From ec33a49135d96df56ef106a49c2434ca81f821f9 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Tue, 9 Jun 2009 05:39:28 +0000 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- drivers/net/qlge/qlge_main.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 0775b4d7d3f..738691ddcc0 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -1532,6 +1532,15 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev, 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) { -- 2.20.1