[Ntop-misc] compiling igb and ixgbe tnapi drivers in CentOS 5.4

[Mick Russom]

Outdated != doesnt work. 


 


----- Original Message ----
> From: Jaime Nebrera <jnebrera at eneotecnologia.com>
> To: ntop-misc at listgateway.unipi.it
> Sent: Wed, December 16, 2009 11:26:56 AM
> Subject: Re: [Ntop-misc] compiling igb and ixgbe tnapi drivers in CentOS 5.4
> 
>   Hi,
> 
> El mié, 16-12-2009 a las 19:36 +0100, Luca Deri escribió:
> > Dear all
> > I have analyzed the problem of Centos. It's running kernel 
> > 2.6.18 that lacks a field (added 3.5 years ago in the Linux kernel), 
> > in the socket buffer, used to propagate the channel (or RX queue) 
> > on which the packet has been received. 
> 
>   Yep, this is the problem in general with RH / CentOS, their kernel
> becomes quite outdated in some areas (like networking) as their
> philosophy is precisely to stay constant. 
> 
> > So you can compile and run 
> > TNAPI on Centos but your application will not be able to figure 
> > out on which queue the packet has been received. As soon as the 
> > Centos/RH people will update the kernel you will be able to fully 
> > exploit TNAPI. 
> 
>   They most provably wont do that as changes quite a bit their
> networking stuff and provably backwards compatibility. Sadly that is the
> main advantage and at the same time problem with them.
> 
> > If not, the workaround is you to compile a more 
> > recent kernel
> 
>   You shouldnt unless you want to loose support and proven compatibility
> with all their "ecosystem".
> 
>   Regards
> 
> -- 
> Jaime Nebrera - jnebrera at eneotecnologia.com
> Consultor TI - ENEO Tecnologia SL
> Pol. PISA - C/ Manufactura 6, P1, 3B
> Mairena del Aljarafe - 41927 - Sevilla
> Telf.- 955 60 11 60 / 619 04 55 18
> 
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