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diff --git a/doc/guides/rel_notes/release_2_2.rst b/doc/guides/rel_notes/release_2_2.rst new file mode 100644 index 00000000..bb7d15a6 --- /dev/null +++ b/doc/guides/rel_notes/release_2_2.rst @@ -0,0 +1,621 @@ +DPDK Release 2.2 +================ + +New Features +------------ + +* **Introduce ARMv7 and ARMv8 architectures.** + + * It is now possible to build DPDK for the ARMv7 and ARMv8 platforms. + * ARMv7 can be tested with virtual PMD drivers. + * ARMv8 can be tested with virtual and physical PMD drivers. + +* **Enabled freeing of ring.** + + A new function ``rte_ring_free()`` has been added to allow the user to free + a ring if it was created with ``rte_ring_create()``. + +* **Added keepalive support to EAL and example application.** + +* **Added experimental cryptodev API** + + The cryptographic processing of packets is provided as a preview + with two drivers for: + + * Intel QuickAssist devices + * Intel AES-NI multi-buffer library + + Due to its experimental state, the API may change without prior notice. + +* **Added ethdev APIs for additional IEEE1588 support.** + + Added functions to read, write and adjust system time in the NIC. + Added client slave sample application to demonstrate the IEEE1588 + functionality. + +* **Extended Statistics.** + + Defined an extended statistics naming scheme to store metadata in the name + string of each statistic. Refer to the Extended Statistics section of the + Programmers Guide for more details. + + Implemented the extended statistics API for the following PMDs: + + * ``igb`` + * ``igbvf`` + * ``i40e`` + * ``i40evf`` + * ``fm10k`` + * ``virtio`` + +* **Added API in ethdev to retrieve RX/TX queue information.** + + * Added the ability for the upper layer to query RX/TX queue information. + * Added new fields in ``rte_eth_dev_info`` to represent information about + RX/TX descriptors min/max/align numbers, per queue, for the device. + +* **Added RSS dynamic configuration to bonding.** + +* **Updated the e1000 base driver.** + + The e1000 base driver was updated with several features including the + following: + + * Added new i218 devices + * Allowed both ULP and EEE in Sx state + * Initialized 88E1543 (Marvell 1543) PHY + * Added flags to set EEE advertisement modes + * Supported inverted format ETrackId + * Added bit to disable packetbuffer read + * Added defaults for i210 RX/TX PBSIZE + * Check more errors for ESB2 init and reset + * Check more NVM read errors + * Return code after setting receive address register + * Removed all NAHUM6LP_HW tags + +* **Added e1000 RX interrupt support.** + +* **Added igb TSO support for both PF and VF.** + +* **Added RSS enhancements to Intel x550 NIC.** + + * Added support for 512 entry RSS redirection table. + * Added support for per VF RSS redirection table. + +* **Added Flow director enhancements on Intel x550 NIC.** + + * Added 2 new flow director modes on x550. + One is MAC VLAN mode, the other is tunnel mode. + +* **Updated the i40e base driver.** + + The i40e base driver was updated with several changes including the + following: + + * Added promiscuous on VLAN support + * Added a workaround to drop all flow control frames + * Added VF capabilities to virtual channel interface + * Added TX Scheduling related AQ commands + * Added additional PCTYPES supported for FortPark RSS + * Added parsing for CEE DCBX TLVs + * Added FortPark specific registers + * Added AQ functions to handle RSS Key and LUT programming + * Increased PF reset max loop limit + +* **Added i40e vector RX/TX.** + +* **Added i40e RX interrupt support.** + +* **Added i40e flow control support.** + +* **Added DCB support to i40e PF driver.** + +* **Added RSS/FD input set granularity on Intel X710/XL710.** + +* **Added different GRE key length for input set on Intel X710/XL710.** + +* **Added flow director support in i40e VF.** + +* **Added i40e support of early X722 series.** + + Added early X722 support, for evaluation only, as the hardware is alpha. + +* **Added fm10k vector RX/TX.** + +* **Added fm10k TSO support for both PF and VF.** + +* **Added fm10k VMDQ support.** + +* **New NIC Boulder Rapid support.** + + Added support for the Boulder Rapid variant of Intel's fm10k NIC family. + +* **Enhanced support for the Chelsio CXGBE driver.** + + * Added support for Jumbo Frames. + * Optimized forwarding performance for Chelsio T5 40GbE cards. + +* **Improved enic TX packet rate.** + + Reduced frequency of TX tail pointer updates to the NIC. + +* **Added support for link status interrupts in mlx4.** + +* **Added partial support (TX only) for secondary processes in mlx4.** + +* **Added support for Mellanox ConnectX-4 adapters (mlx5).** + + The mlx5 poll-mode driver implements support for Mellanox ConnectX-4 EN + and Mellanox ConnectX-4 Lx EN families of 10/25/40/50/100 Gb/s adapters. + + Like mlx4, this PMD is only available for Linux and is disabled by default + due to external dependencies (libibverbs and libmlx5). + +* **Added driver for Netronome nfp-6xxx card.** + + Support for using Netronome nfp-6xxx with PCI VFs. + +* **Added virtual szedata2 driver for COMBO cards.** + + Added virtual PMD for COMBO-100G and COMBO-80G cards. + PMD is disabled in default configuration. + +* **Enhanced support for virtio driver.** + + * Virtio ring layout optimization (fixed avail ring) + * Vector RX + * Simple TX + +* **Added vhost-user multiple queue support.** + +* **Added port hotplug support to vmxnet3.** + +* **Added port hotplug support to xenvirt.** + +* **Added ethtool shim and sample application.** + +* **Added experimental performance thread example application.** + + The new sample application demonstrates L3 forwarding with different threading + models: pthreads, cgroups, or lightweight threads. The example includes + a simple cooperative scheduler. + + Due to its experimental state this application may change without notice. + The application is supported only for Linux x86_64. + +* **Enhancements to the IP pipeline application.** + + The following features have been added to the ``ip_pipeline`` + application; + + * Added Multiple Producers/Multiple Consumers (MPSC) + and fragmentation/reassembly support to software rings. + + * Added a dynamic pipeline reconfiguration feature that + allows binding a pipeline to other threads at runtime + using CLI commands. + + * Added enable/disable of ``promisc`` mode from ``ip_pipeline`` + configuration file. + + * Added check on RX queues and TX queues of each link + whether they are used correctly in the ``ip_pipeline`` + configuration file. + + * Added flow id parameters to the flow-classification + table entries. + + * Added more functions to the routing pipeline: + ARP table enable/disable, Q-in-Q and MPLS encapsulation, + add color (traffic-class for QoS) to the MPLS tag. + + * Added flow-actions pipeline for traffic metering/marking + (for e.g. Two Rate Three Color Marker (trTCM)), policer etc. + + * Modified the pass-through pipeline's actions-handler to + implement a generic approach to extract fields from the + packet's header and copy them to packet metadata. + + +Resolved Issues +--------------- + +EAL +~~~ + +* **eal/linux: Fixed epoll timeout.** + + Fixed issue where the ``rte_epoll_wait()`` function didn't return when the + underlying call to ``epoll_wait()`` timed out. + + +Drivers +~~~~~~~ + +* **e1000/base: Synchronize PHY interface on non-ME systems.** + + On power up, the MAC - PHY interface needs to be set to PCIe, even if the + cable is disconnected. In ME systems, the ME handles this on exit from the + Sx (Sticky mode) state. In non-ME, the driver handles it. Added a check for + non-ME system to the driver code that handles it. + +* **e1000/base: Increased timeout of reset check.** + + Previously, in ``check_reset_block`` RSPCIPHY was polled for 100 ms before + determining that the ME veto was set. This was not enough and it was + increased to 300 ms. + +* **e1000/base: Disabled IPv6 extension header parsing on 82575.** + + Disabled IPv6 options as per hardware limitation. + +* **e1000/base: Prevent ULP flow if cable connected.** + + Enabling ULP on link down when the cable is connected caused an infinite + loop of link up/down indications in the NDIS driver. + The driver now enables ULP only when the cable is disconnected. + +* **e1000/base: Support different EEARBC for i210.** + + EEARBC has changed on i210. It means EEARBC has a different address on + i210 than on other NICs. So, add a new entity named EEARBC_I210 to the + register list and make sure the right one is being used on i210. + +* **e1000/base: Fix K1 configuration.** + + Added fix for the following updates to the K1 configurations: + TX idle period for entering K1 should be 128 ns. + Minimum TX idle period in K1 should be 256 ns. + +* **e1000/base: Fix link detect flow.** + + Fix link detect flow in case where auto-negotiate is not enabled, by calling + ``e1000_setup_copper_link_generic`` instead of ``e1000_phy_setup_autoneg``. + +* **e1000/base: Fix link check for i354 M88E1112 PHY.** + + The ``e1000_check_for_link_media_swap()`` function is supposed to check PHY + page 0 for copper and PHY page 1 for "other" (fiber) links. The driver + switched back from page 1 to page 0 too soon, before + ``e1000_check_for_link_82575()`` is executed and was never finding the link + on the fiber (other). + + If the link is copper, as the M88E1112 page address is set to 1, it should be + set back to 0 before checking this link. + +* **e1000/base: Fix beacon duration for i217.** + + Fix for I217 Packet Loss issue - The Management Engine sets the FEXTNVM4 + Beacon Duration incorrectly. This fix ensures that the correct value will + always be set. Correct value for this field is 8 usec. + +* **e1000/base: Fix TIPG for non 10 half duplex mode.** + + TIPG value is increased when setting speed to 10 half duplex to prevent + packet loss. However, it was never decreased again when speed + changed. This caused performance issues in the NDIS driver. + Fix this to restore TIPG to default value on non 10 half duplex. + +* **e1000/base: Fix reset of DH89XXCC SGMII.** + + For DH89XXCC_SGMII, a write flush leaves registers of this device trashed + (0xFFFFFFFF). Add check for this device. + + Also, after both Port SW Reset and Device Reset case, the platform should + wait at least 3ms before reading any registers. Remove this condition since + waiting is conditionally executed only for Device Reset. + +* **e1000/base: Fix redundant PHY power down for i210.** + + Bit 11 of PHYREG 0 is used to power down PHY. The use of PHYREG 16 is + no longer necessary. + +* **e1000/base: fix jumbo frame CRC failures.** + + Change the value of register 776.20[11:2] for jumbo mode from 0x1A to 0x1F. + This is to enlarge the gap between read and write pointers in the TX FIFO. + +* **e1000/base: Fix link flap on 82579.** + + Several customers have reported a link flap issue on 82579. The symptoms + are random and intermittent link losses when 82579 is connected to specific + switches. the Issue was root caused as an inter-operability problem between + the NIC and at least some Broadcom PHYs in the Energy Efficient Ethernet + wake mechanism. + + To fix the issue, we are disabling the Phase Locked Loop shutdown in 100M + Low Power Idle. This solution will cause an increase of power in 100M EEE + link. It may cost an additional 28mW in this specific mode. + +* **igb: Fixed IEEE1588 frame identification in I210.** + + Fixed issue where the flag ``PKT_RX_IEEE1588_PTP`` was not being set + in the Intel I210 NIC, as the EtherType in RX descriptor is in bits 8:10 of + Packet Type and not in the default bits 0:2. + +* **igb: Fixed VF start with PF stopped.** + + VF needs the PF interrupt support initialized even if not started. + +* **igb: Fixed VF MAC address when using with DPDK PF.** + + Assign a random MAC address in VF when not assigned by PF. + +* **igb: Removed CRC bytes from byte counter statistics.** + +* **ixgbe: Fixed issue with X550 DCB.** + + Fixed a DCB issue with x550 where for 8 TCs (Traffic Classes), if a packet + with user priority 6 or 7 was injected to the NIC, then the NIC would only + put 3 packets into the queue. There was also a similar issue for 4 TCs. + +* **ixgbe: Removed burst size restriction of vector RX.** + + Fixed issue where a burst size less than 32 didn't receive anything. + +* **ixgbe: Fixed VF start with PF stopped.** + + VF needs the PF interrupt support initialized even if not started. + +* **ixgbe: Fixed TX hang when RS distance exceeds HW limit.** + + Fixed an issue where the TX queue can hang when a lot of highly fragmented + packets have to be sent. As part of that fix, ``tx_rs_thresh`` for ixgbe PMD + is not allowed to be greater then to 32 to comply with HW restrictions. + +* **ixgbe: Fixed rx error statistic counter.** + + Fixed an issue that the rx error counter of ixgbe was not accurate. The + mac short packet discard count (mspdc) was added to the counter. Mac local + faults and mac remote faults are removed as they do not count packets but + errors, and jabber errors were removed as they are already accounted for + by the CRC error counter. Finally the XEC (l3 / l4 checksum error) counter + was removed due to errata, see commit 256ff05a9cae for details. + +* **ixgbe: Removed CRC bytes from byte counter statistics.** + +* **i40e: Fixed base driver allocation when not using first numa node.** + + Fixed i40e issue that occurred when a DPDK application didn't initialize + ports if memory wasn't available on socket 0. + +* **i40e: Fixed maximum of 64 queues per port.** + + Fixed an issue in i40e where it would not support more than 64 queues per + port, even though the hardware actually supports it. The real number of + queues may vary, as long as the total number of queues used in PF, VFs, VMDq + and FD does not exceeds the hardware maximum. + +* **i40e: Fixed statistics of packets.** + + Added discarding packets on VSI to the stats and rectify the old statistics. + +* **i40e: Fixed issue of not freeing memzone.** + + Fixed an issue of not freeing a memzone in the call to free the memory for + adminq DMA. + +* **i40e: Removed CRC bytes from byte counter statistics.** + +* **mlx: Fixed driver loading.** + + The mlx drivers were unable to load when built as a shared library, + due to a missing symbol in the mempool library. + +* **mlx4: Performance improvements.** + + Fixed bugs in TX and RX flows that improves mlx4 performance. + +* **mlx4: Fixed TX loss after initialization.** + +* **mlx4: Fixed scattered TX with too many segments.** + +* **mlx4: Fixed memory registration for indirect mbuf data.** + +* **vhost: Fixed Qemu shutdown.** + + Fixed issue with libvirt ``virsh destroy`` not killing the VM. + +* **virtio: Fixed crash after changing link state.** + + Fixed IO permission in the interrupt handler. + +* **virtio: Fixed crash when releasing queue.** + + Fixed issue when releasing null control queue. + + +Libraries +~~~~~~~~~ + +* **hash: Fixed memory allocation of Cuckoo Hash key table.** + + Fixed issue where an incorrect Cuckoo Hash key table size could be + calculated limiting the size to 4GB. + +* **hash: Fixed incorrect lookup if key is all zero.** + + Fixed issue in hash library that occurred if an all zero + key was not added to the table and the key was looked up, + resulting in an incorrect hit. + +* **hash: Fixed thread scaling by reducing contention.** + + Fixed issue in the hash library where, using multiple cores with + hardware transactional memory support, thread scaling did not work, + due to the global ring that is shared by all cores. + + +Examples +~~~~~~~~ + +* **l3fwd: Fixed crash with IPv6.** + +* **vhost_xen: Fixed compile error.** + + +Other +~~~~~ + +* This release drops compatibility with Linux kernel 2.6.33. The minimum + kernel requirement is now 2.6.34. + + +Known Issues +------------ + +* Some drivers do not fill in the packet type when receiving. + As the l3fwd example application requires this info, the i40e vector + driver must be disabled to benefit of the packet type with i40e. + +* Some (possibly all) VF drivers (e.g. i40evf) do not handle any PF reset + events/requests in the VF driver. This means that the VF driver may not work + after a PF reset in the host side. The workaround is to avoid triggering any + PF reset events/requests on the host side. + +* 100G link report support is missing. + +* **Mellanox PMDs (mlx4 & mlx5):** + + * PMDs do not support CONFIG_RTE_BUILD_COMBINE_LIBS and + CONFIG_RTE_BUILD_SHARED_LIB simultaneously. + + * There is performance degradation for small packets when the PMD is + compiled with ``SGE_WR_N = 4`` compared to the performance when ``SGE_WR_N + = 1``. If scattered packets are not used it is recommended to compile the + PMD with ``SGE_WR_N = 1``. + + * When a Multicast or Broadcast packet is sent to the SR-IOV mlx4 VF, + it is returned back to the port. + + * PMDs report "bad" L4 checksum when IP packet is received. + + * mlx5 PMD reports "bad" checksum although the packet has "good" checksum. + Will be fixed in upcoming MLNX_OFED release. + + +API Changes +----------- + +* The deprecated flow director API is removed. + It was replaced by ``rte_eth_dev_filter_ctrl()``. + +* The ``dcb_queue`` is renamed to ``dcb_tc`` in following dcb configuration + structures: ``rte_eth_dcb_rx_conf``, ``rte_eth_dcb_tx_conf``, + ``rte_eth_vmdq_dcb_conf``, ``rte_eth_vmdq_dcb_tx_conf``. + +* The ``rte_eth_rx_queue_count()`` function now returns "int" instead of + "uint32_t" to allow the use of negative values as error codes on return. + +* The function ``rte_eal_pci_close_one()`` is removed. + It was replaced by ``rte_eal_pci_detach()``. + +* The deprecated ACL API ``ipv4vlan`` is removed. + +* The deprecated hash function ``rte_jhash2()`` is removed. + It was replaced by ``rte_jhash_32b()``. + +* The deprecated KNI functions are removed: + ``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 |