6e8cd331 EP |
2254 | wl12xx_for_each_wlvif(wl, iter) { |
2255 | if (iter != wlvif) | |
2256 | continue; | |
2257 | ||
536129c8 | 2258 | __wl1271_op_remove_interface(wl, vif, true); |
6e8cd331 | 2259 | break; |
67353299 | 2260 | } |
6e8cd331 | 2261 | WARN_ON(iter != wlvif); |
4549d09c | 2262 | if (wl12xx_need_fw_change(wl, vif_count, false)) { |
3dee4393 | 2263 | wl12xx_force_active_psm(wl); |
e9ba7152 | 2264 | set_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags); |
4549d09c EP |
2265 | wl12xx_queue_recovery_work(wl); |
2266 | cancel_recovery = false; | |
2267 | } | |
10c8cd01 | 2268 | out: |
67353299 | 2269 | mutex_unlock(&wl->mutex); |
4549d09c EP |
2270 | if (cancel_recovery) |
2271 | cancel_work_sync(&wl->recovery_work); | |
f5fc0f86 LC |
2272 | } |
2273 | ||
c0fad1b7 EP |
2274 | static int wl12xx_op_change_interface(struct ieee80211_hw *hw, |
2275 | struct ieee80211_vif *vif, | |
2276 | enum nl80211_iftype new_type, bool p2p) | |
2277 | { | |
4549d09c EP |
2278 | struct wl1271 *wl = hw->priv; |
2279 | int ret; | |
2280 | ||
2281 | set_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); | |
c0fad1b7 EP |
2282 | wl1271_op_remove_interface(hw, vif); |
2283 | ||
249e9698 | 2284 | vif->type = new_type; |
c0fad1b7 | 2285 | vif->p2p = p2p; |
4549d09c EP |
2286 | ret = wl1271_op_add_interface(hw, vif); |
2287 | ||
2288 | clear_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); | |
2289 | return ret; | |
c0fad1b7 EP |
2290 | } |
2291 | ||
87fbcb0f EP |
2292 | static int wl1271_join(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
2293 | bool set_assoc) | |
82429d32 JO |
2294 | { |
2295 | int ret; | |
536129c8 | 2296 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
82429d32 | 2297 | |
69e5434c JO |
2298 | /* |
2299 | * One of the side effects of the JOIN command is that is clears | |
2300 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated | |
2301 | * to a WPA/WPA2 access point will therefore kill the data-path. | |
8bf69aae OBC |
2302 | * Currently the only valid scenario for JOIN during association |
2303 | * is on roaming, in which case we will also be given new keys. | |
2304 | * Keep the below message for now, unless it starts bothering | |
2305 | * users who really like to roam a lot :) | |
69e5434c | 2306 | */ |
ba8447f6 | 2307 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
69e5434c JO |
2308 | wl1271_info("JOIN while associated."); |
2309 | ||
5ec8a448 EP |
2310 | /* clear encryption type */ |
2311 | wlvif->encryption_type = KEY_NONE; | |
2312 | ||
69e5434c | 2313 | if (set_assoc) |
ba8447f6 | 2314 | set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags); |
69e5434c | 2315 | |
227e81e1 | 2316 | if (is_ibss) |
87fbcb0f | 2317 | ret = wl12xx_cmd_role_start_ibss(wl, wlvif); |
227e81e1 | 2318 | else |
87fbcb0f | 2319 | ret = wl12xx_cmd_role_start_sta(wl, wlvif); |
82429d32 JO |
2320 | if (ret < 0) |
2321 | goto out; | |
2322 | ||
ba8447f6 | 2323 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
82429d32 JO |
2324 | goto out; |
2325 | ||
2326 | /* | |
2327 | * The join command disable the keep-alive mode, shut down its process, | |
2328 | * and also clear the template config, so we need to reset it all after | |
2329 | * the join. The acx_aid starts the keep-alive process, and the order | |
2330 | * of the commands below is relevant. | |
2331 | */ | |
0603d891 | 2332 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, true); |
82429d32 JO |
2333 | if (ret < 0) |
2334 | goto out; | |
2335 | ||
0603d891 | 2336 | ret = wl1271_acx_aid(wl, wlvif, wlvif->aid); |
82429d32 JO |
2337 | if (ret < 0) |
2338 | goto out; | |
2339 | ||
d2d66c56 | 2340 | ret = wl12xx_cmd_build_klv_null_data(wl, wlvif); |
82429d32 JO |
2341 | if (ret < 0) |
2342 | goto out; | |
2343 | ||
0603d891 EP |
2344 | ret = wl1271_acx_keep_alive_config(wl, wlvif, |
2345 | CMD_TEMPL_KLV_IDX_NULL_DATA, | |
82429d32 JO |
2346 | ACX_KEEP_ALIVE_TPL_VALID); |
2347 | if (ret < 0) | |
2348 | goto out; | |
2349 | ||
2350 | out: | |
2351 | return ret; | |
2352 | } | |
2353 | ||
0603d891 | 2354 | static int wl1271_unjoin(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c7f43e45 LC |
2355 | { |
2356 | int ret; | |
2357 | ||
52630c5d | 2358 | if (test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) { |
6e8cd331 EP |
2359 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
2360 | ||
6d158ff3 | 2361 | wl12xx_cmd_stop_channel_switch(wl); |
6e8cd331 | 2362 | ieee80211_chswitch_done(vif, false); |
6d158ff3 SL |
2363 | } |
2364 | ||
c7f43e45 | 2365 | /* to stop listening to a channel, we disconnect */ |
0603d891 | 2366 | ret = wl12xx_cmd_role_stop_sta(wl, wlvif); |
c7f43e45 LC |
2367 | if (ret < 0) |
2368 | goto out; | |
2369 | ||
b992c682 | 2370 | /* reset TX security counters on a clean disconnect */ |
48e93e40 EP |
2371 | wlvif->tx_security_last_seq_lsb = 0; |
2372 | wlvif->tx_security_seq = 0; | |
b992c682 | 2373 | |
c7f43e45 LC |
2374 | out: |
2375 | return ret; | |
2376 | } | |
2377 | ||
87fbcb0f | 2378 | static void wl1271_set_band_rate(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
ebba60c6 | 2379 | { |
1b92f15e | 2380 | wlvif->basic_rate_set = wlvif->bitrate_masks[wlvif->band]; |
30d0c8fd | 2381 | wlvif->rate_set = wlvif->basic_rate_set; |
ebba60c6 JO |
2382 | } |
2383 | ||
87fbcb0f EP |
2384 | static int wl1271_sta_handle_idle(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
2385 | bool idle) | |
0d58cbff JO |
2386 | { |
2387 | int ret; | |
a0c7b782 EP |
2388 | bool cur_idle = !test_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); |
2389 | ||
2390 | if (idle == cur_idle) | |
2391 | return 0; | |
0d58cbff JO |
2392 | |
2393 | if (idle) { | |
251c177f | 2394 | /* no need to croc if we weren't busy (e.g. during boot) */ |
92e712da | 2395 | if (wl12xx_dev_role_started(wlvif)) { |
679a6734 | 2396 | ret = wl12xx_stop_dev(wl, wlvif); |
0d58cbff JO |
2397 | if (ret < 0) |
2398 | goto out; | |
2399 | } | |
30d0c8fd EP |
2400 | wlvif->rate_set = |
2401 | wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
2402 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
0d58cbff JO |
2403 | if (ret < 0) |
2404 | goto out; | |
2405 | ret = wl1271_acx_keep_alive_config( | |
0603d891 | 2406 | wl, wlvif, CMD_TEMPL_KLV_IDX_NULL_DATA, |
0d58cbff JO |
2407 | ACX_KEEP_ALIVE_TPL_INVALID); |
2408 | if (ret < 0) | |
2409 | goto out; | |
a0c7b782 | 2410 | clear_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); |
0d58cbff | 2411 | } else { |
33c2c06c LC |
2412 | /* The current firmware only supports sched_scan in idle */ |
2413 | if (wl->sched_scanning) { | |
2414 | wl1271_scan_sched_scan_stop(wl); | |
2415 | ieee80211_sched_scan_stopped(wl->hw); | |
2416 | } | |
2417 | ||
679a6734 | 2418 | ret = wl12xx_start_dev(wl, wlvif); |
0d58cbff JO |
2419 | if (ret < 0) |
2420 | goto out; | |
a0c7b782 | 2421 | set_bit(WLVIF_FLAG_IN_USE, &wlvif->flags); |
0d58cbff JO |
2422 | } |
2423 | ||
2424 | out: | |
2425 | return ret; | |
2426 | } | |
2427 | ||
9f259c4e EP |
2428 | static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
2429 | struct ieee80211_conf *conf, u32 changed) | |
f5fc0f86 | 2430 | { |
9f259c4e EP |
2431 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
2432 | int channel, ret; | |
f5fc0f86 LC |
2433 | |
2434 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
2435 | ||
ebba60c6 | 2436 | /* if the channel changes while joined, join again */ |
69e5434c | 2437 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL && |
1b92f15e | 2438 | ((wlvif->band != conf->channel->band) || |
83d08d3f AN |
2439 | (wlvif->channel != channel) || |
2440 | (wlvif->channel_type != conf->channel_type))) { | |
c6930b07 | 2441 | /* send all pending packets */ |
a32d0cdf | 2442 | wl1271_tx_work_locked(wl); |
61f845f4 EP |
2443 | wlvif->band = conf->channel->band; |
2444 | wlvif->channel = channel; | |
83d08d3f | 2445 | wlvif->channel_type = conf->channel_type; |
ebba60c6 | 2446 | |
ebc7e57d AN |
2447 | if (is_ap) { |
2448 | ret = wl1271_init_ap_rates(wl, wlvif); | |
2449 | if (ret < 0) | |
2450 | wl1271_error("AP rate policy change failed %d", | |
2451 | ret); | |
2452 | } else { | |
bee0ffec AN |
2453 | /* |
2454 | * FIXME: the mac80211 should really provide a fixed | |
2455 | * rate to use here. for now, just use the smallest | |
2456 | * possible rate for the band as a fixed rate for | |
2457 | * association frames and other control messages. | |
2458 | */ | |
ba8447f6 | 2459 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
87fbcb0f | 2460 | wl1271_set_band_rate(wl, wlvif); |
bee0ffec | 2461 | |
d2d66c56 | 2462 | wlvif->basic_rate = |
87fbcb0f EP |
2463 | wl1271_tx_min_rate_get(wl, |
2464 | wlvif->basic_rate_set); | |
30d0c8fd | 2465 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
ebba60c6 | 2466 | if (ret < 0) |
bee0ffec | 2467 | wl1271_warning("rate policy for channel " |
ebba60c6 | 2468 | "failed %d", ret); |
bee0ffec | 2469 | |
121af049 EP |
2470 | /* |
2471 | * change the ROC channel. do it only if we are | |
2472 | * not idle. otherwise, CROC will be called | |
2473 | * anyway. | |
2474 | */ | |
2475 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, | |
2476 | &wlvif->flags) && | |
2477 | wl12xx_dev_role_started(wlvif) && | |
2478 | !(conf->flags & IEEE80211_CONF_IDLE)) { | |
2479 | ret = wl12xx_stop_dev(wl, wlvif); | |
bee0ffec | 2480 | if (ret < 0) |
121af049 EP |
2481 | return ret; |
2482 | ||
2483 | ret = wl12xx_start_dev(wl, wlvif); | |
2484 | if (ret < 0) | |
2485 | return ret; | |
bee0ffec | 2486 | } |
ebba60c6 JO |
2487 | } |
2488 | } | |
2489 | ||
d18da7fc ES |
2490 | if ((changed & IEEE80211_CONF_CHANGE_PS) && !is_ap) { |
2491 | ||
2492 | if ((conf->flags & IEEE80211_CONF_PS) && | |
2493 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && | |
5c0dc2fc | 2494 | !test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { |
d18da7fc | 2495 | |
5c0dc2fc ES |
2496 | int ps_mode; |
2497 | char *ps_mode_str; | |
2498 | ||
2499 | if (wl->conf.conn.forced_ps) { | |
2500 | ps_mode = STATION_POWER_SAVE_MODE; | |
2501 | ps_mode_str = "forced"; | |
2502 | } else { | |
2503 | ps_mode = STATION_AUTO_PS_MODE; | |
2504 | ps_mode_str = "auto"; | |
2505 | } | |
2506 | ||
2507 | wl1271_debug(DEBUG_PSM, "%s ps enabled", ps_mode_str); | |
2508 | ||
2509 | ret = wl1271_ps_set_mode(wl, wlvif, ps_mode); | |
f5fc0f86 | 2510 | |
d18da7fc | 2511 | if (ret < 0) |
5c0dc2fc ES |
2512 | wl1271_warning("enter %s ps failed %d", |
2513 | ps_mode_str, ret); | |
f5fc0f86 | 2514 | |
d18da7fc | 2515 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
5c0dc2fc | 2516 | test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { |
d18da7fc ES |
2517 | |
2518 | wl1271_debug(DEBUG_PSM, "auto ps disabled"); | |
f5fc0f86 | 2519 | |
0603d891 | 2520 | ret = wl1271_ps_set_mode(wl, wlvif, |
248a0018 | 2521 | STATION_ACTIVE_MODE); |
d18da7fc ES |
2522 | if (ret < 0) |
2523 | wl1271_warning("exit auto ps failed %d", ret); | |
2524 | } | |
f5fc0f86 LC |
2525 | } |
2526 | ||
6bd65029 | 2527 | if (conf->power_level != wlvif->power_level) { |
0603d891 | 2528 | ret = wl1271_acx_tx_power(wl, wlvif, conf->power_level); |
f5fc0f86 | 2529 | if (ret < 0) |
9f259c4e | 2530 | return ret; |
f5fc0f86 | 2531 | |
6bd65029 | 2532 | wlvif->power_level = conf->power_level; |
f5fc0f86 LC |
2533 | } |
2534 | ||
9f259c4e EP |
2535 | return 0; |
2536 | } | |
2537 | ||
2538 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) | |
2539 | { | |
2540 | struct wl1271 *wl = hw->priv; | |
2541 | struct wl12xx_vif *wlvif; | |
2542 | struct ieee80211_conf *conf = &hw->conf; | |
2543 | int channel, ret = 0; | |
2544 | ||
2545 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
2546 | ||
2547 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s" | |
2548 | " changed 0x%x", | |
2549 | channel, | |
2550 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", | |
2551 | conf->power_level, | |
2552 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", | |
2553 | changed); | |
2554 | ||
2555 | /* | |
2556 | * mac80211 will go to idle nearly immediately after transmitting some | |
2557 | * frames, such as the deauth. To make sure those frames reach the air, | |
2558 | * wait here until the TX queue is fully flushed. | |
2559 | */ | |
2560 | if ((changed & IEEE80211_CONF_CHANGE_IDLE) && | |
2561 | (conf->flags & IEEE80211_CONF_IDLE)) | |
2562 | wl1271_tx_flush(wl); | |
2563 | ||
2564 | mutex_lock(&wl->mutex); | |
2565 | ||
2566 | /* we support configuring the channel and band even while off */ | |
2567 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
2568 | wl->band = conf->channel->band; | |
2569 | wl->channel = channel; | |
83d08d3f | 2570 | wl->channel_type = conf->channel_type; |
9f259c4e EP |
2571 | } |
2572 | ||
2573 | if (changed & IEEE80211_CONF_CHANGE_POWER) | |
2574 | wl->power_level = conf->power_level; | |
2575 | ||
2576 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
2577 | goto out; | |
2578 | ||
2579 | ret = wl1271_ps_elp_wakeup(wl); | |
2580 | if (ret < 0) | |
2581 | goto out; | |
2582 | ||
2583 | /* configure each interface */ | |
2584 | wl12xx_for_each_wlvif(wl, wlvif) { | |
2585 | ret = wl12xx_config_vif(wl, wlvif, conf, changed); | |
2586 | if (ret < 0) | |
2587 | goto out_sleep; | |
2588 | } | |
2589 | ||
f5fc0f86 LC |
2590 | out_sleep: |
2591 | wl1271_ps_elp_sleep(wl); | |
2592 | ||
2593 | out: | |
2594 | mutex_unlock(&wl->mutex); | |
2595 | ||
2596 | return ret; | |
2597 | } | |
2598 | ||
b54853f1 JO |
2599 | struct wl1271_filter_params { |
2600 | bool enabled; | |
2601 | int mc_list_length; | |
2602 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
2603 | }; | |
2604 | ||
22bedad3 JP |
2605 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
2606 | struct netdev_hw_addr_list *mc_list) | |
c87dec9f | 2607 | { |
c87dec9f | 2608 | struct wl1271_filter_params *fp; |
22bedad3 | 2609 | struct netdev_hw_addr *ha; |
2c10bb9c | 2610 | struct wl1271 *wl = hw->priv; |
c87dec9f | 2611 | |
2c10bb9c SD |
2612 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
2613 | return 0; | |
c87dec9f | 2614 | |
74441130 | 2615 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
2616 | if (!fp) { |
2617 | wl1271_error("Out of memory setting filters."); | |
2618 | return 0; | |
2619 | } | |
2620 | ||
2621 | /* update multicast filtering parameters */ | |
c87dec9f | 2622 | fp->mc_list_length = 0; |
22bedad3 JP |
2623 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
2624 | fp->enabled = false; | |
2625 | } else { | |
2626 | fp->enabled = true; | |
2627 | netdev_hw_addr_list_for_each(ha, mc_list) { | |
c87dec9f | 2628 | memcpy(fp->mc_list[fp->mc_list_length], |
22bedad3 | 2629 | ha->addr, ETH_ALEN); |
c87dec9f | 2630 | fp->mc_list_length++; |
22bedad3 | 2631 | } |
c87dec9f JO |
2632 | } |
2633 | ||
b54853f1 | 2634 | return (u64)(unsigned long)fp; |
c87dec9f | 2635 | } |
f5fc0f86 | 2636 | |
b54853f1 JO |
2637 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
2638 | FIF_ALLMULTI | \ | |
2639 | FIF_FCSFAIL | \ | |
2640 | FIF_BCN_PRBRESP_PROMISC | \ | |
2641 | FIF_CONTROL | \ | |
2642 | FIF_OTHER_BSS) | |
2643 | ||
f5fc0f86 LC |
2644 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
2645 | unsigned int changed, | |
c87dec9f | 2646 | unsigned int *total, u64 multicast) |
f5fc0f86 | 2647 | { |
b54853f1 | 2648 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 2649 | struct wl1271 *wl = hw->priv; |
6e8cd331 | 2650 | struct wl12xx_vif *wlvif; |
536129c8 | 2651 | |
b54853f1 | 2652 | int ret; |
f5fc0f86 | 2653 | |
7d057869 AN |
2654 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
2655 | " total %x", changed, *total); | |
f5fc0f86 | 2656 | |
b54853f1 JO |
2657 | mutex_lock(&wl->mutex); |
2658 | ||
2c10bb9c SD |
2659 | *total &= WL1271_SUPPORTED_FILTERS; |
2660 | changed &= WL1271_SUPPORTED_FILTERS; | |
2661 | ||
2662 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
b54853f1 JO |
2663 | goto out; |
2664 | ||
a620865e | 2665 | ret = wl1271_ps_elp_wakeup(wl); |
b54853f1 JO |
2666 | if (ret < 0) |
2667 | goto out; | |
2668 | ||
6e8cd331 EP |
2669 | wl12xx_for_each_wlvif(wl, wlvif) { |
2670 | if (wlvif->bss_type != BSS_TYPE_AP_BSS) { | |
2671 | if (*total & FIF_ALLMULTI) | |
2672 | ret = wl1271_acx_group_address_tbl(wl, wlvif, | |
2673 | false, | |
2674 | NULL, 0); | |
2675 | else if (fp) | |
2676 | ret = wl1271_acx_group_address_tbl(wl, wlvif, | |
2677 | fp->enabled, | |
2678 | fp->mc_list, | |
2679 | fp->mc_list_length); | |
2680 | if (ret < 0) | |
2681 | goto out_sleep; | |
2682 | } | |
7d057869 | 2683 | } |
f5fc0f86 | 2684 | |
08c1d1c7 EP |
2685 | /* |
2686 | * the fw doesn't provide an api to configure the filters. instead, | |
2687 | * the filters configuration is based on the active roles / ROC | |
2688 | * state. | |
2689 | */ | |
b54853f1 JO |
2690 | |
2691 | out_sleep: | |
2692 | wl1271_ps_elp_sleep(wl); | |
2693 | ||
2694 | out: | |
2695 | mutex_unlock(&wl->mutex); | |
14b228a0 | 2696 | kfree(fp); |
f5fc0f86 LC |
2697 | } |
2698 | ||
170d0e67 EP |
2699 | static int wl1271_record_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
2700 | u8 id, u8 key_type, u8 key_size, | |
2701 | const u8 *key, u8 hlid, u32 tx_seq_32, | |
2702 | u16 tx_seq_16) | |
7f179b46 AN |
2703 | { |
2704 | struct wl1271_ap_key *ap_key; | |
2705 | int i; | |
2706 | ||
2707 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); | |
2708 | ||
2709 | if (key_size > MAX_KEY_SIZE) | |
2710 | return -EINVAL; | |
2711 | ||
2712 | /* | |
2713 | * Find next free entry in ap_keys. Also check we are not replacing | |
2714 | * an existing key. | |
2715 | */ | |
2716 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
170d0e67 | 2717 | if (wlvif->ap.recorded_keys[i] == NULL) |
7f179b46 AN |
2718 | break; |
2719 | ||
170d0e67 | 2720 | if (wlvif->ap.recorded_keys[i]->id == id) { |
7f179b46 AN |
2721 | wl1271_warning("trying to record key replacement"); |
2722 | return -EINVAL; | |
2723 | } | |
2724 | } | |
2725 | ||
2726 | if (i == MAX_NUM_KEYS) | |
2727 | return -EBUSY; | |
2728 | ||
2729 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); | |
2730 | if (!ap_key) | |
2731 | return -ENOMEM; | |
2732 | ||
2733 | ap_key->id = id; | |
2734 | ap_key->key_type = key_type; | |
2735 | ap_key->key_size = key_size; | |
2736 | memcpy(ap_key->key, key, key_size); | |
2737 | ap_key->hlid = hlid; | |
2738 | ap_key->tx_seq_32 = tx_seq_32; | |
2739 | ap_key->tx_seq_16 = tx_seq_16; | |
2740 | ||
170d0e67 | 2741 | wlvif->ap.recorded_keys[i] = ap_key; |
7f179b46 AN |
2742 | return 0; |
2743 | } | |
2744 | ||
170d0e67 | 2745 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
7f179b46 AN |
2746 | { |
2747 | int i; | |
2748 | ||
2749 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
170d0e67 EP |
2750 | kfree(wlvif->ap.recorded_keys[i]); |
2751 | wlvif->ap.recorded_keys[i] = NULL; | |
7f179b46 AN |
2752 | } |
2753 | } | |
2754 | ||
a8ab39a4 | 2755 | static int wl1271_ap_init_hwenc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
7f179b46 AN |
2756 | { |
2757 | int i, ret = 0; | |
2758 | struct wl1271_ap_key *key; | |
2759 | bool wep_key_added = false; | |
2760 | ||
2761 | for (i = 0; i < MAX_NUM_KEYS; i++) { | |
7f97b487 | 2762 | u8 hlid; |
170d0e67 | 2763 | if (wlvif->ap.recorded_keys[i] == NULL) |
7f179b46 AN |
2764 | break; |
2765 | ||
170d0e67 | 2766 | key = wlvif->ap.recorded_keys[i]; |
7f97b487 EP |
2767 | hlid = key->hlid; |
2768 | if (hlid == WL12XX_INVALID_LINK_ID) | |
a8ab39a4 | 2769 | hlid = wlvif->ap.bcast_hlid; |
7f97b487 | 2770 | |
a8ab39a4 | 2771 | ret = wl1271_cmd_set_ap_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
7f179b46 AN |
2772 | key->id, key->key_type, |
2773 | key->key_size, key->key, | |
7f97b487 | 2774 | hlid, key->tx_seq_32, |
7f179b46 AN |
2775 | key->tx_seq_16); |
2776 | if (ret < 0) | |
2777 | goto out; | |
2778 | ||
2779 | if (key->key_type == KEY_WEP) | |
2780 | wep_key_added = true; | |
2781 | } | |
2782 | ||
2783 | if (wep_key_added) { | |
f75c753f | 2784 | ret = wl12xx_cmd_set_default_wep_key(wl, wlvif->default_key, |
a8ab39a4 | 2785 | wlvif->ap.bcast_hlid); |
7f179b46 AN |
2786 | if (ret < 0) |
2787 | goto out; | |
2788 | } | |
2789 | ||
2790 | out: | |
170d0e67 | 2791 | wl1271_free_ap_keys(wl, wlvif); |
7f179b46 AN |
2792 | return ret; |
2793 | } | |
2794 | ||
536129c8 EP |
2795 | static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
2796 | u16 action, u8 id, u8 key_type, | |
7f179b46 AN |
2797 | u8 key_size, const u8 *key, u32 tx_seq_32, |
2798 | u16 tx_seq_16, struct ieee80211_sta *sta) | |
2799 | { | |
2800 | int ret; | |
536129c8 | 2801 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
7f179b46 | 2802 | |
3edab305 AN |
2803 | /* |
2804 | * A role set to GEM cipher requires different Tx settings (namely | |
2805 | * spare blocks). Note when we are in this mode so the HW can adjust. | |
2806 | */ | |
2807 | if (key_type == KEY_GEM) { | |
2808 | if (action == KEY_ADD_OR_REPLACE) | |
2809 | wlvif->is_gem = true; | |
2810 | else if (action == KEY_REMOVE) | |
2811 | wlvif->is_gem = false; | |
2812 | } | |
2813 | ||
7f179b46 AN |
2814 | if (is_ap) { |
2815 | struct wl1271_station *wl_sta; | |
2816 | u8 hlid; | |
2817 | ||
2818 | if (sta) { | |
2819 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
2820 | hlid = wl_sta->hlid; | |
2821 | } else { | |
a8ab39a4 | 2822 | hlid = wlvif->ap.bcast_hlid; |
7f179b46 AN |
2823 | } |
2824 | ||
53d40d0b | 2825 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
7f179b46 AN |
2826 | /* |
2827 | * We do not support removing keys after AP shutdown. | |
2828 | * Pretend we do to make mac80211 happy. | |
2829 | */ | |
2830 | if (action != KEY_ADD_OR_REPLACE) | |
2831 | return 0; | |
2832 | ||
170d0e67 | 2833 | ret = wl1271_record_ap_key(wl, wlvif, id, |
7f179b46 AN |
2834 | key_type, key_size, |
2835 | key, hlid, tx_seq_32, | |
2836 | tx_seq_16); | |
2837 | } else { | |
a8ab39a4 | 2838 | ret = wl1271_cmd_set_ap_key(wl, wlvif, action, |
7f179b46 AN |
2839 | id, key_type, key_size, |
2840 | key, hlid, tx_seq_32, | |
2841 | tx_seq_16); | |
2842 | } | |
2843 | ||
2844 | if (ret < 0) | |
2845 | return ret; | |
2846 | } else { | |
2847 | const u8 *addr; | |
2848 | static const u8 bcast_addr[ETH_ALEN] = { | |
2849 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff | |
2850 | }; | |
2851 | ||
2852 | addr = sta ? sta->addr : bcast_addr; | |
2853 | ||
2854 | if (is_zero_ether_addr(addr)) { | |
2855 | /* We dont support TX only encryption */ | |
2856 | return -EOPNOTSUPP; | |
2857 | } | |
2858 | ||
2859 | /* The wl1271 does not allow to remove unicast keys - they | |
2860 | will be cleared automatically on next CMD_JOIN. Ignore the | |
2861 | request silently, as we dont want the mac80211 to emit | |
2862 | an error message. */ | |
2863 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) | |
2864 | return 0; | |
2865 | ||
010d3d30 EP |
2866 | /* don't remove key if hlid was already deleted */ |
2867 | if (action == KEY_REMOVE && | |
154da67c | 2868 | wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) |
010d3d30 EP |
2869 | return 0; |
2870 | ||
a8ab39a4 | 2871 | ret = wl1271_cmd_set_sta_key(wl, wlvif, action, |
7f179b46 AN |
2872 | id, key_type, key_size, |
2873 | key, addr, tx_seq_32, | |
2874 | tx_seq_16); | |
2875 | if (ret < 0) | |
2876 | return ret; | |
2877 | ||
2878 | /* the default WEP key needs to be configured at least once */ | |
2879 | if (key_type == KEY_WEP) { | |
c690ec81 | 2880 | ret = wl12xx_cmd_set_default_wep_key(wl, |
f75c753f EP |
2881 | wlvif->default_key, |
2882 | wlvif->sta.hlid); | |
7f179b46 AN |
2883 | if (ret < 0) |
2884 | return ret; | |
2885 | } | |
2886 | } | |
2887 | ||
2888 | return 0; | |
2889 | } | |
2890 | ||
f5fc0f86 LC |
2891 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
2892 | struct ieee80211_vif *vif, | |
2893 | struct ieee80211_sta *sta, | |
2894 | struct ieee80211_key_conf *key_conf) | |
2895 | { | |
2896 | struct wl1271 *wl = hw->priv; | |
536129c8 | 2897 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
f5fc0f86 | 2898 | int ret; |
ac4e4ce5 JO |
2899 | u32 tx_seq_32 = 0; |
2900 | u16 tx_seq_16 = 0; | |
f5fc0f86 LC |
2901 | u8 key_type; |
2902 | ||
f5fc0f86 LC |
2903 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
2904 | ||
7f179b46 | 2905 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
f5fc0f86 | 2906 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", |
97359d12 | 2907 | key_conf->cipher, key_conf->keyidx, |
f5fc0f86 LC |
2908 | key_conf->keylen, key_conf->flags); |
2909 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
2910 | ||
f5fc0f86 LC |
2911 | mutex_lock(&wl->mutex); |
2912 | ||
f8d9802f JO |
2913 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
2914 | ret = -EAGAIN; | |
2915 | goto out_unlock; | |
2916 | } | |
2917 | ||
a620865e | 2918 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
2919 | if (ret < 0) |
2920 | goto out_unlock; | |
2921 | ||
97359d12 JB |
2922 | switch (key_conf->cipher) { |
2923 | case WLAN_CIPHER_SUITE_WEP40: | |
2924 | case WLAN_CIPHER_SUITE_WEP104: | |
f5fc0f86 LC |
2925 | key_type = KEY_WEP; |
2926 | ||
2927 | key_conf->hw_key_idx = key_conf->keyidx; | |
2928 | break; | |
97359d12 | 2929 | case WLAN_CIPHER_SUITE_TKIP: |
f5fc0f86 LC |
2930 | key_type = KEY_TKIP; |
2931 | ||
2932 | key_conf->hw_key_idx = key_conf->keyidx; | |
48e93e40 EP |
2933 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq); |
2934 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq); | |
f5fc0f86 | 2935 | break; |
97359d12 | 2936 | case WLAN_CIPHER_SUITE_CCMP: |
f5fc0f86 LC |
2937 | key_type = KEY_AES; |
2938 | ||
12d4b975 | 2939 | key_conf->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; |
48e93e40 EP |
2940 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq); |
2941 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq); | |
f5fc0f86 | 2942 | break; |
7a55724e JO |
2943 | case WL1271_CIPHER_SUITE_GEM: |
2944 | key_type = KEY_GEM; | |
48e93e40 EP |
2945 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq); |
2946 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq); | |
7a55724e | 2947 | break; |
f5fc0f86 | 2948 | default: |
97359d12 | 2949 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
f5fc0f86 LC |
2950 | |
2951 | ret = -EOPNOTSUPP; | |
2952 | goto out_sleep; | |
2953 | } | |
2954 | ||
2955 | switch (cmd) { | |
2956 | case SET_KEY: | |
536129c8 | 2957 | ret = wl1271_set_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
7f179b46 AN |
2958 | key_conf->keyidx, key_type, |
2959 | key_conf->keylen, key_conf->key, | |
2960 | tx_seq_32, tx_seq_16, sta); | |
f5fc0f86 LC |
2961 | if (ret < 0) { |
2962 | wl1271_error("Could not add or replace key"); | |
2963 | goto out_sleep; | |
2964 | } | |
5ec8a448 EP |
2965 | |
2966 | /* | |
2967 | * reconfiguring arp response if the unicast (or common) | |
2968 | * encryption key type was changed | |
2969 | */ | |
2970 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
2971 | (sta || key_type == KEY_WEP) && | |
2972 | wlvif->encryption_type != key_type) { | |
2973 | wlvif->encryption_type = key_type; | |
2974 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); | |
2975 | if (ret < 0) { | |
2976 | wl1271_warning("build arp rsp failed: %d", ret); | |
2977 | goto out_sleep; | |
2978 | } | |
2979 | } | |
f5fc0f86 LC |
2980 | break; |
2981 | ||
2982 | case DISABLE_KEY: | |
536129c8 | 2983 | ret = wl1271_set_key(wl, wlvif, KEY_REMOVE, |
7f179b46 AN |
2984 | key_conf->keyidx, key_type, |
2985 | key_conf->keylen, key_conf->key, | |
2986 | 0, 0, sta); | |
f5fc0f86 LC |
2987 | if (ret < 0) { |
2988 | wl1271_error("Could not remove key"); | |
2989 | goto out_sleep; | |
2990 | } | |
2991 | break; | |
2992 | ||
2993 | default: | |
2994 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
2995 | ret = -EOPNOTSUPP; | |
f5fc0f86 LC |
2996 | break; |
2997 | } | |
2998 | ||
2999 | out_sleep: | |
3000 | wl1271_ps_elp_sleep(wl); | |
3001 | ||
3002 | out_unlock: | |
3003 | mutex_unlock(&wl->mutex); | |
3004 | ||
f5fc0f86 LC |
3005 | return ret; |
3006 | } | |
3007 | ||
3008 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, | |
a060bbfe | 3009 | struct ieee80211_vif *vif, |
f5fc0f86 LC |
3010 | struct cfg80211_scan_request *req) |
3011 | { | |
3012 | struct wl1271 *wl = hw->priv; | |
3013 | int ret; | |
3014 | u8 *ssid = NULL; | |
abb0b3bf | 3015 | size_t len = 0; |
f5fc0f86 LC |
3016 | |
3017 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
3018 | ||
3019 | if (req->n_ssids) { | |
3020 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 3021 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
3022 | } |
3023 | ||
3024 | mutex_lock(&wl->mutex); | |
3025 | ||
b739a42c JO |
3026 | if (wl->state == WL1271_STATE_OFF) { |
3027 | /* | |
3028 | * We cannot return -EBUSY here because cfg80211 will expect | |
3029 | * a call to ieee80211_scan_completed if we do - in this case | |
3030 | * there won't be any call. | |
3031 | */ | |
3032 | ret = -EAGAIN; | |
3033 | goto out; | |
3034 | } | |
3035 | ||
a620865e | 3036 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
3037 | if (ret < 0) |
3038 | goto out; | |
3039 | ||
97fd311a EP |
3040 | /* fail if there is any role in ROC */ |
3041 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) < WL12XX_MAX_ROLES) { | |
92e712da EP |
3042 | /* don't allow scanning right now */ |
3043 | ret = -EBUSY; | |
3044 | goto out_sleep; | |
3045 | } | |
3046 | ||
784f694d | 3047 | ret = wl1271_scan(hw->priv, vif, ssid, len, req); |
251c177f | 3048 | out_sleep: |
f5fc0f86 | 3049 | wl1271_ps_elp_sleep(wl); |
f5fc0f86 LC |
3050 | out: |
3051 | mutex_unlock(&wl->mutex); | |
3052 | ||
3053 | return ret; | |
3054 | } | |
3055 | ||
73ecce31 EP |
3056 | static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, |
3057 | struct ieee80211_vif *vif) | |
3058 | { | |
3059 | struct wl1271 *wl = hw->priv; | |
3060 | int ret; | |
3061 | ||
3062 | wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan"); | |
3063 | ||
3064 | mutex_lock(&wl->mutex); | |
3065 | ||
3066 | if (wl->state == WL1271_STATE_OFF) | |
3067 | goto out; | |
3068 | ||
3069 | if (wl->scan.state == WL1271_SCAN_STATE_IDLE) | |
3070 | goto out; | |
3071 | ||
3072 | ret = wl1271_ps_elp_wakeup(wl); | |
3073 | if (ret < 0) | |
3074 | goto out; | |
3075 | ||
3076 | if (wl->scan.state != WL1271_SCAN_STATE_DONE) { | |
3077 | ret = wl1271_scan_stop(wl); | |
3078 | if (ret < 0) | |
3079 | goto out_sleep; | |
3080 | } | |
55df5afb AN |
3081 | |
3082 | /* | |
3083 | * Rearm the tx watchdog just before idling scan. This | |
3084 | * prevents just-finished scans from triggering the watchdog | |
3085 | */ | |
3086 | wl12xx_rearm_tx_watchdog_locked(wl); | |
3087 | ||
73ecce31 EP |
3088 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
3089 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); | |
784f694d | 3090 | wl->scan_vif = NULL; |
73ecce31 EP |
3091 | wl->scan.req = NULL; |
3092 | ieee80211_scan_completed(wl->hw, true); | |
3093 | ||
3094 | out_sleep: | |
3095 | wl1271_ps_elp_sleep(wl); | |
3096 | out: | |
3097 | mutex_unlock(&wl->mutex); | |
3098 | ||
3099 | cancel_delayed_work_sync(&wl->scan_complete_work); | |
3100 | } | |
3101 | ||
33c2c06c LC |
3102 | static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, |
3103 | struct ieee80211_vif *vif, | |
3104 | struct cfg80211_sched_scan_request *req, | |
3105 | struct ieee80211_sched_scan_ies *ies) | |
3106 | { | |
3107 | struct wl1271 *wl = hw->priv; | |
536129c8 | 3108 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
33c2c06c LC |
3109 | int ret; |
3110 | ||
3111 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_start"); | |
3112 | ||
3113 | mutex_lock(&wl->mutex); | |
3114 | ||
9e0dc890 PF |
3115 | if (wl->state == WL1271_STATE_OFF) { |
3116 | ret = -EAGAIN; | |
3117 | goto out; | |
3118 | } | |
3119 | ||
33c2c06c LC |
3120 | ret = wl1271_ps_elp_wakeup(wl); |
3121 | if (ret < 0) | |
3122 | goto out; | |
3123 | ||
536129c8 | 3124 | ret = wl1271_scan_sched_scan_config(wl, wlvif, req, ies); |
33c2c06c LC |
3125 | if (ret < 0) |
3126 | goto out_sleep; | |
3127 | ||
536129c8 | 3128 | ret = wl1271_scan_sched_scan_start(wl, wlvif); |
33c2c06c LC |
3129 | if (ret < 0) |
3130 | goto out_sleep; | |
3131 | ||
3132 | wl->sched_scanning = true; | |
3133 | ||
3134 | out_sleep: | |
3135 | wl1271_ps_elp_sleep(wl); | |
3136 | out: | |
3137 | mutex_unlock(&wl->mutex); | |
3138 | return ret; | |
3139 | } | |
3140 | ||
3141 | static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, | |
3142 | struct ieee80211_vif *vif) | |
3143 | { | |
3144 | struct wl1271 *wl = hw->priv; | |
3145 | int ret; | |
3146 | ||
3147 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); | |
3148 | ||
3149 | mutex_lock(&wl->mutex); | |
3150 | ||
9e0dc890 PF |
3151 | if (wl->state == WL1271_STATE_OFF) |
3152 | goto out; | |
3153 | ||
33c2c06c LC |
3154 | ret = wl1271_ps_elp_wakeup(wl); |
3155 | if (ret < 0) | |
3156 | goto out; | |
3157 | ||
3158 | wl1271_scan_sched_scan_stop(wl); | |
3159 | ||
3160 | wl1271_ps_elp_sleep(wl); | |
3161 | out: | |
3162 | mutex_unlock(&wl->mutex); | |
3163 | } | |
3164 | ||
68d069c4 AN |
3165 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
3166 | { | |
3167 | struct wl1271 *wl = hw->priv; | |
3168 | int ret = 0; | |
3169 | ||
3170 | mutex_lock(&wl->mutex); | |
3171 | ||
3172 | if (unlikely(wl->state == WL1271_STATE_OFF)) { | |
3173 | ret = -EAGAIN; | |
3174 | goto out; | |
3175 | } | |
3176 | ||
a620865e | 3177 | ret = wl1271_ps_elp_wakeup(wl); |
68d069c4 AN |
3178 | if (ret < 0) |
3179 | goto out; | |
3180 | ||
5f704d18 | 3181 | ret = wl1271_acx_frag_threshold(wl, value); |
68d069c4 AN |
3182 | if (ret < 0) |
3183 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); | |
3184 | ||
3185 | wl1271_ps_elp_sleep(wl); | |
3186 | ||
3187 | out: | |
3188 | mutex_unlock(&wl->mutex); | |
3189 | ||
3190 | return ret; | |
3191 | } | |
3192 | ||
f5fc0f86 LC |
3193 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
3194 | { | |
3195 | struct wl1271 *wl = hw->priv; | |
6e8cd331 | 3196 | struct wl12xx_vif *wlvif; |
aecb0565 | 3197 | int ret = 0; |
f5fc0f86 LC |
3198 | |
3199 | mutex_lock(&wl->mutex); | |
3200 | ||
f8d9802f JO |
3201 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
3202 | ret = -EAGAIN; | |
aecb0565 | 3203 | goto out; |
f8d9802f | 3204 | } |
aecb0565 | 3205 | |
a620865e | 3206 | ret = wl1271_ps_elp_wakeup(wl); |
f5fc0f86 LC |
3207 | if (ret < 0) |
3208 | goto out; | |
3209 | ||
6e8cd331 EP |
3210 | wl12xx_for_each_wlvif(wl, wlvif) { |
3211 | ret = wl1271_acx_rts_threshold(wl, wlvif, value); | |
3212 | if (ret < 0) | |
3213 | wl1271_warning("set rts threshold failed: %d", ret); | |
3214 | } | |
f5fc0f86 LC |
3215 | wl1271_ps_elp_sleep(wl); |
3216 | ||
3217 | out: | |
3218 | mutex_unlock(&wl->mutex); | |
3219 | ||
3220 | return ret; | |
3221 | } | |
3222 | ||
1fe9f161 | 3223 | static int wl1271_ssid_set(struct ieee80211_vif *vif, struct sk_buff *skb, |
2f6724b2 | 3224 | int offset) |
30240fc7 | 3225 | { |
1fe9f161 | 3226 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
889cb360 EP |
3227 | u8 ssid_len; |
3228 | const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, | |
3229 | skb->len - offset); | |
30240fc7 | 3230 | |
889cb360 EP |
3231 | if (!ptr) { |
3232 | wl1271_error("No SSID in IEs!"); | |
3233 | return -ENOENT; | |
3234 | } | |
3235 | ||
3236 | ssid_len = ptr[1]; | |
3237 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { | |
3238 | wl1271_error("SSID is too long!"); | |
3239 | return -EINVAL; | |
30240fc7 | 3240 | } |
e78a287a | 3241 | |
1fe9f161 EP |
3242 | wlvif->ssid_len = ssid_len; |
3243 | memcpy(wlvif->ssid, ptr+2, ssid_len); | |
889cb360 | 3244 | return 0; |
30240fc7 JO |
3245 | } |
3246 | ||
d48055d9 EP |
3247 | static void wl12xx_remove_ie(struct sk_buff *skb, u8 eid, int ieoffset) |
3248 | { | |
3249 | int len; | |
3250 | const u8 *next, *end = skb->data + skb->len; | |
3251 | u8 *ie = (u8 *)cfg80211_find_ie(eid, skb->data + ieoffset, | |
3252 | skb->len - ieoffset); | |
3253 | if (!ie) | |
3254 | return; | |
3255 | len = ie[1] + 2; | |
3256 | next = ie + len; | |
3257 | memmove(ie, next, end - next); | |
3258 | skb_trim(skb, skb->len - len); | |
3259 | } | |
3260 | ||
26b4bf2e EP |
3261 | static void wl12xx_remove_vendor_ie(struct sk_buff *skb, |
3262 | unsigned int oui, u8 oui_type, | |
3263 | int ieoffset) | |
3264 | { | |
3265 | int len; | |
3266 | const u8 *next, *end = skb->data + skb->len; | |
3267 | u8 *ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, | |
3268 | skb->data + ieoffset, | |
3269 | skb->len - ieoffset); | |
3270 | if (!ie) | |
3271 | return; | |
3272 | len = ie[1] + 2; | |
3273 | next = ie + len; | |
3274 | memmove(ie, next, end - next); | |
3275 | skb_trim(skb, skb->len - len); | |
3276 | } | |
3277 | ||
341f2c11 AN |
3278 | static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates, |
3279 | struct ieee80211_vif *vif) | |
560f0024 | 3280 | { |
cdaac628 | 3281 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
560f0024 AN |
3282 | struct sk_buff *skb; |
3283 | int ret; | |
3284 | ||
341f2c11 | 3285 | skb = ieee80211_proberesp_get(wl->hw, vif); |
560f0024 | 3286 | if (!skb) |
341f2c11 | 3287 | return -EOPNOTSUPP; |
560f0024 | 3288 | |
cdaac628 | 3289 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
560f0024 AN |
3290 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3291 | skb->data, | |
3292 | skb->len, 0, | |
3293 | rates); | |
560f0024 | 3294 | dev_kfree_skb(skb); |
62c2e579 LC |
3295 | |
3296 | if (ret < 0) | |
3297 | goto out; | |
3298 | ||
3299 | wl1271_debug(DEBUG_AP, "probe response updated"); | |
3300 | set_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags); | |
3301 | ||
3302 | out: | |
560f0024 AN |
3303 | return ret; |
3304 | } | |
3305 | ||
3306 | static int wl1271_ap_set_probe_resp_tmpl_legacy(struct wl1271 *wl, | |
3307 | struct ieee80211_vif *vif, | |
3308 | u8 *probe_rsp_data, | |
3309 | size_t probe_rsp_len, | |
3310 | u32 rates) | |
68eaaf6e | 3311 | { |
1fe9f161 EP |
3312 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
3313 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
68eaaf6e AN |
3314 | u8 probe_rsp_templ[WL1271_CMD_TEMPL_MAX_SIZE]; |
3315 | int ssid_ie_offset, ie_offset, templ_len; | |
3316 | const u8 *ptr; | |
3317 | ||
3318 | /* no need to change probe response if the SSID is set correctly */ | |
1fe9f161 | 3319 | if (wlvif->ssid_len > 0) |
cdaac628 | 3320 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
68eaaf6e AN |
3321 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3322 | probe_rsp_data, | |
3323 | probe_rsp_len, 0, | |
3324 | rates); | |
3325 | ||
3326 | if (probe_rsp_len + bss_conf->ssid_len > WL1271_CMD_TEMPL_MAX_SIZE) { | |
3327 | wl1271_error("probe_rsp template too big"); | |
3328 | return -EINVAL; | |
3329 | } | |
3330 | ||
3331 | /* start searching from IE offset */ | |
3332 | ie_offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); | |
3333 | ||
3334 | ptr = cfg80211_find_ie(WLAN_EID_SSID, probe_rsp_data + ie_offset, | |
3335 | probe_rsp_len - ie_offset); | |
3336 | if (!ptr) { | |
3337 | wl1271_error("No SSID in beacon!"); | |
3338 | return -EINVAL; | |
3339 | } | |
3340 | ||
3341 | ssid_ie_offset = ptr - probe_rsp_data; | |
3342 | ptr += (ptr[1] + 2); | |
3343 | ||
3344 | memcpy(probe_rsp_templ, probe_rsp_data, ssid_ie_offset); | |
3345 | ||
3346 | /* insert SSID from bss_conf */ | |
3347 | probe_rsp_templ[ssid_ie_offset] = WLAN_EID_SSID; | |
3348 | probe_rsp_templ[ssid_ie_offset + 1] = bss_conf->ssid_len; | |
3349 | memcpy(probe_rsp_templ + ssid_ie_offset + 2, | |
3350 | bss_conf->ssid, bss_conf->ssid_len); | |
3351 | templ_len = ssid_ie_offset + 2 + bss_conf->ssid_len; | |
3352 | ||
3353 | memcpy(probe_rsp_templ + ssid_ie_offset + 2 + bss_conf->ssid_len, | |
3354 | ptr, probe_rsp_len - (ptr - probe_rsp_data)); | |
3355 | templ_len += probe_rsp_len - (ptr - probe_rsp_data); | |
3356 | ||
cdaac628 | 3357 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
68eaaf6e AN |
3358 | CMD_TEMPL_AP_PROBE_RESPONSE, |
3359 | probe_rsp_templ, | |
3360 | templ_len, 0, | |
3361 | rates); | |
3362 | } | |
3363 | ||
e78a287a | 3364 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
0603d891 | 3365 | struct ieee80211_vif *vif, |
f5fc0f86 LC |
3366 | struct ieee80211_bss_conf *bss_conf, |
3367 | u32 changed) | |
3368 | { | |
0603d891 | 3369 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e78a287a | 3370 | int ret = 0; |
f5fc0f86 | 3371 | |
e78a287a AN |
3372 | if (changed & BSS_CHANGED_ERP_SLOT) { |
3373 | if (bss_conf->use_short_slot) | |
0603d891 | 3374 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_SHORT); |
e78a287a | 3375 | else |
0603d891 | 3376 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_LONG); |
e78a287a AN |
3377 | if (ret < 0) { |
3378 | wl1271_warning("Set slot time failed %d", ret); | |
3379 | goto out; | |
3380 | } | |
3381 | } | |
f5fc0f86 | 3382 | |
e78a287a AN |
3383 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
3384 | if (bss_conf->use_short_preamble) | |
0603d891 | 3385 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_SHORT); |
e78a287a | 3386 | else |
0603d891 | 3387 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_LONG); |
e78a287a | 3388 | } |
f5fc0f86 | 3389 | |
e78a287a AN |
3390 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
3391 | if (bss_conf->use_cts_prot) | |
0603d891 EP |
3392 | ret = wl1271_acx_cts_protect(wl, wlvif, |
3393 | CTSPROTECT_ENABLE); | |
e78a287a | 3394 | else |
0603d891 EP |
3395 | ret = wl1271_acx_cts_protect(wl, wlvif, |
3396 | CTSPROTECT_DISABLE); | |
e78a287a AN |
3397 | if (ret < 0) { |
3398 | wl1271_warning("Set ctsprotect failed %d", ret); | |
3399 | goto out; | |
3400 | } | |
3401 | } | |
f8d9802f | 3402 | |
e78a287a AN |
3403 | out: |
3404 | return ret; | |
3405 | } | |
f5fc0f86 | 3406 | |
62c2e579 LC |
3407 | static int wlcore_set_beacon_template(struct wl1271 *wl, |
3408 | struct ieee80211_vif *vif, | |
3409 | bool is_ap) | |
3410 | { | |
3411 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
3412 | struct ieee80211_hdr *hdr; | |
3413 | u32 min_rate; | |
3414 | int ret; | |
3415 | int ieoffset = offsetof(struct ieee80211_mgmt, | |
3416 | u.beacon.variable); | |
3417 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); | |
3418 | u16 tmpl_id; | |
3419 | ||
3420 | if (!beacon) { | |
3421 | ret = -EINVAL; | |
3422 | goto out; | |
3423 | } | |
3424 | ||
3425 | wl1271_debug(DEBUG_MASTER, "beacon updated"); | |
3426 | ||
3427 | ret = wl1271_ssid_set(vif, beacon, ieoffset); | |
3428 | if (ret < 0) { | |
3429 | dev_kfree_skb(beacon); | |
3430 | goto out; | |
3431 | } | |
3432 | min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
3433 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : | |
3434 | CMD_TEMPL_BEACON; | |
3435 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id, | |
3436 | beacon->data, | |
3437 | beacon->len, 0, | |
3438 | min_rate); | |
3439 | if (ret < 0) { | |
3440 | dev_kfree_skb(beacon); | |
3441 | goto out; | |
3442 | } | |
3443 | ||
3444 | /* | |
3445 | * In case we already have a probe-resp beacon set explicitly | |
3446 | * by usermode, don't use the beacon data. | |
3447 | */ | |
3448 | if (test_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags)) | |
3449 | goto end_bcn; | |
3450 | ||
3451 | /* remove TIM ie from probe response */ | |
3452 | wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); | |
3453 | ||
3454 | /* | |
3455 | * remove p2p ie from probe response. | |
3456 | * the fw reponds to probe requests that don't include | |
3457 | * the p2p ie. probe requests with p2p ie will be passed, | |
3458 | * and will be responded by the supplicant (the spec | |
3459 | * forbids including the p2p ie when responding to probe | |
3460 | * requests that didn't include it). | |
3461 | */ | |
3462 | wl12xx_remove_vendor_ie(beacon, WLAN_OUI_WFA, | |
3463 | WLAN_OUI_TYPE_WFA_P2P, ieoffset); | |
3464 | ||
3465 | hdr = (struct ieee80211_hdr *) beacon->data; | |
3466 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
3467 | IEEE80211_STYPE_PROBE_RESP); | |
3468 | if (is_ap) | |
3469 | ret = wl1271_ap_set_probe_resp_tmpl_legacy(wl, vif, | |
3470 | beacon->data, | |
3471 | beacon->len, | |
3472 | min_rate); | |
3473 | else | |
3474 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, | |
3475 | CMD_TEMPL_PROBE_RESPONSE, | |
3476 | beacon->data, | |
3477 | beacon->len, 0, | |
3478 | min_rate); | |
3479 | end_bcn: | |
3480 | dev_kfree_skb(beacon); | |
3481 | if (ret < 0) | |
3482 | goto out; | |
3483 | ||
3484 | out: | |
3485 | return ret; | |
3486 | } | |
3487 | ||
e78a287a AN |
3488 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
3489 | struct ieee80211_vif *vif, | |
3490 | struct ieee80211_bss_conf *bss_conf, | |
3491 | u32 changed) | |
3492 | { | |
87fbcb0f | 3493 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
536129c8 | 3494 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
e78a287a AN |
3495 | int ret = 0; |
3496 | ||
3497 | if ((changed & BSS_CHANGED_BEACON_INT)) { | |
3498 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", | |
60e84c2e JO |
3499 | bss_conf->beacon_int); |
3500 | ||
6a899796 | 3501 | wlvif->beacon_int = bss_conf->beacon_int; |
60e84c2e JO |
3502 | } |
3503 | ||
560f0024 AN |
3504 | if ((changed & BSS_CHANGED_AP_PROBE_RESP) && is_ap) { |
3505 | u32 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
62c2e579 LC |
3506 | |
3507 | wl1271_ap_set_probe_resp_tmpl(wl, rate, vif); | |
560f0024 AN |
3508 | } |
3509 | ||
e78a287a | 3510 | if ((changed & BSS_CHANGED_BEACON)) { |
62c2e579 | 3511 | ret = wlcore_set_beacon_template(wl, vif, is_ap); |
e78a287a AN |
3512 | if (ret < 0) |
3513 | goto out; | |
3514 | } | |
3515 | ||
3516 | out: | |
560f0024 AN |
3517 | if (ret != 0) |
3518 | wl1271_error("beacon info change failed: %d", ret); | |
e78a287a AN |
3519 | return ret; |
3520 | } | |
3521 | ||
3522 | /* AP mode changes */ | |
3523 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, | |
3524 | struct ieee80211_vif *vif, | |
3525 | struct ieee80211_bss_conf *bss_conf, | |
3526 | u32 changed) | |
3527 | { | |
87fbcb0f | 3528 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e78a287a | 3529 | int ret = 0; |
e0d8bbf0 | 3530 | |
e78a287a AN |
3531 | if ((changed & BSS_CHANGED_BASIC_RATES)) { |
3532 | u32 rates = bss_conf->basic_rates; | |
5da11dcd | 3533 | |
87fbcb0f | 3534 | wlvif->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates, |
1b92f15e | 3535 | wlvif->band); |
d2d66c56 | 3536 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, |
87fbcb0f | 3537 | wlvif->basic_rate_set); |
70f47424 | 3538 | |
87fbcb0f | 3539 | ret = wl1271_init_ap_rates(wl, wlvif); |
e78a287a | 3540 | if (ret < 0) { |
70f47424 | 3541 | wl1271_error("AP rate policy change failed %d", ret); |
e78a287a AN |
3542 | goto out; |
3543 | } | |
c45a85b5 | 3544 | |
784f694d | 3545 | ret = wl1271_ap_init_templates(wl, vif); |
c45a85b5 AN |
3546 | if (ret < 0) |
3547 | goto out; | |
62c2e579 LC |
3548 | |
3549 | ret = wl1271_ap_set_probe_resp_tmpl(wl, wlvif->basic_rate, vif); | |
3550 | if (ret < 0) | |
3551 | goto out; | |
3552 | ||
3553 | ret = wlcore_set_beacon_template(wl, vif, true); | |
3554 | if (ret < 0) | |
3555 | goto out; | |
e78a287a | 3556 | } |
2f6724b2 | 3557 | |
e78a287a AN |
3558 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
3559 | if (ret < 0) | |
3560 | goto out; | |
30240fc7 | 3561 | |
e78a287a AN |
3562 | if ((changed & BSS_CHANGED_BEACON_ENABLED)) { |
3563 | if (bss_conf->enable_beacon) { | |
53d40d0b | 3564 | if (!test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
87fbcb0f | 3565 | ret = wl12xx_cmd_role_start_ap(wl, wlvif); |
e78a287a AN |
3566 | if (ret < 0) |
3567 | goto out; | |
e0d8bbf0 | 3568 | |
a8ab39a4 | 3569 | ret = wl1271_ap_init_hwenc(wl, wlvif); |
7f179b46 AN |
3570 | if (ret < 0) |
3571 | goto out; | |
cf42039f | 3572 | |
53d40d0b | 3573 | set_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
cf42039f | 3574 | wl1271_debug(DEBUG_AP, "started AP"); |
e0d8bbf0 | 3575 | } |
e78a287a | 3576 | } else { |
53d40d0b | 3577 | if (test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) { |
0603d891 | 3578 | ret = wl12xx_cmd_role_stop_ap(wl, wlvif); |
e78a287a AN |
3579 | if (ret < 0) |
3580 | goto out; | |
e0d8bbf0 | 3581 | |
53d40d0b | 3582 | clear_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags); |
560f0024 AN |
3583 | clear_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, |
3584 | &wlvif->flags); | |
e78a287a AN |
3585 | wl1271_debug(DEBUG_AP, "stopped AP"); |
3586 | } | |
3587 | } | |
3588 | } | |
e0d8bbf0 | 3589 | |
0603d891 | 3590 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
e78a287a AN |
3591 | if (ret < 0) |
3592 | goto out; | |
0b932ab9 AN |
3593 | |
3594 | /* Handle HT information change */ | |
3595 | if ((changed & BSS_CHANGED_HT) && | |
3596 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { | |
0603d891 | 3597 | ret = wl1271_acx_set_ht_information(wl, wlvif, |
0b932ab9 AN |
3598 | bss_conf->ht_operation_mode); |
3599 | if (ret < 0) { | |
3600 | wl1271_warning("Set ht information failed %d", ret); | |
3601 | goto out; | |
3602 | } | |
3603 | } | |
3604 | ||
e78a287a AN |
3605 | out: |
3606 | return; | |
3607 | } | |
8bf29b0e | 3608 | |
e78a287a AN |
3609 | /* STA/IBSS mode changes */ |
3610 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, | |
3611 | struct ieee80211_vif *vif, | |
3612 | struct ieee80211_bss_conf *bss_conf, | |
3613 | u32 changed) | |
3614 | { | |
87fbcb0f | 3615 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
e78a287a | 3616 | bool do_join = false, set_assoc = false; |
536129c8 | 3617 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
227e81e1 | 3618 | bool ibss_joined = false; |
72c2d9e5 | 3619 | u32 sta_rate_set = 0; |
e78a287a | 3620 | int ret; |
2d6e4e76 | 3621 | struct ieee80211_sta *sta; |
a100885d AN |
3622 | bool sta_exists = false; |
3623 | struct ieee80211_sta_ht_cap sta_ht_cap; | |
e78a287a AN |
3624 | |
3625 | if (is_ibss) { | |
3626 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, | |
3627 | changed); | |
3628 | if (ret < 0) | |
3629 | goto out; | |
e0d8bbf0 JO |
3630 | } |
3631 | ||
227e81e1 EP |
3632 | if (changed & BSS_CHANGED_IBSS) { |
3633 | if (bss_conf->ibss_joined) { | |
eee514e3 | 3634 | set_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags); |
227e81e1 EP |
3635 | ibss_joined = true; |
3636 | } else { | |
eee514e3 | 3637 | if (test_and_clear_bit(WLVIF_FLAG_IBSS_JOINED, |
349345a4 | 3638 | &wlvif->flags)) |
0603d891 | 3639 | wl1271_unjoin(wl, wlvif); |
227e81e1 EP |
3640 | } |
3641 | } | |
3642 | ||
3643 | if ((changed & BSS_CHANGED_BEACON_INT) && ibss_joined) | |
e78a287a AN |
3644 | do_join = true; |
3645 | ||
3646 | /* Need to update the SSID (for filtering etc) */ | |
227e81e1 | 3647 | if ((changed & BSS_CHANGED_BEACON) && ibss_joined) |
e78a287a AN |
3648 | do_join = true; |
3649 | ||
227e81e1 | 3650 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && ibss_joined) { |
5da11dcd JO |
3651 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
3652 | bss_conf->enable_beacon ? "enabled" : "disabled"); | |
3653 | ||
5da11dcd JO |
3654 | do_join = true; |
3655 | } | |
3656 | ||
349345a4 | 3657 | if (changed & BSS_CHANGED_IDLE && !is_ibss) { |
c31e4946 EP |
3658 | ret = wl1271_sta_handle_idle(wl, wlvif, bss_conf->idle); |
3659 | if (ret < 0) | |
3660 | wl1271_warning("idle mode change failed %d", ret); | |
3661 | } | |
3662 | ||
e78a287a | 3663 | if ((changed & BSS_CHANGED_CQM)) { |
00236aed JO |
3664 | bool enable = false; |
3665 | if (bss_conf->cqm_rssi_thold) | |
3666 | enable = true; | |
0603d891 | 3667 | ret = wl1271_acx_rssi_snr_trigger(wl, wlvif, enable, |
00236aed JO |
3668 | bss_conf->cqm_rssi_thold, |
3669 | bss_conf->cqm_rssi_hyst); | |
3670 | if (ret < 0) | |
3671 | goto out; | |
04324d99 | 3672 | wlvif->rssi_thold = bss_conf->cqm_rssi_thold; |
00236aed JO |
3673 | } |
3674 | ||
446f5ca1 | 3675 | if (changed & BSS_CHANGED_BSSID) |
cdf09495 | 3676 | if (!is_zero_ether_addr(bss_conf->bssid)) { |
d2d66c56 | 3677 | ret = wl12xx_cmd_build_null_data(wl, wlvif); |
fa287b8f EP |
3678 | if (ret < 0) |
3679 | goto out; | |
30240fc7 | 3680 | |
784f694d | 3681 | ret = wl1271_build_qos_null_data(wl, vif); |
fa287b8f EP |
3682 | if (ret < 0) |
3683 | goto out; | |
fa287b8f | 3684 | } |
30240fc7 | 3685 | |
0f9c8250 AN |
3686 | if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_HT)) { |
3687 | rcu_read_lock(); | |
3688 | sta = ieee80211_find_sta(vif, bss_conf->bssid); | |
3689 | if (!sta) | |
3690 | goto sta_not_found; | |
3691 | ||
72c2d9e5 EP |
3692 | /* save the supp_rates of the ap */ |
3693 | sta_rate_set = sta->supp_rates[wl->hw->conf.channel->band]; | |
3694 | if (sta->ht_cap.ht_supported) | |
3695 | sta_rate_set |= | |
b3a47ee0 AN |
3696 | (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | |
3697 | (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); | |
a100885d AN |
3698 | sta_ht_cap = sta->ht_cap; |
3699 | sta_exists = true; | |
72c2d9e5 | 3700 | |
0f9c8250 AN |
3701 | sta_not_found: |
3702 | rcu_read_unlock(); | |
72c2d9e5 | 3703 | } |
72c2d9e5 | 3704 | |
e78a287a | 3705 | if ((changed & BSS_CHANGED_ASSOC)) { |
f5fc0f86 | 3706 | if (bss_conf->assoc) { |
ebba60c6 | 3707 | u32 rates; |
2f6724b2 | 3708 | int ieoffset; |
6840e37a | 3709 | wlvif->aid = bss_conf->aid; |
83d08d3f | 3710 | wlvif->channel_type = bss_conf->channel_type; |
6667776d | 3711 | wlvif->beacon_int = bss_conf->beacon_int; |
446f5ca1 | 3712 | do_join = true; |
69e5434c | 3713 | set_assoc = true; |
f5fc0f86 | 3714 | |
ebba60c6 JO |
3715 | /* |
3716 | * use basic rates from AP, and determine lowest rate | |
3717 | * to use with control frames. | |
3718 | */ | |
3719 | rates = bss_conf->basic_rates; | |
87fbcb0f | 3720 | wlvif->basic_rate_set = |
af7fbb28 | 3721 | wl1271_tx_enabled_rates_get(wl, rates, |
1b92f15e | 3722 | wlvif->band); |
d2d66c56 | 3723 | wlvif->basic_rate = |
87fbcb0f EP |
3724 | wl1271_tx_min_rate_get(wl, |
3725 | wlvif->basic_rate_set); | |
72c2d9e5 | 3726 | if (sta_rate_set) |
30d0c8fd EP |
3727 | wlvif->rate_set = |
3728 | wl1271_tx_enabled_rates_get(wl, | |
af7fbb28 | 3729 | sta_rate_set, |
1b92f15e | 3730 | wlvif->band); |
30d0c8fd | 3731 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
ebba60c6 | 3732 | if (ret < 0) |
e78a287a | 3733 | goto out; |
ebba60c6 | 3734 | |
ae751bab LC |
3735 | /* |
3736 | * with wl1271, we don't need to update the | |
3737 | * beacon_int and dtim_period, because the firmware | |
3738 | * updates it by itself when the first beacon is | |
3739 | * received after a join. | |
3740 | */ | |
6840e37a | 3741 | ret = wl1271_cmd_build_ps_poll(wl, wlvif, wlvif->aid); |
f5fc0f86 | 3742 | if (ret < 0) |
e78a287a | 3743 | goto out; |
f5fc0f86 | 3744 | |
c2b2d99b | 3745 | /* |
2f6724b2 | 3746 | * Get a template for hardware connection maintenance |
c2b2d99b | 3747 | */ |
bddb29b8 EP |
3748 | dev_kfree_skb(wlvif->probereq); |
3749 | wlvif->probereq = wl1271_cmd_build_ap_probe_req(wl, | |
83587505 | 3750 | wlvif, |
bddb29b8 | 3751 | NULL); |
2f6724b2 JO |
3752 | ieoffset = offsetof(struct ieee80211_mgmt, |
3753 | u.probe_req.variable); | |
bddb29b8 | 3754 | wl1271_ssid_set(vif, wlvif->probereq, ieoffset); |
c2b2d99b | 3755 | |
6ccbb92e | 3756 | /* enable the connection monitoring feature */ |
0603d891 | 3757 | ret = wl1271_acx_conn_monit_params(wl, wlvif, true); |
f5fc0f86 | 3758 | if (ret < 0) |
e78a287a | 3759 | goto out; |
d94cd297 JO |
3760 | } else { |
3761 | /* use defaults when not associated */ | |
30df14d0 | 3762 | bool was_assoc = |
ba8447f6 EP |
3763 | !!test_and_clear_bit(WLVIF_FLAG_STA_ASSOCIATED, |
3764 | &wlvif->flags); | |
251c177f | 3765 | bool was_ifup = |
8181aecc EP |
3766 | !!test_and_clear_bit(WLVIF_FLAG_STA_STATE_SENT, |
3767 | &wlvif->flags); | |
6840e37a | 3768 | wlvif->aid = 0; |
6ccbb92e | 3769 | |
2f6724b2 | 3770 | /* free probe-request template */ |
bddb29b8 EP |
3771 | dev_kfree_skb(wlvif->probereq); |
3772 | wlvif->probereq = NULL; | |
2f6724b2 | 3773 | |
ebba60c6 | 3774 | /* revert back to minimum rates for the current band */ |
87fbcb0f | 3775 | wl1271_set_band_rate(wl, wlvif); |
d2d66c56 | 3776 | wlvif->basic_rate = |
87fbcb0f EP |
3777 | wl1271_tx_min_rate_get(wl, |
3778 | wlvif->basic_rate_set); | |
30d0c8fd | 3779 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
ebba60c6 | 3780 | if (ret < 0) |
e78a287a | 3781 | goto out; |
ebba60c6 | 3782 | |
6ccbb92e | 3783 | /* disable connection monitor features */ |
0603d891 | 3784 | ret = wl1271_acx_conn_monit_params(wl, wlvif, false); |
c1899554 JO |
3785 | |
3786 | /* Disable the keep-alive feature */ | |
0603d891 | 3787 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); |
6ccbb92e | 3788 | if (ret < 0) |
e78a287a | 3789 | goto out; |
b84a7d3d JO |
3790 | |
3791 | /* restore the bssid filter and go to dummy bssid */ | |
30df14d0 | 3792 | if (was_assoc) { |
251c177f EP |
3793 | /* |
3794 | * we might have to disable roc, if there was | |
3795 | * no IF_OPER_UP notification. | |
3796 | */ | |
3797 | if (!was_ifup) { | |
0603d891 | 3798 | ret = wl12xx_croc(wl, wlvif->role_id); |
251c177f EP |
3799 | if (ret < 0) |
3800 | goto out; | |
3801 | } | |
3802 | /* | |
3803 | * (we also need to disable roc in case of | |
3804 | * roaming on the same channel. until we will | |
3805 | * have a better flow...) | |
3806 | */ | |
7edebf56 EP |
3807 | if (test_bit(wlvif->dev_role_id, wl->roc_map)) { |
3808 | ret = wl12xx_croc(wl, | |
3809 | wlvif->dev_role_id); | |
251c177f EP |
3810 | if (ret < 0) |
3811 | goto out; | |
3812 | } | |
3813 | ||
0603d891 | 3814 | wl1271_unjoin(wl, wlvif); |
8a6a84a4 | 3815 | if (!bss_conf->idle) |
679a6734 | 3816 | wl12xx_start_dev(wl, wlvif); |
30df14d0 | 3817 | } |
f5fc0f86 | 3818 | } |
f5fc0f86 LC |
3819 | } |
3820 | ||
d192d268 EP |
3821 | if (changed & BSS_CHANGED_IBSS) { |
3822 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", | |
3823 | bss_conf->ibss_joined); | |
3824 | ||
3825 | if (bss_conf->ibss_joined) { | |
3826 | u32 rates = bss_conf->basic_rates; | |
87fbcb0f | 3827 | wlvif->basic_rate_set = |
af7fbb28 | 3828 | wl1271_tx_enabled_rates_get(wl, rates, |
1b92f15e | 3829 | wlvif->band); |
d2d66c56 | 3830 | wlvif->basic_rate = |
87fbcb0f EP |
3831 | wl1271_tx_min_rate_get(wl, |
3832 | wlvif->basic_rate_set); | |
d192d268 | 3833 | |
06b660e1 | 3834 | /* by default, use 11b + OFDM rates */ |
30d0c8fd EP |
3835 | wlvif->rate_set = CONF_TX_IBSS_DEFAULT_RATES; |
3836 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
d192d268 EP |
3837 | if (ret < 0) |
3838 | goto out; | |
3839 | } | |
3840 | } | |
3841 | ||
0603d891 | 3842 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
e78a287a AN |
3843 | if (ret < 0) |
3844 | goto out; | |
f5fc0f86 | 3845 | |
8bf29b0e | 3846 | if (do_join) { |
87fbcb0f | 3847 | ret = wl1271_join(wl, wlvif, set_assoc); |
8bf29b0e JO |
3848 | if (ret < 0) { |
3849 | wl1271_warning("cmd join failed %d", ret); | |
e78a287a | 3850 | goto out; |
8bf29b0e | 3851 | } |
251c177f EP |
3852 | |
3853 | /* ROC until connected (after EAPOL exchange) */ | |
3854 | if (!is_ibss) { | |
1b92f15e | 3855 | ret = wl12xx_roc(wl, wlvif, wlvif->role_id); |
251c177f EP |
3856 | if (ret < 0) |
3857 | goto out; | |
3858 | ||
9fd6f21b EP |
3859 | if (test_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags)) |
3860 | wl12xx_set_authorized(wl, wlvif); | |
251c177f EP |
3861 | } |
3862 | /* | |
3863 | * stop device role if started (we might already be in | |
92e712da | 3864 | * STA/IBSS role). |
251c177f | 3865 | */ |
92e712da | 3866 | if (wl12xx_dev_role_started(wlvif)) { |
679a6734 | 3867 | ret = wl12xx_stop_dev(wl, wlvif); |
251c177f EP |
3868 | if (ret < 0) |
3869 | goto out; | |
3870 | } | |
c1899554 JO |
3871 | } |
3872 | ||
0b932ab9 | 3873 | /* Handle new association with HT. Do this after join. */ |
0f9c8250 AN |
3874 | if (sta_exists) { |
3875 | if ((changed & BSS_CHANGED_HT) && | |
3876 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { | |
0b932ab9 AN |
3877 | ret = wl1271_acx_set_ht_capabilities(wl, |
3878 | &sta_ht_cap, | |
3879 | true, | |
154da67c | 3880 | wlvif->sta.hlid); |
0f9c8250 AN |
3881 | if (ret < 0) { |
3882 | wl1271_warning("Set ht cap true failed %d", | |
3883 | ret); | |
3884 | goto out; | |
3885 | } | |
3886 | } | |
3887 | /* handle new association without HT and disassociation */ | |
3888 | else if (changed & BSS_CHANGED_ASSOC) { | |
0b932ab9 AN |
3889 | ret = wl1271_acx_set_ht_capabilities(wl, |
3890 | &sta_ht_cap, | |
3891 | false, | |
154da67c | 3892 | wlvif->sta.hlid); |
0f9c8250 AN |
3893 | if (ret < 0) { |
3894 | wl1271_warning("Set ht cap false failed %d", | |
3895 | ret); | |
3896 | goto out; | |
3897 | } | |
3898 | } | |
3899 | } | |
3900 | ||
0b932ab9 AN |
3901 | /* Handle HT information change. Done after join. */ |
3902 | if ((changed & BSS_CHANGED_HT) && | |
0f9c8250 | 3903 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { |
0603d891 | 3904 | ret = wl1271_acx_set_ht_information(wl, wlvif, |
0f9c8250 AN |
3905 | bss_conf->ht_operation_mode); |
3906 | if (ret < 0) { | |
3907 | wl1271_warning("Set ht information failed %d", ret); | |
3908 | goto out; | |
3909 | } | |
3910 | } | |
3911 | ||
76a74c8a EP |
3912 | /* Handle arp filtering. Done after join. */ |
3913 | if ((changed & BSS_CHANGED_ARP_FILTER) || | |
3914 | (!is_ibss && (changed & BSS_CHANGED_QOS))) { | |
3915 | __be32 addr = bss_conf->arp_addr_list[0]; | |
3916 | wlvif->sta.qos = bss_conf->qos; | |
3917 | WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS); | |
3918 | ||
3919 | if (bss_conf->arp_addr_cnt == 1 && | |
3920 | bss_conf->arp_filter_enabled) { | |
3921 | wlvif->ip_addr = addr; | |
3922 | /* | |
3923 | * The template should have been configured only upon | |
3924 | * association. however, it seems that the correct ip | |
3925 | * isn't being set (when sending), so we have to | |
3926 | * reconfigure the template upon every ip change. | |
3927 | */ | |
3928 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif); | |
3929 | if (ret < 0) { | |
3930 | wl1271_warning("build arp rsp failed: %d", ret); | |
3931 | goto out; | |
3932 | } | |
3933 | ||
3934 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, | |
3935 | (ACX_ARP_FILTER_ARP_FILTERING | | |
3936 | ACX_ARP_FILTER_AUTO_ARP), | |
3937 | addr); | |
3938 | } else { | |
3939 | wlvif->ip_addr = 0; | |
3940 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr); | |
3941 | } | |
3942 | ||
3943 | if (ret < 0) | |
3944 | goto out; | |
3945 | } | |
3946 | ||
e78a287a AN |
3947 | out: |
3948 | return; | |
3949 | } | |
3950 | ||
3951 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, | |
3952 | struct ieee80211_vif *vif, | |
3953 | struct ieee80211_bss_conf *bss_conf, | |
3954 | u32 changed) | |
3955 | { | |
3956 | struct wl1271 *wl = hw->priv; | |
536129c8 EP |
3957 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
3958 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); | |
e78a287a AN |
3959 | int ret; |
3960 | ||
3961 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed 0x%x", | |
3962 | (int)changed); | |
3963 | ||
6b8bf5bc AN |
3964 | /* |
3965 | * make sure to cancel pending disconnections if our association | |
3966 | * state changed | |
3967 | */ | |
3968 | if (!is_ap && (changed & BSS_CHANGED_ASSOC)) | |
3969 | cancel_delayed_work_sync(&wl->connection_loss_work); | |
3970 | ||
b515d83a EP |
3971 | if (is_ap && (changed & BSS_CHANGED_BEACON_ENABLED) && |
3972 | !bss_conf->enable_beacon) | |
3973 | wl1271_tx_flush(wl); | |
3974 | ||
e78a287a AN |
3975 | mutex_lock(&wl->mutex); |
3976 | ||
3977 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
3978 | goto out; | |
3979 | ||
10c8cd01 EP |
3980 | if (unlikely(!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags))) |
3981 | goto out; | |
3982 | ||
a620865e | 3983 | ret = wl1271_ps_elp_wakeup(wl); |
e78a287a AN |
3984 | if (ret < 0) |
3985 | goto out; | |
3986 | ||
3987 | if (is_ap) | |
3988 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); | |
3989 | else | |
3990 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); | |
3991 | ||
f5fc0f86 LC |
3992 | wl1271_ps_elp_sleep(wl); |
3993 | ||
3994 | out: | |
3995 | mutex_unlock(&wl->mutex); | |
3996 | } | |
3997 | ||
8a3a3c85 EP |
3998 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, |
3999 | struct ieee80211_vif *vif, u16 queue, | |
c6999d83 KV |
4000 | const struct ieee80211_tx_queue_params *params) |
4001 | { | |
4002 | struct wl1271 *wl = hw->priv; | |
0603d891 | 4003 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
4695dc91 | 4004 | u8 ps_scheme; |
488fc540 | 4005 | int ret = 0; |
c6999d83 KV |
4006 | |
4007 | mutex_lock(&wl->mutex); | |
4008 | ||
4009 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); | |
4010 | ||
4695dc91 KV |
4011 | if (params->uapsd) |
4012 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; | |
4013 | else | |
4014 | ps_scheme = CONF_PS_SCHEME_LEGACY; | |
4015 | ||
5b37ddfe | 4016 | if (!test_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) |
c1b193eb | 4017 | goto out; |
488fc540 | 4018 | |
c1b193eb EP |
4019 | ret = wl1271_ps_elp_wakeup(wl); |
4020 | if (ret < 0) | |
4021 | goto out; | |
488fc540 | 4022 | |
c1b193eb EP |
4023 | /* |
4024 | * the txop is confed in units of 32us by the mac80211, | |
4025 | * we need us | |
4026 | */ | |
0603d891 | 4027 | ret = wl1271_acx_ac_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
c1b193eb EP |
4028 | params->cw_min, params->cw_max, |
4029 | params->aifs, params->txop << 5); | |
4030 | if (ret < 0) | |
4031 | goto out_sleep; | |
4032 | ||
0603d891 | 4033 | ret = wl1271_acx_tid_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
c1b193eb EP |
4034 | CONF_CHANNEL_TYPE_EDCF, |
4035 | wl1271_tx_get_queue(queue), | |
4036 | ps_scheme, CONF_ACK_POLICY_LEGACY, | |
4037 | 0, 0); | |
c82c1dde KV |
4038 | |
4039 | out_sleep: | |
c1b193eb | 4040 | wl1271_ps_elp_sleep(wl); |
c6999d83 KV |
4041 | |
4042 | out: | |
4043 | mutex_unlock(&wl->mutex); | |
4044 | ||
4045 | return ret; | |
4046 | } | |
4047 | ||
37a41b4a EP |
4048 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw, |
4049 | struct ieee80211_vif *vif) | |
bbbb538e JO |
4050 | { |
4051 | ||
4052 | struct wl1271 *wl = hw->priv; | |
9c531149 | 4053 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
bbbb538e JO |
4054 | u64 mactime = ULLONG_MAX; |
4055 | int ret; | |
4056 | ||
4057 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); | |
4058 | ||
4059 | mutex_lock(&wl->mutex); | |
4060 | ||
f8d9802f JO |
4061 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
4062 | goto out; | |
4063 | ||
a620865e | 4064 | ret = wl1271_ps_elp_wakeup(wl); |
bbbb538e JO |
4065 | if (ret < 0) |
4066 | goto out; | |
4067 | ||
9c531149 | 4068 | ret = wl12xx_acx_tsf_info(wl, wlvif, &mactime); |
bbbb538e JO |
4069 | if (ret < 0) |
4070 | goto out_sleep; | |
4071 | ||
4072 | out_sleep: | |
4073 | wl1271_ps_elp_sleep(wl); | |
4074 | ||
4075 | out: | |
4076 | mutex_unlock(&wl->mutex); | |
4077 | return mactime; | |
4078 | } | |
f5fc0f86 | 4079 | |
ece550d0 JL |
4080 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
4081 | struct survey_info *survey) | |
4082 | { | |
4083 | struct wl1271 *wl = hw->priv; | |
4084 | struct ieee80211_conf *conf = &hw->conf; | |
b739a42c | 4085 | |
ece550d0 JL |
4086 | if (idx != 0) |
4087 | return -ENOENT; | |
b739a42c | 4088 | |
ece550d0 JL |
4089 | survey->channel = conf->channel; |
4090 | survey->filled = SURVEY_INFO_NOISE_DBM; | |
4091 | survey->noise = wl->noise; | |
b739a42c | 4092 | |
ece550d0 JL |
4093 | return 0; |
4094 | } | |
4095 | ||
409622ec | 4096 | static int wl1271_allocate_sta(struct wl1271 *wl, |
c7ffb902 EP |
4097 | struct wl12xx_vif *wlvif, |
4098 | struct ieee80211_sta *sta) | |
f84f7d78 AN |
4099 | { |
4100 | struct wl1271_station *wl_sta; | |
c7ffb902 | 4101 | int ret; |
f84f7d78 | 4102 | |
c7ffb902 EP |
4103 | |
4104 | if (wl->active_sta_count >= AP_MAX_STATIONS) { | |
f84f7d78 AN |
4105 | wl1271_warning("could not allocate HLID - too much stations"); |
4106 | return -EBUSY; | |
4107 | } | |
4108 | ||
4109 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
c7ffb902 EP |
4110 | ret = wl12xx_allocate_link(wl, wlvif, &wl_sta->hlid); |
4111 | if (ret < 0) { | |
4112 | wl1271_warning("could not allocate HLID - too many links"); | |
4113 | return -EBUSY; | |
4114 | } | |
4115 | ||
4116 | set_bit(wl_sta->hlid, wlvif->ap.sta_hlid_map); | |
b622d992 | 4117 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
da03209e | 4118 | wl->active_sta_count++; |
f84f7d78 AN |
4119 | return 0; |
4120 | } | |
4121 | ||
c7ffb902 | 4122 | void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) |
f84f7d78 | 4123 | { |
c7ffb902 | 4124 | if (!test_bit(hlid, wlvif->ap.sta_hlid_map)) |
f1acea9a AN |
4125 | return; |
4126 | ||
c7ffb902 | 4127 | clear_bit(hlid, wlvif->ap.sta_hlid_map); |
b622d992 | 4128 | memset(wl->links[hlid].addr, 0, ETH_ALEN); |
0f9c8250 | 4129 | wl->links[hlid].ba_bitmap = 0; |
b622d992 AN |
4130 | __clear_bit(hlid, &wl->ap_ps_map); |
4131 | __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); | |
c7ffb902 | 4132 | wl12xx_free_link(wl, wlvif, &hlid); |
da03209e | 4133 | wl->active_sta_count--; |
55df5afb AN |
4134 | |
4135 | /* | |
4136 | * rearm the tx watchdog when the last STA is freed - give the FW a | |
4137 | * chance to return STA-buffered packets before complaining. | |
4138 | */ | |
4139 | if (wl->active_sta_count == 0) | |
4140 | wl12xx_rearm_tx_watchdog_locked(wl); | |
f84f7d78 AN |
4141 | } |
4142 | ||
2d6cf2b5 EP |
4143 | static int wl12xx_sta_add(struct wl1271 *wl, |
4144 | struct wl12xx_vif *wlvif, | |
4145 | struct ieee80211_sta *sta) | |
f84f7d78 | 4146 | { |
c7ffb902 | 4147 | struct wl1271_station *wl_sta; |
f84f7d78 AN |
4148 | int ret = 0; |
4149 | u8 hlid; | |
4150 | ||
f84f7d78 AN |
4151 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); |
4152 | ||
c7ffb902 | 4153 | ret = wl1271_allocate_sta(wl, wlvif, sta); |
f84f7d78 | 4154 | if (ret < 0) |
2d6cf2b5 | 4155 | return ret; |
f84f7d78 | 4156 | |
c7ffb902 EP |
4157 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
4158 | hlid = wl_sta->hlid; | |
4159 | ||
1b92f15e | 4160 | ret = wl12xx_cmd_add_peer(wl, wlvif, sta, hlid); |
f84f7d78 | 4161 | if (ret < 0) |
2d6cf2b5 | 4162 | wl1271_free_sta(wl, wlvif, hlid); |
f84f7d78 | 4163 | |
2d6cf2b5 EP |
4164 | return ret; |
4165 | } | |
b67476ef | 4166 | |
2d6cf2b5 EP |
4167 | static int wl12xx_sta_remove(struct wl1271 *wl, |
4168 | struct wl12xx_vif *wlvif, | |
4169 | struct ieee80211_sta *sta) | |
4170 | { | |
4171 | struct wl1271_station *wl_sta; | |
4172 | int ret = 0, id; | |
0b932ab9 | 4173 | |
2d6cf2b5 EP |
4174 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); |
4175 | ||
4176 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
4177 | id = wl_sta->hlid; | |
4178 | if (WARN_ON(!test_bit(id, wlvif->ap.sta_hlid_map))) | |
4179 | return -EINVAL; | |
f84f7d78 | 4180 | |
2d6cf2b5 | 4181 | ret = wl12xx_cmd_remove_peer(wl, wl_sta->hlid); |
409622ec | 4182 | if (ret < 0) |
2d6cf2b5 | 4183 | return ret; |
409622ec | 4184 | |
2d6cf2b5 | 4185 | wl1271_free_sta(wl, wlvif, wl_sta->hlid); |
f84f7d78 AN |
4186 | return ret; |
4187 | } | |
4188 | ||
2d6cf2b5 EP |
4189 | static int wl12xx_update_sta_state(struct wl1271 *wl, |
4190 | struct wl12xx_vif *wlvif, | |
4191 | struct ieee80211_sta *sta, | |
4192 | enum ieee80211_sta_state old_state, | |
4193 | enum ieee80211_sta_state new_state) | |
f84f7d78 | 4194 | { |
f84f7d78 | 4195 | struct wl1271_station *wl_sta; |
2d6cf2b5 EP |
4196 | u8 hlid; |
4197 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; | |
4198 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; | |
4199 | int ret; | |
f84f7d78 | 4200 | |
2d6cf2b5 EP |
4201 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
4202 | hlid = wl_sta->hlid; | |
f84f7d78 | 4203 | |
2d6cf2b5 EP |
4204 | /* Add station (AP mode) */ |
4205 | if (is_ap && | |
4206 | old_state == IEEE80211_STA_NOTEXIST && | |
4207 | new_state == IEEE80211_STA_NONE) | |
4208 | return wl12xx_sta_add(wl, wlvif, sta); | |
4209 | ||
4210 | /* Remove station (AP mode) */ | |
4211 | if (is_ap && | |
4212 | old_state == IEEE80211_STA_NONE && | |
4213 | new_state == IEEE80211_STA_NOTEXIST) { | |
4214 | /* must not fail */ | |
4215 | wl12xx_sta_remove(wl, wlvif, sta); | |
4216 | return 0; | |
4217 | } | |
f84f7d78 | 4218 | |
2d6cf2b5 EP |
4219 | /* Authorize station (AP mode) */ |
4220 | if (is_ap && | |
4221 | new_state == IEEE80211_STA_AUTHORIZED) { | |
4222 | ret = wl12xx_cmd_set_peer_state(wl, hlid); | |
4223 | if (ret < 0) | |
4224 | return ret; | |
f84f7d78 | 4225 | |
2d6cf2b5 EP |
4226 | ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true, |
4227 | hlid); | |
4228 | return ret; | |
4229 | } | |
f84f7d78 | 4230 | |
9fd6f21b EP |
4231 | /* Authorize station */ |
4232 | if (is_sta && | |
4233 | new_state == IEEE80211_STA_AUTHORIZED) { | |
4234 | set_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); | |
4235 | return wl12xx_set_authorized(wl, wlvif); | |
4236 | } | |
4237 | ||
4238 | if (is_sta && | |
4239 | old_state == IEEE80211_STA_AUTHORIZED && | |
4240 | new_state == IEEE80211_STA_ASSOC) { | |
4241 | clear_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags); | |
4242 | return 0; | |
4243 | } | |
4244 | ||
2d6cf2b5 EP |
4245 | return 0; |
4246 | } | |
4247 | ||
4248 | static int wl12xx_op_sta_state(struct ieee80211_hw *hw, | |
4249 | struct ieee80211_vif *vif, | |
4250 | struct ieee80211_sta *sta, | |
4251 | enum ieee80211_sta_state old_state, | |
4252 | enum ieee80211_sta_state new_state) | |
4253 | { | |
4254 | struct wl1271 *wl = hw->priv; | |
4255 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); | |
4256 | int ret; | |
4257 | ||
4258 | wl1271_debug(DEBUG_MAC80211, "mac80211 sta %d state=%d->%d", | |
4259 | sta->aid, old_state, new_state); | |
4260 | ||
4261 | mutex_lock(&wl->mutex); | |
4262 | ||
4263 | if (unlikely(wl->state == WL1271_STATE_OFF)) { | |
4264 | ret = -EBUSY; | |
f84f7d78 | 4265 | goto out; |
2d6cf2b5 | 4266 | } |
f84f7d78 | 4267 | |
a620865e | 4268 | ret = wl1271_ps_elp_wakeup(wl); |
f84f7d78 AN |
4269 | if (ret < 0) |
4270 | goto out; | |
4271 | ||
2d6cf2b5 | 4272 | ret = wl12xx_update_sta_state(wl, wlvif, sta, old_state, new_state); |
f84f7d78 | 4273 | |
f84f7d78 | 4274 | wl1271_ps_elp_sleep(wl); |
f84f7d78 AN |
4275 | out: |
4276 | mutex_unlock(&wl->mutex); | |
2d6cf2b5 EP |
4277 | if (new_state < old_state) |
4278 | return 0; | |
f84f7d78 AN |
4279 | return ret; |
4280 | } | |
4281 | ||
4623ec7d LC |
4282 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
4283 | struct ieee80211_vif *vif, | |
4284 | enum ieee80211_ampdu_mlme_action action, | |
4285 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
4286 | u8 buf_size) | |
bbba3e68 LS |
4287 | { |
4288 | struct wl1271 *wl = hw->priv; | |
536129c8 | 4289 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
bbba3e68 | 4290 | int ret; |
0f9c8250 AN |
4291 | u8 hlid, *ba_bitmap; |
4292 | ||
4293 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu action %d tid %d", action, | |
4294 | tid); | |
4295 | ||
4296 | /* sanity check - the fields in FW are only 8bits wide */ | |
4297 | if (WARN_ON(tid > 0xFF)) | |
4298 | return -ENOTSUPP; | |
bbba3e68 LS |
4299 | |
4300 | mutex_lock(&wl->mutex); | |
4301 | ||
4302 | if (unlikely(wl->state == WL1271_STATE_OFF)) { | |
4303 | ret = -EAGAIN; | |
4304 | goto out; | |
4305 | } | |
4306 | ||
536129c8 | 4307 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) { |
154da67c | 4308 | hlid = wlvif->sta.hlid; |
d0802abd | 4309 | ba_bitmap = &wlvif->sta.ba_rx_bitmap; |
536129c8 | 4310 | } else if (wlvif->bss_type == BSS_TYPE_AP_BSS) { |
0f9c8250 AN |
4311 | struct wl1271_station *wl_sta; |
4312 | ||
4313 | wl_sta = (struct wl1271_station *)sta->drv_priv; | |
4314 | hlid = wl_sta->hlid; | |
4315 | ba_bitmap = &wl->links[hlid].ba_bitmap; | |
4316 | } else { | |
4317 | ret = -EINVAL; | |
4318 | goto out; | |
4319 | } | |
4320 | ||
a620865e | 4321 | ret = wl1271_ps_elp_wakeup(wl); |
bbba3e68 LS |
4322 | if (ret < 0) |
4323 | goto out; | |
4324 | ||
70559a06 SL |
4325 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", |
4326 | tid, action); | |
4327 | ||
bbba3e68 LS |
4328 | switch (action) { |
4329 | case IEEE80211_AMPDU_RX_START: | |
d0802abd | 4330 | if (!wlvif->ba_support || !wlvif->ba_allowed) { |
bbba3e68 | 4331 | ret = -ENOTSUPP; |
0f9c8250 AN |
4332 | break; |
4333 | } | |
4334 | ||
4335 | if (wl->ba_rx_session_count >= RX_BA_MAX_SESSIONS) { | |
4336 | ret = -EBUSY; | |
4337 | wl1271_error("exceeded max RX BA sessions"); | |
4338 | break; | |
4339 | } | |
4340 | ||
4341 | if (*ba_bitmap & BIT(tid)) { | |
4342 | ret = -EINVAL; | |
4343 | wl1271_error("cannot enable RX BA session on active " | |
4344 | "tid: %d", tid); | |
4345 | break; | |
4346 | } | |
4347 | ||
4348 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, *ssn, true, | |
4349 | hlid); | |
4350 | if (!ret) { | |
4351 | *ba_bitmap |= BIT(tid); | |
4352 | wl->ba_rx_session_count++; | |
bbba3e68 LS |
4353 | } |
4354 | break; | |
4355 | ||
4356 | case IEEE80211_AMPDU_RX_STOP: | |
0f9c8250 AN |
4357 | if (!(*ba_bitmap & BIT(tid))) { |
4358 | ret = -EINVAL; | |
4359 | wl1271_error("no active RX BA session on tid: %d", | |
4360 | tid); | |
4361 | break; | |
4362 | } | |
4363 | ||
4364 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, 0, false, | |
4365 | hlid); | |
4366 | if (!ret) { | |
4367 | *ba_bitmap &= ~BIT(tid); | |
4368 | wl->ba_rx_session_count--; | |
4369 | } | |
bbba3e68 LS |
4370 | break; |
4371 | ||
4372 | /* | |
4373 | * The BA initiator session management in FW independently. | |
4374 | * Falling break here on purpose for all TX APDU commands. | |
4375 | */ | |
4376 | case IEEE80211_AMPDU_TX_START: | |
4377 | case IEEE80211_AMPDU_TX_STOP: | |
4378 | case IEEE80211_AMPDU_TX_OPERATIONAL: | |
4379 | ret = -EINVAL; | |
4380 | break; | |
4381 | ||
4382 | default: | |
4383 | wl1271_error("Incorrect ampdu action id=%x\n", action); | |
4384 | ret = -EINVAL; | |
4385 | } | |
4386 | ||
4387 | wl1271_ps_elp_sleep(wl); | |
4388 | ||
4389 | out: | |
4390 | mutex_unlock(&wl->mutex); | |
4391 | ||
4392 | return ret; | |
4393 | } | |
4394 | ||
af7fbb28 EP |
4395 | static int wl12xx_set_bitrate_mask(struct ieee80211_hw *hw, |
4396 | struct ieee80211_vif *vif, | |
4397 | const struct cfg80211_bitrate_mask *mask) | |
4398 | { | |
83587505 | 4399 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
af7fbb28 | 4400 | struct wl1271 *wl = hw->priv; |
d6fa37c9 | 4401 | int i, ret = 0; |
af7fbb28 EP |
4402 | |
4403 | wl1271_debug(DEBUG_MAC80211, "mac80211 set_bitrate_mask 0x%x 0x%x", | |
4404 | mask->control[NL80211_BAND_2GHZ].legacy, | |
4405 | mask->control[NL80211_BAND_5GHZ].legacy); | |
4406 | ||
4407 | mutex_lock(&wl->mutex); | |
4408 | ||
4409 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) | |
83587505 | 4410 | wlvif->bitrate_masks[i] = |
af7fbb28 EP |
4411 | wl1271_tx_enabled_rates_get(wl, |
4412 | mask->control[i].legacy, | |
4413 | i); | |
d6fa37c9 EP |
4414 | |
4415 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
4416 | goto out; | |
4417 | ||
4418 | if (wlvif->bss_type == BSS_TYPE_STA_BSS && | |
4419 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { | |
4420 | ||
4421 | ret = wl1271_ps_elp_wakeup(wl); | |
4422 | if (ret < 0) | |
4423 | goto out; | |
4424 | ||
4425 | wl1271_set_band_rate(wl, wlvif); | |
4426 | wlvif->basic_rate = | |
4427 | wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); | |
4428 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); | |
4429 | ||
4430 | wl1271_ps_elp_sleep(wl); | |
4431 | } | |
4432 | out: | |
af7fbb28 EP |
4433 | mutex_unlock(&wl->mutex); |
4434 | ||
d6fa37c9 | 4435 | return ret; |
af7fbb28 EP |
4436 | } |
4437 | ||
6d158ff3 SL |
4438 | static void wl12xx_op_channel_switch(struct ieee80211_hw *hw, |
4439 | struct ieee80211_channel_switch *ch_switch) | |
4440 | { | |
4441 | struct wl1271 *wl = hw->priv; | |
52630c5d | 4442 | struct wl12xx_vif *wlvif; |
6d158ff3 SL |
4443 | int ret; |
4444 | ||
4445 | wl1271_debug(DEBUG_MAC80211, "mac80211 channel switch"); | |
4446 | ||
b9239b66 AN |
4447 | wl1271_tx_flush(wl); |
4448 | ||
6d158ff3 SL |
4449 | mutex_lock(&wl->mutex); |
4450 | ||
4451 | if (unlikely(wl->state == WL1271_STATE_OFF)) { | |
6e8cd331 EP |
4452 | wl12xx_for_each_wlvif_sta(wl, wlvif) { |
4453 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); | |
4454 | ieee80211_chswitch_done(vif, false); | |
4455 | } | |
4456 | goto out; | |
6d158ff3 SL |
4457 | } |
4458 | ||
4459 | ret = wl1271_ps_elp_wakeup(wl); | |
4460 | if (ret < 0) | |
4461 | goto out; | |
4462 | ||
52630c5d EP |
4463 | /* TODO: change mac80211 to pass vif as param */ |
4464 | wl12xx_for_each_wlvif_sta(wl, wlvif) { | |
8332f0f6 | 4465 | ret = wl12xx_cmd_channel_switch(wl, wlvif, ch_switch); |
6d158ff3 | 4466 | |
52630c5d EP |
4467 | if (!ret) |
4468 | set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); | |
4469 | } | |
6d158ff3 SL |
4470 | |
4471 | wl1271_ps_elp_sleep(wl); | |
4472 | ||
4473 | out: | |
4474 | mutex_unlock(&wl->mutex); | |
4475 | } | |
4476 | ||
33437893 AN |
4477 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
4478 | { | |
4479 | struct wl1271 *wl = hw->priv; | |
4480 | bool ret = false; | |
4481 | ||
4482 | mutex_lock(&wl->mutex); | |
4483 | ||
4484 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
4485 | goto out; | |
4486 | ||
4487 | /* packets are considered pending if in the TX queue or the FW */ | |
f1a46384 | 4488 | ret = (wl1271_tx_total_queue_count(wl) > 0) || (wl->tx_frames_cnt > 0); |
33437893 AN |
4489 | out: |
4490 | mutex_unlock(&wl->mutex); | |
4491 | ||
4492 | return ret; | |
4493 | } | |
4494 | ||
f5fc0f86 LC |
4495 | /* can't be const, mac80211 writes to this */ |
4496 | static struct ieee80211_rate wl1271_rates[] = { | |
4497 | { .bitrate = 10, | |
2b60100b JO |
4498 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
4499 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 4500 | { .bitrate = 20, |
2b60100b JO |
4501 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
4502 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
4503 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
4504 | { .bitrate = 55, | |
2b60100b JO |
4505 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
4506 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
4507 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
4508 | { .bitrate = 110, | |
2b60100b JO |
4509 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
4510 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
4511 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
4512 | { .bitrate = 60, | |
2b60100b JO |
4513 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
4514 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 4515 | { .bitrate = 90, |
2b60100b JO |
4516 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
4517 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 4518 | { .bitrate = 120, |
2b60100b JO |
4519 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
4520 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 4521 | { .bitrate = 180, |
2b60100b JO |
4522 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
4523 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 4524 | { .bitrate = 240, |
2b60100b JO |
4525 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
4526 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 4527 | { .bitrate = 360, |
2b60100b JO |
4528 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
4529 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 4530 | { .bitrate = 480, |
2b60100b JO |
4531 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
4532 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 4533 | { .bitrate = 540, |
2b60100b JO |
4534 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
4535 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
4536 | }; |
4537 | ||
fa97f46b | 4538 | /* can't be const, mac80211 writes to this */ |
f5fc0f86 | 4539 | static struct ieee80211_channel wl1271_channels[] = { |
a2d0e3f1 | 4540 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
fa21c7a9 | 4541 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, |
fa97f46b JO |
4542 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, |
4543 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, | |
4544 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, | |
fa21c7a9 | 4545 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, |
fa97f46b JO |
4546 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, |
4547 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, | |
4548 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, | |
fa21c7a9 | 4549 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, |
fa97f46b JO |
4550 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, |
4551 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, | |
4552 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, | |
6c89b7b2 | 4553 | { .hw_value = 14, .center_freq = 2484, .max_power = 25 }, |
f5fc0f86 LC |
4554 | }; |
4555 | ||
4556 | /* can't be const, mac80211 writes to this */ | |
4557 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
4558 | .channels = wl1271_channels, | |
4559 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
4560 | .bitrates = wl1271_rates, | |
4561 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
4562 | }; | |
4563 | ||
1ebec3d7 TP |
4564 | /* 5 GHz data rates for WL1273 */ |
4565 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
4566 | { .bitrate = 60, | |
4567 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
4568 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
4569 | { .bitrate = 90, | |
4570 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
4571 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
4572 | { .bitrate = 120, | |
4573 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
4574 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
4575 | { .bitrate = 180, | |
4576 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
4577 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
4578 | { .bitrate = 240, | |
4579 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
4580 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
4581 | { .bitrate = 360, | |
4582 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
4583 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
4584 | { .bitrate = 480, | |
4585 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
4586 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
4587 | { .bitrate = 540, | |
4588 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
4589 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
4590 | }; | |
4591 | ||
fa97f46b | 4592 | /* 5 GHz band channels for WL1273 */ |
1ebec3d7 | 4593 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
6cfa5cff AN |
4594 | { .hw_value = 7, .center_freq = 5035, .max_power = 25 }, |
4595 | { .hw_value = 8, .center_freq = 5040, .max_power = 25 }, | |
4596 | { .hw_value = 9, .center_freq = 5045, .max_power = 25 }, | |
4597 | { .hw_value = 11, .center_freq = 5055, .max_power = 25 }, | |
4598 | { .hw_value = 12, .center_freq = 5060, .max_power = 25 }, | |
4599 | { .hw_value = 16, .center_freq = 5080, .max_power = 25 }, | |
4600 | { .hw_value = 34, .center_freq = 5170, .max_power = 25 }, | |
4601 | { .hw_value = 36, .center_freq = 5180, .max_power = 25 }, | |
4602 | { .hw_value = 38, .center_freq = 5190, .max_power = 25 }, | |
4603 | { .hw_value = 40, .center_freq = 5200, .max_power = 25 }, | |
4604 | { .hw_value = 42, .center_freq = 5210, .max_power = 25 }, | |
4605 | { .hw_value = 44, .center_freq = 5220, .max_power = 25 }, | |
4606 | { .hw_value = 46, .center_freq = 5230, .max_power = 25 }, | |
4607 | { .hw_value = 48, .center_freq = 5240, .max_power = 25 }, | |
4608 | { .hw_value = 52, .center_freq = 5260, .max_power = 25 }, | |
4609 | { .hw_value = 56, .center_freq = 5280, .max_power = 25 }, | |
4610 | { .hw_value = 60, .center_freq = 5300, .max_power = 25 }, | |
4611 | { .hw_value = 64, .center_freq = 5320, .max_power = 25 }, | |
4612 | { .hw_value = 100, .center_freq = 5500, .max_power = 25 }, | |
4613 | { .hw_value = 104, .center_freq = 5520, .max_power = 25 }, | |
4614 | { .hw_value = 108, .center_freq = 5540, .max_power = 25 }, | |
4615 | { .hw_value = 112, .center_freq = 5560, .max_power = 25 }, | |
4616 | { .hw_value = 116, .center_freq = 5580, .max_power = 25 }, | |
4617 | { .hw_value = 120, .center_freq = 5600, .max_power = 25 }, | |
4618 | { .hw_value = 124, .center_freq = 5620, .max_power = 25 }, | |
4619 | { .hw_value = 128, .center_freq = 5640, .max_power = 25 }, | |
4620 | { .hw_value = 132, .center_freq = 5660, .max_power = 25 }, | |
4621 | { .hw_value = 136, .center_freq = 5680, .max_power = 25 }, | |
4622 | { .hw_value = 140, .center_freq = 5700, .max_power = 25 }, | |
4623 | { .hw_value = 149, .center_freq = 5745, .max_power = 25 }, | |
4624 | { .hw_value = 153, .center_freq = 5765, .max_power = 25 }, | |
4625 | { .hw_value = 157, .center_freq = 5785, .max_power = 25 }, | |
4626 | { .hw_value = 161, .center_freq = 5805, .max_power = 25 }, | |
4627 | { .hw_value = 165, .center_freq = 5825, .max_power = 25 }, | |
1ebec3d7 TP |
4628 | }; |
4629 | ||
1ebec3d7 TP |
4630 | static struct ieee80211_supported_band wl1271_band_5ghz = { |
4631 | .channels = wl1271_channels_5ghz, | |
4632 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
4633 | .bitrates = wl1271_rates_5ghz, | |
4634 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
f876bb9a JO |
4635 | }; |
4636 | ||
f5fc0f86 LC |
4637 | static const struct ieee80211_ops wl1271_ops = { |
4638 | .start = wl1271_op_start, | |
4639 | .stop = wl1271_op_stop, | |
4640 | .add_interface = wl1271_op_add_interface, | |
4641 | .remove_interface = wl1271_op_remove_interface, | |
c0fad1b7 | 4642 | .change_interface = wl12xx_op_change_interface, |
f634a4e7 | 4643 | #ifdef CONFIG_PM |
402e4861 EP |
4644 | .suspend = wl1271_op_suspend, |
4645 | .resume = wl1271_op_resume, | |
f634a4e7 | 4646 | #endif |
f5fc0f86 | 4647 | .config = wl1271_op_config, |
c87dec9f | 4648 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
4649 | .configure_filter = wl1271_op_configure_filter, |
4650 | .tx = wl1271_op_tx, | |
4651 | .set_key = wl1271_op_set_key, | |
4652 | .hw_scan = wl1271_op_hw_scan, | |
73ecce31 | 4653 | .cancel_hw_scan = wl1271_op_cancel_hw_scan, |
33c2c06c LC |
4654 | .sched_scan_start = wl1271_op_sched_scan_start, |
4655 | .sched_scan_stop = wl1271_op_sched_scan_stop, | |
f5fc0f86 | 4656 | .bss_info_changed = wl1271_op_bss_info_changed, |
68d069c4 | 4657 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
f5fc0f86 | 4658 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
c6999d83 | 4659 | .conf_tx = wl1271_op_conf_tx, |
bbbb538e | 4660 | .get_tsf = wl1271_op_get_tsf, |
ece550d0 | 4661 | .get_survey = wl1271_op_get_survey, |
2d6cf2b5 | 4662 | .sta_state = wl12xx_op_sta_state, |
bbba3e68 | 4663 | .ampdu_action = wl1271_op_ampdu_action, |
33437893 | 4664 | .tx_frames_pending = wl1271_tx_frames_pending, |
af7fbb28 | 4665 | .set_bitrate_mask = wl12xx_set_bitrate_mask, |
6d158ff3 | 4666 | .channel_switch = wl12xx_op_channel_switch, |
c8c90873 | 4667 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
f5fc0f86 LC |
4668 | }; |
4669 | ||
f876bb9a | 4670 | |
43a8bc5a | 4671 | u8 wlcore_rate_to_idx(struct wl1271 *wl, u8 rate, enum ieee80211_band band) |
f876bb9a JO |
4672 | { |
4673 | u8 idx; | |
4674 | ||
43a8bc5a | 4675 | BUG_ON(band >= 2); |
f876bb9a | 4676 | |
43a8bc5a | 4677 | if (unlikely(rate >= wl->hw_tx_rate_tbl_size)) { |
f876bb9a JO |
4678 | wl1271_error("Illegal RX rate from HW: %d", rate); |
4679 | return 0; | |
4680 | } | |
4681 | ||
43a8bc5a | 4682 | idx = wl->band_rate_to_idx[band][rate]; |
f876bb9a JO |
4683 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
4684 | wl1271_error("Unsupported RX rate from HW: %d", rate); | |
4685 | return 0; | |
4686 | } | |
4687 | ||
4688 | return idx; | |
4689 | } | |
4690 | ||
7fc3a864 JO |
4691 | static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, |
4692 | struct device_attribute *attr, | |
4693 | char *buf) | |
4694 | { | |
4695 | struct wl1271 *wl = dev_get_drvdata(dev); | |
4696 | ssize_t len; | |
4697 | ||
2f63b011 | 4698 | len = PAGE_SIZE; |
7fc3a864 JO |
4699 | |
4700 | mutex_lock(&wl->mutex); | |
4701 | len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", | |
4702 | wl->sg_enabled); | |
4703 | mutex_unlock(&wl->mutex); | |
4704 | ||
4705 | return len; | |
4706 | ||
4707 | } | |
4708 | ||
4709 | static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, | |
4710 | struct device_attribute *attr, | |
4711 | const char *buf, size_t count) | |
4712 | { | |
4713 | struct wl1271 *wl = dev_get_drvdata(dev); | |
4714 | unsigned long res; | |
4715 | int ret; | |
4716 | ||
6277ed65 | 4717 | ret = kstrtoul(buf, 10, &res); |
7fc3a864 JO |
4718 | if (ret < 0) { |
4719 | wl1271_warning("incorrect value written to bt_coex_mode"); | |
4720 | return count; | |
4721 | } | |
4722 | ||
4723 | mutex_lock(&wl->mutex); | |
4724 | ||
4725 | res = !!res; | |
4726 | ||
4727 | if (res == wl->sg_enabled) | |
4728 | goto out; | |
4729 | ||
4730 | wl->sg_enabled = res; | |
4731 | ||
4732 | if (wl->state == WL1271_STATE_OFF) | |
4733 | goto out; | |
4734 | ||
a620865e | 4735 | ret = wl1271_ps_elp_wakeup(wl); |
7fc3a864 JO |
4736 | if (ret < 0) |
4737 | goto out; | |
4738 | ||
4739 | wl1271_acx_sg_enable(wl, wl->sg_enabled); | |
4740 | wl1271_ps_elp_sleep(wl); | |
4741 | ||
4742 | out: | |
4743 | mutex_unlock(&wl->mutex); | |
4744 | return count; | |
4745 | } | |
4746 | ||
4747 | static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, | |
4748 | wl1271_sysfs_show_bt_coex_state, | |
4749 | wl1271_sysfs_store_bt_coex_state); | |
4750 | ||
d717fd61 JO |
4751 | static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, |
4752 | struct device_attribute *attr, | |
4753 | char *buf) | |
4754 | { | |
4755 | struct wl1271 *wl = dev_get_drvdata(dev); | |
4756 | ssize_t len; | |
4757 | ||
2f63b011 | 4758 | len = PAGE_SIZE; |
d717fd61 JO |
4759 | |
4760 | mutex_lock(&wl->mutex); | |
4761 | if (wl->hw_pg_ver >= 0) | |
4762 | len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); | |
4763 | else | |
4764 | len = snprintf(buf, len, "n/a\n"); | |
4765 | mutex_unlock(&wl->mutex); | |
4766 | ||
4767 | return len; | |
4768 | } | |
4769 | ||
6f07b72a | 4770 | static DEVICE_ATTR(hw_pg_ver, S_IRUGO, |
d717fd61 JO |
4771 | wl1271_sysfs_show_hw_pg_ver, NULL); |
4772 | ||
95dac04f IY |
4773 | static ssize_t wl1271_sysfs_read_fwlog(struct file *filp, struct kobject *kobj, |
4774 | struct bin_attribute *bin_attr, | |
4775 | char *buffer, loff_t pos, size_t count) | |
4776 | { | |
4777 | struct device *dev = container_of(kobj, struct device, kobj); | |
4778 | struct wl1271 *wl = dev_get_drvdata(dev); | |
4779 | ssize_t len; | |
4780 | int ret; | |
4781 | ||
4782 | ret = mutex_lock_interruptible(&wl->mutex); | |
4783 | if (ret < 0) | |
4784 | return -ERESTARTSYS; | |
4785 | ||
4786 | /* Let only one thread read the log at a time, blocking others */ | |
4787 | while (wl->fwlog_size == 0) { | |
4788 | DEFINE_WAIT(wait); | |
4789 | ||
4790 | prepare_to_wait_exclusive(&wl->fwlog_waitq, | |
4791 | &wait, | |
4792 | TASK_INTERRUPTIBLE); | |
4793 | ||
4794 | if (wl->fwlog_size != 0) { | |
4795 | finish_wait(&wl->fwlog_waitq, &wait); | |
4796 | break; | |
4797 | } | |
4798 | ||
4799 | mutex_unlock(&wl->mutex); | |
4800 | ||
4801 | schedule(); | |
4802 | finish_wait(&wl->fwlog_waitq, &wait); | |
4803 | ||
4804 | if (signal_pending(current)) | |
4805 | return -ERESTARTSYS; | |
4806 | ||
4807 | ret = mutex_lock_interruptible(&wl->mutex); | |
4808 | if (ret < 0) | |
4809 | return -ERESTARTSYS; | |
4810 | } | |
4811 | ||
4812 | /* Check if the fwlog is still valid */ | |
4813 | if (wl->fwlog_size < 0) { | |
4814 | mutex_unlock(&wl->mutex); | |
4815 | return 0; | |
4816 | } | |
4817 | ||
4818 | /* Seeking is not supported - old logs are not kept. Disregard pos. */ | |
4819 | len = min(count, (size_t)wl->fwlog_size); | |
4820 | wl->fwlog_size -= len; | |
4821 | memcpy(buffer, wl->fwlog, len); | |
4822 | ||
4823 | /* Make room for new messages */ | |
4824 | memmove(wl->fwlog, wl->fwlog + len, wl->fwlog_size); | |
4825 | ||
4826 | mutex_unlock(&wl->mutex); | |
4827 | ||
4828 | return len; | |
4829 | } | |
4830 | ||
4831 | static struct bin_attribute fwlog_attr = { | |
4832 | .attr = {.name = "fwlog", .mode = S_IRUSR}, | |
4833 | .read = wl1271_sysfs_read_fwlog, | |
4834 | }; | |
4835 | ||
22479972 | 4836 | static void wl1271_connection_loss_work(struct work_struct *work) |
5f561f68 BM |
4837 | { |
4838 | struct delayed_work *dwork; | |
4839 | struct wl1271 *wl; | |
4840 | struct ieee80211_vif *vif; | |
4841 | struct wl12xx_vif *wlvif; | |
4842 | ||
4843 | dwork = container_of(work, struct delayed_work, work); | |
4844 | wl = container_of(dwork, struct wl1271, connection_loss_work); | |
4845 | ||
4846 | wl1271_info("Connection loss work."); | |
4847 | ||
4848 | mutex_lock(&wl->mutex); | |
4849 | ||
4850 | if (unlikely(wl->state == WL1271_STATE_OFF)) | |
4851 | goto out; | |
4852 | ||
4853 | /* Call mac80211 connection loss */ | |
4854 | wl12xx_for_each_wlvif_sta(wl, wlvif) { | |
4855 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) | |
4856 | goto out; | |
4857 | vif = wl12xx_wlvif_to_vif(wlvif); | |
4858 | ieee80211_connection_loss(vif); | |
4859 | } | |
4860 | out: | |
4861 | mutex_unlock(&wl->mutex); | |
4862 | } | |
4863 | ||
5e037e74 LC |
4864 | static void wl12xx_derive_mac_addresses(struct wl1271 *wl, |
4865 | u32 oui, u32 nic, int n) | |
4866 | { | |
4867 | int i; | |
4868 | ||
4869 | wl1271_debug(DEBUG_PROBE, "base address: oui %06x nic %06x, n %d", | |
4870 | oui, nic, n); | |
4871 | ||
4872 | if (nic + n - 1 > 0xffffff) | |
4873 | wl1271_warning("NIC part of the MAC address wraps around!"); | |
4874 | ||
4875 | for (i = 0; i < n; i++) { | |
4876 | wl->addresses[i].addr[0] = (u8)(oui >> 16); | |
4877 | wl->addresses[i].addr[1] = (u8)(oui >> 8); | |
4878 | wl->addresses[i].addr[2] = (u8) oui; | |
4879 | wl->addresses[i].addr[3] = (u8)(nic >> 16); | |
4880 | wl->addresses[i].addr[4] = (u8)(nic >> 8); | |
4881 | wl->addresses[i].addr[5] = (u8) nic; | |
4882 | nic++; | |
4883 | } | |
4884 | ||
4885 | wl->hw->wiphy->n_addresses = n; | |
4886 | wl->hw->wiphy->addresses = wl->addresses; | |
4887 | } | |
4888 | ||
30c5dbd1 LC |
4889 | static int wl12xx_get_hw_info(struct wl1271 *wl) |
4890 | { | |
4891 | int ret; | |
30c5dbd1 LC |
4892 | |
4893 | ret = wl12xx_set_power_on(wl); | |
4894 | if (ret < 0) | |
4895 | goto out; | |
4896 | ||
00782136 | 4897 | wl->chip.id = wlcore_read_reg(wl, REG_CHIP_ID_B); |
30c5dbd1 | 4898 | |
00782136 LC |
4899 | wl->fuse_oui_addr = 0; |
4900 | wl->fuse_nic_addr = 0; | |
30c5dbd1 | 4901 | |
4ded91ce | 4902 | wl->hw_pg_ver = wl->ops->get_pg_ver(wl); |
30c5dbd1 | 4903 | |
30d9b4a5 LC |
4904 | if (wl->ops->get_mac) |
4905 | wl->ops->get_mac(wl); | |
5e037e74 | 4906 | |
30c5dbd1 LC |
4907 | wl1271_power_off(wl); |
4908 | out: | |
4909 | return ret; | |
4910 | } | |
4911 | ||
4b32a2c9 | 4912 | static int wl1271_register_hw(struct wl1271 *wl) |
f5fc0f86 LC |
4913 | { |
4914 | int ret; | |
5e037e74 | 4915 | u32 oui_addr = 0, nic_addr = 0; |
f5fc0f86 LC |
4916 | |
4917 | if (wl->mac80211_registered) | |
4918 | return 0; | |
4919 | ||
31d26ec6 AN |
4920 | ret = wl1271_fetch_nvs(wl); |
4921 | if (ret == 0) { | |
bc765bf3 SL |
4922 | /* NOTE: The wl->nvs->nvs element must be first, in |
4923 | * order to simplify the casting, we assume it is at | |
4924 | * the beginning of the wl->nvs structure. | |
4925 | */ | |
4926 | u8 *nvs_ptr = (u8 *)wl->nvs; | |
31d26ec6 | 4927 | |
5e037e74 LC |
4928 | oui_addr = |
4929 | (nvs_ptr[11] << 16) + (nvs_ptr[10] << 8) + nvs_ptr[6]; | |
4930 | nic_addr = | |
4931 | (nvs_ptr[5] << 16) + (nvs_ptr[4] << 8) + nvs_ptr[3]; | |
4932 | } | |
4933 | ||
4934 | /* if the MAC address is zeroed in the NVS derive from fuse */ | |
4935 | if (oui_addr == 0 && nic_addr == 0) { | |
4936 | oui_addr = wl->fuse_oui_addr; | |
4937 | /* fuse has the BD_ADDR, the WLAN addresses are the next two */ | |
4938 | nic_addr = wl->fuse_nic_addr + 1; | |
31d26ec6 AN |
4939 | } |
4940 | ||
5e037e74 | 4941 | wl12xx_derive_mac_addresses(wl, oui_addr, nic_addr, 2); |
f5fc0f86 LC |
4942 | |
4943 | ret = ieee80211_register_hw(wl->hw); | |
4944 | if (ret < 0) { | |
4945 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
30c5dbd1 | 4946 | goto out; |
f5fc0f86 LC |
4947 | } |
4948 | ||
4949 | wl->mac80211_registered = true; | |
4950 | ||
d60080ae EP |
4951 | wl1271_debugfs_init(wl); |
4952 | ||
f5fc0f86 LC |
4953 | wl1271_notice("loaded"); |
4954 | ||
30c5dbd1 LC |
4955 | out: |
4956 | return ret; | |
f5fc0f86 LC |
4957 | } |
4958 | ||
4b32a2c9 | 4959 | static void wl1271_unregister_hw(struct wl1271 *wl) |
3b56dd6a | 4960 | { |
3fcdab70 | 4961 | if (wl->plt) |
f3df1331 | 4962 | wl1271_plt_stop(wl); |
4ae3fa87 | 4963 | |
3b56dd6a TP |
4964 | ieee80211_unregister_hw(wl->hw); |
4965 | wl->mac80211_registered = false; | |
4966 | ||
4967 | } | |
3b56dd6a | 4968 | |
4b32a2c9 | 4969 | static int wl1271_init_ieee80211(struct wl1271 *wl) |
f5fc0f86 | 4970 | { |
7a55724e JO |
4971 | static const u32 cipher_suites[] = { |
4972 | WLAN_CIPHER_SUITE_WEP40, | |
4973 | WLAN_CIPHER_SUITE_WEP104, | |
4974 | WLAN_CIPHER_SUITE_TKIP, | |
4975 | WLAN_CIPHER_SUITE_CCMP, | |
4976 | WL1271_CIPHER_SUITE_GEM, | |
4977 | }; | |
4978 | ||
1e2b7976 | 4979 | /* The tx descriptor buffer and the TKIP space. */ |
5ec8a448 | 4980 | wl->hw->extra_tx_headroom = WL1271_EXTRA_SPACE_TKIP + |
1e2b7976 | 4981 | sizeof(struct wl1271_tx_hw_descr); |
f5fc0f86 LC |
4982 | |
4983 | /* unit us */ | |
4984 | /* FIXME: find a proper value */ | |
4985 | wl->hw->channel_change_time = 10000; | |
50c500ad | 4986 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
f5fc0f86 LC |
4987 | |
4988 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
0a34332f | 4989 | IEEE80211_HW_SUPPORTS_PS | |
f1d63a59 | 4990 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | |
4695dc91 | 4991 | IEEE80211_HW_SUPPORTS_UAPSD | |
a9af092b | 4992 | IEEE80211_HW_HAS_RATE_CONTROL | |
00236aed | 4993 | IEEE80211_HW_CONNECTION_MONITOR | |
25eaea30 | 4994 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
fcd23b63 | 4995 | IEEE80211_HW_SPECTRUM_MGMT | |
93f8c8e0 AN |
4996 | IEEE80211_HW_AP_LINK_PS | |
4997 | IEEE80211_HW_AMPDU_AGGREGATION | | |
79aba1ba EP |
4998 | IEEE80211_HW_TX_AMPDU_SETUP_IN_HW | |
4999 | IEEE80211_HW_SCAN_WHILE_IDLE; | |
f5fc0f86 | 5000 | |
7a55724e JO |
5001 | wl->hw->wiphy->cipher_suites = cipher_suites; |
5002 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); | |
5003 | ||
e0d8bbf0 | 5004 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
045c745f EP |
5005 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP) | |
5006 | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO); | |
f5fc0f86 | 5007 | wl->hw->wiphy->max_scan_ssids = 1; |
221737d2 LC |
5008 | wl->hw->wiphy->max_sched_scan_ssids = 16; |
5009 | wl->hw->wiphy->max_match_sets = 16; | |
ea559b46 GE |
5010 | /* |
5011 | * Maximum length of elements in scanning probe request templates | |
5012 | * should be the maximum length possible for a template, without | |
5013 | * the IEEE80211 header of the template | |
5014 | */ | |
c08e371a | 5015 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
ea559b46 | 5016 | sizeof(struct ieee80211_header); |
a8aaaf53 | 5017 | |
c08e371a | 5018 | wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
c9e79a47 LC |
5019 | sizeof(struct ieee80211_header); |
5020 | ||
81ddbb5c JB |
5021 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD | |
5022 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; | |
1ec23f7f | 5023 | |
4a31c11c LC |
5024 | /* make sure all our channels fit in the scanned_ch bitmask */ |
5025 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + | |
5026 | ARRAY_SIZE(wl1271_channels_5ghz) > | |
5027 | WL1271_MAX_CHANNELS); | |
a8aaaf53 LC |
5028 | /* |
5029 | * We keep local copies of the band structs because we need to | |
5030 | * modify them on a per-device basis. | |
5031 | */ | |
5032 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, | |
5033 | sizeof(wl1271_band_2ghz)); | |
4a589a6f AN |
5034 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ].ht_cap, &wl->ht_cap, |
5035 | sizeof(wl->ht_cap)); | |
a8aaaf53 LC |
5036 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, |
5037 | sizeof(wl1271_band_5ghz)); | |
4a589a6f AN |
5038 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ].ht_cap, &wl->ht_cap, |
5039 | sizeof(wl->ht_cap)); | |
a8aaaf53 LC |
5040 | |
5041 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = | |
5042 | &wl->bands[IEEE80211_BAND_2GHZ]; | |
5043 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = | |
5044 | &wl->bands[IEEE80211_BAND_5GHZ]; | |
1ebec3d7 | 5045 | |
12bd8949 | 5046 | wl->hw->queues = 4; |
31627dc5 | 5047 | wl->hw->max_rates = 1; |
12bd8949 | 5048 | |
b7417d93 JO |
5049 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
5050 | ||
9c1b190b AN |
5051 | /* the FW answers probe-requests in AP-mode */ |
5052 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; | |
5053 | wl->hw->wiphy->probe_resp_offload = | |
5054 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | | |
5055 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | | |
5056 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; | |
5057 | ||
a390e85c | 5058 | SET_IEEE80211_DEV(wl->hw, wl->dev); |
f5fc0f86 | 5059 | |
f84f7d78 | 5060 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
87fbcb0f | 5061 | wl->hw->vif_data_size = sizeof(struct wl12xx_vif); |
f84f7d78 | 5062 | |
ba421f8f | 5063 | wl->hw->max_rx_aggregation_subframes = wl->conf.ht.rx_ba_win_size; |
4c9cfa78 | 5064 | |
f5fc0f86 LC |
5065 | return 0; |
5066 | } | |
5067 | ||
f5fc0f86 | 5068 | #define WL1271_DEFAULT_CHANNEL 0 |
c332a4b8 | 5069 | |
96e0c683 | 5070 | struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size) |
f5fc0f86 | 5071 | { |
f5fc0f86 LC |
5072 | struct ieee80211_hw *hw; |
5073 | struct wl1271 *wl; | |
a8c0ddb5 | 5074 | int i, j, ret; |
1f37cbc9 | 5075 | unsigned int order; |
f5fc0f86 | 5076 | |
c7ffb902 | 5077 | BUILD_BUG_ON(AP_MAX_STATIONS > WL12XX_MAX_LINKS); |
f80c2d12 | 5078 | |
f5fc0f86 LC |
5079 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); |
5080 | if (!hw) { | |
5081 | wl1271_error("could not alloc ieee80211_hw"); | |
a1dd8187 | 5082 | ret = -ENOMEM; |
3b56dd6a TP |
5083 | goto err_hw_alloc; |
5084 | } | |
5085 | ||
f5fc0f86 LC |
5086 | wl = hw->priv; |
5087 | memset(wl, 0, sizeof(*wl)); | |
5088 | ||
96e0c683 AN |
5089 | wl->priv = kzalloc(priv_size, GFP_KERNEL); |
5090 | if (!wl->priv) { | |
5091 | wl1271_error("could not alloc wl priv"); | |
5092 | ret = -ENOMEM; | |
5093 | goto err_priv_alloc; | |
5094 | } | |
5095 | ||
87627214 | 5096 | INIT_LIST_HEAD(&wl->wlvif_list); |
01c09162 | 5097 | |
f5fc0f86 | 5098 | wl->hw = hw; |
f5fc0f86 | 5099 | |
a8c0ddb5 | 5100 | for (i = 0; i < NUM_TX_QUEUES; i++) |
c7ffb902 | 5101 | for (j = 0; j < WL12XX_MAX_LINKS; j++) |
a8c0ddb5 AN |
5102 | skb_queue_head_init(&wl->links[j].tx_queue[i]); |
5103 | ||
a620865e IY |
5104 | skb_queue_head_init(&wl->deferred_rx_queue); |
5105 | skb_queue_head_init(&wl->deferred_tx_queue); | |
5106 | ||
37b70a81 | 5107 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
a620865e | 5108 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
117b38d0 JO |
5109 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
5110 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); | |
5111 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); | |
55df5afb | 5112 | INIT_DELAYED_WORK(&wl->tx_watchdog_work, wl12xx_tx_watchdog_work); |
5f561f68 BM |
5113 | INIT_DELAYED_WORK(&wl->connection_loss_work, |
5114 | wl1271_connection_loss_work); | |
77ddaa10 | 5115 | |
92ef8960 EP |
5116 | wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); |
5117 | if (!wl->freezable_wq) { | |
5118 | ret = -ENOMEM; | |
5119 | goto err_hw; | |
5120 | } | |
5121 | ||
f5fc0f86 | 5122 | wl->channel = WL1271_DEFAULT_CHANNEL; |
f5fc0f86 | 5123 | wl->rx_counter = 0; |
f5fc0f86 | 5124 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
8a5a37a6 | 5125 | wl->band = IEEE80211_BAND_2GHZ; |
83d08d3f | 5126 | wl->channel_type = NL80211_CHAN_NO_HT; |
830fb67b | 5127 | wl->flags = 0; |
7fc3a864 | 5128 | wl->sg_enabled = true; |
d717fd61 | 5129 | wl->hw_pg_ver = -1; |
b622d992 AN |
5130 | wl->ap_ps_map = 0; |
5131 | wl->ap_fw_ps_map = 0; | |
606ea9fa | 5132 | wl->quirks = 0; |
341b7cde | 5133 | wl->platform_quirks = 0; |
33c2c06c | 5134 | wl->sched_scanning = false; |
f4df1bd5 | 5135 | wl->system_hlid = WL12XX_SYSTEM_HLID; |
da03209e | 5136 | wl->active_sta_count = 0; |
95dac04f IY |
5137 | wl->fwlog_size = 0; |
5138 | init_waitqueue_head(&wl->fwlog_waitq); | |
f5fc0f86 | 5139 | |
f4df1bd5 EP |
5140 | /* The system link is always allocated */ |
5141 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); | |
5142 | ||
25eeb9e3 | 5143 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
72b0624f | 5144 | for (i = 0; i < wl->num_tx_desc; i++) |
f5fc0f86 LC |
5145 | wl->tx_frames[i] = NULL; |
5146 | ||
5147 | spin_lock_init(&wl->wl_lock); | |
5148 | ||
f5fc0f86 | 5149 | wl->state = WL1271_STATE_OFF; |
3fcdab70 | 5150 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
f5fc0f86 LC |
5151 | mutex_init(&wl->mutex); |
5152 | ||
1f37cbc9 IY |
5153 | order = get_order(WL1271_AGGR_BUFFER_SIZE); |
5154 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); | |
5155 | if (!wl->aggr_buf) { | |
5156 | ret = -ENOMEM; | |
92ef8960 | 5157 | goto err_wq; |
1f37cbc9 IY |
5158 | } |
5159 | ||
990f5de7 IY |
5160 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
5161 | if (!wl->dummy_packet) { | |
5162 | ret = -ENOMEM; | |
5163 | goto err_aggr; | |
5164 | } | |
5165 | ||
95dac04f IY |
5166 | /* Allocate one page for the FW log */ |
5167 | wl->fwlog = (u8 *)get_zeroed_page(GFP_KERNEL); | |
5168 | if (!wl->fwlog) { | |
5169 | ret = -ENOMEM; | |
5170 | goto err_dummy_packet; | |
5171 | } | |
5172 | ||
fd492ed7 | 5173 | wl->mbox = kmalloc(sizeof(*wl->mbox), GFP_KERNEL | GFP_DMA); |
690142e9 MG |
5174 | if (!wl->mbox) { |
5175 | ret = -ENOMEM; | |
5176 | goto err_fwlog; | |
5177 | } | |
5178 | ||
c332a4b8 | 5179 | return hw; |
a1dd8187 | 5180 | |
690142e9 MG |
5181 | err_fwlog: |
5182 | free_page((unsigned long)wl->fwlog); | |
5183 | ||
990f5de7 IY |
5184 | err_dummy_packet: |
5185 | dev_kfree_skb(wl->dummy_packet); | |
5186 | ||
1f37cbc9 IY |
5187 | err_aggr: |
5188 | free_pages((unsigned long)wl->aggr_buf, order); | |
5189 | ||
92ef8960 EP |
5190 | err_wq: |
5191 | destroy_workqueue(wl->freezable_wq); | |
5192 | ||
a1dd8187 | 5193 | err_hw: |
3b56dd6a | 5194 | wl1271_debugfs_exit(wl); |
96e0c683 AN |
5195 | kfree(wl->priv); |
5196 | ||
5197 | err_priv_alloc: | |
3b56dd6a TP |
5198 | ieee80211_free_hw(hw); |
5199 | ||
5200 | err_hw_alloc: | |
a1dd8187 | 5201 | |
a1dd8187 | 5202 | return ERR_PTR(ret); |
c332a4b8 | 5203 | } |
ffeb501c | 5204 | EXPORT_SYMBOL_GPL(wlcore_alloc_hw); |
c332a4b8 | 5205 | |
ffeb501c | 5206 | int wlcore_free_hw(struct wl1271 *wl) |
c332a4b8 | 5207 | { |
95dac04f IY |
5208 | /* Unblock any fwlog readers */ |
5209 | mutex_lock(&wl->mutex); | |
5210 | wl->fwlog_size = -1; | |
5211 | wake_up_interruptible_all(&wl->fwlog_waitq); | |
5212 | mutex_unlock(&wl->mutex); | |
5213 | ||
f79f890c | 5214 | device_remove_bin_file(wl->dev, &fwlog_attr); |
6f07b72a | 5215 | |
f79f890c | 5216 | device_remove_file(wl->dev, &dev_attr_hw_pg_ver); |
6f07b72a | 5217 | |
f79f890c | 5218 | device_remove_file(wl->dev, &dev_attr_bt_coex_state); |
95dac04f | 5219 | free_page((unsigned long)wl->fwlog); |
990f5de7 | 5220 | dev_kfree_skb(wl->dummy_packet); |
1f37cbc9 IY |
5221 | free_pages((unsigned long)wl->aggr_buf, |
5222 | get_order(WL1271_AGGR_BUFFER_SIZE)); | |
c332a4b8 TP |
5223 | |
5224 | wl1271_debugfs_exit(wl); | |
5225 | ||
c332a4b8 TP |
5226 | vfree(wl->fw); |
5227 | wl->fw = NULL; | |
3fcdab70 | 5228 | wl->fw_type = WL12XX_FW_TYPE_NONE; |
c332a4b8 TP |
5229 | kfree(wl->nvs); |
5230 | wl->nvs = NULL; | |
5231 | ||
0afd04e5 | 5232 | kfree(wl->fw_status_1); |
c332a4b8 | 5233 | kfree(wl->tx_res_if); |
92ef8960 | 5234 | destroy_workqueue(wl->freezable_wq); |
c332a4b8 | 5235 | |
96e0c683 | 5236 | kfree(wl->priv); |
c332a4b8 TP |
5237 | ieee80211_free_hw(wl->hw); |
5238 | ||
5239 | return 0; | |
5240 | } | |
ffeb501c | 5241 | EXPORT_SYMBOL_GPL(wlcore_free_hw); |
50b3eb4b | 5242 | |
a390e85c FB |
5243 | static irqreturn_t wl12xx_hardirq(int irq, void *cookie) |
5244 | { | |
5245 | struct wl1271 *wl = cookie; | |
5246 | unsigned long flags; | |
5247 | ||
5248 | wl1271_debug(DEBUG_IRQ, "IRQ"); | |
5249 | ||
5250 | /* complete the ELP completion */ | |
5251 | spin_lock_irqsave(&wl->wl_lock, flags); | |
5252 | set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); | |
5253 | if (wl->elp_compl) { | |
5254 | complete(wl->elp_compl); | |
5255 | wl->elp_compl = NULL; | |
5256 | } | |
5257 | ||
5258 | if (test_bit(WL1271_FLAG_SUSPENDED, &wl->flags)) { | |
5259 | /* don't enqueue a work right now. mark it as pending */ | |
5260 | set_bit(WL1271_FLAG_PENDING_WORK, &wl->flags); | |
5261 | wl1271_debug(DEBUG_IRQ, "should not enqueue work"); | |
5262 | disable_irq_nosync(wl->irq); | |
5263 | pm_wakeup_event(wl->dev, 0); | |
5264 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
5265 | return IRQ_HANDLED; | |
5266 | } | |
5267 | spin_unlock_irqrestore(&wl->wl_lock, flags); | |
5268 | ||
5269 | return IRQ_WAKE_THREAD; | |
5270 | } | |
5271 | ||
ffeb501c | 5272 | int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) |
ce2a217c | 5273 | { |
a390e85c | 5274 | struct wl12xx_platform_data *pdata = pdev->dev.platform_data; |
a390e85c | 5275 | unsigned long irqflags; |
ffeb501c | 5276 | int ret; |
a390e85c | 5277 | |
25a43d78 | 5278 | if (!wl->ops || !wl->ptable) { |
c31be25a LC |
5279 | ret = -EINVAL; |
5280 | goto out_free_hw; | |
a390e85c FB |
5281 | } |
5282 | ||
72b0624f AN |
5283 | BUG_ON(wl->num_tx_desc > WLCORE_MAX_TX_DESCRIPTORS); |
5284 | ||
e87288f0 LC |
5285 | /* adjust some runtime configuration parameters */ |
5286 | wlcore_adjust_conf(wl); | |
5287 | ||
a390e85c | 5288 | wl->irq = platform_get_irq(pdev, 0); |
a390e85c FB |
5289 | wl->platform_quirks = pdata->platform_quirks; |
5290 | wl->set_power = pdata->set_power; | |
5291 | wl->dev = &pdev->dev; | |
5292 | wl->if_ops = pdata->ops; | |
5293 | ||
5294 | platform_set_drvdata(pdev, wl); | |
5295 | ||
5296 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) | |
5297 | irqflags = IRQF_TRIGGER_RISING; | |
5298 | else | |
5299 | irqflags = IRQF_TRIGGER_HIGH | IRQF_ONESHOT; | |
5300 | ||
5301 | ret = request_threaded_irq(wl->irq, wl12xx_hardirq, wl1271_irq, | |
5302 | irqflags, | |
5303 | pdev->name, wl); | |
5304 | if (ret < 0) { | |
5305 | wl1271_error("request_irq() failed: %d", ret); | |
5306 | goto out_free_hw; | |
5307 | } | |
5308 | ||
5309 | ret = enable_irq_wake(wl->irq); | |
5310 | if (!ret) { | |
5311 | wl->irq_wake_enabled = true; | |
5312 | device_init_wakeup(wl->dev, 1); | |
b95d7cef | 5313 | if (pdata->pwr_in_suspend) { |
ffeb501c | 5314 | wl->hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY; |
b95d7cef ES |
5315 | wl->hw->wiphy->wowlan.n_patterns = |
5316 | WL1271_MAX_RX_FILTERS; | |
5317 | wl->hw->wiphy->wowlan.pattern_min_len = 1; | |
5318 | wl->hw->wiphy->wowlan.pattern_max_len = | |
5319 | WL1271_RX_FILTER_MAX_PATTERN_SIZE; | |
5320 | } | |
a390e85c FB |
5321 | } |
5322 | disable_irq(wl->irq); | |
5323 | ||
4afc37a0 LC |
5324 | ret = wl12xx_get_hw_info(wl); |
5325 | if (ret < 0) { | |
5326 | wl1271_error("couldn't get hw info"); | |
5327 | goto out; | |
5328 | } | |
5329 | ||
5330 | ret = wl->ops->identify_chip(wl); | |
5331 | if (ret < 0) | |
5332 | goto out; | |
5333 | ||
a390e85c FB |
5334 | ret = wl1271_init_ieee80211(wl); |
5335 | if (ret) | |
5336 | goto out_irq; | |
5337 | ||
5338 | ret = wl1271_register_hw(wl); | |
5339 | if (ret) | |
5340 | goto out_irq; | |
5341 | ||
f79f890c FB |
5342 | /* Create sysfs file to control bt coex state */ |
5343 | ret = device_create_file(wl->dev, &dev_attr_bt_coex_state); | |
5344 | if (ret < 0) { | |
5345 | wl1271_error("failed to create sysfs file bt_coex_state"); | |
5346 | goto out_irq; | |
5347 | } | |
5348 | ||
5349 | /* Create sysfs file to get HW PG version */ | |
5350 | ret = device_create_file(wl->dev, &dev_attr_hw_pg_ver); | |
5351 | if (ret < 0) { | |
5352 | wl1271_error("failed to create sysfs file hw_pg_ver"); | |
5353 | goto out_bt_coex_state; | |
5354 | } | |
5355 | ||
5356 | /* Create sysfs file for the FW log */ | |
5357 | ret = device_create_bin_file(wl->dev, &fwlog_attr); | |
5358 | if (ret < 0) { | |
5359 | wl1271_error("failed to create sysfs file fwlog"); | |
5360 | goto out_hw_pg_ver; | |
5361 | } | |
5362 | ||
ffeb501c | 5363 | goto out; |
a390e85c | 5364 | |
f79f890c FB |
5365 | out_hw_pg_ver: |
5366 | device_remove_file(wl->dev, &dev_attr_hw_pg_ver); | |
5367 | ||
5368 | out_bt_coex_state: | |
5369 | device_remove_file(wl->dev, &dev_attr_bt_coex_state); | |
5370 | ||
a390e85c FB |
5371 | out_irq: |
5372 | free_irq(wl->irq, wl); | |
5373 | ||
5374 | out_free_hw: | |
ffeb501c | 5375 | wlcore_free_hw(wl); |
a390e85c FB |
5376 | |
5377 | out: | |
5378 | return ret; | |
ce2a217c | 5379 | } |
b2ba99ff | 5380 | EXPORT_SYMBOL_GPL(wlcore_probe); |
ce2a217c | 5381 | |
b2ba99ff | 5382 | int __devexit wlcore_remove(struct platform_device *pdev) |
ce2a217c | 5383 | { |
a390e85c FB |
5384 | struct wl1271 *wl = platform_get_drvdata(pdev); |
5385 | ||
5386 | if (wl->irq_wake_enabled) { | |
5387 | device_init_wakeup(wl->dev, 0); | |
5388 | disable_irq_wake(wl->irq); | |
5389 | } | |
5390 | wl1271_unregister_hw(wl); | |
5391 | free_irq(wl->irq, wl); | |
ffeb501c | 5392 | wlcore_free_hw(wl); |
a390e85c | 5393 | |
ce2a217c FB |
5394 | return 0; |
5395 | } | |
b2ba99ff | 5396 | EXPORT_SYMBOL_GPL(wlcore_remove); |
ce2a217c | 5397 | |
491bbd6b | 5398 | u32 wl12xx_debug_level = DEBUG_NONE; |
17c1755c | 5399 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
491bbd6b | 5400 | module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR); |
17c1755c EP |
5401 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
5402 | ||
95dac04f | 5403 | module_param_named(fwlog, fwlog_param, charp, 0); |
2c882fa4 | 5404 | MODULE_PARM_DESC(fwlog, |
95dac04f IY |
5405 | "FW logger options: continuous, ondemand, dbgpins or disable"); |
5406 | ||
2a5bff09 EP |
5407 | module_param(bug_on_recovery, bool, S_IRUSR | S_IWUSR); |
5408 | MODULE_PARM_DESC(bug_on_recovery, "BUG() on fw recovery"); | |
5409 | ||
34785be5 AN |
5410 | module_param(no_recovery, bool, S_IRUSR | S_IWUSR); |
5411 | MODULE_PARM_DESC(no_recovery, "Prevent HW recovery. FW will remain stuck."); | |
5412 | ||
50b3eb4b | 5413 | MODULE_LICENSE("GPL"); |
b1a48cab | 5414 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
50b3eb4b | 5415 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |