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ds-lite: Add support for IPIP6(RFC2473) tunnel

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Add Generic Packet Tunneling in IPv6 Specification (RFC 2473) support.

Signed-off-by: Arayuki Mago <ms@missing233.com>
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
This commit is contained in:
Arayuki Mago 2024-02-13 19:08:50 +09:00 committed by Chuanhong Guo
parent 163c87dfc2
commit 21eeb45420
2 changed files with 54 additions and 21 deletions
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6
package/network/ipv6/ds-lite/Makefile
View File

@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=ds-lite
PKG_RELEASE:=8
PKG_RELEASE:=9
PKG_LICENSE:=GPL-2.0
include $(INCLUDE_DIR)/package.mk
@ -17,13 +17,13 @@ define Package/ds-lite
SECTION:=net
CATEGORY:=Network
DEPENDS:=@IPV6 +kmod-ip6-tunnel +resolveip
TITLE:=Dual-Stack Lite (DS-Lite) configuration support
TITLE:=IPv4 over IPv6 (RFC2473 and DS-Lite) configuration support
MAINTAINER:=Steven Barth <steven@midlink.org>
PKGARCH:=all
endef
define Package/ds-lite/description
Provides support for Dual-Stack Lite in /etc/config/network.
Provides support for IPv4 over IPv6 (RFC2473 and DS-Lite) in /etc/config/network.
Refer to http://wiki.openwrt.org/doc/uci/network for
configuration details.
endef

69
package/network/ipv6/ds-lite/files/dslite.sh
View File

@ -1,6 +1,9 @@
#!/bin/sh
# dslite.sh - IPv4-in-IPv6 tunnel backend
# dslite.sh - IPv4-in-IPv6 tunnel backend for ipip6 and ds-lite
# Copyright (c) 2013 OpenWrt.org
# Copyright (c) 2013 Steven Barth <steven@midlink.org>
# Copyright (c) 2021 Kenji Uno <ku@digitaldolphins.jp>
# Copyright (c) 2024 Arayuki Mago <ms@missing233.com>
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
@ -9,10 +12,13 @@
init_proto "$@"
}
proto_dslite_setup() {
tnl_setup() {
local cfg="$1"
local iface="$2"
local link="ds-$cfg"
local tnl_type="$3"
local ip4addr="$4"
local ip4gateway="$5"
local link="$tnl_type-$cfg"
local remoteip6
local mtu ttl peeraddr ip6addr tunlink zone weakif encaplimit
@ -59,7 +65,7 @@ proto_dslite_setup() {
proto_init_update "$link" 1
proto_add_ipv4_route "0.0.0.0" 0
proto_add_ipv4_address "192.0.0.2" "" "" "192.0.0.1"
proto_add_ipv4_address "$ip4addr" "" "" "$ip4gateway"
proto_add_tunnel
json_add_string mode ipip6
@ -76,23 +82,22 @@ proto_dslite_setup() {
proto_add_data
[ -n "$zone" ] && json_add_string zone "$zone"
json_add_array firewall
json_add_object ""
json_add_string type nat
json_add_string target ACCEPT
json_close_object
json_close_array
if [ "$tnl_type" = "ds" ]; then
json_add_array firewall
json_add_object ""
json_add_string type nat
json_add_string target ACCEPT
json_close_object
json_close_array
fi
proto_close_data
proto_send_update "$cfg"
}
proto_dslite_teardown() {
local cfg="$1"
}
proto_dslite_init_config() {
no_device=1
init_config() {
no_device=1
available=1
proto_config_add_string "ip6addr"
@ -105,6 +110,34 @@ proto_dslite_init_config() {
proto_config_add_string "weakif"
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol dslite
proto_ipip6_init_config() {
init_config
proto_config_add_string "ip4ifaddr"
}
proto_ipip6_setup() {
local ip4ifaddr
json_get_vars ip4ifaddr
tnl_setup "$1" "$2" "ipip6" "$ip4ifaddr" "0.0.0.0"
}
proto_ipip6_teardown() {
local cfg="$1"
}
proto_dslite_init_config() {
init_config
}
proto_dslite_setup() {
tnl_setup "$1" "$2" "ds" "192.0.0.2" "192.0.0.1"
}
proto_dslite_teardown() {
local cfg="$1"
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol ipip6
add_protocol dslite
}