diff options
Diffstat (limited to 'drivers/staging/hv/NetVscApi.h')
| -rw-r--r-- | drivers/staging/hv/NetVscApi.h | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/drivers/staging/hv/NetVscApi.h b/drivers/staging/hv/NetVscApi.h deleted file mode 100644 index 1ce2b74a34a..00000000000 --- a/drivers/staging/hv/NetVscApi.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * - * Copyright (c) 2009, Microsoft Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307 USA. - * - * Authors: - * Haiyang Zhang <haiyangz@microsoft.com> - * Hank Janssen <hjanssen@microsoft.com> - * - */ - - -#ifndef _NETVSC_API_H_ -#define _NETVSC_API_H_ - -#include "VmbusApi.h" - -/* Defines */ -#define NETVSC_DEVICE_RING_BUFFER_SIZE (64*PAGE_SIZE) -#define HW_MACADDR_LEN 6 - -/* Fwd declaration */ -struct hv_netvsc_packet; - -/* Represent the xfer page packet which contains 1 or more netvsc packet */ -struct xferpage_packet { - struct list_head ListEntry; - - /* # of netvsc packets this xfer packet contains */ - u32 Count; -}; - -/* The number of pages which are enough to cover jumbo frame buffer. */ -#define NETVSC_PACKET_MAXPAGE 4 - -/* - * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame - * within the RNDIS - */ -struct hv_netvsc_packet { - /* Bookkeeping stuff */ - struct list_head ListEntry; - - struct hv_device *Device; - bool IsDataPacket; - - /* - * Valid only for receives when we break a xfer page packet - * into multiple netvsc packets - */ - struct xferpage_packet *XferPagePacket; - - union { - struct{ - u64 ReceiveCompletionTid; - void *ReceiveCompletionContext; - void (*OnReceiveCompletion)(void *context); - } Recv; - struct{ - u64 SendCompletionTid; - void *SendCompletionContext; - void (*OnSendCompletion)(void *context); - } Send; - } Completion; - - /* This points to the memory after PageBuffers */ - void *Extension; - - u32 TotalDataBufferLength; - /* Points to the send/receive buffer where the ethernet frame is */ - u32 PageBufferCount; - struct hv_page_buffer PageBuffers[NETVSC_PACKET_MAXPAGE]; -}; - -/* Represents the net vsc driver */ -struct netvsc_driver { - /* Must be the first field */ - /* Which is a bug FIXME! */ - struct hv_driver Base; - - u32 RingBufferSize; - u32 RequestExtSize; - - /* Additional num of page buffers to allocate */ - u32 AdditionalRequestPageBufferCount; - - /* - * This is set by the caller to allow us to callback when we - * receive a packet from the "wire" - */ - int (*OnReceiveCallback)(struct hv_device *dev, - struct hv_netvsc_packet *packet); - void (*OnLinkStatusChanged)(struct hv_device *dev, u32 Status); - - /* Specific to this driver */ - int (*OnOpen)(struct hv_device *dev); - int (*OnClose)(struct hv_device *dev); - int (*OnSend)(struct hv_device *dev, struct hv_netvsc_packet *packet); - - void *Context; -}; - -struct netvsc_device_info { - unsigned char MacAddr[6]; - bool LinkState; /* 0 - link up, 1 - link down */ -}; - -/* Interface */ -int NetVscInitialize(struct hv_driver *drv); - -#endif /* _NETVSC_API_H_ */ |
