[PATCH 6/6] basic: add action removal API

[Cong Wang]

Signed-off-by: Cong Wang <xiyou.wangcong at gmail.com>
---
 include/netlink/route/cls/basic.h |  1 +
 lib/route/cls/basic.c             | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/include/netlink/route/cls/basic.h b/include/netlink/route/cls/basic.h
index 2fbae64..f00793c 100644
--- a/include/netlink/route/cls/basic.h
+++ b/include/netlink/route/cls/basic.h
@@ -27,6 +27,7 @@ extern void			rtnl_basic_set_ematch(struct rtnl_cls *,
 						      struct rtnl_ematch_tree *);
 extern struct rtnl_ematch_tree *rtnl_basic_get_ematch(struct rtnl_cls *);
 extern int rtnl_basic_add_action(struct rtnl_cls *, struct rtnl_act *);
+extern int rtnl_basic_del_action(struct rtnl_cls *, struct rtnl_act *);
 
 #ifdef __cplusplus
 }
diff --git a/lib/route/cls/basic.c b/lib/route/cls/basic.c
index b7449c0..c5c5cb0 100644
--- a/lib/route/cls/basic.c
+++ b/lib/route/cls/basic.c
@@ -232,6 +232,25 @@ int rtnl_basic_add_action(struct rtnl_cls *cls, struct rtnl_act *act)
 	b->b_mask |= BASIC_ATTR_ACTION;
 	return rtnl_act_append(&b->b_act, act);
 }
+
+int rtnl_basic_del_action(struct rtnl_cls *cls, struct rtnl_act *act)
+{
+	struct rtnl_basic *b;
+	int ret;
+
+	if (!act)
+		return 0;
+
+	if (!(b = rtnl_tc_data(TC_CAST(cls))))
+		return -NLE_NOMEM;
+
+	if (!(b->b_mask & BASIC_ATTR_ACTION))
+		return -NLE_INVAL;
+	ret = rtnl_act_remove(&b->b_act, act);
+	if (!b->b_act)
+		b->b_mask &= ~BASIC_ATTR_ACTION;
+	return ret;
+}
 /** @} */
 
 static struct rtnl_tc_ops basic_ops = {
-- 
1.8.3.1