[PATCH net-next 1/3] net: airoha: Add l2_flows rhashtable

[Michal Kubiak]

On Tue, Apr 08, 2025 at 06:49:40PM +0200, Lorenzo Bianconi wrote:
> > On Mon, Apr 07, 2025 at 04:18:30PM +0200, Lorenzo Bianconi wrote:
> > > Introduce l2_flows rhashtable in airoha_ppe struct in order to
> > > store L2 flows committed by upper layers of the kernel. This is a
> > > preliminary patch in order to offload L2 traffic rules.
> > > 
> > > Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>
> > 
> > The patch logic and coding style looks OK to me.
> > Just one question inline.
> > 
> > Thanks,
> > Michal
> > 
> > > ---
> > >  drivers/net/ethernet/airoha/airoha_eth.h | 15 ++++++-
> > >  drivers/net/ethernet/airoha/airoha_ppe.c | 67 +++++++++++++++++++++++++++-----
> > >  2 files changed, 72 insertions(+), 10 deletions(-)
> > > 
> > > diff --git a/drivers/net/ethernet/airoha/airoha_eth.h b/drivers/net/ethernet/airoha/airoha_eth.h
> > > index ec8908f904c61988c3dc973e187596c49af139fb..57925648155b104021c10821096ba267c9c7cef6 100644
> > > --- a/drivers/net/ethernet/airoha/airoha_eth.h
> > > +++ b/drivers/net/ethernet/airoha/airoha_eth.h
> > > @@ -422,12 +422,23 @@ struct airoha_flow_data {
> > >  	} pppoe;
> > >  };
> > >  
> > > +enum airoha_flow_entry_type {
> > > +	FLOW_TYPE_L4,
> > 
> > I didn't find any usage of L4 flow type in the series.
> > Is that reserved for future series? Shouldn't it be added together with
> > its usage then?
> 
> Hi Michal,
> 
> FLOW_TYPE_L4 is equal to 0 so it is the default value for
> airoha_flow_table_entry type when not set explicitly.
> It is done this way to reduce code changes.
> 
> Regards,
> Lorenzo
>

Thanks, Lorenzo! I'm OK with that.

Regards,
Reviewed-by: Michal Kubiak <michal.kubiak at intel.com>