diff options
Diffstat (limited to 'tools/lib/bpf/libbpf.h')
| -rw-r--r-- | tools/lib/bpf/libbpf.h | 50 |
1 files changed, 36 insertions, 14 deletions
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index a51594c7b518..dd7a513efb10 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -4,6 +4,19 @@ * Copyright (C) 2013-2015 Alexei Starovoitov <[email protected]> * Copyright (C) 2015 Wang Nan <[email protected]> * Copyright (C) 2015 Huawei Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> */ #ifndef __BPF_LIBBPF_H #define __BPF_LIBBPF_H @@ -19,13 +32,14 @@ enum libbpf_errno { 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 missmatch */ + 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__END, }; @@ -55,8 +69,8 @@ void bpf_object__close(struct bpf_object *object); /* Load/unload object into/from kernel */ int bpf_object__load(struct bpf_object *obj); int bpf_object__unload(struct bpf_object *obj); -const char *bpf_object__get_name(struct bpf_object *obj); -unsigned int bpf_object__get_kversion(struct bpf_object *obj); +const char *bpf_object__name(struct bpf_object *obj); +unsigned int bpf_object__kversion(struct bpf_object *obj); struct bpf_object *bpf_object__next(struct bpf_object *prev); #define bpf_object__for_each_safe(pos, tmp) \ @@ -78,11 +92,10 @@ struct bpf_program *bpf_program__next(struct bpf_program *prog, typedef void (*bpf_program_clear_priv_t)(struct bpf_program *, void *); -int bpf_program__set_private(struct bpf_program *prog, void *priv, - bpf_program_clear_priv_t clear_priv); +int bpf_program__set_priv(struct bpf_program *prog, void *priv, + bpf_program_clear_priv_t clear_priv); -int bpf_program__get_private(struct bpf_program *prog, - void **ppriv); +void *bpf_program__priv(struct bpf_program *prog); const char *bpf_program__title(struct bpf_program *prog, bool needs_copy); @@ -153,6 +166,15 @@ int bpf_program__set_prep(struct bpf_program *prog, int nr_instance, int bpf_program__nth_fd(struct bpf_program *prog, int n); /* + * Adjust type of bpf program. Default is kprobe. + */ +int bpf_program__set_tracepoint(struct bpf_program *prog); +int bpf_program__set_kprobe(struct bpf_program *prog); + +bool bpf_program__is_tracepoint(struct bpf_program *prog); +bool bpf_program__is_kprobe(struct bpf_program *prog); + +/* * We don't need __attribute__((packed)) now since it is * unnecessary for 'bpf_map_def' because they are all aligned. * In addition, using it will trigger -Wpacked warning message, @@ -171,7 +193,7 @@ struct bpf_map_def { */ struct bpf_map; struct bpf_map * -bpf_object__get_map_by_name(struct bpf_object *obj, const char *name); +bpf_object__find_map_by_name(struct bpf_object *obj, const char *name); struct bpf_map * bpf_map__next(struct bpf_map *map, struct bpf_object *obj); @@ -180,13 +202,13 @@ bpf_map__next(struct bpf_map *map, struct bpf_object *obj); (pos) != NULL; \ (pos) = bpf_map__next((pos), (obj))) -int bpf_map__get_fd(struct bpf_map *map); -int bpf_map__get_def(struct bpf_map *map, struct bpf_map_def *pdef); -const char *bpf_map__get_name(struct bpf_map *map); +int bpf_map__fd(struct bpf_map *map); +const struct bpf_map_def *bpf_map__def(struct bpf_map *map); +const char *bpf_map__name(struct bpf_map *map); typedef void (*bpf_map_clear_priv_t)(struct bpf_map *, void *); -int bpf_map__set_private(struct bpf_map *map, void *priv, - bpf_map_clear_priv_t clear_priv); -int bpf_map__get_private(struct bpf_map *map, void **ppriv); +int bpf_map__set_priv(struct bpf_map *map, void *priv, + bpf_map_clear_priv_t clear_priv); +void *bpf_map__priv(struct bpf_map *map); #endif |