drivers/net/wireless/orinoco/orinoco.h

   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 } __attribute__ ((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 typedef enum {
  53         FIRMWARE_TYPE_AGERE,
  54         FIRMWARE_TYPE_INTERSIL,
  55         FIRMWARE_TYPE_SYMBOL
  56 } fwtype_t;
  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 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
 170 extern 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
 183 extern 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));
 187 extern void free_orinocodev(struct orinoco_private *priv);
 188 extern int orinoco_init(struct orinoco_private *priv);
 189 extern int orinoco_if_add(struct orinoco_private *priv,
 190                           unsigned long base_addr,
 191                           unsigned int irq);
 192 extern void orinoco_if_del(struct orinoco_private *priv);
 193 extern int orinoco_up(struct orinoco_private *priv);
 194 extern void orinoco_down(struct orinoco_private *priv);
 195 extern irqreturn_t orinoco_interrupt(int irq, void *dev_id);
 196
 197 /********************************************************************/
 198 /* Locking and synchronization functions                            */
 199 /********************************************************************/
 200
 201 static 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
 214 static 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 ***/
 221 static 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 */