[PATCH] doc: deprecation notice to add new hash function

[Xueming Li]

Deprecation notice to annouce new RSS hash function type.
The new symmetric hash function sort L3 address and L4 ports
before Toeplitz calculation.

Signed-off-by: Xueming Li <xuemingl at nvidia.com>
---
 doc/guides/rel_notes/deprecation.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index dcc1ca1696..fc988c3bfe 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -163,3 +163,7 @@ Deprecation Notices
   The new port library API (functions rte_swx_port_*)
   will gradually transition from experimental to stable status
   starting with DPDK 23.07 release.
+
+* ethdev: The enum ``rte_eth_hash_function`` will be extended to add
+  new subtype value ``RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ_SORT`` in
+  DPDK 23.11.
-- 
2.25.1