chcr_ipsec.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/* Copyright (c) 2018 Chelsio Communications, Inc. */
 3
 4#ifndef __CHCR_IPSEC_H__
 5#define __CHCR_IPSEC_H__
 6
 7#include "t4_hw.h"
 8#include "cxgb4.h"
 9#include "t4_msg.h"
10#include "cxgb4_uld.h"
11
12#include "chcr_core.h"
13#include "chcr_algo.h"
14#include "chcr_crypto.h"
15
16#define CHIPSEC_DRV_MODULE_NAME "ch_ipsec"
17#define CHIPSEC_DRV_VERSION "1.0.0.0-ko"
18#define CHIPSEC_DRV_DESC "Chelsio T6 Crypto Ipsec offload Driver"
19
20struct ipsec_uld_ctx {
21	struct list_head entry;
22	struct cxgb4_lld_info lldi;
23};
24
25struct chcr_ipsec_req {
26	struct ulp_txpkt ulptx;
27	struct ulptx_idata sc_imm;
28	struct cpl_tx_sec_pdu sec_cpl;
29	struct _key_ctx key_ctx;
30};
31
32struct chcr_ipsec_wr {
33	struct fw_ulptx_wr wreq;
34	struct chcr_ipsec_req req;
35};
36
37#define ESN_IV_INSERT_OFFSET 12
38struct chcr_ipsec_aadiv {
39	__be32 spi;
40	u8 seq_no[8];
41	u8 iv[8];
42};
43
44struct ipsec_sa_entry {
45	int hmac_ctrl;
46	u16 esn;
47	u16 resv;
48	unsigned int enckey_len;
49	unsigned int kctx_len;
50	unsigned int authsize;
51	__be32 key_ctx_hdr;
52	char salt[MAX_SALT];
53	char key[2 * AES_MAX_KEY_SIZE];
54};
55
56#endif /* __CHCR_IPSEC_H__ */
57