is RTL8139 THAT bad?

[Wojciech Puchar]

> Wojciech Puchar <wojtek at wojtek.tensor.gdynia.pl> writes:
>> Why it's THAT bad?
>
> http://svn.freebsd.org/base/head/sys/pci/if_rl.c
>
> Scroll down past the copyright, license and attribution.  Read the
> 38-line comment that explains just how crappy this chip really is.

Well - really "low end".

But - this computer can do memcpy at 80MB/s, so at 3.5MB/s it should be 5% 
CPU for memcpy, and one interrupt per one packet (2500 packets/s).

Is something more that make it consume >50% CPU?