net/mlx5e: Add helper to get the RQ WQE counter

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

$ devlink health diagnose pci/0000:00:0b.0 reporter rx
Common config:
  RQ:
     type: 2 stride size: 2048 size: 8
     CQ:
      stride size: 64 size: 1024
RQs:
   channel ix: 0 rqn: 2113 HW state: 1 SW state: 5 WQE counter: 7 posted WQEs: 7 cc: 7 ICOSQ HW state: 1
   CQ:
    cqn: 1032 HW status: 0
   channel ix: 1 rqn: 2118 HW state: 1 SW state: 5 WQE counter: 7 posted WQEs: 7 cc: 7 ICOSQ HW state: 1
   CQ:
    cqn: 1036 HW status: 0

Signed-off-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.h b/drivers/net/ethernet/mellanox/mlx5/core/wq.h
index 27dece35df7e..e5c4dcd1425e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/wq.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.h
@@ -172,6 +172,11 @@ static inline int mlx5_wq_cyc_cc_bigger(u16 cc1, u16 cc2)
 	return !equal && !smaller;
 }
 
+static inline u16 mlx5_wq_cyc_get_counter(struct mlx5_wq_cyc *wq)
+{
+	return wq->wqe_ctr;
+}
+
 static inline u32 mlx5_cqwq_get_size(struct mlx5_cqwq *wq)
 {
 	return wq->fbc.sz_m1 + 1;
@@ -294,4 +299,10 @@ static inline u16 mlx5_wq_ll_get_head(struct mlx5_wq_ll *wq)
 {
 	return wq->head;
 }
+
+static inline u16 mlx5_wq_ll_get_counter(struct mlx5_wq_ll *wq)
+{
+	return wq->wqe_ctr;
+}
+
 #endif /* __MLX5_WQ_H__ */