From patchwork Wed Jan 30 11:12:25 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 216840 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id A07292C008F for ; Wed, 30 Jan 2013 22:22:52 +1100 (EST) Received: from localhost ([::1]:56886 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U0Vkd-00027h-HS for incoming@patchwork.ozlabs.org; Wed, 30 Jan 2013 06:22:47 -0500 Received: from eggs.gnu.org ([208.118.235.92]:54382) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U0VkO-0001xC-Gd for qemu-devel@nongnu.org; Wed, 30 Jan 2013 06:22:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U0VkJ-0004ka-Tb for qemu-devel@nongnu.org; Wed, 30 Jan 2013 06:22:32 -0500 Received: from mx1.redhat.com ([209.132.183.28]:17101) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U0VkJ-0004kE-NB for qemu-devel@nongnu.org; Wed, 30 Jan 2013 06:22:27 -0500 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r0UBMIvC016645 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 30 Jan 2013 06:22:18 -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-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id r0UBLHRW018213; Wed, 30 Jan 2013 06:22:10 -0500 From: Jason Wang To: aliguori@us.ibm.com, mst@redhat.com, qemu-devel@nongnu.org, blauwirbel@gmail.com, shajnocz@redhat.com Date: Wed, 30 Jan 2013 19:12:25 +0800 Message-Id: <1359544361-5089-7-git-send-email-jasowang@redhat.com> In-Reply-To: <1359544361-5089-1-git-send-email-jasowang@redhat.com> References: <1359544361-5089-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: krkumar2@in.ibm.com, kvm@vger.kernel.org, mprivozn@redhat.com, Jason Wang , rusty@rustcorp.com.au, shiyer@redhat.com, jwhan@filewood.snu.ac.kr, gaowanlong@cn.fujitsu.com Subject: [Qemu-devel] [PATCH V4 06/22] net: introduce qemu_find_net_clients_except() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.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;