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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#shellcheck disable=SC2034 # SC does not see the global variables
#shellcheck disable=SC2317,SC2329 # unused functions
ALL_TESTS="
test_eth_ctrl_stats
test_eth_mac_stats
test_pause_stats
"
: "${DRIVER_TEST_CONFORMANT:=yes}"
STABLE_MAC_ADDRS=yes
NUM_NETIFS=2
lib_dir=$(dirname "$0")
# shellcheck source=./../../../net/forwarding/lib.sh
source "$lib_dir"/../../../net/forwarding/lib.sh
# shellcheck source=./../../../kselftest/ktap_helpers.sh
source "$lib_dir"/../../../kselftest/ktap_helpers.sh
UINT32_MAX=$((2**32 - 1))
SUBTESTS=0
TEST_NAME=$(basename "$0" .sh)
traffic_test()
{
local iface=$1; shift
local neigh=$1; shift
local num_tx=$1; shift
local pkt_format="$1"; shift
local -a counters=("$@")
local int grp cnt target exact_check
local before after delta
local num_rx=$((num_tx * 2))
local xfail_message
local src="aggregate"
local i
for i in "${!counters[@]}"; do
read -r int grp cnt target exact_check xfail_message \
<<< "${counters[$i]}"
before[i]=$(ethtool_std_stats_get "$int" "$grp" "$cnt" "$src")
done
# shellcheck disable=SC2086 # needs split options
run_on "$iface" "$MZ" "$iface" -q -c "$num_tx" $pkt_format
# shellcheck disable=SC2086 # needs split options
run_on "$neigh" "$MZ" "$neigh" -q -c "$num_rx" $pkt_format
for i in "${!counters[@]}"; do
read -r int grp cnt target exact_check xfail_message \
<<< "${counters[$i]}"
after[i]=$(ethtool_std_stats_get "$int" "$grp" "$cnt" "$src")
if [[ "${after[$i]}" == "null" ]]; then
ktap_test_skip "$TEST_NAME.$grp-$cnt"
continue;
fi
delta=$((after[i] - before[i]))
if [ "$exact_check" -ne 0 ]; then
[ "$delta" -eq "$target" ]
else
[ "$delta" -ge "$target" ] && \
[ "$delta" -le "$UINT32_MAX" ]
fi
err="$?"
if [[ $err != 0 ]] && [[ -n $xfail_message ]]; then
ktap_print_msg "$xfail_message"
ktap_test_xfail "$TEST_NAME.$grp-$cnt"
continue;
fi
if [[ $err != 0 ]]; then
ktap_print_msg "$grp-$cnt is not valid on $int (expected $target, got $delta)"
ktap_test_fail "$TEST_NAME.$grp-$cnt"
else
ktap_test_pass "$TEST_NAME.$grp-$cnt"
fi
done
}
test_eth_ctrl_stats()
{
local pkt_format="-a own -b bcast 88:08 -p 64"
local num_pkts=1000
local -a counters
counters=("$h1 eth-ctrl MACControlFramesTransmitted $num_pkts 0")
traffic_test "$h1" "$h2" "$num_pkts" "$pkt_format" \
"${counters[@]}"
counters=("$h1 eth-ctrl MACControlFramesReceived $num_pkts 0")
traffic_test "$h2" "$h1" "$num_pkts" "$pkt_format" \
"${counters[@]}"
}
SUBTESTS=$((SUBTESTS + 2))
test_eth_mac_stats()
{
local pkt_size=100
local pkt_size_fcs=$((pkt_size + 4))
local bcast_pkt_format="-a own -b bcast -p $pkt_size"
local mcast_pkt_format="-a own -b 01:00:5E:00:00:01 -p $pkt_size"
local num_pkts=2000
local octets=$((pkt_size_fcs * num_pkts))
local -a counters error_cnt collision_cnt
# Error counters should be exactly zero
counters=("$h1 eth-mac FrameCheckSequenceErrors 0 1"
"$h1 eth-mac AlignmentErrors 0 1"
"$h1 eth-mac FramesLostDueToIntMACXmitError 0 1"
"$h1 eth-mac CarrierSenseErrors 0 1"
"$h1 eth-mac FramesLostDueToIntMACRcvError 0 1"
"$h1 eth-mac InRangeLengthErrors 0 1"
"$h1 eth-mac OutOfRangeLengthField 0 1"
"$h1 eth-mac FrameTooLongErrors 0 1"
"$h1 eth-mac FramesAbortedDueToXSColls 0 1")
traffic_test "$h1" "$h2" "$num_pkts" "$bcast_pkt_format" \
"${counters[@]}"
# Collision related counters should also be zero
counters=("$h1 eth-mac SingleCollisionFrames 0 1"
"$h1 eth-mac MultipleCollisionFrames 0 1"
"$h1 eth-mac FramesWithDeferredXmissions 0 1"
"$h1 eth-mac LateCollisions 0 1"
"$h1 eth-mac FramesWithExcessiveDeferral 0 1")
traffic_test "$h1" "$h2" "$num_pkts" "$bcast_pkt_format" \
"${counters[@]}"
counters=("$h1 eth-mac BroadcastFramesXmittedOK $num_pkts 0"
"$h1 eth-mac OctetsTransmittedOK $octets 0")
traffic_test "$h1" "$h2" "$num_pkts" "$bcast_pkt_format" \
"${counters[@]}"
counters=("$h1 eth-mac BroadcastFramesReceivedOK $num_pkts 0"
"$h1 eth-mac OctetsReceivedOK $octets 0")
traffic_test "$h2" "$h1" "$num_pkts" "$bcast_pkt_format" \
"${counters[@]}"
counters=("$h1 eth-mac FramesTransmittedOK $num_pkts 0"
"$h1 eth-mac MulticastFramesXmittedOK $num_pkts 0")
traffic_test "$h1" "$h2" "$num_pkts" "$mcast_pkt_format" \
"${counters[@]}"
counters=("$h1 eth-mac FramesReceivedOK $num_pkts 0"
"$h1 eth-mac MulticastFramesReceivedOK $num_pkts 0")
traffic_test "$h2" "$h1" "$num_pkts" "$mcast_pkt_format" \
"${counters[@]}"
}
SUBTESTS=$((SUBTESTS + 22))
test_pause_stats()
{
local pkt_format="-a own -b 01:80:c2:00:00:01 88:08:00:01:00:01"
local xfail_message="software sent pause frames not detected"
local num_pkts=2000
local -a counters
local int
local i
# Check that there is pause frame support
for ((i = 1; i <= NUM_NETIFS; ++i)); do
int="${NETIFS[p$i]}"
if ! run_on "$int" ethtool -I --json -a "$int" > /dev/null 2>&1; then
ktap_test_skip "$TEST_NAME.tx_pause_frames"
ktap_test_skip "$TEST_NAME.rx_pause_frames"
return
fi
done
counters=("$h1 pause tx_pause_frames $num_pkts 0 $xfail_message")
traffic_test "$h1" "$h2" "$num_pkts" "$pkt_format" \
"${counters[@]}"
counters=("$h1 pause rx_pause_frames $num_pkts 0")
traffic_test "$h2" "$h1" "$num_pkts" "$pkt_format" \
"${counters[@]}"
}
SUBTESTS=$((SUBTESTS + 2))
setup_prepare()
{
local iface
h1=${NETIFS[p1]}
h2=${NETIFS[p2]}
h2_mac=$(mac_get "$h2")
}
ktap_print_header
ktap_set_plan $SUBTESTS
check_ethtool_counter_group_support
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
ktap_finished
|
