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| author | Masahide NAKAMURA <nakam@linux-ipv6.org> | 2007-12-21 05:42:57 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 23:59:38 +0100 |
| commit | 558f82ef6e0d25e87f7468c07b6db1fbbf95a855 (patch) | |
| tree | b2fe20926ca4e500b6e5c0232a5bf3b2e3ba898e /net/xfrm/xfrm_policy.c | |
| parent | [XFRM] MIPv6: Fix to input RO state correctly. (diff) | |
| download | linux-558f82ef6e0d25e87f7468c07b6db1fbbf95a855.tar.xz linux-558f82ef6e0d25e87f7468c07b6db1fbbf95a855.zip | |
[XFRM]: Define packet dropping statistics.
This statistics is shown factor dropped by transformation
at /proc/net/xfrm_stat for developer.
It is a counter designed from current transformation source code
and defined as linux private MIB.
See Documentation/networking/xfrm_proc.txt for the detail.
Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/xfrm/xfrm_policy.c')
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 521cb6e12561..32ddb7b12e7f 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -27,11 +27,19 @@ #include <net/dst.h> #include <net/xfrm.h> #include <net/ip.h> +#ifdef CONFIG_XFRM_STATISTICS +#include <net/snmp.h> +#endif #include "xfrm_hash.h" int sysctl_xfrm_larval_drop __read_mostly; +#ifdef CONFIG_XFRM_STATISTICS +DEFINE_SNMP_STAT(struct linux_xfrm_mib, xfrm_statistics) __read_mostly; +EXPORT_SYMBOL(xfrm_statistics); +#endif + DEFINE_MUTEX(xfrm_cfg_mutex); EXPORT_SYMBOL(xfrm_cfg_mutex); @@ -2258,6 +2266,16 @@ static struct notifier_block xfrm_dev_notifier = { 0 }; +#ifdef CONFIG_XFRM_STATISTICS +static int __init xfrm_statistics_init(void) +{ + if (snmp_mib_init((void **)xfrm_statistics, + sizeof(struct linux_xfrm_mib)) < 0) + return -ENOMEM; + return 0; +} +#endif + static void __init xfrm_policy_init(void) { unsigned int hmask, sz; @@ -2294,9 +2312,15 @@ static void __init xfrm_policy_init(void) void __init xfrm_init(void) { +#ifdef CONFIG_XFRM_STATISTICS + xfrm_statistics_init(); +#endif xfrm_state_init(); xfrm_policy_init(); xfrm_input_init(); +#ifdef CONFIG_XFRM_STATISTICS + xfrm_proc_init(); +#endif } #ifdef CONFIG_AUDITSYSCALL |