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| author | P Praneesh <ppranees@codeaurora.org> | 2021-11-12 11:06:04 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2021-11-15 11:21:56 +0200 |
| commit | bcef57ea400cc20a5389fa0e38d61063331558f8 (patch) | |
| tree | 5aa8cb3428a1e8fe6447205f57916a6968d09e3d /drivers/net/wireless/ath/ath11k/mac.c | |
| parent | cbfbed495d3289d5a0bc7c614cea639008086cfe (diff) | |
| download | lwn-bcef57ea400cc20a5389fa0e38d61063331558f8.tar.gz lwn-bcef57ea400cc20a5389fa0e38d61063331558f8.zip | |
ath11k: add branch predictors in dp_tx path
Add branch prediction in dp_tx code path in tx and tx completion handlers.
Also in ath11k_dp_tx_complete_msdu , the pointer that is returned by
rcu_dereference() is not dereferenced. so it is preferable to use
rcu_access_pointer() here.
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-01734-QCAHKSWPL_SILICONZ-1 v2
Co-developed-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Signed-off-by: P Praneesh <ppranees@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1630560820-21905-12-git-send-email-ppranees@codeaurora.org
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/mac.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/mac.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index 24fda9bc9209..cec49468d615 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -5283,7 +5283,7 @@ static void ath11k_mac_op_tx(struct ieee80211_hw *hw, arsta = (struct ath11k_sta *)control->sta->drv_priv; ret = ath11k_dp_tx(ar, arvif, arsta, skb); - if (ret) { + if (unlikely(ret)) { ath11k_warn(ar->ab, "failed to transmit frame %d\n", ret); ieee80211_free_txskb(ar->hw, skb); } |