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Diffstat (limited to 'net/ipv6/ip6_input.c')
-rw-r--r--net/ipv6/ip6_input.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 21a15dfe4a9..47975e363fc 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -47,9 +47,18 @@
-inline int ip6_rcv_finish( struct sk_buff *skb)
+int ip6_rcv_finish(struct sk_buff *skb)
{
- if (skb_dst(skb) == NULL)
+ if (sysctl_ip_early_demux && !skb_dst(skb)) {
+ const struct inet6_protocol *ipprot;
+
+ rcu_read_lock();
+ ipprot = rcu_dereference(inet6_protos[ipv6_hdr(skb)->nexthdr]);
+ if (ipprot && ipprot->early_demux)
+ ipprot->early_demux(skb);
+ rcu_read_unlock();
+ }
+ if (!skb_dst(skb))
ip6_route_input(skb);
return dst_input(skb);
@@ -168,13 +177,12 @@ drop:
static int ip6_input_finish(struct sk_buff *skb)
{
+ struct net *net = dev_net(skb_dst(skb)->dev);
const struct inet6_protocol *ipprot;
+ struct inet6_dev *idev;
unsigned int nhoff;
int nexthdr;
bool raw;
- u8 hash;
- struct inet6_dev *idev;
- struct net *net = dev_net(skb_dst(skb)->dev);
/*
* Parse extension headers
@@ -189,9 +197,7 @@ resubmit:
nexthdr = skb_network_header(skb)[nhoff];
raw = raw6_local_deliver(skb, nexthdr);
-
- hash = nexthdr & (MAX_INET_PROTOS - 1);
- if ((ipprot = rcu_dereference(inet6_protos[hash])) != NULL) {
+ if ((ipprot = rcu_dereference(inet6_protos[nexthdr])) != NULL) {
int ret;
if (ipprot->flags & INET6_PROTO_FINAL) {