diff options
Diffstat (limited to 'drivers/net/hyperv/netvsc_drv.c')
| -rw-r--r-- | drivers/net/hyperv/netvsc_drv.c | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 93b0e91..b69c3a4 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -56,11 +56,51 @@ static int ring_size = 128; module_param(ring_size, int, S_IRUGO); MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)"); -/* no-op so the netdev core doesn't return -EINVAL when modifying the the - * multicast address list in SIOCADDMULTI. hv is setup to get all multicast - * when it calls RndisFilterOnOpen() */ +struct set_multicast_work { + struct work_struct work; + struct net_device *net; +}; + +static void do_set_multicast(struct work_struct *w) +{ + struct set_multicast_work *swk = + container_of(w, struct set_multicast_work, work); + struct net_device *net = swk->net; + + struct net_device_context *ndevctx = netdev_priv(net); + struct netvsc_device *nvdev; + struct rndis_device *rdev; + + nvdev = hv_get_drvdata(ndevctx->device_ctx); + if (nvdev == NULL) + return; + + rdev = nvdev->extension; + if (rdev == NULL) + return; + + if (net->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); + + kfree(w); +} + static void netvsc_set_multicast_list(struct net_device *net) { + struct set_multicast_work *swk = + kmalloc(sizeof(struct set_multicast_work), GFP_ATOMIC); + if (swk == NULL) + return; + + swk->net = net; + INIT_WORK(&swk->work, do_set_multicast); + schedule_work(&swk->work); } static int netvsc_open(struct net_device *net) |
