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authorTariq Toukan <tariqt@mellanox.com>2019-07-05 18:30:14 +0300
committerDavid S. Miller <davem@davemloft.net>2019-07-05 16:29:19 -0700
commitfc707e59c9dda2b3675b137757907e41d658da7e (patch)
treef0398a9001ed950035162147c50e0b5045211fb4 /drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h
parentnet/mlx5: Add crypto library to support create/destroy encryption key (diff)
downloadlinux-dev-fc707e59c9dda2b3675b137757907e41d658da7e.tar.xz
linux-dev-fc707e59c9dda2b3675b137757907e41d658da7e.zip
net/mlx5: Accel, Add core TLS support for the Connect-X family
Add support for the new TLS implementation of the Connect-X family. Introduce a new compilation flag MLX5_TLS for it. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h49
1 files changed, 48 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h b/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h
index e5d306ad7f91..879321b21616 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h
@@ -37,6 +37,50 @@
#include <linux/mlx5/driver.h>
#include <linux/tls.h>
+#ifdef CONFIG_MLX5_TLS
+int mlx5_ktls_create_key(struct mlx5_core_dev *mdev,
+ struct tls_crypto_info *crypto_info,
+ u32 *p_key_id);
+void mlx5_ktls_destroy_key(struct mlx5_core_dev *mdev, u32 key_id);
+
+static inline bool mlx5_accel_is_ktls_device(struct mlx5_core_dev *mdev)
+{
+ if (!MLX5_CAP_GEN(mdev, tls))
+ return false;
+
+ if (!MLX5_CAP_GEN(mdev, log_max_dek))
+ return false;
+
+ return MLX5_CAP_TLS(mdev, tls_1_2_aes_gcm_128);
+}
+
+static inline bool mlx5e_ktls_type_check(struct mlx5_core_dev *mdev,
+ struct tls_crypto_info *crypto_info)
+{
+ switch (crypto_info->cipher_type) {
+ case TLS_CIPHER_AES_GCM_128:
+ if (crypto_info->version == TLS_1_2_VERSION)
+ return MLX5_CAP_TLS(mdev, tls_1_2_aes_gcm_128);
+ break;
+ }
+
+ return false;
+}
+#else
+static inline int
+mlx5_ktls_create_key(struct mlx5_core_dev *mdev,
+ struct tls_crypto_info *crypto_info,
+ u32 *p_key_id) { return -ENOTSUPP; }
+static inline void
+mlx5_ktls_destroy_key(struct mlx5_core_dev *mdev, u32 key_id) {}
+
+static inline bool
+mlx5_accel_is_ktls_device(struct mlx5_core_dev *mdev) { return false; }
+static inline bool
+mlx5e_ktls_type_check(struct mlx5_core_dev *mdev,
+ struct tls_crypto_info *crypto_info) { return false; }
+#endif
+
#ifdef CONFIG_MLX5_FPGA_TLS
enum {
MLX5_ACCEL_TLS_TX = BIT(0),
@@ -83,7 +127,10 @@ static inline void mlx5_accel_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid,
bool direction_sx) { }
static inline int mlx5_accel_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle,
u32 seq, u64 rcd_sn) { return 0; }
-static inline bool mlx5_accel_is_tls_device(struct mlx5_core_dev *mdev) { return false; }
+static inline bool mlx5_accel_is_tls_device(struct mlx5_core_dev *mdev)
+{
+ return mlx5_accel_is_ktls_device(mdev);
+}
static inline u32 mlx5_accel_tls_device_caps(struct mlx5_core_dev *mdev) { return 0; }
static inline int mlx5_accel_tls_init(struct mlx5_core_dev *mdev) { return 0; }
static inline void mlx5_accel_tls_cleanup(struct mlx5_core_dev *mdev) { }