Commit fc42d0de authored by Aya Levin's avatar Aya Levin Committed by Saeed Mahameed
Browse files

net/mlx5e: Add helper to get RQ WQE's head 



Add helper which retrieves the RQ WQE's head. Use this helper in RX
reporter diagnose callback.

Signed-off-by: default avatarAya Levin <ayal@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 5d95c816

drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c

+1 −4
Original line number Diff line number Diff line
@@ -181,7 +181,6 @@ static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq, 
						   struct devlink_fmsg *fmsg)

{

	struct mlx5e_priv *priv = rq->channel->priv;

	struct mlx5e_params *params;

	struct mlx5e_icosq *icosq;

	u8 icosq_hw_state;

	int wqes_sz;
@@ -189,7 +188,6 @@ static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq, 
	u16 wq_head;

	int err;



	params = &priv->channels.params;

	icosq = &rq->channel->icosq;

	err = mlx5e_query_rq_state(priv->mdev, rq->rqn, &hw_state);

	if (err)
@@ -200,8 +198,7 @@ static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq, 
		return err;



	wqes_sz = mlx5e_rqwq_get_cur_sz(rq);

	wq_head = params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ ?

		  rq->mpwqe.wq.head : mlx5_wq_cyc_get_head(&rq->wqe.wq);

	wq_head = mlx5e_rqwq_get_head(rq);



	err = devlink_fmsg_obj_nest_start(fmsg);

	if (err)

drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h

+10 −0
Original line number Diff line number Diff line
@@ -304,6 +304,16 @@ static inline u32 mlx5e_rqwq_get_cur_sz(struct mlx5e_rq *rq) 
	}

}



static inline u16 mlx5e_rqwq_get_head(struct mlx5e_rq *rq)

{

	switch (rq->wq_type) {

	case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:

		return mlx5_wq_ll_get_head(&rq->mpwqe.wq);

	default:

		return mlx5_wq_cyc_get_head(&rq->wqe.wq);

	}

}



/* SW parser related functions */



struct mlx5e_swp_spec {

drivers/net/ethernet/mellanox/mlx5/core/wq.h

+4 −0
Original line number Diff line number Diff line
@@ -290,4 +290,8 @@ static inline void mlx5_wq_ll_update_db_record(struct mlx5_wq_ll *wq) 
	*wq->db = cpu_to_be32(wq->wqe_ctr);

}



static inline u16 mlx5_wq_ll_get_head(struct mlx5_wq_ll *wq)

{

	return wq->head;

}

#endif /* __MLX5_WQ_H__ */