Subject: Re: [PATCH net-next v3 1/9] selftests: forwarding: extend ethtool_std_stats_get with pause statistics

From: Petr Machata <[email-masked]>
Date: Fri, 20 Mar 2026 12:20:01 +0100

Ioana Ciornei <[email-masked]> writes:

> Even though pause frame statistics are not exported through the same
> ethtool command, there is no point in adding another helper just for
> them. Extent the ethtool_std_stats_get() function so that we are able to
> interrogate using the same helper all the standard statistics.
>
> And since we are touching the else case, convert that as well to the jq
> --arg form in order to be easier to read.
>
> Signed-off-by: Ioana Ciornei <[email-masked]>
> ---
> Changes in v3:
> - none
> Changes in v2:
> - convert jq to the --arg usage form
>
>  tools/testing/selftests/net/forwarding/lib.sh | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
> index a9034f0bb58b..cf40cb766c68 100644
> --- a/tools/testing/selftests/net/forwarding/lib.sh
> +++ b/tools/testing/selftests/net/forwarding/lib.sh
> @@ -831,8 +831,12 @@ ethtool_std_stats_get()
>  	local name=$1; shift
>  	local src=$1; shift
>  
> -	ethtool --json -S $dev --groups $grp -- --src $src | \
> -		jq '.[]."'"$grp"'"."'$name'"'
> +	if [[ "$grp" == "pause" ]]; then
> +		ethtool -I --json -a "$dev" | jq --arg name "$name" '.[].statistics[$name]'

I missed this overlong line. Fold it, please. The R-b applies with this change.

> +	else
> +		ethtool --json -S "$dev" --groups "$grp" -- --src "$src" | \
> +			jq --arg grp "$grp" --arg name "$name" '.[][$grp][$name]'
> +	fi
>  }
>  
>  qdisc_stats_get()