openstack
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neutron
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Merge "Add MTU selection & advertisement settings to Neutron config"

This commit is contained in:
Jenkins 2015-03-17 03:09:09 +00:00 committed by Gerrit Code Review
parent 7c6c08e1b6 38bb57e9b0
commit f216e81461
4 changed files with 50 additions and 0 deletions
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7
etc/neutron.conf
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@ -146,6 +146,13 @@ lock_path = $state_path/lock
# Maximum number of routes per router
# max_routes = 30
# =========== items for MTU selection and advertisement =============
# Advertise MTU. If True, effort is made to advertise MTU
# settings to VMs via network methods (ie. DHCP and RA MTU options)
# when the network's preferred MTU is known.
# advertise_mtu = False
# ======== end of items for MTU selection and advertisement =========
# =========== items for agent management extension =============
# Seconds to regard the agent as down; should be at least twice
# report_interval, to be sure the agent is down for good

23
etc/neutron/plugins/ml2/ml2_conf.ini
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@ -26,6 +26,29 @@
# extension_drivers =
# Example: extension_drivers = anewextensiondriver
# =========== items for MTU selection and advertisement =============
# (IntOpt) Path MTU. The maximum permissible size of an unfragmented
# packet travelling from and to addresses where encapsulated Neutron
# traffic is sent. Drivers calculate maximum viable MTU for
# validating tenant requests based on this value (typically,
# path_mtu - max encap header size). If <=0, the path MTU is
# indeterminate and no calculation takes place.
# path_mtu = 0
# (IntOpt) Segment MTU. The maximum permissible size of an
# unfragmented packet travelling a L2 network segment. If <=0,
# the segment MTU is indeterminate and no calculation takes place.
# segment_mtu = 0
# (ListOpt) Physical network MTUs. List of mappings of physical
# network to MTU value. The format of the mapping is
# <physnet>:<mtu val>. This mapping allows specifying a
# physical network MTU value that differs from the default
# segment_mtu value.
# physical_network_mtus =
# Example: physical_network_mtus = physnet1:1550, physnet2:1500
# ======== end of items for MTU selection and advertisement =========
[ml2_type_flat]
# (ListOpt) List of physical_network names with which flat networks
# can be created. Use * to allow flat networks with arbitrary

4
neutron/common/config.py
View File

@ -121,6 +121,10 @@ core_opts = [
cfg.IntOpt('send_events_interval', default=2,
help=_('Number of seconds between sending events to nova if '
'there are any events to send.')),
cfg.BoolOpt('advertise_mtu', default=False,
help=_('If True, effort is made to advertise MTU settings '
'to VMs via network methods (DHCP and RA MTU options) '
'when the network\'s preferred MTU is known.')),
]
core_cli_opts = [

16
neutron/plugins/ml2/config.py
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@ -35,6 +35,22 @@ ml2_opts = [
help=_("An ordered list of extension driver "
"entrypoints to be loaded from the "
"neutron.ml2.extension_drivers namespace.")),
cfg.IntOpt('path_mtu', default=0,
help=_('The maximum permissible size of an unfragmented '
'packet travelling from and to addresses where '
'encapsulated Neutron traffic is sent. If <= 0, '
'the path MTU is indeterminate.')),
cfg.IntOpt('segment_mtu', default=0,
help=_('The maximum permissible size of an unfragmented '
'packet travelling a L2 network segment. If <= 0, the '
'segment MTU is indeterminate.')),
cfg.ListOpt('physical_network_mtus',
default=[],
help=_("A list of mappings of physical networks to MTU "
"values. The format of the mapping is "
"<physnet>:<mtu val>. This mapping allows "
"specifying a physical network MTU value that "
"differs from the default segment_mtu value.")),
]