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 "0.14alpha2"
  11
  12 #include <linux/types.h>
  13 #include <linux/spinlock.h>
  14 #include <linux/netdevice.h>
  15 #include <linux/wireless.h>
  16 #include <linux/version.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 ORINOCO_MAX_KEY_SIZE    14
  26 #define ORINOCO_MAX_KEYS        4
  27
  28 struct orinoco_key {
  29         u16 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
  52         /* Net device stuff */
  53         struct net_device *ndev;
  54         struct net_device_stats stats;
  55         struct iw_statistics wstats;
  56
  57         /* Hardware control variables */
  58         hermes_t hw;
  59         u16 txfid;
  60
  61         /* Capabilities of the hardware/firmware */
  62         fwtype_t firmware_type;
  63         char fw_name[32];
  64         int ibss_port;
  65         int nicbuf_size;
  66         u16 channel_mask;
  67
  68         /* Boolean capabilities */
  69         unsigned int has_ibss:1;
  70         unsigned int has_port3:1;
  71         unsigned int has_wep:1;
  72         unsigned int has_big_wep:1;
  73         unsigned int has_mwo:1;
  74         unsigned int has_pm:1;
  75         unsigned int has_preamble:1;
  76         unsigned int has_sensitivity:1;
  77         unsigned int broken_disableport:1;
  78
  79         /* Configuration paramaters */
  80         u32 iw_mode;
  81         int prefer_port3;
  82         u16 wep_on, wep_restrict, tx_key;
  83         struct orinoco_key keys[ORINOCO_MAX_KEYS];
  84         int bitratemode;
  85         char nick[IW_ESSID_MAX_SIZE+1];
  86         char desired_essid[IW_ESSID_MAX_SIZE+1];
  87         u16 frag_thresh, mwo_robust;
  88         u16 channel;
  89         u16 ap_density, rts_thresh;
  90         u16 pm_on, pm_mcast, pm_period, pm_timeout;
  91         u16 preamble;
  92 #ifdef WIRELESS_SPY
  93         int                     spy_number;
  94         u_char                  spy_address[IW_MAX_SPY][ETH_ALEN];
  95         struct iw_quality       spy_stat[IW_MAX_SPY];
  96 #endif
  97
  98         /* Configuration dependent variables */
  99         int port_type, createibss;
 100         int promiscuous, mc_count;
 101 };
 102
 103 #ifdef ORINOCO_DEBUG
 104 extern int orinoco_debug;
 105 #define DEBUG(n, args...) do { if (orinoco_debug>(n)) printk(KERN_DEBUG args); } while(0)
 106 #else
 107 #define DEBUG(n, args...) do { } while (0)
 108 #endif  /* ORINOCO_DEBUG */
 109
 110 #define TRACE_ENTER(devname) DEBUG(2, "%s: -> %s()\n", devname, __FUNCTION__);
 111 #define TRACE_EXIT(devname)  DEBUG(2, "%s: <- %s()\n", devname, __FUNCTION__);
 112
 113 /********************************************************************/
 114 /* Exported prototypes                                              */
 115 /********************************************************************/
 116
 117 extern struct net_device *alloc_orinocodev(int sizeof_card,
 118                                            int (*hard_reset)(struct orinoco_private *));
 119 extern void free_orinocodev(struct net_device *dev);
 120 extern int __orinoco_up(struct net_device *dev);
 121 extern int __orinoco_down(struct net_device *dev);
 122 extern int orinoco_stop(struct net_device *dev);
 123 extern int orinoco_reinit_firmware(struct net_device *dev);
 124 extern irqreturn_t orinoco_interrupt(int irq, void * dev_id, struct pt_regs *regs);
 125
 126 /********************************************************************/
 127 /* Locking and synchronization functions                            */
 128 /********************************************************************/
 129
 130 /* These functions *must* be inline or they will break horribly on
 131  * SPARC, due to its weird semantics for save/restore flags. extern
 132  * inline should prevent the kernel from linking or module from
 133  * loading if they are not inlined. */
 134 extern inline int orinoco_lock(struct orinoco_private *priv,
 135                                unsigned long *flags)
 136 {
 137         spin_lock_irqsave(&priv->lock, *flags);
 138         if (priv->hw_unavailable) {
 139                 DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
 140                        priv->ndev);
 141                 spin_unlock_irqrestore(&priv->lock, *flags);
 142                 return -EBUSY;
 143         }
 144         return 0;
 145 }
 146
 147 extern inline void orinoco_unlock(struct orinoco_private *priv,
 148                                   unsigned long *flags)
 149 {
 150         spin_unlock_irqrestore(&priv->lock, *flags);
 151 }
 152
 153 #endif /* _ORINOCO_H */