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authorJesse Gross <jesse@nicira.com>2011-01-17 20:46:00 +0000
committerDavid S. Miller <davem@davemloft.net>2011-01-18 16:13:50 -0800
commit6ee400aafb60289b78fcde5ebccd8c4973fc53f4 (patch)
treed2cf34a95277a35836bbbb898a15d3dfa45e4368 /net
parentf742aa8acb7e50a383f6d2b00b1c52e081970d38 (diff)
downloadop-kernel-dev-6ee400aafb60289b78fcde5ebccd8c4973fc53f4.zip
op-kernel-dev-6ee400aafb60289b78fcde5ebccd8c4973fc53f4.tar.gz
net offloading: Do not mask out NETIF_F_HW_VLAN_TX for vlan.
In netif_skb_features() we return only the features that are valid for vlans if we have a vlan packet. However, we should not mask out NETIF_F_HW_VLAN_TX since it enables transmission of vlan tags and is obviously valid. Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Jesse Gross <jesse@nicira.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/dev.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 83507c2..4c58d11 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2023,13 +2023,13 @@ int netif_skb_features(struct sk_buff *skb)
return harmonize_features(skb, protocol, features);
}
- features &= skb->dev->vlan_features;
+ features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_TX);
if (protocol != htons(ETH_P_8021Q)) {
return harmonize_features(skb, protocol, features);
} else {
features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
- NETIF_F_GEN_CSUM;
+ NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_TX;
return harmonize_features(skb, protocol, features);
}
}
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