X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=datapath%2Fdp_notify.c;h=d5308933f8fc0701fb1c4b76915ad4d6e9df70eb;hb=fa04edcedfe5285fd8ad3a4d70fecb38df18293d;hp=d040d46e7f11c185b948873a4f81645ba32bcbec;hpb=850b6b3b9f8c38b42e315c2c07d232a33b82da3e;p=sliver-openvswitch.git diff --git a/datapath/dp_notify.c b/datapath/dp_notify.c index d040d46e7..d5308933f 100644 --- a/datapath/dp_notify.c +++ b/datapath/dp_notify.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007-2011 Nicira Networks. + * Copyright (c) 2007-2012 Nicira, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public @@ -18,51 +18,79 @@ #include #include +#include +#include #include "datapath.h" #include "vport-internal_dev.h" #include "vport-netdev.h" +static void dp_detach_port_notify(struct vport *vport) +{ + struct sk_buff *notify; + struct datapath *dp; + + 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)); + return; + } + + genlmsg_multicast_netns(ovs_dp_get_net(dp), notify, 0, + ovs_dp_vport_multicast_group.id, + GFP_KERNEL); +} + +void ovs_dp_notify_wq(struct work_struct *work) +{ + struct ovs_net *ovs_net = container_of(work, struct ovs_net, dp_notify_work); + struct datapath *dp; + + ovs_lock(); + list_for_each_entry(dp, &ovs_net->dps, list_node) { + int i; + + for (i = 0; i < DP_VPORT_HASH_BUCKETS; i++) { + struct vport *vport; + struct hlist_node *n; + + hlist_for_each_entry_safe(vport, n, &dp->ports[i], dp_hash_node) { + struct netdev_vport *netdev_vport; + + if (vport->ops->type != OVS_VPORT_TYPE_NETDEV) + continue; + + netdev_vport = netdev_vport_priv(vport); + if (netdev_vport->dev->reg_state == NETREG_UNREGISTERED || + netdev_vport->dev->reg_state == NETREG_UNREGISTERING) + dp_detach_port_notify(vport); + } + } + } + ovs_unlock(); +} + static int dp_device_event(struct notifier_block *unused, unsigned long event, void *ptr) { + struct ovs_net *ovs_net; struct net_device *dev = ptr; - struct vport *vport; + struct vport *vport = NULL; - if (ovs_is_internal_dev(dev)) - vport = ovs_internal_dev_get_vport(dev); - else + if (!ovs_is_internal_dev(dev)) 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; - - 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(INIT_NET_GENL_SOCK, 0, - ovs_dp_vport_multicast_group.id, - PTR_ERR(notify)); - break; - } - - genlmsg_multicast(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; + if (event == NETDEV_UNREGISTER) { + ovs_net = net_generic(dev_net(dev), ovs_net_id); + queue_work(&ovs_net->dp_notify_work); } return NOTIFY_DONE;