[PATCH 3/5] add u32 action support

[Cong Wang]

Signed-off-by: Cong Wang <xiyou.wangcong at gmail.com>
---
 include/netlink-private/types.h |  2 +-
 include/netlink/route/cls/u32.h |  2 ++
 lib/route/cls/u32.c             | 36 +++++++++++++++++++++++++++++-------
 3 files changed, 32 insertions(+), 8 deletions(-)

diff --git a/include/netlink-private/types.h b/include/netlink-private/types.h
index 6d38c1a..99fea27 100644
--- a/include/netlink-private/types.h
+++ b/include/netlink-private/types.h
@@ -522,7 +522,7 @@ struct rtnl_u32
 	uint32_t		cu_link;
 	struct nl_data *	cu_pcnt;
 	struct nl_data *	cu_selector;
-	struct nl_data *	cu_act;
+	struct rtnl_act*	cu_act;
 	struct nl_data *	cu_police;
 	char			cu_indev[IFNAMSIZ];
 	int			cu_mask;
diff --git a/include/netlink/route/cls/u32.h b/include/netlink/route/cls/u32.h
index 59bed33..5d8d1ab 100644
--- a/include/netlink/route/cls/u32.h
+++ b/include/netlink/route/cls/u32.h
@@ -15,6 +15,7 @@
 #include <netlink/netlink.h>
 #include <netlink/cache.h>
 #include <netlink/route/classifier.h>
+#include <netlink/route/action.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -41,6 +42,7 @@ extern int	rtnl_u32_add_key_in_addr(struct rtnl_cls *, struct in_addr *,
 					 uint8_t, int, int);
 extern int	rtnl_u32_add_key_in6_addr(struct rtnl_cls *, struct in6_addr *,
 					  uint8_t, int, int);
+extern int	rtnl_u32_add_action(struct rtnl_cls *, struct rtnl_act *);
 
 #ifdef __cplusplus
 }
diff --git a/lib/route/cls/u32.c b/lib/route/cls/u32.c
index c468ba7..687690d 100644
--- a/lib/route/cls/u32.c
+++ b/lib/route/cls/u32.c
@@ -26,6 +26,7 @@
 #include <netlink-private/route/tc-api.h>
 #include <netlink/route/classifier.h>
 #include <netlink/route/cls/u32.h>
+#include <netlink/route/action.h>
 
 /** @cond SKIP */
 #define U32_ATTR_DIVISOR      0x001
@@ -101,10 +102,10 @@ static int u32_msg_parser(struct rtnl_tc *tc, void *data)
 	}
 
 	if (tb[TCA_U32_ACT]) {
-		u->cu_act = nl_data_alloc_attr(tb[TCA_U32_ACT]);
-		if (!u->cu_act)
-			goto errout_nomem;
 		u->cu_mask |= U32_ATTR_ACTION;
+		err = rtnl_act_parse(&u->cu_act, tb[TCA_U32_ACT]);
+		if (err)
+			return err;
 	}
 
 	if (tb[TCA_U32_POLICE]) {
@@ -154,8 +155,9 @@ static void u32_free_data(struct rtnl_tc *tc, void *data)
 {
 	struct rtnl_u32 *u = data;
 
+	if (u->cu_act)
+		rtnl_act_put_all(&u->cu_act);
 	nl_data_free(u->cu_selector);
-	nl_data_free(u->cu_act);
 	nl_data_free(u->cu_police);
 	nl_data_free(u->cu_pcnt);
 }
@@ -168,8 +170,9 @@ static int u32_clone(void *_dst, void *_src)
 	    !(dst->cu_selector = nl_data_clone(src->cu_selector)))
 		return -NLE_NOMEM;
 
-	if (src->cu_act && !(dst->cu_act = nl_data_clone(src->cu_act)))
+	if (src->cu_act && !(dst->cu_act = rtnl_act_alloc()))
 		return -NLE_NOMEM;
+	memcpy(dst->cu_act, src->cu_act, sizeof(struct rtnl_act));
 
 	if (src->cu_police && !(dst->cu_police = nl_data_clone(src->cu_police)))
 		return -NLE_NOMEM;
@@ -333,8 +336,13 @@ static int u32_msg_fill(struct rtnl_tc *tc, void *data, struct nl_msg *msg)
 	if (u->cu_mask & U32_ATTR_SELECTOR)
 		NLA_PUT_DATA(msg, TCA_U32_SEL, u->cu_selector);
 
-	if (u->cu_mask & U32_ATTR_ACTION)
-		NLA_PUT_DATA(msg, TCA_U32_ACT, u->cu_act);
+	if (u->cu_mask & U32_ATTR_ACTION) {
+		int err;
+
+		err = rtnl_act_fill(msg, TCA_U32_ACT, u->cu_act);
+		if (err)
+			return err;
+	}
 
 	if (u->cu_mask & U32_ATTR_POLICE)
 		NLA_PUT_DATA(msg, TCA_U32_POLICE, u->cu_police);
@@ -459,6 +467,20 @@ int rtnl_u32_set_cls_terminal(struct rtnl_cls *cls)
 	return 0;
 }
 
+int rtnl_u32_add_action(struct rtnl_cls *cls, struct rtnl_act *act)
+{
+	struct rtnl_u32 *u;
+
+	if (!act)
+		return 0;
+
+	if (!(u = rtnl_tc_data(TC_CAST(cls))))
+		return -NLE_NOMEM;
+
+	u->cu_mask |= U32_ATTR_ACTION;
+	return rtnl_act_append(&u->cu_act, act);
+}
+
 /** @} */
 
 /**
-- 
1.7.11.7