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ixgbe: Fix receive on real device when VLANs are configured 

Traffic received with a priority tag (VID = 0) and non-zero priority value was
incorrectly handled by the VLAN packet code path due to a check on zero for
the whole VLAN tag instead of just the VID.

This patch masked out the priority field when checking the vlan tag for
received VLAN packets.

Signed-off-by: Lucy Liu <lucy.liu@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lucy Liu 2009-08-13 14:09:38 +00:00 committed by David S. Miller
parent 17e78b0655
commit 8a62babfb8
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ixgbe/ixgbe_main.c
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@ -492,12 +492,12 @@ static void ixgbe_receive_skb(struct ixgbe_q_vector *q_vector,
skb_record_rx_queue(skb, ring->queue_index);
if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) {
if (adapter->vlgrp && is_vlan && (tag != 0))
if (adapter->vlgrp && is_vlan && (tag & VLAN_VID_MASK))
vlan_gro_receive(napi, adapter->vlgrp, tag, skb);
else
napi_gro_receive(napi, skb);
} else {
if (adapter->vlgrp && is_vlan && (tag != 0))
if (adapter->vlgrp && is_vlan && (tag & VLAN_VID_MASK))
vlan_hwaccel_rx(skb, adapter->vlgrp, tag);
else
netif_rx(skb);