3 * Copyright (c) 2009, Microsoft Corporation.
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.
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
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.
19 * Hank Janssen <hjanssen@microsoft.com>
27 #include "include/VmbusPacketFormat.h"
28 #include "include/nvspprotocol.h"
30 #include "include/List.h"
32 #include "include/NetVscApi.h"
36 /* #define NVSC_MIN_PROTOCOL_VERSION 1 */
37 /* #define NVSC_MAX_PROTOCOL_VERSION 1 */
39 #define NETVSC_SEND_BUFFER_SIZE 64*1024 /* 64K */
40 #define NETVSC_SEND_BUFFER_ID 0xface
43 #define NETVSC_RECEIVE_BUFFER_SIZE 1024*1024 /* 1MB */
45 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe
47 #define NETVSC_RECEIVE_SG_COUNT 1
49 /* Preallocated receive packets */
50 #define NETVSC_RECEIVE_PACKETLIST_COUNT 256
56 /* Per netvsc channel-specific */
57 struct NETVSC_DEVICE {
58 struct hv_device *Device;
61 atomic_t NumOutstandingSends;
62 /* List of free preallocated hv_netvsc_packet to represent receive packet */
63 LIST_ENTRY ReceivePacketList;
64 spinlock_t receive_packet_list_lock;
66 /* Send buffer allocated by us but manages by NetVSP */
69 u32 SendBufferGpadlHandle;
72 /* Receive buffer allocated by us but manages by NetVSP */
74 u32 ReceiveBufferSize;
75 u32 ReceiveBufferGpadlHandle;
76 u32 ReceiveSectionCount;
77 PNVSP_1_RECEIVE_BUFFER_SECTION ReceiveSections;
79 /* Used for NetVSP initialization protocol */
80 struct osd_waitevent *ChannelInitEvent;
81 NVSP_MESSAGE ChannelInitPacket;
83 NVSP_MESSAGE RevokePacket;
84 /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
86 /* Holds rndis device info */
90 #endif /* _NETVSC_H_ */