netdev - [PATCH iproute2-next v2 1/2] libbpf: set kernel_log

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Message-ID: <20231027085706.25718-2-shung-hsi.yu@suse.com>
Date: Fri, 27 Oct 2023 16:57:05 +0800
From: Shung-Hsi Yu <shung-hsi.yu@...e.com>
To: netdev@...r.kernel.org
Cc: Shung-Hsi Yu <shung-hsi.yu@...e.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	David Ahern <dsahern@...nel.org>,
	Toke Høiland-Jørgensen <toke@...hat.com>,
	dsahern@...il.com
Subject: [PATCH iproute2-next v2 1/2] libbpf: set kernel_log_level when available

libbpf allows setting the log_level in struct bpf_object_open_opts
through the kernel_log_level field since v0.7, use it to set log level
to align with bpf_prog_load_dev() and bpf_btf_load().

Signed-off-by: Shung-Hsi Yu <shung-hsi.yu@...e.com>
---
 lib/bpf_libbpf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/bpf_libbpf.c b/lib/bpf_libbpf.c
index e1c211a1..4a8a2032 100644
--- a/lib/bpf_libbpf.c
+++ b/lib/bpf_libbpf.c
@@ -287,6 +287,10 @@ static int load_bpf_object(struct bpf_cfg_in *cfg)
 			.pin_root_path = root_path,
 	);
 
+#if (LIBBPF_MAJOR_VERSION > 0) || (LIBBPF_MINOR_VERSION >= 7)
+	open_opts.kernel_log_level = 1;
+#endif
+
 	obj = bpf_object__open_file(cfg->object, &open_opts);
 	if (libbpf_get_error(obj)) {
 		fprintf(stderr, "ERROR: opening BPF object file failed\n");
-- 
2.42.0