From dbdd2c7f8cec2d09ae0e1bd707ae6050fa1c105f Mon Sep 17 00:00:00 2001 From: Andrii Nakryiko Date: Wed, 1 Dec 2021 15:28:17 -0800 Subject: libbpf: Add API to get/set log_level at per-program level Add bpf_program__set_log_level() and bpf_program__log_level() to fetch and adjust log_level sent during BPF_PROG_LOAD command. This allows to selectively request more or less verbose output in BPF verifier log. Also bump libbpf version to 0.7 and make these APIs the first in v0.7. Signed-off-by: Andrii Nakryiko Signed-off-by: Alexei Starovoitov Link: https://lore.kernel.org/bpf/20211201232824.3166325-3-andrii@kernel.org --- tools/lib/bpf/libbpf.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'tools/lib/bpf/libbpf.c') diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 1341ce539662..de260c94e418 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -8475,6 +8475,20 @@ int bpf_program__set_flags(struct bpf_program *prog, __u32 flags) return 0; } +__u32 bpf_program__log_level(const struct bpf_program *prog) +{ + return prog->log_level; +} + +int bpf_program__set_log_level(struct bpf_program *prog, __u32 log_level) +{ + if (prog->obj->loaded) + return libbpf_err(-EBUSY); + + prog->log_level = log_level; + return 0; +} + #define SEC_DEF(sec_pfx, ptype, atype, flags, ...) { \ .sec = sec_pfx, \ .prog_type = BPF_PROG_TYPE_##ptype, \ -- cgit v1.2.3-59-g8ed1b