summaryrefslogtreecommitdiffstats
path: root/drivers/net/hyperv/netvsc_drv.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/hyperv/netvsc_drv.c')
-rw-r--r--drivers/net/hyperv/netvsc_drv.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 462d05f05e84..466c58a7353d 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -68,11 +68,11 @@ static void do_set_multicast(struct work_struct *w)
nvdev = hv_get_drvdata(ndevctx->device_ctx);
if (nvdev == NULL)
- return;
+ goto out;
rdev = nvdev->extension;
if (rdev == NULL)
- return;
+ goto out;
if (net->flags & IFF_PROMISC)
rndis_filter_set_packet_filter(rdev,
@@ -83,6 +83,7 @@ static void do_set_multicast(struct work_struct *w)
NDIS_PACKET_TYPE_ALL_MULTICAST |
NDIS_PACKET_TYPE_DIRECTED);
+out:
kfree(w);
}
@@ -122,7 +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)
@@ -150,10 +151,10 @@ 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) +
@@ -172,8 +173,8 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
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;
@@ -255,7 +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);
}
}
@@ -297,7 +298,7 @@ int netvsc_recv_callback(struct hv_device *device_obj,
skb->ip_summed = CHECKSUM_NONE;
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
@@ -336,7 +337,7 @@ 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;
@@ -459,7 +460,7 @@ 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);