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 0B7012E1746 for ; Sat, 7 Mar 2026 03:36:47 +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=1772854607; cv=none; b=gd8ea9yi/ovrrcnq7f6QNxtDlBajnN7qm2vOP0CjzhwewtXsxTDGsVeG8C84nxlI/xrgtWuM+FzGsefkjGWEnWNJOF976ssoX8YQ1c17BR3PoWUInk2pp6v2WGX4eueZYnV4G93sHCGe9LMn2krmdt2YDiU4F6UnWiIjPbFgSa8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772854607; c=relaxed/simple; bh=1InCZu+kc1AamPHq6yrua+gyD4YzjwNoKmEqQ9wZlDU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Uwh9oUD8O521NUPCv7CHeKuQUMeGSxbcHhwyi4NDcbu+6SbKHfDq5G1O7JfhEcrvs3dLIUy0SfOjhOyhec7EanTOUAwk0QsVdyzfcXKn2qXHFf59VUPMZjWdPovzx8fZHErQYUWdOEA7AMJafl7iVfeAScL/9xFrTZpHTdNoc+M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=g94a7Sot; 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="g94a7Sot" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B76EC19423; Sat, 7 Mar 2026 03:36:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772854606; bh=1InCZu+kc1AamPHq6yrua+gyD4YzjwNoKmEqQ9wZlDU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=g94a7SotJwluugQvgDVeFrgbMXDebzKSxBYYI9nGdLB7YeTDgNQPPO5OlNxSBo/3X fjOwKZpHWAVn/om7HwGazJMQuQLKekrA3AyvEOH1JwsAYgvStSwZ4SGs3d73uYAxH0 /jEbqkUoqgXypdReQT7RK4c+N8tUZqAcZ3y7qBIBT9ESECUkiWlznNdSoGHIi7N5R/ 3vbS4LyEKurAbfVg3tcgocEBrIGL5PmwCO9mTXNp/N42dyYCc5imy+YCf6dlOku2G8 cQ6r11U7BHboreV/OXd3uPgdAyWM/3dlA/UYOHNp2eDqBJzyeRjqKYljsJrbpcEQTw rCT/6TssVr+OQ== 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 v2 06/10] tools: ynl: add netdevsim wrapper library for YNL tests Date: Fri, 6 Mar 2026 19:36:26 -0800 Message-ID: <20260307033630.1396085-7-kuba@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260307033630.1396085-1-kuba@kernel.org> References: <20260307033630.1396085-1-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. Reviewed-by: Donald Hunter 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