From: Rick Jones <rick.jones2@hp.com>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: Eric Dumazet <dada1@cosmosbay.com>,
David Miller <davem@davemloft.net>,
jgarzik@pobox.com, netdev@vger.kernel.org
Subject: Re: [PATCH] sky2: skb recycling
Date: Wed, 22 Oct 2008 16:58:17 -0700 [thread overview]
Message-ID: <48FFBE19.7010803@hp.com> (raw)
In-Reply-To: <20081021133811.68bd5ce1@extreme>
Stephen Hemminger wrote:
> On Tue, 21 Oct 2008 22:15:43 +0200
> Eric Dumazet <dada1@cosmosbay.com> wrote:
>
>
>>Rick Jones a écrit :
>>> I've not had a good emily litella moment all day so I'll ask - is
>>> there really that much in the way of suitable skb's which are
>>> completely free after transmit completion?
>>
>> Or, if we take another way, say a VOIP RTP machine sends and
>> receive 20.000 packets per second, each being 200 bytes long, are
>> transmited packets correctly sized at sendto() time to be
>> candidates for recycling ?
>
> No. Most locally generate packets aren't going to be right size
> because they will be too small, cloned or fragmented. It really only
> helps when forwarding.
So we have a bit of "tension" between the desires of an end host vs
those of a router right?
rick jones
next prev parent reply other threads:[~2008-10-22 23:58 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-21 2:09 [PATCH] sky2: skb recycling Stephen Hemminger
2008-10-21 5:18 ` David Miller
2008-10-21 19:59 ` Rick Jones
2008-10-21 20:15 ` Eric Dumazet
2008-10-21 20:38 ` Stephen Hemminger
2008-10-22 23:58 ` Rick Jones [this message]
2008-10-23 0:05 ` Stephen Hemminger
2008-10-23 0:17 ` Rick Jones
2008-10-21 5:54 ` Eric Dumazet
2008-10-21 8:25 ` Robert Olsson
2008-10-21 8:49 ` Terry
2008-10-21 12:17 ` Robert Olsson
2008-10-21 12:34 ` Terry
2008-10-21 12:42 ` Eric Dumazet
2008-10-21 13:04 ` Robert Olsson
2008-10-21 9:53 ` Eric Dumazet
2008-10-21 11:58 ` Robert Olsson
2008-10-23 5:28 ` David Miller
2008-10-21 15:09 ` Stephen Hemminger
2008-10-22 11:03 ` Jeff Garzik
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