netdev - [PATCH bpf-next 4/4] bpftool: Show also the name of type BPF_OBJ

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Message-Id: <20220629154832.56986-5-laoar.shao@gmail.com>
Date:   Wed, 29 Jun 2022 15:48:32 +0000
From:   Yafang Shao <laoar.shao@...il.com>
To:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, quentin@...valent.com
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        Yafang Shao <laoar.shao@...il.com>
Subject: [PATCH bpf-next 4/4] bpftool: Show also the name of type BPF_OBJ_LINK

For example,
/sys/fs/bpf/maps.debug is a bpf link, when you run `bpftool map show` to
show it,
- before
  $ bpftool map show pinned /sys/fs/bpf/maps.debug
  Error: incorrect object type: unknown
- after
  $ bpftool map show pinned /sys/fs/bpf/maps.debug
  Error: incorrect object type: link

Signed-off-by: Yafang Shao <laoar.shao@...il.com>
---
 tools/bpf/bpftool/common.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index a0d4acd7c54a..5e979269c89a 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -251,6 +251,7 @@ const char *get_fd_type_name(enum bpf_obj_type type)
 		[BPF_OBJ_UNKNOWN]	= "unknown",
 		[BPF_OBJ_PROG]		= "prog",
 		[BPF_OBJ_MAP]		= "map",
+		[BPF_OBJ_LINK]		= "link",
 	};
 
 	if (type < 0 || type >= ARRAY_SIZE(names) || !names[type])
-- 
2.17.1