Hi Ferruh, On Fri, 14 Apr 2017 14:10:33 +0100, Ferruh Yigit <ferruh.yi...@intel.com> wrote: > On 4/5/2017 10:37 AM, Thomas Monjalon wrote: > > 2017-04-04 18:27, Olivier Matz: > >> Based on discussions done in [1] and in this thread, this patchset > >> reorganizes > >> the mbuf. > >> > >> The main changes are: > >> - reorder structure to increase vector performance on some non-ia > >> platforms.! > >> - add a 64bits timestamp field in the 1st cache line. This timestamp > >> is not normalized, i.e. no unit or time reference is enforced. A > >> library may be added to do this job in the future. > >> - m->next, m->nb_segs, and m->refcnt are always initialized for mbufs > >> in the pool, avoiding the need of setting m->next (located in the > >> 2nd cache line) in the Rx path for mono-segment packets. > >> - change port and nb_segs to 16 bits > >> - move seqn in the 2nd cache line > > > > Applied, thanks for the long work > > > > <...> > > >> Once this patchset is pushed, the Rx path of drivers could be optimized a > >> bit, > >> by removing writes to m->next, m->nb_segs and m->refcnt. The patch 4/8 > >> gives an > >> idea of what could be done. > > Hi Olivier, > > Some driver patches already received for this update, but not all yet. > > Can you please describe what changes are required in PMDs after this > patch? And what will be effect of doing changes or not?
Yes, I will do it. > Later we can circulate this information through the PMD maintainers to > be sure proper updates done. That would be good. Do you know what will be the procedure to inform the PMD maintainers? Is there a specific mailing list? Thanks, Olivier
