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Re: PR/39203 CVS commit: src/sys/net
On Fri, Jul 25, 2008 at 03:15:03PM +0000, Christos Zoulas wrote:
> Modified Files:
> src/sys/net: if_ether.h
> Log Message:
> PR/39203: Paul Ripke: PPPoE issues with broken MTU/MRU implementations
> Allow larger frames for systems that don't negotiate MTU/MRU properly.
I don't object this change, but it does look kinda wrong.
I wondered if the whole ETHER_MAX_FRAME() check in ether_input is not a bogus
workaround for some old (maybe even long fixed) bugs in chipset drivers.
Shouldn't we leave the decision "I did receive this frame OK" to the driver
(modulo fcs if not checked in hardware)?
If we did receive the frame ok, why should we drop it?
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