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From 22b79810283de893e445fec4710fd5645cf90237 Mon Sep 17 00:00:00 2001
From: Alaa Hleihel <ahleihel@redhat.com>
Date: Sun, 10 May 2020 14:51:49 -0400
Subject: [PATCH 025/312] [netdrv] net/mlx5e: Extend tx reporter diagnostics
output
Message-id: <20200510145245.10054-27-ahleihel@redhat.com>
Patchwork-id: 306567
Patchwork-instance: patchwork
O-Subject: [RHEL8.3 BZ 1789378 v2 26/82] net/mlx5e: Extend tx reporter diagnostics output
Bugzilla: 1790198 1789378
RH-Acked-by: Kamal Heib <kheib@redhat.com>
RH-Acked-by: Jarod Wilson <jarod@redhat.com>
RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
RH-Acked-by: Jonathan Toppins <jtoppins@redhat.com>
Bugzilla: http://bugzilla.redhat.com/1789378
Bugzilla: http://bugzilla.redhat.com/1790198
Upstream: v5.4-rc1
commit 2d708887a4b1cb142c3179b3b1030dab047467b6
Author: Aya Levin <ayal@mellanox.com>
Date: Sun Jun 30 11:34:15 2019 +0300
net/mlx5e: Extend tx reporter diagnostics output
Enhance tx reporter's diagnostics output to include: information common
to all SQs: SQ size, SQ stride size.
In addition add channel ix, tc, txq ix, cc and pc.
$ devlink health diagnose pci/0000:00:0b.0 reporter tx
Common config:
SQ:
stride size: 64 size: 1024
SQs:
channel ix: 0 tc: 0 txq ix: 0 sqn: 4307 HW state: 1 stopped: false cc: 0 pc: 0
channel ix: 1 tc: 0 txq ix: 1 sqn: 4312 HW state: 1 stopped: false cc: 0 pc: 0
channel ix: 2 tc: 0 txq ix: 2 sqn: 4317 HW state: 1 stopped: false cc: 0 pc: 0
channel ix: 3 tc: 0 txq ix: 3 sqn: 4322 HW state: 1 stopped: false cc: 0 pc: 0
$ devlink health diagnose pci/0000:00:0b.0 reporter tx -jp
{
"Common config": {
"SQ": {
"stride size": 64,
"size": 1024
}
},
"SQs": [ {
"channel ix": 0,
"tc": 0,
"txq ix": 0,
"sqn": 4307,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0
},{
"channel ix": 1,
"tc": 0,
"txq ix": 1,
"sqn": 4312,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0
},{
"channel ix": 2,
"tc": 0,
"txq ix": 2,
"sqn": 4317,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0
},{
"channel ix": 3,
"tc": 0,
"txq ix": 3,
"sqn": 4322,
"HW state": 1,
"stopped": false,
"cc": 0,
"pc": 0
} ]
}
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Alaa Hleihel <ahleihel@redhat.com>
Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
---
.../net/ethernet/mellanox/mlx5/core/en/health.c | 30 ++++++++++
.../net/ethernet/mellanox/mlx5/core/en/health.h | 3 +
.../ethernet/mellanox/mlx5/core/en/reporter_tx.c | 69 +++++++++++++++++++---
3 files changed, 94 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/health.c b/drivers/net/ethernet/mellanox/mlx5/core/en/health.c
index fc3112921bd3..dab563f07157 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/health.c
@@ -4,6 +4,36 @@
#include "health.h"
#include "lib/eq.h"
+int mlx5e_reporter_named_obj_nest_start(struct devlink_fmsg *fmsg, char *name)
+{
+ int err;
+
+ err = devlink_fmsg_pair_nest_start(fmsg, name);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_obj_nest_start(fmsg);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+int mlx5e_reporter_named_obj_nest_end(struct devlink_fmsg *fmsg)
+{
+ int err;
+
+ err = devlink_fmsg_obj_nest_end(fmsg);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_pair_nest_end(fmsg);
+ if (err)
+ return err;
+
+ return 0;
+}
+
int mlx5e_health_sq_to_ready(struct mlx5e_channel *channel, u32 sqn)
{
struct mlx5_core_dev *mdev = channel->mdev;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/health.h b/drivers/net/ethernet/mellanox/mlx5/core/en/health.h
index 386bda6104aa..112771ad516c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/health.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/health.h
@@ -11,6 +11,9 @@ void mlx5e_reporter_tx_destroy(struct mlx5e_priv *priv);
void mlx5e_reporter_tx_err_cqe(struct mlx5e_txqsq *sq);
int mlx5e_reporter_tx_timeout(struct mlx5e_txqsq *sq);
+int mlx5e_reporter_named_obj_nest_start(struct devlink_fmsg *fmsg, char *name);
+int mlx5e_reporter_named_obj_nest_end(struct devlink_fmsg *fmsg);
+
#define MLX5E_REPORTER_PER_Q_MAX_LEN 256
struct mlx5e_err_ctx {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
index b9429ff8d9c4..a5d0fcbb85af 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
@@ -146,7 +146,7 @@ static int mlx5e_tx_reporter_recover(struct devlink_health_reporter *reporter,
static int
mlx5e_tx_reporter_build_diagnose_output(struct devlink_fmsg *fmsg,
- struct mlx5e_txqsq *sq)
+ struct mlx5e_txqsq *sq, int tc)
{
struct mlx5e_priv *priv = sq->channel->priv;
bool stopped = netif_xmit_stopped(sq->txq);
@@ -161,6 +161,18 @@ mlx5e_tx_reporter_build_diagnose_output(struct devlink_fmsg *fmsg,
if (err)
return err;
+ err = devlink_fmsg_u32_pair_put(fmsg, "channel ix", sq->ch_ix);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_u32_pair_put(fmsg, "tc", tc);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_u32_pair_put(fmsg, "txq ix", sq->txq_ix);
+ if (err)
+ return err;
+
err = devlink_fmsg_u32_pair_put(fmsg, "sqn", sq->sqn);
if (err)
return err;
@@ -173,6 +185,14 @@ mlx5e_tx_reporter_build_diagnose_output(struct devlink_fmsg *fmsg,
if (err)
return err;
+ err = devlink_fmsg_u32_pair_put(fmsg, "cc", sq->cc);
+ if (err)
+ return err;
+
+ err = devlink_fmsg_u32_pair_put(fmsg, "pc", sq->pc);
+ if (err)
+ return err;
+
err = devlink_fmsg_obj_nest_end(fmsg);
if (err)
return err;
@@ -184,24 +204,57 @@ static int mlx5e_tx_reporter_diagnose(struct devlink_health_reporter *reporter,
struct devlink_fmsg *fmsg)
{
struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter);
- int i, err = 0;
+ struct mlx5e_txqsq *generic_sq = priv->txq2sq[0];
+ u32 sq_stride, sq_sz;
+
+ int i, tc, err = 0;
mutex_lock(&priv->state_lock);
if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
goto unlock;
+ sq_sz = mlx5_wq_cyc_get_size(&generic_sq->wq);
+ sq_stride = MLX5_SEND_WQE_BB;
+
+ err = mlx5e_reporter_named_obj_nest_start(fmsg, "Common Config");
+ if (err)
+ goto unlock;
+
+ err = mlx5e_reporter_named_obj_nest_start(fmsg, "SQ");
+ if (err)
+ goto unlock;
+
+ err = devlink_fmsg_u64_pair_put(fmsg, "stride size", sq_stride);
+ if (err)
+ goto unlock;
+
+ err = devlink_fmsg_u32_pair_put(fmsg, "size", sq_sz);
+ if (err)
+ goto unlock;
+
+ err = mlx5e_reporter_named_obj_nest_end(fmsg);
+ if (err)
+ goto unlock;
+
+ err = mlx5e_reporter_named_obj_nest_end(fmsg);
+ if (err)
+ goto unlock;
+
err = devlink_fmsg_arr_pair_nest_start(fmsg, "SQs");
if (err)
goto unlock;
- for (i = 0; i < priv->channels.num * priv->channels.params.num_tc;
- i++) {
- struct mlx5e_txqsq *sq = priv->txq2sq[i];
+ for (i = 0; i < priv->channels.num; i++) {
+ struct mlx5e_channel *c = priv->channels.c[i];
+
+ for (tc = 0; tc < priv->channels.params.num_tc; tc++) {
+ struct mlx5e_txqsq *sq = &c->sq[tc];
- err = mlx5e_tx_reporter_build_diagnose_output(fmsg, sq);
- if (err)
- goto unlock;
+ err = mlx5e_tx_reporter_build_diagnose_output(fmsg, sq, tc);
+ if (err)
+ goto unlock;
+ }
}
err = devlink_fmsg_arr_pair_nest_end(fmsg);
if (err)
--
2.13.6
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