1265 lines
32 KiB
C
1265 lines
32 KiB
C
// SPDX-License-Identifier: ISC
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/* Copyright (C) 2020 MediaTek Inc. */
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#include <linux/devcoredump.h>
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#include <linux/etherdevice.h>
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#include <linux/timekeeping.h>
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#include "mt7921.h"
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#include "../dma.h"
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#include "mac.h"
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#include "mcu.h"
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static struct mt76_wcid *mt7921_rx_get_wcid(struct mt7921_dev *dev,
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u16 idx, bool unicast)
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{
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struct mt7921_sta *sta;
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struct mt76_wcid *wcid;
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if (idx >= ARRAY_SIZE(dev->mt76.wcid))
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return NULL;
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wcid = rcu_dereference(dev->mt76.wcid[idx]);
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if (unicast || !wcid)
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return wcid;
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if (!wcid->sta)
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return NULL;
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sta = container_of(wcid, struct mt7921_sta, wcid);
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if (!sta->vif)
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return NULL;
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return &sta->vif->sta.wcid;
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}
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void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps)
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{
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}
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EXPORT_SYMBOL_GPL(mt7921_sta_ps);
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bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask)
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{
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mt76_rmw(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_WLAN_IDX,
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FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, idx) | mask);
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return mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY,
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0, 5000);
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}
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void mt7921_mac_sta_poll(struct mt7921_dev *dev)
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{
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static const u8 ac_to_tid[] = {
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[IEEE80211_AC_BE] = 0,
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[IEEE80211_AC_BK] = 1,
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[IEEE80211_AC_VI] = 4,
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[IEEE80211_AC_VO] = 6
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};
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struct ieee80211_sta *sta;
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struct mt7921_sta *msta;
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u32 tx_time[IEEE80211_NUM_ACS], rx_time[IEEE80211_NUM_ACS];
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LIST_HEAD(sta_poll_list);
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struct rate_info *rate;
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s8 rssi[4];
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int i;
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spin_lock_bh(&dev->sta_poll_lock);
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list_splice_init(&dev->sta_poll_list, &sta_poll_list);
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spin_unlock_bh(&dev->sta_poll_lock);
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while (true) {
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bool clear = false;
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u32 addr, val;
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u16 idx;
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u8 bw;
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spin_lock_bh(&dev->sta_poll_lock);
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if (list_empty(&sta_poll_list)) {
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spin_unlock_bh(&dev->sta_poll_lock);
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break;
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}
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msta = list_first_entry(&sta_poll_list,
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struct mt7921_sta, poll_list);
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list_del_init(&msta->poll_list);
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spin_unlock_bh(&dev->sta_poll_lock);
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idx = msta->wcid.idx;
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addr = mt7921_mac_wtbl_lmac_addr(idx, MT_WTBL_AC0_CTT_OFFSET);
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for (i = 0; i < IEEE80211_NUM_ACS; i++) {
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u32 tx_last = msta->airtime_ac[i];
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u32 rx_last = msta->airtime_ac[i + 4];
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msta->airtime_ac[i] = mt76_rr(dev, addr);
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msta->airtime_ac[i + 4] = mt76_rr(dev, addr + 4);
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tx_time[i] = msta->airtime_ac[i] - tx_last;
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rx_time[i] = msta->airtime_ac[i + 4] - rx_last;
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if ((tx_last | rx_last) & BIT(30))
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clear = true;
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addr += 8;
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}
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if (clear) {
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mt7921_mac_wtbl_update(dev, idx,
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MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
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memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac));
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}
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if (!msta->wcid.sta)
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continue;
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sta = container_of((void *)msta, struct ieee80211_sta,
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drv_priv);
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for (i = 0; i < IEEE80211_NUM_ACS; i++) {
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u8 q = mt76_connac_lmac_mapping(i);
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u32 tx_cur = tx_time[q];
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u32 rx_cur = rx_time[q];
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u8 tid = ac_to_tid[i];
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if (!tx_cur && !rx_cur)
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continue;
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ieee80211_sta_register_airtime(sta, tid, tx_cur,
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rx_cur);
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}
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/* We don't support reading GI info from txs packets.
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* For accurate tx status reporting and AQL improvement,
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* we need to make sure that flags match so polling GI
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* from per-sta counters directly.
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*/
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rate = &msta->wcid.rate;
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addr = mt7921_mac_wtbl_lmac_addr(idx,
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MT_WTBL_TXRX_CAP_RATE_OFFSET);
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val = mt76_rr(dev, addr);
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switch (rate->bw) {
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case RATE_INFO_BW_160:
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bw = IEEE80211_STA_RX_BW_160;
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break;
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case RATE_INFO_BW_80:
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bw = IEEE80211_STA_RX_BW_80;
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break;
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case RATE_INFO_BW_40:
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bw = IEEE80211_STA_RX_BW_40;
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break;
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default:
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bw = IEEE80211_STA_RX_BW_20;
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break;
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}
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if (rate->flags & RATE_INFO_FLAGS_HE_MCS) {
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u8 offs = MT_WTBL_TXRX_RATE_G2_HE + 2 * bw;
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rate->he_gi = (val & (0x3 << offs)) >> offs;
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} else if (rate->flags &
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(RATE_INFO_FLAGS_VHT_MCS | RATE_INFO_FLAGS_MCS)) {
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if (val & BIT(MT_WTBL_TXRX_RATE_G2 + bw))
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rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
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else
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rate->flags &= ~RATE_INFO_FLAGS_SHORT_GI;
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}
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/* get signal strength of resp frames (CTS/BA/ACK) */
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addr = mt7921_mac_wtbl_lmac_addr(idx, 30);
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val = mt76_rr(dev, addr);
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rssi[0] = to_rssi(GENMASK(7, 0), val);
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rssi[1] = to_rssi(GENMASK(15, 8), val);
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rssi[2] = to_rssi(GENMASK(23, 16), val);
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rssi[3] = to_rssi(GENMASK(31, 14), val);
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msta->ack_signal =
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mt76_rx_signal(msta->vif->phy->mt76->antenna_mask, rssi);
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ewma_avg_signal_add(&msta->avg_ack_signal, -msta->ack_signal);
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}
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}
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EXPORT_SYMBOL_GPL(mt7921_mac_sta_poll);
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static void
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mt7921_get_status_freq_info(struct mt7921_dev *dev, struct mt76_phy *mphy,
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struct mt76_rx_status *status, u8 chfreq)
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{
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if (chfreq > 180) {
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status->band = NL80211_BAND_6GHZ;
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chfreq = (chfreq - 181) * 4 + 1;
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} else if (chfreq > 14) {
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status->band = NL80211_BAND_5GHZ;
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} else {
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status->band = NL80211_BAND_2GHZ;
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}
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status->freq = ieee80211_channel_to_frequency(chfreq, status->band);
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}
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static void
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mt7921_mac_rssi_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
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{
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struct sk_buff *skb = priv;
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struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
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struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
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struct ieee80211_hdr *hdr = mt76_skb_get_hdr(skb);
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if (status->signal > 0)
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return;
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if (!ether_addr_equal(vif->addr, hdr->addr1))
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return;
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ewma_rssi_add(&mvif->rssi, -status->signal);
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}
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static void
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mt7921_mac_assoc_rssi(struct mt7921_dev *dev, struct sk_buff *skb)
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{
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struct ieee80211_hdr *hdr = mt76_skb_get_hdr(skb);
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if (!ieee80211_is_assoc_resp(hdr->frame_control) &&
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!ieee80211_is_auth(hdr->frame_control))
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return;
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ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
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IEEE80211_IFACE_ITER_RESUME_ALL,
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mt7921_mac_rssi_iter, skb);
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}
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static int
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mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
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{
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u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM;
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struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
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bool hdr_trans, unicast, insert_ccmp_hdr = false;
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u8 chfreq, qos_ctl = 0, remove_pad, amsdu_info;
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u16 hdr_gap;
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__le32 *rxv = NULL, *rxd = (__le32 *)skb->data;
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struct mt76_phy *mphy = &dev->mt76.phy;
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struct mt7921_phy *phy = &dev->phy;
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struct ieee80211_supported_band *sband;
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u32 csum_status = *(u32 *)skb->cb;
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u32 rxd0 = le32_to_cpu(rxd[0]);
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u32 rxd1 = le32_to_cpu(rxd[1]);
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u32 rxd2 = le32_to_cpu(rxd[2]);
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u32 rxd3 = le32_to_cpu(rxd[3]);
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u32 rxd4 = le32_to_cpu(rxd[4]);
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struct mt7921_sta *msta = NULL;
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u16 seq_ctrl = 0;
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__le16 fc = 0;
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u8 mode = 0;
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int i, idx;
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memset(status, 0, sizeof(*status));
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if (rxd1 & MT_RXD1_NORMAL_BAND_IDX)
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return -EINVAL;
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if (!test_bit(MT76_STATE_RUNNING, &mphy->state))
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return -EINVAL;
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if (rxd2 & MT_RXD2_NORMAL_AMSDU_ERR)
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return -EINVAL;
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hdr_trans = rxd2 & MT_RXD2_NORMAL_HDR_TRANS;
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if (hdr_trans && (rxd1 & MT_RXD1_NORMAL_CM))
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return -EINVAL;
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/* ICV error or CCMP/BIP/WPI MIC error */
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if (rxd1 & MT_RXD1_NORMAL_ICV_ERR)
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status->flag |= RX_FLAG_ONLY_MONITOR;
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chfreq = FIELD_GET(MT_RXD3_NORMAL_CH_FREQ, rxd3);
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unicast = FIELD_GET(MT_RXD3_NORMAL_ADDR_TYPE, rxd3) == MT_RXD3_NORMAL_U2M;
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idx = FIELD_GET(MT_RXD1_NORMAL_WLAN_IDX, rxd1);
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status->wcid = mt7921_rx_get_wcid(dev, idx, unicast);
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if (status->wcid) {
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msta = container_of(status->wcid, struct mt7921_sta, wcid);
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spin_lock_bh(&dev->sta_poll_lock);
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if (list_empty(&msta->poll_list))
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list_add_tail(&msta->poll_list, &dev->sta_poll_list);
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spin_unlock_bh(&dev->sta_poll_lock);
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}
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mt7921_get_status_freq_info(dev, mphy, status, chfreq);
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switch (status->band) {
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case NL80211_BAND_5GHZ:
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sband = &mphy->sband_5g.sband;
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break;
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case NL80211_BAND_6GHZ:
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sband = &mphy->sband_6g.sband;
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break;
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default:
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sband = &mphy->sband_2g.sband;
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break;
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}
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if (!sband->channels)
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return -EINVAL;
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if (mt76_is_mmio(&dev->mt76) && (rxd0 & csum_mask) == csum_mask &&
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!(csum_status & (BIT(0) | BIT(2) | BIT(3))))
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skb->ip_summed = CHECKSUM_UNNECESSARY;
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if (rxd1 & MT_RXD1_NORMAL_FCS_ERR)
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status->flag |= RX_FLAG_FAILED_FCS_CRC;
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if (rxd1 & MT_RXD1_NORMAL_TKIP_MIC_ERR)
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status->flag |= RX_FLAG_MMIC_ERROR;
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if (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1) != 0 &&
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!(rxd1 & (MT_RXD1_NORMAL_CLM | MT_RXD1_NORMAL_CM))) {
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status->flag |= RX_FLAG_DECRYPTED;
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status->flag |= RX_FLAG_IV_STRIPPED;
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status->flag |= RX_FLAG_MMIC_STRIPPED | RX_FLAG_MIC_STRIPPED;
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}
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remove_pad = FIELD_GET(MT_RXD2_NORMAL_HDR_OFFSET, rxd2);
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if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR)
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return -EINVAL;
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rxd += 6;
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if (rxd1 & MT_RXD1_NORMAL_GROUP_4) {
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u32 v0 = le32_to_cpu(rxd[0]);
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u32 v2 = le32_to_cpu(rxd[2]);
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fc = cpu_to_le16(FIELD_GET(MT_RXD6_FRAME_CONTROL, v0));
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seq_ctrl = FIELD_GET(MT_RXD8_SEQ_CTRL, v2);
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qos_ctl = FIELD_GET(MT_RXD8_QOS_CTL, v2);
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rxd += 4;
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if ((u8 *)rxd - skb->data >= skb->len)
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return -EINVAL;
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}
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if (rxd1 & MT_RXD1_NORMAL_GROUP_1) {
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u8 *data = (u8 *)rxd;
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if (status->flag & RX_FLAG_DECRYPTED) {
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switch (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1)) {
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case MT_CIPHER_AES_CCMP:
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case MT_CIPHER_CCMP_CCX:
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case MT_CIPHER_CCMP_256:
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insert_ccmp_hdr =
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FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
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fallthrough;
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case MT_CIPHER_TKIP:
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case MT_CIPHER_TKIP_NO_MIC:
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case MT_CIPHER_GCMP:
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case MT_CIPHER_GCMP_256:
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status->iv[0] = data[5];
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status->iv[1] = data[4];
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status->iv[2] = data[3];
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status->iv[3] = data[2];
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status->iv[4] = data[1];
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status->iv[5] = data[0];
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break;
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default:
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break;
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}
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}
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rxd += 4;
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if ((u8 *)rxd - skb->data >= skb->len)
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return -EINVAL;
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}
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if (rxd1 & MT_RXD1_NORMAL_GROUP_2) {
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status->timestamp = le32_to_cpu(rxd[0]);
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status->flag |= RX_FLAG_MACTIME_START;
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if (!(rxd2 & MT_RXD2_NORMAL_NON_AMPDU)) {
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status->flag |= RX_FLAG_AMPDU_DETAILS;
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/* all subframes of an A-MPDU have the same timestamp */
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if (phy->rx_ampdu_ts != status->timestamp) {
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if (!++phy->ampdu_ref)
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phy->ampdu_ref++;
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}
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phy->rx_ampdu_ts = status->timestamp;
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status->ampdu_ref = phy->ampdu_ref;
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}
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rxd += 2;
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if ((u8 *)rxd - skb->data >= skb->len)
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return -EINVAL;
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}
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/* RXD Group 3 - P-RXV */
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if (rxd1 & MT_RXD1_NORMAL_GROUP_3) {
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u32 v0, v1;
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int ret;
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rxv = rxd;
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rxd += 2;
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if ((u8 *)rxd - skb->data >= skb->len)
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return -EINVAL;
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v0 = le32_to_cpu(rxv[0]);
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v1 = le32_to_cpu(rxv[1]);
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if (v0 & MT_PRXV_HT_AD_CODE)
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status->enc_flags |= RX_ENC_FLAG_LDPC;
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ret = mt76_connac2_mac_fill_rx_rate(&dev->mt76, status, sband,
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rxv, &mode);
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if (ret < 0)
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return ret;
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if (rxd1 & MT_RXD1_NORMAL_GROUP_5) {
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rxd += 6;
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if ((u8 *)rxd - skb->data >= skb->len)
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return -EINVAL;
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rxv = rxd;
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/* Monitor mode would use RCPI described in GROUP 5
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* instead.
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*/
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v1 = le32_to_cpu(rxv[0]);
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rxd += 12;
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if ((u8 *)rxd - skb->data >= skb->len)
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return -EINVAL;
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}
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status->chains = mphy->antenna_mask;
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status->chain_signal[0] = to_rssi(MT_PRXV_RCPI0, v1);
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status->chain_signal[1] = to_rssi(MT_PRXV_RCPI1, v1);
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status->chain_signal[2] = to_rssi(MT_PRXV_RCPI2, v1);
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status->chain_signal[3] = to_rssi(MT_PRXV_RCPI3, v1);
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status->signal = -128;
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for (i = 0; i < hweight8(mphy->antenna_mask); i++) {
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if (!(status->chains & BIT(i)) ||
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status->chain_signal[i] >= 0)
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continue;
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status->signal = max(status->signal,
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status->chain_signal[i]);
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}
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}
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amsdu_info = FIELD_GET(MT_RXD4_NORMAL_PAYLOAD_FORMAT, rxd4);
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status->amsdu = !!amsdu_info;
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if (status->amsdu) {
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status->first_amsdu = amsdu_info == MT_RXD4_FIRST_AMSDU_FRAME;
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status->last_amsdu = amsdu_info == MT_RXD4_LAST_AMSDU_FRAME;
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}
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hdr_gap = (u8 *)rxd - skb->data + 2 * remove_pad;
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if (hdr_trans && ieee80211_has_morefrags(fc)) {
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struct ieee80211_vif *vif;
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int err;
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if (!msta || !msta->vif)
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return -EINVAL;
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vif = container_of((void *)msta->vif, struct ieee80211_vif,
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drv_priv);
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err = mt76_connac2_reverse_frag0_hdr_trans(vif, skb, hdr_gap);
|
|
if (err)
|
|
return err;
|
|
|
|
hdr_trans = false;
|
|
} else {
|
|
skb_pull(skb, hdr_gap);
|
|
if (!hdr_trans && status->amsdu) {
|
|
memmove(skb->data + 2, skb->data,
|
|
ieee80211_get_hdrlen_from_skb(skb));
|
|
skb_pull(skb, 2);
|
|
}
|
|
}
|
|
|
|
if (!hdr_trans) {
|
|
struct ieee80211_hdr *hdr;
|
|
|
|
if (insert_ccmp_hdr) {
|
|
u8 key_id = FIELD_GET(MT_RXD1_NORMAL_KEY_ID, rxd1);
|
|
|
|
mt76_insert_ccmp_hdr(skb, key_id);
|
|
}
|
|
|
|
hdr = mt76_skb_get_hdr(skb);
|
|
fc = hdr->frame_control;
|
|
if (ieee80211_is_data_qos(fc)) {
|
|
seq_ctrl = le16_to_cpu(hdr->seq_ctrl);
|
|
qos_ctl = *ieee80211_get_qos_ctl(hdr);
|
|
}
|
|
} else {
|
|
status->flag |= RX_FLAG_8023;
|
|
}
|
|
|
|
mt7921_mac_assoc_rssi(dev, skb);
|
|
|
|
if (rxv && mode >= MT_PHY_TYPE_HE_SU && !(status->flag & RX_FLAG_8023))
|
|
mt76_connac2_mac_decode_he_radiotap(&dev->mt76, skb, rxv, mode);
|
|
|
|
if (!status->wcid || !ieee80211_is_data_qos(fc))
|
|
return 0;
|
|
|
|
status->aggr = unicast && !ieee80211_is_qos_nullfunc(fc);
|
|
status->seqno = IEEE80211_SEQ_TO_SN(seq_ctrl);
|
|
status->qos_ctl = qos_ctl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi)
|
|
{
|
|
struct mt7921_sta *msta;
|
|
u16 fc, tid;
|
|
u32 val;
|
|
|
|
if (!sta || !(sta->deflink.ht_cap.ht_supported || sta->deflink.he_cap.has_he))
|
|
return;
|
|
|
|
tid = le32_get_bits(txwi[1], MT_TXD1_TID);
|
|
if (tid >= 6) /* skip VO queue */
|
|
return;
|
|
|
|
val = le32_to_cpu(txwi[2]);
|
|
fc = FIELD_GET(MT_TXD2_FRAME_TYPE, val) << 2 |
|
|
FIELD_GET(MT_TXD2_SUB_TYPE, val) << 4;
|
|
if (unlikely(fc != (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA)))
|
|
return;
|
|
|
|
msta = (struct mt7921_sta *)sta->drv_priv;
|
|
if (!test_and_set_bit(tid, &msta->ampdu_state))
|
|
ieee80211_start_tx_ba_session(sta, tid, 0);
|
|
}
|
|
|
|
void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data)
|
|
{
|
|
struct mt7921_sta *msta = NULL;
|
|
struct mt76_wcid *wcid;
|
|
__le32 *txs_data = data;
|
|
u16 wcidx;
|
|
u8 pid;
|
|
|
|
if (le32_get_bits(txs_data[0], MT_TXS0_TXS_FORMAT) > 1)
|
|
return;
|
|
|
|
wcidx = le32_get_bits(txs_data[2], MT_TXS2_WCID);
|
|
pid = le32_get_bits(txs_data[3], MT_TXS3_PID);
|
|
|
|
if (pid < MT_PACKET_ID_FIRST)
|
|
return;
|
|
|
|
if (wcidx >= MT7921_WTBL_SIZE)
|
|
return;
|
|
|
|
rcu_read_lock();
|
|
|
|
wcid = rcu_dereference(dev->mt76.wcid[wcidx]);
|
|
if (!wcid)
|
|
goto out;
|
|
|
|
msta = container_of(wcid, struct mt7921_sta, wcid);
|
|
|
|
mt76_connac2_mac_add_txs_skb(&dev->mt76, wcid, pid, txs_data);
|
|
if (!wcid->sta)
|
|
goto out;
|
|
|
|
spin_lock_bh(&dev->sta_poll_lock);
|
|
if (list_empty(&msta->poll_list))
|
|
list_add_tail(&msta->poll_list, &dev->sta_poll_list);
|
|
spin_unlock_bh(&dev->sta_poll_lock);
|
|
|
|
out:
|
|
rcu_read_unlock();
|
|
}
|
|
|
|
void mt7921_txwi_free(struct mt7921_dev *dev, struct mt76_txwi_cache *t,
|
|
struct ieee80211_sta *sta, bool clear_status,
|
|
struct list_head *free_list)
|
|
{
|
|
struct mt76_dev *mdev = &dev->mt76;
|
|
__le32 *txwi;
|
|
u16 wcid_idx;
|
|
|
|
mt76_connac_txp_skb_unmap(mdev, t);
|
|
if (!t->skb)
|
|
goto out;
|
|
|
|
txwi = (__le32 *)mt76_get_txwi_ptr(mdev, t);
|
|
if (sta) {
|
|
struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv;
|
|
|
|
if (likely(t->skb->protocol != cpu_to_be16(ETH_P_PAE)))
|
|
mt7921_tx_check_aggr(sta, txwi);
|
|
|
|
wcid_idx = wcid->idx;
|
|
} else {
|
|
wcid_idx = le32_get_bits(txwi[1], MT_TXD1_WLAN_IDX);
|
|
}
|
|
|
|
__mt76_tx_complete_skb(mdev, wcid_idx, t->skb, free_list);
|
|
out:
|
|
t->skb = NULL;
|
|
mt76_put_txwi(mdev, t);
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_txwi_free);
|
|
|
|
static void mt7921_mac_tx_free(struct mt7921_dev *dev, void *data, int len)
|
|
{
|
|
struct mt76_connac_tx_free *free = data;
|
|
__le32 *tx_info = (__le32 *)(data + sizeof(*free));
|
|
struct mt76_dev *mdev = &dev->mt76;
|
|
struct mt76_txwi_cache *txwi;
|
|
struct ieee80211_sta *sta = NULL;
|
|
struct sk_buff *skb, *tmp;
|
|
void *end = data + len;
|
|
LIST_HEAD(free_list);
|
|
bool wake = false;
|
|
u8 i, count;
|
|
|
|
/* clean DMA queues and unmap buffers first */
|
|
mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_PSD], false);
|
|
mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_BE], false);
|
|
|
|
count = le16_get_bits(free->ctrl, MT_TX_FREE_MSDU_CNT);
|
|
if (WARN_ON_ONCE((void *)&tx_info[count] > end))
|
|
return;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
u32 msdu, info = le32_to_cpu(tx_info[i]);
|
|
u8 stat;
|
|
|
|
/* 1'b1: new wcid pair.
|
|
* 1'b0: msdu_id with the same 'wcid pair' as above.
|
|
*/
|
|
if (info & MT_TX_FREE_PAIR) {
|
|
struct mt7921_sta *msta;
|
|
struct mt76_wcid *wcid;
|
|
u16 idx;
|
|
|
|
count++;
|
|
idx = FIELD_GET(MT_TX_FREE_WLAN_ID, info);
|
|
wcid = rcu_dereference(dev->mt76.wcid[idx]);
|
|
sta = wcid_to_sta(wcid);
|
|
if (!sta)
|
|
continue;
|
|
|
|
msta = container_of(wcid, struct mt7921_sta, wcid);
|
|
spin_lock_bh(&dev->sta_poll_lock);
|
|
if (list_empty(&msta->poll_list))
|
|
list_add_tail(&msta->poll_list, &dev->sta_poll_list);
|
|
spin_unlock_bh(&dev->sta_poll_lock);
|
|
continue;
|
|
}
|
|
|
|
msdu = FIELD_GET(MT_TX_FREE_MSDU_ID, info);
|
|
stat = FIELD_GET(MT_TX_FREE_STATUS, info);
|
|
|
|
txwi = mt76_token_release(mdev, msdu, &wake);
|
|
if (!txwi)
|
|
continue;
|
|
|
|
mt7921_txwi_free(dev, txwi, sta, stat, &free_list);
|
|
}
|
|
|
|
if (wake)
|
|
mt76_set_tx_blocked(&dev->mt76, false);
|
|
|
|
list_for_each_entry_safe(skb, tmp, &free_list, list) {
|
|
skb_list_del_init(skb);
|
|
napi_consume_skb(skb, 1);
|
|
}
|
|
|
|
rcu_read_lock();
|
|
mt7921_mac_sta_poll(dev);
|
|
rcu_read_unlock();
|
|
|
|
mt76_worker_schedule(&dev->mt76.tx_worker);
|
|
}
|
|
|
|
bool mt7921_rx_check(struct mt76_dev *mdev, void *data, int len)
|
|
{
|
|
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
|
__le32 *rxd = (__le32 *)data;
|
|
__le32 *end = (__le32 *)&rxd[len / 4];
|
|
enum rx_pkt_type type;
|
|
|
|
type = le32_get_bits(rxd[0], MT_RXD0_PKT_TYPE);
|
|
|
|
switch (type) {
|
|
case PKT_TYPE_TXRX_NOTIFY:
|
|
/* PKT_TYPE_TXRX_NOTIFY can be received only by mmio devices */
|
|
mt7921_mac_tx_free(dev, data, len); /* mmio */
|
|
return false;
|
|
case PKT_TYPE_TXS:
|
|
for (rxd += 2; rxd + 8 <= end; rxd += 8)
|
|
mt7921_mac_add_txs(dev, rxd);
|
|
return false;
|
|
default:
|
|
return true;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_rx_check);
|
|
|
|
void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
|
|
struct sk_buff *skb, u32 *info)
|
|
{
|
|
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
|
__le32 *rxd = (__le32 *)skb->data;
|
|
__le32 *end = (__le32 *)&skb->data[skb->len];
|
|
enum rx_pkt_type type;
|
|
u16 flag;
|
|
|
|
type = le32_get_bits(rxd[0], MT_RXD0_PKT_TYPE);
|
|
flag = le32_get_bits(rxd[0], MT_RXD0_PKT_FLAG);
|
|
|
|
if (type == PKT_TYPE_RX_EVENT && flag == 0x1)
|
|
type = PKT_TYPE_NORMAL_MCU;
|
|
|
|
switch (type) {
|
|
case PKT_TYPE_TXRX_NOTIFY:
|
|
/* PKT_TYPE_TXRX_NOTIFY can be received only by mmio devices */
|
|
mt7921_mac_tx_free(dev, skb->data, skb->len);
|
|
napi_consume_skb(skb, 1);
|
|
break;
|
|
case PKT_TYPE_RX_EVENT:
|
|
mt7921_mcu_rx_event(dev, skb);
|
|
break;
|
|
case PKT_TYPE_TXS:
|
|
for (rxd += 2; rxd + 8 <= end; rxd += 8)
|
|
mt7921_mac_add_txs(dev, rxd);
|
|
dev_kfree_skb(skb);
|
|
break;
|
|
case PKT_TYPE_NORMAL_MCU:
|
|
case PKT_TYPE_NORMAL:
|
|
if (!mt7921_mac_fill_rx(dev, skb)) {
|
|
mt76_rx(&dev->mt76, q, skb);
|
|
return;
|
|
}
|
|
fallthrough;
|
|
default:
|
|
dev_kfree_skb(skb);
|
|
break;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_queue_rx_skb);
|
|
|
|
void mt7921_mac_reset_counters(struct mt7921_phy *phy)
|
|
{
|
|
struct mt7921_dev *dev = phy->dev;
|
|
int i;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
mt76_rr(dev, MT_TX_AGG_CNT(0, i));
|
|
mt76_rr(dev, MT_TX_AGG_CNT2(0, i));
|
|
}
|
|
|
|
dev->mt76.phy.survey_time = ktime_get_boottime();
|
|
memset(phy->mt76->aggr_stats, 0, sizeof(phy->mt76->aggr_stats));
|
|
|
|
/* reset airtime counters */
|
|
mt76_rr(dev, MT_MIB_SDR9(0));
|
|
mt76_rr(dev, MT_MIB_SDR36(0));
|
|
mt76_rr(dev, MT_MIB_SDR37(0));
|
|
|
|
mt76_set(dev, MT_WF_RMAC_MIB_TIME0(0), MT_WF_RMAC_MIB_RXTIME_CLR);
|
|
mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(0), MT_WF_RMAC_MIB_RXTIME_CLR);
|
|
}
|
|
|
|
void mt7921_mac_set_timing(struct mt7921_phy *phy)
|
|
{
|
|
s16 coverage_class = phy->coverage_class;
|
|
struct mt7921_dev *dev = phy->dev;
|
|
u32 val, reg_offset;
|
|
u32 cck = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 231) |
|
|
FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48);
|
|
u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) |
|
|
FIELD_PREP(MT_TIMEOUT_VAL_CCA, 28);
|
|
bool is_2ghz = phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ;
|
|
int sifs = is_2ghz ? 10 : 16, offset;
|
|
|
|
if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
|
|
return;
|
|
|
|
mt76_set(dev, MT_ARB_SCR(0),
|
|
MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
|
|
udelay(1);
|
|
|
|
offset = 3 * coverage_class;
|
|
reg_offset = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, offset) |
|
|
FIELD_PREP(MT_TIMEOUT_VAL_CCA, offset);
|
|
|
|
mt76_wr(dev, MT_TMAC_CDTR(0), cck + reg_offset);
|
|
mt76_wr(dev, MT_TMAC_ODTR(0), ofdm + reg_offset);
|
|
mt76_wr(dev, MT_TMAC_ICR0(0),
|
|
FIELD_PREP(MT_IFS_EIFS, 360) |
|
|
FIELD_PREP(MT_IFS_RIFS, 2) |
|
|
FIELD_PREP(MT_IFS_SIFS, sifs) |
|
|
FIELD_PREP(MT_IFS_SLOT, phy->slottime));
|
|
|
|
if (phy->slottime < 20 || !is_2ghz)
|
|
val = MT7921_CFEND_RATE_DEFAULT;
|
|
else
|
|
val = MT7921_CFEND_RATE_11B;
|
|
|
|
mt76_rmw_field(dev, MT_AGG_ACR0(0), MT_AGG_ACR_CFEND_RATE, val);
|
|
mt76_clear(dev, MT_ARB_SCR(0),
|
|
MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
|
|
}
|
|
|
|
static u8
|
|
mt7921_phy_get_nf(struct mt7921_phy *phy, int idx)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
mt7921_phy_update_channel(struct mt76_phy *mphy, int idx)
|
|
{
|
|
struct mt7921_dev *dev = container_of(mphy->dev, struct mt7921_dev, mt76);
|
|
struct mt7921_phy *phy = (struct mt7921_phy *)mphy->priv;
|
|
struct mt76_channel_state *state;
|
|
u64 busy_time, tx_time, rx_time, obss_time;
|
|
int nf;
|
|
|
|
busy_time = mt76_get_field(dev, MT_MIB_SDR9(idx),
|
|
MT_MIB_SDR9_BUSY_MASK);
|
|
tx_time = mt76_get_field(dev, MT_MIB_SDR36(idx),
|
|
MT_MIB_SDR36_TXTIME_MASK);
|
|
rx_time = mt76_get_field(dev, MT_MIB_SDR37(idx),
|
|
MT_MIB_SDR37_RXTIME_MASK);
|
|
obss_time = mt76_get_field(dev, MT_WF_RMAC_MIB_AIRTIME14(idx),
|
|
MT_MIB_OBSSTIME_MASK);
|
|
|
|
nf = mt7921_phy_get_nf(phy, idx);
|
|
if (!phy->noise)
|
|
phy->noise = nf << 4;
|
|
else if (nf)
|
|
phy->noise += nf - (phy->noise >> 4);
|
|
|
|
state = mphy->chan_state;
|
|
state->cc_busy += busy_time;
|
|
state->cc_tx += tx_time;
|
|
state->cc_rx += rx_time + obss_time;
|
|
state->cc_bss_rx += rx_time;
|
|
state->noise = -(phy->noise >> 4);
|
|
}
|
|
|
|
void mt7921_update_channel(struct mt76_phy *mphy)
|
|
{
|
|
struct mt7921_dev *dev = container_of(mphy->dev, struct mt7921_dev, mt76);
|
|
|
|
if (mt76_connac_pm_wake(mphy, &dev->pm))
|
|
return;
|
|
|
|
mt7921_phy_update_channel(mphy, 0);
|
|
/* reset obss airtime */
|
|
mt76_set(dev, MT_WF_RMAC_MIB_TIME0(0), MT_WF_RMAC_MIB_RXTIME_CLR);
|
|
|
|
mt76_connac_power_save_sched(mphy, &dev->pm);
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_update_channel);
|
|
|
|
static void
|
|
mt7921_vif_connect_iter(void *priv, u8 *mac,
|
|
struct ieee80211_vif *vif)
|
|
{
|
|
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
|
|
struct mt7921_dev *dev = mvif->phy->dev;
|
|
struct ieee80211_hw *hw = mt76_hw(dev);
|
|
|
|
if (vif->type == NL80211_IFTYPE_STATION)
|
|
ieee80211_disconnect(vif, true);
|
|
|
|
mt76_connac_mcu_uni_add_dev(&dev->mphy, vif, &mvif->sta.wcid, true);
|
|
mt7921_mcu_set_tx(dev, vif);
|
|
|
|
if (vif->type == NL80211_IFTYPE_AP) {
|
|
mt76_connac_mcu_uni_add_bss(dev->phy.mt76, vif, &mvif->sta.wcid,
|
|
true, NULL);
|
|
mt7921_mcu_sta_update(dev, NULL, vif, true,
|
|
MT76_STA_INFO_STATE_NONE);
|
|
mt7921_mcu_uni_add_beacon_offload(dev, hw, vif, true);
|
|
}
|
|
}
|
|
|
|
/* system error recovery */
|
|
void mt7921_mac_reset_work(struct work_struct *work)
|
|
{
|
|
struct mt7921_dev *dev = container_of(work, struct mt7921_dev,
|
|
reset_work);
|
|
struct ieee80211_hw *hw = mt76_hw(dev);
|
|
struct mt76_connac_pm *pm = &dev->pm;
|
|
int i, ret;
|
|
|
|
dev_dbg(dev->mt76.dev, "chip reset\n");
|
|
dev->hw_full_reset = true;
|
|
ieee80211_stop_queues(hw);
|
|
|
|
cancel_delayed_work_sync(&dev->mphy.mac_work);
|
|
cancel_delayed_work_sync(&pm->ps_work);
|
|
cancel_work_sync(&pm->wake_work);
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
mutex_lock(&dev->mt76.mutex);
|
|
ret = mt7921_dev_reset(dev);
|
|
mutex_unlock(&dev->mt76.mutex);
|
|
|
|
if (!ret)
|
|
break;
|
|
}
|
|
|
|
if (i == 10)
|
|
dev_err(dev->mt76.dev, "chip reset failed\n");
|
|
|
|
if (test_and_clear_bit(MT76_HW_SCANNING, &dev->mphy.state)) {
|
|
struct cfg80211_scan_info info = {
|
|
.aborted = true,
|
|
};
|
|
|
|
ieee80211_scan_completed(dev->mphy.hw, &info);
|
|
}
|
|
|
|
dev->hw_full_reset = false;
|
|
pm->suspended = false;
|
|
ieee80211_wake_queues(hw);
|
|
ieee80211_iterate_active_interfaces(hw,
|
|
IEEE80211_IFACE_ITER_RESUME_ALL,
|
|
mt7921_vif_connect_iter, NULL);
|
|
mt76_connac_power_save_sched(&dev->mt76.phy, pm);
|
|
}
|
|
|
|
void mt7921_reset(struct mt76_dev *mdev)
|
|
{
|
|
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
|
struct mt76_connac_pm *pm = &dev->pm;
|
|
|
|
if (!dev->hw_init_done)
|
|
return;
|
|
|
|
if (dev->hw_full_reset)
|
|
return;
|
|
|
|
if (pm->suspended)
|
|
return;
|
|
|
|
queue_work(dev->mt76.wq, &dev->reset_work);
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_reset);
|
|
|
|
void mt7921_mac_update_mib_stats(struct mt7921_phy *phy)
|
|
{
|
|
struct mt7921_dev *dev = phy->dev;
|
|
struct mib_stats *mib = &phy->mib;
|
|
int i, aggr0 = 0, aggr1;
|
|
u32 val;
|
|
|
|
mib->fcs_err_cnt += mt76_get_field(dev, MT_MIB_SDR3(0),
|
|
MT_MIB_SDR3_FCS_ERR_MASK);
|
|
mib->ack_fail_cnt += mt76_get_field(dev, MT_MIB_MB_BSDR3(0),
|
|
MT_MIB_ACK_FAIL_COUNT_MASK);
|
|
mib->ba_miss_cnt += mt76_get_field(dev, MT_MIB_MB_BSDR2(0),
|
|
MT_MIB_BA_FAIL_COUNT_MASK);
|
|
mib->rts_cnt += mt76_get_field(dev, MT_MIB_MB_BSDR0(0),
|
|
MT_MIB_RTS_COUNT_MASK);
|
|
mib->rts_retries_cnt += mt76_get_field(dev, MT_MIB_MB_BSDR1(0),
|
|
MT_MIB_RTS_FAIL_COUNT_MASK);
|
|
|
|
mib->tx_ampdu_cnt += mt76_rr(dev, MT_MIB_SDR12(0));
|
|
mib->tx_mpdu_attempts_cnt += mt76_rr(dev, MT_MIB_SDR14(0));
|
|
mib->tx_mpdu_success_cnt += mt76_rr(dev, MT_MIB_SDR15(0));
|
|
|
|
val = mt76_rr(dev, MT_MIB_SDR32(0));
|
|
mib->tx_pkt_ebf_cnt += FIELD_GET(MT_MIB_SDR9_EBF_CNT_MASK, val);
|
|
mib->tx_pkt_ibf_cnt += FIELD_GET(MT_MIB_SDR9_IBF_CNT_MASK, val);
|
|
|
|
val = mt76_rr(dev, MT_ETBF_TX_APP_CNT(0));
|
|
mib->tx_bf_ibf_ppdu_cnt += FIELD_GET(MT_ETBF_TX_IBF_CNT, val);
|
|
mib->tx_bf_ebf_ppdu_cnt += FIELD_GET(MT_ETBF_TX_EBF_CNT, val);
|
|
|
|
val = mt76_rr(dev, MT_ETBF_RX_FB_CNT(0));
|
|
mib->tx_bf_rx_fb_all_cnt += FIELD_GET(MT_ETBF_RX_FB_ALL, val);
|
|
mib->tx_bf_rx_fb_he_cnt += FIELD_GET(MT_ETBF_RX_FB_HE, val);
|
|
mib->tx_bf_rx_fb_vht_cnt += FIELD_GET(MT_ETBF_RX_FB_VHT, val);
|
|
mib->tx_bf_rx_fb_ht_cnt += FIELD_GET(MT_ETBF_RX_FB_HT, val);
|
|
|
|
mib->rx_mpdu_cnt += mt76_rr(dev, MT_MIB_SDR5(0));
|
|
mib->rx_ampdu_cnt += mt76_rr(dev, MT_MIB_SDR22(0));
|
|
mib->rx_ampdu_bytes_cnt += mt76_rr(dev, MT_MIB_SDR23(0));
|
|
mib->rx_ba_cnt += mt76_rr(dev, MT_MIB_SDR31(0));
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) {
|
|
val = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i));
|
|
mib->tx_amsdu[i] += val;
|
|
mib->tx_amsdu_cnt += val;
|
|
}
|
|
|
|
for (i = 0, aggr1 = aggr0 + 8; i < 4; i++) {
|
|
u32 val2;
|
|
|
|
val = mt76_rr(dev, MT_TX_AGG_CNT(0, i));
|
|
val2 = mt76_rr(dev, MT_TX_AGG_CNT2(0, i));
|
|
|
|
phy->mt76->aggr_stats[aggr0++] += val & 0xffff;
|
|
phy->mt76->aggr_stats[aggr0++] += val >> 16;
|
|
phy->mt76->aggr_stats[aggr1++] += val2 & 0xffff;
|
|
phy->mt76->aggr_stats[aggr1++] += val2 >> 16;
|
|
}
|
|
}
|
|
|
|
void mt7921_mac_work(struct work_struct *work)
|
|
{
|
|
struct mt7921_phy *phy;
|
|
struct mt76_phy *mphy;
|
|
|
|
mphy = (struct mt76_phy *)container_of(work, struct mt76_phy,
|
|
mac_work.work);
|
|
phy = mphy->priv;
|
|
|
|
mt7921_mutex_acquire(phy->dev);
|
|
|
|
mt76_update_survey(mphy);
|
|
if (++mphy->mac_work_count == 2) {
|
|
mphy->mac_work_count = 0;
|
|
|
|
mt7921_mac_update_mib_stats(phy);
|
|
}
|
|
|
|
mt7921_mutex_release(phy->dev);
|
|
|
|
mt76_tx_status_check(mphy->dev, false);
|
|
ieee80211_queue_delayed_work(phy->mt76->hw, &mphy->mac_work,
|
|
MT7921_WATCHDOG_TIME);
|
|
}
|
|
|
|
void mt7921_pm_wake_work(struct work_struct *work)
|
|
{
|
|
struct mt7921_dev *dev;
|
|
struct mt76_phy *mphy;
|
|
|
|
dev = (struct mt7921_dev *)container_of(work, struct mt7921_dev,
|
|
pm.wake_work);
|
|
mphy = dev->phy.mt76;
|
|
|
|
if (!mt7921_mcu_drv_pmctrl(dev)) {
|
|
struct mt76_dev *mdev = &dev->mt76;
|
|
int i;
|
|
|
|
if (mt76_is_sdio(mdev)) {
|
|
mt76_connac_pm_dequeue_skbs(mphy, &dev->pm);
|
|
mt76_worker_schedule(&mdev->sdio.txrx_worker);
|
|
} else {
|
|
local_bh_disable();
|
|
mt76_for_each_q_rx(mdev, i)
|
|
napi_schedule(&mdev->napi[i]);
|
|
local_bh_enable();
|
|
mt76_connac_pm_dequeue_skbs(mphy, &dev->pm);
|
|
mt76_connac_tx_cleanup(mdev);
|
|
}
|
|
if (test_bit(MT76_STATE_RUNNING, &mphy->state))
|
|
ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
|
|
MT7921_WATCHDOG_TIME);
|
|
}
|
|
|
|
ieee80211_wake_queues(mphy->hw);
|
|
wake_up(&dev->pm.wait);
|
|
}
|
|
|
|
void mt7921_pm_power_save_work(struct work_struct *work)
|
|
{
|
|
struct mt7921_dev *dev;
|
|
unsigned long delta;
|
|
struct mt76_phy *mphy;
|
|
|
|
dev = (struct mt7921_dev *)container_of(work, struct mt7921_dev,
|
|
pm.ps_work.work);
|
|
mphy = dev->phy.mt76;
|
|
|
|
delta = dev->pm.idle_timeout;
|
|
if (test_bit(MT76_HW_SCANNING, &mphy->state) ||
|
|
test_bit(MT76_HW_SCHED_SCANNING, &mphy->state) ||
|
|
dev->fw_assert)
|
|
goto out;
|
|
|
|
if (mutex_is_locked(&dev->mt76.mutex))
|
|
/* if mt76 mutex is held we should not put the device
|
|
* to sleep since we are currently accessing device
|
|
* register map. We need to wait for the next power_save
|
|
* trigger.
|
|
*/
|
|
goto out;
|
|
|
|
if (time_is_after_jiffies(dev->pm.last_activity + delta)) {
|
|
delta = dev->pm.last_activity + delta - jiffies;
|
|
goto out;
|
|
}
|
|
|
|
if (!mt7921_mcu_fw_pmctrl(dev)) {
|
|
cancel_delayed_work_sync(&mphy->mac_work);
|
|
return;
|
|
}
|
|
out:
|
|
queue_delayed_work(dev->mt76.wq, &dev->pm.ps_work, delta);
|
|
}
|
|
|
|
void mt7921_coredump_work(struct work_struct *work)
|
|
{
|
|
struct mt7921_dev *dev;
|
|
char *dump, *data;
|
|
|
|
dev = (struct mt7921_dev *)container_of(work, struct mt7921_dev,
|
|
coredump.work.work);
|
|
|
|
if (time_is_after_jiffies(dev->coredump.last_activity +
|
|
4 * MT76_CONNAC_COREDUMP_TIMEOUT)) {
|
|
queue_delayed_work(dev->mt76.wq, &dev->coredump.work,
|
|
MT76_CONNAC_COREDUMP_TIMEOUT);
|
|
return;
|
|
}
|
|
|
|
dump = vzalloc(MT76_CONNAC_COREDUMP_SZ);
|
|
data = dump;
|
|
|
|
while (true) {
|
|
struct sk_buff *skb;
|
|
|
|
spin_lock_bh(&dev->mt76.lock);
|
|
skb = __skb_dequeue(&dev->coredump.msg_list);
|
|
spin_unlock_bh(&dev->mt76.lock);
|
|
|
|
if (!skb)
|
|
break;
|
|
|
|
skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd));
|
|
if (!dump || data + skb->len - dump > MT76_CONNAC_COREDUMP_SZ) {
|
|
dev_kfree_skb(skb);
|
|
continue;
|
|
}
|
|
|
|
memcpy(data, skb->data, skb->len);
|
|
data += skb->len;
|
|
|
|
dev_kfree_skb(skb);
|
|
}
|
|
|
|
if (dump)
|
|
dev_coredumpv(dev->mt76.dev, dump, MT76_CONNAC_COREDUMP_SZ,
|
|
GFP_KERNEL);
|
|
|
|
mt7921_reset(&dev->mt76);
|
|
}
|
|
|
|
/* usb_sdio */
|
|
static void
|
|
mt7921_usb_sdio_write_txwi(struct mt7921_dev *dev, struct mt76_wcid *wcid,
|
|
enum mt76_txq_id qid, struct ieee80211_sta *sta,
|
|
struct ieee80211_key_conf *key, int pid,
|
|
struct sk_buff *skb)
|
|
{
|
|
__le32 *txwi = (__le32 *)(skb->data - MT_SDIO_TXD_SIZE);
|
|
|
|
memset(txwi, 0, MT_SDIO_TXD_SIZE);
|
|
mt76_connac2_mac_write_txwi(&dev->mt76, txwi, skb, wcid, key, pid, qid, 0);
|
|
skb_push(skb, MT_SDIO_TXD_SIZE);
|
|
}
|
|
|
|
int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
|
|
enum mt76_txq_id qid, struct mt76_wcid *wcid,
|
|
struct ieee80211_sta *sta,
|
|
struct mt76_tx_info *tx_info)
|
|
{
|
|
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
|
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
|
|
struct ieee80211_key_conf *key = info->control.hw_key;
|
|
struct sk_buff *skb = tx_info->skb;
|
|
int err, pad, pktid, type;
|
|
|
|
if (unlikely(tx_info->skb->len <= ETH_HLEN))
|
|
return -EINVAL;
|
|
|
|
if (!wcid)
|
|
wcid = &dev->mt76.global_wcid;
|
|
|
|
if (sta) {
|
|
struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;
|
|
|
|
if (time_after(jiffies, msta->last_txs + HZ / 4)) {
|
|
info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
|
|
msta->last_txs = jiffies;
|
|
}
|
|
}
|
|
|
|
pktid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb);
|
|
mt7921_usb_sdio_write_txwi(dev, wcid, qid, sta, key, pktid, skb);
|
|
|
|
type = mt76_is_sdio(mdev) ? MT7921_SDIO_DATA : 0;
|
|
mt7921_skb_add_usb_sdio_hdr(dev, skb, type);
|
|
pad = round_up(skb->len, 4) - skb->len;
|
|
if (mt76_is_usb(mdev))
|
|
pad += 4;
|
|
|
|
err = mt76_skb_adjust_pad(skb, pad);
|
|
if (err)
|
|
/* Release pktid in case of error. */
|
|
idr_remove(&wcid->pktid, pktid);
|
|
|
|
return err;
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_prepare_skb);
|
|
|
|
void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
|
|
struct mt76_queue_entry *e)
|
|
{
|
|
__le32 *txwi = (__le32 *)(e->skb->data + MT_SDIO_HDR_SIZE);
|
|
unsigned int headroom = MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;
|
|
struct ieee80211_sta *sta;
|
|
struct mt76_wcid *wcid;
|
|
u16 idx;
|
|
|
|
idx = le32_get_bits(txwi[1], MT_TXD1_WLAN_IDX);
|
|
wcid = rcu_dereference(mdev->wcid[idx]);
|
|
sta = wcid_to_sta(wcid);
|
|
|
|
if (sta && likely(e->skb->protocol != cpu_to_be16(ETH_P_PAE)))
|
|
mt7921_tx_check_aggr(sta, txwi);
|
|
|
|
skb_pull(e->skb, headroom);
|
|
mt76_tx_complete_skb(mdev, e->wcid, e->skb);
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_complete_skb);
|
|
|
|
bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update)
|
|
{
|
|
struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
mt7921_mac_sta_poll(dev);
|
|
mt7921_mutex_release(dev);
|
|
|
|
return false;
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt7921_usb_sdio_tx_status_data);
|
|
|
|
#if IS_ENABLED(CONFIG_IPV6)
|
|
void mt7921_set_ipv6_ns_work(struct work_struct *work)
|
|
{
|
|
struct mt7921_dev *dev = container_of(work, struct mt7921_dev,
|
|
ipv6_ns_work);
|
|
struct sk_buff *skb;
|
|
int ret = 0;
|
|
|
|
do {
|
|
skb = skb_dequeue(&dev->ipv6_ns_list);
|
|
|
|
if (!skb)
|
|
break;
|
|
|
|
mt7921_mutex_acquire(dev);
|
|
ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
|
|
MCU_UNI_CMD(OFFLOAD), true);
|
|
mt7921_mutex_release(dev);
|
|
|
|
} while (!ret);
|
|
|
|
if (ret)
|
|
skb_queue_purge(&dev->ipv6_ns_list);
|
|
}
|
|
#endif
|