drivers/net/wireless/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/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
  28 struct orinoco_key {
  29         __le16 len;     /* always stored as little-endian */
  30         char data[ORINOCO_MAX_KEY_SIZE];
  31 } __attribute__ ((packed));
  32
  33 typedef enum {
  34         FIRMWARE_TYPE_AGERE,
  35         FIRMWARE_TYPE_INTERSIL,
  36         FIRMWARE_TYPE_SYMBOL
  37 } fwtype_t;
  38
  39 struct orinoco_private {
  40         void *card;     /* Pointer to card dependent structure */
  41         int (*hard_reset)(struct orinoco_private *);
  42
  43         /* Synchronisation stuff */
  44         spinlock_t lock;
  45         int hw_unavailable;
  46         struct work_struct reset_work;
  47
  48         /* driver state */
  49         int open;
  50         u16 last_linkstatus;
  51         struct work_struct join_work;
  52         struct work_struct wevent_work;
  53
  54         /* Net device stuff */
  55         struct net_device *ndev;
  56         struct net_device_stats stats;
  57         struct iw_statistics wstats;
  58
  59         /* Hardware control variables */
  60         hermes_t hw;
  61         u16 txfid;
  62
  63         /* Capabilities of the hardware/firmware */
  64         fwtype_t firmware_type;
  65         char fw_name[32];
  66         int ibss_port;
  67         int nicbuf_size;
  68         u16 channel_mask;
  69
  70         /* Boolean capabilities */
  71         unsigned int has_ibss:1;
  72         unsigned int has_port3:1;
  73         unsigned int has_wep:1;
  74         unsigned int has_big_wep:1;
  75         unsigned int has_mwo:1;
  76         unsigned int has_pm:1;
  77         unsigned int has_preamble:1;
  78         unsigned int has_sensitivity:1;
  79         unsigned int has_hostscan:1;
  80         unsigned int broken_disableport:1;
  81         unsigned int broken_monitor:1;
  82
  83         /* Configuration paramaters */
  84         u32 iw_mode;
  85         int prefer_port3;
  86         u16 wep_on, wep_restrict, tx_key;
  87         struct orinoco_key keys[ORINOCO_MAX_KEYS];
  88         int bitratemode;
  89         char nick[IW_ESSID_MAX_SIZE+1];
  90         char desired_essid[IW_ESSID_MAX_SIZE+1];
  91         char desired_bssid[ETH_ALEN];
  92         int bssid_fixed;
  93         u16 frag_thresh, mwo_robust;
  94         u16 channel;
  95         u16 ap_density, rts_thresh;
  96         u16 pm_on, pm_mcast, pm_period, pm_timeout;
  97         u16 preamble;
  98 #ifdef WIRELESS_SPY
  99         struct iw_spy_data spy_data; /* iwspy support */
 100         struct iw_public_data   wireless_data;
 101 #endif
 102
 103         /* Configuration dependent variables */
 104         int port_type, createibss;
 105         int promiscuous, mc_count;
 106
 107         /* Scanning support */
 108         int     scan_inprogress;        /* Scan pending... */
 109         u32     scan_mode;              /* Type of scan done */
 110         char *  scan_result;            /* Result of previous scan */
 111         int     scan_len;               /* Lenght of result */
 112 };
 113
 114 #ifdef ORINOCO_DEBUG
 115 extern int orinoco_debug;
 116 #define DEBUG(n, args...) do { if (orinoco_debug>(n)) printk(KERN_DEBUG args); } while(0)
 117 #else
 118 #define DEBUG(n, args...) do { } while (0)
 119 #endif  /* ORINOCO_DEBUG */
 120
 121 /********************************************************************/
 122 /* Exported prototypes                                              */
 123 /********************************************************************/
 124
 125 extern struct net_device *alloc_orinocodev(int sizeof_card,
 126                                            int (*hard_reset)(struct orinoco_private *));
 127 extern void free_orinocodev(struct net_device *dev);
 128 extern int __orinoco_up(struct net_device *dev);
 129 extern int __orinoco_down(struct net_device *dev);
 130 extern int orinoco_reinit_firmware(struct net_device *dev);
 131 extern irqreturn_t orinoco_interrupt(int irq, void * dev_id, struct pt_regs *regs);
 132
 133 /********************************************************************/
 134 /* Locking and synchronization functions                            */
 135 /********************************************************************/
 136
 137 static inline int orinoco_lock(struct orinoco_private *priv,
 138                                unsigned long *flags)
 139 {
 140         spin_lock_irqsave(&priv->lock, *flags);
 141         if (priv->hw_unavailable) {
 142                 DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
 143                        priv->ndev);
 144                 spin_unlock_irqrestore(&priv->lock, *flags);
 145                 return -EBUSY;
 146         }
 147         return 0;
 148 }
 149
 150 static inline void orinoco_unlock(struct orinoco_private *priv,
 151                                   unsigned long *flags)
 152 {
 153         spin_unlock_irqrestore(&priv->lock, *flags);
 154 }
 155
 156 #endif /* _ORINOCO_H */