1 /*
2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <linux/ip.h>
19 #include <linux/in.h>
20 #include "core.h"
21 #include "debug.h"
22 #include "testmode.h"
23 #include "trace.h"
24 #include "../regd.h"
25 #include "../regd_common.h"
26
27 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);
28
29 static const s32 wmi_rate_tbl[][2] = {
30 /* {W/O SGI, with SGI} */
31 {1000, 1000},
32 {2000, 2000},
33 {5500, 5500},
34 {11000, 11000},
35 {6000, 6000},
36 {9000, 9000},
37 {12000, 12000},
38 {18000, 18000},
39 {24000, 24000},
40 {36000, 36000},
41 {48000, 48000},
42 {54000, 54000},
43 {6500, 7200},
44 {13000, 14400},
45 {19500, 21700},
46 {26000, 28900},
47 {39000, 43300},
48 {52000, 57800},
49 {58500, 65000},
50 {65000, 72200},
51 {13500, 15000},
52 {27000, 30000},
53 {40500, 45000},
54 {54000, 60000},
55 {81000, 90000},
56 {108000, 120000},
57 {121500, 135000},
58 {135000, 150000},
59 {0, 0}
60 };
61
62 static const s32 wmi_rate_tbl_mcs15[][2] = {
63 /* {W/O SGI, with SGI} */
64 {1000, 1000},
65 {2000, 2000},
66 {5500, 5500},
67 {11000, 11000},
68 {6000, 6000},
69 {9000, 9000},
70 {12000, 12000},
71 {18000, 18000},
72 {24000, 24000},
73 {36000, 36000},
74 {48000, 48000},
75 {54000, 54000},
76 {6500, 7200}, /* HT 20, MCS 0 */
77 {13000, 14400},
78 {19500, 21700},
79 {26000, 28900},
80 {39000, 43300},
81 {52000, 57800},
82 {58500, 65000},
83 {65000, 72200},
84 {13000, 14400}, /* HT 20, MCS 8 */
85 {26000, 28900},
86 {39000, 43300},
87 {52000, 57800},
88 {78000, 86700},
89 {104000, 115600},
90 {117000, 130000},
91 {130000, 144400}, /* HT 20, MCS 15 */
92 {13500, 15000}, /*HT 40, MCS 0 */
93 {27000, 30000},
94 {40500, 45000},
95 {54000, 60000},
96 {81000, 90000},
97 {108000, 120000},
98 {121500, 135000},
99 {135000, 150000},
100 {27000, 30000}, /*HT 40, MCS 8 */
101 {54000, 60000},
102 {81000, 90000},
103 {108000, 120000},
104 {162000, 180000},
105 {216000, 240000},
106 {243000, 270000},
107 {270000, 300000}, /*HT 40, MCS 15 */
108 {0, 0}
109 };
110
111 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
112 static const u8 up_to_ac[] = {
113 WMM_AC_BE,
114 WMM_AC_BK,
115 WMM_AC_BK,
116 WMM_AC_BE,
117 WMM_AC_VI,
118 WMM_AC_VI,
119 WMM_AC_VO,
120 WMM_AC_VO,
121 };
122
ath6kl_wmi_set_control_ep(struct wmi * wmi,enum htc_endpoint_id ep_id)123 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
124 {
125 if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
126 return;
127
128 wmi->ep_id = ep_id;
129 }
130
ath6kl_wmi_get_control_ep(struct wmi * wmi)131 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
132 {
133 return wmi->ep_id;
134 }
135
ath6kl_get_vif_by_index(struct ath6kl * ar,u8 if_idx)136 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)
137 {
138 struct ath6kl_vif *vif, *found = NULL;
139
140 if (WARN_ON(if_idx > (ar->vif_max - 1)))
141 return NULL;
142
143 /* FIXME: Locking */
144 spin_lock_bh(&ar->list_lock);
145 list_for_each_entry(vif, &ar->vif_list, list) {
146 if (vif->fw_vif_idx == if_idx) {
147 found = vif;
148 break;
149 }
150 }
151 spin_unlock_bh(&ar->list_lock);
152
153 return found;
154 }
155
156 /* Performs DIX to 802.3 encapsulation for transmit packets.
157 * Assumes the entire DIX header is contiguous and that there is
158 * enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
159 */
ath6kl_wmi_dix_2_dot3(struct wmi * wmi,struct sk_buff * skb)160 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
161 {
162 struct ath6kl_llc_snap_hdr *llc_hdr;
163 struct ethhdr *eth_hdr;
164 size_t new_len;
165 __be16 type;
166 u8 *datap;
167 u16 size;
168
169 if (WARN_ON(skb == NULL))
170 return -EINVAL;
171
172 size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
173 if (skb_headroom(skb) < size)
174 return -ENOMEM;
175
176 eth_hdr = (struct ethhdr *) skb->data;
177 type = eth_hdr->h_proto;
178
179 if (!is_ethertype(be16_to_cpu(type))) {
180 ath6kl_dbg(ATH6KL_DBG_WMI,
181 "%s: pkt is already in 802.3 format\n", __func__);
182 return 0;
183 }
184
185 new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
186
187 skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
188 datap = skb->data;
189
190 eth_hdr->h_proto = cpu_to_be16(new_len);
191
192 memcpy(datap, eth_hdr, sizeof(*eth_hdr));
193
194 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
195 llc_hdr->dsap = 0xAA;
196 llc_hdr->ssap = 0xAA;
197 llc_hdr->cntl = 0x03;
198 llc_hdr->org_code[0] = 0x0;
199 llc_hdr->org_code[1] = 0x0;
200 llc_hdr->org_code[2] = 0x0;
201 llc_hdr->eth_type = type;
202
203 return 0;
204 }
205
ath6kl_wmi_meta_add(struct wmi * wmi,struct sk_buff * skb,u8 * version,void * tx_meta_info)206 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
207 u8 *version, void *tx_meta_info)
208 {
209 struct wmi_tx_meta_v1 *v1;
210 struct wmi_tx_meta_v2 *v2;
211
212 if (WARN_ON(skb == NULL || version == NULL))
213 return -EINVAL;
214
215 switch (*version) {
216 case WMI_META_VERSION_1:
217 skb_push(skb, WMI_MAX_TX_META_SZ);
218 v1 = (struct wmi_tx_meta_v1 *) skb->data;
219 v1->pkt_id = 0;
220 v1->rate_plcy_id = 0;
221 *version = WMI_META_VERSION_1;
222 break;
223 case WMI_META_VERSION_2:
224 skb_push(skb, WMI_MAX_TX_META_SZ);
225 v2 = (struct wmi_tx_meta_v2 *) skb->data;
226 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
227 sizeof(struct wmi_tx_meta_v2));
228 break;
229 }
230
231 return 0;
232 }
233
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)234 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
235 u8 msg_type, u32 flags,
236 enum wmi_data_hdr_data_type data_type,
237 u8 meta_ver, void *tx_meta_info, u8 if_idx)
238 {
239 struct wmi_data_hdr *data_hdr;
240 int ret;
241
242 if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))
243 return -EINVAL;
244
245 if (tx_meta_info) {
246 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
247 if (ret)
248 return ret;
249 }
250
251 skb_push(skb, sizeof(struct wmi_data_hdr));
252
253 data_hdr = (struct wmi_data_hdr *)skb->data;
254 memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
255
256 data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
257 data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
258
259 if (flags & WMI_DATA_HDR_FLAGS_MORE)
260 data_hdr->info |= WMI_DATA_HDR_MORE;
261
262 if (flags & WMI_DATA_HDR_FLAGS_EOSP)
263 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);
264
265 data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
266 data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
267
268 return 0;
269 }
270
ath6kl_wmi_determine_user_priority(u8 * pkt,u32 layer2_pri)271 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
272 {
273 struct iphdr *ip_hdr = (struct iphdr *) pkt;
274 u8 ip_pri;
275
276 /*
277 * Determine IPTOS priority
278 *
279 * IP-TOS - 8bits
280 * : DSCP(6-bits) ECN(2-bits)
281 * : DSCP - P2 P1 P0 X X X
282 * where (P2 P1 P0) form 802.1D
283 */
284 ip_pri = ip_hdr->tos >> 5;
285 ip_pri &= 0x7;
286
287 if ((layer2_pri & 0x7) > ip_pri)
288 return (u8) layer2_pri & 0x7;
289 else
290 return ip_pri;
291 }
292
ath6kl_wmi_get_traffic_class(u8 user_priority)293 u8 ath6kl_wmi_get_traffic_class(u8 user_priority)
294 {
295 return up_to_ac[user_priority & 0x7];
296 }
297
ath6kl_wmi_implicit_create_pstream(struct wmi * wmi,u8 if_idx,struct sk_buff * skb,u32 layer2_priority,bool wmm_enabled,u8 * ac)298 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,
299 struct sk_buff *skb,
300 u32 layer2_priority, bool wmm_enabled,
301 u8 *ac)
302 {
303 struct wmi_data_hdr *data_hdr;
304 struct ath6kl_llc_snap_hdr *llc_hdr;
305 struct wmi_create_pstream_cmd cmd;
306 u32 meta_size, hdr_size;
307 u16 ip_type = IP_ETHERTYPE;
308 u8 stream_exist, usr_pri;
309 u8 traffic_class = WMM_AC_BE;
310 u8 *datap;
311
312 if (WARN_ON(skb == NULL))
313 return -EINVAL;
314
315 datap = skb->data;
316 data_hdr = (struct wmi_data_hdr *) datap;
317
318 meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
319 WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
320
321 if (!wmm_enabled) {
322 /* If WMM is disabled all traffic goes as BE traffic */
323 usr_pri = 0;
324 } else {
325 hdr_size = sizeof(struct ethhdr);
326
327 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
328 sizeof(struct
329 wmi_data_hdr) +
330 meta_size + hdr_size);
331
332 if (llc_hdr->eth_type == htons(ip_type)) {
333 /*
334 * Extract the endpoint info from the TOS field
335 * in the IP header.
336 */
337 usr_pri =
338 ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
339 sizeof(struct ath6kl_llc_snap_hdr),
340 layer2_priority);
341 } else {
342 usr_pri = layer2_priority & 0x7;
343 }
344
345 /*
346 * Queue the EAPOL frames in the same WMM_AC_VO queue
347 * as that of management frames.
348 */
349 if (skb->protocol == cpu_to_be16(ETH_P_PAE))
350 usr_pri = WMI_VOICE_USER_PRIORITY;
351 }
352
353 /*
354 * workaround for WMM S5
355 *
356 * FIXME: wmi->traffic_class is always 100 so this test doesn't
357 * make sense
358 */
359 if ((wmi->traffic_class == WMM_AC_VI) &&
360 ((usr_pri == 5) || (usr_pri == 4)))
361 usr_pri = 1;
362
363 /* Convert user priority to traffic class */
364 traffic_class = up_to_ac[usr_pri & 0x7];
365
366 wmi_data_hdr_set_up(data_hdr, usr_pri);
367
368 spin_lock_bh(&wmi->lock);
369 stream_exist = wmi->fat_pipe_exist;
370 spin_unlock_bh(&wmi->lock);
371
372 if (!(stream_exist & (1 << traffic_class))) {
373 memset(&cmd, 0, sizeof(cmd));
374 cmd.traffic_class = traffic_class;
375 cmd.user_pri = usr_pri;
376 cmd.inactivity_int =
377 cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
378 /* Implicit streams are created with TSID 0xFF */
379 cmd.tsid = WMI_IMPLICIT_PSTREAM;
380 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);
381 }
382
383 *ac = traffic_class;
384
385 return 0;
386 }
387
ath6kl_wmi_dot11_hdr_remove(struct wmi * wmi,struct sk_buff * skb)388 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
389 {
390 struct ieee80211_hdr_3addr *pwh, wh;
391 struct ath6kl_llc_snap_hdr *llc_hdr;
392 struct ethhdr eth_hdr;
393 u32 hdr_size;
394 u8 *datap;
395 __le16 sub_type;
396
397 if (WARN_ON(skb == NULL))
398 return -EINVAL;
399
400 datap = skb->data;
401 pwh = (struct ieee80211_hdr_3addr *) datap;
402
403 sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
404
405 memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
406
407 /* Strip off the 802.11 header */
408 if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
409 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
410 sizeof(u32));
411 skb_pull(skb, hdr_size);
412 } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) {
413 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
414 }
415
416 datap = skb->data;
417 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
418
419 memset(ð_hdr, 0, sizeof(eth_hdr));
420 eth_hdr.h_proto = llc_hdr->eth_type;
421
422 switch ((le16_to_cpu(wh.frame_control)) &
423 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
424 case IEEE80211_FCTL_TODS:
425 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
426 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
427 break;
428 case IEEE80211_FCTL_FROMDS:
429 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
430 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
431 break;
432 case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
433 break;
434 default:
435 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
436 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
437 break;
438 }
439
440 skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
441 skb_push(skb, sizeof(eth_hdr));
442
443 datap = skb->data;
444
445 memcpy(datap, ð_hdr, sizeof(eth_hdr));
446
447 return 0;
448 }
449
450 /*
451 * Performs 802.3 to DIX encapsulation for received packets.
452 * Assumes the entire 802.3 header is contiguous.
453 */
ath6kl_wmi_dot3_2_dix(struct sk_buff * skb)454 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
455 {
456 struct ath6kl_llc_snap_hdr *llc_hdr;
457 struct ethhdr eth_hdr;
458 u8 *datap;
459
460 if (WARN_ON(skb == NULL))
461 return -EINVAL;
462
463 datap = skb->data;
464
465 memcpy(ð_hdr, datap, sizeof(eth_hdr));
466
467 llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
468 eth_hdr.h_proto = llc_hdr->eth_type;
469
470 skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
471 datap = skb->data;
472
473 memcpy(datap, ð_hdr, sizeof(eth_hdr));
474
475 return 0;
476 }
477
ath6kl_wmi_tx_complete_event_rx(u8 * datap,int len)478 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
479 {
480 struct tx_complete_msg_v1 *msg_v1;
481 struct wmi_tx_complete_event *evt;
482 int index;
483 u16 size;
484
485 evt = (struct wmi_tx_complete_event *) datap;
486
487 ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
488 evt->num_msg, evt->msg_len, evt->msg_type);
489
490 for (index = 0; index < evt->num_msg; index++) {
491 size = sizeof(struct wmi_tx_complete_event) +
492 (index * sizeof(struct tx_complete_msg_v1));
493 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
494
495 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
496 msg_v1->status, msg_v1->pkt_id,
497 msg_v1->rate_idx, msg_v1->ack_failures);
498 }
499
500 return 0;
501 }
502
ath6kl_wmi_remain_on_chnl_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)503 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,
504 int len, struct ath6kl_vif *vif)
505 {
506 struct wmi_remain_on_chnl_event *ev;
507 u32 freq;
508 u32 dur;
509 struct ieee80211_channel *chan;
510 struct ath6kl *ar = wmi->parent_dev;
511 u32 id;
512
513 if (len < sizeof(*ev))
514 return -EINVAL;
515
516 ev = (struct wmi_remain_on_chnl_event *) datap;
517 freq = le32_to_cpu(ev->freq);
518 dur = le32_to_cpu(ev->duration);
519 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",
520 freq, dur);
521 chan = ieee80211_get_channel(ar->wiphy, freq);
522 if (!chan) {
523 ath6kl_dbg(ATH6KL_DBG_WMI,
524 "remain_on_chnl: Unknown channel (freq=%u)\n",
525 freq);
526 return -EINVAL;
527 }
528 id = vif->last_roc_id;
529 cfg80211_ready_on_channel(&vif->wdev, id, chan,
530 dur, GFP_ATOMIC);
531
532 return 0;
533 }
534
ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)535 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,
536 u8 *datap, int len,
537 struct ath6kl_vif *vif)
538 {
539 struct wmi_cancel_remain_on_chnl_event *ev;
540 u32 freq;
541 u32 dur;
542 struct ieee80211_channel *chan;
543 struct ath6kl *ar = wmi->parent_dev;
544 u32 id;
545
546 if (len < sizeof(*ev))
547 return -EINVAL;
548
549 ev = (struct wmi_cancel_remain_on_chnl_event *) datap;
550 freq = le32_to_cpu(ev->freq);
551 dur = le32_to_cpu(ev->duration);
552 ath6kl_dbg(ATH6KL_DBG_WMI,
553 "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",
554 freq, dur, ev->status);
555 chan = ieee80211_get_channel(ar->wiphy, freq);
556 if (!chan) {
557 ath6kl_dbg(ATH6KL_DBG_WMI,
558 "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",
559 freq);
560 return -EINVAL;
561 }
562 if (vif->last_cancel_roc_id &&
563 vif->last_cancel_roc_id + 1 == vif->last_roc_id)
564 id = vif->last_cancel_roc_id; /* event for cancel command */
565 else
566 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */
567 vif->last_cancel_roc_id = 0;
568 cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);
569
570 return 0;
571 }
572
ath6kl_wmi_tx_status_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)573 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,
574 struct ath6kl_vif *vif)
575 {
576 struct wmi_tx_status_event *ev;
577 u32 id;
578
579 if (len < sizeof(*ev))
580 return -EINVAL;
581
582 ev = (struct wmi_tx_status_event *) datap;
583 id = le32_to_cpu(ev->id);
584 ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",
585 id, ev->ack_status);
586 if (wmi->last_mgmt_tx_frame) {
587 cfg80211_mgmt_tx_status(&vif->wdev, id,
588 wmi->last_mgmt_tx_frame,
589 wmi->last_mgmt_tx_frame_len,
590 !!ev->ack_status, GFP_ATOMIC);
591 kfree(wmi->last_mgmt_tx_frame);
592 wmi->last_mgmt_tx_frame = NULL;
593 wmi->last_mgmt_tx_frame_len = 0;
594 }
595
596 return 0;
597 }
598
ath6kl_wmi_rx_probe_req_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)599 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
600 struct ath6kl_vif *vif)
601 {
602 struct wmi_p2p_rx_probe_req_event *ev;
603 u32 freq;
604 u16 dlen;
605
606 if (len < sizeof(*ev))
607 return -EINVAL;
608
609 ev = (struct wmi_p2p_rx_probe_req_event *) datap;
610 freq = le32_to_cpu(ev->freq);
611 dlen = le16_to_cpu(ev->len);
612 if (datap + len < ev->data + dlen) {
613 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",
614 len, dlen);
615 return -EINVAL;
616 }
617 ath6kl_dbg(ATH6KL_DBG_WMI,
618 "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",
619 dlen, freq, vif->probe_req_report);
620
621 if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
622 cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
623
624 return 0;
625 }
626
ath6kl_wmi_p2p_capabilities_event_rx(u8 * datap,int len)627 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)
628 {
629 struct wmi_p2p_capabilities_event *ev;
630 u16 dlen;
631
632 if (len < sizeof(*ev))
633 return -EINVAL;
634
635 ev = (struct wmi_p2p_capabilities_event *) datap;
636 dlen = le16_to_cpu(ev->len);
637 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);
638
639 return 0;
640 }
641
ath6kl_wmi_rx_action_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)642 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
643 struct ath6kl_vif *vif)
644 {
645 struct wmi_rx_action_event *ev;
646 u32 freq;
647 u16 dlen;
648
649 if (len < sizeof(*ev))
650 return -EINVAL;
651
652 ev = (struct wmi_rx_action_event *) datap;
653 freq = le32_to_cpu(ev->freq);
654 dlen = le16_to_cpu(ev->len);
655 if (datap + len < ev->data + dlen) {
656 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",
657 len, dlen);
658 return -EINVAL;
659 }
660 ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
661 cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);
662
663 return 0;
664 }
665
ath6kl_wmi_p2p_info_event_rx(u8 * datap,int len)666 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)
667 {
668 struct wmi_p2p_info_event *ev;
669 u32 flags;
670 u16 dlen;
671
672 if (len < sizeof(*ev))
673 return -EINVAL;
674
675 ev = (struct wmi_p2p_info_event *) datap;
676 flags = le32_to_cpu(ev->info_req_flags);
677 dlen = le16_to_cpu(ev->len);
678 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);
679
680 if (flags & P2P_FLAG_CAPABILITIES_REQ) {
681 struct wmi_p2p_capabilities *cap;
682 if (dlen < sizeof(*cap))
683 return -EINVAL;
684 cap = (struct wmi_p2p_capabilities *) ev->data;
685 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",
686 cap->go_power_save);
687 }
688
689 if (flags & P2P_FLAG_MACADDR_REQ) {
690 struct wmi_p2p_macaddr *mac;
691 if (dlen < sizeof(*mac))
692 return -EINVAL;
693 mac = (struct wmi_p2p_macaddr *) ev->data;
694 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",
695 mac->mac_addr);
696 }
697
698 if (flags & P2P_FLAG_HMODEL_REQ) {
699 struct wmi_p2p_hmodel *mod;
700 if (dlen < sizeof(*mod))
701 return -EINVAL;
702 mod = (struct wmi_p2p_hmodel *) ev->data;
703 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",
704 mod->p2p_model,
705 mod->p2p_model ? "host" : "firmware");
706 }
707 return 0;
708 }
709
ath6kl_wmi_get_new_buf(u32 size)710 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
711 {
712 struct sk_buff *skb;
713
714 skb = ath6kl_buf_alloc(size);
715 if (!skb)
716 return NULL;
717
718 skb_put(skb, size);
719 if (size)
720 memset(skb->data, 0, size);
721
722 return skb;
723 }
724
725 /* Send a "simple" wmi command -- one with no arguments */
ath6kl_wmi_simple_cmd(struct wmi * wmi,u8 if_idx,enum wmi_cmd_id cmd_id)726 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,
727 enum wmi_cmd_id cmd_id)
728 {
729 struct sk_buff *skb;
730 int ret;
731
732 skb = ath6kl_wmi_get_new_buf(0);
733 if (!skb)
734 return -ENOMEM;
735
736 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);
737
738 return ret;
739 }
740
ath6kl_wmi_ready_event_rx(struct wmi * wmi,u8 * datap,int len)741 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
742 {
743 struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
744
745 if (len < sizeof(struct wmi_ready_event_2))
746 return -EINVAL;
747
748 ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
749 le32_to_cpu(ev->sw_version),
750 le32_to_cpu(ev->abi_version), ev->phy_cap);
751
752 return 0;
753 }
754
755 /*
756 * Mechanism to modify the roaming behavior in the firmware. The lower rssi
757 * at which the station has to roam can be passed with
758 * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level
759 * in dBm.
760 */
ath6kl_wmi_set_roam_lrssi_cmd(struct wmi * wmi,u8 lrssi)761 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
762 {
763 struct sk_buff *skb;
764 struct roam_ctrl_cmd *cmd;
765
766 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
767 if (!skb)
768 return -ENOMEM;
769
770 cmd = (struct roam_ctrl_cmd *) skb->data;
771
772 cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);
773 cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +
774 DEF_SCAN_FOR_ROAM_INTVL);
775 cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);
776 cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
777 cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;
778
779 ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
780 NO_SYNC_WMIFLAG);
781
782 return 0;
783 }
784
ath6kl_wmi_force_roam_cmd(struct wmi * wmi,const u8 * bssid)785 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
786 {
787 struct sk_buff *skb;
788 struct roam_ctrl_cmd *cmd;
789
790 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
791 if (!skb)
792 return -ENOMEM;
793
794 cmd = (struct roam_ctrl_cmd *) skb->data;
795
796 memcpy(cmd->info.bssid, bssid, ETH_ALEN);
797 cmd->roam_ctrl = WMI_FORCE_ROAM;
798
799 ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);
800 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
801 NO_SYNC_WMIFLAG);
802 }
803
ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi * wmi,u8 if_idx,u32 beacon_intvl)804 int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,
805 u32 beacon_intvl)
806 {
807 struct sk_buff *skb;
808 struct set_beacon_int_cmd *cmd;
809
810 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
811 if (!skb)
812 return -ENOMEM;
813
814 cmd = (struct set_beacon_int_cmd *) skb->data;
815
816 cmd->beacon_intvl = cpu_to_le32(beacon_intvl);
817 return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
818 WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);
819 }
820
ath6kl_wmi_ap_set_dtim_cmd(struct wmi * wmi,u8 if_idx,u32 dtim_period)821 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)
822 {
823 struct sk_buff *skb;
824 struct set_dtim_cmd *cmd;
825
826 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
827 if (!skb)
828 return -ENOMEM;
829
830 cmd = (struct set_dtim_cmd *) skb->data;
831
832 cmd->dtim_period = cpu_to_le32(dtim_period);
833 return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
834 WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);
835 }
836
ath6kl_wmi_set_roam_mode_cmd(struct wmi * wmi,enum wmi_roam_mode mode)837 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)
838 {
839 struct sk_buff *skb;
840 struct roam_ctrl_cmd *cmd;
841
842 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
843 if (!skb)
844 return -ENOMEM;
845
846 cmd = (struct roam_ctrl_cmd *) skb->data;
847
848 cmd->info.roam_mode = mode;
849 cmd->roam_ctrl = WMI_SET_ROAM_MODE;
850
851 ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);
852 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
853 NO_SYNC_WMIFLAG);
854 }
855
ath6kl_wmi_connect_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)856 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,
857 struct ath6kl_vif *vif)
858 {
859 struct wmi_connect_event *ev;
860 u8 *pie, *peie;
861
862 if (len < sizeof(struct wmi_connect_event))
863 return -EINVAL;
864
865 ev = (struct wmi_connect_event *) datap;
866
867 if (vif->nw_type == AP_NETWORK) {
868 /* AP mode start/STA connected event */
869 struct net_device *dev = vif->ndev;
870 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {
871 ath6kl_dbg(ATH6KL_DBG_WMI,
872 "%s: freq %d bssid %pM (AP started)\n",
873 __func__, le16_to_cpu(ev->u.ap_bss.ch),
874 ev->u.ap_bss.bssid);
875 ath6kl_connect_ap_mode_bss(
876 vif, le16_to_cpu(ev->u.ap_bss.ch));
877 } else {
878 ath6kl_dbg(ATH6KL_DBG_WMI,
879 "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",
880 __func__, ev->u.ap_sta.aid,
881 ev->u.ap_sta.mac_addr,
882 ev->u.ap_sta.auth,
883 ev->u.ap_sta.keymgmt,
884 le16_to_cpu(ev->u.ap_sta.cipher),
885 ev->u.ap_sta.apsd_info);
886
887 ath6kl_connect_ap_mode_sta(
888 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,
889 ev->u.ap_sta.keymgmt,
890 le16_to_cpu(ev->u.ap_sta.cipher),
891 ev->u.ap_sta.auth, ev->assoc_req_len,
892 ev->assoc_info + ev->beacon_ie_len,
893 ev->u.ap_sta.apsd_info);
894 }
895 return 0;
896 }
897
898 /* STA/IBSS mode connection event */
899
900 ath6kl_dbg(ATH6KL_DBG_WMI,
901 "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",
902 le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,
903 le16_to_cpu(ev->u.sta.listen_intvl),
904 le16_to_cpu(ev->u.sta.beacon_intvl),
905 le32_to_cpu(ev->u.sta.nw_type));
906
907 /* Start of assoc rsp IEs */
908 pie = ev->assoc_info + ev->beacon_ie_len +
909 ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
910
911 /* End of assoc rsp IEs */
912 peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
913 ev->assoc_resp_len;
914
915 while (pie < peie) {
916 switch (*pie) {
917 case WLAN_EID_VENDOR_SPECIFIC:
918 if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
919 pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
920 /* WMM OUT (00:50:F2) */
921 if (pie[1] > 5 &&
922 pie[6] == WMM_PARAM_OUI_SUBTYPE)
923 wmi->is_wmm_enabled = true;
924 }
925 break;
926 }
927
928 if (wmi->is_wmm_enabled)
929 break;
930
931 pie += pie[1] + 2;
932 }
933
934 ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),
935 ev->u.sta.bssid,
936 le16_to_cpu(ev->u.sta.listen_intvl),
937 le16_to_cpu(ev->u.sta.beacon_intvl),
938 le32_to_cpu(ev->u.sta.nw_type),
939 ev->beacon_ie_len, ev->assoc_req_len,
940 ev->assoc_resp_len, ev->assoc_info);
941
942 return 0;
943 }
944
945 static struct country_code_to_enum_rd *
ath6kl_regd_find_country(u16 countryCode)946 ath6kl_regd_find_country(u16 countryCode)
947 {
948 int i;
949
950 for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
951 if (allCountries[i].countryCode == countryCode)
952 return &allCountries[i];
953 }
954
955 return NULL;
956 }
957
958 static struct reg_dmn_pair_mapping *
ath6kl_get_regpair(u16 regdmn)959 ath6kl_get_regpair(u16 regdmn)
960 {
961 int i;
962
963 if (regdmn == NO_ENUMRD)
964 return NULL;
965
966 for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {
967 if (regDomainPairs[i].reg_domain == regdmn)
968 return ®DomainPairs[i];
969 }
970
971 return NULL;
972 }
973
974 static struct country_code_to_enum_rd *
ath6kl_regd_find_country_by_rd(u16 regdmn)975 ath6kl_regd_find_country_by_rd(u16 regdmn)
976 {
977 int i;
978
979 for (i = 0; i < ARRAY_SIZE(allCountries); i++) {
980 if (allCountries[i].regDmnEnum == regdmn)
981 return &allCountries[i];
982 }
983
984 return NULL;
985 }
986
ath6kl_wmi_regdomain_event(struct wmi * wmi,u8 * datap,int len)987 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)
988 {
989 struct ath6kl_wmi_regdomain *ev;
990 struct country_code_to_enum_rd *country = NULL;
991 struct reg_dmn_pair_mapping *regpair = NULL;
992 char alpha2[2];
993 u32 reg_code;
994
995 ev = (struct ath6kl_wmi_regdomain *) datap;
996 reg_code = le32_to_cpu(ev->reg_code);
997
998 if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) {
999 country = ath6kl_regd_find_country((u16) reg_code);
1000 } else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {
1001 regpair = ath6kl_get_regpair((u16) reg_code);
1002 country = ath6kl_regd_find_country_by_rd((u16) reg_code);
1003 if (regpair)
1004 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",
1005 regpair->reg_domain);
1006 else
1007 ath6kl_warn("Regpair not found reg_code 0x%0x\n",
1008 reg_code);
1009 }
1010
1011 if (country && wmi->parent_dev->wiphy_registered) {
1012 alpha2[0] = country->isoName[0];
1013 alpha2[1] = country->isoName[1];
1014
1015 regulatory_hint(wmi->parent_dev->wiphy, alpha2);
1016
1017 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",
1018 alpha2[0], alpha2[1]);
1019 }
1020 }
1021
ath6kl_wmi_disconnect_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1022 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,
1023 struct ath6kl_vif *vif)
1024 {
1025 struct wmi_disconnect_event *ev;
1026 wmi->traffic_class = 100;
1027
1028 if (len < sizeof(struct wmi_disconnect_event))
1029 return -EINVAL;
1030
1031 ev = (struct wmi_disconnect_event *) datap;
1032
1033 ath6kl_dbg(ATH6KL_DBG_WMI,
1034 "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",
1035 le16_to_cpu(ev->proto_reason_status), ev->bssid,
1036 ev->disconn_reason, ev->assoc_resp_len);
1037
1038 wmi->is_wmm_enabled = false;
1039
1040 ath6kl_disconnect_event(vif, ev->disconn_reason,
1041 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
1042 le16_to_cpu(ev->proto_reason_status));
1043
1044 return 0;
1045 }
1046
ath6kl_wmi_peer_node_event_rx(struct wmi * wmi,u8 * datap,int len)1047 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
1048 {
1049 struct wmi_peer_node_event *ev;
1050
1051 if (len < sizeof(struct wmi_peer_node_event))
1052 return -EINVAL;
1053
1054 ev = (struct wmi_peer_node_event *) datap;
1055
1056 if (ev->event_code == PEER_NODE_JOIN_EVENT)
1057 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
1058 ev->peer_mac_addr);
1059 else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
1060 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
1061 ev->peer_mac_addr);
1062
1063 return 0;
1064 }
1065
ath6kl_wmi_tkip_micerr_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1066 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,
1067 struct ath6kl_vif *vif)
1068 {
1069 struct wmi_tkip_micerr_event *ev;
1070
1071 if (len < sizeof(struct wmi_tkip_micerr_event))
1072 return -EINVAL;
1073
1074 ev = (struct wmi_tkip_micerr_event *) datap;
1075
1076 ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);
1077
1078 return 0;
1079 }
1080
ath6kl_wmi_sscan_timer(struct timer_list * t)1081 void ath6kl_wmi_sscan_timer(struct timer_list *t)
1082 {
1083 struct ath6kl_vif *vif = from_timer(vif, t, sched_scan_timer);
1084
1085 cfg80211_sched_scan_results(vif->ar->wiphy, 0);
1086 }
1087
ath6kl_wmi_bssinfo_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1088 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,
1089 struct ath6kl_vif *vif)
1090 {
1091 struct wmi_bss_info_hdr2 *bih;
1092 u8 *buf;
1093 struct ieee80211_channel *channel;
1094 struct ath6kl *ar = wmi->parent_dev;
1095 struct cfg80211_bss *bss;
1096
1097 if (len <= sizeof(struct wmi_bss_info_hdr2))
1098 return -EINVAL;
1099
1100 bih = (struct wmi_bss_info_hdr2 *) datap;
1101 buf = datap + sizeof(struct wmi_bss_info_hdr2);
1102 len -= sizeof(struct wmi_bss_info_hdr2);
1103
1104 ath6kl_dbg(ATH6KL_DBG_WMI,
1105 "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "
1106 "frame_type=%d\n",
1107 bih->ch, bih->snr, bih->snr - 95, bih->bssid,
1108 bih->frame_type);
1109
1110 if (bih->frame_type != BEACON_FTYPE &&
1111 bih->frame_type != PROBERESP_FTYPE)
1112 return 0; /* Only update BSS table for now */
1113
1114 if (bih->frame_type == BEACON_FTYPE &&
1115 test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {
1116 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1117 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1118 NONE_BSS_FILTER, 0);
1119 }
1120
1121 channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));
1122 if (channel == NULL)
1123 return -EINVAL;
1124
1125 if (len < 8 + 2 + 2)
1126 return -EINVAL;
1127
1128 if (bih->frame_type == BEACON_FTYPE &&
1129 test_bit(CONNECTED, &vif->flags) &&
1130 memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {
1131 const u8 *tim;
1132 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,
1133 len - 8 - 2 - 2);
1134 if (tim && tim[1] >= 2) {
1135 vif->assoc_bss_dtim_period = tim[3];
1136 set_bit(DTIM_PERIOD_AVAIL, &vif->flags);
1137 }
1138 }
1139
1140 bss = cfg80211_inform_bss(ar->wiphy, channel,
1141 bih->frame_type == BEACON_FTYPE ?
1142 CFG80211_BSS_FTYPE_BEACON :
1143 CFG80211_BSS_FTYPE_PRESP,
1144 bih->bssid, get_unaligned_le64((__le64 *)buf),
1145 get_unaligned_le16(((__le16 *)buf) + 5),
1146 get_unaligned_le16(((__le16 *)buf) + 4),
1147 buf + 8 + 2 + 2, len - 8 - 2 - 2,
1148 (bih->snr - 95) * 100, GFP_ATOMIC);
1149 if (bss == NULL)
1150 return -ENOMEM;
1151 cfg80211_put_bss(ar->wiphy, bss);
1152
1153 /*
1154 * Firmware doesn't return any event when scheduled scan has
1155 * finished, so we need to use a timer to find out when there are
1156 * no more results.
1157 *
1158 * The timer is started from the first bss info received, otherwise
1159 * the timer would not ever fire if the scan interval is short
1160 * enough.
1161 */
1162 if (test_bit(SCHED_SCANNING, &vif->flags) &&
1163 !timer_pending(&vif->sched_scan_timer)) {
1164 mod_timer(&vif->sched_scan_timer, jiffies +
1165 msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));
1166 }
1167
1168 return 0;
1169 }
1170
1171 /* Inactivity timeout of a fatpipe(pstream) at the target */
ath6kl_wmi_pstream_timeout_event_rx(struct wmi * wmi,u8 * datap,int len)1172 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
1173 int len)
1174 {
1175 struct wmi_pstream_timeout_event *ev;
1176
1177 if (len < sizeof(struct wmi_pstream_timeout_event))
1178 return -EINVAL;
1179
1180 ev = (struct wmi_pstream_timeout_event *) datap;
1181 if (ev->traffic_class >= WMM_NUM_AC) {
1182 ath6kl_err("invalid traffic class: %d\n", ev->traffic_class);
1183 return -EINVAL;
1184 }
1185
1186 /*
1187 * When the pstream (fat pipe == AC) timesout, it means there were
1188 * no thinStreams within this pstream & it got implicitly created
1189 * due to data flow on this AC. We start the inactivity timer only
1190 * for implicitly created pstream. Just reset the host state.
1191 */
1192 spin_lock_bh(&wmi->lock);
1193 wmi->stream_exist_for_ac[ev->traffic_class] = 0;
1194 wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
1195 spin_unlock_bh(&wmi->lock);
1196
1197 /* Indicate inactivity to driver layer for this fatpipe (pstream) */
1198 ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
1199
1200 return 0;
1201 }
1202
ath6kl_wmi_bitrate_reply_rx(struct wmi * wmi,u8 * datap,int len)1203 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
1204 {
1205 struct wmi_bit_rate_reply *reply;
1206 s32 rate;
1207 u32 sgi, index;
1208
1209 if (len < sizeof(struct wmi_bit_rate_reply))
1210 return -EINVAL;
1211
1212 reply = (struct wmi_bit_rate_reply *) datap;
1213
1214 ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
1215
1216 if (reply->rate_index == (s8) RATE_AUTO) {
1217 rate = RATE_AUTO;
1218 } else {
1219 index = reply->rate_index & 0x7f;
1220 if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))
1221 return -EINVAL;
1222
1223 sgi = (reply->rate_index & 0x80) ? 1 : 0;
1224 rate = wmi_rate_tbl[index][sgi];
1225 }
1226
1227 ath6kl_wakeup_event(wmi->parent_dev);
1228
1229 return 0;
1230 }
1231
ath6kl_wmi_test_rx(struct wmi * wmi,u8 * datap,int len)1232 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)
1233 {
1234 ath6kl_tm_rx_event(wmi->parent_dev, datap, len);
1235
1236 return 0;
1237 }
1238
ath6kl_wmi_ratemask_reply_rx(struct wmi * wmi,u8 * datap,int len)1239 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
1240 {
1241 if (len < sizeof(struct wmi_fix_rates_reply))
1242 return -EINVAL;
1243
1244 ath6kl_wakeup_event(wmi->parent_dev);
1245
1246 return 0;
1247 }
1248
ath6kl_wmi_ch_list_reply_rx(struct wmi * wmi,u8 * datap,int len)1249 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
1250 {
1251 if (len < sizeof(struct wmi_channel_list_reply))
1252 return -EINVAL;
1253
1254 ath6kl_wakeup_event(wmi->parent_dev);
1255
1256 return 0;
1257 }
1258
ath6kl_wmi_tx_pwr_reply_rx(struct wmi * wmi,u8 * datap,int len)1259 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
1260 {
1261 struct wmi_tx_pwr_reply *reply;
1262
1263 if (len < sizeof(struct wmi_tx_pwr_reply))
1264 return -EINVAL;
1265
1266 reply = (struct wmi_tx_pwr_reply *) datap;
1267 ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
1268
1269 return 0;
1270 }
1271
ath6kl_wmi_keepalive_reply_rx(struct wmi * wmi,u8 * datap,int len)1272 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
1273 {
1274 if (len < sizeof(struct wmi_get_keepalive_cmd))
1275 return -EINVAL;
1276
1277 ath6kl_wakeup_event(wmi->parent_dev);
1278
1279 return 0;
1280 }
1281
ath6kl_wmi_scan_complete_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1282 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,
1283 struct ath6kl_vif *vif)
1284 {
1285 struct wmi_scan_complete_event *ev;
1286
1287 ev = (struct wmi_scan_complete_event *) datap;
1288
1289 ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));
1290 wmi->is_probe_ssid = false;
1291
1292 return 0;
1293 }
1294
ath6kl_wmi_neighbor_report_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1295 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,
1296 int len, struct ath6kl_vif *vif)
1297 {
1298 struct wmi_neighbor_report_event *ev;
1299 u8 i;
1300
1301 if (len < sizeof(*ev))
1302 return -EINVAL;
1303 ev = (struct wmi_neighbor_report_event *) datap;
1304 if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info)
1305 > len) {
1306 ath6kl_dbg(ATH6KL_DBG_WMI,
1307 "truncated neighbor event (num=%d len=%d)\n",
1308 ev->num_neighbors, len);
1309 return -EINVAL;
1310 }
1311 for (i = 0; i < ev->num_neighbors; i++) {
1312 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",
1313 i + 1, ev->num_neighbors, ev->neighbor[i].bssid,
1314 ev->neighbor[i].bss_flags);
1315 cfg80211_pmksa_candidate_notify(vif->ndev, i,
1316 ev->neighbor[i].bssid,
1317 !!(ev->neighbor[i].bss_flags &
1318 WMI_PREAUTH_CAPABLE_BSS),
1319 GFP_ATOMIC);
1320 }
1321
1322 return 0;
1323 }
1324
1325 /*
1326 * Target is reporting a programming error. This is for
1327 * developer aid only. Target only checks a few common violations
1328 * and it is responsibility of host to do all error checking.
1329 * Behavior of target after wmi error event is undefined.
1330 * A reset is recommended.
1331 */
ath6kl_wmi_error_event_rx(struct wmi * wmi,u8 * datap,int len)1332 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1333 {
1334 const char *type = "unknown error";
1335 struct wmi_cmd_error_event *ev;
1336 ev = (struct wmi_cmd_error_event *) datap;
1337
1338 switch (ev->err_code) {
1339 case INVALID_PARAM:
1340 type = "invalid parameter";
1341 break;
1342 case ILLEGAL_STATE:
1343 type = "invalid state";
1344 break;
1345 case INTERNAL_ERROR:
1346 type = "internal error";
1347 break;
1348 }
1349
1350 ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1351 ev->cmd_id, type);
1352
1353 return 0;
1354 }
1355
ath6kl_wmi_stats_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1356 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,
1357 struct ath6kl_vif *vif)
1358 {
1359 ath6kl_tgt_stats_event(vif, datap, len);
1360
1361 return 0;
1362 }
1363
ath6kl_wmi_get_upper_threshold(s16 rssi,struct sq_threshold_params * sq_thresh,u32 size)1364 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1365 struct sq_threshold_params *sq_thresh,
1366 u32 size)
1367 {
1368 u32 index;
1369 u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1370
1371 /* The list is already in sorted order. Get the next lower value */
1372 for (index = 0; index < size; index++) {
1373 if (rssi < sq_thresh->upper_threshold[index]) {
1374 threshold = (u8) sq_thresh->upper_threshold[index];
1375 break;
1376 }
1377 }
1378
1379 return threshold;
1380 }
1381
ath6kl_wmi_get_lower_threshold(s16 rssi,struct sq_threshold_params * sq_thresh,u32 size)1382 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1383 struct sq_threshold_params *sq_thresh,
1384 u32 size)
1385 {
1386 u32 index;
1387 u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1388
1389 /* The list is already in sorted order. Get the next lower value */
1390 for (index = 0; index < size; index++) {
1391 if (rssi > sq_thresh->lower_threshold[index]) {
1392 threshold = (u8) sq_thresh->lower_threshold[index];
1393 break;
1394 }
1395 }
1396
1397 return threshold;
1398 }
1399
ath6kl_wmi_send_rssi_threshold_params(struct wmi * wmi,struct wmi_rssi_threshold_params_cmd * rssi_cmd)1400 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1401 struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1402 {
1403 struct sk_buff *skb;
1404 struct wmi_rssi_threshold_params_cmd *cmd;
1405
1406 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1407 if (!skb)
1408 return -ENOMEM;
1409
1410 cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1411 memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1412
1413 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1414 NO_SYNC_WMIFLAG);
1415 }
1416
ath6kl_wmi_rssi_threshold_event_rx(struct wmi * wmi,u8 * datap,int len)1417 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1418 int len)
1419 {
1420 struct wmi_rssi_threshold_event *reply;
1421 struct wmi_rssi_threshold_params_cmd cmd;
1422 struct sq_threshold_params *sq_thresh;
1423 enum wmi_rssi_threshold_val new_threshold;
1424 u8 upper_rssi_threshold, lower_rssi_threshold;
1425 s16 rssi;
1426 int ret;
1427
1428 if (len < sizeof(struct wmi_rssi_threshold_event))
1429 return -EINVAL;
1430
1431 reply = (struct wmi_rssi_threshold_event *) datap;
1432 new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1433 rssi = a_sle16_to_cpu(reply->rssi);
1434
1435 sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1436
1437 /*
1438 * Identify the threshold breached and communicate that to the app.
1439 * After that install a new set of thresholds based on the signal
1440 * quality reported by the target
1441 */
1442 if (new_threshold) {
1443 /* Upper threshold breached */
1444 if (rssi < sq_thresh->upper_threshold[0]) {
1445 ath6kl_dbg(ATH6KL_DBG_WMI,
1446 "spurious upper rssi threshold event: %d\n",
1447 rssi);
1448 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1449 (rssi >= sq_thresh->upper_threshold[0])) {
1450 new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1451 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1452 (rssi >= sq_thresh->upper_threshold[1])) {
1453 new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1454 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1455 (rssi >= sq_thresh->upper_threshold[2])) {
1456 new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1457 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1458 (rssi >= sq_thresh->upper_threshold[3])) {
1459 new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1460 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1461 (rssi >= sq_thresh->upper_threshold[4])) {
1462 new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1463 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1464 new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1465 }
1466 } else {
1467 /* Lower threshold breached */
1468 if (rssi > sq_thresh->lower_threshold[0]) {
1469 ath6kl_dbg(ATH6KL_DBG_WMI,
1470 "spurious lower rssi threshold event: %d %d\n",
1471 rssi, sq_thresh->lower_threshold[0]);
1472 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1473 (rssi <= sq_thresh->lower_threshold[0])) {
1474 new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1475 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1476 (rssi <= sq_thresh->lower_threshold[1])) {
1477 new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1478 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1479 (rssi <= sq_thresh->lower_threshold[2])) {
1480 new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1481 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1482 (rssi <= sq_thresh->lower_threshold[3])) {
1483 new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1484 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1485 (rssi <= sq_thresh->lower_threshold[4])) {
1486 new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1487 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1488 new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1489 }
1490 }
1491
1492 /* Calculate and install the next set of thresholds */
1493 lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1494 sq_thresh->lower_threshold_valid_count);
1495 upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1496 sq_thresh->upper_threshold_valid_count);
1497
1498 /* Issue a wmi command to install the thresholds */
1499 cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1500 cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1501 cmd.weight = sq_thresh->weight;
1502 cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1503
1504 ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1505 if (ret) {
1506 ath6kl_err("unable to configure rssi thresholds\n");
1507 return -EIO;
1508 }
1509
1510 return 0;
1511 }
1512
ath6kl_wmi_cac_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1513 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,
1514 struct ath6kl_vif *vif)
1515 {
1516 struct wmi_cac_event *reply;
1517 struct ieee80211_tspec_ie *ts;
1518 u16 active_tsids, tsinfo;
1519 u8 tsid, index;
1520 u8 ts_id;
1521
1522 if (len < sizeof(struct wmi_cac_event))
1523 return -EINVAL;
1524
1525 reply = (struct wmi_cac_event *) datap;
1526 if (reply->ac >= WMM_NUM_AC) {
1527 ath6kl_err("invalid AC: %d\n", reply->ac);
1528 return -EINVAL;
1529 }
1530
1531 if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1532 (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1533 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1534 tsinfo = le16_to_cpu(ts->tsinfo);
1535 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1536 IEEE80211_WMM_IE_TSPEC_TID_MASK;
1537
1538 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1539 reply->ac, tsid);
1540 } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1541 /*
1542 * Following assumes that there is only one outstanding
1543 * ADDTS request when this event is received
1544 */
1545 spin_lock_bh(&wmi->lock);
1546 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1547 spin_unlock_bh(&wmi->lock);
1548
1549 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1550 if ((active_tsids >> index) & 1)
1551 break;
1552 }
1553 if (index < (sizeof(active_tsids) * 8))
1554 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,
1555 reply->ac, index);
1556 }
1557
1558 /*
1559 * Clear active tsids and Add missing handling
1560 * for delete qos stream from AP
1561 */
1562 else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1563 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1564 tsinfo = le16_to_cpu(ts->tsinfo);
1565 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1566 IEEE80211_WMM_IE_TSPEC_TID_MASK);
1567
1568 spin_lock_bh(&wmi->lock);
1569 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1570 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1571 spin_unlock_bh(&wmi->lock);
1572
1573 /* Indicate stream inactivity to driver layer only if all tsids
1574 * within this AC are deleted.
1575 */
1576 if (!active_tsids) {
1577 ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1578 false);
1579 wmi->fat_pipe_exist &= ~(1 << reply->ac);
1580 }
1581 }
1582
1583 return 0;
1584 }
1585
ath6kl_wmi_txe_notify_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)1586 static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,
1587 struct ath6kl_vif *vif)
1588 {
1589 struct wmi_txe_notify_event *ev;
1590 u32 rate, pkts;
1591
1592 if (len < sizeof(*ev))
1593 return -EINVAL;
1594
1595 if (vif->nw_type != INFRA_NETWORK ||
1596 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,
1597 vif->ar->fw_capabilities))
1598 return -EOPNOTSUPP;
1599
1600 if (vif->sme_state != SME_CONNECTED)
1601 return -ENOTCONN;
1602
1603 ev = (struct wmi_txe_notify_event *) datap;
1604 rate = le32_to_cpu(ev->rate);
1605 pkts = le32_to_cpu(ev->pkts);
1606
1607 ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d%% pkts %d intvl %ds\n",
1608 vif->bssid, rate, pkts, vif->txe_intvl);
1609
1610 cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,
1611 rate, vif->txe_intvl, GFP_KERNEL);
1612
1613 return 0;
1614 }
1615
ath6kl_wmi_set_txe_notify(struct wmi * wmi,u8 idx,u32 rate,u32 pkts,u32 intvl)1616 int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,
1617 u32 rate, u32 pkts, u32 intvl)
1618 {
1619 struct sk_buff *skb;
1620 struct wmi_txe_notify_cmd *cmd;
1621
1622 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1623 if (!skb)
1624 return -ENOMEM;
1625
1626 cmd = (struct wmi_txe_notify_cmd *) skb->data;
1627 cmd->rate = cpu_to_le32(rate);
1628 cmd->pkts = cpu_to_le32(pkts);
1629 cmd->intvl = cpu_to_le32(intvl);
1630
1631 return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,
1632 NO_SYNC_WMIFLAG);
1633 }
1634
ath6kl_wmi_set_rssi_filter_cmd(struct wmi * wmi,u8 if_idx,s8 rssi)1635 int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)
1636 {
1637 struct sk_buff *skb;
1638 struct wmi_set_rssi_filter_cmd *cmd;
1639 int ret;
1640
1641 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1642 if (!skb)
1643 return -ENOMEM;
1644
1645 cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;
1646 cmd->rssi = rssi;
1647
1648 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,
1649 NO_SYNC_WMIFLAG);
1650 return ret;
1651 }
1652
ath6kl_wmi_send_snr_threshold_params(struct wmi * wmi,struct wmi_snr_threshold_params_cmd * snr_cmd)1653 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1654 struct wmi_snr_threshold_params_cmd *snr_cmd)
1655 {
1656 struct sk_buff *skb;
1657 struct wmi_snr_threshold_params_cmd *cmd;
1658
1659 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1660 if (!skb)
1661 return -ENOMEM;
1662
1663 cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1664 memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1665
1666 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1667 NO_SYNC_WMIFLAG);
1668 }
1669
ath6kl_wmi_snr_threshold_event_rx(struct wmi * wmi,u8 * datap,int len)1670 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1671 int len)
1672 {
1673 struct wmi_snr_threshold_event *reply;
1674 struct sq_threshold_params *sq_thresh;
1675 struct wmi_snr_threshold_params_cmd cmd;
1676 enum wmi_snr_threshold_val new_threshold;
1677 u8 upper_snr_threshold, lower_snr_threshold;
1678 s16 snr;
1679 int ret;
1680
1681 if (len < sizeof(struct wmi_snr_threshold_event))
1682 return -EINVAL;
1683
1684 reply = (struct wmi_snr_threshold_event *) datap;
1685
1686 new_threshold = (enum wmi_snr_threshold_val) reply->range;
1687 snr = reply->snr;
1688
1689 sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1690
1691 /*
1692 * Identify the threshold breached and communicate that to the app.
1693 * After that install a new set of thresholds based on the signal
1694 * quality reported by the target.
1695 */
1696 if (new_threshold) {
1697 /* Upper threshold breached */
1698 if (snr < sq_thresh->upper_threshold[0]) {
1699 ath6kl_dbg(ATH6KL_DBG_WMI,
1700 "spurious upper snr threshold event: %d\n",
1701 snr);
1702 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1703 (snr >= sq_thresh->upper_threshold[0])) {
1704 new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1705 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1706 (snr >= sq_thresh->upper_threshold[1])) {
1707 new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1708 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1709 (snr >= sq_thresh->upper_threshold[2])) {
1710 new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1711 } else if (snr >= sq_thresh->upper_threshold[3]) {
1712 new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1713 }
1714 } else {
1715 /* Lower threshold breached */
1716 if (snr > sq_thresh->lower_threshold[0]) {
1717 ath6kl_dbg(ATH6KL_DBG_WMI,
1718 "spurious lower snr threshold event: %d\n",
1719 sq_thresh->lower_threshold[0]);
1720 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1721 (snr <= sq_thresh->lower_threshold[0])) {
1722 new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1723 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1724 (snr <= sq_thresh->lower_threshold[1])) {
1725 new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1726 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1727 (snr <= sq_thresh->lower_threshold[2])) {
1728 new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1729 } else if (snr <= sq_thresh->lower_threshold[3]) {
1730 new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1731 }
1732 }
1733
1734 /* Calculate and install the next set of thresholds */
1735 lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1736 sq_thresh->lower_threshold_valid_count);
1737 upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1738 sq_thresh->upper_threshold_valid_count);
1739
1740 /* Issue a wmi command to install the thresholds */
1741 cmd.thresh_above1_val = upper_snr_threshold;
1742 cmd.thresh_below1_val = lower_snr_threshold;
1743 cmd.weight = sq_thresh->weight;
1744 cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1745
1746 ath6kl_dbg(ATH6KL_DBG_WMI,
1747 "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1748 snr, new_threshold,
1749 lower_snr_threshold, upper_snr_threshold);
1750
1751 ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1752 if (ret) {
1753 ath6kl_err("unable to configure snr threshold\n");
1754 return -EIO;
1755 }
1756
1757 return 0;
1758 }
1759
ath6kl_wmi_aplist_event_rx(struct wmi * wmi,u8 * datap,int len)1760 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1761 {
1762 u16 ap_info_entry_size;
1763 struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1764 struct wmi_ap_info_v1 *ap_info_v1;
1765 u8 index;
1766
1767 if (len < sizeof(struct wmi_aplist_event) ||
1768 ev->ap_list_ver != APLIST_VER1)
1769 return -EINVAL;
1770
1771 ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1772 ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1773
1774 ath6kl_dbg(ATH6KL_DBG_WMI,
1775 "number of APs in aplist event: %d\n", ev->num_ap);
1776
1777 if (len < (int) (sizeof(struct wmi_aplist_event) +
1778 (ev->num_ap - 1) * ap_info_entry_size))
1779 return -EINVAL;
1780
1781 /* AP list version 1 contents */
1782 for (index = 0; index < ev->num_ap; index++) {
1783 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1784 index, ap_info_v1->bssid, ap_info_v1->channel);
1785 ap_info_v1++;
1786 }
1787
1788 return 0;
1789 }
1790
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)1791 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,
1792 enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1793 {
1794 struct wmi_cmd_hdr *cmd_hdr;
1795 enum htc_endpoint_id ep_id = wmi->ep_id;
1796 int ret;
1797 u16 info1;
1798
1799 if (WARN_ON(skb == NULL ||
1800 (if_idx > (wmi->parent_dev->vif_max - 1)))) {
1801 dev_kfree_skb(skb);
1802 return -EINVAL;
1803 }
1804
1805 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",
1806 cmd_id, skb->len, sync_flag);
1807 ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",
1808 skb->data, skb->len);
1809
1810 if (sync_flag >= END_WMIFLAG) {
1811 dev_kfree_skb(skb);
1812 return -EINVAL;
1813 }
1814
1815 if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1816 (sync_flag == SYNC_BOTH_WMIFLAG)) {
1817 /*
1818 * Make sure all data currently queued is transmitted before
1819 * the cmd execution. Establish a new sync point.
1820 */
1821 ath6kl_wmi_sync_point(wmi, if_idx);
1822 }
1823
1824 skb_push(skb, sizeof(struct wmi_cmd_hdr));
1825
1826 cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1827 cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1828 info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;
1829 cmd_hdr->info1 = cpu_to_le16(info1);
1830
1831 /* Only for OPT_TX_CMD, use BE endpoint. */
1832 if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1833 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1834 false, false, 0, NULL, if_idx);
1835 if (ret) {
1836 dev_kfree_skb(skb);
1837 return ret;
1838 }
1839 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1840 }
1841
1842 ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1843
1844 if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1845 (sync_flag == SYNC_BOTH_WMIFLAG)) {
1846 /*
1847 * Make sure all new data queued waits for the command to
1848 * execute. Establish a new sync point.
1849 */
1850 ath6kl_wmi_sync_point(wmi, if_idx);
1851 }
1852
1853 return 0;
1854 }
1855
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)1856 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,
1857 enum network_type nw_type,
1858 enum dot11_auth_mode dot11_auth_mode,
1859 enum auth_mode auth_mode,
1860 enum crypto_type pairwise_crypto,
1861 u8 pairwise_crypto_len,
1862 enum crypto_type group_crypto,
1863 u8 group_crypto_len, int ssid_len, u8 *ssid,
1864 u8 *bssid, u16 channel, u32 ctrl_flags,
1865 u8 nw_subtype)
1866 {
1867 struct sk_buff *skb;
1868 struct wmi_connect_cmd *cc;
1869 int ret;
1870
1871 ath6kl_dbg(ATH6KL_DBG_WMI,
1872 "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "
1873 "type %d dot11_auth %d auth %d pairwise %d group %d\n",
1874 bssid, channel, ctrl_flags, ssid_len, nw_type,
1875 dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);
1876 ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);
1877
1878 wmi->traffic_class = 100;
1879
1880 if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1881 return -EINVAL;
1882
1883 if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1884 return -EINVAL;
1885
1886 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1887 if (!skb)
1888 return -ENOMEM;
1889
1890 cc = (struct wmi_connect_cmd *) skb->data;
1891
1892 if (ssid_len)
1893 memcpy(cc->ssid, ssid, ssid_len);
1894
1895 cc->ssid_len = ssid_len;
1896 cc->nw_type = nw_type;
1897 cc->dot11_auth_mode = dot11_auth_mode;
1898 cc->auth_mode = auth_mode;
1899 cc->prwise_crypto_type = pairwise_crypto;
1900 cc->prwise_crypto_len = pairwise_crypto_len;
1901 cc->grp_crypto_type = group_crypto;
1902 cc->grp_crypto_len = group_crypto_len;
1903 cc->ch = cpu_to_le16(channel);
1904 cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1905 cc->nw_subtype = nw_subtype;
1906
1907 if (bssid != NULL)
1908 memcpy(cc->bssid, bssid, ETH_ALEN);
1909
1910 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,
1911 NO_SYNC_WMIFLAG);
1912
1913 return ret;
1914 }
1915
ath6kl_wmi_reconnect_cmd(struct wmi * wmi,u8 if_idx,u8 * bssid,u16 channel)1916 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,
1917 u16 channel)
1918 {
1919 struct sk_buff *skb;
1920 struct wmi_reconnect_cmd *cc;
1921 int ret;
1922
1923 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",
1924 bssid, channel);
1925
1926 wmi->traffic_class = 100;
1927
1928 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1929 if (!skb)
1930 return -ENOMEM;
1931
1932 cc = (struct wmi_reconnect_cmd *) skb->data;
1933 cc->channel = cpu_to_le16(channel);
1934
1935 if (bssid != NULL)
1936 memcpy(cc->bssid, bssid, ETH_ALEN);
1937
1938 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,
1939 NO_SYNC_WMIFLAG);
1940
1941 return ret;
1942 }
1943
ath6kl_wmi_disconnect_cmd(struct wmi * wmi,u8 if_idx)1944 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)
1945 {
1946 int ret;
1947
1948 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");
1949
1950 wmi->traffic_class = 100;
1951
1952 /* Disconnect command does not need to do a SYNC before. */
1953 ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);
1954
1955 return ret;
1956 }
1957
1958 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use
1959 * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P
1960 * mgmt operations using station interface.
1961 */
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)1962 static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,
1963 enum wmi_scan_type scan_type,
1964 u32 force_fgscan, u32 is_legacy,
1965 u32 home_dwell_time,
1966 u32 force_scan_interval,
1967 s8 num_chan, u16 *ch_list)
1968 {
1969 struct sk_buff *skb;
1970 struct wmi_start_scan_cmd *sc;
1971 s8 size;
1972 int i, ret;
1973
1974 size = sizeof(struct wmi_start_scan_cmd);
1975
1976 if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1977 return -EINVAL;
1978
1979 if (num_chan > WMI_MAX_CHANNELS)
1980 return -EINVAL;
1981
1982 if (num_chan)
1983 size += sizeof(u16) * (num_chan - 1);
1984
1985 skb = ath6kl_wmi_get_new_buf(size);
1986 if (!skb)
1987 return -ENOMEM;
1988
1989 sc = (struct wmi_start_scan_cmd *) skb->data;
1990 sc->scan_type = scan_type;
1991 sc->force_fg_scan = cpu_to_le32(force_fgscan);
1992 sc->is_legacy = cpu_to_le32(is_legacy);
1993 sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1994 sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1995 sc->num_ch = num_chan;
1996
1997 for (i = 0; i < num_chan; i++)
1998 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
1999
2000 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,
2001 NO_SYNC_WMIFLAG);
2002
2003 return ret;
2004 }
2005
2006 /*
2007 * beginscan supports (compared to old startscan) P2P mgmt operations using
2008 * station interface, send additional information like supported rates to
2009 * advertise and xmit rates for probe requests
2010 */
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)2011 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,
2012 enum wmi_scan_type scan_type,
2013 u32 force_fgscan, u32 is_legacy,
2014 u32 home_dwell_time, u32 force_scan_interval,
2015 s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)
2016 {
2017 struct ieee80211_supported_band *sband;
2018 struct sk_buff *skb;
2019 struct wmi_begin_scan_cmd *sc;
2020 s8 size, *supp_rates;
2021 int i, band, ret;
2022 struct ath6kl *ar = wmi->parent_dev;
2023 int num_rates;
2024 u32 ratemask;
2025
2026 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
2027 ar->fw_capabilities)) {
2028 return ath6kl_wmi_startscan_cmd(wmi, if_idx,
2029 scan_type, force_fgscan,
2030 is_legacy, home_dwell_time,
2031 force_scan_interval,
2032 num_chan, ch_list);
2033 }
2034
2035 size = sizeof(struct wmi_begin_scan_cmd);
2036
2037 if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
2038 return -EINVAL;
2039
2040 if (num_chan > WMI_MAX_CHANNELS)
2041 return -EINVAL;
2042
2043 if (num_chan)
2044 size += sizeof(u16) * (num_chan - 1);
2045
2046 skb = ath6kl_wmi_get_new_buf(size);
2047 if (!skb)
2048 return -ENOMEM;
2049
2050 sc = (struct wmi_begin_scan_cmd *) skb->data;
2051 sc->scan_type = scan_type;
2052 sc->force_fg_scan = cpu_to_le32(force_fgscan);
2053 sc->is_legacy = cpu_to_le32(is_legacy);
2054 sc->home_dwell_time = cpu_to_le32(home_dwell_time);
2055 sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
2056 sc->no_cck = cpu_to_le32(no_cck);
2057 sc->num_ch = num_chan;
2058
2059 for (band = 0; band < NUM_NL80211_BANDS; band++) {
2060 sband = ar->wiphy->bands[band];
2061
2062 if (!sband)
2063 continue;
2064
2065 if (WARN_ON(band >= ATH6KL_NUM_BANDS))
2066 break;
2067
2068 ratemask = rates[band];
2069 supp_rates = sc->supp_rates[band].rates;
2070 num_rates = 0;
2071
2072 for (i = 0; i < sband->n_bitrates; i++) {
2073 if ((BIT(i) & ratemask) == 0)
2074 continue; /* skip rate */
2075 supp_rates[num_rates++] =
2076 (u8) (sband->bitrates[i].bitrate / 5);
2077 }
2078 sc->supp_rates[band].nrates = num_rates;
2079 }
2080
2081 for (i = 0; i < num_chan; i++)
2082 sc->ch_list[i] = cpu_to_le16(ch_list[i]);
2083
2084 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,
2085 NO_SYNC_WMIFLAG);
2086
2087 return ret;
2088 }
2089
ath6kl_wmi_enable_sched_scan_cmd(struct wmi * wmi,u8 if_idx,bool enable)2090 int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)
2091 {
2092 struct sk_buff *skb;
2093 struct wmi_enable_sched_scan_cmd *sc;
2094 int ret;
2095
2096 skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2097 if (!skb)
2098 return -ENOMEM;
2099
2100 ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",
2101 enable ? "enabling" : "disabling", if_idx);
2102 sc = (struct wmi_enable_sched_scan_cmd *) skb->data;
2103 sc->enable = enable ? 1 : 0;
2104
2105 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2106 WMI_ENABLE_SCHED_SCAN_CMDID,
2107 NO_SYNC_WMIFLAG);
2108 return ret;
2109 }
2110
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)2111 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,
2112 u16 fg_start_sec,
2113 u16 fg_end_sec, u16 bg_sec,
2114 u16 minact_chdw_msec, u16 maxact_chdw_msec,
2115 u16 pas_chdw_msec, u8 short_scan_ratio,
2116 u8 scan_ctrl_flag, u32 max_dfsch_act_time,
2117 u16 maxact_scan_per_ssid)
2118 {
2119 struct sk_buff *skb;
2120 struct wmi_scan_params_cmd *sc;
2121 int ret;
2122
2123 skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
2124 if (!skb)
2125 return -ENOMEM;
2126
2127 sc = (struct wmi_scan_params_cmd *) skb->data;
2128 sc->fg_start_period = cpu_to_le16(fg_start_sec);
2129 sc->fg_end_period = cpu_to_le16(fg_end_sec);
2130 sc->bg_period = cpu_to_le16(bg_sec);
2131 sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
2132 sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
2133 sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
2134 sc->short_scan_ratio = short_scan_ratio;
2135 sc->scan_ctrl_flags = scan_ctrl_flag;
2136 sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
2137 sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
2138
2139 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,
2140 NO_SYNC_WMIFLAG);
2141 return ret;
2142 }
2143
ath6kl_wmi_bssfilter_cmd(struct wmi * wmi,u8 if_idx,u8 filter,u32 ie_mask)2144 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)
2145 {
2146 struct sk_buff *skb;
2147 struct wmi_bss_filter_cmd *cmd;
2148 int ret;
2149
2150 if (filter >= LAST_BSS_FILTER)
2151 return -EINVAL;
2152
2153 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2154 if (!skb)
2155 return -ENOMEM;
2156
2157 cmd = (struct wmi_bss_filter_cmd *) skb->data;
2158 cmd->bss_filter = filter;
2159 cmd->ie_mask = cpu_to_le32(ie_mask);
2160
2161 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,
2162 NO_SYNC_WMIFLAG);
2163 return ret;
2164 }
2165
ath6kl_wmi_probedssid_cmd(struct wmi * wmi,u8 if_idx,u8 index,u8 flag,u8 ssid_len,u8 * ssid)2166 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,
2167 u8 ssid_len, u8 *ssid)
2168 {
2169 struct sk_buff *skb;
2170 struct wmi_probed_ssid_cmd *cmd;
2171 int ret;
2172
2173 if (index >= MAX_PROBED_SSIDS)
2174 return -EINVAL;
2175
2176 if (ssid_len > sizeof(cmd->ssid))
2177 return -EINVAL;
2178
2179 if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
2180 return -EINVAL;
2181
2182 if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
2183 return -EINVAL;
2184
2185 if (flag & SPECIFIC_SSID_FLAG)
2186 wmi->is_probe_ssid = true;
2187
2188 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2189 if (!skb)
2190 return -ENOMEM;
2191
2192 cmd = (struct wmi_probed_ssid_cmd *) skb->data;
2193 cmd->entry_index = index;
2194 cmd->flag = flag;
2195 cmd->ssid_len = ssid_len;
2196 memcpy(cmd->ssid, ssid, ssid_len);
2197
2198 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,
2199 NO_SYNC_WMIFLAG);
2200 return ret;
2201 }
2202
ath6kl_wmi_listeninterval_cmd(struct wmi * wmi,u8 if_idx,u16 listen_interval,u16 listen_beacons)2203 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,
2204 u16 listen_interval,
2205 u16 listen_beacons)
2206 {
2207 struct sk_buff *skb;
2208 struct wmi_listen_int_cmd *cmd;
2209 int ret;
2210
2211 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2212 if (!skb)
2213 return -ENOMEM;
2214
2215 cmd = (struct wmi_listen_int_cmd *) skb->data;
2216 cmd->listen_intvl = cpu_to_le16(listen_interval);
2217 cmd->num_beacons = cpu_to_le16(listen_beacons);
2218
2219 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,
2220 NO_SYNC_WMIFLAG);
2221 return ret;
2222 }
2223
ath6kl_wmi_bmisstime_cmd(struct wmi * wmi,u8 if_idx,u16 bmiss_time,u16 num_beacons)2224 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,
2225 u16 bmiss_time, u16 num_beacons)
2226 {
2227 struct sk_buff *skb;
2228 struct wmi_bmiss_time_cmd *cmd;
2229 int ret;
2230
2231 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2232 if (!skb)
2233 return -ENOMEM;
2234
2235 cmd = (struct wmi_bmiss_time_cmd *) skb->data;
2236 cmd->bmiss_time = cpu_to_le16(bmiss_time);
2237 cmd->num_beacons = cpu_to_le16(num_beacons);
2238
2239 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,
2240 NO_SYNC_WMIFLAG);
2241 return ret;
2242 }
2243
ath6kl_wmi_powermode_cmd(struct wmi * wmi,u8 if_idx,u8 pwr_mode)2244 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)
2245 {
2246 struct sk_buff *skb;
2247 struct wmi_power_mode_cmd *cmd;
2248 int ret;
2249
2250 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2251 if (!skb)
2252 return -ENOMEM;
2253
2254 cmd = (struct wmi_power_mode_cmd *) skb->data;
2255 cmd->pwr_mode = pwr_mode;
2256 wmi->pwr_mode = pwr_mode;
2257
2258 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,
2259 NO_SYNC_WMIFLAG);
2260 return ret;
2261 }
2262
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)2263 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,
2264 u16 ps_poll_num, u16 dtim_policy,
2265 u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
2266 u16 ps_fail_event_policy)
2267 {
2268 struct sk_buff *skb;
2269 struct wmi_power_params_cmd *pm;
2270 int ret;
2271
2272 skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
2273 if (!skb)
2274 return -ENOMEM;
2275
2276 pm = (struct wmi_power_params_cmd *)skb->data;
2277 pm->idle_period = cpu_to_le16(idle_period);
2278 pm->pspoll_number = cpu_to_le16(ps_poll_num);
2279 pm->dtim_policy = cpu_to_le16(dtim_policy);
2280 pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
2281 pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
2282 pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
2283
2284 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,
2285 NO_SYNC_WMIFLAG);
2286 return ret;
2287 }
2288
ath6kl_wmi_disctimeout_cmd(struct wmi * wmi,u8 if_idx,u8 timeout)2289 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)
2290 {
2291 struct sk_buff *skb;
2292 struct wmi_disc_timeout_cmd *cmd;
2293 int ret;
2294
2295 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2296 if (!skb)
2297 return -ENOMEM;
2298
2299 cmd = (struct wmi_disc_timeout_cmd *) skb->data;
2300 cmd->discon_timeout = timeout;
2301
2302 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,
2303 NO_SYNC_WMIFLAG);
2304
2305 if (ret == 0)
2306 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);
2307
2308 return ret;
2309 }
2310
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)2311 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,
2312 enum crypto_type key_type,
2313 u8 key_usage, u8 key_len,
2314 u8 *key_rsc, unsigned int key_rsc_len,
2315 u8 *key_material,
2316 u8 key_op_ctrl, u8 *mac_addr,
2317 enum wmi_sync_flag sync_flag)
2318 {
2319 struct sk_buff *skb;
2320 struct wmi_add_cipher_key_cmd *cmd;
2321 int ret;
2322
2323 ath6kl_dbg(ATH6KL_DBG_WMI,
2324 "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",
2325 key_index, key_type, key_usage, key_len, key_op_ctrl);
2326
2327 if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
2328 (key_material == NULL) || key_rsc_len > 8)
2329 return -EINVAL;
2330
2331 if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
2332 return -EINVAL;
2333
2334 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2335 if (!skb)
2336 return -ENOMEM;
2337
2338 cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
2339 cmd->key_index = key_index;
2340 cmd->key_type = key_type;
2341 cmd->key_usage = key_usage;
2342 cmd->key_len = key_len;
2343 memcpy(cmd->key, key_material, key_len);
2344
2345 if (key_rsc != NULL)
2346 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);
2347
2348 cmd->key_op_ctrl = key_op_ctrl;
2349
2350 if (mac_addr)
2351 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
2352
2353 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,
2354 sync_flag);
2355
2356 return ret;
2357 }
2358
ath6kl_wmi_add_krk_cmd(struct wmi * wmi,u8 if_idx,const u8 * krk)2359 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)
2360 {
2361 struct sk_buff *skb;
2362 struct wmi_add_krk_cmd *cmd;
2363 int ret;
2364
2365 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2366 if (!skb)
2367 return -ENOMEM;
2368
2369 cmd = (struct wmi_add_krk_cmd *) skb->data;
2370 memcpy(cmd->krk, krk, WMI_KRK_LEN);
2371
2372 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,
2373 NO_SYNC_WMIFLAG);
2374
2375 return ret;
2376 }
2377
ath6kl_wmi_deletekey_cmd(struct wmi * wmi,u8 if_idx,u8 key_index)2378 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)
2379 {
2380 struct sk_buff *skb;
2381 struct wmi_delete_cipher_key_cmd *cmd;
2382 int ret;
2383
2384 if (key_index > WMI_MAX_KEY_INDEX)
2385 return -EINVAL;
2386
2387 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2388 if (!skb)
2389 return -ENOMEM;
2390
2391 cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
2392 cmd->key_index = key_index;
2393
2394 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,
2395 NO_SYNC_WMIFLAG);
2396
2397 return ret;
2398 }
2399
ath6kl_wmi_setpmkid_cmd(struct wmi * wmi,u8 if_idx,const u8 * bssid,const u8 * pmkid,bool set)2400 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,
2401 const u8 *pmkid, bool set)
2402 {
2403 struct sk_buff *skb;
2404 struct wmi_setpmkid_cmd *cmd;
2405 int ret;
2406
2407 if (bssid == NULL)
2408 return -EINVAL;
2409
2410 if (set && pmkid == NULL)
2411 return -EINVAL;
2412
2413 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2414 if (!skb)
2415 return -ENOMEM;
2416
2417 cmd = (struct wmi_setpmkid_cmd *) skb->data;
2418 memcpy(cmd->bssid, bssid, ETH_ALEN);
2419 if (set) {
2420 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
2421 cmd->enable = PMKID_ENABLE;
2422 } else {
2423 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
2424 cmd->enable = PMKID_DISABLE;
2425 }
2426
2427 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,
2428 NO_SYNC_WMIFLAG);
2429
2430 return ret;
2431 }
2432
ath6kl_wmi_data_sync_send(struct wmi * wmi,struct sk_buff * skb,enum htc_endpoint_id ep_id,u8 if_idx)2433 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
2434 enum htc_endpoint_id ep_id, u8 if_idx)
2435 {
2436 struct wmi_data_hdr *data_hdr;
2437 int ret;
2438
2439 if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {
2440 dev_kfree_skb(skb);
2441 return -EINVAL;
2442 }
2443
2444 skb_push(skb, sizeof(struct wmi_data_hdr));
2445
2446 data_hdr = (struct wmi_data_hdr *) skb->data;
2447 data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
2448 data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);
2449
2450 ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
2451
2452 return ret;
2453 }
2454
ath6kl_wmi_sync_point(struct wmi * wmi,u8 if_idx)2455 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
2456 {
2457 struct sk_buff *skb;
2458 struct wmi_sync_cmd *cmd;
2459 struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
2460 enum htc_endpoint_id ep_id;
2461 u8 index, num_pri_streams = 0;
2462 int ret = 0;
2463
2464 memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
2465
2466 spin_lock_bh(&wmi->lock);
2467
2468 for (index = 0; index < WMM_NUM_AC; index++) {
2469 if (wmi->fat_pipe_exist & (1 << index)) {
2470 num_pri_streams++;
2471 data_sync_bufs[num_pri_streams - 1].traffic_class =
2472 index;
2473 }
2474 }
2475
2476 spin_unlock_bh(&wmi->lock);
2477
2478 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2479 if (!skb)
2480 return -ENOMEM;
2481
2482 cmd = (struct wmi_sync_cmd *) skb->data;
2483
2484 /*
2485 * In the SYNC cmd sent on the control Ep, send a bitmap
2486 * of the data eps on which the Data Sync will be sent
2487 */
2488 cmd->data_sync_map = wmi->fat_pipe_exist;
2489
2490 for (index = 0; index < num_pri_streams; index++) {
2491 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
2492 if (data_sync_bufs[index].skb == NULL) {
2493 ret = -ENOMEM;
2494 break;
2495 }
2496 }
2497
2498 /*
2499 * If buffer allocation for any of the dataSync fails,
2500 * then do not send the Synchronize cmd on the control ep
2501 */
2502 if (ret)
2503 goto free_cmd_skb;
2504
2505 /*
2506 * Send sync cmd followed by sync data messages on all
2507 * endpoints being used
2508 */
2509 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,
2510 NO_SYNC_WMIFLAG);
2511
2512 if (ret)
2513 goto free_data_skb;
2514
2515 for (index = 0; index < num_pri_streams; index++) {
2516 if (WARN_ON(!data_sync_bufs[index].skb))
2517 goto free_data_skb;
2518
2519 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
2520 data_sync_bufs[index].
2521 traffic_class);
2522 ret =
2523 ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
2524 ep_id, if_idx);
2525
2526 data_sync_bufs[index].skb = NULL;
2527
2528 if (ret)
2529 goto free_data_skb;
2530 }
2531
2532 return 0;
2533
2534 free_cmd_skb:
2535 /* free up any resources left over (possibly due to an error) */
2536 dev_kfree_skb(skb);
2537
2538 free_data_skb:
2539 for (index = 0; index < num_pri_streams; index++)
2540 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);
2541
2542 return ret;
2543 }
2544
ath6kl_wmi_create_pstream_cmd(struct wmi * wmi,u8 if_idx,struct wmi_create_pstream_cmd * params)2545 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,
2546 struct wmi_create_pstream_cmd *params)
2547 {
2548 struct sk_buff *skb;
2549 struct wmi_create_pstream_cmd *cmd;
2550 u8 fatpipe_exist_for_ac = 0;
2551 s32 min_phy = 0;
2552 s32 nominal_phy = 0;
2553 int ret;
2554
2555 if (!((params->user_pri <= 0x7) &&
2556 (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2557 (params->traffic_direc == UPLINK_TRAFFIC ||
2558 params->traffic_direc == DNLINK_TRAFFIC ||
2559 params->traffic_direc == BIDIR_TRAFFIC) &&
2560 (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2561 params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2562 (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2563 params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2564 params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2565 (params->tsid == WMI_IMPLICIT_PSTREAM ||
2566 params->tsid <= WMI_MAX_THINSTREAM))) {
2567 return -EINVAL;
2568 }
2569
2570 /*
2571 * Check nominal PHY rate is >= minimalPHY,
2572 * so that DUT can allow TSRS IE
2573 */
2574
2575 /* Get the physical rate (units of bps) */
2576 min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2577
2578 /* Check minimal phy < nominal phy rate */
2579 if (params->nominal_phy >= min_phy) {
2580 /* unit of 500 kbps */
2581 nominal_phy = (params->nominal_phy * 1000) / 500;
2582 ath6kl_dbg(ATH6KL_DBG_WMI,
2583 "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2584 min_phy, nominal_phy);
2585
2586 params->nominal_phy = nominal_phy;
2587 } else {
2588 params->nominal_phy = 0;
2589 }
2590
2591 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2592 if (!skb)
2593 return -ENOMEM;
2594
2595 ath6kl_dbg(ATH6KL_DBG_WMI,
2596 "sending create_pstream_cmd: ac=%d tsid:%d\n",
2597 params->traffic_class, params->tsid);
2598
2599 cmd = (struct wmi_create_pstream_cmd *) skb->data;
2600 memcpy(cmd, params, sizeof(*cmd));
2601
2602 /* This is an implicitly created Fat pipe */
2603 if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2604 spin_lock_bh(&wmi->lock);
2605 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2606 (1 << params->traffic_class));
2607 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2608 spin_unlock_bh(&wmi->lock);
2609 } else {
2610 /* explicitly created thin stream within a fat pipe */
2611 spin_lock_bh(&wmi->lock);
2612 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2613 (1 << params->traffic_class));
2614 wmi->stream_exist_for_ac[params->traffic_class] |=
2615 (1 << params->tsid);
2616 /*
2617 * If a thinstream becomes active, the fat pipe automatically
2618 * becomes active
2619 */
2620 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2621 spin_unlock_bh(&wmi->lock);
2622 }
2623
2624 /*
2625 * Indicate activty change to driver layer only if this is the
2626 * first TSID to get created in this AC explicitly or an implicit
2627 * fat pipe is getting created.
2628 */
2629 if (!fatpipe_exist_for_ac)
2630 ath6kl_indicate_tx_activity(wmi->parent_dev,
2631 params->traffic_class, true);
2632
2633 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,
2634 NO_SYNC_WMIFLAG);
2635 return ret;
2636 }
2637
ath6kl_wmi_delete_pstream_cmd(struct wmi * wmi,u8 if_idx,u8 traffic_class,u8 tsid)2638 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,
2639 u8 tsid)
2640 {
2641 struct sk_buff *skb;
2642 struct wmi_delete_pstream_cmd *cmd;
2643 u16 active_tsids = 0;
2644 int ret;
2645
2646 if (traffic_class >= WMM_NUM_AC) {
2647 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2648 return -EINVAL;
2649 }
2650
2651 if (tsid >= 16) {
2652 ath6kl_err("invalid tsid: %d\n", tsid);
2653 return -EINVAL;
2654 }
2655
2656 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2657 if (!skb)
2658 return -ENOMEM;
2659
2660 cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2661 cmd->traffic_class = traffic_class;
2662 cmd->tsid = tsid;
2663
2664 spin_lock_bh(&wmi->lock);
2665 active_tsids = wmi->stream_exist_for_ac[traffic_class];
2666 spin_unlock_bh(&wmi->lock);
2667
2668 if (!(active_tsids & (1 << tsid))) {
2669 dev_kfree_skb(skb);
2670 ath6kl_dbg(ATH6KL_DBG_WMI,
2671 "TSID %d doesn't exist for traffic class: %d\n",
2672 tsid, traffic_class);
2673 return -ENODATA;
2674 }
2675
2676 ath6kl_dbg(ATH6KL_DBG_WMI,
2677 "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2678 traffic_class, tsid);
2679
2680 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,
2681 SYNC_BEFORE_WMIFLAG);
2682
2683 spin_lock_bh(&wmi->lock);
2684 wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2685 active_tsids = wmi->stream_exist_for_ac[traffic_class];
2686 spin_unlock_bh(&wmi->lock);
2687
2688 /*
2689 * Indicate stream inactivity to driver layer only if all tsids
2690 * within this AC are deleted.
2691 */
2692 if (!active_tsids) {
2693 ath6kl_indicate_tx_activity(wmi->parent_dev,
2694 traffic_class, false);
2695 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2696 }
2697
2698 return ret;
2699 }
2700
ath6kl_wmi_set_ip_cmd(struct wmi * wmi,u8 if_idx,__be32 ips0,__be32 ips1)2701 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,
2702 __be32 ips0, __be32 ips1)
2703 {
2704 struct sk_buff *skb;
2705 struct wmi_set_ip_cmd *cmd;
2706 int ret;
2707
2708 /* Multicast address are not valid */
2709 if (ipv4_is_multicast(ips0) ||
2710 ipv4_is_multicast(ips1))
2711 return -EINVAL;
2712
2713 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2714 if (!skb)
2715 return -ENOMEM;
2716
2717 cmd = (struct wmi_set_ip_cmd *) skb->data;
2718 cmd->ips[0] = ips0;
2719 cmd->ips[1] = ips1;
2720
2721 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,
2722 NO_SYNC_WMIFLAG);
2723 return ret;
2724 }
2725
ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi * wmi)2726 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)
2727 {
2728 u16 active_tsids;
2729 u8 stream_exist;
2730 int i;
2731
2732 /*
2733 * Relinquish credits from all implicitly created pstreams
2734 * since when we go to sleep. If user created explicit
2735 * thinstreams exists with in a fatpipe leave them intact
2736 * for the user to delete.
2737 */
2738 spin_lock_bh(&wmi->lock);
2739 stream_exist = wmi->fat_pipe_exist;
2740 spin_unlock_bh(&wmi->lock);
2741
2742 for (i = 0; i < WMM_NUM_AC; i++) {
2743 if (stream_exist & (1 << i)) {
2744 /*
2745 * FIXME: Is this lock & unlock inside
2746 * for loop correct? may need rework.
2747 */
2748 spin_lock_bh(&wmi->lock);
2749 active_tsids = wmi->stream_exist_for_ac[i];
2750 spin_unlock_bh(&wmi->lock);
2751
2752 /*
2753 * If there are no user created thin streams
2754 * delete the fatpipe
2755 */
2756 if (!active_tsids) {
2757 stream_exist &= ~(1 << i);
2758 /*
2759 * Indicate inactivity to driver layer for
2760 * this fatpipe (pstream)
2761 */
2762 ath6kl_indicate_tx_activity(wmi->parent_dev,
2763 i, false);
2764 }
2765 }
2766 }
2767
2768 /* FIXME: Can we do this assignment without locking ? */
2769 spin_lock_bh(&wmi->lock);
2770 wmi->fat_pipe_exist = stream_exist;
2771 spin_unlock_bh(&wmi->lock);
2772 }
2773
ath6kl_set_bitrate_mask64(struct wmi * wmi,u8 if_idx,const struct cfg80211_bitrate_mask * mask)2774 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,
2775 const struct cfg80211_bitrate_mask *mask)
2776 {
2777 struct sk_buff *skb;
2778 int ret, mode, band;
2779 u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2780 struct wmi_set_tx_select_rates64_cmd *cmd;
2781
2782 memset(&ratemask, 0, sizeof(ratemask));
2783
2784 /* only check 2.4 and 5 GHz bands, skip the rest */
2785 for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2786 /* copy legacy rate mask */
2787 ratemask[band] = mask->control[band].legacy;
2788 if (band == NL80211_BAND_5GHZ)
2789 ratemask[band] =
2790 mask->control[band].legacy << 4;
2791
2792 /* copy mcs rate mask */
2793 mcsrate = mask->control[band].ht_mcs[1];
2794 mcsrate <<= 8;
2795 mcsrate |= mask->control[band].ht_mcs[0];
2796 ratemask[band] |= mcsrate << 12;
2797 ratemask[band] |= mcsrate << 28;
2798 }
2799
2800 ath6kl_dbg(ATH6KL_DBG_WMI,
2801 "Ratemask 64 bit: 2.4:%llx 5:%llx\n",
2802 ratemask[0], ratemask[1]);
2803
2804 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2805 if (!skb)
2806 return -ENOMEM;
2807
2808 cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;
2809 for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2810 /* A mode operate in 5GHZ band */
2811 if (mode == WMI_RATES_MODE_11A ||
2812 mode == WMI_RATES_MODE_11A_HT20 ||
2813 mode == WMI_RATES_MODE_11A_HT40)
2814 band = NL80211_BAND_5GHZ;
2815 else
2816 band = NL80211_BAND_2GHZ;
2817 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);
2818 }
2819
2820 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2821 WMI_SET_TX_SELECT_RATES_CMDID,
2822 NO_SYNC_WMIFLAG);
2823 return ret;
2824 }
2825
ath6kl_set_bitrate_mask32(struct wmi * wmi,u8 if_idx,const struct cfg80211_bitrate_mask * mask)2826 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,
2827 const struct cfg80211_bitrate_mask *mask)
2828 {
2829 struct sk_buff *skb;
2830 int ret, mode, band;
2831 u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];
2832 struct wmi_set_tx_select_rates32_cmd *cmd;
2833
2834 memset(&ratemask, 0, sizeof(ratemask));
2835
2836 /* only check 2.4 and 5 GHz bands, skip the rest */
2837 for (band = 0; band <= NL80211_BAND_5GHZ; band++) {
2838 /* copy legacy rate mask */
2839 ratemask[band] = mask->control[band].legacy;
2840 if (band == NL80211_BAND_5GHZ)
2841 ratemask[band] =
2842 mask->control[band].legacy << 4;
2843
2844 /* copy mcs rate mask */
2845 mcsrate = mask->control[band].ht_mcs[0];
2846 ratemask[band] |= mcsrate << 12;
2847 ratemask[band] |= mcsrate << 20;
2848 }
2849
2850 ath6kl_dbg(ATH6KL_DBG_WMI,
2851 "Ratemask 32 bit: 2.4:%x 5:%x\n",
2852 ratemask[0], ratemask[1]);
2853
2854 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);
2855 if (!skb)
2856 return -ENOMEM;
2857
2858 cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;
2859 for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {
2860 /* A mode operate in 5GHZ band */
2861 if (mode == WMI_RATES_MODE_11A ||
2862 mode == WMI_RATES_MODE_11A_HT20 ||
2863 mode == WMI_RATES_MODE_11A_HT40)
2864 band = NL80211_BAND_5GHZ;
2865 else
2866 band = NL80211_BAND_2GHZ;
2867 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);
2868 }
2869
2870 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2871 WMI_SET_TX_SELECT_RATES_CMDID,
2872 NO_SYNC_WMIFLAG);
2873 return ret;
2874 }
2875
ath6kl_wmi_set_bitrate_mask(struct wmi * wmi,u8 if_idx,const struct cfg80211_bitrate_mask * mask)2876 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,
2877 const struct cfg80211_bitrate_mask *mask)
2878 {
2879 struct ath6kl *ar = wmi->parent_dev;
2880
2881 if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
2882 ar->fw_capabilities))
2883 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);
2884 else
2885 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);
2886 }
2887
ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi * wmi,u8 if_idx,enum ath6kl_host_mode host_mode)2888 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,
2889 enum ath6kl_host_mode host_mode)
2890 {
2891 struct sk_buff *skb;
2892 struct wmi_set_host_sleep_mode_cmd *cmd;
2893 int ret;
2894
2895 if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&
2896 (host_mode != ATH6KL_HOST_MODE_AWAKE)) {
2897 ath6kl_err("invalid host sleep mode: %d\n", host_mode);
2898 return -EINVAL;
2899 }
2900
2901 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2902 if (!skb)
2903 return -ENOMEM;
2904
2905 cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;
2906
2907 if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {
2908 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);
2909 cmd->asleep = cpu_to_le32(1);
2910 } else {
2911 cmd->awake = cpu_to_le32(1);
2912 }
2913
2914 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
2915 WMI_SET_HOST_SLEEP_MODE_CMDID,
2916 NO_SYNC_WMIFLAG);
2917 return ret;
2918 }
2919
2920 /* This command has zero length payload */
ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi * wmi,struct ath6kl_vif * vif)2921 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
2922 struct ath6kl_vif *vif)
2923 {
2924 struct ath6kl *ar = wmi->parent_dev;
2925
2926 set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2927 wake_up(&ar->event_wq);
2928
2929 return 0;
2930 }
2931
ath6kl_wmi_set_wow_mode_cmd(struct wmi * wmi,u8 if_idx,enum ath6kl_wow_mode wow_mode,u32 filter,u16 host_req_delay)2932 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
2933 enum ath6kl_wow_mode wow_mode,
2934 u32 filter, u16 host_req_delay)
2935 {
2936 struct sk_buff *skb;
2937 struct wmi_set_wow_mode_cmd *cmd;
2938 int ret;
2939
2940 if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&
2941 wow_mode != ATH6KL_WOW_MODE_DISABLE) {
2942 ath6kl_err("invalid wow mode: %d\n", wow_mode);
2943 return -EINVAL;
2944 }
2945
2946 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2947 if (!skb)
2948 return -ENOMEM;
2949
2950 cmd = (struct wmi_set_wow_mode_cmd *) skb->data;
2951 cmd->enable_wow = cpu_to_le32(wow_mode);
2952 cmd->filter = cpu_to_le32(filter);
2953 cmd->host_req_delay = cpu_to_le16(host_req_delay);
2954
2955 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,
2956 NO_SYNC_WMIFLAG);
2957 return ret;
2958 }
2959
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)2960 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2961 u8 list_id, u8 filter_size,
2962 u8 filter_offset, const u8 *filter,
2963 const u8 *mask)
2964 {
2965 struct sk_buff *skb;
2966 struct wmi_add_wow_pattern_cmd *cmd;
2967 u16 size;
2968 u8 *filter_mask;
2969 int ret;
2970
2971 /*
2972 * Allocate additional memory in the buffer to hold
2973 * filter and mask value, which is twice of filter_size.
2974 */
2975 size = sizeof(*cmd) + (2 * filter_size);
2976
2977 skb = ath6kl_wmi_get_new_buf(size);
2978 if (!skb)
2979 return -ENOMEM;
2980
2981 cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;
2982 cmd->filter_list_id = list_id;
2983 cmd->filter_size = filter_size;
2984 cmd->filter_offset = filter_offset;
2985
2986 memcpy(cmd->filter, filter, filter_size);
2987
2988 filter_mask = (u8 *) (cmd->filter + filter_size);
2989 memcpy(filter_mask, mask, filter_size);
2990
2991 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,
2992 NO_SYNC_WMIFLAG);
2993
2994 return ret;
2995 }
2996
ath6kl_wmi_del_wow_pattern_cmd(struct wmi * wmi,u8 if_idx,u16 list_id,u16 filter_id)2997 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,
2998 u16 list_id, u16 filter_id)
2999 {
3000 struct sk_buff *skb;
3001 struct wmi_del_wow_pattern_cmd *cmd;
3002 int ret;
3003
3004 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3005 if (!skb)
3006 return -ENOMEM;
3007
3008 cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;
3009 cmd->filter_list_id = cpu_to_le16(list_id);
3010 cmd->filter_id = cpu_to_le16(filter_id);
3011
3012 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,
3013 NO_SYNC_WMIFLAG);
3014 return ret;
3015 }
3016
ath6kl_wmi_cmd_send_xtnd(struct wmi * wmi,struct sk_buff * skb,enum wmix_command_id cmd_id,enum wmi_sync_flag sync_flag)3017 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
3018 enum wmix_command_id cmd_id,
3019 enum wmi_sync_flag sync_flag)
3020 {
3021 struct wmix_cmd_hdr *cmd_hdr;
3022 int ret;
3023
3024 skb_push(skb, sizeof(struct wmix_cmd_hdr));
3025
3026 cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
3027 cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
3028
3029 ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);
3030
3031 return ret;
3032 }
3033
ath6kl_wmi_get_challenge_resp_cmd(struct wmi * wmi,u32 cookie,u32 source)3034 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
3035 {
3036 struct sk_buff *skb;
3037 struct wmix_hb_challenge_resp_cmd *cmd;
3038 int ret;
3039
3040 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3041 if (!skb)
3042 return -ENOMEM;
3043
3044 cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
3045 cmd->cookie = cpu_to_le32(cookie);
3046 cmd->source = cpu_to_le32(source);
3047
3048 ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
3049 NO_SYNC_WMIFLAG);
3050 return ret;
3051 }
3052
ath6kl_wmi_config_debug_module_cmd(struct wmi * wmi,u32 valid,u32 config)3053 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)
3054 {
3055 struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;
3056 struct sk_buff *skb;
3057 int ret;
3058
3059 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3060 if (!skb)
3061 return -ENOMEM;
3062
3063 cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;
3064 cmd->valid = cpu_to_le32(valid);
3065 cmd->config = cpu_to_le32(config);
3066
3067 ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,
3068 NO_SYNC_WMIFLAG);
3069 return ret;
3070 }
3071
ath6kl_wmi_get_stats_cmd(struct wmi * wmi,u8 if_idx)3072 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)
3073 {
3074 return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);
3075 }
3076
ath6kl_wmi_set_tx_pwr_cmd(struct wmi * wmi,u8 if_idx,u8 dbM)3077 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)
3078 {
3079 struct sk_buff *skb;
3080 struct wmi_set_tx_pwr_cmd *cmd;
3081 int ret;
3082
3083 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
3084 if (!skb)
3085 return -ENOMEM;
3086
3087 cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
3088 cmd->dbM = dbM;
3089
3090 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,
3091 NO_SYNC_WMIFLAG);
3092
3093 return ret;
3094 }
3095
ath6kl_wmi_get_tx_pwr_cmd(struct wmi * wmi,u8 if_idx)3096 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)
3097 {
3098 return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);
3099 }
3100
ath6kl_wmi_get_roam_tbl_cmd(struct wmi * wmi)3101 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)
3102 {
3103 return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);
3104 }
3105
ath6kl_wmi_set_lpreamble_cmd(struct wmi * wmi,u8 if_idx,u8 status,u8 preamble_policy)3106 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,
3107 u8 preamble_policy)
3108 {
3109 struct sk_buff *skb;
3110 struct wmi_set_lpreamble_cmd *cmd;
3111 int ret;
3112
3113 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
3114 if (!skb)
3115 return -ENOMEM;
3116
3117 cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
3118 cmd->status = status;
3119 cmd->preamble_policy = preamble_policy;
3120
3121 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,
3122 NO_SYNC_WMIFLAG);
3123 return ret;
3124 }
3125
ath6kl_wmi_set_rts_cmd(struct wmi * wmi,u16 threshold)3126 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
3127 {
3128 struct sk_buff *skb;
3129 struct wmi_set_rts_cmd *cmd;
3130 int ret;
3131
3132 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
3133 if (!skb)
3134 return -ENOMEM;
3135
3136 cmd = (struct wmi_set_rts_cmd *) skb->data;
3137 cmd->threshold = cpu_to_le16(threshold);
3138
3139 ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,
3140 NO_SYNC_WMIFLAG);
3141 return ret;
3142 }
3143
ath6kl_wmi_set_wmm_txop(struct wmi * wmi,u8 if_idx,enum wmi_txop_cfg cfg)3144 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)
3145 {
3146 struct sk_buff *skb;
3147 struct wmi_set_wmm_txop_cmd *cmd;
3148 int ret;
3149
3150 if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
3151 return -EINVAL;
3152
3153 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
3154 if (!skb)
3155 return -ENOMEM;
3156
3157 cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
3158 cmd->txop_enable = cfg;
3159
3160 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,
3161 NO_SYNC_WMIFLAG);
3162 return ret;
3163 }
3164
ath6kl_wmi_set_keepalive_cmd(struct wmi * wmi,u8 if_idx,u8 keep_alive_intvl)3165 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,
3166 u8 keep_alive_intvl)
3167 {
3168 struct sk_buff *skb;
3169 struct wmi_set_keepalive_cmd *cmd;
3170 int ret;
3171
3172 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3173 if (!skb)
3174 return -ENOMEM;
3175
3176 cmd = (struct wmi_set_keepalive_cmd *) skb->data;
3177 cmd->keep_alive_intvl = keep_alive_intvl;
3178
3179 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,
3180 NO_SYNC_WMIFLAG);
3181
3182 if (ret == 0)
3183 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);
3184
3185 return ret;
3186 }
3187
ath6kl_wmi_set_htcap_cmd(struct wmi * wmi,u8 if_idx,enum nl80211_band band,struct ath6kl_htcap * htcap)3188 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,
3189 enum nl80211_band band,
3190 struct ath6kl_htcap *htcap)
3191 {
3192 struct sk_buff *skb;
3193 struct wmi_set_htcap_cmd *cmd;
3194
3195 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3196 if (!skb)
3197 return -ENOMEM;
3198
3199 cmd = (struct wmi_set_htcap_cmd *) skb->data;
3200
3201 /*
3202 * NOTE: Band in firmware matches enum nl80211_band, it is unlikely
3203 * this will be changed in firmware. If at all there is any change in
3204 * band value, the host needs to be fixed.
3205 */
3206 cmd->band = band;
3207 cmd->ht_enable = !!htcap->ht_enable;
3208 cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);
3209 cmd->ht40_supported =
3210 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
3211 cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);
3212 cmd->intolerant_40mhz =
3213 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);
3214 cmd->max_ampdu_len_exp = htcap->ampdu_factor;
3215
3216 ath6kl_dbg(ATH6KL_DBG_WMI,
3217 "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",
3218 cmd->band, cmd->ht_enable, cmd->ht40_supported,
3219 cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,
3220 cmd->max_ampdu_len_exp);
3221 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,
3222 NO_SYNC_WMIFLAG);
3223 }
3224
ath6kl_wmi_test_cmd(struct wmi * wmi,void * buf,size_t len)3225 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)
3226 {
3227 struct sk_buff *skb;
3228 int ret;
3229
3230 skb = ath6kl_wmi_get_new_buf(len);
3231 if (!skb)
3232 return -ENOMEM;
3233
3234 memcpy(skb->data, buf, len);
3235
3236 ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);
3237
3238 return ret;
3239 }
3240
ath6kl_wmi_mcast_filter_cmd(struct wmi * wmi,u8 if_idx,bool mc_all_on)3241 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)
3242 {
3243 struct sk_buff *skb;
3244 struct wmi_mcast_filter_cmd *cmd;
3245 int ret;
3246
3247 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3248 if (!skb)
3249 return -ENOMEM;
3250
3251 cmd = (struct wmi_mcast_filter_cmd *) skb->data;
3252 cmd->mcast_all_enable = mc_all_on;
3253
3254 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,
3255 NO_SYNC_WMIFLAG);
3256 return ret;
3257 }
3258
ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi * wmi,u8 if_idx,u8 * filter,bool add_filter)3259 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,
3260 u8 *filter, bool add_filter)
3261 {
3262 struct sk_buff *skb;
3263 struct wmi_mcast_filter_add_del_cmd *cmd;
3264 int ret;
3265
3266 if ((filter[0] != 0x33 || filter[1] != 0x33) &&
3267 (filter[0] != 0x01 || filter[1] != 0x00 ||
3268 filter[2] != 0x5e || filter[3] > 0x7f)) {
3269 ath6kl_warn("invalid multicast filter address\n");
3270 return -EINVAL;
3271 }
3272
3273 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3274 if (!skb)
3275 return -ENOMEM;
3276
3277 cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;
3278 memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);
3279 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3280 add_filter ? WMI_SET_MCAST_FILTER_CMDID :
3281 WMI_DEL_MCAST_FILTER_CMDID,
3282 NO_SYNC_WMIFLAG);
3283
3284 return ret;
3285 }
3286
ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi * wmi,u8 if_idx,bool enhance)3287 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)
3288 {
3289 struct sk_buff *skb;
3290 struct wmi_sta_bmiss_enhance_cmd *cmd;
3291 int ret;
3292
3293 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3294 if (!skb)
3295 return -ENOMEM;
3296
3297 cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;
3298 cmd->enable = enhance ? 1 : 0;
3299
3300 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3301 WMI_STA_BMISS_ENHANCE_CMDID,
3302 NO_SYNC_WMIFLAG);
3303 return ret;
3304 }
3305
ath6kl_wmi_set_regdomain_cmd(struct wmi * wmi,const char * alpha2)3306 int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)
3307 {
3308 struct sk_buff *skb;
3309 struct wmi_set_regdomain_cmd *cmd;
3310
3311 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3312 if (!skb)
3313 return -ENOMEM;
3314
3315 cmd = (struct wmi_set_regdomain_cmd *) skb->data;
3316 memcpy(cmd->iso_name, alpha2, 2);
3317
3318 return ath6kl_wmi_cmd_send(wmi, 0, skb,
3319 WMI_SET_REGDOMAIN_CMDID,
3320 NO_SYNC_WMIFLAG);
3321 }
3322
ath6kl_wmi_get_rate(struct wmi * wmi,s8 rate_index)3323 s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)
3324 {
3325 struct ath6kl *ar = wmi->parent_dev;
3326 u8 sgi = 0;
3327 s32 ret;
3328
3329 if (rate_index == RATE_AUTO)
3330 return 0;
3331
3332 /* SGI is stored as the MSB of the rate_index */
3333 if (rate_index & RATE_INDEX_MSB) {
3334 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;
3335 sgi = 1;
3336 }
3337
3338 if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
3339 ar->fw_capabilities)) {
3340 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))
3341 return 0;
3342
3343 ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];
3344 } else {
3345 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))
3346 return 0;
3347
3348 ret = wmi_rate_tbl[(u32) rate_index][sgi];
3349 }
3350
3351 return ret;
3352 }
3353
ath6kl_wmi_get_pmkid_list_event_rx(struct wmi * wmi,u8 * datap,u32 len)3354 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
3355 u32 len)
3356 {
3357 struct wmi_pmkid_list_reply *reply;
3358 u32 expected_len;
3359
3360 if (len < sizeof(struct wmi_pmkid_list_reply))
3361 return -EINVAL;
3362
3363 reply = (struct wmi_pmkid_list_reply *)datap;
3364 expected_len = sizeof(reply->num_pmkid) +
3365 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
3366
3367 if (len < expected_len)
3368 return -EINVAL;
3369
3370 return 0;
3371 }
3372
ath6kl_wmi_addba_req_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)3373 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3374 struct ath6kl_vif *vif)
3375 {
3376 struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
3377
3378 aggr_recv_addba_req_evt(vif, cmd->tid,
3379 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
3380
3381 return 0;
3382 }
3383
ath6kl_wmi_delba_req_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)3384 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,
3385 struct ath6kl_vif *vif)
3386 {
3387 struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
3388
3389 aggr_recv_delba_req_evt(vif, cmd->tid);
3390
3391 return 0;
3392 }
3393
3394 /* AP mode functions */
3395
ath6kl_wmi_ap_profile_commit(struct wmi * wmip,u8 if_idx,struct wmi_connect_cmd * p)3396 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,
3397 struct wmi_connect_cmd *p)
3398 {
3399 struct sk_buff *skb;
3400 struct wmi_connect_cmd *cm;
3401 int res;
3402
3403 skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3404 if (!skb)
3405 return -ENOMEM;
3406
3407 cm = (struct wmi_connect_cmd *) skb->data;
3408 memcpy(cm, p, sizeof(*cm));
3409
3410 res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,
3411 NO_SYNC_WMIFLAG);
3412 ath6kl_dbg(ATH6KL_DBG_WMI,
3413 "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",
3414 __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
3415 le32_to_cpu(p->ctrl_flags), res);
3416 return res;
3417 }
3418
ath6kl_wmi_ap_set_mlme(struct wmi * wmip,u8 if_idx,u8 cmd,const u8 * mac,u16 reason)3419 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,
3420 u16 reason)
3421 {
3422 struct sk_buff *skb;
3423 struct wmi_ap_set_mlme_cmd *cm;
3424
3425 skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
3426 if (!skb)
3427 return -ENOMEM;
3428
3429 cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
3430 memcpy(cm->mac, mac, ETH_ALEN);
3431 cm->reason = cpu_to_le16(reason);
3432 cm->cmd = cmd;
3433
3434 ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,
3435 cm->reason);
3436
3437 return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,
3438 NO_SYNC_WMIFLAG);
3439 }
3440
ath6kl_wmi_ap_hidden_ssid(struct wmi * wmi,u8 if_idx,bool enable)3441 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)
3442 {
3443 struct sk_buff *skb;
3444 struct wmi_ap_hidden_ssid_cmd *cmd;
3445
3446 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3447 if (!skb)
3448 return -ENOMEM;
3449
3450 cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;
3451 cmd->hidden_ssid = enable ? 1 : 0;
3452
3453 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,
3454 NO_SYNC_WMIFLAG);
3455 }
3456
3457 /* This command will be used to enable/disable AP uAPSD feature */
ath6kl_wmi_ap_set_apsd(struct wmi * wmi,u8 if_idx,u8 enable)3458 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)
3459 {
3460 struct wmi_ap_set_apsd_cmd *cmd;
3461 struct sk_buff *skb;
3462
3463 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3464 if (!skb)
3465 return -ENOMEM;
3466
3467 cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;
3468 cmd->enable = enable;
3469
3470 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,
3471 NO_SYNC_WMIFLAG);
3472 }
3473
ath6kl_wmi_set_apsd_bfrd_traf(struct wmi * wmi,u8 if_idx,u16 aid,u16 bitmap,u32 flags)3474 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,
3475 u16 aid, u16 bitmap, u32 flags)
3476 {
3477 struct wmi_ap_apsd_buffered_traffic_cmd *cmd;
3478 struct sk_buff *skb;
3479
3480 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3481 if (!skb)
3482 return -ENOMEM;
3483
3484 cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;
3485 cmd->aid = cpu_to_le16(aid);
3486 cmd->bitmap = cpu_to_le16(bitmap);
3487 cmd->flags = cpu_to_le32(flags);
3488
3489 return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3490 WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,
3491 NO_SYNC_WMIFLAG);
3492 }
3493
ath6kl_wmi_pspoll_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)3494 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,
3495 struct ath6kl_vif *vif)
3496 {
3497 struct wmi_pspoll_event *ev;
3498
3499 if (len < sizeof(struct wmi_pspoll_event))
3500 return -EINVAL;
3501
3502 ev = (struct wmi_pspoll_event *) datap;
3503
3504 ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));
3505
3506 return 0;
3507 }
3508
ath6kl_wmi_dtimexpiry_event_rx(struct wmi * wmi,u8 * datap,int len,struct ath6kl_vif * vif)3509 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,
3510 struct ath6kl_vif *vif)
3511 {
3512 ath6kl_dtimexpiry_event(vif);
3513
3514 return 0;
3515 }
3516
ath6kl_wmi_set_pvb_cmd(struct wmi * wmi,u8 if_idx,u16 aid,bool flag)3517 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,
3518 bool flag)
3519 {
3520 struct sk_buff *skb;
3521 struct wmi_ap_set_pvb_cmd *cmd;
3522 int ret;
3523
3524 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
3525 if (!skb)
3526 return -ENOMEM;
3527
3528 cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
3529 cmd->aid = cpu_to_le16(aid);
3530 cmd->rsvd = cpu_to_le16(0);
3531 cmd->flag = cpu_to_le32(flag);
3532
3533 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,
3534 NO_SYNC_WMIFLAG);
3535
3536 return ret;
3537 }
3538
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)3539 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,
3540 u8 rx_meta_ver,
3541 bool rx_dot11_hdr, bool defrag_on_host)
3542 {
3543 struct sk_buff *skb;
3544 struct wmi_rx_frame_format_cmd *cmd;
3545 int ret;
3546
3547 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3548 if (!skb)
3549 return -ENOMEM;
3550
3551 cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
3552 cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
3553 cmd->defrag_on_host = defrag_on_host ? 1 : 0;
3554 cmd->meta_ver = rx_meta_ver;
3555
3556 /* Delete the local aggr state, on host */
3557 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,
3558 NO_SYNC_WMIFLAG);
3559
3560 return ret;
3561 }
3562
ath6kl_wmi_set_appie_cmd(struct wmi * wmi,u8 if_idx,u8 mgmt_frm_type,const u8 * ie,u8 ie_len)3563 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,
3564 const u8 *ie, u8 ie_len)
3565 {
3566 struct sk_buff *skb;
3567 struct wmi_set_appie_cmd *p;
3568
3569 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3570 if (!skb)
3571 return -ENOMEM;
3572
3573 ath6kl_dbg(ATH6KL_DBG_WMI,
3574 "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",
3575 mgmt_frm_type, ie_len);
3576 p = (struct wmi_set_appie_cmd *) skb->data;
3577 p->mgmt_frm_type = mgmt_frm_type;
3578 p->ie_len = ie_len;
3579
3580 if (ie != NULL && ie_len > 0)
3581 memcpy(p->ie_info, ie, ie_len);
3582
3583 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,
3584 NO_SYNC_WMIFLAG);
3585 }
3586
ath6kl_wmi_set_ie_cmd(struct wmi * wmi,u8 if_idx,u8 ie_id,u8 ie_field,const u8 * ie_info,u8 ie_len)3587 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,
3588 const u8 *ie_info, u8 ie_len)
3589 {
3590 struct sk_buff *skb;
3591 struct wmi_set_ie_cmd *p;
3592
3593 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
3594 if (!skb)
3595 return -ENOMEM;
3596
3597 ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",
3598 ie_id, ie_field, ie_len);
3599 p = (struct wmi_set_ie_cmd *) skb->data;
3600 p->ie_id = ie_id;
3601 p->ie_field = ie_field;
3602 p->ie_len = ie_len;
3603 if (ie_info && ie_len > 0)
3604 memcpy(p->ie_info, ie_info, ie_len);
3605
3606 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,
3607 NO_SYNC_WMIFLAG);
3608 }
3609
ath6kl_wmi_disable_11b_rates_cmd(struct wmi * wmi,bool disable)3610 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)
3611 {
3612 struct sk_buff *skb;
3613 struct wmi_disable_11b_rates_cmd *cmd;
3614
3615 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3616 if (!skb)
3617 return -ENOMEM;
3618
3619 ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",
3620 disable);
3621 cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;
3622 cmd->disable = disable ? 1 : 0;
3623
3624 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,
3625 NO_SYNC_WMIFLAG);
3626 }
3627
ath6kl_wmi_remain_on_chnl_cmd(struct wmi * wmi,u8 if_idx,u32 freq,u32 dur)3628 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)
3629 {
3630 struct sk_buff *skb;
3631 struct wmi_remain_on_chnl_cmd *p;
3632
3633 skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3634 if (!skb)
3635 return -ENOMEM;
3636
3637 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",
3638 freq, dur);
3639 p = (struct wmi_remain_on_chnl_cmd *) skb->data;
3640 p->freq = cpu_to_le32(freq);
3641 p->duration = cpu_to_le32(dur);
3642 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,
3643 NO_SYNC_WMIFLAG);
3644 }
3645
3646 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use
3647 * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P
3648 * mgmt operations using station interface.
3649 */
ath6kl_wmi_send_action_cmd(struct wmi * wmi,u8 if_idx,u32 id,u32 freq,u32 wait,const u8 * data,u16 data_len)3650 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3651 u32 freq, u32 wait, const u8 *data,
3652 u16 data_len)
3653 {
3654 struct sk_buff *skb;
3655 struct wmi_send_action_cmd *p;
3656 u8 *buf;
3657
3658 if (wait)
3659 return -EINVAL; /* Offload for wait not supported */
3660
3661 buf = kmalloc(data_len, GFP_KERNEL);
3662 if (!buf)
3663 return -ENOMEM;
3664
3665 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3666 if (!skb) {
3667 kfree(buf);
3668 return -ENOMEM;
3669 }
3670
3671 kfree(wmi->last_mgmt_tx_frame);
3672 memcpy(buf, data, data_len);
3673 wmi->last_mgmt_tx_frame = buf;
3674 wmi->last_mgmt_tx_frame_len = data_len;
3675
3676 ath6kl_dbg(ATH6KL_DBG_WMI,
3677 "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3678 id, freq, wait, data_len);
3679 p = (struct wmi_send_action_cmd *) skb->data;
3680 p->id = cpu_to_le32(id);
3681 p->freq = cpu_to_le32(freq);
3682 p->wait = cpu_to_le32(wait);
3683 p->len = cpu_to_le16(data_len);
3684 memcpy(p->data, data, data_len);
3685 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,
3686 NO_SYNC_WMIFLAG);
3687 }
3688
__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)3689 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,
3690 u32 freq, u32 wait, const u8 *data,
3691 u16 data_len, u32 no_cck)
3692 {
3693 struct sk_buff *skb;
3694 struct wmi_send_mgmt_cmd *p;
3695 u8 *buf;
3696
3697 if (wait)
3698 return -EINVAL; /* Offload for wait not supported */
3699
3700 buf = kmalloc(data_len, GFP_KERNEL);
3701 if (!buf)
3702 return -ENOMEM;
3703
3704 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);
3705 if (!skb) {
3706 kfree(buf);
3707 return -ENOMEM;
3708 }
3709
3710 kfree(wmi->last_mgmt_tx_frame);
3711 memcpy(buf, data, data_len);
3712 wmi->last_mgmt_tx_frame = buf;
3713 wmi->last_mgmt_tx_frame_len = data_len;
3714
3715 ath6kl_dbg(ATH6KL_DBG_WMI,
3716 "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",
3717 id, freq, wait, data_len);
3718 p = (struct wmi_send_mgmt_cmd *) skb->data;
3719 p->id = cpu_to_le32(id);
3720 p->freq = cpu_to_le32(freq);
3721 p->wait = cpu_to_le32(wait);
3722 p->no_cck = cpu_to_le32(no_cck);
3723 p->len = cpu_to_le16(data_len);
3724 memcpy(p->data, data, data_len);
3725 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,
3726 NO_SYNC_WMIFLAG);
3727 }
3728
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)3729 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,
3730 u32 wait, const u8 *data, u16 data_len,
3731 u32 no_cck)
3732 {
3733 int status;
3734 struct ath6kl *ar = wmi->parent_dev;
3735
3736 if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
3737 ar->fw_capabilities)) {
3738 /*
3739 * If capable of doing P2P mgmt operations using
3740 * station interface, send additional information like
3741 * supported rates to advertise and xmit rates for
3742 * probe requests
3743 */
3744 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,
3745 wait, data, data_len,
3746 no_cck);
3747 } else {
3748 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,
3749 wait, data, data_len);
3750 }
3751
3752 return status;
3753 }
3754
ath6kl_wmi_send_probe_response_cmd(struct wmi * wmi,u8 if_idx,u32 freq,const u8 * dst,const u8 * data,u16 data_len)3755 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,
3756 const u8 *dst, const u8 *data,
3757 u16 data_len)
3758 {
3759 struct sk_buff *skb;
3760 struct wmi_p2p_probe_response_cmd *p;
3761 size_t cmd_len = sizeof(*p) + data_len;
3762
3763 if (data_len == 0)
3764 cmd_len++; /* work around target minimum length requirement */
3765
3766 skb = ath6kl_wmi_get_new_buf(cmd_len);
3767 if (!skb)
3768 return -ENOMEM;
3769
3770 ath6kl_dbg(ATH6KL_DBG_WMI,
3771 "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",
3772 freq, dst, data_len);
3773 p = (struct wmi_p2p_probe_response_cmd *) skb->data;
3774 p->freq = cpu_to_le32(freq);
3775 memcpy(p->destination_addr, dst, ETH_ALEN);
3776 p->len = cpu_to_le16(data_len);
3777 memcpy(p->data, data, data_len);
3778 return ath6kl_wmi_cmd_send(wmi, if_idx, skb,
3779 WMI_SEND_PROBE_RESPONSE_CMDID,
3780 NO_SYNC_WMIFLAG);
3781 }
3782
ath6kl_wmi_probe_report_req_cmd(struct wmi * wmi,u8 if_idx,bool enable)3783 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)
3784 {
3785 struct sk_buff *skb;
3786 struct wmi_probe_req_report_cmd *p;
3787
3788 skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3789 if (!skb)
3790 return -ENOMEM;
3791
3792 ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",
3793 enable);
3794 p = (struct wmi_probe_req_report_cmd *) skb->data;
3795 p->enable = enable ? 1 : 0;
3796 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,
3797 NO_SYNC_WMIFLAG);
3798 }
3799
ath6kl_wmi_info_req_cmd(struct wmi * wmi,u8 if_idx,u32 info_req_flags)3800 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)
3801 {
3802 struct sk_buff *skb;
3803 struct wmi_get_p2p_info *p;
3804
3805 skb = ath6kl_wmi_get_new_buf(sizeof(*p));
3806 if (!skb)
3807 return -ENOMEM;
3808
3809 ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",
3810 info_req_flags);
3811 p = (struct wmi_get_p2p_info *) skb->data;
3812 p->info_req_flags = cpu_to_le32(info_req_flags);
3813 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,
3814 NO_SYNC_WMIFLAG);
3815 }
3816
ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi * wmi,u8 if_idx)3817 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)
3818 {
3819 ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");
3820 return ath6kl_wmi_simple_cmd(wmi, if_idx,
3821 WMI_CANCEL_REMAIN_ON_CHNL_CMDID);
3822 }
3823
ath6kl_wmi_set_inact_period(struct wmi * wmi,u8 if_idx,int inact_timeout)3824 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)
3825 {
3826 struct sk_buff *skb;
3827 struct wmi_set_inact_period_cmd *cmd;
3828
3829 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
3830 if (!skb)
3831 return -ENOMEM;
3832
3833 cmd = (struct wmi_set_inact_period_cmd *) skb->data;
3834 cmd->inact_period = cpu_to_le32(inact_timeout);
3835 cmd->num_null_func = 0;
3836
3837 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,
3838 NO_SYNC_WMIFLAG);
3839 }
3840
ath6kl_wmi_hb_challenge_resp_event(struct wmi * wmi,u8 * datap,int len)3841 static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,
3842 int len)
3843 {
3844 struct wmix_hb_challenge_resp_cmd *cmd;
3845
3846 if (len < sizeof(struct wmix_hb_challenge_resp_cmd))
3847 return;
3848
3849 cmd = (struct wmix_hb_challenge_resp_cmd *) datap;
3850 ath6kl_recovery_hb_event(wmi->parent_dev,
3851 le32_to_cpu(cmd->cookie));
3852 }
3853
ath6kl_wmi_control_rx_xtnd(struct wmi * wmi,struct sk_buff * skb)3854 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
3855 {
3856 struct wmix_cmd_hdr *cmd;
3857 u32 len;
3858 u16 id;
3859 u8 *datap;
3860 int ret = 0;
3861
3862 if (skb->len < sizeof(struct wmix_cmd_hdr)) {
3863 ath6kl_err("bad packet 1\n");
3864 return -EINVAL;
3865 }
3866
3867 cmd = (struct wmix_cmd_hdr *) skb->data;
3868 id = le32_to_cpu(cmd->cmd_id);
3869
3870 skb_pull(skb, sizeof(struct wmix_cmd_hdr));
3871
3872 datap = skb->data;
3873 len = skb->len;
3874
3875 switch (id) {
3876 case WMIX_HB_CHALLENGE_RESP_EVENTID:
3877 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");
3878 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);
3879 break;
3880 case WMIX_DBGLOG_EVENTID:
3881 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);
3882 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);
3883 break;
3884 default:
3885 ath6kl_warn("unknown cmd id 0x%x\n", id);
3886 ret = -EINVAL;
3887 break;
3888 }
3889
3890 return ret;
3891 }
3892
ath6kl_wmi_roam_tbl_event_rx(struct wmi * wmi,u8 * datap,int len)3893 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)
3894 {
3895 return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);
3896 }
3897
3898 /* 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)3899 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,
3900 u8 *datap, u32 len)
3901 {
3902 struct ath6kl_vif *vif;
3903
3904 vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);
3905 if (!vif) {
3906 ath6kl_dbg(ATH6KL_DBG_WMI,
3907 "Wmi event for unavailable vif, vif_index:%d\n",
3908 if_idx);
3909 return -EINVAL;
3910 }
3911
3912 switch (cmd_id) {
3913 case WMI_CONNECT_EVENTID:
3914 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
3915 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);
3916 case WMI_DISCONNECT_EVENTID:
3917 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
3918 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);
3919 case WMI_TKIP_MICERR_EVENTID:
3920 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
3921 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);
3922 case WMI_BSSINFO_EVENTID:
3923 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
3924 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);
3925 case WMI_NEIGHBOR_REPORT_EVENTID:
3926 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
3927 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,
3928 vif);
3929 case WMI_SCAN_COMPLETE_EVENTID:
3930 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
3931 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);
3932 case WMI_REPORT_STATISTICS_EVENTID:
3933 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
3934 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);
3935 case WMI_CAC_EVENTID:
3936 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
3937 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);
3938 case WMI_PSPOLL_EVENTID:
3939 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
3940 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);
3941 case WMI_DTIMEXPIRY_EVENTID:
3942 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
3943 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);
3944 case WMI_ADDBA_REQ_EVENTID:
3945 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
3946 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);
3947 case WMI_DELBA_REQ_EVENTID:
3948 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
3949 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);
3950 case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
3951 ath6kl_dbg(ATH6KL_DBG_WMI,
3952 "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
3953 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
3954 case WMI_REMAIN_ON_CHNL_EVENTID:
3955 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
3956 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);
3957 case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:
3958 ath6kl_dbg(ATH6KL_DBG_WMI,
3959 "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");
3960 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,
3961 len, vif);
3962 case WMI_TX_STATUS_EVENTID:
3963 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");
3964 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);
3965 case WMI_RX_PROBE_REQ_EVENTID:
3966 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");
3967 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);
3968 case WMI_RX_ACTION_EVENTID:
3969 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");
3970 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);
3971 case WMI_TXE_NOTIFY_EVENTID:
3972 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");
3973 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);
3974 default:
3975 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);
3976 return -EINVAL;
3977 }
3978
3979 return 0;
3980 }
3981
ath6kl_wmi_proc_events(struct wmi * wmi,struct sk_buff * skb)3982 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)
3983 {
3984 struct wmi_cmd_hdr *cmd;
3985 int ret = 0;
3986 u32 len;
3987 u16 id;
3988 u8 if_idx;
3989 u8 *datap;
3990
3991 cmd = (struct wmi_cmd_hdr *) skb->data;
3992 id = le16_to_cpu(cmd->cmd_id);
3993 if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;
3994
3995 skb_pull(skb, sizeof(struct wmi_cmd_hdr));
3996 datap = skb->data;
3997 len = skb->len;
3998
3999 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);
4000 ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",
4001 datap, len);
4002
4003 switch (id) {
4004 case WMI_GET_BITRATE_CMDID:
4005 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
4006 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
4007 break;
4008 case WMI_GET_CHANNEL_LIST_CMDID:
4009 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
4010 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
4011 break;
4012 case WMI_GET_TX_PWR_CMDID:
4013 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
4014 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
4015 break;
4016 case WMI_READY_EVENTID:
4017 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
4018 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
4019 break;
4020 case WMI_PEER_NODE_EVENTID:
4021 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
4022 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
4023 break;
4024 case WMI_REGDOMAIN_EVENTID:
4025 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
4026 ath6kl_wmi_regdomain_event(wmi, datap, len);
4027 break;
4028 case WMI_PSTREAM_TIMEOUT_EVENTID:
4029 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
4030 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
4031 break;
4032 case WMI_CMDERROR_EVENTID:
4033 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
4034 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
4035 break;
4036 case WMI_RSSI_THRESHOLD_EVENTID:
4037 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
4038 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
4039 break;
4040 case WMI_ERROR_REPORT_EVENTID:
4041 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
4042 break;
4043 case WMI_OPT_RX_FRAME_EVENTID:
4044 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
4045 /* this event has been deprecated */
4046 break;
4047 case WMI_REPORT_ROAM_TBL_EVENTID:
4048 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
4049 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);
4050 break;
4051 case WMI_EXTENSION_EVENTID:
4052 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
4053 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
4054 break;
4055 case WMI_CHANNEL_CHANGE_EVENTID:
4056 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
4057 break;
4058 case WMI_REPORT_ROAM_DATA_EVENTID:
4059 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
4060 break;
4061 case WMI_TEST_EVENTID:
4062 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");
4063 ret = ath6kl_wmi_test_rx(wmi, datap, len);
4064 break;
4065 case WMI_GET_FIXRATES_CMDID:
4066 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
4067 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
4068 break;
4069 case WMI_TX_RETRY_ERR_EVENTID:
4070 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
4071 break;
4072 case WMI_SNR_THRESHOLD_EVENTID:
4073 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
4074 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
4075 break;
4076 case WMI_LQ_THRESHOLD_EVENTID:
4077 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
4078 break;
4079 case WMI_APLIST_EVENTID:
4080 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
4081 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
4082 break;
4083 case WMI_GET_KEEPALIVE_CMDID:
4084 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
4085 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
4086 break;
4087 case WMI_GET_WOW_LIST_EVENTID:
4088 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
4089 break;
4090 case WMI_GET_PMKID_LIST_EVENTID:
4091 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
4092 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
4093 break;
4094 case WMI_SET_PARAMS_REPLY_EVENTID:
4095 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
4096 break;
4097 case WMI_ADDBA_RESP_EVENTID:
4098 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
4099 break;
4100 case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
4101 ath6kl_dbg(ATH6KL_DBG_WMI,
4102 "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
4103 break;
4104 case WMI_REPORT_BTCOEX_STATS_EVENTID:
4105 ath6kl_dbg(ATH6KL_DBG_WMI,
4106 "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
4107 break;
4108 case WMI_TX_COMPLETE_EVENTID:
4109 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
4110 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
4111 break;
4112 case WMI_P2P_CAPABILITIES_EVENTID:
4113 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");
4114 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);
4115 break;
4116 case WMI_P2P_INFO_EVENTID:
4117 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");
4118 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);
4119 break;
4120 default:
4121 /* may be the event is interface specific */
4122 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);
4123 break;
4124 }
4125
4126 dev_kfree_skb(skb);
4127 return ret;
4128 }
4129
4130 /* Control Path */
ath6kl_wmi_control_rx(struct wmi * wmi,struct sk_buff * skb)4131 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
4132 {
4133 if (WARN_ON(skb == NULL))
4134 return -EINVAL;
4135
4136 if (skb->len < sizeof(struct wmi_cmd_hdr)) {
4137 ath6kl_err("bad packet 1\n");
4138 dev_kfree_skb(skb);
4139 return -EINVAL;
4140 }
4141
4142 trace_ath6kl_wmi_event(skb->data, skb->len);
4143
4144 return ath6kl_wmi_proc_events(wmi, skb);
4145 }
4146
ath6kl_wmi_reset(struct wmi * wmi)4147 void ath6kl_wmi_reset(struct wmi *wmi)
4148 {
4149 spin_lock_bh(&wmi->lock);
4150
4151 wmi->fat_pipe_exist = 0;
4152 memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
4153
4154 spin_unlock_bh(&wmi->lock);
4155 }
4156
ath6kl_wmi_init(struct ath6kl * dev)4157 void *ath6kl_wmi_init(struct ath6kl *dev)
4158 {
4159 struct wmi *wmi;
4160
4161 wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
4162 if (!wmi)
4163 return NULL;
4164
4165 spin_lock_init(&wmi->lock);
4166
4167 wmi->parent_dev = dev;
4168
4169 wmi->pwr_mode = REC_POWER;
4170
4171 ath6kl_wmi_reset(wmi);
4172
4173 return wmi;
4174 }
4175
ath6kl_wmi_shutdown(struct wmi * wmi)4176 void ath6kl_wmi_shutdown(struct wmi *wmi)
4177 {
4178 if (!wmi)
4179 return;
4180
4181 kfree(wmi->last_mgmt_tx_frame);
4182 kfree(wmi);
4183 }
4184