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ipv6-support: next iteration

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* Introduce mode 6rd
* Introduce mode 6to4
* Fix announcement of DNS-Servers received from DHCPv6
* Fix some corner-cases in relaying behaviour

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34542 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
cyrus 2012-12-06 20:52:40 +00:00
parent 6cde8ed783
commit 83ef4411d0
4 changed files with 35 additions and 12 deletions
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2
package/network/ipv6/ipv6-support/Makefile
View File

@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=ipv6-support
PKG_VERSION:=2012-12-03
PKG_VERSION:=2012-12-06
PKG_RELEASE:=1
include $(INCLUDE_DIR)/package.mk

3
package/network/ipv6/ipv6-support/files/dhcpv6.sh
View File

@ -39,8 +39,9 @@ config_get prefix_fallback "$network" prefix_fallback
local peerdns
config_get_bool peerdns "$network" peerdns 0
[ "peerdns" -eq "1" ] && {
[ "$peerdns" -eq "1" ] && {
proto_init_update "*" 1
proto_set_keep 1
for server in $RDNSS; do
proto_add_dns_server "$server"
done

6
package/network/ipv6/ipv6-support/files/network6.config
View File

@ -5,14 +5,8 @@ config interface wan
option prefix_fallback relay
option peerdns 1
config interface lan
option mode router
option advertise_prefix 64
option relay_master wan
config interface 6in4
option mode static
list static_prefix 2001:DB8::/48

36
package/network/ipv6/ipv6-support/files/support.sh
View File

@ -52,7 +52,6 @@ resolve_network_add() {
local __section="$1"
local __device="$2"
local __return="$3"
local __cdevice
network_get_device __cdevice "$__section"
[ "$__cdevice" != "$__device" ] && return
@ -154,6 +153,10 @@ add_relay_slave() {
# Disable any active distribution
[ "$__cmode" == "router" ] && disable_router "$__section"
# Configure interface to accept RA and send RS
conf_set "$__device" accept_ra 2
conf_set "$__device" forwarding 2
eval "$__return"'="$'"$__return"' '"$__device"'"'
}
@ -286,8 +289,8 @@ enable_static() {
ula_prefix="fd$r1:$r2:$r3::/48"
# Save prefix so it will be preserved across reboots
uci set network6.$network.ula_prefix=$ula_prefix
uci commit network6
uci_set network6 "$network" ula_prefix "$ula_prefix"
uci_commit network6
}
# Announce ULA
@ -313,10 +316,15 @@ enable_router() {
# Start RD & DHCPv6 service
local pid="/var/run/ipv6-router-$network.pid"
start_service "/usr/sbin/6relayd -Rserver -Dserver . $device" "$pid"
# Start server
start_service "/usr/sbin/6relayd -S . $device" "$pid"
# Try relaying if necessary
restart_master_relay "$network"
# start relay if there are forced relay members
restart_relay "$network"
}
@ -355,6 +363,25 @@ enable_dhcpv6() {
}
enable_6to4() {
local network="$1"
local device="$2"
local mode="$3"
local prefixlen="48"
[ "$mode" == "6rd" ] && {
local ip4prefix=$(uci_get network "$network" ip4prefixlen 0)
local ip6prefix=$(uci_get network "$network" ip6prefixlen 32)
prefixlen=$(($ip6prefix + 32 - $ip4prefix))
}
local prefix=""
network_get_ipaddr6 prefix "$network"
announce_prefix "$prefix/$prefixlen" "$network"
}
enable_interface()
{
local network="$1"
@ -370,5 +397,6 @@ enable_interface()
[ "$mode" == "dhcpv6" -o "$mode" == "static" ] && enable_static "$network" "$device"
[ "$mode" == "dhcpv6" ] && enable_dhcpv6 "$network" "$device"
[ "$mode" == "router" ] && enable_router "$network" "$device"
[ "$mode" == "6to4" -o "$mode" == "6rd" ] && enable_6to4 "$network" "$device" "$mode"
[ "$mode" == "relay" ] && restart_master_relay "$network" forced
}