X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv6%2Faf_inet6.c;h=3d828bc4b1cf97cbfcbd1df9e76c5b357b37a9c4;hb=ca12a1a443a51298afcca627ad0bcbd8ad1dcddc;hp=60b8a22540461a2799592c04032071cf0fc818ea;hpb=5578689a4e3c04f2d43ea39736fd3fa396d80c6e;p=linux-2.6

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 60b8a22540..3d828bc4b1 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -7,8 +7,6 @@
  *
  *	Adapted from linux/net/ipv4/af_inet.c
  *
- *	$Id: af_inet6.c,v 1.66 2002/02/01 22:01:04 davem Exp $
- *
  * 	Fixes:
  *	piggy, Karl Knutson	:	Socket protocol table
  * 	Hideaki YOSHIFUJI	:	sin6_scope_id support
@@ -61,6 +59,7 @@
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
+#include <linux/mroute6.h>
 
 MODULE_AUTHOR("Cast of dozens");
 MODULE_DESCRIPTION("IPv6 protocol stack for Linux");
@@ -92,9 +91,6 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol)
 	int try_loading_module = 0;
 	int err;
 
-	if (net != &init_net)
-		return -EAFNOSUPPORT;
-
 	if (sock->type != SOCK_RAW &&
 	    sock->type != SOCK_DGRAM &&
 	    !inet_ehash_secret)
@@ -191,7 +187,7 @@ lookup_protocol:
 	np->mcast_hops	= -1;
 	np->mc_loop	= 1;
 	np->pmtudisc	= IPV6_PMTUDISC_WANT;
-	np->ipv6only	= init_net.ipv6.sysctl.bindv6only;
+	np->ipv6only	= net->ipv6.sysctl.bindv6only;
 
 	/* Init the ipv4 part of the socket since we can have sockets
 	 * using v6 API for ipv4.
@@ -248,6 +244,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	struct sock *sk = sock->sk;
 	struct inet_sock *inet = inet_sk(sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
+	struct net *net = sock_net(sk);
 	__be32 v4addr = 0;
 	unsigned short snum;
 	int addr_type = 0;
@@ -278,7 +275,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	/* Check if the address belongs to the host. */
 	if (addr_type == IPV6_ADDR_MAPPED) {
 		v4addr = addr->sin6_addr.s6_addr32[3];
-		if (inet_addr_type(&init_net, v4addr) != RTN_LOCAL) {
+		if (inet_addr_type(net, v4addr) != RTN_LOCAL) {
 			err = -EADDRNOTAVAIL;
 			goto out;
 		}
@@ -300,7 +297,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 					err = -EINVAL;
 					goto out;
 				}
-				dev = dev_get_by_index(&init_net, sk->sk_bound_dev_if);
+				dev = dev_get_by_index(net, sk->sk_bound_dev_if);
 				if (!dev) {
 					err = -ENODEV;
 					goto out;
@@ -312,7 +309,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 			 */
 			v4addr = LOOPBACK4_IPV6;
 			if (!(addr_type & IPV6_ADDR_MULTICAST))	{
-				if (!ipv6_chk_addr(&init_net, &addr->sin6_addr,
+				if (!ipv6_chk_addr(net, &addr->sin6_addr,
 						   dev, 0)) {
 					if (dev)
 						dev_put(dev);
@@ -372,7 +369,7 @@ int inet6_release(struct socket *sock)
 
 EXPORT_SYMBOL(inet6_release);
 
-int inet6_destroy_sock(struct sock *sk)
+void inet6_destroy_sock(struct sock *sk)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct sk_buff *skb;
@@ -390,8 +387,6 @@ int inet6_destroy_sock(struct sock *sk)
 
 	if ((opt = xchg(&np->opt, NULL)) != NULL)
 		sock_kfree_s(sk, opt, opt->tot_len);
-
-	return 0;
 }
 
 EXPORT_SYMBOL_GPL(inet6_destroy_sock);
@@ -440,7 +435,7 @@ EXPORT_SYMBOL(inet6_getname);
 int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 {
 	struct sock *sk = sock->sk;
-	struct net *net = sk->sk_net;
+	struct net *net = sock_net(sk);
 
 	switch(cmd)
 	{
@@ -456,11 +451,11 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		return(ipv6_route_ioctl(net, cmd, (void __user *)arg));
 
 	case SIOCSIFADDR:
-		return addrconf_add_ifaddr((void __user *) arg);
+		return addrconf_add_ifaddr(net, (void __user *) arg);
 	case SIOCDIFADDR:
-		return addrconf_del_ifaddr((void __user *) arg);
+		return addrconf_del_ifaddr(net, (void __user *) arg);
 	case SIOCSIFDSTADDR:
-		return addrconf_set_dstaddr((void __user *) arg);
+		return addrconf_set_dstaddr(net, (void __user *) arg);
 	default:
 		if (!sk->sk_prot->ioctl)
 			return -ENOIOCTLCMD;
@@ -815,16 +810,12 @@ static int __init init_ipv6_mibs(void)
 		goto err_icmpmsg_mib;
 	if (snmp_mib_init((void **)udp_stats_in6, sizeof (struct udp_mib)) < 0)
 		goto err_udp_mib;
-#ifdef CONFIG_IP_UDPLITE
 	if (snmp_mib_init((void **)udplite_stats_in6,
 			  sizeof (struct udp_mib)) < 0)
 		goto err_udplite_mib;
-#endif
 	return 0;
 
-#ifdef CONFIG_IP_UDPLITE
 err_udplite_mib:
-#endif
 	snmp_mib_free((void **)udp_stats_in6);
 err_udp_mib:
 	snmp_mib_free((void **)icmpv6msg_statistics);
@@ -843,13 +834,13 @@ static void cleanup_ipv6_mibs(void)
 	snmp_mib_free((void **)icmpv6_statistics);
 	snmp_mib_free((void **)icmpv6msg_statistics);
 	snmp_mib_free((void **)udp_stats_in6);
-#ifdef CONFIG_IP_UDPLITE
 	snmp_mib_free((void **)udplite_stats_in6);
-#endif
 }
 
 static int inet6_net_init(struct net *net)
 {
+	int err = 0;
+
 	net->ipv6.sysctl.bindv6only = 0;
 	net->ipv6.sysctl.flush_delay = 0;
 	net->ipv6.sysctl.ip6_rt_max_size = 4096;
@@ -861,12 +852,36 @@ static int inet6_net_init(struct net *net)
 	net->ipv6.sysctl.ip6_rt_min_advmss = IPV6_MIN_MTU - 20 - 40;
 	net->ipv6.sysctl.icmpv6_time = 1*HZ;
 
-	return 0;
+#ifdef CONFIG_PROC_FS
+	err = udp6_proc_init(net);
+	if (err)
+		goto out;
+	err = tcp6_proc_init(net);
+	if (err)
+		goto proc_tcp6_fail;
+	err = ac6_proc_init(net);
+	if (err)
+		goto proc_ac6_fail;
+out:
+#endif
+	return err;
+
+#ifdef CONFIG_PROC_FS
+proc_ac6_fail:
+	tcp6_proc_exit(net);
+proc_tcp6_fail:
+	udp6_proc_exit(net);
+	goto out;
+#endif
 }
 
 static void inet6_net_exit(struct net *net)
 {
-	return;
+#ifdef CONFIG_PROC_FS
+	udp6_proc_exit(net);
+	tcp6_proc_exit(net);
+	ac6_proc_exit(net);
+#endif
 }
 
 static struct pernet_operations inet6_net_ops = {
@@ -890,11 +905,9 @@ static int __init inet6_init(void)
 	if (err)
 		goto out_unregister_tcp_proto;
 
-#ifdef CONFIG_IP_UDPLITE
 	err = proto_register(&udplitev6_prot, 1);
 	if (err)
 		goto out_unregister_udp_proto;
-#endif
 
 	err = proto_register(&rawv6_prot, 1);
 	if (err)
@@ -934,15 +947,12 @@ static int __init inet6_init(void)
 	err = register_pernet_subsys(&inet6_net_ops);
 	if (err)
 		goto register_pernet_fail;
-
-#ifdef CONFIG_SYSCTL
-	err = ipv6_sysctl_register();
-	if (err)
-		goto sysctl_fail;
-#endif
 	err = icmpv6_init();
 	if (err)
 		goto icmp_fail;
+	err = ip6_mr_init();
+	if (err)
+		goto ipmr_fail;
 	err = ndisc_init();
 	if (err)
 		goto ndisc_fail;
@@ -957,17 +967,10 @@ static int __init inet6_init(void)
 	err = -ENOMEM;
 	if (raw6_proc_init())
 		goto proc_raw6_fail;
-	if (tcp6_proc_init())
-		goto proc_tcp6_fail;
-	if (udp6_proc_init())
-		goto proc_udp6_fail;
 	if (udplite6_proc_init())
 		goto proc_udplite6_fail;
 	if (ipv6_misc_proc_init())
 		goto proc_misc6_fail;
-
-	if (ac6_proc_init())
-		goto proc_anycast6_fail;
 	if (if6_proc_init())
 		goto proc_if6_fail;
 #endif
@@ -1006,9 +1009,19 @@ static int __init inet6_init(void)
 	err = ipv6_packet_init();
 	if (err)
 		goto ipv6_packet_fail;
+
+#ifdef CONFIG_SYSCTL
+	err = ipv6_sysctl_register();
+	if (err)
+		goto sysctl_fail;
+#endif
 out:
 	return err;
 
+#ifdef CONFIG_SYSCTL
+sysctl_fail:
+	ipv6_packet_cleanup();
+#endif
 ipv6_packet_fail:
 	tcpv6_exit();
 tcpv6_fail:
@@ -1029,16 +1042,10 @@ ip6_route_fail:
 #ifdef CONFIG_PROC_FS
 	if6_proc_exit();
 proc_if6_fail:
-	ac6_proc_exit();
-proc_anycast6_fail:
 	ipv6_misc_proc_exit();
 proc_misc6_fail:
 	udplite6_proc_exit();
 proc_udplite6_fail:
-	udp6_proc_exit();
-proc_udp6_fail:
-	tcp6_proc_exit();
-proc_tcp6_fail:
 	raw6_proc_exit();
 proc_raw6_fail:
 #endif
@@ -1048,12 +1055,10 @@ netfilter_fail:
 igmp_fail:
 	ndisc_cleanup();
 ndisc_fail:
+	ip6_mr_cleanup();
+ipmr_fail:
 	icmpv6_cleanup();
 icmp_fail:
-#ifdef CONFIG_SYSCTL
-	ipv6_sysctl_unregister();
-sysctl_fail:
-#endif
 	unregister_pernet_subsys(&inet6_net_ops);
 register_pernet_fail:
 	cleanup_ipv6_mibs();
@@ -1065,10 +1070,8 @@ out_sock_register_fail:
 out_unregister_raw_proto:
 	proto_unregister(&rawv6_prot);
 out_unregister_udplite_proto:
-#ifdef CONFIG_IP_UDPLITE
 	proto_unregister(&udplitev6_prot);
 out_unregister_udp_proto:
-#endif
 	proto_unregister(&udpv6_prot);
 out_unregister_tcp_proto:
 	proto_unregister(&tcpv6_prot);
@@ -1083,10 +1086,11 @@ static void __exit inet6_exit(void)
 	/* Disallow any further netlink messages */
 	rtnl_unregister_all(PF_INET6);
 
+#ifdef CONFIG_SYSCTL
+	ipv6_sysctl_unregister();
+#endif
 	udpv6_exit();
-#ifdef CONFIG_IP_UDPLITE
 	udplitev6_exit();
-#endif
 	tcpv6_exit();
 
 	/* Cleanup code parts. */
@@ -1100,27 +1104,21 @@ static void __exit inet6_exit(void)
 
 	/* Cleanup code parts. */
 	if6_proc_exit();
-	ac6_proc_exit();
 	ipv6_misc_proc_exit();
 	udplite6_proc_exit();
-	udp6_proc_exit();
-	tcp6_proc_exit();
 	raw6_proc_exit();
 #endif
 	ipv6_netfilter_fini();
 	igmp6_cleanup();
 	ndisc_cleanup();
+	ip6_mr_cleanup();
 	icmpv6_cleanup();
 	rawv6_exit();
-#ifdef CONFIG_SYSCTL
-	ipv6_sysctl_unregister();
-#endif
+
 	unregister_pernet_subsys(&inet6_net_ops);
 	cleanup_ipv6_mibs();
 	proto_unregister(&rawv6_prot);
-#ifdef CONFIG_IP_UDPLITE
 	proto_unregister(&udplitev6_prot);
-#endif
 	proto_unregister(&udpv6_prot);
 	proto_unregister(&tcpv6_prot);
 }