diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/770-00-net-ethernet-mtk_eth_soc-use-napi_consume_skb.patch')
-rw-r--r-- | target/linux/generic/pending-5.4/770-00-net-ethernet-mtk_eth_soc-use-napi_consume_skb.patch | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/target/linux/generic/pending-5.4/770-00-net-ethernet-mtk_eth_soc-use-napi_consume_skb.patch b/target/linux/generic/pending-5.4/770-00-net-ethernet-mtk_eth_soc-use-napi_consume_skb.patch deleted file mode 100644 index 2f0c7934f5..0000000000 --- a/target/linux/generic/pending-5.4/770-00-net-ethernet-mtk_eth_soc-use-napi_consume_skb.patch +++ /dev/null @@ -1,72 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Mon, 8 Jun 2020 17:01:12 +0200 -Subject: [PATCH] net: ethernet: mtk_eth_soc: use napi_consume_skb - -Should improve performance, since it can use bulk free - -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 -@@ -874,7 +874,8 @@ static int txd_to_idx(struct mtk_tx_ring - return ((void *)dma - (void *)ring->dma) / sizeof(*dma); - } - --static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf) -+static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf, -+ bool napi) - { - if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { - if (tx_buf->flags & MTK_TX_FLAGS_SINGLE0) { -@@ -906,8 +907,12 @@ static void mtk_tx_unmap(struct mtk_eth - - tx_buf->flags = 0; - if (tx_buf->skb && -- (tx_buf->skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC)) -- dev_kfree_skb_any(tx_buf->skb); -+ (tx_buf->skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC)) { -+ if (napi) -+ napi_consume_skb(tx_buf->skb, napi); -+ else -+ dev_kfree_skb_any(tx_buf->skb); -+ } - tx_buf->skb = NULL; - } - -@@ -1085,7 +1090,7 @@ err_dma: - tx_buf = mtk_desc_to_tx_buf(ring, itxd); - - /* unmap dma */ -- mtk_tx_unmap(eth, tx_buf); -+ mtk_tx_unmap(eth, tx_buf, false); - - itxd->txd3 = TX_DMA_LS0 | TX_DMA_OWNER_CPU; - if (!MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) -@@ -1403,7 +1408,7 @@ static int mtk_poll_tx_qdma(struct mtk_e - done[mac]++; - budget--; - } -- mtk_tx_unmap(eth, tx_buf); -+ mtk_tx_unmap(eth, tx_buf, true); - - ring->last_free = desc; - atomic_inc(&ring->free_count); -@@ -1440,7 +1445,7 @@ static int mtk_poll_tx_pdma(struct mtk_e - budget--; - } - -- mtk_tx_unmap(eth, tx_buf); -+ mtk_tx_unmap(eth, tx_buf, true); - - desc = &ring->dma[cpu]; - ring->last_free = desc; -@@ -1642,7 +1647,7 @@ static void mtk_tx_clean(struct mtk_eth - - if (ring->buf) { - for (i = 0; i < MTK_DMA_SIZE; i++) -- mtk_tx_unmap(eth, &ring->buf[i]); -+ mtk_tx_unmap(eth, &ring->buf[i], false); - kfree(ring->buf); - ring->buf = NULL; - } |