From patchwork Thu Aug 13 18:08:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joe Stringer X-Patchwork-Id: 1344379 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=wand.net.nz Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=smlkFr+R; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BSF1L5bNMz9sRK for ; Fri, 14 Aug 2020 04:08:22 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726174AbgHMSIR (ORCPT ); Thu, 13 Aug 2020 14:08:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47964 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726167AbgHMSIR (ORCPT ); Thu, 13 Aug 2020 14:08:17 -0400 Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC0E1C061757 for ; Thu, 13 Aug 2020 11:08:16 -0700 (PDT) Received: by mail-pg1-x544.google.com with SMTP id m34so3196726pgl.11 for ; Thu, 13 Aug 2020 11:08:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=j9OTxTnhv+MmIJnpSlGbqd2lqUESFkP194TAlXuIp4c=; b=smlkFr+R04KSC7hCaky/lScRar9l/gVRkDchVhwxUEItgndtDbl2xdoDQQ/EzvVI1U LJJ4Sf6PtUi8cU6gfJc1rMnXi1UltX74UsW4FQOdrQ9avhAHn0Oa8wtmbFkhKvB43ulV wHdO9r58OTtiW9616QCvHDtYNfIs1gvTDJAEcXMrjw9+3TWs7mf3aFju7V4tKc4jCJlH 8zsgjwvo1kca+dZeKAiH3U4U2QPRPWq5S/++eNPeby0Xz3bGeoHzZu1jjm+61mopNaAi 2bac3D2ylChU4iOSoieeNZSo9Z5rve9/VQphXdVgNXi+wwcTu/7GQ0at2uvmlko3Vdie GHPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; bh=j9OTxTnhv+MmIJnpSlGbqd2lqUESFkP194TAlXuIp4c=; b=b4uOUYyPq0lYU1n1g5wd9UICOCs074COgBCoCziC/DCjIUl18p9j/OepDefxsXhFYq isYCpC5q4aEtUyCR4N3V1dt6dhYS95yQg2tpJ9Smn9qryr81anKah5a/HetGsgnP755e b34pSC6Mx5iTtspmLwcw0ICZ2qtRPE11FFmnH4oPYFbwVePXZFSy08C3Sq4boOILbPQ+ QjNtqr/d1bLLOoRzhYTAojRVzmkS2OUMFhAKxp19nST+axe+l983k6Uvhra70n/gK7th +qYuitcv3SpUV+Xk5wnDZkfnDinMlbGKmy6BHHqnXkQfVg4iMrcFIuiyKR9r955Kt0QC fp9A== X-Gm-Message-State: AOAM530G1c+6xr1pDvjtFLdtiDP6UJzzSewBxUS1x8cBGXR/O4pzUaz2 2hEvYFyUCqbB8T0BbuG5rzrLUot8 X-Google-Smtp-Source: ABdhPJwXRebcOTvNMkZgzmtEyz2Ib772w5mcG1TVawhTRTv3M/C6eP5CxyyFjavOqs2P/FLvGWtKrA== X-Received: by 2002:a62:8881:: with SMTP id l123mr5332063pfd.186.1597342095419; Thu, 13 Aug 2020 11:08:15 -0700 (PDT) Received: from localhost.localdomain (c-73-93-5-123.hsd1.ca.comcast.net. [73.93.5.123]) by smtp.gmail.com with ESMTPSA id mh14sm6133348pjb.23.2020.08.13.11.08.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Aug 2020 11:08:14 -0700 (PDT) From: Joe Stringer To: bpf@vger.kernel.org Cc: daniel@iogearbox.net, ast@kernel.org Subject: [PATCH bpf] doc: Add link to bpf helpers man page Date: Thu, 13 Aug 2020 11:08:07 -0700 Message-Id: <20200813180807.2821735-1-joe@wand.net.nz> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org The bpf-helpers(7) man pages provide an invaluable description of the functions that an eBPF program can call at runtime. Link them here. Signed-off-by: Joe Stringer Acked-by: Martin KaFai Lau --- Documentation/bpf/index.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/bpf/index.rst b/Documentation/bpf/index.rst index d46429be334e..7e76f0705971 100644 --- a/Documentation/bpf/index.rst +++ b/Documentation/bpf/index.rst @@ -35,6 +35,10 @@ Two sets of Questions and Answers (Q&A) are maintained. bpf_design_QA bpf_devel_QA +Helper functions +================ + +* `bpf-helpers(7)`_ maintains a list of helpers available to eBPF programs. Program types ============= @@ -79,4 +83,5 @@ Other .. _networking-filter: ../networking/filter.rst .. _man-pages: https://www.kernel.org/doc/man-pages/ .. _bpf(2): https://man7.org/linux/man-pages/man2/bpf.2.html +.. _bpf-helpers(7): https://man7.org/linux/man-pages/man7/bpf-helpers.7.html .. _BPF and XDP Reference Guide: https://docs.cilium.io/en/latest/bpf/