build: add option to enable LTO

[dpdk.git] / doc / guides / rel_notes / release_19_11.rst

diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst
index 0e5bb5d..12ab110 100644 (file)
--- a/doc/guides/rel_notes/release_19_11.rst
+++ b/doc/guides/rel_notes/release_19_11.rst
@@ -65,6 +65,11 @@ New Features
 
   The lock-free stack implementation is enabled for aarch64 platforms.
 
+* **Changed mempool allocation behaviour.**
+
+  Objects are no longer across pages by default.
+  It may consume more memory when using small memory pages.
+
 * **Added support of dynamic fields and flags in mbuf.**
 
   This new feature adds the ability to dynamically register some room
@@ -226,11 +231,32 @@ New Features
   Added eBPF JIT support for arm64 architecture to improve the eBPF program
   performance.
 
+* **Added RIB and FIB (Routing/Forwarding Information Base) libraries.**
+
+  RIB and FIB can replace the LPM (Longest Prefix Match) library
+  with better control plane (RIB) performance.
+  The data plane (FIB) can be extended with new algorithms.
+
 * **Updated testpmd.**
 
   * Added a console command to testpmd app, ``show port (port_id) ptypes`` which
     gives ability to print port supported ptypes in different protocol layers.
 
+* **Added new example l2fwd-event application.**
+
+  Added an example application `l2fwd-event` that adds event device support to
+  traditional l2fwd example. It demonstrates usage of poll and event mode IO
+  mechanism under a single application.
+
+* **Added build support for Link Time Optimization.**
+
+  LTO is an optimization technique used by the compiler to perform whole
+  program analysis and optimization at link time.  In order to do that
+  compilers store their internal representation of the source code that
+  the linker uses at the final stage of compilation process.
+
+  See :doc:`../prog_guide/lto` for more information:
+
 
 Removed Items
 -------------
@@ -267,6 +293,9 @@ Removed Items
   * Quota and Watermark
   * vhost-scsi
 
+* Removed arm64-dpaa2-* build config. arm64-dpaa-* can now build for both
+  dpaa and dpaa2 platforms.
+
 
 API Changes
 -----------
@@ -297,6 +326,11 @@ API Changes
 * mem: hid the internal ``malloc_heap`` structure and the
   ``rte_malloc_heap.h`` header.
 
+* vfio: removed ``rte_vfio_dma_map`` and ``rte_vfio_dma_unmap`` that have
+  been marked as deprecated in release 19.05.
+  ``rte_vfio_container_dma_map`` and ``rte_vfio_container_dma_unmap`` can
+  be used as substitutes.
+
 * pci: removed the following functions deprecated since dpdk v17.11:
 
   - ``eal_parse_pci_BDF`` replaced by ``rte_pci_addr_parse``
@@ -359,6 +393,12 @@ ABI Changes
    Also, make sure to start the actual text at the margin.
    =========================================================
 
+* net: The Ethernet address and other header definitions have changed
+  attributes. They have been modified to be aligned on 2-byte boundaries.
+  These changes should not impact normal usage because drivers naturally
+  align the Ethernet header on receive and all known encapsulations
+  preserve the alignment of the header.
+
 
 Shared Library Versions
 -----------------------
@@ -396,6 +436,7 @@ The libraries prepended with a plus sign were incremented in this version.
      librte_efd.so.1
    + librte_ethdev.so.13
    + librte_eventdev.so.8
+   + librte_fib.so.1
      librte_flow_classify.so.1
      librte_gro.so.1
      librte_gso.so.1
@@ -427,6 +468,7 @@ The libraries prepended with a plus sign were incremented in this version.
      librte_port.so.3
      librte_power.so.1
      librte_rawdev.so.1
+   + librte_rib.so.1
      librte_rcu.so.1
      librte_reorder.so.1
      librte_ring.so.2