#include <net/ipip.h>
#include <net/inet_common.h>
#include <net/xfrm.h>
+#include <net/net_namespace.h>
#ifdef CONFIG_IP_MROUTE
#include <linux/mroute.h>
#endif
-DEFINE_SNMP_STAT(struct linux_mib, net_statistics) __read_mostly;
-
extern void ip_mc_drop_socket(struct sock *sk);
/* The inetsw table contains everything that inet_create needs to
return;
}
- BUG_TRAP(!atomic_read(&sk->sk_rmem_alloc));
- BUG_TRAP(!atomic_read(&sk->sk_wmem_alloc));
- BUG_TRAP(!sk->sk_wmem_queued);
- BUG_TRAP(!sk->sk_forward_alloc);
+ WARN_ON(atomic_read(&sk->sk_rmem_alloc));
+ WARN_ON(atomic_read(&sk->sk_wmem_alloc));
+ WARN_ON(sk->sk_wmem_queued);
+ WARN_ON(sk->sk_forward_alloc);
kfree(inet->opt);
dst_release(sk->sk_dst_cache);
static int inet_create(struct net *net, struct socket *sock, int protocol)
{
struct sock *sk;
- struct list_head *p;
struct inet_protosw *answer;
struct inet_sock *inet;
struct proto *answer_prot;
sock->state = SS_UNCONNECTED;
/* Look for the requested type/protocol pair. */
- answer = NULL;
lookup_protocol:
err = -ESOCKTNOSUPPORT;
rcu_read_lock();
- list_for_each_rcu(p, &inetsw[sock->type]) {
- answer = list_entry(p, struct inet_protosw, list);
+ list_for_each_entry_rcu(answer, &inetsw[sock->type], list) {
+ err = 0;
/* Check the non-wild match. */
if (protocol == answer->protocol) {
if (protocol != IPPROTO_IP)
break;
}
err = -EPROTONOSUPPORT;
- answer = NULL;
}
- if (unlikely(answer == NULL)) {
+ if (unlikely(err)) {
if (try_loading_module < 2) {
rcu_read_unlock();
/*
answer_flags = answer->flags;
rcu_read_unlock();
- BUG_TRAP(answer_prot->slab != NULL);
+ WARN_ON(answer_prot->slab == NULL);
err = -ENOBUFS;
sk = sk_alloc(net, PF_INET, GFP_KERNEL, answer_prot);
lock_sock(sk2);
- BUG_TRAP((1 << sk2->sk_state) &
- (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT | TCPF_CLOSE));
+ WARN_ON(!((1 << sk2->sk_state) &
+ (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT | TCPF_CLOSE)));
sock_graft(sk2, newsock);
.netns_ok = 1,
};
-static int __init init_ipv4_mibs(void)
+static __net_init int ipv4_mib_init_net(struct net *net)
{
- if (snmp_mib_init((void **)net_statistics,
- sizeof(struct linux_mib)) < 0)
- goto err_net_mib;
- if (snmp_mib_init((void **)ip_statistics,
- sizeof(struct ipstats_mib)) < 0)
- goto err_ip_mib;
- if (snmp_mib_init((void **)icmp_statistics,
- 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,
+ if (snmp_mib_init((void **)net->mib.tcp_statistics,
sizeof(struct tcp_mib)) < 0)
goto err_tcp_mib;
- if (snmp_mib_init((void **)udp_statistics,
+ if (snmp_mib_init((void **)net->mib.ip_statistics,
+ sizeof(struct ipstats_mib)) < 0)
+ goto err_ip_mib;
+ if (snmp_mib_init((void **)net->mib.net_statistics,
+ sizeof(struct linux_mib)) < 0)
+ goto err_net_mib;
+ if (snmp_mib_init((void **)net->mib.udp_statistics,
sizeof(struct udp_mib)) < 0)
goto err_udp_mib;
- if (snmp_mib_init((void **)udplite_statistics,
+ if (snmp_mib_init((void **)net->mib.udplite_statistics,
sizeof(struct udp_mib)) < 0)
goto err_udplite_mib;
+ if (snmp_mib_init((void **)net->mib.icmp_statistics,
+ sizeof(struct icmp_mib)) < 0)
+ goto err_icmp_mib;
+ if (snmp_mib_init((void **)net->mib.icmpmsg_statistics,
+ sizeof(struct icmpmsg_mib)) < 0)
+ goto err_icmpmsg_mib;
- tcp_mib_init(&init_net);
-
+ tcp_mib_init(net);
return 0;
-err_udplite_mib:
- snmp_mib_free((void **)udp_statistics);
-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);
+ snmp_mib_free((void **)net->mib.icmp_statistics);
err_icmp_mib:
- snmp_mib_free((void **)ip_statistics);
-err_ip_mib:
- snmp_mib_free((void **)net_statistics);
+ snmp_mib_free((void **)net->mib.udplite_statistics);
+err_udplite_mib:
+ snmp_mib_free((void **)net->mib.udp_statistics);
+err_udp_mib:
+ snmp_mib_free((void **)net->mib.net_statistics);
err_net_mib:
+ snmp_mib_free((void **)net->mib.ip_statistics);
+err_ip_mib:
+ snmp_mib_free((void **)net->mib.tcp_statistics);
+err_tcp_mib:
return -ENOMEM;
}
+static __net_exit void ipv4_mib_exit_net(struct net *net)
+{
+ snmp_mib_free((void **)net->mib.icmpmsg_statistics);
+ snmp_mib_free((void **)net->mib.icmp_statistics);
+ snmp_mib_free((void **)net->mib.udplite_statistics);
+ snmp_mib_free((void **)net->mib.udp_statistics);
+ snmp_mib_free((void **)net->mib.net_statistics);
+ snmp_mib_free((void **)net->mib.ip_statistics);
+ snmp_mib_free((void **)net->mib.tcp_statistics);
+}
+
+static __net_initdata struct pernet_operations ipv4_mib_ops = {
+ .init = ipv4_mib_init_net,
+ .exit = ipv4_mib_exit_net,
+};
+
+static int __init init_ipv4_mibs(void)
+{
+ return register_pernet_subsys(&ipv4_mib_ops);
+}
+
static int ipv4_proc_init(void);
/*
(void)sock_register(&inet_family_ops);
+#ifdef CONFIG_SYSCTL
+ ip_static_sysctl_init();
+#endif
+
/*
* Add all the base protocols.
*/
EXPORT_SYMBOL(inet_stream_connect);
EXPORT_SYMBOL(inet_stream_ops);
EXPORT_SYMBOL(inet_unregister_protosw);
-EXPORT_SYMBOL(net_statistics);
EXPORT_SYMBOL(sysctl_ip_nonlocal_bind);