svn commit: r259562 - head/usr.bin/netstat

[John-Mark Gurney]

Alexander V. Chernikov wrote this message on Wed, Dec 18, 2013 at 18:25 +0000:
> Author: melifaro
> Date: Wed Dec 18 18:25:27 2013
> New Revision: 259562
> URL: http://svnweb.freebsd.org/changeset/base/259562
> 
> Log:
>   Switch netstat -rn to use standard API for retrieving list of routes
>   instead of peeking inside in-kernel radix via kget.
>   This permits us to change kernel structures without breaking userland.
>   Additionally, this change provide more reliable and faster output.
>   
>   `Refs` and `Use` fields available in IPv4 by default (and via -W
>   for other families) were removed. `Refs` is radix-specific thing
>   which is not informative for users. `Use` field value is handy sometimes,
>   but a) current API does not support it and b) I'm not sure we will
>   support per-rte pcpu counters in near future.
>   
>   Old method of retrieving data is still supported (either by defining
>   NewTree=0 or running netstat with -A). However, Refs/Use fields are
>   hidden.
>   
>   Sponsored by:	Yandex LLC
>   MFC after:	4 weeks
>   PR:		kern/167204

How will this impact the use of netstat -rn -M vmcore -N kernel ?  Will
this change make it not usable, or will you still automatically use
it when they are specified?

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."