On Mon, 22 Jan 2024 at 23:18, Maciej Fijalkowski
<maciej.fijalkowski@xxxxxxxxx> wrote:
>
> Now that i40e driver correctly sets up frag_size in xdp_rxq_info, let us
> make it work for ZC multi-buffer as well. i40e_ring::rx_buf_len for ZC
> is being set via xsk_pool_get_rx_frame_size() and this needs to be
> propagated up to xdp_rxq_info.
Acked-by: Magnus Karlsson <magnus.karlsson@xxxxxxxxx>
> Fixes: 1c9ba9c14658 ("i40e: xsk: add RX multi-buffer support")
> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
> ---
> drivers/net/ethernet/intel/i40e/i40e_main.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
> index f8d513499607..7b091ce64cc7 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
> +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
> @@ -3609,7 +3609,14 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)
>
> ring->xsk_pool = i40e_xsk_pool(ring);
> if (ring->xsk_pool) {
> + xdp_rxq_info_unreg(&ring->xdp_rxq);
> ring->rx_buf_len = xsk_pool_get_rx_frame_size(ring->xsk_pool);
> + err = __xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev,
> + ring->queue_index,
> + ring->q_vector->napi.napi_id,
> + ring->rx_buf_len);
> + if (err)
> + return err;
> err = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
> MEM_TYPE_XSK_BUFF_POOL,
> NULL);
> --
> 2.34.1
>
>
