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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Test bond device ether type changing
#
ALL_TESTS="
bond_test_unsuccessful_enslave_type_change
bond_test_successful_enslave_type_change
"
REQUIRE_MZ=no
NUM_NETIFS=0
lib_dir=$(dirname "$0")
source "$lib_dir"/../../../net/forwarding/lib.sh
bond_check_flags()
{
local bonddev=$1
ip -d l sh dev "$bonddev" | grep -q "MASTER"
check_err $? "MASTER flag is missing from the bond device"
ip -d l sh dev "$bonddev" | grep -q "SLAVE"
check_err $? "SLAVE flag is missing from the bond device"
}
# test enslaved bond dev type change from ARPHRD_ETHER and back
# this allows us to test both MASTER and SLAVE flags at once
bond_test_enslave_type_change()
{
local test_success=$1
local devbond0="test-bond0"
local devbond1="test-bond1"
local devbond2="test-bond2"
local nonethdev="test-noneth0"
# create a non-ARPHRD_ETHER device for testing (e.g. nlmon type)
ip link add name "$nonethdev" type nlmon
check_err $? "could not create a non-ARPHRD_ETHER device (nlmon)"
ip link add name "$devbond0" type bond
if [ $test_success -eq 1 ]; then
# we need devbond0 in active-backup mode to successfully enslave nonethdev
ip link set dev "$devbond0" type bond mode active-backup
check_err $? "could not change bond mode to active-backup"
fi
ip link add name "$devbond1" type bond
ip link add name "$devbond2" type bond
ip link set dev "$devbond0" master "$devbond1"
check_err $? "could not enslave $devbond0 to $devbond1"
# change bond type to non-ARPHRD_ETHER
ip link set dev "$nonethdev" master "$devbond0" 1>/dev/null 2>/dev/null
ip link set dev "$nonethdev" nomaster 1>/dev/null 2>/dev/null
# restore ARPHRD_ETHER type by enslaving such device
ip link set dev "$devbond2" master "$devbond0"
check_err $? "could not enslave $devbond2 to $devbond0"
bond_check_flags "$devbond0"
# clean up
ip link del dev "$devbond0"
ip link del dev "$devbond1"
ip link del dev "$devbond2"
ip link del dev "$nonethdev"
}
bond_test_unsuccessful_enslave_type_change()
{
RET=0
bond_test_enslave_type_change 0
log_test "Change ether type of an enslaved bond device with unsuccessful enslave"
}
bond_test_successful_enslave_type_change()
{
RET=0
bond_test_enslave_type_change 1
log_test "Change ether type of an enslaved bond device with successful enslave"
}
tests_run
exit "$EXIT_STATUS"
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