[dpdk-dev] [PATCH] common/octeotx2: add support for C0 silicon version

[Jerin Jacob]

On Mon, Jan 13, 2020 at 10:33 AM Nithin Dabilpuram
<ndabilpuram at marvell.com> wrote:
>
> Avoid using PCI subsystem device id for SoC revision
> identification and just use PCI revision id to support C0 silicon.
> This patch also reduces SQB threshold to 70% to have
> sufficient buffer before we overflow SQ.
>
> Signed-off-by: Nithin Dabilpuram <ndabilpuram at marvell.com>

Fixed the typo in subject s/octeotx2/octeontx2/

Acked-by: Jerin Jacob <jerinj at marvell.com>
Applied to dpdk-next-net-mrvl/master. Thanks

> ---
>  drivers/common/octeontx2/otx2_common.h | 3 ---
>  drivers/common/octeontx2/otx2_dev.h    | 6 +-----
>  drivers/net/octeontx2/otx2_ethdev.h    | 2 +-
>  3 files changed, 2 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/common/octeontx2/otx2_common.h b/drivers/common/octeontx2/otx2_common.h
> index f62c45d..c64d373 100644
> --- a/drivers/common/octeontx2/otx2_common.h
> +++ b/drivers/common/octeontx2/otx2_common.h
> @@ -124,9 +124,6 @@ extern int otx2_logtype_dpi;
>  #define PCI_DEVID_OCTEONTX2_RVU_SDP_PF         0xA0f6
>  #define PCI_DEVID_OCTEONTX2_RVU_SDP_VF         0xA0f7
>
> -/* Subsystem Device ID */
> -#define PCI_SUBSYS_DEVID_96XX_95XX             0xB200
> -
>  /*
>   * REVID for RVU PCIe devices.
>   * Bits 0..1: minor pass
> diff --git a/drivers/common/octeontx2/otx2_dev.h b/drivers/common/octeontx2/otx2_dev.h
> index 7d9839c..0b0a949 100644
> --- a/drivers/common/octeontx2/otx2_dev.h
> +++ b/drivers/common/octeontx2/otx2_dev.h
> @@ -103,11 +103,7 @@ otx2_dev_init(struct rte_pci_device *pci_dev, void *otx2_dev)
>                 return rc;
>         }
>
> -       if (pci_dev->id.subsystem_device_id == PCI_SUBSYS_DEVID_96XX_95XX)
> -               dev->hwcap = rev_id;
> -       else
> -               dev->hwcap = 0;
> -
> +       dev->hwcap = rev_id;
>         return otx2_dev_priv_init(pci_dev, otx2_dev);
>  }
>
> diff --git a/drivers/net/octeontx2/otx2_ethdev.h b/drivers/net/octeontx2/otx2_ethdev.h
> index 987e760..7f1d0f0 100644
> --- a/drivers/net/octeontx2/otx2_ethdev.h
> +++ b/drivers/net/octeontx2/otx2_ethdev.h
> @@ -79,7 +79,7 @@
>  #define NIX_RX_NB_SEG_MAX              6
>  #define NIX_CQ_ENTRY_SZ                        128
>  #define NIX_CQ_ALIGN                   512
> -#define NIX_SQB_LOWER_THRESH           90
> +#define NIX_SQB_LOWER_THRESH           70
>  #define LMT_SLOT_MASK                  0x7f
>  #define NIX_RX_DEFAULT_RING_SZ         4096
>
> --
> 2.8.4
>