[microblaze-uclinux] very low file transfer rate

[anand_12 <anand_12@xxxxxxxxxxxx>]

hi all

 when i do an ftp from my microblaze-uclinux board to any other host on the local LAN( 100M bps ethernet) and transfer files,the best file transfer rate i get is 92 kbytes/sec
...the data is something like this..

P4 = pentium 4 1.8 Ghz

1.ftp from MBuClinux board to a remote host P4

 file size = 5 kbytes , file transfer rate = 23 kbytes/sec
 file size = 600 kbytes , file tranfer rate = 92 kbytes/sec
 file size = 1.5 MB , file transfer rate = 92 kbytes/sec

2.ftp from one host P4 to another host P4(for same files)

  file transfer rate is > 11 Mbytes/sec in all 3 cases..

I have a few doubts regarding this : 

1.Why is MicroBlaze not able to exploit the full 100 Mbps
  bandwidth?

2.I used get/mget in my ftp session to receive files.
  I get "munmap on non-mmaped "..error whenever i use the 
  ftp "recv" command instead of get/mget..is this 
  implemented differently?

 I am also writing a PS-2 keyboard device driver to interface one with our spartan 2E board...I want to know whether the keyboard needs a /dev entry or is it enough
if i just register an IRQ line for keyboard interrupts?

 I mean..do i need to register first a keyboard device or can I directly have an irq_handler to handle the interrupts?

 Please let me know if I went off topic wrt my last question ,for these lists...I will redirect my query to the appropriate mailing list on the net..I was not sure whether uClinux driver topics could be raised here...I am doing so just to clear my doubt..


Thanks and Regards

V.Anand
(www.tenet.res.in)




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