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be0639063a
Merged upstream: bcm27xx/patches-5.4/950-1014-Revert-mailbox-avoid-timer-start-from-callback.patch generic/backport-5.4/080-wireguard-0021-crypto-blake2s-generic-C-library-implementation-and-.patch Manually adapted: layerscape/patches-5.4/801-audio-0005-Revert-ASoC-fsl_sai-Add-support-for-SAI-new-version.patch oxnas/patches-5.4/100-oxnas-clk-plla-pllb.patch Compile-tested: lantiq/xrx200 Run-tested: lantiq/xrx200 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Wed, 26 Aug 2020 16:55:54 +0200
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Subject: [PATCH] net: ethernet: mtk_eth_soc: fix unnecessary tx queue
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stops
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When running short on descriptors, only stop the queue for the netdev that tx
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was attempted for. By the time the something tries to send on the other netdev,
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the ring might have some more room already
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@@ -1158,17 +1158,6 @@ static void mtk_wake_queue(struct mtk_et
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}
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}
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-static void mtk_stop_queue(struct mtk_eth *eth)
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-{
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- int i;
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-
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- for (i = 0; i < MTK_MAC_COUNT; i++) {
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- if (!eth->netdev[i])
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- continue;
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- netif_stop_queue(eth->netdev[i]);
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- }
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-}
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-
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static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev)
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{
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struct mtk_mac *mac = netdev_priv(dev);
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@@ -1189,7 +1178,7 @@ static int mtk_start_xmit(struct sk_buff
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tx_num = mtk_cal_txd_req(skb);
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if (unlikely(atomic_read(&ring->free_count) <= tx_num)) {
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- mtk_stop_queue(eth);
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+ netif_stop_queue(dev);
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netif_err(eth, tx_queued, dev,
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"Tx Ring full when queue awake!\n");
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spin_unlock(ð->page_lock);
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@@ -1215,7 +1204,7 @@ static int mtk_start_xmit(struct sk_buff
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goto drop;
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if (unlikely(atomic_read(&ring->free_count) <= ring->thresh))
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- mtk_stop_queue(eth);
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+ netif_stop_queue(dev);
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spin_unlock(ð->page_lock);
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