9c30a6f3c9
Spell checked and corrected documentation. If there are any errors, or I have changed something that wasn't an error please reach out to me so I can update the dictionary. Cc: stable@dpdk.org Signed-off-by: Henry Nadeau <hnadeau@iol.unh.edu>
625 lines
21 KiB
ReStructuredText
625 lines
21 KiB
ReStructuredText
.. SPDX-License-Identifier: BSD-3-Clause
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Copyright 2016 The DPDK contributors
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DPDK Release 2.2
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================
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New Features
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------------
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* **Introduce ARMv7 and ARMv8 architectures.**
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* It is now possible to build DPDK for the ARMv7 and ARMv8 platforms.
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* ARMv7 can be tested with virtual PMD drivers.
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* ARMv8 can be tested with virtual and physical PMD drivers.
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* **Enabled freeing of ring.**
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A new function ``rte_ring_free()`` has been added to allow the user to free
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a ring if it was created with ``rte_ring_create()``.
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* **Added keepalive support to EAL and example application.**
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* **Added experimental cryptodev API**
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The cryptographic processing of packets is provided as a preview
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with two drivers for:
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* Intel QuickAssist devices
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* Intel AES-NI multi-buffer library
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Due to its experimental state, the API may change without prior notice.
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* **Added ethdev APIs for additional IEEE1588 support.**
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Added functions to read, write and adjust system time in the NIC.
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Added client slave sample application to demonstrate the IEEE1588
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functionality.
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* **Extended Statistics.**
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Defined an extended statistics naming scheme to store metadata in the name
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string of each statistic. Refer to the Extended Statistics section of the
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Programmers Guide for more details.
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Implemented the extended statistics API for the following PMDs:
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* ``igb``
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* ``igbvf``
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* ``i40e``
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* ``i40evf``
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* ``fm10k``
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* ``virtio``
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* **Added API in ethdev to retrieve RX/TX queue information.**
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* Added the ability for the upper layer to query RX/TX queue information.
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* Added new fields in ``rte_eth_dev_info`` to represent information about
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RX/TX descriptors min/max/align numbers, per queue, for the device.
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* **Added RSS dynamic configuration to bonding.**
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* **Updated the e1000 base driver.**
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The e1000 base driver was updated with several features including the
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following:
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* Added new i218 devices
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* Allowed both ULP and EEE in Sx state
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* Initialized 88E1543 (Marvell 1543) PHY
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* Added flags to set EEE advertisement modes
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* Supported inverted format ETrackId
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* Added bit to disable packetbuffer read
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* Added defaults for i210 RX/TX PBSIZE
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* Check more errors for ESB2 init and reset
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* Check more NVM read errors
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* Return code after setting receive address register
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* Removed all NAHUM6LP_HW tags
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* **Added e1000 RX interrupt support.**
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* **Added igb TSO support for both PF and VF.**
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* **Added RSS enhancements to Intel x550 NIC.**
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* Added support for 512 entry RSS redirection table.
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* Added support for per VF RSS redirection table.
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* **Added Flow director enhancements on Intel x550 NIC.**
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* Added 2 new flow director modes on x550.
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One is MAC VLAN mode, the other is tunnel mode.
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* **Updated the i40e base driver.**
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The i40e base driver was updated with several changes including the
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following:
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* Added promiscuous on VLAN support
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* Added a workaround to drop all flow control frames
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* Added VF capabilities to virtual channel interface
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* Added TX Scheduling related AQ commands
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* Added additional PCTYPES supported for FortPark RSS
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* Added parsing for CEE DCBX TLVs
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* Added FortPark specific registers
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* Added AQ functions to handle RSS Key and LUT programming
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* Increased PF reset max loop limit
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* **Added i40e vector RX/TX.**
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* **Added i40e RX interrupt support.**
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* **Added i40e flow control support.**
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* **Added DCB support to i40e PF driver.**
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* **Added RSS/FD input set granularity on Intel X710/XL710.**
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* **Added different GRE key length for input set on Intel X710/XL710.**
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* **Added flow director support in i40e VF.**
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* **Added i40e support of early X722 series.**
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Added early X722 support, for evaluation only, as the hardware is alpha.
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* **Added fm10k vector RX/TX.**
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* **Added fm10k TSO support for both PF and VF.**
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* **Added fm10k VMDQ support.**
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* **New NIC Boulder Rapid support.**
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Added support for the Boulder Rapid variant of Intel's fm10k NIC family.
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* **Enhanced support for the Chelsio CXGBE driver.**
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* Added support for Jumbo Frames.
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* Optimized forwarding performance for Chelsio T5 40GbE cards.
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* **Improved enic TX packet rate.**
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Reduced frequency of TX tail pointer updates to the NIC.
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* **Added support for link status interrupts in mlx4.**
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* **Added partial support (TX only) for secondary processes in mlx4.**
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* **Added support for Mellanox ConnectX-4 adapters (mlx5).**
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The mlx5 poll-mode driver implements support for Mellanox ConnectX-4 EN
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and Mellanox ConnectX-4 Lx EN families of 10/25/40/50/100 Gb/s adapters.
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Like mlx4, this PMD is only available for Linux and is disabled by default
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due to external dependencies (libibverbs and libmlx5).
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* **Added driver for Netronome nfp-6xxx card.**
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Support for using Netronome nfp-6xxx with PCI VFs.
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* **Added virtual szedata2 driver for COMBO cards.**
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Added virtual PMD for COMBO-100G and COMBO-80G cards.
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PMD is disabled in default configuration.
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* **Enhanced support for virtio driver.**
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* Virtio ring layout optimization (fixed avail ring)
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* Vector RX
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* Simple TX
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* **Added vhost-user multiple queue support.**
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* **Added port hotplug support to vmxnet3.**
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* **Added port hotplug support to xenvirt.**
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* **Added ethtool shim and sample application.**
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* **Added experimental performance thread example application.**
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The new sample application demonstrates L3 forwarding with different threading
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models: pthreads, cgroups, or lightweight threads. The example includes
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a simple cooperative scheduler.
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Due to its experimental state this application may change without notice.
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The application is supported only for Linux x86_64.
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* **Enhancements to the IP pipeline application.**
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The following features have been added to the ``ip_pipeline``
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application;
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* Added Multiple Producers/Multiple Consumers (MPSC)
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and fragmentation/reassembly support to software rings.
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* Added a dynamic pipeline reconfiguration feature that
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allows binding a pipeline to other threads at runtime
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using CLI commands.
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* Added enable/disable of ``promisc`` mode from ``ip_pipeline``
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configuration file.
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* Added check on RX queues and TX queues of each link
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whether they are used correctly in the ``ip_pipeline``
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configuration file.
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* Added flow id parameters to the flow-classification
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table entries.
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* Added more functions to the routing pipeline:
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ARP table enable/disable, Q-in-Q and MPLS encapsulation,
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add color (traffic-class for QoS) to the MPLS tag.
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* Added flow-actions pipeline for traffic metering/marking
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(for e.g. Two Rate Three Color Marker (trTCM)), policer etc.
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* Modified the pass-through pipeline's actions-handler to
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implement a generic approach to extract fields from the
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packet's header and copy them to packet metadata.
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Resolved Issues
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---------------
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EAL
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~~~
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* **eal/linux: Fixed epoll timeout.**
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Fixed issue where the ``rte_epoll_wait()`` function didn't return when the
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underlying call to ``epoll_wait()`` timed out.
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Drivers
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~~~~~~~
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* **e1000/base: Synchronize PHY interface on non-ME systems.**
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On power up, the MAC - PHY interface needs to be set to PCIe, even if the
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cable is disconnected. In ME systems, the ME handles this on exit from the
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Sx (Sticky mode) state. In non-ME, the driver handles it. Added a check for
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non-ME system to the driver code that handles it.
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* **e1000/base: Increased timeout of reset check.**
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Previously, in ``check_reset_block`` RSPCIPHY was polled for 100 ms before
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determining that the ME veto was set. This was not enough and it was
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increased to 300 ms.
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* **e1000/base: Disabled IPv6 extension header parsing on 82575.**
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Disabled IPv6 options as per hardware limitation.
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* **e1000/base: Prevent ULP flow if cable connected.**
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Enabling ULP on link down when the cable is connected caused an infinite
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loop of link up/down indications in the NDIS driver.
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The driver now enables ULP only when the cable is disconnected.
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* **e1000/base: Support different EEARBC for i210.**
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EEARBC has changed on i210. It means EEARBC has a different address on
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i210 than on other NICs. So, add a new entity named EEARBC_I210 to the
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register list and make sure the right one is being used on i210.
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* **e1000/base: Fix K1 configuration.**
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Added fix for the following updates to the K1 configurations:
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TX idle period for entering K1 should be 128 ns.
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Minimum TX idle period in K1 should be 256 ns.
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* **e1000/base: Fix link detect flow.**
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Fix link detect flow in case where auto-negotiate is not enabled, by calling
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``e1000_setup_copper_link_generic`` instead of ``e1000_phy_setup_autoneg``.
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* **e1000/base: Fix link check for i354 M88E1112 PHY.**
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The ``e1000_check_for_link_media_swap()`` function is supposed to check PHY
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page 0 for copper and PHY page 1 for "other" (fiber) links. The driver
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switched back from page 1 to page 0 too soon, before
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``e1000_check_for_link_82575()`` is executed and was never finding the link
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on the fiber (other).
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If the link is copper, as the M88E1112 page address is set to 1, it should be
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set back to 0 before checking this link.
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* **e1000/base: Fix beacon duration for i217.**
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Fix for I217 Packet Loss issue - The Management Engine sets the FEXTNVM4
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Beacon Duration incorrectly. This fix ensures that the correct value will
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always be set. Correct value for this field is 8 usec.
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* **e1000/base: Fix TIPG for non 10 half duplex mode.**
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TIPG value is increased when setting speed to 10 half duplex to prevent
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packet loss. However, it was never decreased again when speed
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changed. This caused performance issues in the NDIS driver.
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Fix this to restore TIPG to default value on non 10 half duplex.
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* **e1000/base: Fix reset of DH89XXCC SGMII.**
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For DH89XXCC_SGMII, a write flush leaves registers of this device trashed
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(0xFFFFFFFF). Add check for this device.
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Also, after both Port SW Reset and Device Reset case, the platform should
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wait at least 3ms before reading any registers. Remove this condition since
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waiting is conditionally executed only for Device Reset.
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* **e1000/base: Fix redundant PHY power down for i210.**
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Bit 11 of PHYREG 0 is used to power down PHY. The use of PHYREG 16 is
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no longer necessary.
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* **e1000/base: fix jumbo frame CRC failures.**
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Change the value of register 776.20[11:2] for jumbo mode from 0x1A to 0x1F.
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This is to enlarge the gap between read and write pointers in the TX FIFO.
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* **e1000/base: Fix link flap on 82579.**
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Several customers have reported a link flap issue on 82579. The symptoms
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are random and intermittent link losses when 82579 is connected to specific
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switches. the Issue was root caused as an interoperability problem between
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the NIC and at least some Broadcom PHYs in the Energy Efficient Ethernet
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wake mechanism.
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To fix the issue, we are disabling the Phase Locked Loop shutdown in 100M
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Low Power Idle. This solution will cause an increase of power in 100M EEE
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link. It may cost an additional 28mW in this specific mode.
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* **igb: Fixed IEEE1588 frame identification in I210.**
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Fixed issue where the flag ``PKT_RX_IEEE1588_PTP`` was not being set
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in the Intel I210 NIC, as the EtherType in RX descriptor is in bits 8:10 of
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Packet Type and not in the default bits 0:2.
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* **igb: Fixed VF start with PF stopped.**
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VF needs the PF interrupt support initialized even if not started.
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* **igb: Fixed VF MAC address when using with DPDK PF.**
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Assign a random MAC address in VF when not assigned by PF.
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* **igb: Removed CRC bytes from byte counter statistics.**
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* **ixgbe: Fixed issue with X550 DCB.**
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Fixed a DCB issue with x550 where for 8 TCs (Traffic Classes), if a packet
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with user priority 6 or 7 was injected to the NIC, then the NIC would only
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put 3 packets into the queue. There was also a similar issue for 4 TCs.
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* **ixgbe: Removed burst size restriction of vector RX.**
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Fixed issue where a burst size less than 32 didn't receive anything.
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* **ixgbe: Fixed VF start with PF stopped.**
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VF needs the PF interrupt support initialized even if not started.
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* **ixgbe: Fixed TX hang when RS distance exceeds HW limit.**
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Fixed an issue where the TX queue can hang when a lot of highly fragmented
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packets have to be sent. As part of that fix, ``tx_rs_thresh`` for ixgbe PMD
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is not allowed to be greater then to 32 to comply with HW restrictions.
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* **ixgbe: Fixed rx error statistic counter.**
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Fixed an issue that the rx error counter of ixgbe was not accurate. The
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mac short packet discard count (mspdc) was added to the counter. Mac local
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faults and mac remote faults are removed as they do not count packets but
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errors, and jabber errors were removed as they are already accounted for
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by the CRC error counter. Finally the XEC (l3 / l4 checksum error) counter
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was removed due to errata, see commit 256ff05a9cae for details.
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* **ixgbe: Removed CRC bytes from byte counter statistics.**
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* **i40e: Fixed base driver allocation when not using first numa node.**
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Fixed i40e issue that occurred when a DPDK application didn't initialize
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ports if memory wasn't available on socket 0.
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* **i40e: Fixed maximum of 64 queues per port.**
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Fixed an issue in i40e where it would not support more than 64 queues per
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port, even though the hardware actually supports it. The real number of
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queues may vary, as long as the total number of queues used in PF, VFs, VMDq
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and FD does not exceeds the hardware maximum.
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* **i40e: Fixed statistics of packets.**
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Added discarding packets on VSI to the stats and rectify the old statistics.
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* **i40e: Fixed issue of not freeing memzone.**
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Fixed an issue of not freeing a memzone in the call to free the memory for
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adminq DMA.
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* **i40e: Removed CRC bytes from byte counter statistics.**
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* **mlx: Fixed driver loading.**
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The mlx drivers were unable to load when built as a shared library,
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due to a missing symbol in the mempool library.
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* **mlx4: Performance improvements.**
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Fixed bugs in TX and RX flows that improves mlx4 performance.
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* **mlx4: Fixed TX loss after initialization.**
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* **mlx4: Fixed scattered TX with too many segments.**
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* **mlx4: Fixed memory registration for indirect mbuf data.**
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* **vhost: Fixed Qemu shutdown.**
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Fixed issue with libvirt ``virsh destroy`` not killing the VM.
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* **virtio: Fixed crash after changing link state.**
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Fixed IO permission in the interrupt handler.
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* **virtio: Fixed crash when releasing queue.**
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Fixed issue when releasing null control queue.
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Libraries
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~~~~~~~~~
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* **hash: Fixed memory allocation of Cuckoo Hash key table.**
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Fixed issue where an incorrect Cuckoo Hash key table size could be
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calculated limiting the size to 4GB.
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* **hash: Fixed incorrect lookup if key is all zero.**
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Fixed issue in hash library that occurred if an all zero
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key was not added to the table and the key was looked up,
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resulting in an incorrect hit.
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* **hash: Fixed thread scaling by reducing contention.**
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Fixed issue in the hash library where, using multiple cores with
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hardware transactional memory support, thread scaling did not work,
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due to the global ring that is shared by all cores.
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Examples
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~~~~~~~~
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* **l3fwd: Fixed crash with IPv6.**
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* **vhost_xen: Fixed compile error.**
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Other
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~~~~~
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* This release drops compatibility with Linux kernel 2.6.33. The minimum
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kernel requirement is now 2.6.34.
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Known Issues
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------------
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* Some drivers do not fill in the packet type when receiving.
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As the l3fwd example application requires this info, the i40e vector
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driver must be disabled to benefit of the packet type with i40e.
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* Some (possibly all) VF drivers (e.g. i40evf) do not handle any PF reset
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events/requests in the VF driver. This means that the VF driver may not work
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after a PF reset in the host side. The workaround is to avoid triggering any
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PF reset events/requests on the host side.
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* 100G link report support is missing.
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* **Mellanox PMDs (mlx4 & mlx5):**
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* PMDs do not support CONFIG_RTE_BUILD_COMBINE_LIBS and
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CONFIG_RTE_BUILD_SHARED_LIB simultaneously.
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* There is performance degradation for small packets when the PMD is
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compiled with ``SGE_WR_N = 4`` compared to the performance when ``SGE_WR_N
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= 1``. If scattered packets are not used it is recommended to compile the
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PMD with ``SGE_WR_N = 1``.
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* When a Multicast or Broadcast packet is sent to the SR-IOV mlx4 VF,
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it is returned back to the port.
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* PMDs report "bad" L4 checksum when IP packet is received.
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* mlx5 PMD reports "bad" checksum although the packet has "good" checksum.
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Will be fixed in upcoming MLNX_OFED release.
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API Changes
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-----------
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* The deprecated flow director API is removed.
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It was replaced by ``rte_eth_dev_filter_ctrl()``.
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* The ``dcb_queue`` is renamed to ``dcb_tc`` in following dcb configuration
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structures: ``rte_eth_dcb_rx_conf``, ``rte_eth_dcb_tx_conf``,
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``rte_eth_vmdq_dcb_conf``, ``rte_eth_vmdq_dcb_tx_conf``.
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* The ``rte_eth_rx_queue_count()`` function now returns "int" instead of
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"uint32_t" to allow the use of negative values as error codes on return.
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* The function ``rte_eal_pci_close_one()`` is removed.
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It was replaced by ``rte_eal_pci_detach()``.
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* The deprecated ACL API ``ipv4vlan`` is removed.
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* The deprecated hash function ``rte_jhash2()`` is removed.
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It was replaced by ``rte_jhash_32b()``.
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* The deprecated KNI functions are removed:
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``rte_kni_create()``, ``rte_kni_get_port_id()`` and ``rte_kni_info_get()``.
|
|
|
|
* The deprecated ring PMD functions are removed:
|
|
``rte_eth_ring_pair_create()`` and ``rte_eth_ring_pair_attach()``.
|
|
|
|
* The devargs union field ``virtual`` is renamed to ``virt`` for C++
|
|
compatibility.
|
|
|
|
|
|
ABI Changes
|
|
-----------
|
|
|
|
* The EAL and ethdev structures ``rte_intr_handle`` and ``rte_eth_conf`` were
|
|
changed to support RX interrupt. This was already included in 2.1 under the
|
|
``CONFIG_RTE_NEXT_ABI`` #define.
|
|
|
|
* The ethdev flow director entries for SCTP were changed.
|
|
This was already included in 2.1 under the ``CONFIG_RTE_NEXT_ABI`` #define.
|
|
|
|
* The ethdev flow director structure ``rte_eth_fdir_flow_ext`` structure was
|
|
changed. New fields were added to support flow director filtering in VF.
|
|
|
|
* The size of the ethdev structure ``rte_eth_hash_filter_info`` is changed
|
|
by adding a new element ``rte_eth_input_set_conf`` in a union.
|
|
|
|
* New fields ``rx_desc_lim`` and ``tx_desc_lim`` are added into
|
|
``rte_eth_dev_info`` structure.
|
|
|
|
* For debug builds, the functions ``rte_eth_rx_burst()``, ``rte_eth_tx_burst()``
|
|
``rte_eth_rx_descriptor_done()`` and ``rte_eth_rx_queue_count()`` will
|
|
no longer be separate functions in the DPDK libraries. Instead, they will
|
|
only be present in the ``rte_ethdev.h`` header file.
|
|
|
|
* The maximum number of queues per port ``CONFIG_RTE_MAX_QUEUES_PER_PORT`` is
|
|
increased to 1024.
|
|
|
|
* The mbuf structure was changed to support the unified packet type.
|
|
This was already included in 2.1 under the ``CONFIG_RTE_NEXT_ABI`` #define.
|
|
|
|
* The dummy malloc library is removed. The content was moved into EAL in 2.1.
|
|
|
|
* The LPM structure is changed. The deprecated field ``mem_location`` is
|
|
removed.
|
|
|
|
* librte_table LPM: A new parameter to hold the table name will be added to
|
|
the LPM table parameter structure.
|
|
|
|
* librte_table hash: The key mask parameter is added to the hash table
|
|
parameter structure for 8-byte key and 16-byte key extendable bucket
|
|
and LRU tables.
|
|
|
|
* librte_port: Macros to access the packet meta-data stored within the packet
|
|
buffer has been adjusted to cover the packet mbuf structure.
|
|
|
|
* librte_cfgfile: Allow longer names and values by increasing the constants
|
|
``CFG_NAME_LEN`` and ``CFG_VALUE_LEN`` to 64 and 256 respectively.
|
|
|
|
* vhost: a new field enabled is added to the ``vhost_virtqueue`` structure.
|
|
|
|
* vhost: a new field ``virt_qp_nb`` is added to ``virtio_net`` structure, and
|
|
the ``virtqueue`` field is moved to the end of virtio_net structure.
|
|
|
|
* vhost: a new operation ``vring_state_changed`` is added to
|
|
``virtio_net_device_ops`` structure.
|
|
|
|
* vhost: a few spaces are reserved both at ``vhost_virtqueue`` and
|
|
``virtio_net`` structure for future extension.
|
|
|
|
|
|
Shared Library Versions
|
|
-----------------------
|
|
|
|
The libraries prepended with a plus sign were incremented in this version.
|
|
|
|
.. code-block:: diff
|
|
|
|
+ libethdev.so.2
|
|
+ librte_acl.so.2
|
|
+ librte_cfgfile.so.2
|
|
librte_cmdline.so.1
|
|
librte_distributor.so.1
|
|
+ librte_eal.so.2
|
|
+ librte_hash.so.2
|
|
librte_ip_frag.so.1
|
|
librte_ivshmem.so.1
|
|
librte_jobstats.so.1
|
|
+ librte_kni.so.2
|
|
librte_kvargs.so.1
|
|
+ librte_lpm.so.2
|
|
+ librte_mbuf.so.2
|
|
librte_mempool.so.1
|
|
librte_meter.so.1
|
|
+ librte_pipeline.so.2
|
|
librte_pmd_bond.so.1
|
|
+ librte_pmd_ring.so.2
|
|
+ librte_port.so.2
|
|
librte_power.so.1
|
|
librte_reorder.so.1
|
|
librte_ring.so.1
|
|
librte_sched.so.1
|
|
+ librte_table.so.2
|
|
librte_timer.so.1
|
|
+ librte_vhost.so.2
|