[PATCH V2] doc: announce the pipeline legacy API deprecation

[Cristian Dumitrescu]

Announce the deprecation of the legacy pipeline, table and port
library API and gradual stabilization of the new API.

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu at intel.com>
---
 doc/guides/rel_notes/deprecation.rst | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 872847e938..c12e87fd5b 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -135,3 +135,21 @@ Deprecation Notices
   Its removal has been postponed to let potential users report interest
   in maintaining it.
   In the absence of such interest, this library will be removed in DPDK 23.11.
+
+* pipeline: The pipeline library legacy API (functions rte_pipeline_*)
+  will be deprecated in DPDK 23.07 release and removed in DPDK 23.11
+  release. The new pipeline library API (functions rte_swx_pipeline_*)
+  will gradually transition from experimental to stable status
+  starting with DPDK 23.11 release.
+
+* table: The table library legacy API (functions rte_table_*) will be
+  deprecated in DPDK 23.07 release and removed in DPDK 23.11 release.
+  The new table library API (functions rte_swx_table_*) will gradually
+  transition from experimental to stable status starting with DPDK
+  23.11 release.
+
+* port: The port library legacy API (functions rte_port_*) will be
+  deprecated in DPDK 23.07 release and removed in DPDK 23.11 release.
+  The new port library API (functions rte_swx_port_*) will gradually
+  transition from experimental to stable status starting with DPDK
+  23.11 release.
-- 
2.34.1