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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD6FDC76196 for ; Thu, 6 Apr 2023 13:02:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236898AbjDFNCi (ORCPT ); Thu, 6 Apr 2023 09:02:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236782AbjDFNCh (ORCPT ); Thu, 6 Apr 2023 09:02:37 -0400 Received: from mail-wr1-x461.google.com (mail-wr1-x461.google.com [IPv6:2a00:1450:4864:20::461]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 45C628A42 for ; Thu, 6 Apr 2023 06:02:35 -0700 (PDT) Received: by mail-wr1-x461.google.com with SMTP id h17so39426115wrt.8 for ; Thu, 06 Apr 2023 06:02:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dectris.com; s=google; t=1680786154; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=lJTyubGtR9afjmMP145Wo4eieXkwomc+B8BdIn4crp4=; b=LUVXrdEAoV9dUnQ7+Y9pUxMz4cNKc2gzDcY4bL0V5NNAjSeX8JDmQkghnNyC65NW3j tXpyfa9hByTXsI7pWbVFipVgNkR5GcRi7JfigkrN0rI5MdIwAjxlwwF7N6MKCB6rVg6B zAGl6zHj+fJQFs4iJ1mLbBDaOUpf/FTlTkqeo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680786154; 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=lJTyubGtR9afjmMP145Wo4eieXkwomc+B8BdIn4crp4=; b=TIUgJGJDAgZgO+311V3sLo/exvGCTo06wrbnpcVaUcUzRlxt/AJOMoCeEea9EV2/d3 R/BnK1FPMSzz/0mWbWaIEn8Hi81+MJJMpdTTdCOLVDJTs4T54wk+n0HljWlwMnmBV/Bn 6+AbNl4bUHdZ0GaZ2BCiS2oE7rQ0Vi09ZfJFdVnaSAqPIBz4URSvC4yfmmGPNJaLq+Fa 4BYeLb0A+xDMYwdprBoaj/DSQJFQ9qtIcOih+EO3JJaImQL4AnSS6YGuPGvA8BzR6Xu0 C8RIvs65jE+KgWrY08w66yi4lS+0JiBqXKFOSP4JMCWbGRN9ds86eN+PaHKhsn1aNVKH d33w== X-Gm-Message-State: AAQBX9c41HKy5Dz6ZLkj9a981wgv08QX51I7UOMzjzNMJT+16hJStuQf 7LzYa8RjjEAssrrEH+xcvZwaj++HzkjbI+GyS4Z8bsjIsROE X-Google-Smtp-Source: AKy350ZJuEOdq2/XFfjsEgrMWKZpy6wjFQGhFwJ7LSmInG/+mNrqnKTo1u90+GvuaHQyIVA4dwWY714FS0T4 X-Received: by 2002:adf:dd8b:0:b0:2ee:c42e:a54e with SMTP id x11-20020adfdd8b000000b002eec42ea54emr1692233wrl.50.1680786144488; Thu, 06 Apr 2023 06:02:24 -0700 (PDT) Received: from fedora.dectris.local (dect-ch-bad-pfw.cyberlink.ch. [62.12.151.50]) by smtp-relay.gmail.com with ESMTPS id s3-20020adfeb03000000b002e62dd5b3d6sm65625wrn.3.2023.04.06.06.02.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Apr 2023 06:02:24 -0700 (PDT) X-Relaying-Domain: dectris.com From: Kal Conley To: Alexei Starovoitov , Daniel Borkmann , "David S. Miller" , Jakub Kicinski , Jesper Dangaard Brouer , John Fastabend Cc: Kal Conley , netdev@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH bpf-next v3 0/3] xsk: Support UMEM chunk_size > PAGE_SIZE Date: Thu, 6 Apr 2023 15:02:02 +0200 Message-Id: <20230406130205.49996-1-kal.conley@dectris.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The main purpose of this patchset is to add AF_XDP support for UMEM chunk sizes > PAGE_SIZE. This is enabled for UMEMs backed by HugeTLB pages. Changes since v2: * Related fixes/improvements included with v2 have been removed. These changes have all been resubmitted as standalone patchsets. * Minimize uses of #ifdef CONFIG_HUGETLB_PAGE. * Improve AF_XDP documentation. * Update benchmark table in commit message. Changes since v1: * Add many fixes/improvements to the XSK selftests. * Add check for unaligned descriptors that overrun UMEM. * Fix compile errors when CONFIG_HUGETLB_PAGE is not set. * Fix incorrect use of _Static_assert. * Update AF_XDP documentation. * Rename unaligned 9K frame size test. * Make xp_check_dma_contiguity less conservative. * Add more information to benchmark table. Thanks to Magnus Karlsson for all his support! Happy easter! Kal Conley (3): xsk: Support UMEM chunk_size > PAGE_SIZE selftests: xsk: Use hugepages when umem->frame_size > PAGE_SIZE selftests: xsk: Add tests for 8K and 9K frame sizes Documentation/networking/af_xdp.rst | 36 ++++++++++------- include/net/xdp_sock.h | 1 + include/net/xdp_sock_drv.h | 12 ++++++ include/net/xsk_buff_pool.h | 3 +- net/xdp/xdp_umem.c | 51 ++++++++++++++++++++---- net/xdp/xsk_buff_pool.c | 28 ++++++++----- tools/testing/selftests/bpf/xskxceiver.c | 27 ++++++++++++- tools/testing/selftests/bpf/xskxceiver.h | 2 + 8 files changed, 127 insertions(+), 33 deletions(-) -- 2.39.2