diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/mac.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 965 |
1 files changed, 343 insertions, 622 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index db3302b1576a..650ab97ae052 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) { @@ -116,7 +112,7 @@ 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]; @@ -169,179 +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 = 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 = (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, - struct mt76_rx_status *status, - __le32 *rxv) -{ - 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; - - 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] = FIELD_GET(MT_CRXV_HE_RU0, le32_to_cpu(rxv[3])); - - 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])); - } - - if (status->bw >= RATE_INFO_BW_80) { - he_mu->ru_ch1[1] = - FIELD_GET(MT_CRXV_HE_RU2, le32_to_cpu(rxv[3])); - he_mu->ru_ch2[1] = - FIELD_GET(MT_CRXV_HE_RU3, le32_to_cpu(rxv[3])); - } -} - -static void -mt7921_mac_decode_he_radiotap(struct sk_buff *skb, - struct mt76_rx_status *status, - __le32 *rxv, u32 phy) -{ - 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; - - 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 (phy) { - 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->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->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); - 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) { @@ -402,19 +225,21 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; bool hdr_trans, unicast, insert_ccmp_hdr = false; u8 chfreq, qos_ctl = 0, remove_pad, amsdu_info; + u16 hdr_gap; __le32 *rxv = NULL, *rxd = (__le32 *)skb->data; struct mt76_phy *mphy = &dev->mt76.phy; struct mt7921_phy *phy = &dev->phy; struct ieee80211_supported_band *sband; - struct ieee80211_hdr *hdr; + u32 csum_status = *(u32 *)skb->cb; u32 rxd0 = le32_to_cpu(rxd[0]); u32 rxd1 = le32_to_cpu(rxd[1]); 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 = NULL; u16 seq_ctrl = 0; __le16 fc = 0; - u32 mode = 0; + u8 mode = 0; int i, idx; memset(status, 0, sizeof(*status)); @@ -428,15 +253,20 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) if (rxd2 & MT_RXD2_NORMAL_AMSDU_ERR) return -EINVAL; + hdr_trans = rxd2 & MT_RXD2_NORMAL_HDR_TRANS; + if (hdr_trans && (rxd1 & MT_RXD1_NORMAL_CM)) + return -EINVAL; + + /* ICV error or CCMP/BIP/WPI MIC error */ + if (rxd1 & MT_RXD1_NORMAL_ICV_ERR) + status->flag |= RX_FLAG_ONLY_MONITOR; + chfreq = FIELD_GET(MT_RXD3_NORMAL_CH_FREQ, rxd3); unicast = FIELD_GET(MT_RXD3_NORMAL_ADDR_TYPE, rxd3) == MT_RXD3_NORMAL_U2M; idx = FIELD_GET(MT_RXD1_NORMAL_WLAN_IDX, rxd1); - hdr_trans = rxd2 & MT_RXD2_NORMAL_HDR_TRANS; 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)) @@ -461,7 +291,8 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) if (!sband->channels) return -EINVAL; - if ((rxd0 & csum_mask) == csum_mask) + if (mt76_is_mmio(&dev->mt76) && (rxd0 & csum_mask) == csum_mask && + !(csum_status & (BIT(0) | BIT(2) | BIT(3)))) skb->ip_summed = CHECKSUM_UNNECESSARY; if (rxd1 & MT_RXD1_NORMAL_FCS_ERR) @@ -551,9 +382,8 @@ 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; @@ -581,85 +411,10 @@ 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; - - 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 > 9) - return -EINVAL; - break; - case MT_PHY_TYPE_HE_MU: - status->flag |= RX_FLAG_RADIOTAP_HE_MU; - fallthrough; - 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; - status->flag |= RX_FLAG_RADIOTAP_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; @@ -668,14 +423,31 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) } } - skb_pull(skb, (u8 *)rxd - skb->data + 2 * remove_pad); - amsdu_info = FIELD_GET(MT_RXD4_NORMAL_PAYLOAD_FORMAT, rxd4); status->amsdu = !!amsdu_info; if (status->amsdu) { status->first_amsdu = amsdu_info == MT_RXD4_FIRST_AMSDU_FRAME; status->last_amsdu = amsdu_info == MT_RXD4_LAST_AMSDU_FRAME; - if (!hdr_trans) { + } + + hdr_gap = (u8 *)rxd - skb->data + 2 * remove_pad; + if (hdr_trans && ieee80211_has_morefrags(fc)) { + 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); + if (!hdr_trans && status->amsdu) { memmove(skb->data + 2, skb->data, ieee80211_get_hdrlen_from_skb(skb)); skb_pull(skb, 2); @@ -683,6 +455,8 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) } if (!hdr_trans) { + struct ieee80211_hdr *hdr; + if (insert_ccmp_hdr) { u8 key_id = FIELD_GET(MT_RXD1_NORMAL_KEY_ID, rxd1); @@ -696,19 +470,13 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) qos_ctl = *ieee80211_get_qos_ctl(hdr); } } else { - status->flag &= ~(RX_FLAG_RADIOTAP_HE | - RX_FLAG_RADIOTAP_HE_MU); status->flag |= RX_FLAG_8023; } mt7921_mac_assoc_rssi(dev, skb); - if (rxv && status->flag & RX_FLAG_RADIOTAP_HE) { - mt7921_mac_decode_he_radiotap(skb, status, rxv, mode); - - if (status->flag & RX_FLAG_RADIOTAP_HE_MU) - mt7921_mac_decode_he_mu_radiotap(skb, status, rxv); - } + 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; @@ -720,218 +488,16 @@ 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; - 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); - - if (be16_to_cpu(skb->protocol) >= 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); - } - - val = FIELD_PREP(MT_TXD7_TYPE, fc_type) | - FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype); - txwi[7] |= 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 + - mt7921_lmac_mapping(dev, 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 = ffs(vif->bss_conf.basic_rates) - 1; - 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) +static void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi) { struct mt7921_sta *msta; u16 fc, tid; u32 val; - if (!sta || !(sta->ht_cap.ht_supported || sta->he_cap.has_he)) + if (!sta || !(sta->deflink.ht_cap.ht_supported || sta->deflink.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; @@ -945,144 +511,20 @@ void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi) if (!test_and_set_bit(tid, &msta->ampdu_state)) ieee80211_start_tx_ba_session(sta, tid, 0); } -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: - rate.mcs += (rate.nss - 1) * 8; - 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; -} - -static void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data) +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; - 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; @@ -1096,12 +538,12 @@ static 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); 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); @@ -1111,6 +553,134 @@ 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) { @@ -1120,13 +690,18 @@ 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; 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; @@ -1271,12 +846,21 @@ mt7921_vif_connect_iter(void *priv, u8 *mac, { 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); + 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 */ @@ -1286,9 +870,9 @@ 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); @@ -1296,11 +880,14 @@ 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"); @@ -1314,6 +901,7 @@ void mt7921_mac_reset_work(struct work_struct *work) } dev->hw_full_reset = false; + pm->suspended = false; ieee80211_wake_queues(hw); ieee80211_iterate_active_interfaces(hw, IEEE80211_IFACE_ITER_RESUME_ALL, @@ -1324,6 +912,7 @@ void mt7921_mac_reset_work(struct work_struct *work) 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; @@ -1331,8 +920,12 @@ void mt7921_reset(struct mt76_dev *mdev) 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) { @@ -1436,10 +1029,12 @@ 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, @@ -1462,7 +1057,16 @@ 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)) { @@ -1506,7 +1110,7 @@ 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; @@ -1524,3 +1128,120 @@ 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); + 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 |