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Commit a3245236 authored by Steffen Klassert's avatar Steffen Klassert
Browse files

vti4: Don't count header length twice. 



We currently count the size of LL_MAX_HEADER and struct iphdr
twice for vti4 devices, this leads to a wrong device mtu.
The size of LL_MAX_HEADER and struct iphdr is already counted in
ip_tunnel_bind_dev(), so don't do it again in vti_tunnel_init().

Fixes: b9959fd3 ("vti: switch to new ip tunnel code")
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
parent 5596732f

net/ipv4/ip_vti.c

+0 −1
Original line number Diff line number Diff line
@@ -349,7 +349,6 @@ static int vti_tunnel_init(struct net_device *dev) 
	memcpy(dev->broadcast, &iph->daddr, 4);



	dev->type		= ARPHRD_TUNNEL;

	dev->hard_header_len	= LL_MAX_HEADER + sizeof(struct iphdr);

	dev->mtu		= ETH_DATA_LEN;

	dev->flags		= IFF_NOARP;

	dev->iflink		= 0;