Stan Gammons <s_gammons <at> charter.net> writes: > On 07/29/14 04:01, Stuart Henderson wrote: >> That's to do with the traffic that the system is handling, you >> wouldn't normally expect to see all that much fragmented traffic. If >> there are lots of fragments, are you using pppoe? If so then make sure >> you either use 'scrub max-mss' or set suitable MTU on all machines on >> the lan. (In some cases you can use a larger MTU with pppoe RFC4638, >> but the re(4) driver doesn't yet support jumbo frames on the APU's nic >> so this won't be available to you). > Are there other issues with the re(4) driver on the APU besides jumbo > frames? The LED on the Ethernet ports on the one I have don't seem to > be working right. At 100 meg the amber link LED is on, but at 1 gig the > LED is off. I would have thought the green LED would be on for a 1 gig > link. Other than that, I'm pretty pleased with how OpenBSD runs on it.
From the datasheet, "The RTL8111E supports customizable LED operation modes via IO register offset 18h~19h". I haven't spotted anything setting this in our driver so perhaps it's initialized to strange values by the BIOS. "Standard" behaviour is for the link led to blink when it has link at any speed, or "when this LED is high for extended periods, it indicates that a link problem exists". The datasheet is also annoyingly silent about the register config for jumbo frames. I tried to reply to this email several days ago only to learn the entire subnet my ISP assigned DCHP IP address is on several of the IP blacklist. Anyway. Did you have to sign a NDA to get the datasheet? I see on the RealTek website where they say it supports jumbo frames to 9K. Wonder if RealTek would answer some questions about the register config for jumbo frames? There is a new version of BIOS for the APU. It's dated Jul 08, 2014. It doesn't solve the LED issue though. I don't recall seeing a link LED blink. All I've seen is amber, yellow, green or not lit. I've seen the activity LED blink at a constant rate when the NIC port was attached to a switch port that's configured as a trunk port. The pcengines support forum also has a link to the coreboot source code for the APU. It looks like it requires the Sage EDK to compile though. Bummer. I'm not that great a C programmer, so I guess it doesn't matter. Stan
