ethdev: move egress metadata to dynamic field

[dpdk.git] / doc / guides / rel_notes / release_19_11.rst

diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst
index f429ea4..21dc3d2 100644 (file)
--- a/doc/guides/rel_notes/release_19_11.rst
+++ b/doc/guides/rel_notes/release_19_11.rst
@@ -86,6 +86,14 @@ New Features
 
   SET_TAG action and TAG item have been added to support transient flow tag.
 
+* **Extended metadata support in rte_flow.**
+
+  Flow metadata is extended to both Rx and Tx.
+
+  * Tx metadata can also be set by SET_META action of rte_flow.
+  * Rx metadata is delivered to host via a dynamic field of ``rte_mbuf`` with
+    PKT_RX_DYNF_METADATA.
+
 * **Updated the enic driver.**
 
   * Added support for Geneve with options offload.
@@ -384,6 +392,16 @@ API Changes
   If the intent is to iterate over ports, ``RTE_ETH_FOREACH_*`` macros
   are better port iterators.
 
+* ethdev: RTE_FLOW_ITEM_TYPE_META data endianness altered to host one.
+  Due to the new dynamic metadata field in mbuf is host-endian either, there
+  is the minor compatibility issue for applications in case of 32-bit values
+  supported.
+
+* ethdev: the tx_metadata mbuf field is moved to dymanic one.
+  PKT_TX_METADATA flag is replaced with PKT_TX_DYNF_METADATA.
+  DEV_TX_OFFLOAD_MATCH_METADATA offload flag is removed, now metadata
+  support in PMD is engaged on dynamic field registration.
+
 * event: The function ``rte_event_eth_tx_adapter_enqueue`` takes an additional
   input as ``flags``. Flag ``RTE_EVENT_ETH_TX_ADAPTER_ENQUEUE_SAME_DEST`` which
   has been introduced in this release is used when used when all the packets