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Diffstat (limited to 'net/sctp/ipv6.c')
-rw-r--r--net/sctp/ipv6.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index d081858c2d07..097bd60ce964 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -680,9 +680,11 @@ static int sctp_v6_is_any(const union sctp_addr *addr)
/* Should this be available for binding? */
static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp)
{
- int type;
- struct net *net = sock_net(&sp->inet.sk);
const struct in6_addr *in6 = (const struct in6_addr *)&addr->v6.sin6_addr;
+ struct sock *sk = &sp->inet.sk;
+ struct net *net = sock_net(sk);
+ struct net_device *dev = NULL;
+ int type;
type = ipv6_addr_type(in6);
if (IPV6_ADDR_ANY == type)
@@ -696,8 +698,14 @@ static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp)
if (!(type & IPV6_ADDR_UNICAST))
return 0;
+ if (sk->sk_bound_dev_if) {
+ dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if);
+ if (!dev)
+ return 0;
+ }
+
return ipv6_can_nonlocal_bind(net, &sp->inet) ||
- ipv6_chk_addr(net, in6, NULL, 0);
+ ipv6_chk_addr(net, in6, dev, 0);
}
/* This function checks if the address is a valid address to be used for
@@ -834,7 +842,12 @@ static int sctp_v6_addr_to_user(struct sctp_sock *sp, union sctp_addr *addr)
/* Where did this skb come from? */
static int sctp_v6_skb_iif(const struct sk_buff *skb)
{
- return IP6CB(skb)->iif;
+ return inet6_iif(skb);
+}
+
+static int sctp_v6_skb_sdif(const struct sk_buff *skb)
+{
+ return inet6_sdif(skb);
}
/* Was this packet marked by Explicit Congestion Notification? */
@@ -1134,6 +1147,7 @@ static struct sctp_af sctp_af_inet6 = {
.is_any = sctp_v6_is_any,
.available = sctp_v6_available,
.skb_iif = sctp_v6_skb_iif,
+ .skb_sdif = sctp_v6_skb_sdif,
.is_ce = sctp_v6_is_ce,
.seq_dump_addr = sctp_v6_seq_dump_addr,
.ecn_capable = sctp_v6_ecn_capable,