diff mbox series

[v5,bpf,11/11] i40e: update xdp_rxq_info::frag_size for ZC enabled Rx queue

Message ID 20240122221610.556746-12-maciej.fijalkowski@intel.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series net: bpf_xdp_adjust_tail() and Intel mbuf fixes | expand

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Commit Message

Maciej Fijalkowski Jan. 22, 2024, 10:16 p.m. UTC 
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.

Fixes: 1c9ba9c14658 ("i40e: xsk: add RX multi-buffer support")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
---
 drivers/net/ethernet/intel/i40e/i40e_main.c | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Magnus Karlsson Jan. 24, 2024, 8:52 a.m. UTC | #1 
On Mon, 22 Jan 2024 at 23:18, Maciej Fijalkowski
<maciej.fijalkowski@intel.com> 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@intel.com>

> Fixes: 1c9ba9c14658 ("i40e: xsk: add RX multi-buffer support")
> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
> ---
>  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
>
>
diff mbox series

Patch

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);