doc: announce control mbuf removal

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index d59ad59..9a91147 100644 (file)
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -59,3 +59,10 @@ Deprecation Notices
   be added between the producer and consumer structures. The size of the
   structure and the offset of the fields will remain the same on
   platforms with 64B cache line, but will change on other platforms.
+
+* mbuf: The control mbuf API (``rte_ctrlmbuf_init()`` function,
+  ``rte_ctrlmbuf_alloc()`` macro, ``rte_ctrlmbuf_free()`` macro,
+  ``rte_ctrlmbuf_data()`` macro, ``rte_ctrlmbuf_len()`` macro,
+  ``rte_is_ctrlmbuf()`` macro and ``CTRL_MBUF_FLAG`` macro) will be
+  removed in v18.05. The packet mbuf API should be used as a
+  replacement.