Sounds like you simply want:

# io-pkt -d driver1 -d driver2

If you want multiple stacks you'll have do add the 'prefix' option
to target them individually with utilities.

# io-pkt -d driver1
# ifconfig

# io-pkt -d driver2 -ptcpip prefix=/alt
# SOCK=/alt ifconfig

This is all be documented in the io-pkt docs.

On Tue, Jan 29, 2013 at 03:53:48PM -0500, Oleg V wrote:
> Greetings QNX community
> 
> Our QNX 6.5.0 SP1 project requires two Ethernet connections, both using USB Ethernet style adapters. Although the 
adapters are of the same nature, they are different mfg/part numbers and hence use different QNX drivers.
> 
> Both devices are successfully enumerated by the HC (as listed by usb tool)  and I can get each connection to work 
separately using io-pkt-v4-hc/ifconfig harness:
> 
> io-pkt-v4-hc -vvvv -d<driver> -ptcpip
> ifconfig en0 <ip> netmask <mask>
> 
> The problem starts when I'm trying to get both interfaces up at the same time:
> 
> io-pkt-v4-hc -vvvv -d<driver1> -ptcpip   <-- Success, /dev/io-net/en0  appears
> io-pkt-v4-hc -vvvv -d<driver2> -ptcpip   <-- Success, but en1 doesn't appear anywhere as i was expecting. No errors 
reported though. 
> 
> Then I read carefully again through io-pkt-v4-hc documentation and found something called "instance" in there. So I 
tried specifying different instance numbers for each adapter:
> 
> io-pkt-v4-hc -i 1 -vvvv -d<driver1> -ptcpip   <-- Success, /dev/io-net1/en0  appears
> io-pkt-v4-hc -i 2 -vvvv -d<driver2> -ptcpip   <-- Success, /dev/io-net2/en0  appears
> 
> At this point I'm very confused, this is clearly is not what I want to achieve. This seems to be creating separate 
stacks and further I don't quite see how to use ifconfig in this setup as both interfaces are registered as "en0". 
> 
> I also tried to play with "enmap" parameter but this one seems to be ignored completely.  
> 
> All I want is just to get my two network interfaces under /dev/io-net/ as
> 
> /dev/io-net/en0
> /dev/io-net/en1
> 
> So that I can configure them as usual with
> 
> ifconfig en0 <ip1> netmask <mask1>
> ifconfig en1 <ip2> netmask <mask2>
>      
> 
> Any suggestions?
> 
> Thanks.
> 
> 
> 
> 
> _______________________________________________
> 
> General
> http://community.qnx.com/sf/go/post98877
> To cancel your subscription to this discussion, please e-mail general-networking-unsubscribe@community.qnx.com