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authorDaniel Müller <deso@posteo.net>2022-05-23 23:04:28 +0000
committerAndrii Nakryiko <andrii@kernel.org>2022-06-02 16:26:38 -0700
commitc7e7e279dc8367920bddbe96115beef4ec2519a3 (patch)
tree9725374bdf40f5297876023dd660efa21f5cb9b1 /tools/bpf
parentdea73da2213a722d952840edd598f2f3a40ddc68 (diff)
bpftool: Use libbpf_bpf_link_type_str
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> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Quentin Monnet <quentin@isovalent.com> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20220523230428.3077108-13-deso@posteo.net
Diffstat (limited to 'tools/bpf')
-rw-r--r--tools/bpf/bpftool/link.c27
1 files changed, 10 insertions, 17 deletions
diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c
index 66a25450b598..7a20931c3250 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);