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Message-Id: <3f7001272e4dc51fcef031bf896a7e01a2b4b7f6.1649578827.git.leonro@nvidia.com>
Date: Sun, 10 Apr 2022 11:28:19 +0300
From: Leon Romanovsky <leon@...nel.org>
To: Paolo Abeni <pabeni@...hat.com>, Jakub Kicinski <kuba@...nel.org>,
"David S . Miller" <davem@...emloft.net>
Cc: Leon Romanovsky <leonro@...dia.com>,
Jason Gunthorpe <jgg@...dia.com>,
Saeed Mahameed <saeedm@...dia.com>,
linux-netdev <netdev@...r.kernel.org>,
RDMA mailing list <linux-rdma@...r.kernel.org>,
Raed Salem <raeds@...dia.com>
Subject: [PATCH mlx5-next 01/17] net/mlx5: Simplify IPsec flow steering init/cleanup functions
From: Leon Romanovsky <leonro@...dia.com>
Cleanup IPsec FS initialization and cleanup functions.
Reviewed-by: Raed Salem <raeds@...dia.com>
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
---
.../mellanox/mlx5/core/en_accel/ipsec.c | 4 +-
.../mellanox/mlx5/core/en_accel/ipsec_fs.c | 73 ++++++-------------
.../mellanox/mlx5/core/en_accel/ipsec_fs.h | 4 +-
3 files changed, 27 insertions(+), 54 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
index c280a18ff002..5a10755dd4f1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
@@ -424,7 +424,7 @@ int mlx5e_ipsec_init(struct mlx5e_priv *priv)
}
priv->ipsec = ipsec;
- mlx5e_accel_ipsec_fs_init(priv);
+ mlx5e_ipsec_fs_init(ipsec);
netdev_dbg(priv->netdev, "IPSec attached to netdevice\n");
return 0;
}
@@ -436,7 +436,7 @@ void mlx5e_ipsec_cleanup(struct mlx5e_priv *priv)
if (!ipsec)
return;
- mlx5e_accel_ipsec_fs_cleanup(priv);
+ mlx5e_ipsec_fs_cleanup(ipsec);
destroy_workqueue(ipsec->wq);
kfree(ipsec);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c
index 66b529e36ea1..869b5692e9b9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c
@@ -632,81 +632,54 @@ void mlx5e_accel_ipsec_fs_del_rule(struct mlx5e_priv *priv,
tx_del_rule(priv, ipsec_rule);
}
-static void fs_cleanup_tx(struct mlx5e_priv *priv)
-{
- mutex_destroy(&priv->ipsec->tx_fs->mutex);
- WARN_ON(priv->ipsec->tx_fs->refcnt);
- kfree(priv->ipsec->tx_fs);
- priv->ipsec->tx_fs = NULL;
-}
-
-static void fs_cleanup_rx(struct mlx5e_priv *priv)
+void mlx5e_ipsec_fs_cleanup(struct mlx5e_ipsec *ipsec)
{
struct mlx5e_accel_fs_esp_prot *fs_prot;
struct mlx5e_accel_fs_esp *accel_esp;
enum accel_fs_esp_type i;
- accel_esp = priv->ipsec->rx_fs;
+ if (!ipsec->rx_fs)
+ return;
+
+ mutex_destroy(&ipsec->tx_fs->mutex);
+ WARN_ON(ipsec->tx_fs->refcnt);
+ kfree(ipsec->tx_fs);
+
+ accel_esp = ipsec->rx_fs;
for (i = 0; i < ACCEL_FS_ESP_NUM_TYPES; i++) {
fs_prot = &accel_esp->fs_prot[i];
mutex_destroy(&fs_prot->prot_mutex);
WARN_ON(fs_prot->refcnt);
}
- kfree(priv->ipsec->rx_fs);
- priv->ipsec->rx_fs = NULL;
-}
-
-static int fs_init_tx(struct mlx5e_priv *priv)
-{
- priv->ipsec->tx_fs =
- kzalloc(sizeof(struct mlx5e_ipsec_tx), GFP_KERNEL);
- if (!priv->ipsec->tx_fs)
- return -ENOMEM;
-
- mutex_init(&priv->ipsec->tx_fs->mutex);
- return 0;
+ kfree(ipsec->rx_fs);
}
-static int fs_init_rx(struct mlx5e_priv *priv)
+int mlx5e_ipsec_fs_init(struct mlx5e_ipsec *ipsec)
{
struct mlx5e_accel_fs_esp_prot *fs_prot;
struct mlx5e_accel_fs_esp *accel_esp;
enum accel_fs_esp_type i;
+ int err = -ENOMEM;
- priv->ipsec->rx_fs =
- kzalloc(sizeof(struct mlx5e_accel_fs_esp), GFP_KERNEL);
- if (!priv->ipsec->rx_fs)
+ ipsec->tx_fs = kzalloc(sizeof(*ipsec->tx_fs), GFP_KERNEL);
+ if (!ipsec->tx_fs)
return -ENOMEM;
- accel_esp = priv->ipsec->rx_fs;
+ ipsec->rx_fs = kzalloc(sizeof(*ipsec->rx_fs), GFP_KERNEL);
+ if (!ipsec->rx_fs)
+ goto err_rx;
+
+ mutex_init(&ipsec->tx_fs->mutex);
+
+ accel_esp = ipsec->rx_fs;
for (i = 0; i < ACCEL_FS_ESP_NUM_TYPES; i++) {
fs_prot = &accel_esp->fs_prot[i];
mutex_init(&fs_prot->prot_mutex);
}
return 0;
-}
-
-void mlx5e_accel_ipsec_fs_cleanup(struct mlx5e_priv *priv)
-{
- if (!priv->ipsec->rx_fs)
- return;
-
- fs_cleanup_tx(priv);
- fs_cleanup_rx(priv);
-}
-
-int mlx5e_accel_ipsec_fs_init(struct mlx5e_priv *priv)
-{
- int err;
-
- err = fs_init_tx(priv);
- if (err)
- return err;
-
- err = fs_init_rx(priv);
- if (err)
- fs_cleanup_tx(priv);
+err_rx:
+ kfree(ipsec->tx_fs);
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h
index b70953979709..8e0e829ab58f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h
@@ -9,8 +9,8 @@
#include "ipsec_offload.h"
#include "en/fs.h"
-void mlx5e_accel_ipsec_fs_cleanup(struct mlx5e_priv *priv);
-int mlx5e_accel_ipsec_fs_init(struct mlx5e_priv *priv);
+void mlx5e_ipsec_fs_cleanup(struct mlx5e_ipsec *ipsec);
+int mlx5e_ipsec_fs_init(struct mlx5e_ipsec *ipsec);
int mlx5e_accel_ipsec_fs_add_rule(struct mlx5e_priv *priv,
struct mlx5_accel_esp_xfrm_attrs *attrs,
u32 ipsec_obj_id,
--
2.35.1
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