[ovs-dev] [PATCH RFC] ofproto: RFC extended statistics patch
michalx.weglicki at intel.com
Tue Oct 13 12:25:26 UTC 2015
I did read this chapter quite carefully, however I have some additional questions.
Did you mean, that I should use experimenter property type to send extended statistics?
Because it seems that best option would be to add for example e.g. OFPPSPT_ RFC2819 to ofp_port_stats_prop_type along with proper C structures. However this would change OpenFlow protocol, so I guess I can't do it.
So in simple words:
Should I implement it exactly how it is currently done for ofputil_append_ofp14_port_stats (OF1.4) which contains Port statistics + ofp_port_stats_prop_ethernet, and append RFC2819 statistics at the end using Experimenter property type?
Thank you in advance.
From: Ben Pfaff [mailto:blp at nicira.com]
Sent: Monday, October 12, 2015 4:13 PM
To: Weglicki, MichalX
Cc: dev at openvswitch.org
Subject: Re: [ovs-dev] [PATCH RFC] ofproto: RFC extended statistics patch
On Mon, Oct 12, 2015 at 09:04:54AM +0000, Weglicki, MichalX wrote:
> "Wouldn't it make more sense to use the OF1.5 extensible port statistics
> [MW] To be honest I double checked the OF1.5 documentation, and did you mean "Extensible Flow Statistics - OXS"?
> At least I can't find anything about Extensible port statistics. I've also checked the code, however I can't find
> any generic way to implement it without protocol extension. If you meant, that this could be achieved by creating flow
> statistics extension, this is not exactly what my patch implements, which is port-based statistics.
> Could you point me to any exact code/documentation if none of above answers are valid?
Please see section 220.127.116.11, "Port Statistics", in OpenFlow 1.5.
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