diff options
Diffstat (limited to 'net/ipv6/ip6_input.c')
| -rw-r--r-- | net/ipv6/ip6_input.c | 22 |
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) { |