> -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Cristian Dumitrescu > Sent: Thursday, July 16, 2015 2:20 PM > To: dev at dpdk.org > Subject: [dpdk-dev] [PATCH] doc: announce ABI change for librte_port > > > Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu at intel.com> > --- > doc/guides/rel_notes/abi.rst | 12 ++++++++++++ > 1 files changed, 12 insertions(+), 0 deletions(-) > > diff --git a/doc/guides/rel_notes/abi.rst b/doc/guides/rel_notes/abi.rst > index 9e98d62..271e08e 100644 > --- a/doc/guides/rel_notes/abi.rst > +++ b/doc/guides/rel_notes/abi.rst > @@ -34,3 +34,15 @@ Deprecation Notices > creates a dummy/empty malloc library to fulfill binaries with dynamic > linking > dependencies on librte_malloc.so. Such dummy library will not be created > from > release 2.2 so binaries will need to be rebuilt. > + > +* librte_port (rte_port.h): Macros to access the packet meta-data stored > within > + the packet buffer will be adjusted to cover the packet mbuf structure as > well, > + as currently they are able to access any packet buffer location except the > + packet mbuf structure. The consequence is that applications currently using > + these macros will have to adjust the value of the offset parameter of these > + macros by increasing it with sizeof(struc rte_mbuf). The affected macros > are: > + RTE_MBUF_METADATA_UINT<8, 16, 32, 64>_PTR and > + RTE_MBUF_METADATA_UINT<8, 16, 32, 64>. In terms of code changes, most > likely > + only the definition of RTE_MBUF_METADATA_UINT8_PTR macro will be > changed from > + ``(&((uint8_t *) &(mbuf)[1])[offset])`` to > + ``(&((uint8_t *) (mbuf))[offset])``. > -- > 1.7.4.1
> 1.7.4.1 Acked-by: Daniel Mrzyglod <danielx.t.mrzyglod at intel.com>
