FD.io VPP  v20.05-21-gb1500e9ff
Vector Packet Processing
Release notes for VPP 19.08.2

The 19.08.2 is an LTS release. It contains numerous fixes, as well as new features and API additions.


  • API trace tool
    • Add text output (c395ff143)
  • Binary API Libraries
    • Add API support for PP2 plugin to stable/1908 (1c3c9f039)
  • Build System
    • Pass 'no-pci' to autgenerated config (c0552134e)
    • Add env variable to pass extra cmake args (116e05f57)
  • Infrastructure Library
    • Implement CLIB_PAUSE () for aarch64 platforms (a3c45242b)
    • Create unformat function for data size parsing (cb19100c1)
  • Link Bonding
    • Fix interface deletion (1517d5e72)
    • Add GSO support (a06f68556)
  • Physical Memory Allocator
    • Always lock pages (5b2eea6e0)
  • Plugins
    • AVF Device driver
      • Print queue id in packet trace (9e028d047)
    • DPDK
      • Ipsec tunnel support for ip6-in-ip4 (2dde5a478)
      • QAT devices update, add c4xxx and xeon d15xx (f5d6c80ac)
      • Add TSO support in DPDK plugin. (5564db853)
    • Group Based Policy (GBP)
      • Add extended SFC unit tests (30f7e4198)
    • Host Stack Applications
      • Make APP_OPTIONS_PREALLOC_FIFO_PAIRS configurable (47c6f36be)
    • Internet Key Exchange (IKEv2) Protocol
      • Add support for GCM cipher (2fa9f679c)
    • QUIC protocol
      • Add cli command for stats (88af6c3f4)
      • Add Tx, Rx and packet drop counters (3a61a40dd)
      • Create custom event logger (2f9ec5001)
      • Make quic fifo size configurable via cli (7fc3d97b8)
    • RDMA (ibverb) driver
      • Add support for input feature arcs (cbae1e1c5)
      • Add support for MAC changes (ffdfe308b)
    • Http_static
      • Add dynamic GET / POST method hooks (faf5195e3)
  • Python binding for the VPP API
    • Let async calls return context (e6b29a9df)
    • Introduce read_blocking (1c45b85df)
  • SVM Library
    • Improve fifo segment verbose cli (d2bff0786)
  • Statistics Segment
    • Add /if/<n>/<n>/state for lacp interface state (d5e8ed7be)
  • Test Infrastructure
    • Support worker threads (51699e62c)
    • Support setting random seed (fc000f0e1)
    • Add cli_return_response to vpp_papi_provider (64d744350)
    • Test tls case (87e1bcdd7)
  • VNET
    • Classifier
      • Use vector code even when data is not aligned (bebbd7f62)
      • VPP packet tracer support (7c5a3536c)
    • IPSec
      • Add 'detail' option to 'sh ipsec sa' (56417fa94)
      • Add insecure option for format of SA (591aa64e8)
      • Support 4o6 and 6o4 for tunnel protect (2e6d73934)
    • IPv4 and IPv6 LPM
      • Allow addrs from the same prefix on intf (da900b25c)
      • Punt rather than drop unkown IPv6 ICMP packets (fd2f6f89e)
    • Session Layer
      • Add explicit reset api (a267cba29)
      • Improve cli (2ff21af39)
      • Add session enable option in config file (b1ef5567b)
      • Limit pacer bucket size (079895d95)
      • Builtin app rx notifications regardless of state (8e4afc86d)
      • Infra for transports to send buffers (57997c874)
      • Reschedule asap when snd space constrained (89ab1762d)
    • TCP
      • Allow cc algos to set pacing rate (82df1eb90)
      • Set cc_algo on connection alloc (7fe501a4b)
      • Add option for always on event logging (e73bd8503)
      • Track zero rwnd errors (a2c063712)
      • Validate connections in output (ea584d137)
      • Force zero window on full rx fifo (fbe948c81)
      • Send rwnd update only if wnd is large enough (0ad8477ba)
      • Enable gso in tcp hoststack (6f3621d77)
      • Handle SACK reneging (9dba3dbf0)
      • Use rate sample RTT in recovery if possible (6702641f5)
      • Compute snd time for rate sample (69460ae11)
      • Use sacks for timer based recovery (d4aa3d9f8)
      • Custom checksum calculations for Ipv4/Ipv6 (3642782a2)
      • Retry lost retransmits (7b135c639)
      • Improve pacing after idle send periods (abdc7dfb5)
      • Track lost rxt segments in byte tracker (6de46b40d)
      • Validate the IP address while checking TCP connection (6c1ce53b4)
      • Improve lost rxt heuristic (04b4204d9)
  • VPP Comms Library
    • Allow non-blocking connects (4767cf24f)
    • Add api to set lcl ip (2c55610e2)
  • Vector Library
    • Add flag to explicitelly mark nodes which can init per-node packet trace (29dc11bde)
    • Enhance the "show cli" debug CLI command (b5a0108ac)
  • Libmemif
    • Introduce 'memif_per_thread_' namespace (2736fc7fc)

API changes

Description of results:

  • Definition changed: indicates that the API file was modified between releases.
  • Only in image: indicates the API is new for this release.
  • Only in file: indicates the API has been removed in this release.
Message Name Result
app_attach only in image
app_attach_reply only in image

Found 2 api message signature differences

Fixed issues

For the full list of fixed issues please refer to: