net sched: update vlan action for batched events operations
authorRoman Mashak <mrv@mojatatu.com>
Fri, 2 Aug 2019 19:16:46 +0000 (15:16 -0400)
committerDavid S. Miller <davem@davemloft.net>
Tue, 6 Aug 2019 21:05:39 +0000 (14:05 -0700)
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/act_vlan.c

index 984b05a..a3c9eea 100644 (file)
@@ -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),
 };