doc: announce ABI change for flow director

Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Andrey Chilikin <andrey.chilikin@intel.com>

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 45c64d9..867c282 100644 (file)
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -17,6 +17,10 @@ Deprecation Notices
   tables (512 entries).
   It should be integrated in release 2.3.
 
+* ABI changes are planned for struct rte_eth_fdir_flow in order to support
+  extend flow director's input set. The release 2.2 does not contain these ABI
+  changes, but release 2.3 will, and no backwards compatibility is planned.
+
 * The scheduler statistics structure will change to allow keeping track of
   RED actions.