1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
4 #include <linux/devcoredump.h>
5 #include <linux/etherdevice.h>
6 #include <linux/timekeeping.h>
9 #include "../mt76_connac2_mac.h"
12 #define MT_WTBL_TXRX_CAP_RATE_OFFSET 7
13 #define MT_WTBL_TXRX_RATE_G2_HE 24
14 #define MT_WTBL_TXRX_RATE_G2 12
16 #define MT_WTBL_AC0_CTT_OFFSET 20
18 bool mt7921_mac_wtbl_update(struct mt792x_dev *dev, int idx, u32 mask)
20 mt76_rmw(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_WLAN_IDX,
21 FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, idx) | mask);
23 return mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY,
27 static u32 mt7921_mac_wtbl_lmac_addr(int idx, u8 offset)
29 return MT_WTBL_LMAC_OFFS(idx, 0) + offset * 4;
32 static void mt7921_mac_sta_poll(struct mt792x_dev *dev)
34 static const u8 ac_to_tid[] = {
35 [IEEE80211_AC_BE] = 0,
36 [IEEE80211_AC_BK] = 1,
37 [IEEE80211_AC_VI] = 4,
40 struct ieee80211_sta *sta;
41 struct mt792x_sta *msta;
42 u32 tx_time[IEEE80211_NUM_ACS], rx_time[IEEE80211_NUM_ACS];
43 LIST_HEAD(sta_poll_list);
44 struct rate_info *rate;
48 spin_lock_bh(&dev->mt76.sta_poll_lock);
49 list_splice_init(&dev->mt76.sta_poll_list, &sta_poll_list);
50 spin_unlock_bh(&dev->mt76.sta_poll_lock);
58 spin_lock_bh(&dev->mt76.sta_poll_lock);
59 if (list_empty(&sta_poll_list)) {
60 spin_unlock_bh(&dev->mt76.sta_poll_lock);
63 msta = list_first_entry(&sta_poll_list,
64 struct mt792x_sta, wcid.poll_list);
65 list_del_init(&msta->wcid.poll_list);
66 spin_unlock_bh(&dev->mt76.sta_poll_lock);
69 addr = mt7921_mac_wtbl_lmac_addr(idx, MT_WTBL_AC0_CTT_OFFSET);
71 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
72 u32 tx_last = msta->airtime_ac[i];
73 u32 rx_last = msta->airtime_ac[i + 4];
75 msta->airtime_ac[i] = mt76_rr(dev, addr);
76 msta->airtime_ac[i + 4] = mt76_rr(dev, addr + 4);
78 tx_time[i] = msta->airtime_ac[i] - tx_last;
79 rx_time[i] = msta->airtime_ac[i + 4] - rx_last;
81 if ((tx_last | rx_last) & BIT(30))
88 mt7921_mac_wtbl_update(dev, idx,
89 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
90 memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac));
96 sta = container_of((void *)msta, struct ieee80211_sta,
98 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
99 u8 q = mt76_connac_lmac_mapping(i);
100 u32 tx_cur = tx_time[q];
101 u32 rx_cur = rx_time[q];
102 u8 tid = ac_to_tid[i];
104 if (!tx_cur && !rx_cur)
107 ieee80211_sta_register_airtime(sta, tid, tx_cur,
111 /* We don't support reading GI info from txs packets.
112 * For accurate tx status reporting and AQL improvement,
113 * we need to make sure that flags match so polling GI
114 * from per-sta counters directly.
116 rate = &msta->wcid.rate;
117 addr = mt7921_mac_wtbl_lmac_addr(idx,
118 MT_WTBL_TXRX_CAP_RATE_OFFSET);
119 val = mt76_rr(dev, addr);
122 case RATE_INFO_BW_160:
123 bw = IEEE80211_STA_RX_BW_160;
125 case RATE_INFO_BW_80:
126 bw = IEEE80211_STA_RX_BW_80;
128 case RATE_INFO_BW_40:
129 bw = IEEE80211_STA_RX_BW_40;
132 bw = IEEE80211_STA_RX_BW_20;
136 if (rate->flags & RATE_INFO_FLAGS_HE_MCS) {
137 u8 offs = MT_WTBL_TXRX_RATE_G2_HE + 2 * bw;
139 rate->he_gi = (val & (0x3 << offs)) >> offs;
140 } else if (rate->flags &
141 (RATE_INFO_FLAGS_VHT_MCS | RATE_INFO_FLAGS_MCS)) {
142 if (val & BIT(MT_WTBL_TXRX_RATE_G2 + bw))
143 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
145 rate->flags &= ~RATE_INFO_FLAGS_SHORT_GI;
148 /* get signal strength of resp frames (CTS/BA/ACK) */
149 addr = mt7921_mac_wtbl_lmac_addr(idx, 30);
150 val = mt76_rr(dev, addr);
152 rssi[0] = to_rssi(GENMASK(7, 0), val);
153 rssi[1] = to_rssi(GENMASK(15, 8), val);
154 rssi[2] = to_rssi(GENMASK(23, 16), val);
155 rssi[3] = to_rssi(GENMASK(31, 14), val);
158 mt76_rx_signal(msta->vif->phy->mt76->antenna_mask, rssi);
160 ewma_avg_signal_add(&msta->avg_ack_signal, -msta->ack_signal);
165 mt7921_mac_fill_rx(struct mt792x_dev *dev, struct sk_buff *skb)
167 u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM;
168 struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
169 bool hdr_trans, unicast, insert_ccmp_hdr = false;
170 u8 chfreq, qos_ctl = 0, remove_pad, amsdu_info;
172 __le32 *rxv = NULL, *rxd = (__le32 *)skb->data;
173 struct mt76_phy *mphy = &dev->mt76.phy;
174 struct mt792x_phy *phy = &dev->phy;
175 struct ieee80211_supported_band *sband;
176 u32 csum_status = *(u32 *)skb->cb;
177 u32 rxd0 = le32_to_cpu(rxd[0]);
178 u32 rxd1 = le32_to_cpu(rxd[1]);
179 u32 rxd2 = le32_to_cpu(rxd[2]);
180 u32 rxd3 = le32_to_cpu(rxd[3]);
181 u32 rxd4 = le32_to_cpu(rxd[4]);
182 struct mt792x_sta *msta = NULL;
188 memset(status, 0, sizeof(*status));
190 if (rxd1 & MT_RXD1_NORMAL_BAND_IDX)
193 if (!test_bit(MT76_STATE_RUNNING, &mphy->state))
196 if (rxd2 & MT_RXD2_NORMAL_AMSDU_ERR)
199 hdr_trans = rxd2 & MT_RXD2_NORMAL_HDR_TRANS;
200 if (hdr_trans && (rxd1 & MT_RXD1_NORMAL_CM))
203 /* ICV error or CCMP/BIP/WPI MIC error */
204 if (rxd1 & MT_RXD1_NORMAL_ICV_ERR)
205 status->flag |= RX_FLAG_ONLY_MONITOR;
207 chfreq = FIELD_GET(MT_RXD3_NORMAL_CH_FREQ, rxd3);
208 unicast = FIELD_GET(MT_RXD3_NORMAL_ADDR_TYPE, rxd3) == MT_RXD3_NORMAL_U2M;
209 idx = FIELD_GET(MT_RXD1_NORMAL_WLAN_IDX, rxd1);
210 status->wcid = mt792x_rx_get_wcid(dev, idx, unicast);
213 msta = container_of(status->wcid, struct mt792x_sta, wcid);
214 spin_lock_bh(&dev->mt76.sta_poll_lock);
215 if (list_empty(&msta->wcid.poll_list))
216 list_add_tail(&msta->wcid.poll_list,
217 &dev->mt76.sta_poll_list);
218 spin_unlock_bh(&dev->mt76.sta_poll_lock);
221 mt792x_get_status_freq_info(status, chfreq);
223 switch (status->band) {
224 case NL80211_BAND_5GHZ:
225 sband = &mphy->sband_5g.sband;
227 case NL80211_BAND_6GHZ:
228 sband = &mphy->sband_6g.sband;
231 sband = &mphy->sband_2g.sband;
235 if (!sband->channels)
238 if (mt76_is_mmio(&dev->mt76) && (rxd0 & csum_mask) == csum_mask &&
239 !(csum_status & (BIT(0) | BIT(2) | BIT(3))))
240 skb->ip_summed = CHECKSUM_UNNECESSARY;
242 if (rxd1 & MT_RXD1_NORMAL_FCS_ERR)
243 status->flag |= RX_FLAG_FAILED_FCS_CRC;
245 if (rxd1 & MT_RXD1_NORMAL_TKIP_MIC_ERR)
246 status->flag |= RX_FLAG_MMIC_ERROR;
248 if (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1) != 0 &&
249 !(rxd1 & (MT_RXD1_NORMAL_CLM | MT_RXD1_NORMAL_CM))) {
250 status->flag |= RX_FLAG_DECRYPTED;
251 status->flag |= RX_FLAG_IV_STRIPPED;
252 status->flag |= RX_FLAG_MMIC_STRIPPED | RX_FLAG_MIC_STRIPPED;
255 remove_pad = FIELD_GET(MT_RXD2_NORMAL_HDR_OFFSET, rxd2);
257 if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR)
261 if (rxd1 & MT_RXD1_NORMAL_GROUP_4) {
262 u32 v0 = le32_to_cpu(rxd[0]);
263 u32 v2 = le32_to_cpu(rxd[2]);
265 fc = cpu_to_le16(FIELD_GET(MT_RXD6_FRAME_CONTROL, v0));
266 seq_ctrl = FIELD_GET(MT_RXD8_SEQ_CTRL, v2);
267 qos_ctl = FIELD_GET(MT_RXD8_QOS_CTL, v2);
270 if ((u8 *)rxd - skb->data >= skb->len)
274 if (rxd1 & MT_RXD1_NORMAL_GROUP_1) {
275 u8 *data = (u8 *)rxd;
277 if (status->flag & RX_FLAG_DECRYPTED) {
278 switch (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1)) {
279 case MT_CIPHER_AES_CCMP:
280 case MT_CIPHER_CCMP_CCX:
281 case MT_CIPHER_CCMP_256:
283 FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
286 case MT_CIPHER_TKIP_NO_MIC:
288 case MT_CIPHER_GCMP_256:
289 status->iv[0] = data[5];
290 status->iv[1] = data[4];
291 status->iv[2] = data[3];
292 status->iv[3] = data[2];
293 status->iv[4] = data[1];
294 status->iv[5] = data[0];
301 if ((u8 *)rxd - skb->data >= skb->len)
305 if (rxd1 & MT_RXD1_NORMAL_GROUP_2) {
306 status->timestamp = le32_to_cpu(rxd[0]);
307 status->flag |= RX_FLAG_MACTIME_START;
309 if (!(rxd2 & MT_RXD2_NORMAL_NON_AMPDU)) {
310 status->flag |= RX_FLAG_AMPDU_DETAILS;
312 /* all subframes of an A-MPDU have the same timestamp */
313 if (phy->rx_ampdu_ts != status->timestamp) {
314 if (!++phy->ampdu_ref)
317 phy->rx_ampdu_ts = status->timestamp;
319 status->ampdu_ref = phy->ampdu_ref;
323 if ((u8 *)rxd - skb->data >= skb->len)
327 /* RXD Group 3 - P-RXV */
328 if (rxd1 & MT_RXD1_NORMAL_GROUP_3) {
334 if ((u8 *)rxd - skb->data >= skb->len)
337 v0 = le32_to_cpu(rxv[0]);
338 v1 = le32_to_cpu(rxv[1]);
340 if (v0 & MT_PRXV_HT_AD_CODE)
341 status->enc_flags |= RX_ENC_FLAG_LDPC;
343 ret = mt76_connac2_mac_fill_rx_rate(&dev->mt76, status, sband,
348 if (rxd1 & MT_RXD1_NORMAL_GROUP_5) {
350 if ((u8 *)rxd - skb->data >= skb->len)
354 /* Monitor mode would use RCPI described in GROUP 5
357 v1 = le32_to_cpu(rxv[0]);
360 if ((u8 *)rxd - skb->data >= skb->len)
364 status->chains = mphy->antenna_mask;
365 status->chain_signal[0] = to_rssi(MT_PRXV_RCPI0, v1);
366 status->chain_signal[1] = to_rssi(MT_PRXV_RCPI1, v1);
367 status->chain_signal[2] = to_rssi(MT_PRXV_RCPI2, v1);
368 status->chain_signal[3] = to_rssi(MT_PRXV_RCPI3, v1);
369 status->signal = -128;
370 for (i = 0; i < hweight8(mphy->antenna_mask); i++) {
371 if (!(status->chains & BIT(i)) ||
372 status->chain_signal[i] >= 0)
375 status->signal = max(status->signal,
376 status->chain_signal[i]);
380 amsdu_info = FIELD_GET(MT_RXD4_NORMAL_PAYLOAD_FORMAT, rxd4);
381 status->amsdu = !!amsdu_info;
383 status->first_amsdu = amsdu_info == MT_RXD4_FIRST_AMSDU_FRAME;
384 status->last_amsdu = amsdu_info == MT_RXD4_LAST_AMSDU_FRAME;
387 hdr_gap = (u8 *)rxd - skb->data + 2 * remove_pad;
388 if (hdr_trans && ieee80211_has_morefrags(fc)) {
389 struct ieee80211_vif *vif;
392 if (!msta || !msta->vif)
395 vif = container_of((void *)msta->vif, struct ieee80211_vif,
397 err = mt76_connac2_reverse_frag0_hdr_trans(vif, skb, hdr_gap);
403 skb_pull(skb, hdr_gap);
404 if (!hdr_trans && status->amsdu) {
405 memmove(skb->data + 2, skb->data,
406 ieee80211_get_hdrlen_from_skb(skb));
412 struct ieee80211_hdr *hdr;
414 if (insert_ccmp_hdr) {
415 u8 key_id = FIELD_GET(MT_RXD1_NORMAL_KEY_ID, rxd1);
417 mt76_insert_ccmp_hdr(skb, key_id);
420 hdr = mt76_skb_get_hdr(skb);
421 fc = hdr->frame_control;
422 if (ieee80211_is_data_qos(fc)) {
423 seq_ctrl = le16_to_cpu(hdr->seq_ctrl);
424 qos_ctl = *ieee80211_get_qos_ctl(hdr);
427 status->flag |= RX_FLAG_8023;
430 mt792x_mac_assoc_rssi(dev, skb);
432 if (rxv && mode >= MT_PHY_TYPE_HE_SU && !(status->flag & RX_FLAG_8023))
433 mt76_connac2_mac_decode_he_radiotap(&dev->mt76, skb, rxv, mode);
435 if (!status->wcid || !ieee80211_is_data_qos(fc))
438 status->aggr = unicast && !ieee80211_is_qos_nullfunc(fc);
439 status->seqno = IEEE80211_SEQ_TO_SN(seq_ctrl);
440 status->qos_ctl = qos_ctl;
445 void mt7921_mac_add_txs(struct mt792x_dev *dev, void *data)
447 struct mt792x_sta *msta = NULL;
448 struct mt76_wcid *wcid;
449 __le32 *txs_data = data;
453 if (le32_get_bits(txs_data[0], MT_TXS0_TXS_FORMAT) > 1)
456 wcidx = le32_get_bits(txs_data[2], MT_TXS2_WCID);
457 pid = le32_get_bits(txs_data[3], MT_TXS3_PID);
459 if (pid < MT_PACKET_ID_FIRST)
462 if (wcidx >= MT792x_WTBL_SIZE)
467 wcid = rcu_dereference(dev->mt76.wcid[wcidx]);
471 msta = container_of(wcid, struct mt792x_sta, wcid);
473 mt76_connac2_mac_add_txs_skb(&dev->mt76, wcid, pid, txs_data);
477 spin_lock_bh(&dev->mt76.sta_poll_lock);
478 if (list_empty(&msta->wcid.poll_list))
479 list_add_tail(&msta->wcid.poll_list, &dev->mt76.sta_poll_list);
480 spin_unlock_bh(&dev->mt76.sta_poll_lock);
486 static void mt7921_mac_tx_free(struct mt792x_dev *dev, void *data, int len)
488 struct mt76_connac_tx_free *free = data;
489 __le32 *tx_info = (__le32 *)(data + sizeof(*free));
490 struct mt76_dev *mdev = &dev->mt76;
491 struct mt76_txwi_cache *txwi;
492 struct ieee80211_sta *sta = NULL;
493 struct mt76_wcid *wcid = NULL;
494 struct sk_buff *skb, *tmp;
495 void *end = data + len;
496 LIST_HEAD(free_list);
500 /* clean DMA queues and unmap buffers first */
501 mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_PSD], false);
502 mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_BE], false);
504 count = le16_get_bits(free->ctrl, MT_TX_FREE_MSDU_CNT);
505 if (WARN_ON_ONCE((void *)&tx_info[count] > end))
508 for (i = 0; i < count; i++) {
509 u32 msdu, info = le32_to_cpu(tx_info[i]);
512 /* 1'b1: new wcid pair.
513 * 1'b0: msdu_id with the same 'wcid pair' as above.
515 if (info & MT_TX_FREE_PAIR) {
516 struct mt792x_sta *msta;
520 idx = FIELD_GET(MT_TX_FREE_WLAN_ID, info);
521 wcid = rcu_dereference(dev->mt76.wcid[idx]);
522 sta = wcid_to_sta(wcid);
526 msta = container_of(wcid, struct mt792x_sta, wcid);
527 spin_lock_bh(&mdev->sta_poll_lock);
528 if (list_empty(&msta->wcid.poll_list))
529 list_add_tail(&msta->wcid.poll_list,
530 &mdev->sta_poll_list);
531 spin_unlock_bh(&mdev->sta_poll_lock);
535 msdu = FIELD_GET(MT_TX_FREE_MSDU_ID, info);
536 stat = FIELD_GET(MT_TX_FREE_STATUS, info);
539 wcid->stats.tx_retries +=
540 FIELD_GET(MT_TX_FREE_COUNT, info) - 1;
541 wcid->stats.tx_failed += !!stat;
544 txwi = mt76_token_release(mdev, msdu, &wake);
548 mt76_connac2_txwi_free(mdev, txwi, sta, &free_list);
552 mt76_set_tx_blocked(&dev->mt76, false);
554 list_for_each_entry_safe(skb, tmp, &free_list, list) {
555 skb_list_del_init(skb);
556 napi_consume_skb(skb, 1);
560 mt7921_mac_sta_poll(dev);
563 mt76_worker_schedule(&dev->mt76.tx_worker);
566 bool mt7921_rx_check(struct mt76_dev *mdev, void *data, int len)
568 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
569 __le32 *rxd = (__le32 *)data;
570 __le32 *end = (__le32 *)&rxd[len / 4];
571 enum rx_pkt_type type;
573 type = le32_get_bits(rxd[0], MT_RXD0_PKT_TYPE);
576 case PKT_TYPE_TXRX_NOTIFY:
577 /* PKT_TYPE_TXRX_NOTIFY can be received only by mmio devices */
578 mt7921_mac_tx_free(dev, data, len); /* mmio */
581 for (rxd += 2; rxd + 8 <= end; rxd += 8)
582 mt7921_mac_add_txs(dev, rxd);
588 EXPORT_SYMBOL_GPL(mt7921_rx_check);
590 void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
591 struct sk_buff *skb, u32 *info)
593 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
594 __le32 *rxd = (__le32 *)skb->data;
595 __le32 *end = (__le32 *)&skb->data[skb->len];
596 enum rx_pkt_type type;
599 type = le32_get_bits(rxd[0], MT_RXD0_PKT_TYPE);
600 flag = le32_get_bits(rxd[0], MT_RXD0_PKT_FLAG);
602 if (type == PKT_TYPE_RX_EVENT && flag == 0x1)
603 type = PKT_TYPE_NORMAL_MCU;
606 case PKT_TYPE_TXRX_NOTIFY:
607 /* PKT_TYPE_TXRX_NOTIFY can be received only by mmio devices */
608 mt7921_mac_tx_free(dev, skb->data, skb->len);
609 napi_consume_skb(skb, 1);
611 case PKT_TYPE_RX_EVENT:
612 mt7921_mcu_rx_event(dev, skb);
615 for (rxd += 2; rxd + 8 <= end; rxd += 8)
616 mt7921_mac_add_txs(dev, rxd);
619 case PKT_TYPE_NORMAL_MCU:
620 case PKT_TYPE_NORMAL:
621 if (!mt7921_mac_fill_rx(dev, skb)) {
622 mt76_rx(&dev->mt76, q, skb);
631 EXPORT_SYMBOL_GPL(mt7921_queue_rx_skb);
634 mt7921_vif_connect_iter(void *priv, u8 *mac,
635 struct ieee80211_vif *vif)
637 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
638 struct mt792x_dev *dev = mvif->phy->dev;
639 struct ieee80211_hw *hw = mt76_hw(dev);
641 if (vif->type == NL80211_IFTYPE_STATION)
642 ieee80211_disconnect(vif, true);
644 mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, true);
645 mt7921_mcu_set_tx(dev, vif);
647 if (vif->type == NL80211_IFTYPE_AP) {
648 mt76_connac_mcu_uni_add_bss(dev->phy.mt76, vif, &mvif->sta.wcid,
650 mt7921_mcu_sta_update(dev, NULL, vif, true,
651 MT76_STA_INFO_STATE_NONE);
652 mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true);
656 /* system error recovery */
657 void mt7921_mac_reset_work(struct work_struct *work)
659 struct mt792x_dev *dev = container_of(work, struct mt792x_dev,
661 struct ieee80211_hw *hw = mt76_hw(dev);
662 struct mt76_connac_pm *pm = &dev->pm;
665 dev_dbg(dev->mt76.dev, "chip reset\n");
666 dev->hw_full_reset = true;
667 ieee80211_stop_queues(hw);
669 cancel_delayed_work_sync(&dev->mphy.mac_work);
670 cancel_delayed_work_sync(&pm->ps_work);
671 cancel_work_sync(&pm->wake_work);
673 for (i = 0; i < 10; i++) {
674 mutex_lock(&dev->mt76.mutex);
675 ret = mt792x_dev_reset(dev);
676 mutex_unlock(&dev->mt76.mutex);
683 dev_err(dev->mt76.dev, "chip reset failed\n");
685 if (test_and_clear_bit(MT76_HW_SCANNING, &dev->mphy.state)) {
686 struct cfg80211_scan_info info = {
690 ieee80211_scan_completed(dev->mphy.hw, &info);
693 dev->hw_full_reset = false;
694 pm->suspended = false;
695 ieee80211_wake_queues(hw);
696 ieee80211_iterate_active_interfaces(hw,
697 IEEE80211_IFACE_ITER_RESUME_ALL,
698 mt7921_vif_connect_iter, NULL);
699 mt76_connac_power_save_sched(&dev->mt76.phy, pm);
702 void mt7921_coredump_work(struct work_struct *work)
704 struct mt792x_dev *dev;
707 dev = (struct mt792x_dev *)container_of(work, struct mt792x_dev,
710 if (time_is_after_jiffies(dev->coredump.last_activity +
711 4 * MT76_CONNAC_COREDUMP_TIMEOUT)) {
712 queue_delayed_work(dev->mt76.wq, &dev->coredump.work,
713 MT76_CONNAC_COREDUMP_TIMEOUT);
717 dump = vzalloc(MT76_CONNAC_COREDUMP_SZ);
723 spin_lock_bh(&dev->mt76.lock);
724 skb = __skb_dequeue(&dev->coredump.msg_list);
725 spin_unlock_bh(&dev->mt76.lock);
730 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
731 if (!dump || data + skb->len - dump > MT76_CONNAC_COREDUMP_SZ) {
736 memcpy(data, skb->data, skb->len);
743 dev_coredumpv(dev->mt76.dev, dump, MT76_CONNAC_COREDUMP_SZ,
746 mt792x_reset(&dev->mt76);
751 mt7921_usb_sdio_write_txwi(struct mt792x_dev *dev, struct mt76_wcid *wcid,
752 enum mt76_txq_id qid, struct ieee80211_sta *sta,
753 struct ieee80211_key_conf *key, int pid,
756 __le32 *txwi = (__le32 *)(skb->data - MT_SDIO_TXD_SIZE);
758 memset(txwi, 0, MT_SDIO_TXD_SIZE);
759 mt76_connac2_mac_write_txwi(&dev->mt76, txwi, skb, wcid, key, pid, qid, 0);
760 skb_push(skb, MT_SDIO_TXD_SIZE);
763 int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
764 enum mt76_txq_id qid, struct mt76_wcid *wcid,
765 struct ieee80211_sta *sta,
766 struct mt76_tx_info *tx_info)
768 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
769 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
770 struct ieee80211_key_conf *key = info->control.hw_key;
771 struct sk_buff *skb = tx_info->skb;
772 int err, pad, pktid, type;
774 if (unlikely(tx_info->skb->len <= ETH_HLEN))
777 err = skb_cow_head(skb, MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE);
782 wcid = &dev->mt76.global_wcid;
785 struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv;
787 if (time_after(jiffies, msta->last_txs + HZ / 4)) {
788 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
789 msta->last_txs = jiffies;
793 pktid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb);
794 mt7921_usb_sdio_write_txwi(dev, wcid, qid, sta, key, pktid, skb);
796 type = mt76_is_sdio(mdev) ? MT7921_SDIO_DATA : 0;
797 mt792x_skb_add_usb_sdio_hdr(dev, skb, type);
798 pad = round_up(skb->len, 4) - skb->len;
799 if (mt76_is_usb(mdev))
802 err = mt76_skb_adjust_pad(skb, pad);
804 /* Release pktid in case of error. */
805 idr_remove(&wcid->pktid, pktid);
809 EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_prepare_skb);
811 void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
812 struct mt76_queue_entry *e)
814 __le32 *txwi = (__le32 *)(e->skb->data + MT_SDIO_HDR_SIZE);
815 unsigned int headroom = MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;
816 struct ieee80211_sta *sta;
817 struct mt76_wcid *wcid;
820 idx = le32_get_bits(txwi[1], MT_TXD1_WLAN_IDX);
821 wcid = rcu_dereference(mdev->wcid[idx]);
822 sta = wcid_to_sta(wcid);
824 if (sta && likely(e->skb->protocol != cpu_to_be16(ETH_P_PAE)))
825 mt76_connac2_tx_check_aggr(sta, txwi);
827 skb_pull(e->skb, headroom);
828 mt76_tx_complete_skb(mdev, e->wcid, e->skb);
830 EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_complete_skb);
832 bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update)
834 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
836 mt792x_mutex_acquire(dev);
837 mt7921_mac_sta_poll(dev);
838 mt792x_mutex_release(dev);
842 EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_status_data);
844 #if IS_ENABLED(CONFIG_IPV6)
845 void mt7921_set_ipv6_ns_work(struct work_struct *work)
847 struct mt792x_dev *dev = container_of(work, struct mt792x_dev,
853 skb = skb_dequeue(&dev->ipv6_ns_list);
858 mt792x_mutex_acquire(dev);
859 ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
860 MCU_UNI_CMD(OFFLOAD), true);
861 mt792x_mutex_release(dev);
866 skb_queue_purge(&dev->ipv6_ns_list);