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path: root/drivers/net/wireless/wl12xx/cmd.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/cmd.c')
-rw-r--r--drivers/net/wireless/wl12xx/cmd.c852
1 files changed, 852 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c
new file mode 100644
index 000000000000..0106628aa5a2
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/cmd.c
@@ -0,0 +1,852 @@
1/*
2 * This file is part of wl1271
3 *
4 * Copyright (C) 2009-2010 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#include <linux/ieee80211.h>
30#include <linux/slab.h>
31
32#include "wl12xx.h"
33#include "reg.h"
34#include "io.h"
35#include "acx.h"
36#include "wl12xx_80211.h"
37#include "cmd.h"
38#include "event.h"
39
40#define WL1271_CMD_FAST_POLL_COUNT 50
41
42/*
43 * send command to firmware
44 *
45 * @wl: wl struct
46 * @id: command id
47 * @buf: buffer containing the command, must work with dma
48 * @len: length of the buffer
49 */
50int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
51 size_t res_len)
52{
53 struct wl1271_cmd_header *cmd;
54 unsigned long timeout;
55 u32 intr;
56 int ret = 0;
57 u16 status;
58 u16 poll_count = 0;
59
60 cmd = buf;
61 cmd->id = cpu_to_le16(id);
62 cmd->status = 0;
63
64 WARN_ON(len % 4 != 0);
65
66 wl1271_write(wl, wl->cmd_box_addr, buf, len, false);
67
68 wl1271_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
69
70 timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
71
72 intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
73 while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) {
74 if (time_after(jiffies, timeout)) {
75 wl1271_error("command complete timeout");
76 ret = -ETIMEDOUT;
77 goto out;
78 }
79
80 poll_count++;
81 if (poll_count < WL1271_CMD_FAST_POLL_COUNT)
82 udelay(10);
83 else
84 msleep(1);
85
86 intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
87 }
88
89 /* read back the status code of the command */
90 if (res_len == 0)
91 res_len = sizeof(struct wl1271_cmd_header);
92 wl1271_read(wl, wl->cmd_box_addr, cmd, res_len, false);
93
94 status = le16_to_cpu(cmd->status);
95 if (status != CMD_STATUS_SUCCESS) {
96 wl1271_error("command execute failure %d", status);
97 ieee80211_queue_work(wl->hw, &wl->recovery_work);
98 ret = -EIO;
99 }
100
101 wl1271_write32(wl, ACX_REG_INTERRUPT_ACK,
102 WL1271_ACX_INTR_CMD_COMPLETE);
103
104out:
105 return ret;
106}
107
108int wl1271_cmd_general_parms(struct wl1271 *wl)
109{
110 struct wl1271_general_parms_cmd *gen_parms;
111 struct wl1271_ini_general_params *gp = &wl->nvs->general_params;
112 bool answer = false;
113 int ret;
114
115 if (!wl->nvs)
116 return -ENODEV;
117
118 gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
119 if (!gen_parms)
120 return -ENOMEM;
121
122 gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;
123
124 memcpy(&gen_parms->general_params, gp, sizeof(*gp));
125
126 if (gp->tx_bip_fem_auto_detect)
127 answer = true;
128
129 ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
130 if (ret < 0) {
131 wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
132 goto out;
133 }
134
135 gp->tx_bip_fem_manufacturer =
136 gen_parms->general_params.tx_bip_fem_manufacturer;
137
138 wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
139 answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer);
140
141out:
142 kfree(gen_parms);
143 return ret;
144}
145
146int wl1271_cmd_radio_parms(struct wl1271 *wl)
147{
148 struct wl1271_radio_parms_cmd *radio_parms;
149 struct wl1271_ini_general_params *gp = &wl->nvs->general_params;
150 int ret;
151
152 if (!wl->nvs)
153 return -ENODEV;
154
155 radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
156 if (!radio_parms)
157 return -ENOMEM;
158
159 radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
160
161 /* 2.4GHz parameters */
162 memcpy(&radio_parms->static_params_2, &wl->nvs->stat_radio_params_2,
163 sizeof(struct wl1271_ini_band_params_2));
164 memcpy(&radio_parms->dyn_params_2,
165 &wl->nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params,
166 sizeof(struct wl1271_ini_fem_params_2));
167
168 /* 5GHz parameters */
169 memcpy(&radio_parms->static_params_5,
170 &wl->nvs->stat_radio_params_5,
171 sizeof(struct wl1271_ini_band_params_5));
172 memcpy(&radio_parms->dyn_params_5,
173 &wl->nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params,
174 sizeof(struct wl1271_ini_fem_params_5));
175
176 wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
177 radio_parms, sizeof(*radio_parms));
178
179 ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
180 if (ret < 0)
181 wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
182
183 kfree(radio_parms);
184 return ret;
185}
186
187int wl1271_cmd_ext_radio_parms(struct wl1271 *wl)
188{
189 struct wl1271_ext_radio_parms_cmd *ext_radio_parms;
190 struct conf_rf_settings *rf = &wl->conf.rf;
191 int ret;
192
193 if (!wl->nvs)
194 return -ENODEV;
195
196 ext_radio_parms = kzalloc(sizeof(*ext_radio_parms), GFP_KERNEL);
197 if (!ext_radio_parms)
198 return -ENOMEM;
199
200 ext_radio_parms->test.id = TEST_CMD_INI_FILE_RF_EXTENDED_PARAM;
201
202 memcpy(ext_radio_parms->tx_per_channel_power_compensation_2,
203 rf->tx_per_channel_power_compensation_2,
204 CONF_TX_PWR_COMPENSATION_LEN_2);
205 memcpy(ext_radio_parms->tx_per_channel_power_compensation_5,
206 rf->tx_per_channel_power_compensation_5,
207 CONF_TX_PWR_COMPENSATION_LEN_5);
208
209 wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_EXT_RADIO_PARAM: ",
210 ext_radio_parms, sizeof(*ext_radio_parms));
211
212 ret = wl1271_cmd_test(wl, ext_radio_parms, sizeof(*ext_radio_parms), 0);
213 if (ret < 0)
214 wl1271_warning("TEST_CMD_INI_FILE_RF_EXTENDED_PARAM failed");
215
216 kfree(ext_radio_parms);
217 return ret;
218}
219
220/*
221 * Poll the mailbox event field until any of the bits in the mask is set or a
222 * timeout occurs (WL1271_EVENT_TIMEOUT in msecs)
223 */
224static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask)
225{
226 u32 events_vector, event;
227 unsigned long timeout;
228
229 timeout = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT);
230
231 do {
232 if (time_after(jiffies, timeout)) {
233 ieee80211_queue_work(wl->hw, &wl->recovery_work);
234 return -ETIMEDOUT;
235 }
236
237 msleep(1);
238
239 /* read from both event fields */
240 wl1271_read(wl, wl->mbox_ptr[0], &events_vector,
241 sizeof(events_vector), false);
242 event = events_vector & mask;
243 wl1271_read(wl, wl->mbox_ptr[1], &events_vector,
244 sizeof(events_vector), false);
245 event |= events_vector & mask;
246 } while (!event);
247
248 return 0;
249}
250
251int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type)
252{
253 struct wl1271_cmd_join *join;
254 int ret, i;
255 u8 *bssid;
256
257 join = kzalloc(sizeof(*join), GFP_KERNEL);
258 if (!join) {
259 ret = -ENOMEM;
260 goto out;
261 }
262
263 wl1271_debug(DEBUG_CMD, "cmd join");
264
265 /* Reverse order BSSID */
266 bssid = (u8 *) &join->bssid_lsb;
267 for (i = 0; i < ETH_ALEN; i++)
268 bssid[i] = wl->bssid[ETH_ALEN - i - 1];
269
270 join->rx_config_options = cpu_to_le32(wl->rx_config);
271 join->rx_filter_options = cpu_to_le32(wl->rx_filter);
272 join->bss_type = bss_type;
273 join->basic_rate_set = cpu_to_le32(wl->basic_rate_set);
274
275 if (wl->band == IEEE80211_BAND_5GHZ)
276 join->bss_type |= WL1271_JOIN_CMD_BSS_TYPE_5GHZ;
277
278 join->beacon_interval = cpu_to_le16(wl->beacon_int);
279 join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD;
280
281 join->channel = wl->channel;
282 join->ssid_len = wl->ssid_len;
283 memcpy(join->ssid, wl->ssid, wl->ssid_len);
284
285 join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET;
286
287 /* reset TX security counters */
288 wl->tx_security_last_seq = 0;
289 wl->tx_security_seq = 0;
290
291 ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join), 0);
292 if (ret < 0) {
293 wl1271_error("failed to initiate cmd join");
294 goto out_free;
295 }
296
297 ret = wl1271_cmd_wait_for_event(wl, JOIN_EVENT_COMPLETE_ID);
298 if (ret < 0)
299 wl1271_error("cmd join event completion error");
300
301out_free:
302 kfree(join);
303
304out:
305 return ret;
306}
307
308/**
309 * send test command to firmware
310 *
311 * @wl: wl struct
312 * @buf: buffer containing the command, with all headers, must work with dma
313 * @len: length of the buffer
314 * @answer: is answer needed
315 */
316int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
317{
318 int ret;
319 size_t res_len = 0;
320
321 wl1271_debug(DEBUG_CMD, "cmd test");
322
323 if (answer)
324 res_len = buf_len;
325
326 ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len);
327
328 if (ret < 0) {
329 wl1271_warning("TEST command failed");
330 return ret;
331 }
332
333 return ret;
334}
335
336/**
337 * read acx from firmware
338 *
339 * @wl: wl struct
340 * @id: acx id
341 * @buf: buffer for the response, including all headers, must work with dma
342 * @len: lenght of buf
343 */
344int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
345{
346 struct acx_header *acx = buf;
347 int ret;
348
349 wl1271_debug(DEBUG_CMD, "cmd interrogate");
350
351 acx->id = cpu_to_le16(id);
352
353 /* payload length, does not include any headers */
354 acx->len = cpu_to_le16(len - sizeof(*acx));
355
356 ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len);
357 if (ret < 0)
358 wl1271_error("INTERROGATE command failed");
359
360 return ret;
361}
362
363/**
364 * write acx value to firmware
365 *
366 * @wl: wl struct
367 * @id: acx id
368 * @buf: buffer containing acx, including all headers, must work with dma
369 * @len: length of buf
370 */
371int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len)
372{
373 struct acx_header *acx = buf;
374 int ret;
375
376 wl1271_debug(DEBUG_CMD, "cmd configure");
377
378 acx->id = cpu_to_le16(id);
379
380 /* payload length, does not include any headers */
381 acx->len = cpu_to_le16(len - sizeof(*acx));
382
383 ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0);
384 if (ret < 0) {
385 wl1271_warning("CONFIGURE command NOK");
386 return ret;
387 }
388
389 return 0;
390}
391
392int wl1271_cmd_data_path(struct wl1271 *wl, bool enable)
393{
394 struct cmd_enabledisable_path *cmd;
395 int ret;
396 u16 cmd_rx, cmd_tx;
397
398 wl1271_debug(DEBUG_CMD, "cmd data path");
399
400 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
401 if (!cmd) {
402 ret = -ENOMEM;
403 goto out;
404 }
405
406 /* the channel here is only used for calibration, so hardcoded to 1 */
407 cmd->channel = 1;
408
409 if (enable) {
410 cmd_rx = CMD_ENABLE_RX;
411 cmd_tx = CMD_ENABLE_TX;
412 } else {
413 cmd_rx = CMD_DISABLE_RX;
414 cmd_tx = CMD_DISABLE_TX;
415 }
416
417 ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0);
418 if (ret < 0) {
419 wl1271_error("rx %s cmd for channel %d failed",
420 enable ? "start" : "stop", cmd->channel);
421 goto out;
422 }
423
424 wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d",
425 enable ? "start" : "stop", cmd->channel);
426
427 ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0);
428 if (ret < 0) {
429 wl1271_error("tx %s cmd for channel %d failed",
430 enable ? "start" : "stop", cmd->channel);
431 goto out;
432 }
433
434 wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d",
435 enable ? "start" : "stop", cmd->channel);
436
437out:
438 kfree(cmd);
439 return ret;
440}
441
442int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, u32 rates, bool send)
443{
444 struct wl1271_cmd_ps_params *ps_params = NULL;
445 int ret = 0;
446
447 wl1271_debug(DEBUG_CMD, "cmd set ps mode");
448
449 ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
450 if (!ps_params) {
451 ret = -ENOMEM;
452 goto out;
453 }
454
455 ps_params->ps_mode = ps_mode;
456 ps_params->send_null_data = send;
457 ps_params->retries = wl->conf.conn.psm_entry_nullfunc_retries;
458 ps_params->hang_over_period = wl->conf.conn.psm_entry_hangover_period;
459 ps_params->null_data_rate = cpu_to_le32(rates);
460
461 ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
462 sizeof(*ps_params), 0);
463 if (ret < 0) {
464 wl1271_error("cmd set_ps_mode failed");
465 goto out;
466 }
467
468out:
469 kfree(ps_params);
470 return ret;
471}
472
473int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
474 void *buf, size_t buf_len, int index, u32 rates)
475{
476 struct wl1271_cmd_template_set *cmd;
477 int ret = 0;
478
479 wl1271_debug(DEBUG_CMD, "cmd template_set %d", template_id);
480
481 WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE);
482 buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE);
483
484 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
485 if (!cmd) {
486 ret = -ENOMEM;
487 goto out;
488 }
489
490 cmd->len = cpu_to_le16(buf_len);
491 cmd->template_type = template_id;
492 cmd->enabled_rates = cpu_to_le32(rates);
493 cmd->short_retry_limit = wl->conf.tx.rc_conf.short_retry_limit;
494 cmd->long_retry_limit = wl->conf.tx.rc_conf.long_retry_limit;
495 cmd->index = index;
496
497 if (buf)
498 memcpy(cmd->template_data, buf, buf_len);
499
500 ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0);
501 if (ret < 0) {
502 wl1271_warning("cmd set_template failed: %d", ret);
503 goto out_free;
504 }
505
506out_free:
507 kfree(cmd);
508
509out:
510 return ret;
511}
512
513int wl1271_cmd_build_null_data(struct wl1271 *wl)
514{
515 struct sk_buff *skb = NULL;
516 int size;
517 void *ptr;
518 int ret = -ENOMEM;
519
520
521 if (wl->bss_type == BSS_TYPE_IBSS) {
522 size = sizeof(struct wl12xx_null_data_template);
523 ptr = NULL;
524 } else {
525 skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
526 if (!skb)
527 goto out;
528 size = skb->len;
529 ptr = skb->data;
530 }
531
532 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, ptr, size, 0,
533 wl->basic_rate);
534
535out:
536 dev_kfree_skb(skb);
537 if (ret)
538 wl1271_warning("cmd buld null data failed %d", ret);
539
540 return ret;
541
542}
543
544int wl1271_cmd_build_klv_null_data(struct wl1271 *wl)
545{
546 struct sk_buff *skb = NULL;
547 int ret = -ENOMEM;
548
549 skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
550 if (!skb)
551 goto out;
552
553 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV,
554 skb->data, skb->len,
555 CMD_TEMPL_KLV_IDX_NULL_DATA,
556 wl->basic_rate);
557
558out:
559 dev_kfree_skb(skb);
560 if (ret)
561 wl1271_warning("cmd build klv null data failed %d", ret);
562
563 return ret;
564
565}
566
567int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid)
568{
569 struct sk_buff *skb;
570 int ret = 0;
571
572 skb = ieee80211_pspoll_get(wl->hw, wl->vif);
573 if (!skb)
574 goto out;
575
576 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, skb->data,
577 skb->len, 0, wl->basic_rate_set);
578
579out:
580 dev_kfree_skb(skb);
581 return ret;
582}
583
584int wl1271_cmd_build_probe_req(struct wl1271 *wl,
585 const u8 *ssid, size_t ssid_len,
586 const u8 *ie, size_t ie_len, u8 band)
587{
588 struct sk_buff *skb;
589 int ret;
590
591 skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
592 ie, ie_len);
593 if (!skb) {
594 ret = -ENOMEM;
595 goto out;
596 }
597
598 wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len);
599
600 if (band == IEEE80211_BAND_2GHZ)
601 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
602 skb->data, skb->len, 0,
603 wl->conf.tx.basic_rate);
604 else
605 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
606 skb->data, skb->len, 0,
607 wl->conf.tx.basic_rate_5);
608
609out:
610 dev_kfree_skb(skb);
611 return ret;
612}
613
614struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
615 struct sk_buff *skb)
616{
617 int ret;
618
619 if (!skb)
620 skb = ieee80211_ap_probereq_get(wl->hw, wl->vif);
621 if (!skb)
622 goto out;
623
624 wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len);
625
626 if (wl->band == IEEE80211_BAND_2GHZ)
627 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
628 skb->data, skb->len, 0,
629 wl->conf.tx.basic_rate);
630 else
631 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
632 skb->data, skb->len, 0,
633 wl->conf.tx.basic_rate_5);
634
635 if (ret < 0)
636 wl1271_error("Unable to set ap probe request template.");
637
638out:
639 return skb;
640}
641
642int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr)
643{
644 int ret;
645 struct wl12xx_arp_rsp_template tmpl;
646 struct ieee80211_hdr_3addr *hdr;
647 struct arphdr *arp_hdr;
648
649 memset(&tmpl, 0, sizeof(tmpl));
650
651 /* mac80211 header */
652 hdr = &tmpl.hdr;
653 hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
654 IEEE80211_STYPE_DATA |
655 IEEE80211_FCTL_TODS);
656 memcpy(hdr->addr1, wl->vif->bss_conf.bssid, ETH_ALEN);
657 memcpy(hdr->addr2, wl->vif->addr, ETH_ALEN);
658 memset(hdr->addr3, 0xff, ETH_ALEN);
659
660 /* llc layer */
661 memcpy(tmpl.llc_hdr, rfc1042_header, sizeof(rfc1042_header));
662 tmpl.llc_type = htons(ETH_P_ARP);
663
664 /* arp header */
665 arp_hdr = &tmpl.arp_hdr;
666 arp_hdr->ar_hrd = htons(ARPHRD_ETHER);
667 arp_hdr->ar_pro = htons(ETH_P_IP);
668 arp_hdr->ar_hln = ETH_ALEN;
669 arp_hdr->ar_pln = 4;
670 arp_hdr->ar_op = htons(ARPOP_REPLY);
671
672 /* arp payload */
673 memcpy(tmpl.sender_hw, wl->vif->addr, ETH_ALEN);
674 tmpl.sender_ip = ip_addr;
675
676 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP,
677 &tmpl, sizeof(tmpl), 0,
678 wl->basic_rate);
679
680 return ret;
681}
682
683int wl1271_build_qos_null_data(struct wl1271 *wl)
684{
685 struct ieee80211_qos_hdr template;
686
687 memset(&template, 0, sizeof(template));
688
689 memcpy(template.addr1, wl->bssid, ETH_ALEN);
690 memcpy(template.addr2, wl->mac_addr, ETH_ALEN);
691 memcpy(template.addr3, wl->bssid, ETH_ALEN);
692
693 template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
694 IEEE80211_STYPE_QOS_NULLFUNC |
695 IEEE80211_FCTL_TODS);
696
697 /* FIXME: not sure what priority to use here */
698 template.qos_ctrl = cpu_to_le16(0);
699
700 return wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, &template,
701 sizeof(template), 0,
702 wl->basic_rate);
703}
704
705int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id)
706{
707 struct wl1271_cmd_set_keys *cmd;
708 int ret = 0;
709
710 wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id);
711
712 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
713 if (!cmd) {
714 ret = -ENOMEM;
715 goto out;
716 }
717
718 cmd->id = id;
719 cmd->key_action = cpu_to_le16(KEY_SET_ID);
720 cmd->key_type = KEY_WEP;
721
722 ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
723 if (ret < 0) {
724 wl1271_warning("cmd set_default_wep_key failed: %d", ret);
725 goto out;
726 }
727
728out:
729 kfree(cmd);
730
731 return ret;
732}
733
734int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
735 u8 key_size, const u8 *key, const u8 *addr,
736 u32 tx_seq_32, u16 tx_seq_16)
737{
738 struct wl1271_cmd_set_keys *cmd;
739 int ret = 0;
740
741 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
742 if (!cmd) {
743 ret = -ENOMEM;
744 goto out;
745 }
746
747 if (key_type != KEY_WEP)
748 memcpy(cmd->addr, addr, ETH_ALEN);
749
750 cmd->key_action = cpu_to_le16(action);
751 cmd->key_size = key_size;
752 cmd->key_type = key_type;
753
754 cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
755 cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
756
757 /* we have only one SSID profile */
758 cmd->ssid_profile = 0;
759
760 cmd->id = id;
761
762 if (key_type == KEY_TKIP) {
763 /*
764 * We get the key in the following form:
765 * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
766 * but the target is expecting:
767 * TKIP - RX MIC - TX MIC
768 */
769 memcpy(cmd->key, key, 16);
770 memcpy(cmd->key + 16, key + 24, 8);
771 memcpy(cmd->key + 24, key + 16, 8);
772
773 } else {
774 memcpy(cmd->key, key, key_size);
775 }
776
777 wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd));
778
779 ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
780 if (ret < 0) {
781 wl1271_warning("could not set keys");
782 goto out;
783 }
784
785out:
786 kfree(cmd);
787
788 return ret;
789}
790
791int wl1271_cmd_disconnect(struct wl1271 *wl)
792{
793 struct wl1271_cmd_disconnect *cmd;
794 int ret = 0;
795
796 wl1271_debug(DEBUG_CMD, "cmd disconnect");
797
798 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
799 if (!cmd) {
800 ret = -ENOMEM;
801 goto out;
802 }
803
804 cmd->rx_config_options = cpu_to_le32(wl->rx_config);
805 cmd->rx_filter_options = cpu_to_le32(wl->rx_filter);
806 /* disconnect reason is not used in immediate disconnections */
807 cmd->type = DISCONNECT_IMMEDIATE;
808
809 ret = wl1271_cmd_send(wl, CMD_DISCONNECT, cmd, sizeof(*cmd), 0);
810 if (ret < 0) {
811 wl1271_error("failed to send disconnect command");
812 goto out_free;
813 }
814
815 ret = wl1271_cmd_wait_for_event(wl, DISCONNECT_EVENT_COMPLETE_ID);
816 if (ret < 0)
817 wl1271_error("cmd disconnect event completion error");
818
819out_free:
820 kfree(cmd);
821
822out:
823 return ret;
824}
825
826int wl1271_cmd_set_sta_state(struct wl1271 *wl)
827{
828 struct wl1271_cmd_set_sta_state *cmd;
829 int ret = 0;
830
831 wl1271_debug(DEBUG_CMD, "cmd set sta state");
832
833 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
834 if (!cmd) {
835 ret = -ENOMEM;
836 goto out;
837 }
838
839 cmd->state = WL1271_CMD_STA_STATE_CONNECTED;
840
841 ret = wl1271_cmd_send(wl, CMD_SET_STA_STATE, cmd, sizeof(*cmd), 0);
842 if (ret < 0) {
843 wl1271_error("failed to send set STA state command");
844 goto out_free;
845 }
846
847out_free:
848 kfree(cmd);
849
850out:
851 return ret;
852}
generated by cgit v1.2.2 (git 2.25.0) at 2025-06-03 13:57:35 -0400