Added ``rte_write32_wc`` and ``rte_write32_wc_relaxed`` APIs
that enable write combining stores (depending on architecture).
- The functions are provided as a generic stubs and
+ The functions are provided as a generic stub and
x86 specific implementation.
* **Added prefetch with intention to write APIs.**
* **Added the FEC API, for a generic FEC query and config.**
Added the FEC API which provides functions for query FEC capabilities and
- current FEC mode from device. Also, API for configuring FEC mode is also provided.
+ current FEC mode from device. An API for configuring FEC mode is also provided.
* **Added thread safety to rte_flow functions.**
- Added ``RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE`` device flag to indicate
- whether PMD supports thread safe operations. If PMD doesn't set the flag,
- rte_flow API level functions will protect the flow operations with mutex.
+ Added the ``RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE`` device flag to indicate
+ whether a PMD supports thread safe operations. If the PMD doesn't set the flag,
+ the rte_flow API level functions will protect the flow operations with a mutex.
* **Added flow-based traffic sampling support.**
- Added new action: ``RTE_FLOW_ACTION_TYPE_SAMPLE`` to duplicate the matching
- packets with specified ratio, and apply with own set of actions with a fate
- action. When the ratio is set to 1 then the packets will be 100% mirrored.
+ Added a new action ``RTE_FLOW_ACTION_TYPE_SAMPLE`` that will sample the
+ incoming traffic and send a duplicated traffic with the specified ratio to
+ the application, while the original packet will continue to the target
+ destination.
+
+ The packets sampling is '1/ratio'. A ratio value set to 1 means that the
+ packets will be completely mirrored. The sample packet can be assigned with
+ a different set of actions than the original packet.
* **Added support of shared action in flow API.**
- Added shared action support to utilize single flow action in multiple flow
- rules. An update of shared action configuration alters the behavior of all
+ Added shared action support to use single flow actions in multiple flow
+ rules. An update to the shared action configuration alters the behavior of all
flow rules using it.
- * Added new action: ``RTE_FLOW_ACTION_TYPE_SHARED`` to use shared action
- as flow action.
- * Added new flow APIs to create/update/destroy/query shared action.
+ * Added a new action: ``RTE_FLOW_ACTION_TYPE_SHARED`` to use shared action
+ as a flow action.
+ * Added new flow APIs to create/update/destroy/query shared actions.
-* **Flow rules allowed to use private PMD items / actions.**
+* **Added support to flow rules to allow private PMD items/actions.**
- * Flow rule verification was updated to accept private PMD
+ * Flow rule verification has been updated to accept private PMD
items and actions.
-* **Added generic API to offload tunneled traffic and restore missed packet.**
+* **Added a generic API to offload tunneled traffic and restore missed packets.**
- * Added a new hardware independent helper to flow API that
+ * Added a new hardware independent helper to the flow API that
offloads tunneled traffic and restores missed packets.
* **Updated the ethdev library to support hairpin between two ports.**
- New APIs are introduced to support binding / unbinding 2 ports hairpin.
- Hairpin Tx part flow rules can be inserted explicitly.
- New API is added to get the hairpin peer ports list.
+ New APIs have been introduced to support binding / unbinding of 2 ports in a
+ hairpin configuration. The hairpin Tx part flow rules can be inserted
+ explicitly. A new API has been added to get the hairpin peer ports list.
* **Updated the Amazon ena driver.**
* **Added hns3 FEC PMD, for supporting query and config FEC mode.**
- Added the FEC PMD which provides functions for query FEC capabilities and
- current FEC mode from device. Also, PMD for configuring FEC mode is also provided.
+ Added the FEC PMD which provides functions for querying FEC capabilities and
+ current FEC mode from a device. A PMD for configuring FEC mode is also provided.
-* **Updated Intel iavf driver.**
+* **Updated the Intel iavf driver.**
- Updated iavf PMD with new features and improvements, including:
+ Updated the iavf PMD with new features and improvements, including:
* Added support for flexible descriptor metadata extraction.
* Added support for outer IP hash of GTPC and GTPU.
* Added support of AVX512 instructions in Rx and Tx path.
* Added support for up to 256 queue pairs per VF.
+* **Updated Intel ixgbe driver.**
+
+ Updated the Intel ixgbe driver to use write combining stores.
+
+* **Updated Intel i40e driver.**
+
+ Updated the Intel i40e driver to use write combining stores.
+
* **Updated Intel ice driver.**
- * Used write combining stores.
- * Added ACL filter support for Intel DCF.
+ * Added support for write combining stores.
+ * Added ACL filter support for the Intel DCF.
* **Updated Mellanox mlx5 driver.**
- Updated Mellanox mlx5 driver with new features and improvements, including:
+ Updated the Mellanox mlx5 driver with new features and improvements, including:
* Added vectorized Multi-Packet Rx Queue burst.
* Added support for 2 new miniCQE formats: Flow Tag and L3/L4 header.
* Added support for the new VLAN fields ``has_vlan`` in the Ethernet item
and ``has_more_vlan`` in the VLAN item.
* Updated the supported timeout for Age action to the maximal value supported
- by rte_flow API.
- * Added support of Age action query.
- * Added support of multi-ports hairpin.
+ by the rte_flow API.
+ * Added support for Age action query.
+ * Added support for multi-ports hairpin.
* Allow unknown link speed.
Updated Mellanox mlx5 vDPA driver:
* **Updated Virtio driver.**
- * Added support for Vhost-vDPA backend to Virtio-user PMD.
+ * Added support for Vhost-vDPA backend to the Virtio-user PMD.
* Changed default link speed to unknown.
- * Added support for 200G link speed.
-
-* **Updated Intel i40e driver.**
-
- Updated the Intel i40e driver to use write combining stores.
-
-* **Updated Intel ixgbe driver.**
-
- Updated the Intel ixgbe driver to use write combining stores.
-
-* **Updated Intel qat driver.**
-
- Updated the Intel qat driver to use write combining stores.
+ * Added support for the 200G link speed.
* **Updated Memif PMD.**
- * Added support for abstract socket address.
+ * Added support for abstract socket addresses.
* Changed default socket address type to abstract.
-* **Added Ice Lake (Gen4) support for Intel NTB.**
-
- Added NTB device support (4th generation) for Intel Ice Lake platform.
-
* **Added UDP/IPv4 GRO support for VxLAN and non-VxLAN packets.**
For VxLAN packets, added inner UDP/IPv4 support.
For non-VxLAN packets, added UDP/IPv4 support.
-* **Extended flow-perf application.**
+* **Extended the flow-perf application.**
- * Started supporting user order instead of bit mask:
+ * Added support for user order instead of bit mask.
Now the user can create any structure of rte_flow
- using flow performance application with any order,
- moreover the app also now starts to support inner
+ using the flow performance application with any order.
+ Moreover the app also now starts to support inner
items matching as well.
* Added header modify actions.
* Added flag action.
* Added raw encap/decap actions.
* Added VXLAN encap/decap actions.
- * Added ICMP(code/type/identifier/sequence number) and ICMP6(code/type) matching items.
+ * Added ICMP (code/type/identifier/sequence number) and ICMP6 (code/type) matching items.
* Added option to set port mask for insertion/deletion:
``--portmask=N``
- where N represents the hexadecimal bitmask of ports used.
+ where N represents the hexadecimal bitmask of the ports used.
* **Added raw data-path APIs for cryptodev library.**
- Cryptodev is added with raw data-path APIs to accelerate external
- libraries or applications which need to avail fast cryptodev
- enqueue/dequeue operations but does not necessarily depends on
- mbufs and cryptodev operation mempools.
+ Added raw data-path APIs to Cryptodev to help accelerate external libraries
+ or applications which need to avail of fast cryptodev enqueue/dequeue
+ operations but which do not necessarily need to depend on mbufs and
+ cryptodev operation mempools.
* **Updated the aesni_mb crypto PMD.**
Added a symmetric crypto PMD for Broadcom FlexSparc crypto units.
See :doc:`../cryptodevs/bcmfs` guide for more details on this new PMD.
-* **Updated DPAA2_SEC crypto PMD.**
+* **Updated NXP DPAA2_SEC crypto PMD.**
* Added DES-CBC support for cipher_only, chain and ipsec protocol.
* Added support for non-HMAC auth algorithms
* Added AES-GCM support.
* Added cipher only offload support.
-* **Updated the OCTEON TX2 crypto PMD.**
+* **Updated Marvell OCTEON TX2 crypto PMD.**
* Updated the OCTEON TX2 crypto PMD lookaside protocol offload for IPsec with
IPv6 support.
-* **Updated QAT crypto PMD.**
+* **Updated Intel QAT PMD.**
* Added Raw Data-path APIs support.
+ * Added support for write combining stores.
* **Added Intel ACC100 bbdev PMD.**
* **Updated rte_security library to support SDAP.**
``rte_security_pdcp_xform`` in ``rte_security`` lib is updated to enable
- 5G NR processing of SDAP header in PMDs.
+ 5G NR processing of SDAP headers in PMDs.
* **Added Marvell OCTEON TX2 regex PMD.**
- Added a new PMD driver for hardware regex offload block for OCTEON TX2 SoC.
+ Added a new PMD driver for the hardware regex offload block for OCTEON TX2 SoC.
See the :doc:`../regexdevs/octeontx2` for more details.
* **Updated Software Eventdev driver.**
Added performance tuning arguments to allow tuning the scheduler for
- better throughtput in high core count use cases.
+ better throughput in high core count use cases.
* **Added a new driver for the Intel Dynamic Load Balancer v1.0 device.**
Added the new ``dlb2`` eventdev driver for the Intel DLB V2.0 device. See the
:doc:`../eventdevs/dlb2` eventdev guide for more details on this new driver.
-* **Updated ioat rawdev driver**
+* **Added Ice Lake (Gen4) support for Intel NTB.**
+
+ Added NTB device support (4th generation) for the Intel Ice Lake platform.
+
+* **Updated ioat rawdev driver.**
The ioat rawdev driver has been updated and enhanced. Changes include:
- * Added support for Intel\ |reg| Data Streaming Accelerator hardware.
- For more information, see https://01.org/blogs/2019/introducing-intel-data-streaming-accelerator
+ * Added support for Intel\ |reg| Data Streaming Accelerator hardware. For
+ more information, see `Introducing the Intel Data Streaming Accelerator
+ (Intel DSA)
+ <https://01.org/blogs/2019/introducing-intel-data-streaming-accelerator>`_.
* Added support for the fill operation via the API ``rte_ioat_enqueue_fill()``,
where the hardware fills an area of memory with a repeating pattern.
* Added a per-device configuration flag to disable management
and renamed the ``rte_ioat_completed_copies()`` API to ``rte_ioat_completed_ops()``
to better reflect the APIs' purposes, and remove the implication that
they are limited to copy operations only.
- [Note: The old API is still provided but marked as deprecated in the code]
+ Note: The old API is still provided but marked as deprecated in the code.
* Added a new API ``rte_ioat_fence()`` to add a fence between operations.
This API replaces the ``fence`` flag parameter in the ``rte_ioat_enqueue_copies()`` function,
and is clearer as there is no ambiguity as to whether the flag should be
* **Updated the pipeline library for alignment with the P4 language.**
- Added new Software Switch (SWX) pipeline type that provides more
- flexibility through API and feature alignment with the P4 language.
+ Added a new Software Switch (SWX) pipeline type that provides more
+ flexibility through APIs and feature alignment with the P4 language.
+ Some enhancements are:
* The packet headers, meta-data, actions, tables and pipelines are
- dynamically defined instead of selected from pre-defined set.
+ dynamically defined instead of selected from a pre-defined set.
* The actions and the pipeline are defined with instructions.
* Extern objects and functions can be plugged into the pipeline.
* Transaction-oriented table updates.
-* **Add new AVX512 specific classify algorithms for ACL library.**
+* **Added new AVX512 specific classify algorithms for ACL library.**
* Added new ``RTE_ACL_CLASSIFY_AVX512X16`` vector implementation,
which can process up to 16 flows in parallel. Requires AVX512 support.
* **Added support to update subport bandwidth dynamically.**
* Added new API ``rte_sched_port_subport_profile_add`` to add new
- subport bandwidth profile to subport porfile table at runtime.
+ subport bandwidth profiles to the subport profile table at runtime.
- * Added support to update subport rate dynamically.
+ * Added support to update the subport rate dynamically.
* **Updated FIPS validation sample application.**
* **Updated vhost sample application.**
- Added vhost asynchronous APIs support, which demonstrated how the application
- leverage IOAT DMA channel with vhost asynchronous APIs.
+ Added vhost asynchronous APIs support, which demonstrates how the application
+ can leverage IOAT DMA channels with vhost asynchronous APIs.
See the :doc:`../sample_app_ug/vhost` for more details.
Also, make sure to start the actual text at the margin.
=======================================================
-* build: Support for the Make build system was removed for compiling DPDK,
+* build: Support for the Make build system has been removed from DPDK.
Meson is now the primary build system.
Sample applications can still be built with Make standalone, using pkg-config.
* vhost: Dequeue zero-copy support has been removed.
* kernel: The module ``igb_uio`` has been moved to the git repository
- ``dpdk-kmods`` in a new directory ``linux/igb_uio``.
+ `dpdk-kmods <https://git.dpdk.org/dpdk-kmods/>`_ in a new directory
+ ``linux/igb_uio``.
-* Removed Python 2 support since it was EOL'd in January 2020.
+* Removed Python 2 support since it was sunsetted in January 2020. See
+ `Sunsetting Python 2 <https://www.python.org/doc/sunset-python-2/>`_
* Removed TEP termination sample application.
Also, make sure to start the actual text at the margin.
=======================================================
-* build macros: The macros defining ``RTE_MACHINE_CPUFLAG_*`` are removed.
- The information provided by these macros is available through standard
+* build macros: The macros defining ``RTE_MACHINE_CPUFLAG_*`` have been removed.
+ The information provided by these macros is now available through standard
compiler macros.
-* eal: Replaced the function ``rte_get_master_lcore()`` to
+* eal: Replaced the function ``rte_get_master_lcore()`` with
``rte_get_main_lcore()``. The old function is deprecated.
The iterator for worker lcores is also changed:
``RTE_LCORE_FOREACH_WORKER``.
* eal: The definitions related to including and excluding devices
- has been changed from blacklist/whitelist to block/allow list.
+ have been changed from blacklist/whitelist to block/allow list.
There are compatibility macros and command line mapping to accept
the old values but applications and scripts are strongly encouraged
to migrate to the new names.
* mem: Removed the unioned field ``phys_addr`` from
the structures ``rte_memseg`` and ``rte_memzone``.
- The field ``iova`` is remaining from the old unions.
+ The field ``iova`` remains from the old unions.
* mempool: Removed the unioned fields ``phys_addr`` and ``physaddr`` from
the structures ``rte_mempool_memhdr`` and ``rte_mempool_objhdr``.
- The field ``iova`` is remaining from the old unions.
+ The field ``iova`` remains from the old unions.
The flag name ``MEMPOOL_F_NO_PHYS_CONTIG`` is removed,
while the aliased flag ``MEMPOOL_F_NO_IOVA_CONTIG`` is kept.
having ``iova`` in their names instead of ``dma_addr`` or ``mtophys``.
* mbuf: Removed the unioned field ``buf_physaddr`` from ``rte_mbuf``.
- The field ``buf_iova`` is remaining from the old union.
+ The field ``buf_iova`` remains from the old union.
* mbuf: Removed the unioned field ``refcnt_atomic`` from
the structures ``rte_mbuf`` and ``rte_mbuf_ext_shared_info``.
- The field ``refcnt`` is remaining from the old unions.
+ The field ``refcnt`` remains from the old unions.
* mbuf: Removed the unioned fields ``userdata`` and ``udata64``
from the structure ``rte_mbuf``. It is replaced with dynamic fields.
* ethdev: Modified field type of ``base`` and ``nb_queue`` in struct
``rte_eth_dcb_tc_queue_mapping`` from ``uint8_t`` to ``uint16_t``.
- As the data of ``uint8_t`` will be truncated when queue number under
+ As the data of ``uint8_t`` will be truncated when queue number in
a TC is greater than 256.
* ethdev: Removed the legacy filter API, including
instead of ``rte_vhost_driver_start`` by crypto applications.
* cryptodev: The structure ``rte_crypto_sym_vec`` is updated to support both
- cpu_crypto synchrounous operation and asynchronous raw data-path APIs.
+ cpu_crypto synchronous operations and asynchronous raw data-path APIs.
* cryptodev: ``RTE_CRYPTO_AEAD_LIST_END`` from ``enum rte_crypto_aead_algorithm``,
``RTE_CRYPTO_CIPHER_LIST_END`` from ``enum rte_crypto_cipher_algorithm`` and
``RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES`` to
``RTE_CRYPTODEV_SCHEDULER_MAX_NB_WORKERS``.
-* security: ``hfn_ovrd`` field in ``rte_security_pdcp_xform`` is changed from
+* security: The ``hfn_ovrd`` field in ``rte_security_pdcp_xform`` is changed from
``uint32_t`` to ``uint8_t`` so that a new field ``sdap_enabled`` can be added
to support SDAP.
* security: The API ``rte_security_session_create`` is updated to take two
- mempool objects one for session and other for session private data.
+ mempool objects: one for session and other for session private data.
So the application need to create two mempools and get the size of session
private data using API ``rte_security_session_get_size`` for private session
mempool.
* ``pkt`` is not freed, no matter whether it is GSOed, leaving to the caller.
* acl: ``RTE_ACL_CLASSIFY_NUM`` enum value has been removed.
- This enum value was not used inside DPDK, while it prevented to add new
+ This enum value was not used inside DPDK, while it prevented the addition of new
classify algorithms without causing an ABI breakage.
-* sched: Added ``subport_profile_id`` as argument
+* sched: Added ``subport_profile_id`` as an argument
to function ``rte_sched_subport_config``.
* sched: Removed ``tb_rate``, ``tc_rate``, ``tc_period`` and ``tb_size``
Also, make sure to start the actual text at the margin.
=======================================================
-* eal: Removed the not implemented function ``rte_dump_registers()``.
+* eal: Removed the unimplemented function ``rte_dump_registers()``.
* ``ethdev`` changes
- * Following device operation function pointers moved
+ * The following device operation function pointers moved
from ``struct eth_dev_ops`` to ``struct rte_eth_dev``:
* ``eth_rx_queue_count_t rx_queue_count;``
* ``eth_rx_descriptor_status_t rx_descriptor_status;``
* ``eth_tx_descriptor_status_t tx_descriptor_status;``
- * ``struct eth_dev_ops`` is no more accessible by applications,
- which was already internal data structure.
+ * ``struct eth_dev_ops`` is no longer accessible by applications,
+ which was already an internal data structure.
* ``ethdev`` internal functions are marked with ``__rte_internal`` tag.
* Added new field ``has_vlan`` to structure ``rte_flow_item_eth``,
indicating that packet header contains at least one VLAN.
- * Added new field ``has_more_vlan`` to structure
+ * Added new field ``has_more_vlan`` to the structure
``rte_flow_item_vlan``, indicating that packet header contains
at least one more VLAN, after this VLAN.
-* eventdev: Following structures are modified to support DLB/DLB2 PMDs
+* eventdev: The following structures are modified to support DLB/DLB2 PMDs
and future extensions:
* ``rte_event_dev_info``
``rte_lpm``. The removed fields were made internal.
-Known Issues
-------------
-
-.. This section should contain new known issues in this release. Sample format:
-
- * **Add title in present tense with full stop.**
-
- Add a short 1-2 sentence description of the known issue
- in the present tense. Add information on any known workarounds.
-
- This section is a comment. Do not overwrite or remove it.
- Also, make sure to start the actual text at the margin.
- =======================================================
-
-
Tested Platforms
----------------
git.droids-corp.org / dpdk.git / commitdiff