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authorPablo Neira Ayuso <pablo@netfilter.org>2015-08-21 01:10:19 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2015-08-21 06:09:05 +0200
commit81bf1c64e7fe08f956c74fe2b0f1fa6eb163bd91 (patch)
tree40370ca95f416fd88cb93e5c252623e282b3553e /net/core/lwtunnel.c
parent8cfd23e6740158817d2045915f6ea5a2daf11bce (diff)
parent938049e18dca57bcd2f93986fc1cbb5a83cdf027 (diff)
downloadlinux-81bf1c64e7fe08f956c74fe2b0f1fa6eb163bd91.tar.bz2
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Resolve conflicts with conntrack template fixes. Conflicts: net/netfilter/nf_conntrack_core.c net/netfilter/nf_synproxy_core.c net/netfilter/xt_CT.c Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/core/lwtunnel.c')
-rw-r--r--net/core/lwtunnel.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/net/core/lwtunnel.c b/net/core/lwtunnel.c
index 5d6d8e3d450a..3331585174d9 100644
--- a/net/core/lwtunnel.c
+++ b/net/core/lwtunnel.c
@@ -241,3 +241,58 @@ int lwtunnel_output(struct sock *sk, struct sk_buff *skb)
return __lwtunnel_output(sk, skb, lwtstate);
}
EXPORT_SYMBOL(lwtunnel_output);
+
+int __lwtunnel_input(struct sk_buff *skb,
+ struct lwtunnel_state *lwtstate)
+{
+ const struct lwtunnel_encap_ops *ops;
+ int ret = -EINVAL;
+
+ if (!lwtstate)
+ goto drop;
+
+ if (lwtstate->type == LWTUNNEL_ENCAP_NONE ||
+ lwtstate->type > LWTUNNEL_ENCAP_MAX)
+ return 0;
+
+ ret = -EOPNOTSUPP;
+ rcu_read_lock();
+ ops = rcu_dereference(lwtun_encaps[lwtstate->type]);
+ if (likely(ops && ops->input))
+ ret = ops->input(skb);
+ rcu_read_unlock();
+
+ if (ret == -EOPNOTSUPP)
+ goto drop;
+
+ return ret;
+
+drop:
+ kfree_skb(skb);
+
+ return ret;
+}
+
+int lwtunnel_input6(struct sk_buff *skb)
+{
+ struct rt6_info *rt = (struct rt6_info *)skb_dst(skb);
+ struct lwtunnel_state *lwtstate = NULL;
+
+ if (rt)
+ lwtstate = rt->rt6i_lwtstate;
+
+ return __lwtunnel_input(skb, lwtstate);
+}
+EXPORT_SYMBOL(lwtunnel_input6);
+
+int lwtunnel_input(struct sk_buff *skb)
+{
+ struct rtable *rt = (struct rtable *)skb_dst(skb);
+ struct lwtunnel_state *lwtstate = NULL;
+
+ if (rt)
+ lwtstate = rt->rt_lwtstate;
+
+ return __lwtunnel_input(skb, lwtstate);
+}
+EXPORT_SYMBOL(lwtunnel_input);