On Wed, 2018-06-27 at 16:15 +0200, Jesper Dangaard Brouer wrote: > On Tue, 26 Jun 2018 19:46:11 -0700 > Saeed Mahameed <sae...@dev.mellanox.co.il> wrote: > > > diff --git a/include/net/xdp.h b/include/net/xdp.h > > index 2deea7166a34..afe302613ae1 100644 > > --- a/include/net/xdp.h > > +++ b/include/net/xdp.h > > @@ -138,6 +138,12 @@ xdp_set_data_meta_invalid(struct xdp_buff > > *xdp) > > xdp->data_meta = xdp->data + 1; > > } > > > > +static __always_inline void > > +xdp_reset_data_meta(struct xdp_buff *xdp) > > +{ > > + xdp->data_meta = xdp->data_hard_start; > > +} > > This is WRONG ... it should be: > > xdp->data_meta = xdp->data; >
maybe the name of the function is not suitable for the use case. i need to set xdp->data_meta = xdp->data in the driver to start storing meta data.