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path: root/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c51
1 files changed, 43 insertions, 8 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 92eb3bad4acd..d39989cddd90 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
@@ -40,7 +40,7 @@
#include "en.h"
#include "en_accel/ipsec.h"
#include "en_accel/ipsec_rxtx.h"
-
+#include "en_accel/ipsec_fs.h"
static struct mlx5e_ipsec_sa_entry *to_ipsec_sa_entry(struct xfrm_state *x)
{
@@ -111,7 +111,7 @@ static void mlx5e_ipsec_sadb_rx_del(struct mlx5e_ipsec_sa_entry *sa_entry)
static bool mlx5e_ipsec_update_esn_state(struct mlx5e_ipsec_sa_entry *sa_entry)
{
struct xfrm_replay_state_esn *replay_esn;
- u32 seq_bottom;
+ u32 seq_bottom = 0;
u8 overlap;
u32 *esn;
@@ -121,7 +121,9 @@ static bool mlx5e_ipsec_update_esn_state(struct mlx5e_ipsec_sa_entry *sa_entry)
}
replay_esn = sa_entry->x->replay_esn;
- seq_bottom = replay_esn->seq - replay_esn->replay_window + 1;
+ if (replay_esn->seq >= replay_esn->replay_window)
+ seq_bottom = replay_esn->seq - replay_esn->replay_window + 1;
+
overlap = sa_entry->esn_state.overlap;
sa_entry->esn_state.esn = xfrm_replay_seqhi(sa_entry->x,
@@ -207,7 +209,7 @@ mlx5e_ipsec_build_accel_xfrm_attrs(struct mlx5e_ipsec_sa_entry *sa_entry,
static inline int mlx5e_xfrm_validate_state(struct xfrm_state *x)
{
- struct net_device *netdev = x->xso.dev;
+ struct net_device *netdev = x->xso.real_dev;
struct mlx5e_priv *priv;
priv = netdev_priv(netdev);
@@ -282,10 +284,31 @@ static inline int mlx5e_xfrm_validate_state(struct xfrm_state *x)
return 0;
}
+static int mlx5e_xfrm_fs_add_rule(struct mlx5e_priv *priv,
+ struct mlx5e_ipsec_sa_entry *sa_entry)
+{
+ if (!mlx5_is_ipsec_device(priv->mdev))
+ return 0;
+
+ return mlx5e_accel_ipsec_fs_add_rule(priv, &sa_entry->xfrm->attrs,
+ sa_entry->ipsec_obj_id,
+ &sa_entry->ipsec_rule);
+}
+
+static void mlx5e_xfrm_fs_del_rule(struct mlx5e_priv *priv,
+ struct mlx5e_ipsec_sa_entry *sa_entry)
+{
+ if (!mlx5_is_ipsec_device(priv->mdev))
+ return;
+
+ mlx5e_accel_ipsec_fs_del_rule(priv, &sa_entry->xfrm->attrs,
+ &sa_entry->ipsec_rule);
+}
+
static int mlx5e_xfrm_add_state(struct xfrm_state *x)
{
struct mlx5e_ipsec_sa_entry *sa_entry = NULL;
- struct net_device *netdev = x->xso.dev;
+ struct net_device *netdev = x->xso.real_dev;
struct mlx5_accel_esp_xfrm_attrs attrs;
struct mlx5e_priv *priv;
unsigned int sa_handle;
@@ -329,10 +352,15 @@ static int mlx5e_xfrm_add_state(struct xfrm_state *x)
goto err_xfrm;
}
+ sa_entry->ipsec_obj_id = sa_handle;
+ err = mlx5e_xfrm_fs_add_rule(priv, sa_entry);
+ if (err)
+ goto err_hw_ctx;
+
if (x->xso.flags & XFRM_OFFLOAD_INBOUND) {
err = mlx5e_ipsec_sadb_rx_add(sa_entry, sa_handle);
if (err)
- goto err_hw_ctx;
+ goto err_add_rule;
} else {
sa_entry->set_iv_op = (x->props.flags & XFRM_STATE_ESN) ?
mlx5e_ipsec_set_iv_esn : mlx5e_ipsec_set_iv;
@@ -341,8 +369,10 @@ static int mlx5e_xfrm_add_state(struct xfrm_state *x)
x->xso.offload_handle = (unsigned long)sa_entry;
goto out;
+err_add_rule:
+ mlx5e_xfrm_fs_del_rule(priv, sa_entry);
err_hw_ctx:
- mlx5_accel_esp_free_hw_context(sa_entry->hw_context);
+ mlx5_accel_esp_free_hw_context(priv->mdev, sa_entry->hw_context);
err_xfrm:
mlx5_accel_esp_destroy_xfrm(sa_entry->xfrm);
err_sa_entry:
@@ -366,13 +396,15 @@ static void mlx5e_xfrm_del_state(struct xfrm_state *x)
static void mlx5e_xfrm_free_state(struct xfrm_state *x)
{
struct mlx5e_ipsec_sa_entry *sa_entry = to_ipsec_sa_entry(x);
+ struct mlx5e_priv *priv = netdev_priv(x->xso.dev);
if (!sa_entry)
return;
if (sa_entry->hw_context) {
flush_workqueue(sa_entry->ipsec->wq);
- mlx5_accel_esp_free_hw_context(sa_entry->hw_context);
+ mlx5e_xfrm_fs_del_rule(priv, sa_entry);
+ mlx5_accel_esp_free_hw_context(sa_entry->xfrm->mdev, sa_entry->hw_context);
mlx5_accel_esp_destroy_xfrm(sa_entry->xfrm);
}
@@ -405,6 +437,8 @@ int mlx5e_ipsec_init(struct mlx5e_priv *priv)
kfree(ipsec);
return -ENOMEM;
}
+
+ mlx5e_accel_ipsec_fs_init(priv);
netdev_dbg(priv->netdev, "IPSec attached to netdevice\n");
return 0;
}
@@ -416,6 +450,7 @@ void mlx5e_ipsec_cleanup(struct mlx5e_priv *priv)
if (!ipsec)
return;
+ mlx5e_accel_ipsec_fs_cleanup(priv);
destroy_workqueue(ipsec->wq);
ida_destroy(&ipsec->halloc);