> Hi to all,
> 
> I've tested Linux kernel 2.6.29-rc4-davinci1
> (http://git.kernel.org/?p=linux/kernel/git/khilman/linux-
> davinci.git;a=commit;h=582ad6bcceb7c8f0c828e71e810fd40fed7af6c3)
> for Ethernet performance.
> Kernel was compiled was done by CodeSourcery 2008q3 (gcc 4.3.2) using
> davinci_evm_dm644x_defconfig.
> 
> After booting, iperf v2.0.4 was run on the target (DVEVM board) and on
> the host PC (Ubuntu 8.04) for ten seconds (using default settings):
>     target -> target (over localhost):  190Mbit/s
>     host (connecting to) -> target: 31Mbit/s
>     target (connecting to) -> host: 71Mbit/s
> 
> Do the values above make sense? Can anyone confirm them?

The PHY layer should not cause any decrease in the performance as it 
is used only to access the PHY using the MII. Please provide some more 
details like the connection setup used- whether it was on a network 
or back to back. The network dynamics will alter the performance. 

Regards,
Chaithrika

> 
> Thanks in advance.
> 
> P.S.
> When running the same test on 2.6.28-rc6 (from
> http://git.kernel.org/?p=linux/kernel/git/khilman/linux-davinci.git),
> before PHY was refactored out from davinci_emac, the results were
> better:
>     host (connecting to) -> target: 73Mbit/s
>     target (connecting to) -> host: 57Mbit/s
> 
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