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 "core.h"
20 #include "debug.h"
21 #include "testmode.h"
22 #include "../regd.h"
23 #include "../regd_common.h"
24 
25 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
26 
27 static const s32 wmi_rate_tbl[][2] = {
28 	/* {W/O SGI, with SGI} */
29 	{1000, 1000},
30 	{2000, 2000},
31 	{5500, 5500},
32 	{11000, 11000},
33 	{6000, 6000},
34 	{9000, 9000},
35 	{12000, 12000},
36 	{18000, 18000},
37 	{24000, 24000},
38 	{36000, 36000},
39 	{48000, 48000},
40 	{54000, 54000},
41 	{6500, 7200},
42 	{13000, 14400},
43 	{19500, 21700},
44 	{26000, 28900},
45 	{39000, 43300},
46 	{52000, 57800},
47 	{58500, 65000},
48 	{65000, 72200},
49 	{13500, 15000},
50 	{27000, 30000},
51 	{40500, 45000},
52 	{54000, 60000},
53 	{81000, 90000},
54 	{108000, 120000},
55 	{121500, 135000},
56 	{135000, 150000},
57 	{0, 0}
58 };
59 
60 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
61 static const u8 up_to_ac[] = {
62 	WMM_AC_BE,
63 	WMM_AC_BK,
64 	WMM_AC_BK,
65 	WMM_AC_BE,
66 	WMM_AC_VI,
67 	WMM_AC_VI,
68 	WMM_AC_VO,
69 	WMM_AC_VO,
70 };
71 
ath6kl_wmi_set_control_ep(struct wmi * wmi,enum htc_endpoint_id ep_id)72 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
73 {
74 	if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
75 		return;
76 
77 	wmi->ep_id = ep_id;
78 }
79 
ath6kl_wmi_get_control_ep(struct wmi * wmi)80 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
81 {
82 	return wmi->ep_id;
83 }
84 
ath6kl_get_vif_by_index(struct ath6kl * ar,u8 if_idx)85 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
86 {
87 	struct ath6kl_vif *vif, *found = NULL;
88 
89 	if (WARN_ON(if_idx > (ar->vif_max - 1)))
90 		return NULL;
91 
92 	/* FIXME: Locking */
93 	spin_lock_bh(&ar->list_lock);
94 	list_for_each_entry(vif, &ar->vif_list, list) {
95 		if (vif->fw_vif_idx == if_idx) {
96 			found = vif;
97 			break;
98 		}
99 	}
100 	spin_unlock_bh(&ar->list_lock);
101 
102 	return found;
103 }
104 
105 /*  Performs DIX to 802.3 encapsulation for transmit packets.
106  *  Assumes the entire DIX header is contigous and that there is
107  *  enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
108  */
ath6kl_wmi_dix_2_dot3(struct wmi * wmi,struct sk_buff * skb)109 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
110 {
111 	struct ath6kl_llc_snap_hdr *llc_hdr;
112 	struct ethhdr *eth_hdr;
113 	size_t new_len;
114 	__be16 type;
115 	u8 *datap;
116 	u16 size;
117 
118 	if (WARN_ON(skb == NULL))
119 		return -EINVAL;
120 
121 	size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
122 	if (skb_headroom(skb) < size)
123 		return -ENOMEM;
124 
125 	eth_hdr = (struct ethhdr *) skb->data;
126 	type = eth_hdr->h_proto;
127 
128 	if (!is_ethertype(be16_to_cpu(type))) {
129 		ath6kl_dbg(ATH6KL_DBG_WMI,
130 			   "%s: pkt is already in 802.3 format\n", __func__);
131 		return 0;
132 	}
133 
134 	new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
135 
136 	skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
137 	datap = skb->data;
138 
139 	eth_hdr->h_proto = cpu_to_be16(new_len);
140 
141 	memcpy(datap, eth_hdr, sizeof(*eth_hdr));
142 
143 	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
144 	llc_hdr->dsap = 0xAA;
145 	llc_hdr->ssap = 0xAA;
146 	llc_hdr->cntl = 0x03;
147 	llc_hdr->org_code[0] = 0x0;
148 	llc_hdr->org_code[1] = 0x0;
149 	llc_hdr->org_code[2] = 0x0;
150 	llc_hdr->eth_type = type;
151 
152 	return 0;
153 }
154 
ath6kl_wmi_meta_add(struct wmi * wmi,struct sk_buff * skb,u8 * version,void * tx_meta_info)155 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
156 			       u8 *version, void *tx_meta_info)
157 {
158 	struct wmi_tx_meta_v1 *v1;
159 	struct wmi_tx_meta_v2 *v2;
160 
161 	if (WARN_ON(skb == NULL || version == NULL))
162 		return -EINVAL;
163 
164 	switch (*version) {
165 	case WMI_META_VERSION_1:
166 		skb_push(skb, WMI_MAX_TX_META_SZ);
167 		v1 = (struct wmi_tx_meta_v1 *) skb->data;
168 		v1->pkt_id = 0;
169 		v1->rate_plcy_id = 0;
170 		*version = WMI_META_VERSION_1;
171 		break;
172 	case WMI_META_VERSION_2:
173 		skb_push(skb, WMI_MAX_TX_META_SZ);
174 		v2 = (struct wmi_tx_meta_v2 *) skb->data;
175 		memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
176 		       sizeof(struct wmi_tx_meta_v2));
177 		break;
178 	}
179 
180 	return 0;
181 }
182 
ath6kl_wmi_data_hdr_add(struct wmi * wmi,struct sk_buff * skb,u8 msg_type,u32 flags,enum wmi_data_hdr_data_type data_type,u8 meta_ver,void * tx_meta_info,u8 if_idx)183 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
184 			    u8 msg_type, u32 flags,
185 			    enum wmi_data_hdr_data_type data_type,
186 			    u8 meta_ver, void *tx_meta_info, u8 if_idx)
187 {
188 	struct wmi_data_hdr *data_hdr;
189 	int ret;
190 
191 	if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
192 		return -EINVAL;
193 
194 	if (tx_meta_info) {
195 		ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
196 		if (ret)
197 			return ret;
198 	}
199 
200 	skb_push(skb, sizeof(struct wmi_data_hdr));
201 
202 	data_hdr = (struct wmi_data_hdr *)skb->data;
203 	memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
204 
205 	data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
206 	data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
207 
208 	if (flags & WMI_DATA_HDR_FLAGS_MORE)
209 		data_hdr->info |= WMI_DATA_HDR_MORE;
210 
211 	if (flags & WMI_DATA_HDR_FLAGS_EOSP)
212 		data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
213 
214 	data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
215 	data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
216 
217 	return 0;
218 }
219 
ath6kl_wmi_determine_user_priority(u8 * pkt,u32 layer2_pri)220 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
221 {
222 	struct iphdr *ip_hdr = (struct iphdr *) pkt;
223 	u8 ip_pri;
224 
225 	/*
226 	 * Determine IPTOS priority
227 	 *
228 	 * IP-TOS - 8bits
229 	 *          : DSCP(6-bits) ECN(2-bits)
230 	 *          : DSCP - P2 P1 P0 X X X
231 	 * where (P2 P1 P0) form 802.1D
232 	 */
233 	ip_pri = ip_hdr->tos >> 5;
234 	ip_pri &= 0x7;
235 
236 	if ((layer2_pri & 0x7) > ip_pri)
237 		return (u8) layer2_pri & 0x7;
238 	else
239 		return ip_pri;
240 }
241 
ath6kl_wmi_get_traffic_class(u8 user_priority)242 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
243 {
244 	return  up_to_ac[user_priority & 0x7];
245 }
246 
ath6kl_wmi_implicit_create_pstream(struct wmi * wmi,u8 if_idx,struct sk_buff * skb,u32 layer2_priority,bool wmm_enabled,u8 * ac)247 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
248 				       struct sk_buff *skb,
249 				       u32 layer2_priority, bool wmm_enabled,
250 				       u8 *ac)
251 {
252 	struct wmi_data_hdr *data_hdr;
253 	struct ath6kl_llc_snap_hdr *llc_hdr;
254 	struct wmi_create_pstream_cmd cmd;
255 	u32 meta_size, hdr_size;
256 	u16 ip_type = IP_ETHERTYPE;
257 	u8 stream_exist, usr_pri;
258 	u8 traffic_class = WMM_AC_BE;
259 	u8 *datap;
260 
261 	if (WARN_ON(skb == NULL))
262 		return -EINVAL;
263 
264 	datap = skb->data;
265 	data_hdr = (struct wmi_data_hdr *) datap;
266 
267 	meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
268 		     WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
269 
270 	if (!wmm_enabled) {
271 		/* If WMM is disabled all traffic goes as BE traffic */
272 		usr_pri = 0;
273 	} else {
274 		hdr_size = sizeof(struct ethhdr);
275 
276 		llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
277 							 sizeof(struct
278 								wmi_data_hdr) +
279 							 meta_size + hdr_size);
280 
281 		if (llc_hdr->eth_type == htons(ip_type)) {
282 			/*
283 			 * Extract the endpoint info from the TOS field
284 			 * in the IP header.
285 			 */
286 			usr_pri =
287 			   ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
288 					sizeof(struct ath6kl_llc_snap_hdr),
289 					layer2_priority);
290 		} else
291 			usr_pri = layer2_priority & 0x7;
292 	}
293 
294 	/*
295 	 * workaround for WMM S5
296 	 *
297 	 * FIXME: wmi->traffic_class is always 100 so this test doesn't
298 	 * make sense
299 	 */
300 	if ((wmi->traffic_class == WMM_AC_VI) &&
301 	    ((usr_pri == 5) || (usr_pri == 4)))
302 		usr_pri = 1;
303 
304 	/* Convert user priority to traffic class */
305 	traffic_class = up_to_ac[usr_pri & 0x7];
306 
307 	wmi_data_hdr_set_up(data_hdr, usr_pri);
308 
309 	spin_lock_bh(&wmi->lock);
310 	stream_exist = wmi->fat_pipe_exist;
311 	spin_unlock_bh(&wmi->lock);
312 
313 	if (!(stream_exist & (1 << traffic_class))) {
314 		memset(&cmd, 0, sizeof(cmd));
315 		cmd.traffic_class = traffic_class;
316 		cmd.user_pri = usr_pri;
317 		cmd.inactivity_int =
318 			cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
319 		/* Implicit streams are created with TSID 0xFF */
320 		cmd.tsid = WMI_IMPLICIT_PSTREAM;
321 		ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
322 	}
323 
324 	*ac = traffic_class;
325 
326 	return 0;
327 }
328 
ath6kl_wmi_dot11_hdr_remove(struct wmi * wmi,struct sk_buff * skb)329 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
330 {
331 	struct ieee80211_hdr_3addr *pwh, wh;
332 	struct ath6kl_llc_snap_hdr *llc_hdr;
333 	struct ethhdr eth_hdr;
334 	u32 hdr_size;
335 	u8 *datap;
336 	__le16 sub_type;
337 
338 	if (WARN_ON(skb == NULL))
339 		return -EINVAL;
340 
341 	datap = skb->data;
342 	pwh = (struct ieee80211_hdr_3addr *) datap;
343 
344 	sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
345 
346 	memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
347 
348 	/* Strip off the 802.11 header */
349 	if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
350 		hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
351 				   sizeof(u32));
352 		skb_pull(skb, hdr_size);
353 	} else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
354 		skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
355 
356 	datap = skb->data;
357 	llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
358 
359 	memset(&eth_hdr, 0, sizeof(eth_hdr));
360 	eth_hdr.h_proto = llc_hdr->eth_type;
361 
362 	switch ((le16_to_cpu(wh.frame_control)) &
363 		(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
364 	case 0:
365 		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
366 		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
367 		break;
368 	case IEEE80211_FCTL_TODS:
369 		memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
370 		memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
371 		break;
372 	case IEEE80211_FCTL_FROMDS:
373 		memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
374 		memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
375 		break;
376 	case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
377 		break;
378 	}
379 
380 	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
381 	skb_push(skb, sizeof(eth_hdr));
382 
383 	datap = skb->data;
384 
385 	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
386 
387 	return 0;
388 }
389 
390 /*
391  * Performs 802.3 to DIX encapsulation for received packets.
392  * Assumes the entire 802.3 header is contigous.
393  */
ath6kl_wmi_dot3_2_dix(struct sk_buff * skb)394 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
395 {
396 	struct ath6kl_llc_snap_hdr *llc_hdr;
397 	struct ethhdr eth_hdr;
398 	u8 *datap;
399 
400 	if (WARN_ON(skb == NULL))
401 		return -EINVAL;
402 
403 	datap = skb->data;
404 
405 	memcpy(&eth_hdr, datap, sizeof(eth_hdr));
406 
407 	llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
408 	eth_hdr.h_proto = llc_hdr->eth_type;
409 
410 	skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
411 	datap = skb->data;
412 
413 	memcpy(datap, &eth_hdr, sizeof(eth_hdr));
414 
415 	return 0;
416 }
417 
ath6kl_wmi_tx_complete_event_rx(u8 * datap,int len)418 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
419 {
420 	struct tx_complete_msg_v1 *msg_v1;
421 	struct wmi_tx_complete_event *evt;
422 	int index;
423 	u16 size;
424 
425 	evt = (struct wmi_tx_complete_event *) datap;
426 
427 	ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
428 		   evt->num_msg, evt->msg_len, evt->msg_type);
429 
430 	for (index = 0; index < evt->num_msg; index++) {
431 		size = sizeof(struct wmi_tx_complete_event) +
432 		    (index * sizeof(struct tx_complete_msg_v1));
433 		msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
434 
435 		ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
436 			   msg_v1->status, msg_v1->pkt_id,
437 			   msg_v1->rate_idx, msg_v1->ack_failures);
438 	}
439 
440 	return 0;
441 }
442 
ath6kl_wmi_remain_on_chnl_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)443 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
444 					      int len, struct ath6kl_vif *vif)
445 {
446 	struct wmi_remain_on_chnl_event *ev;
447 	u32 freq;
448 	u32 dur;
449 	struct ieee80211_channel *chan;
450 	struct ath6kl *ar = wmi->parent_dev;
451 	u32 id;
452 
453 	if (len < sizeof(*ev))
454 		return -EINVAL;
455 
456 	ev = (struct wmi_remain_on_chnl_event *) datap;
457 	freq = le32_to_cpu(ev->freq);
458 	dur = le32_to_cpu(ev->duration);
459 	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
460 		   freq, dur);
461 	chan = ieee80211_get_channel(ar->wiphy, freq);
462 	if (!chan) {
463 		ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: Unknown channel "
464 			   "(freq=%u)\n", freq);
465 		return -EINVAL;
466 	}
467 	id = vif->last_roc_id;
468 	cfg80211_ready_on_channel(vif->ndev, id, chan, NL80211_CHAN_NO_HT,
469 				  dur, GFP_ATOMIC);
470 
471 	return 0;
472 }
473 
ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)474 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
475 						     u8 *datap, int len,
476 						     struct ath6kl_vif *vif)
477 {
478 	struct wmi_cancel_remain_on_chnl_event *ev;
479 	u32 freq;
480 	u32 dur;
481 	struct ieee80211_channel *chan;
482 	struct ath6kl *ar = wmi->parent_dev;
483 	u32 id;
484 
485 	if (len < sizeof(*ev))
486 		return -EINVAL;
487 
488 	ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
489 	freq = le32_to_cpu(ev->freq);
490 	dur = le32_to_cpu(ev->duration);
491 	ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: freq=%u dur=%u "
492 		   "status=%u\n", freq, dur, ev->status);
493 	chan = ieee80211_get_channel(ar->wiphy, freq);
494 	if (!chan) {
495 		ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl: Unknown "
496 			   "channel (freq=%u)\n", freq);
497 		return -EINVAL;
498 	}
499 	if (vif->last_cancel_roc_id &&
500 	    vif->last_cancel_roc_id + 1 == vif->last_roc_id)
501 		id = vif->last_cancel_roc_id; /* event for cancel command */
502 	else
503 		id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
504 	vif->last_cancel_roc_id = 0;
505 	cfg80211_remain_on_channel_expired(vif->ndev, id, chan,
506 					   NL80211_CHAN_NO_HT, GFP_ATOMIC);
507 
508 	return 0;
509 }
510 
ath6kl_wmi_tx_status_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)511 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
512 					 struct ath6kl_vif *vif)
513 {
514 	struct wmi_tx_status_event *ev;
515 	u32 id;
516 
517 	if (len < sizeof(*ev))
518 		return -EINVAL;
519 
520 	ev = (struct wmi_tx_status_event *) datap;
521 	id = le32_to_cpu(ev->id);
522 	ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
523 		   id, ev->ack_status);
524 	if (wmi->last_mgmt_tx_frame) {
525 		cfg80211_mgmt_tx_status(vif->ndev, id,
526 					wmi->last_mgmt_tx_frame,
527 					wmi->last_mgmt_tx_frame_len,
528 					!!ev->ack_status, GFP_ATOMIC);
529 		kfree(wmi->last_mgmt_tx_frame);
530 		wmi->last_mgmt_tx_frame = NULL;
531 		wmi->last_mgmt_tx_frame_len = 0;
532 	}
533 
534 	return 0;
535 }
536 
ath6kl_wmi_rx_probe_req_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)537 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
538 					    struct ath6kl_vif *vif)
539 {
540 	struct wmi_p2p_rx_probe_req_event *ev;
541 	u32 freq;
542 	u16 dlen;
543 
544 	if (len < sizeof(*ev))
545 		return -EINVAL;
546 
547 	ev = (struct wmi_p2p_rx_probe_req_event *) datap;
548 	freq = le32_to_cpu(ev->freq);
549 	dlen = le16_to_cpu(ev->len);
550 	if (datap + len < ev->data + dlen) {
551 		ath6kl_err("invalid wmi_p2p_rx_probe_req_event: "
552 			   "len=%d dlen=%u\n", len, dlen);
553 		return -EINVAL;
554 	}
555 	ath6kl_dbg(ATH6KL_DBG_WMI, "rx_probe_req: len=%u freq=%u "
556 		   "probe_req_report=%d\n",
557 		   dlen, freq, vif->probe_req_report);
558 
559 	if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
560 		cfg80211_rx_mgmt(vif->ndev, freq, 0,
561 				 ev->data, dlen, GFP_ATOMIC);
562 
563 	return 0;
564 }
565 
ath6kl_wmi_p2p_capabilities_event_rx(u8 * datap,int len)566 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
567 {
568 	struct wmi_p2p_capabilities_event *ev;
569 	u16 dlen;
570 
571 	if (len < sizeof(*ev))
572 		return -EINVAL;
573 
574 	ev = (struct wmi_p2p_capabilities_event *) datap;
575 	dlen = le16_to_cpu(ev->len);
576 	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
577 
578 	return 0;
579 }
580 
ath6kl_wmi_rx_action_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)581 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
582 					 struct ath6kl_vif *vif)
583 {
584 	struct wmi_rx_action_event *ev;
585 	u32 freq;
586 	u16 dlen;
587 
588 	if (len < sizeof(*ev))
589 		return -EINVAL;
590 
591 	ev = (struct wmi_rx_action_event *) datap;
592 	freq = le32_to_cpu(ev->freq);
593 	dlen = le16_to_cpu(ev->len);
594 	if (datap + len < ev->data + dlen) {
595 		ath6kl_err("invalid wmi_rx_action_event: "
596 			   "len=%d dlen=%u\n", len, dlen);
597 		return -EINVAL;
598 	}
599 	ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
600 	cfg80211_rx_mgmt(vif->ndev, freq, 0,
601 			 ev->data, dlen, GFP_ATOMIC);
602 
603 	return 0;
604 }
605 
ath6kl_wmi_p2p_info_event_rx(u8 * datap,int len)606 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
607 {
608 	struct wmi_p2p_info_event *ev;
609 	u32 flags;
610 	u16 dlen;
611 
612 	if (len < sizeof(*ev))
613 		return -EINVAL;
614 
615 	ev = (struct wmi_p2p_info_event *) datap;
616 	flags = le32_to_cpu(ev->info_req_flags);
617 	dlen = le16_to_cpu(ev->len);
618 	ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
619 
620 	if (flags & P2P_FLAG_CAPABILITIES_REQ) {
621 		struct wmi_p2p_capabilities *cap;
622 		if (dlen < sizeof(*cap))
623 			return -EINVAL;
624 		cap = (struct wmi_p2p_capabilities *) ev->data;
625 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
626 			   cap->go_power_save);
627 	}
628 
629 	if (flags & P2P_FLAG_MACADDR_REQ) {
630 		struct wmi_p2p_macaddr *mac;
631 		if (dlen < sizeof(*mac))
632 			return -EINVAL;
633 		mac = (struct wmi_p2p_macaddr *) ev->data;
634 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
635 			   mac->mac_addr);
636 	}
637 
638 	if (flags & P2P_FLAG_HMODEL_REQ) {
639 		struct wmi_p2p_hmodel *mod;
640 		if (dlen < sizeof(*mod))
641 			return -EINVAL;
642 		mod = (struct wmi_p2p_hmodel *) ev->data;
643 		ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
644 			   mod->p2p_model,
645 			   mod->p2p_model ? "host" : "firmware");
646 	}
647 	return 0;
648 }
649 
ath6kl_wmi_get_new_buf(u32 size)650 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
651 {
652 	struct sk_buff *skb;
653 
654 	skb = ath6kl_buf_alloc(size);
655 	if (!skb)
656 		return NULL;
657 
658 	skb_put(skb, size);
659 	if (size)
660 		memset(skb->data, 0, size);
661 
662 	return skb;
663 }
664 
665 /* Send a "simple" wmi command -- one with no arguments */
ath6kl_wmi_simple_cmd(struct wmi * wmi,u8 if_idx,enum wmi_cmd_id cmd_id)666 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
667 				 enum wmi_cmd_id cmd_id)
668 {
669 	struct sk_buff *skb;
670 	int ret;
671 
672 	skb = ath6kl_wmi_get_new_buf(0);
673 	if (!skb)
674 		return -ENOMEM;
675 
676 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
677 
678 	return ret;
679 }
680 
ath6kl_wmi_ready_event_rx(struct wmi * wmi,u8 * datap,int len)681 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
682 {
683 	struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
684 
685 	if (len < sizeof(struct wmi_ready_event_2))
686 		return -EINVAL;
687 
688 	ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
689 			   le32_to_cpu(ev->sw_version),
690 			   le32_to_cpu(ev->abi_version));
691 
692 	return 0;
693 }
694 
695 /*
696  * Mechanism to modify the roaming behavior in the firmware. The lower rssi
697  * at which the station has to roam can be passed with
698  * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
699  * in dBm.
700  */
ath6kl_wmi_set_roam_lrssi_cmd(struct wmi * wmi,u8 lrssi)701 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
702 {
703 	struct sk_buff *skb;
704 	struct roam_ctrl_cmd *cmd;
705 
706 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
707 	if (!skb)
708 		return -ENOMEM;
709 
710 	cmd = (struct roam_ctrl_cmd *) skb->data;
711 
712 	cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
713 	cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
714 						       DEF_SCAN_FOR_ROAM_INTVL);
715 	cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
716 	cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
717 	cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
718 
719 	ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
720 			    NO_SYNC_WMIFLAG);
721 
722 	return 0;
723 }
724 
ath6kl_wmi_force_roam_cmd(struct wmi * wmi,const u8 * bssid)725 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
726 {
727 	struct sk_buff *skb;
728 	struct roam_ctrl_cmd *cmd;
729 
730 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
731 	if (!skb)
732 		return -ENOMEM;
733 
734 	cmd = (struct roam_ctrl_cmd *) skb->data;
735 	memset(cmd, 0, sizeof(*cmd));
736 
737 	memcpy(cmd->info.bssid, bssid, ETH_ALEN);
738 	cmd->roam_ctrl = WMI_FORCE_ROAM;
739 
740 	ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
741 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
742 				   NO_SYNC_WMIFLAG);
743 }
744 
ath6kl_wmi_set_roam_mode_cmd(struct wmi * wmi,enum wmi_roam_mode mode)745 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
746 {
747 	struct sk_buff *skb;
748 	struct roam_ctrl_cmd *cmd;
749 
750 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
751 	if (!skb)
752 		return -ENOMEM;
753 
754 	cmd = (struct roam_ctrl_cmd *) skb->data;
755 	memset(cmd, 0, sizeof(*cmd));
756 
757 	cmd->info.roam_mode = mode;
758 	cmd->roam_ctrl = WMI_SET_ROAM_MODE;
759 
760 	ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
761 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
762 				   NO_SYNC_WMIFLAG);
763 }
764 
ath6kl_wmi_connect_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)765 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
766 				       struct ath6kl_vif *vif)
767 {
768 	struct wmi_connect_event *ev;
769 	u8 *pie, *peie;
770 
771 	if (len < sizeof(struct wmi_connect_event))
772 		return -EINVAL;
773 
774 	ev = (struct wmi_connect_event *) datap;
775 
776 	if (vif->nw_type == AP_NETWORK) {
777 		/* AP mode start/STA connected event */
778 		struct net_device *dev = vif->ndev;
779 		if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
780 			ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM "
781 				   "(AP started)\n",
782 				   __func__, le16_to_cpu(ev->u.ap_bss.ch),
783 				   ev->u.ap_bss.bssid);
784 			ath6kl_connect_ap_mode_bss(
785 				vif, le16_to_cpu(ev->u.ap_bss.ch));
786 		} else {
787 			ath6kl_dbg(ATH6KL_DBG_WMI, "%s: aid %u mac_addr %pM "
788 				   "auth=%u keymgmt=%u cipher=%u apsd_info=%u "
789 				   "(STA connected)\n",
790 				   __func__, ev->u.ap_sta.aid,
791 				   ev->u.ap_sta.mac_addr,
792 				   ev->u.ap_sta.auth,
793 				   ev->u.ap_sta.keymgmt,
794 				   le16_to_cpu(ev->u.ap_sta.cipher),
795 				   ev->u.ap_sta.apsd_info);
796 
797 			ath6kl_connect_ap_mode_sta(
798 				vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
799 				ev->u.ap_sta.keymgmt,
800 				le16_to_cpu(ev->u.ap_sta.cipher),
801 				ev->u.ap_sta.auth, ev->assoc_req_len,
802 				ev->assoc_info + ev->beacon_ie_len,
803 				ev->u.ap_sta.apsd_info);
804 		}
805 		return 0;
806 	}
807 
808 	/* STA/IBSS mode connection event */
809 
810 	ath6kl_dbg(ATH6KL_DBG_WMI,
811 		   "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
812 		   le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
813 		   le16_to_cpu(ev->u.sta.listen_intvl),
814 		   le16_to_cpu(ev->u.sta.beacon_intvl),
815 		   le32_to_cpu(ev->u.sta.nw_type));
816 
817 	/* Start of assoc rsp IEs */
818 	pie = ev->assoc_info + ev->beacon_ie_len +
819 	      ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
820 
821 	/* End of assoc rsp IEs */
822 	peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
823 	    ev->assoc_resp_len;
824 
825 	while (pie < peie) {
826 		switch (*pie) {
827 		case WLAN_EID_VENDOR_SPECIFIC:
828 			if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
829 			    pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
830 				/* WMM OUT (00:50:F2) */
831 				if (pie[1] > 5 &&
832 				    pie[6] == WMM_PARAM_OUI_SUBTYPE)
833 					wmi->is_wmm_enabled = true;
834 			}
835 			break;
836 		}
837 
838 		if (wmi->is_wmm_enabled)
839 			break;
840 
841 		pie += pie[1] + 2;
842 	}
843 
844 	ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
845 			     ev->u.sta.bssid,
846 			     le16_to_cpu(ev->u.sta.listen_intvl),
847 			     le16_to_cpu(ev->u.sta.beacon_intvl),
848 			     le32_to_cpu(ev->u.sta.nw_type),
849 			     ev->beacon_ie_len, ev->assoc_req_len,
850 			     ev->assoc_resp_len, ev->assoc_info);
851 
852 	return 0;
853 }
854 
855 static struct country_code_to_enum_rd *
ath6kl_regd_find_country(u16 countryCode)856 ath6kl_regd_find_country(u16 countryCode)
857 {
858 	int i;
859 
860 	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
861 		if (allCountries[i].countryCode == countryCode)
862 			return &allCountries[i];
863 	}
864 
865 	return NULL;
866 }
867 
868 static struct reg_dmn_pair_mapping *
ath6kl_get_regpair(u16 regdmn)869 ath6kl_get_regpair(u16 regdmn)
870 {
871 	int i;
872 
873 	if (regdmn == NO_ENUMRD)
874 		return NULL;
875 
876 	for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
877 		if (regDomainPairs[i].regDmnEnum == regdmn)
878 			return &regDomainPairs[i];
879 	}
880 
881 	return NULL;
882 }
883 
884 static struct country_code_to_enum_rd *
ath6kl_regd_find_country_by_rd(u16 regdmn)885 ath6kl_regd_find_country_by_rd(u16 regdmn)
886 {
887 	int i;
888 
889 	for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
890 		if (allCountries[i].regDmnEnum == regdmn)
891 			return &allCountries[i];
892 	}
893 
894 	return NULL;
895 }
896 
ath6kl_wmi_regdomain_event(struct wmi * wmi,u8 * datap,int len)897 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
898 {
899 
900 	struct ath6kl_wmi_regdomain *ev;
901 	struct country_code_to_enum_rd *country = NULL;
902 	struct reg_dmn_pair_mapping *regpair = NULL;
903 	char alpha2[2];
904 	u32 reg_code;
905 
906 	ev = (struct ath6kl_wmi_regdomain *) datap;
907 	reg_code = le32_to_cpu(ev->reg_code);
908 
909 	if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG)
910 		country = ath6kl_regd_find_country((u16) reg_code);
911 	else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
912 
913 		regpair = ath6kl_get_regpair((u16) reg_code);
914 		country = ath6kl_regd_find_country_by_rd((u16) reg_code);
915 		ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
916 			   regpair->regDmnEnum);
917 	}
918 
919 	if (country && wmi->parent_dev->wiphy_registered) {
920 		alpha2[0] = country->isoName[0];
921 		alpha2[1] = country->isoName[1];
922 
923 		regulatory_hint(wmi->parent_dev->wiphy, alpha2);
924 
925 		ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
926 			   alpha2[0], alpha2[1]);
927 	}
928 }
929 
ath6kl_wmi_disconnect_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)930 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
931 					  struct ath6kl_vif *vif)
932 {
933 	struct wmi_disconnect_event *ev;
934 	wmi->traffic_class = 100;
935 
936 	if (len < sizeof(struct wmi_disconnect_event))
937 		return -EINVAL;
938 
939 	ev = (struct wmi_disconnect_event *) datap;
940 
941 	ath6kl_dbg(ATH6KL_DBG_WMI,
942 		   "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
943 		   le16_to_cpu(ev->proto_reason_status), ev->bssid,
944 		   ev->disconn_reason, ev->assoc_resp_len);
945 
946 	wmi->is_wmm_enabled = false;
947 
948 	ath6kl_disconnect_event(vif, ev->disconn_reason,
949 				ev->bssid, ev->assoc_resp_len, ev->assoc_info,
950 				le16_to_cpu(ev->proto_reason_status));
951 
952 	return 0;
953 }
954 
ath6kl_wmi_peer_node_event_rx(struct wmi * wmi,u8 * datap,int len)955 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
956 {
957 	struct wmi_peer_node_event *ev;
958 
959 	if (len < sizeof(struct wmi_peer_node_event))
960 		return -EINVAL;
961 
962 	ev = (struct wmi_peer_node_event *) datap;
963 
964 	if (ev->event_code == PEER_NODE_JOIN_EVENT)
965 		ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
966 			   ev->peer_mac_addr);
967 	else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
968 		ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
969 			   ev->peer_mac_addr);
970 
971 	return 0;
972 }
973 
ath6kl_wmi_tkip_micerr_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)974 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
975 					   struct ath6kl_vif *vif)
976 {
977 	struct wmi_tkip_micerr_event *ev;
978 
979 	if (len < sizeof(struct wmi_tkip_micerr_event))
980 		return -EINVAL;
981 
982 	ev = (struct wmi_tkip_micerr_event *) datap;
983 
984 	ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
985 
986 	return 0;
987 }
988 
ath6kl_wmi_sscan_timer(unsigned long ptr)989 void ath6kl_wmi_sscan_timer(unsigned long ptr)
990 {
991 	struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr;
992 
993 	cfg80211_sched_scan_results(vif->ar->wiphy);
994 }
995 
ath6kl_wmi_bssinfo_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)996 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
997 				       struct ath6kl_vif *vif)
998 {
999 	struct wmi_bss_info_hdr2 *bih;
1000 	u8 *buf;
1001 	struct ieee80211_channel *channel;
1002 	struct ath6kl *ar = wmi->parent_dev;
1003 	struct ieee80211_mgmt *mgmt;
1004 	struct cfg80211_bss *bss;
1005 
1006 	if (len <= sizeof(struct wmi_bss_info_hdr2))
1007 		return -EINVAL;
1008 
1009 	bih = (struct wmi_bss_info_hdr2 *) datap;
1010 	buf = datap + sizeof(struct wmi_bss_info_hdr2);
1011 	len -= sizeof(struct wmi_bss_info_hdr2);
1012 
1013 	ath6kl_dbg(ATH6KL_DBG_WMI,
1014 		   "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1015 		   "frame_type=%d\n",
1016 		   bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1017 		   bih->frame_type);
1018 
1019 	if (bih->frame_type != BEACON_FTYPE &&
1020 	    bih->frame_type != PROBERESP_FTYPE)
1021 		return 0; /* Only update BSS table for now */
1022 
1023 	if (bih->frame_type == BEACON_FTYPE &&
1024 	    test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1025 		clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1026 		ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1027 					 NONE_BSS_FILTER, 0);
1028 	}
1029 
1030 	channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1031 	if (channel == NULL)
1032 		return -EINVAL;
1033 
1034 	if (len < 8 + 2 + 2)
1035 		return -EINVAL;
1036 
1037 	if (bih->frame_type == BEACON_FTYPE &&
1038 	    test_bit(CONNECTED, &vif->flags) &&
1039 	    memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1040 		const u8 *tim;
1041 		tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1042 				       len - 8 - 2 - 2);
1043 		if (tim && tim[1] >= 2) {
1044 			vif->assoc_bss_dtim_period = tim[3];
1045 			set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1046 		}
1047 	}
1048 
1049 	/*
1050 	 * In theory, use of cfg80211_inform_bss() would be more natural here
1051 	 * since we do not have the full frame. However, at least for now,
1052 	 * cfg80211 can only distinguish Beacon and Probe Response frames from
1053 	 * each other when using cfg80211_inform_bss_frame(), so let's build a
1054 	 * fake IEEE 802.11 header to be able to take benefit of this.
1055 	 */
1056 	mgmt = kmalloc(24 + len, GFP_ATOMIC);
1057 	if (mgmt == NULL)
1058 		return -EINVAL;
1059 
1060 	if (bih->frame_type == BEACON_FTYPE) {
1061 		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1062 						  IEEE80211_STYPE_BEACON);
1063 		memset(mgmt->da, 0xff, ETH_ALEN);
1064 	} else {
1065 		struct net_device *dev = vif->ndev;
1066 
1067 		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
1068 						  IEEE80211_STYPE_PROBE_RESP);
1069 		memcpy(mgmt->da, dev->dev_addr, ETH_ALEN);
1070 	}
1071 	mgmt->duration = cpu_to_le16(0);
1072 	memcpy(mgmt->sa, bih->bssid, ETH_ALEN);
1073 	memcpy(mgmt->bssid, bih->bssid, ETH_ALEN);
1074 	mgmt->seq_ctrl = cpu_to_le16(0);
1075 
1076 	memcpy(&mgmt->u.beacon, buf, len);
1077 
1078 	bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt,
1079 					24 + len, (bih->snr - 95) * 100,
1080 					GFP_ATOMIC);
1081 	kfree(mgmt);
1082 	if (bss == NULL)
1083 		return -ENOMEM;
1084 	cfg80211_put_bss(bss);
1085 
1086 	/*
1087 	 * Firmware doesn't return any event when scheduled scan has
1088 	 * finished, so we need to use a timer to find out when there are
1089 	 * no more results.
1090 	 *
1091 	 * The timer is started from the first bss info received, otherwise
1092 	 * the timer would not ever fire if the scan interval is short
1093 	 * enough.
1094 	 */
1095 	if (ar->state == ATH6KL_STATE_SCHED_SCAN &&
1096 	    !timer_pending(&vif->sched_scan_timer)) {
1097 		mod_timer(&vif->sched_scan_timer, jiffies +
1098 			  msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1099 	}
1100 
1101 	return 0;
1102 }
1103 
1104 /* Inactivity timeout of a fatpipe(pstream) at the target */
ath6kl_wmi_pstream_timeout_event_rx(struct wmi * wmi,u8 * datap,int len)1105 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1106 					       int len)
1107 {
1108 	struct wmi_pstream_timeout_event *ev;
1109 
1110 	if (len < sizeof(struct wmi_pstream_timeout_event))
1111 		return -EINVAL;
1112 
1113 	ev = (struct wmi_pstream_timeout_event *) datap;
1114 
1115 	/*
1116 	 * When the pstream (fat pipe == AC) timesout, it means there were
1117 	 * no thinStreams within this pstream & it got implicitly created
1118 	 * due to data flow on this AC. We start the inactivity timer only
1119 	 * for implicitly created pstream. Just reset the host state.
1120 	 */
1121 	spin_lock_bh(&wmi->lock);
1122 	wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1123 	wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1124 	spin_unlock_bh(&wmi->lock);
1125 
1126 	/* Indicate inactivity to driver layer for this fatpipe (pstream) */
1127 	ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1128 
1129 	return 0;
1130 }
1131 
ath6kl_wmi_bitrate_reply_rx(struct wmi * wmi,u8 * datap,int len)1132 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1133 {
1134 	struct wmi_bit_rate_reply *reply;
1135 	s32 rate;
1136 	u32 sgi, index;
1137 
1138 	if (len < sizeof(struct wmi_bit_rate_reply))
1139 		return -EINVAL;
1140 
1141 	reply = (struct wmi_bit_rate_reply *) datap;
1142 
1143 	ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1144 
1145 	if (reply->rate_index == (s8) RATE_AUTO) {
1146 		rate = RATE_AUTO;
1147 	} else {
1148 		index = reply->rate_index & 0x7f;
1149 		sgi = (reply->rate_index & 0x80) ? 1 : 0;
1150 		rate = wmi_rate_tbl[index][sgi];
1151 	}
1152 
1153 	ath6kl_wakeup_event(wmi->parent_dev);
1154 
1155 	return 0;
1156 }
1157 
ath6kl_wmi_test_rx(struct wmi * wmi,u8 * datap,int len)1158 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1159 {
1160 	ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1161 
1162 	return 0;
1163 }
1164 
ath6kl_wmi_ratemask_reply_rx(struct wmi * wmi,u8 * datap,int len)1165 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1166 {
1167 	if (len < sizeof(struct wmi_fix_rates_reply))
1168 		return -EINVAL;
1169 
1170 	ath6kl_wakeup_event(wmi->parent_dev);
1171 
1172 	return 0;
1173 }
1174 
ath6kl_wmi_ch_list_reply_rx(struct wmi * wmi,u8 * datap,int len)1175 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1176 {
1177 	if (len < sizeof(struct wmi_channel_list_reply))
1178 		return -EINVAL;
1179 
1180 	ath6kl_wakeup_event(wmi->parent_dev);
1181 
1182 	return 0;
1183 }
1184 
ath6kl_wmi_tx_pwr_reply_rx(struct wmi * wmi,u8 * datap,int len)1185 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1186 {
1187 	struct wmi_tx_pwr_reply *reply;
1188 
1189 	if (len < sizeof(struct wmi_tx_pwr_reply))
1190 		return -EINVAL;
1191 
1192 	reply = (struct wmi_tx_pwr_reply *) datap;
1193 	ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1194 
1195 	return 0;
1196 }
1197 
ath6kl_wmi_keepalive_reply_rx(struct wmi * wmi,u8 * datap,int len)1198 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1199 {
1200 	if (len < sizeof(struct wmi_get_keepalive_cmd))
1201 		return -EINVAL;
1202 
1203 	ath6kl_wakeup_event(wmi->parent_dev);
1204 
1205 	return 0;
1206 }
1207 
ath6kl_wmi_scan_complete_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1208 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1209 				       struct ath6kl_vif *vif)
1210 {
1211 	struct wmi_scan_complete_event *ev;
1212 
1213 	ev = (struct wmi_scan_complete_event *) datap;
1214 
1215 	ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1216 	wmi->is_probe_ssid = false;
1217 
1218 	return 0;
1219 }
1220 
ath6kl_wmi_neighbor_report_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1221 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1222 					       int len, struct ath6kl_vif *vif)
1223 {
1224 	struct wmi_neighbor_report_event *ev;
1225 	u8 i;
1226 
1227 	if (len < sizeof(*ev))
1228 		return -EINVAL;
1229 	ev = (struct wmi_neighbor_report_event *) datap;
1230 	if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1231 	    > len) {
1232 		ath6kl_dbg(ATH6KL_DBG_WMI, "truncated neighbor event "
1233 			   "(num=%d len=%d)\n", ev->num_neighbors, len);
1234 		return -EINVAL;
1235 	}
1236 	for (i = 0; i < ev->num_neighbors; i++) {
1237 		ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1238 			   i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1239 			   ev->neighbor[i].bss_flags);
1240 		cfg80211_pmksa_candidate_notify(vif->ndev, i,
1241 						ev->neighbor[i].bssid,
1242 						!!(ev->neighbor[i].bss_flags &
1243 						   WMI_PREAUTH_CAPABLE_BSS),
1244 						GFP_ATOMIC);
1245 	}
1246 
1247 	return 0;
1248 }
1249 
1250 /*
1251  * Target is reporting a programming error.  This is for
1252  * developer aid only.  Target only checks a few common violations
1253  * and it is responsibility of host to do all error checking.
1254  * Behavior of target after wmi error event is undefined.
1255  * A reset is recommended.
1256  */
ath6kl_wmi_error_event_rx(struct wmi * wmi,u8 * datap,int len)1257 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1258 {
1259 	const char *type = "unknown error";
1260 	struct wmi_cmd_error_event *ev;
1261 	ev = (struct wmi_cmd_error_event *) datap;
1262 
1263 	switch (ev->err_code) {
1264 	case INVALID_PARAM:
1265 		type = "invalid parameter";
1266 		break;
1267 	case ILLEGAL_STATE:
1268 		type = "invalid state";
1269 		break;
1270 	case INTERNAL_ERROR:
1271 		type = "internal error";
1272 		break;
1273 	}
1274 
1275 	ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1276 		   ev->cmd_id, type);
1277 
1278 	return 0;
1279 }
1280 
ath6kl_wmi_stats_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1281 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1282 				     struct ath6kl_vif *vif)
1283 {
1284 	ath6kl_tgt_stats_event(vif, datap, len);
1285 
1286 	return 0;
1287 }
1288 
ath6kl_wmi_get_upper_threshold(s16 rssi,struct sq_threshold_params * sq_thresh,u32 size)1289 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1290 					 struct sq_threshold_params *sq_thresh,
1291 					 u32 size)
1292 {
1293 	u32 index;
1294 	u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1295 
1296 	/* The list is already in sorted order. Get the next lower value */
1297 	for (index = 0; index < size; index++) {
1298 		if (rssi < sq_thresh->upper_threshold[index]) {
1299 			threshold = (u8) sq_thresh->upper_threshold[index];
1300 			break;
1301 		}
1302 	}
1303 
1304 	return threshold;
1305 }
1306 
ath6kl_wmi_get_lower_threshold(s16 rssi,struct sq_threshold_params * sq_thresh,u32 size)1307 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1308 					 struct sq_threshold_params *sq_thresh,
1309 					 u32 size)
1310 {
1311 	u32 index;
1312 	u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1313 
1314 	/* The list is already in sorted order. Get the next lower value */
1315 	for (index = 0; index < size; index++) {
1316 		if (rssi > sq_thresh->lower_threshold[index]) {
1317 			threshold = (u8) sq_thresh->lower_threshold[index];
1318 			break;
1319 		}
1320 	}
1321 
1322 	return threshold;
1323 }
1324 
ath6kl_wmi_send_rssi_threshold_params(struct wmi * wmi,struct wmi_rssi_threshold_params_cmd * rssi_cmd)1325 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1326 			struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1327 {
1328 	struct sk_buff *skb;
1329 	struct wmi_rssi_threshold_params_cmd *cmd;
1330 
1331 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1332 	if (!skb)
1333 		return -ENOMEM;
1334 
1335 	cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1336 	memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1337 
1338 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1339 				   NO_SYNC_WMIFLAG);
1340 }
1341 
ath6kl_wmi_rssi_threshold_event_rx(struct wmi * wmi,u8 * datap,int len)1342 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1343 					      int len)
1344 {
1345 	struct wmi_rssi_threshold_event *reply;
1346 	struct wmi_rssi_threshold_params_cmd cmd;
1347 	struct sq_threshold_params *sq_thresh;
1348 	enum wmi_rssi_threshold_val new_threshold;
1349 	u8 upper_rssi_threshold, lower_rssi_threshold;
1350 	s16 rssi;
1351 	int ret;
1352 
1353 	if (len < sizeof(struct wmi_rssi_threshold_event))
1354 		return -EINVAL;
1355 
1356 	reply = (struct wmi_rssi_threshold_event *) datap;
1357 	new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1358 	rssi = a_sle16_to_cpu(reply->rssi);
1359 
1360 	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1361 
1362 	/*
1363 	 * Identify the threshold breached and communicate that to the app.
1364 	 * After that install a new set of thresholds based on the signal
1365 	 * quality reported by the target
1366 	 */
1367 	if (new_threshold) {
1368 		/* Upper threshold breached */
1369 		if (rssi < sq_thresh->upper_threshold[0]) {
1370 			ath6kl_dbg(ATH6KL_DBG_WMI,
1371 				   "spurious upper rssi threshold event: %d\n",
1372 				   rssi);
1373 		} else if ((rssi < sq_thresh->upper_threshold[1]) &&
1374 			   (rssi >= sq_thresh->upper_threshold[0])) {
1375 			new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1376 		} else if ((rssi < sq_thresh->upper_threshold[2]) &&
1377 			   (rssi >= sq_thresh->upper_threshold[1])) {
1378 			new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1379 		} else if ((rssi < sq_thresh->upper_threshold[3]) &&
1380 			   (rssi >= sq_thresh->upper_threshold[2])) {
1381 			new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1382 		} else if ((rssi < sq_thresh->upper_threshold[4]) &&
1383 			   (rssi >= sq_thresh->upper_threshold[3])) {
1384 			new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1385 		} else if ((rssi < sq_thresh->upper_threshold[5]) &&
1386 			   (rssi >= sq_thresh->upper_threshold[4])) {
1387 			new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1388 		} else if (rssi >= sq_thresh->upper_threshold[5]) {
1389 			new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1390 		}
1391 	} else {
1392 		/* Lower threshold breached */
1393 		if (rssi > sq_thresh->lower_threshold[0]) {
1394 			ath6kl_dbg(ATH6KL_DBG_WMI,
1395 				   "spurious lower rssi threshold event: %d %d\n",
1396 				rssi, sq_thresh->lower_threshold[0]);
1397 		} else if ((rssi > sq_thresh->lower_threshold[1]) &&
1398 			   (rssi <= sq_thresh->lower_threshold[0])) {
1399 			new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1400 		} else if ((rssi > sq_thresh->lower_threshold[2]) &&
1401 			   (rssi <= sq_thresh->lower_threshold[1])) {
1402 			new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1403 		} else if ((rssi > sq_thresh->lower_threshold[3]) &&
1404 			   (rssi <= sq_thresh->lower_threshold[2])) {
1405 			new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1406 		} else if ((rssi > sq_thresh->lower_threshold[4]) &&
1407 			   (rssi <= sq_thresh->lower_threshold[3])) {
1408 			new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1409 		} else if ((rssi > sq_thresh->lower_threshold[5]) &&
1410 			   (rssi <= sq_thresh->lower_threshold[4])) {
1411 			new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1412 		} else if (rssi <= sq_thresh->lower_threshold[5]) {
1413 			new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1414 		}
1415 	}
1416 
1417 	/* Calculate and install the next set of thresholds */
1418 	lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1419 				       sq_thresh->lower_threshold_valid_count);
1420 	upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1421 				       sq_thresh->upper_threshold_valid_count);
1422 
1423 	/* Issue a wmi command to install the thresholds */
1424 	cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1425 	cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1426 	cmd.weight = sq_thresh->weight;
1427 	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1428 
1429 	ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1430 	if (ret) {
1431 		ath6kl_err("unable to configure rssi thresholds\n");
1432 		return -EIO;
1433 	}
1434 
1435 	return 0;
1436 }
1437 
ath6kl_wmi_cac_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1438 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1439 				   struct ath6kl_vif *vif)
1440 {
1441 	struct wmi_cac_event *reply;
1442 	struct ieee80211_tspec_ie *ts;
1443 	u16 active_tsids, tsinfo;
1444 	u8 tsid, index;
1445 	u8 ts_id;
1446 
1447 	if (len < sizeof(struct wmi_cac_event))
1448 		return -EINVAL;
1449 
1450 	reply = (struct wmi_cac_event *) datap;
1451 
1452 	if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1453 	    (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1454 
1455 		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1456 		tsinfo = le16_to_cpu(ts->tsinfo);
1457 		tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1458 			IEEE80211_WMM_IE_TSPEC_TID_MASK;
1459 
1460 		ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1461 					      reply->ac, tsid);
1462 	} else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1463 		/*
1464 		 * Following assumes that there is only one outstanding
1465 		 * ADDTS request when this event is received
1466 		 */
1467 		spin_lock_bh(&wmi->lock);
1468 		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1469 		spin_unlock_bh(&wmi->lock);
1470 
1471 		for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1472 			if ((active_tsids >> index) & 1)
1473 				break;
1474 		}
1475 		if (index < (sizeof(active_tsids) * 8))
1476 			ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1477 						      reply->ac, index);
1478 	}
1479 
1480 	/*
1481 	 * Clear active tsids and Add missing handling
1482 	 * for delete qos stream from AP
1483 	 */
1484 	else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1485 
1486 		ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1487 		tsinfo = le16_to_cpu(ts->tsinfo);
1488 		ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1489 			 IEEE80211_WMM_IE_TSPEC_TID_MASK);
1490 
1491 		spin_lock_bh(&wmi->lock);
1492 		wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1493 		active_tsids = wmi->stream_exist_for_ac[reply->ac];
1494 		spin_unlock_bh(&wmi->lock);
1495 
1496 		/* Indicate stream inactivity to driver layer only if all tsids
1497 		 * within this AC are deleted.
1498 		 */
1499 		if (!active_tsids) {
1500 			ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1501 						    false);
1502 			wmi->fat_pipe_exist &= ~(1 << reply->ac);
1503 		}
1504 	}
1505 
1506 	return 0;
1507 }
1508 
ath6kl_wmi_send_snr_threshold_params(struct wmi * wmi,struct wmi_snr_threshold_params_cmd * snr_cmd)1509 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1510 			struct wmi_snr_threshold_params_cmd *snr_cmd)
1511 {
1512 	struct sk_buff *skb;
1513 	struct wmi_snr_threshold_params_cmd *cmd;
1514 
1515 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1516 	if (!skb)
1517 		return -ENOMEM;
1518 
1519 	cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1520 	memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1521 
1522 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1523 				   NO_SYNC_WMIFLAG);
1524 }
1525 
ath6kl_wmi_snr_threshold_event_rx(struct wmi * wmi,u8 * datap,int len)1526 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1527 					     int len)
1528 {
1529 	struct wmi_snr_threshold_event *reply;
1530 	struct sq_threshold_params *sq_thresh;
1531 	struct wmi_snr_threshold_params_cmd cmd;
1532 	enum wmi_snr_threshold_val new_threshold;
1533 	u8 upper_snr_threshold, lower_snr_threshold;
1534 	s16 snr;
1535 	int ret;
1536 
1537 	if (len < sizeof(struct wmi_snr_threshold_event))
1538 		return -EINVAL;
1539 
1540 	reply = (struct wmi_snr_threshold_event *) datap;
1541 
1542 	new_threshold = (enum wmi_snr_threshold_val) reply->range;
1543 	snr = reply->snr;
1544 
1545 	sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1546 
1547 	/*
1548 	 * Identify the threshold breached and communicate that to the app.
1549 	 * After that install a new set of thresholds based on the signal
1550 	 * quality reported by the target.
1551 	 */
1552 	if (new_threshold) {
1553 		/* Upper threshold breached */
1554 		if (snr < sq_thresh->upper_threshold[0]) {
1555 			ath6kl_dbg(ATH6KL_DBG_WMI,
1556 				   "spurious upper snr threshold event: %d\n",
1557 				   snr);
1558 		} else if ((snr < sq_thresh->upper_threshold[1]) &&
1559 			   (snr >= sq_thresh->upper_threshold[0])) {
1560 			new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1561 		} else if ((snr < sq_thresh->upper_threshold[2]) &&
1562 			   (snr >= sq_thresh->upper_threshold[1])) {
1563 			new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1564 		} else if ((snr < sq_thresh->upper_threshold[3]) &&
1565 			   (snr >= sq_thresh->upper_threshold[2])) {
1566 			new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1567 		} else if (snr >= sq_thresh->upper_threshold[3]) {
1568 			new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1569 		}
1570 	} else {
1571 		/* Lower threshold breached */
1572 		if (snr > sq_thresh->lower_threshold[0]) {
1573 			ath6kl_dbg(ATH6KL_DBG_WMI,
1574 				   "spurious lower snr threshold event: %d\n",
1575 				   sq_thresh->lower_threshold[0]);
1576 		} else if ((snr > sq_thresh->lower_threshold[1]) &&
1577 			   (snr <= sq_thresh->lower_threshold[0])) {
1578 			new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1579 		} else if ((snr > sq_thresh->lower_threshold[2]) &&
1580 			   (snr <= sq_thresh->lower_threshold[1])) {
1581 			new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1582 		} else if ((snr > sq_thresh->lower_threshold[3]) &&
1583 			   (snr <= sq_thresh->lower_threshold[2])) {
1584 			new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1585 		} else if (snr <= sq_thresh->lower_threshold[3]) {
1586 			new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1587 		}
1588 	}
1589 
1590 	/* Calculate and install the next set of thresholds */
1591 	lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1592 				       sq_thresh->lower_threshold_valid_count);
1593 	upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1594 				       sq_thresh->upper_threshold_valid_count);
1595 
1596 	/* Issue a wmi command to install the thresholds */
1597 	cmd.thresh_above1_val = upper_snr_threshold;
1598 	cmd.thresh_below1_val = lower_snr_threshold;
1599 	cmd.weight = sq_thresh->weight;
1600 	cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1601 
1602 	ath6kl_dbg(ATH6KL_DBG_WMI,
1603 		   "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1604 		   snr, new_threshold,
1605 		   lower_snr_threshold, upper_snr_threshold);
1606 
1607 	ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1608 	if (ret) {
1609 		ath6kl_err("unable to configure snr threshold\n");
1610 		return -EIO;
1611 	}
1612 
1613 	return 0;
1614 }
1615 
ath6kl_wmi_aplist_event_rx(struct wmi * wmi,u8 * datap,int len)1616 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1617 {
1618 	u16 ap_info_entry_size;
1619 	struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1620 	struct wmi_ap_info_v1 *ap_info_v1;
1621 	u8 index;
1622 
1623 	if (len < sizeof(struct wmi_aplist_event) ||
1624 	    ev->ap_list_ver != APLIST_VER1)
1625 		return -EINVAL;
1626 
1627 	ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1628 	ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1629 
1630 	ath6kl_dbg(ATH6KL_DBG_WMI,
1631 		   "number of APs in aplist event: %d\n", ev->num_ap);
1632 
1633 	if (len < (int) (sizeof(struct wmi_aplist_event) +
1634 			 (ev->num_ap - 1) * ap_info_entry_size))
1635 		return -EINVAL;
1636 
1637 	/* AP list version 1 contents */
1638 	for (index = 0; index < ev->num_ap; index++) {
1639 		ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1640 			   index, ap_info_v1->bssid, ap_info_v1->channel);
1641 		ap_info_v1++;
1642 	}
1643 
1644 	return 0;
1645 }
1646 
ath6kl_wmi_cmd_send(struct wmi * wmi,u8 if_idx,struct sk_buff * skb,enum wmi_cmd_id cmd_id,enum wmi_sync_flag sync_flag)1647 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1648 			enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1649 {
1650 	struct wmi_cmd_hdr *cmd_hdr;
1651 	enum htc_endpoint_id ep_id = wmi->ep_id;
1652 	int ret;
1653 	u16 info1;
1654 
1655 	if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1))))
1656 		return -EINVAL;
1657 
1658 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1659 		   cmd_id, skb->len, sync_flag);
1660 	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1661 			skb->data, skb->len);
1662 
1663 	if (sync_flag >= END_WMIFLAG) {
1664 		dev_kfree_skb(skb);
1665 		return -EINVAL;
1666 	}
1667 
1668 	if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1669 	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1670 		/*
1671 		 * Make sure all data currently queued is transmitted before
1672 		 * the cmd execution.  Establish a new sync point.
1673 		 */
1674 		ath6kl_wmi_sync_point(wmi, if_idx);
1675 	}
1676 
1677 	skb_push(skb, sizeof(struct wmi_cmd_hdr));
1678 
1679 	cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1680 	cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1681 	info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1682 	cmd_hdr->info1 = cpu_to_le16(info1);
1683 
1684 	/* Only for OPT_TX_CMD, use BE endpoint. */
1685 	if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1686 		ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1687 					      false, false, 0, NULL, if_idx);
1688 		if (ret) {
1689 			dev_kfree_skb(skb);
1690 			return ret;
1691 		}
1692 		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1693 	}
1694 
1695 	ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1696 
1697 	if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1698 	    (sync_flag == SYNC_BOTH_WMIFLAG)) {
1699 		/*
1700 		 * Make sure all new data queued waits for the command to
1701 		 * execute. Establish a new sync point.
1702 		 */
1703 		ath6kl_wmi_sync_point(wmi, if_idx);
1704 	}
1705 
1706 	return 0;
1707 }
1708 
ath6kl_wmi_connect_cmd(struct wmi * wmi,u8 if_idx,enum network_type nw_type,enum dot11_auth_mode dot11_auth_mode,enum auth_mode auth_mode,enum crypto_type pairwise_crypto,u8 pairwise_crypto_len,enum crypto_type group_crypto,u8 group_crypto_len,int ssid_len,u8 * ssid,u8 * bssid,u16 channel,u32 ctrl_flags,u8 nw_subtype)1709 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1710 			   enum network_type nw_type,
1711 			   enum dot11_auth_mode dot11_auth_mode,
1712 			   enum auth_mode auth_mode,
1713 			   enum crypto_type pairwise_crypto,
1714 			   u8 pairwise_crypto_len,
1715 			   enum crypto_type group_crypto,
1716 			   u8 group_crypto_len, int ssid_len, u8 *ssid,
1717 			   u8 *bssid, u16 channel, u32 ctrl_flags,
1718 			   u8 nw_subtype)
1719 {
1720 	struct sk_buff *skb;
1721 	struct wmi_connect_cmd *cc;
1722 	int ret;
1723 
1724 	ath6kl_dbg(ATH6KL_DBG_WMI,
1725 		   "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1726 		   "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1727 		   bssid, channel, ctrl_flags, ssid_len, nw_type,
1728 		   dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1729 	ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1730 
1731 	wmi->traffic_class = 100;
1732 
1733 	if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1734 		return -EINVAL;
1735 
1736 	if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1737 		return -EINVAL;
1738 
1739 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1740 	if (!skb)
1741 		return -ENOMEM;
1742 
1743 	cc = (struct wmi_connect_cmd *) skb->data;
1744 
1745 	if (ssid_len)
1746 		memcpy(cc->ssid, ssid, ssid_len);
1747 
1748 	cc->ssid_len = ssid_len;
1749 	cc->nw_type = nw_type;
1750 	cc->dot11_auth_mode = dot11_auth_mode;
1751 	cc->auth_mode = auth_mode;
1752 	cc->prwise_crypto_type = pairwise_crypto;
1753 	cc->prwise_crypto_len = pairwise_crypto_len;
1754 	cc->grp_crypto_type = group_crypto;
1755 	cc->grp_crypto_len = group_crypto_len;
1756 	cc->ch = cpu_to_le16(channel);
1757 	cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1758 	cc->nw_subtype = nw_subtype;
1759 
1760 	if (bssid != NULL)
1761 		memcpy(cc->bssid, bssid, ETH_ALEN);
1762 
1763 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1764 				  NO_SYNC_WMIFLAG);
1765 
1766 	return ret;
1767 }
1768 
ath6kl_wmi_reconnect_cmd(struct wmi * wmi,u8 if_idx,u8 * bssid,u16 channel)1769 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1770 			     u16 channel)
1771 {
1772 	struct sk_buff *skb;
1773 	struct wmi_reconnect_cmd *cc;
1774 	int ret;
1775 
1776 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1777 		   bssid, channel);
1778 
1779 	wmi->traffic_class = 100;
1780 
1781 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1782 	if (!skb)
1783 		return -ENOMEM;
1784 
1785 	cc = (struct wmi_reconnect_cmd *) skb->data;
1786 	cc->channel = cpu_to_le16(channel);
1787 
1788 	if (bssid != NULL)
1789 		memcpy(cc->bssid, bssid, ETH_ALEN);
1790 
1791 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1792 				  NO_SYNC_WMIFLAG);
1793 
1794 	return ret;
1795 }
1796 
ath6kl_wmi_disconnect_cmd(struct wmi * wmi,u8 if_idx)1797 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1798 {
1799 	int ret;
1800 
1801 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1802 
1803 	wmi->traffic_class = 100;
1804 
1805 	/* Disconnect command does not need to do a SYNC before. */
1806 	ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1807 
1808 	return ret;
1809 }
1810 
ath6kl_wmi_beginscan_cmd(struct wmi * wmi,u8 if_idx,enum wmi_scan_type scan_type,u32 force_fgscan,u32 is_legacy,u32 home_dwell_time,u32 force_scan_interval,s8 num_chan,u16 * ch_list,u32 no_cck,u32 * rates)1811 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
1812 			     enum wmi_scan_type scan_type,
1813 			     u32 force_fgscan, u32 is_legacy,
1814 			     u32 home_dwell_time, u32 force_scan_interval,
1815 			     s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
1816 {
1817 	struct sk_buff *skb;
1818 	struct wmi_begin_scan_cmd *sc;
1819 	s8 size;
1820 	int i, band, ret;
1821 	struct ath6kl *ar = wmi->parent_dev;
1822 	int num_rates;
1823 
1824 	size = sizeof(struct wmi_begin_scan_cmd);
1825 
1826 	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1827 		return -EINVAL;
1828 
1829 	if (num_chan > WMI_MAX_CHANNELS)
1830 		return -EINVAL;
1831 
1832 	if (num_chan)
1833 		size += sizeof(u16) * (num_chan - 1);
1834 
1835 	skb = ath6kl_wmi_get_new_buf(size);
1836 	if (!skb)
1837 		return -ENOMEM;
1838 
1839 	sc = (struct wmi_begin_scan_cmd *) skb->data;
1840 	sc->scan_type = scan_type;
1841 	sc->force_fg_scan = cpu_to_le32(force_fgscan);
1842 	sc->is_legacy = cpu_to_le32(is_legacy);
1843 	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1844 	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1845 	sc->no_cck = cpu_to_le32(no_cck);
1846 	sc->num_ch = num_chan;
1847 
1848 	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1849 		struct ieee80211_supported_band *sband =
1850 		    ar->wiphy->bands[band];
1851 		u32 ratemask = rates[band];
1852 		u8 *supp_rates = sc->supp_rates[band].rates;
1853 		num_rates = 0;
1854 
1855 		for (i = 0; i < sband->n_bitrates; i++) {
1856 			if ((BIT(i) & ratemask) == 0)
1857 				continue; /* skip rate */
1858 			supp_rates[num_rates++] =
1859 			    (u8) (sband->bitrates[i].bitrate / 5);
1860 		}
1861 		sc->supp_rates[band].nrates = num_rates;
1862 	}
1863 
1864 	for (i = 0; i < num_chan; i++)
1865 		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1866 
1867 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
1868 				  NO_SYNC_WMIFLAG);
1869 
1870 	return ret;
1871 }
1872 
1873 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1874  * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1875  * mgmt operations using station interface.
1876  */
ath6kl_wmi_startscan_cmd(struct wmi * wmi,u8 if_idx,enum wmi_scan_type scan_type,u32 force_fgscan,u32 is_legacy,u32 home_dwell_time,u32 force_scan_interval,s8 num_chan,u16 * ch_list)1877 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1878 			     enum wmi_scan_type scan_type,
1879 			     u32 force_fgscan, u32 is_legacy,
1880 			     u32 home_dwell_time, u32 force_scan_interval,
1881 			     s8 num_chan, u16 *ch_list)
1882 {
1883 	struct sk_buff *skb;
1884 	struct wmi_start_scan_cmd *sc;
1885 	s8 size;
1886 	int i, ret;
1887 
1888 	size = sizeof(struct wmi_start_scan_cmd);
1889 
1890 	if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1891 		return -EINVAL;
1892 
1893 	if (num_chan > WMI_MAX_CHANNELS)
1894 		return -EINVAL;
1895 
1896 	if (num_chan)
1897 		size += sizeof(u16) * (num_chan - 1);
1898 
1899 	skb = ath6kl_wmi_get_new_buf(size);
1900 	if (!skb)
1901 		return -ENOMEM;
1902 
1903 	sc = (struct wmi_start_scan_cmd *) skb->data;
1904 	sc->scan_type = scan_type;
1905 	sc->force_fg_scan = cpu_to_le32(force_fgscan);
1906 	sc->is_legacy = cpu_to_le32(is_legacy);
1907 	sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1908 	sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1909 	sc->num_ch = num_chan;
1910 
1911 	for (i = 0; i < num_chan; i++)
1912 		sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1913 
1914 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
1915 				  NO_SYNC_WMIFLAG);
1916 
1917 	return ret;
1918 }
1919 
ath6kl_wmi_scanparams_cmd(struct wmi * wmi,u8 if_idx,u16 fg_start_sec,u16 fg_end_sec,u16 bg_sec,u16 minact_chdw_msec,u16 maxact_chdw_msec,u16 pas_chdw_msec,u8 short_scan_ratio,u8 scan_ctrl_flag,u32 max_dfsch_act_time,u16 maxact_scan_per_ssid)1920 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
1921 			      u16 fg_start_sec,
1922 			      u16 fg_end_sec, u16 bg_sec,
1923 			      u16 minact_chdw_msec, u16 maxact_chdw_msec,
1924 			      u16 pas_chdw_msec, u8 short_scan_ratio,
1925 			      u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1926 			      u16 maxact_scan_per_ssid)
1927 {
1928 	struct sk_buff *skb;
1929 	struct wmi_scan_params_cmd *sc;
1930 	int ret;
1931 
1932 	skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1933 	if (!skb)
1934 		return -ENOMEM;
1935 
1936 	sc = (struct wmi_scan_params_cmd *) skb->data;
1937 	sc->fg_start_period = cpu_to_le16(fg_start_sec);
1938 	sc->fg_end_period = cpu_to_le16(fg_end_sec);
1939 	sc->bg_period = cpu_to_le16(bg_sec);
1940 	sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1941 	sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1942 	sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1943 	sc->short_scan_ratio = short_scan_ratio;
1944 	sc->scan_ctrl_flags = scan_ctrl_flag;
1945 	sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1946 	sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1947 
1948 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
1949 				  NO_SYNC_WMIFLAG);
1950 	return ret;
1951 }
1952 
ath6kl_wmi_bssfilter_cmd(struct wmi * wmi,u8 if_idx,u8 filter,u32 ie_mask)1953 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
1954 {
1955 	struct sk_buff *skb;
1956 	struct wmi_bss_filter_cmd *cmd;
1957 	int ret;
1958 
1959 	if (filter >= LAST_BSS_FILTER)
1960 		return -EINVAL;
1961 
1962 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1963 	if (!skb)
1964 		return -ENOMEM;
1965 
1966 	cmd = (struct wmi_bss_filter_cmd *) skb->data;
1967 	cmd->bss_filter = filter;
1968 	cmd->ie_mask = cpu_to_le32(ie_mask);
1969 
1970 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
1971 				  NO_SYNC_WMIFLAG);
1972 	return ret;
1973 }
1974 
ath6kl_wmi_probedssid_cmd(struct wmi * wmi,u8 if_idx,u8 index,u8 flag,u8 ssid_len,u8 * ssid)1975 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
1976 			      u8 ssid_len, u8 *ssid)
1977 {
1978 	struct sk_buff *skb;
1979 	struct wmi_probed_ssid_cmd *cmd;
1980 	int ret;
1981 
1982 	if (index > MAX_PROBED_SSID_INDEX)
1983 		return -EINVAL;
1984 
1985 	if (ssid_len > sizeof(cmd->ssid))
1986 		return -EINVAL;
1987 
1988 	if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1989 		return -EINVAL;
1990 
1991 	if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1992 		return -EINVAL;
1993 
1994 	if (flag & SPECIFIC_SSID_FLAG)
1995 		wmi->is_probe_ssid = true;
1996 
1997 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1998 	if (!skb)
1999 		return -ENOMEM;
2000 
2001 	cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2002 	cmd->entry_index = index;
2003 	cmd->flag = flag;
2004 	cmd->ssid_len = ssid_len;
2005 	memcpy(cmd->ssid, ssid, ssid_len);
2006 
2007 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2008 				  NO_SYNC_WMIFLAG);
2009 	return ret;
2010 }
2011 
ath6kl_wmi_listeninterval_cmd(struct wmi * wmi,u8 if_idx,u16 listen_interval,u16 listen_beacons)2012 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2013 				  u16 listen_interval,
2014 				  u16 listen_beacons)
2015 {
2016 	struct sk_buff *skb;
2017 	struct wmi_listen_int_cmd *cmd;
2018 	int ret;
2019 
2020 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2021 	if (!skb)
2022 		return -ENOMEM;
2023 
2024 	cmd = (struct wmi_listen_int_cmd *) skb->data;
2025 	cmd->listen_intvl = cpu_to_le16(listen_interval);
2026 	cmd->num_beacons = cpu_to_le16(listen_beacons);
2027 
2028 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2029 				  NO_SYNC_WMIFLAG);
2030 	return ret;
2031 }
2032 
ath6kl_wmi_bmisstime_cmd(struct wmi * wmi,u8 if_idx,u16 bmiss_time,u16 num_beacons)2033 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2034 			     u16 bmiss_time, u16 num_beacons)
2035 {
2036 	struct sk_buff *skb;
2037 	struct wmi_bmiss_time_cmd *cmd;
2038 	int ret;
2039 
2040 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2041 	if (!skb)
2042 		return -ENOMEM;
2043 
2044 	cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2045 	cmd->bmiss_time = cpu_to_le16(bmiss_time);
2046 	cmd->num_beacons = cpu_to_le16(num_beacons);
2047 
2048 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2049 				  NO_SYNC_WMIFLAG);
2050 	return ret;
2051 }
2052 
ath6kl_wmi_powermode_cmd(struct wmi * wmi,u8 if_idx,u8 pwr_mode)2053 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2054 {
2055 	struct sk_buff *skb;
2056 	struct wmi_power_mode_cmd *cmd;
2057 	int ret;
2058 
2059 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2060 	if (!skb)
2061 		return -ENOMEM;
2062 
2063 	cmd = (struct wmi_power_mode_cmd *) skb->data;
2064 	cmd->pwr_mode = pwr_mode;
2065 	wmi->pwr_mode = pwr_mode;
2066 
2067 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2068 				  NO_SYNC_WMIFLAG);
2069 	return ret;
2070 }
2071 
ath6kl_wmi_pmparams_cmd(struct wmi * wmi,u8 if_idx,u16 idle_period,u16 ps_poll_num,u16 dtim_policy,u16 tx_wakeup_policy,u16 num_tx_to_wakeup,u16 ps_fail_event_policy)2072 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2073 			    u16 ps_poll_num, u16 dtim_policy,
2074 			    u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2075 			    u16 ps_fail_event_policy)
2076 {
2077 	struct sk_buff *skb;
2078 	struct wmi_power_params_cmd *pm;
2079 	int ret;
2080 
2081 	skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2082 	if (!skb)
2083 		return -ENOMEM;
2084 
2085 	pm = (struct wmi_power_params_cmd *)skb->data;
2086 	pm->idle_period = cpu_to_le16(idle_period);
2087 	pm->pspoll_number = cpu_to_le16(ps_poll_num);
2088 	pm->dtim_policy = cpu_to_le16(dtim_policy);
2089 	pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2090 	pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2091 	pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2092 
2093 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2094 				  NO_SYNC_WMIFLAG);
2095 	return ret;
2096 }
2097 
ath6kl_wmi_disctimeout_cmd(struct wmi * wmi,u8 if_idx,u8 timeout)2098 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2099 {
2100 	struct sk_buff *skb;
2101 	struct wmi_disc_timeout_cmd *cmd;
2102 	int ret;
2103 
2104 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2105 	if (!skb)
2106 		return -ENOMEM;
2107 
2108 	cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2109 	cmd->discon_timeout = timeout;
2110 
2111 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2112 				  NO_SYNC_WMIFLAG);
2113 
2114 	if (ret == 0)
2115 		ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2116 
2117 	return ret;
2118 }
2119 
ath6kl_wmi_addkey_cmd(struct wmi * wmi,u8 if_idx,u8 key_index,enum crypto_type key_type,u8 key_usage,u8 key_len,u8 * key_rsc,unsigned int key_rsc_len,u8 * key_material,u8 key_op_ctrl,u8 * mac_addr,enum wmi_sync_flag sync_flag)2120 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2121 			  enum crypto_type key_type,
2122 			  u8 key_usage, u8 key_len,
2123 			  u8 *key_rsc, unsigned int key_rsc_len,
2124 			  u8 *key_material,
2125 			  u8 key_op_ctrl, u8 *mac_addr,
2126 			  enum wmi_sync_flag sync_flag)
2127 {
2128 	struct sk_buff *skb;
2129 	struct wmi_add_cipher_key_cmd *cmd;
2130 	int ret;
2131 
2132 	ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
2133 		   "key_usage=%d key_len=%d key_op_ctrl=%d\n",
2134 		   key_index, key_type, key_usage, key_len, key_op_ctrl);
2135 
2136 	if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2137 	    (key_material == NULL) || key_rsc_len > 8)
2138 		return -EINVAL;
2139 
2140 	if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2141 		return -EINVAL;
2142 
2143 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2144 	if (!skb)
2145 		return -ENOMEM;
2146 
2147 	cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2148 	cmd->key_index = key_index;
2149 	cmd->key_type = key_type;
2150 	cmd->key_usage = key_usage;
2151 	cmd->key_len = key_len;
2152 	memcpy(cmd->key, key_material, key_len);
2153 
2154 	if (key_rsc != NULL)
2155 		memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2156 
2157 	cmd->key_op_ctrl = key_op_ctrl;
2158 
2159 	if (mac_addr)
2160 		memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2161 
2162 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2163 				  sync_flag);
2164 
2165 	return ret;
2166 }
2167 
ath6kl_wmi_add_krk_cmd(struct wmi * wmi,u8 if_idx,u8 * krk)2168 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk)
2169 {
2170 	struct sk_buff *skb;
2171 	struct wmi_add_krk_cmd *cmd;
2172 	int ret;
2173 
2174 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2175 	if (!skb)
2176 		return -ENOMEM;
2177 
2178 	cmd = (struct wmi_add_krk_cmd *) skb->data;
2179 	memcpy(cmd->krk, krk, WMI_KRK_LEN);
2180 
2181 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2182 				  NO_SYNC_WMIFLAG);
2183 
2184 	return ret;
2185 }
2186 
ath6kl_wmi_deletekey_cmd(struct wmi * wmi,u8 if_idx,u8 key_index)2187 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2188 {
2189 	struct sk_buff *skb;
2190 	struct wmi_delete_cipher_key_cmd *cmd;
2191 	int ret;
2192 
2193 	if (key_index > WMI_MAX_KEY_INDEX)
2194 		return -EINVAL;
2195 
2196 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2197 	if (!skb)
2198 		return -ENOMEM;
2199 
2200 	cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2201 	cmd->key_index = key_index;
2202 
2203 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2204 				  NO_SYNC_WMIFLAG);
2205 
2206 	return ret;
2207 }
2208 
ath6kl_wmi_setpmkid_cmd(struct wmi * wmi,u8 if_idx,const u8 * bssid,const u8 * pmkid,bool set)2209 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2210 			    const u8 *pmkid, bool set)
2211 {
2212 	struct sk_buff *skb;
2213 	struct wmi_setpmkid_cmd *cmd;
2214 	int ret;
2215 
2216 	if (bssid == NULL)
2217 		return -EINVAL;
2218 
2219 	if (set && pmkid == NULL)
2220 		return -EINVAL;
2221 
2222 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2223 	if (!skb)
2224 		return -ENOMEM;
2225 
2226 	cmd = (struct wmi_setpmkid_cmd *) skb->data;
2227 	memcpy(cmd->bssid, bssid, ETH_ALEN);
2228 	if (set) {
2229 		memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2230 		cmd->enable = PMKID_ENABLE;
2231 	} else {
2232 		memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2233 		cmd->enable = PMKID_DISABLE;
2234 	}
2235 
2236 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2237 				  NO_SYNC_WMIFLAG);
2238 
2239 	return ret;
2240 }
2241 
ath6kl_wmi_data_sync_send(struct wmi * wmi,struct sk_buff * skb,enum htc_endpoint_id ep_id,u8 if_idx)2242 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2243 			      enum htc_endpoint_id ep_id, u8 if_idx)
2244 {
2245 	struct wmi_data_hdr *data_hdr;
2246 	int ret;
2247 
2248 	if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
2249 		return -EINVAL;
2250 
2251 	skb_push(skb, sizeof(struct wmi_data_hdr));
2252 
2253 	data_hdr = (struct wmi_data_hdr *) skb->data;
2254 	data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2255 	data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2256 
2257 	ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2258 
2259 	return ret;
2260 }
2261 
ath6kl_wmi_sync_point(struct wmi * wmi,u8 if_idx)2262 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2263 {
2264 	struct sk_buff *skb;
2265 	struct wmi_sync_cmd *cmd;
2266 	struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2267 	enum htc_endpoint_id ep_id;
2268 	u8 index, num_pri_streams = 0;
2269 	int ret = 0;
2270 
2271 	memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2272 
2273 	spin_lock_bh(&wmi->lock);
2274 
2275 	for (index = 0; index < WMM_NUM_AC; index++) {
2276 		if (wmi->fat_pipe_exist & (1 << index)) {
2277 			num_pri_streams++;
2278 			data_sync_bufs[num_pri_streams - 1].traffic_class =
2279 			    index;
2280 		}
2281 	}
2282 
2283 	spin_unlock_bh(&wmi->lock);
2284 
2285 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2286 	if (!skb) {
2287 		ret = -ENOMEM;
2288 		goto free_skb;
2289 	}
2290 
2291 	cmd = (struct wmi_sync_cmd *) skb->data;
2292 
2293 	/*
2294 	 * In the SYNC cmd sent on the control Ep, send a bitmap
2295 	 * of the data eps on which the Data Sync will be sent
2296 	 */
2297 	cmd->data_sync_map = wmi->fat_pipe_exist;
2298 
2299 	for (index = 0; index < num_pri_streams; index++) {
2300 		data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2301 		if (data_sync_bufs[index].skb == NULL) {
2302 			ret = -ENOMEM;
2303 			break;
2304 		}
2305 	}
2306 
2307 	/*
2308 	 * If buffer allocation for any of the dataSync fails,
2309 	 * then do not send the Synchronize cmd on the control ep
2310 	 */
2311 	if (ret)
2312 		goto free_skb;
2313 
2314 	/*
2315 	 * Send sync cmd followed by sync data messages on all
2316 	 * endpoints being used
2317 	 */
2318 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2319 				  NO_SYNC_WMIFLAG);
2320 
2321 	if (ret)
2322 		goto free_skb;
2323 
2324 	/* cmd buffer sent, we no longer own it */
2325 	skb = NULL;
2326 
2327 	for (index = 0; index < num_pri_streams; index++) {
2328 
2329 		if (WARN_ON(!data_sync_bufs[index].skb))
2330 			break;
2331 
2332 		ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2333 					       data_sync_bufs[index].
2334 					       traffic_class);
2335 		ret =
2336 		    ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2337 					      ep_id, if_idx);
2338 
2339 		if (ret)
2340 			break;
2341 
2342 		data_sync_bufs[index].skb = NULL;
2343 	}
2344 
2345 free_skb:
2346 	/* free up any resources left over (possibly due to an error) */
2347 	if (skb)
2348 		dev_kfree_skb(skb);
2349 
2350 	for (index = 0; index < num_pri_streams; index++) {
2351 		if (data_sync_bufs[index].skb != NULL) {
2352 			dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
2353 				      skb);
2354 		}
2355 	}
2356 
2357 	return ret;
2358 }
2359 
ath6kl_wmi_create_pstream_cmd(struct wmi * wmi,u8 if_idx,struct wmi_create_pstream_cmd * params)2360 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2361 				  struct wmi_create_pstream_cmd *params)
2362 {
2363 	struct sk_buff *skb;
2364 	struct wmi_create_pstream_cmd *cmd;
2365 	u8 fatpipe_exist_for_ac = 0;
2366 	s32 min_phy = 0;
2367 	s32 nominal_phy = 0;
2368 	int ret;
2369 
2370 	if (!((params->user_pri < 8) &&
2371 	      (params->user_pri <= 0x7) &&
2372 	      (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2373 	      (params->traffic_direc == UPLINK_TRAFFIC ||
2374 	       params->traffic_direc == DNLINK_TRAFFIC ||
2375 	       params->traffic_direc == BIDIR_TRAFFIC) &&
2376 	      (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2377 	       params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2378 	      (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2379 	       params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2380 	       params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2381 	      (params->tsid == WMI_IMPLICIT_PSTREAM ||
2382 	       params->tsid <= WMI_MAX_THINSTREAM))) {
2383 		return -EINVAL;
2384 	}
2385 
2386 	/*
2387 	 * Check nominal PHY rate is >= minimalPHY,
2388 	 * so that DUT can allow TSRS IE
2389 	 */
2390 
2391 	/* Get the physical rate (units of bps) */
2392 	min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2393 
2394 	/* Check minimal phy < nominal phy rate */
2395 	if (params->nominal_phy >= min_phy) {
2396 		/* unit of 500 kbps */
2397 		nominal_phy = (params->nominal_phy * 1000) / 500;
2398 		ath6kl_dbg(ATH6KL_DBG_WMI,
2399 			   "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2400 			   min_phy, nominal_phy);
2401 
2402 		params->nominal_phy = nominal_phy;
2403 	} else {
2404 		params->nominal_phy = 0;
2405 	}
2406 
2407 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2408 	if (!skb)
2409 		return -ENOMEM;
2410 
2411 	ath6kl_dbg(ATH6KL_DBG_WMI,
2412 		   "sending create_pstream_cmd: ac=%d  tsid:%d\n",
2413 		   params->traffic_class, params->tsid);
2414 
2415 	cmd = (struct wmi_create_pstream_cmd *) skb->data;
2416 	memcpy(cmd, params, sizeof(*cmd));
2417 
2418 	/* This is an implicitly created Fat pipe */
2419 	if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2420 		spin_lock_bh(&wmi->lock);
2421 		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2422 					(1 << params->traffic_class));
2423 		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2424 		spin_unlock_bh(&wmi->lock);
2425 	} else {
2426 		/* explicitly created thin stream within a fat pipe */
2427 		spin_lock_bh(&wmi->lock);
2428 		fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2429 					(1 << params->traffic_class));
2430 		wmi->stream_exist_for_ac[params->traffic_class] |=
2431 		    (1 << params->tsid);
2432 		/*
2433 		 * If a thinstream becomes active, the fat pipe automatically
2434 		 * becomes active
2435 		 */
2436 		wmi->fat_pipe_exist |= (1 << params->traffic_class);
2437 		spin_unlock_bh(&wmi->lock);
2438 	}
2439 
2440 	/*
2441 	 * Indicate activty change to driver layer only if this is the
2442 	 * first TSID to get created in this AC explicitly or an implicit
2443 	 * fat pipe is getting created.
2444 	 */
2445 	if (!fatpipe_exist_for_ac)
2446 		ath6kl_indicate_tx_activity(wmi->parent_dev,
2447 					    params->traffic_class, true);
2448 
2449 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2450 				  NO_SYNC_WMIFLAG);
2451 	return ret;
2452 }
2453 
ath6kl_wmi_delete_pstream_cmd(struct wmi * wmi,u8 if_idx,u8 traffic_class,u8 tsid)2454 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2455 				  u8 tsid)
2456 {
2457 	struct sk_buff *skb;
2458 	struct wmi_delete_pstream_cmd *cmd;
2459 	u16 active_tsids = 0;
2460 	int ret;
2461 
2462 	if (traffic_class > 3) {
2463 		ath6kl_err("invalid traffic class: %d\n", traffic_class);
2464 		return -EINVAL;
2465 	}
2466 
2467 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2468 	if (!skb)
2469 		return -ENOMEM;
2470 
2471 	cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2472 	cmd->traffic_class = traffic_class;
2473 	cmd->tsid = tsid;
2474 
2475 	spin_lock_bh(&wmi->lock);
2476 	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2477 	spin_unlock_bh(&wmi->lock);
2478 
2479 	if (!(active_tsids & (1 << tsid))) {
2480 		dev_kfree_skb(skb);
2481 		ath6kl_dbg(ATH6KL_DBG_WMI,
2482 			   "TSID %d doesn't exist for traffic class: %d\n",
2483 			   tsid, traffic_class);
2484 		return -ENODATA;
2485 	}
2486 
2487 	ath6kl_dbg(ATH6KL_DBG_WMI,
2488 		   "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2489 		   traffic_class, tsid);
2490 
2491 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2492 				  SYNC_BEFORE_WMIFLAG);
2493 
2494 	spin_lock_bh(&wmi->lock);
2495 	wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2496 	active_tsids = wmi->stream_exist_for_ac[traffic_class];
2497 	spin_unlock_bh(&wmi->lock);
2498 
2499 	/*
2500 	 * Indicate stream inactivity to driver layer only if all tsids
2501 	 * within this AC are deleted.
2502 	 */
2503 	if (!active_tsids) {
2504 		ath6kl_indicate_tx_activity(wmi->parent_dev,
2505 					    traffic_class, false);
2506 		wmi->fat_pipe_exist &= ~(1 << traffic_class);
2507 	}
2508 
2509 	return ret;
2510 }
2511 
ath6kl_wmi_set_ip_cmd(struct wmi * wmi,u8 if_idx,__be32 ips0,__be32 ips1)2512 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2513 			  __be32 ips0, __be32 ips1)
2514 {
2515 	struct sk_buff *skb;
2516 	struct wmi_set_ip_cmd *cmd;
2517 	int ret;
2518 
2519 	/* Multicast address are not valid */
2520 	if (ipv4_is_multicast(ips0) ||
2521 	    ipv4_is_multicast(ips1))
2522 		return -EINVAL;
2523 
2524 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2525 	if (!skb)
2526 		return -ENOMEM;
2527 
2528 	cmd = (struct wmi_set_ip_cmd *) skb->data;
2529 	cmd->ips[0] = ips0;
2530 	cmd->ips[1] = ips1;
2531 
2532 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2533 				  NO_SYNC_WMIFLAG);
2534 	return ret;
2535 }
2536 
ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi * wmi)2537 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2538 {
2539 	u16 active_tsids;
2540 	u8 stream_exist;
2541 	int i;
2542 
2543 	/*
2544 	 * Relinquish credits from all implicitly created pstreams
2545 	 * since when we go to sleep. If user created explicit
2546 	 * thinstreams exists with in a fatpipe leave them intact
2547 	 * for the user to delete.
2548 	 */
2549 	spin_lock_bh(&wmi->lock);
2550 	stream_exist = wmi->fat_pipe_exist;
2551 	spin_unlock_bh(&wmi->lock);
2552 
2553 	for (i = 0; i < WMM_NUM_AC; i++) {
2554 		if (stream_exist & (1 << i)) {
2555 
2556 			/*
2557 			 * FIXME: Is this lock & unlock inside
2558 			 * for loop correct? may need rework.
2559 			 */
2560 			spin_lock_bh(&wmi->lock);
2561 			active_tsids = wmi->stream_exist_for_ac[i];
2562 			spin_unlock_bh(&wmi->lock);
2563 
2564 			/*
2565 			 * If there are no user created thin streams
2566 			 * delete the fatpipe
2567 			 */
2568 			if (!active_tsids) {
2569 				stream_exist &= ~(1 << i);
2570 				/*
2571 				 * Indicate inactivity to driver layer for
2572 				 * this fatpipe (pstream)
2573 				 */
2574 				ath6kl_indicate_tx_activity(wmi->parent_dev,
2575 							    i, false);
2576 			}
2577 		}
2578 	}
2579 
2580 	/* FIXME: Can we do this assignment without locking ? */
2581 	spin_lock_bh(&wmi->lock);
2582 	wmi->fat_pipe_exist = stream_exist;
2583 	spin_unlock_bh(&wmi->lock);
2584 }
2585 
ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi * wmi,u8 if_idx,enum ath6kl_host_mode host_mode)2586 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2587 				       enum ath6kl_host_mode host_mode)
2588 {
2589 	struct sk_buff *skb;
2590 	struct wmi_set_host_sleep_mode_cmd *cmd;
2591 	int ret;
2592 
2593 	if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2594 	    (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2595 		ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2596 		return -EINVAL;
2597 	}
2598 
2599 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2600 	if (!skb)
2601 		return -ENOMEM;
2602 
2603 	cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2604 
2605 	if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2606 		ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2607 		cmd->asleep = cpu_to_le32(1);
2608 	} else
2609 		cmd->awake = cpu_to_le32(1);
2610 
2611 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2612 				  WMI_SET_HOST_SLEEP_MODE_CMDID,
2613 				  NO_SYNC_WMIFLAG);
2614 	return ret;
2615 }
2616 
2617 /* This command has zero length payload */
ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi * wmi,struct ath6kl_vif * vif)2618 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2619 						      struct ath6kl_vif *vif)
2620 {
2621 	struct ath6kl *ar = wmi->parent_dev;
2622 
2623 	set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2624 	wake_up(&ar->event_wq);
2625 
2626 	return 0;
2627 }
2628 
ath6kl_wmi_set_wow_mode_cmd(struct wmi * wmi,u8 if_idx,enum ath6kl_wow_mode wow_mode,u32 filter,u16 host_req_delay)2629 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2630 				enum ath6kl_wow_mode wow_mode,
2631 				u32 filter, u16 host_req_delay)
2632 {
2633 	struct sk_buff *skb;
2634 	struct wmi_set_wow_mode_cmd *cmd;
2635 	int ret;
2636 
2637 	if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2638 	    wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2639 		ath6kl_err("invalid wow mode: %d\n", wow_mode);
2640 		return -EINVAL;
2641 	}
2642 
2643 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2644 	if (!skb)
2645 		return -ENOMEM;
2646 
2647 	cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2648 	cmd->enable_wow = cpu_to_le32(wow_mode);
2649 	cmd->filter = cpu_to_le32(filter);
2650 	cmd->host_req_delay = cpu_to_le16(host_req_delay);
2651 
2652 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2653 				  NO_SYNC_WMIFLAG);
2654 	return ret;
2655 }
2656 
ath6kl_wmi_add_wow_pattern_cmd(struct wmi * wmi,u8 if_idx,u8 list_id,u8 filter_size,u8 filter_offset,const u8 * filter,const u8 * mask)2657 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2658 				   u8 list_id, u8 filter_size,
2659 				   u8 filter_offset, const u8 *filter,
2660 				   const u8 *mask)
2661 {
2662 	struct sk_buff *skb;
2663 	struct wmi_add_wow_pattern_cmd *cmd;
2664 	u16 size;
2665 	u8 *filter_mask;
2666 	int ret;
2667 
2668 	/*
2669 	 * Allocate additional memory in the buffer to hold
2670 	 * filter and mask value, which is twice of filter_size.
2671 	 */
2672 	size = sizeof(*cmd) + (2 * filter_size);
2673 
2674 	skb = ath6kl_wmi_get_new_buf(size);
2675 	if (!skb)
2676 		return -ENOMEM;
2677 
2678 	cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2679 	cmd->filter_list_id = list_id;
2680 	cmd->filter_size = filter_size;
2681 	cmd->filter_offset = filter_offset;
2682 
2683 	memcpy(cmd->filter, filter, filter_size);
2684 
2685 	filter_mask = (u8 *) (cmd->filter + filter_size);
2686 	memcpy(filter_mask, mask, filter_size);
2687 
2688 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2689 				  NO_SYNC_WMIFLAG);
2690 
2691 	return ret;
2692 }
2693 
ath6kl_wmi_del_wow_pattern_cmd(struct wmi * wmi,u8 if_idx,u16 list_id,u16 filter_id)2694 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2695 				   u16 list_id, u16 filter_id)
2696 {
2697 	struct sk_buff *skb;
2698 	struct wmi_del_wow_pattern_cmd *cmd;
2699 	int ret;
2700 
2701 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2702 	if (!skb)
2703 		return -ENOMEM;
2704 
2705 	cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
2706 	cmd->filter_list_id = cpu_to_le16(list_id);
2707 	cmd->filter_id = cpu_to_le16(filter_id);
2708 
2709 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
2710 				  NO_SYNC_WMIFLAG);
2711 	return ret;
2712 }
2713 
ath6kl_wmi_cmd_send_xtnd(struct wmi * wmi,struct sk_buff * skb,enum wmix_command_id cmd_id,enum wmi_sync_flag sync_flag)2714 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2715 				    enum wmix_command_id cmd_id,
2716 				    enum wmi_sync_flag sync_flag)
2717 {
2718 	struct wmix_cmd_hdr *cmd_hdr;
2719 	int ret;
2720 
2721 	skb_push(skb, sizeof(struct wmix_cmd_hdr));
2722 
2723 	cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2724 	cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2725 
2726 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
2727 
2728 	return ret;
2729 }
2730 
ath6kl_wmi_get_challenge_resp_cmd(struct wmi * wmi,u32 cookie,u32 source)2731 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2732 {
2733 	struct sk_buff *skb;
2734 	struct wmix_hb_challenge_resp_cmd *cmd;
2735 	int ret;
2736 
2737 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2738 	if (!skb)
2739 		return -ENOMEM;
2740 
2741 	cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2742 	cmd->cookie = cpu_to_le32(cookie);
2743 	cmd->source = cpu_to_le32(source);
2744 
2745 	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2746 				       NO_SYNC_WMIFLAG);
2747 	return ret;
2748 }
2749 
ath6kl_wmi_config_debug_module_cmd(struct wmi * wmi,u32 valid,u32 config)2750 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
2751 {
2752 	struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
2753 	struct sk_buff *skb;
2754 	int ret;
2755 
2756 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2757 	if (!skb)
2758 		return -ENOMEM;
2759 
2760 	cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
2761 	cmd->valid = cpu_to_le32(valid);
2762 	cmd->config = cpu_to_le32(config);
2763 
2764 	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
2765 				       NO_SYNC_WMIFLAG);
2766 	return ret;
2767 }
2768 
ath6kl_wmi_get_stats_cmd(struct wmi * wmi,u8 if_idx)2769 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
2770 {
2771 	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
2772 }
2773 
ath6kl_wmi_set_tx_pwr_cmd(struct wmi * wmi,u8 if_idx,u8 dbM)2774 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
2775 {
2776 	struct sk_buff *skb;
2777 	struct wmi_set_tx_pwr_cmd *cmd;
2778 	int ret;
2779 
2780 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2781 	if (!skb)
2782 		return -ENOMEM;
2783 
2784 	cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2785 	cmd->dbM = dbM;
2786 
2787 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
2788 				  NO_SYNC_WMIFLAG);
2789 
2790 	return ret;
2791 }
2792 
ath6kl_wmi_get_tx_pwr_cmd(struct wmi * wmi,u8 if_idx)2793 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
2794 {
2795 	return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
2796 }
2797 
ath6kl_wmi_get_roam_tbl_cmd(struct wmi * wmi)2798 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
2799 {
2800 	return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
2801 }
2802 
ath6kl_wmi_set_lpreamble_cmd(struct wmi * wmi,u8 if_idx,u8 status,u8 preamble_policy)2803 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
2804 				 u8 preamble_policy)
2805 {
2806 	struct sk_buff *skb;
2807 	struct wmi_set_lpreamble_cmd *cmd;
2808 	int ret;
2809 
2810 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2811 	if (!skb)
2812 		return -ENOMEM;
2813 
2814 	cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2815 	cmd->status = status;
2816 	cmd->preamble_policy = preamble_policy;
2817 
2818 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
2819 				  NO_SYNC_WMIFLAG);
2820 	return ret;
2821 }
2822 
ath6kl_wmi_set_rts_cmd(struct wmi * wmi,u16 threshold)2823 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2824 {
2825 	struct sk_buff *skb;
2826 	struct wmi_set_rts_cmd *cmd;
2827 	int ret;
2828 
2829 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2830 	if (!skb)
2831 		return -ENOMEM;
2832 
2833 	cmd = (struct wmi_set_rts_cmd *) skb->data;
2834 	cmd->threshold = cpu_to_le16(threshold);
2835 
2836 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
2837 				  NO_SYNC_WMIFLAG);
2838 	return ret;
2839 }
2840 
ath6kl_wmi_set_wmm_txop(struct wmi * wmi,u8 if_idx,enum wmi_txop_cfg cfg)2841 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
2842 {
2843 	struct sk_buff *skb;
2844 	struct wmi_set_wmm_txop_cmd *cmd;
2845 	int ret;
2846 
2847 	if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2848 		return -EINVAL;
2849 
2850 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2851 	if (!skb)
2852 		return -ENOMEM;
2853 
2854 	cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2855 	cmd->txop_enable = cfg;
2856 
2857 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
2858 				  NO_SYNC_WMIFLAG);
2859 	return ret;
2860 }
2861 
ath6kl_wmi_set_keepalive_cmd(struct wmi * wmi,u8 if_idx,u8 keep_alive_intvl)2862 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
2863 				 u8 keep_alive_intvl)
2864 {
2865 	struct sk_buff *skb;
2866 	struct wmi_set_keepalive_cmd *cmd;
2867 	int ret;
2868 
2869 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2870 	if (!skb)
2871 		return -ENOMEM;
2872 
2873 	cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2874 	cmd->keep_alive_intvl = keep_alive_intvl;
2875 
2876 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
2877 				  NO_SYNC_WMIFLAG);
2878 
2879 	if (ret == 0)
2880 		ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
2881 
2882 	return ret;
2883 }
2884 
ath6kl_wmi_test_cmd(struct wmi * wmi,void * buf,size_t len)2885 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
2886 {
2887 	struct sk_buff *skb;
2888 	int ret;
2889 
2890 	skb = ath6kl_wmi_get_new_buf(len);
2891 	if (!skb)
2892 		return -ENOMEM;
2893 
2894 	memcpy(skb->data, buf, len);
2895 
2896 	ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
2897 
2898 	return ret;
2899 }
2900 
ath6kl_wmi_mcast_filter_cmd(struct wmi * wmi,u8 if_idx,bool mc_all_on)2901 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
2902 {
2903 	struct sk_buff *skb;
2904 	struct wmi_mcast_filter_cmd *cmd;
2905 	int ret;
2906 
2907 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2908 	if (!skb)
2909 		return -ENOMEM;
2910 
2911 	cmd = (struct wmi_mcast_filter_cmd *) skb->data;
2912 	cmd->mcast_all_enable = mc_all_on;
2913 
2914 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
2915 				  NO_SYNC_WMIFLAG);
2916 	return ret;
2917 }
2918 
ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi * wmi,u8 if_idx,u8 * filter,bool add_filter)2919 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
2920 					u8 *filter, bool add_filter)
2921 {
2922 	struct sk_buff *skb;
2923 	struct wmi_mcast_filter_add_del_cmd *cmd;
2924 	int ret;
2925 
2926 	if ((filter[0] != 0x33 || filter[1] != 0x33) &&
2927 	    (filter[0] != 0x01 || filter[1] != 0x00 ||
2928 	    filter[2] != 0x5e || filter[3] > 0x7f)) {
2929 		ath6kl_warn("invalid multicast filter address\n");
2930 		return -EINVAL;
2931 	}
2932 
2933 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2934 	if (!skb)
2935 		return -ENOMEM;
2936 
2937 	cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
2938 	memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
2939 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2940 				  add_filter ? WMI_SET_MCAST_FILTER_CMDID :
2941 				  WMI_DEL_MCAST_FILTER_CMDID,
2942 				  NO_SYNC_WMIFLAG);
2943 
2944 	return ret;
2945 }
2946 
ath6kl_wmi_get_rate(s8 rate_index)2947 s32 ath6kl_wmi_get_rate(s8 rate_index)
2948 {
2949 	if (rate_index == RATE_AUTO)
2950 		return 0;
2951 
2952 	return wmi_rate_tbl[(u32) rate_index][0];
2953 }
2954 
ath6kl_wmi_get_pmkid_list_event_rx(struct wmi * wmi,u8 * datap,u32 len)2955 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2956 					      u32 len)
2957 {
2958 	struct wmi_pmkid_list_reply *reply;
2959 	u32 expected_len;
2960 
2961 	if (len < sizeof(struct wmi_pmkid_list_reply))
2962 		return -EINVAL;
2963 
2964 	reply = (struct wmi_pmkid_list_reply *)datap;
2965 	expected_len = sizeof(reply->num_pmkid) +
2966 		le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2967 
2968 	if (len < expected_len)
2969 		return -EINVAL;
2970 
2971 	return 0;
2972 }
2973 
ath6kl_wmi_addba_req_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)2974 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2975 					 struct ath6kl_vif *vif)
2976 {
2977 	struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2978 
2979 	aggr_recv_addba_req_evt(vif, cmd->tid,
2980 				le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2981 
2982 	return 0;
2983 }
2984 
ath6kl_wmi_delba_req_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)2985 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
2986 					 struct ath6kl_vif *vif)
2987 {
2988 	struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2989 
2990 	aggr_recv_delba_req_evt(vif, cmd->tid);
2991 
2992 	return 0;
2993 }
2994 
2995 /*  AP mode functions */
2996 
ath6kl_wmi_ap_profile_commit(struct wmi * wmip,u8 if_idx,struct wmi_connect_cmd * p)2997 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
2998 				 struct wmi_connect_cmd *p)
2999 {
3000 	struct sk_buff *skb;
3001 	struct wmi_connect_cmd *cm;
3002 	int res;
3003 
3004 	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3005 	if (!skb)
3006 		return -ENOMEM;
3007 
3008 	cm = (struct wmi_connect_cmd *) skb->data;
3009 	memcpy(cm, p, sizeof(*cm));
3010 
3011 	res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3012 				  NO_SYNC_WMIFLAG);
3013 	ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
3014 		   "ctrl_flags=0x%x-> res=%d\n",
3015 		   __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3016 		   le32_to_cpu(p->ctrl_flags), res);
3017 	return res;
3018 }
3019 
ath6kl_wmi_ap_set_mlme(struct wmi * wmip,u8 if_idx,u8 cmd,const u8 * mac,u16 reason)3020 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3021 			   u16 reason)
3022 {
3023 	struct sk_buff *skb;
3024 	struct wmi_ap_set_mlme_cmd *cm;
3025 
3026 	skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3027 	if (!skb)
3028 		return -ENOMEM;
3029 
3030 	cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3031 	memcpy(cm->mac, mac, ETH_ALEN);
3032 	cm->reason = cpu_to_le16(reason);
3033 	cm->cmd = cmd;
3034 
3035 	return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3036 				   NO_SYNC_WMIFLAG);
3037 }
3038 
ath6kl_wmi_ap_hidden_ssid(struct wmi * wmi,u8 if_idx,bool enable)3039 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3040 {
3041 	struct sk_buff *skb;
3042 	struct wmi_ap_hidden_ssid_cmd *cmd;
3043 
3044 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3045 	if (!skb)
3046 		return -ENOMEM;
3047 
3048 	cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3049 	cmd->hidden_ssid = enable ? 1 : 0;
3050 
3051 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3052 				   NO_SYNC_WMIFLAG);
3053 }
3054 
3055 /* This command will be used to enable/disable AP uAPSD feature */
ath6kl_wmi_ap_set_apsd(struct wmi * wmi,u8 if_idx,u8 enable)3056 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3057 {
3058 	struct wmi_ap_set_apsd_cmd *cmd;
3059 	struct sk_buff *skb;
3060 
3061 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3062 	if (!skb)
3063 		return -ENOMEM;
3064 
3065 	cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3066 	cmd->enable = enable;
3067 
3068 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3069 				   NO_SYNC_WMIFLAG);
3070 }
3071 
ath6kl_wmi_set_apsd_bfrd_traf(struct wmi * wmi,u8 if_idx,u16 aid,u16 bitmap,u32 flags)3072 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3073 					     u16 aid, u16 bitmap, u32 flags)
3074 {
3075 	struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3076 	struct sk_buff *skb;
3077 
3078 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3079 	if (!skb)
3080 		return -ENOMEM;
3081 
3082 	cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3083 	cmd->aid = cpu_to_le16(aid);
3084 	cmd->bitmap = cpu_to_le16(bitmap);
3085 	cmd->flags = cpu_to_le32(flags);
3086 
3087 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3088 				   WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3089 				   NO_SYNC_WMIFLAG);
3090 }
3091 
ath6kl_wmi_pspoll_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)3092 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3093 				      struct ath6kl_vif *vif)
3094 {
3095 	struct wmi_pspoll_event *ev;
3096 
3097 	if (len < sizeof(struct wmi_pspoll_event))
3098 		return -EINVAL;
3099 
3100 	ev = (struct wmi_pspoll_event *) datap;
3101 
3102 	ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3103 
3104 	return 0;
3105 }
3106 
ath6kl_wmi_dtimexpiry_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)3107 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3108 					  struct ath6kl_vif *vif)
3109 {
3110 	ath6kl_dtimexpiry_event(vif);
3111 
3112 	return 0;
3113 }
3114 
ath6kl_wmi_set_pvb_cmd(struct wmi * wmi,u8 if_idx,u16 aid,bool flag)3115 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3116 			   bool flag)
3117 {
3118 	struct sk_buff *skb;
3119 	struct wmi_ap_set_pvb_cmd *cmd;
3120 	int ret;
3121 
3122 	skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3123 	if (!skb)
3124 		return -ENOMEM;
3125 
3126 	cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3127 	cmd->aid = cpu_to_le16(aid);
3128 	cmd->rsvd = cpu_to_le16(0);
3129 	cmd->flag = cpu_to_le32(flag);
3130 
3131 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3132 				  NO_SYNC_WMIFLAG);
3133 
3134 	return 0;
3135 }
3136 
ath6kl_wmi_set_rx_frame_format_cmd(struct wmi * wmi,u8 if_idx,u8 rx_meta_ver,bool rx_dot11_hdr,bool defrag_on_host)3137 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3138 				       u8 rx_meta_ver,
3139 				       bool rx_dot11_hdr, bool defrag_on_host)
3140 {
3141 	struct sk_buff *skb;
3142 	struct wmi_rx_frame_format_cmd *cmd;
3143 	int ret;
3144 
3145 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3146 	if (!skb)
3147 		return -ENOMEM;
3148 
3149 	cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3150 	cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3151 	cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3152 	cmd->meta_ver = rx_meta_ver;
3153 
3154 	/* Delete the local aggr state, on host */
3155 	ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3156 				  NO_SYNC_WMIFLAG);
3157 
3158 	return ret;
3159 }
3160 
ath6kl_wmi_set_appie_cmd(struct wmi * wmi,u8 if_idx,u8 mgmt_frm_type,const u8 * ie,u8 ie_len)3161 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3162 			     const u8 *ie, u8 ie_len)
3163 {
3164 	struct sk_buff *skb;
3165 	struct wmi_set_appie_cmd *p;
3166 
3167 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3168 	if (!skb)
3169 		return -ENOMEM;
3170 
3171 	ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
3172 		   "ie_len=%u\n", mgmt_frm_type, ie_len);
3173 	p = (struct wmi_set_appie_cmd *) skb->data;
3174 	p->mgmt_frm_type = mgmt_frm_type;
3175 	p->ie_len = ie_len;
3176 
3177 	if (ie != NULL && ie_len > 0)
3178 		memcpy(p->ie_info, ie, ie_len);
3179 
3180 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3181 				   NO_SYNC_WMIFLAG);
3182 }
3183 
ath6kl_wmi_disable_11b_rates_cmd(struct wmi * wmi,bool disable)3184 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3185 {
3186 	struct sk_buff *skb;
3187 	struct wmi_disable_11b_rates_cmd *cmd;
3188 
3189 	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3190 	if (!skb)
3191 		return -ENOMEM;
3192 
3193 	ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3194 		   disable);
3195 	cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3196 	cmd->disable = disable ? 1 : 0;
3197 
3198 	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3199 				   NO_SYNC_WMIFLAG);
3200 }
3201 
ath6kl_wmi_remain_on_chnl_cmd(struct wmi * wmi,u8 if_idx,u32 freq,u32 dur)3202 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3203 {
3204 	struct sk_buff *skb;
3205 	struct wmi_remain_on_chnl_cmd *p;
3206 
3207 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3208 	if (!skb)
3209 		return -ENOMEM;
3210 
3211 	ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3212 		   freq, dur);
3213 	p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3214 	p->freq = cpu_to_le32(freq);
3215 	p->duration = cpu_to_le32(dur);
3216 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3217 				   NO_SYNC_WMIFLAG);
3218 }
3219 
3220 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3221  * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3222  * mgmt operations using station interface.
3223  */
ath6kl_wmi_send_action_cmd(struct wmi * wmi,u8 if_idx,u32 id,u32 freq,u32 wait,const u8 * data,u16 data_len)3224 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3225 				      u32 freq, u32 wait, const u8 *data,
3226 				      u16 data_len)
3227 {
3228 	struct sk_buff *skb;
3229 	struct wmi_send_action_cmd *p;
3230 	u8 *buf;
3231 
3232 	if (wait)
3233 		return -EINVAL; /* Offload for wait not supported */
3234 
3235 	buf = kmalloc(data_len, GFP_KERNEL);
3236 	if (!buf)
3237 		return -ENOMEM;
3238 
3239 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3240 	if (!skb) {
3241 		kfree(buf);
3242 		return -ENOMEM;
3243 	}
3244 
3245 	kfree(wmi->last_mgmt_tx_frame);
3246 	memcpy(buf, data, data_len);
3247 	wmi->last_mgmt_tx_frame = buf;
3248 	wmi->last_mgmt_tx_frame_len = data_len;
3249 
3250 	ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3251 		   "len=%u\n", id, freq, wait, data_len);
3252 	p = (struct wmi_send_action_cmd *) skb->data;
3253 	p->id = cpu_to_le32(id);
3254 	p->freq = cpu_to_le32(freq);
3255 	p->wait = cpu_to_le32(wait);
3256 	p->len = cpu_to_le16(data_len);
3257 	memcpy(p->data, data, data_len);
3258 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3259 				   NO_SYNC_WMIFLAG);
3260 }
3261 
__ath6kl_wmi_send_mgmt_cmd(struct wmi * wmi,u8 if_idx,u32 id,u32 freq,u32 wait,const u8 * data,u16 data_len,u32 no_cck)3262 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3263 				      u32 freq, u32 wait, const u8 *data,
3264 				      u16 data_len, u32 no_cck)
3265 {
3266 	struct sk_buff *skb;
3267 	struct wmi_send_mgmt_cmd *p;
3268 	u8 *buf;
3269 
3270 	if (wait)
3271 		return -EINVAL; /* Offload for wait not supported */
3272 
3273 	buf = kmalloc(data_len, GFP_KERNEL);
3274 	if (!buf)
3275 		return -ENOMEM;
3276 
3277 	skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3278 	if (!skb) {
3279 		kfree(buf);
3280 		return -ENOMEM;
3281 	}
3282 
3283 	kfree(wmi->last_mgmt_tx_frame);
3284 	memcpy(buf, data, data_len);
3285 	wmi->last_mgmt_tx_frame = buf;
3286 	wmi->last_mgmt_tx_frame_len = data_len;
3287 
3288 	ath6kl_dbg(ATH6KL_DBG_WMI, "send_action_cmd: id=%u freq=%u wait=%u "
3289 		   "len=%u\n", id, freq, wait, data_len);
3290 	p = (struct wmi_send_mgmt_cmd *) skb->data;
3291 	p->id = cpu_to_le32(id);
3292 	p->freq = cpu_to_le32(freq);
3293 	p->wait = cpu_to_le32(wait);
3294 	p->no_cck = cpu_to_le32(no_cck);
3295 	p->len = cpu_to_le16(data_len);
3296 	memcpy(p->data, data, data_len);
3297 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3298 				   NO_SYNC_WMIFLAG);
3299 }
3300 
ath6kl_wmi_send_mgmt_cmd(struct wmi * wmi,u8 if_idx,u32 id,u32 freq,u32 wait,const u8 * data,u16 data_len,u32 no_cck)3301 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3302 				u32 wait, const u8 *data, u16 data_len,
3303 				u32 no_cck)
3304 {
3305 	int status;
3306 	struct ath6kl *ar = wmi->parent_dev;
3307 
3308 	if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3309 		     ar->fw_capabilities)) {
3310 		/*
3311 		 * If capable of doing P2P mgmt operations using
3312 		 * station interface, send additional information like
3313 		 * supported rates to advertise and xmit rates for
3314 		 * probe requests
3315 		 */
3316 		status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3317 						    wait, data, data_len,
3318 						    no_cck);
3319 	} else {
3320 		status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3321 						    wait, data, data_len);
3322 	}
3323 
3324 	return status;
3325 }
3326 
ath6kl_wmi_send_probe_response_cmd(struct wmi * wmi,u8 if_idx,u32 freq,const u8 * dst,const u8 * data,u16 data_len)3327 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3328 				       const u8 *dst, const u8 *data,
3329 				       u16 data_len)
3330 {
3331 	struct sk_buff *skb;
3332 	struct wmi_p2p_probe_response_cmd *p;
3333 	size_t cmd_len = sizeof(*p) + data_len;
3334 
3335 	if (data_len == 0)
3336 		cmd_len++; /* work around target minimum length requirement */
3337 
3338 	skb = ath6kl_wmi_get_new_buf(cmd_len);
3339 	if (!skb)
3340 		return -ENOMEM;
3341 
3342 	ath6kl_dbg(ATH6KL_DBG_WMI, "send_probe_response_cmd: freq=%u dst=%pM "
3343 		   "len=%u\n", freq, dst, data_len);
3344 	p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3345 	p->freq = cpu_to_le32(freq);
3346 	memcpy(p->destination_addr, dst, ETH_ALEN);
3347 	p->len = cpu_to_le16(data_len);
3348 	memcpy(p->data, data, data_len);
3349 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3350 				   WMI_SEND_PROBE_RESPONSE_CMDID,
3351 				   NO_SYNC_WMIFLAG);
3352 }
3353 
ath6kl_wmi_probe_report_req_cmd(struct wmi * wmi,u8 if_idx,bool enable)3354 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3355 {
3356 	struct sk_buff *skb;
3357 	struct wmi_probe_req_report_cmd *p;
3358 
3359 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3360 	if (!skb)
3361 		return -ENOMEM;
3362 
3363 	ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3364 		   enable);
3365 	p = (struct wmi_probe_req_report_cmd *) skb->data;
3366 	p->enable = enable ? 1 : 0;
3367 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3368 				   NO_SYNC_WMIFLAG);
3369 }
3370 
ath6kl_wmi_info_req_cmd(struct wmi * wmi,u8 if_idx,u32 info_req_flags)3371 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3372 {
3373 	struct sk_buff *skb;
3374 	struct wmi_get_p2p_info *p;
3375 
3376 	skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3377 	if (!skb)
3378 		return -ENOMEM;
3379 
3380 	ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3381 		   info_req_flags);
3382 	p = (struct wmi_get_p2p_info *) skb->data;
3383 	p->info_req_flags = cpu_to_le32(info_req_flags);
3384 	return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3385 				   NO_SYNC_WMIFLAG);
3386 }
3387 
ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi * wmi,u8 if_idx)3388 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3389 {
3390 	ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3391 	return ath6kl_wmi_simple_cmd(wmi, if_idx,
3392 				     WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3393 }
3394 
ath6kl_wmi_control_rx_xtnd(struct wmi * wmi,struct sk_buff * skb)3395 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3396 {
3397 	struct wmix_cmd_hdr *cmd;
3398 	u32 len;
3399 	u16 id;
3400 	u8 *datap;
3401 	int ret = 0;
3402 
3403 	if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3404 		ath6kl_err("bad packet 1\n");
3405 		return -EINVAL;
3406 	}
3407 
3408 	cmd = (struct wmix_cmd_hdr *) skb->data;
3409 	id = le32_to_cpu(cmd->cmd_id);
3410 
3411 	skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3412 
3413 	datap = skb->data;
3414 	len = skb->len;
3415 
3416 	switch (id) {
3417 	case WMIX_HB_CHALLENGE_RESP_EVENTID:
3418 		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3419 		break;
3420 	case WMIX_DBGLOG_EVENTID:
3421 		ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3422 		ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3423 		break;
3424 	default:
3425 		ath6kl_warn("unknown cmd id 0x%x\n", id);
3426 		ret = -EINVAL;
3427 		break;
3428 	}
3429 
3430 	return ret;
3431 }
3432 
ath6kl_wmi_roam_tbl_event_rx(struct wmi * wmi,u8 * datap,int len)3433 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3434 {
3435 	return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3436 }
3437 
3438 /* Process interface specific wmi events, caller would free the datap */
ath6kl_wmi_proc_events_vif(struct wmi * wmi,u16 if_idx,u16 cmd_id,u8 * datap,u32 len)3439 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3440 					u8 *datap, u32 len)
3441 {
3442 	struct ath6kl_vif *vif;
3443 
3444 	vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3445 	if (!vif) {
3446 		ath6kl_dbg(ATH6KL_DBG_WMI,
3447 			   "Wmi event for unavailable vif, vif_index:%d\n",
3448 			    if_idx);
3449 		return -EINVAL;
3450 	}
3451 
3452 	switch (cmd_id) {
3453 	case WMI_CONNECT_EVENTID:
3454 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3455 		return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3456 	case WMI_DISCONNECT_EVENTID:
3457 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3458 		return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3459 	case WMI_TKIP_MICERR_EVENTID:
3460 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3461 		return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3462 	case WMI_BSSINFO_EVENTID:
3463 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3464 		return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3465 	case WMI_NEIGHBOR_REPORT_EVENTID:
3466 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3467 		return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3468 							   vif);
3469 	case WMI_SCAN_COMPLETE_EVENTID:
3470 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3471 		return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3472 	case WMI_REPORT_STATISTICS_EVENTID:
3473 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3474 		return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3475 	case WMI_CAC_EVENTID:
3476 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3477 		return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3478 	case WMI_PSPOLL_EVENTID:
3479 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3480 		return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3481 	case WMI_DTIMEXPIRY_EVENTID:
3482 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3483 		return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3484 	case WMI_ADDBA_REQ_EVENTID:
3485 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3486 		return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3487 	case WMI_DELBA_REQ_EVENTID:
3488 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3489 		return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3490 	case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3491 		ath6kl_dbg(ATH6KL_DBG_WMI,
3492 			   "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3493 		return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3494 	case WMI_REMAIN_ON_CHNL_EVENTID:
3495 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3496 		return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3497 	case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3498 		ath6kl_dbg(ATH6KL_DBG_WMI,
3499 			   "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3500 		return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3501 								 len, vif);
3502 	case WMI_TX_STATUS_EVENTID:
3503 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3504 		return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3505 	case WMI_RX_PROBE_REQ_EVENTID:
3506 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3507 		return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3508 	case WMI_RX_ACTION_EVENTID:
3509 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3510 		return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3511 	default:
3512 		ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3513 		return -EINVAL;
3514 	}
3515 
3516 	return 0;
3517 }
3518 
ath6kl_wmi_proc_events(struct wmi * wmi,struct sk_buff * skb)3519 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3520 {
3521 	struct wmi_cmd_hdr *cmd;
3522 	int ret = 0;
3523 	u32 len;
3524 	u16 id;
3525 	u8 if_idx;
3526 	u8 *datap;
3527 
3528 	cmd = (struct wmi_cmd_hdr *) skb->data;
3529 	id = le16_to_cpu(cmd->cmd_id);
3530 	if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3531 
3532 	skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3533 	datap = skb->data;
3534 	len = skb->len;
3535 
3536 	ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
3537 	ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
3538 			datap, len);
3539 
3540 	switch (id) {
3541 	case WMI_GET_BITRATE_CMDID:
3542 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
3543 		ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
3544 		break;
3545 	case WMI_GET_CHANNEL_LIST_CMDID:
3546 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
3547 		ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
3548 		break;
3549 	case WMI_GET_TX_PWR_CMDID:
3550 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
3551 		ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
3552 		break;
3553 	case WMI_READY_EVENTID:
3554 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
3555 		ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
3556 		break;
3557 	case WMI_PEER_NODE_EVENTID:
3558 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
3559 		ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
3560 		break;
3561 	case WMI_REGDOMAIN_EVENTID:
3562 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
3563 		ath6kl_wmi_regdomain_event(wmi, datap, len);
3564 		break;
3565 	case WMI_PSTREAM_TIMEOUT_EVENTID:
3566 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
3567 		ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
3568 		break;
3569 	case WMI_CMDERROR_EVENTID:
3570 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
3571 		ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
3572 		break;
3573 	case WMI_RSSI_THRESHOLD_EVENTID:
3574 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
3575 		ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
3576 		break;
3577 	case WMI_ERROR_REPORT_EVENTID:
3578 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
3579 		break;
3580 	case WMI_OPT_RX_FRAME_EVENTID:
3581 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
3582 		/* this event has been deprecated */
3583 		break;
3584 	case WMI_REPORT_ROAM_TBL_EVENTID:
3585 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
3586 		ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
3587 		break;
3588 	case WMI_EXTENSION_EVENTID:
3589 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
3590 		ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
3591 		break;
3592 	case WMI_CHANNEL_CHANGE_EVENTID:
3593 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
3594 		break;
3595 	case WMI_REPORT_ROAM_DATA_EVENTID:
3596 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
3597 		break;
3598 	case WMI_TEST_EVENTID:
3599 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
3600 		ret = ath6kl_wmi_test_rx(wmi, datap, len);
3601 		break;
3602 	case WMI_GET_FIXRATES_CMDID:
3603 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
3604 		ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
3605 		break;
3606 	case WMI_TX_RETRY_ERR_EVENTID:
3607 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
3608 		break;
3609 	case WMI_SNR_THRESHOLD_EVENTID:
3610 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
3611 		ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
3612 		break;
3613 	case WMI_LQ_THRESHOLD_EVENTID:
3614 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
3615 		break;
3616 	case WMI_APLIST_EVENTID:
3617 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
3618 		ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
3619 		break;
3620 	case WMI_GET_KEEPALIVE_CMDID:
3621 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
3622 		ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
3623 		break;
3624 	case WMI_GET_WOW_LIST_EVENTID:
3625 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
3626 		break;
3627 	case WMI_GET_PMKID_LIST_EVENTID:
3628 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
3629 		ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
3630 		break;
3631 	case WMI_SET_PARAMS_REPLY_EVENTID:
3632 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
3633 		break;
3634 	case WMI_ADDBA_RESP_EVENTID:
3635 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
3636 		break;
3637 	case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
3638 		ath6kl_dbg(ATH6KL_DBG_WMI,
3639 			   "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
3640 		break;
3641 	case WMI_REPORT_BTCOEX_STATS_EVENTID:
3642 		ath6kl_dbg(ATH6KL_DBG_WMI,
3643 			   "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
3644 		break;
3645 	case WMI_TX_COMPLETE_EVENTID:
3646 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
3647 		ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
3648 		break;
3649 	case WMI_P2P_CAPABILITIES_EVENTID:
3650 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
3651 		ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
3652 		break;
3653 	case WMI_P2P_INFO_EVENTID:
3654 		ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
3655 		ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
3656 		break;
3657 	default:
3658 		/* may be the event is interface specific */
3659 		ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
3660 		break;
3661 	}
3662 
3663 	dev_kfree_skb(skb);
3664 	return ret;
3665 }
3666 
3667 /* Control Path */
ath6kl_wmi_control_rx(struct wmi * wmi,struct sk_buff * skb)3668 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
3669 {
3670 	if (WARN_ON(skb == NULL))
3671 		return -EINVAL;
3672 
3673 	if (skb->len < sizeof(struct wmi_cmd_hdr)) {
3674 		ath6kl_err("bad packet 1\n");
3675 		dev_kfree_skb(skb);
3676 		return -EINVAL;
3677 	}
3678 
3679 	return ath6kl_wmi_proc_events(wmi, skb);
3680 }
3681 
ath6kl_wmi_reset(struct wmi * wmi)3682 void ath6kl_wmi_reset(struct wmi *wmi)
3683 {
3684 	spin_lock_bh(&wmi->lock);
3685 
3686 	wmi->fat_pipe_exist = 0;
3687 	memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
3688 
3689 	spin_unlock_bh(&wmi->lock);
3690 }
3691 
ath6kl_wmi_init(struct ath6kl * dev)3692 void *ath6kl_wmi_init(struct ath6kl *dev)
3693 {
3694 	struct wmi *wmi;
3695 
3696 	wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
3697 	if (!wmi)
3698 		return NULL;
3699 
3700 	spin_lock_init(&wmi->lock);
3701 
3702 	wmi->parent_dev = dev;
3703 
3704 	wmi->pwr_mode = REC_POWER;
3705 
3706 	ath6kl_wmi_reset(wmi);
3707 
3708 	return wmi;
3709 }
3710 
ath6kl_wmi_shutdown(struct wmi * wmi)3711 void ath6kl_wmi_shutdown(struct wmi *wmi)
3712 {
3713 	if (!wmi)
3714 		return;
3715 
3716 	kfree(wmi->last_mgmt_tx_frame);
3717 	kfree(wmi);
3718 }
3719