On Thu, Jan 23, 2025 at 10:45:36AM +0000, Simon Horman wrote:
> On Wed, Jan 22, 2025 at 04:10:46PM +0100, Maciej Fijalkowski wrote:
> > Idea behind having ice_rx_buf::act was to simplify and speed up the Rx
> > data path by walking through buffers that were representing cleaned HW
> > Rx descriptors. Since it caused us a major headache recently and we
> > rolled back to old approach that 'puts' Rx buffers right after running
> > XDP prog/creating skb, this is useless now and should be removed.
> >
> > Get rid of ice_rx_buf::act and related logic. We still need to take care
> > of a corner case where XDP program releases a particular fragment.
> >
> > Make ice_run_xdp() to return its result and use it within
> > ice_put_rx_mbuf().
> >
> > Fixes: 2fba7dc5157b ("ice: Add support for XDP multi-buffer on Rx side")
> > Reviewed-by: Przemek Kitszel <przemyslaw.kits...@intel.com>
> > Signed-off-by: Maciej Fijalkowski <maciej.fijalkow...@intel.com>
> > ---
> > drivers/net/ethernet/intel/ice/ice_txrx.c | 61 +++++++++++--------
> > drivers/net/ethernet/intel/ice/ice_txrx.h | 1 -
> > drivers/net/ethernet/intel/ice/ice_txrx_lib.h | 43 -------------
> > 3 files changed, 35 insertions(+), 70 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c
> > b/drivers/net/ethernet/intel/ice/ice_txrx.c
>
> ...
>
> > @@ -1139,23 +1136,27 @@ ice_put_rx_buf(struct ice_rx_ring *rx_ring, struct
> > ice_rx_buf *rx_buf)
> > * returned by XDP program;
> > */
> > static void ice_put_rx_mbuf(struct ice_rx_ring *rx_ring, struct xdp_buff
> > *xdp,
> > - u32 *xdp_xmit, u32 ntc)
> > + u32 *xdp_xmit, u32 ntc, u32 verdict)
>
> Hi Marciej,
>
> Sorry, there is one more Kernel doc nit. As reported by the Kernel Test
> Robot, verdict should be added to the Kernel doc for this function.
Yeah that is embarrassing. I have now included
./scripts/kernel-doc -none $FILE
to my pre-upstreaming checks so that it won't be happening again...
(or is there a way to run the kernel-doc against patch itself?)
>
> With that addressed feel free to add:
>
> Reviewed-by: Simon Horman <ho...@kernel.org>
Thanks! Will include them in v5.
>
> ...
