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 "0.15rc3"
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
33struct header_struct {
34 /* 802.3 */
35 u8 dest[ETH_ALEN];
36 u8 src[ETH_ALEN];
37 __be16 len;
38 /* 802.2 */
39 u8 dsap;
40 u8 ssap;
41 u8 ctrl;
42 /* SNAP */
43 u8 oui[3];
44 unsigned short ethertype;
45} __attribute__ ((packed));
46
47typedef enum {
48 FIRMWARE_TYPE_AGERE,
49 FIRMWARE_TYPE_INTERSIL,
50 FIRMWARE_TYPE_SYMBOL
51} fwtype_t;
52
53struct orinoco_private {
54 void *card; /* Pointer to card dependent structure */
55 int (*hard_reset)(struct orinoco_private *);
56
57 /* Synchronisation stuff */
58 spinlock_t lock;
59 int hw_unavailable;
60 struct work_struct reset_work;
61
62 /* driver state */
63 int open;
64 u16 last_linkstatus;
65 struct work_struct join_work;
66 struct work_struct wevent_work;
67
68 /* Net device stuff */
69 struct net_device *ndev;
70 struct net_device_stats stats;
71 struct iw_statistics wstats;
72
73 /* Hardware control variables */
74 hermes_t hw;
75 u16 txfid;
76
77 /* Capabilities of the hardware/firmware */
78 fwtype_t firmware_type;
79 char fw_name[32];
80 int ibss_port;
81 int nicbuf_size;
82 u16 channel_mask;
83
84 /* Boolean capabilities */
85 unsigned int has_ibss:1;
86 unsigned int has_port3:1;
87 unsigned int has_wep:1;
88 unsigned int has_big_wep:1;
89 unsigned int has_mwo:1;
90 unsigned int has_pm:1;
91 unsigned int has_preamble:1;
92 unsigned int has_sensitivity:1;
93 unsigned int has_hostscan:1;
94 unsigned int broken_disableport:1;
95 unsigned int broken_monitor:1;
96
97 /* Configuration paramaters */
98 u32 iw_mode;
99 int prefer_port3;
100 u16 wep_on, wep_restrict, tx_key;
101 struct orinoco_key keys[ORINOCO_MAX_KEYS];
102 int bitratemode;
103 char nick[IW_ESSID_MAX_SIZE+1];
104 char desired_essid[IW_ESSID_MAX_SIZE+1];
105 char desired_bssid[ETH_ALEN];
106 int bssid_fixed;
107 u16 frag_thresh, mwo_robust;
108 u16 channel;
109 u16 ap_density, rts_thresh;
110 u16 pm_on, pm_mcast, pm_period, pm_timeout;
111 u16 preamble;
112#ifdef WIRELESS_SPY
113 struct iw_spy_data spy_data; /* iwspy support */
114 struct iw_public_data wireless_data;
115#endif
116
117 /* Configuration dependent variables */
118 int port_type, createibss;
119 int promiscuous, mc_count;
120
121 /* Scanning support */
122 int scan_inprogress; /* Scan pending... */
123 u32 scan_mode; /* Type of scan done */
124 char * scan_result; /* Result of previous scan */
125 int scan_len; /* Lenght of result */
126};
127
128#ifdef ORINOCO_DEBUG
129extern int orinoco_debug;
130#define DEBUG(n, args...) do { if (orinoco_debug>(n)) printk(KERN_DEBUG args); } while(0)
131#else
132#define DEBUG(n, args...) do { } while (0)
133#endif /* ORINOCO_DEBUG */
134
135#define TRACE_ENTER(devname) DEBUG(2, "%s: -> %s()\n", devname, __FUNCTION__);
136#define TRACE_EXIT(devname) DEBUG(2, "%s: <- %s()\n", devname, __FUNCTION__);
137
138/********************************************************************/
139/* Exported prototypes */
140/********************************************************************/
141
142extern struct net_device *alloc_orinocodev(int sizeof_card,
143 int (*hard_reset)(struct orinoco_private *));
144extern void free_orinocodev(struct net_device *dev);
145extern int __orinoco_up(struct net_device *dev);
146extern int __orinoco_down(struct net_device *dev);
147extern int orinoco_reinit_firmware(struct net_device *dev);
148extern irqreturn_t orinoco_interrupt(int irq, void * dev_id, struct pt_regs *regs);
149
150/********************************************************************/
151/* Locking and synchronization functions */
152/********************************************************************/
153
154/* These functions *must* be inline or they will break horribly on
155 * SPARC, due to its weird semantics for save/restore flags. extern
156 * inline should prevent the kernel from linking or module from
157 * loading if they are not inlined. */
158extern inline int orinoco_lock(struct orinoco_private *priv,
159 unsigned long *flags)
160{
161 spin_lock_irqsave(&priv->lock, *flags);
162 if (priv->hw_unavailable) {
163 DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
164 priv->ndev);
165 spin_unlock_irqrestore(&priv->lock, *flags);
166 return -EBUSY;
167 }
168 return 0;
169}
170
171extern inline void orinoco_unlock(struct orinoco_private *priv,
172 unsigned long *flags)
173{
174 spin_unlock_irqrestore(&priv->lock, *flags);
175}
176
177#endif /* _ORINOCO_H */