On 20 May 2014, at 23:52, Michał Margula <[email protected]> wrote:

> W dniu 14.05.2014 09:14, Luca Deri pisze:
>> Michael,
>> yes you can do that (during insmod you specify the list of MAC to
>> enable) but the best is you to move to PF_RING ZC where you can decide
>> that at runging by opening the device as "zc:ethX" (direct mode) or
>> "ethX" (via Linux stack)
>> 
>> Luca
>> 
> 
> Hello,
> 
> I need to ask for another clarification. If I have DNA drivers and use
> adapters_to_enable it enables DNA only for specified NIC. But what
> happens with other network cards? Do they work as PF_RING aware driver?
> 
> For example I have
> 
> /sbin/insmod /usr/local/modules/ixgbe.ko
> adapters_to_enable=90:e2:ba:37:13:02 allow_unsupported_sfp=1 MQ=0
> 
> And looking into proc:
> 
> root@isildur:~# cat /proc/net/pf_ring/dev/dna0/info
> Name:              dna0
> Index:             9
> Address:           90:E2:BA:37:13:02
> Polling Mode:      DNA
> Type:              Ethernet
> Family:            Intel ixgbe 82599
> Max # TX Queues:   1
> # Used RX Queues:  1
> 
> root@isildur:~# cat /proc/net/pf_ring/dev/ten0/info
> Name:              ten0
> Index:             10
> Address:           6C:B3:11:3B:21:A8
> Polling Mode:      NAPI/TNAPI
> Type:              Ethernet
> Family:            Intel 82599
> # Bound Sockets:   0
> Max # TX Queues:   16
> # Used RX Queues:  16
> 
> So NAPI/TNAPI means it works as classic Linux device (non-PF_RING-aware)?

NAPI/TNAPI means non-DNA (i.e. standard or pfring-aware)

> Another question - if we would switch to PF_RING ZC - will applications
> written for PF_RING (for example WANguard) work fine?

If they use the standard API, yes.

Alfredo

> 
> Thank you!
> 
> Thanks!
> 
> -- 
> Michał Margula, [email protected], http://alchemyx.uznam.net.pl/
> "W życiu piękne są tylko chwile" [Ryszard Riedel]
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