text: #ifndef RAYLINK_H
  
  typedef unsigned char UCHAR;
  
  /****** IEEE 802.11 constants ************************************************/
  #define ADDRLEN           6
  /* Frame control 1 bit fields */
  #define PROTOCOL_VER      0x00
  #define DATA_TYPE         0x08
  #define ASSOC_REQ_TYPE    0x00
  #define ASSOC_RESP_TYPE   0x10
  #define REASSOC_REQ_TYPE  0x20
  #define REASSOC_RESP_TYPE 0x30
  #define NULL_MSG_TYPE     0x48
  #define BEACON_TYPE       0x80
  #define DISASSOC_TYPE     0xA0
  #define PSPOLL_TYPE       0xA4
  #define AUTHENTIC_TYPE    0xB0
  #define DEAUTHENTIC_TYPE  0xC0
  /* Frame control 2 bit fields */
  #define FC2_TO_DS         0x01
  #define FC2_FROM_DS       0x02
  #define FC2_MORE_FRAG     0x04
  #define FC2_RETRY         0x08
  #define FC2_PSM           0x10
  #define FC2_MORE_DATA     0x20
  #define FC2_WEP           0x40
  #define FC2_ORDER         0x80
  /*****************************************************************************/
  /* 802.11 element ID's and lengths */
  #define C_BP_CAPABILITY_ESS             0x01
  #define C_BP_CAPABILITY_IBSS            0x02
  #define C_BP_CAPABILITY_CF_POLLABLE     0x04
  #define C_BP_CAPABILITY_CF_POLL_REQUEST 0x08
  #define C_BP_CAPABILITY_PRIVACY         0x10
  
  #define C_ESSID_ELEMENT_ID               0
  #define C_ESSID_ELEMENT_MAX_LENGTH       32
  
  #define C_SUPPORTED_RATES_ELEMENT_ID     1
  #define C_SUPPORTED_RATES_ELEMENT_LENGTH 2
  
  #define C_FH_PARAM_SET_ELEMENT_ID        2
  #define C_FH_PARAM_SET_ELEMENT_LNGTH     5
  
  #define C_CF_PARAM_SET_ELEMENT_ID        4
  #define C_CF_PARAM_SET_ELEMENT_LNGTH     6
  
  #define C_TIM_ELEMENT_ID                 5
  #define C_TIM_BITMAP_LENGTH            251
  #define C_TIM_BMCAST_BIT              0x01
  
  #define C_IBSS_ELEMENT_ID                6
  #define C_IBSS_ELEMENT_LENGTH            2
  
  #define C_JAPAN_CALL_SIGN_ELEMENT_ID    51
  #define C_JAPAN_CALL_SIGN_ELEMENT_LNGTH 12
  
  #define C_DISASSOC_REASON_CODE_LEN       2
  #define C_DISASSOC_REASON_CODE_DEFAULT   8
  
  #define C_CRC_LEN                        4
  #define C_NUM_SUPPORTED_RATES            8 
  /****** IEEE 802.11 mac header for type data packets *************************/
  struct mac_header {
    UCHAR frame_ctl_1;                          
    UCHAR frame_ctl_2;
    UCHAR duration_lsb;
    UCHAR duration_msb;
    UCHAR addr_1[ADDRLEN];
    UCHAR addr_2[ADDRLEN];
    UCHAR addr_3[ADDRLEN];
    UCHAR seq_frag_num[2];
  /*  UCHAR addr_4[ADDRLEN]; *//* only present for AP to AP (TO DS and FROM DS */
  };
  /****** IEEE 802.11 frame element structures *********************************/
  struct essid_element
  {
    UCHAR id;
    UCHAR length;
    UCHAR text[C_ESSID_ELEMENT_MAX_LENGTH];
  };
  struct rates_element
  {
    UCHAR id;
    UCHAR length;
    UCHAR value[8];
  };
  struct freq_hop_element
  {
    UCHAR id;
    UCHAR length;
    UCHAR dwell_time[2];
    UCHAR hop_set;
    UCHAR hop_pattern;
    UCHAR hop_index;
  };
  struct tim_element
  {
    UCHAR id;
    UCHAR length;
    UCHAR dtim_count;
    UCHAR dtim_period;    
    UCHAR bitmap_control;
    UCHAR tim[C_TIM_BITMAP_LENGTH];
  };
  struct ibss_element
  {
    UCHAR id;
    UCHAR length;
    UCHAR atim_window[2];
  };
  struct japan_call_sign_element
  {
    UCHAR id;
    UCHAR length;
    UCHAR call_sign[12];
  };
  /****** Beacon message structures ********************************************/
  /* .elements is a large lump of max size because elements are variable size  */
  struct infra_beacon
  {
      UCHAR timestamp[8];
      UCHAR beacon_intvl[2];
      UCHAR capability[2];
      UCHAR elements[sizeof(struct essid_element) 
                    + sizeof(struct rates_element)
                    + sizeof(struct freq_hop_element) 
                    + sizeof(struct japan_call_sign_element)
                    + sizeof(struct tim_element)];
  };
  struct adhoc_beacon
  {
      UCHAR timestamp[8];
      UCHAR beacon_intvl[2];
      UCHAR capability[2];
      UCHAR elements[sizeof(struct essid_element) 
                    + sizeof(struct rates_element)
                    + sizeof(struct freq_hop_element) 
                    + sizeof(struct japan_call_sign_element)
                    + sizeof(struct ibss_element)];
  };
  /*****************************************************************************/
  /*****************************************************************************/
  /* #define C_MAC_HDR_2_WEP 0x40 */
  /* TX/RX CCS constants */
  #define TX_HEADER_LENGTH 0x1C
  #define RX_MAC_HEADER_LENGTH 0x18
  #define TX_AUTHENTICATE_LENGTH (TX_HEADER_LENGTH + 6)
  #define TX_AUTHENTICATE_LENGTH_MSB (TX_AUTHENTICATE_LENGTH >> 8)
  #define TX_AUTHENTICATE_LENGTH_LSB (TX_AUTHENTICATE_LENGTH & 0xff)
  #define TX_DEAUTHENTICATE_LENGTH (TX_HEADER_LENGTH + 2)
  #define TX_DEAUTHENTICATE_LENGTH_MSB (TX_AUTHENTICATE_LENGTH >> 8)
  #define TX_DEAUTHENTICATE_LENGTH_LSB (TX_AUTHENTICATE_LENGTH & 0xff)
  #define FCS_LEN           4
  
  #define ADHOC                 0
  #define INFRA                 1
  
  #define TYPE_STA              0
  #define TYPE_AP               1
  
  #define PASSIVE_SCAN          1
  #define ACTIVE_SCAN           1
  
  #define PSM_CAM               0
  
  /* Country codes */
  #define USA                   1
  #define EUROPE                2
  #define JAPAN                 3
  #define KOREA                 4
  #define SPAIN                 5
  #define FRANCE                6
  #define ISRAEL                7
  #define AUSTRALIA             8
  #define JAPAN_TEST            9
  
  /* Hop pattern lengths */
  #define USA_HOP_MOD          79 
  #define EUROPE_HOP_MOD       79 
  #define JAPAN_HOP_MOD        23
  #define KOREA_HOP_MOD        23
  #define SPAIN_HOP_MOD        27
  #define FRANCE_HOP_MOD       35
  #define ISRAEL_HOP_MOD       35
  #define AUSTRALIA_HOP_MOD    47
  #define JAPAN_TEST_HOP_MOD   23
  
  #define ESSID_SIZE           32
  /**********************************************************************/
  /* CIS Register Constants */
  #define CIS_OFFSET             0x0f00
  /* Configuration Option Register (0x0F00) */
  #define COR_OFFSET             0x00
  #define COR_SOFT_RESET         0x80
  #define COR_LEVEL_IRQ          0x40
  #define COR_CONFIG_NUM         0x01
  #define COR_DEFAULT            (COR_LEVEL_IRQ | COR_CONFIG_NUM)
  
  /* Card Configuration and Status Register (0x0F01) */
  #define CCSR_OFFSET            0x01
  #define CCSR_HOST_INTR_PENDING 0x01
  #define CCSR_POWER_DOWN        0x04
  
  /* HCS Interrupt Register (0x0F05) */
  #define HCS_INTR_OFFSET        0x05
  /* #define HCS_INTR_OFFSET        0x0A */
  #define HCS_INTR_CLEAR         0x00
  
  /* ECF Interrupt Register (0x0F06) */
  #define ECF_INTR_OFFSET        0x06
  /* #define ECF_INTR_OFFSET        0x0C */
  #define ECF_INTR_SET           0x01
  
  /* Authorization Register 0 (0x0F08) */
  #define AUTH_0_ON              0x57
  
  /* Authorization Register 1 (0x0F09) */
  #define AUTH_1_ON              0x82
  
  /* Program Mode Register (0x0F0A) */
  #define PC2PM                  0x02
  #define PC2CAL                 0x10
  #define PC2MLSE                0x20
  
  /* PC Test Mode Register (0x0F0B) */
  #define PC_TEST_MODE           0x08
  
  /* Frequency Control Word (0x0F10) */
  /* Range 0x02 - 0xA6 */
  
  /* Test Mode Control 1-4 (0x0F14 - 0x0F17) */
  
  /**********************************************************************/
  
  /* Shared RAM Area */
  #define SCB_BASE               0x0000
  #define STATUS_BASE            0x0100
  #define HOST_TO_ECF_BASE       0x0200
  #define ECF_TO_HOST_BASE       0x0300
  #define CCS_BASE               0x0400
  #define RCS_BASE               0x0800
  #define INFRA_TIM_BASE         0x0C00
  #define SSID_LIST_BASE         0x0D00
  #define TX_BUF_BASE            0x1000
  #define RX_BUF_BASE            0x8000
  
  #define NUMBER_OF_CCS    64
  #define NUMBER_OF_RCS    64
  /*#define NUMBER_OF_TX_CCS 14 */
  #define NUMBER_OF_TX_CCS 14
  
  #define TX_BUF_SIZE      (2048 - sizeof(struct tx_msg))
  #define RX_BUFF_END      0x3FFF
  /* Values for buffer_status */
  #define CCS_BUFFER_FREE       0
  #define CCS_BUFFER_BUSY       1
  #define CCS_COMMAND_COMPLETE  2
  #define CCS_COMMAND_FAILED    3
  
  /* Values for cmd */
  #define CCS_DOWNLOAD_STARTUP_PARAMS    1
  #define CCS_UPDATE_PARAMS              2
  #define CCS_REPORT_PARAMS              3
  #define CCS_UPDATE_MULTICAST_LIST      4
  #define CCS_UPDATE_POWER_SAVINGS_MODE  5
  #define CCS_START_NETWORK              6
  #define CCS_JOIN_NETWORK               7
  #define CCS_START_ASSOCIATION          8
  #define CCS_TX_REQUEST                 9
  #define CCS_TEST_MEMORY              0xa
  #define CCS_SHUTDOWN                 0xb
  #define CCS_DUMP_MEMORY              0xc
  #define CCS_START_TIMER              0xe
  #define CCS_LAST_CMD                 CCS_START_TIMER
  
  /* Values for link field */
  #define CCS_END_LIST                 0xff
  
  /* values for buffer_status field */
  #define RCS_BUFFER_FREE       0
  #define RCS_BUFFER_BUSY       1
  #define RCS_COMPLETE          2
  #define RCS_FAILED            3
  #define RCS_BUFFER_RELEASE    0xFF
  
  /* values for interrupt_id field */
  #define PROCESS_RX_PACKET           0x80 /* */
  #define REJOIN_NET_COMPLETE         0x81 /* RCS ID: Rejoin Net Complete */
  #define ROAMING_INITIATED           0x82 /* RCS ID: Roaming Initiated   */
  #define JAPAN_CALL_SIGN_RXD         0x83 /* RCS ID: New Japan Call Sign */
  
  /*****************************************************************************/
  /* Memory types for dump memory command */
  #define C_MEM_PROG  0
  #define C_MEM_XDATA 1
  #define C_MEM_SFR   2
  #define C_MEM_IDATA 3
  
  /*** Return values for hw_xmit **********/
  #define XMIT_OK        (0)
  #define XMIT_MSG_BAD   (-1)
  #define XMIT_NO_CCS    (-2)
  #define XMIT_NO_INTR   (-3)
  #define XMIT_NEED_AUTH (-4)
  
  /*** Values for card status */
  #define CARD_INSERTED       (0)
  
  #define CARD_AWAITING_PARAM (1)
  #define CARD_INIT_ERROR     (11)
  
  #define CARD_DL_PARAM       (2)
  #define CARD_DL_PARAM_ERROR (12)
  
  #define CARD_DOING_ACQ      (3)
  
  #define CARD_ACQ_COMPLETE   (4)
  #define CARD_ACQ_FAILED     (14)
  
  #define CARD_AUTH_COMPLETE  (5)
  #define CARD_AUTH_REFUSED   (15)
  
  #define CARD_ASSOC_COMPLETE (6)
  #define CARD_ASSOC_FAILED   (16)
  
  /*** Values for authentication_state ***********************************/
  #define UNAUTHENTICATED     (0)
  #define AWAITING_RESPONSE   (1)
  #define AUTHENTICATED       (2)
  #define NEED_TO_AUTH        (3)
  
  /*** Values for authentication type ************************************/
  #define OPEN_AUTH_REQUEST   (1)
  #define OPEN_AUTH_RESPONSE  (2)
  #define BROADCAST_DEAUTH    (0xc0)
  /*** Values for timer functions ****************************************/
  #define TODO_NOTHING              (0)
  #define TODO_VERIFY_DL_START      (-1)
  #define TODO_START_NET            (-2)
  #define TODO_JOIN_NET             (-3)
  #define TODO_AUTHENTICATE_TIMEOUT (-4)
  #define TODO_SEND_CCS             (-5)
  /***********************************************************************/
  /* Parameter passing structure for update/report parameter CCS's */
  struct object_id {
      void          *object_addr;
      unsigned char object_length;
  };
  
  #define OBJID_network_type            0
  #define OBJID_acting_as_ap_status     1
  #define OBJID_current_ess_id          2
  #define OBJID_scanning_mode           3
  #define OBJID_power_mgt_state         4
  #define OBJID_mac_address             5
  #define OBJID_frag_threshold          6
  #define OBJID_hop_time                7
  #define OBJID_beacon_period           8
  #define OBJID_dtim_period             9
  #define OBJID_retry_max              10
  #define OBJID_ack_timeout            11
  #define OBJID_sifs                   12
  #define OBJID_difs                   13
  #define OBJID_pifs                   14
  #define OBJID_rts_threshold          15
  #define OBJID_scan_dwell_time        16
  #define OBJID_max_scan_dwell_time    17
  #define OBJID_assoc_resp_timeout     18
  #define OBJID_adhoc_scan_cycle_max   19
  #define OBJID_infra_scan_cycle_max   20
  #define OBJID_infra_super_cycle_max  21
  #define OBJID_promiscuous_mode       22
  #define OBJID_unique_word            23
  #define OBJID_slot_time              24
  #define OBJID_roaming_low_snr        25
  #define OBJID_low_snr_count_thresh   26
  #define OBJID_infra_missed_bcn       27
  #define OBJID_adhoc_missed_bcn       28
  #define OBJID_curr_country_code      29
  #define OBJID_hop_pattern            30
  #define OBJID_reserved               31
  #define OBJID_cw_max_msb             32
  #define OBJID_cw_min_msb             33
  #define OBJID_noise_filter_gain      34
  #define OBJID_noise_limit_offset     35
  #define OBJID_det_rssi_thresh_offset 36
  #define OBJID_med_busy_thresh_offset 37
  #define OBJID_det_sync_thresh        38
  #define OBJID_test_mode              39
  #define OBJID_test_min_chan_num      40
  #define OBJID_test_max_chan_num      41
  #define OBJID_allow_bcast_ID_prbrsp  42
  #define OBJID_privacy_must_start     43
  #define OBJID_privacy_can_join       44
  #define OBJID_basic_rate_set         45
  
  /**** Configuration/Status/Control Area ***************************/
  /*    System Control Block (SCB) Area
   *    Located at Shared RAM offset 0
   */
  struct scb {
      UCHAR ccs_index;
      UCHAR rcs_index;
  };
  
  /****** Status area at Shared RAM offset 0x0100 ******************************/
  struct status {
      UCHAR mrx_overflow_for_host;         /* 0=ECF may write, 1=host may write*/
      UCHAR mrx_checksum_error_for_host;   /* 0=ECF may write, 1=host may write*/
      UCHAR rx_hec_error_for_host;         /* 0=ECF may write, 1=host may write*/
      UCHAR reserved1;
      short mrx_overflow;                  /* ECF increments on rx overflow    */
      short mrx_checksum_error;            /* ECF increments on rx CRC error   */
      short rx_hec_error;                  /* ECF incs on mac header CRC error */
      UCHAR rxnoise;                       /* Average RSL measurement          */
  };
  
  /****** Host-to-ECF Data Area at Shared RAM offset 0x200 *********************/
  struct host_to_ecf_area {
      
  };
  
  /****** ECF-to-Host Data Area at Shared RAM offset 0x0300 ********************/
  struct startup_res_518 {
      UCHAR startup_word;
      UCHAR station_addr[ADDRLEN];
      UCHAR calc_prog_chksum;
      UCHAR calc_cis_chksum;
      UCHAR ecf_spare[7];
      UCHAR japan_call_sign[12];
  };
  
  struct startup_res_6 {
      UCHAR startup_word;
      UCHAR station_addr[ADDRLEN];
      UCHAR reserved;
      UCHAR supp_rates[8];
      UCHAR japan_call_sign[12];
      UCHAR calc_prog_chksum;
      UCHAR calc_cis_chksum;
      UCHAR firmware_version[3];
      UCHAR asic_version;
      UCHAR tib_length;
  };
  
  struct start_join_net_params {
      UCHAR net_type;
      UCHAR ssid[ESSID_SIZE];
      UCHAR reserved;
      UCHAR privacy_can_join;
  };
  
  /****** Command Control Structure area at Shared ram offset 0x0400 ***********/
  /* Structures for command specific parameters (ccs.var) */
  struct update_param_cmd {
      UCHAR object_id;
      UCHAR number_objects;
      UCHAR failure_cause;
  };
  struct report_param_cmd {
      UCHAR object_id;
      UCHAR number_objects;
      UCHAR failure_cause;
      UCHAR length;
  };
  struct start_network_cmd {
      UCHAR update_param;
      UCHAR bssid[ADDRLEN];
      UCHAR net_initiated;
      UCHAR net_default_tx_rate;
      UCHAR encryption;
  };
  struct join_network_cmd {
      UCHAR update_param;
      UCHAR bssid[ADDRLEN];
      UCHAR net_initiated;
      UCHAR net_default_tx_rate;
      UCHAR encryption;
  };
  struct tx_requested_cmd {
   
      UCHAR tx_data_ptr[2];
      UCHAR tx_data_length[2];
      UCHAR host_reserved[2];
      UCHAR reserved[3];
      UCHAR tx_rate;
      UCHAR pow_sav_mode;
      UCHAR retries;
      UCHAR antenna;
  };
  struct tx_requested_cmd_4 {
   
      UCHAR tx_data_ptr[2];
      UCHAR tx_data_length[2];
      UCHAR dest_addr[ADDRLEN];
      UCHAR pow_sav_mode;
      UCHAR retries;
      UCHAR station_id;
  };
  struct memory_dump_cmd {
      UCHAR memory_type;
      UCHAR memory_ptr[2];
      UCHAR length;
  };
  struct update_association_cmd {
      UCHAR status;
      UCHAR aid[2];
  };
  struct start_timer_cmd {
      UCHAR duration[2];
  };
  
  struct ccs {
      UCHAR buffer_status;                 /* 0 = buffer free, 1 = buffer busy */
                                           /* 2 = command complete, 3 = failed */
      UCHAR cmd;                           /* command to ECF                   */
      UCHAR link;                          /* link to next CCS, FF=end of list */
      /* command specific parameters      */
      union {
          char reserved[13];
          struct update_param_cmd update_param;
          struct report_param_cmd report_param;
          UCHAR nummulticast;
          UCHAR mode;
          struct start_network_cmd start_network;
          struct join_network_cmd join_network;
          struct tx_requested_cmd tx_request;
          struct memory_dump_cmd memory_dump;
          struct update_association_cmd update_assoc;
          struct start_timer_cmd start_timer;
      } var;
  };
  
  /*****************************************************************************/
  /* Transmit buffer structures */
  struct tib_structure {
      UCHAR ccs_index;
      UCHAR psm;
      UCHAR pass_fail;
      UCHAR retry_count;
      UCHAR max_retries;
      UCHAR frags_remaining;
      UCHAR no_rb;
      UCHAR rts_reqd;
      UCHAR csma_tx_cntrl_2;
      UCHAR sifs_tx_cntrl_2;
      UCHAR tx_dma_addr_1[2];
      UCHAR tx_dma_addr_2[2];
      UCHAR var_dur_2mhz[2];
      UCHAR var_dur_1mhz[2];
      UCHAR max_dur_2mhz[2];
      UCHAR max_dur_1mhz[2];
      UCHAR hdr_len;
      UCHAR max_frag_len[2];
      UCHAR var_len[2];
      UCHAR phy_hdr_4;
      UCHAR mac_hdr_1;
      UCHAR mac_hdr_2;
      UCHAR sid[2];
  };
  
  struct phy_header {
      UCHAR sfd[2];
      UCHAR hdr_3;
      UCHAR hdr_4;
  };
  struct ray_rx_msg {
      struct mac_header mac;
      UCHAR  var[0];
  };
  
  struct tx_msg {
      struct tib_structure tib;
      struct phy_header phy;
      struct mac_header mac;
      UCHAR  var[1];
  };
  
  /****** ECF Receive Control Structure (RCS) Area at Shared RAM offset 0x0800  */
  /* Structures for command specific parameters (rcs.var) */
  struct rx_packet_cmd {
      UCHAR rx_data_ptr[2];
      UCHAR rx_data_length[2];
      UCHAR rx_sig_lev;
      UCHAR next_frag_rcs_index;
      UCHAR totalpacketlength[2];
  };
  struct rejoin_net_cmplt_cmd {
      UCHAR reserved;
      UCHAR bssid[ADDRLEN];
  };
  struct japan_call_sign_rxd {
      UCHAR rxd_call_sign[8];
      UCHAR reserved[5];
  };
  
  struct rcs {
      UCHAR buffer_status;
      UCHAR interrupt_id;
      UCHAR link_field;
      /* command specific parameters      */
      union {
          UCHAR reserved[13]; 
          struct rx_packet_cmd rx_packet;
          struct rejoin_net_cmplt_cmd rejoin_net_complete;
          struct japan_call_sign_rxd japan_call_sign;
      } var;
  };
  
  /****** Startup parameter structures for both versions of firmware ***********/
  struct b4_startup_params {
      UCHAR a_network_type;                /* C_ADHOC, C_INFRA                 */
      UCHAR a_acting_as_ap_status;         /* C_TYPE_STA, C_TYPE_AP            */
      UCHAR a_current_ess_id[ESSID_SIZE];  /* Null terminated unless 32 long   */
      UCHAR a_scanning_mode;               /* passive 0, active 1              */
      UCHAR a_power_mgt_state;             /* CAM 0,                           */
      UCHAR a_mac_addr[ADDRLEN];           /*                                  */
      UCHAR a_frag_threshold[2];           /* 512                              */
      UCHAR a_hop_time[2];                 /* 16k * 2**n, n=0-4 in Kus         */
      UCHAR a_beacon_period[2];            /* n * a_hop_time  in Kus           */
      UCHAR a_dtim_period;                 /* in beacons                       */
      UCHAR a_retry_max;                   /*                                  */
      UCHAR a_ack_timeout;                 /*                                  */
      UCHAR a_sifs;                        /*                                  */
      UCHAR a_difs;                        /*                                  */
      UCHAR a_pifs;                        /*                                  */
      UCHAR a_rts_threshold[2];            /*                                  */
      UCHAR a_scan_dwell_time[2];          /*                                  */
      UCHAR a_max_scan_dwell_time[2];      /*                                  */
      UCHAR a_assoc_resp_timeout_thresh;   /*                                  */
      UCHAR a_adhoc_scan_cycle_max;        /*                                  */
      UCHAR a_infra_scan_cycle_max;        /*                                  */
      UCHAR a_infra_super_scan_cycle_max;  /*                                  */
      UCHAR a_promiscuous_mode;            /*                                  */
      UCHAR a_unique_word[2];              /*                                  */
      UCHAR a_slot_time;                   /*                                  */
      UCHAR a_roaming_low_snr_thresh;      /*                                  */
      UCHAR a_low_snr_count_thresh;        /*                                  */
      UCHAR a_infra_missed_bcn_thresh;     /*                                  */
      UCHAR a_adhoc_missed_bcn_thresh;     /*                                  */
      UCHAR a_curr_country_code;           /* C_USA                            */
      UCHAR a_hop_pattern;                 /*                                  */
      UCHAR a_hop_pattern_length;          /*                                  */
  /* b4 - b5 differences start here */
      UCHAR a_cw_max;                      /*                                  */
      UCHAR a_cw_min;                      /*                                  */
      UCHAR a_noise_filter_gain;           /*                                  */
      UCHAR a_noise_limit_offset;          /*                                  */
      UCHAR a_det_rssi_thresh_offset;      /*                                  */
      UCHAR a_med_busy_thresh_offset;      /*                                  */
      UCHAR a_det_sync_thresh;             /*                                  */
      UCHAR a_test_mode;                   /*                                  */
      UCHAR a_test_min_chan_num;           /*                                  */
      UCHAR a_test_max_chan_num;           /*                                  */
      UCHAR a_rx_tx_delay;                 /*                                  */
      UCHAR a_current_bss_id[ADDRLEN];     /*                                  */
      UCHAR a_hop_set;                     /*                                  */
  };
  struct b5_startup_params {
      UCHAR a_network_type;                /* C_ADHOC, C_INFRA                 */
      UCHAR a_acting_as_ap_status;         /* C_TYPE_STA, C_TYPE_AP            */
      UCHAR a_current_ess_id[ESSID_SIZE];  /* Null terminated unless 32 long   */
      UCHAR a_scanning_mode;               /* passive 0, active 1              */
      UCHAR a_power_mgt_state;             /* CAM 0,                           */
      UCHAR a_mac_addr[ADDRLEN];           /*                                  */
      UCHAR a_frag_threshold[2];           /* 512                              */
      UCHAR a_hop_time[2];                 /* 16k * 2**n, n=0-4 in Kus         */
      UCHAR a_beacon_period[2];            /* n * a_hop_time  in Kus           */
      UCHAR a_dtim_period;                 /* in beacons                       */
      UCHAR a_retry_max;                   /* 4                                */
      UCHAR a_ack_timeout;                 /*                                  */
      UCHAR a_sifs;                        /*                                  */
      UCHAR a_difs;                        /*                                  */
      UCHAR a_pifs;                        /*                                  */
      UCHAR a_rts_threshold[2];            /*                                  */
      UCHAR a_scan_dwell_time[2];          /*                                  */
      UCHAR a_max_scan_dwell_time[2];      /*                                  */
      UCHAR a_assoc_resp_timeout_thresh;   /*                                  */
      UCHAR a_adhoc_scan_cycle_max;        /*                                  */
      UCHAR a_infra_scan_cycle_max;        /*                                  */
      UCHAR a_infra_super_scan_cycle_max;  /*                                  */
      UCHAR a_promiscuous_mode;            /*                                  */
      UCHAR a_unique_word[2];              /*                                  */
      UCHAR a_slot_time;                   /*                                  */
      UCHAR a_roaming_low_snr_thresh;      /*                                  */
      UCHAR a_low_snr_count_thresh;        /*                                  */
      UCHAR a_infra_missed_bcn_thresh;     /*                                  */
      UCHAR a_adhoc_missed_bcn_thresh;     /*                                  */
      UCHAR a_curr_country_code;           /* C_USA                            */
      UCHAR a_hop_pattern;                 /*                                  */
      UCHAR a_hop_pattern_length;          /*                                  */
  /* b4 - b5 differences start here */
      UCHAR a_cw_max[2];                   /*                                  */
      UCHAR a_cw_min[2];                   /*                                  */
      UCHAR a_noise_filter_gain;           /*                                  */
      UCHAR a_noise_limit_offset;          /*                                  */
      UCHAR a_det_rssi_thresh_offset;      /*                                  */
      UCHAR a_med_busy_thresh_offset;      /*                                  */
      UCHAR a_det_sync_thresh;             /*                                  */
      UCHAR a_test_mode;                   /*                                  */
      UCHAR a_test_min_chan_num;           /*                                  */
      UCHAR a_test_max_chan_num;           /*                                  */
      UCHAR a_allow_bcast_SSID_probe_rsp;
      UCHAR a_privacy_must_start;
      UCHAR a_privacy_can_join;
      UCHAR a_basic_rate_set[8];
  };
  
  /*****************************************************************************/
  #define RAY_IOCG_PARMS (SIOCDEVPRIVATE)
  #define RAY_IOCS_PARMS (SIOCDEVPRIVATE + 1)
  #define RAY_DO_CMD     (SIOCDEVPRIVATE + 2)
  
  /****** ethernet <-> 802.11 translation **************************************/
  typedef struct snaphdr_t
  {
    UCHAR   dsap;
    UCHAR   ssap;
    UCHAR   ctrl;
    UCHAR   org[3];
    UCHAR   ethertype[2];
  } snaphdr_t;
  
  #define BRIDGE_ENCAP  0xf80000
  #define RFC1042_ENCAP 0
  #define SNAP_ID       0x0003aaaa
  #define RAY_IPX_TYPE  0x8137
  #define APPLEARP_TYPE 0x80f3
  /*****************************************************************************/
  #endif /* #ifndef RAYLINK_H */
  