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iptunnel: specify protocol outside IP header

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Before this patch, ip_tunnel_xmit() was using the field protocol from the IP
header passed into argument.
There is no functional change, this patch prepares the support of IPv4 over
IPv4 for module sit.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2013-05-27 23:48:15 +00:00 committed by David S. Miller
parent 35d0461061
commit bf3d6a8f79
4 changed files with 5 additions and 5 deletions
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2
include/net/ip_tunnels.h
View File

@ -101,7 +101,7 @@ int __net_init ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
void __net_exit ip_tunnel_delete_net(struct ip_tunnel_net *itn);
void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
const struct iphdr *tnl_params);
const struct iphdr *tnl_params, const u8 protocol);
int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd);
int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu);

2
net/ipv4/ip_gre.c
View File

@ -429,7 +429,7 @@ static void __gre_xmit(struct sk_buff *skb, struct net_device *dev,
return;
}
ip_tunnel_xmit(skb, dev, tnl_params);
ip_tunnel_xmit(skb, dev, tnl_params, tnl_params->protocol);
}
static netdev_tx_t ipgre_xmit(struct sk_buff *skb,

4
net/ipv4/ip_tunnel.c
View File

@ -487,7 +487,7 @@ int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
EXPORT_SYMBOL_GPL(ip_tunnel_rcv);
void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
const struct iphdr *tnl_params)
const struct iphdr *tnl_params, const u8 protocol)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
const struct iphdr *inner_iph;
@ -670,7 +670,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
iph->version = 4;
iph->ihl = sizeof(struct iphdr) >> 2;
iph->frag_off = df;
iph->protocol = tnl_params->protocol;
iph->protocol = protocol;
iph->tos = ip_tunnel_ecn_encap(tos, inner_iph, skb);
iph->daddr = fl4.daddr;
iph->saddr = fl4.saddr;

2
net/ipv4/ipip.c
View File

@ -222,7 +222,7 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
skb->encapsulation = 1;
}
ip_tunnel_xmit(skb, dev, tiph);
ip_tunnel_xmit(skb, dev, tiph, tiph->protocol);
return NETDEV_TX_OK;
tx_error: