diff options
Diffstat (limited to 'drivers/net/hyperv/netvsc_drv.c')
| -rw-r--r-- | drivers/net/hyperv/netvsc_drv.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 1f1192ebcbbd..39dddcd8b3cb 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -1785,13 +1785,15 @@ static int netvsc_set_features(struct net_device *ndev, netdev_features_t change = features ^ ndev->features; struct net_device_context *ndevctx = netdev_priv(ndev); struct netvsc_device *nvdev = rtnl_dereference(ndevctx->nvdev); + struct net_device *vf_netdev = rtnl_dereference(ndevctx->vf_netdev); struct ndis_offload_params offloads; + int ret = 0; if (!nvdev || nvdev->destroy) return -ENODEV; if (!(change & NETIF_F_LRO)) - return 0; + goto syncvf; memset(&offloads, 0, sizeof(struct ndis_offload_params)); @@ -1803,7 +1805,19 @@ static int netvsc_set_features(struct net_device *ndev, offloads.rsc_ip_v6 = NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED; } - return rndis_filter_set_offload_params(ndev, nvdev, &offloads); + ret = rndis_filter_set_offload_params(ndev, nvdev, &offloads); + + if (ret) + features ^= NETIF_F_LRO; + +syncvf: + if (!vf_netdev) + return ret; + + vf_netdev->wanted_features = features; + netdev_update_features(vf_netdev); + + return ret; } static u32 netvsc_get_msglevel(struct net_device *ndev) @@ -2181,6 +2195,10 @@ static int netvsc_register_vf(struct net_device *vf_netdev) dev_hold(vf_netdev); rcu_assign_pointer(net_device_ctx->vf_netdev, vf_netdev); + + vf_netdev->wanted_features = ndev->features; + netdev_update_features(vf_netdev); + return NOTIFY_OK; } |