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strace/bpf_attr.h
Dmitry V. Levin d6c71dd061 Fix preprocessor indentation 
Indent the C preprocessor directives to reflect their nesting
using the following script:

$ cppi -l $(git grep -El '^[[:space:]]*#[[:space:]]*(if|ifdef|ifndef|elif|else|endif|define|pragma)[[:space:]]' |grep -v '\.sh$') |while read f; do
	cppi < "$f" > "$f".cppi; mv "$f".cppi "$f"
done
2018-12-30 15:35:21 +00:00

275 lines
6.9 KiB
C
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/*
* 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 */
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