diff options
| author | Tariq Toukan <tariqt@nvidia.com> | 2022-05-03 11:47:54 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2023-01-11 08:24:40 +0300 |
| commit | 0fedee1ae9efccd424882f929c3905f0790e12ec (patch) | |
| tree | 34611e80408bf8ce413daf09a00c49de09e4e331 /drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c | |
| parent | 288eca60cc31471670dcd351cc42c03a38e11983 (diff) | |
| download | linux-0fedee1ae9efccd424882f929c3905f0790e12ec.tar.xz | |
net/mlx5e: kTLS, Add debugfs
Add TLS debugfs to improve observability by exposing the size of the tls
TX pool.
To observe the size of the TX pool:
$ cat /sys/kernel/debug/mlx5/<pci>/nic/tls/tx/pool_size
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Co-developed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c index 78072bf93f3f..6db27062b765 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB // Copyright (c) 2019 Mellanox Technologies. +#include <linux/debugfs.h> #include "en_accel/ktls.h" #include "en_accel/ktls_txrx.h" #include "en_accel/ktls_utils.h" @@ -886,8 +887,24 @@ err_out: return false; } +static void mlx5e_tls_tx_debugfs_init(struct mlx5e_tls *tls, + struct dentry *dfs_root) +{ + if (IS_ERR_OR_NULL(dfs_root)) + return; + + tls->debugfs.dfs_tx = debugfs_create_dir("tx", dfs_root); + if (!tls->debugfs.dfs_tx) + return; + + debugfs_create_size_t("pool_size", 0400, tls->debugfs.dfs_tx, + &tls->tx_pool->size); +} + int mlx5e_ktls_init_tx(struct mlx5e_priv *priv) { + struct mlx5e_tls *tls = priv->tls; + if (!mlx5e_is_ktls_tx(priv->mdev)) return 0; @@ -895,6 +912,8 @@ int mlx5e_ktls_init_tx(struct mlx5e_priv *priv) if (!priv->tls->tx_pool) return -ENOMEM; + mlx5e_tls_tx_debugfs_init(tls, tls->debugfs.dfs); + return 0; } @@ -903,6 +922,9 @@ void mlx5e_ktls_cleanup_tx(struct mlx5e_priv *priv) if (!mlx5e_is_ktls_tx(priv->mdev)) return; + debugfs_remove_recursive(priv->tls->debugfs.dfs_tx); + priv->tls->debugfs.dfs_tx = NULL; + mlx5e_tls_tx_pool_cleanup(priv->tls->tx_pool); priv->tls->tx_pool = NULL; } |