Message ID | 20241107181211.3934153-13-sdf@fomichev.me (mailing list archive) |
---|---|
State | New |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | selftests: ncdevmem: Add ncdevmem to ksft | expand |
On Thu, Nov 07, 2024 at 10:12:11AM -0800, Stanislav Fomichev wrote: > 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> > --- > .../testing/selftests/drivers/net/hw/Makefile | 1 + > .../selftests/drivers/net/hw/devmem.py | 45 +++++++++++++++++++ > 2 files changed, 46 insertions(+) > create mode 100755 tools/testing/selftests/drivers/net/hw/devmem.py I'm not a python expert, but the changes make sense to me. Reviewed-by: Joe Damato <jdamato@fastly.com>
diff --git a/tools/testing/selftests/drivers/net/hw/Makefile b/tools/testing/selftests/drivers/net/hw/Makefile index 182348f4bd40..1c6a77480923 100644 --- a/tools/testing/selftests/drivers/net/hw/Makefile +++ b/tools/testing/selftests/drivers/net/hw/Makefile @@ -3,6 +3,7 @@ TEST_PROGS = \ csum.py \ devlink_port_split.py \ + devmem.py \ ethtool.sh \ ethtool_extended_state.sh \ ethtool_mm.sh \ diff --git a/tools/testing/selftests/drivers/net/hw/devmem.py b/tools/testing/selftests/drivers/net/hw/devmem.py new file mode 100755 index 000000000000..1223f0f5c10c --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/devmem.py @@ -0,0 +1,45 @@ +#!/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()