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wifi: mt76: add PPDU based TxS support for WED device

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Given that there's no data coming from network stack for binding flows,
hence driver counts and reports station's statistics directly through
NL80211_STA_INFO_* based on active PPDU based TxS for offloading data.

Apart from that, WA firmware and its offloading engine (SDO) have hardcoded
"2" as PID, so we introduce MT_PACKET_ID_WED to differentiate WED reporting.

Note that PPDU format TxS is mutually exclusive with MT_TXD5_TX_STATUS_HOST.

Co-developed-by: Yi-Chia Hsieh <[email protected]>
Signed-off-by: Yi-Chia Hsieh <[email protected]>
Signed-off-by: Ryder Lee <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Ryder Lee
2022-09-15 13:14:11 +02:00
committed by Felix Fietkau
parent 2d72c9a740
commit 873365b06c
9 changed files with 117 additions and 32 deletions
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mt76_connac_mac.c
+48 -26
View File
@@ -490,6 +490,10 @@ void mt76_connac2_mac_write_txwi(struct mt76_dev *dev, __le32 *txwi,
p_fmt = mt76_is_mmio(dev) ? MT_TX_TYPE_CT : MT_TX_TYPE_SF;
q_idx = wmm_idx * MT76_CONNAC_MAX_WMM_SETS +
mt76_connac_lmac_mapping(skb_get_queue_mapping(skb));
/* counting non-offloading skbs */
wcid->stats.tx_bytes += skb->len;
wcid->stats.tx_packets++;
}
val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + sz_txd) |
@@ -550,35 +554,29 @@ void mt76_connac2_mac_write_txwi(struct mt76_dev *dev, __le32 *txwi,
}
EXPORT_SYMBOL_GPL(mt76_connac2_mac_write_txwi);
bool mt76_connac2_mac_add_txs_skb(struct mt76_dev *dev, struct mt76_wcid *wcid,
int pid, __le32 *txs_data)
bool mt76_connac2_mac_fill_txs(struct mt76_dev *dev, struct mt76_wcid *wcid,
__le32 *txs_data)
{
struct mt76_sta_stats *stats = &wcid->stats;
struct ieee80211_supported_band *sband;
struct mt76_phy *mphy;
struct ieee80211_tx_info *info;
struct sk_buff_head list;
struct rate_info rate = {};
struct sk_buff *skb;
bool cck = false;
u32 txrate, txs, mode;
mt76_tx_status_lock(dev, &list);
skb = mt76_tx_status_skb_get(dev, wcid, pid, &list);
if (!skb)
goto out;
txs = le32_to_cpu(txs_data[0]);
info = IEEE80211_SKB_CB(skb);
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;
/* PPDU based reporting */
if (FIELD_GET(MT_TXS0_TXS_FORMAT, txs) > 1) {
stats->tx_bytes +=
le32_get_bits(txs_data[5], MT_TXS5_MPDU_TX_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 +=
le32_get_bits(txs_data[7], MT_TXS7_MPDU_RETRY_CNT);
}
txrate = FIELD_GET(MT_TXS0_TX_RATE, txs);
@@ -613,7 +611,7 @@ bool mt76_connac2_mac_add_txs_skb(struct mt76_dev *dev, struct mt76_wcid *wcid,
case MT_PHY_TYPE_HT:
case MT_PHY_TYPE_HT_GF:
if (rate.mcs > 31)
goto out;
return false;
rate.flags = RATE_INFO_FLAGS_MCS;
if (wcid->rate.flags & RATE_INFO_FLAGS_SHORT_GI)
@@ -621,7 +619,7 @@ bool mt76_connac2_mac_add_txs_skb(struct mt76_dev *dev, struct mt76_wcid *wcid,
break;
case MT_PHY_TYPE_VHT:
if (rate.mcs > 9)
goto out;
return false;
rate.flags = RATE_INFO_FLAGS_VHT_MCS;
break;
@@ -630,14 +628,14 @@ bool mt76_connac2_mac_add_txs_skb(struct mt76_dev *dev, struct mt76_wcid *wcid,
case MT_PHY_TYPE_HE_TB:
case MT_PHY_TYPE_HE_MU:
if (rate.mcs > 11)
goto out;
return false;
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;
return false;
}
stats->tx_mode[mode]++;
@@ -662,10 +660,34 @@ bool mt76_connac2_mac_add_txs_skb(struct mt76_dev *dev, struct mt76_wcid *wcid,
}
wcid->rate = rate;
out:
if (skb)
mt76_tx_status_skb_done(dev, skb, &list);
return true;
}
EXPORT_SYMBOL_GPL(mt76_connac2_mac_fill_txs);
bool mt76_connac2_mac_add_txs_skb(struct mt76_dev *dev, struct mt76_wcid *wcid,
int pid, __le32 *txs_data)
{
struct sk_buff_head list;
struct sk_buff *skb;
mt76_tx_status_lock(dev, &list);
skb = mt76_tx_status_skb_get(dev, wcid, pid, &list);
if (skb) {
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
bool noacked = !(info->flags & IEEE80211_TX_STAT_ACK);
if (!(le32_to_cpu(txs_data[0]) & MT_TXS0_ACK_ERROR_MASK))
info->flags |= IEEE80211_TX_STAT_ACK;
info->status.ampdu_len = 1;
info->status.ampdu_ack_len = !noacked;
info->status.rates[0].idx = -1;
wcid->stats.tx_failed += noacked;
mt76_connac2_mac_fill_txs(dev, wcid, txs_data);
mt76_tx_status_skb_done(dev, skb, &list);
}
mt76_tx_status_unlock(dev, &list);
return !!skb;