Re: Linux kernel updates and ip_crossover patch

[Mehulkumar J Patel <mehul.patel@xxxxxxxxxx>]

Hello All,

Any update on this.

Basically we need IP CROSSOVER patch to be part of pseries kernel.

best regards,
Mehul.

Olaf Hering <olh@xxxxxxx> 29/09/2003 16:40

To:        Kaena Freitas <kaena@xxxxxxxxxx>, Mehulkumar J Patel/India/IBM@IBMIN         cc:        Mehulkumar J Patel/India/IBM@IBMIN, Matthias Fruehauf <mfrueh@xxxxxxx>, olaf@xxxxxxx, Anil K Prasad/India/IBM@IBMIN, Daljeet Maini/India/IBM@IBMIN         Subject:        Re: Linux kernel updates and ip_crossover patch

 On Wed, Sep 24, Kaena Freitas wrote:

> 
> 
> 
> 
> Hello Mehul -
> 
> Sorry it has taken me a while to respond. We do not keep any code in CMVC.
> All code we get from SuSE is on the ftp3 site along with all the source
> RPMs. We do have internel CVS trees, but there is no guarantee that those
> trees are current with the code we get from SuSE which is what your team
> should be testing.
> 
> As for the htx patch you've provided, I have copied SuSE on this email to
> get their comments if it can be part of their distribution.

Good morning,

did you sent the patch to netdev@xxxxxxxxxxx?
What opinion have the network and iptables maintainers about this feature?


> (See attached file: hxecom_patch)forgot to attach the patch.
> 
> 
> e-mail: mehul.patel@xxxxxxxxxx
> IBM Global Services
> Bangalore, India.
> Tel: 091-80-5094160
> 
> 
> 
>                                                                                                                    
>                       Mehulkumar J                                                                                 
>                       Patel                    To:       Kaena Freitas/Austin/IBM                                  
>                                                cc:       Anil K Prasad/India/IBM@IBMIN, Daljeet                    
>                       23/09/2003 18:38          Maini/India/IBM@IBMIN                                              
>                       Please respond to        From:     Mehulkumar J Patel/India/IBM@IBMIN                        
>                                                Subject:  Linux kernel updates and ip_crossover patch               
>                                                                                                                    
>                                                                                                                    
>                                                                                                                    
> 
> 
> 
> Hi,
> 
> We are HTX Team.
> We get affected by changes in Linux kernel in a way where we have to update
> our build environment
> continuously. As of now we are doing so manually. But considering the
> effort we are thinking of making
> it automated.
> 
> Can you please tell us if there is a fixed place from where we can sync
> Linux kernel sources through
> scripts. Or do you put Linux kernel sources in cmvc or any other version
> control system.
> 
> Also, we have an exerciser named "hxecom" which requires an external patch,
> ip_crossover for hxecom
>  to work in single system test.
> This patch helps us in sending packets destined to IP address on the same
> machine without looping
> back at IP layer. Packet actually goes out to hardware and thus we are able
> to stress network cards.
> For this patch to work, kernel should have been compiled with netfilter.
> If netfilter is not enabled and ip_crossover patch is not applied, we end
> up recompiling the whole
> stuff and need to copy kernel and /lib/modules on all the test machines,
> which is bit ugly.
> Can you please include these two request from us in all p-series kernels ?
> 
> I am attaching the patch here.
> 
> best regards,
> Mehul.
> e-mail: mehul.patel@xxxxxxxxxx
> IBM Global Services
> Bangalore, India.
> Tel: 091-80-5094160
> 
> 
> 



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