test/vpp_mpls_tunnel_interface.py

   1
   2 from vpp_interface import VppInterface
   3 from vpp_ip_route import VppRoutePath, VppMplsLabel
   4 import socket
   5
   6
   7 class VppMPLSTunnelInterface(VppInterface):
   8     """
   9     VPP MPLS Tunnel interface
  10     """
  11
  12     def __init__(self, test, paths, is_multicast=0, is_l2=0):
  13         """ Create MPLS Tunnel interface """
  14         self._sw_if_index = 0
  15         super(VppMPLSTunnelInterface, self).__init__(test)
  16         self._test = test
  17         self.t_paths = paths
  18         self.is_multicast = is_multicast
  19         self.is_l2 = is_l2
  20
  21     def add_vpp_config(self):
  22         self._sw_if_index = 0xffffffff
  23         for path in self.t_paths:
  24             lstack = path.encode_labels()
  25
  26             reply = self.test.vapi.mpls_tunnel_add_del(
  27                 self._sw_if_index,
  28                 1,  # IPv4 next-hop
  29                 path.nh_addr,
  30                 path.nh_itf,
  31                 path.nh_table_id,
  32                 path.weight,
  33                 next_hop_out_label_stack=lstack,
  34                 next_hop_n_out_labels=len(lstack),
  35                 is_multicast=self.is_multicast,
  36                 l2_only=self.is_l2)
  37             self._sw_if_index = reply.sw_if_index
  38
  39     def remove_vpp_config(self):
  40         for path in self.t_paths:
  41             reply = self.test.vapi.mpls_tunnel_add_del(
  42                 self.sw_if_index,
  43                 1,  # IPv4 next-hop
  44                 path.nh_addr,
  45                 path.nh_itf,
  46                 path.nh_table_id,
  47                 path.weight,
  48                 next_hop_out_label_stack=path.nh_labels,
  49                 next_hop_n_out_labels=len(path.nh_labels),
  50                 is_add=0)