> -----Original Message-----
> From: Holger Brunck [mailto:holger.bru...@keymile.com]
> Sent: Monday, 28 November, 2016 09:22
> To: Jon Maloy <jon.ma...@ericsson.com>; tipc-discussion@lists.sourceforge.net
> Subject: Re: [tipc-discussion] TIPC link statistic
> 
> Hi Jon,
> 
> On 28/11/16 14:53, Jon Maloy wrote:
> >> I saw your patch "tipc: fix link statistics counter errors". I assume it 
> >> should
> >> > tackle this issue? I gave it a try with kernel 4.9.0-rc7 on my kmeter1 
> >> > board
> >> > which is a 32 bit powerpc board. Unfortunately the counters are still 
> >> > wrong
> in
> >> > the link statistic. Received packets don't appear at all and transmitted
> >> > packages to a remote node are accounted on the broadcast link.
> > I believe you are talking only about the broadcast link here? The figures 
> > for
> > broadcast reception are currently missing by design, i.e., they have always
> > been missing. We would need to scan across all broadcast reception links (on
> > the contrary, there is only one broadcast transmission link, which makes 
> > that
> > task easy) and accumulate all values, as well as presenting the figures for
> > the individual links. It is not a particularly big or difficult task, but it
> > is certainly more than the small bug corrections I just delivered. I cannot
> > prioritize this myself right now.
> 
> no I am not talking about the broadcast link in particular, it was only 
> another
> thing I noticed.
> 
> I have a TIPC link between two ethernet ports and I send packets 
> connectionless
> from a client to a server running on the other side of the link.  And what I
> still see is that the RX and TX counter are not increasing in the link
> statistic. After sending 300 packets with a size of 10kB I see:
> 
> Link <1.1.9:eth2-1.1.211:eth1>
>   ACTIVE  MTU:1500  Priority:10  Tolerance:1500 ms  Window:50 packets
>   RX packets:6 fragments:0/0 bundles:0/0
>   TX packets:4 fragments:0/0 bundles:0/0
>   TX profile sample:2 packets  average:60 octets
>   0-64:100% -256:0% -1024:0% -4096:0% -16384:0% -32768:0% -66000:0%
>   RX states:17978 probes:368 naks:0 defs:2 dups:2
>   TX states:17772 probes:17386 naks:2 acks:16 dups:0
>   Congestion link:0  Send queue max:0 avg:0
> 
> I just wanted to know that this is a known bug or if there is something wrong 
> in
> my setup.
> 
> Best regards
> Holger

The explanation is simple: the patch is not applied on net-next yet, only on 
net. It normally takes a few days before David re-applies fixes to net back to 
net-next. Since you anyway checked out net-next, you could try to apply the 
patch yourself.

///jon


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