1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Implementation of the host-to-chip commands (aka request/confirmation) of the
4 * hardware API.
5 *
6 * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
7 * Copyright (c) 2010, ST-Ericsson
8 */
9 #include <linux/etherdevice.h>
10
11 #include "hif_tx.h"
12 #include "wfx.h"
13 #include "bh.h"
14 #include "hwio.h"
15 #include "debug.h"
16 #include "sta.h"
17
wfx_init_hif_cmd(struct wfx_hif_cmd * hif_cmd)18 void wfx_init_hif_cmd(struct wfx_hif_cmd *hif_cmd)
19 {
20 init_completion(&hif_cmd->ready);
21 init_completion(&hif_cmd->done);
22 mutex_init(&hif_cmd->lock);
23 }
24
wfx_fill_header(struct wfx_hif_msg * hif,int if_id,unsigned int cmd,size_t size)25 static void wfx_fill_header(struct wfx_hif_msg *hif, int if_id, unsigned int cmd, size_t size)
26 {
27 if (if_id == -1)
28 if_id = 2;
29
30 WARN(cmd > 0x3f, "invalid hardware command %#.2x", cmd);
31 WARN(size > 0xFFF, "requested buffer is too large: %zu bytes", size);
32 WARN(if_id > 0x3, "invalid interface ID %d", if_id);
33
34 hif->len = cpu_to_le16(size + 4);
35 hif->id = cmd;
36 hif->interface = if_id;
37 }
38
wfx_alloc_hif(size_t body_len,struct wfx_hif_msg ** hif)39 static void *wfx_alloc_hif(size_t body_len, struct wfx_hif_msg **hif)
40 {
41 *hif = kzalloc(sizeof(struct wfx_hif_msg) + body_len, GFP_KERNEL);
42 if (*hif)
43 return (*hif)->body;
44 else
45 return NULL;
46 }
47
wfx_rate_mask_to_hw(struct wfx_dev * wdev,u32 rates)48 static u32 wfx_rate_mask_to_hw(struct wfx_dev *wdev, u32 rates)
49 {
50 int i;
51 u32 ret = 0;
52 /* The device only supports 2GHz */
53 struct ieee80211_supported_band *sband = wdev->hw->wiphy->bands[NL80211_BAND_2GHZ];
54
55 for (i = 0; i < sband->n_bitrates; i++) {
56 if (rates & BIT(i)) {
57 if (i >= sband->n_bitrates)
58 dev_warn(wdev->dev, "unsupported basic rate\n");
59 else
60 ret |= BIT(sband->bitrates[i].hw_value);
61 }
62 }
63 return ret;
64 }
65
wfx_cmd_send(struct wfx_dev * wdev,struct wfx_hif_msg * request,void * reply,size_t reply_len,bool no_reply)66 int wfx_cmd_send(struct wfx_dev *wdev, struct wfx_hif_msg *request,
67 void *reply, size_t reply_len, bool no_reply)
68 {
69 const char *mib_name = "";
70 const char *mib_sep = "";
71 int cmd = request->id;
72 int vif = request->interface;
73 int ret;
74
75 /* Do not wait for any reply if chip is frozen */
76 if (wdev->chip_frozen)
77 return -ETIMEDOUT;
78
79 mutex_lock(&wdev->hif_cmd.lock);
80 WARN(wdev->hif_cmd.buf_send, "data locking error");
81
82 /* Note: call to complete() below has an implicit memory barrier that hopefully protect
83 * buf_send
84 */
85 wdev->hif_cmd.buf_send = request;
86 wdev->hif_cmd.buf_recv = reply;
87 wdev->hif_cmd.len_recv = reply_len;
88 complete(&wdev->hif_cmd.ready);
89
90 wfx_bh_request_tx(wdev);
91
92 if (no_reply) {
93 /* Chip won't reply. Ensure the wq has send the buffer before to continue. */
94 flush_workqueue(wdev->bh_wq);
95 ret = 0;
96 goto end;
97 }
98
99 if (wdev->poll_irq)
100 wfx_bh_poll_irq(wdev);
101
102 ret = wait_for_completion_timeout(&wdev->hif_cmd.done, 1 * HZ);
103 if (!ret) {
104 dev_err(wdev->dev, "chip is abnormally long to answer\n");
105 reinit_completion(&wdev->hif_cmd.ready);
106 ret = wait_for_completion_timeout(&wdev->hif_cmd.done, 3 * HZ);
107 }
108 if (!ret) {
109 dev_err(wdev->dev, "chip did not answer\n");
110 wfx_pending_dump_old_frames(wdev, 3000);
111 wdev->chip_frozen = true;
112 reinit_completion(&wdev->hif_cmd.done);
113 ret = -ETIMEDOUT;
114 } else {
115 ret = wdev->hif_cmd.ret;
116 }
117
118 end:
119 wdev->hif_cmd.buf_send = NULL;
120 mutex_unlock(&wdev->hif_cmd.lock);
121
122 if (ret &&
123 (cmd == HIF_REQ_ID_READ_MIB || cmd == HIF_REQ_ID_WRITE_MIB)) {
124 mib_name = wfx_get_mib_name(((u16 *)request)[2]);
125 mib_sep = "/";
126 }
127 if (ret < 0)
128 dev_err(wdev->dev, "hardware request %s%s%s (%#.2x) on vif %d returned error %d\n",
129 wfx_get_hif_name(cmd), mib_sep, mib_name, cmd, vif, ret);
130 if (ret > 0)
131 dev_warn(wdev->dev, "hardware request %s%s%s (%#.2x) on vif %d returned status %d\n",
132 wfx_get_hif_name(cmd), mib_sep, mib_name, cmd, vif, ret);
133
134 return ret;
135 }
136
137 /* This function is special. After HIF_REQ_ID_SHUT_DOWN, chip won't reply to any request anymore.
138 * Obviously, only call this function during device unregister.
139 */
wfx_hif_shutdown(struct wfx_dev * wdev)140 int wfx_hif_shutdown(struct wfx_dev *wdev)
141 {
142 int ret;
143 struct wfx_hif_msg *hif;
144
145 wfx_alloc_hif(0, &hif);
146 if (!hif)
147 return -ENOMEM;
148 wfx_fill_header(hif, -1, HIF_REQ_ID_SHUT_DOWN, 0);
149 ret = wfx_cmd_send(wdev, hif, NULL, 0, true);
150 if (wdev->pdata.gpio_wakeup)
151 gpiod_set_value(wdev->pdata.gpio_wakeup, 0);
152 else
153 wfx_control_reg_write(wdev, 0);
154 kfree(hif);
155 return ret;
156 }
157
wfx_hif_configuration(struct wfx_dev * wdev,const u8 * conf,size_t len)158 int wfx_hif_configuration(struct wfx_dev *wdev, const u8 *conf, size_t len)
159 {
160 int ret;
161 size_t buf_len = sizeof(struct wfx_hif_req_configuration) + len;
162 struct wfx_hif_msg *hif;
163 struct wfx_hif_req_configuration *body = wfx_alloc_hif(buf_len, &hif);
164
165 if (!hif)
166 return -ENOMEM;
167 body->length = cpu_to_le16(len);
168 memcpy(body->pds_data, conf, len);
169 wfx_fill_header(hif, -1, HIF_REQ_ID_CONFIGURATION, buf_len);
170 ret = wfx_cmd_send(wdev, hif, NULL, 0, false);
171 kfree(hif);
172 return ret;
173 }
174
wfx_hif_reset(struct wfx_vif * wvif,bool reset_stat)175 int wfx_hif_reset(struct wfx_vif *wvif, bool reset_stat)
176 {
177 int ret;
178 struct wfx_hif_msg *hif;
179 struct wfx_hif_req_reset *body = wfx_alloc_hif(sizeof(*body), &hif);
180
181 if (!hif)
182 return -ENOMEM;
183 body->reset_stat = reset_stat;
184 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_RESET, sizeof(*body));
185 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
186 kfree(hif);
187 return ret;
188 }
189
wfx_hif_read_mib(struct wfx_dev * wdev,int vif_id,u16 mib_id,void * val,size_t val_len)190 int wfx_hif_read_mib(struct wfx_dev *wdev, int vif_id, u16 mib_id, void *val, size_t val_len)
191 {
192 int ret;
193 struct wfx_hif_msg *hif;
194 int buf_len = sizeof(struct wfx_hif_cnf_read_mib) + val_len;
195 struct wfx_hif_req_read_mib *body = wfx_alloc_hif(sizeof(*body), &hif);
196 struct wfx_hif_cnf_read_mib *reply = kmalloc(buf_len, GFP_KERNEL);
197
198 if (!body || !reply) {
199 ret = -ENOMEM;
200 goto out;
201 }
202 body->mib_id = cpu_to_le16(mib_id);
203 wfx_fill_header(hif, vif_id, HIF_REQ_ID_READ_MIB, sizeof(*body));
204 ret = wfx_cmd_send(wdev, hif, reply, buf_len, false);
205
206 if (!ret && mib_id != le16_to_cpu(reply->mib_id)) {
207 dev_warn(wdev->dev, "%s: confirmation mismatch request\n", __func__);
208 ret = -EIO;
209 }
210 if (ret == -ENOMEM)
211 dev_err(wdev->dev, "buffer is too small to receive %s (%zu < %d)\n",
212 wfx_get_mib_name(mib_id), val_len, le16_to_cpu(reply->length));
213 if (!ret)
214 memcpy(val, &reply->mib_data, le16_to_cpu(reply->length));
215 else
216 memset(val, 0xFF, val_len);
217 out:
218 kfree(hif);
219 kfree(reply);
220 return ret;
221 }
222
wfx_hif_write_mib(struct wfx_dev * wdev,int vif_id,u16 mib_id,void * val,size_t val_len)223 int wfx_hif_write_mib(struct wfx_dev *wdev, int vif_id, u16 mib_id, void *val, size_t val_len)
224 {
225 int ret;
226 struct wfx_hif_msg *hif;
227 int buf_len = sizeof(struct wfx_hif_req_write_mib) + val_len;
228 struct wfx_hif_req_write_mib *body = wfx_alloc_hif(buf_len, &hif);
229
230 if (!hif)
231 return -ENOMEM;
232 body->mib_id = cpu_to_le16(mib_id);
233 body->length = cpu_to_le16(val_len);
234 memcpy(&body->mib_data, val, val_len);
235 wfx_fill_header(hif, vif_id, HIF_REQ_ID_WRITE_MIB, buf_len);
236 ret = wfx_cmd_send(wdev, hif, NULL, 0, false);
237 kfree(hif);
238 return ret;
239 }
240
241 /* Hijack scan request to implement Remain-On-Channel */
wfx_hif_scan_uniq(struct wfx_vif * wvif,struct ieee80211_channel * chan,int duration)242 int wfx_hif_scan_uniq(struct wfx_vif *wvif, struct ieee80211_channel *chan, int duration)
243 {
244 int ret;
245 struct wfx_hif_msg *hif;
246 size_t buf_len = sizeof(struct wfx_hif_req_start_scan_alt) + sizeof(u8);
247 struct wfx_hif_req_start_scan_alt *body = wfx_alloc_hif(buf_len, &hif);
248
249 if (!hif)
250 return -ENOMEM;
251 body->num_of_ssids = HIF_API_MAX_NB_SSIDS;
252 body->maintain_current_bss = 1;
253 body->disallow_ps = 1;
254 body->tx_power_level = cpu_to_le32(chan->max_power);
255 body->num_of_channels = 1;
256 body->channel_list[0] = chan->hw_value;
257 body->max_transmit_rate = API_RATE_INDEX_B_1MBPS;
258 body->min_channel_time = cpu_to_le32(duration);
259 body->max_channel_time = cpu_to_le32(duration * 110 / 100);
260 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_START_SCAN, buf_len);
261 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
262 kfree(hif);
263 return ret;
264 }
265
wfx_hif_scan(struct wfx_vif * wvif,struct cfg80211_scan_request * req,int chan_start_idx,int chan_num)266 int wfx_hif_scan(struct wfx_vif *wvif, struct cfg80211_scan_request *req,
267 int chan_start_idx, int chan_num)
268 {
269 int ret, i;
270 struct wfx_hif_msg *hif;
271 size_t buf_len = sizeof(struct wfx_hif_req_start_scan_alt) + chan_num * sizeof(u8);
272 struct wfx_hif_req_start_scan_alt *body = wfx_alloc_hif(buf_len, &hif);
273
274 WARN(chan_num > HIF_API_MAX_NB_CHANNELS, "invalid params");
275 WARN(req->n_ssids > HIF_API_MAX_NB_SSIDS, "invalid params");
276
277 if (!hif)
278 return -ENOMEM;
279 for (i = 0; i < req->n_ssids; i++) {
280 memcpy(body->ssid_def[i].ssid, req->ssids[i].ssid, IEEE80211_MAX_SSID_LEN);
281 body->ssid_def[i].ssid_length = cpu_to_le32(req->ssids[i].ssid_len);
282 }
283 body->num_of_ssids = HIF_API_MAX_NB_SSIDS;
284 body->maintain_current_bss = 1;
285 body->disallow_ps = 1;
286 body->tx_power_level = cpu_to_le32(req->channels[chan_start_idx]->max_power);
287 body->num_of_channels = chan_num;
288 for (i = 0; i < chan_num; i++)
289 body->channel_list[i] = req->channels[i + chan_start_idx]->hw_value;
290 if (req->no_cck)
291 body->max_transmit_rate = API_RATE_INDEX_G_6MBPS;
292 else
293 body->max_transmit_rate = API_RATE_INDEX_B_1MBPS;
294 if (req->channels[chan_start_idx]->flags & IEEE80211_CHAN_NO_IR) {
295 body->min_channel_time = cpu_to_le32(50);
296 body->max_channel_time = cpu_to_le32(150);
297 } else {
298 body->min_channel_time = cpu_to_le32(10);
299 body->max_channel_time = cpu_to_le32(50);
300 body->num_of_probe_requests = 2;
301 body->probe_delay = 100;
302 }
303
304 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_START_SCAN, buf_len);
305 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
306 kfree(hif);
307 return ret;
308 }
309
wfx_hif_stop_scan(struct wfx_vif * wvif)310 int wfx_hif_stop_scan(struct wfx_vif *wvif)
311 {
312 int ret;
313 struct wfx_hif_msg *hif;
314 /* body associated to HIF_REQ_ID_STOP_SCAN is empty */
315 wfx_alloc_hif(0, &hif);
316
317 if (!hif)
318 return -ENOMEM;
319 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_STOP_SCAN, 0);
320 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
321 kfree(hif);
322 return ret;
323 }
324
wfx_hif_join(struct wfx_vif * wvif,const struct ieee80211_bss_conf * conf,struct ieee80211_channel * channel,const u8 * ssid,int ssid_len)325 int wfx_hif_join(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf,
326 struct ieee80211_channel *channel, const u8 *ssid, int ssid_len)
327 {
328 struct ieee80211_vif *vif = container_of(conf, struct ieee80211_vif,
329 bss_conf);
330 int ret;
331 struct wfx_hif_msg *hif;
332 struct wfx_hif_req_join *body = wfx_alloc_hif(sizeof(*body), &hif);
333
334 WARN_ON(!conf->beacon_int);
335 WARN_ON(!conf->basic_rates);
336 WARN_ON(sizeof(body->ssid) < ssid_len);
337 WARN(!vif->cfg.ibss_joined && !ssid_len, "joining an unknown BSS");
338 if (!hif)
339 return -ENOMEM;
340 body->infrastructure_bss_mode = !vif->cfg.ibss_joined;
341 body->short_preamble = conf->use_short_preamble;
342 body->probe_for_join = !(channel->flags & IEEE80211_CHAN_NO_IR);
343 body->channel_number = channel->hw_value;
344 body->beacon_interval = cpu_to_le32(conf->beacon_int);
345 body->basic_rate_set = cpu_to_le32(wfx_rate_mask_to_hw(wvif->wdev, conf->basic_rates));
346 memcpy(body->bssid, conf->bssid, sizeof(body->bssid));
347 if (ssid) {
348 body->ssid_length = cpu_to_le32(ssid_len);
349 memcpy(body->ssid, ssid, ssid_len);
350 }
351 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_JOIN, sizeof(*body));
352 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
353 kfree(hif);
354 return ret;
355 }
356
wfx_hif_set_bss_params(struct wfx_vif * wvif,int aid,int beacon_lost_count)357 int wfx_hif_set_bss_params(struct wfx_vif *wvif, int aid, int beacon_lost_count)
358 {
359 int ret;
360 struct wfx_hif_msg *hif;
361 struct wfx_hif_req_set_bss_params *body = wfx_alloc_hif(sizeof(*body), &hif);
362
363 if (!hif)
364 return -ENOMEM;
365 body->aid = cpu_to_le16(aid);
366 body->beacon_lost_count = beacon_lost_count;
367 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_SET_BSS_PARAMS, sizeof(*body));
368 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
369 kfree(hif);
370 return ret;
371 }
372
wfx_hif_add_key(struct wfx_dev * wdev,const struct wfx_hif_req_add_key * arg)373 int wfx_hif_add_key(struct wfx_dev *wdev, const struct wfx_hif_req_add_key *arg)
374 {
375 int ret;
376 struct wfx_hif_msg *hif;
377 /* FIXME: only send necessary bits */
378 struct wfx_hif_req_add_key *body = wfx_alloc_hif(sizeof(*body), &hif);
379
380 if (!hif)
381 return -ENOMEM;
382 /* FIXME: swap bytes as necessary in body */
383 memcpy(body, arg, sizeof(*body));
384 if (wfx_api_older_than(wdev, 1, 5))
385 /* Legacy firmwares expect that add_key to be sent on right interface. */
386 wfx_fill_header(hif, arg->int_id, HIF_REQ_ID_ADD_KEY, sizeof(*body));
387 else
388 wfx_fill_header(hif, -1, HIF_REQ_ID_ADD_KEY, sizeof(*body));
389 ret = wfx_cmd_send(wdev, hif, NULL, 0, false);
390 kfree(hif);
391 return ret;
392 }
393
wfx_hif_remove_key(struct wfx_dev * wdev,int idx)394 int wfx_hif_remove_key(struct wfx_dev *wdev, int idx)
395 {
396 int ret;
397 struct wfx_hif_msg *hif;
398 struct wfx_hif_req_remove_key *body = wfx_alloc_hif(sizeof(*body), &hif);
399
400 if (!hif)
401 return -ENOMEM;
402 body->entry_index = idx;
403 wfx_fill_header(hif, -1, HIF_REQ_ID_REMOVE_KEY, sizeof(*body));
404 ret = wfx_cmd_send(wdev, hif, NULL, 0, false);
405 kfree(hif);
406 return ret;
407 }
408
wfx_hif_set_edca_queue_params(struct wfx_vif * wvif,u16 queue,const struct ieee80211_tx_queue_params * arg)409 int wfx_hif_set_edca_queue_params(struct wfx_vif *wvif, u16 queue,
410 const struct ieee80211_tx_queue_params *arg)
411 {
412 int ret;
413 struct wfx_hif_msg *hif;
414 struct wfx_hif_req_edca_queue_params *body = wfx_alloc_hif(sizeof(*body), &hif);
415
416 if (!body)
417 return -ENOMEM;
418
419 WARN_ON(arg->aifs > 255);
420 if (!hif)
421 return -ENOMEM;
422 body->aifsn = arg->aifs;
423 body->cw_min = cpu_to_le16(arg->cw_min);
424 body->cw_max = cpu_to_le16(arg->cw_max);
425 body->tx_op_limit = cpu_to_le16(arg->txop * USEC_PER_TXOP);
426 body->queue_id = 3 - queue;
427 /* API 2.0 has changed queue IDs values */
428 if (wfx_api_older_than(wvif->wdev, 2, 0) && queue == IEEE80211_AC_BE)
429 body->queue_id = HIF_QUEUE_ID_BACKGROUND;
430 if (wfx_api_older_than(wvif->wdev, 2, 0) && queue == IEEE80211_AC_BK)
431 body->queue_id = HIF_QUEUE_ID_BESTEFFORT;
432 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_EDCA_QUEUE_PARAMS, sizeof(*body));
433 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
434 kfree(hif);
435 return ret;
436 }
437
wfx_hif_set_pm(struct wfx_vif * wvif,bool ps,int dynamic_ps_timeout)438 int wfx_hif_set_pm(struct wfx_vif *wvif, bool ps, int dynamic_ps_timeout)
439 {
440 int ret;
441 struct wfx_hif_msg *hif;
442 struct wfx_hif_req_set_pm_mode *body = wfx_alloc_hif(sizeof(*body), &hif);
443
444 if (!body)
445 return -ENOMEM;
446
447 if (!hif)
448 return -ENOMEM;
449 if (ps) {
450 body->enter_psm = 1;
451 /* Firmware does not support more than 128ms */
452 body->fast_psm_idle_period = min(dynamic_ps_timeout * 2, 255);
453 if (body->fast_psm_idle_period)
454 body->fast_psm = 1;
455 }
456 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_SET_PM_MODE, sizeof(*body));
457 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
458 kfree(hif);
459 return ret;
460 }
461
wfx_hif_start(struct wfx_vif * wvif,const struct ieee80211_bss_conf * conf,const struct ieee80211_channel * channel)462 int wfx_hif_start(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf,
463 const struct ieee80211_channel *channel)
464 {
465 struct ieee80211_vif *vif = container_of(conf, struct ieee80211_vif,
466 bss_conf);
467 int ret;
468 struct wfx_hif_msg *hif;
469 struct wfx_hif_req_start *body = wfx_alloc_hif(sizeof(*body), &hif);
470
471 WARN_ON(!conf->beacon_int);
472 if (!hif)
473 return -ENOMEM;
474 body->dtim_period = conf->dtim_period;
475 body->short_preamble = conf->use_short_preamble;
476 body->channel_number = channel->hw_value;
477 body->beacon_interval = cpu_to_le32(conf->beacon_int);
478 body->basic_rate_set = cpu_to_le32(wfx_rate_mask_to_hw(wvif->wdev, conf->basic_rates));
479 body->ssid_length = vif->cfg.ssid_len;
480 memcpy(body->ssid, vif->cfg.ssid, vif->cfg.ssid_len);
481 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_START, sizeof(*body));
482 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
483 kfree(hif);
484 return ret;
485 }
486
wfx_hif_beacon_transmit(struct wfx_vif * wvif,bool enable)487 int wfx_hif_beacon_transmit(struct wfx_vif *wvif, bool enable)
488 {
489 int ret;
490 struct wfx_hif_msg *hif;
491 struct wfx_hif_req_beacon_transmit *body = wfx_alloc_hif(sizeof(*body), &hif);
492
493 if (!hif)
494 return -ENOMEM;
495 body->enable_beaconing = enable ? 1 : 0;
496 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_BEACON_TRANSMIT, sizeof(*body));
497 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
498 kfree(hif);
499 return ret;
500 }
501
wfx_hif_map_link(struct wfx_vif * wvif,bool unmap,u8 * mac_addr,int sta_id,bool mfp)502 int wfx_hif_map_link(struct wfx_vif *wvif, bool unmap, u8 *mac_addr, int sta_id, bool mfp)
503 {
504 int ret;
505 struct wfx_hif_msg *hif;
506 struct wfx_hif_req_map_link *body = wfx_alloc_hif(sizeof(*body), &hif);
507
508 if (!hif)
509 return -ENOMEM;
510 if (mac_addr)
511 ether_addr_copy(body->mac_addr, mac_addr);
512 body->mfpc = mfp ? 1 : 0;
513 body->unmap = unmap ? 1 : 0;
514 body->peer_sta_id = sta_id;
515 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_MAP_LINK, sizeof(*body));
516 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
517 kfree(hif);
518 return ret;
519 }
520
wfx_hif_update_ie_beacon(struct wfx_vif * wvif,const u8 * ies,size_t ies_len)521 int wfx_hif_update_ie_beacon(struct wfx_vif *wvif, const u8 *ies, size_t ies_len)
522 {
523 int ret;
524 struct wfx_hif_msg *hif;
525 int buf_len = sizeof(struct wfx_hif_req_update_ie) + ies_len;
526 struct wfx_hif_req_update_ie *body = wfx_alloc_hif(buf_len, &hif);
527
528 if (!hif)
529 return -ENOMEM;
530 body->beacon = 1;
531 body->num_ies = cpu_to_le16(1);
532 memcpy(body->ie, ies, ies_len);
533 wfx_fill_header(hif, wvif->id, HIF_REQ_ID_UPDATE_IE, buf_len);
534 ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
535 kfree(hif);
536 return ret;
537 }
538