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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Felix Fietkau <nbd@nbd.name>, Sasha Levin <sashal@kernel.org>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: [PATCH AUTOSEL 5.13 123/189] mt76: dma: use ieee80211_tx_status_ext to free packets when tx fails
Date: Tue,  6 Jul 2021 07:13:03 -0400	[thread overview]
Message-ID: <20210706111409.2058071-123-sashal@kernel.org> (raw)
In-Reply-To: <20210706111409.2058071-1-sashal@kernel.org>

From: Felix Fietkau <nbd@nbd.name>

[ Upstream commit 94e4f5794627a80ce036c35b32a9900daeb31be3 ]

Fixes AQL issues on full queues, especially with 802.3 encap offload

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/dma.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 72b1cc0ecfda..e5c324dd24f9 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -349,6 +349,9 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
 		      struct sk_buff *skb, struct mt76_wcid *wcid,
 		      struct ieee80211_sta *sta)
 {
+	struct ieee80211_tx_status status = {
+		.sta = sta,
+	};
 	struct mt76_tx_info tx_info = {
 		.skb = skb,
 	};
@@ -360,11 +363,9 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
 	u8 *txwi;
 
 	t = mt76_get_txwi(dev);
-	if (!t) {
-		hw = mt76_tx_status_get_hw(dev, skb);
-		ieee80211_free_txskb(hw, skb);
-		return -ENOMEM;
-	}
+	if (!t)
+		goto free_skb;
+
 	txwi = mt76_get_txwi_ptr(dev, t);
 
 	skb->prev = skb->next = NULL;
@@ -427,8 +428,13 @@ mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
 	}
 #endif
 
-	dev_kfree_skb(tx_info.skb);
 	mt76_put_txwi(dev, t);
+
+free_skb:
+	status.skb = tx_info.skb;
+	hw = mt76_tx_status_get_hw(dev, tx_info.skb);
+	ieee80211_tx_status_ext(hw, &status);
+
 	return ret;
 }
 
-- 
2.30.2


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  parent reply	other threads:[~2021-07-06 11:21 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210706111409.2058071-1-sashal@kernel.org>
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 002/189] drm/mxsfb: Don't select DRM_KMS_FB_HELPER Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 011/189] drm/imx: ipuv3-plane: do not advertise YUV formats on planes without CSC Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 012/189] drm/imx: Add 8 pixel alignment fix Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 025/189] drm/mediatek: Fix PM reference leak in mtk_crtc_ddp_hw_init() Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 041/189] net: xilinx_emaclite: Do not print real IOMEM pointer Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 054/189] drm: rockchip: add missing registers for RK3188 Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 055/189] drm: rockchip: add missing registers for RK3066 Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 056/189] net: stmmac: the XPCS obscures a potential "PHY not found" error Sasha Levin
2021-07-06 11:12 ` [PATCH AUTOSEL 5.13 100/189] net: mido: mdio-mux-bcm-iproc: Use devm_platform_get_and_ioremap_resource() Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 122/189] mt76: mt7615: fix fixed-rate tx status reporting Sasha Levin
2021-07-06 11:13 ` Sasha Levin [this message]
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 130/189] mt76: mt7915: fix tssi indication field of DBDC NICs Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 131/189] mt76: mt7921: fix reset under the deep sleep is enabled Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 132/189] mt76: mt7921: reset wfsys during hw probe Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 133/189] mt76: mt7921: enable hw offloading for wep keys Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 134/189] mt76: connac: fix UC entry is being overwritten Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 135/189] mt76: connac: fix the maximum interval schedule scan can support Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 136/189] mt76: mt7915: fix IEEE80211_HE_PHY_CAP7_MAX_NC for station mode Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 137/189] mt76: fix iv and CCMP header insertion Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 170/189] Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip Sasha Levin

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