net sched: update vlan action for batched events operations

Add get_fill_size() routine used to calculate the action size when building a batch of events. Fixes: c7e2b96 ("sched: introduce vlan action") Signed-off-by: Roman Mashak <[email protected]> Signed-off-by: David S. Miller <[email protected]>
vieko · Aug 6, 2019 · b35475c · b35475c
1 parent 3abd24a
commit b35475c
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c
@@ -308,6 +308,14 @@ static int tcf_vlan_search(struct net *net, struct tc_action **a, u32 index)
 	return tcf_idr_search(tn, a, index);
 }
 
+static size_t tcf_vlan_get_fill_size(const struct tc_action *act)
+{
+	return nla_total_size(sizeof(struct tc_vlan))
+		+ nla_total_size(sizeof(u16)) /* TCA_VLAN_PUSH_VLAN_ID */
+		+ nla_total_size(sizeof(u16)) /* TCA_VLAN_PUSH_VLAN_PROTOCOL */
+		+ nla_total_size(sizeof(u8)); /* TCA_VLAN_PUSH_VLAN_PRIORITY */
+}
+
 static struct tc_action_ops act_vlan_ops = {
 	.kind		=	"vlan",
 	.id		=	TCA_ID_VLAN,
@@ -317,6 +325,7 @@ static struct tc_action_ops act_vlan_ops = {
 	.init		=	tcf_vlan_init,
 	.cleanup	=	tcf_vlan_cleanup,
 	.walk		=	tcf_vlan_walker,
+	.get_fill_size	=	tcf_vlan_get_fill_size,
 	.lookup		=	tcf_vlan_search,
 	.size		=	sizeof(struct tcf_vlan),
 };