1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# 4# This test is for checking network interface 5# For the moment it tests only ethernet interface (but wifi could be easily added) 6# 7# We assume that all network driver are loaded 8# if not they probably have failed earlier in the boot process and their logged error will be catched by another test 9# 10 11# Kselftest framework requirement - SKIP code is 4. 12ksft_skip=4 13 14# this function will try to up the interface 15# if already up, nothing done 16# arg1: network interface name 17kci_net_start() 18{ 19 netdev=$1 20 21 ip link show "$netdev" |grep -q UP 22 if [ $? -eq 0 ];then 23 echo "SKIP: $netdev: interface already up" 24 return $ksft_skip 25 fi 26 27 ip link set "$netdev" up 28 if [ $? -ne 0 ];then 29 echo "FAIL: $netdev: Fail to up interface" 30 return 1 31 else 32 echo "PASS: $netdev: set interface up" 33 NETDEV_STARTED=1 34 fi 35 return 0 36} 37 38# this function will try to setup an IP and MAC address on a network interface 39# Doing nothing if the interface was already up 40# arg1: network interface name 41kci_net_setup() 42{ 43 netdev=$1 44 45 # do nothing if the interface was already up 46 if [ $NETDEV_STARTED -eq 0 ];then 47 return 0 48 fi 49 50 MACADDR='02:03:04:05:06:07' 51 ip link set dev $netdev address "$MACADDR" 52 if [ $? -ne 0 ];then 53 echo "FAIL: $netdev: Cannot set MAC address" 54 else 55 ip link show $netdev |grep -q "$MACADDR" 56 if [ $? -eq 0 ];then 57 echo "PASS: $netdev: set MAC address" 58 else 59 echo "FAIL: $netdev: Cannot set MAC address" 60 fi 61 fi 62 63 #check that the interface did not already have an IP 64 ip address show "$netdev" |grep '^[[:space:]]*inet' 65 if [ $? -eq 0 ];then 66 echo "SKIP: $netdev: already have an IP" 67 return $ksft_skip 68 fi 69 70 # TODO what ipaddr to set ? DHCP ? 71 echo "SKIP: $netdev: set IP address" 72 return $ksft_skip 73} 74 75# test an ethtool command 76# arg1: return code for not supported (see ethtool code source) 77# arg2: summary of the command 78# arg3: command to execute 79kci_netdev_ethtool_test() 80{ 81 if [ $# -le 2 ];then 82 echo "SKIP: $netdev: ethtool: invalid number of arguments" 83 return 1 84 fi 85 $3 >/dev/null 86 ret=$? 87 if [ $ret -ne 0 ];then 88 if [ $ret -eq "$1" ];then 89 echo "SKIP: $netdev: ethtool $2 not supported" 90 return $ksft_skip 91 else 92 echo "FAIL: $netdev: ethtool $2" 93 return 1 94 fi 95 else 96 echo "PASS: $netdev: ethtool $2" 97 fi 98 return 0 99} 100 101# test ethtool commands 102# arg1: network interface name 103kci_netdev_ethtool() 104{ 105 netdev=$1 106 107 #check presence of ethtool 108 ethtool --version 2>/dev/null >/dev/null 109 if [ $? -ne 0 ];then 110 echo "SKIP: ethtool not present" 111 return $ksft_skip 112 fi 113 114 TMP_ETHTOOL_FEATURES="$(mktemp)" 115 if [ ! -e "$TMP_ETHTOOL_FEATURES" ];then 116 echo "SKIP: Cannot create a tmp file" 117 return 1 118 fi 119 120 ethtool -k "$netdev" > "$TMP_ETHTOOL_FEATURES" 121 if [ $? -ne 0 ];then 122 echo "FAIL: $netdev: ethtool list features" 123 rm "$TMP_ETHTOOL_FEATURES" 124 return 1 125 fi 126 echo "PASS: $netdev: ethtool list features" 127 #TODO for each non fixed features, try to turn them on/off 128 rm "$TMP_ETHTOOL_FEATURES" 129 130 kci_netdev_ethtool_test 74 'dump' "ethtool -d $netdev" 131 kci_netdev_ethtool_test 94 'stats' "ethtool -S $netdev" 132 return 0 133} 134 135# stop a netdev 136# arg1: network interface name 137kci_netdev_stop() 138{ 139 netdev=$1 140 141 if [ $NETDEV_STARTED -eq 0 ];then 142 echo "SKIP: $netdev: interface kept up" 143 return 0 144 fi 145 146 ip link set "$netdev" down 147 if [ $? -ne 0 ];then 148 echo "FAIL: $netdev: stop interface" 149 return 1 150 fi 151 echo "PASS: $netdev: stop interface" 152 return 0 153} 154 155# run all test on a netdev 156# arg1: network interface name 157kci_test_netdev() 158{ 159 NETDEV_STARTED=0 160 IFACE_TO_UPDOWN="$1" 161 IFACE_TO_TEST="$1" 162 #check for VLAN interface 163 MASTER_IFACE="$(echo $1 | cut -d@ -f2)" 164 if [ ! -z "$MASTER_IFACE" ];then 165 IFACE_TO_UPDOWN="$MASTER_IFACE" 166 IFACE_TO_TEST="$(echo $1 | cut -d@ -f1)" 167 fi 168 169 NETDEV_STARTED=0 170 kci_net_start "$IFACE_TO_UPDOWN" 171 172 kci_net_setup "$IFACE_TO_TEST" 173 174 kci_netdev_ethtool "$IFACE_TO_TEST" 175 176 kci_netdev_stop "$IFACE_TO_UPDOWN" 177 return 0 178} 179 180#check for needed privileges 181if [ "$(id -u)" -ne 0 ];then 182 echo "SKIP: Need root privileges" 183 exit $ksft_skip 184fi 185 186ip link show 2>/dev/null >/dev/null 187if [ $? -ne 0 ];then 188 echo "SKIP: Could not run test without the ip tool" 189 exit $ksft_skip 190fi 191 192TMP_LIST_NETDEV="$(mktemp)" 193if [ ! -e "$TMP_LIST_NETDEV" ];then 194 echo "FAIL: Cannot create a tmp file" 195 exit 1 196fi 197 198ip link show |grep '^[0-9]' | grep -oE '[[:space:]].*eth[0-9]*:|[[:space:]].*enp[0-9]s[0-9]:' | cut -d\ -f2 | cut -d: -f1> "$TMP_LIST_NETDEV" 199while read netdev 200do 201 kci_test_netdev "$netdev" 202done < "$TMP_LIST_NETDEV" 203 204rm "$TMP_LIST_NETDEV" 205exit 0 206