glebfm/strace
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
38ea49ad11
strace/bpf_attr.h
Dmitry V. Levin b93d52fe3d Change the license of strace to LGPL-2.1-or-later 
strace is now provided under the terms of the GNU Lesser General
Public License version 2.1 or later, see COPYING for more details.

strace test suite is now provided under the terms of the GNU General
Public License version 2 or later, see tests/COPYING for more details.
2018-12-10 00:00:00 +00:00

275 lines
6.9 KiB
C
Raw Blame History

/*
* Copyright (c) 2015-2018 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#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 */
Reference in New Issue View Git Blame Copy Permalink