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tools: libbpf: add extended attributes version of bpf_object__open()

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Similarly to bpf_prog_load() users of bpf_object__open() may need
to specify the expected program type.  Program type is needed at
open to avoid the kernel version check for program types which don't
require it.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Jakub Kicinski
2018-07-10 14:43:02 -07:00
committed by Daniel Borkmann
parent f83fb22c6c
commit 07f2d4eac2
2 changed files with 26 additions and 6 deletions
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6
tools/lib/bpf/libbpf.h
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@@ -66,7 +66,13 @@ void libbpf_set_print(libbpf_print_fn_t warn,
/* Hide internal to user */
struct bpf_object;
struct bpf_object_open_attr {
const char *file;
enum bpf_prog_type prog_type;
};
struct bpf_object *bpf_object__open(const char *path);
struct bpf_object *bpf_object__open_xattr(struct bpf_object_open_attr *attr);
struct bpf_object *bpf_object__open_buffer(void *obj_buf,
size_t obj_buf_sz,
const char *name);