def _create_vpp_vif(dev, iface_id, mac, mtu,
instance_id, interface_type=None,
vhost_server_path=None):
vapi = VPPApi(LOG, 'nova_os_vif')
# iface_id is the port UUID as seen in neutron. Use this as the tag
# on the interface which will be later used as the key for endpoint lookup
mac_address = vpp_api.mac_to_bytes(mac)
if interface_type == constants.VPP_VHOSTUSER_CLIENT_INTERFACE_TYPE:
sw_if_index = vapi.create_vhost_user_if(
str(vhost_server_path).encode('utf-8'),
0, mac_address, iface_id)
else:
sw_if_index = vapi.create_vhost_user_if(
str(vhost_server_path).encode('utf-8'),
1, mac_address, iface_id)
LOG.debug("sw_if_index:{}".format(sw_if_index))
if mtu:
vapi.set_interface_mtu(sw_if_index, mtu)
# Default admin state for port in VPP is down, so do admin-up here
vapi.set_interface_state(sw_if_index, 1)
return sw_if_index
def plug_new(self,
network_id,
port_id,
device_name,
mac_address,
bridge=None,
namespace=None,
prefix=None,
mtu=None):
"""Plugin the interface."""
ip = ip_lib.IPWrapper()
# Enable agent to define the prefix
tap_name = device_name.replace(prefix or self.DEV_NAME_PREFIX,
lib_constants.VETH_DEVICE_PREFIX)
# Create ns_veth in a namespace if one is configured.
root_veth, ns_veth = ip.add_veth(tap_name,
device_name,
namespace2=namespace)
root_veth.disable_ipv6()
ns_veth.link.set_address(mac_address)
if mtu:
self.set_mtu(device_name, mtu, namespace=namespace, prefix=prefix)
else:
LOG.warning("No MTU configured for port %s", port_id)
root_veth.link.set_up()
# VPP section
mac_address = vpp_api.mac_to_bytes(mac_address)
vapi = VPPApi(LOG, 'vpp_dhcp')
sw_if_index = vapi.create_host_interface(
str(tap_name).encode('utf-8'), mac_address,
str(port_id).encode('utf-8'))
if mtu:
vapi.set_interface_mtu(sw_if_index, mtu)
vapi.set_interface_state(sw_if_index, '1')