John Cagle wrote: > > I am debugging a custom board design based on the 405GP and have a problem > receiving lots of TCP/IP traffic (like FTP). We're using a 2.4 kernel based > on Monta Vista's CDK 1.2. UDP traffic (like TFTP) works very well, but it > doesn't ever have back-to-back receives, typically. The problem occurs > at both 10mbit and 100Mbit. > > I have narrowed the problem down (using ttcp) to the following: > > During back-to-back receives (within microseconds) of two large (1500 bytes) > TCP packets, the second packet is usually dropped by the 405GP. When I > check ifconfig statistics, it shows the 1 lost packet, but also shows 2 > framing errors. > > Has anyone else seen this type of problem with the 405GP or does anyone > know what the problem might be? > > Thanks, > John
John, the ethernet driver in hhl 1.2 had only one tx & rx buffer and we where not flushing the cache properly. I have included the latest driver & header file. regards, armin -------------- next part -------------- A non-text attachment was scrubbed... Name: 405_enet_latest.tar.gz Type: application/octet-stream Size: 13069 bytes Desc: not available Url : http://ozlabs.org/pipermail/linuxppc-embedded/attachments/20010629/e3be5df5/attachment.obj
