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@@ -29,29 +29,23 @@
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#include "List.h"
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/* Defines */
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-
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-#define NETVSC_DEVICE_RING_BUFFER_SIZE 64*PAGE_SIZE
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-
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-#define HW_MACADDR_LEN 6
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-
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+#define NETVSC_DEVICE_RING_BUFFER_SIZE (64*PAGE_SIZE)
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+#define HW_MACADDR_LEN 6
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/* Fwd declaration */
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-
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struct hv_netvsc_packet;
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-
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-
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/* Data types */
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-
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-
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typedef int (*PFN_ON_OPEN)(struct hv_device *Device);
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typedef int (*PFN_ON_CLOSE)(struct hv_device *Device);
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typedef void (*PFN_QUERY_LINKSTATUS)(struct hv_device *Device);
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-typedef int (*PFN_ON_SEND)(struct hv_device *dev, struct hv_netvsc_packet *packet);
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-typedef void (*PFN_ON_SENDRECVCOMPLETION)(void * Context);
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+typedef int (*PFN_ON_SEND)(struct hv_device *dev,
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+ struct hv_netvsc_packet *packet);
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+typedef void (*PFN_ON_SENDRECVCOMPLETION)(void *Context);
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-typedef int (*PFN_ON_RECVCALLBACK)(struct hv_device *dev, struct hv_netvsc_packet *packet);
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+typedef int (*PFN_ON_RECVCALLBACK)(struct hv_device *dev,
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+ struct hv_netvsc_packet *packet);
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typedef void (*PFN_ON_LINKSTATUS_CHANGED)(struct hv_device *dev, u32 Status);
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/* Represent the xfer page packet which contains 1 or more netvsc packet */
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@@ -59,12 +53,11 @@ typedef struct _XFERPAGE_PACKET {
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LIST_ENTRY ListEntry;
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/* # of netvsc packets this xfer packet contains */
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- u32 Count;
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+ u32 Count;
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} XFERPAGE_PACKET;
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-
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/* The number of pages which are enough to cover jumbo frame buffer. */
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-#define NETVSC_PACKET_MAXPAGE 4
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+#define NETVSC_PACKET_MAXPAGE 4
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/*
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* Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
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@@ -75,79 +68,73 @@ struct hv_netvsc_packet {
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LIST_ENTRY ListEntry;
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struct hv_device *Device;
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- bool IsDataPacket;
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+ bool IsDataPacket;
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/*
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* Valid only for receives when we break a xfer page packet
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* into multiple netvsc packets
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*/
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- XFERPAGE_PACKET *XferPagePacket;
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+ XFERPAGE_PACKET *XferPagePacket;
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union {
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struct{
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- u64 ReceiveCompletionTid;
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- void * ReceiveCompletionContext;
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- PFN_ON_SENDRECVCOMPLETION OnReceiveCompletion;
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+ u64 ReceiveCompletionTid;
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+ void *ReceiveCompletionContext;
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+ PFN_ON_SENDRECVCOMPLETION OnReceiveCompletion;
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} Recv;
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struct{
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- u64 SendCompletionTid;
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- void * SendCompletionContext;
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- PFN_ON_SENDRECVCOMPLETION OnSendCompletion;
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+ u64 SendCompletionTid;
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+ void *SendCompletionContext;
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+ PFN_ON_SENDRECVCOMPLETION OnSendCompletion;
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} Send;
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} Completion;
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/* This points to the memory after PageBuffers */
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- void * Extension;
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+ void *Extension;
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- u32 TotalDataBufferLength;
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+ u32 TotalDataBufferLength;
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/* Points to the send/receive buffer where the ethernet frame is */
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- u32 PageBufferCount;
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+ u32 PageBufferCount;
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struct hv_page_buffer PageBuffers[NETVSC_PACKET_MAXPAGE];
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-
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};
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-
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/* Represents the net vsc driver */
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typedef struct _NETVSC_DRIVER_OBJECT {
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- struct hv_driver Base; /* Must be the first field */
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+ /* Must be the first field */
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+ /* Which is a bug FIXME! */
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+ struct hv_driver Base;
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- u32 RingBufferSize;
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- u32 RequestExtSize;
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+ u32 RingBufferSize;
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+ u32 RequestExtSize;
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/* Additional num of page buffers to allocate */
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- u32 AdditionalRequestPageBufferCount;
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+ u32 AdditionalRequestPageBufferCount;
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/*
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* This is set by the caller to allow us to callback when we
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* receive a packet from the "wire"
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*/
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- PFN_ON_RECVCALLBACK OnReceiveCallback;
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+ PFN_ON_RECVCALLBACK OnReceiveCallback;
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- PFN_ON_LINKSTATUS_CHANGED OnLinkStatusChanged;
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+ PFN_ON_LINKSTATUS_CHANGED OnLinkStatusChanged;
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/* Specific to this driver */
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- PFN_ON_OPEN OnOpen;
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- PFN_ON_CLOSE OnClose;
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- PFN_ON_SEND OnSend;
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- /* PFN_ON_RECVCOMPLETION OnReceiveCompletion; */
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+ PFN_ON_OPEN OnOpen;
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+ PFN_ON_CLOSE OnClose;
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+ PFN_ON_SEND OnSend;
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+ /* PFN_ON_RECVCOMPLETION OnReceiveCompletion; */
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- /* PFN_QUERY_LINKSTATUS QueryLinkStatus; */
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+ /* PFN_QUERY_LINKSTATUS QueryLinkStatus; */
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- void* Context;
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+ void *Context;
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} NETVSC_DRIVER_OBJECT;
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-
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typedef struct _NETVSC_DEVICE_INFO {
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- unsigned char MacAddr[6];
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- bool LinkState; /* 0 - link up, 1 - link down */
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+ unsigned char MacAddr[6];
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+ bool LinkState; /* 0 - link up, 1 - link down */
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} NETVSC_DEVICE_INFO;
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-
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/* Interface */
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-
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-int
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-NetVscInitialize(
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- struct hv_driver *drv
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- );
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+int NetVscInitialize(struct hv_driver *drv);
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#endif /* _NETVSC_API_H_ */
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