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authorEric Dumazet <eric.dumazet@gmail.com>2009-08-29 02:45:21 -0400
committerDavid S. Miller <davem@davemloft.net>2009-08-29 02:45:21 -0400
commit3d1427f87002735aa54c370558e0c2bacc61f31e (patch)
tree576141105ca88d237294c495199b8667c81c8220 /net/ipv4
parent2975315b79f4109523b3d43932f57ed8370b9da3 (diff)
ipv4: af_inet.c cleanups
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/af_inet.c112
1 files changed, 55 insertions, 57 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 197d024b2536..6c30a73f03f5 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -124,7 +124,6 @@ static struct list_head inetsw[SOCK_MAX];
124static DEFINE_SPINLOCK(inetsw_lock); 124static DEFINE_SPINLOCK(inetsw_lock);
125 125
126struct ipv4_config ipv4_config; 126struct ipv4_config ipv4_config;
127
128EXPORT_SYMBOL(ipv4_config); 127EXPORT_SYMBOL(ipv4_config);
129 128
130/* New destruction routine */ 129/* New destruction routine */
@@ -139,12 +138,12 @@ void inet_sock_destruct(struct sock *sk)
139 sk_mem_reclaim(sk); 138 sk_mem_reclaim(sk);
140 139
141 if (sk->sk_type == SOCK_STREAM && sk->sk_state != TCP_CLOSE) { 140 if (sk->sk_type == SOCK_STREAM && sk->sk_state != TCP_CLOSE) {
142 printk("Attempt to release TCP socket in state %d %p\n", 141 pr_err("Attempt to release TCP socket in state %d %p\n",
143 sk->sk_state, sk); 142 sk->sk_state, sk);
144 return; 143 return;
145 } 144 }
146 if (!sock_flag(sk, SOCK_DEAD)) { 145 if (!sock_flag(sk, SOCK_DEAD)) {
147 printk("Attempt to release alive inet socket %p\n", sk); 146 pr_err("Attempt to release alive inet socket %p\n", sk);
148 return; 147 return;
149 } 148 }
150 149
@@ -157,6 +156,7 @@ void inet_sock_destruct(struct sock *sk)
157 dst_release(sk->sk_dst_cache); 156 dst_release(sk->sk_dst_cache);
158 sk_refcnt_debug_dec(sk); 157 sk_refcnt_debug_dec(sk);
159} 158}
159EXPORT_SYMBOL(inet_sock_destruct);
160 160
161/* 161/*
162 * The routines beyond this point handle the behaviour of an AF_INET 162 * The routines beyond this point handle the behaviour of an AF_INET
@@ -219,6 +219,7 @@ out:
219 release_sock(sk); 219 release_sock(sk);
220 return err; 220 return err;
221} 221}
222EXPORT_SYMBOL(inet_listen);
222 223
223u32 inet_ehash_secret __read_mostly; 224u32 inet_ehash_secret __read_mostly;
224EXPORT_SYMBOL(inet_ehash_secret); 225EXPORT_SYMBOL(inet_ehash_secret);
@@ -435,9 +436,11 @@ int inet_release(struct socket *sock)
435 } 436 }
436 return 0; 437 return 0;
437} 438}
439EXPORT_SYMBOL(inet_release);
438 440
439/* It is off by default, see below. */ 441/* It is off by default, see below. */
440int sysctl_ip_nonlocal_bind __read_mostly; 442int sysctl_ip_nonlocal_bind __read_mostly;
443EXPORT_SYMBOL(sysctl_ip_nonlocal_bind);
441 444
442int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) 445int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
443{ 446{
@@ -519,6 +522,7 @@ out_release_sock:
519out: 522out:
520 return err; 523 return err;
521} 524}
525EXPORT_SYMBOL(inet_bind);
522 526
523int inet_dgram_connect(struct socket *sock, struct sockaddr * uaddr, 527int inet_dgram_connect(struct socket *sock, struct sockaddr * uaddr,
524 int addr_len, int flags) 528 int addr_len, int flags)
@@ -532,6 +536,7 @@ int inet_dgram_connect(struct socket *sock, struct sockaddr * uaddr,
532 return -EAGAIN; 536 return -EAGAIN;
533 return sk->sk_prot->connect(sk, (struct sockaddr *)uaddr, addr_len); 537 return sk->sk_prot->connect(sk, (struct sockaddr *)uaddr, addr_len);
534} 538}
539EXPORT_SYMBOL(inet_dgram_connect);
535 540
536static long inet_wait_for_connect(struct sock *sk, long timeo) 541static long inet_wait_for_connect(struct sock *sk, long timeo)
537{ 542{
@@ -641,6 +646,7 @@ sock_error:
641 sock->state = SS_DISCONNECTING; 646 sock->state = SS_DISCONNECTING;
642 goto out; 647 goto out;
643} 648}
649EXPORT_SYMBOL(inet_stream_connect);
644 650
645/* 651/*
646 * Accept a pending connection. The TCP layer now gives BSD semantics. 652 * Accept a pending connection. The TCP layer now gives BSD semantics.
@@ -668,6 +674,7 @@ int inet_accept(struct socket *sock, struct socket *newsock, int flags)
668do_err: 674do_err:
669 return err; 675 return err;
670} 676}
677EXPORT_SYMBOL(inet_accept);
671 678
672 679
673/* 680/*
@@ -699,6 +706,7 @@ int inet_getname(struct socket *sock, struct sockaddr *uaddr,
699 *uaddr_len = sizeof(*sin); 706 *uaddr_len = sizeof(*sin);
700 return 0; 707 return 0;
701} 708}
709EXPORT_SYMBOL(inet_getname);
702 710
703int inet_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, 711int inet_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
704 size_t size) 712 size_t size)
@@ -711,9 +719,11 @@ int inet_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
711 719
712 return sk->sk_prot->sendmsg(iocb, sk, msg, size); 720 return sk->sk_prot->sendmsg(iocb, sk, msg, size);
713} 721}
722EXPORT_SYMBOL(inet_sendmsg);
714 723
715 724
716static ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags) 725static ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
726 size_t size, int flags)
717{ 727{
718 struct sock *sk = sock->sk; 728 struct sock *sk = sock->sk;
719 729
@@ -780,6 +790,7 @@ int inet_shutdown(struct socket *sock, int how)
780 release_sock(sk); 790 release_sock(sk);
781 return err; 791 return err;
782} 792}
793EXPORT_SYMBOL(inet_shutdown);
783 794
784/* 795/*
785 * ioctl() calls you can issue on an INET socket. Most of these are 796 * ioctl() calls you can issue on an INET socket. Most of these are
@@ -798,44 +809,45 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
798 struct net *net = sock_net(sk); 809 struct net *net = sock_net(sk);
799 810
800 switch (cmd) { 811 switch (cmd) {
801 case SIOCGSTAMP: 812 case SIOCGSTAMP:
802 err = sock_get_timestamp(sk, (struct timeval __user *)arg); 813 err = sock_get_timestamp(sk, (struct timeval __user *)arg);
803 break; 814 break;
804 case SIOCGSTAMPNS: 815 case SIOCGSTAMPNS:
805 err = sock_get_timestampns(sk, (struct timespec __user *)arg); 816 err = sock_get_timestampns(sk, (struct timespec __user *)arg);
806 break; 817 break;
807 case SIOCADDRT: 818 case SIOCADDRT:
808 case SIOCDELRT: 819 case SIOCDELRT:
809 case SIOCRTMSG: 820 case SIOCRTMSG:
810 err = ip_rt_ioctl(net, cmd, (void __user *)arg); 821 err = ip_rt_ioctl(net, cmd, (void __user *)arg);
811 break; 822 break;
812 case SIOCDARP: 823 case SIOCDARP:
813 case SIOCGARP: 824 case SIOCGARP:
814 case SIOCSARP: 825 case SIOCSARP:
815 err = arp_ioctl(net, cmd, (void __user *)arg); 826 err = arp_ioctl(net, cmd, (void __user *)arg);
816 break; 827 break;
817 case SIOCGIFADDR: 828 case SIOCGIFADDR:
818 case SIOCSIFADDR: 829 case SIOCSIFADDR:
819 case SIOCGIFBRDADDR: 830 case SIOCGIFBRDADDR:
820 case SIOCSIFBRDADDR: 831 case SIOCSIFBRDADDR:
821 case SIOCGIFNETMASK: 832 case SIOCGIFNETMASK:
822 case SIOCSIFNETMASK: 833 case SIOCSIFNETMASK:
823 case SIOCGIFDSTADDR: 834 case SIOCGIFDSTADDR:
824 case SIOCSIFDSTADDR: 835 case SIOCSIFDSTADDR:
825 case SIOCSIFPFLAGS: 836 case SIOCSIFPFLAGS:
826 case SIOCGIFPFLAGS: 837 case SIOCGIFPFLAGS:
827 case SIOCSIFFLAGS: 838 case SIOCSIFFLAGS:
828 err = devinet_ioctl(net, cmd, (void __user *)arg); 839 err = devinet_ioctl(net, cmd, (void __user *)arg);
829 break; 840 break;
830 default: 841 default:
831 if (sk->sk_prot->ioctl) 842 if (sk->sk_prot->ioctl)
832 err = sk->sk_prot->ioctl(sk, cmd, arg); 843 err = sk->sk_prot->ioctl(sk, cmd, arg);
833 else 844 else
834 err = -ENOIOCTLCMD; 845 err = -ENOIOCTLCMD;
835 break; 846 break;
836 } 847 }
837 return err; 848 return err;
838} 849}
850EXPORT_SYMBOL(inet_ioctl);
839 851
840const struct proto_ops inet_stream_ops = { 852const struct proto_ops inet_stream_ops = {
841 .family = PF_INET, 853 .family = PF_INET,
@@ -862,6 +874,7 @@ const struct proto_ops inet_stream_ops = {
862 .compat_getsockopt = compat_sock_common_getsockopt, 874 .compat_getsockopt = compat_sock_common_getsockopt,
863#endif 875#endif
864}; 876};
877EXPORT_SYMBOL(inet_stream_ops);
865 878
866const struct proto_ops inet_dgram_ops = { 879const struct proto_ops inet_dgram_ops = {
867 .family = PF_INET, 880 .family = PF_INET,
@@ -887,6 +900,7 @@ const struct proto_ops inet_dgram_ops = {
887 .compat_getsockopt = compat_sock_common_getsockopt, 900 .compat_getsockopt = compat_sock_common_getsockopt,
888#endif 901#endif
889}; 902};
903EXPORT_SYMBOL(inet_dgram_ops);
890 904
891/* 905/*
892 * For SOCK_RAW sockets; should be the same as inet_dgram_ops but without 906 * For SOCK_RAW sockets; should be the same as inet_dgram_ops but without
@@ -1016,6 +1030,7 @@ out_illegal:
1016 p->type); 1030 p->type);
1017 goto out; 1031 goto out;
1018} 1032}
1033EXPORT_SYMBOL(inet_register_protosw);
1019 1034
1020void inet_unregister_protosw(struct inet_protosw *p) 1035void inet_unregister_protosw(struct inet_protosw *p)
1021{ 1036{
@@ -1031,6 +1046,7 @@ void inet_unregister_protosw(struct inet_protosw *p)
1031 synchronize_net(); 1046 synchronize_net();
1032 } 1047 }
1033} 1048}
1049EXPORT_SYMBOL(inet_unregister_protosw);
1034 1050
1035/* 1051/*
1036 * Shall we try to damage output packets if routing dev changes? 1052 * Shall we try to damage output packets if routing dev changes?
@@ -1141,7 +1157,6 @@ int inet_sk_rebuild_header(struct sock *sk)
1141 1157
1142 return err; 1158 return err;
1143} 1159}
1144
1145EXPORT_SYMBOL(inet_sk_rebuild_header); 1160EXPORT_SYMBOL(inet_sk_rebuild_header);
1146 1161
1147static int inet_gso_send_check(struct sk_buff *skb) 1162static int inet_gso_send_check(struct sk_buff *skb)
@@ -1369,7 +1384,6 @@ int inet_ctl_sock_create(struct sock **sk, unsigned short family,
1369 } 1384 }
1370 return rc; 1385 return rc;
1371} 1386}
1372
1373EXPORT_SYMBOL_GPL(inet_ctl_sock_create); 1387EXPORT_SYMBOL_GPL(inet_ctl_sock_create);
1374 1388
1375unsigned long snmp_fold_field(void *mib[], int offt) 1389unsigned long snmp_fold_field(void *mib[], int offt)
@@ -1676,19 +1690,3 @@ static int __init ipv4_proc_init(void)
1676 1690
1677MODULE_ALIAS_NETPROTO(PF_INET); 1691MODULE_ALIAS_NETPROTO(PF_INET);
1678 1692
1679EXPORT_SYMBOL(inet_accept);
1680EXPORT_SYMBOL(inet_bind);
1681EXPORT_SYMBOL(inet_dgram_connect);
1682EXPORT_SYMBOL(inet_dgram_ops);
1683EXPORT_SYMBOL(inet_getname);
1684EXPORT_SYMBOL(inet_ioctl);
1685EXPORT_SYMBOL(inet_listen);
1686EXPORT_SYMBOL(inet_register_protosw);
1687EXPORT_SYMBOL(inet_release);
1688EXPORT_SYMBOL(inet_sendmsg);
1689EXPORT_SYMBOL(inet_shutdown);
1690EXPORT_SYMBOL(inet_sock_destruct);
1691EXPORT_SYMBOL(inet_stream_connect);
1692EXPORT_SYMBOL(inet_stream_ops);
1693EXPORT_SYMBOL(inet_unregister_protosw);
1694EXPORT_SYMBOL(sysctl_ip_nonlocal_bind);