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ipv6: Implement IPV6_UNICAST_IF socket option.

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The IPV6_UNICAST_IF feature is the IPv6 compliment to IP_UNICAST_IF.

Signed-off-by: Erich E. Hoover <ehoover@mines.edu>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Erich E. Hoover 2012-02-08 09:11:08 +00:00 • committed by David S. Miller
parent 76e21053b5
commit c4062dfc42
6 changed files with 44 additions and 1 deletions
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4
net/ipv6/icmp.c
View file

@ -468,6 +468,8 @@ void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
fl6.flowi6_oif = np->mcast_oif;
else if (!fl6.flowi6_oif)
fl6.flowi6_oif = np->ucast_oif;
dst = icmpv6_route_lookup(net, skb, sk, &fl6);
if (IS_ERR(dst))
@ -553,6 +555,8 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr))
fl6.flowi6_oif = np->mcast_oif;
else if (!fl6.flowi6_oif)
fl6.flowi6_oif = np->ucast_oif;
err = ip6_dst_lookup(sk, &dst, &fl6);
if (err)