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
32 struct orinoco_key {
33 __le16 len; /* always stored as little-endian */
34 char data[ORINOCO_MAX_KEY_SIZE];
35 } __packed;
36
37 #define TKIP_KEYLEN 16
38 #define MIC_KEYLEN 8
39
40 struct orinoco_tkip_key {
41 u8 tkip[TKIP_KEYLEN];
42 u8 tx_mic[MIC_KEYLEN];
43 u8 rx_mic[MIC_KEYLEN];
44 };
45
46 enum orinoco_alg {
47 ORINOCO_ALG_NONE,
48 ORINOCO_ALG_WEP,
49 ORINOCO_ALG_TKIP
50 };
51
52 enum fwtype {
53 FIRMWARE_TYPE_AGERE,
54 FIRMWARE_TYPE_INTERSIL,
55 FIRMWARE_TYPE_SYMBOL
56 };
57
58 struct firmware;
59
60 struct 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 iw_statistics wstats;
88
89 /* Hardware control variables */
90 struct hermes hw;
91 u16 txfid;
92
93 /* Capabilities of the hardware/firmware */
94 enum fwtype firmware_type;
95 int ibss_port;
96 int nicbuf_size;
97 u16 channel_mask;
98
99 /* Boolean capabilities */
100 unsigned int has_ibss:1;
101 unsigned int has_port3:1;
102 unsigned int has_wep:1;
103 unsigned int has_big_wep:1;
104 unsigned int has_mwo:1;
105 unsigned int has_pm:1;
106 unsigned int has_preamble:1;
107 unsigned int has_sensitivity:1;
108 unsigned int has_hostscan:1;
109 unsigned int has_alt_txcntl:1;
110 unsigned int has_ext_scan:1;
111 unsigned int has_wpa:1;
112 unsigned int do_fw_download:1;
113 unsigned int broken_disableport:1;
114 unsigned int broken_monitor:1;
115 unsigned int prefer_port3:1;
116
117 /* Configuration paramaters */
118 enum nl80211_iftype iw_mode;
119 enum orinoco_alg encode_alg;
120 u16 wep_restrict, tx_key;
121 struct key_params keys[ORINOCO_MAX_KEYS];
122
123 int bitratemode;
124 char nick[IW_ESSID_MAX_SIZE + 1];
125 char desired_essid[IW_ESSID_MAX_SIZE + 1];
126 char desired_bssid[ETH_ALEN];
127 int bssid_fixed;
128 u16 frag_thresh, mwo_robust;
129 u16 channel;
130 u16 ap_density, rts_thresh;
131 u16 pm_on, pm_mcast, pm_period, pm_timeout;
132 u16 preamble;
133 u16 short_retry_limit, long_retry_limit;
134 u16 retry_lifetime;
135 #ifdef WIRELESS_SPY
136 struct iw_spy_data spy_data; /* iwspy support */
137 struct iw_public_data wireless_data;
138 #endif
139
140 /* Configuration dependent variables */
141 int port_type, createibss;
142 int promiscuous, mc_count;
143
144 /* Scanning support */
145 struct cfg80211_scan_request *scan_request;
146 struct work_struct process_scan;
147 struct list_head scan_list;
148 spinlock_t scan_lock; /* protects the scan list */
149
150 /* WPA support */
151 u8 *wpa_ie;
152 int wpa_ie_len;
153
154 struct crypto_shash *rx_tfm_mic;
155 struct crypto_shash *tx_tfm_mic;
156
157 unsigned int wpa_enabled:1;
158 unsigned int tkip_cm_active:1;
159 unsigned int key_mgmt:3;
160
161 #if defined(CONFIG_HERMES_CACHE_FW_ON_INIT) || defined(CONFIG_PM_SLEEP)
162 /* Cached in memory firmware to use during ->resume. */
163 const struct firmware *cached_pri_fw;
164 const struct firmware *cached_fw;
165 #endif
166
167 struct notifier_block pm_notifier;
168 };
169
170 #ifdef ORINOCO_DEBUG
171 extern int orinoco_debug;
172 #define DEBUG(n, args...) do { \
173 if (orinoco_debug > (n)) \
174 printk(KERN_DEBUG args); \
175 } while (0)
176 #else
177 #define DEBUG(n, args...) do { } while (0)
178 #endif /* ORINOCO_DEBUG */
179
180 /********************************************************************/
181 /* Exported prototypes */
182 /********************************************************************/
183
184 struct orinoco_private *alloc_orinocodev(int sizeof_card, struct device *device,
185 int (*hard_reset)(struct orinoco_private *),
186 int (*stop_fw)(struct orinoco_private *, int));
187 void free_orinocodev(struct orinoco_private *priv);
188 int orinoco_init(struct orinoco_private *priv);
189 int orinoco_if_add(struct orinoco_private *priv, unsigned long base_addr,
190 unsigned int irq, const struct net_device_ops *ops);
191 void orinoco_if_del(struct orinoco_private *priv);
192 int orinoco_up(struct orinoco_private *priv);
193 void orinoco_down(struct orinoco_private *priv);
194 irqreturn_t orinoco_interrupt(int irq, void *dev_id);
195
196 void __orinoco_ev_info(struct net_device *dev, struct hermes *hw);
197 void __orinoco_ev_rx(struct net_device *dev, struct hermes *hw);
198
199 int orinoco_process_xmit_skb(struct sk_buff *skb,
200 struct net_device *dev,
201 struct orinoco_private *priv,
202 int *tx_control,
203 u8 *mic);
204
205 /* Common ndo functions exported for reuse by orinoco_usb */
206 int orinoco_open(struct net_device *dev);
207 int orinoco_stop(struct net_device *dev);
208 void orinoco_set_multicast_list(struct net_device *dev);
209 int orinoco_change_mtu(struct net_device *dev, int new_mtu);
210 void orinoco_tx_timeout(struct net_device *dev, unsigned int txqueue);
211
212 /********************************************************************/
213 /* Locking and synchronization functions */
214 /********************************************************************/
215
orinoco_lock(struct orinoco_private * priv,unsigned long * flags)216 static inline int orinoco_lock(struct orinoco_private *priv,
217 unsigned long *flags)
218 {
219 priv->hw.ops->lock_irqsave(&priv->lock, flags);
220 if (priv->hw_unavailable) {
221 DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
222 priv->ndev);
223 priv->hw.ops->unlock_irqrestore(&priv->lock, flags);
224 return -EBUSY;
225 }
226 return 0;
227 }
228
orinoco_unlock(struct orinoco_private * priv,unsigned long * flags)229 static inline void orinoco_unlock(struct orinoco_private *priv,
230 unsigned long *flags)
231 {
232 priv->hw.ops->unlock_irqrestore(&priv->lock, flags);
233 }
234
orinoco_lock_irq(struct orinoco_private * priv)235 static inline void orinoco_lock_irq(struct orinoco_private *priv)
236 {
237 priv->hw.ops->lock_irq(&priv->lock);
238 }
239
orinoco_unlock_irq(struct orinoco_private * priv)240 static inline void orinoco_unlock_irq(struct orinoco_private *priv)
241 {
242 priv->hw.ops->unlock_irq(&priv->lock);
243 }
244
245 /*** Navigate from net_device to orinoco_private ***/
ndev_priv(struct net_device * dev)246 static inline struct orinoco_private *ndev_priv(struct net_device *dev)
247 {
248 struct wireless_dev *wdev = netdev_priv(dev);
249 return wdev_priv(wdev);
250 }
251 #endif /* _ORINOCO_H */
252