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bpf: Change BPF_MAX_TRAMP_LINKS to enum

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This way it's possible to query its value from testcases using BTF.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230128000650.1516334-3-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Ilya Leoshkevich 2023-01-28 01:06:21 +01:00 committed by Alexei Starovoitov
parent bf3849755a
commit 390a07a921
1 changed files with 3 additions and 1 deletions
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4
include/linux/bpf.h
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@ -939,7 +939,9 @@ struct btf_func_model {
/* Each call __bpf_prog_enter + call bpf_func + call __bpf_prog_exit is ~50
* bytes on x86.
*/
#define BPF_MAX_TRAMP_LINKS 38
enum {
BPF_MAX_TRAMP_LINKS = 38,
};
struct bpf_tramp_links {
struct bpf_tramp_link *links[BPF_MAX_TRAMP_LINKS];