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