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
27	static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
28
29	static 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
62	static 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 */
112	static 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
123	void 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
131	enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
132	{
133	return wmi->ep_id;
134	}
135
136	struct 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(lock: &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(lock: &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 contiguous and that there is
158	* enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
159	*/
160	int 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(mask: ATH6KL_DBG_WMI,
181	fmt: "%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, len: 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
206	static 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
234	int 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, version: &meta_ver, tx_meta_info);
247	if (ret)
248	return ret;
249	}
250
251	skb_push(skb, len: 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
271	u8 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
293	u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
294	{
295	return up_to_ac[user_priority & 0x7];
296	}
297
298	int 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(pkt: ((u8 *) llc_hdr) +
339	sizeof(struct ath6kl_llc_snap_hdr),
340	layer2_pri: 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(dhdr: data_hdr, usr_pri);
367
368	spin_lock_bh(lock: &wmi->lock);
369	stream_exist = wmi->fat_pipe_exist;
370	spin_unlock_bh(lock: &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, pstream: &cmd);
381	}
382
383	*ac = traffic_class;
384
385	return 0;
386	}
387
388	int 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, len: hdr_size);
412	} else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) {
413	skb_pull(skb, len: 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 IEEE80211_FCTL_TODS:
425	memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
426	memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
427	break;
428	case IEEE80211_FCTL_FROMDS:
429	memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
430	memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
431	break;
432	case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
433	break;
434	default:
435	memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
436	memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
437	break;
438	}
439
440	skb_pull(skb, len: sizeof(struct ath6kl_llc_snap_hdr));
441	skb_push(skb, len: 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 contiguous.
453	*/
454	int 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, len: 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
478	static 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(mask: ATH6KL_DBG_WMI, fmt: "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(mask: ATH6KL_DBG_WMI, fmt: "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
503	static 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(mask: ATH6KL_DBG_WMI, fmt: "remain_on_chnl: freq=%u dur=%u\n",
520	freq, dur);
521	chan = ieee80211_get_channel(wiphy: ar->wiphy, freq);
522	if (!chan) {
523	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
524	fmt: "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(wdev: &vif->wdev, cookie: id, chan,
530	duration: dur, GFP_ATOMIC);
531
532	return 0;
533	}
534
535	static 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(mask: ATH6KL_DBG_WMI,
553	fmt: "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
554	freq, dur, ev->status);
555	chan = ieee80211_get_channel(wiphy: ar->wiphy, freq);
556	if (!chan) {
557	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
558	fmt: "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(wdev: &vif->wdev, cookie: id, chan, GFP_ATOMIC);
569
570	return 0;
571	}
572
573	static 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(mask: ATH6KL_DBG_WMI, fmt: "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(wdev: &vif->wdev, cookie: id,
588	buf: wmi->last_mgmt_tx_frame,
589	len: wmi->last_mgmt_tx_frame_len,
590	ack: !!ev->ack_status, GFP_ATOMIC);
591	kfree(objp: 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
599	static 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(fmt: "invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
614	len, dlen);
615	return -EINVAL;
616	}
617	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
618	fmt: "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(wdev: &vif->wdev, freq, sig_dbm: 0, buf: ev->data, len: dlen, flags: 0);
623
624	return 0;
625	}
626
627	static 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(mask: ATH6KL_DBG_WMI, fmt: "p2p_capab: len=%u\n", dlen);
638
639	return 0;
640	}
641
642	static 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(fmt: "invalid wmi_rx_action_event: len=%d dlen=%u\n",
657	len, dlen);
658	return -EINVAL;
659	}
660	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "rx_action: len=%u freq=%u\n", dlen, freq);
661	cfg80211_rx_mgmt(wdev: &vif->wdev, freq, sig_dbm: 0, buf: ev->data, len: dlen, flags: 0);
662
663	return 0;
664	}
665
666	static 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(mask: ATH6KL_DBG_WMI, fmt: "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(mask: ATH6KL_DBG_WMI, fmt: "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(mask: ATH6KL_DBG_WMI, fmt: "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(mask: ATH6KL_DBG_WMI, fmt: "p2p_info: P2P Model = %d (%s)\n",
704	mod->p2p_model,
705	mod->p2p_model ? "host" : "firmware");
706	}
707	return 0;
708	}
709
710	static 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, len: 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 */
726	static 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(size: 0);
733	if (!skb)
734	return -ENOMEM;
735
736	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, sync_flag: NO_SYNC_WMIFLAG);
737
738	return ret;
739	}
740
741	static 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(devt: wmi->parent_dev, datap: ev->mac_addr,
749	le32_to_cpu(ev->sw_version),
750	le32_to_cpu(ev->abi_version), cap: 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	*/
761	int 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(size: 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(val: lrssi +
774	DEF_SCAN_FOR_ROAM_INTVL);
775	cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(val: lrssi);
776	cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
777	cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
778
779	return ath6kl_wmi_cmd_send(wmi, if_idx: 0, skb, cmd_id: WMI_SET_ROAM_CTRL_CMDID,
780	sync_flag: NO_SYNC_WMIFLAG);
781	}
782
783	int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
784	{
785	struct sk_buff *skb;
786	struct roam_ctrl_cmd *cmd;
787
788	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
789	if (!skb)
790	return -ENOMEM;
791
792	cmd = (struct roam_ctrl_cmd *) skb->data;
793
794	memcpy(cmd->info.bssid, bssid, ETH_ALEN);
795	cmd->roam_ctrl = WMI_FORCE_ROAM;
796
797	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "force roam to %pM\n", bssid);
798	return ath6kl_wmi_cmd_send(wmi, if_idx: 0, skb, cmd_id: WMI_SET_ROAM_CTRL_CMDID,
799	sync_flag: NO_SYNC_WMIFLAG);
800	}
801
802	int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
803	u32 beacon_intvl)
804	{
805	struct sk_buff *skb;
806	struct set_beacon_int_cmd *cmd;
807
808	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
809	if (!skb)
810	return -ENOMEM;
811
812	cmd = (struct set_beacon_int_cmd *) skb->data;
813
814	cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
815	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
816	cmd_id: WMI_SET_BEACON_INT_CMDID, sync_flag: NO_SYNC_WMIFLAG);
817	}
818
819	int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
820	{
821	struct sk_buff *skb;
822	struct set_dtim_cmd *cmd;
823
824	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
825	if (!skb)
826	return -ENOMEM;
827
828	cmd = (struct set_dtim_cmd *) skb->data;
829
830	cmd->dtim_period = cpu_to_le32(dtim_period);
831	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
832	cmd_id: WMI_AP_SET_DTIM_CMDID, sync_flag: NO_SYNC_WMIFLAG);
833	}
834
835	int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
836	{
837	struct sk_buff *skb;
838	struct roam_ctrl_cmd *cmd;
839
840	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
841	if (!skb)
842	return -ENOMEM;
843
844	cmd = (struct roam_ctrl_cmd *) skb->data;
845
846	cmd->info.roam_mode = mode;
847	cmd->roam_ctrl = WMI_SET_ROAM_MODE;
848
849	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "set roam mode %d\n", mode);
850	return ath6kl_wmi_cmd_send(wmi, if_idx: 0, skb, cmd_id: WMI_SET_ROAM_CTRL_CMDID,
851	sync_flag: NO_SYNC_WMIFLAG);
852	}
853
854	static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
855	struct ath6kl_vif *vif)
856	{
857	struct wmi_connect_event *ev;
858	u8 *pie, *peie;
859
860	if (len < sizeof(struct wmi_connect_event))
861	return -EINVAL;
862
863	ev = (struct wmi_connect_event *) datap;
864
865	if (vif->nw_type == AP_NETWORK) {
866	/* AP mode start/STA connected event */
867	struct net_device *dev = vif->ndev;
868	if (memcmp(p: dev->dev_addr, q: ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
869	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
870	fmt: "%s: freq %d bssid %pM (AP started)\n",
871	__func__, le16_to_cpu(ev->u.ap_bss.ch),
872	ev->u.ap_bss.bssid);
873	ath6kl_connect_ap_mode_bss(
874	vif, le16_to_cpu(ev->u.ap_bss.ch));
875	} else {
876	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
877	fmt: "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
878	__func__, ev->u.ap_sta.aid,
879	ev->u.ap_sta.mac_addr,
880	ev->u.ap_sta.auth,
881	ev->u.ap_sta.keymgmt,
882	le16_to_cpu(ev->u.ap_sta.cipher),
883	ev->u.ap_sta.apsd_info);
884
885	ath6kl_connect_ap_mode_sta(
886	vif, aid: ev->u.ap_sta.aid, mac_addr: ev->u.ap_sta.mac_addr,
887	keymgmt: ev->u.ap_sta.keymgmt,
888	le16_to_cpu(ev->u.ap_sta.cipher),
889	auth: ev->u.ap_sta.auth, assoc_req_len: ev->assoc_req_len,
890	assoc_info: ev->assoc_info + ev->beacon_ie_len,
891	apsd_info: ev->u.ap_sta.apsd_info);
892	}
893	return 0;
894	}
895
896	/* STA/IBSS mode connection event */
897
898	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
899	fmt: "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
900	le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
901	le16_to_cpu(ev->u.sta.listen_intvl),
902	le16_to_cpu(ev->u.sta.beacon_intvl),
903	le32_to_cpu(ev->u.sta.nw_type));
904
905	/* Start of assoc rsp IEs */
906	pie = ev->assoc_info + ev->beacon_ie_len +
907	ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
908
909	/* End of assoc rsp IEs */
910	peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
911	ev->assoc_resp_len;
912
913	while (pie < peie) {
914	switch (*pie) {
915	case WLAN_EID_VENDOR_SPECIFIC:
916	if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
917	pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
918	/* WMM OUT (00:50:F2) */
919	if (pie[1] > 5 &&
920	pie[6] == WMM_PARAM_OUI_SUBTYPE)
921	wmi->is_wmm_enabled = true;
922	}
923	break;
924	}
925
926	if (wmi->is_wmm_enabled)
927	break;
928
929	pie += pie[1] + 2;
930	}
931
932	ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
933	bssid: ev->u.sta.bssid,
934	le16_to_cpu(ev->u.sta.listen_intvl),
935	le16_to_cpu(ev->u.sta.beacon_intvl),
936	le32_to_cpu(ev->u.sta.nw_type),
937	beacon_ie_len: ev->beacon_ie_len, assoc_req_len: ev->assoc_req_len,
938	assoc_resp_len: ev->assoc_resp_len, assoc_info: ev->assoc_info);
939
940	return 0;
941	}
942
943	static struct country_code_to_enum_rd *
944	ath6kl_regd_find_country(u16 countryCode)
945	{
946	int i;
947
948	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
949	if (allCountries[i].countryCode == countryCode)
950	return &allCountries[i];
951	}
952
953	return NULL;
954	}
955
956	static struct reg_dmn_pair_mapping *
957	ath6kl_get_regpair(u16 regdmn)
958	{
959	int i;
960
961	if (regdmn == NO_ENUMRD)
962	return NULL;
963
964	for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
965	if (regDomainPairs[i].reg_domain == regdmn)
966	return &regDomainPairs[i];
967	}
968
969	return NULL;
970	}
971
972	static struct country_code_to_enum_rd *
973	ath6kl_regd_find_country_by_rd(u16 regdmn)
974	{
975	int i;
976
977	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
978	if (allCountries[i].regDmnEnum == regdmn)
979	return &allCountries[i];
980	}
981
982	return NULL;
983	}
984
985	static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
986	{
987	struct ath6kl_wmi_regdomain *ev;
988	struct country_code_to_enum_rd *country = NULL;
989	struct reg_dmn_pair_mapping *regpair = NULL;
990	char alpha2[2];
991	u32 reg_code;
992
993	ev = (struct ath6kl_wmi_regdomain *) datap;
994	reg_code = le32_to_cpu(ev->reg_code);
995
996	if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) {
997	country = ath6kl_regd_find_country(countryCode: (u16) reg_code);
998	} else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
999	regpair = ath6kl_get_regpair(regdmn: (u16) reg_code);
1000	country = ath6kl_regd_find_country_by_rd(regdmn: (u16) reg_code);
1001	if (regpair)
1002	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "Regpair used: 0x%0x\n",
1003	regpair->reg_domain);
1004	else
1005	ath6kl_warn(fmt: "Regpair not found reg_code 0x%0x\n",
1006	reg_code);
1007	}
1008
1009	if (country && wmi->parent_dev->wiphy_registered) {
1010	alpha2[0] = country->isoName[0];
1011	alpha2[1] = country->isoName[1];
1012
1013	regulatory_hint(wiphy: wmi->parent_dev->wiphy, alpha2);
1014
1015	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "Country alpha2 being used: %c%c\n",
1016	alpha2[0], alpha2[1]);
1017	}
1018	}
1019
1020	static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
1021	struct ath6kl_vif *vif)
1022	{
1023	struct wmi_disconnect_event *ev;
1024	wmi->traffic_class = 100;
1025
1026	if (len < sizeof(struct wmi_disconnect_event))
1027	return -EINVAL;
1028
1029	ev = (struct wmi_disconnect_event *) datap;
1030
1031	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
1032	fmt: "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
1033	le16_to_cpu(ev->proto_reason_status), ev->bssid,
1034	ev->disconn_reason, ev->assoc_resp_len);
1035
1036	wmi->is_wmm_enabled = false;
1037
1038	ath6kl_disconnect_event(vif, reason: ev->disconn_reason,
1039	bssid: ev->bssid, assoc_resp_len: ev->assoc_resp_len, assoc_info: ev->assoc_info,
1040	le16_to_cpu(ev->proto_reason_status));
1041
1042	return 0;
1043	}
1044
1045	static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1046	{
1047	struct wmi_peer_node_event *ev;
1048
1049	if (len < sizeof(struct wmi_peer_node_event))
1050	return -EINVAL;
1051
1052	ev = (struct wmi_peer_node_event *) datap;
1053
1054	if (ev->event_code == PEER_NODE_JOIN_EVENT)
1055	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "joined node with mac addr: %pM\n",
1056	ev->peer_mac_addr);
1057	else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1058	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "left node with mac addr: %pM\n",
1059	ev->peer_mac_addr);
1060
1061	return 0;
1062	}
1063
1064	static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1065	struct ath6kl_vif *vif)
1066	{
1067	struct wmi_tkip_micerr_event *ev;
1068
1069	if (len < sizeof(struct wmi_tkip_micerr_event))
1070	return -EINVAL;
1071
1072	ev = (struct wmi_tkip_micerr_event *) datap;
1073
1074	ath6kl_tkip_micerr_event(vif, keyid: ev->key_id, ismcast: ev->is_mcast);
1075
1076	return 0;
1077	}
1078
1079	void ath6kl_wmi_sscan_timer(struct timer_list *t)
1080	{
1081	struct ath6kl_vif *vif = from_timer(vif, t, sched_scan_timer);
1082
1083	cfg80211_sched_scan_results(wiphy: vif->ar->wiphy, reqid: 0);
1084	}
1085
1086	static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1087	struct ath6kl_vif *vif)
1088	{
1089	struct wmi_bss_info_hdr2 *bih;
1090	u8 *buf;
1091	struct ieee80211_channel *channel;
1092	struct ath6kl *ar = wmi->parent_dev;
1093	struct cfg80211_bss *bss;
1094
1095	if (len <= sizeof(struct wmi_bss_info_hdr2))
1096	return -EINVAL;
1097
1098	bih = (struct wmi_bss_info_hdr2 *) datap;
1099	buf = datap + sizeof(struct wmi_bss_info_hdr2);
1100	len -= sizeof(struct wmi_bss_info_hdr2);
1101
1102	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
1103	fmt: "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1104	"frame_type=%d\n",
1105	bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1106	bih->frame_type);
1107
1108	if (bih->frame_type != BEACON_FTYPE &&
1109	bih->frame_type != PROBERESP_FTYPE)
1110	return 0; /* Only update BSS table for now */
1111
1112	if (bih->frame_type == BEACON_FTYPE &&
1113	test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1114	clear_bit(nr: CLEAR_BSSFILTER_ON_BEACON, addr: &vif->flags);
1115	ath6kl_wmi_bssfilter_cmd(wmi: ar->wmi, if_idx: vif->fw_vif_idx,
1116	filter: NONE_BSS_FILTER, ie_mask: 0);
1117	}
1118
1119	channel = ieee80211_get_channel(wiphy: ar->wiphy, le16_to_cpu(bih->ch));
1120	if (channel == NULL)
1121	return -EINVAL;
1122
1123	if (len < 8 + 2 + 2)
1124	return -EINVAL;
1125
1126	if (bih->frame_type == BEACON_FTYPE &&
1127	test_bit(CONNECTED, &vif->flags) &&
1128	memcmp(p: bih->bssid, q: vif->bssid, ETH_ALEN) == 0) {
1129	const u8 *tim;
1130	tim = cfg80211_find_ie(eid: WLAN_EID_TIM, ies: buf + 8 + 2 + 2,
1131	len: len - 8 - 2 - 2);
1132	if (tim && tim[1] >= 2) {
1133	vif->assoc_bss_dtim_period = tim[3];
1134	set_bit(nr: DTIM_PERIOD_AVAIL, addr: &vif->flags);
1135	}
1136	}
1137
1138	bss = cfg80211_inform_bss(wiphy: ar->wiphy, rx_channel: channel,
1139	ftype: bih->frame_type == BEACON_FTYPE ?
1140	CFG80211_BSS_FTYPE_BEACON :
1141	CFG80211_BSS_FTYPE_PRESP,
1142	bssid: bih->bssid, tsf: get_unaligned_le64(p: (__le64 *)buf),
1143	capability: get_unaligned_le16(p: ((__le16 *)buf) + 5),
1144	beacon_interval: get_unaligned_le16(p: ((__le16 *)buf) + 4),
1145	ie: buf + 8 + 2 + 2, ielen: len - 8 - 2 - 2,
1146	signal: (bih->snr - 95) * 100, GFP_ATOMIC);
1147	if (bss == NULL)
1148	return -ENOMEM;
1149	cfg80211_put_bss(wiphy: ar->wiphy, bss);
1150
1151	/*
1152	* Firmware doesn't return any event when scheduled scan has
1153	* finished, so we need to use a timer to find out when there are
1154	* no more results.
1155	*
1156	* The timer is started from the first bss info received, otherwise
1157	* the timer would not ever fire if the scan interval is short
1158	* enough.
1159	*/
1160	if (test_bit(SCHED_SCANNING, &vif->flags) &&
1161	!timer_pending(timer: &vif->sched_scan_timer)) {
1162	mod_timer(timer: &vif->sched_scan_timer, expires: jiffies +
1163	msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1164	}
1165
1166	return 0;
1167	}
1168
1169	/* Inactivity timeout of a fatpipe(pstream) at the target */
1170	static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1171	int len)
1172	{
1173	struct wmi_pstream_timeout_event *ev;
1174
1175	if (len < sizeof(struct wmi_pstream_timeout_event))
1176	return -EINVAL;
1177
1178	ev = (struct wmi_pstream_timeout_event *) datap;
1179	if (ev->traffic_class >= WMM_NUM_AC) {
1180	ath6kl_err(fmt: "invalid traffic class: %d\n", ev->traffic_class);
1181	return -EINVAL;
1182	}
1183
1184	/*
1185	* When the pstream (fat pipe == AC) timesout, it means there were
1186	* no thinStreams within this pstream & it got implicitly created
1187	* due to data flow on this AC. We start the inactivity timer only
1188	* for implicitly created pstream. Just reset the host state.
1189	*/
1190	spin_lock_bh(lock: &wmi->lock);
1191	wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1192	wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1193	spin_unlock_bh(lock: &wmi->lock);
1194
1195	/* Indicate inactivity to driver layer for this fatpipe (pstream) */
1196	ath6kl_indicate_tx_activity(devt: wmi->parent_dev, traffic_class: ev->traffic_class, active: false);
1197
1198	return 0;
1199	}
1200
1201	static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1202	{
1203	struct wmi_bit_rate_reply *reply;
1204	u32 index;
1205
1206	if (len < sizeof(struct wmi_bit_rate_reply))
1207	return -EINVAL;
1208
1209	reply = (struct wmi_bit_rate_reply *) datap;
1210
1211	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "rateindex %d\n", reply->rate_index);
1212
1213	if (reply->rate_index != (s8) RATE_AUTO) {
1214	index = reply->rate_index & 0x7f;
1215	if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1216	return -EINVAL;
1217	}
1218
1219	ath6kl_wakeup_event(dev: wmi->parent_dev);
1220
1221	return 0;
1222	}
1223
1224	static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1225	{
1226	ath6kl_tm_rx_event(ar: wmi->parent_dev, buf: datap, buf_len: len);
1227
1228	return 0;
1229	}
1230
1231	static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1232	{
1233	if (len < sizeof(struct wmi_fix_rates_reply))
1234	return -EINVAL;
1235
1236	ath6kl_wakeup_event(dev: wmi->parent_dev);
1237
1238	return 0;
1239	}
1240
1241	static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1242	{
1243	if (len < sizeof(struct wmi_channel_list_reply))
1244	return -EINVAL;
1245
1246	ath6kl_wakeup_event(dev: wmi->parent_dev);
1247
1248	return 0;
1249	}
1250
1251	static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1252	{
1253	struct wmi_tx_pwr_reply *reply;
1254
1255	if (len < sizeof(struct wmi_tx_pwr_reply))
1256	return -EINVAL;
1257
1258	reply = (struct wmi_tx_pwr_reply *) datap;
1259	ath6kl_txpwr_rx_evt(devt: wmi->parent_dev, tx_pwr: reply->dbM);
1260
1261	return 0;
1262	}
1263
1264	static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1265	{
1266	if (len < sizeof(struct wmi_get_keepalive_cmd))
1267	return -EINVAL;
1268
1269	ath6kl_wakeup_event(dev: wmi->parent_dev);
1270
1271	return 0;
1272	}
1273
1274	static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1275	struct ath6kl_vif *vif)
1276	{
1277	struct wmi_scan_complete_event *ev;
1278
1279	ev = (struct wmi_scan_complete_event *) datap;
1280
1281	ath6kl_scan_complete_evt(vif, status: a_sle32_to_cpu(val: ev->status));
1282	wmi->is_probe_ssid = false;
1283
1284	return 0;
1285	}
1286
1287	static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1288	int len, struct ath6kl_vif *vif)
1289	{
1290	struct wmi_neighbor_report_event *ev;
1291	u8 i;
1292
1293	if (len < sizeof(*ev))
1294	return -EINVAL;
1295	ev = (struct wmi_neighbor_report_event *) datap;
1296	if (struct_size(ev, neighbor, ev->num_neighbors) > len) {
1297	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
1298	fmt: "truncated neighbor event (num=%d len=%d)\n",
1299	ev->num_neighbors, len);
1300	return -EINVAL;
1301	}
1302	for (i = 0; i < ev->num_neighbors; i++) {
1303	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "neighbor %d/%d - %pM 0x%x\n",
1304	i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1305	ev->neighbor[i].bss_flags);
1306	cfg80211_pmksa_candidate_notify(dev: vif->ndev, index: i,
1307	bssid: ev->neighbor[i].bssid,
1308	preauth: !!(ev->neighbor[i].bss_flags &
1309	WMI_PREAUTH_CAPABLE_BSS),
1310	GFP_ATOMIC);
1311	}
1312
1313	return 0;
1314	}
1315
1316	/*
1317	* Target is reporting a programming error. This is for
1318	* developer aid only. Target only checks a few common violations
1319	* and it is responsibility of host to do all error checking.
1320	* Behavior of target after wmi error event is undefined.
1321	* A reset is recommended.
1322	*/
1323	static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1324	{
1325	const char *type = "unknown error";
1326	struct wmi_cmd_error_event *ev;
1327	ev = (struct wmi_cmd_error_event *) datap;
1328
1329	switch (ev->err_code) {
1330	case INVALID_PARAM:
1331	type = "invalid parameter";
1332	break;
1333	case ILLEGAL_STATE:
1334	type = "invalid state";
1335	break;
1336	case INTERNAL_ERROR:
1337	type = "internal error";
1338	break;
1339	}
1340
1341	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "programming error, cmd=%d %s\n",
1342	ev->cmd_id, type);
1343
1344	return 0;
1345	}
1346
1347	static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1348	struct ath6kl_vif *vif)
1349	{
1350	ath6kl_tgt_stats_event(vif, ptr: datap, len);
1351
1352	return 0;
1353	}
1354
1355	static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1356	struct sq_threshold_params *sq_thresh,
1357	u32 size)
1358	{
1359	u32 index;
1360	u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1361
1362	/* The list is already in sorted order. Get the next lower value */
1363	for (index = 0; index < size; index++) {
1364	if (rssi < sq_thresh->upper_threshold[index]) {
1365	threshold = (u8) sq_thresh->upper_threshold[index];
1366	break;
1367	}
1368	}
1369
1370	return threshold;
1371	}
1372
1373	static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1374	struct sq_threshold_params *sq_thresh,
1375	u32 size)
1376	{
1377	u32 index;
1378	u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1379
1380	/* The list is already in sorted order. Get the next lower value */
1381	for (index = 0; index < size; index++) {
1382	if (rssi > sq_thresh->lower_threshold[index]) {
1383	threshold = (u8) sq_thresh->lower_threshold[index];
1384	break;
1385	}
1386	}
1387
1388	return threshold;
1389	}
1390
1391	static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1392	struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1393	{
1394	struct sk_buff *skb;
1395	struct wmi_rssi_threshold_params_cmd *cmd;
1396
1397	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
1398	if (!skb)
1399	return -ENOMEM;
1400
1401	cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1402	memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1403
1404	return ath6kl_wmi_cmd_send(wmi, if_idx: 0, skb, cmd_id: WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1405	sync_flag: NO_SYNC_WMIFLAG);
1406	}
1407
1408	static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1409	int len)
1410	{
1411	struct wmi_rssi_threshold_event *reply;
1412	struct wmi_rssi_threshold_params_cmd cmd;
1413	struct sq_threshold_params *sq_thresh;
1414	enum wmi_rssi_threshold_val new_threshold;
1415	u8 upper_rssi_threshold, lower_rssi_threshold;
1416	s16 rssi;
1417	int ret;
1418
1419	if (len < sizeof(struct wmi_rssi_threshold_event))
1420	return -EINVAL;
1421
1422	reply = (struct wmi_rssi_threshold_event *) datap;
1423	new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1424	rssi = a_sle16_to_cpu(val: reply->rssi);
1425
1426	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1427
1428	/*
1429	* Identify the threshold breached and communicate that to the app.
1430	* After that install a new set of thresholds based on the signal
1431	* quality reported by the target
1432	*/
1433	if (new_threshold) {
1434	/* Upper threshold breached */
1435	if (rssi < sq_thresh->upper_threshold[0]) {
1436	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
1437	fmt: "spurious upper rssi threshold event: %d\n",
1438	rssi);
1439	} else if ((rssi < sq_thresh->upper_threshold[1]) &&
1440	(rssi >= sq_thresh->upper_threshold[0])) {
1441	new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1442	} else if ((rssi < sq_thresh->upper_threshold[2]) &&
1443	(rssi >= sq_thresh->upper_threshold[1])) {
1444	new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1445	} else if ((rssi < sq_thresh->upper_threshold[3]) &&
1446	(rssi >= sq_thresh->upper_threshold[2])) {
1447	new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1448	} else if ((rssi < sq_thresh->upper_threshold[4]) &&
1449	(rssi >= sq_thresh->upper_threshold[3])) {
1450	new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1451	} else if ((rssi < sq_thresh->upper_threshold[5]) &&
1452	(rssi >= sq_thresh->upper_threshold[4])) {
1453	new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1454	} else if (rssi >= sq_thresh->upper_threshold[5]) {
1455	new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1456	}
1457	} else {
1458	/* Lower threshold breached */
1459	if (rssi > sq_thresh->lower_threshold[0]) {
1460	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
1461	fmt: "spurious lower rssi threshold event: %d %d\n",
1462	rssi, sq_thresh->lower_threshold[0]);
1463	} else if ((rssi > sq_thresh->lower_threshold[1]) &&
1464	(rssi <= sq_thresh->lower_threshold[0])) {
1465	new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1466	} else if ((rssi > sq_thresh->lower_threshold[2]) &&
1467	(rssi <= sq_thresh->lower_threshold[1])) {
1468	new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1469	} else if ((rssi > sq_thresh->lower_threshold[3]) &&
1470	(rssi <= sq_thresh->lower_threshold[2])) {
1471	new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1472	} else if ((rssi > sq_thresh->lower_threshold[4]) &&
1473	(rssi <= sq_thresh->lower_threshold[3])) {
1474	new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1475	} else if ((rssi > sq_thresh->lower_threshold[5]) &&
1476	(rssi <= sq_thresh->lower_threshold[4])) {
1477	new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1478	} else if (rssi <= sq_thresh->lower_threshold[5]) {
1479	new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1480	}
1481	}
1482
1483	/* Calculate and install the next set of thresholds */
1484	lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1485	size: sq_thresh->lower_threshold_valid_count);
1486	upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1487	size: sq_thresh->upper_threshold_valid_count);
1488
1489	/* Issue a wmi command to install the thresholds */
1490	cmd.thresh_above1_val = a_cpu_to_sle16(val: upper_rssi_threshold);
1491	cmd.thresh_below1_val = a_cpu_to_sle16(val: lower_rssi_threshold);
1492	cmd.weight = sq_thresh->weight;
1493	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1494
1495	ret = ath6kl_wmi_send_rssi_threshold_params(wmi, rssi_cmd: &cmd);
1496	if (ret) {
1497	ath6kl_err(fmt: "unable to configure rssi thresholds\n");
1498	return -EIO;
1499	}
1500
1501	return 0;
1502	}
1503
1504	static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1505	struct ath6kl_vif *vif)
1506	{
1507	struct wmi_cac_event *reply;
1508	struct ieee80211_tspec_ie *ts;
1509	u16 active_tsids, tsinfo;
1510	u8 tsid, index;
1511	u8 ts_id;
1512
1513	if (len < sizeof(struct wmi_cac_event))
1514	return -EINVAL;
1515
1516	reply = (struct wmi_cac_event *) datap;
1517	if (reply->ac >= WMM_NUM_AC) {
1518	ath6kl_err(fmt: "invalid AC: %d\n", reply->ac);
1519	return -EINVAL;
1520	}
1521
1522	if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1523	(reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1524	ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1525	tsinfo = le16_to_cpu(ts->tsinfo);
1526	tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1527	IEEE80211_WMM_IE_TSPEC_TID_MASK;
1528
1529	ath6kl_wmi_delete_pstream_cmd(wmi, if_idx: vif->fw_vif_idx,
1530	traffic_class: reply->ac, tsid);
1531	} else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1532	/*
1533	* Following assumes that there is only one outstanding
1534	* ADDTS request when this event is received
1535	*/
1536	spin_lock_bh(lock: &wmi->lock);
1537	active_tsids = wmi->stream_exist_for_ac[reply->ac];
1538	spin_unlock_bh(lock: &wmi->lock);
1539
1540	for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1541	if ((active_tsids >> index) & 1)
1542	break;
1543	}
1544	if (index < (sizeof(active_tsids) * 8))
1545	ath6kl_wmi_delete_pstream_cmd(wmi, if_idx: vif->fw_vif_idx,
1546	traffic_class: reply->ac, tsid: index);
1547	}
1548
1549	/*
1550	* Clear active tsids and Add missing handling
1551	* for delete qos stream from AP
1552	*/
1553	else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1554	ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1555	tsinfo = le16_to_cpu(ts->tsinfo);
1556	ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1557	IEEE80211_WMM_IE_TSPEC_TID_MASK);
1558
1559	spin_lock_bh(lock: &wmi->lock);
1560	wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1561	active_tsids = wmi->stream_exist_for_ac[reply->ac];
1562	spin_unlock_bh(lock: &wmi->lock);
1563
1564	/* Indicate stream inactivity to driver layer only if all tsids
1565	* within this AC are deleted.
1566	*/
1567	if (!active_tsids) {
1568	ath6kl_indicate_tx_activity(devt: wmi->parent_dev, traffic_class: reply->ac,
1569	active: false);
1570	wmi->fat_pipe_exist &= ~(1 << reply->ac);
1571	}
1572	}
1573
1574	return 0;
1575	}
1576
1577	static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1578	struct ath6kl_vif *vif)
1579	{
1580	struct wmi_txe_notify_event *ev;
1581	u32 rate, pkts;
1582
1583	if (len < sizeof(*ev))
1584	return -EINVAL;
1585
1586	if (vif->nw_type != INFRA_NETWORK ||
1587	!test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
1588	vif->ar->fw_capabilities))
1589	return -EOPNOTSUPP;
1590
1591	if (vif->sme_state != SME_CONNECTED)
1592	return -ENOTCONN;
1593
1594	ev = (struct wmi_txe_notify_event *) datap;
1595	rate = le32_to_cpu(ev->rate);
1596	pkts = le32_to_cpu(ev->pkts);
1597
1598	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "TXE notify event: peer %pM rate %d%% pkts %d intvl %ds\n",
1599	vif->bssid, rate, pkts, vif->txe_intvl);
1600
1601	cfg80211_cqm_txe_notify(dev: vif->ndev, peer: vif->bssid, num_packets: pkts,
1602	rate, intvl: vif->txe_intvl, GFP_KERNEL);
1603
1604	return 0;
1605	}
1606
1607	int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1608	u32 rate, u32 pkts, u32 intvl)
1609	{
1610	struct sk_buff *skb;
1611	struct wmi_txe_notify_cmd *cmd;
1612
1613	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
1614	if (!skb)
1615	return -ENOMEM;
1616
1617	cmd = (struct wmi_txe_notify_cmd *) skb->data;
1618	cmd->rate = cpu_to_le32(rate);
1619	cmd->pkts = cpu_to_le32(pkts);
1620	cmd->intvl = cpu_to_le32(intvl);
1621
1622	return ath6kl_wmi_cmd_send(wmi, if_idx: idx, skb, cmd_id: WMI_SET_TXE_NOTIFY_CMDID,
1623	sync_flag: NO_SYNC_WMIFLAG);
1624	}
1625
1626	int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1627	{
1628	struct sk_buff *skb;
1629	struct wmi_set_rssi_filter_cmd *cmd;
1630	int ret;
1631
1632	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
1633	if (!skb)
1634	return -ENOMEM;
1635
1636	cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1637	cmd->rssi = rssi;
1638
1639	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_RSSI_FILTER_CMDID,
1640	sync_flag: NO_SYNC_WMIFLAG);
1641	return ret;
1642	}
1643
1644	static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1645	struct wmi_snr_threshold_params_cmd *snr_cmd)
1646	{
1647	struct sk_buff *skb;
1648	struct wmi_snr_threshold_params_cmd *cmd;
1649
1650	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
1651	if (!skb)
1652	return -ENOMEM;
1653
1654	cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1655	memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1656
1657	return ath6kl_wmi_cmd_send(wmi, if_idx: 0, skb, cmd_id: WMI_SNR_THRESHOLD_PARAMS_CMDID,
1658	sync_flag: NO_SYNC_WMIFLAG);
1659	}
1660
1661	static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1662	int len)
1663	{
1664	struct wmi_snr_threshold_event *reply;
1665	struct sq_threshold_params *sq_thresh;
1666	struct wmi_snr_threshold_params_cmd cmd;
1667	enum wmi_snr_threshold_val new_threshold;
1668	u8 upper_snr_threshold, lower_snr_threshold;
1669	s16 snr;
1670	int ret;
1671
1672	if (len < sizeof(struct wmi_snr_threshold_event))
1673	return -EINVAL;
1674
1675	reply = (struct wmi_snr_threshold_event *) datap;
1676
1677	new_threshold = (enum wmi_snr_threshold_val) reply->range;
1678	snr = reply->snr;
1679
1680	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1681
1682	/*
1683	* Identify the threshold breached and communicate that to the app.
1684	* After that install a new set of thresholds based on the signal
1685	* quality reported by the target.
1686	*/
1687	if (new_threshold) {
1688	/* Upper threshold breached */
1689	if (snr < sq_thresh->upper_threshold[0]) {
1690	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
1691	fmt: "spurious upper snr threshold event: %d\n",
1692	snr);
1693	} else if ((snr < sq_thresh->upper_threshold[1]) &&
1694	(snr >= sq_thresh->upper_threshold[0])) {
1695	new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1696	} else if ((snr < sq_thresh->upper_threshold[2]) &&
1697	(snr >= sq_thresh->upper_threshold[1])) {
1698	new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1699	} else if ((snr < sq_thresh->upper_threshold[3]) &&
1700	(snr >= sq_thresh->upper_threshold[2])) {
1701	new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1702	} else if (snr >= sq_thresh->upper_threshold[3]) {
1703	new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1704	}
1705	} else {
1706	/* Lower threshold breached */
1707	if (snr > sq_thresh->lower_threshold[0]) {
1708	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
1709	fmt: "spurious lower snr threshold event: %d\n",
1710	sq_thresh->lower_threshold[0]);
1711	} else if ((snr > sq_thresh->lower_threshold[1]) &&
1712	(snr <= sq_thresh->lower_threshold[0])) {
1713	new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1714	} else if ((snr > sq_thresh->lower_threshold[2]) &&
1715	(snr <= sq_thresh->lower_threshold[1])) {
1716	new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1717	} else if ((snr > sq_thresh->lower_threshold[3]) &&
1718	(snr <= sq_thresh->lower_threshold[2])) {
1719	new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1720	} else if (snr <= sq_thresh->lower_threshold[3]) {
1721	new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1722	}
1723	}
1724
1725	/* Calculate and install the next set of thresholds */
1726	lower_snr_threshold = ath6kl_wmi_get_lower_threshold(rssi: snr, sq_thresh,
1727	size: sq_thresh->lower_threshold_valid_count);
1728	upper_snr_threshold = ath6kl_wmi_get_upper_threshold(rssi: snr, sq_thresh,
1729	size: sq_thresh->upper_threshold_valid_count);
1730
1731	/* Issue a wmi command to install the thresholds */
1732	cmd.thresh_above1_val = upper_snr_threshold;
1733	cmd.thresh_below1_val = lower_snr_threshold;
1734	cmd.weight = sq_thresh->weight;
1735	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1736
1737	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
1738	fmt: "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1739	snr, new_threshold,
1740	lower_snr_threshold, upper_snr_threshold);
1741
1742	ret = ath6kl_wmi_send_snr_threshold_params(wmi, snr_cmd: &cmd);
1743	if (ret) {
1744	ath6kl_err(fmt: "unable to configure snr threshold\n");
1745	return -EIO;
1746	}
1747
1748	return 0;
1749	}
1750
1751	static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1752	{
1753	struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1754	struct wmi_ap_info_v1 *ap_info_v1;
1755	u8 index;
1756
1757	if (len < sizeof(struct wmi_aplist_event) ||
1758	ev->ap_list_ver != APLIST_VER1)
1759	return -EINVAL;
1760
1761	ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1762
1763	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
1764	fmt: "number of APs in aplist event: %d\n", ev->num_ap);
1765
1766	if (len < struct_size(ev, ap_list, ev->num_ap))
1767	return -EINVAL;
1768
1769	/* AP list version 1 contents */
1770	for (index = 0; index < ev->num_ap; index++) {
1771	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "AP#%d BSSID %pM Channel %d\n",
1772	index, ap_info_v1->bssid, ap_info_v1->channel);
1773	ap_info_v1++;
1774	}
1775
1776	return 0;
1777	}
1778
1779	int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1780	enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1781	{
1782	struct wmi_cmd_hdr *cmd_hdr;
1783	enum htc_endpoint_id ep_id = wmi->ep_id;
1784	int ret;
1785	u16 info1;
1786
1787	if (WARN_ON(skb == NULL ||
1788	(if_idx > (wmi->parent_dev->vif_max - 1)))) {
1789	dev_kfree_skb(skb);
1790	return -EINVAL;
1791	}
1792
1793	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "wmi tx id %d len %d flag %d\n",
1794	cmd_id, skb->len, sync_flag);
1795	ath6kl_dbg_dump(mask: ATH6KL_DBG_WMI_DUMP, NULL, prefix: "wmi tx ",
1796	buf: skb->data, len: skb->len);
1797
1798	if (sync_flag >= END_WMIFLAG) {
1799	dev_kfree_skb(skb);
1800	return -EINVAL;
1801	}
1802
1803	if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1804	(sync_flag == SYNC_BOTH_WMIFLAG)) {
1805	/*
1806	* Make sure all data currently queued is transmitted before
1807	* the cmd execution. Establish a new sync point.
1808	*/
1809	ath6kl_wmi_sync_point(wmi, if_idx);
1810	}
1811
1812	skb_push(skb, len: sizeof(struct wmi_cmd_hdr));
1813
1814	cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1815	cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1816	info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1817	cmd_hdr->info1 = cpu_to_le16(info1);
1818
1819	/* Only for OPT_TX_CMD, use BE endpoint. */
1820	if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1821	ret = ath6kl_wmi_data_hdr_add(wmi, skb, msg_type: OPT_MSGTYPE, flags: false,
1822	data_type: WMI_DATA_HDR_DATA_TYPE_802_3, meta_ver: 0, NULL, if_idx);
1823	if (ret) {
1824	dev_kfree_skb(skb);
1825	return ret;
1826	}
1827	ep_id = ath6kl_ac2_endpoint_id(devt: wmi->parent_dev, WMM_AC_BE);
1828	}
1829
1830	ath6kl_control_tx(devt: wmi->parent_dev, skb, eid: ep_id);
1831
1832	if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1833	(sync_flag == SYNC_BOTH_WMIFLAG)) {
1834	/*
1835	* Make sure all new data queued waits for the command to
1836	* execute. Establish a new sync point.
1837	*/
1838	ath6kl_wmi_sync_point(wmi, if_idx);
1839	}
1840
1841	return 0;
1842	}
1843
1844	int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1845	enum network_type nw_type,
1846	enum dot11_auth_mode dot11_auth_mode,
1847	enum auth_mode auth_mode,
1848	enum ath6kl_crypto_type pairwise_crypto,
1849	u8 pairwise_crypto_len,
1850	enum ath6kl_crypto_type group_crypto,
1851	u8 group_crypto_len, int ssid_len, u8 *ssid,
1852	u8 *bssid, u16 channel, u32 ctrl_flags,
1853	u8 nw_subtype)
1854	{
1855	struct sk_buff *skb;
1856	struct wmi_connect_cmd *cc;
1857	int ret;
1858
1859	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
1860	fmt: "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1861	"type %d dot11_auth %d auth %d pairwise %d group %d\n",
1862	bssid, channel, ctrl_flags, ssid_len, nw_type,
1863	dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1864	ath6kl_dbg_dump(mask: ATH6KL_DBG_WMI, NULL, prefix: "ssid ", buf: ssid, len: ssid_len);
1865
1866	wmi->traffic_class = 100;
1867
1868	if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1869	return -EINVAL;
1870
1871	if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1872	return -EINVAL;
1873
1874	skb = ath6kl_wmi_get_new_buf(size: sizeof(struct wmi_connect_cmd));
1875	if (!skb)
1876	return -ENOMEM;
1877
1878	cc = (struct wmi_connect_cmd *) skb->data;
1879
1880	if (ssid_len)
1881	memcpy(cc->ssid, ssid, ssid_len);
1882
1883	cc->ssid_len = ssid_len;
1884	cc->nw_type = nw_type;
1885	cc->dot11_auth_mode = dot11_auth_mode;
1886	cc->auth_mode = auth_mode;
1887	cc->prwise_crypto_type = pairwise_crypto;
1888	cc->prwise_crypto_len = pairwise_crypto_len;
1889	cc->grp_crypto_type = group_crypto;
1890	cc->grp_crypto_len = group_crypto_len;
1891	cc->ch = cpu_to_le16(channel);
1892	cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1893	cc->nw_subtype = nw_subtype;
1894
1895	if (bssid != NULL)
1896	memcpy(cc->bssid, bssid, ETH_ALEN);
1897
1898	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_CONNECT_CMDID,
1899	sync_flag: NO_SYNC_WMIFLAG);
1900
1901	return ret;
1902	}
1903
1904	int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1905	u16 channel)
1906	{
1907	struct sk_buff *skb;
1908	struct wmi_reconnect_cmd *cc;
1909	int ret;
1910
1911	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "wmi reconnect bssid %pM freq %d\n",
1912	bssid, channel);
1913
1914	wmi->traffic_class = 100;
1915
1916	skb = ath6kl_wmi_get_new_buf(size: sizeof(struct wmi_reconnect_cmd));
1917	if (!skb)
1918	return -ENOMEM;
1919
1920	cc = (struct wmi_reconnect_cmd *) skb->data;
1921	cc->channel = cpu_to_le16(channel);
1922
1923	if (bssid != NULL)
1924	memcpy(cc->bssid, bssid, ETH_ALEN);
1925
1926	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_RECONNECT_CMDID,
1927	sync_flag: NO_SYNC_WMIFLAG);
1928
1929	return ret;
1930	}
1931
1932	int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1933	{
1934	int ret;
1935
1936	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "wmi disconnect\n");
1937
1938	wmi->traffic_class = 100;
1939
1940	/* Disconnect command does not need to do a SYNC before. */
1941	ret = ath6kl_wmi_simple_cmd(wmi, if_idx, cmd_id: WMI_DISCONNECT_CMDID);
1942
1943	return ret;
1944	}
1945
1946	/* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1947	* ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1948	* mgmt operations using station interface.
1949	*/
1950	static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1951	enum wmi_scan_type scan_type,
1952	u32 force_fgscan, u32 is_legacy,
1953	u32 home_dwell_time,
1954	u32 force_scan_interval,
1955	s8 num_chan, u16 *ch_list)
1956	{
1957	struct sk_buff *skb;
1958	struct wmi_start_scan_cmd *sc;
1959	int i, ret;
1960
1961	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1962	return -EINVAL;
1963
1964	if (num_chan > WMI_MAX_CHANNELS)
1965	return -EINVAL;
1966
1967	skb = ath6kl_wmi_get_new_buf(struct_size(sc, ch_list, num_chan));
1968	if (!skb)
1969	return -ENOMEM;
1970
1971	sc = (struct wmi_start_scan_cmd *) skb->data;
1972	sc->scan_type = scan_type;
1973	sc->force_fg_scan = cpu_to_le32(force_fgscan);
1974	sc->is_legacy = cpu_to_le32(is_legacy);
1975	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1976	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1977	sc->num_ch = num_chan;
1978
1979	for (i = 0; i < num_chan; i++)
1980	sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1981
1982	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_START_SCAN_CMDID,
1983	sync_flag: NO_SYNC_WMIFLAG);
1984
1985	return ret;
1986	}
1987
1988	/*
1989	* beginscan supports (compared to old startscan) P2P mgmt operations using
1990	* station interface, send additional information like supported rates to
1991	* advertise and xmit rates for probe requests
1992	*/
1993	int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1994	enum wmi_scan_type scan_type,
1995	u32 force_fgscan, u32 is_legacy,
1996	u32 home_dwell_time, u32 force_scan_interval,
1997	s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1998	{
1999	struct ieee80211_supported_band *sband;
2000	struct sk_buff *skb;
2001	struct wmi_begin_scan_cmd *sc;
2002	s8 *supp_rates;
2003	int i, band, ret;
2004	struct ath6kl *ar = wmi->parent_dev;
2005	int num_rates;
2006	u32 ratemask;
2007
2008	if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2009	ar->fw_capabilities)) {
2010	return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2011	scan_type, force_fgscan,
2012	is_legacy, home_dwell_time,
2013	force_scan_interval,
2014	num_chan, ch_list);
2015	}
2016
2017	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2018	return -EINVAL;
2019
2020	if (num_chan > WMI_MAX_CHANNELS)
2021	return -EINVAL;
2022
2023	skb = ath6kl_wmi_get_new_buf(struct_size(sc, ch_list, num_chan));
2024	if (!skb)
2025	return -ENOMEM;
2026
2027	sc = (struct wmi_begin_scan_cmd *) skb->data;
2028	sc->scan_type = scan_type;
2029	sc->force_fg_scan = cpu_to_le32(force_fgscan);
2030	sc->is_legacy = cpu_to_le32(is_legacy);
2031	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2032	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2033	sc->no_cck = cpu_to_le32(no_cck);
2034	sc->num_ch = num_chan;
2035
2036	for (band = 0; band < NUM_NL80211_BANDS; band++) {
2037	sband = ar->wiphy->bands[band];
2038
2039	if (!sband)
2040	continue;
2041
2042	if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2043	break;
2044
2045	ratemask = rates[band];
2046	supp_rates = sc->supp_rates[band].rates;
2047	num_rates = 0;
2048
2049	for (i = 0; i < sband->n_bitrates; i++) {
2050	if ((BIT(i) & ratemask) == 0)
2051	continue; /* skip rate */
2052	supp_rates[num_rates++] =
2053	(u8) (sband->bitrates[i].bitrate / 5);
2054	}
2055	sc->supp_rates[band].nrates = num_rates;
2056	}
2057
2058	for (i = 0; i < num_chan; i++)
2059	sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2060
2061	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_BEGIN_SCAN_CMDID,
2062	sync_flag: NO_SYNC_WMIFLAG);
2063
2064	return ret;
2065	}
2066
2067	int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2068	{
2069	struct sk_buff *skb;
2070	struct wmi_enable_sched_scan_cmd *sc;
2071	int ret;
2072
2073	skb = ath6kl_wmi_get_new_buf(size: sizeof(*sc));
2074	if (!skb)
2075	return -ENOMEM;
2076
2077	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "%s scheduled scan on vif %d\n",
2078	enable ? "enabling" : "disabling", if_idx);
2079	sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2080	sc->enable = enable ? 1 : 0;
2081
2082	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2083	cmd_id: WMI_ENABLE_SCHED_SCAN_CMDID,
2084	sync_flag: NO_SYNC_WMIFLAG);
2085	return ret;
2086	}
2087
2088	int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2089	u16 fg_start_sec,
2090	u16 fg_end_sec, u16 bg_sec,
2091	u16 minact_chdw_msec, u16 maxact_chdw_msec,
2092	u16 pas_chdw_msec, u8 short_scan_ratio,
2093	u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2094	u16 maxact_scan_per_ssid)
2095	{
2096	struct sk_buff *skb;
2097	struct wmi_scan_params_cmd *sc;
2098	int ret;
2099
2100	skb = ath6kl_wmi_get_new_buf(size: sizeof(*sc));
2101	if (!skb)
2102	return -ENOMEM;
2103
2104	sc = (struct wmi_scan_params_cmd *) skb->data;
2105	sc->fg_start_period = cpu_to_le16(fg_start_sec);
2106	sc->fg_end_period = cpu_to_le16(fg_end_sec);
2107	sc->bg_period = cpu_to_le16(bg_sec);
2108	sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2109	sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2110	sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2111	sc->short_scan_ratio = short_scan_ratio;
2112	sc->scan_ctrl_flags = scan_ctrl_flag;
2113	sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2114	sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2115
2116	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_SCAN_PARAMS_CMDID,
2117	sync_flag: NO_SYNC_WMIFLAG);
2118	return ret;
2119	}
2120
2121	int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2122	{
2123	struct sk_buff *skb;
2124	struct wmi_bss_filter_cmd *cmd;
2125	int ret;
2126
2127	if (filter >= LAST_BSS_FILTER)
2128	return -EINVAL;
2129
2130	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2131	if (!skb)
2132	return -ENOMEM;
2133
2134	cmd = (struct wmi_bss_filter_cmd *) skb->data;
2135	cmd->bss_filter = filter;
2136	cmd->ie_mask = cpu_to_le32(ie_mask);
2137
2138	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_BSS_FILTER_CMDID,
2139	sync_flag: NO_SYNC_WMIFLAG);
2140	return ret;
2141	}
2142
2143	int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2144	u8 ssid_len, u8 *ssid)
2145	{
2146	struct sk_buff *skb;
2147	struct wmi_probed_ssid_cmd *cmd;
2148	int ret;
2149
2150	if (index >= MAX_PROBED_SSIDS)
2151	return -EINVAL;
2152
2153	if (ssid_len > sizeof(cmd->ssid))
2154	return -EINVAL;
2155
2156	if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2157	return -EINVAL;
2158
2159	if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2160	return -EINVAL;
2161
2162	if (flag & SPECIFIC_SSID_FLAG)
2163	wmi->is_probe_ssid = true;
2164
2165	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2166	if (!skb)
2167	return -ENOMEM;
2168
2169	cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2170	cmd->entry_index = index;
2171	cmd->flag = flag;
2172	cmd->ssid_len = ssid_len;
2173	memcpy(cmd->ssid, ssid, ssid_len);
2174
2175	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_PROBED_SSID_CMDID,
2176	sync_flag: NO_SYNC_WMIFLAG);
2177	return ret;
2178	}
2179
2180	int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2181	u16 listen_interval,
2182	u16 listen_beacons)
2183	{
2184	struct sk_buff *skb;
2185	struct wmi_listen_int_cmd *cmd;
2186	int ret;
2187
2188	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2189	if (!skb)
2190	return -ENOMEM;
2191
2192	cmd = (struct wmi_listen_int_cmd *) skb->data;
2193	cmd->listen_intvl = cpu_to_le16(listen_interval);
2194	cmd->num_beacons = cpu_to_le16(listen_beacons);
2195
2196	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_LISTEN_INT_CMDID,
2197	sync_flag: NO_SYNC_WMIFLAG);
2198	return ret;
2199	}
2200
2201	int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2202	u16 bmiss_time, u16 num_beacons)
2203	{
2204	struct sk_buff *skb;
2205	struct wmi_bmiss_time_cmd *cmd;
2206	int ret;
2207
2208	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2209	if (!skb)
2210	return -ENOMEM;
2211
2212	cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2213	cmd->bmiss_time = cpu_to_le16(bmiss_time);
2214	cmd->num_beacons = cpu_to_le16(num_beacons);
2215
2216	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_BMISS_TIME_CMDID,
2217	sync_flag: NO_SYNC_WMIFLAG);
2218	return ret;
2219	}
2220
2221	int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2222	{
2223	struct sk_buff *skb;
2224	struct wmi_power_mode_cmd *cmd;
2225	int ret;
2226
2227	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2228	if (!skb)
2229	return -ENOMEM;
2230
2231	cmd = (struct wmi_power_mode_cmd *) skb->data;
2232	cmd->pwr_mode = pwr_mode;
2233	wmi->pwr_mode = pwr_mode;
2234
2235	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_POWER_MODE_CMDID,
2236	sync_flag: NO_SYNC_WMIFLAG);
2237	return ret;
2238	}
2239
2240	int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2241	u16 ps_poll_num, u16 dtim_policy,
2242	u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2243	u16 ps_fail_event_policy)
2244	{
2245	struct sk_buff *skb;
2246	struct wmi_power_params_cmd *pm;
2247	int ret;
2248
2249	skb = ath6kl_wmi_get_new_buf(size: sizeof(*pm));
2250	if (!skb)
2251	return -ENOMEM;
2252
2253	pm = (struct wmi_power_params_cmd *)skb->data;
2254	pm->idle_period = cpu_to_le16(idle_period);
2255	pm->pspoll_number = cpu_to_le16(ps_poll_num);
2256	pm->dtim_policy = cpu_to_le16(dtim_policy);
2257	pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2258	pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2259	pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2260
2261	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_POWER_PARAMS_CMDID,
2262	sync_flag: NO_SYNC_WMIFLAG);
2263	return ret;
2264	}
2265
2266	int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2267	{
2268	struct sk_buff *skb;
2269	struct wmi_disc_timeout_cmd *cmd;
2270	int ret;
2271
2272	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2273	if (!skb)
2274	return -ENOMEM;
2275
2276	cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2277	cmd->discon_timeout = timeout;
2278
2279	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_DISC_TIMEOUT_CMDID,
2280	sync_flag: NO_SYNC_WMIFLAG);
2281
2282	if (ret == 0)
2283	ath6kl_debug_set_disconnect_timeout(ar: wmi->parent_dev, timeout);
2284
2285	return ret;
2286	}
2287
2288	int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2289	enum ath6kl_crypto_type key_type,
2290	u8 key_usage, u8 key_len,
2291	u8 *key_rsc, unsigned int key_rsc_len,
2292	u8 *key_material,
2293	u8 key_op_ctrl, u8 *mac_addr,
2294	enum wmi_sync_flag sync_flag)
2295	{
2296	struct sk_buff *skb;
2297	struct wmi_add_cipher_key_cmd *cmd;
2298	int ret;
2299
2300	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
2301	fmt: "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2302	key_index, key_type, key_usage, key_len, key_op_ctrl);
2303
2304	if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2305	(key_material == NULL) || key_rsc_len > 8)
2306	return -EINVAL;
2307
2308	if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2309	return -EINVAL;
2310
2311	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2312	if (!skb)
2313	return -ENOMEM;
2314
2315	cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2316	cmd->key_index = key_index;
2317	cmd->key_type = key_type;
2318	cmd->key_usage = key_usage;
2319	cmd->key_len = key_len;
2320	memcpy(cmd->key, key_material, key_len);
2321
2322	if (key_rsc != NULL)
2323	memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2324
2325	cmd->key_op_ctrl = key_op_ctrl;
2326
2327	if (mac_addr)
2328	memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2329
2330	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_ADD_CIPHER_KEY_CMDID,
2331	sync_flag);
2332
2333	return ret;
2334	}
2335
2336	int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2337	{
2338	struct sk_buff *skb;
2339	struct wmi_add_krk_cmd *cmd;
2340	int ret;
2341
2342	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2343	if (!skb)
2344	return -ENOMEM;
2345
2346	cmd = (struct wmi_add_krk_cmd *) skb->data;
2347	memcpy(cmd->krk, krk, WMI_KRK_LEN);
2348
2349	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_ADD_KRK_CMDID,
2350	sync_flag: NO_SYNC_WMIFLAG);
2351
2352	return ret;
2353	}
2354
2355	int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2356	{
2357	struct sk_buff *skb;
2358	struct wmi_delete_cipher_key_cmd *cmd;
2359	int ret;
2360
2361	if (key_index > WMI_MAX_KEY_INDEX)
2362	return -EINVAL;
2363
2364	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2365	if (!skb)
2366	return -ENOMEM;
2367
2368	cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2369	cmd->key_index = key_index;
2370
2371	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_DELETE_CIPHER_KEY_CMDID,
2372	sync_flag: NO_SYNC_WMIFLAG);
2373
2374	return ret;
2375	}
2376
2377	int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2378	const u8 *pmkid, bool set)
2379	{
2380	struct sk_buff *skb;
2381	struct wmi_setpmkid_cmd *cmd;
2382	int ret;
2383
2384	if (bssid == NULL)
2385	return -EINVAL;
2386
2387	if (set && pmkid == NULL)
2388	return -EINVAL;
2389
2390	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2391	if (!skb)
2392	return -ENOMEM;
2393
2394	cmd = (struct wmi_setpmkid_cmd *) skb->data;
2395	memcpy(cmd->bssid, bssid, ETH_ALEN);
2396	if (set) {
2397	memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2398	cmd->enable = PMKID_ENABLE;
2399	} else {
2400	memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2401	cmd->enable = PMKID_DISABLE;
2402	}
2403
2404	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_PMKID_CMDID,
2405	sync_flag: NO_SYNC_WMIFLAG);
2406
2407	return ret;
2408	}
2409
2410	static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2411	enum htc_endpoint_id ep_id, u8 if_idx)
2412	{
2413	struct wmi_data_hdr *data_hdr;
2414	int ret;
2415
2416	if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2417	dev_kfree_skb(skb);
2418	return -EINVAL;
2419	}
2420
2421	skb_push(skb, len: sizeof(struct wmi_data_hdr));
2422
2423	data_hdr = (struct wmi_data_hdr *) skb->data;
2424	data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2425	data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2426
2427	ret = ath6kl_control_tx(devt: wmi->parent_dev, skb, eid: ep_id);
2428
2429	return ret;
2430	}
2431
2432	static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2433	{
2434	struct sk_buff *skb;
2435	struct wmi_sync_cmd *cmd;
2436	struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2437	enum htc_endpoint_id ep_id;
2438	u8 index, num_pri_streams = 0;
2439	int ret = 0;
2440
2441	memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2442
2443	spin_lock_bh(lock: &wmi->lock);
2444
2445	for (index = 0; index < WMM_NUM_AC; index++) {
2446	if (wmi->fat_pipe_exist & (1 << index)) {
2447	num_pri_streams++;
2448	data_sync_bufs[num_pri_streams - 1].traffic_class =
2449	index;
2450	}
2451	}
2452
2453	spin_unlock_bh(lock: &wmi->lock);
2454
2455	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2456	if (!skb)
2457	return -ENOMEM;
2458
2459	cmd = (struct wmi_sync_cmd *) skb->data;
2460
2461	/*
2462	* In the SYNC cmd sent on the control Ep, send a bitmap
2463	* of the data eps on which the Data Sync will be sent
2464	*/
2465	cmd->data_sync_map = wmi->fat_pipe_exist;
2466
2467	for (index = 0; index < num_pri_streams; index++) {
2468	data_sync_bufs[index].skb = ath6kl_buf_alloc(size: 0);
2469	if (data_sync_bufs[index].skb == NULL) {
2470	ret = -ENOMEM;
2471	break;
2472	}
2473	}
2474
2475	/*
2476	* If buffer allocation for any of the dataSync fails,
2477	* then do not send the Synchronize cmd on the control ep
2478	*/
2479	if (ret)
2480	goto free_cmd_skb;
2481
2482	/*
2483	* Send sync cmd followed by sync data messages on all
2484	* endpoints being used
2485	*/
2486	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SYNCHRONIZE_CMDID,
2487	sync_flag: NO_SYNC_WMIFLAG);
2488
2489	if (ret)
2490	goto free_data_skb;
2491
2492	for (index = 0; index < num_pri_streams; index++) {
2493	if (WARN_ON(!data_sync_bufs[index].skb)) {
2494	ret = -ENOMEM;
2495	goto free_data_skb;
2496	}
2497
2498	ep_id = ath6kl_ac2_endpoint_id(devt: wmi->parent_dev,
2499	ac: data_sync_bufs[index].
2500	traffic_class);
2501	ret =
2502	ath6kl_wmi_data_sync_send(wmi, skb: data_sync_bufs[index].skb,
2503	ep_id, if_idx);
2504
2505	data_sync_bufs[index].skb = NULL;
2506
2507	if (ret)
2508	goto free_data_skb;
2509	}
2510
2511	return 0;
2512
2513	free_cmd_skb:
2514	/* free up any resources left over (possibly due to an error) */
2515	dev_kfree_skb(skb);
2516
2517	free_data_skb:
2518	for (index = 0; index < num_pri_streams; index++)
2519	dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2520
2521	return ret;
2522	}
2523
2524	int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2525	struct wmi_create_pstream_cmd *params)
2526	{
2527	struct sk_buff *skb;
2528	struct wmi_create_pstream_cmd *cmd;
2529	u8 fatpipe_exist_for_ac = 0;
2530	s32 min_phy = 0;
2531	s32 nominal_phy = 0;
2532	int ret;
2533
2534	if (!((params->user_pri <= 0x7) &&
2535	(up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2536	(params->traffic_direc == UPLINK_TRAFFIC ||
2537	params->traffic_direc == DNLINK_TRAFFIC ||
2538	params->traffic_direc == BIDIR_TRAFFIC) &&
2539	(params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2540	params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2541	(params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2542	params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2543	params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2544	(params->tsid == WMI_IMPLICIT_PSTREAM ||
2545	params->tsid <= WMI_MAX_THINSTREAM))) {
2546	return -EINVAL;
2547	}
2548
2549	/*
2550	* Check nominal PHY rate is >= minimalPHY,
2551	* so that DUT can allow TSRS IE
2552	*/
2553
2554	/* Get the physical rate (units of bps) */
2555	min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2556
2557	/* Check minimal phy < nominal phy rate */
2558	if (params->nominal_phy >= min_phy) {
2559	/* unit of 500 kbps */
2560	nominal_phy = (params->nominal_phy * 1000) / 500;
2561	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
2562	fmt: "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2563	min_phy, nominal_phy);
2564
2565	params->nominal_phy = nominal_phy;
2566	} else {
2567	params->nominal_phy = 0;
2568	}
2569
2570	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2571	if (!skb)
2572	return -ENOMEM;
2573
2574	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
2575	fmt: "sending create_pstream_cmd: ac=%d tsid:%d\n",
2576	params->traffic_class, params->tsid);
2577
2578	cmd = (struct wmi_create_pstream_cmd *) skb->data;
2579	memcpy(cmd, params, sizeof(*cmd));
2580
2581	/* This is an implicitly created Fat pipe */
2582	if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2583	spin_lock_bh(lock: &wmi->lock);
2584	fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2585	(1 << params->traffic_class));
2586	wmi->fat_pipe_exist |= (1 << params->traffic_class);
2587	spin_unlock_bh(lock: &wmi->lock);
2588	} else {
2589	/* explicitly created thin stream within a fat pipe */
2590	spin_lock_bh(lock: &wmi->lock);
2591	fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2592	(1 << params->traffic_class));
2593	wmi->stream_exist_for_ac[params->traffic_class] |=
2594	(1 << params->tsid);
2595	/*
2596	* If a thinstream becomes active, the fat pipe automatically
2597	* becomes active
2598	*/
2599	wmi->fat_pipe_exist |= (1 << params->traffic_class);
2600	spin_unlock_bh(lock: &wmi->lock);
2601	}
2602
2603	/*
2604	* Indicate activty change to driver layer only if this is the
2605	* first TSID to get created in this AC explicitly or an implicit
2606	* fat pipe is getting created.
2607	*/
2608	if (!fatpipe_exist_for_ac)
2609	ath6kl_indicate_tx_activity(devt: wmi->parent_dev,
2610	traffic_class: params->traffic_class, active: true);
2611
2612	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_CREATE_PSTREAM_CMDID,
2613	sync_flag: NO_SYNC_WMIFLAG);
2614	return ret;
2615	}
2616
2617	int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2618	u8 tsid)
2619	{
2620	struct sk_buff *skb;
2621	struct wmi_delete_pstream_cmd *cmd;
2622	u16 active_tsids = 0;
2623	int ret;
2624
2625	if (traffic_class >= WMM_NUM_AC) {
2626	ath6kl_err(fmt: "invalid traffic class: %d\n", traffic_class);
2627	return -EINVAL;
2628	}
2629
2630	if (tsid >= 16) {
2631	ath6kl_err(fmt: "invalid tsid: %d\n", tsid);
2632	return -EINVAL;
2633	}
2634
2635	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2636	if (!skb)
2637	return -ENOMEM;
2638
2639	cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2640	cmd->traffic_class = traffic_class;
2641	cmd->tsid = tsid;
2642
2643	spin_lock_bh(lock: &wmi->lock);
2644	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2645	spin_unlock_bh(lock: &wmi->lock);
2646
2647	if (!(active_tsids & (1 << tsid))) {
2648	dev_kfree_skb(skb);
2649	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
2650	fmt: "TSID %d doesn't exist for traffic class: %d\n",
2651	tsid, traffic_class);
2652	return -ENODATA;
2653	}
2654
2655	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
2656	fmt: "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2657	traffic_class, tsid);
2658
2659	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_DELETE_PSTREAM_CMDID,
2660	sync_flag: SYNC_BEFORE_WMIFLAG);
2661
2662	spin_lock_bh(lock: &wmi->lock);
2663	wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2664	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2665	spin_unlock_bh(lock: &wmi->lock);
2666
2667	/*
2668	* Indicate stream inactivity to driver layer only if all tsids
2669	* within this AC are deleted.
2670	*/
2671	if (!active_tsids) {
2672	ath6kl_indicate_tx_activity(devt: wmi->parent_dev,
2673	traffic_class, active: false);
2674	wmi->fat_pipe_exist &= ~(1 << traffic_class);
2675	}
2676
2677	return ret;
2678	}
2679
2680	int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2681	__be32 ips0, __be32 ips1)
2682	{
2683	struct sk_buff *skb;
2684	struct wmi_set_ip_cmd *cmd;
2685	int ret;
2686
2687	/* Multicast address are not valid */
2688	if (ipv4_is_multicast(addr: ips0) ||
2689	ipv4_is_multicast(addr: ips1))
2690	return -EINVAL;
2691
2692	skb = ath6kl_wmi_get_new_buf(size: sizeof(struct wmi_set_ip_cmd));
2693	if (!skb)
2694	return -ENOMEM;
2695
2696	cmd = (struct wmi_set_ip_cmd *) skb->data;
2697	cmd->ips[0] = ips0;
2698	cmd->ips[1] = ips1;
2699
2700	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_IP_CMDID,
2701	sync_flag: NO_SYNC_WMIFLAG);
2702	return ret;
2703	}
2704
2705	static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2706	{
2707	u16 active_tsids;
2708	u8 stream_exist;
2709	int i;
2710
2711	/*
2712	* Relinquish credits from all implicitly created pstreams
2713	* since when we go to sleep. If user created explicit
2714	* thinstreams exists with in a fatpipe leave them intact
2715	* for the user to delete.
2716	*/
2717	spin_lock_bh(lock: &wmi->lock);
2718	stream_exist = wmi->fat_pipe_exist;
2719	spin_unlock_bh(lock: &wmi->lock);
2720
2721	for (i = 0; i < WMM_NUM_AC; i++) {
2722	if (stream_exist & (1 << i)) {
2723	/*
2724	* FIXME: Is this lock & unlock inside
2725	* for loop correct? may need rework.
2726	*/
2727	spin_lock_bh(lock: &wmi->lock);
2728	active_tsids = wmi->stream_exist_for_ac[i];
2729	spin_unlock_bh(lock: &wmi->lock);
2730
2731	/*
2732	* If there are no user created thin streams
2733	* delete the fatpipe
2734	*/
2735	if (!active_tsids) {
2736	stream_exist &= ~(1 << i);
2737	/*
2738	* Indicate inactivity to driver layer for
2739	* this fatpipe (pstream)
2740	*/
2741	ath6kl_indicate_tx_activity(devt: wmi->parent_dev,
2742	traffic_class: i, active: false);
2743	}
2744	}
2745	}
2746
2747	/* FIXME: Can we do this assignment without locking ? */
2748	spin_lock_bh(lock: &wmi->lock);
2749	wmi->fat_pipe_exist = stream_exist;
2750	spin_unlock_bh(lock: &wmi->lock);
2751	}
2752
2753	static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2754	const struct cfg80211_bitrate_mask *mask)
2755	{
2756	struct sk_buff *skb;
2757	int ret, mode, band;
2758	u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2759	struct wmi_set_tx_select_rates64_cmd *cmd;
2760
2761	memset(&ratemask, 0, sizeof(ratemask));
2762
2763	/* only check 2.4 and 5 GHz bands, skip the rest */
2764	for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2765	/* copy legacy rate mask */
2766	ratemask[band] = mask->control[band].legacy;
2767	if (band == NL80211_BAND_5GHZ)
2768	ratemask[band] =
2769	mask->control[band].legacy << 4;
2770
2771	/* copy mcs rate mask */
2772	mcsrate = mask->control[band].ht_mcs[1];
2773	mcsrate <<= 8;
2774	mcsrate |= mask->control[band].ht_mcs[0];
2775	ratemask[band] |= mcsrate << 12;
2776	ratemask[band] |= mcsrate << 28;
2777	}
2778
2779	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
2780	fmt: "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2781	ratemask[0], ratemask[1]);
2782
2783	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd) * WMI_RATES_MODE_MAX);
2784	if (!skb)
2785	return -ENOMEM;
2786
2787	cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2788	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2789	/* A mode operate in 5GHZ band */
2790	if (mode == WMI_RATES_MODE_11A ||
2791	mode == WMI_RATES_MODE_11A_HT20 ||
2792	mode == WMI_RATES_MODE_11A_HT40)
2793	band = NL80211_BAND_5GHZ;
2794	else
2795	band = NL80211_BAND_2GHZ;
2796	cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2797	}
2798
2799	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2800	cmd_id: WMI_SET_TX_SELECT_RATES_CMDID,
2801	sync_flag: NO_SYNC_WMIFLAG);
2802	return ret;
2803	}
2804
2805	static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2806	const struct cfg80211_bitrate_mask *mask)
2807	{
2808	struct sk_buff *skb;
2809	int ret, mode, band;
2810	u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2811	struct wmi_set_tx_select_rates32_cmd *cmd;
2812
2813	memset(&ratemask, 0, sizeof(ratemask));
2814
2815	/* only check 2.4 and 5 GHz bands, skip the rest */
2816	for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2817	/* copy legacy rate mask */
2818	ratemask[band] = mask->control[band].legacy;
2819	if (band == NL80211_BAND_5GHZ)
2820	ratemask[band] =
2821	mask->control[band].legacy << 4;
2822
2823	/* copy mcs rate mask */
2824	mcsrate = mask->control[band].ht_mcs[0];
2825	ratemask[band] |= mcsrate << 12;
2826	ratemask[band] |= mcsrate << 20;
2827	}
2828
2829	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
2830	fmt: "Ratemask 32 bit: 2.4:%x 5:%x\n",
2831	ratemask[0], ratemask[1]);
2832
2833	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd) * WMI_RATES_MODE_MAX);
2834	if (!skb)
2835	return -ENOMEM;
2836
2837	cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2838	for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2839	/* A mode operate in 5GHZ band */
2840	if (mode == WMI_RATES_MODE_11A ||
2841	mode == WMI_RATES_MODE_11A_HT20 ||
2842	mode == WMI_RATES_MODE_11A_HT40)
2843	band = NL80211_BAND_5GHZ;
2844	else
2845	band = NL80211_BAND_2GHZ;
2846	cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2847	}
2848
2849	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2850	cmd_id: WMI_SET_TX_SELECT_RATES_CMDID,
2851	sync_flag: NO_SYNC_WMIFLAG);
2852	return ret;
2853	}
2854
2855	int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2856	const struct cfg80211_bitrate_mask *mask)
2857	{
2858	struct ath6kl *ar = wmi->parent_dev;
2859
2860	if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2861	ar->fw_capabilities))
2862	return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2863	else
2864	return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2865	}
2866
2867	int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2868	enum ath6kl_host_mode host_mode)
2869	{
2870	struct sk_buff *skb;
2871	struct wmi_set_host_sleep_mode_cmd *cmd;
2872	int ret;
2873
2874	if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2875	(host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2876	ath6kl_err(fmt: "invalid host sleep mode: %d\n", host_mode);
2877	return -EINVAL;
2878	}
2879
2880	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2881	if (!skb)
2882	return -ENOMEM;
2883
2884	cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2885
2886	if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2887	ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2888	cmd->asleep = cpu_to_le32(1);
2889	} else {
2890	cmd->awake = cpu_to_le32(1);
2891	}
2892
2893	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2894	cmd_id: WMI_SET_HOST_SLEEP_MODE_CMDID,
2895	sync_flag: NO_SYNC_WMIFLAG);
2896	return ret;
2897	}
2898
2899	/* This command has zero length payload */
2900	static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2901	struct ath6kl_vif *vif)
2902	{
2903	struct ath6kl *ar = wmi->parent_dev;
2904
2905	set_bit(nr: HOST_SLEEP_MODE_CMD_PROCESSED, addr: &vif->flags);
2906	wake_up(&ar->event_wq);
2907
2908	return 0;
2909	}
2910
2911	int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2912	enum ath6kl_wow_mode wow_mode,
2913	u32 filter, u16 host_req_delay)
2914	{
2915	struct sk_buff *skb;
2916	struct wmi_set_wow_mode_cmd *cmd;
2917	int ret;
2918
2919	if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2920	wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2921	ath6kl_err(fmt: "invalid wow mode: %d\n", wow_mode);
2922	return -EINVAL;
2923	}
2924
2925	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2926	if (!skb)
2927	return -ENOMEM;
2928
2929	cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2930	cmd->enable_wow = cpu_to_le32(wow_mode);
2931	cmd->filter = cpu_to_le32(filter);
2932	cmd->host_req_delay = cpu_to_le16(host_req_delay);
2933
2934	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_WOW_MODE_CMDID,
2935	sync_flag: NO_SYNC_WMIFLAG);
2936	return ret;
2937	}
2938
2939	int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2940	u8 list_id, u8 filter_size,
2941	u8 filter_offset, const u8 *filter,
2942	const u8 *mask)
2943	{
2944	struct sk_buff *skb;
2945	struct wmi_add_wow_pattern_cmd *cmd;
2946	u16 size;
2947	u8 *filter_mask;
2948	int ret;
2949
2950	/*
2951	* Allocate additional memory in the buffer to hold
2952	* filter and mask value, which is twice of filter_size.
2953	*/
2954	size = sizeof(*cmd) + (2 * filter_size);
2955
2956	skb = ath6kl_wmi_get_new_buf(size);
2957	if (!skb)
2958	return -ENOMEM;
2959
2960	cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2961	cmd->filter_list_id = list_id;
2962	cmd->filter_size = filter_size;
2963	cmd->filter_offset = filter_offset;
2964
2965	memcpy(cmd->filter, filter, filter_size);
2966
2967	filter_mask = (u8 *) (cmd->filter + filter_size);
2968	memcpy(filter_mask, mask, filter_size);
2969
2970	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_ADD_WOW_PATTERN_CMDID,
2971	sync_flag: NO_SYNC_WMIFLAG);
2972
2973	return ret;
2974	}
2975
2976	int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2977	u16 list_id, u16 filter_id)
2978	{
2979	struct sk_buff *skb;
2980	struct wmi_del_wow_pattern_cmd *cmd;
2981	int ret;
2982
2983	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
2984	if (!skb)
2985	return -ENOMEM;
2986
2987	cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2988	cmd->filter_list_id = cpu_to_le16(list_id);
2989	cmd->filter_id = cpu_to_le16(filter_id);
2990
2991	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_DEL_WOW_PATTERN_CMDID,
2992	sync_flag: NO_SYNC_WMIFLAG);
2993	return ret;
2994	}
2995
2996	static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2997	enum wmix_command_id cmd_id,
2998	enum wmi_sync_flag sync_flag)
2999	{
3000	struct wmix_cmd_hdr *cmd_hdr;
3001	int ret;
3002
3003	skb_push(skb, len: sizeof(struct wmix_cmd_hdr));
3004
3005	cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3006	cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3007
3008	ret = ath6kl_wmi_cmd_send(wmi, if_idx: 0, skb, cmd_id: WMI_EXTENSION_CMDID, sync_flag);
3009
3010	return ret;
3011	}
3012
3013	int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3014	{
3015	struct sk_buff *skb;
3016	struct wmix_hb_challenge_resp_cmd *cmd;
3017	int ret;
3018
3019	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3020	if (!skb)
3021	return -ENOMEM;
3022
3023	cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3024	cmd->cookie = cpu_to_le32(cookie);
3025	cmd->source = cpu_to_le32(source);
3026
3027	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, cmd_id: WMIX_HB_CHALLENGE_RESP_CMDID,
3028	sync_flag: NO_SYNC_WMIFLAG);
3029	return ret;
3030	}
3031
3032	int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3033	{
3034	struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3035	struct sk_buff *skb;
3036	int ret;
3037
3038	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3039	if (!skb)
3040	return -ENOMEM;
3041
3042	cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3043	cmd->valid = cpu_to_le32(valid);
3044	cmd->config = cpu_to_le32(config);
3045
3046	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, cmd_id: WMIX_DBGLOG_CFG_MODULE_CMDID,
3047	sync_flag: NO_SYNC_WMIFLAG);
3048	return ret;
3049	}
3050
3051	int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3052	{
3053	return ath6kl_wmi_simple_cmd(wmi, if_idx, cmd_id: WMI_GET_STATISTICS_CMDID);
3054	}
3055
3056	int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3057	{
3058	struct sk_buff *skb;
3059	struct wmi_set_tx_pwr_cmd *cmd;
3060	int ret;
3061
3062	skb = ath6kl_wmi_get_new_buf(size: sizeof(struct wmi_set_tx_pwr_cmd));
3063	if (!skb)
3064	return -ENOMEM;
3065
3066	cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3067	cmd->dbM = dbM;
3068
3069	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_TX_PWR_CMDID,
3070	sync_flag: NO_SYNC_WMIFLAG);
3071
3072	return ret;
3073	}
3074
3075	int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3076	{
3077	return ath6kl_wmi_simple_cmd(wmi, if_idx, cmd_id: WMI_GET_TX_PWR_CMDID);
3078	}
3079
3080	int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3081	{
3082	return ath6kl_wmi_simple_cmd(wmi, if_idx: 0, cmd_id: WMI_GET_ROAM_TBL_CMDID);
3083	}
3084
3085	int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3086	u8 preamble_policy)
3087	{
3088	struct sk_buff *skb;
3089	struct wmi_set_lpreamble_cmd *cmd;
3090	int ret;
3091
3092	skb = ath6kl_wmi_get_new_buf(size: sizeof(struct wmi_set_lpreamble_cmd));
3093	if (!skb)
3094	return -ENOMEM;
3095
3096	cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3097	cmd->status = status;
3098	cmd->preamble_policy = preamble_policy;
3099
3100	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_LPREAMBLE_CMDID,
3101	sync_flag: NO_SYNC_WMIFLAG);
3102	return ret;
3103	}
3104
3105	int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3106	{
3107	struct sk_buff *skb;
3108	struct wmi_set_rts_cmd *cmd;
3109	int ret;
3110
3111	skb = ath6kl_wmi_get_new_buf(size: sizeof(struct wmi_set_rts_cmd));
3112	if (!skb)
3113	return -ENOMEM;
3114
3115	cmd = (struct wmi_set_rts_cmd *) skb->data;
3116	cmd->threshold = cpu_to_le16(threshold);
3117
3118	ret = ath6kl_wmi_cmd_send(wmi, if_idx: 0, skb, cmd_id: WMI_SET_RTS_CMDID,
3119	sync_flag: NO_SYNC_WMIFLAG);
3120	return ret;
3121	}
3122
3123	int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3124	{
3125	struct sk_buff *skb;
3126	struct wmi_set_wmm_txop_cmd *cmd;
3127	int ret;
3128
3129	if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3130	return -EINVAL;
3131
3132	skb = ath6kl_wmi_get_new_buf(size: sizeof(struct wmi_set_wmm_txop_cmd));
3133	if (!skb)
3134	return -ENOMEM;
3135
3136	cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3137	cmd->txop_enable = cfg;
3138
3139	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_WMM_TXOP_CMDID,
3140	sync_flag: NO_SYNC_WMIFLAG);
3141	return ret;
3142	}
3143
3144	int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3145	u8 keep_alive_intvl)
3146	{
3147	struct sk_buff *skb;
3148	struct wmi_set_keepalive_cmd *cmd;
3149	int ret;
3150
3151	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3152	if (!skb)
3153	return -ENOMEM;
3154
3155	cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3156	cmd->keep_alive_intvl = keep_alive_intvl;
3157
3158	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_KEEPALIVE_CMDID,
3159	sync_flag: NO_SYNC_WMIFLAG);
3160
3161	if (ret == 0)
3162	ath6kl_debug_set_keepalive(ar: wmi->parent_dev, keepalive: keep_alive_intvl);
3163
3164	return ret;
3165	}
3166
3167	int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3168	enum nl80211_band band,
3169	struct ath6kl_htcap *htcap)
3170	{
3171	struct sk_buff *skb;
3172	struct wmi_set_htcap_cmd *cmd;
3173
3174	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3175	if (!skb)
3176	return -ENOMEM;
3177
3178	cmd = (struct wmi_set_htcap_cmd *) skb->data;
3179
3180	/*
3181	* NOTE: Band in firmware matches enum nl80211_band, it is unlikely
3182	* this will be changed in firmware. If at all there is any change in
3183	* band value, the host needs to be fixed.
3184	*/
3185	cmd->band = band;
3186	cmd->ht_enable = !!htcap->ht_enable;
3187	cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3188	cmd->ht40_supported =
3189	!!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3190	cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3191	cmd->intolerant_40mhz =
3192	!!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3193	cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3194
3195	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
3196	fmt: "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3197	cmd->band, cmd->ht_enable, cmd->ht40_supported,
3198	cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3199	cmd->max_ampdu_len_exp);
3200	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_HT_CAP_CMDID,
3201	sync_flag: NO_SYNC_WMIFLAG);
3202	}
3203
3204	int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3205	{
3206	struct sk_buff *skb;
3207	int ret;
3208
3209	skb = ath6kl_wmi_get_new_buf(size: len);
3210	if (!skb)
3211	return -ENOMEM;
3212
3213	memcpy(skb->data, buf, len);
3214
3215	ret = ath6kl_wmi_cmd_send(wmi, if_idx: 0, skb, cmd_id: WMI_TEST_CMDID, sync_flag: NO_SYNC_WMIFLAG);
3216
3217	return ret;
3218	}
3219
3220	int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3221	{
3222	struct sk_buff *skb;
3223	struct wmi_mcast_filter_cmd *cmd;
3224	int ret;
3225
3226	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3227	if (!skb)
3228	return -ENOMEM;
3229
3230	cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3231	cmd->mcast_all_enable = mc_all_on;
3232
3233	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_MCAST_FILTER_CMDID,
3234	sync_flag: NO_SYNC_WMIFLAG);
3235	return ret;
3236	}
3237
3238	int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3239	u8 *filter, bool add_filter)
3240	{
3241	struct sk_buff *skb;
3242	struct wmi_mcast_filter_add_del_cmd *cmd;
3243	int ret;
3244
3245	if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3246	(filter[0] != 0x01 || filter[1] != 0x00 ||
3247	filter[2] != 0x5e || filter[3] > 0x7f)) {
3248	ath6kl_warn(fmt: "invalid multicast filter address\n");
3249	return -EINVAL;
3250	}
3251
3252	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3253	if (!skb)
3254	return -ENOMEM;
3255
3256	cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3257	memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3258	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3259	cmd_id: add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3260	WMI_DEL_MCAST_FILTER_CMDID,
3261	sync_flag: NO_SYNC_WMIFLAG);
3262
3263	return ret;
3264	}
3265
3266	int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3267	{
3268	struct sk_buff *skb;
3269	struct wmi_sta_bmiss_enhance_cmd *cmd;
3270	int ret;
3271
3272	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3273	if (!skb)
3274	return -ENOMEM;
3275
3276	cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3277	cmd->enable = enhance ? 1 : 0;
3278
3279	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3280	cmd_id: WMI_STA_BMISS_ENHANCE_CMDID,
3281	sync_flag: NO_SYNC_WMIFLAG);
3282	return ret;
3283	}
3284
3285	int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3286	{
3287	struct sk_buff *skb;
3288	struct wmi_set_regdomain_cmd *cmd;
3289
3290	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3291	if (!skb)
3292	return -ENOMEM;
3293
3294	cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3295	memcpy(cmd->iso_name, alpha2, 2);
3296
3297	return ath6kl_wmi_cmd_send(wmi, if_idx: 0, skb,
3298	cmd_id: WMI_SET_REGDOMAIN_CMDID,
3299	sync_flag: NO_SYNC_WMIFLAG);
3300	}
3301
3302	s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3303	{
3304	struct ath6kl *ar = wmi->parent_dev;
3305	u8 sgi = 0;
3306	s32 ret;
3307
3308	if (rate_index == RATE_AUTO)
3309	return 0;
3310
3311	/* SGI is stored as the MSB of the rate_index */
3312	if (rate_index & RATE_INDEX_MSB) {
3313	rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3314	sgi = 1;
3315	}
3316
3317	if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3318	ar->fw_capabilities)) {
3319	if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3320	return 0;
3321
3322	ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3323	} else {
3324	if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3325	return 0;
3326
3327	ret = wmi_rate_tbl[(u32) rate_index][sgi];
3328	}
3329
3330	return ret;
3331	}
3332
3333	static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3334	u32 len)
3335	{
3336	struct wmi_pmkid_list_reply *reply;
3337	u32 expected_len;
3338
3339	if (len < sizeof(struct wmi_pmkid_list_reply))
3340	return -EINVAL;
3341
3342	reply = (struct wmi_pmkid_list_reply *)datap;
3343	expected_len = sizeof(reply->num_pmkid) +
3344	le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3345
3346	if (len < expected_len)
3347	return -EINVAL;
3348
3349	return 0;
3350	}
3351
3352	static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3353	struct ath6kl_vif *vif)
3354	{
3355	struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3356
3357	aggr_recv_addba_req_evt(vif, tid: cmd->tid,
3358	le16_to_cpu(cmd->st_seq_no), win_sz: cmd->win_sz);
3359
3360	return 0;
3361	}
3362
3363	static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3364	struct ath6kl_vif *vif)
3365	{
3366	struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3367
3368	aggr_recv_delba_req_evt(vif, tid: cmd->tid);
3369
3370	return 0;
3371	}
3372
3373	/* AP mode functions */
3374
3375	int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3376	struct wmi_connect_cmd *p)
3377	{
3378	struct sk_buff *skb;
3379	struct wmi_connect_cmd *cm;
3380	int res;
3381
3382	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cm));
3383	if (!skb)
3384	return -ENOMEM;
3385
3386	cm = (struct wmi_connect_cmd *) skb->data;
3387	memcpy(cm, p, sizeof(*cm));
3388
3389	res = ath6kl_wmi_cmd_send(wmi: wmip, if_idx, skb, cmd_id: WMI_AP_CONFIG_COMMIT_CMDID,
3390	sync_flag: NO_SYNC_WMIFLAG);
3391	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
3392	fmt: "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3393	__func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3394	le32_to_cpu(p->ctrl_flags), res);
3395	return res;
3396	}
3397
3398	int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3399	u16 reason)
3400	{
3401	struct sk_buff *skb;
3402	struct wmi_ap_set_mlme_cmd *cm;
3403
3404	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cm));
3405	if (!skb)
3406	return -ENOMEM;
3407
3408	cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3409	memcpy(cm->mac, mac, ETH_ALEN);
3410	cm->reason = cpu_to_le16(reason);
3411	cm->cmd = cmd;
3412
3413	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3414	cm->reason);
3415
3416	return ath6kl_wmi_cmd_send(wmi: wmip, if_idx, skb, cmd_id: WMI_AP_SET_MLME_CMDID,
3417	sync_flag: NO_SYNC_WMIFLAG);
3418	}
3419
3420	int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3421	{
3422	struct sk_buff *skb;
3423	struct wmi_ap_hidden_ssid_cmd *cmd;
3424
3425	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3426	if (!skb)
3427	return -ENOMEM;
3428
3429	cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3430	cmd->hidden_ssid = enable ? 1 : 0;
3431
3432	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_AP_HIDDEN_SSID_CMDID,
3433	sync_flag: NO_SYNC_WMIFLAG);
3434	}
3435
3436	/* This command will be used to enable/disable AP uAPSD feature */
3437	int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3438	{
3439	struct wmi_ap_set_apsd_cmd *cmd;
3440	struct sk_buff *skb;
3441
3442	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3443	if (!skb)
3444	return -ENOMEM;
3445
3446	cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3447	cmd->enable = enable;
3448
3449	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_AP_SET_APSD_CMDID,
3450	sync_flag: NO_SYNC_WMIFLAG);
3451	}
3452
3453	int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3454	u16 aid, u16 bitmap, u32 flags)
3455	{
3456	struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3457	struct sk_buff *skb;
3458
3459	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3460	if (!skb)
3461	return -ENOMEM;
3462
3463	cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3464	cmd->aid = cpu_to_le16(aid);
3465	cmd->bitmap = cpu_to_le16(bitmap);
3466	cmd->flags = cpu_to_le32(flags);
3467
3468	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3469	cmd_id: WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3470	sync_flag: NO_SYNC_WMIFLAG);
3471	}
3472
3473	static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3474	struct ath6kl_vif *vif)
3475	{
3476	struct wmi_pspoll_event *ev;
3477
3478	if (len < sizeof(struct wmi_pspoll_event))
3479	return -EINVAL;
3480
3481	ev = (struct wmi_pspoll_event *) datap;
3482
3483	ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3484
3485	return 0;
3486	}
3487
3488	static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3489	struct ath6kl_vif *vif)
3490	{
3491	ath6kl_dtimexpiry_event(vif);
3492
3493	return 0;
3494	}
3495
3496	int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3497	bool flag)
3498	{
3499	struct sk_buff *skb;
3500	struct wmi_ap_set_pvb_cmd *cmd;
3501	int ret;
3502
3503	skb = ath6kl_wmi_get_new_buf(size: sizeof(struct wmi_ap_set_pvb_cmd));
3504	if (!skb)
3505	return -ENOMEM;
3506
3507	cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3508	cmd->aid = cpu_to_le16(aid);
3509	cmd->rsvd = cpu_to_le16(0);
3510	cmd->flag = cpu_to_le32(flag);
3511
3512	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_AP_SET_PVB_CMDID,
3513	sync_flag: NO_SYNC_WMIFLAG);
3514
3515	return ret;
3516	}
3517
3518	int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3519	u8 rx_meta_ver,
3520	bool rx_dot11_hdr, bool defrag_on_host)
3521	{
3522	struct sk_buff *skb;
3523	struct wmi_rx_frame_format_cmd *cmd;
3524	int ret;
3525
3526	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3527	if (!skb)
3528	return -ENOMEM;
3529
3530	cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3531	cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3532	cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3533	cmd->meta_ver = rx_meta_ver;
3534
3535	/* Delete the local aggr state, on host */
3536	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_RX_FRAME_FORMAT_CMDID,
3537	sync_flag: NO_SYNC_WMIFLAG);
3538
3539	return ret;
3540	}
3541
3542	int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3543	const u8 *ie, u8 ie_len)
3544	{
3545	struct sk_buff *skb;
3546	struct wmi_set_appie_cmd *p;
3547
3548	skb = ath6kl_wmi_get_new_buf(size: sizeof(*p) + ie_len);
3549	if (!skb)
3550	return -ENOMEM;
3551
3552	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
3553	fmt: "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3554	mgmt_frm_type, ie_len);
3555	p = (struct wmi_set_appie_cmd *) skb->data;
3556	p->mgmt_frm_type = mgmt_frm_type;
3557	p->ie_len = ie_len;
3558
3559	if (ie != NULL && ie_len > 0)
3560	memcpy(p->ie_info, ie, ie_len);
3561
3562	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_APPIE_CMDID,
3563	sync_flag: NO_SYNC_WMIFLAG);
3564	}
3565
3566	int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3567	const u8 *ie_info, u8 ie_len)
3568	{
3569	struct sk_buff *skb;
3570	struct wmi_set_ie_cmd *p;
3571
3572	skb = ath6kl_wmi_get_new_buf(size: sizeof(*p) + ie_len);
3573	if (!skb)
3574	return -ENOMEM;
3575
3576	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3577	ie_id, ie_field, ie_len);
3578	p = (struct wmi_set_ie_cmd *) skb->data;
3579	p->ie_id = ie_id;
3580	p->ie_field = ie_field;
3581	p->ie_len = ie_len;
3582	if (ie_info && ie_len > 0)
3583	memcpy(p->ie_info, ie_info, ie_len);
3584
3585	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SET_IE_CMDID,
3586	sync_flag: NO_SYNC_WMIFLAG);
3587	}
3588
3589	int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3590	{
3591	struct sk_buff *skb;
3592	struct wmi_disable_11b_rates_cmd *cmd;
3593
3594	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3595	if (!skb)
3596	return -ENOMEM;
3597
3598	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "disable_11b_rates_cmd: disable=%u\n",
3599	disable);
3600	cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3601	cmd->disable = disable ? 1 : 0;
3602
3603	return ath6kl_wmi_cmd_send(wmi, if_idx: 0, skb, cmd_id: WMI_DISABLE_11B_RATES_CMDID,
3604	sync_flag: NO_SYNC_WMIFLAG);
3605	}
3606
3607	int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3608	{
3609	struct sk_buff *skb;
3610	struct wmi_remain_on_chnl_cmd *p;
3611
3612	skb = ath6kl_wmi_get_new_buf(size: sizeof(*p));
3613	if (!skb)
3614	return -ENOMEM;
3615
3616	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "remain_on_chnl_cmd: freq=%u dur=%u\n",
3617	freq, dur);
3618	p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3619	p->freq = cpu_to_le32(freq);
3620	p->duration = cpu_to_le32(dur);
3621	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_REMAIN_ON_CHNL_CMDID,
3622	sync_flag: NO_SYNC_WMIFLAG);
3623	}
3624
3625	/* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3626	* ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3627	* mgmt operations using station interface.
3628	*/
3629	static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3630	u32 freq, u32 wait, const u8 *data,
3631	u16 data_len)
3632	{
3633	struct sk_buff *skb;
3634	struct wmi_send_action_cmd *p;
3635	u8 *buf;
3636
3637	if (wait)
3638	return -EINVAL; /* Offload for wait not supported */
3639
3640	buf = kmemdup(p: data, size: data_len, GFP_KERNEL);
3641	if (!buf)
3642	return -ENOMEM;
3643
3644	skb = ath6kl_wmi_get_new_buf(size: sizeof(*p) + data_len);
3645	if (!skb) {
3646	kfree(objp: buf);
3647	return -ENOMEM;
3648	}
3649
3650	kfree(objp: wmi->last_mgmt_tx_frame);
3651	wmi->last_mgmt_tx_frame = buf;
3652	wmi->last_mgmt_tx_frame_len = data_len;
3653
3654	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
3655	fmt: "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3656	id, freq, wait, data_len);
3657	p = (struct wmi_send_action_cmd *) skb->data;
3658	p->id = cpu_to_le32(id);
3659	p->freq = cpu_to_le32(freq);
3660	p->wait = cpu_to_le32(wait);
3661	p->len = cpu_to_le16(data_len);
3662	memcpy(p->data, data, data_len);
3663	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SEND_ACTION_CMDID,
3664	sync_flag: NO_SYNC_WMIFLAG);
3665	}
3666
3667	static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3668	u32 freq, u32 wait, const u8 *data,
3669	u16 data_len, u32 no_cck)
3670	{
3671	struct sk_buff *skb;
3672	struct wmi_send_mgmt_cmd *p;
3673	u8 *buf;
3674
3675	if (wait)
3676	return -EINVAL; /* Offload for wait not supported */
3677
3678	buf = kmemdup(p: data, size: data_len, GFP_KERNEL);
3679	if (!buf)
3680	return -ENOMEM;
3681
3682	skb = ath6kl_wmi_get_new_buf(size: sizeof(*p) + data_len);
3683	if (!skb) {
3684	kfree(objp: buf);
3685	return -ENOMEM;
3686	}
3687
3688	kfree(objp: wmi->last_mgmt_tx_frame);
3689	wmi->last_mgmt_tx_frame = buf;
3690	wmi->last_mgmt_tx_frame_len = data_len;
3691
3692	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
3693	fmt: "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3694	id, freq, wait, data_len);
3695	p = (struct wmi_send_mgmt_cmd *) skb->data;
3696	p->id = cpu_to_le32(id);
3697	p->freq = cpu_to_le32(freq);
3698	p->wait = cpu_to_le32(wait);
3699	p->no_cck = cpu_to_le32(no_cck);
3700	p->len = cpu_to_le16(data_len);
3701	memcpy(p->data, data, data_len);
3702	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_SEND_MGMT_CMDID,
3703	sync_flag: NO_SYNC_WMIFLAG);
3704	}
3705
3706	int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3707	u32 wait, const u8 *data, u16 data_len,
3708	u32 no_cck)
3709	{
3710	int status;
3711	struct ath6kl *ar = wmi->parent_dev;
3712
3713	if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3714	ar->fw_capabilities)) {
3715	/*
3716	* If capable of doing P2P mgmt operations using
3717	* station interface, send additional information like
3718	* supported rates to advertise and xmit rates for
3719	* probe requests
3720	*/
3721	status = __ath6kl_wmi_send_mgmt_cmd(wmi: ar->wmi, if_idx, id, freq,
3722	wait, data, data_len,
3723	no_cck);
3724	} else {
3725	status = ath6kl_wmi_send_action_cmd(wmi: ar->wmi, if_idx, id, freq,
3726	wait, data, data_len);
3727	}
3728
3729	return status;
3730	}
3731
3732	int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3733	const u8 *dst, const u8 *data,
3734	u16 data_len)
3735	{
3736	struct sk_buff *skb;
3737	struct wmi_p2p_probe_response_cmd *p;
3738	size_t cmd_len = sizeof(*p) + data_len;
3739
3740	if (data_len == 0)
3741	cmd_len++; /* work around target minimum length requirement */
3742
3743	skb = ath6kl_wmi_get_new_buf(size: cmd_len);
3744	if (!skb)
3745	return -ENOMEM;
3746
3747	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
3748	fmt: "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3749	freq, dst, data_len);
3750	p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3751	p->freq = cpu_to_le32(freq);
3752	memcpy(p->destination_addr, dst, ETH_ALEN);
3753	p->len = cpu_to_le16(data_len);
3754	memcpy(p->data, data, data_len);
3755	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3756	cmd_id: WMI_SEND_PROBE_RESPONSE_CMDID,
3757	sync_flag: NO_SYNC_WMIFLAG);
3758	}
3759
3760	int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3761	{
3762	struct sk_buff *skb;
3763	struct wmi_probe_req_report_cmd *p;
3764
3765	skb = ath6kl_wmi_get_new_buf(size: sizeof(*p));
3766	if (!skb)
3767	return -ENOMEM;
3768
3769	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "probe_report_req_cmd: enable=%u\n",
3770	enable);
3771	p = (struct wmi_probe_req_report_cmd *) skb->data;
3772	p->enable = enable ? 1 : 0;
3773	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_PROBE_REQ_REPORT_CMDID,
3774	sync_flag: NO_SYNC_WMIFLAG);
3775	}
3776
3777	int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3778	{
3779	struct sk_buff *skb;
3780	struct wmi_get_p2p_info *p;
3781
3782	skb = ath6kl_wmi_get_new_buf(size: sizeof(*p));
3783	if (!skb)
3784	return -ENOMEM;
3785
3786	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "info_req_cmd: flags=%x\n",
3787	info_req_flags);
3788	p = (struct wmi_get_p2p_info *) skb->data;
3789	p->info_req_flags = cpu_to_le32(info_req_flags);
3790	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_GET_P2P_INFO_CMDID,
3791	sync_flag: NO_SYNC_WMIFLAG);
3792	}
3793
3794	int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3795	{
3796	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "cancel_remain_on_chnl_cmd\n");
3797	return ath6kl_wmi_simple_cmd(wmi, if_idx,
3798	cmd_id: WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3799	}
3800
3801	int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3802	{
3803	struct sk_buff *skb;
3804	struct wmi_set_inact_period_cmd *cmd;
3805
3806	skb = ath6kl_wmi_get_new_buf(size: sizeof(*cmd));
3807	if (!skb)
3808	return -ENOMEM;
3809
3810	cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3811	cmd->inact_period = cpu_to_le32(inact_timeout);
3812	cmd->num_null_func = 0;
3813
3814	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id: WMI_AP_CONN_INACT_CMDID,
3815	sync_flag: NO_SYNC_WMIFLAG);
3816	}
3817
3818	static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3819	int len)
3820	{
3821	struct wmix_hb_challenge_resp_cmd *cmd;
3822
3823	if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3824	return;
3825
3826	cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3827	ath6kl_recovery_hb_event(ar: wmi->parent_dev,
3828	le32_to_cpu(cmd->cookie));
3829	}
3830
3831	static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3832	{
3833	struct wmix_cmd_hdr *cmd;
3834	u32 len;
3835	u16 id;
3836	u8 *datap;
3837	int ret = 0;
3838
3839	if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3840	ath6kl_err(fmt: "bad packet 1\n");
3841	return -EINVAL;
3842	}
3843
3844	cmd = (struct wmix_cmd_hdr *) skb->data;
3845	id = le32_to_cpu(cmd->cmd_id);
3846
3847	skb_pull(skb, len: sizeof(struct wmix_cmd_hdr));
3848
3849	datap = skb->data;
3850	len = skb->len;
3851
3852	switch (id) {
3853	case WMIX_HB_CHALLENGE_RESP_EVENTID:
3854	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "wmi event hb challenge resp\n");
3855	ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3856	break;
3857	case WMIX_DBGLOG_EVENTID:
3858	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "wmi event dbglog len %d\n", len);
3859	ath6kl_debug_fwlog_event(ar: wmi->parent_dev, buf: datap, len);
3860	break;
3861	default:
3862	ath6kl_warn(fmt: "unknown cmd id 0x%x\n", id);
3863	ret = -EINVAL;
3864	break;
3865	}
3866
3867	return ret;
3868	}
3869
3870	static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3871	{
3872	return ath6kl_debug_roam_tbl_event(ar: wmi->parent_dev, buf: datap, len);
3873	}
3874
3875	/* Process interface specific wmi events, caller would free the datap */
3876	static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3877	u8 *datap, u32 len)
3878	{
3879	struct ath6kl_vif *vif;
3880
3881	vif = ath6kl_get_vif_by_index(ar: wmi->parent_dev, if_idx);
3882	if (!vif) {
3883	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
3884	fmt: "Wmi event for unavailable vif, vif_index:%d\n",
3885	if_idx);
3886	return -EINVAL;
3887	}
3888
3889	switch (cmd_id) {
3890	case WMI_CONNECT_EVENTID:
3891	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_CONNECT_EVENTID\n");
3892	return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3893	case WMI_DISCONNECT_EVENTID:
3894	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_DISCONNECT_EVENTID\n");
3895	return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3896	case WMI_TKIP_MICERR_EVENTID:
3897	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_TKIP_MICERR_EVENTID\n");
3898	return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3899	case WMI_BSSINFO_EVENTID:
3900	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_BSSINFO_EVENTID\n");
3901	return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3902	case WMI_NEIGHBOR_REPORT_EVENTID:
3903	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_NEIGHBOR_REPORT_EVENTID\n");
3904	return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3905	vif);
3906	case WMI_SCAN_COMPLETE_EVENTID:
3907	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_SCAN_COMPLETE_EVENTID\n");
3908	return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3909	case WMI_REPORT_STATISTICS_EVENTID:
3910	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_REPORT_STATISTICS_EVENTID\n");
3911	return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3912	case WMI_CAC_EVENTID:
3913	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_CAC_EVENTID\n");
3914	return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3915	case WMI_PSPOLL_EVENTID:
3916	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_PSPOLL_EVENTID\n");
3917	return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3918	case WMI_DTIMEXPIRY_EVENTID:
3919	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_DTIMEXPIRY_EVENTID\n");
3920	return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3921	case WMI_ADDBA_REQ_EVENTID:
3922	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_ADDBA_REQ_EVENTID\n");
3923	return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3924	case WMI_DELBA_REQ_EVENTID:
3925	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_DELBA_REQ_EVENTID\n");
3926	return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3927	case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3928	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
3929	fmt: "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3930	return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3931	case WMI_REMAIN_ON_CHNL_EVENTID:
3932	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_REMAIN_ON_CHNL_EVENTID\n");
3933	return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3934	case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3935	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
3936	fmt: "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3937	return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3938	len, vif);
3939	case WMI_TX_STATUS_EVENTID:
3940	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_TX_STATUS_EVENTID\n");
3941	return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3942	case WMI_RX_PROBE_REQ_EVENTID:
3943	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_RX_PROBE_REQ_EVENTID\n");
3944	return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3945	case WMI_RX_ACTION_EVENTID:
3946	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_RX_ACTION_EVENTID\n");
3947	return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3948	case WMI_TXE_NOTIFY_EVENTID:
3949	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_TXE_NOTIFY_EVENTID\n");
3950	return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3951	default:
3952	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "unknown cmd id 0x%x\n", cmd_id);
3953	return -EINVAL;
3954	}
3955
3956	return 0;
3957	}
3958
3959	static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3960	{
3961	struct wmi_cmd_hdr *cmd;
3962	int ret = 0;
3963	u32 len;
3964	u16 id;
3965	u8 if_idx;
3966	u8 *datap;
3967
3968	cmd = (struct wmi_cmd_hdr *) skb->data;
3969	id = le16_to_cpu(cmd->cmd_id);
3970	if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3971
3972	skb_pull(skb, len: sizeof(struct wmi_cmd_hdr));
3973	datap = skb->data;
3974	len = skb->len;
3975
3976	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "wmi rx id %d len %d\n", id, len);
3977	ath6kl_dbg_dump(mask: ATH6KL_DBG_WMI_DUMP, NULL, prefix: "wmi rx ",
3978	buf: datap, len);
3979
3980	switch (id) {
3981	case WMI_GET_BITRATE_CMDID:
3982	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_GET_BITRATE_CMDID\n");
3983	ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3984	break;
3985	case WMI_GET_CHANNEL_LIST_CMDID:
3986	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_GET_CHANNEL_LIST_CMDID\n");
3987	ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3988	break;
3989	case WMI_GET_TX_PWR_CMDID:
3990	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_GET_TX_PWR_CMDID\n");
3991	ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3992	break;
3993	case WMI_READY_EVENTID:
3994	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_READY_EVENTID\n");
3995	ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3996	break;
3997	case WMI_PEER_NODE_EVENTID:
3998	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_PEER_NODE_EVENTID\n");
3999	ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4000	break;
4001	case WMI_REGDOMAIN_EVENTID:
4002	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_REGDOMAIN_EVENTID\n");
4003	ath6kl_wmi_regdomain_event(wmi, datap, len);
4004	break;
4005	case WMI_PSTREAM_TIMEOUT_EVENTID:
4006	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4007	ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4008	break;
4009	case WMI_CMDERROR_EVENTID:
4010	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_CMDERROR_EVENTID\n");
4011	ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4012	break;
4013	case WMI_RSSI_THRESHOLD_EVENTID:
4014	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_RSSI_THRESHOLD_EVENTID\n");
4015	ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4016	break;
4017	case WMI_ERROR_REPORT_EVENTID:
4018	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_ERROR_REPORT_EVENTID\n");
4019	break;
4020	case WMI_OPT_RX_FRAME_EVENTID:
4021	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_OPT_RX_FRAME_EVENTID\n");
4022	/* this event has been deprecated */
4023	break;
4024	case WMI_REPORT_ROAM_TBL_EVENTID:
4025	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_REPORT_ROAM_TBL_EVENTID\n");
4026	ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4027	break;
4028	case WMI_EXTENSION_EVENTID:
4029	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_EXTENSION_EVENTID\n");
4030	ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4031	break;
4032	case WMI_CHANNEL_CHANGE_EVENTID:
4033	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_CHANNEL_CHANGE_EVENTID\n");
4034	break;
4035	case WMI_REPORT_ROAM_DATA_EVENTID:
4036	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_REPORT_ROAM_DATA_EVENTID\n");
4037	break;
4038	case WMI_TEST_EVENTID:
4039	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_TEST_EVENTID\n");
4040	ret = ath6kl_wmi_test_rx(wmi, datap, len);
4041	break;
4042	case WMI_GET_FIXRATES_CMDID:
4043	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_GET_FIXRATES_CMDID\n");
4044	ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4045	break;
4046	case WMI_TX_RETRY_ERR_EVENTID:
4047	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_TX_RETRY_ERR_EVENTID\n");
4048	break;
4049	case WMI_SNR_THRESHOLD_EVENTID:
4050	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_SNR_THRESHOLD_EVENTID\n");
4051	ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4052	break;
4053	case WMI_LQ_THRESHOLD_EVENTID:
4054	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_LQ_THRESHOLD_EVENTID\n");
4055	break;
4056	case WMI_APLIST_EVENTID:
4057	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_APLIST_EVENTID\n");
4058	ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4059	break;
4060	case WMI_GET_KEEPALIVE_CMDID:
4061	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_GET_KEEPALIVE_CMDID\n");
4062	ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4063	break;
4064	case WMI_GET_WOW_LIST_EVENTID:
4065	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_GET_WOW_LIST_EVENTID\n");
4066	break;
4067	case WMI_GET_PMKID_LIST_EVENTID:
4068	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_GET_PMKID_LIST_EVENTID\n");
4069	ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4070	break;
4071	case WMI_SET_PARAMS_REPLY_EVENTID:
4072	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_SET_PARAMS_REPLY_EVENTID\n");
4073	break;
4074	case WMI_ADDBA_RESP_EVENTID:
4075	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_ADDBA_RESP_EVENTID\n");
4076	break;
4077	case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4078	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
4079	fmt: "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4080	break;
4081	case WMI_REPORT_BTCOEX_STATS_EVENTID:
4082	ath6kl_dbg(mask: ATH6KL_DBG_WMI,
4083	fmt: "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4084	break;
4085	case WMI_TX_COMPLETE_EVENTID:
4086	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_TX_COMPLETE_EVENTID\n");
4087	ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4088	break;
4089	case WMI_P2P_CAPABILITIES_EVENTID:
4090	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_P2P_CAPABILITIES_EVENTID\n");
4091	ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4092	break;
4093	case WMI_P2P_INFO_EVENTID:
4094	ath6kl_dbg(mask: ATH6KL_DBG_WMI, fmt: "WMI_P2P_INFO_EVENTID\n");
4095	ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4096	break;
4097	default:
4098	/* may be the event is interface specific */
4099	ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, cmd_id: id, datap, len);
4100	break;
4101	}
4102
4103	dev_kfree_skb(skb);
4104	return ret;
4105	}
4106
4107	/* Control Path */
4108	int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4109	{
4110	if (WARN_ON(skb == NULL))
4111	return -EINVAL;
4112
4113	if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4114	ath6kl_err(fmt: "bad packet 1\n");
4115	dev_kfree_skb(skb);
4116	return -EINVAL;
4117	}
4118
4119	trace_ath6kl_wmi_event(buf: skb->data, buf_len: skb->len);
4120
4121	return ath6kl_wmi_proc_events(wmi, skb);
4122	}
4123
4124	void ath6kl_wmi_reset(struct wmi *wmi)
4125	{
4126	spin_lock_bh(lock: &wmi->lock);
4127
4128	wmi->fat_pipe_exist = 0;
4129	memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4130
4131	spin_unlock_bh(lock: &wmi->lock);
4132	}
4133
4134	void *ath6kl_wmi_init(struct ath6kl *dev)
4135	{
4136	struct wmi *wmi;
4137
4138	wmi = kzalloc(size: sizeof(struct wmi), GFP_KERNEL);
4139	if (!wmi)
4140	return NULL;
4141
4142	spin_lock_init(&wmi->lock);
4143
4144	wmi->parent_dev = dev;
4145
4146	wmi->pwr_mode = REC_POWER;
4147
4148	ath6kl_wmi_reset(wmi);
4149
4150	return wmi;
4151	}
4152
4153	void ath6kl_wmi_shutdown(struct wmi *wmi)
4154	{
4155	if (!wmi)
4156	return;
4157
4158	kfree(objp: wmi->last_mgmt_tx_frame);
4159	kfree(objp: wmi);
4160	}
4161