Hi Eugene: Does the TCP/IP Acceleration Hardware of 440GX have been supported in official 2.6 kernel? How about the CPU utilization when you get 900+Mb/s? Since we want to do something such as simple datas codec at the same time.
Regards, Lonsn > >On Wed, Feb 15, 2006 at 02:08:52PM +0800, ????????? wrote: >> We want to get a data rate of 600Mbits/s over gigabit ethernet of ppc440gx. >> How about the status of support to ppc440gx GigE in Linux kernel? >> Which kernel version should we select? 2.6 or 2.4? > >GigE support for 440GX is in official 2.6. Patch for 2.4 is available >at http://kernel.ebshome.net. If you don't feel comfortable dealing >with kernel patches, I'd recommend 2.6 > >Effective Ethernet throughput highly depends on packet size. For some >small packet sizes 600Mb/s is theoretically impossible over GigE. > >I achieved 900+ Mb/s TCP throughput with my driver (packets around 4K >long) and using sendfile(2) based test application. > >-- >Eugene > >
