Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Signed-off-by: Hank Janssen <hjanssen@xxxxxxxxxxxxx>
---
drivers/staging/hv/rndis_filter.c | 582 +++++++++++++++++++------------------
1 files changed, 296 insertions(+), 286 deletions(-)
diff --git a/drivers/staging/hv/rndis_filter.c b/drivers/staging/hv/rndis_filter.c
index b85c825..28b7e7e 100644
--- a/drivers/staging/hv/rndis_filter.c
+++ b/drivers/staging/hv/rndis_filter.c
@@ -32,7 +32,7 @@
/* Data types */
struct rndis_filter_driver_object {
/* The original driver */
- struct netvsc_driver InnerDriver;
+ struct netvsc_driver inner_drv;
};
enum rndis_device_state {
@@ -43,61 +43,61 @@ enum rndis_device_state {
};
struct rndis_device {
- struct netvsc_device *NetDevice;
+ struct netvsc_device *net_dev;
- enum rndis_device_state State;
- u32 LinkStatus;
- atomic_t NewRequestId;
+ enum rndis_device_state state;
+ u32 link_stat;
+ atomic_t new_req_id;
spinlock_t request_lock;
- struct list_head RequestList;
+ struct list_head req_list;
- unsigned char HwMacAddr[ETH_ALEN];
+ unsigned char hw_mac_adr[ETH_ALEN];
};
struct rndis_request {
- struct list_head ListEntry;
- struct osd_waitevent *WaitEvent;
+ struct list_head list_ent;
+ struct osd_waitevent *waitevent;
/*
* FIXME: We assumed a fixed size response here. If we do ever need to
* handle a bigger response, we can either define a max response
* message or add a response buffer variable above this field
*/
- struct rndis_message ResponseMessage;
+ struct rndis_message response_msg;
/* Simplify allocation by having a netvsc packet inline */
- struct hv_netvsc_packet Packet;
- struct hv_page_buffer Buffer;
+ struct hv_netvsc_packet pkt;
+ struct hv_page_buffer buf;
/* FIXME: We assumed a fixed size request here. */
- struct rndis_message RequestMessage;
+ struct rndis_message request_msg;
};
struct rndis_filter_packet {
- void *CompletionContext;
- void (*OnCompletion)(void *context);
- struct rndis_message Message;
+ void *completion_ctx;
+ void (*completion)(void *context);
+ struct rndis_message msg;
};
-static int RndisFilterOnDeviceAdd(struct hv_device *Device,
- void *AdditionalInfo);
+static int RndisFilterOnDeviceAdd(struct hv_device *dev,
+ void *additional_info);
-static int RndisFilterOnDeviceRemove(struct hv_device *Device);
+static int RndisFilterOnDeviceRemove(struct hv_device *dev);
-static void RndisFilterOnCleanup(struct hv_driver *Driver);
+static void RndisFilterOnCleanup(struct hv_driver *drv);
-static int RndisFilterOnSend(struct hv_device *Device,
- struct hv_netvsc_packet *Packet);
+static int RndisFilterOnSend(struct hv_device *dev,
+ struct hv_netvsc_packet *pkt);
-static void RndisFilterOnSendCompletion(void *Context);
+static void RndisFilterOnSendCompletion(void *ctx);
-static void RndisFilterOnSendRequestCompletion(void *Context);
+static void RndisFilterOnSendRequestCompletion(void *ctx);
/* The one and only */
-static struct rndis_filter_driver_object gRndisFilter;
+static struct rndis_filter_driver_object rndis_filter;
static struct rndis_device *GetRndisDevice(void)
{
@@ -109,19 +109,19 @@ static struct rndis_device *GetRndisDevice(void)
spin_lock_init(&device->request_lock);
- INIT_LIST_HEAD(&device->RequestList);
+ INIT_LIST_HEAD(&device->req_list);
- device->State = RNDIS_DEV_UNINITIALIZED;
+ device->state = RNDIS_DEV_UNINITIALIZED;
return device;
}
-static struct rndis_request *GetRndisRequest(struct rndis_device *Device,
- u32 MessageType,
- u32 MessageLength)
+static struct rndis_request *GetRndisRequest(struct rndis_device *dev,
+ u32 msg_type,
+ u32 msg_len)
{
struct rndis_request *request;
- struct rndis_message *rndisMessage;
+ struct rndis_message *rndis_msg;
struct rndis_set_request *set;
unsigned long flags;
@@ -129,61 +129,61 @@ static struct rndis_request *GetRndisRequest(struct rndis_device *Device,
if (!request)
return NULL;
- request->WaitEvent = osd_waitevent_create();
- if (!request->WaitEvent) {
+ request->waitevent = osd_waitevent_create();
+ if (!request->waitevent) {
kfree(request);
return NULL;
}
- rndisMessage = &request->RequestMessage;
- rndisMessage->NdisMessageType = MessageType;
- rndisMessage->MessageLength = MessageLength;
+ rndis_msg = &request->request_msg;
+ rndis_msg->NdisMessageType = msg_type;
+ rndis_msg->MessageLength = msg_len;
/*
* Set the request id. This field is always after the rndis header for
* request/response packet types so we just used the SetRequest as a
* template
*/
- set = &rndisMessage->Message.SetRequest;
- set->RequestId = atomic_inc_return(&Device->NewRequestId);
+ set = &rndis_msg->Message.SetRequest;
+ set->RequestId = atomic_inc_return(&dev->new_req_id);
/* Add to the request list */
- spin_lock_irqsave(&Device->request_lock, flags);
- list_add_tail(&request->ListEntry, &Device->RequestList);
- spin_unlock_irqrestore(&Device->request_lock, flags);
+ spin_lock_irqsave(&dev->request_lock, flags);
+ list_add_tail(&request->list_ent, &dev->req_list);
+ spin_unlock_irqrestore(&dev->request_lock, flags);
return request;
}
-static void PutRndisRequest(struct rndis_device *Device,
- struct rndis_request *Request)
+static void PutRndisRequest(struct rndis_device *dev,
+ struct rndis_request *req)
{
unsigned long flags;
- spin_lock_irqsave(&Device->request_lock, flags);
- list_del(&Request->ListEntry);
- spin_unlock_irqrestore(&Device->request_lock, flags);
+ spin_lock_irqsave(&dev->request_lock, flags);
+ list_del(&req->list_ent);
+ spin_unlock_irqrestore(&dev->request_lock, flags);
- kfree(Request->WaitEvent);
- kfree(Request);
+ kfree(req->waitevent);
+ kfree(req);
}
-static void DumpRndisMessage(struct rndis_message *RndisMessage)
+static void DumpRndisMessage(struct rndis_message *rndis_msg)
{
- switch (RndisMessage->NdisMessageType) {
+ switch (rndis_msg->NdisMessageType) {
case REMOTE_NDIS_PACKET_MSG:
DPRINT_DBG(NETVSC, "REMOTE_NDIS_PACKET_MSG (len %u, "
"data offset %u data len %u, # oob %u, "
"oob offset %u, oob len %u, pkt offset %u, "
"pkt len %u",
- RndisMessage->MessageLength,
- RndisMessage->Message.Packet.DataOffset,
- RndisMessage->Message.Packet.DataLength,
- RndisMessage->Message.Packet.NumOOBDataElements,
- RndisMessage->Message.Packet.OOBDataOffset,
- RndisMessage->Message.Packet.OOBDataLength,
- RndisMessage->Message.Packet.PerPacketInfoOffset,
- RndisMessage->Message.Packet.PerPacketInfoLength);
+ rndis_msg->MessageLength,
+ rndis_msg->Message.Packet.DataOffset,
+ rndis_msg->Message.Packet.DataLength,
+ rndis_msg->Message.Packet.NumOOBDataElements,
+ rndis_msg->Message.Packet.OOBDataOffset,
+ rndis_msg->Message.Packet.OOBDataLength,
+ rndis_msg->Message.Packet.PerPacketInfoOffset,
+ rndis_msg->Message.Packet.PerPacketInfoLength);
break;
case REMOTE_NDIS_INITIALIZE_CMPLT:
@@ -191,147 +191,157 @@ static void DumpRndisMessage(struct rndis_message *RndisMessage)
"(len %u, id 0x%x, status 0x%x, major %d, minor %d, "
"device flags %d, max xfer size 0x%x, max pkts %u, "
"pkt aligned %u)",
- RndisMessage->MessageLength,
- RndisMessage->Message.InitializeComplete.RequestId,
- RndisMessage->Message.InitializeComplete.Status,
- RndisMessage->Message.InitializeComplete.MajorVersion,
- RndisMessage->Message.InitializeComplete.MinorVersion,
- RndisMessage->Message.InitializeComplete.DeviceFlags,
- RndisMessage->Message.InitializeComplete.MaxTransferSize,
- RndisMessage->Message.InitializeComplete.MaxPacketsPerMessage,
- RndisMessage->Message.InitializeComplete.PacketAlignmentFactor);
+ rndis_msg->MessageLength,
+ rndis_msg->Message.InitializeComplete.RequestId,
+ rndis_msg->Message.InitializeComplete.Status,
+ rndis_msg->Message.InitializeComplete.MajorVersion,
+ rndis_msg->Message.InitializeComplete.MinorVersion,
+ rndis_msg->Message.InitializeComplete.DeviceFlags,
+ rndis_msg->Message.InitializeComplete.MaxTransferSize,
+ rndis_msg->Message.InitializeComplete.
+ MaxPacketsPerMessage,
+ rndis_msg->Message.InitializeComplete.
+ PacketAlignmentFactor);
break;
case REMOTE_NDIS_QUERY_CMPLT:
DPRINT_DBG(NETVSC, "REMOTE_NDIS_QUERY_CMPLT "
"(len %u, id 0x%x, status 0x%x, buf len %u, "
"buf offset %u)",
- RndisMessage->MessageLength,
- RndisMessage->Message.QueryComplete.RequestId,
- RndisMessage->Message.QueryComplete.Status,
- RndisMessage->Message.QueryComplete.InformationBufferLength,
- RndisMessage->Message.QueryComplete.InformationBufferOffset);
+ rndis_msg->MessageLength,
+ rndis_msg->Message.QueryComplete.RequestId,
+ rndis_msg->Message.QueryComplete.Status,
+ rndis_msg->Message.QueryComplete.
+ InformationBufferLength,
+ rndis_msg->Message.QueryComplete.
+ InformationBufferOffset);
break;
case REMOTE_NDIS_SET_CMPLT:
DPRINT_DBG(NETVSC,
"REMOTE_NDIS_SET_CMPLT (len %u, id 0x%x, status 0x%x)",
- RndisMessage->MessageLength,
- RndisMessage->Message.SetComplete.RequestId,
- RndisMessage->Message.SetComplete.Status);
+ rndis_msg->MessageLength,
+ rndis_msg->Message.SetComplete.RequestId,
+ rndis_msg->Message.SetComplete.Status);
break;
case REMOTE_NDIS_INDICATE_STATUS_MSG:
DPRINT_DBG(NETVSC, "REMOTE_NDIS_INDICATE_STATUS_MSG "
"(len %u, status 0x%x, buf len %u, buf offset %u)",
- RndisMessage->MessageLength,
- RndisMessage->Message.IndicateStatus.Status,
- RndisMessage->Message.IndicateStatus.StatusBufferLength,
- RndisMessage->Message.IndicateStatus.StatusBufferOffset);
+ rndis_msg->MessageLength,
+ rndis_msg->Message.IndicateStatus.Status,
+ rndis_msg->Message.IndicateStatus.StatusBufferLength,
+ rndis_msg->Message.IndicateStatus.StatusBufferOffset);
break;
default:
DPRINT_DBG(NETVSC, "0x%x (len %u)",
- RndisMessage->NdisMessageType,
- RndisMessage->MessageLength);
+ rndis_msg->NdisMessageType,
+ rndis_msg->MessageLength);
break;
}
}
-static int RndisFilterSendRequest(struct rndis_device *Device,
- struct rndis_request *Request)
+static int RndisFilterSendRequest(struct rndis_device *dev,
+ struct rndis_request *req)
{
int ret;
struct hv_netvsc_packet *packet;
/* Setup the packet to send it */
- packet = &Request->Packet;
+ packet = &req->pkt;
packet->IsDataPacket = false;
- packet->TotalDataBufferLength = Request->RequestMessage.MessageLength;
+ packet->TotalDataBufferLength = req->request_msg.MessageLength;
packet->PageBufferCount = 1;
- packet->PageBuffers[0].Pfn = virt_to_phys(&Request->RequestMessage) >>
+ packet->PageBuffers[0].Pfn = virt_to_phys(&req->request_msg) >>
PAGE_SHIFT;
- packet->PageBuffers[0].Length = Request->RequestMessage.MessageLength;
+ packet->PageBuffers[0].Length = req->request_msg.MessageLength;
packet->PageBuffers[0].Offset =
- (unsigned long)&Request->RequestMessage & (PAGE_SIZE - 1);
+ (unsigned long)&req->request_msg & (PAGE_SIZE - 1);
- packet->Completion.Send.SendCompletionContext = Request;/* packet; */
+ packet->Completion.Send.SendCompletionContext = req;/* packet; */
packet->Completion.Send.OnSendCompletion =
RndisFilterOnSendRequestCompletion;
- packet->Completion.Send.SendCompletionTid = (unsigned long)Device;
+ packet->Completion.Send.SendCompletionTid = (unsigned long)dev;
- ret = gRndisFilter.InnerDriver.OnSend(Device->NetDevice->Device, packet);
+ ret = rndis_filter.inner_drv.OnSend(dev->net_dev->Device, packet);
return ret;
}
-static void RndisFilterReceiveResponse(struct rndis_device *Device,
- struct rndis_message *Response)
+static void RndisFilterReceiveResponse(struct rndis_device *dev,
+ struct rndis_message *resp)
{
struct rndis_request *request = NULL;
bool found = false;
unsigned long flags;
- spin_lock_irqsave(&Device->request_lock, flags);
- list_for_each_entry(request, &Device->RequestList, ListEntry) {
+ spin_lock_irqsave(&dev->request_lock, flags);
+ list_for_each_entry(request, &dev->req_list, list_ent) {
/*
* All request/response message contains RequestId as the 1st
* field
*/
- if (request->RequestMessage.Message.InitializeRequest.RequestId
- == Response->Message.InitializeComplete.RequestId) {
+ if (request->request_msg.Message.InitializeRequest.RequestId
+ == resp->Message.InitializeComplete.RequestId) {
DPRINT_DBG(NETVSC, "found rndis request for "
"this response (id 0x%x req type 0x%x res "
"type 0x%x)",
- request->RequestMessage.Message.InitializeRequest.RequestId,
- request->RequestMessage.NdisMessageType,
- Response->NdisMessageType);
+ request->request_msg.Message.
+ InitializeRequest.RequestId,
+ request->request_msg.NdisMessageType,
+ resp->NdisMessageType);
found = true;
break;
}
}
- spin_unlock_irqrestore(&Device->request_lock, flags);
+ spin_unlock_irqrestore(&dev->request_lock, flags);
if (found) {
- if (Response->MessageLength <= sizeof(struct rndis_message)) {
- memcpy(&request->ResponseMessage, Response,
- Response->MessageLength);
+ if (resp->MessageLength <= sizeof(struct rndis_message)) {
+ memcpy(&request->response_msg, resp,
+ resp->MessageLength);
} else {
DPRINT_ERR(NETVSC, "rndis response buffer overflow "
"detected (size %u max %zu)",
- Response->MessageLength,
+ resp->MessageLength,
sizeof(struct rndis_filter_packet));
- if (Response->NdisMessageType ==
+ if (resp->NdisMessageType ==
REMOTE_NDIS_RESET_CMPLT) {
/* does not have a request id field */
- request->ResponseMessage.Message.ResetComplete.Status = STATUS_BUFFER_OVERFLOW;
+ request->response_msg.Message.ResetComplete.
+ Status = STATUS_BUFFER_OVERFLOW;
} else {
- request->ResponseMessage.Message.InitializeComplete.Status = STATUS_BUFFER_OVERFLOW;
+ request->response_msg.Message.
+ InitializeComplete.Status =
+ STATUS_BUFFER_OVERFLOW;
}
}
- osd_waitevent_set(request->WaitEvent);
+ osd_waitevent_set(request->waitevent);
} else {
DPRINT_ERR(NETVSC, "no rndis request found for this response "
"(id 0x%x res type 0x%x)",
- Response->Message.InitializeComplete.RequestId,
- Response->NdisMessageType);
+ resp->Message.InitializeComplete.RequestId,
+ resp->NdisMessageType);
}
}
-static void RndisFilterReceiveIndicateStatus(struct rndis_device *Device,
- struct rndis_message *Response)
+static void RndisFilterReceiveIndicateStatus(struct rndis_device *dev,
+ struct rndis_message *resp)
{
struct rndis_indicate_status *indicate =
- &Response->Message.IndicateStatus;
+ &resp->Message.IndicateStatus;
if (indicate->Status == RNDIS_STATUS_MEDIA_CONNECT) {
- gRndisFilter.InnerDriver.OnLinkStatusChanged(Device->NetDevice->Device, 1);
+ rndis_filter.inner_drv.OnLinkStatusChanged(
+ dev->net_dev->Device, 1);
} else if (indicate->Status == RNDIS_STATUS_MEDIA_DISCONNECT) {
- gRndisFilter.InnerDriver.OnLinkStatusChanged(Device->NetDevice->Device, 0);
+ rndis_filter.inner_drv.OnLinkStatusChanged(
+ dev->net_dev->Device, 0);
} else {
/*
* TODO:
@@ -339,18 +349,18 @@ static void RndisFilterReceiveIndicateStatus(struct rndis_device *Device,
}
}
-static void RndisFilterReceiveData(struct rndis_device *Device,
- struct rndis_message *Message,
- struct hv_netvsc_packet *Packet)
+static void RndisFilterReceiveData(struct rndis_device *dev,
+ struct rndis_message *msg,
+ struct hv_netvsc_packet *pkt)
{
- struct rndis_packet *rndisPacket;
- u32 dataOffset;
+ struct rndis_packet *rndis_pkt;
+ u32 data_offset;
/* empty ethernet frame ?? */
/* ASSERT(Packet->PageBuffers[0].Length > */
/* RNDIS_MESSAGE_SIZE(struct rndis_packet)); */
- rndisPacket = &Message->Message.Packet;
+ rndis_pkt = &msg->Message.Packet;
/*
* FIXME: Handle multiple rndis pkt msgs that maybe enclosed in this
@@ -358,48 +368,48 @@ static void RndisFilterReceiveData(struct rndis_device *Device,
*/
/* Remove the rndis header and pass it back up the stack */
- dataOffset = RNDIS_HEADER_SIZE + rndisPacket->DataOffset;
+ data_offset = RNDIS_HEADER_SIZE + rndis_pkt->DataOffset;
- Packet->TotalDataBufferLength -= dataOffset;
- Packet->PageBuffers[0].Offset += dataOffset;
- Packet->PageBuffers[0].Length -= dataOffset;
+ pkt->TotalDataBufferLength -= data_offset;
+ pkt->PageBuffers[0].Offset += data_offset;
+ pkt->PageBuffers[0].Length -= data_offset;
- Packet->IsDataPacket = true;
+ pkt->IsDataPacket = true;
- gRndisFilter.InnerDriver.OnReceiveCallback(Device->NetDevice->Device,
- Packet);
+ rndis_filter.inner_drv.OnReceiveCallback(dev->net_dev->Device,
+ pkt);
}
-static int RndisFilterOnReceive(struct hv_device *Device,
- struct hv_netvsc_packet *Packet)
+static int RndisFilterOnReceive(struct hv_device *dev,
+ struct hv_netvsc_packet *pkt)
{
- struct netvsc_device *netDevice = Device->Extension;
- struct rndis_device *rndisDevice;
- struct rndis_message rndisMessage;
- struct rndis_message *rndisHeader;
+ struct netvsc_device *net_dev = dev->Extension;
+ struct rndis_device *rndis_dev;
+ struct rndis_message rndis_msg;
+ struct rndis_message *rndis_hdr;
- if (!netDevice)
+ if (!net_dev)
return -EINVAL;
/* Make sure the rndis device state is initialized */
- if (!netDevice->Extension) {
+ if (!net_dev->Extension) {
DPRINT_ERR(NETVSC, "got rndis message but no rndis device..."
"dropping this message!");
return -1;
}
- rndisDevice = (struct rndis_device *)netDevice->Extension;
- if (rndisDevice->State == RNDIS_DEV_UNINITIALIZED) {
+ rndis_dev = (struct rndis_device *)net_dev->Extension;
+ if (rndis_dev->state == RNDIS_DEV_UNINITIALIZED) {
DPRINT_ERR(NETVSC, "got rndis message but rndis device "
"uninitialized...dropping this message!");
return -1;
}
- rndisHeader = (struct rndis_message *)kmap_atomic(
- pfn_to_page(Packet->PageBuffers[0].Pfn), KM_IRQ0);
+ rndis_hdr = (struct rndis_message *)kmap_atomic(
+ pfn_to_page(pkt->PageBuffers[0].Pfn), KM_IRQ0);
- rndisHeader = (void *)((unsigned long)rndisHeader +
- Packet->PageBuffers[0].Offset);
+ rndis_hdr = (void *)((unsigned long)rndis_hdr +
+ pkt->PageBuffers[0].Offset);
/* Make sure we got a valid rndis message */
/*
@@ -408,39 +418,39 @@ static int RndisFilterOnReceive(struct hv_device *Device,
* range shows 52 bytes
* */
#if 0
- if (Packet->TotalDataBufferLength != rndisHeader->MessageLength) {
- kunmap_atomic(rndisHeader - Packet->PageBuffers[0].Offset,
+ if (pkt->TotalDataBufferLength != rndis_hdr->MessageLength) {
+ kunmap_atomic(rndis_hdr - pkt->PageBuffers[0].Offset,
KM_IRQ0);
DPRINT_ERR(NETVSC, "invalid rndis message? (expected %u "
"bytes got %u)...dropping this message!",
- rndisHeader->MessageLength,
- Packet->TotalDataBufferLength);
+ rndis_hdr->MessageLength,
+ pkt->TotalDataBufferLength);
return -1;
}
#endif
- if ((rndisHeader->NdisMessageType != REMOTE_NDIS_PACKET_MSG) &&
- (rndisHeader->MessageLength > sizeof(struct rndis_message))) {
+ if ((rndis_hdr->NdisMessageType != REMOTE_NDIS_PACKET_MSG) &&
+ (rndis_hdr->MessageLength > sizeof(struct rndis_message))) {
DPRINT_ERR(NETVSC, "incoming rndis message buffer overflow "
"detected (got %u, max %zu)...marking it an error!",
- rndisHeader->MessageLength,
+ rndis_hdr->MessageLength,
sizeof(struct rndis_message));
}
- memcpy(&rndisMessage, rndisHeader,
- (rndisHeader->MessageLength > sizeof(struct rndis_message)) ?
+ memcpy(&rndis_msg, rndis_hdr,
+ (rndis_hdr->MessageLength > sizeof(struct rndis_message)) ?
sizeof(struct rndis_message) :
- rndisHeader->MessageLength);
+ rndis_hdr->MessageLength);
- kunmap_atomic(rndisHeader - Packet->PageBuffers[0].Offset, KM_IRQ0);
+ kunmap_atomic(rndis_hdr - pkt->PageBuffers[0].Offset, KM_IRQ0);
- DumpRndisMessage(&rndisMessage);
+ DumpRndisMessage(&rndis_msg);
- switch (rndisMessage.NdisMessageType) {
+ switch (rndis_msg.NdisMessageType) {
case REMOTE_NDIS_PACKET_MSG:
/* data msg */
- RndisFilterReceiveData(rndisDevice, &rndisMessage, Packet);
+ RndisFilterReceiveData(rndis_dev, &rndis_msg, pkt);
break;
case REMOTE_NDIS_INITIALIZE_CMPLT:
@@ -449,37 +459,37 @@ static int RndisFilterOnReceive(struct hv_device *Device,
/* case REMOTE_NDIS_RESET_CMPLT: */
/* case REMOTE_NDIS_KEEPALIVE_CMPLT: */
/* completion msgs */
- RndisFilterReceiveResponse(rndisDevice, &rndisMessage);
+ RndisFilterReceiveResponse(rndis_dev, &rndis_msg);
break;
case REMOTE_NDIS_INDICATE_STATUS_MSG:
/* notification msgs */
- RndisFilterReceiveIndicateStatus(rndisDevice, &rndisMessage);
+ RndisFilterReceiveIndicateStatus(rndis_dev, &rndis_msg);
break;
default:
DPRINT_ERR(NETVSC, "unhandled rndis message (type %u len %u)",
- rndisMessage.NdisMessageType,
- rndisMessage.MessageLength);
+ rndis_msg.NdisMessageType,
+ rndis_msg.MessageLength);
break;
}
return 0;
}
-static int RndisFilterQueryDevice(struct rndis_device *Device, u32 Oid,
- void *Result, u32 *ResultSize)
+static int RndisFilterQueryDevice(struct rndis_device *dev, u32 oid,
+ void *result, u32 *result_size)
{
struct rndis_request *request;
- u32 inresultSize = *ResultSize;
+ u32 inresult_size = *result_size;
struct rndis_query_request *query;
- struct rndis_query_complete *queryComplete;
+ struct rndis_query_complete *query_complete;
int ret = 0;
- if (!Result)
+ if (!result)
return -EINVAL;
- *ResultSize = 0;
- request = GetRndisRequest(Device, REMOTE_NDIS_QUERY_MSG,
+ *result_size = 0;
+ request = GetRndisRequest(dev, REMOTE_NDIS_QUERY_MSG,
RNDIS_MESSAGE_SIZE(struct rndis_query_request));
if (!request) {
ret = -1;
@@ -487,71 +497,71 @@ static int RndisFilterQueryDevice(struct rndis_device *Device, u32 Oid,
}
/* Setup the rndis query */
- query = &request->RequestMessage.Message.QueryRequest;
- query->Oid = Oid;
+ query = &request->request_msg.Message.QueryRequest;
+ query->Oid = oid;
query->InformationBufferOffset = sizeof(struct rndis_query_request);
query->InformationBufferLength = 0;
query->DeviceVcHandle = 0;
- ret = RndisFilterSendRequest(Device, request);
+ ret = RndisFilterSendRequest(dev, request);
if (ret != 0)
goto Cleanup;
- osd_waitevent_wait(request->WaitEvent);
+ osd_waitevent_wait(request->waitevent);
/* Copy the response back */
- queryComplete = &request->ResponseMessage.Message.QueryComplete;
+ query_complete = &request->response_msg.Message.QueryComplete;
- if (queryComplete->InformationBufferLength > inresultSize) {
+ if (query_complete->InformationBufferLength > inresult_size) {
ret = -1;
goto Cleanup;
}
- memcpy(Result,
- (void *)((unsigned long)queryComplete +
- queryComplete->InformationBufferOffset),
- queryComplete->InformationBufferLength);
+ memcpy(result,
+ (void *)((unsigned long)query_complete +
+ query_complete->InformationBufferOffset),
+ query_complete->InformationBufferLength);
- *ResultSize = queryComplete->InformationBufferLength;
+ *result_size = query_complete->InformationBufferLength;
Cleanup:
if (request)
- PutRndisRequest(Device, request);
+ PutRndisRequest(dev, request);
return ret;
}
-static int RndisFilterQueryDeviceMac(struct rndis_device *Device)
+static int RndisFilterQueryDeviceMac(struct rndis_device *dev)
{
u32 size = ETH_ALEN;
- return RndisFilterQueryDevice(Device,
+ return RndisFilterQueryDevice(dev,
RNDIS_OID_802_3_PERMANENT_ADDRESS,
- Device->HwMacAddr, &size);
+ dev->hw_mac_adr, &size);
}
-static int RndisFilterQueryDeviceLinkStatus(struct rndis_device *Device)
+static int RndisFilterQueryDeviceLinkStatus(struct rndis_device *dev)
{
u32 size = sizeof(u32);
- return RndisFilterQueryDevice(Device,
+ return RndisFilterQueryDevice(dev,
RNDIS_OID_GEN_MEDIA_CONNECT_STATUS,
- &Device->LinkStatus, &size);
+ &dev->link_stat, &size);
}
-static int RndisFilterSetPacketFilter(struct rndis_device *Device,
- u32 NewFilter)
+static int RndisFilterSetPacketFilter(struct rndis_device *dev,
+ u32 new_filter)
{
struct rndis_request *request;
struct rndis_set_request *set;
- struct rndis_set_complete *setComplete;
+ struct rndis_set_complete *set_complete;
u32 status;
int ret;
/* ASSERT(RNDIS_MESSAGE_SIZE(struct rndis_set_request) + sizeof(u32) <= */
/* sizeof(struct rndis_message)); */
- request = GetRndisRequest(Device, REMOTE_NDIS_SET_MSG,
+ request = GetRndisRequest(dev, REMOTE_NDIS_SET_MSG,
RNDIS_MESSAGE_SIZE(struct rndis_set_request) +
sizeof(u32));
if (!request) {
@@ -560,19 +570,19 @@ static int RndisFilterSetPacketFilter(struct rndis_device *Device,
}
/* Setup the rndis set */
- set = &request->RequestMessage.Message.SetRequest;
+ set = &request->request_msg.Message.SetRequest;
set->Oid = RNDIS_OID_GEN_CURRENT_PACKET_FILTER;
set->InformationBufferLength = sizeof(u32);
set->InformationBufferOffset = sizeof(struct rndis_set_request);
memcpy((void *)(unsigned long)set + sizeof(struct rndis_set_request),
- &NewFilter, sizeof(u32));
+ &new_filter, sizeof(u32));
- ret = RndisFilterSendRequest(Device, request);
+ ret = RndisFilterSendRequest(dev, request);
if (ret != 0)
goto Cleanup;
- ret = osd_waitevent_waitex(request->WaitEvent, 2000/*2sec*/);
+ ret = osd_waitevent_waitex(request->waitevent, 2000/*2sec*/);
if (!ret) {
ret = -1;
DPRINT_ERR(NETVSC, "timeout before we got a set response...");
@@ -584,27 +594,27 @@ static int RndisFilterSetPacketFilter(struct rndis_device *Device,
} else {
if (ret > 0)
ret = 0;
- setComplete = &request->ResponseMessage.Message.SetComplete;
- status = setComplete->Status;
+ set_complete = &request->response_msg.Message.SetComplete;
+ status = set_complete->Status;
}
Cleanup:
if (request)
- PutRndisRequest(Device, request);
+ PutRndisRequest(dev, request);
Exit:
return ret;
}
-int RndisFilterInit(struct netvsc_driver *Driver)
+int RndisFilterInit(struct netvsc_driver *drv)
{
DPRINT_DBG(NETVSC, "sizeof(struct rndis_filter_packet) == %zd",
sizeof(struct rndis_filter_packet));
- Driver->RequestExtSize = sizeof(struct rndis_filter_packet);
+ drv->RequestExtSize = sizeof(struct rndis_filter_packet);
/* Driver->Context = rndisDriver; */
- memset(&gRndisFilter, 0, sizeof(struct rndis_filter_driver_object));
+ memset(&rndis_filter, 0, sizeof(struct rndis_filter_driver_object));
/*rndisDriver->Driver = Driver;
@@ -612,38 +622,38 @@ int RndisFilterInit(struct netvsc_driver *Driver)
rndisDriver->OnLinkStatusChanged = Driver->OnLinkStatusChanged;*/
/* Save the original dispatch handlers before we override it */
- gRndisFilter.InnerDriver.Base.OnDeviceAdd = Driver->Base.OnDeviceAdd;
- gRndisFilter.InnerDriver.Base.OnDeviceRemove =
- Driver->Base.OnDeviceRemove;
- gRndisFilter.InnerDriver.Base.OnCleanup = Driver->Base.OnCleanup;
+ rndis_filter.inner_drv.Base.OnDeviceAdd = drv->Base.OnDeviceAdd;
+ rndis_filter.inner_drv.Base.OnDeviceRemove =
+ drv->Base.OnDeviceRemove;
+ rndis_filter.inner_drv.Base.OnCleanup = drv->Base.OnCleanup;
/* ASSERT(Driver->OnSend); */
/* ASSERT(Driver->OnReceiveCallback); */
- gRndisFilter.InnerDriver.OnSend = Driver->OnSend;
- gRndisFilter.InnerDriver.OnReceiveCallback = Driver->OnReceiveCallback;
- gRndisFilter.InnerDriver.OnLinkStatusChanged =
- Driver->OnLinkStatusChanged;
+ rndis_filter.inner_drv.OnSend = drv->OnSend;
+ rndis_filter.inner_drv.OnReceiveCallback = drv->OnReceiveCallback;
+ rndis_filter.inner_drv.OnLinkStatusChanged =
+ drv->OnLinkStatusChanged;
/* Override */
- Driver->Base.OnDeviceAdd = RndisFilterOnDeviceAdd;
- Driver->Base.OnDeviceRemove = RndisFilterOnDeviceRemove;
- Driver->Base.OnCleanup = RndisFilterOnCleanup;
- Driver->OnSend = RndisFilterOnSend;
+ drv->Base.OnDeviceAdd = RndisFilterOnDeviceAdd;
+ drv->Base.OnDeviceRemove = RndisFilterOnDeviceRemove;
+ drv->Base.OnCleanup = RndisFilterOnCleanup;
+ drv->OnSend = RndisFilterOnSend;
/* Driver->QueryLinkStatus = RndisFilterQueryDeviceLinkStatus; */
- Driver->OnReceiveCallback = RndisFilterOnReceive;
+ drv->OnReceiveCallback = RndisFilterOnReceive;
return 0;
}
-static int RndisFilterInitDevice(struct rndis_device *Device)
+static int RndisFilterInitDevice(struct rndis_device *dev)
{
struct rndis_request *request;
struct rndis_initialize_request *init;
- struct rndis_initialize_complete *initComplete;
+ struct rndis_initialize_complete *init_complete;
u32 status;
int ret;
- request = GetRndisRequest(Device, REMOTE_NDIS_INITIALIZE_MSG,
+ request = GetRndisRequest(dev, REMOTE_NDIS_INITIALIZE_MSG,
RNDIS_MESSAGE_SIZE(struct rndis_initialize_request));
if (!request) {
ret = -1;
@@ -651,103 +661,103 @@ static int RndisFilterInitDevice(struct rndis_device *Device)
}
/* Setup the rndis set */
- init = &request->RequestMessage.Message.InitializeRequest;
+ init = &request->request_msg.Message.InitializeRequest;
init->MajorVersion = RNDIS_MAJOR_VERSION;
init->MinorVersion = RNDIS_MINOR_VERSION;
/* FIXME: Use 1536 - rounded ethernet frame size */
init->MaxTransferSize = 2048;
- Device->State = RNDIS_DEV_INITIALIZING;
+ dev->state = RNDIS_DEV_INITIALIZING;
- ret = RndisFilterSendRequest(Device, request);
+ ret = RndisFilterSendRequest(dev, request);
if (ret != 0) {
- Device->State = RNDIS_DEV_UNINITIALIZED;
+ dev->state = RNDIS_DEV_UNINITIALIZED;
goto Cleanup;
}
- osd_waitevent_wait(request->WaitEvent);
+ osd_waitevent_wait(request->waitevent);
- initComplete = &request->ResponseMessage.Message.InitializeComplete;
- status = initComplete->Status;
+ init_complete = &request->response_msg.Message.InitializeComplete;
+ status = init_complete->Status;
if (status == RNDIS_STATUS_SUCCESS) {
- Device->State = RNDIS_DEV_INITIALIZED;
+ dev->state = RNDIS_DEV_INITIALIZED;
ret = 0;
} else {
- Device->State = RNDIS_DEV_UNINITIALIZED;
+ dev->state = RNDIS_DEV_UNINITIALIZED;
ret = -1;
}
Cleanup:
if (request)
- PutRndisRequest(Device, request);
+ PutRndisRequest(dev, request);
return ret;
}
-static void RndisFilterHaltDevice(struct rndis_device *Device)
+static void RndisFilterHaltDevice(struct rndis_device *dev)
{
struct rndis_request *request;
struct rndis_halt_request *halt;
/* Attempt to do a rndis device halt */
- request = GetRndisRequest(Device, REMOTE_NDIS_HALT_MSG,
+ request = GetRndisRequest(dev, REMOTE_NDIS_HALT_MSG,
RNDIS_MESSAGE_SIZE(struct rndis_halt_request));
if (!request)
goto Cleanup;
/* Setup the rndis set */
- halt = &request->RequestMessage.Message.HaltRequest;
- halt->RequestId = atomic_inc_return(&Device->NewRequestId);
+ halt = &request->request_msg.Message.HaltRequest;
+ halt->RequestId = atomic_inc_return(&dev->new_req_id);
/* Ignore return since this msg is optional. */
- RndisFilterSendRequest(Device, request);
+ RndisFilterSendRequest(dev, request);
- Device->State = RNDIS_DEV_UNINITIALIZED;
+ dev->state = RNDIS_DEV_UNINITIALIZED;
Cleanup:
if (request)
- PutRndisRequest(Device, request);
+ PutRndisRequest(dev, request);
return;
}
-static int RndisFilterOpenDevice(struct rndis_device *Device)
+static int RndisFilterOpenDevice(struct rndis_device *dev)
{
int ret;
- if (Device->State != RNDIS_DEV_INITIALIZED)
+ if (dev->state != RNDIS_DEV_INITIALIZED)
return 0;
- ret = RndisFilterSetPacketFilter(Device,
+ ret = RndisFilterSetPacketFilter(dev,
NDIS_PACKET_TYPE_BROADCAST |
NDIS_PACKET_TYPE_ALL_MULTICAST |
NDIS_PACKET_TYPE_DIRECTED);
if (ret == 0)
- Device->State = RNDIS_DEV_DATAINITIALIZED;
+ dev->state = RNDIS_DEV_DATAINITIALIZED;
return ret;
}
-static int RndisFilterCloseDevice(struct rndis_device *Device)
+static int RndisFilterCloseDevice(struct rndis_device *dev)
{
int ret;
- if (Device->State != RNDIS_DEV_DATAINITIALIZED)
+ if (dev->state != RNDIS_DEV_DATAINITIALIZED)
return 0;
- ret = RndisFilterSetPacketFilter(Device, 0);
+ ret = RndisFilterSetPacketFilter(dev, 0);
if (ret == 0)
- Device->State = RNDIS_DEV_INITIALIZED;
+ dev->state = RNDIS_DEV_INITIALIZED;
return ret;
}
-static int RndisFilterOnDeviceAdd(struct hv_device *Device,
- void *AdditionalInfo)
+static int RndisFilterOnDeviceAdd(struct hv_device *dev,
+ void *additional_info)
{
int ret;
struct netvsc_device *netDevice;
struct rndis_device *rndisDevice;
- struct netvsc_device_info *deviceInfo = AdditionalInfo;
+ struct netvsc_device_info *deviceInfo = additional_info;
rndisDevice = GetRndisDevice();
if (!rndisDevice)
@@ -760,7 +770,7 @@ static int RndisFilterOnDeviceAdd(struct hv_device *Device,
* NOTE! Once the channel is created, we may get a receive callback
* (RndisFilterOnReceive()) before this call is completed
*/
- ret = gRndisFilter.InnerDriver.Base.OnDeviceAdd(Device, AdditionalInfo);
+ ret = rndis_filter.inner_drv.Base.OnDeviceAdd(dev, additional_info);
if (ret != 0) {
kfree(rndisDevice);
return ret;
@@ -768,12 +778,12 @@ static int RndisFilterOnDeviceAdd(struct hv_device *Device,
/* Initialize the rndis device */
- netDevice = Device->Extension;
+ netDevice = dev->Extension;
/* ASSERT(netDevice); */
/* ASSERT(netDevice->Device); */
netDevice->Extension = rndisDevice;
- rndisDevice->NetDevice = netDevice;
+ rndisDevice->net_dev = netDevice;
/* Send the rndis initialization message */
ret = RndisFilterInitDevice(rndisDevice);
@@ -793,43 +803,43 @@ static int RndisFilterOnDeviceAdd(struct hv_device *Device,
}
DPRINT_INFO(NETVSC, "Device 0x%p mac addr %pM",
- rndisDevice, rndisDevice->HwMacAddr);
+ rndisDevice, rndisDevice->hw_mac_adr);
- memcpy(deviceInfo->MacAddr, rndisDevice->HwMacAddr, ETH_ALEN);
+ memcpy(deviceInfo->MacAddr, rndisDevice->hw_mac_adr, ETH_ALEN);
RndisFilterQueryDeviceLinkStatus(rndisDevice);
- deviceInfo->LinkState = rndisDevice->LinkStatus;
+ deviceInfo->LinkState = rndisDevice->link_stat;
DPRINT_INFO(NETVSC, "Device 0x%p link state %s", rndisDevice,
((deviceInfo->LinkState) ? ("down") : ("up")));
return ret;
}
-static int RndisFilterOnDeviceRemove(struct hv_device *Device)
+static int RndisFilterOnDeviceRemove(struct hv_device *dev)
{
- struct netvsc_device *netDevice = Device->Extension;
- struct rndis_device *rndisDevice = netDevice->Extension;
+ struct netvsc_device *net_dev = dev->Extension;
+ struct rndis_device *rndis_dev = net_dev->Extension;
/* Halt and release the rndis device */
- RndisFilterHaltDevice(rndisDevice);
+ RndisFilterHaltDevice(rndis_dev);
- kfree(rndisDevice);
- netDevice->Extension = NULL;
+ kfree(rndis_dev);
+ net_dev->Extension = NULL;
/* Pass control to inner driver to remove the device */
- gRndisFilter.InnerDriver.Base.OnDeviceRemove(Device);
+ rndis_filter.inner_drv.Base.OnDeviceRemove(dev);
return 0;
}
-static void RndisFilterOnCleanup(struct hv_driver *Driver)
+static void RndisFilterOnCleanup(struct hv_driver *drv)
{
}
-int RndisFilterOnOpen(struct hv_device *Device)
+int RndisFilterOnOpen(struct hv_device *dev)
{
- struct netvsc_device *netDevice = Device->Extension;
+ struct netvsc_device *netDevice = dev->Extension;
if (!netDevice)
return -EINVAL;
@@ -837,9 +847,9 @@ int RndisFilterOnOpen(struct hv_device *Device)
return RndisFilterOpenDevice(netDevice->Extension);
}
-int RndisFilterOnClose(struct hv_device *Device)
+int RndisFilterOnClose(struct hv_device *dev)
{
- struct netvsc_device *netDevice = Device->Extension;
+ struct netvsc_device *netDevice = dev->Extension;
if (!netDevice)
return -EINVAL;
@@ -847,8 +857,8 @@ int RndisFilterOnClose(struct hv_device *Device)
return RndisFilterCloseDevice(netDevice->Extension);
}
-static int RndisFilterOnSend(struct hv_device *Device,
- struct hv_netvsc_packet *Packet)
+static int RndisFilterOnSend(struct hv_device *dev,
+ struct hv_netvsc_packet *pkt)
{
int ret;
struct rndis_filter_packet *filterPacket;
@@ -857,62 +867,62 @@ static int RndisFilterOnSend(struct hv_device *Device,
u32 rndisMessageSize;
/* Add the rndis header */
- filterPacket = (struct rndis_filter_packet *)Packet->Extension;
+ filterPacket = (struct rndis_filter_packet *)pkt->Extension;
/* ASSERT(filterPacket); */
memset(filterPacket, 0, sizeof(struct rndis_filter_packet));
- rndisMessage = &filterPacket->Message;
+ rndisMessage = &filterPacket->msg;
rndisMessageSize = RNDIS_MESSAGE_SIZE(struct rndis_packet);
rndisMessage->NdisMessageType = REMOTE_NDIS_PACKET_MSG;
- rndisMessage->MessageLength = Packet->TotalDataBufferLength +
+ rndisMessage->MessageLength = pkt->TotalDataBufferLength +
rndisMessageSize;
rndisPacket = &rndisMessage->Message.Packet;
rndisPacket->DataOffset = sizeof(struct rndis_packet);
- rndisPacket->DataLength = Packet->TotalDataBufferLength;
+ rndisPacket->DataLength = pkt->TotalDataBufferLength;
- Packet->IsDataPacket = true;
- Packet->PageBuffers[0].Pfn = virt_to_phys(rndisMessage) >> PAGE_SHIFT;
- Packet->PageBuffers[0].Offset =
+ pkt->IsDataPacket = true;
+ pkt->PageBuffers[0].Pfn = virt_to_phys(rndisMessage) >> PAGE_SHIFT;
+ pkt->PageBuffers[0].Offset =
(unsigned long)rndisMessage & (PAGE_SIZE-1);
- Packet->PageBuffers[0].Length = rndisMessageSize;
+ pkt->PageBuffers[0].Length = rndisMessageSize;
/* Save the packet send completion and context */
- filterPacket->OnCompletion = Packet->Completion.Send.OnSendCompletion;
- filterPacket->CompletionContext =
- Packet->Completion.Send.SendCompletionContext;
+ filterPacket->completion = pkt->Completion.Send.OnSendCompletion;
+ filterPacket->completion_ctx =
+ pkt->Completion.Send.SendCompletionContext;
/* Use ours */
- Packet->Completion.Send.OnSendCompletion = RndisFilterOnSendCompletion;
- Packet->Completion.Send.SendCompletionContext = filterPacket;
+ pkt->Completion.Send.OnSendCompletion = RndisFilterOnSendCompletion;
+ pkt->Completion.Send.SendCompletionContext = filterPacket;
- ret = gRndisFilter.InnerDriver.OnSend(Device, Packet);
+ ret = rndis_filter.inner_drv.OnSend(dev, pkt);
if (ret != 0) {
/*
* Reset the completion to originals to allow retries from
* above
*/
- Packet->Completion.Send.OnSendCompletion =
- filterPacket->OnCompletion;
- Packet->Completion.Send.SendCompletionContext =
- filterPacket->CompletionContext;
+ pkt->Completion.Send.OnSendCompletion =
+ filterPacket->completion;
+ pkt->Completion.Send.SendCompletionContext =
+ filterPacket->completion_ctx;
}
return ret;
}
-static void RndisFilterOnSendCompletion(void *Context)
+static void RndisFilterOnSendCompletion(void *ctx)
{
- struct rndis_filter_packet *filterPacket = Context;
+ struct rndis_filter_packet *filterPacket = ctx;
/* Pass it back to the original handler */
- filterPacket->OnCompletion(filterPacket->CompletionContext);
+ filterPacket->completion(filterPacket->completion_ctx);
}
-static void RndisFilterOnSendRequestCompletion(void *Context)
+static void RndisFilterOnSendRequestCompletion(void *ctx)
{
/* Noop */
}
--
1.6.3.2
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