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vxlan: add additional headroom

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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>
This commit is contained in:
stephen hemminger 2012-10-09 20:35:51 +00:00 committed by David S. Miller
parent 05f47d69c4
commit 2840bf2286
1 changed files with 1 additions and 0 deletions
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drivers/net/vxlan.c
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@ -983,6 +983,7 @@ static void vxlan_setup(struct net_device *dev)
eth_hw_addr_random(dev); eth_hw_addr_random(dev);
ether_setup(dev); ether_setup(dev);
dev->hard_header_len = ETH_HLEN + VXLAN_HEADROOM;
dev->netdev_ops = &vxlan_netdev_ops; dev->netdev_ops = &vxlan_netdev_ops;
dev->destructor = vxlan_free; dev->destructor = vxlan_free;