diff options
Diffstat (limited to 'package/kernel/mac80211/patches/ath10k/081-01-v6.0-ath10k-improve-tx-status-reporting.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/ath10k/081-01-v6.0-ath10k-improve-tx-status-reporting.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/ath10k/081-01-v6.0-ath10k-improve-tx-status-reporting.patch b/package/kernel/mac80211/patches/ath10k/081-01-v6.0-ath10k-improve-tx-status-reporting.patch new file mode 100644 index 0000000000..c024850918 --- /dev/null +++ b/package/kernel/mac80211/patches/ath10k/081-01-v6.0-ath10k-improve-tx-status-reporting.patch @@ -0,0 +1,69 @@ +From 2587d5198aa5adcbd8896aae4a2404dc13d48637 Mon Sep 17 00:00:00 2001 +From: Sergey Ryazanov <ryazanov.s.a@gmail.com> +Date: Wed, 18 May 2022 10:27:26 +0300 +Subject: ath10k: improve tx status reporting +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +We use ieee80211_tx_status() to report each completed tx frame. +Internally, this function calls sta_info_get_by_addrs(), what has a +couple of drawbacks: +1. additional station lookup causes a performance degradation; +2. mac80211 can not properly account Ethernet encapsulated frames due + to the inability to properly determine the destination (station) MAC + address since ieee80211_tx_status() assumes the frame has a 802.11 + header. + +The latter is especially destructive if we want to use hardware frames +encapsulation. + +To fix both of these issues, replace ieee80211_tx_status() with +ieee80211_tx_status_ext() call and feed it station pointer from the tx +queue associated with the transmitted frame. + +Tested-on: QCA9888 hw2.0 PCI 10.4-3.9.0.2-00131 +Tested-on: QCA6174 hw3.2 PCI WLAN.RM.4.4.1-00157-QCARMSWPZ-1 + +Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> +Tested-by: Oldřich Jedlička <oldium.pro@gmail.com> # TP-Link Archer C7 v4 & v5 (QCA9563 + QCA9880) +Tested-by: Edward Matijevic <motolav@gmail.com> # TP-Link Archer C2600 (IPQ8064 + QCA9980 10.4.1.00030-1) +Tested-by: Edward Matijevic <motolav@gmail.com> # QCA9377 PCI in Sta mode +Tested-by: Zhijun You <hujy652@gmail.com> # NETGEAR R7800 (QCA9984 10.4-3.9.0.2-00159) +Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> +Link: https://lore.kernel.org/r/20220516032519.29831-2-ryazanov.s.a@gmail.com +--- + drivers/net/wireless/ath/ath10k/txrx.c | 15 ++++++++++++++- + 1 file changed, 14 insertions(+), 1 deletion(-) + +--- a/drivers/net/wireless/ath/ath10k/txrx.c ++++ b/drivers/net/wireless/ath/ath10k/txrx.c +@@ -43,6 +43,7 @@ out: + int ath10k_txrx_tx_unref(struct ath10k_htt *htt, + const struct htt_tx_done *tx_done) + { ++ struct ieee80211_tx_status status; + struct ath10k *ar = htt->ar; + struct device *dev = ar->dev; + struct ieee80211_tx_info *info; +@@ -128,7 +129,19 @@ int ath10k_txrx_tx_unref(struct ath10k_h + info->status.is_valid_ack_signal = true; + } + +- ieee80211_tx_status(htt->ar->hw, msdu); ++ memset(&status, 0, sizeof(status)); ++ status.skb = msdu; ++ status.info = info; ++ ++ rcu_read_lock(); ++ ++ if (txq) ++ status.sta = txq->sta; ++ ++ ieee80211_tx_status_ext(htt->ar->hw, &status); ++ ++ rcu_read_unlock(); ++ + /* we do not own the msdu anymore */ + + return 0; |