cb9cadad57
Change-Id: Ib246f1fbfce93274020ee93ce461e3d8bd8b9f17 Signed-off-by: Ed Warnicke <eaw@cisco.com>
108 lines
3.9 KiB
Python
Executable File
108 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2015 Cisco and/or its affiliates.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at:
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import ipaddress
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import argparse
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import sys
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# map add domain ip4-pfx <pfx> ip6-pfx ::/0 ip6-src <ip6-src> ea-bits-len 0 psid-offset 6 psid-len 6
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# map add rule index <0> psid <psid> ip6-dst <ip6-dst>
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parser = argparse.ArgumentParser(description='MAP VPP configuration generator')
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parser.add_argument('-t', action="store", dest="mapmode")
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args = parser.parse_args()
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#
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# 1:1 Shared IPv4 address, shared BR
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#
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def shared11br():
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ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
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ip6_dst = ipaddress.ip_network('bbbb::/32')
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psid_len = 6
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for i in range(ip4_pfx.num_addresses):
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print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-shared-src cccc:bbbb::1",
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"ea-bits-len 0 psid-offset 6 psid-len", psid_len)
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for psid in range(0x1 << psid_len):
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print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid])
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#
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# 1:1 Shared IPv4 address
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#
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def shared11():
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ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
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ip6_src = ipaddress.ip_network('cccc:bbbb::/64')
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ip6_dst = ipaddress.ip_network('bbbb::/32')
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psid_len = 6
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for i in range(ip4_pfx.num_addresses):
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print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-src", ip6_src[i],
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"ea-bits-len 0 psid-offset 6 psid-len", psid_len)
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for psid in range(0x1 << psid_len):
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print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid])
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#
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# 1:1 Shared IPv4 address small
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#
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def smallshared11():
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ip4_pfx = ipaddress.ip_network('20.0.0.0/24')
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ip6_src = ipaddress.ip_network('cccc:bbbb::/64')
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ip6_dst = ipaddress.ip_network('bbbb::/32')
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psid_len = 6
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for i in range(ip4_pfx.num_addresses):
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print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx ::/0 ip6-src", ip6_src[i],
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"ea-bits-len 0 psid-offset 6 psid-len", psid_len)
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for psid in range(0x1 << psid_len):
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print("map add rule index", i, "psid", psid, "ip6-dst", ip6_dst[(i * (0x1<<psid_len)) + psid])
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#
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# 1:1 Full IPv4 address
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#
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def full11():
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ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
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ip6_src = ipaddress.ip_network('cccc:bbbb::/64')
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ip6_dst = ipaddress.ip_network('bbbb::/32')
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psid_len = 0
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for i in range(ip4_pfx.num_addresses):
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print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx " + str(ip6_dst[i]) + "/128 ip6-src", ip6_src[i],
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"ea-bits-len 0 psid-offset 0 psid-len 0")
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def full11br():
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ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
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ip6_dst = ipaddress.ip_network('bbbb::/32')
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psid_len = 0
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for i in range(ip4_pfx.num_addresses):
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print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx " + str(ip6_dst[i]) + "/128 ip6-shared-src cccc:bbbb::1",
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"ea-bits-len 0 psid-offset 0 psid-len 0")
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#
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# Algorithmic mapping Shared IPv4 address
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#
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def algo():
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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")
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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")
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#
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# IP4 forwarding
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#
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def ip4():
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ip4_pfx = ipaddress.ip_network('20.0.0.0/16')
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for i in range(ip4_pfx.num_addresses):
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print("ip route add " + str(ip4_pfx[i]) + "/32 via 172.16.0.2")
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globals()[args.mapmode]()
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