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

source code of linux/drivers/net/ethernet/intel/ixgbevf/ipsec.h