7d7d61a47c
Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com> Acked-by: Maciej Gajdzica <maciejx.t.gajdzica@intel.com> Acked-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com> Acked-by: Jasvinder Singh <jasvinder.singh@intel.com>
77 lines
3.5 KiB
ReStructuredText
77 lines
3.5 KiB
ReStructuredText
ABI and API Deprecation
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=======================
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See the :doc:`guidelines document for details of the ABI policy </contributing/versioning>`.
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API and ABI deprecation notices are to be posted here.
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Deprecation Notices
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-------------------
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* Significant ABI changes are planned for struct rte_eth_dev to support up to
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1024 queues per port. This change will be in release 2.2.
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There is no backward compatibility planned from release 2.2.
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All binaries will need to be rebuilt from release 2.2.
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* ABI changes are planned for struct rte_intr_handle, struct rte_eth_conf
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and struct eth_dev_ops to support interrupt mode feature from release 2.1.
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Those changes may be enabled in the release 2.1 with CONFIG_RTE_NEXT_ABI.
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* The EAL function rte_eal_pci_close_one is deprecated because renamed to
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rte_eal_pci_detach.
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* The Macros RTE_HASH_BUCKET_ENTRIES_MAX and RTE_HASH_KEY_LENGTH_MAX are
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deprecated and will be removed with version 2.2.
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* Significant ABI changes are planned for struct rte_mbuf, struct rte_kni_mbuf,
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and several ``PKT_RX_`` flags will be removed, to support unified packet type
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from release 2.1. Those changes may be enabled in the upcoming release 2.1
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with CONFIG_RTE_NEXT_ABI.
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* librte_malloc library has been integrated into librte_eal. The 2.1 release
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creates a dummy/empty malloc library to fulfill binaries with dynamic linking
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dependencies on librte_malloc.so. Such dummy library will not be created from
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release 2.2 so binaries will need to be rebuilt.
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* The following fields have been deprecated in rte_eth_stats:
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imissed, ibadcrc, ibadlen, imcasts, fdirmatch, fdirmiss,
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tx_pause_xon, rx_pause_xon, tx_pause_xoff, rx_pause_xoff
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* API for flow director filters has been replaced by rte_eth_dev_filter_ctrl.
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Following old API is deprecated and will be removed with version 2.2 without
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backward compatibility.
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Functions: rte_eth_dev_fdir_*.
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Structures: rte_fdir_*, rte_eth_fdir.
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Enums: rte_l4type, rte_iptype.
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* ABI changes are planned for struct rte_eth_fdir_flow_ext in order to support
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flow director filtering in VF. The release 2.1 does not contain these ABI
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changes, but release 2.2 will, and no backwards compatibility is planned.
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* ABI change is planned to extend the SCTP flow's key input from release 2.1.
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The change may be enabled in the release 2.1 with CONFIG_RTE_NEXT_ABI.
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* ABI changes are planned for struct rte_eth_fdir_filter and
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rte_eth_fdir_masks in order to support new flow director modes,
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MAC VLAN and Cloud, on x550. The MAC VLAN mode means the MAC and
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VLAN are monitored. The Cloud mode is for VxLAN and NVGRE, and
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the tunnel type, TNI/VNI, inner MAC and inner VLAN are monitored.
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The release 2.2 will contain these changes without backwards compatibility.
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* ABI changes are planned for struct virtio_net in order to support vhost-user
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multiple queues feature.
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It should be integrated in release 2.2 without backward compatibility.
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* The scheduler hierarchy structure (rte_sched_port_hierarchy) will change to
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allow for a larger number of subport entries.
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The number of available traffic_classes and queues may also change.
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The mbuf structure element for sched hierarchy will also change from a single
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32 bit to a 64 bit structure.
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* The scheduler statistics structure will change to allow keeping track of
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RED actions.
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* librte_cfgfile: In order to allow for longer names and values,
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the value of macros CFG_NAME_LEN and CFG_NAME_VAL will be increased.
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Most likely, the new values will be 64 and 256, respectively.
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