From: Stephen Hemminger <shemminger@vyatta.com>
To: ratheesh k <ratheesh.ksz@gmail.com>
Cc: netfilter@vger.kernel.org
Subject: Re: rx interrupt in userspace
Date: Tue, 20 Apr 2010 11:00:03 -0700 [thread overview]
Message-ID: <20100420110003.29685143@nehalam> (raw)
In-Reply-To: <p2mcfeab66d1004201031u233ce827w8874c7ecf45575f6@mail.gmail.com>
On Tue, 20 Apr 2010 23:01:38 +0530
ratheesh k <ratheesh.ksz@gmail.com> wrote:
> Hi ,
>
> When flooding of network packets happens on network card , my
> linux embedded box becomes unrepsonsive because softirq_rx eats up
> hell a lot of CPU . I want top half of tx interrupt to be in User
> space . I want to implement some alogoritm in userspace to drop
> packets on high flooding and to keep other processes's some cycles .
>
> Could you guide me a little on this , any online turorials or articles
> or books , i can refer ?
> Any similar implementation like this ?
>
If your driver used NAPI, then it would not do this.
next prev parent reply other threads:[~2010-04-20 18:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-20 17:31 rx interrupt in userspace ratheesh k
2010-04-20 18:00 ` Stephen Hemminger [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-04-20 16:22 ratheesh k
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=20100420110003.29685143@nehalam \
--to=shemminger@vyatta.com \
--cc=netfilter@vger.kernel.org \
--cc=ratheesh.ksz@gmail.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.