1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
2 /*
3  * Copyright (c) 2017-2018, Mellanox Technologies inc.  All rights reserved.
4  *
5  * This software is available to you under a choice of one of two
6  * licenses.  You may choose to be licensed under the terms of the GNU
7  * General Public License (GPL) Version 2, available from the file
8  * COPYING in the main directory of this source tree, or the
9  * OpenIB.org BSD license below:
10  *
11  *     Redistribution and use in source and binary forms, with or
12  *     without modification, are permitted provided that the following
13  *     conditions are met:
14  *
15  *      - Redistributions of source code must retain the above
16  *        copyright notice, this list of conditions and the following
17  *        disclaimer.
18  *
19  *      - Redistributions in binary form must reproduce the above
20  *        copyright notice, this list of conditions and the following
21  *        disclaimer in the documentation and/or other materials
22  *        provided with the distribution.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31  * SOFTWARE.
32  */
33 
34 #ifndef IB_USER_IOCTL_VERBS_H
35 #define IB_USER_IOCTL_VERBS_H
36 
37 #include <linux/types.h>
38 
39 #ifndef RDMA_UAPI_PTR
40 #define RDMA_UAPI_PTR(_type, _name)	__aligned_u64 _name
41 #endif
42 
43 enum ib_uverbs_flow_action_esp_keymat {
44 	IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM,
45 };
46 
47 enum ib_uverbs_flow_action_esp_keymat_aes_gcm_iv_algo {
48 	IB_UVERBS_FLOW_ACTION_IV_ALGO_SEQ,
49 };
50 
51 struct ib_uverbs_flow_action_esp_keymat_aes_gcm {
52 	__aligned_u64	iv;
53 	__u32		iv_algo; /* Use enum ib_uverbs_flow_action_esp_keymat_aes_gcm_iv_algo */
54 
55 	__u32		salt;
56 	__u32		icv_len;
57 
58 	__u32		key_len;
59 	__u32		aes_key[256 / 32];
60 };
61 
62 enum ib_uverbs_flow_action_esp_replay {
63 	IB_UVERBS_FLOW_ACTION_ESP_REPLAY_NONE,
64 	IB_UVERBS_FLOW_ACTION_ESP_REPLAY_BMP,
65 };
66 
67 struct ib_uverbs_flow_action_esp_replay_bmp {
68 	__u32	size;
69 };
70 
71 enum ib_uverbs_flow_action_esp_flags {
72 	IB_UVERBS_FLOW_ACTION_ESP_FLAGS_INLINE_CRYPTO	= 0UL << 0,	/* Default */
73 	IB_UVERBS_FLOW_ACTION_ESP_FLAGS_FULL_OFFLOAD	= 1UL << 0,
74 
75 	IB_UVERBS_FLOW_ACTION_ESP_FLAGS_TUNNEL		= 0UL << 1,	/* Default */
76 	IB_UVERBS_FLOW_ACTION_ESP_FLAGS_TRANSPORT	= 1UL << 1,
77 
78 	IB_UVERBS_FLOW_ACTION_ESP_FLAGS_DECRYPT		= 0UL << 2,	/* Default */
79 	IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ENCRYPT		= 1UL << 2,
80 
81 	IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW	= 1UL << 3,
82 };
83 
84 struct ib_uverbs_flow_action_esp_encap {
85 	/* This struct represents a list of pointers to flow_xxxx_filter that
86 	 * encapsulates the payload in ESP tunnel mode.
87 	 */
88 	RDMA_UAPI_PTR(void *, val_ptr); /* pointer to a flow_xxxx_filter */
89 	RDMA_UAPI_PTR(struct ib_uverbs_flow_action_esp_encap *, next_ptr);
90 	__u16	len;		/* Len of the filter struct val_ptr points to */
91 	__u16	type;		/* Use flow_spec_type enum */
92 };
93 
94 struct ib_uverbs_flow_action_esp {
95 	__u32		spi;
96 	__u32		seq;
97 	__u32		tfc_pad;
98 	__u32		flags;
99 	__aligned_u64	hard_limit_pkts;
100 };
101 
102 #endif
103