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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] Tools-side support for creating and destroying netchannel2 interfaces.
# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1254898070 -3600
# Node ID f254f4a9a02c452f0c7d0b7943d1c8d88e48a533
# Parent 47cf6033d2cc08198c267ed9d17bdafb1fe0c490
Tools-side support for creating and destroying netchannel2 interfaces.
Signed-off-by: Steven Smith <steven.smith@xxxxxxxxxx>
---
tools/hotplug/Linux/Makefile | 1
tools/hotplug/Linux/vif2 | 46 +++++++++
tools/hotplug/Linux/xen-backend.rules | 5
tools/python/xen/xend/XendDevices.py | 3
tools/python/xen/xend/XendDomainInfo.py | 2
tools/python/xen/xend/server/netif2.py | 163 ++++++++++++++++++++++++++++++++
tools/python/xen/xm/create.py | 20 +++
tools/python/xen/xm/main.py | 44 ++++++++
8 files changed, 280 insertions(+), 4 deletions(-)
diff -r 47cf6033d2cc -r f254f4a9a02c tools/hotplug/Linux/Makefile
--- a/tools/hotplug/Linux/Makefile Wed Oct 07 07:47:21 2009 +0100
+++ b/tools/hotplug/Linux/Makefile Wed Oct 07 07:47:50 2009 +0100
@@ -11,6 +11,7 @@ XEN_SCRIPTS = network-bridge vif-bridge
XEN_SCRIPTS = network-bridge vif-bridge
XEN_SCRIPTS += network-route vif-route
XEN_SCRIPTS += network-nat vif-nat
+XEN_SCRIPTS += vif2
XEN_SCRIPTS += block
XEN_SCRIPTS += block-enbd block-nbd
XEN_SCRIPTS += blktap
diff -r 47cf6033d2cc -r f254f4a9a02c tools/hotplug/Linux/vif2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/hotplug/Linux/vif2 Wed Oct 07 07:47:50 2009 +0100
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+dir=$(dirname "$0")
+. "$dir/xen-hotplug-common.sh"
+. "$dir/xen-network-common.sh"
+
+bridge=$(xenstore_read_default "$XENBUS_PATH/bridge" "$bridge")
+if [ -z "$bridge" ]
+ then
+ nr_bridges=$(($(brctl show | cut -f 1 | grep -v "^$" | wc -l) - 1))
+ if [ "$nr_bridges" != 1 ]
+ then
+ fatal "no bridge specified, and don't know which one to use
($nr_bridges found)"
+ fi
+ bridge=$(brctl show | cut -d "
+" -f 2 | cut -f 1)
+fi
+
+command="$1"
+shift
+
+case "$command" in
+ "online")
+ if [ "$bridge" != "-" ]
+ then
+ setup_bridge_port "$vif"
+ add_to_bridge "$bridge" "$vif"
+ else
+ # Just let the normal udev rules for interfaces handle it.
+ true
+ fi
+ success
+ ;;
+
+ "add")
+ success
+ ;;
+
+ "remove")
+ ;;
+
+ *)
+ echo "Unknown command: $command"
+ echo 'Valid commands are: add, remove, online'
+ exit 1
+esac
diff -r 47cf6033d2cc -r f254f4a9a02c tools/hotplug/Linux/xen-backend.rules
--- a/tools/hotplug/Linux/xen-backend.rules Wed Oct 07 07:47:21 2009 +0100
+++ b/tools/hotplug/Linux/xen-backend.rules Wed Oct 07 07:47:50 2009 +0100
@@ -1,8 +1,9 @@ SUBSYSTEM=="xen-backend", KERNEL=="tap*"
SUBSYSTEM=="xen-backend", KERNEL=="tap*", RUN+="/etc/xen/scripts/blktap
$env{ACTION}"
SUBSYSTEM=="xen-backend", KERNEL=="vbd*", RUN+="/etc/xen/scripts/block
$env{ACTION}"
SUBSYSTEM=="xen-backend", KERNEL=="vtpm*", RUN+="/etc/xen/scripts/vtpm
$env{ACTION}"
-SUBSYSTEM=="xen-backend", KERNEL=="vif*", ACTION=="online", RUN+="$env{script}
online"
-SUBSYSTEM=="xen-backend", KERNEL=="vif*", ACTION=="offline",
RUN+="$env{script} offline"
+SUBSYSTEM=="xen-backend", KERNEL=="vif2-*", RUN+="/etc/xen/scripts/vif2
$env{ACTION}"
+SUBSYSTEM=="xen-backend", KERNEL=="vif-*", ACTION=="online",
RUN+="$env{script} online"
+SUBSYSTEM=="xen-backend", KERNEL=="vif-*", ACTION=="offline",
RUN+="$env{script} offline"
SUBSYSTEM=="xen-backend", KERNEL=="vscsi*", RUN+="/etc/xen/scripts/vscsi
$env{ACTION}"
SUBSYSTEM=="xen-backend", ACTION=="remove",
RUN+="/etc/xen/scripts/xen-hotplug-cleanup"
KERNEL=="evtchn", NAME="xen/%k"
diff -r 47cf6033d2cc -r f254f4a9a02c tools/python/xen/xend/XendDevices.py
--- a/tools/python/xen/xend/XendDevices.py Wed Oct 07 07:47:21 2009 +0100
+++ b/tools/python/xen/xend/XendDevices.py Wed Oct 07 07:47:50 2009 +0100
@@ -19,7 +19,7 @@
# A collection of DevControllers
#
-from xen.xend.server import blkif, netif, tpmif, pciif, iopif, irqif, vfbif,
vscsiif
+from xen.xend.server import blkif, netif, tpmif, pciif, iopif, irqif, vfbif,
vscsiif, netif2
from xen.xend.server.BlktapController import BlktapController,
Blktap2Controller
from xen.xend.server.ConsoleController import ConsoleController
@@ -37,6 +37,7 @@ class XendDevices:
controllers = {
'vbd': blkif.BlkifController,
'vif': netif.NetifController,
+ 'vif2': netif2.NetifController2,
'vtpm': tpmif.TPMifController,
'pci': pciif.PciController,
'ioports': iopif.IOPortsController,
diff -r 47cf6033d2cc -r f254f4a9a02c tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py Wed Oct 07 07:47:21 2009 +0100
+++ b/tools/python/xen/xend/XendDomainInfo.py Wed Oct 07 07:47:50 2009 +0100
@@ -1222,7 +1222,7 @@ class XendDomainInfo:
break
self._waitForDevice_destroy(deviceClass, devid, backend)
- if rm_cfg:
+ if rm_cfg and deviceClass != "vif2":
if deviceClass == 'vif':
if self.domid is not None:
mac = ''
diff -r 47cf6033d2cc -r f254f4a9a02c tools/python/xen/xend/server/netif2.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/python/xen/xend/server/netif2.py Wed Oct 07 07:47:50 2009 +0100
@@ -0,0 +1,163 @@
+#============================================================================
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of version 2.1 of the GNU Lesser General Public
+# License as published by the Free Software Foundation.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#============================================================================
+# Copyright (C) 2004, 2005 Mike Wray <mike.wray@xxxxxx>
+# Copyright (C) 2005 XenSource Ltd
+# Copyright (C) 2008 Citrix Systems Inc.
+#============================================================================
+#
+# Based closely on netif.py.
+#
+
+"""Support for virtual network interfaces, version 2.
+"""
+
+import os
+import random
+import re
+import time
+
+from xen.xend import XendOptions
+from xen.xend.server.DevController import DevController
+from xen.xend.XendError import VmError
+from xen.xend.XendXSPolicyAdmin import XSPolicyAdminInstance
+from xen.xend.xenstore.xstransact import xstransact
+import xen.util.xsm.xsm as security
+
+from xen.xend.XendLogging import log
+
+xoptions = XendOptions.instance()
+
+def randomMAC():
+ """Generate a random MAC address.
+
+ Uses OUI (Organizationally Unique Identifier) 00-16-3E, allocated to
+ Xensource, Inc. The OUI list is available at
+ http://standards.ieee.org/regauth/oui/oui.txt.
+
+ The remaining 3 fields are random, with the first bit of the first
+ random field set 0.
+
+ @return: MAC address string
+ """
+ mac = [ 0x00, 0x16, 0x3e,
+ random.randint(0x00, 0x7f),
+ random.randint(0x00, 0xff),
+ random.randint(0x00, 0xff) ]
+ return ':'.join(map(lambda x: "%02x" % x, mac))
+
+class NetifController2(DevController):
+ def __init__(self, vm):
+ DevController.__init__(self, vm)
+
+ def getDeviceDetails(self, config):
+ """@see DevController.getDeviceDetails"""
+
+ devid = self.allocateDeviceID()
+
+ bridge = config.get('bridge')
+ back_mac = config.get('back_mac')
+ if not back_mac:
+ if bridge:
+ back_mac = "fe:ff:ff:ff:ff:ff"
+ else:
+ back_mac = randomMAC()
+ front_mac = config.get('front_mac') or randomMAC()
+ front_trust = config.get("trusted") or "0"
+ back_trust = config.get("back_trusted") or "1"
+ max_bypasses = config.get("max_bypasses") or "5"
+ pdev = config.get('pdev')
+ front_filter = config.get("front_filter_mac")
+ if front_filter == None:
+ if back_trust == "0":
+ front_filter = "1"
+ else:
+ front_filter = "0"
+ back_filter = config.get("filter_mac")
+ if back_filter == None:
+ if front_trust == "0":
+ back_filter = "1"
+ else:
+ back_filter = "0"
+ back = { 'mac': back_mac, 'remote-mac': front_mac,
+ 'handle': "%i" % devid, 'local-trusted': back_trust,
+ 'remote-trusted': front_trust, 'filter-mac': back_filter,
+ 'max-bypasses': max_bypasses }
+
+ front = { 'mac': front_mac, 'remote-mac': back_mac,
+ 'local-trusted': front_trust, 'remote-trusted': back_trust,
+ 'filter-mac': front_filter }
+
+ if bridge:
+ back['bridge'] = bridge
+
+ if pdev:
+ back['pdev'] = pdev
+
+ return (devid, back, front)
+
+ def getDeviceConfiguration(self, devid, transaction = None):
+ """@see DevController.configuration"""
+
+ if transaction is None:
+ read_fn = xstransact.Read
+ else:
+ read_fn = transaction.read
+ def front_read(x):
+ return read_fn(frontpath + x)
+ def back_read(x):
+ return read_fn(backpath + x)
+
+ result = DevController.getDeviceConfiguration(self, devid, transaction)
+
+ dev = self.convertToDeviceNumber(devid)
+ frontpath = self.frontendPath(dev) + "/"
+
+ backpath = front_read("backend") + "/"
+
+ front_mac = front_read("mac")
+ back_mac = back_read("mac")
+
+ front_trusted = back_read("remote-trusted")
+ back_trusted = back_read("local-trusted")
+ max_bypasses = back_read("max-bypasses")
+
+ bridge = back_read("bridge")
+
+ pdev = back_read("pdev")
+
+ if front_mac:
+ result["front_mac"] = front_mac
+ if back_mac:
+ result["back_mac"] = back_mac
+ if front_trusted:
+ result["front_trusted"] = front_trusted
+ if back_trusted:
+ result["back_trusted"] = back_trusted
+ if bridge:
+ result["bridge"] = bridge
+ if pdev:
+ result["pdev"] = pdev
+ if max_bypasses:
+ result["max-bypasses"] = max_bypasses
+ return result
+
+ def destroyDevice(self, devid, force):
+ dev = self.convertToDeviceNumber(devid)
+ self.writeBackend(dev, "online", "0")
+ if force:
+ self.writeBackend(dev, "shutdown-request", "force")
+ else:
+ self.writeBackend(dev, "shutdown-request", "normal")
+ self.vm._removeVm("device/%s/%d" % (self.deviceClass, dev))
diff -r 47cf6033d2cc -r f254f4a9a02c tools/python/xen/xm/create.py
--- a/tools/python/xen/xm/create.py Wed Oct 07 07:47:21 2009 +0100
+++ b/tools/python/xen/xm/create.py Wed Oct 07 07:47:50 2009 +0100
@@ -392,6 +392,12 @@ gopts.var('vif', val="type=TYPE,mac=MAC,
If accel is not specified an accelerator plugin module is not used.
This option may be repeated to add more than one vif.
Specifying vifs will increase the number of interfaces as needed.""")
+
+gopts.var('vif2',
val="front_mac=MAC,back_mac=MAC,backend=DOM,pdev=PDEV,max_bypasses=N,bridge=BRIDGE,filter_mac=<0|1>,front_filter_mac=<0|1>",
+ fn=append_value, default=[],
+ use="""Add a netchannel2 network interface using given front
+ and backend MAC addresses. Randomly generated
+ addresses will be used if either address is missing.""")
gopts.var('vtpm', val="instance=INSTANCE,backend=DOM,type=TYPE",
fn=append_value, default=[],
@@ -931,6 +937,8 @@ def configure_vifs(config_devs, vals):
vifs = vals.vif
vifs_n = len(vifs)
+ vifs2 = vals.vif2
+ vifs2_n = len(vifs2)
if hasattr(vals, 'nics'):
if vals.nics > 0:
@@ -955,6 +963,18 @@ def configure_vifs(config_devs, vals):
config_vif.append([k, d[k]])
map(f, d.keys())
+ config_devs.append(['device', config_vif])
+
+ for c in vifs2:
+ d = comma_sep_kv_to_dict(c)
+ config_vif = ['vif2']
+
+ for k in d.keys():
+ if k not in ['front_mac', 'back_mac', 'backend', 'trusted',
+ 'back_trusted', 'front_filter_mac', 'filter_mac',
+ 'bridge', 'pdev', 'max_bypasses' ]:
+ err('Invalid vif2 option: ' + k)
+ config_vif.append([k, d[k]])
config_devs.append(['device', config_vif])
diff -r 47cf6033d2cc -r f254f4a9a02c tools/python/xen/xm/main.py
--- a/tools/python/xen/xm/main.py Wed Oct 07 07:47:21 2009 +0100
+++ b/tools/python/xen/xm/main.py Wed Oct 07 07:47:50 2009 +0100
@@ -181,6 +181,15 @@ SUBCOMMAND_HELP = {
'Destroy a domain\'s virtual network device.'),
'network-list' : ('<Domain> [--long]',
'List virtual network interfaces for a domain.'),
+ 'network2-attach': ('<Domain> [front_mac=<mac>] [back_mac=<mac>] '
+ '[backend=<BackDomain>] [trusted=<0|1>] '
+ '[back_trusted=<0|1>] [bridge=<bridge>] '
+ '[max_bypasses=n]'
+ 'Create a new version 2 virtual network device.'),
+ 'network2-detach': ('<Domain> <DevId> [-f|--force]',
+ 'Destroy a domain\'s version 2 virtual network
device.'),
+ 'network2-list' : ('<Domain> [--long]',
+ 'List version 2 virtual network interfaces for a
domain.'),
'vnet-create' : ('<ConfigFile>','Create a vnet from ConfigFile.'),
'vnet-delete' : ('<VnetId>', 'Delete a Vnet.'),
'vnet-list' : ('[-l|--long]', 'List Vnets.'),
@@ -399,6 +408,9 @@ device_commands = [
"network-attach",
"network-detach",
"network-list",
+ "network2-attach",
+ "network2-detach",
+ "network2-list",
"vtpm-list",
"pci-attach",
"pci-detach",
@@ -2436,6 +2448,35 @@ def xm_block_configure(args):
server.xend.domain.device_configure(dom, vbd)
+def xm_network2_attach(args):
+ xenapi_unsupported()
+ arg_check(args, 'network2-attach', 1, 4)
+ dom = args[0]
+ vif = ['vif2']
+ vif_params = ['front_mac', 'back_mac', 'backend', 'trusted',
+ 'back_trusted', "front_filter_mac", "filter_mac",
+ 'bridge', 'pdev', "max_bypasses" ]
+ for a in args[1:]:
+ vif_param = a.split("=")
+ if len(vif_param) != 2 or vif_param[1] == "" or \
+ vif_param[0] not in vif_params:
+ err("Invalid argument: %s" % a)
+ usage("network2-attach")
+ vif.append(vif_param)
+ server.xend.domain.device_create(dom, vif)
+
+def xm_network2_detach(args):
+ xenapi_unsupported()
+ arg_check(args, "network2-detch", 2, 3)
+ detach(args, "vif2")
+
+def xm_network2_list(args):
+ xenapi_unsupported()
+ (use_long, params) = arg_check_for_resource_list(args, "network2-list")
+ dom = params[0]
+ devs = server.xend.domain.getDeviceSxprs(dom, 'vif2')
+ map(PrettyPrint.prettyprint, devs)
+
def xm_network_attach(args):
arg_check(args, 'network-attach', 1, 11)
@@ -3239,6 +3280,9 @@ commands = {
"network-attach": xm_network_attach,
"network-detach": xm_network_detach,
"network-list": xm_network_list,
+ "network2-attach": xm_network2_attach,
+ "network2-detach": xm_network2_detach,
+ "network2-list": xm_network2_list,
# network (as in XenAPI)
"network-new": xm_network_new,
"network-del": xm_network_del,
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