diff options
Diffstat (limited to 'tools/testing/selftests/drivers/net/netcons_basic.sh')
| -rwxr-xr-x | tools/testing/selftests/drivers/net/netcons_basic.sh | 218 |
1 files changed, 1 insertions, 217 deletions
diff --git a/tools/testing/selftests/drivers/net/netcons_basic.sh b/tools/testing/selftests/drivers/net/netcons_basic.sh index b175f4d966e5..fe765da498e8 100755 --- a/tools/testing/selftests/drivers/net/netcons_basic.sh +++ b/tools/testing/selftests/drivers/net/netcons_basic.sh @@ -18,224 +18,8 @@ set -euo pipefail SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")") -# Simple script to test dynamic targets in netconsole -SRCIF="" # to be populated later -SRCIP=192.0.2.1 -DSTIF="" # to be populated later -DSTIP=192.0.2.2 +source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh -PORT="6666" -MSG="netconsole selftest" -USERDATA_KEY="key" -USERDATA_VALUE="value" -TARGET=$(mktemp -u netcons_XXXXX) -DEFAULT_PRINTK_VALUES=$(cat /proc/sys/kernel/printk) -NETCONS_CONFIGFS="/sys/kernel/config/netconsole" -NETCONS_PATH="${NETCONS_CONFIGFS}"/"${TARGET}" -KEY_PATH="${NETCONS_PATH}/userdata/${USERDATA_KEY}" -# NAMESPACE will be populated by setup_ns with a random value -NAMESPACE="" - -# IDs for netdevsim -NSIM_DEV_1_ID=$((256 + RANDOM % 256)) -NSIM_DEV_2_ID=$((512 + RANDOM % 256)) -NSIM_DEV_SYS_NEW="/sys/bus/netdevsim/new_device" - -# Used to create and delete namespaces -source "${SCRIPTDIR}"/../../net/lib.sh -source "${SCRIPTDIR}"/../../net/net_helper.sh - -# Create netdevsim interfaces -create_ifaces() { - - echo "$NSIM_DEV_2_ID" > "$NSIM_DEV_SYS_NEW" - echo "$NSIM_DEV_1_ID" > "$NSIM_DEV_SYS_NEW" - udevadm settle 2> /dev/null || true - - local NSIM1=/sys/bus/netdevsim/devices/netdevsim"$NSIM_DEV_1_ID" - local NSIM2=/sys/bus/netdevsim/devices/netdevsim"$NSIM_DEV_2_ID" - - # These are global variables - SRCIF=$(find "$NSIM1"/net -maxdepth 1 -type d ! \ - -path "$NSIM1"/net -exec basename {} \;) - DSTIF=$(find "$NSIM2"/net -maxdepth 1 -type d ! \ - -path "$NSIM2"/net -exec basename {} \;) -} - -link_ifaces() { - local NSIM_DEV_SYS_LINK="/sys/bus/netdevsim/link_device" - local SRCIF_IFIDX=$(cat /sys/class/net/"$SRCIF"/ifindex) - local DSTIF_IFIDX=$(cat /sys/class/net/"$DSTIF"/ifindex) - - exec {NAMESPACE_FD}</var/run/netns/"${NAMESPACE}" - exec {INITNS_FD}</proc/self/ns/net - - # Bind the dst interface to namespace - ip link set "${DSTIF}" netns "${NAMESPACE}" - - # Linking one device to the other one (on the other namespace} - if ! echo "${INITNS_FD}:$SRCIF_IFIDX $NAMESPACE_FD:$DSTIF_IFIDX" > $NSIM_DEV_SYS_LINK - then - echo "linking netdevsim1 with netdevsim2 should succeed" - cleanup - exit "${ksft_skip}" - fi -} - -function configure_ip() { - # Configure the IPs for both interfaces - ip netns exec "${NAMESPACE}" ip addr add "${DSTIP}"/24 dev "${DSTIF}" - ip netns exec "${NAMESPACE}" ip link set "${DSTIF}" up - - ip addr add "${SRCIP}"/24 dev "${SRCIF}" - ip link set "${SRCIF}" up -} - -function set_network() { - # setup_ns function is coming from lib.sh - setup_ns NAMESPACE - - # Create both interfaces, and assign the destination to a different - # namespace - create_ifaces - - # Link both interfaces back to back - link_ifaces - - configure_ip -} - -function create_dynamic_target() { - DSTMAC=$(ip netns exec "${NAMESPACE}" \ - ip link show "${DSTIF}" | awk '/ether/ {print $2}') - - # Create a dynamic target - mkdir "${NETCONS_PATH}" - - echo "${DSTIP}" > "${NETCONS_PATH}"/remote_ip - echo "${SRCIP}" > "${NETCONS_PATH}"/local_ip - echo "${DSTMAC}" > "${NETCONS_PATH}"/remote_mac - echo "${SRCIF}" > "${NETCONS_PATH}"/dev_name - - echo 1 > "${NETCONS_PATH}"/enabled -} - -function cleanup() { - local NSIM_DEV_SYS_DEL="/sys/bus/netdevsim/del_device" - - # delete netconsole dynamic reconfiguration - echo 0 > "${NETCONS_PATH}"/enabled - # Remove key - rmdir "${KEY_PATH}" - # Remove the configfs entry - rmdir "${NETCONS_PATH}" - - # Delete netdevsim devices - echo "$NSIM_DEV_2_ID" > "$NSIM_DEV_SYS_DEL" - echo "$NSIM_DEV_1_ID" > "$NSIM_DEV_SYS_DEL" - - # this is coming from lib.sh - cleanup_all_ns - - # Restoring printk configurations - echo "${DEFAULT_PRINTK_VALUES}" > /proc/sys/kernel/printk -} - -function set_user_data() { - if [[ ! -d "${NETCONS_PATH}""/userdata" ]] - then - echo "Userdata path not available in ${NETCONS_PATH}/userdata" - exit "${ksft_skip}" - fi - - mkdir -p "${KEY_PATH}" - VALUE_PATH="${KEY_PATH}""/value" - echo "${USERDATA_VALUE}" > "${VALUE_PATH}" -} - -function listen_port_and_save_to() { - local OUTPUT=${1} - # Just wait for 2 seconds - timeout 2 ip netns exec "${NAMESPACE}" \ - socat UDP-LISTEN:"${PORT}",fork "${OUTPUT}" -} - -function validate_result() { - local TMPFILENAME="$1" - - # TMPFILENAME will contain something like: - # 6.11.1-0_fbk0_rc13_509_g30d75cea12f7,13,1822,115075213798,-;netconsole selftest: netcons_gtJHM - # key=value - - # Check if the file exists - if [ ! -f "$TMPFILENAME" ]; then - echo "FAIL: File was not generated." >&2 - exit "${ksft_fail}" - fi - - if ! grep -q "${MSG}" "${TMPFILENAME}"; then - echo "FAIL: ${MSG} not found in ${TMPFILENAME}" >&2 - cat "${TMPFILENAME}" >&2 - exit "${ksft_fail}" - fi - - if ! grep -q "${USERDATA_KEY}=${USERDATA_VALUE}" "${TMPFILENAME}"; then - echo "FAIL: ${USERDATA_KEY}=${USERDATA_VALUE} not found in ${TMPFILENAME}" >&2 - cat "${TMPFILENAME}" >&2 - exit "${ksft_fail}" - fi - - # Delete the file once it is validated, otherwise keep it - # for debugging purposes - rm "${TMPFILENAME}" - exit "${ksft_pass}" -} - -function check_for_dependencies() { - if [ "$(id -u)" -ne 0 ]; then - echo "This test must be run as root" >&2 - exit "${ksft_skip}" - fi - - if ! which socat > /dev/null ; then - echo "SKIP: socat(1) is not available" >&2 - exit "${ksft_skip}" - fi - - if ! which ip > /dev/null ; then - echo "SKIP: ip(1) is not available" >&2 - exit "${ksft_skip}" - fi - - if ! which udevadm > /dev/null ; then - echo "SKIP: udevadm(1) is not available" >&2 - exit "${ksft_skip}" - fi - - if [ ! -f "${NSIM_DEV_SYS_NEW}" ]; then - echo "SKIP: file ${NSIM_DEV_SYS_NEW} does not exist. Check if CONFIG_NETDEVSIM is enabled" >&2 - exit "${ksft_skip}" - fi - - if [ ! -d "${NETCONS_CONFIGFS}" ]; then - echo "SKIP: directory ${NETCONS_CONFIGFS} does not exist. Check if NETCONSOLE_DYNAMIC is enabled" >&2 - exit "${ksft_skip}" - fi - - if ip link show "${DSTIF}" 2> /dev/null; then - echo "SKIP: interface ${DSTIF} exists in the system. Not overwriting it." >&2 - exit "${ksft_skip}" - fi - - if ip addr list | grep -E "inet.*(${SRCIP}|${DSTIP})" 2> /dev/null; then - echo "SKIP: IPs already in use. Skipping it" >&2 - exit "${ksft_skip}" - fi -} - -# ========== # -# Start here # -# ========== # modprobe netdevsim 2> /dev/null || true modprobe netconsole 2> /dev/null || true |