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Message
From: "Igor Mohor (uni-mb)" <igor.mohor@u...>
Date: Thu, 5 Apr 2001 14:32:47 +0200
Subject: RE: [ethmac] Hai...
> -----Original Message-----
> From: suresh.dorepally@s... [mailto:suresh.dorepally@s...]
> Sent: 5. april 2001 14:06
> To: ethmac@o...
> Cc: igor.mohor@u...
> Subject: RE: [ethmac] Hai...
>
>
> Thank u for your reply...
> How the maximum transfer time can be 2 * 1518 bytes . The maximum
> ethernet frame is anyway 1518 bytes .So the time taken to transmit this
> frame is 2 * 1518 transmit clocks...Is it right or not...
Yes. What you said is correct.
> Is this true that the incorporation of defer counter is just to abort
> transmission of a packet which doesn't got a chance to transmit due to
> occupation of the media...
> and is it justified to abort a packet transmission for the reason of
> unavailability of the media...
Yes. There is a bit to select whether to abort the packet that didn't
get the chance to be transmitted or to wait forever for the carrier.
Read the eth. spec. at: http://www.opencores.org/cores/ethmac/Eth_spec.pdf
> What happens if it happens to every packet in an a worst case ....
> Thanks in advance.
It means something is wrong with the ethernet traffic. This is not a
normal situation.
Regards,
Igor
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