On Wed, Apr 12, 2017 at 7:53 PM, Matthias Schiffer
<mschif...@universe-factory.net> wrote:
> Not all topology or connectivity changes may be detected by netifd,
> depending on the underlying technology (e.g. VPN software); this adds a way
> to explicitly trigger a renew.
>
> Signed-off-by: Matthias Schiffer <mschif...@universe-factory.net>
Acked-by: Hans Dedecker <dedec...@gmail.com>
> ---
> interface.c | 9 +++++++++
> interface.h | 1 +
> ubus.c | 14 ++++++++++++++
> 3 files changed, 24 insertions(+)
>
> diff --git a/interface.c b/interface.c
> index f150f7d..593b049 100644
> --- a/interface.c
> +++ b/interface.c
> @@ -1076,6 +1076,15 @@ interface_set_down(struct interface *iface)
> return 0;
> }
>
> +int
> +interface_renew(struct interface *iface)
> +{
> + if (iface->state == IFS_TEARDOWN || iface->state == IFS_DOWN)
> + return -1;
> +
> + return interface_proto_event(iface->proto, PROTO_CMD_RENEW, false);
> +}
> +
> void
> interface_start_pending(void)
> {
> diff --git a/interface.h b/interface.h
> index 1472324..d35fd98 100644
> --- a/interface.h
> +++ b/interface.h
> @@ -184,6 +184,7 @@ void interface_set_available(struct interface *iface,
> bool new_state);
> int interface_set_up(struct interface *iface);
> int interface_set_down(struct interface *iface);
> void __interface_set_down(struct interface *iface, bool force);
> +int interface_renew(struct interface *iface);
>
> void interface_set_main_dev(struct interface *iface, struct device *dev);
> void interface_set_l3_dev(struct interface *iface, struct device *dev);
> diff --git a/ubus.c b/ubus.c
> index 945eca1..6f7c3e1 100644
> --- a/ubus.c
> +++ b/ubus.c
> @@ -378,6 +378,19 @@ netifd_handle_down(struct ubus_context *ctx, struct
> ubus_object *obj,
> return 0;
> }
>
> +static int
> +netifd_handle_renew(struct ubus_context *ctx, struct ubus_object *obj,
> + struct ubus_request_data *req, const char *method,
> + struct blob_attr *msg)
> +{
> + struct interface *iface;
> +
> + iface = container_of(obj, struct interface, ubus);
> + interface_renew(iface);
> +
> + return 0;
> +}
> +
> static void
> netifd_add_interface_errors(struct blob_buf *b, struct interface *iface)
> {
> @@ -914,6 +927,7 @@ netifd_handle_set_data(struct ubus_context *ctx, struct
> ubus_object *obj,
> static struct ubus_method iface_object_methods[] = {
> { .name = "up", .handler = netifd_handle_up },
> { .name = "down", .handler = netifd_handle_down },
> + { .name = "renew", .handler = netifd_handle_renew },
> { .name = "status", .handler = netifd_handle_status },
> { .name = "prepare", .handler = netifd_handle_iface_prepare },
> { .name = "dump", .handler = netifd_handle_dump },
> --
> 2.12.2
>
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