Commit 8ceeef23 authored by Stanislav Fomichev's avatar Stanislav Fomichev Committed by David S. Miller
Browse files

selftests: ncdevmem: add tx test with multiple IOVs 



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

Signed-off-by: default avatarStanislav Fomichev <stfomichev@gmail.com>
Acked-by: default avatarMina Almasry <almasrymina@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 61f24c68

tools/testing/selftests/drivers/net/hw/devmem.py

+16 −1
Original line number Diff line number Diff line
@@ -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()