From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Lunz Subject: Re: [Patch 3/3 2.4] e1000: Update Documentation/networking/e1000.txt Date: Fri, 15 Oct 2004 19:03:23 +0000 (UTC) Sender: netdev-bounce@oss.sgi.com Message-ID: References: Return-path: To: netdev@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org ganesh.venkatesan@intel.com said: > + This sets the InterruptThrottleRate to 3000 interrupts/sec for the > + first, second, and third instances of the driver. The range of 2000 to > + 3000 interrupts per second works on a majority of systems and is a > + good starting point, but the optimal value will be platform-specific. > + If CPU utilization is not a concern, use RX_POLLING (NAPI) and default > + driver settings. I don't understand this bit. Isn't the point of NAPI to disable rx interrupts entirely, and only gather as many frames from the driver as CPU time permits? That's supposed to limit network-rx CPU usage, not increase it as the above paragraph implies. Jason