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authorPatrick McHardy <kaber@trash.net>2008-05-20 14:54:50 -0700
committerDavid S. Miller <davem@davemloft.net>2008-05-20 14:54:50 -0700
commit5fb13570543f4ae022996c9d7c0c099c8abf22dd (patch)
treebf0f837d4b2dd778c32cf8fcf719913203f1cd39 /net/8021q/vlan_dev.c
parentdrivers/atm/: remove CVS keywords (diff)
downloadlinux-dev-5fb13570543f4ae022996c9d7c0c099c8abf22dd.tar.xz
linux-dev-5fb13570543f4ae022996c9d7c0c099c8abf22dd.zip
[VLAN]: Propagate selected feature bits to VLAN devices
Propagate feature bits from the NETDEV_FEAT_CHANGE notifier. For now only TSO is propagated for devices that announce their ability to support TSO in combination with VLAN accel by setting the NETIF_F_VLAN_TSO flag. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--net/8021q/vlan_dev.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index c961f0826005..b1cfbaa88db2 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -663,6 +663,11 @@ static int vlan_dev_init(struct net_device *dev)
(1<<__LINK_STATE_DORMANT))) |
(1<<__LINK_STATE_PRESENT);
+ if (real_dev->features & NETIF_F_VLAN_TSO)
+ dev->features |= real_dev->features & VLAN_TSO_FEATURES;
+ if (real_dev->features & NETIF_F_VLAN_CSUM)
+ dev->features |= real_dev->features & NETIF_F_ALL_CSUM;
+
/* ipv6 shared card related stuff */
dev->dev_id = real_dev->dev_id;