84 static int __net_init sctp_proc_init(struct net *net)  in sctp_proc_init()  argument
87 	net->sctp.proc_net_sctp = proc_net_mkdir(net, "sctp", net->proc_net);  in sctp_proc_init()
88 	if (!net->sctp.proc_net_sctp)  in sctp_proc_init()
90 	if (sctp_snmp_proc_init(net))  in sctp_proc_init()
92 	if (sctp_eps_proc_init(net))  in sctp_proc_init()
94 	if (sctp_assocs_proc_init(net))  in sctp_proc_init()
96 	if (sctp_remaddr_proc_init(net))  in sctp_proc_init()
102 	sctp_assocs_proc_exit(net);  in sctp_proc_init()
104 	sctp_eps_proc_exit(net);  in sctp_proc_init()
106 	sctp_snmp_proc_exit(net);  in sctp_proc_init()
108 	remove_proc_entry("sctp", net->proc_net);  in sctp_proc_init()
109 	net->sctp.proc_net_sctp = NULL;  in sctp_proc_init()
120 static void sctp_proc_exit(struct net *net)  in sctp_proc_exit()  argument
123 	sctp_snmp_proc_exit(net);  in sctp_proc_exit()
124 	sctp_eps_proc_exit(net);  in sctp_proc_exit()
125 	sctp_assocs_proc_exit(net);  in sctp_proc_exit()
126 	sctp_remaddr_proc_exit(net);  in sctp_proc_exit()
128 	remove_proc_entry("sctp", net->proc_net);  in sctp_proc_exit()
129 	net->sctp.proc_net_sctp = NULL;  in sctp_proc_exit()
168 static void sctp_get_local_addr_list(struct net *net)  in sctp_get_local_addr_list()  argument
175 	for_each_netdev_rcu(net, dev) {  in sctp_get_local_addr_list()
178 			af->copy_addrlist(&net->sctp.local_addr_list, dev);  in sctp_get_local_addr_list()
185 static void sctp_free_local_addr_list(struct net *net)  in sctp_free_local_addr_list()  argument
190 	list_for_each_safe(pos, temp, &net->sctp.local_addr_list) {  in sctp_free_local_addr_list()
198 int sctp_copy_local_addr_list(struct net *net, struct sctp_bind_addr *bp,  in sctp_copy_local_addr_list()  argument
205 	list_for_each_entry_rcu(addr, &net->sctp.local_addr_list, list) {  in sctp_copy_local_addr_list()
208 		if (sctp_in_scope(net, &addr->a, scope)) {  in sctp_copy_local_addr_list()
364 	struct net *net = sock_net(&sp->inet.sk);  in sctp_v4_available()  local
365 	int ret = inet_addr_type(net, addr->v4.sin_addr.s_addr);  in sctp_v4_available()
371 	   !net->ipv4.sysctl_ip_nonlocal_bind)  in sctp_v4_available()
620 	struct net *net = (struct net *)arg;  in sctp_addr_wq_timeout_handler()  local
624 	spin_lock_bh(&net->sctp.addr_wq_lock);  in sctp_addr_wq_timeout_handler()
626 	list_for_each_entry_safe(addrw, temp, &net->sctp.addr_waitq, list) {  in sctp_addr_wq_timeout_handler()
628 			 "entry:%p\n", __func__, &net->sctp.addr_waitq, &addrw->a.sa,  in sctp_addr_wq_timeout_handler()
642 			if (ipv6_chk_addr(net, in6, NULL, 0) == 0 &&  in sctp_addr_wq_timeout_handler()
652 				mod_timer(&net->sctp.addr_wq_timer, timeo_val);  in sctp_addr_wq_timeout_handler()
657 		list_for_each_entry(sp, &net->sctp.auto_asconf_splist, auto_asconf_list) {  in sctp_addr_wq_timeout_handler()
675 	spin_unlock_bh(&net->sctp.addr_wq_lock);  in sctp_addr_wq_timeout_handler()
678 static void sctp_free_addr_wq(struct net *net)  in sctp_free_addr_wq()  argument
683 	spin_lock_bh(&net->sctp.addr_wq_lock);  in sctp_free_addr_wq()
684 	del_timer(&net->sctp.addr_wq_timer);  in sctp_free_addr_wq()
685 	list_for_each_entry_safe(addrw, temp, &net->sctp.addr_waitq, list) {  in sctp_free_addr_wq()
689 	spin_unlock_bh(&net->sctp.addr_wq_lock);  in sctp_free_addr_wq()
695 static struct sctp_sockaddr_entry *sctp_addr_wq_lookup(struct net *net,  in sctp_addr_wq_lookup()  argument
700 	list_for_each_entry(addrw, &net->sctp.addr_waitq, list) {  in sctp_addr_wq_lookup()
716 void sctp_addr_wq_mgmt(struct net *net, struct sctp_sockaddr_entry *addr, int cmd)  in sctp_addr_wq_mgmt()  argument
727 	spin_lock_bh(&net->sctp.addr_wq_lock);  in sctp_addr_wq_mgmt()
729 	addrw = sctp_addr_wq_lookup(net, addr);  in sctp_addr_wq_mgmt()
734 				 &net->sctp.addr_waitq);  in sctp_addr_wq_mgmt()
739 		spin_unlock_bh(&net->sctp.addr_wq_lock);  in sctp_addr_wq_mgmt()
746 		spin_unlock_bh(&net->sctp.addr_wq_lock);  in sctp_addr_wq_mgmt()
750 	list_add_tail(&addrw->list, &net->sctp.addr_waitq);  in sctp_addr_wq_mgmt()
753 		 __func__, addrw->state, &addrw->a.sa, &net->sctp.addr_waitq);  in sctp_addr_wq_mgmt()
755 	if (!timer_pending(&net->sctp.addr_wq_timer)) {  in sctp_addr_wq_mgmt()
758 		mod_timer(&net->sctp.addr_wq_timer, timeo_val);  in sctp_addr_wq_mgmt()
760 	spin_unlock_bh(&net->sctp.addr_wq_lock);  in sctp_addr_wq_mgmt()
775 	struct net *net = dev_net(ifa->ifa_dev->dev);  in sctp_inetaddr_event()  local
786 			spin_lock_bh(&net->sctp.local_addr_lock);  in sctp_inetaddr_event()
787 			list_add_tail_rcu(&addr->list, &net->sctp.local_addr_list);  in sctp_inetaddr_event()
788 			sctp_addr_wq_mgmt(net, addr, SCTP_ADDR_NEW);  in sctp_inetaddr_event()
789 			spin_unlock_bh(&net->sctp.local_addr_lock);  in sctp_inetaddr_event()
793 		spin_lock_bh(&net->sctp.local_addr_lock);  in sctp_inetaddr_event()
795 					&net->sctp.local_addr_list, list) {  in sctp_inetaddr_event()
799 				sctp_addr_wq_mgmt(net, addr, SCTP_ADDR_DEL);  in sctp_inetaddr_event()
806 		spin_unlock_bh(&net->sctp.local_addr_lock);  in sctp_inetaddr_event()
819 static int sctp_ctl_sock_init(struct net *net)  in sctp_ctl_sock_init()  argument
827 	err = inet_ctl_sock_create(&net->sctp.ctl_sock, family,  in sctp_ctl_sock_init()
828 				   SOCK_SEQPACKET, IPPROTO_SCTP, net);  in sctp_ctl_sock_init()
832 		err = inet_ctl_sock_create(&net->sctp.ctl_sock, AF_INET,  in sctp_ctl_sock_init()
834 					   net);  in sctp_ctl_sock_init()
1126 static inline int init_sctp_mibs(struct net *net)  in init_sctp_mibs()  argument
1128 	net->sctp.sctp_statistics = alloc_percpu(struct sctp_mib);  in init_sctp_mibs()
1129 	if (!net->sctp.sctp_statistics)  in init_sctp_mibs()
1134 static inline void cleanup_sctp_mibs(struct net *net)  in cleanup_sctp_mibs()  argument
1136 	free_percpu(net->sctp.sctp_statistics);  in cleanup_sctp_mibs()
1191 static int __net_init sctp_defaults_init(struct net *net)  in sctp_defaults_init()  argument
1200 	net->sctp.rto_initial			= SCTP_RTO_INITIAL;  in sctp_defaults_init()
1202 	net->sctp.rto_min	 		= SCTP_RTO_MIN;  in sctp_defaults_init()
1204 	net->sctp.rto_max 			= SCTP_RTO_MAX;  in sctp_defaults_init()
1206 	net->sctp.rto_alpha			= SCTP_RTO_ALPHA;  in sctp_defaults_init()
1208 	net->sctp.rto_beta			= SCTP_RTO_BETA;  in sctp_defaults_init()
1211 	net->sctp.valid_cookie_life		= SCTP_DEFAULT_COOKIE_LIFE;  in sctp_defaults_init()
1214 	net->sctp.cookie_preserve_enable 	= 1;  in sctp_defaults_init()
1218 	net->sctp.sctp_hmac_alg			= "md5";  in sctp_defaults_init()
1220 	net->sctp.sctp_hmac_alg			= "sha1";  in sctp_defaults_init()
1222 	net->sctp.sctp_hmac_alg			= NULL;  in sctp_defaults_init()
1226 	net->sctp.max_burst			= SCTP_DEFAULT_MAX_BURST;  in sctp_defaults_init()
1232 	net->sctp.max_retrans_association	= 10;  in sctp_defaults_init()
1233 	net->sctp.max_retrans_path		= 5;  in sctp_defaults_init()
1234 	net->sctp.max_retrans_init		= 8;  in sctp_defaults_init()
1237 	net->sctp.sndbuf_policy			= 0;  in sctp_defaults_init()
1240 	net->sctp.rcvbuf_policy			= 0;  in sctp_defaults_init()
1243 	net->sctp.hb_interval			= SCTP_DEFAULT_TIMEOUT_HEARTBEAT;  in sctp_defaults_init()
1246 	net->sctp.sack_timeout			= SCTP_DEFAULT_TIMEOUT_SACK;  in sctp_defaults_init()
1249 	net->sctp.addip_enable = 0;  in sctp_defaults_init()
1250 	net->sctp.addip_noauth = 0;  in sctp_defaults_init()
1251 	net->sctp.default_auto_asconf = 0;  in sctp_defaults_init()
1254 	net->sctp.prsctp_enable = 1;  in sctp_defaults_init()
1257 	net->sctp.auth_enable = 0;  in sctp_defaults_init()
1260 	net->sctp.scope_policy = SCTP_SCOPE_POLICY_ENABLE;  in sctp_defaults_init()
1263 	net->sctp.rwnd_upd_shift = SCTP_DEFAULT_RWND_SHIFT;  in sctp_defaults_init()
1266 	net->sctp.max_autoclose		= INT_MAX / HZ;  in sctp_defaults_init()
1268 	status = sctp_sysctl_net_register(net);  in sctp_defaults_init()
1273 	status = init_sctp_mibs(net);  in sctp_defaults_init()
1278 	status = sctp_proc_init(net);  in sctp_defaults_init()
1282 	sctp_dbg_objcnt_init(net);  in sctp_defaults_init()
1285 	INIT_LIST_HEAD(&net->sctp.local_addr_list);  in sctp_defaults_init()
1286 	spin_lock_init(&net->sctp.local_addr_lock);  in sctp_defaults_init()
1287 	sctp_get_local_addr_list(net);  in sctp_defaults_init()
1290 	INIT_LIST_HEAD(&net->sctp.addr_waitq);  in sctp_defaults_init()
1291 	INIT_LIST_HEAD(&net->sctp.auto_asconf_splist);  in sctp_defaults_init()
1292 	spin_lock_init(&net->sctp.addr_wq_lock);  in sctp_defaults_init()
1293 	net->sctp.addr_wq_timer.expires = 0;  in sctp_defaults_init()
1294 	setup_timer(&net->sctp.addr_wq_timer, sctp_addr_wq_timeout_handler,  in sctp_defaults_init()
1295 		    (unsigned long)net);  in sctp_defaults_init()
1300 	cleanup_sctp_mibs(net);  in sctp_defaults_init()
1302 	sctp_sysctl_net_unregister(net);  in sctp_defaults_init()
1307 static void __net_exit sctp_defaults_exit(struct net *net)  in sctp_defaults_exit()  argument
1310 	sctp_free_addr_wq(net);  in sctp_defaults_exit()
1311 	sctp_free_local_addr_list(net);  in sctp_defaults_exit()
1313 	sctp_dbg_objcnt_exit(net);  in sctp_defaults_exit()
1315 	sctp_proc_exit(net);  in sctp_defaults_exit()
1316 	cleanup_sctp_mibs(net);  in sctp_defaults_exit()
1317 	sctp_sysctl_net_unregister(net);  in sctp_defaults_exit()
1325 static int __net_init sctp_ctrlsock_init(struct net *net)  in sctp_ctrlsock_init()  argument
1330 	status = sctp_ctl_sock_init(net);  in sctp_ctrlsock_init()
1337 static void __net_init sctp_ctrlsock_exit(struct net *net)  in sctp_ctrlsock_exit()  argument
1340 	inet_ctl_sock_destroy(net->sctp.ctl_sock);  in sctp_ctrlsock_exit()