misc: 19.08 new features

The full RELEASE.md diff is b610f2022c9f4e10a922e7b57c80ec77cd45d021

Change-Id: Ide6d85d41bdc836a03390a50ab94f6ebbaae0b28
Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>

docs/featuresbyrelease/index.rst

@@ -9,6 +9,7 @@ This section provides information about the features that are provided for each
 .. toctree::
    :maxdepth: 1
 
+   vpp1908
    vpp1904
    vpp1901
    vpp18.10

docs/featuresbyrelease/vpp1908.md

@@ -0,0 +1,140 @@
+## Features for Release VPP 19.08
+
+### Infrastructure
+- API
+  - API language: new types and limits support
+  - Python API - add support for defaults
+  - Export ip_types.api for out-of-tree plugins use
+  - Refactor ipip.api with explicit types
+- DPDK
+  - 19.05 integration
+  - Remove bonding code
+  - Rework extended stats
+- Debugging & Servicability
+  - debug CLI leak-checker
+  - vlib: add "memory-trace stats-segment"
+  - vppapitrace JSON/API trace converter
+  - ARP: add arp-disabled node
+  - igmp: Trace more data from input packets
+  - ip: Trace the packet from the punt node
+  - Python API debug introspection improvements
+  - Pin dependencies for make test infra
+  - FEATURE.yaml meta-data infrastructure
+  - tcp: add cc stats plotting tools
+  - Packet tracer support for thread handoffs
+- libmemif: support for multi-thread connection establishment
+- svm
+  - fifo ooo reads/writes with multiple chunks
+  - support addition/removal of chunks to fifos
+- vppinfra
+  - Mapped pcap file support
+  - More AVX2 and AVX512 inlines
+  - VLIB_INIT_FUNCTION sequencing rework
+  - refactor spinlocks and rwlocks
+  - add rbtree
+  - add doubly linked list
+- rdma: bump rdma-core to v25.0
+- stats
+  - Add the number of worker threads and per worker thread vector rates
+  - Support multiple workers for error counters
+
+### VNET & Plugins
+- New Plugins
+  - HTTP static page server with TLS support
+  - L3 cross connect
+- acl: implement stat-segment counters
+- arp: add feature arcs: arp-reply, arp-input, arp-proxy
+- avf: improved logging and added 2.5/5 Gbps speeds
+- bonding: NUMA-related improvements
+- crypto: add support for AES-CTR cipher
+- fib
+  - FIB Entry tracking
+  - Support the POP of a Pseudo Wire Control Word
+- gbp
+  - Anonymous l3-out subnets support
+  - ARP unicast forward in gbp bridge domain
+  - An Endpoint can change sclass
+  - Consider data-plane learnt source better than control-plane
+  - VRF scoped contracts
+- gso (experimental)
+  - Add support to pg interfaces
+  - Add support to vhost user
+  - Add support to native virtio
+  - Add support for tagged interfaces
+- punt: allow to specify packets by IP protocol Type
+- ip6-local: hop-by-hop protocol demux table
+- ipsec
+  - intel-ipsec-mb version 0.52
+  - AH encrypt rework
+  - handle UDP keepalives
+  - support GCM in ESP
+- virtio
+  - Refactor control queue support
+- dhcp-client: DSCP marking for transmitted packets
+- Idle resource usage improvements
+  - Allocate bihash virtual space on demand
+  - gre: don't register gre input nodes unless a gre tunnel is created
+  - gtpu: don't register udp ports unless a tunnel is created
+  - lacp: create lacp-process on demand
+  - lisp-cp: start lisp retry service on demand
+  - start the cdp period and dns resolver process on demand
+  - vat: unload unused vat plugins
+- nat: api cleanup & update
+- nsim: make available as an output feature
+- load-balance performance improvements
+- l2: Add support for arp unicast forwarding
+- mactime
+  - Mini-ACLs
+  - Per-MAC allow-with-quota feature
+- qos
+  - QoS dump APIs
+  - Store function
+- rdma: add support for promiscuous mode (l2-switching and xconnect)
+- sr: update the Segment Routing definition to be compliant with current in IETF
+- udp-ping: disable due to conflict with mldv2
+- vxlan-gpe: improve encap performance
+- vom
+  - QoS support
+  - Bridge domain arp unicast forwarding flag
+  - Bridge domain unknown unicast flooding flag
+
+### Host stack
+- session
+  - API to support manual svm fifo resizing
+  - Improved session output scheduler and close state machine
+  - Transport and session cleanup notifications for builtin apps
+  - Session migration notifications for builtin apps
+  - Support for no session layer lookup transports (quic and tls)
+  - Ability to retrieve local/remote endpoint in transport vft
+  - Cleanup segment manager and fifo segment
+  - Fix vpp to app msg generation on enqueue fail
+  - Improve event logging
+  - Moved test applications to hsa plugin
+- tcp
+  - Congestion control algorithm enhancements
+  - Delivery rate estimator
+  - ACK/retransmission refactor and pacing
+  - Add tcp-input sibling nodes without full 6-tuple lookup
+  - More RFC4898 connection statistics
+  - Allow custom output next node
+  - Allow custom congestion control algorithms
+- quic
+  - Multi-thread support
+  - Logs readability improvements
+  - Multistream support
+- tls
+  - Fix close with data and listen failures
+  - Handle TCP transport rests
+  - Support endpoint retrieval interface
+- vcl
+  - support quic streams and "connectable listeners"
+  - worker unregister api
+  - fix epoll with large events batch
+  - ldp: add option to eanble transparent TLS connections
+- udp:
+  - support close with data
+  - fixed session migration
+- sctp
+  - add option to enable/disable default to disable
+  - moved from vnet to plugins
+