Re: [PATCH bpf-next] bpftool: recognize BPF_PROG_TYPE_CGROUP_DEVICE programs
From: Daniel Borkmann
Date: Mon Jan 15 2018 - 20:53:11 EST
On 01/15/2018 08:49 PM, Roman Gushchin wrote:
> On Mon, Jan 15, 2018 at 07:32:01PM +0000, Quentin Monnet wrote:
>> 2018-01-15 19:16 UTC+0000 ~ Roman Gushchin <guro@xxxxxx>
>>> Bpftool doesn't recognize BPF_PROG_TYPE_CGROUP_DEVICE programs,
>>> so the prog show command prints the numeric type value:
>>>
>>> $ bpftool prog show
>>> 1: type 15 name bpf_prog1 tag ac9f93dbfd6d9b74
>>> loaded_at Jan 15/07:58 uid 0
>>> xlated 96B jited 105B memlock 4096B
>>>
>>> This patch defines the corresponding textual representation:
>>>
>>> $ bpftool prog show
>>> 1: cgroup_device name bpf_prog1 tag ac9f93dbfd6d9b74
>>> loaded_at Jan 15/07:58 uid 0
>>> xlated 96B jited 105B memlock 4096B
>>>
>>> Signed-off-by: Roman Gushchin <guro@xxxxxx>
>>> Cc: Jakub Kicinski <jakub.kicinski@xxxxxxxxxxxxx>
>>> Cc: Quentin Monnet <quentin.monnet@xxxxxxxxxxxxx>
>>> Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
>>> Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
>>> ---
>>> tools/bpf/bpftool/prog.c | 1 +
>>> 1 file changed, 1 insertion(+)
>>>
>>> diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
>>> index c6a28be4665c..099e21cf1b5c 100644
>>> --- a/tools/bpf/bpftool/prog.c
>>> +++ b/tools/bpf/bpftool/prog.c
>>> @@ -66,6 +66,7 @@ static const char * const prog_type_name[] = {
>>> [BPF_PROG_TYPE_LWT_XMIT] = "lwt_xmit",
>>> [BPF_PROG_TYPE_SOCK_OPS] = "sock_ops",
>>> [BPF_PROG_TYPE_SK_SKB] = "sk_skb",
>>> + [BPF_PROG_TYPE_CGROUP_DEVICE] = "cgroup_device",
>>> };
>>>
>>> static void print_boot_time(__u64 nsecs, char *buf, unsigned int size)
>>
>> Looks good, thanks Roman!
>> Would you mind updating the map names as well? It seems the
>> BPF_MAP_TYPE_CPUMAP is missing from the list in map.c.
>
> Hello, Quentin!
>
> Sure, I'll take a look.
Ok, I presume this comes in as a separate one anyway, so I've applied
this one into bpf-next already, thanks Roman!