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 MAX_SCAN_LEN            4096
  26
  27 #define ORINOCO_MAX_KEY_SIZE    14
  28 #define ORINOCO_MAX_KEYS        4
  29
  30 struct orinoco_key {
  31         u16 len;        /* always stored as little-endian */
  32         char data[ORINOCO_MAX_KEY_SIZE];
  33 } __attribute__ ((packed));
  34
  35 struct header_struct {
  36         /* 802.3 */
  37         u8 dest[ETH_ALEN];
  38         u8 src[ETH_ALEN];
  39         u16 len;
  40         /* 802.2 */
  41         u8 dsap;
  42         u8 ssap;
  43         u8 ctrl;
  44         /* SNAP */
  45         u8 oui[3];
  46         u16 ethertype;
  47 } __attribute__ ((packed));
  48
  49 typedef enum {
  50         FIRMWARE_TYPE_AGERE,
  51         FIRMWARE_TYPE_INTERSIL,
  52         FIRMWARE_TYPE_SYMBOL
  53 } fwtype_t;
  54
  55 struct orinoco_private {
  56         void *card;     /* Pointer to card dependent structure */
  57         int (*hard_reset)(struct orinoco_private *);
  58
  59         /* Synchronisation stuff */
  60         spinlock_t lock;
  61         int hw_unavailable;
  62         struct work_struct reset_work;
  63
  64         /* driver state */
  65         int open;
  66         u16 last_linkstatus;
  67         struct work_struct join_work;
  68         struct work_struct wevent_work;
  69
  70         /* Net device stuff */
  71         struct net_device *ndev;
  72         struct net_device_stats stats;
  73         struct iw_statistics wstats;
  74
  75         /* Hardware control variables */
  76         hermes_t hw;
  77         u16 txfid;
  78
  79         /* Capabilities of the hardware/firmware */
  80         fwtype_t firmware_type;
  81         char fw_name[32];
  82         int ibss_port;
  83         int nicbuf_size;
  84         u16 channel_mask;
  85
  86         /* Boolean capabilities */
  87         unsigned int has_ibss:1;
  88         unsigned int has_port3:1;
  89         unsigned int has_wep:1;
  90         unsigned int has_big_wep:1;
  91         unsigned int has_mwo:1;
  92         unsigned int has_pm:1;
  93         unsigned int has_preamble:1;
  94         unsigned int has_sensitivity:1;
  95         unsigned int has_hostscan:1;
  96         unsigned int broken_disableport:1;
  97         unsigned int broken_monitor:1;
  98
  99         /* Configuration paramaters */
 100         u32 iw_mode;
 101         int prefer_port3;
 102         u16 wep_on, wep_restrict, tx_key;
 103         struct orinoco_key keys[ORINOCO_MAX_KEYS];
 104         int bitratemode;
 105         char nick[IW_ESSID_MAX_SIZE+1];
 106         char desired_essid[IW_ESSID_MAX_SIZE+1];
 107         char desired_bssid[ETH_ALEN];
 108         int bssid_fixed;
 109         u16 frag_thresh, mwo_robust;
 110         u16 channel;
 111         u16 ap_density, rts_thresh;
 112         u16 pm_on, pm_mcast, pm_period, pm_timeout;
 113         u16 preamble;
 114 #ifdef WIRELESS_SPY
 115         int                     spy_number;
 116         u_char                  spy_address[IW_MAX_SPY][ETH_ALEN];
 117         struct iw_quality       spy_stat[IW_MAX_SPY];
 118 #endif
 119
 120         /* Configuration dependent variables */
 121         int port_type, createibss;
 122         int promiscuous, mc_count;
 123
 124         /* Scanning support */
 125         int     scan_inprogress;        /* Scan pending... */
 126         u32     scan_mode;              /* Type of scan done */
 127         char *  scan_result;            /* Result of previous scan */
 128         int     scan_len;               /* Lenght of result */
 129 };
 130
 131 #ifdef ORINOCO_DEBUG
 132 extern int orinoco_debug;
 133 #define DEBUG(n, args...) do { if (orinoco_debug>(n)) printk(KERN_DEBUG args); } while(0)
 134 #else
 135 #define DEBUG(n, args...) do { } while (0)
 136 #endif  /* ORINOCO_DEBUG */
 137
 138 #define TRACE_ENTER(devname) DEBUG(2, "%s: -> %s()\n", devname, __FUNCTION__);
 139 #define TRACE_EXIT(devname)  DEBUG(2, "%s: <- %s()\n", devname, __FUNCTION__);
 140
 141 /********************************************************************/
 142 /* Exported prototypes                                              */
 143 /********************************************************************/
 144
 145 extern struct net_device *alloc_orinocodev(int sizeof_card,
 146                                            int (*hard_reset)(struct orinoco_private *));
 147 extern void free_orinocodev(struct net_device *dev);
 148 extern int __orinoco_up(struct net_device *dev);
 149 extern int __orinoco_down(struct net_device *dev);
 150 extern int orinoco_reinit_firmware(struct net_device *dev);
 151 extern irqreturn_t orinoco_interrupt(int irq, void * dev_id, struct pt_regs *regs);
 152
 153 /********************************************************************/
 154 /* Locking and synchronization functions                            */
 155 /********************************************************************/
 156
 157 /* These functions *must* be inline or they will break horribly on
 158  * SPARC, due to its weird semantics for save/restore flags. extern
 159  * inline should prevent the kernel from linking or module from
 160  * loading if they are not inlined. */
 161 extern inline int orinoco_lock(struct orinoco_private *priv,
 162                                unsigned long *flags)
 163 {
 164         spin_lock_irqsave(&priv->lock, *flags);
 165         if (priv->hw_unavailable) {
 166                 DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
 167                        priv->ndev);
 168                 spin_unlock_irqrestore(&priv->lock, *flags);
 169                 return -EBUSY;
 170         }
 171         return 0;
 172 }
 173
 174 extern inline void orinoco_unlock(struct orinoco_private *priv,
 175                                   unsigned long *flags)
 176 {
 177         spin_unlock_irqrestore(&priv->lock, *flags);
 178 }
 179
 180 #endif /* _ORINOCO_H */