-# Copyright 2015-2016 Intel Corporation.
+# Copyright 2015-2017 Intel Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
import logging
import subprocess
-import os
from src.ovs import OFBridge
from src.dpdk import dpdk
-from conf import settings
+from conf import settings as S
from vswitches.ovs import IVSwitchOvs
class OvsDpdkVhost(IVSwitchOvs):
def __init__(self):
super(OvsDpdkVhost, self).__init__()
self._logger = logging.getLogger(__name__)
- self._expect = r'EAL: Master l*core \d+ is ready'
vswitchd_args = []
# legacy DPDK configuration through --dpdk option of vswitchd
if self.old_dpdk_config():
- vswitchd_args = ['--dpdk'] + settings.getValue('VSWITCHD_DPDK_ARGS')
+ # override socket-mem settings
+ tmp_dpdk_args = S.getValue('VSWITCHD_DPDK_ARGS')
+ for tmp_arg in tmp_dpdk_args:
+ if tmp_arg.startswith('--socket-mem'):
+ tmp_dpdk_args.remove(tmp_arg)
+ tmp_dpdk_args += ['--socket-mem ' + ','.join(S.getValue('DPDK_SOCKET_MEM'))]
+ vswitchd_args = ['--dpdk'] + tmp_dpdk_args
+ # add dpdk args to generic ovs-vswitchd settings
if self._vswitchd_args:
self._vswitchd_args = vswitchd_args + ['--'] + self._vswitchd_args
else:
self._vswitchd_args = vswitchd_args
- if settings.getValue('VNF').endswith('Cuse'):
- self._logger.info("Inserting VHOST Cuse modules into kernel...")
- dpdk.insert_vhost_modules()
-
def configure(self):
""" Configure vswitchd DPDK options through ovsdb if needed
"""
- dpdk_config = settings.getValue('VSWITCHD_DPDK_CONFIG')
+ 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:
"""
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 stop(self):
"""See IVswitch for general description
Kills ovsdb and vswitchd and removes DPDK kernel modules.
"""
+
super(OvsDpdkVhost, self).stop()
dpdk.cleanup()
- dpdk.remove_vhost_modules()
def add_switch(self, switch_name, params=None):
"""See IVswitch for general description
switch_params = switch_params + params
super(OvsDpdkVhost, self).add_switch(switch_name, switch_params)
-
- if settings.getValue('VSWITCH_AFFINITIZATION_ON') == 1:
+ if S.getValue('VSWITCH_AFFINITIZATION_ON') == 1:
# Sets the PMD core mask to VSWITCH_PMD_CPU_MASK
# for CPU core affinitization
self._bridges[switch_name].set_db_attribute('Open_vSwitch', '.',
'other_config:pmd-cpu-mask',
- settings.getValue('VSWITCH_PMD_CPU_MASK'))
+ S.getValue('VSWITCH_PMD_CPU_MASK'))
def add_phy_port(self, switch_name):
"""See IVswitch for general description
bridge = self._bridges[switch_name]
dpdk_count = self._get_port_count('type=dpdk')
port_name = 'dpdk' + str(dpdk_count)
- params = ['--', 'set', 'Interface', port_name, 'type=dpdk']
+ # PCI info. Please note there must be no blank space, eg must be
+ # like 'options:dpdk-devargs=0000:06:00.0'
+ _nics = S.getValue('NICS')
+ nic_pci = 'options:dpdk-devargs=' + _nics[dpdk_count]['pci']
+ params = ['--', 'set', 'Interface', port_name, 'type=dpdk', nic_pci]
+ # multi-queue enable
+
+ if int(S.getValue('VSWITCH_DPDK_MULTI_QUEUES')) and \
+ not S.getValue('OVS_OLD_STYLE_MQ'):
+ params += ['options:n_rxq={}'.format(
+ S.getValue('VSWITCH_DPDK_MULTI_QUEUES'))]
+ if S.getValue('VSWITCH_JUMBO_FRAMES_ENABLED'):
+ params += ['mtu_request={}'.format(
+ S.getValue('VSWITCH_JUMBO_FRAMES_SIZE'))]
of_port = bridge.add_port(port_name, params)
-
return (port_name, of_port)
def add_vport(self, switch_name):
from 0
"""
bridge = self._bridges[switch_name]
- # Changed dpdkvhost to dpdkvhostuser to be able to run in Qemu 2.2
- if settings.getValue('VNF').endswith('Cuse'):
- vhost_count = self._get_port_count('type=dpdkvhostcuse')
- port_name = 'dpdkvhostcuse' + str(vhost_count)
- params = ['--', 'set', 'Interface', port_name, 'type=dpdkvhostcuse']
- else:
- vhost_count = self._get_port_count('type=dpdkvhostuser')
- port_name = 'dpdkvhostuser' + str(vhost_count)
- params = ['--', 'set', 'Interface', port_name, 'type=dpdkvhostuser']
+ if S.getValue('VSWITCH_VHOSTUSER_SERVER_MODE'):
+ nic_type = 'dpdkvhostuser'
+ else:
+ nic_type = 'dpdkvhostuserclient'
+
+ vhost_count = self._get_port_count('type={}'.format(nic_type))
+ port_name = 'dpdkvhostuser' + str(vhost_count)
+ params = ['--', 'set', 'Interface', port_name, 'type={}'.format(nic_type)]
+ if not S.getValue('VSWITCH_VHOSTUSER_SERVER_MODE'):
+ params += ['--', 'set', 'Interface', port_name, 'options:vhost-server-path='
+ '{}{}'.format(S.getValue('TOOLS')['ovs_var_tmp'], port_name)]
+ if S.getValue('VSWITCH_JUMBO_FRAMES_ENABLED'):
+ params += ['mtu_request={}'.format(
+ S.getValue('VSWITCH_JUMBO_FRAMES_SIZE'))]
of_port = bridge.add_port(port_name, params)
return (port_name, of_port)
:returns: True if legacy --dpdk option is supported, otherwise it returns False
"""
- ovs_vswitchd_bin = os.path.join(settings.getValue('OVS_DIR'), 'vswitchd', 'ovs-vswitchd')
+ ovs_vswitchd_bin = S.getValue('TOOLS')['ovs-vswitchd']
try:
subprocess.check_output(ovs_vswitchd_bin + r' --help | grep "\-\-dpdk"', shell=True)
return True
except subprocess.CalledProcessError:
return False
+
+ def add_connection(self, switch_name, port1, port2, bidir=False):
+ """See IVswitch for general description
+ """
+ raise NotImplementedError()
+
+ def del_connection(self, switch_name, port1, port2, bidir=False):
+ """See IVswitch for general description
+ """
+ raise NotImplementedError()
+
+ def dump_connections(self, switch_name):
+ """See IVswitch for general description
+ """
+ raise NotImplementedError()