Re: [PATCHv2 3/3] ieee802154: Add MCR20A IEEE 802.15.4 device driver

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Hello,

On 20 February 2018 at 04:37, Alexander Aring <alex.aring@xxxxxxxxx> wrote:
> Hi,
>
> 2018-02-19 12:29 GMT-05:00 Michael Richardson <mcr@xxxxxxxxxxxx>:
>> Xue Liu <liuxuenetmail@xxxxxxxxx> wrote:
>>     > This driver implements a subset of ieee802154_ops. It has no support
>>     > for CSMA due to lack of hardware support. It has currently no support
>>     > for its proprietary feature: Dual PAN.
>>
>> I think you mean, that the driver has no support for the MCR20A Dual
>> Pan feature, because the 802.15.4 layer has no way to deal with it.
>>
>> A suggestion is to create two virtual devices!
>>
>
> If they can run on two different frequencies:
>
> Create two wpan-phy's - yes. (Which is a _device_ class)
>
Yes. It can working at two different frequencies. I think it is the
right way to go.
> If they run on two different PANs:
>
> Create two wpan interfaces on top of one wpan phy.
>
> ----
>
> But so far I remember it is some crazy "I can transmit on different
> pans with internal channel hopping by doing hardware offload" (It's
> still _one_ radio, in sense one transmit/receive medium) then do:
>
> nothing of that above - this need to be handled by some internal
> subsystem handling, if a use case exists.
>
> - Alex
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