From patchwork Tue Mar 9 10:13:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hangbin Liu X-Patchwork-Id: 396538 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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 51B12C433E9 for ; Tue, 9 Mar 2021 10:14:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D1016525F for ; Tue, 9 Mar 2021 10:14:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230393AbhCIKNw (ORCPT ); Tue, 9 Mar 2021 05:13:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230440AbhCIKNn (ORCPT ); Tue, 9 Mar 2021 05:13:43 -0500 Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47CE9C06174A; Tue, 9 Mar 2021 02:13:43 -0800 (PST) Received: by mail-pf1-x429.google.com with SMTP id x7so5718992pfi.7; Tue, 09 Mar 2021 02:13:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=riT0phGYjGUHW/YLJihzIjgFeb+VWCaERoM8ePBRDOA=; b=AhkO/Lrmv79j6kKjkY/uNgSZLAss9RRQ5IiYWFc7VB1yeVbGURdPfW1DzzllZVQMpj wKV1qhkhWLenzKNvux5tBDG5ynUpl7jhdmQgvq4qiyIURY7jK0KzAnqsp5kvVAe+OPM5 l/u8wEYNkSq+YFZT0ZgsP9x+ysQvgpuzYSeY7Hfn4LuknU2NUj2yr8jGCFyQV0OZuoll 2f/UnL0dD+CJstPUNcGTayUzpcVKdMKudF/w+0e+yRM5FC60o1wxdCobe9kcudeWr9tR Uyy9kYPYnqEhXUlQ/LkQ9ZFVa6lFhmfinrz8Y237GoM/+Qo7nMexfOOLcHUMy08dbFrX nx+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=riT0phGYjGUHW/YLJihzIjgFeb+VWCaERoM8ePBRDOA=; b=Ps4PhznamJcjPs7BWi9jrh+IaoswdqKvzZFDwUXQUHWYoTqfmKAXWPy/zyUigRQqQ2 5hWV5PaBsyMEQrdPuHF7wuTyfb3R4qFkMuobAa1ghWIdB4nLzbwQBRNs1QAmeILiWFb9 SXvuugWUtDcBKfspEA26EeXCEz9ieLmMZj6zLbO5dwqaA4gb7iHmJuonvp2+EBm6ezMc o9MmJsggn9BoxE5akAPBGqPoWzxXn+0KB+gHx8c79p5dR5xIN6NYcuNZt7Uh8K4TKTkd pYWAPronW64BFw41xQid3J4dl9IjJllqkIcK4caQOFVCPVvXxTjZFYgZ+wS2E8EPSwPP E3Nw== X-Gm-Message-State: AOAM532u4zJ2EA7Vb0XF2dzT99Rrb+5/tIxbzbWbmA4F43aqbLwkHMzb wJzxaMoZR5U+w7IAAw+5Va/tzCEUYeY= X-Google-Smtp-Source: ABdhPJzFKRtBQZ6ctRdIN8GdZrHRF/alzecWMXUs7GTh5yO/6vGbIugNDbb1a7iyGxsmdnNZmPoVMQ== X-Received: by 2002:a65:5a4a:: with SMTP id z10mr7153788pgs.240.1615284822589; Tue, 09 Mar 2021 02:13:42 -0800 (PST) Received: from Leo-laptop-t470s.redhat.com ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id 35sm12060426pgr.14.2021.03.09.02.13.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Mar 2021 02:13:42 -0800 (PST) From: Hangbin Liu To: bpf@vger.kernel.org Cc: netdev@vger.kernel.org, =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , Jiri Benc , Jesper Dangaard Brouer , Eelco Chaudron , ast@kernel.org, Daniel Borkmann , Lorenzo Bianconi , David Ahern , Andrii Nakryiko , Alexei Starovoitov , John Fastabend , Maciej Fijalkowski , Hangbin Liu Subject: [PATCHv2 bpf-next 0/4] xdp: extend xdp_redirect_map with broadcast support Date: Tue, 9 Mar 2021 18:13:17 +0800 Message-Id: <20210309101321.2138655-1-liuhangbin@gmail.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi, This patchset is a new implementation for XDP multicast support based on my previous patches[1]. The reason is that Daniel think the exclude map implementation is missing proper bond support in XDP context. And there is a plan to add native XDP bonding support. Adding a exclude map in the helper also increase the complex of verifier and has draw back of performace. So I was suggested to just extend xdp_redirect_map with broadcast support, which should be more easier and clear. Sorry to make you take a long time on previous patches review and need to help review this one again. [1] https://lore.kernel.org/bpf/20210223125809.1376577-1-liuhangbin@gmail.com v2: fix flag renaming issue in patch 02 Hangbin Liu (3): xdp: extend xdp_redirect_map with broadcast support sample/bpf: add xdp_redirect_map_multi for redirect_map broadcast test selftests/bpf: add xdp_redirect_multi test Jesper Dangaard Brouer (1): bpf: run devmap xdp_prog on flush instead of bulk enqueue include/linux/bpf.h | 16 + include/net/xdp.h | 1 + include/uapi/linux/bpf.h | 17 +- kernel/bpf/devmap.c | 253 +++++++++++---- net/core/filter.c | 74 ++++- net/core/xdp.c | 29 ++ samples/bpf/Makefile | 3 + samples/bpf/xdp_redirect_map_multi_kern.c | 87 +++++ samples/bpf/xdp_redirect_map_multi_user.c | 302 ++++++++++++++++++ tools/include/uapi/linux/bpf.h | 17 +- tools/testing/selftests/bpf/Makefile | 3 +- .../bpf/progs/xdp_redirect_multi_kern.c | 96 ++++++ .../selftests/bpf/test_xdp_redirect_multi.sh | 187 +++++++++++ .../selftests/bpf/xdp_redirect_multi.c | 236 ++++++++++++++ 14 files changed, 1253 insertions(+), 68 deletions(-) create mode 100644 samples/bpf/xdp_redirect_map_multi_kern.c create mode 100644 samples/bpf/xdp_redirect_map_multi_user.c create mode 100644 tools/testing/selftests/bpf/progs/xdp_redirect_multi_kern.c create mode 100755 tools/testing/selftests/bpf/test_xdp_redirect_multi.sh create mode 100644 tools/testing/selftests/bpf/xdp_redirect_multi.c