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([49.43.168.245]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7c211cf0726sm204429a12.16.2024.08.07.10.57.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Aug 2024 10:57:42 -0700 (PDT) From: Abhinav Jain To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, shuah@kernel.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Cc: skhan@linuxfoundation.org, javier.carrasco.cruz@gmail.com, Abhinav Jain Subject: [PATCH v4 1/2] selftests: net: Create veth pair for testing in networkless kernel Date: Wed, 7 Aug 2024 17:57:16 +0000 Message-Id: <20240807175717.7775-2-jain.abhinav177@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240807175717.7775-1-jain.abhinav177@gmail.com> References: <20240807175717.7775-1-jain.abhinav177@gmail.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Check if the netdev list is empty and create veth pair to be used for feature on/off testing. Remove the veth pair after testing is complete. Signed-off-by: Abhinav Jain --- tools/testing/selftests/net/netdevice.sh | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/tools/testing/selftests/net/netdevice.sh b/tools/testing/selftests/net/netdevice.sh index e3afcb424710..279c44271047 100755 --- a/tools/testing/selftests/net/netdevice.sh +++ b/tools/testing/selftests/net/netdevice.sh @@ -129,6 +129,7 @@ kci_netdev_ethtool() kci_netdev_ethtool_test 74 'dump' "ethtool -d $netdev" kci_netdev_ethtool_test 94 'stats' "ethtool -S $netdev" + return 0 } @@ -196,10 +197,27 @@ if [ ! -e "$TMP_LIST_NETDEV" ];then fi ip link show |grep '^[0-9]' | grep -oE '[[:space:]].*eth[0-9]*:|[[:space:]].*enp[0-9]s[0-9]:' | cut -d\ -f2 | cut -d: -f1> "$TMP_LIST_NETDEV" + +veth_created=0 + +if [ ! -s "$TMP_LIST_NETDEV" ]; then + echo "No valid network device found, creating veth pair" + ip link add veth0 type peer name veth1 + echo "veth0" > "$TMP_LIST_NETDEV" + echo "veth1" >> "$TMP_LIST_NETDEV" + veth_created=1 +fi + while read netdev do kci_test_netdev "$netdev" done < "$TMP_LIST_NETDEV" +#clean up veth interface pair if it was created +if [ "veth_created" ]; then + ip link delete veth0 + echo "Removed veth pair" +fi + rm "$TMP_LIST_NETDEV" exit 0