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bgmac: omit the fcs

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Do not include the frame check sequence when adding the skb to
netif_receive_skb(). This causes problems when this interface was
bridged to a wifi ap and a big package should be forwarded from this
Ethernet driver through a bride to the wifi client.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hauke Mehrtens
2013-02-28 07:16:54 +00:00
committed by David S. Miller
parent b2a431915d
commit 02e711276d
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/broadcom/bgmac.c
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@@ -301,12 +301,16 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n", bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
ring->start); ring->start);
} else { } else {
/* Omit CRC. */
len -= ETH_FCS_LEN;
new_skb = netdev_alloc_skb_ip_align(bgmac->net_dev, len); new_skb = netdev_alloc_skb_ip_align(bgmac->net_dev, len);
if (new_skb) { if (new_skb) {
skb_put(new_skb, len); skb_put(new_skb, len);
skb_copy_from_linear_data_offset(skb, BGMAC_RX_FRAME_OFFSET, skb_copy_from_linear_data_offset(skb, BGMAC_RX_FRAME_OFFSET,
new_skb->data, new_skb->data,
len); len);
skb_checksum_none_assert(skb);
new_skb->protocol = new_skb->protocol =
eth_type_trans(new_skb, bgmac->net_dev); eth_type_trans(new_skb, bgmac->net_dev);
netif_receive_skb(new_skb); netif_receive_skb(new_skb);