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Commit 2dac4b96 authored Sep 01, 2005 by YOSHIFUJI Hideaki Committed by David S. Miller Sep 01, 2005

[IPV6]: Repair Incoming Interface Handling for Raw Socket.



Due to changes to enforce checking interface bindings,
sockets did not see loopback packets bound for our local address
on our interface.

e.g.)
  When we ping6 fe80::1%eth0, skb->dev points loopback_dev while
  IP6CB(skb)->iif indicates eth0.

This patch fixes the issue by using appropriate incoming interface,
in the sense of scoping architecture.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 573dbd95

net/ipv6/icmp.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -549,7 +549,7 @@ static void icmpv6_notify(struct sk_buff *skb, int type, int code, u32 info)
		read_lock(&raw_v6_lock);
		if ((sk = sk_head(&raw_v6_htable[hash])) != NULL) {
		while((sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr,
		skb->dev->ifindex))) {
		IP6CB(skb)->iif))) {
		rawv6_err(sk, skb, NULL, type, code, inner_offset, info);
		sk = sk_next(sk);
		}

net/ipv6/raw.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -166,7 +166,7 @@ int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
		if (sk == NULL)
		goto out;

		sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr, skb->dev->ifindex);
		sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr, IP6CB(skb)->iif);

		while (sk) {
		delivered = 1;
		@@ -178,7 +178,7 @@ int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
		rawv6_rcv(sk, clone);
		}
		sk = __raw_v6_lookup(sk_next(sk), nexthdr, daddr, saddr,
		skb->dev->ifindex);
		IP6CB(skb)->iif);
		}
		out:
		read_unlock(&raw_v6_lock);