netdev - Re: [PATCH net-next] net: dsa: loop: Return VLAN table size through devlink

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Tue, 18 Aug 2020 13:07:57 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Andrew Lunn <andrew@...n.ch>
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 8/18/2020 10:43 AM, Andrew Lunn wrote:
> 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?

Yes, I sent an incorrect version, thanks!
-- 
Florian