Message ID | 20210914223031.246951-1-yhs@fb.com (mailing list archive) |
---|---|
State | Accepted |
Commit | 5c07f2fec00361fb5e8cff8ba7fdede7b29f38bd |
Delegated to: | BPF |
Headers | show |
Series | bpf: add support for new btf kind BTF_KIND_TAG | expand |
Context | Check | Description |
---|---|---|
bpf/vmtest-bpf-next-PR | success | PR summary |
netdev/cover_letter | success | Link |
netdev/fixes_present | success | Link |
netdev/patch_count | success | Link |
netdev/tree_selection | success | Clearly marked for bpf-next |
netdev/subject_prefix | success | Link |
netdev/cc_maintainers | warning | 8 maintainers not CCed: thunder.leizhen@huawei.com kpsingh@kernel.org john.fastabend@gmail.com iii@linux.ibm.com songliubraving@fb.com quentin@isovalent.com netdev@vger.kernel.org kafai@fb.com |
netdev/source_inline | success | Was 0 now: 0 |
netdev/verify_signedoff | success | Link |
netdev/module_param | success | Was 0 now: 0 |
netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
netdev/verify_fixes | success | Link |
netdev/checkpatch | warning | WARNING: line length of 92 exceeds 80 columns |
netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
netdev/header_inline | success | Link |
bpf/vmtest-bpf-next | success | VM_Test |
diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c index f7e5ff3586c9..49743ad96851 100644 --- a/tools/bpf/bpftool/btf.c +++ b/tools/bpf/bpftool/btf.c @@ -37,6 +37,7 @@ static const char * const btf_kind_str[NR_BTF_KINDS] = { [BTF_KIND_VAR] = "VAR", [BTF_KIND_DATASEC] = "DATASEC", [BTF_KIND_FLOAT] = "FLOAT", + [BTF_KIND_TAG] = "TAG", }; struct btf_attach_table { @@ -347,6 +348,17 @@ static int dump_btf_type(const struct btf *btf, __u32 id, printf(" size=%u", t->size); break; } + case BTF_KIND_TAG: { + const struct btf_tag *tag = (const void *)(t + 1); + + if (json_output) { + jsonw_uint_field(w, "type_id", t->type); + jsonw_int_field(w, "component_idx", tag->component_idx); + } else { + printf(" type_id=%u component_idx=%d", t->type, tag->component_idx); + } + break; + } default: break; }