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authorGreg Kroah-Hartman <gregkh@suse.de>2009-08-31 21:11:12 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-15 12:02:02 -0700
commitdf2fff28ec9e120d458e56e210557c6a1416e819 (patch)
tree4ffb5ead6fd3b5aa119041e4925b5b22de44bacf /drivers/staging/hv
parent02fafbc619a57dd4b850ed6af47a40bbb8e1eae8 (diff)
Staging: hv: reorganize netvsc_drv.c
Saves space by getting rid of the forward declarations. Cc: Hank Janssen <hjanssen@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/hv')
-rw-r--r--drivers/staging/hv/netvsc_drv.c329
1 files changed, 158 insertions, 171 deletions
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 46056c63061..70f66cb0ef0 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -39,19 +39,6 @@
MODULE_LICENSE("GPL");
-static int netvsc_probe(struct device *device);
-static int netvsc_remove(struct device *device);
-static int netvsc_open(struct net_device *net);
-static void netvsc_xmit_completion(void *context);
-static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net);
-static int netvsc_recv_callback(struct hv_device *device_obj,
- struct hv_netvsc_packet *Packet);
-static int netvsc_close(struct net_device *net);
-static struct net_device_stats *netvsc_get_stats(struct net_device *net);
-static void netvsc_linkstatus_callback(struct hv_device *device_obj,
- unsigned int status);
-
-
struct net_device_context {
/* point back to our device context */
struct device_context *device_ctx;
@@ -70,38 +57,6 @@ static int netvsc_ringbuffer_size = NETVSC_DEVICE_RING_BUFFER_SIZE;
/* The one and only one */
static struct netvsc_driver_context g_netvsc_drv;
-static int netvsc_drv_init(PFN_DRIVERINITIALIZE pfn_drv_init)
-{
- struct netvsc_driver *net_drv_obj = &g_netvsc_drv.drv_obj;
- struct driver_context *drv_ctx = &g_netvsc_drv.drv_ctx;
- int ret;
-
- DPRINT_ENTER(NETVSC_DRV);
-
- vmbus_get_interface(&net_drv_obj->Base.VmbusChannelInterface);
-
- net_drv_obj->RingBufferSize = netvsc_ringbuffer_size;
- net_drv_obj->OnReceiveCallback = netvsc_recv_callback;
- net_drv_obj->OnLinkStatusChanged = netvsc_linkstatus_callback;
-
- /* Callback to client driver to complete the initialization */
- pfn_drv_init(&net_drv_obj->Base);
-
- drv_ctx->driver.name = net_drv_obj->Base.name;
- memcpy(&drv_ctx->class_id, &net_drv_obj->Base.deviceType,
- sizeof(struct hv_guid));
-
- drv_ctx->probe = netvsc_probe;
- drv_ctx->remove = netvsc_remove;
-
- /* The driver belongs to vmbus */
- ret = vmbus_child_driver_register(drv_ctx);
-
- DPRINT_EXIT(NETVSC_DRV);
-
- return ret;
-}
-
static struct net_device_stats *netvsc_get_stats(struct net_device *net)
{
struct net_device_context *net_device_ctx = netdev_priv(net);
@@ -113,132 +68,6 @@ static void netvsc_set_multicast_list(struct net_device *net)
{
}
-static const struct net_device_ops device_ops = {
- .ndo_open = netvsc_open,
- .ndo_stop = netvsc_close,
- .ndo_start_xmit = netvsc_start_xmit,
- .ndo_get_stats = netvsc_get_stats,
- .ndo_set_multicast_list = netvsc_set_multicast_list,
-};
-
-static int netvsc_probe(struct device *device)
-{
- struct driver_context *driver_ctx =
- driver_to_driver_context(device->driver);
- struct netvsc_driver_context *net_drv_ctx =
- (struct netvsc_driver_context *)driver_ctx;
- struct netvsc_driver *net_drv_obj = &net_drv_ctx->drv_obj;
- struct device_context *device_ctx = device_to_device_context(device);
- struct hv_device *device_obj = &device_ctx->device_obj;
- struct net_device *net = NULL;
- struct net_device_context *net_device_ctx;
- struct netvsc_device_info device_info;
- int ret;
-
- DPRINT_ENTER(NETVSC_DRV);
-
- if (!net_drv_obj->Base.OnDeviceAdd)
- return -1;
-
- net = alloc_netdev(sizeof(struct net_device_context), "seth%d",
- ether_setup);
- if (!net)
- return -1;
-
- /* Set initial state */
- netif_carrier_off(net);
- netif_stop_queue(net);
-
- net_device_ctx = netdev_priv(net);
- net_device_ctx->device_ctx = device_ctx;
- dev_set_drvdata(device, net);
-
- /* Notify the netvsc driver of the new device */
- ret = net_drv_obj->Base.OnDeviceAdd(device_obj, &device_info);
- if (ret != 0) {
- free_netdev(net);
- dev_set_drvdata(device, NULL);
-
- DPRINT_ERR(NETVSC_DRV, "unable to add netvsc device (ret %d)",
- ret);
- return ret;
- }
-
- /*
- * If carrier is still off ie we did not get a link status callback,
- * update it if necessary
- */
- /*
- * FIXME: We should use a atomic or test/set instead to avoid getting
- * out of sync with the device's link status
- */
- if (!netif_carrier_ok(net))
- if (!device_info.LinkState)
- netif_carrier_on(net);
-
- memcpy(net->dev_addr, device_info.MacAddr, ETH_ALEN);
-
- net->netdev_ops = &device_ops;
-
- SET_NETDEV_DEV(net, device);
-
- ret = register_netdev(net);
- if (ret != 0) {
- /* Remove the device and release the resource */
- net_drv_obj->Base.OnDeviceRemove(device_obj);
- free_netdev(net);
- }
-
- DPRINT_EXIT(NETVSC_DRV);
- return ret;
-}
-
-static int netvsc_remove(struct device *device)
-{
- struct driver_context *driver_ctx =
- driver_to_driver_context(device->driver);
- struct netvsc_driver_context *net_drv_ctx =
- (struct netvsc_driver_context *)driver_ctx;
- struct netvsc_driver *net_drv_obj = &net_drv_ctx->drv_obj;
- struct device_context *device_ctx = device_to_device_context(device);
- struct net_device *net = dev_get_drvdata(&device_ctx->device);
- struct hv_device *device_obj = &device_ctx->device_obj;
- int ret;
-
- DPRINT_ENTER(NETVSC_DRV);
-
- if (net == NULL) {
- DPRINT_INFO(NETVSC, "no net device to remove");
- DPRINT_EXIT(NETVSC_DRV);
- return 0;
- }
-
- if (!net_drv_obj->Base.OnDeviceRemove) {
- DPRINT_EXIT(NETVSC_DRV);
- return -1;
- }
-
- /* Stop outbound asap */
- netif_stop_queue(net);
- /* netif_carrier_off(net); */
-
- unregister_netdev(net);
-
- /*
- * Call to the vsc driver to let it know that the device is being
- * removed
- */
- ret = net_drv_obj->Base.OnDeviceRemove(device_obj);
- if (ret != 0) {
- /* TODO: */
- DPRINT_ERR(NETVSC, "unable to remove vsc device (ret %d)", ret);
- }
-
- free_netdev(net);
- DPRINT_EXIT(NETVSC_DRV);
- return ret;
-}
-
static int netvsc_open(struct net_device *net)
{
struct net_device_context *net_device_ctx = netdev_priv(net);
@@ -556,6 +385,132 @@ static int netvsc_recv_callback(struct hv_device *device_obj,
return 0;
}
+static const struct net_device_ops device_ops = {
+ .ndo_open = netvsc_open,
+ .ndo_stop = netvsc_close,
+ .ndo_start_xmit = netvsc_start_xmit,
+ .ndo_get_stats = netvsc_get_stats,
+ .ndo_set_multicast_list = netvsc_set_multicast_list,
+};
+
+static int netvsc_probe(struct device *device)
+{
+ struct driver_context *driver_ctx =
+ driver_to_driver_context(device->driver);
+ struct netvsc_driver_context *net_drv_ctx =
+ (struct netvsc_driver_context *)driver_ctx;
+ struct netvsc_driver *net_drv_obj = &net_drv_ctx->drv_obj;
+ struct device_context *device_ctx = device_to_device_context(device);
+ struct hv_device *device_obj = &device_ctx->device_obj;
+ struct net_device *net = NULL;
+ struct net_device_context *net_device_ctx;
+ struct netvsc_device_info device_info;
+ int ret;
+
+ DPRINT_ENTER(NETVSC_DRV);
+
+ if (!net_drv_obj->Base.OnDeviceAdd)
+ return -1;
+
+ net = alloc_netdev(sizeof(struct net_device_context), "seth%d",
+ ether_setup);
+ if (!net)
+ return -1;
+
+ /* Set initial state */
+ netif_carrier_off(net);
+ netif_stop_queue(net);
+
+ net_device_ctx = netdev_priv(net);
+ net_device_ctx->device_ctx = device_ctx;
+ dev_set_drvdata(device, net);
+
+ /* Notify the netvsc driver of the new device */
+ ret = net_drv_obj->Base.OnDeviceAdd(device_obj, &device_info);
+ if (ret != 0) {
+ free_netdev(net);
+ dev_set_drvdata(device, NULL);
+
+ DPRINT_ERR(NETVSC_DRV, "unable to add netvsc device (ret %d)",
+ ret);
+ return ret;
+ }
+
+ /*
+ * If carrier is still off ie we did not get a link status callback,
+ * update it if necessary
+ */
+ /*
+ * FIXME: We should use a atomic or test/set instead to avoid getting
+ * out of sync with the device's link status
+ */
+ if (!netif_carrier_ok(net))
+ if (!device_info.LinkState)
+ netif_carrier_on(net);
+
+ memcpy(net->dev_addr, device_info.MacAddr, ETH_ALEN);
+
+ net->netdev_ops = &device_ops;
+
+ SET_NETDEV_DEV(net, device);
+
+ ret = register_netdev(net);
+ if (ret != 0) {
+ /* Remove the device and release the resource */
+ net_drv_obj->Base.OnDeviceRemove(device_obj);
+ free_netdev(net);
+ }
+
+ DPRINT_EXIT(NETVSC_DRV);
+ return ret;
+}
+
+static int netvsc_remove(struct device *device)
+{
+ struct driver_context *driver_ctx =
+ driver_to_driver_context(device->driver);
+ struct netvsc_driver_context *net_drv_ctx =
+ (struct netvsc_driver_context *)driver_ctx;
+ struct netvsc_driver *net_drv_obj = &net_drv_ctx->drv_obj;
+ struct device_context *device_ctx = device_to_device_context(device);
+ struct net_device *net = dev_get_drvdata(&device_ctx->device);
+ struct hv_device *device_obj = &device_ctx->device_obj;
+ int ret;
+
+ DPRINT_ENTER(NETVSC_DRV);
+
+ if (net == NULL) {
+ DPRINT_INFO(NETVSC, "no net device to remove");
+ DPRINT_EXIT(NETVSC_DRV);
+ return 0;
+ }
+
+ if (!net_drv_obj->Base.OnDeviceRemove) {
+ DPRINT_EXIT(NETVSC_DRV);
+ return -1;
+ }
+
+ /* Stop outbound asap */
+ netif_stop_queue(net);
+ /* netif_carrier_off(net); */
+
+ unregister_netdev(net);
+
+ /*
+ * Call to the vsc driver to let it know that the device is being
+ * removed
+ */
+ ret = net_drv_obj->Base.OnDeviceRemove(device_obj);
+ if (ret != 0) {
+ /* TODO: */
+ DPRINT_ERR(NETVSC, "unable to remove vsc device (ret %d)", ret);
+ }
+
+ free_netdev(net);
+ DPRINT_EXIT(NETVSC_DRV);
+ return ret;
+}
+
static int netvsc_drv_exit_cb(struct device *dev, void *data)
{
struct device **curr = (struct device **)data;
@@ -604,6 +559,38 @@ static void netvsc_drv_exit(void)
return;
}
+static int netvsc_drv_init(PFN_DRIVERINITIALIZE pfn_drv_init)
+{
+ struct netvsc_driver *net_drv_obj = &g_netvsc_drv.drv_obj;
+ struct driver_context *drv_ctx = &g_netvsc_drv.drv_ctx;
+ int ret;
+
+ DPRINT_ENTER(NETVSC_DRV);
+
+ vmbus_get_interface(&net_drv_obj->Base.VmbusChannelInterface);
+
+ net_drv_obj->RingBufferSize = netvsc_ringbuffer_size;
+ net_drv_obj->OnReceiveCallback = netvsc_recv_callback;
+ net_drv_obj->OnLinkStatusChanged = netvsc_linkstatus_callback;
+
+ /* Callback to client driver to complete the initialization */
+ pfn_drv_init(&net_drv_obj->Base);
+
+ drv_ctx->driver.name = net_drv_obj->Base.name;
+ memcpy(&drv_ctx->class_id, &net_drv_obj->Base.deviceType,
+ sizeof(struct hv_guid));
+
+ drv_ctx->probe = netvsc_probe;
+ drv_ctx->remove = netvsc_remove;
+
+ /* The driver belongs to vmbus */
+ ret = vmbus_child_driver_register(drv_ctx);
+
+ DPRINT_EXIT(NETVSC_DRV);
+
+ return ret;
+}
+
static int __init netvsc_init(void)
{
int ret;