Subject: Re: [PATCH net-next] net/mlx5e: Enable mac forwarding on uplink representor

From: Jakub Kicinski <[email-masked]>
Date: Tue, 17 Mar 2026 14:36:53 -0700

On Tue, 17 Mar 2026 11:12:15 -0700 Saeed Mahameed wrote:
> On 11 Mar 20:33, Jakub Kicinski wrote:
> >On Tue, 10 Mar 2026 12:48:41 +0200 Tariq Toukan wrote:  
> >> This small patch enables mac forwarding to MPFs via uplink representor,  
> >
> >"mac forwarding to MPF via uplink representor"
> >Can't wrap my head around this "via". Could you explain this better?
> >Perhaps some tool can spit out a little diagram to make the flow clear?
> >  
> 
> Mac forwarding in the sense of linux bridge mac forwarding mechanism which
> requires set_rx_mode ndo to be implemented. 
> 
> Linux-bridge --> mlx5-uplink-rep --> set_rx_mode --> set up mac in HW.

And the actual forwarding happens in SW bridge? This is just to
configure the Rx filter not to discard on Rx?