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From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Aya Levin <ayal@nvidia.com>,
	Tariq Toukan <tariqt@nvidia.com>,
	Saeed Mahameed <saeedm@nvidia.com>
Subject: [net-next 05/12] net/mlx5e: Refactor RX reporter diagnostics
Date: Mon, 29 Mar 2021 21:27:34 -0700	[thread overview]
Message-ID: <20210330042741.198601-6-saeed@kernel.org> (raw)
In-Reply-To: <20210330042741.198601-1-saeed@kernel.org>

From: Aya Levin <ayal@nvidia.com>

Break RX diagnostics function into smaller helpers. This enables easier
enhancement in the next patch in the set.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 .../mellanox/mlx5/core/en/reporter_rx.c       | 104 +++++++++++-------
 1 file changed, 66 insertions(+), 38 deletions(-)

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 34b3b316b688..78d801bac8f5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_rx.c
@@ -230,8 +230,9 @@ static int mlx5e_reporter_icosq_diagnose(struct mlx5e_icosq *icosq, u8 hw_state,
 	return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
 }
 
-static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq,
-						   struct devlink_fmsg *fmsg)
+static int
+mlx5e_rx_reporter_build_diagnose_output_rq_common(struct mlx5e_rq *rq,
+						  struct devlink_fmsg *fmsg)
 {
 	u16 wqe_counter;
 	int wqes_sz;
@@ -247,14 +248,6 @@ static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *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)
-		return err;
-
-	err = devlink_fmsg_u32_pair_put(fmsg, "channel ix", rq->ix);
-	if (err)
-		return err;
-
 	err = devlink_fmsg_u32_pair_put(fmsg, "rqn", rq->rqn);
 	if (err)
 		return err;
@@ -300,61 +293,96 @@ static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq,
 			return err;
 	}
 
-	err = devlink_fmsg_obj_nest_end(fmsg);
+	return 0;
+}
+
+static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq,
+						   struct devlink_fmsg *fmsg)
+{
+	int err;
+
+	err = devlink_fmsg_obj_nest_start(fmsg);
 	if (err)
 		return err;
 
-	return 0;
+	err = devlink_fmsg_u32_pair_put(fmsg, "channel ix", rq->ix);
+	if (err)
+		return err;
+
+	err = mlx5e_rx_reporter_build_diagnose_output_rq_common(rq, fmsg);
+	if (err)
+		return err;
+
+	return devlink_fmsg_obj_nest_end(fmsg);
 }
 
-static int mlx5e_rx_reporter_diagnose(struct devlink_health_reporter *reporter,
-				      struct devlink_fmsg *fmsg,
-				      struct netlink_ext_ack *extack)
+static int mlx5e_rx_reporter_diagnose_generic_rq(struct mlx5e_rq *rq,
+						 struct devlink_fmsg *fmsg)
 {
-	struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
-	struct mlx5e_params *params = &priv->channels.params;
-	struct mlx5e_rq *generic_rq;
+	struct mlx5e_priv *priv = rq->priv;
+	struct mlx5e_params *params;
 	u32 rq_stride, rq_sz;
-	int i, err = 0;
-
-	mutex_lock(&priv->state_lock);
-
-	if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
-		goto unlock;
+	int err;
 
-	generic_rq = &priv->channels.c[0]->rq;
-	rq_sz = mlx5e_rqwq_get_size(generic_rq);
+	params = &priv->channels.params;
+	rq_sz = mlx5e_rqwq_get_size(rq);
 	rq_stride = BIT(mlx5e_mpwqe_get_log_stride_size(priv->mdev, params, NULL));
 
-	err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "Common config");
-	if (err)
-		goto unlock;
-
 	err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RQ");
 	if (err)
-		goto unlock;
+		return err;
 
 	err = devlink_fmsg_u8_pair_put(fmsg, "type", params->rq_wq_type);
 	if (err)
-		goto unlock;
+		return err;
 
 	err = devlink_fmsg_u64_pair_put(fmsg, "stride size", rq_stride);
 	if (err)
-		goto unlock;
+		return err;
 
 	err = devlink_fmsg_u32_pair_put(fmsg, "size", rq_sz);
 	if (err)
-		goto unlock;
+		return err;
 
-	err = mlx5e_health_cq_common_diag_fmsg(&generic_rq->cq, fmsg);
+	err = mlx5e_health_cq_common_diag_fmsg(&rq->cq, fmsg);
 	if (err)
-		goto unlock;
+		return err;
 
-	err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
+	return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
+}
+
+static int
+mlx5e_rx_reporter_diagnose_common_config(struct devlink_health_reporter *reporter,
+					 struct devlink_fmsg *fmsg)
+{
+	struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
+	struct mlx5e_rq *generic_rq = &priv->channels.c[0]->rq;
+	int err;
+
+	err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "Common config");
 	if (err)
+		return err;
+
+	err = mlx5e_rx_reporter_diagnose_generic_rq(generic_rq, fmsg);
+	if (err)
+		return err;
+
+	return mlx5e_health_fmsg_named_obj_nest_end(fmsg);
+}
+
+static int mlx5e_rx_reporter_diagnose(struct devlink_health_reporter *reporter,
+				      struct devlink_fmsg *fmsg,
+				      struct netlink_ext_ack *extack)
+{
+	struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
+	int i, err = 0;
+
+	mutex_lock(&priv->state_lock);
+
+	if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
 		goto unlock;
 
-	err = mlx5e_health_fmsg_named_obj_nest_end(fmsg);
+	err = mlx5e_rx_reporter_diagnose_common_config(reporter, fmsg);
 	if (err)
 		goto unlock;
 
-- 
2.30.2


  parent reply	other threads:[~2021-03-30  4:28 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-30  4:27 [pull request][net-next 00/12] mlx5 updates 2021-03-29 Saeed Mahameed
2021-03-30  4:27 ` [net-next 01/12] net/mlx5e: Add states to PTP channel Saeed Mahameed
2021-03-30 20:10   ` patchwork-bot+netdevbpf
2021-03-30  4:27 ` [net-next 02/12] net/mlx5e: Add RQ " Saeed Mahameed
2021-03-30  4:27 ` [net-next 03/12] net/mlx5e: Add PTP-RX statistics Saeed Mahameed
2021-03-30  4:27 ` [net-next 04/12] net:mlx5e: Add PTP-TIR and PTP-RQT Saeed Mahameed
2021-03-30  4:27 ` Saeed Mahameed [this message]
2021-03-30  4:27 ` [net-next 06/12] net/mlx5e: Add PTP RQ to RX reporter Saeed Mahameed
2021-03-30  4:27 ` [net-next 07/12] net/mlx5e: Cleanup Flow Steering level Saeed Mahameed
2021-03-30  4:27 ` [net-next 08/12] net/mlx5e: Introduce Flow Steering UDP API Saeed Mahameed
2021-03-30  4:27 ` [net-next 09/12] net/mlx5e: Introduce Flow Steering ANY API Saeed Mahameed
2021-03-30  4:27 ` [net-next 10/12] net/mlx5e: Add PTP Flow Steering support Saeed Mahameed
2021-03-30  4:27 ` [net-next 11/12] net/mlx5e: Allow coexistence of CQE compression and HW TS PTP Saeed Mahameed
2021-03-30  4:27 ` [net-next 12/12] net/mlx5e: Update ethtool setting of CQE compression Saeed Mahameed

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