From patchwork Fri May 8 12:54:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuri Benditovich X-Patchwork-Id: 283159 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=-3.8 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 E399DC47254 for ; Fri, 8 May 2020 12:59:24 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B4305206D6 for ; Fri, 8 May 2020 12:59:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=daynix-com.20150623.gappssmtp.com header.i=@daynix-com.20150623.gappssmtp.com header.b="L1Ij0jCZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B4305206D6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=daynix.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:43600 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jX2b5-0007mh-O0 for qemu-devel@archiver.kernel.org; Fri, 08 May 2020 08:59:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53832) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jX2Wt-0007Fl-0L for qemu-devel@nongnu.org; Fri, 08 May 2020 08:55:03 -0400 Received: from mail-wm1-x342.google.com ([2a00:1450:4864:20::342]:33516) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jX2Wr-00038C-V4 for qemu-devel@nongnu.org; Fri, 08 May 2020 08:55:02 -0400 Received: by mail-wm1-x342.google.com with SMTP id v8so9863928wma.0 for ; Fri, 08 May 2020 05:55:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daynix-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=vcmawNGolcSr0FlfA8Z05/mM0RwBuCRKaqBzUPxedkw=; b=L1Ij0jCZdJJBVY32xz9q3sR2Me8MsfdCw2TgV2K7rUnvQw4ZVABM6tuCHL32Staj9s hMY0C20fw4BYr1vsK6SiouryIZUNscKN972FF9AZXDtxC4p/mlo5VKKNfHFCpaqCGO7U AL0JSNN7aq3dxAml7y0JukSXVGgq9C1MW5Qj33nKRgvaKjq3RJzaI/eKciOuVfs9tBp+ 0lGMju4NwYZYlkNwZH7bIrMkPKHQtCnf78xOllpk32iVGcz1IybXWB5nVhiqeLY7JmL/ sYJeYL6ggn5VuFCiAz/KVlVG5xiZjSqKBjp4clMjh9/FZc7RsNVirTZfo4adD9Y7wtaM XL+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; bh=vcmawNGolcSr0FlfA8Z05/mM0RwBuCRKaqBzUPxedkw=; b=eHLkKkYw5mfJCgJjlhnR5Pj1SjoBzQsBJUVftb74RccHoi0Q0PmoRrJQZjKbHK4C/t 6yrN6oR0hyeM35lOR4eUZiAIjb5tIL+J6raAmmtqczklxUNh3INz2vqU60up6wvZXtDP 8VlMar+VVsoTIMlncuxsuTUfa0lcamt3yDt5E3V0xRBk5QMCSygwd/gcC/VhjhB6NGZI 0mYoJJH+9hJuJQXvy91SasSg2G9E7JY8+8z81Ldd8K5S1HQNKytHDj3pDco/OHzm1Fp2 OMdxYoAfV3jnHa/aCSBKyV9odknnSeZ7IGC3rBikooyU+tnWsOvrYtq0oyfoXH7xrifk mq/Q== X-Gm-Message-State: AGi0PuYW+fDsCyKim5vHVqnxhCsi5FWTAqoLAcg4sW75qzmFHM7MYb3O esHjfeYRYG8LuREc/1/jcKZBFU/uS4oLKw== X-Google-Smtp-Source: APiQypKbuATsiCAum132TU/EJVQtXU5CtWuBx/QhL413iIb9o7XWQ241pUSVt7H9Rb5tVNGUhFmqwA== X-Received: by 2002:a1c:6a17:: with SMTP id f23mr15190455wmc.136.1588942499681; Fri, 08 May 2020 05:54:59 -0700 (PDT) Received: from f2.redhat.com (bzq-79-183-19-16.red.bezeqint.net. [79.183.19.16]) by smtp.gmail.com with ESMTPSA id a8sm2852375wrg.85.2020.05.08.05.54.58 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 08 May 2020 05:54:58 -0700 (PDT) From: Yuri Benditovich To: qemu-devel@nongnu.org, mst@redhat.com, jasowang@redhat.com, quintela@redhat.com, dgilbert@redhat.com Subject: [PATCH 0/7] reference implementation of RSS and hash report Date: Fri, 8 May 2020 15:54:45 +0300 Message-Id: <20200508125452.7802-1-yuri.benditovich@daynix.com> X-Mailer: git-send-email 2.17.1 Received-SPF: none client-ip=2a00:1450:4864:20::342; envelope-from=yuri.benditovich@daynix.com; helo=mail-wm1-x342.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yan@daynix.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Support for VIRTIO_NET_F_RSS and VIRTIO_NET_F_HASH_REPORT features in QEMU for reference purpose. Implements Toeplitz hash calculation for incoming packets according to configuration provided by driver. Uses calculated hash for decision on receive virtqueue and/or reports the hash in the virtio header Changes from v7: Patch 7.1: removed (RSS and hash report definitions) Patch 7.2: delete configuration struct with RSS definitions Patch 7.4: delete duplicated packet structure Added patch 7 - adapt RSC definitions to updated header Yuri Benditovich (7): virtio-net: implement RSS configuration command virtio-net: implement RX RSS processing tap: allow extended virtio header with hash info virtio-net: reference implementation of hash report vmstate.h: provide VMSTATE_VARRAY_UINT16_ALLOC macro virtio-net: add migration support for RSS and hash report virtio-net: align RSC fields with updated virtio-net header hw/net/trace-events | 3 + hw/net/virtio-net.c | 387 +++++++++++++++++++++++++++++---- include/hw/virtio/virtio-net.h | 16 ++ include/migration/vmstate.h | 10 + net/tap.c | 3 +- 5 files changed, 379 insertions(+), 40 deletions(-)