27/10/2020 11:31, Olivier Matz: > On Mon, Oct 26, 2020 at 11:20:06PM +0100, Thomas Monjalon wrote: > > The CFA code from mark was stored in the deprecated mbuf field udata64. > > It is moved to a dynamic field in order to allow removal of udata64. > > > > Note: the new field has 32 bits, smaller than udata64. > > > > Signed-off-by: Thomas Monjalon <tho...@monjalon.net> > > How is it used by an application? > It seems that the cfa code is not always set. Is there a flag to > know when the field is valid?
I don't know, and it is PMD-specific, but this behaviour is equivalent with what was before. > Also, for ice and iavf PMDs, we were discussing what is the better > way to export the offset. > > Note that there is an open discussion about how to export dynamic > fields offset for PMDs: > http://inbox.dpdk.org/dev/20201025071352.221953-1-haiyue.w...@intel.com/T/#mab79dd5cbb7d199a33515b7456dfe1831cf473bc In general I think it is better not exporting the offset, but keep a local copy of it.
