tests: check decoding of rtnetlink route messages

* tests/netlink_route.c: Include <linux/ip.h>.
(test_rtnl_route): 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 872c236d42de46521938608e0bfece306b417185..ff68579bbea67276b67c60707362676c5525ec32 100644 (file)
--- a/tests/netlink_route.c
+++ b/tests/netlink_route.c
@@ -36,6 +36,7 @@
 # include <linux/if_addr.h>
 #endif
 #include <linux/if_arp.h>
+#include <linux/ip.h>
 #include <linux/rtnetlink.h>
 
 #ifdef HAVE_IF_INDEXTONAME
@@ -234,6 +235,34 @@ test_rtnl_addr(const int fd)
                      printf("}"));
 }
 
+static void
+test_rtnl_route(const int fd)
+{
+       void *const nlh0 = tail_alloc(NLMSG_HDRLEN);
+       static const struct rtmsg msg = {
+               .rtm_family = AF_UNIX,
+               .rtm_dst_len = 0xaf,
+               .rtm_src_len = 0xda,
+               .rtm_tos = IPTOS_LOWDELAY,
+               .rtm_table = RT_TABLE_DEFAULT,
+               .rtm_protocol = RTPROT_KERNEL,
+               .rtm_scope = RT_SCOPE_UNIVERSE,
+               .rtm_type = RTN_LOCAL,
+               .rtm_flags = RTM_F_NOTIFY
+       };
+
+       TEST_NL_ROUTE(fd, nlh0, RTM_GETROUTE, msg,
+                     printf("{rtm_family=AF_UNIX"),
+                     PRINT_FIELD_U(", ", msg, rtm_dst_len);
+                     PRINT_FIELD_U(", ", msg, rtm_src_len);
+                     printf(", rtm_tos=IPTOS_LOWDELAY"
+                            ", rtm_table=RT_TABLE_DEFAULT"
+                            ", rtm_protocol=RTPROT_KERNEL"
+                            ", rtm_scope=RT_SCOPE_UNIVERSE"
+                            ", rtm_type=RTN_LOCAL"
+                            ", rtm_flags=RTM_F_NOTIFY}"));
+}
+
 int main(void)
 {
        skip_if_unavailable("/proc/self/fd/");
@@ -246,6 +275,7 @@ int main(void)
        test_rtnl_unspec(fd);
        test_rtnl_link(fd);
        test_rtnl_addr(fd);
+       test_rtnl_route(fd);
 
        printf("+++ exited with 0 +++\n");