1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*-
* Copyright (c) 2009-2012 Microsoft Corp.
* Copyright (c) 2010-2012 Citrix Inc.
* Copyright (c) 2012 NetApp Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __HV_RNDIS_FILTER_H__
#define __HV_RNDIS_FILTER_H__
/*
* Defines
*/
/* Destroy or preserve channel on filter/netvsc teardown */
#define HV_RF_NV_DESTROY_CHANNEL TRUE
#define HV_RF_NV_RETAIN_CHANNEL FALSE
/*
* Number of page buffers to reserve for the RNDIS filter packet in the
* transmitted message.
*/
#define HV_RF_NUM_TX_RESERVED_PAGE_BUFS 1
/*
* Data types
*/
typedef enum {
RNDIS_DEV_UNINITIALIZED = 0,
RNDIS_DEV_INITIALIZING,
RNDIS_DEV_INITIALIZED,
RNDIS_DEV_DATAINITIALIZED,
} rndis_device_state;
typedef struct rndis_request_ {
STAILQ_ENTRY(rndis_request_) mylist_entry;
struct sema wait_sema;
/*
* 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
*/
rndis_msg response_msg;
/* Simplify allocation by having a netvsc packet inline */
netvsc_packet pkt;
hv_vmbus_page_buffer buffer;
/* Fixme: We assumed a fixed size request here. */
rndis_msg request_msg;
/* Fixme: Poor man's semaphore. */
uint32_t halt_complete_flag;
} rndis_request;
typedef struct rndis_device_ {
netvsc_dev *net_dev;
rndis_device_state state;
uint32_t link_status;
uint32_t new_request_id;
struct mtx req_lock;
STAILQ_HEAD(RQ, rndis_request_) myrequest_list;
uint8_t hw_mac_addr[HW_MACADDR_LEN];
} rndis_device;
typedef struct rndis_filter_packet_ {
void *completion_context;
/* No longer used */
pfn_on_send_rx_completion on_completion;
rndis_msg message;
} rndis_filter_packet;
/*
* Externs
*/
extern int hv_rf_on_receive(struct hv_device *device, netvsc_packet *pkt);
extern int hv_rf_on_device_add(struct hv_device *device, void *additl_info);
extern int hv_rf_on_device_remove(struct hv_device *device,
boolean_t destroy_channel);
extern int hv_rf_on_open(struct hv_device *device);
extern int hv_rf_on_close(struct hv_device *device);
extern int hv_rf_on_send(struct hv_device *device, netvsc_packet *pkt);
#endif /* __HV_RNDIS_FILTER_H__ */
|
