allocating netlink families? (was: re: Announce: NetKeeper FirewallFor Linux)

[Dan Kegel]

Emmanuel Fleury wrote:
>   http://www.cs.auc.dk/~fleury/netkeeper/

Hey, that seems to be a nice example of how to write
a new netlink family.  Thanks!

I see you're using NETLINK_USERSOCK.  Netlink families
appear to be a precious commodity (netlink_dev.c, at
least, will break if you raise MAX_LINKS above 32).

Has there been any discussion of how one should pick
netlink family numbers for new stuff like netkeeper?
Sure, everyone could use NETLINK_USERSOCK, but
that means only one new netlink module could be resident at a time...
- Dan

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