netfilter: nft_meta: add cgroup support

This allows you to filter traffic by process control group (cgroup).

Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Ana Rey
2014-11-03 18:10:50 +01:00
committed by Pablo Neira Ayuso
parent c5a589cc30
commit ce674173e9
2 changed files with 9 additions and 0 deletions

View File

@@ -579,6 +579,7 @@ enum nft_exthdr_attributes {
* @NFT_META_CPU: cpu id through smp_processor_id()
* @NFT_META_IIFGROUP: packet input interface group
* @NFT_META_OIFGROUP: packet output interface group
* @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
*/
enum nft_meta_keys {
NFT_META_LEN,
@@ -604,6 +605,7 @@ enum nft_meta_keys {
NFT_META_CPU,
NFT_META_IIFGROUP,
NFT_META_OIFGROUP,
NFT_META_CGROUP,
};
/**