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libbpf: Expose bpf_core_{add,free}_cands() to bpftool

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Expose bpf_core_add_cands() and bpf_core_free_cands() to handle
candidates list.

Signed-off-by: Mauricio Vásquez <mauricio@kinvolk.io>
Signed-off-by: Rafael David Tinoco <rafael.tinoco@aquasec.com>
Signed-off-by: Lorenzo Fontana <lorenzo.fontana@elastic.co>
Signed-off-by: Leonardo Di Donato <leonardo.didonato@elastic.co>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220215225856.671072-3-mauricio@kinvolk.io
This commit is contained in:
Mauricio Vásquez
2022-02-15 17:58:51 -05:00
committed by Andrii Nakryiko
parent adb8fa195e
commit 8de6cae40b
2 changed files with 19 additions and 7 deletions
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7
tools/lib/bpf/libbpf.c
View File

@@ -5192,13 +5192,16 @@ size_t bpf_core_essential_name_len(const char *name)
return n; return n;
} }
static void bpf_core_free_cands(struct bpf_core_cand_list *cands) void bpf_core_free_cands(struct bpf_core_cand_list *cands)
{ {
if (!cands)
return;
free(cands->cands); free(cands->cands);
free(cands); free(cands);
} }
static int bpf_core_add_cands(struct bpf_core_cand *local_cand, int bpf_core_add_cands(struct bpf_core_cand *local_cand,
size_t local_essent_len, size_t local_essent_len,
const struct btf *targ_btf, const struct btf *targ_btf,
const char *targ_btf_name, const char *targ_btf_name,

9
tools/lib/bpf/libbpf_internal.h
View File

@@ -529,4 +529,13 @@ static inline int ensure_good_fd(int fd)
return fd; return fd;
} }
/* The following two functions are exposed to bpftool */
int bpf_core_add_cands(struct bpf_core_cand *local_cand,
size_t local_essent_len,
const struct btf *targ_btf,
const char *targ_btf_name,
int targ_start_id,
struct bpf_core_cand_list *cands);
void bpf_core_free_cands(struct bpf_core_cand_list *cands);
#endif /* __LIBBPF_LIBBPF_INTERNAL_H */ #endif /* __LIBBPF_LIBBPF_INTERNAL_H */