diff options
Diffstat (limited to 'doc/guides/rel_notes/release_16_07.rst')
| -rw-r--r-- | doc/guides/rel_notes/release_16_07.rst | 168 |
1 files changed, 104 insertions, 64 deletions
diff --git a/doc/guides/rel_notes/release_16_07.rst b/doc/guides/rel_notes/release_16_07.rst index d3a144fb..d00a6ed5 100644 --- a/doc/guides/rel_notes/release_16_07.rst +++ b/doc/guides/rel_notes/release_16_07.rst @@ -40,16 +40,16 @@ New Features * **Added mempool external cache for non-EAL thread.** - Added new functions to create, free or flush a user-owned mempool - cache for non-EAL threads. Previously, cache was always disabled - on these threads. + Added new functions to create, free or flush a user-owned mempool + cache for non-EAL threads. Previously the cache was always disabled + on these threads. * **Changed the memory allocation in mempool library.** * Added ability to allocate a large mempool in virtually fragmented memory. * Added new APIs to populate a mempool with memory. * Added an API to free a mempool. - * Modified the API of rte_mempool_obj_iter() function. + * Modified the API of the ``rte_mempool_obj_iter()`` function. * Dropped specific Xen Dom0 code. * Dropped specific anonymous mempool code in testpmd. @@ -63,10 +63,10 @@ New Features * **Added mailbox interrupt support for ixgbe and igb VFs.** - When the physical NIC link comes down or up, the PF driver will send a + When the physical NIC link comes up or down, the PF driver will send a mailbox message to notify each VF. To handle this link up/down event, - add mailbox interrupts support to receive the message and allow the app to - register a callback for it. + support have been added for a mailbox interrupt to receive the message and + allow the application to register a callback for it. * **Updated the ixgbe base driver.** @@ -74,51 +74,59 @@ New Features following: * Added sgmii link for X550. - * Added mac link setup for X550a SFP and SFP+. + * Added MAC link setup for X550a SFP and SFP+. * Added KR support for X550em_a. - * Added new phy definitions for M88E1500. + * Added new PHY definitions for M88E1500. * Added support for the VLVF to be bypassed when adding/removing a VFTA entry. * Added X550a flow control auto negotiation support. * **Updated the i40e base driver.** - Updated the i40e base driver, which includes support for new devices IDs. + Updated the i40e base driver including support for new devices IDs. -* **Supported virtio on IBM POWER8.** +* **Updated the enic driver.** + + The enic driver was updated with changes including the following: + + * Optimized the Tx function. + * Added Scattered Rx capability. + * Improved packet type identification. + * Added MTU update in non Scattered Rx mode and enabled MTU of up to 9208 + with UCS Software release 2.2 on 1300 series VICs. + +* **Added support for virtio on IBM POWER8.** The ioports are mapped in memory when using Linux UIO. -* **Virtio support for containers.** +* **Added support for Virtio in containers.** - Add a new virtual device, named virtio-user, to support virtio for containers. + Add a new virtual device, named virtio_user, to support virtio for containers. Known limitations: * Control queue and multi-queue are not supported yet. - * Cannot work with --huge-unlink. - * Cannot work with --no-huge. - * Cannot work when there are more than VHOST_MEMORY_MAX_NREGIONS(8) hugepages. - * Root privilege is a must for sorting hugepages by physical address. - * Can only be used with vhost user backend. + * Doesn't work with ``--huge-unlink``. + * Doesn't work with ``--no-huge``. + * Doesn't work when there are more than ``VHOST_MEMORY_MAX_NREGIONS(8)`` hugepages. + * Root privilege is required for sorting hugepages by physical address. + * Can only be used with the vhost user backend. * **Added vhost-user client mode.** - DPDK vhost-user could be the server as well as the client. It supports - server mode only before, now it also supports client mode. Client mode - is enabled when ``RTE_VHOST_USER_CLIENT`` flag is set while calling + DPDK vhost-user now supports client mode as well as server mode. Client mode + is enabled when the ``RTE_VHOST_USER_CLIENT`` flag is set while calling ``rte_vhost_driver_register``. - When DPDK vhost-user restarts from normal or abnormal quit (say crash), - the client mode would allow DPDK to establish the connect again. Note - that a brand new QEMU version (v2.7 or above) is needed, otherwise, the - reconnect won't work. + When DPDK vhost-user restarts from an normal or abnormal exit (such as a + crash), the client mode allows DPDK to establish the connection again. Note + that QEMU version v2.7 or above is required for this feature. - DPDK vhost-user will also try to reconnect by default when + DPDK vhost-user will also try to reconnect by default when: - * the first connect fails (when QEMU is not started yet) - * the connection is broken (when QEMU restarts) + * The first connect fails (when QEMU is not started yet). + * The connection is broken (when QEMU restarts). - It can be turned off if flag ``RTE_VHOST_USER_NO_RECONNECT`` is set. + It can be turned off by setting the ``RTE_VHOST_USER_NO_RECONNECT`` flag. * **Added NSH packet recognition in i40e.** @@ -127,7 +135,7 @@ New Features Now AESNI MB PMD supports 128/192/256-bit counter mode AES encryption and decryption. -* **Added support of AES counter mode for Intel QuickAssist devices.** +* **Added support for AES counter mode with Intel QuickAssist devices.** Enabled support for the AES CTR algorithm for Intel QuickAssist devices. Provided support for algorithm-chaining operations. @@ -141,33 +149,33 @@ New Features The following features/modifications have been added to rte_hash library: - * Enabled application developers to use an extra flag for rte_hash creation - to specify default behavior (multi-thread safe/unsafe) with rte_hash_add_key - function. - * Changed Cuckoo search algorithm to breadth first search for multi-writer - routine and split Cuckoo Search and Move operations in order to reduce - transactional code region and improve TSX performance. - * Added a hash multi-writer test case for test app. + * Enabled application developers to use an extra flag for ``rte_hash`` + creation to specify default behavior (multi-thread safe/unsafe) with the + ``rte_hash_add_key`` function. + * Changed the Cuckoo Hash Search algorithm to breadth first search for + multi-writer routines and split Cuckoo Hash Search and Move operations in + order to reduce transactional code region and improve TSX performance. + * Added a hash multi-writer test case to the test app. * **Improved IP Pipeline Application.** - The following features have been added to ip_pipeline application: + The following features have been added to the ip_pipeline application: - * Configure the MAC address in the routing pipeline and automatic routes + * Configure the MAC address in the routing pipeline and automatic route updates with change in link state. * Enable RSS per network interface through the configuration file. * Streamline the CLI code. * **Added keepalive enhancements.** - Adds support for reporting of core states other than dead to + Added support for reporting of core states other than dead to monitoring applications, enabling the support of broader liveness reporting to external processes. * **Added packet capture framework.** - * A new library ``librte_pdump`` is added to provide packet capture API. - * A new ``app/pdump`` tool is added to capture packets in DPDK. + * A new library ``librte_pdump`` is added to provide a packet capture API. + * A new ``app/pdump`` tool is added to demonstrate capture packets in DPDK. * **Added floating VEB support for i40e PF driver.** @@ -179,6 +187,10 @@ New Features For information on this feature, please see the "I40E Poll Mode Driver" section of the "Network Interface Controller Drivers" document. +* **Added support for live migration of a VM with SRIOV VF.** + + Live migration of a VM with Virtio and VF PMD's using the bonding PMD. + Resolved Issues --------------- @@ -197,18 +209,20 @@ EAL * **igb_uio: Fixed possible mmap failure for Linux >= 4.5.** - mmaping the iomem range of the PCI device fails for kernels that - enabled CONFIG_IO_STRICT_DEVMEM option: + The mmaping of the iomem range of the PCI device fails for kernels that + enabled the ``CONFIG_IO_STRICT_DEVMEM`` option. The error seen by the + user is as similar to the following:: + + EAL: pci_map_resource(): - EAL: pci_map_resource(): - cannot mmap(39, 0x7f1c51800000, 0x100000, 0x0): - Invalid argument (0xffffffffffffffff) + cannot mmap(39, 0x7f1c51800000, 0x100000, 0x0): + Invalid argument (0xffffffffffffffff) - CONFIG_IO_STRICT_DEVMEM is introduced in Linux v4.5 + The ``CONFIG_IO_STRICT_DEVMEM`` kernel option was introduced in Linux v4.5. - Updated igb_uio to stop reserving PCI memory resources, from - kernel point of view iomem region looks like idle and mmap worked - again. This matches uio_pci_generic usage. + The issues was resolve by updating ``igb_uio`` to stop reserving PCI memory + resources. From the kernel point of view the iomem region looks like idle + and mmap works again. This matches the ``uio_pci_generic`` usage. Drivers @@ -228,15 +242,29 @@ Drivers outer VLAN header. This issue is fixed by changing corresponding register for single VLAN. +* **enic: Fixed several issues when stopping then restarting ports and queues.** + + Fixed several crashes related to stopping then restarting ports and queues. + Fixed possible crash when re-configuring the number of Rx queue descriptors. + +* **enic: Fixed Rx data mis-alignment if mbuf data offset modified.** + + Fixed possible Rx corruption when mbufs were returned to a pool with data + offset other than RTE_PKTMBUF_HEADROOM. + +* **enic: Fixed Tx IP/UDP/TCP checksum offload and VLAN insertion.** + +* **enic: Fixed Rx error and missed counters.** + Libraries ~~~~~~~~~ * **mbuf: Fixed refcnt update when detaching.** - Fix the ``rte_pktmbuf_detach()`` function to decrement the direct - mbuf's reference counter. The previous behavior was not to affect - the reference counter. It lead a memory leak of the direct mbuf. + Fix the ``rte_pktmbuf_detach()`` function to decrement the direct mbuf's + reference counter. The previous behavior was not to affect the reference + counter. This lead to a memory leak of the direct mbuf. Examples @@ -266,9 +294,17 @@ API Changes * Add a short 1-2 sentence description of the API change. Use fixed width quotes for ``rte_function_names`` or ``rte_struct_names``. Use the past tense. -* The following counters are removed from ``rte_eth_stats`` structure: - ibadcrc, ibadlen, imcasts, fdirmatch, fdirmiss, - tx_pause_xon, rx_pause_xon, tx_pause_xoff, rx_pause_xoff. +* The following counters are removed from the ``rte_eth_stats`` structure: + + * ``ibadcrc`` + * ``ibadlen`` + * ``imcasts`` + * ``fdirmatch`` + * ``fdirmiss`` + * ``tx_pause_xon`` + * ``rx_pause_xon`` + * ``tx_pause_xoff`` + * ``rx_pause_xoff`` * The extended statistics are fetched by ids with ``rte_eth_xstats_get`` after a lookup by name ``rte_eth_xstats_get_names``. @@ -280,8 +316,8 @@ API Changes ``rte_vhost_avail_entries``. * All existing vhost APIs and callbacks with ``virtio_net`` struct pointer - as the parameter have been changed due to the ABI refactoring mentioned - below: it's replaced by ``int vid``. + as the parameter have been changed due to the ABI refactoring described + below. It is replaced by ``int vid``. * The function ``rte_vhost_enqueue_burst`` no longer supports concurrent enqueuing packets to the same queue. @@ -289,6 +325,9 @@ API Changes * The function ``rte_eth_dev_set_mtu`` adds a new return value ``-EBUSY``, which indicates the operation is forbidden because the port is running. +* The script ``dpdk_nic_bind.py`` is renamed to ``dpdk-devbind.py``. + And the script ``setup.sh`` is renamed to ``dpdk-setup.sh``. + ABI Changes ----------- @@ -297,15 +336,15 @@ ABI Changes the previous releases and made in this release. Use fixed width quotes for ``rte_function_names`` or ``rte_struct_names``. Use the past tense. -* The ``rte_port_source_params`` structure has new fields to support PCAP file. +* The ``rte_port_source_params`` structure has new fields to support PCAP files. It was already in release 16.04 with ``RTE_NEXT_ABI`` flag. * The ``rte_eth_dev_info`` structure has new fields ``nb_rx_queues`` and ``nb_tx_queues`` - to support number of queues configured by software. + to support the number of queues configured by software. -* vhost ABI refactoring has been made: ``virtio_net`` structure is never - exported to application any more. Instead, a handle, ``vid``, has been - used to represent this structure internally. +* A Vhost ABI refactoring has been made: the ``virtio_net`` structure is no + longer exported directly to the application. Instead, a handle, ``vid``, has + been used to represent this structure internally. Shared Library Versions @@ -321,6 +360,7 @@ The libraries prepended with a plus sign were incremented in this version. librte_acl.so.2 librte_cfgfile.so.2 librte_cmdline.so.2 + librte_cryptodev.so.1 librte_distributor.so.1 librte_eal.so.2 librte_hash.so.2 |