1 files changed, 20 insertions, 18 deletions

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index a76da657244a..a3c8988758b1 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -205,14 +205,14 @@ static void sctp_get_local_addr_list(void)
 	struct list_head *pos;
 	struct sctp_af *af;
 
-	read_lock(&dev_base_lock);
-	for_each_netdev(&init_net, dev) {
+	rcu_read_lock();
+	for_each_netdev_rcu(&init_net, dev) {
 		__list_for_each(pos, &sctp_address_families) {
 			af = list_entry(pos, struct sctp_af, list);
 			af->copy_addrlist(&sctp_local_addr_list, dev);
 		}
 	}
-	read_unlock(&dev_base_lock);
+	rcu_read_unlock();
 }
 
 /* Free the existing local addresses.  */
@@ -296,19 +296,19 @@ static void sctp_v4_from_sk(union sctp_addr *addr, struct sock *sk)
 {
 	addr->v4.sin_family = AF_INET;
 	addr->v4.sin_port = 0;
-	addr->v4.sin_addr.s_addr = inet_sk(sk)->rcv_saddr;
+	addr->v4.sin_addr.s_addr = inet_sk(sk)->inet_rcv_saddr;
 }
 
 /* Initialize sk->sk_rcv_saddr from sctp_addr. */
 static void sctp_v4_to_sk_saddr(union sctp_addr *addr, struct sock *sk)
 {
-	inet_sk(sk)->rcv_saddr = addr->v4.sin_addr.s_addr;
+	inet_sk(sk)->inet_rcv_saddr = addr->v4.sin_addr.s_addr;
 }
 
 /* Initialize sk->sk_daddr from sctp_addr. */
 static void sctp_v4_to_sk_daddr(union sctp_addr *addr, struct sock *sk)
 {
-	inet_sk(sk)->daddr = addr->v4.sin_addr.s_addr;
+	inet_sk(sk)->inet_daddr = addr->v4.sin_addr.s_addr;
 }
 
 /* Initialize a sctp_addr from an address parameter. */
@@ -431,16 +431,14 @@ static int sctp_v4_available(union sctp_addr *addr, struct sctp_sock *sp)
  * of requested destination address, sender and receiver
  * SHOULD include all of its addresses with level greater
  * than or equal to L.
+ *
+ * IPv4 scoping can be controlled through sysctl option
+ * net.sctp.addr_scope_policy
  */
 static sctp_scope_t sctp_v4_scope(union sctp_addr *addr)
 {
 	sctp_scope_t retval;
 
-	/* Should IPv4 scoping be a sysctl configurable option
-	 * so users can turn it off (default on) for certain
-	 * unconventional networking environments?
-	 */
-
 	/* Check for unusable SCTP addresses. */
 	if (IS_IPV4_UNUSABLE_ADDRESS(addr->v4.sin_addr.s_addr)) {
 		retval =  SCTP_SCOPE_UNUSABLE;
@@ -600,7 +598,7 @@ static struct sock *sctp_v4_create_accept_sk(struct sock *sk,
 
 	newinet = inet_sk(newsk);
 
-	newinet->daddr = asoc->peer.primary_addr.v4.sin_addr.s_addr;
+	newinet->inet_daddr = asoc->peer.primary_addr.v4.sin_addr.s_addr;
 
 	sk_refcnt_debug_inc(newsk);
 
@@ -911,7 +909,6 @@ static struct inet_protosw sctp_seqpacket_protosw = {
 	.protocol   = IPPROTO_SCTP,
 	.prot       = &sctp_prot,
 	.ops        = &inet_seqpacket_ops,
-	.capability = -1,
 	.no_check   = 0,
 	.flags      = SCTP_PROTOSW_FLAG
 };
@@ -920,13 +917,12 @@ static struct inet_protosw sctp_stream_protosw = {
 	.protocol   = IPPROTO_SCTP,
 	.prot       = &sctp_prot,
 	.ops        = &inet_seqpacket_ops,
-	.capability = -1,
 	.no_check   = 0,
 	.flags      = SCTP_PROTOSW_FLAG
 };
 
 /* Register with IP layer.  */
-static struct net_protocol sctp_protocol = {
+static const struct net_protocol sctp_protocol = {
 	.handler     = sctp_rcv,
 	.err_handler = sctp_v4_err,
 	.no_policy   = 1,
@@ -1186,10 +1182,10 @@ SCTP_STATIC __init int sctp_init(void)
 	/* Size and allocate the association hash table.
 	 * The methodology is similar to that of the tcp hash tables.
 	 */
-	if (num_physpages >= (128 * 1024))
-		goal = num_physpages >> (22 - PAGE_SHIFT);
+	if (totalram_pages >= (128 * 1024))
+		goal = totalram_pages >> (22 - PAGE_SHIFT);
 	else
-		goal = num_physpages >> (24 - PAGE_SHIFT);
+		goal = totalram_pages >> (24 - PAGE_SHIFT);
 
 	for (order = 0; (1UL << order) < goal; order++)
 		;
@@ -1259,6 +1255,12 @@ SCTP_STATIC __init int sctp_init(void)
 	/* Disable AUTH by default. */
 	sctp_auth_enable = 0;
 
+	/* Set SCOPE policy to enabled */
+	sctp_scope_policy = SCTP_SCOPE_POLICY_ENABLE;
+
+	/* Set the default rwnd update threshold */
+	sctp_rwnd_upd_shift		= SCTP_DEFAULT_RWND_SHIFT;
+
 	sctp_sysctl_register();
 
 	INIT_LIST_HEAD(&sctp_address_families);