xref: /openbmc/linux/drivers/net/wireless/ath/ath6kl/wmi.c (revision eb922e4b)
1 /*
2  * Copyright (c) 2004-2011 Atheros Communications Inc.
3  * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #include <linux/ip.h>
19 #include <linux/in.h>
20 #include "core.h"
21 #include "debug.h"
22 #include "testmode.h"
23 #include "../regd.h"
24 #include "../regd_common.h"
25 
26 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
27 
28 static const s32 wmi_rate_tbl[][2] = {
29 	/* {W/O SGI, with SGI} */
30 	{1000, 1000},
31 	{2000, 2000},
32 	{5500, 5500},
33 	{11000, 11000},
34 	{6000, 6000},
35 	{9000, 9000},
36 	{12000, 12000},
37 	{18000, 18000},
38 	{24000, 24000},
39 	{36000, 36000},
40 	{48000, 48000},
41 	{54000, 54000},
42 	{6500, 7200},
43 	{13000, 14400},
44 	{19500, 21700},
45 	{26000, 28900},
46 	{39000, 43300},
47 	{52000, 57800},
48 	{58500, 65000},
49 	{65000, 72200},
50 	{13500, 15000},
51 	{27000, 30000},
52 	{40500, 45000},
53 	{54000, 60000},
54 	{81000, 90000},
55 	{108000, 120000},
56 	{121500, 135000},
57 	{135000, 150000},
58 	{0, 0}
59 };
60 
61 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
62 static const u8 up_to_ac[] = {
63 	WMM_AC_BE,
64 	WMM_AC_BK,
65 	WMM_AC_BK,
66 	WMM_AC_BE,
67 	WMM_AC_VI,
68 	WMM_AC_VI,
69 	WMM_AC_VO,
70 	WMM_AC_VO,
71 };
72 
73 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
74 {
75 	if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
76 		return;
77 
78 	wmi->ep_id = ep_id;
79 }
80 
81 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
82 {
83 	return wmi->ep_id;
84 }
85 
86 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
87 {
88 	struct ath6kl_vif *vif, *found = NULL;
89 
90 	if (WARN_ON(if_idx > (ar->vif_max - 1)))
91 		return NULL;
92 
93 	/* FIXME: Locking */
94 	spin_lock_bh(&ar->list_lock);
95 	list_for_each_entry(vif, &ar->vif_list, list) {
96 		if (vif->fw_vif_idx == if_idx) {
97 			found = vif;
98 			break;
99 		}
100 	}
101 	spin_unlock_bh(&ar->list_lock);
102 
103 	return found;
104 }
105 
106 /*  Performs DIX to 802.3 encapsulation for transmit packets.
107  *  Assumes the entire DIX header is contigous and that there is
108  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
109  */
110 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
111 {
112 	struct ath6kl_llc_snap_hdr *llc_hdr;
113 	struct ethhdr *eth_hdr;
114 	size_t new_len;
115 	__be16 type;
116 	u8 *datap;
117 	u16 size;
118 
119 	if (WARN_ON(skb == NULL))
120 		return -EINVAL;
121 
122 	size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
123 	if (skb_headroom(skb) < size)
124 		return -ENOMEM;
125 
126 	eth_hdr = (struct ethhdr *) skb->data;
127 	type = eth_hdr->h_proto;
128 
129 	if (!is_ethertype(be16_to_cpu(type))) {
130 		ath6kl_dbg(ATH6KL_DBG_WMI,
131 			   "%s: pkt is already in 802.3 format\n", __func__);
132 		return 0;
133 	}
134 
135 	new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
136 
137 	skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
138 	datap = skb->data;
139 
140 	eth_hdr->h_proto = cpu_to_be16(new_len);
141 
142 	memcpy(datap, eth_hdr, sizeof(*eth_hdr));
143 
144 	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
145 	llc_hdr->dsap = 0xAA;
146 	llc_hdr->ssap = 0xAA;
147 	llc_hdr->cntl = 0x03;
148 	llc_hdr->org_code[0] = 0x0;
149 	llc_hdr->org_code[1] = 0x0;
150 	llc_hdr->org_code[2] = 0x0;
151 	llc_hdr->eth_type = type;
152 
153 	return 0;
154 }
155 
156 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
157 			       u8 *version, void *tx_meta_info)
158 {
159 	struct wmi_tx_meta_v1 *v1;
160 	struct wmi_tx_meta_v2 *v2;
161 
162 	if (WARN_ON(skb == NULL || version == NULL))
163 		return -EINVAL;
164 
165 	switch (*version) {
166 	case WMI_META_VERSION_1:
167 		skb_push(skb, WMI_MAX_TX_META_SZ);
168 		v1 = (struct wmi_tx_meta_v1 *) skb->data;
169 		v1->pkt_id = 0;
170 		v1->rate_plcy_id = 0;
171 		*version = WMI_META_VERSION_1;
172 		break;
173 	case WMI_META_VERSION_2:
174 		skb_push(skb, WMI_MAX_TX_META_SZ);
175 		v2 = (struct wmi_tx_meta_v2 *) skb->data;
176 		memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
177 		       sizeof(struct wmi_tx_meta_v2));
178 		break;
179 	}
180 
181 	return 0;
182 }
183 
184 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
185 			    u8 msg_type, u32 flags,
186 			    enum wmi_data_hdr_data_type data_type,
187 			    u8 meta_ver, void *tx_meta_info, u8 if_idx)
188 {
189 	struct wmi_data_hdr *data_hdr;
190 	int ret;
191 
192 	if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
193 		return -EINVAL;
194 
195 	if (tx_meta_info) {
196 		ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
197 		if (ret)
198 			return ret;
199 	}
200 
201 	skb_push(skb, sizeof(struct wmi_data_hdr));
202 
203 	data_hdr = (struct wmi_data_hdr *)skb->data;
204 	memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
205 
206 	data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
207 	data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
208 
209 	if (flags & WMI_DATA_HDR_FLAGS_MORE)
210 		data_hdr->info |= WMI_DATA_HDR_MORE;
211 
212 	if (flags & WMI_DATA_HDR_FLAGS_EOSP)
213 		data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
214 
215 	data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
216 	data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
217 
218 	return 0;
219 }
220 
221 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
222 {
223 	struct iphdr *ip_hdr = (struct iphdr *) pkt;
224 	u8 ip_pri;
225 
226 	/*
227 	 * Determine IPTOS priority
228 	 *
229 	 * IP-TOS - 8bits
230 	 *          : DSCP(6-bits) ECN(2-bits)
231 	 *          : DSCP - P2 P1 P0 X X X
232 	 * where (P2 P1 P0) form 802.1D
233 	 */
234 	ip_pri = ip_hdr->tos >> 5;
235 	ip_pri &= 0x7;
236 
237 	if ((layer2_pri & 0x7) > ip_pri)
238 		return (u8) layer2_pri & 0x7;
239 	else
240 		return ip_pri;
241 }
242 
243 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
244 {
245 	return  up_to_ac[user_priority & 0x7];
246 }
247 
248 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
249 				       struct sk_buff *skb,
250 				       u32 layer2_priority, bool wmm_enabled,
251 				       u8 *ac)
252 {
253 	struct wmi_data_hdr *data_hdr;
254 	struct ath6kl_llc_snap_hdr *llc_hdr;
255 	struct wmi_create_pstream_cmd cmd;
256 	u32 meta_size, hdr_size;
257 	u16 ip_type = IP_ETHERTYPE;
258 	u8 stream_exist, usr_pri;
259 	u8 traffic_class = WMM_AC_BE;
260 	u8 *datap;
261 
262 	if (WARN_ON(skb == NULL))
263 		return -EINVAL;
264 
265 	datap = skb->data;
266 	data_hdr = (struct wmi_data_hdr *) datap;
267 
268 	meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
269 		     WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
270 
271 	if (!wmm_enabled) {
272 		/* If WMM is disabled all traffic goes as BE traffic */
273 		usr_pri = 0;
274 	} else {
275 		hdr_size = sizeof(struct ethhdr);
276 
277 		llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
278 							 sizeof(struct
279 								wmi_data_hdr) +
280 							 meta_size + hdr_size);
281 
282 		if (llc_hdr->eth_type == htons(ip_type)) {
283 			/*
284 			 * Extract the endpoint info from the TOS field
285 			 * in the IP header.
286 			 */
287 			usr_pri =
288 			   ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
289 					sizeof(struct ath6kl_llc_snap_hdr),
290 					layer2_priority);
291 		} else
292 			usr_pri = layer2_priority & 0x7;
293 
294 		/*
295 		 * Queue the EAPOL frames in the same WMM_AC_VO queue
296 		 * as that of management frames.
297 		 */
298 		if (skb->protocol == cpu_to_be16(ETH_P_PAE))
299 			usr_pri = WMI_VOICE_USER_PRIORITY;
300 	}
301 
302 	/*
303 	 * workaround for WMM S5
304 	 *
305 	 * FIXME: wmi->traffic_class is always 100 so this test doesn't
306 	 * make sense
307 	 */
308 	if ((wmi->traffic_class == WMM_AC_VI) &&
309 	    ((usr_pri == 5) || (usr_pri == 4)))
310 		usr_pri = 1;
311 
312 	/* Convert user priority to traffic class */
313 	traffic_class = up_to_ac[usr_pri & 0x7];
314 
315 	wmi_data_hdr_set_up(data_hdr, usr_pri);
316 
317 	spin_lock_bh(&wmi->lock);
318 	stream_exist = wmi->fat_pipe_exist;
319 	spin_unlock_bh(&wmi->lock);
320 
321 	if (!(stream_exist & (1 << traffic_class))) {
322 		memset(&cmd, 0, sizeof(cmd));
323 		cmd.traffic_class = traffic_class;
324 		cmd.user_pri = usr_pri;
325 		cmd.inactivity_int =
326 			cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
327 		/* Implicit streams are created with TSID 0xFF */
328 		cmd.tsid = WMI_IMPLICIT_PSTREAM;
329 		ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
330 	}
331 
332 	*ac = traffic_class;
333 
334 	return 0;
335 }
336 
337 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
338 {
339 	struct ieee80211_hdr_3addr *pwh, wh;
340 	struct ath6kl_llc_snap_hdr *llc_hdr;
341 	struct ethhdr eth_hdr;
342 	u32 hdr_size;
343 	u8 *datap;
344 	__le16 sub_type;
345 
346 	if (WARN_ON(skb == NULL))
347 		return -EINVAL;
348 
349 	datap = skb->data;
350 	pwh = (struct ieee80211_hdr_3addr *) datap;
351 
352 	sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
353 
354 	memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
355 
356 	/* Strip off the 802.11 header */
357 	if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
358 		hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
359 				   sizeof(u32));
360 		skb_pull(skb, hdr_size);
361 	} else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
362 		skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
363 
364 	datap = skb->data;
365 	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
366 
367 	memset(&eth_hdr, 0, sizeof(eth_hdr));
368 	eth_hdr.h_proto = llc_hdr->eth_type;
369 
370 	switch ((le16_to_cpu(wh.frame_control)) &
371 		(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
372 	case 0:
373 		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
374 		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
375 		break;
376 	case IEEE80211_FCTL_TODS:
377 		memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
378 		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
379 		break;
380 	case IEEE80211_FCTL_FROMDS:
381 		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
382 		memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
383 		break;
384 	case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
385 		break;
386 	}
387 
388 	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
389 	skb_push(skb, sizeof(eth_hdr));
390 
391 	datap = skb->data;
392 
393 	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
394 
395 	return 0;
396 }
397 
398 /*
399  * Performs 802.3 to DIX encapsulation for received packets.
400  * Assumes the entire 802.3 header is contigous.
401  */
402 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
403 {
404 	struct ath6kl_llc_snap_hdr *llc_hdr;
405 	struct ethhdr eth_hdr;
406 	u8 *datap;
407 
408 	if (WARN_ON(skb == NULL))
409 		return -EINVAL;
410 
411 	datap = skb->data;
412 
413 	memcpy(&eth_hdr, datap, sizeof(eth_hdr));
414 
415 	llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
416 	eth_hdr.h_proto = llc_hdr->eth_type;
417 
418 	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
419 	datap = skb->data;
420 
421 	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
422 
423 	return 0;
424 }
425 
426 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
427 {
428 	struct tx_complete_msg_v1 *msg_v1;
429 	struct wmi_tx_complete_event *evt;
430 	int index;
431 	u16 size;
432 
433 	evt = (struct wmi_tx_complete_event *) datap;
434 
435 	ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
436 		   evt->num_msg, evt->msg_len, evt->msg_type);
437 
438 	for (index = 0; index < evt->num_msg; index++) {
439 		size = sizeof(struct wmi_tx_complete_event) +
440 		    (index * sizeof(struct tx_complete_msg_v1));
441 		msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
442 
443 		ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
444 			   msg_v1->status, msg_v1->pkt_id,
445 			   msg_v1->rate_idx, msg_v1->ack_failures);
446 	}
447 
448 	return 0;
449 }
450 
451 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
452 					      int len, struct ath6kl_vif *vif)
453 {
454 	struct wmi_remain_on_chnl_event *ev;
455 	u32 freq;
456 	u32 dur;
457 	struct ieee80211_channel *chan;
458 	struct ath6kl *ar = wmi->parent_dev;
459 	u32 id;
460 
461 	if (len < sizeof(*ev))
462 		return -EINVAL;
463 
464 	ev = (struct wmi_remain_on_chnl_event *) datap;
465 	freq = le32_to_cpu(ev->freq);
466 	dur = le32_to_cpu(ev->duration);
467 	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
468 		   freq, dur);
469 	chan = ieee80211_get_channel(ar->wiphy, freq);
470 	if (!chan) {
471 		ath6kl_dbg(ATH6KL_DBG_WMI,
472 			   "remain_on_chnl: Unknown channel (freq=%u)\n",
473 			   freq);
474 		return -EINVAL;
475 	}
476 	id = vif->last_roc_id;
477 	cfg80211_ready_on_channel(&vif->wdev, id, chan, NL80211_CHAN_NO_HT,
478 				  dur, GFP_ATOMIC);
479 
480 	return 0;
481 }
482 
483 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
484 						     u8 *datap, int len,
485 						     struct ath6kl_vif *vif)
486 {
487 	struct wmi_cancel_remain_on_chnl_event *ev;
488 	u32 freq;
489 	u32 dur;
490 	struct ieee80211_channel *chan;
491 	struct ath6kl *ar = wmi->parent_dev;
492 	u32 id;
493 
494 	if (len < sizeof(*ev))
495 		return -EINVAL;
496 
497 	ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
498 	freq = le32_to_cpu(ev->freq);
499 	dur = le32_to_cpu(ev->duration);
500 	ath6kl_dbg(ATH6KL_DBG_WMI,
501 		   "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
502 		   freq, dur, ev->status);
503 	chan = ieee80211_get_channel(ar->wiphy, freq);
504 	if (!chan) {
505 		ath6kl_dbg(ATH6KL_DBG_WMI,
506 			   "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
507 			   freq);
508 		return -EINVAL;
509 	}
510 	if (vif->last_cancel_roc_id &&
511 	    vif->last_cancel_roc_id + 1 == vif->last_roc_id)
512 		id = vif->last_cancel_roc_id; /* event for cancel command */
513 	else
514 		id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
515 	vif->last_cancel_roc_id = 0;
516 	cfg80211_remain_on_channel_expired(&vif->wdev, id, chan,
517 					   NL80211_CHAN_NO_HT, GFP_ATOMIC);
518 
519 	return 0;
520 }
521 
522 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
523 					 struct ath6kl_vif *vif)
524 {
525 	struct wmi_tx_status_event *ev;
526 	u32 id;
527 
528 	if (len < sizeof(*ev))
529 		return -EINVAL;
530 
531 	ev = (struct wmi_tx_status_event *) datap;
532 	id = le32_to_cpu(ev->id);
533 	ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
534 		   id, ev->ack_status);
535 	if (wmi->last_mgmt_tx_frame) {
536 		cfg80211_mgmt_tx_status(&vif->wdev, id,
537 					wmi->last_mgmt_tx_frame,
538 					wmi->last_mgmt_tx_frame_len,
539 					!!ev->ack_status, GFP_ATOMIC);
540 		kfree(wmi->last_mgmt_tx_frame);
541 		wmi->last_mgmt_tx_frame = NULL;
542 		wmi->last_mgmt_tx_frame_len = 0;
543 	}
544 
545 	return 0;
546 }
547 
548 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
549 					    struct ath6kl_vif *vif)
550 {
551 	struct wmi_p2p_rx_probe_req_event *ev;
552 	u32 freq;
553 	u16 dlen;
554 
555 	if (len < sizeof(*ev))
556 		return -EINVAL;
557 
558 	ev = (struct wmi_p2p_rx_probe_req_event *) datap;
559 	freq = le32_to_cpu(ev->freq);
560 	dlen = le16_to_cpu(ev->len);
561 	if (datap + len < ev->data + dlen) {
562 		ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
563 			   len, dlen);
564 		return -EINVAL;
565 	}
566 	ath6kl_dbg(ATH6KL_DBG_WMI,
567 		   "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
568 		   dlen, freq, vif->probe_req_report);
569 
570 	if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
571 		cfg80211_rx_mgmt(&vif->wdev, freq, 0,
572 				 ev->data, dlen, GFP_ATOMIC);
573 
574 	return 0;
575 }
576 
577 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
578 {
579 	struct wmi_p2p_capabilities_event *ev;
580 	u16 dlen;
581 
582 	if (len < sizeof(*ev))
583 		return -EINVAL;
584 
585 	ev = (struct wmi_p2p_capabilities_event *) datap;
586 	dlen = le16_to_cpu(ev->len);
587 	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
588 
589 	return 0;
590 }
591 
592 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
593 					 struct ath6kl_vif *vif)
594 {
595 	struct wmi_rx_action_event *ev;
596 	u32 freq;
597 	u16 dlen;
598 
599 	if (len < sizeof(*ev))
600 		return -EINVAL;
601 
602 	ev = (struct wmi_rx_action_event *) datap;
603 	freq = le32_to_cpu(ev->freq);
604 	dlen = le16_to_cpu(ev->len);
605 	if (datap + len < ev->data + dlen) {
606 		ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
607 			   len, dlen);
608 		return -EINVAL;
609 	}
610 	ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
611 	cfg80211_rx_mgmt(&vif->wdev, freq, 0,
612 			 ev->data, dlen, GFP_ATOMIC);
613 
614 	return 0;
615 }
616 
617 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
618 {
619 	struct wmi_p2p_info_event *ev;
620 	u32 flags;
621 	u16 dlen;
622 
623 	if (len < sizeof(*ev))
624 		return -EINVAL;
625 
626 	ev = (struct wmi_p2p_info_event *) datap;
627 	flags = le32_to_cpu(ev->info_req_flags);
628 	dlen = le16_to_cpu(ev->len);
629 	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
630 
631 	if (flags & P2P_FLAG_CAPABILITIES_REQ) {
632 		struct wmi_p2p_capabilities *cap;
633 		if (dlen < sizeof(*cap))
634 			return -EINVAL;
635 		cap = (struct wmi_p2p_capabilities *) ev->data;
636 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
637 			   cap->go_power_save);
638 	}
639 
640 	if (flags & P2P_FLAG_MACADDR_REQ) {
641 		struct wmi_p2p_macaddr *mac;
642 		if (dlen < sizeof(*mac))
643 			return -EINVAL;
644 		mac = (struct wmi_p2p_macaddr *) ev->data;
645 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
646 			   mac->mac_addr);
647 	}
648 
649 	if (flags & P2P_FLAG_HMODEL_REQ) {
650 		struct wmi_p2p_hmodel *mod;
651 		if (dlen < sizeof(*mod))
652 			return -EINVAL;
653 		mod = (struct wmi_p2p_hmodel *) ev->data;
654 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
655 			   mod->p2p_model,
656 			   mod->p2p_model ? "host" : "firmware");
657 	}
658 	return 0;
659 }
660 
661 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
662 {
663 	struct sk_buff *skb;
664 
665 	skb = ath6kl_buf_alloc(size);
666 	if (!skb)
667 		return NULL;
668 
669 	skb_put(skb, size);
670 	if (size)
671 		memset(skb->data, 0, size);
672 
673 	return skb;
674 }
675 
676 /* Send a "simple" wmi command -- one with no arguments */
677 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
678 				 enum wmi_cmd_id cmd_id)
679 {
680 	struct sk_buff *skb;
681 	int ret;
682 
683 	skb = ath6kl_wmi_get_new_buf(0);
684 	if (!skb)
685 		return -ENOMEM;
686 
687 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
688 
689 	return ret;
690 }
691 
692 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
693 {
694 	struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
695 
696 	if (len < sizeof(struct wmi_ready_event_2))
697 		return -EINVAL;
698 
699 	ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
700 			   le32_to_cpu(ev->sw_version),
701 			   le32_to_cpu(ev->abi_version), ev->phy_cap);
702 
703 	return 0;
704 }
705 
706 /*
707  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
708  * at which the station has to roam can be passed with
709  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
710  * in dBm.
711  */
712 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
713 {
714 	struct sk_buff *skb;
715 	struct roam_ctrl_cmd *cmd;
716 
717 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
718 	if (!skb)
719 		return -ENOMEM;
720 
721 	cmd = (struct roam_ctrl_cmd *) skb->data;
722 
723 	cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
724 	cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
725 						       DEF_SCAN_FOR_ROAM_INTVL);
726 	cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
727 	cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
728 	cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
729 
730 	ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
731 			    NO_SYNC_WMIFLAG);
732 
733 	return 0;
734 }
735 
736 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
737 {
738 	struct sk_buff *skb;
739 	struct roam_ctrl_cmd *cmd;
740 
741 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
742 	if (!skb)
743 		return -ENOMEM;
744 
745 	cmd = (struct roam_ctrl_cmd *) skb->data;
746 
747 	memcpy(cmd->info.bssid, bssid, ETH_ALEN);
748 	cmd->roam_ctrl = WMI_FORCE_ROAM;
749 
750 	ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
751 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
752 				   NO_SYNC_WMIFLAG);
753 }
754 
755 int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
756 				       u32 beacon_intvl)
757 {
758 	struct sk_buff *skb;
759 	struct set_beacon_int_cmd *cmd;
760 
761 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
762 	if (!skb)
763 		return -ENOMEM;
764 
765 	cmd = (struct set_beacon_int_cmd *) skb->data;
766 
767 	cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
768 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
769 				   WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
770 }
771 
772 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
773 {
774 	struct sk_buff *skb;
775 	struct set_dtim_cmd *cmd;
776 
777 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
778 	if (!skb)
779 		return -ENOMEM;
780 
781 	cmd = (struct set_dtim_cmd *) skb->data;
782 
783 	cmd->dtim_period = cpu_to_le32(dtim_period);
784 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
785 				   WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
786 }
787 
788 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
789 {
790 	struct sk_buff *skb;
791 	struct roam_ctrl_cmd *cmd;
792 
793 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
794 	if (!skb)
795 		return -ENOMEM;
796 
797 	cmd = (struct roam_ctrl_cmd *) skb->data;
798 
799 	cmd->info.roam_mode = mode;
800 	cmd->roam_ctrl = WMI_SET_ROAM_MODE;
801 
802 	ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
803 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
804 				   NO_SYNC_WMIFLAG);
805 }
806 
807 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
808 				       struct ath6kl_vif *vif)
809 {
810 	struct wmi_connect_event *ev;
811 	u8 *pie, *peie;
812 
813 	if (len < sizeof(struct wmi_connect_event))
814 		return -EINVAL;
815 
816 	ev = (struct wmi_connect_event *) datap;
817 
818 	if (vif->nw_type == AP_NETWORK) {
819 		/* AP mode start/STA connected event */
820 		struct net_device *dev = vif->ndev;
821 		if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
822 			ath6kl_dbg(ATH6KL_DBG_WMI,
823 				   "%s: freq %d bssid %pM (AP started)\n",
824 				   __func__, le16_to_cpu(ev->u.ap_bss.ch),
825 				   ev->u.ap_bss.bssid);
826 			ath6kl_connect_ap_mode_bss(
827 				vif, le16_to_cpu(ev->u.ap_bss.ch));
828 		} else {
829 			ath6kl_dbg(ATH6KL_DBG_WMI,
830 				   "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
831 				   __func__, ev->u.ap_sta.aid,
832 				   ev->u.ap_sta.mac_addr,
833 				   ev->u.ap_sta.auth,
834 				   ev->u.ap_sta.keymgmt,
835 				   le16_to_cpu(ev->u.ap_sta.cipher),
836 				   ev->u.ap_sta.apsd_info);
837 
838 			ath6kl_connect_ap_mode_sta(
839 				vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
840 				ev->u.ap_sta.keymgmt,
841 				le16_to_cpu(ev->u.ap_sta.cipher),
842 				ev->u.ap_sta.auth, ev->assoc_req_len,
843 				ev->assoc_info + ev->beacon_ie_len,
844 				ev->u.ap_sta.apsd_info);
845 		}
846 		return 0;
847 	}
848 
849 	/* STA/IBSS mode connection event */
850 
851 	ath6kl_dbg(ATH6KL_DBG_WMI,
852 		   "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
853 		   le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
854 		   le16_to_cpu(ev->u.sta.listen_intvl),
855 		   le16_to_cpu(ev->u.sta.beacon_intvl),
856 		   le32_to_cpu(ev->u.sta.nw_type));
857 
858 	/* Start of assoc rsp IEs */
859 	pie = ev->assoc_info + ev->beacon_ie_len +
860 	      ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
861 
862 	/* End of assoc rsp IEs */
863 	peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
864 	    ev->assoc_resp_len;
865 
866 	while (pie < peie) {
867 		switch (*pie) {
868 		case WLAN_EID_VENDOR_SPECIFIC:
869 			if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
870 			    pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
871 				/* WMM OUT (00:50:F2) */
872 				if (pie[1] > 5 &&
873 				    pie[6] == WMM_PARAM_OUI_SUBTYPE)
874 					wmi->is_wmm_enabled = true;
875 			}
876 			break;
877 		}
878 
879 		if (wmi->is_wmm_enabled)
880 			break;
881 
882 		pie += pie[1] + 2;
883 	}
884 
885 	ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
886 			     ev->u.sta.bssid,
887 			     le16_to_cpu(ev->u.sta.listen_intvl),
888 			     le16_to_cpu(ev->u.sta.beacon_intvl),
889 			     le32_to_cpu(ev->u.sta.nw_type),
890 			     ev->beacon_ie_len, ev->assoc_req_len,
891 			     ev->assoc_resp_len, ev->assoc_info);
892 
893 	return 0;
894 }
895 
896 static struct country_code_to_enum_rd *
897 ath6kl_regd_find_country(u16 countryCode)
898 {
899 	int i;
900 
901 	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
902 		if (allCountries[i].countryCode == countryCode)
903 			return &allCountries[i];
904 	}
905 
906 	return NULL;
907 }
908 
909 static struct reg_dmn_pair_mapping *
910 ath6kl_get_regpair(u16 regdmn)
911 {
912 	int i;
913 
914 	if (regdmn == NO_ENUMRD)
915 		return NULL;
916 
917 	for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
918 		if (regDomainPairs[i].regDmnEnum == regdmn)
919 			return &regDomainPairs[i];
920 	}
921 
922 	return NULL;
923 }
924 
925 static struct country_code_to_enum_rd *
926 ath6kl_regd_find_country_by_rd(u16 regdmn)
927 {
928 	int i;
929 
930 	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
931 		if (allCountries[i].regDmnEnum == regdmn)
932 			return &allCountries[i];
933 	}
934 
935 	return NULL;
936 }
937 
938 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
939 {
940 
941 	struct ath6kl_wmi_regdomain *ev;
942 	struct country_code_to_enum_rd *country = NULL;
943 	struct reg_dmn_pair_mapping *regpair = NULL;
944 	char alpha2[2];
945 	u32 reg_code;
946 
947 	ev = (struct ath6kl_wmi_regdomain *) datap;
948 	reg_code = le32_to_cpu(ev->reg_code);
949 
950 	if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
951 		country = ath6kl_regd_find_country((u16) reg_code);
952 	else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
953 
954 		regpair = ath6kl_get_regpair((u16) reg_code);
955 		country = ath6kl_regd_find_country_by_rd((u16) reg_code);
956 		if (regpair)
957 			ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
958 				   regpair->regDmnEnum);
959 		else
960 			ath6kl_warn("Regpair not found reg_code 0x%0x\n",
961 				    reg_code);
962 	}
963 
964 	if (country && wmi->parent_dev->wiphy_registered) {
965 		alpha2[0] = country->isoName[0];
966 		alpha2[1] = country->isoName[1];
967 
968 		regulatory_hint(wmi->parent_dev->wiphy, alpha2);
969 
970 		ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
971 			   alpha2[0], alpha2[1]);
972 	}
973 }
974 
975 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
976 					  struct ath6kl_vif *vif)
977 {
978 	struct wmi_disconnect_event *ev;
979 	wmi->traffic_class = 100;
980 
981 	if (len < sizeof(struct wmi_disconnect_event))
982 		return -EINVAL;
983 
984 	ev = (struct wmi_disconnect_event *) datap;
985 
986 	ath6kl_dbg(ATH6KL_DBG_WMI,
987 		   "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
988 		   le16_to_cpu(ev->proto_reason_status), ev->bssid,
989 		   ev->disconn_reason, ev->assoc_resp_len);
990 
991 	wmi->is_wmm_enabled = false;
992 
993 	ath6kl_disconnect_event(vif, ev->disconn_reason,
994 				ev->bssid, ev->assoc_resp_len, ev->assoc_info,
995 				le16_to_cpu(ev->proto_reason_status));
996 
997 	return 0;
998 }
999 
1000 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1001 {
1002 	struct wmi_peer_node_event *ev;
1003 
1004 	if (len < sizeof(struct wmi_peer_node_event))
1005 		return -EINVAL;
1006 
1007 	ev = (struct wmi_peer_node_event *) datap;
1008 
1009 	if (ev->event_code == PEER_NODE_JOIN_EVENT)
1010 		ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1011 			   ev->peer_mac_addr);
1012 	else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1013 		ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1014 			   ev->peer_mac_addr);
1015 
1016 	return 0;
1017 }
1018 
1019 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1020 					   struct ath6kl_vif *vif)
1021 {
1022 	struct wmi_tkip_micerr_event *ev;
1023 
1024 	if (len < sizeof(struct wmi_tkip_micerr_event))
1025 		return -EINVAL;
1026 
1027 	ev = (struct wmi_tkip_micerr_event *) datap;
1028 
1029 	ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1030 
1031 	return 0;
1032 }
1033 
1034 void ath6kl_wmi_sscan_timer(unsigned long ptr)
1035 {
1036 	struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1037 
1038 	cfg80211_sched_scan_results(vif->ar->wiphy);
1039 }
1040 
1041 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1042 				       struct ath6kl_vif *vif)
1043 {
1044 	struct wmi_bss_info_hdr2 *bih;
1045 	u8 *buf;
1046 	struct ieee80211_channel *channel;
1047 	struct ath6kl *ar = wmi->parent_dev;
1048 	struct ieee80211_mgmt *mgmt;
1049 	struct cfg80211_bss *bss;
1050 
1051 	if (len <= sizeof(struct wmi_bss_info_hdr2))
1052 		return -EINVAL;
1053 
1054 	bih = (struct wmi_bss_info_hdr2 *) datap;
1055 	buf = datap + sizeof(struct wmi_bss_info_hdr2);
1056 	len -= sizeof(struct wmi_bss_info_hdr2);
1057 
1058 	ath6kl_dbg(ATH6KL_DBG_WMI,
1059 		   "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1060 		   "frame_type=%d\n",
1061 		   bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1062 		   bih->frame_type);
1063 
1064 	if (bih->frame_type != BEACON_FTYPE &&
1065 	    bih->frame_type != PROBERESP_FTYPE)
1066 		return 0; /* Only update BSS table for now */
1067 
1068 	if (bih->frame_type == BEACON_FTYPE &&
1069 	    test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1070 		clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1071 		ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1072 					 NONE_BSS_FILTER, 0);
1073 	}
1074 
1075 	channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1076 	if (channel == NULL)
1077 		return -EINVAL;
1078 
1079 	if (len < 8 + 2 + 2)
1080 		return -EINVAL;
1081 
1082 	if (bih->frame_type == BEACON_FTYPE &&
1083 	    test_bit(CONNECTED, &vif->flags) &&
1084 	    memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1085 		const u8 *tim;
1086 		tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1087 				       len - 8 - 2 - 2);
1088 		if (tim && tim[1] >= 2) {
1089 			vif->assoc_bss_dtim_period = tim[3];
1090 			set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1091 		}
1092 	}
1093 
1094 	/*
1095 	 * In theory, use of cfg80211_inform_bss() would be more natural here
1096 	 * since we do not have the full frame. However, at least for now,
1097 	 * cfg80211 can only distinguish Beacon and Probe Response frames from
1098 	 * each other when using cfg80211_inform_bss_frame(), so let's build a
1099 	 * fake IEEE 802.11 header to be able to take benefit of this.
1100 	 */
1101 	mgmt = kmalloc(24 + len, GFP_ATOMIC);
1102 	if (mgmt == NULL)
1103 		return -EINVAL;
1104 
1105 	if (bih->frame_type == BEACON_FTYPE) {
1106 		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1107 						  IEEE80211_STYPE_BEACON);
1108 		memset(mgmt->da, 0xff, ETH_ALEN);
1109 	} else {
1110 		struct net_device *dev = vif->ndev;
1111 
1112 		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1113 						  IEEE80211_STYPE_PROBE_RESP);
1114 		memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1115 	}
1116 	mgmt->duration = cpu_to_le16(0);
1117 	memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1118 	memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1119 	mgmt->seq_ctrl = cpu_to_le16(0);
1120 
1121 	memcpy(&mgmt->u.beacon, buf, len);
1122 
1123 	bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1124 					24 + len, (bih->snr - 95) * 100,
1125 					GFP_ATOMIC);
1126 	kfree(mgmt);
1127 	if (bss == NULL)
1128 		return -ENOMEM;
1129 	cfg80211_put_bss(bss);
1130 
1131 	/*
1132 	 * Firmware doesn't return any event when scheduled scan has
1133 	 * finished, so we need to use a timer to find out when there are
1134 	 * no more results.
1135 	 *
1136 	 * The timer is started from the first bss info received, otherwise
1137 	 * the timer would not ever fire if the scan interval is short
1138 	 * enough.
1139 	 */
1140 	if (test_bit(SCHED_SCANNING, &vif->flags) &&
1141 	    !timer_pending(&vif->sched_scan_timer)) {
1142 		mod_timer(&vif->sched_scan_timer, jiffies +
1143 			  msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1144 	}
1145 
1146 	return 0;
1147 }
1148 
1149 /* Inactivity timeout of a fatpipe(pstream) at the target */
1150 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1151 					       int len)
1152 {
1153 	struct wmi_pstream_timeout_event *ev;
1154 
1155 	if (len < sizeof(struct wmi_pstream_timeout_event))
1156 		return -EINVAL;
1157 
1158 	ev = (struct wmi_pstream_timeout_event *) datap;
1159 
1160 	/*
1161 	 * When the pstream (fat pipe == AC) timesout, it means there were
1162 	 * no thinStreams within this pstream & it got implicitly created
1163 	 * due to data flow on this AC. We start the inactivity timer only
1164 	 * for implicitly created pstream. Just reset the host state.
1165 	 */
1166 	spin_lock_bh(&wmi->lock);
1167 	wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1168 	wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1169 	spin_unlock_bh(&wmi->lock);
1170 
1171 	/* Indicate inactivity to driver layer for this fatpipe (pstream) */
1172 	ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1173 
1174 	return 0;
1175 }
1176 
1177 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1178 {
1179 	struct wmi_bit_rate_reply *reply;
1180 	s32 rate;
1181 	u32 sgi, index;
1182 
1183 	if (len < sizeof(struct wmi_bit_rate_reply))
1184 		return -EINVAL;
1185 
1186 	reply = (struct wmi_bit_rate_reply *) datap;
1187 
1188 	ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1189 
1190 	if (reply->rate_index == (s8) RATE_AUTO) {
1191 		rate = RATE_AUTO;
1192 	} else {
1193 		index = reply->rate_index & 0x7f;
1194 		if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1195 			return -EINVAL;
1196 
1197 		sgi = (reply->rate_index & 0x80) ? 1 : 0;
1198 		rate = wmi_rate_tbl[index][sgi];
1199 	}
1200 
1201 	ath6kl_wakeup_event(wmi->parent_dev);
1202 
1203 	return 0;
1204 }
1205 
1206 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1207 {
1208 	ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1209 
1210 	return 0;
1211 }
1212 
1213 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1214 {
1215 	if (len < sizeof(struct wmi_fix_rates_reply))
1216 		return -EINVAL;
1217 
1218 	ath6kl_wakeup_event(wmi->parent_dev);
1219 
1220 	return 0;
1221 }
1222 
1223 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1224 {
1225 	if (len < sizeof(struct wmi_channel_list_reply))
1226 		return -EINVAL;
1227 
1228 	ath6kl_wakeup_event(wmi->parent_dev);
1229 
1230 	return 0;
1231 }
1232 
1233 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1234 {
1235 	struct wmi_tx_pwr_reply *reply;
1236 
1237 	if (len < sizeof(struct wmi_tx_pwr_reply))
1238 		return -EINVAL;
1239 
1240 	reply = (struct wmi_tx_pwr_reply *) datap;
1241 	ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1242 
1243 	return 0;
1244 }
1245 
1246 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1247 {
1248 	if (len < sizeof(struct wmi_get_keepalive_cmd))
1249 		return -EINVAL;
1250 
1251 	ath6kl_wakeup_event(wmi->parent_dev);
1252 
1253 	return 0;
1254 }
1255 
1256 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1257 				       struct ath6kl_vif *vif)
1258 {
1259 	struct wmi_scan_complete_event *ev;
1260 
1261 	ev = (struct wmi_scan_complete_event *) datap;
1262 
1263 	ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1264 	wmi->is_probe_ssid = false;
1265 
1266 	return 0;
1267 }
1268 
1269 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1270 					       int len, struct ath6kl_vif *vif)
1271 {
1272 	struct wmi_neighbor_report_event *ev;
1273 	u8 i;
1274 
1275 	if (len < sizeof(*ev))
1276 		return -EINVAL;
1277 	ev = (struct wmi_neighbor_report_event *) datap;
1278 	if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1279 	    > len) {
1280 		ath6kl_dbg(ATH6KL_DBG_WMI,
1281 			   "truncated neighbor event (num=%d len=%d)\n",
1282 			   ev->num_neighbors, len);
1283 		return -EINVAL;
1284 	}
1285 	for (i = 0; i < ev->num_neighbors; i++) {
1286 		ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1287 			   i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1288 			   ev->neighbor[i].bss_flags);
1289 		cfg80211_pmksa_candidate_notify(vif->ndev, i,
1290 						ev->neighbor[i].bssid,
1291 						!!(ev->neighbor[i].bss_flags &
1292 						   WMI_PREAUTH_CAPABLE_BSS),
1293 						GFP_ATOMIC);
1294 	}
1295 
1296 	return 0;
1297 }
1298 
1299 /*
1300  * Target is reporting a programming error.  This is for
1301  * developer aid only.  Target only checks a few common violations
1302  * and it is responsibility of host to do all error checking.
1303  * Behavior of target after wmi error event is undefined.
1304  * A reset is recommended.
1305  */
1306 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1307 {
1308 	const char *type = "unknown error";
1309 	struct wmi_cmd_error_event *ev;
1310 	ev = (struct wmi_cmd_error_event *) datap;
1311 
1312 	switch (ev->err_code) {
1313 	case INVALID_PARAM:
1314 		type = "invalid parameter";
1315 		break;
1316 	case ILLEGAL_STATE:
1317 		type = "invalid state";
1318 		break;
1319 	case INTERNAL_ERROR:
1320 		type = "internal error";
1321 		break;
1322 	}
1323 
1324 	ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1325 		   ev->cmd_id, type);
1326 
1327 	return 0;
1328 }
1329 
1330 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1331 				     struct ath6kl_vif *vif)
1332 {
1333 	ath6kl_tgt_stats_event(vif, datap, len);
1334 
1335 	return 0;
1336 }
1337 
1338 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1339 					 struct sq_threshold_params *sq_thresh,
1340 					 u32 size)
1341 {
1342 	u32 index;
1343 	u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1344 
1345 	/* The list is already in sorted order. Get the next lower value */
1346 	for (index = 0; index < size; index++) {
1347 		if (rssi < sq_thresh->upper_threshold[index]) {
1348 			threshold = (u8) sq_thresh->upper_threshold[index];
1349 			break;
1350 		}
1351 	}
1352 
1353 	return threshold;
1354 }
1355 
1356 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1357 					 struct sq_threshold_params *sq_thresh,
1358 					 u32 size)
1359 {
1360 	u32 index;
1361 	u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1362 
1363 	/* The list is already in sorted order. Get the next lower value */
1364 	for (index = 0; index < size; index++) {
1365 		if (rssi > sq_thresh->lower_threshold[index]) {
1366 			threshold = (u8) sq_thresh->lower_threshold[index];
1367 			break;
1368 		}
1369 	}
1370 
1371 	return threshold;
1372 }
1373 
1374 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1375 			struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1376 {
1377 	struct sk_buff *skb;
1378 	struct wmi_rssi_threshold_params_cmd *cmd;
1379 
1380 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1381 	if (!skb)
1382 		return -ENOMEM;
1383 
1384 	cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1385 	memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1386 
1387 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1388 				   NO_SYNC_WMIFLAG);
1389 }
1390 
1391 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1392 					      int len)
1393 {
1394 	struct wmi_rssi_threshold_event *reply;
1395 	struct wmi_rssi_threshold_params_cmd cmd;
1396 	struct sq_threshold_params *sq_thresh;
1397 	enum wmi_rssi_threshold_val new_threshold;
1398 	u8 upper_rssi_threshold, lower_rssi_threshold;
1399 	s16 rssi;
1400 	int ret;
1401 
1402 	if (len < sizeof(struct wmi_rssi_threshold_event))
1403 		return -EINVAL;
1404 
1405 	reply = (struct wmi_rssi_threshold_event *) datap;
1406 	new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1407 	rssi = a_sle16_to_cpu(reply->rssi);
1408 
1409 	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1410 
1411 	/*
1412 	 * Identify the threshold breached and communicate that to the app.
1413 	 * After that install a new set of thresholds based on the signal
1414 	 * quality reported by the target
1415 	 */
1416 	if (new_threshold) {
1417 		/* Upper threshold breached */
1418 		if (rssi < sq_thresh->upper_threshold[0]) {
1419 			ath6kl_dbg(ATH6KL_DBG_WMI,
1420 				   "spurious upper rssi threshold event: %d\n",
1421 				   rssi);
1422 		} else if ((rssi < sq_thresh->upper_threshold[1]) &&
1423 			   (rssi >= sq_thresh->upper_threshold[0])) {
1424 			new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1425 		} else if ((rssi < sq_thresh->upper_threshold[2]) &&
1426 			   (rssi >= sq_thresh->upper_threshold[1])) {
1427 			new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1428 		} else if ((rssi < sq_thresh->upper_threshold[3]) &&
1429 			   (rssi >= sq_thresh->upper_threshold[2])) {
1430 			new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1431 		} else if ((rssi < sq_thresh->upper_threshold[4]) &&
1432 			   (rssi >= sq_thresh->upper_threshold[3])) {
1433 			new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1434 		} else if ((rssi < sq_thresh->upper_threshold[5]) &&
1435 			   (rssi >= sq_thresh->upper_threshold[4])) {
1436 			new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1437 		} else if (rssi >= sq_thresh->upper_threshold[5]) {
1438 			new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1439 		}
1440 	} else {
1441 		/* Lower threshold breached */
1442 		if (rssi > sq_thresh->lower_threshold[0]) {
1443 			ath6kl_dbg(ATH6KL_DBG_WMI,
1444 				   "spurious lower rssi threshold event: %d %d\n",
1445 				rssi, sq_thresh->lower_threshold[0]);
1446 		} else if ((rssi > sq_thresh->lower_threshold[1]) &&
1447 			   (rssi <= sq_thresh->lower_threshold[0])) {
1448 			new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1449 		} else if ((rssi > sq_thresh->lower_threshold[2]) &&
1450 			   (rssi <= sq_thresh->lower_threshold[1])) {
1451 			new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1452 		} else if ((rssi > sq_thresh->lower_threshold[3]) &&
1453 			   (rssi <= sq_thresh->lower_threshold[2])) {
1454 			new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1455 		} else if ((rssi > sq_thresh->lower_threshold[4]) &&
1456 			   (rssi <= sq_thresh->lower_threshold[3])) {
1457 			new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1458 		} else if ((rssi > sq_thresh->lower_threshold[5]) &&
1459 			   (rssi <= sq_thresh->lower_threshold[4])) {
1460 			new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1461 		} else if (rssi <= sq_thresh->lower_threshold[5]) {
1462 			new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1463 		}
1464 	}
1465 
1466 	/* Calculate and install the next set of thresholds */
1467 	lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1468 				       sq_thresh->lower_threshold_valid_count);
1469 	upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1470 				       sq_thresh->upper_threshold_valid_count);
1471 
1472 	/* Issue a wmi command to install the thresholds */
1473 	cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1474 	cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1475 	cmd.weight = sq_thresh->weight;
1476 	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1477 
1478 	ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1479 	if (ret) {
1480 		ath6kl_err("unable to configure rssi thresholds\n");
1481 		return -EIO;
1482 	}
1483 
1484 	return 0;
1485 }
1486 
1487 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1488 				   struct ath6kl_vif *vif)
1489 {
1490 	struct wmi_cac_event *reply;
1491 	struct ieee80211_tspec_ie *ts;
1492 	u16 active_tsids, tsinfo;
1493 	u8 tsid, index;
1494 	u8 ts_id;
1495 
1496 	if (len < sizeof(struct wmi_cac_event))
1497 		return -EINVAL;
1498 
1499 	reply = (struct wmi_cac_event *) datap;
1500 
1501 	if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1502 	    (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1503 
1504 		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1505 		tsinfo = le16_to_cpu(ts->tsinfo);
1506 		tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1507 			IEEE80211_WMM_IE_TSPEC_TID_MASK;
1508 
1509 		ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1510 					      reply->ac, tsid);
1511 	} else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1512 		/*
1513 		 * Following assumes that there is only one outstanding
1514 		 * ADDTS request when this event is received
1515 		 */
1516 		spin_lock_bh(&wmi->lock);
1517 		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1518 		spin_unlock_bh(&wmi->lock);
1519 
1520 		for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1521 			if ((active_tsids >> index) & 1)
1522 				break;
1523 		}
1524 		if (index < (sizeof(active_tsids) * 8))
1525 			ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1526 						      reply->ac, index);
1527 	}
1528 
1529 	/*
1530 	 * Clear active tsids and Add missing handling
1531 	 * for delete qos stream from AP
1532 	 */
1533 	else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1534 
1535 		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1536 		tsinfo = le16_to_cpu(ts->tsinfo);
1537 		ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1538 			 IEEE80211_WMM_IE_TSPEC_TID_MASK);
1539 
1540 		spin_lock_bh(&wmi->lock);
1541 		wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1542 		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1543 		spin_unlock_bh(&wmi->lock);
1544 
1545 		/* Indicate stream inactivity to driver layer only if all tsids
1546 		 * within this AC are deleted.
1547 		 */
1548 		if (!active_tsids) {
1549 			ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1550 						    false);
1551 			wmi->fat_pipe_exist &= ~(1 << reply->ac);
1552 		}
1553 	}
1554 
1555 	return 0;
1556 }
1557 
1558 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1559 					  struct ath6kl_vif *vif)
1560 {
1561 	struct wmi_txe_notify_event *ev;
1562 	u32 rate, pkts;
1563 
1564 	if (len < sizeof(*ev))
1565 		return -EINVAL;
1566 
1567 	if (vif->sme_state != SME_CONNECTED)
1568 		return -ENOTCONN;
1569 
1570 	ev = (struct wmi_txe_notify_event *) datap;
1571 	rate = le32_to_cpu(ev->rate);
1572 	pkts = le32_to_cpu(ev->pkts);
1573 
1574 	ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1575 		   vif->bssid, rate, pkts, vif->txe_intvl);
1576 
1577 	cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1578 				rate, vif->txe_intvl, GFP_KERNEL);
1579 
1580 	return 0;
1581 }
1582 
1583 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1584 			      u32 rate, u32 pkts, u32 intvl)
1585 {
1586 	struct sk_buff *skb;
1587 	struct wmi_txe_notify_cmd *cmd;
1588 
1589 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1590 	if (!skb)
1591 		return -ENOMEM;
1592 
1593 	cmd = (struct wmi_txe_notify_cmd *) skb->data;
1594 	cmd->rate = cpu_to_le32(rate);
1595 	cmd->pkts = cpu_to_le32(pkts);
1596 	cmd->intvl = cpu_to_le32(intvl);
1597 
1598 	return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1599 				   NO_SYNC_WMIFLAG);
1600 }
1601 
1602 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1603 {
1604 	struct sk_buff *skb;
1605 	struct wmi_set_rssi_filter_cmd *cmd;
1606 	int ret;
1607 
1608 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1609 	if (!skb)
1610 		return -ENOMEM;
1611 
1612 	cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1613 	cmd->rssi = rssi;
1614 
1615 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1616 				  NO_SYNC_WMIFLAG);
1617 	return ret;
1618 }
1619 
1620 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1621 			struct wmi_snr_threshold_params_cmd *snr_cmd)
1622 {
1623 	struct sk_buff *skb;
1624 	struct wmi_snr_threshold_params_cmd *cmd;
1625 
1626 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1627 	if (!skb)
1628 		return -ENOMEM;
1629 
1630 	cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1631 	memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1632 
1633 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1634 				   NO_SYNC_WMIFLAG);
1635 }
1636 
1637 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1638 					     int len)
1639 {
1640 	struct wmi_snr_threshold_event *reply;
1641 	struct sq_threshold_params *sq_thresh;
1642 	struct wmi_snr_threshold_params_cmd cmd;
1643 	enum wmi_snr_threshold_val new_threshold;
1644 	u8 upper_snr_threshold, lower_snr_threshold;
1645 	s16 snr;
1646 	int ret;
1647 
1648 	if (len < sizeof(struct wmi_snr_threshold_event))
1649 		return -EINVAL;
1650 
1651 	reply = (struct wmi_snr_threshold_event *) datap;
1652 
1653 	new_threshold = (enum wmi_snr_threshold_val) reply->range;
1654 	snr = reply->snr;
1655 
1656 	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1657 
1658 	/*
1659 	 * Identify the threshold breached and communicate that to the app.
1660 	 * After that install a new set of thresholds based on the signal
1661 	 * quality reported by the target.
1662 	 */
1663 	if (new_threshold) {
1664 		/* Upper threshold breached */
1665 		if (snr < sq_thresh->upper_threshold[0]) {
1666 			ath6kl_dbg(ATH6KL_DBG_WMI,
1667 				   "spurious upper snr threshold event: %d\n",
1668 				   snr);
1669 		} else if ((snr < sq_thresh->upper_threshold[1]) &&
1670 			   (snr >= sq_thresh->upper_threshold[0])) {
1671 			new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1672 		} else if ((snr < sq_thresh->upper_threshold[2]) &&
1673 			   (snr >= sq_thresh->upper_threshold[1])) {
1674 			new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1675 		} else if ((snr < sq_thresh->upper_threshold[3]) &&
1676 			   (snr >= sq_thresh->upper_threshold[2])) {
1677 			new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1678 		} else if (snr >= sq_thresh->upper_threshold[3]) {
1679 			new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1680 		}
1681 	} else {
1682 		/* Lower threshold breached */
1683 		if (snr > sq_thresh->lower_threshold[0]) {
1684 			ath6kl_dbg(ATH6KL_DBG_WMI,
1685 				   "spurious lower snr threshold event: %d\n",
1686 				   sq_thresh->lower_threshold[0]);
1687 		} else if ((snr > sq_thresh->lower_threshold[1]) &&
1688 			   (snr <= sq_thresh->lower_threshold[0])) {
1689 			new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1690 		} else if ((snr > sq_thresh->lower_threshold[2]) &&
1691 			   (snr <= sq_thresh->lower_threshold[1])) {
1692 			new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1693 		} else if ((snr > sq_thresh->lower_threshold[3]) &&
1694 			   (snr <= sq_thresh->lower_threshold[2])) {
1695 			new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1696 		} else if (snr <= sq_thresh->lower_threshold[3]) {
1697 			new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1698 		}
1699 	}
1700 
1701 	/* Calculate and install the next set of thresholds */
1702 	lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1703 				       sq_thresh->lower_threshold_valid_count);
1704 	upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1705 				       sq_thresh->upper_threshold_valid_count);
1706 
1707 	/* Issue a wmi command to install the thresholds */
1708 	cmd.thresh_above1_val = upper_snr_threshold;
1709 	cmd.thresh_below1_val = lower_snr_threshold;
1710 	cmd.weight = sq_thresh->weight;
1711 	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1712 
1713 	ath6kl_dbg(ATH6KL_DBG_WMI,
1714 		   "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1715 		   snr, new_threshold,
1716 		   lower_snr_threshold, upper_snr_threshold);
1717 
1718 	ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1719 	if (ret) {
1720 		ath6kl_err("unable to configure snr threshold\n");
1721 		return -EIO;
1722 	}
1723 
1724 	return 0;
1725 }
1726 
1727 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1728 {
1729 	u16 ap_info_entry_size;
1730 	struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1731 	struct wmi_ap_info_v1 *ap_info_v1;
1732 	u8 index;
1733 
1734 	if (len < sizeof(struct wmi_aplist_event) ||
1735 	    ev->ap_list_ver != APLIST_VER1)
1736 		return -EINVAL;
1737 
1738 	ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1739 	ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1740 
1741 	ath6kl_dbg(ATH6KL_DBG_WMI,
1742 		   "number of APs in aplist event: %d\n", ev->num_ap);
1743 
1744 	if (len < (int) (sizeof(struct wmi_aplist_event) +
1745 			 (ev->num_ap - 1) * ap_info_entry_size))
1746 		return -EINVAL;
1747 
1748 	/* AP list version 1 contents */
1749 	for (index = 0; index < ev->num_ap; index++) {
1750 		ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1751 			   index, ap_info_v1->bssid, ap_info_v1->channel);
1752 		ap_info_v1++;
1753 	}
1754 
1755 	return 0;
1756 }
1757 
1758 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1759 			enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1760 {
1761 	struct wmi_cmd_hdr *cmd_hdr;
1762 	enum htc_endpoint_id ep_id = wmi->ep_id;
1763 	int ret;
1764 	u16 info1;
1765 
1766 	if (WARN_ON(skb == NULL ||
1767 		    (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1768 		dev_kfree_skb(skb);
1769 		return -EINVAL;
1770 	}
1771 
1772 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1773 		   cmd_id, skb->len, sync_flag);
1774 	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1775 			skb->data, skb->len);
1776 
1777 	if (sync_flag >= END_WMIFLAG) {
1778 		dev_kfree_skb(skb);
1779 		return -EINVAL;
1780 	}
1781 
1782 	if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1783 	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1784 		/*
1785 		 * Make sure all data currently queued is transmitted before
1786 		 * the cmd execution.  Establish a new sync point.
1787 		 */
1788 		ath6kl_wmi_sync_point(wmi, if_idx);
1789 	}
1790 
1791 	skb_push(skb, sizeof(struct wmi_cmd_hdr));
1792 
1793 	cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1794 	cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1795 	info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1796 	cmd_hdr->info1 = cpu_to_le16(info1);
1797 
1798 	/* Only for OPT_TX_CMD, use BE endpoint. */
1799 	if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1800 		ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1801 					      false, false, 0, NULL, if_idx);
1802 		if (ret) {
1803 			dev_kfree_skb(skb);
1804 			return ret;
1805 		}
1806 		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1807 	}
1808 
1809 	ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1810 
1811 	if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1812 	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1813 		/*
1814 		 * Make sure all new data queued waits for the command to
1815 		 * execute. Establish a new sync point.
1816 		 */
1817 		ath6kl_wmi_sync_point(wmi, if_idx);
1818 	}
1819 
1820 	return 0;
1821 }
1822 
1823 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1824 			   enum network_type nw_type,
1825 			   enum dot11_auth_mode dot11_auth_mode,
1826 			   enum auth_mode auth_mode,
1827 			   enum crypto_type pairwise_crypto,
1828 			   u8 pairwise_crypto_len,
1829 			   enum crypto_type group_crypto,
1830 			   u8 group_crypto_len, int ssid_len, u8 *ssid,
1831 			   u8 *bssid, u16 channel, u32 ctrl_flags,
1832 			   u8 nw_subtype)
1833 {
1834 	struct sk_buff *skb;
1835 	struct wmi_connect_cmd *cc;
1836 	int ret;
1837 
1838 	ath6kl_dbg(ATH6KL_DBG_WMI,
1839 		   "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1840 		   "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1841 		   bssid, channel, ctrl_flags, ssid_len, nw_type,
1842 		   dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1843 	ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1844 
1845 	wmi->traffic_class = 100;
1846 
1847 	if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1848 		return -EINVAL;
1849 
1850 	if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1851 		return -EINVAL;
1852 
1853 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1854 	if (!skb)
1855 		return -ENOMEM;
1856 
1857 	cc = (struct wmi_connect_cmd *) skb->data;
1858 
1859 	if (ssid_len)
1860 		memcpy(cc->ssid, ssid, ssid_len);
1861 
1862 	cc->ssid_len = ssid_len;
1863 	cc->nw_type = nw_type;
1864 	cc->dot11_auth_mode = dot11_auth_mode;
1865 	cc->auth_mode = auth_mode;
1866 	cc->prwise_crypto_type = pairwise_crypto;
1867 	cc->prwise_crypto_len = pairwise_crypto_len;
1868 	cc->grp_crypto_type = group_crypto;
1869 	cc->grp_crypto_len = group_crypto_len;
1870 	cc->ch = cpu_to_le16(channel);
1871 	cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1872 	cc->nw_subtype = nw_subtype;
1873 
1874 	if (bssid != NULL)
1875 		memcpy(cc->bssid, bssid, ETH_ALEN);
1876 
1877 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1878 				  NO_SYNC_WMIFLAG);
1879 
1880 	return ret;
1881 }
1882 
1883 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1884 			     u16 channel)
1885 {
1886 	struct sk_buff *skb;
1887 	struct wmi_reconnect_cmd *cc;
1888 	int ret;
1889 
1890 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1891 		   bssid, channel);
1892 
1893 	wmi->traffic_class = 100;
1894 
1895 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1896 	if (!skb)
1897 		return -ENOMEM;
1898 
1899 	cc = (struct wmi_reconnect_cmd *) skb->data;
1900 	cc->channel = cpu_to_le16(channel);
1901 
1902 	if (bssid != NULL)
1903 		memcpy(cc->bssid, bssid, ETH_ALEN);
1904 
1905 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1906 				  NO_SYNC_WMIFLAG);
1907 
1908 	return ret;
1909 }
1910 
1911 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1912 {
1913 	int ret;
1914 
1915 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1916 
1917 	wmi->traffic_class = 100;
1918 
1919 	/* Disconnect command does not need to do a SYNC before. */
1920 	ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1921 
1922 	return ret;
1923 }
1924 
1925 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1926  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1927  * mgmt operations using station interface.
1928  */
1929 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1930 				    enum wmi_scan_type scan_type,
1931 				    u32 force_fgscan, u32 is_legacy,
1932 				    u32 home_dwell_time,
1933 				    u32 force_scan_interval,
1934 				    s8 num_chan, u16 *ch_list)
1935 {
1936 	struct sk_buff *skb;
1937 	struct wmi_start_scan_cmd *sc;
1938 	s8 size;
1939 	int i, ret;
1940 
1941 	size = sizeof(struct wmi_start_scan_cmd);
1942 
1943 	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1944 		return -EINVAL;
1945 
1946 	if (num_chan > WMI_MAX_CHANNELS)
1947 		return -EINVAL;
1948 
1949 	if (num_chan)
1950 		size += sizeof(u16) * (num_chan - 1);
1951 
1952 	skb = ath6kl_wmi_get_new_buf(size);
1953 	if (!skb)
1954 		return -ENOMEM;
1955 
1956 	sc = (struct wmi_start_scan_cmd *) skb->data;
1957 	sc->scan_type = scan_type;
1958 	sc->force_fg_scan = cpu_to_le32(force_fgscan);
1959 	sc->is_legacy = cpu_to_le32(is_legacy);
1960 	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1961 	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1962 	sc->num_ch = num_chan;
1963 
1964 	for (i = 0; i < num_chan; i++)
1965 		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1966 
1967 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1968 				  NO_SYNC_WMIFLAG);
1969 
1970 	return ret;
1971 }
1972 
1973 /*
1974  * beginscan supports (compared to old startscan) P2P mgmt operations using
1975  * station interface, send additional information like supported rates to
1976  * advertise and xmit rates for probe requests
1977  */
1978 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1979 			     enum wmi_scan_type scan_type,
1980 			     u32 force_fgscan, u32 is_legacy,
1981 			     u32 home_dwell_time, u32 force_scan_interval,
1982 			     s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1983 {
1984 	struct ieee80211_supported_band *sband;
1985 	struct sk_buff *skb;
1986 	struct wmi_begin_scan_cmd *sc;
1987 	s8 size, *supp_rates;
1988 	int i, band, ret;
1989 	struct ath6kl *ar = wmi->parent_dev;
1990 	int num_rates;
1991 	u32 ratemask;
1992 
1993 	if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1994 		      ar->fw_capabilities)) {
1995 		return ath6kl_wmi_startscan_cmd(wmi, if_idx,
1996 						scan_type, force_fgscan,
1997 						is_legacy, home_dwell_time,
1998 						force_scan_interval,
1999 						num_chan, ch_list);
2000 	}
2001 
2002 	size = sizeof(struct wmi_begin_scan_cmd);
2003 
2004 	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2005 		return -EINVAL;
2006 
2007 	if (num_chan > WMI_MAX_CHANNELS)
2008 		return -EINVAL;
2009 
2010 	if (num_chan)
2011 		size += sizeof(u16) * (num_chan - 1);
2012 
2013 	skb = ath6kl_wmi_get_new_buf(size);
2014 	if (!skb)
2015 		return -ENOMEM;
2016 
2017 	sc = (struct wmi_begin_scan_cmd *) skb->data;
2018 	sc->scan_type = scan_type;
2019 	sc->force_fg_scan = cpu_to_le32(force_fgscan);
2020 	sc->is_legacy = cpu_to_le32(is_legacy);
2021 	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2022 	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2023 	sc->no_cck = cpu_to_le32(no_cck);
2024 	sc->num_ch = num_chan;
2025 
2026 	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2027 		sband = ar->wiphy->bands[band];
2028 
2029 		if (!sband)
2030 			continue;
2031 
2032 		ratemask = rates[band];
2033 		supp_rates = sc->supp_rates[band].rates;
2034 		num_rates = 0;
2035 
2036 		for (i = 0; i < sband->n_bitrates; i++) {
2037 			if ((BIT(i) & ratemask) == 0)
2038 				continue; /* skip rate */
2039 			supp_rates[num_rates++] =
2040 			    (u8) (sband->bitrates[i].bitrate / 5);
2041 		}
2042 		sc->supp_rates[band].nrates = num_rates;
2043 	}
2044 
2045 	for (i = 0; i < num_chan; i++)
2046 		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2047 
2048 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2049 				  NO_SYNC_WMIFLAG);
2050 
2051 	return ret;
2052 }
2053 
2054 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2055 {
2056 	struct sk_buff *skb;
2057 	struct wmi_enable_sched_scan_cmd *sc;
2058 	int ret;
2059 
2060 	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2061 	if (!skb)
2062 		return -ENOMEM;
2063 
2064 	ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2065 		   enable ? "enabling" : "disabling", if_idx);
2066 	sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2067 	sc->enable = enable ? 1 : 0;
2068 
2069 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2070 				  WMI_ENABLE_SCHED_SCAN_CMDID,
2071 				  NO_SYNC_WMIFLAG);
2072 	return ret;
2073 }
2074 
2075 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2076 			      u16 fg_start_sec,
2077 			      u16 fg_end_sec, u16 bg_sec,
2078 			      u16 minact_chdw_msec, u16 maxact_chdw_msec,
2079 			      u16 pas_chdw_msec, u8 short_scan_ratio,
2080 			      u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2081 			      u16 maxact_scan_per_ssid)
2082 {
2083 	struct sk_buff *skb;
2084 	struct wmi_scan_params_cmd *sc;
2085 	int ret;
2086 
2087 	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2088 	if (!skb)
2089 		return -ENOMEM;
2090 
2091 	sc = (struct wmi_scan_params_cmd *) skb->data;
2092 	sc->fg_start_period = cpu_to_le16(fg_start_sec);
2093 	sc->fg_end_period = cpu_to_le16(fg_end_sec);
2094 	sc->bg_period = cpu_to_le16(bg_sec);
2095 	sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2096 	sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2097 	sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2098 	sc->short_scan_ratio = short_scan_ratio;
2099 	sc->scan_ctrl_flags = scan_ctrl_flag;
2100 	sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2101 	sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2102 
2103 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2104 				  NO_SYNC_WMIFLAG);
2105 	return ret;
2106 }
2107 
2108 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2109 {
2110 	struct sk_buff *skb;
2111 	struct wmi_bss_filter_cmd *cmd;
2112 	int ret;
2113 
2114 	if (filter >= LAST_BSS_FILTER)
2115 		return -EINVAL;
2116 
2117 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2118 	if (!skb)
2119 		return -ENOMEM;
2120 
2121 	cmd = (struct wmi_bss_filter_cmd *) skb->data;
2122 	cmd->bss_filter = filter;
2123 	cmd->ie_mask = cpu_to_le32(ie_mask);
2124 
2125 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2126 				  NO_SYNC_WMIFLAG);
2127 	return ret;
2128 }
2129 
2130 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2131 			      u8 ssid_len, u8 *ssid)
2132 {
2133 	struct sk_buff *skb;
2134 	struct wmi_probed_ssid_cmd *cmd;
2135 	int ret;
2136 
2137 	if (index >= MAX_PROBED_SSIDS)
2138 		return -EINVAL;
2139 
2140 	if (ssid_len > sizeof(cmd->ssid))
2141 		return -EINVAL;
2142 
2143 	if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2144 		return -EINVAL;
2145 
2146 	if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2147 		return -EINVAL;
2148 
2149 	if (flag & SPECIFIC_SSID_FLAG)
2150 		wmi->is_probe_ssid = true;
2151 
2152 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2153 	if (!skb)
2154 		return -ENOMEM;
2155 
2156 	cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2157 	cmd->entry_index = index;
2158 	cmd->flag = flag;
2159 	cmd->ssid_len = ssid_len;
2160 	memcpy(cmd->ssid, ssid, ssid_len);
2161 
2162 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2163 				  NO_SYNC_WMIFLAG);
2164 	return ret;
2165 }
2166 
2167 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2168 				  u16 listen_interval,
2169 				  u16 listen_beacons)
2170 {
2171 	struct sk_buff *skb;
2172 	struct wmi_listen_int_cmd *cmd;
2173 	int ret;
2174 
2175 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2176 	if (!skb)
2177 		return -ENOMEM;
2178 
2179 	cmd = (struct wmi_listen_int_cmd *) skb->data;
2180 	cmd->listen_intvl = cpu_to_le16(listen_interval);
2181 	cmd->num_beacons = cpu_to_le16(listen_beacons);
2182 
2183 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2184 				  NO_SYNC_WMIFLAG);
2185 	return ret;
2186 }
2187 
2188 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2189 			     u16 bmiss_time, u16 num_beacons)
2190 {
2191 	struct sk_buff *skb;
2192 	struct wmi_bmiss_time_cmd *cmd;
2193 	int ret;
2194 
2195 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2196 	if (!skb)
2197 		return -ENOMEM;
2198 
2199 	cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2200 	cmd->bmiss_time = cpu_to_le16(bmiss_time);
2201 	cmd->num_beacons = cpu_to_le16(num_beacons);
2202 
2203 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2204 				  NO_SYNC_WMIFLAG);
2205 	return ret;
2206 }
2207 
2208 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2209 {
2210 	struct sk_buff *skb;
2211 	struct wmi_power_mode_cmd *cmd;
2212 	int ret;
2213 
2214 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2215 	if (!skb)
2216 		return -ENOMEM;
2217 
2218 	cmd = (struct wmi_power_mode_cmd *) skb->data;
2219 	cmd->pwr_mode = pwr_mode;
2220 	wmi->pwr_mode = pwr_mode;
2221 
2222 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2223 				  NO_SYNC_WMIFLAG);
2224 	return ret;
2225 }
2226 
2227 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2228 			    u16 ps_poll_num, u16 dtim_policy,
2229 			    u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2230 			    u16 ps_fail_event_policy)
2231 {
2232 	struct sk_buff *skb;
2233 	struct wmi_power_params_cmd *pm;
2234 	int ret;
2235 
2236 	skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2237 	if (!skb)
2238 		return -ENOMEM;
2239 
2240 	pm = (struct wmi_power_params_cmd *)skb->data;
2241 	pm->idle_period = cpu_to_le16(idle_period);
2242 	pm->pspoll_number = cpu_to_le16(ps_poll_num);
2243 	pm->dtim_policy = cpu_to_le16(dtim_policy);
2244 	pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2245 	pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2246 	pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2247 
2248 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2249 				  NO_SYNC_WMIFLAG);
2250 	return ret;
2251 }
2252 
2253 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2254 {
2255 	struct sk_buff *skb;
2256 	struct wmi_disc_timeout_cmd *cmd;
2257 	int ret;
2258 
2259 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2260 	if (!skb)
2261 		return -ENOMEM;
2262 
2263 	cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2264 	cmd->discon_timeout = timeout;
2265 
2266 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2267 				  NO_SYNC_WMIFLAG);
2268 
2269 	if (ret == 0)
2270 		ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2271 
2272 	return ret;
2273 }
2274 
2275 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2276 			  enum crypto_type key_type,
2277 			  u8 key_usage, u8 key_len,
2278 			  u8 *key_rsc, unsigned int key_rsc_len,
2279 			  u8 *key_material,
2280 			  u8 key_op_ctrl, u8 *mac_addr,
2281 			  enum wmi_sync_flag sync_flag)
2282 {
2283 	struct sk_buff *skb;
2284 	struct wmi_add_cipher_key_cmd *cmd;
2285 	int ret;
2286 
2287 	ath6kl_dbg(ATH6KL_DBG_WMI,
2288 		   "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2289 		   key_index, key_type, key_usage, key_len, key_op_ctrl);
2290 
2291 	if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2292 	    (key_material == NULL) || key_rsc_len > 8)
2293 		return -EINVAL;
2294 
2295 	if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2296 		return -EINVAL;
2297 
2298 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2299 	if (!skb)
2300 		return -ENOMEM;
2301 
2302 	cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2303 	cmd->key_index = key_index;
2304 	cmd->key_type = key_type;
2305 	cmd->key_usage = key_usage;
2306 	cmd->key_len = key_len;
2307 	memcpy(cmd->key, key_material, key_len);
2308 
2309 	if (key_rsc != NULL)
2310 		memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2311 
2312 	cmd->key_op_ctrl = key_op_ctrl;
2313 
2314 	if (mac_addr)
2315 		memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2316 
2317 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2318 				  sync_flag);
2319 
2320 	return ret;
2321 }
2322 
2323 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2324 {
2325 	struct sk_buff *skb;
2326 	struct wmi_add_krk_cmd *cmd;
2327 	int ret;
2328 
2329 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2330 	if (!skb)
2331 		return -ENOMEM;
2332 
2333 	cmd = (struct wmi_add_krk_cmd *) skb->data;
2334 	memcpy(cmd->krk, krk, WMI_KRK_LEN);
2335 
2336 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2337 				  NO_SYNC_WMIFLAG);
2338 
2339 	return ret;
2340 }
2341 
2342 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2343 {
2344 	struct sk_buff *skb;
2345 	struct wmi_delete_cipher_key_cmd *cmd;
2346 	int ret;
2347 
2348 	if (key_index > WMI_MAX_KEY_INDEX)
2349 		return -EINVAL;
2350 
2351 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2352 	if (!skb)
2353 		return -ENOMEM;
2354 
2355 	cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2356 	cmd->key_index = key_index;
2357 
2358 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2359 				  NO_SYNC_WMIFLAG);
2360 
2361 	return ret;
2362 }
2363 
2364 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2365 			    const u8 *pmkid, bool set)
2366 {
2367 	struct sk_buff *skb;
2368 	struct wmi_setpmkid_cmd *cmd;
2369 	int ret;
2370 
2371 	if (bssid == NULL)
2372 		return -EINVAL;
2373 
2374 	if (set && pmkid == NULL)
2375 		return -EINVAL;
2376 
2377 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2378 	if (!skb)
2379 		return -ENOMEM;
2380 
2381 	cmd = (struct wmi_setpmkid_cmd *) skb->data;
2382 	memcpy(cmd->bssid, bssid, ETH_ALEN);
2383 	if (set) {
2384 		memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2385 		cmd->enable = PMKID_ENABLE;
2386 	} else {
2387 		memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2388 		cmd->enable = PMKID_DISABLE;
2389 	}
2390 
2391 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2392 				  NO_SYNC_WMIFLAG);
2393 
2394 	return ret;
2395 }
2396 
2397 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2398 			      enum htc_endpoint_id ep_id, u8 if_idx)
2399 {
2400 	struct wmi_data_hdr *data_hdr;
2401 	int ret;
2402 
2403 	if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2404 		dev_kfree_skb(skb);
2405 		return -EINVAL;
2406 	}
2407 
2408 	skb_push(skb, sizeof(struct wmi_data_hdr));
2409 
2410 	data_hdr = (struct wmi_data_hdr *) skb->data;
2411 	data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2412 	data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2413 
2414 	ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2415 
2416 	return ret;
2417 }
2418 
2419 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2420 {
2421 	struct sk_buff *skb;
2422 	struct wmi_sync_cmd *cmd;
2423 	struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2424 	enum htc_endpoint_id ep_id;
2425 	u8 index, num_pri_streams = 0;
2426 	int ret = 0;
2427 
2428 	memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2429 
2430 	spin_lock_bh(&wmi->lock);
2431 
2432 	for (index = 0; index < WMM_NUM_AC; index++) {
2433 		if (wmi->fat_pipe_exist & (1 << index)) {
2434 			num_pri_streams++;
2435 			data_sync_bufs[num_pri_streams - 1].traffic_class =
2436 			    index;
2437 		}
2438 	}
2439 
2440 	spin_unlock_bh(&wmi->lock);
2441 
2442 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2443 	if (!skb)
2444 		return -ENOMEM;
2445 
2446 	cmd = (struct wmi_sync_cmd *) skb->data;
2447 
2448 	/*
2449 	 * In the SYNC cmd sent on the control Ep, send a bitmap
2450 	 * of the data eps on which the Data Sync will be sent
2451 	 */
2452 	cmd->data_sync_map = wmi->fat_pipe_exist;
2453 
2454 	for (index = 0; index < num_pri_streams; index++) {
2455 		data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2456 		if (data_sync_bufs[index].skb == NULL) {
2457 			ret = -ENOMEM;
2458 			break;
2459 		}
2460 	}
2461 
2462 	/*
2463 	 * If buffer allocation for any of the dataSync fails,
2464 	 * then do not send the Synchronize cmd on the control ep
2465 	 */
2466 	if (ret)
2467 		goto free_cmd_skb;
2468 
2469 	/*
2470 	 * Send sync cmd followed by sync data messages on all
2471 	 * endpoints being used
2472 	 */
2473 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2474 				  NO_SYNC_WMIFLAG);
2475 
2476 	if (ret)
2477 		goto free_data_skb;
2478 
2479 	for (index = 0; index < num_pri_streams; index++) {
2480 
2481 		if (WARN_ON(!data_sync_bufs[index].skb))
2482 			goto free_data_skb;
2483 
2484 		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2485 					       data_sync_bufs[index].
2486 					       traffic_class);
2487 		ret =
2488 		    ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2489 					      ep_id, if_idx);
2490 
2491 		data_sync_bufs[index].skb = NULL;
2492 
2493 		if (ret)
2494 			goto free_data_skb;
2495 	}
2496 
2497 	return 0;
2498 
2499 free_cmd_skb:
2500 	/* free up any resources left over (possibly due to an error) */
2501 	dev_kfree_skb(skb);
2502 
2503 free_data_skb:
2504 	for (index = 0; index < num_pri_streams; index++)
2505 		dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2506 
2507 	return ret;
2508 }
2509 
2510 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2511 				  struct wmi_create_pstream_cmd *params)
2512 {
2513 	struct sk_buff *skb;
2514 	struct wmi_create_pstream_cmd *cmd;
2515 	u8 fatpipe_exist_for_ac = 0;
2516 	s32 min_phy = 0;
2517 	s32 nominal_phy = 0;
2518 	int ret;
2519 
2520 	if (!((params->user_pri < 8) &&
2521 	      (params->user_pri <= 0x7) &&
2522 	      (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2523 	      (params->traffic_direc == UPLINK_TRAFFIC ||
2524 	       params->traffic_direc == DNLINK_TRAFFIC ||
2525 	       params->traffic_direc == BIDIR_TRAFFIC) &&
2526 	      (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2527 	       params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2528 	      (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2529 	       params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2530 	       params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2531 	      (params->tsid == WMI_IMPLICIT_PSTREAM ||
2532 	       params->tsid <= WMI_MAX_THINSTREAM))) {
2533 		return -EINVAL;
2534 	}
2535 
2536 	/*
2537 	 * Check nominal PHY rate is >= minimalPHY,
2538 	 * so that DUT can allow TSRS IE
2539 	 */
2540 
2541 	/* Get the physical rate (units of bps) */
2542 	min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2543 
2544 	/* Check minimal phy < nominal phy rate */
2545 	if (params->nominal_phy >= min_phy) {
2546 		/* unit of 500 kbps */
2547 		nominal_phy = (params->nominal_phy * 1000) / 500;
2548 		ath6kl_dbg(ATH6KL_DBG_WMI,
2549 			   "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2550 			   min_phy, nominal_phy);
2551 
2552 		params->nominal_phy = nominal_phy;
2553 	} else {
2554 		params->nominal_phy = 0;
2555 	}
2556 
2557 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2558 	if (!skb)
2559 		return -ENOMEM;
2560 
2561 	ath6kl_dbg(ATH6KL_DBG_WMI,
2562 		   "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2563 		   params->traffic_class, params->tsid);
2564 
2565 	cmd = (struct wmi_create_pstream_cmd *) skb->data;
2566 	memcpy(cmd, params, sizeof(*cmd));
2567 
2568 	/* This is an implicitly created Fat pipe */
2569 	if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2570 		spin_lock_bh(&wmi->lock);
2571 		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2572 					(1 << params->traffic_class));
2573 		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2574 		spin_unlock_bh(&wmi->lock);
2575 	} else {
2576 		/* explicitly created thin stream within a fat pipe */
2577 		spin_lock_bh(&wmi->lock);
2578 		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2579 					(1 << params->traffic_class));
2580 		wmi->stream_exist_for_ac[params->traffic_class] |=
2581 		    (1 << params->tsid);
2582 		/*
2583 		 * If a thinstream becomes active, the fat pipe automatically
2584 		 * becomes active
2585 		 */
2586 		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2587 		spin_unlock_bh(&wmi->lock);
2588 	}
2589 
2590 	/*
2591 	 * Indicate activty change to driver layer only if this is the
2592 	 * first TSID to get created in this AC explicitly or an implicit
2593 	 * fat pipe is getting created.
2594 	 */
2595 	if (!fatpipe_exist_for_ac)
2596 		ath6kl_indicate_tx_activity(wmi->parent_dev,
2597 					    params->traffic_class, true);
2598 
2599 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2600 				  NO_SYNC_WMIFLAG);
2601 	return ret;
2602 }
2603 
2604 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2605 				  u8 tsid)
2606 {
2607 	struct sk_buff *skb;
2608 	struct wmi_delete_pstream_cmd *cmd;
2609 	u16 active_tsids = 0;
2610 	int ret;
2611 
2612 	if (traffic_class > 3) {
2613 		ath6kl_err("invalid traffic class: %d\n", traffic_class);
2614 		return -EINVAL;
2615 	}
2616 
2617 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2618 	if (!skb)
2619 		return -ENOMEM;
2620 
2621 	cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2622 	cmd->traffic_class = traffic_class;
2623 	cmd->tsid = tsid;
2624 
2625 	spin_lock_bh(&wmi->lock);
2626 	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2627 	spin_unlock_bh(&wmi->lock);
2628 
2629 	if (!(active_tsids & (1 << tsid))) {
2630 		dev_kfree_skb(skb);
2631 		ath6kl_dbg(ATH6KL_DBG_WMI,
2632 			   "TSID %d doesn't exist for traffic class: %d\n",
2633 			   tsid, traffic_class);
2634 		return -ENODATA;
2635 	}
2636 
2637 	ath6kl_dbg(ATH6KL_DBG_WMI,
2638 		   "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2639 		   traffic_class, tsid);
2640 
2641 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2642 				  SYNC_BEFORE_WMIFLAG);
2643 
2644 	spin_lock_bh(&wmi->lock);
2645 	wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2646 	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2647 	spin_unlock_bh(&wmi->lock);
2648 
2649 	/*
2650 	 * Indicate stream inactivity to driver layer only if all tsids
2651 	 * within this AC are deleted.
2652 	 */
2653 	if (!active_tsids) {
2654 		ath6kl_indicate_tx_activity(wmi->parent_dev,
2655 					    traffic_class, false);
2656 		wmi->fat_pipe_exist &= ~(1 << traffic_class);
2657 	}
2658 
2659 	return ret;
2660 }
2661 
2662 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2663 			  __be32 ips0, __be32 ips1)
2664 {
2665 	struct sk_buff *skb;
2666 	struct wmi_set_ip_cmd *cmd;
2667 	int ret;
2668 
2669 	/* Multicast address are not valid */
2670 	if (ipv4_is_multicast(ips0) ||
2671 	    ipv4_is_multicast(ips1))
2672 		return -EINVAL;
2673 
2674 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2675 	if (!skb)
2676 		return -ENOMEM;
2677 
2678 	cmd = (struct wmi_set_ip_cmd *) skb->data;
2679 	cmd->ips[0] = ips0;
2680 	cmd->ips[1] = ips1;
2681 
2682 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2683 				  NO_SYNC_WMIFLAG);
2684 	return ret;
2685 }
2686 
2687 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2688 {
2689 	u16 active_tsids;
2690 	u8 stream_exist;
2691 	int i;
2692 
2693 	/*
2694 	 * Relinquish credits from all implicitly created pstreams
2695 	 * since when we go to sleep. If user created explicit
2696 	 * thinstreams exists with in a fatpipe leave them intact
2697 	 * for the user to delete.
2698 	 */
2699 	spin_lock_bh(&wmi->lock);
2700 	stream_exist = wmi->fat_pipe_exist;
2701 	spin_unlock_bh(&wmi->lock);
2702 
2703 	for (i = 0; i < WMM_NUM_AC; i++) {
2704 		if (stream_exist & (1 << i)) {
2705 
2706 			/*
2707 			 * FIXME: Is this lock & unlock inside
2708 			 * for loop correct? may need rework.
2709 			 */
2710 			spin_lock_bh(&wmi->lock);
2711 			active_tsids = wmi->stream_exist_for_ac[i];
2712 			spin_unlock_bh(&wmi->lock);
2713 
2714 			/*
2715 			 * If there are no user created thin streams
2716 			 * delete the fatpipe
2717 			 */
2718 			if (!active_tsids) {
2719 				stream_exist &= ~(1 << i);
2720 				/*
2721 				 * Indicate inactivity to driver layer for
2722 				 * this fatpipe (pstream)
2723 				 */
2724 				ath6kl_indicate_tx_activity(wmi->parent_dev,
2725 							    i, false);
2726 			}
2727 		}
2728 	}
2729 
2730 	/* FIXME: Can we do this assignment without locking ? */
2731 	spin_lock_bh(&wmi->lock);
2732 	wmi->fat_pipe_exist = stream_exist;
2733 	spin_unlock_bh(&wmi->lock);
2734 }
2735 
2736 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2737 				     const struct cfg80211_bitrate_mask *mask)
2738 {
2739 	struct sk_buff *skb;
2740 	int ret, mode, band;
2741 	u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2742 	struct wmi_set_tx_select_rates64_cmd *cmd;
2743 
2744 	memset(&ratemask, 0, sizeof(ratemask));
2745 
2746 	/* only check 2.4 and 5 GHz bands, skip the rest */
2747 	for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2748 		/* copy legacy rate mask */
2749 		ratemask[band] = mask->control[band].legacy;
2750 		if (band == IEEE80211_BAND_5GHZ)
2751 			ratemask[band] =
2752 				mask->control[band].legacy << 4;
2753 
2754 		/* copy mcs rate mask */
2755 		mcsrate = mask->control[band].mcs[1];
2756 		mcsrate <<= 8;
2757 		mcsrate |= mask->control[band].mcs[0];
2758 		ratemask[band] |= mcsrate << 12;
2759 		ratemask[band] |= mcsrate << 28;
2760 	}
2761 
2762 	ath6kl_dbg(ATH6KL_DBG_WMI,
2763 		   "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2764 		   ratemask[0], ratemask[1]);
2765 
2766 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2767 	if (!skb)
2768 		return -ENOMEM;
2769 
2770 	cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2771 	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2772 		/* A mode operate in 5GHZ band */
2773 		if (mode == WMI_RATES_MODE_11A ||
2774 		    mode == WMI_RATES_MODE_11A_HT20 ||
2775 		    mode == WMI_RATES_MODE_11A_HT40)
2776 			band = IEEE80211_BAND_5GHZ;
2777 		else
2778 			band = IEEE80211_BAND_2GHZ;
2779 		cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2780 	}
2781 
2782 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2783 				  WMI_SET_TX_SELECT_RATES_CMDID,
2784 				  NO_SYNC_WMIFLAG);
2785 	return ret;
2786 }
2787 
2788 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2789 				     const struct cfg80211_bitrate_mask *mask)
2790 {
2791 	struct sk_buff *skb;
2792 	int ret, mode, band;
2793 	u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2794 	struct wmi_set_tx_select_rates32_cmd *cmd;
2795 
2796 	memset(&ratemask, 0, sizeof(ratemask));
2797 
2798 	/* only check 2.4 and 5 GHz bands, skip the rest */
2799 	for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2800 		/* copy legacy rate mask */
2801 		ratemask[band] = mask->control[band].legacy;
2802 		if (band == IEEE80211_BAND_5GHZ)
2803 			ratemask[band] =
2804 				mask->control[band].legacy << 4;
2805 
2806 		/* copy mcs rate mask */
2807 		mcsrate = mask->control[band].mcs[0];
2808 		ratemask[band] |= mcsrate << 12;
2809 		ratemask[band] |= mcsrate << 20;
2810 	}
2811 
2812 	ath6kl_dbg(ATH6KL_DBG_WMI,
2813 		   "Ratemask 32 bit: 2.4:%x 5:%x\n",
2814 		   ratemask[0], ratemask[1]);
2815 
2816 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2817 	if (!skb)
2818 		return -ENOMEM;
2819 
2820 	cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2821 	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2822 		/* A mode operate in 5GHZ band */
2823 		if (mode == WMI_RATES_MODE_11A ||
2824 		    mode == WMI_RATES_MODE_11A_HT20 ||
2825 		    mode == WMI_RATES_MODE_11A_HT40)
2826 			band = IEEE80211_BAND_5GHZ;
2827 		else
2828 			band = IEEE80211_BAND_2GHZ;
2829 		cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2830 	}
2831 
2832 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2833 				  WMI_SET_TX_SELECT_RATES_CMDID,
2834 				  NO_SYNC_WMIFLAG);
2835 	return ret;
2836 }
2837 
2838 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2839 				const struct cfg80211_bitrate_mask *mask)
2840 {
2841 	struct ath6kl *ar = wmi->parent_dev;
2842 
2843 	if (ar->hw.flags & ATH6KL_HW_64BIT_RATES)
2844 		return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2845 	else
2846 		return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2847 }
2848 
2849 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2850 				       enum ath6kl_host_mode host_mode)
2851 {
2852 	struct sk_buff *skb;
2853 	struct wmi_set_host_sleep_mode_cmd *cmd;
2854 	int ret;
2855 
2856 	if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2857 	    (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2858 		ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2859 		return -EINVAL;
2860 	}
2861 
2862 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2863 	if (!skb)
2864 		return -ENOMEM;
2865 
2866 	cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2867 
2868 	if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2869 		ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2870 		cmd->asleep = cpu_to_le32(1);
2871 	} else
2872 		cmd->awake = cpu_to_le32(1);
2873 
2874 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2875 				  WMI_SET_HOST_SLEEP_MODE_CMDID,
2876 				  NO_SYNC_WMIFLAG);
2877 	return ret;
2878 }
2879 
2880 /* This command has zero length payload */
2881 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2882 						      struct ath6kl_vif *vif)
2883 {
2884 	struct ath6kl *ar = wmi->parent_dev;
2885 
2886 	set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2887 	wake_up(&ar->event_wq);
2888 
2889 	return 0;
2890 }
2891 
2892 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2893 				enum ath6kl_wow_mode wow_mode,
2894 				u32 filter, u16 host_req_delay)
2895 {
2896 	struct sk_buff *skb;
2897 	struct wmi_set_wow_mode_cmd *cmd;
2898 	int ret;
2899 
2900 	if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2901 	    wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2902 		ath6kl_err("invalid wow mode: %d\n", wow_mode);
2903 		return -EINVAL;
2904 	}
2905 
2906 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2907 	if (!skb)
2908 		return -ENOMEM;
2909 
2910 	cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2911 	cmd->enable_wow = cpu_to_le32(wow_mode);
2912 	cmd->filter = cpu_to_le32(filter);
2913 	cmd->host_req_delay = cpu_to_le16(host_req_delay);
2914 
2915 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2916 				  NO_SYNC_WMIFLAG);
2917 	return ret;
2918 }
2919 
2920 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2921 				   u8 list_id, u8 filter_size,
2922 				   u8 filter_offset, const u8 *filter,
2923 				   const u8 *mask)
2924 {
2925 	struct sk_buff *skb;
2926 	struct wmi_add_wow_pattern_cmd *cmd;
2927 	u16 size;
2928 	u8 *filter_mask;
2929 	int ret;
2930 
2931 	/*
2932 	 * Allocate additional memory in the buffer to hold
2933 	 * filter and mask value, which is twice of filter_size.
2934 	 */
2935 	size = sizeof(*cmd) + (2 * filter_size);
2936 
2937 	skb = ath6kl_wmi_get_new_buf(size);
2938 	if (!skb)
2939 		return -ENOMEM;
2940 
2941 	cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2942 	cmd->filter_list_id = list_id;
2943 	cmd->filter_size = filter_size;
2944 	cmd->filter_offset = filter_offset;
2945 
2946 	memcpy(cmd->filter, filter, filter_size);
2947 
2948 	filter_mask = (u8 *) (cmd->filter + filter_size);
2949 	memcpy(filter_mask, mask, filter_size);
2950 
2951 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2952 				  NO_SYNC_WMIFLAG);
2953 
2954 	return ret;
2955 }
2956 
2957 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2958 				   u16 list_id, u16 filter_id)
2959 {
2960 	struct sk_buff *skb;
2961 	struct wmi_del_wow_pattern_cmd *cmd;
2962 	int ret;
2963 
2964 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2965 	if (!skb)
2966 		return -ENOMEM;
2967 
2968 	cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2969 	cmd->filter_list_id = cpu_to_le16(list_id);
2970 	cmd->filter_id = cpu_to_le16(filter_id);
2971 
2972 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2973 				  NO_SYNC_WMIFLAG);
2974 	return ret;
2975 }
2976 
2977 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2978 				    enum wmix_command_id cmd_id,
2979 				    enum wmi_sync_flag sync_flag)
2980 {
2981 	struct wmix_cmd_hdr *cmd_hdr;
2982 	int ret;
2983 
2984 	skb_push(skb, sizeof(struct wmix_cmd_hdr));
2985 
2986 	cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2987 	cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2988 
2989 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2990 
2991 	return ret;
2992 }
2993 
2994 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2995 {
2996 	struct sk_buff *skb;
2997 	struct wmix_hb_challenge_resp_cmd *cmd;
2998 	int ret;
2999 
3000 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3001 	if (!skb)
3002 		return -ENOMEM;
3003 
3004 	cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3005 	cmd->cookie = cpu_to_le32(cookie);
3006 	cmd->source = cpu_to_le32(source);
3007 
3008 	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3009 				       NO_SYNC_WMIFLAG);
3010 	return ret;
3011 }
3012 
3013 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3014 {
3015 	struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3016 	struct sk_buff *skb;
3017 	int ret;
3018 
3019 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3020 	if (!skb)
3021 		return -ENOMEM;
3022 
3023 	cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3024 	cmd->valid = cpu_to_le32(valid);
3025 	cmd->config = cpu_to_le32(config);
3026 
3027 	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3028 				       NO_SYNC_WMIFLAG);
3029 	return ret;
3030 }
3031 
3032 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3033 {
3034 	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3035 }
3036 
3037 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3038 {
3039 	struct sk_buff *skb;
3040 	struct wmi_set_tx_pwr_cmd *cmd;
3041 	int ret;
3042 
3043 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3044 	if (!skb)
3045 		return -ENOMEM;
3046 
3047 	cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3048 	cmd->dbM = dbM;
3049 
3050 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3051 				  NO_SYNC_WMIFLAG);
3052 
3053 	return ret;
3054 }
3055 
3056 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3057 {
3058 	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3059 }
3060 
3061 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3062 {
3063 	return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3064 }
3065 
3066 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3067 				 u8 preamble_policy)
3068 {
3069 	struct sk_buff *skb;
3070 	struct wmi_set_lpreamble_cmd *cmd;
3071 	int ret;
3072 
3073 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3074 	if (!skb)
3075 		return -ENOMEM;
3076 
3077 	cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3078 	cmd->status = status;
3079 	cmd->preamble_policy = preamble_policy;
3080 
3081 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3082 				  NO_SYNC_WMIFLAG);
3083 	return ret;
3084 }
3085 
3086 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3087 {
3088 	struct sk_buff *skb;
3089 	struct wmi_set_rts_cmd *cmd;
3090 	int ret;
3091 
3092 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3093 	if (!skb)
3094 		return -ENOMEM;
3095 
3096 	cmd = (struct wmi_set_rts_cmd *) skb->data;
3097 	cmd->threshold = cpu_to_le16(threshold);
3098 
3099 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3100 				  NO_SYNC_WMIFLAG);
3101 	return ret;
3102 }
3103 
3104 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3105 {
3106 	struct sk_buff *skb;
3107 	struct wmi_set_wmm_txop_cmd *cmd;
3108 	int ret;
3109 
3110 	if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3111 		return -EINVAL;
3112 
3113 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3114 	if (!skb)
3115 		return -ENOMEM;
3116 
3117 	cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3118 	cmd->txop_enable = cfg;
3119 
3120 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3121 				  NO_SYNC_WMIFLAG);
3122 	return ret;
3123 }
3124 
3125 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3126 				 u8 keep_alive_intvl)
3127 {
3128 	struct sk_buff *skb;
3129 	struct wmi_set_keepalive_cmd *cmd;
3130 	int ret;
3131 
3132 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3133 	if (!skb)
3134 		return -ENOMEM;
3135 
3136 	cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3137 	cmd->keep_alive_intvl = keep_alive_intvl;
3138 
3139 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3140 				  NO_SYNC_WMIFLAG);
3141 
3142 	if (ret == 0)
3143 		ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3144 
3145 	return ret;
3146 }
3147 
3148 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3149 			     enum ieee80211_band band,
3150 			     struct ath6kl_htcap *htcap)
3151 {
3152 	struct sk_buff *skb;
3153 	struct wmi_set_htcap_cmd *cmd;
3154 
3155 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3156 	if (!skb)
3157 		return -ENOMEM;
3158 
3159 	cmd = (struct wmi_set_htcap_cmd *) skb->data;
3160 
3161 	/*
3162 	 * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3163 	 * this will be changed in firmware. If at all there is any change in
3164 	 * band value, the host needs to be fixed.
3165 	 */
3166 	cmd->band = band;
3167 	cmd->ht_enable = !!htcap->ht_enable;
3168 	cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3169 	cmd->ht40_supported =
3170 		!!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3171 	cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3172 	cmd->intolerant_40mhz =
3173 		!!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3174 	cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3175 
3176 	ath6kl_dbg(ATH6KL_DBG_WMI,
3177 		   "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3178 		   cmd->band, cmd->ht_enable, cmd->ht40_supported,
3179 		   cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3180 		   cmd->max_ampdu_len_exp);
3181 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3182 				   NO_SYNC_WMIFLAG);
3183 }
3184 
3185 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3186 {
3187 	struct sk_buff *skb;
3188 	int ret;
3189 
3190 	skb = ath6kl_wmi_get_new_buf(len);
3191 	if (!skb)
3192 		return -ENOMEM;
3193 
3194 	memcpy(skb->data, buf, len);
3195 
3196 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3197 
3198 	return ret;
3199 }
3200 
3201 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3202 {
3203 	struct sk_buff *skb;
3204 	struct wmi_mcast_filter_cmd *cmd;
3205 	int ret;
3206 
3207 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3208 	if (!skb)
3209 		return -ENOMEM;
3210 
3211 	cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3212 	cmd->mcast_all_enable = mc_all_on;
3213 
3214 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3215 				  NO_SYNC_WMIFLAG);
3216 	return ret;
3217 }
3218 
3219 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3220 					u8 *filter, bool add_filter)
3221 {
3222 	struct sk_buff *skb;
3223 	struct wmi_mcast_filter_add_del_cmd *cmd;
3224 	int ret;
3225 
3226 	if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3227 	    (filter[0] != 0x01 || filter[1] != 0x00 ||
3228 	    filter[2] != 0x5e || filter[3] > 0x7f)) {
3229 		ath6kl_warn("invalid multicast filter address\n");
3230 		return -EINVAL;
3231 	}
3232 
3233 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3234 	if (!skb)
3235 		return -ENOMEM;
3236 
3237 	cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3238 	memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3239 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3240 				  add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3241 				  WMI_DEL_MCAST_FILTER_CMDID,
3242 				  NO_SYNC_WMIFLAG);
3243 
3244 	return ret;
3245 }
3246 
3247 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3248 {
3249 	struct sk_buff *skb;
3250 	struct wmi_sta_bmiss_enhance_cmd *cmd;
3251 	int ret;
3252 
3253 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3254 	if (!skb)
3255 		return -ENOMEM;
3256 
3257 	cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3258 	cmd->enable = enhance ? 1 : 0;
3259 
3260 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3261 				  WMI_STA_BMISS_ENHANCE_CMDID,
3262 				  NO_SYNC_WMIFLAG);
3263 	return ret;
3264 }
3265 
3266 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3267 {
3268 	struct sk_buff *skb;
3269 	struct wmi_set_regdomain_cmd *cmd;
3270 
3271 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3272 	if (!skb)
3273 		return -ENOMEM;
3274 
3275 	cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3276 	memcpy(cmd->iso_name, alpha2, 2);
3277 
3278 	return ath6kl_wmi_cmd_send(wmi, 0, skb,
3279 				   WMI_SET_REGDOMAIN_CMDID,
3280 				   NO_SYNC_WMIFLAG);
3281 }
3282 
3283 s32 ath6kl_wmi_get_rate(s8 rate_index)
3284 {
3285 	u8 sgi = 0;
3286 
3287 	if (rate_index == RATE_AUTO)
3288 		return 0;
3289 
3290 	/* SGI is stored as the MSB of the rate_index */
3291 	if (rate_index & RATE_INDEX_MSB) {
3292 		rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3293 		sgi = 1;
3294 	}
3295 
3296 	if (WARN_ON(rate_index > RATE_MCS_7_40))
3297 		rate_index = RATE_MCS_7_40;
3298 
3299 	return wmi_rate_tbl[(u32) rate_index][sgi];
3300 }
3301 
3302 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3303 					      u32 len)
3304 {
3305 	struct wmi_pmkid_list_reply *reply;
3306 	u32 expected_len;
3307 
3308 	if (len < sizeof(struct wmi_pmkid_list_reply))
3309 		return -EINVAL;
3310 
3311 	reply = (struct wmi_pmkid_list_reply *)datap;
3312 	expected_len = sizeof(reply->num_pmkid) +
3313 		le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3314 
3315 	if (len < expected_len)
3316 		return -EINVAL;
3317 
3318 	return 0;
3319 }
3320 
3321 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3322 					 struct ath6kl_vif *vif)
3323 {
3324 	struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3325 
3326 	aggr_recv_addba_req_evt(vif, cmd->tid,
3327 				le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3328 
3329 	return 0;
3330 }
3331 
3332 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3333 					 struct ath6kl_vif *vif)
3334 {
3335 	struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3336 
3337 	aggr_recv_delba_req_evt(vif, cmd->tid);
3338 
3339 	return 0;
3340 }
3341 
3342 /*  AP mode functions */
3343 
3344 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3345 				 struct wmi_connect_cmd *p)
3346 {
3347 	struct sk_buff *skb;
3348 	struct wmi_connect_cmd *cm;
3349 	int res;
3350 
3351 	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3352 	if (!skb)
3353 		return -ENOMEM;
3354 
3355 	cm = (struct wmi_connect_cmd *) skb->data;
3356 	memcpy(cm, p, sizeof(*cm));
3357 
3358 	res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3359 				  NO_SYNC_WMIFLAG);
3360 	ath6kl_dbg(ATH6KL_DBG_WMI,
3361 		   "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3362 		   __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3363 		   le32_to_cpu(p->ctrl_flags), res);
3364 	return res;
3365 }
3366 
3367 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3368 			   u16 reason)
3369 {
3370 	struct sk_buff *skb;
3371 	struct wmi_ap_set_mlme_cmd *cm;
3372 
3373 	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3374 	if (!skb)
3375 		return -ENOMEM;
3376 
3377 	cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3378 	memcpy(cm->mac, mac, ETH_ALEN);
3379 	cm->reason = cpu_to_le16(reason);
3380 	cm->cmd = cmd;
3381 
3382 	ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3383 		   cm->reason);
3384 
3385 	return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3386 				   NO_SYNC_WMIFLAG);
3387 }
3388 
3389 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3390 {
3391 	struct sk_buff *skb;
3392 	struct wmi_ap_hidden_ssid_cmd *cmd;
3393 
3394 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3395 	if (!skb)
3396 		return -ENOMEM;
3397 
3398 	cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3399 	cmd->hidden_ssid = enable ? 1 : 0;
3400 
3401 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3402 				   NO_SYNC_WMIFLAG);
3403 }
3404 
3405 /* This command will be used to enable/disable AP uAPSD feature */
3406 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3407 {
3408 	struct wmi_ap_set_apsd_cmd *cmd;
3409 	struct sk_buff *skb;
3410 
3411 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3412 	if (!skb)
3413 		return -ENOMEM;
3414 
3415 	cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3416 	cmd->enable = enable;
3417 
3418 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3419 				   NO_SYNC_WMIFLAG);
3420 }
3421 
3422 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3423 					     u16 aid, u16 bitmap, u32 flags)
3424 {
3425 	struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3426 	struct sk_buff *skb;
3427 
3428 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3429 	if (!skb)
3430 		return -ENOMEM;
3431 
3432 	cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3433 	cmd->aid = cpu_to_le16(aid);
3434 	cmd->bitmap = cpu_to_le16(bitmap);
3435 	cmd->flags = cpu_to_le32(flags);
3436 
3437 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3438 				   WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3439 				   NO_SYNC_WMIFLAG);
3440 }
3441 
3442 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3443 				      struct ath6kl_vif *vif)
3444 {
3445 	struct wmi_pspoll_event *ev;
3446 
3447 	if (len < sizeof(struct wmi_pspoll_event))
3448 		return -EINVAL;
3449 
3450 	ev = (struct wmi_pspoll_event *) datap;
3451 
3452 	ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3453 
3454 	return 0;
3455 }
3456 
3457 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3458 					  struct ath6kl_vif *vif)
3459 {
3460 	ath6kl_dtimexpiry_event(vif);
3461 
3462 	return 0;
3463 }
3464 
3465 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3466 			   bool flag)
3467 {
3468 	struct sk_buff *skb;
3469 	struct wmi_ap_set_pvb_cmd *cmd;
3470 	int ret;
3471 
3472 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3473 	if (!skb)
3474 		return -ENOMEM;
3475 
3476 	cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3477 	cmd->aid = cpu_to_le16(aid);
3478 	cmd->rsvd = cpu_to_le16(0);
3479 	cmd->flag = cpu_to_le32(flag);
3480 
3481 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3482 				  NO_SYNC_WMIFLAG);
3483 
3484 	return 0;
3485 }
3486 
3487 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3488 				       u8 rx_meta_ver,
3489 				       bool rx_dot11_hdr, bool defrag_on_host)
3490 {
3491 	struct sk_buff *skb;
3492 	struct wmi_rx_frame_format_cmd *cmd;
3493 	int ret;
3494 
3495 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3496 	if (!skb)
3497 		return -ENOMEM;
3498 
3499 	cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3500 	cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3501 	cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3502 	cmd->meta_ver = rx_meta_ver;
3503 
3504 	/* Delete the local aggr state, on host */
3505 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3506 				  NO_SYNC_WMIFLAG);
3507 
3508 	return ret;
3509 }
3510 
3511 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3512 			     const u8 *ie, u8 ie_len)
3513 {
3514 	struct sk_buff *skb;
3515 	struct wmi_set_appie_cmd *p;
3516 
3517 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3518 	if (!skb)
3519 		return -ENOMEM;
3520 
3521 	ath6kl_dbg(ATH6KL_DBG_WMI,
3522 		   "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3523 		   mgmt_frm_type, ie_len);
3524 	p = (struct wmi_set_appie_cmd *) skb->data;
3525 	p->mgmt_frm_type = mgmt_frm_type;
3526 	p->ie_len = ie_len;
3527 
3528 	if (ie != NULL && ie_len > 0)
3529 		memcpy(p->ie_info, ie, ie_len);
3530 
3531 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3532 				   NO_SYNC_WMIFLAG);
3533 }
3534 
3535 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3536 			  const u8 *ie_info, u8 ie_len)
3537 {
3538 	struct sk_buff *skb;
3539 	struct wmi_set_ie_cmd *p;
3540 
3541 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3542 	if (!skb)
3543 		return -ENOMEM;
3544 
3545 	ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3546 		   ie_id, ie_field, ie_len);
3547 	p = (struct wmi_set_ie_cmd *) skb->data;
3548 	p->ie_id = ie_id;
3549 	p->ie_field = ie_field;
3550 	p->ie_len = ie_len;
3551 	if (ie_info && ie_len > 0)
3552 		memcpy(p->ie_info, ie_info, ie_len);
3553 
3554 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3555 				   NO_SYNC_WMIFLAG);
3556 }
3557 
3558 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3559 {
3560 	struct sk_buff *skb;
3561 	struct wmi_disable_11b_rates_cmd *cmd;
3562 
3563 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3564 	if (!skb)
3565 		return -ENOMEM;
3566 
3567 	ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3568 		   disable);
3569 	cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3570 	cmd->disable = disable ? 1 : 0;
3571 
3572 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3573 				   NO_SYNC_WMIFLAG);
3574 }
3575 
3576 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3577 {
3578 	struct sk_buff *skb;
3579 	struct wmi_remain_on_chnl_cmd *p;
3580 
3581 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3582 	if (!skb)
3583 		return -ENOMEM;
3584 
3585 	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3586 		   freq, dur);
3587 	p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3588 	p->freq = cpu_to_le32(freq);
3589 	p->duration = cpu_to_le32(dur);
3590 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3591 				   NO_SYNC_WMIFLAG);
3592 }
3593 
3594 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3595  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3596  * mgmt operations using station interface.
3597  */
3598 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3599 				      u32 freq, u32 wait, const u8 *data,
3600 				      u16 data_len)
3601 {
3602 	struct sk_buff *skb;
3603 	struct wmi_send_action_cmd *p;
3604 	u8 *buf;
3605 
3606 	if (wait)
3607 		return -EINVAL; /* Offload for wait not supported */
3608 
3609 	buf = kmalloc(data_len, GFP_KERNEL);
3610 	if (!buf)
3611 		return -ENOMEM;
3612 
3613 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3614 	if (!skb) {
3615 		kfree(buf);
3616 		return -ENOMEM;
3617 	}
3618 
3619 	kfree(wmi->last_mgmt_tx_frame);
3620 	memcpy(buf, data, data_len);
3621 	wmi->last_mgmt_tx_frame = buf;
3622 	wmi->last_mgmt_tx_frame_len = data_len;
3623 
3624 	ath6kl_dbg(ATH6KL_DBG_WMI,
3625 		   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3626 		   id, freq, wait, data_len);
3627 	p = (struct wmi_send_action_cmd *) skb->data;
3628 	p->id = cpu_to_le32(id);
3629 	p->freq = cpu_to_le32(freq);
3630 	p->wait = cpu_to_le32(wait);
3631 	p->len = cpu_to_le16(data_len);
3632 	memcpy(p->data, data, data_len);
3633 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3634 				   NO_SYNC_WMIFLAG);
3635 }
3636 
3637 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3638 				      u32 freq, u32 wait, const u8 *data,
3639 				      u16 data_len, u32 no_cck)
3640 {
3641 	struct sk_buff *skb;
3642 	struct wmi_send_mgmt_cmd *p;
3643 	u8 *buf;
3644 
3645 	if (wait)
3646 		return -EINVAL; /* Offload for wait not supported */
3647 
3648 	buf = kmalloc(data_len, GFP_KERNEL);
3649 	if (!buf)
3650 		return -ENOMEM;
3651 
3652 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3653 	if (!skb) {
3654 		kfree(buf);
3655 		return -ENOMEM;
3656 	}
3657 
3658 	kfree(wmi->last_mgmt_tx_frame);
3659 	memcpy(buf, data, data_len);
3660 	wmi->last_mgmt_tx_frame = buf;
3661 	wmi->last_mgmt_tx_frame_len = data_len;
3662 
3663 	ath6kl_dbg(ATH6KL_DBG_WMI,
3664 		   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3665 		   id, freq, wait, data_len);
3666 	p = (struct wmi_send_mgmt_cmd *) skb->data;
3667 	p->id = cpu_to_le32(id);
3668 	p->freq = cpu_to_le32(freq);
3669 	p->wait = cpu_to_le32(wait);
3670 	p->no_cck = cpu_to_le32(no_cck);
3671 	p->len = cpu_to_le16(data_len);
3672 	memcpy(p->data, data, data_len);
3673 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3674 				   NO_SYNC_WMIFLAG);
3675 }
3676 
3677 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3678 				u32 wait, const u8 *data, u16 data_len,
3679 				u32 no_cck)
3680 {
3681 	int status;
3682 	struct ath6kl *ar = wmi->parent_dev;
3683 
3684 	if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3685 		     ar->fw_capabilities)) {
3686 		/*
3687 		 * If capable of doing P2P mgmt operations using
3688 		 * station interface, send additional information like
3689 		 * supported rates to advertise and xmit rates for
3690 		 * probe requests
3691 		 */
3692 		status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3693 						    wait, data, data_len,
3694 						    no_cck);
3695 	} else {
3696 		status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3697 						    wait, data, data_len);
3698 	}
3699 
3700 	return status;
3701 }
3702 
3703 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3704 				       const u8 *dst, const u8 *data,
3705 				       u16 data_len)
3706 {
3707 	struct sk_buff *skb;
3708 	struct wmi_p2p_probe_response_cmd *p;
3709 	size_t cmd_len = sizeof(*p) + data_len;
3710 
3711 	if (data_len == 0)
3712 		cmd_len++; /* work around target minimum length requirement */
3713 
3714 	skb = ath6kl_wmi_get_new_buf(cmd_len);
3715 	if (!skb)
3716 		return -ENOMEM;
3717 
3718 	ath6kl_dbg(ATH6KL_DBG_WMI,
3719 		   "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3720 		   freq, dst, data_len);
3721 	p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3722 	p->freq = cpu_to_le32(freq);
3723 	memcpy(p->destination_addr, dst, ETH_ALEN);
3724 	p->len = cpu_to_le16(data_len);
3725 	memcpy(p->data, data, data_len);
3726 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3727 				   WMI_SEND_PROBE_RESPONSE_CMDID,
3728 				   NO_SYNC_WMIFLAG);
3729 }
3730 
3731 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3732 {
3733 	struct sk_buff *skb;
3734 	struct wmi_probe_req_report_cmd *p;
3735 
3736 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3737 	if (!skb)
3738 		return -ENOMEM;
3739 
3740 	ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3741 		   enable);
3742 	p = (struct wmi_probe_req_report_cmd *) skb->data;
3743 	p->enable = enable ? 1 : 0;
3744 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3745 				   NO_SYNC_WMIFLAG);
3746 }
3747 
3748 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3749 {
3750 	struct sk_buff *skb;
3751 	struct wmi_get_p2p_info *p;
3752 
3753 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3754 	if (!skb)
3755 		return -ENOMEM;
3756 
3757 	ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3758 		   info_req_flags);
3759 	p = (struct wmi_get_p2p_info *) skb->data;
3760 	p->info_req_flags = cpu_to_le32(info_req_flags);
3761 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3762 				   NO_SYNC_WMIFLAG);
3763 }
3764 
3765 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3766 {
3767 	ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3768 	return ath6kl_wmi_simple_cmd(wmi, if_idx,
3769 				     WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3770 }
3771 
3772 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3773 {
3774 	struct sk_buff *skb;
3775 	struct wmi_set_inact_period_cmd *cmd;
3776 
3777 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3778 	if (!skb)
3779 		return -ENOMEM;
3780 
3781 	cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3782 	cmd->inact_period = cpu_to_le32(inact_timeout);
3783 	cmd->num_null_func = 0;
3784 
3785 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3786 				   NO_SYNC_WMIFLAG);
3787 }
3788 
3789 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3790 					       int len)
3791 {
3792 	struct wmix_hb_challenge_resp_cmd *cmd;
3793 
3794 	if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3795 		return;
3796 
3797 	cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3798 	ath6kl_recovery_hb_event(wmi->parent_dev,
3799 				 le32_to_cpu(cmd->cookie));
3800 }
3801 
3802 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3803 {
3804 	struct wmix_cmd_hdr *cmd;
3805 	u32 len;
3806 	u16 id;
3807 	u8 *datap;
3808 	int ret = 0;
3809 
3810 	if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3811 		ath6kl_err("bad packet 1\n");
3812 		return -EINVAL;
3813 	}
3814 
3815 	cmd = (struct wmix_cmd_hdr *) skb->data;
3816 	id = le32_to_cpu(cmd->cmd_id);
3817 
3818 	skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3819 
3820 	datap = skb->data;
3821 	len = skb->len;
3822 
3823 	switch (id) {
3824 	case WMIX_HB_CHALLENGE_RESP_EVENTID:
3825 		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3826 		ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3827 		break;
3828 	case WMIX_DBGLOG_EVENTID:
3829 		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3830 		ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3831 		break;
3832 	default:
3833 		ath6kl_warn("unknown cmd id 0x%x\n", id);
3834 		ret = -EINVAL;
3835 		break;
3836 	}
3837 
3838 	return ret;
3839 }
3840 
3841 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3842 {
3843 	return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3844 }
3845 
3846 /* Process interface specific wmi events, caller would free the datap */
3847 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3848 					u8 *datap, u32 len)
3849 {
3850 	struct ath6kl_vif *vif;
3851 
3852 	vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3853 	if (!vif) {
3854 		ath6kl_dbg(ATH6KL_DBG_WMI,
3855 			   "Wmi event for unavailable vif, vif_index:%d\n",
3856 			    if_idx);
3857 		return -EINVAL;
3858 	}
3859 
3860 	switch (cmd_id) {
3861 	case WMI_CONNECT_EVENTID:
3862 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3863 		return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3864 	case WMI_DISCONNECT_EVENTID:
3865 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3866 		return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3867 	case WMI_TKIP_MICERR_EVENTID:
3868 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3869 		return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3870 	case WMI_BSSINFO_EVENTID:
3871 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3872 		return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3873 	case WMI_NEIGHBOR_REPORT_EVENTID:
3874 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3875 		return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3876 							   vif);
3877 	case WMI_SCAN_COMPLETE_EVENTID:
3878 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3879 		return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3880 	case WMI_REPORT_STATISTICS_EVENTID:
3881 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3882 		return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3883 	case WMI_CAC_EVENTID:
3884 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3885 		return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3886 	case WMI_PSPOLL_EVENTID:
3887 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3888 		return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3889 	case WMI_DTIMEXPIRY_EVENTID:
3890 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3891 		return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3892 	case WMI_ADDBA_REQ_EVENTID:
3893 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3894 		return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3895 	case WMI_DELBA_REQ_EVENTID:
3896 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3897 		return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3898 	case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3899 		ath6kl_dbg(ATH6KL_DBG_WMI,
3900 			   "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3901 		return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3902 	case WMI_REMAIN_ON_CHNL_EVENTID:
3903 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3904 		return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3905 	case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3906 		ath6kl_dbg(ATH6KL_DBG_WMI,
3907 			   "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3908 		return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3909 								 len, vif);
3910 	case WMI_TX_STATUS_EVENTID:
3911 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3912 		return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3913 	case WMI_RX_PROBE_REQ_EVENTID:
3914 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3915 		return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3916 	case WMI_RX_ACTION_EVENTID:
3917 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3918 		return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3919 	case WMI_TXE_NOTIFY_EVENTID:
3920 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3921 		return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3922 	default:
3923 		ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3924 		return -EINVAL;
3925 	}
3926 
3927 	return 0;
3928 }
3929 
3930 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3931 {
3932 	struct wmi_cmd_hdr *cmd;
3933 	int ret = 0;
3934 	u32 len;
3935 	u16 id;
3936 	u8 if_idx;
3937 	u8 *datap;
3938 
3939 	cmd = (struct wmi_cmd_hdr *) skb->data;
3940 	id = le16_to_cpu(cmd->cmd_id);
3941 	if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3942 
3943 	skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3944 	datap = skb->data;
3945 	len = skb->len;
3946 
3947 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3948 	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3949 			datap, len);
3950 
3951 	switch (id) {
3952 	case WMI_GET_BITRATE_CMDID:
3953 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3954 		ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3955 		break;
3956 	case WMI_GET_CHANNEL_LIST_CMDID:
3957 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3958 		ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3959 		break;
3960 	case WMI_GET_TX_PWR_CMDID:
3961 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3962 		ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3963 		break;
3964 	case WMI_READY_EVENTID:
3965 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3966 		ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3967 		break;
3968 	case WMI_PEER_NODE_EVENTID:
3969 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3970 		ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3971 		break;
3972 	case WMI_REGDOMAIN_EVENTID:
3973 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3974 		ath6kl_wmi_regdomain_event(wmi, datap, len);
3975 		break;
3976 	case WMI_PSTREAM_TIMEOUT_EVENTID:
3977 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3978 		ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3979 		break;
3980 	case WMI_CMDERROR_EVENTID:
3981 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3982 		ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3983 		break;
3984 	case WMI_RSSI_THRESHOLD_EVENTID:
3985 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3986 		ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3987 		break;
3988 	case WMI_ERROR_REPORT_EVENTID:
3989 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3990 		break;
3991 	case WMI_OPT_RX_FRAME_EVENTID:
3992 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3993 		/* this event has been deprecated */
3994 		break;
3995 	case WMI_REPORT_ROAM_TBL_EVENTID:
3996 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3997 		ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3998 		break;
3999 	case WMI_EXTENSION_EVENTID:
4000 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4001 		ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4002 		break;
4003 	case WMI_CHANNEL_CHANGE_EVENTID:
4004 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4005 		break;
4006 	case WMI_REPORT_ROAM_DATA_EVENTID:
4007 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4008 		break;
4009 	case WMI_TEST_EVENTID:
4010 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4011 		ret = ath6kl_wmi_test_rx(wmi, datap, len);
4012 		break;
4013 	case WMI_GET_FIXRATES_CMDID:
4014 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4015 		ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4016 		break;
4017 	case WMI_TX_RETRY_ERR_EVENTID:
4018 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4019 		break;
4020 	case WMI_SNR_THRESHOLD_EVENTID:
4021 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4022 		ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4023 		break;
4024 	case WMI_LQ_THRESHOLD_EVENTID:
4025 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4026 		break;
4027 	case WMI_APLIST_EVENTID:
4028 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4029 		ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4030 		break;
4031 	case WMI_GET_KEEPALIVE_CMDID:
4032 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4033 		ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4034 		break;
4035 	case WMI_GET_WOW_LIST_EVENTID:
4036 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4037 		break;
4038 	case WMI_GET_PMKID_LIST_EVENTID:
4039 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4040 		ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4041 		break;
4042 	case WMI_SET_PARAMS_REPLY_EVENTID:
4043 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4044 		break;
4045 	case WMI_ADDBA_RESP_EVENTID:
4046 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4047 		break;
4048 	case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4049 		ath6kl_dbg(ATH6KL_DBG_WMI,
4050 			   "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4051 		break;
4052 	case WMI_REPORT_BTCOEX_STATS_EVENTID:
4053 		ath6kl_dbg(ATH6KL_DBG_WMI,
4054 			   "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4055 		break;
4056 	case WMI_TX_COMPLETE_EVENTID:
4057 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4058 		ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4059 		break;
4060 	case WMI_P2P_CAPABILITIES_EVENTID:
4061 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4062 		ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4063 		break;
4064 	case WMI_P2P_INFO_EVENTID:
4065 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4066 		ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4067 		break;
4068 	default:
4069 		/* may be the event is interface specific */
4070 		ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4071 		break;
4072 	}
4073 
4074 	dev_kfree_skb(skb);
4075 	return ret;
4076 }
4077 
4078 /* Control Path */
4079 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4080 {
4081 	if (WARN_ON(skb == NULL))
4082 		return -EINVAL;
4083 
4084 	if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4085 		ath6kl_err("bad packet 1\n");
4086 		dev_kfree_skb(skb);
4087 		return -EINVAL;
4088 	}
4089 
4090 	return ath6kl_wmi_proc_events(wmi, skb);
4091 }
4092 
4093 void ath6kl_wmi_reset(struct wmi *wmi)
4094 {
4095 	spin_lock_bh(&wmi->lock);
4096 
4097 	wmi->fat_pipe_exist = 0;
4098 	memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4099 
4100 	spin_unlock_bh(&wmi->lock);
4101 }
4102 
4103 void *ath6kl_wmi_init(struct ath6kl *dev)
4104 {
4105 	struct wmi *wmi;
4106 
4107 	wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4108 	if (!wmi)
4109 		return NULL;
4110 
4111 	spin_lock_init(&wmi->lock);
4112 
4113 	wmi->parent_dev = dev;
4114 
4115 	wmi->pwr_mode = REC_POWER;
4116 
4117 	ath6kl_wmi_reset(wmi);
4118 
4119 	return wmi;
4120 }
4121 
4122 void ath6kl_wmi_shutdown(struct wmi *wmi)
4123 {
4124 	if (!wmi)
4125 		return;
4126 
4127 	kfree(wmi->last_mgmt_tx_frame);
4128 	kfree(wmi);
4129 }
4130