X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Frel_notes%2Frelease_18_05.rst;h=f23286f2bf0928652dc9cc5dc2b1088881eb99c6;hb=8769079ae09569fdfb8125c2dfe1ae83381928fb;hp=563c2f34202a27053bd714b2479ca1fc9d41accd;hpb=d27a6261875d203424e93d7316a0e92852f367b5;p=dpdk.git diff --git a/doc/guides/rel_notes/release_18_05.rst b/doc/guides/rel_notes/release_18_05.rst index 563c2f3420..f23286f2bf 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 +63,74 @@ 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. + +* **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. + Such as device hotplug awareness and actions adopted accordingly. The list of new APIs: + + * ``rte_dev_event_monitor_start`` and ``rte_dev_event_monitor_stop`` are for + the event monitor enable and disable. + * ``rte_dev_event_callback_register`` and ``rte_dev_event_callback_unregister`` + are for the user's callbacks register and unregister. + + Linux uevent is supported as backend of this device event notification framework. + API Changes ----------- @@ -96,6 +169,40 @@ 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 ----------- @@ -110,6 +217,20 @@ 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. + +* **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 ------------- @@ -138,6 +259,13 @@ 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 ----------------------- @@ -201,7 +329,7 @@ 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