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"""Modifications to the port from the controller."""
# System imports
# Third-party imports
# Local source tree imports
from pyof.foundation.base import GenericMessage
from pyof.foundation.basic_types import HWAddress, Pad, UBInt32
from pyof.v0x04.common.header import Header, Type
from pyof.v0x04.common.port import PortConfig, PortFeatures
__all__ = ('PortMod',)
# Classes
class PortMod(GenericMessage):
"""Implement messages to modify the physical port behavior."""
header = Header(message_type=Type.OFPT_PORT_MOD)
port_no = UBInt32()
pad = Pad(4)
hw_addr = HWAddress()
pad2 = Pad(2)
config = UBInt32(enum_ref=PortConfig)
mask = UBInt32(enum_ref=PortConfig)
advertise = UBInt32(enum_ref=PortFeatures)
#: Pad to 64-bits.
pad3 = Pad(4)
def __init__(self, xid=None, port_no=None, hw_addr=None, config=None,
mask=None, advertise=None):
"""Create a PortMod with the optional parameters below.
Args:
xid (int): OpenFlow xid to the header.
port_no (int): Physical port number.
hw_addr (HWAddress): The hardware address is not configurable.
This is used to sanity-check the request,
so it must be the same as returned in an ofp_phy_port struct.
config (~pyof.v0x04.common.port.PortConfig):
Bitmap of OFPPC_* flags
mask (~pyof.v0x04.common.port.PortConfig):
Bitmap of OFPPC_* flags to be changed
advertise (~pyof.v0x04.common.port.PortFeatures):
Bitmap of OFPPF_*. Zero all bits to prevent any action taking
place.
"""
super().__init__(xid)
self.port_no = port_no
self.hw_addr = hw_addr
self.config = config
self.mask = mask
self.advertise = advertise
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