tools/bpftool: Add ringbuf map to a list of known map types

Add symbolic name "ringbuf" to map to BPF_MAP_TYPE_RINGBUF. Without this,
users will see "type 27" instead of "ringbuf" in `map show` output.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200615225355.366256-1-andriin@fb.com

diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index c5fac80..99109a6 100644 (file)
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -49,6 +49,7 @@ const char * const map_type_name[] = {
        [BPF_MAP_TYPE_STACK]                    = "stack",
        [BPF_MAP_TYPE_SK_STORAGE]               = "sk_storage",
        [BPF_MAP_TYPE_STRUCT_OPS]               = "struct_ops",
+       [BPF_MAP_TYPE_RINGBUF]                  = "ringbuf",
 };
 
 const size_t map_type_name_size = ARRAY_SIZE(map_type_name);