From: Mohan Prasad <kcmohanprasad@gmail.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: "Wiles, Keith" <keith.wiles@intel.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] DPDK: receive single packet at a time
Date: Thu, 31 Mar 2016 17:12:44 +0530 [thread overview]
Message-ID: <CADSKuqvJkihP-Epgs-YAHqU37LV0T=QCWUKe6xnFhsT5eGD9+g@mail.gmail.com> (raw)
In-Reply-To: <CADSKuqu70m5jqLovAx0SdFFqmK48ZHXcYCkuHhd+ktaFr+MEVA@mail.gmail.com>
Could not get it working by disabling the vector PMD, Do you have any
example where it works?
Thanks,
Mohan
On Wed, Mar 30, 2016 at 11:06 AM, Mohan Prasad <kcmohanprasad@gmail.com>
wrote:
> Hi Bruce,
>
> Could not get it working by disabling the vector PMD, Do you have any
> example where it works?
>
> Thanks,
> Mohan
>
> On Tue, Mar 29, 2016 at 6:46 PM, Bruce Richardson <
> bruce.richardson@intel.com> wrote:
>
>> On Tue, Mar 29, 2016 at 06:31:58PM +0530, Mohan Prasad wrote:
>> > Hi,
>> >
>> > I have tried this and it does not work
>> >
>>
>> What type of NIC are you using. If you are using ixgbe or i40e, try
>> disabling
>> the vector PMD in your build-time configuration to see if it makes a
>> difference.
>>
>> However, why do you want to receive just a single packet at a time. Why
>> not just
>> receive a burst of packets and then process them one at a time? It's much
>> more
>> efficient that way, and you should get better performance from your
>> application.
>>
>> /Bruce
>>
>>
>> > Thanks,
>> > Mohan
>> > On Mar 29, 2016 6:26 PM, "Wiles, Keith" <keith.wiles@intel.com> wrote:
>> >
>> > > >Hi,
>> > > >
>> > > >Is there any option to receive single packet at a time with dpdk?
>> > >
>> > > Not sure if this is the answer you are looking for, but if you just
>> > > request a single packet with
>> > >
>> > > struct rte_mbuf *mbuf;
>> > > rte_eth_rx_burst(port_id, queue_id, &mbuf, 1);
>> > >
>> > > will return only one packet as a time.
>> > > >
>> > > >Thanks,
>> > > >Mohan
>> > > >
>> > >
>> > >
>> > > Regards,
>> > > Keith
>> > >
>> > >
>> > >
>> > >
>> > >
>>
>
>
next prev parent reply other threads:[~2016-03-31 11:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-29 11:32 Mohan Prasad
2016-03-29 12:56 ` Wiles, Keith
2016-03-29 13:01 ` Mohan Prasad
2016-03-29 13:08 ` Wiles, Keith
2016-03-29 13:21 ` Mohan Prasad
2016-03-29 13:16 ` Bruce Richardson
2016-03-30 5:36 ` Mohan Prasad
2016-03-31 11:42 ` Mohan Prasad [this message]
2016-03-31 12:40 ` Wiles, Keith
2016-03-31 12:43 ` Wiles, Keith
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