From: Harsh Patel <thadodaharsh10@gmail.com>
To: keith.wiles@intel.com
Cc: users@dpdk.org
Subject: Re: [dpdk-users] Query on handling packets
Date: Tue, 13 Nov 2018 07:55:37 +0530 [thread overview]
Message-ID: <CAA0iYrFAZYKLyZ6ZbZTy=PnHgo=tnOc1eNQA_rA-FxzGG5QSVw@mail.gmail.com> (raw)
In-Reply-To: <CAA0iYrErep=BitAUoj88m=4JpVDvCtgC1bs3UNCEvBd4_=7iLQ@mail.gmail.com>
Hello,
It would be really helpful if you can provide us a link (for both Tx and
Rx) to the project you mentioned earlier where you worked on a
similar problem, if possible.
Thanks and Regards,
Harsh & Hrishikesh.
On Mon, 12 Nov 2018 at 01:15, Harsh Patel <thadodaharsh10@gmail.com> wrote:
> Thanks a lot for all the support. We are looking into our work as of now
> and will contact you once we are done checking it completely from our side.
> Thanks for the help.
>
> Regards,
> Harsh and Hrishikesh
>
> On Sat, 10 Nov 2018 at 11:47, Wiles, Keith <keith.wiles@intel.com> wrote:
>
>> Please make sure to send your emails in plain text format. The Mac mail
>> program loves to use rich-text format is the original email use it and I
>> have told it not only send plain text :-(
>>
>> > On Nov 9, 2018, at 4:09 AM, Harsh Patel <thadodaharsh10@gmail.com>
>> wrote:
>> >
>> > We have implemented the logic for Tx/Rx as you suggested. We compared
>> the obtained throughput with another version of same application that uses
>> Linux raw sockets.
>> > Unfortunately, the throughput we receive in our DPDK application is
>> less by a good margin. Is this any way we can optimize our implementation
>> or anything that we are missing?
>> >
>>
>> The PoC code I was developing for DAPI I did not have any performance of
>> issues it run just as fast with my limited testing. I converted the l3fwd
>> code and I saw 10G 64byte wire rate as I remember using pktgen to generate
>> the traffic.
>>
>> Not sure why you would see a big performance drop, but I do not know your
>> application or code.
>>
>> > Thanks and regards
>> > Harsh & Hrishikesh
>> >
>> > On Thu, 8 Nov 2018 at 23:14, Wiles, Keith <keith.wiles@intel.com>
>> wrote:
>> >
>> >
>> >> On Nov 8, 2018, at 4:58 PM, Harsh Patel <thadodaharsh10@gmail.com>
>> wrote:
>> >>
>> >> Thanks
>> >> for your insight on the topic. Transmission is working with the
>> functions you mentioned. We tried to search for some similar functions for
>> handling incoming packets but could not find anything. Can you help us on
>> that as well?
>> >>
>> >
>> > I do not know if a DPDK API set for RX side. But in the DAPI (DPDK API)
>> PoC I was working on and presented at the DPDK Summit last Sept. In the PoC
>> I did create a RX side version. The issues it has a bit of tangled up in
>> the DAPI PoC.
>> >
>> > The basic concept is a call to RX a single packet does a rx_burst of N
>> number of packets keeping then in a mbuf list. The code would spin waiting
>> for mbufs to arrive or return quickly if a flag was set. When it did find
>> RX mbufs it would just return the single mbuf and keep the list of mbufs
>> for later requests until the list is empty then do another rx_burst call.
>> >
>> > Sorry this is a really quick note on how it works. If you need more
>> details we can talk more later.
>> >>
>> >> Regards,
>> >> Harsh
>> >> and Hrishikesh.
>> >>
>> >>
>> >> On Thu, 8 Nov 2018 at 14:26, Wiles, Keith <keith.wiles@intel.com>
>> wrote:
>> >>
>> >>
>> >> > On Nov 8, 2018, at 8:24 AM, Harsh Patel <thadodaharsh10@gmail.com>
>> wrote:
>> >> >
>> >> > Hi,
>> >> > We are working on a project where we are trying to integrate DPDK
>> with
>> >> > another software. We are able to obtain packets from the other
>> environment
>> >> > to DPDK environment in one-by-one fashion. On the other hand DPDK
>> allows to
>> >> > send/receive burst of data packets. We want to know if there is any
>> >> > functionality in DPDK to achieve this conversion of single incoming
>> packet
>> >> > to a burst of packets sent on NIC and similarly, conversion of burst
>> read
>> >> > packets from NIC to send it to other environment sequentially?
>> >>
>> >>
>> >> Search in the docs or lib/librte_ethdev directory on
>> rte_eth_tx_buffer_init, rte_eth_tx_buffer, ...
>> >>
>> >>
>> >>
>> >> > Thanks and regards
>> >> > Harsh Patel, Hrishikesh Hiraskar
>> >> > NITK Surathkal
>> >>
>> >> Regards,
>> >> Keith
>> >>
>> >
>> > Regards,
>> > Keith
>> >
>>
>> Regards,
>> Keith
>>
>>
next prev parent reply other threads:[~2018-11-13 7:55 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-08 8:24 Harsh Patel
2018-11-08 8:56 ` Wiles, Keith
2018-11-08 16:58 ` Harsh Patel
2018-11-08 17:43 ` Wiles, Keith
2018-11-09 10:09 ` Harsh Patel
2018-11-09 21:26 ` Wiles, Keith
2018-11-10 6:17 ` Wiles, Keith
2018-11-11 19:45 ` Harsh Patel
2018-11-13 2:25 ` Harsh Patel [this message]
2018-11-13 13:47 ` Wiles, Keith
2018-11-14 13:54 ` Harsh Patel
2018-11-14 15:02 ` Wiles, Keith
2018-11-14 15:04 ` Wiles, Keith
2018-11-14 15:15 ` Wiles, Keith
2018-11-17 10:22 ` Harsh Patel
2018-11-17 22:05 ` Kyle Larose
2018-11-19 13:49 ` Wiles, Keith
2018-11-22 15:54 ` Harsh Patel
2018-11-24 15:43 ` Wiles, Keith
2018-11-24 15:48 ` Wiles, Keith
2018-11-24 16:01 ` Wiles, Keith
2018-11-25 4:35 ` Stephen Hemminger
2018-11-30 9:02 ` Harsh Patel
2018-11-30 10:24 ` Harsh Patel
2018-11-30 15:54 ` Wiles, Keith
2018-12-03 9:37 ` Harsh Patel
2018-12-14 17:41 ` Harsh Patel
2018-12-14 18:06 ` Wiles, Keith
[not found] ` <CAA0iYrHyLtO3XLXMq-aeVhgJhns0+ErfuhEeDSNDi4cFVBcZmw@mail.gmail.com>
2018-12-30 0:19 ` Wiles, Keith
2018-12-30 0:30 ` Wiles, Keith
2019-01-03 18:12 ` Harsh Patel
2019-01-03 22:43 ` Wiles, Keith
2019-01-04 5:57 ` Harsh Patel
2019-01-16 13:55 ` Harsh Patel
2019-01-30 23:36 ` Harsh Patel
2019-01-31 16:58 ` Wiles, Keith
2019-02-05 6:37 ` Harsh Patel
2019-02-05 13:03 ` Wiles, Keith
2019-02-05 14:00 ` Harsh Patel
2019-02-05 14:12 ` Wiles, Keith
2019-02-05 14:22 ` Harsh Patel
2019-02-05 14:27 ` Wiles, Keith
2019-02-05 14:33 ` Harsh Patel
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