Re: [mpls-linux-general] decoding /proc/net/mpls_in

[James R. L. <jl...@mi...>]

On Thu, Jan 17, 2002 at 03:12:11PM -0800, Sanjeev Chakravarty wrote:
> 
> Hi Jim,
> 
> I would appreciate if you could explain the content of an entry in
> /proc/net/mpls_in
> 
> Eg. on executing "mplsadm -A -I gen:27:0"
> 
> The following entry was found in /proc/net/mpls_in
> 40006C00 0/0/0 gen 27 0 POP PEEK
> 
> What I could infer is: PEEK into the label stack for the top most label of
> the incoming packet and if it is a generic label "27" in labelspace "0" then
> POP that label. I have no idea about the other parameters "40006C00" and
> "0/0/0".

40006C00 is the key that is used to store it in the internal tree.
0/0/0 are teh counters.  Packet/byte/drop.

> Also in one of your previous mail you mentioned that you are less inclined
> towards using netlink. Is it becoz netlink is Linux specific and porting to
> other systems could have problems or there are other issues?

Netlink works well, but it seems like over kill.  If I ever add notification
(like when labels come and go) I will look to netlin again.

Jim

> 
> thanks,
> 
> Sanjeev
> 
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-- 
James R. Leu