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ip_tunnel: implement __iptunnel_pull_header

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Allow calling of iptunnel_pull_header without special casing ETH_P_TEB inner
protocol.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Benc
2016-04-05 14:47:12 +02:00
committed by David S. Miller
parent 47e5d1b063
commit a6d5bbf34e
2 changed files with 13 additions and 6 deletions
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8
net/ipv4/ip_tunnel_core.c
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@@ -86,15 +86,15 @@ void iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
}
EXPORT_SYMBOL_GPL(iptunnel_xmit);
int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto,
bool xnet)
int __iptunnel_pull_header(struct sk_buff *skb, int hdr_len,
__be16 inner_proto, bool raw_proto, bool xnet)
{
if (unlikely(!pskb_may_pull(skb, hdr_len)))
return -ENOMEM;
skb_pull_rcsum(skb, hdr_len);
if (inner_proto == htons(ETH_P_TEB)) {
if (!raw_proto && inner_proto == htons(ETH_P_TEB)) {
struct ethhdr *eh;
if (unlikely(!pskb_may_pull(skb, ETH_HLEN)))
@@ -117,7 +117,7 @@ int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto,
return iptunnel_pull_offloads(skb);
}
EXPORT_SYMBOL_GPL(iptunnel_pull_header);
EXPORT_SYMBOL_GPL(__iptunnel_pull_header);
struct metadata_dst *iptunnel_metadata_reply(struct metadata_dst *md,
gfp_t flags)