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Commit 009f766c authored by Stephen Hemminger's avatar Stephen Hemminger Committed by David S. Miller
Browse files

hv_netvsc: filter multicast/broadcast 



The netvsc driver was always enabling all multicast and broadcast
even if netdevice flag had not enabled it.

Signed-off-by: default avatarStephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b3bf5666

drivers/net/hyperv/rndis_filter.c

+12 −8
Original line number Diff line number Diff line
@@ -854,15 +854,19 @@ static void rndis_set_multicast(struct work_struct *w) 
{

	struct rndis_device *rdev

		= container_of(w, struct rndis_device, mcast_work);

	u32 filter = NDIS_PACKET_TYPE_DIRECTED;

	unsigned int flags = rdev->ndev->flags;



	if (rdev->ndev->flags & IFF_PROMISC)

		rndis_filter_set_packet_filter(rdev,

					       NDIS_PACKET_TYPE_PROMISCUOUS);

	else

		rndis_filter_set_packet_filter(rdev,

					       NDIS_PACKET_TYPE_BROADCAST |

					       NDIS_PACKET_TYPE_ALL_MULTICAST |

					       NDIS_PACKET_TYPE_DIRECTED);

	if (flags & IFF_PROMISC) {

		filter = NDIS_PACKET_TYPE_PROMISCUOUS;

	} else {

		if (flags & IFF_ALLMULTI)

			flags |= NDIS_PACKET_TYPE_ALL_MULTICAST;

		if (flags & IFF_BROADCAST)

			flags |= NDIS_PACKET_TYPE_BROADCAST;

	}



	rndis_filter_set_packet_filter(rdev, filter);

}



void rndis_filter_update(struct netvsc_device *nvdev)