[dpdk-dev] [PATCH v2 7/7] abi: announce mbuf addition for ieee1588 in DPDK 2.2
John McNamara
john.mcnamara at intel.com
Mon Jun 29 15:42:24 CEST 2015
Add announcement of a dedicated additional field in the mbuf
to support ieee1588 in DPDK 2.2.
Signed-off-by: John McNamara <john.mcnamara at intel.com>
---
doc/guides/rel_notes/abi.rst | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/doc/guides/rel_notes/abi.rst b/doc/guides/rel_notes/abi.rst
index f00a6ee..51dacb2 100644
--- a/doc/guides/rel_notes/abi.rst
+++ b/doc/guides/rel_notes/abi.rst
@@ -38,3 +38,8 @@ Examples of Deprecation Notices
Deprecation Notices
-------------------
+
+* In DPDK 2.1 the IEEE1588/802.1AS support in the i40e driver makes use of the
+ ``udata64`` field in the mbuf to pass the timesync register index to the
+ user. In DPDK 2.2 this will be moved to a new field in the mbuf.
+
--
1.8.1.4
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