[U-Boot] NFSv2 => NFSv3

Joe Hershberger joe.hershberger at gmail.com
Thu Jun 9 18:20:49 CEST 2016


Hi Guillaume,

On Thu, Jun 2, 2016 at 9:26 AM, Joe Hershberger
<joe.hershberger at gmail.com> wrote:
> On Thu, Jun 2, 2016 at 8:39 AM, Guillaume Gardet
> <guillaume.gardet at free.fr> wrote:
>> Hi,
>>
>> I am facing a problem with U-Boot.
>> Our NFS server supports NFS v3 and v4 but it seems that U-Boot is NFS v2
>> only.
>>
>> Is there any plan to update to v3? Otherwise, I could help, but I would need
>> some pointers to NFS protocol handling.
>
> I'm not aware of anyone working on that. Maybe someone more familiar
> with NFS could help, or look at the differences in the Linux
> implementations.

I received a note from bodhi bodhi <mibodhi at gmail.com> that he is
successfully using NFS v3 with modern U-Boot (since 2014).

Here are the details of the environment that he included...

bootcmd_nfs=setenv nfs_server "192.168.0.224"; setenv nfs_path
"/srv/nfs/hosts/tldDebian2"; setenv nfs_bootcmd "run nfs_set_bootargs;
run nfs_boot"; setenv nfs_ipconfig
"192.168.0.229:192.168.0.224:192.168.0.1:255.255.0.0:tldDebian2::off";
setenv nfs_set_bootargs "setenv bootargs console=ttyS0,115200
root=/dev/nfs nfsroot=$nfs_server:$nfs_path,v3 rootfstype=nfs rootwait
 ip=$nfs_ipconfig $mtdparts"; setenv nfs_load_uimage "nfs 0x800000
$nfs_server:$nfs_path/boot/uImage"; setenv nfs_load_uinitrd "nfs
0x1100000 $nfs_server:$nfs_path/boot/uInitrd"; setenv nfs_load_dtb
"nfs 0x1c00000 $nfs_server:$nfs_path/boot/dts/kirkwood-pogo_e02.dtb";
setenv nfs_bootm "bootm 0x800000 0x1100000 0x1c00000"; setenv nfs_boot
"run nfs_load_uimage; run nfs_load_uinitrd; run nfs_load_dtb; run
nfs_bootm"; echo "Booting NFS root…"; run nfs_bootcmd

Thanks, Bodhi.

Cheers,
-Joe


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