xref: /openbmc/linux/drivers/net/wireless/ath/ath6kl/wmi.c (revision 0ce59445)
1 /*
2  * Copyright (c) 2004-2011 Atheros Communications Inc.
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
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #include <linux/ip.h>
18 #include "core.h"
19 #include "debug.h"
20 #include "testmode.h"
21 #include "../regd.h"
22 #include "../regd_common.h"
23 
24 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
25 
26 static const s32 wmi_rate_tbl[][2] = {
27 	/* {W/O SGI, with SGI} */
28 	{1000, 1000},
29 	{2000, 2000},
30 	{5500, 5500},
31 	{11000, 11000},
32 	{6000, 6000},
33 	{9000, 9000},
34 	{12000, 12000},
35 	{18000, 18000},
36 	{24000, 24000},
37 	{36000, 36000},
38 	{48000, 48000},
39 	{54000, 54000},
40 	{6500, 7200},
41 	{13000, 14400},
42 	{19500, 21700},
43 	{26000, 28900},
44 	{39000, 43300},
45 	{52000, 57800},
46 	{58500, 65000},
47 	{65000, 72200},
48 	{13500, 15000},
49 	{27000, 30000},
50 	{40500, 45000},
51 	{54000, 60000},
52 	{81000, 90000},
53 	{108000, 120000},
54 	{121500, 135000},
55 	{135000, 150000},
56 	{0, 0}
57 };
58 
59 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
60 static const u8 up_to_ac[] = {
61 	WMM_AC_BE,
62 	WMM_AC_BK,
63 	WMM_AC_BK,
64 	WMM_AC_BE,
65 	WMM_AC_VI,
66 	WMM_AC_VI,
67 	WMM_AC_VO,
68 	WMM_AC_VO,
69 };
70 
71 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
72 {
73 	if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
74 		return;
75 
76 	wmi->ep_id = ep_id;
77 }
78 
79 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
80 {
81 	return wmi->ep_id;
82 }
83 
84 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
85 {
86 	struct ath6kl_vif *vif, *found = NULL;
87 
88 	if (WARN_ON(if_idx > (MAX_NUM_VIF - 1)))
89 		return NULL;
90 
91 	/* FIXME: Locking */
92 	spin_lock(&ar->list_lock);
93 	list_for_each_entry(vif, &ar->vif_list, list) {
94 		if (vif->fw_vif_idx == if_idx) {
95 			found = vif;
96 			break;
97 		}
98 	}
99 	spin_unlock(&ar->list_lock);
100 
101 	return found;
102 }
103 
104 /*  Performs DIX to 802.3 encapsulation for transmit packets.
105  *  Assumes the entire DIX header is contigous and that there is
106  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
107  */
108 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
109 {
110 	struct ath6kl_llc_snap_hdr *llc_hdr;
111 	struct ethhdr *eth_hdr;
112 	size_t new_len;
113 	__be16 type;
114 	u8 *datap;
115 	u16 size;
116 
117 	if (WARN_ON(skb == NULL))
118 		return -EINVAL;
119 
120 	size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
121 	if (skb_headroom(skb) < size)
122 		return -ENOMEM;
123 
124 	eth_hdr = (struct ethhdr *) skb->data;
125 	type = eth_hdr->h_proto;
126 
127 	if (!is_ethertype(be16_to_cpu(type))) {
128 		ath6kl_dbg(ATH6KL_DBG_WMI,
129 			"%s: pkt is already in 802.3 format\n", __func__);
130 		return 0;
131 	}
132 
133 	new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
134 
135 	skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
136 	datap = skb->data;
137 
138 	eth_hdr->h_proto = cpu_to_be16(new_len);
139 
140 	memcpy(datap, eth_hdr, sizeof(*eth_hdr));
141 
142 	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
143 	llc_hdr->dsap = 0xAA;
144 	llc_hdr->ssap = 0xAA;
145 	llc_hdr->cntl = 0x03;
146 	llc_hdr->org_code[0] = 0x0;
147 	llc_hdr->org_code[1] = 0x0;
148 	llc_hdr->org_code[2] = 0x0;
149 	llc_hdr->eth_type = type;
150 
151 	return 0;
152 }
153 
154 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
155 			       u8 *version, void *tx_meta_info)
156 {
157 	struct wmi_tx_meta_v1 *v1;
158 	struct wmi_tx_meta_v2 *v2;
159 
160 	if (WARN_ON(skb == NULL || version == NULL))
161 		return -EINVAL;
162 
163 	switch (*version) {
164 	case WMI_META_VERSION_1:
165 		skb_push(skb, WMI_MAX_TX_META_SZ);
166 		v1 = (struct wmi_tx_meta_v1 *) skb->data;
167 		v1->pkt_id = 0;
168 		v1->rate_plcy_id = 0;
169 		*version = WMI_META_VERSION_1;
170 		break;
171 	case WMI_META_VERSION_2:
172 		skb_push(skb, WMI_MAX_TX_META_SZ);
173 		v2 = (struct wmi_tx_meta_v2 *) skb->data;
174 		memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
175 		       sizeof(struct wmi_tx_meta_v2));
176 		break;
177 	}
178 
179 	return 0;
180 }
181 
182 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
183 			    u8 msg_type, bool more_data,
184 			    enum wmi_data_hdr_data_type data_type,
185 			    u8 meta_ver, void *tx_meta_info, u8 if_idx)
186 {
187 	struct wmi_data_hdr *data_hdr;
188 	int ret;
189 
190 	if (WARN_ON(skb == NULL || (if_idx > MAX_NUM_VIF - 1)))
191 		return -EINVAL;
192 
193 	if (tx_meta_info) {
194 		ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
195 		if (ret)
196 			return ret;
197 	}
198 
199 	skb_push(skb, sizeof(struct wmi_data_hdr));
200 
201 	data_hdr = (struct wmi_data_hdr *)skb->data;
202 	memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
203 
204 	data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
205 	data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
206 
207 	if (more_data)
208 		data_hdr->info |=
209 		    WMI_DATA_HDR_MORE_MASK << WMI_DATA_HDR_MORE_SHIFT;
210 
211 	data_hdr->info2 = cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
212 	data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
213 
214 	return 0;
215 }
216 
217 static u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
218 {
219 	struct iphdr *ip_hdr = (struct iphdr *) pkt;
220 	u8 ip_pri;
221 
222 	/*
223 	 * Determine IPTOS priority
224 	 *
225 	 * IP-TOS - 8bits
226 	 *          : DSCP(6-bits) ECN(2-bits)
227 	 *          : DSCP - P2 P1 P0 X X X
228 	 * where (P2 P1 P0) form 802.1D
229 	 */
230 	ip_pri = ip_hdr->tos >> 5;
231 	ip_pri &= 0x7;
232 
233 	if ((layer2_pri & 0x7) > ip_pri)
234 		return (u8) layer2_pri & 0x7;
235 	else
236 		return ip_pri;
237 }
238 
239 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
240 				       struct sk_buff *skb,
241 				       u32 layer2_priority, bool wmm_enabled,
242 				       u8 *ac)
243 {
244 	struct wmi_data_hdr *data_hdr;
245 	struct ath6kl_llc_snap_hdr *llc_hdr;
246 	struct wmi_create_pstream_cmd cmd;
247 	u32 meta_size, hdr_size;
248 	u16 ip_type = IP_ETHERTYPE;
249 	u8 stream_exist, usr_pri;
250 	u8 traffic_class = WMM_AC_BE;
251 	u8 *datap;
252 
253 	if (WARN_ON(skb == NULL))
254 		return -EINVAL;
255 
256 	datap = skb->data;
257 	data_hdr = (struct wmi_data_hdr *) datap;
258 
259 	meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
260 		     WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
261 
262 	if (!wmm_enabled) {
263 		/* If WMM is disabled all traffic goes as BE traffic */
264 		usr_pri = 0;
265 	} else {
266 		hdr_size = sizeof(struct ethhdr);
267 
268 		llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
269 							 sizeof(struct
270 								wmi_data_hdr) +
271 							 meta_size + hdr_size);
272 
273 		if (llc_hdr->eth_type == htons(ip_type)) {
274 			/*
275 			 * Extract the endpoint info from the TOS field
276 			 * in the IP header.
277 			 */
278 			usr_pri =
279 			   ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
280 					sizeof(struct ath6kl_llc_snap_hdr),
281 					layer2_priority);
282 		} else
283 			usr_pri = layer2_priority & 0x7;
284 	}
285 
286 	/*
287 	 * workaround for WMM S5
288 	 *
289 	 * FIXME: wmi->traffic_class is always 100 so this test doesn't
290 	 * make sense
291 	 */
292 	if ((wmi->traffic_class == WMM_AC_VI) &&
293 	    ((usr_pri == 5) || (usr_pri == 4)))
294 		usr_pri = 1;
295 
296 	/* Convert user priority to traffic class */
297 	traffic_class = up_to_ac[usr_pri & 0x7];
298 
299 	wmi_data_hdr_set_up(data_hdr, usr_pri);
300 
301 	spin_lock_bh(&wmi->lock);
302 	stream_exist = wmi->fat_pipe_exist;
303 	spin_unlock_bh(&wmi->lock);
304 
305 	if (!(stream_exist & (1 << traffic_class))) {
306 		memset(&cmd, 0, sizeof(cmd));
307 		cmd.traffic_class = traffic_class;
308 		cmd.user_pri = usr_pri;
309 		cmd.inactivity_int =
310 			cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
311 		/* Implicit streams are created with TSID 0xFF */
312 		cmd.tsid = WMI_IMPLICIT_PSTREAM;
313 		ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
314 	}
315 
316 	*ac = traffic_class;
317 
318 	return 0;
319 }
320 
321 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
322 {
323 	struct ieee80211_hdr_3addr *pwh, wh;
324 	struct ath6kl_llc_snap_hdr *llc_hdr;
325 	struct ethhdr eth_hdr;
326 	u32 hdr_size;
327 	u8 *datap;
328 	__le16 sub_type;
329 
330 	if (WARN_ON(skb == NULL))
331 		return -EINVAL;
332 
333 	datap = skb->data;
334 	pwh = (struct ieee80211_hdr_3addr *) datap;
335 
336 	sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
337 
338 	memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
339 
340 	/* Strip off the 802.11 header */
341 	if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
342 		hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
343 				   sizeof(u32));
344 		skb_pull(skb, hdr_size);
345 	} else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
346 		skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
347 
348 	datap = skb->data;
349 	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
350 
351 	memset(&eth_hdr, 0, sizeof(eth_hdr));
352 	eth_hdr.h_proto = llc_hdr->eth_type;
353 
354 	switch ((le16_to_cpu(wh.frame_control)) &
355 		(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
356 	case 0:
357 		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
358 		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
359 		break;
360 	case IEEE80211_FCTL_TODS:
361 		memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
362 		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
363 		break;
364 	case IEEE80211_FCTL_FROMDS:
365 		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
366 		memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
367 		break;
368 	case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
369 		break;
370 	}
371 
372 	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
373 	skb_push(skb, sizeof(eth_hdr));
374 
375 	datap = skb->data;
376 
377 	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
378 
379 	return 0;
380 }
381 
382 /*
383  * Performs 802.3 to DIX encapsulation for received packets.
384  * Assumes the entire 802.3 header is contigous.
385  */
386 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
387 {
388 	struct ath6kl_llc_snap_hdr *llc_hdr;
389 	struct ethhdr eth_hdr;
390 	u8 *datap;
391 
392 	if (WARN_ON(skb == NULL))
393 		return -EINVAL;
394 
395 	datap = skb->data;
396 
397 	memcpy(&eth_hdr, datap, sizeof(eth_hdr));
398 
399 	llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
400 	eth_hdr.h_proto = llc_hdr->eth_type;
401 
402 	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
403 	datap = skb->data;
404 
405 	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
406 
407 	return 0;
408 }
409 
410 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
411 {
412 	struct tx_complete_msg_v1 *msg_v1;
413 	struct wmi_tx_complete_event *evt;
414 	int index;
415 	u16 size;
416 
417 	evt = (struct wmi_tx_complete_event *) datap;
418 
419 	ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
420 		   evt->num_msg, evt->msg_len, evt->msg_type);
421 
422 	if (!AR_DBG_LVL_CHECK(ATH6KL_DBG_WMI))
423 		return 0;
424 
425 	for (index = 0; index < evt->num_msg; index++) {
426 		size = sizeof(struct wmi_tx_complete_event) +
427 		    (index * sizeof(struct tx_complete_msg_v1));
428 		msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
429 
430 		ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
431 			   msg_v1->status, msg_v1->pkt_id,
432 			   msg_v1->rate_idx, msg_v1->ack_failures);
433 	}
434 
435 	return 0;
436 }
437 
438 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
439 					      int len, struct ath6kl_vif *vif)
440 {
441 	struct wmi_remain_on_chnl_event *ev;
442 	u32 freq;
443 	u32 dur;
444 	struct ieee80211_channel *chan;
445 	struct ath6kl *ar = wmi->parent_dev;
446 
447 	if (len < sizeof(*ev))
448 		return -EINVAL;
449 
450 	ev = (struct wmi_remain_on_chnl_event *) datap;
451 	freq = le32_to_cpu(ev->freq);
452 	dur = le32_to_cpu(ev->duration);
453 	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
454 		   freq, dur);
455 	chan = ieee80211_get_channel(ar->wiphy, freq);
456 	if (!chan) {
457 		ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: Unknown channel "
458 			   "(freq=%u)\n", freq);
459 		return -EINVAL;
460 	}
461 	cfg80211_ready_on_channel(vif->ndev, 1, chan, NL80211_CHAN_NO_HT,
462 				  dur, GFP_ATOMIC);
463 
464 	return 0;
465 }
466 
467 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
468 						     u8 *datap, int len,
469 						     struct ath6kl_vif *vif)
470 {
471 	struct wmi_cancel_remain_on_chnl_event *ev;
472 	u32 freq;
473 	u32 dur;
474 	struct ieee80211_channel *chan;
475 	struct ath6kl *ar = wmi->parent_dev;
476 
477 	if (len < sizeof(*ev))
478 		return -EINVAL;
479 
480 	ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
481 	freq = le32_to_cpu(ev->freq);
482 	dur = le32_to_cpu(ev->duration);
483 	ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: freq=%u dur=%u "
484 		   "status=%u\n", freq, dur, ev->status);
485 	chan = ieee80211_get_channel(ar->wiphy, freq);
486 	if (!chan) {
487 		ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: Unknown "
488 			   "channel (freq=%u)\n", freq);
489 		return -EINVAL;
490 	}
491 	cfg80211_remain_on_channel_expired(vif->ndev, 1, chan,
492 					   NL80211_CHAN_NO_HT, GFP_ATOMIC);
493 
494 	return 0;
495 }
496 
497 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
498 					 struct ath6kl_vif *vif)
499 {
500 	struct wmi_tx_status_event *ev;
501 	u32 id;
502 
503 	if (len < sizeof(*ev))
504 		return -EINVAL;
505 
506 	ev = (struct wmi_tx_status_event *) datap;
507 	id = le32_to_cpu(ev->id);
508 	ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
509 		   id, ev->ack_status);
510 	if (wmi->last_mgmt_tx_frame) {
511 		cfg80211_mgmt_tx_status(vif->ndev, id,
512 					wmi->last_mgmt_tx_frame,
513 					wmi->last_mgmt_tx_frame_len,
514 					!!ev->ack_status, GFP_ATOMIC);
515 		kfree(wmi->last_mgmt_tx_frame);
516 		wmi->last_mgmt_tx_frame = NULL;
517 		wmi->last_mgmt_tx_frame_len = 0;
518 	}
519 
520 	return 0;
521 }
522 
523 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
524 					    struct ath6kl_vif *vif)
525 {
526 	struct wmi_p2p_rx_probe_req_event *ev;
527 	u32 freq;
528 	u16 dlen;
529 
530 	if (len < sizeof(*ev))
531 		return -EINVAL;
532 
533 	ev = (struct wmi_p2p_rx_probe_req_event *) datap;
534 	freq = le32_to_cpu(ev->freq);
535 	dlen = le16_to_cpu(ev->len);
536 	if (datap + len < ev->data + dlen) {
537 		ath6kl_err("invalid wmi_p2p_rx_probe_req_event: "
538 			   "len=%d dlen=%u\n", len, dlen);
539 		return -EINVAL;
540 	}
541 	ath6kl_dbg(ATH6KL_DBG_WMI, "rx_probe_req: len=%u freq=%u "
542 		   "probe_req_report=%d\n",
543 		   dlen, freq, vif->probe_req_report);
544 
545 	if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
546 		cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
547 
548 	return 0;
549 }
550 
551 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
552 {
553 	struct wmi_p2p_capabilities_event *ev;
554 	u16 dlen;
555 
556 	if (len < sizeof(*ev))
557 		return -EINVAL;
558 
559 	ev = (struct wmi_p2p_capabilities_event *) datap;
560 	dlen = le16_to_cpu(ev->len);
561 	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
562 
563 	return 0;
564 }
565 
566 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
567 					 struct ath6kl_vif *vif)
568 {
569 	struct wmi_rx_action_event *ev;
570 	u32 freq;
571 	u16 dlen;
572 
573 	if (len < sizeof(*ev))
574 		return -EINVAL;
575 
576 	ev = (struct wmi_rx_action_event *) datap;
577 	freq = le32_to_cpu(ev->freq);
578 	dlen = le16_to_cpu(ev->len);
579 	if (datap + len < ev->data + dlen) {
580 		ath6kl_err("invalid wmi_rx_action_event: "
581 			   "len=%d dlen=%u\n", len, dlen);
582 		return -EINVAL;
583 	}
584 	ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
585 	cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
586 
587 	return 0;
588 }
589 
590 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
591 {
592 	struct wmi_p2p_info_event *ev;
593 	u32 flags;
594 	u16 dlen;
595 
596 	if (len < sizeof(*ev))
597 		return -EINVAL;
598 
599 	ev = (struct wmi_p2p_info_event *) datap;
600 	flags = le32_to_cpu(ev->info_req_flags);
601 	dlen = le16_to_cpu(ev->len);
602 	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
603 
604 	if (flags & P2P_FLAG_CAPABILITIES_REQ) {
605 		struct wmi_p2p_capabilities *cap;
606 		if (dlen < sizeof(*cap))
607 			return -EINVAL;
608 		cap = (struct wmi_p2p_capabilities *) ev->data;
609 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
610 			   cap->go_power_save);
611 	}
612 
613 	if (flags & P2P_FLAG_MACADDR_REQ) {
614 		struct wmi_p2p_macaddr *mac;
615 		if (dlen < sizeof(*mac))
616 			return -EINVAL;
617 		mac = (struct wmi_p2p_macaddr *) ev->data;
618 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
619 			   mac->mac_addr);
620 	}
621 
622 	if (flags & P2P_FLAG_HMODEL_REQ) {
623 		struct wmi_p2p_hmodel *mod;
624 		if (dlen < sizeof(*mod))
625 			return -EINVAL;
626 		mod = (struct wmi_p2p_hmodel *) ev->data;
627 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
628 			   mod->p2p_model,
629 			   mod->p2p_model ? "host" : "firmware");
630 	}
631 	return 0;
632 }
633 
634 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
635 {
636 	struct sk_buff *skb;
637 
638 	skb = ath6kl_buf_alloc(size);
639 	if (!skb)
640 		return NULL;
641 
642 	skb_put(skb, size);
643 	if (size)
644 		memset(skb->data, 0, size);
645 
646 	return skb;
647 }
648 
649 /* Send a "simple" wmi command -- one with no arguments */
650 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
651 				 enum wmi_cmd_id cmd_id)
652 {
653 	struct sk_buff *skb;
654 	int ret;
655 
656 	skb = ath6kl_wmi_get_new_buf(0);
657 	if (!skb)
658 		return -ENOMEM;
659 
660 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
661 
662 	return ret;
663 }
664 
665 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
666 {
667 	struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
668 
669 	if (len < sizeof(struct wmi_ready_event_2))
670 		return -EINVAL;
671 
672 	ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
673 			   le32_to_cpu(ev->sw_version),
674 			   le32_to_cpu(ev->abi_version));
675 
676 	return 0;
677 }
678 
679 /*
680  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
681  * at which the station has to roam can be passed with
682  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
683  * in dBm.
684  */
685 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
686 {
687 	struct sk_buff *skb;
688 	struct roam_ctrl_cmd *cmd;
689 
690 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
691 	if (!skb)
692 		return -ENOMEM;
693 
694 	cmd = (struct roam_ctrl_cmd *) skb->data;
695 
696 	cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
697 	cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
698 						       DEF_SCAN_FOR_ROAM_INTVL);
699 	cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
700 	cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
701 	cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
702 
703 	ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
704 			    NO_SYNC_WMIFLAG);
705 
706 	return 0;
707 }
708 
709 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
710 {
711 	struct sk_buff *skb;
712 	struct roam_ctrl_cmd *cmd;
713 
714 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
715 	if (!skb)
716 		return -ENOMEM;
717 
718 	cmd = (struct roam_ctrl_cmd *) skb->data;
719 	memset(cmd, 0, sizeof(*cmd));
720 
721 	memcpy(cmd->info.bssid, bssid, ETH_ALEN);
722 	cmd->roam_ctrl = WMI_FORCE_ROAM;
723 
724 	ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
725 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
726 				   NO_SYNC_WMIFLAG);
727 }
728 
729 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
730 {
731 	struct sk_buff *skb;
732 	struct roam_ctrl_cmd *cmd;
733 
734 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
735 	if (!skb)
736 		return -ENOMEM;
737 
738 	cmd = (struct roam_ctrl_cmd *) skb->data;
739 	memset(cmd, 0, sizeof(*cmd));
740 
741 	cmd->info.roam_mode = mode;
742 	cmd->roam_ctrl = WMI_SET_ROAM_MODE;
743 
744 	ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
745 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
746 				   NO_SYNC_WMIFLAG);
747 }
748 
749 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
750 				       struct ath6kl_vif *vif)
751 {
752 	struct wmi_connect_event *ev;
753 	u8 *pie, *peie;
754 
755 	if (len < sizeof(struct wmi_connect_event))
756 		return -EINVAL;
757 
758 	ev = (struct wmi_connect_event *) datap;
759 
760 	if (vif->nw_type == AP_NETWORK) {
761 		/* AP mode start/STA connected event */
762 		struct net_device *dev = vif->ndev;
763 		if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
764 			ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM "
765 				   "(AP started)\n",
766 				   __func__, le16_to_cpu(ev->u.ap_bss.ch),
767 				   ev->u.ap_bss.bssid);
768 			ath6kl_connect_ap_mode_bss(
769 				vif, le16_to_cpu(ev->u.ap_bss.ch));
770 		} else {
771 			ath6kl_dbg(ATH6KL_DBG_WMI, "%s: aid %u mac_addr %pM "
772 				   "auth=%u keymgmt=%u cipher=%u apsd_info=%u "
773 				   "(STA connected)\n",
774 				   __func__, ev->u.ap_sta.aid,
775 				   ev->u.ap_sta.mac_addr,
776 				   ev->u.ap_sta.auth,
777 				   ev->u.ap_sta.keymgmt,
778 				   le16_to_cpu(ev->u.ap_sta.cipher),
779 				   ev->u.ap_sta.apsd_info);
780 			ath6kl_connect_ap_mode_sta(
781 				vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
782 				ev->u.ap_sta.keymgmt,
783 				le16_to_cpu(ev->u.ap_sta.cipher),
784 				ev->u.ap_sta.auth, ev->assoc_req_len,
785 				ev->assoc_info + ev->beacon_ie_len);
786 		}
787 		return 0;
788 	}
789 
790 	/* STA/IBSS mode connection event */
791 
792 	ath6kl_dbg(ATH6KL_DBG_WMI,
793 		   "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
794 		   le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
795 		   le16_to_cpu(ev->u.sta.listen_intvl),
796 		   le16_to_cpu(ev->u.sta.beacon_intvl),
797 		   le32_to_cpu(ev->u.sta.nw_type));
798 
799 	/* Start of assoc rsp IEs */
800 	pie = ev->assoc_info + ev->beacon_ie_len +
801 	      ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
802 
803 	/* End of assoc rsp IEs */
804 	peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
805 	    ev->assoc_resp_len;
806 
807 	while (pie < peie) {
808 		switch (*pie) {
809 		case WLAN_EID_VENDOR_SPECIFIC:
810 			if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
811 			    pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
812 				/* WMM OUT (00:50:F2) */
813 				if (pie[1] > 5
814 				    && pie[6] == WMM_PARAM_OUI_SUBTYPE)
815 					wmi->is_wmm_enabled = true;
816 			}
817 			break;
818 		}
819 
820 		if (wmi->is_wmm_enabled)
821 			break;
822 
823 		pie += pie[1] + 2;
824 	}
825 
826 	ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
827 			     ev->u.sta.bssid,
828 			     le16_to_cpu(ev->u.sta.listen_intvl),
829 			     le16_to_cpu(ev->u.sta.beacon_intvl),
830 			     le32_to_cpu(ev->u.sta.nw_type),
831 			     ev->beacon_ie_len, ev->assoc_req_len,
832 			     ev->assoc_resp_len, ev->assoc_info);
833 
834 	return 0;
835 }
836 
837 static struct country_code_to_enum_rd *
838 ath6kl_regd_find_country(u16 countryCode)
839 {
840 	int i;
841 
842 	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
843 		if (allCountries[i].countryCode == countryCode)
844 			return &allCountries[i];
845 	}
846 
847 	return NULL;
848 }
849 
850 static struct reg_dmn_pair_mapping *
851 ath6kl_get_regpair(u16 regdmn)
852 {
853 	int i;
854 
855 	if (regdmn == NO_ENUMRD)
856 		return NULL;
857 
858 	for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
859 		if (regDomainPairs[i].regDmnEnum == regdmn)
860 			return &regDomainPairs[i];
861 	}
862 
863 	return NULL;
864 }
865 
866 static struct country_code_to_enum_rd *
867 ath6kl_regd_find_country_by_rd(u16 regdmn)
868 {
869 	int i;
870 
871 	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
872 		if (allCountries[i].regDmnEnum == regdmn)
873 			return &allCountries[i];
874 	}
875 
876 	return NULL;
877 }
878 
879 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
880 {
881 
882 	struct ath6kl_wmi_regdomain *ev;
883 	struct country_code_to_enum_rd *country = NULL;
884 	struct reg_dmn_pair_mapping *regpair = NULL;
885 	char alpha2[2];
886 	u32 reg_code;
887 
888 	ev = (struct ath6kl_wmi_regdomain *) datap;
889 	reg_code = le32_to_cpu(ev->reg_code);
890 
891 	if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
892 		country = ath6kl_regd_find_country((u16) reg_code);
893 	else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
894 
895 		regpair = ath6kl_get_regpair((u16) reg_code);
896 		country = ath6kl_regd_find_country_by_rd((u16) reg_code);
897 		ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
898 				regpair->regDmnEnum);
899 	}
900 
901 	if (country) {
902 		alpha2[0] = country->isoName[0];
903 		alpha2[1] = country->isoName[1];
904 
905 		regulatory_hint(wmi->parent_dev->wiphy, alpha2);
906 
907 		ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
908 				alpha2[0], alpha2[1]);
909 	}
910 }
911 
912 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
913 					  struct ath6kl_vif *vif)
914 {
915 	struct wmi_disconnect_event *ev;
916 	wmi->traffic_class = 100;
917 
918 	if (len < sizeof(struct wmi_disconnect_event))
919 		return -EINVAL;
920 
921 	ev = (struct wmi_disconnect_event *) datap;
922 
923 	ath6kl_dbg(ATH6KL_DBG_WMI,
924 		   "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
925 		   le16_to_cpu(ev->proto_reason_status), ev->bssid,
926 		   ev->disconn_reason, ev->assoc_resp_len);
927 
928 	wmi->is_wmm_enabled = false;
929 
930 	ath6kl_disconnect_event(vif, ev->disconn_reason,
931 				ev->bssid, ev->assoc_resp_len, ev->assoc_info,
932 				le16_to_cpu(ev->proto_reason_status));
933 
934 	return 0;
935 }
936 
937 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
938 {
939 	struct wmi_peer_node_event *ev;
940 
941 	if (len < sizeof(struct wmi_peer_node_event))
942 		return -EINVAL;
943 
944 	ev = (struct wmi_peer_node_event *) datap;
945 
946 	if (ev->event_code == PEER_NODE_JOIN_EVENT)
947 		ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
948 			   ev->peer_mac_addr);
949 	else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
950 		ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
951 			   ev->peer_mac_addr);
952 
953 	return 0;
954 }
955 
956 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
957 					   struct ath6kl_vif *vif)
958 {
959 	struct wmi_tkip_micerr_event *ev;
960 
961 	if (len < sizeof(struct wmi_tkip_micerr_event))
962 		return -EINVAL;
963 
964 	ev = (struct wmi_tkip_micerr_event *) datap;
965 
966 	ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
967 
968 	return 0;
969 }
970 
971 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
972 				       struct ath6kl_vif *vif)
973 {
974 	struct wmi_bss_info_hdr2 *bih;
975 	u8 *buf;
976 	struct ieee80211_channel *channel;
977 	struct ath6kl *ar = wmi->parent_dev;
978 	struct ieee80211_mgmt *mgmt;
979 	struct cfg80211_bss *bss;
980 
981 	if (len <= sizeof(struct wmi_bss_info_hdr2))
982 		return -EINVAL;
983 
984 	bih = (struct wmi_bss_info_hdr2 *) datap;
985 	buf = datap + sizeof(struct wmi_bss_info_hdr2);
986 	len -= sizeof(struct wmi_bss_info_hdr2);
987 
988 	ath6kl_dbg(ATH6KL_DBG_WMI,
989 		   "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
990 		   "frame_type=%d\n",
991 		   bih->ch, bih->snr, bih->snr - 95, bih->bssid,
992 		   bih->frame_type);
993 
994 	if (bih->frame_type != BEACON_FTYPE &&
995 	    bih->frame_type != PROBERESP_FTYPE)
996 		return 0; /* Only update BSS table for now */
997 
998 	if (bih->frame_type == BEACON_FTYPE &&
999 	    test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1000 		clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1001 		ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1002 					 NONE_BSS_FILTER, 0);
1003 	}
1004 
1005 	channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1006 	if (channel == NULL)
1007 		return -EINVAL;
1008 
1009 	if (len < 8 + 2 + 2)
1010 		return -EINVAL;
1011 
1012 	if (bih->frame_type == BEACON_FTYPE && test_bit(CONNECTED, &vif->flags)
1013 	    && memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1014 		const u8 *tim;
1015 		tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1016 				       len - 8 - 2 - 2);
1017 		if (tim && tim[1] >= 2) {
1018 			vif->assoc_bss_dtim_period = tim[3];
1019 			set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1020 		}
1021 	}
1022 
1023 	/*
1024 	 * In theory, use of cfg80211_inform_bss() would be more natural here
1025 	 * since we do not have the full frame. However, at least for now,
1026 	 * cfg80211 can only distinguish Beacon and Probe Response frames from
1027 	 * each other when using cfg80211_inform_bss_frame(), so let's build a
1028 	 * fake IEEE 802.11 header to be able to take benefit of this.
1029 	 */
1030 	mgmt = kmalloc(24 + len, GFP_ATOMIC);
1031 	if (mgmt == NULL)
1032 		return -EINVAL;
1033 
1034 	if (bih->frame_type == BEACON_FTYPE) {
1035 		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1036 						  IEEE80211_STYPE_BEACON);
1037 		memset(mgmt->da, 0xff, ETH_ALEN);
1038 	} else {
1039 		struct net_device *dev = vif->ndev;
1040 
1041 		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1042 						  IEEE80211_STYPE_PROBE_RESP);
1043 		memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1044 	}
1045 	mgmt->duration = cpu_to_le16(0);
1046 	memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1047 	memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1048 	mgmt->seq_ctrl = cpu_to_le16(0);
1049 
1050 	memcpy(&mgmt->u.beacon, buf, len);
1051 
1052 	bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1053 					24 + len, (bih->snr - 95) * 100,
1054 					GFP_ATOMIC);
1055 	kfree(mgmt);
1056 	if (bss == NULL)
1057 		return -ENOMEM;
1058 	cfg80211_put_bss(bss);
1059 
1060 	return 0;
1061 }
1062 
1063 /* Inactivity timeout of a fatpipe(pstream) at the target */
1064 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1065 					       int len)
1066 {
1067 	struct wmi_pstream_timeout_event *ev;
1068 
1069 	if (len < sizeof(struct wmi_pstream_timeout_event))
1070 		return -EINVAL;
1071 
1072 	ev = (struct wmi_pstream_timeout_event *) datap;
1073 
1074 	/*
1075 	 * When the pstream (fat pipe == AC) timesout, it means there were
1076 	 * no thinStreams within this pstream & it got implicitly created
1077 	 * due to data flow on this AC. We start the inactivity timer only
1078 	 * for implicitly created pstream. Just reset the host state.
1079 	 */
1080 	spin_lock_bh(&wmi->lock);
1081 	wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1082 	wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1083 	spin_unlock_bh(&wmi->lock);
1084 
1085 	/* Indicate inactivity to driver layer for this fatpipe (pstream) */
1086 	ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1087 
1088 	return 0;
1089 }
1090 
1091 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1092 {
1093 	struct wmi_bit_rate_reply *reply;
1094 	s32 rate;
1095 	u32 sgi, index;
1096 
1097 	if (len < sizeof(struct wmi_bit_rate_reply))
1098 		return -EINVAL;
1099 
1100 	reply = (struct wmi_bit_rate_reply *) datap;
1101 
1102 	ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1103 
1104 	if (reply->rate_index == (s8) RATE_AUTO) {
1105 		rate = RATE_AUTO;
1106 	} else {
1107 		index = reply->rate_index & 0x7f;
1108 		sgi = (reply->rate_index & 0x80) ? 1 : 0;
1109 		rate = wmi_rate_tbl[index][sgi];
1110 	}
1111 
1112 	ath6kl_wakeup_event(wmi->parent_dev);
1113 
1114 	return 0;
1115 }
1116 
1117 static int ath6kl_wmi_tcmd_test_report_rx(struct wmi *wmi, u8 *datap, int len)
1118 {
1119 	ath6kl_tm_rx_report_event(wmi->parent_dev, datap, len);
1120 
1121 	return 0;
1122 }
1123 
1124 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1125 {
1126 	if (len < sizeof(struct wmi_fix_rates_reply))
1127 		return -EINVAL;
1128 
1129 	ath6kl_wakeup_event(wmi->parent_dev);
1130 
1131 	return 0;
1132 }
1133 
1134 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1135 {
1136 	if (len < sizeof(struct wmi_channel_list_reply))
1137 		return -EINVAL;
1138 
1139 	ath6kl_wakeup_event(wmi->parent_dev);
1140 
1141 	return 0;
1142 }
1143 
1144 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1145 {
1146 	struct wmi_tx_pwr_reply *reply;
1147 
1148 	if (len < sizeof(struct wmi_tx_pwr_reply))
1149 		return -EINVAL;
1150 
1151 	reply = (struct wmi_tx_pwr_reply *) datap;
1152 	ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1153 
1154 	return 0;
1155 }
1156 
1157 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1158 {
1159 	if (len < sizeof(struct wmi_get_keepalive_cmd))
1160 		return -EINVAL;
1161 
1162 	ath6kl_wakeup_event(wmi->parent_dev);
1163 
1164 	return 0;
1165 }
1166 
1167 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1168 				       struct ath6kl_vif *vif)
1169 {
1170 	struct wmi_scan_complete_event *ev;
1171 
1172 	ev = (struct wmi_scan_complete_event *) datap;
1173 
1174 	ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1175 	wmi->is_probe_ssid = false;
1176 
1177 	return 0;
1178 }
1179 
1180 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1181 					       int len, struct ath6kl_vif *vif)
1182 {
1183 	struct wmi_neighbor_report_event *ev;
1184 	u8 i;
1185 
1186 	if (len < sizeof(*ev))
1187 		return -EINVAL;
1188 	ev = (struct wmi_neighbor_report_event *) datap;
1189 	if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1190 	    > len) {
1191 		ath6kl_dbg(ATH6KL_DBG_WMI, "truncated neighbor event "
1192 			   "(num=%d len=%d)\n", ev->num_neighbors, len);
1193 		return -EINVAL;
1194 	}
1195 	for (i = 0; i < ev->num_neighbors; i++) {
1196 		ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1197 			   i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1198 			   ev->neighbor[i].bss_flags);
1199 		cfg80211_pmksa_candidate_notify(vif->ndev, i,
1200 						ev->neighbor[i].bssid,
1201 						!!(ev->neighbor[i].bss_flags &
1202 						   WMI_PREAUTH_CAPABLE_BSS),
1203 						GFP_ATOMIC);
1204 	}
1205 
1206 	return 0;
1207 }
1208 
1209 /*
1210  * Target is reporting a programming error.  This is for
1211  * developer aid only.  Target only checks a few common violations
1212  * and it is responsibility of host to do all error checking.
1213  * Behavior of target after wmi error event is undefined.
1214  * A reset is recommended.
1215  */
1216 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1217 {
1218 	const char *type = "unknown error";
1219 	struct wmi_cmd_error_event *ev;
1220 	ev = (struct wmi_cmd_error_event *) datap;
1221 
1222 	switch (ev->err_code) {
1223 	case INVALID_PARAM:
1224 		type = "invalid parameter";
1225 		break;
1226 	case ILLEGAL_STATE:
1227 		type = "invalid state";
1228 		break;
1229 	case INTERNAL_ERROR:
1230 		type = "internal error";
1231 		break;
1232 	}
1233 
1234 	ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1235 		   ev->cmd_id, type);
1236 
1237 	return 0;
1238 }
1239 
1240 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1241 				     struct ath6kl_vif *vif)
1242 {
1243 	ath6kl_tgt_stats_event(vif, datap, len);
1244 
1245 	return 0;
1246 }
1247 
1248 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1249 					 struct sq_threshold_params *sq_thresh,
1250 					 u32 size)
1251 {
1252 	u32 index;
1253 	u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1254 
1255 	/* The list is already in sorted order. Get the next lower value */
1256 	for (index = 0; index < size; index++) {
1257 		if (rssi < sq_thresh->upper_threshold[index]) {
1258 			threshold = (u8) sq_thresh->upper_threshold[index];
1259 			break;
1260 		}
1261 	}
1262 
1263 	return threshold;
1264 }
1265 
1266 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1267 					 struct sq_threshold_params *sq_thresh,
1268 					 u32 size)
1269 {
1270 	u32 index;
1271 	u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1272 
1273 	/* The list is already in sorted order. Get the next lower value */
1274 	for (index = 0; index < size; index++) {
1275 		if (rssi > sq_thresh->lower_threshold[index]) {
1276 			threshold = (u8) sq_thresh->lower_threshold[index];
1277 			break;
1278 		}
1279 	}
1280 
1281 	return threshold;
1282 }
1283 
1284 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1285 			struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1286 {
1287 	struct sk_buff *skb;
1288 	struct wmi_rssi_threshold_params_cmd *cmd;
1289 
1290 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1291 	if (!skb)
1292 		return -ENOMEM;
1293 
1294 	cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1295 	memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1296 
1297 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1298 				   NO_SYNC_WMIFLAG);
1299 }
1300 
1301 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1302 					      int len)
1303 {
1304 	struct wmi_rssi_threshold_event *reply;
1305 	struct wmi_rssi_threshold_params_cmd cmd;
1306 	struct sq_threshold_params *sq_thresh;
1307 	enum wmi_rssi_threshold_val new_threshold;
1308 	u8 upper_rssi_threshold, lower_rssi_threshold;
1309 	s16 rssi;
1310 	int ret;
1311 
1312 	if (len < sizeof(struct wmi_rssi_threshold_event))
1313 		return -EINVAL;
1314 
1315 	reply = (struct wmi_rssi_threshold_event *) datap;
1316 	new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1317 	rssi = a_sle16_to_cpu(reply->rssi);
1318 
1319 	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1320 
1321 	/*
1322 	 * Identify the threshold breached and communicate that to the app.
1323 	 * After that install a new set of thresholds based on the signal
1324 	 * quality reported by the target
1325 	 */
1326 	if (new_threshold) {
1327 		/* Upper threshold breached */
1328 		if (rssi < sq_thresh->upper_threshold[0]) {
1329 			ath6kl_dbg(ATH6KL_DBG_WMI,
1330 				"spurious upper rssi threshold event: %d\n",
1331 				rssi);
1332 		} else if ((rssi < sq_thresh->upper_threshold[1]) &&
1333 			   (rssi >= sq_thresh->upper_threshold[0])) {
1334 			new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1335 		} else if ((rssi < sq_thresh->upper_threshold[2]) &&
1336 			   (rssi >= sq_thresh->upper_threshold[1])) {
1337 			new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1338 		} else if ((rssi < sq_thresh->upper_threshold[3]) &&
1339 			   (rssi >= sq_thresh->upper_threshold[2])) {
1340 			new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1341 		} else if ((rssi < sq_thresh->upper_threshold[4]) &&
1342 			   (rssi >= sq_thresh->upper_threshold[3])) {
1343 			new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1344 		} else if ((rssi < sq_thresh->upper_threshold[5]) &&
1345 			   (rssi >= sq_thresh->upper_threshold[4])) {
1346 			new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1347 		} else if (rssi >= sq_thresh->upper_threshold[5]) {
1348 			new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1349 		}
1350 	} else {
1351 		/* Lower threshold breached */
1352 		if (rssi > sq_thresh->lower_threshold[0]) {
1353 			ath6kl_dbg(ATH6KL_DBG_WMI,
1354 				"spurious lower rssi threshold event: %d %d\n",
1355 				rssi, sq_thresh->lower_threshold[0]);
1356 		} else if ((rssi > sq_thresh->lower_threshold[1]) &&
1357 			   (rssi <= sq_thresh->lower_threshold[0])) {
1358 			new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1359 		} else if ((rssi > sq_thresh->lower_threshold[2]) &&
1360 			   (rssi <= sq_thresh->lower_threshold[1])) {
1361 			new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1362 		} else if ((rssi > sq_thresh->lower_threshold[3]) &&
1363 			   (rssi <= sq_thresh->lower_threshold[2])) {
1364 			new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1365 		} else if ((rssi > sq_thresh->lower_threshold[4]) &&
1366 			   (rssi <= sq_thresh->lower_threshold[3])) {
1367 			new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1368 		} else if ((rssi > sq_thresh->lower_threshold[5]) &&
1369 			   (rssi <= sq_thresh->lower_threshold[4])) {
1370 			new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1371 		} else if (rssi <= sq_thresh->lower_threshold[5]) {
1372 			new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1373 		}
1374 	}
1375 
1376 	/* Calculate and install the next set of thresholds */
1377 	lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1378 				       sq_thresh->lower_threshold_valid_count);
1379 	upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1380 				       sq_thresh->upper_threshold_valid_count);
1381 
1382 	/* Issue a wmi command to install the thresholds */
1383 	cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1384 	cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1385 	cmd.weight = sq_thresh->weight;
1386 	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1387 
1388 	ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1389 	if (ret) {
1390 		ath6kl_err("unable to configure rssi thresholds\n");
1391 		return -EIO;
1392 	}
1393 
1394 	return 0;
1395 }
1396 
1397 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1398 				   struct ath6kl_vif *vif)
1399 {
1400 	struct wmi_cac_event *reply;
1401 	struct ieee80211_tspec_ie *ts;
1402 	u16 active_tsids, tsinfo;
1403 	u8 tsid, index;
1404 	u8 ts_id;
1405 
1406 	if (len < sizeof(struct wmi_cac_event))
1407 		return -EINVAL;
1408 
1409 	reply = (struct wmi_cac_event *) datap;
1410 
1411 	if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1412 	    (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1413 
1414 		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1415 		tsinfo = le16_to_cpu(ts->tsinfo);
1416 		tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1417 			IEEE80211_WMM_IE_TSPEC_TID_MASK;
1418 
1419 		ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1420 					      reply->ac, tsid);
1421 	} else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1422 		/*
1423 		 * Following assumes that there is only one outstanding
1424 		 * ADDTS request when this event is received
1425 		 */
1426 		spin_lock_bh(&wmi->lock);
1427 		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1428 		spin_unlock_bh(&wmi->lock);
1429 
1430 		for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1431 			if ((active_tsids >> index) & 1)
1432 				break;
1433 		}
1434 		if (index < (sizeof(active_tsids) * 8))
1435 			ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1436 						      reply->ac, index);
1437 	}
1438 
1439 	/*
1440 	 * Clear active tsids and Add missing handling
1441 	 * for delete qos stream from AP
1442 	 */
1443 	else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1444 
1445 		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1446 		tsinfo = le16_to_cpu(ts->tsinfo);
1447 		ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1448 			 IEEE80211_WMM_IE_TSPEC_TID_MASK);
1449 
1450 		spin_lock_bh(&wmi->lock);
1451 		wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1452 		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1453 		spin_unlock_bh(&wmi->lock);
1454 
1455 		/* Indicate stream inactivity to driver layer only if all tsids
1456 		 * within this AC are deleted.
1457 		 */
1458 		if (!active_tsids) {
1459 			ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1460 						    false);
1461 			wmi->fat_pipe_exist &= ~(1 << reply->ac);
1462 		}
1463 	}
1464 
1465 	return 0;
1466 }
1467 
1468 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1469 			struct wmi_snr_threshold_params_cmd *snr_cmd)
1470 {
1471 	struct sk_buff *skb;
1472 	struct wmi_snr_threshold_params_cmd *cmd;
1473 
1474 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1475 	if (!skb)
1476 		return -ENOMEM;
1477 
1478 	cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1479 	memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1480 
1481 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1482 				   NO_SYNC_WMIFLAG);
1483 }
1484 
1485 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1486 					     int len)
1487 {
1488 	struct wmi_snr_threshold_event *reply;
1489 	struct sq_threshold_params *sq_thresh;
1490 	struct wmi_snr_threshold_params_cmd cmd;
1491 	enum wmi_snr_threshold_val new_threshold;
1492 	u8 upper_snr_threshold, lower_snr_threshold;
1493 	s16 snr;
1494 	int ret;
1495 
1496 	if (len < sizeof(struct wmi_snr_threshold_event))
1497 		return -EINVAL;
1498 
1499 	reply = (struct wmi_snr_threshold_event *) datap;
1500 
1501 	new_threshold = (enum wmi_snr_threshold_val) reply->range;
1502 	snr = reply->snr;
1503 
1504 	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1505 
1506 	/*
1507 	 * Identify the threshold breached and communicate that to the app.
1508 	 * After that install a new set of thresholds based on the signal
1509 	 * quality reported by the target.
1510 	 */
1511 	if (new_threshold) {
1512 		/* Upper threshold breached */
1513 		if (snr < sq_thresh->upper_threshold[0]) {
1514 			ath6kl_dbg(ATH6KL_DBG_WMI,
1515 				"spurious upper snr threshold event: %d\n",
1516 				snr);
1517 		} else if ((snr < sq_thresh->upper_threshold[1]) &&
1518 			   (snr >= sq_thresh->upper_threshold[0])) {
1519 			new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1520 		} else if ((snr < sq_thresh->upper_threshold[2]) &&
1521 			   (snr >= sq_thresh->upper_threshold[1])) {
1522 			new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1523 		} else if ((snr < sq_thresh->upper_threshold[3]) &&
1524 			   (snr >= sq_thresh->upper_threshold[2])) {
1525 			new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1526 		} else if (snr >= sq_thresh->upper_threshold[3]) {
1527 			new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1528 		}
1529 	} else {
1530 		/* Lower threshold breached */
1531 		if (snr > sq_thresh->lower_threshold[0]) {
1532 			ath6kl_dbg(ATH6KL_DBG_WMI,
1533 				"spurious lower snr threshold event: %d\n",
1534 				sq_thresh->lower_threshold[0]);
1535 		} else if ((snr > sq_thresh->lower_threshold[1]) &&
1536 			   (snr <= sq_thresh->lower_threshold[0])) {
1537 			new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1538 		} else if ((snr > sq_thresh->lower_threshold[2]) &&
1539 			   (snr <= sq_thresh->lower_threshold[1])) {
1540 			new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1541 		} else if ((snr > sq_thresh->lower_threshold[3]) &&
1542 			   (snr <= sq_thresh->lower_threshold[2])) {
1543 			new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1544 		} else if (snr <= sq_thresh->lower_threshold[3]) {
1545 			new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1546 		}
1547 	}
1548 
1549 	/* Calculate and install the next set of thresholds */
1550 	lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1551 				       sq_thresh->lower_threshold_valid_count);
1552 	upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1553 				       sq_thresh->upper_threshold_valid_count);
1554 
1555 	/* Issue a wmi command to install the thresholds */
1556 	cmd.thresh_above1_val = upper_snr_threshold;
1557 	cmd.thresh_below1_val = lower_snr_threshold;
1558 	cmd.weight = sq_thresh->weight;
1559 	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1560 
1561 	ath6kl_dbg(ATH6KL_DBG_WMI,
1562 		   "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1563 		   snr, new_threshold,
1564 		   lower_snr_threshold, upper_snr_threshold);
1565 
1566 	ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1567 	if (ret) {
1568 		ath6kl_err("unable to configure snr threshold\n");
1569 		return -EIO;
1570 	}
1571 
1572 	return 0;
1573 }
1574 
1575 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1576 {
1577 	u16 ap_info_entry_size;
1578 	struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1579 	struct wmi_ap_info_v1 *ap_info_v1;
1580 	u8 index;
1581 
1582 	if (len < sizeof(struct wmi_aplist_event) ||
1583 	    ev->ap_list_ver != APLIST_VER1)
1584 		return -EINVAL;
1585 
1586 	ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1587 	ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1588 
1589 	ath6kl_dbg(ATH6KL_DBG_WMI,
1590 		   "number of APs in aplist event: %d\n", ev->num_ap);
1591 
1592 	if (len < (int) (sizeof(struct wmi_aplist_event) +
1593 			 (ev->num_ap - 1) * ap_info_entry_size))
1594 		return -EINVAL;
1595 
1596 	/* AP list version 1 contents */
1597 	for (index = 0; index < ev->num_ap; index++) {
1598 		ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1599 			   index, ap_info_v1->bssid, ap_info_v1->channel);
1600 		ap_info_v1++;
1601 	}
1602 
1603 	return 0;
1604 }
1605 
1606 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1607 			enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1608 {
1609 	struct wmi_cmd_hdr *cmd_hdr;
1610 	enum htc_endpoint_id ep_id = wmi->ep_id;
1611 	int ret;
1612 	u16 info1;
1613 
1614 	if (WARN_ON(skb == NULL || (if_idx > (MAX_NUM_VIF - 1))))
1615 		return -EINVAL;
1616 
1617 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1618 		   cmd_id, skb->len, sync_flag);
1619 	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1620 			skb->data, skb->len);
1621 
1622 	if (sync_flag >= END_WMIFLAG) {
1623 		dev_kfree_skb(skb);
1624 		return -EINVAL;
1625 	}
1626 
1627 	if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1628 	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1629 		/*
1630 		 * Make sure all data currently queued is transmitted before
1631 		 * the cmd execution.  Establish a new sync point.
1632 		 */
1633 		ath6kl_wmi_sync_point(wmi, if_idx);
1634 	}
1635 
1636 	skb_push(skb, sizeof(struct wmi_cmd_hdr));
1637 
1638 	cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1639 	cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1640 	info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1641 	cmd_hdr->info1 = cpu_to_le16(info1);
1642 
1643 	/* Only for OPT_TX_CMD, use BE endpoint. */
1644 	if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1645 		ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1646 					      false, false, 0, NULL, if_idx);
1647 		if (ret) {
1648 			dev_kfree_skb(skb);
1649 			return ret;
1650 		}
1651 		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1652 	}
1653 
1654 	ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1655 
1656 	if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1657 	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1658 		/*
1659 		 * Make sure all new data queued waits for the command to
1660 		 * execute. Establish a new sync point.
1661 		 */
1662 		ath6kl_wmi_sync_point(wmi, if_idx);
1663 	}
1664 
1665 	return 0;
1666 }
1667 
1668 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1669 			   enum network_type nw_type,
1670 			   enum dot11_auth_mode dot11_auth_mode,
1671 			   enum auth_mode auth_mode,
1672 			   enum crypto_type pairwise_crypto,
1673 			   u8 pairwise_crypto_len,
1674 			   enum crypto_type group_crypto,
1675 			   u8 group_crypto_len, int ssid_len, u8 *ssid,
1676 			   u8 *bssid, u16 channel, u32 ctrl_flags)
1677 {
1678 	struct sk_buff *skb;
1679 	struct wmi_connect_cmd *cc;
1680 	int ret;
1681 
1682 	ath6kl_dbg(ATH6KL_DBG_WMI,
1683 		   "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1684 		   "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1685 		   bssid, channel, ctrl_flags, ssid_len, nw_type,
1686 		   dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1687 	ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1688 
1689 	wmi->traffic_class = 100;
1690 
1691 	if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1692 		return -EINVAL;
1693 
1694 	if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1695 		return -EINVAL;
1696 
1697 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1698 	if (!skb)
1699 		return -ENOMEM;
1700 
1701 	cc = (struct wmi_connect_cmd *) skb->data;
1702 
1703 	if (ssid_len)
1704 		memcpy(cc->ssid, ssid, ssid_len);
1705 
1706 	cc->ssid_len = ssid_len;
1707 	cc->nw_type = nw_type;
1708 	cc->dot11_auth_mode = dot11_auth_mode;
1709 	cc->auth_mode = auth_mode;
1710 	cc->prwise_crypto_type = pairwise_crypto;
1711 	cc->prwise_crypto_len = pairwise_crypto_len;
1712 	cc->grp_crypto_type = group_crypto;
1713 	cc->grp_crypto_len = group_crypto_len;
1714 	cc->ch = cpu_to_le16(channel);
1715 	cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1716 
1717 	if (bssid != NULL)
1718 		memcpy(cc->bssid, bssid, ETH_ALEN);
1719 
1720 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1721 				  NO_SYNC_WMIFLAG);
1722 
1723 	return ret;
1724 }
1725 
1726 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1727 			     u16 channel)
1728 {
1729 	struct sk_buff *skb;
1730 	struct wmi_reconnect_cmd *cc;
1731 	int ret;
1732 
1733 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1734 		   bssid, channel);
1735 
1736 	wmi->traffic_class = 100;
1737 
1738 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1739 	if (!skb)
1740 		return -ENOMEM;
1741 
1742 	cc = (struct wmi_reconnect_cmd *) skb->data;
1743 	cc->channel = cpu_to_le16(channel);
1744 
1745 	if (bssid != NULL)
1746 		memcpy(cc->bssid, bssid, ETH_ALEN);
1747 
1748 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1749 				  NO_SYNC_WMIFLAG);
1750 
1751 	return ret;
1752 }
1753 
1754 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1755 {
1756 	int ret;
1757 
1758 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1759 
1760 	wmi->traffic_class = 100;
1761 
1762 	/* Disconnect command does not need to do a SYNC before. */
1763 	ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1764 
1765 	return ret;
1766 }
1767 
1768 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1769 			     enum wmi_scan_type scan_type,
1770 			     u32 force_fgscan, u32 is_legacy,
1771 			     u32 home_dwell_time, u32 force_scan_interval,
1772 			     s8 num_chan, u16 *ch_list)
1773 {
1774 	struct sk_buff *skb;
1775 	struct wmi_start_scan_cmd *sc;
1776 	s8 size;
1777 	int i, ret;
1778 
1779 	size = sizeof(struct wmi_start_scan_cmd);
1780 
1781 	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1782 		return -EINVAL;
1783 
1784 	if (num_chan > WMI_MAX_CHANNELS)
1785 		return -EINVAL;
1786 
1787 	if (num_chan)
1788 		size += sizeof(u16) * (num_chan - 1);
1789 
1790 	skb = ath6kl_wmi_get_new_buf(size);
1791 	if (!skb)
1792 		return -ENOMEM;
1793 
1794 	sc = (struct wmi_start_scan_cmd *) skb->data;
1795 	sc->scan_type = scan_type;
1796 	sc->force_fg_scan = cpu_to_le32(force_fgscan);
1797 	sc->is_legacy = cpu_to_le32(is_legacy);
1798 	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1799 	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1800 	sc->num_ch = num_chan;
1801 
1802 	for (i = 0; i < num_chan; i++)
1803 		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1804 
1805 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1806 				  NO_SYNC_WMIFLAG);
1807 
1808 	return ret;
1809 }
1810 
1811 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1812 			      u16 fg_start_sec,
1813 			      u16 fg_end_sec, u16 bg_sec,
1814 			      u16 minact_chdw_msec, u16 maxact_chdw_msec,
1815 			      u16 pas_chdw_msec, u8 short_scan_ratio,
1816 			      u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1817 			      u16 maxact_scan_per_ssid)
1818 {
1819 	struct sk_buff *skb;
1820 	struct wmi_scan_params_cmd *sc;
1821 	int ret;
1822 
1823 	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1824 	if (!skb)
1825 		return -ENOMEM;
1826 
1827 	sc = (struct wmi_scan_params_cmd *) skb->data;
1828 	sc->fg_start_period = cpu_to_le16(fg_start_sec);
1829 	sc->fg_end_period = cpu_to_le16(fg_end_sec);
1830 	sc->bg_period = cpu_to_le16(bg_sec);
1831 	sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1832 	sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1833 	sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1834 	sc->short_scan_ratio = short_scan_ratio;
1835 	sc->scan_ctrl_flags = scan_ctrl_flag;
1836 	sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1837 	sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1838 
1839 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1840 				  NO_SYNC_WMIFLAG);
1841 	return ret;
1842 }
1843 
1844 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1845 {
1846 	struct sk_buff *skb;
1847 	struct wmi_bss_filter_cmd *cmd;
1848 	int ret;
1849 
1850 	if (filter >= LAST_BSS_FILTER)
1851 		return -EINVAL;
1852 
1853 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1854 	if (!skb)
1855 		return -ENOMEM;
1856 
1857 	cmd = (struct wmi_bss_filter_cmd *) skb->data;
1858 	cmd->bss_filter = filter;
1859 	cmd->ie_mask = cpu_to_le32(ie_mask);
1860 
1861 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
1862 				  NO_SYNC_WMIFLAG);
1863 	return ret;
1864 }
1865 
1866 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
1867 			      u8 ssid_len, u8 *ssid)
1868 {
1869 	struct sk_buff *skb;
1870 	struct wmi_probed_ssid_cmd *cmd;
1871 	int ret;
1872 
1873 	if (index > MAX_PROBED_SSID_INDEX)
1874 		return -EINVAL;
1875 
1876 	if (ssid_len > sizeof(cmd->ssid))
1877 		return -EINVAL;
1878 
1879 	if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1880 		return -EINVAL;
1881 
1882 	if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1883 		return -EINVAL;
1884 
1885 	if (flag & SPECIFIC_SSID_FLAG)
1886 		wmi->is_probe_ssid = true;
1887 
1888 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1889 	if (!skb)
1890 		return -ENOMEM;
1891 
1892 	cmd = (struct wmi_probed_ssid_cmd *) skb->data;
1893 	cmd->entry_index = index;
1894 	cmd->flag = flag;
1895 	cmd->ssid_len = ssid_len;
1896 	memcpy(cmd->ssid, ssid, ssid_len);
1897 
1898 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
1899 				  NO_SYNC_WMIFLAG);
1900 	return ret;
1901 }
1902 
1903 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
1904 				  u16 listen_interval,
1905 				  u16 listen_beacons)
1906 {
1907 	struct sk_buff *skb;
1908 	struct wmi_listen_int_cmd *cmd;
1909 	int ret;
1910 
1911 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1912 	if (!skb)
1913 		return -ENOMEM;
1914 
1915 	cmd = (struct wmi_listen_int_cmd *) skb->data;
1916 	cmd->listen_intvl = cpu_to_le16(listen_interval);
1917 	cmd->num_beacons = cpu_to_le16(listen_beacons);
1918 
1919 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
1920 				  NO_SYNC_WMIFLAG);
1921 	return ret;
1922 }
1923 
1924 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
1925 {
1926 	struct sk_buff *skb;
1927 	struct wmi_power_mode_cmd *cmd;
1928 	int ret;
1929 
1930 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1931 	if (!skb)
1932 		return -ENOMEM;
1933 
1934 	cmd = (struct wmi_power_mode_cmd *) skb->data;
1935 	cmd->pwr_mode = pwr_mode;
1936 	wmi->pwr_mode = pwr_mode;
1937 
1938 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
1939 				  NO_SYNC_WMIFLAG);
1940 	return ret;
1941 }
1942 
1943 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
1944 			    u16 ps_poll_num, u16 dtim_policy,
1945 			    u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
1946 			    u16 ps_fail_event_policy)
1947 {
1948 	struct sk_buff *skb;
1949 	struct wmi_power_params_cmd *pm;
1950 	int ret;
1951 
1952 	skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
1953 	if (!skb)
1954 		return -ENOMEM;
1955 
1956 	pm = (struct wmi_power_params_cmd *)skb->data;
1957 	pm->idle_period = cpu_to_le16(idle_period);
1958 	pm->pspoll_number = cpu_to_le16(ps_poll_num);
1959 	pm->dtim_policy = cpu_to_le16(dtim_policy);
1960 	pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
1961 	pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
1962 	pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
1963 
1964 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
1965 				  NO_SYNC_WMIFLAG);
1966 	return ret;
1967 }
1968 
1969 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
1970 {
1971 	struct sk_buff *skb;
1972 	struct wmi_disc_timeout_cmd *cmd;
1973 	int ret;
1974 
1975 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1976 	if (!skb)
1977 		return -ENOMEM;
1978 
1979 	cmd = (struct wmi_disc_timeout_cmd *) skb->data;
1980 	cmd->discon_timeout = timeout;
1981 
1982 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
1983 				  NO_SYNC_WMIFLAG);
1984 
1985 	if (ret == 0)
1986 		ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
1987 
1988 	return ret;
1989 }
1990 
1991 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
1992 			  enum crypto_type key_type,
1993 			  u8 key_usage, u8 key_len,
1994 			  u8 *key_rsc, u8 *key_material,
1995 			  u8 key_op_ctrl, u8 *mac_addr,
1996 			  enum wmi_sync_flag sync_flag)
1997 {
1998 	struct sk_buff *skb;
1999 	struct wmi_add_cipher_key_cmd *cmd;
2000 	int ret;
2001 
2002 	ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
2003 		   "key_usage=%d key_len=%d key_op_ctrl=%d\n",
2004 		   key_index, key_type, key_usage, key_len, key_op_ctrl);
2005 
2006 	if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2007 	    (key_material == NULL))
2008 		return -EINVAL;
2009 
2010 	if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2011 		return -EINVAL;
2012 
2013 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2014 	if (!skb)
2015 		return -ENOMEM;
2016 
2017 	cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2018 	cmd->key_index = key_index;
2019 	cmd->key_type = key_type;
2020 	cmd->key_usage = key_usage;
2021 	cmd->key_len = key_len;
2022 	memcpy(cmd->key, key_material, key_len);
2023 
2024 	if (key_rsc != NULL)
2025 		memcpy(cmd->key_rsc, key_rsc, sizeof(cmd->key_rsc));
2026 
2027 	cmd->key_op_ctrl = key_op_ctrl;
2028 
2029 	if (mac_addr)
2030 		memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2031 
2032 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2033 				  sync_flag);
2034 
2035 	return ret;
2036 }
2037 
2038 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2039 {
2040 	struct sk_buff *skb;
2041 	struct wmi_add_krk_cmd *cmd;
2042 	int ret;
2043 
2044 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2045 	if (!skb)
2046 		return -ENOMEM;
2047 
2048 	cmd = (struct wmi_add_krk_cmd *) skb->data;
2049 	memcpy(cmd->krk, krk, WMI_KRK_LEN);
2050 
2051 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2052 				  NO_SYNC_WMIFLAG);
2053 
2054 	return ret;
2055 }
2056 
2057 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2058 {
2059 	struct sk_buff *skb;
2060 	struct wmi_delete_cipher_key_cmd *cmd;
2061 	int ret;
2062 
2063 	if (key_index > WMI_MAX_KEY_INDEX)
2064 		return -EINVAL;
2065 
2066 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2067 	if (!skb)
2068 		return -ENOMEM;
2069 
2070 	cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2071 	cmd->key_index = key_index;
2072 
2073 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2074 				  NO_SYNC_WMIFLAG);
2075 
2076 	return ret;
2077 }
2078 
2079 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2080 			    const u8 *pmkid, bool set)
2081 {
2082 	struct sk_buff *skb;
2083 	struct wmi_setpmkid_cmd *cmd;
2084 	int ret;
2085 
2086 	if (bssid == NULL)
2087 		return -EINVAL;
2088 
2089 	if (set && pmkid == NULL)
2090 		return -EINVAL;
2091 
2092 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2093 	if (!skb)
2094 		return -ENOMEM;
2095 
2096 	cmd = (struct wmi_setpmkid_cmd *) skb->data;
2097 	memcpy(cmd->bssid, bssid, ETH_ALEN);
2098 	if (set) {
2099 		memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2100 		cmd->enable = PMKID_ENABLE;
2101 	} else {
2102 		memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2103 		cmd->enable = PMKID_DISABLE;
2104 	}
2105 
2106 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2107 				  NO_SYNC_WMIFLAG);
2108 
2109 	return ret;
2110 }
2111 
2112 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2113 			      enum htc_endpoint_id ep_id, u8 if_idx)
2114 {
2115 	struct wmi_data_hdr *data_hdr;
2116 	int ret;
2117 
2118 	if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2119 		return -EINVAL;
2120 
2121 	skb_push(skb, sizeof(struct wmi_data_hdr));
2122 
2123 	data_hdr = (struct wmi_data_hdr *) skb->data;
2124 	data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2125 	data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2126 
2127 	ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2128 
2129 	return ret;
2130 }
2131 
2132 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2133 {
2134 	struct sk_buff *skb;
2135 	struct wmi_sync_cmd *cmd;
2136 	struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2137 	enum htc_endpoint_id ep_id;
2138 	u8 index, num_pri_streams = 0;
2139 	int ret = 0;
2140 
2141 	memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2142 
2143 	spin_lock_bh(&wmi->lock);
2144 
2145 	for (index = 0; index < WMM_NUM_AC; index++) {
2146 		if (wmi->fat_pipe_exist & (1 << index)) {
2147 			num_pri_streams++;
2148 			data_sync_bufs[num_pri_streams - 1].traffic_class =
2149 			    index;
2150 		}
2151 	}
2152 
2153 	spin_unlock_bh(&wmi->lock);
2154 
2155 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2156 	if (!skb) {
2157 		ret = -ENOMEM;
2158 		goto free_skb;
2159 	}
2160 
2161 	cmd = (struct wmi_sync_cmd *) skb->data;
2162 
2163 	/*
2164 	 * In the SYNC cmd sent on the control Ep, send a bitmap
2165 	 * of the data eps on which the Data Sync will be sent
2166 	 */
2167 	cmd->data_sync_map = wmi->fat_pipe_exist;
2168 
2169 	for (index = 0; index < num_pri_streams; index++) {
2170 		data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2171 		if (data_sync_bufs[index].skb == NULL) {
2172 			ret = -ENOMEM;
2173 			break;
2174 		}
2175 	}
2176 
2177 	/*
2178 	 * If buffer allocation for any of the dataSync fails,
2179 	 * then do not send the Synchronize cmd on the control ep
2180 	 */
2181 	if (ret)
2182 		goto free_skb;
2183 
2184 	/*
2185 	 * Send sync cmd followed by sync data messages on all
2186 	 * endpoints being used
2187 	 */
2188 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2189 				  NO_SYNC_WMIFLAG);
2190 
2191 	if (ret)
2192 		goto free_skb;
2193 
2194 	/* cmd buffer sent, we no longer own it */
2195 	skb = NULL;
2196 
2197 	for (index = 0; index < num_pri_streams; index++) {
2198 
2199 		if (WARN_ON(!data_sync_bufs[index].skb))
2200 			break;
2201 
2202 		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2203 					       data_sync_bufs[index].
2204 					       traffic_class);
2205 		ret =
2206 		    ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2207 					      ep_id, if_idx);
2208 
2209 		if (ret)
2210 			break;
2211 
2212 		data_sync_bufs[index].skb = NULL;
2213 	}
2214 
2215 free_skb:
2216 	/* free up any resources left over (possibly due to an error) */
2217 	if (skb)
2218 		dev_kfree_skb(skb);
2219 
2220 	for (index = 0; index < num_pri_streams; index++) {
2221 		if (data_sync_bufs[index].skb != NULL) {
2222 			dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2223 				      skb);
2224 		}
2225 	}
2226 
2227 	return ret;
2228 }
2229 
2230 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2231 				  struct wmi_create_pstream_cmd *params)
2232 {
2233 	struct sk_buff *skb;
2234 	struct wmi_create_pstream_cmd *cmd;
2235 	u8 fatpipe_exist_for_ac = 0;
2236 	s32 min_phy = 0;
2237 	s32 nominal_phy = 0;
2238 	int ret;
2239 
2240 	if (!((params->user_pri < 8) &&
2241 	      (params->user_pri <= 0x7) &&
2242 	      (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2243 	      (params->traffic_direc == UPLINK_TRAFFIC ||
2244 	       params->traffic_direc == DNLINK_TRAFFIC ||
2245 	       params->traffic_direc == BIDIR_TRAFFIC) &&
2246 	      (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2247 	       params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2248 	      (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2249 	       params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2250 	       params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2251 	      (params->tsid == WMI_IMPLICIT_PSTREAM ||
2252 	       params->tsid <= WMI_MAX_THINSTREAM))) {
2253 		return -EINVAL;
2254 	}
2255 
2256 	/*
2257 	 * Check nominal PHY rate is >= minimalPHY,
2258 	 * so that DUT can allow TSRS IE
2259 	 */
2260 
2261 	/* Get the physical rate (units of bps) */
2262 	min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2263 
2264 	/* Check minimal phy < nominal phy rate */
2265 	if (params->nominal_phy >= min_phy) {
2266 		/* unit of 500 kbps */
2267 		nominal_phy = (params->nominal_phy * 1000) / 500;
2268 		ath6kl_dbg(ATH6KL_DBG_WMI,
2269 			   "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2270 			   min_phy, nominal_phy);
2271 
2272 		params->nominal_phy = nominal_phy;
2273 	} else {
2274 		params->nominal_phy = 0;
2275 	}
2276 
2277 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2278 	if (!skb)
2279 		return -ENOMEM;
2280 
2281 	ath6kl_dbg(ATH6KL_DBG_WMI,
2282 		   "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2283 		   params->traffic_class, params->tsid);
2284 
2285 	cmd = (struct wmi_create_pstream_cmd *) skb->data;
2286 	memcpy(cmd, params, sizeof(*cmd));
2287 
2288 	/* This is an implicitly created Fat pipe */
2289 	if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2290 		spin_lock_bh(&wmi->lock);
2291 		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2292 					(1 << params->traffic_class));
2293 		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2294 		spin_unlock_bh(&wmi->lock);
2295 	} else {
2296 		/* explicitly created thin stream within a fat pipe */
2297 		spin_lock_bh(&wmi->lock);
2298 		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2299 					(1 << params->traffic_class));
2300 		wmi->stream_exist_for_ac[params->traffic_class] |=
2301 		    (1 << params->tsid);
2302 		/*
2303 		 * If a thinstream becomes active, the fat pipe automatically
2304 		 * becomes active
2305 		 */
2306 		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2307 		spin_unlock_bh(&wmi->lock);
2308 	}
2309 
2310 	/*
2311 	 * Indicate activty change to driver layer only if this is the
2312 	 * first TSID to get created in this AC explicitly or an implicit
2313 	 * fat pipe is getting created.
2314 	 */
2315 	if (!fatpipe_exist_for_ac)
2316 		ath6kl_indicate_tx_activity(wmi->parent_dev,
2317 					    params->traffic_class, true);
2318 
2319 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2320 				  NO_SYNC_WMIFLAG);
2321 	return ret;
2322 }
2323 
2324 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2325 				  u8 tsid)
2326 {
2327 	struct sk_buff *skb;
2328 	struct wmi_delete_pstream_cmd *cmd;
2329 	u16 active_tsids = 0;
2330 	int ret;
2331 
2332 	if (traffic_class > 3) {
2333 		ath6kl_err("invalid traffic class: %d\n", traffic_class);
2334 		return -EINVAL;
2335 	}
2336 
2337 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2338 	if (!skb)
2339 		return -ENOMEM;
2340 
2341 	cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2342 	cmd->traffic_class = traffic_class;
2343 	cmd->tsid = tsid;
2344 
2345 	spin_lock_bh(&wmi->lock);
2346 	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2347 	spin_unlock_bh(&wmi->lock);
2348 
2349 	if (!(active_tsids & (1 << tsid))) {
2350 		dev_kfree_skb(skb);
2351 		ath6kl_dbg(ATH6KL_DBG_WMI,
2352 			   "TSID %d doesn't exist for traffic class: %d\n",
2353 			   tsid, traffic_class);
2354 		return -ENODATA;
2355 	}
2356 
2357 	ath6kl_dbg(ATH6KL_DBG_WMI,
2358 		   "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2359 		   traffic_class, tsid);
2360 
2361 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2362 				  SYNC_BEFORE_WMIFLAG);
2363 
2364 	spin_lock_bh(&wmi->lock);
2365 	wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2366 	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2367 	spin_unlock_bh(&wmi->lock);
2368 
2369 	/*
2370 	 * Indicate stream inactivity to driver layer only if all tsids
2371 	 * within this AC are deleted.
2372 	 */
2373 	if (!active_tsids) {
2374 		ath6kl_indicate_tx_activity(wmi->parent_dev,
2375 					    traffic_class, false);
2376 		wmi->fat_pipe_exist &= ~(1 << traffic_class);
2377 	}
2378 
2379 	return ret;
2380 }
2381 
2382 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, struct wmi_set_ip_cmd *ip_cmd)
2383 {
2384 	struct sk_buff *skb;
2385 	struct wmi_set_ip_cmd *cmd;
2386 	int ret;
2387 
2388 	/* Multicast address are not valid */
2389 	if ((*((u8 *) &ip_cmd->ips[0]) >= 0xE0) ||
2390 	    (*((u8 *) &ip_cmd->ips[1]) >= 0xE0))
2391 		return -EINVAL;
2392 
2393 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2394 	if (!skb)
2395 		return -ENOMEM;
2396 
2397 	cmd = (struct wmi_set_ip_cmd *) skb->data;
2398 	memcpy(cmd, ip_cmd, sizeof(struct wmi_set_ip_cmd));
2399 
2400 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_IP_CMDID,
2401 				  NO_SYNC_WMIFLAG);
2402 	return ret;
2403 }
2404 
2405 static int ath6kl_wmi_get_wow_list_event_rx(struct wmi *wmi, u8 * datap,
2406 					    int len)
2407 {
2408 	if (len < sizeof(struct wmi_get_wow_list_reply))
2409 		return -EINVAL;
2410 
2411 	return 0;
2412 }
2413 
2414 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2415 				    enum wmix_command_id cmd_id,
2416 				    enum wmi_sync_flag sync_flag)
2417 {
2418 	struct wmix_cmd_hdr *cmd_hdr;
2419 	int ret;
2420 
2421 	skb_push(skb, sizeof(struct wmix_cmd_hdr));
2422 
2423 	cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2424 	cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2425 
2426 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2427 
2428 	return ret;
2429 }
2430 
2431 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2432 {
2433 	struct sk_buff *skb;
2434 	struct wmix_hb_challenge_resp_cmd *cmd;
2435 	int ret;
2436 
2437 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2438 	if (!skb)
2439 		return -ENOMEM;
2440 
2441 	cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2442 	cmd->cookie = cpu_to_le32(cookie);
2443 	cmd->source = cpu_to_le32(source);
2444 
2445 	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2446 				       NO_SYNC_WMIFLAG);
2447 	return ret;
2448 }
2449 
2450 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2451 {
2452 	struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2453 	struct sk_buff *skb;
2454 	int ret;
2455 
2456 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2457 	if (!skb)
2458 		return -ENOMEM;
2459 
2460 	cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2461 	cmd->valid = cpu_to_le32(valid);
2462 	cmd->config = cpu_to_le32(config);
2463 
2464 	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2465 				       NO_SYNC_WMIFLAG);
2466 	return ret;
2467 }
2468 
2469 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2470 {
2471 	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2472 }
2473 
2474 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2475 {
2476 	struct sk_buff *skb;
2477 	struct wmi_set_tx_pwr_cmd *cmd;
2478 	int ret;
2479 
2480 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2481 	if (!skb)
2482 		return -ENOMEM;
2483 
2484 	cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2485 	cmd->dbM = dbM;
2486 
2487 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2488 				  NO_SYNC_WMIFLAG);
2489 
2490 	return ret;
2491 }
2492 
2493 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2494 {
2495 	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2496 }
2497 
2498 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2499 {
2500 	return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2501 }
2502 
2503 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2504 				 u8 preamble_policy)
2505 {
2506 	struct sk_buff *skb;
2507 	struct wmi_set_lpreamble_cmd *cmd;
2508 	int ret;
2509 
2510 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2511 	if (!skb)
2512 		return -ENOMEM;
2513 
2514 	cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2515 	cmd->status = status;
2516 	cmd->preamble_policy = preamble_policy;
2517 
2518 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2519 				  NO_SYNC_WMIFLAG);
2520 	return ret;
2521 }
2522 
2523 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2524 {
2525 	struct sk_buff *skb;
2526 	struct wmi_set_rts_cmd *cmd;
2527 	int ret;
2528 
2529 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2530 	if (!skb)
2531 		return -ENOMEM;
2532 
2533 	cmd = (struct wmi_set_rts_cmd *) skb->data;
2534 	cmd->threshold = cpu_to_le16(threshold);
2535 
2536 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2537 				  NO_SYNC_WMIFLAG);
2538 	return ret;
2539 }
2540 
2541 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2542 {
2543 	struct sk_buff *skb;
2544 	struct wmi_set_wmm_txop_cmd *cmd;
2545 	int ret;
2546 
2547 	if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2548 		return -EINVAL;
2549 
2550 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2551 	if (!skb)
2552 		return -ENOMEM;
2553 
2554 	cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2555 	cmd->txop_enable = cfg;
2556 
2557 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2558 				  NO_SYNC_WMIFLAG);
2559 	return ret;
2560 }
2561 
2562 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
2563 				 u8 keep_alive_intvl)
2564 {
2565 	struct sk_buff *skb;
2566 	struct wmi_set_keepalive_cmd *cmd;
2567 	int ret;
2568 
2569 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2570 	if (!skb)
2571 		return -ENOMEM;
2572 
2573 	cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2574 	cmd->keep_alive_intvl = keep_alive_intvl;
2575 
2576 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
2577 				  NO_SYNC_WMIFLAG);
2578 
2579 	if (ret == 0)
2580 		ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
2581 
2582 	return ret;
2583 }
2584 
2585 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
2586 {
2587 	struct sk_buff *skb;
2588 	int ret;
2589 
2590 	skb = ath6kl_wmi_get_new_buf(len);
2591 	if (!skb)
2592 		return -ENOMEM;
2593 
2594 	memcpy(skb->data, buf, len);
2595 
2596 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
2597 
2598 	return ret;
2599 }
2600 
2601 
2602 s32 ath6kl_wmi_get_rate(s8 rate_index)
2603 {
2604 	if (rate_index == RATE_AUTO)
2605 		return 0;
2606 
2607 	return wmi_rate_tbl[(u32) rate_index][0];
2608 }
2609 
2610 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2611 					      u32 len)
2612 {
2613 	struct wmi_pmkid_list_reply *reply;
2614 	u32 expected_len;
2615 
2616 	if (len < sizeof(struct wmi_pmkid_list_reply))
2617 		return -EINVAL;
2618 
2619 	reply = (struct wmi_pmkid_list_reply *)datap;
2620 	expected_len = sizeof(reply->num_pmkid) +
2621 		le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2622 
2623 	if (len < expected_len)
2624 		return -EINVAL;
2625 
2626 	return 0;
2627 }
2628 
2629 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2630 					 struct ath6kl_vif *vif)
2631 {
2632 	struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2633 
2634 	aggr_recv_addba_req_evt(vif, cmd->tid,
2635 				le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2636 
2637 	return 0;
2638 }
2639 
2640 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2641 					 struct ath6kl_vif *vif)
2642 {
2643 	struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2644 
2645 	aggr_recv_delba_req_evt(vif, cmd->tid);
2646 
2647 	return 0;
2648 }
2649 
2650 /*  AP mode functions */
2651 
2652 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
2653 				 struct wmi_connect_cmd *p)
2654 {
2655 	struct sk_buff *skb;
2656 	struct wmi_connect_cmd *cm;
2657 	int res;
2658 
2659 	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2660 	if (!skb)
2661 		return -ENOMEM;
2662 
2663 	cm = (struct wmi_connect_cmd *) skb->data;
2664 	memcpy(cm, p, sizeof(*cm));
2665 
2666 	res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
2667 				  NO_SYNC_WMIFLAG);
2668 	ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
2669 		   "ctrl_flags=0x%x-> res=%d\n",
2670 		   __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
2671 		   le32_to_cpu(p->ctrl_flags), res);
2672 	return res;
2673 }
2674 
2675 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
2676 			   u16 reason)
2677 {
2678 	struct sk_buff *skb;
2679 	struct wmi_ap_set_mlme_cmd *cm;
2680 
2681 	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2682 	if (!skb)
2683 		return -ENOMEM;
2684 
2685 	cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
2686 	memcpy(cm->mac, mac, ETH_ALEN);
2687 	cm->reason = cpu_to_le16(reason);
2688 	cm->cmd = cmd;
2689 
2690 	return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
2691 				   NO_SYNC_WMIFLAG);
2692 }
2693 
2694 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
2695 				      struct ath6kl_vif *vif)
2696 {
2697 	struct wmi_pspoll_event *ev;
2698 
2699 	if (len < sizeof(struct wmi_pspoll_event))
2700 		return -EINVAL;
2701 
2702 	ev = (struct wmi_pspoll_event *) datap;
2703 
2704 	ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
2705 
2706 	return 0;
2707 }
2708 
2709 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
2710 					  struct ath6kl_vif *vif)
2711 {
2712 	ath6kl_dtimexpiry_event(vif);
2713 
2714 	return 0;
2715 }
2716 
2717 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
2718 			   bool flag)
2719 {
2720 	struct sk_buff *skb;
2721 	struct wmi_ap_set_pvb_cmd *cmd;
2722 	int ret;
2723 
2724 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
2725 	if (!skb)
2726 		return -ENOMEM;
2727 
2728 	cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
2729 	cmd->aid = cpu_to_le16(aid);
2730 	cmd->rsvd = cpu_to_le16(0);
2731 	cmd->flag = cpu_to_le32(flag);
2732 
2733 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
2734 				  NO_SYNC_WMIFLAG);
2735 
2736 	return 0;
2737 }
2738 
2739 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
2740 				       u8 rx_meta_ver,
2741 				       bool rx_dot11_hdr, bool defrag_on_host)
2742 {
2743 	struct sk_buff *skb;
2744 	struct wmi_rx_frame_format_cmd *cmd;
2745 	int ret;
2746 
2747 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2748 	if (!skb)
2749 		return -ENOMEM;
2750 
2751 	cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
2752 	cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
2753 	cmd->defrag_on_host = defrag_on_host ? 1 : 0;
2754 	cmd->meta_ver = rx_meta_ver;
2755 
2756 	/* Delete the local aggr state, on host */
2757 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
2758 				  NO_SYNC_WMIFLAG);
2759 
2760 	return ret;
2761 }
2762 
2763 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
2764 			     const u8 *ie, u8 ie_len)
2765 {
2766 	struct sk_buff *skb;
2767 	struct wmi_set_appie_cmd *p;
2768 
2769 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
2770 	if (!skb)
2771 		return -ENOMEM;
2772 
2773 	ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
2774 		   "ie_len=%u\n", mgmt_frm_type, ie_len);
2775 	p = (struct wmi_set_appie_cmd *) skb->data;
2776 	p->mgmt_frm_type = mgmt_frm_type;
2777 	p->ie_len = ie_len;
2778 	memcpy(p->ie_info, ie, ie_len);
2779 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
2780 				   NO_SYNC_WMIFLAG);
2781 }
2782 
2783 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
2784 {
2785 	struct sk_buff *skb;
2786 	struct wmi_disable_11b_rates_cmd *cmd;
2787 
2788 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2789 	if (!skb)
2790 		return -ENOMEM;
2791 
2792 	ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
2793 		   disable);
2794 	cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
2795 	cmd->disable = disable ? 1 : 0;
2796 
2797 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
2798 				   NO_SYNC_WMIFLAG);
2799 }
2800 
2801 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
2802 {
2803 	struct sk_buff *skb;
2804 	struct wmi_remain_on_chnl_cmd *p;
2805 
2806 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
2807 	if (!skb)
2808 		return -ENOMEM;
2809 
2810 	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
2811 		   freq, dur);
2812 	p = (struct wmi_remain_on_chnl_cmd *) skb->data;
2813 	p->freq = cpu_to_le32(freq);
2814 	p->duration = cpu_to_le32(dur);
2815 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
2816 				   NO_SYNC_WMIFLAG);
2817 }
2818 
2819 int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
2820 			       u32 wait, const u8 *data, u16 data_len)
2821 {
2822 	struct sk_buff *skb;
2823 	struct wmi_send_action_cmd *p;
2824 	u8 *buf;
2825 
2826 	if (wait)
2827 		return -EINVAL; /* Offload for wait not supported */
2828 
2829 	buf = kmalloc(data_len, GFP_KERNEL);
2830 	if (!buf)
2831 		return -ENOMEM;
2832 
2833 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
2834 	if (!skb) {
2835 		kfree(buf);
2836 		return -ENOMEM;
2837 	}
2838 
2839 	kfree(wmi->last_mgmt_tx_frame);
2840 	wmi->last_mgmt_tx_frame = buf;
2841 	wmi->last_mgmt_tx_frame_len = data_len;
2842 
2843 	ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
2844 		   "len=%u\n", id, freq, wait, data_len);
2845 	p = (struct wmi_send_action_cmd *) skb->data;
2846 	p->id = cpu_to_le32(id);
2847 	p->freq = cpu_to_le32(freq);
2848 	p->wait = cpu_to_le32(wait);
2849 	p->len = cpu_to_le16(data_len);
2850 	memcpy(p->data, data, data_len);
2851 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
2852 				   NO_SYNC_WMIFLAG);
2853 }
2854 
2855 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
2856 				       const u8 *dst, const u8 *data,
2857 				       u16 data_len)
2858 {
2859 	struct sk_buff *skb;
2860 	struct wmi_p2p_probe_response_cmd *p;
2861 
2862 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
2863 	if (!skb)
2864 		return -ENOMEM;
2865 
2866 	ath6kl_dbg(ATH6KL_DBG_WMI, "send_probe_response_cmd: freq=%u dst=%pM "
2867 		   "len=%u\n", freq, dst, data_len);
2868 	p = (struct wmi_p2p_probe_response_cmd *) skb->data;
2869 	p->freq = cpu_to_le32(freq);
2870 	memcpy(p->destination_addr, dst, ETH_ALEN);
2871 	p->len = cpu_to_le16(data_len);
2872 	memcpy(p->data, data, data_len);
2873 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2874 				   WMI_SEND_PROBE_RESPONSE_CMDID,
2875 				   NO_SYNC_WMIFLAG);
2876 }
2877 
2878 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2879 {
2880 	struct sk_buff *skb;
2881 	struct wmi_probe_req_report_cmd *p;
2882 
2883 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
2884 	if (!skb)
2885 		return -ENOMEM;
2886 
2887 	ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
2888 		   enable);
2889 	p = (struct wmi_probe_req_report_cmd *) skb->data;
2890 	p->enable = enable ? 1 : 0;
2891 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
2892 				   NO_SYNC_WMIFLAG);
2893 }
2894 
2895 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
2896 {
2897 	struct sk_buff *skb;
2898 	struct wmi_get_p2p_info *p;
2899 
2900 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
2901 	if (!skb)
2902 		return -ENOMEM;
2903 
2904 	ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
2905 		   info_req_flags);
2906 	p = (struct wmi_get_p2p_info *) skb->data;
2907 	p->info_req_flags = cpu_to_le32(info_req_flags);
2908 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
2909 				   NO_SYNC_WMIFLAG);
2910 }
2911 
2912 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
2913 {
2914 	ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
2915 	return ath6kl_wmi_simple_cmd(wmi, if_idx,
2916 				     WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
2917 }
2918 
2919 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
2920 {
2921 	struct wmix_cmd_hdr *cmd;
2922 	u32 len;
2923 	u16 id;
2924 	u8 *datap;
2925 	int ret = 0;
2926 
2927 	if (skb->len < sizeof(struct wmix_cmd_hdr)) {
2928 		ath6kl_err("bad packet 1\n");
2929 		return -EINVAL;
2930 	}
2931 
2932 	cmd = (struct wmix_cmd_hdr *) skb->data;
2933 	id = le32_to_cpu(cmd->cmd_id);
2934 
2935 	skb_pull(skb, sizeof(struct wmix_cmd_hdr));
2936 
2937 	datap = skb->data;
2938 	len = skb->len;
2939 
2940 	switch (id) {
2941 	case WMIX_HB_CHALLENGE_RESP_EVENTID:
2942 		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
2943 		break;
2944 	case WMIX_DBGLOG_EVENTID:
2945 		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
2946 		ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
2947 		break;
2948 	default:
2949 		ath6kl_warn("unknown cmd id 0x%x\n", id);
2950 		ret = -EINVAL;
2951 		break;
2952 	}
2953 
2954 	return ret;
2955 }
2956 
2957 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
2958 {
2959 	return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
2960 }
2961 
2962 /* Control Path */
2963 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
2964 {
2965 	struct wmi_cmd_hdr *cmd;
2966 	struct ath6kl_vif *vif;
2967 	u32 len;
2968 	u16 id;
2969 	u8 if_idx;
2970 	u8 *datap;
2971 	int ret = 0;
2972 
2973 	if (WARN_ON(skb == NULL))
2974 		return -EINVAL;
2975 
2976 	if (skb->len < sizeof(struct wmi_cmd_hdr)) {
2977 		ath6kl_err("bad packet 1\n");
2978 		dev_kfree_skb(skb);
2979 		return -EINVAL;
2980 	}
2981 
2982 	cmd = (struct wmi_cmd_hdr *) skb->data;
2983 	id = le16_to_cpu(cmd->cmd_id);
2984 	if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
2985 
2986 	skb_pull(skb, sizeof(struct wmi_cmd_hdr));
2987 
2988 	datap = skb->data;
2989 	len = skb->len;
2990 
2991 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
2992 	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
2993 			datap, len);
2994 
2995 	vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
2996 	if (!vif) {
2997 		ath6kl_dbg(ATH6KL_DBG_WMI,
2998 			   "Wmi event for unavailable vif, vif_index:%d\n",
2999 			    if_idx);
3000 		dev_kfree_skb(skb);
3001 		return -EINVAL;
3002 	}
3003 
3004 	switch (id) {
3005 	case WMI_GET_BITRATE_CMDID:
3006 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3007 		ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3008 		break;
3009 	case WMI_GET_CHANNEL_LIST_CMDID:
3010 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3011 		ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3012 		break;
3013 	case WMI_GET_TX_PWR_CMDID:
3014 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3015 		ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3016 		break;
3017 	case WMI_READY_EVENTID:
3018 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3019 		ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3020 		break;
3021 	case WMI_CONNECT_EVENTID:
3022 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3023 		ret = ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3024 		break;
3025 	case WMI_DISCONNECT_EVENTID:
3026 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3027 		ret = ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3028 		break;
3029 	case WMI_PEER_NODE_EVENTID:
3030 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3031 		ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3032 		break;
3033 	case WMI_TKIP_MICERR_EVENTID:
3034 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3035 		ret = ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3036 		break;
3037 	case WMI_BSSINFO_EVENTID:
3038 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3039 		ret = ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3040 		break;
3041 	case WMI_REGDOMAIN_EVENTID:
3042 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3043 		ath6kl_wmi_regdomain_event(wmi, datap, len);
3044 		break;
3045 	case WMI_PSTREAM_TIMEOUT_EVENTID:
3046 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3047 		ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3048 		break;
3049 	case WMI_NEIGHBOR_REPORT_EVENTID:
3050 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3051 		ret = ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3052 							  vif);
3053 		break;
3054 	case WMI_SCAN_COMPLETE_EVENTID:
3055 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3056 		ret = ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3057 		break;
3058 	case WMI_CMDERROR_EVENTID:
3059 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3060 		ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3061 		break;
3062 	case WMI_REPORT_STATISTICS_EVENTID:
3063 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3064 		ret = ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3065 		break;
3066 	case WMI_RSSI_THRESHOLD_EVENTID:
3067 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3068 		ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3069 		break;
3070 	case WMI_ERROR_REPORT_EVENTID:
3071 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3072 		break;
3073 	case WMI_OPT_RX_FRAME_EVENTID:
3074 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3075 		/* this event has been deprecated */
3076 		break;
3077 	case WMI_REPORT_ROAM_TBL_EVENTID:
3078 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3079 		ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3080 		break;
3081 	case WMI_EXTENSION_EVENTID:
3082 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3083 		ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3084 		break;
3085 	case WMI_CAC_EVENTID:
3086 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3087 		ret = ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3088 		break;
3089 	case WMI_CHANNEL_CHANGE_EVENTID:
3090 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3091 		break;
3092 	case WMI_REPORT_ROAM_DATA_EVENTID:
3093 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3094 		break;
3095 	case WMI_TEST_EVENTID:
3096 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3097 		ret = ath6kl_wmi_tcmd_test_report_rx(wmi, datap, len);
3098 		break;
3099 	case WMI_GET_FIXRATES_CMDID:
3100 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3101 		ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3102 		break;
3103 	case WMI_TX_RETRY_ERR_EVENTID:
3104 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3105 		break;
3106 	case WMI_SNR_THRESHOLD_EVENTID:
3107 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3108 		ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3109 		break;
3110 	case WMI_LQ_THRESHOLD_EVENTID:
3111 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3112 		break;
3113 	case WMI_APLIST_EVENTID:
3114 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3115 		ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3116 		break;
3117 	case WMI_GET_KEEPALIVE_CMDID:
3118 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3119 		ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3120 		break;
3121 	case WMI_GET_WOW_LIST_EVENTID:
3122 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3123 		ret = ath6kl_wmi_get_wow_list_event_rx(wmi, datap, len);
3124 		break;
3125 	case WMI_GET_PMKID_LIST_EVENTID:
3126 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3127 		ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3128 		break;
3129 	case WMI_PSPOLL_EVENTID:
3130 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3131 		ret = ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3132 		break;
3133 	case WMI_DTIMEXPIRY_EVENTID:
3134 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3135 		ret = ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3136 		break;
3137 	case WMI_SET_PARAMS_REPLY_EVENTID:
3138 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3139 		break;
3140 	case WMI_ADDBA_REQ_EVENTID:
3141 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3142 		ret = ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3143 		break;
3144 	case WMI_ADDBA_RESP_EVENTID:
3145 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3146 		break;
3147 	case WMI_DELBA_REQ_EVENTID:
3148 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3149 		ret = ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3150 		break;
3151 	case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3152 		ath6kl_dbg(ATH6KL_DBG_WMI,
3153 			   "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3154 		break;
3155 	case WMI_REPORT_BTCOEX_STATS_EVENTID:
3156 		ath6kl_dbg(ATH6KL_DBG_WMI,
3157 			   "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3158 		break;
3159 	case WMI_TX_COMPLETE_EVENTID:
3160 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3161 		ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3162 		break;
3163 	case WMI_REMAIN_ON_CHNL_EVENTID:
3164 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3165 		ret = ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3166 		break;
3167 	case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3168 		ath6kl_dbg(ATH6KL_DBG_WMI,
3169 			   "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3170 		ret = ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3171 								len, vif);
3172 		break;
3173 	case WMI_TX_STATUS_EVENTID:
3174 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3175 		ret = ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3176 		break;
3177 	case WMI_RX_PROBE_REQ_EVENTID:
3178 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3179 		ret = ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3180 		break;
3181 	case WMI_P2P_CAPABILITIES_EVENTID:
3182 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3183 		ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3184 		break;
3185 	case WMI_RX_ACTION_EVENTID:
3186 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3187 		ret = ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3188 		break;
3189 	case WMI_P2P_INFO_EVENTID:
3190 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3191 		ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3192 		break;
3193 	default:
3194 		ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", id);
3195 		ret = -EINVAL;
3196 		break;
3197 	}
3198 
3199 	dev_kfree_skb(skb);
3200 
3201 	return ret;
3202 }
3203 
3204 static void ath6kl_wmi_qos_state_init(struct wmi *wmi)
3205 {
3206 	if (!wmi)
3207 		return;
3208 
3209 	spin_lock_bh(&wmi->lock);
3210 
3211 	wmi->fat_pipe_exist = 0;
3212 	memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3213 
3214 	spin_unlock_bh(&wmi->lock);
3215 }
3216 
3217 void *ath6kl_wmi_init(struct ath6kl *dev)
3218 {
3219 	struct wmi *wmi;
3220 
3221 	wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3222 	if (!wmi)
3223 		return NULL;
3224 
3225 	spin_lock_init(&wmi->lock);
3226 
3227 	wmi->parent_dev = dev;
3228 
3229 	wmi->pwr_mode = REC_POWER;
3230 
3231 	ath6kl_wmi_qos_state_init(wmi);
3232 
3233 	return wmi;
3234 }
3235 
3236 void ath6kl_wmi_shutdown(struct wmi *wmi)
3237 {
3238 	if (!wmi)
3239 		return;
3240 
3241 	kfree(wmi->last_mgmt_tx_frame);
3242 	kfree(wmi);
3243 }
3244