diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7996/mac.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7996/mac.c | 300 |
1 files changed, 55 insertions, 245 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index 9b0f6053e0fa..ac8759febe48 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -13,10 +13,6 @@ #define to_rssi(field, rcpi) ((FIELD_GET(field, rcpi) - 220) / 2) -#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 const struct mt7996_dfs_radar_spec etsi_radar_specs = { .pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 }, .radar_pattern = { @@ -111,9 +107,9 @@ static void mt7996_mac_sta_poll(struct mt7996_dev *dev) LIST_HEAD(sta_poll_list); int i; - spin_lock_bh(&dev->sta_poll_lock); - list_splice_init(&dev->sta_poll_list, &sta_poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); + list_splice_init(&dev->mt76.sta_poll_list, &sta_poll_list); + spin_unlock_bh(&dev->mt76.sta_poll_lock); rcu_read_lock(); @@ -124,15 +120,15 @@ static void mt7996_mac_sta_poll(struct mt7996_dev *dev) s8 rssi[4]; u8 bw; - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); if (list_empty(&sta_poll_list)) { - spin_unlock_bh(&dev->sta_poll_lock); + spin_unlock_bh(&dev->mt76.sta_poll_lock); break; } msta = list_first_entry(&sta_poll_list, - struct mt7996_sta, poll_list); - list_del_init(&msta->poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + struct mt7996_sta, wcid.poll_list); + list_del_init(&msta->wcid.poll_list); + spin_unlock_bh(&dev->mt76.sta_poll_lock); idx = msta->wcid.idx; @@ -263,180 +259,6 @@ void mt7996_mac_set_fixed_rate_table(struct mt7996_dev *dev, mt76_wr(dev, MT_WTBL_ITCR, ctrl); } -static void -mt7996_mac_decode_he_radiotap_ru(struct mt76_rx_status *status, - struct ieee80211_radiotap_he *he, - __le32 *rxv) -{ - u32 ru, offs = 0; - - ru = le32_get_bits(rxv[0], MT_PRXV_HE_RU_ALLOC); - - 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 -mt7996_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), - .flags2 = HE_BITS(MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN), - }; - struct ieee80211_radiotap_he_mu *he_mu = NULL; - - 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[4], MT_CRXV_HE_NUM_USER)); - - he_mu->ru_ch1[0] = le32_get_bits(rxv[16], MT_CRXV_HE_RU0) & 0xff; - - 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[16], MT_CRXV_HE_RU1) & 0xff; - } - - if (status->bw >= RATE_INFO_BW_80) { - u32 ru_h, ru_l; - - he_mu->ru_ch1[1] = le32_get_bits(rxv[16], MT_CRXV_HE_RU2) & 0xff; - - ru_l = le32_get_bits(rxv[16], MT_CRXV_HE_RU3_L); - ru_h = le32_get_bits(rxv[17], MT_CRXV_HE_RU3_H) & 0x7; - he_mu->ru_ch2[1] = (u8)(ru_l | ru_h << 4); - } -} - -static void -mt7996_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u8 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[4], 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[9]) | - HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, rxv[4]); - he->data4 = HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[13]); - he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, rxv[5]) | - 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[9]) | - HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[9]); - - 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[8]) | - HE_PREP(DATA3_UL_DL, UPLINK, rxv[5]); - 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[5]); - 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[5]); - he->data4 |= HE_PREP(DATA4_MU_STA_ID, MU_AID, rxv[8]); - - mt7996_mac_decode_he_radiotap_ru(status, he, rxv); - mt7996_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[13]) | - HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, rxv[13]) | - HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, rxv[13]) | - HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, rxv[13]); - - mt7996_mac_decode_he_radiotap_ru(status, he, rxv); - break; - default: - break; - } -} - /* The HW does not translate the mac header to 802.3 for mesh point */ static int mt7996_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap) { @@ -681,10 +503,11 @@ mt7996_mac_fill_rx(struct mt7996_dev *dev, struct sk_buff *skb) struct mt7996_sta *msta; msta = container_of(status->wcid, struct mt7996_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); + spin_lock_bh(&dev->mt76.sta_poll_lock); + if (list_empty(&msta->wcid.poll_list)) + list_add_tail(&msta->wcid.poll_list, + &dev->mt76.sta_poll_list); + spin_unlock_bh(&dev->mt76.sta_poll_lock); } status->freq = mphy->chandef.chan->center_freq; @@ -836,14 +659,19 @@ mt7996_mac_fill_rx(struct mt7996_dev *dev, struct sk_buff *skb) skb_pull(skb, hdr_gap); if (!hdr_trans && status->amsdu && !(ieee80211_has_a4(fc) && is_mesh)) { pad_start = ieee80211_get_hdrlen_from_skb(skb); - } else if (hdr_trans && (rxd2 & MT_RXD2_NORMAL_HDR_TRANS_ERROR) && - get_unaligned_be16(skb->data + pad_start) == ETH_P_8021Q) { + } else if (hdr_trans && (rxd2 & MT_RXD2_NORMAL_HDR_TRANS_ERROR)) { /* When header translation failure is indicated, * the hardware will insert an extra 2-byte field * containing the data length after the protocol - * type field. + * type field. This happens either when the LLC-SNAP + * pattern did not match, or if a VLAN header was + * detected. */ - pad_start = 16; + pad_start = 12; + if (get_unaligned_be16(skb->data + pad_start) == ETH_P_8021Q) + pad_start += 4; + else + pad_start = 0; } if (pad_start) { @@ -881,7 +709,7 @@ mt7996_mac_fill_rx(struct mt7996_dev *dev, struct sk_buff *skb) } if (rxv && mode >= MT_PHY_TYPE_HE_SU && !(status->flag & RX_FLAG_8023)) - mt7996_mac_decode_he_radiotap(skb, rxv, mode); + mt76_connac3_mac_decode_he_radiotap(skb, rxv, mode); if (!status->wcid || !ieee80211_is_data_qos(fc)) return 0; @@ -1007,7 +835,7 @@ void mt7996_mac_write_txwi(struct mt7996_dev *dev, __le32 *txwi, u8 band_idx = (info->hw_queue & MT_TX_HW_QUEUE_PHY) >> 2; u8 p_fmt, q_idx, omac_idx = 0, wmm_idx = 0; bool is_8023 = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP; - struct mt7996_vif *mvif; + struct mt76_vif *mvif; u16 tx_count = 15; u32 val; bool beacon = !!(changed & (BSS_CHANGED_BEACON | @@ -1015,11 +843,11 @@ void mt7996_mac_write_txwi(struct mt7996_dev *dev, __le32 *txwi, bool inband_disc = !!(changed & (BSS_CHANGED_UNSOL_BCAST_PROBE_RESP | BSS_CHANGED_FILS_DISCOVERY)); - mvif = vif ? (struct mt7996_vif *)vif->drv_priv : NULL; + mvif = vif ? (struct mt76_vif *)vif->drv_priv : NULL; if (mvif) { - omac_idx = mvif->mt76.omac_idx; - wmm_idx = mvif->mt76.wmm_idx; - band_idx = mvif->mt76.band_idx; + omac_idx = mvif->omac_idx; + wmm_idx = mvif->wmm_idx; + band_idx = mvif->band_idx; } if (inband_disc) { @@ -1198,7 +1026,7 @@ mt7996_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi) return; msta = (struct mt7996_sta *)sta->drv_priv; - if (!test_and_set_bit(tid, &msta->ampdu_state)) + if (!test_and_set_bit(tid, &msta->wcid.ampdu_state)) ieee80211_start_tx_ba_session(sta, tid, 0); } @@ -1286,10 +1114,11 @@ mt7996_mac_tx_free(struct mt7996_dev *dev, void *data, int len) continue; msta = container_of(wcid, struct mt7996_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); + spin_lock_bh(&mdev->sta_poll_lock); + if (list_empty(&msta->wcid.poll_list)) + list_add_tail(&msta->wcid.poll_list, + &mdev->sta_poll_list); + spin_unlock_bh(&mdev->sta_poll_lock); continue; } @@ -1324,9 +1153,10 @@ mt7996_mac_tx_free(struct mt7996_dev *dev, void *data, int len) } static bool -mt7996_mac_add_txs_skb(struct mt7996_dev *dev, struct mt76_wcid *wcid, int pid, - __le32 *txs_data, struct mt76_sta_stats *stats) +mt7996_mac_add_txs_skb(struct mt7996_dev *dev, struct mt76_wcid *wcid, + int pid, __le32 *txs_data) { + struct mt76_sta_stats *stats = &wcid->stats; struct ieee80211_supported_band *sband; struct mt76_dev *mdev = &dev->mt76; struct mt76_phy *mphy; @@ -1488,15 +1318,15 @@ static void mt7996_mac_add_txs(struct mt7996_dev *dev, void *data) msta = container_of(wcid, struct mt7996_sta, wcid); - mt7996_mac_add_txs_skb(dev, wcid, pid, txs_data, &msta->stats); + mt7996_mac_add_txs_skb(dev, 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); + spin_lock_bh(&dev->mt76.sta_poll_lock); + if (list_empty(&msta->wcid.poll_list)) + list_add_tail(&msta->wcid.poll_list, &dev->mt76.sta_poll_list); + spin_unlock_bh(&dev->mt76.sta_poll_lock); out: rcu_read_unlock(); @@ -1609,20 +1439,19 @@ void mt7996_mac_reset_counters(struct mt7996_phy *phy) mt7996_mcu_get_chan_mib_info(phy, true); } -void mt7996_mac_set_timing(struct mt7996_phy *phy) +void mt7996_mac_set_coverage_class(struct mt7996_phy *phy) { s16 coverage_class = phy->coverage_class; struct mt7996_dev *dev = phy->dev; struct mt7996_phy *phy2 = mt7996_phy2(dev); struct mt7996_phy *phy3 = mt7996_phy3(dev); - u32 val, reg_offset; + u32 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); u8 band_idx = phy->mt76->band_idx; int offset; - bool a_band = !(phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ); if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state)) return; @@ -1635,34 +1464,12 @@ void mt7996_mac_set_timing(struct mt7996_phy *phy) coverage_class = max_t(s16, coverage_class, phy3->coverage_class); - mt76_set(dev, MT_ARB_SCR(band_idx), - 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(band_idx), cck + reg_offset); mt76_wr(dev, MT_TMAC_ODTR(band_idx), ofdm + reg_offset); - mt76_wr(dev, MT_TMAC_ICR0(band_idx), - FIELD_PREP(MT_IFS_EIFS_OFDM, a_band ? 84 : 78) | - FIELD_PREP(MT_IFS_RIFS, 2) | - FIELD_PREP(MT_IFS_SIFS, 10) | - FIELD_PREP(MT_IFS_SLOT, phy->slottime)); - - if (!a_band) - mt76_wr(dev, MT_TMAC_ICR1(band_idx), - FIELD_PREP(MT_IFS_EIFS_CCK, 314)); - - if (phy->slottime < 20 || a_band) - val = MT7996_CFEND_RATE_DEFAULT; - else - val = MT7996_CFEND_RATE_11B; - - mt76_rmw_field(dev, MT_RATE_HRCR0(band_idx), MT_RATE_HRCR0_CFEND_RATE, val); - mt76_clear(dev, MT_ARB_SCR(band_idx), - MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE); } void mt7996_mac_enable_nf(struct mt7996_dev *dev, u8 band) @@ -2046,6 +1853,12 @@ void mt7996_mac_reset_work(struct work_struct *work) mt7996_wait_reset_state(dev, MT_MCU_CMD_RECOVERY_DONE); } + mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_RESET_DONE); + mt7996_wait_reset_state(dev, MT_MCU_CMD_NORMAL_STATE); + + /* enable DMA Tx/Tx and interrupt */ + mt7996_dma_start(dev, false); + clear_bit(MT76_MCU_RESET, &dev->mphy.state); clear_bit(MT76_RESET, &dev->mphy.state); if (phy2) @@ -2062,9 +1875,6 @@ void mt7996_mac_reset_work(struct work_struct *work) tasklet_schedule(&dev->mt76.irq_tasklet); - mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_RESET_DONE); - mt7996_wait_reset_state(dev, MT_MCU_CMD_NORMAL_STATE); - mt76_worker_enable(&dev->mt76.tx_worker); local_bh_disable(); @@ -2191,8 +2001,8 @@ void mt7996_reset(struct mt7996_dev *dev) void mt7996_mac_update_stats(struct mt7996_phy *phy) { + struct mt76_mib_stats *mib = &phy->mib; struct mt7996_dev *dev = phy->dev; - struct mib_stats *mib = &phy->mib; u8 band_idx = phy->mt76->band_idx; u32 cnt; int i; @@ -2339,7 +2149,7 @@ void mt7996_mac_sta_rc_work(struct work_struct *work) u32 changed; LIST_HEAD(list); - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); list_splice_init(&dev->sta_rc_list, &list); while (!list_empty(&list)) { @@ -2347,7 +2157,7 @@ void mt7996_mac_sta_rc_work(struct work_struct *work) list_del_init(&msta->rc_list); changed = msta->changed; msta->changed = 0; - spin_unlock_bh(&dev->sta_poll_lock); + spin_unlock_bh(&dev->mt76.sta_poll_lock); sta = container_of((void *)msta, struct ieee80211_sta, drv_priv); vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv); @@ -2359,10 +2169,10 @@ void mt7996_mac_sta_rc_work(struct work_struct *work) /* TODO: smps change */ - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); } - spin_unlock_bh(&dev->sta_poll_lock); + spin_unlock_bh(&dev->mt76.sta_poll_lock); } void mt7996_mac_work(struct work_struct *work) |