1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
4 *
5 * Contact Information: wlanfae <wlanfae@realtek.com>
6 */
7 #include <asm/byteorder.h>
8 #include <asm/unaligned.h>
9 #include <linux/etherdevice.h>
10 #include "rtllib.h"
11 #include "rtl819x_BA.h"
12
activate_ba_entry(struct ba_record * pBA,u16 Time)13 static void activate_ba_entry(struct ba_record *pBA, u16 Time)
14 {
15 pBA->b_valid = true;
16 if (Time != 0)
17 mod_timer(&pBA->timer, jiffies + msecs_to_jiffies(Time));
18 }
19
deactivate_ba_entry(struct rtllib_device * ieee,struct ba_record * pBA)20 static void deactivate_ba_entry(struct rtllib_device *ieee, struct ba_record *pBA)
21 {
22 pBA->b_valid = false;
23 del_timer_sync(&pBA->timer);
24 }
25
tx_ts_delete_ba(struct rtllib_device * ieee,struct tx_ts_record * pTxTs)26 static u8 tx_ts_delete_ba(struct rtllib_device *ieee, struct tx_ts_record *pTxTs)
27 {
28 struct ba_record *pAdmittedBa = &pTxTs->TxAdmittedBARecord;
29 struct ba_record *pPendingBa = &pTxTs->TxPendingBARecord;
30 u8 bSendDELBA = false;
31
32 if (pPendingBa->b_valid) {
33 deactivate_ba_entry(ieee, pPendingBa);
34 bSendDELBA = true;
35 }
36
37 if (pAdmittedBa->b_valid) {
38 deactivate_ba_entry(ieee, pAdmittedBa);
39 bSendDELBA = true;
40 }
41 return bSendDELBA;
42 }
43
rx_ts_delete_ba(struct rtllib_device * ieee,struct rx_ts_record * pRxTs)44 static u8 rx_ts_delete_ba(struct rtllib_device *ieee, struct rx_ts_record *pRxTs)
45 {
46 struct ba_record *pBa = &pRxTs->rx_admitted_ba_record;
47 u8 bSendDELBA = false;
48
49 if (pBa->b_valid) {
50 deactivate_ba_entry(ieee, pBa);
51 bSendDELBA = true;
52 }
53
54 return bSendDELBA;
55 }
56
rtllib_reset_ba_entry(struct ba_record * pBA)57 void rtllib_reset_ba_entry(struct ba_record *pBA)
58 {
59 pBA->b_valid = false;
60 pBA->ba_param_set.short_data = 0;
61 pBA->ba_timeout_value = 0;
62 pBA->dialog_token = 0;
63 pBA->ba_start_seq_ctrl.short_data = 0;
64 }
65
rtllib_ADDBA(struct rtllib_device * ieee,u8 * Dst,struct ba_record * pBA,u16 StatusCode,u8 type)66 static struct sk_buff *rtllib_ADDBA(struct rtllib_device *ieee, u8 *Dst,
67 struct ba_record *pBA,
68 u16 StatusCode, u8 type)
69 {
70 struct sk_buff *skb = NULL;
71 struct rtllib_hdr_3addr *BAReq = NULL;
72 u8 *tag = NULL;
73 u16 len = ieee->tx_headroom + 9;
74
75 netdev_dbg(ieee->dev, "%s(): frame(%d) sentd to: %pM, ieee->dev:%p\n",
76 __func__, type, Dst, ieee->dev);
77
78 if (!pBA) {
79 netdev_warn(ieee->dev, "pBA is NULL\n");
80 return NULL;
81 }
82 skb = dev_alloc_skb(len + sizeof(struct rtllib_hdr_3addr));
83 if (!skb)
84 return NULL;
85
86 memset(skb->data, 0, sizeof(struct rtllib_hdr_3addr));
87
88 skb_reserve(skb, ieee->tx_headroom);
89
90 BAReq = skb_put(skb, sizeof(struct rtllib_hdr_3addr));
91
92 ether_addr_copy(BAReq->addr1, Dst);
93 ether_addr_copy(BAReq->addr2, ieee->dev->dev_addr);
94
95 ether_addr_copy(BAReq->addr3, ieee->current_network.bssid);
96 BAReq->frame_ctl = cpu_to_le16(RTLLIB_STYPE_MANAGE_ACT);
97
98 tag = skb_put(skb, 9);
99 *tag++ = ACT_CAT_BA;
100 *tag++ = type;
101 *tag++ = pBA->dialog_token;
102
103 if (type == ACT_ADDBARSP) {
104 put_unaligned_le16(StatusCode, tag);
105 tag += 2;
106 }
107
108 put_unaligned_le16(pBA->ba_param_set.short_data, tag);
109 tag += 2;
110
111 put_unaligned_le16(pBA->ba_timeout_value, tag);
112 tag += 2;
113
114 if (type == ACT_ADDBAREQ) {
115 memcpy(tag, (u8 *)&pBA->ba_start_seq_ctrl, 2);
116 tag += 2;
117 }
118
119 #ifdef VERBOSE_DEBUG
120 print_hex_dump_bytes("%s: ", DUMP_PREFIX_NONE, skb->data,
121 __func__, skb->len);
122 #endif
123 return skb;
124 }
125
rtllib_DELBA(struct rtllib_device * ieee,u8 * dst,struct ba_record * pBA,enum tr_select TxRxSelect,u16 ReasonCode)126 static struct sk_buff *rtllib_DELBA(struct rtllib_device *ieee, u8 *dst,
127 struct ba_record *pBA,
128 enum tr_select TxRxSelect, u16 ReasonCode)
129 {
130 union delba_param_set DelbaParamSet;
131 struct sk_buff *skb = NULL;
132 struct rtllib_hdr_3addr *Delba = NULL;
133 u8 *tag = NULL;
134 u16 len = 6 + ieee->tx_headroom;
135
136 if (net_ratelimit())
137 netdev_dbg(ieee->dev, "%s(): ReasonCode(%d) sentd to: %pM\n",
138 __func__, ReasonCode, dst);
139
140 memset(&DelbaParamSet, 0, 2);
141
142 DelbaParamSet.field.initiator = (TxRxSelect == TX_DIR) ? 1 : 0;
143 DelbaParamSet.field.tid = pBA->ba_param_set.field.tid;
144
145 skb = dev_alloc_skb(len + sizeof(struct rtllib_hdr_3addr));
146 if (!skb)
147 return NULL;
148
149 skb_reserve(skb, ieee->tx_headroom);
150
151 Delba = skb_put(skb, sizeof(struct rtllib_hdr_3addr));
152
153 ether_addr_copy(Delba->addr1, dst);
154 ether_addr_copy(Delba->addr2, ieee->dev->dev_addr);
155 ether_addr_copy(Delba->addr3, ieee->current_network.bssid);
156 Delba->frame_ctl = cpu_to_le16(RTLLIB_STYPE_MANAGE_ACT);
157
158 tag = skb_put(skb, 6);
159
160 *tag++ = ACT_CAT_BA;
161 *tag++ = ACT_DELBA;
162
163 put_unaligned_le16(DelbaParamSet.short_data, tag);
164 tag += 2;
165
166 put_unaligned_le16(ReasonCode, tag);
167 tag += 2;
168
169 #ifdef VERBOSE_DEBUG
170 print_hex_dump_bytes("%s: ", DUMP_PREFIX_NONE, skb->data,
171 __func__, skb->len);
172 #endif
173 return skb;
174 }
175
rtllib_send_ADDBAReq(struct rtllib_device * ieee,u8 * dst,struct ba_record * pBA)176 static void rtllib_send_ADDBAReq(struct rtllib_device *ieee, u8 *dst,
177 struct ba_record *pBA)
178 {
179 struct sk_buff *skb;
180
181 skb = rtllib_ADDBA(ieee, dst, pBA, 0, ACT_ADDBAREQ);
182
183 if (skb)
184 softmac_mgmt_xmit(skb, ieee);
185 else
186 netdev_dbg(ieee->dev, "Failed to generate ADDBAReq packet.\n");
187 }
188
rtllib_send_ADDBARsp(struct rtllib_device * ieee,u8 * dst,struct ba_record * pBA,u16 StatusCode)189 static void rtllib_send_ADDBARsp(struct rtllib_device *ieee, u8 *dst,
190 struct ba_record *pBA, u16 StatusCode)
191 {
192 struct sk_buff *skb;
193
194 skb = rtllib_ADDBA(ieee, dst, pBA, StatusCode, ACT_ADDBARSP);
195 if (skb)
196 softmac_mgmt_xmit(skb, ieee);
197 else
198 netdev_dbg(ieee->dev, "Failed to generate ADDBARsp packet.\n");
199 }
200
rtllib_send_DELBA(struct rtllib_device * ieee,u8 * dst,struct ba_record * pBA,enum tr_select TxRxSelect,u16 ReasonCode)201 static void rtllib_send_DELBA(struct rtllib_device *ieee, u8 *dst,
202 struct ba_record *pBA, enum tr_select TxRxSelect,
203 u16 ReasonCode)
204 {
205 struct sk_buff *skb;
206
207 skb = rtllib_DELBA(ieee, dst, pBA, TxRxSelect, ReasonCode);
208 if (skb)
209 softmac_mgmt_xmit(skb, ieee);
210 else
211 netdev_dbg(ieee->dev, "Failed to generate DELBA packet.\n");
212 }
213
rtllib_rx_ADDBAReq(struct rtllib_device * ieee,struct sk_buff * skb)214 int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb)
215 {
216 struct rtllib_hdr_3addr *req = NULL;
217 u16 rc = 0;
218 u8 *dst = NULL, *pDialogToken = NULL, *tag = NULL;
219 struct ba_record *pBA = NULL;
220 union ba_param_set *pBaParamSet = NULL;
221 u16 *pBaTimeoutVal = NULL;
222 union sequence_control *pBaStartSeqCtrl = NULL;
223 struct rx_ts_record *pTS = NULL;
224
225 if (skb->len < sizeof(struct rtllib_hdr_3addr) + 9) {
226 netdev_warn(ieee->dev, "Invalid skb len in BAREQ(%d / %d)\n",
227 (int)skb->len,
228 (int)(sizeof(struct rtllib_hdr_3addr) + 9));
229 return -1;
230 }
231
232 #ifdef VERBOSE_DEBUG
233 print_hex_dump_bytes("%s: ", DUMP_PREFIX_NONE, __func__,
234 skb->data, skb->len);
235 #endif
236
237 req = (struct rtllib_hdr_3addr *)skb->data;
238 tag = (u8 *)req;
239 dst = (u8 *)(&req->addr2[0]);
240 tag += sizeof(struct rtllib_hdr_3addr);
241 pDialogToken = tag + 2;
242 pBaParamSet = (union ba_param_set *)(tag + 3);
243 pBaTimeoutVal = (u16 *)(tag + 5);
244 pBaStartSeqCtrl = (union sequence_control *)(req + 7);
245
246 if (!ieee->current_network.qos_data.active ||
247 !ieee->ht_info->bCurrentHTSupport ||
248 (ieee->ht_info->iot_action & HT_IOT_ACT_REJECT_ADDBA_REQ)) {
249 rc = ADDBA_STATUS_REFUSED;
250 netdev_warn(ieee->dev,
251 "Failed to reply on ADDBA_REQ as some capability is not ready(%d, %d)\n",
252 ieee->current_network.qos_data.active,
253 ieee->ht_info->bCurrentHTSupport);
254 goto OnADDBAReq_Fail;
255 }
256 if (!GetTs(ieee, (struct ts_common_info **)&pTS, dst,
257 (u8)(pBaParamSet->field.tid), RX_DIR, true)) {
258 rc = ADDBA_STATUS_REFUSED;
259 netdev_warn(ieee->dev, "%s(): can't get TS\n", __func__);
260 goto OnADDBAReq_Fail;
261 }
262 pBA = &pTS->rx_admitted_ba_record;
263
264 if (pBaParamSet->field.ba_policy == BA_POLICY_DELAYED) {
265 rc = ADDBA_STATUS_INVALID_PARAM;
266 netdev_warn(ieee->dev, "%s(): BA Policy is not correct\n",
267 __func__);
268 goto OnADDBAReq_Fail;
269 }
270
271 rtllib_FlushRxTsPendingPkts(ieee, pTS);
272
273 deactivate_ba_entry(ieee, pBA);
274 pBA->dialog_token = *pDialogToken;
275 pBA->ba_param_set = *pBaParamSet;
276 pBA->ba_timeout_value = *pBaTimeoutVal;
277 pBA->ba_start_seq_ctrl = *pBaStartSeqCtrl;
278
279 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev) ||
280 (ieee->ht_info->iot_action & HT_IOT_ACT_ALLOW_PEER_AGG_ONE_PKT))
281 pBA->ba_param_set.field.buffer_size = 1;
282 else
283 pBA->ba_param_set.field.buffer_size = 32;
284
285 activate_ba_entry(pBA, 0);
286 rtllib_send_ADDBARsp(ieee, dst, pBA, ADDBA_STATUS_SUCCESS);
287
288 return 0;
289
290 OnADDBAReq_Fail:
291 {
292 struct ba_record BA;
293
294 BA.ba_param_set = *pBaParamSet;
295 BA.ba_timeout_value = *pBaTimeoutVal;
296 BA.dialog_token = *pDialogToken;
297 BA.ba_param_set.field.ba_policy = BA_POLICY_IMMEDIATE;
298 rtllib_send_ADDBARsp(ieee, dst, &BA, rc);
299 return 0;
300 }
301 }
302
rtllib_rx_ADDBARsp(struct rtllib_device * ieee,struct sk_buff * skb)303 int rtllib_rx_ADDBARsp(struct rtllib_device *ieee, struct sk_buff *skb)
304 {
305 struct rtllib_hdr_3addr *rsp = NULL;
306 struct ba_record *pPendingBA, *pAdmittedBA;
307 struct tx_ts_record *pTS = NULL;
308 u8 *dst = NULL, *pDialogToken = NULL, *tag = NULL;
309 u16 *pStatusCode = NULL, *pBaTimeoutVal = NULL;
310 union ba_param_set *pBaParamSet = NULL;
311 u16 ReasonCode;
312
313 if (skb->len < sizeof(struct rtllib_hdr_3addr) + 9) {
314 netdev_warn(ieee->dev, "Invalid skb len in BARSP(%d / %d)\n",
315 (int)skb->len,
316 (int)(sizeof(struct rtllib_hdr_3addr) + 9));
317 return -1;
318 }
319 rsp = (struct rtllib_hdr_3addr *)skb->data;
320 tag = (u8 *)rsp;
321 dst = (u8 *)(&rsp->addr2[0]);
322 tag += sizeof(struct rtllib_hdr_3addr);
323 pDialogToken = tag + 2;
324 pStatusCode = (u16 *)(tag + 3);
325 pBaParamSet = (union ba_param_set *)(tag + 5);
326 pBaTimeoutVal = (u16 *)(tag + 7);
327
328 if (!ieee->current_network.qos_data.active ||
329 !ieee->ht_info->bCurrentHTSupport ||
330 !ieee->ht_info->bCurrentAMPDUEnable) {
331 netdev_warn(ieee->dev,
332 "reject to ADDBA_RSP as some capability is not ready(%d, %d, %d)\n",
333 ieee->current_network.qos_data.active,
334 ieee->ht_info->bCurrentHTSupport,
335 ieee->ht_info->bCurrentAMPDUEnable);
336 ReasonCode = DELBA_REASON_UNKNOWN_BA;
337 goto OnADDBARsp_Reject;
338 }
339
340 if (!GetTs(ieee, (struct ts_common_info **)&pTS, dst,
341 (u8)(pBaParamSet->field.tid), TX_DIR, false)) {
342 netdev_warn(ieee->dev, "%s(): can't get TS\n", __func__);
343 ReasonCode = DELBA_REASON_UNKNOWN_BA;
344 goto OnADDBARsp_Reject;
345 }
346
347 pTS->bAddBaReqInProgress = false;
348 pPendingBA = &pTS->TxPendingBARecord;
349 pAdmittedBA = &pTS->TxAdmittedBARecord;
350
351 if (pAdmittedBA->b_valid) {
352 netdev_dbg(ieee->dev, "%s(): ADDBA response already admitted\n",
353 __func__);
354 return -1;
355 } else if (!pPendingBA->b_valid ||
356 (*pDialogToken != pPendingBA->dialog_token)) {
357 netdev_warn(ieee->dev,
358 "%s(): ADDBA Rsp. BA invalid, DELBA!\n",
359 __func__);
360 ReasonCode = DELBA_REASON_UNKNOWN_BA;
361 goto OnADDBARsp_Reject;
362 } else {
363 netdev_dbg(ieee->dev,
364 "%s(): Recv ADDBA Rsp. BA is admitted! Status code:%X\n",
365 __func__, *pStatusCode);
366 deactivate_ba_entry(ieee, pPendingBA);
367 }
368
369 if (*pStatusCode == ADDBA_STATUS_SUCCESS) {
370 if (pBaParamSet->field.ba_policy == BA_POLICY_DELAYED) {
371 pTS->bAddBaReqDelayed = true;
372 deactivate_ba_entry(ieee, pAdmittedBA);
373 ReasonCode = DELBA_REASON_END_BA;
374 goto OnADDBARsp_Reject;
375 }
376
377 pAdmittedBA->dialog_token = *pDialogToken;
378 pAdmittedBA->ba_timeout_value = *pBaTimeoutVal;
379 pAdmittedBA->ba_start_seq_ctrl = pPendingBA->ba_start_seq_ctrl;
380 pAdmittedBA->ba_param_set = *pBaParamSet;
381 deactivate_ba_entry(ieee, pAdmittedBA);
382 activate_ba_entry(pAdmittedBA, *pBaTimeoutVal);
383 } else {
384 pTS->bAddBaReqDelayed = true;
385 pTS->bDisable_AddBa = true;
386 ReasonCode = DELBA_REASON_END_BA;
387 goto OnADDBARsp_Reject;
388 }
389
390 return 0;
391
392 OnADDBARsp_Reject:
393 {
394 struct ba_record BA;
395
396 BA.ba_param_set = *pBaParamSet;
397 rtllib_send_DELBA(ieee, dst, &BA, TX_DIR, ReasonCode);
398 return 0;
399 }
400 }
401
rtllib_rx_DELBA(struct rtllib_device * ieee,struct sk_buff * skb)402 int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb)
403 {
404 struct rtllib_hdr_3addr *delba = NULL;
405 union delba_param_set *pDelBaParamSet = NULL;
406 u8 *dst = NULL;
407
408 if (skb->len < sizeof(struct rtllib_hdr_3addr) + 6) {
409 netdev_warn(ieee->dev, "Invalid skb len in DELBA(%d / %d)\n",
410 (int)skb->len,
411 (int)(sizeof(struct rtllib_hdr_3addr) + 6));
412 return -1;
413 }
414
415 if (!ieee->current_network.qos_data.active ||
416 !ieee->ht_info->bCurrentHTSupport) {
417 netdev_warn(ieee->dev,
418 "received DELBA while QOS or HT is not supported(%d, %d)\n",
419 ieee->current_network. qos_data.active,
420 ieee->ht_info->bCurrentHTSupport);
421 return -1;
422 }
423
424 #ifdef VERBOSE_DEBUG
425 print_hex_dump_bytes("%s: ", DUMP_PREFIX_NONE, skb->data,
426 __func__, skb->len);
427 #endif
428 delba = (struct rtllib_hdr_3addr *)skb->data;
429 dst = (u8 *)(&delba->addr2[0]);
430 pDelBaParamSet = (union delba_param_set *)&delba->payload[2];
431
432 if (pDelBaParamSet->field.initiator == 1) {
433 struct rx_ts_record *pRxTs;
434
435 if (!GetTs(ieee, (struct ts_common_info **)&pRxTs, dst,
436 (u8)pDelBaParamSet->field.tid, RX_DIR, false)) {
437 netdev_warn(ieee->dev,
438 "%s(): can't get TS for RXTS. dst:%pM TID:%d\n",
439 __func__, dst,
440 (u8)pDelBaParamSet->field.tid);
441 return -1;
442 }
443
444 rx_ts_delete_ba(ieee, pRxTs);
445 } else {
446 struct tx_ts_record *pTxTs;
447
448 if (!GetTs(ieee, (struct ts_common_info **)&pTxTs, dst,
449 (u8)pDelBaParamSet->field.tid, TX_DIR, false)) {
450 netdev_warn(ieee->dev, "%s(): can't get TS for TXTS\n",
451 __func__);
452 return -1;
453 }
454
455 pTxTs->bUsingBa = false;
456 pTxTs->bAddBaReqInProgress = false;
457 pTxTs->bAddBaReqDelayed = false;
458 del_timer_sync(&pTxTs->TsAddBaTimer);
459 tx_ts_delete_ba(ieee, pTxTs);
460 }
461 return 0;
462 }
463
rtllib_ts_init_add_ba(struct rtllib_device * ieee,struct tx_ts_record * pTS,u8 Policy,u8 bOverwritePending)464 void rtllib_ts_init_add_ba(struct rtllib_device *ieee, struct tx_ts_record *pTS,
465 u8 Policy, u8 bOverwritePending)
466 {
467 struct ba_record *pBA = &pTS->TxPendingBARecord;
468
469 if (pBA->b_valid && !bOverwritePending)
470 return;
471
472 deactivate_ba_entry(ieee, pBA);
473
474 pBA->dialog_token++;
475 pBA->ba_param_set.field.amsdu_support = 0;
476 pBA->ba_param_set.field.ba_policy = Policy;
477 pBA->ba_param_set.field.tid = pTS->TsCommonInfo.TSpec.f.TSInfo.field.ucTSID;
478 pBA->ba_param_set.field.buffer_size = 32;
479 pBA->ba_timeout_value = 0;
480 pBA->ba_start_seq_ctrl.field.seq_num = (pTS->TxCurSeq + 3) % 4096;
481
482 activate_ba_entry(pBA, BA_SETUP_TIMEOUT);
483
484 rtllib_send_ADDBAReq(ieee, pTS->TsCommonInfo.Addr, pBA);
485 }
486
rtllib_ts_init_del_ba(struct rtllib_device * ieee,struct ts_common_info * pTsCommonInfo,enum tr_select TxRxSelect)487 void rtllib_ts_init_del_ba(struct rtllib_device *ieee,
488 struct ts_common_info *pTsCommonInfo,
489 enum tr_select TxRxSelect)
490 {
491 if (TxRxSelect == TX_DIR) {
492 struct tx_ts_record *pTxTs =
493 (struct tx_ts_record *)pTsCommonInfo;
494
495 if (tx_ts_delete_ba(ieee, pTxTs))
496 rtllib_send_DELBA(ieee, pTsCommonInfo->Addr,
497 (pTxTs->TxAdmittedBARecord.b_valid) ?
498 (&pTxTs->TxAdmittedBARecord) :
499 (&pTxTs->TxPendingBARecord),
500 TxRxSelect, DELBA_REASON_END_BA);
501 } else if (TxRxSelect == RX_DIR) {
502 struct rx_ts_record *pRxTs =
503 (struct rx_ts_record *)pTsCommonInfo;
504 if (rx_ts_delete_ba(ieee, pRxTs))
505 rtllib_send_DELBA(ieee, pTsCommonInfo->Addr,
506 &pRxTs->rx_admitted_ba_record,
507 TxRxSelect, DELBA_REASON_END_BA);
508 }
509 }
510
rtllib_ba_setup_timeout(struct timer_list * t)511 void rtllib_ba_setup_timeout(struct timer_list *t)
512 {
513 struct tx_ts_record *pTxTs = from_timer(pTxTs, t,
514 TxPendingBARecord.timer);
515
516 pTxTs->bAddBaReqInProgress = false;
517 pTxTs->bAddBaReqDelayed = true;
518 pTxTs->TxPendingBARecord.b_valid = false;
519 }
520
rtllib_tx_ba_inact_timeout(struct timer_list * t)521 void rtllib_tx_ba_inact_timeout(struct timer_list *t)
522 {
523 struct tx_ts_record *pTxTs = from_timer(pTxTs, t,
524 TxAdmittedBARecord.timer);
525 struct rtllib_device *ieee = container_of(pTxTs, struct rtllib_device,
526 TxTsRecord[pTxTs->num]);
527 tx_ts_delete_ba(ieee, pTxTs);
528 rtllib_send_DELBA(ieee, pTxTs->TsCommonInfo.Addr,
529 &pTxTs->TxAdmittedBARecord, TX_DIR,
530 DELBA_REASON_TIMEOUT);
531 }
532
rtllib_rx_ba_inact_timeout(struct timer_list * t)533 void rtllib_rx_ba_inact_timeout(struct timer_list *t)
534 {
535 struct rx_ts_record *pRxTs = from_timer(pRxTs, t,
536 rx_admitted_ba_record.timer);
537 struct rtllib_device *ieee = container_of(pRxTs, struct rtllib_device,
538 RxTsRecord[pRxTs->num]);
539
540 rx_ts_delete_ba(ieee, pRxTs);
541 rtllib_send_DELBA(ieee, pRxTs->ts_common_info.Addr,
542 &pRxTs->rx_admitted_ba_record, RX_DIR,
543 DELBA_REASON_TIMEOUT);
544 }
545
