def add_switch(self, switch_name, params=None):
"""See IVswitch for general description
"""
# create and configure new ovs bridge and delete all default flows
bridge = OFBridge(switch_name)
bridge.create(params)
bridge.del_flow({})
bridge.set_db_attribute('Open_vSwitch', '.', 'other_config:max-idle',
settings.getValue('VSWITCH_FLOW_TIMEOUT'))
self._switches[switch_name] = bridge
if settings.getValue('OVS_ROUTING_TABLES'):
# table#0 - flows designed to force 5 & 13 tuple matches go here
flow = {'table': '0', 'priority': '1', 'actions': ['goto_table:1']}
bridge.add_flow(flow)
# table#1 - flows to route packets between ports goes here. The
# chosen port is communicated to subsequent tables by setting the
# metadata value to the egress port number
#
# A placeholder - flows are added into this table by deployments
# or by TestSteps via add_connection() method
# table#2 - frame modification table. Frame modification flow rules are
# isolated in this table so that they can be turned on or off
# without affecting the routing or tuple-matching flow rules.
flow = {'table': '2', 'priority': '1', 'actions': ['goto_table:3']}
bridge.add_flow(flow)
# table#3 - egress table
# (NOTE) Billy O'Mahony - the drop action here actually required in
# order to egress the packet. This is the subject of a thread on
# ovs-discuss 2015-06-30.
flow = {'table': '3', 'priority': '1', 'actions': ['drop']}
bridge.add_flow(flow)
def add_switch(self, switch_name, params=None):
"""See IVswitch for general description
"""
bridge = OFBridge(switch_name)
bridge.create(params)
bridge.set_db_attribute('Open_vSwitch', '.',
'other_config:max-idle', '60000')
self._bridges[switch_name] = bridge
def add_switch(self, switch_name, params=None):
"""See IVswitch for general description
"""
bridge = OFBridge(switch_name)
bridge.create(params)
bridge.set_db_attribute('Open_vSwitch', '.', 'other_config:max-idle',
settings.getValue('VSWITCH_FLOW_TIMEOUT'))
self._bridges[switch_name] = bridge
def configure(self):
""" Configure vswitchd DPDK options through ovsdb if needed
"""
dpdk_config = S.getValue('VSWITCHD_DPDK_CONFIG')
if dpdk_config and not self.old_dpdk_config():
# override socket-mem settings
dpdk_config['dpdk-socket-mem'] = ','.join(S.getValue('DPDK_SOCKET_MEM'))
# enforce calls to ovs-vsctl with --no-wait
tmp_br = OFBridge(timeout=-1)
for option in dpdk_config:
tmp_br.set_db_attribute('Open_vSwitch', '.',
'other_config:' + option, dpdk_config[option])
def start(self):
"""See IVswitch for general description
Activates DPDK kernel modules, ovsdb and vswitchd.
"""
dpdk.init()
super(OvsDpdkVhost, self).start()
# old style OVS <= 2.5.0 multi-queue enable
if S.getValue('OVS_OLD_STYLE_MQ') and \
int(S.getValue('VSWITCH_DPDK_MULTI_QUEUES')):
tmp_br = OFBridge(timeout=-1)
tmp_br.set_db_attribute('Open_vSwitch', '.',
'other_config:' + 'n-dpdk-rxqs',
S.getValue('VSWITCH_DPDK_MULTI_QUEUES'))
def add_switch(self, switch_name, params=None):
"""See IVswitch for general description
"""
bridge = OFBridge(switch_name)
if params is None:
bridge.create(
['--', 'set', 'bridge', switch_name, 'datapath_type=netdev'])
else:
bridge.create(
['--', 'set', 'bridge', switch_name, 'datapath_type=netdev'] +
params)
bridge.set_db_attribute('Open_vSwitch', '.', 'other_config:max-idle',
settings.getValue('VSWITCH_FLOW_TIMEOUT'))
if settings.getValue('VSWITCH_AFFINITIZATION_ON') == 1:
# Sets the PMD core mask to VSWITCH_PMD_CPU_MASK
# for CPU core affinitization
bridge.set_db_attribute('Open_vSwitch', '.',
'other_config:pmd-cpu-mask',
settings.getValue('VSWITCH_PMD_CPU_MASK'))
self._bridges[switch_name] = bridge
