[dpdk-dev] [RFC v2 2/5] ethdev: change input parameters for rx_queue_count

[Wang, Haiyue]

> -----Original Message-----
> From: Ananyev, Konstantin <konstantin.ananyev at intel.com>
> Sent: Wednesday, September 22, 2021 22:10
> To: dev at dpdk.org
> Cc: Li, Xiaoyun <xiaoyun.li at intel.com>; anoobj at marvell.com; jerinj at marvell.com;
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> <johndale at cisco.com>; hyonkim at cisco.com; Zhang, Qi Z <qi.z.zhang at intel.com>; Wang, Xiao W
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> Chenbo <chenbo.xia at intel.com>; thomas at monjalon.net; Yigit, Ferruh <ferruh.yigit at intel.com>;
> mdr at ashroe.eu; Jayatheerthan, Jay <jay.jayatheerthan at intel.com>; Ananyev, Konstantin
> <konstantin.ananyev at intel.com>
> Subject: [RFC v2 2/5] ethdev: change input parameters for rx_queue_count
> 
> Currently majority of 'fast' ethdev ops take pointers to internal
> queue data structures as an input parameter.
> While eth_rx_queue_count() takes a pointer to rte_eth_dev and queue
> index.
> For future work to hide rte_eth_devices[] and friends it would be
> plausible to unify parameters list of all 'fast' ethdev ops.
> This patch changes eth_rx_queue_count() to accept pointer to internal
> queue data as input parameter.
> This is an API and ABI breakage.
> 
> Signed-off-by: Konstantin Ananyev <konstantin.ananyev at intel.com>
> ---
>  drivers/net/ark/ark_ethdev_rx.c         |  4 ++--
>  drivers/net/ark/ark_ethdev_rx.h         |  3 +--
>  drivers/net/atlantic/atl_ethdev.h       |  2 +-
>  drivers/net/atlantic/atl_rxtx.c         |  9 ++-------
>  drivers/net/bnxt/bnxt_ethdev.c          |  8 +++++---
>  drivers/net/dpaa/dpaa_ethdev.c          |  9 ++++-----
>  drivers/net/dpaa2/dpaa2_ethdev.c        |  9 ++++-----
>  drivers/net/e1000/e1000_ethdev.h        |  6 ++----
>  drivers/net/e1000/em_rxtx.c             |  4 ++--
>  drivers/net/e1000/igb_rxtx.c            |  4 ++--
>  drivers/net/enic/enic_ethdev.c          | 12 ++++++------
>  drivers/net/fm10k/fm10k.h               |  2 +-
>  drivers/net/fm10k/fm10k_rxtx.c          |  4 ++--
>  drivers/net/hns3/hns3_rxtx.c            |  7 +++++--
>  drivers/net/hns3/hns3_rxtx.h            |  2 +-
>  drivers/net/i40e/i40e_rxtx.c            |  4 ++--
>  drivers/net/i40e/i40e_rxtx.h            |  3 +--
>  drivers/net/iavf/iavf_rxtx.c            |  4 ++--
>  drivers/net/iavf/iavf_rxtx.h            |  2 +-
>  drivers/net/ice/ice_rxtx.c              |  4 ++--
>  drivers/net/ice/ice_rxtx.h              |  2 +-
>  drivers/net/igc/igc_txrx.c              |  5 ++---
>  drivers/net/igc/igc_txrx.h              |  3 +--
>  drivers/net/ixgbe/ixgbe_ethdev.h        |  3 +--
>  drivers/net/ixgbe/ixgbe_rxtx.c          |  4 ++--
>  drivers/net/mlx5/mlx5_rx.c              | 26 ++++++++++++-------------
>  drivers/net/mlx5/mlx5_rx.h              |  2 +-
>  drivers/net/netvsc/hn_rxtx.c            |  4 ++--
>  drivers/net/netvsc/hn_var.h             |  2 +-
>  drivers/net/nfp/nfp_rxtx.c              |  4 ++--
>  drivers/net/nfp/nfp_rxtx.h              |  3 +--
>  drivers/net/octeontx2/otx2_ethdev.h     |  2 +-
>  drivers/net/octeontx2/otx2_ethdev_ops.c |  8 ++++----
>  drivers/net/sfc/sfc_ethdev.c            | 12 ++++++------
>  drivers/net/thunderx/nicvf_ethdev.c     |  3 +--
>  drivers/net/thunderx/nicvf_rxtx.c       |  4 ++--
>  drivers/net/thunderx/nicvf_rxtx.h       |  2 +-
>  drivers/net/txgbe/txgbe_ethdev.h        |  3 +--
>  drivers/net/txgbe/txgbe_rxtx.c          |  4 ++--
>  drivers/net/vhost/rte_eth_vhost.c       |  4 ++--
>  lib/ethdev/rte_ethdev.h                 |  2 +-
>  lib/ethdev/rte_ethdev_core.h            |  3 +--
>  42 files changed, 97 insertions(+), 110 deletions(-)
> 
> diff --git a/drivers/net/ark/ark_ethdev_rx.c b/drivers/net/ark/ark_ethdev_rx.c
> index d255f0177b..98658ce621 100644
> --- a/drivers/net/ark/ark_ethdev_rx.c
> +++ b/drivers/net/ark/ark_ethdev_rx.c
> @@ -388,11 +388,11 @@ eth_ark_rx_queue_drain(struct ark_rx_queue *queue)
>  }
> 
>  uint32_t
> -eth_ark_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_id)
> +eth_ark_dev_rx_queue_count(void *rx_queue)
>  {
>  	struct ark_rx_queue *queue;

Just change it to be one line : " struct ark_rx_queue *queue = rx_queue;" ?

> 
> -	queue = dev->data->rx_queues[queue_id];
> +	queue = rx_queue;
>  	return (queue->prod_index - queue->cons_index);	/* mod arith */
>  }


> --
> 2.26.3