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Diffstat (limited to 'src/vnet/map/gen-rules.py')
| -rwxr-xr-x | src/vnet/map/gen-rules.py | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/vnet/map/gen-rules.py b/src/vnet/map/gen-rules.py new file mode 100755 index 00000000000..533a8e237f7 --- /dev/null +++ b/src/vnet/map/gen-rules.py @@ -0,0 +1,107 @@ +#!/usr/bin/env python + +# 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 +# +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]() + + |