libteam: Add team_get_port_enabled function

This function corresponds to team_set_port_enabled.
With this function, it is able to get the enabled state for port
identified by port_ifindex.

Signed-off-by: Shuotian Cheng <[email protected]>
Signed-off-by: Jiri Pirko <[email protected]>

Author: stcheng

include/team.h

@@ -68,6 +68,8 @@ int team_get_bpf_hash_func(struct team_handle *th, struct sock_fprog *fp);
 int team_set_bpf_hash_func(struct team_handle *th, const struct sock_fprog *fp);
 int team_set_port_enabled(struct team_handle *th,
 			  uint32_t port_ifindex, bool val);
+int team_get_port_enabled(struct team_handle *th,
+			  uint32_t port_ifindex, bool *enabled);
 int team_set_port_user_linkup_enabled(struct team_handle *th,
 				      uint32_t port_ifindex, bool val);
 int team_get_port_user_linkup(struct team_handle *th,

libteam/libteam.c

@@ -1338,6 +1338,28 @@ int team_set_port_enabled(struct team_handle *th,
 	return team_set_option_value_bool(th, option, val);
 }
 
+/**
+ * @param th		libteam library context
+ * @param port_ifindex	port interface index
+ * @param enabled	where the enabled state will be stored
+ *
+ * @details Gets enabled state for port identified by port_ifindex
+ *
+ * @return Zero on success or negative number in case of an error.
+ **/
+TEAM_EXPORT
+int team_get_port_enabled(struct team_handle *th,
+			  uint32_t port_ifindex, bool *enabled)
+{
+	struct team_option *option;
+
+	option = team_get_option(th, "np", "enabled", port_ifindex);
+	if (!option)
+		return -ENOENT;
+	*enabled = team_get_option_value_bool(option);
+	return 0;
+}
+
 /**
  * @param th		libteam library context
  * @param port_ifindex	port interface index