Example #1
0
File: qos.py Project: fancyKai/vdsm
def remove_outbound(device, vlan_tag):
    """Removes the qosOutbound configuration from the device and restores
    pfifo_fast if it was the last QoSed network on the device. vlan_tag
    can be None"""
    class_id = '%x' % (_NON_VLANNED_ID if vlan_tag is None else vlan_tag)
    MISSING_OBJ_ERR_CODES = (errno.EINVAL, errno.ENOENT, errno.EOPNOTSUPP)

    try:
        tc.filter.delete(
            device, pref=_NON_VLANNED_ID if vlan_tag is None else vlan_tag)
    except tc.TrafficControlException as tce:
        if tce.errCode not in MISSING_OBJ_ERR_CODES:  # No filter exists
            raise

    device_qdiscs = list(tc.qdiscs(device))
    if not device_qdiscs:
        return
    root_qdisc_handle = netinfo_qos.get_root_qdisc(device_qdiscs)['handle']
    try:
        tc.cls.delete(device, classid=root_qdisc_handle + class_id)
    except tc.TrafficControlException as tce:
        if tce.errCode not in MISSING_OBJ_ERR_CODES:  # No class exists
            raise

    if not _uses_classes(device, root_qdisc_handle=root_qdisc_handle):
        try:
            tc._qdisc_del(device)
            tc._qdisc_del(device, kind='ingress')
        except tc.TrafficControlException as tce:
            if tce.errCode not in MISSING_OBJ_ERR_CODES:  # No qdisc
                raise
Example #2
0
def remove_outbound(device, vlan_tag):
    """Removes the qosOutbound configuration from the device and restores
    pfifo_fast if it was the last QoSed network on the device. vlan_tag
    can be None"""
    class_id = '%x' % (_NON_VLANNED_ID if vlan_tag is None else vlan_tag)
    MISSING_OBJ_ERR_CODES = (errno.EINVAL, errno.ENOENT, errno.EOPNOTSUPP)

    try:
        tc.filter.delete(
            device, pref=_NON_VLANNED_ID if vlan_tag is None else vlan_tag)
    except tc.TrafficControlException as tce:
        if tce.errCode not in MISSING_OBJ_ERR_CODES:  # No filter exists
            raise

    device_qdiscs = list(tc.qdiscs(device))
    if not device_qdiscs:
        return
    root_qdisc_handle = netinfo_qos.get_root_qdisc(device_qdiscs)['handle']
    try:
        tc.cls.delete(device, classid=root_qdisc_handle + class_id)
    except tc.TrafficControlException as tce:
        if tce.errCode not in MISSING_OBJ_ERR_CODES:  # No class exists
            raise

    if not _uses_classes(device, root_qdisc_handle=root_qdisc_handle):
        try:
            tc._qdisc_del(device)
            tc._qdisc_del(device, kind='ingress')
        except tc.TrafficControlException as tce:
            if tce.errCode not in MISSING_OBJ_ERR_CODES:  # No qdisc
                raise
Example #3
0
 def testToggleIngress(self):
     self._addIngress()
     tc._qdisc_del(self._bridge.devName, 'ingress')
     self.assertNotIn("qdisc ingress", self._showQdisc())
Example #4
0
 def testToggleIngress(self):
     self._addIngress()
     tc._qdisc_del(self._bridge.devName, 'ingress')
     self.assertNotIn("qdisc ingress", self._showQdisc())