From: David Miller <davem@davemloft.net>
To: adapa.ajith@gmail.com
Cc: danborkmann@iogearbox.net, netdev@vger.kernel.org
Subject: Re: Regarding bottlenecks for high speed packet generation
Date: Thu, 25 Oct 2012 23:18:14 -0400 (EDT) [thread overview]
Message-ID: <20121025.231814.962022530355865788.davem@davemloft.net> (raw)
In-Reply-To: <CADAe=+L2hXpYwH-XyNS2HyHQrMQRCmV_v-bs0Qp+sR-mVkzV4A@mail.gmail.com>
From: Ajith Adapa <adapa.ajith@gmail.com>
Date: Fri, 26 Oct 2012 08:19:15 +0530
> Hi,
>
>> If the driver uses NAPI [1] / the chip supports that, then not. You
>> can observe the hardware / software interrupts via ifpps or watching
>> procfs or some other tools, or simply look at the driver
>> implementation.
>>
>> [1] http://www.linuxfoundation.org/collaborate/workgroups/networking/napi
>
> But does NAPI comes into picture in case of transmission of packets ?
Reclaim of TX descriptors occurs via NAPI.
next prev parent reply other threads:[~2012-10-26 3:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-25 17:46 Regarding bottlenecks for high speed packet generation Ajith Adapa
2012-10-25 18:04 ` Daniel Borkmann
[not found] ` <CADAe=++9KHUx3qX+2==+q0Fq44CJ9tjYcO=HdLYOF3FVuM5Vtg@mail.gmail.com>
2012-10-25 19:39 ` Daniel Borkmann
2012-10-26 2:49 ` Ajith Adapa
2012-10-26 3:18 ` David Miller [this message]
2012-10-26 6:12 ` Ajith Adapa
2012-10-26 16:15 ` Ben Hutchings
2012-10-27 3:55 ` Ajith Adapa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20121025.231814.962022530355865788.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=adapa.ajith@gmail.com \
--cc=danborkmann@iogearbox.net \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).