From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id A2FC6A0093; Thu, 5 May 2022 16:01:05 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 868654014F; Thu, 5 May 2022 16:01:05 +0200 (CEST) Received: from us-smtp-delivery-74.mimecast.com (us-smtp-delivery-74.mimecast.com [170.10.129.74]) by mails.dpdk.org (Postfix) with ESMTP id 970FF40042 for ; Thu, 5 May 2022 16:01:03 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1651759263; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vXIeUjSi/7Eyikof+Z+vv04ir2qpb1UQJlUKKaWtpyI=; b=NkbIcG5P1x5khBFw+deIeJJwFNRNSU/1gPj+9pdX+3a0pMfmbw0+6mOfVuwIp0lBpZTsko 49PRnBp1Q0llO0GxRaOWai2Jt2EZ+w0dJ2auAyG1QQqVClbVfPHSK13z09HaxsYLkpzW/w Sj0Q2XmwAm+kznILO4EEMcyIzY0EK+A= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-669-E-h7dL2rMSOWfajLN_Fxcg-1; Thu, 05 May 2022 10:01:00 -0400 X-MC-Unique: E-h7dL2rMSOWfajLN_Fxcg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id EDF4D3810D2D; Thu, 5 May 2022 14:00:57 +0000 (UTC) Received: from [10.39.208.18] (unknown [10.39.208.18]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4FE1B407DEC3; Thu, 5 May 2022 14:00:56 +0000 (UTC) Message-ID: <28e02296-ee7b-35ae-5cf7-ce0a8bea1bd1@redhat.com> Date: Thu, 5 May 2022 16:00:55 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.0 Subject: Re: [PATCH] net/virtio: support NAPI when using vhost_net backend To: Harold Huang , dev@dpdk.org Cc: Chenbo Xia References: <20220302094105.148523-1-baymaxhuang@gmail.com> From: Maxime Coquelin In-Reply-To: <20220302094105.148523-1-baymaxhuang@gmail.com> X-Scanned-By: MIMEDefang 2.84 on 10.11.54.1 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=maxime.coquelin@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Hi Harold, On 3/2/22 10:41, Harold Huang wrote: > In patch [1], NAPI has been supported in kernel tun driver to accelerate > packet processing received from vhost_net. This will greatly improve the > throughput of the tap device in the vhost_net backend. > > [1]: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=fb3f903769e8 > > Signed-off-by: Harold Huang > --- > drivers/net/virtio/virtio_user/vhost_kernel.c | 9 +++++++-- > drivers/net/virtio/virtio_user/vhost_kernel_tap.c | 4 ++-- > drivers/net/virtio/virtio_user/vhost_kernel_tap.h | 3 ++- > 3 files changed, 11 insertions(+), 5 deletions(-) > Reviewed-by: Maxime Coquelin Thanks, Maxime