Hi Alfredo,

Having it per interface under /proc is excellent.

Thanks,
Amir

On Mon, Nov 16, 2015 at 11:56 AM, Alfredo Cardigliano <[email protected]>
wrote:

>
> On 16 Nov 2015, at 10:53, Amir Kaduri <[email protected]> wrote:
>
> Hi Alfredo,
>
>
> I reviewed the implementation of the feature (great!) and I would like to
> clarify please:
>
> 1. If I understood it correctly, the number of matched packets is per
> given rule, while the number of missed packets is per ring (and not per the
> given rule). Is it correct, or am I wrong?
>
>      If I’m correct, can I provide a dummy rule and get the number of
> missed packets on the given ring?
>
> Correct
>
> 2. When reading “ethtool –S ethX | grep fdir_miss” or “ethtool –S ethX |
> grep fdir_match” you actually get the aggregation of missed/matched packets
> on the interface (ethX).
>
>      Is it possible to get the pf_ring statistics aggregated as well, per
> interface, or at least per ring?
>
> Is it ok for you if we write this stats under /proc instead of adding
> another API call?
>
> Alfredo
>
>
>
> Thanks,
>
> Amir
>
> On Wed, Nov 11, 2015 at 8:01 PM, Alfredo Cardigliano <[email protected]
> > wrote:
>
>>
>> On 11 Nov 2015, at 18:02, Amir Kaduri <[email protected]> wrote:
>>
>> Two following questions please:
>> 1. fdir_miss (of ethtool -S) continues to increase even if my process
>> doesn't apply the filter rules. Do you know what else causes it to increase
>> if its not a result of a filter?
>> I didn't find an answer for it in the following doc:
>> https://www.kernel.org/doc/Documentation/networking/ixgbe.txt
>>
>>
>> Please have a look at the datasheet for all cases.
>>
>> 2. Should I expect the mentioned feature request to be implemented in
>> pf_ring soon, or its most probably be there with many other prioritized
>> requests?
>>
>>
>> It is in queue with other feature requests, we handle them in best effort,
>> however I think it will not require too much (1-2 weeks at most)
>>
>> Alfredo
>>
>>
>> Thanks,
>> Amir
>>
>> On Tue, Nov 10, 2015 at 3:32 PM, Amir Kaduri <[email protected]> wrote:
>>
>>> Thanks for the answer. It looks to me very essential statistics for
>>> user-space applications.
>>> Github feature request: https://github.com/ntop/PF_RING/issues/52
>>>
>>> Amir
>>>
>>>
>>> On Mon, Nov 9, 2015 at 7:34 PM, Alfredo Cardigliano <
>>> [email protected]> wrote:
>>>
>>>> Hi Amir
>>>> there is no statistics by default (unless you code your own kernel
>>>> plugin and read stats via pfring_get_hash_filtering_rule_stats, but this is
>>>> overkilling for match/miss counters),
>>>> please open a feature request on github.
>>>>
>>>> Alfredo
>>>>
>>>> On 09 Nov 2015, at 18:28, Amir Kaduri <[email protected]> wrote:
>>>>
>>>> Hi,
>>>>
>>>> In my application, I’m using pf_ring hash software filters (API:
>>>> pfring_handle_hash_filtering_rule()).
>>>>
>>>> How can I get statistics info regarding the quantity of the filtered
>>>> packets?
>>>>
>>>> I know that on ixgbe module, I can get the following parameters when
>>>> using ethtool –s <interface>:
>>>>
>>>> fdir_match, fdir_miss, fdir_overflow.
>>>>
>>>> Are there any pf_ring user-space APIs to get these parameters? Any code
>>>> examples?
>>>>
>>>>
>>>>
>>>> Thanks,
>>>>
>>>> Amir
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