From: Stephen Hemminger <shemminger@vyatta.com>
To: Hagen Paul Pfeifer <hagen@jauu.net>
Cc: netdev@vger.kernel.org, davem@davemloft.net
Subject: Re: [PATCH] net: optimize Berkeley Packet Filter (BPF) processing
Date: Sun, 20 Jun 2010 11:49:13 -0700 [thread overview]
Message-ID: <20100620114913.42d3650a@nehalam> (raw)
In-Reply-To: <20100620095019.GA32223@nuttenaction>
On Sun, 20 Jun 2010 11:50:20 +0200
Hagen Paul Pfeifer <hagen@jauu.net> wrote:
> * Stephen Hemminger | 2010-06-19 22:16:11 [-0700]:
>
> >I don't think this works because it breaks ABI compatibility for applications tha
> >use older versions.
>
> Are you sure Stephen? It is a one-to-one mapping of the ABI but maybe it was
> too late yesterday ... ;-)
I was worried that the new (remapped codes) would overlap the ones from user
space. Maybe best to have separate structures for the userspace API and the
kernel optimized filter instructions. You could then do what ever transformations
you want there.
next prev parent reply other threads:[~2010-06-20 18:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-20 3:05 [PATCH] net: optimize Berkeley Packet Filter (BPF) processing Hagen Paul Pfeifer
2010-06-20 5:16 ` Stephen Hemminger
2010-06-20 9:50 ` Hagen Paul Pfeifer
2010-06-20 18:49 ` Stephen Hemminger [this message]
2010-06-20 22:09 ` David Miller
2010-06-20 21:57 ` Hagen Paul Pfeifer
2010-06-21 2:15 ` Changli Gao
2010-06-21 7:57 ` Hagen Paul Pfeifer
2010-06-26 4:36 ` David Miller
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