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 struct lbs_private..
   5   */
   6 #ifndef _LBS_DEV_H_
   7 #define _LBS_DEV_H_
   8
   9 #include <linux/netdevice.h>
  10 #include <linux/wireless.h>
  11 #include <linux/ethtool.h>
  12 #include <linux/debugfs.h>
  13
  14 #include "defs.h"
  15 #include "hostcmd.h"
  16
  17 extern const struct ethtool_ops lbs_ethtool_ops;
  18
  19 #define MAX_BSSID_PER_CHANNEL           16
  20
  21 #define NR_TX_QUEUE                     3
  22
  23 /* For the extended Scan */
  24 #define MAX_EXTENDED_SCAN_BSSID_LIST    MAX_BSSID_PER_CHANNEL * \
  25                                                 MRVDRV_MAX_CHANNEL_SIZE + 1
  26
  27 #define MAX_REGION_CHANNEL_NUM  2
  28
  29 /** Chan-freq-TxPower mapping table*/
  30 struct chan_freq_power {
  31         /** channel Number              */
  32         u16 channel;
  33         /** frequency of this channel   */
  34         u32 freq;
  35         /** Max allowed Tx power level  */
  36         u16 maxtxpower;
  37         /** TRUE:channel unsupported;  FLASE:supported*/
  38         u8 unsupported;
  39 };
  40
  41 /** region-band mapping table*/
  42 struct region_channel {
  43         /** TRUE if this entry is valid              */
  44         u8 valid;
  45         /** region code for US, Japan ...            */
  46         u8 region;
  47         /** band B/G/A, used for BAND_CONFIG cmd             */
  48         u8 band;
  49         /** Actual No. of elements in the array below */
  50         u8 nrcfp;
  51         /** chan-freq-txpower mapping table*/
  52         struct chan_freq_power *CFP;
  53 };
  54
  55 struct lbs_802_11_security {
  56         u8 WPAenabled;
  57         u8 WPA2enabled;
  58         u8 wep_enabled;
  59         u8 auth_mode;
  60         u32 key_mgmt;
  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         uint16_t sp_error;
  82         uint16_t sp_offset;
  83         uint16_t sp_stabletime;
  84         uint8_t  sp_calcontrol;
  85         uint8_t  sp_extsleepclk;
  86         uint16_t sp_reserved;
  87 };
  88
  89 /* Mesh statistics */
  90 struct lbs_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 lbs_private {
 103         int mesh_open;
 104         int mesh_fw_ver;
 105         int infra_open;
 106         int mesh_autostart_enabled;
 107
 108         char name[DEV_NAME_LEN];
 109
 110         void *card;
 111         struct net_device *dev;
 112
 113         struct net_device *mesh_dev; /* Virtual device */
 114         struct net_device *rtap_net_dev;
 115
 116         struct iw_statistics wstats;
 117         struct lbs_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         /* Download sent:
 133            bit0 1/0=data_sent/data_tx_done,
 134            bit1 1/0=cmd_sent/cmd_tx_done,
 135            all other bits reserved 0 */
 136         u8 dnld_sent;
 137
 138         /** thread to service interrupts */
 139         struct task_struct *main_thread;
 140         wait_queue_head_t waitq;
 141         struct workqueue_struct *work_thread;
 142
 143         struct work_struct mcast_work;
 144
 145         /** Scanning */
 146         struct delayed_work scan_work;
 147         struct delayed_work assoc_work;
 148         struct work_struct sync_channel;
 149         /* remember which channel was scanned last, != 0 if currently scanning */
 150         int scan_channel;
 151         u8 scan_ssid[IW_ESSID_MAX_SIZE + 1];
 152         u8 scan_ssid_len;
 153
 154         /** Hardware access */
 155         int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
 156         void (*reset_card) (struct lbs_private *priv);
 157
 158         /* Wake On LAN */
 159         uint32_t wol_criteria;
 160         uint8_t wol_gpio;
 161         uint8_t wol_gap;
 162
 163         /** Wlan adapter data structure*/
 164         /** STATUS variables */
 165         u32 fwrelease;
 166         u32 fwcapinfo;
 167
 168         struct mutex lock;
 169
 170         /* TX packet ready to be sent... */
 171         int tx_pending_len;             /* -1 while building packet */
 172
 173         u8 tx_pending_buf[LBS_UPLD_SIZE];
 174         /* protected by hard_start_xmit serialization */
 175
 176         /** command-related variables */
 177         u16 seqnum;
 178
 179         struct cmd_ctrl_node *cmd_array;
 180         /** Current command */
 181         struct cmd_ctrl_node *cur_cmd;
 182         int cur_cmd_retcode;
 183         /** command Queues */
 184         /** Free command buffers */
 185         struct list_head cmdfreeq;
 186         /** Pending command buffers */
 187         struct list_head cmdpendingq;
 188
 189         wait_queue_head_t cmd_pending;
 190
 191         /* Command responses sent from the hardware to the driver */
 192         u8 resp_idx;
 193         u8 resp_buf[2][LBS_UPLD_SIZE];
 194         u32 resp_len[2];
 195
 196         /* Events sent from hardware to driver */
 197         struct kfifo *event_fifo;
 198
 199         /* nickname */
 200         u8 nodename[16];
 201
 202         /** spin locks */
 203         spinlock_t driver_lock;
 204
 205         /** Timers */
 206         struct timer_list command_timer;
 207         int nr_retries;
 208         int cmd_timed_out;
 209
 210         /** current ssid/bssid related parameters*/
 211         struct current_bss_params curbssparams;
 212
 213         uint16_t mesh_tlv;
 214         u8 mesh_ssid[IW_ESSID_MAX_SIZE + 1];
 215         u8 mesh_ssid_len;
 216
 217         /* IW_MODE_* */
 218         u8 mode;
 219
 220         /* Scan results list */
 221         struct list_head network_list;
 222         struct list_head network_free_list;
 223         struct bss_descriptor *networks;
 224
 225         u16 beacon_period;
 226         u8 beacon_enable;
 227         u8 adhoccreate;
 228
 229         /** capability Info used in Association, start, join */
 230         u16 capability;
 231
 232         /** MAC address information */
 233         u8 current_addr[ETH_ALEN];
 234         u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
 235         u32 nr_of_multicastmacaddr;
 236
 237         /** 802.11 statistics */
 238 //      struct cmd_DS_802_11_GET_STAT wlan802_11Stat;
 239
 240         uint16_t enablehwauto;
 241         uint16_t ratebitmap;
 242
 243         u8 txretrycount;
 244
 245         /** Tx-related variables (for single packet tx) */
 246         struct sk_buff *currenttxskb;
 247
 248         /** NIC Operation characteristics */
 249         u16 mac_control;
 250         u32 connect_status;
 251         u32 mesh_connect_status;
 252         u16 regioncode;
 253         s16 txpower_cur;
 254         s16 txpower_min;
 255         s16 txpower_max;
 256
 257         /** POWER MANAGEMENT AND PnP SUPPORT */
 258         u8 surpriseremoved;
 259
 260         u16 psmode;             /* Wlan802_11PowermodeCAM=disable
 261                                    Wlan802_11PowermodeMAX_PSP=enable */
 262         u32 psstate;
 263         u8 needtowakeup;
 264
 265         struct assoc_request * pending_assoc_req;
 266         struct assoc_request * in_progress_assoc_req;
 267
 268         /** Encryption parameter */
 269         struct lbs_802_11_security secinfo;
 270
 271         /** WEP keys */
 272         struct enc_key wep_keys[4];
 273         u16 wep_tx_keyidx;
 274
 275         /** WPA keys */
 276         struct enc_key wpa_mcast_key;
 277         struct enc_key wpa_unicast_key;
 278
 279 /*
 280  * In theory, the IE is limited to the IE length, 255,
 281  * but in practice 64 bytes are enough.
 282  */
 283 #define MAX_WPA_IE_LEN 64
 284
 285         /** WPA Information Elements*/
 286         u8 wpa_ie[MAX_WPA_IE_LEN];
 287         u8 wpa_ie_len;
 288
 289         /** Requested Signal Strength*/
 290         u16 SNR[MAX_TYPE_B][MAX_TYPE_AVG];
 291         u16 NF[MAX_TYPE_B][MAX_TYPE_AVG];
 292         u8 RSSI[MAX_TYPE_B][MAX_TYPE_AVG];
 293         u8 rawSNR[DEFAULT_DATA_AVG_FACTOR];
 294         u8 rawNF[DEFAULT_DATA_AVG_FACTOR];
 295         u16 nextSNRNF;
 296         u16 numSNRNF;
 297
 298         u8 radio_on;
 299
 300         /** data rate stuff */
 301         u8 cur_rate;
 302
 303         /** RF calibration data */
 304
 305 #define MAX_REGION_CHANNEL_NUM  2
 306         /** region channel data */
 307         struct region_channel region_channel[MAX_REGION_CHANNEL_NUM];
 308
 309         struct region_channel universal_channel[MAX_REGION_CHANNEL_NUM];
 310
 311         /** 11D and Domain Regulatory Data */
 312         struct lbs_802_11d_domain_reg domainreg;
 313         struct parsed_region_chan_11d parsed_region_chan;
 314
 315         /** FSM variable for 11d support */
 316         u32 enable11d;
 317
 318         /**     MISCELLANEOUS */
 319         struct lbs_offset_value offsetvalue;
 320
 321         u32 monitormode;
 322         u8 fw_ready;
 323 };
 324
 325 extern struct cmd_confirm_sleep confirm_sleep;
 326
 327 /**
 328  *  @brief Structure used to store information for each beacon/probe response
 329  */
 330 struct bss_descriptor {
 331         u8 bssid[ETH_ALEN];
 332
 333         u8 ssid[IW_ESSID_MAX_SIZE + 1];
 334         u8 ssid_len;
 335
 336         u16 capability;
 337         u32 rssi;
 338         u32 channel;
 339         u16 beaconperiod;
 340         __le16 atimwindow;
 341
 342         /* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
 343         u8 mode;
 344
 345         /* zero-terminated array of supported data rates */
 346         u8 rates[MAX_RATES + 1];
 347
 348         unsigned long last_scanned;
 349
 350         union ieee_phy_param_set phy;
 351         union ieee_ss_param_set ss;
 352
 353         struct ieee_ie_country_info_full_set countryinfo;
 354
 355         u8 wpa_ie[MAX_WPA_IE_LEN];
 356         size_t wpa_ie_len;
 357         u8 rsn_ie[MAX_WPA_IE_LEN];
 358         size_t rsn_ie_len;
 359
 360         u8 mesh;
 361
 362         struct list_head list;
 363 };
 364
 365 /** Association request
 366  *
 367  * Encapsulates all the options that describe a specific assocation request
 368  * or configuration of the wireless card's radio, mode, and security settings.
 369  */
 370 struct assoc_request {
 371 #define ASSOC_FLAG_SSID                 1
 372 #define ASSOC_FLAG_CHANNEL              2
 373 #define ASSOC_FLAG_BAND                 3
 374 #define ASSOC_FLAG_MODE                 4
 375 #define ASSOC_FLAG_BSSID                5
 376 #define ASSOC_FLAG_WEP_KEYS             6
 377 #define ASSOC_FLAG_WEP_TX_KEYIDX        7
 378 #define ASSOC_FLAG_WPA_MCAST_KEY        8
 379 #define ASSOC_FLAG_WPA_UCAST_KEY        9
 380 #define ASSOC_FLAG_SECINFO              10
 381 #define ASSOC_FLAG_WPA_IE               11
 382         unsigned long flags;
 383
 384         u8 ssid[IW_ESSID_MAX_SIZE + 1];
 385         u8 ssid_len;
 386         u8 channel;
 387         u8 band;
 388         u8 mode;
 389         u8 bssid[ETH_ALEN] __attribute__ ((aligned (2)));
 390
 391         /** WEP keys */
 392         struct enc_key wep_keys[4];
 393         u16 wep_tx_keyidx;
 394
 395         /** WPA keys */
 396         struct enc_key wpa_mcast_key;
 397         struct enc_key wpa_unicast_key;
 398
 399         struct lbs_802_11_security secinfo;
 400
 401         /** WPA Information Elements*/
 402         u8 wpa_ie[MAX_WPA_IE_LEN];
 403         u8 wpa_ie_len;
 404
 405         /* BSS to associate with for infrastructure of Ad-Hoc join */
 406         struct bss_descriptor bss;
 407 };
 408
 409 #endif