[Intel-wired-lan] [E1000-devel] [PATCH v3 3/3] ixgbe: Add new ndo to allow VF multicast promiscuous mode

[Jeff Kirsher]

On Wed, 2015-04-08 at 15:15 -0700, Alexander Duyck wrote:
> On 04/07/2015 10:38 PM, Hiroshi Shimamoto wrote:
> > From: Hiroshi Shimamoto <h-shimamoto at ct.jp.nec.com>
> >
> > Implements the new netdev op to allow VF multicast promiscuous mode.
> >
> > The multicast promiscuous mode is not allowed for all VFs by default.
> >
> > The administrator can allow to VF multicast promiscuous mode for only
> > trusted VM. After allowing multicast promiscuous mode from the host,
> > we can use over 30 IPv6 addresses on VM.
> >  # ip link set dev eth0 vf 1 mc_promisc on
> >
> > When disallowing multicast promiscuous mode, ixgbevf can only handle 30
> > IPv6 addresses at most.
> >  # ip link set dev eth0 vf 1 mc_promisc off
> >
> > Signed-off-by: Hiroshi Shimamoto <h-shimamoto at ct.jp.nec.com>
> > Reviewed-by: Hayato Momma <h-momma at ce.jp.nec.com>
> > CC: Choi, Sy Jong <sy.jong.choi at intel.com>
> > ---
> >  drivers/net/ethernet/intel/ixgbe/ixgbe.h       |  1 +
> >  drivers/net/ethernet/intel/ixgbe/ixgbe_main.c  |  7 ++++++
> >  drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 32 ++++++++++++++++++++++++--
> >  drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h |  2 ++
> >  4 files changed, 40 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
> > index 08e65b6..4a9f74d 100644
> > --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
> > +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
> > @@ -153,6 +153,7 @@ struct vf_data_storage {
> >  	u16 vlan_count;
> >  	u8 spoofchk_enabled;
> >  	bool rss_query_enabled;
> > +	u8 mc_promisc_allowed;
> >  	unsigned int vf_api;
> >  };
> >  
> > diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
> > index 2f41403..c0e07c5 100644
> > --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
> > +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
> > @@ -3663,6 +3663,12 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter)
> >  		ixgbe_ndo_set_vf_rss_query_en(adapter->netdev, i,
> >  					      adapter->vfinfo[i].rss_query_enabled);
> >  	}
> > +
> > +	/* Reconfigure multicast promiscuous mode */
> > +	for (i = 0; i < adapter->num_vfs; i++) {
> > +		ixgbe_ndo_set_vf_mc_promisc(adapter->netdev, i,
> > +					adapter->vfinfo[i].mc_promisc_allowed);
> > +	}
> >  }
> >  
> >  static void ixgbe_set_rx_buffer_len(struct ixgbe_adapter *adapter)
> 
> This doesn't need to be a separate loop.  You can push it up into the
> block above since it is already looping through all VFs.
> 
> Once that is fixed the rest of this patch and the other two looked fine
> to me.

Hiroshi I am dropping this series and will await v4.

Remember to send them to intel-wired-lan mailing list, please.

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