Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
[powerpc.git] / net / sctp / ipv6.c
index 8ebd177..0b9c49b 100644 (file)
@@ -53,7 +53,6 @@
 #include <linux/socket.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
-#include <linux/sched.h>
 #include <linux/in.h>
 #include <linux/in6.h>
 #include <linux/netdevice.h>
 
 #include <asm/uaccess.h>
 
+/* Event handler for inet6 address addition/deletion events.  */
+static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
+                               void *ptr)
+{
+       struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
+       struct sctp_sockaddr_entry *addr;
+       struct list_head *pos, *temp;
+
+       switch (ev) {
+       case NETDEV_UP:
+               addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
+               if (addr) {
+                       addr->a.v6.sin6_family = AF_INET6;
+                       addr->a.v6.sin6_port = 0;
+                       memcpy(&addr->a.v6.sin6_addr, &ifa->addr,
+                                sizeof(struct in6_addr));
+                       addr->a.v6.sin6_scope_id = ifa->idev->dev->ifindex;
+                       list_add_tail(&addr->list, &sctp_local_addr_list);
+               }
+               break;
+       case NETDEV_DOWN:
+               list_for_each_safe(pos, temp, &sctp_local_addr_list) {
+                       addr = list_entry(pos, struct sctp_sockaddr_entry, list);
+                       if (ipv6_addr_equal(&addr->a.v6.sin6_addr, &ifa->addr)) {
+                               list_del(pos);
+                               kfree(addr);
+                               break;
+                       }
+               }
+
+               break;
+       }
+
+       return NOTIFY_DONE;
+}
+
 static struct notifier_block sctp_inet6addr_notifier = {
-       .notifier_call = sctp_inetaddr_event,
+       .notifier_call = sctp_inet6addr_event,
 };
 
 /* ICMP error handler. */
@@ -161,17 +196,15 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport,
        /* Fill in the dest address from the route entry passed with the skb
         * and the source address from the transport.
         */
-       ipv6_addr_copy(&fl.fl6_dst, &transport->ipaddr_h.v6.sin6_addr);
-       ipv6_addr_copy(&fl.fl6_src, &transport->saddr_h.v6.sin6_addr);
+       ipv6_addr_copy(&fl.fl6_dst, &transport->ipaddr.v6.sin6_addr);
+       ipv6_addr_copy(&fl.fl6_src, &transport->saddr.v6.sin6_addr);
 
        fl.fl6_flowlabel = np->flow_label;
        IP6_ECN_flow_xmit(sk, fl.fl6_flowlabel);
        if (ipv6_addr_type(&fl.fl6_src) & IPV6_ADDR_LINKLOCAL)
-               fl.oif = transport->saddr_h.v6.sin6_scope_id;
+               fl.oif = transport->saddr.v6.sin6_scope_id;
        else
                fl.oif = sk->sk_bound_dev_if;
-       fl.fl_ip_sport = inet_sk(sk)->sport;
-       fl.fl_ip_dport = transport->ipaddr_h.v6.sin6_port;
 
        if (np->opt && np->opt->srcrt) {
                struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt;
@@ -202,7 +235,7 @@ static struct dst_entry *sctp_v6_get_dst(struct sctp_association *asoc,
        ipv6_addr_copy(&fl.fl6_dst, &daddr->v6.sin6_addr);
        if (ipv6_addr_type(&daddr->v6.sin6_addr) & IPV6_ADDR_LINKLOCAL)
                fl.oif = daddr->v6.sin6_scope_id;
-       
+
 
        SCTP_DEBUG_PRINTK("%s: DST=" NIP6_FMT " ",
                          __FUNCTION__, NIP6(fl.fl6_dst));
@@ -290,11 +323,11 @@ static void sctp_v6_get_saddr(struct sctp_association *asoc,
        list_for_each(pos, &bp->address_list) {
                laddr = list_entry(pos, struct sctp_sockaddr_entry, list);
                if ((laddr->use_as_src) &&
-                   (laddr->a_h.sa.sa_family == AF_INET6) &&
-                   (scope <= sctp_scope(&laddr->a_h))) {
-                       bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a_h);
+                   (laddr->a.sa.sa_family == AF_INET6) &&
+                   (scope <= sctp_scope(&laddr->a))) {
+                       bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a);
                        if (!baddr || (matchlen < bmatchlen)) {
-                               baddr = &laddr->a_h;
+                               baddr = &laddr->a;
                                matchlen = bmatchlen;
                        }
                }
@@ -327,7 +360,7 @@ static void sctp_v6_copy_addrlist(struct list_head *addrlist,
                return;
        }
 
-       read_lock(&in6_dev->lock);
+       read_lock_bh(&in6_dev->lock);
        for (ifp = in6_dev->addr_list; ifp; ifp = ifp->if_next) {
                /* Add the address to the local list.  */
                addr = t_new(struct sctp_sockaddr_entry, GFP_ATOMIC);
@@ -336,13 +369,12 @@ static void sctp_v6_copy_addrlist(struct list_head *addrlist,
                        addr->a.v6.sin6_port = 0;
                        addr->a.v6.sin6_addr = ifp->addr;
                        addr->a.v6.sin6_scope_id = dev->ifindex;
-                       addr->a_h = addr->a;
                        INIT_LIST_HEAD(&addr->list);
                        list_add_tail(&addr->list, addrlist);
                }
        }
 
-       read_unlock(&in6_dev->lock);
+       read_unlock_bh(&in6_dev->lock);
        rcu_read_unlock();
 }
 
@@ -351,7 +383,7 @@ static void sctp_v6_from_skb(union sctp_addr *addr,struct sk_buff *skb,
                             int is_saddr)
 {
        void *from;
-       __u16 *port;
+       __be16 *port;
        struct sctphdr *sh;
 
        port = &addr->v6.sin6_port;
@@ -361,10 +393,10 @@ static void sctp_v6_from_skb(union sctp_addr *addr,struct sk_buff *skb,
 
        sh = (struct sctphdr *) skb->h.raw;
        if (is_saddr) {
-               *port  = ntohs(sh->source);
+               *port  = sh->source;
                from = &skb->nh.ipv6h->saddr;
        } else {
-               *port = ntohs(sh->dest);
+               *port = sh->dest;
                from = &skb->nh.ipv6h->daddr;
        }
        ipv6_addr_copy(&addr->v6.sin6_addr, from);
@@ -374,7 +406,7 @@ static void sctp_v6_from_skb(union sctp_addr *addr,struct sk_buff *skb,
 static void sctp_v6_from_sk(union sctp_addr *addr, struct sock *sk)
 {
        addr->v6.sin6_family = AF_INET6;
-       addr->v6.sin6_port = inet_sk(sk)->num;
+       addr->v6.sin6_port = 0;
        addr->v6.sin6_addr = inet6_sk(sk)->rcv_saddr;
 }
 
@@ -408,7 +440,7 @@ static void sctp_v6_to_sk_daddr(union sctp_addr *addr, struct sock *sk)
 /* Initialize a sctp_addr from an address parameter. */
 static void sctp_v6_from_addr_param(union sctp_addr *addr,
                                    union sctp_addr_param *param,
-                                   __u16 port, int iif)
+                                   __be16 port, int iif)
 {
        addr->v6.sin6_family = AF_INET6;
        addr->v6.sin6_port = port;
@@ -434,7 +466,7 @@ static int sctp_v6_to_addr_param(const union sctp_addr *addr,
 
 /* Initialize a sctp_addr from a dst_entry. */
 static void sctp_v6_dst_saddr(union sctp_addr *addr, struct dst_entry *dst,
-                             unsigned short port)
+                             __be16 port)
 {
        struct rt6_info *rt = (struct rt6_info *)dst;
        addr->sa.sa_family = AF_INET6;
@@ -481,7 +513,7 @@ static int sctp_v6_cmp_addr(const union sctp_addr *addr1,
 }
 
 /* Initialize addr struct to INADDR_ANY. */
-static void sctp_v6_inaddr_any(union sctp_addr *addr, unsigned short port)
+static void sctp_v6_inaddr_any(union sctp_addr *addr, __be16 port)
 {
        memset(addr, 0x00, sizeof(union sctp_addr));
        addr->v6.sin6_family = AF_INET6;
@@ -856,7 +888,7 @@ static int sctp_inet6_send_verify(struct sctp_sock *opt, union sctp_addr *addr)
  * Returns number of addresses supported.
  */
 static int sctp_inet6_supported_addrs(const struct sctp_sock *opt,
-                                     __u16 *types)
+                                     __be16 *types)
 {
        types[0] = SCTP_PARAM_IPV4_ADDRESS;
        types[1] = SCTP_PARAM_IPV6_ADDRESS;