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sflow: Export LAG, PORTNAME, and OPENFLOWPORT information also.

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Export standard sFlow LAG, PORTNAME and OPENFLOWPORT structures with each
counter-sample. Add unit-test for sFlow-LAG. Adjust other unit-tests to
accommodate these new annotations.

The sFlow-LAG structures are important for topology discovery, for
troubleshooting LAG instability,  and for correctly combining
sFlow feeds from multiple sources.

The OPENFLOWPORT and PORTNAME structures are important for systems that
aim to combine sFlow monitoring with OpenFlow controls,  as they
provide straightforward mapping (1) between sFlow agent IP and OpenFlow
datapath-id,  and (2) between interface name,ifIndex and OpenFlow
port number.

Signed-off-by: Neil McKee <neil.mckee@inmon.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Neil McKee
2014-06-27 11:19:59 -07:00
committed by Ben Pfaff
parent afc63bb4bc
commit 50b9699fe4
14 changed files with 534 additions and 5 deletions
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1
lib/sflow_api.h
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@@ -281,6 +281,7 @@ void sfl_agent_set_agentSubId(SFLAgent *agent, u_int32_t subId);
to get counters if it is not the same as the global ifIndex */
void sfl_poller_set_bridgePort(SFLPoller *poller, u_int32_t port_no);
u_int32_t sfl_poller_get_bridgePort(SFLPoller *poller);
SFLPoller *sfl_agent_getPollerByBridgePort(SFLAgent *agent, u_int32_t port_no);
/* call this to indicate a discontinuity with a counter like samplePool so that the
sflow collector will ignore the next delta */