Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx

[linux-2.6] / net / sctp / ipv6.c

diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 85f1495e0edc82e85ace76533a399e343573b7c6..a238d6834b33ad1ba2728ebbd026016c3b88fc57 100644 (file)
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -226,7 +226,7 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport,
 
        SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, "
                          "src:" NIP6_FMT " dst:" NIP6_FMT "\n",
-                         __FUNCTION__, skb, skb->len,
+                         __func__, skb, skb->len,
                          NIP6(fl.fl6_src), NIP6(fl.fl6_dst));
 
        SCTP_INC_STATS(SCTP_MIB_OUTSCTPPACKS);
@@ -251,7 +251,7 @@ static struct dst_entry *sctp_v6_get_dst(struct sctp_association *asoc,
 
 
        SCTP_DEBUG_PRINTK("%s: DST=" NIP6_FMT " ",
-                         __FUNCTION__, NIP6(fl.fl6_dst));
+                         __func__, NIP6(fl.fl6_dst));
 
        if (saddr) {
                ipv6_addr_copy(&fl.fl6_src, &saddr->v6.sin6_addr);
@@ -260,7 +260,7 @@ static struct dst_entry *sctp_v6_get_dst(struct sctp_association *asoc,
                        NIP6(fl.fl6_src));
        }
 
-       dst = ip6_route_output(NULL, &fl);
+       dst = ip6_route_output(&init_net, NULL, &fl);
        if (!dst->error) {
                struct rt6_info *rt;
                rt = (struct rt6_info *)dst;
@@ -299,7 +299,8 @@ static inline int sctp_v6_addr_match_len(union sctp_addr *s1,
 /* Fills in the source address(saddr) based on the destination address(daddr)
  * and asoc's bind address list.
  */
-static void sctp_v6_get_saddr(struct sctp_association *asoc,
+static void sctp_v6_get_saddr(struct sctp_sock *sk,
+                             struct sctp_association *asoc,
                              struct dst_entry *dst,
                              union sctp_addr *daddr,
                              union sctp_addr *saddr)
@@ -313,10 +314,13 @@ static void sctp_v6_get_saddr(struct sctp_association *asoc,
 
        SCTP_DEBUG_PRINTK("%s: asoc:%p dst:%p "
                          "daddr:" NIP6_FMT " ",
-                         __FUNCTION__, asoc, dst, NIP6(daddr->v6.sin6_addr));
+                         __func__, asoc, dst, NIP6(daddr->v6.sin6_addr));
 
        if (!asoc) {
-               ipv6_get_saddr(dst, &daddr->v6.sin6_addr,&saddr->v6.sin6_addr);
+               ipv6_dev_get_saddr(dst ? ip6_dst_idev(dst)->dev : NULL,
+                                  &daddr->v6.sin6_addr,
+                                  inet6_sk(&sk->inet.sk)->srcprefs,
+                                  &saddr->v6.sin6_addr);
                SCTP_DEBUG_PRINTK("saddr from ipv6_get_saddr: " NIP6_FMT "\n",
                                  NIP6(saddr->v6.sin6_addr));
                return;
@@ -351,7 +355,7 @@ static void sctp_v6_get_saddr(struct sctp_association *asoc,
        } else {
                printk(KERN_ERR "%s: asoc:%p Could not find a valid source "
                       "address for the dest:" NIP6_FMT "\n",
-                      __FUNCTION__, asoc, NIP6(daddr->v6.sin6_addr));
+                      __func__, asoc, NIP6(daddr->v6.sin6_addr));
        }
 
        rcu_read_unlock();
@@ -634,7 +638,7 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
        struct ipv6_pinfo *newnp, *np = inet6_sk(sk);
        struct sctp6_sock *newsctp6sk;
 
-       newsk = sk_alloc(sk->sk_net, PF_INET6, GFP_KERNEL, sk->sk_prot);
+       newsk = sk_alloc(sock_net(sk), PF_INET6, GFP_KERNEL, sk->sk_prot);
        if (!newsk)
                goto out;
 
@@ -723,6 +727,11 @@ static void sctp_v6_seq_dump_addr(struct seq_file *seq, union sctp_addr *addr)
        seq_printf(seq, NIP6_FMT " ", NIP6(addr->v6.sin6_addr));
 }
 
+static void sctp_v6_ecn_capable(struct sock *sk)
+{
+       inet6_sk(sk)->tclass |= INET_ECN_ECT_0;
+}
+
 /* Initialize a PF_INET6 socket msg_name. */
 static void sctp_inet6_msgname(char *msgname, int *addr_len)
 {
@@ -809,7 +818,7 @@ static int sctp_inet6_af_supported(sa_family_t family, struct sctp_sock *sp)
                return 1;
        /* v4-mapped-v6 addresses */
        case AF_INET:
-               if (!__ipv6_only_sock(sctp_opt2sk(sp)) && sp->v4mapped)
+               if (!__ipv6_only_sock(sctp_opt2sk(sp)))
                        return 1;
        default:
                return 0;
@@ -831,6 +840,11 @@ static int sctp_inet6_cmp_addr(const union sctp_addr *addr1,
 
        if (!af1 || !af2)
                return 0;
+
+       /* If the socket is IPv6 only, v4 addrs will not match */
+       if (__ipv6_only_sock(sctp_opt2sk(opt)) && af1 != af2)
+               return 0;
+
        /* Today, wildcard AF_INET/AF_INET6. */
        if (sctp_is_any(addr1) || sctp_is_any(addr2))
                return 1;
@@ -867,7 +881,11 @@ static int sctp_inet6_bind_verify(struct sctp_sock *opt, union sctp_addr *addr)
                                return 0;
                        }
                        dev_put(dev);
+               } else if (type == IPV6_ADDR_MAPPED) {
+                       if (!opt->v4mapped)
+                               return 0;
                }
+
                af = opt->pf->af;
        }
        return af->available(addr, opt);
@@ -910,9 +928,12 @@ static int sctp_inet6_send_verify(struct sctp_sock *opt, union sctp_addr *addr)
 static int sctp_inet6_supported_addrs(const struct sctp_sock *opt,
                                      __be16 *types)
 {
-       types[0] = SCTP_PARAM_IPV4_ADDRESS;
-       types[1] = SCTP_PARAM_IPV6_ADDRESS;
-       return 2;
+       types[0] = SCTP_PARAM_IPV6_ADDRESS;
+       if (!opt || !ipv6_only_sock(sctp_opt2sk(opt))) {
+               types[1] = SCTP_PARAM_IPV4_ADDRESS;
+               return 2;
+       }
+       return 1;
 }
 
 static const struct proto_ops inet6_seqpacket_ops = {
@@ -993,6 +1014,7 @@ static struct sctp_af sctp_af_inet6 = {
        .skb_iif           = sctp_v6_skb_iif,
        .is_ce             = sctp_v6_is_ce,
        .seq_dump_addr     = sctp_v6_seq_dump_addr,
+       .ecn_capable       = sctp_v6_ecn_capable,
        .net_header_len    = sizeof(struct ipv6hdr),
        .sockaddr_len      = sizeof(struct sockaddr_in6),
 #ifdef CONFIG_COMPAT