Hi all,
I got a basic question to the link statistic printed out from TIPC when I use
"tipc-config -ls" or "tipc link stat show".

I got a link between a PPC board running kernel 4.4 and my local x86 PC via
ethernet bearers. I have a simple server running on my PPC board listening on a
TIPC socket which has published a port in TIPC_CLUSTER_MODE.

On my local PC I start a TIPC client sending 100 connectionless messages to this
TIPC port. Due  to printouts within my server I see that the messages are
arriving where they should.

What confuses me is when I have a look on the link statistic on both sides. My
local PC (running Kernel 3.10, Client):

> tipc-config -ls
Link <broadcast-link>
  Window:20 packets
  RX packets:0 fragments:0/0 bundles:0/0
  TX packets:100 fragments:0/0 bundles:0/0
  RX naks:0 defs:0 dups:0
  TX naks:0 acks:0 dups:0
  Congestion link:6  Send queue max:20 avg:12

Link <1.1.3:p4p1-1.1.11:eth1>
  ACTIVE  MTU:1500  Priority:10  Tolerance:1500 ms  Window:50 packets
  RX packets:1 fragments:0/0 bundles:0/0
  TX packets:0 fragments:0/0 bundles:0/0
  TX profile sample:0 packets  average:0 octets
  0-64:0% -256:0% -1024:0% -4096:0% -16384:0% -32768:0% -66000:0%
  RX states:370 probes:182 naks:0 defs:0 dups:0
  TX states:364 probes:181 naks:0 acks:0 dups:0
  Congestion link:0  Send queue max:0 avg:0

The TX messages are accounted on the broadcast link. I would expect that they
appear on the Link <1.1.3:p4p1-1.1.11:eth1>.

On my embedded PPC board (kernel 4.4, Server):
> tipc link stat show
Link statistics:

Link <broadcast-link>
  Window:50 packets
  RX packets:1 fragments:0/0 bundles:0/0
  TX packets:1 fragments:0/0 bundles:0/0
  RX naks:0 defs:0 dups:0
  TX naks:0 acks:0 dups:0
  Congestion link:0  Send queue max:0 avg:0

Link <1.1.11:eth1-1.1.3:p4p1>
  STANDBY  MTU:1500  Priority:10  Tolerance:1500 ms  Window:50 packets
  RX packets:0 fragments:0/0 bundles:0/0
  TX packets:2 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:378 probes:188 naks:0 defs:0 dups:0
  TX states:384 probes:189 naks:0 acks:7 dups:0
  Congestion link:0  Send queue max:0 avg:0

On the server side the packets doesn't appear at all in the link statistic, but
they were definetely received from the server.

Does anyone has an idea whats wrong here?

Best regards
Holger

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