From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f53.google.com (mail-ed1-f53.google.com [209.85.208.53]) (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 3B56C272E61 for ; Wed, 25 Mar 2026 01:44:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774403063; cv=none; b=hYTG5q0y14bg70h/mrzbVAnb+LhZ11x9YURHcv+NW4Se+0eE25ZRQCUGHGspZIJlhXZ/ptfomGKdU+o6r3ubTIzfy/7EFUBl/Jm2NNGbWUWSjIbEqi76HTLzHwKdxsCULi4eoA4cT9mMRjTyHS/3+G8x7bYT1d0WnSQTkk+GdqQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774403063; c=relaxed/simple; bh=576MJS9EDhNf7+XHS+Xt78KQm6PiKqmAjAB1dJ1OtlI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=JhXHY3WFpBn0YO0E7EUB1sdF/TpV1TtsFCWWZ2GLlZeZ3dycVN6eJrHCO+ecs27QP0w0LRdpmuVVJ1beSHZVipujAzFuJQryvmisjHghfyV/4aQrchn15e2FouBCZFEgbOfacinZ5W/51Ge+56dLhFtgockjeT3vqPE+Vg5jbEE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=cLt2Guxm; arc=none smtp.client-ip=209.85.208.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cLt2Guxm" Received: by mail-ed1-f53.google.com with SMTP id 4fb4d7f45d1cf-661d20c9787so2818676a12.0 for ; Tue, 24 Mar 2026 18:44:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1774403060; x=1775007860; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=dnFsogw3+Zpl0Is4+Zoa7M6DndwQbNQ16wLAr1kyBQQ=; b=cLt2GuxmvwrwSHxfpdB6hJjute09Lzh64bAROwoSzLgMNvvj/wygKzGNXex+peSNat DHRj/WEqwSEQJeBuwEfJk3E+gF6am835P0uWC+YbYigf25g0agTD+XuFQ3zJyi86QLCD ZZcpYQqBaGb6dAkN80jEgzOlkXT8PyA6SgnADWxZnBaW9i3cFZ7g49dTOxB0MDvpfirJ wJVZugLodNgmRhXAad0PT9T0XHk6no052MQsFfAKXzXKNlFlf12zFJ+YCp/KlPy2pZr3 fHgvAQpr3VWDTru8VrRU5e5qhM7TwAVuiMFZLoJLXv2lWuJ9OZXstzTTW5/jBl5iDwbZ O+zg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774403060; x=1775007860; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=dnFsogw3+Zpl0Is4+Zoa7M6DndwQbNQ16wLAr1kyBQQ=; b=oFVaLXPSFLBCB0KZZKGRjPyigDqVIFDg0q9ujGjfF2mzglk6pdpz1Qer6T4FRCiDGm tppzvN9PwXoiU4enx4kNtGYN0No2GQT4dBr18puDdEK30LhKd7ZjJwwm4F+2kwKZQMIS bdr84+IQKkIF42/ck3A28ZB2pheyrQUsqp/Jr2cywCksOTIk5nvmUN+QMSqeFNUceHd0 AkUtSTCjPQg+vGMMHKaCRdRrJUXJ4WXL2pGt6r8hDLzhLEHGo3X5uImymhZZUX74CHIk typO/6ENIFz5DL6XC2WVzFPuhvcKwcDqUYNtoAKzflsYYrchT2tJAuYKumog1TtjHYnM L9Ow== X-Forwarded-Encrypted: i=1; AJvYcCWcD9s0CS1bNIGFJqUEk3fqyuHlRZlVjewRHeg7c2QinnyWOqpYTzYKypzKeZdPjS5V84b7mag=@vger.kernel.org X-Gm-Message-State: AOJu0YwdPd2NgEZjRrUlenR63GQvyO0HGlLOu4Ksa/YVZOptmoblriRf OIh2U4m0bncPJaN4vv+QuW/h628fk7aa7L6f9X2cwUpAy9xJUx+MLiyhfxgQilpxIX0= X-Gm-Gg: ATEYQzzdwJ1l0YiXT8pVDxQM+7os/93khR1J+cpM5XGrKU1P1OJbQ/FRa+6Etkhsom7 c7HAfvvmrcvfOwgU7eW42s9wM18KGgfuAR6YJWTg7Q7NLxxyrA3wL5JgH2HEQbcoQjxSDsU56AK GCuKD+ECkFh775HrkUg4Y5oVY91bb4cIKG6Tj3yRRNZDBV8n4DMMs3r3biX+shcNyQnHy2FPleF hYCS1gtIDSOfVoSowvpLKZZgYvthlc9i141OcpgifkQuZFBe9Yb49PFI5mpWrUMdcCxrTZ5NDhj ofBTJ2PUHtKbRZpPUF3wZuOasv878wpqHuthA8HbEwme7C++Z/jOF4FqgBz0UOkQRQMN7JVUpeo ETHsT4xMLYOT4VST6eC74jaHaKCCRmv0YVaB8XOPhnklwyL7yq364K2z9VmjuwMkLi1WS0aAYaD slD0LeI34R/3uZ X-Received: by 2002:a17:906:f59c:b0:b98:8a4a:7d15 with SMTP id a640c23a62f3a-b9a3f1a70fdmr99510166b.19.1774403060215; Tue, 24 Mar 2026 18:44:20 -0700 (PDT) Received: from gmail.com ([2a09:bac5:4e22:270f::3e4:5]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b98335ddfa1sm714031166b.32.2026.03.24.18.44.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Mar 2026 18:44:19 -0700 (PDT) From: Qingfang Deng To: Shuah Khan , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Sebastian Andrzej Siewior , Felix Maurer , Allison Henderson , Petr Machata , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-ppp@vger.kernel.org, netdev@vger.kernel.org Cc: Paul Mackerras Subject: [PATCH net-next v3] selftests: net: add tests for PPP Date: Wed, 25 Mar 2026 09:43:54 +0800 Message-ID: <20260325014411.3596-1-dqfext@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add ping and iperf3 tests for ppp_async.c and pppoe.c. Signed-off-by: Qingfang Deng --- v3: - run on virtme-ng and fix dependencies - delete tmp files at cleanup - add log_test https://lore.kernel.org/linux-ppp/20260321154616.2754-1-dqfext@gmail.com/ MAINTAINERS | 1 + tools/testing/selftests/Makefile | 1 + tools/testing/selftests/net/ppp/Makefile | 15 +++++++ tools/testing/selftests/net/ppp/config | 9 ++++ tools/testing/selftests/net/ppp/ppp_async.sh | 43 ++++++++++++++++++ tools/testing/selftests/net/ppp/ppp_common.sh | 44 +++++++++++++++++++ .../selftests/net/ppp/pppoe-server-options | 2 + tools/testing/selftests/net/ppp/pppoe.sh | 40 +++++++++++++++++ 8 files changed, 155 insertions(+) create mode 100644 tools/testing/selftests/net/ppp/Makefile create mode 100644 tools/testing/selftests/net/ppp/config create mode 100755 tools/testing/selftests/net/ppp/ppp_async.sh create mode 100644 tools/testing/selftests/net/ppp/ppp_common.sh create mode 100644 tools/testing/selftests/net/ppp/pppoe-server-options create mode 100755 tools/testing/selftests/net/ppp/pppoe.sh diff --git a/MAINTAINERS b/MAINTAINERS index a09bf30a057d..d553437d5ac1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -21078,6 +21078,7 @@ PPP PROTOCOL DRIVERS AND COMPRESSORS L: linux-ppp@vger.kernel.org S: Orphan F: drivers/net/ppp/ppp_* +F: tools/testing/selftests/net/ppp/ PPS SUPPORT M: Rodolfo Giometti diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 450f13ba4cca..65f84e8a0cf0 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -78,6 +78,7 @@ TARGETS += net/netfilter TARGETS += net/openvswitch TARGETS += net/ovpn TARGETS += net/packetdrill +TARGETS += net/ppp TARGETS += net/rds TARGETS += net/tcp_ao TARGETS += nolibc diff --git a/tools/testing/selftests/net/ppp/Makefile b/tools/testing/selftests/net/ppp/Makefile new file mode 100644 index 000000000000..b39b0abadde6 --- /dev/null +++ b/tools/testing/selftests/net/ppp/Makefile @@ -0,0 +1,15 @@ +# SPDX-License-Identifier: GPL-2.0 + +top_srcdir = ../../../../.. + +TEST_PROGS := \ + ppp_async.sh \ + pppoe.sh \ +# end of TEST_PROGS + +TEST_FILES := \ + ppp_common.sh \ + pppoe-server-options \ +# end of TEST_FILES + +include ../../lib.mk diff --git a/tools/testing/selftests/net/ppp/config b/tools/testing/selftests/net/ppp/config new file mode 100644 index 000000000000..b45d25c5b970 --- /dev/null +++ b/tools/testing/selftests/net/ppp/config @@ -0,0 +1,9 @@ +CONFIG_IPV6=y +CONFIG_PACKET=y +CONFIG_PPP=m +CONFIG_PPP_ASYNC=m +CONFIG_PPP_BSDCOMP=m +CONFIG_PPP_DEFLATE=m +CONFIG_PPPOE=m +CONFIG_PPPOE_HASH_BITS_4=y +CONFIG_VETH=y diff --git a/tools/testing/selftests/net/ppp/ppp_async.sh b/tools/testing/selftests/net/ppp/ppp_async.sh new file mode 100755 index 000000000000..2238f1b8d1db --- /dev/null +++ b/tools/testing/selftests/net/ppp/ppp_async.sh @@ -0,0 +1,43 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +source ppp_common.sh + +# Temporary files for PTY symlinks +TTY_DIR=$(mktemp -d /tmp/ppp.XXXXXX) +TTY_SERVER="$TTY_DIR"/server +TTY_CLIENT="$TTY_DIR"/client + +cleanup() { + cleanup_all_ns + [ -n "$SOCAT_PID" ] && kill_process "$SOCAT_PID" + rm -fr "$TTY_DIR" +} + +trap cleanup EXIT + +require_command socat +ppp_common_init +modprobe -q ppp_async + +# Create the virtual serial device +socat -d PTY,link="$TTY_SERVER",rawer PTY,link="$TTY_CLIENT",rawer & +SOCAT_PID=$! + +# Wait for symlinks to be created +slowwait 5 [ -L "$TTY_SERVER" ] + +# Start the PPP Server +ip netns exec "$NS_SERVER" pppd "$TTY_SERVER" 115200 \ + "$IP_SERVER":"$IP_CLIENT" \ + local noauth nodefaultroute debug + +# Start the PPP Client +ip netns exec "$NS_CLIENT" pppd "$TTY_CLIENT" 115200 \ + local noauth updetach nodefaultroute debug + +ppp_test_connectivity + +log_test "PPP async" + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/net/ppp/ppp_common.sh b/tools/testing/selftests/net/ppp/ppp_common.sh new file mode 100644 index 000000000000..c72218813f95 --- /dev/null +++ b/tools/testing/selftests/net/ppp/ppp_common.sh @@ -0,0 +1,44 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# shellcheck disable=SC2153 + +source ../lib.sh + +IP_SERVER="192.168.200.1" +IP_CLIENT="192.168.200.2" + +ppp_common_init() { + # Package requirements + require_command pppd + require_command iperf3 + + # Check for root privileges + if [ "$(id -u)" -ne 0 ];then + echo "SKIP: Need root privileges" + exit $ksft_skip + fi + + # Namespaces + setup_ns NS_SERVER NS_CLIENT +} + +ppp_check_addr() { + dev=$1 + addr=$2 + ns=$3 + ip -netns "$ns" -4 addr show dev "$dev" 2>/dev/null | grep -q "$addr" + return $? +} + +ppp_test_connectivity() { + slowwait 10 ppp_check_addr "ppp0" "$IP_CLIENT" "$NS_CLIENT" + + ip netns exec "$NS_CLIENT" ping -c 3 "$IP_SERVER" + check_err $? + + ip netns exec "$NS_SERVER" iperf3 -s -1 -D + wait_local_port_listen "$NS_SERVER" 5201 tcp + + ip netns exec "$NS_CLIENT" iperf3 -c "$IP_SERVER" -Z -t 2 + check_err $? +} diff --git a/tools/testing/selftests/net/ppp/pppoe-server-options b/tools/testing/selftests/net/ppp/pppoe-server-options new file mode 100644 index 000000000000..66c8c9d319e9 --- /dev/null +++ b/tools/testing/selftests/net/ppp/pppoe-server-options @@ -0,0 +1,2 @@ +noauth +noipdefault diff --git a/tools/testing/selftests/net/ppp/pppoe.sh b/tools/testing/selftests/net/ppp/pppoe.sh new file mode 100755 index 000000000000..c6a96ac44a31 --- /dev/null +++ b/tools/testing/selftests/net/ppp/pppoe.sh @@ -0,0 +1,40 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +source ppp_common.sh + +VETH_SERVER="veth-server" +VETH_CLIENT="veth-client" + +cleanup() { + cleanup_all_ns +} + +trap cleanup EXIT + +require_command pppoe-server +ppp_common_init +modprobe -q pppoe + +# Create the veth pair +ip link add "$VETH_SERVER" type veth peer name "$VETH_CLIENT" +ip link set "$VETH_SERVER" netns "$NS_SERVER" +ip link set "$VETH_CLIENT" netns "$NS_CLIENT" +ip -netns "$NS_SERVER" link set "$VETH_SERVER" up +ip -netns "$NS_CLIENT" link set "$VETH_CLIENT" up + +# Start the PPP Server +ip netns exec "$NS_SERVER" pppoe-server -I "$VETH_SERVER" \ + -L "$IP_SERVER" -R "$IP_CLIENT" -N 1 -q "$(command -v pppd)" \ + -k -O "$(pwd)/pppoe-server-options" + +# Start the PPP Client +ip netns exec "$NS_CLIENT" pppd \ + local debug updetach noipdefault noauth nodefaultroute \ + plugin pppoe.so nic-"$VETH_CLIENT" + +ppp_test_connectivity + +log_test "PPPoE" + +exit $EXIT_STATUS -- 2.43.0