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selftests: ncdevmem: add tx test with multiple IOVs

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Use prime 3 for length to make offset slowly drift away.

Signed-off-by: Stanislav Fomichev <stfomichev@gmail.com>
Acked-by: Mina Almasry <almasrymina@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stanislav Fomichev
2025-05-20 13:30:44 -07:00
committed by David S. Miller
parent 61f24c6885
commit 8ceeef23a3
1 changed files with 16 additions and 1 deletions
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17
tools/testing/selftests/drivers/net/hw/devmem.py
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@@ -49,12 +49,27 @@ def check_tx(cfg) -> None:
ksft_eq(socat.stdout.strip(), "hello\nworld")
@ksft_disruptive
def check_tx_chunks(cfg) -> None:
cfg.require_ipver("6")
require_devmem(cfg)
port = rand_port()
listen_cmd = f"socat -U - TCP6-LISTEN:{port}"
with bkg(listen_cmd, exit_wait=True) as socat:
wait_port_listen(port)
cmd(f"echo -e \"hello\\nworld\"| {cfg.bin_remote} -f {cfg.ifname} -s {cfg.addr_v['6']} -p {port} -z 3", host=cfg.remote, shell=True)
ksft_eq(socat.stdout.strip(), "hello\nworld")
def main() -> None:
with NetDrvEpEnv(__file__) as cfg:
cfg.bin_local = path.abspath(path.dirname(__file__) + "/ncdevmem")
cfg.bin_remote = cfg.remote.deploy(cfg.bin_local)
ksft_run([check_rx, check_tx],
ksft_run([check_rx, check_tx, check_tx_chunks],
args=(cfg, ))
ksft_exit()