Re: [PATCH bpf-next] bpftool: recognize BPF_PROG_TYPE_CGROUP_DEVICE programs

From: Quentin Monnet
Date: Mon Jan 15 2018 - 14:32:10 EST


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.

Quentin