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SubjectRe: [PATCH v5 6/6] net: lorawan: List LORAWAN in menuconfig
Hello Andreas,

On Mon, 17 Dec 2018 at 15:19, Andreas Färber <> wrote:
> Hello Xue Liu,
> Am 17.12.18 um 09:50 schrieb Xue Liu:
> > I have a question about the architecture of your module. AFAIK LoRaWAN
> > is already the MAC Layer above the LoRa technology. Why do you want to
> > make a new layer called "maclorawan" ?
> I had asked Jian-Hong to separate between his soft-MAC implementation
> and the common bits needed to drive hard-MAC implementations found on
> several of the hardware modules made available to me.
As a reference Linux 802.11 uses cfg80211 to talk with hard-MAC devices.
We may also use the name “cfglora” for hard-MAC implementation.

> The prefix "mac" was copied from mac80211 and mac802154:
OK. Understood. I guess they use mac80211 and mac802154 to distinguish
physical layer and MAC layer. Since LoRa and LoRaWAN are already
separate I think
"maclorawan" is not necessary.

> If you have better ideas for how to structure this, just let us know,
> ideally as inline comment where you see it (or on the cover letter).
> Only comment I have for this patch at the moment is that I would prefer
> to have the Kconfig bits be in the patches adding the code, so that we
> can actually build-test them before 6/6.
> Been updating my lab to 4.20-rcX with some hiccups. Ben's
> regmap_noinc_write support made it into 4.20, so I expect to have Ben's
> pending branch for sx1301 merged into rebased lora-next before Christmas
> and my sx1276 conversion to follow, leaving the PF_PACKET vs. PF_LORA
> discussion from ELCE - haven't assessed yet how much this series would
> be affected by the underlying changes, but if the abstraction was done
> right then only maclorawan implementation should be affected.
> Regards,
> Andreas
> --
> SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
> GF: Felix Imendörffer, Jane Smithard, Graham Norton
> HRB 21284 (AG Nürnberg)

Xue Liu


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