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 | |
17 | struct 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 | |
29 | struct rx_ip_sa { |
30 | __be32 ipaddr[4]; |
31 | u32 ref_cnt; |
32 | bool used; |
33 | }; |
34 | |
35 | struct 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 | |
44 | struct ixgbevf_ipsec_tx_data { |
45 | u32 flags; |
46 | u16 trailer_len; |
47 | u16 pfsa; |
48 | }; |
49 | |
50 | struct 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 | |
58 | struct 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 | |