doc: add known issue with mbuf segment

[dpdk.git] / doc / guides / rel_notes / deprecation.rst

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 26a73f3..6907358 100644 (file)
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -150,6 +150,12 @@ Deprecation Notices
 * net: ``s_addr`` and ``d_addr`` fields of ``rte_ether_hdr`` structure
   will be renamed in DPDK 21.11 to avoid conflict with Windows Sockets headers.
 
+* net: The structure ``rte_ipv4_hdr`` will have two unions.
+  The first union is for existing ``version_ihl`` byte
+  and new bitfield for version and IHL.
+  The second union is for existing ``fragment_offset``
+  and new bitfield for fragment flags and offset.
+
 * compressdev: ``min`` and ``max`` fields of ``rte_param_log2_range`` structure
   will be renamed in DPDK 21.11 to avoid conflict with Windows Sockets headers.
 
@@ -160,6 +166,20 @@ Deprecation Notices
   has a limited size ``uint16_t``.
   It will be moved and extended as ``uint32_t`` in DPDK 21.11.
 
+* cryptodev: The interface between library and drivers will be marked
+  as internal in DPDK 21.11.
+
+* eventdev: The file ``rte_eventdev_pmd.h`` will be renamed to ``eventdev_driver.h``
+  to make the driver interface as internal and the structures ``rte_eventdev_data``,
+  ``rte_eventdev`` and ``rte_eventdevs`` will be moved to a new file named
+  ``rte_eventdev_core.h`` in DPDK 21.11.
+  The ``rte_`` prefix for internal structures and functions will be removed across the
+  library.
+  The experimental eventdev trace APIs and ``rte_event_vector_pool_create``,
+  ``rte_event_eth_rx_adapter_vector_limits_get`` will be promoted to stable.
+  An 8-byte reserved field will be added to the structure ``rte_event_timer`` to
+  support future extensions.
+
 * eventdev: The structure ``rte_event_eth_rx_adapter_queue_conf`` will be
   extended to include ``rte_event_eth_rx_adapter_event_vector_config`` elements
   and the function ``rte_event_eth_rx_adapter_queue_event_vector_config`` will
@@ -179,3 +199,8 @@ Deprecation Notices
 * security: The functions ``rte_security_set_pkt_metadata`` and
   ``rte_security_get_userdata`` will be made inline functions and additional
   flags will be added in structure ``rte_security_ctx`` in DPDK 21.11.
+
+* cryptodev: The structure ``rte_crypto_op`` would be updated to reduce
+  reserved bytes to 2 (from 3), and use 1 byte to indicate warnings and other
+  information from the crypto/security operation. This field will be used to
+  communicate events such as soft expiry with IPsec in lookaside mode.