On 4/5/2018 3:42 PM, Alejandro Lucero wrote: > NFP PMD PF support requires to access the NFP chip for initialization. > Current NFP PMD PF support was added based on the NSPU interface. This > implies to do initialization through the NSP, a embedded ARM processor > which does initialization tasks on demand. The main problem with this > approach is it requires to add support for new NSP commands each time > a new functionality is required, which does not scale well and it is > not really flexible. > > Using the new CPP user space interface, the PMD can do whatever could > be done by the NSP, this is current commands and any new functionality > required. This CPP interface allows to access any single chip component > facilitating initialization, firmware uploading, firmware debugging or > extended stats. > > The changes just change the PMD PF initialization and do not touch the > datapath at all. No performance changes nor PMD functionalities are affected. > > The initial impact using the new CPP interface is the way firmware upload > is handled, which helps the PMD detecting the card type and the firmware file > to upload. Future commits will include extended stats and some sort of debug > channel. > > The specific CPP code is contained in the first patch, which has not been > splitted up because is completely internal to the NFP functionality. The > second patch makes the PMD changes required for using the new interface. > > v2: > - removing unused reference to zlib.h > - fix build errors > - add SPDX tags in new files > - rebase changes nfp.rst > > Alejandro Lucero (4): > net/nfp: add NFP CPP support > net/nfp: update PMD for using new CPP interface > doc: update NFP guide > net/nfp: remove files
Series applied to dpdk-next-net/master, thanks.
