From fc42d0de16debb2c8ba83e1345a55a18ff87e2d9 Mon Sep 17 00:00:00 2001 From: Aya Levin Date: Thu, 30 Apr 2020 13:36:26 +0300 Subject: 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: Aya Levin Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h') diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h index ed9e0b8a6f9e..d787e8fc2e99 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h @@ -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 { -- cgit