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netdev: Custom statistics.

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- New get_custom_stats interface function is added to netdev. It
  allows particular netdev implementation to expose custom
  counters in dictionary format (counter name/counter value).
- New statistics are retrieved using experimenter code and
  are printed as a result to ofctl dump-ports.
- New counters are available for OpenFlow 1.4+.
- New statistics are printed to output via ofctl only if those
  are present in reply message.
- New statistics definition is added to include/openflow/intel-ext.h.
- Custom statistics are implemented only for dpdk-physical
  port type.
- DPDK-physical implementation uses xstats to collect statistics.
  Only dropped and error counters are exposed.

Co-authored-by: Ben Pfaff <blp@ovn.org>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Signed-off-by: Michal Weglicki <michalx.weglicki@intel.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
This commit is contained in:
Michal Weglicki
2018-01-09 07:55:37 +00:00
committed by Ben Pfaff
parent cd32509e4a
commit 971f4b394c
19 changed files with 498 additions and 18 deletions
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2
lib/netdev.h
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@@ -296,6 +296,8 @@ struct netdev *netdev_find_dev_by_in4(const struct in_addr *);
/* Statistics. */
int netdev_get_stats(const struct netdev *, struct netdev_stats *);
int netdev_get_custom_stats(const struct netdev *,
struct netdev_custom_stats *);
/* Quality of service. */
struct netdev_qos_capabilities {