* eal: The function ``rte_eal_remote_launch`` will return new error codes
after read or write error on the pipe, instead of calling ``rte_panic``.
-* eal: Making ``struct rte_intr_handle`` internal to avoid any ABI breakages
- in future.
-
* rte_atomicNN_xxx: These APIs do not take memory order parameter. This does
not allow for writing optimized code for all the CPU architectures supported
in DPDK. DPDK has adopted the atomic operations from
``__atomic_thread_fence`` must be used for patches that need to be merged in
20.08 onwards. This change will not introduce any performance degradation.
-* mbuf: The mbuf offload flags ``PKT_*`` will be renamed as ``RTE_MBUF_F_*``.
- A compatibility layer will be kept until DPDK 22.11, except for the flags
- that are already deprecated (``PKT_RX_L4_CKSUM_BAD``, ``PKT_RX_IP_CKSUM_BAD``,
- ``PKT_RX_EIP_CKSUM_BAD``, ``PKT_TX_QINQ_PKT``) which will be removed.
+* mempool: Helper macro ``MEMPOOL_HEADER_SIZE()`` is deprecated and will
+ be removed in DPDK 22.11. The replacement macro
+ ``RTE_MEMPOOL_HEADER_SIZE()`` is internal only.
+
+* mempool: Macro to register mempool driver ``MEMPOOL_REGISTER_OPS()`` is
+ deprecated and will be removed in DPDK 22.11. Use replacement macro
+ ``RTE_MEMPOOL_REGISTER_OPS()``.
+
+* mempool: The mempool API macros ``MEMPOOL_PG_*`` are deprecated and
+ will be removed in DPDK 22.11.
* pci: To reduce unnecessary ABIs exposed by DPDK bus driver, "rte_bus_pci.h"
will be made internal in 21.11 and macros/data structures/functions defined
``RTE_ETH_FLOW_MAX`` is one sample of the mentioned case, adding a new flow
type will break the ABI because of ``flex_mask[RTE_ETH_FLOW_MAX]`` array
usage in following public struct hierarchy:
- ``rte_eth_fdir_flex_conf -> rte_fdir_conf -> rte_eth_conf (in the middle)``.
+ ``rte_eth_fdir_flex_conf -> rte_eth_fdir_conf -> rte_eth_conf (in the middle)``.
Need to identify this kind of usages and fix in 20.11, otherwise this blocks
us extending existing enum/define.
One solution can be using a fixed size array instead of ``.*MAX.*`` value.
-* ethdev: Will add ``RTE_ETH_`` prefix to all ethdev macros/enums in v21.11.
- Macros will be added for backward compatibility.
- Backward compatibility macros will be removed on v22.11.
- A few old backward compatibility macros from 2013 that does not have
- proper prefix will be removed on v21.11.
-
* ethdev: The flow director API, including ``rte_eth_conf.fdir_conf`` field,
and the related structures (``rte_fdir_*`` and ``rte_eth_fdir_*``),
will be removed in DPDK 20.11.
-* ethdev: New offload flags ``DEV_RX_OFFLOAD_FLOW_MARK`` will be added in 19.11.
- This will allow application to enable or disable PMDs from updating
- ``rte_mbuf::hash::fdir``.
- This scheme will allow PMDs to avoid writes to ``rte_mbuf`` fields on Rx and
- thereby improve Rx performance if application wishes do so.
- In 19.11 PMDs will still update the field even when the offload is not
- enabled.
-
-* ethdev: ``uint32_t max_rx_pkt_len`` field of ``struct rte_eth_rxmode``, will be
- replaced by a new ``uint32_t mtu`` field of ``struct rte_eth_conf`` in v21.11.
- The new ``mtu`` field will be used to configure the initial device MTU via
- ``rte_eth_dev_configure()`` API.
- Later MTU can be changed by ``rte_eth_dev_set_mtu()`` API as done now.
- The existing ``(struct rte_eth_dev)->data->mtu`` variable will be used to store
- the configured ``mtu`` value,
- and this new ``(struct rte_eth_dev)->data->dev_conf.mtu`` variable will
- be used to store the user configuration request.
- Unlike ``max_rx_pkt_len``, which was valid only when ``JUMBO_FRAME`` enabled,
- ``mtu`` field will be always valid.
- When ``mtu`` config is not provided by the application, default ``RTE_ETHER_MTU``
- value will be used.
- ``(struct rte_eth_dev)->data->mtu`` should be updated after MTU set successfully,
- either by ``rte_eth_dev_configure()`` or ``rte_eth_dev_set_mtu()``.
-
- An application may need to configure device for a specific Rx packet size, like for
- cases ``DEV_RX_OFFLOAD_SCATTER`` is not supported and device received packet size
- can't be bigger than Rx buffer size.
- To cover these cases an application needs to know the device packet overhead to be
- able to calculate the ``mtu`` corresponding to a Rx buffer size, for this
- ``(struct rte_eth_dev_info).max_rx_pktlen`` will be kept,
- the device packet overhead can be calculated as:
- ``(struct rte_eth_dev_info).max_rx_pktlen - (struct rte_eth_dev_info).max_mtu``
-
-* ethdev: ``rx_descriptor_done`` dev_ops and ``rte_eth_rx_descriptor_done``
- will be removed in 21.11.
- Existing ``rte_eth_rx_descriptor_status`` and ``rte_eth_tx_descriptor_status``
- APIs can be used as replacement.
-
-* ethdev: The port mirroring API can be replaced with a more fine grain flow API.
- The structs ``rte_eth_mirror_conf``, ``rte_eth_vlan_mirror`` and the functions
- ``rte_eth_mirror_rule_set``, ``rte_eth_mirror_rule_reset`` will be marked
- as deprecated in DPDK 20.11, along with the associated macros ``ETH_MIRROR_*``.
- This API will be fully removed in DPDK 21.11.
-
-* ethdev: Attribute ``shared`` of the ``struct rte_flow_action_count``
- is deprecated and will be removed in DPDK 21.11. Shared counters should
- be managed using shared actions API (``rte_flow_shared_action_create`` etc).
+* ethdev: Announce moving from dedicated modify function for each field,
+ to using the general ``rte_flow_modify_field`` action.
* ethdev: The flow API matching pattern structures, ``struct rte_flow_item_*``,
should start with relevant protocol header.
will be limited to maximum 256 queues.
Also compile time flag ``RTE_ETHDEV_QUEUE_STAT_CNTRS`` will be removed.
-* ethdev: The offload flag ``PKT_RX_EIP_CKSUM_BAD`` will be removed and
- replaced by the new flag ``PKT_RX_OUTER_IP_CKSUM_BAD``. The new name is more
- consistent with existing outer header checksum status flag naming, which
- should help in reducing confusion about its usage.
-
-* i40e: As there are both i40evf and iavf pmd, the functions of them are
- duplicated. And now more and more advanced features are developed on iavf.
- To keep consistent with kernel driver's name
- (https://patchwork.ozlabs.org/patch/970154/), i40evf is no need to maintain.
- Starting from 21.05, the default VF driver of i40e will be iavf, but i40evf
- can still be used if users specify the devarg "driver=i40evf". I40evf will
- be deleted in DPDK 21.11.
+* ethdev: Items and actions ``PF``, ``VF``, ``PHY_PORT``, ``PORT_ID`` are
+ deprecated as hard-to-use / ambiguous and will be removed in DPDK 22.11.
-* net: ``s_addr`` and ``d_addr`` fields of ``rte_ether_hdr`` structure
- will be renamed in DPDK 21.11 to avoid conflict with Windows Sockets headers.
+* ethdev: The use of attributes ``ingress`` / ``egress`` in "transfer" flows
+ is deprecated as ambiguous with respect to the embedded switch. The use of
+ these attributes will become invalid starting from DPDK 22.11.
-* net: The structure ``rte_ipv4_hdr`` will have two unions.
- The first union is for existing ``version_ihl`` byte
- and new bitfield for version and IHL.
- The second union is for existing ``fragment_offset``
- and new bitfield for fragment flags and offset.
+* ethdev: Actions ``OF_SET_MPLS_TTL``, ``OF_DEC_MPLS_TTL``, ``OF_SET_NW_TTL``,
+ ``OF_COPY_TTL_OUT``, ``OF_COPY_TTL_IN`` are deprecated as not supported by
+ any PMD, so they will be removed in DPDK 22.11.
-* compressdev: ``min`` and ``max`` fields of ``rte_param_log2_range`` structure
- will be renamed in DPDK 21.11 to avoid conflict with Windows Sockets headers.
+* ethdev: Actions ``OF_DEC_NW_TTL``, ``SET_IPV4_SRC``, ``SET_IPV4_DST``,
+ ``SET_IPV6_SRC``, ``SET_IPV6_DST``, ``SET_TP_SRC``, ``SET_TP_DST``,
+ ``DEC_TTL``, ``SET_TTL``, ``SET_MAC_SRC``, ``SET_MAC_DST``, ``INC_TCP_SEQ``,
+ ``DEC_TCP_SEQ``, ``INC_TCP_ACK``, ``DEC_TCP_ACK``, ``SET_IPV4_DSCP``,
+ ``SET_IPV6_DSCP``, ``SET_TAG``, ``SET_META`` are marked as legacy and
+ superseded by the generic MODIFY_FIELD action.
+ The legacy actions should be deprecated in 22.07, once MODIFY_FIELD
+ alternative is implemented.
+ The legacy actions should be removed in DPDK 22.11.
-* cryptodev: ``min`` and ``max`` fields of ``rte_crypto_param_range`` structure
- will be renamed in DPDK 21.11 to avoid conflict with Windows Sockets headers.
+* cryptodev: Hide structures ``rte_cryptodev_sym_session`` and
+ ``rte_cryptodev_asym_session`` to remove unnecessary indirection between
+ session and the private data of session. An opaque pointer can be exposed
+ directly to application which can be attached to the ``rte_crypto_op``.
-* cryptodev: The field ``dataunit_len`` of the ``struct rte_crypto_cipher_xform``
- has a limited size ``uint16_t``.
- It will be moved and extended as ``uint32_t`` in DPDK 21.11.
-
-* cryptodev: The interface between library and drivers will be marked
- as internal in DPDK 21.11.
-
-* eventdev: The structure ``rte_event_eth_rx_adapter_queue_conf`` will be
- extended to include ``rte_event_eth_rx_adapter_event_vector_config`` elements
- and the function ``rte_event_eth_rx_adapter_queue_event_vector_config`` will
- be removed in DPDK 21.11.
-
- An application can enable event vectorization by passing the desired vector
- values to the function ``rte_event_eth_rx_adapter_queue_add`` using
- the structure ``rte_event_eth_rx_adapter_queue_add``.
+* security: Hide structure ``rte_security_session`` and expose an opaque
+ pointer for the private data to the application which can be attached
+ to the packet while enqueuing.
* metrics: The function ``rte_metrics_init`` will have a non-void return
in order to notify errors instead of calling ``rte_exit``.
-* cmdline: ``cmdline`` structure will be made opaque to hide platform-specific
- content. On Linux and FreeBSD, supported prior to DPDK 20.11,
- original structure will be kept until DPDK 21.11.
-
-* security: The functions ``rte_security_set_pkt_metadata`` and
- ``rte_security_get_userdata`` will be made inline functions and additional
- flags will be added in structure ``rte_security_ctx`` in DPDK 21.11.
-
-* cryptodev: The structure ``rte_crypto_op`` would be updated to reduce
- reserved bytes to 2 (from 3), and use 1 byte to indicate warnings and other
- information from the crypto/security operation. This field will be used to
- communicate events such as soft expiry with IPsec in lookaside mode.
+* raw/ioat: The ``ioat`` rawdev driver has been deprecated, since it's
+ functionality is provided through the new ``dmadev`` infrastructure.
+ To continue to use hardware previously supported by the ``ioat`` rawdev driver,
+ applications should be updated to use the ``dmadev`` library instead,
+ with the underlying HW-functionality being provided by the ``ioat`` or
+ ``idxd`` dma drivers