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authorstephen hemminger <shemminger@vyatta.com>2012-10-10 00:35:51 +0400
committerDavid S. Miller <davem@davemloft.net>2012-10-11 06:41:22 +0400
commit2840bf22866935fe7197582bcbe2cde4503e0bba (patch)
treeeeb25f38098f7f2abc09c3dc0601ba77cb46fe0b /drivers/net
parent05f47d69c44902c265dc2ad5a960978a97b45e3d (diff)
downloadlinux-2840bf22866935fe7197582bcbe2cde4503e0bba.tar.xz
vxlan: add additional headroom
Tell upper layer protocols to allocate skb with additional headroom. This avoids allocation and copy in local packet sends. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/vxlan.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 4be2784e7ac2..0b95d5fffce7 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -983,6 +983,7 @@ static void vxlan_setup(struct net_device *dev)
eth_hw_addr_random(dev);
ether_setup(dev);
+ dev->hard_header_len = ETH_HLEN + VXLAN_HEADROOM;
dev->netdev_ops = &vxlan_netdev_ops;
dev->destructor = vxlan_free;