MAJOR=4 MINOR=12 DEVNAME=tty12   File not found.   u__I|+? /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ /* * Common eBPF ELF object loading operations. * * Copyright (C) 2013-2015 Alexei Starovoitov * Copyright (C) 2015 Wang Nan * Copyright (C) 2015 Huawei Inc. */ #ifndef __LIBBPF_LIBBPF_H #define __LIBBPF_LIBBPF_H #include #include #include #include #include // for size_t #include #include "libbpf_common.h" #include "libbpf_legacy.h" #ifdef __cplusplus extern "C" { #endif LIBBPF_API __u32 libbpf_major_version(void); LIBBPF_API __u32 libbpf_minor_version(void); LIBBPF_API const char *libbpf_version_string(void); enum libbpf_errno { __LIBBPF_ERRNO__START = 4000, /* Something wrong in libelf */ LIBBPF_ERRNO__LIBELF = __LIBBPF_ERRNO__START, LIBBPF_ERRNO__FORMAT, /* BPF object format invalid */ LIBBPF_ERRNO__KVERSION, /* Incorrect or no 'version' section */ LIBBPF_ERRNO__ENDIAN, /* Endian mismatch */ LIBBPF_ERRNO__INTERNAL, /* Internal error in libbpf */ LIBBPF_ERRNO__RELOC, /* Relocation failed */ LIBBPF_ERRNO__LOAD, /* Load program failure for unknown reason */ LIBBPF_ERRNO__VERIFY, /* Kernel verifier blocks program loading */ LIBBPF_ERRNO__PROG2BIG, /* Program too big */ LIBBPF_ERRNO__KVER, /* Incorrect kernel version */ LIBBPF_ERRNO__PROGTYPE, /* Kernel doesn't support this program type */ LIBBPF_ERRNO__WRNGPID, /* Wrong pid in netlink message */ LIBBPF_ERRNO__INVSEQ, /* Invalid netlink sequence */ LIBBPF_ERRNO__NLPARSE, /* netlink parsing error */ __LIBBPF_ERRNO__END, }; LIBBPF_API int libbpf_strerror(int err, char *buf, size_t size); /** * @brief **libbpf_bpf_attach_type_str()** converts the provided attach type * value into a textual representation. * @param t The attach type. * @return Pointer to a static string identifying the attach type. NULL is * returned for unknown **bpf_attach_type** values. */ LIBBPF_API const char *libbpf_bpf_attach_type_str(enum bpf_attach_type t); /** * @brief **libbpf_bpf_link_type_str()** converts the provided link type value * into a textual representation. * @param t The link type. * @return Pointer to a static string identifying the link type. NULL is * returned for unknown **bpf_link_type** values. */ LIBBPF_API const char *libbpf_bpf_link_type_str(enum bpf_link_type t); /** * @brief **libbpf_bpf_map_type_str()** converts the provided map type value * into a textual representation. * @param t The map type. * @return Pointer to a static string identifying the map type. NULL is * returned for unknown **bpf_map_type** values. */ LIBBPF_API const char *libbpf_bpf_map_type_str(enum bpf_map_type t); /** * @brief **libbpf_bpf_prog_type_str()** converts the provided program type * value into a textual representation. * @param t The program type. * @return Pointer to a static string identifying the program type. NULL is * returned for unknown **bpf_prog_type** values. */ LIBBPF_API const char *libbpf_bpf_prog_type_str(enum bpf_prog_type t); enum libbpf_print_level { LIBBPF_WARN, LIBBPF_INFO, LIBBPF_DEBUG, }; typedef int (*libbpf_print_fn_t)(enum libbpf_print_level level, const char *, va_list ap); /** * @brief **libbpf_set_print()** sets user-provided log callback function to * be used for libbpf warnings and informational messages. If the user callback * is not set, messages are logged to stderr by default. The verbosity of these * messages can be controlled by setting the environment variable * LIBBPF_LOG_LEVEL to either warn, info, or debug. * @param fn The log print function. If NULL, libbpf won't print anything. * @return Pointer to old print function. * * This function is thread-safe. */ LIBBPF_API libbpf_print_fn_t libbpf_set_print(libbpf_print_fn_t fn); /* Hide internal to user */ struct bpf_object; struct bpf_object_open_opts { /* size of this struct, for forward/backward compatibility */ size_t sz; /* object