[dpdk-dev] checking packet drop at NIC

Sharath sharathjm.bharadwaj at gmail.com
Fri Jan 31 08:26:16 CET 2014


thank you Vladimir.


On Fri, Jan 31, 2014 at 12:36 PM, Vladimir Medvedkin
<medvedkinv at gmail.com>wrote:

> Hi Sharath,
>
> In DPDK interrupts are disabled to eliminate the performance overhead.
> Interrupts used only for link status change. So you can poll
> rte_eth_stats_get and check struct rte_eth_stats for errors.
>
> Regards,
> Vladimir
>
>
>
> 2014-01-31 Sharath <sharathjm.bharadwaj at gmail.com>
>
> Hi Daniel & all,
>>
>> can anyone please let me know about this.
>>
>> Tx
>> -SB
>>
>>
>> On Thu, Jan 30, 2014 at 4:50 PM, Sharath <sharathjm.bharadwaj at gmail.com
>> >wrote:
>>
>> > hi!
>> >
>> > are there any interrupts which are raised by DPDK, for the fifo errors.
>> >
>> > please let me know, where can I find the details and how to handle such
>> > interrupts ?
>> >
>> > Tx
>> > -SB
>> >
>> >
>> > On Thu, Jan 30, 2014 at 2:30 PM, Sharath <sharathjm.bharadwaj at gmail.com
>> >wrote:
>> >
>> >> Thanks Daniel !
>> >> Let me check it out . . .
>> >> On Jan 29, 2014 8:54 PM, "Daniel Kaminsky" <
>> >> daniel.kaminsky at infinitelocality.com> wrote:
>> >>
>> >>> Hi Sharath,
>> >>>
>> >>> Try rte_eth_stats_get, I think this should give you what you're
>> looking
>> >>> for.
>> >>>
>> >>> Regards,
>> >>> Daniel
>> >>>
>> >>>
>> >>> On Tue, Jan 28, 2014 at 7:29 AM, Sharath <
>> sharathjm.bharadwaj at gmail.com>wrote:
>> >>>
>> >>>> hi !
>> >>>>
>> >>>> can someone please tell me whether the DPDK provides any method to
>> >>>> handle
>> >>>> below
>> >>>>
>> >>>> a. account the packet drops at NIC level ? is there any interrupt
>> >>>> raised by
>> >>>> DPDK for the same ?
>> >>>> b. to check fifo errors ?
>> >>>> c. way to check rx and tx in sync
>> >>>>
>> >>>> Tx,
>> >>>> -SB
>> >>>>
>> >>>
>> >>>
>> >
>>
>
>


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