[PATCH 07/26] tests: check decoding of rtnetlink rule messages

[JingPiao Chen]

* tests/netlink_route.c: Include <linux/fib_rules.h>.
(test_rtnl_rule): New function.
(main): Use it.

Co-authored-by: Fabien Siron <fabien.siron at epita.fr>
---
 tests/netlink_route.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/tests/netlink_route.c b/tests/netlink_route.c
index cd10df3..0c62584 100644
--- a/tests/netlink_route.c
+++ b/tests/netlink_route.c
@@ -32,6 +32,9 @@
 #include <unistd.h>
 #include <sys/socket.h>
 #include "test_netlink.h"
+#ifdef HAVE_LINUX_FIB_RULES_H
+# include <linux/fib_rules.h>
+#endif
 #ifdef HAVE_LINUX_IF_ADDR_H
 # include <linux/if_addr.h>
 #endif
@@ -263,6 +266,30 @@ test_rtnl_route(const int fd)
 			     ", rtm_flags=RTM_F_NOTIFY}"));
 }
 
+#ifdef HAVE_STRUCT_FIB_RULE_HDR
+static void
+test_rtnl_rule(const int fd)
+{
+	void *const nlh0 = tail_alloc(NLMSG_HDRLEN);
+	struct fib_rule_hdr frh = {
+		.family = AF_UNIX,
+		.dst_len = 0xaf,
+		.src_len = 0xda,
+		.tos = IPTOS_LOWDELAY,
+		.action = FR_ACT_TO_TBL,
+		.flags = FIB_RULE_INVERT
+	};
+
+	TEST_NL_ROUTE(fd, nlh0, RTM_GETRULE, frh,
+		      printf("{family=AF_UNIX"),
+		      PRINT_FIELD_U(", ", frh, dst_len);
+		      PRINT_FIELD_U(", ", frh, src_len);
+		      printf(", tos=IPTOS_LOWDELAY"
+			     ", action=FR_ACT_TO_TBL"
+			     ", flags=FIB_RULE_INVERT}"));
+}
+#endif
+
 int main(void)
 {
 	skip_if_unavailable("/proc/self/fd/");
@@ -276,6 +303,9 @@ int main(void)
 	test_rtnl_link(fd);
 	test_rtnl_addr(fd);
 	test_rtnl_route(fd);
+#ifdef HAVE_STRUCT_FIB_RULE_HDR
+	test_rtnl_rule(fd);
+#endif
 
 	printf("+++ exited with 0 +++\n");
 
-- 
2.7.4