root/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h

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   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__ */
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