Update from upstream with manual merge of Yasunori Goto's

changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341
since this file has been moved from arch/ia64/lib/swiotlb.c to
lib/swiotlb.c

Signed-off-by: Tony Luck <tony.luck@intel.com>

13 files changed, 283 insertions, 82 deletions

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 5b24ae0..12b0f58 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -71,7 +71,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 					  const struct sctp_endpoint *ep,
 					  const struct sock *sk,
 					  sctp_scope_t scope,
-					  unsigned int __nocast gfp)
+					  gfp_t gfp)
 {
 	struct sctp_sock *sp;
 	int i;
@@ -273,7 +273,7 @@ fail_init:
 struct sctp_association *sctp_association_new(const struct sctp_endpoint *ep,
 					 const struct sock *sk,
 					 sctp_scope_t scope,
-					 unsigned int __nocast gfp)
+					 gfp_t gfp)
 {
 	struct sctp_association *asoc;
 
@@ -479,7 +479,7 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
 /* Add a transport address to an association.  */
 struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
 					   const union sctp_addr *addr,
-					   const unsigned int __nocast gfp,
+					   const gfp_t gfp,
 					   const int peer_state)
 {
 	struct sctp_transport *peer;
@@ -1231,7 +1231,7 @@ void sctp_assoc_rwnd_decrease(struct sctp_association *asoc, unsigned len)
  * local endpoint and the remote peer.
  */
 int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc,
-				     unsigned int __nocast gfp)
+				     gfp_t gfp)
 {
 	sctp_scope_t scope;
 	int flags;
@@ -1254,7 +1254,7 @@ int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc,
 /* Build the association's bind address list from the cookie.  */
 int sctp_assoc_set_bind_addr_from_cookie(struct sctp_association *asoc,
 					 struct sctp_cookie *cookie,
-					 unsigned int __nocast gfp)
+					 gfp_t gfp)
 {
 	int var_size2 = ntohs(cookie->peer_init->chunk_hdr.length);
 	int var_size3 = cookie->raw_addr_list_len;
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index f715497..2b96262 100644
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -53,7 +53,7 @@
 
 /* Forward declarations for internal helpers. */
 static int sctp_copy_one_addr(struct sctp_bind_addr *, union sctp_addr *,
-			      sctp_scope_t scope, unsigned int __nocast gfp,
+			      sctp_scope_t scope, gfp_t gfp,
 			      int flags);
 static void sctp_bind_addr_clean(struct sctp_bind_addr *);
 
@@ -64,7 +64,7 @@ static void sctp_bind_addr_clean(struct sctp_bind_addr *);
  */
 int sctp_bind_addr_copy(struct sctp_bind_addr *dest, 
 			const struct sctp_bind_addr *src,
-			sctp_scope_t scope, unsigned int __nocast gfp,
+			sctp_scope_t scope, gfp_t gfp,
 			int flags)
 {
 	struct sctp_sockaddr_entry *addr;
@@ -146,7 +146,7 @@ void sctp_bind_addr_free(struct sctp_bind_addr *bp)
 
 /* Add an address to the bind address list in the SCTP_bind_addr structure. */
 int sctp_add_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *new,
-		       unsigned int __nocast gfp)
+		       gfp_t gfp)
 {
 	struct sctp_sockaddr_entry *addr;
 
@@ -200,7 +200,7 @@ int sctp_del_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *del_addr)
  */
 union sctp_params sctp_bind_addrs_to_raw(const struct sctp_bind_addr *bp,
 					 int *addrs_len,
-					 unsigned int __nocast gfp)
+					 gfp_t gfp)
 {
 	union sctp_params addrparms;
 	union sctp_params retval;
@@ -252,7 +252,7 @@ end_raw:
  * address parameters).
  */
 int sctp_raw_to_bind_addrs(struct sctp_bind_addr *bp, __u8 *raw_addr_list,
-			   int addrs_len, __u16 port, unsigned int __nocast gfp)
+			   int addrs_len, __u16 port, gfp_t gfp)
 {
 	union sctp_addr_param *rawaddr;
 	struct sctp_paramhdr *param;
@@ -350,7 +350,7 @@ union sctp_addr *sctp_find_unmatch_addr(struct sctp_bind_addr	*bp,
 /* Copy out addresses from the global local address list. */
 static int sctp_copy_one_addr(struct sctp_bind_addr *dest, 
 			      union sctp_addr *addr,
-			      sctp_scope_t scope, unsigned int __nocast gfp,
+			      sctp_scope_t scope, gfp_t gfp,
 			      int flags)
 {
 	int error = 0;
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index 61da293..83ef411 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -62,7 +62,7 @@ static void sctp_datamsg_init(struct sctp_datamsg *msg)
 }
 
 /* Allocate and initialize datamsg. */
-SCTP_STATIC struct sctp_datamsg *sctp_datamsg_new(unsigned int __nocast gfp)
+SCTP_STATIC struct sctp_datamsg *sctp_datamsg_new(gfp_t gfp)
 {
 	struct sctp_datamsg *msg;
 	msg = kmalloc(sizeof(struct sctp_datamsg), gfp);
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index e22ccd6..96984f7 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -68,7 +68,7 @@ static void sctp_endpoint_bh_rcv(struct sctp_endpoint *ep);
  */
 static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
 						struct sock *sk,
-						unsigned int __nocast gfp)
+						gfp_t gfp)
 {
 	struct sctp_sock *sp = sctp_sk(sk);
 	memset(ep, 0, sizeof(struct sctp_endpoint));
@@ -138,8 +138,7 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
 /* Create a sctp_endpoint with all that boring stuff initialized.
  * Returns NULL if there isn't enough memory.
  */
-struct sctp_endpoint *sctp_endpoint_new(struct sock *sk,
-					unsigned int __nocast gfp)
+struct sctp_endpoint *sctp_endpoint_new(struct sock *sk, gfp_t gfp)
 {
 	struct sctp_endpoint *ep;
 
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index e7025be..26de4d3 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -147,7 +147,7 @@ static void sctp_v4_copy_addrlist(struct list_head *addrlist,
 	struct sctp_sockaddr_entry *addr;
 
 	rcu_read_lock();
-	if ((in_dev = __in_dev_get(dev)) == NULL) {
+	if ((in_dev = __in_dev_get_rcu(dev)) == NULL) {
 		rcu_read_unlock();
 		return;
 	}
@@ -219,7 +219,7 @@ static void sctp_free_local_addr_list(void)
 
 /* Copy the local addresses which are valid for 'scope' into 'bp'.  */
 int sctp_copy_local_addr_list(struct sctp_bind_addr *bp, sctp_scope_t scope,
-			      unsigned int __nocast gfp, int copy_flags)
+			      gfp_t gfp, int copy_flags)
 {
 	struct sctp_sockaddr_entry *addr;
 	int error = 0;
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 3868a8d..10e82ec 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -78,7 +78,7 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
 static int sctp_process_param(struct sctp_association *asoc,
 			      union sctp_params param,
 			      const union sctp_addr *peer_addr,
-			      unsigned int __nocast gfp);
+			      gfp_t gfp);
 
 /* What was the inbound interface for this chunk? */
 int sctp_chunk_iif(const struct sctp_chunk *chunk)
@@ -174,7 +174,7 @@ void  sctp_init_cause(struct sctp_chunk *chunk, __u16 cause_code,
  */
 struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
 			     const struct sctp_bind_addr *bp,
-			     unsigned int __nocast gfp, int vparam_len)
+			     gfp_t gfp, int vparam_len)
 {
 	sctp_inithdr_t init;
 	union sctp_params addrs;
@@ -261,7 +261,7 @@ nodata:
 
 struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
 				 const struct sctp_chunk *chunk,
-				 unsigned int __nocast gfp, int unkparam_len)
+				 gfp_t gfp, int unkparam_len)
 {
 	sctp_inithdr_t initack;
 	struct sctp_chunk *retval;
@@ -1234,7 +1234,7 @@ void sctp_chunk_assign_tsn(struct sctp_chunk *chunk)
 /* Create a CLOSED association to use with an incoming packet.  */
 struct sctp_association *sctp_make_temp_asoc(const struct sctp_endpoint *ep,
 					struct sctp_chunk *chunk,
-					unsigned int __nocast gfp)
+					gfp_t gfp)
 {
 	struct sctp_association *asoc;
 	struct sk_buff *skb;
@@ -1349,7 +1349,7 @@ nodata:
 struct sctp_association *sctp_unpack_cookie(
 	const struct sctp_endpoint *ep,
 	const struct sctp_association *asoc,
-	struct sctp_chunk *chunk, unsigned int __nocast gfp,
+	struct sctp_chunk *chunk, gfp_t gfp,
 	int *error, struct sctp_chunk **errp)
 {
 	struct sctp_association *retval = NULL;
@@ -1814,7 +1814,7 @@ int sctp_verify_init(const struct sctp_association *asoc,
  */
 int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
 		      const union sctp_addr *peer_addr,
-		      sctp_init_chunk_t *peer_init, unsigned int __nocast gfp)
+		      sctp_init_chunk_t *peer_init, gfp_t gfp)
 {
 	union sctp_params param;
 	struct sctp_transport *transport;
@@ -1985,7 +1985,7 @@ nomem:
 static int sctp_process_param(struct sctp_association *asoc,
 			      union sctp_params param,
 			      const union sctp_addr *peer_addr,
-			      unsigned int __nocast gfp)
+			      gfp_t gfp)
 {
 	union sctp_addr addr;
 	int i;
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 39c970b..f84173e 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -63,7 +63,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 				void *event_arg,
 			 	sctp_disposition_t status,
 				sctp_cmd_seq_t *commands,
-				unsigned int __nocast gfp);
+				gfp_t gfp);
 static int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype,
 			     sctp_state_t state,
 			     struct sctp_endpoint *ep,
@@ -71,7 +71,7 @@ static int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype,
 			     void *event_arg,
 			     sctp_disposition_t status,
 			     sctp_cmd_seq_t *commands,
-			     unsigned int __nocast gfp);
+			     gfp_t gfp);
 
 /********************************************************************
  * Helper functions
@@ -498,7 +498,7 @@ static int sctp_cmd_process_init(sctp_cmd_seq_t *commands,
 				 struct sctp_association *asoc,
 				 struct sctp_chunk *chunk,
 				 sctp_init_chunk_t *peer_init,
-				 unsigned int __nocast gfp)
+				 gfp_t gfp)
 {
 	int error;
 
@@ -853,7 +853,7 @@ int sctp_do_sm(sctp_event_t event_type, sctp_subtype_t subtype,
 	       struct sctp_endpoint *ep,
 	       struct sctp_association *asoc,
 	       void *event_arg,
-	       unsigned int __nocast gfp)
+	       gfp_t gfp)
 {
 	sctp_cmd_seq_t commands;
 	const sctp_sm_table_entry_t *state_fn;
@@ -898,7 +898,7 @@ static int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype,
 			     void *event_arg,
 			     sctp_disposition_t status,
 			     sctp_cmd_seq_t *commands,
-			     unsigned int __nocast gfp)
+			     gfp_t gfp)
 {
 	int error;
 
@@ -986,7 +986,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 				void *event_arg,
 			 	sctp_disposition_t status,
 				sctp_cmd_seq_t *commands,
-				unsigned int __nocast gfp)
+				gfp_t gfp)
 {
 	int error = 0;
 	int force;
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 86073df..505c7de1 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -2414,6 +2414,17 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
 	skb_pull(chunk->skb, sizeof(sctp_shutdownhdr_t));
 	chunk->subh.shutdown_hdr = sdh;
 
+	/* API 5.3.1.5 SCTP_SHUTDOWN_EVENT
+	 * When a peer sends a SHUTDOWN, SCTP delivers this notification to
+	 * inform the application that it should cease sending data.
+	 */
+	ev = sctp_ulpevent_make_shutdown_event(asoc, 0, GFP_ATOMIC);
+	if (!ev) {
+		disposition = SCTP_DISPOSITION_NOMEM;
+		goto out;	
+	}
+	sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev));
+
 	/* Upon the reception of the SHUTDOWN, the peer endpoint shall
 	 *  - enter the SHUTDOWN-RECEIVED state,
 	 *  - stop accepting new data from its SCTP user
@@ -2439,17 +2450,6 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
 	sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_CTSN,
 			SCTP_U32(chunk->subh.shutdown_hdr->cum_tsn_ack));
 
-	/* API 5.3.1.5 SCTP_SHUTDOWN_EVENT
-	 * When a peer sends a SHUTDOWN, SCTP delivers this notification to
-	 * inform the application that it should cease sending data.
-	 */
-	ev = sctp_ulpevent_make_shutdown_event(asoc, 0, GFP_ATOMIC);
-	if (!ev) {
-		disposition = SCTP_DISPOSITION_NOMEM;
-		goto out;	
-	}
-	sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev));
-
 out:
 	return disposition;
 }
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 91ec8c9..02e068d 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3159,8 +3159,9 @@ static int sctp_getsockopt_initmsg(struct sock *sk, int len, char __user *optval
 	return 0;
 }
 
-static int sctp_getsockopt_peer_addrs_num(struct sock *sk, int len,
-					  char __user *optval, int __user *optlen)
+static int sctp_getsockopt_peer_addrs_num_old(struct sock *sk, int len,
+					      char __user *optval,
+					      int __user *optlen)
 {
 	sctp_assoc_t id;
 	struct sctp_association *asoc;
@@ -3185,23 +3186,28 @@ static int sctp_getsockopt_peer_addrs_num(struct sock *sk, int len,
 	return cnt;
 }
 
-static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
-				      char __user *optval, int __user *optlen)
+/* 
+ * Old API for getting list of peer addresses. Does not work for 32-bit
+ * programs running on a 64-bit kernel
+ */
+static int sctp_getsockopt_peer_addrs_old(struct sock *sk, int len,
+					  char __user *optval,
+					  int __user *optlen)
 {
 	struct sctp_association *asoc;
 	struct list_head *pos;
 	int cnt = 0;
-	struct sctp_getaddrs getaddrs;
+	struct sctp_getaddrs_old getaddrs;
 	struct sctp_transport *from;
 	void __user *to;
 	union sctp_addr temp;
 	struct sctp_sock *sp = sctp_sk(sk);
 	int addrlen;
 
-	if (len != sizeof(struct sctp_getaddrs))
+	if (len != sizeof(struct sctp_getaddrs_old))
 		return -EINVAL;
 
-	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
+	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs_old)))
 		return -EFAULT;
 
 	if (getaddrs.addr_num <= 0) return -EINVAL;
@@ -3225,15 +3231,69 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
 		if (cnt >= getaddrs.addr_num) break;
 	}
 	getaddrs.addr_num = cnt;
-	if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs)))
+	if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs_old)))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
+				      char __user *optval, int __user *optlen)
+{
+	struct sctp_association *asoc;
+	struct list_head *pos;
+	int cnt = 0;
+	struct sctp_getaddrs getaddrs;
+	struct sctp_transport *from;
+	void __user *to;
+	union sctp_addr temp;
+	struct sctp_sock *sp = sctp_sk(sk);
+	int addrlen;
+	size_t space_left;
+	int bytes_copied;
+
+	if (len < sizeof(struct sctp_getaddrs))
+		return -EINVAL;
+
+	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
+		return -EFAULT;
+
+	/* For UDP-style sockets, id specifies the association to query.  */
+	asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
+	if (!asoc)
+		return -EINVAL;
+
+	to = optval + offsetof(struct sctp_getaddrs,addrs);
+	space_left = len - sizeof(struct sctp_getaddrs) - 
+			offsetof(struct sctp_getaddrs,addrs);
+
+	list_for_each(pos, &asoc->peer.transport_addr_list) {
+		from = list_entry(pos, struct sctp_transport, transports);
+		memcpy(&temp, &from->ipaddr, sizeof(temp));
+		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
+		addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
+		if(space_left < addrlen)
+			return -ENOMEM;
+		temp.v4.sin_port = htons(temp.v4.sin_port);
+		if (copy_to_user(to, &temp, addrlen))
+			return -EFAULT;
+		to += addrlen;
+		cnt++;
+		space_left -= addrlen;
+	}
+
+	if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num))
+		return -EFAULT;
+	bytes_copied = ((char __user *)to) - optval;
+	if (put_user(bytes_copied, optlen))
 		return -EFAULT;
 
 	return 0;
 }
 
-static int sctp_getsockopt_local_addrs_num(struct sock *sk, int len,
-						char __user *optval,
-						int __user *optlen)
+static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len,
+					       char __user *optval,
+					       int __user *optlen)
 {
 	sctp_assoc_t id;
 	struct sctp_bind_addr *bp;
@@ -3306,8 +3366,8 @@ done:
 /* Helper function that copies local addresses to user and returns the number
  * of addresses copied.
  */
-static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port, int max_addrs,
-				    void __user *to)
+static int sctp_copy_laddrs_to_user_old(struct sock *sk, __u16 port, int max_addrs,
+					void __user *to)
 {
 	struct list_head *pos;
 	struct sctp_sockaddr_entry *addr;
@@ -3341,14 +3401,54 @@ static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port, int max_addrs,
 	return cnt;
 }
 
-static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
-				       char __user *optval, int __user *optlen)
+static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port,
+				    void * __user *to, size_t space_left)
+{
+	struct list_head *pos;
+	struct sctp_sockaddr_entry *addr;
+	unsigned long flags;
+	union sctp_addr temp;
+	int cnt = 0;
+	int addrlen;
+
+	sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags);
+	list_for_each(pos, &sctp_local_addr_list) {
+		addr = list_entry(pos, struct sctp_sockaddr_entry, list);
+		if ((PF_INET == sk->sk_family) && 
+		    (AF_INET6 == addr->a.sa.sa_family))
+			continue;
+		memcpy(&temp, &addr->a, sizeof(temp));
+		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
+								&temp);
+		addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
+		if(space_left<addrlen)
+			return -ENOMEM;
+		temp.v4.sin_port = htons(port);
+		if (copy_to_user(*to, &temp, addrlen)) {
+			sctp_spin_unlock_irqrestore(&sctp_local_addr_lock,
+						    flags);
+			return -EFAULT;
+		}
+		*to += addrlen;
+		cnt ++;
+		space_left -= addrlen;
+	}
+	sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags);
+
+	return cnt;
+}
+
+/* Old API for getting list of local addresses. Does not work for 32-bit
+ * programs running on a 64-bit kernel
+ */
+static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len,
+					   char __user *optval, int __user *optlen)
 {
 	struct sctp_bind_addr *bp;
 	struct sctp_association *asoc;
 	struct list_head *pos;
 	int cnt = 0;
-	struct sctp_getaddrs getaddrs;
+	struct sctp_getaddrs_old getaddrs;
 	struct sctp_sockaddr_entry *addr;
 	void __user *to;
 	union sctp_addr temp;
@@ -3357,10 +3457,10 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
 	rwlock_t *addr_lock;
 	int err = 0;
 
-	if (len != sizeof(struct sctp_getaddrs))
+	if (len != sizeof(struct sctp_getaddrs_old))
 		return -EINVAL;
 
-	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
+	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs_old)))
 		return -EFAULT;
 
 	if (getaddrs.addr_num <= 0) return -EINVAL;
@@ -3392,8 +3492,9 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
 		addr = list_entry(bp->address_list.next,
 				  struct sctp_sockaddr_entry, list);
 		if (sctp_is_any(&addr->a)) {
-			cnt = sctp_copy_laddrs_to_user(sk, bp->port,
-						       getaddrs.addr_num, to);
+			cnt = sctp_copy_laddrs_to_user_old(sk, bp->port,
+							   getaddrs.addr_num,
+							   to);
 			if (cnt < 0) {
 				err = cnt;
 				goto unlock;
@@ -3419,7 +3520,7 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
 
 copy_getaddrs:
 	getaddrs.addr_num = cnt;
-	if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs)))
+	if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs_old)))
 		err = -EFAULT;
 
 unlock:
@@ -3427,6 +3528,99 @@ unlock:
 	return err;
 }
 
+static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
+				       char __user *optval, int __user *optlen)
+{
+	struct sctp_bind_addr *bp;
+	struct sctp_association *asoc;
+	struct list_head *pos;
+	int cnt = 0;
+	struct sctp_getaddrs getaddrs;
+	struct sctp_sockaddr_entry *addr;
+	void __user *to;
+	union sctp_addr temp;
+	struct sctp_sock *sp = sctp_sk(sk);
+	int addrlen;
+	rwlock_t *addr_lock;
+	int err = 0;
+	size_t space_left;
+	int bytes_copied;
+
+	if (len <= sizeof(struct sctp_getaddrs))
+		return -EINVAL;
+
+	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
+		return -EFAULT;
+
+	/*
+	 *  For UDP-style sockets, id specifies the association to query.
+	 *  If the id field is set to the value '0' then the locally bound
+	 *  addresses are returned without regard to any particular
+	 *  association.
+	 */
+	if (0 == getaddrs.assoc_id) {
+		bp = &sctp_sk(sk)->ep->base.bind_addr;
+		addr_lock = &sctp_sk(sk)->ep->base.addr_lock;
+	} else {
+		asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
+		if (!asoc)
+			return -EINVAL;
+		bp = &asoc->base.bind_addr;
+		addr_lock = &asoc->base.addr_lock;
+	}
+
+	to = optval + offsetof(struct sctp_getaddrs,addrs);
+	space_left = len - sizeof(struct sctp_getaddrs) -
+			 offsetof(struct sctp_getaddrs,addrs);
+
+	sctp_read_lock(addr_lock);
+
+	/* If the endpoint is bound to 0.0.0.0 or ::0, get the valid
+	 * addresses from the global local address list.
+	 */
+	if (sctp_list_single_entry(&bp->address_list)) {
+		addr = list_entry(bp->address_list.next,
+				  struct sctp_sockaddr_entry, list);
+		if (sctp_is_any(&addr->a)) {
+			cnt = sctp_copy_laddrs_to_user(sk, bp->port,
+						       &to, space_left);
+			if (cnt < 0) {
+				err = cnt;
+				goto unlock;
+			}
+			goto copy_getaddrs;		
+		}
+	}
+
+	list_for_each(pos, &bp->address_list) {
+		addr = list_entry(pos, struct sctp_sockaddr_entry, list);
+		memcpy(&temp, &addr->a, sizeof(temp));
+		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
+		addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
+		if(space_left < addrlen)
+			return -ENOMEM; /*fixme: right error?*/
+		temp.v4.sin_port = htons(temp.v4.sin_port);
+		if (copy_to_user(to, &temp, addrlen)) {
+			err = -EFAULT;
+			goto unlock;
+		}
+		to += addrlen;
+		cnt ++;
+		space_left -= addrlen;
+	}
+
+copy_getaddrs:
+	if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num))
+		return -EFAULT;
+	bytes_copied = ((char __user *)to) - optval;
+	if (put_user(bytes_copied, optlen))
+		return -EFAULT;
+
+unlock:
+	sctp_read_unlock(addr_lock);
+	return err;
+}
+
 /* 7.1.10 Set Primary Address (SCTP_PRIMARY_ADDR)
  *
  * Requests that the local SCTP stack use the enclosed peer address as
@@ -3807,12 +4001,20 @@ SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
 	case SCTP_INITMSG:
 		retval = sctp_getsockopt_initmsg(sk, len, optval, optlen);
 		break;
-	case SCTP_GET_PEER_ADDRS_NUM:
-		retval = sctp_getsockopt_peer_addrs_num(sk, len, optval,
+	case SCTP_GET_PEER_ADDRS_NUM_OLD:
+		retval = sctp_getsockopt_peer_addrs_num_old(sk, len, optval,
+							    optlen);
+		break;
+	case SCTP_GET_LOCAL_ADDRS_NUM_OLD:
+		retval = sctp_getsockopt_local_addrs_num_old(sk, len, optval,
+							     optlen);
+		break;
+	case SCTP_GET_PEER_ADDRS_OLD:
+		retval = sctp_getsockopt_peer_addrs_old(sk, len, optval,
 							optlen);
 		break;
-	case SCTP_GET_LOCAL_ADDRS_NUM:
-		retval = sctp_getsockopt_local_addrs_num(sk, len, optval,
+	case SCTP_GET_LOCAL_ADDRS_OLD:
+		retval = sctp_getsockopt_local_addrs_old(sk, len, optval,
 							 optlen);
 		break;
 	case SCTP_GET_PEER_ADDRS:
diff --git a/net/sctp/ssnmap.c b/net/sctp/ssnmap.c
index 25037da..cbe2513 100644
--- a/net/sctp/ssnmap.c
+++ b/net/sctp/ssnmap.c
@@ -58,7 +58,7 @@ static inline size_t sctp_ssnmap_size(__u16 in, __u16 out)
  * Allocate room to store at least 'len' contiguous TSNs.
  */
 struct sctp_ssnmap *sctp_ssnmap_new(__u16 in, __u16 out,
-				    unsigned int __nocast gfp)
+				    gfp_t gfp)
 {
 	struct sctp_ssnmap *retval;
 	int size;
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index d2f04eb..6bc2720 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -57,7 +57,7 @@
 /* Initialize a new transport from provided memory.  */
 static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
 						  const union sctp_addr *addr,
-						  unsigned int __nocast gfp)
+						  gfp_t gfp)
 {
 	/* Copy in the address.  */
 	peer->ipaddr = *addr;
@@ -122,7 +122,7 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
 
 /* Allocate and initialize a new transport.  */
 struct sctp_transport *sctp_transport_new(const union sctp_addr *addr,
-					  unsigned int __nocast gfp)
+					  gfp_t gfp)
 {
         struct sctp_transport *transport;
 
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index 0abd510..057e7fa 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -74,7 +74,7 @@ SCTP_STATIC void sctp_ulpevent_init(struct sctp_ulpevent *event, int msg_flags)
 
 /* Create a new sctp_ulpevent.  */
 SCTP_STATIC struct sctp_ulpevent *sctp_ulpevent_new(int size, int msg_flags,
-						    unsigned int __nocast gfp)
+						    gfp_t gfp)
 {
 	struct sctp_ulpevent *event;
 	struct sk_buff *skb;
@@ -136,7 +136,7 @@ static inline void sctp_ulpevent_release_owner(struct sctp_ulpevent *event)
 struct sctp_ulpevent  *sctp_ulpevent_make_assoc_change(
 	const struct sctp_association *asoc,
 	__u16 flags, __u16 state, __u16 error, __u16 outbound,
-	__u16 inbound, unsigned int __nocast gfp)
+	__u16 inbound, gfp_t gfp)
 {
 	struct sctp_ulpevent *event;
 	struct sctp_assoc_change *sac;
@@ -237,7 +237,7 @@ fail:
 struct sctp_ulpevent *sctp_ulpevent_make_peer_addr_change(
 	const struct sctp_association *asoc,
 	const struct sockaddr_storage *aaddr,
-	int flags, int state, int error, unsigned int __nocast gfp)
+	int flags, int state, int error, gfp_t gfp)
 {
 	struct sctp_ulpevent *event;
 	struct sctp_paddr_change  *spc;
@@ -350,7 +350,7 @@ fail:
  */
 struct sctp_ulpevent *sctp_ulpevent_make_remote_error(
 	const struct sctp_association *asoc, struct sctp_chunk *chunk,
-	__u16 flags, unsigned int __nocast gfp)
+	__u16 flags, gfp_t gfp)
 {
 	struct sctp_ulpevent *event;
 	struct sctp_remote_error *sre;
@@ -448,7 +448,7 @@ fail:
  */
 struct sctp_ulpevent *sctp_ulpevent_make_send_failed(
 	const struct sctp_association *asoc, struct sctp_chunk *chunk,
-	__u16 flags, __u32 error, unsigned int __nocast gfp)
+	__u16 flags, __u32 error, gfp_t gfp)
 {
 	struct sctp_ulpevent *event;
 	struct sctp_send_failed *ssf;
@@ -557,7 +557,7 @@ fail:
  */
 struct sctp_ulpevent *sctp_ulpevent_make_shutdown_event(
 	const struct sctp_association *asoc,
-	__u16 flags, unsigned int __nocast gfp)
+	__u16 flags, gfp_t gfp)
 {
 	struct sctp_ulpevent *event;
 	struct sctp_shutdown_event *sse;
@@ -620,7 +620,7 @@ fail:
  * 5.3.1.6 SCTP_ADAPTION_INDICATION
  */
 struct sctp_ulpevent *sctp_ulpevent_make_adaption_indication(
-	const struct sctp_association *asoc, unsigned int __nocast gfp)
+	const struct sctp_association *asoc, gfp_t gfp)
 {
 	struct sctp_ulpevent *event;
 	struct sctp_adaption_event *sai;
@@ -657,7 +657,7 @@ fail:
  */
 struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc,
 						struct sctp_chunk *chunk,
-						unsigned int __nocast gfp)
+						gfp_t gfp)
 {
 	struct sctp_ulpevent *event = NULL;
 	struct sk_buff *skb;
@@ -719,7 +719,7 @@ fail:
  */
 struct sctp_ulpevent *sctp_ulpevent_make_pdapi(
 	const struct sctp_association *asoc, __u32 indication,
-	unsigned int __nocast gfp)
+	gfp_t gfp)
 {
 	struct sctp_ulpevent *event;
 	struct sctp_pdapi_event *pd;
diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
index ec2c857..2080b2d 100644
--- a/net/sctp/ulpqueue.c
+++ b/net/sctp/ulpqueue.c
@@ -100,7 +100,7 @@ void sctp_ulpq_free(struct sctp_ulpq *ulpq)
 
 /* Process an incoming DATA chunk.  */
 int sctp_ulpq_tail_data(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
-			unsigned int __nocast gfp)
+			gfp_t gfp)
 {
 	struct sk_buff_head temp;
 	sctp_data_chunk_t *hdr;
@@ -792,7 +792,7 @@ static __u16 sctp_ulpq_renege_frags(struct sctp_ulpq *ulpq, __u16 needed)
 /* Partial deliver the first message as there is pressure on rwnd. */
 void sctp_ulpq_partial_delivery(struct sctp_ulpq *ulpq,
 				struct sctp_chunk *chunk,
-				unsigned int __nocast gfp)
+				gfp_t gfp)
 {
 	struct sctp_ulpevent *event;
 	struct sctp_association *asoc;
@@ -816,7 +816,7 @@ void sctp_ulpq_partial_delivery(struct sctp_ulpq *ulpq,
 
 /* Renege some packets to make room for an incoming chunk.  */
 void sctp_ulpq_renege(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
-		      unsigned int __nocast gfp)
+		      gfp_t gfp)
 {
 	struct sctp_association *asoc;
 	__u16 needed, freed;
@@ -855,7 +855,7 @@ void sctp_ulpq_renege(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
 /* Notify the application if an association is aborted and in
  * partial delivery mode.  Send up any pending received messages.
  */
-void sctp_ulpq_abort_pd(struct sctp_ulpq *ulpq, unsigned int __nocast gfp)
+void sctp_ulpq_abort_pd(struct sctp_ulpq *ulpq, gfp_t gfp)
 {
 	struct sctp_ulpevent *ev = NULL;
 	struct sock *sk;