X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Frel_notes%2Frelease_18_05.rst;h=5408645bf20c881ea16a53248f2d0f3236550c26;hb=06bfd1cbb4b594871b10d278a828c55e19a22a84;hp=a018ef5e063b74e151200f4f30bd5e95fada57b7;hpb=0d0f478d0483fde0ecb37dd4ecfbb57ad42c9ac6;p=dpdk.git diff --git a/doc/guides/rel_notes/release_18_05.rst b/doc/guides/rel_notes/release_18_05.rst index a018ef5e06..5408645bf2 100644 --- a/doc/guides/rel_notes/release_18_05.rst +++ b/doc/guides/rel_notes/release_18_05.rst @@ -41,6 +41,11 @@ New Features Also, make sure to start the actual text at the margin. ========================================================= +* **Added PMD-recommended Tx and Rx parameters** + + Applications can now query drivers for device-tuned values of + ring sizes, burst sizes, and number of queues. + * **Added RSS hash and key update to CXGBE PMD.** Support to update RSS hash and key has been added to CXGBE PMD. @@ -58,6 +63,65 @@ New Features * Added support for NVGRE, VXLAN and GENEVE filters in flow API. * Added support for DROP action in flow API. +* **Added Ethernet poll mode driver for AMD XGBE devices.** + + Added the new ``axgbe`` ethernet poll mode driver for AMD XGBE devices. + See the :doc:`../nics/axgbe` nic driver guide for more details on this + new driver. + +* **Updated szedata2 PMD.** + + Added support for new NFB-200G2QL card. + +* **Added support for Broadcom NetXtreme-S (BCM58800) family of controllers (aka Stingray)** + + The BCM58800 devices feature a NetXtreme E-Series advanced network controller, a high-performance + ARM CPU block, PCI Express (PCIe) Gen3 interfaces, key accelerators for compute offload and a high- + speed memory subsystem including L3 cache and DDR4 interfaces, all interconnected by a coherent + Network-on-chip (NOC) fabric. + + The ARM CPU subsystem features eight ARMv8 Cortex-A72 CPUs at 3.0 GHz, arranged in a multi-cluster + configuration. + +* **Added support for virtio-user server mode.** + In a container environment if the vhost-user backend restarts, there's no way + for it to reconnect to virtio-user. To address this, support for server mode + is added. In this mode the socket file is created by virtio-user, which the + backend connects to. This means that if the backend restarts, it can reconnect + to virtio-user and continue communications. + +* **Added crypto workload support to vhost library.** + + New APIs are introduced in vhost library to enable virtio crypto support + including session creation/deletion handling and translating virtio-crypto + request into DPDK crypto operations. A sample application is also introduced. + +* **Added virtio crypto PMD.** + + Added a new poll mode driver for virtio crypto devices, which provides + AES-CBC ciphering and AES-CBC with HMAC-SHA1 algorithm-chaining. See the + :doc:`../cryptodevs/virtio` crypto driver guide for more details on + this new driver. + +* **Added AMD CCP Crypto PMD.** + + Added the new ``ccp`` crypto driver for AMD CCP devices. See the + :doc:`../cryptodevs/ccp` crypto driver guide for more details on + this new driver. + +* **Updated AESNI MB PMD.** + + The AESNI MB PMD has been updated with additional support for: + + * AES-CMAC (128-bit key). + +* **Added the Event Timer Adapter Library.** + + The Event Timer Adapter Library extends the event-based model by introducing + APIs that allow applications to arm/cancel event timers that generate + timer expiry events. This new type of event is scheduled by an event device + along with existing types of events. + * **Added device event monitor framework.** Added a general device event monitor framework at EAL, for device dynamic management. @@ -70,6 +134,12 @@ New Features Linux uevent is supported as backend of this device event notification framework. +* **Added support for procinfo and pdump on eth vdev.** + + For ethernet virtual devices (like tap, pcap, etc), with this feature, we can get + stats/xstats on shared memory from secondary process, and also pdump packets on + those virtual devices. + API Changes ----------- @@ -84,6 +154,34 @@ API Changes Also, make sure to start the actual text at the margin. ========================================================= +* service cores: no longer marked as experimental. + + The service cores functions are no longer marked as experimental, and have + become part of the normal DPDK API and ABI. Any future ABI changes will be + announced at least one release before the ABI change is made. There are no + ABI breaking changes planned. + +* eal: ``rte_lcore_has_role()`` return value changed. + + This function now returns true or false, respectively, + rather than 0 or <0 for success or failure. + It makes use of the function more intuitive. + +* mempool: capability flags and related functions have been removed. + + Flags ``MEMPOOL_F_CAPA_PHYS_CONTIG`` and + ``MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS`` were used by octeontx mempool + driver to customize generic mempool library behaviour. + Now the new driver callbacks ``calc_mem_size`` and ``populate`` may be + used to achieve it without specific knowledge in the generic code. + +* mempool: xmem functions have been deprecated: + + - ``rte_mempool_xmem_create`` + - ``rte_mempool_xmem_size`` + - ``rte_mempool_xmem_usage`` + - ``rte_mempool_populate_iova_tab`` + * mbuf: The control mbuf API has been removed in v18.05. The impacted functions and macros are: @@ -108,6 +206,40 @@ API Changes memory footprint which helps in better cache utilization when large number of meter objects are used. +* ethdev: The function ``rte_eth_dev_count``, often mis-used to iterate + over ports, is deprecated and replaced by ``rte_eth_dev_count_avail``. + There is also a new function ``rte_eth_dev_count_total`` to get the + total number of allocated ports, available or not. + The hotplug-proof applications should use ``RTE_ETH_FOREACH_DEV`` or + ``RTE_ETH_FOREACH_DEV_OWNED_BY`` as port iterators. + +* ethdev, in struct ``struct rte_eth_dev_info``, field ``rte_pci_device *pci_dev`` + replaced with field ``struct rte_device *device``. + +* **Changes to semantics of rte_eth_dev_configure() parameters.** + + If both the ``nb_rx_q`` and ``nb_tx_q`` parameters are zero, + ``rte_eth_dev_configure`` will now use PMD-recommended queue sizes, or if + recommendations are not provided by the PMD the function will use ethdev + fall-back values. Previously setting both of the parameters to zero would + have resulted in ``-EINVAL`` being returned. + +* **Changes to semantics of rte_eth_rx_queue_setup() parameters.** + + If the ``nb_rx_desc`` parameter is zero, ``rte_eth_rx_queue_setup`` will + now use the PMD-recommended Rx ring size, or in the case where the PMD + does not provide a recommendation, will use an ethdev-provided + fall-back value. Previously, setting ``nb_rx_desc`` to zero would have + resulted in an error. + +* **Changes to semantics of rte_eth_tx_queue_setup() parameters.** + + If the ``nb_tx_desc`` parameter is zero, ``rte_eth_tx_queue_setup`` will + now use the PMD-recommended Tx ring size, or in the case where the PMD + does not provide a recoomendation, will use an ethdev-provided + fall-back value. Previously, setting ``nb_tx_desc`` to zero would have + resulted in an error. + ABI Changes ----------- @@ -122,6 +254,32 @@ ABI Changes Also, make sure to start the actual text at the margin. ========================================================= +* ring: the alignment constraints on the ring structure has been relaxed + to one cache line instead of two, and an empty cache line padding is + added between the producer and consumer structures. The size of the + structure and the offset of the fields remains the same on platforms + with 64B cache line, but change on other platforms. + +* mempool: ops have changed. + + A new callback ``calc_mem_size`` has been added to ``rte_mempool_ops`` + to allow to customize required memory size calculation. + A new callback ``populate`` has been added to ``rte_mempool_ops`` + to allow to customize objects population. + Callback ``get_capabilities`` has been removed from ``rte_mempool_ops`` + since its features are covered by ``calc_mem_size`` and ``populate`` + callbacks. + Callback ``register_memory_area`` has been removed from ``rte_mempool_ops`` + since the new callback ``populate`` may be used instead of it. + +* **Additional fields in rte_eth_dev_info.** + + The ``rte_eth_dev_info`` structure has had two extra entries appended to the + end of it: ``default_rxportconf`` and ``default_txportconf``. Each of these + in turn are ``rte_eth_dev_portconf`` structures containing three fields of + type ``uint16_t``: ``burst_size``, ``ring_size``, and ``nb_queues``. These + are parameter values recommended for use by the PMD. + Removed Items ------------- @@ -150,6 +308,13 @@ Known Issues Also, make sure to start the actual text at the margin. ========================================================= +* **pdump is not compatible with old applications.** + + As we changed to use generic multi-process communication for pdump negotiation + instead of previous dedicated unix socket way, pdump applications, including + dpdk-pdump example and any other applications using librte_pdump, cannot work + with older version DPDK primary applications. + Shared Library Versions ----------------------- @@ -195,7 +360,7 @@ The libraries prepended with a plus sign were incremented in this version. librte_latencystats.so.1 librte_lpm.so.2 + librte_mbuf.so.4 - librte_mempool.so.3 + + librte_mempool.so.4 + librte_meter.so.2 librte_metrics.so.1 librte_net.so.1 @@ -213,7 +378,7 @@ The libraries prepended with a plus sign were incremented in this version. librte_power.so.1 librte_rawdev.so.1 librte_reorder.so.1 - librte_ring.so.1 + + librte_ring.so.2 librte_sched.so.1 librte_security.so.1 librte_table.so.3