Netmap in emulation mode is not supported. You will have to use one of the
Netmap supported network adapters.
That said, I added the following enhancement request. I suggest you add
yourself as a follower of this issue. I'll have a look at what the effort its,
and whether or not it makes sense to use it. With some recent performance
enhancements available in Tcpreplay 4.1.1, you may find it runs faster than
emulated Netmap.
https://github.com/appneta/tcpreplay/issues/245
<https://github.com/appneta/tcpreplay/issues/245>
Fred.
> On May 5, 2016, at 3:15 PM, Pavel Biryulin <pavel.biryu...@mexia.ca> wrote:
>
> could someone advise how to use tcpleplay compiled with netmap and where
> netmap works in emulation mode - it means with nonsupported drivers ?
>
> I set netmap in emulation mode:
> echo 2 > /sys/module/netmap/parameters/admode
>
> tcpreplay is trying to bypass data to the interface but aborts with messages:
> error: sk_under_panics
> warning: ioctl error -1 35142:31 failed!
> Fatal Error: failed to open device "intfname": nm_do_ioctl: Operation not
> supported
>
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