def prepare_interfaces(self, cfg):
"""Configure interfaces up without IP addresses."""
(pub_iface, pub_iface_name), (priv_iface, priv_iface_name) = helpers.get_ifaces(cfg)
(pub_mtu, priv_mtu) = helpers.get_iface_mtus(cfg)
self.set_rp_filter('all', False)
if pub_iface is not None:
self._prepare_interface(pub_iface_name, pub_mtu)
if priv_iface is not None:
self._prepare_interface(priv_iface_name, priv_mtu)
def prepare_interfaces(self, cfg):
"""Configure interfaces up without IP addresses."""
(pub_iface,
pub_iface_name), (priv_iface,
priv_iface_name) = helpers.get_ifaces(cfg)
(pub_mtu, priv_mtu) = helpers.get_iface_mtus(cfg)
self.set_rp_filter('all', False)
if pub_iface is not None:
self._prepare_interface(pub_iface_name, pub_mtu)
if priv_iface is not None:
self._prepare_interface(priv_iface_name, priv_mtu)
def up_qos_rules(self, cfg):
"""Configure and enable quality-of-service configuration."""
#def _compute_burst(kbits, mtu):
# assumed_hz = 250
# burst = (float(kbits) / float(assumed_hz)) # example: 1024kbit/s, hz=250 => 4kbit
# return '%fkbit' % min(burst*2, (mtu*8.0/1000.0))
_log.debug('up_qos_rules')
(pub_iface,
pub_iface_name), (priv_iface,
priv_iface_name) = helpers.get_ifaces(cfg)
(_, proxyarp_interface) = helpers.get_proxyarp_iface(cfg)
qos_cfg = helpers.get_qos_config(cfg)
if qos_cfg.hasS(ns.globalUplinkRateLimit):
pub_uplink = qos_cfg.getS(ns.globalUplinkRateLimit, rdf.Integer)
else:
pub_uplink = None
# XXX: add to conf?
pub_downlink = None
priv_uplink = None
priv_downlink = None
pub_mtu, priv_mtu = helpers.get_iface_mtus(cfg)
_log.debug('qos: %s, %s, %s, %s' %
(pub_uplink, pub_downlink, priv_uplink, priv_downlink))
def_tx_limit = 100 # packets
sfq_perturb = 30 # seconds
sfq_quantum = None # XXX: should we set this? defaults to iface mtu
if pub_iface_name is not None:
run_command([
constants.CMD_TC, 'qdisc', 'del', 'dev', pub_iface_name, 'root'
])
if priv_iface_name is not None:
run_command([
constants.CMD_TC, 'qdisc', 'del', 'dev', priv_iface_name,
'root'
])
if pub_iface_name is not None:
if pub_uplink is None:
# this leaves pfifo_fast in place
pass
else:
pub_rate = '%skbit' % pub_uplink # only uplink rate is relevant
#pub_ceil = pub_rate
#pub_burst = _compute_burst(pub_uplink, pub_mtu)
run_command([
constants.CMD_TC, 'qdisc', 'add', 'dev', pub_iface_name,
'root', 'handle', '1:', 'htb', 'default', '1'
],
retval=runcommand.FAIL)
run_command([
constants.CMD_TC, 'class', 'add', 'dev', pub_iface_name,
'parent', '1:', 'classid', '1:1', 'htb', 'rate', pub_rate,
'quantum',
str(pub_mtu)
],
retval=runcommand.FAIL)
run_command([
constants.CMD_TC, 'qdisc', 'add', 'dev', pub_iface_name,
'parent', '1:1', 'handle', '10:', 'sfq', 'perturb',
str(sfq_perturb)
],
retval=runcommand.FAIL)
if priv_iface_name is not None:
if priv_uplink is None:
# this leaves pfifo_fast in place
pass
else:
priv_rate = '%skbps' % priv_uplink
#priv_ceil = priv_rate
#priv_burst = _compute_burst(priv_uplink, priv_mtu)
run_command([
constants.CMD_TC, 'qdisc', 'add', 'dev', priv_iface_name,
'root', 'handle', '2:', 'htb', 'default', '1'
],
retval=runcommand.FAIL)
run_command([
constants.CMD_TC, 'class', 'add', 'dev', priv_iface_name,
'parent', '2:', 'classid', '2:1', 'htb', 'rate', priv_rate,
'quantum',
str(priv_mtu)
],
retval=runcommand.FAIL)
run_command([
constants.CMD_TC, 'qdisc', 'add', 'dev', priv_iface_name,
'parent', '2:1', 'handle', '20:', 'sfq', 'perturb',
str(sfq_perturb)
],
retval=runcommand.FAIL)
if helpers.get_debug(cfg):
run_command([constants.CMD_TC, '-d', 'qdisc', 'show'])
run_command([constants.CMD_TC, '-d', 'class', 'show'])
def up_qos_rules(self, cfg):
"""Configure and enable quality-of-service configuration."""
#def _compute_burst(kbits, mtu):
# assumed_hz = 250
# burst = (float(kbits) / float(assumed_hz)) # example: 1024kbit/s, hz=250 => 4kbit
# return '%fkbit' % min(burst*2, (mtu*8.0/1000.0))
_log.debug('up_qos_rules')
(pub_iface, pub_iface_name), (priv_iface, priv_iface_name) = helpers.get_ifaces(cfg)
(_, proxyarp_interface) = helpers.get_proxyarp_iface(cfg)
qos_cfg = helpers.get_qos_config(cfg)
if qos_cfg.hasS(ns.globalUplinkRateLimit):
pub_uplink = qos_cfg.getS(ns.globalUplinkRateLimit, rdf.Integer)
else:
pub_uplink = None
# XXX: add to conf?
pub_downlink = None
priv_uplink = None
priv_downlink = None
pub_mtu, priv_mtu = helpers.get_iface_mtus(cfg)
_log.debug('qos: %s, %s, %s, %s' % (pub_uplink, pub_downlink, priv_uplink, priv_downlink))
def_tx_limit = 100 # packets
sfq_perturb = 30 # seconds
sfq_quantum = None # XXX: should we set this? defaults to iface mtu
if pub_iface_name is not None:
run_command([constants.CMD_TC, 'qdisc', 'del', 'dev', pub_iface_name, 'root'])
if priv_iface_name is not None:
run_command([constants.CMD_TC, 'qdisc', 'del', 'dev', priv_iface_name, 'root'])
if pub_iface_name is not None:
if pub_uplink is None:
# this leaves pfifo_fast in place
pass
else:
pub_rate = '%skbit' % pub_uplink # only uplink rate is relevant
#pub_ceil = pub_rate
#pub_burst = _compute_burst(pub_uplink, pub_mtu)
run_command([constants.CMD_TC, 'qdisc', 'add', 'dev', pub_iface_name, 'root', 'handle', '1:', 'htb', 'default', '1'], retval=runcommand.FAIL)
run_command([constants.CMD_TC, 'class', 'add', 'dev', pub_iface_name, 'parent', '1:', 'classid', '1:1', 'htb', 'rate', pub_rate, 'quantum', str(pub_mtu)], retval=runcommand.FAIL)
run_command([constants.CMD_TC, 'qdisc', 'add', 'dev', pub_iface_name, 'parent', '1:1', 'handle', '10:', 'sfq', 'perturb', str(sfq_perturb)],retval=runcommand.FAIL)
if priv_iface_name is not None:
if priv_uplink is None:
# this leaves pfifo_fast in place
pass
else:
priv_rate = '%skbps' % priv_uplink
#priv_ceil = priv_rate
#priv_burst = _compute_burst(priv_uplink, priv_mtu)
run_command([constants.CMD_TC, 'qdisc', 'add', 'dev', priv_iface_name, 'root', 'handle', '2:', 'htb', 'default', '1'], retval=runcommand.FAIL)
run_command([constants.CMD_TC, 'class', 'add', 'dev', priv_iface_name, 'parent', '2:', 'classid', '2:1', 'htb', 'rate', priv_rate, 'quantum', str(priv_mtu)], retval=runcommand.FAIL)
run_command([constants.CMD_TC, 'qdisc', 'add', 'dev', priv_iface_name, 'parent', '2:1', 'handle', '20:', 'sfq', 'perturb', str(sfq_perturb)],retval=runcommand.FAIL)
if helpers.get_debug(cfg):
run_command([constants.CMD_TC, '-d', 'qdisc', 'show'])
run_command([constants.CMD_TC, '-d', 'class', 'show'])