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#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0
from lib.py import ksft_run, ksft_exit
from lib.py import ksft_eq, KsftSkipEx
from lib.py import NetDrvEpEnv
from lib.py import bkg, cmd, rand_port, wait_port_listen
from lib.py import ksft_disruptive
def require_devmem(cfg):
if not hasattr(cfg, "_devmem_probed"):
port = rand_port()
probe_command = f"./ncdevmem -f {cfg.ifname}"
cfg._devmem_supported = cmd(probe_command, fail=False, shell=True).ret == 0
cfg._devmem_probed = True
if not cfg._devmem_supported:
raise KsftSkipEx("Test requires devmem support")
@ksft_disruptive
def check_rx(cfg) -> None:
cfg.require_v6()
require_devmem(cfg)
port = rand_port()
listen_cmd = f"./ncdevmem -l -f {cfg.ifname} -s {cfg.v6} -p {port}"
with bkg(listen_cmd) as socat:
wait_port_listen(port)
cmd(f"echo -e \"hello\\nworld\"| socat -u - TCP6:[{cfg.v6}]:{port}", host=cfg.remote, shell=True)
ksft_eq(socat.stdout.strip(), "hello\nworld")
def main() -> None:
with NetDrvEpEnv(__file__) as cfg:
ksft_run([check_rx],
args=(cfg, ))
ksft_exit()
if __name__ == "__main__":
main()
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