1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h
new file mode 100644
index 000000000000..e5c180f2403b
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. */
+
+#ifndef __MLX5E_KTLS_UTILS_H__
+#define __MLX5E_KTLS_UTILS_H__
+
+#include <net/tls.h>
+#include "en.h"
+#include "accel/tls.h"
+
+enum {
+	MLX5E_TLS_PROGRESS_PARAMS_AUTH_STATE_NO_OFFLOAD     = 0,
+	MLX5E_TLS_PROGRESS_PARAMS_AUTH_STATE_OFFLOAD        = 1,
+	MLX5E_TLS_PROGRESS_PARAMS_AUTH_STATE_AUTHENTICATION = 2,
+};
+
+enum {
+	MLX5E_TLS_PROGRESS_PARAMS_RECORD_TRACKER_STATE_START     = 0,
+	MLX5E_TLS_PROGRESS_PARAMS_RECORD_TRACKER_STATE_TRACKING  = 1,
+	MLX5E_TLS_PROGRESS_PARAMS_RECORD_TRACKER_STATE_SEARCHING = 2,
+};
+
+int mlx5e_ktls_add_tx(struct net_device *netdev, struct sock *sk,
+		      struct tls_crypto_info *crypto_info, u32 start_offload_tcp_sn);
+void mlx5e_ktls_del_tx(struct net_device *netdev, struct tls_context *tls_ctx);
+int mlx5e_ktls_add_rx(struct net_device *netdev, struct sock *sk,
+		      struct tls_crypto_info *crypto_info, u32 start_offload_tcp_sn);
+void mlx5e_ktls_del_rx(struct net_device *netdev, struct tls_context *tls_ctx);
+void mlx5e_ktls_rx_resync(struct net_device *netdev, struct sock *sk, u32 seq, u8 *rcd_sn);
+
+struct mlx5e_set_tls_static_params_wqe {
+	struct mlx5_wqe_ctrl_seg ctrl;
+	struct mlx5_wqe_umr_ctrl_seg uctrl;
+	struct mlx5_mkey_seg mkc;
+	struct mlx5_wqe_tls_static_params_seg params;
+};
+
+struct mlx5e_set_tls_progress_params_wqe {
+	struct mlx5_wqe_ctrl_seg ctrl;
+	struct mlx5_wqe_tls_progress_params_seg params;
+};
+
+struct mlx5e_get_tls_progress_params_wqe {
+	struct mlx5_wqe_ctrl_seg ctrl;
+	struct mlx5_seg_get_psv  psv;
+};
+
+#define MLX5E_TLS_SET_STATIC_PARAMS_WQEBBS \
+	(DIV_ROUND_UP(sizeof(struct mlx5e_set_tls_static_params_wqe), MLX5_SEND_WQE_BB))
+
+#define MLX5E_TLS_SET_PROGRESS_PARAMS_WQEBBS \
+	(DIV_ROUND_UP(sizeof(struct mlx5e_set_tls_progress_params_wqe), MLX5_SEND_WQE_BB))
+
+#define MLX5E_KTLS_GET_PROGRESS_WQEBBS \
+	(DIV_ROUND_UP(sizeof(struct mlx5e_get_tls_progress_params_wqe), MLX5_SEND_WQE_BB))
+
+#define MLX5E_TLS_FETCH_SET_STATIC_PARAMS_WQE(sq, pi) \
+	((struct mlx5e_set_tls_static_params_wqe *)\
+	 mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_set_tls_static_params_wqe)))
+
+#define MLX5E_TLS_FETCH_SET_PROGRESS_PARAMS_WQE(sq, pi) \
+	((struct mlx5e_set_tls_progress_params_wqe *)\
+	 mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_set_tls_progress_params_wqe)))
+
+#define MLX5E_TLS_FETCH_GET_PROGRESS_PARAMS_WQE(sq, pi) \
+	((struct mlx5e_get_tls_progress_params_wqe *)\
+	 mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_get_tls_progress_params_wqe)))
+
+#define MLX5E_TLS_FETCH_DUMP_WQE(sq, pi) \
+	((struct mlx5e_dump_wqe *)\
+	 mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_dump_wqe)))
+
+void
+mlx5e_ktls_build_static_params(struct mlx5e_set_tls_static_params_wqe *wqe,
+			       u16 pc, u32 sqn,
+			       struct tls12_crypto_info_aes_gcm_128 *info,
+			       u32 tis_tir_num, u32 key_id, u32 resync_tcp_sn,
+			       bool fence, enum tls_offload_ctx_dir direction);
+void
+mlx5e_ktls_build_progress_params(struct mlx5e_set_tls_progress_params_wqe *wqe,
+				 u16 pc, u32 sqn,
+				 u32 tis_tir_num, bool fence,
+				 u32 next_record_tcp_sn,
+				 enum tls_offload_ctx_dir direction);
+
+#endif /* __MLX5E_TLS_UTILS_H__ */