Search under /proc/net/pf_ring folder
Yuri

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Il giorno 12/ott/2010, alle ore 00:48, Ed Nabeshin <[email protected]> ha 
scritto:

> Thank you for the replies
> 
> Yes I am using the e1000e-1.0.15 driver that comes with the pf_ring codes.
> 
> # ethtool -g eth6
> Ring parameters for eth6:
> Pre-set maximums:
> RX:             4096
> RX Mini:        0
> RX Jumbo:       0
> TX:             4096
> Current hardware settings:
> RX:             256
> RX Mini:        0
> RX Jumbo:       0
> TX:             256
> 
> I was using nprobe v4.0 to test pf_ring. The only thing I did different to 
> compile nprobe was adding "-lpfring" to the library flags.
> 
> I tried changing transparency mode when loading the module but I am still 
> getting the same result.
> Under /proc/filesystems I did not see pf_ring anywhere...
> But "lsmod" shows pf_ring is used by 2 (processes?) when I turn on nprobe on 
> the interface that has the modified driver.
> 
> Here is a tail of /var/log/messages
> 
> [PF_RING] Welcome to PF_RING 4.4.0 ($Revision: 4362$)
> (C) 2004-10 L.Deri <[email protected]>
> [PF_RING] registered /proc/net/pf_ring/
> NET: Registered protocol family 27
> [PF_RING] Ring slots       4096
> [PF_RING] Slot version     12
> [PF_RING] Capture TX       Yes [RX+TX]
> [PF_RING] Transparent Mode 0
> [PF_RING] IP Defragment    No
> [PF_RING] Initialized correctly
> device eth6 entered promiscuous mode
> 
> Any suggestions is much appreciated.
> 
> Ed
> 
> 
> On Mon, Oct 11, 2010 at 8:58 PM, Luca Deri <[email protected]> wrote:
> Ed
> Are you using a pf_ring-aware driver as those in the drivers/ directory ? 
> What is your application about?
> 
> Cheers Luca
> 
> ---
> Luca Deri <[email protected]>
> 
> Il giorno 11/ott/2010, alle ore 08.47, Yuri Francalacci <[email protected]> ha 
> scritto:
> 
>> You may have to play with the transparent_mode value while loading the 
>> module.
>> furthermore check under the proc filesystem if the program using pf_ring is 
>> correctly registered on pf_ring 
>> Yuri
>> On Oct 11, 2010, at 6:32 AM, Ed Nabeshin wrote:
>> 
>>> Hi,
>>> 
>>> I hope this post is in the right spot. Please let me know otherwise.
>>> I have been trying to get PF_RING working in CentOS 5.2
>>> This is the instructions I followed:
>>> 
>>> http://gunjan-bansal.blogspot.com/2010/06/installation-guide-for-pfring.html
>>> 
>>> Afterwards, I re-compiled nprobe and run it.
>>> However, I did not see PF_RING related messages in /var/log/messages
>>> It just say "device eth6 entered promiscuous mode" when I turn on nprobe.
>>> 
>>> From looking at other sites, it seems that there should be a message that 
>>> looks like "RING: succesfully allocated 1024 KB".
>>> There seems to be no change in performance either. The number of dropped 
>>> packets are about the same compared to before installing PF_RING.
>>> 
>>> Are the instructions from the link above correct?
>>> If so, any suggestions on where to start looking for where the problem lies 
>>> is much appreciated.
>>> 
>>> Thank you for your time.
>>> 
>>> Ed
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