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[net-next,v3,2/5] selftests: nl_netdev: add a trivial Netlink netdev test

Message ID 20240405024526.2752998-3-kuba@kernel.org (mailing list archive)
State Accepted
Commit 796c8c7fd257abe5c1e1ee22d4344123cd614f9f
Headers show
Series selftests: net: groundwork for YNL-based tests | expand

Commit Message

Jakub Kicinski April 5, 2024, 2:45 a.m. UTC 
Add a trivial test using YNL.

  $ ./tools/testing/selftests/net/nl_netdev.py
  KTAP version 1
  1..2
  ok 1 nl_netdev.empty_check
  ok 2 nl_netdev.lo_check

Instantiate the family once, it takes longer than the test itself.

Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
v2:
 - pass family as argument

CC: shuah@kernel.org
CC: linux-kselftest@vger.kernel.org
---
 tools/testing/selftests/net/Makefile     |  1 +
 tools/testing/selftests/net/nl_netdev.py | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100755 tools/testing/selftests/net/nl_netdev.py
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Patch

diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index cb418a2346bc..5e34c93aa51b 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -34,6 +34,7 @@  TEST_PROGS += gre_gso.sh
 TEST_PROGS += cmsg_so_mark.sh
 TEST_PROGS += cmsg_time.sh cmsg_ipv6.sh
 TEST_PROGS += netns-name.sh
+TEST_PROGS += nl_netdev.py
 TEST_PROGS += srv6_end_dt46_l3vpn_test.sh
 TEST_PROGS += srv6_end_dt4_l3vpn_test.sh
 TEST_PROGS += srv6_end_dt6_l3vpn_test.sh
diff --git a/tools/testing/selftests/net/nl_netdev.py b/tools/testing/selftests/net/nl_netdev.py
new file mode 100755
index 000000000000..2b8b488fb419
--- /dev/null
+++ b/tools/testing/selftests/net/nl_netdev.py
@@ -0,0 +1,24 @@ 
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0
+
+from lib.py import ksft_run, ksft_pr, ksft_eq, ksft_ge, NetdevFamily
+
+
+def empty_check(nf) -> None:
+    devs = nf.dev_get({}, dump=True)
+    ksft_ge(len(devs), 1)
+
+
+def lo_check(nf) -> None:
+    lo_info = nf.dev_get({"ifindex": 1})
+    ksft_eq(len(lo_info['xdp-features']), 0)
+    ksft_eq(len(lo_info['xdp-rx-metadata-features']), 0)
+
+
+def main() -> None:
+    nf = NetdevFamily()
+    ksft_run([empty_check, lo_check], args=(nf, ))
+
+
+if __name__ == "__main__":
+    main()