Hi Olivier, > > This function can be used to calculate the checksum of data embedded in mbuf, > that can be composed of several segments. > > This function will be used by the virtio pmd in next commits to calculate the > checksum in software in case the protocol is not recognized. > > Signed-off-by: Olivier Matz <olivier.matz at 6wind.com> > --- > doc/guides/rel_notes/release_16_11.rst | 5 ++++ > lib/librte_mbuf/rte_mbuf.c | 55 > ++++++++++++++++++++++++++++++++-- > lib/librte_mbuf/rte_mbuf.h | 13 ++++++++ > lib/librte_mbuf/rte_mbuf_version.map | 1 + > 4 files changed, 72 insertions(+), 2 deletions(-) > > diff --git a/doc/guides/rel_notes/release_16_11.rst > b/doc/guides/rel_notes/release_16_11.rst > index 6a591e2..da70f3b 100644 > --- a/doc/guides/rel_notes/release_16_11.rst > +++ b/doc/guides/rel_notes/release_16_11.rst > @@ -53,6 +53,11 @@ New Features > Added two new functions ``rte_get_rx_ol_flag_list()`` and > ``rte_get_tx_ol_flag_list()`` to dump offload flags as a string. > > +* **Added a functions to calculate the checksum of data in a mbuf.** > + > + Added a new function ``rte_pktmbuf_cksum()`` to process the checksum > + of data embedded in an mbuf chain. > + > Resolved Issues > --------------- > > diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c index > 56f37e6..0304245 100644 > --- a/lib/librte_mbuf/rte_mbuf.c > +++ b/lib/librte_mbuf/rte_mbuf.c > @@ -60,6 +60,7 @@ > #include <rte_hexdump.h> > #include <rte_errno.h> > #include <rte_memcpy.h> > +#include <rte_ip.h>
As a nit, do we need to introduce a dependency for librte_mbuf on librte_net? Might be better to put this functionality into librte_net? Konstantin
