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Subject[PATCH 5.2 30/56] net sched: update vlan action for batched events operations
Date
From: Roman Mashak <mrv@mojatatu.com>

[ Upstream commit b35475c5491a14c8ce7a5046ef7bcda8a860581a ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/sched/act_vlan.c | 9 +++++++++
1 file changed, 9 insertions(+)

--- a/net/sched/act_vlan.c
+++ b/net/sched/act_vlan.c
@@ -306,6 +306,14 @@ static int tcf_vlan_search(struct net *n
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),
};

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