Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751283AbeAPBw6 (ORCPT + 1 other); Mon, 15 Jan 2018 20:52:58 -0500 Received: from www62.your-server.de ([213.133.104.62]:36940 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751090AbeAPBw4 (ORCPT ); Mon, 15 Jan 2018 20:52:56 -0500 Subject: Re: [PATCH bpf-next] bpftool: recognize BPF_PROG_TYPE_CGROUP_DEVICE programs To: Roman Gushchin , Quentin Monnet Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com, Jakub Kicinski , Alexei Starovoitov References: <20180115191615.13911-1-guro@fb.com> <34c43a17-7832-413e-fea8-4ad0f80f1585@netronome.com> <20180115194952.GA14131@castle.DHCP.thefacebook.com> From: Daniel Borkmann Message-ID: Date: Tue, 16 Jan 2018 02:52:51 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <20180115194952.GA14131@castle.DHCP.thefacebook.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Authenticated-Sender: daniel@iogearbox.net Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: 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 >>> 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 >>> Cc: Jakub Kicinski >>> Cc: Quentin Monnet >>> Cc: Daniel Borkmann >>> Cc: Alexei Starovoitov >>> --- >>> 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!