Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752438AbdHAUBK (ORCPT ); Tue, 1 Aug 2017 16:01:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:58672 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752552AbdHAT5g (ORCPT ); Tue, 1 Aug 2017 15:57:36 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E2F6623696 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=acme@kernel.org From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Daniel Borkmann , David Ahern , "David S . Miller" , Jiri Olsa , Lawrence Brakmo , Namhyung Kim , Wang Nan Subject: [PATCH 07/18] tools headers: Fixup tools/include/uapi/linux/bpf.h copy of kernel ABI header Date: Tue, 1 Aug 2017 16:56:34 -0300 Message-Id: <20170801195645.16986-8-acme@kernel.org> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170801195645.16986-1-acme@kernel.org> References: <20170801195645.16986-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2446 Lines: 63 From: Arnaldo Carvalho de Melo In 04df41e343db ("bpf: update tools/include/uapi/linux/bpf.h") the files added in 40304b2a1567 ("bpf: BPF support for sock_ops") were added to tools/include, but not in a verbatim way, missing the comments, which ends up triggering this warning when build tools/perf/: make: Entering directory '/home/acme/git/linux/tools/perf' BUILD: Doing 'make -j4' parallel build Warning: Kernel ABI header at 'tools/include/uapi/linux/bpf.h' differs from latest version at 'include/uapi/linux/bpf.h' Make sure the the lines are equal, to fix the simple header copy drift detector in tools/perf/. Cc: Adrian Hunter Cc: Daniel Borkmann Cc: David Ahern Cc: David S. Miller Cc: Jiri Olsa Cc: Lawrence Brakmo Cc: Namhyung Kim Cc: Wang Nan Fixes: 04df41e343db ("bpf: update tools/include/uapi/linux/bpf.h") Link: http://lkml.kernel.org/n/tip-z9qyyqht9qq3yyxu76sfy0dh@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/include/uapi/linux/bpf.h | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 8ff155ffcd84..e99e3e6f8b37 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -750,6 +750,8 @@ struct bpf_map_info { /* User bpf_sock_ops struct to access socket values and specify request ops * and their replies. + * Some of this fields are in network (bigendian) byte order and may need + * to be converted before use (bpf_ntohl() defined in samples/bpf/bpf_endian.h). * New fields can only be added at the end of this structure */ struct bpf_sock_ops { @@ -759,12 +761,12 @@ struct bpf_sock_ops { __u32 replylong[4]; }; __u32 family; - __u32 remote_ip4; - __u32 local_ip4; - __u32 remote_ip6[4]; - __u32 local_ip6[4]; - __u32 remote_port; - __u32 local_port; + __u32 remote_ip4; /* Stored in network byte order */ + __u32 local_ip4; /* Stored in network byte order */ + __u32 remote_ip6[4]; /* Stored in network byte order */ + __u32 local_ip6[4]; /* Stored in network byte order */ + __u32 remote_port; /* Stored in network byte order */ + __u32 local_port; /* stored in host byte order */ }; /* List of known BPF sock_ops operators. -- 2.9.4