1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI__LINUX_BPF_H__ 20 #define _UAPI__LINUX_BPF_H__ 21 #include <linux/types.h> 22 #include <linux/bpf_common.h> 23 #define BPF_ALU64 0x07 24 #define BPF_DW 0x18 25 #define BPF_XADD 0xc0 26 #define BPF_MOV 0xb0 27 #define BPF_ARSH 0xc0 28 #define BPF_END 0xd0 29 #define BPF_TO_LE 0x00 30 #define BPF_TO_BE 0x08 31 #define BPF_FROM_LE BPF_TO_LE 32 #define BPF_FROM_BE BPF_TO_BE 33 #define BPF_JNE 0x50 34 #define BPF_JLT 0xa0 35 #define BPF_JLE 0xb0 36 #define BPF_JSGT 0x60 37 #define BPF_JSGE 0x70 38 #define BPF_JSLT 0xc0 39 #define BPF_JSLE 0xd0 40 #define BPF_CALL 0x80 41 #define BPF_EXIT 0x90 42 enum { 43 BPF_REG_0 = 0, 44 BPF_REG_1, 45 BPF_REG_2, 46 BPF_REG_3, 47 BPF_REG_4, 48 BPF_REG_5, 49 BPF_REG_6, 50 BPF_REG_7, 51 BPF_REG_8, 52 BPF_REG_9, 53 BPF_REG_10, 54 __MAX_BPF_REG, 55 }; 56 #define MAX_BPF_REG __MAX_BPF_REG 57 struct bpf_insn { 58 __u8 code; 59 __u8 dst_reg : 4; 60 __u8 src_reg : 4; 61 __s16 off; 62 __s32 imm; 63 }; 64 struct bpf_lpm_trie_key { 65 __u32 prefixlen; 66 __u8 data[0]; 67 }; 68 enum bpf_cmd { 69 BPF_MAP_CREATE, 70 BPF_MAP_LOOKUP_ELEM, 71 BPF_MAP_UPDATE_ELEM, 72 BPF_MAP_DELETE_ELEM, 73 BPF_MAP_GET_NEXT_KEY, 74 BPF_PROG_LOAD, 75 BPF_OBJ_PIN, 76 BPF_OBJ_GET, 77 BPF_PROG_ATTACH, 78 BPF_PROG_DETACH, 79 BPF_PROG_TEST_RUN, 80 BPF_PROG_GET_NEXT_ID, 81 BPF_MAP_GET_NEXT_ID, 82 BPF_PROG_GET_FD_BY_ID, 83 BPF_MAP_GET_FD_BY_ID, 84 BPF_OBJ_GET_INFO_BY_FD, 85 BPF_PROG_QUERY, 86 }; 87 enum bpf_map_type { 88 BPF_MAP_TYPE_UNSPEC, 89 BPF_MAP_TYPE_HASH, 90 BPF_MAP_TYPE_ARRAY, 91 BPF_MAP_TYPE_PROG_ARRAY, 92 BPF_MAP_TYPE_PERF_EVENT_ARRAY, 93 BPF_MAP_TYPE_PERCPU_HASH, 94 BPF_MAP_TYPE_PERCPU_ARRAY, 95 BPF_MAP_TYPE_STACK_TRACE, 96 BPF_MAP_TYPE_CGROUP_ARRAY, 97 BPF_MAP_TYPE_LRU_HASH, 98 BPF_MAP_TYPE_LRU_PERCPU_HASH, 99 BPF_MAP_TYPE_LPM_TRIE, 100 BPF_MAP_TYPE_ARRAY_OF_MAPS, 101 BPF_MAP_TYPE_HASH_OF_MAPS, 102 BPF_MAP_TYPE_DEVMAP, 103 BPF_MAP_TYPE_SOCKMAP, 104 BPF_MAP_TYPE_CPUMAP, 105 }; 106 enum bpf_prog_type { 107 BPF_PROG_TYPE_UNSPEC, 108 BPF_PROG_TYPE_SOCKET_FILTER, 109 BPF_PROG_TYPE_KPROBE, 110 BPF_PROG_TYPE_SCHED_CLS, 111 BPF_PROG_TYPE_SCHED_ACT, 112 BPF_PROG_TYPE_TRACEPOINT, 113 BPF_PROG_TYPE_XDP, 114 BPF_PROG_TYPE_PERF_EVENT, 115 BPF_PROG_TYPE_CGROUP_SKB, 116 BPF_PROG_TYPE_CGROUP_SOCK, 117 BPF_PROG_TYPE_LWT_IN, 118 BPF_PROG_TYPE_LWT_OUT, 119 BPF_PROG_TYPE_LWT_XMIT, 120 BPF_PROG_TYPE_SOCK_OPS, 121 BPF_PROG_TYPE_SK_SKB, 122 BPF_PROG_TYPE_CGROUP_DEVICE, 123 }; 124 enum bpf_attach_type { 125 BPF_CGROUP_INET_INGRESS, 126 BPF_CGROUP_INET_EGRESS, 127 BPF_CGROUP_INET_SOCK_CREATE, 128 BPF_CGROUP_SOCK_OPS, 129 BPF_SK_SKB_STREAM_PARSER, 130 BPF_SK_SKB_STREAM_VERDICT, 131 BPF_CGROUP_DEVICE, 132 __MAX_BPF_ATTACH_TYPE 133 }; 134 #define MAX_BPF_ATTACH_TYPE __MAX_BPF_ATTACH_TYPE 135 #define BPF_F_ALLOW_OVERRIDE (1U << 0) 136 #define BPF_F_ALLOW_MULTI (1U << 1) 137 #define BPF_F_STRICT_ALIGNMENT (1U << 0) 138 #define BPF_PSEUDO_MAP_FD 1 139 #define BPF_ANY 0 140 #define BPF_NOEXIST 1 141 #define BPF_EXIST 2 142 #define BPF_F_NO_PREALLOC (1U << 0) 143 #define BPF_F_NO_COMMON_LRU (1U << 1) 144 #define BPF_F_NUMA_NODE (1U << 2) 145 #define BPF_F_QUERY_EFFECTIVE (1U << 0) 146 #define BPF_OBJ_NAME_LEN 16U 147 #define BPF_F_RDONLY (1U << 3) 148 #define BPF_F_WRONLY (1U << 4) 149 union bpf_attr { 150 struct { 151 __u32 map_type; 152 __u32 key_size; 153 __u32 value_size; 154 __u32 max_entries; 155 __u32 map_flags; 156 __u32 inner_map_fd; 157 __u32 numa_node; 158 char map_name[BPF_OBJ_NAME_LEN]; 159 }; 160 struct { 161 __u32 map_fd; 162 __aligned_u64 key; 163 union { 164 __aligned_u64 value; 165 __aligned_u64 next_key; 166 }; 167 __u64 flags; 168 }; 169 struct { 170 __u32 prog_type; 171 __u32 insn_cnt; 172 __aligned_u64 insns; 173 __aligned_u64 license; 174 __u32 log_level; 175 __u32 log_size; 176 __aligned_u64 log_buf; 177 __u32 kern_version; 178 __u32 prog_flags; 179 char prog_name[BPF_OBJ_NAME_LEN]; 180 __u32 prog_ifindex; 181 }; 182 struct { 183 __aligned_u64 pathname; 184 __u32 bpf_fd; 185 __u32 file_flags; 186 }; 187 struct { 188 __u32 target_fd; 189 __u32 attach_bpf_fd; 190 __u32 attach_type; 191 __u32 attach_flags; 192 }; 193 struct { 194 __u32 prog_fd; 195 __u32 retval; 196 __u32 data_size_in; 197 __u32 data_size_out; 198 __aligned_u64 data_in; 199 __aligned_u64 data_out; 200 __u32 repeat; 201 __u32 duration; 202 } test; 203 struct { 204 union { 205 __u32 start_id; 206 __u32 prog_id; 207 __u32 map_id; 208 }; 209 __u32 next_id; 210 __u32 open_flags; 211 }; 212 struct { 213 __u32 bpf_fd; 214 __u32 info_len; 215 __aligned_u64 info; 216 } info; 217 struct { 218 __u32 target_fd; 219 __u32 attach_type; 220 __u32 query_flags; 221 __u32 attach_flags; 222 __aligned_u64 prog_ids; 223 __u32 prog_cnt; 224 } query; 225 } __attribute__((aligned(8))); 226 #define __BPF_FUNC_MAPPER(FN) FN(unspec), FN(map_lookup_elem), FN(map_update_elem), FN(map_delete_elem), FN(probe_read), FN(ktime_get_ns), FN(trace_printk), FN(get_prandom_u32), FN(get_smp_processor_id), FN(skb_store_bytes), FN(l3_csum_replace), FN(l4_csum_replace), FN(tail_call), FN(clone_redirect), FN(get_current_pid_tgid), FN(get_current_uid_gid), FN(get_current_comm), FN(get_cgroup_classid), FN(skb_vlan_push), FN(skb_vlan_pop), FN(skb_get_tunnel_key), FN(skb_set_tunnel_key), FN(perf_event_read), FN(redirect), FN(get_route_realm), FN(perf_event_output), FN(skb_load_bytes), FN(get_stackid), FN(csum_diff), FN(skb_get_tunnel_opt), FN(skb_set_tunnel_opt), FN(skb_change_proto), FN(skb_change_type), FN(skb_under_cgroup), FN(get_hash_recalc), FN(get_current_task), FN(probe_write_user), FN(current_task_under_cgroup), FN(skb_change_tail), FN(skb_pull_data), FN(csum_update), FN(set_hash_invalid), FN(get_numa_node_id), FN(skb_change_head), FN(xdp_adjust_head), FN(probe_read_str), FN(get_socket_cookie), FN(get_socket_uid), FN(set_hash), FN(setsockopt), FN(skb_adjust_room), FN(redirect_map), FN(sk_redirect_map), FN(sock_map_update), FN(xdp_adjust_meta), FN(perf_event_read_value), FN(perf_prog_read_value), FN(getsockopt), 227 #define __BPF_ENUM_FN(x) BPF_FUNC_ ##x 228 enum bpf_func_id { 229 __BPF_FUNC_MAPPER(__BPF_ENUM_FN) __BPF_FUNC_MAX_ID, 230 }; 231 #undef __BPF_ENUM_FN 232 #define BPF_F_RECOMPUTE_CSUM (1ULL << 0) 233 #define BPF_F_INVALIDATE_HASH (1ULL << 1) 234 #define BPF_F_HDR_FIELD_MASK 0xfULL 235 #define BPF_F_PSEUDO_HDR (1ULL << 4) 236 #define BPF_F_MARK_MANGLED_0 (1ULL << 5) 237 #define BPF_F_MARK_ENFORCE (1ULL << 6) 238 #define BPF_F_INGRESS (1ULL << 0) 239 #define BPF_F_TUNINFO_IPV6 (1ULL << 0) 240 #define BPF_F_SKIP_FIELD_MASK 0xffULL 241 #define BPF_F_USER_STACK (1ULL << 8) 242 #define BPF_F_FAST_STACK_CMP (1ULL << 9) 243 #define BPF_F_REUSE_STACKID (1ULL << 10) 244 #define BPF_F_ZERO_CSUM_TX (1ULL << 1) 245 #define BPF_F_DONT_FRAGMENT (1ULL << 2) 246 #define BPF_F_INDEX_MASK 0xffffffffULL 247 #define BPF_F_CURRENT_CPU BPF_F_INDEX_MASK 248 #define BPF_F_CTXLEN_MASK (0xfffffULL << 32) 249 enum bpf_adj_room_mode { 250 BPF_ADJ_ROOM_NET, 251 }; 252 struct __sk_buff { 253 __u32 len; 254 __u32 pkt_type; 255 __u32 mark; 256 __u32 queue_mapping; 257 __u32 protocol; 258 __u32 vlan_present; 259 __u32 vlan_tci; 260 __u32 vlan_proto; 261 __u32 priority; 262 __u32 ingress_ifindex; 263 __u32 ifindex; 264 __u32 tc_index; 265 __u32 cb[5]; 266 __u32 hash; 267 __u32 tc_classid; 268 __u32 data; 269 __u32 data_end; 270 __u32 napi_id; 271 __u32 family; 272 __u32 remote_ip4; 273 __u32 local_ip4; 274 __u32 remote_ip6[4]; 275 __u32 local_ip6[4]; 276 __u32 remote_port; 277 __u32 local_port; 278 __u32 data_meta; 279 }; 280 struct bpf_tunnel_key { 281 __u32 tunnel_id; 282 union { 283 __u32 remote_ipv4; 284 __u32 remote_ipv6[4]; 285 }; 286 __u8 tunnel_tos; 287 __u8 tunnel_ttl; 288 __u16 tunnel_ext; 289 __u32 tunnel_label; 290 }; 291 enum bpf_ret_code { 292 BPF_OK = 0, 293 BPF_DROP = 2, 294 BPF_REDIRECT = 7, 295 }; 296 struct bpf_sock { 297 __u32 bound_dev_if; 298 __u32 family; 299 __u32 type; 300 __u32 protocol; 301 __u32 mark; 302 __u32 priority; 303 }; 304 #define XDP_PACKET_HEADROOM 256 305 enum xdp_action { 306 XDP_ABORTED = 0, 307 XDP_DROP, 308 XDP_PASS, 309 XDP_TX, 310 XDP_REDIRECT, 311 }; 312 struct xdp_md { 313 __u32 data; 314 __u32 data_end; 315 __u32 data_meta; 316 }; 317 enum sk_action { 318 SK_DROP = 0, 319 SK_PASS, 320 }; 321 #define BPF_TAG_SIZE 8 322 struct bpf_prog_info { 323 __u32 type; 324 __u32 id; 325 __u8 tag[BPF_TAG_SIZE]; 326 __u32 jited_prog_len; 327 __u32 xlated_prog_len; 328 __aligned_u64 jited_prog_insns; 329 __aligned_u64 xlated_prog_insns; 330 __u64 load_time; 331 __u32 created_by_uid; 332 __u32 nr_map_ids; 333 __aligned_u64 map_ids; 334 char name[BPF_OBJ_NAME_LEN]; 335 } __attribute__((aligned(8))); 336 struct bpf_map_info { 337 __u32 type; 338 __u32 id; 339 __u32 key_size; 340 __u32 value_size; 341 __u32 max_entries; 342 __u32 map_flags; 343 char name[BPF_OBJ_NAME_LEN]; 344 } __attribute__((aligned(8))); 345 struct bpf_sock_ops { 346 __u32 op; 347 union { 348 __u32 reply; 349 __u32 replylong[4]; 350 }; 351 __u32 family; 352 __u32 remote_ip4; 353 __u32 local_ip4; 354 __u32 remote_ip6[4]; 355 __u32 local_ip6[4]; 356 __u32 remote_port; 357 __u32 local_port; 358 }; 359 enum { 360 BPF_SOCK_OPS_VOID, 361 BPF_SOCK_OPS_TIMEOUT_INIT, 362 BPF_SOCK_OPS_RWND_INIT, 363 BPF_SOCK_OPS_TCP_CONNECT_CB, 364 BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB, 365 BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB, 366 BPF_SOCK_OPS_NEEDS_ECN, 367 BPF_SOCK_OPS_BASE_RTT, 368 }; 369 #define TCP_BPF_IW 1001 370 #define TCP_BPF_SNDCWND_CLAMP 1002 371 struct bpf_perf_event_value { 372 __u64 counter; 373 __u64 enabled; 374 __u64 running; 375 }; 376 #define BPF_DEVCG_ACC_MKNOD (1ULL << 0) 377 #define BPF_DEVCG_ACC_READ (1ULL << 1) 378 #define BPF_DEVCG_ACC_WRITE (1ULL << 2) 379 #define BPF_DEVCG_DEV_BLOCK (1ULL << 0) 380 #define BPF_DEVCG_DEV_CHAR (1ULL << 1) 381 struct bpf_cgroup_dev_ctx { 382 __u32 access_type; 383 __u32 major; 384 __u32 minor; 385 }; 386 #endif 387