From patchwork Fri Oct 21 12:15:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maryam Tahhan X-Patchwork-Id: 13014681 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63470C433FE for ; Fri, 21 Oct 2022 11:20:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229660AbiJULUx (ORCPT ); Fri, 21 Oct 2022 07:20:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229635AbiJULUw (ORCPT ); Fri, 21 Oct 2022 07:20:52 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB15E3DF38 for ; Fri, 21 Oct 2022 04:20:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1666351250; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ReqbEj8BqOln93pvlV1AGFFDODx76Z1OSm0u26Ew1ZQ=; b=Fs+M1IfkX8ArVNFZIBXynk6MfoNvLpj8g48Xd8vtgYXsDl1ddE1Y52KBz1SJKd64WZ327V uh/krXpoMv99I7VFXGeB1jcVorOF6DHeaHVwjfMPPOUemBbfNasxYd0kkTG1Uvk4nE2m8X mbnKLaB2NJA5E5PFe5XLIP3qArNVd/E= Received: from mail-qk1-f198.google.com (mail-qk1-f198.google.com [209.85.222.198]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-338-McTtlbZfNb20owuSD_wyBQ-1; Fri, 21 Oct 2022 07:20:49 -0400 X-MC-Unique: McTtlbZfNb20owuSD_wyBQ-1 Received: by mail-qk1-f198.google.com with SMTP id i11-20020a05620a404b00b006eeb0791c1aso3281049qko.10 for ; Fri, 21 Oct 2022 04:20:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ReqbEj8BqOln93pvlV1AGFFDODx76Z1OSm0u26Ew1ZQ=; b=sp0ZAsF3NVnZyaJIpehWHWpAqjwwY2eduDi3pHVmhkvxwGJzAPtjcSLbZcrwE7a0vX hwzq5dWaoh44mDVlO9rCUzRjNfhmKix9L6/AIvwYpHssu4W2S965mbqBrcg3wkbHTDGj FAnlxXnZdAVmcKvuw5LDQIorGboYI1IXXhVrbMpsoK4r8CLJ1ZlNgJaANamtZtBUCA3g 1LUeWiYkuzpYwbfObdUQLvp3K7n79Zg+ThiXvJ5DlPSAe1m1++xHt3gDuaixjPZleEya F3b1tfS6BKJG0iEMn3KHztYTApcn17UxypyjuWpxTpH0iGypmDCEBTjrxvwfxFruLxmJ 1BOA== X-Gm-Message-State: ACrzQf34E9jZl4CGS9PWcEB2KrWWzzWiKNKxmI+EgbfYLNhbrQEUAppk d0WT9ekYLOTOpo2Gel619YbDIGD8mibVeFv3OBsdSPT2bWXhOep87ATuvd5CvxulhHAdqp/xOwr z5kSA2c7LxPb+BtMyJBgbzLoV8S+P8BLybnJG8cZrol/kyzY21Ar4jBEW2rMYZG4= X-Received: by 2002:a05:620a:16d5:b0:6ec:52ab:e8bd with SMTP id a21-20020a05620a16d500b006ec52abe8bdmr12849031qkn.424.1666351248779; Fri, 21 Oct 2022 04:20:48 -0700 (PDT) X-Google-Smtp-Source: AMsMyM6P8dlyWGTrZobZd3w5ieHLYuNRCnqoDjXom734aeT3HyS1kvD7hNbry43KHSZ1JgSdyY/NOw== X-Received: by 2002:a05:620a:16d5:b0:6ec:52ab:e8bd with SMTP id a21-20020a05620a16d500b006ec52abe8bdmr12849007qkn.424.1666351248493; Fri, 21 Oct 2022 04:20:48 -0700 (PDT) Received: from nfvsdn-06.testing.baremetal.edge-sites.net (nat-pool-232-132.redhat.com. [66.187.232.132]) by smtp.gmail.com with ESMTPSA id c25-20020ac81119000000b003996aa171b9sm7766604qtj.97.2022.10.21.04.20.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 04:20:47 -0700 (PDT) From: mtahhan@redhat.com To: bpf@vger.kernel.org, linux-doc@vger.kernel.org Cc: Maryam Tahhan Subject: [PATCH bpf-next v3 0/1] doc: DEVMAPs and XDP_REDIRECT Date: Fri, 21 Oct 2022 08:15:56 -0400 Message-Id: <20221021121557.3486894-1-mtahhan@redhat.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net From: Maryam Tahhan Add documentation for BPF_MAP_TYPE_DEVMAP and BPF_MAP_TYPE_DEVMAP_HASH including kernel version introduced, usage and examples. Add documentation that describes XDP_REDIRECT. v2->v3: - Update examples in DEVMAPs documentation for broadcast scenario. - Update key reference for BPF_MAP_TYPE_DEVMAP_HASH (doesn't have to be ifindex). - Remove information re xdp_redirect internals. v1->v2: - Separate xdp_redirect documentation to its own file. - Clean up and simplify examples and usage function descriptions. Maryam Tahhan (1): doc: DEVMAPs and XDP_REDIRECT Documentation/bpf/index.rst | 1 + Documentation/bpf/map_devmap.rst | 208 +++++++++++++++++++++++++++++++ Documentation/bpf/redirect.rst | 41 ++++++ 3 files changed, 250 insertions(+) create mode 100644 Documentation/bpf/map_devmap.rst create mode 100644 Documentation/bpf/redirect.rst