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/interrupt.h>
  13 #include <linux/netdevice.h>
  14 #include <linux/wireless.h>
  15 #include <net/iw_handler.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         __le16 len;     /* always stored as little-endian */
  31         char data[ORINOCO_MAX_KEY_SIZE];
  32 } __attribute__ ((packed));
  33
  34 #define TKIP_KEYLEN     16
  35 #define MIC_KEYLEN      8
  36
  37 struct orinoco_tkip_key {
  38         u8 tkip[TKIP_KEYLEN];
  39         u8 tx_mic[MIC_KEYLEN];
  40         u8 rx_mic[MIC_KEYLEN];
  41 };
  42
  43 typedef enum {
  44         FIRMWARE_TYPE_AGERE,
  45         FIRMWARE_TYPE_INTERSIL,
  46         FIRMWARE_TYPE_SYMBOL
  47 } fwtype_t;
  48
  49 struct bss_element {
  50         union hermes_scan_info bss;
  51         unsigned long last_scanned;
  52         struct list_head list;
  53 };
  54
  55 struct xbss_element {
  56         struct agere_ext_scan_info bss;
  57         unsigned long last_scanned;
  58         struct list_head list;
  59 };
  60
  61 struct hermes_rx_descriptor;
  62
  63 struct orinoco_rx_data {
  64         struct hermes_rx_descriptor *desc;
  65         struct sk_buff *skb;
  66         struct list_head list;
  67 };
  68
  69 struct orinoco_private {
  70         void *card;     /* Pointer to card dependent structure */
  71         struct device *dev;
  72         int (*hard_reset)(struct orinoco_private *);
  73         int (*stop_fw)(struct orinoco_private *, int);
  74
  75         /* Synchronisation stuff */
  76         spinlock_t lock;
  77         int hw_unavailable;
  78         struct work_struct reset_work;
  79
  80         /* Interrupt tasklets */
  81         struct tasklet_struct rx_tasklet;
  82         struct list_head rx_list;
  83         struct orinoco_rx_data *rx_data;
  84
  85         /* driver state */
  86         int open;
  87         u16 last_linkstatus;
  88         struct work_struct join_work;
  89         struct work_struct wevent_work;
  90
  91         /* Net device stuff */
  92         struct net_device *ndev;
  93         struct net_device_stats stats;
  94         struct iw_statistics wstats;
  95
  96         /* Hardware control variables */
  97         hermes_t hw;
  98         u16 txfid;
  99
 100         /* Capabilities of the hardware/firmware */
 101         fwtype_t firmware_type;
 102         char fw_name[32];
 103         int ibss_port;
 104         int nicbuf_size;
 105         u16 channel_mask;
 106
 107         /* Boolean capabilities */
 108         unsigned int has_ibss:1;
 109         unsigned int has_port3:1;
 110         unsigned int has_wep:1;
 111         unsigned int has_big_wep:1;
 112         unsigned int has_mwo:1;
 113         unsigned int has_pm:1;
 114         unsigned int has_preamble:1;
 115         unsigned int has_sensitivity:1;
 116         unsigned int has_hostscan:1;
 117         unsigned int has_alt_txcntl:1;
 118         unsigned int has_ext_scan:1;
 119         unsigned int has_wpa:1;
 120         unsigned int do_fw_download:1;
 121         unsigned int broken_disableport:1;
 122         unsigned int broken_monitor:1;
 123
 124         /* Configuration paramaters */
 125         u32 iw_mode;
 126         int prefer_port3;
 127         u16 encode_alg, wep_restrict, tx_key;
 128         struct orinoco_key keys[ORINOCO_MAX_KEYS];
 129         int bitratemode;
 130         char nick[IW_ESSID_MAX_SIZE+1];
 131         char desired_essid[IW_ESSID_MAX_SIZE+1];
 132         char desired_bssid[ETH_ALEN];
 133         int bssid_fixed;
 134         u16 frag_thresh, mwo_robust;
 135         u16 channel;
 136         u16 ap_density, rts_thresh;
 137         u16 pm_on, pm_mcast, pm_period, pm_timeout;
 138         u16 preamble;
 139 #ifdef WIRELESS_SPY
 140         struct iw_spy_data spy_data; /* iwspy support */
 141         struct iw_public_data   wireless_data;
 142 #endif
 143
 144         /* Configuration dependent variables */
 145         int port_type, createibss;
 146         int promiscuous, mc_count;
 147
 148         /* Scanning support */
 149         struct list_head bss_list;
 150         struct list_head bss_free_list;
 151         void *bss_xbss_data;
 152
 153         int     scan_inprogress;        /* Scan pending... */
 154         u32     scan_mode;              /* Type of scan done */
 155
 156         /* WPA support */
 157         u8 *wpa_ie;
 158         int wpa_ie_len;
 159
 160         struct orinoco_tkip_key tkip_key[ORINOCO_MAX_KEYS];
 161         struct crypto_hash *rx_tfm_mic;
 162         struct crypto_hash *tx_tfm_mic;
 163
 164         unsigned int wpa_enabled:1;
 165         unsigned int tkip_cm_active:1;
 166         unsigned int key_mgmt:3;
 167 };
 168
 169 #ifdef ORINOCO_DEBUG
 170 extern int orinoco_debug;
 171 #define DEBUG(n, args...) do { if (orinoco_debug>(n)) printk(KERN_DEBUG args); } while(0)
 172 #else
 173 #define DEBUG(n, args...) do { } while (0)
 174 #endif  /* ORINOCO_DEBUG */
 175
 176 /********************************************************************/
 177 /* Exported prototypes                                              */
 178 /********************************************************************/
 179
 180 extern struct net_device *alloc_orinocodev(
 181         int sizeof_card, struct device *device,
 182         int (*hard_reset)(struct orinoco_private *),
 183         int (*stop_fw)(struct orinoco_private *, int));
 184 extern void free_orinocodev(struct net_device *dev);
 185 extern int __orinoco_up(struct net_device *dev);
 186 extern int __orinoco_down(struct net_device *dev);
 187 extern int orinoco_reinit_firmware(struct net_device *dev);
 188 extern irqreturn_t orinoco_interrupt(int irq, void * dev_id);
 189
 190 /********************************************************************/
 191 /* Locking and synchronization functions                            */
 192 /********************************************************************/
 193
 194 static inline int orinoco_lock(struct orinoco_private *priv,
 195                                unsigned long *flags)
 196 {
 197         spin_lock_irqsave(&priv->lock, *flags);
 198         if (priv->hw_unavailable) {
 199                 DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
 200                        priv->ndev);
 201                 spin_unlock_irqrestore(&priv->lock, *flags);
 202                 return -EBUSY;
 203         }
 204         return 0;
 205 }
 206
 207 static inline void orinoco_unlock(struct orinoco_private *priv,
 208                                   unsigned long *flags)
 209 {
 210         spin_unlock_irqrestore(&priv->lock, *flags);
 211 }
 212
 213 #endif /* _ORINOCO_H */