diff options
| author | Stephen Hemminger <stephen@networkplumber.org> | 2018-03-02 13:49:08 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-04 22:18:21 -0500 |
| commit | 009f766ca2383d8788acd65c2c36c51bbfb19470 (patch) | |
| tree | 299914e3a2eeccb771e19256880e8080230851e3 | |
| parent | b3bf5666a51068ad5ddd89a76ed877101ef3bc16 (diff) | |
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: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/hyperv/rndis_filter.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index 1cba767c6453..8927c483c217 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -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) |