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