hyperv: Add processing of MTU reduced by the host

[cascardo/linux.git] / drivers / net / hyperv / netvsc.c

diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 7d76c95..6b46311 100644 (file)
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -440,7 +440,8 @@ static int negotiate_nvsp_ver(struct hv_device *device,
        /* NVSPv2 only: Send NDIS config */
        memset(init_packet, 0, sizeof(struct nvsp_message));
        init_packet->hdr.msg_type = NVSP_MSG2_TYPE_SEND_NDIS_CONFIG;
-       init_packet->msg.v2_msg.send_ndis_config.mtu = net_device->ndev->mtu;
+       init_packet->msg.v2_msg.send_ndis_config.mtu = net_device->ndev->mtu +
+                                                      ETH_HLEN;
        init_packet->msg.v2_msg.send_ndis_config.capability.ieee8021q = 1;
 
        ret = vmbus_sendpacket(device->channel, init_packet,