1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
2/* Copyright (C) 2019 Netronome Systems, Inc. */
3
4#ifndef NFP_CRYPTO_H
5#define NFP_CRYPTO_H 1
6
7struct net_device;
8struct nfp_net;
9struct nfp_net_tls_resync_req;
10
11struct nfp_net_tls_offload_ctx {
12	__be32 fw_handle[2];
13
14	u8 rx_end[0];
15	/* Tx only fields follow - Rx side does not have enough driver state
16	 * to fit these
17	 */
18
19	u32 next_seq;
20};
21
22#ifdef CONFIG_TLS_DEVICE
23int nfp_net_tls_init(struct nfp_net *nn);
24int nfp_net_tls_rx_resync_req(struct net_device *netdev,
25			      struct nfp_net_tls_resync_req *req,
26			      void *pkt, unsigned int pkt_len);
27#else
28static inline int nfp_net_tls_init(struct nfp_net *nn)
29{
30	return 0;
31}
32
33static inline int
34nfp_net_tls_rx_resync_req(struct net_device *netdev,
35			  struct nfp_net_tls_resync_req *req,
36			  void *pkt, unsigned int pkt_len)
37{
38	return -EOPNOTSUPP;
39}
40#endif
41
42/* IPsec related structures and functions */
43struct nfp_ipsec_offload {
44	u32 seq_hi;
45	u32 seq_low;
46	u32 handle;
47};
48
49#ifndef CONFIG_NFP_NET_IPSEC
50static inline void nfp_net_ipsec_init(struct nfp_net *nn)
51{
52}
53
54static inline void nfp_net_ipsec_clean(struct nfp_net *nn)
55{
56}
57#else
58void nfp_net_ipsec_init(struct nfp_net *nn);
59void nfp_net_ipsec_clean(struct nfp_net *nn);
60bool nfp_net_ipsec_tx_prep(struct nfp_net_dp *dp, struct sk_buff *skb,
61			   struct nfp_ipsec_offload *offload_info);
62int nfp_net_ipsec_rx(struct nfp_meta_parsed *meta, struct sk_buff *skb);
63#endif
64
65#endif
66