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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# IPv6 configuration
Sam Ravnborg6a2e9b72005-07-11 21:13:56 -07003#
4
5# IPv6 as module will cause a CRASH if you try to unload it
Jan Engelhardt0b185422008-04-13 23:30:47 -07006menuconfig IPV6
Sam Ravnborg6a2e9b72005-07-11 21:13:56 -07007 tristate "The IPv6 protocol"
8 default m
Sam Ravnborg6a2e9b72005-07-11 21:13:56 -07009 ---help---
10 This is complemental support for the IP version 6.
11 You will still be able to do traditional IPv4 networking as well.
12
13 For general information about IPv6, see
14 <http://playground.sun.com/pub/ipng/html/ipng-main.html>.
15 For Linux IPv6 development information, see <http://www.linux-ipv6.org>.
16 For specific information about IPv6 under Linux, read the HOWTO at
17 <http://www.bieringer.de/linux/IPv6/>.
18
19 To compile this protocol support as a module, choose M here: the
20 module will be called ipv6.
21
Jan Engelhardt0b185422008-04-13 23:30:47 -070022if IPV6
23
Linus Torvalds1da177e2005-04-16 15:20:36 -070024config IPV6_PRIVACY
Matt LaPlante692105b2009-01-26 11:12:25 +010025 bool "IPv6: Privacy Extensions (RFC 3041) support"
Linus Torvalds1da177e2005-04-16 15:20:36 -070026 ---help---
27 Privacy Extensions for Stateless Address Autoconfiguration in IPv6
Matt LaPlante692105b2009-01-26 11:12:25 +010028 support. With this option, additional periodically-altered
29 pseudo-random global-scope unicast address(es) will be assigned to
Linus Torvalds1da177e2005-04-16 15:20:36 -070030 your interface(s).
31
Matt LaPlante692105b2009-01-26 11:12:25 +010032 We use our standard pseudo-random algorithm to generate the
33 randomized interface identifier, instead of one described in RFC 3041.
YOSHIFUJI Hideaki955189e2006-03-20 16:54:09 -080034
Matt LaPlante692105b2009-01-26 11:12:25 +010035 By default the kernel does not generate temporary addresses.
Linus Torvalds1da177e2005-04-16 15:20:36 -070036 To use temporary addresses, do
37
38 echo 2 >/proc/sys/net/ipv6/conf/all/use_tempaddr
39
40 See <file:Documentation/networking/ip-sysctl.txt> for details.
41
YOSHIFUJI Hideakiebacaaa2006-03-20 17:04:53 -080042config IPV6_ROUTER_PREF
43 bool "IPv6: Router Preference (RFC 4191) support"
YOSHIFUJI Hideakiebacaaa2006-03-20 17:04:53 -080044 ---help---
45 Router Preference is an optional extension to the Router
Matt LaPlante692105b2009-01-26 11:12:25 +010046 Advertisement message which improves the ability of hosts
47 to pick an appropriate router, especially when the hosts
48 are placed in a multi-homed network.
YOSHIFUJI Hideakiebacaaa2006-03-20 17:04:53 -080049
50 If unsure, say N.
51
YOSHIFUJI Hideaki70ceb4f2006-03-20 17:06:24 -080052config IPV6_ROUTE_INFO
53 bool "IPv6: Route Information (RFC 4191) support (EXPERIMENTAL)"
54 depends on IPV6_ROUTER_PREF && EXPERIMENTAL
55 ---help---
56 This is experimental support of Route Information.
57
58 If unsure, say N.
59
Neil Horman95c385b2007-04-25 17:08:10 -070060config IPV6_OPTIMISTIC_DAD
61 bool "IPv6: Enable RFC 4429 Optimistic DAD (EXPERIMENTAL)"
Jan Engelhardt0b185422008-04-13 23:30:47 -070062 depends on EXPERIMENTAL
Neil Horman95c385b2007-04-25 17:08:10 -070063 ---help---
64 This is experimental support for optimistic Duplicate
65 Address Detection. It allows for autoconfigured addresses
66 to be used more quickly.
67
68 If unsure, say N.
69
Linus Torvalds1da177e2005-04-16 15:20:36 -070070config INET6_AH
71 tristate "IPv6: AH transformation"
Jan Beulich7e152522012-05-15 01:57:44 +000072 select XFRM_ALGO
Linus Torvalds1da177e2005-04-16 15:20:36 -070073 select CRYPTO
74 select CRYPTO_HMAC
75 select CRYPTO_MD5
76 select CRYPTO_SHA1
77 ---help---
78 Support for IPsec AH.
79
80 If unsure, say Y.
81
82config INET6_ESP
83 tristate "IPv6: ESP transformation"
Jan Beulich7e152522012-05-15 01:57:44 +000084 select XFRM_ALGO
Linus Torvalds1da177e2005-04-16 15:20:36 -070085 select CRYPTO
Herbert Xued58dd42008-03-04 14:29:21 -080086 select CRYPTO_AUTHENC
Linus Torvalds1da177e2005-04-16 15:20:36 -070087 select CRYPTO_HMAC
88 select CRYPTO_MD5
Herbert Xu6b7326c2006-07-30 15:41:01 +100089 select CRYPTO_CBC
Linus Torvalds1da177e2005-04-16 15:20:36 -070090 select CRYPTO_SHA1
91 select CRYPTO_DES
92 ---help---
93 Support for IPsec ESP.
94
95 If unsure, say Y.
96
97config INET6_IPCOMP
98 tristate "IPv6: IPComp transformation"
Herbert Xud2acc342006-03-28 01:12:13 -080099 select INET6_XFRM_TUNNEL
Herbert Xu6fccab62008-07-25 02:54:40 -0700100 select XFRM_IPCOMP
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101 ---help---
102 Support for IP Payload Compression Protocol (IPComp) (RFC3173),
103 typically needed for IPsec.
104
105 If unsure, say Y.
106
Masahide NAKAMURAee538262006-08-23 19:13:46 -0700107config IPV6_MIP6
Masahide NAKAMURA59fbb3a62007-06-26 23:56:32 -0700108 tristate "IPv6: Mobility (EXPERIMENTAL)"
Jan Engelhardt0b185422008-04-13 23:30:47 -0700109 depends on EXPERIMENTAL
Masahide NAKAMURAee538262006-08-23 19:13:46 -0700110 select XFRM
111 ---help---
112 Support for IPv6 Mobility described in RFC 3775.
113
114 If unsure, say N.
115
Herbert Xud2acc342006-03-28 01:12:13 -0800116config INET6_XFRM_TUNNEL
117 tristate
118 select INET6_TUNNEL
119 default n
120
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121config INET6_TUNNEL
Herbert Xud2acc342006-03-28 01:12:13 -0800122 tristate
123 default n
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124
Herbert Xub59f45d2006-05-27 23:05:54 -0700125config INET6_XFRM_MODE_TRANSPORT
126 tristate "IPv6: IPsec transport mode"
Herbert Xub59f45d2006-05-27 23:05:54 -0700127 default IPV6
128 select XFRM
129 ---help---
130 Support for IPsec transport mode.
131
132 If unsure, say Y.
133
134config INET6_XFRM_MODE_TUNNEL
135 tristate "IPv6: IPsec tunnel mode"
Herbert Xub59f45d2006-05-27 23:05:54 -0700136 default IPV6
137 select XFRM
138 ---help---
139 Support for IPsec tunnel mode.
140
141 If unsure, say Y.
142
Diego Beltrami0a694522006-10-03 23:47:05 -0700143config INET6_XFRM_MODE_BEET
144 tristate "IPv6: IPsec BEET mode"
Diego Beltrami0a694522006-10-03 23:47:05 -0700145 default IPV6
146 select XFRM
147 ---help---
148 Support for IPsec BEET mode.
149
150 If unsure, say Y.
151
Masahide NAKAMURA1d716272006-08-23 17:59:44 -0700152config INET6_XFRM_MODE_ROUTEOPTIMIZATION
153 tristate "IPv6: MIPv6 route optimization mode (EXPERIMENTAL)"
Jan Engelhardt0b185422008-04-13 23:30:47 -0700154 depends on EXPERIMENTAL
Masahide NAKAMURA1d716272006-08-23 17:59:44 -0700155 select XFRM
156 ---help---
157 Support for MIPv6 route optimization mode.
158
Joerg Roedel989e5b92006-10-10 14:47:44 -0700159config IPV6_SIT
160 tristate "IPv6: IPv6-in-IPv4 tunnel (SIT driver)"
Kazunori MIYAZAWAc73cb5a2007-02-13 12:55:25 -0800161 select INET_TUNNEL
YOSHIFUJI Hideakide357cc2008-03-15 23:59:18 -0400162 select IPV6_NDISC_NODETYPE
Joerg Roedel989e5b92006-10-10 14:47:44 -0700163 default y
164 ---help---
165 Tunneling means encapsulating data of one protocol type within
166 another protocol and sending it over a channel that understands the
167 encapsulating protocol. This driver implements encapsulation of IPv6
David S. Miller5c5d6da2008-04-26 22:50:57 -0700168 into IPv4 packets. This is useful if you want to connect two IPv6
Joerg Roedel989e5b92006-10-10 14:47:44 -0700169 networks over an IPv4-only path.
170
Pavel Machek4737f092009-06-05 00:44:53 +0200171 Saying M here will produce a module called sit. If unsure, say Y.
Joerg Roedel989e5b92006-10-10 14:47:44 -0700172
YOSHIFUJI Hideaki / 吉藤英明fa857af2009-09-22 23:43:14 +0000173config IPV6_SIT_6RD
Alexandre Cassen8a6dfd42009-10-07 14:50:30 -0700174 bool "IPv6: IPv6 Rapid Deployment (6RD) (EXPERIMENTAL)"
YOSHIFUJI Hideaki / 吉藤英明fa857af2009-09-22 23:43:14 +0000175 depends on IPV6_SIT && EXPERIMENTAL
176 default n
177 ---help---
178 IPv6 Rapid Deployment (6rd; draft-ietf-softwire-ipv6-6rd) builds upon
179 mechanisms of 6to4 (RFC3056) to enable a service provider to rapidly
180 deploy IPv6 unicast service to IPv4 sites to which it provides
181 customer premise equipment. Like 6to4, it utilizes stateless IPv6 in
182 IPv4 encapsulation in order to transit IPv4-only network
183 infrastructure. Unlike 6to4, a 6rd service provider uses an IPv6
184 prefix of its own in place of the fixed 6to4 prefix.
185
186 With this option enabled, the SIT driver offers 6rd functionality by
187 providing additional ioctl API to configure the IPv6 Prefix for in
188 stead of static 2002::/16 for 6to4.
189
190 If unsure, say N.
191
YOSHIFUJI Hideakide357cc2008-03-15 23:59:18 -0400192config IPV6_NDISC_NODETYPE
193 bool
194
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195config IPV6_TUNNEL
YOSHIFUJI Hideaki38fe9992008-03-20 16:13:58 -0700196 tristate "IPv6: IP-in-IPv6 tunnel (RFC2473)"
Herbert Xud2acc342006-03-28 01:12:13 -0800197 select INET6_TUNNEL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700198 ---help---
YOSHIFUJI Hideaki38fe9992008-03-20 16:13:58 -0700199 Support for IPv6-in-IPv6 and IPv4-in-IPv6 tunnels described in
200 RFC 2473.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201
202 If unsure, say N.
203
xeb@mail.ruc12b3952012-08-10 00:51:50 +0000204config IPV6_GRE
205 tristate "IPv6: GRE tunnel"
206 select IPV6_TUNNEL
207 ---help---
208 Tunneling means encapsulating data of one protocol type within
209 another protocol and sending it over a channel that understands the
210 encapsulating protocol. This particular tunneling driver implements
211 GRE (Generic Routing Encapsulation) and at this time allows
212 encapsulating of IPv4 or IPv6 over existing IPv6 infrastructure.
213 This driver is useful if the other endpoint is a Cisco router: Cisco
214 likes GRE much better than the other Linux tunneling driver ("IP
215 tunneling" above). In addition, GRE allows multicast redistribution
216 through the tunnel.
217
218 Saying M here will produce a module called ip6_gre. If unsure, say N.
219
Ville Nuorvala264e91b2006-10-16 22:12:21 -0700220config IPV6_MULTIPLE_TABLES
221 bool "IPv6: Multiple Routing Tables"
Jan Engelhardt0b185422008-04-13 23:30:47 -0700222 depends on EXPERIMENTAL
Ville Nuorvala264e91b2006-10-16 22:12:21 -0700223 select FIB_RULES
224 ---help---
225 Support multiple routing tables.
226
YOSHIFUJI Hideaki4e96c2b2006-08-23 17:23:39 -0700227config IPV6_SUBTREES
228 bool "IPv6: source address based routing"
Ville Nuorvala264e91b2006-10-16 22:12:21 -0700229 depends on IPV6_MULTIPLE_TABLES
YOSHIFUJI Hideaki4e96c2b2006-08-23 17:23:39 -0700230 ---help---
231 Enable routing by source address or prefix.
232
233 The destination address is still the primary routing key, so mixing
234 normal and source prefix specific routes in the same routing table
235 may sometimes lead to unintended routing behavior. This can be
236 avoided by defining different routing tables for the normal and
237 source prefix specific routes.
238
239 If unsure, say N.
240
YOSHIFUJI Hideaki7bc570c2008-04-03 09:22:53 +0900241config IPV6_MROUTE
242 bool "IPv6: multicast routing (EXPERIMENTAL)"
243 depends on IPV6 && EXPERIMENTAL
244 ---help---
245 Experimental support for IPv6 multicast forwarding.
246 If unsure, say N.
247
Patrick McHardyd1db2752010-05-11 14:40:55 +0200248config IPV6_MROUTE_MULTIPLE_TABLES
249 bool "IPv6: multicast policy routing"
250 depends on IPV6_MROUTE
251 select FIB_RULES
252 help
253 Normally, a multicast router runs a userspace daemon and decides
254 what to do with a multicast packet based on the source and
255 destination addresses. If you say Y here, the multicast router
256 will also be able to take interfaces and packet marks into
257 account and run multiple instances of userspace daemons
258 simultaneously, each one handling a single table.
259
260 If unsure, say N.
261
YOSHIFUJI Hideaki14fb64e2008-04-03 09:22:54 +0900262config IPV6_PIMSM_V2
263 bool "IPv6: PIM-SM version 2 support (EXPERIMENTAL)"
264 depends on IPV6_MROUTE
265 ---help---
266 Support for IPv6 PIM multicast routing protocol PIM-SMv2.
267 If unsure, say N.
268
Jan Engelhardt0b185422008-04-13 23:30:47 -0700269endif # IPV6