src: add support for flowtable counter

Allow users to enable flow counters via control plane toggle, e.g.

 table ip x {
	flowtable y {
		hook ingress priority 0;
		counter;
	}

	chain z {
		type filter hook ingress priority filter;
		flow add @z
	}
 }

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/parser_bison.y b/src/parser_bison.y
index e14118ca..9976bcaf 100644
--- a/src/parser_bison.y
+++ b/src/parser_bison.y
@@ -1892,6 +1892,10 @@ flowtable_block		:	/* empty */	{ $$ = $<flowtable>-1; }
 			{
 				$$->dev_expr = $4;
 			}
+			|	flowtable_block COUNTER
+			{
+				$$->flags |= NFT_FLOWTABLE_COUNTER;
+			}
 			;
 
 flowtable_expr		:	'{'	flowtable_list_expr	'}'