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Ed Warnickecb9cada2015-12-08 15:45:58 -07001#!/usr/bin/env python3.4
2
3# Copyright (c) 2015 Cisco and/or its affiliates.
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at:
7#
8# http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15
16import ipaddress
17import argparse
18import sys
19
20# map add domain ip4-pfx <pfx> ip6-pfx ::/0 ip6-src <ip6-src> ea-bits-len 0 psid-offset 6 psid-len 6
21# map add rule index <0> psid <psid> ip6-dst <ip6-dst>
22
23parser = argparse.ArgumentParser(description='MAP VPP configuration generator')
24parser.add_argument('-t', action="store", dest="mapmode")
25args = parser.parse_args()
26
27#
28# 1:1 Shared IPv4 address, shared BR, Terastream
29#
30def terastream():
31 ip4_pfx = ipaddress.ip_network('20.0.0.0/22')
32 ip6_dst = ipaddress.ip_network('bbbb::/32')
33 psid_len = 6
34 ip6_src = ipaddress.ip_address('cccc:bbbb::')
35 for i in range(ip4_pfx.num_addresses):
36 if not i % 64:
37 ip6_src = ip6_src + 1
38 print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-src " + str(ip6_src) +
39 " ea-bits-len 0 psid-offset 0 psid-len", psid_len)
40 for psid in range(0x1 << psid_len):
41 print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid])
42
43#
44# 1:1 Shared IPv4 address, shared BR, OTE
45#
46def oteshared11():
47 ip4_pfx = ipaddress.ip_network('2.84.63.0/24')
48 dst = list(ipaddress.ip_network('2a02:580:8c00::/40').subnets(new_prefix=56))
49 psid_len = 6
50 ip6_src = ipaddress.ip_address('2a02::')
51 for i in range(ip4_pfx.num_addresses):
52 if not i % 64:
53 ip6_src = ip6_src + 1
54 print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-src " + str(ip6_src) +
55 " ea-bits-len 0 psid-offset 6 psid-len", psid_len)
56 for psid in range(0x1 << psid_len):
57 enduserprefix = list(dst.pop(0).subnets(new_prefix=64))[255-1]
58 print("map add rule index", i, "psid", psid, "ip6-dst", enduserprefix[(i * (0x1<<psid_len)) + psid])
59
60
61#
62# 1:1 Shared IPv4 address, shared BR, Terastream
63#
64def confdterastream():
65 ip4_pfx = ipaddress.ip_network('20.0.0.0/22')
66 ip6_dst = ipaddress.ip_network('bbbb::/32')
67 psid_len = 6
68 ip6_src = ipaddress.ip_address('cccc:bbbb::')
69 for i in range(ip4_pfx.num_addresses):
70 if not i % 64:
71 ip6_src = ip6_src + 1
72 print("vpp softwire softwire-instances softwire-instance", i, "br-ipv6 " + str(ip6_src) + " ipv6-prefix ::/0" + " ipv4-prefix " + str(ip4_pfx[i]) +
73 "/32 ea-len 0 psid-offset 6 psid-len", psid_len)
74# print("vpp softwire softwire-instances softwire-instance", i, "ipv4-pfx " + str(ip4_pfx[i]) + "/32 ipv6-pfx ::/0 br-ipv6 " + str(ip6_src) +
75# " ea-len 0 psid-offset 6 psid-len", psid_len)
76 for psid in range(0x1 << psid_len):
77 print("binding", psid, "ipv6-addr", ip6_dst[(i * (0x1<<psid_len)) + psid])
78
79def shared11br_yang():
80 ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
81 ip6_dst = ipaddress.ip_network('bbbb::/32')
82 psid_len = 6
83 for i in range(ip4_pfx.num_addresses):
84 print("vpp softwire softwire-instances softwire-instance " + str(i) + " ipv4-prefix " + str(ip4_pfx[i]) + "/32 " +
85 "ipv6-prefix ::/0 ea-len 0 psid-offset 6 tunnel-mtu 1234 psid-len", psid_len)
86 #print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-shared-src cccc:bbbb::1",
87 # "ea-bits-len 0 psid-offset 6 psid-len", psid_len)
88 for psid in range(0x1 << psid_len):
89 # print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid])
90 print("binding", psid, "ipv6-addr", ip6_dst[(i * (0x1<<psid_len)) + psid])
91
92def shared11br_xml():
93 ip4_pfx = ipaddress.ip_network('20.0.0.0/32')
94 ip6_dst = ipaddress.ip_network('bbbb::/32')
95 ip6_src = ipaddress.ip_address('cccc:bbbb::')
96 psid_len = 6
97 print('<vpp xmlns="http://www.cisco.com/yang/cisco-vpp"><softwire><softwire-instances>');
98 count = 1024;
99 for i in range(ip4_pfx.num_addresses):
100 if not i % 64:
101 ip6_src = ip6_src + 1
102 if count == 0:
103 break;
104 count = count - 1;
105 print('<softwire-instance>')
106 print(' <id>'+ str(i)+ '</id>')
107 print(' <ipv4-prefix>'+ str(ip4_pfx[i])+ '/32</ipv4-prefix>')
108 print(' <ipv6-prefix>::/0</ipv6-prefix>')
109 print(' <ea-len>0</ea-len>')
110 print(' <psid-offset>0</psid-offset>')
111 print(' <psid-len>'+ str(psid_len) + '</psid-len>')
112 for psid in range(0x1 << psid_len):
113 print(' <binding>')
114 print(' <psid>', psid, '</psid>')
115 print(' <ipv6-addr>'+ str(ip6_dst[(i * (0x1<<psid_len)) + psid]) + '</ipv6-addr>')
116 print(' </binding>')
117 print('</softwire-instance>')
118 print('</softwire-instances></softwire>')
119 print('</vpp>')
120
121#
122# 1:1 Shared IPv4 address, shared BR
123#
124def shared11br():
125 ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
126 ip6_dst = ipaddress.ip_network('bbbb::/32')
127 psid_len = 6
128 for i in range(ip4_pfx.num_addresses):
129 print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-shared-src cccc:bbbb::1",
130 "ea-bits-len 0 psid-offset 6 psid-len", psid_len)
131 for psid in range(0x1 << psid_len):
132 print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid])
133
134#
135# 1:1 Shared IPv4 address, shared BR
136#
137def shared11br():
138 ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
139 ip6_dst = ipaddress.ip_network('bbbb::/32')
140 psid_len = 6
141 for i in range(ip4_pfx.num_addresses):
142 print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-shared-src cccc:bbbb::1",
143 "ea-bits-len 0 psid-offset 6 psid-len", psid_len)
144 for psid in range(0x1 << psid_len):
145 print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid])
146
147
148#
149# 1:1 Shared IPv4 address
150#
151def shared11():
152 ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
153 ip6_src = ipaddress.ip_network('cccc:bbbb::/64')
154 ip6_dst = ipaddress.ip_network('bbbb::/32')
155 psid_len = 6
156 for i in range(ip4_pfx.num_addresses):
157 print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-src", ip6_src[i],
158 "ea-bits-len 0 psid-offset 6 psid-len", psid_len)
159 for psid in range(0x1 << psid_len):
160 print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid])
161
162#
163# 1:1 Shared IPv4 address small
164#
165def smallshared11():
166 ip4_pfx = ipaddress.ip_network('20.0.0.0/24')
167 ip6_src = ipaddress.ip_network('cccc:bbbb::/64')
168 ip6_dst = ipaddress.ip_network('bbbb::/32')
169 psid_len = 6
170 for i in range(ip4_pfx.num_addresses):
171 print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-src", ip6_src[i],
172 "ea-bits-len 0 psid-offset 6 psid-len", psid_len)
173 for psid in range(0x1 << psid_len):
174 print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid])
175
176#
177# 1:1 Full IPv4 address
178#
179def full11():
180 ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
181 ip6_src = ipaddress.ip_network('cccc:bbbb::/64')
182 ip6_dst = ipaddress.ip_network('bbbb::/32')
183 psid_len = 0
184 for i in range(ip4_pfx.num_addresses):
185 print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx " + str(ip6_dst[i]) + "/128 ip6-src", ip6_src[i],
186 "ea-bits-len 0 psid-offset 0 psid-len 0")
187def full11br():
188 ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
189 ip6_dst = ipaddress.ip_network('bbbb::/32')
190 psid_len = 0
191 for i in range(ip4_pfx.num_addresses):
192 print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx " + str(ip6_dst[i]) + "/128 ip6-shared-src cccc:bbbb::1",
193 "ea-bits-len 0 psid-offset 0 psid-len 0")
194
195#
196# Algorithmic mapping Shared IPv4 address
197#
198def algo():
199 print("map add domain ip4-pfx 20.0.0.0/24 ip6-pfx bbbb::/32 ip6-src cccc:bbbb::1 ea-bits-len 16 psid-offset 6 psid-len 8")
200 print("map add domain ip4-pfx 20.0.1.0/24 ip6-pfx bbbb:1::/32 ip6-src cccc:bbbb::2 ea-bits-len 8 psid-offset 0 psid-len 0")
201
202#
203# IP4 forwarding
204#
205def ip4():
206 ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
207 for i in range(ip4_pfx.num_addresses):
208 print("ip route add " + str(ip4_pfx[i]) + "/32 via 172.16.0.2")
209
210
211globals()[args.mapmode]()
212
213