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path: root/drivers/staging/hv/netvsc_drv.c
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Diffstat (limited to 'drivers/staging/hv/netvsc_drv.c')
-rw-r--r--drivers/staging/hv/netvsc_drv.c85
1 files changed, 44 insertions, 41 deletions
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 141535295a41..b41c9640b72d 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -66,6 +66,9 @@ MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)");
/* The one and only one */
static struct netvsc_driver_context g_netvsc_drv;
+/* no-op so the netdev core doesn't return -EINVAL when modifying the the
+ * multicast address list in SIOCADDMULTI. hv is setup to get all multicast
+ * when it calls RndisFilterOnOpen() */
static void netvsc_set_multicast_list(struct net_device *net)
{
}
@@ -78,7 +81,7 @@ static int netvsc_open(struct net_device *net)
if (netif_carrier_ok(net)) {
/* Open up the device */
- ret = RndisFilterOnOpen(device_obj);
+ ret = rndis_filter_open(device_obj);
if (ret != 0) {
DPRINT_ERR(NETVSC_DRV,
"unable to open device (ret %d).", ret);
@@ -101,7 +104,7 @@ static int netvsc_close(struct net_device *net)
netif_stop_queue(net);
- ret = RndisFilterOnClose(device_obj);
+ ret = rndis_filter_close(device_obj);
if (ret != 0)
DPRINT_ERR(NETVSC_DRV, "unable to close device (ret %d).", ret);
@@ -112,7 +115,7 @@ static void netvsc_xmit_completion(void *context)
{
struct hv_netvsc_packet *packet = (struct hv_netvsc_packet *)context;
struct sk_buff *skb = (struct sk_buff *)
- (unsigned long)packet->Completion.Send.SendCompletionTid;
+ (unsigned long)packet->completion.send.send_completion_tid;
kfree(packet);
@@ -151,7 +154,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
/* Allocate a netvsc packet based on # of frags. */
packet = kzalloc(sizeof(struct hv_netvsc_packet) +
(num_pages * sizeof(struct hv_page_buffer)) +
- net_drv_obj->RequestExtSize, GFP_ATOMIC);
+ net_drv_obj->req_ext_size, GFP_ATOMIC);
if (!packet) {
/* out of memory, silently drop packet */
DPRINT_ERR(NETVSC_DRV, "unable to allocate hv_netvsc_packet");
@@ -161,40 +164,40 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
return NETDEV_TX_OK;
}
- packet->Extension = (void *)(unsigned long)packet +
+ packet->extension = (void *)(unsigned long)packet +
sizeof(struct hv_netvsc_packet) +
(num_pages * sizeof(struct hv_page_buffer));
/* Setup the rndis header */
- packet->PageBufferCount = num_pages;
+ packet->page_buf_cnt = num_pages;
/* TODO: Flush all write buffers/ memory fence ??? */
/* wmb(); */
/* Initialize it from the skb */
- packet->TotalDataBufferLength = skb->len;
+ packet->total_data_buflen = skb->len;
/* Start filling in the page buffers starting after RNDIS buffer. */
- packet->PageBuffers[1].Pfn = virt_to_phys(skb->data) >> PAGE_SHIFT;
- packet->PageBuffers[1].Offset
+ packet->page_buf[1].Pfn = virt_to_phys(skb->data) >> PAGE_SHIFT;
+ packet->page_buf[1].Offset
= (unsigned long)skb->data & (PAGE_SIZE - 1);
- packet->PageBuffers[1].Length = skb_headlen(skb);
+ packet->page_buf[1].Length = skb_headlen(skb);
/* Additional fragments are after SKB data */
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *f = &skb_shinfo(skb)->frags[i];
- packet->PageBuffers[i+2].Pfn = page_to_pfn(f->page);
- packet->PageBuffers[i+2].Offset = f->page_offset;
- packet->PageBuffers[i+2].Length = f->size;
+ packet->page_buf[i+2].Pfn = page_to_pfn(f->page);
+ packet->page_buf[i+2].Offset = f->page_offset;
+ packet->page_buf[i+2].Length = f->size;
}
/* Set the completion routine */
- packet->Completion.Send.OnSendCompletion = netvsc_xmit_completion;
- packet->Completion.Send.SendCompletionContext = packet;
- packet->Completion.Send.SendCompletionTid = (unsigned long)skb;
+ packet->completion.send.send_completion = netvsc_xmit_completion;
+ packet->completion.send.send_completion_ctx = packet;
+ packet->completion.send.send_completion_tid = (unsigned long)skb;
- ret = net_drv_obj->OnSend(&net_device_ctx->device_ctx->device_obj,
+ ret = net_drv_obj->send(&net_device_ctx->device_ctx->device_obj,
packet);
if (ret == 0) {
net->stats.tx_bytes += skb->len;
@@ -233,6 +236,7 @@ static void netvsc_linkstatus_callback(struct hv_device *device_obj,
if (status == 1) {
netif_carrier_on(net);
netif_wake_queue(net);
+ netif_notify_peers(net);
} else {
netif_carrier_off(net);
netif_stop_queue(net);
@@ -260,7 +264,7 @@ static int netvsc_recv_callback(struct hv_device *device_obj,
}
/* Allocate a skb - TODO direct I/O to pages? */
- skb = netdev_alloc_skb_ip_align(net, packet->TotalDataBufferLength);
+ skb = netdev_alloc_skb_ip_align(net, packet->total_data_buflen);
if (unlikely(!skb)) {
++net->stats.rx_dropped;
return 0;
@@ -273,17 +277,17 @@ static int netvsc_recv_callback(struct hv_device *device_obj,
* Copy to skb. This copy is needed here since the memory pointed by
* hv_netvsc_packet cannot be deallocated
*/
- for (i = 0; i < packet->PageBufferCount; i++) {
- data = kmap_atomic(pfn_to_page(packet->PageBuffers[i].Pfn),
+ for (i = 0; i < packet->page_buf_cnt; i++) {
+ data = kmap_atomic(pfn_to_page(packet->page_buf[i].Pfn),
KM_IRQ1);
data = (void *)(unsigned long)data +
- packet->PageBuffers[i].Offset;
+ packet->page_buf[i].Offset;
- memcpy(skb_put(skb, packet->PageBuffers[i].Length), data,
- packet->PageBuffers[i].Length);
+ memcpy(skb_put(skb, packet->page_buf[i].Length), data,
+ packet->page_buf[i].Length);
kunmap_atomic((void *)((unsigned long)data -
- packet->PageBuffers[i].Offset), KM_IRQ1);
+ packet->page_buf[i].Offset), KM_IRQ1);
}
local_irq_restore(flags);
@@ -346,7 +350,7 @@ static int netvsc_probe(struct device *device)
struct netvsc_device_info device_info;
int ret;
- if (!net_drv_obj->Base.OnDeviceAdd)
+ if (!net_drv_obj->base.OnDeviceAdd)
return -1;
net = alloc_etherdev(sizeof(struct net_device_context));
@@ -355,7 +359,6 @@ static int netvsc_probe(struct device *device)
/* Set initial state */
netif_carrier_off(net);
- netif_stop_queue(net);
net_device_ctx = netdev_priv(net);
net_device_ctx->device_ctx = device_ctx;
@@ -363,7 +366,7 @@ static int netvsc_probe(struct device *device)
dev_set_drvdata(device, net);
/* Notify the netvsc driver of the new device */
- ret = net_drv_obj->Base.OnDeviceAdd(device_obj, &device_info);
+ ret = net_drv_obj->base.OnDeviceAdd(device_obj, &device_info);
if (ret != 0) {
free_netdev(net);
dev_set_drvdata(device, NULL);
@@ -382,10 +385,10 @@ static int netvsc_probe(struct device *device)
* out of sync with the device's link status
*/
if (!netif_carrier_ok(net))
- if (!device_info.LinkState)
+ if (!device_info.link_state)
netif_carrier_on(net);
- memcpy(net->dev_addr, device_info.MacAddr, ETH_ALEN);
+ memcpy(net->dev_addr, device_info.mac_adr, ETH_ALEN);
net->netdev_ops = &device_ops;
@@ -398,7 +401,7 @@ static int netvsc_probe(struct device *device)
ret = register_netdev(net);
if (ret != 0) {
/* Remove the device and release the resource */
- net_drv_obj->Base.OnDeviceRemove(device_obj);
+ net_drv_obj->base.OnDeviceRemove(device_obj);
free_netdev(net);
}
@@ -422,7 +425,7 @@ static int netvsc_remove(struct device *device)
return 0;
}
- if (!net_drv_obj->Base.OnDeviceRemove)
+ if (!net_drv_obj->base.OnDeviceRemove)
return -1;
/* Stop outbound asap */
@@ -435,7 +438,7 @@ static int netvsc_remove(struct device *device)
* Call to the vsc driver to let it know that the device is being
* removed
*/
- ret = net_drv_obj->Base.OnDeviceRemove(device_obj);
+ ret = net_drv_obj->base.OnDeviceRemove(device_obj);
if (ret != 0) {
/* TODO: */
DPRINT_ERR(NETVSC, "unable to remove vsc device (ret %d)", ret);
@@ -481,8 +484,8 @@ static void netvsc_drv_exit(void)
device_unregister(current_dev);
}
- if (netvsc_drv_obj->Base.OnCleanup)
- netvsc_drv_obj->Base.OnCleanup(&netvsc_drv_obj->Base);
+ if (netvsc_drv_obj->base.OnCleanup)
+ netvsc_drv_obj->base.OnCleanup(&netvsc_drv_obj->base);
vmbus_child_driver_unregister(drv_ctx);
@@ -495,15 +498,15 @@ static int netvsc_drv_init(int (*drv_init)(struct hv_driver *drv))
struct driver_context *drv_ctx = &g_netvsc_drv.drv_ctx;
int ret;
- net_drv_obj->RingBufferSize = ring_size * PAGE_SIZE;
- net_drv_obj->OnReceiveCallback = netvsc_recv_callback;
- net_drv_obj->OnLinkStatusChanged = netvsc_linkstatus_callback;
+ net_drv_obj->ring_buf_size = ring_size * PAGE_SIZE;
+ net_drv_obj->recv_cb = netvsc_recv_callback;
+ net_drv_obj->link_status_change = netvsc_linkstatus_callback;
/* Callback to client driver to complete the initialization */
- drv_init(&net_drv_obj->Base);
+ 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,
+ 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;
@@ -536,7 +539,7 @@ static int __init netvsc_init(void)
if (!dmi_check_system(hv_netvsc_dmi_table))
return -ENODEV;
- return netvsc_drv_init(NetVscInitialize);
+ return netvsc_drv_init(netvsc_initialize);
}
static void __exit netvsc_exit(void)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.