selftests: forwarding: Add tests for ethtool extended state

#!/bin/bash

# SPDX-License-Identifier: GPL-2.0

ALL_TESTS="

	autoneg

	autoneg_force_mode

	no_cable

"

NUM_NETIFS=2

source lib.sh

source ethtool_lib.sh

setup_prepare()

{

	swp1=${NETIFS[p1]}

	swp2=${NETIFS[p2]}

	swp3=$NETIF_NO_CABLE

}

ethtool_extended_state_check()

{

	local dev=$1; shift

	local expected_ext_state=$1; shift

	local expected_ext_substate=${1:-""}; shift

	local ext_state=$(ethtool $dev | grep "Link detected" \

		| cut -d "(" -f2 | cut -d ")" -f1)

	local ext_substate=$(echo $ext_state | cut -sd "," -f2 \

		| sed -e 's/^[[:space:]]*//')

	ext_state=$(echo $ext_state | cut -d "," -f1)

	[[ $ext_state == $expected_ext_state ]]

	check_err $? "Expected \"$expected_ext_state\", got \"$ext_state\""

	[[ $ext_substate == $expected_ext_substate ]]

	check_err $? "Expected \"$expected_ext_substate\", got \"$ext_substate\""

}

autoneg()

{

	RET=0

	ip link set dev $swp1 up

	sleep 4

	ethtool_extended_state_check $swp1 "Autoneg" "No partner detected"

	log_test "Autoneg, No partner detected"

	ip link set dev $swp1 down

}

autoneg_force_mode()

{

	RET=0

	ip link set dev $swp1 up

	ip link set dev $swp2 up

	local -a speeds_arr=($(different_speeds_get $swp1 $swp2 0 0))

	local speed1=${speeds_arr[0]}

	local speed2=${speeds_arr[1]}

	ethtool_set $swp1 speed $speed1 autoneg off

	ethtool_set $swp2 speed $speed2 autoneg off

	sleep 4

	ethtool_extended_state_check $swp1 "Autoneg" \

		"No partner detected during force mode"

	ethtool_extended_state_check $swp2 "Autoneg" \

		"No partner detected during force mode"

	log_test "Autoneg, No partner detected during force mode"

	ethtool -s $swp2 autoneg on

	ethtool -s $swp1 autoneg on

	ip link set dev $swp2 down

	ip link set dev $swp1 down

}

no_cable()

{

	RET=0

	ip link set dev $swp3 up

	sleep 1

	ethtool_extended_state_check $swp3 "No cable"

	log_test "No cable"

	ip link set dev $swp3 down

}

setup_prepare

tests_run

exit $EXIT_STATUS