netfilter: nf_tables: add devgroup support in meta expresion

Add devgroup support to let us match device group of a packets incoming
or outgoing interface.

Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index c9b6f00a3fb7..c000947d3f38 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -573,6 +573,8 @@ enum nft_exthdr_attributes {
  * @NFT_META_BRI_OIFNAME: packet output bridge interface name
  * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
  * @NFT_META_CPU: cpu id through smp_processor_id()
+ * @NFT_META_IIFGROUP: packet input interface group
+ * @NFT_META_OIFGROUP: packet output interface group
  */
 enum nft_meta_keys {
         NFT_META_LEN,
@@ -596,6 +598,8 @@ enum nft_meta_keys {
         NFT_META_BRI_OIFNAME,
         NFT_META_PKTTYPE,
         NFT_META_CPU,
+        NFT_META_IIFGROUP,
+        NFT_META_OIFGROUP,
 };
 
 /**