Manual merge.

9 files changed, 391 insertions, 276 deletions

diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index f730dd55f5ad..1320363d12d2 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -182,7 +182,7 @@ typedef struct {
 /* Create a new sctp_command_sequence.
  * Return NULL if creating a new sequence fails.
  */
-sctp_cmd_seq_t *sctp_new_cmd_seq(int priority);
+sctp_cmd_seq_t *sctp_new_cmd_seq(int gfp);
 
 /* Initialize a block of memory as a command sequence.
  * Return 0 if the initialization fails.
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 0d6a20a7390e..9cdd0e551c19 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -6,46 +6,42 @@
  *
  * This file is part of the SCTP kernel reference Implementation
  *
- * This file is part of the implementation of the add-IP extension,
- * based on <draft-ietf-tsvwg-addip-sctp-02.txt> June 29, 2001,
- * for the SCTP kernel reference Implementation.
- *
- * The SCTP reference implementation  is free software;
+ * The SCTP reference implementation is free software;
  * you can redistribute it and/or modify it under the terms of
  * the GNU General Public License as published by
  * the Free Software Foundation; either version 2, or (at your option)
  * any later version.
  *
- * the SCTP reference implementation  is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ * The SCTP reference implementation is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  *                 ************************
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with GNU CC; see the file COPYING.  If not, write to
  * the Free Software Foundation, 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  *
- * Please send any bug reports or fixes you make to one of the following email
- * addresses:
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ *    lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ *    http://www.sf.net/projects/lksctp
  *
- * La Monte H.P. Yarroll <piggy@acm.org>
- * Karl Knutson <karl@athena.chicago.il.us>
- * Randall Stewart <randall@stewart.chicago.il.us>
- * Ken Morneau <kmorneau@cisco.com>
- * Qiaobing Xie <qxie1@motorola.com>
- * Xingang Guo <xingang.guo@intel.com>
- * Sridhar Samudrala <samudrala@us.ibm.com>
- * Daisy Chang <daisyc@us.ibm.com>
+ * Written or modified by:
+ *   La Monte H.P. Yarroll <piggy@acm.org>
+ *   Karl Knutson          <karl@athena.chicago.il.us>
+ *   Randall Stewart       <randall@stewart.chicago.il.us>
+ *   Ken Morneau           <kmorneau@cisco.com>
+ *   Qiaobing Xie          <qxie1@motorola.com>
+ *   Xingang Guo           <xingang.guo@intel.com>
+ *   Sridhar Samudrala     <samudrala@us.ibm.com>
+ *   Daisy Chang           <daisyc@us.ibm.com>
  *
  * Any bugs reported given to us we will try to fix... any fixes shared will
  * be incorporated into the next SCTP release.
- *
- * There are still LOTS of bugs in this code... I always run on the motto
- * "it is a wonder any code ever works :)"
- *
- *
  */
 
 #ifndef __sctp_constants_h__
@@ -220,7 +216,7 @@ typedef enum {
  * - A socket in SCTP_SS_LISTENING state indicates that it is willing to
  *   accept new associations, but cannot initiate the creation of new ones.
  * - A socket in SCTP_SS_ESTABLISHED state indicates that it has a single 
- *   association in ESTABLISHED state.
+ *   association.
  */
 typedef enum {
 	SCTP_SS_CLOSED         = TCP_CLOSE,
@@ -336,10 +332,18 @@ typedef enum {
 
 #define SCTP_SIGNATURE_SIZE 20	        /* size of a SLA-1 signature */
 
-#define SCTP_COOKIE_MULTIPLE 64 /* Pad out our cookie to make our hash
+#define SCTP_COOKIE_MULTIPLE 32 /* Pad out our cookie to make our hash
 				 * functions simpler to write.
 				 */
 
+#if defined (CONFIG_SCTP_HMAC_MD5)
+#define SCTP_COOKIE_HMAC_ALG "md5"
+#elif defined (CONFIG_SCTP_HMAC_SHA1)
+#define SCTP_COOKIE_HMAC_ALG "sha1"
+#else
+#define SCTP_COOKIE_HMAC_ALG NULL
+#endif
+
 /* These return values describe the success or failure of a number of
  * routines which form the lower interface to SCTP_outqueue.
  */
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index f964badf7062..501e41da70a3 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -125,65 +125,61 @@ extern struct sctp_protocol sctp_proto;
 extern struct sock *sctp_get_ctl_sock(void);
 extern int sctp_copy_local_addr_list(struct sctp_protocol  *,
 				     struct sctp_bind_addr *,
-				     sctp_scope_t, int priority, int flags);
+				     sctp_scope_t, int gfp, int flags);
 extern struct sctp_pf *sctp_get_pf_specific(sa_family_t family);
 extern int sctp_register_pf(struct sctp_pf *, sa_family_t);
 
 /*
  * sctp/socket.c
  */
-extern int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb);
-extern int sctp_inet_listen(struct socket *sock, int backlog);
-extern void sctp_write_space(struct sock *sk);
-extern unsigned int sctp_poll(struct file *file, struct socket *sock,
+int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb);
+int sctp_inet_listen(struct socket *sock, int backlog);
+void sctp_write_space(struct sock *sk);
+unsigned int sctp_poll(struct file *file, struct socket *sock,
 		poll_table *wait);
 
 /*
  * sctp/primitive.c
  */
-extern int sctp_primitive_ASSOCIATE(sctp_association_t *, void *arg);
-extern int sctp_primitive_SHUTDOWN(sctp_association_t *, void *arg);
-extern int sctp_primitive_ABORT(sctp_association_t *, void *arg);
-extern int sctp_primitive_SEND(sctp_association_t *, void *arg);
-extern int sctp_primitive_REQUESTHEARTBEAT(sctp_association_t *, void *arg);
+int sctp_primitive_ASSOCIATE(struct sctp_association *, void *arg);
+int sctp_primitive_SHUTDOWN(struct sctp_association *, void *arg);
+int sctp_primitive_ABORT(struct sctp_association *, void *arg);
+int sctp_primitive_SEND(struct sctp_association *, void *arg);
+int sctp_primitive_REQUESTHEARTBEAT(struct sctp_association *, void *arg);
 
 /*
  * sctp/crc32c.c
  */
-extern __u32 sctp_start_cksum(__u8 *ptr, __u16 count);
-extern __u32 sctp_update_cksum(__u8 *ptr, __u16 count, __u32 cksum);
-extern __u32 sctp_end_cksum(__u32 cksum);
+__u32 sctp_start_cksum(__u8 *ptr, __u16 count);
+__u32 sctp_update_cksum(__u8 *ptr, __u16 count, __u32 cksum);
+__u32 sctp_end_cksum(__u32 cksum);
+__u32 sctp_update_copy_cksum(__u8 *, __u8 *, __u16 count, __u32 cksum);
 
 /*
  * sctp/input.c
  */
-extern int sctp_rcv(struct sk_buff *skb);
-extern void sctp_v4_err(struct sk_buff *skb, u32 info);
-extern void sctp_hash_established(sctp_association_t *);
-extern void __sctp_hash_established(sctp_association_t *);
-extern void sctp_unhash_established(sctp_association_t *);
-extern void __sctp_unhash_established(sctp_association_t *);
-extern void sctp_hash_endpoint(sctp_endpoint_t *);
-extern void __sctp_hash_endpoint(sctp_endpoint_t *);
-extern void sctp_unhash_endpoint(sctp_endpoint_t *);
-extern void __sctp_unhash_endpoint(sctp_endpoint_t *);
-extern sctp_association_t *__sctp_lookup_association(const union sctp_addr *,
-						     const union sctp_addr *,
-						     struct sctp_transport **);
-extern struct sock *sctp_err_lookup(int family, struct sk_buff *,
-				    struct sctphdr *, struct sctp_endpoint **, 
-				    struct sctp_association **, 
-				    struct sctp_transport **);
-extern void sctp_err_finish(struct sock *, struct sctp_endpoint *, 
+int sctp_rcv(struct sk_buff *skb);
+void sctp_v4_err(struct sk_buff *skb, u32 info);
+void sctp_hash_established(struct sctp_association *);
+void __sctp_hash_established(struct sctp_association *);
+void sctp_unhash_established(struct sctp_association *);
+void __sctp_unhash_established(struct sctp_association *);
+void sctp_hash_endpoint(struct sctp_endpoint *);
+void __sctp_hash_endpoint(struct sctp_endpoint *);
+void sctp_unhash_endpoint(struct sctp_endpoint *);
+void __sctp_unhash_endpoint(struct sctp_endpoint *);
+struct sctp_association *__sctp_lookup_association(
+	const union sctp_addr *,
+	const union sctp_addr *,
+	struct sctp_transport **);
+struct sock *sctp_err_lookup(int family, struct sk_buff *,
+			     struct sctphdr *, struct sctp_endpoint **,
+			     struct sctp_association **,
+			     struct sctp_transport **);
+void sctp_err_finish(struct sock *, struct sctp_endpoint *,
 			    struct sctp_association *);
-extern void sctp_icmp_frag_needed(struct sock *, struct sctp_association *,
-				  struct sctp_transport *t, __u32 pmtu);
-/*
- * sctp/hashdriver.c
- */
-extern void sctp_hash_digest(const char *secret, const int secret_len,
-			     const char *text, const int text_len,
-			     __u8 *digest);
+void sctp_icmp_frag_needed(struct sock *, struct sctp_association *,
+			   struct sctp_transport *t, __u32 pmtu);
 
 /*
  *  Section:  Macros, externs, and inlines
@@ -281,6 +277,7 @@ extern atomic_t sctp_dbg_objcnt_chunk;
 extern atomic_t sctp_dbg_objcnt_bind_addr;
 extern atomic_t sctp_dbg_objcnt_addr;
 extern atomic_t sctp_dbg_objcnt_ssnmap;
+extern atomic_t sctp_dbg_objcnt_datamsg;
 
 /* Macros to atomically increment/decrement objcnt counters.  */
 #define SCTP_DBG_OBJCNT_INC(name) \
@@ -296,8 +293,8 @@ atomic_t sctp_dbg_objcnt_## name = ATOMIC_INIT(0)
 #define SCTP_DBG_OBJCNT_ENTRY(name) \
 {.label= #name, .counter= &sctp_dbg_objcnt_## name}
 
-extern void sctp_dbg_objcnt_init(void);
-extern void sctp_dbg_objcnt_exit(void);
+void sctp_dbg_objcnt_init(void);
+void sctp_dbg_objcnt_exit(void);
 
 #else
 
@@ -310,8 +307,8 @@ static inline void sctp_dbg_objcnt_exit(void) { return; }
 #endif /* CONFIG_SCTP_DBG_OBJCOUNT */
 
 #if defined CONFIG_SYSCTL
-extern void sctp_sysctl_register(void);
-extern void sctp_sysctl_unregister(void);
+void sctp_sysctl_register(void);
+void sctp_sysctl_unregister(void);
 #else
 static inline void sctp_sysctl_register(void) { return; }
 static inline void sctp_sysctl_unregister(void) { return; }
@@ -322,9 +319,9 @@ static inline void sctp_sysctl_unregister(void) { return; }
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 
-extern int sctp_v6_init(void);
-extern void sctp_v6_exit(void);
-extern void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+int sctp_v6_init(void);
+void sctp_v6_exit(void);
+void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 			int type, int code, int offset, __u32 info);
 
 #else /* #ifdef defined(CONFIG_IPV6) */
@@ -334,15 +331,26 @@ static inline void sctp_v6_exit(void) { return; }
 
 #endif /* #if defined(CONFIG_IPV6) */
 
+/* Some wrappers, in case crypto not available. */
+#if defined (CONFIG_CRYPTO_HMAC)
+#define sctp_crypto_alloc_tfm crypto_alloc_tfm
+#define sctp_crypto_free_tfm crypto_free_tfm
+#define sctp_crypto_hmac crypto_hmac
+#else
+#define sctp_crypto_alloc_tfm(x...) NULL
+#define sctp_crypto_free_tfm(x...)
+#define sctp_crypto_hmac(x...)
+#endif
+
+
 /* Map an association to an assoc_id. */
-static inline sctp_assoc_t sctp_assoc2id(const sctp_association_t *asoc)
+static inline sctp_assoc_t sctp_assoc2id(const struct sctp_association *asoc)
 {
 	return (sctp_assoc_t) asoc;
 }
 
-
 /* Look up the association by its id.  */
-sctp_association_t *sctp_id2assoc(struct sock *sk, sctp_assoc_t id);
+struct sctp_association *sctp_id2assoc(struct sock *sk, sctp_assoc_t id);
 
 
 /* A macro to walk a list of skbs.  */
@@ -422,12 +430,16 @@ static inline __s32 sctp_jitter(__u32 rto)
 }
 
 /* Break down data chunks at this point.  */
-static inline int sctp_frag_point(int pmtu)
+static inline int sctp_frag_point(const struct sctp_opt *sp, int pmtu)
 {
-	pmtu -= SCTP_IP_OVERHEAD + sizeof(struct sctp_data_chunk);
-	pmtu -= sizeof(struct sctp_sack_chunk);
+	int frag = pmtu;
+	frag -= SCTP_IP_OVERHEAD + sizeof(struct sctp_data_chunk);
+	frag -= sizeof(struct sctp_sack_chunk);
 
-	return pmtu;
+	if (sp->user_frag)
+		frag = min_t(int, frag, sp->user_frag);
+
+	return frag;
 }
 
 /* Walk through a list of TLV parameters.  Don't trust the
@@ -475,7 +487,7 @@ static inline void tv_add(const struct timeval *entered, struct timeval *leaved)
 
 extern struct proto sctp_prot;
 extern struct proc_dir_entry *proc_net_sctp;
-extern void sctp_put_port(struct sock *sk);
+void sctp_put_port(struct sock *sk);
 
 /* Static inline functions. */
 
@@ -501,10 +513,10 @@ static inline int ipver2af(__u8 ipver)
 /* Perform some sanity checks. */
 static inline int sctp_sanity_check(void)
 {
-	SCTP_ASSERT(sizeof(struct sctp_ulpevent) <= 
+	SCTP_ASSERT(sizeof(struct sctp_ulpevent) <=
 		    sizeof(((struct sk_buff *)0)->cb),
 		    "SCTP: ulpevent does not fit in skb!\n", return 0);
-	
+
 	return 1;
 }
 
@@ -566,4 +578,26 @@ struct sctp6_sock {
 
 #define sctp_sk(__sk) (&((struct sctp_sock *)__sk)->sctp)
 
+/* Is a socket of this style? */
+#define sctp_style(sk, style) __sctp_style((sk), (SCTP_SOCKET_##style))
+int static inline __sctp_style(const struct sock *sk, sctp_socket_type_t style)
+{
+	return sctp_sk(sk)->type == style;
+}
+
+/* Is the association in this state? */
+#define sctp_state(asoc, state) __sctp_state((asoc), (SCTP_STATE_##state))
+int static inline __sctp_state(const struct sctp_association *asoc, 
+			       sctp_state_t state)
+{
+	return asoc->state == state;
+}
+
+/* Is the socket in this state? */
+#define sctp_sstate(sk, state) __sctp_sstate((sk), (SCTP_SS_##state))
+int static inline __sctp_sstate(const struct sock *sk, sctp_sock_state_t state)
+{
+	return sk->state == state;
+}
+
 #endif /* __net_sctp_h__ */
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 6b9a30330630..787d77832290 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -6,10 +6,6 @@
  *
  * This file is part of the SCTP kernel reference Implementation
  *
- * This file is part of the implementation of the add-IP extension,
- * based on <draft-ietf-tsvwg-addip-sctp-02.txt> June 29, 2001,
- * for the SCTP kernel reference Implementation.
- *
  * These are definitions needed by the state machine.
  *
  * The SCTP reference implementation is free software;
@@ -50,7 +46,6 @@
  * be incorporated into the next SCTP release.
  */
 
-
 #include <linux/types.h>
 #include <linux/compiler.h>
 #include <linux/slab.h>
@@ -81,8 +76,8 @@ typedef struct {
 	int action;
 } sctp_sm_command_t;
 
-typedef sctp_disposition_t (sctp_state_fn_t) (const sctp_endpoint_t *,
-					      const sctp_association_t *,
+typedef sctp_disposition_t (sctp_state_fn_t) (const struct sctp_endpoint *,
+					      const struct sctp_association *,
 					      const sctp_subtype_t type,
 					      void *arg,
 					      sctp_cmd_seq_t *);
@@ -209,109 +204,104 @@ __u32 sctp_generate_verification_tag(void);
 void sctp_populate_tie_tags(__u8 *cookie, __u32 curTag, __u32 hisTag);
 
 /* Prototypes for chunk-building functions.  */
-sctp_chunk_t *sctp_make_init(const sctp_association_t *,
-			     const sctp_bind_addr_t *,
-			     int priority, int vparam_len);
-sctp_chunk_t *sctp_make_init_ack(const sctp_association_t *,
-				 const sctp_chunk_t *,
-				 const int priority,
+struct sctp_chunk *sctp_make_init(const struct sctp_association *,
+			     const struct sctp_bind_addr *,
+			     int gfp, int vparam_len);
+struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *,
+				 const struct sctp_chunk *,
+				 const int gfp,
 				 const int unkparam_len);
-sctp_chunk_t *sctp_make_cookie_echo(const sctp_association_t *,
-				    const sctp_chunk_t *);
-sctp_chunk_t *sctp_make_cookie_ack(const sctp_association_t *,
-				   const sctp_chunk_t *);
-sctp_chunk_t *sctp_make_cwr(const sctp_association_t *,
+struct sctp_chunk *sctp_make_cookie_echo(const struct sctp_association *,
+				    const struct sctp_chunk *);
+struct sctp_chunk *sctp_make_cookie_ack(const struct sctp_association *,
+				   const struct sctp_chunk *);
+struct sctp_chunk *sctp_make_cwr(const struct sctp_association *,
 				 const __u32 lowest_tsn,
-				 const sctp_chunk_t *);
-sctp_chunk_t *sctp_make_datafrag(sctp_association_t *,
+				 const struct sctp_chunk *);
+struct sctp_chunk *sctp_make_datafrag(struct sctp_association *,
 				 const struct sctp_sndrcvinfo *sinfo,
 				 int len, const __u8 *data,
 				 __u8 flags, __u16 ssn);
-sctp_chunk_t * sctp_make_datafrag_empty(sctp_association_t *,
+struct sctp_chunk * sctp_make_datafrag_empty(struct sctp_association *,
 					const struct sctp_sndrcvinfo *sinfo,
 					int len, const __u8 flags,
 					__u16 ssn);
-sctp_chunk_t *sctp_make_data(sctp_association_t *,
+struct sctp_chunk *sctp_make_data(struct sctp_association *,
 			     const struct sctp_sndrcvinfo *sinfo,
 			     int len, const __u8 *data);
-sctp_chunk_t *sctp_make_data_empty(sctp_association_t *,
+struct sctp_chunk *sctp_make_data_empty(struct sctp_association *,
 				   const struct sctp_sndrcvinfo *, int len);
-sctp_chunk_t *sctp_make_ecne(const sctp_association_t *,
+struct sctp_chunk *sctp_make_ecne(const struct sctp_association *,
 				  const __u32);
-sctp_chunk_t *sctp_make_sack(const sctp_association_t *);
-sctp_chunk_t *sctp_make_shutdown(const sctp_association_t *asoc);
-sctp_chunk_t *sctp_make_shutdown_ack(const sctp_association_t *asoc,
-					  const sctp_chunk_t *);
-sctp_chunk_t *sctp_make_shutdown_complete(const sctp_association_t *,
-					  const sctp_chunk_t *);
-void sctp_init_cause(sctp_chunk_t *, __u16 cause, const void *, size_t);
-sctp_chunk_t *sctp_make_abort(const sctp_association_t *,
-			      const sctp_chunk_t *,
+struct sctp_chunk *sctp_make_sack(const struct sctp_association *);
+struct sctp_chunk *sctp_make_shutdown(const struct sctp_association *asoc);
+struct sctp_chunk *sctp_make_shutdown_ack(const struct sctp_association *asoc,
+					  const struct sctp_chunk *);
+struct sctp_chunk *sctp_make_shutdown_complete(const struct sctp_association *,
+					  const struct sctp_chunk *);
+void sctp_init_cause(struct sctp_chunk *, __u16 cause, const void *, size_t);
+struct sctp_chunk *sctp_make_abort(const struct sctp_association *,
+			      const struct sctp_chunk *,
 			      const size_t hint);
-sctp_chunk_t *sctp_make_abort_no_data(const sctp_association_t *,
-				      const sctp_chunk_t *,
+struct sctp_chunk *sctp_make_abort_no_data(const struct sctp_association *,
+				      const struct sctp_chunk *,
 				      __u32 tsn);
-sctp_chunk_t *sctp_make_abort_user(const sctp_association_t *,
-				   const sctp_chunk_t *,
+struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *,
+				   const struct sctp_chunk *,
 				   const struct msghdr *);
-sctp_chunk_t *sctp_make_heartbeat(const sctp_association_t *,
+struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *,
 				  const struct sctp_transport *,
 				  const void *payload,
 				  const size_t paylen);
-sctp_chunk_t *sctp_make_heartbeat_ack(const sctp_association_t *,
-				      const sctp_chunk_t *,
+struct sctp_chunk *sctp_make_heartbeat_ack(const struct sctp_association *,
+				      const struct sctp_chunk *,
 				      const void *payload,
 				      const size_t paylen);
-sctp_chunk_t *sctp_make_op_error(const sctp_association_t *,
-				 const sctp_chunk_t *chunk,
+struct sctp_chunk *sctp_make_op_error(const struct sctp_association *,
+				 const struct sctp_chunk *chunk,
 				 __u16 cause_code,
 				 const void *payload,
 				 size_t paylen);
-void sctp_chunk_assign_tsn(sctp_chunk_t *);
-void sctp_chunk_assign_ssn(sctp_chunk_t *);
-int sctp_datachunks_from_user(sctp_association_t *,
-			      const struct sctp_sndrcvinfo *,
-			      struct msghdr *, int len,
-			      struct sk_buff_head *);
-
+void sctp_chunk_assign_tsn(struct sctp_chunk *);
+void sctp_chunk_assign_ssn(struct sctp_chunk *);
 
 /* Prototypes for statetable processing. */
 
 int sctp_do_sm(sctp_event_t event_type, sctp_subtype_t subtype,
 	       sctp_state_t state,
-               sctp_endpoint_t *,
-               sctp_association_t *asoc,
+               struct sctp_endpoint *,
+               struct sctp_association *asoc,
                void *event_arg,
-               int priority);
+               int gfp);
 
 int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype,
 		      sctp_state_t state,
-                      sctp_endpoint_t *,
-                      sctp_association_t *asoc,
+                      struct sctp_endpoint *,
+                      struct sctp_association *asoc,
                       void *event_arg,
                       sctp_disposition_t status,
 		      sctp_cmd_seq_t *commands,
-                      int priority);
+                      int gfp);
 
 /* 2nd level prototypes */
 int
 sctp_cmd_interpreter(sctp_event_t event_type, sctp_subtype_t subtype,
 		     sctp_state_t state,
-		     sctp_endpoint_t *ep,
-		     sctp_association_t *asoc,
+		     struct sctp_endpoint *ep,
+		     struct sctp_association *asoc,
 		     void *event_arg,
 		     sctp_disposition_t status,
 		     sctp_cmd_seq_t *retval,
-		     int priority);
+		     int gfp);
 
 
-int sctp_gen_sack(sctp_association_t *, int force, sctp_cmd_seq_t *);
-void sctp_do_TSNdup(sctp_association_t *, sctp_chunk_t *, long gap);
+int sctp_gen_sack(struct sctp_association *, int force, sctp_cmd_seq_t *);
+void sctp_do_TSNdup(struct sctp_association *, struct sctp_chunk *, long gap);
 
 void sctp_generate_t3_rtx_event(unsigned long peer);
 void sctp_generate_heartbeat_event(unsigned long peer);
 
-sctp_sackhdr_t *sctp_sm_pull_sack(sctp_chunk_t *);
+sctp_sackhdr_t *sctp_sm_pull_sack(struct sctp_chunk *);
 struct sctp_packet *sctp_abort_pkt_new(const struct sctp_endpoint *,
 				       const struct sctp_association *,
 				       struct sctp_chunk *chunk,
@@ -325,21 +315,21 @@ sctp_cookie_param_t *
 sctp_pack_cookie(const struct sctp_endpoint *, const struct sctp_association *,
 		 const struct sctp_chunk *, int *cookie_len,
 		 const __u8 *, int addrs_len);
-sctp_association_t *sctp_unpack_cookie(const sctp_endpoint_t *,
-				       const sctp_association_t *,
-				       sctp_chunk_t *, int priority, int *err,
-				       sctp_chunk_t **err_chk_p);
-int sctp_addip_addr_config(sctp_association_t *, sctp_param_t,
+struct sctp_association *sctp_unpack_cookie(const struct sctp_endpoint *,
+				       const struct sctp_association *,
+				       struct sctp_chunk *, int gfp, int *err,
+				       struct sctp_chunk **err_chk_p);
+int sctp_addip_addr_config(struct sctp_association *, sctp_param_t,
 			   struct sockaddr_storage*, int);
-void sctp_send_stale_cookie_err(const sctp_endpoint_t *ep,
-				const sctp_association_t *asoc,
-				const sctp_chunk_t *chunk,
+void sctp_send_stale_cookie_err(const struct sctp_endpoint *ep,
+				const struct sctp_association *asoc,
+				const struct sctp_chunk *chunk,
 				sctp_cmd_seq_t *commands,
-				sctp_chunk_t *err_chunk);
+				struct sctp_chunk *err_chunk);
 
 /* 3rd level prototypes */
-__u32 sctp_generate_tag(const sctp_endpoint_t *);
-__u32 sctp_generate_tsn(const sctp_endpoint_t *);
+__u32 sctp_generate_tag(const struct sctp_endpoint *);
+__u32 sctp_generate_tsn(const struct sctp_endpoint *);
 
 /* 4th level prototypes */
 void sctp_param2sockaddr(union sctp_addr *addr, sctp_addr_param_t *,
@@ -361,7 +351,7 @@ extern sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES];
 
 
 /* Get the size of a DATA chunk payload. */
-static inline __u16 sctp_data_size(sctp_chunk_t *chunk)
+static inline __u16 sctp_data_size(struct sctp_chunk *chunk)
 {
 	__u16 size;
 
@@ -449,8 +439,8 @@ static inline void sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_a
  * tag and the T bit is set in the Chunk Flags.
  */
 static inline int
-sctp_vtag_verify_either(const sctp_chunk_t *chunk,
-			const sctp_association_t *asoc)
+sctp_vtag_verify_either(const struct sctp_chunk *chunk,
+			const struct sctp_association *asoc)
 {
         /* RFC 2960 Section 8.5.1, sctpimpguide-06 Section 2.13.2
 	 *
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 5cf74d3c2882..e804c52c82fc 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -70,7 +70,6 @@ union sctp_addr {
 	struct sockaddr sa;
 };
 
-
 /* Forward declarations for data structures. */
 struct sctp_protocol;
 struct sctp_endpoint;
@@ -83,14 +82,9 @@ struct sctp_outq;
 struct sctp_bind_addr;
 struct sctp_ulpq;
 struct sctp_opt;
-struct sctp_endpoint_common;
+struct sctp_ep_common;
 struct sctp_ssnmap;
 
-typedef struct sctp_endpoint sctp_endpoint_t;
-typedef struct sctp_association sctp_association_t;
-typedef struct sctp_chunk sctp_chunk_t;
-typedef struct sctp_bind_addr sctp_bind_addr_t;
-typedef struct sctp_endpoint_common sctp_endpoint_common_t;
 
 #include <net/sctp/tsnmap.h>
 #include <net/sctp/ulpevent.h>
@@ -114,7 +108,7 @@ typedef struct sctp_bind_hashbucket {
 /* Used for hashing all associations.  */
 typedef struct sctp_hashbucket {
 	rwlock_t	lock;
-	sctp_endpoint_common_t  *chain;
+	struct sctp_ep_common  *chain;
 } sctp_hashbucket_t __attribute__((__aligned__(8)));
 
 
@@ -235,7 +229,9 @@ struct sctp_af {
 					 int saddr);
 	void            (*from_sk)      (union sctp_addr *,
 					 struct sock *sk);
-	void            (*to_sk)        (union sctp_addr *,
+	void            (*to_sk_saddr)  (union sctp_addr *,
+					 struct sock *sk);
+	void            (*to_sk_daddr)  (union sctp_addr *,
 					 struct sock *sk);
 	int             (*addr_valid)   (union sctp_addr *);
 	sctp_scope_t    (*scope) (union sctp_addr *);
@@ -243,6 +239,7 @@ struct sctp_af {
 	int             (*is_any)       (const union sctp_addr *);
 	int             (*available)    (const union sctp_addr *);
 	int             (*skb_iif)      (const struct sk_buff *sk);
+	int             (*is_ce)        (const struct sk_buff *sk); 
 	__u16		net_header_len;
 	int		sockaddr_len;
 	sa_family_t	sa_family;
@@ -283,8 +280,11 @@ struct sctp_opt {
 	/* PF_ family specific functions.  */
 	struct sctp_pf *pf;
 
+	/* Access to HMAC transform. */
+	struct crypto_tfm *hmac;
+
 	/* What is our base endpointer? */
-	sctp_endpoint_t *ep;
+	struct sctp_endpoint *ep;
 
 	/* Various Socket Options.  */
 	__u16 default_stream;
@@ -293,10 +293,12 @@ struct sctp_opt {
 	struct sctp_rtoinfo rtoinfo;
 	struct sctp_paddrparams paddrparam;
 	struct sctp_event_subscribe subscribe;
+	int user_frag;
 	__u32 autoclose;
 	__u8 nodelay;
 	__u8 disable_fragments;
 	__u8 pd_mode;
+	__u8 v4mapped;
 
 	/* Receive to here while partial delivery is in effect. */
 	struct sk_buff_head pd_lobby;
@@ -448,6 +450,37 @@ static inline __u16 sctp_ssn_next(struct sctp_stream *stream, __u16 id)
 	return stream->ssn[id]++;
 }
 
+/* Structure to track chunk fragments that have been acked, but peer
+ * fragments of the same message have not.
+ */
+struct sctp_datamsg {
+	/* Chunks waiting to be submitted to lower layer. */
+	struct list_head chunks;
+	/* Chunks that have been transmitted. */
+	struct list_head track;
+	/* Reference counting. */
+	atomic_t refcnt;
+	/* When is this message no longer interesting to the peer? */
+	unsigned long expires_at; 
+	/* Did the messenge fail to send? */
+	int send_error;
+	char send_failed;
+	/* Control whether fragments from this message can expire. */
+	char can_expire;
+};
+
+struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *,
+					    struct sctp_sndrcvinfo *,
+					    struct msghdr *, int len);
+struct sctp_datamsg *sctp_datamsg_new(int gfp);
+void sctp_datamsg_put(struct sctp_datamsg *);
+void sctp_datamsg_hold(struct sctp_datamsg *);
+void sctp_datamsg_free(struct sctp_datamsg *);
+void sctp_datamsg_track(struct sctp_chunk *);
+void sctp_datamsg_assign(struct sctp_datamsg *, struct sctp_chunk *);
+void sctp_datamsg_fail(struct sctp_chunk *, int error);
+int sctp_datamsg_expires(struct sctp_chunk *);
+
 
 /* RFC2960 1.4 Key Terms
  *
@@ -462,9 +495,10 @@ struct sctp_chunk {
 	 * three elements of struct sk_buff.  This allows us to reuse
 	 * all the skb_* queue management functions.
 	 */
-	sctp_chunk_t *next;
-	sctp_chunk_t *prev;
+	struct sctp_chunk *next;
+	struct sctp_chunk *prev;
 	struct sk_buff_head *list;
+	atomic_t refcnt;
 
 	/* This is our link to the per-transport transmitted list.  */
 	struct list_head transmitted_list;
@@ -514,43 +548,52 @@ struct sctp_chunk {
 	struct sctp_association *asoc;
 
 	/* What endpoint received this chunk? */
-	sctp_endpoint_common_t *rcvr;
+	struct sctp_ep_common *rcvr;
 
 	/* We fill this in if we are calculating RTT. */
 	unsigned long sent_at;
 
-	__u8 rtt_in_progress;  /* Is this chunk used for RTT calculation? */
-	__u8 num_times_sent;   /* How man times did we send this? */
-	__u8 has_tsn;          /* Does this chunk have a TSN yet? */
-	__u8 has_ssn;          /* Does this chunk have a SSN yet? */
-	__u8 singleton;        /* Was this the only chunk in the packet? */
-	__u8 end_of_packet;    /* Was this the last chunk in the packet? */
-	__u8 ecn_ce_done;      /* Have we processed the ECN CE bit? */
-	__u8 pdiscard;	  /* Discard the whole packet now? */
-	__u8 tsn_gap_acked;	  /* Is this chunk acked by a GAP ACK? */
-	__u8 fast_retransmit;    /* Is this chunk fast retransmitted? */
-	__u8 tsn_missing_report; /* Data chunk missing counter. */
-
 	/* What is the origin IP address for this chunk?  */
 	union sctp_addr source;
 	/* Destination address for this chunk. */
 	union sctp_addr dest;
 
+	/* For outbound message, track all fragments for SEND_FAILED. */
+	struct sctp_datamsg *msg;
+
 	/* For an inbound chunk, this tells us where it came from.
 	 * For an outbound chunk, it tells us where we'd like it to
 	 * go.  It is NULL if we have no preference.
 	 */
 	struct sctp_transport *transport;
+
+	__u8 rtt_in_progress;	/* Is this chunk used for RTT calculation? */
+	__u8 resent;		/* Has this chunk ever been retransmitted. */
+	__u8 has_tsn;		/* Does this chunk have a TSN yet? */
+	__u8 has_ssn;		/* Does this chunk have a SSN yet? */
+	__u8 singleton;		/* Was this the only chunk in the packet? */
+	__u8 end_of_packet;	/* Was this the last chunk in the packet? */
+	__u8 ecn_ce_done;	/* Have we processed the ECN CE bit? */
+	__u8 pdiscard;		/* Discard the whole packet now? */
+	__u8 tsn_gap_acked;	/* Is this chunk acked by a GAP ACK? */
+	__u8 fast_retransmit;	 /* Is this chunk fast retransmitted? */
+	__u8 tsn_missing_report; /* Data chunk missing counter. */
 };
 
-sctp_chunk_t *sctp_make_chunk(const struct sctp_association *, __u8 type,
-			      __u8 flags, int size);
-void sctp_free_chunk(sctp_chunk_t *);
-void  *sctp_addto_chunk(sctp_chunk_t *chunk, int len, const void *data);
-sctp_chunk_t *sctp_chunkify(struct sk_buff *, const struct sctp_association *,
-			    struct sock *);
-void sctp_init_addrs(sctp_chunk_t *, union sctp_addr *, union sctp_addr *);
-const union sctp_addr *sctp_source(const sctp_chunk_t *chunk);
+void sctp_chunk_hold(struct sctp_chunk *);
+void sctp_chunk_put(struct sctp_chunk *);
+int sctp_user_addto_chunk(struct sctp_chunk *chunk, int off, int len,
+			  struct iovec *data);
+struct sctp_chunk *sctp_make_chunk(const struct sctp_association *, __u8 type,
+				   __u8 flags, int size);
+void sctp_chunk_free(struct sctp_chunk *);
+void  *sctp_addto_chunk(struct sctp_chunk *, int len, const void *data);
+struct sctp_chunk *sctp_chunkify(struct sk_buff *,
+				 const struct sctp_association *,
+				 struct sock *);
+void sctp_init_addrs(struct sctp_chunk *, union sctp_addr *,
+		     union sctp_addr *);
+const union sctp_addr *sctp_source(const struct sctp_chunk *chunk);
 
 /* This is a structure for holding either an IPv6 or an IPv4 address.  */
 /* sin_family -- AF_INET or AF_INET6
@@ -562,7 +605,7 @@ struct sockaddr_storage_list {
 	union sctp_addr a;
 };
 
-typedef sctp_chunk_t *(sctp_packet_phandler_t)(struct sctp_association *);
+typedef struct sctp_chunk *(sctp_packet_phandler_t)(struct sctp_association *);
 
 /* This structure holds lists of chunks as we are assembling for
  * transmission.
@@ -619,7 +662,7 @@ typedef struct sctp_packet *(sctp_outq_ohandler_config_t)
 	 int ecn_capable,
 	 sctp_packet_phandler_t *get_prepend_chunk);
 typedef sctp_xmit_t (sctp_outq_ohandler_t)(struct sctp_packet *,
-                                               sctp_chunk_t *);
+                                               struct sctp_chunk *);
 typedef int (sctp_outq_ohandler_force_t)(struct sctp_packet *);
 
 sctp_outq_ohandler_init_t    sctp_packet_init;
@@ -697,7 +740,6 @@ struct sctp_transport {
          */
 	int rto_pending;
 
-
 	/*
 	 * These are the congestion stats.
 	 */
@@ -771,9 +813,6 @@ struct sctp_transport {
 	 */
 	int max_retrans;
 
-	/* We use this name for debugging output... */
-	char *debug_name;
-
 	/* Per         : A timer used by each destination.
 	 * Destination :
 	 * Timer       :
@@ -799,6 +838,35 @@ struct sctp_transport {
 	struct list_head send_ready;
 
 	int malloced; /* Is this structure kfree()able? */
+
+	/* State information saved for SFR_CACC algorithm. The key
+	 * idea in SFR_CACC is to maintain state at the sender on a
+	 * per-destination basis when a changeover happens.
+	 * 	char changeover_active;
+	 * 	char cycling_changeover;
+	 * 	__u32 next_tsn_at_change;
+	 * 	char cacc_saw_newack;
+	 */
+	struct {
+		/* An unsigned integer, which stores the next TSN to be
+		 * used by the sender, at the moment of changeover.
+		 */
+		__u32 next_tsn_at_change;
+
+		/* A flag which indicates the occurrence of a changeover */
+		char changeover_active;
+
+		/* A glag which indicates whether the change of primary is
+		 * the first switch to this destination address during an
+		 * active switch.
+		 */
+		char cycling_changeover;
+
+		/* A temporary flag, which is used during the processing of
+		 * a SACK to estimate the causative TSN(s)'s group.
+		 */
+		char cacc_saw_newack;
+	} cacc;
 };
 
 struct sctp_transport *sctp_transport_new(const union sctp_addr *, int);
@@ -831,7 +899,7 @@ struct sctp_inq {
 	/* This is the packet which is currently off the in queue and is
 	 * being worked on through the inbound chunk processing.
 	 */
-	sctp_chunk_t *in_progress;
+	struct sctp_chunk *in_progress;
 
 	/* This is the delayed task to finish delivering inbound
 	 * messages.
@@ -844,7 +912,7 @@ struct sctp_inq {
 struct sctp_inq *sctp_inq_new(void);
 void sctp_inq_init(struct sctp_inq *);
 void sctp_inq_free(struct sctp_inq *);
-void sctp_inq_push(struct sctp_inq *, sctp_chunk_t *packet);
+void sctp_inq_push(struct sctp_inq *, struct sctp_chunk *packet);
 struct sctp_chunk *sctp_inq_pop(struct sctp_inq *);
 void sctp_inq_set_th_handler(struct sctp_inq *, void (*)(void *), void *);
 
@@ -904,18 +972,21 @@ struct sctp_outq {
 	/* How many unackd bytes do we have in-flight?  */
 	__u32 outstanding_bytes;
 
+	/* Corked? */
+	char cork;
+
 	/* Is this structure empty?  */
-	int empty;
+	char empty;
 
 	/* Are we kfree()able? */
-	int malloced;
+	char malloced;
 };
 
 struct sctp_outq *sctp_outq_new(struct sctp_association *);
 void sctp_outq_init(struct sctp_association *, struct sctp_outq *);
 void sctp_outq_teardown(struct sctp_outq *);
 void sctp_outq_free(struct sctp_outq*);
-int sctp_outq_tail(struct sctp_outq *, sctp_chunk_t *chunk);
+int sctp_outq_tail(struct sctp_outq *, struct sctp_chunk *chunk);
 int sctp_outq_flush(struct sctp_outq *, int);
 int sctp_outq_sack(struct sctp_outq *, sctp_sackhdr_t *);
 int sctp_outq_is_empty(const struct sctp_outq *);
@@ -926,10 +997,16 @@ int sctp_outq_set_output_handlers(struct sctp_outq *,
 				  sctp_outq_ohandler_t build,
 				  sctp_outq_ohandler_force_t force);
 void sctp_outq_restart(struct sctp_outq *);
+
 void sctp_retransmit(struct sctp_outq *, struct sctp_transport *,
 		     sctp_retransmit_reason_t);
 void sctp_retransmit_mark(struct sctp_outq *, struct sctp_transport *, __u8);
-
+int sctp_outq_uncork(struct sctp_outq *);
+/* Uncork and flush an outqueue.  */
+static inline void sctp_outq_cork(struct sctp_outq *q)
+{
+	q->cork = 1;
+}
 
 /* These bind address data fields common between endpoints and associations */
 struct sctp_bind_addr {
@@ -952,15 +1029,16 @@ struct sctp_bind_addr {
 	int malloced;        /* Are we kfree()able?  */
 };
 
-sctp_bind_addr_t *sctp_bind_addr_new(int gfp_mask);
-void sctp_bind_addr_init(sctp_bind_addr_t *, __u16 port);
-void sctp_bind_addr_free(sctp_bind_addr_t *);
-int sctp_bind_addr_copy(sctp_bind_addr_t *dest, const sctp_bind_addr_t *src,
+struct sctp_bind_addr *sctp_bind_addr_new(int gfp_mask);
+void sctp_bind_addr_init(struct sctp_bind_addr *, __u16 port);
+void sctp_bind_addr_free(struct sctp_bind_addr *);
+int sctp_bind_addr_copy(struct sctp_bind_addr *dest,
+			const struct sctp_bind_addr *src,
 			sctp_scope_t scope, int gfp,int flags);
-int sctp_add_bind_addr(sctp_bind_addr_t *, union sctp_addr *,
+int sctp_add_bind_addr(struct sctp_bind_addr *, union sctp_addr *,
 		       int gfp);
-int sctp_del_bind_addr(sctp_bind_addr_t *, union sctp_addr *);
-int sctp_bind_addr_match(sctp_bind_addr_t *, const union sctp_addr *,
+int sctp_del_bind_addr(struct sctp_bind_addr *, union sctp_addr *);
+int sctp_bind_addr_match(struct sctp_bind_addr *, const union sctp_addr *,
 			 struct sctp_opt *);
 union sctp_params sctp_bind_addrs_to_raw(const struct sctp_bind_addr *bp,
 					 int *addrs_len, int gfp);
@@ -973,7 +1051,7 @@ int sctp_is_any(const union sctp_addr *addr);
 int sctp_addr_is_valid(const union sctp_addr *addr);
 
 
-/* What type of sctp_endpoint_common?  */
+/* What type of endpoint?  */
 typedef enum {
 	SCTP_EP_TYPE_SOCKET,
 	SCTP_EP_TYPE_ASSOCIATION,
@@ -995,10 +1073,10 @@ typedef enum {
  *
  */
 
-struct sctp_endpoint_common {
+struct sctp_ep_common {
 	/* Fields to help us manage our entries in the hash tables. */
-	sctp_endpoint_common_t *next;
-	sctp_endpoint_common_t **pprev;
+	struct sctp_ep_common *next;
+	struct sctp_ep_common **pprev;
 	int hashent;
 
 	/* Runtime type information.  What kind of endpoint is this? */
@@ -1024,7 +1102,7 @@ struct sctp_endpoint_common {
 	 * bind_addr.port is our shared port number.
 	 * bind_addr.address_list is our set of local IP addresses.
 	 */
-	sctp_bind_addr_t bind_addr;
+	struct sctp_bind_addr bind_addr;
 
 	/* Protection during address list comparisons. */
 	rwlock_t   addr_lock;
@@ -1052,12 +1130,7 @@ struct sctp_endpoint_common {
 
 struct sctp_endpoint {
 	/* Common substructure for endpoint and association. */
-	sctp_endpoint_common_t base;
-
-	/* These are the system-wide defaults and other stuff which is
-	 * endpoint-independent.
-	 */
-	struct sctp_protocol *proto;
+	struct sctp_ep_common base;
 
 	/* Associations: A list of current associations and mappings
 	 *            to the data consumers for each association. This
@@ -1092,28 +1165,29 @@ struct sctp_endpoint {
 };
 
 /* Recover the outter endpoint structure. */
-static inline sctp_endpoint_t *sctp_ep(sctp_endpoint_common_t *base)
+static inline struct sctp_endpoint *sctp_ep(struct sctp_ep_common *base)
 {
-	sctp_endpoint_t *ep;
+	struct sctp_endpoint *ep;
 
-	ep = container_of(base, sctp_endpoint_t, base);
+	ep = container_of(base, struct sctp_endpoint, base);
 	return ep;
 }
 
 /* These are function signatures for manipulating endpoints.  */
-sctp_endpoint_t *sctp_endpoint_new(struct sctp_protocol *, struct sock *, int);
-sctp_endpoint_t *sctp_endpoint_init(struct sctp_endpoint *,
-				    struct sctp_protocol *,
-				    struct sock *, int gfp);
-void sctp_endpoint_free(sctp_endpoint_t *);
-void sctp_endpoint_put(sctp_endpoint_t *);
-void sctp_endpoint_hold(sctp_endpoint_t *);
-void sctp_endpoint_add_asoc(sctp_endpoint_t *, struct sctp_association *asoc);
-struct sctp_association *sctp_endpoint_lookup_assoc(const sctp_endpoint_t *ep,
-					       const union sctp_addr *paddr,
-					       struct sctp_transport **);
-int sctp_endpoint_is_peeled_off(sctp_endpoint_t *, const union sctp_addr *);
-sctp_endpoint_t *sctp_endpoint_is_match(sctp_endpoint_t *,
+struct sctp_endpoint *sctp_endpoint_new(struct sock *, int);
+struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *,
+					 struct sock *, int gfp);
+void sctp_endpoint_free(struct sctp_endpoint *);
+void sctp_endpoint_put(struct sctp_endpoint *);
+void sctp_endpoint_hold(struct sctp_endpoint *);
+void sctp_endpoint_add_asoc(struct sctp_endpoint *, struct sctp_association *);
+struct sctp_association *sctp_endpoint_lookup_assoc(
+	const struct sctp_endpoint *ep,
+	const union sctp_addr *paddr,
+	struct sctp_transport **);
+int sctp_endpoint_is_peeled_off(struct sctp_endpoint *,
+				const union sctp_addr *);
+struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *,
 					const union sctp_addr *);
 int sctp_has_association(const union sctp_addr *laddr,
 			 const union sctp_addr *paddr);
@@ -1126,8 +1200,8 @@ int sctp_process_init(struct sctp_association *, sctp_cid_t cid,
 		      sctp_init_chunk_t *init, int gfp);
 int sctp_process_param(struct sctp_association *, union sctp_params param,
 		       const union sctp_addr *from, int gfp);
-__u32 sctp_generate_tag(const sctp_endpoint_t *);
-__u32 sctp_generate_tsn(const sctp_endpoint_t *);
+__u32 sctp_generate_tag(const struct sctp_endpoint *);
+__u32 sctp_generate_tsn(const struct sctp_endpoint *);
 
 
 /* RFC2960
@@ -1150,7 +1224,7 @@ struct sctp_association {
 	 * In this context, it represents the associations's view
 	 * of the local endpoint of the association.
 	 */
-	sctp_endpoint_common_t base;
+	struct sctp_ep_common base;
 
 	/* Associations on the same socket. */
 	struct list_head asocs;
@@ -1162,7 +1236,7 @@ struct sctp_association {
 	__u32 eyecatcher;
 
 	/* This is our parent endpoint.  */
-	sctp_endpoint_t *ep;
+	struct sctp_endpoint *ep;
 
 	/* These are those association elements needed in the cookie.  */
 	sctp_cookie_t c;
@@ -1337,7 +1411,6 @@ struct sctp_association {
 	/* The largest timeout or RTO value to use in attempting an INIT */
 	__u16 max_init_timeo;
 
-
 	int timeouts[SCTP_NUM_TIMEOUT_TYPES];
 	struct timer_list timers[SCTP_NUM_TIMEOUT_TYPES];
 
@@ -1438,9 +1511,6 @@ struct sctp_association {
 	 */
 	struct sctp_ulpq ulpq;
 
-	/* Need to send an ECNE Chunk? */
-	int need_ecne;
-
 	/* Last TSN that caused an ECNE Chunk to be sent.  */
 	__u32 last_ecne_tsn;
 
@@ -1453,9 +1523,6 @@ struct sctp_association {
 	/* Number of seconds of idle time before an association is closed.  */
 	__u32 autoclose;
 
-	/* Name for debugging output... */
-	char *debug_name;
-
 	/* These are to support
 	 * "SCTP Extensions for Dynamic Reconfiguration of IP Addresses
 	 *  and Enforcement of Flow and Message Limits"
@@ -1463,8 +1530,7 @@ struct sctp_association {
 	 * or "ADDIP" for short.
 	 */
 
-	/* Is the ADDIP extension enabled for this association? */
-	int addip_enable;
+
 
 	/* ADDIP Section 4.1.1 Congestion Control of ASCONF Chunks
 	 *
@@ -1480,7 +1546,7 @@ struct sctp_association {
 	 * [This is our one-and-only-one ASCONF in flight.  If we do
 	 * not have an ASCONF in flight, this is NULL.]
 	 */
-	sctp_chunk_t *addip_last_asconf;
+	struct sctp_chunk *addip_last_asconf;
 
 	/* ADDIP Section 4.2 Upon reception of an ASCONF Chunk.
 	 *
@@ -1495,7 +1561,7 @@ struct sctp_association {
 	 * [This is our saved ASCONF-ACK.  We invalidate it when a new
 	 * ASCONF serial number arrives.]
 	 */
-	sctp_chunk_t *addip_last_asconf_ack;
+	struct sctp_chunk *addip_last_asconf_ack;
 
 	/* These ASCONF chunks are waiting to be sent.
 	 *
@@ -1548,6 +1614,15 @@ struct sctp_association {
 	 * after reaching 4294967295.
 	 */
 	__u32 addip_serial;
+
+	/* Is the ADDIP extension enabled for this association? */
+	char addip_enable;
+
+	/* Need to send an ECNE Chunk? */
+	char need_ecne;
+
+	/* Is it a temporary association? */
+	char temp;
 };
 
 
@@ -1559,7 +1634,7 @@ enum {
 };
 
 /* Recover the outter association structure. */
-static inline struct sctp_association *sctp_assoc(sctp_endpoint_common_t *base)
+static inline struct sctp_association *sctp_assoc(struct sctp_ep_common *base)
 {
 	struct sctp_association *asoc;
 
@@ -1571,10 +1646,10 @@ static inline struct sctp_association *sctp_assoc(sctp_endpoint_common_t *base)
 
 
 struct sctp_association *
-sctp_association_new(const sctp_endpoint_t *, const struct sock *,
+sctp_association_new(const struct sctp_endpoint *, const struct sock *,
 		     sctp_scope_t scope, int gfp);
 struct sctp_association *
-sctp_association_init(struct sctp_association *, const sctp_endpoint_t *,
+sctp_association_init(struct sctp_association *, const struct sctp_endpoint *,
 		      const struct sock *, sctp_scope_t scope,
 		      int gfp);
 void sctp_association_free(struct sctp_association *);
@@ -1614,8 +1689,8 @@ int sctp_assoc_set_bind_addr_from_cookie(struct sctp_association *,
 
 int sctp_cmp_addr_exact(const union sctp_addr *ss1,
 		        const union sctp_addr *ss2);
-sctp_chunk_t *sctp_get_ecne_prepend(struct sctp_association *asoc);
-sctp_chunk_t *sctp_get_no_prepend(struct sctp_association *asoc);
+struct sctp_chunk *sctp_get_ecne_prepend(struct sctp_association *asoc);
+struct sctp_chunk *sctp_get_no_prepend(struct sctp_association *asoc);
 
 /* A convenience structure to parse out SCTP specific CMSGs. */
 typedef struct sctp_cmsgs {
diff --git a/include/net/sctp/tsnmap.h b/include/net/sctp/tsnmap.h
index 61e26a90abf4..103d111ea040 100644
--- a/include/net/sctp/tsnmap.h
+++ b/include/net/sctp/tsnmap.h
@@ -114,7 +114,7 @@ struct sctp_tsnmap_iter {
 };
 
 /* Create a new tsnmap.  */
-struct sctp_tsnmap *sctp_tsnmap_new(__u16 len, __u32 init_tsn, int priority);
+struct sctp_tsnmap *sctp_tsnmap_new(__u16 len, __u32 init_tsn, int gfp);
 
 /* Dispose of a tsnmap.  */
 void sctp_tsnmap_free(struct sctp_tsnmap *);
diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h
index d508ca47ea4d..d3ad0c86583d 100644
--- a/include/net/sctp/ulpevent.h
+++ b/include/net/sctp/ulpevent.h
@@ -10,13 +10,15 @@
  * sctp_ulpevent type is used to carry information from the state machine
  * upwards to the ULP.
  *
- * The SCTP reference implementation  is free software;
+ * This file is part of the SCTP kernel reference Implementation
+ *
+ * The SCTP reference implementation is free software;
  * you can redistribute it and/or modify it under the terms of
  * the GNU General Public License as published by
  * the Free Software Foundation; either version 2, or (at your option)
  * any later version.
  *
- * the SCTP reference implementation  is distributed in the hope that it
+ * The SCTP reference implementation is distributed in the hope that it
  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  *                 ************************
  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
@@ -27,12 +29,17 @@
  * the Free Software Foundation, 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  *
- * Please send any bug reports or fixes you make to one of the
- * following email addresses:
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ *    lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ *    http://www.sf.net/projects/lksctp
  *
- * Jon Grimm <jgrimm@us.ibm.com>
- * La Monte H.P. Yarroll <piggy@acm.org>
- * Karl Knutson <karl@athena.chicago.il.us>
+ * Written or modified by:
+ *   Jon Grimm             <jgrimm@us.ibm.com>
+ *   La Monte H.P. Yarroll <piggy@acm.org>
+ *   Karl Knutson          <karl@athena.chicago.il.us>
  *
  * Any bugs reported given to us we will try to fix... any fixes shared will
  * be incorporated into the next SCTP release.
@@ -64,7 +71,7 @@ static inline struct sctp_ulpevent *sctp_skb2event(struct sk_buff *skb)
 	return (struct sctp_ulpevent *)skb->cb;
 }
 
-struct sctp_ulpevent *sctp_ulpevent_new(int size, int flags, int priority);
+struct sctp_ulpevent *sctp_ulpevent_new(int size, int flags, int gfp);
 struct sctp_ulpevent *sctp_ulpevent_init(struct sctp_ulpevent *, int flags);
 void sctp_ulpevent_free(struct sctp_ulpevent *);
 int sctp_ulpevent_is_notification(const struct sctp_ulpevent *);
@@ -76,7 +83,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_assoc_change(
 	__u16 error,
 	__u16 outbound,
 	__u16 inbound,
-	int priority);
+	int gfp);
 
 struct sctp_ulpevent *sctp_ulpevent_make_peer_addr_change(
 	const struct sctp_association *asoc,
@@ -84,32 +91,32 @@ struct sctp_ulpevent *sctp_ulpevent_make_peer_addr_change(
 	int flags,
 	int state,
 	int error,
-	int priority);
+	int gfp);
 
 struct sctp_ulpevent *sctp_ulpevent_make_remote_error(
 	const struct sctp_association *asoc,
 	struct sctp_chunk *chunk,
 	__u16 flags,
-	int priority);
+	int gfp);
 struct sctp_ulpevent *sctp_ulpevent_make_send_failed(
 	const struct sctp_association *asoc,
 	struct sctp_chunk *chunk,
 	__u16 flags,
 	__u32 error,
-	int priority);
+	int gfp);
 
 struct sctp_ulpevent *sctp_ulpevent_make_shutdown_event(
 	const struct sctp_association *asoc,
 	__u16 flags,
-	int priority);
+	int gfp);
 
 struct sctp_ulpevent *sctp_ulpevent_make_pdapi(
 	const struct sctp_association *asoc,
-	__u32 indication, int priority);
+	__u32 indication, int gfp);
 
 struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc,
 	struct sctp_chunk *chunk,
-	int priority);
+	int gfp);
 
 void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event,
 	struct msghdr *);
diff --git a/include/net/sctp/ulpqueue.h b/include/net/sctp/ulpqueue.h
index 334dbf1138ef..69541c80301e 100644
--- a/include/net/sctp/ulpqueue.h
+++ b/include/net/sctp/ulpqueue.h
@@ -50,14 +50,15 @@
 struct sctp_ulpq {
 	char malloced;
 	char pd_mode;
-	sctp_association_t *asoc;
+	struct sctp_association *asoc;
 	struct sk_buff_head reasm;
 	struct sk_buff_head lobby;
 };
 
 /* Prototypes. */
-struct sctp_ulpq *sctp_ulpq_new(sctp_association_t *asoc, int priority);
-struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *, sctp_association_t *);
+struct sctp_ulpq *sctp_ulpq_new(struct sctp_association *asoc, int gfp);
+struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *,
+				 struct sctp_association *);
 void sctp_ulpq_free(struct sctp_ulpq *);
 
 /* Add a new DATA chunk for processing. */
diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index e8cf2aedec87..5494148e0b10 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -110,6 +110,10 @@ enum sctp_optname {
 #define SCTP_GET_LOCAL_ADDRS	SCTP_GET_LOCAL_ADDRS
 	SCTP_NODELAY, 	/* Get/set nodelay option. */
 #define SCTP_NODELAY	SCTP_NODELAY
+	SCTP_I_WANT_MAPPED_V4_ADDR,  /* Turn on/off mapped v4 addresses  */
+#define SCTP_I_WANT_MAPPED_V4_ADDR SCTP_I_WANT_MAPPED_V4_ADDR
+	SCTP_MAXSEG, 	/* Get/set maximum fragment. */
+#define SCTP_MAXSEG 	SCTP_MAXSEG
 };