diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/mac.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 716 |
1 files changed, 36 insertions, 680 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index a630ddbf19e5..47f0aa81ab02 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -9,10 +9,6 @@ #include "mac.h" #include "mcu.h" -#define HE_BITS(f) cpu_to_le16(IEEE80211_RADIOTAP_HE_##f) -#define HE_PREP(f, m, v) le16_encode_bits(le32_get_bits(v, MT_CRXV_HE_##m),\ - IEEE80211_RADIOTAP_HE_##f) - static struct mt76_wcid *mt7921_rx_get_wcid(struct mt7921_dev *dev, u16 idx, bool unicast) { @@ -169,183 +165,6 @@ void mt7921_mac_sta_poll(struct mt7921_dev *dev) EXPORT_SYMBOL_GPL(mt7921_mac_sta_poll); static void -mt7921_mac_decode_he_radiotap_ru(struct mt76_rx_status *status, - struct ieee80211_radiotap_he *he, - __le32 *rxv) -{ - u32 ru_h, ru_l; - u8 ru, offs = 0; - - 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; - - switch (ru) { - case 0 ... 36: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26; - offs = ru; - break; - case 37 ... 52: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52; - offs = ru - 37; - break; - case 53 ... 60: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106; - offs = ru - 53; - break; - case 61 ... 64: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242; - offs = ru - 61; - break; - case 65 ... 66: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484; - offs = ru - 65; - break; - case 67: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996; - break; - case 68: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996; - break; - } - - he->data1 |= HE_BITS(DATA1_BW_RU_ALLOC_KNOWN); - he->data2 |= HE_BITS(DATA2_RU_OFFSET_KNOWN) | - le16_encode_bits(offs, - IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET); -} - -static void -mt7921_mac_decode_he_mu_radiotap(struct sk_buff *skb, __le32 *rxv) -{ - struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; - static const struct ieee80211_radiotap_he_mu mu_known = { - .flags1 = HE_BITS(MU_FLAGS1_SIG_B_MCS_KNOWN) | - HE_BITS(MU_FLAGS1_SIG_B_DCM_KNOWN) | - HE_BITS(MU_FLAGS1_CH1_RU_KNOWN) | - HE_BITS(MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN) | - HE_BITS(MU_FLAGS1_SIG_B_COMP_KNOWN), - .flags2 = HE_BITS(MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN) | - HE_BITS(MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN), - }; - struct ieee80211_radiotap_he_mu *he_mu; - - status->flag |= RX_FLAG_RADIOTAP_HE_MU; - - he_mu = skb_push(skb, sizeof(mu_known)); - memcpy(he_mu, &mu_known, sizeof(mu_known)); - -#define MU_PREP(f, v) le16_encode_bits(v, IEEE80211_RADIOTAP_HE_MU_##f) - - he_mu->flags1 |= MU_PREP(FLAGS1_SIG_B_MCS, status->rate_idx); - if (status->he_dcm) - he_mu->flags1 |= MU_PREP(FLAGS1_SIG_B_DCM, status->he_dcm); - - he_mu->flags2 |= MU_PREP(FLAGS2_BW_FROM_SIG_A_BW, status->bw) | - MU_PREP(FLAGS2_SIG_B_SYMS_USERS, - le32_get_bits(rxv[2], MT_CRXV_HE_NUM_USER)); - - 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] = - le32_get_bits(rxv[3], MT_CRXV_HE_RU1); - } - - if (status->bw >= RATE_INFO_BW_80) { - he_mu->ru_ch1[1] = - le32_get_bits(rxv[3], MT_CRXV_HE_RU2); - he_mu->ru_ch2[1] = - le32_get_bits(rxv[3], MT_CRXV_HE_RU3); - } -} - -static void -mt7921_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u32 mode) -{ - struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; - static const struct ieee80211_radiotap_he known = { - .data1 = HE_BITS(DATA1_DATA_MCS_KNOWN) | - HE_BITS(DATA1_DATA_DCM_KNOWN) | - HE_BITS(DATA1_STBC_KNOWN) | - HE_BITS(DATA1_CODING_KNOWN) | - HE_BITS(DATA1_LDPC_XSYMSEG_KNOWN) | - HE_BITS(DATA1_DOPPLER_KNOWN) | - HE_BITS(DATA1_SPTL_REUSE_KNOWN) | - HE_BITS(DATA1_BSS_COLOR_KNOWN), - .data2 = HE_BITS(DATA2_GI_KNOWN) | - HE_BITS(DATA2_TXBF_KNOWN) | - HE_BITS(DATA2_PE_DISAMBIG_KNOWN) | - HE_BITS(DATA2_TXOP_KNOWN), - }; - struct ieee80211_radiotap_he *he = NULL; - u32 ltf_size = le32_get_bits(rxv[2], MT_CRXV_HE_LTF_SIZE) + 1; - - status->flag |= RX_FLAG_RADIOTAP_HE; - - he = skb_push(skb, sizeof(known)); - memcpy(he, &known, sizeof(known)); - - he->data3 = HE_PREP(DATA3_BSS_COLOR, BSS_COLOR, rxv[14]) | - HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, rxv[2]); - he->data4 = HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[11]); - he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, rxv[2]) | - le16_encode_bits(ltf_size, - IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE); - if (le32_to_cpu(rxv[0]) & MT_PRXV_TXBF) - he->data5 |= HE_BITS(DATA5_TXBF); - he->data6 = HE_PREP(DATA6_TXOP, TXOP_DUR, rxv[14]) | - HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[14]); - - switch (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_BW_RU_ALLOC_KNOWN); - - he->data3 |= HE_PREP(DATA3_BEAM_CHANGE, BEAM_CHNG, rxv[14]) | - HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); - 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_BW_RU_ALLOC_KNOWN); - - he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); - break; - case MT_PHY_TYPE_HE_MU: - he->data1 |= HE_BITS(DATA1_FORMAT_MU) | - HE_BITS(DATA1_UL_DL_KNOWN); - - he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); - he->data4 |= HE_PREP(DATA4_MU_STA_ID, MU_AID, rxv[7]); - - mt7921_mac_decode_he_radiotap_ru(status, he, rxv); - mt7921_mac_decode_he_mu_radiotap(skb, rxv); - break; - case MT_PHY_TYPE_HE_TB: - he->data1 |= HE_BITS(DATA1_FORMAT_TRIG) | - HE_BITS(DATA1_SPTL_REUSE2_KNOWN) | - HE_BITS(DATA1_SPTL_REUSE3_KNOWN) | - HE_BITS(DATA1_SPTL_REUSE4_KNOWN); - - he->data4 |= HE_PREP(DATA4_TB_SPTL_REUSE1, SR_MASK, rxv[11]) | - HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, rxv[11]) | - HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, rxv[11]) | - HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, rxv[11]); - - mt7921_mac_decode_he_radiotap_ru(status, he, rxv); - break; - default: - break; - } -} - -static void mt7921_get_status_freq_info(struct mt7921_dev *dev, struct mt76_phy *mphy, struct mt76_rx_status *status, u8 chfreq) { @@ -399,86 +218,6 @@ mt7921_mac_assoc_rssi(struct mt7921_dev *dev, struct sk_buff *skb) mt7921_mac_rssi_iter, skb); } -/* The HW does not translate the mac header to 802.3 for mesh point */ -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; - u16 frame_control; - - if (le32_get_bits(rxd[3], MT_RXD3_NORMAL_ADDR_TYPE) != - MT_RXD3_NORMAL_U2M) - return -EINVAL; - - if (!(le32_to_cpu(rxd[1]) & MT_RXD1_NORMAL_GROUP_4)) - return -EINVAL; - - if (!msta || !msta->vif) - return -EINVAL; - - sta = container_of((void *)msta, struct ieee80211_sta, drv_priv); - vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv); - - /* store the info from RXD and ethhdr to avoid being overridden */ - 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 (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); - break; - case IEEE80211_FCTL_TODS: - 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); - break; - default: - break; - } - - skb_pull(skb, hdr_gap + sizeof(struct ethhdr) - 2); - 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 (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, 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 - memcpy(skb_push(skb, sizeof(hdr) - 6), &hdr, sizeof(hdr) - 6); - - return 0; -} - static int mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) { @@ -496,9 +235,10 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) u32 rxd2 = le32_to_cpu(rxd[2]); u32 rxd3 = le32_to_cpu(rxd[3]); u32 rxd4 = le32_to_cpu(rxd[4]); + struct mt7921_sta *msta; u16 seq_ctrl = 0; __le16 fc = 0; - u32 mode = 0; + u8 mode = 0; int i, idx; memset(status, 0, sizeof(*status)); @@ -526,8 +266,6 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) status->wcid = mt7921_rx_get_wcid(dev, idx, unicast); if (status->wcid) { - struct mt7921_sta *msta; - msta = container_of(status->wcid, struct mt7921_sta, wcid); spin_lock_bh(&dev->sta_poll_lock); if (list_empty(&msta->poll_list)) @@ -642,9 +380,8 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) /* RXD Group 3 - P-RXV */ if (rxd1 & MT_RXD1_NORMAL_GROUP_3) { - u8 stbc, gi; u32 v0, v1; - bool cck; + int ret; rxv = rxd; rxd += 2; @@ -672,79 +409,10 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) status->chain_signal[i]); } - stbc = FIELD_GET(MT_PRXV_STBC, v0); - gi = FIELD_GET(MT_PRXV_SGI, v0); - cck = false; - - idx = i = FIELD_GET(MT_PRXV_TX_RATE, v0); - mode = FIELD_GET(MT_PRXV_TX_MODE, v0); - - switch (mode) { - case MT_PHY_TYPE_CCK: - cck = true; - fallthrough; - case MT_PHY_TYPE_OFDM: - i = mt76_get_rate(&dev->mt76, sband, i, cck); - break; - case MT_PHY_TYPE_HT_GF: - case MT_PHY_TYPE_HT: - status->encoding = RX_ENC_HT; - if (i > 31) - return -EINVAL; - break; - case MT_PHY_TYPE_VHT: - status->nss = - FIELD_GET(MT_PRXV_NSTS, v0) + 1; - status->encoding = RX_ENC_VHT; - if (i > 11) - return -EINVAL; - break; - case MT_PHY_TYPE_HE_MU: - case MT_PHY_TYPE_HE_SU: - case MT_PHY_TYPE_HE_EXT_SU: - case MT_PHY_TYPE_HE_TB: - status->nss = - FIELD_GET(MT_PRXV_NSTS, v0) + 1; - status->encoding = RX_ENC_HE; - i &= GENMASK(3, 0); - - if (gi <= NL80211_RATE_INFO_HE_GI_3_2) - status->he_gi = gi; - - status->he_dcm = !!(idx & MT_PRXV_TX_DCM); - break; - default: - return -EINVAL; - } - - status->rate_idx = i; - - switch (FIELD_GET(MT_PRXV_FRAME_MODE, v0)) { - case IEEE80211_STA_RX_BW_20: - break; - case IEEE80211_STA_RX_BW_40: - if (mode & MT_PHY_TYPE_HE_EXT_SU && - (idx & MT_PRXV_TX_ER_SU_106T)) { - status->bw = RATE_INFO_BW_HE_RU; - status->he_ru = - NL80211_RATE_INFO_HE_RU_ALLOC_106; - } else { - status->bw = RATE_INFO_BW_40; - } - break; - case IEEE80211_STA_RX_BW_80: - status->bw = RATE_INFO_BW_80; - break; - case IEEE80211_STA_RX_BW_160: - status->bw = RATE_INFO_BW_160; - break; - default: - return -EINVAL; - } - - status->enc_flags |= RX_ENC_FLAG_STBC_MASK * stbc; - if (mode < MT_PHY_TYPE_HE_SU && gi) - status->enc_flags |= RX_ENC_FLAG_SHORT_GI; + ret = mt76_connac2_mac_fill_rx_rate(&dev->mt76, status, sband, + rxv, &mode); + if (ret < 0) + return ret; if (rxd1 & MT_RXD1_NORMAL_GROUP_5) { rxd += 18; @@ -762,8 +430,18 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) hdr_gap = (u8 *)rxd - skb->data + 2 * remove_pad; if (hdr_trans && ieee80211_has_morefrags(fc)) { - if (mt7921_reverse_frag0_hdr_trans(skb, hdr_gap)) + struct ieee80211_vif *vif; + int err; + + if (!msta || !msta->vif) return -EINVAL; + + vif = container_of((void *)msta->vif, struct ieee80211_vif, + drv_priv); + err = mt76_connac2_reverse_frag0_hdr_trans(vif, skb, hdr_gap); + if (err) + return err; + hdr_trans = false; } else { skb_pull(skb, hdr_gap); @@ -796,7 +474,7 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) mt7921_mac_assoc_rssi(dev, skb); if (rxv && mode >= MT_PHY_TYPE_HE_SU && !(status->flag & RX_FLAG_8023)) - mt7921_mac_decode_he_radiotap(skb, rxv, mode); + mt76_connac2_mac_decode_he_radiotap(&dev->mt76, skb, rxv, mode); if (!status->wcid || !ieee80211_is_data_qos(fc)) return 0; @@ -808,217 +486,6 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) return 0; } -static void -mt7921_mac_write_txwi_8023(struct mt7921_dev *dev, __le32 *txwi, - struct sk_buff *skb, struct mt76_wcid *wcid) -{ - u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; - u8 fc_type, fc_stype; - u16 ethertype; - bool wmm = false; - u32 val; - - if (wcid->sta) { - struct ieee80211_sta *sta; - - sta = container_of((void *)wcid, struct ieee80211_sta, drv_priv); - wmm = sta->wme; - } - - val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_3) | - FIELD_PREP(MT_TXD1_TID, tid); - - ethertype = get_unaligned_be16(&skb->data[12]); - if (ethertype >= ETH_P_802_3_MIN) - val |= MT_TXD1_ETH_802_3; - - txwi[1] |= cpu_to_le32(val); - - fc_type = IEEE80211_FTYPE_DATA >> 2; - fc_stype = wmm ? IEEE80211_STYPE_QOS_DATA >> 4 : 0; - - val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) | - FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype); - - txwi[2] |= cpu_to_le32(val); - - val = FIELD_PREP(MT_TXD7_TYPE, fc_type) | - FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype); - txwi[7] |= cpu_to_le32(val); -} - -static void -mt7921_mac_write_txwi_80211(struct mt7921_dev *dev, __le32 *txwi, - struct sk_buff *skb, struct ieee80211_key_conf *key) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - bool multicast = is_multicast_ether_addr(hdr->addr1); - u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; - __le16 fc = hdr->frame_control; - u8 fc_type, fc_stype; - u32 val; - - if (ieee80211_is_action(fc) && - mgmt->u.action.category == WLAN_CATEGORY_BACK && - mgmt->u.action.u.addba_req.action_code == WLAN_ACTION_ADDBA_REQ) { - u16 capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab); - - txwi[5] |= cpu_to_le32(MT_TXD5_ADD_BA); - tid = (capab >> 2) & IEEE80211_QOS_CTL_TID_MASK; - } else if (ieee80211_is_back_req(hdr->frame_control)) { - struct ieee80211_bar *bar = (struct ieee80211_bar *)hdr; - u16 control = le16_to_cpu(bar->control); - - tid = FIELD_GET(IEEE80211_BAR_CTRL_TID_INFO_MASK, control); - } - - val = FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_11) | - FIELD_PREP(MT_TXD1_HDR_INFO, - ieee80211_get_hdrlen_from_skb(skb) / 2) | - FIELD_PREP(MT_TXD1_TID, tid); - txwi[1] |= cpu_to_le32(val); - - fc_type = (le16_to_cpu(fc) & IEEE80211_FCTL_FTYPE) >> 2; - fc_stype = (le16_to_cpu(fc) & IEEE80211_FCTL_STYPE) >> 4; - - val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) | - FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype) | - FIELD_PREP(MT_TXD2_MULTICAST, multicast); - - if (key && multicast && ieee80211_is_robust_mgmt_frame(skb) && - key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) { - val |= MT_TXD2_BIP; - txwi[3] &= ~cpu_to_le32(MT_TXD3_PROTECT_FRAME); - } - - if (!ieee80211_is_data(fc) || multicast || - info->flags & IEEE80211_TX_CTL_USE_MINRATE) - val |= MT_TXD2_FIX_RATE; - - txwi[2] |= cpu_to_le32(val); - - if (ieee80211_is_beacon(fc)) { - txwi[3] &= ~cpu_to_le32(MT_TXD3_SW_POWER_MGMT); - txwi[3] |= cpu_to_le32(MT_TXD3_REM_TX_COUNT); - } - - if (info->flags & IEEE80211_TX_CTL_INJECTED) { - u16 seqno = le16_to_cpu(hdr->seq_ctrl); - - if (ieee80211_is_back_req(hdr->frame_control)) { - struct ieee80211_bar *bar; - - bar = (struct ieee80211_bar *)skb->data; - seqno = le16_to_cpu(bar->start_seq_num); - } - - 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); - } - - 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, - struct sk_buff *skb, struct mt76_wcid *wcid, - struct ieee80211_key_conf *key, int pid, - bool beacon) -{ - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_vif *vif = info->control.vif; - struct mt76_phy *mphy = &dev->mphy; - u8 p_fmt, q_idx, omac_idx = 0, wmm_idx = 0; - bool is_mmio = mt76_is_mmio(&dev->mt76); - u32 sz_txd = is_mmio ? MT_TXD_SIZE : MT_SDIO_TXD_SIZE; - bool is_8023 = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP; - u16 tx_count = 15; - u32 val; - - if (vif) { - struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; - - omac_idx = mvif->omac_idx; - wmm_idx = mvif->wmm_idx; - } - - if (beacon) { - p_fmt = MT_TX_TYPE_FW; - q_idx = MT_LMAC_BCN0; - } else if (skb_get_queue_mapping(skb) >= MT_TXQ_PSD) { - p_fmt = is_mmio ? MT_TX_TYPE_CT : MT_TX_TYPE_SF; - q_idx = MT_LMAC_ALTX0; - } else { - p_fmt = is_mmio ? MT_TX_TYPE_CT : MT_TX_TYPE_SF; - q_idx = wmm_idx * MT7921_MAX_WMM_SETS + - mt76_connac_lmac_mapping(skb_get_queue_mapping(skb)); - } - - val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + sz_txd) | - FIELD_PREP(MT_TXD0_PKT_FMT, p_fmt) | - FIELD_PREP(MT_TXD0_Q_IDX, q_idx); - txwi[0] = cpu_to_le32(val); - - val = MT_TXD1_LONG_FORMAT | - FIELD_PREP(MT_TXD1_WLAN_IDX, wcid->idx) | - FIELD_PREP(MT_TXD1_OWN_MAC, omac_idx); - - txwi[1] = cpu_to_le32(val); - txwi[2] = 0; - - val = FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count); - if (key) - val |= MT_TXD3_PROTECT_FRAME; - if (info->flags & IEEE80211_TX_CTL_NO_ACK) - val |= MT_TXD3_NO_ACK; - - txwi[3] = cpu_to_le32(val); - txwi[4] = 0; - - val = FIELD_PREP(MT_TXD5_PID, pid); - if (pid >= MT_PACKET_ID_FIRST) - val |= MT_TXD5_TX_STATUS_HOST; - txwi[5] = cpu_to_le32(val); - - txwi[6] = 0; - txwi[7] = wcid->amsdu ? cpu_to_le32(MT_TXD7_HW_AMSDU) : 0; - - if (is_8023) - mt7921_mac_write_txwi_8023(dev, txwi, skb, wcid); - else - mt7921_mac_write_txwi_80211(dev, txwi, skb, key); - - if (txwi[2] & cpu_to_le32(MT_TXD2_FIX_RATE)) { - int rateidx = vif ? ffs(vif->bss_conf.basic_rates) - 1 : 0; - u16 rate, mode; - - /* hardware won't add HTC for mgmt/ctrl frame */ - txwi[2] |= cpu_to_le32(MT_TXD2_HTC_VLD); - - rate = mt76_calculate_default_rate(mphy, rateidx); - mode = rate >> 8; - rate &= GENMASK(7, 0); - rate |= FIELD_PREP(MT_TX_RATE_MODE, mode); - - val = MT_TXD6_FIXED_BW | - FIELD_PREP(MT_TXD6_TX_RATE, rate); - txwi[6] |= cpu_to_le32(val); - txwi[3] |= cpu_to_le32(MT_TXD3_BA_DISABLE); - } -} -EXPORT_SYMBOL_GPL(mt7921_mac_write_txwi); - void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi) { struct mt7921_sta *msta; @@ -1044,123 +511,6 @@ void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi) } EXPORT_SYMBOL_GPL(mt7921_tx_check_aggr); -static bool -mt7921_mac_add_txs_skb(struct mt7921_dev *dev, struct mt76_wcid *wcid, int pid, - __le32 *txs_data) -{ - struct mt7921_sta *msta = container_of(wcid, struct mt7921_sta, wcid); - struct mt76_sta_stats *stats = &msta->stats; - struct ieee80211_supported_band *sband; - struct mt76_dev *mdev = &dev->mt76; - struct ieee80211_tx_info *info; - struct rate_info rate = {}; - struct sk_buff_head list; - u32 txrate, txs, mode; - struct sk_buff *skb; - bool cck = false; - - mt76_tx_status_lock(mdev, &list); - skb = mt76_tx_status_skb_get(mdev, wcid, pid, &list); - if (!skb) - goto out; - - info = IEEE80211_SKB_CB(skb); - txs = le32_to_cpu(txs_data[0]); - if (!(txs & MT_TXS0_ACK_ERROR_MASK)) - info->flags |= IEEE80211_TX_STAT_ACK; - - info->status.ampdu_len = 1; - info->status.ampdu_ack_len = !!(info->flags & - IEEE80211_TX_STAT_ACK); - - info->status.rates[0].idx = -1; - - if (!wcid->sta) - goto out; - - txrate = FIELD_GET(MT_TXS0_TX_RATE, txs); - - rate.mcs = FIELD_GET(MT_TX_RATE_IDX, txrate); - rate.nss = FIELD_GET(MT_TX_RATE_NSS, txrate) + 1; - - if (rate.nss - 1 < ARRAY_SIZE(stats->tx_nss)) - stats->tx_nss[rate.nss - 1]++; - if (rate.mcs < ARRAY_SIZE(stats->tx_mcs)) - stats->tx_mcs[rate.mcs]++; - - mode = FIELD_GET(MT_TX_RATE_MODE, txrate); - switch (mode) { - case MT_PHY_TYPE_CCK: - cck = true; - fallthrough; - case MT_PHY_TYPE_OFDM: - if (dev->mphy.chandef.chan->band == NL80211_BAND_5GHZ) - sband = &dev->mphy.sband_5g.sband; - else - sband = &dev->mphy.sband_2g.sband; - - rate.mcs = mt76_get_rate(dev->mphy.dev, sband, rate.mcs, cck); - rate.legacy = sband->bitrates[rate.mcs].bitrate; - break; - case MT_PHY_TYPE_HT: - case MT_PHY_TYPE_HT_GF: - if (rate.mcs > 31) - goto out; - - rate.flags = RATE_INFO_FLAGS_MCS; - if (wcid->rate.flags & RATE_INFO_FLAGS_SHORT_GI) - rate.flags |= RATE_INFO_FLAGS_SHORT_GI; - break; - case MT_PHY_TYPE_VHT: - if (rate.mcs > 9) - goto out; - - rate.flags = RATE_INFO_FLAGS_VHT_MCS; - break; - case MT_PHY_TYPE_HE_SU: - case MT_PHY_TYPE_HE_EXT_SU: - case MT_PHY_TYPE_HE_TB: - case MT_PHY_TYPE_HE_MU: - if (rate.mcs > 11) - goto out; - - rate.he_gi = wcid->rate.he_gi; - rate.he_dcm = FIELD_GET(MT_TX_RATE_DCM, txrate); - rate.flags = RATE_INFO_FLAGS_HE_MCS; - break; - default: - goto out; - } - stats->tx_mode[mode]++; - - switch (FIELD_GET(MT_TXS0_BW, txs)) { - case IEEE80211_STA_RX_BW_160: - rate.bw = RATE_INFO_BW_160; - stats->tx_bw[3]++; - break; - case IEEE80211_STA_RX_BW_80: - rate.bw = RATE_INFO_BW_80; - stats->tx_bw[2]++; - break; - case IEEE80211_STA_RX_BW_40: - rate.bw = RATE_INFO_BW_40; - stats->tx_bw[1]++; - break; - default: - rate.bw = RATE_INFO_BW_20; - stats->tx_bw[0]++; - break; - } - wcid->rate = rate; - -out: - if (skb) - mt76_tx_status_skb_done(mdev, skb, &list); - mt76_tx_status_unlock(mdev, &list); - - return !!skb; -} - void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data) { struct mt7921_sta *msta = NULL; @@ -1187,12 +537,13 @@ void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data) if (!wcid) goto out; - mt7921_mac_add_txs_skb(dev, wcid, pid, txs_data); + msta = container_of(wcid, struct mt7921_sta, wcid); + mt76_connac2_mac_add_txs_skb(&dev->mt76, wcid, pid, txs_data, + &msta->stats); if (!wcid->sta) goto out; - 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); @@ -1387,9 +738,9 @@ void mt7921_mac_reset_work(struct work_struct *work) reset_work); struct ieee80211_hw *hw = mt76_hw(dev); struct mt76_connac_pm *pm = &dev->pm; - int i; + int i, ret; - dev_err(dev->mt76.dev, "chip reset\n"); + dev_dbg(dev->mt76.dev, "chip reset\n"); dev->hw_full_reset = true; ieee80211_stop_queues(hw); @@ -1397,11 +748,14 @@ void mt7921_mac_reset_work(struct work_struct *work) cancel_delayed_work_sync(&pm->ps_work); cancel_work_sync(&pm->wake_work); - mutex_lock(&dev->mt76.mutex); - for (i = 0; i < 10; i++) - if (!mt7921_dev_reset(dev)) + for (i = 0; i < 10; i++) { + mutex_lock(&dev->mt76.mutex); + ret = mt7921_dev_reset(dev); + mutex_unlock(&dev->mt76.mutex); + + if (!ret) break; - mutex_unlock(&dev->mt76.mutex); + } if (i == 10) dev_err(dev->mt76.dev, "chip reset failed\n"); @@ -1538,10 +892,12 @@ void mt7921_pm_wake_work(struct work_struct *work) 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); - mt7921_mcu_tx_cleanup(dev); + mt76_connac_tx_cleanup(mdev); } if (test_bit(MT76_STATE_RUNNING, &mphy->state)) ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work, @@ -1617,7 +973,7 @@ void mt7921_coredump_work(struct work_struct *work) if (!skb) break; - skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); + skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); if (!dump || data + skb->len - dump > MT76_CONNAC_COREDUMP_SZ) { dev_kfree_skb(skb); continue; @@ -1646,7 +1002,7 @@ mt7921_usb_sdio_write_txwi(struct mt7921_dev *dev, struct mt76_wcid *wcid, __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); + mt76_connac2_mac_write_txwi(&dev->mt76, txwi, skb, wcid, key, pid, qid, 0); skb_push(skb, MT_SDIO_TXD_SIZE); } |