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>
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c
index f0e639e..bec8042 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c
@@ -183,6 +183,7 @@ static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq,
struct mlx5e_priv *priv = rq->channel->priv;
struct mlx5e_icosq *icosq;
u8 icosq_hw_state;
+ u16 wqe_counter;
int wqes_sz;
u8 hw_state;
u16 wq_head;
@@ -199,6 +200,7 @@ static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq,
wqes_sz = mlx5e_rqwq_get_cur_sz(rq);
wq_head = mlx5e_rqwq_get_head(rq);
+ wqe_counter = mlx5e_rqwq_get_wqe_counter(rq);
err = devlink_fmsg_obj_nest_start(fmsg);
if (err)
@@ -220,6 +222,10 @@ static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq,
if (err)
return err;
+ err = devlink_fmsg_u32_pair_put(fmsg, "WQE counter", wqe_counter);
+ if (err)
+ return err;
+
err = devlink_fmsg_u32_pair_put(fmsg, "posted WQEs", wqes_sz);
if (err)
return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
index d787e8f..cf425a6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
@@ -314,6 +314,16 @@ static inline u16 mlx5e_rqwq_get_head(struct mlx5e_rq *rq)
}
}
+static inline u16 mlx5e_rqwq_get_wqe_counter(struct mlx5e_rq *rq)
+{
+ switch (rq->wq_type) {
+ case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
+ return mlx5_wq_ll_get_counter(&rq->mpwqe.wq);
+ default:
+ return mlx5_wq_cyc_get_counter(&rq->wqe.wq);
+ }
+}
+
/* SW parser related functions */
struct mlx5e_swp_spec {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.h b/drivers/net/ethernet/mellanox/mlx5/core/wq.h
index 27dece3..e5c4dcd 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__ */