* **Extended port_id range from uint8_t to uint16_t.**
- Increased port_id range from 8 bits to 16 bits in order to support more than
- 256 ports in dpdk. All ethdev APIs which have port_id as parameter are changed
- in the meantime.
+ Increased the ``port_id`` range from 8 bits to 16 bits in order to support
+ more than 256 ports in DPDK. All ethdev APIs which have ``port_id`` as
+ parameter have been changed.
* **Modified the return type of rte_eth_stats_reset.**
- Changed return type of ``rte_eth_stats_reset`` from ``void`` to ``int``
- so the caller may know whether a device supports the operation or not
+ Changed return type of ``rte_eth_stats_reset`` from ``void`` to ``int`` so
+ that the caller can determine whether a device supports the operation or not
and if the operation was carried out.
* **Added a new driver for Marvell Armada 7k/8k devices.**
- Added the new mrvl net driver for Marvell Armada 7k/8k devices. See the
- "Network Interface Controller Drivers" document for more details on this new
- driver.
+ Added the new ``mrvl`` net driver for Marvell Armada 7k/8k devices. See the
+ :doc:`../nics/mrvl` NIC guide for more details on this new driver.
* **Updated mlx4 driver.**
Updated the mlx5 driver including the following changes:
- * Enabled PMD to run on top of upstream linux kernel and rdma-core libs.
- By that removed the dependency on specific Mellanox OFED libraries.
+ * Enabled the PMD to run on top of upstream Linux kernel and rdma-core
+ libs, removing the dependency on specific Mellanox OFED libraries.
* Improved PMD latency performance.
* Improved PMD memory footprint.
- * Supported vectorized Rx/Tx burst for ARMv8.
- * Supported secondary process.
- * Supported flow counters.
- * Supported Rx hardware timestamp offload.
- * Supported device removal event.
+ * Added support for vectorized Rx/Tx burst for ARMv8.
+ * Added support for secondary process.
+ * Added support for flow counters.
+ * Added support for Rx hardware timestamp offload.
+ * Added support for device removal event.
* **Added SoftNIC PMD.**
- Added new SoftNIC PMD. This virtual device offers applications a software
- fallback support for traffic management.
+ Added a new SoftNIC PMD. This virtual device provides applications with
+ software fallback support for traffic management.
* **Added support for NXP DPAA Devices.**
* DPAA Mempool driver for supporting offloaded packet memory pool
* DPAA PMD for DPAA devices
- See the "Network Interface Controller Drivers" document for more details of
- this new driver.
+ See the :doc:`../nics/dpaa` document for more details of this new driver.
* **Updated support for Cavium OCTEONTX Device.**
- Updated support for Cavium's OCTEONTX device(CN83xx). This includes:
+ Updated support for Cavium's OCTEONTX device (CN83xx). This includes:
* OCTEONTX Mempool driver for supporting offloaded packet memory pool
* OCTEONTX Ethdev PMD
* OCTEONTX Eventdev-Ethdev Rx adapter
- See the "Network Interface Controller Drivers" document for more details of
- this new driver.
+ See the :doc:`../nics/octeontx` document for more details of this new driver.
-* **nfp: Added PF support.**
+* **Added PF support to the Netronome NFP PMD.**
- Previously Netronome's NFP PMD had just support for VFs. PF support is
- just as a basic DPDK port and has no VF management yet.
+ Added PF support to the Netronome NFP PMD. Previously the NFP PMD only
+ supported VFs. PF support is just as a basic DPDK port and has no VF
+ management yet.
PF support comes with firmware upload support which allows the PMD to
independently work from kernel netdev NFP drivers.
* Support for Flow API
* Support for Tx and Rx descriptor status functions
-* **Add bus agnostic functions to cryptodev for PMD initialisation**
+* **Added bus agnostic functions to cryptodev for PMD initialization**
- Adds new PMD assist functions ``rte_cryptodev_pmd_parse_input_args()``,
- ``rte_cryptodev_pmd_create()`` and ``rte_cryptodev_pmd_destroy()`` which
- are bus independent for driver to manage creation and destruction of new
- device instances.
+ Added new PMD assist, bus independent, functions
+ ``rte_cryptodev_pmd_parse_input_args()``, ``rte_cryptodev_pmd_create()`` and
+ ``rte_cryptodev_pmd_destroy()`` for drivers to manage creation and
+ destruction of new device instances.
* **Updated QAT crypto PMD.**
- Performance enhancements:
+ Added several performance enhancements:
* Removed atomics from the internal queue pair structure.
- * Coalesce writes to HEAD CSR on response processing.
- * Coalesce writes to TAIL CSR on request processing.
+ * Added coalesce writes to HEAD CSR on response processing.
+ * Added coalesce writes to TAIL CSR on request processing.
- Additional support for:
-
- * AES CCM algorithm.
+ In addition support was added for the AES CCM algorithm.
* **Updated the AESNI MB PMD.**
The AESNI MB PMD has been updated with additional support for:
- * DES CBC algorithm.
- * DES DOCSIS BPI algorithm.
+ * The DES CBC algorithm.
+ * The DES DOCSIS BPI algorithm.
- This requires the IPSec Multi-buffer library 0.47. For more details,
- check out the AESNI MB PMD documenation.
+ This change requires version 0.47 of the IPSec Multi-buffer library. For
+ more details see the :doc:`../cryptodevs/aesni_mb` documentation.
* **Updated the OpenSSL PMD.**
The OpenSSL PMD has been updated with additional support for:
- * DES CBC algorithm.
- * AES CCM algorithm.
+ * The DES CBC algorithm.
+ * The AES CCM algorithm.
* **Added NXP DPAA SEC crypto PMD.**
- A new "dpaa_sec" hardware based crypto PMD for NXP DPAA devices has been
- added. See the "Crypto Device Drivers" document for more details on this
- driver.
+ A new ``dpaa_sec`` hardware based crypto PMD for NXP DPAA devices has been
+ added. See the :doc:`../cryptodevs/dpaa_sec` document for more details.
* **Added MRVL crypto PMD.**
A new crypto PMD has been added, which provides several ciphering and hashing
algorithms. All cryptography operations use the MUSDK library crypto API.
+ See the :doc:`../cryptodevs/mrvl` document for more details.
* **Add new benchmarking mode to dpdk-test-crypto-perf application.**
- Added new "PMD cyclecount" benchmark mode to dpdk-test-crypto-perf application
- that displays more detailed breakdown of CPU cycles used by hardware
+ Added a new "PMD cyclecount" benchmark mode to the ``dpdk-test-crypto-perf``
+ application to display a detailed breakdown of CPU cycles used by hardware
acceleration.
* **Added the Security Offload Library.**
- Added an experimental library - rte_security. It provide security APIs for
- protocols like IPSec using inline ipsec offload to ethernet device or full
- protocol offload with lookaside crypto device.
+ Added an experimental library - ``rte_security``. This provide security APIs
+ for protocols like IPSec using inline ipsec offload to ethernet devices or
+ full protocol offload with lookaside crypto devices.
- See the "Security_Library" section of the DPDK Programmers Guide document,
- for more information.
+ See the :doc:`../prog_guide/rte_security` section of the DPDK Programmers
+ Guide document for more information.
-* **Updated DPAA2_SEC crypto driver.**
+* **Updated the DPAA2_SEC crypto driver to support rte_security.**
- Updated dpaa2_sec crypto PMD to support rte_security lookaside protocol
- offload for IPSec.
+ Updated the ``dpaa2_sec`` crypto PMD to support ``rte_security`` lookaside
+ protocol offload for IPSec.
-* **Updated IXGBE ethernet driver.**
+* **Updated the IXGBE ethernet driver to support rte_security.**
- Updated ixgbe ethernet PMD to support rte_security inline IPSec offload.
+ Updated ixgbe ethernet PMD to support ``rte_security`` inline IPSec offload.
-* **Updated ipsec-secgw application**
+* **Updated ipsec-secgw application to support rte_security.**
- Updated ipsec-secgw sample application to support rte_security actions for
- ipsec inline and full protocol offload using lookaside crypto offload.
+ Updated the ``ipsec-secgw`` sample application to support ``rte_security``
+ actions for ipsec inline and full protocol offload using lookaside crypto
+ offload.
* **Added IOMMU support to libvhost-user**
- Implemented device IOTLB in Vhost-user backend, and enabled Virtio's IOMMU
- feature. The feature is disabled by default, and can be enabled by setting
- RTE_VHOST_USER_IOMMU_SUPPORT flag at vhost device registration time.
+ Implemented device IOTLB in the Vhost-user backend, and enabled Virtio's
+ IOMMU feature. The feature is disabled by default, and can be enabled by
+ setting ``RTE_VHOST_USER_IOMMU_SUPPORT`` flag at vhost device registration
+ time.
* **Added the Event Ethernet Adapter Library.**
- Added the Event Ethernet Adapter library. It provices APIs for
- eventdev applications to configure the ethdev to eventdev packet flow.
+ Added the Event Ethernet Adapter library. This library provides APIs for
+ eventdev applications to configure the ethdev for eventdev packet flow.
-* **Updated DPAA2 Event PMD.**
+* **Updated DPAA2 Event PMD for the Event Ethernet Adapter.**
- Added support for eventdev ethernet adapter for DPAA2.
+ Added support for the eventdev ethernet adapter for DPAA2.
* **Added Membership library (rte_member).**
- Added membership library. It provides an API for DPDK applications to insert a
- new member, delete an existing member, or query the existence of a member in a
- given set, or a group of sets. For the case of a group of sets the library
- will return not only whether the element has been inserted before in one of
- the sets but also which set it belongs to.
+ Added a new data structure library called the Membership Library.
The Membership Library is an extension and generalization of a traditional
- filter (for example Bloom Filter) structure that has multiple usages in a wide
- variety of workloads and applications. In general, the Membership Library is a
- data structure that provides a “set-summary” and responds to set-membership
- queries whether a certain member belongs to a set(s).
+ filter (for example Bloom Filter) structure that has multiple usages in a
+ wide variety of workloads and applications. In general, the Membership
+ Library is a data structure that provides a "set-summary" and responds to
+ set-membership queries whether a certain member belongs to a set(s).
+
+ The library provides APIs for DPDK applications to insert a new member,
+ delete an existing member, and query the existence of a member in a given
+ set, or a group of sets. For the case of a group of sets the library will
+ return not only whether the element has been inserted in one of the sets but
+ also which set it belongs to.
- See the :ref:`Membership Library <Member_Library>` documentation in
- the Programmers Guide document, for more information.
+ See the :doc:`../prog_guide/member_lib` documentation in the Programmers
+ Guide, for more information.
* **Added the Generic Segmentation Offload Library.**
* **Added the Flow Classification Library.**
- Added the Flow Classification library, it provides an API for DPDK
- applications to classify an input packet by matching it against a set of flow
- rules. It uses the librte_table API to manage the flow rules.
+ Added an experimental Flow Classification library to provide APIs for DPDK
+ applications to classify an input packet by matching it against a set of
+ flow rules. It uses the ``librte_table`` API to manage the flow rules.
Resolved Issues
=========================================================
-EAL
-~~~
-
* **Service core fails to call service callback due to atomic lock**
In a specific configuration of multi-thread unsafe services and service
looked like another thread was executing the service callback. The logic for
atomic locking of the services has been fixed and refactored for readability.
-Drivers
-~~~~~~~
-
-
-Libraries
-~~~~~~~~~
-
-
-Examples
-~~~~~~~~
-
-
-Other
-~~~~~
-
-
-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.
- =========================================================
-
API Changes
-----------
Also, make sure to start the actual text at the margin.
=========================================================
-* **Ethdev device name length increased**
+* **Ethdev device name length increased.**
- The size of internal device name is increased to 64 characters
- to allow for storing longer bus specific name.
+ The size of internal device name has been increased to 64 characters
+ to allow for storing longer bus specific names.
-* **Ethdev flag RTE_ETH_DEV_DETACHABLE was removed**
+* **Removed the Ethdev RTE_ETH_DEV_DETACHABLE flag.**
- This flag is not necessary anymore, with the new hotplug implementation.
- It is now removed from the ether library. Its semantic is expressed at the bus
- and PMD level.
+ Removed the Ethdev ``RTE_ETH_DEV_DETACHABLE`` flag. This flag is not
+ required anymore, with the new hotplug implementation. It has been removed
+ from the ether library. Its semantics are now expressed at the bus and PMD
+ level.
* **Service cores API updated for usability**
- The service cores API has been changed, removing pointers from the API
- where possible, instead using integer IDs to identify each service. This
- simplifed application code, aids debugging, and provides better
+ The service cores API has been changed, removing pointers from the API where
+ possible, and instead using integer IDs to identify each service. This
+ simplifies application code, aids debugging, and provides better
encapsulation. A summary of the main changes made is as follows:
* Services identified by ID not by ``rte_service_spec`` pointer
* Reduced API surface by using ``set`` functions instead of enable/disable
* Reworked ``rte_service_register`` to provide the service ID to registrar
- * Rework start and stop APIs into ``rte_service_runstate_set``
- * Added API to set runstate of service implementation to indicate readyness
+ * Reworked start and stop APIs into ``rte_service_runstate_set``
+ * Added API to set runstate of service implementation to indicate readiness
-* **The following changes made in mempool library**
+* **The following changes have been made in the mempool library**
- * Moved ``flags`` datatype from int to unsigned int for ``rte_mempool``.
+ * Moved ``flags`` datatype from ``int`` to ``unsigned int`` for
+ ``rte_mempool``.
* Removed ``__rte_unused int flag`` param from ``rte_mempool_generic_put``
and ``rte_mempool_generic_get`` API.
* Added ``flags`` param in ``rte_mempool_xmem_size`` and
``rte_mempool_xmem_usage``.
+ * ``rte_mem_phy2mch`` was used in Xen dom0 to obtain the physical address;
+ remove this API as Xen dom0 support was removed.
-* ``rte_mem_phy2mch`` was used in Xen dom0 to obtain the physical address;
- remove this API as Xen dom0 support was removed.
+* **Added IOVA aliases related to physical address handling.**
-* **Some data type, structure members and functions related to physical address
- are deprecated and have new alias with IOVA wording.**
+ Some data types, structure members and functions related to physical address
+ handling are deprecated and have new aliases with IOVA wording. For example:
* ``phys_addr_t`` can be often replaced by ``rte_iova_t`` of same size.
* ``RTE_BAD_PHYS_ADDR`` is often replaced by ``RTE_BAD_IOVA`` of same value.
* ``rte_mem_virt2phy()`` can often be replaced by ``rte_mem_virt2iova``.
* ``rte_malloc_virt2phy`` is aliased with ``rte_malloc_virt2iova``.
* ``rte_memzone.phys_addr`` is aliased with ``rte_memzone.iova``.
- * ``rte_mempool_objhdr.physaddr`` is aliased with ``rte_mempool_objhdr.iova``.
- * ``rte_mempool_memhdr.phys_addr`` is aliased with ``rte_mempool_memhdr.iova``.
+ * ``rte_mempool_objhdr.physaddr`` is aliased with
+ ``rte_mempool_objhdr.iova``.
+ * ``rte_mempool_memhdr.phys_addr`` is aliased with
+ ``rte_mempool_memhdr.iova``.
* ``rte_mempool_virt2phy()`` can be replaced by ``rte_mempool_virt2iova()``.
- * ``rte_mempool_populate_phys*()`` are aliased with ``rte_mempool_populate_iova*()``
+ * ``rte_mempool_populate_phys*()`` are aliased with
+ ``rte_mempool_populate_iova*()``
* ``rte_mbuf.buf_physaddr`` is aliased with ``rte_mbuf.buf_iova``.
* ``rte_mbuf_data_dma_addr*()`` are aliased with ``rte_mbuf_data_iova*()``.
* ``rte_pktmbuf_mtophys*`` are aliased with ``rte_pktmbuf_iova*()``.
The PCI bus previously implemented within the EAL has been moved.
A first part has been added as an RTE library providing PCI helpers to
parse device locations or other such utilities.
- A second part consisting in the actual bus driver has been moved to its
+ A second part consisting of the actual bus driver has been moved to its
proper subdirectory, without changing its functionalities.
- As such, several PCI-related functions are not proposed by the EAL anymore:
-
- * rte_pci_detach
- * rte_pci_dump
- * rte_pci_ioport_map
- * rte_pci_ioport_read
- * rte_pci_ioport_unmap
- * rte_pci_ioport_write
- * rte_pci_map_device
- * rte_pci_probe
- * rte_pci_probe_one
- * rte_pci_read_config
- * rte_pci_register
- * rte_pci_scan
- * rte_pci_unmap_device
- * rte_pci_unregister
- * rte_pci_write_config
+ As such, several PCI-related functions are not exposed by the EAL anymore:
+
+ * ``rte_pci_detach``
+ * ``rte_pci_dump``
+ * ``rte_pci_ioport_map``
+ * ``rte_pci_ioport_read``
+ * ``rte_pci_ioport_unmap``
+ * ``rte_pci_ioport_write``
+ * ``rte_pci_map_device``
+ * ``rte_pci_probe``
+ * ``rte_pci_probe_one``
+ * ``rte_pci_read_config``
+ * ``rte_pci_register``
+ * ``rte_pci_scan``
+ * ``rte_pci_unmap_device``
+ * ``rte_pci_unregister``
+ * ``rte_pci_write_config``
These functions are made available either as part of ``librte_pci`` or
``librte_bus_pci``.
* **Moved vdev bus APIs outside of the EAL**
Moved the following APIs from ``librte_eal`` to ``librte_bus_vdev``:
+
* ``rte_vdev_init``
* ``rte_vdev_register``
* ``rte_vdev_uninit``
* **Add return value to stats_get dev op API**
The ``stats_get`` dev op API return value has been changed to be int.
- By this way PMDs can return an error value in case of failure at stats
+ In this way PMDs can return an error value in case of failure at stats
getting process time.
-* **Modified the rte_cryptodev_allocate_driver function in the cryptodev library.**
+* **Modified the rte_cryptodev_allocate_driver function.**
- The function ``rte_cryptodev_allocate_driver()`` has been modified.
- An extra parameter ``struct cryptodev_driver *crypto_drv`` has been added.
+ Modified the ``rte_cryptodev_allocate_driver()`` function in the cryptodev
+ library. An extra parameter ``struct cryptodev_driver *crypto_drv`` has been
+ added.
* **Removed virtual device bus specific functions from librte_cryptodev.**
and have been replaced by non bus specific functions
``rte_cryptodev_pmd_parse_input_args()`` and ``rte_cryptodev_pmd_create()``.
-* ``rte_cryptodev_create_vdev`` was removed to avoid the dependency on vdev
- in librte_cryptodev; instead, users can call rte_vdev_init() directly.
+ The ``rte_cryptodev_create_vdev()`` function was removed to avoid the
+ dependency on vdev in librte_cryptodev; instead, users can call
+ ``rte_vdev_init()`` directly.
* **Removed PCI device bus specific functions from librte_cryptodev.**
The functions ``rte_set_log_level()``, ``rte_get_log_level()``,
``rte_set_log_type()`` and ``rte_get_log_type()`` have been removed.
+
They are respectively replaced by ``rte_log_set_global_level()``,
``rte_log_get_global_level()``, ``rte_log_set_level()`` and
``rte_log_get_level()``.
-* **Removed ``mbuf`` flags ``PKT_RX_VLAN_PKT`` and ``PKT_RX_QINQ_PKT``.**
+* **Removed mbuf flags PKT_RX_VLAN_PKT and PKT_RX_QINQ_PKT.**
The ``mbuf`` flags ``PKT_RX_VLAN_PKT`` and ``PKT_RX_QINQ_PKT`` have
- been removed since their behavior were not properly described.
+ been removed since their behavior was not properly described.
-* **Added ``mbuf`` flags ``PKT_RX_VLAN`` and ``PKT_RX_QINQ``.**
+* **Added mbuf flags PKT_RX_VLAN and PKT_RX_QINQ.**
Two ``mbuf`` flags have been added to indicate that the VLAN
identifier has been saved in in the ``mbuf`` structure. For instance:
- - if VLAN is not stripped and TCI is saved: ``PKT_RX_VLAN``
- - if VLAN is stripped and TCI is saved: ``PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED``
+ - If VLAN is not stripped and TCI is saved: ``PKT_RX_VLAN``
+ - If VLAN is stripped and TCI is saved: ``PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED``
* **Modified the vlan_offload_set_t function prototype in the ethdev library.**
- Changed the function prototype of ``vlan_offload_set_t``. The return value
- has been changed from ``void`` to ``int`` so the caller to knows whether
- the backing device supports the operation or if the operation was
- successfully performed.
+ Modified the ``vlan_offload_set_t`` function prototype in the ethdev
+ library. The return value has been changed from ``void`` to ``int`` so the
+ caller can determine whether the backing device supports the operation or if
+ the operation was successfully performed.
ABI Changes
* **Extended port_id range.**
The size of the field ``port_id`` in the ``rte_eth_dev_data`` structure
- changed, as described in the `New Features` section.
+ has changed, as described in the `New Features` section above.
* **New parameter added to rte_eth_dev.**
- New parameter ``security_ctx`` added to ``rte_eth_dev`` to support security
- operations like IPSec inline.
+ A new parameter ``security_ctx`` has been added to ``rte_eth_dev`` to
+ support security operations like IPSec inline.
* **New parameter added to rte_cryptodev.**
- New parameter ``security_ctx`` added to ``rte_cryptodev`` to support security
- operations like lookaside crypto.
+ A new parameter ``security_ctx`` has been added to ``rte_cryptodev`` to
+ support security operations like lookaside crypto.
Removed Items
Also, make sure to start the actual text at the margin.
=========================================================
-* Xen dom0 in EAL was removed, as well as xenvirt PMD and vhost_xen.
+* Xen dom0 in EAL has been removed, as well as the xenvirt PMD and vhost_xen.
* The crypto performance unit tests have been removed,
- replaced by the dpdk-test-crypto-perf application.
+ replaced by the ``dpdk-test-crypto-perf`` application.
Shared Library Versions
git.droids-corp.org / dpdk.git / commitdiff