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Date:	Tue, 6 Dec 2011 09:22:47 +0100
From:	Francois Romieu <>
To:	Chris Adams <>,,
	hayeswang <>
Subject: Re: r8169 performance?

Chris Adams <> :
> Once upon a time, Francois Romieu <> said:
> > Almost the same: RTL_GIGA_MAC_VER_25 versus RTL_GIGA_MAC_VER_26 (faster).
> Ahh, my eyes didn't see that one bit difference.
> > The only difference in the driver is the hw_phy_config part.
> There's also a difference in the interrupt handling (looks like only in
> the receive FIFO overflow case).

Ahh, I looked at the patched driver.

It will disappear once
is applied. You may apply
too but I doubt it will make much difference for you.

> Also, they load different firmware (so I guess my problem could be firmware
> related, which I guess only RealTek could find/fix).
> I guess my question is this: is there a chance this can be solved with
> driver changes, or should I just accept that the on-board NIC has poor
> performance and install an add-in NIC?

(I understand that the systems (CPU, bus...) are not necessary the same.)

Did you check if Tx checksumming is enabled ?

It could make a noticeable difference.

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