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Commit | Line | Data |
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f5fc0f86 LC |
1 | /* |
2 | * This file is part of wl1271 | |
3 | * | |
2f826f55 | 4 | * Copyright (C) 2009-2010 Nokia Corporation |
f5fc0f86 LC |
5 | * |
6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/module.h> | |
25 | #include <linux/platform_device.h> | |
f5fc0f86 LC |
26 | #include <linux/spi/spi.h> |
27 | #include <linux/etherdevice.h> | |
023e0826 | 28 | #include <linux/ieee80211.h> |
5a0e3ad6 | 29 | #include <linux/slab.h> |
f5fc0f86 | 30 | |
c31be25a | 31 | #include "wlcore.h" |
0f4e3122 | 32 | #include "debug.h" |
00d20100 SL |
33 | #include "io.h" |
34 | #include "acx.h" | |
f5fc0f86 | 35 | #include "wl12xx_80211.h" |
00d20100 SL |
36 | #include "cmd.h" |
37 | #include "event.h" | |
98bdaabb | 38 | #include "tx.h" |
60462b48 | 39 | #include "hw_ops.h" |
f5fc0f86 | 40 | |
16092b5c | 41 | #define WL1271_CMD_FAST_POLL_COUNT 50 |
c45ee4ff | 42 | #define WL1271_WAIT_EVENT_FAST_POLL_COUNT 20 |
f5fc0f86 LC |
43 | |
44 | /* | |
45 | * send command to firmware | |
46 | * | |
47 | * @wl: wl struct | |
48 | * @id: command id | |
49 | * @buf: buffer containing the command, must work with dma | |
50 | * @len: length of the buffer | |
51 | */ | |
fa867e73 JO |
52 | int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, |
53 | size_t res_len) | |
f5fc0f86 LC |
54 | { |
55 | struct wl1271_cmd_header *cmd; | |
56 | unsigned long timeout; | |
57 | u32 intr; | |
58 | int ret = 0; | |
ad150e96 | 59 | u16 status; |
bc0f03ea | 60 | u16 poll_count = 0; |
f5fc0f86 | 61 | |
4cc53383 IY |
62 | if (WARN_ON(unlikely(wl->state == WLCORE_STATE_RESTARTING))) |
63 | return -EIO; | |
64 | ||
f5fc0f86 | 65 | cmd = buf; |
d0f63b20 | 66 | cmd->id = cpu_to_le16(id); |
f5fc0f86 LC |
67 | cmd->status = 0; |
68 | ||
69 | WARN_ON(len % 4 != 0); | |
24225b37 | 70 | WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags)); |
f5fc0f86 | 71 | |
eb96f841 IY |
72 | ret = wlcore_write(wl, wl->cmd_box_addr, buf, len, false); |
73 | if (ret < 0) | |
74 | goto fail; | |
f5fc0f86 | 75 | |
f16ff758 LC |
76 | /* |
77 | * TODO: we just need this because one bit is in a different | |
78 | * place. Is there any better way? | |
79 | */ | |
eb96f841 IY |
80 | ret = wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len); |
81 | if (ret < 0) | |
82 | goto fail; | |
f5fc0f86 LC |
83 | |
84 | timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); | |
85 | ||
6134323f IY |
86 | ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); |
87 | if (ret < 0) | |
88 | goto fail; | |
89 | ||
f5fc0f86 LC |
90 | while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { |
91 | if (time_after(jiffies, timeout)) { | |
92 | wl1271_error("command complete timeout"); | |
93 | ret = -ETIMEDOUT; | |
f482b762 | 94 | goto fail; |
f5fc0f86 LC |
95 | } |
96 | ||
bc0f03ea | 97 | poll_count++; |
16092b5c JO |
98 | if (poll_count < WL1271_CMD_FAST_POLL_COUNT) |
99 | udelay(10); | |
100 | else | |
101 | msleep(1); | |
f5fc0f86 | 102 | |
6134323f IY |
103 | ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr); |
104 | if (ret < 0) | |
105 | goto fail; | |
f5fc0f86 LC |
106 | } |
107 | ||
3b775b4b | 108 | /* read back the status code of the command */ |
fa867e73 JO |
109 | if (res_len == 0) |
110 | res_len = sizeof(struct wl1271_cmd_header); | |
045b9b5f IY |
111 | |
112 | ret = wlcore_read(wl, wl->cmd_box_addr, cmd, res_len, false); | |
113 | if (ret < 0) | |
114 | goto fail; | |
3b775b4b | 115 | |
ad150e96 JO |
116 | status = le16_to_cpu(cmd->status); |
117 | if (status != CMD_STATUS_SUCCESS) { | |
118 | wl1271_error("command execute failure %d", status); | |
3b775b4b | 119 | ret = -EIO; |
f482b762 | 120 | goto fail; |
3b775b4b JO |
121 | } |
122 | ||
b0f0ad39 IY |
123 | ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK, |
124 | WL1271_ACX_INTR_CMD_COMPLETE); | |
125 | if (ret < 0) | |
126 | goto fail; | |
127 | ||
f482b762 | 128 | return 0; |
f5fc0f86 | 129 | |
f482b762 | 130 | fail: |
baacb9ae | 131 | wl12xx_queue_recovery_work(wl); |
f5fc0f86 LC |
132 | return ret; |
133 | } | |
134 | ||
99d84c1d LC |
135 | /* |
136 | * Poll the mailbox event field until any of the bits in the mask is set or a | |
137 | * timeout occurs (WL1271_EVENT_TIMEOUT in msecs) | |
138 | */ | |
6c15c1aa ES |
139 | static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, |
140 | u32 mask, bool *timeout) | |
99d84c1d | 141 | { |
690142e9 MG |
142 | u32 *events_vector; |
143 | u32 event; | |
6c15c1aa | 144 | unsigned long timeout_time; |
c45ee4ff | 145 | u16 poll_count = 0; |
690142e9 MG |
146 | int ret = 0; |
147 | ||
6c15c1aa ES |
148 | *timeout = false; |
149 | ||
0230dfea DC |
150 | events_vector = kmalloc(sizeof(*events_vector), GFP_KERNEL | GFP_DMA); |
151 | if (!events_vector) | |
152 | return -ENOMEM; | |
99d84c1d | 153 | |
6c15c1aa | 154 | timeout_time = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT); |
99d84c1d LC |
155 | |
156 | do { | |
6c15c1aa | 157 | if (time_after(jiffies, timeout_time)) { |
05285cf9 AN |
158 | wl1271_debug(DEBUG_CMD, "timeout waiting for event %d", |
159 | (int)mask); | |
6c15c1aa | 160 | *timeout = true; |
690142e9 | 161 | goto out; |
52b0e7a6 | 162 | } |
99d84c1d | 163 | |
c45ee4ff YD |
164 | poll_count++; |
165 | if (poll_count < WL1271_WAIT_EVENT_FAST_POLL_COUNT) | |
166 | usleep_range(50, 51); | |
167 | else | |
168 | usleep_range(1000, 5000); | |
99d84c1d LC |
169 | |
170 | /* read from both event fields */ | |
045b9b5f IY |
171 | ret = wlcore_read(wl, wl->mbox_ptr[0], events_vector, |
172 | sizeof(*events_vector), false); | |
173 | if (ret < 0) | |
174 | goto out; | |
175 | ||
690142e9 | 176 | event = *events_vector & mask; |
045b9b5f IY |
177 | |
178 | ret = wlcore_read(wl, wl->mbox_ptr[1], events_vector, | |
179 | sizeof(*events_vector), false); | |
180 | if (ret < 0) | |
181 | goto out; | |
182 | ||
690142e9 | 183 | event |= *events_vector & mask; |
99d84c1d LC |
184 | } while (!event); |
185 | ||
690142e9 MG |
186 | out: |
187 | kfree(events_vector); | |
188 | return ret; | |
99d84c1d LC |
189 | } |
190 | ||
05285cf9 AN |
191 | static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask) |
192 | { | |
193 | int ret; | |
6c15c1aa | 194 | bool timeout = false; |
05285cf9 | 195 | |
6c15c1aa ES |
196 | ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask, &timeout); |
197 | if (ret != 0 || timeout) { | |
baacb9ae | 198 | wl12xx_queue_recovery_work(wl); |
05285cf9 AN |
199 | return ret; |
200 | } | |
201 | ||
202 | return 0; | |
203 | } | |
204 | ||
784f694d EP |
205 | int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, |
206 | u8 *role_id) | |
f5fc0f86 | 207 | { |
c690ec81 EP |
208 | struct wl12xx_cmd_role_enable *cmd; |
209 | int ret; | |
210 | ||
211 | wl1271_debug(DEBUG_CMD, "cmd role enable"); | |
212 | ||
213 | if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID)) | |
214 | return -EBUSY; | |
215 | ||
216 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
217 | if (!cmd) { | |
218 | ret = -ENOMEM; | |
219 | goto out; | |
220 | } | |
221 | ||
222 | /* get role id */ | |
223 | cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES); | |
224 | if (cmd->role_id >= WL12XX_MAX_ROLES) { | |
225 | ret = -EBUSY; | |
226 | goto out_free; | |
227 | } | |
228 | ||
784f694d | 229 | memcpy(cmd->mac_address, addr, ETH_ALEN); |
c690ec81 EP |
230 | cmd->role_type = role_type; |
231 | ||
232 | ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0); | |
233 | if (ret < 0) { | |
234 | wl1271_error("failed to initiate cmd role enable"); | |
235 | goto out_free; | |
236 | } | |
237 | ||
238 | __set_bit(cmd->role_id, wl->roles_map); | |
239 | *role_id = cmd->role_id; | |
f5fc0f86 | 240 | |
c690ec81 EP |
241 | out_free: |
242 | kfree(cmd); | |
243 | ||
244 | out: | |
245 | return ret; | |
246 | } | |
247 | ||
248 | int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id) | |
249 | { | |
250 | struct wl12xx_cmd_role_disable *cmd; | |
251 | int ret; | |
252 | ||
253 | wl1271_debug(DEBUG_CMD, "cmd role disable"); | |
254 | ||
255 | if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID)) | |
256 | return -ENOENT; | |
257 | ||
258 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
259 | if (!cmd) { | |
f5fc0f86 LC |
260 | ret = -ENOMEM; |
261 | goto out; | |
262 | } | |
c690ec81 EP |
263 | cmd->role_id = *role_id; |
264 | ||
265 | ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0); | |
266 | if (ret < 0) { | |
267 | wl1271_error("failed to initiate cmd role disable"); | |
268 | goto out_free; | |
269 | } | |
f5fc0f86 | 270 | |
c690ec81 EP |
271 | __clear_bit(*role_id, wl->roles_map); |
272 | *role_id = WL12XX_INVALID_ROLE_ID; | |
f5fc0f86 | 273 | |
c690ec81 EP |
274 | out_free: |
275 | kfree(cmd); | |
276 | ||
277 | out: | |
278 | return ret; | |
279 | } | |
280 | ||
c7ffb902 | 281 | int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) |
c690ec81 | 282 | { |
0b0e32b7 | 283 | unsigned long flags; |
c690ec81 EP |
284 | u8 link = find_first_zero_bit(wl->links_map, WL12XX_MAX_LINKS); |
285 | if (link >= WL12XX_MAX_LINKS) | |
286 | return -EBUSY; | |
287 | ||
0b0e32b7 AN |
288 | /* these bits are used by op_tx */ |
289 | spin_lock_irqsave(&wl->wl_lock, flags); | |
c690ec81 | 290 | __set_bit(link, wl->links_map); |
c7ffb902 | 291 | __set_bit(link, wlvif->links_map); |
0b0e32b7 | 292 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
c690ec81 EP |
293 | *hlid = link; |
294 | return 0; | |
295 | } | |
296 | ||
c7ffb902 | 297 | void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) |
c690ec81 | 298 | { |
0b0e32b7 AN |
299 | unsigned long flags; |
300 | ||
c690ec81 EP |
301 | if (*hlid == WL12XX_INVALID_LINK_ID) |
302 | return; | |
303 | ||
0b0e32b7 AN |
304 | /* these bits are used by op_tx */ |
305 | spin_lock_irqsave(&wl->wl_lock, flags); | |
c690ec81 | 306 | __clear_bit(*hlid, wl->links_map); |
c7ffb902 | 307 | __clear_bit(*hlid, wlvif->links_map); |
0b0e32b7 | 308 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
6246ca00 AN |
309 | |
310 | /* | |
311 | * At this point op_tx() will not add more packets to the queues. We | |
312 | * can purge them. | |
313 | */ | |
314 | wl1271_tx_reset_link_queues(wl, *hlid); | |
315 | ||
c690ec81 EP |
316 | *hlid = WL12XX_INVALID_LINK_ID; |
317 | } | |
318 | ||
98b86253 EP |
319 | static int wl12xx_get_new_session_id(struct wl1271 *wl, |
320 | struct wl12xx_vif *wlvif) | |
712e9bf7 | 321 | { |
98b86253 EP |
322 | if (wlvif->session_counter >= SESSION_COUNTER_MAX) |
323 | wlvif->session_counter = 0; | |
712e9bf7 | 324 | |
98b86253 | 325 | wlvif->session_counter++; |
712e9bf7 | 326 | |
98b86253 | 327 | return wlvif->session_counter; |
712e9bf7 AN |
328 | } |
329 | ||
a6298dbe AN |
330 | static u8 wlcore_get_native_channel_type(u8 nl_channel_type) |
331 | { | |
332 | switch (nl_channel_type) { | |
333 | case NL80211_CHAN_NO_HT: | |
334 | return WLCORE_CHAN_NO_HT; | |
335 | case NL80211_CHAN_HT20: | |
336 | return WLCORE_CHAN_HT20; | |
337 | case NL80211_CHAN_HT40MINUS: | |
338 | return WLCORE_CHAN_HT40MINUS; | |
339 | case NL80211_CHAN_HT40PLUS: | |
340 | return WLCORE_CHAN_HT40PLUS; | |
341 | default: | |
342 | WARN_ON(1); | |
343 | return WLCORE_CHAN_NO_HT; | |
344 | } | |
345 | } | |
346 | ||
679a6734 EP |
347 | static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, |
348 | struct wl12xx_vif *wlvif) | |
04e8079c EP |
349 | { |
350 | struct wl12xx_cmd_role_start *cmd; | |
351 | int ret; | |
352 | ||
353 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
354 | if (!cmd) { | |
355 | ret = -ENOMEM; | |
356 | goto out; | |
357 | } | |
358 | ||
7edebf56 | 359 | wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id); |
04e8079c | 360 | |
7edebf56 | 361 | cmd->role_id = wlvif->dev_role_id; |
1b92f15e | 362 | if (wlvif->band == IEEE80211_BAND_5GHZ) |
00782136 | 363 | cmd->band = WLCORE_BAND_5GHZ; |
61f845f4 | 364 | cmd->channel = wlvif->channel; |
04e8079c | 365 | |
afaf8bdb | 366 | if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) { |
c7ffb902 | 367 | ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid); |
04e8079c EP |
368 | if (ret) |
369 | goto out_free; | |
370 | } | |
afaf8bdb | 371 | cmd->device.hlid = wlvif->dev_hlid; |
b32b2b0f | 372 | cmd->device.session = wl12xx_get_new_session_id(wl, wlvif); |
04e8079c EP |
373 | |
374 | wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", | |
375 | cmd->role_id, cmd->device.hlid, cmd->device.session); | |
376 | ||
377 | ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); | |
378 | if (ret < 0) { | |
379 | wl1271_error("failed to initiate cmd role enable"); | |
380 | goto err_hlid; | |
381 | } | |
382 | ||
383 | goto out_free; | |
384 | ||
385 | err_hlid: | |
386 | /* clear links on error */ | |
c7ffb902 | 387 | wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); |
04e8079c EP |
388 | |
389 | out_free: | |
390 | kfree(cmd); | |
391 | ||
392 | out: | |
393 | return ret; | |
394 | } | |
395 | ||
679a6734 EP |
396 | static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl, |
397 | struct wl12xx_vif *wlvif) | |
04e8079c EP |
398 | { |
399 | struct wl12xx_cmd_role_stop *cmd; | |
400 | int ret; | |
401 | ||
afaf8bdb | 402 | if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID)) |
04e8079c EP |
403 | return -EINVAL; |
404 | ||
405 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
406 | if (!cmd) { | |
407 | ret = -ENOMEM; | |
408 | goto out; | |
409 | } | |
410 | ||
411 | wl1271_debug(DEBUG_CMD, "cmd role stop dev"); | |
412 | ||
7edebf56 | 413 | cmd->role_id = wlvif->dev_role_id; |
04e8079c EP |
414 | cmd->disc_type = DISCONNECT_IMMEDIATE; |
415 | cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); | |
416 | ||
417 | ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); | |
418 | if (ret < 0) { | |
419 | wl1271_error("failed to initiate cmd role stop"); | |
420 | goto out_free; | |
421 | } | |
422 | ||
8332f0f6 | 423 | ret = wl1271_cmd_wait_for_event(wl, ROLE_STOP_COMPLETE_EVENT_ID); |
04e8079c EP |
424 | if (ret < 0) { |
425 | wl1271_error("cmd role stop dev event completion error"); | |
426 | goto out_free; | |
427 | } | |
428 | ||
c7ffb902 | 429 | wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); |
04e8079c EP |
430 | |
431 | out_free: | |
432 | kfree(cmd); | |
433 | ||
434 | out: | |
435 | return ret; | |
436 | } | |
437 | ||
87fbcb0f | 438 | int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c690ec81 | 439 | { |
cdf09495 | 440 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
c690ec81 EP |
441 | struct wl12xx_cmd_role_start *cmd; |
442 | int ret; | |
f5fc0f86 | 443 | |
c690ec81 EP |
444 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
445 | if (!cmd) { | |
446 | ret = -ENOMEM; | |
447 | goto out; | |
448 | } | |
f5fc0f86 | 449 | |
0603d891 | 450 | wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wlvif->role_id); |
c690ec81 | 451 | |
0603d891 | 452 | cmd->role_id = wlvif->role_id; |
1b92f15e | 453 | if (wlvif->band == IEEE80211_BAND_5GHZ) |
00782136 | 454 | cmd->band = WLCORE_BAND_5GHZ; |
61f845f4 | 455 | cmd->channel = wlvif->channel; |
87fbcb0f | 456 | cmd->sta.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
6a899796 | 457 | cmd->sta.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
c690ec81 | 458 | cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY; |
1fe9f161 EP |
459 | cmd->sta.ssid_len = wlvif->ssid_len; |
460 | memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); | |
cdf09495 | 461 | memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); |
30d0c8fd | 462 | cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); |
a6298dbe | 463 | cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); |
c690ec81 | 464 | |
154da67c | 465 | if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { |
c7ffb902 | 466 | ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); |
c690ec81 EP |
467 | if (ret) |
468 | goto out_free; | |
469 | } | |
154da67c | 470 | cmd->sta.hlid = wlvif->sta.hlid; |
98b86253 | 471 | cmd->sta.session = wl12xx_get_new_session_id(wl, wlvif); |
30d0c8fd | 472 | cmd->sta.remote_rates = cpu_to_le32(wlvif->rate_set); |
c690ec81 EP |
473 | |
474 | wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " | |
475 | "basic_rate_set: 0x%x, remote_rates: 0x%x", | |
0603d891 | 476 | wlvif->role_id, cmd->sta.hlid, cmd->sta.session, |
30d0c8fd | 477 | wlvif->basic_rate_set, wlvif->rate_set); |
c690ec81 EP |
478 | |
479 | ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); | |
480 | if (ret < 0) { | |
481 | wl1271_error("failed to initiate cmd role start sta"); | |
482 | goto err_hlid; | |
483 | } | |
484 | ||
485 | goto out_free; | |
486 | ||
487 | err_hlid: | |
488 | /* clear links on error. */ | |
c7ffb902 | 489 | wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
c690ec81 EP |
490 | |
491 | out_free: | |
492 | kfree(cmd); | |
493 | ||
494 | out: | |
495 | return ret; | |
496 | } | |
f5fc0f86 | 497 | |
31cd3aed | 498 | /* use this function to stop ibss as well */ |
0603d891 | 499 | int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c690ec81 EP |
500 | { |
501 | struct wl12xx_cmd_role_stop *cmd; | |
502 | int ret; | |
5285eb54 | 503 | bool timeout = false; |
c690ec81 | 504 | |
154da67c | 505 | if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) |
c690ec81 EP |
506 | return -EINVAL; |
507 | ||
508 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
509 | if (!cmd) { | |
510 | ret = -ENOMEM; | |
511 | goto out; | |
512 | } | |
a4102645 | 513 | |
0603d891 | 514 | wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wlvif->role_id); |
f5fc0f86 | 515 | |
0603d891 | 516 | cmd->role_id = wlvif->role_id; |
c690ec81 EP |
517 | cmd->disc_type = DISCONNECT_IMMEDIATE; |
518 | cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); | |
f5fc0f86 | 519 | |
c690ec81 EP |
520 | ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); |
521 | if (ret < 0) { | |
522 | wl1271_error("failed to initiate cmd role stop sta"); | |
523 | goto out_free; | |
524 | } | |
72c2d9e5 | 525 | |
5285eb54 LC |
526 | /* |
527 | * Sometimes the firmware doesn't send this event, so we just | |
528 | * time out without failing. Queue recovery for other | |
529 | * failures. | |
530 | */ | |
531 | ret = wl1271_cmd_wait_for_event_or_timeout(wl, | |
532 | ROLE_STOP_COMPLETE_EVENT_ID, | |
533 | &timeout); | |
534 | if (ret) | |
535 | wl12xx_queue_recovery_work(wl); | |
536 | ||
c7ffb902 | 537 | wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
c690ec81 EP |
538 | |
539 | out_free: | |
540 | kfree(cmd); | |
541 | ||
542 | out: | |
543 | return ret; | |
544 | } | |
545 | ||
87fbcb0f | 546 | int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c690ec81 EP |
547 | { |
548 | struct wl12xx_cmd_role_start *cmd; | |
6e8cd331 EP |
549 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
550 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
60462b48 | 551 | u32 supported_rates; |
c690ec81 EP |
552 | int ret; |
553 | ||
0603d891 | 554 | wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); |
c690ec81 | 555 | |
68eaaf6e | 556 | /* trying to use hidden SSID with an old hostapd version */ |
1fe9f161 | 557 | if (wlvif->ssid_len == 0 && !bss_conf->hidden_ssid) { |
68eaaf6e | 558 | wl1271_error("got a null SSID from beacon/bss"); |
c690ec81 EP |
559 | ret = -EINVAL; |
560 | goto out; | |
561 | } | |
562 | ||
563 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
564 | if (!cmd) { | |
565 | ret = -ENOMEM; | |
566 | goto out; | |
567 | } | |
568 | ||
c7ffb902 | 569 | ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.global_hlid); |
e51ae9be AN |
570 | if (ret < 0) |
571 | goto out_free; | |
572 | ||
c7ffb902 | 573 | ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
e51ae9be AN |
574 | if (ret < 0) |
575 | goto out_free_global; | |
576 | ||
0603d891 | 577 | cmd->role_id = wlvif->role_id; |
c690ec81 EP |
578 | cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); |
579 | cmd->ap.bss_index = WL1271_AP_BSS_INDEX; | |
a8ab39a4 EP |
580 | cmd->ap.global_hlid = wlvif->ap.global_hlid; |
581 | cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid; | |
87fbcb0f | 582 | cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
6a899796 | 583 | cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
c690ec81 EP |
584 | cmd->ap.dtim_interval = bss_conf->dtim_period; |
585 | cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; | |
8332f0f6 EP |
586 | /* FIXME: Change when adding DFS */ |
587 | cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ | |
61f845f4 | 588 | cmd->channel = wlvif->channel; |
a6298dbe | 589 | cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); |
68eaaf6e AN |
590 | |
591 | if (!bss_conf->hidden_ssid) { | |
592 | /* take the SSID from the beacon for backward compatibility */ | |
593 | cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC; | |
1fe9f161 EP |
594 | cmd->ap.ssid_len = wlvif->ssid_len; |
595 | memcpy(cmd->ap.ssid, wlvif->ssid, wlvif->ssid_len); | |
68eaaf6e AN |
596 | } else { |
597 | cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN; | |
598 | cmd->ap.ssid_len = bss_conf->ssid_len; | |
599 | memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); | |
600 | } | |
601 | ||
60462b48 LC |
602 | supported_rates = CONF_TX_AP_ENABLED_RATES | CONF_TX_MCS_RATES | |
603 | wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); | |
604 | ||
605 | wl1271_debug(DEBUG_CMD, "cmd role start ap with supported_rates 0x%08x", | |
606 | supported_rates); | |
607 | ||
608 | cmd->ap.local_rates = cpu_to_le32(supported_rates); | |
c690ec81 | 609 | |
1b92f15e | 610 | switch (wlvif->band) { |
c690ec81 | 611 | case IEEE80211_BAND_2GHZ: |
00782136 | 612 | cmd->band = WLCORE_BAND_2_4GHZ; |
c690ec81 EP |
613 | break; |
614 | case IEEE80211_BAND_5GHZ: | |
00782136 | 615 | cmd->band = WLCORE_BAND_5GHZ; |
c690ec81 EP |
616 | break; |
617 | default: | |
1b92f15e | 618 | wl1271_warning("ap start - unknown band: %d", (int)wlvif->band); |
00782136 | 619 | cmd->band = WLCORE_BAND_2_4GHZ; |
c690ec81 EP |
620 | break; |
621 | } | |
622 | ||
623 | ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); | |
624 | if (ret < 0) { | |
625 | wl1271_error("failed to initiate cmd role start ap"); | |
e51ae9be | 626 | goto out_free_bcast; |
c690ec81 | 627 | } |
f5fc0f86 | 628 | |
e51ae9be AN |
629 | goto out_free; |
630 | ||
631 | out_free_bcast: | |
c7ffb902 | 632 | wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
e51ae9be AN |
633 | |
634 | out_free_global: | |
c7ffb902 | 635 | wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); |
e51ae9be | 636 | |
f5fc0f86 | 637 | out_free: |
c690ec81 | 638 | kfree(cmd); |
f5fc0f86 LC |
639 | |
640 | out: | |
641 | return ret; | |
642 | } | |
643 | ||
0603d891 | 644 | int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c690ec81 EP |
645 | { |
646 | struct wl12xx_cmd_role_stop *cmd; | |
647 | int ret; | |
648 | ||
649 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
650 | if (!cmd) { | |
651 | ret = -ENOMEM; | |
652 | goto out; | |
653 | } | |
654 | ||
0603d891 | 655 | wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wlvif->role_id); |
c690ec81 | 656 | |
0603d891 | 657 | cmd->role_id = wlvif->role_id; |
c690ec81 EP |
658 | |
659 | ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); | |
660 | if (ret < 0) { | |
661 | wl1271_error("failed to initiate cmd role stop ap"); | |
662 | goto out_free; | |
663 | } | |
664 | ||
c7ffb902 EP |
665 | wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
666 | wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); | |
e51ae9be | 667 | |
c690ec81 EP |
668 | out_free: |
669 | kfree(cmd); | |
670 | ||
671 | out: | |
672 | return ret; | |
673 | } | |
674 | ||
87fbcb0f | 675 | int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
31cd3aed | 676 | { |
cdf09495 | 677 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
31cd3aed | 678 | struct wl12xx_cmd_role_start *cmd; |
6e8cd331 | 679 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; |
31cd3aed EP |
680 | int ret; |
681 | ||
682 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
683 | if (!cmd) { | |
684 | ret = -ENOMEM; | |
685 | goto out; | |
686 | } | |
687 | ||
0603d891 | 688 | wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id); |
31cd3aed | 689 | |
0603d891 | 690 | cmd->role_id = wlvif->role_id; |
1b92f15e | 691 | if (wlvif->band == IEEE80211_BAND_5GHZ) |
00782136 | 692 | cmd->band = WLCORE_BAND_5GHZ; |
61f845f4 | 693 | cmd->channel = wlvif->channel; |
87fbcb0f | 694 | cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
6a899796 | 695 | cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
31cd3aed EP |
696 | cmd->ibss.dtim_interval = bss_conf->dtim_period; |
697 | cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY; | |
1fe9f161 EP |
698 | cmd->ibss.ssid_len = wlvif->ssid_len; |
699 | memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len); | |
cdf09495 | 700 | memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN); |
30d0c8fd | 701 | cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); |
31cd3aed | 702 | |
154da67c | 703 | if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { |
c7ffb902 | 704 | ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); |
31cd3aed EP |
705 | if (ret) |
706 | goto out_free; | |
707 | } | |
154da67c | 708 | cmd->ibss.hlid = wlvif->sta.hlid; |
30d0c8fd | 709 | cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set); |
31cd3aed EP |
710 | |
711 | wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " | |
712 | "basic_rate_set: 0x%x, remote_rates: 0x%x", | |
0603d891 | 713 | wlvif->role_id, cmd->sta.hlid, cmd->sta.session, |
30d0c8fd | 714 | wlvif->basic_rate_set, wlvif->rate_set); |
31cd3aed | 715 | |
cdf09495 EP |
716 | wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM", |
717 | vif->bss_conf.bssid); | |
31cd3aed EP |
718 | |
719 | ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); | |
720 | if (ret < 0) { | |
721 | wl1271_error("failed to initiate cmd role enable"); | |
722 | goto err_hlid; | |
723 | } | |
724 | ||
725 | goto out_free; | |
726 | ||
727 | err_hlid: | |
728 | /* clear links on error. */ | |
c7ffb902 | 729 | wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
31cd3aed EP |
730 | |
731 | out_free: | |
732 | kfree(cmd); | |
733 | ||
734 | out: | |
735 | return ret; | |
736 | } | |
737 | ||
c690ec81 | 738 | |
f5fc0f86 LC |
739 | /** |
740 | * send test command to firmware | |
741 | * | |
742 | * @wl: wl struct | |
743 | * @buf: buffer containing the command, with all headers, must work with dma | |
744 | * @len: length of the buffer | |
745 | * @answer: is answer needed | |
746 | */ | |
747 | int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer) | |
748 | { | |
749 | int ret; | |
fa867e73 | 750 | size_t res_len = 0; |
f5fc0f86 LC |
751 | |
752 | wl1271_debug(DEBUG_CMD, "cmd test"); | |
753 | ||
fa867e73 JO |
754 | if (answer) |
755 | res_len = buf_len; | |
756 | ||
757 | ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len); | |
f5fc0f86 LC |
758 | |
759 | if (ret < 0) { | |
760 | wl1271_warning("TEST command failed"); | |
761 | return ret; | |
762 | } | |
763 | ||
fa867e73 | 764 | return ret; |
f5fc0f86 | 765 | } |
9d68d1ee | 766 | EXPORT_SYMBOL_GPL(wl1271_cmd_test); |
f5fc0f86 LC |
767 | |
768 | /** | |
769 | * read acx from firmware | |
770 | * | |
771 | * @wl: wl struct | |
772 | * @id: acx id | |
773 | * @buf: buffer for the response, including all headers, must work with dma | |
25985edc | 774 | * @len: length of buf |
f5fc0f86 LC |
775 | */ |
776 | int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len) | |
777 | { | |
778 | struct acx_header *acx = buf; | |
779 | int ret; | |
780 | ||
781 | wl1271_debug(DEBUG_CMD, "cmd interrogate"); | |
782 | ||
d0f63b20 | 783 | acx->id = cpu_to_le16(id); |
f5fc0f86 LC |
784 | |
785 | /* payload length, does not include any headers */ | |
d0f63b20 | 786 | acx->len = cpu_to_le16(len - sizeof(*acx)); |
f5fc0f86 | 787 | |
fa867e73 JO |
788 | ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len); |
789 | if (ret < 0) | |
f5fc0f86 | 790 | wl1271_error("INTERROGATE command failed"); |
f5fc0f86 | 791 | |
f5fc0f86 LC |
792 | return ret; |
793 | } | |
794 | ||
795 | /** | |
796 | * write acx value to firmware | |
797 | * | |
798 | * @wl: wl struct | |
799 | * @id: acx id | |
800 | * @buf: buffer containing acx, including all headers, must work with dma | |
801 | * @len: length of buf | |
802 | */ | |
803 | int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) | |
804 | { | |
805 | struct acx_header *acx = buf; | |
806 | int ret; | |
807 | ||
c91d0600 | 808 | wl1271_debug(DEBUG_CMD, "cmd configure (%d)", id); |
f5fc0f86 | 809 | |
d0f63b20 | 810 | acx->id = cpu_to_le16(id); |
f5fc0f86 LC |
811 | |
812 | /* payload length, does not include any headers */ | |
d0f63b20 | 813 | acx->len = cpu_to_le16(len - sizeof(*acx)); |
f5fc0f86 | 814 | |
fa867e73 | 815 | ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0); |
f5fc0f86 LC |
816 | if (ret < 0) { |
817 | wl1271_warning("CONFIGURE command NOK"); | |
818 | return ret; | |
819 | } | |
820 | ||
821 | return 0; | |
822 | } | |
9d68d1ee | 823 | EXPORT_SYMBOL_GPL(wl1271_cmd_configure); |
f5fc0f86 | 824 | |
94210897 | 825 | int wl1271_cmd_data_path(struct wl1271 *wl, bool enable) |
f5fc0f86 LC |
826 | { |
827 | struct cmd_enabledisable_path *cmd; | |
828 | int ret; | |
829 | u16 cmd_rx, cmd_tx; | |
830 | ||
831 | wl1271_debug(DEBUG_CMD, "cmd data path"); | |
832 | ||
833 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
834 | if (!cmd) { | |
835 | ret = -ENOMEM; | |
836 | goto out; | |
837 | } | |
838 | ||
94210897 LC |
839 | /* the channel here is only used for calibration, so hardcoded to 1 */ |
840 | cmd->channel = 1; | |
f5fc0f86 LC |
841 | |
842 | if (enable) { | |
843 | cmd_rx = CMD_ENABLE_RX; | |
844 | cmd_tx = CMD_ENABLE_TX; | |
845 | } else { | |
846 | cmd_rx = CMD_DISABLE_RX; | |
847 | cmd_tx = CMD_DISABLE_TX; | |
848 | } | |
849 | ||
fa867e73 | 850 | ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0); |
f5fc0f86 LC |
851 | if (ret < 0) { |
852 | wl1271_error("rx %s cmd for channel %d failed", | |
94210897 | 853 | enable ? "start" : "stop", cmd->channel); |
f5fc0f86 LC |
854 | goto out; |
855 | } | |
856 | ||
857 | wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d", | |
94210897 | 858 | enable ? "start" : "stop", cmd->channel); |
f5fc0f86 | 859 | |
fa867e73 | 860 | ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0); |
f5fc0f86 LC |
861 | if (ret < 0) { |
862 | wl1271_error("tx %s cmd for channel %d failed", | |
94210897 | 863 | enable ? "start" : "stop", cmd->channel); |
1b00f2b5 | 864 | goto out; |
f5fc0f86 LC |
865 | } |
866 | ||
867 | wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", | |
94210897 | 868 | enable ? "start" : "stop", cmd->channel); |
f5fc0f86 LC |
869 | |
870 | out: | |
871 | kfree(cmd); | |
872 | return ret; | |
873 | } | |
c331b344 | 874 | EXPORT_SYMBOL_GPL(wl1271_cmd_data_path); |
f5fc0f86 | 875 | |
0603d891 | 876 | int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
f1d63a59 | 877 | u8 ps_mode, u16 auto_ps_timeout) |
f5fc0f86 LC |
878 | { |
879 | struct wl1271_cmd_ps_params *ps_params = NULL; | |
880 | int ret = 0; | |
881 | ||
f5fc0f86 LC |
882 | wl1271_debug(DEBUG_CMD, "cmd set ps mode"); |
883 | ||
884 | ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); | |
885 | if (!ps_params) { | |
886 | ret = -ENOMEM; | |
887 | goto out; | |
888 | } | |
889 | ||
0603d891 | 890 | ps_params->role_id = wlvif->role_id; |
f5fc0f86 | 891 | ps_params->ps_mode = ps_mode; |
f1d63a59 | 892 | ps_params->auto_ps_timeout = auto_ps_timeout; |
f5fc0f86 LC |
893 | |
894 | ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, | |
fa867e73 | 895 | sizeof(*ps_params), 0); |
f5fc0f86 LC |
896 | if (ret < 0) { |
897 | wl1271_error("cmd set_ps_mode failed"); | |
898 | goto out; | |
899 | } | |
900 | ||
901 | out: | |
902 | kfree(ps_params); | |
903 | return ret; | |
904 | } | |
905 | ||
cdaac628 EP |
906 | int wl1271_cmd_template_set(struct wl1271 *wl, u8 role_id, |
907 | u16 template_id, void *buf, size_t buf_len, | |
908 | int index, u32 rates) | |
f5fc0f86 LC |
909 | { |
910 | struct wl1271_cmd_template_set *cmd; | |
911 | int ret = 0; | |
912 | ||
c059beb2 EP |
913 | wl1271_debug(DEBUG_CMD, "cmd template_set %d (role %d)", |
914 | template_id, role_id); | |
f5fc0f86 LC |
915 | |
916 | WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE); | |
917 | buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE); | |
918 | ||
919 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
920 | if (!cmd) { | |
921 | ret = -ENOMEM; | |
922 | goto out; | |
923 | } | |
924 | ||
cdaac628 EP |
925 | /* during initialization wlvif is NULL */ |
926 | cmd->role_id = role_id; | |
f5fc0f86 LC |
927 | cmd->len = cpu_to_le16(buf_len); |
928 | cmd->template_type = template_id; | |
606c1487 | 929 | cmd->enabled_rates = cpu_to_le32(rates); |
1e05a818 AN |
930 | cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit; |
931 | cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit; | |
bfb24c9e | 932 | cmd->index = index; |
f5fc0f86 LC |
933 | |
934 | if (buf) | |
935 | memcpy(cmd->template_data, buf, buf_len); | |
936 | ||
fa867e73 | 937 | ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0); |
f5fc0f86 LC |
938 | if (ret < 0) { |
939 | wl1271_warning("cmd set_template failed: %d", ret); | |
940 | goto out_free; | |
941 | } | |
942 | ||
943 | out_free: | |
944 | kfree(cmd); | |
945 | ||
946 | out: | |
947 | return ret; | |
948 | } | |
949 | ||
d2d66c56 | 950 | int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
f5fc0f86 | 951 | { |
a0cb7be4 JO |
952 | struct sk_buff *skb = NULL; |
953 | int size; | |
954 | void *ptr; | |
955 | int ret = -ENOMEM; | |
f5fc0f86 | 956 | |
f5fc0f86 | 957 | |
536129c8 | 958 | if (wlvif->bss_type == BSS_TYPE_IBSS) { |
a0cb7be4 JO |
959 | size = sizeof(struct wl12xx_null_data_template); |
960 | ptr = NULL; | |
961 | } else { | |
d2d66c56 EP |
962 | skb = ieee80211_nullfunc_get(wl->hw, |
963 | wl12xx_wlvif_to_vif(wlvif)); | |
a0cb7be4 JO |
964 | if (!skb) |
965 | goto out; | |
966 | size = skb->len; | |
967 | ptr = skb->data; | |
968 | } | |
969 | ||
cdaac628 EP |
970 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
971 | CMD_TEMPL_NULL_DATA, ptr, size, 0, | |
d2d66c56 | 972 | wlvif->basic_rate); |
f5fc0f86 | 973 | |
899e6e65 KV |
974 | out: |
975 | dev_kfree_skb(skb); | |
a0cb7be4 JO |
976 | if (ret) |
977 | wl1271_warning("cmd buld null data failed %d", ret); | |
978 | ||
899e6e65 | 979 | return ret; |
f5fc0f86 LC |
980 | |
981 | } | |
982 | ||
d2d66c56 EP |
983 | int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, |
984 | struct wl12xx_vif *wlvif) | |
bfb24c9e | 985 | { |
d2d66c56 | 986 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
bfb24c9e JO |
987 | struct sk_buff *skb = NULL; |
988 | int ret = -ENOMEM; | |
989 | ||
d2d66c56 | 990 | skb = ieee80211_nullfunc_get(wl->hw, vif); |
bfb24c9e JO |
991 | if (!skb) |
992 | goto out; | |
993 | ||
cdaac628 | 994 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV, |
bfb24c9e | 995 | skb->data, skb->len, |
001e39a8 | 996 | wlvif->sta.klv_template_id, |
d2d66c56 | 997 | wlvif->basic_rate); |
bfb24c9e JO |
998 | |
999 | out: | |
1000 | dev_kfree_skb(skb); | |
1001 | if (ret) | |
1002 | wl1271_warning("cmd build klv null data failed %d", ret); | |
1003 | ||
1004 | return ret; | |
1005 | ||
1006 | } | |
1007 | ||
87fbcb0f EP |
1008 | int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
1009 | u16 aid) | |
f5fc0f86 | 1010 | { |
6e8cd331 | 1011 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
899e6e65 KV |
1012 | struct sk_buff *skb; |
1013 | int ret = 0; | |
c3fea199 | 1014 | |
6e8cd331 | 1015 | skb = ieee80211_pspoll_get(wl->hw, vif); |
899e6e65 KV |
1016 | if (!skb) |
1017 | goto out; | |
f5fc0f86 | 1018 | |
cdaac628 EP |
1019 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
1020 | CMD_TEMPL_PS_POLL, skb->data, | |
87fbcb0f | 1021 | skb->len, 0, wlvif->basic_rate_set); |
f5fc0f86 | 1022 | |
899e6e65 KV |
1023 | out: |
1024 | dev_kfree_skb(skb); | |
1025 | return ret; | |
f5fc0f86 LC |
1026 | } |
1027 | ||
cdaac628 EP |
1028 | int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
1029 | u8 role_id, u8 band, | |
818e3063 | 1030 | const u8 *ssid, size_t ssid_len, |
3df74f46 | 1031 | const u8 *ie, size_t ie_len, bool sched_scan) |
f5fc0f86 | 1032 | { |
83587505 | 1033 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
818e3063 | 1034 | struct sk_buff *skb; |
abb0b3bf | 1035 | int ret; |
af7fbb28 | 1036 | u32 rate; |
3df74f46 YD |
1037 | u16 template_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4; |
1038 | u16 template_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5; | |
f5fc0f86 | 1039 | |
83587505 | 1040 | skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len, |
b9a9ada1 | 1041 | ie_len); |
818e3063 KV |
1042 | if (!skb) { |
1043 | ret = -ENOMEM; | |
1044 | goto out; | |
1045 | } | |
b9a9ada1 JB |
1046 | if (ie_len) |
1047 | memcpy(skb_put(skb, ie_len), ie, ie_len); | |
818e3063 KV |
1048 | |
1049 | wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len); | |
f5fc0f86 | 1050 | |
3df74f46 YD |
1051 | if (!sched_scan && |
1052 | (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL)) { | |
1053 | template_id_2_4 = CMD_TEMPL_APP_PROBE_REQ_2_4; | |
1054 | template_id_5 = CMD_TEMPL_APP_PROBE_REQ_5; | |
1055 | } | |
1056 | ||
83587505 | 1057 | rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); |
abb0b3bf | 1058 | if (band == IEEE80211_BAND_2GHZ) |
cdaac628 | 1059 | ret = wl1271_cmd_template_set(wl, role_id, |
3df74f46 | 1060 | template_id_2_4, |
af7fbb28 | 1061 | skb->data, skb->len, 0, rate); |
abb0b3bf | 1062 | else |
cdaac628 | 1063 | ret = wl1271_cmd_template_set(wl, role_id, |
3df74f46 | 1064 | template_id_5, |
af7fbb28 | 1065 | skb->data, skb->len, 0, rate); |
818e3063 KV |
1066 | |
1067 | out: | |
1068 | dev_kfree_skb(skb); | |
abb0b3bf | 1069 | return ret; |
f5fc0f86 LC |
1070 | } |
1071 | ||
2f6724b2 | 1072 | struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, |
83587505 | 1073 | struct wl12xx_vif *wlvif, |
2f6724b2 JO |
1074 | struct sk_buff *skb) |
1075 | { | |
83587505 | 1076 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
2f6724b2 | 1077 | int ret; |
af7fbb28 | 1078 | u32 rate; |
2f6724b2 JO |
1079 | |
1080 | if (!skb) | |
83587505 | 1081 | skb = ieee80211_ap_probereq_get(wl->hw, vif); |
2f6724b2 JO |
1082 | if (!skb) |
1083 | goto out; | |
1084 | ||
1085 | wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len); | |
1086 | ||
1b92f15e EP |
1087 | rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]); |
1088 | if (wlvif->band == IEEE80211_BAND_2GHZ) | |
cdaac628 EP |
1089 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
1090 | CMD_TEMPL_CFG_PROBE_REQ_2_4, | |
af7fbb28 | 1091 | skb->data, skb->len, 0, rate); |
2f6724b2 | 1092 | else |
cdaac628 EP |
1093 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
1094 | CMD_TEMPL_CFG_PROBE_REQ_5, | |
af7fbb28 | 1095 | skb->data, skb->len, 0, rate); |
2f6724b2 JO |
1096 | |
1097 | if (ret < 0) | |
1098 | wl1271_error("Unable to set ap probe request template."); | |
1099 | ||
1100 | out: | |
1101 | return skb; | |
1102 | } | |
1103 | ||
5ec8a448 | 1104 | int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
c5312772 | 1105 | { |
2c0133a4 | 1106 | int ret, extra = 0; |
5ec8a448 | 1107 | u16 fc; |
6e8cd331 | 1108 | struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
5ec8a448 EP |
1109 | struct sk_buff *skb; |
1110 | struct wl12xx_arp_rsp_template *tmpl; | |
c5312772 EP |
1111 | struct ieee80211_hdr_3addr *hdr; |
1112 | struct arphdr *arp_hdr; | |
1113 | ||
5ec8a448 EP |
1114 | skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) + |
1115 | WL1271_EXTRA_SPACE_MAX); | |
1116 | if (!skb) { | |
1117 | wl1271_error("failed to allocate buffer for arp rsp template"); | |
1118 | return -ENOMEM; | |
1119 | } | |
c5312772 | 1120 | |
5ec8a448 EP |
1121 | skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX); |
1122 | ||
1123 | tmpl = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl)); | |
161f17b5 | 1124 | memset(tmpl, 0, sizeof(*tmpl)); |
c5312772 EP |
1125 | |
1126 | /* llc layer */ | |
5ec8a448 EP |
1127 | memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header)); |
1128 | tmpl->llc_type = cpu_to_be16(ETH_P_ARP); | |
c5312772 EP |
1129 | |
1130 | /* arp header */ | |
5ec8a448 | 1131 | arp_hdr = &tmpl->arp_hdr; |
6177eaea EP |
1132 | arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER); |
1133 | arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP); | |
c5312772 EP |
1134 | arp_hdr->ar_hln = ETH_ALEN; |
1135 | arp_hdr->ar_pln = 4; | |
6177eaea | 1136 | arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY); |
c5312772 EP |
1137 | |
1138 | /* arp payload */ | |
5ec8a448 EP |
1139 | memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN); |
1140 | tmpl->sender_ip = wlvif->ip_addr; | |
1141 | ||
1142 | /* encryption space */ | |
1143 | switch (wlvif->encryption_type) { | |
1144 | case KEY_TKIP: | |
2c0133a4 AN |
1145 | if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) |
1146 | extra = WL1271_EXTRA_SPACE_TKIP; | |
5ec8a448 EP |
1147 | break; |
1148 | case KEY_AES: | |
1149 | extra = WL1271_EXTRA_SPACE_AES; | |
1150 | break; | |
1151 | case KEY_NONE: | |
1152 | case KEY_WEP: | |
1153 | case KEY_GEM: | |
1154 | extra = 0; | |
1155 | break; | |
1156 | default: | |
1157 | wl1271_warning("Unknown encryption type: %d", | |
1158 | wlvif->encryption_type); | |
1159 | ret = -EINVAL; | |
1160 | goto out; | |
1161 | } | |
1162 | ||
1163 | if (extra) { | |
1164 | u8 *space = skb_push(skb, extra); | |
1165 | memset(space, 0, extra); | |
1166 | } | |
1167 | ||
1168 | /* QoS header - BE */ | |
1169 | if (wlvif->sta.qos) | |
1170 | memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16)); | |
1171 | ||
1172 | /* mac80211 header */ | |
1173 | hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, sizeof(*hdr)); | |
161f17b5 | 1174 | memset(hdr, 0, sizeof(*hdr)); |
5ec8a448 EP |
1175 | fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS; |
1176 | if (wlvif->sta.qos) | |
1177 | fc |= IEEE80211_STYPE_QOS_DATA; | |
1178 | else | |
1179 | fc |= IEEE80211_STYPE_DATA; | |
1180 | if (wlvif->encryption_type != KEY_NONE) | |
1181 | fc |= IEEE80211_FCTL_PROTECTED; | |
1182 | ||
1183 | hdr->frame_control = cpu_to_le16(fc); | |
1184 | memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); | |
1185 | memcpy(hdr->addr2, vif->addr, ETH_ALEN); | |
1186 | memset(hdr->addr3, 0xff, ETH_ALEN); | |
c5312772 | 1187 | |
cdaac628 | 1188 | ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP, |
5ec8a448 | 1189 | skb->data, skb->len, 0, |
d2d66c56 | 1190 | wlvif->basic_rate); |
5ec8a448 EP |
1191 | out: |
1192 | dev_kfree_skb(skb); | |
c5312772 EP |
1193 | return ret; |
1194 | } | |
1195 | ||
784f694d | 1196 | int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif) |
023e0826 | 1197 | { |
d2d66c56 | 1198 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
023e0826 KV |
1199 | struct ieee80211_qos_hdr template; |
1200 | ||
1201 | memset(&template, 0, sizeof(template)); | |
1202 | ||
cdf09495 | 1203 | memcpy(template.addr1, vif->bss_conf.bssid, ETH_ALEN); |
784f694d | 1204 | memcpy(template.addr2, vif->addr, ETH_ALEN); |
cdf09495 | 1205 | memcpy(template.addr3, vif->bss_conf.bssid, ETH_ALEN); |
023e0826 KV |
1206 | |
1207 | template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
1208 | IEEE80211_STYPE_QOS_NULLFUNC | | |
1209 | IEEE80211_FCTL_TODS); | |
1210 | ||
1211 | /* FIXME: not sure what priority to use here */ | |
1212 | template.qos_ctrl = cpu_to_le16(0); | |
1213 | ||
cdaac628 EP |
1214 | return wl1271_cmd_template_set(wl, wlvif->role_id, |
1215 | CMD_TEMPL_QOS_NULL_DATA, &template, | |
606c1487 | 1216 | sizeof(template), 0, |
d2d66c56 | 1217 | wlvif->basic_rate); |
023e0826 KV |
1218 | } |
1219 | ||
c690ec81 | 1220 | int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid) |
f5fc0f86 | 1221 | { |
c690ec81 | 1222 | struct wl1271_cmd_set_keys *cmd; |
f5fc0f86 LC |
1223 | int ret = 0; |
1224 | ||
1225 | wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id); | |
1226 | ||
1227 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1228 | if (!cmd) { | |
1229 | ret = -ENOMEM; | |
1230 | goto out; | |
1231 | } | |
1232 | ||
c690ec81 | 1233 | cmd->hlid = hlid; |
98bdaabb AN |
1234 | cmd->key_id = id; |
1235 | cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; | |
1236 | cmd->key_action = cpu_to_le16(KEY_SET_ID); | |
1237 | cmd->key_type = KEY_WEP; | |
1238 | ||
1239 | ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); | |
1240 | if (ret < 0) { | |
c690ec81 | 1241 | wl1271_warning("cmd set_default_wep_key failed: %d", ret); |
98bdaabb AN |
1242 | goto out; |
1243 | } | |
1244 | ||
1245 | out: | |
1246 | kfree(cmd); | |
1247 | ||
1248 | return ret; | |
1249 | } | |
1250 | ||
a8ab39a4 | 1251 | int wl1271_cmd_set_sta_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
154da67c | 1252 | u16 action, u8 id, u8 key_type, |
ac4e4ce5 JO |
1253 | u8 key_size, const u8 *key, const u8 *addr, |
1254 | u32 tx_seq_32, u16 tx_seq_16) | |
f5fc0f86 | 1255 | { |
c690ec81 | 1256 | struct wl1271_cmd_set_keys *cmd; |
f5fc0f86 LC |
1257 | int ret = 0; |
1258 | ||
b42f068b | 1259 | /* hlid might have already been deleted */ |
154da67c | 1260 | if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) |
b42f068b EP |
1261 | return 0; |
1262 | ||
f5fc0f86 LC |
1263 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
1264 | if (!cmd) { | |
1265 | ret = -ENOMEM; | |
1266 | goto out; | |
1267 | } | |
1268 | ||
154da67c | 1269 | cmd->hlid = wlvif->sta.hlid; |
c690ec81 EP |
1270 | |
1271 | if (key_type == KEY_WEP) | |
1272 | cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; | |
1273 | else if (is_broadcast_ether_addr(addr)) | |
1274 | cmd->lid_key_type = BROADCAST_LID_TYPE; | |
1275 | else | |
1276 | cmd->lid_key_type = UNICAST_LID_TYPE; | |
f5fc0f86 | 1277 | |
d0f63b20 | 1278 | cmd->key_action = cpu_to_le16(action); |
f5fc0f86 LC |
1279 | cmd->key_size = key_size; |
1280 | cmd->key_type = key_type; | |
1281 | ||
d0f63b20 LC |
1282 | cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); |
1283 | cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); | |
ac4e4ce5 | 1284 | |
c690ec81 | 1285 | cmd->key_id = id; |
f5fc0f86 | 1286 | |
f5fc0f86 LC |
1287 | if (key_type == KEY_TKIP) { |
1288 | /* | |
1289 | * We get the key in the following form: | |
1290 | * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) | |
1291 | * but the target is expecting: | |
1292 | * TKIP - RX MIC - TX MIC | |
1293 | */ | |
1294 | memcpy(cmd->key, key, 16); | |
1295 | memcpy(cmd->key + 16, key + 24, 8); | |
1296 | memcpy(cmd->key + 24, key + 16, 8); | |
1297 | ||
1298 | } else { | |
1299 | memcpy(cmd->key, key, key_size); | |
1300 | } | |
1301 | ||
1302 | wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd)); | |
1303 | ||
fa867e73 | 1304 | ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); |
f5fc0f86 LC |
1305 | if (ret < 0) { |
1306 | wl1271_warning("could not set keys"); | |
152ee6e0 | 1307 | goto out; |
f5fc0f86 LC |
1308 | } |
1309 | ||
1310 | out: | |
1311 | kfree(cmd); | |
1312 | ||
1313 | return ret; | |
1314 | } | |
25a7dc6d | 1315 | |
c690ec81 EP |
1316 | /* |
1317 | * TODO: merge with sta/ibss into 1 set_key function. | |
1318 | * note there are slight diffs | |
1319 | */ | |
a8ab39a4 EP |
1320 | int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
1321 | u16 action, u8 id, u8 key_type, | |
1322 | u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, | |
1323 | u16 tx_seq_16) | |
98bdaabb | 1324 | { |
c690ec81 | 1325 | struct wl1271_cmd_set_keys *cmd; |
98bdaabb AN |
1326 | int ret = 0; |
1327 | u8 lid_type; | |
1328 | ||
1329 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1330 | if (!cmd) | |
1331 | return -ENOMEM; | |
1332 | ||
a8ab39a4 | 1333 | if (hlid == wlvif->ap.bcast_hlid) { |
98bdaabb AN |
1334 | if (key_type == KEY_WEP) |
1335 | lid_type = WEP_DEFAULT_LID_TYPE; | |
1336 | else | |
1337 | lid_type = BROADCAST_LID_TYPE; | |
1338 | } else { | |
1339 | lid_type = UNICAST_LID_TYPE; | |
1340 | } | |
1341 | ||
1342 | wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d" | |
1343 | " hlid: %d", (int)action, (int)id, (int)lid_type, | |
1344 | (int)key_type, (int)hlid); | |
1345 | ||
1346 | cmd->lid_key_type = lid_type; | |
1347 | cmd->hlid = hlid; | |
1348 | cmd->key_action = cpu_to_le16(action); | |
1349 | cmd->key_size = key_size; | |
1350 | cmd->key_type = key_type; | |
1351 | cmd->key_id = id; | |
1352 | cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16); | |
1353 | cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32); | |
1354 | ||
1355 | if (key_type == KEY_TKIP) { | |
1356 | /* | |
1357 | * We get the key in the following form: | |
1358 | * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) | |
1359 | * but the target is expecting: | |
1360 | * TKIP - RX MIC - TX MIC | |
1361 | */ | |
1362 | memcpy(cmd->key, key, 16); | |
1363 | memcpy(cmd->key + 16, key + 24, 8); | |
1364 | memcpy(cmd->key + 24, key + 16, 8); | |
1365 | } else { | |
1366 | memcpy(cmd->key, key, key_size); | |
1367 | } | |
1368 | ||
1369 | wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd)); | |
1370 | ||
1371 | ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0); | |
1372 | if (ret < 0) { | |
1373 | wl1271_warning("could not set ap keys"); | |
1374 | goto out; | |
1375 | } | |
1376 | ||
1377 | out: | |
1378 | kfree(cmd); | |
1379 | return ret; | |
1380 | } | |
1381 | ||
b67476ef | 1382 | int wl12xx_cmd_set_peer_state(struct wl1271 *wl, u8 hlid) |
be86cbea | 1383 | { |
c690ec81 | 1384 | struct wl12xx_cmd_set_peer_state *cmd; |
be86cbea JO |
1385 | int ret = 0; |
1386 | ||
b67476ef | 1387 | wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid); |
be86cbea JO |
1388 | |
1389 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1390 | if (!cmd) { | |
1391 | ret = -ENOMEM; | |
1392 | goto out; | |
1393 | } | |
1394 | ||
b67476ef | 1395 | cmd->hlid = hlid; |
be86cbea JO |
1396 | cmd->state = WL1271_CMD_STA_STATE_CONNECTED; |
1397 | ||
c690ec81 | 1398 | ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0); |
be86cbea | 1399 | if (ret < 0) { |
c690ec81 | 1400 | wl1271_error("failed to send set peer state command"); |
be86cbea JO |
1401 | goto out_free; |
1402 | } | |
1403 | ||
1404 | out_free: | |
1405 | kfree(cmd); | |
1406 | ||
1407 | out: | |
1408 | return ret; | |
1409 | } | |
99d5ad7b | 1410 | |
1b92f15e EP |
1411 | int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
1412 | struct ieee80211_sta *sta, u8 hlid) | |
98bdaabb | 1413 | { |
c690ec81 | 1414 | struct wl12xx_cmd_add_peer *cmd; |
1ec23f7f | 1415 | int i, ret; |
99d5ad7b | 1416 | u32 sta_rates; |
98bdaabb | 1417 | |
c690ec81 | 1418 | wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid); |
98bdaabb AN |
1419 | |
1420 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1421 | if (!cmd) { | |
1422 | ret = -ENOMEM; | |
1423 | goto out; | |
1424 | } | |
1425 | ||
98bdaabb AN |
1426 | memcpy(cmd->addr, sta->addr, ETH_ALEN); |
1427 | cmd->bss_index = WL1271_AP_BSS_INDEX; | |
1428 | cmd->aid = sta->aid; | |
1429 | cmd->hlid = hlid; | |
1ec23f7f | 1430 | cmd->sp_len = sta->max_sp; |
b4d38db1 | 1431 | cmd->wmm = sta->wme ? 1 : 0; |
98bdaabb | 1432 | |
1ec23f7f EP |
1433 | for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) |
1434 | if (sta->wme && (sta->uapsd_queues & BIT(i))) | |
2e42c203 YD |
1435 | cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = |
1436 | WL1271_PSD_UPSD_TRIGGER; | |
1ec23f7f | 1437 | else |
2e42c203 YD |
1438 | cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = |
1439 | WL1271_PSD_LEGACY; | |
1440 | ||
1ec23f7f | 1441 | |
1b92f15e | 1442 | sta_rates = sta->supp_rates[wlvif->band]; |
99d5ad7b | 1443 | if (sta->ht_cap.ht_supported) |
b3a47ee0 AN |
1444 | sta_rates |= |
1445 | (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | | |
1446 | (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); | |
99d5ad7b AN |
1447 | |
1448 | cmd->supported_rates = | |
af7fbb28 | 1449 | cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, |
1b92f15e | 1450 | wlvif->band)); |
98bdaabb | 1451 | |
1ec23f7f EP |
1452 | wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x", |
1453 | cmd->supported_rates, sta->uapsd_queues); | |
98bdaabb | 1454 | |
c690ec81 | 1455 | ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0); |
98bdaabb | 1456 | if (ret < 0) { |
c690ec81 | 1457 | wl1271_error("failed to initiate cmd add peer"); |
98bdaabb AN |
1458 | goto out_free; |
1459 | } | |
1460 | ||
1461 | out_free: | |
1462 | kfree(cmd); | |
1463 | ||
1464 | out: | |
1465 | return ret; | |
1466 | } | |
1467 | ||
c690ec81 | 1468 | int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid) |
98bdaabb | 1469 | { |
c690ec81 | 1470 | struct wl12xx_cmd_remove_peer *cmd; |
98bdaabb | 1471 | int ret; |
6c15c1aa | 1472 | bool timeout = false; |
98bdaabb | 1473 | |
c690ec81 | 1474 | wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid); |
98bdaabb AN |
1475 | |
1476 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1477 | if (!cmd) { | |
1478 | ret = -ENOMEM; | |
1479 | goto out; | |
1480 | } | |
1481 | ||
1482 | cmd->hlid = hlid; | |
1483 | /* We never send a deauth, mac80211 is in charge of this */ | |
1484 | cmd->reason_opcode = 0; | |
1485 | cmd->send_deauth_flag = 0; | |
1486 | ||
c690ec81 | 1487 | ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0); |
98bdaabb | 1488 | if (ret < 0) { |
c690ec81 | 1489 | wl1271_error("failed to initiate cmd remove peer"); |
98bdaabb AN |
1490 | goto out_free; |
1491 | } | |
1492 | ||
6c15c1aa ES |
1493 | ret = wl1271_cmd_wait_for_event_or_timeout(wl, |
1494 | PEER_REMOVE_COMPLETE_EVENT_ID, | |
1495 | &timeout); | |
05285cf9 AN |
1496 | /* |
1497 | * We are ok with a timeout here. The event is sometimes not sent | |
6c15c1aa ES |
1498 | * due to a firmware bug. In case of another error (like SDIO timeout) |
1499 | * queue a recovery. | |
05285cf9 | 1500 | */ |
6c15c1aa ES |
1501 | if (ret) |
1502 | wl12xx_queue_recovery_work(wl); | |
98bdaabb AN |
1503 | |
1504 | out_free: | |
1505 | kfree(cmd); | |
1506 | ||
1507 | out: | |
1508 | return ret; | |
1509 | } | |
95dac04f IY |
1510 | |
1511 | int wl12xx_cmd_config_fwlog(struct wl1271 *wl) | |
1512 | { | |
1513 | struct wl12xx_cmd_config_fwlog *cmd; | |
1514 | int ret = 0; | |
1515 | ||
1516 | wl1271_debug(DEBUG_CMD, "cmd config firmware logger"); | |
1517 | ||
1518 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1519 | if (!cmd) { | |
1520 | ret = -ENOMEM; | |
1521 | goto out; | |
1522 | } | |
1523 | ||
1524 | cmd->logger_mode = wl->conf.fwlog.mode; | |
1525 | cmd->log_severity = wl->conf.fwlog.severity; | |
1526 | cmd->timestamp = wl->conf.fwlog.timestamp; | |
1527 | cmd->output = wl->conf.fwlog.output; | |
1528 | cmd->threshold = wl->conf.fwlog.threshold; | |
1529 | ||
1530 | ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0); | |
1531 | if (ret < 0) { | |
1532 | wl1271_error("failed to send config firmware logger command"); | |
1533 | goto out_free; | |
1534 | } | |
1535 | ||
1536 | out_free: | |
1537 | kfree(cmd); | |
1538 | ||
1539 | out: | |
1540 | return ret; | |
1541 | } | |
1542 | ||
1543 | int wl12xx_cmd_start_fwlog(struct wl1271 *wl) | |
1544 | { | |
1545 | struct wl12xx_cmd_start_fwlog *cmd; | |
1546 | int ret = 0; | |
1547 | ||
1548 | wl1271_debug(DEBUG_CMD, "cmd start firmware logger"); | |
1549 | ||
1550 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1551 | if (!cmd) { | |
1552 | ret = -ENOMEM; | |
1553 | goto out; | |
1554 | } | |
1555 | ||
1556 | ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0); | |
1557 | if (ret < 0) { | |
1558 | wl1271_error("failed to send start firmware logger command"); | |
1559 | goto out_free; | |
1560 | } | |
1561 | ||
1562 | out_free: | |
1563 | kfree(cmd); | |
1564 | ||
1565 | out: | |
1566 | return ret; | |
1567 | } | |
1568 | ||
1569 | int wl12xx_cmd_stop_fwlog(struct wl1271 *wl) | |
1570 | { | |
1571 | struct wl12xx_cmd_stop_fwlog *cmd; | |
1572 | int ret = 0; | |
1573 | ||
1574 | wl1271_debug(DEBUG_CMD, "cmd stop firmware logger"); | |
1575 | ||
1576 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1577 | if (!cmd) { | |
1578 | ret = -ENOMEM; | |
1579 | goto out; | |
1580 | } | |
1581 | ||
1582 | ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0); | |
1583 | if (ret < 0) { | |
1584 | wl1271_error("failed to send stop firmware logger command"); | |
1585 | goto out_free; | |
1586 | } | |
1587 | ||
1588 | out_free: | |
1589 | kfree(cmd); | |
1590 | ||
1591 | out: | |
1592 | return ret; | |
1593 | } | |
a7cba384 | 1594 | |
1b92f15e EP |
1595 | static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
1596 | u8 role_id) | |
a7cba384 EP |
1597 | { |
1598 | struct wl12xx_cmd_roc *cmd; | |
1599 | int ret = 0; | |
1600 | ||
61f845f4 | 1601 | wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", wlvif->channel, role_id); |
a7cba384 EP |
1602 | |
1603 | if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID)) | |
1604 | return -EINVAL; | |
1605 | ||
1606 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1607 | if (!cmd) { | |
1608 | ret = -ENOMEM; | |
1609 | goto out; | |
1610 | } | |
1611 | ||
1612 | cmd->role_id = role_id; | |
61f845f4 | 1613 | cmd->channel = wlvif->channel; |
1b92f15e | 1614 | switch (wlvif->band) { |
a7cba384 | 1615 | case IEEE80211_BAND_2GHZ: |
00782136 | 1616 | cmd->band = WLCORE_BAND_2_4GHZ; |
a7cba384 EP |
1617 | break; |
1618 | case IEEE80211_BAND_5GHZ: | |
00782136 | 1619 | cmd->band = WLCORE_BAND_5GHZ; |
a7cba384 EP |
1620 | break; |
1621 | default: | |
1b92f15e | 1622 | wl1271_error("roc - unknown band: %d", (int)wlvif->band); |
a7cba384 EP |
1623 | ret = -EINVAL; |
1624 | goto out_free; | |
1625 | } | |
1626 | ||
1627 | ||
1628 | ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0); | |
1629 | if (ret < 0) { | |
1630 | wl1271_error("failed to send ROC command"); | |
1631 | goto out_free; | |
1632 | } | |
1633 | ||
1634 | out_free: | |
1635 | kfree(cmd); | |
1636 | ||
1637 | out: | |
1638 | return ret; | |
1639 | } | |
1640 | ||
1641 | static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id) | |
1642 | { | |
1643 | struct wl12xx_cmd_croc *cmd; | |
1644 | int ret = 0; | |
1645 | ||
1646 | wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id); | |
1647 | ||
1648 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1649 | if (!cmd) { | |
1650 | ret = -ENOMEM; | |
1651 | goto out; | |
1652 | } | |
1653 | cmd->role_id = role_id; | |
1654 | ||
1655 | ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd, | |
1656 | sizeof(*cmd), 0); | |
1657 | if (ret < 0) { | |
1658 | wl1271_error("failed to send ROC command"); | |
1659 | goto out_free; | |
1660 | } | |
1661 | ||
1662 | out_free: | |
1663 | kfree(cmd); | |
1664 | ||
1665 | out: | |
1666 | return ret; | |
1667 | } | |
251c177f | 1668 | |
1b92f15e | 1669 | int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id) |
251c177f EP |
1670 | { |
1671 | int ret = 0; | |
a4203c64 | 1672 | bool is_first_roc; |
251c177f EP |
1673 | |
1674 | if (WARN_ON(test_bit(role_id, wl->roc_map))) | |
1675 | return 0; | |
1676 | ||
a4203c64 VG |
1677 | is_first_roc = (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= |
1678 | WL12XX_MAX_ROLES); | |
1679 | ||
1b92f15e | 1680 | ret = wl12xx_cmd_roc(wl, wlvif, role_id); |
251c177f EP |
1681 | if (ret < 0) |
1682 | goto out; | |
1683 | ||
a4203c64 VG |
1684 | if (is_first_roc) { |
1685 | ret = wl1271_cmd_wait_for_event(wl, | |
1686 | REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID); | |
1687 | if (ret < 0) { | |
1688 | wl1271_error("cmd roc event completion error"); | |
1689 | goto out; | |
1690 | } | |
251c177f EP |
1691 | } |
1692 | ||
1693 | __set_bit(role_id, wl->roc_map); | |
1694 | out: | |
1695 | return ret; | |
1696 | } | |
1697 | ||
1698 | int wl12xx_croc(struct wl1271 *wl, u8 role_id) | |
1699 | { | |
1700 | int ret = 0; | |
1701 | ||
1702 | if (WARN_ON(!test_bit(role_id, wl->roc_map))) | |
1703 | return 0; | |
1704 | ||
1705 | ret = wl12xx_cmd_croc(wl, role_id); | |
1706 | if (ret < 0) | |
1707 | goto out; | |
1708 | ||
1709 | __clear_bit(role_id, wl->roc_map); | |
55df5afb AN |
1710 | |
1711 | /* | |
1712 | * Rearm the tx watchdog when removing the last ROC. This prevents | |
1713 | * recoveries due to just finished ROCs - when Tx hasn't yet had | |
1714 | * a chance to get out. | |
1715 | */ | |
1716 | if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) | |
1717 | wl12xx_rearm_tx_watchdog_locked(wl); | |
251c177f EP |
1718 | out: |
1719 | return ret; | |
1720 | } | |
6d158ff3 SL |
1721 | |
1722 | int wl12xx_cmd_channel_switch(struct wl1271 *wl, | |
8332f0f6 | 1723 | struct wl12xx_vif *wlvif, |
6d158ff3 SL |
1724 | struct ieee80211_channel_switch *ch_switch) |
1725 | { | |
1726 | struct wl12xx_cmd_channel_switch *cmd; | |
1727 | int ret; | |
1728 | ||
1729 | wl1271_debug(DEBUG_ACX, "cmd channel switch"); | |
1730 | ||
1731 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1732 | if (!cmd) { | |
1733 | ret = -ENOMEM; | |
1734 | goto out; | |
1735 | } | |
1736 | ||
8332f0f6 | 1737 | cmd->role_id = wlvif->role_id; |
6d158ff3 SL |
1738 | cmd->channel = ch_switch->channel->hw_value; |
1739 | cmd->switch_time = ch_switch->count; | |
8332f0f6 EP |
1740 | cmd->stop_tx = ch_switch->block_tx; |
1741 | ||
1742 | /* FIXME: control from mac80211 in the future */ | |
1743 | cmd->post_switch_tx_disable = 0; /* Enable TX on the target channel */ | |
6d158ff3 SL |
1744 | |
1745 | ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0); | |
1746 | if (ret < 0) { | |
1747 | wl1271_error("failed to send channel switch command"); | |
1748 | goto out_free; | |
1749 | } | |
1750 | ||
1751 | out_free: | |
1752 | kfree(cmd); | |
1753 | ||
1754 | out: | |
1755 | return ret; | |
1756 | } | |
1757 | ||
1758 | int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl) | |
1759 | { | |
1760 | struct wl12xx_cmd_stop_channel_switch *cmd; | |
1761 | int ret; | |
1762 | ||
1763 | wl1271_debug(DEBUG_ACX, "cmd stop channel switch"); | |
1764 | ||
1765 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1766 | if (!cmd) { | |
1767 | ret = -ENOMEM; | |
1768 | goto out; | |
1769 | } | |
1770 | ||
1771 | ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0); | |
1772 | if (ret < 0) { | |
1773 | wl1271_error("failed to stop channel switch command"); | |
1774 | goto out_free; | |
1775 | } | |
1776 | ||
1777 | out_free: | |
1778 | kfree(cmd); | |
1779 | ||
1780 | out: | |
1781 | return ret; | |
1782 | } | |
679a6734 EP |
1783 | |
1784 | /* start dev role and roc on its channel */ | |
1785 | int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) | |
1786 | { | |
1787 | int ret; | |
1788 | ||
1789 | if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || | |
1790 | wlvif->bss_type == BSS_TYPE_IBSS))) | |
1791 | return -EINVAL; | |
1792 | ||
889300fa EP |
1793 | ret = wl12xx_cmd_role_enable(wl, |
1794 | wl12xx_wlvif_to_vif(wlvif)->addr, | |
1795 | WL1271_ROLE_DEVICE, | |
1796 | &wlvif->dev_role_id); | |
679a6734 EP |
1797 | if (ret < 0) |
1798 | goto out; | |
1799 | ||
889300fa EP |
1800 | ret = wl12xx_cmd_role_start_dev(wl, wlvif); |
1801 | if (ret < 0) | |
1802 | goto out_disable; | |
1803 | ||
679a6734 EP |
1804 | ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id); |
1805 | if (ret < 0) | |
1806 | goto out_stop; | |
1807 | ||
1808 | return 0; | |
1809 | ||
1810 | out_stop: | |
1811 | wl12xx_cmd_role_stop_dev(wl, wlvif); | |
889300fa EP |
1812 | out_disable: |
1813 | wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); | |
679a6734 EP |
1814 | out: |
1815 | return ret; | |
1816 | } | |
1817 | ||
1818 | /* croc dev hlid, and stop the role */ | |
1819 | int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) | |
1820 | { | |
1821 | int ret; | |
1822 | ||
1823 | if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || | |
1824 | wlvif->bss_type == BSS_TYPE_IBSS))) | |
1825 | return -EINVAL; | |
1826 | ||
8aefffea | 1827 | /* flush all pending packets */ |
eb96f841 IY |
1828 | ret = wlcore_tx_work_locked(wl); |
1829 | if (ret < 0) | |
1830 | goto out; | |
8aefffea | 1831 | |
679a6734 EP |
1832 | if (test_bit(wlvif->dev_role_id, wl->roc_map)) { |
1833 | ret = wl12xx_croc(wl, wlvif->dev_role_id); | |
1834 | if (ret < 0) | |
1835 | goto out; | |
1836 | } | |
1837 | ||
1838 | ret = wl12xx_cmd_role_stop_dev(wl, wlvif); | |
1839 | if (ret < 0) | |
1840 | goto out; | |
889300fa EP |
1841 | |
1842 | ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); | |
1843 | if (ret < 0) | |
1844 | goto out; | |
1845 | ||
679a6734 EP |
1846 | out: |
1847 | return ret; | |
1848 | } |