From: Stephen Hemminger <stephen@networkplumber.org>
To: Priya Ramanathan <shunmugapriya.ramanathan@gmail.com>
Cc: users@dpdk.org,
Koteswararao Kondepu <koteswararao.kondepu@gmail.com>,
andreaf <andreaf@utdallas.edu>
Subject: Re: Does DPDK supports EPOLL for 10G X550T (ixgbe driver)
Date: Thu, 19 Jan 2023 14:14:06 -0800 [thread overview]
Message-ID: <20230119141406.4ba3d040@hermes.local> (raw)
In-Reply-To: <CAMgau3m+tL0GqsZw8PK+-pNwLyNfUaPK-4OOP=Zag9N36_9aqQ@mail.gmail.com>
On Thu, 19 Jan 2023 13:43:19 -0600
Priya Ramanathan <shunmugapriya.ramanathan@gmail.com> wrote:
> Hello,
>
> We use two NIC cards - 10G X550T (ixgbe) for the DPDK-based application.
> The application uses EPOLL for the UDP communication between the server and
> the client.
> With the kernel driver, the EPOLL works properly, but when we enable DPDK
> support, we cannot see the communication correctly.
>
> I would like to know whether anyone has tested DPDK with EPOLL on the 10G
> X550T model.
> Also, please suggest which NIC models have been verified using DPDK with
> EPOLL for UDP communication. Thank you.
>
> Regards,
> Priya.
DPDK does not directly support UDP it is designed for raw packet applications.
It does not have traditional Linux sockets.
DPDK does support device interrupt and rte_epoll model.
It requires configuring interrupts and using VFIO.
See the l3fwd power for an example.
next prev parent reply other threads:[~2023-01-19 22:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-19 19:43 Priya Ramanathan
2023-01-19 22:14 ` Stephen Hemminger [this message]
2023-01-19 22:29 ` Priya Ramanathan
2023-01-20 4:04 ` Stephen Hemminger
2023-01-30 17:53 ` Priya Ramanathan
2023-01-30 19:21 ` Priya Ramanathan
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