Deprecation Notices
-------------------
-* eal: the following functions are deprecated starting from 17.05 and will
- be removed in 17.11:
-
- - ``rte_set_log_level``, replaced by ``rte_log_set_global_level``
- - ``rte_get_log_level``, replaced by ``rte_log_get_global_level``
- - ``rte_set_log_type``, replaced by ``rte_log_set_level``
- - ``rte_get_log_type``, replaced by ``rte_log_get_level``
-
-* eal: several API and ABI changes are planned for ``rte_devargs`` in v17.11.
- 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 17.11:
-
- - ``rte_eal_devargs_add``
- - ``rte_eal_devargs_type_count``
- - ``rte_eal_parse_devargs_str``, replaced by ``rte_eal_devargs_parse``
-
-* eal: the support of Xen dom0 will be removed from EAL in 17.11; and with
- that, drivers/net/xenvirt and examples/vhost_xen will also be removed.
-
-* eal: An ABI change is planned for 17.11 to make DPDK aware of IOVA address
- translation scheme.
- Reference to phys address in EAL data-structure or functions may change to
- IOVA address or more appropriate name.
- The change will be only for the name.
- Functional aspects of the API or data-structure will remain same.
-
-* The mbuf flags PKT_RX_VLAN_PKT and PKT_RX_QINQ_PKT are deprecated and
- are respectively replaced by PKT_RX_VLAN_STRIPPED and
- PKT_RX_QINQ_STRIPPED, that are better described. The old flags and
- their behavior will be kept until 17.08 and will be removed in 17.11.
-
-* mempool: The following will be modified in 17.11:
-
- - ``rte_mempool_xmem_size`` and ``rte_mempool_xmem_usage`` need to know
- the mempool flag status so adding new param rte_mempool in those API.
- - Removing __rte_unused int flag param from ``rte_mempool_generic_put``
- and ``rte_mempool_generic_get`` API.
- - ``rte_mempool`` flags data type will changed from int to
- unsigned int.
-
-* ethdev: Tx offloads will no longer be enabled by default in 17.11.
- Instead, the ``rte_eth_txmode`` structure will be extended with
- bit field to enable each Tx offload.
- Besides of making the Rx/Tx configuration API more consistent for the
- application, PMDs will be able to provide a better out of the box performance.
- As part of the work, ``ETH_TXQ_FLAGS_NO*`` will be superseded as well.
+* eal: both declaring and identifying devices will be streamlined in v18.05.
+ New functions will appear to query a specific port from buses, classes of
+ device and device drivers. Device declaration will be made coherent with the
+ new scheme of device identification.
+ As such, ``rte_devargs`` device representation will change.
+
+ - removal of ``name`` and ``args`` fields.
+ - The enum ``rte_devtype`` was used to identify a bus and will disappear.
+ - The ``rte_devargs_list`` will be made private.
+ - Functions previously deprecated will change or disappear:
+
+ + ``rte_eal_devargs_add``
+ + ``rte_eal_devargs_type_count``
+ + ``rte_eal_parse_devargs_str``, replaced by ``rte_eal_devargs_parse``
+ + ``rte_eal_devargs_parse`` will change its format and use.
+ + all ``rte_devargs`` related functions will be renamed, changing the
+ ``rte_eal_devargs_`` prefix to ``rte_devargs_``.
+
+* 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``
+
+* eal: The semantics of the return value for the ``rte_lcore_has_role`` function
+ are planned to change in v18.05. The function currently returns 0 and <0 for
+ success and failure, respectively. This will change to 1 and 0 for true and
+ false, respectively, to make use of the function more intuitive.
+
+* eal: new ``numa_node_count`` member will be added to ``rte_config`` structure
+ in v18.05.
+
+* eal: due to internal data layout reorganization, there will be changes to
+ several structures and functions as a result of coming changes to support
+ memory hotplug in v18.05.
+ ``rte_eal_get_physmem_layout`` will be deprecated and removed in subsequent
+ releases.
+ ``rte_mem_config`` contents will change due to switch to memseg lists.
+ ``rte_memzone`` member ``memseg_id`` will no longer serve any useful purpose
+ and will be removed.
+
+* eal: a new set of mbuf mempool ops name APIs for user, platform and best
+ mempool names have been defined in ``rte_mbuf`` in v18.02. The uses of
+ ``rte_eal_mbuf_default_mempool_ops`` shall be replaced by
+ ``rte_mbuf_best_mempool_ops``.
+ The following function is now redundant and it is target to be deprecated
+ in 18.05:
+
+ - ``rte_eal_mbuf_default_mempool_ops``
+
+* mempool: several API and ABI changes are planned in v18.05.
+ The following functions, introduced for Xen, which is not supported
+ anymore since v17.11, are hard to use, not used anywhere else in DPDK.
+ Therefore they will be deprecated in v18.05 and removed in v18.08:
+
+ - ``rte_mempool_xmem_create``
+ - ``rte_mempool_xmem_size``
+ - ``rte_mempool_xmem_usage``
+
+ The following changes are planned:
+
+ - removal of ``get_capabilities`` mempool ops and related flags.
+ - substitute ``register_memory_area`` with ``populate`` ops.
+ - addition of new ops to customize required memory chunk calculation,
+ customize objects population and allocate contiguous
+ block of objects if underlying driver supports it.
+
+* mbuf: The control mbuf API will be removed in v18.05. The impacted
+ functions and macros are:
+
+ - ``rte_ctrlmbuf_init()``
+ - ``rte_ctrlmbuf_alloc()``
+ - ``rte_ctrlmbuf_free()``
+ - ``rte_ctrlmbuf_data()``
+ - ``rte_ctrlmbuf_len()``
+ - ``rte_is_ctrlmbuf()``
+ - ``CTRL_MBUF_FLAG``
+
+ The packet mbuf API should be used as a replacement.
+
+* mbuf: The opaque ``mbuf->hash.sched`` field will be updated to support generic
+ definition in line with the ethdev TM and MTR APIs. Currently, this field
+ is defined in librte_sched in a non-generic way. The new generic format
+ will contain: queue ID, traffic class, color. Field size will not change.
+
+* 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
Target release for removal of the legacy API will be defined once most
PMDs have switched to rte_flow.
-* ethdev: The device flag advertizing hotplug capability
- ``RTE_ETH_DEV_DETACHABLE`` is not needed anymore and will be removed in
- v17.11.
- This capability is verified upon calling the relevant hotplug functions in EAL
- by checking that the ``unplug`` ops is set in the bus. This verification is
- done by the EAL and not by the ``ethdev`` layer anymore. Users relying on this
- flag being present only have to remove their checks to follow the change.
+* ethdev: A new rss level field planned in 18.05.
+ The new API add rss_level field to ``rte_eth_rss_conf`` to enable a choice
+ of RSS hash calculation on outer or inner header of tunneled packet.
-* ABI/API changes are planned for 17.11 in all structures which include port_id
- definition such as "rte_eth_dev_data", "rte_port_ethdev_reader_params",
- "rte_port_ethdev_writer_params", and so on. The definition of port_id will be
- changed from 8 bits to 16 bits in order to support more than 256 ports in
- DPDK. All APIs which have port_id parameter will be changed at the same time.
+* i40e: The default flexible payload configuration which extracts the first 16
+ bytes of the payload for RSS will be deprecated starting from 18.02. If
+ required the previous behavior can be configured using existing flow
+ director APIs. There is no ABI/API break. This change will just remove a
+ global configuration setting and require explicit configuration.
-* ethdev: An ABI change is planned for 17.11 for the structure rte_eth_dev_data.
- The size of the unique name will increase RTE_ETH_NAME_MAX_LEN from 32 to
- 64 characters to allow using a globally unique identifier (GUID) in this field.
+* librte_meter: The API will change to accommodate configuration profiles.
+ Most of the API functions will have an additional opaque parameter.
-* ethdev: new parameters - ``rte_security_capabilities`` and
- ``rte_security_ops`` will be added to ``rte_eth_dev_info`` and
- ``rte_eth_dev`` respectively to support security operations like
- ipsec inline.
-
-* cryptodev: new parameters - ``rte_security_capabilities`` and
- ``rte_security_ops`` will be added to ``rte_cryptodev_info`` and
- ``rte_cryptodev`` respectively to support security protocol offloaded
- operations.
-
-* cryptodev: the following function is deprecated starting from 17.08 and will
- be removed in 17.11:
-
- - ``rte_cryptodev_create_vdev``
-
-* cryptodev: the following function will be static in 17.11 and included
- by all crypto drivers, therefore, will not be public:
-
- - ``rte_cryptodev_vdev_pmd_init``
-
-* cryptodev: the following function will have an extra parameter, passing a
- statically allocated crypto driver structure, instead of calling malloc,
- in 17.11:
-
- - ``rte_cryptodev_allocate_driver``
-
-* librte_table: The ``key_mask`` parameter will be added to all the hash tables
- that currently do not have it, as well as to the hash compute function prototype.
- The non-"do-sig" versions of the hash tables will be removed
- (including the ``signature_offset`` parameter)
- and the "do-sig" versions renamed accordingly.
+* ring: The alignment constraints on the ring structure will be relaxed
+ to one cache line instead of two, and an empty cache line padding will
+ be added between the producer and consumer structures. The size of the
+ structure and the offset of the fields will remain the same on
+ platforms with 64B cache line, but will change on other platforms.