LXR linux/tools/testing/selftests/net/setup

   1#!/bin/bash
   2# SPDX-License-Identifier: GPL-2.0
   3
   4setup_veth_ns() {
   5        local -r link_dev="$1"
   6        local -r ns_name="$2"
   7        local -r ns_dev="$3"
   8        local -r ns_mac="$4"
   9
  10        [[ -e /var/run/netns/"${ns_name}" ]] || ip netns add "${ns_name}"
  11        echo 100000 > "/sys/class/net/${ns_dev}/gro_flush_timeout"
  12        ip link set dev "${ns_dev}" netns "${ns_name}" mtu 65535
  13        ip -netns "${ns_name}" link set dev "${ns_dev}" up
  14
  15        ip netns exec "${ns_name}" ethtool -K "${ns_dev}" gro on tso off
  16}
  17
  18setup_ns() {
  19        # Set up server_ns namespace and client_ns namespace
  20        ip link add name server type veth peer name client
  21
  22        setup_veth_ns "${dev}" server_ns server "${SERVER_MAC}"
  23        setup_veth_ns "${dev}" client_ns client "${CLIENT_MAC}"
  24}
  25
  26cleanup_ns() {
  27        local ns_name
  28
  29        for ns_name in client_ns server_ns; do
  30                [[ -e /var/run/netns/"${ns_name}" ]] && ip netns del "${ns_name}"
  31        done
  32}
  33
  34setup() {
  35        # no global init setup step needed
  36        :
  37}
  38
  39cleanup() {
  40        cleanup_ns
  41}
  42