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selftests: forwarding: ethtool_mm: fall back to aggregate if device does not report pMAC stats

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Some devices do not support individual 'pmac' and 'emac' stats.
For such devices, resort to 'aggregate' stats.

Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean 2023-12-19 12:57:57 +02:00 committed by David S. Miller
parent 2491d66ae6
commit c8659bd9d1
2 changed files with 20 additions and 0 deletions
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11
tools/testing/selftests/net/forwarding/ethtool_mm.sh
View File

@ -25,6 +25,10 @@ traffic_test()
local after=
local delta=
if [ ${has_pmac_stats[$if]} = false ]; then
src="aggregate"
fi
before=$(ethtool_std_stats_get $if "eth-mac" "FramesTransmittedOK" $src)
$MZ $if -q -c $num_pkts -p 64 -b bcast -t ip -R $PREEMPTIBLE_PRIO
@ -317,6 +321,13 @@ for netif in ${NETIFS[@]}; do
echo "SKIP: $netif does not support MAC Merge"
exit $ksft_skip
fi
if check_ethtool_pmac_std_stats_support $netif eth-mac; then
has_pmac_stats[$netif]=true
else
has_pmac_stats[$netif]=false
echo "$netif does not report pMAC statistics, falling back to aggregate"
fi
done
trap cleanup EXIT

9
tools/testing/selftests/net/forwarding/lib.sh
View File

@ -155,6 +155,15 @@ check_ethtool_counter_group_support()
fi
}
check_ethtool_pmac_std_stats_support()
{
local dev=$1; shift
local grp=$1; shift
[ 0 -ne $(ethtool --json -S $dev --all-groups --src pmac 2>/dev/null \
| jq ".[].\"$grp\" | length") ]
}
check_locked_port_support()
{
if ! bridge -d link show | grep -q " locked"; then