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 "0.15rc3"
  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 struct header_struct {
  34         /* 802.3 */
  35         u8 dest[ETH_ALEN];
  36         u8 src[ETH_ALEN];
  37         __be16 len;
  38         /* 802.2 */
  39         u8 dsap;
  40         u8 ssap;
  41         u8 ctrl;
  42         /* SNAP */
  43         u8 oui[3];
  44         unsigned short ethertype;
  45 } __attribute__ ((packed));
  46
  47 typedef enum {
  48         FIRMWARE_TYPE_AGERE,
  49         FIRMWARE_TYPE_INTERSIL,
  50         FIRMWARE_TYPE_SYMBOL
  51 } fwtype_t;
  52
  53 struct orinoco_private {
  54         void *card;     /* Pointer to card dependent structure */
  55         int (*hard_reset)(struct orinoco_private *);
  56
  57         /* Synchronisation stuff */
  58         spinlock_t lock;
  59         int hw_unavailable;
  60         struct work_struct reset_work;
  61
  62         /* driver state */
  63         int open;
  64         u16 last_linkstatus;
  65         struct work_struct join_work;
  66         struct work_struct wevent_work;
  67
  68         /* Net device stuff */
  69         struct net_device *ndev;
  70         struct net_device_stats stats;
  71         struct iw_statistics wstats;
  72
  73         /* Hardware control variables */
  74         hermes_t hw;
  75         u16 txfid;
  76
  77         /* Capabilities of the hardware/firmware */
  78         fwtype_t firmware_type;
  79         char fw_name[32];
  80         int ibss_port;
  81         int nicbuf_size;
  82         u16 channel_mask;
  83
  84         /* Boolean capabilities */
  85         unsigned int has_ibss:1;
  86         unsigned int has_port3:1;
  87         unsigned int has_wep:1;
  88         unsigned int has_big_wep:1;
  89         unsigned int has_mwo:1;
  90         unsigned int has_pm:1;
  91         unsigned int has_preamble:1;
  92         unsigned int has_sensitivity:1;
  93         unsigned int has_hostscan:1;
  94         unsigned int broken_disableport:1;
  95         unsigned int broken_monitor:1;
  96
  97         /* Configuration paramaters */
  98         u32 iw_mode;
  99         int prefer_port3;
 100         u16 wep_on, wep_restrict, tx_key;
 101         struct orinoco_key keys[ORINOCO_MAX_KEYS];
 102         int bitratemode;
 103         char nick[IW_ESSID_MAX_SIZE+1];
 104         char desired_essid[IW_ESSID_MAX_SIZE+1];
 105         char desired_bssid[ETH_ALEN];
 106         int bssid_fixed;
 107         u16 frag_thresh, mwo_robust;
 108         u16 channel;
 109         u16 ap_density, rts_thresh;
 110         u16 pm_on, pm_mcast, pm_period, pm_timeout;
 111         u16 preamble;
 112 #ifdef WIRELESS_SPY
 113         struct iw_spy_data spy_data; /* iwspy support */
 114         struct iw_public_data   wireless_data;
 115 #endif
 116
 117         /* Configuration dependent variables */
 118         int port_type, createibss;
 119         int promiscuous, mc_count;
 120
 121         /* Scanning support */
 122         int     scan_inprogress;        /* Scan pending... */
 123         u32     scan_mode;              /* Type of scan done */
 124         char *  scan_result;            /* Result of previous scan */
 125         int     scan_len;               /* Lenght of result */
 126 };
 127
 128 #ifdef ORINOCO_DEBUG
 129 extern int orinoco_debug;
 130 #define DEBUG(n, args...) do { if (orinoco_debug>(n)) printk(KERN_DEBUG args); } while(0)
 131 #else
 132 #define DEBUG(n, args...) do { } while (0)
 133 #endif  /* ORINOCO_DEBUG */
 134
 135 #define TRACE_ENTER(devname) DEBUG(2, "%s: -> %s()\n", devname, __FUNCTION__);
 136 #define TRACE_EXIT(devname)  DEBUG(2, "%s: <- %s()\n", devname, __FUNCTION__);
 137
 138 /********************************************************************/
 139 /* Exported prototypes                                              */
 140 /********************************************************************/
 141
 142 extern struct net_device *alloc_orinocodev(int sizeof_card,
 143                                            int (*hard_reset)(struct orinoco_private *));
 144 extern void free_orinocodev(struct net_device *dev);
 145 extern int __orinoco_up(struct net_device *dev);
 146 extern int __orinoco_down(struct net_device *dev);
 147 extern int orinoco_reinit_firmware(struct net_device *dev);
 148 extern irqreturn_t orinoco_interrupt(int irq, void * dev_id, struct pt_regs *regs);
 149
 150 /********************************************************************/
 151 /* Locking and synchronization functions                            */
 152 /********************************************************************/
 153
 154 /* These functions *must* be inline or they will break horribly on
 155  * SPARC, due to its weird semantics for save/restore flags. extern
 156  * inline should prevent the kernel from linking or module from
 157  * loading if they are not inlined. */
 158 extern inline int orinoco_lock(struct orinoco_private *priv,
 159                                unsigned long *flags)
 160 {
 161         spin_lock_irqsave(&priv->lock, *flags);
 162         if (priv->hw_unavailable) {
 163                 DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
 164                        priv->ndev);
 165                 spin_unlock_irqrestore(&priv->lock, *flags);
 166                 return -EBUSY;
 167         }
 168         return 0;
 169 }
 170
 171 extern inline void orinoco_unlock(struct orinoco_private *priv,
 172                                   unsigned long *flags)
 173 {
 174         spin_unlock_irqrestore(&priv->lock, *flags);
 175 }
 176
 177 #endif /* _ORINOCO_H */