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: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index bf985c0..bce30e7 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -301,12 +301,16 @@
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);