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=-4.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 9D5B7C433E0 for ; Fri, 26 Jun 2020 11:41:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A36320857 for ; Fri, 26 Jun 2020 11:41:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linux-powerpc-org.20150623.gappssmtp.com header.i=@linux-powerpc-org.20150623.gappssmtp.com header.b="03tA0d1L" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728768AbgFZLlZ (ORCPT ); Fri, 26 Jun 2020 07:41:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45622 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725836AbgFZLlY (ORCPT ); Fri, 26 Jun 2020 07:41:24 -0400 Received: from mail-lf1-x143.google.com (mail-lf1-x143.google.com [IPv6:2a00:1450:4864:20::143]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49161C08C5C1 for ; Fri, 26 Jun 2020 04:41:24 -0700 (PDT) Received: by mail-lf1-x143.google.com with SMTP id c11so4976587lfh.8 for ; Fri, 26 Jun 2020 04:41:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-powerpc-org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=GlnsjuDVkSrOs3yKRu049A/EIb4ZUf1nGPv/1TwOotg=; b=03tA0d1L13Q2e0HYloOeE/N8x1L7D+7kIYqE+a9HALw8Q7kLidMtDaHxjbi3SzsMur 1OdRqFsJictn9Wy83NbZOTS4W3oFYHnTV50pnYJXA73erEE+ayQLSJ6JKs0LI3xbV7JL VEfw0Gxlf/bm4eFe8DM56CXLSc0Z4mj5dJ7EYHWvX1qi2dS04ElLjpI6S/zASU4oi7Lr sllPqOwPOrscZNNeWZx6QsN98MaLFDrrM+vJXohpCf8Lf6V67WFLfpJpko73X1mK4lly edVs3xp5Ebxph9cm1AVEAe0Z+zmwDYkur5ky8Q85jaPoYoE0u67Ji3ehc7/pAXQJeumM j5iw== 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; bh=GlnsjuDVkSrOs3yKRu049A/EIb4ZUf1nGPv/1TwOotg=; b=okkGsics5XsTTQSqeR2c2PV1HJilH5fNfBlrFOGyQsnikfkD+/o+H5x4Rd7TAqkUH/ 64u5l58YXx6kHGv5PCIftBSQwiBACitqu653zZQwFHOdYC4FSyuueVLQ3asYiYc8Uyy/ 0rLaVV4cX9pl2XGMiCqXfoDGWHIw4wKVRWiV9vJ3pWqmJ4H3zn0gOB7skg50h+7FzO69 a0ACQhp6i5a3aIvIeY9XJ1javIcpa3+Kpl2xz9TSOX9KvbZyf+RaL4E2h8wedc83xIqr F6EOGDpY42ZL3QunGITsHDTzZfwFonBngaM08a169JL0nJF/KwBSl1CKPO3G2URqj5Pq 53Vg== X-Gm-Message-State: AOAM530w6dHBapzNWHYhIAxUzA5cJ+ONcdeiFLdXxob3KJjRVdvNmHa0 ljyFY9kqcDUHyQy3IB6SuJtocxqVov9TqA== X-Google-Smtp-Source: ABdhPJz6yo/LLvMsm9HnDZeZiYm7z1436wE5otUQYda+X6G5KxEzipSWviPdK09DBVhvmKaUDalv0g== X-Received: by 2002:a05:6512:110e:: with SMTP id l14mr1522506lfg.25.1593171682667; Fri, 26 Jun 2020 04:41:22 -0700 (PDT) Received: from centos7-pv-guest.localdomain ([5.35.13.201]) by smtp.gmail.com with ESMTPSA id v22sm5464237ljg.12.2020.06.26.04.41.21 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Jun 2020 04:41:22 -0700 (PDT) From: Denis Kirjanov To: netdev@vger.kernel.org Cc: brouer@redhat.com, jgross@suse.com, wei.liu@kernel.org, paul@xen.org, ilias.apalodimas@linaro.org Subject: [PATCH net-next v13 0/3] xen networking: add XDP support to xen-netfront Date: Fri, 26 Jun 2020 14:40:36 +0300 Message-Id: <1593171639-8136-1-git-send-email-kda@linux-powerpc.org> X-Mailer: git-send-email 1.8.3.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The first patch adds a new extra type to enable proper synchronization between an RX request/response pair. The second patch implements BFP interface for xen-netfront. The third patch enables extra space for XDP processing. v13: - fixed compilation due to previous rename v12: - xen-netback: rename netfront_xdp_headroom to xdp_headroom v11: - add the new headroom constant to netif.h - xenbus_scanf check - lock a bulk of puckets in xennet_xdp_xmit() v10: - add a new xen_netif_extra_info type to enable proper synchronization between an RX request/response pair. - order local variable declarations v9: - assign an xdp program before switching to Reconfiguring - minor cleanups - address checkpatch issues v8: - add PAGE_POOL config dependency - keep the state of XDP processing in netfront_xdp_enabled - fixed allocator type in xdp_rxq_info_reg_mem_model() - minor cleanups in xen-netback v7: - use page_pool_dev_alloc_pages() on page allocation - remove the leftover break statement from netback_changed v6: - added the missing SOB line - fixed subject v5: - split netfront/netback changes - added a sync point between backend/frontend on switching to XDP - added pagepool API v4: - added verbose patch descriprion - don't expose the XDP headroom offset to the domU guest - add a modparam to netback to toggle XDP offset - don't process jumbo frames for now v3: - added XDP_TX support (tested with xdping echoserver) - added XDP_REDIRECT support (tested with modified xdp_redirect_kern) - moved xdp negotiation to xen-netback v2: - avoid data copying while passing to XDP - tell xen-netback that we need the headroom space Denis Kirjanov (3): xen: netif.h: add a new extra type for XDP xen networking: add basic XDP support for xen-netfront xen networking: add XDP offset adjustment to xen-netback drivers/net/Kconfig | 1 + drivers/net/xen-netback/common.h | 4 + drivers/net/xen-netback/interface.c | 2 + drivers/net/xen-netback/netback.c | 7 + drivers/net/xen-netback/rx.c | 15 +- drivers/net/xen-netback/xenbus.c | 34 ++++ drivers/net/xen-netfront.c | 337 ++++++++++++++++++++++++++++++++++-- include/xen/interface/io/netif.h | 20 ++- 8 files changed, 408 insertions(+), 12 deletions(-) -- 1.8.3.1