[Click] How to send pkts larger than 1500bytes on ethernet

[Roman Chertov]

http://sd.wareonearth.com/~phil/net/jumbo/

Torquato Bertani wrote:
> Hi all,
> I'm trying to send frames larger then 1500 bytes on ethernet with
> click because I'm trying to implement an experimental
> "routing/switching" protocol on level 2. The problem is that the
> routing header+standard IP pkt is too large to fit a standard ethernet
> 10/100 frame of 1500. The idea is to avoid frame fragmentation (due to
> network overhead and implementations problem). I found that I can
> easely increase mtu of wifi frames for example but not ethernet...
> 
> Any idea on how to do that? I modified the net_init.c to allow the
> kernel to set larger MTU for ethernet interfaces. Apparently works in
> TX side because now I can generate pkts of 1600 and the led blink. But
> in RX side I think there is some problems...it doesn't work. I'm
> working with natsemi chip and I read and reread the natsemi.c driver
> source code but it's my first approach to a network driver...
> 
> Thanks
> Thor
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