On Thu, Mar 17, 2016 at 9:16 AM, Nikunj A Dadhania
<nik...@linux.vnet.ibm.com> wrote:
> Andrei Borzenkov <arvidj...@gmail.com> writes:
>
>> On Wed, Mar 16, 2016 at 1:16 PM, Nikunj A Dadhania
>> <nik...@linux.vnet.ibm.com> wrote:
>>> Hi Andrei,
>>>
>>>> If you call net_bootp manually,
>>>
>>> Thats what we are using in this current case, booting from the disk,
>>> and the grub.cfg has a netboot entry.
>>>
>>> menuentry 'Linux dev netboot' --class os {
>>> insmod net
>>> insmod ofnet
>>> insmod tftp
>>>
>>> net_bootp
>>>
>>> echo 'Network status: '
>>> net_ls_cards
>>> net_ls_addr
>>> net_ls_routes
>>>
>>> echo 'Loading Linux ...'
>>> linux (tftp)/ubuntu-installer/ppc64el/vmlinux tasks=standard
>>> pkgsel/language-pack-patterns= pkgsel/install-language-support=false ---
>>> quiet
>>> initrd (tftp)/ubuntu-installer/ppc64el/initrd.gz
>>> }
>>>
>>
>> OK, so you attempt to configure everything. The first obvious question
>> is - *which* interface should now become default? Your patch would
>> make them compete, whoever is the last would win.
>>
>> We would need to define some mechanism to designate interface as "default"
>> here.
>>
>>>> server is stored in environment variable net_<if>_dhcp_server_name;
>>>> you are free to use it as needed, e.g. set $root and $prefix.
>>>>
>>
>> You can already fetch this information from environment. Something like
>>
>> for i in 0 1 2 3 4 5; do
>> eval "set ip=\$net_ofnet${i}_dhcp_server"
>
> I dont see net_ofnet0_dhcp_server or net_ofnet_dhcp_server set
>
This should be net_ofnet0_dhcp_server_name, sorry. What variables are
set (could you show full list)?
>> if [ -n "$ip" ]; then
>> set boot_from=tftp,$ip
>> break
>> fi
>> done
>>
>> And later use ($boot_from) everywhere.
>
> Regards
> Nikunj
>
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