X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Frel_notes%2Frelease_2_2.rst;h=ca8471b6b978d8e44f64b94a23e50c17acc5836a;hb=c31af3e16911e27510ca01f5454bb420552728d9;hp=8a20044d4b38dd32680701eb54c01a0f0f5a5b99;hpb=a6ce64a9752004c101a5e7a15ae0b016d35fd77f;p=dpdk.git diff --git a/doc/guides/rel_notes/release_2_2.rst b/doc/guides/rel_notes/release_2_2.rst index 8a20044d4b..ca8471b6b9 100644 --- a/doc/guides/rel_notes/release_2_2.rst +++ b/doc/guides/rel_notes/release_2_2.rst @@ -4,6 +4,25 @@ DPDK Release 2.2 New Features ------------ +* **Enabled freeing of ring.** + + New function rte_ring_free() allows the user to free a ring + if it was created with rte_ring_create(). + +* **Extended Statistics** + + Define extended statistics naming scheme to store metadata in the name + string name of each statistic, refer to the Extended Statistics section + of the programmers guide. Implemented the extended stats API for these + PMDs: + + * igb + * igbvf + * i40e + * i40evf + * fm10k + * virtio + * **Added API in ethdev to retrieve RX/TX queue information.** * Add the ability for the upper layer to query RX/TX queue information. @@ -32,6 +51,10 @@ New Features * **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 fm10k vector RX/TX.** * **Added fm10k TSO support for both PF and VF.** @@ -55,8 +78,16 @@ New Features Like mlx4, this PMD is only available for Linux and is disabled by default due to external dependencies (libibverbs and libmlx5). +* **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.** @@ -96,6 +127,13 @@ Drivers 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 the issue in i40e of cannot supporting more than 64 queues per port, + though hardware actually supports that. 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. + * **vhost: Fixed Qemu shutdown.** Fixed issue with libvirt ``virsh destroy`` not killing the VM. @@ -108,6 +146,11 @@ Drivers Fixed issue when releasing null control queue. +* **hash: Fixed thread scaling by reducing contention.** + + Fixed issue in 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. Libraries ~~~~~~~~~ @@ -117,6 +160,12 @@ Libraries 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 in the table and the key was looked up, + resulting in an incorrect hit. + Examples ~~~~~~~~ @@ -166,9 +215,15 @@ ABI Changes * The ethdev flow director entries for SCTP were changed. It was already done in 2.1 for CONFIG_RTE_NEXT_ABI. +* The size of the ethdev structure rte_eth_hash_filter_info is changed + by adding a new element rte_eth_input_set_conf in an union. + * The new fields rx_desc_lim and tx_desc_lim are added into rte_eth_dev_info structure. +* The maximum number of queues per port CONFIG_RTE_MAX_QUEUES_PER_PORT is + increased to 1024. + * The mbuf structure was changed to support unified packet type. It was already done in 2.1 for CONFIG_RTE_NEXT_ABI.