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Date:   Tue, 18 Aug 2020 19:43:00 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, Vivien Didelot <vivien.didelot@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] net: dsa: loop: Return VLAN table size through
 devlink

On Mon, Aug 17, 2020 at 09:03:54PM -0700, Florian Fainelli wrote:
> We return the VLAN table size through devlink as a simple parameter, we
> do not support altering it at runtime:
> 
> devlink resource show mdio_bus/fixed-0:1f
> mdio_bus/fixed-0:1f:
>   name VTU size 4096 occ 4096 unit entry dpipe_tables none

Hi Florian

The occ 4096 looks wrong. It is supposed to show the occupancy, how
many are in use. 

> +static u64 dsa_loop_devlink_vtu_get(void *priv)
> +{
> +	struct dsa_loop_priv *ps = priv;
> +
> +	return ARRAY_SIZE(ps->vlans);
> +}

So this should probably be looping over all vlan IDs and counting those
with members?

	Andrew

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