On 08/04/2017 05:36 AM, Laine Stump wrote: > The commit log of Patch 1 explains the majority of the reason for > these patches. In short, they disambiguate the multiple netdevs per > PCI device on the SRIOV PF and VFs of a Mellanox dual port NIC *when > converting from a VF netdev to a PF netdev and vice versa*. This > permits us to set the vlan tag and MAC address for the correct VF > netdev (and detect the online status of the correct PF netdev for that > VF) when using a VF in macvtap passthrough mode. (in other words, with > these patches in place, it is possible to use *all* the VF netdevs on > both ports of a dual port mellanox NIC for macvtap passthrough.) > > These patches *do not* solve the problem of saving/setting the mac > address/vlan tag for both ports when using a dual port VF for PCI > device assignment with VFIO (see my RFC email from yesterday). That is > a much more complex problem. (These patches are a prerequisite to > anything that might come out of that RFC though). > > Laine Stump (3): > util: new function virNetDevGetPhysPortID() > util: support matching a phys_port_id in virPCIGetNetName() > util: match phys_port_id when converting PF-netdev to/from VF-netdev > > src/libvirt_private.syms | 1 + > src/util/virhostdev.c | 2 +- > src/util/virnetdev.c | 84 +++++++++++++++++++++++++++++++++++++++++++++--- > src/util/virnetdev.h | 5 +++ > src/util/virpci.c | 49 ++++++++++++++++++++++------ > src/util/virpci.h | 4 ++- > 6 files changed, 129 insertions(+), 16 deletions(-) > ACK Michal -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
