1 files changed, 80 insertions, 28 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
index 8a4985d8cbfe..09f5ce97af46 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
@@ -31,37 +31,88 @@
  *
  */
 
-#ifdef CONFIG_MLX5_FPGA_IPSEC
-
 #include <linux/mlx5/device.h>
 
 #include "accel/ipsec.h"
 #include "mlx5_core.h"
 #include "fpga/ipsec.h"
+#include "accel/ipsec_offload.h"
+
+void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev)
+{
+	const struct mlx5_accel_ipsec_ops *ipsec_ops;
+	int err = 0;
+
+	ipsec_ops = (mlx5_ipsec_offload_ops(mdev)) ?
+		     mlx5_ipsec_offload_ops(mdev) :
+		     mlx5_fpga_ipsec_ops(mdev);
+
+	if (!ipsec_ops || !ipsec_ops->init) {
+		mlx5_core_dbg(mdev, "IPsec ops is not supported\n");
+		return;
+	}
+
+	err = ipsec_ops->init(mdev);
+	if (err) {
+		mlx5_core_warn_once(mdev, "Failed to start IPsec device, err = %d\n", err);
+		return;
+	}
+
+	mdev->ipsec_ops = ipsec_ops;
+}
+
+void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev)
+{
+	const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
+
+	if (!ipsec_ops || !ipsec_ops->cleanup)
+		return;
+
+	ipsec_ops->cleanup(mdev);
+}
 
 u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev)
 {
-	return mlx5_fpga_ipsec_device_caps(mdev);
+	const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
+
+	if (!ipsec_ops || !ipsec_ops->device_caps)
+		return 0;
+
+	return ipsec_ops->device_caps(mdev);
 }
 EXPORT_SYMBOL_GPL(mlx5_accel_ipsec_device_caps);
 
 unsigned int mlx5_accel_ipsec_counters_count(struct mlx5_core_dev *mdev)
 {
-	return mlx5_fpga_ipsec_counters_count(mdev);
+	const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
+
+	if (!ipsec_ops || !ipsec_ops->counters_count)
+		return -EOPNOTSUPP;
+
+	return ipsec_ops->counters_count(mdev);
 }
 
 int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
 				   unsigned int count)
 {
-	return mlx5_fpga_ipsec_counters_read(mdev, counters, count);
+	const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
+
+	if (!ipsec_ops || !ipsec_ops->counters_read)
+		return -EOPNOTSUPP;
+
+	return ipsec_ops->counters_read(mdev, counters, count);
 }
 
 void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
 				       struct mlx5_accel_esp_xfrm *xfrm,
 				       u32 *sa_handle)
 {
+	const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
 	__be32 saddr[4] = {}, daddr[4] = {};
 
+	if (!ipsec_ops || !ipsec_ops->create_hw_context)
+		return  ERR_PTR(-EOPNOTSUPP);
+
 	if (!xfrm->attrs.is_ipv6) {
 		saddr[3] = xfrm->attrs.saddr.a4;
 		daddr[3] = xfrm->attrs.daddr.a4;
@@ -70,29 +121,18 @@ void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
 		memcpy(daddr, xfrm->attrs.daddr.a6, sizeof(daddr));
 	}
 
-	return mlx5_fpga_ipsec_create_sa_ctx(mdev, xfrm, saddr,
-					     daddr, xfrm->attrs.spi,
-					     xfrm->attrs.is_ipv6, sa_handle);
+	return ipsec_ops->create_hw_context(mdev, xfrm, saddr, daddr, xfrm->attrs.spi,
+					    xfrm->attrs.is_ipv6, sa_handle);
 }
 
-void mlx5_accel_esp_free_hw_context(void *context)
+void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev, void *context)
 {
-	mlx5_fpga_ipsec_delete_sa_ctx(context);
-}
+	const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
 
-int mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev)
-{
-	return mlx5_fpga_ipsec_init(mdev);
-}
-
-void mlx5_accel_ipsec_build_fs_cmds(void)
-{
-	mlx5_fpga_ipsec_build_fs_cmds();
-}
+	if (!ipsec_ops || !ipsec_ops->free_hw_context)
+		return;
 
-void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev)
-{
-	mlx5_fpga_ipsec_cleanup(mdev);
+	ipsec_ops->free_hw_context(context);
 }
 
 struct mlx5_accel_esp_xfrm *
@@ -100,9 +140,13 @@ mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
 			   const struct mlx5_accel_esp_xfrm_attrs *attrs,
 			   u32 flags)
 {
+	const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
 	struct mlx5_accel_esp_xfrm *xfrm;
 
-	xfrm = mlx5_fpga_esp_create_xfrm(mdev, attrs, flags);
+	if (!ipsec_ops || !ipsec_ops->esp_create_xfrm)
+		return ERR_PTR(-EOPNOTSUPP);
+
+	xfrm = ipsec_ops->esp_create_xfrm(mdev, attrs, flags);
 	if (IS_ERR(xfrm))
 		return xfrm;
 
@@ -113,15 +157,23 @@ EXPORT_SYMBOL_GPL(mlx5_accel_esp_create_xfrm);
 
 void mlx5_accel_esp_destroy_xfrm(struct mlx5_accel_esp_xfrm *xfrm)
 {
-	mlx5_fpga_esp_destroy_xfrm(xfrm);
+	const struct mlx5_accel_ipsec_ops *ipsec_ops = xfrm->mdev->ipsec_ops;
+
+	if (!ipsec_ops || !ipsec_ops->esp_destroy_xfrm)
+		return;
+
+	ipsec_ops->esp_destroy_xfrm(xfrm);
 }
 EXPORT_SYMBOL_GPL(mlx5_accel_esp_destroy_xfrm);
 
 int mlx5_accel_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
 			       const struct mlx5_accel_esp_xfrm_attrs *attrs)
 {
-	return mlx5_fpga_esp_modify_xfrm(xfrm, attrs);
+	const struct mlx5_accel_ipsec_ops *ipsec_ops = xfrm->mdev->ipsec_ops;
+
+	if (!ipsec_ops || !ipsec_ops->esp_modify_xfrm)
+		return -EOPNOTSUPP;
+
+	return ipsec_ops->esp_modify_xfrm(xfrm, attrs);
 }
 EXPORT_SYMBOL_GPL(mlx5_accel_esp_modify_xfrm);
-
-#endif