tests: check decoding of rtnetlink tc messages

* tests/netlink_route.c (test_rtnl_tc): New function.
(main): Use it.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>

diff --git a/tests/netlink_route.c b/tests/netlink_route.c
index 929902a065c712bab8b953966dacaacd53d187c7..887e904fa6e5b397bdaa76f39264ac2819bc7309 100644 (file)
--- a/tests/netlink_route.c
+++ b/tests/netlink_route.c
@@ -330,6 +330,27 @@ test_rtnl_neightbl(const int fd)
                     printf("{ndtm_family=AF_NETLINK}"));
 }
 
+static void
+test_rtnl_tc(const int fd)
+{
+       void *const nlh0 = tail_alloc(NLMSG_HDRLEN);
+       const struct tcmsg msg = {
+               .tcm_family = AF_UNIX,
+               .tcm_ifindex = IFINDEX_LO,
+               .tcm_handle = 0xfadcdafb,
+               .tcm_parent = 0xafbcadab,
+               .tcm_info = 0xbcaedafa
+       };
+
+       TEST_NL_ROUTE(fd, nlh0, RTM_GETQDISC, msg,
+                     printf("{tcm_family=AF_UNIX"),
+                     printf(", tcm_ifindex=if_nametoindex(\"lo\")");
+                     PRINT_FIELD_U(", ", msg, tcm_handle);
+                     PRINT_FIELD_U(", ", msg, tcm_parent);
+                     PRINT_FIELD_U(", ", msg, tcm_info);
+                     printf("}"));
+}
+
 int main(void)
 {
        skip_if_unavailable("/proc/self/fd/");
@@ -348,6 +369,7 @@ int main(void)
 #endif
        test_rtnl_neigh(fd);
        test_rtnl_neightbl(fd);
+       test_rtnl_tc(fd);
 
        printf("+++ exited with 0 +++\n");