Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

include/linux/atalk.h

@@ -20,7 +20,7 @@
 #define SIOCATALKDIFADDR       (SIOCPROTOPRIVATE + 0)
 
 struct atalk_addr {
-	__u16	s_net;
+	__be16	s_net;
 	__u8	s_node;
 };
 
@@ -33,8 +33,8 @@ struct sockaddr_at {
 
 struct atalk_netrange {
 	__u8	nr_phase;
-	__u16	nr_firstnet;
-	__u16	nr_lastnet;
+	__be16	nr_firstnet;
+	__be16	nr_lastnet;
 };
 
 #ifdef __KERNEL__
@@ -70,8 +70,8 @@ struct atalk_iface {
 struct atalk_sock {
 	/* struct sock has to be the first member of atalk_sock */
 	struct sock	sk;
-	unsigned short	dest_net;
-	unsigned short	src_net;
+	__be16		dest_net;
+	__be16		src_net;
 	unsigned char	dest_node;
 	unsigned char	src_node;
 	unsigned char	dest_port;
@@ -95,9 +95,9 @@ struct ddpehdr {
 		deh_hops:4,
 		deh_len:10;
 #endif
-	__u16	deh_sum;
-	__u16	deh_dnet;
-	__u16	deh_snet;
+	__be16	deh_sum;
+	__be16	deh_dnet;
+	__be16	deh_snet;
 	__u8	deh_dnode;
 	__u8	deh_snode;
 	__u8	deh_dport;
@@ -142,24 +142,24 @@ struct ddpshdr {
 
 /* AppleTalk AARP headers */
 struct elapaarp {
-	__u16	hw_type;
+	__be16	hw_type;
 #define AARP_HW_TYPE_ETHERNET		1
 #define AARP_HW_TYPE_TOKENRING		2
-	__u16	pa_type;
+	__be16	pa_type;
 	__u8	hw_len;
 	__u8	pa_len;
 #define AARP_PA_ALEN			4
-	__u16	function;
+	__be16	function;
 #define AARP_REQUEST			1
 #define AARP_REPLY			2
 #define AARP_PROBE			3
 	__u8	hw_src[ETH_ALEN]	__attribute__ ((packed));
 	__u8	pa_src_zero		__attribute__ ((packed));
-	__u16	pa_src_net		__attribute__ ((packed));
+	__be16	pa_src_net		__attribute__ ((packed));
 	__u8	pa_src_node		__attribute__ ((packed));
 	__u8	hw_dst[ETH_ALEN]	__attribute__ ((packed));
 	__u8	pa_dst_zero		__attribute__ ((packed));
-	__u16	pa_dst_net		__attribute__ ((packed));
+	__be16	pa_dst_net		__attribute__ ((packed));
 	__u8	pa_dst_node		__attribute__ ((packed));	
 };
 

include/linux/netlink.h

@@ -14,6 +14,7 @@
 #define NETLINK_SELINUX		7	/* SELinux event notifications */
 #define NETLINK_ARPD		8
 #define NETLINK_AUDIT		9	/* auditing */
+#define NETLINK_FIB_LOOKUP	10	
 #define NETLINK_ROUTE6		11	/* af_inet6 route comm channel */
 #define NETLINK_IP6_FW		13
 #define NETLINK_DNRTMSG		14	/* DECnet routing messages */

include/linux/pfkeyv2.h

@@ -245,6 +245,7 @@ struct sadb_x_nat_t_port {
 
 /* Security Association flags */
 #define SADB_SAFLAGS_PFS	1
+#define SADB_SAFLAGS_NOPMTUDISC	0x20000000
 #define SADB_SAFLAGS_DECAP_DSCP	0x40000000
 #define SADB_SAFLAGS_NOECN	0x80000000
 

include/linux/xfrm.h

@@ -196,6 +196,7 @@ struct xfrm_usersa_info {
 	__u8				flags;
 #define XFRM_STATE_NOECN	1
 #define XFRM_STATE_DECAP_DSCP	2
+#define XFRM_STATE_NOPMTUDISC	4
 };
 
 struct xfrm_usersa_id {

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;

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
 

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)

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 */

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)

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. */
 

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);

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 */
 };
 
 /*

include/net/xfrm.h

@@ -204,6 +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);
@@ -225,7 +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);
@@ -839,6 +840,7 @@ 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);

net/appletalk/aarp.c

@@ -565,7 +565,7 @@ int aarp_send_ddp(struct net_device *dev, struct sk_buff *skb,
 			 *	numbers	we just happen to need. Now put the
 			 *	length in the lower two.
 			 */
-			*((__u16 *)skb->data) = htons(skb->len);
+			*((__be16 *)skb->data) = htons(skb->len);
 			ft = 1;
 		}
 		/*

net/appletalk/ddp.c

@@ -401,7 +401,7 @@ static struct atalk_iface *atalk_find_anynet(int node, struct net_device *dev)
 }
 
 /* Find a match for a specific network:node pair */
-static struct atalk_iface *atalk_find_interface(int net, int node)
+static struct atalk_iface *atalk_find_interface(__be16 net, int node)
 {
 	struct atalk_iface *iface;
 

net/ipv4/ah4.c

@@ -200,7 +200,7 @@ static void ah4_err(struct sk_buff *skb, u32 info)
 	xfrm_state_put(x);
 }
 
-static int ah_init_state(struct xfrm_state *x, void *args)
+static int ah_init_state(struct xfrm_state *x)
 {
 	struct ah_data *ahp = NULL;
 	struct xfrm_algo_desc *aalg_desc;

net/ipv4/esp4.c

@@ -362,7 +362,7 @@ static void esp_destroy(struct xfrm_state *x)
 	kfree(esp);
 }
 
-static int esp_init_state(struct xfrm_state *x, void *args)
+static int esp_init_state(struct xfrm_state *x)
 {
 	struct esp_data *esp = NULL;
 

net/ipv4/fib_frontend.c

@@ -516,6 +516,60 @@ static void fib_del_ifaddr(struct in_ifaddr *ifa)
 #undef BRD1_OK
 }
 
+static void nl_fib_lookup(struct fib_result_nl *frn, struct fib_table *tb )
+{
+	
+	struct fib_result       res;
+	struct flowi            fl = { .nl_u = { .ip4_u = { .daddr = frn->fl_addr, 
+							    .fwmark = frn->fl_fwmark,
+							    .tos = frn->fl_tos,
+							    .scope = frn->fl_scope } } };
+	if (tb) {
+		local_bh_disable();
+
+		frn->tb_id = tb->tb_id;
+		frn->err = tb->tb_lookup(tb, &fl, &res);
+
+		if (!frn->err) {
+			frn->prefixlen = res.prefixlen;
+			frn->nh_sel = res.nh_sel;
+			frn->type = res.type;
+			frn->scope = res.scope;
+		}
+		local_bh_enable();
+	}
+}
+
+static void nl_fib_input(struct sock *sk, int len)
+{
+	struct sk_buff *skb = NULL;
+        struct nlmsghdr *nlh = NULL;
+	struct fib_result_nl *frn;
+	int err;
+	u32 pid;     
+	struct fib_table *tb;
+	
+	skb = skb_recv_datagram(sk, 0, 0, &err);
+	nlh = (struct nlmsghdr *)skb->data;
+	
+	frn = (struct fib_result_nl *) NLMSG_DATA(nlh);
+	tb = fib_get_table(frn->tb_id_in);
+
+	nl_fib_lookup(frn, tb);
+	
+	pid = nlh->nlmsg_pid;           /*pid of sending process */
+	NETLINK_CB(skb).groups = 0;     /* not in mcast group */
+	NETLINK_CB(skb).pid = 0;         /* from kernel */
+	NETLINK_CB(skb).dst_pid = pid;
+	NETLINK_CB(skb).dst_groups = 0;  /* unicast */
+	netlink_unicast(sk, skb, pid, MSG_DONTWAIT);
+}    
+
+static void nl_fib_lookup_init(void)
+{
+      netlink_kernel_create(NETLINK_FIB_LOOKUP, nl_fib_input);
+}
+
 static void fib_disable_ip(struct net_device *dev, int force)
 {
 	if (fib_sync_down(0, dev, force))
@@ -604,6 +658,7 @@ void __init ip_fib_init(void)
 
 	register_netdevice_notifier(&fib_netdev_notifier);
 	register_inetaddr_notifier(&fib_inetaddr_notifier);
+	nl_fib_lookup_init();
 }
 
 EXPORT_SYMBOL(inet_addr_type);

net/ipv4/ipcomp.c

@@ -237,14 +237,9 @@ static struct xfrm_state *ipcomp_tunnel_create(struct xfrm_state *x)
 	t->props.saddr.a4 = x->props.saddr.a4;
 	t->props.flags = x->props.flags;
 
-	t->type = xfrm_get_type(IPPROTO_IPIP, t->props.family);
-	if (t->type == NULL)
+	if (xfrm_init_state(t))
 		goto error;
 
-	if (t->type->init_state(t, NULL))
-		goto error;
-
-	t->km.state = XFRM_STATE_VALID;
 	atomic_set(&t->tunnel_users, 1);
 out:
 	return t;
@@ -422,7 +417,7 @@ static void ipcomp_destroy(struct xfrm_state *x)
 	kfree(ipcd);
 }
 
-static int ipcomp_init_state(struct xfrm_state *x, void *args)
+static int ipcomp_init_state(struct xfrm_state *x)
 {
 	int err;
 	struct ipcomp_data *ipcd;

net/ipv4/xfrm4_output.c

@@ -33,6 +33,7 @@ static void xfrm4_encap(struct sk_buff *skb)
 	struct dst_entry *dst = skb->dst;
 	struct xfrm_state *x = dst->xfrm;
 	struct iphdr *iph, *top_iph;
+	int flags;
 
 	iph = skb->nh.iph;
 	skb->h.ipiph = iph;
@@ -51,10 +52,13 @@ static void xfrm4_encap(struct sk_buff *skb)
 
 	/* DS disclosed */
 	top_iph->tos = INET_ECN_encapsulate(iph->tos, iph->tos);
-	if (x->props.flags & XFRM_STATE_NOECN)
+
+	flags = x->props.flags;
+	if (flags & XFRM_STATE_NOECN)
 		IP_ECN_clear(top_iph);
 
-	top_iph->frag_off = iph->frag_off & htons(IP_DF);
+	top_iph->frag_off = (flags & XFRM_STATE_NOPMTUDISC) ?
+		0 : (iph->frag_off & htons(IP_DF));
 	if (!top_iph->frag_off)
 		__ip_select_ident(top_iph, dst, 0);
 

net/ipv4/xfrm4_state.c

@@ -7,12 +7,20 @@
  *
  */
 
+#include <net/ip.h>
 #include <net/xfrm.h>
 #include <linux/pfkeyv2.h>
 #include <linux/ipsec.h>
 
 static struct xfrm_state_afinfo xfrm4_state_afinfo;
 
+static int xfrm4_init_flags(struct xfrm_state *x)
+{
+	if (ipv4_config.no_pmtu_disc)
+		x->props.flags |= XFRM_STATE_NOPMTUDISC;
+	return 0;
+}
+
 static void
 __xfrm4_init_tempsel(struct xfrm_state *x, struct flowi *fl,
 		     struct xfrm_tmpl *tmpl,
@@ -109,6 +117,7 @@ __xfrm4_find_acq(u8 mode, u32 reqid, u8 proto,
 static struct xfrm_state_afinfo xfrm4_state_afinfo = {
 	.family			= AF_INET,
 	.lock			= RW_LOCK_UNLOCKED,
+	.init_flags		= xfrm4_init_flags,
 	.init_tempsel		= __xfrm4_init_tempsel,
 	.state_lookup		= __xfrm4_state_lookup,
 	.find_acq		= __xfrm4_find_acq,

net/ipv4/xfrm4_tunnel.c

@@ -84,7 +84,7 @@ static void ipip_err(struct sk_buff *skb, u32 info)
 		handler->err_handler(skb, &arg);
 }
 
-static int ipip_init_state(struct xfrm_state *x, void *args)
+static int ipip_init_state(struct xfrm_state *x)
 {
 	if (!x->props.mode)
 		return -EINVAL;

net/ipv6/ah6.c

@@ -339,7 +339,7 @@ static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	xfrm_state_put(x);
 }
 
-static int ah6_init_state(struct xfrm_state *x, void *args)
+static int ah6_init_state(struct xfrm_state *x)
 {
 	struct ah_data *ahp = NULL;
 	struct xfrm_algo_desc *aalg_desc;

net/ipv6/esp6.c

@@ -296,7 +296,7 @@ static void esp6_destroy(struct xfrm_state *x)
 	kfree(esp);
 }
 
-static int esp6_init_state(struct xfrm_state *x, void *args)
+static int esp6_init_state(struct xfrm_state *x)
 {
 	struct esp_data *esp = NULL;
 

net/ipv6/ipcomp6.c

@@ -234,14 +234,9 @@ static struct xfrm_state *ipcomp6_tunnel_create(struct xfrm_state *x)
 	t->props.mode = 1;
 	memcpy(t->props.saddr.a6, x->props.saddr.a6, sizeof(struct in6_addr));
 
-	t->type = xfrm_get_type(IPPROTO_IPV6, t->props.family);
-	if (t->type == NULL)
+	if (xfrm_init_state(t))
 		goto error;
 
-	if (t->type->init_state(t, NULL))
-		goto error;
-
-	t->km.state = XFRM_STATE_VALID;
 	atomic_set(&t->tunnel_users, 1);
 
 out:
@@ -420,7 +415,7 @@ static void ipcomp6_destroy(struct xfrm_state *x)
 	xfrm6_tunnel_free_spi((xfrm_address_t *)&x->props.saddr);
 }
 
-static int ipcomp6_init_state(struct xfrm_state *x, void *args)
+static int ipcomp6_init_state(struct xfrm_state *x)
 {
 	int err;
 	struct ipcomp_data *ipcd;

net/ipv6/xfrm6_tunnel.c

@@ -466,7 +466,7 @@ static void xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	return;
 }
 
-static int xfrm6_tunnel_init_state(struct xfrm_state *x, void *args)
+static int xfrm6_tunnel_init_state(struct xfrm_state *x)
 {
 	if (!x->props.mode)
 		return -EINVAL;

net/key/af_key.c

@@ -690,6 +690,8 @@ static struct sk_buff * pfkey_xfrm_state2msg(struct xfrm_state *x, int add_keys,
 		sa->sadb_sa_flags |= SADB_SAFLAGS_NOECN;
 	if (x->props.flags & XFRM_STATE_DECAP_DSCP)
 		sa->sadb_sa_flags |= SADB_SAFLAGS_DECAP_DSCP;
+	if (x->props.flags & XFRM_STATE_NOPMTUDISC)
+		sa->sadb_sa_flags |= SADB_SAFLAGS_NOPMTUDISC;
 
 	/* hard time */
 	if (hsc & 2) {
@@ -974,6 +976,8 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct sadb_msg *hdr,
 		x->props.flags |= XFRM_STATE_NOECN;
 	if (sa->sadb_sa_flags & SADB_SAFLAGS_DECAP_DSCP)
 		x->props.flags |= XFRM_STATE_DECAP_DSCP;
+	if (sa->sadb_sa_flags & SADB_SAFLAGS_NOPMTUDISC)
+		x->props.flags |= XFRM_STATE_NOPMTUDISC;
 
 	lifetime = (struct sadb_lifetime*) ext_hdrs[SADB_EXT_LIFETIME_HARD-1];
 	if (lifetime != NULL) {
@@ -1096,17 +1100,11 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct sadb_msg *hdr,
 		}
 	}
 
-	x->type = xfrm_get_type(proto, x->props.family);
-	if (x->type == NULL) {
-		err = -ENOPROTOOPT;
-		goto out;
-	}
-	if (x->type->init_state(x, NULL)) {
-		err = -EINVAL;
+	err = xfrm_init_state(x);
+	if (err)
 		goto out;
-	}
+
 	x->km.seq = hdr->sadb_msg_seq;
-	x->km.state = XFRM_STATE_VALID;
 	return x;
 
 out:

net/sctp/associola.c

@@ -191,10 +191,6 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 	asoc->last_cwr_tsn = asoc->ctsn_ack_point;
 	asoc->unack_data = 0;
 
-	SCTP_DEBUG_PRINTK("myctsnap for %s INIT as 0x%x.\n",
-			  asoc->ep->debug_name,
-			  asoc->ctsn_ack_point);
-
 	/* ADDIP Section 4.1 Asconf Chunk Procedures
 	 *
 	 * When an endpoint has an ASCONF signaled change to be sent to the
@@ -211,6 +207,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 
 	/* Make an empty list of remote transport addresses.  */
 	INIT_LIST_HEAD(&asoc->peer.transport_addr_list);
+	asoc->peer.transport_count = 0;
 
 	/* RFC 2960 5.1 Normal Establishment of an Association
 	 *
@@ -288,6 +285,7 @@ struct sctp_association *sctp_association_new(const struct sctp_endpoint *ep,
 
 	asoc->base.malloced = 1;
 	SCTP_DBG_OBJCNT_INC(assoc);
+	SCTP_DEBUG_PRINTK("Created asoc %p\n", asoc);
 
 	return asoc;
 
@@ -356,6 +354,8 @@ void sctp_association_free(struct sctp_association *asoc)
 		sctp_transport_free(transport);
 	}
 
+	asoc->peer.transport_count = 0;
+
 	/* Free any cached ASCONF_ACK chunk. */
 	if (asoc->addip_last_asconf_ack)
 		sctp_chunk_free(asoc->addip_last_asconf_ack);
@@ -400,7 +400,7 @@ void sctp_assoc_set_primary(struct sctp_association *asoc,
 	/* If the primary path is changing, assume that the
 	 * user wants to use this new path.
 	 */
-	if (transport->active)
+	if (transport->state != SCTP_INACTIVE)
 		asoc->peer.active_path = transport;
 
 	/*
@@ -428,10 +428,58 @@ void sctp_assoc_set_primary(struct sctp_association *asoc,
 	transport->cacc.next_tsn_at_change = asoc->next_tsn;
 }
 
+/* Remove a transport from an association.  */
+void sctp_assoc_rm_peer(struct sctp_association *asoc,
+			struct sctp_transport *peer)
+{
+	struct list_head	*pos;
+	struct sctp_transport	*transport;
+
+	SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_rm_peer:association %p addr: ",
+				 " port: %d\n",
+				 asoc,
+				 (&peer->ipaddr),
+				 peer->ipaddr.v4.sin_port);
+
+	/* If we are to remove the current retran_path, update it
+	 * to the next peer before removing this peer from the list.
+	 */
+	if (asoc->peer.retran_path == peer)
+		sctp_assoc_update_retran_path(asoc);
+
+	/* Remove this peer from the list. */
+	list_del(&peer->transports);
+
+	/* Get the first transport of asoc. */
+	pos = asoc->peer.transport_addr_list.next;
+	transport = list_entry(pos, struct sctp_transport, transports);
+
+	/* Update any entries that match the peer to be deleted. */
+	if (asoc->peer.primary_path == peer)
+		sctp_assoc_set_primary(asoc, transport);
+	if (asoc->peer.active_path == peer)
+		asoc->peer.active_path = transport;
+	if (asoc->peer.last_data_from == peer)
+		asoc->peer.last_data_from = transport;
+
+	/* If we remove the transport an INIT was last sent to, set it to
+	 * NULL. Combined with the update of the retran path above, this
+	 * will cause the next INIT to be sent to the next available
+	 * transport, maintaining the cycle.
+	 */
+	if (asoc->init_last_sent_to == peer)
+		asoc->init_last_sent_to = NULL;
+
+	asoc->peer.transport_count--;
+
+	sctp_transport_free(peer);
+}
+
 /* Add a transport address to an association.  */
 struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
 					   const union sctp_addr *addr,
-					   int gfp)
+					   const int gfp,
+					   const int peer_state)
 {
 	struct sctp_transport *peer;
 	struct sctp_sock *sp;
@@ -442,14 +490,25 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
 	/* AF_INET and AF_INET6 share common port field. */
 	port = addr->v4.sin_port;
 
+	SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_add_peer:association %p addr: ",
+				 " port: %d state:%s\n",
+				 asoc,
+				 addr,
+				 addr->v4.sin_port,
+				 peer_state == SCTP_UNKNOWN?"UNKNOWN":"ACTIVE");
+
 	/* Set the port if it has not been set yet.  */
 	if (0 == asoc->peer.port)
 		asoc->peer.port = port;
 
 	/* Check to see if this is a duplicate. */
 	peer = sctp_assoc_lookup_paddr(asoc, addr);
-	if (peer)
+	if (peer) {
+		if (peer_state == SCTP_ACTIVE &&
+		    peer->state == SCTP_UNKNOWN)
+		     peer->state = SCTP_ACTIVE;
 		return peer;
+	}
 
 	peer = sctp_transport_new(addr, gfp);
 	if (!peer)
@@ -516,8 +575,12 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
 	/* Set the transport's RTO.initial value */
 	peer->rto = asoc->rto_initial;
 
+	/* Set the peer's active state. */
+	peer->state = peer_state;
+
 	/* Attach the remote transport to our asoc.  */
 	list_add_tail(&peer->transports, &asoc->peer.transport_addr_list);
+	asoc->peer.transport_count++;
 
 	/* If we do not yet have a primary path, set one.  */
 	if (!asoc->peer.primary_path) {
@@ -525,8 +588,9 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
 		asoc->peer.retran_path = peer;
 	}
 
-	if (asoc->peer.active_path == asoc->peer.retran_path)
+	if (asoc->peer.active_path == asoc->peer.retran_path) {
 		asoc->peer.retran_path = peer;
+	}
 
 	return peer;
 }
@@ -537,37 +601,16 @@ void sctp_assoc_del_peer(struct sctp_association *asoc,
 {
 	struct list_head	*pos;
 	struct list_head	*temp;
-	struct sctp_transport	*peer = NULL;
 	struct sctp_transport	*transport;
 
 	list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
 		transport = list_entry(pos, struct sctp_transport, transports);
 		if (sctp_cmp_addr_exact(addr, &transport->ipaddr)) {
-			peer = transport;
-			list_del(pos);
+			/* Do book keeping for removing the peer and free it. */
+			sctp_assoc_rm_peer(asoc, transport);
 			break;
 		}
 	}
-
-	/* The address we want delete is not in the association. */
-	if (!peer)
-		return;
-
-	/* Get the first transport of asoc. */ 
-	pos = asoc->peer.transport_addr_list.next;
-	transport = list_entry(pos, struct sctp_transport, transports);
-
-	/* Update any entries that match the peer to be deleted. */  
-	if (asoc->peer.primary_path == peer)
-		sctp_assoc_set_primary(asoc, transport);
-	if (asoc->peer.active_path == peer)
-		asoc->peer.active_path = transport;
-	if (asoc->peer.retran_path == peer)
-		asoc->peer.retran_path = transport;
-	if (asoc->peer.last_data_from == peer)
-		asoc->peer.last_data_from = transport;
-
-	sctp_transport_free(peer);
 }
 
 /* Lookup a transport by address. */
@@ -608,12 +651,12 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
 	/* Record the transition on the transport.  */
 	switch (command) {
 	case SCTP_TRANSPORT_UP:
-		transport->active = SCTP_ACTIVE;
+		transport->state = SCTP_ACTIVE;
 		spc_state = SCTP_ADDR_AVAILABLE;
 		break;
 
 	case SCTP_TRANSPORT_DOWN:
-		transport->active = SCTP_INACTIVE;
+		transport->state = SCTP_INACTIVE;
 		spc_state = SCTP_ADDR_UNREACHABLE;
 		break;
 
@@ -643,7 +686,7 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
 	list_for_each(pos, &asoc->peer.transport_addr_list) {
 		t = list_entry(pos, struct sctp_transport, transports);
 
-		if (!t->active)
+		if (t->state == SCTP_INACTIVE)
 			continue;
 		if (!first || t->last_time_heard > first->last_time_heard) {
 			second = first;
@@ -663,7 +706,7 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
 	 * [If the primary is active but not most recent, bump the most
 	 * recently used transport.]
 	 */
-	if (asoc->peer.primary_path->active &&
+	if (asoc->peer.primary_path->state != SCTP_INACTIVE &&
 	    first != asoc->peer.primary_path) {
 		second = first;
 		first = asoc->peer.primary_path;
@@ -958,7 +1001,7 @@ void sctp_assoc_update(struct sctp_association *asoc,
 					   transports);
 			if (!sctp_assoc_lookup_paddr(asoc, &trans->ipaddr))
 				sctp_assoc_add_peer(asoc, &trans->ipaddr,
-						    GFP_ATOMIC);
+						    GFP_ATOMIC, SCTP_ACTIVE);
 		}
 
 		asoc->ctsn_ack_point = asoc->next_tsn - 1;
@@ -998,7 +1041,7 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc)
 
 		/* Try to find an active transport. */
 
-		if (t->active) {
+		if (t->state != SCTP_INACTIVE) {
 			break;
 		} else {
 			/* Keep track of the next transport in case
@@ -1019,6 +1062,40 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc)
 	}
 
 	asoc->peer.retran_path = t;
+
+	SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_update_retran_path:association"
+				 " %p addr: ",
+				 " port: %d\n",
+				 asoc,
+				 (&t->ipaddr),
+				 t->ipaddr.v4.sin_port);
+}
+
+/* Choose the transport for sending a INIT packet.  */
+struct sctp_transport *sctp_assoc_choose_init_transport(
+	struct sctp_association *asoc)
+{
+	struct sctp_transport *t;
+
+	/* Use the retran path. If the last INIT was sent over the
+	 * retran path, update the retran path and use it.
+	 */
+	if (!asoc->init_last_sent_to) {
+		t = asoc->peer.active_path;
+	} else {
+		if (asoc->init_last_sent_to == asoc->peer.retran_path)
+			sctp_assoc_update_retran_path(asoc);
+		t = asoc->peer.retran_path;
+	}
+
+	SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_update_retran_path:association"
+				 " %p addr: ",
+				 " port: %d\n",
+				 asoc,
+				 (&t->ipaddr),
+				 t->ipaddr.v4.sin_port);
+
+	return t;
 }
 
 /* Choose the transport for sending a SHUTDOWN packet.  */

net/sctp/endpointola.c

@@ -134,7 +134,6 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
 	ep->last_key = ep->current_key = 0;
 	ep->key_changed_at = jiffies;
 
-	ep->debug_name = "unnamedEndpoint";
 	return ep;
 }
 

net/sctp/input.c

@@ -353,7 +353,7 @@ void sctp_icmp_proto_unreachable(struct sock *sk,
 
 	sctp_do_sm(SCTP_EVENT_T_OTHER,
 		   SCTP_ST_OTHER(SCTP_EVENT_ICMP_PROTO_UNREACH),
-		   asoc->state, asoc->ep, asoc, NULL,
+		   asoc->state, asoc->ep, asoc, t,
 		   GFP_ATOMIC);
 
 }

net/sctp/outqueue.c

@@ -682,7 +682,7 @@ int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 
 		if (!new_transport) {
 			new_transport = asoc->peer.active_path;
-		} else if (!new_transport->active) {
+		} else if (new_transport->state == SCTP_INACTIVE) {
 			/* If the chunk is Heartbeat or Heartbeat Ack,
 			 * send it to chunk->transport, even if it's
 			 * inactive.
@@ -840,7 +840,8 @@ int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 			 * Otherwise, we want to use the active path.
 			 */
 			new_transport = chunk->transport;
-			if (!new_transport || !new_transport->active)
+			if (!new_transport ||
+			    new_transport->state == SCTP_INACTIVE)
 				new_transport = asoc->peer.active_path;
 
 			/* Change packets if necessary.  */
@@ -1454,7 +1455,7 @@ static void sctp_check_transmitted(struct sctp_outq *q,
 			/* Mark the destination transport address as
 			 * active if it is not so marked.
 			 */
-			if (!transport->active) {
+			if (transport->state == SCTP_INACTIVE) {
 				sctp_assoc_control_transport(
 					transport->asoc,
 					transport,

net/sctp/sm_make_chunk.c

@@ -1830,7 +1830,7 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
 	 * be a a better choice than any of the embedded addresses.
 	 */
 	if (peer_addr)
-		if(!sctp_assoc_add_peer(asoc, peer_addr, gfp))
+		if(!sctp_assoc_add_peer(asoc, peer_addr, gfp, SCTP_ACTIVE))
 			goto nomem;
 
 	/* Process the initialization parameters.  */
@@ -1841,6 +1841,14 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
                         goto clean_up;
 	}
 
+	/* Walk list of transports, removing transports in the UNKNOWN state. */
+	list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
+		transport = list_entry(pos, struct sctp_transport, transports);
+		if (transport->state == SCTP_UNKNOWN) {
+			sctp_assoc_rm_peer(asoc, transport);
+		}
+	}
+
 	/* The fixed INIT headers are always in network byte
 	 * order.
 	 */
@@ -1906,7 +1914,8 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
 	 * stream sequence number shall be set to 0.
 	 */
 
-	/* Allocate storage for the negotiated streams if it is not a temporary 	 * association.
+	/* Allocate storage for the negotiated streams if it is not a temporary
+ 	 * association.
 	 */
 	if (!asoc->temp) {
 		int assoc_id;
@@ -1952,6 +1961,9 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
 		list_del_init(pos);
 		sctp_transport_free(transport);
 	}
+
+	asoc->peer.transport_count = 0;
+
 nomem:
 	return 0;
 }
@@ -1995,7 +2007,7 @@ static int sctp_process_param(struct sctp_association *asoc,
 		af->from_addr_param(&addr, param.addr, asoc->peer.port, 0);
 		scope = sctp_scope(peer_addr);
 		if (sctp_in_scope(&addr, scope))
-			if (!sctp_assoc_add_peer(asoc, &addr, gfp))
+			if (!sctp_assoc_add_peer(asoc, &addr, gfp, SCTP_ACTIVE))
 				return 0;
 		break;
 
@@ -2396,7 +2408,7 @@ static __u16 sctp_process_asconf_param(struct sctp_association *asoc,
 	 	 * Due to Resource Shortage'.
 	 	 */
 
-		peer = sctp_assoc_add_peer(asoc, &addr, GFP_ATOMIC);
+		peer = sctp_assoc_add_peer(asoc, &addr, GFP_ATOMIC, SCTP_ACTIVE);
 		if (!peer)
 			return SCTP_ERROR_RSRC_LOW;
 

net/sctp/sm_sideeffect.c

@@ -414,11 +414,13 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
 	 */
 	asoc->overall_error_count++;
 
-	if (transport->active &&
+	if (transport->state != SCTP_INACTIVE &&
 	    (transport->error_count++ >= transport->max_retrans)) {
-		SCTP_DEBUG_PRINTK("transport_strike: transport "
-				  "IP:%d.%d.%d.%d failed.\n",
-				  NIPQUAD(transport->ipaddr.v4.sin_addr));
+		SCTP_DEBUG_PRINTK_IPADDR("transport_strike:association %p",
+					 " transport IP: port:%d failed.\n",
+					 asoc,
+					 (&transport->ipaddr),
+					 transport->ipaddr.v4.sin_port);
 		sctp_assoc_control_transport(asoc, transport,
 					     SCTP_TRANSPORT_DOWN,
 					     SCTP_FAILED_THRESHOLD);
@@ -593,7 +595,7 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
 	/* Mark the destination transport address as active if it is not so
 	 * marked.
 	 */
-	if (!t->active)
+	if (t->state == SCTP_INACTIVE)
 		sctp_assoc_control_transport(asoc, t, SCTP_TRANSPORT_UP,
 					     SCTP_HEARTBEAT_SUCCESS);
 
@@ -665,6 +667,9 @@ static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds,
 
 	asoc->state = state;
 
+	SCTP_DEBUG_PRINTK("sctp_cmd_new_state: asoc %p[%s]\n",
+			  asoc, sctp_state_tbl[state]);
+
 	if (sctp_style(sk, TCP)) {
 		/* Change the sk->sk_state of a TCP-style socket that has
 		 * sucessfully completed a connect() call.
@@ -678,6 +683,16 @@ static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds,
 			sk->sk_shutdown |= RCV_SHUTDOWN;
 	}
 
+	if (sctp_state(asoc, COOKIE_WAIT)) {
+		/* Reset init timeouts since they may have been
+		 * increased due to timer expirations.
+		 */
+		asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] =
+			asoc->ep->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT];
+		asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] =
+			asoc->ep->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE];
+	}
+
 	if (sctp_state(asoc, ESTABLISHED) ||
 	    sctp_state(asoc, CLOSED) ||
 	    sctp_state(asoc, SHUTDOWN_RECEIVED)) {
@@ -1122,7 +1137,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 			 */
 			if ((asoc->peer.retran_path !=
 			     asoc->peer.primary_path) &&
-			    (asoc->counters[SCTP_COUNTER_INIT_ERROR] > 0)) {
+			    (asoc->init_err_counter > 0)) {
 				sctp_add_cmd_sf(commands,
 				                SCTP_CMD_FORCE_PRIM_RETRAN,
 						SCTP_NULL());
@@ -1237,18 +1252,67 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 				sctp_association_put(asoc);
 			break;
 
+		case SCTP_CMD_INIT_CHOOSE_TRANSPORT:
+			chunk = cmd->obj.ptr;
+			t = sctp_assoc_choose_init_transport(asoc);
+			asoc->init_last_sent_to = t;
+			chunk->transport = t;
+			t->init_sent_count++;
+			break;
+
 		case SCTP_CMD_INIT_RESTART:
 			/* Do the needed accounting and updates
 			 * associated with restarting an initialization
-			 * timer.
+			 * timer. Only multiply the timeout by two if
+			 * all transports have been tried at the current
+			 * timeout.
+			 */
+			t = asoc->init_last_sent_to;
+			asoc->init_err_counter++;
+
+			if (t->init_sent_count > (asoc->init_cycle + 1)) {
+				asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] *= 2;
+				if (asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] >
+				    asoc->max_init_timeo) {
+					asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] =
+						asoc->max_init_timeo;
+				}
+				asoc->init_cycle++;
+				SCTP_DEBUG_PRINTK(
+					"T1 INIT Timeout adjustment"
+					" init_err_counter: %d"
+					" cycle: %d"
+					" timeout: %d\n",
+					asoc->init_err_counter,
+					asoc->init_cycle,
+					asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT]);
+			}
+
+			sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART,
+					SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT));
+			break;
+
+		case SCTP_CMD_COOKIEECHO_RESTART:
+			/* Do the needed accounting and updates
+			 * associated with restarting an initialization
+			 * timer. Only multiply the timeout by two if
+			 * all transports have been tried at the current
+			 * timeout.
 			 */
-			asoc->counters[SCTP_COUNTER_INIT_ERROR]++;
-			asoc->timeouts[cmd->obj.to] *= 2;
-			if (asoc->timeouts[cmd->obj.to] >
+			asoc->init_err_counter++;
+
+			asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] *= 2;
+			if (asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] >
 			    asoc->max_init_timeo) {
-				asoc->timeouts[cmd->obj.to] =
+				asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] =
 					asoc->max_init_timeo;
 			}
+			SCTP_DEBUG_PRINTK(
+				"T1 COOKIE Timeout adjustment"
+				" init_err_counter: %d"
+				" timeout: %d\n",
+				asoc->init_err_counter,
+				asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE]);
 
 			/* If we've sent any data bundled with
 			 * COOKIE-ECHO we need to resend.
@@ -1261,7 +1325,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 
 			sctp_add_cmd_sf(commands,
 					SCTP_CMD_TIMER_RESTART,
-					SCTP_TO(cmd->obj.to));
+					SCTP_TO(SCTP_EVENT_TIMEOUT_T1_COOKIE));
 			break;
 
 		case SCTP_CMD_INIT_FAILED:
@@ -1273,12 +1337,13 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 					      subtype, chunk, cmd->obj.u32);
 			break;
 
-		case SCTP_CMD_COUNTER_INC:
-			asoc->counters[cmd->obj.counter]++;
+		case SCTP_CMD_INIT_COUNTER_INC:
+			asoc->init_err_counter++;
 			break;
 
-		case SCTP_CMD_COUNTER_RESET:
-			asoc->counters[cmd->obj.counter] = 0;
+		case SCTP_CMD_INIT_COUNTER_RESET:
+			asoc->init_err_counter = 0;
+			asoc->init_cycle = 0;
 			break;
 
 		case SCTP_CMD_REPORT_DUP:

net/sctp/sm_statefuns.c

@@ -533,6 +533,9 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep,
 	sctp_add_cmd_sf(commands, SCTP_CMD_PEER_INIT,
 			SCTP_PEER_INIT(initchunk));
 
+	/* Reset init error count upon receipt of INIT-ACK.  */
+	sctp_add_cmd_sf(commands, SCTP_CMD_INIT_COUNTER_RESET, SCTP_NULL());
+
 	/* 5.1 C) "A" shall stop the T1-init timer and leave
 	 * COOKIE-WAIT state.  "A" shall then ... start the T1-cookie
 	 * timer, and enter the COOKIE-ECHOED state.
@@ -775,8 +778,7 @@ sctp_disposition_t sctp_sf_do_5_1E_ca(const struct sctp_endpoint *ep,
 	 * from the COOKIE-ECHOED state to the COOKIE-WAIT
 	 * state is performed.
 	 */
-	sctp_add_cmd_sf(commands, SCTP_CMD_COUNTER_RESET,
-	                SCTP_COUNTER(SCTP_COUNTER_INIT_ERROR));
+	sctp_add_cmd_sf(commands, SCTP_CMD_INIT_COUNTER_RESET, SCTP_NULL());
 
 	/* RFC 2960 5.1 Normal Establishment of an Association
 	 *
@@ -1019,10 +1021,22 @@ sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep,
 	link = sctp_assoc_lookup_paddr(asoc, &from_addr);
 
 	/* This should never happen, but lets log it if so.  */
-	if (!link) {
+	if (unlikely(!link)) {
+		if (from_addr.sa.sa_family == AF_INET6) {
+			printk(KERN_WARNING
+			       "%s association %p could not find address "
+			       "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+			       __FUNCTION__,
+			       asoc,
+			       NIP6(from_addr.v6.sin6_addr));
+		} else {
 			printk(KERN_WARNING
-		       "%s: Could not find address %d.%d.%d.%d\n",
-		       __FUNCTION__, NIPQUAD(from_addr.v4.sin_addr));
+			       "%s association %p could not find address "
+			       "%u.%u.%u.%u\n",
+			       __FUNCTION__,
+			       asoc,
+			       NIPQUAD(from_addr.v4.sin_addr.s_addr));
+		}
 		return SCTP_DISPOSITION_DISCARD;
 	}
 
@@ -2095,9 +2109,7 @@ static sctp_disposition_t sctp_sf_do_5_2_6_stale(const struct sctp_endpoint *ep,
 	sctp_errhdr_t *err;
 	struct sctp_chunk *reply;
 	struct sctp_bind_addr *bp;
-	int attempts;
-
-	attempts = asoc->counters[SCTP_COUNTER_INIT_ERROR] + 1;
+	int attempts = asoc->init_err_counter + 1;
 
 	if (attempts >= asoc->max_init_attempts) {
 		sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
@@ -2157,8 +2169,7 @@ static sctp_disposition_t sctp_sf_do_5_2_6_stale(const struct sctp_endpoint *ep,
 	/* Cast away the const modifier, as we want to just
 	 * rerun it through as a sideffect.
 	 */
-	sctp_add_cmd_sf(commands, SCTP_CMD_COUNTER_INC,
-			SCTP_COUNTER(SCTP_COUNTER_INIT_ERROR));
+	sctp_add_cmd_sf(commands, SCTP_CMD_INIT_COUNTER_INC, SCTP_NULL());
 
 	sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
 			SCTP_TO(SCTP_EVENT_TIMEOUT_T1_COOKIE));
@@ -2281,8 +2292,7 @@ sctp_disposition_t sctp_sf_cookie_wait_abort(const struct sctp_endpoint *ep,
 	if (len >= sizeof(struct sctp_chunkhdr) + sizeof(struct sctp_errhdr))
 		error = ((sctp_errhdr_t *)chunk->skb->data)->cause;
 
- 	sctp_stop_t1_and_abort(commands, error);
-	return SCTP_DISPOSITION_ABORT;
+	return sctp_stop_t1_and_abort(commands, error, asoc, chunk->transport);
 }
 
 /*
@@ -2294,8 +2304,8 @@ sctp_disposition_t sctp_sf_cookie_wait_icmp_abort(const struct sctp_endpoint *ep
 					void *arg,
 					sctp_cmd_seq_t *commands)
 {
-	sctp_stop_t1_and_abort(commands, SCTP_ERROR_NO_ERROR);
- 	return SCTP_DISPOSITION_ABORT;
+	return sctp_stop_t1_and_abort(commands, SCTP_ERROR_NO_ERROR, asoc,
+				      (struct sctp_transport *)arg);
 }
 
 /*
@@ -2318,8 +2328,12 @@ sctp_disposition_t sctp_sf_cookie_echoed_abort(const struct sctp_endpoint *ep,
  *
  * This is common code called by several sctp_sf_*_abort() functions above.
  */
-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)
 {
+	SCTP_DEBUG_PRINTK("ABORT received (INIT).\n");
 	sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
 			SCTP_STATE(SCTP_STATE_CLOSED));
 	SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
@@ -2328,6 +2342,7 @@ void sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands, __u16 error)
 	/* CMD_INIT_FAILED will DELETE_TCB. */
 	sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
 			SCTP_U32(error));
+	return SCTP_DISPOSITION_ABORT;
 }
 
 /*
@@ -3805,6 +3820,10 @@ sctp_disposition_t sctp_sf_do_prm_asoc(const struct sctp_endpoint *ep,
 	sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC,
 			SCTP_ASOC((struct sctp_association *) asoc));
 
+	/* Choose transport for INIT. */
+	sctp_add_cmd_sf(commands, SCTP_CMD_INIT_CHOOSE_TRANSPORT,
+			SCTP_CHUNK(repl));
+
 	/* After sending the INIT, "A" starts the T1-init timer and
 	 * enters the COOKIE-WAIT state.
 	 */
@@ -4589,7 +4608,7 @@ sctp_disposition_t sctp_sf_do_6_2_sack(const struct sctp_endpoint *ep,
 }
 
 /*
- * sctp_sf_t1_timer_expire
+ * sctp_sf_t1_init_timer_expire
  *
  * Section: 4 Note: 2
  * Verification Tag:
@@ -4603,6 +4622,58 @@ sctp_disposition_t sctp_sf_do_6_2_sack(const struct sctp_endpoint *ep,
  *     endpoint MUST abort the initialization process and report the
  *     error to SCTP user.
  *
+ * Outputs
+ * (timers, events)
+ *
+ */
+sctp_disposition_t sctp_sf_t1_init_timer_expire(const struct sctp_endpoint *ep,
+					   const struct sctp_association *asoc,
+					   const sctp_subtype_t type,
+					   void *arg,
+					   sctp_cmd_seq_t *commands)
+{
+	struct sctp_chunk *repl = NULL;
+	struct sctp_bind_addr *bp;
+	int attempts = asoc->init_err_counter + 1;
+
+	SCTP_DEBUG_PRINTK("Timer T1 expired (INIT).\n");
+
+	if (attempts < asoc->max_init_attempts) {
+		bp = (struct sctp_bind_addr *) &asoc->base.bind_addr;
+		repl = sctp_make_init(asoc, bp, GFP_ATOMIC, 0);
+		if (!repl)
+			return SCTP_DISPOSITION_NOMEM;
+
+		/* Choose transport for INIT. */
+		sctp_add_cmd_sf(commands, SCTP_CMD_INIT_CHOOSE_TRANSPORT,
+				SCTP_CHUNK(repl));
+
+		/* Issue a sideeffect to do the needed accounting. */
+		sctp_add_cmd_sf(commands, SCTP_CMD_INIT_RESTART,
+				SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT));
+
+		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
+	} else {
+		SCTP_DEBUG_PRINTK("Giving up on INIT, attempts: %d"
+				  " max_init_attempts: %d\n",
+				  attempts, asoc->max_init_attempts);
+		sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
+				SCTP_U32(SCTP_ERROR_NO_ERROR));
+		return SCTP_DISPOSITION_DELETE_TCB;
+	}
+
+	return SCTP_DISPOSITION_CONSUME;
+}
+
+/*
+ * sctp_sf_t1_cookie_timer_expire
+ *
+ * Section: 4 Note: 2
+ * Verification Tag:
+ * Inputs
+ * (endpoint, asoc)
+ *
+ *  RFC 2960 Section 4 Notes
  *  3) If the T1-cookie timer expires, the endpoint MUST retransmit
  *     COOKIE ECHO and re-start the T1-cookie timer without changing
  *     state.  This MUST be repeated up to 'Max.Init.Retransmits' times.
@@ -4613,46 +4684,26 @@ sctp_disposition_t sctp_sf_do_6_2_sack(const struct sctp_endpoint *ep,
  * (timers, events)
  *
  */
-sctp_disposition_t sctp_sf_t1_timer_expire(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_t1_cookie_timer_expire(const struct sctp_endpoint *ep,
 					   const struct sctp_association *asoc,
 					   const sctp_subtype_t type,
 					   void *arg,
 					   sctp_cmd_seq_t *commands)
 {
-	struct sctp_chunk *repl;
-	struct sctp_bind_addr *bp;
-	sctp_event_timeout_t timer = (sctp_event_timeout_t) arg;
-	int timeout;
-	int attempts;
+	struct sctp_chunk *repl = NULL;
+	int attempts = asoc->init_err_counter + 1;
 
-	timeout = asoc->timeouts[timer];
-	attempts = asoc->counters[SCTP_COUNTER_INIT_ERROR] + 1;
-	repl = NULL;
-
-	SCTP_DEBUG_PRINTK("Timer T1 expired.\n");
+	SCTP_DEBUG_PRINTK("Timer T1 expired (COOKIE-ECHO).\n");
 
 	if (attempts < asoc->max_init_attempts) {
-		switch (timer) {
-		case SCTP_EVENT_TIMEOUT_T1_INIT:
-			bp = (struct sctp_bind_addr *) &asoc->base.bind_addr;
-			repl = sctp_make_init(asoc, bp, GFP_ATOMIC, 0);
-			break;
-
-		case SCTP_EVENT_TIMEOUT_T1_COOKIE:
 		repl = sctp_make_cookie_echo(asoc, NULL);
-			break;
-
-		default:
-			BUG();
-			break;
-		};
-
 		if (!repl)
-			goto nomem;
+			return SCTP_DISPOSITION_NOMEM;
 
 		/* Issue a sideeffect to do the needed accounting. */
-		sctp_add_cmd_sf(commands, SCTP_CMD_INIT_RESTART,
-				SCTP_TO(timer));
+		sctp_add_cmd_sf(commands, SCTP_CMD_COOKIEECHO_RESTART,
+				SCTP_TO(SCTP_EVENT_TIMEOUT_T1_COOKIE));
+
 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
 	} else {
 		sctp_add_cmd_sf(commands, SCTP_CMD_INIT_FAILED,
@@ -4661,9 +4712,6 @@ sctp_disposition_t sctp_sf_t1_timer_expire(const struct sctp_endpoint *ep,
 	}
 
 	return SCTP_DISPOSITION_CONSUME;
-
-nomem:
-	return SCTP_DISPOSITION_NOMEM;
 }
 
 /* RFC2960 9.2 If the timer expires, the endpoint must re-send the SHUTDOWN

net/sctp/sm_statetable.c

@@ -783,7 +783,8 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 	/* SCTP_STATE_COOKIE_WAIT */ \
 	{.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
 	/* SCTP_STATE_COOKIE_ECHOED */ \
-	{.fn = sctp_sf_t1_timer_expire, .name = "sctp_sf_t1_timer_expire"}, \
+	{.fn = sctp_sf_t1_cookie_timer_expire, \
+	 .name = "sctp_sf_t1_cookie_timer_expire"}, \
 	/* SCTP_STATE_ESTABLISHED */ \
 	{.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 	/* SCTP_STATE_SHUTDOWN_PENDING */ \
@@ -802,7 +803,8 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
 	/* SCTP_STATE_CLOSED */ \
 	{.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 	/* SCTP_STATE_COOKIE_WAIT */ \
-	{.fn = sctp_sf_t1_timer_expire, .name = "sctp_sf_t1_timer_expire"}, \
+	{.fn = sctp_sf_t1_init_timer_expire, \
+	 .name = "sctp_sf_t1_init_timer_expire"}, \
 	/* SCTP_STATE_COOKIE_ECHOED */ \
 	{.fn = sctp_sf_timer_ignore, .name = "sctp_sf_timer_ignore"}, \
 	/* SCTP_STATE_ESTABLISHED */ \

net/sctp/transport.c

@@ -83,7 +83,9 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
 	peer->last_time_used = jiffies;
 	peer->last_time_ecne_reduced = jiffies;
 
-	peer->active = SCTP_ACTIVE;
+	peer->init_sent_count = 0;
+
+	peer->state = SCTP_ACTIVE;
 	peer->hb_allowed = 0;
 
 	/* Initialize the default path max_retrans.  */

net/xfrm/xfrm_policy.c

@@ -118,7 +118,6 @@ struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family)
 	xfrm_policy_put_afinfo(afinfo);
 	return type;
 }
-EXPORT_SYMBOL(xfrm_get_type);
 
 int xfrm_dst_lookup(struct xfrm_dst **dst, struct flowi *fl, 
 		    unsigned short family)

net/xfrm/xfrm_state.c

@@ -1056,6 +1056,43 @@ int xfrm_state_mtu(struct xfrm_state *x, int mtu)
 
 EXPORT_SYMBOL(xfrm_state_mtu);
 
+int xfrm_init_state(struct xfrm_state *x)
+{
+	struct xfrm_state_afinfo *afinfo;
+	int family = x->props.family;
+	int err;
+
+	err = -EAFNOSUPPORT;
+	afinfo = xfrm_state_get_afinfo(family);
+	if (!afinfo)
+		goto error;
+
+	err = 0;
+	if (afinfo->init_flags)
+		err = afinfo->init_flags(x);
+
+	xfrm_state_put_afinfo(afinfo);
+
+	if (err)
+		goto error;
+
+	err = -EPROTONOSUPPORT;
+	x->type = xfrm_get_type(x->id.proto, family);
+	if (x->type == NULL)
+		goto error;
+
+	err = x->type->init_state(x);
+	if (err)
+		goto error;
+
+	x->km.state = XFRM_STATE_VALID;
+
+error:
+	return err;
+}
+
+EXPORT_SYMBOL(xfrm_init_state);
+ 
 void __init xfrm_state_init(void)
 {
 	int i;

net/xfrm/xfrm_user.c

@@ -249,17 +249,10 @@ static struct xfrm_state *xfrm_state_construct(struct xfrm_usersa_info *p,
 	if ((err = attach_encap_tmpl(&x->encap, xfrma[XFRMA_ENCAP-1])))
 		goto error;
 
-	err = -ENOENT;
-	x->type = xfrm_get_type(x->id.proto, x->props.family);
-	if (x->type == NULL)
-		goto error;
-
-	err = x->type->init_state(x, NULL);
+	err = xfrm_init_state(x);
 	if (err)
 		goto error;
 
-	x->curlft.add_time = (unsigned long) xtime.tv_sec;
-	x->km.state = XFRM_STATE_VALID;
 	x->km.seq = p->seq;
 
 	return x;