@@ -23,12 +23,3 @@
Print all logs available, even debug-level information. This includes
logs from libbpf as well as from the verifier, when attempting to
load programs.
-
--l, --legacy
- Use legacy libbpf mode which has more relaxed BPF program
- requirements. By default, bpftool has more strict requirements
- about section names, changes pinning logic and doesn't support
- some of the older non-BTF map declarations.
-
- See https://github.com/libbpf/libbpf/wiki/Libbpf:-the-road-to-v1.0
- for details.
@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-.. |COMMON_OPTIONS| replace:: { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** } | { **-l** | **--legacy** }
+.. |COMMON_OPTIONS| replace:: { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-d** | **--debug** }
@@ -261,7 +261,7 @@ _bpftool()
# Deal with options
if [[ ${words[cword]} == -* ]]; then
local c='--version --json --pretty --bpffs --mapcompat --debug \
- --use-loader --base-btf --legacy'
+ --use-loader --base-btf'
COMPREPLY=( $( compgen -W "$c" -- "$cur" ) )
return 0
fi
@@ -31,7 +31,6 @@ bool block_mount;
bool verifier_logs;
bool relaxed_maps;
bool use_loader;
-bool legacy_libbpf;
struct btf *base_btf;
struct hashmap *refs_table;
@@ -160,7 +159,6 @@ static int do_version(int argc, char **argv)
jsonw_start_object(json_wtr); /* features */
jsonw_bool_field(json_wtr, "libbfd", has_libbfd);
jsonw_bool_field(json_wtr, "llvm", has_llvm);
- jsonw_bool_field(json_wtr, "libbpf_strict", !legacy_libbpf);
jsonw_bool_field(json_wtr, "skeletons", has_skeletons);
jsonw_bool_field(json_wtr, "bootstrap", bootstrap);
jsonw_end_object(json_wtr); /* features */
@@ -179,7 +177,6 @@ static int do_version(int argc, char **argv)
printf("features:");
print_feature("libbfd", has_libbfd, &nb_features);
print_feature("llvm", has_llvm, &nb_features);
- print_feature("libbpf_strict", !legacy_libbpf, &nb_features);
print_feature("skeletons", has_skeletons, &nb_features);
print_feature("bootstrap", bootstrap, &nb_features);
printf("\n");
@@ -451,7 +448,6 @@ int main(int argc, char **argv)
{ "debug", no_argument, NULL, 'd' },
{ "use-loader", no_argument, NULL, 'L' },
{ "base-btf", required_argument, NULL, 'B' },
- { "legacy", no_argument, NULL, 'l' },
{ 0 }
};
bool version_requested = false;
@@ -524,9 +520,6 @@ int main(int argc, char **argv)
case 'L':
use_loader = true;
break;
- case 'l':
- legacy_libbpf = true;
- break;
default:
p_err("unrecognized option '%s'", argv[optind - 1]);
if (json_output)
@@ -536,14 +529,6 @@ int main(int argc, char **argv)
}
}
- if (!legacy_libbpf) {
- /* Allow legacy map definitions for skeleton generation.
- * It will still be rejected if users use LIBBPF_STRICT_ALL
- * mode for loading generated skeleton.
- */
- libbpf_set_strict_mode(LIBBPF_STRICT_ALL & ~LIBBPF_STRICT_MAP_DEFINITIONS);
- }
-
argc -= optind;
argv += optind;
if (argc < 0)
@@ -57,7 +57,7 @@ static inline void *u64_to_ptr(__u64 ptr)
#define HELP_SPEC_PROGRAM \
"PROG := { id PROG_ID | pinned FILE | tag PROG_TAG | name PROG_NAME }"
#define HELP_SPEC_OPTIONS \
- "OPTIONS := { {-j|--json} [{-p|--pretty}] | {-d|--debug} | {-l|--legacy}"
+ "OPTIONS := { {-j|--json} [{-p|--pretty}] | {-d|--debug}"
#define HELP_SPEC_MAP \
"MAP := { id MAP_ID | pinned FILE | name MAP_NAME }"
#define HELP_SPEC_LINK \
@@ -82,7 +82,6 @@ extern bool block_mount;
extern bool verifier_logs;
extern bool relaxed_maps;
extern bool use_loader;
-extern bool legacy_libbpf;
extern struct btf *base_btf;
extern struct hashmap *refs_table;
@@ -1802,11 +1802,6 @@ static int load_with_options(int argc, char **argv, bool first_prog_only)
else
bpf_object__unpin_programs(obj, pinfile);
err_close_obj:
- if (!legacy_libbpf) {
- p_info("Warning: bpftool is now running in libbpf strict mode and has more stringent requirements about BPF programs.\n"
- "If it used to work for this object file but now doesn't, see --legacy option for more details.\n");
- }
-
bpf_object__close(obj);
err_free_reuse_maps:
for (i = 0; i < old_map_fds; i++)
@@ -309,11 +309,11 @@ class MainHeaderFileExtractor(SourceFileExtractor):
commands), which looks to the lists of options in other source files
but has different start and end markers:
- "OPTIONS := { {-j|--json} [{-p|--pretty}] | {-d|--debug} | {-l|--legacy}"
+ "OPTIONS := { {-j|--json} [{-p|--pretty}] | {-d|--debug}"
Return a set containing all options, such as:
- {'-p', '-d', '--legacy', '--pretty', '--debug', '--json', '-l', '-j'}
+ {'-p', '-d', '--pretty', '--debug', '--json', '-j'}
"""
start_marker = re.compile(f'"OPTIONS :=')
pattern = re.compile('([\w-]+) ?(?:\||}[ }\]"])')
@@ -336,7 +336,7 @@ class ManSubstitutionsExtractor(SourceFileExtractor):
Return a set containing all options, such as:
- {'-p', '-d', '--legacy', '--pretty', '--debug', '--json', '-l', '-j'}
+ {'-p', '-d', '--pretty', '--debug', '--json', '-j'}
"""
start_marker = re.compile('\|COMMON_OPTIONS\| replace:: {')
pattern = re.compile('\*\*([\w/-]+)\*\*')
Following: commit bd054102a8c7 ("libbpf: enforce strict libbpf 1.0 behaviors") commit 93b8952d223a ("libbpf: deprecate legacy BPF map definitions") The --legacy option is no longer relevant as libbpf no longer supports it. libbpf_set_strict_mode() is a no-op operation. Signed-off-by: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@industrialdiscipline.com> Acked-by: Yonghong Song <yhs@fb.com> Reviewed-by: Quentin Monnet <quentin@isovalent.com> --- .../bpf/bpftool/Documentation/common_options.rst | 9 --------- tools/bpf/bpftool/Documentation/substitutions.rst | 2 +- tools/bpf/bpftool/bash-completion/bpftool | 2 +- tools/bpf/bpftool/main.c | 15 --------------- tools/bpf/bpftool/main.h | 3 +-- tools/bpf/bpftool/prog.c | 5 ----- .../selftests/bpf/test_bpftool_synctypes.py | 6 +++--- 7 files changed, 6 insertions(+), 36 deletions(-) -- 2.34.1