From: Andrii Nakryiko <andrii@kernel.org>
To: <bpf@vger.kernel.org>, <ast@kernel.org>, <daniel@iogearbox.net>
Cc: <andrii@kernel.org>, <kernel-team@fb.com>
Subject: [PATCH bpf-next 11/11] bpftool: switch bpf_object__load_xattr() to bpf_object__load()
Date: Sun, 5 Dec 2021 12:32:34 -0800 [thread overview]
Message-ID: <20211205203234.1322242-12-andrii@kernel.org> (raw)
In-Reply-To: <20211205203234.1322242-1-andrii@kernel.org>
Switch all the uses of to-be-deprecated bpf_object__load_xattr() into
a simple bpf_object__load() calls with optional log_level passed through
open_opts.kernel_log_level, if -d option is specified.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
---
tools/bpf/bpftool/gen.c | 11 ++++-------
tools/bpf/bpftool/prog.c | 24 ++++++++++--------------
tools/bpf/bpftool/struct_ops.c | 15 +++++++--------
3 files changed, 21 insertions(+), 29 deletions(-)
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index 997a2865e04a..b4695df2ea3d 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -486,7 +486,6 @@ static void codegen_destroy(struct bpf_object *obj, const char *obj_name)
static int gen_trace(struct bpf_object *obj, const char *obj_name, const char *header_guard)
{
- struct bpf_object_load_attr load_attr = {};
DECLARE_LIBBPF_OPTS(gen_loader_opts, opts);
struct bpf_map *map;
char ident[256];
@@ -496,12 +495,7 @@ static int gen_trace(struct bpf_object *obj, const char *obj_name, const char *h
if (err)
return err;
- load_attr.obj = obj;
- if (verifier_logs)
- /* log_level1 + log_level2 + stats, but not stable UAPI */
- load_attr.log_level = 1 + 2 + 4;
-
- err = bpf_object__load_xattr(&load_attr);
+ err = bpf_object__load(obj);
if (err) {
p_err("failed to load object file");
goto out;
@@ -719,6 +713,9 @@ static int do_skeleton(int argc, char **argv)
if (obj_name[0] == '\0')
get_obj_name(obj_name, file);
opts.object_name = obj_name;
+ if (verifier_logs)
+ /* log_level1 + log_level2 + stats, but not stable UAPI */
+ opts.kernel_log_level = 1 + 2 + 4;
obj = bpf_object__open_mem(obj_data, file_sz, &opts);
err = libbpf_get_error(obj);
if (err) {
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 45ccc254e69f..f874896c4154 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -1464,7 +1464,6 @@ static int load_with_options(int argc, char **argv, bool first_prog_only)
DECLARE_LIBBPF_OPTS(bpf_object_open_opts, open_opts,
.relaxed_maps = relaxed_maps,
);
- struct bpf_object_load_attr load_attr = { 0 };
enum bpf_attach_type expected_attach_type;
struct map_replace *map_replace = NULL;
struct bpf_program *prog = NULL, *pos;
@@ -1598,6 +1597,10 @@ static int load_with_options(int argc, char **argv, bool first_prog_only)
set_max_rlimit();
+ if (verifier_logs)
+ /* log_level1 + log_level2 + stats, but not stable UAPI */
+ open_opts.kernel_log_level = 1 + 2 + 4;
+
obj = bpf_object__open_file(file, &open_opts);
if (libbpf_get_error(obj)) {
p_err("failed to open object file");
@@ -1677,12 +1680,7 @@ static int load_with_options(int argc, char **argv, bool first_prog_only)
goto err_close_obj;
}
- load_attr.obj = obj;
- if (verifier_logs)
- /* log_level1 + log_level2 + stats, but not stable UAPI */
- load_attr.log_level = 1 + 2 + 4;
-
- err = bpf_object__load_xattr(&load_attr);
+ err = bpf_object__load(obj);
if (err) {
p_err("failed to load object file");
goto err_close_obj;
@@ -1809,7 +1807,6 @@ static int do_loader(int argc, char **argv)
{
DECLARE_LIBBPF_OPTS(bpf_object_open_opts, open_opts);
DECLARE_LIBBPF_OPTS(gen_loader_opts, gen);
- struct bpf_object_load_attr load_attr = {};
struct bpf_object *obj;
const char *file;
int err = 0;
@@ -1818,6 +1815,10 @@ static int do_loader(int argc, char **argv)
return -1;
file = GET_ARG();
+ if (verifier_logs)
+ /* log_level1 + log_level2 + stats, but not stable UAPI */
+ open_opts.kernel_log_level = 1 + 2 + 4;
+
obj = bpf_object__open_file(file, &open_opts);
if (libbpf_get_error(obj)) {
p_err("failed to open object file");
@@ -1828,12 +1829,7 @@ static int do_loader(int argc, char **argv)
if (err)
goto err_close_obj;
- load_attr.obj = obj;
- if (verifier_logs)
- /* log_level1 + log_level2 + stats, but not stable UAPI */
- load_attr.log_level = 1 + 2 + 4;
-
- err = bpf_object__load_xattr(&load_attr);
+ err = bpf_object__load(obj);
if (err) {
p_err("failed to load object file");
goto err_close_obj;
diff --git a/tools/bpf/bpftool/struct_ops.c b/tools/bpf/bpftool/struct_ops.c
index cbdca37a53f0..2f693b082bdb 100644
--- a/tools/bpf/bpftool/struct_ops.c
+++ b/tools/bpf/bpftool/struct_ops.c
@@ -479,7 +479,7 @@ static int do_unregister(int argc, char **argv)
static int do_register(int argc, char **argv)
{
- struct bpf_object_load_attr load_attr = {};
+ LIBBPF_OPTS(bpf_object_open_opts, open_opts);
const struct bpf_map_def *def;
struct bpf_map_info info = {};
__u32 info_len = sizeof(info);
@@ -494,18 +494,17 @@ static int do_register(int argc, char **argv)
file = GET_ARG();
- obj = bpf_object__open(file);
+ if (verifier_logs)
+ /* log_level1 + log_level2 + stats, but not stable UAPI */
+ open_opts.kernel_log_level = 1 + 2 + 4;
+
+ obj = bpf_object__open_file(file, &open_opts);
if (libbpf_get_error(obj))
return -1;
set_max_rlimit();
- load_attr.obj = obj;
- if (verifier_logs)
- /* log_level1 + log_level2 + stats, but not stable UAPI */
- load_attr.log_level = 1 + 2 + 4;
-
- if (bpf_object__load_xattr(&load_attr)) {
+ if (bpf_object__load(obj)) {
bpf_object__close(obj);
return -1;
}
--
2.30.2
prev parent reply other threads:[~2021-12-05 20:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-05 20:32 [PATCH bpf-next 00/11] Enhance and rework logging controls in libbpf Andrii Nakryiko
2021-12-05 20:32 ` [PATCH bpf-next 01/11] libbpf: add OPTS-based bpf_btf_load() API Andrii Nakryiko
2021-12-05 20:32 ` [PATCH bpf-next 02/11] libbpf: allow passing preallocated log_buf when loading BTF into kernel Andrii Nakryiko
2021-12-05 20:32 ` [PATCH bpf-next 03/11] libbpf: allow passing user log setting through bpf_object_open_opts Andrii Nakryiko
2021-12-05 20:32 ` [PATCH bpf-next 04/11] libbpf: improve logging around BPF program loading Andrii Nakryiko
2021-12-05 20:32 ` [PATCH bpf-next 05/11] libbpf: preserve kernel error code and remove kprobe prog type guessing Andrii Nakryiko
2021-12-05 20:32 ` [PATCH bpf-next 06/11] libbpf: add per-program log buffer setter and getter Andrii Nakryiko
2021-12-07 19:41 ` Alexei Starovoitov
2021-12-07 22:48 ` Andrii Nakryiko
2021-12-05 20:32 ` [PATCH bpf-next 07/11] libbpf: deprecate bpf_object__load_xattr() Andrii Nakryiko
2021-12-05 20:32 ` [PATCH bpf-next 08/11] selftests/bpf: replace all uses of bpf_load_btf() with bpf_btf_load() Andrii Nakryiko
2021-12-05 20:32 ` [PATCH bpf-next 09/11] selftests/bpf: add test for libbpf's custom log_buf behavior Andrii Nakryiko
2021-12-05 20:32 ` [PATCH bpf-next 10/11] selftests/bpf: remove the only use of deprecated bpf_object__load_xattr() Andrii Nakryiko
2021-12-05 20:32 ` Andrii Nakryiko [this message]
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