X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Frel_notes%2Frelease_2_2.rst;h=5636aad52a4352f4f5703a5b6c71a3d68c6562b4;hb=71f39b07b6856c5f7d1c1aae8e9e5866d2a9a974;hp=01f69de17ad054811fe617527dc062420d7f629b;hpb=f53577f0692556bbe5ae096cea47b891dac33172;p=dpdk.git diff --git a/doc/guides/rel_notes/release_2_2.rst b/doc/guides/rel_notes/release_2_2.rst index 01f69de17a..5636aad52a 100644 --- a/doc/guides/rel_notes/release_2_2.rst +++ b/doc/guides/rel_notes/release_2_2.rst @@ -4,6 +4,33 @@ 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.** @@ -18,10 +45,26 @@ New Features * 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 Rx interrupt support.** + * **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 flow director support in i40e VF.** + +* **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. @@ -31,8 +74,27 @@ New Features * 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 --------------- @@ -54,6 +116,10 @@ Drivers 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. +* **igb: Fixed VF start with PF stopped.** + + VF needs the PF interrupt support initialized even if not started. + * **ixgbe: Fixed issue with X550 DCB.** Fixed a DCB issue with x550 where for 8 TCs (Traffic Classes), if a packet @@ -64,11 +130,38 @@ Drivers Fixed issue where a burst size less than 32 didn't receive anything. +* **ixgbe: Fixed VF start with PF stopped.** + + VF needs the PF interrupt support initialized even if not started. + +* **ixgbe: Fixed TX hang when RS distance exceeds HW limit.** + + Fixed an issue when TX queue can hang when a lot of highly fragmented + packets have to be sent. + As part of that fix, tx_rs_thresh for ixgbe PMD is not allowed to be greater + then to 32 to comply with HW restrictions. + * **i40e: Fixed base driver allocation when not using first numa node.** 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. + +* **i40e: Fixed statistics of packets.** + + Added discarding packets on VSI to the stats and rectify the old statistics. + +* **i40e: Fixed issue of not freeing memzone.** + + Fixed the issue of not freeing memzone in the call to free the memory for + adminq DMA. + * **vhost: Fixed Qemu shutdown.** Fixed issue with libvirt ``virsh destroy`` not killing the VM. @@ -90,6 +183,18 @@ 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. + +* **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. + Examples ~~~~~~~~ @@ -109,6 +214,10 @@ 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(). @@ -135,6 +244,18 @@ ABI Changes * The ethdev flow director entries for SCTP were changed. It was already done in 2.1 for CONFIG_RTE_NEXT_ABI. +* The ethdev flow director structure rte_eth_fdir_flow_ext structure is changed. + New fields are added to support flow director filtering in VF. + +* 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.