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kernel: use napi_build_skb in mtk_eth_soc

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Improves performance

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2024-05-20 14:36:55 +02:00
parent 458cafd0d0
commit f352ca5a8a
1 changed files with 30 additions and 0 deletions
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target/linux/generic/pending-6.6/733-01-net-ethernet-mtk_eth_soc-use-napi_build_skb.patch Normal file
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@ -0,0 +1,30 @@
From: Felix Fietkau <nbd@nbd.name>
Date: Mon, 20 May 2024 14:29:58 +0200
Subject: [PATCH] net: ethernet: mtk_eth_soc: use napi_build_skb()
The napi_build_skb() can reuse the skb in skb cache per CPU or
can allocate skbs in bulk, which helps improve the performance.
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
@@ -2120,7 +2120,7 @@ static int mtk_poll_rx(struct napi_struc
if (ret != XDP_PASS)
goto skip_rx;
- skb = build_skb(data, PAGE_SIZE);
+ skb = napi_build_skb(data, PAGE_SIZE);
if (unlikely(!skb)) {
page_pool_put_full_page(ring->page_pool,
page, true);
@@ -2158,7 +2158,7 @@ static int mtk_poll_rx(struct napi_struc
dma_unmap_single(eth->dma_dev, ((u64)trxd.rxd1 | addr64),
ring->buf_size, DMA_FROM_DEVICE);
- skb = build_skb(data, ring->frag_size);
+ skb = napi_build_skb(data, ring->frag_size);
if (unlikely(!skb)) {
netdev->stats.rx_dropped++;
skb_free_frag(data);