xref: /openbmc/linux/drivers/net/wireless/ath/ath6kl/wmi.c (revision 11f6e40d)
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_bh(&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_bh(&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 	u32 id;
447 
448 	if (len < sizeof(*ev))
449 		return -EINVAL;
450 
451 	ev = (struct wmi_remain_on_chnl_event *) datap;
452 	freq = le32_to_cpu(ev->freq);
453 	dur = le32_to_cpu(ev->duration);
454 	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
455 		   freq, dur);
456 	chan = ieee80211_get_channel(ar->wiphy, freq);
457 	if (!chan) {
458 		ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: Unknown channel "
459 			   "(freq=%u)\n", freq);
460 		return -EINVAL;
461 	}
462 	id = vif->last_roc_id;
463 	cfg80211_ready_on_channel(vif->ndev, id, chan, NL80211_CHAN_NO_HT,
464 				  dur, GFP_ATOMIC);
465 
466 	return 0;
467 }
468 
469 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
470 						     u8 *datap, int len,
471 						     struct ath6kl_vif *vif)
472 {
473 	struct wmi_cancel_remain_on_chnl_event *ev;
474 	u32 freq;
475 	u32 dur;
476 	struct ieee80211_channel *chan;
477 	struct ath6kl *ar = wmi->parent_dev;
478 	u32 id;
479 
480 	if (len < sizeof(*ev))
481 		return -EINVAL;
482 
483 	ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
484 	freq = le32_to_cpu(ev->freq);
485 	dur = le32_to_cpu(ev->duration);
486 	ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: freq=%u dur=%u "
487 		   "status=%u\n", freq, dur, ev->status);
488 	chan = ieee80211_get_channel(ar->wiphy, freq);
489 	if (!chan) {
490 		ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: Unknown "
491 			   "channel (freq=%u)\n", freq);
492 		return -EINVAL;
493 	}
494 	if (vif->last_cancel_roc_id &&
495 	    vif->last_cancel_roc_id + 1 == vif->last_roc_id)
496 		id = vif->last_cancel_roc_id; /* event for cancel command */
497 	else
498 		id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
499 	vif->last_cancel_roc_id = 0;
500 	cfg80211_remain_on_channel_expired(vif->ndev, id, chan,
501 					   NL80211_CHAN_NO_HT, GFP_ATOMIC);
502 
503 	return 0;
504 }
505 
506 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
507 					 struct ath6kl_vif *vif)
508 {
509 	struct wmi_tx_status_event *ev;
510 	u32 id;
511 
512 	if (len < sizeof(*ev))
513 		return -EINVAL;
514 
515 	ev = (struct wmi_tx_status_event *) datap;
516 	id = le32_to_cpu(ev->id);
517 	ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
518 		   id, ev->ack_status);
519 	if (wmi->last_mgmt_tx_frame) {
520 		cfg80211_mgmt_tx_status(vif->ndev, id,
521 					wmi->last_mgmt_tx_frame,
522 					wmi->last_mgmt_tx_frame_len,
523 					!!ev->ack_status, GFP_ATOMIC);
524 		kfree(wmi->last_mgmt_tx_frame);
525 		wmi->last_mgmt_tx_frame = NULL;
526 		wmi->last_mgmt_tx_frame_len = 0;
527 	}
528 
529 	return 0;
530 }
531 
532 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
533 					    struct ath6kl_vif *vif)
534 {
535 	struct wmi_p2p_rx_probe_req_event *ev;
536 	u32 freq;
537 	u16 dlen;
538 
539 	if (len < sizeof(*ev))
540 		return -EINVAL;
541 
542 	ev = (struct wmi_p2p_rx_probe_req_event *) datap;
543 	freq = le32_to_cpu(ev->freq);
544 	dlen = le16_to_cpu(ev->len);
545 	if (datap + len < ev->data + dlen) {
546 		ath6kl_err("invalid wmi_p2p_rx_probe_req_event: "
547 			   "len=%d dlen=%u\n", len, dlen);
548 		return -EINVAL;
549 	}
550 	ath6kl_dbg(ATH6KL_DBG_WMI, "rx_probe_req: len=%u freq=%u "
551 		   "probe_req_report=%d\n",
552 		   dlen, freq, vif->probe_req_report);
553 
554 	if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
555 		cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
556 
557 	return 0;
558 }
559 
560 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
561 {
562 	struct wmi_p2p_capabilities_event *ev;
563 	u16 dlen;
564 
565 	if (len < sizeof(*ev))
566 		return -EINVAL;
567 
568 	ev = (struct wmi_p2p_capabilities_event *) datap;
569 	dlen = le16_to_cpu(ev->len);
570 	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
571 
572 	return 0;
573 }
574 
575 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
576 					 struct ath6kl_vif *vif)
577 {
578 	struct wmi_rx_action_event *ev;
579 	u32 freq;
580 	u16 dlen;
581 
582 	if (len < sizeof(*ev))
583 		return -EINVAL;
584 
585 	ev = (struct wmi_rx_action_event *) datap;
586 	freq = le32_to_cpu(ev->freq);
587 	dlen = le16_to_cpu(ev->len);
588 	if (datap + len < ev->data + dlen) {
589 		ath6kl_err("invalid wmi_rx_action_event: "
590 			   "len=%d dlen=%u\n", len, dlen);
591 		return -EINVAL;
592 	}
593 	ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
594 	cfg80211_rx_mgmt(vif->ndev, freq, ev->data, dlen, GFP_ATOMIC);
595 
596 	return 0;
597 }
598 
599 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
600 {
601 	struct wmi_p2p_info_event *ev;
602 	u32 flags;
603 	u16 dlen;
604 
605 	if (len < sizeof(*ev))
606 		return -EINVAL;
607 
608 	ev = (struct wmi_p2p_info_event *) datap;
609 	flags = le32_to_cpu(ev->info_req_flags);
610 	dlen = le16_to_cpu(ev->len);
611 	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
612 
613 	if (flags & P2P_FLAG_CAPABILITIES_REQ) {
614 		struct wmi_p2p_capabilities *cap;
615 		if (dlen < sizeof(*cap))
616 			return -EINVAL;
617 		cap = (struct wmi_p2p_capabilities *) ev->data;
618 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
619 			   cap->go_power_save);
620 	}
621 
622 	if (flags & P2P_FLAG_MACADDR_REQ) {
623 		struct wmi_p2p_macaddr *mac;
624 		if (dlen < sizeof(*mac))
625 			return -EINVAL;
626 		mac = (struct wmi_p2p_macaddr *) ev->data;
627 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
628 			   mac->mac_addr);
629 	}
630 
631 	if (flags & P2P_FLAG_HMODEL_REQ) {
632 		struct wmi_p2p_hmodel *mod;
633 		if (dlen < sizeof(*mod))
634 			return -EINVAL;
635 		mod = (struct wmi_p2p_hmodel *) ev->data;
636 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
637 			   mod->p2p_model,
638 			   mod->p2p_model ? "host" : "firmware");
639 	}
640 	return 0;
641 }
642 
643 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
644 {
645 	struct sk_buff *skb;
646 
647 	skb = ath6kl_buf_alloc(size);
648 	if (!skb)
649 		return NULL;
650 
651 	skb_put(skb, size);
652 	if (size)
653 		memset(skb->data, 0, size);
654 
655 	return skb;
656 }
657 
658 /* Send a "simple" wmi command -- one with no arguments */
659 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
660 				 enum wmi_cmd_id cmd_id)
661 {
662 	struct sk_buff *skb;
663 	int ret;
664 
665 	skb = ath6kl_wmi_get_new_buf(0);
666 	if (!skb)
667 		return -ENOMEM;
668 
669 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
670 
671 	return ret;
672 }
673 
674 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
675 {
676 	struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
677 
678 	if (len < sizeof(struct wmi_ready_event_2))
679 		return -EINVAL;
680 
681 	ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
682 			   le32_to_cpu(ev->sw_version),
683 			   le32_to_cpu(ev->abi_version));
684 
685 	return 0;
686 }
687 
688 /*
689  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
690  * at which the station has to roam can be passed with
691  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
692  * in dBm.
693  */
694 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
695 {
696 	struct sk_buff *skb;
697 	struct roam_ctrl_cmd *cmd;
698 
699 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
700 	if (!skb)
701 		return -ENOMEM;
702 
703 	cmd = (struct roam_ctrl_cmd *) skb->data;
704 
705 	cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
706 	cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
707 						       DEF_SCAN_FOR_ROAM_INTVL);
708 	cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
709 	cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
710 	cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
711 
712 	ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
713 			    NO_SYNC_WMIFLAG);
714 
715 	return 0;
716 }
717 
718 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
719 {
720 	struct sk_buff *skb;
721 	struct roam_ctrl_cmd *cmd;
722 
723 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
724 	if (!skb)
725 		return -ENOMEM;
726 
727 	cmd = (struct roam_ctrl_cmd *) skb->data;
728 	memset(cmd, 0, sizeof(*cmd));
729 
730 	memcpy(cmd->info.bssid, bssid, ETH_ALEN);
731 	cmd->roam_ctrl = WMI_FORCE_ROAM;
732 
733 	ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
734 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
735 				   NO_SYNC_WMIFLAG);
736 }
737 
738 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
739 {
740 	struct sk_buff *skb;
741 	struct roam_ctrl_cmd *cmd;
742 
743 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
744 	if (!skb)
745 		return -ENOMEM;
746 
747 	cmd = (struct roam_ctrl_cmd *) skb->data;
748 	memset(cmd, 0, sizeof(*cmd));
749 
750 	cmd->info.roam_mode = mode;
751 	cmd->roam_ctrl = WMI_SET_ROAM_MODE;
752 
753 	ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
754 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
755 				   NO_SYNC_WMIFLAG);
756 }
757 
758 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
759 				       struct ath6kl_vif *vif)
760 {
761 	struct wmi_connect_event *ev;
762 	u8 *pie, *peie;
763 
764 	if (len < sizeof(struct wmi_connect_event))
765 		return -EINVAL;
766 
767 	ev = (struct wmi_connect_event *) datap;
768 
769 	if (vif->nw_type == AP_NETWORK) {
770 		/* AP mode start/STA connected event */
771 		struct net_device *dev = vif->ndev;
772 		if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
773 			ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM "
774 				   "(AP started)\n",
775 				   __func__, le16_to_cpu(ev->u.ap_bss.ch),
776 				   ev->u.ap_bss.bssid);
777 			ath6kl_connect_ap_mode_bss(
778 				vif, le16_to_cpu(ev->u.ap_bss.ch));
779 		} else {
780 			ath6kl_dbg(ATH6KL_DBG_WMI, "%s: aid %u mac_addr %pM "
781 				   "auth=%u keymgmt=%u cipher=%u apsd_info=%u "
782 				   "(STA connected)\n",
783 				   __func__, ev->u.ap_sta.aid,
784 				   ev->u.ap_sta.mac_addr,
785 				   ev->u.ap_sta.auth,
786 				   ev->u.ap_sta.keymgmt,
787 				   le16_to_cpu(ev->u.ap_sta.cipher),
788 				   ev->u.ap_sta.apsd_info);
789 			ath6kl_connect_ap_mode_sta(
790 				vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
791 				ev->u.ap_sta.keymgmt,
792 				le16_to_cpu(ev->u.ap_sta.cipher),
793 				ev->u.ap_sta.auth, ev->assoc_req_len,
794 				ev->assoc_info + ev->beacon_ie_len);
795 		}
796 		return 0;
797 	}
798 
799 	/* STA/IBSS mode connection event */
800 
801 	ath6kl_dbg(ATH6KL_DBG_WMI,
802 		   "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
803 		   le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
804 		   le16_to_cpu(ev->u.sta.listen_intvl),
805 		   le16_to_cpu(ev->u.sta.beacon_intvl),
806 		   le32_to_cpu(ev->u.sta.nw_type));
807 
808 	/* Start of assoc rsp IEs */
809 	pie = ev->assoc_info + ev->beacon_ie_len +
810 	      ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
811 
812 	/* End of assoc rsp IEs */
813 	peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
814 	    ev->assoc_resp_len;
815 
816 	while (pie < peie) {
817 		switch (*pie) {
818 		case WLAN_EID_VENDOR_SPECIFIC:
819 			if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
820 			    pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
821 				/* WMM OUT (00:50:F2) */
822 				if (pie[1] > 5
823 				    && pie[6] == WMM_PARAM_OUI_SUBTYPE)
824 					wmi->is_wmm_enabled = true;
825 			}
826 			break;
827 		}
828 
829 		if (wmi->is_wmm_enabled)
830 			break;
831 
832 		pie += pie[1] + 2;
833 	}
834 
835 	ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
836 			     ev->u.sta.bssid,
837 			     le16_to_cpu(ev->u.sta.listen_intvl),
838 			     le16_to_cpu(ev->u.sta.beacon_intvl),
839 			     le32_to_cpu(ev->u.sta.nw_type),
840 			     ev->beacon_ie_len, ev->assoc_req_len,
841 			     ev->assoc_resp_len, ev->assoc_info);
842 
843 	return 0;
844 }
845 
846 static struct country_code_to_enum_rd *
847 ath6kl_regd_find_country(u16 countryCode)
848 {
849 	int i;
850 
851 	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
852 		if (allCountries[i].countryCode == countryCode)
853 			return &allCountries[i];
854 	}
855 
856 	return NULL;
857 }
858 
859 static struct reg_dmn_pair_mapping *
860 ath6kl_get_regpair(u16 regdmn)
861 {
862 	int i;
863 
864 	if (regdmn == NO_ENUMRD)
865 		return NULL;
866 
867 	for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
868 		if (regDomainPairs[i].regDmnEnum == regdmn)
869 			return &regDomainPairs[i];
870 	}
871 
872 	return NULL;
873 }
874 
875 static struct country_code_to_enum_rd *
876 ath6kl_regd_find_country_by_rd(u16 regdmn)
877 {
878 	int i;
879 
880 	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
881 		if (allCountries[i].regDmnEnum == regdmn)
882 			return &allCountries[i];
883 	}
884 
885 	return NULL;
886 }
887 
888 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
889 {
890 
891 	struct ath6kl_wmi_regdomain *ev;
892 	struct country_code_to_enum_rd *country = NULL;
893 	struct reg_dmn_pair_mapping *regpair = NULL;
894 	char alpha2[2];
895 	u32 reg_code;
896 
897 	ev = (struct ath6kl_wmi_regdomain *) datap;
898 	reg_code = le32_to_cpu(ev->reg_code);
899 
900 	if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
901 		country = ath6kl_regd_find_country((u16) reg_code);
902 	else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
903 
904 		regpair = ath6kl_get_regpair((u16) reg_code);
905 		country = ath6kl_regd_find_country_by_rd((u16) reg_code);
906 		ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
907 				regpair->regDmnEnum);
908 	}
909 
910 	if (country) {
911 		alpha2[0] = country->isoName[0];
912 		alpha2[1] = country->isoName[1];
913 
914 		regulatory_hint(wmi->parent_dev->wiphy, alpha2);
915 
916 		ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
917 				alpha2[0], alpha2[1]);
918 	}
919 }
920 
921 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
922 					  struct ath6kl_vif *vif)
923 {
924 	struct wmi_disconnect_event *ev;
925 	wmi->traffic_class = 100;
926 
927 	if (len < sizeof(struct wmi_disconnect_event))
928 		return -EINVAL;
929 
930 	ev = (struct wmi_disconnect_event *) datap;
931 
932 	ath6kl_dbg(ATH6KL_DBG_WMI,
933 		   "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
934 		   le16_to_cpu(ev->proto_reason_status), ev->bssid,
935 		   ev->disconn_reason, ev->assoc_resp_len);
936 
937 	wmi->is_wmm_enabled = false;
938 
939 	ath6kl_disconnect_event(vif, ev->disconn_reason,
940 				ev->bssid, ev->assoc_resp_len, ev->assoc_info,
941 				le16_to_cpu(ev->proto_reason_status));
942 
943 	return 0;
944 }
945 
946 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
947 {
948 	struct wmi_peer_node_event *ev;
949 
950 	if (len < sizeof(struct wmi_peer_node_event))
951 		return -EINVAL;
952 
953 	ev = (struct wmi_peer_node_event *) datap;
954 
955 	if (ev->event_code == PEER_NODE_JOIN_EVENT)
956 		ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
957 			   ev->peer_mac_addr);
958 	else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
959 		ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
960 			   ev->peer_mac_addr);
961 
962 	return 0;
963 }
964 
965 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
966 					   struct ath6kl_vif *vif)
967 {
968 	struct wmi_tkip_micerr_event *ev;
969 
970 	if (len < sizeof(struct wmi_tkip_micerr_event))
971 		return -EINVAL;
972 
973 	ev = (struct wmi_tkip_micerr_event *) datap;
974 
975 	ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
976 
977 	return 0;
978 }
979 
980 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
981 				       struct ath6kl_vif *vif)
982 {
983 	struct wmi_bss_info_hdr2 *bih;
984 	u8 *buf;
985 	struct ieee80211_channel *channel;
986 	struct ath6kl *ar = wmi->parent_dev;
987 	struct ieee80211_mgmt *mgmt;
988 	struct cfg80211_bss *bss;
989 
990 	if (len <= sizeof(struct wmi_bss_info_hdr2))
991 		return -EINVAL;
992 
993 	bih = (struct wmi_bss_info_hdr2 *) datap;
994 	buf = datap + sizeof(struct wmi_bss_info_hdr2);
995 	len -= sizeof(struct wmi_bss_info_hdr2);
996 
997 	ath6kl_dbg(ATH6KL_DBG_WMI,
998 		   "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
999 		   "frame_type=%d\n",
1000 		   bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1001 		   bih->frame_type);
1002 
1003 	if (bih->frame_type != BEACON_FTYPE &&
1004 	    bih->frame_type != PROBERESP_FTYPE)
1005 		return 0; /* Only update BSS table for now */
1006 
1007 	if (bih->frame_type == BEACON_FTYPE &&
1008 	    test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1009 		clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1010 		ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1011 					 NONE_BSS_FILTER, 0);
1012 	}
1013 
1014 	channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1015 	if (channel == NULL)
1016 		return -EINVAL;
1017 
1018 	if (len < 8 + 2 + 2)
1019 		return -EINVAL;
1020 
1021 	if (bih->frame_type == BEACON_FTYPE && test_bit(CONNECTED, &vif->flags)
1022 	    && memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1023 		const u8 *tim;
1024 		tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1025 				       len - 8 - 2 - 2);
1026 		if (tim && tim[1] >= 2) {
1027 			vif->assoc_bss_dtim_period = tim[3];
1028 			set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1029 		}
1030 	}
1031 
1032 	/*
1033 	 * In theory, use of cfg80211_inform_bss() would be more natural here
1034 	 * since we do not have the full frame. However, at least for now,
1035 	 * cfg80211 can only distinguish Beacon and Probe Response frames from
1036 	 * each other when using cfg80211_inform_bss_frame(), so let's build a
1037 	 * fake IEEE 802.11 header to be able to take benefit of this.
1038 	 */
1039 	mgmt = kmalloc(24 + len, GFP_ATOMIC);
1040 	if (mgmt == NULL)
1041 		return -EINVAL;
1042 
1043 	if (bih->frame_type == BEACON_FTYPE) {
1044 		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1045 						  IEEE80211_STYPE_BEACON);
1046 		memset(mgmt->da, 0xff, ETH_ALEN);
1047 	} else {
1048 		struct net_device *dev = vif->ndev;
1049 
1050 		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1051 						  IEEE80211_STYPE_PROBE_RESP);
1052 		memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1053 	}
1054 	mgmt->duration = cpu_to_le16(0);
1055 	memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1056 	memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1057 	mgmt->seq_ctrl = cpu_to_le16(0);
1058 
1059 	memcpy(&mgmt->u.beacon, buf, len);
1060 
1061 	bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1062 					24 + len, (bih->snr - 95) * 100,
1063 					GFP_ATOMIC);
1064 	kfree(mgmt);
1065 	if (bss == NULL)
1066 		return -ENOMEM;
1067 	cfg80211_put_bss(bss);
1068 
1069 	return 0;
1070 }
1071 
1072 /* Inactivity timeout of a fatpipe(pstream) at the target */
1073 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1074 					       int len)
1075 {
1076 	struct wmi_pstream_timeout_event *ev;
1077 
1078 	if (len < sizeof(struct wmi_pstream_timeout_event))
1079 		return -EINVAL;
1080 
1081 	ev = (struct wmi_pstream_timeout_event *) datap;
1082 
1083 	/*
1084 	 * When the pstream (fat pipe == AC) timesout, it means there were
1085 	 * no thinStreams within this pstream & it got implicitly created
1086 	 * due to data flow on this AC. We start the inactivity timer only
1087 	 * for implicitly created pstream. Just reset the host state.
1088 	 */
1089 	spin_lock_bh(&wmi->lock);
1090 	wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1091 	wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1092 	spin_unlock_bh(&wmi->lock);
1093 
1094 	/* Indicate inactivity to driver layer for this fatpipe (pstream) */
1095 	ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1096 
1097 	return 0;
1098 }
1099 
1100 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1101 {
1102 	struct wmi_bit_rate_reply *reply;
1103 	s32 rate;
1104 	u32 sgi, index;
1105 
1106 	if (len < sizeof(struct wmi_bit_rate_reply))
1107 		return -EINVAL;
1108 
1109 	reply = (struct wmi_bit_rate_reply *) datap;
1110 
1111 	ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1112 
1113 	if (reply->rate_index == (s8) RATE_AUTO) {
1114 		rate = RATE_AUTO;
1115 	} else {
1116 		index = reply->rate_index & 0x7f;
1117 		sgi = (reply->rate_index & 0x80) ? 1 : 0;
1118 		rate = wmi_rate_tbl[index][sgi];
1119 	}
1120 
1121 	ath6kl_wakeup_event(wmi->parent_dev);
1122 
1123 	return 0;
1124 }
1125 
1126 static int ath6kl_wmi_tcmd_test_report_rx(struct wmi *wmi, u8 *datap, int len)
1127 {
1128 	ath6kl_tm_rx_report_event(wmi->parent_dev, datap, len);
1129 
1130 	return 0;
1131 }
1132 
1133 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1134 {
1135 	if (len < sizeof(struct wmi_fix_rates_reply))
1136 		return -EINVAL;
1137 
1138 	ath6kl_wakeup_event(wmi->parent_dev);
1139 
1140 	return 0;
1141 }
1142 
1143 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1144 {
1145 	if (len < sizeof(struct wmi_channel_list_reply))
1146 		return -EINVAL;
1147 
1148 	ath6kl_wakeup_event(wmi->parent_dev);
1149 
1150 	return 0;
1151 }
1152 
1153 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1154 {
1155 	struct wmi_tx_pwr_reply *reply;
1156 
1157 	if (len < sizeof(struct wmi_tx_pwr_reply))
1158 		return -EINVAL;
1159 
1160 	reply = (struct wmi_tx_pwr_reply *) datap;
1161 	ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1162 
1163 	return 0;
1164 }
1165 
1166 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1167 {
1168 	if (len < sizeof(struct wmi_get_keepalive_cmd))
1169 		return -EINVAL;
1170 
1171 	ath6kl_wakeup_event(wmi->parent_dev);
1172 
1173 	return 0;
1174 }
1175 
1176 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1177 				       struct ath6kl_vif *vif)
1178 {
1179 	struct wmi_scan_complete_event *ev;
1180 
1181 	ev = (struct wmi_scan_complete_event *) datap;
1182 
1183 	ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1184 	wmi->is_probe_ssid = false;
1185 
1186 	return 0;
1187 }
1188 
1189 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1190 					       int len, struct ath6kl_vif *vif)
1191 {
1192 	struct wmi_neighbor_report_event *ev;
1193 	u8 i;
1194 
1195 	if (len < sizeof(*ev))
1196 		return -EINVAL;
1197 	ev = (struct wmi_neighbor_report_event *) datap;
1198 	if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1199 	    > len) {
1200 		ath6kl_dbg(ATH6KL_DBG_WMI, "truncated neighbor event "
1201 			   "(num=%d len=%d)\n", ev->num_neighbors, len);
1202 		return -EINVAL;
1203 	}
1204 	for (i = 0; i < ev->num_neighbors; i++) {
1205 		ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1206 			   i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1207 			   ev->neighbor[i].bss_flags);
1208 		cfg80211_pmksa_candidate_notify(vif->ndev, i,
1209 						ev->neighbor[i].bssid,
1210 						!!(ev->neighbor[i].bss_flags &
1211 						   WMI_PREAUTH_CAPABLE_BSS),
1212 						GFP_ATOMIC);
1213 	}
1214 
1215 	return 0;
1216 }
1217 
1218 /*
1219  * Target is reporting a programming error.  This is for
1220  * developer aid only.  Target only checks a few common violations
1221  * and it is responsibility of host to do all error checking.
1222  * Behavior of target after wmi error event is undefined.
1223  * A reset is recommended.
1224  */
1225 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1226 {
1227 	const char *type = "unknown error";
1228 	struct wmi_cmd_error_event *ev;
1229 	ev = (struct wmi_cmd_error_event *) datap;
1230 
1231 	switch (ev->err_code) {
1232 	case INVALID_PARAM:
1233 		type = "invalid parameter";
1234 		break;
1235 	case ILLEGAL_STATE:
1236 		type = "invalid state";
1237 		break;
1238 	case INTERNAL_ERROR:
1239 		type = "internal error";
1240 		break;
1241 	}
1242 
1243 	ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1244 		   ev->cmd_id, type);
1245 
1246 	return 0;
1247 }
1248 
1249 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1250 				     struct ath6kl_vif *vif)
1251 {
1252 	ath6kl_tgt_stats_event(vif, datap, len);
1253 
1254 	return 0;
1255 }
1256 
1257 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1258 					 struct sq_threshold_params *sq_thresh,
1259 					 u32 size)
1260 {
1261 	u32 index;
1262 	u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1263 
1264 	/* The list is already in sorted order. Get the next lower value */
1265 	for (index = 0; index < size; index++) {
1266 		if (rssi < sq_thresh->upper_threshold[index]) {
1267 			threshold = (u8) sq_thresh->upper_threshold[index];
1268 			break;
1269 		}
1270 	}
1271 
1272 	return threshold;
1273 }
1274 
1275 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1276 					 struct sq_threshold_params *sq_thresh,
1277 					 u32 size)
1278 {
1279 	u32 index;
1280 	u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1281 
1282 	/* The list is already in sorted order. Get the next lower value */
1283 	for (index = 0; index < size; index++) {
1284 		if (rssi > sq_thresh->lower_threshold[index]) {
1285 			threshold = (u8) sq_thresh->lower_threshold[index];
1286 			break;
1287 		}
1288 	}
1289 
1290 	return threshold;
1291 }
1292 
1293 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1294 			struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1295 {
1296 	struct sk_buff *skb;
1297 	struct wmi_rssi_threshold_params_cmd *cmd;
1298 
1299 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1300 	if (!skb)
1301 		return -ENOMEM;
1302 
1303 	cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1304 	memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1305 
1306 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1307 				   NO_SYNC_WMIFLAG);
1308 }
1309 
1310 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1311 					      int len)
1312 {
1313 	struct wmi_rssi_threshold_event *reply;
1314 	struct wmi_rssi_threshold_params_cmd cmd;
1315 	struct sq_threshold_params *sq_thresh;
1316 	enum wmi_rssi_threshold_val new_threshold;
1317 	u8 upper_rssi_threshold, lower_rssi_threshold;
1318 	s16 rssi;
1319 	int ret;
1320 
1321 	if (len < sizeof(struct wmi_rssi_threshold_event))
1322 		return -EINVAL;
1323 
1324 	reply = (struct wmi_rssi_threshold_event *) datap;
1325 	new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1326 	rssi = a_sle16_to_cpu(reply->rssi);
1327 
1328 	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1329 
1330 	/*
1331 	 * Identify the threshold breached and communicate that to the app.
1332 	 * After that install a new set of thresholds based on the signal
1333 	 * quality reported by the target
1334 	 */
1335 	if (new_threshold) {
1336 		/* Upper threshold breached */
1337 		if (rssi < sq_thresh->upper_threshold[0]) {
1338 			ath6kl_dbg(ATH6KL_DBG_WMI,
1339 				"spurious upper rssi threshold event: %d\n",
1340 				rssi);
1341 		} else if ((rssi < sq_thresh->upper_threshold[1]) &&
1342 			   (rssi >= sq_thresh->upper_threshold[0])) {
1343 			new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1344 		} else if ((rssi < sq_thresh->upper_threshold[2]) &&
1345 			   (rssi >= sq_thresh->upper_threshold[1])) {
1346 			new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1347 		} else if ((rssi < sq_thresh->upper_threshold[3]) &&
1348 			   (rssi >= sq_thresh->upper_threshold[2])) {
1349 			new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1350 		} else if ((rssi < sq_thresh->upper_threshold[4]) &&
1351 			   (rssi >= sq_thresh->upper_threshold[3])) {
1352 			new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1353 		} else if ((rssi < sq_thresh->upper_threshold[5]) &&
1354 			   (rssi >= sq_thresh->upper_threshold[4])) {
1355 			new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1356 		} else if (rssi >= sq_thresh->upper_threshold[5]) {
1357 			new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1358 		}
1359 	} else {
1360 		/* Lower threshold breached */
1361 		if (rssi > sq_thresh->lower_threshold[0]) {
1362 			ath6kl_dbg(ATH6KL_DBG_WMI,
1363 				"spurious lower rssi threshold event: %d %d\n",
1364 				rssi, sq_thresh->lower_threshold[0]);
1365 		} else if ((rssi > sq_thresh->lower_threshold[1]) &&
1366 			   (rssi <= sq_thresh->lower_threshold[0])) {
1367 			new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1368 		} else if ((rssi > sq_thresh->lower_threshold[2]) &&
1369 			   (rssi <= sq_thresh->lower_threshold[1])) {
1370 			new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1371 		} else if ((rssi > sq_thresh->lower_threshold[3]) &&
1372 			   (rssi <= sq_thresh->lower_threshold[2])) {
1373 			new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1374 		} else if ((rssi > sq_thresh->lower_threshold[4]) &&
1375 			   (rssi <= sq_thresh->lower_threshold[3])) {
1376 			new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1377 		} else if ((rssi > sq_thresh->lower_threshold[5]) &&
1378 			   (rssi <= sq_thresh->lower_threshold[4])) {
1379 			new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1380 		} else if (rssi <= sq_thresh->lower_threshold[5]) {
1381 			new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1382 		}
1383 	}
1384 
1385 	/* Calculate and install the next set of thresholds */
1386 	lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1387 				       sq_thresh->lower_threshold_valid_count);
1388 	upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1389 				       sq_thresh->upper_threshold_valid_count);
1390 
1391 	/* Issue a wmi command to install the thresholds */
1392 	cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1393 	cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1394 	cmd.weight = sq_thresh->weight;
1395 	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1396 
1397 	ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1398 	if (ret) {
1399 		ath6kl_err("unable to configure rssi thresholds\n");
1400 		return -EIO;
1401 	}
1402 
1403 	return 0;
1404 }
1405 
1406 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1407 				   struct ath6kl_vif *vif)
1408 {
1409 	struct wmi_cac_event *reply;
1410 	struct ieee80211_tspec_ie *ts;
1411 	u16 active_tsids, tsinfo;
1412 	u8 tsid, index;
1413 	u8 ts_id;
1414 
1415 	if (len < sizeof(struct wmi_cac_event))
1416 		return -EINVAL;
1417 
1418 	reply = (struct wmi_cac_event *) datap;
1419 
1420 	if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1421 	    (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1422 
1423 		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1424 		tsinfo = le16_to_cpu(ts->tsinfo);
1425 		tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1426 			IEEE80211_WMM_IE_TSPEC_TID_MASK;
1427 
1428 		ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1429 					      reply->ac, tsid);
1430 	} else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1431 		/*
1432 		 * Following assumes that there is only one outstanding
1433 		 * ADDTS request when this event is received
1434 		 */
1435 		spin_lock_bh(&wmi->lock);
1436 		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1437 		spin_unlock_bh(&wmi->lock);
1438 
1439 		for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1440 			if ((active_tsids >> index) & 1)
1441 				break;
1442 		}
1443 		if (index < (sizeof(active_tsids) * 8))
1444 			ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1445 						      reply->ac, index);
1446 	}
1447 
1448 	/*
1449 	 * Clear active tsids and Add missing handling
1450 	 * for delete qos stream from AP
1451 	 */
1452 	else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1453 
1454 		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1455 		tsinfo = le16_to_cpu(ts->tsinfo);
1456 		ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1457 			 IEEE80211_WMM_IE_TSPEC_TID_MASK);
1458 
1459 		spin_lock_bh(&wmi->lock);
1460 		wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1461 		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1462 		spin_unlock_bh(&wmi->lock);
1463 
1464 		/* Indicate stream inactivity to driver layer only if all tsids
1465 		 * within this AC are deleted.
1466 		 */
1467 		if (!active_tsids) {
1468 			ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1469 						    false);
1470 			wmi->fat_pipe_exist &= ~(1 << reply->ac);
1471 		}
1472 	}
1473 
1474 	return 0;
1475 }
1476 
1477 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1478 			struct wmi_snr_threshold_params_cmd *snr_cmd)
1479 {
1480 	struct sk_buff *skb;
1481 	struct wmi_snr_threshold_params_cmd *cmd;
1482 
1483 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1484 	if (!skb)
1485 		return -ENOMEM;
1486 
1487 	cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1488 	memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1489 
1490 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1491 				   NO_SYNC_WMIFLAG);
1492 }
1493 
1494 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1495 					     int len)
1496 {
1497 	struct wmi_snr_threshold_event *reply;
1498 	struct sq_threshold_params *sq_thresh;
1499 	struct wmi_snr_threshold_params_cmd cmd;
1500 	enum wmi_snr_threshold_val new_threshold;
1501 	u8 upper_snr_threshold, lower_snr_threshold;
1502 	s16 snr;
1503 	int ret;
1504 
1505 	if (len < sizeof(struct wmi_snr_threshold_event))
1506 		return -EINVAL;
1507 
1508 	reply = (struct wmi_snr_threshold_event *) datap;
1509 
1510 	new_threshold = (enum wmi_snr_threshold_val) reply->range;
1511 	snr = reply->snr;
1512 
1513 	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1514 
1515 	/*
1516 	 * Identify the threshold breached and communicate that to the app.
1517 	 * After that install a new set of thresholds based on the signal
1518 	 * quality reported by the target.
1519 	 */
1520 	if (new_threshold) {
1521 		/* Upper threshold breached */
1522 		if (snr < sq_thresh->upper_threshold[0]) {
1523 			ath6kl_dbg(ATH6KL_DBG_WMI,
1524 				"spurious upper snr threshold event: %d\n",
1525 				snr);
1526 		} else if ((snr < sq_thresh->upper_threshold[1]) &&
1527 			   (snr >= sq_thresh->upper_threshold[0])) {
1528 			new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1529 		} else if ((snr < sq_thresh->upper_threshold[2]) &&
1530 			   (snr >= sq_thresh->upper_threshold[1])) {
1531 			new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1532 		} else if ((snr < sq_thresh->upper_threshold[3]) &&
1533 			   (snr >= sq_thresh->upper_threshold[2])) {
1534 			new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1535 		} else if (snr >= sq_thresh->upper_threshold[3]) {
1536 			new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1537 		}
1538 	} else {
1539 		/* Lower threshold breached */
1540 		if (snr > sq_thresh->lower_threshold[0]) {
1541 			ath6kl_dbg(ATH6KL_DBG_WMI,
1542 				"spurious lower snr threshold event: %d\n",
1543 				sq_thresh->lower_threshold[0]);
1544 		} else if ((snr > sq_thresh->lower_threshold[1]) &&
1545 			   (snr <= sq_thresh->lower_threshold[0])) {
1546 			new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1547 		} else if ((snr > sq_thresh->lower_threshold[2]) &&
1548 			   (snr <= sq_thresh->lower_threshold[1])) {
1549 			new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1550 		} else if ((snr > sq_thresh->lower_threshold[3]) &&
1551 			   (snr <= sq_thresh->lower_threshold[2])) {
1552 			new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1553 		} else if (snr <= sq_thresh->lower_threshold[3]) {
1554 			new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1555 		}
1556 	}
1557 
1558 	/* Calculate and install the next set of thresholds */
1559 	lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1560 				       sq_thresh->lower_threshold_valid_count);
1561 	upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1562 				       sq_thresh->upper_threshold_valid_count);
1563 
1564 	/* Issue a wmi command to install the thresholds */
1565 	cmd.thresh_above1_val = upper_snr_threshold;
1566 	cmd.thresh_below1_val = lower_snr_threshold;
1567 	cmd.weight = sq_thresh->weight;
1568 	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1569 
1570 	ath6kl_dbg(ATH6KL_DBG_WMI,
1571 		   "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1572 		   snr, new_threshold,
1573 		   lower_snr_threshold, upper_snr_threshold);
1574 
1575 	ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1576 	if (ret) {
1577 		ath6kl_err("unable to configure snr threshold\n");
1578 		return -EIO;
1579 	}
1580 
1581 	return 0;
1582 }
1583 
1584 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1585 {
1586 	u16 ap_info_entry_size;
1587 	struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1588 	struct wmi_ap_info_v1 *ap_info_v1;
1589 	u8 index;
1590 
1591 	if (len < sizeof(struct wmi_aplist_event) ||
1592 	    ev->ap_list_ver != APLIST_VER1)
1593 		return -EINVAL;
1594 
1595 	ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1596 	ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1597 
1598 	ath6kl_dbg(ATH6KL_DBG_WMI,
1599 		   "number of APs in aplist event: %d\n", ev->num_ap);
1600 
1601 	if (len < (int) (sizeof(struct wmi_aplist_event) +
1602 			 (ev->num_ap - 1) * ap_info_entry_size))
1603 		return -EINVAL;
1604 
1605 	/* AP list version 1 contents */
1606 	for (index = 0; index < ev->num_ap; index++) {
1607 		ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1608 			   index, ap_info_v1->bssid, ap_info_v1->channel);
1609 		ap_info_v1++;
1610 	}
1611 
1612 	return 0;
1613 }
1614 
1615 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1616 			enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1617 {
1618 	struct wmi_cmd_hdr *cmd_hdr;
1619 	enum htc_endpoint_id ep_id = wmi->ep_id;
1620 	int ret;
1621 	u16 info1;
1622 
1623 	if (WARN_ON(skb == NULL || (if_idx > (MAX_NUM_VIF - 1))))
1624 		return -EINVAL;
1625 
1626 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1627 		   cmd_id, skb->len, sync_flag);
1628 	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1629 			skb->data, skb->len);
1630 
1631 	if (sync_flag >= END_WMIFLAG) {
1632 		dev_kfree_skb(skb);
1633 		return -EINVAL;
1634 	}
1635 
1636 	if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1637 	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1638 		/*
1639 		 * Make sure all data currently queued is transmitted before
1640 		 * the cmd execution.  Establish a new sync point.
1641 		 */
1642 		ath6kl_wmi_sync_point(wmi, if_idx);
1643 	}
1644 
1645 	skb_push(skb, sizeof(struct wmi_cmd_hdr));
1646 
1647 	cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1648 	cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1649 	info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1650 	cmd_hdr->info1 = cpu_to_le16(info1);
1651 
1652 	/* Only for OPT_TX_CMD, use BE endpoint. */
1653 	if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1654 		ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1655 					      false, false, 0, NULL, if_idx);
1656 		if (ret) {
1657 			dev_kfree_skb(skb);
1658 			return ret;
1659 		}
1660 		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1661 	}
1662 
1663 	ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1664 
1665 	if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1666 	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1667 		/*
1668 		 * Make sure all new data queued waits for the command to
1669 		 * execute. Establish a new sync point.
1670 		 */
1671 		ath6kl_wmi_sync_point(wmi, if_idx);
1672 	}
1673 
1674 	return 0;
1675 }
1676 
1677 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1678 			   enum network_type nw_type,
1679 			   enum dot11_auth_mode dot11_auth_mode,
1680 			   enum auth_mode auth_mode,
1681 			   enum crypto_type pairwise_crypto,
1682 			   u8 pairwise_crypto_len,
1683 			   enum crypto_type group_crypto,
1684 			   u8 group_crypto_len, int ssid_len, u8 *ssid,
1685 			   u8 *bssid, u16 channel, u32 ctrl_flags)
1686 {
1687 	struct sk_buff *skb;
1688 	struct wmi_connect_cmd *cc;
1689 	int ret;
1690 
1691 	ath6kl_dbg(ATH6KL_DBG_WMI,
1692 		   "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1693 		   "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1694 		   bssid, channel, ctrl_flags, ssid_len, nw_type,
1695 		   dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1696 	ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1697 
1698 	wmi->traffic_class = 100;
1699 
1700 	if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1701 		return -EINVAL;
1702 
1703 	if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1704 		return -EINVAL;
1705 
1706 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1707 	if (!skb)
1708 		return -ENOMEM;
1709 
1710 	cc = (struct wmi_connect_cmd *) skb->data;
1711 
1712 	if (ssid_len)
1713 		memcpy(cc->ssid, ssid, ssid_len);
1714 
1715 	cc->ssid_len = ssid_len;
1716 	cc->nw_type = nw_type;
1717 	cc->dot11_auth_mode = dot11_auth_mode;
1718 	cc->auth_mode = auth_mode;
1719 	cc->prwise_crypto_type = pairwise_crypto;
1720 	cc->prwise_crypto_len = pairwise_crypto_len;
1721 	cc->grp_crypto_type = group_crypto;
1722 	cc->grp_crypto_len = group_crypto_len;
1723 	cc->ch = cpu_to_le16(channel);
1724 	cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1725 
1726 	if (bssid != NULL)
1727 		memcpy(cc->bssid, bssid, ETH_ALEN);
1728 
1729 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1730 				  NO_SYNC_WMIFLAG);
1731 
1732 	return ret;
1733 }
1734 
1735 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1736 			     u16 channel)
1737 {
1738 	struct sk_buff *skb;
1739 	struct wmi_reconnect_cmd *cc;
1740 	int ret;
1741 
1742 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1743 		   bssid, channel);
1744 
1745 	wmi->traffic_class = 100;
1746 
1747 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1748 	if (!skb)
1749 		return -ENOMEM;
1750 
1751 	cc = (struct wmi_reconnect_cmd *) skb->data;
1752 	cc->channel = cpu_to_le16(channel);
1753 
1754 	if (bssid != NULL)
1755 		memcpy(cc->bssid, bssid, ETH_ALEN);
1756 
1757 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1758 				  NO_SYNC_WMIFLAG);
1759 
1760 	return ret;
1761 }
1762 
1763 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1764 {
1765 	int ret;
1766 
1767 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1768 
1769 	wmi->traffic_class = 100;
1770 
1771 	/* Disconnect command does not need to do a SYNC before. */
1772 	ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1773 
1774 	return ret;
1775 }
1776 
1777 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1778 			     enum wmi_scan_type scan_type,
1779 			     u32 force_fgscan, u32 is_legacy,
1780 			     u32 home_dwell_time, u32 force_scan_interval,
1781 			     s8 num_chan, u16 *ch_list)
1782 {
1783 	struct sk_buff *skb;
1784 	struct wmi_start_scan_cmd *sc;
1785 	s8 size;
1786 	int i, ret;
1787 
1788 	size = sizeof(struct wmi_start_scan_cmd);
1789 
1790 	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1791 		return -EINVAL;
1792 
1793 	if (num_chan > WMI_MAX_CHANNELS)
1794 		return -EINVAL;
1795 
1796 	if (num_chan)
1797 		size += sizeof(u16) * (num_chan - 1);
1798 
1799 	skb = ath6kl_wmi_get_new_buf(size);
1800 	if (!skb)
1801 		return -ENOMEM;
1802 
1803 	sc = (struct wmi_start_scan_cmd *) skb->data;
1804 	sc->scan_type = scan_type;
1805 	sc->force_fg_scan = cpu_to_le32(force_fgscan);
1806 	sc->is_legacy = cpu_to_le32(is_legacy);
1807 	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1808 	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1809 	sc->num_ch = num_chan;
1810 
1811 	for (i = 0; i < num_chan; i++)
1812 		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1813 
1814 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1815 				  NO_SYNC_WMIFLAG);
1816 
1817 	return ret;
1818 }
1819 
1820 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1821 			      u16 fg_start_sec,
1822 			      u16 fg_end_sec, u16 bg_sec,
1823 			      u16 minact_chdw_msec, u16 maxact_chdw_msec,
1824 			      u16 pas_chdw_msec, u8 short_scan_ratio,
1825 			      u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1826 			      u16 maxact_scan_per_ssid)
1827 {
1828 	struct sk_buff *skb;
1829 	struct wmi_scan_params_cmd *sc;
1830 	int ret;
1831 
1832 	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1833 	if (!skb)
1834 		return -ENOMEM;
1835 
1836 	sc = (struct wmi_scan_params_cmd *) skb->data;
1837 	sc->fg_start_period = cpu_to_le16(fg_start_sec);
1838 	sc->fg_end_period = cpu_to_le16(fg_end_sec);
1839 	sc->bg_period = cpu_to_le16(bg_sec);
1840 	sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1841 	sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1842 	sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1843 	sc->short_scan_ratio = short_scan_ratio;
1844 	sc->scan_ctrl_flags = scan_ctrl_flag;
1845 	sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1846 	sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1847 
1848 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1849 				  NO_SYNC_WMIFLAG);
1850 	return ret;
1851 }
1852 
1853 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1854 {
1855 	struct sk_buff *skb;
1856 	struct wmi_bss_filter_cmd *cmd;
1857 	int ret;
1858 
1859 	if (filter >= LAST_BSS_FILTER)
1860 		return -EINVAL;
1861 
1862 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1863 	if (!skb)
1864 		return -ENOMEM;
1865 
1866 	cmd = (struct wmi_bss_filter_cmd *) skb->data;
1867 	cmd->bss_filter = filter;
1868 	cmd->ie_mask = cpu_to_le32(ie_mask);
1869 
1870 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
1871 				  NO_SYNC_WMIFLAG);
1872 	return ret;
1873 }
1874 
1875 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
1876 			      u8 ssid_len, u8 *ssid)
1877 {
1878 	struct sk_buff *skb;
1879 	struct wmi_probed_ssid_cmd *cmd;
1880 	int ret;
1881 
1882 	if (index > MAX_PROBED_SSID_INDEX)
1883 		return -EINVAL;
1884 
1885 	if (ssid_len > sizeof(cmd->ssid))
1886 		return -EINVAL;
1887 
1888 	if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1889 		return -EINVAL;
1890 
1891 	if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1892 		return -EINVAL;
1893 
1894 	if (flag & SPECIFIC_SSID_FLAG)
1895 		wmi->is_probe_ssid = true;
1896 
1897 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1898 	if (!skb)
1899 		return -ENOMEM;
1900 
1901 	cmd = (struct wmi_probed_ssid_cmd *) skb->data;
1902 	cmd->entry_index = index;
1903 	cmd->flag = flag;
1904 	cmd->ssid_len = ssid_len;
1905 	memcpy(cmd->ssid, ssid, ssid_len);
1906 
1907 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
1908 				  NO_SYNC_WMIFLAG);
1909 	return ret;
1910 }
1911 
1912 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
1913 				  u16 listen_interval,
1914 				  u16 listen_beacons)
1915 {
1916 	struct sk_buff *skb;
1917 	struct wmi_listen_int_cmd *cmd;
1918 	int ret;
1919 
1920 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1921 	if (!skb)
1922 		return -ENOMEM;
1923 
1924 	cmd = (struct wmi_listen_int_cmd *) skb->data;
1925 	cmd->listen_intvl = cpu_to_le16(listen_interval);
1926 	cmd->num_beacons = cpu_to_le16(listen_beacons);
1927 
1928 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
1929 				  NO_SYNC_WMIFLAG);
1930 	return ret;
1931 }
1932 
1933 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
1934 {
1935 	struct sk_buff *skb;
1936 	struct wmi_power_mode_cmd *cmd;
1937 	int ret;
1938 
1939 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1940 	if (!skb)
1941 		return -ENOMEM;
1942 
1943 	cmd = (struct wmi_power_mode_cmd *) skb->data;
1944 	cmd->pwr_mode = pwr_mode;
1945 	wmi->pwr_mode = pwr_mode;
1946 
1947 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
1948 				  NO_SYNC_WMIFLAG);
1949 	return ret;
1950 }
1951 
1952 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
1953 			    u16 ps_poll_num, u16 dtim_policy,
1954 			    u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
1955 			    u16 ps_fail_event_policy)
1956 {
1957 	struct sk_buff *skb;
1958 	struct wmi_power_params_cmd *pm;
1959 	int ret;
1960 
1961 	skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
1962 	if (!skb)
1963 		return -ENOMEM;
1964 
1965 	pm = (struct wmi_power_params_cmd *)skb->data;
1966 	pm->idle_period = cpu_to_le16(idle_period);
1967 	pm->pspoll_number = cpu_to_le16(ps_poll_num);
1968 	pm->dtim_policy = cpu_to_le16(dtim_policy);
1969 	pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
1970 	pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
1971 	pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
1972 
1973 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
1974 				  NO_SYNC_WMIFLAG);
1975 	return ret;
1976 }
1977 
1978 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
1979 {
1980 	struct sk_buff *skb;
1981 	struct wmi_disc_timeout_cmd *cmd;
1982 	int ret;
1983 
1984 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1985 	if (!skb)
1986 		return -ENOMEM;
1987 
1988 	cmd = (struct wmi_disc_timeout_cmd *) skb->data;
1989 	cmd->discon_timeout = timeout;
1990 
1991 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
1992 				  NO_SYNC_WMIFLAG);
1993 
1994 	if (ret == 0)
1995 		ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
1996 
1997 	return ret;
1998 }
1999 
2000 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2001 			  enum crypto_type key_type,
2002 			  u8 key_usage, u8 key_len,
2003 			  u8 *key_rsc, u8 *key_material,
2004 			  u8 key_op_ctrl, u8 *mac_addr,
2005 			  enum wmi_sync_flag sync_flag)
2006 {
2007 	struct sk_buff *skb;
2008 	struct wmi_add_cipher_key_cmd *cmd;
2009 	int ret;
2010 
2011 	ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
2012 		   "key_usage=%d key_len=%d key_op_ctrl=%d\n",
2013 		   key_index, key_type, key_usage, key_len, key_op_ctrl);
2014 
2015 	if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2016 	    (key_material == NULL))
2017 		return -EINVAL;
2018 
2019 	if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2020 		return -EINVAL;
2021 
2022 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2023 	if (!skb)
2024 		return -ENOMEM;
2025 
2026 	cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2027 	cmd->key_index = key_index;
2028 	cmd->key_type = key_type;
2029 	cmd->key_usage = key_usage;
2030 	cmd->key_len = key_len;
2031 	memcpy(cmd->key, key_material, key_len);
2032 
2033 	if (key_rsc != NULL)
2034 		memcpy(cmd->key_rsc, key_rsc, sizeof(cmd->key_rsc));
2035 
2036 	cmd->key_op_ctrl = key_op_ctrl;
2037 
2038 	if (mac_addr)
2039 		memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2040 
2041 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2042 				  sync_flag);
2043 
2044 	return ret;
2045 }
2046 
2047 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2048 {
2049 	struct sk_buff *skb;
2050 	struct wmi_add_krk_cmd *cmd;
2051 	int ret;
2052 
2053 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2054 	if (!skb)
2055 		return -ENOMEM;
2056 
2057 	cmd = (struct wmi_add_krk_cmd *) skb->data;
2058 	memcpy(cmd->krk, krk, WMI_KRK_LEN);
2059 
2060 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2061 				  NO_SYNC_WMIFLAG);
2062 
2063 	return ret;
2064 }
2065 
2066 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2067 {
2068 	struct sk_buff *skb;
2069 	struct wmi_delete_cipher_key_cmd *cmd;
2070 	int ret;
2071 
2072 	if (key_index > WMI_MAX_KEY_INDEX)
2073 		return -EINVAL;
2074 
2075 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2076 	if (!skb)
2077 		return -ENOMEM;
2078 
2079 	cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2080 	cmd->key_index = key_index;
2081 
2082 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2083 				  NO_SYNC_WMIFLAG);
2084 
2085 	return ret;
2086 }
2087 
2088 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2089 			    const u8 *pmkid, bool set)
2090 {
2091 	struct sk_buff *skb;
2092 	struct wmi_setpmkid_cmd *cmd;
2093 	int ret;
2094 
2095 	if (bssid == NULL)
2096 		return -EINVAL;
2097 
2098 	if (set && pmkid == NULL)
2099 		return -EINVAL;
2100 
2101 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2102 	if (!skb)
2103 		return -ENOMEM;
2104 
2105 	cmd = (struct wmi_setpmkid_cmd *) skb->data;
2106 	memcpy(cmd->bssid, bssid, ETH_ALEN);
2107 	if (set) {
2108 		memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2109 		cmd->enable = PMKID_ENABLE;
2110 	} else {
2111 		memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2112 		cmd->enable = PMKID_DISABLE;
2113 	}
2114 
2115 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2116 				  NO_SYNC_WMIFLAG);
2117 
2118 	return ret;
2119 }
2120 
2121 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2122 			      enum htc_endpoint_id ep_id, u8 if_idx)
2123 {
2124 	struct wmi_data_hdr *data_hdr;
2125 	int ret;
2126 
2127 	if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2128 		return -EINVAL;
2129 
2130 	skb_push(skb, sizeof(struct wmi_data_hdr));
2131 
2132 	data_hdr = (struct wmi_data_hdr *) skb->data;
2133 	data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2134 	data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2135 
2136 	ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2137 
2138 	return ret;
2139 }
2140 
2141 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2142 {
2143 	struct sk_buff *skb;
2144 	struct wmi_sync_cmd *cmd;
2145 	struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2146 	enum htc_endpoint_id ep_id;
2147 	u8 index, num_pri_streams = 0;
2148 	int ret = 0;
2149 
2150 	memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2151 
2152 	spin_lock_bh(&wmi->lock);
2153 
2154 	for (index = 0; index < WMM_NUM_AC; index++) {
2155 		if (wmi->fat_pipe_exist & (1 << index)) {
2156 			num_pri_streams++;
2157 			data_sync_bufs[num_pri_streams - 1].traffic_class =
2158 			    index;
2159 		}
2160 	}
2161 
2162 	spin_unlock_bh(&wmi->lock);
2163 
2164 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2165 	if (!skb) {
2166 		ret = -ENOMEM;
2167 		goto free_skb;
2168 	}
2169 
2170 	cmd = (struct wmi_sync_cmd *) skb->data;
2171 
2172 	/*
2173 	 * In the SYNC cmd sent on the control Ep, send a bitmap
2174 	 * of the data eps on which the Data Sync will be sent
2175 	 */
2176 	cmd->data_sync_map = wmi->fat_pipe_exist;
2177 
2178 	for (index = 0; index < num_pri_streams; index++) {
2179 		data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2180 		if (data_sync_bufs[index].skb == NULL) {
2181 			ret = -ENOMEM;
2182 			break;
2183 		}
2184 	}
2185 
2186 	/*
2187 	 * If buffer allocation for any of the dataSync fails,
2188 	 * then do not send the Synchronize cmd on the control ep
2189 	 */
2190 	if (ret)
2191 		goto free_skb;
2192 
2193 	/*
2194 	 * Send sync cmd followed by sync data messages on all
2195 	 * endpoints being used
2196 	 */
2197 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2198 				  NO_SYNC_WMIFLAG);
2199 
2200 	if (ret)
2201 		goto free_skb;
2202 
2203 	/* cmd buffer sent, we no longer own it */
2204 	skb = NULL;
2205 
2206 	for (index = 0; index < num_pri_streams; index++) {
2207 
2208 		if (WARN_ON(!data_sync_bufs[index].skb))
2209 			break;
2210 
2211 		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2212 					       data_sync_bufs[index].
2213 					       traffic_class);
2214 		ret =
2215 		    ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2216 					      ep_id, if_idx);
2217 
2218 		if (ret)
2219 			break;
2220 
2221 		data_sync_bufs[index].skb = NULL;
2222 	}
2223 
2224 free_skb:
2225 	/* free up any resources left over (possibly due to an error) */
2226 	if (skb)
2227 		dev_kfree_skb(skb);
2228 
2229 	for (index = 0; index < num_pri_streams; index++) {
2230 		if (data_sync_bufs[index].skb != NULL) {
2231 			dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2232 				      skb);
2233 		}
2234 	}
2235 
2236 	return ret;
2237 }
2238 
2239 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2240 				  struct wmi_create_pstream_cmd *params)
2241 {
2242 	struct sk_buff *skb;
2243 	struct wmi_create_pstream_cmd *cmd;
2244 	u8 fatpipe_exist_for_ac = 0;
2245 	s32 min_phy = 0;
2246 	s32 nominal_phy = 0;
2247 	int ret;
2248 
2249 	if (!((params->user_pri < 8) &&
2250 	      (params->user_pri <= 0x7) &&
2251 	      (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2252 	      (params->traffic_direc == UPLINK_TRAFFIC ||
2253 	       params->traffic_direc == DNLINK_TRAFFIC ||
2254 	       params->traffic_direc == BIDIR_TRAFFIC) &&
2255 	      (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2256 	       params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2257 	      (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2258 	       params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2259 	       params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2260 	      (params->tsid == WMI_IMPLICIT_PSTREAM ||
2261 	       params->tsid <= WMI_MAX_THINSTREAM))) {
2262 		return -EINVAL;
2263 	}
2264 
2265 	/*
2266 	 * Check nominal PHY rate is >= minimalPHY,
2267 	 * so that DUT can allow TSRS IE
2268 	 */
2269 
2270 	/* Get the physical rate (units of bps) */
2271 	min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2272 
2273 	/* Check minimal phy < nominal phy rate */
2274 	if (params->nominal_phy >= min_phy) {
2275 		/* unit of 500 kbps */
2276 		nominal_phy = (params->nominal_phy * 1000) / 500;
2277 		ath6kl_dbg(ATH6KL_DBG_WMI,
2278 			   "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2279 			   min_phy, nominal_phy);
2280 
2281 		params->nominal_phy = nominal_phy;
2282 	} else {
2283 		params->nominal_phy = 0;
2284 	}
2285 
2286 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2287 	if (!skb)
2288 		return -ENOMEM;
2289 
2290 	ath6kl_dbg(ATH6KL_DBG_WMI,
2291 		   "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2292 		   params->traffic_class, params->tsid);
2293 
2294 	cmd = (struct wmi_create_pstream_cmd *) skb->data;
2295 	memcpy(cmd, params, sizeof(*cmd));
2296 
2297 	/* This is an implicitly created Fat pipe */
2298 	if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2299 		spin_lock_bh(&wmi->lock);
2300 		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2301 					(1 << params->traffic_class));
2302 		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2303 		spin_unlock_bh(&wmi->lock);
2304 	} else {
2305 		/* explicitly created thin stream within a fat pipe */
2306 		spin_lock_bh(&wmi->lock);
2307 		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2308 					(1 << params->traffic_class));
2309 		wmi->stream_exist_for_ac[params->traffic_class] |=
2310 		    (1 << params->tsid);
2311 		/*
2312 		 * If a thinstream becomes active, the fat pipe automatically
2313 		 * becomes active
2314 		 */
2315 		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2316 		spin_unlock_bh(&wmi->lock);
2317 	}
2318 
2319 	/*
2320 	 * Indicate activty change to driver layer only if this is the
2321 	 * first TSID to get created in this AC explicitly or an implicit
2322 	 * fat pipe is getting created.
2323 	 */
2324 	if (!fatpipe_exist_for_ac)
2325 		ath6kl_indicate_tx_activity(wmi->parent_dev,
2326 					    params->traffic_class, true);
2327 
2328 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2329 				  NO_SYNC_WMIFLAG);
2330 	return ret;
2331 }
2332 
2333 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2334 				  u8 tsid)
2335 {
2336 	struct sk_buff *skb;
2337 	struct wmi_delete_pstream_cmd *cmd;
2338 	u16 active_tsids = 0;
2339 	int ret;
2340 
2341 	if (traffic_class > 3) {
2342 		ath6kl_err("invalid traffic class: %d\n", traffic_class);
2343 		return -EINVAL;
2344 	}
2345 
2346 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2347 	if (!skb)
2348 		return -ENOMEM;
2349 
2350 	cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2351 	cmd->traffic_class = traffic_class;
2352 	cmd->tsid = tsid;
2353 
2354 	spin_lock_bh(&wmi->lock);
2355 	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2356 	spin_unlock_bh(&wmi->lock);
2357 
2358 	if (!(active_tsids & (1 << tsid))) {
2359 		dev_kfree_skb(skb);
2360 		ath6kl_dbg(ATH6KL_DBG_WMI,
2361 			   "TSID %d doesn't exist for traffic class: %d\n",
2362 			   tsid, traffic_class);
2363 		return -ENODATA;
2364 	}
2365 
2366 	ath6kl_dbg(ATH6KL_DBG_WMI,
2367 		   "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2368 		   traffic_class, tsid);
2369 
2370 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2371 				  SYNC_BEFORE_WMIFLAG);
2372 
2373 	spin_lock_bh(&wmi->lock);
2374 	wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2375 	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2376 	spin_unlock_bh(&wmi->lock);
2377 
2378 	/*
2379 	 * Indicate stream inactivity to driver layer only if all tsids
2380 	 * within this AC are deleted.
2381 	 */
2382 	if (!active_tsids) {
2383 		ath6kl_indicate_tx_activity(wmi->parent_dev,
2384 					    traffic_class, false);
2385 		wmi->fat_pipe_exist &= ~(1 << traffic_class);
2386 	}
2387 
2388 	return ret;
2389 }
2390 
2391 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, struct wmi_set_ip_cmd *ip_cmd)
2392 {
2393 	struct sk_buff *skb;
2394 	struct wmi_set_ip_cmd *cmd;
2395 	int ret;
2396 
2397 	/* Multicast address are not valid */
2398 	if ((*((u8 *) &ip_cmd->ips[0]) >= 0xE0) ||
2399 	    (*((u8 *) &ip_cmd->ips[1]) >= 0xE0))
2400 		return -EINVAL;
2401 
2402 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2403 	if (!skb)
2404 		return -ENOMEM;
2405 
2406 	cmd = (struct wmi_set_ip_cmd *) skb->data;
2407 	memcpy(cmd, ip_cmd, sizeof(struct wmi_set_ip_cmd));
2408 
2409 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_IP_CMDID,
2410 				  NO_SYNC_WMIFLAG);
2411 	return ret;
2412 }
2413 
2414 static int ath6kl_wmi_get_wow_list_event_rx(struct wmi *wmi, u8 * datap,
2415 					    int len)
2416 {
2417 	if (len < sizeof(struct wmi_get_wow_list_reply))
2418 		return -EINVAL;
2419 
2420 	return 0;
2421 }
2422 
2423 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2424 				    enum wmix_command_id cmd_id,
2425 				    enum wmi_sync_flag sync_flag)
2426 {
2427 	struct wmix_cmd_hdr *cmd_hdr;
2428 	int ret;
2429 
2430 	skb_push(skb, sizeof(struct wmix_cmd_hdr));
2431 
2432 	cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2433 	cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2434 
2435 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2436 
2437 	return ret;
2438 }
2439 
2440 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2441 {
2442 	struct sk_buff *skb;
2443 	struct wmix_hb_challenge_resp_cmd *cmd;
2444 	int ret;
2445 
2446 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2447 	if (!skb)
2448 		return -ENOMEM;
2449 
2450 	cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2451 	cmd->cookie = cpu_to_le32(cookie);
2452 	cmd->source = cpu_to_le32(source);
2453 
2454 	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2455 				       NO_SYNC_WMIFLAG);
2456 	return ret;
2457 }
2458 
2459 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2460 {
2461 	struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2462 	struct sk_buff *skb;
2463 	int ret;
2464 
2465 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2466 	if (!skb)
2467 		return -ENOMEM;
2468 
2469 	cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2470 	cmd->valid = cpu_to_le32(valid);
2471 	cmd->config = cpu_to_le32(config);
2472 
2473 	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2474 				       NO_SYNC_WMIFLAG);
2475 	return ret;
2476 }
2477 
2478 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2479 {
2480 	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2481 }
2482 
2483 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2484 {
2485 	struct sk_buff *skb;
2486 	struct wmi_set_tx_pwr_cmd *cmd;
2487 	int ret;
2488 
2489 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2490 	if (!skb)
2491 		return -ENOMEM;
2492 
2493 	cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2494 	cmd->dbM = dbM;
2495 
2496 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2497 				  NO_SYNC_WMIFLAG);
2498 
2499 	return ret;
2500 }
2501 
2502 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2503 {
2504 	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2505 }
2506 
2507 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2508 {
2509 	return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2510 }
2511 
2512 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2513 				 u8 preamble_policy)
2514 {
2515 	struct sk_buff *skb;
2516 	struct wmi_set_lpreamble_cmd *cmd;
2517 	int ret;
2518 
2519 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2520 	if (!skb)
2521 		return -ENOMEM;
2522 
2523 	cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2524 	cmd->status = status;
2525 	cmd->preamble_policy = preamble_policy;
2526 
2527 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2528 				  NO_SYNC_WMIFLAG);
2529 	return ret;
2530 }
2531 
2532 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2533 {
2534 	struct sk_buff *skb;
2535 	struct wmi_set_rts_cmd *cmd;
2536 	int ret;
2537 
2538 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2539 	if (!skb)
2540 		return -ENOMEM;
2541 
2542 	cmd = (struct wmi_set_rts_cmd *) skb->data;
2543 	cmd->threshold = cpu_to_le16(threshold);
2544 
2545 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2546 				  NO_SYNC_WMIFLAG);
2547 	return ret;
2548 }
2549 
2550 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2551 {
2552 	struct sk_buff *skb;
2553 	struct wmi_set_wmm_txop_cmd *cmd;
2554 	int ret;
2555 
2556 	if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2557 		return -EINVAL;
2558 
2559 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2560 	if (!skb)
2561 		return -ENOMEM;
2562 
2563 	cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2564 	cmd->txop_enable = cfg;
2565 
2566 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2567 				  NO_SYNC_WMIFLAG);
2568 	return ret;
2569 }
2570 
2571 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
2572 				 u8 keep_alive_intvl)
2573 {
2574 	struct sk_buff *skb;
2575 	struct wmi_set_keepalive_cmd *cmd;
2576 	int ret;
2577 
2578 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2579 	if (!skb)
2580 		return -ENOMEM;
2581 
2582 	cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2583 	cmd->keep_alive_intvl = keep_alive_intvl;
2584 
2585 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
2586 				  NO_SYNC_WMIFLAG);
2587 
2588 	if (ret == 0)
2589 		ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
2590 
2591 	return ret;
2592 }
2593 
2594 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
2595 {
2596 	struct sk_buff *skb;
2597 	int ret;
2598 
2599 	skb = ath6kl_wmi_get_new_buf(len);
2600 	if (!skb)
2601 		return -ENOMEM;
2602 
2603 	memcpy(skb->data, buf, len);
2604 
2605 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
2606 
2607 	return ret;
2608 }
2609 
2610 
2611 s32 ath6kl_wmi_get_rate(s8 rate_index)
2612 {
2613 	if (rate_index == RATE_AUTO)
2614 		return 0;
2615 
2616 	return wmi_rate_tbl[(u32) rate_index][0];
2617 }
2618 
2619 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2620 					      u32 len)
2621 {
2622 	struct wmi_pmkid_list_reply *reply;
2623 	u32 expected_len;
2624 
2625 	if (len < sizeof(struct wmi_pmkid_list_reply))
2626 		return -EINVAL;
2627 
2628 	reply = (struct wmi_pmkid_list_reply *)datap;
2629 	expected_len = sizeof(reply->num_pmkid) +
2630 		le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2631 
2632 	if (len < expected_len)
2633 		return -EINVAL;
2634 
2635 	return 0;
2636 }
2637 
2638 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2639 					 struct ath6kl_vif *vif)
2640 {
2641 	struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2642 
2643 	aggr_recv_addba_req_evt(vif, cmd->tid,
2644 				le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2645 
2646 	return 0;
2647 }
2648 
2649 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2650 					 struct ath6kl_vif *vif)
2651 {
2652 	struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2653 
2654 	aggr_recv_delba_req_evt(vif, cmd->tid);
2655 
2656 	return 0;
2657 }
2658 
2659 /*  AP mode functions */
2660 
2661 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
2662 				 struct wmi_connect_cmd *p)
2663 {
2664 	struct sk_buff *skb;
2665 	struct wmi_connect_cmd *cm;
2666 	int res;
2667 
2668 	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2669 	if (!skb)
2670 		return -ENOMEM;
2671 
2672 	cm = (struct wmi_connect_cmd *) skb->data;
2673 	memcpy(cm, p, sizeof(*cm));
2674 
2675 	res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
2676 				  NO_SYNC_WMIFLAG);
2677 	ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
2678 		   "ctrl_flags=0x%x-> res=%d\n",
2679 		   __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
2680 		   le32_to_cpu(p->ctrl_flags), res);
2681 	return res;
2682 }
2683 
2684 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
2685 			   u16 reason)
2686 {
2687 	struct sk_buff *skb;
2688 	struct wmi_ap_set_mlme_cmd *cm;
2689 
2690 	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2691 	if (!skb)
2692 		return -ENOMEM;
2693 
2694 	cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
2695 	memcpy(cm->mac, mac, ETH_ALEN);
2696 	cm->reason = cpu_to_le16(reason);
2697 	cm->cmd = cmd;
2698 
2699 	return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
2700 				   NO_SYNC_WMIFLAG);
2701 }
2702 
2703 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
2704 				      struct ath6kl_vif *vif)
2705 {
2706 	struct wmi_pspoll_event *ev;
2707 
2708 	if (len < sizeof(struct wmi_pspoll_event))
2709 		return -EINVAL;
2710 
2711 	ev = (struct wmi_pspoll_event *) datap;
2712 
2713 	ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
2714 
2715 	return 0;
2716 }
2717 
2718 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
2719 					  struct ath6kl_vif *vif)
2720 {
2721 	ath6kl_dtimexpiry_event(vif);
2722 
2723 	return 0;
2724 }
2725 
2726 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
2727 			   bool flag)
2728 {
2729 	struct sk_buff *skb;
2730 	struct wmi_ap_set_pvb_cmd *cmd;
2731 	int ret;
2732 
2733 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
2734 	if (!skb)
2735 		return -ENOMEM;
2736 
2737 	cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
2738 	cmd->aid = cpu_to_le16(aid);
2739 	cmd->rsvd = cpu_to_le16(0);
2740 	cmd->flag = cpu_to_le32(flag);
2741 
2742 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
2743 				  NO_SYNC_WMIFLAG);
2744 
2745 	return 0;
2746 }
2747 
2748 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
2749 				       u8 rx_meta_ver,
2750 				       bool rx_dot11_hdr, bool defrag_on_host)
2751 {
2752 	struct sk_buff *skb;
2753 	struct wmi_rx_frame_format_cmd *cmd;
2754 	int ret;
2755 
2756 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2757 	if (!skb)
2758 		return -ENOMEM;
2759 
2760 	cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
2761 	cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
2762 	cmd->defrag_on_host = defrag_on_host ? 1 : 0;
2763 	cmd->meta_ver = rx_meta_ver;
2764 
2765 	/* Delete the local aggr state, on host */
2766 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
2767 				  NO_SYNC_WMIFLAG);
2768 
2769 	return ret;
2770 }
2771 
2772 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
2773 			     const u8 *ie, u8 ie_len)
2774 {
2775 	struct sk_buff *skb;
2776 	struct wmi_set_appie_cmd *p;
2777 
2778 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
2779 	if (!skb)
2780 		return -ENOMEM;
2781 
2782 	ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
2783 		   "ie_len=%u\n", mgmt_frm_type, ie_len);
2784 	p = (struct wmi_set_appie_cmd *) skb->data;
2785 	p->mgmt_frm_type = mgmt_frm_type;
2786 	p->ie_len = ie_len;
2787 	memcpy(p->ie_info, ie, ie_len);
2788 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
2789 				   NO_SYNC_WMIFLAG);
2790 }
2791 
2792 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
2793 {
2794 	struct sk_buff *skb;
2795 	struct wmi_disable_11b_rates_cmd *cmd;
2796 
2797 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2798 	if (!skb)
2799 		return -ENOMEM;
2800 
2801 	ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
2802 		   disable);
2803 	cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
2804 	cmd->disable = disable ? 1 : 0;
2805 
2806 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
2807 				   NO_SYNC_WMIFLAG);
2808 }
2809 
2810 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
2811 {
2812 	struct sk_buff *skb;
2813 	struct wmi_remain_on_chnl_cmd *p;
2814 
2815 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
2816 	if (!skb)
2817 		return -ENOMEM;
2818 
2819 	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
2820 		   freq, dur);
2821 	p = (struct wmi_remain_on_chnl_cmd *) skb->data;
2822 	p->freq = cpu_to_le32(freq);
2823 	p->duration = cpu_to_le32(dur);
2824 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
2825 				   NO_SYNC_WMIFLAG);
2826 }
2827 
2828 int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
2829 			       u32 wait, const u8 *data, u16 data_len)
2830 {
2831 	struct sk_buff *skb;
2832 	struct wmi_send_action_cmd *p;
2833 	u8 *buf;
2834 
2835 	if (wait)
2836 		return -EINVAL; /* Offload for wait not supported */
2837 
2838 	buf = kmalloc(data_len, GFP_KERNEL);
2839 	if (!buf)
2840 		return -ENOMEM;
2841 
2842 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
2843 	if (!skb) {
2844 		kfree(buf);
2845 		return -ENOMEM;
2846 	}
2847 
2848 	kfree(wmi->last_mgmt_tx_frame);
2849 	memcpy(buf, data, data_len);
2850 	wmi->last_mgmt_tx_frame = buf;
2851 	wmi->last_mgmt_tx_frame_len = data_len;
2852 
2853 	ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
2854 		   "len=%u\n", id, freq, wait, data_len);
2855 	p = (struct wmi_send_action_cmd *) skb->data;
2856 	p->id = cpu_to_le32(id);
2857 	p->freq = cpu_to_le32(freq);
2858 	p->wait = cpu_to_le32(wait);
2859 	p->len = cpu_to_le16(data_len);
2860 	memcpy(p->data, data, data_len);
2861 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
2862 				   NO_SYNC_WMIFLAG);
2863 }
2864 
2865 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
2866 				       const u8 *dst, const u8 *data,
2867 				       u16 data_len)
2868 {
2869 	struct sk_buff *skb;
2870 	struct wmi_p2p_probe_response_cmd *p;
2871 
2872 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
2873 	if (!skb)
2874 		return -ENOMEM;
2875 
2876 	ath6kl_dbg(ATH6KL_DBG_WMI, "send_probe_response_cmd: freq=%u dst=%pM "
2877 		   "len=%u\n", freq, dst, data_len);
2878 	p = (struct wmi_p2p_probe_response_cmd *) skb->data;
2879 	p->freq = cpu_to_le32(freq);
2880 	memcpy(p->destination_addr, dst, ETH_ALEN);
2881 	p->len = cpu_to_le16(data_len);
2882 	memcpy(p->data, data, data_len);
2883 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2884 				   WMI_SEND_PROBE_RESPONSE_CMDID,
2885 				   NO_SYNC_WMIFLAG);
2886 }
2887 
2888 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2889 {
2890 	struct sk_buff *skb;
2891 	struct wmi_probe_req_report_cmd *p;
2892 
2893 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
2894 	if (!skb)
2895 		return -ENOMEM;
2896 
2897 	ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
2898 		   enable);
2899 	p = (struct wmi_probe_req_report_cmd *) skb->data;
2900 	p->enable = enable ? 1 : 0;
2901 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
2902 				   NO_SYNC_WMIFLAG);
2903 }
2904 
2905 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
2906 {
2907 	struct sk_buff *skb;
2908 	struct wmi_get_p2p_info *p;
2909 
2910 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
2911 	if (!skb)
2912 		return -ENOMEM;
2913 
2914 	ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
2915 		   info_req_flags);
2916 	p = (struct wmi_get_p2p_info *) skb->data;
2917 	p->info_req_flags = cpu_to_le32(info_req_flags);
2918 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
2919 				   NO_SYNC_WMIFLAG);
2920 }
2921 
2922 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
2923 {
2924 	ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
2925 	return ath6kl_wmi_simple_cmd(wmi, if_idx,
2926 				     WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
2927 }
2928 
2929 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
2930 {
2931 	struct wmix_cmd_hdr *cmd;
2932 	u32 len;
2933 	u16 id;
2934 	u8 *datap;
2935 	int ret = 0;
2936 
2937 	if (skb->len < sizeof(struct wmix_cmd_hdr)) {
2938 		ath6kl_err("bad packet 1\n");
2939 		return -EINVAL;
2940 	}
2941 
2942 	cmd = (struct wmix_cmd_hdr *) skb->data;
2943 	id = le32_to_cpu(cmd->cmd_id);
2944 
2945 	skb_pull(skb, sizeof(struct wmix_cmd_hdr));
2946 
2947 	datap = skb->data;
2948 	len = skb->len;
2949 
2950 	switch (id) {
2951 	case WMIX_HB_CHALLENGE_RESP_EVENTID:
2952 		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
2953 		break;
2954 	case WMIX_DBGLOG_EVENTID:
2955 		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
2956 		ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
2957 		break;
2958 	default:
2959 		ath6kl_warn("unknown cmd id 0x%x\n", id);
2960 		ret = -EINVAL;
2961 		break;
2962 	}
2963 
2964 	return ret;
2965 }
2966 
2967 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
2968 {
2969 	return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
2970 }
2971 
2972 /* Control Path */
2973 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
2974 {
2975 	struct wmi_cmd_hdr *cmd;
2976 	struct ath6kl_vif *vif;
2977 	u32 len;
2978 	u16 id;
2979 	u8 if_idx;
2980 	u8 *datap;
2981 	int ret = 0;
2982 
2983 	if (WARN_ON(skb == NULL))
2984 		return -EINVAL;
2985 
2986 	if (skb->len < sizeof(struct wmi_cmd_hdr)) {
2987 		ath6kl_err("bad packet 1\n");
2988 		dev_kfree_skb(skb);
2989 		return -EINVAL;
2990 	}
2991 
2992 	cmd = (struct wmi_cmd_hdr *) skb->data;
2993 	id = le16_to_cpu(cmd->cmd_id);
2994 	if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
2995 
2996 	skb_pull(skb, sizeof(struct wmi_cmd_hdr));
2997 
2998 	datap = skb->data;
2999 	len = skb->len;
3000 
3001 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3002 	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3003 			datap, len);
3004 
3005 	vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3006 	if (!vif) {
3007 		ath6kl_dbg(ATH6KL_DBG_WMI,
3008 			   "Wmi event for unavailable vif, vif_index:%d\n",
3009 			    if_idx);
3010 		dev_kfree_skb(skb);
3011 		return -EINVAL;
3012 	}
3013 
3014 	switch (id) {
3015 	case WMI_GET_BITRATE_CMDID:
3016 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3017 		ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3018 		break;
3019 	case WMI_GET_CHANNEL_LIST_CMDID:
3020 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3021 		ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3022 		break;
3023 	case WMI_GET_TX_PWR_CMDID:
3024 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3025 		ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3026 		break;
3027 	case WMI_READY_EVENTID:
3028 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3029 		ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3030 		break;
3031 	case WMI_CONNECT_EVENTID:
3032 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3033 		ret = ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3034 		break;
3035 	case WMI_DISCONNECT_EVENTID:
3036 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3037 		ret = ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3038 		break;
3039 	case WMI_PEER_NODE_EVENTID:
3040 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3041 		ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3042 		break;
3043 	case WMI_TKIP_MICERR_EVENTID:
3044 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3045 		ret = ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3046 		break;
3047 	case WMI_BSSINFO_EVENTID:
3048 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3049 		ret = ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3050 		break;
3051 	case WMI_REGDOMAIN_EVENTID:
3052 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3053 		ath6kl_wmi_regdomain_event(wmi, datap, len);
3054 		break;
3055 	case WMI_PSTREAM_TIMEOUT_EVENTID:
3056 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3057 		ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3058 		break;
3059 	case WMI_NEIGHBOR_REPORT_EVENTID:
3060 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3061 		ret = ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3062 							  vif);
3063 		break;
3064 	case WMI_SCAN_COMPLETE_EVENTID:
3065 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3066 		ret = ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3067 		break;
3068 	case WMI_CMDERROR_EVENTID:
3069 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3070 		ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3071 		break;
3072 	case WMI_REPORT_STATISTICS_EVENTID:
3073 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3074 		ret = ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3075 		break;
3076 	case WMI_RSSI_THRESHOLD_EVENTID:
3077 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3078 		ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3079 		break;
3080 	case WMI_ERROR_REPORT_EVENTID:
3081 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3082 		break;
3083 	case WMI_OPT_RX_FRAME_EVENTID:
3084 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3085 		/* this event has been deprecated */
3086 		break;
3087 	case WMI_REPORT_ROAM_TBL_EVENTID:
3088 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3089 		ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3090 		break;
3091 	case WMI_EXTENSION_EVENTID:
3092 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3093 		ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3094 		break;
3095 	case WMI_CAC_EVENTID:
3096 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3097 		ret = ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3098 		break;
3099 	case WMI_CHANNEL_CHANGE_EVENTID:
3100 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3101 		break;
3102 	case WMI_REPORT_ROAM_DATA_EVENTID:
3103 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3104 		break;
3105 	case WMI_TEST_EVENTID:
3106 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3107 		ret = ath6kl_wmi_tcmd_test_report_rx(wmi, datap, len);
3108 		break;
3109 	case WMI_GET_FIXRATES_CMDID:
3110 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3111 		ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3112 		break;
3113 	case WMI_TX_RETRY_ERR_EVENTID:
3114 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3115 		break;
3116 	case WMI_SNR_THRESHOLD_EVENTID:
3117 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3118 		ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3119 		break;
3120 	case WMI_LQ_THRESHOLD_EVENTID:
3121 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3122 		break;
3123 	case WMI_APLIST_EVENTID:
3124 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3125 		ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3126 		break;
3127 	case WMI_GET_KEEPALIVE_CMDID:
3128 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3129 		ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3130 		break;
3131 	case WMI_GET_WOW_LIST_EVENTID:
3132 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3133 		ret = ath6kl_wmi_get_wow_list_event_rx(wmi, datap, len);
3134 		break;
3135 	case WMI_GET_PMKID_LIST_EVENTID:
3136 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3137 		ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3138 		break;
3139 	case WMI_PSPOLL_EVENTID:
3140 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3141 		ret = ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3142 		break;
3143 	case WMI_DTIMEXPIRY_EVENTID:
3144 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3145 		ret = ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3146 		break;
3147 	case WMI_SET_PARAMS_REPLY_EVENTID:
3148 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3149 		break;
3150 	case WMI_ADDBA_REQ_EVENTID:
3151 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3152 		ret = ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3153 		break;
3154 	case WMI_ADDBA_RESP_EVENTID:
3155 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3156 		break;
3157 	case WMI_DELBA_REQ_EVENTID:
3158 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3159 		ret = ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3160 		break;
3161 	case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3162 		ath6kl_dbg(ATH6KL_DBG_WMI,
3163 			   "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3164 		break;
3165 	case WMI_REPORT_BTCOEX_STATS_EVENTID:
3166 		ath6kl_dbg(ATH6KL_DBG_WMI,
3167 			   "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3168 		break;
3169 	case WMI_TX_COMPLETE_EVENTID:
3170 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3171 		ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3172 		break;
3173 	case WMI_REMAIN_ON_CHNL_EVENTID:
3174 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3175 		ret = ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3176 		break;
3177 	case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3178 		ath6kl_dbg(ATH6KL_DBG_WMI,
3179 			   "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3180 		ret = ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3181 								len, vif);
3182 		break;
3183 	case WMI_TX_STATUS_EVENTID:
3184 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3185 		ret = ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3186 		break;
3187 	case WMI_RX_PROBE_REQ_EVENTID:
3188 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3189 		ret = ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3190 		break;
3191 	case WMI_P2P_CAPABILITIES_EVENTID:
3192 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3193 		ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3194 		break;
3195 	case WMI_RX_ACTION_EVENTID:
3196 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3197 		ret = ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3198 		break;
3199 	case WMI_P2P_INFO_EVENTID:
3200 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3201 		ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3202 		break;
3203 	default:
3204 		ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", id);
3205 		ret = -EINVAL;
3206 		break;
3207 	}
3208 
3209 	dev_kfree_skb(skb);
3210 
3211 	return ret;
3212 }
3213 
3214 void ath6kl_wmi_reset(struct wmi *wmi)
3215 {
3216 	spin_lock_bh(&wmi->lock);
3217 
3218 	wmi->fat_pipe_exist = 0;
3219 	memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3220 
3221 	spin_unlock_bh(&wmi->lock);
3222 }
3223 
3224 void *ath6kl_wmi_init(struct ath6kl *dev)
3225 {
3226 	struct wmi *wmi;
3227 
3228 	wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3229 	if (!wmi)
3230 		return NULL;
3231 
3232 	spin_lock_init(&wmi->lock);
3233 
3234 	wmi->parent_dev = dev;
3235 
3236 	wmi->pwr_mode = REC_POWER;
3237 
3238 	ath6kl_wmi_reset(wmi);
3239 
3240 	return wmi;
3241 }
3242 
3243 void ath6kl_wmi_shutdown(struct wmi *wmi)
3244 {
3245 	if (!wmi)
3246 		return;
3247 
3248 	kfree(wmi->last_mgmt_tx_frame);
3249 	kfree(wmi);
3250 }
3251