diff options
Diffstat (limited to 'drivers/net/hyperv/netvsc_drv.c')
| -rw-r--r-- | drivers/net/hyperv/netvsc_drv.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index f6382150b16a..9522763c8faf 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -871,19 +871,12 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) struct netvsc_device *nvdev = ndevctx->nvdev; struct hv_device *hdev = ndevctx->device_ctx; struct netvsc_device_info device_info; - int limit = ETH_DATA_LEN; u32 num_chn; int ret = 0; if (ndevctx->start_remove || !nvdev || nvdev->destroy) return -ENODEV; - if (nvdev->nvsp_version >= NVSP_PROTOCOL_VERSION_2) - limit = NETVSC_MTU - ETH_HLEN; - - if (mtu < NETVSC_MTU_MIN || mtu > limit) - return -EINVAL; - ret = netvsc_close(ndev); if (ret) goto out; @@ -1401,6 +1394,13 @@ static int netvsc_probe(struct hv_device *dev, netif_set_real_num_tx_queues(net, nvdev->num_chn); netif_set_real_num_rx_queues(net, nvdev->num_chn); + /* MTU range: 68 - 1500 or 65521 */ + net->min_mtu = NETVSC_MTU_MIN; + if (nvdev->nvsp_version >= NVSP_PROTOCOL_VERSION_2) + net->max_mtu = NETVSC_MTU - ETH_HLEN; + else + net->max_mtu = ETH_DATA_LEN; + ret = register_netdev(net); if (ret != 0) { pr_err("Unable to register netdev.\n"); |