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ofproto: Querying port stats for individual ports (OpenFlow 1.0)

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OpenFlow 1.0 adds "port_no" field to the Port Stat request messages to
allow stats for individual ports to be queried.  Port stats for all ports
can still be requested by specifying OFPP_NONE as the port number.

NOTE: OVS at this point is not wire-compatible with OpenFlow 1.0 until
the final commit in this OpenFlow 1.0 set.
This commit is contained in:
Justin Pettit
2010-01-19 22:35:18 -08:00
parent 834377ea55
commit abaad8cf1b
6 changed files with 132 additions and 34 deletions
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11
include/openflow/openflow.h
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@@ -693,7 +693,7 @@ enum ofp_stats_types {
OFPST_TABLE,
/* Physical port statistics.
* The request body is empty.
* The request body is struct ofp_port_stats_request.
* The reply body is an array of struct ofp_port_stats. */
OFPST_PORT,
@@ -807,6 +807,15 @@ struct ofp_table_stats {
};
OFP_ASSERT(sizeof(struct ofp_table_stats) == 64);
/* Body for ofp_stats_request of type OFPST_PORT. */
struct ofp_port_stats_request {
uint16_t port_no; /* OFPST_PORT message may request statistics
for a single port (specified with port_no)
or for all ports (port_no == OFPP_NONE). */
uint8_t pad[6];
};
OFP_ASSERT(sizeof(struct ofp_port_stats_request) == 8);
/* Body of reply to OFPST_PORT request. If a counter is unsupported, set
* the field to all ones. */
struct ofp_port_stats {