diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/mac.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 209 |
1 files changed, 157 insertions, 52 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index ec10f95a4649..233998ca4857 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -116,7 +116,7 @@ void mt7921_mac_sta_poll(struct mt7921_dev *dev) sta = container_of((void *)msta, struct ieee80211_sta, drv_priv); for (i = 0; i < IEEE80211_NUM_ACS; i++) { - u8 q = mt7921_lmac_mapping(dev, i); + u8 q = mt76_connac_lmac_mapping(i); u32 tx_cur = tx_time[q]; u32 rx_cur = rx_time[q]; u8 tid = ac_to_tid[i]; @@ -176,8 +176,8 @@ mt7921_mac_decode_he_radiotap_ru(struct mt76_rx_status *status, u32 ru_h, ru_l; u8 ru, offs = 0; - ru_l = FIELD_GET(MT_PRXV_HE_RU_ALLOC_L, le32_to_cpu(rxv[0])); - ru_h = FIELD_GET(MT_PRXV_HE_RU_ALLOC_H, le32_to_cpu(rxv[1])); + ru_l = le32_get_bits(rxv[0], MT_PRXV_HE_RU_ALLOC_L); + ru_h = le32_get_bits(rxv[1], MT_PRXV_HE_RU_ALLOC_H); ru = (u8)(ru_l | ru_h << 4); status->bw = RATE_INFO_BW_HE_RU; @@ -247,19 +247,19 @@ mt7921_mac_decode_he_mu_radiotap(struct sk_buff *skb, __le32 *rxv) MU_PREP(FLAGS2_SIG_B_SYMS_USERS, le32_get_bits(rxv[2], MT_CRXV_HE_NUM_USER)); - he_mu->ru_ch1[0] = FIELD_GET(MT_CRXV_HE_RU0, le32_to_cpu(rxv[3])); + he_mu->ru_ch1[0] = le32_get_bits(rxv[3], MT_CRXV_HE_RU0); if (status->bw >= RATE_INFO_BW_40) { he_mu->flags1 |= HE_BITS(MU_FLAGS1_CH2_RU_KNOWN); he_mu->ru_ch2[0] = - FIELD_GET(MT_CRXV_HE_RU1, le32_to_cpu(rxv[3])); + le32_get_bits(rxv[3], MT_CRXV_HE_RU1); } if (status->bw >= RATE_INFO_BW_80) { he_mu->ru_ch1[1] = - FIELD_GET(MT_CRXV_HE_RU2, le32_to_cpu(rxv[3])); + le32_get_bits(rxv[3], MT_CRXV_HE_RU2); he_mu->ru_ch2[1] = - FIELD_GET(MT_CRXV_HE_RU3, le32_to_cpu(rxv[3])); + le32_get_bits(rxv[3], MT_CRXV_HE_RU3); } } @@ -304,15 +304,16 @@ mt7921_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u32 mode) case MT_PHY_TYPE_HE_SU: he->data1 |= HE_BITS(DATA1_FORMAT_SU) | HE_BITS(DATA1_UL_DL_KNOWN) | - HE_BITS(DATA1_BEAM_CHANGE_KNOWN); + HE_BITS(DATA1_BEAM_CHANGE_KNOWN) | + HE_BITS(DATA1_BW_RU_ALLOC_KNOWN); he->data3 |= HE_PREP(DATA3_BEAM_CHANGE, BEAM_CHNG, rxv[14]) | HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); - he->data4 |= HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[11]); break; case MT_PHY_TYPE_HE_EXT_SU: he->data1 |= HE_BITS(DATA1_FORMAT_EXT_SU) | - HE_BITS(DATA1_UL_DL_KNOWN); + HE_BITS(DATA1_UL_DL_KNOWN) | + HE_BITS(DATA1_BW_RU_ALLOC_KNOWN); he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); break; @@ -402,15 +403,15 @@ mt7921_mac_assoc_rssi(struct mt7921_dev *dev, struct sk_buff *skb) static int mt7921_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap) { struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; + struct ethhdr *eth_hdr = (struct ethhdr *)(skb->data + hdr_gap); struct mt7921_sta *msta = (struct mt7921_sta *)status->wcid; + __le32 *rxd = (__le32 *)skb->data; struct ieee80211_sta *sta; struct ieee80211_vif *vif; struct ieee80211_hdr hdr; - struct ethhdr eth_hdr; - __le32 *rxd = (__le32 *)skb->data; - __le32 qos_ctrl, ht_ctrl; + u16 frame_control; - if (FIELD_GET(MT_RXD3_NORMAL_ADDR_TYPE, le32_to_cpu(rxd[3])) != + if (le32_get_bits(rxd[3], MT_RXD3_NORMAL_ADDR_TYPE) != MT_RXD3_NORMAL_U2M) return -EINVAL; @@ -424,47 +425,52 @@ static int mt7921_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap) vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv); /* store the info from RXD and ethhdr to avoid being overridden */ - memcpy(ð_hdr, skb->data + hdr_gap, sizeof(eth_hdr)); - hdr.frame_control = FIELD_GET(MT_RXD6_FRAME_CONTROL, rxd[6]); - hdr.seq_ctrl = FIELD_GET(MT_RXD8_SEQ_CTRL, rxd[8]); - qos_ctrl = FIELD_GET(MT_RXD8_QOS_CTL, rxd[8]); - ht_ctrl = FIELD_GET(MT_RXD9_HT_CONTROL, rxd[9]); - + frame_control = le32_get_bits(rxd[6], MT_RXD6_FRAME_CONTROL); + hdr.frame_control = cpu_to_le16(frame_control); + hdr.seq_ctrl = cpu_to_le16(le32_get_bits(rxd[8], MT_RXD8_SEQ_CTRL)); hdr.duration_id = 0; + ether_addr_copy(hdr.addr1, vif->addr); ether_addr_copy(hdr.addr2, sta->addr); - switch (le16_to_cpu(hdr.frame_control) & - (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) { + switch (frame_control & (IEEE80211_FCTL_TODS | + IEEE80211_FCTL_FROMDS)) { case 0: ether_addr_copy(hdr.addr3, vif->bss_conf.bssid); break; case IEEE80211_FCTL_FROMDS: - ether_addr_copy(hdr.addr3, eth_hdr.h_source); + ether_addr_copy(hdr.addr3, eth_hdr->h_source); break; case IEEE80211_FCTL_TODS: - ether_addr_copy(hdr.addr3, eth_hdr.h_dest); + ether_addr_copy(hdr.addr3, eth_hdr->h_dest); break; case IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS: - ether_addr_copy(hdr.addr3, eth_hdr.h_dest); - ether_addr_copy(hdr.addr4, eth_hdr.h_source); + ether_addr_copy(hdr.addr3, eth_hdr->h_dest); + ether_addr_copy(hdr.addr4, eth_hdr->h_source); break; default: break; } skb_pull(skb, hdr_gap + sizeof(struct ethhdr) - 2); - if (eth_hdr.h_proto == htons(ETH_P_AARP) || - eth_hdr.h_proto == htons(ETH_P_IPX)) + if (eth_hdr->h_proto == cpu_to_be16(ETH_P_AARP) || + eth_hdr->h_proto == cpu_to_be16(ETH_P_IPX)) ether_addr_copy(skb_push(skb, ETH_ALEN), bridge_tunnel_header); - else if (eth_hdr.h_proto >= htons(ETH_P_802_3_MIN)) + else if (be16_to_cpu(eth_hdr->h_proto) >= ETH_P_802_3_MIN) ether_addr_copy(skb_push(skb, ETH_ALEN), rfc1042_header); else skb_pull(skb, 2); if (ieee80211_has_order(hdr.frame_control)) - memcpy(skb_push(skb, 2), &ht_ctrl, 2); - if (ieee80211_is_data_qos(hdr.frame_control)) - memcpy(skb_push(skb, 2), &qos_ctrl, 2); + memcpy(skb_push(skb, IEEE80211_HT_CTL_LEN), &rxd[9], + IEEE80211_HT_CTL_LEN); + if (ieee80211_is_data_qos(hdr.frame_control)) { + __le16 qos_ctrl; + + qos_ctrl = cpu_to_le16(le32_get_bits(rxd[8], MT_RXD8_QOS_CTL)); + memcpy(skb_push(skb, IEEE80211_QOS_CTL_LEN), &qos_ctrl, + IEEE80211_QOS_CTL_LEN); + } + if (ieee80211_has_a4(hdr.frame_control)) memcpy(skb_push(skb, sizeof(hdr)), &hdr, sizeof(hdr)); else @@ -666,9 +672,6 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) status->chain_signal[i]); } - if (status->signal == -128) - status->flag |= RX_FLAG_NO_SIGNAL_VAL; - stbc = FIELD_GET(MT_PRXV_STBC, v0); gi = FIELD_GET(MT_PRXV_SGI, v0); cck = false; @@ -912,11 +915,18 @@ mt7921_mac_write_txwi_80211(struct mt7921_dev *dev, __le32 *txwi, val = MT_TXD3_SN_VALID | FIELD_PREP(MT_TXD3_SEQ, IEEE80211_SEQ_TO_SN(seqno)); txwi[3] |= cpu_to_le32(val); + txwi[7] &= ~cpu_to_le32(MT_TXD7_HW_AMSDU); } - val = FIELD_PREP(MT_TXD7_TYPE, fc_type) | - FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype); - txwi[7] |= cpu_to_le32(val); + if (mt76_is_mmio(&dev->mt76)) { + val = FIELD_PREP(MT_TXD7_TYPE, fc_type) | + FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype); + txwi[7] |= cpu_to_le32(val); + } else { + val = FIELD_PREP(MT_TXD8_L_TYPE, fc_type) | + FIELD_PREP(MT_TXD8_L_SUB_TYPE, fc_stype); + txwi[8] |= cpu_to_le32(val); + } } void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi, @@ -950,7 +960,7 @@ void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi, } else { p_fmt = is_mmio ? MT_TX_TYPE_CT : MT_TX_TYPE_SF; q_idx = wmm_idx * MT7921_MAX_WMM_SETS + - mt7921_lmac_mapping(dev, skb_get_queue_mapping(skb)); + mt76_connac_lmac_mapping(skb_get_queue_mapping(skb)); } val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + sz_txd) | @@ -1016,7 +1026,7 @@ void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi) if (!sta || !(sta->ht_cap.ht_supported || sta->he_cap.has_he)) return; - tid = FIELD_GET(MT_TXD1_TID, le32_to_cpu(txwi[1])); + tid = le32_get_bits(txwi[1], MT_TXD1_TID); if (tid >= 6) /* skip VO queue */ return; @@ -1092,7 +1102,6 @@ mt7921_mac_add_txs_skb(struct mt7921_dev *dev, struct mt76_wcid *wcid, int pid, break; case MT_PHY_TYPE_HT: case MT_PHY_TYPE_HT_GF: - rate.mcs += (rate.nss - 1) * 8; if (rate.mcs > 31) goto out; @@ -1156,18 +1165,13 @@ void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data) struct mt76_wcid *wcid; __le32 *txs_data = data; u16 wcidx; - u32 txs; u8 pid; - txs = le32_to_cpu(txs_data[0]); - if (FIELD_GET(MT_TXS0_TXS_FORMAT, txs) > 1) + if (le32_get_bits(txs_data[0], MT_TXS0_TXS_FORMAT) > 1) return; - txs = le32_to_cpu(txs_data[2]); - wcidx = FIELD_GET(MT_TXS2_WCID, txs); - - txs = le32_to_cpu(txs_data[3]); - pid = FIELD_GET(MT_TXS3_PID, txs); + 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; @@ -1195,6 +1199,7 @@ void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data) out: rcu_read_unlock(); } +EXPORT_SYMBOL_GPL(mt7921_mac_add_txs); void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, struct sk_buff *skb) @@ -1205,8 +1210,8 @@ void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, enum rx_pkt_type type; u16 flag; - type = FIELD_GET(MT_RXD0_PKT_TYPE, le32_to_cpu(rxd[0])); - flag = FIELD_GET(MT_RXD0_PKT_FLAG, le32_to_cpu(rxd[0])); + 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; @@ -1548,7 +1553,16 @@ void mt7921_pm_power_save_work(struct work_struct *work) delta = dev->pm.idle_timeout; if (test_bit(MT76_HW_SCANNING, &mphy->state) || - test_bit(MT76_HW_SCHED_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)) { @@ -1610,3 +1624,94 @@ void mt7921_coredump_work(struct work_struct *work) 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); + mt7921_mac_write_txwi(dev, txwi, skb, wcid, key, pid, false); + 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); |