Re: [PATCH net-next v2 2/2] net: mscc: ocelot: Hardware ofload for tc flower filter

From: David Miller
Date: Thu May 30 2019 - 15:56:12 EST


From: Jakub Kicinski <jakub.kicinski@xxxxxxxxxxxxx>
Date: Wed, 29 May 2019 15:18:44 -0700

> On Wed, 29 May 2019 12:26:20 +0200, Horatiu Vultur wrote:
>> +static int ocelot_flower_replace(struct tc_cls_flower_offload *f,
>> + struct ocelot_port_block *port_block)
>> +{
>> + struct ocelot_ace_rule *rule;
>> + int ret;
>> +
>> + if (port_block->port->tc.block_shared)
>> + return -EOPNOTSUPP;
>
> FWIW since you only support TRAP and DROP actions here (AFAICT) you
> should actually be okay with shared blocks. The problems with shared
> blocks start when the action is stateful (like act_police), because we
> can't share that state between devices. But for most actions which just
> maintain statistics, it's fine to allow shared blocks. HTH

Please update to remove this test Horatiu, thanks.