diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_cmd.c')
-rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_cmd.c | 813 |
1 files changed, 813 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c new file mode 100644 index 000000000000..2a4351ff54dc --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c | |||
@@ -0,0 +1,813 @@ | |||
1 | /* | ||
2 | * This file is part of wl1271 | ||
3 | * | ||
4 | * Copyright (C) 2009 Nokia Corporation | ||
5 | * | ||
6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU General Public License | ||
10 | * version 2 as published by the Free Software Foundation. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, but | ||
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
20 | * 02110-1301 USA | ||
21 | * | ||
22 | */ | ||
23 | |||
24 | #include <linux/module.h> | ||
25 | #include <linux/platform_device.h> | ||
26 | #include <linux/crc7.h> | ||
27 | #include <linux/spi/spi.h> | ||
28 | #include <linux/etherdevice.h> | ||
29 | |||
30 | #include "wl1271.h" | ||
31 | #include "wl1271_reg.h" | ||
32 | #include "wl1271_spi.h" | ||
33 | #include "wl1271_acx.h" | ||
34 | #include "wl12xx_80211.h" | ||
35 | #include "wl1271_cmd.h" | ||
36 | |||
37 | /* | ||
38 | * send command to firmware | ||
39 | * | ||
40 | * @wl: wl struct | ||
41 | * @id: command id | ||
42 | * @buf: buffer containing the command, must work with dma | ||
43 | * @len: length of the buffer | ||
44 | */ | ||
45 | int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len) | ||
46 | { | ||
47 | struct wl1271_cmd_header *cmd; | ||
48 | unsigned long timeout; | ||
49 | u32 intr; | ||
50 | int ret = 0; | ||
51 | |||
52 | cmd = buf; | ||
53 | cmd->id = id; | ||
54 | cmd->status = 0; | ||
55 | |||
56 | WARN_ON(len % 4 != 0); | ||
57 | |||
58 | wl1271_spi_mem_write(wl, wl->cmd_box_addr, buf, len); | ||
59 | |||
60 | wl1271_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD); | ||
61 | |||
62 | timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); | ||
63 | |||
64 | intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); | ||
65 | while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) { | ||
66 | if (time_after(jiffies, timeout)) { | ||
67 | wl1271_error("command complete timeout"); | ||
68 | ret = -ETIMEDOUT; | ||
69 | goto out; | ||
70 | } | ||
71 | |||
72 | msleep(1); | ||
73 | |||
74 | intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); | ||
75 | } | ||
76 | |||
77 | wl1271_reg_write32(wl, ACX_REG_INTERRUPT_ACK, | ||
78 | WL1271_ACX_INTR_CMD_COMPLETE); | ||
79 | |||
80 | out: | ||
81 | return ret; | ||
82 | } | ||
83 | |||
84 | int wl1271_cmd_cal_channel_tune(struct wl1271 *wl) | ||
85 | { | ||
86 | struct wl1271_cmd_cal_channel_tune *cmd; | ||
87 | int ret = 0; | ||
88 | |||
89 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | ||
90 | if (!cmd) | ||
91 | return -ENOMEM; | ||
92 | |||
93 | cmd->test.id = TEST_CMD_CHANNEL_TUNE; | ||
94 | |||
95 | cmd->band = WL1271_CHANNEL_TUNE_BAND_2_4; | ||
96 | /* set up any channel, 7 is in the middle of the range */ | ||
97 | cmd->channel = 7; | ||
98 | |||
99 | ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); | ||
100 | if (ret < 0) | ||
101 | wl1271_warning("TEST_CMD_CHANNEL_TUNE failed"); | ||
102 | |||
103 | kfree(cmd); | ||
104 | return ret; | ||
105 | } | ||
106 | |||
107 | int wl1271_cmd_cal_update_ref_point(struct wl1271 *wl) | ||
108 | { | ||
109 | struct wl1271_cmd_cal_update_ref_point *cmd; | ||
110 | int ret = 0; | ||
111 | |||
112 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | ||
113 | if (!cmd) | ||
114 | return -ENOMEM; | ||
115 | |||
116 | cmd->test.id = TEST_CMD_UPDATE_PD_REFERENCE_POINT; | ||
117 | |||
118 | /* FIXME: still waiting for the correct values */ | ||
119 | cmd->ref_power = 0; | ||
120 | cmd->ref_detector = 0; | ||
121 | |||
122 | cmd->sub_band = WL1271_PD_REFERENCE_POINT_BAND_B_G; | ||
123 | |||
124 | ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); | ||
125 | if (ret < 0) | ||
126 | wl1271_warning("TEST_CMD_UPDATE_PD_REFERENCE_POINT failed"); | ||
127 | |||
128 | kfree(cmd); | ||
129 | return ret; | ||
130 | } | ||
131 | |||
132 | int wl1271_cmd_cal_p2g(struct wl1271 *wl) | ||
133 | { | ||
134 | struct wl1271_cmd_cal_p2g *cmd; | ||
135 | int ret = 0; | ||
136 | |||
137 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | ||
138 | if (!cmd) | ||
139 | return -ENOMEM; | ||
140 | |||
141 | cmd->test.id = TEST_CMD_P2G_CAL; | ||
142 | |||
143 | cmd->sub_band_mask = WL1271_CAL_P2G_BAND_B_G; | ||
144 | |||
145 | ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); | ||
146 | if (ret < 0) | ||
147 | wl1271_warning("TEST_CMD_P2G_CAL failed"); | ||
148 | |||
149 | kfree(cmd); | ||
150 | return ret; | ||
151 | } | ||
152 | |||
153 | int wl1271_cmd_cal(struct wl1271 *wl) | ||
154 | { | ||
155 | /* | ||
156 | * FIXME: we must make sure that we're not sleeping when calibration | ||
157 | * is done | ||
158 | */ | ||
159 | int ret; | ||
160 | |||
161 | wl1271_notice("performing tx calibration"); | ||
162 | |||
163 | ret = wl1271_cmd_cal_channel_tune(wl); | ||
164 | if (ret < 0) | ||
165 | return ret; | ||
166 | |||
167 | ret = wl1271_cmd_cal_update_ref_point(wl); | ||
168 | if (ret < 0) | ||
169 | return ret; | ||
170 | |||
171 | ret = wl1271_cmd_cal_p2g(wl); | ||
172 | if (ret < 0) | ||
173 | return ret; | ||
174 | |||
175 | return ret; | ||
176 | } | ||
177 | |||
178 | int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval, | ||
179 | u16 beacon_interval, u8 wait) | ||
180 | { | ||
181 | static bool do_cal = true; | ||
182 | unsigned long timeout; | ||
183 | struct wl1271_cmd_join *join; | ||
184 | int ret, i; | ||
185 | u8 *bssid; | ||
186 | |||
187 | /* FIXME: remove when we get calibration from the factory */ | ||
188 | if (do_cal) { | ||
189 | ret = wl1271_cmd_cal(wl); | ||
190 | if (ret < 0) | ||
191 | wl1271_warning("couldn't calibrate"); | ||
192 | else | ||
193 | do_cal = false; | ||
194 | } | ||
195 | |||
196 | |||
197 | join = kzalloc(sizeof(*join), GFP_KERNEL); | ||
198 | if (!join) { | ||
199 | ret = -ENOMEM; | ||
200 | goto out; | ||
201 | } | ||
202 | |||
203 | wl1271_debug(DEBUG_CMD, "cmd join"); | ||
204 | |||
205 | /* Reverse order BSSID */ | ||
206 | bssid = (u8 *) &join->bssid_lsb; | ||
207 | for (i = 0; i < ETH_ALEN; i++) | ||
208 | bssid[i] = wl->bssid[ETH_ALEN - i - 1]; | ||
209 | |||
210 | join->rx_config_options = wl->rx_config; | ||
211 | join->rx_filter_options = wl->rx_filter; | ||
212 | |||
213 | join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS | | ||
214 | RATE_MASK_5_5MBPS | RATE_MASK_11MBPS; | ||
215 | |||
216 | join->beacon_interval = beacon_interval; | ||
217 | join->dtim_interval = dtim_interval; | ||
218 | join->bss_type = bss_type; | ||
219 | join->channel = wl->channel; | ||
220 | join->ssid_len = wl->ssid_len; | ||
221 | memcpy(join->ssid, wl->ssid, wl->ssid_len); | ||
222 | join->ctrl = WL1271_JOIN_CMD_CTRL_TX_FLUSH; | ||
223 | |||
224 | /* increment the session counter */ | ||
225 | wl->session_counter++; | ||
226 | if (wl->session_counter >= SESSION_COUNTER_MAX) | ||
227 | wl->session_counter = 0; | ||
228 | |||
229 | join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET; | ||
230 | |||
231 | |||
232 | ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join)); | ||
233 | if (ret < 0) { | ||
234 | wl1271_error("failed to initiate cmd join"); | ||
235 | goto out_free; | ||
236 | } | ||
237 | |||
238 | timeout = msecs_to_jiffies(JOIN_TIMEOUT); | ||
239 | |||
240 | /* | ||
241 | * ugly hack: we should wait for JOIN_EVENT_COMPLETE_ID but to | ||
242 | * simplify locking we just sleep instead, for now | ||
243 | */ | ||
244 | if (wait) | ||
245 | msleep(10); | ||
246 | |||
247 | out_free: | ||
248 | kfree(join); | ||
249 | |||
250 | out: | ||
251 | return ret; | ||
252 | } | ||
253 | |||
254 | /** | ||
255 | * send test command to firmware | ||
256 | * | ||
257 | * @wl: wl struct | ||
258 | * @buf: buffer containing the command, with all headers, must work with dma | ||
259 | * @len: length of the buffer | ||
260 | * @answer: is answer needed | ||
261 | */ | ||
262 | int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer) | ||
263 | { | ||
264 | int ret; | ||
265 | |||
266 | wl1271_debug(DEBUG_CMD, "cmd test"); | ||
267 | |||
268 | ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len); | ||
269 | |||
270 | if (ret < 0) { | ||
271 | wl1271_warning("TEST command failed"); | ||
272 | return ret; | ||
273 | } | ||
274 | |||
275 | if (answer) { | ||
276 | struct wl1271_command *cmd_answer; | ||
277 | |||
278 | /* | ||
279 | * The test command got in, we can read the answer. | ||
280 | * The answer would be a wl1271_command, where the | ||
281 | * parameter array contains the actual answer. | ||
282 | */ | ||
283 | wl1271_spi_mem_read(wl, wl->cmd_box_addr, buf, buf_len); | ||
284 | |||
285 | cmd_answer = buf; | ||
286 | |||
287 | if (cmd_answer->header.status != CMD_STATUS_SUCCESS) | ||
288 | wl1271_error("TEST command answer error: %d", | ||
289 | cmd_answer->header.status); | ||
290 | } | ||
291 | |||
292 | return 0; | ||
293 | } | ||
294 | |||
295 | /** | ||
296 | * read acx from firmware | ||
297 | * | ||
298 | * @wl: wl struct | ||
299 | * @id: acx id | ||
300 | * @buf: buffer for the response, including all headers, must work with dma | ||
301 | * @len: lenght of buf | ||
302 | */ | ||
303 | int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len) | ||
304 | { | ||
305 | struct acx_header *acx = buf; | ||
306 | int ret; | ||
307 | |||
308 | wl1271_debug(DEBUG_CMD, "cmd interrogate"); | ||
309 | |||
310 | acx->id = id; | ||
311 | |||
312 | /* payload length, does not include any headers */ | ||
313 | acx->len = len - sizeof(*acx); | ||
314 | |||
315 | ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx)); | ||
316 | if (ret < 0) { | ||
317 | wl1271_error("INTERROGATE command failed"); | ||
318 | goto out; | ||
319 | } | ||
320 | |||
321 | /* the interrogate command got in, we can read the answer */ | ||
322 | wl1271_spi_mem_read(wl, wl->cmd_box_addr, buf, len); | ||
323 | |||
324 | acx = buf; | ||
325 | if (acx->cmd.status != CMD_STATUS_SUCCESS) | ||
326 | wl1271_error("INTERROGATE command error: %d", | ||
327 | acx->cmd.status); | ||
328 | |||
329 | out: | ||
330 | return ret; | ||
331 | } | ||
332 | |||
333 | /** | ||
334 | * write acx value to firmware | ||
335 | * | ||
336 | * @wl: wl struct | ||
337 | * @id: acx id | ||
338 | * @buf: buffer containing acx, including all headers, must work with dma | ||
339 | * @len: length of buf | ||
340 | */ | ||
341 | int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) | ||
342 | { | ||
343 | struct acx_header *acx = buf; | ||
344 | int ret; | ||
345 | |||
346 | wl1271_debug(DEBUG_CMD, "cmd configure"); | ||
347 | |||
348 | acx->id = id; | ||
349 | |||
350 | /* payload length, does not include any headers */ | ||
351 | acx->len = len - sizeof(*acx); | ||
352 | |||
353 | ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len); | ||
354 | if (ret < 0) { | ||
355 | wl1271_warning("CONFIGURE command NOK"); | ||
356 | return ret; | ||
357 | } | ||
358 | |||
359 | return 0; | ||
360 | } | ||
361 | |||
362 | int wl1271_cmd_data_path(struct wl1271 *wl, u8 channel, bool enable) | ||
363 | { | ||
364 | struct cmd_enabledisable_path *cmd; | ||
365 | int ret; | ||
366 | u16 cmd_rx, cmd_tx; | ||
367 | |||
368 | wl1271_debug(DEBUG_CMD, "cmd data path"); | ||
369 | |||
370 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | ||
371 | if (!cmd) { | ||
372 | ret = -ENOMEM; | ||
373 | goto out; | ||
374 | } | ||
375 | |||
376 | cmd->channel = channel; | ||
377 | |||
378 | if (enable) { | ||
379 | cmd_rx = CMD_ENABLE_RX; | ||
380 | cmd_tx = CMD_ENABLE_TX; | ||
381 | } else { | ||
382 | cmd_rx = CMD_DISABLE_RX; | ||
383 | cmd_tx = CMD_DISABLE_TX; | ||
384 | } | ||
385 | |||
386 | ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd)); | ||
387 | if (ret < 0) { | ||
388 | wl1271_error("rx %s cmd for channel %d failed", | ||
389 | enable ? "start" : "stop", channel); | ||
390 | goto out; | ||
391 | } | ||
392 | |||
393 | wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d", | ||
394 | enable ? "start" : "stop", channel); | ||
395 | |||
396 | ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd)); | ||
397 | if (ret < 0) { | ||
398 | wl1271_error("tx %s cmd for channel %d failed", | ||
399 | enable ? "start" : "stop", channel); | ||
400 | return ret; | ||
401 | } | ||
402 | |||
403 | wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d", | ||
404 | enable ? "start" : "stop", channel); | ||
405 | |||
406 | out: | ||
407 | kfree(cmd); | ||
408 | return ret; | ||
409 | } | ||
410 | |||
411 | int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode) | ||
412 | { | ||
413 | struct wl1271_cmd_ps_params *ps_params = NULL; | ||
414 | int ret = 0; | ||
415 | |||
416 | /* FIXME: this should be in ps.c */ | ||
417 | ret = wl1271_acx_wake_up_conditions(wl, WAKE_UP_EVENT_DTIM_BITMAP, | ||
418 | wl->listen_int); | ||
419 | if (ret < 0) { | ||
420 | wl1271_error("couldn't set wake up conditions"); | ||
421 | goto out; | ||
422 | } | ||
423 | |||
424 | wl1271_debug(DEBUG_CMD, "cmd set ps mode"); | ||
425 | |||
426 | ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL); | ||
427 | if (!ps_params) { | ||
428 | ret = -ENOMEM; | ||
429 | goto out; | ||
430 | } | ||
431 | |||
432 | ps_params->ps_mode = ps_mode; | ||
433 | ps_params->send_null_data = 1; | ||
434 | ps_params->retries = 5; | ||
435 | ps_params->hang_over_period = 128; | ||
436 | ps_params->null_data_rate = 1; /* 1 Mbps */ | ||
437 | |||
438 | ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params, | ||
439 | sizeof(*ps_params)); | ||
440 | if (ret < 0) { | ||
441 | wl1271_error("cmd set_ps_mode failed"); | ||
442 | goto out; | ||
443 | } | ||
444 | |||
445 | out: | ||
446 | kfree(ps_params); | ||
447 | return ret; | ||
448 | } | ||
449 | |||
450 | int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer, | ||
451 | size_t len) | ||
452 | { | ||
453 | struct cmd_read_write_memory *cmd; | ||
454 | int ret = 0; | ||
455 | |||
456 | wl1271_debug(DEBUG_CMD, "cmd read memory"); | ||
457 | |||
458 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | ||
459 | if (!cmd) { | ||
460 | ret = -ENOMEM; | ||
461 | goto out; | ||
462 | } | ||
463 | |||
464 | WARN_ON(len > MAX_READ_SIZE); | ||
465 | len = min_t(size_t, len, MAX_READ_SIZE); | ||
466 | |||
467 | cmd->addr = addr; | ||
468 | cmd->size = len; | ||
469 | |||
470 | ret = wl1271_cmd_send(wl, CMD_READ_MEMORY, cmd, sizeof(*cmd)); | ||
471 | if (ret < 0) { | ||
472 | wl1271_error("read memory command failed: %d", ret); | ||
473 | goto out; | ||
474 | } | ||
475 | |||
476 | /* the read command got in, we can now read the answer */ | ||
477 | wl1271_spi_mem_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd)); | ||
478 | |||
479 | if (cmd->header.status != CMD_STATUS_SUCCESS) | ||
480 | wl1271_error("error in read command result: %d", | ||
481 | cmd->header.status); | ||
482 | |||
483 | memcpy(answer, cmd->value, len); | ||
484 | |||
485 | out: | ||
486 | kfree(cmd); | ||
487 | return ret; | ||
488 | } | ||
489 | |||
490 | int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len, | ||
491 | u8 active_scan, u8 high_prio, u8 num_channels, | ||
492 | u8 probe_requests) | ||
493 | { | ||
494 | |||
495 | struct wl1271_cmd_trigger_scan_to *trigger = NULL; | ||
496 | struct wl1271_cmd_scan *params = NULL; | ||
497 | int i, ret; | ||
498 | u16 scan_options = 0; | ||
499 | |||
500 | if (wl->scanning) | ||
501 | return -EINVAL; | ||
502 | |||
503 | params = kzalloc(sizeof(*params), GFP_KERNEL); | ||
504 | if (!params) | ||
505 | return -ENOMEM; | ||
506 | |||
507 | params->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD); | ||
508 | params->params.rx_filter_options = | ||
509 | cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN); | ||
510 | |||
511 | if (!active_scan) | ||
512 | scan_options |= WL1271_SCAN_OPT_PASSIVE; | ||
513 | if (high_prio) | ||
514 | scan_options |= WL1271_SCAN_OPT_PRIORITY_HIGH; | ||
515 | params->params.scan_options = scan_options; | ||
516 | |||
517 | params->params.num_channels = num_channels; | ||
518 | params->params.num_probe_requests = probe_requests; | ||
519 | params->params.tx_rate = cpu_to_le32(RATE_MASK_2MBPS); | ||
520 | params->params.tid_trigger = 0; | ||
521 | params->params.scan_tag = WL1271_SCAN_DEFAULT_TAG; | ||
522 | |||
523 | for (i = 0; i < num_channels; i++) { | ||
524 | params->channels[i].min_duration = | ||
525 | cpu_to_le32(WL1271_SCAN_CHAN_MIN_DURATION); | ||
526 | params->channels[i].max_duration = | ||
527 | cpu_to_le32(WL1271_SCAN_CHAN_MAX_DURATION); | ||
528 | memset(¶ms->channels[i].bssid_lsb, 0xff, 4); | ||
529 | memset(¶ms->channels[i].bssid_msb, 0xff, 2); | ||
530 | params->channels[i].early_termination = 0; | ||
531 | params->channels[i].tx_power_att = WL1271_SCAN_CURRENT_TX_PWR; | ||
532 | params->channels[i].channel = i + 1; | ||
533 | } | ||
534 | |||
535 | if (len && ssid) { | ||
536 | params->params.ssid_len = len; | ||
537 | memcpy(params->params.ssid, ssid, len); | ||
538 | } | ||
539 | |||
540 | ret = wl1271_cmd_build_probe_req(wl, ssid, len); | ||
541 | if (ret < 0) { | ||
542 | wl1271_error("PROBE request template failed"); | ||
543 | goto out; | ||
544 | } | ||
545 | |||
546 | trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); | ||
547 | if (!trigger) { | ||
548 | ret = -ENOMEM; | ||
549 | goto out; | ||
550 | } | ||
551 | |||
552 | /* disable the timeout */ | ||
553 | trigger->timeout = 0; | ||
554 | |||
555 | ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, | ||
556 | sizeof(*trigger)); | ||
557 | if (ret < 0) { | ||
558 | wl1271_error("trigger scan to failed for hw scan"); | ||
559 | goto out; | ||
560 | } | ||
561 | |||
562 | wl1271_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params)); | ||
563 | |||
564 | wl->scanning = true; | ||
565 | |||
566 | ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params)); | ||
567 | if (ret < 0) { | ||
568 | wl1271_error("SCAN failed"); | ||
569 | goto out; | ||
570 | } | ||
571 | |||
572 | wl1271_spi_mem_read(wl, wl->cmd_box_addr, params, sizeof(*params)); | ||
573 | |||
574 | if (params->header.status != CMD_STATUS_SUCCESS) { | ||
575 | wl1271_error("Scan command error: %d", | ||
576 | params->header.status); | ||
577 | wl->scanning = false; | ||
578 | ret = -EIO; | ||
579 | goto out; | ||
580 | } | ||
581 | |||
582 | out: | ||
583 | kfree(params); | ||
584 | return ret; | ||
585 | } | ||
586 | |||
587 | int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id, | ||
588 | void *buf, size_t buf_len) | ||
589 | { | ||
590 | struct wl1271_cmd_template_set *cmd; | ||
591 | int ret = 0; | ||
592 | |||
593 | wl1271_debug(DEBUG_CMD, "cmd template_set %d", template_id); | ||
594 | |||
595 | WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE); | ||
596 | buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE); | ||
597 | |||
598 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | ||
599 | if (!cmd) { | ||
600 | ret = -ENOMEM; | ||
601 | goto out; | ||
602 | } | ||
603 | |||
604 | cmd->len = cpu_to_le16(buf_len); | ||
605 | cmd->template_type = template_id; | ||
606 | cmd->enabled_rates = ACX_RATE_MASK_UNSPECIFIED; | ||
607 | cmd->short_retry_limit = ACX_RATE_RETRY_LIMIT; | ||
608 | cmd->long_retry_limit = ACX_RATE_RETRY_LIMIT; | ||
609 | |||
610 | if (buf) | ||
611 | memcpy(cmd->template_data, buf, buf_len); | ||
612 | |||
613 | ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd)); | ||
614 | if (ret < 0) { | ||
615 | wl1271_warning("cmd set_template failed: %d", ret); | ||
616 | goto out_free; | ||
617 | } | ||
618 | |||
619 | out_free: | ||
620 | kfree(cmd); | ||
621 | |||
622 | out: | ||
623 | return ret; | ||
624 | } | ||
625 | |||
626 | static int wl1271_build_basic_rates(char *rates) | ||
627 | { | ||
628 | u8 index = 0; | ||
629 | |||
630 | rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; | ||
631 | rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; | ||
632 | rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; | ||
633 | rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; | ||
634 | |||
635 | return index; | ||
636 | } | ||
637 | |||
638 | static int wl1271_build_extended_rates(char *rates) | ||
639 | { | ||
640 | u8 index = 0; | ||
641 | |||
642 | rates[index++] = IEEE80211_OFDM_RATE_6MB; | ||
643 | rates[index++] = IEEE80211_OFDM_RATE_9MB; | ||
644 | rates[index++] = IEEE80211_OFDM_RATE_12MB; | ||
645 | rates[index++] = IEEE80211_OFDM_RATE_18MB; | ||
646 | rates[index++] = IEEE80211_OFDM_RATE_24MB; | ||
647 | rates[index++] = IEEE80211_OFDM_RATE_36MB; | ||
648 | rates[index++] = IEEE80211_OFDM_RATE_48MB; | ||
649 | rates[index++] = IEEE80211_OFDM_RATE_54MB; | ||
650 | |||
651 | return index; | ||
652 | } | ||
653 | |||
654 | int wl1271_cmd_build_null_data(struct wl1271 *wl) | ||
655 | { | ||
656 | struct wl12xx_null_data_template template; | ||
657 | |||
658 | if (!is_zero_ether_addr(wl->bssid)) { | ||
659 | memcpy(template.header.da, wl->bssid, ETH_ALEN); | ||
660 | memcpy(template.header.bssid, wl->bssid, ETH_ALEN); | ||
661 | } else { | ||
662 | memset(template.header.da, 0xff, ETH_ALEN); | ||
663 | memset(template.header.bssid, 0xff, ETH_ALEN); | ||
664 | } | ||
665 | |||
666 | memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); | ||
667 | template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA | | ||
668 | IEEE80211_STYPE_NULLFUNC); | ||
669 | |||
670 | return wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, &template, | ||
671 | sizeof(template)); | ||
672 | |||
673 | } | ||
674 | |||
675 | int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid) | ||
676 | { | ||
677 | struct wl12xx_ps_poll_template template; | ||
678 | |||
679 | memcpy(template.bssid, wl->bssid, ETH_ALEN); | ||
680 | memcpy(template.ta, wl->mac_addr, ETH_ALEN); | ||
681 | template.aid = aid; | ||
682 | template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); | ||
683 | |||
684 | return wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, &template, | ||
685 | sizeof(template)); | ||
686 | |||
687 | } | ||
688 | |||
689 | int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len) | ||
690 | { | ||
691 | struct wl12xx_probe_req_template template; | ||
692 | struct wl12xx_ie_rates *rates; | ||
693 | char *ptr; | ||
694 | u16 size; | ||
695 | |||
696 | ptr = (char *)&template; | ||
697 | size = sizeof(struct ieee80211_header); | ||
698 | |||
699 | memset(template.header.da, 0xff, ETH_ALEN); | ||
700 | memset(template.header.bssid, 0xff, ETH_ALEN); | ||
701 | memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); | ||
702 | template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); | ||
703 | |||
704 | /* IEs */ | ||
705 | /* SSID */ | ||
706 | template.ssid.header.id = WLAN_EID_SSID; | ||
707 | template.ssid.header.len = ssid_len; | ||
708 | if (ssid_len && ssid) | ||
709 | memcpy(template.ssid.ssid, ssid, ssid_len); | ||
710 | size += sizeof(struct wl12xx_ie_header) + ssid_len; | ||
711 | ptr += size; | ||
712 | |||
713 | /* Basic Rates */ | ||
714 | rates = (struct wl12xx_ie_rates *)ptr; | ||
715 | rates->header.id = WLAN_EID_SUPP_RATES; | ||
716 | rates->header.len = wl1271_build_basic_rates(rates->rates); | ||
717 | size += sizeof(struct wl12xx_ie_header) + rates->header.len; | ||
718 | ptr += sizeof(struct wl12xx_ie_header) + rates->header.len; | ||
719 | |||
720 | /* Extended rates */ | ||
721 | rates = (struct wl12xx_ie_rates *)ptr; | ||
722 | rates->header.id = WLAN_EID_EXT_SUPP_RATES; | ||
723 | rates->header.len = wl1271_build_extended_rates(rates->rates); | ||
724 | size += sizeof(struct wl12xx_ie_header) + rates->header.len; | ||
725 | |||
726 | wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size); | ||
727 | |||
728 | return wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, | ||
729 | &template, size); | ||
730 | } | ||
731 | |||
732 | int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id) | ||
733 | { | ||
734 | struct wl1271_cmd_set_keys *cmd; | ||
735 | int ret = 0; | ||
736 | |||
737 | wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id); | ||
738 | |||
739 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | ||
740 | if (!cmd) { | ||
741 | ret = -ENOMEM; | ||
742 | goto out; | ||
743 | } | ||
744 | |||
745 | cmd->id = id; | ||
746 | cmd->key_action = KEY_SET_ID; | ||
747 | cmd->key_type = KEY_WEP; | ||
748 | |||
749 | ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd)); | ||
750 | if (ret < 0) { | ||
751 | wl1271_warning("cmd set_default_wep_key failed: %d", ret); | ||
752 | goto out; | ||
753 | } | ||
754 | |||
755 | out: | ||
756 | kfree(cmd); | ||
757 | |||
758 | return ret; | ||
759 | } | ||
760 | |||
761 | int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type, | ||
762 | u8 key_size, const u8 *key, const u8 *addr) | ||
763 | { | ||
764 | struct wl1271_cmd_set_keys *cmd; | ||
765 | int ret = 0; | ||
766 | |||
767 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | ||
768 | if (!cmd) { | ||
769 | ret = -ENOMEM; | ||
770 | goto out; | ||
771 | } | ||
772 | |||
773 | if (key_type != KEY_WEP) | ||
774 | memcpy(cmd->addr, addr, ETH_ALEN); | ||
775 | |||
776 | cmd->key_action = action; | ||
777 | cmd->key_size = key_size; | ||
778 | cmd->key_type = key_type; | ||
779 | |||
780 | /* we have only one SSID profile */ | ||
781 | cmd->ssid_profile = 0; | ||
782 | |||
783 | cmd->id = id; | ||
784 | |||
785 | /* FIXME: this is from wl1251, needs to be checked */ | ||
786 | if (key_type == KEY_TKIP) { | ||
787 | /* | ||
788 | * We get the key in the following form: | ||
789 | * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) | ||
790 | * but the target is expecting: | ||
791 | * TKIP - RX MIC - TX MIC | ||
792 | */ | ||
793 | memcpy(cmd->key, key, 16); | ||
794 | memcpy(cmd->key + 16, key + 24, 8); | ||
795 | memcpy(cmd->key + 24, key + 16, 8); | ||
796 | |||
797 | } else { | ||
798 | memcpy(cmd->key, key, key_size); | ||
799 | } | ||
800 | |||
801 | wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd)); | ||
802 | |||
803 | ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd)); | ||
804 | if (ret < 0) { | ||
805 | wl1271_warning("could not set keys"); | ||
806 | goto out; | ||
807 | } | ||
808 | |||
809 | out: | ||
810 | kfree(cmd); | ||
811 | |||
812 | return ret; | ||
813 | } | ||