Merge branch 'for-2.6.25' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer...

[linux-2.6-omap-h63xx.git] / net / ipv4 / af_inet.c

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 06c08e5740fbcca5b0aa37dade5a90f88609ee42..09ca5293d08f3c354ad85cea31ddbb9f75c4c4db 100644 (file)
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -126,6 +126,10 @@ extern void ip_mc_drop_socket(struct sock *sk);
 static struct list_head inetsw[SOCK_MAX];
 static DEFINE_SPINLOCK(inetsw_lock);
 
+struct ipv4_config ipv4_config;
+
+EXPORT_SYMBOL(ipv4_config);
+
 /* New destruction routine */
 
 void inet_sock_destruct(struct sock *sk)
@@ -135,6 +139,8 @@ void inet_sock_destruct(struct sock *sk)
        __skb_queue_purge(&sk->sk_receive_queue);
        __skb_queue_purge(&sk->sk_error_queue);
 
+       sk_mem_reclaim(sk);
+
        if (sk->sk_type == SOCK_STREAM && sk->sk_state != TCP_CLOSE) {
                printk("Attempt to release TCP socket in state %d %p\n",
                       sk->sk_state, sk);
@@ -241,7 +247,7 @@ EXPORT_SYMBOL(build_ehash_secret);
  *     Create an inet socket.
  */
 
-static int inet_create(struct socket *sock, int protocol)
+static int inet_create(struct net *net, struct socket *sock, int protocol)
 {
        struct sock *sk;
        struct list_head *p;
@@ -253,6 +259,9 @@ static int inet_create(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)
@@ -320,7 +329,7 @@ lookup_protocol:
        BUG_TRAP(answer_prot->slab != NULL);
 
        err = -ENOBUFS;
-       sk = sk_alloc(PF_INET, GFP_KERNEL, answer_prot, 1);
+       sk = sk_alloc(net, PF_INET, GFP_KERNEL, answer_prot);
        if (sk == NULL)
                goto out;
 
@@ -437,7 +446,7 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
        if (addr_len < sizeof(struct sockaddr_in))
                goto out;
 
-       chk_addr_ret = inet_addr_type(addr->sin_addr.s_addr);
+       chk_addr_ret = inet_addr_type(&init_net, addr->sin_addr.s_addr);
 
        /* Not specified by any standard per-se, however it breaks too
         * many applications when removed.  It is unfortunate since
@@ -786,12 +795,12 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                case SIOCADDRT:
                case SIOCDELRT:
                case SIOCRTMSG:
-                       err = ip_rt_ioctl(cmd, (void __user *)arg);
+                       err = ip_rt_ioctl(sk->sk_net, cmd, (void __user *)arg);
                        break;
                case SIOCDARP:
                case SIOCGARP:
                case SIOCSARP:
-                       err = arp_ioctl(cmd, (void __user *)arg);
+                       err = arp_ioctl(sk->sk_net, cmd, (void __user *)arg);
                        break;
                case SIOCGIFADDR:
                case SIOCSIFADDR:
@@ -831,10 +840,11 @@ const struct proto_ops inet_stream_ops = {
        .shutdown          = inet_shutdown,
        .setsockopt        = sock_common_setsockopt,
        .getsockopt        = sock_common_getsockopt,
-       .sendmsg           = inet_sendmsg,
+       .sendmsg           = tcp_sendmsg,
        .recvmsg           = sock_common_recvmsg,
        .mmap              = sock_no_mmap,
        .sendpage          = tcp_sendpage,
+       .splice_read       = tcp_splice_read,
 #ifdef CONFIG_COMPAT
        .compat_setsockopt = compat_sock_common_setsockopt,
        .compat_getsockopt = compat_sock_common_getsockopt,
@@ -939,7 +949,7 @@ static struct inet_protosw inetsw_array[] =
        }
 };
 
-#define INETSW_ARRAY_LEN (sizeof(inetsw_array) / sizeof(struct inet_protosw))
+#define INETSW_ARRAY_LEN ARRAY_SIZE(inetsw_array)
 
 void inet_register_protosw(struct inet_protosw *p)
 {
@@ -1103,7 +1113,7 @@ int inet_sk_rebuild_header(struct sock *sk)
        };
 
        security_sk_classify_flow(sk, &fl);
-       err = ip_route_output_flow(&rt, &fl, sk, 0);
+       err = ip_route_output_flow(&init_net, &rt, &fl, sk, 0);
 }
        if (!err)
                sk_setup_caps(sk, &rt->u.dst);
@@ -1234,7 +1244,7 @@ unsigned long snmp_fold_field(void *mib[], int offt)
 }
 EXPORT_SYMBOL_GPL(snmp_fold_field);
 
-int snmp_mib_init(void *ptr[2], size_t mibsize, size_t mibalign)
+int snmp_mib_init(void *ptr[2], size_t mibsize)
 {
        BUG_ON(ptr == NULL);
        ptr[0] = __alloc_percpu(mibsize);
@@ -1283,33 +1293,31 @@ static struct net_protocol udp_protocol = {
 
 static struct net_protocol icmp_protocol = {
        .handler =      icmp_rcv,
+       .no_policy =    1,
 };
 
 static int __init init_ipv4_mibs(void)
 {
        if (snmp_mib_init((void **)net_statistics,
-                         sizeof(struct linux_mib),
-                         __alignof__(struct linux_mib)) < 0)
+                         sizeof(struct linux_mib)) < 0)
                goto err_net_mib;
        if (snmp_mib_init((void **)ip_statistics,
-                         sizeof(struct ipstats_mib),
-                         __alignof__(struct ipstats_mib)) < 0)
+                         sizeof(struct ipstats_mib)) < 0)
                goto err_ip_mib;
        if (snmp_mib_init((void **)icmp_statistics,
-                         sizeof(struct icmp_mib),
-                         __alignof__(struct icmp_mib)) < 0)
+                         sizeof(struct icmp_mib)) < 0)
                goto err_icmp_mib;
+       if (snmp_mib_init((void **)icmpmsg_statistics,
+                         sizeof(struct icmpmsg_mib)) < 0)
+               goto err_icmpmsg_mib;
        if (snmp_mib_init((void **)tcp_statistics,
-                         sizeof(struct tcp_mib),
-                         __alignof__(struct tcp_mib)) < 0)
+                         sizeof(struct tcp_mib)) < 0)
                goto err_tcp_mib;
        if (snmp_mib_init((void **)udp_statistics,
-                         sizeof(struct udp_mib),
-                         __alignof__(struct udp_mib)) < 0)
+                         sizeof(struct udp_mib)) < 0)
                goto err_udp_mib;
        if (snmp_mib_init((void **)udplite_statistics,
-                         sizeof(struct udp_mib),
-                         __alignof__(struct udp_mib)) < 0)
+                         sizeof(struct udp_mib)) < 0)
                goto err_udplite_mib;
 
        tcp_mib_init();
@@ -1321,6 +1329,8 @@ err_udplite_mib:
 err_udp_mib:
        snmp_mib_free((void **)tcp_statistics);
 err_tcp_mib:
+       snmp_mib_free((void **)icmpmsg_statistics);
+err_icmpmsg_mib:
        snmp_mib_free((void **)icmp_statistics);
 err_icmp_mib:
        snmp_mib_free((void **)ip_statistics);
@@ -1409,6 +1419,9 @@ static int __init inet_init(void)
        /* Setup TCP slab cache for open requests. */
        tcp_init();
 
+       /* Setup UDP memory threshold */
+       udp_init();
+
        /* Add UDP-Lite (RFC 3828) */
        udplite4_register();
 
@@ -1462,15 +1475,11 @@ static int __init ipv4_proc_init(void)
                goto out_tcp;
        if (udp4_proc_init())
                goto out_udp;
-       if (fib_proc_init())
-               goto out_fib;
        if (ip_misc_proc_init())
                goto out_misc;
 out:
        return rc;
 out_misc:
-       fib_proc_exit();
-out_fib:
        udp4_proc_exit();
 out_udp:
        tcp4_proc_exit();