Hi David,

Strangely I don't see this series from Dmitry on patchwork, but emails seems
reached the list correctly:

https://lore.kernel.org/netdev/20200831094326.0mIWCNw1jJrHOif9nW17zot9j5BvO_ZP0orBrhmv6KE@z/

Could you please help with that?

Thanks,
  Igor

On 31/08/2020 12:43 pm, Dmitry Bogdanov wrote:
> In CMT and NPAR the PF is unknown when the GFS block processes the
> packet. Therefore cannot use searcher as it has a per PF database,
> and thus ARFS must be disabled.
> 
> Fixes: d51e4af5c209 ("qed: aRFS infrastructure support")
> Signed-off-by: Manish Chopra <mani...@marvell.com>
> Signed-off-by: Igor Russkikh <irussk...@marvell.com>
> Signed-off-by: Michal Kalderon <michal.kalde...@marvell.com>
> Signed-off-by: Dmitry Bogdanov <dbogda...@marvell.com>
> ---
>  drivers/net/ethernet/qlogic/qed/qed_dev.c  | 11 ++++++++++-
>  drivers/net/ethernet/qlogic/qed/qed_l2.c   |  3 +++
>  drivers/net/ethernet/qlogic/qed/qed_main.c |  2 ++
>  include/linux/qed/qed_if.h                 |  1 +
>  4 files changed, 16 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c
> b/drivers/net/ethernet/qlogic/qed/qed_dev.c
> index b3c9ebaf2280..c78a48ae9ea6 100644
> --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
> +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
> @@ -4253,7 +4253,8 @@ static int qed_hw_get_nvm_info(struct qed_hwfn
> *p_hwfn, struct qed_ptt *p_ptt)
>                       cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) |
>                                       BIT(QED_MF_LLH_PROTO_CLSS) |
>                                       BIT(QED_MF_LL2_NON_UNICAST) |
> -                                     BIT(QED_MF_INTER_PF_SWITCH);
> +                                     BIT(QED_MF_INTER_PF_SWITCH) |
> +                                     BIT(QED_MF_DISABLE_ARFS);
>                       break;
>               case NVM_CFG1_GLOB_MF_MODE_DEFAULT:
>                       cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) |
> @@ -4266,6 +4267,14 @@ static int qed_hw_get_nvm_info(struct qed_hwfn
> *p_hwfn, struct qed_ptt *p_ptt)
>  
>               DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n",
>                       cdev->mf_bits);
> +
> +             /* In CMT the PF is unknown when the GFS block processes
> the
> +              * packet. Therefore cannot use searcher as it has a per
> PF
> +              * database, and thus ARFS must be disabled.
> +              *
> +              */
> +             if (QED_IS_CMT(cdev))
> +                     cdev->mf_bits |= BIT(QED_MF_DISABLE_ARFS);
>       }
>  
>       DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n",
> diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c
> b/drivers/net/ethernet/qlogic/qed/qed_l2.c
> index 4c6ac8862744..07824bf9d68d 100644
> --- a/drivers/net/ethernet/qlogic/qed/qed_l2.c
> +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c
> @@ -1980,6 +1980,9 @@ void qed_arfs_mode_configure(struct qed_hwfn
> *p_hwfn,
>                            struct qed_ptt *p_ptt,
>                            struct qed_arfs_config_params *p_cfg_params)
>  {
> +     if (test_bit(QED_MF_DISABLE_ARFS, &p_hwfn->cdev->mf_bits))
> +             return;
> +
>       if (p_cfg_params->mode != QED_FILTER_CONFIG_MODE_DISABLE) {
>               qed_gft_config(p_hwfn, p_ptt, p_hwfn->rel_pf_id,
>                              p_cfg_params->tcp,
> diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c
> b/drivers/net/ethernet/qlogic/qed/qed_main.c
> index 2558cb680db3..309216ff7a84 100644
> --- a/drivers/net/ethernet/qlogic/qed/qed_main.c
> +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
> @@ -444,6 +444,8 @@ int qed_fill_dev_info(struct qed_dev *cdev,
>               dev_info->fw_eng = FW_ENGINEERING_VERSION;
>               dev_info->b_inter_pf_switch =
> test_bit(QED_MF_INTER_PF_SWITCH,
>                                                      &cdev->mf_bits);
> +             if (!test_bit(QED_MF_DISABLE_ARFS, &cdev->mf_bits))
> +                     dev_info->b_arfs_capable = true;
>               dev_info->tx_switching = true;
>  
>               if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME)
> diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
> index cd6a5c7e56eb..cdd73afc4c46 100644
> --- a/include/linux/qed/qed_if.h
> +++ b/include/linux/qed/qed_if.h
> @@ -623,6 +623,7 @@ struct qed_dev_info {
>  #define QED_MFW_VERSION_3_OFFSET     24
>  
>       u32             flash_size;
> +     bool            b_arfs_capable;
>       bool            b_inter_pf_switch;
>       bool            tx_switching;
>       bool            rdma_supported;
> 

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