RFC: interface description

[Luiz Otavio O Souza]

> Xin LI wrote:
>> While playing with some OpenBSD installation I found that they have an
>> interesting feature - adding description to a NIC.  This is useful for
>> system administrators to "tag" the interface, also, the ladvd program
>> has a feature to use the SIOCSIFDESCR ioctl to document the remote CDP
>
> Something similar was rejected at least two times :)
> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/83622
> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/110720
>

That was a long time ago...

The Xin Li patch is a quite complete (manual pages updated as well) and only 
suffer from the 64 byte limit on interface description (and the 64 more 
bytes on ifnet), wich IMHO, should be easy to fix.

Thank you Xin Li for bringing this =)

Luiz