/*
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* Copyright (c) 2018 Mellanox Technologies. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef __MLX5E_EN_ACCEL_H__
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#define __MLX5E_EN_ACCEL_H__
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#include <linux/skbuff.h>
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#include <linux/netdevice.h>
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#include "en_accel/ipsec_rxtx.h"
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#include "en_accel/tls_rxtx.h"
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#include "en.h"
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static inline void
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mlx5e_udp_gso_handle_tx_skb(struct sk_buff *skb)
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{
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int payload_len = skb_shinfo(skb)->gso_size + sizeof(struct udphdr);
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udp_hdr(skb)->len = htons(payload_len);
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}
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static inline struct sk_buff *
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mlx5e_accel_handle_tx(struct sk_buff *skb,
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struct mlx5e_txqsq *sq,
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struct net_device *dev,
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struct mlx5e_tx_wqe **wqe,
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u16 *pi)
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{
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#ifdef CONFIG_MLX5_EN_TLS
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if (test_bit(MLX5E_SQ_STATE_TLS, &sq->state)) {
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skb = mlx5e_tls_handle_tx_skb(dev, sq, skb, wqe, pi);
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if (unlikely(!skb))
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return NULL;
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}
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#endif
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#ifdef CONFIG_MLX5_EN_IPSEC
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if (test_bit(MLX5E_SQ_STATE_IPSEC, &sq->state)) {
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skb = mlx5e_ipsec_handle_tx_skb(dev, *wqe, skb);
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if (unlikely(!skb))
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return NULL;
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}
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#endif
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if (skb_is_gso(skb) && skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4)
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mlx5e_udp_gso_handle_tx_skb(skb);
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return skb;
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}
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#endif /* __MLX5E_EN_ACCEL_H__ */
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