From f352ca5a8ad66d0b6b58053e4cfa3c77b5c06f9d Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 20 May 2024 14:36:55 +0200 Subject: [PATCH] kernel: use napi_build_skb in mtk_eth_soc Improves performance Signed-off-by: Felix Fietkau --- ...ernet-mtk_eth_soc-use-napi_build_skb.patch | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 target/linux/generic/pending-6.6/733-01-net-ethernet-mtk_eth_soc-use-napi_build_skb.patch diff --git a/target/linux/generic/pending-6.6/733-01-net-ethernet-mtk_eth_soc-use-napi_build_skb.patch b/target/linux/generic/pending-6.6/733-01-net-ethernet-mtk_eth_soc-use-napi_build_skb.patch new file mode 100644 index 0000000000..71c0734ce7 --- /dev/null +++ b/target/linux/generic/pending-6.6/733-01-net-ethernet-mtk_eth_soc-use-napi_build_skb.patch @@ -0,0 +1,30 @@ +From: Felix Fietkau +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 +--- + +--- 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); -- 2.30.2