diff options
Diffstat (limited to 'drivers/net/hyperv/netvsc_drv.c')
| -rw-r--r-- | drivers/net/hyperv/netvsc_drv.c | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 1a1ca6cfc74a..dd294783b5c5 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -123,7 +123,7 @@ static int netvsc_close(struct net_device *net) struct hv_device *device_obj = net_device_ctx->device_ctx; int ret; - netif_stop_queue(net); + netif_tx_disable(net); ret = rndis_filter_close(device_obj); if (ret != 0) @@ -151,30 +151,33 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) int ret; unsigned int i, num_pages, npg_data; - /* Add multipage for skb->data and additional one for RNDIS */ + /* Add multipages for skb->data and additional 2 for RNDIS */ npg_data = (((unsigned long)skb->data + skb_headlen(skb) - 1) >> PAGE_SHIFT) - ((unsigned long)skb->data >> PAGE_SHIFT) + 1; - num_pages = skb_shinfo(skb)->nr_frags + npg_data + 1; + num_pages = skb_shinfo(skb)->nr_frags + npg_data + 2; /* Allocate a netvsc packet based on # of frags. */ packet = kzalloc(sizeof(struct hv_netvsc_packet) + (num_pages * sizeof(struct hv_page_buffer)) + - sizeof(struct rndis_filter_packet), GFP_ATOMIC); + sizeof(struct rndis_filter_packet) + + NDIS_VLAN_PPI_SIZE, GFP_ATOMIC); if (!packet) { /* out of memory, drop packet */ netdev_err(net, "unable to allocate hv_netvsc_packet\n"); dev_kfree_skb(skb); net->stats.tx_dropped++; - return NETDEV_TX_BUSY; + return NETDEV_TX_OK; } + packet->vlan_tci = skb->vlan_tci; + packet->extension = (void *)(unsigned long)packet + sizeof(struct hv_netvsc_packet) + (num_pages * sizeof(struct hv_page_buffer)); - /* Setup the rndis header */ - packet->page_buf_cnt = num_pages; + /* If the rndis msg goes beyond 1 page, we will add 1 later */ + packet->page_buf_cnt = num_pages - 1; /* Initialize it from the skb */ packet->total_data_buflen = skb->len; @@ -220,10 +223,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) net->stats.tx_bytes += skb->len; net->stats.tx_packets++; } else { - /* we are shutting down or bus overloaded, just drop packet */ - net->stats.tx_dropped++; kfree(packet); - dev_kfree_skb_any(skb); } return ret ? NETDEV_TX_BUSY : NETDEV_TX_OK; @@ -256,7 +256,7 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj, schedule_delayed_work(&ndev_ctx->dwork, msecs_to_jiffies(20)); } else { netif_carrier_off(net); - netif_stop_queue(net); + netif_tx_disable(net); } } @@ -267,13 +267,10 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj, int netvsc_recv_callback(struct hv_device *device_obj, struct hv_netvsc_packet *packet) { - struct net_device *net = dev_get_drvdata(&device_obj->device); + struct net_device *net; struct sk_buff *skb; - struct netvsc_device *net_device; - - net_device = hv_get_drvdata(device_obj); - net = net_device->ndev; + net = ((struct netvsc_device *)hv_get_drvdata(device_obj))->ndev; if (!net) { netdev_err(net, "got receive callback but net device" " not initialized yet\n"); @@ -296,9 +293,10 @@ int netvsc_recv_callback(struct hv_device *device_obj, skb->protocol = eth_type_trans(skb, net); skb->ip_summed = CHECKSUM_NONE; + skb->vlan_tci = packet->vlan_tci; net->stats.rx_packets++; - net->stats.rx_bytes += skb->len; + net->stats.rx_bytes += packet->total_data_buflen; /* * Pass the skb back up. Network stack will deallocate the skb when it @@ -313,7 +311,7 @@ int netvsc_recv_callback(struct hv_device *device_obj, static void netvsc_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info) { - strcpy(info->driver, "hv_netvsc"); + strcpy(info->driver, KBUILD_MODNAME); strcpy(info->version, HV_DRV_VERSION); strcpy(info->fw_version, "N/A"); } @@ -337,7 +335,7 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) nvdev->start_remove = true; cancel_delayed_work_sync(&ndevctx->dwork); - netif_stop_queue(ndev); + netif_tx_disable(ndev); rndis_filter_device_remove(hdev); ndev->mtu = mtu; @@ -410,7 +408,7 @@ static int netvsc_probe(struct hv_device *dev, /* TODO: Add GSO and Checksum offload */ net->hw_features = NETIF_F_SG; - net->features = NETIF_F_SG; + net->features = NETIF_F_SG | NETIF_F_HW_VLAN_TX; SET_ETHTOOL_OPS(net, ðtool_ops); SET_NETDEV_DEV(net, &dev->device); @@ -460,7 +458,7 @@ static int netvsc_remove(struct hv_device *dev) cancel_delayed_work_sync(&ndev_ctx->dwork); /* Stop outbound asap */ - netif_stop_queue(net); + netif_tx_disable(net); unregister_netdev(net); @@ -485,7 +483,7 @@ MODULE_DEVICE_TABLE(vmbus, id_table); /* The one and only one */ static struct hv_driver netvsc_drv = { - .name = "netvsc", + .name = KBUILD_MODNAME, .id_table = id_table, .probe = netvsc_probe, .remove = netvsc_remove, |