From patchwork Tue Sep 3 22:15:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mohan Prasad J X-Patchwork-Id: 825444 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A232F58ABC; Wed, 4 Sep 2024 05:14:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.153.233 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725426882; cv=none; b=dHldoHGQOFXn0R3rekb0pRfsRr5ny3kLTweL1GOmjYqNrY8nzrXWy01hxIgyj23fTKAxKun4fw1wY036RZCbpQdACRgSEN2AeikZECB5Z/cJjAvCEo+z/hBMsBdFSMzDLHXjH2tUJIskNSbaymGoMPtvMFdBmuoEsflc66V8XAM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725426882; c=relaxed/simple; bh=mtlfEanAfYMSUSoIVuuAooYcKIUWTEVrlYHzkqcJItY=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=E7AZkg02qwzKmj3A6fHsgrpcmHo+QwggQ1/+5Oz3OX1eGWmc53DOqujLEbFsu5tCEaVmWkjAOQt7buKsF8ZWnU9P6Mn4hv2wvvKy6ztvooJJMtGLO6UBTzmqjaClpqQcnwDsYeRxiwEzczVSDgDRMbDgwYm4dtgcdBAlCiR/5mg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com; spf=pass smtp.mailfrom=microchip.com; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b=y/zsa4gI; arc=none smtp.client-ip=68.232.153.233 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=microchip.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="y/zsa4gI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1725426881; x=1756962881; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=mtlfEanAfYMSUSoIVuuAooYcKIUWTEVrlYHzkqcJItY=; b=y/zsa4gIm7e7gycScKUWF3MqR8hhqVM5MxfbBa7+sMGm+g5cRG3n1oWu CzKQusNuiMgOI5UkpGjSLzFJ6ke0eEEam0qRywtwJ0Dqitnrh/YgyERbu znamgPKrDF+4ShXcju80IH6mAMw9dEDO+PkQws9LxWSsDSt2XKBv8/BI8 iEY7xQIeyGBrQ/kzYDCk6DzcWW/owfcPRkIcLLF5DHP1SncBjaclzV7cv podzGnAeN1I1iohCLD/ufYk4GVYy6NkoyZC+pHBnFpgSe8NoTy1uIvb+F vu9+TftAEDG4YQ8twam0/VdsqBqq0Fg5gfpMJfyU5+gmbwusgawMVHkQk Q==; X-CSE-ConnectionGUID: tj+/ggMhS4S42i0wyHIlFg== X-CSE-MsgGUID: tLL4u5EjSTaBoGqPeJnSvA== X-IronPort-AV: E=Sophos;i="6.10,200,1719903600"; d="scan'208";a="31271671" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa3.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 03 Sep 2024 22:14:40 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Tue, 3 Sep 2024 22:14:20 -0700 Received: from nisar-OptiPlex-9020.microchip.com (10.10.85.11) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Tue, 3 Sep 2024 22:14:15 -0700 From: Mohan Prasad J To: , , CC: , , , , , , , , , , Subject: [PATCH net-next 1/3] selftests: lan743x: Add testfile for lan743x network driver Date: Wed, 4 Sep 2024 03:45:47 +0530 Message-ID: <20240903221549.1215842-2-mohan.prasad@microchip.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240903221549.1215842-1-mohan.prasad@microchip.com> References: <20240903221549.1215842-1-mohan.prasad@microchip.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add testfile for lan743x network driver. Testfile includes the verification of status of autonegotiation. Ksft modules and ethtool are used for the testing. net/lib libraries are included for testing. Add the __init__.py file. Include /microchip/lan743x as a target in Makefile. Updated MAINTAINERS list. Signed-off-by: Mohan Prasad J --- MAINTAINERS | 2 + tools/testing/selftests/Makefile | 2 +- .../drivers/net/hw/microchip/lan743x/Makefile | 7 +++ .../net/hw/microchip/lan743x/lan743x.py | 51 +++++++++++++++++++ .../hw/microchip/lan743x/lib/py/__init__.py | 16 ++++++ 5 files changed, 77 insertions(+), 1 deletion(-) create mode 100644 tools/testing/selftests/drivers/net/hw/microchip/lan743x/Makefile create mode 100755 tools/testing/selftests/drivers/net/hw/microchip/lan743x/lan743x.py create mode 100644 tools/testing/selftests/drivers/net/hw/microchip/lan743x/lib/py/__init__.py diff --git a/MAINTAINERS b/MAINTAINERS index baf88e74c..461f94ae0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14960,10 +14960,12 @@ F: net/dsa/tag_ksz.c MICROCHIP LAN743X ETHERNET DRIVER M: Bryan Whitehead +M: Mohan Prasad J M: UNGLinuxDriver@microchip.com L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/microchip/lan743x_* +F: tools/testing/selftests/drivers/net/hw/microchip/lan743x/ MICROCHIP LAN87xx/LAN937x T1 PHY DRIVER M: Arun Ramadoss diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index a5f1c0c27..8059529c9 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -122,7 +122,7 @@ TARGETS_HOTPLUG = cpu-hotplug TARGETS_HOTPLUG += memory-hotplug # Networking tests want the net/lib target, include it automatically -ifneq ($(filter net drivers/net drivers/net/hw,$(TARGETS)),) +ifneq ($(filter net drivers/net drivers/net/hw drivers/net/hw/microchip/lan743x,$(TARGETS)),) ifeq ($(filter net/lib,$(TARGETS)),) INSTALL_DEP_TARGETS := net/lib endif diff --git a/tools/testing/selftests/drivers/net/hw/microchip/lan743x/Makefile b/tools/testing/selftests/drivers/net/hw/microchip/lan743x/Makefile new file mode 100644 index 000000000..542128678 --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/microchip/lan743x/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0 + +TEST_INCLUDES := $(wildcard lib/py/*.py ../../../lib/py/*.py) + +TEST_PROGS := lan743x.py + +include ../../../../../lib.mk diff --git a/tools/testing/selftests/drivers/net/hw/microchip/lan743x/lan743x.py b/tools/testing/selftests/drivers/net/hw/microchip/lan743x/lan743x.py new file mode 100755 index 000000000..f1ad97dc2 --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/microchip/lan743x/lan743x.py @@ -0,0 +1,51 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 + +import time +import re +from lib.py import ksft_run, ksft_exit, ksft_pr, ksft_eq +from lib.py import KsftFailEx, KsftSkipEx +from lib.py import NetDrvEpEnv +from lib.py import cmd +from lib.py import ethtool + +def verify_link_up(ifname: str) -> None: + """Verify whether the link is up initially""" + with open(f"/sys/class/net/{ifname}/operstate", "r") as fp: + link_state = fp.read().strip() + + if link_state == "down": + raise KsftSkipEx(f"Link state of interface {ifname} is DOWN") + +def set_autonegotiation_state(ifname: str, state: str) -> None: + """Set the autonegotiation state for the interface""" + process = ethtool(f"-s {ifname} speed 10 duplex half autoneg {state}") + if process.ret != 0: + raise KsftFailEx(f"Not able to set autoneg parameter for {ifname}") + ksft_pr(f"Autoneg set as {state} for {ifname}") + +def verify_autonegotiation(ifname: str, expected_state: str) -> None: + verify_link_up(ifname) + """Verifying the autonegotiation state""" + output = ethtool(f"{ifname}") + autoneg_match = re.search(r'Auto-negotiation:\s+(\w+)', output.stdout) + + if not autoneg_match: + raise KsftFailEx("Failed to find autonegotiation information in ethtool output.") + + actual_state = autoneg_match.group(1) + ksft_eq(actual_state, expected_state) + +def test_autonegotiation(cfg) -> None: + for state in ["off", "on"]: + set_autonegotiation_state(cfg.ifname, state) + time.sleep(5) + verify_autonegotiation(cfg.ifname, state) + +def main() -> None: + with NetDrvEpEnv(__file__) as cfg: + ksft_run(globs=globals(), case_pfx={"test_"}, args=(cfg,)) + ksft_exit() + +if __name__ == "__main__": + main() diff --git a/tools/testing/selftests/drivers/net/hw/microchip/lan743x/lib/py/__init__.py b/tools/testing/selftests/drivers/net/hw/microchip/lan743x/lib/py/__init__.py new file mode 100644 index 000000000..e571631af --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/microchip/lan743x/lib/py/__init__.py @@ -0,0 +1,16 @@ +# SPDX-License-Identifier: GPL-2.0 + +import sys +from pathlib import Path + +KSFT_DIR = (Path(__file__).parent / "../../../../../../..").resolve() + +try: + sys.path.append(KSFT_DIR.as_posix()) + from net.lib.py import * + from drivers.net.lib.py import * +except ModuleNotFoundError as e: + ksft_pr("Failed importing `net` library from kernel sources") + ksft_pr(str(e)) + ktap_result(True, comment="SKIP") + sys.exit(4)