Hi there,

Thank you for awesome work.

I have a Linux workstation with 48 cores and runs ixgbe driver for
fiber interface. And I have to test a project name
Netmap(http://info.iet.unipi.it/~luigi/netmap/ ) on it.

NetMap is a high performance network framework for high speed
interfaces, which has been ported to Linux recently. For some reasons,
I must try it on the machine.

So I compile it and follow the instructions to run the test problems,
but it doesn't work.

I check dmesg and it says:

[10399.085736] 794.159015 netmap_set_ringid [486] ringid o4o1 set to
all 48 HW RINGS
[10399.085742] 794.282011 netmap_obj_malloc [220] netmap_if request
size 816 too large

I asked Luigi Rizzo for help, whom is the author of netmap, told me
that I have too many cores in the machine and it should work if I tell
ixgbe use less cores (2 to 4 is ok).

I am not familiar to driver development and I don't know how to limit
the ring numbers by passing arguments to ixgbe driver. So I check the
spec from intel's website but found nothing about it. So I come here
for more helps.

Thank you.


--
Kind Regards.

Yours,
Shellex.

http://shellex.info

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