diff options
| -rw-r--r-- | include/net/netns/mib.h | 1 | ||||
| -rw-r--r-- | include/net/tcp.h | 9 | ||||
| -rw-r--r-- | net/ipv4/af_inet.c | 16 | ||||
| -rw-r--r-- | net/ipv4/proc.c | 4 | ||||
| -rw-r--r-- | net/ipv4/tcp.c | 3 |
5 files changed, 16 insertions, 17 deletions
diff --git a/include/net/netns/mib.h b/include/net/netns/mib.h index 9f4b31ed18c3..8f96079bf0e3 100644 --- a/include/net/netns/mib.h +++ b/include/net/netns/mib.h @@ -4,6 +4,7 @@ #include <net/snmp.h> struct netns_mib { + DEFINE_SNMP_STAT(struct tcp_mib, tcp_statistics); }; #endif diff --git a/include/net/tcp.h b/include/net/tcp.h index 60e5be8b925b..92d7b551dc55 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -265,11 +265,10 @@ static inline int tcp_too_many_orphans(struct sock *sk, int num) extern struct proto tcp_prot; -DECLARE_SNMP_STAT(struct tcp_mib, tcp_statistics); -#define TCP_INC_STATS(net, field) do { (void)net; SNMP_INC_STATS(tcp_statistics, field); } while (0) -#define TCP_INC_STATS_BH(net, field) do { (void)net; SNMP_INC_STATS_BH(tcp_statistics, field); } while (0) -#define TCP_DEC_STATS(net, field) do { (void)net; SNMP_DEC_STATS(tcp_statistics, field); } while (0) -#define TCP_ADD_STATS_USER(net, field, val) do { (void)net; SNMP_ADD_STATS_USER(tcp_statistics, field, val); } while (0) +#define TCP_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.tcp_statistics, field) +#define TCP_INC_STATS_BH(net, field) SNMP_INC_STATS_BH((net)->mib.tcp_statistics, field) +#define TCP_DEC_STATS(net, field) SNMP_DEC_STATS((net)->mib.tcp_statistics, field) +#define TCP_ADD_STATS_USER(net, field, val) SNMP_ADD_STATS_USER((net)->mib.tcp_statistics, field, val) extern void tcp_v4_err(struct sk_buff *skb, u32); diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index b4b77aa07953..c1a3e986f8b4 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1342,11 +1342,20 @@ static struct net_protocol icmp_protocol = { static __net_init int ipv4_mib_init_net(struct net *net) { + if (snmp_mib_init((void **)net->mib.tcp_statistics, + sizeof(struct tcp_mib)) < 0) + goto err_tcp_mib; + + tcp_mib_init(net); return 0; + +err_tcp_mib: + return -ENOMEM; } static __net_exit void ipv4_mib_exit_net(struct net *net) { + snmp_mib_free((void **)net->mib.tcp_statistics); } static __net_initdata struct pernet_operations ipv4_mib_ops = { @@ -1368,9 +1377,6 @@ static int __init init_ipv4_mibs(void) 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)) < 0) - goto err_tcp_mib; if (snmp_mib_init((void **)udp_statistics, sizeof(struct udp_mib)) < 0) goto err_udp_mib; @@ -1378,8 +1384,6 @@ static int __init init_ipv4_mibs(void) sizeof(struct udp_mib)) < 0) goto err_udplite_mib; - tcp_mib_init(&init_net); - if (register_pernet_subsys(&ipv4_mib_ops)) goto err_net; @@ -1390,8 +1394,6 @@ err_net: 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); diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index eb5cee279c5f..19e1d8e257da 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -359,11 +359,11 @@ static int snmp_seq_show(struct seq_file *seq, void *v) /* MaxConn field is signed, RFC 2012 */ if (snmp4_tcp_list[i].entry == TCP_MIB_MAXCONN) seq_printf(seq, " %ld", - snmp_fold_field((void **)tcp_statistics, + snmp_fold_field((void **)init_net.mib.tcp_statistics, snmp4_tcp_list[i].entry)); else seq_printf(seq, " %lu", - snmp_fold_field((void **)tcp_statistics, + snmp_fold_field((void **)init_net.mib.tcp_statistics, snmp4_tcp_list[i].entry)); } diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index eec8cf7c0247..827e6132af5f 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -277,8 +277,6 @@ int sysctl_tcp_fin_timeout __read_mostly = TCP_FIN_TIMEOUT; -DEFINE_SNMP_STAT(struct tcp_mib, tcp_statistics) __read_mostly; - atomic_t tcp_orphan_count = ATOMIC_INIT(0); EXPORT_SYMBOL_GPL(tcp_orphan_count); @@ -2802,4 +2800,3 @@ EXPORT_SYMBOL(tcp_splice_read); EXPORT_SYMBOL(tcp_sendpage); EXPORT_SYMBOL(tcp_setsockopt); EXPORT_SYMBOL(tcp_shutdown); -EXPORT_SYMBOL(tcp_statistics); |