diff mbox series

[bpf-next,v2,12/12] bpftool: Use libbpf_bpf_link_type_str

Message ID 20220519001815.1944959-13-deso@posteo.net (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series libbpf: Textual representation of enums | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for bpf-next, async
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 8 maintainers not CCed: hawk@kernel.org davem@davemloft.net kpsingh@kernel.org kafai@fb.com john.fastabend@gmail.com songliubraving@fb.com netdev@vger.kernel.org kuba@kernel.org
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 47 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
bpf/vmtest-bpf-next-VM_Test-1 success Logs for Kernel LATEST on ubuntu-latest with gcc
bpf/vmtest-bpf-next-VM_Test-2 success Logs for Kernel LATEST on ubuntu-latest with llvm-15
bpf/vmtest-bpf-next-PR success PR summary
bpf/vmtest-bpf-next-VM_Test-3 success Logs for Kernel LATEST on z15 with gcc

Commit Message

Daniel Müller May 19, 2022, 12:18 a.m. UTC 
This change switches bpftool over to using the recently introduced
libbpf_bpf_link_type_str function instead of maintaining its own string
representation for the bpf_link_type enum.

Signed-off-by: Daniel Müller <deso@posteo.net>
---
 tools/bpf/bpftool/link.c | 27 ++++++++++-----------------
 1 file changed, 10 insertions(+), 17 deletions(-)
diff mbox series

Patch

diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c
index 66a254..7a2093 100644
--- a/tools/bpf/bpftool/link.c
+++ b/tools/bpf/bpftool/link.c
@@ -13,19 +13,6 @@ 
 #include "json_writer.h"
 #include "main.h"
 
-static const char * const link_type_name[] = {
-	[BPF_LINK_TYPE_UNSPEC]			= "unspec",
-	[BPF_LINK_TYPE_RAW_TRACEPOINT]		= "raw_tracepoint",
-	[BPF_LINK_TYPE_TRACING]			= "tracing",
-	[BPF_LINK_TYPE_CGROUP]			= "cgroup",
-	[BPF_LINK_TYPE_ITER]			= "iter",
-	[BPF_LINK_TYPE_NETNS]			= "netns",
-	[BPF_LINK_TYPE_XDP]			= "xdp",
-	[BPF_LINK_TYPE_PERF_EVENT]		= "perf_event",
-	[BPF_LINK_TYPE_KPROBE_MULTI]		= "kprobe_multi",
-	[BPF_LINK_TYPE_STRUCT_OPS]               = "struct_ops",
-};
-
 static struct hashmap *link_table;
 
 static int link_parse_fd(int *argc, char ***argv)
@@ -67,9 +54,12 @@  static int link_parse_fd(int *argc, char ***argv)
 static void
 show_link_header_json(struct bpf_link_info *info, json_writer_t *wtr)
 {
+	const char *link_type_str;
+
 	jsonw_uint_field(wtr, "id", info->id);
-	if (info->type < ARRAY_SIZE(link_type_name))
-		jsonw_string_field(wtr, "type", link_type_name[info->type]);
+	link_type_str = libbpf_bpf_link_type_str(info->type);
+	if (link_type_str)
+		jsonw_string_field(wtr, "type", link_type_str);
 	else
 		jsonw_uint_field(wtr, "type", info->type);
 
@@ -187,9 +177,12 @@  static int show_link_close_json(int fd, struct bpf_link_info *info)
 
 static void show_link_header_plain(struct bpf_link_info *info)
 {
+	const char *link_type_str;
+
 	printf("%u: ", info->id);
-	if (info->type < ARRAY_SIZE(link_type_name))
-		printf("%s  ", link_type_name[info->type]);
+	link_type_str = libbpf_bpf_link_type_str(info->type);
+	if (link_type_str)
+		printf("%s  ", link_type_str);
 	else
 		printf("type %u  ", info->type);