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libbpf: prog load: Allow to use fd_array_cnt

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Add new fd_array_cnt field to bpf_prog_load_opts
and pass it in bpf_attr, if set.

Signed-off-by: Anton Protopopov <aspsk@isovalent.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20241213130934.1087929-6-aspsk@isovalent.com
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Anton Protopopov authored and Andrii Nakryiko committed 2025-01-08 14:58:04 -08:00
1 parent 266da73237
commit 48c771c4ce
2 files changed
+6 -2
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src/bpf.h
+4 -1
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@@ -107,9 +107,12 @@ struct bpf_prog_load_opts {
*/
__u32 log_true_size;
__u32 token_fd;
/* if set, provides the length of fd_array */
__u32 fd_array_cnt;
size_t :0;
};
#define bpf_prog_load_opts__last_field token_fd
#define bpf_prog_load_opts__last_field fd_array_cnt
LIBBPF_API int bpf_prog_load(enum bpf_prog_type prog_type,
const char *prog_name, const char *license,