[01/12] common/cnxk: use computed value for wqe skip

  Use computed value for WQE skip instead of a hardcoded value.
WQE skip needs to be number of 128B lines to accommodate rte_mbuf.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
---
Depends-on: series=23500 ("common/cnxk: add cnf10kb support")

 drivers/common/cnxk/roc_nix_inl.h        | 2 +-
 drivers/common/cnxk/roc_nix_inl_priv.h   | 2 +-
 drivers/event/cnxk/cnxk_eventdev_adptr.c | 5 ++++-
 drivers/net/cnxk/cnxk_ethdev_sec.c       | 5 ++++-
 4 files changed, 10 insertions(+), 4 deletions(-)
  

On Thu, Jun 16, 2022 at 12:39 PM Nithin Dabilpuram
<ndabilpuram@marvell.com> wrote:
>
> Use computed value for WQE skip instead of a hardcoded value.
> WQE skip needs to be number of 128B lines to accommodate rte_mbuf.

Change wqe -> WQE in subject


>
> Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
> ---
> Depends-on: series=23500 ("common/cnxk: add cnf10kb support")
>
>  drivers/common/cnxk/roc_nix_inl.h        | 2 +-
>  drivers/common/cnxk/roc_nix_inl_priv.h   | 2 +-
>  drivers/event/cnxk/cnxk_eventdev_adptr.c | 5 ++++-
>  drivers/net/cnxk/cnxk_ethdev_sec.c       | 5 ++++-
>  4 files changed, 10 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/common/cnxk/roc_nix_inl.h b/drivers/common/cnxk/roc_nix_inl.h
> index b1b4c5b..c7b1817 100644
> --- a/drivers/common/cnxk/roc_nix_inl.h
> +++ b/drivers/common/cnxk/roc_nix_inl.h
> @@ -131,7 +131,7 @@ struct roc_nix_inl_dev {
>         uint16_t channel;
>         uint16_t chan_mask;
>         bool attach_cptlf;
> -       bool wqe_skip;
> +       uint16_t wqe_skip;
>         uint8_t spb_drop_pc;
>         uint8_t lpb_drop_pc;
>         bool set_soft_exp_poll;
> diff --git a/drivers/common/cnxk/roc_nix_inl_priv.h b/drivers/common/cnxk/roc_nix_inl_priv.h
> index d61c7b2..a775efc 100644
> --- a/drivers/common/cnxk/roc_nix_inl_priv.h
> +++ b/drivers/common/cnxk/roc_nix_inl_priv.h
> @@ -84,7 +84,7 @@ struct nix_inl_dev {
>         uint32_t ipsec_in_max_spi;
>         uint32_t inb_spi_mask;
>         bool attach_cptlf;
> -       bool wqe_skip;
> +       uint16_t wqe_skip;
>         bool ts_ena;
>  };
>
> diff --git a/drivers/event/cnxk/cnxk_eventdev_adptr.c b/drivers/event/cnxk/cnxk_eventdev_adptr.c
> index fa96090..cf5b1dd 100644
> --- a/drivers/event/cnxk/cnxk_eventdev_adptr.c
> +++ b/drivers/event/cnxk/cnxk_eventdev_adptr.c
> @@ -125,6 +125,7 @@ cnxk_sso_rxq_enable(struct cnxk_eth_dev *cnxk_eth_dev, uint16_t rq_id,
>  {
>         struct roc_nix *nix = &cnxk_eth_dev->nix;
>         struct roc_nix_rq *rq;
> +       uint16_t wqe_skip;
>         int rc;
>
>         rq = &cnxk_eth_dev->rqs[rq_id];
> @@ -132,7 +133,9 @@ cnxk_sso_rxq_enable(struct cnxk_eth_dev *cnxk_eth_dev, uint16_t rq_id,
>         rq->tt = ev->sched_type;
>         rq->hwgrp = ev->queue_id;
>         rq->flow_tag_width = 20;
> -       rq->wqe_skip = 1;
> +       wqe_skip = RTE_ALIGN_CEIL(sizeof(struct rte_mbuf), ROC_CACHE_LINE_SZ);
> +       wqe_skip = wqe_skip / ROC_CACHE_LINE_SZ;
> +       rq->wqe_skip = wqe_skip;
>         rq->tag_mask = (port_id & 0xF) << 20;
>         rq->tag_mask |= (((port_id >> 4) & 0xF) | (RTE_EVENT_TYPE_ETHDEV << 4))
>                         << 24;
> diff --git a/drivers/net/cnxk/cnxk_ethdev_sec.c b/drivers/net/cnxk/cnxk_ethdev_sec.c
> index d01ebb4..1de3454 100644
> --- a/drivers/net/cnxk/cnxk_ethdev_sec.c
> +++ b/drivers/net/cnxk/cnxk_ethdev_sec.c
> @@ -264,6 +264,7 @@ cnxk_nix_inl_dev_probe(struct rte_pci_driver *pci_drv,
>         char name[CNXK_NIX_INL_DEV_NAME_LEN];
>         struct roc_nix_inl_dev *inl_dev;
>         const struct rte_memzone *mz;
> +       uint16_t wqe_skip;
>         int rc = -ENOMEM;
>
>         RTE_SET_USED(pci_drv);
> @@ -295,7 +296,9 @@ cnxk_nix_inl_dev_probe(struct rte_pci_driver *pci_drv,
>
>         inl_dev->attach_cptlf = true;
>         /* WQE skip is one for DPDK */
> -       inl_dev->wqe_skip = true;
> +       wqe_skip = RTE_ALIGN_CEIL(sizeof(struct rte_mbuf), ROC_CACHE_LINE_SZ);
> +       wqe_skip = wqe_skip / ROC_CACHE_LINE_SZ;
> +       inl_dev->wqe_skip = wqe_skip;
>         inl_dev->set_soft_exp_poll = true;
>         rc = roc_nix_inl_dev_init(inl_dev);
>         if (rc) {
> --
> 2.8.4
>