Netdev List
 help / color / mirror / Atom feed
From: Eric Dumazet <eric.dumazet@gmail.com>
To: Bill Fink <billfink@mindspring.com>
Cc: Vimal <j.vimal@gmail.com>,
	netdev@vger.kernel.org, shemminger <shemminger@vyatta.com>
Subject: Re: [PATCH] Rate should be u64 to avoid integer overflow at high speeds (>= ~35Gbit)
Date: Sun, 10 Mar 2013 06:54:36 +0100	[thread overview]
Message-ID: <1362894876.4051.27.camel@edumazet-glaptop> (raw)
In-Reply-To: <20130310004904.de508bfa.billfink@mindspring.com>

On Sun, 2013-03-10 at 00:49 -0500, Bill Fink wrote:

> I don't see the problem.  An old program would not know about
> the new multiplier, would thus get the default multiplier of 1,
> and get the same behavior as always, with the same limitation
> of ~34 Gbps.  But someone with a newer tc/kernel could for example
> specify a multiplier of 10, which would then support rates up to
> about 340 Gbps.  It sounds like a reasonable approach to me.

Hopefully, some of us see the problem here and are able to reject
patches before breaking user land.

  reply	other threads:[~2013-03-10  5:54 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-10  3:20 [PATCH] Rate should be u64 to avoid integer overflow at high speeds (>= ~35Gbit) Vimalkumar
2013-03-10  4:03 ` Eric Dumazet
2013-03-10  4:53   ` Vimal
2013-03-10  5:05     ` Eric Dumazet
2013-03-10  5:49       ` Bill Fink
2013-03-10  5:54         ` Eric Dumazet [this message]
2013-03-12 14:29           ` Chris Friesen
2013-03-12 15:42             ` Thomas Graf
2013-03-12 15:44               ` Eric Dumazet
2013-03-12 15:53               ` Chris Friesen
2013-03-12 15:56                 ` Chris Friesen
2013-03-13  6:01               ` Bill Fink
2013-03-13  6:13                 ` Eric Dumazet
2013-03-13 15:29                   ` Bill Fink
2013-03-13 15:34                     ` Stephen Hemminger
2013-03-13 16:57                       ` Chris Friesen
2013-03-14  4:08                       ` Bill Fink

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=1362894876.4051.27.camel@edumazet-glaptop \
    --to=eric.dumazet@gmail.com \
    --cc=billfink@mindspring.com \
    --cc=j.vimal@gmail.com \
    --cc=netdev@vger.kernel.org \
    --cc=shemminger@vyatta.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox