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authorJiri Olsa <jolsa@kernel.org>2018-04-26 10:18:01 +0200
committerDaniel Borkmann <daniel@iogearbox.net>2018-04-26 22:39:22 +0200
commit9b984a20ca84337af81cdab92d1e8ae37007894a (patch)
tree1f43b64539b0ddef3c6c53d467f8e2201f97d8ff
parentfb6ef42b5c8e4ce92c2c3c36398ad7574b290951 (diff)
downloadlinux-9b984a20ca84337af81cdab92d1e8ae37007894a.tar.bz2
tools, bpftool: Display license GPL compatible in prog show/list
Display the license "gpl" string in bpftool prog command, like: # bpftool prog list 5: tracepoint name func tag 57cd311f2e27366b gpl loaded_at Apr 26/09:37 uid 0 xlated 16B not jited memlock 4096B # bpftool --json --pretty prog show [{ "id": 5, "type": "tracepoint", "name": "func", "tag": "57cd311f2e27366b", "gpl_compatible": true, "loaded_at": "Apr 26/09:37", "uid": 0, "bytes_xlated": 16, "jited": false, "bytes_memlock": 4096 } ] Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-prog.rst3
-rw-r--r--tools/bpf/bpftool/prog.c3
2 files changed, 5 insertions, 1 deletions
diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
index 67ca6c69376c..43d34a5c3ec5 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
@@ -95,7 +95,7 @@ EXAMPLES
**# bpftool prog show**
::
- 10: xdp name some_prog tag 005a3d2123620c8b
+ 10: xdp name some_prog tag 005a3d2123620c8b gpl
loaded_at Sep 29/20:11 uid 0
xlated 528B jited 370B memlock 4096B map_ids 10
@@ -108,6 +108,7 @@ EXAMPLES
"id": 10,
"type": "xdp",
"tag": "005a3d2123620c8b",
+ "gpl_compatible": true,
"loaded_at": "Sep 29/20:11",
"uid": 0,
"bytes_xlated": 528,
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 548adb9b7317..e71a0a11afde 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -235,6 +235,8 @@ static void print_prog_json(struct bpf_prog_info *info, int fd)
info->tag[0], info->tag[1], info->tag[2], info->tag[3],
info->tag[4], info->tag[5], info->tag[6], info->tag[7]);
+ jsonw_bool_field(json_wtr, "gpl_compatible", info->gpl_compatible);
+
print_dev_json(info->ifindex, info->netns_dev, info->netns_ino);
if (info->load_time) {
@@ -295,6 +297,7 @@ static void print_prog_plain(struct bpf_prog_info *info, int fd)
printf("tag ");
fprint_hex(stdout, info->tag, BPF_TAG_SIZE, "");
print_dev_plain(info->ifindex, info->netns_dev, info->netns_ino);
+ printf("%s", info->gpl_compatible ? " gpl" : "");
printf("\n");
if (info->load_time) {