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