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wireless: mwifiex: Use the proper interfaces
[deliverable/linux.git] / drivers / net / wireless / mwifiex / tdls.c
CommitLineData
b23bce29
AP		 1/* Marvell Wireless LAN device driver: TDLS handling
2 *
3 * Copyright (C) 2014, Marvell International Ltd.
4 *
5 * This software file (the "File") is distributed by Marvell International
6 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
7 * (the "License"). You may use, redistribute and/or modify this File in
8 * accordance with the terms and conditions of the License, a copy of which
9 * is available on the worldwide web at
10 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
11 *
12 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
13 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
14 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
15 * this warranty disclaimer.
16 */
17
18#include "main.h"
5f2caaf3 19#include "wmm.h"
429d90d2
AP		 20#include "11n.h"
21#include "11n_rxreorder.h"
5f6d5983 22#include "11ac.h"
5f2caaf3
AP		 23
24#define TDLS_REQ_FIX_LEN 6
25#define TDLS_RESP_FIX_LEN 8
26#define TDLS_CONFIRM_FIX_LEN 6
b23bce29 27
3b3a0162
JB		 28static void mwifiex_restore_tdls_packets(struct mwifiex_private *priv,
29 const u8 *mac, u8 status)
56bd24a1
AP		 30{
31 struct mwifiex_ra_list_tbl *ra_list;
32 struct list_head *tid_list;
33 struct sk_buff *skb, *tmp;
34 struct mwifiex_txinfo *tx_info;
35 unsigned long flags;
36 u32 tid;
37 u8 tid_down;
38
39 dev_dbg(priv->adapter->dev, "%s: %pM\n", __func__, mac);
40 spin_lock_irqsave(&priv->wmm.ra_list_spinlock, flags);
41
42 skb_queue_walk_safe(&priv->tdls_txq, skb, tmp) {
43 if (!ether_addr_equal(mac, skb->data))
44 continue;
45
46 __skb_unlink(skb, &priv->tdls_txq);
47 tx_info = MWIFIEX_SKB_TXCB(skb);
48 tid = skb->priority;
49 tid_down = mwifiex_wmm_downgrade_tid(priv, tid);
50
51 if (status == TDLS_SETUP_COMPLETE) {
52 ra_list = mwifiex_wmm_get_queue_raptr(priv, tid, mac);
daeb5bb4 53 ra_list->tdls_link = true;
56bd24a1
AP		 54 tx_info->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT;
55 } else {
56 tid_list = &priv->wmm.tid_tbl_ptr[tid_down].ra_list;
57 if (!list_empty(tid_list))
58 ra_list = list_first_entry(tid_list,
59 struct mwifiex_ra_list_tbl, list);
60 else
61 ra_list = NULL;
62 tx_info->flags &= ~MWIFIEX_BUF_FLAG_TDLS_PKT;
63 }
64
65 if (!ra_list) {
66 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
67 continue;
68 }
69
70 skb_queue_tail(&ra_list->skb_head, skb);
71
72 ra_list->ba_pkt_count++;
73 ra_list->total_pkt_count++;
74
75 if (atomic_read(&priv->wmm.highest_queued_prio) <
76 tos_to_tid_inv[tid_down])
77 atomic_set(&priv->wmm.highest_queued_prio,
78 tos_to_tid_inv[tid_down]);
79
80 atomic_inc(&priv->wmm.tx_pkts_queued);
81 }
82
83 spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
84 return;
85}
86
3b3a0162
JB		 87static void mwifiex_hold_tdls_packets(struct mwifiex_private *priv,
88 const u8 *mac)
56bd24a1
AP		 89{
90 struct mwifiex_ra_list_tbl *ra_list;
91 struct list_head *ra_list_head;
92 struct sk_buff *skb, *tmp;
93 unsigned long flags;
94 int i;
95
96 dev_dbg(priv->adapter->dev, "%s: %pM\n", __func__, mac);
97 spin_lock_irqsave(&priv->wmm.ra_list_spinlock, flags);
98
99 for (i = 0; i < MAX_NUM_TID; i++) {
100 if (!list_empty(&priv->wmm.tid_tbl_ptr[i].ra_list)) {
101 ra_list_head = &priv->wmm.tid_tbl_ptr[i].ra_list;
102 list_for_each_entry(ra_list, ra_list_head, list) {
103 skb_queue_walk_safe(&ra_list->skb_head, skb,
104 tmp) {
105 if (!ether_addr_equal(mac, skb->data))
106 continue;
107 __skb_unlink(skb, &ra_list->skb_head);
108 atomic_dec(&priv->wmm.tx_pkts_queued);
109 ra_list->total_pkt_count--;
110 skb_queue_tail(&priv->tdls_txq, skb);
111 }
112 }
113 }
114 }
115
116 spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
117 return;
118}
119
b23bce29
AP		 120/* This function appends rate TLV to scan config command. */
121static int
122mwifiex_tdls_append_rates_ie(struct mwifiex_private *priv,
123 struct sk_buff *skb)
124{
125 u8 rates[MWIFIEX_SUPPORTED_RATES], *pos;
126 u16 rates_size, supp_rates_size, ext_rates_size;
127
128 memset(rates, 0, sizeof(rates));
129 rates_size = mwifiex_get_supported_rates(priv, rates);
130
131 supp_rates_size = min_t(u16, rates_size, MWIFIEX_TDLS_SUPPORTED_RATES);
132
133 if (skb_tailroom(skb) < rates_size + 4) {
134 dev_err(priv->adapter->dev,
135 "Insuffient space while adding rates\n");
136 return -ENOMEM;
137 }
138
139 pos = skb_put(skb, supp_rates_size + 2);
140 *pos++ = WLAN_EID_SUPP_RATES;
141 *pos++ = supp_rates_size;
142 memcpy(pos, rates, supp_rates_size);
143
144 if (rates_size > MWIFIEX_TDLS_SUPPORTED_RATES) {
145 ext_rates_size = rates_size - MWIFIEX_TDLS_SUPPORTED_RATES;
146 pos = skb_put(skb, ext_rates_size + 2);
147 *pos++ = WLAN_EID_EXT_SUPP_RATES;
148 *pos++ = ext_rates_size;
149 memcpy(pos, rates + MWIFIEX_TDLS_SUPPORTED_RATES,
150 ext_rates_size);
151 }
152
153 return 0;
154}
155
5f6d5983
AP		 156static void mwifiex_tdls_add_aid(struct mwifiex_private *priv,
157 struct sk_buff *skb)
158{
159 struct ieee_types_assoc_rsp *assoc_rsp;
160 u8 *pos;
161
162 assoc_rsp = (struct ieee_types_assoc_rsp *)&priv->assoc_rsp_buf;
163 pos = (void *)skb_put(skb, 4);
164 *pos++ = WLAN_EID_AID;
165 *pos++ = 2;
166 *pos++ = le16_to_cpu(assoc_rsp->a_id);
167
168 return;
169}
170
171static int mwifiex_tdls_add_vht_capab(struct mwifiex_private *priv,
172 struct sk_buff *skb)
173{
174 struct ieee80211_vht_cap vht_cap;
175 u8 *pos;
176
177 pos = (void *)skb_put(skb, sizeof(struct ieee80211_vht_cap) + 2);
178 *pos++ = WLAN_EID_VHT_CAPABILITY;
179 *pos++ = sizeof(struct ieee80211_vht_cap);
180
181 memset(&vht_cap, 0, sizeof(struct ieee80211_vht_cap));
182
183 mwifiex_fill_vht_cap_tlv(priv, &vht_cap, priv->curr_bss_params.band);
c42c65c1 184 memcpy(pos, &vht_cap, sizeof(vht_cap));
5f6d5983
AP		 185
186 return 0;
187}
188
396939f9 189static int
ef1b075c 190mwifiex_tdls_add_ht_oper(struct mwifiex_private *priv, const u8 *mac,
396939f9
AP		 191 u8 vht_enabled, struct sk_buff *skb)
192{
193 struct ieee80211_ht_operation *ht_oper;
194 struct mwifiex_sta_node *sta_ptr;
195 struct mwifiex_bssdescriptor *bss_desc =
196 &priv->curr_bss_params.bss_descriptor;
197 u8 *pos;
198
199 sta_ptr = mwifiex_get_sta_entry(priv, mac);
200 if (unlikely(!sta_ptr)) {
201 dev_warn(priv->adapter->dev,
202 "TDLS peer station not found in list\n");
203 return -1;
204 }
205
206 pos = (void *)skb_put(skb, sizeof(struct ieee80211_ht_operation) + 2);
207 *pos++ = WLAN_EID_HT_OPERATION;
208 *pos++ = sizeof(struct ieee80211_ht_operation);
209 ht_oper = (void *)pos;
210
211 ht_oper->primary_chan = bss_desc->channel;
212
213 /* follow AP's channel bandwidth */
214 if (ISSUPP_CHANWIDTH40(priv->adapter->hw_dot_11n_dev_cap) &&
215 bss_desc->bcn_ht_cap &&
216 ISALLOWED_CHANWIDTH40(bss_desc->bcn_ht_oper->ht_param))
217 ht_oper->ht_param = bss_desc->bcn_ht_oper->ht_param;
218
219 if (vht_enabled) {
220 ht_oper->ht_param =
221 mwifiex_get_sec_chan_offset(bss_desc->channel);
222 ht_oper->ht_param |= BIT(2);
223 }
224
225 memcpy(&sta_ptr->tdls_cap.ht_oper, ht_oper,
226 sizeof(struct ieee80211_ht_operation));
227
228 return 0;
229}
230
5f6d5983 231static int mwifiex_tdls_add_vht_oper(struct mwifiex_private *priv,
3b3a0162 232 const u8 *mac, struct sk_buff *skb)
5f6d5983
AP		 233{
234 struct mwifiex_bssdescriptor *bss_desc;
235 struct ieee80211_vht_operation *vht_oper;
236 struct ieee80211_vht_cap *vht_cap, *ap_vht_cap = NULL;
237 struct mwifiex_sta_node *sta_ptr;
238 struct mwifiex_adapter *adapter = priv->adapter;
239 u8 supp_chwd_set, peer_supp_chwd_set;
240 u8 *pos, ap_supp_chwd_set, chan_bw;
241 u16 mcs_map_user, mcs_map_resp, mcs_map_result;
242 u16 mcs_user, mcs_resp, nss;
243 u32 usr_vht_cap_info;
244
245 bss_desc = &priv->curr_bss_params.bss_descriptor;
246
247 sta_ptr = mwifiex_get_sta_entry(priv, mac);
248 if (unlikely(!sta_ptr)) {
249 dev_warn(adapter->dev, "TDLS peer station not found in list\n");
250 return -1;
251 }
252
253 if (!mwifiex_is_bss_in_11ac_mode(priv)) {
254 if (sta_ptr->tdls_cap.extcap.ext_capab[7] &
255 WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) {
256 dev_dbg(adapter->dev,
257 "TDLS peer doesn't support wider bandwitdh\n");
258 return 0;
259 }
260 } else {
261 ap_vht_cap = bss_desc->bcn_vht_cap;
262 }
263
264 pos = (void *)skb_put(skb, sizeof(struct ieee80211_vht_operation) + 2);
265 *pos++ = WLAN_EID_VHT_OPERATION;
266 *pos++ = sizeof(struct ieee80211_vht_operation);
267 vht_oper = (struct ieee80211_vht_operation *)pos;
268
269 if (bss_desc->bss_band & BAND_A)
270 usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_a;
271 else
272 usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_bg;
273
274 /* find the minmum bandwith between AP/TDLS peers */
275 vht_cap = &sta_ptr->tdls_cap.vhtcap;
276 supp_chwd_set = GET_VHTCAP_CHWDSET(usr_vht_cap_info);
277 peer_supp_chwd_set =
278 GET_VHTCAP_CHWDSET(le32_to_cpu(vht_cap->vht_cap_info));
279 supp_chwd_set = min_t(u8, supp_chwd_set, peer_supp_chwd_set);
280
281 /* We need check AP's bandwidth when TDLS_WIDER_BANDWIDTH is off */
282
283 if (ap_vht_cap && sta_ptr->tdls_cap.extcap.ext_capab[7] &
284 WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) {
285 ap_supp_chwd_set =
286 GET_VHTCAP_CHWDSET(le32_to_cpu(ap_vht_cap->vht_cap_info));
287 supp_chwd_set = min_t(u8, supp_chwd_set, ap_supp_chwd_set);
288 }
289
290 switch (supp_chwd_set) {
291 case IEEE80211_VHT_CHANWIDTH_80MHZ:
292 vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_80MHZ;
293 break;
294 case IEEE80211_VHT_CHANWIDTH_160MHZ:
295 vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_160MHZ;
296 break;
297 case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
298 vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_80P80MHZ;
299 break;
300 default:
301 vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_USE_HT;
302 break;
303 }
304
305 mcs_map_user = GET_DEVRXMCSMAP(adapter->usr_dot_11ac_mcs_support);
306 mcs_map_resp = le16_to_cpu(vht_cap->supp_mcs.rx_mcs_map);
307 mcs_map_result = 0;
308
309 for (nss = 1; nss <= 8; nss++) {
310 mcs_user = GET_VHTNSSMCS(mcs_map_user, nss);
311 mcs_resp = GET_VHTNSSMCS(mcs_map_resp, nss);
312
313 if ((mcs_user == IEEE80211_VHT_MCS_NOT_SUPPORTED) ||
314 (mcs_resp == IEEE80211_VHT_MCS_NOT_SUPPORTED))
315 SET_VHTNSSMCS(mcs_map_result, nss,
316 IEEE80211_VHT_MCS_NOT_SUPPORTED);
317 else
318 SET_VHTNSSMCS(mcs_map_result, nss,
319 min_t(u16, mcs_user, mcs_resp));
320 }
321
322 vht_oper->basic_mcs_set = cpu_to_le16(mcs_map_result);
323
324 switch (vht_oper->chan_width) {
325 case IEEE80211_VHT_CHANWIDTH_80MHZ:
326 chan_bw = IEEE80211_VHT_CHANWIDTH_80MHZ;
327 break;
328 case IEEE80211_VHT_CHANWIDTH_160MHZ:
329 chan_bw = IEEE80211_VHT_CHANWIDTH_160MHZ;
330 break;
331 case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
332 chan_bw = IEEE80211_VHT_CHANWIDTH_80MHZ;
333 break;
334 default:
335 chan_bw = IEEE80211_VHT_CHANWIDTH_USE_HT;
336 break;
337 }
338 vht_oper->center_freq_seg1_idx =
339 mwifiex_get_center_freq_index(priv, BAND_AAC,
340 bss_desc->channel,
341 chan_bw);
342
343 return 0;
344}
345
346static void mwifiex_tdls_add_ext_capab(struct mwifiex_private *priv,
347 struct sk_buff *skb)
b23bce29
AP		 348{
349 struct ieee_types_extcap *extcap;
350
351 extcap = (void *)skb_put(skb, sizeof(struct ieee_types_extcap));
352 extcap->ieee_hdr.element_id = WLAN_EID_EXT_CAPABILITY;
353 extcap->ieee_hdr.len = 8;
354 memset(extcap->ext_capab, 0, 8);
355 extcap->ext_capab[4] |= WLAN_EXT_CAPA5_TDLS_ENABLED;
5f6d5983
AP		 356
357 if (priv->adapter->is_hw_11ac_capable)
358 extcap->ext_capab[7] |= WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED;
b23bce29
AP		 359}
360
361static void mwifiex_tdls_add_qos_capab(struct sk_buff *skb)
362{
363 u8 *pos = (void *)skb_put(skb, 3);
364
365 *pos++ = WLAN_EID_QOS_CAPA;
366 *pos++ = 1;
367 *pos++ = MWIFIEX_TDLS_DEF_QOS_CAPAB;
368}
369
370static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
3b3a0162
JB		 371 const u8 *peer, u8 action_code,
372 u8 dialog_token,
373 u16 status_code, struct sk_buff *skb)
b23bce29
AP		 374{
375 struct ieee80211_tdls_data *tf;
376 int ret;
377 u16 capab;
378 struct ieee80211_ht_cap *ht_cap;
379 u8 radio, *pos;
380
381 capab = priv->curr_bss_params.bss_descriptor.cap_info_bitmap;
382
383 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
384 memcpy(tf->da, peer, ETH_ALEN);
385 memcpy(tf->sa, priv->curr_addr, ETH_ALEN);
386 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
387 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
388
389 switch (action_code) {
390 case WLAN_TDLS_SETUP_REQUEST:
391 tf->category = WLAN_CATEGORY_TDLS;
392 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
393 skb_put(skb, sizeof(tf->u.setup_req));
394 tf->u.setup_req.dialog_token = dialog_token;
395 tf->u.setup_req.capability = cpu_to_le16(capab);
396 ret = mwifiex_tdls_append_rates_ie(priv, skb);
397 if (ret) {
398 dev_kfree_skb_any(skb);
399 return ret;
400 }
401
402 pos = (void *)skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
403 *pos++ = WLAN_EID_HT_CAPABILITY;
404 *pos++ = sizeof(struct ieee80211_ht_cap);
405 ht_cap = (void *)pos;
406 radio = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
407 ret = mwifiex_fill_cap_info(priv, radio, ht_cap);
408 if (ret) {
409 dev_kfree_skb_any(skb);
410 return ret;
411 }
412
5f6d5983
AP		 413 if (priv->adapter->is_hw_11ac_capable) {
414 ret = mwifiex_tdls_add_vht_capab(priv, skb);
415 if (ret) {
416 dev_kfree_skb_any(skb);
417 return ret;
418 }
419 mwifiex_tdls_add_aid(priv, skb);
420 }
421
422 mwifiex_tdls_add_ext_capab(priv, skb);
b23bce29
AP		 423 mwifiex_tdls_add_qos_capab(skb);
424 break;
425
426 case WLAN_TDLS_SETUP_RESPONSE:
427 tf->category = WLAN_CATEGORY_TDLS;
428 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
429 skb_put(skb, sizeof(tf->u.setup_resp));
430 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
431 tf->u.setup_resp.dialog_token = dialog_token;
432 tf->u.setup_resp.capability = cpu_to_le16(capab);
433 ret = mwifiex_tdls_append_rates_ie(priv, skb);
434 if (ret) {
435 dev_kfree_skb_any(skb);
436 return ret;
437 }
438
439 pos = (void *)skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
440 *pos++ = WLAN_EID_HT_CAPABILITY;
441 *pos++ = sizeof(struct ieee80211_ht_cap);
442 ht_cap = (void *)pos;
443 radio = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
444 ret = mwifiex_fill_cap_info(priv, radio, ht_cap);
445 if (ret) {
446 dev_kfree_skb_any(skb);
447 return ret;
448 }
449
5f6d5983
AP		 450 if (priv->adapter->is_hw_11ac_capable) {
451 ret = mwifiex_tdls_add_vht_capab(priv, skb);
452 if (ret) {
453 dev_kfree_skb_any(skb);
454 return ret;
455 }
456 mwifiex_tdls_add_aid(priv, skb);
457 }
458
459 mwifiex_tdls_add_ext_capab(priv, skb);
b23bce29
AP		 460 mwifiex_tdls_add_qos_capab(skb);
461 break;
462
463 case WLAN_TDLS_SETUP_CONFIRM:
464 tf->category = WLAN_CATEGORY_TDLS;
465 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
466 skb_put(skb, sizeof(tf->u.setup_cfm));
467 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
468 tf->u.setup_cfm.dialog_token = dialog_token;
5f6d5983
AP		 469 if (priv->adapter->is_hw_11ac_capable) {
470 ret = mwifiex_tdls_add_vht_oper(priv, peer, skb);
471 if (ret) {
472 dev_kfree_skb_any(skb);
473 return ret;
474 }
396939f9
AP		 475 ret = mwifiex_tdls_add_ht_oper(priv, peer, 1, skb);
476 if (ret) {
477 dev_kfree_skb_any(skb);
478 return ret;
479 }
480 } else {
481 ret = mwifiex_tdls_add_ht_oper(priv, peer, 0, skb);
482 if (ret) {
483 dev_kfree_skb_any(skb);
484 return ret;
485 }
5f6d5983 486 }
b23bce29
AP		 487 break;
488
489 case WLAN_TDLS_TEARDOWN:
490 tf->category = WLAN_CATEGORY_TDLS;
491 tf->action_code = WLAN_TDLS_TEARDOWN;
492 skb_put(skb, sizeof(tf->u.teardown));
493 tf->u.teardown.reason_code = cpu_to_le16(status_code);
494 break;
495
496 case WLAN_TDLS_DISCOVERY_REQUEST:
497 tf->category = WLAN_CATEGORY_TDLS;
498 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
499 skb_put(skb, sizeof(tf->u.discover_req));
500 tf->u.discover_req.dialog_token = dialog_token;
501 break;
502 default:
503 dev_err(priv->adapter->dev, "Unknown TDLS frame type.\n");
504 return -EINVAL;
505 }
506
507 return 0;
508}
509
510static void
3b3a0162
JB		 511mwifiex_tdls_add_link_ie(struct sk_buff *skb, const u8 *src_addr,
512 const u8 *peer, const u8 *bssid)
b23bce29
AP		 513{
514 struct ieee80211_tdls_lnkie *lnkid;
515
516 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
517 lnkid->ie_type = WLAN_EID_LINK_ID;
518 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) -
519 sizeof(struct ieee_types_header);
520
521 memcpy(lnkid->bssid, bssid, ETH_ALEN);
522 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
523 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
524}
525
3b3a0162
JB		 526int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer,
527 u8 action_code, u8 dialog_token,
b23bce29
AP		 528 u16 status_code, const u8 *extra_ies,
529 size_t extra_ies_len)
530{
531 struct sk_buff *skb;
532 struct mwifiex_txinfo *tx_info;
b23bce29
AP		 533 int ret;
534 u16 skb_len;
535
536 skb_len = MWIFIEX_MIN_DATA_HEADER_LEN +
537 max(sizeof(struct ieee80211_mgmt),
538 sizeof(struct ieee80211_tdls_data)) +
539 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
540 MWIFIEX_SUPPORTED_RATES +
541 3 + /* Qos Info */
542 sizeof(struct ieee_types_extcap) +
543 sizeof(struct ieee80211_ht_cap) +
544 sizeof(struct ieee_types_bss_co_2040) +
545 sizeof(struct ieee80211_ht_operation) +
546 sizeof(struct ieee80211_tdls_lnkie) +
547 extra_ies_len;
548
5f6d5983
AP		 549 if (priv->adapter->is_hw_11ac_capable)
550 skb_len += sizeof(struct ieee_types_vht_cap) +
551 sizeof(struct ieee_types_vht_oper) +
552 sizeof(struct ieee_types_aid);
553
b23bce29
AP		 554 skb = dev_alloc_skb(skb_len);
555 if (!skb) {
556 dev_err(priv->adapter->dev,
557 "allocate skb failed for management frame\n");
558 return -ENOMEM;
559 }
560 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN);
561
562 switch (action_code) {
563 case WLAN_TDLS_SETUP_REQUEST:
564 case WLAN_TDLS_SETUP_CONFIRM:
565 case WLAN_TDLS_TEARDOWN:
566 case WLAN_TDLS_DISCOVERY_REQUEST:
567 ret = mwifiex_prep_tdls_encap_data(priv, peer, action_code,
568 dialog_token, status_code,
569 skb);
570 if (ret) {
571 dev_kfree_skb_any(skb);
572 return ret;
573 }
574 if (extra_ies_len)
575 memcpy(skb_put(skb, extra_ies_len), extra_ies,
576 extra_ies_len);
577 mwifiex_tdls_add_link_ie(skb, priv->curr_addr, peer,
578 priv->cfg_bssid);
579 break;
580 case WLAN_TDLS_SETUP_RESPONSE:
581 ret = mwifiex_prep_tdls_encap_data(priv, peer, action_code,
582 dialog_token, status_code,
583 skb);
584 if (ret) {
585 dev_kfree_skb_any(skb);
586 return ret;
587 }
588 if (extra_ies_len)
589 memcpy(skb_put(skb, extra_ies_len), extra_ies,
590 extra_ies_len);
591 mwifiex_tdls_add_link_ie(skb, peer, priv->curr_addr,
592 priv->cfg_bssid);
593 break;
594 }
595
596 switch (action_code) {
597 case WLAN_TDLS_SETUP_REQUEST:
598 case WLAN_TDLS_SETUP_RESPONSE:
599 skb->priority = MWIFIEX_PRIO_BK;
600 break;
601 default:
602 skb->priority = MWIFIEX_PRIO_VI;
603 break;
604 }
605
606 tx_info = MWIFIEX_SKB_TXCB(skb);
607 tx_info->bss_num = priv->bss_num;
608 tx_info->bss_type = priv->bss_type;
609
c64800e7 610 __net_timestamp(skb);
b23bce29
AP		 611 mwifiex_queue_tx_pkt(priv, skb);
612
613 return 0;
614}
615
616static int
3b3a0162
JB		 617mwifiex_construct_tdls_action_frame(struct mwifiex_private *priv,
618 const u8 *peer,
b23bce29
AP		 619 u8 action_code, u8 dialog_token,
620 u16 status_code, struct sk_buff *skb)
621{
622 struct ieee80211_mgmt *mgmt;
623 u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
624 int ret;
625 u16 capab;
626 struct ieee80211_ht_cap *ht_cap;
627 u8 radio, *pos;
628
629 capab = priv->curr_bss_params.bss_descriptor.cap_info_bitmap;
630
631 mgmt = (void *)skb_put(skb, offsetof(struct ieee80211_mgmt, u));
632
633 memset(mgmt, 0, 24);
634 memcpy(mgmt->da, peer, ETH_ALEN);
635 memcpy(mgmt->sa, priv->curr_addr, ETH_ALEN);
636 memcpy(mgmt->bssid, priv->cfg_bssid, ETH_ALEN);
637 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
638 IEEE80211_STYPE_ACTION);
639
640 /* add address 4 */
641 pos = skb_put(skb, ETH_ALEN);
642
643 switch (action_code) {
644 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
645 skb_put(skb, sizeof(mgmt->u.action.u.tdls_discover_resp) + 1);
646 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
647 mgmt->u.action.u.tdls_discover_resp.action_code =
648 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
649 mgmt->u.action.u.tdls_discover_resp.dialog_token =
650 dialog_token;
651 mgmt->u.action.u.tdls_discover_resp.capability =
652 cpu_to_le16(capab);
653 /* move back for addr4 */
654 memmove(pos + ETH_ALEN, &mgmt->u.action.category,
655 sizeof(mgmt->u.action.u.tdls_discover_resp));
656 /* init address 4 */
657 memcpy(pos, bc_addr, ETH_ALEN);
658
659 ret = mwifiex_tdls_append_rates_ie(priv, skb);
660 if (ret) {
661 dev_kfree_skb_any(skb);
662 return ret;
663 }
664
665 pos = (void *)skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
666 *pos++ = WLAN_EID_HT_CAPABILITY;
667 *pos++ = sizeof(struct ieee80211_ht_cap);
668 ht_cap = (void *)pos;
669 radio = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
670 ret = mwifiex_fill_cap_info(priv, radio, ht_cap);
671 if (ret) {
672 dev_kfree_skb_any(skb);
673 return ret;
674 }
675
5f6d5983
AP		 676 if (priv->adapter->is_hw_11ac_capable) {
677 ret = mwifiex_tdls_add_vht_capab(priv, skb);
678 if (ret) {
679 dev_kfree_skb_any(skb);
680 return ret;
681 }
682 mwifiex_tdls_add_aid(priv, skb);
683 }
684
685 mwifiex_tdls_add_ext_capab(priv, skb);
b23bce29
AP		 686 mwifiex_tdls_add_qos_capab(skb);
687 break;
688 default:
689 dev_err(priv->adapter->dev, "Unknown TDLS action frame type\n");
690 return -EINVAL;
691 }
692
693 return 0;
694}
695
3b3a0162
JB		 696int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv, const u8 *peer,
697 u8 action_code, u8 dialog_token,
698 u16 status_code, const u8 *extra_ies,
699 size_t extra_ies_len)
b23bce29
AP		 700{
701 struct sk_buff *skb;
702 struct mwifiex_txinfo *tx_info;
b23bce29
AP		 703 u8 *pos;
704 u32 pkt_type, tx_control;
705 u16 pkt_len, skb_len;
706
707 skb_len = MWIFIEX_MIN_DATA_HEADER_LEN +
708 max(sizeof(struct ieee80211_mgmt),
709 sizeof(struct ieee80211_tdls_data)) +
710 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
711 MWIFIEX_SUPPORTED_RATES +
712 sizeof(struct ieee_types_extcap) +
713 sizeof(struct ieee80211_ht_cap) +
714 sizeof(struct ieee_types_bss_co_2040) +
715 sizeof(struct ieee80211_ht_operation) +
716 sizeof(struct ieee80211_tdls_lnkie) +
717 extra_ies_len +
718 3 + /* Qos Info */
719 ETH_ALEN; /* Address4 */
720
5f6d5983
AP		 721 if (priv->adapter->is_hw_11ac_capable)
722 skb_len += sizeof(struct ieee_types_vht_cap) +
723 sizeof(struct ieee_types_vht_oper) +
724 sizeof(struct ieee_types_aid);
725
b23bce29
AP		 726 skb = dev_alloc_skb(skb_len);
727 if (!skb) {
728 dev_err(priv->adapter->dev,
729 "allocate skb failed for management frame\n");
730 return -ENOMEM;
731 }
732
733 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN);
734
735 pkt_type = PKT_TYPE_MGMT;
736 tx_control = 0;
737 pos = skb_put(skb, MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
738 memset(pos, 0, MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
739 memcpy(pos, &pkt_type, sizeof(pkt_type));
740 memcpy(pos + sizeof(pkt_type), &tx_control, sizeof(tx_control));
741
742 if (mwifiex_construct_tdls_action_frame(priv, peer, action_code,
743 dialog_token, status_code,
744 skb)) {
745 dev_kfree_skb_any(skb);
746 return -EINVAL;
747 }
748
749 if (extra_ies_len)
750 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
751
752 /* the TDLS link IE is always added last we are the responder */
753
754 mwifiex_tdls_add_link_ie(skb, peer, priv->curr_addr,
755 priv->cfg_bssid);
756
757 skb->priority = MWIFIEX_PRIO_VI;
758
759 tx_info = MWIFIEX_SKB_TXCB(skb);
760 tx_info->bss_num = priv->bss_num;
761 tx_info->bss_type = priv->bss_type;
762 tx_info->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT;
763
764 pkt_len = skb->len - MWIFIEX_MGMT_FRAME_HEADER_SIZE - sizeof(pkt_len);
765 memcpy(skb->data + MWIFIEX_MGMT_FRAME_HEADER_SIZE, &pkt_len,
766 sizeof(pkt_len));
c64800e7 767 __net_timestamp(skb);
b23bce29
AP		 768 mwifiex_queue_tx_pkt(priv, skb);
769
770 return 0;
771}
5f2caaf3
AP		 772
773/* This function process tdls action frame from peer.
774 * Peer capabilities are stored into station node structure.
775 */
776void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
777 u8 *buf, int len)
778{
779 struct mwifiex_sta_node *sta_ptr;
780 u8 *peer, *pos, *end;
781 u8 i, action, basic;
782 int ie_len = 0;
783
784 if (len < (sizeof(struct ethhdr) + 3))
785 return;
45d18c56 786 if (*(buf + sizeof(struct ethhdr)) != WLAN_TDLS_SNAP_RFTYPE)
5f2caaf3 787 return;
45d18c56 788 if (*(buf + sizeof(struct ethhdr) + 1) != WLAN_CATEGORY_TDLS)
5f2caaf3
AP		 789 return;
790
791 peer = buf + ETH_ALEN;
45d18c56 792 action = *(buf + sizeof(struct ethhdr) + 2);
5f2caaf3
AP		 793
794 /* just handle TDLS setup request/response/confirm */
795 if (action > WLAN_TDLS_SETUP_CONFIRM)
796 return;
797
798 dev_dbg(priv->adapter->dev,
799 "rx:tdls action: peer=%pM, action=%d\n", peer, action);
800
801 sta_ptr = mwifiex_add_sta_entry(priv, peer);
802 if (!sta_ptr)
803 return;
804
805 switch (action) {
806 case WLAN_TDLS_SETUP_REQUEST:
807 if (len < (sizeof(struct ethhdr) + TDLS_REQ_FIX_LEN))
808 return;
809
810 pos = buf + sizeof(struct ethhdr) + 4;
811 /* payload 1+ category 1 + action 1 + dialog 1 */
812 sta_ptr->tdls_cap.capab = cpu_to_le16(*(u16 *)pos);
813 ie_len = len - sizeof(struct ethhdr) - TDLS_REQ_FIX_LEN;
814 pos += 2;
815 break;
816
817 case WLAN_TDLS_SETUP_RESPONSE:
818 if (len < (sizeof(struct ethhdr) + TDLS_RESP_FIX_LEN))
819 return;
820 /* payload 1+ category 1 + action 1 + dialog 1 + status code 2*/
821 pos = buf + sizeof(struct ethhdr) + 6;
822 sta_ptr->tdls_cap.capab = cpu_to_le16(*(u16 *)pos);
823 ie_len = len - sizeof(struct ethhdr) - TDLS_RESP_FIX_LEN;
824 pos += 2;
825 break;
826
827 case WLAN_TDLS_SETUP_CONFIRM:
828 if (len < (sizeof(struct ethhdr) + TDLS_CONFIRM_FIX_LEN))
829 return;
830 pos = buf + sizeof(struct ethhdr) + TDLS_CONFIRM_FIX_LEN;
831 ie_len = len - sizeof(struct ethhdr) - TDLS_CONFIRM_FIX_LEN;
832 break;
833 default:
834 dev_warn(priv->adapter->dev, "Unknown TDLS frame type.\n");
835 return;
836 }
837
838 for (end = pos + ie_len; pos + 1 < end; pos += 2 + pos[1]) {
839 if (pos + 2 + pos[1] > end)
840 break;
841
842 switch (*pos) {
843 case WLAN_EID_SUPP_RATES:
844 sta_ptr->tdls_cap.rates_len = pos[1];
845 for (i = 0; i < pos[1]; i++)
846 sta_ptr->tdls_cap.rates[i] = pos[i + 2];
847 break;
848
849 case WLAN_EID_EXT_SUPP_RATES:
850 basic = sta_ptr->tdls_cap.rates_len;
851 for (i = 0; i < pos[1]; i++)
852 sta_ptr->tdls_cap.rates[basic + i] = pos[i + 2];
853 sta_ptr->tdls_cap.rates_len += pos[1];
854 break;
855 case WLAN_EID_HT_CAPABILITY:
856 memcpy((u8 *)&sta_ptr->tdls_cap.ht_capb, pos,
857 sizeof(struct ieee80211_ht_cap));
858 sta_ptr->is_11n_enabled = 1;
859 break;
860 case WLAN_EID_HT_OPERATION:
861 memcpy(&sta_ptr->tdls_cap.ht_oper, pos,
862 sizeof(struct ieee80211_ht_operation));
863 break;
864 case WLAN_EID_BSS_COEX_2040:
865 sta_ptr->tdls_cap.coex_2040 = pos[2];
866 break;
867 case WLAN_EID_EXT_CAPABILITY:
868 memcpy((u8 *)&sta_ptr->tdls_cap.extcap, pos,
869 sizeof(struct ieee_types_header) +
870 min_t(u8, pos[1], 8));
871 break;
872 case WLAN_EID_RSN:
873 memcpy((u8 *)&sta_ptr->tdls_cap.rsn_ie, pos,
874 sizeof(struct ieee_types_header) + pos[1]);
875 break;
876 case WLAN_EID_QOS_CAPA:
877 sta_ptr->tdls_cap.qos_info = pos[2];
878 break;
5f6d5983
AP		 879 case WLAN_EID_VHT_OPERATION:
880 if (priv->adapter->is_hw_11ac_capable)
881 memcpy(&sta_ptr->tdls_cap.vhtoper, pos,
882 sizeof(struct ieee80211_vht_operation));
883 break;
884 case WLAN_EID_VHT_CAPABILITY:
885 if (priv->adapter->is_hw_11ac_capable) {
886 memcpy((u8 *)&sta_ptr->tdls_cap.vhtcap, pos,
887 sizeof(struct ieee80211_vht_cap));
888 sta_ptr->is_11ac_enabled = 1;
889 }
890 break;
891 case WLAN_EID_AID:
892 if (priv->adapter->is_hw_11ac_capable)
893 sta_ptr->tdls_cap.aid =
894 le16_to_cpu(*(__le16 *)(pos + 2));
5f2caaf3
AP		 895 default:
896 break;
897 }
898 }
899
900 return;
901}
429d90d2 902
1f4dfd8a 903static int
3b3a0162 904mwifiex_tdls_process_config_link(struct mwifiex_private *priv, const u8 *peer)
1f4dfd8a
AP		 905{
906 struct mwifiex_sta_node *sta_ptr;
907 struct mwifiex_ds_tdls_oper tdls_oper;
908
909 memset(&tdls_oper, 0, sizeof(struct mwifiex_ds_tdls_oper));
910 sta_ptr = mwifiex_get_sta_entry(priv, peer);
911
912 if (!sta_ptr || sta_ptr->tdls_status == TDLS_SETUP_FAILURE) {
913 dev_err(priv->adapter->dev,
914 "link absent for peer %pM; cannot config\n", peer);
915 return -EINVAL;
916 }
917
918 memcpy(&tdls_oper.peer_mac, peer, ETH_ALEN);
919 tdls_oper.tdls_action = MWIFIEX_TDLS_CONFIG_LINK;
fa0ecbb9
BZ		 920 return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_OPER,
921 HostCmd_ACT_GEN_SET, 0, &tdls_oper, true);
1f4dfd8a
AP		 922}
923
e48e0de0 924static int
3b3a0162 925mwifiex_tdls_process_create_link(struct mwifiex_private *priv, const u8 *peer)
e48e0de0
AP		 926{
927 struct mwifiex_sta_node *sta_ptr;
928 struct mwifiex_ds_tdls_oper tdls_oper;
929
930 memset(&tdls_oper, 0, sizeof(struct mwifiex_ds_tdls_oper));
931 sta_ptr = mwifiex_get_sta_entry(priv, peer);
932
933 if (sta_ptr && sta_ptr->tdls_status == TDLS_SETUP_INPROGRESS) {
934 dev_dbg(priv->adapter->dev,
935 "Setup already in progress for peer %pM\n", peer);
936 return 0;
937 }
938
939 sta_ptr = mwifiex_add_sta_entry(priv, peer);
940 if (!sta_ptr)
941 return -ENOMEM;
942
943 sta_ptr->tdls_status = TDLS_SETUP_INPROGRESS;
56bd24a1 944 mwifiex_hold_tdls_packets(priv, peer);
e48e0de0
AP		 945 memcpy(&tdls_oper.peer_mac, peer, ETH_ALEN);
946 tdls_oper.tdls_action = MWIFIEX_TDLS_CREATE_LINK;
fa0ecbb9
BZ		 947 return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_OPER,
948 HostCmd_ACT_GEN_SET, 0, &tdls_oper, true);
e48e0de0
AP		 949}
950
429d90d2 951static int
3b3a0162 952mwifiex_tdls_process_disable_link(struct mwifiex_private *priv, const u8 *peer)
429d90d2
AP		 953{
954 struct mwifiex_sta_node *sta_ptr;
955 struct mwifiex_ds_tdls_oper tdls_oper;
956 unsigned long flags;
957
958 memset(&tdls_oper, 0, sizeof(struct mwifiex_ds_tdls_oper));
959 sta_ptr = mwifiex_get_sta_entry(priv, peer);
960
961 if (sta_ptr) {
962 if (sta_ptr->is_11n_enabled) {
963 mwifiex_11n_cleanup_reorder_tbl(priv);
964 spin_lock_irqsave(&priv->wmm.ra_list_spinlock,
965 flags);
966 mwifiex_11n_delete_all_tx_ba_stream_tbl(priv);
967 spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
968 flags);
969 }
970 mwifiex_del_sta_entry(priv, peer);
971 }
972
56bd24a1 973 mwifiex_restore_tdls_packets(priv, peer, TDLS_LINK_TEARDOWN);
429d90d2
AP		 974 memcpy(&tdls_oper.peer_mac, peer, ETH_ALEN);
975 tdls_oper.tdls_action = MWIFIEX_TDLS_DISABLE_LINK;
fa0ecbb9
BZ		 976 return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_OPER,
977 HostCmd_ACT_GEN_SET, 0, &tdls_oper, true);
429d90d2
AP		 978}
979
980static int
3b3a0162 981mwifiex_tdls_process_enable_link(struct mwifiex_private *priv, const u8 *peer)
429d90d2
AP		 982{
983 struct mwifiex_sta_node *sta_ptr;
984 struct ieee80211_mcs_info mcs;
985 unsigned long flags;
986 int i;
987
988 sta_ptr = mwifiex_get_sta_entry(priv, peer);
989
990 if (sta_ptr && (sta_ptr->tdls_status != TDLS_SETUP_FAILURE)) {
991 dev_dbg(priv->adapter->dev,
992 "tdls: enable link %pM success\n", peer);
993
994 sta_ptr->tdls_status = TDLS_SETUP_COMPLETE;
995
996 mcs = sta_ptr->tdls_cap.ht_capb.mcs;
997 if (mcs.rx_mask[0] != 0xff)
998 sta_ptr->is_11n_enabled = true;
999 if (sta_ptr->is_11n_enabled) {
1000 if (le16_to_cpu(sta_ptr->tdls_cap.ht_capb.cap_info) &
1001 IEEE80211_HT_CAP_MAX_AMSDU)
1002 sta_ptr->max_amsdu =
1003 MWIFIEX_TX_DATA_BUF_SIZE_8K;
1004 else
1005 sta_ptr->max_amsdu =
1006 MWIFIEX_TX_DATA_BUF_SIZE_4K;
1007
1008 for (i = 0; i < MAX_NUM_TID; i++)
1009 sta_ptr->ampdu_sta[i] =
1010 priv->aggr_prio_tbl[i].ampdu_user;
1011 } else {
1012 for (i = 0; i < MAX_NUM_TID; i++)
1013 sta_ptr->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED;
1014 }
1015
1016 memset(sta_ptr->rx_seq, 0xff, sizeof(sta_ptr->rx_seq));
56bd24a1 1017 mwifiex_restore_tdls_packets(priv, peer, TDLS_SETUP_COMPLETE);
429d90d2
AP		 1018 } else {
1019 dev_dbg(priv->adapter->dev,
1020 "tdls: enable link %pM failed\n", peer);
1021 if (sta_ptr) {
1022 mwifiex_11n_cleanup_reorder_tbl(priv);
1023 spin_lock_irqsave(&priv->wmm.ra_list_spinlock,
1024 flags);
1025 mwifiex_11n_delete_all_tx_ba_stream_tbl(priv);
1026 spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
1027 flags);
1028 mwifiex_del_sta_entry(priv, peer);
1029 }
56bd24a1 1030 mwifiex_restore_tdls_packets(priv, peer, TDLS_LINK_TEARDOWN);
429d90d2
AP		 1031
1032 return -1;
1033 }
1034
1035 return 0;
1036}
1037
3b3a0162 1038int mwifiex_tdls_oper(struct mwifiex_private *priv, const u8 *peer, u8 action)
429d90d2
AP		 1039{
1040 switch (action) {
1041 case MWIFIEX_TDLS_ENABLE_LINK:
1042 return mwifiex_tdls_process_enable_link(priv, peer);
1043 case MWIFIEX_TDLS_DISABLE_LINK:
1044 return mwifiex_tdls_process_disable_link(priv, peer);
e48e0de0
AP		 1045 case MWIFIEX_TDLS_CREATE_LINK:
1046 return mwifiex_tdls_process_create_link(priv, peer);
1f4dfd8a
AP		 1047 case MWIFIEX_TDLS_CONFIG_LINK:
1048 return mwifiex_tdls_process_config_link(priv, peer);
429d90d2
AP		 1049 }
1050 return 0;
1051}
d63bf5e5 1052
3b3a0162 1053int mwifiex_get_tdls_link_status(struct mwifiex_private *priv, const u8 *mac)
d63bf5e5
AP		 1054{
1055 struct mwifiex_sta_node *sta_ptr;
1056
1057 sta_ptr = mwifiex_get_sta_entry(priv, mac);
1058 if (sta_ptr)
1059 return sta_ptr->tdls_status;
1060
1061 return TDLS_NOT_SETUP;
1062}
be104b91
AP		 1063
1064void mwifiex_disable_all_tdls_links(struct mwifiex_private *priv)
1065{
1066 struct mwifiex_sta_node *sta_ptr;
1067 struct mwifiex_ds_tdls_oper tdls_oper;
1068 unsigned long flags;
1069
1070 if (list_empty(&priv->sta_list))
1071 return;
1072
1073 list_for_each_entry(sta_ptr, &priv->sta_list, list) {
1074 memset(&tdls_oper, 0, sizeof(struct mwifiex_ds_tdls_oper));
1075
1076 if (sta_ptr->is_11n_enabled) {
1077 mwifiex_11n_cleanup_reorder_tbl(priv);
1078 spin_lock_irqsave(&priv->wmm.ra_list_spinlock,
1079 flags);
1080 mwifiex_11n_delete_all_tx_ba_stream_tbl(priv);
1081 spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
1082 flags);
1083 }
1084
1085 mwifiex_restore_tdls_packets(priv, sta_ptr->mac_addr,
1086 TDLS_LINK_TEARDOWN);
1087 memcpy(&tdls_oper.peer_mac, sta_ptr->mac_addr, ETH_ALEN);
1088 tdls_oper.tdls_action = MWIFIEX_TDLS_DISABLE_LINK;
fa0ecbb9
BZ		 1089 if (mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_OPER,
1090 HostCmd_ACT_GEN_SET, 0, &tdls_oper, false))
be104b91
AP		 1091 dev_warn(priv->adapter->dev,
1092 "Disable link failed for TDLS peer %pM",
1093 sta_ptr->mac_addr);
1094 }
1095
1096 mwifiex_del_all_sta_list(priv);
1097}
Linux kernel - Deliverables
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