1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright(c) 2018 Oracle and/or its affiliates. All rights reserved. */
3
4#ifndef _IXGBEVF_IPSEC_H_
5#define _IXGBEVF_IPSEC_H_
6
7#define IXGBE_IPSEC_MAX_SA_COUNT	1024
8#define IXGBE_IPSEC_BASE_RX_INDEX	0
9#define IXGBE_IPSEC_BASE_TX_INDEX	IXGBE_IPSEC_MAX_SA_COUNT
10#define IXGBE_IPSEC_AUTH_BITS		128
11
12#define IXGBE_RXMOD_VALID		0x00000001
13#define IXGBE_RXMOD_PROTO_ESP		0x00000004
14#define IXGBE_RXMOD_DECRYPT		0x00000008
15#define IXGBE_RXMOD_IPV6		0x00000010
16
17struct rx_sa {
18	struct hlist_node hlist;
19	struct xfrm_state *xs;
20	__be32 ipaddr[4];
21	u32 key[4];
22	u32 salt;
23	u32 mode;
24	u32 pfsa;
25	bool used;
26	bool decrypt;
27};
28
29struct rx_ip_sa {
30	__be32 ipaddr[4];
31	u32 ref_cnt;
32	bool used;
33};
34
35struct tx_sa {
36	struct xfrm_state *xs;
37	u32 key[4];
38	u32 salt;
39	u32 pfsa;
40	bool encrypt;
41	bool used;
42};
43
44struct ixgbevf_ipsec_tx_data {
45	u32 flags;
46	u16 trailer_len;
47	u16 pfsa;
48};
49
50struct ixgbevf_ipsec {
51	u16 num_rx_sa;
52	u16 num_tx_sa;
53	struct rx_sa *rx_tbl;
54	struct tx_sa *tx_tbl;
55	DECLARE_HASHTABLE(rx_sa_list, 10);
56};
57
58struct sa_mbx_msg {
59	__be32 spi;
60	u8 dir;
61	u8 proto;
62	u16 family;
63	__be32 addr[4];
64	u32 key[5];
65};
66#endif /* _IXGBEVF_IPSEC_H_ */
67