diff options
Diffstat (limited to 'vnet/vnet/map/examples/gen-rules.py')
| -rwxr-xr-x | vnet/vnet/map/examples/gen-rules.py | 217 |
1 files changed, 53 insertions, 164 deletions
diff --git a/vnet/vnet/map/examples/gen-rules.py b/vnet/vnet/map/examples/gen-rules.py index d6746f79af4..ba6dde09aa8 100755 --- a/vnet/vnet/map/examples/gen-rules.py +++ b/vnet/vnet/map/examples/gen-rules.py @@ -1,4 +1,4 @@ -#!/usr/bin/env python3.4 +#!/usr/bin/env python3 # Copyright (c) 2015 Cisco and/or its affiliates. # Licensed under the Apache License, Version 2.0 (the "License"); @@ -20,194 +20,83 @@ 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> +def_ip4_pfx = '192.0.2.0/24' +def_ip6_pfx = '2001:db8::/32' +def_ip6_src = '2001:db8::1' +def_psid_offset = 6 +def_psid_len = 6 +def_ea_bits_len = 14 + + parser = argparse.ArgumentParser(description='MAP VPP configuration generator') parser.add_argument('-t', action="store", dest="mapmode") +parser.add_argument('--ip4-prefix', action="store", dest="ip4_pfx", default=def_ip4_pfx) +parser.add_argument('--ip6-prefix', action="store", dest="ip6_pfx", default=def_ip6_pfx) +parser.add_argument('--ip6-src', action="store", dest="ip6_src", default=def_ip6_src) +parser.add_argument('--psid-len', action="store", dest="psid_len", default=def_psid_len) +parser.add_argument('--psid-offset', action="store", dest="psid_offset", default=def_psid_offset) +parser.add_argument('--ea-bits-len', action="store", dest="ea_bits_len", default=def_ea_bits_len) 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 +# Algorithmic mapping Shared IPv4 address # -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]) - +def algo(ip4_pfx_str, ip6_pfx_str, ip6_src_str, psid_len, ea_bits_len, ip6_src_ecmp = False): + print("map add domain ip4-pfx " + ip4_pfx_str + " ip6-pfx " + ip6_pfx_str + " ip6-src " + ip6_src_str + + " ea-bits-len " + str(ea_bits_len) + " psid-offset 6 psid-len " + str(psid_len)) # -# 1:1 Shared IPv4 address, shared BR, Terastream +# 1:1 Full IPv4 address # -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 lw46(ip4_pfx_str, ip6_pfx_str, ip6_src_str, psid_len, ea_bits_len, ip6_src_ecmp = False): + ip4_pfx = ipaddress.ip_network(ip4_pfx_str) + ip6_src = ipaddress.ip_address(ip6_src_str) + ip6_dst = ipaddress.ip_network(ip6_pfx_str) + psid_len = 0 + mod = ip4_pfx.num_addresses / 1024 -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: + print("map add domain ip4-pfx " + str(ip4_pfx[i]) + "/32 ip6-pfx " + str(ip6_dst[i]) + "/128 ip6-src", + ip6_src, "ea-bits-len 0 psid-offset 0 psid-len 0") + if ip6_src_ecmp and not i % mod: 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 +# 1:1 Shared IPv4 address, shared BR (16) VPP CLI # -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]) +def lw46_shared(ip4_pfx_str, ip6_pfx_str, ip6_src_str, psid_len, ea_bits_len, ip6_src_ecmp = False): + ip4_pfx = ipaddress.ip_network(ip4_pfx_str) + ip6_src = ipaddress.ip_address(ip6_src_str) + ip6_dst = ipaddress.ip_network(ip6_pfx_str) + mod = ip4_pfx.num_addresses / 1024 -# -# 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) + 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]) + if ip6_src_ecmp and not i % mod: + ip6_src = ip6_src + 1 # -# 1:1 Shared IPv4 address small +# 1:1 Shared IPv4 address, shared BR # -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') +def lw46_shared_b(ip4_pfx_str, ip6_pfx_str, ip6_src_str, psid_len, ea_bits_len, ip6_src_ecmp = False): + ip4_pfx = ipaddress.ip_network(ip4_pfx_str) + ip6_src = ipaddress.ip_address(ip6_src_str) + ip6_dst = list(ipaddress.ip_network(ip6_pfx_str).subnets(new_prefix=56)) 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]() - + 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(ip6_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]) +globals()[args.mapmode](args.ip4_pfx, args.ip6_pfx, args.ip6_src, args.psid_len, args.psid_offset, + args.ea_bits_len) |