You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
4.7 KiB
116 lines
4.7 KiB
From cb1711c38d4d4209ecb17851818a4c7e2a3176c3 Mon Sep 17 00:00:00 2001
|
|
From: Alaa Hleihel <ahleihel@redhat.com>
|
|
Date: Sun, 10 May 2020 15:04:09 -0400
|
|
Subject: [PATCH 091/312] [netdrv] net/mlx5e: TX, Dump WQs wqe descriptors on
|
|
CQE with error events
|
|
|
|
Message-id: <20200510150452.10307-45-ahleihel@redhat.com>
|
|
Patchwork-id: 306668
|
|
Patchwork-instance: patchwork
|
|
O-Subject: [RHEL8.3 BZ 1789380 v2 44/87] net/mlx5e: TX, Dump WQs wqe descriptors on CQE with error events
|
|
Bugzilla: 1789380
|
|
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/1789380
|
|
Upstream: v5.5-rc1
|
|
|
|
commit 130c7b46c93d313ca07d85a30d90021e424c7e9b
|
|
Author: Saeed Mahameed <saeedm@mellanox.com>
|
|
Date: Tue May 7 08:56:38 2019 -0700
|
|
|
|
net/mlx5e: TX, Dump WQs wqe descriptors on CQE with error events
|
|
|
|
Dump the Work Queue's TX WQE descriptor when a completion with
|
|
error is received.
|
|
|
|
Example:
|
|
[5.331832] mlx5_core 0000:00:04.0 enp0s4: Error cqe on cqn 0xa, ci 0x1, TXQ-SQ qpn 0xe, opcode 0xd, syndrome 0x2, vendor syndrome 0x0
|
|
[5.333127] 00000000: 55 65 02 75 31 fe c2 d2 6b 6c 62 1e f9 e1 d8 5c
|
|
[5.333837] 00000010: d3 b2 6c b8 89 e4 84 20 0b f4 3c e0 f3 75 41 ca
|
|
[5.334568] 00000020: 46 00 00 00 cd 70 a0 92 18 3a 01 de 00 00 00 00
|
|
[5.335313] 00000030: 7d bc 05 89 b2 e9 00 02 1e 00 00 0e 00 00 30 d2
|
|
[5.335972] WQE DUMP: WQ size 1024 WQ cur size 0, WQE index 0x0, len: 64
|
|
[5.336710] 00000000: 00 00 00 1e 00 00 0e 04 00 00 00 08 00 00 00 00
|
|
[5.337524] 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 12 33 33
|
|
[5.338151] 00000020: 00 00 00 16 52 54 00 00 00 01 86 dd 60 00 00 00
|
|
[5.338740] 00000030: 00 00 00 48 00 00 00 00 00 00 00 00 66 ba 58 14
|
|
|
|
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
|
Signed-off-by: Tariq Toukan <tariqt@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>
|
|
---
|
|
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 6 ++++++
|
|
drivers/net/ethernet/mellanox/mlx5/core/wq.c | 18 ++++++++++++++++++
|
|
drivers/net/ethernet/mellanox/mlx5/core/wq.h | 1 +
|
|
3 files changed, 25 insertions(+)
|
|
|
|
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
|
|
index 001752ace7f0..3ce27194ee7e 100644
|
|
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
|
|
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
|
|
@@ -462,8 +462,14 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
|
|
if (unlikely(get_cqe_opcode(cqe) == MLX5_CQE_REQ_ERR)) {
|
|
if (!test_and_set_bit(MLX5E_SQ_STATE_RECOVERING,
|
|
&sq->state)) {
|
|
+ struct mlx5e_tx_wqe_info *wi;
|
|
+ u16 ci;
|
|
+
|
|
+ ci = mlx5_wq_cyc_ctr2ix(&sq->wq, sqcc);
|
|
+ wi = &sq->db.wqe_info[ci];
|
|
mlx5e_dump_error_cqe(sq,
|
|
(struct mlx5_err_cqe *)cqe);
|
|
+ mlx5_wq_cyc_wqe_dump(&sq->wq, ci, wi->num_wqebbs);
|
|
queue_work(cq->channel->priv->wq,
|
|
&sq->recover_work);
|
|
}
|
|
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.c b/drivers/net/ethernet/mellanox/mlx5/core/wq.c
|
|
index dd2315ce4441..dab2625e1e59 100644
|
|
--- a/drivers/net/ethernet/mellanox/mlx5/core/wq.c
|
|
+++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.c
|
|
@@ -96,6 +96,24 @@ int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
|
|
return err;
|
|
}
|
|
|
|
+void mlx5_wq_cyc_wqe_dump(struct mlx5_wq_cyc *wq, u16 ix, u8 nstrides)
|
|
+{
|
|
+ size_t len;
|
|
+ void *wqe;
|
|
+
|
|
+ if (!net_ratelimit())
|
|
+ return;
|
|
+
|
|
+ nstrides = max_t(u8, nstrides, 1);
|
|
+
|
|
+ len = nstrides << wq->fbc.log_stride;
|
|
+ wqe = mlx5_wq_cyc_get_wqe(wq, ix);
|
|
+
|
|
+ pr_info("WQE DUMP: WQ size %d WQ cur size %d, WQE index 0x%x, len: %ld\n",
|
|
+ mlx5_wq_cyc_get_size(wq), wq->cur_sz, ix, len);
|
|
+ print_hex_dump(KERN_WARNING, "", DUMP_PREFIX_OFFSET, 16, 1, wqe, len, false);
|
|
+}
|
|
+
|
|
int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
|
|
void *qpc, struct mlx5_wq_qp *wq,
|
|
struct mlx5_wq_ctrl *wq_ctrl)
|
|
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.h b/drivers/net/ethernet/mellanox/mlx5/core/wq.h
|
|
index 55791f71a778..27338c3c6136 100644
|
|
--- a/drivers/net/ethernet/mellanox/mlx5/core/wq.h
|
|
+++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.h
|
|
@@ -79,6 +79,7 @@ struct mlx5_wq_ll {
|
|
int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
|
|
void *wqc, struct mlx5_wq_cyc *wq,
|
|
struct mlx5_wq_ctrl *wq_ctrl);
|
|
+void mlx5_wq_cyc_wqe_dump(struct mlx5_wq_cyc *wq, u16 ix, u8 nstrides);
|
|
u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq);
|
|
|
|
int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
|
|
--
|
|
2.13.6
|
|
|