[PATCH v4 23/23] doc: add release note about rte_ethdev changes

The changes to rte_ethdev are visible to applications,
which may need to include some network headers directly.

Signed-off-by: Stephen Hemminger <[email protected]>
---
 doc/guides/rel_notes/release_26_11.rst | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/doc/guides/rel_notes/release_26_11.rst b/doc/guides/rel_notes/release_26_11.rst
index c8cc86295d..3749cbd456 100644
--- a/doc/guides/rel_notes/release_26_11.rst
+++ b/doc/guides/rel_notes/release_26_11.rst
@@ -77,6 +77,21 @@ Removed Items
     ``rte_rib6_is_equal``
   * table: ``RTE_LPM_IPV6_ADDR_SIZE``
 
+* Removed legacy flow director related API and files.
+
+  * Removed experimental APIs in:
+
+    * ixgbe: ``rte_pmd_ixgbe_get_fdir_info``, ``rte_pmd_ixgbe_get_fdir_stats``
+    * i40e: ``rte_pmd_i40e_get_fdir_info``, ``rte_pmd_i40e_get_fdir_stats``
+
+  * Removed testpmd commands:
+
+    The ``fdir`` option in ``show port`` and ``clear port`` were removed.
+
+  * Removed file ``rte_eth_ctrl.h``.
+    Drivers that still require FDIR related structures now use ``ethdev_fdir.h``
+    in driver SDK.
+
 
 API Changes
 -----------
@@ -93,6 +108,15 @@ API Changes
    Also, make sure to start the actual text at the margin.
    =======================================================
 
+* **Changed ethdev include files.**
+
+  * Dropped inclusion of ``rte_flow.h`` in ``rte_ethdev.h``.
+    Applications using flow API should include it directly.
+  * Network headers ``rte_ip.h``, ``rte_udp.h``, ``rte_tcp.h`` and ``rte_sctp.h``
+    are no longer indirectly included by ``rte_ethdev.h``.
+    Applications should include network headers as needed.
+  * Legacy flow director definitions are no longer included by ``rte_ethdev.h``.
+
 
 ABI Changes
 -----------
-- 
2.53.0