From patchwork Fri Jan 25 10:35:27 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 2043141 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 5A94ADF223 for ; Fri, 25 Jan 2013 10:44:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756584Ab3AYKou (ORCPT ); Fri, 25 Jan 2013 05:44:50 -0500 Received: from mx1.redhat.com ([209.132.183.28]:23258 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756327Ab3AYKot (ORCPT ); Fri, 25 Jan 2013 05:44:49 -0500 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r0PAibT1002240 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 25 Jan 2013 05:44:37 -0500 Received: from amd-6168-8-1.englab.nay.redhat.com (amd-6168-8-1.englab.nay.redhat.com [10.66.104.52]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id r0PAiEql025921; Fri, 25 Jan 2013 05:44:33 -0500 From: Jason Wang To: mst@redhat.com, qemu-devel@nongnu.org, aliguori@us.ibm.com, shajnocz@redhat.com Cc: krkumar2@in.ibm.com, kvm@vger.kernel.org, mprivozn@redhat.com, rusty@rustcorp.com.au, jwhan@filewood.snu.ac.kr, shiyer@redhat.com, gaowanlong@cn.fujitsu.com, Jason Wang Subject: [PATCH V2 04/20] net: introduce qemu_find_net_clients_except() Date: Fri, 25 Jan 2013 18:35:27 +0800 Message-Id: <1359110143-42984-5-git-send-email-jasowang@redhat.com> In-Reply-To: <1359110143-42984-1-git-send-email-jasowang@redhat.com> References: <1359110143-42984-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org In multiqueue, all NetClientState that belongs to the same netdev or nic has the same id. So this patches introduces an helper qemu_find_net_clients_except() which finds all NetClientState with the same id. This will be used by multiqueue networking. Signed-off-by: Jason Wang --- include/net/net.h | 2 ++ net/net.c | 21 +++++++++++++++++++++ 2 files changed, 23 insertions(+), 0 deletions(-) diff --git a/include/net/net.h b/include/net/net.h index f0d1aa2..995df5c 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -68,6 +68,8 @@ typedef struct NICState { } NICState; NetClientState *qemu_find_netdev(const char *id); +int qemu_find_net_clients_except(const char *id, NetClientState **ncs, + NetClientOptionsKind type, int max); NetClientState *qemu_new_net_client(NetClientInfo *info, NetClientState *peer, const char *model, diff --git a/net/net.c b/net/net.c index 8999f8d..6457fc0 100644 --- a/net/net.c +++ b/net/net.c @@ -508,6 +508,27 @@ NetClientState *qemu_find_netdev(const char *id) return NULL; } +int qemu_find_net_clients_except(const char *id, NetClientState **ncs, + NetClientOptionsKind type, int max) +{ + NetClientState *nc; + int ret = 0; + + QTAILQ_FOREACH(nc, &net_clients, next) { + if (nc->info->type == type) { + continue; + } + if (!strcmp(nc->name, id)) { + if (ret < max) { + ncs[ret] = nc; + } + ret++; + } + } + + return ret; +} + static int nic_get_free_idx(void) { int index;