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 "trace.h"
24#include "../regd.h"
25#include "../regd_common.h"
26
27static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
28
29static const s32 wmi_rate_tbl[][2] = {
30	/* {W/O SGI, with SGI} */
31	{1000, 1000},
32	{2000, 2000},
33	{5500, 5500},
34	{11000, 11000},
35	{6000, 6000},
36	{9000, 9000},
37	{12000, 12000},
38	{18000, 18000},
39	{24000, 24000},
40	{36000, 36000},
41	{48000, 48000},
42	{54000, 54000},
43	{6500, 7200},
44	{13000, 14400},
45	{19500, 21700},
46	{26000, 28900},
47	{39000, 43300},
48	{52000, 57800},
49	{58500, 65000},
50	{65000, 72200},
51	{13500, 15000},
52	{27000, 30000},
53	{40500, 45000},
54	{54000, 60000},
55	{81000, 90000},
56	{108000, 120000},
57	{121500, 135000},
58	{135000, 150000},
59	{0, 0}
60};
61
62static const s32 wmi_rate_tbl_mcs15[][2] = {
63	/* {W/O SGI, with SGI} */
64	{1000, 1000},
65	{2000, 2000},
66	{5500, 5500},
67	{11000, 11000},
68	{6000, 6000},
69	{9000, 9000},
70	{12000, 12000},
71	{18000, 18000},
72	{24000, 24000},
73	{36000, 36000},
74	{48000, 48000},
75	{54000, 54000},
76	{6500, 7200},     /* HT 20, MCS 0 */
77	{13000, 14400},
78	{19500, 21700},
79	{26000, 28900},
80	{39000, 43300},
81	{52000, 57800},
82	{58500, 65000},
83	{65000, 72200},
84	{13000, 14400},   /* HT 20, MCS 8 */
85	{26000, 28900},
86	{39000, 43300},
87	{52000, 57800},
88	{78000, 86700},
89	{104000, 115600},
90	{117000, 130000},
91	{130000, 144400}, /* HT 20, MCS 15 */
92	{13500, 15000},   /*HT 40, MCS 0 */
93	{27000, 30000},
94	{40500, 45000},
95	{54000, 60000},
96	{81000, 90000},
97	{108000, 120000},
98	{121500, 135000},
99	{135000, 150000},
100	{27000, 30000},   /*HT 40, MCS 8 */
101	{54000, 60000},
102	{81000, 90000},
103	{108000, 120000},
104	{162000, 180000},
105	{216000, 240000},
106	{243000, 270000},
107	{270000, 300000}, /*HT 40, MCS 15 */
108	{0, 0}
109};
110
111/* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
112static const u8 up_to_ac[] = {
113	WMM_AC_BE,
114	WMM_AC_BK,
115	WMM_AC_BK,
116	WMM_AC_BE,
117	WMM_AC_VI,
118	WMM_AC_VI,
119	WMM_AC_VO,
120	WMM_AC_VO,
121};
122
123void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
124{
125	if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
126		return;
127
128	wmi->ep_id = ep_id;
129}
130
131enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
132{
133	return wmi->ep_id;
134}
135
136struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
137{
138	struct ath6kl_vif *vif, *found = NULL;
139
140	if (WARN_ON(if_idx > (ar->vif_max - 1)))
141		return NULL;
142
143	/* FIXME: Locking */
144	spin_lock_bh(&ar->list_lock);
145	list_for_each_entry(vif, &ar->vif_list, list) {
146		if (vif->fw_vif_idx == if_idx) {
147			found = vif;
148			break;
149		}
150	}
151	spin_unlock_bh(&ar->list_lock);
152
153	return found;
154}
155
156/*  Performs DIX to 802.3 encapsulation for transmit packets.
157 *  Assumes the entire DIX header is contigous and that there is
158 *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
159 */
160int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
161{
162	struct ath6kl_llc_snap_hdr *llc_hdr;
163	struct ethhdr *eth_hdr;
164	size_t new_len;
165	__be16 type;
166	u8 *datap;
167	u16 size;
168
169	if (WARN_ON(skb == NULL))
170		return -EINVAL;
171
172	size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
173	if (skb_headroom(skb) < size)
174		return -ENOMEM;
175
176	eth_hdr = (struct ethhdr *) skb->data;
177	type = eth_hdr->h_proto;
178
179	if (!is_ethertype(be16_to_cpu(type))) {
180		ath6kl_dbg(ATH6KL_DBG_WMI,
181			   "%s: pkt is already in 802.3 format\n", __func__);
182		return 0;
183	}
184
185	new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
186
187	skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
188	datap = skb->data;
189
190	eth_hdr->h_proto = cpu_to_be16(new_len);
191
192	memcpy(datap, eth_hdr, sizeof(*eth_hdr));
193
194	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
195	llc_hdr->dsap = 0xAA;
196	llc_hdr->ssap = 0xAA;
197	llc_hdr->cntl = 0x03;
198	llc_hdr->org_code[0] = 0x0;
199	llc_hdr->org_code[1] = 0x0;
200	llc_hdr->org_code[2] = 0x0;
201	llc_hdr->eth_type = type;
202
203	return 0;
204}
205
206static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
207			       u8 *version, void *tx_meta_info)
208{
209	struct wmi_tx_meta_v1 *v1;
210	struct wmi_tx_meta_v2 *v2;
211
212	if (WARN_ON(skb == NULL || version == NULL))
213		return -EINVAL;
214
215	switch (*version) {
216	case WMI_META_VERSION_1:
217		skb_push(skb, WMI_MAX_TX_META_SZ);
218		v1 = (struct wmi_tx_meta_v1 *) skb->data;
219		v1->pkt_id = 0;
220		v1->rate_plcy_id = 0;
221		*version = WMI_META_VERSION_1;
222		break;
223	case WMI_META_VERSION_2:
224		skb_push(skb, WMI_MAX_TX_META_SZ);
225		v2 = (struct wmi_tx_meta_v2 *) skb->data;
226		memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
227		       sizeof(struct wmi_tx_meta_v2));
228		break;
229	}
230
231	return 0;
232}
233
234int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
235			    u8 msg_type, u32 flags,
236			    enum wmi_data_hdr_data_type data_type,
237			    u8 meta_ver, void *tx_meta_info, u8 if_idx)
238{
239	struct wmi_data_hdr *data_hdr;
240	int ret;
241
242	if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
243		return -EINVAL;
244
245	if (tx_meta_info) {
246		ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
247		if (ret)
248			return ret;
249	}
250
251	skb_push(skb, sizeof(struct wmi_data_hdr));
252
253	data_hdr = (struct wmi_data_hdr *)skb->data;
254	memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
255
256	data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
257	data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
258
259	if (flags & WMI_DATA_HDR_FLAGS_MORE)
260		data_hdr->info |= WMI_DATA_HDR_MORE;
261
262	if (flags & WMI_DATA_HDR_FLAGS_EOSP)
263		data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
264
265	data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
266	data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
267
268	return 0;
269}
270
271u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
272{
273	struct iphdr *ip_hdr = (struct iphdr *) pkt;
274	u8 ip_pri;
275
276	/*
277	 * Determine IPTOS priority
278	 *
279	 * IP-TOS - 8bits
280	 *          : DSCP(6-bits) ECN(2-bits)
281	 *          : DSCP - P2 P1 P0 X X X
282	 * where (P2 P1 P0) form 802.1D
283	 */
284	ip_pri = ip_hdr->tos >> 5;
285	ip_pri &= 0x7;
286
287	if ((layer2_pri & 0x7) > ip_pri)
288		return (u8) layer2_pri & 0x7;
289	else
290		return ip_pri;
291}
292
293u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
294{
295	return  up_to_ac[user_priority & 0x7];
296}
297
298int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
299				       struct sk_buff *skb,
300				       u32 layer2_priority, bool wmm_enabled,
301				       u8 *ac)
302{
303	struct wmi_data_hdr *data_hdr;
304	struct ath6kl_llc_snap_hdr *llc_hdr;
305	struct wmi_create_pstream_cmd cmd;
306	u32 meta_size, hdr_size;
307	u16 ip_type = IP_ETHERTYPE;
308	u8 stream_exist, usr_pri;
309	u8 traffic_class = WMM_AC_BE;
310	u8 *datap;
311
312	if (WARN_ON(skb == NULL))
313		return -EINVAL;
314
315	datap = skb->data;
316	data_hdr = (struct wmi_data_hdr *) datap;
317
318	meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
319		     WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
320
321	if (!wmm_enabled) {
322		/* If WMM is disabled all traffic goes as BE traffic */
323		usr_pri = 0;
324	} else {
325		hdr_size = sizeof(struct ethhdr);
326
327		llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
328							 sizeof(struct
329								wmi_data_hdr) +
330							 meta_size + hdr_size);
331
332		if (llc_hdr->eth_type == htons(ip_type)) {
333			/*
334			 * Extract the endpoint info from the TOS field
335			 * in the IP header.
336			 */
337			usr_pri =
338			   ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
339					sizeof(struct ath6kl_llc_snap_hdr),
340					layer2_priority);
341		} else {
342			usr_pri = layer2_priority & 0x7;
343		}
344
345		/*
346		 * Queue the EAPOL frames in the same WMM_AC_VO queue
347		 * as that of management frames.
348		 */
349		if (skb->protocol == cpu_to_be16(ETH_P_PAE))
350			usr_pri = WMI_VOICE_USER_PRIORITY;
351	}
352
353	/*
354	 * workaround for WMM S5
355	 *
356	 * FIXME: wmi->traffic_class is always 100 so this test doesn't
357	 * make sense
358	 */
359	if ((wmi->traffic_class == WMM_AC_VI) &&
360	    ((usr_pri == 5) || (usr_pri == 4)))
361		usr_pri = 1;
362
363	/* Convert user priority to traffic class */
364	traffic_class = up_to_ac[usr_pri & 0x7];
365
366	wmi_data_hdr_set_up(data_hdr, usr_pri);
367
368	spin_lock_bh(&wmi->lock);
369	stream_exist = wmi->fat_pipe_exist;
370	spin_unlock_bh(&wmi->lock);
371
372	if (!(stream_exist & (1 << traffic_class))) {
373		memset(&cmd, 0, sizeof(cmd));
374		cmd.traffic_class = traffic_class;
375		cmd.user_pri = usr_pri;
376		cmd.inactivity_int =
377			cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
378		/* Implicit streams are created with TSID 0xFF */
379		cmd.tsid = WMI_IMPLICIT_PSTREAM;
380		ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
381	}
382
383	*ac = traffic_class;
384
385	return 0;
386}
387
388int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
389{
390	struct ieee80211_hdr_3addr *pwh, wh;
391	struct ath6kl_llc_snap_hdr *llc_hdr;
392	struct ethhdr eth_hdr;
393	u32 hdr_size;
394	u8 *datap;
395	__le16 sub_type;
396
397	if (WARN_ON(skb == NULL))
398		return -EINVAL;
399
400	datap = skb->data;
401	pwh = (struct ieee80211_hdr_3addr *) datap;
402
403	sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
404
405	memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
406
407	/* Strip off the 802.11 header */
408	if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
409		hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
410				   sizeof(u32));
411		skb_pull(skb, hdr_size);
412	} else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) {
413		skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
414	}
415
416	datap = skb->data;
417	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
418
419	memset(&eth_hdr, 0, sizeof(eth_hdr));
420	eth_hdr.h_proto = llc_hdr->eth_type;
421
422	switch ((le16_to_cpu(wh.frame_control)) &
423		(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
424	case 0:
425		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
426		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
427		break;
428	case IEEE80211_FCTL_TODS:
429		memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
430		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
431		break;
432	case IEEE80211_FCTL_FROMDS:
433		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
434		memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
435		break;
436	case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
437		break;
438	}
439
440	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
441	skb_push(skb, sizeof(eth_hdr));
442
443	datap = skb->data;
444
445	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
446
447	return 0;
448}
449
450/*
451 * Performs 802.3 to DIX encapsulation for received packets.
452 * Assumes the entire 802.3 header is contigous.
453 */
454int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
455{
456	struct ath6kl_llc_snap_hdr *llc_hdr;
457	struct ethhdr eth_hdr;
458	u8 *datap;
459
460	if (WARN_ON(skb == NULL))
461		return -EINVAL;
462
463	datap = skb->data;
464
465	memcpy(&eth_hdr, datap, sizeof(eth_hdr));
466
467	llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
468	eth_hdr.h_proto = llc_hdr->eth_type;
469
470	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
471	datap = skb->data;
472
473	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
474
475	return 0;
476}
477
478static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
479{
480	struct tx_complete_msg_v1 *msg_v1;
481	struct wmi_tx_complete_event *evt;
482	int index;
483	u16 size;
484
485	evt = (struct wmi_tx_complete_event *) datap;
486
487	ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
488		   evt->num_msg, evt->msg_len, evt->msg_type);
489
490	for (index = 0; index < evt->num_msg; index++) {
491		size = sizeof(struct wmi_tx_complete_event) +
492		    (index * sizeof(struct tx_complete_msg_v1));
493		msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
494
495		ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
496			   msg_v1->status, msg_v1->pkt_id,
497			   msg_v1->rate_idx, msg_v1->ack_failures);
498	}
499
500	return 0;
501}
502
503static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
504					      int len, struct ath6kl_vif *vif)
505{
506	struct wmi_remain_on_chnl_event *ev;
507	u32 freq;
508	u32 dur;
509	struct ieee80211_channel *chan;
510	struct ath6kl *ar = wmi->parent_dev;
511	u32 id;
512
513	if (len < sizeof(*ev))
514		return -EINVAL;
515
516	ev = (struct wmi_remain_on_chnl_event *) datap;
517	freq = le32_to_cpu(ev->freq);
518	dur = le32_to_cpu(ev->duration);
519	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
520		   freq, dur);
521	chan = ieee80211_get_channel(ar->wiphy, freq);
522	if (!chan) {
523		ath6kl_dbg(ATH6KL_DBG_WMI,
524			   "remain_on_chnl: Unknown channel (freq=%u)\n",
525			   freq);
526		return -EINVAL;
527	}
528	id = vif->last_roc_id;
529	cfg80211_ready_on_channel(&vif->wdev, id, chan,
530				  dur, GFP_ATOMIC);
531
532	return 0;
533}
534
535static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
536						     u8 *datap, int len,
537						     struct ath6kl_vif *vif)
538{
539	struct wmi_cancel_remain_on_chnl_event *ev;
540	u32 freq;
541	u32 dur;
542	struct ieee80211_channel *chan;
543	struct ath6kl *ar = wmi->parent_dev;
544	u32 id;
545
546	if (len < sizeof(*ev))
547		return -EINVAL;
548
549	ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
550	freq = le32_to_cpu(ev->freq);
551	dur = le32_to_cpu(ev->duration);
552	ath6kl_dbg(ATH6KL_DBG_WMI,
553		   "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
554		   freq, dur, ev->status);
555	chan = ieee80211_get_channel(ar->wiphy, freq);
556	if (!chan) {
557		ath6kl_dbg(ATH6KL_DBG_WMI,
558			   "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
559			   freq);
560		return -EINVAL;
561	}
562	if (vif->last_cancel_roc_id &&
563	    vif->last_cancel_roc_id + 1 == vif->last_roc_id)
564		id = vif->last_cancel_roc_id; /* event for cancel command */
565	else
566		id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
567	vif->last_cancel_roc_id = 0;
568	cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
569
570	return 0;
571}
572
573static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
574					 struct ath6kl_vif *vif)
575{
576	struct wmi_tx_status_event *ev;
577	u32 id;
578
579	if (len < sizeof(*ev))
580		return -EINVAL;
581
582	ev = (struct wmi_tx_status_event *) datap;
583	id = le32_to_cpu(ev->id);
584	ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
585		   id, ev->ack_status);
586	if (wmi->last_mgmt_tx_frame) {
587		cfg80211_mgmt_tx_status(&vif->wdev, id,
588					wmi->last_mgmt_tx_frame,
589					wmi->last_mgmt_tx_frame_len,
590					!!ev->ack_status, GFP_ATOMIC);
591		kfree(wmi->last_mgmt_tx_frame);
592		wmi->last_mgmt_tx_frame = NULL;
593		wmi->last_mgmt_tx_frame_len = 0;
594	}
595
596	return 0;
597}
598
599static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
600					    struct ath6kl_vif *vif)
601{
602	struct wmi_p2p_rx_probe_req_event *ev;
603	u32 freq;
604	u16 dlen;
605
606	if (len < sizeof(*ev))
607		return -EINVAL;
608
609	ev = (struct wmi_p2p_rx_probe_req_event *) datap;
610	freq = le32_to_cpu(ev->freq);
611	dlen = le16_to_cpu(ev->len);
612	if (datap + len < ev->data + dlen) {
613		ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
614			   len, dlen);
615		return -EINVAL;
616	}
617	ath6kl_dbg(ATH6KL_DBG_WMI,
618		   "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
619		   dlen, freq, vif->probe_req_report);
620
621	if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
622		cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
623
624	return 0;
625}
626
627static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
628{
629	struct wmi_p2p_capabilities_event *ev;
630	u16 dlen;
631
632	if (len < sizeof(*ev))
633		return -EINVAL;
634
635	ev = (struct wmi_p2p_capabilities_event *) datap;
636	dlen = le16_to_cpu(ev->len);
637	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
638
639	return 0;
640}
641
642static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
643					 struct ath6kl_vif *vif)
644{
645	struct wmi_rx_action_event *ev;
646	u32 freq;
647	u16 dlen;
648
649	if (len < sizeof(*ev))
650		return -EINVAL;
651
652	ev = (struct wmi_rx_action_event *) datap;
653	freq = le32_to_cpu(ev->freq);
654	dlen = le16_to_cpu(ev->len);
655	if (datap + len < ev->data + dlen) {
656		ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
657			   len, dlen);
658		return -EINVAL;
659	}
660	ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
661	cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
662
663	return 0;
664}
665
666static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
667{
668	struct wmi_p2p_info_event *ev;
669	u32 flags;
670	u16 dlen;
671
672	if (len < sizeof(*ev))
673		return -EINVAL;
674
675	ev = (struct wmi_p2p_info_event *) datap;
676	flags = le32_to_cpu(ev->info_req_flags);
677	dlen = le16_to_cpu(ev->len);
678	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
679
680	if (flags & P2P_FLAG_CAPABILITIES_REQ) {
681		struct wmi_p2p_capabilities *cap;
682		if (dlen < sizeof(*cap))
683			return -EINVAL;
684		cap = (struct wmi_p2p_capabilities *) ev->data;
685		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
686			   cap->go_power_save);
687	}
688
689	if (flags & P2P_FLAG_MACADDR_REQ) {
690		struct wmi_p2p_macaddr *mac;
691		if (dlen < sizeof(*mac))
692			return -EINVAL;
693		mac = (struct wmi_p2p_macaddr *) ev->data;
694		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
695			   mac->mac_addr);
696	}
697
698	if (flags & P2P_FLAG_HMODEL_REQ) {
699		struct wmi_p2p_hmodel *mod;
700		if (dlen < sizeof(*mod))
701			return -EINVAL;
702		mod = (struct wmi_p2p_hmodel *) ev->data;
703		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
704			   mod->p2p_model,
705			   mod->p2p_model ? "host" : "firmware");
706	}
707	return 0;
708}
709
710static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
711{
712	struct sk_buff *skb;
713
714	skb = ath6kl_buf_alloc(size);
715	if (!skb)
716		return NULL;
717
718	skb_put(skb, size);
719	if (size)
720		memset(skb->data, 0, size);
721
722	return skb;
723}
724
725/* Send a "simple" wmi command -- one with no arguments */
726static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
727				 enum wmi_cmd_id cmd_id)
728{
729	struct sk_buff *skb;
730	int ret;
731
732	skb = ath6kl_wmi_get_new_buf(0);
733	if (!skb)
734		return -ENOMEM;
735
736	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
737
738	return ret;
739}
740
741static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
742{
743	struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
744
745	if (len < sizeof(struct wmi_ready_event_2))
746		return -EINVAL;
747
748	ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
749			   le32_to_cpu(ev->sw_version),
750			   le32_to_cpu(ev->abi_version), ev->phy_cap);
751
752	return 0;
753}
754
755/*
756 * Mechanism to modify the roaming behavior in the firmware. The lower rssi
757 * at which the station has to roam can be passed with
758 * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
759 * in dBm.
760 */
761int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
762{
763	struct sk_buff *skb;
764	struct roam_ctrl_cmd *cmd;
765
766	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
767	if (!skb)
768		return -ENOMEM;
769
770	cmd = (struct roam_ctrl_cmd *) skb->data;
771
772	cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
773	cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
774						       DEF_SCAN_FOR_ROAM_INTVL);
775	cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
776	cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
777	cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
778
779	ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
780			    NO_SYNC_WMIFLAG);
781
782	return 0;
783}
784
785int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
786{
787	struct sk_buff *skb;
788	struct roam_ctrl_cmd *cmd;
789
790	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
791	if (!skb)
792		return -ENOMEM;
793
794	cmd = (struct roam_ctrl_cmd *) skb->data;
795
796	memcpy(cmd->info.bssid, bssid, ETH_ALEN);
797	cmd->roam_ctrl = WMI_FORCE_ROAM;
798
799	ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
800	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
801				   NO_SYNC_WMIFLAG);
802}
803
804int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
805				       u32 beacon_intvl)
806{
807	struct sk_buff *skb;
808	struct set_beacon_int_cmd *cmd;
809
810	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
811	if (!skb)
812		return -ENOMEM;
813
814	cmd = (struct set_beacon_int_cmd *) skb->data;
815
816	cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
817	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
818				   WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
819}
820
821int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
822{
823	struct sk_buff *skb;
824	struct set_dtim_cmd *cmd;
825
826	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
827	if (!skb)
828		return -ENOMEM;
829
830	cmd = (struct set_dtim_cmd *) skb->data;
831
832	cmd->dtim_period = cpu_to_le32(dtim_period);
833	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
834				   WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
835}
836
837int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
838{
839	struct sk_buff *skb;
840	struct roam_ctrl_cmd *cmd;
841
842	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
843	if (!skb)
844		return -ENOMEM;
845
846	cmd = (struct roam_ctrl_cmd *) skb->data;
847
848	cmd->info.roam_mode = mode;
849	cmd->roam_ctrl = WMI_SET_ROAM_MODE;
850
851	ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
852	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
853				   NO_SYNC_WMIFLAG);
854}
855
856static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
857				       struct ath6kl_vif *vif)
858{
859	struct wmi_connect_event *ev;
860	u8 *pie, *peie;
861
862	if (len < sizeof(struct wmi_connect_event))
863		return -EINVAL;
864
865	ev = (struct wmi_connect_event *) datap;
866
867	if (vif->nw_type == AP_NETWORK) {
868		/* AP mode start/STA connected event */
869		struct net_device *dev = vif->ndev;
870		if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
871			ath6kl_dbg(ATH6KL_DBG_WMI,
872				   "%s: freq %d bssid %pM (AP started)\n",
873				   __func__, le16_to_cpu(ev->u.ap_bss.ch),
874				   ev->u.ap_bss.bssid);
875			ath6kl_connect_ap_mode_bss(
876				vif, le16_to_cpu(ev->u.ap_bss.ch));
877		} else {
878			ath6kl_dbg(ATH6KL_DBG_WMI,
879				   "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
880				   __func__, ev->u.ap_sta.aid,
881				   ev->u.ap_sta.mac_addr,
882				   ev->u.ap_sta.auth,
883				   ev->u.ap_sta.keymgmt,
884				   le16_to_cpu(ev->u.ap_sta.cipher),
885				   ev->u.ap_sta.apsd_info);
886
887			ath6kl_connect_ap_mode_sta(
888				vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
889				ev->u.ap_sta.keymgmt,
890				le16_to_cpu(ev->u.ap_sta.cipher),
891				ev->u.ap_sta.auth, ev->assoc_req_len,
892				ev->assoc_info + ev->beacon_ie_len,
893				ev->u.ap_sta.apsd_info);
894		}
895		return 0;
896	}
897
898	/* STA/IBSS mode connection event */
899
900	ath6kl_dbg(ATH6KL_DBG_WMI,
901		   "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
902		   le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
903		   le16_to_cpu(ev->u.sta.listen_intvl),
904		   le16_to_cpu(ev->u.sta.beacon_intvl),
905		   le32_to_cpu(ev->u.sta.nw_type));
906
907	/* Start of assoc rsp IEs */
908	pie = ev->assoc_info + ev->beacon_ie_len +
909	      ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
910
911	/* End of assoc rsp IEs */
912	peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
913	    ev->assoc_resp_len;
914
915	while (pie < peie) {
916		switch (*pie) {
917		case WLAN_EID_VENDOR_SPECIFIC:
918			if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
919			    pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
920				/* WMM OUT (00:50:F2) */
921				if (pie[1] > 5 &&
922				    pie[6] == WMM_PARAM_OUI_SUBTYPE)
923					wmi->is_wmm_enabled = true;
924			}
925			break;
926		}
927
928		if (wmi->is_wmm_enabled)
929			break;
930
931		pie += pie[1] + 2;
932	}
933
934	ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
935			     ev->u.sta.bssid,
936			     le16_to_cpu(ev->u.sta.listen_intvl),
937			     le16_to_cpu(ev->u.sta.beacon_intvl),
938			     le32_to_cpu(ev->u.sta.nw_type),
939			     ev->beacon_ie_len, ev->assoc_req_len,
940			     ev->assoc_resp_len, ev->assoc_info);
941
942	return 0;
943}
944
945static struct country_code_to_enum_rd *
946ath6kl_regd_find_country(u16 countryCode)
947{
948	int i;
949
950	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
951		if (allCountries[i].countryCode == countryCode)
952			return &allCountries[i];
953	}
954
955	return NULL;
956}
957
958static struct reg_dmn_pair_mapping *
959ath6kl_get_regpair(u16 regdmn)
960{
961	int i;
962
963	if (regdmn == NO_ENUMRD)
964		return NULL;
965
966	for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
967		if (regDomainPairs[i].reg_domain == regdmn)
968			return &regDomainPairs[i];
969	}
970
971	return NULL;
972}
973
974static struct country_code_to_enum_rd *
975ath6kl_regd_find_country_by_rd(u16 regdmn)
976{
977	int i;
978
979	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
980		if (allCountries[i].regDmnEnum == regdmn)
981			return &allCountries[i];
982	}
983
984	return NULL;
985}
986
987static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
988{
989	struct ath6kl_wmi_regdomain *ev;
990	struct country_code_to_enum_rd *country = NULL;
991	struct reg_dmn_pair_mapping *regpair = NULL;
992	char alpha2[2];
993	u32 reg_code;
994
995	ev = (struct ath6kl_wmi_regdomain *) datap;
996	reg_code = le32_to_cpu(ev->reg_code);
997
998	if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) {
999		country = ath6kl_regd_find_country((u16) reg_code);
1000	} else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
1001		regpair = ath6kl_get_regpair((u16) reg_code);
1002		country = ath6kl_regd_find_country_by_rd((u16) reg_code);
1003		if (regpair)
1004			ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
1005				   regpair->reg_domain);
1006		else
1007			ath6kl_warn("Regpair not found reg_code 0x%0x\n",
1008				    reg_code);
1009	}
1010
1011	if (country && wmi->parent_dev->wiphy_registered) {
1012		alpha2[0] = country->isoName[0];
1013		alpha2[1] = country->isoName[1];
1014
1015		regulatory_hint(wmi->parent_dev->wiphy, alpha2);
1016
1017		ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
1018			   alpha2[0], alpha2[1]);
1019	}
1020}
1021
1022static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
1023					  struct ath6kl_vif *vif)
1024{
1025	struct wmi_disconnect_event *ev;
1026	wmi->traffic_class = 100;
1027
1028	if (len < sizeof(struct wmi_disconnect_event))
1029		return -EINVAL;
1030
1031	ev = (struct wmi_disconnect_event *) datap;
1032
1033	ath6kl_dbg(ATH6KL_DBG_WMI,
1034		   "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
1035		   le16_to_cpu(ev->proto_reason_status), ev->bssid,
1036		   ev->disconn_reason, ev->assoc_resp_len);
1037
1038	wmi->is_wmm_enabled = false;
1039
1040	ath6kl_disconnect_event(vif, ev->disconn_reason,
1041				ev->bssid, ev->assoc_resp_len, ev->assoc_info,
1042				le16_to_cpu(ev->proto_reason_status));
1043
1044	return 0;
1045}
1046
1047static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1048{
1049	struct wmi_peer_node_event *ev;
1050
1051	if (len < sizeof(struct wmi_peer_node_event))
1052		return -EINVAL;
1053
1054	ev = (struct wmi_peer_node_event *) datap;
1055
1056	if (ev->event_code == PEER_NODE_JOIN_EVENT)
1057		ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1058			   ev->peer_mac_addr);
1059	else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1060		ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1061			   ev->peer_mac_addr);
1062
1063	return 0;
1064}
1065
1066static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1067					   struct ath6kl_vif *vif)
1068{
1069	struct wmi_tkip_micerr_event *ev;
1070
1071	if (len < sizeof(struct wmi_tkip_micerr_event))
1072		return -EINVAL;
1073
1074	ev = (struct wmi_tkip_micerr_event *) datap;
1075
1076	ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1077
1078	return 0;
1079}
1080
1081void ath6kl_wmi_sscan_timer(unsigned long ptr)
1082{
1083	struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
1084
1085	cfg80211_sched_scan_results(vif->ar->wiphy);
1086}
1087
1088static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1089				       struct ath6kl_vif *vif)
1090{
1091	struct wmi_bss_info_hdr2 *bih;
1092	u8 *buf;
1093	struct ieee80211_channel *channel;
1094	struct ath6kl *ar = wmi->parent_dev;
1095	struct cfg80211_bss *bss;
1096
1097	if (len <= sizeof(struct wmi_bss_info_hdr2))
1098		return -EINVAL;
1099
1100	bih = (struct wmi_bss_info_hdr2 *) datap;
1101	buf = datap + sizeof(struct wmi_bss_info_hdr2);
1102	len -= sizeof(struct wmi_bss_info_hdr2);
1103
1104	ath6kl_dbg(ATH6KL_DBG_WMI,
1105		   "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1106		   "frame_type=%d\n",
1107		   bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1108		   bih->frame_type);
1109
1110	if (bih->frame_type != BEACON_FTYPE &&
1111	    bih->frame_type != PROBERESP_FTYPE)
1112		return 0; /* Only update BSS table for now */
1113
1114	if (bih->frame_type == BEACON_FTYPE &&
1115	    test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1116		clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1117		ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1118					 NONE_BSS_FILTER, 0);
1119	}
1120
1121	channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1122	if (channel == NULL)
1123		return -EINVAL;
1124
1125	if (len < 8 + 2 + 2)
1126		return -EINVAL;
1127
1128	if (bih->frame_type == BEACON_FTYPE &&
1129	    test_bit(CONNECTED, &vif->flags) &&
1130	    memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1131		const u8 *tim;
1132		tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1133				       len - 8 - 2 - 2);
1134		if (tim && tim[1] >= 2) {
1135			vif->assoc_bss_dtim_period = tim[3];
1136			set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1137		}
1138	}
1139
1140	bss = cfg80211_inform_bss(ar->wiphy, channel,
1141				  bih->frame_type == BEACON_FTYPE ?
1142					CFG80211_BSS_FTYPE_BEACON :
1143					CFG80211_BSS_FTYPE_PRESP,
1144				  bih->bssid, get_unaligned_le64((__le64 *)buf),
1145				  get_unaligned_le16(((__le16 *)buf) + 5),
1146				  get_unaligned_le16(((__le16 *)buf) + 4),
1147				  buf + 8 + 2 + 2, len - 8 - 2 - 2,
1148				  (bih->snr - 95) * 100, GFP_ATOMIC);
1149	if (bss == NULL)
1150		return -ENOMEM;
1151	cfg80211_put_bss(ar->wiphy, bss);
1152
1153	/*
1154	 * Firmware doesn't return any event when scheduled scan has
1155	 * finished, so we need to use a timer to find out when there are
1156	 * no more results.
1157	 *
1158	 * The timer is started from the first bss info received, otherwise
1159	 * the timer would not ever fire if the scan interval is short
1160	 * enough.
1161	 */
1162	if (test_bit(SCHED_SCANNING, &vif->flags) &&
1163	    !timer_pending(&vif->sched_scan_timer)) {
1164		mod_timer(&vif->sched_scan_timer, jiffies +
1165			  msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1166	}
1167
1168	return 0;
1169}
1170
1171/* Inactivity timeout of a fatpipe(pstream) at the target */
1172static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1173					       int len)
1174{
1175	struct wmi_pstream_timeout_event *ev;
1176
1177	if (len < sizeof(struct wmi_pstream_timeout_event))
1178		return -EINVAL;
1179
1180	ev = (struct wmi_pstream_timeout_event *) datap;
1181
1182	/*
1183	 * When the pstream (fat pipe == AC) timesout, it means there were
1184	 * no thinStreams within this pstream & it got implicitly created
1185	 * due to data flow on this AC. We start the inactivity timer only
1186	 * for implicitly created pstream. Just reset the host state.
1187	 */
1188	spin_lock_bh(&wmi->lock);
1189	wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1190	wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1191	spin_unlock_bh(&wmi->lock);
1192
1193	/* Indicate inactivity to driver layer for this fatpipe (pstream) */
1194	ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1195
1196	return 0;
1197}
1198
1199static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1200{
1201	struct wmi_bit_rate_reply *reply;
1202	s32 rate;
1203	u32 sgi, index;
1204
1205	if (len < sizeof(struct wmi_bit_rate_reply))
1206		return -EINVAL;
1207
1208	reply = (struct wmi_bit_rate_reply *) datap;
1209
1210	ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1211
1212	if (reply->rate_index == (s8) RATE_AUTO) {
1213		rate = RATE_AUTO;
1214	} else {
1215		index = reply->rate_index & 0x7f;
1216		if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1217			return -EINVAL;
1218
1219		sgi = (reply->rate_index & 0x80) ? 1 : 0;
1220		rate = wmi_rate_tbl[index][sgi];
1221	}
1222
1223	ath6kl_wakeup_event(wmi->parent_dev);
1224
1225	return 0;
1226}
1227
1228static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1229{
1230	ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1231
1232	return 0;
1233}
1234
1235static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1236{
1237	if (len < sizeof(struct wmi_fix_rates_reply))
1238		return -EINVAL;
1239
1240	ath6kl_wakeup_event(wmi->parent_dev);
1241
1242	return 0;
1243}
1244
1245static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1246{
1247	if (len < sizeof(struct wmi_channel_list_reply))
1248		return -EINVAL;
1249
1250	ath6kl_wakeup_event(wmi->parent_dev);
1251
1252	return 0;
1253}
1254
1255static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1256{
1257	struct wmi_tx_pwr_reply *reply;
1258
1259	if (len < sizeof(struct wmi_tx_pwr_reply))
1260		return -EINVAL;
1261
1262	reply = (struct wmi_tx_pwr_reply *) datap;
1263	ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1264
1265	return 0;
1266}
1267
1268static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1269{
1270	if (len < sizeof(struct wmi_get_keepalive_cmd))
1271		return -EINVAL;
1272
1273	ath6kl_wakeup_event(wmi->parent_dev);
1274
1275	return 0;
1276}
1277
1278static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1279				       struct ath6kl_vif *vif)
1280{
1281	struct wmi_scan_complete_event *ev;
1282
1283	ev = (struct wmi_scan_complete_event *) datap;
1284
1285	ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1286	wmi->is_probe_ssid = false;
1287
1288	return 0;
1289}
1290
1291static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1292					       int len, struct ath6kl_vif *vif)
1293{
1294	struct wmi_neighbor_report_event *ev;
1295	u8 i;
1296
1297	if (len < sizeof(*ev))
1298		return -EINVAL;
1299	ev = (struct wmi_neighbor_report_event *) datap;
1300	if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1301	    > len) {
1302		ath6kl_dbg(ATH6KL_DBG_WMI,
1303			   "truncated neighbor event (num=%d len=%d)\n",
1304			   ev->num_neighbors, len);
1305		return -EINVAL;
1306	}
1307	for (i = 0; i < ev->num_neighbors; i++) {
1308		ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1309			   i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1310			   ev->neighbor[i].bss_flags);
1311		cfg80211_pmksa_candidate_notify(vif->ndev, i,
1312						ev->neighbor[i].bssid,
1313						!!(ev->neighbor[i].bss_flags &
1314						   WMI_PREAUTH_CAPABLE_BSS),
1315						GFP_ATOMIC);
1316	}
1317
1318	return 0;
1319}
1320
1321/*
1322 * Target is reporting a programming error.  This is for
1323 * developer aid only.  Target only checks a few common violations
1324 * and it is responsibility of host to do all error checking.
1325 * Behavior of target after wmi error event is undefined.
1326 * A reset is recommended.
1327 */
1328static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1329{
1330	const char *type = "unknown error";
1331	struct wmi_cmd_error_event *ev;
1332	ev = (struct wmi_cmd_error_event *) datap;
1333
1334	switch (ev->err_code) {
1335	case INVALID_PARAM:
1336		type = "invalid parameter";
1337		break;
1338	case ILLEGAL_STATE:
1339		type = "invalid state";
1340		break;
1341	case INTERNAL_ERROR:
1342		type = "internal error";
1343		break;
1344	}
1345
1346	ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1347		   ev->cmd_id, type);
1348
1349	return 0;
1350}
1351
1352static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1353				     struct ath6kl_vif *vif)
1354{
1355	ath6kl_tgt_stats_event(vif, datap, len);
1356
1357	return 0;
1358}
1359
1360static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1361					 struct sq_threshold_params *sq_thresh,
1362					 u32 size)
1363{
1364	u32 index;
1365	u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1366
1367	/* The list is already in sorted order. Get the next lower value */
1368	for (index = 0; index < size; index++) {
1369		if (rssi < sq_thresh->upper_threshold[index]) {
1370			threshold = (u8) sq_thresh->upper_threshold[index];
1371			break;
1372		}
1373	}
1374
1375	return threshold;
1376}
1377
1378static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1379					 struct sq_threshold_params *sq_thresh,
1380					 u32 size)
1381{
1382	u32 index;
1383	u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1384
1385	/* The list is already in sorted order. Get the next lower value */
1386	for (index = 0; index < size; index++) {
1387		if (rssi > sq_thresh->lower_threshold[index]) {
1388			threshold = (u8) sq_thresh->lower_threshold[index];
1389			break;
1390		}
1391	}
1392
1393	return threshold;
1394}
1395
1396static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1397			struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1398{
1399	struct sk_buff *skb;
1400	struct wmi_rssi_threshold_params_cmd *cmd;
1401
1402	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1403	if (!skb)
1404		return -ENOMEM;
1405
1406	cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1407	memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1408
1409	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1410				   NO_SYNC_WMIFLAG);
1411}
1412
1413static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1414					      int len)
1415{
1416	struct wmi_rssi_threshold_event *reply;
1417	struct wmi_rssi_threshold_params_cmd cmd;
1418	struct sq_threshold_params *sq_thresh;
1419	enum wmi_rssi_threshold_val new_threshold;
1420	u8 upper_rssi_threshold, lower_rssi_threshold;
1421	s16 rssi;
1422	int ret;
1423
1424	if (len < sizeof(struct wmi_rssi_threshold_event))
1425		return -EINVAL;
1426
1427	reply = (struct wmi_rssi_threshold_event *) datap;
1428	new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1429	rssi = a_sle16_to_cpu(reply->rssi);
1430
1431	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1432
1433	/*
1434	 * Identify the threshold breached and communicate that to the app.
1435	 * After that install a new set of thresholds based on the signal
1436	 * quality reported by the target
1437	 */
1438	if (new_threshold) {
1439		/* Upper threshold breached */
1440		if (rssi < sq_thresh->upper_threshold[0]) {
1441			ath6kl_dbg(ATH6KL_DBG_WMI,
1442				   "spurious upper rssi threshold event: %d\n",
1443				   rssi);
1444		} else if ((rssi < sq_thresh->upper_threshold[1]) &&
1445			   (rssi >= sq_thresh->upper_threshold[0])) {
1446			new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1447		} else if ((rssi < sq_thresh->upper_threshold[2]) &&
1448			   (rssi >= sq_thresh->upper_threshold[1])) {
1449			new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1450		} else if ((rssi < sq_thresh->upper_threshold[3]) &&
1451			   (rssi >= sq_thresh->upper_threshold[2])) {
1452			new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1453		} else if ((rssi < sq_thresh->upper_threshold[4]) &&
1454			   (rssi >= sq_thresh->upper_threshold[3])) {
1455			new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1456		} else if ((rssi < sq_thresh->upper_threshold[5]) &&
1457			   (rssi >= sq_thresh->upper_threshold[4])) {
1458			new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1459		} else if (rssi >= sq_thresh->upper_threshold[5]) {
1460			new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1461		}
1462	} else {
1463		/* Lower threshold breached */
1464		if (rssi > sq_thresh->lower_threshold[0]) {
1465			ath6kl_dbg(ATH6KL_DBG_WMI,
1466				   "spurious lower rssi threshold event: %d %d\n",
1467				rssi, sq_thresh->lower_threshold[0]);
1468		} else if ((rssi > sq_thresh->lower_threshold[1]) &&
1469			   (rssi <= sq_thresh->lower_threshold[0])) {
1470			new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1471		} else if ((rssi > sq_thresh->lower_threshold[2]) &&
1472			   (rssi <= sq_thresh->lower_threshold[1])) {
1473			new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1474		} else if ((rssi > sq_thresh->lower_threshold[3]) &&
1475			   (rssi <= sq_thresh->lower_threshold[2])) {
1476			new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1477		} else if ((rssi > sq_thresh->lower_threshold[4]) &&
1478			   (rssi <= sq_thresh->lower_threshold[3])) {
1479			new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1480		} else if ((rssi > sq_thresh->lower_threshold[5]) &&
1481			   (rssi <= sq_thresh->lower_threshold[4])) {
1482			new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1483		} else if (rssi <= sq_thresh->lower_threshold[5]) {
1484			new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1485		}
1486	}
1487
1488	/* Calculate and install the next set of thresholds */
1489	lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1490				       sq_thresh->lower_threshold_valid_count);
1491	upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1492				       sq_thresh->upper_threshold_valid_count);
1493
1494	/* Issue a wmi command to install the thresholds */
1495	cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1496	cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1497	cmd.weight = sq_thresh->weight;
1498	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1499
1500	ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1501	if (ret) {
1502		ath6kl_err("unable to configure rssi thresholds\n");
1503		return -EIO;
1504	}
1505
1506	return 0;
1507}
1508
1509static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1510				   struct ath6kl_vif *vif)
1511{
1512	struct wmi_cac_event *reply;
1513	struct ieee80211_tspec_ie *ts;
1514	u16 active_tsids, tsinfo;
1515	u8 tsid, index;
1516	u8 ts_id;
1517
1518	if (len < sizeof(struct wmi_cac_event))
1519		return -EINVAL;
1520
1521	reply = (struct wmi_cac_event *) datap;
1522
1523	if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1524	    (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1525		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1526		tsinfo = le16_to_cpu(ts->tsinfo);
1527		tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1528			IEEE80211_WMM_IE_TSPEC_TID_MASK;
1529
1530		ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1531					      reply->ac, tsid);
1532	} else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1533		/*
1534		 * Following assumes that there is only one outstanding
1535		 * ADDTS request when this event is received
1536		 */
1537		spin_lock_bh(&wmi->lock);
1538		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1539		spin_unlock_bh(&wmi->lock);
1540
1541		for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1542			if ((active_tsids >> index) & 1)
1543				break;
1544		}
1545		if (index < (sizeof(active_tsids) * 8))
1546			ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1547						      reply->ac, index);
1548	}
1549
1550	/*
1551	 * Clear active tsids and Add missing handling
1552	 * for delete qos stream from AP
1553	 */
1554	else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1555		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1556		tsinfo = le16_to_cpu(ts->tsinfo);
1557		ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1558			 IEEE80211_WMM_IE_TSPEC_TID_MASK);
1559
1560		spin_lock_bh(&wmi->lock);
1561		wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1562		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1563		spin_unlock_bh(&wmi->lock);
1564
1565		/* Indicate stream inactivity to driver layer only if all tsids
1566		 * within this AC are deleted.
1567		 */
1568		if (!active_tsids) {
1569			ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1570						    false);
1571			wmi->fat_pipe_exist &= ~(1 << reply->ac);
1572		}
1573	}
1574
1575	return 0;
1576}
1577
1578static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1579					  struct ath6kl_vif *vif)
1580{
1581	struct wmi_txe_notify_event *ev;
1582	u32 rate, pkts;
1583
1584	if (len < sizeof(*ev))
1585		return -EINVAL;
1586
1587	if (vif->sme_state != SME_CONNECTED)
1588		return -ENOTCONN;
1589
1590	ev = (struct wmi_txe_notify_event *) datap;
1591	rate = le32_to_cpu(ev->rate);
1592	pkts = le32_to_cpu(ev->pkts);
1593
1594	ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d% pkts %d intvl %ds\n",
1595		   vif->bssid, rate, pkts, vif->txe_intvl);
1596
1597	cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1598				rate, vif->txe_intvl, GFP_KERNEL);
1599
1600	return 0;
1601}
1602
1603int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1604			      u32 rate, u32 pkts, u32 intvl)
1605{
1606	struct sk_buff *skb;
1607	struct wmi_txe_notify_cmd *cmd;
1608
1609	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1610	if (!skb)
1611		return -ENOMEM;
1612
1613	cmd = (struct wmi_txe_notify_cmd *) skb->data;
1614	cmd->rate = cpu_to_le32(rate);
1615	cmd->pkts = cpu_to_le32(pkts);
1616	cmd->intvl = cpu_to_le32(intvl);
1617
1618	return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1619				   NO_SYNC_WMIFLAG);
1620}
1621
1622int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1623{
1624	struct sk_buff *skb;
1625	struct wmi_set_rssi_filter_cmd *cmd;
1626	int ret;
1627
1628	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1629	if (!skb)
1630		return -ENOMEM;
1631
1632	cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1633	cmd->rssi = rssi;
1634
1635	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1636				  NO_SYNC_WMIFLAG);
1637	return ret;
1638}
1639
1640static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1641			struct wmi_snr_threshold_params_cmd *snr_cmd)
1642{
1643	struct sk_buff *skb;
1644	struct wmi_snr_threshold_params_cmd *cmd;
1645
1646	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1647	if (!skb)
1648		return -ENOMEM;
1649
1650	cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1651	memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1652
1653	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1654				   NO_SYNC_WMIFLAG);
1655}
1656
1657static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1658					     int len)
1659{
1660	struct wmi_snr_threshold_event *reply;
1661	struct sq_threshold_params *sq_thresh;
1662	struct wmi_snr_threshold_params_cmd cmd;
1663	enum wmi_snr_threshold_val new_threshold;
1664	u8 upper_snr_threshold, lower_snr_threshold;
1665	s16 snr;
1666	int ret;
1667
1668	if (len < sizeof(struct wmi_snr_threshold_event))
1669		return -EINVAL;
1670
1671	reply = (struct wmi_snr_threshold_event *) datap;
1672
1673	new_threshold = (enum wmi_snr_threshold_val) reply->range;
1674	snr = reply->snr;
1675
1676	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1677
1678	/*
1679	 * Identify the threshold breached and communicate that to the app.
1680	 * After that install a new set of thresholds based on the signal
1681	 * quality reported by the target.
1682	 */
1683	if (new_threshold) {
1684		/* Upper threshold breached */
1685		if (snr < sq_thresh->upper_threshold[0]) {
1686			ath6kl_dbg(ATH6KL_DBG_WMI,
1687				   "spurious upper snr threshold event: %d\n",
1688				   snr);
1689		} else if ((snr < sq_thresh->upper_threshold[1]) &&
1690			   (snr >= sq_thresh->upper_threshold[0])) {
1691			new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1692		} else if ((snr < sq_thresh->upper_threshold[2]) &&
1693			   (snr >= sq_thresh->upper_threshold[1])) {
1694			new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1695		} else if ((snr < sq_thresh->upper_threshold[3]) &&
1696			   (snr >= sq_thresh->upper_threshold[2])) {
1697			new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1698		} else if (snr >= sq_thresh->upper_threshold[3]) {
1699			new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1700		}
1701	} else {
1702		/* Lower threshold breached */
1703		if (snr > sq_thresh->lower_threshold[0]) {
1704			ath6kl_dbg(ATH6KL_DBG_WMI,
1705				   "spurious lower snr threshold event: %d\n",
1706				   sq_thresh->lower_threshold[0]);
1707		} else if ((snr > sq_thresh->lower_threshold[1]) &&
1708			   (snr <= sq_thresh->lower_threshold[0])) {
1709			new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1710		} else if ((snr > sq_thresh->lower_threshold[2]) &&
1711			   (snr <= sq_thresh->lower_threshold[1])) {
1712			new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1713		} else if ((snr > sq_thresh->lower_threshold[3]) &&
1714			   (snr <= sq_thresh->lower_threshold[2])) {
1715			new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1716		} else if (snr <= sq_thresh->lower_threshold[3]) {
1717			new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1718		}
1719	}
1720
1721	/* Calculate and install the next set of thresholds */
1722	lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1723				       sq_thresh->lower_threshold_valid_count);
1724	upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1725				       sq_thresh->upper_threshold_valid_count);
1726
1727	/* Issue a wmi command to install the thresholds */
1728	cmd.thresh_above1_val = upper_snr_threshold;
1729	cmd.thresh_below1_val = lower_snr_threshold;
1730	cmd.weight = sq_thresh->weight;
1731	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1732
1733	ath6kl_dbg(ATH6KL_DBG_WMI,
1734		   "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1735		   snr, new_threshold,
1736		   lower_snr_threshold, upper_snr_threshold);
1737
1738	ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1739	if (ret) {
1740		ath6kl_err("unable to configure snr threshold\n");
1741		return -EIO;
1742	}
1743
1744	return 0;
1745}
1746
1747static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1748{
1749	u16 ap_info_entry_size;
1750	struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1751	struct wmi_ap_info_v1 *ap_info_v1;
1752	u8 index;
1753
1754	if (len < sizeof(struct wmi_aplist_event) ||
1755	    ev->ap_list_ver != APLIST_VER1)
1756		return -EINVAL;
1757
1758	ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1759	ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1760
1761	ath6kl_dbg(ATH6KL_DBG_WMI,
1762		   "number of APs in aplist event: %d\n", ev->num_ap);
1763
1764	if (len < (int) (sizeof(struct wmi_aplist_event) +
1765			 (ev->num_ap - 1) * ap_info_entry_size))
1766		return -EINVAL;
1767
1768	/* AP list version 1 contents */
1769	for (index = 0; index < ev->num_ap; index++) {
1770		ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1771			   index, ap_info_v1->bssid, ap_info_v1->channel);
1772		ap_info_v1++;
1773	}
1774
1775	return 0;
1776}
1777
1778int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1779			enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1780{
1781	struct wmi_cmd_hdr *cmd_hdr;
1782	enum htc_endpoint_id ep_id = wmi->ep_id;
1783	int ret;
1784	u16 info1;
1785
1786	if (WARN_ON(skb == NULL ||
1787		    (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1788		dev_kfree_skb(skb);
1789		return -EINVAL;
1790	}
1791
1792	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1793		   cmd_id, skb->len, sync_flag);
1794	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1795			skb->data, skb->len);
1796
1797	if (sync_flag >= END_WMIFLAG) {
1798		dev_kfree_skb(skb);
1799		return -EINVAL;
1800	}
1801
1802	if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1803	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1804		/*
1805		 * Make sure all data currently queued is transmitted before
1806		 * the cmd execution.  Establish a new sync point.
1807		 */
1808		ath6kl_wmi_sync_point(wmi, if_idx);
1809	}
1810
1811	skb_push(skb, sizeof(struct wmi_cmd_hdr));
1812
1813	cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1814	cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1815	info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1816	cmd_hdr->info1 = cpu_to_le16(info1);
1817
1818	/* Only for OPT_TX_CMD, use BE endpoint. */
1819	if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1820		ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1821					      false, false, 0, NULL, if_idx);
1822		if (ret) {
1823			dev_kfree_skb(skb);
1824			return ret;
1825		}
1826		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1827	}
1828
1829	ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1830
1831	if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1832	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1833		/*
1834		 * Make sure all new data queued waits for the command to
1835		 * execute. Establish a new sync point.
1836		 */
1837		ath6kl_wmi_sync_point(wmi, if_idx);
1838	}
1839
1840	return 0;
1841}
1842
1843int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1844			   enum network_type nw_type,
1845			   enum dot11_auth_mode dot11_auth_mode,
1846			   enum auth_mode auth_mode,
1847			   enum crypto_type pairwise_crypto,
1848			   u8 pairwise_crypto_len,
1849			   enum crypto_type group_crypto,
1850			   u8 group_crypto_len, int ssid_len, u8 *ssid,
1851			   u8 *bssid, u16 channel, u32 ctrl_flags,
1852			   u8 nw_subtype)
1853{
1854	struct sk_buff *skb;
1855	struct wmi_connect_cmd *cc;
1856	int ret;
1857
1858	ath6kl_dbg(ATH6KL_DBG_WMI,
1859		   "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1860		   "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1861		   bssid, channel, ctrl_flags, ssid_len, nw_type,
1862		   dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1863	ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1864
1865	wmi->traffic_class = 100;
1866
1867	if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1868		return -EINVAL;
1869
1870	if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1871		return -EINVAL;
1872
1873	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1874	if (!skb)
1875		return -ENOMEM;
1876
1877	cc = (struct wmi_connect_cmd *) skb->data;
1878
1879	if (ssid_len)
1880		memcpy(cc->ssid, ssid, ssid_len);
1881
1882	cc->ssid_len = ssid_len;
1883	cc->nw_type = nw_type;
1884	cc->dot11_auth_mode = dot11_auth_mode;
1885	cc->auth_mode = auth_mode;
1886	cc->prwise_crypto_type = pairwise_crypto;
1887	cc->prwise_crypto_len = pairwise_crypto_len;
1888	cc->grp_crypto_type = group_crypto;
1889	cc->grp_crypto_len = group_crypto_len;
1890	cc->ch = cpu_to_le16(channel);
1891	cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1892	cc->nw_subtype = nw_subtype;
1893
1894	if (bssid != NULL)
1895		memcpy(cc->bssid, bssid, ETH_ALEN);
1896
1897	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1898				  NO_SYNC_WMIFLAG);
1899
1900	return ret;
1901}
1902
1903int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1904			     u16 channel)
1905{
1906	struct sk_buff *skb;
1907	struct wmi_reconnect_cmd *cc;
1908	int ret;
1909
1910	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1911		   bssid, channel);
1912
1913	wmi->traffic_class = 100;
1914
1915	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1916	if (!skb)
1917		return -ENOMEM;
1918
1919	cc = (struct wmi_reconnect_cmd *) skb->data;
1920	cc->channel = cpu_to_le16(channel);
1921
1922	if (bssid != NULL)
1923		memcpy(cc->bssid, bssid, ETH_ALEN);
1924
1925	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1926				  NO_SYNC_WMIFLAG);
1927
1928	return ret;
1929}
1930
1931int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1932{
1933	int ret;
1934
1935	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1936
1937	wmi->traffic_class = 100;
1938
1939	/* Disconnect command does not need to do a SYNC before. */
1940	ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1941
1942	return ret;
1943}
1944
1945/* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1946 * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1947 * mgmt operations using station interface.
1948 */
1949static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1950				    enum wmi_scan_type scan_type,
1951				    u32 force_fgscan, u32 is_legacy,
1952				    u32 home_dwell_time,
1953				    u32 force_scan_interval,
1954				    s8 num_chan, u16 *ch_list)
1955{
1956	struct sk_buff *skb;
1957	struct wmi_start_scan_cmd *sc;
1958	s8 size;
1959	int i, ret;
1960
1961	size = sizeof(struct wmi_start_scan_cmd);
1962
1963	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1964		return -EINVAL;
1965
1966	if (num_chan > WMI_MAX_CHANNELS)
1967		return -EINVAL;
1968
1969	if (num_chan)
1970		size += sizeof(u16) * (num_chan - 1);
1971
1972	skb = ath6kl_wmi_get_new_buf(size);
1973	if (!skb)
1974		return -ENOMEM;
1975
1976	sc = (struct wmi_start_scan_cmd *) skb->data;
1977	sc->scan_type = scan_type;
1978	sc->force_fg_scan = cpu_to_le32(force_fgscan);
1979	sc->is_legacy = cpu_to_le32(is_legacy);
1980	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1981	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1982	sc->num_ch = num_chan;
1983
1984	for (i = 0; i < num_chan; i++)
1985		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1986
1987	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1988				  NO_SYNC_WMIFLAG);
1989
1990	return ret;
1991}
1992
1993/*
1994 * beginscan supports (compared to old startscan) P2P mgmt operations using
1995 * station interface, send additional information like supported rates to
1996 * advertise and xmit rates for probe requests
1997 */
1998int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1999			     enum wmi_scan_type scan_type,
2000			     u32 force_fgscan, u32 is_legacy,
2001			     u32 home_dwell_time, u32 force_scan_interval,
2002			     s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
2003{
2004	struct ieee80211_supported_band *sband;
2005	struct sk_buff *skb;
2006	struct wmi_begin_scan_cmd *sc;
2007	s8 size, *supp_rates;
2008	int i, band, ret;
2009	struct ath6kl *ar = wmi->parent_dev;
2010	int num_rates;
2011	u32 ratemask;
2012
2013	if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2014		      ar->fw_capabilities)) {
2015		return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2016						scan_type, force_fgscan,
2017						is_legacy, home_dwell_time,
2018						force_scan_interval,
2019						num_chan, ch_list);
2020	}
2021
2022	size = sizeof(struct wmi_begin_scan_cmd);
2023
2024	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2025		return -EINVAL;
2026
2027	if (num_chan > WMI_MAX_CHANNELS)
2028		return -EINVAL;
2029
2030	if (num_chan)
2031		size += sizeof(u16) * (num_chan - 1);
2032
2033	skb = ath6kl_wmi_get_new_buf(size);
2034	if (!skb)
2035		return -ENOMEM;
2036
2037	sc = (struct wmi_begin_scan_cmd *) skb->data;
2038	sc->scan_type = scan_type;
2039	sc->force_fg_scan = cpu_to_le32(force_fgscan);
2040	sc->is_legacy = cpu_to_le32(is_legacy);
2041	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2042	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2043	sc->no_cck = cpu_to_le32(no_cck);
2044	sc->num_ch = num_chan;
2045
2046	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2047		sband = ar->wiphy->bands[band];
2048
2049		if (!sband)
2050			continue;
2051
2052		if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2053			break;
2054
2055		ratemask = rates[band];
2056		supp_rates = sc->supp_rates[band].rates;
2057		num_rates = 0;
2058
2059		for (i = 0; i < sband->n_bitrates; i++) {
2060			if ((BIT(i) & ratemask) == 0)
2061				continue; /* skip rate */
2062			supp_rates[num_rates++] =
2063			    (u8) (sband->bitrates[i].bitrate / 5);
2064		}
2065		sc->supp_rates[band].nrates = num_rates;
2066	}
2067
2068	for (i = 0; i < num_chan; i++)
2069		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2070
2071	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2072				  NO_SYNC_WMIFLAG);
2073
2074	return ret;
2075}
2076
2077int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2078{
2079	struct sk_buff *skb;
2080	struct wmi_enable_sched_scan_cmd *sc;
2081	int ret;
2082
2083	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2084	if (!skb)
2085		return -ENOMEM;
2086
2087	ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2088		   enable ? "enabling" : "disabling", if_idx);
2089	sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2090	sc->enable = enable ? 1 : 0;
2091
2092	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2093				  WMI_ENABLE_SCHED_SCAN_CMDID,
2094				  NO_SYNC_WMIFLAG);
2095	return ret;
2096}
2097
2098int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2099			      u16 fg_start_sec,
2100			      u16 fg_end_sec, u16 bg_sec,
2101			      u16 minact_chdw_msec, u16 maxact_chdw_msec,
2102			      u16 pas_chdw_msec, u8 short_scan_ratio,
2103			      u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2104			      u16 maxact_scan_per_ssid)
2105{
2106	struct sk_buff *skb;
2107	struct wmi_scan_params_cmd *sc;
2108	int ret;
2109
2110	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2111	if (!skb)
2112		return -ENOMEM;
2113
2114	sc = (struct wmi_scan_params_cmd *) skb->data;
2115	sc->fg_start_period = cpu_to_le16(fg_start_sec);
2116	sc->fg_end_period = cpu_to_le16(fg_end_sec);
2117	sc->bg_period = cpu_to_le16(bg_sec);
2118	sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2119	sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2120	sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2121	sc->short_scan_ratio = short_scan_ratio;
2122	sc->scan_ctrl_flags = scan_ctrl_flag;
2123	sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2124	sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2125
2126	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2127				  NO_SYNC_WMIFLAG);
2128	return ret;
2129}
2130
2131int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2132{
2133	struct sk_buff *skb;
2134	struct wmi_bss_filter_cmd *cmd;
2135	int ret;
2136
2137	if (filter >= LAST_BSS_FILTER)
2138		return -EINVAL;
2139
2140	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2141	if (!skb)
2142		return -ENOMEM;
2143
2144	cmd = (struct wmi_bss_filter_cmd *) skb->data;
2145	cmd->bss_filter = filter;
2146	cmd->ie_mask = cpu_to_le32(ie_mask);
2147
2148	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2149				  NO_SYNC_WMIFLAG);
2150	return ret;
2151}
2152
2153int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2154			      u8 ssid_len, u8 *ssid)
2155{
2156	struct sk_buff *skb;
2157	struct wmi_probed_ssid_cmd *cmd;
2158	int ret;
2159
2160	if (index >= MAX_PROBED_SSIDS)
2161		return -EINVAL;
2162
2163	if (ssid_len > sizeof(cmd->ssid))
2164		return -EINVAL;
2165
2166	if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2167		return -EINVAL;
2168
2169	if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2170		return -EINVAL;
2171
2172	if (flag & SPECIFIC_SSID_FLAG)
2173		wmi->is_probe_ssid = true;
2174
2175	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2176	if (!skb)
2177		return -ENOMEM;
2178
2179	cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2180	cmd->entry_index = index;
2181	cmd->flag = flag;
2182	cmd->ssid_len = ssid_len;
2183	memcpy(cmd->ssid, ssid, ssid_len);
2184
2185	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2186				  NO_SYNC_WMIFLAG);
2187	return ret;
2188}
2189
2190int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2191				  u16 listen_interval,
2192				  u16 listen_beacons)
2193{
2194	struct sk_buff *skb;
2195	struct wmi_listen_int_cmd *cmd;
2196	int ret;
2197
2198	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2199	if (!skb)
2200		return -ENOMEM;
2201
2202	cmd = (struct wmi_listen_int_cmd *) skb->data;
2203	cmd->listen_intvl = cpu_to_le16(listen_interval);
2204	cmd->num_beacons = cpu_to_le16(listen_beacons);
2205
2206	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2207				  NO_SYNC_WMIFLAG);
2208	return ret;
2209}
2210
2211int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2212			     u16 bmiss_time, u16 num_beacons)
2213{
2214	struct sk_buff *skb;
2215	struct wmi_bmiss_time_cmd *cmd;
2216	int ret;
2217
2218	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2219	if (!skb)
2220		return -ENOMEM;
2221
2222	cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2223	cmd->bmiss_time = cpu_to_le16(bmiss_time);
2224	cmd->num_beacons = cpu_to_le16(num_beacons);
2225
2226	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2227				  NO_SYNC_WMIFLAG);
2228	return ret;
2229}
2230
2231int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2232{
2233	struct sk_buff *skb;
2234	struct wmi_power_mode_cmd *cmd;
2235	int ret;
2236
2237	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2238	if (!skb)
2239		return -ENOMEM;
2240
2241	cmd = (struct wmi_power_mode_cmd *) skb->data;
2242	cmd->pwr_mode = pwr_mode;
2243	wmi->pwr_mode = pwr_mode;
2244
2245	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2246				  NO_SYNC_WMIFLAG);
2247	return ret;
2248}
2249
2250int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2251			    u16 ps_poll_num, u16 dtim_policy,
2252			    u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2253			    u16 ps_fail_event_policy)
2254{
2255	struct sk_buff *skb;
2256	struct wmi_power_params_cmd *pm;
2257	int ret;
2258
2259	skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2260	if (!skb)
2261		return -ENOMEM;
2262
2263	pm = (struct wmi_power_params_cmd *)skb->data;
2264	pm->idle_period = cpu_to_le16(idle_period);
2265	pm->pspoll_number = cpu_to_le16(ps_poll_num);
2266	pm->dtim_policy = cpu_to_le16(dtim_policy);
2267	pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2268	pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2269	pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2270
2271	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2272				  NO_SYNC_WMIFLAG);
2273	return ret;
2274}
2275
2276int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2277{
2278	struct sk_buff *skb;
2279	struct wmi_disc_timeout_cmd *cmd;
2280	int ret;
2281
2282	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2283	if (!skb)
2284		return -ENOMEM;
2285
2286	cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2287	cmd->discon_timeout = timeout;
2288
2289	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2290				  NO_SYNC_WMIFLAG);
2291
2292	if (ret == 0)
2293		ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2294
2295	return ret;
2296}
2297
2298int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2299			  enum crypto_type key_type,
2300			  u8 key_usage, u8 key_len,
2301			  u8 *key_rsc, unsigned int key_rsc_len,
2302			  u8 *key_material,
2303			  u8 key_op_ctrl, u8 *mac_addr,
2304			  enum wmi_sync_flag sync_flag)
2305{
2306	struct sk_buff *skb;
2307	struct wmi_add_cipher_key_cmd *cmd;
2308	int ret;
2309
2310	ath6kl_dbg(ATH6KL_DBG_WMI,
2311		   "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2312		   key_index, key_type, key_usage, key_len, key_op_ctrl);
2313
2314	if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2315	    (key_material == NULL) || key_rsc_len > 8)
2316		return -EINVAL;
2317
2318	if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2319		return -EINVAL;
2320
2321	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2322	if (!skb)
2323		return -ENOMEM;
2324
2325	cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2326	cmd->key_index = key_index;
2327	cmd->key_type = key_type;
2328	cmd->key_usage = key_usage;
2329	cmd->key_len = key_len;
2330	memcpy(cmd->key, key_material, key_len);
2331
2332	if (key_rsc != NULL)
2333		memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2334
2335	cmd->key_op_ctrl = key_op_ctrl;
2336
2337	if (mac_addr)
2338		memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2339
2340	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2341				  sync_flag);
2342
2343	return ret;
2344}
2345
2346int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2347{
2348	struct sk_buff *skb;
2349	struct wmi_add_krk_cmd *cmd;
2350	int ret;
2351
2352	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2353	if (!skb)
2354		return -ENOMEM;
2355
2356	cmd = (struct wmi_add_krk_cmd *) skb->data;
2357	memcpy(cmd->krk, krk, WMI_KRK_LEN);
2358
2359	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2360				  NO_SYNC_WMIFLAG);
2361
2362	return ret;
2363}
2364
2365int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2366{
2367	struct sk_buff *skb;
2368	struct wmi_delete_cipher_key_cmd *cmd;
2369	int ret;
2370
2371	if (key_index > WMI_MAX_KEY_INDEX)
2372		return -EINVAL;
2373
2374	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2375	if (!skb)
2376		return -ENOMEM;
2377
2378	cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2379	cmd->key_index = key_index;
2380
2381	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2382				  NO_SYNC_WMIFLAG);
2383
2384	return ret;
2385}
2386
2387int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2388			    const u8 *pmkid, bool set)
2389{
2390	struct sk_buff *skb;
2391	struct wmi_setpmkid_cmd *cmd;
2392	int ret;
2393
2394	if (bssid == NULL)
2395		return -EINVAL;
2396
2397	if (set && pmkid == NULL)
2398		return -EINVAL;
2399
2400	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2401	if (!skb)
2402		return -ENOMEM;
2403
2404	cmd = (struct wmi_setpmkid_cmd *) skb->data;
2405	memcpy(cmd->bssid, bssid, ETH_ALEN);
2406	if (set) {
2407		memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2408		cmd->enable = PMKID_ENABLE;
2409	} else {
2410		memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2411		cmd->enable = PMKID_DISABLE;
2412	}
2413
2414	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2415				  NO_SYNC_WMIFLAG);
2416
2417	return ret;
2418}
2419
2420static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2421			      enum htc_endpoint_id ep_id, u8 if_idx)
2422{
2423	struct wmi_data_hdr *data_hdr;
2424	int ret;
2425
2426	if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2427		dev_kfree_skb(skb);
2428		return -EINVAL;
2429	}
2430
2431	skb_push(skb, sizeof(struct wmi_data_hdr));
2432
2433	data_hdr = (struct wmi_data_hdr *) skb->data;
2434	data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2435	data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2436
2437	ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2438
2439	return ret;
2440}
2441
2442static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2443{
2444	struct sk_buff *skb;
2445	struct wmi_sync_cmd *cmd;
2446	struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2447	enum htc_endpoint_id ep_id;
2448	u8 index, num_pri_streams = 0;
2449	int ret = 0;
2450
2451	memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2452
2453	spin_lock_bh(&wmi->lock);
2454
2455	for (index = 0; index < WMM_NUM_AC; index++) {
2456		if (wmi->fat_pipe_exist & (1 << index)) {
2457			num_pri_streams++;
2458			data_sync_bufs[num_pri_streams - 1].traffic_class =
2459			    index;
2460		}
2461	}
2462
2463	spin_unlock_bh(&wmi->lock);
2464
2465	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2466	if (!skb)
2467		return -ENOMEM;
2468
2469	cmd = (struct wmi_sync_cmd *) skb->data;
2470
2471	/*
2472	 * In the SYNC cmd sent on the control Ep, send a bitmap
2473	 * of the data eps on which the Data Sync will be sent
2474	 */
2475	cmd->data_sync_map = wmi->fat_pipe_exist;
2476
2477	for (index = 0; index < num_pri_streams; index++) {
2478		data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2479		if (data_sync_bufs[index].skb == NULL) {
2480			ret = -ENOMEM;
2481			break;
2482		}
2483	}
2484
2485	/*
2486	 * If buffer allocation for any of the dataSync fails,
2487	 * then do not send the Synchronize cmd on the control ep
2488	 */
2489	if (ret)
2490		goto free_cmd_skb;
2491
2492	/*
2493	 * Send sync cmd followed by sync data messages on all
2494	 * endpoints being used
2495	 */
2496	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2497				  NO_SYNC_WMIFLAG);
2498
2499	if (ret)
2500		goto free_data_skb;
2501
2502	for (index = 0; index < num_pri_streams; index++) {
2503		if (WARN_ON(!data_sync_bufs[index].skb))
2504			goto free_data_skb;
2505
2506		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2507					       data_sync_bufs[index].
2508					       traffic_class);
2509		ret =
2510		    ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2511					      ep_id, if_idx);
2512
2513		data_sync_bufs[index].skb = NULL;
2514
2515		if (ret)
2516			goto free_data_skb;
2517	}
2518
2519	return 0;
2520
2521free_cmd_skb:
2522	/* free up any resources left over (possibly due to an error) */
2523	dev_kfree_skb(skb);
2524
2525free_data_skb:
2526	for (index = 0; index < num_pri_streams; index++)
2527		dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2528
2529	return ret;
2530}
2531
2532int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2533				  struct wmi_create_pstream_cmd *params)
2534{
2535	struct sk_buff *skb;
2536	struct wmi_create_pstream_cmd *cmd;
2537	u8 fatpipe_exist_for_ac = 0;
2538	s32 min_phy = 0;
2539	s32 nominal_phy = 0;
2540	int ret;
2541
2542	if (!((params->user_pri < 8) &&
2543	      (params->user_pri <= 0x7) &&
2544	      (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2545	      (params->traffic_direc == UPLINK_TRAFFIC ||
2546	       params->traffic_direc == DNLINK_TRAFFIC ||
2547	       params->traffic_direc == BIDIR_TRAFFIC) &&
2548	      (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2549	       params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2550	      (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2551	       params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2552	       params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2553	      (params->tsid == WMI_IMPLICIT_PSTREAM ||
2554	       params->tsid <= WMI_MAX_THINSTREAM))) {
2555		return -EINVAL;
2556	}
2557
2558	/*
2559	 * Check nominal PHY rate is >= minimalPHY,
2560	 * so that DUT can allow TSRS IE
2561	 */
2562
2563	/* Get the physical rate (units of bps) */
2564	min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2565
2566	/* Check minimal phy < nominal phy rate */
2567	if (params->nominal_phy >= min_phy) {
2568		/* unit of 500 kbps */
2569		nominal_phy = (params->nominal_phy * 1000) / 500;
2570		ath6kl_dbg(ATH6KL_DBG_WMI,
2571			   "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2572			   min_phy, nominal_phy);
2573
2574		params->nominal_phy = nominal_phy;
2575	} else {
2576		params->nominal_phy = 0;
2577	}
2578
2579	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2580	if (!skb)
2581		return -ENOMEM;
2582
2583	ath6kl_dbg(ATH6KL_DBG_WMI,
2584		   "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2585		   params->traffic_class, params->tsid);
2586
2587	cmd = (struct wmi_create_pstream_cmd *) skb->data;
2588	memcpy(cmd, params, sizeof(*cmd));
2589
2590	/* This is an implicitly created Fat pipe */
2591	if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2592		spin_lock_bh(&wmi->lock);
2593		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2594					(1 << params->traffic_class));
2595		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2596		spin_unlock_bh(&wmi->lock);
2597	} else {
2598		/* explicitly created thin stream within a fat pipe */
2599		spin_lock_bh(&wmi->lock);
2600		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2601					(1 << params->traffic_class));
2602		wmi->stream_exist_for_ac[params->traffic_class] |=
2603		    (1 << params->tsid);
2604		/*
2605		 * If a thinstream becomes active, the fat pipe automatically
2606		 * becomes active
2607		 */
2608		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2609		spin_unlock_bh(&wmi->lock);
2610	}
2611
2612	/*
2613	 * Indicate activty change to driver layer only if this is the
2614	 * first TSID to get created in this AC explicitly or an implicit
2615	 * fat pipe is getting created.
2616	 */
2617	if (!fatpipe_exist_for_ac)
2618		ath6kl_indicate_tx_activity(wmi->parent_dev,
2619					    params->traffic_class, true);
2620
2621	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2622				  NO_SYNC_WMIFLAG);
2623	return ret;
2624}
2625
2626int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2627				  u8 tsid)
2628{
2629	struct sk_buff *skb;
2630	struct wmi_delete_pstream_cmd *cmd;
2631	u16 active_tsids = 0;
2632	int ret;
2633
2634	if (traffic_class > 3) {
2635		ath6kl_err("invalid traffic class: %d\n", traffic_class);
2636		return -EINVAL;
2637	}
2638
2639	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2640	if (!skb)
2641		return -ENOMEM;
2642
2643	cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2644	cmd->traffic_class = traffic_class;
2645	cmd->tsid = tsid;
2646
2647	spin_lock_bh(&wmi->lock);
2648	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2649	spin_unlock_bh(&wmi->lock);
2650
2651	if (!(active_tsids & (1 << tsid))) {
2652		dev_kfree_skb(skb);
2653		ath6kl_dbg(ATH6KL_DBG_WMI,
2654			   "TSID %d doesn't exist for traffic class: %d\n",
2655			   tsid, traffic_class);
2656		return -ENODATA;
2657	}
2658
2659	ath6kl_dbg(ATH6KL_DBG_WMI,
2660		   "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2661		   traffic_class, tsid);
2662
2663	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2664				  SYNC_BEFORE_WMIFLAG);
2665
2666	spin_lock_bh(&wmi->lock);
2667	wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2668	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2669	spin_unlock_bh(&wmi->lock);
2670
2671	/*
2672	 * Indicate stream inactivity to driver layer only if all tsids
2673	 * within this AC are deleted.
2674	 */
2675	if (!active_tsids) {
2676		ath6kl_indicate_tx_activity(wmi->parent_dev,
2677					    traffic_class, false);
2678		wmi->fat_pipe_exist &= ~(1 << traffic_class);
2679	}
2680
2681	return ret;
2682}
2683
2684int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2685			  __be32 ips0, __be32 ips1)
2686{
2687	struct sk_buff *skb;
2688	struct wmi_set_ip_cmd *cmd;
2689	int ret;
2690
2691	/* Multicast address are not valid */
2692	if (ipv4_is_multicast(ips0) ||
2693	    ipv4_is_multicast(ips1))
2694		return -EINVAL;
2695
2696	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2697	if (!skb)
2698		return -ENOMEM;
2699
2700	cmd = (struct wmi_set_ip_cmd *) skb->data;
2701	cmd->ips[0] = ips0;
2702	cmd->ips[1] = ips1;
2703
2704	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2705				  NO_SYNC_WMIFLAG);
2706	return ret;
2707}
2708
2709static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2710{
2711	u16 active_tsids;
2712	u8 stream_exist;
2713	int i;
2714
2715	/*
2716	 * Relinquish credits from all implicitly created pstreams
2717	 * since when we go to sleep. If user created explicit
2718	 * thinstreams exists with in a fatpipe leave them intact
2719	 * for the user to delete.
2720	 */
2721	spin_lock_bh(&wmi->lock);
2722	stream_exist = wmi->fat_pipe_exist;
2723	spin_unlock_bh(&wmi->lock);
2724
2725	for (i = 0; i < WMM_NUM_AC; i++) {
2726		if (stream_exist & (1 << i)) {
2727			/*
2728			 * FIXME: Is this lock & unlock inside
2729			 * for loop correct? may need rework.
2730			 */
2731			spin_lock_bh(&wmi->lock);
2732			active_tsids = wmi->stream_exist_for_ac[i];
2733			spin_unlock_bh(&wmi->lock);
2734
2735			/*
2736			 * If there are no user created thin streams
2737			 * delete the fatpipe
2738			 */
2739			if (!active_tsids) {
2740				stream_exist &= ~(1 << i);
2741				/*
2742				 * Indicate inactivity to driver layer for
2743				 * this fatpipe (pstream)
2744				 */
2745				ath6kl_indicate_tx_activity(wmi->parent_dev,
2746							    i, false);
2747			}
2748		}
2749	}
2750
2751	/* FIXME: Can we do this assignment without locking ? */
2752	spin_lock_bh(&wmi->lock);
2753	wmi->fat_pipe_exist = stream_exist;
2754	spin_unlock_bh(&wmi->lock);
2755}
2756
2757static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2758				     const struct cfg80211_bitrate_mask *mask)
2759{
2760	struct sk_buff *skb;
2761	int ret, mode, band;
2762	u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2763	struct wmi_set_tx_select_rates64_cmd *cmd;
2764
2765	memset(&ratemask, 0, sizeof(ratemask));
2766
2767	/* only check 2.4 and 5 GHz bands, skip the rest */
2768	for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2769		/* copy legacy rate mask */
2770		ratemask[band] = mask->control[band].legacy;
2771		if (band == IEEE80211_BAND_5GHZ)
2772			ratemask[band] =
2773				mask->control[band].legacy << 4;
2774
2775		/* copy mcs rate mask */
2776		mcsrate = mask->control[band].ht_mcs[1];
2777		mcsrate <<= 8;
2778		mcsrate |= mask->control[band].ht_mcs[0];
2779		ratemask[band] |= mcsrate << 12;
2780		ratemask[band] |= mcsrate << 28;
2781	}
2782
2783	ath6kl_dbg(ATH6KL_DBG_WMI,
2784		   "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2785		   ratemask[0], ratemask[1]);
2786
2787	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2788	if (!skb)
2789		return -ENOMEM;
2790
2791	cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2792	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2793		/* A mode operate in 5GHZ band */
2794		if (mode == WMI_RATES_MODE_11A ||
2795		    mode == WMI_RATES_MODE_11A_HT20 ||
2796		    mode == WMI_RATES_MODE_11A_HT40)
2797			band = IEEE80211_BAND_5GHZ;
2798		else
2799			band = IEEE80211_BAND_2GHZ;
2800		cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2801	}
2802
2803	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2804				  WMI_SET_TX_SELECT_RATES_CMDID,
2805				  NO_SYNC_WMIFLAG);
2806	return ret;
2807}
2808
2809static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2810				     const struct cfg80211_bitrate_mask *mask)
2811{
2812	struct sk_buff *skb;
2813	int ret, mode, band;
2814	u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2815	struct wmi_set_tx_select_rates32_cmd *cmd;
2816
2817	memset(&ratemask, 0, sizeof(ratemask));
2818
2819	/* only check 2.4 and 5 GHz bands, skip the rest */
2820	for (band = 0; band <= IEEE80211_BAND_5GHZ; band++) {
2821		/* copy legacy rate mask */
2822		ratemask[band] = mask->control[band].legacy;
2823		if (band == IEEE80211_BAND_5GHZ)
2824			ratemask[band] =
2825				mask->control[band].legacy << 4;
2826
2827		/* copy mcs rate mask */
2828		mcsrate = mask->control[band].ht_mcs[0];
2829		ratemask[band] |= mcsrate << 12;
2830		ratemask[band] |= mcsrate << 20;
2831	}
2832
2833	ath6kl_dbg(ATH6KL_DBG_WMI,
2834		   "Ratemask 32 bit: 2.4:%x 5:%x\n",
2835		   ratemask[0], ratemask[1]);
2836
2837	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2838	if (!skb)
2839		return -ENOMEM;
2840
2841	cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2842	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2843		/* A mode operate in 5GHZ band */
2844		if (mode == WMI_RATES_MODE_11A ||
2845		    mode == WMI_RATES_MODE_11A_HT20 ||
2846		    mode == WMI_RATES_MODE_11A_HT40)
2847			band = IEEE80211_BAND_5GHZ;
2848		else
2849			band = IEEE80211_BAND_2GHZ;
2850		cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2851	}
2852
2853	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2854				  WMI_SET_TX_SELECT_RATES_CMDID,
2855				  NO_SYNC_WMIFLAG);
2856	return ret;
2857}
2858
2859int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2860				const struct cfg80211_bitrate_mask *mask)
2861{
2862	struct ath6kl *ar = wmi->parent_dev;
2863
2864	if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2865		     ar->fw_capabilities))
2866		return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2867	else
2868		return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2869}
2870
2871int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2872				       enum ath6kl_host_mode host_mode)
2873{
2874	struct sk_buff *skb;
2875	struct wmi_set_host_sleep_mode_cmd *cmd;
2876	int ret;
2877
2878	if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2879	    (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2880		ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2881		return -EINVAL;
2882	}
2883
2884	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2885	if (!skb)
2886		return -ENOMEM;
2887
2888	cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2889
2890	if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2891		ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2892		cmd->asleep = cpu_to_le32(1);
2893	} else {
2894		cmd->awake = cpu_to_le32(1);
2895	}
2896
2897	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2898				  WMI_SET_HOST_SLEEP_MODE_CMDID,
2899				  NO_SYNC_WMIFLAG);
2900	return ret;
2901}
2902
2903/* This command has zero length payload */
2904static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2905						      struct ath6kl_vif *vif)
2906{
2907	struct ath6kl *ar = wmi->parent_dev;
2908
2909	set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2910	wake_up(&ar->event_wq);
2911
2912	return 0;
2913}
2914
2915int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2916				enum ath6kl_wow_mode wow_mode,
2917				u32 filter, u16 host_req_delay)
2918{
2919	struct sk_buff *skb;
2920	struct wmi_set_wow_mode_cmd *cmd;
2921	int ret;
2922
2923	if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2924	    wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2925		ath6kl_err("invalid wow mode: %d\n", wow_mode);
2926		return -EINVAL;
2927	}
2928
2929	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2930	if (!skb)
2931		return -ENOMEM;
2932
2933	cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2934	cmd->enable_wow = cpu_to_le32(wow_mode);
2935	cmd->filter = cpu_to_le32(filter);
2936	cmd->host_req_delay = cpu_to_le16(host_req_delay);
2937
2938	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2939				  NO_SYNC_WMIFLAG);
2940	return ret;
2941}
2942
2943int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2944				   u8 list_id, u8 filter_size,
2945				   u8 filter_offset, const u8 *filter,
2946				   const u8 *mask)
2947{
2948	struct sk_buff *skb;
2949	struct wmi_add_wow_pattern_cmd *cmd;
2950	u16 size;
2951	u8 *filter_mask;
2952	int ret;
2953
2954	/*
2955	 * Allocate additional memory in the buffer to hold
2956	 * filter and mask value, which is twice of filter_size.
2957	 */
2958	size = sizeof(*cmd) + (2 * filter_size);
2959
2960	skb = ath6kl_wmi_get_new_buf(size);
2961	if (!skb)
2962		return -ENOMEM;
2963
2964	cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2965	cmd->filter_list_id = list_id;
2966	cmd->filter_size = filter_size;
2967	cmd->filter_offset = filter_offset;
2968
2969	memcpy(cmd->filter, filter, filter_size);
2970
2971	filter_mask = (u8 *) (cmd->filter + filter_size);
2972	memcpy(filter_mask, mask, filter_size);
2973
2974	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2975				  NO_SYNC_WMIFLAG);
2976
2977	return ret;
2978}
2979
2980int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2981				   u16 list_id, u16 filter_id)
2982{
2983	struct sk_buff *skb;
2984	struct wmi_del_wow_pattern_cmd *cmd;
2985	int ret;
2986
2987	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2988	if (!skb)
2989		return -ENOMEM;
2990
2991	cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2992	cmd->filter_list_id = cpu_to_le16(list_id);
2993	cmd->filter_id = cpu_to_le16(filter_id);
2994
2995	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2996				  NO_SYNC_WMIFLAG);
2997	return ret;
2998}
2999
3000static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
3001				    enum wmix_command_id cmd_id,
3002				    enum wmi_sync_flag sync_flag)
3003{
3004	struct wmix_cmd_hdr *cmd_hdr;
3005	int ret;
3006
3007	skb_push(skb, sizeof(struct wmix_cmd_hdr));
3008
3009	cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3010	cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3011
3012	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
3013
3014	return ret;
3015}
3016
3017int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3018{
3019	struct sk_buff *skb;
3020	struct wmix_hb_challenge_resp_cmd *cmd;
3021	int ret;
3022
3023	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3024	if (!skb)
3025		return -ENOMEM;
3026
3027	cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3028	cmd->cookie = cpu_to_le32(cookie);
3029	cmd->source = cpu_to_le32(source);
3030
3031	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3032				       NO_SYNC_WMIFLAG);
3033	return ret;
3034}
3035
3036int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3037{
3038	struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3039	struct sk_buff *skb;
3040	int ret;
3041
3042	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3043	if (!skb)
3044		return -ENOMEM;
3045
3046	cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3047	cmd->valid = cpu_to_le32(valid);
3048	cmd->config = cpu_to_le32(config);
3049
3050	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3051				       NO_SYNC_WMIFLAG);
3052	return ret;
3053}
3054
3055int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3056{
3057	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3058}
3059
3060int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3061{
3062	struct sk_buff *skb;
3063	struct wmi_set_tx_pwr_cmd *cmd;
3064	int ret;
3065
3066	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3067	if (!skb)
3068		return -ENOMEM;
3069
3070	cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3071	cmd->dbM = dbM;
3072
3073	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3074				  NO_SYNC_WMIFLAG);
3075
3076	return ret;
3077}
3078
3079int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3080{
3081	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3082}
3083
3084int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3085{
3086	return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3087}
3088
3089int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3090				 u8 preamble_policy)
3091{
3092	struct sk_buff *skb;
3093	struct wmi_set_lpreamble_cmd *cmd;
3094	int ret;
3095
3096	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3097	if (!skb)
3098		return -ENOMEM;
3099
3100	cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3101	cmd->status = status;
3102	cmd->preamble_policy = preamble_policy;
3103
3104	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3105				  NO_SYNC_WMIFLAG);
3106	return ret;
3107}
3108
3109int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3110{
3111	struct sk_buff *skb;
3112	struct wmi_set_rts_cmd *cmd;
3113	int ret;
3114
3115	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3116	if (!skb)
3117		return -ENOMEM;
3118
3119	cmd = (struct wmi_set_rts_cmd *) skb->data;
3120	cmd->threshold = cpu_to_le16(threshold);
3121
3122	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3123				  NO_SYNC_WMIFLAG);
3124	return ret;
3125}
3126
3127int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3128{
3129	struct sk_buff *skb;
3130	struct wmi_set_wmm_txop_cmd *cmd;
3131	int ret;
3132
3133	if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3134		return -EINVAL;
3135
3136	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3137	if (!skb)
3138		return -ENOMEM;
3139
3140	cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3141	cmd->txop_enable = cfg;
3142
3143	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3144				  NO_SYNC_WMIFLAG);
3145	return ret;
3146}
3147
3148int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3149				 u8 keep_alive_intvl)
3150{
3151	struct sk_buff *skb;
3152	struct wmi_set_keepalive_cmd *cmd;
3153	int ret;
3154
3155	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3156	if (!skb)
3157		return -ENOMEM;
3158
3159	cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3160	cmd->keep_alive_intvl = keep_alive_intvl;
3161
3162	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3163				  NO_SYNC_WMIFLAG);
3164
3165	if (ret == 0)
3166		ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3167
3168	return ret;
3169}
3170
3171int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3172			     enum ieee80211_band band,
3173			     struct ath6kl_htcap *htcap)
3174{
3175	struct sk_buff *skb;
3176	struct wmi_set_htcap_cmd *cmd;
3177
3178	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3179	if (!skb)
3180		return -ENOMEM;
3181
3182	cmd = (struct wmi_set_htcap_cmd *) skb->data;
3183
3184	/*
3185	 * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely
3186	 * this will be changed in firmware. If at all there is any change in
3187	 * band value, the host needs to be fixed.
3188	 */
3189	cmd->band = band;
3190	cmd->ht_enable = !!htcap->ht_enable;
3191	cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3192	cmd->ht40_supported =
3193		!!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3194	cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3195	cmd->intolerant_40mhz =
3196		!!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3197	cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3198
3199	ath6kl_dbg(ATH6KL_DBG_WMI,
3200		   "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3201		   cmd->band, cmd->ht_enable, cmd->ht40_supported,
3202		   cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3203		   cmd->max_ampdu_len_exp);
3204	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3205				   NO_SYNC_WMIFLAG);
3206}
3207
3208int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3209{
3210	struct sk_buff *skb;
3211	int ret;
3212
3213	skb = ath6kl_wmi_get_new_buf(len);
3214	if (!skb)
3215		return -ENOMEM;
3216
3217	memcpy(skb->data, buf, len);
3218
3219	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3220
3221	return ret;
3222}
3223
3224int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3225{
3226	struct sk_buff *skb;
3227	struct wmi_mcast_filter_cmd *cmd;
3228	int ret;
3229
3230	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3231	if (!skb)
3232		return -ENOMEM;
3233
3234	cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3235	cmd->mcast_all_enable = mc_all_on;
3236
3237	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3238				  NO_SYNC_WMIFLAG);
3239	return ret;
3240}
3241
3242int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3243					u8 *filter, bool add_filter)
3244{
3245	struct sk_buff *skb;
3246	struct wmi_mcast_filter_add_del_cmd *cmd;
3247	int ret;
3248
3249	if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3250	    (filter[0] != 0x01 || filter[1] != 0x00 ||
3251	    filter[2] != 0x5e || filter[3] > 0x7f)) {
3252		ath6kl_warn("invalid multicast filter address\n");
3253		return -EINVAL;
3254	}
3255
3256	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3257	if (!skb)
3258		return -ENOMEM;
3259
3260	cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3261	memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3262	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3263				  add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3264				  WMI_DEL_MCAST_FILTER_CMDID,
3265				  NO_SYNC_WMIFLAG);
3266
3267	return ret;
3268}
3269
3270int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3271{
3272	struct sk_buff *skb;
3273	struct wmi_sta_bmiss_enhance_cmd *cmd;
3274	int ret;
3275
3276	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3277	if (!skb)
3278		return -ENOMEM;
3279
3280	cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3281	cmd->enable = enhance ? 1 : 0;
3282
3283	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3284				  WMI_STA_BMISS_ENHANCE_CMDID,
3285				  NO_SYNC_WMIFLAG);
3286	return ret;
3287}
3288
3289int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3290{
3291	struct sk_buff *skb;
3292	struct wmi_set_regdomain_cmd *cmd;
3293
3294	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3295	if (!skb)
3296		return -ENOMEM;
3297
3298	cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3299	memcpy(cmd->iso_name, alpha2, 2);
3300
3301	return ath6kl_wmi_cmd_send(wmi, 0, skb,
3302				   WMI_SET_REGDOMAIN_CMDID,
3303				   NO_SYNC_WMIFLAG);
3304}
3305
3306s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3307{
3308	struct ath6kl *ar = wmi->parent_dev;
3309	u8 sgi = 0;
3310	s32 ret;
3311
3312	if (rate_index == RATE_AUTO)
3313		return 0;
3314
3315	/* SGI is stored as the MSB of the rate_index */
3316	if (rate_index & RATE_INDEX_MSB) {
3317		rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3318		sgi = 1;
3319	}
3320
3321	if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3322		     ar->fw_capabilities)) {
3323		if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3324			return 0;
3325
3326		ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3327	} else {
3328		if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3329			return 0;
3330
3331		ret = wmi_rate_tbl[(u32) rate_index][sgi];
3332	}
3333
3334	return ret;
3335}
3336
3337static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3338					      u32 len)
3339{
3340	struct wmi_pmkid_list_reply *reply;
3341	u32 expected_len;
3342
3343	if (len < sizeof(struct wmi_pmkid_list_reply))
3344		return -EINVAL;
3345
3346	reply = (struct wmi_pmkid_list_reply *)datap;
3347	expected_len = sizeof(reply->num_pmkid) +
3348		le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3349
3350	if (len < expected_len)
3351		return -EINVAL;
3352
3353	return 0;
3354}
3355
3356static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3357					 struct ath6kl_vif *vif)
3358{
3359	struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3360
3361	aggr_recv_addba_req_evt(vif, cmd->tid,
3362				le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3363
3364	return 0;
3365}
3366
3367static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3368					 struct ath6kl_vif *vif)
3369{
3370	struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3371
3372	aggr_recv_delba_req_evt(vif, cmd->tid);
3373
3374	return 0;
3375}
3376
3377/*  AP mode functions */
3378
3379int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3380				 struct wmi_connect_cmd *p)
3381{
3382	struct sk_buff *skb;
3383	struct wmi_connect_cmd *cm;
3384	int res;
3385
3386	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3387	if (!skb)
3388		return -ENOMEM;
3389
3390	cm = (struct wmi_connect_cmd *) skb->data;
3391	memcpy(cm, p, sizeof(*cm));
3392
3393	res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3394				  NO_SYNC_WMIFLAG);
3395	ath6kl_dbg(ATH6KL_DBG_WMI,
3396		   "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3397		   __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3398		   le32_to_cpu(p->ctrl_flags), res);
3399	return res;
3400}
3401
3402int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3403			   u16 reason)
3404{
3405	struct sk_buff *skb;
3406	struct wmi_ap_set_mlme_cmd *cm;
3407
3408	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3409	if (!skb)
3410		return -ENOMEM;
3411
3412	cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3413	memcpy(cm->mac, mac, ETH_ALEN);
3414	cm->reason = cpu_to_le16(reason);
3415	cm->cmd = cmd;
3416
3417	ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3418		   cm->reason);
3419
3420	return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3421				   NO_SYNC_WMIFLAG);
3422}
3423
3424int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3425{
3426	struct sk_buff *skb;
3427	struct wmi_ap_hidden_ssid_cmd *cmd;
3428
3429	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3430	if (!skb)
3431		return -ENOMEM;
3432
3433	cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3434	cmd->hidden_ssid = enable ? 1 : 0;
3435
3436	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3437				   NO_SYNC_WMIFLAG);
3438}
3439
3440/* This command will be used to enable/disable AP uAPSD feature */
3441int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3442{
3443	struct wmi_ap_set_apsd_cmd *cmd;
3444	struct sk_buff *skb;
3445
3446	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3447	if (!skb)
3448		return -ENOMEM;
3449
3450	cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3451	cmd->enable = enable;
3452
3453	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3454				   NO_SYNC_WMIFLAG);
3455}
3456
3457int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3458					     u16 aid, u16 bitmap, u32 flags)
3459{
3460	struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3461	struct sk_buff *skb;
3462
3463	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3464	if (!skb)
3465		return -ENOMEM;
3466
3467	cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3468	cmd->aid = cpu_to_le16(aid);
3469	cmd->bitmap = cpu_to_le16(bitmap);
3470	cmd->flags = cpu_to_le32(flags);
3471
3472	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3473				   WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3474				   NO_SYNC_WMIFLAG);
3475}
3476
3477static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3478				      struct ath6kl_vif *vif)
3479{
3480	struct wmi_pspoll_event *ev;
3481
3482	if (len < sizeof(struct wmi_pspoll_event))
3483		return -EINVAL;
3484
3485	ev = (struct wmi_pspoll_event *) datap;
3486
3487	ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3488
3489	return 0;
3490}
3491
3492static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3493					  struct ath6kl_vif *vif)
3494{
3495	ath6kl_dtimexpiry_event(vif);
3496
3497	return 0;
3498}
3499
3500int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3501			   bool flag)
3502{
3503	struct sk_buff *skb;
3504	struct wmi_ap_set_pvb_cmd *cmd;
3505	int ret;
3506
3507	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3508	if (!skb)
3509		return -ENOMEM;
3510
3511	cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3512	cmd->aid = cpu_to_le16(aid);
3513	cmd->rsvd = cpu_to_le16(0);
3514	cmd->flag = cpu_to_le32(flag);
3515
3516	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3517				  NO_SYNC_WMIFLAG);
3518
3519	return 0;
3520}
3521
3522int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3523				       u8 rx_meta_ver,
3524				       bool rx_dot11_hdr, bool defrag_on_host)
3525{
3526	struct sk_buff *skb;
3527	struct wmi_rx_frame_format_cmd *cmd;
3528	int ret;
3529
3530	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3531	if (!skb)
3532		return -ENOMEM;
3533
3534	cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3535	cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3536	cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3537	cmd->meta_ver = rx_meta_ver;
3538
3539	/* Delete the local aggr state, on host */
3540	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3541				  NO_SYNC_WMIFLAG);
3542
3543	return ret;
3544}
3545
3546int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3547			     const u8 *ie, u8 ie_len)
3548{
3549	struct sk_buff *skb;
3550	struct wmi_set_appie_cmd *p;
3551
3552	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3553	if (!skb)
3554		return -ENOMEM;
3555
3556	ath6kl_dbg(ATH6KL_DBG_WMI,
3557		   "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3558		   mgmt_frm_type, ie_len);
3559	p = (struct wmi_set_appie_cmd *) skb->data;
3560	p->mgmt_frm_type = mgmt_frm_type;
3561	p->ie_len = ie_len;
3562
3563	if (ie != NULL && ie_len > 0)
3564		memcpy(p->ie_info, ie, ie_len);
3565
3566	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3567				   NO_SYNC_WMIFLAG);
3568}
3569
3570int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3571			  const u8 *ie_info, u8 ie_len)
3572{
3573	struct sk_buff *skb;
3574	struct wmi_set_ie_cmd *p;
3575
3576	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3577	if (!skb)
3578		return -ENOMEM;
3579
3580	ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3581		   ie_id, ie_field, ie_len);
3582	p = (struct wmi_set_ie_cmd *) skb->data;
3583	p->ie_id = ie_id;
3584	p->ie_field = ie_field;
3585	p->ie_len = ie_len;
3586	if (ie_info && ie_len > 0)
3587		memcpy(p->ie_info, ie_info, ie_len);
3588
3589	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3590				   NO_SYNC_WMIFLAG);
3591}
3592
3593int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3594{
3595	struct sk_buff *skb;
3596	struct wmi_disable_11b_rates_cmd *cmd;
3597
3598	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3599	if (!skb)
3600		return -ENOMEM;
3601
3602	ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3603		   disable);
3604	cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3605	cmd->disable = disable ? 1 : 0;
3606
3607	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3608				   NO_SYNC_WMIFLAG);
3609}
3610
3611int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3612{
3613	struct sk_buff *skb;
3614	struct wmi_remain_on_chnl_cmd *p;
3615
3616	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3617	if (!skb)
3618		return -ENOMEM;
3619
3620	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3621		   freq, dur);
3622	p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3623	p->freq = cpu_to_le32(freq);
3624	p->duration = cpu_to_le32(dur);
3625	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3626				   NO_SYNC_WMIFLAG);
3627}
3628
3629/* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3630 * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3631 * mgmt operations using station interface.
3632 */
3633static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3634				      u32 freq, u32 wait, const u8 *data,
3635				      u16 data_len)
3636{
3637	struct sk_buff *skb;
3638	struct wmi_send_action_cmd *p;
3639	u8 *buf;
3640
3641	if (wait)
3642		return -EINVAL; /* Offload for wait not supported */
3643
3644	buf = kmalloc(data_len, GFP_KERNEL);
3645	if (!buf)
3646		return -ENOMEM;
3647
3648	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3649	if (!skb) {
3650		kfree(buf);
3651		return -ENOMEM;
3652	}
3653
3654	kfree(wmi->last_mgmt_tx_frame);
3655	memcpy(buf, data, data_len);
3656	wmi->last_mgmt_tx_frame = buf;
3657	wmi->last_mgmt_tx_frame_len = data_len;
3658
3659	ath6kl_dbg(ATH6KL_DBG_WMI,
3660		   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3661		   id, freq, wait, data_len);
3662	p = (struct wmi_send_action_cmd *) skb->data;
3663	p->id = cpu_to_le32(id);
3664	p->freq = cpu_to_le32(freq);
3665	p->wait = cpu_to_le32(wait);
3666	p->len = cpu_to_le16(data_len);
3667	memcpy(p->data, data, data_len);
3668	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3669				   NO_SYNC_WMIFLAG);
3670}
3671
3672static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3673				      u32 freq, u32 wait, const u8 *data,
3674				      u16 data_len, u32 no_cck)
3675{
3676	struct sk_buff *skb;
3677	struct wmi_send_mgmt_cmd *p;
3678	u8 *buf;
3679
3680	if (wait)
3681		return -EINVAL; /* Offload for wait not supported */
3682
3683	buf = kmalloc(data_len, GFP_KERNEL);
3684	if (!buf)
3685		return -ENOMEM;
3686
3687	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3688	if (!skb) {
3689		kfree(buf);
3690		return -ENOMEM;
3691	}
3692
3693	kfree(wmi->last_mgmt_tx_frame);
3694	memcpy(buf, data, data_len);
3695	wmi->last_mgmt_tx_frame = buf;
3696	wmi->last_mgmt_tx_frame_len = data_len;
3697
3698	ath6kl_dbg(ATH6KL_DBG_WMI,
3699		   "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3700		   id, freq, wait, data_len);
3701	p = (struct wmi_send_mgmt_cmd *) skb->data;
3702	p->id = cpu_to_le32(id);
3703	p->freq = cpu_to_le32(freq);
3704	p->wait = cpu_to_le32(wait);
3705	p->no_cck = cpu_to_le32(no_cck);
3706	p->len = cpu_to_le16(data_len);
3707	memcpy(p->data, data, data_len);
3708	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3709				   NO_SYNC_WMIFLAG);
3710}
3711
3712int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3713				u32 wait, const u8 *data, u16 data_len,
3714				u32 no_cck)
3715{
3716	int status;
3717	struct ath6kl *ar = wmi->parent_dev;
3718
3719	if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3720		     ar->fw_capabilities)) {
3721		/*
3722		 * If capable of doing P2P mgmt operations using
3723		 * station interface, send additional information like
3724		 * supported rates to advertise and xmit rates for
3725		 * probe requests
3726		 */
3727		status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3728						    wait, data, data_len,
3729						    no_cck);
3730	} else {
3731		status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3732						    wait, data, data_len);
3733	}
3734
3735	return status;
3736}
3737
3738int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3739				       const u8 *dst, const u8 *data,
3740				       u16 data_len)
3741{
3742	struct sk_buff *skb;
3743	struct wmi_p2p_probe_response_cmd *p;
3744	size_t cmd_len = sizeof(*p) + data_len;
3745
3746	if (data_len == 0)
3747		cmd_len++; /* work around target minimum length requirement */
3748
3749	skb = ath6kl_wmi_get_new_buf(cmd_len);
3750	if (!skb)
3751		return -ENOMEM;
3752
3753	ath6kl_dbg(ATH6KL_DBG_WMI,
3754		   "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3755		   freq, dst, data_len);
3756	p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3757	p->freq = cpu_to_le32(freq);
3758	memcpy(p->destination_addr, dst, ETH_ALEN);
3759	p->len = cpu_to_le16(data_len);
3760	memcpy(p->data, data, data_len);
3761	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3762				   WMI_SEND_PROBE_RESPONSE_CMDID,
3763				   NO_SYNC_WMIFLAG);
3764}
3765
3766int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3767{
3768	struct sk_buff *skb;
3769	struct wmi_probe_req_report_cmd *p;
3770
3771	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3772	if (!skb)
3773		return -ENOMEM;
3774
3775	ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3776		   enable);
3777	p = (struct wmi_probe_req_report_cmd *) skb->data;
3778	p->enable = enable ? 1 : 0;
3779	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3780				   NO_SYNC_WMIFLAG);
3781}
3782
3783int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3784{
3785	struct sk_buff *skb;
3786	struct wmi_get_p2p_info *p;
3787
3788	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3789	if (!skb)
3790		return -ENOMEM;
3791
3792	ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3793		   info_req_flags);
3794	p = (struct wmi_get_p2p_info *) skb->data;
3795	p->info_req_flags = cpu_to_le32(info_req_flags);
3796	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3797				   NO_SYNC_WMIFLAG);
3798}
3799
3800int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3801{
3802	ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3803	return ath6kl_wmi_simple_cmd(wmi, if_idx,
3804				     WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3805}
3806
3807int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3808{
3809	struct sk_buff *skb;
3810	struct wmi_set_inact_period_cmd *cmd;
3811
3812	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3813	if (!skb)
3814		return -ENOMEM;
3815
3816	cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3817	cmd->inact_period = cpu_to_le32(inact_timeout);
3818	cmd->num_null_func = 0;
3819
3820	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3821				   NO_SYNC_WMIFLAG);
3822}
3823
3824static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3825					       int len)
3826{
3827	struct wmix_hb_challenge_resp_cmd *cmd;
3828
3829	if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3830		return;
3831
3832	cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3833	ath6kl_recovery_hb_event(wmi->parent_dev,
3834				 le32_to_cpu(cmd->cookie));
3835}
3836
3837static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3838{
3839	struct wmix_cmd_hdr *cmd;
3840	u32 len;
3841	u16 id;
3842	u8 *datap;
3843	int ret = 0;
3844
3845	if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3846		ath6kl_err("bad packet 1\n");
3847		return -EINVAL;
3848	}
3849
3850	cmd = (struct wmix_cmd_hdr *) skb->data;
3851	id = le32_to_cpu(cmd->cmd_id);
3852
3853	skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3854
3855	datap = skb->data;
3856	len = skb->len;
3857
3858	switch (id) {
3859	case WMIX_HB_CHALLENGE_RESP_EVENTID:
3860		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3861		ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3862		break;
3863	case WMIX_DBGLOG_EVENTID:
3864		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3865		ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3866		break;
3867	default:
3868		ath6kl_warn("unknown cmd id 0x%x\n", id);
3869		ret = -EINVAL;
3870		break;
3871	}
3872
3873	return ret;
3874}
3875
3876static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3877{
3878	return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3879}
3880
3881/* Process interface specific wmi events, caller would free the datap */
3882static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3883					u8 *datap, u32 len)
3884{
3885	struct ath6kl_vif *vif;
3886
3887	vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3888	if (!vif) {
3889		ath6kl_dbg(ATH6KL_DBG_WMI,
3890			   "Wmi event for unavailable vif, vif_index:%d\n",
3891			    if_idx);
3892		return -EINVAL;
3893	}
3894
3895	switch (cmd_id) {
3896	case WMI_CONNECT_EVENTID:
3897		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3898		return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3899	case WMI_DISCONNECT_EVENTID:
3900		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3901		return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3902	case WMI_TKIP_MICERR_EVENTID:
3903		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3904		return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3905	case WMI_BSSINFO_EVENTID:
3906		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3907		return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3908	case WMI_NEIGHBOR_REPORT_EVENTID:
3909		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3910		return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3911							   vif);
3912	case WMI_SCAN_COMPLETE_EVENTID:
3913		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3914		return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3915	case WMI_REPORT_STATISTICS_EVENTID:
3916		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3917		return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3918	case WMI_CAC_EVENTID:
3919		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3920		return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3921	case WMI_PSPOLL_EVENTID:
3922		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3923		return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3924	case WMI_DTIMEXPIRY_EVENTID:
3925		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3926		return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3927	case WMI_ADDBA_REQ_EVENTID:
3928		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3929		return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3930	case WMI_DELBA_REQ_EVENTID:
3931		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3932		return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3933	case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3934		ath6kl_dbg(ATH6KL_DBG_WMI,
3935			   "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3936		return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3937	case WMI_REMAIN_ON_CHNL_EVENTID:
3938		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3939		return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3940	case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3941		ath6kl_dbg(ATH6KL_DBG_WMI,
3942			   "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3943		return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3944								 len, vif);
3945	case WMI_TX_STATUS_EVENTID:
3946		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3947		return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3948	case WMI_RX_PROBE_REQ_EVENTID:
3949		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3950		return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3951	case WMI_RX_ACTION_EVENTID:
3952		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3953		return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3954	case WMI_TXE_NOTIFY_EVENTID:
3955		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3956		return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3957	default:
3958		ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3959		return -EINVAL;
3960	}
3961
3962	return 0;
3963}
3964
3965static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3966{
3967	struct wmi_cmd_hdr *cmd;
3968	int ret = 0;
3969	u32 len;
3970	u16 id;
3971	u8 if_idx;
3972	u8 *datap;
3973
3974	cmd = (struct wmi_cmd_hdr *) skb->data;
3975	id = le16_to_cpu(cmd->cmd_id);
3976	if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3977
3978	skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3979	datap = skb->data;
3980	len = skb->len;
3981
3982	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3983	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3984			datap, len);
3985
3986	switch (id) {
3987	case WMI_GET_BITRATE_CMDID:
3988		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3989		ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3990		break;
3991	case WMI_GET_CHANNEL_LIST_CMDID:
3992		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3993		ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3994		break;
3995	case WMI_GET_TX_PWR_CMDID:
3996		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3997		ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3998		break;
3999	case WMI_READY_EVENTID:
4000		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
4001		ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
4002		break;
4003	case WMI_PEER_NODE_EVENTID:
4004		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
4005		ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4006		break;
4007	case WMI_REGDOMAIN_EVENTID:
4008		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
4009		ath6kl_wmi_regdomain_event(wmi, datap, len);
4010		break;
4011	case WMI_PSTREAM_TIMEOUT_EVENTID:
4012		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4013		ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4014		break;
4015	case WMI_CMDERROR_EVENTID:
4016		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
4017		ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4018		break;
4019	case WMI_RSSI_THRESHOLD_EVENTID:
4020		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
4021		ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4022		break;
4023	case WMI_ERROR_REPORT_EVENTID:
4024		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
4025		break;
4026	case WMI_OPT_RX_FRAME_EVENTID:
4027		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
4028		/* this event has been deprecated */
4029		break;
4030	case WMI_REPORT_ROAM_TBL_EVENTID:
4031		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4032		ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4033		break;
4034	case WMI_EXTENSION_EVENTID:
4035		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4036		ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4037		break;
4038	case WMI_CHANNEL_CHANGE_EVENTID:
4039		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4040		break;
4041	case WMI_REPORT_ROAM_DATA_EVENTID:
4042		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4043		break;
4044	case WMI_TEST_EVENTID:
4045		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4046		ret = ath6kl_wmi_test_rx(wmi, datap, len);
4047		break;
4048	case WMI_GET_FIXRATES_CMDID:
4049		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4050		ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4051		break;
4052	case WMI_TX_RETRY_ERR_EVENTID:
4053		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4054		break;
4055	case WMI_SNR_THRESHOLD_EVENTID:
4056		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4057		ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4058		break;
4059	case WMI_LQ_THRESHOLD_EVENTID:
4060		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4061		break;
4062	case WMI_APLIST_EVENTID:
4063		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4064		ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4065		break;
4066	case WMI_GET_KEEPALIVE_CMDID:
4067		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4068		ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4069		break;
4070	case WMI_GET_WOW_LIST_EVENTID:
4071		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4072		break;
4073	case WMI_GET_PMKID_LIST_EVENTID:
4074		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4075		ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4076		break;
4077	case WMI_SET_PARAMS_REPLY_EVENTID:
4078		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4079		break;
4080	case WMI_ADDBA_RESP_EVENTID:
4081		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4082		break;
4083	case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4084		ath6kl_dbg(ATH6KL_DBG_WMI,
4085			   "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4086		break;
4087	case WMI_REPORT_BTCOEX_STATS_EVENTID:
4088		ath6kl_dbg(ATH6KL_DBG_WMI,
4089			   "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4090		break;
4091	case WMI_TX_COMPLETE_EVENTID:
4092		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4093		ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4094		break;
4095	case WMI_P2P_CAPABILITIES_EVENTID:
4096		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4097		ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4098		break;
4099	case WMI_P2P_INFO_EVENTID:
4100		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4101		ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4102		break;
4103	default:
4104		/* may be the event is interface specific */
4105		ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4106		break;
4107	}
4108
4109	dev_kfree_skb(skb);
4110	return ret;
4111}
4112
4113/* Control Path */
4114int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4115{
4116	if (WARN_ON(skb == NULL))
4117		return -EINVAL;
4118
4119	if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4120		ath6kl_err("bad packet 1\n");
4121		dev_kfree_skb(skb);
4122		return -EINVAL;
4123	}
4124
4125	trace_ath6kl_wmi_event(skb->data, skb->len);
4126
4127	return ath6kl_wmi_proc_events(wmi, skb);
4128}
4129
4130void ath6kl_wmi_reset(struct wmi *wmi)
4131{
4132	spin_lock_bh(&wmi->lock);
4133
4134	wmi->fat_pipe_exist = 0;
4135	memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4136
4137	spin_unlock_bh(&wmi->lock);
4138}
4139
4140void *ath6kl_wmi_init(struct ath6kl *dev)
4141{
4142	struct wmi *wmi;
4143
4144	wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4145	if (!wmi)
4146		return NULL;
4147
4148	spin_lock_init(&wmi->lock);
4149
4150	wmi->parent_dev = dev;
4151
4152	wmi->pwr_mode = REC_POWER;
4153
4154	ath6kl_wmi_reset(wmi);
4155
4156	return wmi;
4157}
4158
4159void ath6kl_wmi_shutdown(struct wmi *wmi)
4160{
4161	if (!wmi)
4162		return;
4163
4164	kfree(wmi->last_mgmt_tx_frame);
4165	kfree(wmi);
4166}
4167