b5d425af23
Increase DMA burst size and tx ring size and optimize tx processing Signed-off-by: Felix Fietkau <nbd@nbd.name>
51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
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
|
|
@@ -1126,17 +1126,6 @@ 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);
|
|
@@ -1157,7 +1146,7 @@ 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(ð->page_lock);
|
|
@@ -1183,7 +1172,7 @@ 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(ð->page_lock);
|
|
|