For 16.11, the mbuf structure will be modified implying ABI breakage. Some discussions already took place here: http://www.dpdk.org/dev/patchwork/patch/12878/
Signed-off-by: Olivier Matz <olivier.matz at 6wind.com> --- 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 f502f86..2245bc2 100644 --- a/doc/guides/rel_notes/deprecation.rst +++ b/doc/guides/rel_notes/deprecation.rst @@ -41,3 +41,9 @@ Deprecation Notices * The mempool functions for single/multi producer/consumer are deprecated and will be removed in 16.11. It is replaced by rte_mempool_generic_get/put functions. + +* ABI changes are planned for 16.11 in the ``rte_mbuf`` structure: some + fields will be reordered to facilitate the writing of ``data_off``, + ``refcnt``, and ``nb_segs`` in one operation. Indeed, some platforms + have an overhead if the store address is not naturally aligned. The + useless ``port`` field will also be removed at the same occasion. -- 2.8.1
