[dpdk-dev] [PATCH v4] doc: announce ring API change

Gage Eads gage.eads at intel.com
Fri Feb 1 15:36:23 CET 2019

In order to support the non-blocking ring[1], an API change (additional
argument to rte_ring_get_memsize()) is required in librte_ring. This commit
updates the deprecation notice to pave the way for its inclusion in

[1] http://mails.dpdk.org/archives/dev/2019-January/124162.html

Signed-off-by: Gage Eads <gage.eads at intel.com>
 - 19.05 -> 19.08
 - "two changes are planned" -> "one change is planned"
 - Drop the ABI change notice

 doc/guides/rel_notes/deprecation.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index d4aea4b46..93509e23a 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -83,3 +83,9 @@ Deprecation Notices
   - The size and layout of ``rte_cryptodev_qp_conf`` and syntax of
     ``rte_cryptodev_queue_pair_setup`` will change to to allow to use
     two different mempools for crypto and device private sessions.
+* ring: one change is planned for rte_ring in v19.08:
+  - rte_ring_get_memsize() will get a new ``flags`` parameter, so it can
+    calculate the memory required for rings that require more than 8B per entry
+    (such as the upcoming non-blocking ring).

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