From patchwork Wed Oct 23 15:44:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislav Fomichev X-Patchwork-Id: 13847352 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4599F1CF29B; Wed, 23 Oct 2024 15:44:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729698259; cv=none; b=m2XQldZQcbgUR89mMX6CuBh1/82OczMMqJjCANgP0n+6m3GMZQrhZjhFn3EFNVopJfBW2Xce8KjGkTICojurndMfrd5Th9739PSpRXAh3ntBz6imlP3vGaMSTtvnxIgpQSm5cRgcdJByeOXqr5bs6ND1RQ/vx1v7MA0RqKM3P9s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729698259; c=relaxed/simple; bh=k3NksgKMGGwSiQjqqQDiIoWxu2o4MtjaGnPwO3kHGQE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=R3r2u7aeQf61NhFf3dRv537Uj4Cq0oCcN7OgMswKvpIu4DfoXqVb0FjTX1ehPIv7MmJzgZsQTcrCg/LPiJONNuHlBm5JCBPBC4rcsBe5vxKqryalZtiZ0vshneaNACPN3MeVWDgRQCQFnidXYkiLaZdvjuuRT56nkfO1igZai9k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fomichev.me; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.214.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fomichev.me Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-20c6f492d2dso81004595ad.0; Wed, 23 Oct 2024 08:44:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729698257; x=1730303057; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=X3YqyV0YwGuilWF+8lpqEcTlB/FpyMoTdw0SNw6nZVo=; b=NDX9XE9CFSH16J/AwLJa6RmvNVaM3WuWVNaOYcO4t6n1rCioKBQin5NZwkNRmq3QUp 5Uhtns9r9HZJc+6l+Vte9dNjEgxn9tYqfQrGOKwgFZ5tePvL1Ff2l9Pe1VAdbJncvIIg XmcNjmMaH2ElqjIWM1Ma8iK8175xAtB93D/Xd2AJgaUASldymPLNyQhOcxR+Oe0J6jN8 YsY8B8RRpXhjvaxQDqrUc0ks+usdmhEpi6HRpmYrZjT4x4ZOZmEzAG8gVZEu0XAhSXdb EkIFdnDsi5dZiGOImRLHAQpIsEGeisp1P+56j0d6kfVPFbzgD0YRWBbgZ3/39JnS6NHH 1GbA== X-Forwarded-Encrypted: i=1; AJvYcCUm4S9CGv4fzPM/yCUF4FxO2xItvuaWOXNoQ+qUUcYOiKtDGUgCroIiL2LgSAh3nWOyG2mhs+Mmqq4JgELGHOGW@vger.kernel.org, AJvYcCVbOe21gStxYkEXzezx/NsCRRiN5oSJMZGB8nWscKJZmsy+vB6Gt/rPu0NPDsw2hIQ3xbrDhpfcGA014hs=@vger.kernel.org X-Gm-Message-State: AOJu0YyWXzXex5UBDx6b75IUHhwJhY5vyNPGMEOXgNmEMN8C/tlyZNKv nzgSoe3MvfkrE7wQ6MvHmgX7QUL0F1Ct/3j6N4Z8gseKoSPHPVIhP1KVsT0= X-Google-Smtp-Source: AGHT+IG5tIKpYeuEz6ZLsiWpOGSrUCthd3VQ2flnhUoELbeYmk26pijtnqS/JXJt/3edd7064c+NAA== X-Received: by 2002:a17:902:ce86:b0:20b:58f2:e1a0 with SMTP id d9443c01a7336-20fa9e246e0mr30293045ad.18.1729698257223; Wed, 23 Oct 2024 08:44:17 -0700 (PDT) Received: from localhost ([2601:646:9e00:f56e:123b:cea3:439a:b3e3]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20e7f0bcb75sm59576405ad.176.2024.10.23.08.44.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2024 08:44:16 -0700 (PDT) From: Stanislav Fomichev To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, andrew+netdev@lunn.ch, shuah@kernel.org, almasrymina@google.com, sdf@fomichev.me, willemb@google.com, petrm@nvidia.com Subject: [PATCH net-next v5 12/12] selftests: ncdevmem: Add automated test Date: Wed, 23 Oct 2024 08:44:02 -0700 Message-ID: <20241023154402.441510-13-sdf@fomichev.me> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241023154402.441510-1-sdf@fomichev.me> References: <20241023154402.441510-1-sdf@fomichev.me> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org 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 Signed-off-by: Stanislav Fomichev --- .../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 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..1416c31ff81e --- /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 nc: + wait_port_listen(port) + cmd(f"echo -e \"hello\\nworld\"| nc {cfg.v6} {port}", host=cfg.remote, shell=True) + + ksft_eq(nc.stdout.strip(), "hello\nworld") + + +def main() -> None: + with NetDrvEpEnv(__file__) as cfg: + ksft_run([check_rx], + args=(cfg, )) + ksft_exit() + + +if __name__ == "__main__": + main()