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187 lines
3.9 KiB
187 lines
3.9 KiB
#!/bin/bash |
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# SPDX-License-Identifier: GPL-2.0 |
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lib_dir=$(dirname $0)/../../../net/forwarding |
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ALL_TESTS=" |
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autoneg |
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autoneg_force_mode |
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" |
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NUM_NETIFS=2 |
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: ${TIMEOUT:=30000} # ms |
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source $lib_dir/lib.sh |
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source $lib_dir/ethtool_lib.sh |
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setup_prepare() |
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{ |
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swp1=${NETIFS[p1]} |
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swp2=${NETIFS[p2]} |
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ip link set dev $swp1 up |
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ip link set dev $swp2 up |
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busywait "$TIMEOUT" wait_for_port_up ethtool $swp2 |
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check_err $? "ports did not come up" |
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local lanes_exist=$(ethtool $swp1 | grep 'Lanes:') |
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if [[ -z $lanes_exist ]]; then |
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log_test "SKIP: driver does not support lanes setting" |
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exit 1 |
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fi |
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ip link set dev $swp2 down |
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ip link set dev $swp1 down |
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} |
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check_lanes() |
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{ |
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local dev=$1; shift |
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local lanes=$1; shift |
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local max_speed=$1; shift |
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local chosen_lanes |
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chosen_lanes=$(ethtool $dev | grep 'Lanes:') |
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chosen_lanes=${chosen_lanes#*"Lanes: "} |
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((chosen_lanes == lanes)) |
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check_err $? "swp1 advertise $max_speed and $lanes, devs sync to $chosen_lanes" |
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} |
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check_unsupported_lanes() |
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{ |
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local dev=$1; shift |
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local max_speed=$1; shift |
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local max_lanes=$1; shift |
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local autoneg=$1; shift |
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local autoneg_str="" |
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local unsupported_lanes=$((max_lanes *= 2)) |
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if [[ $autoneg -eq 0 ]]; then |
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autoneg_str="autoneg off" |
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fi |
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ethtool -s $swp1 speed $max_speed lanes $unsupported_lanes $autoneg_str &> /dev/null |
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check_fail $? "Unsuccessful $unsupported_lanes lanes setting was expected" |
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} |
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max_speed_and_lanes_get() |
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{ |
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local dev=$1; shift |
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local arr=("$@") |
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local max_lanes |
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local max_speed |
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local -a lanes_arr |
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local -a speeds_arr |
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local -a max_values |
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for ((i=0; i<${#arr[@]}; i+=2)); do |
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speeds_arr+=("${arr[$i]}") |
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lanes_arr+=("${arr[i+1]}") |
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done |
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max_values+=($(get_max "${speeds_arr[@]}")) |
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max_values+=($(get_max "${lanes_arr[@]}")) |
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echo ${max_values[@]} |
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} |
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search_linkmode() |
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{ |
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local speed=$1; shift |
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local lanes=$1; shift |
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local arr=("$@") |
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for ((i=0; i<${#arr[@]}; i+=2)); do |
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if [[ $speed -eq ${arr[$i]} && $lanes -eq ${arr[i+1]} ]]; then |
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return 1 |
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fi |
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done |
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return 0 |
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} |
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autoneg() |
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{ |
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RET=0 |
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local lanes |
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local max_speed |
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local max_lanes |
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local -a linkmodes_params=($(dev_linkmodes_params_get $swp1 1)) |
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local -a max_values=($(max_speed_and_lanes_get $swp1 "${linkmodes_params[@]}")) |
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max_speed=${max_values[0]} |
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max_lanes=${max_values[1]} |
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lanes=$max_lanes |
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while [[ $lanes -ge 1 ]]; do |
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search_linkmode $max_speed $lanes "${linkmodes_params[@]}" |
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if [[ $? -eq 1 ]]; then |
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ethtool_set $swp1 speed $max_speed lanes $lanes |
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ip link set dev $swp1 up |
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ip link set dev $swp2 up |
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busywait "$TIMEOUT" wait_for_port_up ethtool $swp2 |
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check_err $? "ports did not come up" |
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check_lanes $swp1 $lanes $max_speed |
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log_test "$lanes lanes is autonegotiated" |
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fi |
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let $((lanes /= 2)) |
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done |
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check_unsupported_lanes $swp1 $max_speed $max_lanes 1 |
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log_test "Lanes number larger than max width is not set" |
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ip link set dev $swp2 down |
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ip link set dev $swp1 down |
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} |
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autoneg_force_mode() |
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{ |
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RET=0 |
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local lanes |
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local max_speed |
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local max_lanes |
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local -a linkmodes_params=($(dev_linkmodes_params_get $swp1 1)) |
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local -a max_values=($(max_speed_and_lanes_get $swp1 "${linkmodes_params[@]}")) |
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max_speed=${max_values[0]} |
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max_lanes=${max_values[1]} |
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lanes=$max_lanes |
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while [[ $lanes -ge 1 ]]; do |
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search_linkmode $max_speed $lanes "${linkmodes_params[@]}" |
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if [[ $? -eq 1 ]]; then |
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ethtool_set $swp1 speed $max_speed lanes $lanes autoneg off |
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ethtool_set $swp2 speed $max_speed lanes $lanes autoneg off |
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ip link set dev $swp1 up |
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ip link set dev $swp2 up |
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busywait "$TIMEOUT" wait_for_port_up ethtool $swp2 |
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check_err $? "ports did not come up" |
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check_lanes $swp1 $lanes $max_speed |
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log_test "Autoneg off, $lanes lanes detected during force mode" |
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fi |
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let $((lanes /= 2)) |
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done |
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check_unsupported_lanes $swp1 $max_speed $max_lanes 0 |
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log_test "Lanes number larger than max width is not set" |
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ip link set dev $swp2 down |
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ip link set dev $swp1 down |
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ethtool -s $swp2 autoneg on |
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ethtool -s $swp1 autoneg on |
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} |
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check_ethtool_lanes_support |
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setup_prepare |
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tests_run |
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exit $EXIT_STATUS
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