From nobody Sat Jul 12 04:59:13 2025 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1625560678593211.69489710485095; Tue, 6 Jul 2021 01:37:58 -0700 (PDT) Received: from localhost ([::1]:47016 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m0gab-0003JE-K2 for importer2@patchew.org; Tue, 06 Jul 2021 04:37:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52142) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m0gRe-00020j-JZ for qemu-devel@nongnu.org; Tue, 06 Jul 2021 04:28:42 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:40497) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m0gRc-0002uw-9J for qemu-devel@nongnu.org; Tue, 06 Jul 2021 04:28:42 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-539-GEui85HQOpujjBcdyu71lA-1; Tue, 06 Jul 2021 04:28:38 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 705A1804141; Tue, 6 Jul 2021 08:28:37 +0000 (UTC) Received: from localhost.localdomain (ovpn-13-227.pek2.redhat.com [10.72.13.227]) by smtp.corp.redhat.com (Postfix) with ESMTP id D3F4017A70; Tue, 6 Jul 2021 08:28:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1625560119; 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=QhYJ/O6+gxLZFzIcP8Sncd7pWbd0DQGZu9BeD+UIvJU=; b=e3nQf42yPMDqeaK/NzmTYQZ3OxwmZjwbwuYHl0CDdgG+zS2Xvm/urxOEyVcaltNcz2Psfs Xf9ajP+QwXGFwF1aRYD4EuMUdnbnlspUMTrEKYeGuIe5r6p/jnE8lsPzRLZSSFomkU3EoY ZFLcge1E92SasCLVTDQ7dyj+X38kfuQ= X-MC-Unique: GEui85HQOpujjBcdyu71lA-1 From: Jason Wang To: qemu-devel@nongnu.org, mst@redhat.com, jasowang@redhat.com Subject: [PATCH V2 14/18] net: introduce control client Date: Tue, 6 Jul 2021 16:27:13 +0800 Message-Id: <20210706082717.37730-15-jasowang@redhat.com> In-Reply-To: <20210706082717.37730-1-jasowang@redhat.com> References: <20210706082717.37730-1-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.442, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: eperezma@redhat.com, elic@nvidia.com, lingshan.zhu@intel.com, lulu@redhat.com Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1625560686805100007 Content-Type: text/plain; charset="utf-8" This patch introduces a boolean for the device has control queue which can accepts control command via network queue. The first user would be the control virtqueue support for vhost. Signed-off-by: Jason Wang --- include/net/net.h | 5 +++++ net/net.c | 24 +++++++++++++++++++++--- 2 files changed, 26 insertions(+), 3 deletions(-) diff --git a/include/net/net.h b/include/net/net.h index 5d1508081f..4f400b8a09 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -103,6 +103,7 @@ struct NetClientState { int vnet_hdr_len; bool is_netdev; bool do_not_pad; /* do not pad to the minimum ethernet frame length */ + bool is_datapath; QTAILQ_HEAD(, NetFilterState) filters; }; =20 @@ -134,6 +135,10 @@ NetClientState *qemu_new_net_client(NetClientInfo *inf= o, NetClientState *peer, const char *model, const char *name); +NetClientState *qemu_new_net_control_client(NetClientInfo *info, + NetClientState *peer, + const char *model, + const char *name); NICState *qemu_new_nic(NetClientInfo *info, NICConf *conf, const char *model, diff --git a/net/net.c b/net/net.c index 76bbb7c31b..fcaf9c7715 100644 --- a/net/net.c +++ b/net/net.c @@ -237,7 +237,8 @@ static void qemu_net_client_setup(NetClientState *nc, NetClientState *peer, const char *model, const char *name, - NetClientDestructor *destructor) + NetClientDestructor *destructor, + bool is_datapath) { nc->info =3D info; nc->model =3D g_strdup(model); @@ -256,6 +257,7 @@ static void qemu_net_client_setup(NetClientState *nc, =20 nc->incoming_queue =3D qemu_new_net_queue(qemu_deliver_packet_iov, nc); nc->destructor =3D destructor; + nc->is_datapath =3D is_datapath; QTAILQ_INIT(&nc->filters); } =20 @@ -270,7 +272,23 @@ NetClientState *qemu_new_net_client(NetClientInfo *inf= o, =20 nc =3D g_malloc0(info->size); qemu_net_client_setup(nc, info, peer, model, name, - qemu_net_client_destructor); + qemu_net_client_destructor, true); + + return nc; +} + +NetClientState *qemu_new_net_control_client(NetClientInfo *info, + NetClientState *peer, + const char *model, + const char *name) +{ + NetClientState *nc; + + assert(info->size >=3D sizeof(NetClientState)); + + nc =3D g_malloc0(info->size); + qemu_net_client_setup(nc, info, peer, model, name, + qemu_net_client_destructor, false); =20 return nc; } @@ -295,7 +313,7 @@ NICState *qemu_new_nic(NetClientInfo *info, =20 for (i =3D 0; i < queues; i++) { qemu_net_client_setup(&nic->ncs[i], info, peers[i], model, name, - NULL); + NULL, true); nic->ncs[i].queue_index =3D i; } =20 --=20 2.25.1