operations.
* Added multi-process support.
+* **Added IDXD dmadev driver implementation.**
+
+ The IDXD dmadev driver provide device drivers for the Intel DSA devices.
+ This device driver can be used through the generic dmadev API.
+
+* **Added IOAT dmadev driver implementation.**
+
+ The Intel I/O Acceleration Technology (IOAT) dmadev driver provides a device
+ driver for Intel IOAT devices such as Crystal Beach DMA (CBDMA) on Ice Lake,
+ Skylake and Broadwell. This device driver can be used through the generic dmadev API.
+
* **Added support to get all MAC addresses of a device.**
Added ``rte_eth_macaddrs_get`` to allow user to retrieve all Ethernet
Added macros ETH_RSS_IPV4_CHKSUM and ETH_RSS_L4_CHKSUM, now IPv4 and
TCP/UDP/SCTP header checksum field can be used as input set for RSS.
+* **Added L2TPv2 and PPP protocol support in flow API.**
+
+ Added flow pattern items and header formats of L2TPv2 and PPP protocol.
+
+* **Added flow flex item.**
+
+ The configurable flow flex item provides the capability to introduce
+ an arbitrary user-specified network protocol header,
+ configure the hardware accordingly, and perform match on this header
+ with desired patterns and masks.
+
* **Added ethdev support to control delivery of Rx metadata from the HW to the PMD.**
A new API, ``rte_eth_rx_metadata_negotiate()``, was added.
* ``RTE_ETH_RX_METADATA_USER_MARK``
* ``RTE_ETH_RX_METADATA_TUNNEL_ID``
+* **Added an API to get a proxy port to manage "transfer" flows.**
+
+ A new API, ``rte_flow_pick_transfer_proxy()``, was added.
+
* **Updated af_packet ethdev driver.**
* Default VLAN strip behavior was changed. VLAN tag won't be stripped
unless ``DEV_RX_OFFLOAD_VLAN_STRIP`` offload is enabled.
+* **Added API to get device configuration in ethdev.**
+
+ Added an ethdev API which can help users get device configuration.
+
* **Updated AF_XDP PMD.**
* Disabled secondary process support.
+* **Updated Amazon ENA PMD.**
+
+ Updated the Amazon ENA PMD. The new driver version (v2.5.0) introduced
+ bug fixes and improvements, including:
+
+ * Support for the tx_free_thresh and rx_free_thresh configuration parameters.
+ * NUMA aware allocations for the queue helper structures.
+ * Watchdog's feature which is checking for missing Tx completions.
+
* **Updated Broadcom bnxt PMD.**
* Added flow offload support for Thor.
* Implement support for tunnel offload.
* Updated HWRM API to version 1.10.2.44
+* **Updated Intel e1000 emulated driver.**
+
+ * Added Intel e1000 support on Windows.
+
* **Updated Intel iavf driver.**
* Added Intel iavf support on Windows.
* Added IPv4 and L4 (TCP/UDP/SCTP) checksum hash support in RSS flow.
+ * Added PPPoL2TPv2oUDP RSS hash based on inner IP address and TCP/UDP port.
* **Updated Intel ice driver.**
* Added rte_tm support.
* Added support for Inline IPsec for CN9K event mode and CN10K
poll mode and event mode.
+ * Added support for ingress meter for CN10K platform.
* **Updated Mellanox mlx5 driver.**
Updated the Solarflare ``sfc_efx`` driver with changes including:
* Added port representors support on SN1000 SmartNICs
+ * Added flow API transfer proxy support
* **Updated Marvell cnxk crypto PMD.**
* Added tests to verify tunnel header verification in IPsec inbound.
* Added tests to verify inner checksum.
+* **Revised packet capture framework.**
+
+ * New dpdk-dumpcap program that has most of the features
+ of the wireshark dumpcap utility including:
+ capture of multiple interfaces, filtering,
+ and stopping after number of bytes, packets.
+ * New library for writing pcapng packet capture files.
+ * Enhancements to the pdump library to support:
+ * Packet filter with BPF.
+ * Pcapng format with timestamps and meta-data.
+ * Fixes packet capture with stripped VLAN tags.
+
Removed Items
-------------
removed. Its usages have been replaced by a new function
``rte_kvargs_get_with_value()``.
+* cmdline: ``cmdline_stdin_exit()`` now frees the ``cmdline`` structure.
+ Calls to ``cmdline_free()`` after it need to be deleted from applications.
+
+* cmdline: Made ``cmdline`` structure definition hidden on Linux and FreeBSD.
+
+* cmdline: Made ``rdline`` structure definition hidden. Functions are added
+ to dynamically allocate and free it, and to access user data in callbacks.
+
* mempool: Added ``RTE_MEMPOOL_F_NON_IO`` flag to give a hint to DPDK components
that objects from this pool will not be used for device IO (e.g. DMA).
* net: Renamed ``s_addr`` and ``d_addr`` fields of ``rte_ether_hdr`` structure
to ``src_addr`` and ``dst_addr``, respectively.
-* ethdev: Added item ``PORT_REPRESENTOR`` to flow API.
+* net: Added ``version`` and ``ihl`` bit-fields to ``struct rte_ipv4_hdr``.
+ Existing ``version_ihl`` field is kept for backward compatibility.
+
+* ethdev: Added items and actions ``PORT_REPRESENTOR``, ``REPRESENTED_PORT`` to
+ flow API.
+
+* ethdev: Deprecated items and actions ``PF``, ``VF``, ``PHY_PORT``, ``PORT_ID``.
+ Suggested items and actions ``PORT_REPRESENTOR``, ``REPRESENTED_PORT`` instead.
+
+* ethdev: Deprecated the use of attributes ``ingress`` / ``egress`` combined
+ with ``transfer``. See items ``PORT_REPRESENTOR``, ``REPRESENTED_PORT``.
+
+* ethdev: ``rte_flow_action_modify_data`` structure updated, immediate data
+ array is extended, data pointer field is explicitly added to union, the
+ action behavior is defined in more strict fashion and documentation updated.
+ The immediate value behavior has been changed, the entire immediate field
+ should be provided, and offset for immediate source bitfield is assigned
+ from destination one.
* cryptodev: The API rte_cryptodev_pmd_is_valid_dev is modified to
rte_cryptodev_is_valid_dev as it can be used by the application as
* bbdev: Added device info related to data byte endianness processing.
+* eventdev: Moved memory used by timer adapters to hugepage. This will prevent
+ TLB misses if any and aligns to memory structure of other subsystems.
+
ABI Changes
-----------
* bbdev: Added capability related to more comprehensive CRC options,
shifting values of the ``enum rte_bbdev_op_ldpcdec_flag_bitmasks``.
+* eventdev: New variables ``rx_event_buf_count`` and ``rx_event_buf_size``
+ were added in structure ``rte_event_eth_rx_adapter_stats`` to get additional
+ status.
+
+* eventdev: A new structure ``rte_event_fp_ops`` has been added which is now used
+ by the fastpath inline functions. The structures ``rte_eventdev``,
+ ``rte_eventdev_data`` have been made internal. ``rte_eventdevs[]`` can't be
+ accessed directly by user any more. This change is transparent to both
+ applications and PMDs.
+
+* eventdev: Re-arranged fields in ``rte_event_timer`` to remove holes.
+
Known Issues
------------
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