lantiq: strip FCS from received ethernet frames on XRX200

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40719 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/lantiq/patches-3.10/0208-lantiq-xrx200-strip-fcs.patch b/target/linux/lantiq/patches-3.10/0208-lantiq-xrx200-strip-fcs.patch
new file mode 100644 (file)
index 0000000..ceaca4d
--- /dev/null
+++ b/target/linux/lantiq/patches-3.10/0208-lantiq-xrx200-strip-fcs.patch
@@ -0,0 +1,11 @@
+--- a/drivers/net/ethernet/lantiq_xrx200.c
++++ b/drivers/net/ethernet/lantiq_xrx200.c
+@@ -933,7 +933,7 @@ static void xrx200_hw_receive(struct xrx
+       struct xrx200_priv *priv = netdev_priv(dev);
+       struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];
+       struct sk_buff *skb = ch->skb[ch->dma.desc];
+-      int len = (desc->ctl & LTQ_DMA_SIZE_MASK);
++      int len = (desc->ctl & LTQ_DMA_SIZE_MASK) - ETH_FCS_LEN;
+       unsigned long flags;
+ 
+       spin_lock_irqsave(&priv->hw->lock, flags);