summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/net/setup_loopback.sh
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/net/setup_loopback.sh')
-rw-r--r--tools/testing/selftests/net/setup_loopback.sh120
1 files changed, 0 insertions, 120 deletions
diff --git a/tools/testing/selftests/net/setup_loopback.sh b/tools/testing/selftests/net/setup_loopback.sh
deleted file mode 100644
index 2070b57849de..000000000000
--- a/tools/testing/selftests/net/setup_loopback.sh
+++ /dev/null
@@ -1,120 +0,0 @@
-#!/bin/bash
-# SPDX-License-Identifier: GPL-2.0
-
-readonly FLUSH_PATH="/sys/class/net/${dev}/gro_flush_timeout"
-readonly IRQ_PATH="/sys/class/net/${dev}/napi_defer_hard_irqs"
-readonly FLUSH_TIMEOUT="$(< ${FLUSH_PATH})"
-readonly HARD_IRQS="$(< ${IRQ_PATH})"
-readonly server_ns=$(mktemp -u server-XXXXXXXX)
-readonly client_ns=$(mktemp -u client-XXXXXXXX)
-
-netdev_check_for_carrier() {
- local -r dev="$1"
-
- for i in {1..5}; do
- carrier="$(cat /sys/class/net/${dev}/carrier)"
- if [[ "${carrier}" -ne 1 ]] ; then
- echo "carrier not ready yet..." >&2
- sleep 1
- else
- echo "carrier ready" >&2
- break
- fi
- done
- echo "${carrier}"
-}
-
-# Assumes that there is no existing ipvlan device on the physical device
-setup_loopback_environment() {
- local dev="$1"
-
- # Fail hard if cannot turn on loopback mode for current NIC
- ethtool -K "${dev}" loopback on || exit 1
- sleep 1
-
- # Check for the carrier
- carrier=$(netdev_check_for_carrier ${dev})
- if [[ "${carrier}" -ne 1 ]] ; then
- echo "setup_loopback_environment failed"
- exit 1
- fi
-}
-
-setup_macvlan_ns(){
- local -r link_dev="$1"
- local -r ns_name="$2"
- local -r ns_dev="$3"
- local -r ns_mac="$4"
- local -r addr="$5"
-
- ip link add link "${link_dev}" dev "${ns_dev}" \
- address "${ns_mac}" type macvlan
- exit_code=$?
- if [[ "${exit_code}" -ne 0 ]]; then
- echo "setup_macvlan_ns failed"
- exit $exit_code
- fi
-
- [[ -e /var/run/netns/"${ns_name}" ]] || ip netns add "${ns_name}"
- ip link set dev "${ns_dev}" netns "${ns_name}"
- ip -netns "${ns_name}" link set dev "${ns_dev}" up
- if [[ -n "${addr}" ]]; then
- ip -netns "${ns_name}" addr add dev "${ns_dev}" "${addr}"
- fi
-
- sleep 1
-}
-
-cleanup_macvlan_ns(){
- while (( $# >= 2 )); do
- ns_name="$1"
- ns_dev="$2"
- ip -netns "${ns_name}" link del dev "${ns_dev}"
- ip netns del "${ns_name}"
- shift 2
- done
-}
-
-cleanup_loopback(){
- local -r dev="$1"
-
- ethtool -K "${dev}" loopback off
- sleep 1
-
- # Check for the carrier
- carrier=$(netdev_check_for_carrier ${dev})
- if [[ "${carrier}" -ne 1 ]] ; then
- echo "setup_loopback_environment failed"
- exit 1
- fi
-}
-
-setup_interrupt() {
- # Use timer on host to trigger the network stack
- # Also disable device interrupt to not depend on NIC interrupt
- # Reduce test flakiness caused by unexpected interrupts
- echo 100000 >"${FLUSH_PATH}"
- echo 50 >"${IRQ_PATH}"
-}
-
-setup_ns() {
- # Set up server_ns namespace and client_ns namespace
- setup_macvlan_ns "${dev}" ${server_ns} server "${SERVER_MAC}"
- setup_macvlan_ns "${dev}" ${client_ns} client "${CLIENT_MAC}"
-}
-
-cleanup_ns() {
- cleanup_macvlan_ns ${server_ns} server ${client_ns} client
-}
-
-setup() {
- setup_loopback_environment "${dev}"
- setup_interrupt
-}
-
-cleanup() {
- cleanup_loopback "${dev}"
-
- echo "${FLUSH_TIMEOUT}" >"${FLUSH_PATH}"
- echo "${HARD_IRQS}" >"${IRQ_PATH}"
-}