Re: [RFC][PATCH -mm 0/5] proposal for dynamic configurable netconsole

[Keiichi KII <k-keiichi@bx.jp.nec.com>]

Thank you for your comments.

> > So, I propose the following extended features for netconsole.
> >
> > 1) support for multiple logging agents.
> > 2) add interface to access each parameter of netconsole
> >    using sysfs.
> >
> > This patch is for linux-2.6.20-rc1-mm1 and is divided to each function.
> > Your comments are very welcome.
>
> Rather than extending the existing kludge with module parameter, to
> sysfs. I would rather see a better API for this. Please build think
> about doing a better API with a basic set of ioctl's. Some additional

What advantage do we use a set of ioctl's compared to sysfs?
I think that sysfs is easier and more readable than the ioctl's 
to change configurations(IP address and port number and so on).

ex)
# cat /sys/class/misc/netconsole/port1/remote_ip
192.168.0.1
# echo 172.16.0.1 > /sys/class/misc/netconsole/port1/remote_ip
# cat /sys/class/misc/netconsole/port1/remote_ip
172.16.0.1

And the sysfs doesn't need to create access program such as the ioctl's.
If you change configurations related to netconsole through the sysfs interface, 
a simple script file including a set of commands such as above echo 
will help you set up automatically.

> things:
> 	- shouldn't just be IPV4 specific, should handle IPV6 as well

I would like to implement handling IPV6 on demand in the future.

> 	- shouldn't specify MAC address, it can do network discovery/arp to
> 	  find that when adding addresses

I think a userland application would rather find target MAC address and 
change it through the sysfs.

--
Keiichi KII
NEC Corporation OSS Promotion Center
E-mail: k-keiichi@bx.jp.nec.com




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