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
 107         char name[DEV_NAME_LEN];
 108
 109         void *card;
 110         wlan_adapter *adapter;
 111         struct net_device *dev;
 112
 113         struct net_device_stats stats;
 114         struct net_device *mesh_dev ; /* Virtual device */
 115
 116         struct iw_statistics wstats;
 117         struct wlan_mesh_stats mstats;
 118         struct dentry *debugfs_dir;
 119         struct dentry *debugfs_debug;
 120         struct dentry *debugfs_files[6];
 121
 122         struct dentry *events_dir;
 123         struct dentry *debugfs_events_files[6];
 124
 125         struct dentry *regs_dir;
 126         struct dentry *debugfs_regs_files[6];
 127
 128         u32 mac_offset;
 129         u32 bbp_offset;
 130         u32 rf_offset;
 131
 132         /** Upload length */
 133         u32 upld_len;
 134         /* Upload buffer */
 135         u8 upld_buf[WLAN_UPLD_SIZE];
 136         /* Download sent:
 137            bit0 1/0=data_sent/data_tx_done,
 138            bit1 1/0=cmd_sent/cmd_tx_done,
 139            all other bits reserved 0 */
 140         u8 dnld_sent;
 141
 142         const struct firmware *firmware;
 143         struct device *hotplug_device;
 144
 145         /** thread to service interrupts */
 146         struct task_struct *main_thread;
 147         wait_queue_head_t waitq;
 148
 149         struct delayed_work assoc_work;
 150         struct workqueue_struct *assoc_thread;
 151         struct work_struct sync_channel;
 152
 153         /** Hardware access */
 154         int (*hw_register_dev) (wlan_private * priv);
 155         int (*hw_unregister_dev) (wlan_private *);
 156         int (*hw_prog_firmware) (wlan_private *);
 157         int (*hw_host_to_card) (wlan_private * priv, u8 type, u8 * payload, u16 nb);
 158         int (*hw_get_int_status) (wlan_private * priv, u8 *);
 159         int (*hw_read_event_cause) (wlan_private *);
 160 };
 161
 162 /** Association request
 163  *
 164  * Encapsulates all the options that describe a specific assocation request
 165  * or configuration of the wireless card's radio, mode, and security settings.
 166  */
 167 struct assoc_request {
 168 #define ASSOC_FLAG_SSID                 1
 169 #define ASSOC_FLAG_CHANNEL              2
 170 #define ASSOC_FLAG_BAND                 3
 171 #define ASSOC_FLAG_MODE                 4
 172 #define ASSOC_FLAG_BSSID                5
 173 #define ASSOC_FLAG_WEP_KEYS             6
 174 #define ASSOC_FLAG_WEP_TX_KEYIDX        7
 175 #define ASSOC_FLAG_WPA_MCAST_KEY        8
 176 #define ASSOC_FLAG_WPA_UCAST_KEY        9
 177 #define ASSOC_FLAG_SECINFO              10
 178 #define ASSOC_FLAG_WPA_IE               11
 179         unsigned long flags;
 180
 181         u8 ssid[IW_ESSID_MAX_SIZE + 1];
 182         u8 ssid_len;
 183         u8 channel;
 184         u8 band;
 185         u8 mode;
 186         u8 bssid[ETH_ALEN];
 187
 188         /** WEP keys */
 189         struct enc_key wep_keys[4];
 190         u16 wep_tx_keyidx;
 191
 192         /** WPA keys */
 193         struct enc_key wpa_mcast_key;
 194         struct enc_key wpa_unicast_key;
 195
 196         struct wlan_802_11_security secinfo;
 197
 198         /** WPA Information Elements*/
 199         u8 wpa_ie[MAX_WPA_IE_LEN];
 200         u8 wpa_ie_len;
 201
 202         /* BSS to associate with for infrastructure of Ad-Hoc join */
 203         struct bss_descriptor bss;
 204 };
 205
 206 /** Wlan adapter data structure*/
 207 struct _wlan_adapter {
 208         /** STATUS variables */
 209         u8 fwreleasenumber[4];
 210         u32 fwcapinfo;
 211         /* protected with big lock */
 212
 213         struct mutex lock;
 214
 215         u8 tmptxbuf[WLAN_UPLD_SIZE];
 216         /* protected by hard_start_xmit serialization */
 217
 218         /** command-related variables */
 219         u16 seqnum;
 220         /* protected by big lock */
 221
 222         struct cmd_ctrl_node *cmd_array;
 223         /** Current command */
 224         struct cmd_ctrl_node *cur_cmd;
 225         int cur_cmd_retcode;
 226         /** command Queues */
 227         /** Free command buffers */
 228         struct list_head cmdfreeq;
 229         /** Pending command buffers */
 230         struct list_head cmdpendingq;
 231
 232         wait_queue_head_t cmd_pending;
 233         u8 nr_cmd_pending;
 234         /* command related variables protected by adapter->driver_lock */
 235
 236         /** Async and Sync Event variables */
 237         u32 intcounter;
 238         u32 eventcause;
 239         u8 nodename[16];        /* nickname */
 240
 241         /** spin locks */
 242         spinlock_t driver_lock;
 243
 244         /** Timers */
 245         struct timer_list command_timer;
 246
 247         /* TX queue used in PS mode */
 248         spinlock_t txqueue_lock;
 249         struct sk_buff *tx_queue_ps[NR_TX_QUEUE];
 250         unsigned int tx_queue_idx;
 251
 252         u8 hisregcpy;
 253
 254         /** current ssid/bssid related parameters*/
 255         struct current_bss_params curbssparams;
 256
 257         /* IW_MODE_* */
 258         u8 mode;
 259
 260         /* Scan results list */
 261         struct list_head network_list;
 262         struct list_head network_free_list;
 263         struct bss_descriptor *networks;
 264
 265         u8 scantype;
 266         u32 scanmode;
 267
 268         u16 beaconperiod;
 269         u8 adhoccreate;
 270
 271         /** capability Info used in Association, start, join */
 272         u16 capability;
 273
 274         /** MAC address information */
 275         u8 current_addr[ETH_ALEN];
 276         u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
 277         u32 nr_of_multicastmacaddr;
 278
 279         /** 802.11 statistics */
 280 //      struct cmd_DS_802_11_GET_STAT wlan802_11Stat;
 281
 282         u16 enablehwauto;
 283         u16 ratebitmap;
 284
 285         u32 fragthsd;
 286         u32 rtsthsd;
 287
 288         u8 txretrycount;
 289
 290         /** Tx-related variables (for single packet tx) */
 291         struct sk_buff *currenttxskb;
 292         u16 TxLockFlag;
 293
 294         /** NIC Operation characteristics */
 295         u16 currentpacketfilter;
 296         u32 connect_status;
 297         u16 regioncode;
 298         u16 txpowerlevel;
 299
 300         /** POWER MANAGEMENT AND PnP SUPPORT */
 301         u8 surpriseremoved;
 302
 303         u16 psmode;             /* Wlan802_11PowermodeCAM=disable
 304                                    Wlan802_11PowermodeMAX_PSP=enable */
 305         u32 psstate;
 306         u8 needtowakeup;
 307
 308         struct PS_CMD_ConfirmSleep libertas_ps_confirm_sleep;
 309
 310         struct assoc_request * pending_assoc_req;
 311         struct assoc_request * in_progress_assoc_req;
 312
 313         /** Encryption parameter */
 314         struct wlan_802_11_security secinfo;
 315
 316         /** WEP keys */
 317         struct enc_key wep_keys[4];
 318         u16 wep_tx_keyidx;
 319
 320         /** WPA keys */
 321         struct enc_key wpa_mcast_key;
 322         struct enc_key wpa_unicast_key;
 323
 324         /** WPA Information Elements*/
 325         u8 wpa_ie[MAX_WPA_IE_LEN];
 326         u8 wpa_ie_len;
 327
 328         /** Requested Signal Strength*/
 329         u16 SNR[MAX_TYPE_B][MAX_TYPE_AVG];
 330         u16 NF[MAX_TYPE_B][MAX_TYPE_AVG];
 331         u8 RSSI[MAX_TYPE_B][MAX_TYPE_AVG];
 332         u8 rawSNR[DEFAULT_DATA_AVG_FACTOR];
 333         u8 rawNF[DEFAULT_DATA_AVG_FACTOR];
 334         u16 nextSNRNF;
 335         u16 numSNRNF;
 336
 337         u8 radioon;
 338         u32 preamble;
 339
 340         /** data rate stuff */
 341         u8 cur_rate;
 342         u8 auto_rate;
 343
 344         /** sleep_params */
 345         struct sleep_params sp;
 346
 347         /** RF calibration data */
 348
 349 #define MAX_REGION_CHANNEL_NUM  2
 350         /** region channel data */
 351         struct region_channel region_channel[MAX_REGION_CHANNEL_NUM];
 352
 353         struct region_channel universal_channel[MAX_REGION_CHANNEL_NUM];
 354
 355         /** 11D and Domain Regulatory Data */
 356         struct wlan_802_11d_domain_reg domainreg;
 357         struct parsed_region_chan_11d parsed_region_chan;
 358
 359         /** FSM variable for 11d support */
 360         u32 enable11d;
 361
 362         /**     MISCELLANEOUS */
 363         u8 *prdeeprom;
 364         struct wlan_offset_value offsetvalue;
 365
 366         struct cmd_ds_802_11_get_log logmsg;
 367
 368         u32 linkmode;
 369         u32 radiomode;
 370         u8 fw_ready;
 371
 372         u8 last_scanned_channel;
 373 };
 374
 375 #endif                          /* _WLAN_DEV_H_ */