[PATCH] doc: announce ethdev operation struct changes

[Feifei Wang <feifei.wang2@arm.com>]

To support mbufs recycle mode, announce the coming ABI changes
from DPDK 23.11.

Signed-off-by: Feifei Wang <feifei.wang2@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.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 66431789b0..c7e1ffafb2 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -118,6 +118,10 @@ Deprecation Notices
   The legacy actions should be removed
   once ``MODIFY_FIELD`` alternative is implemented in drivers.
 
+* ethdev: The Ethernet device data structure ``struct rte_eth_dev`` and
+  the fast-path ethdev flat array ``struct rte_eth_fp_ops`` will be updated
+  with new fields to support mbufs recycle mode from DPDK 23.11.
+
 * cryptodev: The function ``rte_cryptodev_cb_fn`` will be updated
   to have another parameter ``qp_id`` to return the queue pair ID
   which got error interrupt to the application,
-- 
2.25.1