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Diffstat (limited to 'vnet/vnet/map/examples/gen-rules.py')
| -rwxr-xr-x | vnet/vnet/map/examples/gen-rules.py | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/vnet/vnet/map/examples/gen-rules.py b/vnet/vnet/map/examples/gen-rules.py new file mode 100755 index 00000000000..d6746f79af4 --- /dev/null +++ b/vnet/vnet/map/examples/gen-rules.py @@ -0,0 +1,213 @@ +#!/usr/bin/env python3.4 + +# Copyright (c) 2015 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: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import ipaddress +import argparse +import sys + +# map add domain ip4-pfx <pfx> ip6-pfx ::/0 ip6-src <ip6-src> ea-bits-len 0 psid-offset 6 psid-len 6 +# map add rule index <0> psid <psid> ip6-dst <ip6-dst> + +parser = argparse.ArgumentParser(description='MAP VPP configuration generator') +parser.add_argument('-t', action="store", dest="mapmode") +args = parser.parse_args() + +# +# 1:1 Shared IPv4 address, shared BR, Terastream +# +def terastream(): + ip4_pfx = ipaddress.ip_network('20.0.0.0/22') + ip6_dst = ipaddress.ip_network('bbbb::/32') + psid_len = 6 + ip6_src = ipaddress.ip_address('cccc:bbbb::') + for i in range(ip4_pfx.num_addresses): + if not i % 64: + ip6_src = ip6_src + 1 + print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-src " + str(ip6_src) + + " ea-bits-len 0 psid-offset 0 psid-len", psid_len) + for psid in range(0x1 << psid_len): + print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid]) + +# +# 1:1 Shared IPv4 address, shared BR, OTE +# +def oteshared11(): + ip4_pfx = ipaddress.ip_network('2.84.63.0/24') + dst = list(ipaddress.ip_network('2a02:580:8c00::/40').subnets(new_prefix=56)) + psid_len = 6 + ip6_src = ipaddress.ip_address('2a02::') + for i in range(ip4_pfx.num_addresses): + if not i % 64: + ip6_src = ip6_src + 1 + print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-src " + str(ip6_src) + + " ea-bits-len 0 psid-offset 6 psid-len", psid_len) + for psid in range(0x1 << psid_len): + enduserprefix = list(dst.pop(0).subnets(new_prefix=64))[255-1] + print("map add rule index", i, "psid", psid, "ip6-dst", enduserprefix[(i * (0x1<<psid_len)) + psid]) + + +# +# 1:1 Shared IPv4 address, shared BR, Terastream +# +def confdterastream(): + ip4_pfx = ipaddress.ip_network('20.0.0.0/22') + ip6_dst = ipaddress.ip_network('bbbb::/32') + psid_len = 6 + ip6_src = ipaddress.ip_address('cccc:bbbb::') + for i in range(ip4_pfx.num_addresses): + if not i % 64: + ip6_src = ip6_src + 1 + print("vpp softwire softwire-instances softwire-instance", i, "br-ipv6 " + str(ip6_src) + " ipv6-prefix ::/0" + " ipv4-prefix " + str(ip4_pfx[i]) + + "/32 ea-len 0 psid-offset 6 psid-len", psid_len) +# print("vpp softwire softwire-instances softwire-instance", i, "ipv4-pfx " + str(ip4_pfx[i]) + "/32 ipv6-pfx ::/0 br-ipv6 " + str(ip6_src) + +# " ea-len 0 psid-offset 6 psid-len", psid_len) + for psid in range(0x1 << psid_len): + print("binding", psid, "ipv6-addr", ip6_dst[(i * (0x1<<psid_len)) + psid]) + +def shared11br_yang(): + ip4_pfx = ipaddress.ip_network('20.0.0.0/16') + ip6_dst = ipaddress.ip_network('bbbb::/32') + psid_len = 6 + for i in range(ip4_pfx.num_addresses): + print("vpp softwire softwire-instances softwire-instance " + str(i) + " ipv4-prefix " + str(ip4_pfx[i]) + "/32 " + + "ipv6-prefix ::/0 ea-len 0 psid-offset 6 tunnel-mtu 1234 psid-len", psid_len) + #print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-shared-src cccc:bbbb::1", + # "ea-bits-len 0 psid-offset 6 psid-len", psid_len) + for psid in range(0x1 << psid_len): + # print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid]) + print("binding", psid, "ipv6-addr", ip6_dst[(i * (0x1<<psid_len)) + psid]) + +def shared11br_xml(): + ip4_pfx = ipaddress.ip_network('20.0.0.0/32') + ip6_dst = ipaddress.ip_network('bbbb::/32') + ip6_src = ipaddress.ip_address('cccc:bbbb::') + psid_len = 6 + print('<vpp xmlns="http://www.cisco.com/yang/cisco-vpp"><softwire><softwire-instances>'); + count = 1024; + for i in range(ip4_pfx.num_addresses): + if not i % 64: + ip6_src = ip6_src + 1 + if count == 0: + break; + count = count - 1; + print('<softwire-instance>') + print(' <id>'+ str(i)+ '</id>') + print(' <ipv4-prefix>'+ str(ip4_pfx[i])+ '/32</ipv4-prefix>') + print(' <ipv6-prefix>::/0</ipv6-prefix>') + print(' <ea-len>0</ea-len>') + print(' <psid-offset>0</psid-offset>') + print(' <psid-len>'+ str(psid_len) + '</psid-len>') + for psid in range(0x1 << psid_len): + print(' <binding>') + print(' <psid>', psid, '</psid>') + print(' <ipv6-addr>'+ str(ip6_dst[(i * (0x1<<psid_len)) + psid]) + '</ipv6-addr>') + print(' </binding>') + print('</softwire-instance>') + print('</softwire-instances></softwire>') + print('</vpp>') + +# +# 1:1 Shared IPv4 address, shared BR +# +def shared11br(): + ip4_pfx = ipaddress.ip_network('20.0.0.0/16') + ip6_dst = ipaddress.ip_network('bbbb::/32') + psid_len = 6 + for i in range(ip4_pfx.num_addresses): + print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-shared-src cccc:bbbb::1", + "ea-bits-len 0 psid-offset 6 psid-len", psid_len) + for psid in range(0x1 << psid_len): + print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid]) + +# +# 1:1 Shared IPv4 address, shared BR +# +def shared11br(): + ip4_pfx = ipaddress.ip_network('20.0.0.0/16') + ip6_dst = ipaddress.ip_network('bbbb::/32') + psid_len = 6 + for i in range(ip4_pfx.num_addresses): + print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-shared-src cccc:bbbb::1", + "ea-bits-len 0 psid-offset 6 psid-len", psid_len) + for psid in range(0x1 << psid_len): + print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid]) + + +# +# 1:1 Shared IPv4 address +# +def shared11(): + ip4_pfx = ipaddress.ip_network('20.0.0.0/16') + ip6_src = ipaddress.ip_network('cccc:bbbb::/64') + ip6_dst = ipaddress.ip_network('bbbb::/32') + psid_len = 6 + for i in range(ip4_pfx.num_addresses): + print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-src", ip6_src[i], + "ea-bits-len 0 psid-offset 6 psid-len", psid_len) + for psid in range(0x1 << psid_len): + print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid]) + +# +# 1:1 Shared IPv4 address small +# +def smallshared11(): + ip4_pfx = ipaddress.ip_network('20.0.0.0/24') + ip6_src = ipaddress.ip_network('cccc:bbbb::/64') + ip6_dst = ipaddress.ip_network('bbbb::/32') + psid_len = 6 + for i in range(ip4_pfx.num_addresses): + print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-src", ip6_src[i], + "ea-bits-len 0 psid-offset 6 psid-len", psid_len) + for psid in range(0x1 << psid_len): + print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid]) + +# +# 1:1 Full IPv4 address +# +def full11(): + ip4_pfx = ipaddress.ip_network('20.0.0.0/16') + ip6_src = ipaddress.ip_network('cccc:bbbb::/64') + ip6_dst = ipaddress.ip_network('bbbb::/32') + psid_len = 0 + for i in range(ip4_pfx.num_addresses): + print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx " + str(ip6_dst[i]) + "/128 ip6-src", ip6_src[i], + "ea-bits-len 0 psid-offset 0 psid-len 0") +def full11br(): + ip4_pfx = ipaddress.ip_network('20.0.0.0/16') + ip6_dst = ipaddress.ip_network('bbbb::/32') + psid_len = 0 + for i in range(ip4_pfx.num_addresses): + print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx " + str(ip6_dst[i]) + "/128 ip6-shared-src cccc:bbbb::1", + "ea-bits-len 0 psid-offset 0 psid-len 0") + +# +# Algorithmic mapping Shared IPv4 address +# +def algo(): + 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") + 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") + +# +# IP4 forwarding +# +def ip4(): + ip4_pfx = ipaddress.ip_network('20.0.0.0/16') + for i in range(ip4_pfx.num_addresses): + print("ip route add " + str(ip4_pfx[i]) + "/32 via 172.16.0.2") + + +globals()[args.mapmode]() + + |