From 61a7e26028b94805fd686a6dc9dbd9941f8f19b0 Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:03:08 -0700 Subject: [PATCH] mib: put net statistics on struct net Similar to ip and tcp ones :) Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- include/net/ip.h | 11 +++++------ include/net/netns/mib.h | 1 + net/ipv4/af_inet.c | 14 ++++++-------- net/ipv4/proc.c | 2 +- 4 files changed, 13 insertions(+), 15 deletions(-) diff --git a/include/net/ip.h b/include/net/ip.h index ff2535ada02..b5862b97520 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -159,12 +159,11 @@ extern struct ipv4_config ipv4_config; #define IP_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.ip_statistics, field) #define IP_INC_STATS_BH(net, field) SNMP_INC_STATS_BH((net)->mib.ip_statistics, field) #define IP_ADD_STATS_BH(net, field, val) SNMP_ADD_STATS_BH((net)->mib.ip_statistics, field, val) -DECLARE_SNMP_STAT(struct linux_mib, net_statistics); -#define NET_INC_STATS(net, field) do { (void)net; SNMP_INC_STATS(net_statistics, field); } while (0) -#define NET_INC_STATS_BH(net, field) do { (void)net; SNMP_INC_STATS_BH(net_statistics, field); } while (0) -#define NET_INC_STATS_USER(net, field) do { (void)net; SNMP_INC_STATS_USER(net_statistics, field); } while (0) -#define NET_ADD_STATS_BH(net, field, adnd) do { (void)net; SNMP_ADD_STATS_BH(net_statistics, field, adnd); } while (0) -#define NET_ADD_STATS_USER(net, field, adnd) do { (void)net; SNMP_ADD_STATS_USER(net_statistics, field, adnd); } while (0) +#define NET_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.net_statistics, field) +#define NET_INC_STATS_BH(net, field) SNMP_INC_STATS_BH((net)->mib.net_statistics, field) +#define NET_INC_STATS_USER(net, field) SNMP_INC_STATS_USER((net)->mib.net_statistics, field) +#define NET_ADD_STATS_BH(net, field, adnd) SNMP_ADD_STATS_BH((net)->mib.net_statistics, field, adnd) +#define NET_ADD_STATS_USER(net, field, adnd) SNMP_ADD_STATS_USER((net)->mib.net_statistics, field, adnd) extern unsigned long snmp_fold_field(void *mib[], int offt); extern int snmp_mib_init(void *ptr[2], size_t mibsize); diff --git a/include/net/netns/mib.h b/include/net/netns/mib.h index 1094ebbf0b4..b5b1115adfa 100644 --- a/include/net/netns/mib.h +++ b/include/net/netns/mib.h @@ -6,6 +6,7 @@ struct netns_mib { DEFINE_SNMP_STAT(struct tcp_mib, tcp_statistics); DEFINE_SNMP_STAT(struct ipstats_mib, ip_statistics); + DEFINE_SNMP_STAT(struct linux_mib, net_statistics); }; #endif diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 3090a9307c4..776ed3199b5 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -115,8 +115,6 @@ #include #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 @@ -1348,10 +1346,15 @@ static __net_init int ipv4_mib_init_net(struct net *net) 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; tcp_mib_init(net); return 0; +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: @@ -1360,6 +1363,7 @@ err_tcp_mib: static __net_exit void ipv4_mib_exit_net(struct net *net) { + snmp_mib_free((void **)net->mib.net_statistics); snmp_mib_free((void **)net->mib.ip_statistics); snmp_mib_free((void **)net->mib.tcp_statistics); } @@ -1371,9 +1375,6 @@ static __net_initdata struct pernet_operations ipv4_mib_ops = { static int __init init_ipv4_mibs(void) { - if (snmp_mib_init((void **)net_statistics, - sizeof(struct linux_mib)) < 0) - goto err_net_mib; if (snmp_mib_init((void **)icmp_statistics, sizeof(struct icmp_mib)) < 0) goto err_icmp_mib; @@ -1401,8 +1402,6 @@ err_udp_mib: err_icmpmsg_mib: snmp_mib_free((void **)icmp_statistics); err_icmp_mib: - snmp_mib_free((void **)net_statistics); -err_net_mib: return -ENOMEM; } @@ -1582,5 +1581,4 @@ EXPORT_SYMBOL(inet_sock_destruct); 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); diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 2698bb2ce98..ef38b1dccfd 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -421,7 +421,7 @@ static int netstat_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "\nTcpExt:"); for (i = 0; snmp4_net_list[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **)net_statistics, + snmp_fold_field((void **)init_net.mib.net_statistics, snmp4_net_list[i].entry)); seq_puts(seq, "\nIpExt:"); -- 2.41.1