Re: PATCH: Enable IP PNP for 2.4.4-ac8

[ebiederm@xmission.com (Eric W. Biederman)]

"H . J . Lu" <hjl@lucon.org> writes:

> On Fri, May 11, 2001 at 04:28:05PM -0700, David S. Miller wrote:
> > 
> > H . J . Lu writes:
> >  > 2.4.4-ac8 disables IP auto config by default even if CONFIG_IP_PNP is
> >  > defined.  Here is a patch.
> > 
> > It doesn't make any sense to enable this unless parameters are
> > given to the kernel via the kernel command line or from firmware
> > settings.
> 
> >From Configure.help:
> 
> IP: kernel level autoconfiguration
> CONFIG_IP_PNP
>   This enables automatic configuration of IP addresses of devices and
>   of the routing table during kernel boot, based on either information
>   supplied on the kernel command line or by BOOTP or RARP protocols.
>   You need to say Y only for diskless machines requiring network 
>   access to boot (in which case you want to say Y to "Root file system
>   on NFS" as well), because all other machines configure the network 
>   in their startup scripts.
> 
> It works fine for 2.4.4. However, in 2.4.4-ac8, even if I select
> CONFIG_IP_PNP, I have to pass ip=xxxx to kernel, in addition to
> nfsroot=x.x.x.x:/foo/bar. With 2.4.4, I can just pass
> nfsroot=x.x.x.x:/foo/bar to kernel.

O.k. Configure.help needs to be updated. "ip=on" or "ip=bootp" or
"ip=dhcp" work fine.  I wonder if I forgot to forward port the docs?

This same situation exists for 2.2.18 & 2.2.19 as well.

The only way to get long term stability out of this is to write
a user space client, you can put in a ramdisk.  One of these days...

Eric