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fceaf24a HJ |
1 | /* |
2 | * | |
3 | * Copyright (c) 2009, Microsoft Corporation. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms and conditions of the GNU General Public License, | |
7 | * version 2, as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., 59 Temple | |
16 | * Place - Suite 330, Boston, MA 02111-1307 USA. | |
17 | * | |
18 | * Authors: | |
19 | * Hank Janssen <hjanssen@microsoft.com> | |
20 | * | |
21 | */ | |
22 | ||
23 | ||
24 | #ifndef _NETVSC_H_ | |
25 | #define _NETVSC_H_ | |
26 | ||
c86f3e2a GKH |
27 | #include "include/VmbusPacketFormat.h" |
28 | #include "include/nvspprotocol.h" | |
fceaf24a | 29 | |
c86f3e2a | 30 | #include "include/List.h" |
fceaf24a | 31 | |
c86f3e2a | 32 | #include "include/NetVscApi.h" |
fceaf24a HJ |
33 | // |
34 | // #defines | |
35 | // | |
36 | //#define NVSC_MIN_PROTOCOL_VERSION 1 | |
37 | //#define NVSC_MAX_PROTOCOL_VERSION 1 | |
38 | ||
39 | #define NETVSC_SEND_BUFFER_SIZE 64*1024 // 64K | |
40 | #define NETVSC_SEND_BUFFER_ID 0xface | |
41 | ||
42 | ||
43 | #define NETVSC_RECEIVE_BUFFER_SIZE 1024*1024 // 1MB | |
44 | ||
45 | #define NETVSC_RECEIVE_BUFFER_ID 0xcafe | |
46 | ||
47 | #define NETVSC_RECEIVE_SG_COUNT 1 | |
48 | ||
49 | // Preallocated receive packets | |
50 | #define NETVSC_RECEIVE_PACKETLIST_COUNT 256 | |
51 | ||
52 | // | |
53 | // Data types | |
54 | // | |
55 | ||
56 | // Per netvsc channel-specific | |
57 | typedef struct _NETVSC_DEVICE { | |
58 | DEVICE_OBJECT *Device; | |
59 | ||
60 | int RefCount; | |
61 | ||
62 | int NumOutstandingSends; | |
63 | // List of free preallocated NETVSC_PACKET to represent receive packet | |
64 | LIST_ENTRY ReceivePacketList; | |
6436873a | 65 | spinlock_t receive_packet_list_lock; |
fceaf24a HJ |
66 | |
67 | // Send buffer allocated by us but manages by NetVSP | |
8282c400 | 68 | void * SendBuffer; |
4d643114 GKH |
69 | u32 SendBufferSize; |
70 | u32 SendBufferGpadlHandle; | |
71 | u32 SendSectionSize; | |
fceaf24a HJ |
72 | |
73 | // Receive buffer allocated by us but manages by NetVSP | |
8282c400 | 74 | void * ReceiveBuffer; |
4d643114 GKH |
75 | u32 ReceiveBufferSize; |
76 | u32 ReceiveBufferGpadlHandle; | |
77 | u32 ReceiveSectionCount; | |
fceaf24a HJ |
78 | PNVSP_1_RECEIVE_BUFFER_SECTION ReceiveSections; |
79 | ||
80 | // Used for NetVSP initialization protocol | |
81 | HANDLE ChannelInitEvent; | |
82 | NVSP_MESSAGE ChannelInitPacket; | |
83 | ||
84 | NVSP_MESSAGE RevokePacket; | |
59471438 | 85 | //unsigned char HwMacAddr[HW_MACADDR_LEN]; |
fceaf24a HJ |
86 | |
87 | // Holds rndis device info | |
88 | void *Extension; | |
89 | } NETVSC_DEVICE; | |
90 | ||
91 | #endif // _NETVSC_H_ |