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authorTomasz Bursztyka <tomasz.bursztyka@linux.intel.com>2013-12-12 15:00:42 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2013-12-17 14:28:05 +0100
commitd8bcc768c80e73cf4e948cb327949174b4b5b9e7 (patch)
tree18be32c57d81b76d31933c7cd60142ebdb21c0c2 /include/uapi
parent0aff078d58e1c69139189e45ba5e929c030e8056 (diff)
netfilter: nf_tables: Expose the table usage counter via netlink
Userspace can therefore know whether a table is in use or not, and by how many chains. Suggested by Pablo Neira Ayuso. Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/netfilter/nf_tables.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index 256d36b1b94a..b25481e16f0a 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -110,11 +110,13 @@ enum nft_table_flags {
*
* @NFTA_TABLE_NAME: name of the table (NLA_STRING)
* @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32)
+ * @NFTA_TABLE_USE: number of chains in this table (NLA_U32)
*/
enum nft_table_attributes {
NFTA_TABLE_UNSPEC,
NFTA_TABLE_NAME,
NFTA_TABLE_FLAGS,
+ NFTA_TABLE_USE,
__NFTA_TABLE_MAX
};
#define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)