^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * common eBPF ELF operations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (C) 2015 Huawei Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * This program is free software; you can redistribute it and/or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * modify it under the terms of the GNU Lesser General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * License as published by the Free Software Foundation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * version 2.1 of the License (not later!)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * This program is distributed in the hope that it will be useful,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * but WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * GNU Lesser General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * You should have received a copy of the GNU Lesser General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * License along with this program; if not, see <http://www.gnu.org/licenses>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #ifndef __LIBBPF_BPF_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define __LIBBPF_BPF_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/bpf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <stdbool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <stddef.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <stdint.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include "libbpf_common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #ifdef __cplusplus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) extern "C" {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct bpf_create_map_attr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) enum bpf_map_type map_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) __u32 map_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) __u32 key_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) __u32 value_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) __u32 max_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) __u32 numa_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) __u32 btf_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) __u32 btf_key_type_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) __u32 btf_value_type_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) __u32 map_ifindex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) __u32 inner_map_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) __u32 btf_vmlinux_value_type_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) LIBBPF_API int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) bpf_create_map_xattr(const struct bpf_create_map_attr *create_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) LIBBPF_API int bpf_create_map_node(enum bpf_map_type map_type, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int key_size, int value_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int max_entries, __u32 map_flags, int node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) LIBBPF_API int bpf_create_map_name(enum bpf_map_type map_type, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) int key_size, int value_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int max_entries, __u32 map_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) LIBBPF_API int bpf_create_map(enum bpf_map_type map_type, int key_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) int value_size, int max_entries, __u32 map_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) LIBBPF_API int bpf_create_map_in_map_node(enum bpf_map_type map_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) const char *name, int key_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) int inner_map_fd, int max_entries,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) __u32 map_flags, int node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) LIBBPF_API int bpf_create_map_in_map(enum bpf_map_type map_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) const char *name, int key_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) int inner_map_fd, int max_entries,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) __u32 map_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct bpf_load_program_attr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) enum bpf_prog_type prog_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) enum bpf_attach_type expected_attach_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) const struct bpf_insn *insns;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) size_t insns_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) const char *license;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) __u32 kern_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) __u32 attach_prog_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) __u32 prog_ifindex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) __u32 attach_btf_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) __u32 prog_btf_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) __u32 func_info_rec_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) const void *func_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) __u32 func_info_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) __u32 line_info_rec_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) const void *line_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) __u32 line_info_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) __u32 log_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) __u32 prog_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) /* Flags to direct loading requirements */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define MAPS_RELAX_COMPAT 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /* Recommend log buffer size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define BPF_LOG_BUF_SIZE (UINT32_MAX >> 8) /* verifier maximum in kernels <= 5.1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) LIBBPF_API int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) bpf_load_program_xattr(const struct bpf_load_program_attr *load_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) char *log_buf, size_t log_buf_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) LIBBPF_API int bpf_load_program(enum bpf_prog_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) const struct bpf_insn *insns, size_t insns_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) const char *license, __u32 kern_version,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) char *log_buf, size_t log_buf_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) LIBBPF_API int bpf_verify_program(enum bpf_prog_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) const struct bpf_insn *insns,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) size_t insns_cnt, __u32 prog_flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) const char *license, __u32 kern_version,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) char *log_buf, size_t log_buf_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) int log_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) LIBBPF_API int bpf_map_update_elem(int fd, const void *key, const void *value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) __u64 flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) LIBBPF_API int bpf_map_lookup_elem(int fd, const void *key, void *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) LIBBPF_API int bpf_map_lookup_elem_flags(int fd, const void *key, void *value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) __u64 flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) LIBBPF_API int bpf_map_lookup_and_delete_elem(int fd, const void *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) void *value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) LIBBPF_API int bpf_map_delete_elem(int fd, const void *key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) LIBBPF_API int bpf_map_get_next_key(int fd, const void *key, void *next_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) LIBBPF_API int bpf_map_freeze(int fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) struct bpf_map_batch_opts {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) size_t sz; /* size of this struct for forward/backward compatibility */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) __u64 elem_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) __u64 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #define bpf_map_batch_opts__last_field flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) LIBBPF_API int bpf_map_delete_batch(int fd, void *keys,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) __u32 *count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) const struct bpf_map_batch_opts *opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) LIBBPF_API int bpf_map_lookup_batch(int fd, void *in_batch, void *out_batch,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) void *keys, void *values, __u32 *count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) const struct bpf_map_batch_opts *opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) LIBBPF_API int bpf_map_lookup_and_delete_batch(int fd, void *in_batch,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) void *out_batch, void *keys,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) void *values, __u32 *count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) const struct bpf_map_batch_opts *opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) LIBBPF_API int bpf_map_update_batch(int fd, void *keys, void *values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) __u32 *count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) const struct bpf_map_batch_opts *opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) LIBBPF_API int bpf_obj_pin(int fd, const char *pathname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) LIBBPF_API int bpf_obj_get(const char *pathname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct bpf_prog_attach_opts {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) size_t sz; /* size of this struct for forward/backward compatibility */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) unsigned int flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) int replace_prog_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #define bpf_prog_attach_opts__last_field replace_prog_fd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) LIBBPF_API int bpf_prog_attach(int prog_fd, int attachable_fd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) enum bpf_attach_type type, unsigned int flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) LIBBPF_API int bpf_prog_attach_xattr(int prog_fd, int attachable_fd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) enum bpf_attach_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) const struct bpf_prog_attach_opts *opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) LIBBPF_API int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) LIBBPF_API int bpf_prog_detach2(int prog_fd, int attachable_fd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) enum bpf_attach_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) union bpf_iter_link_info; /* defined in up-to-date linux/bpf.h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct bpf_link_create_opts {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) size_t sz; /* size of this struct for forward/backward compatibility */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) __u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) union bpf_iter_link_info *iter_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) __u32 iter_info_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) __u32 target_btf_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) #define bpf_link_create_opts__last_field target_btf_id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) LIBBPF_API int bpf_link_create(int prog_fd, int target_fd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) enum bpf_attach_type attach_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) const struct bpf_link_create_opts *opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) LIBBPF_API int bpf_link_detach(int link_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) struct bpf_link_update_opts {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) size_t sz; /* size of this struct for forward/backward compatibility */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) __u32 flags; /* extra flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) __u32 old_prog_fd; /* expected old program FD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) #define bpf_link_update_opts__last_field old_prog_fd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) LIBBPF_API int bpf_link_update(int link_fd, int new_prog_fd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) const struct bpf_link_update_opts *opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) LIBBPF_API int bpf_iter_create(int link_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) struct bpf_prog_test_run_attr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) int prog_fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) int repeat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) const void *data_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) __u32 data_size_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) void *data_out; /* optional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) __u32 data_size_out; /* in: max length of data_out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) * out: length of data_out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) __u32 retval; /* out: return code of the BPF program */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) __u32 duration; /* out: average per repetition in ns */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) const void *ctx_in; /* optional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) __u32 ctx_size_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) void *ctx_out; /* optional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) __u32 ctx_size_out; /* in: max length of ctx_out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) * out: length of cxt_out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) LIBBPF_API int bpf_prog_test_run_xattr(struct bpf_prog_test_run_attr *test_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) * bpf_prog_test_run does not check that data_out is large enough. Consider
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) * using bpf_prog_test_run_xattr instead.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) LIBBPF_API int bpf_prog_test_run(int prog_fd, int repeat, void *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) __u32 size, void *data_out, __u32 *size_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) __u32 *retval, __u32 *duration);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) LIBBPF_API int bpf_prog_get_next_id(__u32 start_id, __u32 *next_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) LIBBPF_API int bpf_map_get_next_id(__u32 start_id, __u32 *next_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) LIBBPF_API int bpf_btf_get_next_id(__u32 start_id, __u32 *next_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) LIBBPF_API int bpf_link_get_next_id(__u32 start_id, __u32 *next_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) LIBBPF_API int bpf_prog_get_fd_by_id(__u32 id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) LIBBPF_API int bpf_map_get_fd_by_id(__u32 id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) LIBBPF_API int bpf_btf_get_fd_by_id(__u32 id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) LIBBPF_API int bpf_link_get_fd_by_id(__u32 id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) LIBBPF_API int bpf_obj_get_info_by_fd(int bpf_fd, void *info, __u32 *info_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) LIBBPF_API int bpf_prog_query(int target_fd, enum bpf_attach_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) __u32 query_flags, __u32 *attach_flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) __u32 *prog_ids, __u32 *prog_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) LIBBPF_API int bpf_raw_tracepoint_open(const char *name, int prog_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) LIBBPF_API int bpf_load_btf(const void *btf, __u32 btf_size, char *log_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) __u32 log_buf_size, bool do_log);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) LIBBPF_API int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) __u32 *buf_len, __u32 *prog_id, __u32 *fd_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) __u64 *probe_offset, __u64 *probe_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) enum bpf_stats_type; /* defined in up-to-date linux/bpf.h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) LIBBPF_API int bpf_enable_stats(enum bpf_stats_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) struct bpf_prog_bind_opts {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) size_t sz; /* size of this struct for forward/backward compatibility */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) __u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) #define bpf_prog_bind_opts__last_field flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) LIBBPF_API int bpf_prog_bind_map(int prog_fd, int map_fd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) const struct bpf_prog_bind_opts *opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) struct bpf_test_run_opts {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) size_t sz; /* size of this struct for forward/backward compatibility */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) const void *data_in; /* optional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) void *data_out; /* optional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) __u32 data_size_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) __u32 data_size_out; /* in: max length of data_out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) * out: length of data_out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) const void *ctx_in; /* optional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) void *ctx_out; /* optional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) __u32 ctx_size_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) __u32 ctx_size_out; /* in: max length of ctx_out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) * out: length of cxt_out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) __u32 retval; /* out: return code of the BPF program */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) int repeat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) __u32 duration; /* out: average per repetition in ns */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) __u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) __u32 cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) #define bpf_test_run_opts__last_field cpu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) LIBBPF_API int bpf_prog_test_run_opts(int prog_fd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) struct bpf_test_run_opts *opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) #ifdef __cplusplus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) } /* extern "C" */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) #endif /* __LIBBPF_BPF_H */