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ramips: use napi_alloc_frag and skb_free_frag

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Slightly improves rx performance

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2017-12-05 16:40:42 +01:00
parent 968b861612
commit d3ea5fc9f3
1 changed files with 4 additions and 4 deletions
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8
target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mtk_eth_soc.c
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@ -216,7 +216,7 @@ static void fe_clean_rx(struct fe_priv *priv)
ring->rx_dma[i].rxd1, ring->rx_dma[i].rxd1,
ring->rx_buf_size, ring->rx_buf_size,
DMA_FROM_DEVICE); DMA_FROM_DEVICE);
put_page(virt_to_head_page(ring->rx_data[i])); skb_free_frag(ring->rx_data[i]);
} }
kfree(ring->rx_data); kfree(ring->rx_data);
@ -834,7 +834,7 @@ static int fe_poll_rx(struct napi_struct *napi, int budget,
break; break;
/* alloc new buffer */ /* alloc new buffer */
new_data = netdev_alloc_frag(ring->frag_size); new_data = napi_alloc_frag(ring->frag_size);
if (unlikely(!new_data)) { if (unlikely(!new_data)) {
stats->rx_dropped++; stats->rx_dropped++;
goto release_desc; goto release_desc;
@ -844,14 +844,14 @@ static int fe_poll_rx(struct napi_struct *napi, int budget,
ring->rx_buf_size, ring->rx_buf_size,
DMA_FROM_DEVICE); DMA_FROM_DEVICE);
if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) { if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) {
put_page(virt_to_head_page(new_data)); skb_free_frag(new_data);
goto release_desc; goto release_desc;
} }
/* receive data */ /* receive data */
skb = build_skb(data, ring->frag_size); skb = build_skb(data, ring->frag_size);
if (unlikely(!skb)) { if (unlikely(!skb)) {
put_page(virt_to_head_page(new_data)); skb_free_frag(new_data);
goto release_desc; goto release_desc;
} }
skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN); skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);