diff options
Diffstat (limited to 'net/ipv6/datagram.c')
| -rw-r--r-- | net/ipv6/datagram.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index f5a54782a34..4b56cbbc789 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -124,7 +124,7 @@ ipv4_connected: goto out; } - if (addr_type&IPV6_ADDR_LINKLOCAL) { + if (__ipv6_addr_needs_scope_id(addr_type)) { if (addr_len >= sizeof(struct sockaddr_in6) && usin->sin6_scope_id) { if (sk->sk_bound_dev_if && @@ -355,18 +355,19 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len) sin->sin6_family = AF_INET6; sin->sin6_flowinfo = 0; sin->sin6_port = serr->port; - sin->sin6_scope_id = 0; if (skb->protocol == htons(ETH_P_IPV6)) { const struct ipv6hdr *ip6h = container_of((struct in6_addr *)(nh + serr->addr_offset), struct ipv6hdr, daddr); sin->sin6_addr = ip6h->daddr; if (np->sndflow) sin->sin6_flowinfo = ip6_flowinfo(ip6h); - if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL) - sin->sin6_scope_id = IP6CB(skb)->iif; + sin->sin6_scope_id = + ipv6_iface_scope_id(&sin->sin6_addr, + IP6CB(skb)->iif); } else { ipv6_addr_set_v4mapped(*(__be32 *)(nh + serr->addr_offset), &sin->sin6_addr); + sin->sin6_scope_id = 0; } } @@ -376,18 +377,19 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len) if (serr->ee.ee_origin != SO_EE_ORIGIN_LOCAL) { sin->sin6_family = AF_INET6; sin->sin6_flowinfo = 0; - sin->sin6_scope_id = 0; if (skb->protocol == htons(ETH_P_IPV6)) { sin->sin6_addr = ipv6_hdr(skb)->saddr; if (np->rxopt.all) ip6_datagram_recv_ctl(sk, msg, skb); - if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL) - sin->sin6_scope_id = IP6CB(skb)->iif; + sin->sin6_scope_id = + ipv6_iface_scope_id(&sin->sin6_addr, + IP6CB(skb)->iif); } else { struct inet_sock *inet = inet_sk(sk); ipv6_addr_set_v4mapped(ip_hdr(skb)->saddr, &sin->sin6_addr); + sin->sin6_scope_id = 0; if (inet->cmsg_flags) ip_cmsg_recv(msg, skb); } @@ -592,7 +594,9 @@ int ip6_datagram_recv_ctl(struct sock *sk, struct msghdr *msg, sin6.sin6_addr = ipv6_hdr(skb)->daddr; sin6.sin6_port = ports[1]; sin6.sin6_flowinfo = 0; - sin6.sin6_scope_id = 0; + sin6.sin6_scope_id = + ipv6_iface_scope_id(&ipv6_hdr(skb)->daddr, + opt->iif); put_cmsg(msg, SOL_IPV6, IPV6_ORIGDSTADDR, sizeof(sin6), &sin6); } |