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Only RX side for now and small message to test the setup. In the future, we can extend it to TX side and to testing both sides with a couple of megs of data. make \ -C tools/testing/selftests \ TARGETS="drivers/hw/net" \ install INSTALL_PATH=~/tmp/ksft scp ~/tmp/ksft ${HOST}: scp ~/tmp/ksft ${PEER}: cfg+="NETIF=${DEV}\n" cfg+="LOCAL_V6=${HOST_IP}\n" cfg+="REMOTE_V6=${PEER_IP}\n" cfg+="REMOTE_TYPE=ssh\n" cfg+="REMOTE_ARGS=root@${PEER}\n" echo -e "$cfg" | ssh root@${HOST} "cat > ksft/drivers/net/net.config" ssh root@${HOST} "cd ksft && ./run_kselftest.sh -t drivers/net:devmem.py" Reviewed-by: Mina Almasry <almasrymina@google.com> Signed-off-by: Stanislav Fomichev <sdf@fomichev.me> Reviewed-by: Joe Damato <jdamato@fastly.com> Link: https://patch.msgid.link/20241107181211.3934153-13-sdf@fomichev.me Signed-off-by: Jakub Kicinski <kuba@kernel.org>
46 lines
1.2 KiB
Python
Executable File
46 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0
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from lib.py import ksft_run, ksft_exit
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from lib.py import ksft_eq, KsftSkipEx
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from lib.py import NetDrvEpEnv
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from lib.py import bkg, cmd, rand_port, wait_port_listen
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from lib.py import ksft_disruptive
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def require_devmem(cfg):
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if not hasattr(cfg, "_devmem_probed"):
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port = rand_port()
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probe_command = f"./ncdevmem -f {cfg.ifname}"
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cfg._devmem_supported = cmd(probe_command, fail=False, shell=True).ret == 0
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cfg._devmem_probed = True
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if not cfg._devmem_supported:
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raise KsftSkipEx("Test requires devmem support")
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@ksft_disruptive
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def check_rx(cfg) -> None:
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cfg.require_v6()
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require_devmem(cfg)
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port = rand_port()
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listen_cmd = f"./ncdevmem -l -f {cfg.ifname} -s {cfg.v6} -p {port}"
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with bkg(listen_cmd) as socat:
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wait_port_listen(port)
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cmd(f"echo -e \"hello\\nworld\"| socat -u - TCP6:[{cfg.v6}]:{port}", host=cfg.remote, shell=True)
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ksft_eq(socat.stdout.strip(), "hello\nworld")
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def main() -> None:
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with NetDrvEpEnv(__file__) as cfg:
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ksft_run([check_rx],
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args=(cfg, ))
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ksft_exit()
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if __name__ == "__main__":
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main()
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