netdev - [PATCH v3 net-next 4/4] net sched actions: implement get_fill_size routine in act

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Message-Id: <1520546360-15331-5-git-send-email-mrv@mojatatu.com>
Date:   Thu,  8 Mar 2018 16:59:20 -0500
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 v3 net-next 4/4] net sched actions: implement get_fill_size routine in act_gact

Signed-off-by: Roman Mashak <mrv@...atatu.com>
---
 net/sched/act_gact.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index 74563254e676..88fbb8403565 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -217,6 +217,19 @@ static int tcf_gact_search(struct net *net, struct tc_action **a, u32 index,
 	return tcf_idr_search(tn, a, index);
 }
 
+static size_t tcf_gact_get_fill_size(const struct tc_action *act)
+{
+	size_t sz = nla_total_size(sizeof(struct tc_gact)); /* TCA_GACT_PARMS */
+
+#ifdef CONFIG_GACT_PROB
+	if (to_gact(act)->tcfg_ptype)
+		/* TCA_GACT_PROB */
+		sz += nla_total_size(sizeof(struct tc_gact_p));
+#endif
+
+	return sz;
+}
+
 static struct tc_action_ops act_gact_ops = {
 	.kind		=	"gact",
 	.type		=	TCA_ACT_GACT,
@@ -227,6 +240,7 @@ static struct tc_action_ops act_gact_ops = {
 	.init		=	tcf_gact_init,
 	.walk		=	tcf_gact_walker,
 	.lookup		=	tcf_gact_search,
+	.get_fill_size	=	tcf_gact_get_fill_size,
 	.size		=	sizeof(struct tcf_gact),
 };
 
-- 
2.7.4