Re: Netgraph ng_bridge status message missing last three values?

On Fri, Oct 19, 2007 at 09:50:35AM -0500, Guy Helmer wrote:
I'm diagnosing a system that uses the Netgraph ng_bridge node to bridge two
Ethernet segments and the system seems to stop passing traffic at
randomly-triggered points (somewhat annoying for a system half a world away
behind a very restrictive firewall :-)

I've installed a cron job to dump the Netgraph bridge status messages to a
log file every few minutes. However, I've found that the ng_bridge status
message looks like this:

ngctl msg bnet0: getstats 0
STATS=Rec'd response "getstats" (4) from "[10]:":
Args: { recvOctets=474229151 recvPackets=3322699 recvMulticast=128640
recvBroadcast=105813 recvUnknown=2372 xmitOctets=516954216
xmitPackets=2968420 xmitMulticasts=8 xmitBroadcasts=339 }

but to aid diagnosis I would really like to see several values that,
according to ng_bridge.h, are in the stats structure, including
recvRunts, recvInvalid, loopDrops, loopDetects, and memoryFailures. It
looks like all the code is there to report the values of these variables,
but I can't seem to find anything that is dropping these variables from
ngctl's output.

Struct members with zero values aren't shown.


Cheers,
--
Ruslan Ermilov
ru@xxxxxxxxxxx
FreeBSD committer
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