On Thu, 16 Apr 2020 17:12:07 +0000 "Andrzej Ostruszka [C]" <aostrus...@marvell.com> wrote:
> On 4/16/20 6:49 PM, Jerin Jacob wrote: > > On Thu, Apr 16, 2020 at 9:41 PM Stephen Hemminger > > <step...@networkplumber.org> wrote: > [...] > >> Has anyone investigated solving this in the kernel rather than > >> creating the added overhead of more Linux devices? > >> > >> What I am thinking of is a netlink to userspace interface. > >> The kernel already has File-System-in-Userspace (FUSE) to allow > >> for filesystems. What about having a NUSE (Netlink in userspace)? > > > > IMO, there is no issue with the Linux Netlink _userspace_ interface. > > The goal of IF proxy to abstract the OS differences so that it can > > work with Linux, FreeBSD, and Windows(if needed). > > My understanding of Stephen's question is a bit different - Stephen > please correct me if I'm wrong. By the comparison with FUSE he was > thinking about providing a "kernel proxy" to userspace-based > port/interface, which could be used not only by DPDK but by other too. > > The answer from me is: no I have not. For two reasons: > - that would be Linux only > - if we would create such proxy, we would probably end up with tap like > driver in the end > > With regards > Andrzej Ostruszka The point is think of the problem beyond just DPDK.
