-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
:param psid_offset: Port Set Identifier (PSID) offset.
:param psid_len: Port Set Identifier (PSID) length.
:param map_t: Mapping using translation instead of encapsulation.
- Default False.
+ Default False.
:type vpp_node: dict
:type ip4_pfx: str
:type ip6_pfx: str
@staticmethod
def get_psid_from_port(port, psid_len, psid_offset):
- """Return PSID from port.
+ """Return PSID from port.::
+
0 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+-----------+-----------+-------+
:type ea_bit_len: int
:type psid: int
:returns: Number representing interface id field of destination IPv6
- address.
+ address.
:rtype: int
"""
if rule_net.prefixlen + ea_bit_len < 32:
psid_offset, psid_len, ipv4_dst,
dst_port):
"""Compute IPv6 destination address from IPv4 address for MAP algorithm.
- (RFC 7597)
-
- | n bits | o bits | s bits | 128-n-o-s bits |
- +--------------------+-----------+---------+-----------------------+
- | Rule IPv6 prefix | EA bits |subnet ID| interface ID |
- +--------------------+-----------+---------+-----------------------+
- |<--- End-user IPv6 prefix --->|
+ (RFC 7597)::
+ | n bits | o bits | s bits | 128-n-o-s bits |
+ +--------------------+-----------+---------+-----------------------+
+ | Rule IPv6 prefix | EA bits |subnet ID| interface ID |
+ +--------------------+-----------+---------+-----------------------+
+ |<--- End-user IPv6 prefix --->|
:param ipv4_pfx: Domain IPv4 preffix.
:param ipv6_pfx: Domain IPv6 preffix.