509cc88513
Rename rte_bsf64 to rte_bsf64_safe (this is a "safe" version in that it prevents undefined behavior by checking if incoming parameter is zero) and move it to common header. Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com> Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com> Acked-by: Jasvinder Singh <jasvinder.singh@intel.com> Acked-by: Thomas Monjalon <thomas@monjalon.net>
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63 lines
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.. SPDX-License-Identifier: BSD-3-Clause
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Copyright 2018 The DPDK contributors
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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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* eal: function ``rte_bsf64`` in ``rte_bitmap.h`` has been renamed to
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``rte_bsf64_safe`` and moved to ``rte_common.h``. A new ``rte_bsf64`` function
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will be added in the next release in ``rte_common.h`` that follows convention
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set by existing ``rte_bsf32`` function.
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* eal: both declaring and identifying devices will be streamlined in v18.11.
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New functions will appear to query a specific port from buses, classes of
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device and device drivers. Device declaration will be made coherent with the
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new scheme of device identification.
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As such, ``rte_devargs`` device representation will change.
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- The enum ``rte_devtype`` was used to identify a bus and will disappear.
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- Functions previously deprecated will change or disappear:
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+ ``rte_eal_devargs_type_count``
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* pci: Several exposed functions are misnamed.
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The following functions are deprecated starting from v17.11 and are replaced:
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- ``eal_parse_pci_BDF`` replaced by ``rte_pci_addr_parse``
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- ``eal_parse_pci_DomBDF`` replaced by ``rte_pci_addr_parse``
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- ``rte_eal_compare_pci_addr`` replaced by ``rte_pci_addr_cmp``
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* mbuf: The opaque ``mbuf->hash.sched`` field will be updated to support generic
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definition in line with the ethdev TM and MTR APIs. Currently, this field
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is defined in librte_sched in a non-generic way. The new generic format
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will contain: queue ID, traffic class, color. Field size will not change.
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* mbuf: the macro ``RTE_MBUF_INDIRECT()`` will be removed in v18.08 or later and
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replaced with ``RTE_MBUF_CLONED()`` which is already added in v18.05. As
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``EXT_ATTACHED_MBUF`` is newly introduced in v18.05, ``RTE_MBUF_INDIRECT()``
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can no longer be mutually exclusive with ``RTE_MBUF_DIRECT()`` if the new
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experimental API ``rte_pktmbuf_attach_extbuf()`` is used. Removal of the macro
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is to fix this semantic inconsistency.
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* ethdev: the legacy filter API, including
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``rte_eth_dev_filter_supported()``, ``rte_eth_dev_filter_ctrl()`` as well
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as filter types MACVLAN, ETHERTYPE, FLEXIBLE, SYN, NTUPLE, TUNNEL, FDIR,
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HASH and L2_TUNNEL, is superseded by the generic flow API (rte_flow) in
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PMDs that implement the latter.
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Target release for removal of the legacy API will be defined once most
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PMDs have switched to rte_flow.
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* pdump: As we changed to use generic IPC, some changes in APIs and structure
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are expected in subsequent release.
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- ``rte_pdump_set_socket_dir`` will be removed;
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- The parameter, ``path``, of ``rte_pdump_init`` will be removed;
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- The enum ``rte_pdump_socktype`` will be removed.
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