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1a3991ce8cfa5104cef72fdcddc99ca9766351af
[deliverable/linux.git] / drivers / net / wireless / ath / ath6kl / wmi.c
1 /*
2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include <linux/ip.h>
18 #include "core.h"
19 #include "debug.h"
20
21 static int ath6kl_wmi_sync_point(struct wmi *wmi);
22
23 static const s32 wmi_rate_tbl[][2] = {
24 /* {W/O SGI, with SGI} */
25 {1000, 1000},
26 {2000, 2000},
27 {5500, 5500},
28 {11000, 11000},
29 {6000, 6000},
30 {9000, 9000},
31 {12000, 12000},
32 {18000, 18000},
33 {24000, 24000},
34 {36000, 36000},
35 {48000, 48000},
36 {54000, 54000},
37 {6500, 7200},
38 {13000, 14400},
39 {19500, 21700},
40 {26000, 28900},
41 {39000, 43300},
42 {52000, 57800},
43 {58500, 65000},
44 {65000, 72200},
45 {13500, 15000},
46 {27000, 30000},
47 {40500, 45000},
48 {54000, 60000},
49 {81000, 90000},
50 {108000, 120000},
51 {121500, 135000},
52 {135000, 150000},
53 {0, 0}
54 };
55
56 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */
57 static const u8 up_to_ac[] = {
58 WMM_AC_BE,
59 WMM_AC_BK,
60 WMM_AC_BK,
61 WMM_AC_BE,
62 WMM_AC_VI,
63 WMM_AC_VI,
64 WMM_AC_VO,
65 WMM_AC_VO,
66 };
67
68 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)
69 {
70 if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))
71 return;
72
73 wmi->ep_id = ep_id;
74 }
75
76 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)
77 {
78 return wmi->ep_id;
79 }
80
81 /* Performs DIX to 802.3 encapsulation for transmit packets.
82 * Assumes the entire DIX header is contigous and that there is
83 * enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.
84 */
85 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)
86 {
87 struct ath6kl_llc_snap_hdr *llc_hdr;
88 struct ethhdr *eth_hdr;
89 size_t new_len;
90 __be16 type;
91 u8 *datap;
92 u16 size;
93
94 if (WARN_ON(skb == NULL))
95 return -EINVAL;
96
97 size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);
98 if (skb_headroom(skb) < size)
99 return -ENOMEM;
100
101 eth_hdr = (struct ethhdr *) skb->data;
102 type = eth_hdr->h_proto;
103
104 if (!is_ethertype(be16_to_cpu(type))) {
105 ath6kl_dbg(ATH6KL_DBG_WMI,
106 "%s: pkt is already in 802.3 format\n", __func__);
107 return 0;
108 }
109
110 new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);
111
112 skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));
113 datap = skb->data;
114
115 eth_hdr->h_proto = cpu_to_be16(new_len);
116
117 memcpy(datap, eth_hdr, sizeof(*eth_hdr));
118
119 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));
120 llc_hdr->dsap = 0xAA;
121 llc_hdr->ssap = 0xAA;
122 llc_hdr->cntl = 0x03;
123 llc_hdr->org_code[0] = 0x0;
124 llc_hdr->org_code[1] = 0x0;
125 llc_hdr->org_code[2] = 0x0;
126 llc_hdr->eth_type = type;
127
128 return 0;
129 }
130
131 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,
132 u8 *version, void *tx_meta_info)
133 {
134 struct wmi_tx_meta_v1 *v1;
135 struct wmi_tx_meta_v2 *v2;
136
137 if (WARN_ON(skb == NULL || version == NULL))
138 return -EINVAL;
139
140 switch (*version) {
141 case WMI_META_VERSION_1:
142 skb_push(skb, WMI_MAX_TX_META_SZ);
143 v1 = (struct wmi_tx_meta_v1 *) skb->data;
144 v1->pkt_id = 0;
145 v1->rate_plcy_id = 0;
146 *version = WMI_META_VERSION_1;
147 break;
148 case WMI_META_VERSION_2:
149 skb_push(skb, WMI_MAX_TX_META_SZ);
150 v2 = (struct wmi_tx_meta_v2 *) skb->data;
151 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,
152 sizeof(struct wmi_tx_meta_v2));
153 break;
154 }
155
156 return 0;
157 }
158
159 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,
160 u8 msg_type, bool more_data,
161 enum wmi_data_hdr_data_type data_type,
162 u8 meta_ver, void *tx_meta_info)
163 {
164 struct wmi_data_hdr *data_hdr;
165 int ret;
166
167 if (WARN_ON(skb == NULL))
168 return -EINVAL;
169
170 if (tx_meta_info) {
171 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);
172 if (ret)
173 return ret;
174 }
175
176 skb_push(skb, sizeof(struct wmi_data_hdr));
177
178 data_hdr = (struct wmi_data_hdr *)skb->data;
179 memset(data_hdr, 0, sizeof(struct wmi_data_hdr));
180
181 data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;
182 data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;
183
184 if (more_data)
185 data_hdr->info |=
186 WMI_DATA_HDR_MORE_MASK << WMI_DATA_HDR_MORE_SHIFT;
187
188 data_hdr->info2 = cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);
189 data_hdr->info3 = 0;
190
191 return 0;
192 }
193
194 static u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)
195 {
196 struct iphdr *ip_hdr = (struct iphdr *) pkt;
197 u8 ip_pri;
198
199 /*
200 * Determine IPTOS priority
201 *
202 * IP-TOS - 8bits
203 * : DSCP(6-bits) ECN(2-bits)
204 * : DSCP - P2 P1 P0 X X X
205 * where (P2 P1 P0) form 802.1D
206 */
207 ip_pri = ip_hdr->tos >> 5;
208 ip_pri &= 0x7;
209
210 if ((layer2_pri & 0x7) > ip_pri)
211 return (u8) layer2_pri & 0x7;
212 else
213 return ip_pri;
214 }
215
216 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, struct sk_buff *skb,
217 u32 layer2_priority, bool wmm_enabled,
218 u8 *ac)
219 {
220 struct wmi_data_hdr *data_hdr;
221 struct ath6kl_llc_snap_hdr *llc_hdr;
222 struct wmi_create_pstream_cmd cmd;
223 u32 meta_size, hdr_size;
224 u16 ip_type = IP_ETHERTYPE;
225 u8 stream_exist, usr_pri;
226 u8 traffic_class = WMM_AC_BE;
227 u8 *datap;
228
229 if (WARN_ON(skb == NULL))
230 return -EINVAL;
231
232 datap = skb->data;
233 data_hdr = (struct wmi_data_hdr *) datap;
234
235 meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &
236 WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;
237
238 if (!wmm_enabled) {
239 /* If WMM is disabled all traffic goes as BE traffic */
240 usr_pri = 0;
241 } else {
242 hdr_size = sizeof(struct ethhdr);
243
244 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +
245 sizeof(struct
246 wmi_data_hdr) +
247 meta_size + hdr_size);
248
249 if (llc_hdr->eth_type == htons(ip_type)) {
250 /*
251 * Extract the endpoint info from the TOS field
252 * in the IP header.
253 */
254 usr_pri =
255 ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +
256 sizeof(struct ath6kl_llc_snap_hdr),
257 layer2_priority);
258 } else
259 usr_pri = layer2_priority & 0x7;
260 }
261
262 /* workaround for WMM S5 */
263 if ((wmi->traffic_class == WMM_AC_VI) &&
264 ((usr_pri == 5) || (usr_pri == 4)))
265 usr_pri = 1;
266
267 /* Convert user priority to traffic class */
268 traffic_class = up_to_ac[usr_pri & 0x7];
269
270 wmi_data_hdr_set_up(data_hdr, usr_pri);
271
272 spin_lock_bh(&wmi->lock);
273 stream_exist = wmi->fat_pipe_exist;
274 spin_unlock_bh(&wmi->lock);
275
276 if (!(stream_exist & (1 << traffic_class))) {
277 memset(&cmd, 0, sizeof(cmd));
278 cmd.traffic_class = traffic_class;
279 cmd.user_pri = usr_pri;
280 cmd.inactivity_int =
281 cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);
282 /* Implicit streams are created with TSID 0xFF */
283 cmd.tsid = WMI_IMPLICIT_PSTREAM;
284 ath6kl_wmi_create_pstream_cmd(wmi, &cmd);
285 }
286
287 *ac = traffic_class;
288
289 return 0;
290 }
291
292 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)
293 {
294 struct ieee80211_hdr_3addr *pwh, wh;
295 struct ath6kl_llc_snap_hdr *llc_hdr;
296 struct ethhdr eth_hdr;
297 u32 hdr_size;
298 u8 *datap;
299 __le16 sub_type;
300
301 if (WARN_ON(skb == NULL))
302 return -EINVAL;
303
304 datap = skb->data;
305 pwh = (struct ieee80211_hdr_3addr *) datap;
306
307 sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
308
309 memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));
310
311 /* Strip off the 802.11 header */
312 if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
313 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),
314 sizeof(u32));
315 skb_pull(skb, hdr_size);
316 } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA))
317 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));
318
319 datap = skb->data;
320 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);
321
322 memset(&eth_hdr, 0, sizeof(eth_hdr));
323 eth_hdr.h_proto = llc_hdr->eth_type;
324
325 switch ((le16_to_cpu(wh.frame_control)) &
326 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {
327 case 0:
328 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
329 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
330 break;
331 case IEEE80211_FCTL_TODS:
332 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);
333 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);
334 break;
335 case IEEE80211_FCTL_FROMDS:
336 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);
337 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);
338 break;
339 case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
340 break;
341 }
342
343 skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
344 skb_push(skb, sizeof(eth_hdr));
345
346 datap = skb->data;
347
348 memcpy(datap, &eth_hdr, sizeof(eth_hdr));
349
350 return 0;
351 }
352
353 /*
354 * Performs 802.3 to DIX encapsulation for received packets.
355 * Assumes the entire 802.3 header is contigous.
356 */
357 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)
358 {
359 struct ath6kl_llc_snap_hdr *llc_hdr;
360 struct ethhdr eth_hdr;
361 u8 *datap;
362
363 if (WARN_ON(skb == NULL))
364 return -EINVAL;
365
366 datap = skb->data;
367
368 memcpy(&eth_hdr, datap, sizeof(eth_hdr));
369
370 llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));
371 eth_hdr.h_proto = llc_hdr->eth_type;
372
373 skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));
374 datap = skb->data;
375
376 memcpy(datap, &eth_hdr, sizeof(eth_hdr));
377
378 return 0;
379 }
380
381 static void ath6kl_wmi_convert_bssinfo_hdr2_to_hdr(struct sk_buff *skb,
382 u8 *datap)
383 {
384 struct wmi_bss_info_hdr2 bih2;
385 struct wmi_bss_info_hdr *bih;
386
387 memcpy(&bih2, datap, sizeof(struct wmi_bss_info_hdr2));
388
389 skb_push(skb, 4);
390 bih = (struct wmi_bss_info_hdr *) skb->data;
391
392 bih->ch = bih2.ch;
393 bih->frame_type = bih2.frame_type;
394 bih->snr = bih2.snr;
395 bih->rssi = a_cpu_to_sle16(bih2.snr - 95);
396 bih->ie_mask = cpu_to_le32(le16_to_cpu(bih2.ie_mask));
397 memcpy(bih->bssid, bih2.bssid, ETH_ALEN);
398 }
399
400 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)
401 {
402 struct tx_complete_msg_v1 *msg_v1;
403 struct wmi_tx_complete_event *evt;
404 int index;
405 u16 size;
406
407 evt = (struct wmi_tx_complete_event *) datap;
408
409 ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",
410 evt->num_msg, evt->msg_len, evt->msg_type);
411
412 if (!AR_DBG_LVL_CHECK(ATH6KL_DBG_WMI))
413 return 0;
414
415 for (index = 0; index < evt->num_msg; index++) {
416 size = sizeof(struct wmi_tx_complete_event) +
417 (index * sizeof(struct tx_complete_msg_v1));
418 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);
419
420 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",
421 msg_v1->status, msg_v1->pkt_id,
422 msg_v1->rate_idx, msg_v1->ack_failures);
423 }
424
425 return 0;
426 }
427
428 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)
429 {
430 struct sk_buff *skb;
431
432 skb = ath6kl_buf_alloc(size);
433 if (!skb)
434 return NULL;
435
436 skb_put(skb, size);
437 if (size)
438 memset(skb->data, 0, size);
439
440 return skb;
441 }
442
443 /* Send a "simple" wmi command -- one with no arguments */
444 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id)
445 {
446 struct sk_buff *skb;
447 int ret;
448
449 skb = ath6kl_wmi_get_new_buf(0);
450 if (!skb)
451 return -ENOMEM;
452
453 ret = ath6kl_wmi_cmd_send(wmi, skb, cmd_id, NO_SYNC_WMIFLAG);
454
455 return ret;
456 }
457
458 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)
459 {
460 struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;
461
462 if (len < sizeof(struct wmi_ready_event_2))
463 return -EINVAL;
464
465 wmi->ready = true;
466 ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,
467 le32_to_cpu(ev->sw_version),
468 le32_to_cpu(ev->abi_version));
469
470 return 0;
471 }
472
473 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len)
474 {
475 struct wmi_connect_event *ev;
476 u8 *pie, *peie;
477
478 if (len < sizeof(struct wmi_connect_event))
479 return -EINVAL;
480
481 ev = (struct wmi_connect_event *) datap;
482
483 ath6kl_dbg(ATH6KL_DBG_WMI, "%s: freq %d bssid %pM\n",
484 __func__, ev->ch, ev->bssid);
485
486 /* Start of assoc rsp IEs */
487 pie = ev->assoc_info + ev->beacon_ie_len +
488 ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */
489
490 /* End of assoc rsp IEs */
491 peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +
492 ev->assoc_resp_len;
493
494 while (pie < peie) {
495 switch (*pie) {
496 case WLAN_EID_VENDOR_SPECIFIC:
497 if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&
498 pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {
499 /* WMM OUT (00:50:F2) */
500 if (pie[1] > 5
501 && pie[6] == WMM_PARAM_OUI_SUBTYPE)
502 wmi->is_wmm_enabled = true;
503 }
504 break;
505 }
506
507 if (wmi->is_wmm_enabled)
508 break;
509
510 pie += pie[1] + 2;
511 }
512
513 ath6kl_connect_event(wmi->parent_dev, le16_to_cpu(ev->ch), ev->bssid,
514 le16_to_cpu(ev->listen_intvl),
515 le16_to_cpu(ev->beacon_intvl),
516 le32_to_cpu(ev->nw_type),
517 ev->beacon_ie_len, ev->assoc_req_len,
518 ev->assoc_resp_len, ev->assoc_info);
519
520 return 0;
521 }
522
523 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len)
524 {
525 struct wmi_disconnect_event *ev;
526 wmi->traffic_class = 100;
527
528 if (len < sizeof(struct wmi_disconnect_event))
529 return -EINVAL;
530
531 ev = (struct wmi_disconnect_event *) datap;
532
533 wmi->is_wmm_enabled = false;
534 wmi->pair_crypto_type = NONE_CRYPT;
535 wmi->grp_crypto_type = NONE_CRYPT;
536
537 ath6kl_disconnect_event(wmi->parent_dev, ev->disconn_reason,
538 ev->bssid, ev->assoc_resp_len, ev->assoc_info,
539 le16_to_cpu(ev->proto_reason_status));
540
541 return 0;
542 }
543
544 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)
545 {
546 struct wmi_peer_node_event *ev;
547
548 if (len < sizeof(struct wmi_peer_node_event))
549 return -EINVAL;
550
551 ev = (struct wmi_peer_node_event *) datap;
552
553 if (ev->event_code == PEER_NODE_JOIN_EVENT)
554 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",
555 ev->peer_mac_addr);
556 else if (ev->event_code == PEER_NODE_LEAVE_EVENT)
557 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",
558 ev->peer_mac_addr);
559
560 return 0;
561 }
562
563 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len)
564 {
565 struct wmi_tkip_micerr_event *ev;
566
567 if (len < sizeof(struct wmi_tkip_micerr_event))
568 return -EINVAL;
569
570 ev = (struct wmi_tkip_micerr_event *) datap;
571
572 ath6kl_tkip_micerr_event(wmi->parent_dev, ev->key_id, ev->is_mcast);
573
574 return 0;
575 }
576
577 static int ath6kl_wlan_parse_beacon(u8 *buf, int frame_len,
578 struct ath6kl_common_ie *cie)
579 {
580 u8 *frm, *efrm;
581 u8 elemid_ssid = false;
582
583 frm = buf;
584 efrm = (u8 *) (frm + frame_len);
585
586 /*
587 * beacon/probe response frame format
588 * [8] time stamp
589 * [2] beacon interval
590 * [2] capability information
591 * [tlv] ssid
592 * [tlv] supported rates
593 * [tlv] country information
594 * [tlv] parameter set (FH/DS)
595 * [tlv] erp information
596 * [tlv] extended supported rates
597 * [tlv] WMM
598 * [tlv] WPA or RSN
599 * [tlv] Atheros Advanced Capabilities
600 */
601 if ((efrm - frm) < 12)
602 return -EINVAL;
603
604 memset(cie, 0, sizeof(*cie));
605
606 cie->ie_tstamp = frm;
607 frm += 8;
608 cie->ie_beaconInt = *(u16 *) frm;
609 frm += 2;
610 cie->ie_capInfo = *(u16 *) frm;
611 frm += 2;
612 cie->ie_chan = 0;
613
614 while (frm < efrm) {
615 switch (*frm) {
616 case WLAN_EID_SSID:
617 if (!elemid_ssid) {
618 cie->ie_ssid = frm;
619 elemid_ssid = true;
620 }
621 break;
622 case WLAN_EID_SUPP_RATES:
623 cie->ie_rates = frm;
624 break;
625 case WLAN_EID_COUNTRY:
626 cie->ie_country = frm;
627 break;
628 case WLAN_EID_FH_PARAMS:
629 break;
630 case WLAN_EID_DS_PARAMS:
631 cie->ie_chan = frm[2];
632 break;
633 case WLAN_EID_TIM:
634 cie->ie_tim = frm;
635 break;
636 case WLAN_EID_IBSS_PARAMS:
637 break;
638 case WLAN_EID_EXT_SUPP_RATES:
639 cie->ie_xrates = frm;
640 break;
641 case WLAN_EID_ERP_INFO:
642 if (frm[1] != 1)
643 return -EINVAL;
644
645 cie->ie_erp = frm[2];
646 break;
647 case WLAN_EID_RSN:
648 cie->ie_rsn = frm;
649 break;
650 case WLAN_EID_HT_CAPABILITY:
651 cie->ie_htcap = frm;
652 break;
653 case WLAN_EID_HT_INFORMATION:
654 cie->ie_htop = frm;
655 break;
656 case WLAN_EID_VENDOR_SPECIFIC:
657 if (frm[1] > 3 && frm[2] == 0x00 && frm[3] == 0x50 &&
658 frm[4] == 0xf2) {
659 /* OUT Type (00:50:F2) */
660
661 if (frm[5] == WPA_OUI_TYPE) {
662 /* WPA OUT */
663 cie->ie_wpa = frm;
664 } else if (frm[5] == WMM_OUI_TYPE) {
665 /* WMM OUT */
666 cie->ie_wmm = frm;
667 } else if (frm[5] == WSC_OUT_TYPE) {
668 /* WSC OUT */
669 cie->ie_wsc = frm;
670 }
671
672 } else if (frm[1] > 3 && frm[2] == 0x00
673 && frm[3] == 0x03 && frm[4] == 0x7f
674 && frm[5] == ATH_OUI_TYPE) {
675 /* Atheros OUI (00:03:7f) */
676 cie->ie_ath = frm;
677 }
678 break;
679 default:
680 break;
681 }
682 frm += frm[1] + 2;
683 }
684
685 if ((cie->ie_rates == NULL)
686 || (cie->ie_rates[1] > ATH6KL_RATE_MAXSIZE))
687 return -EINVAL;
688
689 if ((cie->ie_ssid == NULL)
690 || (cie->ie_ssid[1] > IEEE80211_MAX_SSID_LEN))
691 return -EINVAL;
692
693 return 0;
694 }
695
696 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len)
697 {
698 struct bss *bss = NULL;
699 struct wmi_bss_info_hdr *bih;
700 u8 cached_ssid_len = 0;
701 u8 cached_ssid[IEEE80211_MAX_SSID_LEN] = { 0 };
702 u8 beacon_ssid_len = 0;
703 u8 *buf, *ie_ssid;
704 u8 *ni_buf;
705 int buf_len;
706
707 int ret;
708
709 if (len <= sizeof(struct wmi_bss_info_hdr))
710 return -EINVAL;
711
712 bih = (struct wmi_bss_info_hdr *) datap;
713 bss = wlan_find_node(&wmi->parent_dev->scan_table, bih->bssid);
714
715 if (a_sle16_to_cpu(bih->rssi) > 0) {
716 if (bss == NULL)
717 return 0;
718 else
719 bih->rssi = a_cpu_to_sle16(bss->ni_rssi);
720 }
721
722 buf = datap + sizeof(struct wmi_bss_info_hdr);
723 len -= sizeof(struct wmi_bss_info_hdr);
724
725 ath6kl_dbg(ATH6KL_DBG_WMI,
726 "bss info evt - ch %u, rssi %02x, bssid \"%pM\"\n",
727 bih->ch, a_sle16_to_cpu(bih->rssi), bih->bssid);
728
729 if (bss != NULL) {
730 /*
731 * Free up the node. We are about to allocate a new node.
732 * In case of hidden AP, beacon will not have ssid,
733 * but a directed probe response will have it,
734 * so cache the probe-resp-ssid if already present.
735 */
736 if (wmi->is_probe_ssid && (bih->frame_type == BEACON_FTYPE)) {
737 ie_ssid = bss->ni_cie.ie_ssid;
738 if (ie_ssid && (ie_ssid[1] <= IEEE80211_MAX_SSID_LEN) &&
739 (ie_ssid[2] != 0)) {
740 cached_ssid_len = ie_ssid[1];
741 memcpy(cached_ssid, ie_ssid + 2,
742 cached_ssid_len);
743 }
744 }
745
746 /*
747 * Use the current average rssi of associated AP base on
748 * assumption
749 * 1. Most os with GUI will update RSSI by
750 * ath6kl_wmi_get_stats_cmd() periodically.
751 * 2. ath6kl_wmi_get_stats_cmd(..) will be called when calling
752 * ath6kl_wmi_startscan_cmd(...)
753 * The average value of RSSI give end-user better feeling for
754 * instance value of scan result. It also sync up RSSI info
755 * in GUI between scan result and RSSI signal icon.
756 */
757 if (memcmp(wmi->parent_dev->bssid, bih->bssid, ETH_ALEN) == 0) {
758 bih->rssi = a_cpu_to_sle16(bss->ni_rssi);
759 bih->snr = bss->ni_snr;
760 }
761
762 wlan_node_reclaim(&wmi->parent_dev->scan_table, bss);
763 }
764
765 /*
766 * beacon/probe response frame format
767 * [8] time stamp
768 * [2] beacon interval
769 * [2] capability information
770 * [tlv] ssid
771 */
772 beacon_ssid_len = buf[SSID_IE_LEN_INDEX];
773
774 /*
775 * If ssid is cached for this hidden AP, then change
776 * buffer len accordingly.
777 */
778 if (wmi->is_probe_ssid && (bih->frame_type == BEACON_FTYPE) &&
779 (cached_ssid_len != 0) &&
780 (beacon_ssid_len == 0 || (cached_ssid_len > beacon_ssid_len &&
781 buf[SSID_IE_LEN_INDEX + 1] == 0))) {
782
783 len += (cached_ssid_len - beacon_ssid_len);
784 }
785
786 bss = wlan_node_alloc(len);
787 if (!bss)
788 return -ENOMEM;
789
790 bss->ni_snr = bih->snr;
791 bss->ni_rssi = a_sle16_to_cpu(bih->rssi);
792
793 if (WARN_ON(!bss->ni_buf))
794 return -EINVAL;
795
796 /*
797 * In case of hidden AP, beacon will not have ssid,
798 * but a directed probe response will have it,
799 * so place the cached-ssid(probe-resp) in the bss info.
800 */
801 if (wmi->is_probe_ssid && (bih->frame_type == BEACON_FTYPE) &&
802 (cached_ssid_len != 0) &&
803 (beacon_ssid_len == 0 || (beacon_ssid_len &&
804 buf[SSID_IE_LEN_INDEX + 1] == 0))) {
805 ni_buf = bss->ni_buf;
806 buf_len = len;
807
808 /*
809 * Copy the first 14 bytes:
810 * time-stamp(8), beacon-interval(2),
811 * cap-info(2), ssid-id(1), ssid-len(1).
812 */
813 memcpy(ni_buf, buf, SSID_IE_LEN_INDEX + 1);
814
815 ni_buf[SSID_IE_LEN_INDEX] = cached_ssid_len;
816 ni_buf += (SSID_IE_LEN_INDEX + 1);
817
818 buf += (SSID_IE_LEN_INDEX + 1);
819 buf_len -= (SSID_IE_LEN_INDEX + 1);
820
821 memcpy(ni_buf, cached_ssid, cached_ssid_len);
822 ni_buf += cached_ssid_len;
823
824 buf += beacon_ssid_len;
825 buf_len -= beacon_ssid_len;
826
827 if (cached_ssid_len > beacon_ssid_len)
828 buf_len -= (cached_ssid_len - beacon_ssid_len);
829
830 memcpy(ni_buf, buf, buf_len);
831 } else
832 memcpy(bss->ni_buf, buf, len);
833
834 bss->ni_framelen = len;
835
836 ret = ath6kl_wlan_parse_beacon(bss->ni_buf, len, &bss->ni_cie);
837 if (ret) {
838 wlan_node_free(bss);
839 return -EINVAL;
840 }
841
842 /*
843 * Update the frequency in ie_chan, overwriting of channel number
844 * which is done in ath6kl_wlan_parse_beacon
845 */
846 bss->ni_cie.ie_chan = le16_to_cpu(bih->ch);
847 wlan_setup_node(&wmi->parent_dev->scan_table, bss, bih->bssid);
848
849 return 0;
850 }
851
852 static int ath6kl_wmi_opt_frame_event_rx(struct wmi *wmi, u8 *datap, int len)
853 {
854 struct bss *bss;
855 struct wmi_opt_rx_info_hdr *bih;
856 u8 *buf;
857
858 if (len <= sizeof(struct wmi_opt_rx_info_hdr))
859 return -EINVAL;
860
861 bih = (struct wmi_opt_rx_info_hdr *) datap;
862 buf = datap + sizeof(struct wmi_opt_rx_info_hdr);
863 len -= sizeof(struct wmi_opt_rx_info_hdr);
864
865 ath6kl_dbg(ATH6KL_DBG_WMI, "opt frame event %2.2x:%2.2x\n",
866 bih->bssid[4], bih->bssid[5]);
867
868 bss = wlan_find_node(&wmi->parent_dev->scan_table, bih->bssid);
869 if (bss != NULL) {
870 /* Free up the node. We are about to allocate a new node. */
871 wlan_node_reclaim(&wmi->parent_dev->scan_table, bss);
872 }
873
874 bss = wlan_node_alloc(len);
875 if (!bss)
876 return -ENOMEM;
877
878 bss->ni_snr = bih->snr;
879 bss->ni_cie.ie_chan = le16_to_cpu(bih->ch);
880
881 if (WARN_ON(!bss->ni_buf))
882 return -EINVAL;
883
884 memcpy(bss->ni_buf, buf, len);
885 wlan_setup_node(&wmi->parent_dev->scan_table, bss, bih->bssid);
886
887 return 0;
888 }
889
890 /* Inactivity timeout of a fatpipe(pstream) at the target */
891 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,
892 int len)
893 {
894 struct wmi_pstream_timeout_event *ev;
895
896 if (len < sizeof(struct wmi_pstream_timeout_event))
897 return -EINVAL;
898
899 ev = (struct wmi_pstream_timeout_event *) datap;
900
901 /*
902 * When the pstream (fat pipe == AC) timesout, it means there were
903 * no thinStreams within this pstream & it got implicitly created
904 * due to data flow on this AC. We start the inactivity timer only
905 * for implicitly created pstream. Just reset the host state.
906 */
907 spin_lock_bh(&wmi->lock);
908 wmi->stream_exist_for_ac[ev->traffic_class] = 0;
909 wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);
910 spin_unlock_bh(&wmi->lock);
911
912 /* Indicate inactivity to driver layer for this fatpipe (pstream) */
913 ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);
914
915 return 0;
916 }
917
918 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)
919 {
920 struct wmi_bit_rate_reply *reply;
921 s32 rate;
922 u32 sgi, index;
923
924 if (len < sizeof(struct wmi_bit_rate_reply))
925 return -EINVAL;
926
927 reply = (struct wmi_bit_rate_reply *) datap;
928
929 ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);
930
931 if (reply->rate_index == (s8) RATE_AUTO) {
932 rate = RATE_AUTO;
933 } else {
934 index = reply->rate_index & 0x7f;
935 sgi = (reply->rate_index & 0x80) ? 1 : 0;
936 rate = wmi_rate_tbl[index][sgi];
937 }
938
939 ath6kl_wakeup_event(wmi->parent_dev);
940
941 return 0;
942 }
943
944 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)
945 {
946 if (len < sizeof(struct wmi_fix_rates_reply))
947 return -EINVAL;
948
949 ath6kl_wakeup_event(wmi->parent_dev);
950
951 return 0;
952 }
953
954 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)
955 {
956 if (len < sizeof(struct wmi_channel_list_reply))
957 return -EINVAL;
958
959 ath6kl_wakeup_event(wmi->parent_dev);
960
961 return 0;
962 }
963
964 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)
965 {
966 struct wmi_tx_pwr_reply *reply;
967
968 if (len < sizeof(struct wmi_tx_pwr_reply))
969 return -EINVAL;
970
971 reply = (struct wmi_tx_pwr_reply *) datap;
972 ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);
973
974 return 0;
975 }
976
977 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)
978 {
979 if (len < sizeof(struct wmi_get_keepalive_cmd))
980 return -EINVAL;
981
982 ath6kl_wakeup_event(wmi->parent_dev);
983
984 return 0;
985 }
986
987 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len)
988 {
989 struct wmi_scan_complete_event *ev;
990
991 ev = (struct wmi_scan_complete_event *) datap;
992
993 if (a_sle32_to_cpu(ev->status) == 0)
994 wlan_refresh_inactive_nodes(wmi->parent_dev);
995
996 ath6kl_scan_complete_evt(wmi->parent_dev, a_sle32_to_cpu(ev->status));
997 wmi->is_probe_ssid = false;
998
999 return 0;
1000 }
1001
1002 /*
1003 * Target is reporting a programming error. This is for
1004 * developer aid only. Target only checks a few common violations
1005 * and it is responsibility of host to do all error checking.
1006 * Behavior of target after wmi error event is undefined.
1007 * A reset is recommended.
1008 */
1009 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)
1010 {
1011 const char *type = "unknown error";
1012 struct wmi_cmd_error_event *ev;
1013 ev = (struct wmi_cmd_error_event *) datap;
1014
1015 switch (ev->err_code) {
1016 case INVALID_PARAM:
1017 type = "invalid parameter";
1018 break;
1019 case ILLEGAL_STATE:
1020 type = "invalid state";
1021 break;
1022 case INTERNAL_ERROR:
1023 type = "internal error";
1024 break;
1025 }
1026
1027 ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",
1028 ev->cmd_id, type);
1029
1030 return 0;
1031 }
1032
1033 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len)
1034 {
1035 ath6kl_tgt_stats_event(wmi->parent_dev, datap, len);
1036
1037 return 0;
1038 }
1039
1040 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,
1041 struct sq_threshold_params *sq_thresh,
1042 u32 size)
1043 {
1044 u32 index;
1045 u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];
1046
1047 /* The list is already in sorted order. Get the next lower value */
1048 for (index = 0; index < size; index++) {
1049 if (rssi < sq_thresh->upper_threshold[index]) {
1050 threshold = (u8) sq_thresh->upper_threshold[index];
1051 break;
1052 }
1053 }
1054
1055 return threshold;
1056 }
1057
1058 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,
1059 struct sq_threshold_params *sq_thresh,
1060 u32 size)
1061 {
1062 u32 index;
1063 u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];
1064
1065 /* The list is already in sorted order. Get the next lower value */
1066 for (index = 0; index < size; index++) {
1067 if (rssi > sq_thresh->lower_threshold[index]) {
1068 threshold = (u8) sq_thresh->lower_threshold[index];
1069 break;
1070 }
1071 }
1072
1073 return threshold;
1074 }
1075
1076 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,
1077 struct wmi_rssi_threshold_params_cmd *rssi_cmd)
1078 {
1079 struct sk_buff *skb;
1080 struct wmi_rssi_threshold_params_cmd *cmd;
1081
1082 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1083 if (!skb)
1084 return -ENOMEM;
1085
1086 cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;
1087 memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));
1088
1089 return ath6kl_wmi_cmd_send(wmi, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,
1090 NO_SYNC_WMIFLAG);
1091 }
1092
1093 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,
1094 int len)
1095 {
1096 struct wmi_rssi_threshold_event *reply;
1097 struct wmi_rssi_threshold_params_cmd cmd;
1098 struct sq_threshold_params *sq_thresh;
1099 enum wmi_rssi_threshold_val new_threshold;
1100 u8 upper_rssi_threshold, lower_rssi_threshold;
1101 s16 rssi;
1102 int ret;
1103
1104 if (len < sizeof(struct wmi_rssi_threshold_event))
1105 return -EINVAL;
1106
1107 reply = (struct wmi_rssi_threshold_event *) datap;
1108 new_threshold = (enum wmi_rssi_threshold_val) reply->range;
1109 rssi = a_sle16_to_cpu(reply->rssi);
1110
1111 sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];
1112
1113 /*
1114 * Identify the threshold breached and communicate that to the app.
1115 * After that install a new set of thresholds based on the signal
1116 * quality reported by the target
1117 */
1118 if (new_threshold) {
1119 /* Upper threshold breached */
1120 if (rssi < sq_thresh->upper_threshold[0]) {
1121 ath6kl_dbg(ATH6KL_DBG_WMI,
1122 "spurious upper rssi threshold event: %d\n",
1123 rssi);
1124 } else if ((rssi < sq_thresh->upper_threshold[1]) &&
1125 (rssi >= sq_thresh->upper_threshold[0])) {
1126 new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;
1127 } else if ((rssi < sq_thresh->upper_threshold[2]) &&
1128 (rssi >= sq_thresh->upper_threshold[1])) {
1129 new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;
1130 } else if ((rssi < sq_thresh->upper_threshold[3]) &&
1131 (rssi >= sq_thresh->upper_threshold[2])) {
1132 new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;
1133 } else if ((rssi < sq_thresh->upper_threshold[4]) &&
1134 (rssi >= sq_thresh->upper_threshold[3])) {
1135 new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;
1136 } else if ((rssi < sq_thresh->upper_threshold[5]) &&
1137 (rssi >= sq_thresh->upper_threshold[4])) {
1138 new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;
1139 } else if (rssi >= sq_thresh->upper_threshold[5]) {
1140 new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;
1141 }
1142 } else {
1143 /* Lower threshold breached */
1144 if (rssi > sq_thresh->lower_threshold[0]) {
1145 ath6kl_dbg(ATH6KL_DBG_WMI,
1146 "spurious lower rssi threshold event: %d %d\n",
1147 rssi, sq_thresh->lower_threshold[0]);
1148 } else if ((rssi > sq_thresh->lower_threshold[1]) &&
1149 (rssi <= sq_thresh->lower_threshold[0])) {
1150 new_threshold = WMI_RSSI_THRESHOLD6_BELOW;
1151 } else if ((rssi > sq_thresh->lower_threshold[2]) &&
1152 (rssi <= sq_thresh->lower_threshold[1])) {
1153 new_threshold = WMI_RSSI_THRESHOLD5_BELOW;
1154 } else if ((rssi > sq_thresh->lower_threshold[3]) &&
1155 (rssi <= sq_thresh->lower_threshold[2])) {
1156 new_threshold = WMI_RSSI_THRESHOLD4_BELOW;
1157 } else if ((rssi > sq_thresh->lower_threshold[4]) &&
1158 (rssi <= sq_thresh->lower_threshold[3])) {
1159 new_threshold = WMI_RSSI_THRESHOLD3_BELOW;
1160 } else if ((rssi > sq_thresh->lower_threshold[5]) &&
1161 (rssi <= sq_thresh->lower_threshold[4])) {
1162 new_threshold = WMI_RSSI_THRESHOLD2_BELOW;
1163 } else if (rssi <= sq_thresh->lower_threshold[5]) {
1164 new_threshold = WMI_RSSI_THRESHOLD1_BELOW;
1165 }
1166 }
1167
1168 /* Calculate and install the next set of thresholds */
1169 lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,
1170 sq_thresh->lower_threshold_valid_count);
1171 upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,
1172 sq_thresh->upper_threshold_valid_count);
1173
1174 /* Issue a wmi command to install the thresholds */
1175 cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);
1176 cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);
1177 cmd.weight = sq_thresh->weight;
1178 cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1179
1180 ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);
1181 if (ret) {
1182 ath6kl_err("unable to configure rssi thresholds\n");
1183 return -EIO;
1184 }
1185
1186 return 0;
1187 }
1188
1189 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len)
1190 {
1191 struct wmi_cac_event *reply;
1192 struct ieee80211_tspec_ie *ts;
1193 u16 active_tsids, tsinfo;
1194 u8 tsid, index;
1195 u8 ts_id;
1196
1197 if (len < sizeof(struct wmi_cac_event))
1198 return -EINVAL;
1199
1200 reply = (struct wmi_cac_event *) datap;
1201
1202 if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&
1203 (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {
1204
1205 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1206 tsinfo = le16_to_cpu(ts->tsinfo);
1207 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1208 IEEE80211_WMM_IE_TSPEC_TID_MASK;
1209
1210 ath6kl_wmi_delete_pstream_cmd(wmi, reply->ac, tsid);
1211 } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {
1212 /*
1213 * Following assumes that there is only one outstanding
1214 * ADDTS request when this event is received
1215 */
1216 spin_lock_bh(&wmi->lock);
1217 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1218 spin_unlock_bh(&wmi->lock);
1219
1220 for (index = 0; index < sizeof(active_tsids) * 8; index++) {
1221 if ((active_tsids >> index) & 1)
1222 break;
1223 }
1224 if (index < (sizeof(active_tsids) * 8))
1225 ath6kl_wmi_delete_pstream_cmd(wmi, reply->ac, index);
1226 }
1227
1228 /*
1229 * Clear active tsids and Add missing handling
1230 * for delete qos stream from AP
1231 */
1232 else if (reply->cac_indication == CAC_INDICATION_DELETE) {
1233
1234 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);
1235 tsinfo = le16_to_cpu(ts->tsinfo);
1236 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &
1237 IEEE80211_WMM_IE_TSPEC_TID_MASK);
1238
1239 spin_lock_bh(&wmi->lock);
1240 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);
1241 active_tsids = wmi->stream_exist_for_ac[reply->ac];
1242 spin_unlock_bh(&wmi->lock);
1243
1244 /* Indicate stream inactivity to driver layer only if all tsids
1245 * within this AC are deleted.
1246 */
1247 if (!active_tsids) {
1248 ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,
1249 false);
1250 wmi->fat_pipe_exist &= ~(1 << reply->ac);
1251 }
1252 }
1253
1254 return 0;
1255 }
1256
1257 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,
1258 struct wmi_snr_threshold_params_cmd *snr_cmd)
1259 {
1260 struct sk_buff *skb;
1261 struct wmi_snr_threshold_params_cmd *cmd;
1262
1263 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1264 if (!skb)
1265 return -ENOMEM;
1266
1267 cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;
1268 memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));
1269
1270 return ath6kl_wmi_cmd_send(wmi, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,
1271 NO_SYNC_WMIFLAG);
1272 }
1273
1274 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,
1275 int len)
1276 {
1277 struct wmi_snr_threshold_event *reply;
1278 struct sq_threshold_params *sq_thresh;
1279 struct wmi_snr_threshold_params_cmd cmd;
1280 enum wmi_snr_threshold_val new_threshold;
1281 u8 upper_snr_threshold, lower_snr_threshold;
1282 s16 snr;
1283 int ret;
1284
1285 if (len < sizeof(struct wmi_snr_threshold_event))
1286 return -EINVAL;
1287
1288 reply = (struct wmi_snr_threshold_event *) datap;
1289
1290 new_threshold = (enum wmi_snr_threshold_val) reply->range;
1291 snr = reply->snr;
1292
1293 sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];
1294
1295 /*
1296 * Identify the threshold breached and communicate that to the app.
1297 * After that install a new set of thresholds based on the signal
1298 * quality reported by the target.
1299 */
1300 if (new_threshold) {
1301 /* Upper threshold breached */
1302 if (snr < sq_thresh->upper_threshold[0]) {
1303 ath6kl_dbg(ATH6KL_DBG_WMI,
1304 "spurious upper snr threshold event: %d\n",
1305 snr);
1306 } else if ((snr < sq_thresh->upper_threshold[1]) &&
1307 (snr >= sq_thresh->upper_threshold[0])) {
1308 new_threshold = WMI_SNR_THRESHOLD1_ABOVE;
1309 } else if ((snr < sq_thresh->upper_threshold[2]) &&
1310 (snr >= sq_thresh->upper_threshold[1])) {
1311 new_threshold = WMI_SNR_THRESHOLD2_ABOVE;
1312 } else if ((snr < sq_thresh->upper_threshold[3]) &&
1313 (snr >= sq_thresh->upper_threshold[2])) {
1314 new_threshold = WMI_SNR_THRESHOLD3_ABOVE;
1315 } else if (snr >= sq_thresh->upper_threshold[3]) {
1316 new_threshold = WMI_SNR_THRESHOLD4_ABOVE;
1317 }
1318 } else {
1319 /* Lower threshold breached */
1320 if (snr > sq_thresh->lower_threshold[0]) {
1321 ath6kl_dbg(ATH6KL_DBG_WMI,
1322 "spurious lower snr threshold event: %d\n",
1323 sq_thresh->lower_threshold[0]);
1324 } else if ((snr > sq_thresh->lower_threshold[1]) &&
1325 (snr <= sq_thresh->lower_threshold[0])) {
1326 new_threshold = WMI_SNR_THRESHOLD4_BELOW;
1327 } else if ((snr > sq_thresh->lower_threshold[2]) &&
1328 (snr <= sq_thresh->lower_threshold[1])) {
1329 new_threshold = WMI_SNR_THRESHOLD3_BELOW;
1330 } else if ((snr > sq_thresh->lower_threshold[3]) &&
1331 (snr <= sq_thresh->lower_threshold[2])) {
1332 new_threshold = WMI_SNR_THRESHOLD2_BELOW;
1333 } else if (snr <= sq_thresh->lower_threshold[3]) {
1334 new_threshold = WMI_SNR_THRESHOLD1_BELOW;
1335 }
1336 }
1337
1338 /* Calculate and install the next set of thresholds */
1339 lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,
1340 sq_thresh->lower_threshold_valid_count);
1341 upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,
1342 sq_thresh->upper_threshold_valid_count);
1343
1344 /* Issue a wmi command to install the thresholds */
1345 cmd.thresh_above1_val = upper_snr_threshold;
1346 cmd.thresh_below1_val = lower_snr_threshold;
1347 cmd.weight = sq_thresh->weight;
1348 cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);
1349
1350 ath6kl_dbg(ATH6KL_DBG_WMI,
1351 "snr: %d, threshold: %d, lower: %d, upper: %d\n",
1352 snr, new_threshold,
1353 lower_snr_threshold, upper_snr_threshold);
1354
1355 ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);
1356 if (ret) {
1357 ath6kl_err("unable to configure snr threshold\n");
1358 return -EIO;
1359 }
1360
1361 return 0;
1362 }
1363
1364 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)
1365 {
1366 u16 ap_info_entry_size;
1367 struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;
1368 struct wmi_ap_info_v1 *ap_info_v1;
1369 u8 index;
1370
1371 if (len < sizeof(struct wmi_aplist_event) ||
1372 ev->ap_list_ver != APLIST_VER1)
1373 return -EINVAL;
1374
1375 ap_info_entry_size = sizeof(struct wmi_ap_info_v1);
1376 ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;
1377
1378 ath6kl_dbg(ATH6KL_DBG_WMI,
1379 "number of APs in aplist event: %d\n", ev->num_ap);
1380
1381 if (len < (int) (sizeof(struct wmi_aplist_event) +
1382 (ev->num_ap - 1) * ap_info_entry_size))
1383 return -EINVAL;
1384
1385 /* AP list version 1 contents */
1386 for (index = 0; index < ev->num_ap; index++) {
1387 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",
1388 index, ap_info_v1->bssid, ap_info_v1->channel);
1389 ap_info_v1++;
1390 }
1391
1392 return 0;
1393 }
1394
1395 int ath6kl_wmi_cmd_send(struct wmi *wmi, struct sk_buff *skb,
1396 enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)
1397 {
1398 struct wmi_cmd_hdr *cmd_hdr;
1399 enum htc_endpoint_id ep_id = wmi->ep_id;
1400 int ret;
1401
1402 ath6kl_dbg(ATH6KL_DBG_WMI, "%s: cmd_id=%d\n", __func__, cmd_id);
1403
1404 if (WARN_ON(skb == NULL))
1405 return -EINVAL;
1406
1407 if (sync_flag >= END_WMIFLAG) {
1408 dev_kfree_skb(skb);
1409 return -EINVAL;
1410 }
1411
1412 if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||
1413 (sync_flag == SYNC_BOTH_WMIFLAG)) {
1414 /*
1415 * Make sure all data currently queued is transmitted before
1416 * the cmd execution. Establish a new sync point.
1417 */
1418 ath6kl_wmi_sync_point(wmi);
1419 }
1420
1421 skb_push(skb, sizeof(struct wmi_cmd_hdr));
1422
1423 cmd_hdr = (struct wmi_cmd_hdr *) skb->data;
1424 cmd_hdr->cmd_id = cpu_to_le16(cmd_id);
1425 cmd_hdr->info1 = 0; /* added for virtual interface */
1426
1427 /* Only for OPT_TX_CMD, use BE endpoint. */
1428 if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {
1429 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE,
1430 false, false, 0, NULL);
1431 if (ret) {
1432 dev_kfree_skb(skb);
1433 return ret;
1434 }
1435 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);
1436 }
1437
1438 ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1439
1440 if ((sync_flag == SYNC_AFTER_WMIFLAG) ||
1441 (sync_flag == SYNC_BOTH_WMIFLAG)) {
1442 /*
1443 * Make sure all new data queued waits for the command to
1444 * execute. Establish a new sync point.
1445 */
1446 ath6kl_wmi_sync_point(wmi);
1447 }
1448
1449 return 0;
1450 }
1451
1452 int ath6kl_wmi_connect_cmd(struct wmi *wmi, enum network_type nw_type,
1453 enum dot11_auth_mode dot11_auth_mode,
1454 enum auth_mode auth_mode,
1455 enum crypto_type pairwise_crypto,
1456 u8 pairwise_crypto_len,
1457 enum crypto_type group_crypto,
1458 u8 group_crypto_len, int ssid_len, u8 *ssid,
1459 u8 *bssid, u16 channel, u32 ctrl_flags)
1460 {
1461 struct sk_buff *skb;
1462 struct wmi_connect_cmd *cc;
1463 int ret;
1464
1465 wmi->traffic_class = 100;
1466
1467 if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))
1468 return -EINVAL;
1469
1470 if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))
1471 return -EINVAL;
1472
1473 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));
1474 if (!skb)
1475 return -ENOMEM;
1476
1477 cc = (struct wmi_connect_cmd *) skb->data;
1478
1479 if (ssid_len)
1480 memcpy(cc->ssid, ssid, ssid_len);
1481
1482 cc->ssid_len = ssid_len;
1483 cc->nw_type = nw_type;
1484 cc->dot11_auth_mode = dot11_auth_mode;
1485 cc->auth_mode = auth_mode;
1486 cc->prwise_crypto_type = pairwise_crypto;
1487 cc->prwise_crypto_len = pairwise_crypto_len;
1488 cc->grp_crypto_type = group_crypto;
1489 cc->grp_crypto_len = group_crypto_len;
1490 cc->ch = cpu_to_le16(channel);
1491 cc->ctrl_flags = cpu_to_le32(ctrl_flags);
1492
1493 if (bssid != NULL)
1494 memcpy(cc->bssid, bssid, ETH_ALEN);
1495
1496 wmi->pair_crypto_type = pairwise_crypto;
1497 wmi->grp_crypto_type = group_crypto;
1498
1499 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_CONNECT_CMDID, NO_SYNC_WMIFLAG);
1500
1501 return ret;
1502 }
1503
1504 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 *bssid, u16 channel)
1505 {
1506 struct sk_buff *skb;
1507 struct wmi_reconnect_cmd *cc;
1508 int ret;
1509
1510 wmi->traffic_class = 100;
1511
1512 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));
1513 if (!skb)
1514 return -ENOMEM;
1515
1516 cc = (struct wmi_reconnect_cmd *) skb->data;
1517 cc->channel = cpu_to_le16(channel);
1518
1519 if (bssid != NULL)
1520 memcpy(cc->bssid, bssid, ETH_ALEN);
1521
1522 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_RECONNECT_CMDID,
1523 NO_SYNC_WMIFLAG);
1524
1525 return ret;
1526 }
1527
1528 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi)
1529 {
1530 int ret;
1531
1532 wmi->traffic_class = 100;
1533
1534 /* Disconnect command does not need to do a SYNC before. */
1535 ret = ath6kl_wmi_simple_cmd(wmi, WMI_DISCONNECT_CMDID);
1536
1537 return ret;
1538 }
1539
1540 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, enum wmi_scan_type scan_type,
1541 u32 force_fgscan, u32 is_legacy,
1542 u32 home_dwell_time, u32 force_scan_interval,
1543 s8 num_chan, u16 *ch_list)
1544 {
1545 struct sk_buff *skb;
1546 struct wmi_start_scan_cmd *sc;
1547 s8 size;
1548 int ret;
1549
1550 size = sizeof(struct wmi_start_scan_cmd);
1551
1552 if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))
1553 return -EINVAL;
1554
1555 if (num_chan > WMI_MAX_CHANNELS)
1556 return -EINVAL;
1557
1558 if (num_chan)
1559 size += sizeof(u16) * (num_chan - 1);
1560
1561 skb = ath6kl_wmi_get_new_buf(size);
1562 if (!skb)
1563 return -ENOMEM;
1564
1565 sc = (struct wmi_start_scan_cmd *) skb->data;
1566 sc->scan_type = scan_type;
1567 sc->force_fg_scan = cpu_to_le32(force_fgscan);
1568 sc->is_legacy = cpu_to_le32(is_legacy);
1569 sc->home_dwell_time = cpu_to_le32(home_dwell_time);
1570 sc->force_scan_intvl = cpu_to_le32(force_scan_interval);
1571 sc->num_ch = num_chan;
1572
1573 if (num_chan)
1574 memcpy(sc->ch_list, ch_list, num_chan * sizeof(u16));
1575
1576 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_START_SCAN_CMDID,
1577 NO_SYNC_WMIFLAG);
1578
1579 return ret;
1580 }
1581
1582 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u16 fg_start_sec,
1583 u16 fg_end_sec, u16 bg_sec,
1584 u16 minact_chdw_msec, u16 maxact_chdw_msec,
1585 u16 pas_chdw_msec, u8 short_scan_ratio,
1586 u8 scan_ctrl_flag, u32 max_dfsch_act_time,
1587 u16 maxact_scan_per_ssid)
1588 {
1589 struct sk_buff *skb;
1590 struct wmi_scan_params_cmd *sc;
1591 int ret;
1592
1593 skb = ath6kl_wmi_get_new_buf(sizeof(*sc));
1594 if (!skb)
1595 return -ENOMEM;
1596
1597 sc = (struct wmi_scan_params_cmd *) skb->data;
1598 sc->fg_start_period = cpu_to_le16(fg_start_sec);
1599 sc->fg_end_period = cpu_to_le16(fg_end_sec);
1600 sc->bg_period = cpu_to_le16(bg_sec);
1601 sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);
1602 sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);
1603 sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);
1604 sc->short_scan_ratio = short_scan_ratio;
1605 sc->scan_ctrl_flags = scan_ctrl_flag;
1606 sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);
1607 sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);
1608
1609 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_SCAN_PARAMS_CMDID,
1610 NO_SYNC_WMIFLAG);
1611 return ret;
1612 }
1613
1614 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 filter, u32 ie_mask)
1615 {
1616 struct sk_buff *skb;
1617 struct wmi_bss_filter_cmd *cmd;
1618 int ret;
1619
1620 if (filter >= LAST_BSS_FILTER)
1621 return -EINVAL;
1622
1623 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1624 if (!skb)
1625 return -ENOMEM;
1626
1627 cmd = (struct wmi_bss_filter_cmd *) skb->data;
1628 cmd->bss_filter = filter;
1629 cmd->ie_mask = cpu_to_le32(ie_mask);
1630
1631 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_BSS_FILTER_CMDID,
1632 NO_SYNC_WMIFLAG);
1633 return ret;
1634 }
1635
1636 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 index, u8 flag,
1637 u8 ssid_len, u8 *ssid)
1638 {
1639 struct sk_buff *skb;
1640 struct wmi_probed_ssid_cmd *cmd;
1641 int ret;
1642
1643 if (index > MAX_PROBED_SSID_INDEX)
1644 return -EINVAL;
1645
1646 if (ssid_len > sizeof(cmd->ssid))
1647 return -EINVAL;
1648
1649 if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))
1650 return -EINVAL;
1651
1652 if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)
1653 return -EINVAL;
1654
1655 if (flag & SPECIFIC_SSID_FLAG)
1656 wmi->is_probe_ssid = true;
1657
1658 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1659 if (!skb)
1660 return -ENOMEM;
1661
1662 cmd = (struct wmi_probed_ssid_cmd *) skb->data;
1663 cmd->entry_index = index;
1664 cmd->flag = flag;
1665 cmd->ssid_len = ssid_len;
1666 memcpy(cmd->ssid, ssid, ssid_len);
1667
1668 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_PROBED_SSID_CMDID,
1669 NO_SYNC_WMIFLAG);
1670 return ret;
1671 }
1672
1673 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u16 listen_interval,
1674 u16 listen_beacons)
1675 {
1676 struct sk_buff *skb;
1677 struct wmi_listen_int_cmd *cmd;
1678 int ret;
1679
1680 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1681 if (!skb)
1682 return -ENOMEM;
1683
1684 cmd = (struct wmi_listen_int_cmd *) skb->data;
1685 cmd->listen_intvl = cpu_to_le16(listen_interval);
1686 cmd->num_beacons = cpu_to_le16(listen_beacons);
1687
1688 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_LISTEN_INT_CMDID,
1689 NO_SYNC_WMIFLAG);
1690 return ret;
1691 }
1692
1693 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 pwr_mode)
1694 {
1695 struct sk_buff *skb;
1696 struct wmi_power_mode_cmd *cmd;
1697 int ret;
1698
1699 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1700 if (!skb)
1701 return -ENOMEM;
1702
1703 cmd = (struct wmi_power_mode_cmd *) skb->data;
1704 cmd->pwr_mode = pwr_mode;
1705 wmi->pwr_mode = pwr_mode;
1706
1707 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_POWER_MODE_CMDID,
1708 NO_SYNC_WMIFLAG);
1709 return ret;
1710 }
1711
1712 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u16 idle_period,
1713 u16 ps_poll_num, u16 dtim_policy,
1714 u16 tx_wakeup_policy, u16 num_tx_to_wakeup,
1715 u16 ps_fail_event_policy)
1716 {
1717 struct sk_buff *skb;
1718 struct wmi_power_params_cmd *pm;
1719 int ret;
1720
1721 skb = ath6kl_wmi_get_new_buf(sizeof(*pm));
1722 if (!skb)
1723 return -ENOMEM;
1724
1725 pm = (struct wmi_power_params_cmd *)skb->data;
1726 pm->idle_period = cpu_to_le16(idle_period);
1727 pm->pspoll_number = cpu_to_le16(ps_poll_num);
1728 pm->dtim_policy = cpu_to_le16(dtim_policy);
1729 pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);
1730 pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);
1731 pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);
1732
1733 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_POWER_PARAMS_CMDID,
1734 NO_SYNC_WMIFLAG);
1735 return ret;
1736 }
1737
1738 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 timeout)
1739 {
1740 struct sk_buff *skb;
1741 struct wmi_disc_timeout_cmd *cmd;
1742 int ret;
1743
1744 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1745 if (!skb)
1746 return -ENOMEM;
1747
1748 cmd = (struct wmi_disc_timeout_cmd *) skb->data;
1749 cmd->discon_timeout = timeout;
1750
1751 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_DISC_TIMEOUT_CMDID,
1752 NO_SYNC_WMIFLAG);
1753 return ret;
1754 }
1755
1756 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 key_index,
1757 enum crypto_type key_type,
1758 u8 key_usage, u8 key_len,
1759 u8 *key_rsc, u8 *key_material,
1760 u8 key_op_ctrl, u8 *mac_addr,
1761 enum wmi_sync_flag sync_flag)
1762 {
1763 struct sk_buff *skb;
1764 struct wmi_add_cipher_key_cmd *cmd;
1765 int ret;
1766
1767 ath6kl_dbg(ATH6KL_DBG_WMI, "addkey cmd: key_index=%u key_type=%d "
1768 "key_usage=%d key_len=%d key_op_ctrl=%d\n",
1769 key_index, key_type, key_usage, key_len, key_op_ctrl);
1770
1771 if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||
1772 (key_material == NULL))
1773 return -EINVAL;
1774
1775 if ((WEP_CRYPT != key_type) && (NULL == key_rsc))
1776 return -EINVAL;
1777
1778 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1779 if (!skb)
1780 return -ENOMEM;
1781
1782 cmd = (struct wmi_add_cipher_key_cmd *) skb->data;
1783 cmd->key_index = key_index;
1784 cmd->key_type = key_type;
1785 cmd->key_usage = key_usage;
1786 cmd->key_len = key_len;
1787 memcpy(cmd->key, key_material, key_len);
1788
1789 if (key_rsc != NULL)
1790 memcpy(cmd->key_rsc, key_rsc, sizeof(cmd->key_rsc));
1791
1792 cmd->key_op_ctrl = key_op_ctrl;
1793
1794 if (mac_addr)
1795 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);
1796
1797 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_ADD_CIPHER_KEY_CMDID,
1798 sync_flag);
1799
1800 return ret;
1801 }
1802
1803 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 *krk)
1804 {
1805 struct sk_buff *skb;
1806 struct wmi_add_krk_cmd *cmd;
1807 int ret;
1808
1809 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1810 if (!skb)
1811 return -ENOMEM;
1812
1813 cmd = (struct wmi_add_krk_cmd *) skb->data;
1814 memcpy(cmd->krk, krk, WMI_KRK_LEN);
1815
1816 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_ADD_KRK_CMDID, NO_SYNC_WMIFLAG);
1817
1818 return ret;
1819 }
1820
1821 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 key_index)
1822 {
1823 struct sk_buff *skb;
1824 struct wmi_delete_cipher_key_cmd *cmd;
1825 int ret;
1826
1827 if (key_index > WMI_MAX_KEY_INDEX)
1828 return -EINVAL;
1829
1830 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1831 if (!skb)
1832 return -ENOMEM;
1833
1834 cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;
1835 cmd->key_index = key_index;
1836
1837 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_DELETE_CIPHER_KEY_CMDID,
1838 NO_SYNC_WMIFLAG);
1839
1840 return ret;
1841 }
1842
1843 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, const u8 *bssid,
1844 const u8 *pmkid, bool set)
1845 {
1846 struct sk_buff *skb;
1847 struct wmi_setpmkid_cmd *cmd;
1848 int ret;
1849
1850 if (bssid == NULL)
1851 return -EINVAL;
1852
1853 if (set && pmkid == NULL)
1854 return -EINVAL;
1855
1856 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1857 if (!skb)
1858 return -ENOMEM;
1859
1860 cmd = (struct wmi_setpmkid_cmd *) skb->data;
1861 memcpy(cmd->bssid, bssid, ETH_ALEN);
1862 if (set) {
1863 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));
1864 cmd->enable = PMKID_ENABLE;
1865 } else {
1866 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));
1867 cmd->enable = PMKID_DISABLE;
1868 }
1869
1870 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_PMKID_CMDID,
1871 NO_SYNC_WMIFLAG);
1872
1873 return ret;
1874 }
1875
1876 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,
1877 enum htc_endpoint_id ep_id)
1878 {
1879 struct wmi_data_hdr *data_hdr;
1880 int ret;
1881
1882 if (WARN_ON(skb == NULL || ep_id == wmi->ep_id))
1883 return -EINVAL;
1884
1885 skb_push(skb, sizeof(struct wmi_data_hdr));
1886
1887 data_hdr = (struct wmi_data_hdr *) skb->data;
1888 data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;
1889 data_hdr->info3 = 0;
1890
1891 ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);
1892
1893 return ret;
1894 }
1895
1896 static int ath6kl_wmi_sync_point(struct wmi *wmi)
1897 {
1898 struct sk_buff *skb;
1899 struct wmi_sync_cmd *cmd;
1900 struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];
1901 enum htc_endpoint_id ep_id;
1902 u8 index, num_pri_streams = 0;
1903 int ret = 0;
1904
1905 memset(data_sync_bufs, 0, sizeof(data_sync_bufs));
1906
1907 spin_lock_bh(&wmi->lock);
1908
1909 for (index = 0; index < WMM_NUM_AC; index++) {
1910 if (wmi->fat_pipe_exist & (1 << index)) {
1911 num_pri_streams++;
1912 data_sync_bufs[num_pri_streams - 1].traffic_class =
1913 index;
1914 }
1915 }
1916
1917 spin_unlock_bh(&wmi->lock);
1918
1919 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
1920 if (!skb) {
1921 ret = -ENOMEM;
1922 goto free_skb;
1923 }
1924
1925 cmd = (struct wmi_sync_cmd *) skb->data;
1926
1927 /*
1928 * In the SYNC cmd sent on the control Ep, send a bitmap
1929 * of the data eps on which the Data Sync will be sent
1930 */
1931 cmd->data_sync_map = wmi->fat_pipe_exist;
1932
1933 for (index = 0; index < num_pri_streams; index++) {
1934 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);
1935 if (data_sync_bufs[index].skb == NULL) {
1936 ret = -ENOMEM;
1937 break;
1938 }
1939 }
1940
1941 /*
1942 * If buffer allocation for any of the dataSync fails,
1943 * then do not send the Synchronize cmd on the control ep
1944 */
1945 if (ret)
1946 goto free_skb;
1947
1948 /*
1949 * Send sync cmd followed by sync data messages on all
1950 * endpoints being used
1951 */
1952 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SYNCHRONIZE_CMDID,
1953 NO_SYNC_WMIFLAG);
1954
1955 if (ret)
1956 goto free_skb;
1957
1958 /* cmd buffer sent, we no longer own it */
1959 skb = NULL;
1960
1961 for (index = 0; index < num_pri_streams; index++) {
1962
1963 if (WARN_ON(!data_sync_bufs[index].skb))
1964 break;
1965
1966 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
1967 data_sync_bufs[index].
1968 traffic_class);
1969 ret =
1970 ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,
1971 ep_id);
1972
1973 if (ret)
1974 break;
1975
1976 data_sync_bufs[index].skb = NULL;
1977 }
1978
1979 free_skb:
1980 /* free up any resources left over (possibly due to an error) */
1981 if (skb)
1982 dev_kfree_skb(skb);
1983
1984 for (index = 0; index < num_pri_streams; index++) {
1985 if (data_sync_bufs[index].skb != NULL) {
1986 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].
1987 skb);
1988 }
1989 }
1990
1991 return ret;
1992 }
1993
1994 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi,
1995 struct wmi_create_pstream_cmd *params)
1996 {
1997 struct sk_buff *skb;
1998 struct wmi_create_pstream_cmd *cmd;
1999 u8 fatpipe_exist_for_ac = 0;
2000 s32 min_phy = 0;
2001 s32 nominal_phy = 0;
2002 int ret;
2003
2004 if (!((params->user_pri < 8) &&
2005 (params->user_pri <= 0x7) &&
2006 (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&
2007 (params->traffic_direc == UPLINK_TRAFFIC ||
2008 params->traffic_direc == DNLINK_TRAFFIC ||
2009 params->traffic_direc == BIDIR_TRAFFIC) &&
2010 (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||
2011 params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&
2012 (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||
2013 params->voice_psc_cap == ENABLE_FOR_THIS_AC ||
2014 params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&
2015 (params->tsid == WMI_IMPLICIT_PSTREAM ||
2016 params->tsid <= WMI_MAX_THINSTREAM))) {
2017 return -EINVAL;
2018 }
2019
2020 /*
2021 * Check nominal PHY rate is >= minimalPHY,
2022 * so that DUT can allow TSRS IE
2023 */
2024
2025 /* Get the physical rate (units of bps) */
2026 min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);
2027
2028 /* Check minimal phy < nominal phy rate */
2029 if (params->nominal_phy >= min_phy) {
2030 /* unit of 500 kbps */
2031 nominal_phy = (params->nominal_phy * 1000) / 500;
2032 ath6kl_dbg(ATH6KL_DBG_WMI,
2033 "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",
2034 min_phy, nominal_phy);
2035
2036 params->nominal_phy = nominal_phy;
2037 } else {
2038 params->nominal_phy = 0;
2039 }
2040
2041 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2042 if (!skb)
2043 return -ENOMEM;
2044
2045 ath6kl_dbg(ATH6KL_DBG_WMI,
2046 "sending create_pstream_cmd: ac=%d tsid:%d\n",
2047 params->traffic_class, params->tsid);
2048
2049 cmd = (struct wmi_create_pstream_cmd *) skb->data;
2050 memcpy(cmd, params, sizeof(*cmd));
2051
2052 /* This is an implicitly created Fat pipe */
2053 if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {
2054 spin_lock_bh(&wmi->lock);
2055 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2056 (1 << params->traffic_class));
2057 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2058 spin_unlock_bh(&wmi->lock);
2059 } else {
2060 /* explicitly created thin stream within a fat pipe */
2061 spin_lock_bh(&wmi->lock);
2062 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &
2063 (1 << params->traffic_class));
2064 wmi->stream_exist_for_ac[params->traffic_class] |=
2065 (1 << params->tsid);
2066 /*
2067 * If a thinstream becomes active, the fat pipe automatically
2068 * becomes active
2069 */
2070 wmi->fat_pipe_exist |= (1 << params->traffic_class);
2071 spin_unlock_bh(&wmi->lock);
2072 }
2073
2074 /*
2075 * Indicate activty change to driver layer only if this is the
2076 * first TSID to get created in this AC explicitly or an implicit
2077 * fat pipe is getting created.
2078 */
2079 if (!fatpipe_exist_for_ac)
2080 ath6kl_indicate_tx_activity(wmi->parent_dev,
2081 params->traffic_class, true);
2082
2083 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_CREATE_PSTREAM_CMDID,
2084 NO_SYNC_WMIFLAG);
2085 return ret;
2086 }
2087
2088 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 traffic_class, u8 tsid)
2089 {
2090 struct sk_buff *skb;
2091 struct wmi_delete_pstream_cmd *cmd;
2092 u16 active_tsids = 0;
2093 int ret;
2094
2095 if (traffic_class > 3) {
2096 ath6kl_err("invalid traffic class: %d\n", traffic_class);
2097 return -EINVAL;
2098 }
2099
2100 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2101 if (!skb)
2102 return -ENOMEM;
2103
2104 cmd = (struct wmi_delete_pstream_cmd *) skb->data;
2105 cmd->traffic_class = traffic_class;
2106 cmd->tsid = tsid;
2107
2108 spin_lock_bh(&wmi->lock);
2109 active_tsids = wmi->stream_exist_for_ac[traffic_class];
2110 spin_unlock_bh(&wmi->lock);
2111
2112 if (!(active_tsids & (1 << tsid))) {
2113 dev_kfree_skb(skb);
2114 ath6kl_dbg(ATH6KL_DBG_WMI,
2115 "TSID %d doesn't exist for traffic class: %d\n",
2116 tsid, traffic_class);
2117 return -ENODATA;
2118 }
2119
2120 ath6kl_dbg(ATH6KL_DBG_WMI,
2121 "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",
2122 traffic_class, tsid);
2123
2124 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_DELETE_PSTREAM_CMDID,
2125 SYNC_BEFORE_WMIFLAG);
2126
2127 spin_lock_bh(&wmi->lock);
2128 wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);
2129 active_tsids = wmi->stream_exist_for_ac[traffic_class];
2130 spin_unlock_bh(&wmi->lock);
2131
2132 /*
2133 * Indicate stream inactivity to driver layer only if all tsids
2134 * within this AC are deleted.
2135 */
2136 if (!active_tsids) {
2137 ath6kl_indicate_tx_activity(wmi->parent_dev,
2138 traffic_class, false);
2139 wmi->fat_pipe_exist &= ~(1 << traffic_class);
2140 }
2141
2142 return ret;
2143 }
2144
2145 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, struct wmi_set_ip_cmd *ip_cmd)
2146 {
2147 struct sk_buff *skb;
2148 struct wmi_set_ip_cmd *cmd;
2149 int ret;
2150
2151 /* Multicast address are not valid */
2152 if ((*((u8 *) &ip_cmd->ips[0]) >= 0xE0) ||
2153 (*((u8 *) &ip_cmd->ips[1]) >= 0xE0))
2154 return -EINVAL;
2155
2156 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));
2157 if (!skb)
2158 return -ENOMEM;
2159
2160 cmd = (struct wmi_set_ip_cmd *) skb->data;
2161 memcpy(cmd, ip_cmd, sizeof(struct wmi_set_ip_cmd));
2162
2163 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_IP_CMDID, NO_SYNC_WMIFLAG);
2164 return ret;
2165 }
2166
2167 static int ath6kl_wmi_get_wow_list_event_rx(struct wmi *wmi, u8 * datap,
2168 int len)
2169 {
2170 if (len < sizeof(struct wmi_get_wow_list_reply))
2171 return -EINVAL;
2172
2173 return 0;
2174 }
2175
2176 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,
2177 enum wmix_command_id cmd_id,
2178 enum wmi_sync_flag sync_flag)
2179 {
2180 struct wmix_cmd_hdr *cmd_hdr;
2181 int ret;
2182
2183 skb_push(skb, sizeof(struct wmix_cmd_hdr));
2184
2185 cmd_hdr = (struct wmix_cmd_hdr *) skb->data;
2186 cmd_hdr->cmd_id = cpu_to_le32(cmd_id);
2187
2188 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_EXTENSION_CMDID, sync_flag);
2189
2190 return ret;
2191 }
2192
2193 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)
2194 {
2195 struct sk_buff *skb;
2196 struct wmix_hb_challenge_resp_cmd *cmd;
2197 int ret;
2198
2199 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2200 if (!skb)
2201 return -ENOMEM;
2202
2203 cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;
2204 cmd->cookie = cpu_to_le32(cookie);
2205 cmd->source = cpu_to_le32(source);
2206
2207 ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,
2208 NO_SYNC_WMIFLAG);
2209 return ret;
2210 }
2211
2212 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi)
2213 {
2214 return ath6kl_wmi_simple_cmd(wmi, WMI_GET_STATISTICS_CMDID);
2215 }
2216
2217 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 dbM)
2218 {
2219 struct sk_buff *skb;
2220 struct wmi_set_tx_pwr_cmd *cmd;
2221 int ret;
2222
2223 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));
2224 if (!skb)
2225 return -ENOMEM;
2226
2227 cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;
2228 cmd->dbM = dbM;
2229
2230 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_TX_PWR_CMDID,
2231 NO_SYNC_WMIFLAG);
2232
2233 return ret;
2234 }
2235
2236 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi)
2237 {
2238 return ath6kl_wmi_simple_cmd(wmi, WMI_GET_TX_PWR_CMDID);
2239 }
2240
2241 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 status, u8 preamble_policy)
2242 {
2243 struct sk_buff *skb;
2244 struct wmi_set_lpreamble_cmd *cmd;
2245 int ret;
2246
2247 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));
2248 if (!skb)
2249 return -ENOMEM;
2250
2251 cmd = (struct wmi_set_lpreamble_cmd *) skb->data;
2252 cmd->status = status;
2253 cmd->preamble_policy = preamble_policy;
2254
2255 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_LPREAMBLE_CMDID,
2256 NO_SYNC_WMIFLAG);
2257 return ret;
2258 }
2259
2260 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)
2261 {
2262 struct sk_buff *skb;
2263 struct wmi_set_rts_cmd *cmd;
2264 int ret;
2265
2266 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));
2267 if (!skb)
2268 return -ENOMEM;
2269
2270 cmd = (struct wmi_set_rts_cmd *) skb->data;
2271 cmd->threshold = cpu_to_le16(threshold);
2272
2273 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_RTS_CMDID, NO_SYNC_WMIFLAG);
2274 return ret;
2275 }
2276
2277 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, enum wmi_txop_cfg cfg)
2278 {
2279 struct sk_buff *skb;
2280 struct wmi_set_wmm_txop_cmd *cmd;
2281 int ret;
2282
2283 if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))
2284 return -EINVAL;
2285
2286 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));
2287 if (!skb)
2288 return -ENOMEM;
2289
2290 cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;
2291 cmd->txop_enable = cfg;
2292
2293 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_WMM_TXOP_CMDID,
2294 NO_SYNC_WMIFLAG);
2295 return ret;
2296 }
2297
2298 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 keep_alive_intvl)
2299 {
2300 struct sk_buff *skb;
2301 struct wmi_set_keepalive_cmd *cmd;
2302 int ret;
2303
2304 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2305 if (!skb)
2306 return -ENOMEM;
2307
2308 cmd = (struct wmi_set_keepalive_cmd *) skb->data;
2309 cmd->keep_alive_intvl = keep_alive_intvl;
2310 wmi->keep_alive_intvl = keep_alive_intvl;
2311
2312 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_KEEPALIVE_CMDID,
2313 NO_SYNC_WMIFLAG);
2314 return ret;
2315 }
2316
2317 s32 ath6kl_wmi_get_rate(s8 rate_index)
2318 {
2319 if (rate_index == RATE_AUTO)
2320 return 0;
2321
2322 return wmi_rate_tbl[(u32) rate_index][0];
2323 }
2324
2325 void ath6kl_wmi_node_return(struct wmi *wmi, struct bss *bss)
2326 {
2327 if (bss)
2328 wlan_node_return(&wmi->parent_dev->scan_table, bss);
2329 }
2330
2331 struct bss *ath6kl_wmi_find_ssid_node(struct wmi *wmi, u8 * ssid,
2332 u32 ssid_len, bool is_wpa2,
2333 bool match_ssid)
2334 {
2335 struct bss *node = NULL;
2336
2337 node = wlan_find_ssid_node(&wmi->parent_dev->scan_table, ssid,
2338 ssid_len, is_wpa2, match_ssid);
2339 return node;
2340 }
2341
2342 struct bss *ath6kl_wmi_find_node(struct wmi *wmi, const u8 * mac_addr)
2343 {
2344 struct bss *ni = NULL;
2345
2346 ni = wlan_find_node(&wmi->parent_dev->scan_table, mac_addr);
2347
2348 return ni;
2349 }
2350
2351 void ath6kl_wmi_node_free(struct wmi *wmi, const u8 * mac_addr)
2352 {
2353 struct bss *ni = NULL;
2354
2355 ni = wlan_find_node(&wmi->parent_dev->scan_table, mac_addr);
2356 if (ni != NULL)
2357 wlan_node_reclaim(&wmi->parent_dev->scan_table, ni);
2358
2359 return;
2360 }
2361
2362 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,
2363 u32 len)
2364 {
2365 struct wmi_pmkid_list_reply *reply;
2366 u32 expected_len;
2367
2368 if (len < sizeof(struct wmi_pmkid_list_reply))
2369 return -EINVAL;
2370
2371 reply = (struct wmi_pmkid_list_reply *)datap;
2372 expected_len = sizeof(reply->num_pmkid) +
2373 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;
2374
2375 if (len < expected_len)
2376 return -EINVAL;
2377
2378 return 0;
2379 }
2380
2381 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len)
2382 {
2383 struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;
2384
2385 aggr_recv_addba_req_evt(wmi->parent_dev, cmd->tid,
2386 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);
2387
2388 return 0;
2389 }
2390
2391 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len)
2392 {
2393 struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;
2394
2395 aggr_recv_delba_req_evt(wmi->parent_dev, cmd->tid);
2396
2397 return 0;
2398 }
2399
2400 /* AP mode functions */
2401
2402 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, struct wmi_connect_cmd *p)
2403 {
2404 struct sk_buff *skb;
2405 struct wmi_connect_cmd *cm;
2406 int res;
2407
2408 skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2409 if (!skb)
2410 return -ENOMEM;
2411
2412 cm = (struct wmi_connect_cmd *) skb->data;
2413 memcpy(cm, p, sizeof(*cm));
2414
2415 res = ath6kl_wmi_cmd_send(wmip, skb, WMI_AP_CONFIG_COMMIT_CMDID,
2416 NO_SYNC_WMIFLAG);
2417 ath6kl_dbg(ATH6KL_DBG_WMI, "%s: nw_type=%u auth_mode=%u ch=%u "
2418 "ctrl_flags=0x%x-> res=%d\n",
2419 __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),
2420 le32_to_cpu(p->ctrl_flags), res);
2421 return res;
2422 }
2423
2424 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 cmd, const u8 *mac, u16 reason)
2425 {
2426 struct sk_buff *skb;
2427 struct wmi_ap_set_mlme_cmd *cm;
2428
2429 skb = ath6kl_wmi_get_new_buf(sizeof(*cm));
2430 if (!skb)
2431 return -ENOMEM;
2432
2433 cm = (struct wmi_ap_set_mlme_cmd *) skb->data;
2434 memcpy(cm->mac, mac, ETH_ALEN);
2435 cm->reason = cpu_to_le16(reason);
2436 cm->cmd = cmd;
2437
2438 return ath6kl_wmi_cmd_send(wmip, skb, WMI_AP_SET_MLME_CMDID,
2439 NO_SYNC_WMIFLAG);
2440 }
2441
2442 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len)
2443 {
2444 struct wmi_pspoll_event *ev;
2445
2446 if (len < sizeof(struct wmi_pspoll_event))
2447 return -EINVAL;
2448
2449 ev = (struct wmi_pspoll_event *) datap;
2450
2451 ath6kl_pspoll_event(wmi->parent_dev, le16_to_cpu(ev->aid));
2452
2453 return 0;
2454 }
2455
2456 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len)
2457 {
2458 ath6kl_dtimexpiry_event(wmi->parent_dev);
2459
2460 return 0;
2461 }
2462
2463 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u16 aid, bool flag)
2464 {
2465 struct sk_buff *skb;
2466 struct wmi_ap_set_pvb_cmd *cmd;
2467 int ret;
2468
2469 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));
2470 if (!skb)
2471 return -ENOMEM;
2472
2473 cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;
2474 cmd->aid = cpu_to_le16(aid);
2475 cmd->flag = cpu_to_le32(flag);
2476
2477 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_AP_SET_PVB_CMDID,
2478 NO_SYNC_WMIFLAG);
2479
2480 return 0;
2481 }
2482
2483 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 rx_meta_ver,
2484 bool rx_dot11_hdr, bool defrag_on_host)
2485 {
2486 struct sk_buff *skb;
2487 struct wmi_rx_frame_format_cmd *cmd;
2488 int ret;
2489
2490 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));
2491 if (!skb)
2492 return -ENOMEM;
2493
2494 cmd = (struct wmi_rx_frame_format_cmd *) skb->data;
2495 cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;
2496 cmd->defrag_on_host = defrag_on_host ? 1 : 0;
2497 cmd->meta_ver = rx_meta_ver;
2498
2499 /* Delete the local aggr state, on host */
2500 ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_RX_FRAME_FORMAT_CMDID,
2501 NO_SYNC_WMIFLAG);
2502
2503 return ret;
2504 }
2505
2506 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 mgmt_frm_type, const u8 *ie,
2507 u8 ie_len)
2508 {
2509 struct sk_buff *skb;
2510 struct wmi_set_appie_cmd *p;
2511
2512 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);
2513 if (!skb)
2514 return -ENOMEM;
2515
2516 ath6kl_dbg(ATH6KL_DBG_WMI, "set_appie_cmd: mgmt_frm_type=%u "
2517 "ie_len=%u\n", mgmt_frm_type, ie_len);
2518 p = (struct wmi_set_appie_cmd *) skb->data;
2519 p->mgmt_frm_type = mgmt_frm_type;
2520 p->ie_len = ie_len;
2521 memcpy(p->ie_info, ie, ie_len);
2522 return ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_APPIE_CMDID,
2523 NO_SYNC_WMIFLAG);
2524 }
2525
2526 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)
2527 {
2528 struct wmix_cmd_hdr *cmd;
2529 u32 len;
2530 u16 id;
2531 u8 *datap;
2532 int ret = 0;
2533
2534 if (skb->len < sizeof(struct wmix_cmd_hdr)) {
2535 ath6kl_err("bad packet 1\n");
2536 wmi->stat.cmd_len_err++;
2537 return -EINVAL;
2538 }
2539
2540 cmd = (struct wmix_cmd_hdr *) skb->data;
2541 id = le32_to_cpu(cmd->cmd_id);
2542
2543 skb_pull(skb, sizeof(struct wmix_cmd_hdr));
2544
2545 datap = skb->data;
2546 len = skb->len;
2547
2548 switch (id) {
2549 case WMIX_HB_CHALLENGE_RESP_EVENTID:
2550 break;
2551 case WMIX_DBGLOG_EVENTID:
2552 break;
2553 default:
2554 ath6kl_err("unknown cmd id 0x%x\n", id);
2555 wmi->stat.cmd_id_err++;
2556 ret = -EINVAL;
2557 break;
2558 }
2559
2560 return ret;
2561 }
2562
2563 /* Control Path */
2564 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)
2565 {
2566 struct wmi_cmd_hdr *cmd;
2567 u32 len;
2568 u16 id;
2569 u8 *datap;
2570 int ret = 0;
2571
2572 if (WARN_ON(skb == NULL))
2573 return -EINVAL;
2574
2575 if (skb->len < sizeof(struct wmi_cmd_hdr)) {
2576 ath6kl_err("bad packet 1\n");
2577 dev_kfree_skb(skb);
2578 wmi->stat.cmd_len_err++;
2579 return -EINVAL;
2580 }
2581
2582 cmd = (struct wmi_cmd_hdr *) skb->data;
2583 id = le16_to_cpu(cmd->cmd_id);
2584
2585 skb_pull(skb, sizeof(struct wmi_cmd_hdr));
2586
2587 datap = skb->data;
2588 len = skb->len;
2589
2590 ath6kl_dbg(ATH6KL_DBG_WMI, "%s: wmi id: %d\n", __func__, id);
2591 ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, "msg payload ", datap, len);
2592
2593 switch (id) {
2594 case WMI_GET_BITRATE_CMDID:
2595 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");
2596 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);
2597 break;
2598 case WMI_GET_CHANNEL_LIST_CMDID:
2599 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");
2600 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);
2601 break;
2602 case WMI_GET_TX_PWR_CMDID:
2603 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");
2604 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);
2605 break;
2606 case WMI_READY_EVENTID:
2607 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");
2608 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);
2609 break;
2610 case WMI_CONNECT_EVENTID:
2611 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");
2612 ret = ath6kl_wmi_connect_event_rx(wmi, datap, len);
2613 break;
2614 case WMI_DISCONNECT_EVENTID:
2615 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");
2616 ret = ath6kl_wmi_disconnect_event_rx(wmi, datap, len);
2617 break;
2618 case WMI_PEER_NODE_EVENTID:
2619 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");
2620 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);
2621 break;
2622 case WMI_TKIP_MICERR_EVENTID:
2623 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");
2624 ret = ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len);
2625 break;
2626 case WMI_BSSINFO_EVENTID:
2627 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");
2628 ath6kl_wmi_convert_bssinfo_hdr2_to_hdr(skb, datap);
2629 ret = ath6kl_wmi_bssinfo_event_rx(wmi, skb->data, skb->len);
2630 break;
2631 case WMI_REGDOMAIN_EVENTID:
2632 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");
2633 break;
2634 case WMI_PSTREAM_TIMEOUT_EVENTID:
2635 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");
2636 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);
2637 break;
2638 case WMI_NEIGHBOR_REPORT_EVENTID:
2639 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");
2640 break;
2641 case WMI_SCAN_COMPLETE_EVENTID:
2642 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");
2643 ret = ath6kl_wmi_scan_complete_rx(wmi, datap, len);
2644 break;
2645 case WMI_CMDERROR_EVENTID:
2646 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");
2647 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);
2648 break;
2649 case WMI_REPORT_STATISTICS_EVENTID:
2650 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");
2651 ret = ath6kl_wmi_stats_event_rx(wmi, datap, len);
2652 break;
2653 case WMI_RSSI_THRESHOLD_EVENTID:
2654 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");
2655 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);
2656 break;
2657 case WMI_ERROR_REPORT_EVENTID:
2658 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");
2659 break;
2660 case WMI_OPT_RX_FRAME_EVENTID:
2661 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");
2662 ret = ath6kl_wmi_opt_frame_event_rx(wmi, datap, len);
2663 break;
2664 case WMI_REPORT_ROAM_TBL_EVENTID:
2665 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");
2666 break;
2667 case WMI_EXTENSION_EVENTID:
2668 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");
2669 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);
2670 break;
2671 case WMI_CAC_EVENTID:
2672 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");
2673 ret = ath6kl_wmi_cac_event_rx(wmi, datap, len);
2674 break;
2675 case WMI_CHANNEL_CHANGE_EVENTID:
2676 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");
2677 break;
2678 case WMI_REPORT_ROAM_DATA_EVENTID:
2679 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");
2680 break;
2681 case WMI_GET_FIXRATES_CMDID:
2682 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");
2683 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);
2684 break;
2685 case WMI_TX_RETRY_ERR_EVENTID:
2686 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");
2687 break;
2688 case WMI_SNR_THRESHOLD_EVENTID:
2689 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");
2690 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);
2691 break;
2692 case WMI_LQ_THRESHOLD_EVENTID:
2693 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");
2694 break;
2695 case WMI_APLIST_EVENTID:
2696 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");
2697 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);
2698 break;
2699 case WMI_GET_KEEPALIVE_CMDID:
2700 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");
2701 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);
2702 break;
2703 case WMI_GET_WOW_LIST_EVENTID:
2704 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");
2705 ret = ath6kl_wmi_get_wow_list_event_rx(wmi, datap, len);
2706 break;
2707 case WMI_GET_PMKID_LIST_EVENTID:
2708 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");
2709 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);
2710 break;
2711 case WMI_PSPOLL_EVENTID:
2712 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");
2713 ret = ath6kl_wmi_pspoll_event_rx(wmi, datap, len);
2714 break;
2715 case WMI_DTIMEXPIRY_EVENTID:
2716 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");
2717 ret = ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len);
2718 break;
2719 case WMI_SET_PARAMS_REPLY_EVENTID:
2720 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");
2721 break;
2722 case WMI_ADDBA_REQ_EVENTID:
2723 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");
2724 ret = ath6kl_wmi_addba_req_event_rx(wmi, datap, len);
2725 break;
2726 case WMI_ADDBA_RESP_EVENTID:
2727 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");
2728 break;
2729 case WMI_DELBA_REQ_EVENTID:
2730 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");
2731 ret = ath6kl_wmi_delba_req_event_rx(wmi, datap, len);
2732 break;
2733 case WMI_REPORT_BTCOEX_CONFIG_EVENTID:
2734 ath6kl_dbg(ATH6KL_DBG_WMI,
2735 "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");
2736 break;
2737 case WMI_REPORT_BTCOEX_STATS_EVENTID:
2738 ath6kl_dbg(ATH6KL_DBG_WMI,
2739 "WMI_REPORT_BTCOEX_STATS_EVENTID\n");
2740 break;
2741 case WMI_TX_COMPLETE_EVENTID:
2742 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
2743 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
2744 break;
2745 default:
2746 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", id);
2747 wmi->stat.cmd_id_err++;
2748 ret = -EINVAL;
2749 break;
2750 }
2751
2752 dev_kfree_skb(skb);
2753
2754 return ret;
2755 }
2756
2757 static void ath6kl_wmi_qos_state_init(struct wmi *wmi)
2758 {
2759 if (!wmi)
2760 return;
2761
2762 spin_lock_bh(&wmi->lock);
2763
2764 wmi->fat_pipe_exist = 0;
2765 memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));
2766
2767 spin_unlock_bh(&wmi->lock);
2768 }
2769
2770 void *ath6kl_wmi_init(struct ath6kl *dev)
2771 {
2772 struct wmi *wmi;
2773
2774 wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);
2775 if (!wmi)
2776 return NULL;
2777
2778 spin_lock_init(&wmi->lock);
2779
2780 wmi->parent_dev = dev;
2781
2782 ath6kl_wmi_qos_state_init(wmi);
2783
2784 wmi->pwr_mode = REC_POWER;
2785 wmi->phy_mode = WMI_11G_MODE;
2786
2787 wmi->pair_crypto_type = NONE_CRYPT;
2788 wmi->grp_crypto_type = NONE_CRYPT;
2789
2790 wmi->ht_allowed[A_BAND_24GHZ] = 1;
2791 wmi->ht_allowed[A_BAND_5GHZ] = 1;
2792
2793 return wmi;
2794 }
2795
2796 void ath6kl_wmi_shutdown(struct wmi *wmi)
2797 {
2798 if (!wmi)
2799 return;
2800
2801 kfree(wmi);
2802 }
Linux kernel - Deliverables
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