[#5264] ping packet size test will fail for gadget ethernet test with DMA mode
Submitted By: Vivi Li
Open Date
2009-06-17 01:44:41 Close Date
2009-07-06 03:28:40
Priority:
Medium High Assignee:
Cliff Cai
Status:
Closed Fixed In Release:
N/A
Found In Release:
N/A Release:
Category:
Tests Board:
N/A
Processor:
ALL Silicon Revision:
Is this bug repeatable?:
Yes Resolution:
Fixed
Uboot version or rev.:
Toolchain version or rev.:
gcc4.1_09r1-rc7
App binary format:
N/A
Summary: ping packet size test will fail for gadget ethernet test with DMA mode
Details:
For gadget ethernet test with DMA mode, on both bf527 and bf548, change ping packetsize and ping between host and target, it always fails. Bellow are the logs.
ping from host to target:
--
uclinux62-548-usbdev:~ # ping -c 1 -s 1024 192.168.1.66
PING 192.168.1.66 (192.168.1.66) 1024(1052) bytes of data.
--- 192.168.1.66 ping statistics ---
1 packets transmitted, 0 received, 100% packet loss, time 0ms
uclinux62-548-usbdev:~ #
--
ping from target to host:
--
root:/> ping -c 1 -s 1024 192.168.1.56
PING 192.168.1.56 (192.168.1.56): 1024 data bytes
--- 192.168.1.56 ping statistics ---
1 packets transmitted, 0 packets received, 100% packet loss
root:/>
--
Follow-ups
--- Cliff Cai 2009-07-03 03:30:33
there are three problems in the musb code that cause usb not to work in DMA
mode.
1.the interrupt pending bits should be cleared at the beginning of DMA ISR.
2.the DMA address for TX DMA is wrong.
3.the TX request should be completed,only all the data has been transfered.
Cliff
--- Vivi Li 2009-07-06 03:28:40
OK now. Close it. Thanks!
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