Messages in this thread Patch in this message |  | | From | Michal Rostecki <> | Subject | [PATCH bpf-next v2 2/2] bpftool: Add misc secion and probe for large INSN limit | Date | Tue, 7 Jan 2020 14:03:06 +0100 |
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Introduce a new probe section (misc) for probes not related to concrete map types, program types, functions or kernel configuration. Introduce a probe for large INSN limit as the first one in that section.
Signed-off-by: Michal Rostecki <mrostecki@opensuse.org> --- tools/bpf/bpftool/feature.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c index 03bdc5b3ac49..d8ce93092c45 100644 --- a/tools/bpf/bpftool/feature.c +++ b/tools/bpf/bpftool/feature.c @@ -572,6 +572,18 @@ probe_helpers_for_progtype(enum bpf_prog_type prog_type, bool supported_type, printf("\n"); } +static void +probe_large_insn_limit(const char *define_prefix, __u32 ifindex) +{ + bool res; + + res = bpf_probe_large_insn_limit(ifindex); + print_bool_feature("have_large_insn_limit", + "Large complexity and program size limit", + "HAVE_LARGE_INSN_LIMIT", + res, define_prefix); +} + static int do_probe(int argc, char **argv) { enum probe_component target = COMPONENT_UNSPEC; @@ -724,6 +736,12 @@ static int do_probe(int argc, char **argv) probe_helpers_for_progtype(i, supported_types[i], define_prefix, ifindex); + print_end_then_start_section("misc", + "Scanning miscellaneous eBPF features...", + "/*** eBPF misc features ***/", + define_prefix); + probe_large_insn_limit(define_prefix, ifindex); + exit_close_json: if (json_output) { /* End current "section" of probes */ -- 2.16.4
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