diff options
| author |   Saeed Mahameed <saeedm@mellanox.com> | 2019-05-07 08:56:38 -0700 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2019-11-01 14:55:16 -0700 |
| commit | 130c7b46c93d313ca07d85a30d90021e424c7e9b (patch) | |
| tree | 99a4c7f483cd626278746842891e6aad75f6986a /drivers/net/ethernet/mellanox/mlx5/core | |
| parent | net/mlx5: Support lockless FTE read lookups (diff) | |
| download | linux-dev-130c7b46c93d313ca07d85a30d90021e424c7e9b.tar.xz linux-dev-130c7b46c93d313ca07d85a30d90021e424c7e9b.zip | |
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/wq.c | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/wq.h | 1 |
3 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index d3a67a9b4eba..29730f52e315 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -458,8 +458,14 @@ 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 @@ err_db_free: 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, |