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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"
Linus Torvalds1da177e2005-04-16 15:20:36 -070072 select XFRM
73 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"
Linus Torvalds1da177e2005-04-16 15:20:36 -070084 select XFRM
85 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
171 Saying M here will produce a module called sit.ko. If unsure, say Y.
172
YOSHIFUJI Hideakide357cc2008-03-15 23:59:18 -0400173config IPV6_NDISC_NODETYPE
174 bool
175
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176config IPV6_TUNNEL
YOSHIFUJI Hideaki38fe9992008-03-20 16:13:58 -0700177 tristate "IPv6: IP-in-IPv6 tunnel (RFC2473)"
Herbert Xud2acc342006-03-28 01:12:13 -0800178 select INET6_TUNNEL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179 ---help---
YOSHIFUJI Hideaki38fe9992008-03-20 16:13:58 -0700180 Support for IPv6-in-IPv6 and IPv4-in-IPv6 tunnels described in
181 RFC 2473.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182
183 If unsure, say N.
184
Ville Nuorvala264e91b2006-10-16 22:12:21 -0700185config IPV6_MULTIPLE_TABLES
186 bool "IPv6: Multiple Routing Tables"
Jan Engelhardt0b185422008-04-13 23:30:47 -0700187 depends on EXPERIMENTAL
Ville Nuorvala264e91b2006-10-16 22:12:21 -0700188 select FIB_RULES
189 ---help---
190 Support multiple routing tables.
191
YOSHIFUJI Hideaki4e96c2b2006-08-23 17:23:39 -0700192config IPV6_SUBTREES
193 bool "IPv6: source address based routing"
Ville Nuorvala264e91b2006-10-16 22:12:21 -0700194 depends on IPV6_MULTIPLE_TABLES
YOSHIFUJI Hideaki4e96c2b2006-08-23 17:23:39 -0700195 ---help---
196 Enable routing by source address or prefix.
197
198 The destination address is still the primary routing key, so mixing
199 normal and source prefix specific routes in the same routing table
200 may sometimes lead to unintended routing behavior. This can be
201 avoided by defining different routing tables for the normal and
202 source prefix specific routes.
203
204 If unsure, say N.
205
YOSHIFUJI Hideaki7bc570c2008-04-03 09:22:53 +0900206config IPV6_MROUTE
207 bool "IPv6: multicast routing (EXPERIMENTAL)"
208 depends on IPV6 && EXPERIMENTAL
209 ---help---
210 Experimental support for IPv6 multicast forwarding.
211 If unsure, say N.
212
YOSHIFUJI Hideaki14fb64e2008-04-03 09:22:54 +0900213config IPV6_PIMSM_V2
214 bool "IPv6: PIM-SM version 2 support (EXPERIMENTAL)"
215 depends on IPV6_MROUTE
216 ---help---
217 Support for IPv6 PIM multicast routing protocol PIM-SMv2.
218 If unsure, say N.
219
Jan Engelhardt0b185422008-04-13 23:30:47 -0700220endif # IPV6