1 /*
2  * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  *
32  */
33 
34 #ifndef __MLX5E_IPSEC_RXTX_H__
35 #define __MLX5E_IPSEC_RXTX_H__
36 
37 #ifdef CONFIG_MLX5_EN_IPSEC
38 
39 #include <linux/skbuff.h>
40 #include <net/xfrm.h>
41 #include "en.h"
42 #include "en/txrx.h"
43 
44 struct sk_buff *mlx5e_ipsec_handle_rx_skb(struct net_device *netdev,
45 					  struct sk_buff *skb, u32 *cqe_bcnt);
46 void mlx5e_ipsec_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
47 
48 void mlx5e_ipsec_inverse_table_init(void);
49 bool mlx5e_ipsec_feature_check(struct sk_buff *skb, struct net_device *netdev,
50 			       netdev_features_t features);
51 void mlx5e_ipsec_set_iv_esn(struct sk_buff *skb, struct xfrm_state *x,
52 			    struct xfrm_offload *xo);
53 void mlx5e_ipsec_set_iv(struct sk_buff *skb, struct xfrm_state *x,
54 			struct xfrm_offload *xo);
55 struct sk_buff *mlx5e_ipsec_handle_tx_skb(struct net_device *netdev,
56 					  struct mlx5e_tx_wqe *wqe,
57 					  struct sk_buff *skb);
58 
59 #endif /* CONFIG_MLX5_EN_IPSEC */
60 
61 #endif /* __MLX5E_IPSEC_RXTX_H__ */
62