17 files changed, 525 insertions, 168 deletions

diff --git a/include/net/ax25.h b/include/net/ax25.h
index 9e6368a5454..828a3a93dda 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -220,7 +220,7 @@ static __inline__ void ax25_cb_put(ax25_cb *ax25)
 	}
 }
 
-static inline unsigned short ax25_type_trans(struct sk_buff *skb, struct net_device *dev)
+static inline __be16 ax25_type_trans(struct sk_buff *skb, struct net_device *dev)
 {
 	skb->dev      = dev;
 	skb->pkt_type = PACKET_HOST;
diff --git a/include/net/ip.h b/include/net/ip.h
index 3f63992eb71..32360bbe143 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -163,6 +163,7 @@ DECLARE_SNMP_STAT(struct linux_mib, net_statistics);
 
 extern int sysctl_local_port_range[2];
 extern int sysctl_ip_default_ttl;
+extern int sysctl_ip_nonlocal_bind;
 
 #ifdef CONFIG_INET
 /* The function in 2.2 was invalid, producing wrong result for
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index e5a5f6b62f8..a4208a336ac 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -109,6 +109,20 @@ struct fib_result {
 #endif
 };
 
+struct fib_result_nl {
+	u32		fl_addr;   /* To be looked up*/ 
+	u32		fl_fwmark; 
+	unsigned char	fl_tos;
+	unsigned char   fl_scope;
+	unsigned char   tb_id_in;
+
+	unsigned char   tb_id;      /* Results */
+	unsigned char	prefixlen;
+	unsigned char	nh_sel;
+	unsigned char	type;
+	unsigned char	scope;
+	int             err;      
+};
 
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
 
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 4f33bbc21e7..89809891e5a 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -65,11 +65,10 @@ struct neighbour;
 
 struct neigh_parms
 {
+	struct net_device *dev;
 	struct neigh_parms *next;
 	int	(*neigh_setup)(struct neighbour *);
 	struct neigh_table *tbl;
-	int	entries;
-	void	*priv;
 
 	void	*sysctl_table;
 
@@ -192,7 +191,6 @@ struct neigh_table
 	atomic_t		entries;
 	rwlock_t		lock;
 	unsigned long		last_rand;
-	struct neigh_parms	*parms_list;
 	kmem_cache_t		*kmem_cachep;
 	struct neigh_statistics	*stats;
 	struct neighbour	**hash_buckets;
@@ -252,6 +250,9 @@ extern int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg);
 extern int neigh_delete(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg);
 extern void neigh_app_ns(struct neighbour *n);
 
+extern int neightbl_dump_info(struct sk_buff *skb, struct netlink_callback *cb);
+extern int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg);
+
 extern void neigh_for_each(struct neigh_table *tbl, void (*cb)(struct neighbour *, void *), void *cookie);
 extern void __neigh_for_each_release(struct neigh_table *tbl, int (*cb)(struct neighbour *));
 extern void pneigh_for_each(struct neigh_table *tbl, void (*cb)(struct pneigh_entry *));
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
new file mode 100644
index 00000000000..72fd6f5e86b
--- /dev/null
+++ b/include/net/request_sock.h
@@ -0,0 +1,255 @@
+/*
+ * NET		Generic infrastructure for Network protocols.
+ *
+ *		Definitions for request_sock 
+ *
+ * Authors:	Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ *
+ * 		From code originally in include/net/tcp.h
+ *
+ *		This program 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 of the License, or (at your option) any later version.
+ */
+#ifndef _REQUEST_SOCK_H
+#define _REQUEST_SOCK_H
+
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <net/sock.h>
+
+struct request_sock;
+struct sk_buff;
+struct dst_entry;
+struct proto;
+
+struct request_sock_ops {
+	int		family;
+	kmem_cache_t	*slab;
+	int		obj_size;
+	int		(*rtx_syn_ack)(struct sock *sk,
+				       struct request_sock *req,
+				       struct dst_entry *dst);
+	void		(*send_ack)(struct sk_buff *skb,
+				    struct request_sock *req);
+	void		(*send_reset)(struct sk_buff *skb);
+	void		(*destructor)(struct request_sock *req);
+};
+
+/* struct request_sock - mini sock to represent a connection request
+ */
+struct request_sock {
+	struct request_sock		*dl_next; /* Must be first member! */
+	u16				mss;
+	u8				retrans;
+	u8				__pad;
+	/* The following two fields can be easily recomputed I think -AK */
+	u32				window_clamp; /* window clamp at creation time */
+	u32				rcv_wnd;	  /* rcv_wnd offered first time */
+	u32				ts_recent;
+	unsigned long			expires;
+	struct request_sock_ops		*rsk_ops;
+	struct sock			*sk;
+};
+
+static inline struct request_sock *reqsk_alloc(struct request_sock_ops *ops)
+{
+	struct request_sock *req = kmem_cache_alloc(ops->slab, SLAB_ATOMIC);
+
+	if (req != NULL)
+		req->rsk_ops = ops;
+
+	return req;
+}
+
+static inline void __reqsk_free(struct request_sock *req)
+{
+	kmem_cache_free(req->rsk_ops->slab, req);
+}
+
+static inline void reqsk_free(struct request_sock *req)
+{
+	req->rsk_ops->destructor(req);
+	__reqsk_free(req);
+}
+
+extern int sysctl_max_syn_backlog;
+
+/** struct listen_sock - listen state
+ *
+ * @max_qlen_log - log_2 of maximal queued SYNs/REQUESTs
+ */
+struct listen_sock {
+	u8			max_qlen_log;
+	/* 3 bytes hole, try to use */
+	int			qlen;
+	int			qlen_young;
+	int			clock_hand;
+	u32			hash_rnd;
+	struct request_sock	*syn_table[0];
+};
+
+/** struct request_sock_queue - queue of request_socks
+ *
+ * @rskq_accept_head - FIFO head of established children
+ * @rskq_accept_tail - FIFO tail of established children
+ * @syn_wait_lock - serializer
+ *
+ * %syn_wait_lock is necessary only to avoid proc interface having to grab the main
+ * lock sock while browsing the listening hash (otherwise it's deadlock prone).
+ *
+ * This lock is acquired in read mode only from listening_get_next() seq_file
+ * op and it's acquired in write mode _only_ from code that is actively
+ * changing rskq_accept_head. All readers that are holding the master sock lock
+ * don't need to grab this lock in read mode too as rskq_accept_head. writes
+ * are always protected from the main sock lock.
+ */
+struct request_sock_queue {
+	struct request_sock	*rskq_accept_head;
+	struct request_sock	*rskq_accept_tail;
+	rwlock_t		syn_wait_lock;
+	struct listen_sock	*listen_opt;
+};
+
+extern int reqsk_queue_alloc(struct request_sock_queue *queue,
+			     const int nr_table_entries);
+
+static inline struct listen_sock *reqsk_queue_yank_listen_sk(struct request_sock_queue *queue)
+{
+	struct listen_sock *lopt;
+
+	write_lock_bh(&queue->syn_wait_lock);
+	lopt = queue->listen_opt;
+	queue->listen_opt = NULL;
+	write_unlock_bh(&queue->syn_wait_lock);
+
+	return lopt;
+}
+
+static inline void reqsk_queue_destroy(struct request_sock_queue *queue)
+{
+	kfree(reqsk_queue_yank_listen_sk(queue));
+}
+
+static inline struct request_sock *
+	reqsk_queue_yank_acceptq(struct request_sock_queue *queue)
+{
+	struct request_sock *req = queue->rskq_accept_head;
+
+	queue->rskq_accept_head = queue->rskq_accept_head = NULL;
+	return req;
+}
+
+static inline int reqsk_queue_empty(struct request_sock_queue *queue)
+{
+	return queue->rskq_accept_head == NULL;
+}
+
+static inline void reqsk_queue_unlink(struct request_sock_queue *queue,
+				      struct request_sock *req,
+				      struct request_sock **prev_req)
+{
+	write_lock(&queue->syn_wait_lock);
+	*prev_req = req->dl_next;
+	write_unlock(&queue->syn_wait_lock);
+}
+
+static inline void reqsk_queue_add(struct request_sock_queue *queue,
+				   struct request_sock *req,
+				   struct sock *parent,
+				   struct sock *child)
+{
+	req->sk = child;
+	sk_acceptq_added(parent);
+
+	if (queue->rskq_accept_head == NULL)
+		queue->rskq_accept_head = req;
+	else
+		queue->rskq_accept_tail->dl_next = req;
+
+	queue->rskq_accept_tail = req;
+	req->dl_next = NULL;
+}
+
+static inline struct request_sock *reqsk_queue_remove(struct request_sock_queue *queue)
+{
+	struct request_sock *req = queue->rskq_accept_head;
+
+	BUG_TRAP(req != NULL);
+
+	queue->rskq_accept_head = req->dl_next;
+	if (queue->rskq_accept_head == NULL)
+		queue->rskq_accept_tail = NULL;
+
+	return req;
+}
+
+static inline struct sock *reqsk_queue_get_child(struct request_sock_queue *queue,
+						 struct sock *parent)
+{
+	struct request_sock *req = reqsk_queue_remove(queue);
+	struct sock *child = req->sk;
+
+	BUG_TRAP(child != NULL);
+
+	sk_acceptq_removed(parent);
+	__reqsk_free(req);
+	return child;
+}
+
+static inline int reqsk_queue_removed(struct request_sock_queue *queue,
+				      struct request_sock *req)
+{
+	struct listen_sock *lopt = queue->listen_opt;
+
+	if (req->retrans == 0)
+		--lopt->qlen_young;
+
+	return --lopt->qlen;
+}
+
+static inline int reqsk_queue_added(struct request_sock_queue *queue)
+{
+	struct listen_sock *lopt = queue->listen_opt;
+	const int prev_qlen = lopt->qlen;
+
+	lopt->qlen_young++;
+	lopt->qlen++;
+	return prev_qlen;
+}
+
+static inline int reqsk_queue_len(struct request_sock_queue *queue)
+{
+	return queue->listen_opt != NULL ? queue->listen_opt->qlen : 0;
+}
+
+static inline int reqsk_queue_len_young(struct request_sock_queue *queue)
+{
+	return queue->listen_opt->qlen_young;
+}
+
+static inline int reqsk_queue_is_full(struct request_sock_queue *queue)
+{
+	return queue->listen_opt->qlen >> queue->listen_opt->max_qlen_log;
+}
+
+static inline void reqsk_queue_hash_req(struct request_sock_queue *queue,
+					u32 hash, struct request_sock *req,
+					unsigned timeout)
+{
+	struct listen_sock *lopt = queue->listen_opt;
+
+	req->expires = jiffies + timeout;
+	req->retrans = 0;
+	req->sk = NULL;
+	req->dl_next = lopt->syn_table[hash];
+
+	write_lock(&queue->syn_wait_lock);
+	lopt->syn_table[hash] = req;
+	write_unlock(&queue->syn_wait_lock);
+}
+
+#endif /* _REQUEST_SOCK_H */
diff --git a/include/net/route.h b/include/net/route.h
index efe92b239ef..d34ca8fc675 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -181,9 +181,6 @@ static inline int ip_route_newports(struct rtable **rp, u16 sport, u16 dport,
 		memcpy(&fl, &(*rp)->fl, sizeof(fl));
 		fl.fl_ip_sport = sport;
 		fl.fl_ip_dport = dport;
-#if defined(CONFIG_IP_ROUTE_MULTIPATH_CACHED)
-		fl.flags |= FLOWI_FLAG_MULTIPATHOLDROUTE;
-#endif
 		ip_rt_put(*rp);
 		*rp = NULL;
 		return ip_route_output_flow(rp, &fl, sk, 0);
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index c57504b3b51..7b97405e2db 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -172,4 +172,126 @@ tcf_destroy(struct tcf_proto *tp)
 	kfree(tp);
 }
 
+static inline int __qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch,
+				       struct sk_buff_head *list)
+{
+	__skb_queue_tail(list, skb);
+	sch->qstats.backlog += skb->len;
+	sch->bstats.bytes += skb->len;
+	sch->bstats.packets++;
+
+	return NET_XMIT_SUCCESS;
+}
+
+static inline int qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch)
+{
+	return __qdisc_enqueue_tail(skb, sch, &sch->q);
+}
+
+static inline struct sk_buff *__qdisc_dequeue_head(struct Qdisc *sch,
+						   struct sk_buff_head *list)
+{
+	struct sk_buff *skb = __skb_dequeue(list);
+
+	if (likely(skb != NULL))
+		sch->qstats.backlog -= skb->len;
+
+	return skb;
+}
+
+static inline struct sk_buff *qdisc_dequeue_head(struct Qdisc *sch)
+{
+	return __qdisc_dequeue_head(sch, &sch->q);
+}
+
+static inline struct sk_buff *__qdisc_dequeue_tail(struct Qdisc *sch,
+						   struct sk_buff_head *list)
+{
+	struct sk_buff *skb = __skb_dequeue_tail(list);
+
+	if (likely(skb != NULL))
+		sch->qstats.backlog -= skb->len;
+
+	return skb;
+}
+
+static inline struct sk_buff *qdisc_dequeue_tail(struct Qdisc *sch)
+{
+	return __qdisc_dequeue_tail(sch, &sch->q);
+}
+
+static inline int __qdisc_requeue(struct sk_buff *skb, struct Qdisc *sch,
+				  struct sk_buff_head *list)
+{
+	__skb_queue_head(list, skb);
+	sch->qstats.backlog += skb->len;
+	sch->qstats.requeues++;
+
+	return NET_XMIT_SUCCESS;
+}
+
+static inline int qdisc_requeue(struct sk_buff *skb, struct Qdisc *sch)
+{
+	return __qdisc_requeue(skb, sch, &sch->q);
+}
+
+static inline void __qdisc_reset_queue(struct Qdisc *sch,
+				       struct sk_buff_head *list)
+{
+	/*
+	 * We do not know the backlog in bytes of this list, it
+	 * is up to the caller to correct it
+	 */
+	skb_queue_purge(list);
+}
+
+static inline void qdisc_reset_queue(struct Qdisc *sch)
+{
+	__qdisc_reset_queue(sch, &sch->q);
+	sch->qstats.backlog = 0;
+}
+
+static inline unsigned int __qdisc_queue_drop(struct Qdisc *sch,
+					      struct sk_buff_head *list)
+{
+	struct sk_buff *skb = __qdisc_dequeue_tail(sch, list);
+
+	if (likely(skb != NULL)) {
+		unsigned int len = skb->len;
+		kfree_skb(skb);
+		return len;
+	}
+
+	return 0;
+}
+
+static inline unsigned int qdisc_queue_drop(struct Qdisc *sch)
+{
+	return __qdisc_queue_drop(sch, &sch->q);
+}
+
+static inline int qdisc_drop(struct sk_buff *skb, struct Qdisc *sch)
+{
+	kfree_skb(skb);
+	sch->qstats.drops++;
+
+	return NET_XMIT_DROP;
+}
+
+static inline int qdisc_reshape_fail(struct sk_buff *skb, struct Qdisc *sch)
+{
+	sch->qstats.drops++;
+
+#ifdef CONFIG_NET_CLS_POLICE
+	if (sch->reshape_fail == NULL || sch->reshape_fail(skb, sch))
+		goto drop;
+
+	return NET_XMIT_SUCCESS;
+
+drop:
+#endif
+	kfree_skb(skb);
+	return NET_XMIT_DROP;
+}
+
 #endif
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index ebc5282e6d5..dc107ffad48 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -65,9 +65,11 @@ typedef enum {
 	SCTP_CMD_TIMER_START,	/* Start a timer.  */
 	SCTP_CMD_TIMER_RESTART,	/* Restart a timer. */
 	SCTP_CMD_TIMER_STOP,	/* Stop a timer. */
-	SCTP_CMD_COUNTER_RESET, /* Reset a counter. */
-	SCTP_CMD_COUNTER_INC,   /* Increment a counter. */
+	SCTP_CMD_INIT_CHOOSE_TRANSPORT, /* Choose transport for an INIT. */
+	SCTP_CMD_INIT_COUNTER_RESET, /* Reset init counter. */
+	SCTP_CMD_INIT_COUNTER_INC,   /* Increment init counter. */
 	SCTP_CMD_INIT_RESTART,  /* High level, do init timer work. */
+	SCTP_CMD_COOKIEECHO_RESTART,  /* High level, do cookie-echo timer work. */
 	SCTP_CMD_INIT_FAILED,   /* High level, do init failure work. */
 	SCTP_CMD_REPORT_DUP,	/* Report a duplicate TSN.  */
 	SCTP_CMD_STRIKE,	/* Mark a strike against a transport.  */
@@ -118,7 +120,6 @@ typedef union {
 	int error;
 	sctp_state_t state;
 	sctp_event_timeout_t to;
-	sctp_counter_t counter;
 	void *ptr;
 	struct sctp_chunk *chunk;
 	struct sctp_association *asoc;
@@ -165,7 +166,6 @@ SCTP_ARG_CONSTRUCTOR(U16,	__u16, u16)
 SCTP_ARG_CONSTRUCTOR(U8,	__u8, u8)
 SCTP_ARG_CONSTRUCTOR(ERROR,     int, error)
 SCTP_ARG_CONSTRUCTOR(STATE,	sctp_state_t, state)
-SCTP_ARG_CONSTRUCTOR(COUNTER,	sctp_counter_t, counter)
 SCTP_ARG_CONSTRUCTOR(TO,	sctp_event_timeout_t, to)
 SCTP_ARG_CONSTRUCTOR(PTR,	void *, ptr)
 SCTP_ARG_CONSTRUCTOR(CHUNK,	struct sctp_chunk *, chunk)
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 2b76c0f4bab..4868c7f7749 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -263,13 +263,6 @@ enum { SCTP_MIN_PMTU = 576 };
 enum { SCTP_MAX_DUP_TSNS = 16 };
 enum { SCTP_MAX_GABS = 16 };
 
-typedef enum {
-	SCTP_COUNTER_INIT_ERROR,
-} sctp_counter_t;
-
-/* How many counters does an association need? */
-#define SCTP_NUMBER_COUNTERS	5
-
 /* Here we define the default timers.  */
 
 /* cookie timer def = ? seconds */
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 960abfa48d6..ef2738159ab 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -223,6 +223,22 @@ DECLARE_SNMP_STAT(struct sctp_mib, sctp_statistics);
 extern int sctp_debug_flag;
 #define SCTP_DEBUG_PRINTK(whatever...) \
 	((void) (sctp_debug_flag && printk(KERN_DEBUG whatever)))
+#define SCTP_DEBUG_PRINTK_IPADDR(lead, trail, leadparm, saddr, otherparms...) \
+	if (sctp_debug_flag) { \
+		if (saddr->sa.sa_family == AF_INET6) { \
+			printk(KERN_DEBUG \
+			       lead "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x" trail, \
+			       leadparm, \
+			       NIP6(saddr->v6.sin6_addr), \
+			       otherparms); \
+		} else { \
+			printk(KERN_DEBUG \
+			       lead "%u.%u.%u.%u" trail, \
+			       leadparm, \
+			       NIPQUAD(saddr->v4.sin_addr.s_addr), \
+			       otherparms); \
+		} \
+	}
 #define SCTP_ENABLE_DEBUG { sctp_debug_flag = 1; }
 #define SCTP_DISABLE_DEBUG { sctp_debug_flag = 0; }
 
@@ -236,6 +252,7 @@ extern int sctp_debug_flag;
 #else	/* SCTP_DEBUG */
 
 #define SCTP_DEBUG_PRINTK(whatever...)
+#define SCTP_DEBUG_PRINTK_IPADDR(whatever...)
 #define SCTP_ENABLE_DEBUG
 #define SCTP_DISABLE_DEBUG
 #define SCTP_ASSERT(expr, str, func)
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index f4fcee10470..a53e08a45e3 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -116,7 +116,8 @@ sctp_state_fn_t sctp_sf_eat_data_fast_4_4;
 sctp_state_fn_t sctp_sf_eat_sack_6_2;
 sctp_state_fn_t sctp_sf_tabort_8_4_8;
 sctp_state_fn_t sctp_sf_operr_notify;
-sctp_state_fn_t sctp_sf_t1_timer_expire;
+sctp_state_fn_t sctp_sf_t1_init_timer_expire;
+sctp_state_fn_t sctp_sf_t1_cookie_timer_expire;
 sctp_state_fn_t sctp_sf_t2_timer_expire;
 sctp_state_fn_t sctp_sf_t4_timer_expire;
 sctp_state_fn_t sctp_sf_t5_timer_expire;
@@ -258,7 +259,10 @@ struct sctp_chunk *sctp_make_fwdtsn(const struct sctp_association *asoc,
 void sctp_chunk_assign_tsn(struct sctp_chunk *);
 void sctp_chunk_assign_ssn(struct sctp_chunk *);
 
-void sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands, __u16 error);
+sctp_disposition_t  sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands,
+					   __u16 error,
+					   const struct sctp_association *asoc,
+					   struct sctp_transport *transport);
 
 /* Prototypes for statetable processing. */
 
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 6c24d9cd3d6..dfad4d3c581 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -867,10 +867,13 @@ struct sctp_transport {
 	 */
 	unsigned long last_time_ecne_reduced;
 
-	/* active      : The current active state of this destination,
-	 *	       :  i.e. DOWN, UP, etc.
+	/* The number of times INIT has been sent on this transport. */
+	int init_sent_count;
+
+	/* state       : The current state of this destination,
+	 *             : i.e. SCTP_ACTIVE, SCTP_INACTIVE, SCTP_UNKOWN.
 	 */
-	int active;
+	int state;
 
 	/* hb_allowed  : The current heartbeat state of this destination,
 	 *	       :  i.e. ALLOW-HB, NO-HEARTBEAT, etc.
@@ -1222,9 +1225,6 @@ struct sctp_endpoint {
 
 	/* sendbuf acct. policy.	*/
 	__u32 sndbuf_policy;
-
-	/* Name for debugging output... */
-	char *debug_name;
 };
 
 /* Recover the outter endpoint structure. */
@@ -1314,11 +1314,23 @@ struct sctp_association {
 		 *	       : association. Normally this information is
 		 *	       : hashed or keyed for quick lookup and access
 		 *	       : of the TCB.
+		 *	       : The list is also initialized with the list
+		 *	       : of addresses passed with the sctp_connectx()
+		 *	       : call.
 		 *
 		 * It is a list of SCTP_transport's.
 		 */
 		struct list_head transport_addr_list;
 
+		/* transport_count
+		 *
+		 * Peer        : A count of the number of peer addresses
+		 * Transport   : in the Peer Transport Address List.
+		 * Address     :
+		 * Count       :
+		 */
+		__u16 transport_count;
+
 		/* port
 		 *   The transport layer port number.
 		 */
@@ -1486,6 +1498,9 @@ struct sctp_association {
 	/* Transport to which SHUTDOWN chunk was last sent.  */
 	struct sctp_transport *shutdown_last_sent_to;
 
+	/* Transport to which INIT chunk was last sent.  */
+	struct sctp_transport *init_last_sent_to;
+
 	/* Next TSN    : The next TSN number to be assigned to a new
 	 *	       : DATA chunk.  This is sent in the INIT or INIT
 	 *	       : ACK chunk to the peer and incremented each
@@ -1549,8 +1564,11 @@ struct sctp_association {
 	/* The message size at which SCTP fragmentation will occur. */
 	__u32 frag_point;
 
-	/* Currently only one counter is used to count INIT errors. */
-	int counters[SCTP_NUMBER_COUNTERS];
+	/* Counter used to count INIT errors. */
+	int init_err_counter;
+
+	/* Count the number of INIT cycles (for doubling timeout). */
+	int init_cycle;
 
 	/* Default send parameters. */
 	__u16 default_stream;
@@ -1708,6 +1726,8 @@ void sctp_association_free(struct sctp_association *);
 void sctp_association_put(struct sctp_association *);
 void sctp_association_hold(struct sctp_association *);
 
+struct sctp_transport *sctp_assoc_choose_init_transport(
+	struct sctp_association *);
 struct sctp_transport *sctp_assoc_choose_shutdown_transport(
 	struct sctp_association *);
 void sctp_assoc_update_retran_path(struct sctp_association *);
@@ -1717,9 +1737,12 @@ int sctp_assoc_lookup_laddr(struct sctp_association *asoc,
 			    const union sctp_addr *laddr);
 struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *,
 				     const union sctp_addr *address,
-				     const int gfp);
+				     const int gfp,
+				     const int peer_state);
 void sctp_assoc_del_peer(struct sctp_association *asoc,
 			 const union sctp_addr *addr);
+void sctp_assoc_rm_peer(struct sctp_association *asoc,
+			 struct sctp_transport *peer);
 void sctp_assoc_control_transport(struct sctp_association *,
 				  struct sctp_transport *,
 				  sctp_transport_cmd_t, sctp_sn_error_t);
diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index 2758e8ce4f2..f6328aeddcc 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -111,6 +111,8 @@ enum sctp_optname {
 #define SCTP_GET_LOCAL_ADDRS_NUM	SCTP_GET_LOCAL_ADDRS_NUM
 	SCTP_GET_LOCAL_ADDRS, 	/* Get all local addresss. */
 #define SCTP_GET_LOCAL_ADDRS	SCTP_GET_LOCAL_ADDRS
+	SCTP_SOCKOPT_CONNECTX, /* CONNECTX requests. */
+#define SCTP_SOCKOPT_CONNECTX	SCTP_SOCKOPT_CONNECTX
 };
 
 /*
@@ -527,6 +529,7 @@ struct sctp_paddrinfo {
 enum sctp_spinfo_state {
 	SCTP_INACTIVE,
 	SCTP_ACTIVE,
+	SCTP_UNKNOWN = 0xffff  /* Value used for transport state unknown */
 };
 
 /*
diff --git a/include/net/sock.h b/include/net/sock.h
index a9ef3a6a13f..e593af5b1ec 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -484,6 +484,8 @@ extern void sk_stream_kill_queues(struct sock *sk);
 
 extern int sk_wait_data(struct sock *sk, long *timeo);
 
+struct request_sock_ops;
+
 /* Networking protocol blocks we attach to sockets.
  * socket layer -> transport layer interface
  * transport -> network interface is defined by struct inet_proto
@@ -547,6 +549,8 @@ struct proto {
 	kmem_cache_t		*slab;
 	unsigned int		obj_size;
 
+	struct request_sock_ops	*rsk_prot;
+
 	struct module		*owner;
 
 	char			name[32];
diff --git a/include/net/tcp.h b/include/net/tcp.h
index e71f8ba3e10..f730935b824 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -31,6 +31,7 @@
 #include <linux/cache.h>
 #include <linux/percpu.h>
 #include <net/checksum.h>
+#include <net/request_sock.h>
 #include <net/sock.h>
 #include <net/snmp.h>
 #include <net/ip.h>
@@ -563,7 +564,6 @@ static __inline__ int tcp_sk_listen_hashfn(struct sock *sk)
 #define TCP_NAGLE_PUSH		4	/* Cork is overriden for already queued data */
 
 /* sysctl variables for tcp */
-extern int sysctl_max_syn_backlog;
 extern int sysctl_tcp_timestamps;
 extern int sysctl_tcp_window_scaling;
 extern int sysctl_tcp_sack;
@@ -613,74 +613,6 @@ extern atomic_t tcp_memory_allocated;
 extern atomic_t tcp_sockets_allocated;
 extern int tcp_memory_pressure;
 
-struct open_request;
-
-struct or_calltable {
-	int  family;
-	int  (*rtx_syn_ack)	(struct sock *sk, struct open_request *req, struct dst_entry*);
-	void (*send_ack)	(struct sk_buff *skb, struct open_request *req);
-	void (*destructor)	(struct open_request *req);
-	void (*send_reset)	(struct sk_buff *skb);
-};
-
-struct tcp_v4_open_req {
-	__u32			loc_addr;
-	__u32			rmt_addr;
-	struct ip_options	*opt;
-};
-
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
-struct tcp_v6_open_req {
-	struct in6_addr		loc_addr;
-	struct in6_addr		rmt_addr;
-	struct sk_buff		*pktopts;
-	int			iif;
-};
-#endif
-
-/* this structure is too big */
-struct open_request {
-	struct open_request	*dl_next; /* Must be first member! */
-	__u32			rcv_isn;
-	__u32			snt_isn;
-	__u16			rmt_port;
-	__u16			mss;
-	__u8			retrans;
-	__u8			__pad;
-	__u16	snd_wscale : 4, 
-		rcv_wscale : 4, 
-		tstamp_ok : 1,
-		sack_ok : 1,
-		wscale_ok : 1,
-		ecn_ok : 1,
-		acked : 1;
-	/* The following two fields can be easily recomputed I think -AK */
-	__u32			window_clamp;	/* window clamp at creation time */
-	__u32			rcv_wnd;	/* rcv_wnd offered first time */
-	__u32			ts_recent;
-	unsigned long		expires;
-	struct or_calltable	*class;
-	struct sock		*sk;
-	union {
-		struct tcp_v4_open_req v4_req;
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
-		struct tcp_v6_open_req v6_req;
-#endif
-	} af;
-};
-
-/* SLAB cache for open requests. */
-extern kmem_cache_t *tcp_openreq_cachep;
-
-#define tcp_openreq_alloc()		kmem_cache_alloc(tcp_openreq_cachep, SLAB_ATOMIC)
-#define tcp_openreq_fastfree(req)	kmem_cache_free(tcp_openreq_cachep, req)
-
-static inline void tcp_openreq_free(struct open_request *req)
-{
-	req->class->destructor(req);
-	tcp_openreq_fastfree(req);
-}
-
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 #define TCP_INET_FAMILY(fam) ((fam) == AF_INET)
 #else
@@ -708,7 +640,7 @@ struct tcp_func {
 
 	struct sock *		(*syn_recv_sock)	(struct sock *sk,
 							 struct sk_buff *skb,
-							 struct open_request *req,
+							 struct request_sock *req,
 							 struct dst_entry *dst);
     
 	int			(*remember_stamp)	(struct sock *sk);
@@ -852,8 +784,8 @@ extern enum tcp_tw_status	tcp_timewait_state_process(struct tcp_tw_bucket *tw,
 							   unsigned len);
 
 extern struct sock *		tcp_check_req(struct sock *sk,struct sk_buff *skb,
-					      struct open_request *req,
-					      struct open_request **prev);
+					      struct request_sock *req,
+					      struct request_sock **prev);
 extern int			tcp_child_process(struct sock *parent,
 						  struct sock *child,
 						  struct sk_buff *skb);
@@ -903,12 +835,12 @@ extern int			tcp_v4_conn_request(struct sock *sk,
 						    struct sk_buff *skb);
 
 extern struct sock *		tcp_create_openreq_child(struct sock *sk,
-							 struct open_request *req,
+							 struct request_sock *req,
 							 struct sk_buff *skb);
 
 extern struct sock *		tcp_v4_syn_recv_sock(struct sock *sk,
 						     struct sk_buff *skb,
-						     struct open_request *req,
+						     struct request_sock *req,
 							struct dst_entry *dst);
 
 extern int			tcp_v4_do_rcv(struct sock *sk,
@@ -922,7 +854,7 @@ extern int			tcp_connect(struct sock *sk);
 
 extern struct sk_buff *		tcp_make_synack(struct sock *sk,
 						struct dst_entry *dst,
-						struct open_request *req);
+						struct request_sock *req);
 
 extern int			tcp_disconnect(struct sock *sk, int flags);
 
@@ -1750,99 +1682,71 @@ static inline int tcp_full_space(const struct sock *sk)
 	return tcp_win_from_space(sk->sk_rcvbuf); 
 }
 
-static inline void tcp_acceptq_queue(struct sock *sk, struct open_request *req,
+static inline void tcp_acceptq_queue(struct sock *sk, struct request_sock *req,
 					 struct sock *child)
 {
-	struct tcp_sock *tp = tcp_sk(sk);
-
-	req->sk = child;
-	sk_acceptq_added(sk);
-
-	if (!tp->accept_queue_tail) {
-		tp->accept_queue = req;
-	} else {
-		tp->accept_queue_tail->dl_next = req;
-	}
-	tp->accept_queue_tail = req;
-	req->dl_next = NULL;
+	reqsk_queue_add(&tcp_sk(sk)->accept_queue, req, sk, child);
 }
 
-struct tcp_listen_opt
-{
-	u8			max_qlen_log;	/* log_2 of maximal queued SYNs */
-	int			qlen;
-	int			qlen_young;
-	int			clock_hand;
-	u32			hash_rnd;
-	struct open_request	*syn_table[TCP_SYNQ_HSIZE];
-};
-
 static inline void
-tcp_synq_removed(struct sock *sk, struct open_request *req)
+tcp_synq_removed(struct sock *sk, struct request_sock *req)
 {
-	struct tcp_listen_opt *lopt = tcp_sk(sk)->listen_opt;
-
-	if (--lopt->qlen == 0)
+	if (reqsk_queue_removed(&tcp_sk(sk)->accept_queue, req) == 0)
 		tcp_delete_keepalive_timer(sk);
-	if (req->retrans == 0)
-		lopt->qlen_young--;
 }
 
 static inline void tcp_synq_added(struct sock *sk)
 {
-	struct tcp_listen_opt *lopt = tcp_sk(sk)->listen_opt;
-
-	if (lopt->qlen++ == 0)
+	if (reqsk_queue_added(&tcp_sk(sk)->accept_queue) == 0)
 		tcp_reset_keepalive_timer(sk, TCP_TIMEOUT_INIT);
-	lopt->qlen_young++;
 }
 
 static inline int tcp_synq_len(struct sock *sk)
 {
-	return tcp_sk(sk)->listen_opt->qlen;
+	return reqsk_queue_len(&tcp_sk(sk)->accept_queue);
 }
 
 static inline int tcp_synq_young(struct sock *sk)
 {
-	return tcp_sk(sk)->listen_opt->qlen_young;
+	return reqsk_queue_len_young(&tcp_sk(sk)->accept_queue);
 }
 
 static inline int tcp_synq_is_full(struct sock *sk)
 {
-	return tcp_synq_len(sk) >> tcp_sk(sk)->listen_opt->max_qlen_log;
+	return reqsk_queue_is_full(&tcp_sk(sk)->accept_queue);
 }
 
-static inline void tcp_synq_unlink(struct tcp_sock *tp, struct open_request *req,
-				       struct open_request **prev)
+static inline void tcp_synq_unlink(struct tcp_sock *tp, struct request_sock *req,
+				   struct request_sock **prev)
 {
-	write_lock(&tp->syn_wait_lock);
-	*prev = req->dl_next;
-	write_unlock(&tp->syn_wait_lock);
+	reqsk_queue_unlink(&tp->accept_queue, req, prev);
 }
 
-static inline void tcp_synq_drop(struct sock *sk, struct open_request *req,
-				     struct open_request **prev)
+static inline void tcp_synq_drop(struct sock *sk, struct request_sock *req,
+				     struct request_sock **prev)
 {
 	tcp_synq_unlink(tcp_sk(sk), req, prev);
 	tcp_synq_removed(sk, req);
-	tcp_openreq_free(req);
+	reqsk_free(req);
 }
 
-static __inline__ void tcp_openreq_init(struct open_request *req,
+static __inline__ void tcp_openreq_init(struct request_sock *req,
 					struct tcp_options_received *rx_opt,
 					struct sk_buff *skb)
 {
+	struct inet_request_sock *ireq = inet_rsk(req);
+
 	req->rcv_wnd = 0;		/* So that tcp_send_synack() knows! */
-	req->rcv_isn = TCP_SKB_CB(skb)->seq;
+	tcp_rsk(req)->rcv_isn = TCP_SKB_CB(skb)->seq;
 	req->mss = rx_opt->mss_clamp;
 	req->ts_recent = rx_opt->saw_tstamp ? rx_opt->rcv_tsval : 0;
-	req->tstamp_ok = rx_opt->tstamp_ok;
-	req->sack_ok = rx_opt->sack_ok;
-	req->snd_wscale = rx_opt->snd_wscale;
-	req->wscale_ok = rx_opt->wscale_ok;
-	req->acked = 0;
-	req->ecn_ok = 0;
-	req->rmt_port = skb->h.th->source;
+	ireq->tstamp_ok = rx_opt->tstamp_ok;
+	ireq->sack_ok = rx_opt->sack_ok;
+	ireq->snd_wscale = rx_opt->snd_wscale;
+	ireq->wscale_ok = rx_opt->wscale_ok;
+	ireq->acked = 0;
+	ireq->ecn_ok = 0;
+	ireq->rmt_port = skb->h.th->source;
 }
 
 extern void tcp_enter_memory_pressure(void);
diff --git a/include/net/tcp_ecn.h b/include/net/tcp_ecn.h
index dc1456389a9..64980ee8c92 100644
--- a/include/net/tcp_ecn.h
+++ b/include/net/tcp_ecn.h
@@ -2,6 +2,7 @@
 #define _NET_TCP_ECN_H_ 1
 
 #include <net/inet_ecn.h>
+#include <net/request_sock.h>
 
 #define TCP_HP_BITS (~(TCP_RESERVED_BITS|TCP_FLAG_PSH))
 
@@ -38,9 +39,9 @@ static inline void TCP_ECN_send_syn(struct sock *sk, struct tcp_sock *tp,
 }
 
 static __inline__ void
-TCP_ECN_make_synack(struct open_request *req, struct tcphdr *th)
+TCP_ECN_make_synack(struct request_sock *req, struct tcphdr *th)
 {
-	if (req->ecn_ok)
+	if (inet_rsk(req)->ecn_ok)
 		th->ece = 1;
 }
 
@@ -111,16 +112,16 @@ static inline int TCP_ECN_rcv_ecn_echo(struct tcp_sock *tp, struct tcphdr *th)
 }
 
 static inline void TCP_ECN_openreq_child(struct tcp_sock *tp,
-					 struct open_request *req)
+					 struct request_sock *req)
 {
-	tp->ecn_flags = req->ecn_ok ? TCP_ECN_OK : 0;
+	tp->ecn_flags = inet_rsk(req)->ecn_ok ? TCP_ECN_OK : 0;
 }
 
 static __inline__ void
-TCP_ECN_create_request(struct open_request *req, struct tcphdr *th)
+TCP_ECN_create_request(struct request_sock *req, struct tcphdr *th)
 {
 	if (sysctl_tcp_ecn && th->ece && th->cwr)
-		req->ecn_ok = 1;
+		inet_rsk(req)->ecn_ok = 1;
 }
 
 #endif
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index d675836ba6c..029522a4ced 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -158,6 +158,20 @@ enum {
 	XFRM_STATE_DEAD
 };
 
+/* callback structure passed from either netlink or pfkey */
+struct km_event
+{
+	union {
+		u32 hard;
+		u32 proto;
+		u32 byid;
+	} data;
+
+	u32	seq;
+	u32	pid;
+	u32	event;
+};
+
 struct xfrm_type;
 struct xfrm_dst;
 struct xfrm_policy_afinfo {
@@ -179,6 +193,8 @@ struct xfrm_policy_afinfo {
 
 extern int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo);
 extern int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo);
+extern void km_policy_notify(struct xfrm_policy *xp, int dir, struct km_event *c);
+extern void km_state_notify(struct xfrm_state *x, struct km_event *c);
 
 #define XFRM_ACQ_EXPIRES	30
 
@@ -188,6 +204,7 @@ struct xfrm_state_afinfo {
 	rwlock_t		lock;
 	struct list_head	*state_bydst;
 	struct list_head	*state_byspi;
+	int			(*init_flags)(struct xfrm_state *x);
 	void			(*init_tempsel)(struct xfrm_state *x, struct flowi *fl,
 						struct xfrm_tmpl *tmpl,
 						xfrm_address_t *daddr, xfrm_address_t *saddr);
@@ -209,7 +226,7 @@ struct xfrm_type
 	struct module		*owner;
 	__u8			proto;
 
-	int			(*init_state)(struct xfrm_state *x, void *args);
+	int			(*init_state)(struct xfrm_state *x);
 	void			(*destructor)(struct xfrm_state *);
 	int			(*input)(struct xfrm_state *, struct xfrm_decap_state *, struct sk_buff *skb);
 	int			(*post_input)(struct xfrm_state *, struct xfrm_decap_state *, struct sk_buff *skb);
@@ -290,11 +307,11 @@ struct xfrm_mgr
 {
 	struct list_head	list;
 	char			*id;
-	int			(*notify)(struct xfrm_state *x, int event);
+	int			(*notify)(struct xfrm_state *x, struct km_event *c);
 	int			(*acquire)(struct xfrm_state *x, struct xfrm_tmpl *, struct xfrm_policy *xp, int dir);
 	struct xfrm_policy	*(*compile_policy)(u16 family, int opt, u8 *data, int len, int *dir);
 	int			(*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, u16 sport);
-	int			(*notify_policy)(struct xfrm_policy *x, int dir, int event);
+	int			(*notify_policy)(struct xfrm_policy *x, int dir, struct km_event *c);
 };
 
 extern int xfrm_register_km(struct xfrm_mgr *km);
@@ -656,7 +673,7 @@ static inline int xfrm_sk_clone_policy(struct sock *sk)
 	return 0;
 }
 
-extern void xfrm_policy_delete(struct xfrm_policy *pol, int dir);
+extern int xfrm_policy_delete(struct xfrm_policy *pol, int dir);
 
 static inline void xfrm_sk_free_policy(struct sock *sk)
 {
@@ -817,12 +834,13 @@ extern int xfrm_state_add(struct xfrm_state *x);
 extern int xfrm_state_update(struct xfrm_state *x);
 extern struct xfrm_state *xfrm_state_lookup(xfrm_address_t *daddr, u32 spi, u8 proto, unsigned short family);
 extern struct xfrm_state *xfrm_find_acq_byseq(u32 seq);
-extern void xfrm_state_delete(struct xfrm_state *x);
+extern int xfrm_state_delete(struct xfrm_state *x);
 extern void xfrm_state_flush(u8 proto);
 extern int xfrm_replay_check(struct xfrm_state *x, u32 seq);
 extern void xfrm_replay_advance(struct xfrm_state *x, u32 seq);
 extern int xfrm_state_check(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm_state_mtu(struct xfrm_state *x, int mtu);
+extern int xfrm_init_state(struct xfrm_state *x);
 extern int xfrm4_rcv(struct sk_buff *skb);
 extern int xfrm4_output(struct sk_buff *skb);
 extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler);