From 8ceeef23a3a7b077caa98be713c09a4cdfbd018f Mon Sep 17 00:00:00 2001 From: Stanislav Fomichev Date: Tue, 20 May 2025 13:30:44 -0700 Subject: [PATCH] selftests: ncdevmem: add tx test with multiple IOVs Use prime 3 for length to make offset slowly drift away. Signed-off-by: Stanislav Fomichev Acked-by: Mina Almasry Signed-off-by: David S. Miller --- .../testing/selftests/drivers/net/hw/devmem.py | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/drivers/net/hw/devmem.py b/tools/testing/selftests/drivers/net/hw/devmem.py index 7fc686cf47a2..d7f6a76eb2b7 100755 --- a/tools/testing/selftests/drivers/net/hw/devmem.py +++ b/tools/testing/selftests/drivers/net/hw/devmem.py @@ -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() -- 2.50.1