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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/*
* IDD_MSG.C - message handling code
*/
#include <ndis.h>
#include <mydefs.h>
#include <mytypes.h>
#include <disp.h>
#include <util.h>
#include <opcodes.h>
#include <idd.h>
/* send a message down a port. only really queues message for transmittion */
INT
idd_send_msg(VOID *idd_1, IDD_MSG *msg, USHORT port, VOID (*handler)(), VOID *handler_arg)
{
IDD *idd = (IDD*)idd_1;
INT ret = IDD_E_SUCC;
IDD_SENDQ *sq;
D_LOG((D_ENTRY|DIGIIDD), ("idd_send_msg: entry, idd: 0x%lx, msg: 0x%lx\n",
idd, msg));
D_LOG((D_ENTRY|DIGIIDD), ("idd_send_msg: port: %u, handler: 0x%lx, handler_arg: 0x%lx\n", \
port, handler, handler_arg));
D_LOG((D_ENTRY|DIGIIDD), ("idd_send_msg: opcode: 0x%x, buflen: 0x%x, bufptr: 0x%lx\n", \
msg->opcode, msg->buflen, msg->bufptr));
D_LOG((D_ENTRY|DIGIIDD), ("idd_send_msg: bufid: 0x%x, param: 0x%x\n", \
msg->bufid, msg->param));
/* check port */
if ( port >= IDD_TX_PORTS )
{
D_LOG(DIGIIDD, ("idd_send_msg: invalid port!\n"));
return(IDD_E_BADPORT);
}
sq = idd->sendq + port;
/* lock port queue */
NdisAcquireSpinLock(&sq->lock);
/* check for space */
if ( sq->num >= sq->max )
{
DbgPrint("sq->num: %d, sq->max: %d\n", sq->num, sq->max);
ret = IDD_E_NOROOM;
}
else
{
D_LOG( DIGITXFRAGDATA, ("Sending Frag:\n") );
DigiDumpData( DIGITXFRAGDATA, msg->bufptr, (msg->buflen & H_TX_LEN_MASK) );
/* space avail, fill in entry */
sq->tbl[sq->put].msg = *msg;
sq->tbl[sq->put].handler = handler;
sq->tbl[sq->put].handler_arg = handler_arg;
/* update queue vars */
if ( (sq->put += 1) >= sq->max )
sq->put = 0;
sq->num++;
}
/* release lock */
NdisReleaseSpinLock(&sq->lock);
// /* (maybe) trigger processing */
// if ( ret == IDD_E_SUCC )
// idd_process(idd, 1);
if (ret == IDD_E_SUCC)
idd->PollTx(idd);
/* return here */
D_LOG(D_EXIT, ("idd_send_msg: exit, ret=0x%x\n", ret));
return(ret);
} // end idd_send_msg
/* attach a user handler to a port */
//
INT
idd_attach(VOID *idd_1, USHORT port, VOID (*handler)(), VOID *handler_arg)
{
INT ret = IDD_E_SUCC;
IDD_RECIT *rt;
IDD *idd = (IDD*)idd_1;
D_LOG(D_ENTRY, ("idd_attach: entry, idd: 0x%lx\n", idd));
D_LOG(D_ENTRY, ("idd_attach: port: %u, handler: 0x%lx, handler_arg: 0x%lx", \
port, handler, handler_arg));
/* check port */
if ( port >= IDD_RX_PORTS )
{
D_LOG((DIGIIDD|DIGIINIT), ("idd_attach: invalid port!\n"));
return(IDD_E_BADPORT);
}
rt = idd->recit + port;
/* lock port table */
NdisAcquireSpinLock(&rt->lock);
/* check for space */
if ( rt->num >= rt->max )
ret = IDD_E_NOROOM;
else
{
/* space avail, fill in entry */
rt->tbl[rt->num].handler = handler;
rt->tbl[rt->num].handler_arg = handler_arg;
/* update table vars */
rt->num++;
}
/* release lock */
NdisReleaseSpinLock(&rt->lock);
/* return here */
D_LOG(D_EXIT, ("idd_attach: exit, ret=0x%x\n", ret));
return(ret);
}
/* detach a user handler to a port */
INT
idd_detach(VOID *idd_1, USHORT port, VOID (*handler)(), VOID *handler_arg)
{
INT ret = IDD_E_SUCC;
IDD_RECIT *rt;
INT n;
IDD *idd = (IDD*)idd_1;
D_LOG(D_ENTRY, ("idd_detach: entry, idd: 0x%lx\n", idd));
D_LOG(D_ENTRY, ("idd_detach: port: %u, handler: 0x%lx, handler_arg: 0x%lx", \
port, handler, handler_arg));
/* check port */
if ( port >= IDD_RX_PORTS )
{
D_LOG(DIGIIDD, ("idd_detach: invalid port!\n"));
return(IDD_E_BADPORT);
}
rt = idd->recit + port;
/* lock port table */
NdisAcquireSpinLock(&rt->lock);
/* scan table for handler/handler_arg */
for ( n = 0 ; n < rt->num ; n++ )
if ( (rt->tbl[n].handler == handler) && (rt->tbl[n].handler_arg == handler_arg) )
break;
if ( n >= rt->num )
ret = IDD_E_NOSUCH;
else
{
/* found, shrink table */
NdisMoveMemory(rt->tbl + n, rt->tbl + n + 1, sizeof(rt->tbl[0]) * (rt->num - n - 1));
rt->num--;
}
/* release lock */
NdisReleaseSpinLock(&rt->lock);
/* return here */
D_LOG(D_EXIT, ("idd_detach: exit, ret=0x%x\n", ret));
return(ret);
}
|
