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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-03-19 17:41:24 +0100
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-03-19 17:41:24 +0100
commit9ce28d827f74d0acdd058bded8bab5309b0f5c8f (patch)
tree634f22e8df9c7fd3966b3639e3e997436751ca50 /drivers/net/hyperv/netvsc_drv.c
parent[media] radio-sf16fmr2: fix session mismatches (diff)
parentLinux 3.3 (diff)
downloadlinux-9ce28d827f74d0acdd058bded8bab5309b0f5c8f.tar.xz
linux-9ce28d827f74d0acdd058bded8bab5309b0f5c8f.zip
Merge tag 'v3.3' into staging/for_v3.4
* tag 'v3.3': (1646 commits) Linux 3.3 Don't limit non-nested epoll paths netfilter: ctnetlink: fix race between delete and timeout expiration ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu. nilfs2: fix NULL pointer dereference in nilfs_load_super_block() nilfs2: clamp ns_r_segments_percentage to [1, 99] afs: Remote abort can cause BUG in rxrpc code afs: Read of file returns EBADMSG C6X: remove dead code from entry.S wimax/i2400m: fix erroneous NETDEV_TX_BUSY use net/hyperv: fix erroneous NETDEV_TX_BUSY use net/usbnet: reserve headroom on rx skbs bnx2x: fix memory leak in bnx2x_init_firmware() bnx2x: fix a crash on corrupt firmware file sch_sfq: revert dont put new flow at the end of flows ipv6: fix icmp6_dst_alloc() MAINTAINERS: Add Serge as maintainer of capabilities drivers/video/backlight/s6e63m0.c: fix corruption storing gamma mode MAINTAINERS: add entry for exynos mipi display drivers MAINTAINERS: fix link to Gustavo Padovans tree ...
Diffstat (limited to 'drivers/net/hyperv/netvsc_drv.c')
-rw-r--r--drivers/net/hyperv/netvsc_drv.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 462d05f05e84..610860f28968 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) +
@@ -165,15 +166,15 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
dev_kfree_skb(skb);
net->stats.tx_dropped++;
- return NETDEV_TX_BUSY;
+ return NETDEV_TX_OK;
}
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;
@@ -225,7 +226,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
dev_kfree_skb_any(skb);
}
- return ret ? NETDEV_TX_BUSY : NETDEV_TX_OK;
+ return NETDEV_TX_OK;
}
/*
@@ -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
@@ -312,7 +313,7 @@ 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");
}
@@ -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);
@@ -484,7 +485,7 @@ 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,