[dpdk-dev] [PATCH v1] doc: update release notes for 20.05

Kevin Traynor ktraynor at redhat.com
Fri May 22 17:17:53 CEST 2020


On 22/05/2020 15:06, John McNamara wrote:
> Fix grammar, spelling and formatting of DPDK 20.05 release notes.
> 
> Signed-off-by: John McNamara <john.mcnamara at intel.com>
> ---
>  doc/guides/rel_notes/release_20_05.rst | 264 +++++++++++++++------------------
>  1 file changed, 116 insertions(+), 148 deletions(-)
> 
> diff --git a/doc/guides/rel_notes/release_20_05.rst b/doc/guides/rel_notes/release_20_05.rst
> index 8470690..d10a1f4 100644
> --- a/doc/guides/rel_notes/release_20_05.rst
> +++ b/doc/guides/rel_notes/release_20_05.rst
> @@ -56,38 +56,38 @@ New Features
>       Also, make sure to start the actual text at the margin.
>       =========================================================
>  
> -* **Added Trace Library and Tracepoints**
> +* **Added Trace Library and Tracepoints.**
>  
> -  A native implementation of ``common trace format(CTF)`` based trace library
> -  has been added to provide the ability to add tracepoints in
> -  application/library to get runtime trace/debug information for control and
> +  A native implementation of "common trace format" (CTF) based trace library

Not sure if the "" are intentional?

> +  has been added to provide the ability to add tracepoints in an
> +  application/library to get runtime trace/debug information for control, and
>    fast APIs with minimum impact on fast path performance.
>    Typical trace overhead is ~20 cycles and instrumentation overhead is 1 cycle.
>    Added tracepoints in ``EAL``, ``ethdev``, ``cryptodev``, ``eventdev`` and
>    ``mempool`` libraries for important functions.
>  
> -* **Added APIs for RCU defer queue.**
> +* **Added APIs for RCU defer queues.**
>  
> -  Added APIs to create and delete defer queue. Additional APIs are provided
> +  Added APIs to create and delete defer queues. Additional APIs are provided
>    to enqueue a deleted resource and reclaim the resource in the future.
> -  These APIs help the application use lock-free data structures with
> +  These APIs help an application use lock-free data structures with
>    less effort.
>  
>  * **Added new API for rte_ring.**
>  
> -  * New synchronization modes for rte_ring.
> +  * Introduced new synchronization modes for rte_ring.
>  
> -  Introduced new optional MT synchronization modes for rte_ring:
> -  Relaxed Tail Sync (RTS) mode and Head/Tail Sync (HTS) mode.
> -  With these mode selected, rte_ring shows significant improvements for
> -  average enqueue/dequeue times on overcommitted systems.
> +    Introduced new optional MT synchronization modes for ``rte_ring``:
> +    Relaxed Tail Sync (RTS) mode and Head/Tail Sync (HTS) mode.
> +    With these modes selected, ``rte_ring`` shows significant improvements for
> +    average enqueue/dequeue times on overcommitted systems.
>  
> -  * Added peek style API for rte_ring.
> +  * Added peek style API for ``rte_ring``.
>  
> -  For rings with producer/consumer in RTE_RING_SYNC_ST, RTE_RING_SYNC_MT_HTS
> -  mode, provide an ability to split enqueue/dequeue operation into two phases
> -  (enqueue/dequeue start; enqueue/dequeue finish). That allows user to inspect
> -  objects in the ring without removing them from it (aka MT safe peek).
> +    For rings with producer/consumer in ``RTE_RING_SYNC_ST``, ``RTE_RING_SYNC_MT_HTS``
> +    mode, provide the ability to split enqueue/dequeue operation into two phases
> +    (enqueue/dequeue start and enqueue/dequeue finish). This allows the user to inspect
> +    objects in the ring without removing them (aka MT safe peek).
>  
>  * **Added flow aging support.**
>  
> @@ -100,14 +100,16 @@ New Features
>    * Added new query: ``rte_flow_get_aged_flows`` to get the aged-out flows
>      contexts from the port.
>  
> -* **ethdev: Added a new value to link speed for 200Gbps**
> +* **ethdev: Added a new value to link speed for 200Gbps.**
>  
> -* **Updated Amazon ena driver.**
> +  Added a new ethdev value to for link speeds of 200Gbps.
>  
> -  Updated ena PMD with new features and improvements, including:
> +* **Updated the Amazon ena driver.**
> +
> +  Updated the ena PMD with new features and improvements, including:
>  
>    * Added support for large LLQ (Low-latency queue) headers.
> -  * Added Tx drops as new extended driver statistic.
> +  * Added Tx drops as a new extended driver statistic.
>    * Added support for accelerated LLQ mode.
>    * Handling of the 0 length descriptors on the Rx path.
>  
> @@ -115,14 +117,14 @@ New Features
>  
>    Updated Hisilicon hns3 driver with new features and improvements, including:
>  
> -  * Added support for TSO
> -  * Added support for configuring promiscuous and allmulticast mode for VF
> +  * Added support for TSO.
> +  * Added support for configuring promiscuous and allmulticast mode for VF.
>  
>  * **Updated Intel i40e driver.**
>  
>    Updated i40e PMD with new features and improvements, including:
>  
> -  * Enable MAC address as FDIR input set for ipv4-other, ipv4-udp and ipv4-tcp.
> +  * Enabled MAC address as FDIR input set for ipv4-other, ipv4-udp and ipv4-tcp.
>    * Added support for RSS using L3/L4 source/destination only.
>    * Added support for setting hash function in rte flow.
>  
> @@ -139,14 +141,14 @@ New Features
>    Updated the Intel ice driver with new features and improvements, including:
>  
>    * Added support for DCF (Device Config Function) feature.
> -  * Added switch filter support for intel DCF.
> +  * Added switch filter support for Intel DCF.
>  
>  * **Updated Marvell OCTEON TX2 ethdev driver.**
>  
> -  Updated Marvell OCTEON TX2 ethdev driver with traffic manager support with
> -  below features.
> +  Updated Marvell OCTEON TX2 ethdev driver with traffic manager support,
> +  including:
>  
> -  * Hierarchial Scheduling with DWRR and SP.
> +  * Hierarchical Scheduling with DWRR and SP.
>    * Single rate - Two color, Two rate - Three color shaping.
>  
>  * **Updated Mellanox mlx5 driver.**
> @@ -158,52 +160,28 @@ New Features
>    * Added support for configuring Hairpin queue data buffer size.
>    * Added support for jumbo frame size (9K MTU) in Multi-Packet RQ mode.
>    * Removed flow rules caching for memory saving and compliance with ethdev API.
> -  * Optimized the memory consumption of flow.
> -  * Added support for flow aging based on hardware counter.
> -  * Added support for flow pattern with wildcard VLAN item (without VID value).
> -  * Updated support for matching on GTP header, added match on GTP flags.
> -
> -* **Added Chacha20-Poly1305 algorithm to Cryptodev API.**
> -
> -  Chacha20-Poly1305 AEAD algorithm can now be supported in Cryptodev.
> -
> -* **Updated the AESNI MB crypto PMD.**
> -
> -  * Added support for intel-ipsec-mb version 0.54.
> -  * Updated the AESNI MB PMD with AES-256 DOCSIS algorithm.
> -  * Added support for synchronous Crypto burst API.
> -
> -* **Updated the AESNI GCM crypto PMD.**
> -
> -  * Added support for intel-ipsec-mb version 0.54.
> -
> -* **Updated the ZUC crypto PMD.**
> -
> -  * Added support for intel-ipsec-mb version 0.54.
> -  * Updated the PMD to support Multi-buffer ZUC-EIA3,
> -    improving performance significantly, when using
> -    intel-ipsec-mb version 0.54
> -
> -* **Updated the SNOW3G crypto PMD.**
> -
> -  * Added support for intel-ipsec-mb version 0.54.
> +  * Optimized the memory consumption of flows.
> +  * Added support for flow aging based on hardware counters.
> +  * Added support for flow pattern with wildcard VLAN items (without VID value).
> +  * Updated support for matching on GTP headers, added match on GTP flags.
>  
> -* **Updated the KASUMI crypto PMD.**
> +* **Added additional algorithms to the Cryptodev API.**
>  
> -  * Added support for intel-ipsec-mb version 0.54.
> +  Added additional algorithms and updated support to the Cryptodev PMD and
> +  APIs, including:
>  
> -* **Added a new driver for Intel Foxville I225 devices.**
> +  * Added support for intel-ipsec-mb version 0.54 to the following PMDs: AESNI
> +    MB, AESNI GCM, ZUC, KASUMI, SNOW 3G.
>  
> -  Added the new ``igc`` net driver for Intel Foxville I225 devices. See the
> -  :doc:`../nics/igc` NIC guide for more details on this new driver.
> +  * Added support for Chacha20-Poly1305 AEAD algorithm.
>  
> -* **Updated Broadcom bnxt driver.**
> +  * Updated the ZUC crypto PMD to support Multi-buffer ZUC-EIA3, improving
> +    performance significantly, when using intel-ipsec-mb version 0.54
>  
> -  Updated Broadcom bnxt driver with new features and improvements, including:
> +  * AESNI MB crypto PMD:
>  
> -  * Added support for host based flow table management
> -  * Added flow counters to extended stats
> -  * Added PCI function stats to extended stats
> +    * Updated the AESNI MB PMD with AES-256 DOCSIS algorithm.
> +    * Added support for synchronous Crypto burst API.
>  
>  * **Added handling of mixed crypto algorithms in QAT PMD for GEN2.**
>  
> @@ -212,7 +190,7 @@ New Features
>    when running on GEN2 QAT hardware with particular firmware versions
>    (GEN3 support was added in DPDK 20.02).
>  
> -* **Added plain SHA-1,224,256,384,512 support to QAT PMD.**
> +* **Added plain SHA-1, 224, 256, 384, 512 support to QAT PMD.**
>  
>    Added support for plain SHA-1, SHA-224, SHA-256, SHA-384 and SHA-512 hashes
>    to QAT PMD.
> @@ -220,26 +198,40 @@ New Features
>  * **Added AES-GCM/GMAC J0 support to QAT PMD.**
>  
>    Added support for AES-GCM/GMAC J0 to Intel QuickAssist Technology PMD. User can
> -  use this feature by passing zero length IV in appropriate xform. For more
> -  info please refer to rte_crypto_sym.h J0 comments.
> +  use this feature by passing a zero length IV in the appropriate xform. For more
> +  info refer to the doxygen comments in ``rte_crypto_sym.h`` for ``J0``.
>  
>  * **Updated the QAT PMD for AES-256 DOCSIS.**
>  
> -  Added AES-256 DOCSIS algorithm support to QAT PMD.
> +  Added AES-256 DOCSIS algorithm support to the QAT PMD.
>  
> -* **Added QAT intermediate buffer too small handling in QAT compression PMD.**
> +* **Added QAT intermediate undersized buffer handling in QAT compression PMD.**
>  
> -  Added a special way of buffer handling when internal QAT intermediate buffer
> -  is too small for Huffman dynamic compression operation. Instead of falling
> +  Added special buffer handling when the internal QAT intermediate buffer is
> +  too small for the Huffman dynamic compression operation. Instead of falling
>    back to fixed compression, the operation is now split into multiple smaller
> -  dynamic compression requests (possible to execute on QAT) and their results
> -  are then combined and copied into the output buffer. This is not possible if
> -  any checksum calculation was requested - in such case the code falls back to
> -  fixed compression as before.
> +  dynamic compression requests (which are possible to execute on QAT) and
> +  their results are then combined and copied into the output buffer. This is
> +  not possible if any checksum calculation was requested - in such cases the
> +  code falls back to fixed compression as before.
> +
> +* **Added a new driver for Intel Foxville I225 devices.**
> +
> +  Added the new ``igc`` net driver for Intel Foxville I225 devices. See the
> +  :doc:`../nics/igc` NIC guide for more details on this new driver.
> +
> +* **Updated Broadcom bnxt driver.**
> +
> +  Updated the Broadcom bnxt driver with new features and improvements, including:
> +
> +  * Added support for host based flow table management.
> +  * Added flow counters to extended stats.
> +  * Added PCI function stats to extended stats.
>  
>  * **Updated the turbo_sw bbdev PMD.**
>  
> -  Supported large size code blocks which does not fit in one mbuf segment.
> +  Added support for large size code blocks which do not fit in one mbuf
> +  segment.
>  
>  * **Added Intel FPGA_5GNR_FEC bbdev PMD.**
>  
> @@ -255,31 +247,32 @@ New Features
>      accurate load balancing.
>    * Improved behavior on high-core count systems.
>    * Reduced latency in low-load situations.
> -  * Extended DSW xstats with migration- and load-related statistics.
> +  * Extended DSW xstats with migration and load-related statistics.
> +
> +* **Updated ipsec-secgw sample application.**
>  
> -* **Updated ipsec-secgw sample application with following features.**
> +  Updated ``ipsec-secgw`` sample application with following features:
>  
> -  * Updated ipsec-secgw application to add event based packet processing.
> -    The worker thread(s) would receive events and submit them back to the
> -    event device after the processing. This way, multicore scaling and HW
> -    assisted scheduling is achieved by making use of the event device
> -    capabilities. The event mode currently supports only inline IPsec
> -    protocol offload.
> +  * Updated the application to add event based packet processing. The worker
> +    thread(s) would receive events and submit them back to the event device
> +    after the processing. This way, multicore scaling and HW assisted
> +    scheduling is achieved by making use of the event device capabilities. The
> +    event mode currently only supports inline IPsec protocol offload.
>  
> -  * Updated ipsec-secgw application to support key sizes for AES-192-CBC,
> -    AES-192-GCM, AES-256-GCM algorithms.
> +  * Updated the application to support key sizes for AES-192-CBC, AES-192-GCM,
> +    AES-256-GCM algorithms.
>  
> -  * Added IPsec inbound load-distribution support for ipsec-secgw application
> -    using NIC load distribution feature(Flow Director).
> +  * Added IPsec inbound load-distribution support for the application using
> +    NIC load distribution feature(Flow Director).
>  
>  * **Updated Telemetry Library.**
>  
> -  The updated Telemetry library has many improvements on the original version
> -  to make it more accessible and scalable:
> +  The updated Telemetry library has been significantly in relation to the
> +  original version to make it more accessible and scalable:
>  
> -  * It enables DPDK libraries and applications provide their own specific
> -    telemetry information, rather than being limited to what could be reported
> -    through the metrics library.
> +  * It now enables DPDK libraries and applications to provide their own
> +    specific telemetry information, rather than being limited to what could be
> +    reported through the metrics library.
>  
>    * It is no longer dependent on the external Jansson library, which allows
>      Telemetry be enabled by default.
> @@ -287,57 +280,47 @@ New Features
>    * The socket handling has been simplified making it easier for clients to
>      connect and retrieve information.
>  
> -* **Added rte_graph library.**
> +* **Added the rte_graph library.**
>  
> -  Graph architecture abstracts the data processing functions as a ``node`` and
> -  ``links`` them together to create a complex ``graph`` to enable reusable/modular
> -  data processing functions. The graph library provides API to enable graph
> -  framework operations such as create, lookup, dump and destroy on graph and node
> -  operations such as clone, edge update, and edge shrink, etc.
> -  The API also allows to create the stats cluster to monitor per graph and per node stats.
> +  The Graph architecture abstracts the data processing functions as a ``node``
> +  and ``links`` them together to create a complex ``graph`` to enable
> +  reusable/modular data processing functions. The graph library provides APIs
> +  to enable graph framework operations such as create, lookup, dump and
> +  destroy on graph and node operations such as clone, edge update, and edge
> +  shrink, etc.  The API also allows the creation of a stats cluster to monitor
> +  per graph and per node statistics.
>  
> -* **Added rte_node library which consists of a set of packet processing nodes.**
> +* **Added the rte_node library.**
>  
> -  The rte_node library that consists of nodes used by rte_graph library. Each
> -  node performs a specific packet processing function based on application
> -  configuration. The following nodes are added:
> +  Added the ``rte_node`` library that consists of nodes used by ``rte_graph``
> +  library. Each node performs a specific packet processing function based on
> +  the application configuration. The following nodes are added:
>  
> -  * Null node: Skeleton node that defines the general structure of a node.
> -  * Ethernet device node: Consists of ethernet Rx/Tx nodes as well as ethernet
> +  * Null node: A skeleton node that defines the general structure of a node.
> +  * Ethernet device node: Consists of Ethernet Rx/Tx nodes as well as Ethernet
>      control APIs.
> -  * IPv4 lookup node: Consists of ipv4 extract and lpm lookup node. Routes can
> -    be configured by the application through ``rte_node_ip4_route_add`` function.
> -  * IPv4 rewrite node: Consists of ipv4 and ethernet header rewrite functionality
> -    that can be configured through ``rte_node_ip4_rewrite_add`` function.
> +  * IPv4 lookup node: Consists of IPv4 extract and LPM lookup node. Routes can
> +    be configured by the application through the ``rte_node_ip4_route_add``
> +    function.
> +  * IPv4 rewrite node: Consists of IPv4 and Ethernet header rewrite
> +    functionality that can be configured through the
> +    ``rte_node_ip4_rewrite_add`` function.
>    * Packet drop node: Frees the packets received to their respective mempool.
>  
>  * **Added new l3fwd-graph sample application.**
>  
> -  Added an example application ``l3fwd-graph``. It demonstrates the usage of graph
> -  library and node library for packet processing. In addition to the library usage
> -  demonstration, this application can use for performance comparison with existing
> -  ``l3fwd`` (The static code without any nodes) with the modular ``l3fwd-graph``
> -  approach.
> +  Added an example application ``l3fwd-graph``. This demonstrates the usage of
> +  graph library and node library for packet processing. In addition to the
> +  library usage demonstration, this application can be used for performance
> +  comparison with existing ``l3fwd`` (The static code without any nodes) with
> +  the modular ``l3fwd-graph`` approach.
>  
> -* **Updated testpmd application.**
> +* **Updated the testpmd application.**
>  
>    * Added a new cmdline option ``--rx-mq-mode`` which can be used to test PMD's
>      behaviour on handling Rx mq mode.
>  

No need for the sub-bullet here

>  
> -Removed Items
> --------------
> -
> -.. This section should contain removed items in this release. Sample format:
> -
> -   * Add a short 1-2 sentence description of the removed item
> -     in the past tense.
> -
> -   This section is a comment. Do not overwrite or remove it.
> -   Also, make sure to start the actual text at the margin.
> -   =========================================================
> -
> -
>  API Changes
>  -----------
>  
> @@ -354,7 +337,7 @@ API Changes
>     =========================================================
>  
>  * mempool: The API of ``rte_mempool_populate_iova()`` and
> -  ``rte_mempool_populate_virt()`` changed to return 0 instead of -EINVAL
> +  ``rte_mempool_populate_virt()`` changed to return 0 instead of ``-EINVAL``
>    when there is not enough room to store one object.
>  
>  
> @@ -376,21 +359,6 @@ ABI Changes
>  * No ABI change that would break compatibility with DPDK 20.02 and 19.11.
>  
>  
> -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
>  ----------------
>  
> 

I just sent a patch to note gcc 10 support.

Aside from minor comments above, LGTM.
Acked-by: Kevin Traynor <ktraynor at redhat.com>



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