da505f608e
Change-Id: Ib4f0353aab6112fcc3c3d8f0bcbed5bc4b567b9b Signed-off-by: Klement Sekera <ksekera@cisco.com>
125 lines
3.9 KiB
Python
125 lines
3.9 KiB
Python
"""
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IP Routes
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object abstractions for representing IP routes in VPP
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"""
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import socket
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# from vnet/vnet/mpls/mpls_types.h
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MPLS_IETF_MAX_LABEL = 0xfffff
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MPLS_LABEL_INVALID = MPLS_IETF_MAX_LABEL + 1
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class RoutePath:
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def __init__(
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self,
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nh_addr,
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nh_sw_if_index,
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nh_table_id=0,
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labels=[],
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nh_via_label=MPLS_LABEL_INVALID):
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self.nh_addr = socket.inet_pton(socket.AF_INET, nh_addr)
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self.nh_itf = nh_sw_if_index
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self.nh_table_id = nh_table_id
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self.nh_via_label = nh_via_label
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self.nh_labels = labels
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class IpRoute:
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"""
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IP Route
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"""
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def __init__(self, test, dest_addr,
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dest_addr_len, paths, table_id=0):
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self._test = test
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self.paths = paths
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self.dest_addr = socket.inet_pton(socket.AF_INET, dest_addr)
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self.dest_addr_len = dest_addr_len
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self.table_id = table_id
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def add_vpp_config(self):
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for path in self.paths:
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self._test.vapi.ip_add_del_route(
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self.dest_addr,
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self.dest_addr_len,
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path.nh_addr,
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path.nh_itf,
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table_id=self.table_id,
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next_hop_out_label_stack=path.nh_labels,
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next_hop_n_out_labels=len(
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path.nh_labels),
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next_hop_via_label=path.nh_via_label)
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def remove_vpp_config(self):
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for path in self.paths:
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self._test.vapi.ip_add_del_route(self.dest_addr,
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self.dest_addr_len,
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path.nh_addr,
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path.nh_itf,
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table_id=self.table_id,
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is_add=0)
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class MplsIpBind:
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"""
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MPLS to IP Binding
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"""
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def __init__(self, test, local_label, dest_addr, dest_addr_len):
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self._test = test
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self.dest_addr = socket.inet_pton(socket.AF_INET, dest_addr)
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self.dest_addr_len = dest_addr_len
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self.local_label = local_label
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def add_vpp_config(self):
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self._test.vapi.mpls_ip_bind_unbind(self.local_label,
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self.dest_addr,
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self.dest_addr_len)
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def remove_vpp_config(self):
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self._test.vapi.mpls_ip_bind_unbind(self.local_label,
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self.dest_addr,
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self.dest_addr_len,
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is_bind=0)
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class MplsRoute:
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"""
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MPLS Route
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"""
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def __init__(self, test, local_label, eos_bit, paths, table_id=0):
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self._test = test
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self.paths = paths
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self.local_label = local_label
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self.eos_bit = eos_bit
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self.table_id = table_id
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def add_vpp_config(self):
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for path in self.paths:
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self._test.vapi.mpls_route_add_del(
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self.local_label,
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self.eos_bit,
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1,
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path.nh_addr,
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path.nh_itf,
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table_id=self.table_id,
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next_hop_out_label_stack=path.nh_labels,
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next_hop_n_out_labels=len(
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path.nh_labels),
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next_hop_via_label=path.nh_via_label,
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next_hop_table_id=path.nh_table_id)
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def remove_vpp_config(self):
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for path in self.paths:
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self._test.vapi.mpls_route_add_del(self.local_label,
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self.eos_bit,
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1,
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path.nh_addr,
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path.nh_itf,
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table_id=self.table_id,
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is_add=0)
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