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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Topology for Bond mode 1,5,6 testing
#
# +-------------------------------------+
# | bond0 |
# | + | Server
# | eth0 | eth1 eth2 | 192.0.2.1/24
# | +-------------------+ | 2001:db8::1/24
# | | | | |
# +-------------------------------------+
# | | |
# +-------------------------------------+
# | | | | |
# | +---+---------+---------+---+ | Gateway
# | | br0 | | 192.0.2.254/24
# | +-------------+-------------+ | 2001:db8::254/24
# | | |
# +-------------------------------------+
# |
# +-------------------------------------+
# | | | Client
# | + | 192.0.2.10/24
# | eth0 | 2001:db8::10/24
# +-------------------------------------+
s_ns="s-$(mktemp -u XXXXXX)"
c_ns="c-$(mktemp -u XXXXXX)"
g_ns="g-$(mktemp -u XXXXXX)"
s_ip4="192.0.2.1"
c_ip4="192.0.2.10"
g_ip4="192.0.2.254"
s_ip6="2001:db8::1"
c_ip6="2001:db8::10"
g_ip6="2001:db8::254"
gateway_create()
{
ip netns add ${g_ns}
ip -n ${g_ns} link add br0 type bridge
ip -n ${g_ns} link set br0 up
ip -n ${g_ns} addr add ${g_ip4}/24 dev br0
ip -n ${g_ns} addr add ${g_ip6}/24 dev br0
}
gateway_destroy()
{
ip -n ${g_ns} link del br0
ip netns del ${g_ns}
}
server_create()
{
ip netns add ${s_ns}
ip -n ${s_ns} link add bond0 type bond mode active-backup miimon 100
for i in $(seq 0 2); do
ip -n ${s_ns} link add eth${i} type veth peer name s${i} netns ${g_ns}
ip -n ${g_ns} link set s${i} up
ip -n ${g_ns} link set s${i} master br0
ip -n ${s_ns} link set eth${i} master bond0
done
ip -n ${s_ns} link set bond0 up
ip -n ${s_ns} addr add ${s_ip4}/24 dev bond0
ip -n ${s_ns} addr add ${s_ip6}/24 dev bond0
sleep 2
}
# Reset bond with new mode and options
bond_reset()
{
local param="$1"
ip -n ${s_ns} link set bond0 down
ip -n ${s_ns} link del bond0
ip -n ${s_ns} link add bond0 type bond $param
for i in $(seq 0 2); do
ip -n ${s_ns} link set eth$i master bond0
done
ip -n ${s_ns} link set bond0 up
ip -n ${s_ns} addr add ${s_ip4}/24 dev bond0
ip -n ${s_ns} addr add ${s_ip6}/24 dev bond0
sleep 2
}
server_destroy()
{
for i in $(seq 0 2); do
ip -n ${s_ns} link del eth${i}
done
ip netns del ${s_ns}
}
client_create()
{
ip netns add ${c_ns}
ip -n ${c_ns} link add eth0 type veth peer name c0 netns ${g_ns}
ip -n ${g_ns} link set c0 up
ip -n ${g_ns} link set c0 master br0
ip -n ${c_ns} link set eth0 up
ip -n ${c_ns} addr add ${c_ip4}/24 dev eth0
ip -n ${c_ns} addr add ${c_ip6}/24 dev eth0
}
client_destroy()
{
ip -n ${c_ns} link del eth0
ip netns del ${c_ns}
}
setup_prepare()
{
gateway_create
server_create
client_create
}
cleanup()
{
pre_cleanup
client_destroy
server_destroy
gateway_destroy
}
bond_check_connection()
{
local msg=${1:-"check connection"}
sleep 2
ip netns exec ${s_ns} ping ${c_ip4} -c5 -i 0.1 &>/dev/null
check_err $? "${msg}: ping failed"
ip netns exec ${s_ns} ping6 ${c_ip6} -c5 -i 0.1 &>/dev/null
check_err $? "${msg}: ping6 failed"
}
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