04cfbc1d89
Currently, this script sets up the test scenario, which is supposed to end in an inability of the system to negotiate a link. It then waits for a bit, and verifies that the system can diagnose why the link was not established. The wait time for the scenario where different link speeds are forced on the two ends of a loopback cable, was set to 4 seconds, which exactly covered it. As of a recent mlxsw firmware update, this time gets longer, and this test starts failing. The time that selftests currently wait for links to be established is currently $WAIT_TIMEOUT, or 20 seconds. It seems reasonable that if this is the time necessary to establish and bring up a link, it should also be enough to determine that a link cannot be established and why. Therefore in this patch, convert the sleeps to busywaits, so that if a failure is established sooner (as is expected), the test runs quicker. And use $WAIT_TIMEOUT as the time to wait. Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Amit Cohen <amcohen@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
116 lines
2.1 KiB
Bash
Executable File
116 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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ALL_TESTS="
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autoneg
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autoneg_force_mode
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no_cable
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"
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NUM_NETIFS=2
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source lib.sh
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source ethtool_lib.sh
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TIMEOUT=$((WAIT_TIMEOUT * 1000)) # ms
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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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swp3=$NETIF_NO_CABLE
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}
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ethtool_ext_state()
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{
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local dev=$1; shift
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local expected_ext_state=$1; shift
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local expected_ext_substate=${1:-""}; shift
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local ext_state=$(ethtool $dev | grep "Link detected" \
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| cut -d "(" -f2 | cut -d ")" -f1)
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local ext_substate=$(echo $ext_state | cut -sd "," -f2 \
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| sed -e 's/^[[:space:]]*//')
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ext_state=$(echo $ext_state | cut -d "," -f1)
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if [[ $ext_state != $expected_ext_state ]]; then
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echo "Expected \"$expected_ext_state\", got \"$ext_state\""
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return 1
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fi
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if [[ $ext_substate != $expected_ext_substate ]]; then
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echo "Expected \"$expected_ext_substate\", got \"$ext_substate\""
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return 1
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fi
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}
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autoneg()
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{
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local msg
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RET=0
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ip link set dev $swp1 up
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msg=$(busywait $TIMEOUT ethtool_ext_state $swp1 \
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"Autoneg" "No partner detected")
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check_err $? "$msg"
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log_test "Autoneg, No partner detected"
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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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local msg
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RET=0
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ip link set dev $swp1 up
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ip link set dev $swp2 up
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local -a speeds_arr=($(different_speeds_get $swp1 $swp2 0 0))
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local speed1=${speeds_arr[0]}
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local speed2=${speeds_arr[1]}
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ethtool_set $swp1 speed $speed1 autoneg off
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ethtool_set $swp2 speed $speed2 autoneg off
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msg=$(busywait $TIMEOUT ethtool_ext_state $swp1 \
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"Autoneg" "No partner detected during force mode")
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check_err $? "$msg"
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msg=$(busywait $TIMEOUT ethtool_ext_state $swp2 \
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"Autoneg" "No partner detected during force mode")
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check_err $? "$msg"
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log_test "Autoneg, No partner detected during force mode"
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ethtool -s $swp2 autoneg on
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ethtool -s $swp1 autoneg on
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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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no_cable()
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{
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local msg
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RET=0
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ip link set dev $swp3 up
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msg=$(busywait $TIMEOUT ethtool_ext_state $swp3 "No cable")
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check_err $? "$msg"
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log_test "No cable"
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ip link set dev $swp3 down
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}
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setup_prepare
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tests_run
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exit $EXIT_STATUS
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