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Date: Tue, 6 Dec 2011 09:22:47 +0100 From: Francois Romieu <romieu@...zoreil.com> To: Chris Adams <cmadams@...aay.net>, netdev@...r.kernel.org, hayeswang <hayeswang@...ltek.com> Subject: Re: r8169 performance? Chris Adams <cmadams@...aay.net> : > Once upon a time, Francois Romieu <romieu@...zoreil.com> 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 http://marc.info/?l=linux-netdev&m=132306718323579 is applied. You may apply http://marc.info/?l=linux-netdev&m=132306715823570 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. -- Ueimor -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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