qlge: Drop inbound frames > MTU.
The max frame size register is set higher than the MTU to
accomodate FCoE frames.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 0775b4d..738691d 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -1532,6 +1532,15 @@
dev_kfree_skb_any(skb);
return;
}
+
+ /* The max framesize filter on this chip is set higher than
+ * MTU since FCoE uses 2k frames.
+ */
+ if (skb->len > ndev->mtu + ETH_HLEN) {
+ dev_kfree_skb_any(skb);
+ return;
+ }
+
prefetch(skb->data);
skb->dev = ndev;
if (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) {