Re: [PATCH bpf-next v3 10/21] ice: Implement VLAN tag hint

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On Thu, Jul 20, 2023 at 07:50:27PM +0100, Simon Horman wrote:
> On Wed, Jul 19, 2023 at 08:37:23PM +0200, Larysa Zaremba wrote:
> 
> ...
> 
> > diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
> > index b11cfaedb81c..4ad6db83674e 100644
> > --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
> > +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
> > @@ -639,7 +639,33 @@ static int ice_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash,
> >  	return 0;
> >  }
> >  
> > +/**
> > + * ice_xdp_rx_vlan_tag - VLAN tag XDP hint handler
> > + * @ctx: XDP buff pointer
> > + * @vlan_tci: destination address for VLAN tag
> > + * @vlan_proto: destination address for VLAN protocol
> > + *
> > + * Copy VLAN tag (if was stripped) and corresponding protocol
> > + * to the destination address.
> > + */
> > +static int ice_xdp_rx_vlan_tag(const struct xdp_md *ctx, u16 *vlan_tci,
> > +			       __be16 *vlan_proto)
> > +{
> > +	const struct ice_xdp_buff *xdp_ext = (void *)ctx;
> > +
> > +	*vlan_proto = xdp_ext->pkt_ctx.vlan_proto;
> > +	if (!*vlan_proto)
> > +		return -ENODATA;
> > +
> > +	*vlan_tci = ice_get_vlan_tci(xdp_ext->pkt_ctx.eop_desc);
> > +	if (!*vlan_tag)
> 
> Hi Larysa,
> 
> Should this be vlan_tci rather than vlan_tag?
> 

Yes! I have no idea, how this has happened >_<

> > +		return -ENODATA;
> > +
> > +	return 0;
> > +}
> > +
> 
> ...





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