1 /*
2  * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18 
19 #include <linux/etherdevice.h>
20 #include <linux/firmware.h>
21 #include <linux/bitops.h>
22 #include "smd.h"
23 
24 struct wcn36xx_cfg_val {
25 	u32 cfg_id;
26 	u32 value;
27 };
28 
29 #define WCN36XX_CFG_VAL(id, val) \
30 { \
31 	.cfg_id = WCN36XX_HAL_CFG_ ## id, \
32 	.value = val \
33 }
34 
35 static struct wcn36xx_cfg_val wcn36xx_cfg_vals[] = {
36 	WCN36XX_CFG_VAL(CURRENT_TX_ANTENNA, 1),
37 	WCN36XX_CFG_VAL(CURRENT_RX_ANTENNA, 1),
38 	WCN36XX_CFG_VAL(LOW_GAIN_OVERRIDE, 0),
39 	WCN36XX_CFG_VAL(POWER_STATE_PER_CHAIN, 785),
40 	WCN36XX_CFG_VAL(CAL_PERIOD, 5),
41 	WCN36XX_CFG_VAL(CAL_CONTROL, 1),
42 	WCN36XX_CFG_VAL(PROXIMITY, 0),
43 	WCN36XX_CFG_VAL(NETWORK_DENSITY, 3),
44 	WCN36XX_CFG_VAL(MAX_MEDIUM_TIME, 6000),
45 	WCN36XX_CFG_VAL(MAX_MPDUS_IN_AMPDU, 64),
46 	WCN36XX_CFG_VAL(RTS_THRESHOLD, 2347),
47 	WCN36XX_CFG_VAL(SHORT_RETRY_LIMIT, 6),
48 	WCN36XX_CFG_VAL(LONG_RETRY_LIMIT, 6),
49 	WCN36XX_CFG_VAL(FRAGMENTATION_THRESHOLD, 8000),
50 	WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ZERO, 5),
51 	WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ONE, 10),
52 	WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_TWO, 15),
53 	WCN36XX_CFG_VAL(FIXED_RATE, 0),
54 	WCN36XX_CFG_VAL(RETRYRATE_POLICY, 4),
55 	WCN36XX_CFG_VAL(RETRYRATE_SECONDARY, 0),
56 	WCN36XX_CFG_VAL(RETRYRATE_TERTIARY, 0),
57 	WCN36XX_CFG_VAL(FORCE_POLICY_PROTECTION, 5),
58 	WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_24GHZ, 1),
59 	WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_5GHZ, 5),
60 	WCN36XX_CFG_VAL(DEFAULT_RATE_INDEX_5GHZ, 5),
61 	WCN36XX_CFG_VAL(MAX_BA_SESSIONS, 40),
62 	WCN36XX_CFG_VAL(PS_DATA_INACTIVITY_TIMEOUT, 200),
63 	WCN36XX_CFG_VAL(PS_ENABLE_BCN_FILTER, 1),
64 	WCN36XX_CFG_VAL(PS_ENABLE_RSSI_MONITOR, 1),
65 	WCN36XX_CFG_VAL(NUM_BEACON_PER_RSSI_AVERAGE, 20),
66 	WCN36XX_CFG_VAL(STATS_PERIOD, 10),
67 	WCN36XX_CFG_VAL(CFP_MAX_DURATION, 30000),
68 	WCN36XX_CFG_VAL(FRAME_TRANS_ENABLED, 0),
69 	WCN36XX_CFG_VAL(BA_THRESHOLD_HIGH, 128),
70 	WCN36XX_CFG_VAL(MAX_BA_BUFFERS, 2560),
71 	WCN36XX_CFG_VAL(DYNAMIC_PS_POLL_VALUE, 0),
72 	WCN36XX_CFG_VAL(TX_PWR_CTRL_ENABLE, 1),
73 	WCN36XX_CFG_VAL(ENABLE_CLOSE_LOOP, 1),
74 	WCN36XX_CFG_VAL(ENABLE_LPWR_IMG_TRANSITION, 0),
75 	WCN36XX_CFG_VAL(MAX_ASSOC_LIMIT, 10),
76 	WCN36XX_CFG_VAL(ENABLE_MCC_ADAPTIVE_SCHEDULER, 0),
77 };
78 
79 static int put_cfg_tlv_u32(struct wcn36xx *wcn, size_t *len, u32 id, u32 value)
80 {
81 	struct wcn36xx_hal_cfg *entry;
82 	u32 *val;
83 
84 	if (*len + sizeof(*entry) + sizeof(u32) >= WCN36XX_HAL_BUF_SIZE) {
85 		wcn36xx_err("Not enough room for TLV entry\n");
86 		return -ENOMEM;
87 	}
88 
89 	entry = (struct wcn36xx_hal_cfg *) (wcn->hal_buf + *len);
90 	entry->id = id;
91 	entry->len = sizeof(u32);
92 	entry->pad_bytes = 0;
93 	entry->reserve = 0;
94 
95 	val = (u32 *) (entry + 1);
96 	*val = value;
97 
98 	*len += sizeof(*entry) + sizeof(u32);
99 
100 	return 0;
101 }
102 
103 static void wcn36xx_smd_set_bss_nw_type(struct wcn36xx *wcn,
104 		struct ieee80211_sta *sta,
105 		struct wcn36xx_hal_config_bss_params *bss_params)
106 {
107 	if (NL80211_BAND_5GHZ == WCN36XX_BAND(wcn))
108 		bss_params->nw_type = WCN36XX_HAL_11A_NW_TYPE;
109 	else if (sta && sta->ht_cap.ht_supported)
110 		bss_params->nw_type = WCN36XX_HAL_11N_NW_TYPE;
111 	else if (sta && (sta->supp_rates[NL80211_BAND_2GHZ] & 0x7f))
112 		bss_params->nw_type = WCN36XX_HAL_11G_NW_TYPE;
113 	else
114 		bss_params->nw_type = WCN36XX_HAL_11B_NW_TYPE;
115 }
116 
117 static inline u8 is_cap_supported(unsigned long caps, unsigned long flag)
118 {
119 	return caps & flag ? 1 : 0;
120 }
121 static void wcn36xx_smd_set_bss_ht_params(struct ieee80211_vif *vif,
122 		struct ieee80211_sta *sta,
123 		struct wcn36xx_hal_config_bss_params *bss_params)
124 {
125 	if (sta && sta->ht_cap.ht_supported) {
126 		unsigned long caps = sta->ht_cap.cap;
127 		bss_params->ht = sta->ht_cap.ht_supported;
128 		bss_params->tx_channel_width_set = is_cap_supported(caps,
129 			IEEE80211_HT_CAP_SUP_WIDTH_20_40);
130 		bss_params->lsig_tx_op_protection_full_support =
131 			is_cap_supported(caps,
132 					 IEEE80211_HT_CAP_LSIG_TXOP_PROT);
133 
134 		bss_params->ht_oper_mode = vif->bss_conf.ht_operation_mode;
135 		bss_params->lln_non_gf_coexist =
136 			!!(vif->bss_conf.ht_operation_mode &
137 			   IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
138 		/* IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT */
139 		bss_params->dual_cts_protection = 0;
140 		/* IEEE80211_HT_OP_MODE_PROTECTION_20MHZ */
141 		bss_params->ht20_coexist = 0;
142 	}
143 }
144 
145 static void wcn36xx_smd_set_sta_ht_params(struct ieee80211_sta *sta,
146 		struct wcn36xx_hal_config_sta_params *sta_params)
147 {
148 	if (sta->ht_cap.ht_supported) {
149 		unsigned long caps = sta->ht_cap.cap;
150 		sta_params->ht_capable = sta->ht_cap.ht_supported;
151 		sta_params->tx_channel_width_set = is_cap_supported(caps,
152 			IEEE80211_HT_CAP_SUP_WIDTH_20_40);
153 		sta_params->lsig_txop_protection = is_cap_supported(caps,
154 			IEEE80211_HT_CAP_LSIG_TXOP_PROT);
155 
156 		sta_params->max_ampdu_size = sta->ht_cap.ampdu_factor;
157 		sta_params->max_ampdu_density = sta->ht_cap.ampdu_density;
158 		sta_params->max_amsdu_size = is_cap_supported(caps,
159 			IEEE80211_HT_CAP_MAX_AMSDU);
160 		sta_params->sgi_20Mhz = is_cap_supported(caps,
161 			IEEE80211_HT_CAP_SGI_20);
162 		sta_params->sgi_40mhz =	is_cap_supported(caps,
163 			IEEE80211_HT_CAP_SGI_40);
164 		sta_params->green_field_capable = is_cap_supported(caps,
165 			IEEE80211_HT_CAP_GRN_FLD);
166 		sta_params->delayed_ba_support = is_cap_supported(caps,
167 			IEEE80211_HT_CAP_DELAY_BA);
168 		sta_params->dsss_cck_mode_40mhz = is_cap_supported(caps,
169 			IEEE80211_HT_CAP_DSSSCCK40);
170 	}
171 }
172 
173 static void wcn36xx_smd_set_sta_default_ht_params(
174 		struct wcn36xx_hal_config_sta_params *sta_params)
175 {
176 	sta_params->ht_capable = 1;
177 	sta_params->tx_channel_width_set = 1;
178 	sta_params->lsig_txop_protection = 1;
179 	sta_params->max_ampdu_size = 3;
180 	sta_params->max_ampdu_density = 5;
181 	sta_params->max_amsdu_size = 0;
182 	sta_params->sgi_20Mhz = 1;
183 	sta_params->sgi_40mhz = 1;
184 	sta_params->green_field_capable = 1;
185 	sta_params->delayed_ba_support = 0;
186 	sta_params->dsss_cck_mode_40mhz = 1;
187 }
188 
189 static void wcn36xx_smd_set_sta_params(struct wcn36xx *wcn,
190 		struct ieee80211_vif *vif,
191 		struct ieee80211_sta *sta,
192 		struct wcn36xx_hal_config_sta_params *sta_params)
193 {
194 	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
195 	struct wcn36xx_sta *sta_priv = NULL;
196 	if (vif->type == NL80211_IFTYPE_ADHOC ||
197 	    vif->type == NL80211_IFTYPE_AP ||
198 	    vif->type == NL80211_IFTYPE_MESH_POINT) {
199 		sta_params->type = 1;
200 		sta_params->sta_index = WCN36XX_HAL_STA_INVALID_IDX;
201 	} else {
202 		sta_params->type = 0;
203 		sta_params->sta_index = vif_priv->self_sta_index;
204 	}
205 
206 	sta_params->listen_interval = WCN36XX_LISTEN_INTERVAL(wcn);
207 
208 	/*
209 	 * In STA mode ieee80211_sta contains bssid and ieee80211_vif
210 	 * contains our mac address. In  AP mode we are bssid so vif
211 	 * contains bssid and ieee80211_sta contains mac.
212 	 */
213 	if (NL80211_IFTYPE_STATION == vif->type)
214 		memcpy(&sta_params->mac, vif->addr, ETH_ALEN);
215 	else
216 		memcpy(&sta_params->bssid, vif->addr, ETH_ALEN);
217 
218 	sta_params->encrypt_type = vif_priv->encrypt_type;
219 	sta_params->short_preamble_supported = true;
220 
221 	sta_params->rifs_mode = 0;
222 	sta_params->rmf = 0;
223 	sta_params->action = 0;
224 	sta_params->uapsd = 0;
225 	sta_params->mimo_ps = WCN36XX_HAL_HT_MIMO_PS_STATIC;
226 	sta_params->max_ampdu_duration = 0;
227 	sta_params->bssid_index = vif_priv->bss_index;
228 	sta_params->p2p = 0;
229 
230 	if (sta) {
231 		sta_priv = wcn36xx_sta_to_priv(sta);
232 		if (NL80211_IFTYPE_STATION == vif->type)
233 			memcpy(&sta_params->bssid, sta->addr, ETH_ALEN);
234 		else
235 			memcpy(&sta_params->mac, sta->addr, ETH_ALEN);
236 		sta_params->wmm_enabled = sta->wme;
237 		sta_params->max_sp_len = sta->max_sp;
238 		sta_params->aid = sta_priv->aid;
239 		wcn36xx_smd_set_sta_ht_params(sta, sta_params);
240 		memcpy(&sta_params->supported_rates, &sta_priv->supported_rates,
241 			sizeof(sta_priv->supported_rates));
242 	} else {
243 		wcn36xx_set_default_rates(&sta_params->supported_rates);
244 		wcn36xx_smd_set_sta_default_ht_params(sta_params);
245 	}
246 }
247 
248 static int wcn36xx_smd_send_and_wait(struct wcn36xx *wcn, size_t len)
249 {
250 	int ret = 0;
251 	unsigned long start;
252 	wcn36xx_dbg_dump(WCN36XX_DBG_SMD_DUMP, "HAL >>> ", wcn->hal_buf, len);
253 
254 	init_completion(&wcn->hal_rsp_compl);
255 	start = jiffies;
256 	ret = wcn->ctrl_ops->tx(wcn->hal_buf, len);
257 	if (ret) {
258 		wcn36xx_err("HAL TX failed\n");
259 		goto out;
260 	}
261 	if (wait_for_completion_timeout(&wcn->hal_rsp_compl,
262 		msecs_to_jiffies(HAL_MSG_TIMEOUT)) <= 0) {
263 		wcn36xx_err("Timeout! No SMD response in %dms\n",
264 			    HAL_MSG_TIMEOUT);
265 		ret = -ETIME;
266 		goto out;
267 	}
268 	wcn36xx_dbg(WCN36XX_DBG_SMD, "SMD command completed in %dms",
269 		    jiffies_to_msecs(jiffies - start));
270 out:
271 	return ret;
272 }
273 
274 static void init_hal_msg(struct wcn36xx_hal_msg_header *hdr,
275 			 enum wcn36xx_hal_host_msg_type msg_type,
276 			 size_t msg_size)
277 {
278 	memset(hdr, 0, msg_size + sizeof(*hdr));
279 	hdr->msg_type = msg_type;
280 	hdr->msg_version = WCN36XX_HAL_MSG_VERSION0;
281 	hdr->len = msg_size + sizeof(*hdr);
282 }
283 
284 #define INIT_HAL_MSG(msg_body, type) \
285 	do {								\
286 		memset(&msg_body, 0, sizeof(msg_body));			\
287 		msg_body.header.msg_type = type;			\
288 		msg_body.header.msg_version = WCN36XX_HAL_MSG_VERSION0; \
289 		msg_body.header.len = sizeof(msg_body);			\
290 	} while (0)							\
291 
292 #define PREPARE_HAL_BUF(send_buf, msg_body) \
293 	do {							\
294 		memset(send_buf, 0, msg_body.header.len);	\
295 		memcpy(send_buf, &msg_body, sizeof(msg_body));	\
296 	} while (0)						\
297 
298 static int wcn36xx_smd_rsp_status_check(void *buf, size_t len)
299 {
300 	struct wcn36xx_fw_msg_status_rsp *rsp;
301 
302 	if (len < sizeof(struct wcn36xx_hal_msg_header) +
303 	    sizeof(struct wcn36xx_fw_msg_status_rsp))
304 		return -EIO;
305 
306 	rsp = (struct wcn36xx_fw_msg_status_rsp *)
307 		(buf + sizeof(struct wcn36xx_hal_msg_header));
308 
309 	if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status)
310 		return rsp->status;
311 
312 	return 0;
313 }
314 
315 int wcn36xx_smd_load_nv(struct wcn36xx *wcn)
316 {
317 	struct nv_data *nv_d;
318 	struct wcn36xx_hal_nv_img_download_req_msg msg_body;
319 	int fw_bytes_left;
320 	int ret;
321 	u16 fm_offset = 0;
322 
323 	if (!wcn->nv) {
324 		ret = request_firmware(&wcn->nv, WLAN_NV_FILE, wcn->dev);
325 		if (ret) {
326 			wcn36xx_err("Failed to load nv file %s: %d\n",
327 				      WLAN_NV_FILE, ret);
328 			goto out;
329 		}
330 	}
331 
332 	nv_d = (struct nv_data *)wcn->nv->data;
333 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_DOWNLOAD_NV_REQ);
334 
335 	msg_body.header.len += WCN36XX_NV_FRAGMENT_SIZE;
336 
337 	msg_body.frag_number = 0;
338 	/* hal_buf must be protected with  mutex */
339 	mutex_lock(&wcn->hal_mutex);
340 
341 	do {
342 		fw_bytes_left = wcn->nv->size - fm_offset - 4;
343 		if (fw_bytes_left > WCN36XX_NV_FRAGMENT_SIZE) {
344 			msg_body.last_fragment = 0;
345 			msg_body.nv_img_buffer_size = WCN36XX_NV_FRAGMENT_SIZE;
346 		} else {
347 			msg_body.last_fragment = 1;
348 			msg_body.nv_img_buffer_size = fw_bytes_left;
349 
350 			/* Do not forget update general message len */
351 			msg_body.header.len = sizeof(msg_body) + fw_bytes_left;
352 
353 		}
354 
355 		/* Add load NV request message header */
356 		memcpy(wcn->hal_buf, &msg_body,	sizeof(msg_body));
357 
358 		/* Add NV body itself */
359 		memcpy(wcn->hal_buf + sizeof(msg_body),
360 		       &nv_d->table + fm_offset,
361 		       msg_body.nv_img_buffer_size);
362 
363 		ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
364 		if (ret)
365 			goto out_unlock;
366 		ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf,
367 						   wcn->hal_rsp_len);
368 		if (ret) {
369 			wcn36xx_err("hal_load_nv response failed err=%d\n",
370 				    ret);
371 			goto out_unlock;
372 		}
373 		msg_body.frag_number++;
374 		fm_offset += WCN36XX_NV_FRAGMENT_SIZE;
375 
376 	} while (msg_body.last_fragment != 1);
377 
378 out_unlock:
379 	mutex_unlock(&wcn->hal_mutex);
380 out:	return ret;
381 }
382 
383 static int wcn36xx_smd_start_rsp(struct wcn36xx *wcn, void *buf, size_t len)
384 {
385 	struct wcn36xx_hal_mac_start_rsp_msg *rsp;
386 
387 	if (len < sizeof(*rsp))
388 		return -EIO;
389 
390 	rsp = (struct wcn36xx_hal_mac_start_rsp_msg *)buf;
391 
392 	if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->start_rsp_params.status)
393 		return -EIO;
394 
395 	memcpy(wcn->crm_version, rsp->start_rsp_params.crm_version,
396 	       WCN36XX_HAL_VERSION_LENGTH);
397 	memcpy(wcn->wlan_version, rsp->start_rsp_params.wlan_version,
398 	       WCN36XX_HAL_VERSION_LENGTH);
399 
400 	/* null terminate the strings, just in case */
401 	wcn->crm_version[WCN36XX_HAL_VERSION_LENGTH] = '\0';
402 	wcn->wlan_version[WCN36XX_HAL_VERSION_LENGTH] = '\0';
403 
404 	wcn->fw_revision = rsp->start_rsp_params.version.revision;
405 	wcn->fw_version = rsp->start_rsp_params.version.version;
406 	wcn->fw_minor = rsp->start_rsp_params.version.minor;
407 	wcn->fw_major = rsp->start_rsp_params.version.major;
408 
409 	wcn36xx_info("firmware WLAN version '%s' and CRM version '%s'\n",
410 		     wcn->wlan_version, wcn->crm_version);
411 
412 	wcn36xx_info("firmware API %u.%u.%u.%u, %u stations, %u bssids\n",
413 		     wcn->fw_major, wcn->fw_minor,
414 		     wcn->fw_version, wcn->fw_revision,
415 		     rsp->start_rsp_params.stations,
416 		     rsp->start_rsp_params.bssids);
417 
418 	return 0;
419 }
420 
421 int wcn36xx_smd_start(struct wcn36xx *wcn)
422 {
423 	struct wcn36xx_hal_mac_start_req_msg msg_body, *body;
424 	int ret = 0;
425 	int i;
426 	size_t len;
427 
428 	mutex_lock(&wcn->hal_mutex);
429 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_REQ);
430 
431 	msg_body.params.type = DRIVER_TYPE_PRODUCTION;
432 	msg_body.params.len = 0;
433 
434 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
435 
436 	body = (struct wcn36xx_hal_mac_start_req_msg *)wcn->hal_buf;
437 	len = body->header.len;
438 
439 	for (i = 0; i < ARRAY_SIZE(wcn36xx_cfg_vals); i++) {
440 		ret = put_cfg_tlv_u32(wcn, &len, wcn36xx_cfg_vals[i].cfg_id,
441 				      wcn36xx_cfg_vals[i].value);
442 		if (ret)
443 			goto out;
444 	}
445 	body->header.len = len;
446 	body->params.len = len - sizeof(*body);
447 
448 	wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start type %d\n",
449 		    msg_body.params.type);
450 
451 	ret = wcn36xx_smd_send_and_wait(wcn, body->header.len);
452 	if (ret) {
453 		wcn36xx_err("Sending hal_start failed\n");
454 		goto out;
455 	}
456 
457 	ret = wcn36xx_smd_start_rsp(wcn, wcn->hal_buf, wcn->hal_rsp_len);
458 	if (ret) {
459 		wcn36xx_err("hal_start response failed err=%d\n", ret);
460 		goto out;
461 	}
462 
463 out:
464 	mutex_unlock(&wcn->hal_mutex);
465 	return ret;
466 }
467 
468 int wcn36xx_smd_stop(struct wcn36xx *wcn)
469 {
470 	struct wcn36xx_hal_mac_stop_req_msg msg_body;
471 	int ret = 0;
472 
473 	mutex_lock(&wcn->hal_mutex);
474 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_STOP_REQ);
475 
476 	msg_body.stop_req_params.reason = HAL_STOP_TYPE_RF_KILL;
477 
478 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
479 
480 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
481 	if (ret) {
482 		wcn36xx_err("Sending hal_stop failed\n");
483 		goto out;
484 	}
485 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
486 	if (ret) {
487 		wcn36xx_err("hal_stop response failed err=%d\n", ret);
488 		goto out;
489 	}
490 out:
491 	mutex_unlock(&wcn->hal_mutex);
492 	return ret;
493 }
494 
495 int wcn36xx_smd_init_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode)
496 {
497 	struct wcn36xx_hal_init_scan_req_msg msg_body;
498 	int ret = 0;
499 
500 	mutex_lock(&wcn->hal_mutex);
501 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_INIT_SCAN_REQ);
502 
503 	msg_body.mode = mode;
504 
505 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
506 
507 	wcn36xx_dbg(WCN36XX_DBG_HAL, "hal init scan mode %d\n", msg_body.mode);
508 
509 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
510 	if (ret) {
511 		wcn36xx_err("Sending hal_init_scan failed\n");
512 		goto out;
513 	}
514 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
515 	if (ret) {
516 		wcn36xx_err("hal_init_scan response failed err=%d\n", ret);
517 		goto out;
518 	}
519 out:
520 	mutex_unlock(&wcn->hal_mutex);
521 	return ret;
522 }
523 
524 int wcn36xx_smd_start_scan(struct wcn36xx *wcn)
525 {
526 	struct wcn36xx_hal_start_scan_req_msg msg_body;
527 	int ret = 0;
528 
529 	mutex_lock(&wcn->hal_mutex);
530 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_REQ);
531 
532 	msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn);
533 
534 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
535 
536 	wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start scan channel %d\n",
537 		    msg_body.scan_channel);
538 
539 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
540 	if (ret) {
541 		wcn36xx_err("Sending hal_start_scan failed\n");
542 		goto out;
543 	}
544 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
545 	if (ret) {
546 		wcn36xx_err("hal_start_scan response failed err=%d\n", ret);
547 		goto out;
548 	}
549 out:
550 	mutex_unlock(&wcn->hal_mutex);
551 	return ret;
552 }
553 
554 int wcn36xx_smd_end_scan(struct wcn36xx *wcn)
555 {
556 	struct wcn36xx_hal_end_scan_req_msg msg_body;
557 	int ret = 0;
558 
559 	mutex_lock(&wcn->hal_mutex);
560 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_END_SCAN_REQ);
561 
562 	msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn);
563 
564 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
565 
566 	wcn36xx_dbg(WCN36XX_DBG_HAL, "hal end scan channel %d\n",
567 		    msg_body.scan_channel);
568 
569 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
570 	if (ret) {
571 		wcn36xx_err("Sending hal_end_scan failed\n");
572 		goto out;
573 	}
574 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
575 	if (ret) {
576 		wcn36xx_err("hal_end_scan response failed err=%d\n", ret);
577 		goto out;
578 	}
579 out:
580 	mutex_unlock(&wcn->hal_mutex);
581 	return ret;
582 }
583 
584 int wcn36xx_smd_finish_scan(struct wcn36xx *wcn,
585 			    enum wcn36xx_hal_sys_mode mode)
586 {
587 	struct wcn36xx_hal_finish_scan_req_msg msg_body;
588 	int ret = 0;
589 
590 	mutex_lock(&wcn->hal_mutex);
591 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_FINISH_SCAN_REQ);
592 
593 	msg_body.mode = mode;
594 
595 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
596 
597 	wcn36xx_dbg(WCN36XX_DBG_HAL, "hal finish scan mode %d\n",
598 		    msg_body.mode);
599 
600 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
601 	if (ret) {
602 		wcn36xx_err("Sending hal_finish_scan failed\n");
603 		goto out;
604 	}
605 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
606 	if (ret) {
607 		wcn36xx_err("hal_finish_scan response failed err=%d\n", ret);
608 		goto out;
609 	}
610 out:
611 	mutex_unlock(&wcn->hal_mutex);
612 	return ret;
613 }
614 
615 static int wcn36xx_smd_switch_channel_rsp(void *buf, size_t len)
616 {
617 	struct wcn36xx_hal_switch_channel_rsp_msg *rsp;
618 	int ret = 0;
619 
620 	ret = wcn36xx_smd_rsp_status_check(buf, len);
621 	if (ret)
622 		return ret;
623 	rsp = (struct wcn36xx_hal_switch_channel_rsp_msg *)buf;
624 	wcn36xx_dbg(WCN36XX_DBG_HAL, "channel switched to: %d, status: %d\n",
625 		    rsp->channel_number, rsp->status);
626 	return ret;
627 }
628 
629 int wcn36xx_smd_switch_channel(struct wcn36xx *wcn,
630 			       struct ieee80211_vif *vif, int ch)
631 {
632 	struct wcn36xx_hal_switch_channel_req_msg msg_body;
633 	int ret = 0;
634 
635 	mutex_lock(&wcn->hal_mutex);
636 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_CH_SWITCH_REQ);
637 
638 	msg_body.channel_number = (u8)ch;
639 	msg_body.tx_mgmt_power = 0xbf;
640 	msg_body.max_tx_power = 0xbf;
641 	memcpy(msg_body.self_sta_mac_addr, vif->addr, ETH_ALEN);
642 
643 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
644 
645 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
646 	if (ret) {
647 		wcn36xx_err("Sending hal_switch_channel failed\n");
648 		goto out;
649 	}
650 	ret = wcn36xx_smd_switch_channel_rsp(wcn->hal_buf, wcn->hal_rsp_len);
651 	if (ret) {
652 		wcn36xx_err("hal_switch_channel response failed err=%d\n", ret);
653 		goto out;
654 	}
655 out:
656 	mutex_unlock(&wcn->hal_mutex);
657 	return ret;
658 }
659 
660 static int wcn36xx_smd_update_scan_params_rsp(void *buf, size_t len)
661 {
662 	struct wcn36xx_hal_update_scan_params_resp *rsp;
663 
664 	rsp = (struct wcn36xx_hal_update_scan_params_resp *)buf;
665 
666 	/* Remove the PNO version bit */
667 	rsp->status &= (~(WCN36XX_FW_MSG_PNO_VERSION_MASK));
668 
669 	if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status) {
670 		wcn36xx_warn("error response from update scan\n");
671 		return rsp->status;
672 	}
673 
674 	return 0;
675 }
676 
677 int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn)
678 {
679 	struct wcn36xx_hal_update_scan_params_req msg_body;
680 	int ret = 0;
681 
682 	mutex_lock(&wcn->hal_mutex);
683 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_SCAN_PARAM_REQ);
684 
685 	msg_body.dot11d_enabled	= 0;
686 	msg_body.dot11d_resolved = 0;
687 	msg_body.channel_count = 26;
688 	msg_body.active_min_ch_time = 60;
689 	msg_body.active_max_ch_time = 120;
690 	msg_body.passive_min_ch_time = 60;
691 	msg_body.passive_max_ch_time = 110;
692 	msg_body.state = 0;
693 
694 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
695 
696 	wcn36xx_dbg(WCN36XX_DBG_HAL,
697 		    "hal update scan params channel_count %d\n",
698 		    msg_body.channel_count);
699 
700 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
701 	if (ret) {
702 		wcn36xx_err("Sending hal_update_scan_params failed\n");
703 		goto out;
704 	}
705 	ret = wcn36xx_smd_update_scan_params_rsp(wcn->hal_buf,
706 						 wcn->hal_rsp_len);
707 	if (ret) {
708 		wcn36xx_err("hal_update_scan_params response failed err=%d\n",
709 			    ret);
710 		goto out;
711 	}
712 out:
713 	mutex_unlock(&wcn->hal_mutex);
714 	return ret;
715 }
716 
717 static int wcn36xx_smd_add_sta_self_rsp(struct wcn36xx *wcn,
718 					struct ieee80211_vif *vif,
719 					void *buf,
720 					size_t len)
721 {
722 	struct wcn36xx_hal_add_sta_self_rsp_msg *rsp;
723 	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
724 
725 	if (len < sizeof(*rsp))
726 		return -EINVAL;
727 
728 	rsp = (struct wcn36xx_hal_add_sta_self_rsp_msg *)buf;
729 
730 	if (rsp->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
731 		wcn36xx_warn("hal add sta self failure: %d\n",
732 			     rsp->status);
733 		return rsp->status;
734 	}
735 
736 	wcn36xx_dbg(WCN36XX_DBG_HAL,
737 		    "hal add sta self status %d self_sta_index %d dpu_index %d\n",
738 		    rsp->status, rsp->self_sta_index, rsp->dpu_index);
739 
740 	vif_priv->self_sta_index = rsp->self_sta_index;
741 	vif_priv->self_dpu_desc_index = rsp->dpu_index;
742 
743 	return 0;
744 }
745 
746 int wcn36xx_smd_add_sta_self(struct wcn36xx *wcn, struct ieee80211_vif *vif)
747 {
748 	struct wcn36xx_hal_add_sta_self_req msg_body;
749 	int ret = 0;
750 
751 	mutex_lock(&wcn->hal_mutex);
752 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_STA_SELF_REQ);
753 
754 	memcpy(&msg_body.self_addr, vif->addr, ETH_ALEN);
755 
756 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
757 
758 	wcn36xx_dbg(WCN36XX_DBG_HAL,
759 		    "hal add sta self self_addr %pM status %d\n",
760 		    msg_body.self_addr, msg_body.status);
761 
762 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
763 	if (ret) {
764 		wcn36xx_err("Sending hal_add_sta_self failed\n");
765 		goto out;
766 	}
767 	ret = wcn36xx_smd_add_sta_self_rsp(wcn,
768 					   vif,
769 					   wcn->hal_buf,
770 					   wcn->hal_rsp_len);
771 	if (ret) {
772 		wcn36xx_err("hal_add_sta_self response failed err=%d\n", ret);
773 		goto out;
774 	}
775 out:
776 	mutex_unlock(&wcn->hal_mutex);
777 	return ret;
778 }
779 
780 int wcn36xx_smd_delete_sta_self(struct wcn36xx *wcn, u8 *addr)
781 {
782 	struct wcn36xx_hal_del_sta_self_req_msg msg_body;
783 	int ret = 0;
784 
785 	mutex_lock(&wcn->hal_mutex);
786 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_STA_SELF_REQ);
787 
788 	memcpy(&msg_body.self_addr, addr, ETH_ALEN);
789 
790 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
791 
792 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
793 	if (ret) {
794 		wcn36xx_err("Sending hal_delete_sta_self failed\n");
795 		goto out;
796 	}
797 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
798 	if (ret) {
799 		wcn36xx_err("hal_delete_sta_self response failed err=%d\n",
800 			    ret);
801 		goto out;
802 	}
803 out:
804 	mutex_unlock(&wcn->hal_mutex);
805 	return ret;
806 }
807 
808 int wcn36xx_smd_delete_sta(struct wcn36xx *wcn, u8 sta_index)
809 {
810 	struct wcn36xx_hal_delete_sta_req_msg msg_body;
811 	int ret = 0;
812 
813 	mutex_lock(&wcn->hal_mutex);
814 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_STA_REQ);
815 
816 	msg_body.sta_index = sta_index;
817 
818 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
819 
820 	wcn36xx_dbg(WCN36XX_DBG_HAL,
821 		    "hal delete sta sta_index %d\n",
822 		    msg_body.sta_index);
823 
824 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
825 	if (ret) {
826 		wcn36xx_err("Sending hal_delete_sta failed\n");
827 		goto out;
828 	}
829 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
830 	if (ret) {
831 		wcn36xx_err("hal_delete_sta response failed err=%d\n", ret);
832 		goto out;
833 	}
834 out:
835 	mutex_unlock(&wcn->hal_mutex);
836 	return ret;
837 }
838 
839 static int wcn36xx_smd_join_rsp(void *buf, size_t len)
840 {
841 	struct wcn36xx_hal_join_rsp_msg *rsp;
842 
843 	if (wcn36xx_smd_rsp_status_check(buf, len))
844 		return -EIO;
845 
846 	rsp = (struct wcn36xx_hal_join_rsp_msg *)buf;
847 
848 	wcn36xx_dbg(WCN36XX_DBG_HAL,
849 		    "hal rsp join status %d tx_mgmt_power %d\n",
850 		    rsp->status, rsp->tx_mgmt_power);
851 
852 	return 0;
853 }
854 
855 int wcn36xx_smd_join(struct wcn36xx *wcn, const u8 *bssid, u8 *vif, u8 ch)
856 {
857 	struct wcn36xx_hal_join_req_msg msg_body;
858 	int ret = 0;
859 
860 	mutex_lock(&wcn->hal_mutex);
861 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_JOIN_REQ);
862 
863 	memcpy(&msg_body.bssid, bssid, ETH_ALEN);
864 	memcpy(&msg_body.self_sta_mac_addr, vif, ETH_ALEN);
865 	msg_body.channel = ch;
866 
867 	if (conf_is_ht40_minus(&wcn->hw->conf))
868 		msg_body.secondary_channel_offset =
869 			PHY_DOUBLE_CHANNEL_HIGH_PRIMARY;
870 	else if (conf_is_ht40_plus(&wcn->hw->conf))
871 		msg_body.secondary_channel_offset =
872 			PHY_DOUBLE_CHANNEL_LOW_PRIMARY;
873 	else
874 		msg_body.secondary_channel_offset =
875 			PHY_SINGLE_CHANNEL_CENTERED;
876 
877 	msg_body.link_state = WCN36XX_HAL_LINK_PREASSOC_STATE;
878 
879 	msg_body.max_tx_power = 0xbf;
880 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
881 
882 	wcn36xx_dbg(WCN36XX_DBG_HAL,
883 		    "hal join req bssid %pM self_sta_mac_addr %pM channel %d link_state %d\n",
884 		    msg_body.bssid, msg_body.self_sta_mac_addr,
885 		    msg_body.channel, msg_body.link_state);
886 
887 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
888 	if (ret) {
889 		wcn36xx_err("Sending hal_join failed\n");
890 		goto out;
891 	}
892 	ret = wcn36xx_smd_join_rsp(wcn->hal_buf, wcn->hal_rsp_len);
893 	if (ret) {
894 		wcn36xx_err("hal_join response failed err=%d\n", ret);
895 		goto out;
896 	}
897 out:
898 	mutex_unlock(&wcn->hal_mutex);
899 	return ret;
900 }
901 
902 int wcn36xx_smd_set_link_st(struct wcn36xx *wcn, const u8 *bssid,
903 			    const u8 *sta_mac,
904 			    enum wcn36xx_hal_link_state state)
905 {
906 	struct wcn36xx_hal_set_link_state_req_msg msg_body;
907 	int ret = 0;
908 
909 	mutex_lock(&wcn->hal_mutex);
910 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_LINK_ST_REQ);
911 
912 	memcpy(&msg_body.bssid, bssid, ETH_ALEN);
913 	memcpy(&msg_body.self_mac_addr, sta_mac, ETH_ALEN);
914 	msg_body.state = state;
915 
916 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
917 
918 	wcn36xx_dbg(WCN36XX_DBG_HAL,
919 		    "hal set link state bssid %pM self_mac_addr %pM state %d\n",
920 		    msg_body.bssid, msg_body.self_mac_addr, msg_body.state);
921 
922 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
923 	if (ret) {
924 		wcn36xx_err("Sending hal_set_link_st failed\n");
925 		goto out;
926 	}
927 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
928 	if (ret) {
929 		wcn36xx_err("hal_set_link_st response failed err=%d\n", ret);
930 		goto out;
931 	}
932 out:
933 	mutex_unlock(&wcn->hal_mutex);
934 	return ret;
935 }
936 
937 static void wcn36xx_smd_convert_sta_to_v1(struct wcn36xx *wcn,
938 			const struct wcn36xx_hal_config_sta_params *orig,
939 			struct wcn36xx_hal_config_sta_params_v1 *v1)
940 {
941 	/* convert orig to v1 format */
942 	memcpy(&v1->bssid, orig->bssid, ETH_ALEN);
943 	memcpy(&v1->mac, orig->mac, ETH_ALEN);
944 	v1->aid = orig->aid;
945 	v1->type = orig->type;
946 	v1->short_preamble_supported = orig->short_preamble_supported;
947 	v1->listen_interval = orig->listen_interval;
948 	v1->wmm_enabled = orig->wmm_enabled;
949 	v1->ht_capable = orig->ht_capable;
950 	v1->tx_channel_width_set = orig->tx_channel_width_set;
951 	v1->rifs_mode = orig->rifs_mode;
952 	v1->lsig_txop_protection = orig->lsig_txop_protection;
953 	v1->max_ampdu_size = orig->max_ampdu_size;
954 	v1->max_ampdu_density = orig->max_ampdu_density;
955 	v1->sgi_40mhz = orig->sgi_40mhz;
956 	v1->sgi_20Mhz = orig->sgi_20Mhz;
957 	v1->rmf = orig->rmf;
958 	v1->encrypt_type = orig->encrypt_type;
959 	v1->action = orig->action;
960 	v1->uapsd = orig->uapsd;
961 	v1->max_sp_len = orig->max_sp_len;
962 	v1->green_field_capable = orig->green_field_capable;
963 	v1->mimo_ps = orig->mimo_ps;
964 	v1->delayed_ba_support = orig->delayed_ba_support;
965 	v1->max_ampdu_duration = orig->max_ampdu_duration;
966 	v1->dsss_cck_mode_40mhz = orig->dsss_cck_mode_40mhz;
967 	memcpy(&v1->supported_rates, &orig->supported_rates,
968 	       sizeof(orig->supported_rates));
969 	v1->sta_index = orig->sta_index;
970 	v1->bssid_index = orig->bssid_index;
971 	v1->p2p = orig->p2p;
972 }
973 
974 static int wcn36xx_smd_config_sta_rsp(struct wcn36xx *wcn,
975 				      struct ieee80211_sta *sta,
976 				      void *buf,
977 				      size_t len)
978 {
979 	struct wcn36xx_hal_config_sta_rsp_msg *rsp;
980 	struct config_sta_rsp_params *params;
981 	struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
982 
983 	if (len < sizeof(*rsp))
984 		return -EINVAL;
985 
986 	rsp = (struct wcn36xx_hal_config_sta_rsp_msg *)buf;
987 	params = &rsp->params;
988 
989 	if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
990 		wcn36xx_warn("hal config sta response failure: %d\n",
991 			     params->status);
992 		return -EIO;
993 	}
994 
995 	sta_priv->sta_index = params->sta_index;
996 	sta_priv->dpu_desc_index = params->dpu_index;
997 	sta_priv->ucast_dpu_sign = params->uc_ucast_sig;
998 
999 	wcn36xx_dbg(WCN36XX_DBG_HAL,
1000 		    "hal config sta rsp status %d sta_index %d bssid_index %d uc_ucast_sig %d p2p %d\n",
1001 		    params->status, params->sta_index, params->bssid_index,
1002 		    params->uc_ucast_sig, params->p2p);
1003 
1004 	return 0;
1005 }
1006 
1007 static int wcn36xx_smd_config_sta_v1(struct wcn36xx *wcn,
1008 		     const struct wcn36xx_hal_config_sta_req_msg *orig)
1009 {
1010 	struct wcn36xx_hal_config_sta_req_msg_v1 msg_body;
1011 	struct wcn36xx_hal_config_sta_params_v1 *sta = &msg_body.sta_params;
1012 
1013 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_CONFIG_STA_REQ);
1014 
1015 	wcn36xx_smd_convert_sta_to_v1(wcn, &orig->sta_params,
1016 				      &msg_body.sta_params);
1017 
1018 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1019 
1020 	wcn36xx_dbg(WCN36XX_DBG_HAL,
1021 		    "hal config sta v1 action %d sta_index %d bssid_index %d bssid %pM type %d mac %pM aid %d\n",
1022 		    sta->action, sta->sta_index, sta->bssid_index,
1023 		    sta->bssid, sta->type, sta->mac, sta->aid);
1024 
1025 	return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1026 }
1027 
1028 int wcn36xx_smd_config_sta(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1029 			   struct ieee80211_sta *sta)
1030 {
1031 	struct wcn36xx_hal_config_sta_req_msg msg;
1032 	struct wcn36xx_hal_config_sta_params *sta_params;
1033 	int ret = 0;
1034 
1035 	mutex_lock(&wcn->hal_mutex);
1036 	INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_STA_REQ);
1037 
1038 	sta_params = &msg.sta_params;
1039 
1040 	wcn36xx_smd_set_sta_params(wcn, vif, sta, sta_params);
1041 
1042 	if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
1043 		ret = wcn36xx_smd_config_sta_v1(wcn, &msg);
1044 	} else {
1045 		PREPARE_HAL_BUF(wcn->hal_buf, msg);
1046 
1047 		wcn36xx_dbg(WCN36XX_DBG_HAL,
1048 			    "hal config sta action %d sta_index %d bssid_index %d bssid %pM type %d mac %pM aid %d\n",
1049 			    sta_params->action, sta_params->sta_index,
1050 			    sta_params->bssid_index, sta_params->bssid,
1051 			    sta_params->type, sta_params->mac, sta_params->aid);
1052 
1053 		ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1054 	}
1055 	if (ret) {
1056 		wcn36xx_err("Sending hal_config_sta failed\n");
1057 		goto out;
1058 	}
1059 	ret = wcn36xx_smd_config_sta_rsp(wcn,
1060 					 sta,
1061 					 wcn->hal_buf,
1062 					 wcn->hal_rsp_len);
1063 	if (ret) {
1064 		wcn36xx_err("hal_config_sta response failed err=%d\n", ret);
1065 		goto out;
1066 	}
1067 out:
1068 	mutex_unlock(&wcn->hal_mutex);
1069 	return ret;
1070 }
1071 
1072 static int wcn36xx_smd_config_bss_v1(struct wcn36xx *wcn,
1073 			const struct wcn36xx_hal_config_bss_req_msg *orig)
1074 {
1075 	struct wcn36xx_hal_config_bss_req_msg_v1 msg_body;
1076 	struct wcn36xx_hal_config_bss_params_v1 *bss = &msg_body.bss_params;
1077 	struct wcn36xx_hal_config_sta_params_v1 *sta = &bss->sta;
1078 
1079 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_CONFIG_BSS_REQ);
1080 
1081 	/* convert orig to v1 */
1082 	memcpy(&msg_body.bss_params.bssid,
1083 	       &orig->bss_params.bssid, ETH_ALEN);
1084 	memcpy(&msg_body.bss_params.self_mac_addr,
1085 	       &orig->bss_params.self_mac_addr, ETH_ALEN);
1086 
1087 	msg_body.bss_params.bss_type = orig->bss_params.bss_type;
1088 	msg_body.bss_params.oper_mode = orig->bss_params.oper_mode;
1089 	msg_body.bss_params.nw_type = orig->bss_params.nw_type;
1090 
1091 	msg_body.bss_params.short_slot_time_supported =
1092 		orig->bss_params.short_slot_time_supported;
1093 	msg_body.bss_params.lla_coexist = orig->bss_params.lla_coexist;
1094 	msg_body.bss_params.llb_coexist = orig->bss_params.llb_coexist;
1095 	msg_body.bss_params.llg_coexist = orig->bss_params.llg_coexist;
1096 	msg_body.bss_params.ht20_coexist = orig->bss_params.ht20_coexist;
1097 	msg_body.bss_params.lln_non_gf_coexist =
1098 		orig->bss_params.lln_non_gf_coexist;
1099 
1100 	msg_body.bss_params.lsig_tx_op_protection_full_support =
1101 		orig->bss_params.lsig_tx_op_protection_full_support;
1102 	msg_body.bss_params.rifs_mode = orig->bss_params.rifs_mode;
1103 	msg_body.bss_params.beacon_interval = orig->bss_params.beacon_interval;
1104 	msg_body.bss_params.dtim_period = orig->bss_params.dtim_period;
1105 	msg_body.bss_params.tx_channel_width_set =
1106 		orig->bss_params.tx_channel_width_set;
1107 	msg_body.bss_params.oper_channel = orig->bss_params.oper_channel;
1108 	msg_body.bss_params.ext_channel = orig->bss_params.ext_channel;
1109 
1110 	msg_body.bss_params.reserved = orig->bss_params.reserved;
1111 
1112 	memcpy(&msg_body.bss_params.ssid,
1113 	       &orig->bss_params.ssid,
1114 	       sizeof(orig->bss_params.ssid));
1115 
1116 	msg_body.bss_params.action = orig->bss_params.action;
1117 	msg_body.bss_params.rateset = orig->bss_params.rateset;
1118 	msg_body.bss_params.ht = orig->bss_params.ht;
1119 	msg_body.bss_params.obss_prot_enabled =
1120 		orig->bss_params.obss_prot_enabled;
1121 	msg_body.bss_params.rmf = orig->bss_params.rmf;
1122 	msg_body.bss_params.ht_oper_mode = orig->bss_params.ht_oper_mode;
1123 	msg_body.bss_params.dual_cts_protection =
1124 		orig->bss_params.dual_cts_protection;
1125 
1126 	msg_body.bss_params.max_probe_resp_retry_limit =
1127 		orig->bss_params.max_probe_resp_retry_limit;
1128 	msg_body.bss_params.hidden_ssid = orig->bss_params.hidden_ssid;
1129 	msg_body.bss_params.proxy_probe_resp =
1130 		orig->bss_params.proxy_probe_resp;
1131 	msg_body.bss_params.edca_params_valid =
1132 		orig->bss_params.edca_params_valid;
1133 
1134 	memcpy(&msg_body.bss_params.acbe,
1135 	       &orig->bss_params.acbe,
1136 	       sizeof(orig->bss_params.acbe));
1137 	memcpy(&msg_body.bss_params.acbk,
1138 	       &orig->bss_params.acbk,
1139 	       sizeof(orig->bss_params.acbk));
1140 	memcpy(&msg_body.bss_params.acvi,
1141 	       &orig->bss_params.acvi,
1142 	       sizeof(orig->bss_params.acvi));
1143 	memcpy(&msg_body.bss_params.acvo,
1144 	       &orig->bss_params.acvo,
1145 	       sizeof(orig->bss_params.acvo));
1146 
1147 	msg_body.bss_params.ext_set_sta_key_param_valid =
1148 		orig->bss_params.ext_set_sta_key_param_valid;
1149 
1150 	memcpy(&msg_body.bss_params.ext_set_sta_key_param,
1151 	       &orig->bss_params.ext_set_sta_key_param,
1152 	       sizeof(orig->bss_params.acvo));
1153 
1154 	msg_body.bss_params.wcn36xx_hal_persona =
1155 		orig->bss_params.wcn36xx_hal_persona;
1156 	msg_body.bss_params.spectrum_mgt_enable =
1157 		orig->bss_params.spectrum_mgt_enable;
1158 	msg_body.bss_params.tx_mgmt_power = orig->bss_params.tx_mgmt_power;
1159 	msg_body.bss_params.max_tx_power = orig->bss_params.max_tx_power;
1160 
1161 	wcn36xx_smd_convert_sta_to_v1(wcn, &orig->bss_params.sta,
1162 				      &msg_body.bss_params.sta);
1163 
1164 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1165 
1166 	wcn36xx_dbg(WCN36XX_DBG_HAL,
1167 		    "hal config bss v1 bssid %pM self_mac_addr %pM bss_type %d oper_mode %d nw_type %d\n",
1168 		    bss->bssid, bss->self_mac_addr, bss->bss_type,
1169 		    bss->oper_mode, bss->nw_type);
1170 
1171 	wcn36xx_dbg(WCN36XX_DBG_HAL,
1172 		    "- sta bssid %pM action %d sta_index %d bssid_index %d aid %d type %d mac %pM\n",
1173 		    sta->bssid, sta->action, sta->sta_index,
1174 		    sta->bssid_index, sta->aid, sta->type, sta->mac);
1175 
1176 	return wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1177 }
1178 
1179 
1180 static int wcn36xx_smd_config_bss_rsp(struct wcn36xx *wcn,
1181 				      struct ieee80211_vif *vif,
1182 				      struct ieee80211_sta *sta,
1183 				      void *buf,
1184 				      size_t len)
1185 {
1186 	struct wcn36xx_hal_config_bss_rsp_msg *rsp;
1187 	struct wcn36xx_hal_config_bss_rsp_params *params;
1188 	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
1189 
1190 	if (len < sizeof(*rsp))
1191 		return -EINVAL;
1192 
1193 	rsp = (struct wcn36xx_hal_config_bss_rsp_msg *)buf;
1194 	params = &rsp->bss_rsp_params;
1195 
1196 	if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
1197 		wcn36xx_warn("hal config bss response failure: %d\n",
1198 			     params->status);
1199 		return -EIO;
1200 	}
1201 
1202 	wcn36xx_dbg(WCN36XX_DBG_HAL,
1203 		    "hal config bss rsp status %d bss_idx %d dpu_desc_index %d"
1204 		    " sta_idx %d self_idx %d bcast_idx %d mac %pM"
1205 		    " power %d ucast_dpu_signature %d\n",
1206 		    params->status, params->bss_index, params->dpu_desc_index,
1207 		    params->bss_sta_index, params->bss_self_sta_index,
1208 		    params->bss_bcast_sta_idx, params->mac,
1209 		    params->tx_mgmt_power, params->ucast_dpu_signature);
1210 
1211 	vif_priv->bss_index = params->bss_index;
1212 
1213 	if (sta) {
1214 		struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
1215 		sta_priv->bss_sta_index = params->bss_sta_index;
1216 		sta_priv->bss_dpu_desc_index = params->dpu_desc_index;
1217 	}
1218 
1219 	vif_priv->self_ucast_dpu_sign = params->ucast_dpu_signature;
1220 
1221 	return 0;
1222 }
1223 
1224 int wcn36xx_smd_config_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1225 			   struct ieee80211_sta *sta, const u8 *bssid,
1226 			   bool update)
1227 {
1228 	struct wcn36xx_hal_config_bss_req_msg msg;
1229 	struct wcn36xx_hal_config_bss_params *bss;
1230 	struct wcn36xx_hal_config_sta_params *sta_params;
1231 	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
1232 	int ret = 0;
1233 
1234 	mutex_lock(&wcn->hal_mutex);
1235 	INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_BSS_REQ);
1236 
1237 	bss = &msg.bss_params;
1238 	sta_params = &bss->sta;
1239 
1240 	WARN_ON(is_zero_ether_addr(bssid));
1241 
1242 	memcpy(&bss->bssid, bssid, ETH_ALEN);
1243 
1244 	memcpy(bss->self_mac_addr, vif->addr, ETH_ALEN);
1245 
1246 	if (vif->type == NL80211_IFTYPE_STATION) {
1247 		bss->bss_type = WCN36XX_HAL_INFRASTRUCTURE_MODE;
1248 
1249 		/* STA */
1250 		bss->oper_mode = 1;
1251 		bss->wcn36xx_hal_persona = WCN36XX_HAL_STA_MODE;
1252 	} else if (vif->type == NL80211_IFTYPE_AP ||
1253 		   vif->type == NL80211_IFTYPE_MESH_POINT) {
1254 		bss->bss_type = WCN36XX_HAL_INFRA_AP_MODE;
1255 
1256 		/* AP */
1257 		bss->oper_mode = 0;
1258 		bss->wcn36xx_hal_persona = WCN36XX_HAL_STA_SAP_MODE;
1259 	} else if (vif->type == NL80211_IFTYPE_ADHOC) {
1260 		bss->bss_type = WCN36XX_HAL_IBSS_MODE;
1261 
1262 		/* STA */
1263 		bss->oper_mode = 1;
1264 	} else {
1265 		wcn36xx_warn("Unknown type for bss config: %d\n", vif->type);
1266 	}
1267 
1268 	if (vif->type == NL80211_IFTYPE_STATION)
1269 		wcn36xx_smd_set_bss_nw_type(wcn, sta, bss);
1270 	else
1271 		bss->nw_type = WCN36XX_HAL_11N_NW_TYPE;
1272 
1273 	bss->short_slot_time_supported = vif->bss_conf.use_short_slot;
1274 	bss->lla_coexist = 0;
1275 	bss->llb_coexist = 0;
1276 	bss->llg_coexist = 0;
1277 	bss->rifs_mode = 0;
1278 	bss->beacon_interval = vif->bss_conf.beacon_int;
1279 	bss->dtim_period = vif_priv->dtim_period;
1280 
1281 	wcn36xx_smd_set_bss_ht_params(vif, sta, bss);
1282 
1283 	bss->oper_channel = WCN36XX_HW_CHANNEL(wcn);
1284 
1285 	if (conf_is_ht40_minus(&wcn->hw->conf))
1286 		bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
1287 	else if (conf_is_ht40_plus(&wcn->hw->conf))
1288 		bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
1289 	else
1290 		bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_NONE;
1291 
1292 	bss->reserved = 0;
1293 	wcn36xx_smd_set_sta_params(wcn, vif, sta, sta_params);
1294 
1295 	/* wcn->ssid is only valid in AP and IBSS mode */
1296 	bss->ssid.length = vif_priv->ssid.length;
1297 	memcpy(bss->ssid.ssid, vif_priv->ssid.ssid, vif_priv->ssid.length);
1298 
1299 	bss->obss_prot_enabled = 0;
1300 	bss->rmf = 0;
1301 	bss->max_probe_resp_retry_limit = 0;
1302 	bss->hidden_ssid = vif->bss_conf.hidden_ssid;
1303 	bss->proxy_probe_resp = 0;
1304 	bss->edca_params_valid = 0;
1305 
1306 	/* FIXME: set acbe, acbk, acvi and acvo */
1307 
1308 	bss->ext_set_sta_key_param_valid = 0;
1309 
1310 	/* FIXME: set ext_set_sta_key_param */
1311 
1312 	bss->spectrum_mgt_enable = 0;
1313 	bss->tx_mgmt_power = 0;
1314 	bss->max_tx_power = WCN36XX_MAX_POWER(wcn);
1315 
1316 	bss->action = update;
1317 
1318 	wcn36xx_dbg(WCN36XX_DBG_HAL,
1319 		    "hal config bss bssid %pM self_mac_addr %pM bss_type %d oper_mode %d nw_type %d\n",
1320 		    bss->bssid, bss->self_mac_addr, bss->bss_type,
1321 		    bss->oper_mode, bss->nw_type);
1322 
1323 	wcn36xx_dbg(WCN36XX_DBG_HAL,
1324 		    "- sta bssid %pM action %d sta_index %d bssid_index %d aid %d type %d mac %pM\n",
1325 		    sta_params->bssid, sta_params->action,
1326 		    sta_params->sta_index, sta_params->bssid_index,
1327 		    sta_params->aid, sta_params->type,
1328 		    sta_params->mac);
1329 
1330 	if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
1331 		ret = wcn36xx_smd_config_bss_v1(wcn, &msg);
1332 	} else {
1333 		PREPARE_HAL_BUF(wcn->hal_buf, msg);
1334 
1335 		ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1336 	}
1337 	if (ret) {
1338 		wcn36xx_err("Sending hal_config_bss failed\n");
1339 		goto out;
1340 	}
1341 	ret = wcn36xx_smd_config_bss_rsp(wcn,
1342 					 vif,
1343 					 sta,
1344 					 wcn->hal_buf,
1345 					 wcn->hal_rsp_len);
1346 	if (ret) {
1347 		wcn36xx_err("hal_config_bss response failed err=%d\n", ret);
1348 		goto out;
1349 	}
1350 out:
1351 	mutex_unlock(&wcn->hal_mutex);
1352 	return ret;
1353 }
1354 
1355 int wcn36xx_smd_delete_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1356 {
1357 	struct wcn36xx_hal_delete_bss_req_msg msg_body;
1358 	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
1359 	int ret = 0;
1360 
1361 	mutex_lock(&wcn->hal_mutex);
1362 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_BSS_REQ);
1363 
1364 	msg_body.bss_index = vif_priv->bss_index;
1365 
1366 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1367 
1368 	wcn36xx_dbg(WCN36XX_DBG_HAL, "hal delete bss %d\n", msg_body.bss_index);
1369 
1370 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1371 	if (ret) {
1372 		wcn36xx_err("Sending hal_delete_bss failed\n");
1373 		goto out;
1374 	}
1375 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1376 	if (ret) {
1377 		wcn36xx_err("hal_delete_bss response failed err=%d\n", ret);
1378 		goto out;
1379 	}
1380 out:
1381 	mutex_unlock(&wcn->hal_mutex);
1382 	return ret;
1383 }
1384 
1385 int wcn36xx_smd_send_beacon(struct wcn36xx *wcn, struct ieee80211_vif *vif,
1386 			    struct sk_buff *skb_beacon, u16 tim_off,
1387 			    u16 p2p_off)
1388 {
1389 	struct wcn36xx_hal_send_beacon_req_msg msg_body;
1390 	int ret = 0, pad, pvm_len;
1391 
1392 	mutex_lock(&wcn->hal_mutex);
1393 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_SEND_BEACON_REQ);
1394 
1395 	pvm_len = skb_beacon->data[tim_off + 1] - 3;
1396 	pad = TIM_MIN_PVM_SIZE - pvm_len;
1397 
1398 	/* Padding is irrelevant to mesh mode since tim_off is always 0. */
1399 	if (vif->type == NL80211_IFTYPE_MESH_POINT)
1400 		pad = 0;
1401 
1402 	msg_body.beacon_length = skb_beacon->len + pad;
1403 	/* TODO need to find out why + 6 is needed */
1404 	msg_body.beacon_length6 = msg_body.beacon_length + 6;
1405 
1406 	if (msg_body.beacon_length > BEACON_TEMPLATE_SIZE) {
1407 		wcn36xx_err("Beacon is to big: beacon size=%d\n",
1408 			      msg_body.beacon_length);
1409 		ret = -ENOMEM;
1410 		goto out;
1411 	}
1412 	memcpy(msg_body.beacon, skb_beacon->data, skb_beacon->len);
1413 	memcpy(msg_body.bssid, vif->addr, ETH_ALEN);
1414 
1415 	if (pad > 0) {
1416 		/*
1417 		 * The wcn36xx FW has a fixed size for the PVM in the TIM. If
1418 		 * given the beacon template from mac80211 with a PVM shorter
1419 		 * than the FW expectes it will overwrite the data after the
1420 		 * TIM.
1421 		 */
1422 		wcn36xx_dbg(WCN36XX_DBG_HAL, "Pad TIM PVM. %d bytes at %d\n",
1423 			    pad, pvm_len);
1424 		memmove(&msg_body.beacon[tim_off + 5 + pvm_len + pad],
1425 			&msg_body.beacon[tim_off + 5 + pvm_len],
1426 			skb_beacon->len - (tim_off + 5 + pvm_len));
1427 		memset(&msg_body.beacon[tim_off + 5 + pvm_len], 0, pad);
1428 		msg_body.beacon[tim_off + 1] += pad;
1429 	}
1430 
1431 	/* TODO need to find out why this is needed? */
1432 	if (vif->type == NL80211_IFTYPE_MESH_POINT)
1433 		/* mesh beacon don't need this, so push further down */
1434 		msg_body.tim_ie_offset = 256;
1435 	else
1436 		msg_body.tim_ie_offset = tim_off+4;
1437 	msg_body.p2p_ie_offset = p2p_off;
1438 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1439 
1440 	wcn36xx_dbg(WCN36XX_DBG_HAL,
1441 		    "hal send beacon beacon_length %d\n",
1442 		    msg_body.beacon_length);
1443 
1444 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1445 	if (ret) {
1446 		wcn36xx_err("Sending hal_send_beacon failed\n");
1447 		goto out;
1448 	}
1449 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1450 	if (ret) {
1451 		wcn36xx_err("hal_send_beacon response failed err=%d\n", ret);
1452 		goto out;
1453 	}
1454 out:
1455 	mutex_unlock(&wcn->hal_mutex);
1456 	return ret;
1457 }
1458 
1459 int wcn36xx_smd_update_proberesp_tmpl(struct wcn36xx *wcn,
1460 				      struct ieee80211_vif *vif,
1461 				      struct sk_buff *skb)
1462 {
1463 	struct wcn36xx_hal_send_probe_resp_req_msg msg;
1464 	int ret = 0;
1465 
1466 	mutex_lock(&wcn->hal_mutex);
1467 	INIT_HAL_MSG(msg, WCN36XX_HAL_UPDATE_PROBE_RSP_TEMPLATE_REQ);
1468 
1469 	if (skb->len > BEACON_TEMPLATE_SIZE) {
1470 		wcn36xx_warn("probe response template is too big: %d\n",
1471 			     skb->len);
1472 		ret = -E2BIG;
1473 		goto out;
1474 	}
1475 
1476 	msg.probe_resp_template_len = skb->len;
1477 	memcpy(&msg.probe_resp_template, skb->data, skb->len);
1478 
1479 	memcpy(msg.bssid, vif->addr, ETH_ALEN);
1480 
1481 	PREPARE_HAL_BUF(wcn->hal_buf, msg);
1482 
1483 	wcn36xx_dbg(WCN36XX_DBG_HAL,
1484 		    "hal update probe rsp len %d bssid %pM\n",
1485 		    msg.probe_resp_template_len, msg.bssid);
1486 
1487 	ret = wcn36xx_smd_send_and_wait(wcn, msg.header.len);
1488 	if (ret) {
1489 		wcn36xx_err("Sending hal_update_proberesp_tmpl failed\n");
1490 		goto out;
1491 	}
1492 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1493 	if (ret) {
1494 		wcn36xx_err("hal_update_proberesp_tmpl response failed err=%d\n",
1495 			    ret);
1496 		goto out;
1497 	}
1498 out:
1499 	mutex_unlock(&wcn->hal_mutex);
1500 	return ret;
1501 }
1502 
1503 int wcn36xx_smd_set_stakey(struct wcn36xx *wcn,
1504 			   enum ani_ed_type enc_type,
1505 			   u8 keyidx,
1506 			   u8 keylen,
1507 			   u8 *key,
1508 			   u8 sta_index)
1509 {
1510 	struct wcn36xx_hal_set_sta_key_req_msg msg_body;
1511 	int ret = 0;
1512 
1513 	mutex_lock(&wcn->hal_mutex);
1514 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_STAKEY_REQ);
1515 
1516 	msg_body.set_sta_key_params.sta_index = sta_index;
1517 	msg_body.set_sta_key_params.enc_type = enc_type;
1518 
1519 	msg_body.set_sta_key_params.key[0].id = keyidx;
1520 	msg_body.set_sta_key_params.key[0].unicast = 1;
1521 	msg_body.set_sta_key_params.key[0].direction = WCN36XX_HAL_TX_RX;
1522 	msg_body.set_sta_key_params.key[0].pae_role = 0;
1523 	msg_body.set_sta_key_params.key[0].length = keylen;
1524 	memcpy(msg_body.set_sta_key_params.key[0].key, key, keylen);
1525 	msg_body.set_sta_key_params.single_tid_rc = 1;
1526 
1527 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1528 
1529 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1530 	if (ret) {
1531 		wcn36xx_err("Sending hal_set_stakey failed\n");
1532 		goto out;
1533 	}
1534 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1535 	if (ret) {
1536 		wcn36xx_err("hal_set_stakey response failed err=%d\n", ret);
1537 		goto out;
1538 	}
1539 out:
1540 	mutex_unlock(&wcn->hal_mutex);
1541 	return ret;
1542 }
1543 
1544 int wcn36xx_smd_set_bsskey(struct wcn36xx *wcn,
1545 			   enum ani_ed_type enc_type,
1546 			   u8 keyidx,
1547 			   u8 keylen,
1548 			   u8 *key)
1549 {
1550 	struct wcn36xx_hal_set_bss_key_req_msg msg_body;
1551 	int ret = 0;
1552 
1553 	mutex_lock(&wcn->hal_mutex);
1554 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_BSSKEY_REQ);
1555 	msg_body.bss_idx = 0;
1556 	msg_body.enc_type = enc_type;
1557 	msg_body.num_keys = 1;
1558 	msg_body.keys[0].id = keyidx;
1559 	msg_body.keys[0].unicast = 0;
1560 	msg_body.keys[0].direction = WCN36XX_HAL_RX_ONLY;
1561 	msg_body.keys[0].pae_role = 0;
1562 	msg_body.keys[0].length = keylen;
1563 	memcpy(msg_body.keys[0].key, key, keylen);
1564 
1565 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1566 
1567 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1568 	if (ret) {
1569 		wcn36xx_err("Sending hal_set_bsskey failed\n");
1570 		goto out;
1571 	}
1572 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1573 	if (ret) {
1574 		wcn36xx_err("hal_set_bsskey response failed err=%d\n", ret);
1575 		goto out;
1576 	}
1577 out:
1578 	mutex_unlock(&wcn->hal_mutex);
1579 	return ret;
1580 }
1581 
1582 int wcn36xx_smd_remove_stakey(struct wcn36xx *wcn,
1583 			      enum ani_ed_type enc_type,
1584 			      u8 keyidx,
1585 			      u8 sta_index)
1586 {
1587 	struct wcn36xx_hal_remove_sta_key_req_msg msg_body;
1588 	int ret = 0;
1589 
1590 	mutex_lock(&wcn->hal_mutex);
1591 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_STAKEY_REQ);
1592 
1593 	msg_body.sta_idx = sta_index;
1594 	msg_body.enc_type = enc_type;
1595 	msg_body.key_id = keyidx;
1596 
1597 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1598 
1599 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1600 	if (ret) {
1601 		wcn36xx_err("Sending hal_remove_stakey failed\n");
1602 		goto out;
1603 	}
1604 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1605 	if (ret) {
1606 		wcn36xx_err("hal_remove_stakey response failed err=%d\n", ret);
1607 		goto out;
1608 	}
1609 out:
1610 	mutex_unlock(&wcn->hal_mutex);
1611 	return ret;
1612 }
1613 
1614 int wcn36xx_smd_remove_bsskey(struct wcn36xx *wcn,
1615 			      enum ani_ed_type enc_type,
1616 			      u8 keyidx)
1617 {
1618 	struct wcn36xx_hal_remove_bss_key_req_msg msg_body;
1619 	int ret = 0;
1620 
1621 	mutex_lock(&wcn->hal_mutex);
1622 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_BSSKEY_REQ);
1623 	msg_body.bss_idx = 0;
1624 	msg_body.enc_type = enc_type;
1625 	msg_body.key_id = keyidx;
1626 
1627 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1628 
1629 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1630 	if (ret) {
1631 		wcn36xx_err("Sending hal_remove_bsskey failed\n");
1632 		goto out;
1633 	}
1634 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1635 	if (ret) {
1636 		wcn36xx_err("hal_remove_bsskey response failed err=%d\n", ret);
1637 		goto out;
1638 	}
1639 out:
1640 	mutex_unlock(&wcn->hal_mutex);
1641 	return ret;
1642 }
1643 
1644 int wcn36xx_smd_enter_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1645 {
1646 	struct wcn36xx_hal_enter_bmps_req_msg msg_body;
1647 	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
1648 	int ret = 0;
1649 
1650 	mutex_lock(&wcn->hal_mutex);
1651 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_ENTER_BMPS_REQ);
1652 
1653 	msg_body.bss_index = vif_priv->bss_index;
1654 	msg_body.tbtt = vif->bss_conf.sync_tsf;
1655 	msg_body.dtim_period = vif_priv->dtim_period;
1656 
1657 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1658 
1659 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1660 	if (ret) {
1661 		wcn36xx_err("Sending hal_enter_bmps failed\n");
1662 		goto out;
1663 	}
1664 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1665 	if (ret) {
1666 		wcn36xx_err("hal_enter_bmps response failed err=%d\n", ret);
1667 		goto out;
1668 	}
1669 out:
1670 	mutex_unlock(&wcn->hal_mutex);
1671 	return ret;
1672 }
1673 
1674 int wcn36xx_smd_exit_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif)
1675 {
1676 	struct wcn36xx_hal_exit_bmps_req_msg msg_body;
1677 	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
1678 	int ret = 0;
1679 
1680 	mutex_lock(&wcn->hal_mutex);
1681 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_EXIT_BMPS_REQ);
1682 
1683 	msg_body.bss_index = vif_priv->bss_index;
1684 
1685 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1686 
1687 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1688 	if (ret) {
1689 		wcn36xx_err("Sending hal_exit_bmps failed\n");
1690 		goto out;
1691 	}
1692 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1693 	if (ret) {
1694 		wcn36xx_err("hal_exit_bmps response failed err=%d\n", ret);
1695 		goto out;
1696 	}
1697 out:
1698 	mutex_unlock(&wcn->hal_mutex);
1699 	return ret;
1700 }
1701 int wcn36xx_smd_set_power_params(struct wcn36xx *wcn, bool ignore_dtim)
1702 {
1703 	struct wcn36xx_hal_set_power_params_req_msg msg_body;
1704 	int ret = 0;
1705 
1706 	mutex_lock(&wcn->hal_mutex);
1707 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_POWER_PARAMS_REQ);
1708 
1709 	/*
1710 	 * When host is down ignore every second dtim
1711 	 */
1712 	if (ignore_dtim) {
1713 		msg_body.ignore_dtim = 1;
1714 		msg_body.dtim_period = 2;
1715 	}
1716 	msg_body.listen_interval = WCN36XX_LISTEN_INTERVAL(wcn);
1717 
1718 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1719 
1720 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1721 	if (ret) {
1722 		wcn36xx_err("Sending hal_set_power_params failed\n");
1723 		goto out;
1724 	}
1725 
1726 out:
1727 	mutex_unlock(&wcn->hal_mutex);
1728 	return ret;
1729 }
1730 /* Notice: This function should be called after associated, or else it
1731  * will be invalid
1732  */
1733 int wcn36xx_smd_keep_alive_req(struct wcn36xx *wcn,
1734 			       struct ieee80211_vif *vif,
1735 			       int packet_type)
1736 {
1737 	struct wcn36xx_hal_keep_alive_req_msg msg_body;
1738 	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
1739 	int ret = 0;
1740 
1741 	mutex_lock(&wcn->hal_mutex);
1742 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_KEEP_ALIVE_REQ);
1743 
1744 	if (packet_type == WCN36XX_HAL_KEEP_ALIVE_NULL_PKT) {
1745 		msg_body.bss_index = vif_priv->bss_index;
1746 		msg_body.packet_type = WCN36XX_HAL_KEEP_ALIVE_NULL_PKT;
1747 		msg_body.time_period = WCN36XX_KEEP_ALIVE_TIME_PERIOD;
1748 	} else if (packet_type == WCN36XX_HAL_KEEP_ALIVE_UNSOLICIT_ARP_RSP) {
1749 		/* TODO: it also support ARP response type */
1750 	} else {
1751 		wcn36xx_warn("unknown keep alive packet type %d\n", packet_type);
1752 		ret = -EINVAL;
1753 		goto out;
1754 	}
1755 
1756 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1757 
1758 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1759 	if (ret) {
1760 		wcn36xx_err("Sending hal_keep_alive failed\n");
1761 		goto out;
1762 	}
1763 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1764 	if (ret) {
1765 		wcn36xx_err("hal_keep_alive response failed err=%d\n", ret);
1766 		goto out;
1767 	}
1768 out:
1769 	mutex_unlock(&wcn->hal_mutex);
1770 	return ret;
1771 }
1772 
1773 int wcn36xx_smd_dump_cmd_req(struct wcn36xx *wcn, u32 arg1, u32 arg2,
1774 			     u32 arg3, u32 arg4, u32 arg5)
1775 {
1776 	struct wcn36xx_hal_dump_cmd_req_msg msg_body;
1777 	int ret = 0;
1778 
1779 	mutex_lock(&wcn->hal_mutex);
1780 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_DUMP_COMMAND_REQ);
1781 
1782 	msg_body.arg1 = arg1;
1783 	msg_body.arg2 = arg2;
1784 	msg_body.arg3 = arg3;
1785 	msg_body.arg4 = arg4;
1786 	msg_body.arg5 = arg5;
1787 
1788 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1789 
1790 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1791 	if (ret) {
1792 		wcn36xx_err("Sending hal_dump_cmd failed\n");
1793 		goto out;
1794 	}
1795 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1796 	if (ret) {
1797 		wcn36xx_err("hal_dump_cmd response failed err=%d\n", ret);
1798 		goto out;
1799 	}
1800 out:
1801 	mutex_unlock(&wcn->hal_mutex);
1802 	return ret;
1803 }
1804 
1805 void set_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1806 {
1807 	int arr_idx, bit_idx;
1808 
1809 	if (cap < 0 || cap > 127) {
1810 		wcn36xx_warn("error cap idx %d\n", cap);
1811 		return;
1812 	}
1813 
1814 	arr_idx = cap / 32;
1815 	bit_idx = cap % 32;
1816 	bitmap[arr_idx] |= (1 << bit_idx);
1817 }
1818 
1819 int get_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1820 {
1821 	int arr_idx, bit_idx;
1822 	int ret = 0;
1823 
1824 	if (cap < 0 || cap > 127) {
1825 		wcn36xx_warn("error cap idx %d\n", cap);
1826 		return -EINVAL;
1827 	}
1828 
1829 	arr_idx = cap / 32;
1830 	bit_idx = cap % 32;
1831 	ret = (bitmap[arr_idx] & (1 << bit_idx)) ? 1 : 0;
1832 	return ret;
1833 }
1834 
1835 void clear_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap)
1836 {
1837 	int arr_idx, bit_idx;
1838 
1839 	if (cap < 0 || cap > 127) {
1840 		wcn36xx_warn("error cap idx %d\n", cap);
1841 		return;
1842 	}
1843 
1844 	arr_idx = cap / 32;
1845 	bit_idx = cap % 32;
1846 	bitmap[arr_idx] &= ~(1 << bit_idx);
1847 }
1848 
1849 int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn)
1850 {
1851 	struct wcn36xx_hal_feat_caps_msg msg_body, *rsp;
1852 	int ret = 0, i;
1853 
1854 	mutex_lock(&wcn->hal_mutex);
1855 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_REQ);
1856 
1857 	set_feat_caps(msg_body.feat_caps, STA_POWERSAVE);
1858 
1859 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1860 
1861 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1862 	if (ret) {
1863 		wcn36xx_err("Sending hal_feature_caps_exchange failed\n");
1864 		goto out;
1865 	}
1866 	if (wcn->hal_rsp_len != sizeof(*rsp)) {
1867 		wcn36xx_err("Invalid hal_feature_caps_exchange response");
1868 		goto out;
1869 	}
1870 
1871 	rsp = (struct wcn36xx_hal_feat_caps_msg *) wcn->hal_buf;
1872 
1873 	for (i = 0; i < WCN36XX_HAL_CAPS_SIZE; i++)
1874 		wcn->fw_feat_caps[i] = rsp->feat_caps[i];
1875 out:
1876 	mutex_unlock(&wcn->hal_mutex);
1877 	return ret;
1878 }
1879 
1880 int wcn36xx_smd_add_ba_session(struct wcn36xx *wcn,
1881 		struct ieee80211_sta *sta,
1882 		u16 tid,
1883 		u16 *ssn,
1884 		u8 direction,
1885 		u8 sta_index)
1886 {
1887 	struct wcn36xx_hal_add_ba_session_req_msg msg_body;
1888 	int ret = 0;
1889 
1890 	mutex_lock(&wcn->hal_mutex);
1891 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_SESSION_REQ);
1892 
1893 	msg_body.sta_index = sta_index;
1894 	memcpy(&msg_body.mac_addr, sta->addr, ETH_ALEN);
1895 	msg_body.dialog_token = 0x10;
1896 	msg_body.tid = tid;
1897 
1898 	/* Immediate BA because Delayed BA is not supported */
1899 	msg_body.policy = 1;
1900 	msg_body.buffer_size = WCN36XX_AGGR_BUFFER_SIZE;
1901 	msg_body.timeout = 0;
1902 	if (ssn)
1903 		msg_body.ssn = *ssn;
1904 	msg_body.direction = direction;
1905 
1906 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1907 
1908 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1909 	if (ret) {
1910 		wcn36xx_err("Sending hal_add_ba_session failed\n");
1911 		goto out;
1912 	}
1913 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1914 	if (ret) {
1915 		wcn36xx_err("hal_add_ba_session response failed err=%d\n", ret);
1916 		goto out;
1917 	}
1918 out:
1919 	mutex_unlock(&wcn->hal_mutex);
1920 	return ret;
1921 }
1922 
1923 int wcn36xx_smd_add_ba(struct wcn36xx *wcn)
1924 {
1925 	struct wcn36xx_hal_add_ba_req_msg msg_body;
1926 	int ret = 0;
1927 
1928 	mutex_lock(&wcn->hal_mutex);
1929 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_REQ);
1930 
1931 	msg_body.session_id = 0;
1932 	msg_body.win_size = WCN36XX_AGGR_BUFFER_SIZE;
1933 
1934 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1935 
1936 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1937 	if (ret) {
1938 		wcn36xx_err("Sending hal_add_ba failed\n");
1939 		goto out;
1940 	}
1941 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1942 	if (ret) {
1943 		wcn36xx_err("hal_add_ba response failed err=%d\n", ret);
1944 		goto out;
1945 	}
1946 out:
1947 	mutex_unlock(&wcn->hal_mutex);
1948 	return ret;
1949 }
1950 
1951 int wcn36xx_smd_del_ba(struct wcn36xx *wcn, u16 tid, u8 sta_index)
1952 {
1953 	struct wcn36xx_hal_del_ba_req_msg msg_body;
1954 	int ret = 0;
1955 
1956 	mutex_lock(&wcn->hal_mutex);
1957 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_BA_REQ);
1958 
1959 	msg_body.sta_index = sta_index;
1960 	msg_body.tid = tid;
1961 	msg_body.direction = 0;
1962 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
1963 
1964 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
1965 	if (ret) {
1966 		wcn36xx_err("Sending hal_del_ba failed\n");
1967 		goto out;
1968 	}
1969 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
1970 	if (ret) {
1971 		wcn36xx_err("hal_del_ba response failed err=%d\n", ret);
1972 		goto out;
1973 	}
1974 out:
1975 	mutex_unlock(&wcn->hal_mutex);
1976 	return ret;
1977 }
1978 
1979 static int wcn36xx_smd_trigger_ba_rsp(void *buf, int len)
1980 {
1981 	struct wcn36xx_hal_trigger_ba_rsp_msg *rsp;
1982 
1983 	if (len < sizeof(*rsp))
1984 		return -EINVAL;
1985 
1986 	rsp = (struct wcn36xx_hal_trigger_ba_rsp_msg *) buf;
1987 	return rsp->status;
1988 }
1989 
1990 int wcn36xx_smd_trigger_ba(struct wcn36xx *wcn, u8 sta_index)
1991 {
1992 	struct wcn36xx_hal_trigger_ba_req_msg msg_body;
1993 	struct wcn36xx_hal_trigger_ba_req_candidate *candidate;
1994 	int ret = 0;
1995 
1996 	mutex_lock(&wcn->hal_mutex);
1997 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_TRIGGER_BA_REQ);
1998 
1999 	msg_body.session_id = 0;
2000 	msg_body.candidate_cnt = 1;
2001 	msg_body.header.len += sizeof(*candidate);
2002 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
2003 
2004 	candidate = (struct wcn36xx_hal_trigger_ba_req_candidate *)
2005 		(wcn->hal_buf + sizeof(msg_body));
2006 	candidate->sta_index = sta_index;
2007 	candidate->tid_bitmap = 1;
2008 
2009 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
2010 	if (ret) {
2011 		wcn36xx_err("Sending hal_trigger_ba failed\n");
2012 		goto out;
2013 	}
2014 	ret = wcn36xx_smd_trigger_ba_rsp(wcn->hal_buf, wcn->hal_rsp_len);
2015 	if (ret) {
2016 		wcn36xx_err("hal_trigger_ba response failed err=%d\n", ret);
2017 		goto out;
2018 	}
2019 out:
2020 	mutex_unlock(&wcn->hal_mutex);
2021 	return ret;
2022 }
2023 
2024 static int wcn36xx_smd_tx_compl_ind(struct wcn36xx *wcn, void *buf, size_t len)
2025 {
2026 	struct wcn36xx_hal_tx_compl_ind_msg *rsp = buf;
2027 
2028 	if (len != sizeof(*rsp)) {
2029 		wcn36xx_warn("Bad TX complete indication\n");
2030 		return -EIO;
2031 	}
2032 
2033 	wcn36xx_dxe_tx_ack_ind(wcn, rsp->status);
2034 
2035 	return 0;
2036 }
2037 
2038 static int wcn36xx_smd_missed_beacon_ind(struct wcn36xx *wcn,
2039 					 void *buf,
2040 					 size_t len)
2041 {
2042 	struct wcn36xx_hal_missed_beacon_ind_msg *rsp = buf;
2043 	struct ieee80211_vif *vif = NULL;
2044 	struct wcn36xx_vif *tmp;
2045 
2046 	/* Old FW does not have bss index */
2047 	if (wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
2048 		list_for_each_entry(tmp, &wcn->vif_list, list) {
2049 			wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n",
2050 				    tmp->bss_index);
2051 			vif = wcn36xx_priv_to_vif(tmp);
2052 			ieee80211_connection_loss(vif);
2053 		}
2054 		return 0;
2055 	}
2056 
2057 	if (len != sizeof(*rsp)) {
2058 		wcn36xx_warn("Corrupted missed beacon indication\n");
2059 		return -EIO;
2060 	}
2061 
2062 	list_for_each_entry(tmp, &wcn->vif_list, list) {
2063 		if (tmp->bss_index == rsp->bss_index) {
2064 			wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n",
2065 				    rsp->bss_index);
2066 			vif = wcn36xx_priv_to_vif(tmp);
2067 			ieee80211_connection_loss(vif);
2068 			return 0;
2069 		}
2070 	}
2071 
2072 	wcn36xx_warn("BSS index %d not found\n", rsp->bss_index);
2073 	return -ENOENT;
2074 }
2075 
2076 static int wcn36xx_smd_delete_sta_context_ind(struct wcn36xx *wcn,
2077 					      void *buf,
2078 					      size_t len)
2079 {
2080 	struct wcn36xx_hal_delete_sta_context_ind_msg *rsp = buf;
2081 	struct wcn36xx_vif *tmp;
2082 	struct ieee80211_sta *sta;
2083 
2084 	if (len != sizeof(*rsp)) {
2085 		wcn36xx_warn("Corrupted delete sta indication\n");
2086 		return -EIO;
2087 	}
2088 
2089 	wcn36xx_dbg(WCN36XX_DBG_HAL, "delete station indication %pM index %d\n",
2090 		    rsp->addr2, rsp->sta_id);
2091 
2092 	list_for_each_entry(tmp, &wcn->vif_list, list) {
2093 		rcu_read_lock();
2094 		sta = ieee80211_find_sta(wcn36xx_priv_to_vif(tmp), rsp->addr2);
2095 		if (sta)
2096 			ieee80211_report_low_ack(sta, 0);
2097 		rcu_read_unlock();
2098 		if (sta)
2099 			return 0;
2100 	}
2101 
2102 	wcn36xx_warn("STA with addr %pM and index %d not found\n",
2103 		     rsp->addr2,
2104 		     rsp->sta_id);
2105 	return -ENOENT;
2106 }
2107 
2108 int wcn36xx_smd_update_cfg(struct wcn36xx *wcn, u32 cfg_id, u32 value)
2109 {
2110 	struct wcn36xx_hal_update_cfg_req_msg msg_body, *body;
2111 	size_t len;
2112 	int ret = 0;
2113 
2114 	mutex_lock(&wcn->hal_mutex);
2115 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_CFG_REQ);
2116 
2117 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
2118 
2119 	body = (struct wcn36xx_hal_update_cfg_req_msg *) wcn->hal_buf;
2120 	len = msg_body.header.len;
2121 
2122 	put_cfg_tlv_u32(wcn, &len, cfg_id, value);
2123 	body->header.len = len;
2124 	body->len = len - sizeof(*body);
2125 
2126 	ret = wcn36xx_smd_send_and_wait(wcn, body->header.len);
2127 	if (ret) {
2128 		wcn36xx_err("Sending hal_update_cfg failed\n");
2129 		goto out;
2130 	}
2131 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
2132 	if (ret) {
2133 		wcn36xx_err("hal_update_cfg response failed err=%d\n", ret);
2134 		goto out;
2135 	}
2136 out:
2137 	mutex_unlock(&wcn->hal_mutex);
2138 	return ret;
2139 }
2140 
2141 int wcn36xx_smd_set_mc_list(struct wcn36xx *wcn,
2142 			    struct ieee80211_vif *vif,
2143 			    struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp)
2144 {
2145 	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
2146 	struct wcn36xx_hal_rcv_flt_pkt_set_mc_list_req_msg *msg_body = NULL;
2147 	int ret = 0;
2148 
2149 	mutex_lock(&wcn->hal_mutex);
2150 
2151 	msg_body = (struct wcn36xx_hal_rcv_flt_pkt_set_mc_list_req_msg *)
2152 		   wcn->hal_buf;
2153 	init_hal_msg(&msg_body->header, WCN36XX_HAL_8023_MULTICAST_LIST_REQ,
2154 		     sizeof(msg_body->mc_addr_list));
2155 
2156 	/* An empty list means all mc traffic will be received */
2157 	if (fp)
2158 		memcpy(&msg_body->mc_addr_list, fp,
2159 		       sizeof(msg_body->mc_addr_list));
2160 	else
2161 		msg_body->mc_addr_list.mc_addr_count = 0;
2162 
2163 	msg_body->mc_addr_list.bss_index = vif_priv->bss_index;
2164 
2165 	ret = wcn36xx_smd_send_and_wait(wcn, msg_body->header.len);
2166 	if (ret) {
2167 		wcn36xx_err("Sending HAL_8023_MULTICAST_LIST failed\n");
2168 		goto out;
2169 	}
2170 	ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
2171 	if (ret) {
2172 		wcn36xx_err("HAL_8023_MULTICAST_LIST rsp failed err=%d\n", ret);
2173 		goto out;
2174 	}
2175 out:
2176 	mutex_unlock(&wcn->hal_mutex);
2177 	return ret;
2178 }
2179 
2180 static void wcn36xx_smd_rsp_process(struct wcn36xx *wcn, void *buf, size_t len)
2181 {
2182 	struct wcn36xx_hal_msg_header *msg_header = buf;
2183 	struct wcn36xx_hal_ind_msg *msg_ind;
2184 	wcn36xx_dbg_dump(WCN36XX_DBG_SMD_DUMP, "SMD <<< ", buf, len);
2185 
2186 	switch (msg_header->msg_type) {
2187 	case WCN36XX_HAL_START_RSP:
2188 	case WCN36XX_HAL_CONFIG_STA_RSP:
2189 	case WCN36XX_HAL_CONFIG_BSS_RSP:
2190 	case WCN36XX_HAL_ADD_STA_SELF_RSP:
2191 	case WCN36XX_HAL_STOP_RSP:
2192 	case WCN36XX_HAL_DEL_STA_SELF_RSP:
2193 	case WCN36XX_HAL_DELETE_STA_RSP:
2194 	case WCN36XX_HAL_INIT_SCAN_RSP:
2195 	case WCN36XX_HAL_START_SCAN_RSP:
2196 	case WCN36XX_HAL_END_SCAN_RSP:
2197 	case WCN36XX_HAL_FINISH_SCAN_RSP:
2198 	case WCN36XX_HAL_DOWNLOAD_NV_RSP:
2199 	case WCN36XX_HAL_DELETE_BSS_RSP:
2200 	case WCN36XX_HAL_SEND_BEACON_RSP:
2201 	case WCN36XX_HAL_SET_LINK_ST_RSP:
2202 	case WCN36XX_HAL_UPDATE_PROBE_RSP_TEMPLATE_RSP:
2203 	case WCN36XX_HAL_SET_BSSKEY_RSP:
2204 	case WCN36XX_HAL_SET_STAKEY_RSP:
2205 	case WCN36XX_HAL_RMV_STAKEY_RSP:
2206 	case WCN36XX_HAL_RMV_BSSKEY_RSP:
2207 	case WCN36XX_HAL_ENTER_BMPS_RSP:
2208 	case WCN36XX_HAL_SET_POWER_PARAMS_RSP:
2209 	case WCN36XX_HAL_EXIT_BMPS_RSP:
2210 	case WCN36XX_HAL_KEEP_ALIVE_RSP:
2211 	case WCN36XX_HAL_DUMP_COMMAND_RSP:
2212 	case WCN36XX_HAL_ADD_BA_SESSION_RSP:
2213 	case WCN36XX_HAL_ADD_BA_RSP:
2214 	case WCN36XX_HAL_DEL_BA_RSP:
2215 	case WCN36XX_HAL_TRIGGER_BA_RSP:
2216 	case WCN36XX_HAL_UPDATE_CFG_RSP:
2217 	case WCN36XX_HAL_JOIN_RSP:
2218 	case WCN36XX_HAL_UPDATE_SCAN_PARAM_RSP:
2219 	case WCN36XX_HAL_CH_SWITCH_RSP:
2220 	case WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_RSP:
2221 	case WCN36XX_HAL_8023_MULTICAST_LIST_RSP:
2222 		memcpy(wcn->hal_buf, buf, len);
2223 		wcn->hal_rsp_len = len;
2224 		complete(&wcn->hal_rsp_compl);
2225 		break;
2226 
2227 	case WCN36XX_HAL_COEX_IND:
2228 	case WCN36XX_HAL_AVOID_FREQ_RANGE_IND:
2229 	case WCN36XX_HAL_OTA_TX_COMPL_IND:
2230 	case WCN36XX_HAL_MISSED_BEACON_IND:
2231 	case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
2232 		msg_ind = kmalloc(sizeof(*msg_ind), GFP_KERNEL);
2233 		if (!msg_ind)
2234 			goto nomem;
2235 		msg_ind->msg_len = len;
2236 		msg_ind->msg = kmemdup(buf, len, GFP_KERNEL);
2237 		if (!msg_ind->msg) {
2238 			kfree(msg_ind);
2239 nomem:
2240 			/*
2241 			 * FIXME: Do something smarter then just
2242 			 * printing an error.
2243 			 */
2244 			wcn36xx_err("Run out of memory while handling SMD_EVENT (%d)\n",
2245 				    msg_header->msg_type);
2246 			break;
2247 		}
2248 		mutex_lock(&wcn->hal_ind_mutex);
2249 		list_add_tail(&msg_ind->list, &wcn->hal_ind_queue);
2250 		queue_work(wcn->hal_ind_wq, &wcn->hal_ind_work);
2251 		mutex_unlock(&wcn->hal_ind_mutex);
2252 		wcn36xx_dbg(WCN36XX_DBG_HAL, "indication arrived\n");
2253 		break;
2254 	default:
2255 		wcn36xx_err("SMD_EVENT (%d) not supported\n",
2256 			      msg_header->msg_type);
2257 	}
2258 }
2259 static void wcn36xx_ind_smd_work(struct work_struct *work)
2260 {
2261 	struct wcn36xx *wcn =
2262 		container_of(work, struct wcn36xx, hal_ind_work);
2263 	struct wcn36xx_hal_msg_header *msg_header;
2264 	struct wcn36xx_hal_ind_msg *hal_ind_msg;
2265 
2266 	mutex_lock(&wcn->hal_ind_mutex);
2267 
2268 	hal_ind_msg = list_first_entry(&wcn->hal_ind_queue,
2269 				       struct wcn36xx_hal_ind_msg,
2270 				       list);
2271 
2272 	msg_header = (struct wcn36xx_hal_msg_header *)hal_ind_msg->msg;
2273 
2274 	switch (msg_header->msg_type) {
2275 	case WCN36XX_HAL_COEX_IND:
2276 	case WCN36XX_HAL_AVOID_FREQ_RANGE_IND:
2277 		break;
2278 	case WCN36XX_HAL_OTA_TX_COMPL_IND:
2279 		wcn36xx_smd_tx_compl_ind(wcn,
2280 					 hal_ind_msg->msg,
2281 					 hal_ind_msg->msg_len);
2282 		break;
2283 	case WCN36XX_HAL_MISSED_BEACON_IND:
2284 		wcn36xx_smd_missed_beacon_ind(wcn,
2285 					      hal_ind_msg->msg,
2286 					      hal_ind_msg->msg_len);
2287 		break;
2288 	case WCN36XX_HAL_DELETE_STA_CONTEXT_IND:
2289 		wcn36xx_smd_delete_sta_context_ind(wcn,
2290 						   hal_ind_msg->msg,
2291 						   hal_ind_msg->msg_len);
2292 		break;
2293 	default:
2294 		wcn36xx_err("SMD_EVENT (%d) not supported\n",
2295 			      msg_header->msg_type);
2296 	}
2297 	list_del(wcn->hal_ind_queue.next);
2298 	kfree(hal_ind_msg->msg);
2299 	kfree(hal_ind_msg);
2300 	mutex_unlock(&wcn->hal_ind_mutex);
2301 }
2302 int wcn36xx_smd_open(struct wcn36xx *wcn)
2303 {
2304 	int ret = 0;
2305 	wcn->hal_ind_wq = create_freezable_workqueue("wcn36xx_smd_ind");
2306 	if (!wcn->hal_ind_wq) {
2307 		wcn36xx_err("failed to allocate wq\n");
2308 		ret = -ENOMEM;
2309 		goto out;
2310 	}
2311 	INIT_WORK(&wcn->hal_ind_work, wcn36xx_ind_smd_work);
2312 	INIT_LIST_HEAD(&wcn->hal_ind_queue);
2313 	mutex_init(&wcn->hal_ind_mutex);
2314 
2315 	ret = wcn->ctrl_ops->open(wcn, wcn36xx_smd_rsp_process);
2316 	if (ret) {
2317 		wcn36xx_err("failed to open control channel\n");
2318 		goto free_wq;
2319 	}
2320 
2321 	return ret;
2322 
2323 free_wq:
2324 	destroy_workqueue(wcn->hal_ind_wq);
2325 out:
2326 	return ret;
2327 }
2328 
2329 void wcn36xx_smd_close(struct wcn36xx *wcn)
2330 {
2331 	wcn->ctrl_ops->close();
2332 	destroy_workqueue(wcn->hal_ind_wq);
2333 	mutex_destroy(&wcn->hal_ind_mutex);
2334 }
2335