[lkml]   [2006]   [May]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 4/6] myri10ge - First half of the driver
From: Evgeniy Polyakov <>
Date: Fri, 12 May 2006 10:47:11 +0400

> On Fri, May 12, 2006 at 01:53:44AM +0200, Brice Goglin ( wrote:
> > > Imho you will want to work directly with pages shortly.
> > >
> >
> > We had thought about doing this, but were a little nervous since we did
> > not know of any other drivers that worked directly with pages. If this
> > is an official direction to work directly with pages, we will.
> s2io does. e1000 does it with skb frags.
> If your hardware allows header split and driver can put headers into
> skb->data and real data into frag_list, that allows to create various
> interesting things like receiving zero-copy support and netchannels
> support. It is work in progress, not official direction currently,
> but this definitely will help your driver to support future high
> performance extensions.

The most important impact is not having to use order 1 pages
for jumbo MTU frames, which are more likely to fail allocations
thant order 0 pages under heavy load.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-05-12 19:43    [W:0.082 / U:0.020 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site