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libbpf: Add bpf_map__inner_map API

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The API gives access to inner map for map in map types (array or
hash of map). It will be used to dynamically set max_entries in it.

Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210408061310.95877-7-yauheni.kaliuta@redhat.com
This commit is contained in:
Andrii Nakryiko
2021-04-08 09:13:08 +03:00
parent 823648416c
commit f6de59dc3e
3 changed files with 12 additions and 0 deletions
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src/libbpf.h
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@@ -480,6 +480,7 @@ LIBBPF_API int bpf_map__pin(struct bpf_map *map, const char *path);
LIBBPF_API int bpf_map__unpin(struct bpf_map *map, const char *path);
LIBBPF_API int bpf_map__set_inner_map_fd(struct bpf_map *map, int fd);
LIBBPF_API struct bpf_map *bpf_map__inner_map(struct bpf_map *map);
LIBBPF_API long libbpf_get_error(const void *ptr);