188 lines
3.9 KiB
Bash
Executable File
188 lines
3.9 KiB
Bash
Executable File
#!/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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