1# 2# IPv6 configuration 3# 4 5# IPv6 as module will cause a CRASH if you try to unload it 6menuconfig 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 22if IPV6 23 24config IPV6_PRIVACY 25 bool "IPv6: Privacy Extensions (RFC 3041) support" 26 ---help--- 27 Privacy Extensions for Stateless Address Autoconfiguration in IPv6 28 support. With this option, additional periodically-altered 29 pseudo-random global-scope unicast address(es) will be assigned to 30 your interface(s). 31 32 We use our standard pseudo-random algorithm to generate the 33 randomized interface identifier, instead of one described in RFC 3041. 34 35 By default the kernel does not generate temporary addresses. 36 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 42config IPV6_ROUTER_PREF 43 bool "IPv6: Router Preference (RFC 4191) support" 44 ---help--- 45 Router Preference is an optional extension to the Router 46 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. 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 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 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" 84 select XFRM 85 select CRYPTO 86 select CRYPTO_AUTHENC 87 select CRYPTO_HMAC 88 select CRYPTO_MD5 89 select CRYPTO_CBC 90 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" 99 select INET6_XFRM_TUNNEL 100 select XFRM_IPCOMP 101 ---help--- 102 Support for IP Payload Compression Protocol (IPComp) (RFC3173), 103 typically needed for IPsec. 104 105 If unsure, say Y. 106 107config IPV6_MIP6 108 tristate "IPv6: Mobility (EXPERIMENTAL)" 109 depends on EXPERIMENTAL 110 select XFRM 111 ---help--- 112 Support for IPv6 Mobility described in RFC 3775. 113 114 If unsure, say N. 115 116config INET6_XFRM_TUNNEL 117 tristate 118 select INET6_TUNNEL 119 default n 120 121config INET6_TUNNEL 122 tristate 123 default n 124 125config INET6_XFRM_MODE_TRANSPORT 126 tristate "IPv6: IPsec transport mode" 127 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" 136 default IPV6 137 select XFRM 138 ---help--- 139 Support for IPsec tunnel mode. 140 141 If unsure, say Y. 142 143config INET6_XFRM_MODE_BEET 144 tristate "IPv6: IPsec BEET mode" 145 default IPV6 146 select XFRM 147 ---help--- 148 Support for IPsec BEET mode. 149 150 If unsure, say Y. 151 152config INET6_XFRM_MODE_ROUTEOPTIMIZATION 153 tristate "IPv6: MIPv6 route optimization mode (EXPERIMENTAL)" 154 depends on EXPERIMENTAL 155 select XFRM 156 ---help--- 157 Support for MIPv6 route optimization mode. 158 159config IPV6_SIT 160 tristate "IPv6: IPv6-in-IPv4 tunnel (SIT driver)" 161 select INET_TUNNEL 162 select IPV6_NDISC_NODETYPE 163 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 168 into IPv4 packets. This is useful if you want to connect two IPv6 169 networks over an IPv4-only path. 170 171 Saying M here will produce a module called sit. If unsure, say Y. 172 173config IPV6_NDISC_NODETYPE 174 bool 175 176config IPV6_TUNNEL 177 tristate "IPv6: IP-in-IPv6 tunnel (RFC2473)" 178 select INET6_TUNNEL 179 ---help--- 180 Support for IPv6-in-IPv6 and IPv4-in-IPv6 tunnels described in 181 RFC 2473. 182 183 If unsure, say N. 184 185config IPV6_MULTIPLE_TABLES 186 bool "IPv6: Multiple Routing Tables" 187 depends on EXPERIMENTAL 188 select FIB_RULES 189 ---help--- 190 Support multiple routing tables. 191 192config IPV6_SUBTREES 193 bool "IPv6: source address based routing" 194 depends on IPV6_MULTIPLE_TABLES 195 ---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 206config 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 213config 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 220endif # IPV6 221