commit e958203796650e3959a43708d67534bf36f4c83b
author b.liu <b.liu@mobiletek.cn> Thu Apr 17 19:18:16 2025 +0800
committer b.liu <b.liu@mobiletek.cn> Thu Apr 17 19:18:16 2025 +0800
tree b2d43b7c77053224287779c12b5e890cadc3d327
parent f51a5559b56d8fd47d9623531065443befb43e5b

ASR_BASE

Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1

target/linux/generic/pending-5.4/770-03-net-ethernet-mtk_eth_soc-fix-unnecessary-tx-queue-st.patch

diff --git a/target/linux/generic/pending-5.4/770-03-net-ethernet-mtk_eth_soc-fix-unnecessary-tx-queue-st.patch b/target/linux/generic/pending-5.4/770-03-net-ethernet-mtk_eth_soc-fix-unnecessary-tx-queue-st.patch
new file mode 100644
index 0000000..08be589
--- /dev/null
+++ b/target/linux/generic/pending-5.4/770-03-net-ethernet-mtk_eth_soc-fix-unnecessary-tx-queue-st.patch
@@ -0,0 +1,50 @@
+From: Felix Fietkau <nbd@nbd.name>
+Date: Wed, 26 Aug 2020 16:55:54 +0200
+Subject: [PATCH] net: ethernet: mtk_eth_soc: fix unnecessary tx queue
+ stops
+
+When running short on descriptors, only stop the queue for the netdev that tx
+was attempted for. By the time the something tries to send on the other netdev,
+the ring might have some more room already
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+@@ -1158,17 +1158,6 @@ static void mtk_wake_queue(struct mtk_et
+ 	}
+ }
+ 
+-static void mtk_stop_queue(struct mtk_eth *eth)
+-{
+-	int i;
+-
+-	for (i = 0; i < MTK_MAC_COUNT; i++) {
+-		if (!eth->netdev[i])
+-			continue;
+-		netif_stop_queue(eth->netdev[i]);
+-	}
+-}
+-
+ static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev)
+ {
+ 	struct mtk_mac *mac = netdev_priv(dev);
+@@ -1189,7 +1178,7 @@ static int mtk_start_xmit(struct sk_buff
+ 
+ 	tx_num = mtk_cal_txd_req(skb);
+ 	if (unlikely(atomic_read(&ring->free_count) <= tx_num)) {
+-		mtk_stop_queue(eth);
++		netif_stop_queue(dev);
+ 		netif_err(eth, tx_queued, dev,
+ 			  "Tx Ring full when queue awake!\n");
+ 		spin_unlock(&eth->page_lock);
+@@ -1215,7 +1204,7 @@ static int mtk_start_xmit(struct sk_buff
+ 		goto drop;
+ 
+ 	if (unlikely(atomic_read(&ring->free_count) <= ring->thresh))
+-		mtk_stop_queue(eth);
++		netif_stop_queue(dev);
+ 
+ 	spin_unlock(&eth->page_lock);
+