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Forum Topic - Discarding oversized frames: (4 Items)

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Guillaume Varlet

11/17/2009 4:56 AM

post42067

men1: discarding oversize frame (len=1518)

I'm getting the following message, that seem to incomes for io-pkt stack.
I didn't  found in drivers examples, what shall I do to to handle packets with a size over than MTU.

Can you please help ?

thanks.
Guillaume.

Andrew Boyd(deleted)

11/17/2009 9:30 AM

post42083

RE: Discarding oversized frames

> discarding oversize frame (len=1518)

The stack has received a packet that is
bigger than the driver's advertised MRU.

Two shots in the dark:

1) are you stripping off the CRC before
you pass the packet up?

2) are you rxing packets with vlan tags?

--
aboyd

Guillaume Varlet

11/18/2009 5:28 AM

post42136

RE: Discarding oversized frames

Thanks.

I just forgot to take care of CRC size while receiving.

Guillaume Varlet


-----Message d'origine-----
De : Andrew Boyd [mailto:community-noreply@qnx.com] 
Envoyé : mardi 17 novembre 2009 15:31
À : drivers-networking
Objet : RE: Discarding oversized frames


> discarding oversize frame (len=1518)

The stack has received a packet that is
bigger than the driver's advertised MRU.

Two shots in the dark:

1) are you stripping off the CRC before
you pass the packet up?

2) are you rxing packets with vlan tags?

--
aboyd




_______________________________________________

Networking Drivers
http://community.qnx.com/sf/go/post42083

Sean Boudreau(deleted)

11/18/2009 9:07 AM

post42148

Re: Discarding oversized frames

On Wed, Nov 18, 2009 at 05:28:18AM -0500, Guillaume Varlet wrote:
> Thanks.
> 
> I just forgot to take care of CRC size while receiving.
> 
> Guillaume Varlet

Strip it off or or in the M_HASFCS flag in m->m_flags.

-seanb

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