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net/mlx5e: Add XSK RQ state flag for RQ devlink health diagnostics 

Currently RQ health diagnostics doesn't inform the user whether an RQ
is an XSK RQ or not.

Address this, by adding XSK state flag to RQ SW state enum in core/en.h.
XSK will be '1' if current RQ is an XSK RQ, and it will be '0' if it's
not.

In this example below, it can be seen that XSK field value is '1' since
xdpsock program have been attached to channel 0 before issuing the
devlink query command:

$ devlink health diagnose auxiliary/mlx5_core.eth.0/65535 reporter rx

Output:
=======================================================================
 Common config:
    RQ:
      type: 2 stride size: 4096 size: 16 ts_format: FRC
      CQ:
        stride size: 64 size: 1024
  RQs:
      channel ix: 0 rqn: 4236 HW state: 1 WQE counter: 15 posted WQEs: 15 cc: 15
        SW State:
          enabled: 1 recovering: 0 am: 1 no_csum_complete: 1 csum_full: 0 mini_cqe_hw_stridx: 1 shampo: 0 mini_cqe_enhanced: 0 xsk: 1
      CQ:
        cqn: 1085 HW status: 0 ci: 0 size: 1024
      EQ:
        eqn: 7 irqn: 32 vecidx: 0 ci: 5 size: 2048
      ICOSQ:
        sqn: 4229 HW state: 1 cc: 158 pc: 158 WQE size: 2048
        CQ:
          cqn: 1080 cc: 1 size: 2048

Signed-off-by: Adham Faris <afaris@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20230314054234.267365-10-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Adham Faris 2023-03-13 22:42:28 -07:00 committed by Jakub Kicinski
parent fc9d982a25
commit bb76d250e5
3 changed files with 10 additions and 2 deletions
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1
drivers/net/ethernet/mellanox/mlx5/core/en.h
View File

@ -348,6 +348,7 @@ enum {
MLX5E_RQ_STATE_MINI_CQE_HW_STRIDX, /* set when mini_cqe_resp_stride_index cap is used */
MLX5E_RQ_STATE_SHAMPO, /* set when SHAMPO cap is used */
MLX5E_RQ_STATE_MINI_CQE_ENHANCED, /* set when enhanced mini_cqe_cap is used */
MLX5E_RQ_STATE_XSK, /* set to indicate an xsk rq */
MLX5E_NUM_RQ_STATES, /* Must be kept last */
};

1
drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c
View File

@ -18,6 +18,7 @@ static const char * const rq_sw_state_type_name[] = {
[MLX5E_RQ_STATE_MINI_CQE_HW_STRIDX] = "mini_cqe_hw_stridx",
[MLX5E_RQ_STATE_SHAMPO] = "shampo",
[MLX5E_RQ_STATE_MINI_CQE_ENHANCED] = "mini_cqe_enhanced",
[MLX5E_RQ_STATE_XSK] = "xsk",
};
static int mlx5e_query_rq_state(struct mlx5_core_dev *dev, u32 rqn, u8 *state)

10
drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c
View File

@ -93,13 +93,19 @@ static int mlx5e_open_xsk_rq(struct mlx5e_channel *c, struct mlx5e_params *param
struct mlx5e_rq_param *rq_params, struct xsk_buff_pool *pool,
struct mlx5e_xsk_param *xsk)
{
struct mlx5e_rq *xskrq = &c->xskrq;
int err;
err = mlx5e_init_xsk_rq(c, params, pool, xsk, &c->xskrq);
err = mlx5e_init_xsk_rq(c, params, pool, xsk, xskrq);
if (err)
return err;
return mlx5e_open_rq(params, rq_params, xsk, cpu_to_node(c->cpu), &c->xskrq);
err = mlx5e_open_rq(params, rq_params, xsk, cpu_to_node(c->cpu), xskrq);
if (err)
return err;
__set_bit(MLX5E_RQ_STATE_XSK, &xskrq->state);
return 0;
}
int mlx5e_open_xsk(struct mlx5e_priv *priv, struct mlx5e_params *params,