openwrtv3/target/linux/brcm47xx/patches-3.8/765-bgmac-omit-the-fcs.patch
Hauke Mehrtens 04af8bd108 brcm47xx: bgmac: omit the fcs
This fixes #13058 and hopefully #12927

SVN-Revision: 35834
2013-02-28 13:27:21 +00:00

19 lines
658 B
Diff

--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -301,12 +301,16 @@ static int bgmac_dma_rx_read(struct bgma
bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
ring->start);
} else {
+ /* Omit CRC. */
+ len -= ETH_FCS_LEN;
+
new_skb = netdev_alloc_skb_ip_align(bgmac->net_dev, len);
if (new_skb) {
skb_put(new_skb, len);
skb_copy_from_linear_data_offset(skb, BGMAC_RX_FRAME_OFFSET,
new_skb->data,
len);
+ skb_checksum_none_assert(skb);
new_skb->protocol =
eth_type_trans(new_skb, bgmac->net_dev);
netif_receive_skb(new_skb);