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| 1 | | -/* |
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| 2 | | - * Copyright (C) 2017-2018 Netronome Systems, Inc. |
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| 3 | | - * |
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| 4 | | - * This software is dual licensed under the GNU General License Version 2, |
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| 5 | | - * June 1991 as shown in the file COPYING in the top-level directory of this |
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| 6 | | - * source tree or the BSD 2-Clause License provided below. You have the |
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| 7 | | - * option to license this software under the complete terms of either license. |
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| 8 | | - * |
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| 9 | | - * The BSD 2-Clause License: |
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| 10 | | - * |
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| 11 | | - * Redistribution and use in source and binary forms, with or |
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| 12 | | - * without modification, are permitted provided that the following |
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| 13 | | - * conditions are met: |
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| 14 | | - * |
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| 15 | | - * 1. Redistributions of source code must retain the above |
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| 16 | | - * copyright notice, this list of conditions and the following |
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| 17 | | - * disclaimer. |
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| 18 | | - * |
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| 19 | | - * 2. Redistributions in binary form must reproduce the above |
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| 20 | | - * copyright notice, this list of conditions and the following |
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| 21 | | - * disclaimer in the documentation and/or other materials |
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| 22 | | - * provided with the distribution. |
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| 23 | | - * |
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| 24 | | - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 25 | | - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 26 | | - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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| 27 | | - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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| 28 | | - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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| 29 | | - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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| 30 | | - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| 31 | | - * SOFTWARE. |
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| 32 | | - */ |
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| 1 | +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ |
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| 2 | +/* Copyright (C) 2017-2018 Netronome Systems, Inc. */ |
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| 33 | 3 | |
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| 34 | 4 | #ifndef NFP_BPF_FW_H |
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| 35 | 5 | #define NFP_BPF_FW_H 1 |
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| 36 | 6 | |
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| 37 | 7 | #include <linux/bitops.h> |
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| 38 | 8 | #include <linux/types.h> |
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| 9 | +#include "../ccm.h" |
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| 39 | 10 | |
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| 40 | 11 | /* Kernel's enum bpf_reg_type is not uABI so people may change it breaking |
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| 41 | 12 | * our FW ABI. In that case we will do translation in the driver. |
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| .. | .. |
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| 52 | 23 | NFP_BPF_CAP_TYPE_RANDOM = 4, |
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| 53 | 24 | NFP_BPF_CAP_TYPE_QUEUE_SELECT = 5, |
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| 54 | 25 | NFP_BPF_CAP_TYPE_ADJUST_TAIL = 6, |
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| 26 | + NFP_BPF_CAP_TYPE_ABI_VERSION = 7, |
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| 27 | + NFP_BPF_CAP_TYPE_CMSG_MULTI_ENT = 8, |
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| 55 | 28 | }; |
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| 56 | 29 | |
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| 57 | 30 | struct nfp_bpf_cap_tlv_func { |
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| .. | .. |
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| 81 | 54 | /* |
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| 82 | 55 | * Types defined for map related control messages |
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| 83 | 56 | */ |
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| 84 | | -#define CMSG_MAP_ABI_VERSION 1 |
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| 85 | 57 | |
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| 86 | | -enum nfp_bpf_cmsg_type { |
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| 87 | | - CMSG_TYPE_MAP_ALLOC = 1, |
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| 88 | | - CMSG_TYPE_MAP_FREE = 2, |
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| 89 | | - CMSG_TYPE_MAP_LOOKUP = 3, |
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| 90 | | - CMSG_TYPE_MAP_UPDATE = 4, |
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| 91 | | - CMSG_TYPE_MAP_DELETE = 5, |
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| 92 | | - CMSG_TYPE_MAP_GETNEXT = 6, |
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| 93 | | - CMSG_TYPE_MAP_GETFIRST = 7, |
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| 94 | | - CMSG_TYPE_BPF_EVENT = 8, |
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| 95 | | - __CMSG_TYPE_MAP_MAX, |
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| 96 | | -}; |
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| 97 | | - |
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| 98 | | -#define CMSG_TYPE_MAP_REPLY_BIT 7 |
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| 99 | | -#define __CMSG_REPLY(req) (BIT(CMSG_TYPE_MAP_REPLY_BIT) | (req)) |
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| 100 | | - |
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| 58 | +/* BPF ABIv2 fixed-length control message fields */ |
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| 101 | 59 | #define CMSG_MAP_KEY_LW 16 |
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| 102 | 60 | #define CMSG_MAP_VALUE_LW 16 |
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| 103 | 61 | |
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| .. | .. |
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| 112 | 70 | CMSG_RC_ERR_MAP_E2BIG = 7, |
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| 113 | 71 | }; |
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| 114 | 72 | |
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| 115 | | -struct cmsg_hdr { |
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| 116 | | - u8 type; |
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| 117 | | - u8 ver; |
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| 118 | | - __be16 tag; |
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| 119 | | -}; |
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| 120 | | - |
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| 121 | 73 | struct cmsg_reply_map_simple { |
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| 122 | | - struct cmsg_hdr hdr; |
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| 74 | + struct nfp_ccm_hdr hdr; |
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| 123 | 75 | __be32 rc; |
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| 124 | 76 | }; |
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| 125 | 77 | |
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| 126 | 78 | struct cmsg_req_map_alloc_tbl { |
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| 127 | | - struct cmsg_hdr hdr; |
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| 79 | + struct nfp_ccm_hdr hdr; |
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| 128 | 80 | __be32 key_size; /* in bytes */ |
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| 129 | 81 | __be32 value_size; /* in bytes */ |
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| 130 | 82 | __be32 max_entries; |
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| .. | .. |
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| 138 | 90 | }; |
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| 139 | 91 | |
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| 140 | 92 | struct cmsg_req_map_free_tbl { |
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| 141 | | - struct cmsg_hdr hdr; |
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| 93 | + struct nfp_ccm_hdr hdr; |
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| 142 | 94 | __be32 tid; |
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| 143 | 95 | }; |
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| 144 | 96 | |
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| .. | .. |
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| 147 | 99 | __be32 count; |
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| 148 | 100 | }; |
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| 149 | 101 | |
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| 150 | | -struct cmsg_key_value_pair { |
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| 151 | | - __be32 key[CMSG_MAP_KEY_LW]; |
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| 152 | | - __be32 value[CMSG_MAP_VALUE_LW]; |
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| 153 | | -}; |
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| 154 | | - |
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| 155 | 102 | struct cmsg_req_map_op { |
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| 156 | | - struct cmsg_hdr hdr; |
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| 103 | + struct nfp_ccm_hdr hdr; |
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| 157 | 104 | __be32 tid; |
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| 158 | 105 | __be32 count; |
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| 159 | 106 | __be32 flags; |
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| 160 | | - struct cmsg_key_value_pair elem[0]; |
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| 107 | + u8 data[]; |
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| 161 | 108 | }; |
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| 162 | 109 | |
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| 163 | 110 | struct cmsg_reply_map_op { |
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| 164 | 111 | struct cmsg_reply_map_simple reply_hdr; |
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| 165 | 112 | __be32 count; |
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| 166 | 113 | __be32 resv; |
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| 167 | | - struct cmsg_key_value_pair elem[0]; |
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| 114 | + u8 data[]; |
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| 168 | 115 | }; |
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| 169 | 116 | |
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| 170 | 117 | struct cmsg_bpf_event { |
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| 171 | | - struct cmsg_hdr hdr; |
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| 118 | + struct nfp_ccm_hdr hdr; |
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| 172 | 119 | __be32 cpu_id; |
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| 173 | 120 | __be64 map_ptr; |
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| 174 | 121 | __be32 data_size; |
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| 175 | 122 | __be32 pkt_size; |
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| 176 | | - u8 data[0]; |
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| 123 | + u8 data[]; |
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| 177 | 124 | }; |
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| 178 | 125 | #endif |
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