[PATCH 09/11] defaultenv-2: boot/net add bootp support

Sascha Hauer s.hauer at pengutronix.de
Sat Sep 8 09:56:56 EDT 2012


On Fri, Sep 07, 2012 at 02:13:35PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> ---
>  defaultenv-2/base/boot/net |   35 ++++++++++++++++++++++++++++++++++-
>  1 file changed, 34 insertions(+), 1 deletion(-)
> 
> diff --git a/defaultenv-2/base/boot/net b/defaultenv-2/base/boot/net
> index 922bef1..ff05077 100644
> --- a/defaultenv-2/base/boot/net
> +++ b/defaultenv-2/base/boot/net
> @@ -7,8 +7,41 @@ fi
>  
>  path="/mnt/tftp"
>  
> +# to get the dhcp info (global.dhcp.rootpath, global.dhcp.bootfile, global.dhcp.oftree_file)
> +ifdown eth0
> +ifup eth0

If ifup has been called before the global.dhcp. variables are already
set. Why do you force to do this again?

> +
>  global.bootm.image="${path}/${global.user}-linux-${global.hostname}"
>  #global.bootm.oftree="${path}/${global.user}-oftree-${global.hostname}"
> -nfsroot="/home/${global.user}/nfsroot/${global.hostname}"
> +
> +if [ -n "${global.dhcp.rootpath}" ]; then
> +	bootp=1
> +	nfsroot="${global.dhcp.rootpath}"
> +else
> +	nfsroot="/home/${global.user}/nfsroot/${global.hostname}"
> +fi
> +
> +if [ -n "${global.dhcp.bootfile}" -o -n "${global.dhcp.oftree_file}" ]; then
> +	bootp=1
> +	path="/mnt/dhcp"
> +
> +	if [ -d "${path}" ]; then
> +		umount "${path}"
> +	else
> +		mkdir "${path}"
> +	fi
> +	mount -t tftp $eth0.serverip "${path}"

That's exactly the path that's already mounted to /mnt/tftp. Why are you
doing this?


> +
> +	[ -n "${global.dhcp.bootfile}" ] && global.bootm.image="${path}/${global.dhcp.bootfile}"
> +	[ -n "${global.dhcp.oftree_file}" ] && global.bootm.oftree="${path}/${global.dhcp.oftree_file}"
> +fi
> +
> +if [ x${bootp} = x1 ]; then
> +	echo "Boot via bootp/dhcp on server ${eth0.serverip}"
> +	[ -n "${global.dhcp.bootfile}" ] && echo "bootm.image => ${global.dhcp.bootfile}"
> +	[ -n "${global.dhcp.oftree_file}" ] && echo "bootm.oftree => ${global.dhcp.oftree_file}"
> +	[ -n "${global.dhcp.rootpath}" ] && echo "nfsroot => ${global.dhcp.rootpath}"
> +fi
> +
>  bootargs-ip
>  bootargs-root-nfs -n "$nfsroot"
> -- 
> 1.7.10.4
> 
> 
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