Hi, Any news on this patch? As requested, the v2 patch introduces a configuration knob to disable requesting option 121.
Thanks,
Baptiste
On Fri, Nov 20, 2015 at 11:50:56PM +0100, Baptiste Jonglez wrote:
> From: Baptiste Jonglez <g...@bitsofnetworks.org>
>
> This option is useful when the gateway configured by DHCP cannot be in
> the same subnet as the client. This happens, for instance, when using
> DHCP to hand out addresses in /32 subnets.
>
> A new configuration option "classlessroute" is available, allowing
> users to disable this feature (the option defaults to true).
>
> Signed-off-by: Baptiste Jonglez <g...@bitsofnetworks.org>
> ---
> package/network/config/netifd/files/lib/netifd/proto/dhcp.sh | 7 +++++--
> 1 file changed, 5 insertions(+), 2 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 0e88af9..aae0e44 100755
> --- a/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
> +++ b/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
> @@ -20,14 +20,15 @@ proto_dhcp_init_config() {
> proto_config_add_string zone
> proto_config_add_string mtu6rd
> proto_config_add_string customroutes
> + proto_config_add_boolean classlessroute
> }
>
> 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 reqopts iface6rd
> sendopts delegate zone6rd zone mtu6rd customroutes classlessroute
> + json_get_vars ipaddr hostname clientid vendorid broadcast reqopts
> iface6rd sendopts delegate zone6rd zone mtu6rd customroutes classlessroute
>
> local opt dhcpopts
> for opt in $reqopts; do
> @@ -47,6 +48,8 @@ proto_dhcp_setup() {
> [ -n "$mtu6rd" ] && proto_export "MTU6RD=$mtu6rd"
> [ -n "$customroutes" ] && proto_export "CUSTOMROUTES=$customroutes"
> [ "$delegate" = "0" ] && proto_export "IFACE6RD_DELEGATE=0"
> + # Request classless route option (see RFC 3442) by default
> + [ "$classlessroute" = "0" ] || append dhcpopts "-O 121"
>
> proto_export "INTERFACE=$config"
> proto_run_command "$config" udhcpc \
pgpsywZr5Z7W0.pgp
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