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gpio: rcar: Fix runtime PM imbalance on error
[linux/fpc-iii.git] / drivers / net / wireless / realtek / rtw88 / mac80211.c
blobd7d02e4c0184192da6c42fb018faeddeb1de2d58
1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /* Copyright(c) 2018-2019 Realtek Corporation
3 */
4
5 #include "main.h"
6 #include "sec.h"
7 #include "tx.h"
8 #include "fw.h"
9 #include "mac.h"
10 #include "coex.h"
11 #include "ps.h"
12 #include "reg.h"
13 #include "bf.h"
14 #include "debug.h"
15 #include "wow.h"
16
17 static void rtw_ops_tx(struct ieee80211_hw *hw,
18 struct ieee80211_tx_control *control,
19 struct sk_buff *skb)
20 {
21 struct rtw_dev *rtwdev = hw->priv;
22
23 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) {
24 ieee80211_free_txskb(hw, skb);
25 return;
26 }
27
28 rtw_tx(rtwdev, control, skb);
29 }
30
31 static void rtw_ops_wake_tx_queue(struct ieee80211_hw *hw,
32 struct ieee80211_txq *txq)
33 {
34 struct rtw_dev *rtwdev = hw->priv;
35 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv;
36
37 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags))
38 return;
39
40 spin_lock_bh(&rtwdev->txq_lock);
41 if (list_empty(&rtwtxq->list))
42 list_add_tail(&rtwtxq->list, &rtwdev->txqs);
43 spin_unlock_bh(&rtwdev->txq_lock);
44
45 tasklet_schedule(&rtwdev->tx_tasklet);
46 }
47
48 static int rtw_ops_start(struct ieee80211_hw *hw)
49 {
50 struct rtw_dev *rtwdev = hw->priv;
51 int ret;
52
53 mutex_lock(&rtwdev->mutex);
54 ret = rtw_core_start(rtwdev);
55 mutex_unlock(&rtwdev->mutex);
56
57 return ret;
58 }
59
60 static void rtw_ops_stop(struct ieee80211_hw *hw)
61 {
62 struct rtw_dev *rtwdev = hw->priv;
63
64 mutex_lock(&rtwdev->mutex);
65 rtw_core_stop(rtwdev);
66 mutex_unlock(&rtwdev->mutex);
67 }
68
69 static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed)
70 {
71 struct rtw_dev *rtwdev = hw->priv;
72 int ret = 0;
73
74 mutex_lock(&rtwdev->mutex);
75
76 rtw_leave_lps_deep(rtwdev);
77
78 if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
79 !(hw->conf.flags & IEEE80211_CONF_IDLE)) {
80 ret = rtw_leave_ips(rtwdev);
81 if (ret) {
82 rtw_err(rtwdev, "failed to leave idle state\n");
83 goto out;
84 }
85 }
86
87 if (changed & IEEE80211_CONF_CHANGE_PS) {
88 if (hw->conf.flags & IEEE80211_CONF_PS) {
89 rtwdev->ps_enabled = true;
90 } else {
91 rtwdev->ps_enabled = false;
92 rtw_leave_lps(rtwdev);
93 }
94 }
95
96 if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
97 rtw_set_channel(rtwdev);
98
99 if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
100 (hw->conf.flags & IEEE80211_CONF_IDLE))
101 rtw_enter_ips(rtwdev);
102
103 out:
104 mutex_unlock(&rtwdev->mutex);
105 return ret;
106 }
107
108 static const struct rtw_vif_port rtw_vif_port[] = {
109 [0] = {
110 .mac_addr = {.addr = 0x0610},
111 .bssid = {.addr = 0x0618},
112 .net_type = {.addr = 0x0100, .mask = 0x30000},
113 .aid = {.addr = 0x06a8, .mask = 0x7ff},
114 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff},
115 },
116 [1] = {
117 .mac_addr = {.addr = 0x0700},
118 .bssid = {.addr = 0x0708},
119 .net_type = {.addr = 0x0100, .mask = 0xc0000},
120 .aid = {.addr = 0x0710, .mask = 0x7ff},
121 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff},
122 },
123 [2] = {
124 .mac_addr = {.addr = 0x1620},
125 .bssid = {.addr = 0x1628},
126 .net_type = {.addr = 0x1100, .mask = 0x3},
127 .aid = {.addr = 0x1600, .mask = 0x7ff},
128 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff},
129 },
130 [3] = {
131 .mac_addr = {.addr = 0x1630},
132 .bssid = {.addr = 0x1638},
133 .net_type = {.addr = 0x1100, .mask = 0xc},
134 .aid = {.addr = 0x1604, .mask = 0x7ff},
135 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff},
136 },
137 [4] = {
138 .mac_addr = {.addr = 0x1640},
139 .bssid = {.addr = 0x1648},
140 .net_type = {.addr = 0x1100, .mask = 0x30},
141 .aid = {.addr = 0x1608, .mask = 0x7ff},
142 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff},
143 },
144 };
145
146 static int rtw_ops_add_interface(struct ieee80211_hw *hw,
147 struct ieee80211_vif *vif)
148 {
149 struct rtw_dev *rtwdev = hw->priv;
150 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
151 enum rtw_net_type net_type;
152 u32 config = 0;
153 u8 port = 0;
154 u8 bcn_ctrl = 0;
155
156 rtwvif->port = port;
157 rtwvif->stats.tx_unicast = 0;
158 rtwvif->stats.rx_unicast = 0;
159 rtwvif->stats.tx_cnt = 0;
160 rtwvif->stats.rx_cnt = 0;
161 memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee));
162 rtwvif->conf = &rtw_vif_port[port];
163 rtw_txq_init(rtwdev, vif->txq);
164 INIT_LIST_HEAD(&rtwvif->rsvd_page_list);
165
166 mutex_lock(&rtwdev->mutex);
167
168 rtw_leave_lps_deep(rtwdev);
169
170 switch (vif->type) {
171 case NL80211_IFTYPE_AP:
172 case NL80211_IFTYPE_MESH_POINT:
173 rtw_add_rsvd_page_bcn(rtwdev, rtwvif);
174 net_type = RTW_NET_AP_MODE;
175 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT;
176 break;
177 case NL80211_IFTYPE_ADHOC:
178 rtw_add_rsvd_page_bcn(rtwdev, rtwvif);
179 net_type = RTW_NET_AD_HOC;
180 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT;
181 break;
182 case NL80211_IFTYPE_STATION:
183 rtw_add_rsvd_page_sta(rtwdev, rtwvif);
184 net_type = RTW_NET_NO_LINK;
185 bcn_ctrl = BIT_EN_BCN_FUNCTION;
186 break;
187 default:
188 WARN_ON(1);
189 mutex_unlock(&rtwdev->mutex);
190 return -EINVAL;
191 }
192
193 ether_addr_copy(rtwvif->mac_addr, vif->addr);
194 config |= PORT_SET_MAC_ADDR;
195 rtwvif->net_type = net_type;
196 config |= PORT_SET_NET_TYPE;
197 rtwvif->bcn_ctrl = bcn_ctrl;
198 config |= PORT_SET_BCN_CTRL;
199 rtw_vif_port_config(rtwdev, rtwvif, config);
200
201 mutex_unlock(&rtwdev->mutex);
202
203 rtw_info(rtwdev, "start vif %pM on port %d\n", vif->addr, rtwvif->port);
204 return 0;
205 }
206
207 static void rtw_ops_remove_interface(struct ieee80211_hw *hw,
208 struct ieee80211_vif *vif)
209 {
210 struct rtw_dev *rtwdev = hw->priv;
211 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
212 u32 config = 0;
213
214 rtw_info(rtwdev, "stop vif %pM on port %d\n", vif->addr, rtwvif->port);
215
216 mutex_lock(&rtwdev->mutex);
217
218 rtw_leave_lps_deep(rtwdev);
219
220 rtw_txq_cleanup(rtwdev, vif->txq);
221 rtw_remove_rsvd_page(rtwdev, rtwvif);
222
223 eth_zero_addr(rtwvif->mac_addr);
224 config |= PORT_SET_MAC_ADDR;
225 rtwvif->net_type = RTW_NET_NO_LINK;
226 config |= PORT_SET_NET_TYPE;
227 rtwvif->bcn_ctrl = 0;
228 config |= PORT_SET_BCN_CTRL;
229 rtw_vif_port_config(rtwdev, rtwvif, config);
230
231 mutex_unlock(&rtwdev->mutex);
232 }
233
234 static void rtw_ops_configure_filter(struct ieee80211_hw *hw,
235 unsigned int changed_flags,
236 unsigned int *new_flags,
237 u64 multicast)
238 {
239 struct rtw_dev *rtwdev = hw->priv;
240
241 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL |
242 FIF_BCN_PRBRESP_PROMISC;
243
244 mutex_lock(&rtwdev->mutex);
245
246 rtw_leave_lps_deep(rtwdev);
247
248 if (changed_flags & FIF_ALLMULTI) {
249 if (*new_flags & FIF_ALLMULTI)
250 rtwdev->hal.rcr |= BIT_AM | BIT_AB;
251 else
252 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB);
253 }
254 if (changed_flags & FIF_FCSFAIL) {
255 if (*new_flags & FIF_FCSFAIL)
256 rtwdev->hal.rcr |= BIT_ACRC32;
257 else
258 rtwdev->hal.rcr &= ~(BIT_ACRC32);
259 }
260 if (changed_flags & FIF_OTHER_BSS) {
261 if (*new_flags & FIF_OTHER_BSS)
262 rtwdev->hal.rcr |= BIT_AAP;
263 else
264 rtwdev->hal.rcr &= ~(BIT_AAP);
265 }
266 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
267 if (*new_flags & FIF_BCN_PRBRESP_PROMISC)
268 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA);
269 else
270 rtwdev->hal.rcr |= BIT_CBSSID_BCN;
271 }
272
273 rtw_dbg(rtwdev, RTW_DBG_RX,
274 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n",
275 changed_flags, *new_flags, rtwdev->hal.rcr);
276
277 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
278
279 mutex_unlock(&rtwdev->mutex);
280 }
281
282 /* Only have one group of EDCA parameters now */
283 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = {
284 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM,
285 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM,
286 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM,
287 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM,
288 };
289
290 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev,
291 struct rtw_vif *rtwvif, u8 aifsn)
292 {
293 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
294 u8 slot_time;
295 u8 sifs;
296
297 slot_time = vif->bss_conf.use_short_slot ? 9 : 20;
298 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10;
299
300 return aifsn * slot_time + sifs;
301 }
302
303 static void __rtw_conf_tx(struct rtw_dev *rtwdev,
304 struct rtw_vif *rtwvif, u16 ac)
305 {
306 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac];
307 u32 edca_param = ac_to_edca_param[ac];
308 u8 ecw_max, ecw_min;
309 u8 aifs;
310
311 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */
312 ecw_max = ilog2(params->cw_max + 1);
313 ecw_min = ilog2(params->cw_min + 1);
314 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs);
315 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop);
316 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max);
317 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min);
318 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs);
319 }
320
321 static void rtw_conf_tx(struct rtw_dev *rtwdev,
322 struct rtw_vif *rtwvif)
323 {
324 u16 ac;
325
326 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
327 __rtw_conf_tx(rtwdev, rtwvif, ac);
328 }
329
330 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw,
331 struct ieee80211_vif *vif,
332 struct ieee80211_bss_conf *conf,
333 u32 changed)
334 {
335 struct rtw_dev *rtwdev = hw->priv;
336 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
337 u32 config = 0;
338
339 mutex_lock(&rtwdev->mutex);
340
341 rtw_leave_lps_deep(rtwdev);
342
343 if (changed & BSS_CHANGED_ASSOC) {
344 struct rtw_chip_info *chip = rtwdev->chip;
345 enum rtw_net_type net_type;
346
347 if (conf->assoc) {
348 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH);
349 net_type = RTW_NET_MGD_LINKED;
350 chip->ops->phy_calibration(rtwdev);
351
352 rtwvif->aid = conf->aid;
353 rtw_fw_download_rsvd_page(rtwdev);
354 rtw_send_rsvd_page_h2c(rtwdev);
355 rtw_coex_media_status_notify(rtwdev, conf->assoc);
356 if (rtw_bf_support)
357 rtw_bf_assoc(rtwdev, vif, conf);
358 } else {
359 rtw_leave_lps(rtwdev);
360 net_type = RTW_NET_NO_LINK;
361 rtwvif->aid = 0;
362 rtw_bf_disassoc(rtwdev, vif, conf);
363 }
364
365 rtwvif->net_type = net_type;
366 config |= PORT_SET_NET_TYPE;
367 config |= PORT_SET_AID;
368 }
369
370 if (changed & BSS_CHANGED_BSSID) {
371 ether_addr_copy(rtwvif->bssid, conf->bssid);
372 config |= PORT_SET_BSSID;
373 }
374
375 if (changed & BSS_CHANGED_BEACON)
376 rtw_fw_download_rsvd_page(rtwdev);
377
378 if (changed & BSS_CHANGED_MU_GROUPS) {
379 struct rtw_chip_info *chip = rtwdev->chip;
380
381 chip->ops->set_gid_table(rtwdev, vif, conf);
382 }
383
384 if (changed & BSS_CHANGED_ERP_SLOT)
385 rtw_conf_tx(rtwdev, rtwvif);
386
387 rtw_vif_port_config(rtwdev, rtwvif, config);
388
389 mutex_unlock(&rtwdev->mutex);
390 }
391
392 static int rtw_ops_conf_tx(struct ieee80211_hw *hw,
393 struct ieee80211_vif *vif, u16 ac,
394 const struct ieee80211_tx_queue_params *params)
395 {
396 struct rtw_dev *rtwdev = hw->priv;
397 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
398
399 mutex_lock(&rtwdev->mutex);
400
401 rtw_leave_lps_deep(rtwdev);
402
403 rtwvif->tx_params[ac] = *params;
404 __rtw_conf_tx(rtwdev, rtwvif, ac);
405
406 mutex_unlock(&rtwdev->mutex);
407
408 return 0;
409 }
410
411 static u8 rtw_acquire_macid(struct rtw_dev *rtwdev)
412 {
413 unsigned long mac_id;
414
415 mac_id = find_first_zero_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM);
416 if (mac_id < RTW_MAX_MAC_ID_NUM)
417 set_bit(mac_id, rtwdev->mac_id_map);
418
419 return mac_id;
420 }
421
422 static void rtw_release_macid(struct rtw_dev *rtwdev, u8 mac_id)
423 {
424 clear_bit(mac_id, rtwdev->mac_id_map);
425 }
426
427 static int rtw_ops_sta_add(struct ieee80211_hw *hw,
428 struct ieee80211_vif *vif,
429 struct ieee80211_sta *sta)
430 {
431 struct rtw_dev *rtwdev = hw->priv;
432 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
433 int i;
434 int ret = 0;
435
436 mutex_lock(&rtwdev->mutex);
437
438 si->mac_id = rtw_acquire_macid(rtwdev);
439 if (si->mac_id >= RTW_MAX_MAC_ID_NUM) {
440 ret = -ENOSPC;
441 goto out;
442 }
443
444 si->sta = sta;
445 si->vif = vif;
446 si->init_ra_lv = 1;
447 ewma_rssi_init(&si->avg_rssi);
448 for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
449 rtw_txq_init(rtwdev, sta->txq[i]);
450
451 rtw_update_sta_info(rtwdev, si);
452 rtw_fw_media_status_report(rtwdev, si->mac_id, true);
453
454 rtwdev->sta_cnt++;
455
456 rtw_info(rtwdev, "sta %pM joined with macid %d\n",
457 sta->addr, si->mac_id);
458
459 out:
460 mutex_unlock(&rtwdev->mutex);
461 return ret;
462 }
463
464 static int rtw_ops_sta_remove(struct ieee80211_hw *hw,
465 struct ieee80211_vif *vif,
466 struct ieee80211_sta *sta)
467 {
468 struct rtw_dev *rtwdev = hw->priv;
469 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
470 int i;
471
472 mutex_lock(&rtwdev->mutex);
473
474 rtw_release_macid(rtwdev, si->mac_id);
475 rtw_fw_media_status_report(rtwdev, si->mac_id, false);
476
477 for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
478 rtw_txq_cleanup(rtwdev, sta->txq[i]);
479
480 kfree(si->mask);
481
482 rtwdev->sta_cnt--;
483
484 rtw_info(rtwdev, "sta %pM with macid %d left\n",
485 sta->addr, si->mac_id);
486
487 mutex_unlock(&rtwdev->mutex);
488 return 0;
489 }
490
491 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
492 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
493 struct ieee80211_key_conf *key)
494 {
495 struct rtw_dev *rtwdev = hw->priv;
496 struct rtw_sec_desc *sec = &rtwdev->sec;
497 u8 hw_key_type;
498 u8 hw_key_idx;
499 int ret = 0;
500
501 switch (key->cipher) {
502 case WLAN_CIPHER_SUITE_WEP40:
503 hw_key_type = RTW_CAM_WEP40;
504 break;
505 case WLAN_CIPHER_SUITE_WEP104:
506 hw_key_type = RTW_CAM_WEP104;
507 break;
508 case WLAN_CIPHER_SUITE_TKIP:
509 hw_key_type = RTW_CAM_TKIP;
510 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
511 break;
512 case WLAN_CIPHER_SUITE_CCMP:
513 hw_key_type = RTW_CAM_AES;
514 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
515 break;
516 case WLAN_CIPHER_SUITE_AES_CMAC:
517 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
518 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
519 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
520 case WLAN_CIPHER_SUITE_CCMP_256:
521 case WLAN_CIPHER_SUITE_GCMP:
522 case WLAN_CIPHER_SUITE_GCMP_256:
523 /* suppress error messages */
524 return -EOPNOTSUPP;
525 default:
526 return -ENOTSUPP;
527 }
528
529 mutex_lock(&rtwdev->mutex);
530
531 rtw_leave_lps_deep(rtwdev);
532
533 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
534 hw_key_idx = rtw_sec_get_free_cam(sec);
535 } else {
536 /* multiple interfaces? */
537 hw_key_idx = key->keyidx;
538 }
539
540 if (hw_key_idx > sec->total_cam_num) {
541 ret = -ENOSPC;
542 goto out;
543 }
544
545 switch (cmd) {
546 case SET_KEY:
547 /* need sw generated IV */
548 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
549 key->hw_key_idx = hw_key_idx;
550 rtw_sec_write_cam(rtwdev, sec, sta, key,
551 hw_key_type, hw_key_idx);
552 break;
553 case DISABLE_KEY:
554 rtw_mac_flush_all_queues(rtwdev, false);
555 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx);
556 break;
557 }
558
559 /* download new cam settings for PG to backup */
560 if (rtw_fw_lps_deep_mode == LPS_DEEP_MODE_PG)
561 rtw_fw_download_rsvd_page(rtwdev);
562
563 out:
564 mutex_unlock(&rtwdev->mutex);
565
566 return ret;
567 }
568
569 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw,
570 struct ieee80211_vif *vif,
571 struct ieee80211_ampdu_params *params)
572 {
573 struct ieee80211_sta *sta = params->sta;
574 u16 tid = params->tid;
575 struct ieee80211_txq *txq = sta->txq[tid];
576 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv;
577
578 switch (params->action) {
579 case IEEE80211_AMPDU_TX_START:
580 return IEEE80211_AMPDU_TX_START_IMMEDIATE;
581 case IEEE80211_AMPDU_TX_STOP_CONT:
582 case IEEE80211_AMPDU_TX_STOP_FLUSH:
583 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
584 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags);
585 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
586 break;
587 case IEEE80211_AMPDU_TX_OPERATIONAL:
588 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags);
589 break;
590 case IEEE80211_AMPDU_RX_START:
591 case IEEE80211_AMPDU_RX_STOP:
592 break;
593 default:
594 WARN_ON(1);
595 return -ENOTSUPP;
596 }
597
598 return 0;
599 }
600
601 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw,
602 struct sk_buff *head,
603 struct sk_buff *skb)
604 {
605 struct rtw_dev *rtwdev = hw->priv;
606 struct rtw_hal *hal = &rtwdev->hal;
607
608 /* we don't want to enable TX AMSDU on 2.4G */
609 if (hal->current_band_type == RTW_BAND_2G)
610 return false;
611
612 return true;
613 }
614
615 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw,
616 struct ieee80211_vif *vif,
617 const u8 *mac_addr)
618 {
619 struct rtw_dev *rtwdev = hw->priv;
620 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
621 u32 config = 0;
622
623 mutex_lock(&rtwdev->mutex);
624
625 rtw_leave_lps(rtwdev);
626
627 ether_addr_copy(rtwvif->mac_addr, mac_addr);
628 config |= PORT_SET_MAC_ADDR;
629 rtw_vif_port_config(rtwdev, rtwvif, config);
630
631 rtw_coex_scan_notify(rtwdev, COEX_SCAN_START);
632
633 set_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags);
634 set_bit(RTW_FLAG_SCANNING, rtwdev->flags);
635
636 mutex_unlock(&rtwdev->mutex);
637 }
638
639 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw,
640 struct ieee80211_vif *vif)
641 {
642 struct rtw_dev *rtwdev = hw->priv;
643 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
644 u32 config = 0;
645
646 mutex_lock(&rtwdev->mutex);
647
648 clear_bit(RTW_FLAG_SCANNING, rtwdev->flags);
649 clear_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags);
650
651 ether_addr_copy(rtwvif->mac_addr, vif->addr);
652 config |= PORT_SET_MAC_ADDR;
653 rtw_vif_port_config(rtwdev, rtwvif, config);
654
655 rtw_coex_scan_notify(rtwdev, COEX_SCAN_FINISH);
656
657 mutex_unlock(&rtwdev->mutex);
658 }
659
660 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw,
661 struct ieee80211_vif *vif,
662 u16 duration)
663 {
664 struct rtw_dev *rtwdev = hw->priv;
665
666 mutex_lock(&rtwdev->mutex);
667 rtw_leave_lps_deep(rtwdev);
668 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START);
669 mutex_unlock(&rtwdev->mutex);
670 }
671
672 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
673 {
674 struct rtw_dev *rtwdev = hw->priv;
675
676 mutex_lock(&rtwdev->mutex);
677 rtwdev->rts_threshold = value;
678 mutex_unlock(&rtwdev->mutex);
679
680 return 0;
681 }
682
683 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw,
684 struct ieee80211_vif *vif,
685 struct ieee80211_sta *sta,
686 struct station_info *sinfo)
687 {
688 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
689
690 sinfo->txrate = si->ra_report.txrate;
691 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
692 }
693
694 static void rtw_ops_flush(struct ieee80211_hw *hw,
695 struct ieee80211_vif *vif,
696 u32 queues, bool drop)
697 {
698 struct rtw_dev *rtwdev = hw->priv;
699
700 mutex_lock(&rtwdev->mutex);
701 rtw_leave_lps_deep(rtwdev);
702
703 rtw_mac_flush_queues(rtwdev, queues, drop);
704 mutex_unlock(&rtwdev->mutex);
705 }
706
707 struct rtw_iter_bitrate_mask_data {
708 struct rtw_dev *rtwdev;
709 struct ieee80211_vif *vif;
710 const struct cfg80211_bitrate_mask *mask;
711 };
712
713 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta)
714 {
715 struct rtw_iter_bitrate_mask_data *br_data = data;
716 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
717
718 if (si->vif != br_data->vif)
719 return;
720
721 /* free previous mask setting */
722 kfree(si->mask);
723 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask),
724 GFP_ATOMIC);
725 if (!si->mask) {
726 si->use_cfg_mask = false;
727 return;
728 }
729
730 si->use_cfg_mask = true;
731 rtw_update_sta_info(br_data->rtwdev, si);
732 }
733
734 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev,
735 struct ieee80211_vif *vif,
736 const struct cfg80211_bitrate_mask *mask)
737 {
738 struct rtw_iter_bitrate_mask_data br_data;
739
740 br_data.rtwdev = rtwdev;
741 br_data.vif = vif;
742 br_data.mask = mask;
743 rtw_iterate_stas_atomic(rtwdev, rtw_ra_mask_info_update_iter, &br_data);
744 }
745
746 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw,
747 struct ieee80211_vif *vif,
748 const struct cfg80211_bitrate_mask *mask)
749 {
750 struct rtw_dev *rtwdev = hw->priv;
751
752 rtw_ra_mask_info_update(rtwdev, vif, mask);
753
754 return 0;
755 }
756
757 #ifdef CONFIG_PM
758 static int rtw_ops_suspend(struct ieee80211_hw *hw,
759 struct cfg80211_wowlan *wowlan)
760 {
761 struct rtw_dev *rtwdev = hw->priv;
762 int ret;
763
764 mutex_lock(&rtwdev->mutex);
765 ret = rtw_wow_suspend(rtwdev, wowlan);
766 if (ret)
767 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret);
768 mutex_unlock(&rtwdev->mutex);
769
770 return ret ? 1 : 0;
771 }
772
773 static int rtw_ops_resume(struct ieee80211_hw *hw)
774 {
775 struct rtw_dev *rtwdev = hw->priv;
776 int ret;
777
778 mutex_lock(&rtwdev->mutex);
779 ret = rtw_wow_resume(rtwdev);
780 if (ret)
781 rtw_err(rtwdev, "failed to resume for wow %d\n", ret);
782 mutex_unlock(&rtwdev->mutex);
783
784 return ret ? 1 : 0;
785 }
786
787 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled)
788 {
789 struct rtw_dev *rtwdev = hw->priv;
790
791 device_set_wakeup_enable(rtwdev->dev, enabled);
792 }
793 #endif
794
795 const struct ieee80211_ops rtw_ops = {
796 .tx = rtw_ops_tx,
797 .wake_tx_queue = rtw_ops_wake_tx_queue,
798 .start = rtw_ops_start,
799 .stop = rtw_ops_stop,
800 .config = rtw_ops_config,
801 .add_interface = rtw_ops_add_interface,
802 .remove_interface = rtw_ops_remove_interface,
803 .configure_filter = rtw_ops_configure_filter,
804 .bss_info_changed = rtw_ops_bss_info_changed,
805 .conf_tx = rtw_ops_conf_tx,
806 .sta_add = rtw_ops_sta_add,
807 .sta_remove = rtw_ops_sta_remove,
808 .set_key = rtw_ops_set_key,
809 .ampdu_action = rtw_ops_ampdu_action,
810 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu,
811 .sw_scan_start = rtw_ops_sw_scan_start,
812 .sw_scan_complete = rtw_ops_sw_scan_complete,
813 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx,
814 .set_rts_threshold = rtw_ops_set_rts_threshold,
815 .sta_statistics = rtw_ops_sta_statistics,
816 .flush = rtw_ops_flush,
817 .set_bitrate_mask = rtw_ops_set_bitrate_mask,
818 #ifdef CONFIG_PM
819 .suspend = rtw_ops_suspend,
820 .resume = rtw_ops_resume,
821 .set_wakeup = rtw_ops_set_wakeup,
822 #endif
823 };
824 EXPORT_SYMBOL(rtw_ops);
Linux with added FPC-III support