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authorNicolas Dichtel <nicolas.dichtel@6wind.com>2013-05-28 01:48:15 +0200
committerDavid S. Miller <davem@davemloft.net>2013-06-01 02:19:05 +0200
commitbf3d6a8f791b2a81279b9ce3201b4970f6fbe51a (patch)
tree72093c081b2de664ca77da0bc56fcaebf19eb195 /net
parentnet: clean up skb headers code (diff)
downloadlinux-bf3d6a8f791b2a81279b9ce3201b4970f6fbe51a.tar.xz
linux-bf3d6a8f791b2a81279b9ce3201b4970f6fbe51a.zip
iptunnel: specify protocol outside IP header
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>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/ip_gre.c2
-rw-r--r--net/ipv4/ip_tunnel.c4
-rw-r--r--net/ipv4/ipip.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 2a83591492dd..a982657d05e7 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -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,
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index e4147ec1665a..b89095c1518f 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -487,7 +487,7 @@ drop:
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;
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 77bfcce64fe5..9df7ecd393f2 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -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: