diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c
index 5d228a402204..6d6d45e03c07 100644
--- a/net/sched/act_gate.c
+++ b/net/sched/act_gate.c
@@ -681,7 +681,35 @@ static void tcf_gate_stats_update(struct tc_action *a, u64 bytes, u64 packets,
 
 static size_t tcf_gate_get_fill_size(const struct tc_action *act)
 {
-	return nla_total_size(sizeof(struct tc_gate));
+	struct tcf_gate *gact = to_gate(act);
+	const struct tcf_gate_params *p;
+	struct tcfg_gate_entry *entry;
+	size_t size = nla_total_size(sizeof(struct tc_gate)) /* TCA_GATE_PARMS */
+		+ 3 * nla_total_size_64bit(sizeof(u64)) /* TCA_GATE_BASE_TIME
+							 * TCA_GATE_CYCLE_TIME
+							 * TCA_GATE_CYCLE_TIME_EXT
+							 */
+		+ nla_total_size(sizeof(s32)) /* TCA_GATE_CLOCKID */
+		+ nla_total_size(sizeof(u32)) /* TCA_GATE_FLAGS */
+		+ nla_total_size(sizeof(s32)) /* TCA_GATE_PRIORITY */
+		+ nla_total_size(0); /* TCA_GATE_ENTRY_LIST */
+	/* TCA_GATE_TM is budgeted by tcf_action_shared_attrs_size() */
+
+	rcu_read_lock();
+	p = rcu_dereference(gact->param);
+	if (p) {
+		list_for_each_entry_rcu(entry, &p->entries, list)
+			/* TCA_GATE_ONE_ENTRY nest and its attributes */
+			size += nla_total_size(0)
+				+ nla_total_size(sizeof(u32)) /* TCA_GATE_ENTRY_INDEX */
+				+ nla_total_size(0) /* TCA_GATE_ENTRY_GATE */
+				+ nla_total_size(sizeof(u32)) /* TCA_GATE_ENTRY_INTERVAL */
+				+ nla_total_size(sizeof(s32)) /* TCA_GATE_ENTRY_MAX_OCTETS */
+				+ nla_total_size(sizeof(s32)); /* TCA_GATE_ENTRY_IPV */
+	}
+	rcu_read_unlock();
+
+	return size;
 }
 
 static void tcf_gate_entry_destructor(void *priv)