FreeBSD/Linux Kernel Cross Reference
sys/dev/wi/if_wireg.h

     /*-
      * SPDX-License-Identifier: BSD-4-Clause
      *
      * Copyright (c) 1997, 1998, 1999
      *      Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Bill Paul.
     * 4. Neither the name of the author nor the names of any co-contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     * THE POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    #define WI_DELAY        5
    #define WI_TIMEOUT      (500000/WI_DELAY)       /* 500 ms */
    
    #define WI_PORT0        (0 << 8)
    #define WI_PORT1        (1 << 8)
    #define WI_PORT2        (2 << 8)
    #define WI_PORT3        (3 << 8)
    #define WI_PORT4        (4 << 8)
    #define WI_PORT5        (5 << 8)
    
    #define WI_PCI_LMEMRES  0x10    /* PCI Memory (native PCI implementations) */
    #define WI_PCI_LOCALRES 0x14    /* The PLX chip's local registers */
    #define WI_PCI_MEMRES   0x18    /* The PCCard's attribute memory */
    #define WI_PCI_IORES    0x1C    /* The PCCard's I/O space */
    
    #define WI_LOCAL_INTCSR         0x4c
    #define WI_LOCAL_INTEN          0x40
    #define WI_HFA384X_SWSUPPORT0_OFF       0x28
    #define WI_PRISM2STA_MAGIC              0x4A2D
    #define WI_PCICOR_OFF           0x26
    #define WI_PCICOR_RESET         0x0080
    
    /* Default port: 0 (only 0 exists on stations) */
    #define WI_DEFAULT_PORT WI_PORT0
    
    /* Default network name: ANY */
    /*
     * [sommerfeld 1999/07/15] Changed from "ANY" to ""; according to Bill Fenner,
     * ANY is used in MS driver user interfaces, while "" is used over the
     * wire..
     */
    #define WI_DEFAULT_NETNAME      ""
    
    #define WI_DEFAULT_AP_DENSITY   1
    
    #define WI_DEFAULT_RTS_THRESH   2347
    
    #define WI_DEFAULT_DATALEN      2304
    
    #define WI_DEFAULT_CREATE_IBSS  0
    
    #define WI_DEFAULT_PM_ENABLED   0
    
    #define WI_DEFAULT_MAX_SLEEP    100
    
    #define WI_DEFAULT_ROAMING      1
    
    #define WI_DEFAULT_AUTHTYPE     1
    
    #ifdef __NetBSD__
    #define OS_STRING_NAME  "NetBSD"
    #endif
    #ifdef __FreeBSD__
    #define OS_STRING_NAME  "FreeBSD"
    #endif
    #ifdef __OpenBSD__
    #define OS_STRING_NAME  "OpenBSD"
    #endif
    
    #define WI_DEFAULT_NODENAME     OS_STRING_NAME " WaveLAN/IEEE node"
    
    #define WI_DEFAULT_IBSS         OS_STRING_NAME " IBSS"
    
   #define WI_BUS_PCCARD           0       /* pccard device */
   #define WI_BUS_PCI_PLX          1       /* PCI card w/ PLX PCI/PCMICA bridge */
   #define WI_BUS_PCI_NATIVE       2       /* native PCI device (Prism 2.5) */
   
   /*
    * register space access macros
    */
   #define CSR_WRITE_4(sc, reg, val)                               \
           bus_space_write_4((sc)->wi_btag, (sc)->wi_bhandle,      \
               (sc)->wi_bus_type == WI_BUS_PCI_NATIVE ? (reg)*2 : (reg), val)
   #define CSR_WRITE_2(sc, reg, val)                               \
           bus_space_write_2((sc)->wi_btag, (sc)->wi_bhandle,      \
               (sc)->wi_bus_type == WI_BUS_PCI_NATIVE ? (reg)*2 : (reg), val)
   #define CSR_WRITE_1(sc, reg, val)                               \
           bus_space_write_1((sc)->wi_btag, (sc)->wi_bhandle,      \
               (sc)->wi_bus_type == WI_BUS_PCI_NATIVE ? (reg)*2 : (reg), val)
   
   #define CSR_READ_4(sc, reg)                                     \
           bus_space_read_4((sc)->wi_btag, (sc)->wi_bhandle,       \
               (sc)->wi_bus_type == WI_BUS_PCI_NATIVE ? (reg)*2 : (reg))
   #define CSR_READ_2(sc, reg)                                     \
           bus_space_read_2((sc)->wi_btag, (sc)->wi_bhandle,       \
               (sc)->wi_bus_type == WI_BUS_PCI_NATIVE ? (reg)*2 : (reg))
   #define CSR_READ_1(sc, reg)                                     \
           bus_space_read_1((sc)->wi_btag, (sc)->wi_bhandle,       \
               (sc)->wi_bus_type == WI_BUS_PCI_NATIVE ? (reg)*2 : (reg))
   
   #define CSM_WRITE_1(sc, off, val)       \
           bus_space_write_1((sc)->wi_bmemtag, (sc)->wi_bmemhandle, off, val)
   
   #define CSM_READ_1(sc, off)             \
           bus_space_read_1((sc)->wi_bmemtag, (sc)->wi_bmemhandle, off)
   
   #define CSR_WRITE_STREAM_2(sc, reg, val)        \
           bus_space_write_stream_2(sc->wi_btag, sc->wi_bhandle,   \
               (sc->wi_bus_type == WI_BUS_PCI_NATIVE ? (reg) * 2 : (reg)), val)
   #define CSR_WRITE_MULTI_STREAM_2(sc, reg, val, count)   \
           bus_space_write_multi_stream_2(sc->wi_btag, sc->wi_bhandle,     \
               (sc->wi_bus_type == WI_BUS_PCI_NATIVE ? (reg) * 2 : (reg)), val, count)
   #define CSR_READ_STREAM_2(sc, reg)              \
           bus_space_read_stream_2(sc->wi_btag, sc->wi_bhandle,    \
               (sc->wi_bus_type == WI_BUS_PCI_NATIVE ? (reg) * 2 : (reg)))
   #define CSR_READ_MULTI_STREAM_2(sc, reg, buf, count)            \
           bus_space_read_multi_stream_2(sc->wi_btag, sc->wi_bhandle,      \
               (sc->wi_bus_type == WI_BUS_PCI_NATIVE ? (reg) * 2 : (reg)), buf, count)
   
   /*
    * The WaveLAN/IEEE cards contain an 802.11 MAC controller which Lucent
    * calls 'Hermes.' In typical fashion, getting documentation about this
    * controller is about as easy as squeezing blood from a stone. Here
    * is more or less what I know:
    *
    * - The Hermes controller is firmware driven, and the host interacts
    *   with the Hermes via a firmware interface, which can change.
    *
    * - The Hermes is described in a document called: "Hermes Firmware
    *   WaveLAN/IEEE Station Functions," document #010245, which of course
    *   Lucent will not release without an NDA.
    *
    * - Lucent has created a library called HCF (Hardware Control Functions)
    *   though which it wants developers to interact with the card. The HCF
    *   is needlessly complex, ill conceived and badly documented. Actually,
    *   the comments in the HCP code itself aren't bad, but the publicly
    *   available manual that comes with it is awful, probably due largely to
    *   the fact that it has been emasculated in order to hide information
    *   that Lucent wants to keep proprietary. The purpose of the HCF seems
    *   to be to insulate the driver programmer from the Hermes itself so that
    *   Lucent has an excuse not to release programming in for it.
    *
    * - Lucent only makes available documentation and code for 'HCF Light'
    *   which is a stripped down version of HCF with certain features not
    *   implemented, most notably support for 802.11 frames.
    *
    * - The HCF code which I have seen blows goats. Whoever decided to
    *   use a 132 column format should be shot.
    *
    * Rather than actually use the Lucent HCF library, I have stripped all
    * the useful information from it and used it to create a driver in the
    * usual BSD form. Note: I don't want to hear anybody whining about the
    * fact that the Lucent code is GPLed and mine isn't. I did not actually
    * put any of Lucent's code in this driver: I only used it as a reference
    * to obtain information about the underlying hardware. The Hermes
    * programming interface is not GPLed, so bite me.
    */
   
   /*
    * Size of Hermes & Prism2 I/O space.
    */
   #define WI_IOSIZ                0x40
   
   /*
    * Hermes & Prism2 register definitions 
    */
   
   /* Hermes command/status registers. */
   #define WI_COMMAND              0x00
   #define WI_PARAM0               0x02
   #define WI_PARAM1               0x04
   #define WI_PARAM2               0x06
   #define WI_STATUS               0x08
   #define WI_RESP0                0x0A
   #define WI_RESP1                0x0C
   #define WI_RESP2                0x0E
   
   /* Command register values. */
   #define WI_CMD_BUSY             0x8000 /* busy bit */
   #define WI_CMD_INI              0x0000 /* initialize */
   #define WI_CMD_ENABLE           0x0001 /* enable */
   #define WI_CMD_DISABLE          0x0002 /* disable */
   #define WI_CMD_DIAG             0x0003
   #define WI_CMD_ALLOC_MEM        0x000A /* allocate NIC memory */
   #define WI_CMD_TX               0x000B /* transmit */
   #define WI_CMD_NOTIFY           0x0010
   #define WI_CMD_INQUIRE          0x0011
   #define WI_CMD_ACCESS           0x0021
   #define WI_CMD_ACCESS_WRITE     0x0121
   #define WI_CMD_PROGRAM          0x0022
   #define WI_CMD_READEE           0x0030  /* symbol only */
   #define WI_CMD_READMIF          0x0030  /* prism2 */
   #define WI_CMD_WRITEMIF         0x0031  /* prism2 */
   #define WI_CMD_DEBUG            0x0038  /* Various test commands */
   
   #define WI_CMD_CODE_MASK        0x003F
   
   /*
    * Various cmd test stuff.
    */
   #define WI_TEST_MONITOR         0x0B
   #define WI_TEST_STOP            0x0F
   #define WI_TEST_CFG_BITS        0x15
   #define WI_TEST_CFG_BIT_ALC     0x08
   
   /*
    * Reclaim qualifier bit, applicable to the
    * TX and INQUIRE commands.
    */
   #define WI_RECLAIM              0x0100 /* reclaim NIC memory */
   
   /*
    * ACCESS command qualifier bits.
    */
   #define WI_ACCESS_READ          0x0000
   #define WI_ACCESS_WRITE         0x0100
   
   /*
    * PROGRAM command qualifier bits.
    */
   #define WI_PROGRAM_DISABLE      0x0000
   #define WI_PROGRAM_ENABLE_RAM   0x0100
   #define WI_PROGRAM_ENABLE_NVRAM 0x0200
   #define WI_PROGRAM_NVRAM        0x0300
   
   /* Status register values */
   #define WI_STAT_CMD_CODE        0x003F
   #define WI_STAT_DIAG_ERR        0x0100
   #define WI_STAT_INQ_ERR         0x0500
   #define WI_STAT_CMD_RESULT      0x7F00
   
   /* memory handle management registers */
   #define WI_INFO_FID             0x10
   #define WI_RX_FID               0x20
   #define WI_ALLOC_FID            0x22
   #define WI_TX_CMP_FID           0x24
   
   /*
    * Buffer Access Path (BAP) registers.
    * These are I/O channels. I believe you can use each one for
    * any desired purpose independently of the other. In general
    * though, we use BAP1 for reading and writing LTV records and
    * reading received data frames, and BAP0 for writing transmit
    * frames. This is a convention though, not a rule.
    */
   #define WI_SEL0                 0x18
   #define WI_SEL1                 0x1A
   #define WI_OFF0                 0x1C
   #define WI_OFF1                 0x1E
   #define WI_DATA0                0x36
   #define WI_DATA1                0x38
   #define WI_BAP0                 WI_DATA0
   #define WI_BAP1                 WI_DATA1
   
   #define WI_OFF_BUSY             0x8000
   #define WI_OFF_ERR              0x4000
   #define WI_OFF_DATAOFF          0x0FFF
   
   /* Event registers */
   #define WI_EVENT_STAT           0x30    /* Event status */
   #define WI_INT_EN               0x32    /* Interrupt enable/disable */
   #define WI_EVENT_ACK            0x34    /* Ack event */
   
   /* Events */
   #define WI_EV_TICK              0x8000  /* aux timer tick */
   #define WI_EV_RES               0x4000  /* controller h/w error (time out) */
   #define WI_EV_INFO_DROP         0x2000  /* no RAM to build unsolicited frame */
   #define WI_EV_NO_CARD           0x0800  /* card removed (hunh?) */
   #define WI_EV_DUIF_RX           0x0400  /* wavelan management packet received */
   #define WI_EV_INFO              0x0080  /* async info frame */
   #define WI_EV_CMD               0x0010  /* command completed */
   #define WI_EV_ALLOC             0x0008  /* async alloc/reclaim completed */
   #define WI_EV_TX_EXC            0x0004  /* async xmit completed with failure */
   #define WI_EV_TX                0x0002  /* async xmit completed successfully */
   #define WI_EV_RX                0x0001  /* async rx completed */
   
   /* Host software registers */
   #define WI_SW0                  0x28
   #define WI_SW1                  0x2A
   #define WI_SW2                  0x2C
   #define WI_SW3                  0x2E    /* does not appear in Prism2 */
   
   #define WI_CNTL                 0x14
   
   #define WI_CNTL_AUX_ENA         0xC000
   #define WI_CNTL_AUX_ENA_STAT    0xC000
   #define WI_CNTL_AUX_DIS_STAT    0x0000
   #define WI_CNTL_AUX_ENA_CNTL    0x8000
   #define WI_CNTL_AUX_DIS_CNTL    0x4000
   
   #define WI_AUX_PAGE             0x3A
   #define WI_AUX_OFFSET           0x3C
   #define WI_AUX_DATA             0x3E
   
   #define WI_AUX_PGSZ             128
   #define WI_AUX_KEY0             0xfe01
   #define WI_AUX_KEY1             0xdc23
   #define WI_AUX_KEY2             0xba45
   
   #define WI_COR                  0x40    /* only for Symbol */
   #define WI_COR_RESET            0x0080
   #define WI_COR_IOMODE           0x0041
   
   #define WI_HCR                  0x42    /* only for Symbol */
   #define WI_HCR_4WIRE            0x0010
   #define WI_HCR_RUN              0x0007
   #define WI_HCR_HOLD             0x000f
   #define WI_HCR_EEHOLD           0x00ce
   
   #define WI_COR_OFFSET   0x3e0   /* OK for PCI, default COR for Prism PC Card */
   #define WI_COR_VALUE    0x41
   
   /*
    * One form of communication with the Hermes is with what Lucent calls
    * LTV records, where LTV stands for Length, Type and Value. The length
    * and type are 16 bits and are in native byte order. The value is in
    * multiples of 16 bits and is in little endian byte order.
    */
   struct wi_lt_hdr {
           u_int16_t               wi_len;
           u_int16_t               wi_type;
           /* value is vary depends on resource id */
   };
   
   /*
    * Download buffer location and length (0xFD01).
    */
   struct wi_dnld_buf {
           u_int16_t               wi_buf_pg; /* page addr of intermediate dl buf*/
           u_int16_t               wi_buf_off; /* offset of idb */
           u_int16_t               wi_buf_len; /* len of idb */
   };
   
   /*
    * Mem sizes (0xFD02).
    */
   struct wi_memsz {
           u_int16_t               wi_mem_ram;
           u_int16_t               wi_mem_nvram;
   };
   
   /*
    * NIC Identification (0xFD0B, 0xFD20)
    */
   struct wi_ver {
           u_int16_t               wi_ver[4];
   };
   
   /* define card ident */
   #define WI_NIC_LUCENT_ID        0x0001
   #define WI_NIC_LUCENT_STR       "Lucent Technologies, WaveLAN/IEEE"
   
   #define WI_NIC_SONY_ID          0x0002
   #define WI_NIC_SONY_STR         "Sony WaveLAN/IEEE"
   
   #define WI_NIC_LUCENT_EMB_ID    0x0005
   #define WI_NIC_LUCENT_EMB_STR   "Lucent Embedded WaveLAN/IEEE"
   
   #define WI_NIC_EVB2_ID          0x8000
   #define WI_NIC_EVB2_STR         "RF:PRISM2 MAC:HFA3841"
   
   #define WI_NIC_HWB3763_ID       0x8001
   #define WI_NIC_HWB3763_STR      "RF:PRISM2 MAC:HFA3841 CARD:HWB3763 rev.B"
   
   #define WI_NIC_HWB3163_ID       0x8002
   #define WI_NIC_HWB3163_STR      "RF:PRISM2 MAC:HFA3841 CARD:HWB3163 rev.A"
   
   #define WI_NIC_HWB3163B_ID      0x8003
   #define WI_NIC_HWB3163B_STR     "RF:PRISM2 MAC:HFA3841 CARD:HWB3163 rev.B"
   
   #define WI_NIC_EVB3_ID          0x8004
   #define WI_NIC_EVB3_STR         "RF:PRISM2 MAC:HFA3842 CARD:HFA3842 EVAL"
   
   #define WI_NIC_HWB1153_ID       0x8007
   #define WI_NIC_HWB1153_STR      "RF:PRISM1 MAC:HFA3841 CARD:HWB1153"
   
   #define WI_NIC_P2_SST_ID        0x8008  /* Prism2 with SST flush */
   #define WI_NIC_P2_SST_STR       "RF:PRISM2 MAC:HFA3841 CARD:HWB3163-SST-flash"
   
   #define WI_NIC_EVB2_SST_ID      0x8009
   #define WI_NIC_EVB2_SST_STR     "RF:PRISM2 MAC:HFA3841 CARD:HWB3163-SST-flash"
   
   #define WI_NIC_3842_EVA_ID      0x800A  /* 3842 Evaluation Board */
   #define WI_NIC_3842_EVA_STR     "RF:PRISM2 MAC:HFA3842 CARD:HFA3842 EVAL"
   
   #define WI_NIC_3842_PCMCIA_AMD_ID       0x800B  /* Prism2.5 PCMCIA */
   #define WI_NIC_3842_PCMCIA_SST_ID       0x800C
   #define WI_NIC_3842_PCMCIA_ATL_ID       0x800D
   #define WI_NIC_3842_PCMCIA_ATS_ID       0x800E
   #define WI_NIC_3842_PCMCIA_STR          "RF:PRISM2.5 MAC:ISL3873"
   
   #define WI_NIC_3842_MINI_AMD_ID         0x8012  /* Prism2.5 Mini-PCI */
   #define WI_NIC_3842_MINI_SST_ID         0x8013
   #define WI_NIC_3842_MINI_ATL_ID         0x8014
   #define WI_NIC_3842_MINI_ATS_ID         0x8015
   #define WI_NIC_3842_MINI_STR            "RF:PRISM2.5 MAC:ISL3874A(Mini-PCI)"
   
   #define WI_NIC_3842_PCI_AMD_ID          0x8016  /* Prism2.5 PCI-bridge */
   #define WI_NIC_3842_PCI_SST_ID          0x8017
   #define WI_NIC_3842_PCI_ATL_ID          0x8018
   #define WI_NIC_3842_PCI_ATS_ID          0x8019
   #define WI_NIC_3842_PCI_STR             "RF:PRISM2.5 MAC:ISL3874A(PCI-bridge)"
   
   #define WI_NIC_P3_PCMCIA_AMD_ID         0x801A  /* Prism3 PCMCIA */
   #define WI_NIC_P3_PCMCIA_SST_ID         0x801B
   #define WI_NIC_P3_PCMCIA_ATL_ID         0x801C
   #define WI_NIC_P3_PCMCIA_ATS_ID         0x801D
   #define WI_NIC_P3_PCMCIA_STR            "RF:PRISM3(PCMCIA)"
   
   #define WI_NIC_P3_USB_AMD_ID            0x801E
   #define WI_NIC_P3_USB_SST_ID            0x801F
   #define WI_NIC_P3_USB_ATL_ID            0x8020
   
   #define WI_NIC_P3_MINI_AMD_ID           0x8021  /* Prism3 Mini-PCI */
   #define WI_NIC_P3_MINI_SST_ID           0x8022
   #define WI_NIC_P3_MINI_ATL_ID           0x8023
   #define WI_NIC_P3_MINI_ATS_ID           0x8024
   #define WI_NIC_P3_MINI_STR              "RF:PRISM3(Mini-PCI)"
   
   /*
    * List of intended regulatory domains (0xFD11).
    */
   struct wi_ltv_domains {
           u_int16_t               wi_len;
           u_int16_t               wi_type;
           u_int16_t               wi_num_dom;
           u_int8_t                wi_domains[10];
   };
   
   /*
    * CIS struct (0xFD13).
    */
   struct wi_cis {
           u_int16_t               wi_cis[240];
   };
   
   /*
    * Communications quality (0xFD43).
    */
   struct wi_commqual {
           u_int16_t               wi_coms_qual;
           u_int16_t               wi_sig_lvl;
           u_int16_t               wi_noise_lvl;
   };
   
   /*
    * Actual system scale thresholds (0xFC06, 0xFD46).
    */
   struct wi_scalethresh {
           u_int16_t               wi_energy_detect;
           u_int16_t               wi_carrier_detect;
           u_int16_t               wi_defer;
           u_int16_t               wi_cell_search;
           u_int16_t               wi_out_of_range;
           u_int16_t               wi_delta_snr;
   };
   
   /*
    * PCF info struct (0xFD87).
    */
   struct wi_pcf {
           u_int16_t               wi_medium_occupancy_limit;
           u_int16_t               wi_cfp_period;
           u_int16_t               wi_cfp_max_duration;
   };
   
   /*
    * Connection control characteristics. (0xFC00)
    * 0 == IBSS (802.11 compliant mode) (Only PRISM2)
    * 1 == Basic Service Set (BSS)
    * 2 == Wireless Distribudion System (WDS)
    * 3 == Pseudo IBSS 
    *      (Only PRISM2; not 802.11 compliant mode, testing use only)
    * 6 == HOST AP (Only PRISM2)
    */
   #define WI_PORTTYPE_IBSS        0x0
   #define WI_PORTTYPE_BSS         0x1
   #define WI_PORTTYPE_WDS         0x2
   #define WI_PORTTYPE_ADHOC       0x3
   #define WI_PORTTYPE_APSILENT    0x5
   #define WI_PORTTYPE_HOSTAP      0x6
   
   /*
    * Mac addresses. (0xFC01, 0xFC08)
    */
   struct wi_macaddr {
           u_int8_t                wi_mac_addr[6];
   };
   
   /*
    * Station set identification (SSID). (0xFC02, 0xFC04)
    */
   struct wi_ssid {
           u_int16_t               wi_len;
           u_int8_t                wi_ssid[32];
   };
   
   /*
    * Set our station name. (0xFC0E)
    */
   struct wi_nodename {
           u_int16_t               wi_nodelen;
           u_int8_t                wi_nodename[32];
   };
   
   /*
    * Multicast addresses to be put in filter. We're
    * allowed up to 16 addresses in the filter. (0xFC80)
    */
   struct wi_mcast {
           struct ether_addr       wi_mcast[16];
   };
   
   /*
    * Join request. (0xFCE2)
    */
   struct wi_joinreq {
           struct ether_addr       wi_bssid;
           u_int16_t               wi_chan;
   };
   
   /*
    * supported rates. (0xFCB4)
    */
   #define WI_SUPPRATES_1M         0x0001
   #define WI_SUPPRATES_2M         0x0002
   #define WI_SUPPRATES_5M         0x0004
   #define WI_SUPPRATES_11M        0x0008
   #define WI_RATES_BITS   "\2\0011M\0022M\0035.5M\00411M"
   
   /*
    * Information frame types.
    */
   #define WI_INFO_NOTIFY          0xF000  /* Handover address */
   #define WI_INFO_COUNTERS        0xF100  /* Statistics counters */
   #define WI_INFO_SCAN_RESULTS    0xF101  /* Scan results */
   #define WI_INFO_HOST_SCAN_RESULTS       0xF104  /* Scan results */
   #define WI_INFO_LINK_STAT       0xF200  /* Link status */
   #define WI_INFO_LINK_STAT_CONNECTED     1
   #define WI_INFO_LINK_STAT_DISCONNECTED  2
   #define WI_INFO_LINK_STAT_AP_CHG        3       /* AP Change */
   #define WI_INFO_LINK_STAT_AP_OOR        4       /* AP Out Of Range */
   #define WI_INFO_LINK_STAT_AP_INR        5       /* AP In Range */
   #define WI_INFO_LINK_STAT_ASSOC_FAILED  6
   #define WI_INFO_ASSOC_STAT      0xF201  /* Association status */
   #define WI_INFO_AUTH_REQUEST    0xF202  /* Authentication Request (AP) */
   #define WI_INFO_POWERSAVE_COUNT 0xF203  /* PowerSave User Count (AP) */
   
   struct wi_assoc {
           u_int16_t               wi_assoc_stat;  /* Association Status */
   #define ASSOC           1
   #define REASSOC         2
   #define DISASSOC        3       
   #define ASSOCFAIL       4
   #define AUTHFAIL        5
           u_int8_t                wi_assoc_sta[6];        /* Station Address */
           u_int8_t                wi_assoc_osta[6];       /* OLD Station Address */
           u_int16_t               wi_assoc_reason;        /* Reason */
           u_int16_t               wi_assoc_reserve;       /* Reserved */
   };
   
   /*
    * Scan Results of Prism2 chip
    */
   
   struct wi_scan_header {
           u_int16_t               wi_reserve;     /* future use */
           u_int16_t               wi_reason;      /* The reason this scan was initiated
                                                      1: Host initiated
                                                      2: Firmware initiated
                                                      3: Inquiry request from host */
   };
   
   struct wi_scan_data_p2 {
           u_int16_t               wi_chid;        /* BSS Channel ID from Probe Res.(PR)*/
           u_int16_t               wi_noise;       /* Average Noise Level of the PR */
           u_int16_t               wi_signal;      /* Signal Level on the PR */
           u_int8_t                wi_bssid[6];    /* MACaddress of BSS responder from PR */
           u_int16_t               wi_interval;    /* BSS beacon interval */
           u_int16_t               wi_capinfo;     /* BSS Capability Information
                                                      IEEE Std 802.11(1997) ,see 7.3.1.4 */
           u_int16_t               wi_namelen;     /* Length of SSID strings */
           u_int8_t                wi_name[32];    /* SSID strings */
           u_int16_t               wi_suprate[5];  /* Supported Rates element from the PR
                                                      IEEE Std 802.11(1997) ,see 7.3.2.2 */
           u_int16_t               wi_rate;        /* Data rate of the PR */
   #define WI_APRATE_1             0x0A            /* 1 Mbps */
   #define WI_APRATE_2             0x14            /* 2 Mbps */
   #define WI_APRATE_5             0x37            /* 5.5 Mbps */
   #define WI_APRATE_11            0x6E            /* 11 Mbps */
   };
   
   /*
    * Scan Results of Lucent chip
    */
   struct wi_scan_data {
           u_int16_t               wi_chid;        /* BSS Channel ID from PR */
           u_int16_t               wi_noise;       /* Average Noise Level of the PR */
           u_int16_t               wi_signal;      /* Signal Level on the PR */
           u_int8_t                wi_bssid[6];    /* MACaddress of BSS responder from PR */
           u_int16_t               wi_interval;    /* BSS beacon interval */
           u_int16_t               wi_capinfo;     /* BSS Capability Information
                                                      IEEE Std 802.11(1997) ,see 7.3.1.4 */
           u_int16_t               wi_namelen;     /* Length of SSID strings */
           u_int8_t                wi_name[32];    /* SSID strings */
   };
   
   /*
    * transmit/receive frame structure
    */
   struct wi_frame {
           u_int16_t               wi_status;      /* 0x00 */
           u_int16_t               wi_rx_tstamp1;  /* 0x02 */
           u_int16_t               wi_rx_tstamp0;  /* 0x04 */
           u_int8_t                wi_rx_silence;  /* 0x06 */
           u_int8_t                wi_rx_signal;   /* 0x07 */
           u_int8_t                wi_rx_rate;     /* 0x08 */
           u_int8_t                wi_rx_flow;     /* 0x09 */
           u_int8_t                wi_tx_rtry;     /* 0x0a */ /* Prism2 AP Only */
           u_int8_t                wi_tx_rate;     /* 0x0b */ /* Prism2 AP Only */
           u_int16_t               wi_tx_ctl;      /* 0x0c */
           struct ieee80211_frame_addr4 wi_whdr;   /* 0x0e */
           u_int16_t               wi_dat_len;     /* 0x2c */
           struct ether_header     wi_ehdr;        /* 0x2e */
   } __attribute__((__packed__));
   
   /* Tx Status Field */
   #define WI_TXSTAT_RET_ERR       0x0001
   #define WI_TXSTAT_AGED_ERR      0x0002
   #define WI_TXSTAT_DISCONNECT    0x0004
   #define WI_TXSTAT_FORM_ERR      0x0008
   
   /* Rx Status Field */
   #define WI_STAT_BADCRC          0x0001
   #define WI_STAT_UNDECRYPTABLE   0x0002
   #define WI_STAT_ERRSTAT         0x0003
   #define WI_STAT_MAC_PORT        0x0700
   #define WI_STAT_PCF             0x1000
   #define WI_RXSTAT_MSG_TYPE      0xE000
   #define  WI_STAT_1042           0x2000  /* RFC1042 encoded */
   #define  WI_STAT_TUNNEL         0x4000  /* Bridge-tunnel encoded */
   #define  WI_STAT_WMP_MSG        0x6000  /* WaveLAN-II management protocol */
   #define  WI_STAT_MGMT           0x8000  /* 802.11b management frames */
   
   #define WI_ENC_TX_E_II          0x0E
   
   #define WI_ENC_TX_1042          0x00
   #define WI_ENC_TX_TUNNEL        0xF8
   
   /* TxControl Field (enhanced) */
   #define WI_TXCNTL_TX_OK         0x0002
   #define WI_TXCNTL_TX_EX         0x0004
   #define WI_TXCNTL_STRUCT_TYPE   0x0018
   #define  WI_ENC_TX_802_3        0x00
   #define  WI_ENC_TX_802_11       0x08
   #define WI_TXCNTL_ALTRTRY       0x0020
   #define WI_TXCNTL_NOCRYPT       0x0080
   
   /*
    * HFA3861/3863 (BBP) Control Registers
    */
   #define WI_HFA386X_CR_A_D_TEST_MODES2 0x1A
   #define WI_HFA386X_CR_MANUAL_TX_POWER 0x3E
   
   #ifdef IEEE80211_RADIOTAP_F_CFP
   /*
    * Radio capture format for Prism.
    */
   #define WI_RX_RADIOTAP_PRESENT \
           ((1 << IEEE80211_RADIOTAP_TSFT) | \
            (1 << IEEE80211_RADIOTAP_FLAGS) | \
            (1 << IEEE80211_RADIOTAP_RATE) | \
            (1 << IEEE80211_RADIOTAP_CHANNEL) | \
            (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
            (1 << IEEE80211_RADIOTAP_DB_ANTNOISE))
   
   struct wi_rx_radiotap_header {
           struct ieee80211_radiotap_header wr_ihdr;
           u_int64_t       wr_tsf;
           u_int8_t        wr_flags;
           u_int8_t        wr_rate;
           u_int16_t       wr_chan_freq;
           u_int16_t       wr_chan_flags;
           u_int8_t        wr_antsignal;
           u_int8_t        wr_antnoise;
   } __packed __aligned(8);
   
   #define WI_TX_RADIOTAP_PRESENT \
           ((1 << IEEE80211_RADIOTAP_FLAGS) | \
            (1 << IEEE80211_RADIOTAP_RATE) | \
            (1 << IEEE80211_RADIOTAP_CHANNEL))
   
   struct wi_tx_radiotap_header {
           struct ieee80211_radiotap_header wt_ihdr;
           u_int8_t        wt_flags;
           u_int8_t        wt_rate;
           u_int16_t       wt_chan_freq;
           u_int16_t       wt_chan_flags;
   } __packed;
   #endif /* IEEE80211_RADIOTAP_F_CFP */

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