doc: announce ABI change for port library

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
Acked-by: Jasvinder Singh <jasvinder.singh@intel.com>
Acked-by: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>
Acked-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 5cf01a4..2ea03b3 100644 (file)
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -74,3 +74,8 @@ Deprecation Notices
 * librte_cfgfile: In order to allow for longer names and values,
   the value of macros CFG_NAME_LEN and CFG_NAME_VAL will be increased.
   Most likely, the new values will be 64 and 256, respectively.
+
+* librte_port: Macros to access the packet meta-data stored within the
+  packet buffer will be adjusted to cover the packet mbuf structure as well,
+  as currently they are able to access any packet buffer location except the
+  packet mbuf structure.