vpp/docs/featuresbyrelease/vpp1901.md

Features for Release VPP 19.01

Infrastructure

• NUMA-aware, growable physical memory allocator (pmalloc)
• FIB: sticky load-balance
• C11 safe string handling: provide and use "safe" C string handling functions
• vlib: allocate buffers on local numa, not on numa 1
• vppinfra: autodetect default hugepage size
• Move RPC traffic off the shared-memory API queue
• IPv6: Make link-local configurable per-interface
• IGMP: improve CLI debug output
• IPSec: split ipsec nodes into ip4/ip6 nodes
• IPSec: infra for selecting backends
• vhost-user: cleanup and performance optimizations
• ethernet-input, memif improvements and optimizations
• DPDK: bump to DPDK 18.11
• reassembly: harden reassembly code
• stats: Deprecate old (event-based) stats framework
• vlib: support Hyper-V/Azure VMBus
• binary api clients: wait for vpp to start
• graph dispatch trace: capture packet data and buffer metadata, output in pcap format
• improve feature arc order constraint specification

VNET & Plugins

• pktgen: correctly replay a mix of single and multi-buffer packets
• add wireshark dissector to extras
• avf: optimizations
• acl-plugin: use L2 feature arc instead of L2 classifier
• acl-plugin: performance enhancement
• dpdk: allow interface name to be specified from startup.conf
• dpdk: blacklist PCI devices by type
• dpdk: switch to in-memory mode, deprecate use of socket-mem
• vnet: store hw interface speed in kbps instead of using flags
• vmxnet3: enable promiscuous mode & cli enhancements
• gbp: Add support for flow hash profile & l3-out subnets
• map: Add API support for setting parameters.
• map: Convert from DPO to input feature
• nat: improve expired sessions reuse in NAT44
• nat: syslog - sessions logging
• nsim: add packet loss simulation, docs
• perfmon: x86_64 perf counter plugin
• vnet: L2 feature arc infrastructure

Host stack

• TCP congestion control improvements
• TCP Cubic congestion control algorithm
• TCP fast path optimizations
• Transport tx connection pacer. TCP uses it by default
• Basic support for session flushing and TCP PSH segments
• TCP/session api support for configuring custom local src ip/port
• VCL/LDP basic support for multi-process applications
• Overall code hardening, cleanup and bugfixing for tcp, session, vcl and ldp

PAPI & Test framework

• add specific API types for IP addresses, MAC address, interface index etc.
• add timeout support for socket transport
• add support for format/unformat functions
• generic API types format/unformat support for VAT and custom dump
• python3 test adjustments
• make test: create virtualenv under /test/
• make test: print TEST= values for failed tests
• add human-friendly annotations to log messages

VOM

• Add support for redirect contracts in gbp
• deprecate TAP add ip-punt redirect dump
• vxlan-gbp support