6.4-stable review patch. If anyone has any objections, please let me know.
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From: Peter Chiu chui-hao.chiu@mediatek.com
[ Upstream commit 161a7528e4074d104305fc109c16134b4990070e ]
PPDU TxS can only report MPDU count whereas mac80211 requires MSDU scale (NL80211_STA_INFO_TX_PACKETS), so switch to get MSDU counts from WA statistic.
Note that mt7915 WA firmware only counts tx_packet for WED path, so driver needs to take care of host path additionally.
Fixes: 43eaa3689507 ("wifi: mt76: add PPDU based TxS support for WED device") Co-developed-by: Ryder Lee ryder.lee@mediatek.com Signed-off-by: Ryder Lee ryder.lee@mediatek.com Signed-off-by: Peter Chiu chui-hao.chiu@mediatek.com Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt76.h | 2 +- .../wireless/mediatek/mt76/mt76_connac_mac.c | 9 ++- .../wireless/mediatek/mt76/mt76_connac_mcu.h | 1 + .../net/wireless/mediatek/mt76/mt7915/main.c | 6 +- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 74 +++++++++++++++++-- .../wireless/mediatek/mt76/mt7915/mt7915.h | 1 + 6 files changed, 79 insertions(+), 14 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 6b07b8fafec2f..0e9f4197213a3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -277,7 +277,7 @@ struct mt76_sta_stats { u64 tx_mcs[16]; /* mcs idx */ u64 tx_bytes; /* WED TX */ - u32 tx_packets; + u32 tx_packets; /* unit: MSDU */ u32 tx_retries; u32 tx_failed; /* WED RX */ diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c index be4d63db5f64a..49b2b1f3ffa87 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c @@ -524,7 +524,9 @@ void mt76_connac2_mac_write_txwi(struct mt76_dev *dev, __le32 *txwi,
/* counting non-offloading skbs */ wcid->stats.tx_bytes += skb->len; - wcid->stats.tx_packets++; + /* mt7915 WA only counts WED path */ + if (is_mt7915(dev) && mtk_wed_device_active(&dev->mmio.wed)) + wcid->stats.tx_packets++; }
val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + sz_txd) | @@ -609,12 +611,11 @@ bool mt76_connac2_mac_fill_txs(struct mt76_dev *dev, struct mt76_wcid *wcid, txs = le32_to_cpu(txs_data[0]);
/* PPDU based reporting */ - if (FIELD_GET(MT_TXS0_TXS_FORMAT, txs) > 1) { + if (mtk_wed_device_active(&dev->mmio.wed) && + FIELD_GET(MT_TXS0_TXS_FORMAT, txs) > 1) { stats->tx_bytes += le32_get_bits(txs_data[5], MT_TXS5_MPDU_TX_BYTE) - le32_get_bits(txs_data[7], MT_TXS7_MPDU_RETRY_BYTE); - stats->tx_packets += - le32_get_bits(txs_data[5], MT_TXS5_MPDU_TX_CNT); stats->tx_failed += le32_get_bits(txs_data[6], MT_TXS6_MPDU_FAIL_CNT); stats->tx_retries += diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h index ca1ce97a6d2fd..7a52b68491b6e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h @@ -998,6 +998,7 @@ enum { MCU_EXT_EVENT_ASSERT_DUMP = 0x23, MCU_EXT_EVENT_RDD_REPORT = 0x3a, MCU_EXT_EVENT_CSA_NOTIFY = 0x4f, + MCU_EXT_EVENT_WA_TX_STAT = 0x74, MCU_EXT_EVENT_BCC_NOTIFY = 0x75, MCU_EXT_EVENT_MURU_CTRL = 0x9f, }; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index 1b361199c0616..2da57357c4174 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -1042,8 +1042,10 @@ static void mt7915_sta_statistics(struct ieee80211_hw *hw, sinfo->tx_bytes = msta->wcid.stats.tx_bytes; sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64);
- sinfo->tx_packets = msta->wcid.stats.tx_packets; - sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); + if (!mt7915_mcu_wed_wa_tx_stats(phy->dev, msta->wcid.idx)) { + sinfo->tx_packets = msta->wcid.stats.tx_packets; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); + }
sinfo->tx_failed = msta->wcid.stats.tx_failed; sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 088a065e37d5d..8da9c87e98042 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -164,7 +164,9 @@ mt7915_mcu_parse_response(struct mt76_dev *mdev, int cmd, }
rxd = (struct mt76_connac2_mcu_rxd *)skb->data; - if (seq != rxd->seq) + if (seq != rxd->seq && + !(rxd->eid == MCU_CMD_EXT_CID && + rxd->ext_eid == MCU_EXT_EVENT_WA_TX_STAT)) return -EAGAIN;
if (cmd == MCU_CMD(PATCH_SEM_CONTROL)) { @@ -395,12 +397,14 @@ void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb) struct mt76_connac2_mcu_rxd *rxd;
rxd = (struct mt76_connac2_mcu_rxd *)skb->data; - if (rxd->ext_eid == MCU_EXT_EVENT_THERMAL_PROTECT || - rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST || - rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP || - rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC || - rxd->ext_eid == MCU_EXT_EVENT_BCC_NOTIFY || - !rxd->seq) + if ((rxd->ext_eid == MCU_EXT_EVENT_THERMAL_PROTECT || + rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST || + rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP || + rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC || + rxd->ext_eid == MCU_EXT_EVENT_BCC_NOTIFY || + !rxd->seq) && + !(rxd->eid == MCU_CMD_EXT_CID && + rxd->ext_eid == MCU_EXT_EVENT_WA_TX_STAT)) mt7915_mcu_rx_unsolicited_event(dev, skb); else mt76_mcu_rx_event(&dev->mt76, skb); @@ -3733,6 +3737,62 @@ int mt7915_mcu_twt_agrt_update(struct mt7915_dev *dev, &req, sizeof(req), true); }
+int mt7915_mcu_wed_wa_tx_stats(struct mt7915_dev *dev, u16 wlan_idx) +{ + struct { + __le32 cmd; + __le32 num; + __le32 __rsv; + __le16 wlan_idx; + } req = { + .cmd = cpu_to_le32(0x15), + .num = cpu_to_le32(1), + .wlan_idx = cpu_to_le16(wlan_idx), + }; + struct mt7915_mcu_wa_tx_stat { + __le16 wlan_idx; + u8 __rsv[2]; + + /* tx_bytes is deprecated since WA byte counter uses u32, + * which easily leads to overflow. + */ + __le32 tx_bytes; + __le32 tx_packets; + } *res; + struct mt76_wcid *wcid; + struct sk_buff *skb; + int ret; + + ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_WA_PARAM_CMD(QUERY), + &req, sizeof(req), true, &skb); + if (ret) + return ret; + + if (!is_mt7915(&dev->mt76)) + skb_pull(skb, 4); + + res = (struct mt7915_mcu_wa_tx_stat *)skb->data; + + if (le16_to_cpu(res->wlan_idx) != wlan_idx) { + ret = -EINVAL; + goto out; + } + + rcu_read_lock(); + + wcid = rcu_dereference(dev->mt76.wcid[wlan_idx]); + if (wcid) + wcid->stats.tx_packets += le32_to_cpu(res->tx_packets); + else + ret = -EINVAL; + + rcu_read_unlock(); +out: + dev_kfree_skb(skb); + + return ret; +} + int mt7915_mcu_rf_regval(struct mt7915_dev *dev, u32 regidx, u32 *val, bool set) { struct { diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index b3ead35307406..3053f4abf7dbe 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -539,6 +539,7 @@ int mt7915_mcu_get_rx_rate(struct mt7915_phy *phy, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct rate_info *rate); int mt7915_mcu_rdd_background_enable(struct mt7915_phy *phy, struct cfg80211_chan_def *chandef); +int mt7915_mcu_wed_wa_tx_stats(struct mt7915_dev *dev, u16 wcid); int mt7915_mcu_rf_regval(struct mt7915_dev *dev, u32 regidx, u32 *val, bool set); int mt7915_mcu_wa_cmd(struct mt7915_dev *dev, int cmd, u32 a1, u32 a2, u32 a3); int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 type, u8 ctrl);