netdev - [PATCH net-next v2 1/2] net sched: update skbedit action for batched events operations

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Message-Id: <1563384992-9430-2-git-send-email-mrv@mojatatu.com>
Date:   Wed, 17 Jul 2019 13:36:31 -0400
From:   Roman Mashak <mrv@...atatu.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, kernel@...atatu.com, jhs@...atatu.com,
        xiyou.wangcong@...il.com, jiri@...nulli.us,
        Roman Mashak <mrv@...atatu.com>
Subject: [PATCH net-next v2 1/2] net sched: update skbedit action for batched events operations

Add get_fill_size() routine used to calculate the action size
when building a batch of events.

Fixes: ca9b0e27e ("pkt_action: add new action skbedit")
Signed-off-by: Roman Mashak <mrv@...atatu.com>
---
 net/sched/act_skbedit.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index 215a06705cef..dc3c653ec45e 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -306,6 +306,17 @@ static int tcf_skbedit_search(struct net *net, struct tc_action **a, u32 index)
 	return tcf_idr_search(tn, a, index);
 }
 
+static size_t tcf_skbedit_get_fill_size(const struct tc_action *act)
+{
+	return nla_total_size(sizeof(struct tc_skbedit))
+		+ nla_total_size(sizeof(u32)) /* TCA_SKBEDIT_PRIORITY */
+		+ nla_total_size(sizeof(u16)) /* TCA_SKBEDIT_QUEUE_MAPPING */
+		+ nla_total_size(sizeof(u32)) /* TCA_SKBEDIT_MARK */
+		+ nla_total_size(sizeof(u16)) /* TCA_SKBEDIT_PTYPE */
+		+ nla_total_size(sizeof(u32)) /* TCA_SKBEDIT_MASK */
+		+ nla_total_size_64bit(sizeof(u64)); /* TCA_SKBEDIT_FLAGS */
+}
+
 static struct tc_action_ops act_skbedit_ops = {
 	.kind		=	"skbedit",
 	.id		=	TCA_ID_SKBEDIT,
@@ -315,6 +326,7 @@ static struct tc_action_ops act_skbedit_ops = {
 	.init		=	tcf_skbedit_init,
 	.cleanup	=	tcf_skbedit_cleanup,
 	.walk		=	tcf_skbedit_walker,
+	.get_fill_size	=	tcf_skbedit_get_fill_size,
 	.lookup		=	tcf_skbedit_search,
 	.size		=	sizeof(struct tcf_skbedit),
 };
-- 
2.7.4