From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 CABA51E0DE8 for ; Fri, 6 Mar 2026 02:09:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772762964; cv=none; b=ie2c2AWpJoi9yrxA37O5pzvn2U4/HjstaJCQuENjlTVG++7YTnfATEBXNOIIORG8GpXuI3VyyWMg1z1iY4OFIgOAx3HTjRM0Lx/Vjrmfp8pLxaSuEPVB/6rUwRdkHfKykDpzrpkPx7FhU+kCf6weWgeRGzvGloR4ymZrH0Z9vnY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772762964; c=relaxed/simple; bh=i6KUEBKrDj2yL6CljyajpmvFtlmgMT6hKU5ncdj1Sog=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HBIDoNzizoN7Rg+9ZkIjsdrP8K3wUUJGvfhVocQKHAGQfTSZw5WST6PcFy6sp8qOC7iXyGRHAYmhW5CrFLa4p2iYhvxzPgR8nKMnK9vlZF0a1v3Wm0fzkuFKCNihYEzBEfUtjIxzG47vUTQyf63FUEKX0DebJoEED4CrVD5UmJg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=COQjmoVF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="COQjmoVF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3BA22C2BC9E; Fri, 6 Mar 2026 02:09:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772762964; bh=i6KUEBKrDj2yL6CljyajpmvFtlmgMT6hKU5ncdj1Sog=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=COQjmoVFizMspCM+FcIt4jGa2xcOK/mVs29N54smGFruNaBk9dmfu1N0clpD5vN7g 1QFmjLInS4PHFe5KzOiK+8u1gNFLPH+TOPdkeNvj8O2taDZ47Sx4XNQr8FNLxQ6UKS s32+76hn/kc2TnI4axFbgkOOVGWXWDFxwOfuht+cew8qDhLKmpdIImfgnrDuwwgU2+ qkaCpomdOrC84u5VE05hetO2mWzFEWCYTCiqhFqPsFk6bPXpGJCMrYzc7PR/HB4FsV ONtMMrzmlrDd5bmjzOWwsviKctTAnIhspePfzZUe7hvTWL9/yDUS5lMAMk7CsSXkds Sh2Ldw5VEPzYg== From: Jakub Kicinski To: davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, donald.hunter@gmail.com, liuhangbin@gmail.com, matttbe@kernel.org, Jakub Kicinski Subject: [PATCH net-next 06/10] tools: ynl: add netdevsim wrapper library for YNL tests Date: Thu, 5 Mar 2026 18:08:57 -0800 Message-ID: <20260306020901.524105-7-kuba@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260306020901.524105-1-kuba@kernel.org> References: <20260306020901.524105-1-kuba@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Some tests need netdevsim setup which is painful to do from C. Add ynl_nsim_lib.sh, a shared library providing nsim_setup and nsim_cleanup functions for tests that need a netdevsim device. Signed-off-by: Jakub Kicinski --- tools/net/ynl/tests/Makefile | 5 +++++ tools/net/ynl/tests/ynl_nsim_lib.sh | 35 +++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+) create mode 100644 tools/net/ynl/tests/ynl_nsim_lib.sh diff --git a/tools/net/ynl/tests/Makefile b/tools/net/ynl/tests/Makefile index 524092a8de7e..a329de031add 100644 --- a/tools/net/ynl/tests/Makefile +++ b/tools/net/ynl/tests/Makefile @@ -32,6 +32,8 @@ BINS := \ rt-route \ # end of BINS +TEST_FILES := ynl_nsim_lib.sh + CFLAGS_netdev:=$(CFLAGS_netdev) $(CFLAGS_rt-link) CFLAGS_ovs:=$(CFLAGS_ovs_datapath) @@ -68,6 +70,9 @@ install: $(TEST_GEN_PROGS) $(BINS) $$test > $(INSTALL_PATH)/ynl/$$name; \ chmod +x $(INSTALL_PATH)/ynl/$$name; \ done + @for file in $(TEST_FILES); do \ + cp $$file $(INSTALL_PATH)/ynl/$$file; \ + done @for bin in $(TEST_GEN_PROGS) $(BINS); do \ cp $$bin $(INSTALL_PATH)/ynl/$$bin; \ done diff --git a/tools/net/ynl/tests/ynl_nsim_lib.sh b/tools/net/ynl/tests/ynl_nsim_lib.sh new file mode 100644 index 000000000000..98cdce44a69c --- /dev/null +++ b/tools/net/ynl/tests/ynl_nsim_lib.sh @@ -0,0 +1,35 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Shared netdevsim setup/cleanup for YNL C test wrappers + +NSIM_ID="1337" +NSIM_DEV="" +KSFT_SKIP=4 + +nsim_cleanup() { + echo "$NSIM_ID" > /sys/bus/netdevsim/del_device 2>/dev/null || true +} + +nsim_setup() { + modprobe netdevsim 2>/dev/null + if ! [ -f /sys/bus/netdevsim/new_device ]; then + echo "netdevsim module not available, skipping" >&2 + exit "$KSFT_SKIP" + fi + + trap nsim_cleanup EXIT + + echo "$NSIM_ID 1" > /sys/bus/netdevsim/new_device + udevadm settle + + NSIM_DEV=$(ls /sys/bus/netdevsim/devices/netdevsim${NSIM_ID}/net 2>/dev/null | head -1) + if [ -z "$NSIM_DEV" ]; then + echo "failed to find netdevsim device" >&2 + exit 1 + fi + + ip link set dev "$NSIM_DEV" name nsim0 + ip link set dev nsim0 up + ip addr add 192.168.1.1/24 dev nsim0 + ip addr add 2001:db8::1/64 dev nsim0 nodad +} -- 2.53.0