Good day to all,
am trying to send an SCC-3 command to a target device. This command
also transfer data to the target device.
I'd like to ask how is exactly the placement of the data? am using ioctl in my
program,
result = ioctl(fd, 1, buffer);
where:
fd - is the file descriptor
data in buffer is:
byte 3-0 - size of data to be transferred to device + size of cdblen + 8
byte 7-4 - (defaults to 0. I assume that this is length of buffer
to receive data FROM the device)
byte 19-8 - cdb(12 bytes)
byte n - 20 - data to be transferred to the device.
my program works fine with qla2100 and the device connected point-to-point.
but it doesn't work with qla2200 and switches.
any idea on what is wrong?
i appreciate any help...
-Ana
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