[RFC 21/21] doc: add release not about rte_ethdev changes

[Stephen Hemminger <stephen@networkplumber.org>]

The changes to rte_ethdev are visible to applications.
This may require straight forward include file changes.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 doc/guides/rel_notes/release_26_11.rst | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/doc/guides/rel_notes/release_26_11.rst b/doc/guides/rel_notes/release_26_11.rst
index c8cc86295d..ae130852b6 100644
--- a/doc/guides/rel_notes/release_26_11.rst
+++ b/doc/guides/rel_notes/release_26_11.rst
@@ -77,6 +77,12 @@ Removed Items
     ``rte_rib6_is_equal``
   * table: ``RTE_LPM_IPV6_ADDR_SIZE``
 
+* Experimental flow director related API's have been removed:
+
+  * Testpmd: ``show port fdir``
+  * 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``
+
 
 API Changes
 -----------
@@ -93,6 +99,13 @@ 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``.
+  * Network headers ``rte_ip.h``, ``rte_udp.h``, ``rte_tcp.h`` and ``rte_sctp.h``
+    are no longer indirectly included by ``rte_ethdev.h``.
+  * Legacy flow director definitions are no longer included by ``rte_ethdev.h``.
+
 
 ABI Changes
 -----------
-- 
2.53.0