| /* |
| * Copyright (c) 2018 Mellanox Technologies. All rights reserved. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| */ |
| |
| #ifndef __MLX5E_TLS_RXTX_H__ |
| #define __MLX5E_TLS_RXTX_H__ |
| |
| #include "accel/accel.h" |
| #include "en_accel/ktls_txrx.h" |
| |
| #ifdef CONFIG_MLX5_EN_TLS |
| |
| #include <linux/skbuff.h> |
| #include "en.h" |
| #include "en/txrx.h" |
| |
| u16 mlx5e_tls_get_stop_room(struct mlx5_core_dev *mdev, struct mlx5e_params *params); |
| |
| bool mlx5e_tls_handle_tx_skb(struct net_device *netdev, struct mlx5e_txqsq *sq, |
| struct sk_buff *skb, struct mlx5e_accel_tx_tls_state *state); |
| |
| static inline bool mlx5e_tls_skb_offloaded(struct sk_buff *skb) |
| { |
| return skb->sk && tls_is_sk_tx_device_offloaded(skb->sk); |
| } |
| |
| static inline void |
| mlx5e_tls_handle_tx_wqe(struct mlx5_wqe_ctrl_seg *cseg, |
| struct mlx5e_accel_tx_tls_state *state) |
| { |
| cseg->tis_tir_num = cpu_to_be32(state->tls_tisn << 8); |
| } |
| |
| void mlx5e_tls_handle_rx_skb_metadata(struct mlx5e_rq *rq, struct sk_buff *skb, |
| u32 *cqe_bcnt); |
| |
| static inline void |
| mlx5e_tls_handle_rx_skb(struct mlx5e_rq *rq, struct sk_buff *skb, |
| struct mlx5_cqe64 *cqe, u32 *cqe_bcnt) |
| { |
| if (unlikely(get_cqe_tls_offload(cqe))) /* cqe bit indicates a TLS device */ |
| return mlx5e_ktls_handle_rx_skb(rq, skb, cqe, cqe_bcnt); |
| |
| if (unlikely(test_bit(MLX5E_RQ_STATE_FPGA_TLS, &rq->state) && is_metadata_hdr_valid(skb))) |
| return mlx5e_tls_handle_rx_skb_metadata(rq, skb, cqe_bcnt); |
| } |
| |
| #else |
| |
| static inline bool |
| mlx5e_accel_is_tls(struct mlx5_cqe64 *cqe, struct sk_buff *skb) { return false; } |
| static inline void |
| mlx5e_tls_handle_rx_skb(struct mlx5e_rq *rq, struct sk_buff *skb, |
| struct mlx5_cqe64 *cqe, u32 *cqe_bcnt) {} |
| static inline u16 mlx5e_tls_get_stop_room(struct mlx5_core_dev *mdev, struct mlx5e_params *params) |
| { |
| return 0; |
| } |
| |
| #endif /* CONFIG_MLX5_EN_TLS */ |
| |
| #endif /* __MLX5E_TLS_RXTX_H__ */ |