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[Xen-devel] Why are you removing netif_carrier_on?

I'm looking the difference between the ethernet driver (3c59x.c) for linux and
the one for Xen. It seems that there is only two differences. 

Firstly, Xen don't use the copybreak scheme. If I'm right, the copybreak scheme
implies the use of smaller buffer according to the incoming packet size. Why
can't you use this scheme with Xen? 

Secondly, you remove all netif_carrier_on() call. Why? 

I try to understand what is the problem and what work as to be done for using
native linux drivers in Xen.


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