diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h | 91 |
1 files changed, 91 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 000000000..3d79cd379 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h @@ -0,0 +1,91 @@ +/* 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" + +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); + +union mlx5e_crypto_info { + struct tls_crypto_info crypto_info; + struct tls12_crypto_info_aes_gcm_128 crypto_info_128; + struct tls12_crypto_info_aes_gcm_256 crypto_info_256; +}; + +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, + union mlx5e_crypto_info *crypto_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__ */ |