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 "0.15rc2"
  11
  12 #include <linux/netdevice.h>
  13 #include <linux/wireless.h>
  14 #include <net/iw_handler.h>
  15 #include <linux/version.h>
  16
  17 #include "hermes.h"
  18
  19 /* To enable debug messages */
  20 //#define ORINOCO_DEBUG         3
  21
  22 #define WIRELESS_SPY            // enable iwspy support
  23
  24 #define MAX_SCAN_LEN            4096
  25
  26 #define ORINOCO_MAX_KEY_SIZE    14
  27 #define ORINOCO_MAX_KEYS        4
  28
  29 struct orinoco_key {
  30         u16 len;        /* always stored as little-endian */
  31         char data[ORINOCO_MAX_KEY_SIZE];
  32 } __attribute__ ((packed));
  33
  34 struct header_struct {
  35         /* 802.3 */
  36         u8 dest[ETH_ALEN];
  37         u8 src[ETH_ALEN];
  38         u16 len;
  39         /* 802.2 */
  40         u8 dsap;
  41         u8 ssap;
  42         u8 ctrl;
  43         /* SNAP */
  44         u8 oui[3];
  45         u16 ethertype;
  46 } __attribute__ ((packed));
  47
  48 typedef enum {
  49         FIRMWARE_TYPE_AGERE,
  50         FIRMWARE_TYPE_INTERSIL,
  51         FIRMWARE_TYPE_SYMBOL
  52 } fwtype_t;
  53
  54 struct orinoco_private {
  55         void *card;     /* Pointer to card dependent structure */
  56         int (*hard_reset)(struct orinoco_private *);
  57
  58         /* Synchronisation stuff */
  59         spinlock_t lock;
  60         int hw_unavailable;
  61         struct work_struct reset_work;
  62
  63         /* driver state */
  64         int open;
  65         u16 last_linkstatus;
  66         struct work_struct join_work;
  67         struct work_struct wevent_work;
  68
  69         /* Net device stuff */
  70         struct net_device *ndev;
  71         struct net_device_stats stats;
  72         struct iw_statistics wstats;
  73
  74         /* Hardware control variables */
  75         hermes_t hw;
  76         u16 txfid;
  77
  78         /* Capabilities of the hardware/firmware */
  79         fwtype_t firmware_type;
  80         char fw_name[32];
  81         int ibss_port;
  82         int nicbuf_size;
  83         u16 channel_mask;
  84
  85         /* Boolean capabilities */
  86         unsigned int has_ibss:1;
  87         unsigned int has_port3:1;
  88         unsigned int has_wep:1;
  89         unsigned int has_big_wep:1;
  90         unsigned int has_mwo:1;
  91         unsigned int has_pm:1;
  92         unsigned int has_preamble:1;
  93         unsigned int has_sensitivity:1;
  94         unsigned int has_hostscan:1;
  95         unsigned int broken_disableport:1;
  96         unsigned int broken_monitor:1;
  97
  98         /* Configuration paramaters */
  99         u32 iw_mode;
 100         int prefer_port3;
 101         u16 wep_on, wep_restrict, tx_key;
 102         struct orinoco_key keys[ORINOCO_MAX_KEYS];
 103         int bitratemode;
 104         char nick[IW_ESSID_MAX_SIZE+1];
 105         char desired_essid[IW_ESSID_MAX_SIZE+1];
 106         char desired_bssid[ETH_ALEN];
 107         int bssid_fixed;
 108         u16 frag_thresh, mwo_robust;
 109         u16 channel;
 110         u16 ap_density, rts_thresh;
 111         u16 pm_on, pm_mcast, pm_period, pm_timeout;
 112         u16 preamble;
 113 #ifdef WIRELESS_SPY
 114         struct iw_spy_data spy_data; /* iwspy support */
 115         struct iw_public_data   wireless_data;
 116 #endif
 117
 118         /* Configuration dependent variables */
 119         int port_type, createibss;
 120         int promiscuous, mc_count;
 121
 122         /* Scanning support */
 123         int     scan_inprogress;        /* Scan pending... */
 124         u32     scan_mode;              /* Type of scan done */
 125         char *  scan_result;            /* Result of previous scan */
 126         int     scan_len;               /* Lenght of result */
 127 };
 128
 129 #ifdef ORINOCO_DEBUG
 130 extern int orinoco_debug;
 131 #define DEBUG(n, args...) do { if (orinoco_debug>(n)) printk(KERN_DEBUG args); } while(0)
 132 #else
 133 #define DEBUG(n, args...) do { } while (0)
 134 #endif  /* ORINOCO_DEBUG */
 135
 136 #define TRACE_ENTER(devname) DEBUG(2, "%s: -> %s()\n", devname, __FUNCTION__);
 137 #define TRACE_EXIT(devname)  DEBUG(2, "%s: <- %s()\n", devname, __FUNCTION__);
 138
 139 /********************************************************************/
 140 /* Exported prototypes                                              */
 141 /********************************************************************/
 142
 143 extern struct net_device *alloc_orinocodev(int sizeof_card,
 144                                            int (*hard_reset)(struct orinoco_private *));
 145 extern void free_orinocodev(struct net_device *dev);
 146 extern int __orinoco_up(struct net_device *dev);
 147 extern int __orinoco_down(struct net_device *dev);
 148 extern int orinoco_reinit_firmware(struct net_device *dev);
 149 extern irqreturn_t orinoco_interrupt(int irq, void * dev_id, struct pt_regs *regs);
 150
 151 /********************************************************************/
 152 /* Locking and synchronization functions                            */
 153 /********************************************************************/
 154
 155 /* These functions *must* be inline or they will break horribly on
 156  * SPARC, due to its weird semantics for save/restore flags. extern
 157  * inline should prevent the kernel from linking or module from
 158  * loading if they are not inlined. */
 159 extern inline int orinoco_lock(struct orinoco_private *priv,
 160                                unsigned long *flags)
 161 {
 162         spin_lock_irqsave(&priv->lock, *flags);
 163         if (priv->hw_unavailable) {
 164                 DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
 165                        priv->ndev);
 166                 spin_unlock_irqrestore(&priv->lock, *flags);
 167                 return -EBUSY;
 168         }
 169         return 0;
 170 }
 171
 172 extern inline void orinoco_unlock(struct orinoco_private *priv,
 173                                   unsigned long *flags)
 174 {
 175         spin_unlock_irqrestore(&priv->lock, *flags);
 176 }
 177
 178 #endif /* _ORINOCO_H */