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authorNeale Ranns <nranns@cisco.com>2017-03-01 15:12:11 -0800
committerNeale Ranns <nranns@cisco.com>2017-04-07 09:12:12 +0000
commit0f26c5a0138ac86d7ebd197c31a09d8d624c35fe (patch)
tree5cee4659885432c439e44d7346fd5e482df5f0e6 /test/vpp_mpls_tunnel_interface.py
parentc14f31c2c62fb66d98aef4402a6f1bda09683fd3 (diff)
MPLS Mcast
1 - interface-DPO Used in the Data-plane to change a packet's input interface 2 - MPLS multicast FIB entry Same as a unicast entry but it links to a replicate not a load-balance DPO 3 - Multicast MPLS tunnel Update MPLS tunnels to use a FIB path-list to describe the endpoint[s]. Use the path-list to generate the forwarding chain (DPOs) to link to . 4 - Resolve a path via a local label (of an mLDP LSP) For IP multicast entries to use an LSP in the replication list, we need to decribe the 'resolve-via-label' where the label is that of a multicast LSP. 5 - MPLS disposition path sets RPF-ID For a interface-less LSP (i.e. mLDP not RSVP-TE) at the tail of the LSP we still need to perform an RPF check. An MPLS disposition DPO performs the MPLS pop validation checks and sets the RPF-ID in the packet. 6 - RPF check with per-entry RPF-ID An RPF-ID is used instead of a real interface SW if index in the case the IP traffic arrives from an LSP that does not have an associated interface. Change-Id: Ib92e177be919147bafeb599729abf3d1abc2f4b3 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'test/vpp_mpls_tunnel_interface.py')
-rw-r--r--test/vpp_mpls_tunnel_interface.py46
1 files changed, 46 insertions, 0 deletions
diff --git a/test/vpp_mpls_tunnel_interface.py b/test/vpp_mpls_tunnel_interface.py
new file mode 100644
index 00000000..f2001574
--- /dev/null
+++ b/test/vpp_mpls_tunnel_interface.py
@@ -0,0 +1,46 @@
+
+from vpp_interface import VppInterface
+from vpp_ip_route import VppRoutePath
+import socket
+
+
+class VppMPLSTunnelInterface(VppInterface):
+ """
+ VPP MPLS Tunnel interface
+ """
+
+ def __init__(self, test, paths, is_multicast=0):
+ """ Create MPLS Tunnel interface """
+ self._sw_if_index = 0
+ super(VppMPLSTunnelInterface, self).__init__(test)
+ self._test = test
+ self.t_paths = paths
+ self.is_multicast = is_multicast
+
+ def add_vpp_config(self):
+ self._sw_if_index = 0xffffffff
+ for path in self.t_paths:
+ reply = self.test.vapi.mpls_tunnel_add_del(
+ self._sw_if_index,
+ 1, # IPv4 next-hop
+ path.nh_addr,
+ path.nh_itf,
+ path.nh_table_id,
+ path.weight,
+ next_hop_out_label_stack=path.nh_labels,
+ next_hop_n_out_labels=len(path.nh_labels),
+ is_multicast=self.is_multicast)
+ self._sw_if_index = reply.sw_if_index
+
+ def remove_vpp_config(self):
+ for path in self.t_paths:
+ reply = self.test.vapi.mpls_tunnel_add_del(
+ self.sw_if_index,
+ 1, # IPv4 next-hop
+ path.nh_addr,
+ path.nh_itf,
+ path.nh_table_id,
+ path.weight,
+ next_hop_out_label_stack=path.nh_labels,
+ next_hop_n_out_labels=len(path.nh_labels),
+ is_add=0)