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/interrupt.h>
13#include <linux/suspend.h>
14#include <linux/netdevice.h>
15#include <linux/wireless.h>
16#include <net/iw_handler.h>
17#include <net/cfg80211.h>
18
19#include "hermes.h"
20
21/* To enable debug messages */
22/*#define ORINOCO_DEBUG 3*/
23
24#define WIRELESS_SPY /* enable iwspy support */
25
26#define MAX_SCAN_LEN 4096
27
28#define ORINOCO_SEQ_LEN 8
29#define ORINOCO_MAX_KEY_SIZE 14
30#define ORINOCO_MAX_KEYS 4
31
32struct orinoco_key {
33 __le16 len; /* always stored as little-endian */
34 char data[ORINOCO_MAX_KEY_SIZE];
35} __attribute__ ((packed));
36
37#define TKIP_KEYLEN 16
38#define MIC_KEYLEN 8
39
40struct orinoco_tkip_key {
41 u8 tkip[TKIP_KEYLEN];
42 u8 tx_mic[MIC_KEYLEN];
43 u8 rx_mic[MIC_KEYLEN];
44};
45
46enum orinoco_alg {
47 ORINOCO_ALG_NONE,
48 ORINOCO_ALG_WEP,
49 ORINOCO_ALG_TKIP
50};
51
52typedef enum {
53 FIRMWARE_TYPE_AGERE,
54 FIRMWARE_TYPE_INTERSIL,
55 FIRMWARE_TYPE_SYMBOL
56} fwtype_t;
57
58struct firmware;
59
60struct orinoco_private {
61 void *card; /* Pointer to card dependent structure */
62 struct device *dev;
63 int (*hard_reset)(struct orinoco_private *);
64 int (*stop_fw)(struct orinoco_private *, int);
65
66 struct ieee80211_supported_band band;
67 struct ieee80211_channel channels[14];
68 u32 cipher_suites[3];
69
70 /* Synchronisation stuff */
71 spinlock_t lock;
72 int hw_unavailable;
73 struct work_struct reset_work;
74
75 /* Interrupt tasklets */
76 struct tasklet_struct rx_tasklet;
77 struct list_head rx_list;
78
79 /* driver state */
80 int open;
81 u16 last_linkstatus;
82 struct work_struct join_work;
83 struct work_struct wevent_work;
84
85 /* Net device stuff */
86 struct net_device *ndev;
87 struct net_device_stats stats;
88 struct iw_statistics wstats;
89
90 /* Hardware control variables */
91 hermes_t hw;
92 u16 txfid;
93
94 /* Capabilities of the hardware/firmware */
95 fwtype_t firmware_type;
96 int ibss_port;
97 int nicbuf_size;
98 u16 channel_mask;
99
100 /* Boolean capabilities */
101 unsigned int has_ibss:1;
102 unsigned int has_port3:1;
103 unsigned int has_wep:1;
104 unsigned int has_big_wep:1;
105 unsigned int has_mwo:1;
106 unsigned int has_pm:1;
107 unsigned int has_preamble:1;
108 unsigned int has_sensitivity:1;
109 unsigned int has_hostscan:1;
110 unsigned int has_alt_txcntl:1;
111 unsigned int has_ext_scan:1;
112 unsigned int has_wpa:1;
113 unsigned int do_fw_download:1;
114 unsigned int broken_disableport:1;
115 unsigned int broken_monitor:1;
116 unsigned int prefer_port3:1;
117
118 /* Configuration paramaters */
119 enum nl80211_iftype iw_mode;
120 enum orinoco_alg encode_alg;
121 u16 wep_restrict, tx_key;
122 struct key_params keys[ORINOCO_MAX_KEYS];
123
124 int bitratemode;
125 char nick[IW_ESSID_MAX_SIZE+1];
126 char desired_essid[IW_ESSID_MAX_SIZE+1];
127 char desired_bssid[ETH_ALEN];
128 int bssid_fixed;
129 u16 frag_thresh, mwo_robust;
130 u16 channel;
131 u16 ap_density, rts_thresh;
132 u16 pm_on, pm_mcast, pm_period, pm_timeout;
133 u16 preamble;
134#ifdef WIRELESS_SPY
135 struct iw_spy_data spy_data; /* iwspy support */
136 struct iw_public_data wireless_data;
137#endif
138
139 /* Configuration dependent variables */
140 int port_type, createibss;
141 int promiscuous, mc_count;
142
143 /* Scanning support */
144 struct cfg80211_scan_request *scan_request;
145 struct work_struct process_scan;
146 struct list_head scan_list;
147 spinlock_t scan_lock; /* protects the scan list */
148
149 /* WPA support */
150 u8 *wpa_ie;
151 int wpa_ie_len;
152
153 struct crypto_hash *rx_tfm_mic;
154 struct crypto_hash *tx_tfm_mic;
155
156 unsigned int wpa_enabled:1;
157 unsigned int tkip_cm_active:1;
158 unsigned int key_mgmt:3;
159
160#if defined(CONFIG_HERMES_CACHE_FW_ON_INIT) || defined(CONFIG_PM_SLEEP)
161 /* Cached in memory firmware to use during ->resume. */
162 const struct firmware *cached_pri_fw;
163 const struct firmware *cached_fw;
164#endif
165
166 struct notifier_block pm_notifier;
167};
168
169#ifdef ORINOCO_DEBUG
170extern int orinoco_debug;
171#define DEBUG(n, args...) do { \
172 if (orinoco_debug > (n)) \
173 printk(KERN_DEBUG args); \
174} while (0)
175#else
176#define DEBUG(n, args...) do { } while (0)
177#endif /* ORINOCO_DEBUG */
178
179/********************************************************************/
180/* Exported prototypes */
181/********************************************************************/
182
183extern struct orinoco_private *alloc_orinocodev(
184 int sizeof_card, struct device *device,
185 int (*hard_reset)(struct orinoco_private *),
186 int (*stop_fw)(struct orinoco_private *, int));
187extern void free_orinocodev(struct orinoco_private *priv);
188extern int orinoco_init(struct orinoco_private *priv);
189extern int orinoco_if_add(struct orinoco_private *priv,
190 unsigned long base_addr,
191 unsigned int irq);
192extern void orinoco_if_del(struct orinoco_private *priv);
193extern int orinoco_up(struct orinoco_private *priv);
194extern void orinoco_down(struct orinoco_private *priv);
195extern irqreturn_t orinoco_interrupt(int irq, void *dev_id);
196
197/********************************************************************/
198/* Locking and synchronization functions */
199/********************************************************************/
200
201static inline int orinoco_lock(struct orinoco_private *priv,
202 unsigned long *flags)
203{
204 spin_lock_irqsave(&priv->lock, *flags);
205 if (priv->hw_unavailable) {
206 DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
207 priv->ndev);
208 spin_unlock_irqrestore(&priv->lock, *flags);
209 return -EBUSY;
210 }
211 return 0;
212}
213
214static inline void orinoco_unlock(struct orinoco_private *priv,
215 unsigned long *flags)
216{
217 spin_unlock_irqrestore(&priv->lock, *flags);
218}
219
220/*** Navigate from net_device to orinoco_private ***/
221static inline struct orinoco_private *ndev_priv(struct net_device *dev)
222{
223 struct wireless_dev *wdev = netdev_priv(dev);
224 return wdev_priv(wdev);
225}
226#endif /* _ORINOCO_H */