/usr/src/linux-headers-5.15.0-190/tools/testing/selftests/net/forwarding
Edit: /usr/src/linux-headers-5.15.0-190/tools/testing/selftests/net/forwarding/ethtool.sh (6745B)
#!/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