diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/770-10-net-ethernet-mtk_eth_soc-unmap-rx-data-before-callin.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/770-10-net-ethernet-mtk_eth_soc-unmap-rx-data-before-callin.patch | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/target/linux/generic/pending-5.4/770-10-net-ethernet-mtk_eth_soc-unmap-rx-data-before-callin.patch b/target/linux/generic/pending-5.4/770-10-net-ethernet-mtk_eth_soc-unmap-rx-data-before-callin.patch deleted file mode 100644 index 285fcf8971..0000000000 --- a/target/linux/generic/pending-5.4/770-10-net-ethernet-mtk_eth_soc-unmap-rx-data-before-callin.patch +++ /dev/null @@ -1,44 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Thu, 27 Aug 2020 09:44:43 +0200 -Subject: [PATCH] net: ethernet: mtk_eth_soc: unmap rx data before calling - build_skb - -Since build_skb accesses the data area (for initializing shinfo), dma unmap -needs to happen before that call - -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 -@@ -1314,17 +1314,18 @@ static int mtk_poll_rx(struct napi_struc - goto release_desc; - } - -+ dma_unmap_single(eth->dev, trxd.rxd1, -+ ring->buf_size, DMA_FROM_DEVICE); -+ - /* receive data */ - skb = build_skb(data, ring->frag_size); - if (unlikely(!skb)) { -- skb_free_frag(new_data); -+ skb_free_frag(data); - netdev->stats.rx_dropped++; -- goto release_desc; -+ goto skip_rx; - } - skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN); - -- dma_unmap_single(eth->dev, trxd.rxd1, -- ring->buf_size, DMA_FROM_DEVICE); - pktlen = RX_DMA_GET_PLEN0(trxd.rxd2); - skb->dev = netdev; - skb_put(skb, pktlen); -@@ -1342,6 +1343,7 @@ static int mtk_poll_rx(struct napi_struc - skb_record_rx_queue(skb, 0); - napi_gro_receive(napi, skb); - -+skip_rx: - ring->data[idx] = new_data; - rxd->rxd1 = (unsigned int)dma_addr; - |