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authorFlorent Fourcot <florent.fourcot@wifirst.fr>2018-05-06 16:30:14 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2018-05-07 00:04:02 +0200
commit538c5672be6d67b7b10c15701588e20617374973 (patch)
tree1781bcc0453ea536af4ad4c69e5e7016d631406b /include
parentbfb15f2a95cbbc548b59abf8007d0fdb35fdfee5 (diff)
downloadlinux-538c5672be6d67b7b10c15701588e20617374973.tar.bz2
netfilter: ctnetlink: export nf_conntrack_max
IPCTNL_MSG_CT_GET_STATS netlink command allow to monitor current number of conntrack entries. However, if one wants to compare it with the maximum (and detect exhaustion), the only solution is currently to read sysctl value. This patch add nf_conntrack_max value in netlink message, and simplify monitoring for application built on netlink API. Signed-off-by: Florent Fourcot <florent.fourcot@wifirst.fr> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include')
-rw-r--r--include/uapi/linux/netfilter/nfnetlink_conntrack.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter/nfnetlink_conntrack.h b/include/uapi/linux/netfilter/nfnetlink_conntrack.h
index 77987111cab0..1d41810d17e2 100644
--- a/include/uapi/linux/netfilter/nfnetlink_conntrack.h
+++ b/include/uapi/linux/netfilter/nfnetlink_conntrack.h
@@ -262,6 +262,7 @@ enum ctattr_stats_cpu {
enum ctattr_stats_global {
CTA_STATS_GLOBAL_UNSPEC,
CTA_STATS_GLOBAL_ENTRIES,
+ CTA_STATS_GLOBAL_MAX_ENTRIES,
__CTA_STATS_GLOBAL_MAX,
};
#define CTA_STATS_GLOBAL_MAX (__CTA_STATS_GLOBAL_MAX - 1)