blob: 105f3f21bdea7864d481d4e33954dbec90b8690b (
plain) (
blame)
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
|
// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
******************************************************************************/
#define _OSDEP_SERVICE_C_
#include <osdep_service.h>
#include <osdep_intf.h>
#include <drv_types.h>
#include <recv_osdep.h>
#include <linux/vmalloc.h>
#include <rtw_ioctl_set.h>
u8 *_rtw_malloc(u32 sz)
{
return kmalloc(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
}
void _rtw_init_queue(struct __queue *pqueue)
{
INIT_LIST_HEAD(&pqueue->queue);
spin_lock_init(&pqueue->lock);
}
struct net_device *rtw_alloc_etherdev_with_old_priv(void *old_priv)
{
struct net_device *pnetdev;
struct rtw_netdev_priv_indicator *pnpi;
pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
if (!pnetdev)
goto RETURN;
pnpi = netdev_priv(pnetdev);
pnpi->priv = old_priv;
RETURN:
return pnetdev;
}
void rtw_free_netdev(struct net_device *netdev)
{
struct rtw_netdev_priv_indicator *pnpi;
if (!netdev)
goto RETURN;
pnpi = netdev_priv(netdev);
if (!pnpi->priv)
goto RETURN;
vfree(pnpi->priv);
free_netdev(netdev);
RETURN:
return;
}
u64 rtw_modular64(u64 x, u64 y)
{
return do_div(x, y);
}
void rtw_buf_free(u8 **buf, u32 *buf_len)
{
*buf_len = 0;
kfree(*buf);
*buf = NULL;
}
void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
{
u32 dup_len = 0;
u8 *ori = NULL;
u8 *dup = NULL;
if (!buf || !buf_len)
return;
if (!src || !src_len)
goto keep_ori;
/* duplicate src */
dup = rtw_malloc(src_len);
if (dup) {
dup_len = src_len;
memcpy(dup, src, dup_len);
}
keep_ori:
ori = *buf;
/* replace buf with dup */
*buf_len = 0;
*buf = dup;
*buf_len = dup_len;
/* free ori */
kfree(ori);
}
|
