From patchwork Thu May 26 02:16:34 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 626525 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3rFY5n1CZ0z9t42 for ; Thu, 26 May 2016 12:30:21 +1000 (AEST) Received: from localhost ([::1]:36075 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5l3z-0004KD-6a for incoming@patchwork.ozlabs.org; Wed, 25 May 2016 22:30:19 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58917) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5krm-0007lu-Bk for qemu-devel@nongnu.org; Wed, 25 May 2016 22:17:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b5krk-0001gW-Pw for qemu-devel@nongnu.org; Wed, 25 May 2016 22:17:42 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48615) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b5krk-0001gN-Gt for qemu-devel@nongnu.org; Wed, 25 May 2016 22:17:40 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2F0E23E1; Thu, 26 May 2016 02:17:40 +0000 (UTC) Received: from jason-ThinkPad-T450s.redhat.com (vpn1-4-12.pek2.redhat.com [10.72.4.12]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u4Q2GaLS032564; Wed, 25 May 2016 22:17:37 -0400 From: Jason Wang To: peter.maydell@linaro.org, qemu-devel@nongnu.org Date: Thu, 26 May 2016 10:16:34 +0800 Message-Id: <1464228995-26657-20-git-send-email-jasowang@redhat.com> In-Reply-To: <1464228995-26657-1-git-send-email-jasowang@redhat.com> References: <1464228995-26657-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Thu, 26 May 2016 02:17:40 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL V3 19/20] net: vl: Move default_net to vl.c X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jason Wang , Eduardo Habkost Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Eduardo Habkost All handling of defaults (default_* variables) is inside vl.c, move default_net there too, so we can more easily refactor that code later. Reviewed-by: Paolo Bonzini Signed-off-by: Eduardo Habkost Signed-off-by: Jason Wang --- include/net/net.h | 1 - net/net.c | 23 ----------------------- vl.c | 24 +++++++++++++++++++++++- 3 files changed, 23 insertions(+), 25 deletions(-) diff --git a/include/net/net.h b/include/net/net.h index 129d46b..422bc3e 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -183,7 +183,6 @@ struct NICInfo { extern int nb_nics; extern NICInfo nd_table[MAX_NICS]; -extern int default_net; extern const char *host_net_devices[]; /* from net.c */ diff --git a/net/net.c b/net/net.c index 0ad6217..1680b68 100644 --- a/net/net.c +++ b/net/net.c @@ -76,8 +76,6 @@ const char *host_net_devices[] = { NULL, }; -int default_net = 1; - /***********************************************************/ /* network device redirectors */ @@ -1415,18 +1413,6 @@ void net_check_clients(void) NetClientState *nc; int i; - /* Don't warn about the default network setup that you get if - * no command line -net or -netdev options are specified. There - * are two cases that we would otherwise complain about: - * (1) board doesn't support a NIC but the implicit "-net nic" - * requested one - * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic" - * sets up a nic that isn't connected to anything. - */ - if (default_net) { - return; - } - net_hub_check_clients(); QTAILQ_FOREACH(nc, &net_clients, next) { @@ -1483,14 +1469,6 @@ int net_init_clients(void) { QemuOptsList *net = qemu_find_opts("net"); - if (default_net) { - /* if no clients, we use a default config */ - qemu_opts_set(net, NULL, "type", "nic", &error_abort); -#ifdef CONFIG_SLIRP - qemu_opts_set(net, NULL, "type", "user", &error_abort); -#endif - } - net_change_state_entry = qemu_add_vm_change_state_handler(net_vm_change_state_handler, NULL); @@ -1521,7 +1499,6 @@ int net_client_parse(QemuOptsList *opts_list, const char *optarg) return -1; } - default_net = 0; return 0; } diff --git a/vl.c b/vl.c index 18d1423..2f74fe8 100644 --- a/vl.c +++ b/vl.c @@ -207,6 +207,7 @@ static int default_floppy = 1; static int default_cdrom = 1; static int default_sdcard = 1; static int default_vga = 1; +static int default_net = 1; static struct { const char *driver; @@ -3267,11 +3268,13 @@ int main(int argc, char **argv, char **envp) fd_bootchk = 0; break; case QEMU_OPTION_netdev: + default_net = 0; if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) { exit(1); } break; case QEMU_OPTION_net: + default_net = 0; if (net_client_parse(qemu_find_opts("net"), optarg) == -1) { exit(1); } @@ -4361,6 +4364,14 @@ int main(int argc, char **argv, char **envp) /* clean up network at qemu process termination */ atexit(&net_cleanup); + if (default_net) { + QemuOptsList *net = qemu_find_opts("net"); + qemu_opts_set(net, NULL, "type", "nic", &error_abort); +#ifdef CONFIG_SLIRP + qemu_opts_set(net, NULL, "type", "user", &error_abort); +#endif + } + if (net_init_clients() < 0) { exit(1); } @@ -4509,7 +4520,18 @@ int main(int argc, char **argv, char **envp) /* Did we create any drives that we failed to create a device for? */ drive_check_orphaned(); - net_check_clients(); + /* Don't warn about the default network setup that you get if + * no command line -net or -netdev options are specified. There + * are two cases that we would otherwise complain about: + * (1) board doesn't support a NIC but the implicit "-net nic" + * requested one + * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic" + * sets up a nic that isn't connected to anything. + */ + if (!default_net) { + net_check_clients(); + } + if (boot_once) { qemu_boot_set(boot_once, &error_fatal);