X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Frel_notes%2Frelease_19_11.rst;h=8ef16cb913c3cd7c189485317fc7c8a54594d3d5;hb=da585123a0ee55b7ec5efab7c6149089c053ab92;hp=da48051506c98a5b988453da40be0eafa40518c7;hpb=5fc66630bed5db8b0e2507e7324f1c8f98e0dd9a;p=dpdk.git diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst index da48051506..8ef16cb913 100644 --- a/doc/guides/rel_notes/release_19_11.rst +++ b/doc/guides/rel_notes/release_19_11.rst @@ -65,6 +65,13 @@ New Features The lock-free stack implementation is enabled for aarch64 platforms. +* **Extended pktmbuf mempool private structure.** + + rte_pktmbuf_pool_private structure was extended to include flags field + for future compatibility. + As per 19.11 release this field is reserved and should be set to 0 + by the user. + * **Changed mempool allocation behaviour.** Objects are no longer across pages by default. @@ -94,6 +101,20 @@ New Features * Rx metadata is delivered to host via a dynamic field of ``rte_mbuf`` with PKT_RX_DYNF_METADATA. +* **Added ethdev API to set supported packet types** + + * Added new API ``rte_eth_dev_set_ptypes`` that allows an application to + inform PMD about reduced range of packet types to handle. + * This scheme will allow PMDs to avoid lookup to internal ptype table on Rx + and thereby improve Rx performance if application wishes do so. + +* **Added Rx offload flag to enable or disable RSS update** + + * Added new Rx offload flag `DEV_RX_OFFLOAD_RSS_HASH` which can be used to + enable/disable PMDs write to `rte_mbuf::hash::rss`. + * PMDs notify the validity of `rte_mbuf::hash:rss` to the application + by enabling `PKT_RX_RSS_HASH ` flag in `rte_mbuf::ol_flags`. + * **Updated the enic driver.** * Added support for Geneve with options offload. @@ -110,6 +131,16 @@ New Features Added the new PFE driver for the NXP LS1012A platform. See the :doc:`../nics/pfe` NIC driver guide for more details on this new driver. +* **Updated Broadcom bnxt driver.** + + Updated Broadcom bnxt driver with new features and improvements, including: + + * Added support for hot firmware upgrade. + * Added support for error recovery. + * Added support for querying and using COS classification in hardware. + * Added LRO support Thor devices. + * Update HWRM API to version 1.10.1.6 + * **Updated iavf PMD.** Enable AVX2 data path for iavf PMD. @@ -179,6 +210,9 @@ New Features * Added support for matching on packets withe Geneve tunnel header. * Added hairpin support. * Added ConnectX6-DX support. + * Flow engine selected based on RDMA Core library version. + DV flow engine selected if version is rdma-core-24.0 or higher. + Verbs flow engine selected otherwise. * **Updated the AF_XDP PMD.** @@ -207,7 +241,16 @@ New Features PDCP support is added to DPAA_SEC and DPAA2_SEC PMDs using rte_security APIs. Support is added for all sequence number sizes for control and user plane. - Test application is updated for unit testing. + Test and test-crypto-perf applications are updated for unit testing. + +* **Updated the AESNI-MB PMD.** + + * Added support for intel-ipsec-mb version 0.53. + +* **Updated the AESNI-GCM PMD.** + + * Added support for intel-ipsec-mb version 0.53. + * Supported in-place chained mbufs on AES-GCM algorithm. * **Enabled Single Pass GCM acceleration on QAT GEN3.** @@ -263,6 +306,7 @@ New Features * Added a console command to testpmd app, ``show port (port_id) ptypes`` which gives ability to print port supported ptypes in different protocol layers. + * Packet type detection disabled by default for the supported PMDs. * **Added new example l2fwd-event application.** @@ -279,6 +323,18 @@ New Features See :doc:`../prog_guide/lto` for more information: +* **Added IOVA as VA support for KNI.** + + * Added IOVA = VA support for KNI, KNI can operate in IOVA = VA mode when + `iova-mode=va` EAL option is passed to the application or when bus IOVA + scheme is selected as RTE_IOVA_VA. This mode only works on Linux Kernel + versions above 4.9.0. + + * Due to IOVA to KVA address translations, based on the KNI use case there + can be a performance impact. For mitigation, forcing IOVA to PA via EAL + "--iova-mode=pa" option can be used, IOVA_DC bus iommu scheme can also + result in IOVA as PA. + Removed Items ------------- @@ -292,6 +348,11 @@ Removed Items Also, make sure to start the actual text at the margin. ========================================================= +* Removed library-level ABI versions. These have been replaced with a single + project-level ABI version for non-experimental libraries and an ABI version of + ``0`` for experimental libraries. Review the :doc:`../contributing/abi_policy` + and :doc:`../contributing/abi_versioning` guides for more information. + * Removed duplicated set of commands for Rx offload configuration from testpmd:: port config all crc-strip|scatter|rx-cksum|rx-timestamp| @@ -430,6 +491,12 @@ ABI Changes Also, make sure to start the actual text at the margin. ========================================================= +* policy: Please note the revisions to the :doc:`../contributing/abi_policy` + introducing major ABI versions, with DPDK 19.11 becoming the first major + version ``v20``. ABI changes to add new features continue to be permitted in + subsequent releases, with the condition that ABI compatibility with the major + ABI version is maintained. + * net: The Ethernet address and other header definitions have changed attributes. They have been modified to be aligned on 2-byte boundaries. These changes should not impact normal usage because drivers naturally @@ -444,6 +511,14 @@ ABI Changes * ipsec: The field ``replay_win_sz`` has been removed from the structure ``rte_ipsec_sa_prm`` as it has been added to the security library. +* ethdev: Added 32-bit fields for maximum LRO aggregated packet size, in + struct ``rte_eth_dev_info`` for the port capability and in struct + ``rte_eth_rxmode`` for the port configuration. + Application should use the new field in struct ``rte_eth_rxmode`` to configure + the requested size. + PMD should use the new field in struct ``rte_eth_dev_info`` to report the + supported port capability. + Shared Library Versions -----------------------