drivers/net/wireless/libertas/dev.h

   1 /**
   2   * This file contains definitions and data structures specific
   3   * to Marvell 802.11 NIC. It contains the Device Information
   4   * structure wlan_adapter.
   5   */
   6 #ifndef _WLAN_DEV_H_
   7 #define _WLAN_DEV_H_
   8
   9 #include <linux/netdevice.h>
  10 #include <linux/wireless.h>
  11 #include <linux/ethtool.h>
  12 #include <linux/debugfs.h>
  13 #include <net/ieee80211.h>
  14
  15 #include "defs.h"
  16 #include "scan.h"
  17
  18 extern struct ethtool_ops libertas_ethtool_ops;
  19
  20 #define MAX_BSSID_PER_CHANNEL           16
  21
  22 #define NR_TX_QUEUE                     3
  23
  24 /* For the extended Scan */
  25 #define MAX_EXTENDED_SCAN_BSSID_LIST    MAX_BSSID_PER_CHANNEL * \
  26                                                 MRVDRV_MAX_CHANNEL_SIZE + 1
  27
  28 #define MAX_REGION_CHANNEL_NUM  2
  29
  30 /** Chan-freq-TxPower mapping table*/
  31 struct chan_freq_power {
  32         /** channel Number              */
  33         u16 channel;
  34         /** frequency of this channel   */
  35         u32 freq;
  36         /** Max allowed Tx power level  */
  37         u16 maxtxpower;
  38         /** TRUE:channel unsupported;  FLASE:supported*/
  39         u8 unsupported;
  40 };
  41
  42 /** region-band mapping table*/
  43 struct region_channel {
  44         /** TRUE if this entry is valid              */
  45         u8 valid;
  46         /** region code for US, Japan ...            */
  47         u8 region;
  48         /** band B/G/A, used for BAND_CONFIG cmd             */
  49         u8 band;
  50         /** Actual No. of elements in the array below */
  51         u8 nrcfp;
  52         /** chan-freq-txpower mapping table*/
  53         struct chan_freq_power *CFP;
  54 };
  55
  56 struct wlan_802_11_security {
  57         u8 WPAenabled;
  58         u8 WPA2enabled;
  59         u8 wep_enabled;
  60         u8 auth_mode;
  61 };
  62
  63 /** Current Basic Service Set State Structure */
  64 struct current_bss_params {
  65         /** bssid */
  66         u8 bssid[ETH_ALEN];
  67         /** ssid */
  68         u8 ssid[IW_ESSID_MAX_SIZE + 1];
  69         u8 ssid_len;
  70
  71         /** band */
  72         u8 band;
  73         /** channel */
  74         u8 channel;
  75         /** zero-terminated array of supported data rates */
  76         u8 rates[MAX_RATES + 1];
  77 };
  78
  79 /** sleep_params */
  80 struct sleep_params {
  81         u16 sp_error;
  82         u16 sp_offset;
  83         u16 sp_stabletime;
  84         u8 sp_calcontrol;
  85         u8 sp_extsleepclk;
  86         u16 sp_reserved;
  87 };
  88
  89 /* Mesh statistics */
  90 struct wlan_mesh_stats {
  91         u32     fwd_bcast_cnt;          /* Fwd: Broadcast counter */
  92         u32     fwd_unicast_cnt;        /* Fwd: Unicast counter */
  93         u32     fwd_drop_ttl;           /* Fwd: TTL zero */
  94         u32     fwd_drop_rbt;           /* Fwd: Recently Broadcasted */
  95         u32     fwd_drop_noroute;       /* Fwd: No route to Destination */
  96         u32     fwd_drop_nobuf;         /* Fwd: Run out of internal buffers */
  97         u32     drop_blind;             /* Rx:  Dropped by blinding table */
  98         u32     tx_failed_cnt;          /* Tx:  Failed transmissions */
  99 };
 100
 101 /** Private structure for the MV device */
 102 struct _wlan_private {
 103         int open;
 104         int mesh_open;
 105         int infra_open;
 106         int mesh_autostart_enabled;
 107         __le16 boot2_version;
 108
 109         char name[DEV_NAME_LEN];
 110
 111         void *card;
 112         wlan_adapter *adapter;
 113         struct net_device *dev;
 114
 115         struct net_device_stats stats;
 116         struct net_device *mesh_dev; /* Virtual device */
 117         struct net_device *rtap_net_dev;
 118         struct ieee80211_device *ieee;
 119
 120         struct iw_statistics wstats;
 121         struct wlan_mesh_stats mstats;
 122         struct dentry *debugfs_dir;
 123         struct dentry *debugfs_debug;
 124         struct dentry *debugfs_files[6];
 125
 126         struct dentry *events_dir;
 127         struct dentry *debugfs_events_files[6];
 128
 129         struct dentry *regs_dir;
 130         struct dentry *debugfs_regs_files[6];
 131
 132         u32 mac_offset;
 133         u32 bbp_offset;
 134         u32 rf_offset;
 135
 136         /** Upload length */
 137         u32 upld_len;
 138         /* Upload buffer */
 139         u8 upld_buf[WLAN_UPLD_SIZE];
 140         /* Download sent:
 141            bit0 1/0=data_sent/data_tx_done,
 142            bit1 1/0=cmd_sent/cmd_tx_done,
 143            all other bits reserved 0 */
 144         u8 dnld_sent;
 145
 146         struct device *hotplug_device;
 147
 148         /** thread to service interrupts */
 149         struct task_struct *main_thread;
 150         wait_queue_head_t waitq;
 151         struct workqueue_struct *work_thread;
 152
 153         struct delayed_work scan_work;
 154         struct delayed_work assoc_work;
 155         struct work_struct sync_channel;
 156
 157         /** Hardware access */
 158         int (*hw_host_to_card) (wlan_private * priv, u8 type, u8 * payload, u16 nb);
 159         int (*hw_get_int_status) (wlan_private * priv, u8 *);
 160         int (*hw_read_event_cause) (wlan_private *);
 161 };
 162
 163 /** Association request
 164  *
 165  * Encapsulates all the options that describe a specific assocation request
 166  * or configuration of the wireless card's radio, mode, and security settings.
 167  */
 168 struct assoc_request {
 169 #define ASSOC_FLAG_SSID                 1
 170 #define ASSOC_FLAG_CHANNEL              2
 171 #define ASSOC_FLAG_BAND                 3
 172 #define ASSOC_FLAG_MODE                 4
 173 #define ASSOC_FLAG_BSSID                5
 174 #define ASSOC_FLAG_WEP_KEYS             6
 175 #define ASSOC_FLAG_WEP_TX_KEYIDX        7
 176 #define ASSOC_FLAG_WPA_MCAST_KEY        8
 177 #define ASSOC_FLAG_WPA_UCAST_KEY        9
 178 #define ASSOC_FLAG_SECINFO              10
 179 #define ASSOC_FLAG_WPA_IE               11
 180         unsigned long flags;
 181
 182         u8 ssid[IW_ESSID_MAX_SIZE + 1];
 183         u8 ssid_len;
 184         u8 channel;
 185         u8 band;
 186         u8 mode;
 187         u8 bssid[ETH_ALEN];
 188
 189         /** WEP keys */
 190         struct enc_key wep_keys[4];
 191         u16 wep_tx_keyidx;
 192
 193         /** WPA keys */
 194         struct enc_key wpa_mcast_key;
 195         struct enc_key wpa_unicast_key;
 196
 197         struct wlan_802_11_security secinfo;
 198
 199         /** WPA Information Elements*/
 200         u8 wpa_ie[MAX_WPA_IE_LEN];
 201         u8 wpa_ie_len;
 202
 203         /* BSS to associate with for infrastructure of Ad-Hoc join */
 204         struct bss_descriptor bss;
 205 };
 206
 207 /** Wlan adapter data structure*/
 208 struct _wlan_adapter {
 209         /** STATUS variables */
 210         u8 fwreleasenumber[4];
 211         u32 fwcapinfo;
 212         /* protected with big lock */
 213
 214         struct mutex lock;
 215
 216         u8 tmptxbuf[WLAN_UPLD_SIZE];
 217         /* protected by hard_start_xmit serialization */
 218
 219         /** command-related variables */
 220         u16 seqnum;
 221         /* protected by big lock */
 222
 223         struct cmd_ctrl_node *cmd_array;
 224         /** Current command */
 225         struct cmd_ctrl_node *cur_cmd;
 226         int cur_cmd_retcode;
 227         /** command Queues */
 228         /** Free command buffers */
 229         struct list_head cmdfreeq;
 230         /** Pending command buffers */
 231         struct list_head cmdpendingq;
 232
 233         wait_queue_head_t cmd_pending;
 234         u8 nr_cmd_pending;
 235         /* command related variables protected by adapter->driver_lock */
 236
 237         /** Async and Sync Event variables */
 238         u32 intcounter;
 239         u32 eventcause;
 240         u8 nodename[16];        /* nickname */
 241
 242         /** spin locks */
 243         spinlock_t driver_lock;
 244
 245         /** Timers */
 246         struct timer_list command_timer;
 247
 248         /* TX queue used in PS mode */
 249         spinlock_t txqueue_lock;
 250         struct sk_buff *tx_queue_ps[NR_TX_QUEUE];
 251         unsigned int tx_queue_idx;
 252
 253         u8 hisregcpy;
 254
 255         /** current ssid/bssid related parameters*/
 256         struct current_bss_params curbssparams;
 257
 258         /* IW_MODE_* */
 259         u8 mode;
 260
 261         /* Scan results list */
 262         struct list_head network_list;
 263         struct list_head network_free_list;
 264         struct bss_descriptor *networks;
 265
 266         u8 adhoccreate;
 267
 268         /** capability Info used in Association, start, join */
 269         u16 capability;
 270
 271         /** MAC address information */
 272         u8 current_addr[ETH_ALEN];
 273         u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
 274         u32 nr_of_multicastmacaddr;
 275
 276         /** 802.11 statistics */
 277 //      struct cmd_DS_802_11_GET_STAT wlan802_11Stat;
 278
 279         u16 enablehwauto;
 280         u16 ratebitmap;
 281
 282         u32 fragthsd;
 283         u32 rtsthsd;
 284
 285         u8 txretrycount;
 286
 287         /** Tx-related variables (for single packet tx) */
 288         struct sk_buff *currenttxskb;
 289         u16 TxLockFlag;
 290
 291         /** NIC Operation characteristics */
 292         u16 currentpacketfilter;
 293         u32 connect_status;
 294         u16 regioncode;
 295         u16 txpowerlevel;
 296
 297         /** POWER MANAGEMENT AND PnP SUPPORT */
 298         u8 surpriseremoved;
 299
 300         u16 psmode;             /* Wlan802_11PowermodeCAM=disable
 301                                    Wlan802_11PowermodeMAX_PSP=enable */
 302         u32 psstate;
 303         u8 needtowakeup;
 304
 305         struct PS_CMD_ConfirmSleep libertas_ps_confirm_sleep;
 306
 307         struct assoc_request * pending_assoc_req;
 308         struct assoc_request * in_progress_assoc_req;
 309
 310         /** Encryption parameter */
 311         struct wlan_802_11_security secinfo;
 312
 313         /** WEP keys */
 314         struct enc_key wep_keys[4];
 315         u16 wep_tx_keyidx;
 316
 317         /** WPA keys */
 318         struct enc_key wpa_mcast_key;
 319         struct enc_key wpa_unicast_key;
 320
 321         /** WPA Information Elements*/
 322         u8 wpa_ie[MAX_WPA_IE_LEN];
 323         u8 wpa_ie_len;
 324
 325         /** Requested Signal Strength*/
 326         u16 SNR[MAX_TYPE_B][MAX_TYPE_AVG];
 327         u16 NF[MAX_TYPE_B][MAX_TYPE_AVG];
 328         u8 RSSI[MAX_TYPE_B][MAX_TYPE_AVG];
 329         u8 rawSNR[DEFAULT_DATA_AVG_FACTOR];
 330         u8 rawNF[DEFAULT_DATA_AVG_FACTOR];
 331         u16 nextSNRNF;
 332         u16 numSNRNF;
 333
 334         u8 radioon;
 335         u32 preamble;
 336
 337         /** data rate stuff */
 338         u8 cur_rate;
 339         u8 auto_rate;
 340
 341         /** sleep_params */
 342         struct sleep_params sp;
 343
 344         /** RF calibration data */
 345
 346 #define MAX_REGION_CHANNEL_NUM  2
 347         /** region channel data */
 348         struct region_channel region_channel[MAX_REGION_CHANNEL_NUM];
 349
 350         struct region_channel universal_channel[MAX_REGION_CHANNEL_NUM];
 351
 352         /** 11D and Domain Regulatory Data */
 353         struct wlan_802_11d_domain_reg domainreg;
 354         struct parsed_region_chan_11d parsed_region_chan;
 355
 356         /** FSM variable for 11d support */
 357         u32 enable11d;
 358
 359         /**     MISCELLANEOUS */
 360         u8 *prdeeprom;
 361         struct wlan_offset_value offsetvalue;
 362
 363         struct cmd_ds_802_11_get_log logmsg;
 364
 365         u32 monitormode;
 366         u8 fw_ready;
 367
 368         u8 last_scanned_channel;
 369 };
 370
 371 #endif                          /* _WLAN_DEV_H_ */