1# 2# IPv6 configuration 3# 4 5# IPv6 as module will cause a CRASH if you try to unload it 6config IPV6 7 tristate "The IPv6 protocol" 8 default m 9 ---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 22config IPV6_PRIVACY 23 bool "IPv6: Privacy Extensions support" 24 depends on IPV6 25 ---help--- 26 Privacy Extensions for Stateless Address Autoconfiguration in IPv6 27 support. With this option, additional periodically-alter 28 pseudo-random global-scope unicast address(es) will assigned to 29 your interface(s). 30 31 We use our standard pseudo random algorithm to generate randomized 32 interface identifier, instead of one described in RFC 3041. 33 34 By default, kernel do not generate temporary addresses. 35 To use temporary addresses, do 36 37 echo 2 >/proc/sys/net/ipv6/conf/all/use_tempaddr 38 39 See <file:Documentation/networking/ip-sysctl.txt> for details. 40 41config IPV6_ROUTER_PREF 42 bool "IPv6: Router Preference (RFC 4191) support" 43 depends on IPV6 44 ---help--- 45 Router Preference is an optional extension to the Router 46 Advertisement message to improve the ability of hosts 47 to pick more appropriate router, especially when the hosts 48 is placed in a multi-homed network. 49 50 If unsure, say N. 51 52config 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 60config IPV6_OPTIMISTIC_DAD 61 bool "IPv6: Enable RFC 4429 Optimistic DAD (EXPERIMENTAL)" 62 depends on IPV6 && EXPERIMENTAL 63 ---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 70config INET6_AH 71 tristate "IPv6: AH transformation" 72 depends on IPV6 73 select XFRM 74 select CRYPTO 75 select CRYPTO_HMAC 76 select CRYPTO_MD5 77 select CRYPTO_SHA1 78 ---help--- 79 Support for IPsec AH. 80 81 If unsure, say Y. 82 83config INET6_ESP 84 tristate "IPv6: ESP transformation" 85 depends on IPV6 86 select XFRM 87 select CRYPTO 88 select CRYPTO_HMAC 89 select CRYPTO_MD5 90 select CRYPTO_CBC 91 select CRYPTO_SHA1 92 select CRYPTO_DES 93 ---help--- 94 Support for IPsec ESP. 95 96 If unsure, say Y. 97 98config INET6_IPCOMP 99 tristate "IPv6: IPComp transformation" 100 depends on IPV6 101 select XFRM 102 select INET6_XFRM_TUNNEL 103 select CRYPTO 104 select CRYPTO_DEFLATE 105 ---help--- 106 Support for IP Payload Compression Protocol (IPComp) (RFC3173), 107 typically needed for IPsec. 108 109 If unsure, say Y. 110 111config IPV6_MIP6 112 bool "IPv6: Mobility (EXPERIMENTAL)" 113 depends on IPV6 && EXPERIMENTAL 114 select XFRM 115 ---help--- 116 Support for IPv6 Mobility described in RFC 3775. 117 118 If unsure, say N. 119 120config INET6_XFRM_TUNNEL 121 tristate 122 select INET6_TUNNEL 123 default n 124 125config INET6_TUNNEL 126 tristate 127 default n 128 129config INET6_XFRM_MODE_TRANSPORT 130 tristate "IPv6: IPsec transport mode" 131 depends on IPV6 132 default IPV6 133 select XFRM 134 ---help--- 135 Support for IPsec transport mode. 136 137 If unsure, say Y. 138 139config INET6_XFRM_MODE_TUNNEL 140 tristate "IPv6: IPsec tunnel mode" 141 depends on IPV6 142 default IPV6 143 select XFRM 144 ---help--- 145 Support for IPsec tunnel mode. 146 147 If unsure, say Y. 148 149config INET6_XFRM_MODE_BEET 150 tristate "IPv6: IPsec BEET mode" 151 depends on IPV6 152 default IPV6 153 select XFRM 154 ---help--- 155 Support for IPsec BEET mode. 156 157 If unsure, say Y. 158 159config INET6_XFRM_MODE_ROUTEOPTIMIZATION 160 tristate "IPv6: MIPv6 route optimization mode (EXPERIMENTAL)" 161 depends on IPV6 && EXPERIMENTAL 162 select XFRM 163 ---help--- 164 Support for MIPv6 route optimization mode. 165 166config IPV6_SIT 167 tristate "IPv6: IPv6-in-IPv4 tunnel (SIT driver)" 168 depends on IPV6 169 select INET_TUNNEL 170 default y 171 ---help--- 172 Tunneling means encapsulating data of one protocol type within 173 another protocol and sending it over a channel that understands the 174 encapsulating protocol. This driver implements encapsulation of IPv6 175 into IPv4 packets. This is useful if you want to connect two IPv6 176 networks over an IPv4-only path. 177 178 Saying M here will produce a module called sit.ko. If unsure, say Y. 179 180config IPV6_TUNNEL 181 tristate "IPv6: IPv6-in-IPv6 tunnel" 182 select INET6_TUNNEL 183 depends on IPV6 184 ---help--- 185 Support for IPv6-in-IPv6 tunnels described in RFC 2473. 186 187 If unsure, say N. 188 189config IPV6_MULTIPLE_TABLES 190 bool "IPv6: Multiple Routing Tables" 191 depends on IPV6 && EXPERIMENTAL 192 select FIB_RULES 193 ---help--- 194 Support multiple routing tables. 195 196config IPV6_SUBTREES 197 bool "IPv6: source address based routing" 198 depends on IPV6_MULTIPLE_TABLES 199 ---help--- 200 Enable routing by source address or prefix. 201 202 The destination address is still the primary routing key, so mixing 203 normal and source prefix specific routes in the same routing table 204 may sometimes lead to unintended routing behavior. This can be 205 avoided by defining different routing tables for the normal and 206 source prefix specific routes. 207 208 If unsure, say N. 209config IPV6_MROUTE 210 bool "IPv6: multicast routing (EXPERIMENTAL)" 211 depends on IPV6 && EXPERIMENTAL 212 ---help--- 213 Experimental support for IPv6 multicast forwarding. 214 If unsure, say N. 215 216config IPV6_PIMSM_V2 217 bool "IPv6: PIM-SM version 2 support (EXPERIMENTAL)" 218 depends on IPV6_MROUTE 219 ---help--- 220 Support for IPv6 PIM multicast routing protocol PIM-SMv2. 221 If unsure, say N. 222 223