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authorHans Dedecker <dedeckeh@gmail.com>2016-04-28 13:40:17 +0200
committerJo-Philipp Wich <jo@mein.io>2016-04-28 13:44:47 +0200
commita83f049b5be3396deaecaafa3b7adb447a1d1336 (patch)
tree3375a0191361bd88d42679ed1a9075b40ccb84b1 /package/network/config/netifd/files
parentcf3b3cfc565be99677b7f2b6d617518f2dd87f23 (diff)
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netifd: Add configurable DHCP release behavior
Make sending a DHCP release configurable when the client exits allowing to clean up IP/mac state info in intermediate devices. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
Diffstat (limited to 'package/network/config/netifd/files')
-rwxr-xr-xpackage/network/config/netifd/files/lib/netifd/proto/dhcp.sh8
1 files changed, 5 insertions, 3 deletions
diff --git a/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh b/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
index 546e1d661a..7f4af25329 100755
--- a/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
+++ b/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
@@ -12,6 +12,7 @@ proto_dhcp_init_config() {
proto_config_add_string clientid
proto_config_add_string vendorid
proto_config_add_boolean 'broadcast:bool'
+ proto_config_add_boolean 'release:bool'
proto_config_add_string 'reqopts:list(string)'
proto_config_add_string iface6rd
proto_config_add_string sendopts
@@ -26,8 +27,8 @@ proto_dhcp_setup() {
local config="$1"
local iface="$2"
- local ipaddr hostname clientid vendorid broadcast reqopts iface6rd sendopts delegate zone6rd zone mtu6rd customroutes
- json_get_vars ipaddr hostname clientid vendorid broadcast reqopts iface6rd sendopts delegate zone6rd zone mtu6rd customroutes
+ local ipaddr hostname clientid vendorid broadcast release reqopts iface6rd sendopts delegate zone6rd zone mtu6rd customroutes
+ json_get_vars ipaddr hostname clientid vendorid broadcast release reqopts iface6rd sendopts delegate zone6rd zone mtu6rd customroutes
local opt dhcpopts
for opt in $reqopts; do
@@ -39,6 +40,7 @@ proto_dhcp_setup() {
done
[ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
+ [ "$release" = 1 ] && release="-R" || release=
[ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" || clientid="-C"
[ -n "$iface6rd" ] && proto_export "IFACE6RD=$iface6rd"
[ "$iface6rd" != 0 -a -f /lib/netifd/proto/6rd.sh ] && append dhcpopts "-O 212"
@@ -56,7 +58,7 @@ proto_dhcp_setup() {
${ipaddr:+-r $ipaddr} \
${hostname:+-H $hostname} \
${vendorid:+-V $vendorid} \
- $clientid $broadcast $dhcpopts
+ $clientid $broadcast $release $dhcpopts
}
proto_dhcp_renew() {