File Content: ethtool.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0 ALL_TESTS=" same_speeds_autoneg_off different_speeds_autoneg_off combination_of_neg_on_and_off advertise_subset_of_speeds check_highest_speed_is_chosen different_speeds_autoneg_on " NUM_NETIFS=2 source lib.sh source ethtool_lib.sh h1_create() { simple_if_init $h1 192.0.2.1/24 } h1_destroy() { simple_if_fini $h1 192.0.2.1/24 } h2_create() { simple_if_init $h2 192.0.2.2/24 } h2_destroy() { simple_if_fini $h2 192.0.2.2/24 } setup_prepare() { h1=${NETIFS[p1]} h2=${NETIFS[p2]} h1_create h2_create } cleanup() { pre_cleanup h2_destroy h1_destroy } same_speeds_autoneg_off() { # Check that when each of the reported speeds is forced, the links come # up and are operational. local -a speeds_arr=($(common_speeds_get $h1 $h2 0 0)) for speed in "${speeds_arr[@]}"; do RET=0 ethtool_set $h1 speed $speed autoneg off ethtool_set $h2 speed $speed autoneg off setup_wait_dev_with_timeout $h1 setup_wait_dev_with_timeout $h2 ping_do $h1 192.0.2.2 check_err $? "speed $speed autoneg off" log_test "force of same speed autoneg off" log_info "speed = $speed" done ethtool -s $h2 autoneg on ethtool -s $h1 autoneg on } different_speeds_autoneg_off() { # Test that when we force different speeds, links are not up and ping # fails. RET=0 local -a speeds_arr=($(different_speeds_get $h1 $h2 0 0)) local speed1=${speeds_arr[0]} local speed2=${speeds_arr[1]} ethtool_set $h1 speed $speed1 autoneg off ethtool_set $h2 speed $speed2 autoneg off setup_wait_dev_with_timeout $h1 setup_wait_dev_with_timeout $h2 ping_do $h1 192.0.2.2 check_fail $? "ping with different speeds" log_test "force of different speeds autoneg off" ethtool -s $h2 autoneg on ethtool -s $h1 autoneg on } combination_of_neg_on_and_off() { # Test that when one device is forced to a speed supported by both # endpoints and the other device is configured to autoneg on, the links # are up and ping passes. local -a speeds_arr=($(common_speeds_get $h1 $h2 0 1)) for speed in "${speeds_arr[@]}"; do RET=0 ethtool_set $h1 speed $speed autoneg off setup_wait_dev_with_timeout $h1 setup_wait_dev_with_timeout $h2 ping_do $h1 192.0.2.2 check_err $? "h1-speed=$speed autoneg off, h2 autoneg on" log_test "one side with autoneg off and another with autoneg on" log_info "force speed = $speed" done ethtool -s $h1 autoneg on } hex_speed_value_get() { local speed=$1; shift local shift_size=${speed_values[$speed]} speed=$((0x1 << $"shift_size")) printf "%#x" "$speed" } subset_of_common_speeds_get() { local dev1=$1; shift local dev2=$1; shift local adver=$1; shift local -a speeds_arr=($(common_speeds_get $dev1 $dev2 0 $adver)) local speed_to_advertise=0 local speed_to_remove=${speeds_arr[0]} speed_to_remove+='base' local -a speeds_mode_arr=($(common_speeds_get $dev1 $dev2 1 $adver)) for speed in ${speeds_mode_arr[@]}; do if [[ $speed != $speed_to_remove* ]]; then speed=$(hex_speed_value_get $speed) speed_to_advertise=$(($speed_to_advertise | \ $speed)) fi done # Convert to hex. printf "%#x" "$speed_to_advertise" } speed_to_advertise_get() { # The function returns the hex number that is composed by OR-ing all # the modes corresponding to the provided speed. local speed_without_mode=$1; shift local supported_speeds=("$@"); shift local speed_to_advertise=0 speed_without_mode+='base' for speed in ${supported_speeds[@]}; do if [[ $speed == $speed_without_mode* ]]; then speed=$(hex_speed_value_get $speed) speed_to_advertise=$(($speed_to_advertise | \ $speed)) fi done # Convert to hex. printf "%#x" "$speed_to_advertise" } advertise_subset_of_speeds() { # Test that when one device advertises a subset of speeds and another # advertises a specific speed (but all modes of this speed), the links # are up and ping passes. RET=0 local speed_1_to_advertise=$(subset_of_common_speeds_get $h1 $h2 1) ethtool_set $h1 advertise $speed_1_to_advertise if [ $RET != 0 ]; then log_test "advertise subset of speeds" return fi local -a speeds_arr_without_mode=($(common_speeds_get $h1 $h2 0 1)) # Check only speeds that h1 advertised. Remove the first speed. unset speeds_arr_without_mode[0] local -a speeds_arr_with_mode=($(common_speeds_get $h1 $h2 1 1)) for speed_value in ${speeds_arr_without_mode[@]}; do RET=0 local speed_2_to_advertise=$(speed_to_advertise_get $speed_value \ "${speeds_arr_with_mode[@]}") ethtool_set $h2 advertise $speed_2_to_advertise setup_wait_dev_with_timeout $h1 setup_wait_dev_with_timeout $h2 ping_do $h1 192.0.2.2 check_err $? "h1=$speed_1_to_advertise, h2=$speed_2_to_advertise ($speed_value)" log_test "advertise subset of speeds" log_info "h1=$speed_1_to_advertise, h2=$speed_2_to_advertise" done ethtool -s $h2 autoneg on ethtool -s $h1 autoneg on } check_highest_speed_is_chosen() { # Test that when one device advertises a subset of speeds, the other # chooses the highest speed. This test checks configuration without # traffic. RET=0 local max_speed local chosen_speed local speed_to_advertise=$(subset_of_common_speeds_get $h1 $h2 1) ethtool_set $h1 advertise $speed_to_advertise if [ $RET != 0 ]; then log_test "check highest speed" return fi local -a speeds_arr=($(common_speeds_get $h1 $h2 0 1)) max_speed=${speeds_arr[0]} for current in ${speeds_arr[@]}; do if [[ $current -gt $max_speed ]]; then max_speed=$current fi done setup_wait_dev_with_timeout $h1 setup_wait_dev_with_timeout $h2 chosen_speed=$(ethtool $h1 | grep 'Speed:') chosen_speed=${chosen_speed%"Mb/s"*} chosen_speed=${chosen_speed#*"Speed: "} ((chosen_speed == max_speed)) check_err $? "h1 advertise $speed_to_advertise, h2 sync to speed $chosen_speed" log_test "check highest speed" ethtool -s $h2 autoneg on ethtool -s $h1 autoneg on } different_speeds_autoneg_on() { # Test that when we configure links to advertise different speeds, # links are not up and ping fails. RET=0 local -a speeds=($(different_speeds_get $h1 $h2 1 1)) local speed1=${speeds[0]} local speed2=${speeds[1]} speed1=$(hex_speed_value_get $speed1) speed2=$(hex_speed_value_get $speed2) ethtool_set $h1 advertise $speed1 ethtool_set $h2 advertise $speed2 if (($RET)); then setup_wait_dev_with_timeout $h1 setup_wait_dev_with_timeout $h2 ping_do $h1 192.0.2.2 check_fail $? "ping with different speeds autoneg on" fi log_test "advertise different speeds autoneg on" ethtool -s $h2 autoneg on ethtool -s $h1 autoneg on } skip_on_veth trap cleanup EXIT setup_prepare setup_wait declare -gA speed_values eval "speed_values=($(speeds_arr_get))" tests_run exit $EXIT_STATUS Submit