diff mbox series

[net,1/2] net sched: update vlan action for batched events operations

Message ID 1564773407-26209-2-git-send-email-mrv@mojatatu.com
State Accepted
Delegated to: David Miller
Headers show
Series Fix batched event generation for vlan action | expand

Commit Message

Roman Mashak Aug. 2, 2019, 7:16 p.m. UTC 
Add get_fill_size() routine used to calculate the action size
when building a batch of events.

Fixes: c7e2b9689 ("sched: introduce vlan action")
Signed-off-by: Roman Mashak <mrv@mojatatu.com>
---
 net/sched/act_vlan.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c
index 9269d350fb8a..e0c97267bccb 100644
--- a/net/sched/act_vlan.c
+++ b/net/sched/act_vlan.c
@@ -306,6 +306,14 @@  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,
@@ -315,6 +323,7 @@  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),
 };