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authorcyrus <cyrus@3c298f89-4303-0410-b956-a3cf2f4a3e73>2014-01-23 10:59:04 +0000
committercyrus <cyrus@3c298f89-4303-0410-b956-a3cf2f4a3e73>2014-01-23 10:59:04 +0000
commit9e0cdd82296c55ec0e1c9bd5f42895a9d5b85297 (patch)
treecdf24d8d9ff8475cca6c9e59826059326f7e35b0 /package/network
parent0ef8ed4abd5ddef0f2f6600f5c6ea482a75e5cd8 (diff)
6rd: Make don't fragment bit (df) a configurable variable
Make the IPv4 "do not fragment" bit a configurable variable for the 6rd tunnel interface as the bit should not be set in the encapsulating IPv4 header according to RFC3056. On top the config variable allows to enable/disable path mtu discovery for tunnel interfaces. Config variable can be passed to netifd as tunnel config support is already present for the "do not fragment" bit. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39370 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/network')
-rw-r--r--package/network/ipv6/6rd/files/6rd.sh6
1 files changed, 4 insertions, 2 deletions
diff --git a/package/network/ipv6/6rd/files/6rd.sh b/package/network/ipv6/6rd/files/6rd.sh
index be6d536845..e80729c341 100644
--- a/package/network/ipv6/6rd/files/6rd.sh
+++ b/package/network/ipv6/6rd/files/6rd.sh
@@ -14,8 +14,8 @@ proto_6rd_setup() {
local iface="$2"
local link="6rd-$cfg"
- local mtu ttl ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen tunlink sourcerouting
- json_get_vars mtu ttl ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen tunlink sourcerouting
+ local mtu df ttl ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen tunlink sourcerouting
+ json_get_vars mtu df ttl ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen tunlink sourcerouting
[ -z "$ip6prefix" -o -z "$peeraddr" ] && {
proto_notify_error "$cfg" "MISSING_ADDRESS"
@@ -60,6 +60,7 @@ proto_6rd_setup() {
proto_add_tunnel
json_add_string mode sit
json_add_int mtu "${mtu:-1280}"
+ json_add_boolean df "${df:-1}"
json_add_int ttl "${ttl:-64}"
json_add_string local "$ipaddr"
json_add_string 6rd-prefix "$ip6prefix/$ip6prefixlen"
@@ -79,6 +80,7 @@ proto_6rd_init_config() {
available=1
proto_config_add_int "mtu"
+ proto_config_add_boolean "df"
proto_config_add_int "ttl"
proto_config_add_string "ipaddr"
proto_config_add_string "peeraddr"