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ABI and API Deprecation
=======================
See the :doc:`guidelines document for details of the ABI policy </contributing/versioning>`.
API and ABI deprecation notices are to be posted here.
Deprecation Notices
-------------------
* eal: several API and ABI changes are planned for ``rte_devargs`` in v18.02.
The format of device command line parameters will change. The bus will need
to be explicitly stated in the device declaration. The enum ``rte_devtype``
was used to identify a bus and will disappear.
The structure ``rte_devargs`` will change.
The ``rte_devargs_list`` will be made private.
The following functions are deprecated starting from 17.08 and will either be
modified or removed in 18.02:
- ``rte_eal_devargs_add``
- ``rte_eal_devargs_type_count``
- ``rte_eal_parse_devargs_str``, replaced by ``rte_eal_devargs_parse``
* pci: Several exposed functions are misnamed.
The following functions are deprecated starting from v17.11 and are replaced:
- ``eal_parse_pci_BDF`` replaced by ``rte_pci_addr_parse``
- ``eal_parse_pci_DomBDF`` replaced by ``rte_pci_addr_parse``
- ``rte_eal_compare_pci_addr`` replaced by ``rte_pci_addr_cmp``
* ethdev: a new Tx and Rx offload API was introduced on 17.11.
In the new API, offloads are divided into per-port and per-queue offloads.
Offloads are disabled by default and enabled per application request.
The old offloads API is target to be deprecated on 18.05. This includes:
- removal of ``ETH_TXQ_FLAGS_NO*`` flags.
- removal of ``txq_flags`` field from ``rte_eth_txconf`` struct.
- removal of the offloads bit-field from ``rte_eth_rxmode`` struct.
* ethdev: the legacy filter API, including
``rte_eth_dev_filter_supported()``, ``rte_eth_dev_filter_ctrl()`` as well
as filter types MACVLAN, ETHERTYPE, FLEXIBLE, SYN, NTUPLE, TUNNEL, FDIR,
HASH and L2_TUNNEL, is superseded by the generic flow API (rte_flow) in
PMDs that implement the latter.
Target release for removal of the legacy API will be defined once most
PMDs have switched to rte_flow.
* librte_meter: The API will change to accommodate configuration profiles.
Most of the API functions will have an additional opaque parameter.
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