[PATCH 11/26] tests: check decoding of rtnetlink neightbl messages

[JingPiao Chen]

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

Co-authored-by: Fabien Siron <fabien.siron at epita.fr>
---
 tests/netlink_route.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/tests/netlink_route.c b/tests/netlink_route.c
index 3aba2a0..53f1242 100644
--- a/tests/netlink_route.c
+++ b/tests/netlink_route.c
@@ -40,6 +40,9 @@
 #endif
 #include <linux/if_arp.h>
 #include <linux/ip.h>
+#ifdef HAVE_LINUX_NEIGHBOUR_H
+# include <linux/neighbour.h>
+#endif
 #include <linux/rtnetlink.h>
 
 #ifdef HAVE_IF_INDEXTONAME
@@ -310,6 +313,20 @@ test_rtnl_neigh(const int fd)
 			     ", ndm_type=NDA_UNSPEC}"));
 }
 
+static void
+test_rtnl_neightbl(const int fd)
+{
+	void *const nlh0 = tail_alloc(NLMSG_HDRLEN);
+	static const struct ndtmsg msg = {
+		.ndtm_family = AF_NETLINK
+	};
+
+	TEST_NETLINK(fd, nlh0,
+		     RTM_GETNEIGHTBL, NLM_F_REQUEST,
+		     sizeof(msg), &msg, sizeof(msg),
+		     printf("{ndtm_family=AF_NETLINK}"));
+}
+
 int main(void)
 {
 	skip_if_unavailable("/proc/self/fd/");
@@ -327,6 +344,7 @@ int main(void)
 	test_rtnl_rule(fd);
 #endif
 	test_rtnl_neigh(fd);
+	test_rtnl_neightbl(fd);
 
 	printf("+++ exited with 0 +++\n");
 
-- 
2.7.4