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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
|
/*
* D-MEM supporting module for RTL8190 802.11N wireless NIC on RTL865x platform
*
* $Id: 8192cd_dmem.c,v 1.2 2010/01/19 06:04:03 jimmylin Exp $
*
* Copyright (c) 2009 Realtek Semiconductor Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifdef __ECOS
#include <cyg/io/eth/rltk/819x/wrapper/sys_support.h>
#include <cyg/io/eth/rltk/819x/wrapper/skbuff.h>
#include <cyg/io/eth/rltk/819x/wrapper/timer.h>
#include <cyg/io/eth/rltk/819x/wrapper/wrapper.h>
#endif
#ifndef _8192CD_DMEM_C_
#define _8192CD_DMEM_C_
#include "./8192cd.h"
//#include "./8190n_fastExtDev.h"
#include "./8192cd_cfg.h"
#ifdef RTL8192CD_VARIABLE_USED_DMEM
#include "./8192cd_dmem.h"
#define RTL8192CD_MAX_SPEEDUP_STA 2
#define RTL8192CD_SPEEDUP_PRIV_COUNT 1
/* ========================== All variables using D-MEM ========================== */
static void rtl8192cd_dmem_AID_OBJ_init(void);
static void *rtl8192cd_dmem_AID_OBJ_alloc(void *miscInfo);
static void rtl8192cd_dmem_AID_OBJ_free(void *miscInfo);
static void rtl8192cd_dmem_pmib_init(void);
static void *rtl8192cd_dmem_pmib_alloc(void *miscInfo);
static void rtl8192cd_dmem_pmib_free(void *miscInfo);
#ifdef PRIV_STA_BUF
extern struct aid_obj *alloc_sta_obj(struct rtl8192cd_priv*);
extern void free_sta_obj(struct rtl8192cd_priv *priv, struct aid_obj *obj);
#endif
static _rtl8192cd_dmem_callBack_t _8192cd_dmem_callBack_list[] =
{
/* ID Init CallBack Allocate CallBack Free CallBack */
{ AID_OBJ, rtl8192cd_dmem_AID_OBJ_init, rtl8192cd_dmem_AID_OBJ_alloc, rtl8192cd_dmem_AID_OBJ_free},
{ PMIB, rtl8192cd_dmem_pmib_init, rtl8192cd_dmem_pmib_alloc, rtl8192cd_dmem_pmib_free},
/* ==================================================================== */
{ _RTL8192CD_DMEM_ITEM_MAX, NULL, NULL},
};
/* ========================== External APIs of D-MEM module ========================== */
/*
Initiation function for DMEM library
*/
void rtl8192cd_dmem_init( void )
{
_rtl8192cd_dmem_callBack_t *ptr;
ptr = &_8192cd_dmem_callBack_list[0];
while ( (ptr->id > _RTL8192CD_DMEM_ITEM_MIN) &&
(ptr->id < _RTL8192CD_DMEM_ITEM_MAX))
{
/* Call the Callback function to decide the memory of allocated */
if (ptr->initCallBackFunc)
{
((_dummyFunc_void_void)(ptr->initCallBackFunc))();
}
/* Next Entry */
ptr ++;
}
}
void *rtl8192cd_dmem_alloc( enum _RTL8192CD_DMEM_ITEM_ID id, void *miscInfo )
{
void *retval;
_rtl8192cd_dmem_callBack_t *ptr;
retval = NULL;
if ( (id <= _RTL8192CD_DMEM_ITEM_MIN) ||
(id >= _RTL8192CD_DMEM_ITEM_MAX))
{
printk("%s %d : ERROR (%d)\n", __FUNCTION__, __LINE__, id);
goto out;
}
ptr = &_8192cd_dmem_callBack_list[0];
while ( ptr->allcateCallBackFunc )
{
if ( ptr->id == id )
{
/* Call the Callback function to decide the memory of allocated */
retval = ((_dummyFunc_voidStar_voidStar)(ptr->allcateCallBackFunc))(miscInfo);
goto out;
}
/* Next Entry */
ptr ++;
}
out:
return retval;
}
void rtl8192cd_dmem_free( enum _RTL8192CD_DMEM_ITEM_ID id, void *miscInfo )
{
_rtl8192cd_dmem_callBack_t *ptr;
if ( (id <= _RTL8192CD_DMEM_ITEM_MIN) ||
(id >= _RTL8192CD_DMEM_ITEM_MAX))
{
printk("%s %d : ERROR (%d)\n", __FUNCTION__, __LINE__, id);
goto out;
}
ptr = &_8192cd_dmem_callBack_list[0];
while ( ptr->freeCallBackFunc )
{
if ( ptr->id == id )
{
/* Call the Callback function to decide the memory of allocated */
((_dummyFunc_void_voidStar)(ptr->freeCallBackFunc))(miscInfo);
goto out;
}
/* Next Entry */
ptr ++;
}
out:
return;
}
/* ========================== Internal APIs for per-variable of D-MEM module ========================== */
/* ==============================================
*
* AID_OBJ
*
*
* ============================================== */
__DRAM_IN_865X struct aid_obj _rtl8192cd_aid_Array[RTL8192CD_MAX_SPEEDUP_STA];
void *_rtl8192cd_aid_externalMem_Array[NUM_STAT];
static void rtl8192cd_dmem_AID_OBJ_init(void)
{
memset(_rtl8192cd_aid_Array, 0, sizeof(struct aid_obj) * RTL8192CD_MAX_SPEEDUP_STA);
memset(_rtl8192cd_aid_externalMem_Array, 0, sizeof(_rtl8192cd_aid_externalMem_Array));
}
static void *rtl8192cd_dmem_AID_OBJ_alloc(void *miscInfo)
{
/* For AID_OBJ : miscInfo would be [unsigned int *] to decision the index of aidarray to allocate */
unsigned int index = *((unsigned int*)miscInfo);
if ( (index < 0) ||
(index >= NUM_STAT))
{
printk("%s %d : ERROR ( Index : %d )\n", __FUNCTION__, __LINE__, index);
return NULL;
}
/* Allocate from external memory */
if ( index >= RTL8192CD_MAX_SPEEDUP_STA )
{
#ifdef PRIV_STA_BUF
_rtl8192cd_aid_externalMem_Array[index] = alloc_sta_obj(NULL);
#else
_rtl8192cd_aid_externalMem_Array[index] = kmalloc(sizeof(struct aid_obj), GFP_ATOMIC);
#endif
if (_rtl8192cd_aid_externalMem_Array[index] == NULL)
{
printk("%s %d : Error : Allocation FAILED!\n", __FUNCTION__, __LINE__);
return NULL;
}
return _rtl8192cd_aid_externalMem_Array[index];
}
memset(&(_rtl8192cd_aid_Array[index]), 0, sizeof(struct aid_obj));
return (void*)(&(_rtl8192cd_aid_Array[index]));
}
static void rtl8192cd_dmem_AID_OBJ_free(void *miscInfo)
{
/* For AID_OBJ : miscInfo would be [unsigned int *] to decision the index of aidarray to free */
unsigned int index = *((unsigned int*)miscInfo);
if ( (index < 0) ||
(index >= NUM_STAT))
{
printk("%s %d : ERROR ( Index : %d )\n", __FUNCTION__, __LINE__, index);
return;
}
/* Free memory to external memory module */
if ( index >= RTL8192CD_MAX_SPEEDUP_STA )
{
if ( _rtl8192cd_aid_externalMem_Array[index] )
{
#ifdef PRIV_STA_BUF
free_sta_obj(NULL, _rtl8192cd_aid_externalMem_Array[index]);
#else
kfree(_rtl8192cd_aid_externalMem_Array[index]);
#endif
_rtl8192cd_aid_externalMem_Array[index] = NULL;
}
return;
}
memset(&(_rtl8192cd_aid_Array[index]), 0, sizeof(struct aid_obj));
}
/* =================== The following variable are mapped to PRIV =================== */
/* ==============================================
*
* PMIB
*
*
* ============================================== */
__DRAM_IN_865X struct wifi_mib _rtl8192cd_pmib[RTL8192CD_SPEEDUP_PRIV_COUNT];
int _rtl8192cd_pmib_usageMap[RTL8192CD_SPEEDUP_PRIV_COUNT];
static void rtl8192cd_dmem_pmib_init(void)
{
memset(_rtl8192cd_pmib_usageMap, 0, sizeof(int) * RTL8192CD_SPEEDUP_PRIV_COUNT);
memset(_rtl8192cd_pmib, 0, sizeof(struct wifi_mib) * RTL8192CD_SPEEDUP_PRIV_COUNT);
}
static void *rtl8192cd_dmem_pmib_alloc(void *miscInfo)
{
int idx ;
/* miscInfo is useless */
for ( idx = 0 ; idx < RTL8192CD_SPEEDUP_PRIV_COUNT ; idx ++ )
{
if ( _rtl8192cd_pmib_usageMap[idx] == 0 )
{ /* Unused entry : use it */
_rtl8192cd_pmib_usageMap[idx] = 1;
memset(&(_rtl8192cd_pmib[idx]), 0, sizeof(struct wifi_mib));
return &(_rtl8192cd_pmib[idx]);
}
}
/* Allocate from externel memory if speedup PMIB is exhausted */
return kmalloc(sizeof(struct wifi_mib), GFP_ATOMIC);
}
static void rtl8192cd_dmem_pmib_free(void *miscInfo)
{
int idx;
/* miscInfo is pointed to the address of PMIB to free */
/* Free PMIB if it is speeded up by DMEM */
for ( idx = 0 ; idx < RTL8192CD_SPEEDUP_PRIV_COUNT ; idx ++ )
{
if ( (unsigned long)(&(_rtl8192cd_pmib[idx])) == (unsigned long)miscInfo )
{ /* Entry is found : free it */
memset(&(_rtl8192cd_pmib[idx]), 0, sizeof(struct wifi_mib));
_rtl8192cd_pmib_usageMap[idx] = 0;
return;
}
}
/* It would be allocated from external memory: kfree it */
kfree(miscInfo);
}
#endif // RTL8192CD_VARIABLE_USED_DMEM
#endif
|