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 typedef struct {
  40         union hermes_scan_info bss;
  41         unsigned long last_scanned;
  42         struct list_head list;
  43 } bss_element;
  44
  45 struct orinoco_private {
  46         void *card;     /* Pointer to card dependent structure */
  47         int (*hard_reset)(struct orinoco_private *);
  48
  49         /* Synchronisation stuff */
  50         spinlock_t lock;
  51         int hw_unavailable;
  52         struct work_struct reset_work;
  53
  54         /* driver state */
  55         int open;
  56         u16 last_linkstatus;
  57         struct work_struct join_work;
  58         struct work_struct wevent_work;
  59
  60         /* Net device stuff */
  61         struct net_device *ndev;
  62         struct net_device_stats stats;
  63         struct iw_statistics wstats;
  64
  65         /* Hardware control variables */
  66         hermes_t hw;
  67         u16 txfid;
  68
  69         /* Capabilities of the hardware/firmware */
  70         fwtype_t firmware_type;
  71         char fw_name[32];
  72         int ibss_port;
  73         int nicbuf_size;
  74         u16 channel_mask;
  75
  76         /* Boolean capabilities */
  77         unsigned int has_ibss:1;
  78         unsigned int has_port3:1;
  79         unsigned int has_wep:1;
  80         unsigned int has_big_wep:1;
  81         unsigned int has_mwo:1;
  82         unsigned int has_pm:1;
  83         unsigned int has_preamble:1;
  84         unsigned int has_sensitivity:1;
  85         unsigned int has_hostscan:1;
  86         unsigned int broken_disableport:1;
  87         unsigned int broken_monitor:1;
  88
  89         /* Configuration paramaters */
  90         u32 iw_mode;
  91         int prefer_port3;
  92         u16 wep_on, wep_restrict, tx_key;
  93         struct orinoco_key keys[ORINOCO_MAX_KEYS];
  94         int bitratemode;
  95         char nick[IW_ESSID_MAX_SIZE+1];
  96         char desired_essid[IW_ESSID_MAX_SIZE+1];
  97         char desired_bssid[ETH_ALEN];
  98         int bssid_fixed;
  99         u16 frag_thresh, mwo_robust;
 100         u16 channel;
 101         u16 ap_density, rts_thresh;
 102         u16 pm_on, pm_mcast, pm_period, pm_timeout;
 103         u16 preamble;
 104 #ifdef WIRELESS_SPY
 105         struct iw_spy_data spy_data; /* iwspy support */
 106         struct iw_public_data   wireless_data;
 107 #endif
 108
 109         /* Configuration dependent variables */
 110         int port_type, createibss;
 111         int promiscuous, mc_count;
 112
 113         /* Scanning support */
 114         struct list_head bss_list;
 115         struct list_head bss_free_list;
 116         bss_element *bss_data;
 117
 118         int     scan_inprogress;        /* Scan pending... */
 119         u32     scan_mode;              /* Type of scan done */
 120 };
 121
 122 #ifdef ORINOCO_DEBUG
 123 extern int orinoco_debug;
 124 #define DEBUG(n, args...) do { if (orinoco_debug>(n)) printk(KERN_DEBUG args); } while(0)
 125 #else
 126 #define DEBUG(n, args...) do { } while (0)
 127 #endif  /* ORINOCO_DEBUG */
 128
 129 /********************************************************************/
 130 /* Exported prototypes                                              */
 131 /********************************************************************/
 132
 133 extern struct net_device *alloc_orinocodev(int sizeof_card,
 134                                            int (*hard_reset)(struct orinoco_private *));
 135 extern void free_orinocodev(struct net_device *dev);
 136 extern int __orinoco_up(struct net_device *dev);
 137 extern int __orinoco_down(struct net_device *dev);
 138 extern int orinoco_reinit_firmware(struct net_device *dev);
 139 extern irqreturn_t orinoco_interrupt(int irq, void * dev_id);
 140
 141 /********************************************************************/
 142 /* Locking and synchronization functions                            */
 143 /********************************************************************/
 144
 145 static inline int orinoco_lock(struct orinoco_private *priv,
 146                                unsigned long *flags)
 147 {
 148         spin_lock_irqsave(&priv->lock, *flags);
 149         if (priv->hw_unavailable) {
 150                 DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
 151                        priv->ndev);
 152                 spin_unlock_irqrestore(&priv->lock, *flags);
 153                 return -EBUSY;
 154         }
 155         return 0;
 156 }
 157
 158 static inline void orinoco_unlock(struct orinoco_private *priv,
 159                                   unsigned long *flags)
 160 {
 161         spin_unlock_irqrestore(&priv->lock, *flags);
 162 }
 163
 164 #endif /* _ORINOCO_H */