X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fdp_notify.c;h=13085d665c7c8fbb57e389977e53236c316cb71a;hb=3d0666d29619eda0c46cdcbe37e2ccb825c0562c;hp=6203470e566102ff298dca1fa65064c87fb22d55;hpb=a14bc59fb8f27db193d74662dc9c5cb8237177ef;p=openvswitch diff --git a/datapath/dp_notify.c b/datapath/dp_notify.c index 6203470e..13085d66 100644 --- a/datapath/dp_notify.c +++ b/datapath/dp_notify.c @@ -1,32 +1,75 @@ /* - * Distributed under the terms of the GNU GPL version 2. - * Copyright (c) 2007, 2008, 2009 Nicira Networks. + * Copyright (c) 2007-2012 Nicira, Inc. * - * Significant portions of this file may be copied from parts of the Linux - * kernel, by Linus Torvalds and others. + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA */ -/* Handle changes to managed devices */ - #include +#include #include "datapath.h" +#include "vport-internal_dev.h" +#include "vport-netdev.h" - -static int dp_device_event(struct notifier_block *unused, unsigned long event, - void *ptr) +static int dp_device_event(struct notifier_block *unused, unsigned long event, + void *ptr) { struct net_device *dev = ptr; - struct net_bridge_port *p = dev->br_port; - if (event == NETDEV_UNREGISTER && p) { - struct datapath *dp = p->dp; - mutex_lock(&dp->mutex); - dp_del_port(p, NULL); - mutex_unlock(&dp->mutex); + struct vport *vport; + + if (ovs_is_internal_dev(dev)) + vport = ovs_internal_dev_get_vport(dev); + else + vport = ovs_netdev_get_vport(dev); + + if (!vport) + return NOTIFY_DONE; + + switch (event) { + case NETDEV_UNREGISTER: + if (!ovs_is_internal_dev(dev)) { + struct sk_buff *notify; + struct datapath *dp = vport->dp; + + notify = ovs_vport_cmd_build_info(vport, 0, 0, + OVS_VPORT_CMD_DEL); + ovs_dp_detach_port(vport); + if (IS_ERR(notify)) { + netlink_set_err(GENL_SOCK(ovs_dp_get_net(dp)), 0, + ovs_dp_vport_multicast_group.id, + PTR_ERR(notify)); + break; + } + + genlmsg_multicast_netns(ovs_dp_get_net(dp), notify, 0, + ovs_dp_vport_multicast_group.id, + GFP_KERNEL); + } + break; + + case NETDEV_CHANGENAME: + if (vport->port_no != OVSP_LOCAL) { + ovs_dp_sysfs_del_if(vport); + ovs_dp_sysfs_add_if(vport); + } + break; } + return NOTIFY_DONE; } -struct notifier_block dp_device_notifier = { +struct notifier_block ovs_dp_device_notifier = { .notifier_call = dp_device_event };