granicus.if.org Git - strace/blob - bpf_attr.h

   1 /*
   2  * Copyright (c) 2015-2018 Dmitry V. Levin <ldv@altlinux.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #ifndef STRACE_BPF_ATTR_H
  29 #define STRACE_BPF_ATTR_H
  30
  31 #ifndef BPF_OBJ_NAME_LEN
  32 # define BPF_OBJ_NAME_LEN 16U
  33 #else
  34 # if BPF_OBJ_NAME_LEN != 16U
  35 #  error "Unexpected value of BPF_OBJ_NAME_LEN"
  36 # endif
  37 #endif
  38
  39 struct BPF_MAP_CREATE_struct {
  40         uint32_t map_type;
  41         uint32_t key_size;
  42         uint32_t value_size;
  43         uint32_t max_entries;
  44         uint32_t map_flags;
  45         uint32_t inner_map_fd;
  46         uint32_t numa_node;
  47         char     map_name[BPF_OBJ_NAME_LEN];
  48         uint32_t map_ifindex;
  49 };
  50
  51 #define BPF_MAP_CREATE_struct_size \
  52         sizeof(struct BPF_MAP_CREATE_struct)
  53 #define expected_BPF_MAP_CREATE_struct_size 48
  54
  55 struct BPF_MAP_LOOKUP_ELEM_struct {
  56         uint32_t map_fd;
  57         uint64_t ATTRIBUTE_ALIGNED(8) key;
  58         uint64_t ATTRIBUTE_ALIGNED(8) value;
  59 };
  60
  61 #define BPF_MAP_LOOKUP_ELEM_struct_size \
  62         sizeof(struct BPF_MAP_LOOKUP_ELEM_struct)
  63 #define expected_BPF_MAP_LOOKUP_ELEM_struct_size 24
  64
  65 struct BPF_MAP_UPDATE_ELEM_struct {
  66         uint32_t map_fd;
  67         uint64_t ATTRIBUTE_ALIGNED(8) key;
  68         uint64_t ATTRIBUTE_ALIGNED(8) value;
  69         uint64_t flags;
  70 };
  71
  72 #define BPF_MAP_UPDATE_ELEM_struct_size \
  73         sizeof(struct BPF_MAP_UPDATE_ELEM_struct)
  74 #define expected_BPF_MAP_UPDATE_ELEM_struct_size 32
  75
  76 struct BPF_MAP_DELETE_ELEM_struct {
  77         uint32_t map_fd;
  78         uint64_t ATTRIBUTE_ALIGNED(8) key;
  79 };
  80
  81 #define BPF_MAP_DELETE_ELEM_struct_size \
  82         sizeof(struct BPF_MAP_DELETE_ELEM_struct)
  83 #define expected_BPF_MAP_DELETE_ELEM_struct_size 16
  84
  85 struct BPF_MAP_GET_NEXT_KEY_struct {
  86         uint32_t map_fd;
  87         uint64_t ATTRIBUTE_ALIGNED(8) key;
  88         uint64_t ATTRIBUTE_ALIGNED(8) next_key;
  89 };
  90
  91 #define BPF_MAP_GET_NEXT_KEY_struct_size \
  92         sizeof(struct BPF_MAP_GET_NEXT_KEY_struct)
  93 #define expected_BPF_MAP_GET_NEXT_KEY_struct_size 24
  94
  95 struct BPF_PROG_LOAD_struct {
  96         uint32_t prog_type;
  97         uint32_t insn_cnt;
  98         uint64_t ATTRIBUTE_ALIGNED(8) insns;
  99         uint64_t ATTRIBUTE_ALIGNED(8) license;
 100         uint32_t log_level;
 101         uint32_t log_size;
 102         uint64_t ATTRIBUTE_ALIGNED(8) log_buf;
 103         uint32_t kern_version;
 104         uint32_t prog_flags;
 105         char     prog_name[BPF_OBJ_NAME_LEN];
 106         uint32_t prog_ifindex;
 107 };
 108
 109 #define BPF_PROG_LOAD_struct_size \
 110         offsetofend(struct BPF_PROG_LOAD_struct, prog_ifindex)
 111 #define expected_BPF_PROG_LOAD_struct_size 68
 112
 113 struct BPF_OBJ_PIN_struct {
 114         uint64_t ATTRIBUTE_ALIGNED(8) pathname;
 115         uint32_t bpf_fd;
 116         uint32_t file_flags;
 117 };
 118
 119 #define BPF_OBJ_PIN_struct_size \
 120         sizeof(struct BPF_OBJ_PIN_struct)
 121 #define expected_BPF_OBJ_PIN_struct_size 16
 122
 123 #define BPF_OBJ_GET_struct BPF_OBJ_PIN_struct
 124 #define BPF_OBJ_GET_struct_size BPF_OBJ_PIN_struct_size
 125
 126 struct BPF_PROG_ATTACH_struct {
 127         uint32_t target_fd;
 128         uint32_t attach_bpf_fd;
 129         uint32_t attach_type;
 130         uint32_t attach_flags;
 131 };
 132
 133 #define BPF_PROG_ATTACH_struct_size \
 134         sizeof(struct BPF_PROG_ATTACH_struct)
 135 #define expected_BPF_PROG_ATTACH_struct_size 16
 136
 137 struct BPF_PROG_DETACH_struct {
 138         uint32_t target_fd;
 139         uint32_t dummy;
 140         uint32_t attach_type;
 141 };
 142
 143 #define BPF_PROG_DETACH_struct_size \
 144         sizeof(struct BPF_PROG_DETACH_struct)
 145 #define expected_BPF_PROG_DETACH_struct_size 12
 146
 147 struct BPF_PROG_TEST_RUN_struct /* test */ {
 148         uint32_t prog_fd;
 149         uint32_t retval;
 150         uint32_t data_size_in;
 151         uint32_t data_size_out;
 152         uint64_t ATTRIBUTE_ALIGNED(8) data_in;
 153         uint64_t ATTRIBUTE_ALIGNED(8) data_out;
 154         uint32_t repeat;
 155         uint32_t duration;
 156 };
 157
 158 #define BPF_PROG_TEST_RUN_struct_size \
 159         sizeof(struct BPF_PROG_TEST_RUN_struct)
 160 #define expected_BPF_PROG_TEST_RUN_struct_size 40
 161
 162 struct BPF_PROG_GET_NEXT_ID_struct {
 163         uint32_t start_id;
 164         uint32_t next_id;
 165         uint32_t open_flags;
 166 };
 167
 168 #define BPF_PROG_GET_NEXT_ID_struct_size \
 169         sizeof(struct BPF_PROG_GET_NEXT_ID_struct)
 170 #define expected_BPF_PROG_GET_NEXT_ID_struct_size 12
 171
 172 #define BPF_MAP_GET_NEXT_ID_struct BPF_PROG_GET_NEXT_ID_struct
 173 #define BPF_MAP_GET_NEXT_ID_struct_size BPF_PROG_GET_NEXT_ID_struct_size
 174
 175 struct BPF_PROG_GET_FD_BY_ID_struct {
 176         uint32_t prog_id;
 177         uint32_t next_id;
 178         uint32_t open_flags;
 179 };
 180
 181 #define BPF_PROG_GET_FD_BY_ID_struct_size \
 182         sizeof(struct BPF_PROG_GET_FD_BY_ID_struct)
 183 #define expected_BPF_PROG_GET_FD_BY_ID_struct_size 12
 184
 185 struct BPF_MAP_GET_FD_BY_ID_struct {
 186         uint32_t map_id;
 187         uint32_t next_id;
 188         uint32_t open_flags;
 189 };
 190
 191 #define BPF_MAP_GET_FD_BY_ID_struct_size \
 192         sizeof(struct BPF_MAP_GET_FD_BY_ID_struct)
 193 #define expected_BPF_MAP_GET_FD_BY_ID_struct_size 12
 194
 195 struct BPF_OBJ_GET_INFO_BY_FD_struct /* info */ {
 196         uint32_t bpf_fd;
 197         uint32_t info_len;
 198         uint64_t ATTRIBUTE_ALIGNED(8) info;
 199 };
 200
 201 #define BPF_OBJ_GET_INFO_BY_FD_struct_size \
 202         sizeof(struct BPF_OBJ_GET_INFO_BY_FD_struct)
 203 #define expected_BPF_OBJ_GET_INFO_BY_FD_struct_size 16
 204
 205 struct BPF_PROG_QUERY_struct /* query */ {
 206         uint32_t target_fd;
 207         uint32_t attach_type;
 208         uint32_t query_flags;
 209         uint32_t attach_flags;
 210         uint64_t ATTRIBUTE_ALIGNED(8) prog_ids;
 211         uint32_t prog_cnt;
 212 };
 213
 214 #define BPF_PROG_QUERY_struct_size \
 215         offsetofend(struct BPF_PROG_QUERY_struct, prog_cnt)
 216 #define expected_BPF_PROG_QUERY_struct_size 28
 217
 218 #endif /* !STRACE_BPF_ATTR_H */