Messages in this thread | | | Subject | Re: [E1000-devel] [PATCH] ixgbe: make VLAN filter conditional in SR-IOV case | From | Jeff Kirsher <> | Date | Thu, 13 Nov 2014 09:08:32 -0800 |
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On Thu, 2014-11-13 at 08:28 +0000, Hiroshi Shimamoto wrote: > From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> > > Disable hardware VLAN filtering if netdev->features VLAN flag is > dropped. > > In SR-IOV case, there is a use case which needs to disable VLAN > filter. > For example, we need to make a network function with VF in virtualized > environment. That network function may be a software switch, a router > or etc. It means that that network function will be an end point which > terminates many VLANs. > > In the current implementation, VLAN filtering always be turned on and > VF can receive only 63 VLANs. It means that only 63 VLANs can be used > and it's not enough at all for building a virtual router. > > With this patch, if the user turns VLAN filtering off on the host, VF > can receive every VLAN packet. > The behavior is changed only if VLAN filtering is turned off by > ethtool. > > Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> > CC: Choi, Sy Jong <sy.jong.choi@intel.com> > --- > drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 10 ++++++++++ > drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 4 ++++ > 2 files changed, 14 insertions(+)
Thanks Hiroshi, I will add your patch to my queue. [unhandled content-type:application/pgp-signature] | |