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tools, bpftool: Display license GPL compatible in prog show/list

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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 <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
This commit is contained in:
Jiri Olsa 2018-04-26 10:18:01 +02:00 • committed by Daniel Borkmann
commit 9b984a20ca
2 changed files with 5 additions and 1 deletions
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3
tools/bpf/bpftool/Documentation/bpftool-prog.rst
View file

@ -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,

3
tools/bpf/bpftool/prog.c
View file

@ -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) {