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Diffstat (limited to 'doc/guides/rel_notes/deprecation.rst')
| -rw-r--r-- | doc/guides/rel_notes/deprecation.rst | 146 |
1 files changed, 69 insertions, 77 deletions
diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst index ba9b5a21..3362f335 100644 --- a/doc/guides/rel_notes/deprecation.rst +++ b/doc/guides/rel_notes/deprecation.rst @@ -9,64 +9,51 @@ Deprecation Notices ------------------- * eal: the following functions are deprecated starting from 17.05 and will - be removed in 17.08: + 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`` -* devargs: An ABI change is planned for 17.08 for the structure ``rte_devargs``. - The current version is dependent on bus-specific device identifier, which will - be made generic and abstracted, in order to make the EAL bus-agnostic. - - Accompanying this evolution, device command line parameters will thus support - explicit bus definition in a device declaration. - -* igb_uio: iomem mapping and sysfs files created for iomem and ioport in - igb_uio will be removed, because we are able to detect these from what Linux - has exposed, like the way we have done with uio-pci-generic. This change - targets release 17.05. - -* The VDEV subsystem will be converted as driver of the new bus model. - It may imply some EAL API changes in 17.08. - -* The struct ``rte_pci_driver`` is planned to be removed from - ``rte_cryptodev_driver`` and ``rte_eventdev_driver`` in 17.08. - -* ethdev: An API change is planned for 17.08 for the function - ``_rte_eth_dev_callback_process``. In 17.08 the function will return an ``int`` - instead of ``void`` and a fourth parameter ``void *ret_param`` will be added. - -* ethdev: for 17.08 it is planned to deprecate the following nine rte_eth_dev_* - functions and move them into the ixgbe PMD: - - ``rte_eth_dev_bypass_init``, ``rte_eth_dev_bypass_state_set``, - ``rte_eth_dev_bypass_state_show``, ``rte_eth_dev_bypass_event_store``, - ``rte_eth_dev_bypass_event_show``, ``rte_eth_dev_wd_timeout_store``, - ``rte_eth_dev_bypass_wd_timeout_show``, ``rte_eth_dev_bypass_ver_show``, - ``rte_eth_dev_bypass_wd_reset``. - - The following fields will be removed from ``struct eth_dev_ops``: - - ``bypass_init_t``, ``bypass_state_set_t``, ``bypass_state_show_t``, - ``bypass_event_set_t``, ``bypass_event_show_t``, ``bypass_wd_timeout_set_t``, - ``bypass_wd_timeout_show_t``, ``bypass_ver_show_t``, ``bypass_wd_reset_t``. - - The functions will be renamed to the following, and moved to the ``ixgbe`` PMD: - - ``rte_pmd_ixgbe_bypass_init``, ``rte_pmd_ixgbe_bypass_state_set``, - ``rte_pmd_ixgbe_bypass_state_show``, ``rte_pmd_ixgbe_bypass_event_set``, - ``rte_pmd_ixgbe_bypass_event_show``, ``rte_pmd_ixgbe_bypass_wd_timeout_set``, - ``rte_pmd_ixgbe_bypass_wd_timeout_show``, ``rte_pmd_ixgbe_bypass_ver_show``, - ``rte_pmd_ixgbe_bypass_wd_reset``. +* 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 17.05 and will be removed in 17.08. + 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 17.08. +* 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 @@ -81,47 +68,52 @@ Deprecation Notices Target release for removal of the legacy API will be defined once most PMDs have switched to rte_flow. -* cryptodev: All PMD names definitions will be moved to the individual PMDs - in 17.08. +* 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. -* cryptodev: The following changes will be done in in 17.08: +* 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. - - the device type enumeration ``rte_cryptodev_type`` will be removed - - the following structures will be changed: ``rte_cryptodev_session``, - ``rte_cryptodev_sym_session``, ``rte_cryptodev_info``, ``rte_cryptodev`` - - the function ``rte_cryptodev_count_devtype`` will be replaced by - ``rte_cryptodev_device_count_by_driver`` +* 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. -* cryptodev: API changes are planned for 17.08 for the sessions management - to make it agnostic to the underlying devices, removing coupling with - crypto PMDs, so a single session can be used on multiple devices. +* 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. - - ``struct rte_cryptodev_sym_session``, dev_id, dev_type will be removed, - _private field changed to the indirect array of private data pointers of - all supported devices +* 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. - An API of followed functions will be changed to allow operate on multiple - devices with one session: +* cryptodev: the following function is deprecated starting from 17.08 and will + be removed in 17.11: - - ``rte_cryptodev_sym_session_create`` - - ``rte_cryptodev_sym_session_free`` - - ``rte_cryptodev_sym_session_pool_create`` + - ``rte_cryptodev_create_vdev`` - While dev_id will not be stored in the ``struct rte_cryptodev_sym_session``, - directly, the change of followed API is required: +* cryptodev: the following function will be static in 17.11 and included + by all crypto drivers, therefore, will not be public: - - ``rte_cryptodev_queue_pair_attach_sym_session`` - - ``rte_cryptodev_queue_pair_detach_sym_session`` + - ``rte_cryptodev_vdev_pmd_init`` -* cryptodev: the structures ``rte_crypto_op``, ``rte_crypto_sym_op`` - and ``rte_crypto_sym_xform`` will be restructured in 17.08, - for correctness and improvement. +* cryptodev: the following function will have an extra parameter, passing a + statically allocated crypto driver structure, instead of calling malloc, + in 17.11: -* crypto/scheduler: the following two functions are deprecated starting - from 17.05 and will be removed in 17.08: + - ``rte_cryptodev_allocate_driver`` - - ``rte_crpytodev_scheduler_mode_get``, replaced by ``rte_cryptodev_scheduler_mode_get`` - - ``rte_crpytodev_scheduler_mode_set``, replaced by ``rte_cryptodev_scheduler_mode_set`` +* librte_meter: The API will change to accommodate configuration profiles. + Most of the API functions will have an additional opaque parameter. * 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. |