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Commit 02e71127 authored by Hauke Mehrtens's avatar Hauke Mehrtens Committed by David S. Miller
Browse files

bgmac: omit the fcs 



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: default avatarHauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b2a43191

drivers/net/ethernet/broadcom/bgmac.c

+4 −0
Original line number Diff line number Diff line
@@ -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",

				  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);