[OpenWrt-Devel] [PATCH] [netifd] enable MULTICAST on GRE

Hans Dedecker dedeckeh at gmail.com
Mon Aug 17 15:43:01 EDT 2015

On Mon, Aug 17, 2015 at 4:40 PM, Nick Podolak <nicholas.e.podolak at gmail.com>

> On Sat, Aug 15, 2015 at 3:25 AM, Hans Dedecker <dedeckeh at gmail.com> wrote:
>> It would be better to make this a device setting like promiscuous
>>> mode,macaddr, etc ... so it can be configured via UCI for every device and
>>> thus not only restricted for GRE
>> Hans
> You make an excellent point and I agree, but I'm unsure of some of the
> details.
> Is promisc mode controllable from UCI?  I didn't think it was but I can't
> tell from looking at these parts of netifd.
Promiscuous mode is configurable from UCI; see device.c as all dev_attrs
entries can be set via UCI

> Help me understand the extent of this implementation.  Looks like each of
> these would need modification.  Did i miss anything?
> device.c
>   static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
>   device_merge_settings(struct device *dev, struct device_settings *n)
>   device_init_settings(struct device *dev, struct blob_attr **tb)
>   device_dump_status(struct blob_buf *b, struct device *dev)
> system-linux.c
>   system_if_get_settings(struct device *dev, struct device_settings *s)
>   system_if_apply_settings(struct device *dev, struct device_settings *s,
> unsigned int apply_mask)
> UCI is all passthrough, right? nothing there would have to change?
> Your analysis regarding UCI and the impacted functions is correct; the
promiscuous mode implementation can be used as guidance for the multicast
device support.


> -Nick
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