On Mon, Jun 05, 2023 at 02:43:10PM -0700, Jakub Kicinski wrote:
> On Mon, 5 Jun 2023 16:44:24 +0200 Maciej Fijalkowski wrote:
> > diff --git a/include/uapi/linux/netdev.h b/include/uapi/linux/netdev.h
> > index 639524b59930..c293014a4197 100644
> > --- a/include/uapi/linux/netdev.h
> > +++ b/include/uapi/linux/netdev.h
> > @@ -24,6 +24,8 @@
> > * XDP buffer support in the driver napi callback.
> > * @NETDEV_XDP_ACT_NDO_XMIT_SG: This feature informs if netdev implements
> > * non-linear XDP buffer support in ndo_xdp_xmit callback.
> > + * @NETDEV_XDP_ACT_ZC_SG: This feature informs if netdev implements
> > + * non-linear XDP buffer support in AF_XDP zero copy mode.
> > */
> > enum netdev_xdp_act {
> > NETDEV_XDP_ACT_BASIC = 1,
> > @@ -33,8 +35,8 @@ enum netdev_xdp_act {
> > NETDEV_XDP_ACT_HW_OFFLOAD = 16,
> > NETDEV_XDP_ACT_RX_SG = 32,
> > NETDEV_XDP_ACT_NDO_XMIT_SG = 64,
> > -
> > - NETDEV_XDP_ACT_MASK = 127,
> > + NETDEV_XDP_ACT_ZC_SG = 128,
> > + NETDEV_XDP_ACT_MASK = 255,
>
> This is auto-generated, you need to make a change to
> Documentation/netlink/specs/netdev.yaml
> then run ./tools/net/ynl/ynl-regen.sh to regenerate the code
> (you may need to install python-yaml or some such package).
Oh boy I was not aware of this at all. Thanks for letting me know.
