1 /******************************************************************************
2  *
3  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that 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
12  * more details.
13  *
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.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17  *
18  *
19  ******************************************************************************/
20 #ifndef __OSDEP_SERVICE_H_
21 #define __OSDEP_SERVICE_H_
22 
23 #include <basic_types.h>
24 
25 #define _FAIL		0
26 #define _SUCCESS	1
27 #define RTW_RX_HANDLED	2
28 
29 #include <linux/spinlock.h>
30 #include <linux/compiler.h>
31 #include <linux/kernel.h>
32 #include <linux/errno.h>
33 #include <linux/slab.h>
34 #include <linux/module.h>
35 #include <linux/kref.h>
36 #include <linux/netdevice.h>
37 #include <linux/skbuff.h>
38 #include <linux/circ_buf.h>
39 #include <linux/uaccess.h>
40 #include <asm/byteorder.h>
41 #include <linux/atomic.h>
42 #include <linux/io.h>
43 #include <linux/semaphore.h>
44 #include <linux/sem.h>
45 #include <linux/sched.h>
46 #include <linux/etherdevice.h>
47 #include <linux/wireless.h>
48 #include <net/iw_handler.h>
49 #include <linux/if_arp.h>
50 #include <linux/rtnetlink.h>
51 #include <linux/delay.h>
52 #include <linux/proc_fs.h>	/*  Necessary because we use the proc fs */
53 #include <linux/interrupt.h>	/*  for struct tasklet_struct */
54 #include <linux/ip.h>
55 #include <linux/kthread.h>
56 
57 #include <linux/usb.h>
58 #include <linux/usb/ch9.h>
59 
60 struct	__queue	{
61 	struct	list_head	queue;
62 	spinlock_t lock;
63 };
64 
get_list_head(struct __queue * queue)65 static inline struct list_head *get_list_head(struct __queue *queue)
66 {
67 	return &(queue->queue);
68 }
69 
_enter_critical_mutex(struct mutex * pmutex,unsigned long * pirqL)70 static inline int _enter_critical_mutex(struct mutex *pmutex,
71 					unsigned long *pirqL)
72 {
73 	int ret;
74 
75 	ret = mutex_lock_interruptible(pmutex);
76 	return ret;
77 }
78 
rtw_netif_queue_stopped(struct net_device * pnetdev)79 static inline int rtw_netif_queue_stopped(struct net_device *pnetdev)
80 {
81 	return  netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 0)) &&
82 		netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 1)) &&
83 		netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 2)) &&
84 		netif_tx_queue_stopped(netdev_get_tx_queue(pnetdev, 3));
85 }
86 
87 
88 #define BIT0	0x00000001
89 #define BIT1	0x00000002
90 #define BIT2	0x00000004
91 #define BIT3	0x00000008
92 #define BIT4	0x00000010
93 #define BIT5	0x00000020
94 #define BIT6	0x00000040
95 #define BIT7	0x00000080
96 #define BIT8	0x00000100
97 #define BIT9	0x00000200
98 #define BIT10	0x00000400
99 #define BIT11	0x00000800
100 #define BIT12	0x00001000
101 #define BIT13	0x00002000
102 #define BIT14	0x00004000
103 #define BIT15	0x00008000
104 #define BIT16	0x00010000
105 #define BIT17	0x00020000
106 #define BIT18	0x00040000
107 #define BIT19	0x00080000
108 #define BIT20	0x00100000
109 #define BIT21	0x00200000
110 #define BIT22	0x00400000
111 #define BIT23	0x00800000
112 #define BIT24	0x01000000
113 #define BIT25	0x02000000
114 #define BIT26	0x04000000
115 #define BIT27	0x08000000
116 #define BIT28	0x10000000
117 #define BIT29	0x20000000
118 #define BIT30	0x40000000
119 #define BIT31	0x80000000
120 #define BIT32	0x0100000000
121 #define BIT33	0x0200000000
122 #define BIT34	0x0400000000
123 #define BIT35	0x0800000000
124 #define BIT36	0x1000000000
125 
126 extern int RTW_STATUS_CODE(int error_code);
127 
128 #define rtw_update_mem_stat(flag, sz) do {} while (0)
129 u8 *_rtw_malloc(u32 sz);
130 #define rtw_malloc(sz)			_rtw_malloc((sz))
131 
132 void *rtw_malloc2d(int h, int w, int size);
133 
134 u32  _rtw_down_sema(struct semaphore *sema);
135 
136 void _rtw_init_queue(struct __queue *pqueue);
137 
138 s32  rtw_get_passing_time_ms(u32 start);
139 
140 struct rtw_netdev_priv_indicator {
141 	void *priv;
142 	u32 sizeof_priv;
143 };
144 struct net_device *rtw_alloc_etherdev_with_old_priv(int sizeof_priv,
145 						    void *old_priv);
146 
147 #define rtw_netdev_priv(netdev)					\
148 	(((struct rtw_netdev_priv_indicator *)netdev_priv(netdev))->priv)
149 void rtw_free_netdev(struct net_device *netdev);
150 
151 #define NDEV_FMT "%s"
152 #define NDEV_ARG(ndev) ndev->name
153 #define ADPT_FMT "%s"
154 #define ADPT_ARG(adapter) adapter->pnetdev->name
155 #define FUNC_NDEV_FMT "%s(%s)"
156 #define FUNC_NDEV_ARG(ndev) __func__, ndev->name
157 #define FUNC_ADPT_FMT "%s(%s)"
158 #define FUNC_ADPT_ARG(adapter) __func__, adapter->pnetdev->name
159 
160 #define rtw_signal_process(pid, sig) kill_pid(find_vpid((pid)), (sig), 1)
161 
162 u64 rtw_modular64(u64 x, u64 y);
163 
164 /* Macros for handling unaligned memory accesses */
165 
166 #define RTW_GET_BE24(a) ((((u32)(a)[0]) << 16) | (((u32) (a)[1]) << 8) | \
167 			 ((u32)(a)[2]))
168 
169 void rtw_buf_free(u8 **buf, u32 *buf_len);
170 void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len);
171 #endif
172