Hello

On Wed, Jan 29, 2014 at 3:53 PM, Varka Bhadram <var...@cdac.in> wrote:
> hai...
>
> please clarify the below doubts..
>
> 1. Is the mac layer (mac802154) is able to fragment the packets or not ?

No. MAC layer is simple - either pass the packet that fits the hw limits,
or drop it away. Fragmenting is next layer property.

> 2. What about FCS field in IEEE-802.15.4 header ?

Usually FCS is stripped by the hardware or by software right after receiving
a frame. There is little point passing it down the stack. If the
hardware handles
FCS, one can set the IEEE802154_HW_OMIT_CKSUM flag.




-- 
With best wishes
Dmitry

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