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selftests: nl_netdev: add a trivial Netlink netdev test

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2024-04-04 19:45:23 -07:00 committed by David S. Miller
parent b86761ff63
commit 796c8c7fd2
2 changed files with 25 additions and 0 deletions
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1
tools/testing/selftests/net/Makefile
View File

@ -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

24
tools/testing/selftests/net/nl_netdev.py Executable file
View File

@ -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()