On 3/20/2017 10:15 AM, Andrew Rybchenko wrote: > Implement EF10 (SFN7xxx and SFN8xxx) native datapaths which may be > chosen per device using PCI whitelist device arguments. > > libefx-based datapath implementation is bound to API and structure > imposed by the libefx. It has many indirect function calls to > provide HW abstraction (bad for CPU pipeline) and uses many data > structures: driver Rx/Tx queue, driver event queue, libefx Rx/Tx > queue, libefx event queue, libefx NIC (bad for cache). > > Native datapath implementation is fully separated from control > path to be able to use alternative control path if required > (e.g. kernel-aware). > > Native datapaths show better performance than libefx-based. > > v2: > - fix spelling, reword commit messages as requested > - exclude packed stream support since it shows worse performance yet > because of indirect mbufs usage > - use uint16_t for port_id to avoid changes when corresponding > mbuf patches are applied > - add header with functions shared by EF10 Rx and Tx > - clear event queue entries by cache-lines > - remove unnecessary checks in refill code > - add missing BSD LICENSE line to new files > - avoid usage of function pointers in state structures, make EF10 > native datapath multi-process support friendly to avoid code > shuffling in the future > - remove unnecessary memory barriers, add corresponding comments > - do not use libefx macros for Rx/Tx queue limit, define own which > take event queue clear by cache-line into account > > Andrew Rybchenko (13): > net/sfc: use different callbacks for event queues > net/sfc: emphasis that RSS hash flag is an Rx queue flag > net/sfc: do not use Rx queue control state on datapath > net/sfc: factor out libefx-based Rx datapath > net/sfc: make Rx scatter a datapath-dependent feature > net/sfc: remove few conditions in Rx queue refill > net/sfc: implement EF10 native Rx datapath > net/sfc: factor out libefx-based Tx datapath > net/sfc: make VLAN insertion a datapath-dependent feature > net/sfc: make TSO a datapath-dependent feature > net/sfc: implement EF10 native Tx datapath > net/sfc: make multi-segment support a Tx datapath feature > net/sfc: implement simple EF10 native Tx datapath
Series applied to dpdk-next-net/master, thanks.
