|  | /* | 
|  | * Copyright (c) 2015-2018 Dmitry V. Levin <ldv@altlinux.org> | 
|  | * All rights reserved. | 
|  | * | 
|  | * Redistribution and use in source and binary forms, with or without | 
|  | * modification, are permitted provided that the following conditions | 
|  | * are met: | 
|  | * 1. Redistributions of source code must retain the above copyright | 
|  | *    notice, this list of conditions and the following disclaimer. | 
|  | * 2. Redistributions in binary form must reproduce the above copyright | 
|  | *    notice, this list of conditions and the following disclaimer in the | 
|  | *    documentation and/or other materials provided with the distribution. | 
|  | * 3. The name of the author may not be used to endorse or promote products | 
|  | *    derived from this software without specific prior written permission. | 
|  | * | 
|  | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | 
|  | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | 
|  | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | 
|  | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | 
|  | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | 
|  | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
|  | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
|  | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
|  | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 
|  | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  | */ | 
|  |  | 
|  | #ifndef STRACE_BPF_ATTR_H | 
|  | #define STRACE_BPF_ATTR_H | 
|  |  | 
|  | /* | 
|  | * The policy is that all fields of type uint64_t in this header file | 
|  | * must have ATTRIBUTE_ALIGNED(8). | 
|  | * | 
|  | * This should not cause any contradictions with <linux/bpf.h> | 
|  | * unless the latter is buggy. | 
|  | * | 
|  | * By word "buggy" I mean containing such changes as Linux kernel commit | 
|  | * v4.16-rc1~123^2~109^2~5^2~4. | 
|  | */ | 
|  |  | 
|  | #ifndef BPF_OBJ_NAME_LEN | 
|  | # define BPF_OBJ_NAME_LEN 16U | 
|  | #else | 
|  | # if BPF_OBJ_NAME_LEN != 16U | 
|  | #  error "Unexpected value of BPF_OBJ_NAME_LEN" | 
|  | # endif | 
|  | #endif | 
|  |  | 
|  | #ifndef BPF_TAG_SIZE | 
|  | # define BPF_TAG_SIZE 8 | 
|  | #else | 
|  | # if BPF_TAG_SIZE != 8 | 
|  | #  error "Unexpected value of BPF_TAG_SIZE" | 
|  | # endif | 
|  | #endif | 
|  |  | 
|  | struct BPF_MAP_CREATE_struct { | 
|  | uint32_t map_type; | 
|  | uint32_t key_size; | 
|  | uint32_t value_size; | 
|  | uint32_t max_entries; | 
|  | uint32_t map_flags; | 
|  | uint32_t inner_map_fd; | 
|  | uint32_t numa_node; | 
|  | char     map_name[BPF_OBJ_NAME_LEN]; | 
|  | uint32_t map_ifindex; | 
|  | }; | 
|  |  | 
|  | #define BPF_MAP_CREATE_struct_size \ | 
|  | sizeof(struct BPF_MAP_CREATE_struct) | 
|  | #define expected_BPF_MAP_CREATE_struct_size 48 | 
|  |  | 
|  | struct BPF_MAP_LOOKUP_ELEM_struct { | 
|  | uint32_t map_fd; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) key; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) value; | 
|  | }; | 
|  |  | 
|  | #define BPF_MAP_LOOKUP_ELEM_struct_size \ | 
|  | sizeof(struct BPF_MAP_LOOKUP_ELEM_struct) | 
|  | #define expected_BPF_MAP_LOOKUP_ELEM_struct_size 24 | 
|  |  | 
|  | struct BPF_MAP_UPDATE_ELEM_struct { | 
|  | uint32_t map_fd; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) key; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) value; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) flags; | 
|  | }; | 
|  |  | 
|  | #define BPF_MAP_UPDATE_ELEM_struct_size \ | 
|  | sizeof(struct BPF_MAP_UPDATE_ELEM_struct) | 
|  | #define expected_BPF_MAP_UPDATE_ELEM_struct_size 32 | 
|  |  | 
|  | struct BPF_MAP_DELETE_ELEM_struct { | 
|  | uint32_t map_fd; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) key; | 
|  | }; | 
|  |  | 
|  | #define BPF_MAP_DELETE_ELEM_struct_size \ | 
|  | sizeof(struct BPF_MAP_DELETE_ELEM_struct) | 
|  | #define expected_BPF_MAP_DELETE_ELEM_struct_size 16 | 
|  |  | 
|  | struct BPF_MAP_GET_NEXT_KEY_struct { | 
|  | uint32_t map_fd; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) key; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) next_key; | 
|  | }; | 
|  |  | 
|  | #define BPF_MAP_GET_NEXT_KEY_struct_size \ | 
|  | sizeof(struct BPF_MAP_GET_NEXT_KEY_struct) | 
|  | #define expected_BPF_MAP_GET_NEXT_KEY_struct_size 24 | 
|  |  | 
|  | struct BPF_PROG_LOAD_struct { | 
|  | uint32_t prog_type; | 
|  | uint32_t insn_cnt; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) insns; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) license; | 
|  | uint32_t log_level; | 
|  | uint32_t log_size; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) log_buf; | 
|  | uint32_t kern_version; | 
|  | uint32_t prog_flags; | 
|  | char     prog_name[BPF_OBJ_NAME_LEN]; | 
|  | uint32_t prog_ifindex; | 
|  | uint32_t expected_attach_type; | 
|  | }; | 
|  |  | 
|  | #define BPF_PROG_LOAD_struct_size \ | 
|  | offsetofend(struct BPF_PROG_LOAD_struct, expected_attach_type) | 
|  | #define expected_BPF_PROG_LOAD_struct_size 72 | 
|  |  | 
|  | struct BPF_OBJ_PIN_struct { | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) pathname; | 
|  | uint32_t bpf_fd; | 
|  | uint32_t file_flags; | 
|  | }; | 
|  |  | 
|  | #define BPF_OBJ_PIN_struct_size \ | 
|  | sizeof(struct BPF_OBJ_PIN_struct) | 
|  | #define expected_BPF_OBJ_PIN_struct_size 16 | 
|  |  | 
|  | #define BPF_OBJ_GET_struct BPF_OBJ_PIN_struct | 
|  | #define BPF_OBJ_GET_struct_size BPF_OBJ_PIN_struct_size | 
|  |  | 
|  | struct BPF_PROG_ATTACH_struct { | 
|  | uint32_t target_fd; | 
|  | uint32_t attach_bpf_fd; | 
|  | uint32_t attach_type; | 
|  | uint32_t attach_flags; | 
|  | }; | 
|  |  | 
|  | #define BPF_PROG_ATTACH_struct_size \ | 
|  | sizeof(struct BPF_PROG_ATTACH_struct) | 
|  | #define expected_BPF_PROG_ATTACH_struct_size 16 | 
|  |  | 
|  | struct BPF_PROG_DETACH_struct { | 
|  | uint32_t target_fd; | 
|  | uint32_t dummy; | 
|  | uint32_t attach_type; | 
|  | }; | 
|  |  | 
|  | #define BPF_PROG_DETACH_struct_size \ | 
|  | sizeof(struct BPF_PROG_DETACH_struct) | 
|  | #define expected_BPF_PROG_DETACH_struct_size 12 | 
|  |  | 
|  | struct BPF_PROG_TEST_RUN_struct /* test */ { | 
|  | uint32_t prog_fd; | 
|  | uint32_t retval; | 
|  | uint32_t data_size_in; | 
|  | uint32_t data_size_out; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) data_in; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) data_out; | 
|  | uint32_t repeat; | 
|  | uint32_t duration; | 
|  | }; | 
|  |  | 
|  | #define BPF_PROG_TEST_RUN_struct_size \ | 
|  | sizeof(struct BPF_PROG_TEST_RUN_struct) | 
|  | #define expected_BPF_PROG_TEST_RUN_struct_size 40 | 
|  |  | 
|  | struct BPF_PROG_GET_NEXT_ID_struct { | 
|  | uint32_t start_id; | 
|  | uint32_t next_id; | 
|  | uint32_t open_flags; | 
|  | }; | 
|  |  | 
|  | #define BPF_PROG_GET_NEXT_ID_struct_size \ | 
|  | sizeof(struct BPF_PROG_GET_NEXT_ID_struct) | 
|  | #define expected_BPF_PROG_GET_NEXT_ID_struct_size 12 | 
|  |  | 
|  | #define BPF_MAP_GET_NEXT_ID_struct BPF_PROG_GET_NEXT_ID_struct | 
|  | #define BPF_MAP_GET_NEXT_ID_struct_size BPF_PROG_GET_NEXT_ID_struct_size | 
|  |  | 
|  | struct BPF_PROG_GET_FD_BY_ID_struct { | 
|  | uint32_t prog_id; | 
|  | uint32_t next_id; | 
|  | uint32_t open_flags; | 
|  | }; | 
|  |  | 
|  | #define BPF_PROG_GET_FD_BY_ID_struct_size \ | 
|  | sizeof(struct BPF_PROG_GET_FD_BY_ID_struct) | 
|  | #define expected_BPF_PROG_GET_FD_BY_ID_struct_size 12 | 
|  |  | 
|  | struct BPF_MAP_GET_FD_BY_ID_struct { | 
|  | uint32_t map_id; | 
|  | uint32_t next_id; | 
|  | uint32_t open_flags; | 
|  | }; | 
|  |  | 
|  | #define BPF_MAP_GET_FD_BY_ID_struct_size \ | 
|  | sizeof(struct BPF_MAP_GET_FD_BY_ID_struct) | 
|  | #define expected_BPF_MAP_GET_FD_BY_ID_struct_size 12 | 
|  |  | 
|  | struct BPF_OBJ_GET_INFO_BY_FD_struct /* info */ { | 
|  | uint32_t bpf_fd; | 
|  | uint32_t info_len; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) info; | 
|  | }; | 
|  |  | 
|  | #define BPF_OBJ_GET_INFO_BY_FD_struct_size \ | 
|  | sizeof(struct BPF_OBJ_GET_INFO_BY_FD_struct) | 
|  | #define expected_BPF_OBJ_GET_INFO_BY_FD_struct_size 16 | 
|  |  | 
|  | struct BPF_PROG_QUERY_struct /* query */ { | 
|  | uint32_t target_fd; | 
|  | uint32_t attach_type; | 
|  | uint32_t query_flags; | 
|  | uint32_t attach_flags; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) prog_ids; | 
|  | uint32_t prog_cnt; | 
|  | }; | 
|  |  | 
|  | #define BPF_PROG_QUERY_struct_size \ | 
|  | offsetofend(struct BPF_PROG_QUERY_struct, prog_cnt) | 
|  | #define expected_BPF_PROG_QUERY_struct_size 28 | 
|  |  | 
|  | struct BPF_RAW_TRACEPOINT_OPEN_struct /* raw_tracepoint */ { | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) name; | 
|  | uint32_t prog_fd; | 
|  | }; | 
|  |  | 
|  | #define BPF_RAW_TRACEPOINT_OPEN_struct_size \ | 
|  | offsetofend(struct BPF_RAW_TRACEPOINT_OPEN_struct, prog_fd) | 
|  | #define expected_BPF_RAW_TRACEPOINT_OPEN_struct_size 12 | 
|  |  | 
|  | struct bpf_map_info_struct { | 
|  | uint32_t type; | 
|  | uint32_t id; | 
|  | uint32_t key_size; | 
|  | uint32_t value_size; | 
|  | uint32_t max_entries; | 
|  | uint32_t map_flags; | 
|  | char     name[BPF_OBJ_NAME_LEN]; | 
|  | uint32_t ifindex; | 
|  | /* | 
|  | * The kernel UAPI is broken by Linux commit | 
|  | * v4.16-rc1~123^2~109^2~5^2~4 . | 
|  | */ | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) netns_dev; /* skip check */ | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) netns_ino; /* skip check */ | 
|  | }; | 
|  |  | 
|  | #define bpf_map_info_struct_size \ | 
|  | sizeof(struct bpf_map_info_struct) | 
|  | #define expected_bpf_map_info_struct_size 64 | 
|  |  | 
|  | struct bpf_prog_info_struct { | 
|  | uint32_t type; | 
|  | uint32_t id; | 
|  | uint8_t  tag[BPF_TAG_SIZE]; | 
|  | uint32_t jited_prog_len; | 
|  | uint32_t xlated_prog_len; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) jited_prog_insns; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) xlated_prog_insns; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) load_time; | 
|  | uint32_t created_by_uid; | 
|  | uint32_t nr_map_ids; | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) map_ids; | 
|  | char     name[BPF_OBJ_NAME_LEN]; | 
|  | uint32_t ifindex; | 
|  | /* | 
|  | * The kernel UAPI is broken by Linux commit | 
|  | * v4.16-rc1~123^2~227^2~5^2~2 . | 
|  | */ | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) netns_dev; /* skip check */ | 
|  | uint64_t ATTRIBUTE_ALIGNED(8) netns_ino; /* skip check */ | 
|  | }; | 
|  |  | 
|  | #define bpf_prog_info_struct_size \ | 
|  | sizeof(struct bpf_prog_info_struct) | 
|  | #define expected_bpf_prog_info_struct_size 104 | 
|  |  | 
|  | #endif /* !STRACE_BPF_ATTR_H */ |