2017-03-14 04:44, Wu, Jingjing: > From: Thomas Monjalon [mailto:thomas.monja...@6wind.com] > > > Hi i40e developers, > > > > > > Referring to the VFD discussion, I thought basic behaviours were the > > > same regardless of the PF driver: > > > http://dpdk.org/ml/archives/dev/2016-December/053056.html > > > " > > > > In the meanwhile, we have some test models ongoing to validate > > > > combination of Linux and DPDK drivers for VF and PF. > > > > We'll fully support below 4 cases going forward. > > > > 1. DPDK PF + DPDK VF > > > > 2. DPDK PF + Linux VF > > > > 3. Linux PF + DPDK VF > > > > 4. Linux PF + Linux VF (it's not our scope) > > > [...] > > > > Linux PF + DPDK VF has been tested with 1.0 API long time ago. > > > > There is some test activities ongoing. > > > " > > > > > > I think the Linux PF case is important and deserves more consideration. > > > When looking at the code, specifically i40evf_vlan_offload_set() and > > > i40evf_vlan_pvid_set(), I read this: > > > " > > > /* Linux pf host doesn't support vlan offload yet */ > > > if (vf->version_major == I40E_DPDK_VERSION_MAJOR) { " > > > > > > Is there some work in progress on Linux side to get the same behaviour > > > as with a DPDK PF? > > > > > As I know, VFD features are marked with an "EXPERIMENTAL" tag. > And we are working on the extendable interface (feature based) with > PF kernel driver.
The VLAN offload is not a VFD feature. It is a basic driver feature. It is said that it is supported in the documentation but it is not with a Linux PF. Please consider the rest of my email: > > At least, it must be documented in > > doc/guides/nics/features/i40e_vf.ini > > and marked as partially supported (P instead of Y) in > > doc/guides/nics/i40e.rst
