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 74A6CC433E1 for ; Mon, 22 Jun 2020 09:21:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4C0A320708 for ; Mon, 22 Jun 2020 09:21:36 +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="ziifFybM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726620AbgFVJVf (ORCPT ); Mon, 22 Jun 2020 05:21:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726391AbgFVJVf (ORCPT ); Mon, 22 Jun 2020 05:21:35 -0400 Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4DE3C061794 for ; Mon, 22 Jun 2020 02:21:34 -0700 (PDT) Received: by mail-lj1-x242.google.com with SMTP id i3so18463695ljg.3 for ; Mon, 22 Jun 2020 02:21:34 -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=R9FLDfsyypApvleCpjp113KOQ+iZgPcYjwUlmrkJIMM=; b=ziifFybMVKl4ymdH0KTFoYqBWUVvKAjL2fNW8QyllqPIhQOOuadKDQoLlw6OzGfsjx MRRmpKNCdGIAxU8UZJ2FLtHuHu2w3SNVqaSGDQhEl5G4Z64+UK7FzxshK8dBLIu9SY4M pkJjJ7xyYlUo6XX1L75FhEkb+3GyyPlMYO/J9r0lkddwhRw27nGd9ce9u0go9sfdsq94 6J8u6cdBA/YLiVEbsSzWbxULJFWSpPxS/BVvhHNYAyiRGckIt/2Xz2uumx6NXfS/hoZV 2nd+7y4pTc0XQ9HqI20SxMWxvKxNnNedi9fGalfNatwfHTaMG7dDjwVm7/L/lloF+mTs fPTw== 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=R9FLDfsyypApvleCpjp113KOQ+iZgPcYjwUlmrkJIMM=; b=UDe/9cy2frAC6PnKhacCkCz08Gx6wgGZ89viNRrBw3S0TWcLM28zlOCcNOb6GC7QD0 BB4ln9EWZIQTaKofFDZnJ6frtqjo/gAgpo+AC5e4+hF2FnDlzG2NYBm8q7xUslcQXDcS r0AGZ8ytpZisAtx2Lj0XXJS8cu1QBiVC5wOLxcoYD1fkAGPJ3IEcErKIPYYbfwC4uMnr z5QA2SKZAPnp46SBMbZmVnGQ2OmkNowkV0UnAYrQ3bwnN4PaY0J8IHYimND+jdNJ8G5t uZVYpf55ktKvg0RlRjkan+uJWh6NuRUlO0sYUak9K9GtZJBlpcrCwPc56IFzZENaYT6G MDfA== X-Gm-Message-State: AOAM531J4weYso8xXrDlRkBmzzwzvgfHq+IdkFOKoUplH2msjOa1lOoO LoHhNtld/ILqANkwFKU25jWUNotL6UwuCQ== X-Google-Smtp-Source: ABdhPJz4PTpfzEdxbi+bc06khRqr+P5gjJQxl/bW4aNu383doZ+WYSaQeDQOFSnp984moSyrz6EX4A== X-Received: by 2002:a2e:581a:: with SMTP id m26mr8223979ljb.0.1592817693160; Mon, 22 Jun 2020 02:21:33 -0700 (PDT) Received: from centos7-pv-guest.localdomain ([5.35.13.201]) by smtp.gmail.com with ESMTPSA id w17sm3048028ljj.108.2020.06.22.02.21.32 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Jun 2020 02:21:32 -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 v10 0/3] xen networking: add XDP support to xen-netfront Date: Mon, 22 Jun 2020 12:21:09 +0300 Message-Id: <1592817672-2053-1-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. 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 | 32 ++++ drivers/net/xen-netfront.c | 332 ++++++++++++++++++++++++++++++++++-- include/xen/interface/io/netif.h | 18 +- 8 files changed, 399 insertions(+), 12 deletions(-) -- 1.8.3.1