RE: Ethernet Jumbo Frames

2008-04-02 Thread Darcy Watkins
Thanks for the comments... I have hacked the IBM EMAC driver (Xenomai-2.3.0 Real Time Linux 2.6.19.2) and got jumbo frames to pass back and forth between two such embedded boards. Checked it using ping, iperf and httpd / wget file transfer with md5sum check. Still have to clean things up a bit a

RE: Ethernet Jumbo Frames

2008-04-02 Thread Rick Moleres
Sure, it can be done. The Xilinx 10/100 Ethernet drivers have jumbo frame support in MontaVista/WindRiver Linux. As long as both ends are talking jumbo frames, works just fine. -Rick -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Darcy Watkins Sent: M

Re: Ethernet Jumbo Frames

2008-04-01 Thread Norbert van Bolhuis
We've done it for our 2.4 based kernel that runs on a Freescale MPC8270. 10/100/1000 doesn't really make any difference. For us the trick was to support receving jumbo frames in multiple RX BufDescriptors (because our MPC8270 FCC eth driver pre-allocates 2k buffers per RX BD). For transmitting ha