On Fri, Apr 6, 2018 at 4:47 PM, Ferruh Yigit <ferruh.yi...@intel.com> wrote:
> On 4/6/2018 3:44 PM, Ferruh Yigit wrote: > > 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. > > btw, some nfp files seems still missing spdx tags, can you please check > them? > Yes, those are not new files. I will send a patch soon. Thanks!
