tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* orinoco.h
2 *
3 * Common definitions to all pieces of the various orinoco
4 * drivers
5 */
6
7#ifndef _ORINOCO_H
8#define _ORINOCO_H
9
10#define DRIVER_VERSION "0.15"
11
12#include <linux/netdevice.h>
13#include <linux/wireless.h>
14#include <net/iw_handler.h>
15
16#include "hermes.h"
17
18/* To enable debug messages */
19//#define ORINOCO_DEBUG 3
20
21#define WIRELESS_SPY // enable iwspy support
22
23#define MAX_SCAN_LEN 4096
24
25#define ORINOCO_MAX_KEY_SIZE 14
26#define ORINOCO_MAX_KEYS 4
27
28struct orinoco_key {
29 __le16 len; /* always stored as little-endian */
30 char data[ORINOCO_MAX_KEY_SIZE];
31} __attribute__ ((packed));
32
33typedef enum {
34 FIRMWARE_TYPE_AGERE,
35 FIRMWARE_TYPE_INTERSIL,
36 FIRMWARE_TYPE_SYMBOL
37} fwtype_t;
38
39typedef struct {
40 union hermes_scan_info bss;
41 unsigned long last_scanned;
42 struct list_head list;
43} bss_element;
44
45struct orinoco_private {
46 void *card; /* Pointer to card dependent structure */
47 int (*hard_reset)(struct orinoco_private *);
48
49 /* Synchronisation stuff */
50 spinlock_t lock;
51 int hw_unavailable;
52 struct work_struct reset_work;
53
54 /* driver state */
55 int open;
56 u16 last_linkstatus;
57 struct work_struct join_work;
58 struct work_struct wevent_work;
59
60 /* Net device stuff */
61 struct net_device *ndev;
62 struct net_device_stats stats;
63 struct iw_statistics wstats;
64
65 /* Hardware control variables */
66 hermes_t hw;
67 u16 txfid;
68
69 /* Capabilities of the hardware/firmware */
70 fwtype_t firmware_type;
71 char fw_name[32];
72 int ibss_port;
73 int nicbuf_size;
74 u16 channel_mask;
75
76 /* Boolean capabilities */
77 unsigned int has_ibss:1;
78 unsigned int has_port3:1;
79 unsigned int has_wep:1;
80 unsigned int has_big_wep:1;
81 unsigned int has_mwo:1;
82 unsigned int has_pm:1;
83 unsigned int has_preamble:1;
84 unsigned int has_sensitivity:1;
85 unsigned int has_hostscan:1;
86 unsigned int broken_disableport:1;
87 unsigned int broken_monitor:1;
88
89 /* Configuration paramaters */
90 u32 iw_mode;
91 int prefer_port3;
92 u16 wep_on, wep_restrict, tx_key;
93 struct orinoco_key keys[ORINOCO_MAX_KEYS];
94 int bitratemode;
95 char nick[IW_ESSID_MAX_SIZE+1];
96 char desired_essid[IW_ESSID_MAX_SIZE+1];
97 char desired_bssid[ETH_ALEN];
98 int bssid_fixed;
99 u16 frag_thresh, mwo_robust;
100 u16 channel;
101 u16 ap_density, rts_thresh;
102 u16 pm_on, pm_mcast, pm_period, pm_timeout;
103 u16 preamble;
104#ifdef WIRELESS_SPY
105 struct iw_spy_data spy_data; /* iwspy support */
106 struct iw_public_data wireless_data;
107#endif
108
109 /* Configuration dependent variables */
110 int port_type, createibss;
111 int promiscuous, mc_count;
112
113 /* Scanning support */
114 struct list_head bss_list;
115 struct list_head bss_free_list;
116 bss_element *bss_data;
117
118 int scan_inprogress; /* Scan pending... */
119 u32 scan_mode; /* Type of scan done */
120};
121
122#ifdef ORINOCO_DEBUG
123extern int orinoco_debug;
124#define DEBUG(n, args...) do { if (orinoco_debug>(n)) printk(KERN_DEBUG args); } while(0)
125#else
126#define DEBUG(n, args...) do { } while (0)
127#endif /* ORINOCO_DEBUG */
128
129/********************************************************************/
130/* Exported prototypes */
131/********************************************************************/
132
133extern struct net_device *alloc_orinocodev(int sizeof_card,
134 int (*hard_reset)(struct orinoco_private *));
135extern void free_orinocodev(struct net_device *dev);
136extern int __orinoco_up(struct net_device *dev);
137extern int __orinoco_down(struct net_device *dev);
138extern int orinoco_reinit_firmware(struct net_device *dev);
139extern irqreturn_t orinoco_interrupt(int irq, void * dev_id);
140
141/********************************************************************/
142/* Locking and synchronization functions */
143/********************************************************************/
144
145static inline int orinoco_lock(struct orinoco_private *priv,
146 unsigned long *flags)
147{
148 spin_lock_irqsave(&priv->lock, *flags);
149 if (priv->hw_unavailable) {
150 DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
151 priv->ndev);
152 spin_unlock_irqrestore(&priv->lock, *flags);
153 return -EBUSY;
154 }
155 return 0;
156}
157
158static inline void orinoco_unlock(struct orinoco_private *priv,
159 unsigned long *flags)
160{
161 spin_unlock_irqrestore(&priv->lock, *flags);
162}
163
164#endif /* _ORINOCO_H */