From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 89465C43334 for ; Wed, 5 Sep 2018 22:05:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4244A20839 for ; Wed, 5 Sep 2018 22:05:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="XmXN+G5+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4244A20839 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728214AbeIFChk (ORCPT ); Wed, 5 Sep 2018 22:37:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:51870 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727518AbeIFChj (ORCPT ); Wed, 5 Sep 2018 22:37:39 -0400 Received: from jouet.infradead.org (unknown [179.97.41.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6D5122073D; Wed, 5 Sep 2018 22:05:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1536185127; bh=b+szek/s/o/GcvPLNRfe9EqBlEQ6pzSjk0I3bWo3FtU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XmXN+G5+qLL0v84aFk6uEGvQjVetXWM+/isJVQZWvVeJyGN+/yGCJ84MtpRdawtex 8NmH23dHemlNrAd2zQEe1/lC8kz4Q6SjZ4Z8YeEtdl9O5ZXzu66y0YWIM0DOppdrCb XXf1GV5BfC7xBPakVNdRngBRCjW56EmlkiEte2oM= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , David Ahern , Jiri Olsa , Namhyung Kim , Wang Nan Subject: [PATCH 13/77] perf bpf: Add linux/socket.h to the headers accessible to bpf proggies Date: Wed, 5 Sep 2018 19:03:36 -0300 Message-Id: <20180905220440.20256-14-acme@kernel.org> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180905220440.20256-1-acme@kernel.org> References: <20180905220440.20256-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo So that we don't have to define sockaddr_storage in the augmented_syscalls.c bpf example when hooking into syscalls needing it, idea is to mimic the system headers. Eventually we probably need to have sys/socket.h, etc. Start by having at least linux/socket.h. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-yhzarcvsjue8pgpvkjhqgioc@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile.perf | 4 +++- tools/perf/include/bpf/linux/socket.h | 24 ++++++++++++++++++++++++ 2 files changed, 27 insertions(+), 1 deletion(-) create mode 100644 tools/perf/include/bpf/linux/socket.h diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 5224ade3d5af..92514fb3689f 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -779,7 +779,9 @@ endif ifndef NO_LIBBPF $(call QUIET_INSTALL, bpf-headers) \ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perf_include_instdir_SQ)/bpf'; \ - $(INSTALL) include/bpf/*.h -t '$(DESTDIR_SQ)$(perf_include_instdir_SQ)/bpf' + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perf_include_instdir_SQ)/bpf/linux'; \ + $(INSTALL) include/bpf/*.h -t '$(DESTDIR_SQ)$(perf_include_instdir_SQ)/bpf'; \ + $(INSTALL) include/bpf/linux/*.h -t '$(DESTDIR_SQ)$(perf_include_instdir_SQ)/bpf/linux' $(call QUIET_INSTALL, bpf-examples) \ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perf_examples_instdir_SQ)/bpf'; \ $(INSTALL) examples/bpf/*.c -t '$(DESTDIR_SQ)$(perf_examples_instdir_SQ)/bpf' diff --git a/tools/perf/include/bpf/linux/socket.h b/tools/perf/include/bpf/linux/socket.h new file mode 100644 index 000000000000..7f844568dab8 --- /dev/null +++ b/tools/perf/include/bpf/linux/socket.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_LINUX_SOCKET_H +#define _UAPI_LINUX_SOCKET_H + +/* + * Desired design of maximum size and alignment (see RFC2553) + */ +#define _K_SS_MAXSIZE 128 /* Implementation specific max size */ +#define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *)) + /* Implementation specific desired alignment */ + +typedef unsigned short __kernel_sa_family_t; + +struct __kernel_sockaddr_storage { + __kernel_sa_family_t ss_family; /* address family */ + /* Following field(s) are implementation specific */ + char __data[_K_SS_MAXSIZE - sizeof(unsigned short)]; + /* space to achieve desired size, */ + /* _SS_MAXSIZE value minus size of ss_family */ +} __attribute__ ((aligned(_K_SS_ALIGNSIZE))); /* force desired alignment */ + +#define sockaddr_storage __kernel_sockaddr_storage + +#endif /* _UAPI_LINUX_SOCKET_H */ -- 2.14.4