* **EAL will now pick IOVA as VA mode as the default in most cases.**
- Previously, preferred default IOVA mode was selected to be IOVA as PA. The
+ Previously, the preferred default IOVA mode was selected to be IOVA as PA. The
behavior has now been changed to handle IOVA mode detection in a more complex
manner, and will default to IOVA as VA in most cases.
* **Added MCS lock.**
MCS lock provides scalability by spinning on a CPU/thread local variable
- which avoids expensive cache bouncings.
+ which avoids expensive cache bouncing.
It provides fairness by maintaining a list of acquirers and passing
the lock to each CPU/thread in the order they acquired the lock.
* **Updated the EAL Pseudo-random Number Generator.**
- The lrand48()-based rte_rand() function is replaced with a
+ The ``lrand48()`` based ``rte_rand()`` function is replaced with a
DPDK-native combined Linear Feedback Shift Register (LFSR)
pseudo-random number generator (PRNG).
higher-quality pseudo-random numbers (including full 64 bit
support) and improved performance.
- In addition, <rte_random.h> is extended with a new function
- rte_rand_max() which supplies unbiased, bounded pseudo-random
+ In addition, ``<rte_random.h>`` is extended with a new function
+ ``rte_rand_max()`` which supplies unbiased, bounded pseudo-random
numbers.
-* **Updated the bnxt PMD.**
+* **Updated the Broadcom bnxt PMD.**
- Updated the bnxt PMD. The major enhancements include:
+ Updated the Broadcom bnxt PMD. The major enhancements include:
- * Performance optimizations in non-vector Tx path
- * Added support for SSE vector mode
- * Updated HWRM API to version 1.10.0.91
+ * Performance optimizations in non-vector Tx path.
+ * Added support for SSE vector mode.
+ * Updated HWRM API to version 1.10.0.91.
* **Added support for Broadcom NetXtreme-E BCM57500 Ethernet controllers.**
- Added support to the bnxt PMD for the BCM57500 (a.k.a. "Thor") family
+ Added support to the Broadcom bnxt PMD for the BCM57500 (a.k.a. "Thor") family
of Ethernet controllers. These controllers support link speeds up to
200Gbps, 50G PAM-4, and PCIe 4.0.
-* **Added hinic PMD.**
+* **Added Huawei hinic PMD.**
Added the new ``hinic`` net driver for Huawei Intelligent PCIE Network
Adapters based on the Huawei Ethernet Controller Hi1822.
See the :doc:`../nics/hinic` guide for more details on this new driver.
-* **Updated the ice driver.**
+* **Updated the Intel ice driver.**
- Updated ice driver with new features and improvements, including:
+ Updated the Intel ice driver with new features and improvements, including:
* Enabled Tx outer/inner L3/L4 checksum offload.
* Enabled generic filter framework and supported switch filter.
* Added support for match on ICMP/ICMP6 code and type.
* Added support for matching on GRE's key and C,K,S present bits.
* Added support for IP-in-IP tunnel.
- * Accelerate flows with count action creation and destroy.
- * Accelerate flows counter query.
+ * Accelerated flows with count action creation and destroy.
+ * Accelerated flows counter query.
* Improved Tx datapath performance with enabled HW offloads.
* Added support for LRO.
* **Added memif PMD.**
- Added the new Shared Memory Packet Interface (``memif``) PMD.
+ Added a new Shared Memory Packet Interface (``memif``) PMD.
See the :doc:`../nics/memif` guide for more details on this new driver.
* **Updated the AF_XDP PMD.**
Updated the AF_XDP PMD. The new features include:
* Enabled zero copy through mbuf's external memory mechanism to achieve
- high performance
+ higher performance.
* Added multi-queue support to allow one af_xdp vdev with multiple netdev
- queues
- * Enabled need_wakeup feature which can provide efficient support for case
- that application and driver executing on the same core.
+ queues.
+ * Enabled "need_wakeup" feature which can provide efficient support for the
+ usecase where the application and driver executing on the same core.
* **Enabled infinite Rx in the PCAP PMD.**
- Added an infinite Rx feature which allows packets in the Rx PCAP of a PCAP
- device to be received repeatedly at a high rate. This can be useful for quick
+ Added an infinite Rx feature to the PCAP PMD which allows packets in the Rx
+ PCAP to be received repeatedly at a high rate. This can be useful for quick
performance testing of DPDK apps.
-* **Enabled Receiving no packet on PCAP Rx.**
+* **Enabled receiving no packet in the PCAP PMD.**
- Added function to allow users to run without receiving any packets on PCAP Rx.
- When function is called, a dummy queue is created for each Tx queue argument
- passed.
+ Added function to allow users to run the PCAP PMD without receiving any
+ packets on PCAP Rx. When the function is called, a dummy queue is created
+ for each Tx queue argument passed.
* **Added a FPGA_LTE_FEC bbdev PMD.**
- Added the new ``fpga_lte_fec`` bbdev driver for the Intel® FPGA PAC
+ Added a new ``fpga_lte_fec`` bbdev driver for the Intel\ |reg| FPGA PAC
(Programmable Acceleration Card) N3000. See the
:doc:`../bbdevs/fpga_lte_fec` BBDEV guide for more details on this new driver.
-* **Updated TURBO_SW bbdev PMD.**
+* **Updated the TURBO_SW bbdev PMD.**
Updated the ``turbo_sw`` bbdev driver with changes including:
SDK libraries.
* Added support for 5GNR encode/decode operations.
-* **Updated the QuickAssist Technology (QAT) symmetric crypto PMD.**
+* **Updated the Intel QuickAssist Technology (QAT) symmetric crypto PMD.**
Added support for digest-encrypted cases where digest is appended
to the data.
-* **Added Intel QuickData Technology PMD**
+* **Added the Intel QuickData Technology PMD.**
- The PMD for Intel\ |reg| QuickData Technology, part of
+ Added a PMD for the Intel\ |reg| QuickData Technology, part of
Intel\ |reg| I/O Acceleration Technology `(Intel I/OAT)
<https://www.intel.com/content/www/us/en/wireless-network/accel-technology.html>`_,
- allows data copies to be done by hardware instead
+ which allows data copies to be done by hardware instead
of via software, reducing cycles spent copying large blocks of data in
applications.
Added the new ``ethdev``, ``eventdev``, ``mempool``, ``eventdev Rx adapter``,
``eventdev Tx adapter``, ``eventdev Timer adapter`` and ``rawdev DMA``
- drivers for various HW coprocessors available in ``OCTEON TX2`` SoC.
+ drivers for various HW co-processors available in ``OCTEON TX2`` SoC.
- See :doc:`../platform/octeontx2` and driver informations:
+ See :doc:`../platform/octeontx2` and driver information:
* :doc:`../nics/octeontx2`
* :doc:`../mempool/octeontx2`
* :doc:`../eventdevs/octeontx2`
* :doc:`../rawdevs/octeontx2_dma`
-* **Introduced NTB PMD.**
+* **Introduced the Intel NTB PMD.**
- Added a PMD for Intel NTB (Non-transparent Bridge). This PMD implemented
- handshake between two separate hosts and can share local memory for peer
+ Added a PMD for Intel NTB (Non-transparent Bridge). This PMD implements
+ a handshake between two separate hosts and can share local memory for peer
host to directly access.
-* **Updated IPSec library and IPsec Security Gateway application.**
+* **Updated the IPSec library and IPsec Security Gateway application.**
Added the following features to ``librte_ipsec``. Corresponding changes are
- also added in ``ipsec-secgw`` sample application.
+ also added in the ``ipsec-secgw`` sample application.
* ECN and DSCP field header reconstruction as per RFC4301.
* Transport mode with IPv6 extension headers.
* **Added new telemetry mode for l3fwd-power application.**
- Added telemetry mode to l3fwd-power application to report
- application level busyness, empty and full polls of rte_eth_rx_burst().
+ Added a telemetry mode to the ``l3fwd-power`` application to report
+ application level busyness, empty and full polls of ``rte_eth_rx_burst()``.
* **Updated the pdump application.**
* **Updated test-compress-perf tool application.**
- Added multiple cores feature to compression perf tool application.
+ Added a multiple cores feature to the compression perf tool application.
Removed Items
Also, make sure to start the actual text at the margin.
=========================================================
-* Removed KNI ethtool, CONFIG_RTE_KNI_KMOD_ETHTOOL, support.
+* Removed KNI ethtool, ``CONFIG_RTE_KNI_KMOD_ETHTOOL``, support.
* build: armv8 crypto extension is disabled.
Also, make sure to start the actual text at the margin.
=========================================================
-* The ``rte_mem_config`` structure has been made private. The new accessor
+* The ``rte_mem_config`` structure has been made private. New accessor
``rte_mcfg_*`` functions were introduced to provide replacement for direct
access to the shared mem config.
* The network structures, definitions and functions have
been prefixed by ``rte_`` to resolve conflicts with libc headers.
-* malloc: The function ``rte_malloc_set_limit`` was never implemented
- is deprecated and will be removed in a future release.
+* malloc: The function ``rte_malloc_set_limit()`` was never implemented.
+ It is deprecated and will be removed in a future release.
-* cryptodev: the ``uint8_t *data`` member of ``key`` structure in the xforms
+* cryptodev: the ``uint8_t *data`` member of the ``key`` structure in the xforms
structure (``rte_crypto_cipher_xform``, ``rte_crypto_auth_xform``, and
``rte_crypto_aead_xform``) have been changed to ``const uint8_t *data``.
announced at least one release before the ABI change is made. There are no
ABI breaking changes planned.
-* ip_frag: IP fragmentation library converts input mbuf into fragments
- using input MTU size via ``rte_ipv4_fragment_packet`` interface.
+* ip_frag: The IP fragmentation library converts input mbuf into fragments
+ using input MTU size via the ``rte_ipv4_fragment_packet()`` interface.
Once fragmentation is done, each ``mbuf->ol_flags`` are set to enable IP
checksum H/W offload irrespective of the platform capability.
Cleared IP checksum H/W offload flag from the library. The application must
use it.
* ip_frag: IP reassembly library converts the list of fragments into a
- reassembled packet via ``rte_ipv4_frag_reassemble_packet`` interface.
+ reassembled packet via ``rte_ipv4_frag_reassemble_packet()`` interface.
Once reassembly is done, ``mbuf->ol_flags`` are set to enable IP checksum H/W
offload irrespective of the platform capability. Cleared IP checksum H/W
offload flag from the library. The application must set this flag if it is
* sched: Macros ``RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS`` and
``RTE_SCHED_PIPE_PROFILES_PER_PORT`` are removed for flexible configuration
of pipe traffic classes and their queues size, and for runtime configuration
- of maximum number of pipe profiles, respectively. In addtion, wrr_weights
- field of struct ``rte_sched_pipe_params`` is modifed to be used only for
- best-effort tc, and qsize field of struct ``rte_sched_port_params`` is
- changed to allow different size of the each queue.
+ of the maximum number of pipe profiles, respectively. In addition, the
+ ``wrr_weights`` field of struct ``rte_sched_pipe_params`` is modified to be
+ used only for best-effort tc, and the ``qsize`` field of struct
+ ``rte_sched_port_params`` is changed to allow different sizes for each
+ queue.
ABI Changes
disable features supported by the crypto device. Only the following features
would be allowed to be disabled this way,
- - ``RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO``
- - ``RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO``
- - ``RTE_CRYPTODEV_FF_SECURITY``
+ - ``RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO``.
+ - ``RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO``.
+ - ``RTE_CRYPTODEV_FF_SECURITY``.
Disabling unused features would facilitate efficient usage of HW/SW offload.
-* bbdev: New operations and parameters added to support new 5GNR operations.
- The bbdev ABI is still kept experimental.
+* bbdev: New operations and parameters have been added to support new 5GNR
+ operations. The bbdev ABI is still kept experimental.
* rawdev: The driver names have been changed to ``librte_rawdev_*``.
Now they all have the same prefix, and same name with make and meson builds.
Also, make sure to start the actual text at the margin.
=========================================================
-* **Unsuitable IOVA mode may be picked as the default**
+* **Unsuitable IOVA mode may be picked as the default.**
Not all kernel drivers and not all devices support all IOVA modes. EAL will
attempt to pick a reasonable default based on a number of factors, but
- there may be cases where the default may be unsuitable.
+ there may be cases where the default is unsuitable.
It is recommended to use the `--iova-mode` command-line parameter if the
default is not suitable.
* Firmware version: 3.25, 0x800006eb
* Device id (pf): 8086:1533
* Driver version: 5.4.0-k(igb)
-
git.droids-corp.org / dpdk.git / commitdiff