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Date: Thu, 17 Jul 2008 17:28:00 +0400
From: Pavel Emelyanov <xemul@...nvz.org>
To: David Miller <davem@...emloft.net>
CC: Linux Netdev List <netdev@...r.kernel.org>
Subject: [PATCH 5/16] mib: put net statistics on struct net
Similar to ip and tcp ones :)
Signed-off-by: Pavel Emelyanov <xemul@...nvz.org>
---
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 ff2535a..b5862b9 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 1094ebb..b5b1115 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 3090a93..776ed31 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -115,8 +115,6 @@
#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
@@ -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 2698bb2..ef38b1d 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:");
--
1.5.5.1
--
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