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

From: Keiichi KII
Date: Mon Dec 25 2006 - 23:53:56 EST

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).

# cat /sys/class/misc/netconsole/port1/remote_ip
# echo > /sys/class/misc/netconsole/port1/remote_ip
# cat /sys/class/misc/netconsole/port1/remote_ip

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.

- 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@xxxxxxxxxxxxx

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