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mwifiex: drop most magic numbers from mwifiex_process_tdls_action_frame()
[mirror_ubuntu-jammy-kernel.git] / drivers / net / wireless / marvell / 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
16fa5e65 27#define MWIFIEX_TDLS_WMM_INFO_SIZE 7
b23bce29 28
3b3a0162
JB		 29static void mwifiex_restore_tdls_packets(struct mwifiex_private *priv,
30 const u8 *mac, u8 status)
56bd24a1
AP		 31{
32 struct mwifiex_ra_list_tbl *ra_list;
33 struct list_head *tid_list;
34 struct sk_buff *skb, *tmp;
35 struct mwifiex_txinfo *tx_info;
56bd24a1
AP		 36 u32 tid;
37 u8 tid_down;
38
acebe8c1 39 mwifiex_dbg(priv->adapter, DATA, "%s: %pM\n", __func__, mac);
8a7f9fd8 40 spin_lock_bh(&priv->wmm.ra_list_spinlock);
56bd24a1
AP		 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
55a2c077 51 if (mwifiex_is_tdls_link_setup(status)) {
56bd24a1 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;
01926202
SL		 57 ra_list = list_first_entry_or_null(tid_list,
58 struct mwifiex_ra_list_tbl, list);
56bd24a1
AP		 59 tx_info->flags &= ~MWIFIEX_BUF_FLAG_TDLS_PKT;
60 }
61
62 if (!ra_list) {
63 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
64 continue;
65 }
66
67 skb_queue_tail(&ra_list->skb_head, skb);
68
69 ra_list->ba_pkt_count++;
70 ra_list->total_pkt_count++;
71
72 if (atomic_read(&priv->wmm.highest_queued_prio) <
73 tos_to_tid_inv[tid_down])
74 atomic_set(&priv->wmm.highest_queued_prio,
75 tos_to_tid_inv[tid_down]);
76
77 atomic_inc(&priv->wmm.tx_pkts_queued);
78 }
79
8a7f9fd8 80 spin_unlock_bh(&priv->wmm.ra_list_spinlock);
56bd24a1
AP		 81 return;
82}
83
3b3a0162
JB		 84static void mwifiex_hold_tdls_packets(struct mwifiex_private *priv,
85 const u8 *mac)
56bd24a1
AP		 86{
87 struct mwifiex_ra_list_tbl *ra_list;
88 struct list_head *ra_list_head;
89 struct sk_buff *skb, *tmp;
56bd24a1
AP		 90 int i;
91
acebe8c1 92 mwifiex_dbg(priv->adapter, DATA, "%s: %pM\n", __func__, mac);
8a7f9fd8 93 spin_lock_bh(&priv->wmm.ra_list_spinlock);
56bd24a1
AP		 94
95 for (i = 0; i < MAX_NUM_TID; i++) {
96 if (!list_empty(&priv->wmm.tid_tbl_ptr[i].ra_list)) {
97 ra_list_head = &priv->wmm.tid_tbl_ptr[i].ra_list;
98 list_for_each_entry(ra_list, ra_list_head, list) {
99 skb_queue_walk_safe(&ra_list->skb_head, skb,
100 tmp) {
101 if (!ether_addr_equal(mac, skb->data))
102 continue;
103 __skb_unlink(skb, &ra_list->skb_head);
104 atomic_dec(&priv->wmm.tx_pkts_queued);
105 ra_list->total_pkt_count--;
106 skb_queue_tail(&priv->tdls_txq, skb);
107 }
108 }
109 }
110 }
111
8a7f9fd8 112 spin_unlock_bh(&priv->wmm.ra_list_spinlock);
56bd24a1
AP		 113 return;
114}
115
b23bce29
AP		 116/* This function appends rate TLV to scan config command. */
117static int
118mwifiex_tdls_append_rates_ie(struct mwifiex_private *priv,
119 struct sk_buff *skb)
120{
121 u8 rates[MWIFIEX_SUPPORTED_RATES], *pos;
122 u16 rates_size, supp_rates_size, ext_rates_size;
123
124 memset(rates, 0, sizeof(rates));
125 rates_size = mwifiex_get_supported_rates(priv, rates);
126
127 supp_rates_size = min_t(u16, rates_size, MWIFIEX_TDLS_SUPPORTED_RATES);
128
129 if (skb_tailroom(skb) < rates_size + 4) {
acebe8c1 130 mwifiex_dbg(priv->adapter, ERROR,
17830147 131 "Insufficient space while adding rates\n");
b23bce29
AP		 132 return -ENOMEM;
133 }
134
135 pos = skb_put(skb, supp_rates_size + 2);
136 *pos++ = WLAN_EID_SUPP_RATES;
137 *pos++ = supp_rates_size;
138 memcpy(pos, rates, supp_rates_size);
139
140 if (rates_size > MWIFIEX_TDLS_SUPPORTED_RATES) {
141 ext_rates_size = rates_size - MWIFIEX_TDLS_SUPPORTED_RATES;
142 pos = skb_put(skb, ext_rates_size + 2);
143 *pos++ = WLAN_EID_EXT_SUPP_RATES;
144 *pos++ = ext_rates_size;
145 memcpy(pos, rates + MWIFIEX_TDLS_SUPPORTED_RATES,
146 ext_rates_size);
147 }
148
149 return 0;
150}
151
5f6d5983
AP		 152static void mwifiex_tdls_add_aid(struct mwifiex_private *priv,
153 struct sk_buff *skb)
154{
155 struct ieee_types_assoc_rsp *assoc_rsp;
156 u8 *pos;
157
158 assoc_rsp = (struct ieee_types_assoc_rsp *)&priv->assoc_rsp_buf;
4df864c1 159 pos = skb_put(skb, 4);
5f6d5983
AP		 160 *pos++ = WLAN_EID_AID;
161 *pos++ = 2;
3afafd6d 162 memcpy(pos, &assoc_rsp->a_id, sizeof(assoc_rsp->a_id));
5f6d5983
AP		 163
164 return;
165}
166
167static int mwifiex_tdls_add_vht_capab(struct mwifiex_private *priv,
168 struct sk_buff *skb)
169{
170 struct ieee80211_vht_cap vht_cap;
171 u8 *pos;
172
4df864c1 173 pos = skb_put(skb, sizeof(struct ieee80211_vht_cap) + 2);
5f6d5983
AP		 174 *pos++ = WLAN_EID_VHT_CAPABILITY;
175 *pos++ = sizeof(struct ieee80211_vht_cap);
176
177 memset(&vht_cap, 0, sizeof(struct ieee80211_vht_cap));
178
179 mwifiex_fill_vht_cap_tlv(priv, &vht_cap, priv->curr_bss_params.band);
c42c65c1 180 memcpy(pos, &vht_cap, sizeof(vht_cap));
5f6d5983
AP		 181
182 return 0;
183}
184
396939f9 185static int
ef1b075c 186mwifiex_tdls_add_ht_oper(struct mwifiex_private *priv, const u8 *mac,
396939f9
AP		 187 u8 vht_enabled, struct sk_buff *skb)
188{
189 struct ieee80211_ht_operation *ht_oper;
190 struct mwifiex_sta_node *sta_ptr;
191 struct mwifiex_bssdescriptor *bss_desc =
192 &priv->curr_bss_params.bss_descriptor;
193 u8 *pos;
194
195 sta_ptr = mwifiex_get_sta_entry(priv, mac);
196 if (unlikely(!sta_ptr)) {
acebe8c1
ZL		 197 mwifiex_dbg(priv->adapter, ERROR,
198 "TDLS peer station not found in list\n");
396939f9
AP		 199 return -1;
200 }
201
2c3da961
AN		 202 if (!(le16_to_cpu(sta_ptr->tdls_cap.ht_capb.cap_info))) {
203 mwifiex_dbg(priv->adapter, WARN,
204 "TDLS peer doesn't support ht capabilities\n");
205 return 0;
206 }
207
4df864c1 208 pos = skb_put(skb, sizeof(struct ieee80211_ht_operation) + 2);
396939f9
AP		 209 *pos++ = WLAN_EID_HT_OPERATION;
210 *pos++ = sizeof(struct ieee80211_ht_operation);
211 ht_oper = (void *)pos;
212
213 ht_oper->primary_chan = bss_desc->channel;
214
215 /* follow AP's channel bandwidth */
216 if (ISSUPP_CHANWIDTH40(priv->adapter->hw_dot_11n_dev_cap) &&
217 bss_desc->bcn_ht_cap &&
218 ISALLOWED_CHANWIDTH40(bss_desc->bcn_ht_oper->ht_param))
219 ht_oper->ht_param = bss_desc->bcn_ht_oper->ht_param;
220
221 if (vht_enabled) {
222 ht_oper->ht_param =
223 mwifiex_get_sec_chan_offset(bss_desc->channel);
224 ht_oper->ht_param |= BIT(2);
225 }
226
227 memcpy(&sta_ptr->tdls_cap.ht_oper, ht_oper,
228 sizeof(struct ieee80211_ht_operation));
229
230 return 0;
231}
232
5f6d5983 233static int mwifiex_tdls_add_vht_oper(struct mwifiex_private *priv,
3b3a0162 234 const u8 *mac, struct sk_buff *skb)
5f6d5983
AP		 235{
236 struct mwifiex_bssdescriptor *bss_desc;
237 struct ieee80211_vht_operation *vht_oper;
238 struct ieee80211_vht_cap *vht_cap, *ap_vht_cap = NULL;
239 struct mwifiex_sta_node *sta_ptr;
240 struct mwifiex_adapter *adapter = priv->adapter;
241 u8 supp_chwd_set, peer_supp_chwd_set;
242 u8 *pos, ap_supp_chwd_set, chan_bw;
243 u16 mcs_map_user, mcs_map_resp, mcs_map_result;
244 u16 mcs_user, mcs_resp, nss;
245 u32 usr_vht_cap_info;
246
247 bss_desc = &priv->curr_bss_params.bss_descriptor;
248
249 sta_ptr = mwifiex_get_sta_entry(priv, mac);
250 if (unlikely(!sta_ptr)) {
acebe8c1
ZL		 251 mwifiex_dbg(adapter, ERROR,
252 "TDLS peer station not found in list\n");
5f6d5983
AP		 253 return -1;
254 }
255
2c3da961
AN		 256 if (!(le32_to_cpu(sta_ptr->tdls_cap.vhtcap.vht_cap_info))) {
257 mwifiex_dbg(adapter, WARN,
258 "TDLS peer doesn't support vht capabilities\n");
259 return 0;
260 }
261
5f6d5983
AP		 262 if (!mwifiex_is_bss_in_11ac_mode(priv)) {
263 if (sta_ptr->tdls_cap.extcap.ext_capab[7] &
264 WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) {
acebe8c1
ZL		 265 mwifiex_dbg(adapter, WARN,
266 "TDLS peer doesn't support wider bandwidth\n");
5f6d5983
AP		 267 return 0;
268 }
269 } else {
270 ap_vht_cap = bss_desc->bcn_vht_cap;
271 }
272
4df864c1 273 pos = skb_put(skb, sizeof(struct ieee80211_vht_operation) + 2);
5f6d5983
AP		 274 *pos++ = WLAN_EID_VHT_OPERATION;
275 *pos++ = sizeof(struct ieee80211_vht_operation);
276 vht_oper = (struct ieee80211_vht_operation *)pos;
277
278 if (bss_desc->bss_band & BAND_A)
279 usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_a;
280 else
281 usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_bg;
282
f8df33da 283 /* find the minimum bandwidth between AP/TDLS peers */
5f6d5983
AP		 284 vht_cap = &sta_ptr->tdls_cap.vhtcap;
285 supp_chwd_set = GET_VHTCAP_CHWDSET(usr_vht_cap_info);
286 peer_supp_chwd_set =
287 GET_VHTCAP_CHWDSET(le32_to_cpu(vht_cap->vht_cap_info));
288 supp_chwd_set = min_t(u8, supp_chwd_set, peer_supp_chwd_set);
289
290 /* We need check AP's bandwidth when TDLS_WIDER_BANDWIDTH is off */
291
292 if (ap_vht_cap && sta_ptr->tdls_cap.extcap.ext_capab[7] &
293 WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) {
294 ap_supp_chwd_set =
295 GET_VHTCAP_CHWDSET(le32_to_cpu(ap_vht_cap->vht_cap_info));
296 supp_chwd_set = min_t(u8, supp_chwd_set, ap_supp_chwd_set);
297 }
298
299 switch (supp_chwd_set) {
300 case IEEE80211_VHT_CHANWIDTH_80MHZ:
301 vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_80MHZ;
302 break;
303 case IEEE80211_VHT_CHANWIDTH_160MHZ:
304 vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_160MHZ;
305 break;
306 case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
307 vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_80P80MHZ;
308 break;
309 default:
310 vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_USE_HT;
311 break;
312 }
313
314 mcs_map_user = GET_DEVRXMCSMAP(adapter->usr_dot_11ac_mcs_support);
315 mcs_map_resp = le16_to_cpu(vht_cap->supp_mcs.rx_mcs_map);
316 mcs_map_result = 0;
317
318 for (nss = 1; nss <= 8; nss++) {
319 mcs_user = GET_VHTNSSMCS(mcs_map_user, nss);
320 mcs_resp = GET_VHTNSSMCS(mcs_map_resp, nss);
321
322 if ((mcs_user == IEEE80211_VHT_MCS_NOT_SUPPORTED) ||
323 (mcs_resp == IEEE80211_VHT_MCS_NOT_SUPPORTED))
324 SET_VHTNSSMCS(mcs_map_result, nss,
325 IEEE80211_VHT_MCS_NOT_SUPPORTED);
326 else
327 SET_VHTNSSMCS(mcs_map_result, nss,
328 min_t(u16, mcs_user, mcs_resp));
329 }
330
331 vht_oper->basic_mcs_set = cpu_to_le16(mcs_map_result);
332
333 switch (vht_oper->chan_width) {
334 case IEEE80211_VHT_CHANWIDTH_80MHZ:
335 chan_bw = IEEE80211_VHT_CHANWIDTH_80MHZ;
336 break;
337 case IEEE80211_VHT_CHANWIDTH_160MHZ:
338 chan_bw = IEEE80211_VHT_CHANWIDTH_160MHZ;
339 break;
340 case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
341 chan_bw = IEEE80211_VHT_CHANWIDTH_80MHZ;
342 break;
343 default:
344 chan_bw = IEEE80211_VHT_CHANWIDTH_USE_HT;
345 break;
346 }
2fb51c35 347 vht_oper->center_freq_seg0_idx =
5f6d5983
AP		 348 mwifiex_get_center_freq_index(priv, BAND_AAC,
349 bss_desc->channel,
350 chan_bw);
351
352 return 0;
353}
354
355static void mwifiex_tdls_add_ext_capab(struct mwifiex_private *priv,
356 struct sk_buff *skb)
b23bce29
AP		 357{
358 struct ieee_types_extcap *extcap;
359
4df864c1 360 extcap = skb_put(skb, sizeof(struct ieee_types_extcap));
b23bce29
AP		 361 extcap->ieee_hdr.element_id = WLAN_EID_EXT_CAPABILITY;
362 extcap->ieee_hdr.len = 8;
363 memset(extcap->ext_capab, 0, 8);
364 extcap->ext_capab[4] |= WLAN_EXT_CAPA5_TDLS_ENABLED;
20834343 365 extcap->ext_capab[3] |= WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH;
5f6d5983
AP		 366
367 if (priv->adapter->is_hw_11ac_capable)
368 extcap->ext_capab[7] |= WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED;
b23bce29
AP		 369}
370
371static void mwifiex_tdls_add_qos_capab(struct sk_buff *skb)
372{
4df864c1 373 u8 *pos = skb_put(skb, 3);
b23bce29
AP		 374
375 *pos++ = WLAN_EID_QOS_CAPA;
376 *pos++ = 1;
377 *pos++ = MWIFIEX_TDLS_DEF_QOS_CAPAB;
378}
379
16fa5e65
AP		 380static void
381mwifiex_tdls_add_wmm_param_ie(struct mwifiex_private *priv, struct sk_buff *skb)
382{
383 struct ieee80211_wmm_param_ie *wmm;
384 u8 ac_vi[] = {0x42, 0x43, 0x5e, 0x00};
385 u8 ac_vo[] = {0x62, 0x32, 0x2f, 0x00};
386 u8 ac_be[] = {0x03, 0xa4, 0x00, 0x00};
387 u8 ac_bk[] = {0x27, 0xa4, 0x00, 0x00};
388
b080db58 389 wmm = skb_put_zero(skb, sizeof(*wmm));
16fa5e65
AP		 390
391 wmm->element_id = WLAN_EID_VENDOR_SPECIFIC;
392 wmm->len = sizeof(*wmm) - 2;
393 wmm->oui[0] = 0x00; /* Microsoft OUI 00:50:F2 */
394 wmm->oui[1] = 0x50;
395 wmm->oui[2] = 0xf2;
396 wmm->oui_type = 2; /* WME */
397 wmm->oui_subtype = 1; /* WME param */
398 wmm->version = 1; /* WME ver */
399 wmm->qos_info = 0; /* U-APSD not in use */
400
401 /* use default WMM AC parameters for TDLS link*/
402 memcpy(&wmm->ac[0], ac_be, sizeof(ac_be));
403 memcpy(&wmm->ac[1], ac_bk, sizeof(ac_bk));
404 memcpy(&wmm->ac[2], ac_vi, sizeof(ac_vi));
405 memcpy(&wmm->ac[3], ac_vo, sizeof(ac_vo));
406}
407
408static void
409mwifiex_add_wmm_info_ie(struct mwifiex_private *priv, struct sk_buff *skb,
410 u8 qosinfo)
411{
412 u8 *buf;
413
4df864c1
JB		 414 buf = skb_put(skb,
415 MWIFIEX_TDLS_WMM_INFO_SIZE + sizeof(struct ieee_types_header));
16fa5e65
AP		 416
417 *buf++ = WLAN_EID_VENDOR_SPECIFIC;
418 *buf++ = 7; /* len */
419 *buf++ = 0x00; /* Microsoft OUI 00:50:F2 */
420 *buf++ = 0x50;
421 *buf++ = 0xf2;
422 *buf++ = 2; /* WME */
423 *buf++ = 0; /* WME info */
424 *buf++ = 1; /* WME ver */
425 *buf++ = qosinfo; /* U-APSD no in use */
426}
427
38c51d03
KA		 428static void mwifiex_tdls_add_bss_co_2040(struct sk_buff *skb)
429{
430 struct ieee_types_bss_co_2040 *bssco;
431
4df864c1 432 bssco = skb_put(skb, sizeof(struct ieee_types_bss_co_2040));
38c51d03
KA		 433 bssco->ieee_hdr.element_id = WLAN_EID_BSS_COEX_2040;
434 bssco->ieee_hdr.len = sizeof(struct ieee_types_bss_co_2040) -
435 sizeof(struct ieee_types_header);
436 bssco->bss_2040co = 0x01;
437}
438
439static void mwifiex_tdls_add_supported_chan(struct sk_buff *skb)
440{
441 struct ieee_types_generic *supp_chan;
442 u8 chan_supp[] = {1, 11};
443
4df864c1
JB		 444 supp_chan = skb_put(skb,
445 (sizeof(struct ieee_types_header) + sizeof(chan_supp)));
38c51d03
KA		 446 supp_chan->ieee_hdr.element_id = WLAN_EID_SUPPORTED_CHANNELS;
447 supp_chan->ieee_hdr.len = sizeof(chan_supp);
448 memcpy(supp_chan->data, chan_supp, sizeof(chan_supp));
449}
450
451static void mwifiex_tdls_add_oper_class(struct sk_buff *skb)
452{
453 struct ieee_types_generic *reg_class;
454 u8 rc_list[] = {1,
455 1, 2, 3, 4, 12, 22, 23, 24, 25, 27, 28, 29, 30, 32, 33};
4df864c1
JB		 456 reg_class = skb_put(skb,
457 (sizeof(struct ieee_types_header) + sizeof(rc_list)));
38c51d03
KA		 458 reg_class->ieee_hdr.element_id = WLAN_EID_SUPPORTED_REGULATORY_CLASSES;
459 reg_class->ieee_hdr.len = sizeof(rc_list);
460 memcpy(reg_class->data, rc_list, sizeof(rc_list));
461}
462
b23bce29 463static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
3b3a0162
JB		 464 const u8 *peer, u8 action_code,
465 u8 dialog_token,
466 u16 status_code, struct sk_buff *skb)
b23bce29
AP		 467{
468 struct ieee80211_tdls_data *tf;
469 int ret;
470 u16 capab;
471 struct ieee80211_ht_cap *ht_cap;
472 u8 radio, *pos;
473
474 capab = priv->curr_bss_params.bss_descriptor.cap_info_bitmap;
475
4df864c1 476 tf = skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
b23bce29
AP		 477 memcpy(tf->da, peer, ETH_ALEN);
478 memcpy(tf->sa, priv->curr_addr, ETH_ALEN);
479 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
480 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
481
482 switch (action_code) {
483 case WLAN_TDLS_SETUP_REQUEST:
484 tf->category = WLAN_CATEGORY_TDLS;
485 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
486 skb_put(skb, sizeof(tf->u.setup_req));
487 tf->u.setup_req.dialog_token = dialog_token;
488 tf->u.setup_req.capability = cpu_to_le16(capab);
489 ret = mwifiex_tdls_append_rates_ie(priv, skb);
490 if (ret) {
491 dev_kfree_skb_any(skb);
492 return ret;
493 }
494
4df864c1 495 pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
b23bce29
AP		 496 *pos++ = WLAN_EID_HT_CAPABILITY;
497 *pos++ = sizeof(struct ieee80211_ht_cap);
498 ht_cap = (void *)pos;
499 radio = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
500 ret = mwifiex_fill_cap_info(priv, radio, ht_cap);
501 if (ret) {
502 dev_kfree_skb_any(skb);
503 return ret;
504 }
505
5f6d5983
AP		 506 if (priv->adapter->is_hw_11ac_capable) {
507 ret = mwifiex_tdls_add_vht_capab(priv, skb);
508 if (ret) {
509 dev_kfree_skb_any(skb);
510 return ret;
511 }
512 mwifiex_tdls_add_aid(priv, skb);
513 }
514
515 mwifiex_tdls_add_ext_capab(priv, skb);
38c51d03
KA		 516 mwifiex_tdls_add_bss_co_2040(skb);
517 mwifiex_tdls_add_supported_chan(skb);
518 mwifiex_tdls_add_oper_class(skb);
16fa5e65 519 mwifiex_add_wmm_info_ie(priv, skb, 0);
b23bce29
AP		 520 break;
521
522 case WLAN_TDLS_SETUP_RESPONSE:
523 tf->category = WLAN_CATEGORY_TDLS;
524 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
525 skb_put(skb, sizeof(tf->u.setup_resp));
526 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
527 tf->u.setup_resp.dialog_token = dialog_token;
528 tf->u.setup_resp.capability = cpu_to_le16(capab);
529 ret = mwifiex_tdls_append_rates_ie(priv, skb);
530 if (ret) {
531 dev_kfree_skb_any(skb);
532 return ret;
533 }
534
4df864c1 535 pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
b23bce29
AP		 536 *pos++ = WLAN_EID_HT_CAPABILITY;
537 *pos++ = sizeof(struct ieee80211_ht_cap);
538 ht_cap = (void *)pos;
539 radio = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
540 ret = mwifiex_fill_cap_info(priv, radio, ht_cap);
541 if (ret) {
542 dev_kfree_skb_any(skb);
543 return ret;
544 }
545
5f6d5983
AP		 546 if (priv->adapter->is_hw_11ac_capable) {
547 ret = mwifiex_tdls_add_vht_capab(priv, skb);
548 if (ret) {
549 dev_kfree_skb_any(skb);
550 return ret;
551 }
552 mwifiex_tdls_add_aid(priv, skb);
553 }
554
555 mwifiex_tdls_add_ext_capab(priv, skb);
38c51d03
KA		 556 mwifiex_tdls_add_bss_co_2040(skb);
557 mwifiex_tdls_add_supported_chan(skb);
558 mwifiex_tdls_add_oper_class(skb);
16fa5e65 559 mwifiex_add_wmm_info_ie(priv, skb, 0);
b23bce29
AP		 560 break;
561
562 case WLAN_TDLS_SETUP_CONFIRM:
563 tf->category = WLAN_CATEGORY_TDLS;
564 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
565 skb_put(skb, sizeof(tf->u.setup_cfm));
566 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
567 tf->u.setup_cfm.dialog_token = dialog_token;
16fa5e65
AP		 568
569 mwifiex_tdls_add_wmm_param_ie(priv, skb);
5f6d5983
AP		 570 if (priv->adapter->is_hw_11ac_capable) {
571 ret = mwifiex_tdls_add_vht_oper(priv, peer, skb);
572 if (ret) {
573 dev_kfree_skb_any(skb);
574 return ret;
575 }
396939f9
AP		 576 ret = mwifiex_tdls_add_ht_oper(priv, peer, 1, skb);
577 if (ret) {
578 dev_kfree_skb_any(skb);
579 return ret;
580 }
581 } else {
582 ret = mwifiex_tdls_add_ht_oper(priv, peer, 0, skb);
583 if (ret) {
584 dev_kfree_skb_any(skb);
585 return ret;
586 }
5f6d5983 587 }
b23bce29
AP		 588 break;
589
590 case WLAN_TDLS_TEARDOWN:
591 tf->category = WLAN_CATEGORY_TDLS;
592 tf->action_code = WLAN_TDLS_TEARDOWN;
593 skb_put(skb, sizeof(tf->u.teardown));
594 tf->u.teardown.reason_code = cpu_to_le16(status_code);
595 break;
596
597 case WLAN_TDLS_DISCOVERY_REQUEST:
598 tf->category = WLAN_CATEGORY_TDLS;
599 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
600 skb_put(skb, sizeof(tf->u.discover_req));
601 tf->u.discover_req.dialog_token = dialog_token;
602 break;
603 default:
acebe8c1 604 mwifiex_dbg(priv->adapter, ERROR, "Unknown TDLS frame type.\n");
b23bce29
AP		 605 return -EINVAL;
606 }
607
608 return 0;
609}
610
611static void
3b3a0162
JB		 612mwifiex_tdls_add_link_ie(struct sk_buff *skb, const u8 *src_addr,
613 const u8 *peer, const u8 *bssid)
b23bce29
AP		 614{
615 struct ieee80211_tdls_lnkie *lnkid;
616
4df864c1 617 lnkid = skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
b23bce29
AP		 618 lnkid->ie_type = WLAN_EID_LINK_ID;
619 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) -
620 sizeof(struct ieee_types_header);
621
622 memcpy(lnkid->bssid, bssid, ETH_ALEN);
623 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
624 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
625}
626
3b3a0162
JB		 627int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer,
628 u8 action_code, u8 dialog_token,
b23bce29
AP		 629 u16 status_code, const u8 *extra_ies,
630 size_t extra_ies_len)
631{
632 struct sk_buff *skb;
633 struct mwifiex_txinfo *tx_info;
b23bce29
AP		 634 int ret;
635 u16 skb_len;
636
637 skb_len = MWIFIEX_MIN_DATA_HEADER_LEN +
638 max(sizeof(struct ieee80211_mgmt),
639 sizeof(struct ieee80211_tdls_data)) +
640 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
641 MWIFIEX_SUPPORTED_RATES +
642 3 + /* Qos Info */
643 sizeof(struct ieee_types_extcap) +
644 sizeof(struct ieee80211_ht_cap) +
645 sizeof(struct ieee_types_bss_co_2040) +
646 sizeof(struct ieee80211_ht_operation) +
647 sizeof(struct ieee80211_tdls_lnkie) +
38c51d03
KA		 648 (2 * (sizeof(struct ieee_types_header))) +
649 MWIFIEX_SUPPORTED_CHANNELS +
650 MWIFIEX_OPERATING_CLASSES +
16fa5e65 651 sizeof(struct ieee80211_wmm_param_ie) +
b23bce29
AP		 652 extra_ies_len;
653
5f6d5983
AP		 654 if (priv->adapter->is_hw_11ac_capable)
655 skb_len += sizeof(struct ieee_types_vht_cap) +
656 sizeof(struct ieee_types_vht_oper) +
657 sizeof(struct ieee_types_aid);
658
b23bce29
AP		 659 skb = dev_alloc_skb(skb_len);
660 if (!skb) {
acebe8c1
ZL		 661 mwifiex_dbg(priv->adapter, ERROR,
662 "allocate skb failed for management frame\n");
b23bce29
AP		 663 return -ENOMEM;
664 }
665 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN);
666
667 switch (action_code) {
668 case WLAN_TDLS_SETUP_REQUEST:
669 case WLAN_TDLS_SETUP_CONFIRM:
670 case WLAN_TDLS_TEARDOWN:
671 case WLAN_TDLS_DISCOVERY_REQUEST:
672 ret = mwifiex_prep_tdls_encap_data(priv, peer, action_code,
673 dialog_token, status_code,
674 skb);
675 if (ret) {
676 dev_kfree_skb_any(skb);
677 return ret;
678 }
679 if (extra_ies_len)
59ae1d12 680 skb_put_data(skb, extra_ies, extra_ies_len);
b23bce29
AP		 681 mwifiex_tdls_add_link_ie(skb, priv->curr_addr, peer,
682 priv->cfg_bssid);
683 break;
684 case WLAN_TDLS_SETUP_RESPONSE:
685 ret = mwifiex_prep_tdls_encap_data(priv, peer, action_code,
686 dialog_token, status_code,
687 skb);
688 if (ret) {
689 dev_kfree_skb_any(skb);
690 return ret;
691 }
692 if (extra_ies_len)
59ae1d12 693 skb_put_data(skb, extra_ies, extra_ies_len);
b23bce29
AP		 694 mwifiex_tdls_add_link_ie(skb, peer, priv->curr_addr,
695 priv->cfg_bssid);
696 break;
697 }
698
699 switch (action_code) {
700 case WLAN_TDLS_SETUP_REQUEST:
701 case WLAN_TDLS_SETUP_RESPONSE:
702 skb->priority = MWIFIEX_PRIO_BK;
703 break;
704 default:
705 skb->priority = MWIFIEX_PRIO_VI;
706 break;
707 }
708
709 tx_info = MWIFIEX_SKB_TXCB(skb);
701a9e61 710 memset(tx_info, 0, sizeof(*tx_info));
b23bce29
AP		 711 tx_info->bss_num = priv->bss_num;
712 tx_info->bss_type = priv->bss_type;
713
c64800e7 714 __net_timestamp(skb);
b23bce29
AP		 715 mwifiex_queue_tx_pkt(priv, skb);
716
de651ce3
XH		 717 /* Delay 10ms to make sure tdls setup confirm/teardown frame
718 * is received by peer
719 */
720 if (action_code == WLAN_TDLS_SETUP_CONFIRM ||
721 action_code == WLAN_TDLS_TEARDOWN)
722 msleep_interruptible(10);
723
b23bce29
AP		 724 return 0;
725}
726
727static int
3b3a0162
JB		 728mwifiex_construct_tdls_action_frame(struct mwifiex_private *priv,
729 const u8 *peer,
b23bce29
AP		 730 u8 action_code, u8 dialog_token,
731 u16 status_code, struct sk_buff *skb)
732{
733 struct ieee80211_mgmt *mgmt;
b23bce29
AP		 734 int ret;
735 u16 capab;
736 struct ieee80211_ht_cap *ht_cap;
737 u8 radio, *pos;
738
739 capab = priv->curr_bss_params.bss_descriptor.cap_info_bitmap;
740
4df864c1 741 mgmt = skb_put(skb, offsetof(struct ieee80211_mgmt, u));
b23bce29
AP		 742
743 memset(mgmt, 0, 24);
744 memcpy(mgmt->da, peer, ETH_ALEN);
745 memcpy(mgmt->sa, priv->curr_addr, ETH_ALEN);
746 memcpy(mgmt->bssid, priv->cfg_bssid, ETH_ALEN);
747 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
748 IEEE80211_STYPE_ACTION);
749
750 /* add address 4 */
751 pos = skb_put(skb, ETH_ALEN);
752
753 switch (action_code) {
754 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
755 skb_put(skb, sizeof(mgmt->u.action.u.tdls_discover_resp) + 1);
756 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
757 mgmt->u.action.u.tdls_discover_resp.action_code =
758 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
759 mgmt->u.action.u.tdls_discover_resp.dialog_token =
760 dialog_token;
761 mgmt->u.action.u.tdls_discover_resp.capability =
762 cpu_to_le16(capab);
763 /* move back for addr4 */
764 memmove(pos + ETH_ALEN, &mgmt->u.action.category,
765 sizeof(mgmt->u.action.u.tdls_discover_resp));
766 /* init address 4 */
15e830e9 767 eth_broadcast_addr(pos);
b23bce29
AP		 768
769 ret = mwifiex_tdls_append_rates_ie(priv, skb);
770 if (ret) {
771 dev_kfree_skb_any(skb);
772 return ret;
773 }
774
4df864c1 775 pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
b23bce29
AP		 776 *pos++ = WLAN_EID_HT_CAPABILITY;
777 *pos++ = sizeof(struct ieee80211_ht_cap);
778 ht_cap = (void *)pos;
779 radio = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
780 ret = mwifiex_fill_cap_info(priv, radio, ht_cap);
781 if (ret) {
782 dev_kfree_skb_any(skb);
783 return ret;
784 }
785
5f6d5983
AP		 786 if (priv->adapter->is_hw_11ac_capable) {
787 ret = mwifiex_tdls_add_vht_capab(priv, skb);
788 if (ret) {
789 dev_kfree_skb_any(skb);
790 return ret;
791 }
792 mwifiex_tdls_add_aid(priv, skb);
793 }
794
795 mwifiex_tdls_add_ext_capab(priv, skb);
38c51d03
KA		 796 mwifiex_tdls_add_bss_co_2040(skb);
797 mwifiex_tdls_add_supported_chan(skb);
b23bce29 798 mwifiex_tdls_add_qos_capab(skb);
38c51d03 799 mwifiex_tdls_add_oper_class(skb);
b23bce29
AP		 800 break;
801 default:
acebe8c1 802 mwifiex_dbg(priv->adapter, ERROR, "Unknown TDLS action frame type\n");
b23bce29
AP		 803 return -EINVAL;
804 }
805
806 return 0;
807}
808
3b3a0162
JB		 809int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv, const u8 *peer,
810 u8 action_code, u8 dialog_token,
811 u16 status_code, const u8 *extra_ies,
812 size_t extra_ies_len)
b23bce29
AP		 813{
814 struct sk_buff *skb;
815 struct mwifiex_txinfo *tx_info;
b23bce29
AP		 816 u8 *pos;
817 u32 pkt_type, tx_control;
818 u16 pkt_len, skb_len;
819
820 skb_len = MWIFIEX_MIN_DATA_HEADER_LEN +
821 max(sizeof(struct ieee80211_mgmt),
822 sizeof(struct ieee80211_tdls_data)) +
823 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
824 MWIFIEX_SUPPORTED_RATES +
825 sizeof(struct ieee_types_extcap) +
826 sizeof(struct ieee80211_ht_cap) +
827 sizeof(struct ieee_types_bss_co_2040) +
828 sizeof(struct ieee80211_ht_operation) +
829 sizeof(struct ieee80211_tdls_lnkie) +
830 extra_ies_len +
831 3 + /* Qos Info */
832 ETH_ALEN; /* Address4 */
833
5f6d5983
AP		 834 if (priv->adapter->is_hw_11ac_capable)
835 skb_len += sizeof(struct ieee_types_vht_cap) +
836 sizeof(struct ieee_types_vht_oper) +
837 sizeof(struct ieee_types_aid);
838
b23bce29
AP		 839 skb = dev_alloc_skb(skb_len);
840 if (!skb) {
acebe8c1
ZL		 841 mwifiex_dbg(priv->adapter, ERROR,
842 "allocate skb failed for management frame\n");
b23bce29
AP		 843 return -ENOMEM;
844 }
845
846 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN);
847
848 pkt_type = PKT_TYPE_MGMT;
849 tx_control = 0;
aa9f979c
JB		 850 pos = skb_put_zero(skb,
851 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
b23bce29
AP		 852 memcpy(pos, &pkt_type, sizeof(pkt_type));
853 memcpy(pos + sizeof(pkt_type), &tx_control, sizeof(tx_control));
854
855 if (mwifiex_construct_tdls_action_frame(priv, peer, action_code,
856 dialog_token, status_code,
857 skb)) {
858 dev_kfree_skb_any(skb);
859 return -EINVAL;
860 }
861
862 if (extra_ies_len)
59ae1d12 863 skb_put_data(skb, extra_ies, extra_ies_len);
b23bce29
AP		 864
865 /* the TDLS link IE is always added last we are the responder */
866
867 mwifiex_tdls_add_link_ie(skb, peer, priv->curr_addr,
868 priv->cfg_bssid);
869
870 skb->priority = MWIFIEX_PRIO_VI;
871
872 tx_info = MWIFIEX_SKB_TXCB(skb);
701a9e61 873 memset(tx_info, 0, sizeof(*tx_info));
b23bce29
AP		 874 tx_info->bss_num = priv->bss_num;
875 tx_info->bss_type = priv->bss_type;
876 tx_info->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT;
877
878 pkt_len = skb->len - MWIFIEX_MGMT_FRAME_HEADER_SIZE - sizeof(pkt_len);
879 memcpy(skb->data + MWIFIEX_MGMT_FRAME_HEADER_SIZE, &pkt_len,
880 sizeof(pkt_len));
c64800e7 881 __net_timestamp(skb);
b23bce29
AP		 882 mwifiex_queue_tx_pkt(priv, skb);
883
884 return 0;
885}
5f2caaf3
AP		 886
887/* This function process tdls action frame from peer.
888 * Peer capabilities are stored into station node structure.
889 */
890void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
891 u8 *buf, int len)
892{
893 struct mwifiex_sta_node *sta_ptr;
894 u8 *peer, *pos, *end;
895 u8 i, action, basic;
92c70a95 896 u16 cap = 0;
70e5b8f4 897 int ies_len = 0;
5f2caaf3
AP		 898
899 if (len < (sizeof(struct ethhdr) + 3))
900 return;
45d18c56 901 if (*(buf + sizeof(struct ethhdr)) != WLAN_TDLS_SNAP_RFTYPE)
5f2caaf3 902 return;
45d18c56 903 if (*(buf + sizeof(struct ethhdr) + 1) != WLAN_CATEGORY_TDLS)
5f2caaf3
AP		 904 return;
905
906 peer = buf + ETH_ALEN;
45d18c56 907 action = *(buf + sizeof(struct ethhdr) + 2);
acebe8c1
ZL		 908 mwifiex_dbg(priv->adapter, DATA,
909 "rx:tdls action: peer=%pM, action=%d\n", peer, action);
5f2caaf3 910
5f2caaf3
AP		 911 switch (action) {
912 case WLAN_TDLS_SETUP_REQUEST:
913 if (len < (sizeof(struct ethhdr) + TDLS_REQ_FIX_LEN))
914 return;
915
916 pos = buf + sizeof(struct ethhdr) + 4;
917 /* payload 1+ category 1 + action 1 + dialog 1 */
92c70a95 918 cap = get_unaligned_le16(pos);
70e5b8f4 919 ies_len = len - sizeof(struct ethhdr) - TDLS_REQ_FIX_LEN;
5f2caaf3
AP		 920 pos += 2;
921 break;
922
923 case WLAN_TDLS_SETUP_RESPONSE:
924 if (len < (sizeof(struct ethhdr) + TDLS_RESP_FIX_LEN))
925 return;
926 /* payload 1+ category 1 + action 1 + dialog 1 + status code 2*/
927 pos = buf + sizeof(struct ethhdr) + 6;
92c70a95 928 cap = get_unaligned_le16(pos);
70e5b8f4 929 ies_len = len - sizeof(struct ethhdr) - TDLS_RESP_FIX_LEN;
5f2caaf3
AP		 930 pos += 2;
931 break;
932
933 case WLAN_TDLS_SETUP_CONFIRM:
934 if (len < (sizeof(struct ethhdr) + TDLS_CONFIRM_FIX_LEN))
935 return;
936 pos = buf + sizeof(struct ethhdr) + TDLS_CONFIRM_FIX_LEN;
70e5b8f4 937 ies_len = len - sizeof(struct ethhdr) - TDLS_CONFIRM_FIX_LEN;
5f2caaf3
AP		 938 break;
939 default:
acebe8c1 940 mwifiex_dbg(priv->adapter, ERROR, "Unknown TDLS frame type.\n");
5f2caaf3
AP		 941 return;
942 }
943
f95f59fe
BZ		 944 sta_ptr = mwifiex_add_sta_entry(priv, peer);
945 if (!sta_ptr)
946 return;
947
92c70a95 948 sta_ptr->tdls_cap.capab = cpu_to_le16(cap);
f95f59fe 949
70e5b8f4
BN		 950 for (end = pos + ies_len; pos + 1 < end; pos += 2 + pos[1]) {
951 u8 ie_len = pos[1];
952
953 if (pos + 2 + ie_len > end)
5f2caaf3
AP		 954 break;
955
956 switch (*pos) {
957 case WLAN_EID_SUPP_RATES:
70e5b8f4 958 if (ie_len > sizeof(sta_ptr->tdls_cap.rates))
1e58252e 959 return;
70e5b8f4
BN		 960 sta_ptr->tdls_cap.rates_len = ie_len;
961 for (i = 0; i < ie_len; i++)
5f2caaf3
AP		 962 sta_ptr->tdls_cap.rates[i] = pos[i + 2];
963 break;
964
965 case WLAN_EID_EXT_SUPP_RATES:
70e5b8f4 966 if (ie_len > sizeof(sta_ptr->tdls_cap.rates))
1e58252e 967 return;
5f2caaf3 968 basic = sta_ptr->tdls_cap.rates_len;
70e5b8f4 969 if (ie_len > sizeof(sta_ptr->tdls_cap.rates) - basic)
1e58252e 970 return;
70e5b8f4 971 for (i = 0; i < ie_len; i++)
5f2caaf3 972 sta_ptr->tdls_cap.rates[basic + i] = pos[i + 2];
70e5b8f4 973 sta_ptr->tdls_cap.rates_len += ie_len;
5f2caaf3
AP		 974 break;
975 case WLAN_EID_HT_CAPABILITY:
70e5b8f4 976 if (ie_len != sizeof(struct ieee80211_ht_cap))
1e58252e 977 return;
978 /* copy the ie's value into ht_capb*/
979 memcpy((u8 *)&sta_ptr->tdls_cap.ht_capb, pos + 2,
5f2caaf3
AP		 980 sizeof(struct ieee80211_ht_cap));
981 sta_ptr->is_11n_enabled = 1;
982 break;
983 case WLAN_EID_HT_OPERATION:
70e5b8f4 984 if (ie_len != sizeof(struct ieee80211_ht_operation))
1e58252e 985 return;
986 /* copy the ie's value into ht_oper*/
987 memcpy(&sta_ptr->tdls_cap.ht_oper, pos + 2,
5f2caaf3
AP		 988 sizeof(struct ieee80211_ht_operation));
989 break;
990 case WLAN_EID_BSS_COEX_2040:
70e5b8f4 991 if (ie_len != sizeof(pos[2]))
1e58252e 992 return;
5f2caaf3
AP		 993 sta_ptr->tdls_cap.coex_2040 = pos[2];
994 break;
995 case WLAN_EID_EXT_CAPABILITY:
70e5b8f4 996 if (ie_len < sizeof(struct ieee_types_header))
1e58252e 997 return;
70e5b8f4 998 if (ie_len > 8)
1e58252e 999 return;
5f2caaf3
AP		 1000 memcpy((u8 *)&sta_ptr->tdls_cap.extcap, pos,
1001 sizeof(struct ieee_types_header) +
70e5b8f4 1002 min_t(u8, ie_len, 8));
5f2caaf3
AP		 1003 break;
1004 case WLAN_EID_RSN:
70e5b8f4 1005 if (ie_len < sizeof(struct ieee_types_header))
1e58252e 1006 return;
70e5b8f4 1007 if (ie_len > IEEE_MAX_IE_SIZE -
1e58252e 1008 sizeof(struct ieee_types_header))
1009 return;
5f2caaf3 1010 memcpy((u8 *)&sta_ptr->tdls_cap.rsn_ie, pos,
3c99832d 1011 sizeof(struct ieee_types_header) +
70e5b8f4 1012 min_t(u8, ie_len, IEEE_MAX_IE_SIZE -
3c99832d 1013 sizeof(struct ieee_types_header)));
5f2caaf3
AP		 1014 break;
1015 case WLAN_EID_QOS_CAPA:
70e5b8f4 1016 if (ie_len != sizeof(pos[2]))
1e58252e 1017 return;
5f2caaf3
AP		 1018 sta_ptr->tdls_cap.qos_info = pos[2];
1019 break;
5f6d5983 1020 case WLAN_EID_VHT_OPERATION:
1e58252e 1021 if (priv->adapter->is_hw_11ac_capable) {
70e5b8f4 1022 if (ie_len !=
1e58252e 1023 sizeof(struct ieee80211_vht_operation))
1024 return;
1025 /* copy the ie's value into vhtoper*/
1026 memcpy(&sta_ptr->tdls_cap.vhtoper, pos + 2,
5f6d5983 1027 sizeof(struct ieee80211_vht_operation));
1e58252e 1028 }
5f6d5983
AP		 1029 break;
1030 case WLAN_EID_VHT_CAPABILITY:
1031 if (priv->adapter->is_hw_11ac_capable) {
70e5b8f4 1032 if (ie_len != sizeof(struct ieee80211_vht_cap))
1e58252e 1033 return;
1034 /* copy the ie's value into vhtcap*/
1035 memcpy((u8 *)&sta_ptr->tdls_cap.vhtcap, pos + 2,
5f6d5983
AP		 1036 sizeof(struct ieee80211_vht_cap));
1037 sta_ptr->is_11ac_enabled = 1;
1038 }
1039 break;
1040 case WLAN_EID_AID:
1e58252e 1041 if (priv->adapter->is_hw_11ac_capable) {
70e5b8f4 1042 if (ie_len != sizeof(u16))
1e58252e 1043 return;
5f6d5983 1044 sta_ptr->tdls_cap.aid =
92c70a95 1045 get_unaligned_le16((pos + 2));
1e58252e 1046 }
1047 break;
5f2caaf3
AP		 1048 default:
1049 break;
1050 }
1051 }
1052
1053 return;
1054}
429d90d2 1055
1f4dfd8a 1056static int
3b3a0162 1057mwifiex_tdls_process_config_link(struct mwifiex_private *priv, const u8 *peer)
1f4dfd8a
AP		 1058{
1059 struct mwifiex_sta_node *sta_ptr;
1060 struct mwifiex_ds_tdls_oper tdls_oper;
1061
1062 memset(&tdls_oper, 0, sizeof(struct mwifiex_ds_tdls_oper));
1063 sta_ptr = mwifiex_get_sta_entry(priv, peer);
1064
1065 if (!sta_ptr || sta_ptr->tdls_status == TDLS_SETUP_FAILURE) {
acebe8c1
ZL		 1066 mwifiex_dbg(priv->adapter, ERROR,
1067 "link absent for peer %pM; cannot config\n", peer);
1f4dfd8a
AP		 1068 return -EINVAL;
1069 }
1070
1071 memcpy(&tdls_oper.peer_mac, peer, ETH_ALEN);
1072 tdls_oper.tdls_action = MWIFIEX_TDLS_CONFIG_LINK;
fa0ecbb9
BZ		 1073 return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_OPER,
1074 HostCmd_ACT_GEN_SET, 0, &tdls_oper, true);
1f4dfd8a
AP		 1075}
1076
e48e0de0 1077static int
3b3a0162 1078mwifiex_tdls_process_create_link(struct mwifiex_private *priv, const u8 *peer)
e48e0de0
AP		 1079{
1080 struct mwifiex_sta_node *sta_ptr;
1081 struct mwifiex_ds_tdls_oper tdls_oper;
1082
1083 memset(&tdls_oper, 0, sizeof(struct mwifiex_ds_tdls_oper));
1084 sta_ptr = mwifiex_get_sta_entry(priv, peer);
1085
1086 if (sta_ptr && sta_ptr->tdls_status == TDLS_SETUP_INPROGRESS) {
acebe8c1
ZL		 1087 mwifiex_dbg(priv->adapter, WARN,
1088 "Setup already in progress for peer %pM\n", peer);
e48e0de0
AP		 1089 return 0;
1090 }
1091
1092 sta_ptr = mwifiex_add_sta_entry(priv, peer);
1093 if (!sta_ptr)
1094 return -ENOMEM;
1095
1096 sta_ptr->tdls_status = TDLS_SETUP_INPROGRESS;
56bd24a1 1097 mwifiex_hold_tdls_packets(priv, peer);
e48e0de0
AP		 1098 memcpy(&tdls_oper.peer_mac, peer, ETH_ALEN);
1099 tdls_oper.tdls_action = MWIFIEX_TDLS_CREATE_LINK;
fa0ecbb9
BZ		 1100 return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_OPER,
1101 HostCmd_ACT_GEN_SET, 0, &tdls_oper, true);
e48e0de0
AP		 1102}
1103
429d90d2 1104static int
3b3a0162 1105mwifiex_tdls_process_disable_link(struct mwifiex_private *priv, const u8 *peer)
429d90d2
AP		 1106{
1107 struct mwifiex_sta_node *sta_ptr;
1108 struct mwifiex_ds_tdls_oper tdls_oper;
429d90d2
AP		 1109
1110 memset(&tdls_oper, 0, sizeof(struct mwifiex_ds_tdls_oper));
1111 sta_ptr = mwifiex_get_sta_entry(priv, peer);
1112
1113 if (sta_ptr) {
1114 if (sta_ptr->is_11n_enabled) {
1115 mwifiex_11n_cleanup_reorder_tbl(priv);
8a7f9fd8 1116 spin_lock_bh(&priv->wmm.ra_list_spinlock);
429d90d2 1117 mwifiex_11n_delete_all_tx_ba_stream_tbl(priv);
8a7f9fd8 1118 spin_unlock_bh(&priv->wmm.ra_list_spinlock);
429d90d2
AP		 1119 }
1120 mwifiex_del_sta_entry(priv, peer);
1121 }
1122
56bd24a1 1123 mwifiex_restore_tdls_packets(priv, peer, TDLS_LINK_TEARDOWN);
9927baa3 1124 mwifiex_auto_tdls_update_peer_status(priv, peer, TDLS_NOT_SETUP);
429d90d2
AP		 1125 memcpy(&tdls_oper.peer_mac, peer, ETH_ALEN);
1126 tdls_oper.tdls_action = MWIFIEX_TDLS_DISABLE_LINK;
fa0ecbb9
BZ		 1127 return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_OPER,
1128 HostCmd_ACT_GEN_SET, 0, &tdls_oper, true);
429d90d2
AP		 1129}
1130
1131static int
3b3a0162 1132mwifiex_tdls_process_enable_link(struct mwifiex_private *priv, const u8 *peer)
429d90d2
AP		 1133{
1134 struct mwifiex_sta_node *sta_ptr;
1135 struct ieee80211_mcs_info mcs;
429d90d2
AP		 1136 int i;
1137
1138 sta_ptr = mwifiex_get_sta_entry(priv, peer);
1139
1140 if (sta_ptr && (sta_ptr->tdls_status != TDLS_SETUP_FAILURE)) {
acebe8c1
ZL		 1141 mwifiex_dbg(priv->adapter, MSG,
1142 "tdls: enable link %pM success\n", peer);
429d90d2
AP		 1143
1144 sta_ptr->tdls_status = TDLS_SETUP_COMPLETE;
1145
1146 mcs = sta_ptr->tdls_cap.ht_capb.mcs;
1147 if (mcs.rx_mask[0] != 0xff)
1148 sta_ptr->is_11n_enabled = true;
1149 if (sta_ptr->is_11n_enabled) {
1150 if (le16_to_cpu(sta_ptr->tdls_cap.ht_capb.cap_info) &
1151 IEEE80211_HT_CAP_MAX_AMSDU)
1152 sta_ptr->max_amsdu =
1153 MWIFIEX_TX_DATA_BUF_SIZE_8K;
1154 else
1155 sta_ptr->max_amsdu =
1156 MWIFIEX_TX_DATA_BUF_SIZE_4K;
1157
1158 for (i = 0; i < MAX_NUM_TID; i++)
1159 sta_ptr->ampdu_sta[i] =
1160 priv->aggr_prio_tbl[i].ampdu_user;
1161 } else {
1162 for (i = 0; i < MAX_NUM_TID; i++)
1163 sta_ptr->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED;
1164 }
20834343
XH		 1165 if (sta_ptr->tdls_cap.extcap.ext_capab[3] &
1166 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) {
1167 mwifiex_config_tdls_enable(priv);
1168 mwifiex_config_tdls_cs_params(priv);
1169 }
429d90d2
AP		 1170
1171 memset(sta_ptr->rx_seq, 0xff, sizeof(sta_ptr->rx_seq));
56bd24a1 1172 mwifiex_restore_tdls_packets(priv, peer, TDLS_SETUP_COMPLETE);
9927baa3
AP		 1173 mwifiex_auto_tdls_update_peer_status(priv, peer,
1174 TDLS_SETUP_COMPLETE);
429d90d2 1175 } else {
acebe8c1
ZL		 1176 mwifiex_dbg(priv->adapter, ERROR,
1177 "tdls: enable link %pM failed\n", peer);
429d90d2
AP		 1178 if (sta_ptr) {
1179 mwifiex_11n_cleanup_reorder_tbl(priv);
8a7f9fd8 1180 spin_lock_bh(&priv->wmm.ra_list_spinlock);
429d90d2 1181 mwifiex_11n_delete_all_tx_ba_stream_tbl(priv);
8a7f9fd8 1182 spin_unlock_bh(&priv->wmm.ra_list_spinlock);
429d90d2
AP		 1183 mwifiex_del_sta_entry(priv, peer);
1184 }
56bd24a1 1185 mwifiex_restore_tdls_packets(priv, peer, TDLS_LINK_TEARDOWN);
9927baa3
AP		 1186 mwifiex_auto_tdls_update_peer_status(priv, peer,
1187 TDLS_NOT_SETUP);
429d90d2
AP		 1188
1189 return -1;
1190 }
1191
1192 return 0;
1193}
1194
3b3a0162 1195int mwifiex_tdls_oper(struct mwifiex_private *priv, const u8 *peer, u8 action)
429d90d2
AP		 1196{
1197 switch (action) {
1198 case MWIFIEX_TDLS_ENABLE_LINK:
1199 return mwifiex_tdls_process_enable_link(priv, peer);
1200 case MWIFIEX_TDLS_DISABLE_LINK:
1201 return mwifiex_tdls_process_disable_link(priv, peer);
e48e0de0
AP		 1202 case MWIFIEX_TDLS_CREATE_LINK:
1203 return mwifiex_tdls_process_create_link(priv, peer);
1f4dfd8a
AP		 1204 case MWIFIEX_TDLS_CONFIG_LINK:
1205 return mwifiex_tdls_process_config_link(priv, peer);
429d90d2
AP		 1206 }
1207 return 0;
1208}
d63bf5e5 1209
3b3a0162 1210int mwifiex_get_tdls_link_status(struct mwifiex_private *priv, const u8 *mac)
d63bf5e5
AP		 1211{
1212 struct mwifiex_sta_node *sta_ptr;
1213
1214 sta_ptr = mwifiex_get_sta_entry(priv, mac);
1215 if (sta_ptr)
1216 return sta_ptr->tdls_status;
1217
1218 return TDLS_NOT_SETUP;
1219}
be104b91 1220
72df6310
XH		 1221int mwifiex_get_tdls_list(struct mwifiex_private *priv,
1222 struct tdls_peer_info *buf)
1223{
1224 struct mwifiex_sta_node *sta_ptr;
1225 struct tdls_peer_info *peer = buf;
1226 int count = 0;
72df6310
XH		 1227
1228 if (!ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info))
1229 return 0;
1230
1231 /* make sure we are in station mode and connected */
1232 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
1233 return 0;
1234
8a7f9fd8 1235 spin_lock_bh(&priv->sta_list_spinlock);
72df6310 1236 list_for_each_entry(sta_ptr, &priv->sta_list, list) {
55a2c077 1237 if (mwifiex_is_tdls_link_setup(sta_ptr->tdls_status)) {
72df6310
XH		 1238 ether_addr_copy(peer->peer_addr, sta_ptr->mac_addr);
1239 peer++;
1240 count++;
1241 if (count >= MWIFIEX_MAX_TDLS_PEER_SUPPORTED)
1242 break;
1243 }
1244 }
8a7f9fd8 1245 spin_unlock_bh(&priv->sta_list_spinlock);
72df6310
XH		 1246
1247 return count;
1248}
1249
be104b91
AP		 1250void mwifiex_disable_all_tdls_links(struct mwifiex_private *priv)
1251{
1252 struct mwifiex_sta_node *sta_ptr;
1253 struct mwifiex_ds_tdls_oper tdls_oper;
be104b91
AP		 1254
1255 if (list_empty(&priv->sta_list))
1256 return;
1257
1258 list_for_each_entry(sta_ptr, &priv->sta_list, list) {
1259 memset(&tdls_oper, 0, sizeof(struct mwifiex_ds_tdls_oper));
1260
1261 if (sta_ptr->is_11n_enabled) {
1262 mwifiex_11n_cleanup_reorder_tbl(priv);
8a7f9fd8 1263 spin_lock_bh(&priv->wmm.ra_list_spinlock);
be104b91 1264 mwifiex_11n_delete_all_tx_ba_stream_tbl(priv);
8a7f9fd8 1265 spin_unlock_bh(&priv->wmm.ra_list_spinlock);
be104b91
AP		 1266 }
1267
1268 mwifiex_restore_tdls_packets(priv, sta_ptr->mac_addr,
1269 TDLS_LINK_TEARDOWN);
1270 memcpy(&tdls_oper.peer_mac, sta_ptr->mac_addr, ETH_ALEN);
1271 tdls_oper.tdls_action = MWIFIEX_TDLS_DISABLE_LINK;
fa0ecbb9
BZ		 1272 if (mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_OPER,
1273 HostCmd_ACT_GEN_SET, 0, &tdls_oper, false))
acebe8c1
ZL		 1274 mwifiex_dbg(priv->adapter, ERROR,
1275 "Disable link failed for TDLS peer %pM",
1276 sta_ptr->mac_addr);
be104b91
AP		 1277 }
1278
1279 mwifiex_del_all_sta_list(priv);
1280}
9927baa3
AP		 1281
1282int mwifiex_tdls_check_tx(struct mwifiex_private *priv, struct sk_buff *skb)
1283{
1284 struct mwifiex_auto_tdls_peer *peer;
9927baa3
AP		 1285 u8 mac[ETH_ALEN];
1286
1287 ether_addr_copy(mac, skb->data);
1288
8a7f9fd8 1289 spin_lock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1290 list_for_each_entry(peer, &priv->auto_tdls_list, list) {
1291 if (!memcmp(mac, peer->mac_addr, ETH_ALEN)) {
1292 if (peer->rssi <= MWIFIEX_TDLS_RSSI_HIGH &&
1293 peer->tdls_status == TDLS_NOT_SETUP &&
1294 (peer->failure_count <
1295 MWIFIEX_TDLS_MAX_FAIL_COUNT)) {
1296 peer->tdls_status = TDLS_SETUP_INPROGRESS;
acebe8c1
ZL		 1297 mwifiex_dbg(priv->adapter, INFO,
1298 "setup TDLS link, peer=%pM rssi=%d\n",
1299 peer->mac_addr, peer->rssi);
9927baa3
AP		 1300
1301 cfg80211_tdls_oper_request(priv->netdev,
1302 peer->mac_addr,
1303 NL80211_TDLS_SETUP,
1304 0, GFP_ATOMIC);
1305 peer->do_setup = false;
1306 priv->check_tdls_tx = false;
1307 } else if (peer->failure_count <
1308 MWIFIEX_TDLS_MAX_FAIL_COUNT &&
1309 peer->do_discover) {
1310 mwifiex_send_tdls_data_frame(priv,
1311 peer->mac_addr,
1312 WLAN_TDLS_DISCOVERY_REQUEST,
1313 1, 0, NULL, 0);
1314 peer->do_discover = false;
1315 }
1316 }
1317 }
8a7f9fd8 1318 spin_unlock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1319
1320 return 0;
1321}
1322
1323void mwifiex_flush_auto_tdls_list(struct mwifiex_private *priv)
1324{
1325 struct mwifiex_auto_tdls_peer *peer, *tmp_node;
9927baa3 1326
8a7f9fd8 1327 spin_lock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1328 list_for_each_entry_safe(peer, tmp_node, &priv->auto_tdls_list, list) {
1329 list_del(&peer->list);
1330 kfree(peer);
1331 }
1332
1333 INIT_LIST_HEAD(&priv->auto_tdls_list);
8a7f9fd8 1334 spin_unlock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1335 priv->check_tdls_tx = false;
1336}
1337
1338void mwifiex_add_auto_tdls_peer(struct mwifiex_private *priv, const u8 *mac)
1339{
1340 struct mwifiex_auto_tdls_peer *tdls_peer;
9927baa3
AP		 1341
1342 if (!priv->adapter->auto_tdls)
1343 return;
1344
8a7f9fd8 1345 spin_lock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1346 list_for_each_entry(tdls_peer, &priv->auto_tdls_list, list) {
1347 if (!memcmp(tdls_peer->mac_addr, mac, ETH_ALEN)) {
1348 tdls_peer->tdls_status = TDLS_SETUP_INPROGRESS;
1349 tdls_peer->rssi_jiffies = jiffies;
8a7f9fd8 1350 spin_unlock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1351 return;
1352 }
1353 }
1354
1355 /* create new TDLS peer */
1356 tdls_peer = kzalloc(sizeof(*tdls_peer), GFP_ATOMIC);
1357 if (tdls_peer) {
1358 ether_addr_copy(tdls_peer->mac_addr, mac);
1359 tdls_peer->tdls_status = TDLS_SETUP_INPROGRESS;
1360 tdls_peer->rssi_jiffies = jiffies;
1361 INIT_LIST_HEAD(&tdls_peer->list);
1362 list_add_tail(&tdls_peer->list, &priv->auto_tdls_list);
acebe8c1
ZL		 1363 mwifiex_dbg(priv->adapter, INFO,
1364 "Add auto TDLS peer= %pM to list\n", mac);
9927baa3
AP		 1365 }
1366
8a7f9fd8 1367 spin_unlock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1368}
1369
1370void mwifiex_auto_tdls_update_peer_status(struct mwifiex_private *priv,
1371 const u8 *mac, u8 link_status)
1372{
1373 struct mwifiex_auto_tdls_peer *peer;
9927baa3
AP		 1374
1375 if (!priv->adapter->auto_tdls)
1376 return;
1377
8a7f9fd8 1378 spin_lock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1379 list_for_each_entry(peer, &priv->auto_tdls_list, list) {
1380 if (!memcmp(peer->mac_addr, mac, ETH_ALEN)) {
1381 if ((link_status == TDLS_NOT_SETUP) &&
1382 (peer->tdls_status == TDLS_SETUP_INPROGRESS))
1383 peer->failure_count++;
55a2c077 1384 else if (mwifiex_is_tdls_link_setup(link_status))
9927baa3
AP		 1385 peer->failure_count = 0;
1386
1387 peer->tdls_status = link_status;
1388 break;
1389 }
1390 }
8a7f9fd8 1391 spin_unlock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1392}
1393
1394void mwifiex_auto_tdls_update_peer_signal(struct mwifiex_private *priv,
1395 u8 *mac, s8 snr, s8 nflr)
1396{
1397 struct mwifiex_auto_tdls_peer *peer;
9927baa3
AP		 1398
1399 if (!priv->adapter->auto_tdls)
1400 return;
1401
8a7f9fd8 1402 spin_lock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1403 list_for_each_entry(peer, &priv->auto_tdls_list, list) {
1404 if (!memcmp(peer->mac_addr, mac, ETH_ALEN)) {
1405 peer->rssi = nflr - snr;
1406 peer->rssi_jiffies = jiffies;
1407 break;
1408 }
1409 }
8a7f9fd8 1410 spin_unlock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1411}
1412
08c2eb8e 1413void mwifiex_check_auto_tdls(struct timer_list *t)
9927baa3 1414{
08c2eb8e 1415 struct mwifiex_private *priv = from_timer(priv, t, auto_tdls_timer);
9927baa3 1416 struct mwifiex_auto_tdls_peer *tdls_peer;
9927baa3
AP		 1417 u16 reason = WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED;
1418
1419 if (WARN_ON_ONCE(!priv || !priv->adapter)) {
1420 pr_err("mwifiex: %s: adapter or private structure is NULL\n",
1421 __func__);
1422 return;
1423 }
1424
1425 if (unlikely(!priv->adapter->auto_tdls))
1426 return;
1427
1428 if (!priv->auto_tdls_timer_active) {
acebe8c1
ZL		 1429 mwifiex_dbg(priv->adapter, INFO,
1430 "auto TDLS timer inactive; return");
9927baa3
AP		 1431 return;
1432 }
1433
1434 priv->check_tdls_tx = false;
1435
8a7f9fd8 1436 spin_lock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1437 list_for_each_entry(tdls_peer, &priv->auto_tdls_list, list) {
1438 if ((jiffies - tdls_peer->rssi_jiffies) >
1439 (MWIFIEX_AUTO_TDLS_IDLE_TIME * HZ)) {
1440 tdls_peer->rssi = 0;
1441 tdls_peer->do_discover = true;
1442 priv->check_tdls_tx = true;
1443 }
1444
1445 if (((tdls_peer->rssi >= MWIFIEX_TDLS_RSSI_LOW) ||
1446 !tdls_peer->rssi) &&
55a2c077 1447 mwifiex_is_tdls_link_setup(tdls_peer->tdls_status)) {
9927baa3 1448 tdls_peer->tdls_status = TDLS_LINK_TEARDOWN;
acebe8c1
ZL		 1449 mwifiex_dbg(priv->adapter, MSG,
1450 "teardown TDLS link,peer=%pM rssi=%d\n",
1451 tdls_peer->mac_addr, -tdls_peer->rssi);
9927baa3
AP		 1452 tdls_peer->do_discover = true;
1453 priv->check_tdls_tx = true;
1454 cfg80211_tdls_oper_request(priv->netdev,
1455 tdls_peer->mac_addr,
1456 NL80211_TDLS_TEARDOWN,
1457 reason, GFP_ATOMIC);
1458 } else if (tdls_peer->rssi &&
1459 tdls_peer->rssi <= MWIFIEX_TDLS_RSSI_HIGH &&
1460 tdls_peer->tdls_status == TDLS_NOT_SETUP &&
1461 tdls_peer->failure_count <
1462 MWIFIEX_TDLS_MAX_FAIL_COUNT) {
1463 priv->check_tdls_tx = true;
1464 tdls_peer->do_setup = true;
acebe8c1
ZL		 1465 mwifiex_dbg(priv->adapter, INFO,
1466 "check TDLS with peer=%pM\t"
1467 "rssi=%d\n", tdls_peer->mac_addr,
1468 tdls_peer->rssi);
9927baa3
AP		 1469 }
1470 }
8a7f9fd8 1471 spin_unlock_bh(&priv->auto_tdls_lock);
9927baa3
AP		 1472
1473 mod_timer(&priv->auto_tdls_timer,
1474 jiffies + msecs_to_jiffies(MWIFIEX_TIMER_10S));
1475}
1476
1477void mwifiex_setup_auto_tdls_timer(struct mwifiex_private *priv)
1478{
08c2eb8e 1479 timer_setup(&priv->auto_tdls_timer, mwifiex_check_auto_tdls, 0);
9927baa3
AP		 1480 priv->auto_tdls_timer_active = true;
1481 mod_timer(&priv->auto_tdls_timer,
1482 jiffies + msecs_to_jiffies(MWIFIEX_TIMER_10S));
1483}
1484
1485void mwifiex_clean_auto_tdls(struct mwifiex_private *priv)
1486{
1487 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
1488 priv->adapter->auto_tdls &&
1489 priv->bss_type == MWIFIEX_BSS_TYPE_STA) {
1490 priv->auto_tdls_timer_active = false;
1491 del_timer(&priv->auto_tdls_timer);
1492 mwifiex_flush_auto_tdls_list(priv);
1493 }
1494}
449b8bbf
XH		 1495
1496static int mwifiex_config_tdls(struct mwifiex_private *priv, u8 enable)
1497{
1498 struct mwifiex_tdls_config config;
1499
1500 config.enable = cpu_to_le16(enable);
1501 return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_CONFIG,
1502 ACT_TDLS_CS_ENABLE_CONFIG, 0, &config, true);
1503}
1504
1505int mwifiex_config_tdls_enable(struct mwifiex_private *priv)
1506{
1507 return mwifiex_config_tdls(priv, true);
1508}
1509
1510int mwifiex_config_tdls_disable(struct mwifiex_private *priv)
1511{
1512 return mwifiex_config_tdls(priv, false);
1513}
1514
1515int mwifiex_config_tdls_cs_params(struct mwifiex_private *priv)
1516{
1517 struct mwifiex_tdls_config_cs_params config_tdls_cs_params;
1518
1519 config_tdls_cs_params.unit_time = MWIFIEX_DEF_CS_UNIT_TIME;
1520 config_tdls_cs_params.thr_otherlink = MWIFIEX_DEF_CS_THR_OTHERLINK;
1521 config_tdls_cs_params.thr_directlink = MWIFIEX_DEF_THR_DIRECTLINK;
1522
1523 return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_CONFIG,
1524 ACT_TDLS_CS_PARAMS, 0,
1525 &config_tdls_cs_params, true);
1526}
1527
1528int mwifiex_stop_tdls_cs(struct mwifiex_private *priv, const u8 *peer_mac)
1529{
1530 struct mwifiex_tdls_stop_cs_params stop_tdls_cs_params;
1531
1532 ether_addr_copy(stop_tdls_cs_params.peer_mac, peer_mac);
1533
1534 return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_CONFIG,
1535 ACT_TDLS_CS_STOP, 0,
1536 &stop_tdls_cs_params, true);
1537}
1538
1539int mwifiex_start_tdls_cs(struct mwifiex_private *priv, const u8 *peer_mac,
1540 u8 primary_chan, u8 second_chan_offset, u8 band)
1541{
1542 struct mwifiex_tdls_init_cs_params start_tdls_cs_params;
1543
1544 ether_addr_copy(start_tdls_cs_params.peer_mac, peer_mac);
1545 start_tdls_cs_params.primary_chan = primary_chan;
1546 start_tdls_cs_params.second_chan_offset = second_chan_offset;
1547 start_tdls_cs_params.band = band;
1548
1549 start_tdls_cs_params.switch_time = cpu_to_le16(MWIFIEX_DEF_CS_TIME);
1550 start_tdls_cs_params.switch_timeout =
1551 cpu_to_le16(MWIFIEX_DEF_CS_TIMEOUT);
1552 start_tdls_cs_params.reg_class = MWIFIEX_DEF_CS_REG_CLASS;
1553 start_tdls_cs_params.periodicity = MWIFIEX_DEF_CS_PERIODICITY;
1554
1555 return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_CONFIG,
1556 ACT_TDLS_CS_INIT, 0,
1557 &start_tdls_cs_params, true);
1558}
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