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=de6916e79433dd47bf04bb73d30695f409299460;hpb=19d4d7ef2a216b5418d8edb5b004d1a58bba3cc1;p=dpdk.git diff --git a/doc/guides/rel_notes/release_2_2.rst b/doc/guides/rel_notes/release_2_2.rst index de6916e794..ca8471b6b9 100644 --- a/doc/guides/rel_notes/release_2_2.rst +++ b/doc/guides/rel_notes/release_2_2.rst @@ -4,13 +4,92 @@ 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. + * Add into rte_eth_dev_info new fields to represent information about + RX/TX descriptors min/max/align numbers per queue for the device. + +* **Added RSS dynamic configuration to bonding.** + +* **Added e1000 Rx interrupt support.** + +* **Added igb TSO support for both PF and VF.** + +* **RSS enhancement on Intel x550 NIC** + + * Support 512 entries RSS redirection table. + * Support per VF RSS redirection table. + +* **Flow director enhancement on Intel x550 NIC** + + * Add 2 new flow director modes on x550. + * One is MAC VLAN mode, the other is tunnel mode. + +* **Added i40e vector RX/TX.** + +* **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 fm10k vector RX/TX.** + +* **Added fm10k TSO support for both PF and VF.** + +* **Added fm10k VMDQ support.** + +* **New NIC Boulder Rapid support.** + + Boulder Rapid is a new NIC of Intel's fm10k family. + * **Enhanced support for the Chelsio CXGBE driver.** * Added support for Jumbo Frames. * Optimize forwarding performance for Chelsio T5 40GbE cards. +* **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). + +* **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.** + Resolved Issues --------------- @@ -27,6 +106,12 @@ EAL Drivers ~~~~~~~ +* **igb: Fixed IEEE1588 frame identification in I210.** + + Fixed issue where the flag PKT_RX_IEEE1588_PTP was not being set + in Intel I210 NIC, as EtherType in RX descriptor is in bits 8:10 of + Packet Type and not in the default bits 0:2. + * **ixgbe: Fixed issue with X550 DCB.** Fixed a DCB issue with x550 where for 8 TCs (Traffic Classes), if a packet @@ -42,6 +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. @@ -54,6 +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 ~~~~~~~~~ @@ -63,6 +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 ~~~~~~~~ @@ -82,6 +185,10 @@ 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 function rte_eal_pci_close_one() is removed. It was replaced by rte_eal_pci_detach(). @@ -108,6 +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.