/*- * Copyright (c) 2002-2006 Sam Leffler, Errno Consulting, Atheros * Communications, Inc. All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the following conditions are met: * 1. The materials contained herein are unmodified and are used * unmodified. * 2. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following NO * ''WARRANTY'' disclaimer below (''Disclaimer''), without * modification. * 3. Redistributions in binary form must reproduce at minimum a * disclaimer similar to the Disclaimer below and any redistribution * must be conditioned upon including a substantially similar * Disclaimer requirement for further binary redistribution. * 4. Neither the names of the above-listed copyright holders nor the * names of any contributors may be used to endorse or promote * product derived from this software without specific prior written * permission. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, * MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE * FOR 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 DAMAGES. * * $Id$ */ #ifndef _ATH_AH_H_ #define _ATH_AH_H_ /* * Atheros Hardware Access Layer * * Clients of the HAL call ath_hal_attach to obtain a reference to an ath_hal * structure for use with the device. Hardware-related operations that * follow must call back into the HAL through interface, supplying the * reference as the first parameter. */ /* * Bus i/o type definitions. We define a platform-independent * set of types that are mapped to platform-dependent data for * register read/write operations. We use types that are large * enough to hold a pointer; smaller data should fit and only * require type coercion to work. Larger data can be stored * elsewhere and a reference passed for the bus tag and/or handle. */ typedef void* HAL_SOFTC; /* pointer to driver/OS state */ typedef void* HAL_BUS_TAG; /* opaque bus i/o id tag */ typedef void* HAL_BUS_HANDLE; /* opaque bus i/o handle */ #include "ah_osdep.h" /* * __ahdecl is analogous to _cdecl; it defines the calling * convention used within the HAL. For most systems this * can just default to be empty and the compiler will (should) * use _cdecl. For systems where _cdecl is not compatible this * must be defined. See linux/ah_osdep.h for an example. */ #ifndef __ahdecl #define __ahdecl #endif /* * Status codes that may be returned by the HAL. Note that * interfaces that return a status code set it only when an * error occurs--i.e. you cannot check it for success. */ typedef enum { HAL_OK = 0, /* No error */ HAL_ENXIO = 1, /* No hardware present */ HAL_ENOMEM = 2, /* Memory allocation failed */ HAL_EIO = 3, /* Hardware didn't respond as expected */ HAL_EEMAGIC = 4, /* EEPROM magic number invalid */ HAL_EEVERSION = 5, /* EEPROM version invalid */ HAL_EELOCKED = 6, /* EEPROM unreadable */ HAL_EEBADSUM = 7, /* EEPROM checksum invalid */ HAL_EEREAD = 8, /* EEPROM read problem */ HAL_EEBADMAC = 9, /* EEPROM mac address invalid */ HAL_EESIZE = 10, /* EEPROM size not supported */ HAL_EEWRITE = 11, /* Attempt to change write-locked EEPROM */ HAL_EINVAL = 12, /* Invalid parameter to function */ HAL_ENOTSUPP = 13, /* Hardware revision not supported */ HAL_ESELFTEST = 14, /* Hardware self-test failed */ HAL_EINPROGRESS = 15, /* Operation incomplete */ } HAL_STATUS; typedef enum { AH_FALSE = 0, /* NB: lots of code assumes false is zero */ AH_TRUE = 1, } HAL_BOOL; typedef enum { HAL_CAP_REG_DMN = 0, /* current regulatory domain */ HAL_CAP_CIPHER = 1, /* hardware supports cipher */ HAL_CAP_TKIP_MIC = 2, /* handle TKIP MIC in hardware */ HAL_CAP_TKIP_SPLIT = 3, /* hardware TKIP uses split keys */ HAL_CAP_PHYCOUNTERS = 4, /* hardware PHY error counters */ HAL_CAP_DIVERSITY = 5, /* hardware supports fast diversity */ HAL_CAP_KEYCACHE_SIZE = 6, /* number of entries in key cache */ HAL_CAP_NUM_TXQUEUES = 7, /* number of hardware xmit queues */ HAL_CAP_VEOL = 9, /* hardware supports virtual EOL */ HAL_CAP_PSPOLL = 10, /* hardware has working PS-Poll support */ HAL_CAP_DIAG = 11, /* hardware diagnostic support */ HAL_CAP_COMPRESSION = 12, /* hardware supports compression */ HAL_CAP_BURST = 13, /* hardware supports packet bursting */ HAL_CAP_FASTFRAME = 14, /* hardware supoprts fast frames */ HAL_CAP_TXPOW = 15, /* global tx power limit */ HAL_CAP_TPC = 16, /* per-packet tx power control */ HAL_CAP_PHYDIAG = 17, /* hardware phy error diagnostic */ HAL_CAP_BSSIDMASK = 18, /* hardware supports bssid mask */ HAL_CAP_MCAST_KEYSRCH = 19, /* hardware has multicast key search */ HAL_CAP_TSF_ADJUST = 20, /* hardware has beacon tsf adjust */ HAL_CAP_XR = 21, /* hardware has XR support */ HAL_CAP_WME_TKIPMIC = 22, /* hardware can support TKIP MIC when WMM is turned on */ HAL_CAP_CHAN_HALFRATE = 23, /* hardware can support half rate channels */ HAL_CAP_CHAN_QUARTERRATE = 24, /* hardware can support quarter rate channels */ HAL_CAP_RFSILENT = 25, /* hardware has rfsilent support */ HAL_CAP_TPC_ACK = 26, /* ack txpower with per-packet tpc */ HAL_CAP_TPC_CTS = 27, /* cts txpower with per-packet tpc */ HAL_CAP_11D = 28, /* 11d beacon support for changing cc */ HAL_CAP_INTMIT = 29, /* interference mitigation */ HAL_CAP_RXORN_FATAL = 30, /* HAL_INT_RXORN treated as fatal */ HAL_CAP_HT = 31, /* hardware can support HT */ HAL_CAP_NUMTXCHAIN = 32, /* # TX chains supported */ HAL_CAP_NUMRXCHAIN = 33, /* # RX chains supported */ HAL_CAP_RXTSTAMP_PREC = 34, /* rx desc tstamp precision (bits) */ } HAL_CAPABILITY_TYPE; /* * "States" for setting the LED. These correspond to * the possible 802.11 operational states and there may * be a many-to-one mapping between these states and the * actual hardware state for the LED's (i.e. the hardware * may have fewer states). */ typedef enum { HAL_LED_INIT = 0, HAL_LED_SCAN = 1, HAL_LED_AUTH = 2, HAL_LED_ASSOC = 3, HAL_LED_RUN = 4 } HAL_LED_STATE; /* * Transmit queue types/numbers. These are used to tag * each transmit queue in the hardware and to identify a set * of transmit queues for operations such as start/stop dma. */ typedef enum { HAL_TX_QUEUE_INACTIVE = 0, /* queue is inactive/unused */ HAL_TX_QUEUE_DATA = 1, /* data xmit q's */ HAL_TX_QUEUE_BEACON = 2, /* beacon xmit q */ HAL_TX_QUEUE_CAB = 3, /* "crap after beacon" xmit q */ HAL_TX_QUEUE_UAPSD = 4, /* u-apsd power save xmit q */ } HAL_TX_QUEUE; #define HAL_NUM_TX_QUEUES 10 /* max possible # of queues */ /* * Transmit queue subtype. These map directly to * WME Access Categories (except for UPSD). Refer * to Table 5 of the WME spec. */ typedef enum { HAL_WME_AC_BK = 0, /* background access category */ HAL_WME_AC_BE = 1, /* best effort access category*/ HAL_WME_AC_VI = 2, /* video access category */ HAL_WME_AC_VO = 3, /* voice access category */ HAL_WME_UPSD = 4, /* uplink power save */ HAL_XR_DATA = 5, /* uplink power save */ } HAL_TX_QUEUE_SUBTYPE; /* * Transmit queue flags that control various * operational parameters. */ typedef enum { /* * Per queue interrupt enables. When set the associated * interrupt may be delivered for packets sent through * the queue. Without these enabled no interrupts will * be delivered for transmits through the queue. */ HAL_TXQ_TXOKINT_ENABLE = 0x0001, /* enable TXOK interrupt */ HAL_TXQ_TXERRINT_ENABLE = 0x0001, /* enable TXERR interrupt */ HAL_TXQ_TXDESCINT_ENABLE = 0x0002, /* enable TXDESC interrupt */ HAL_TXQ_TXEOLINT_ENABLE = 0x0004, /* enable TXEOL interrupt */ HAL_TXQ_TXURNINT_ENABLE = 0x0008, /* enable TXURN interrupt */ /* * Enable hardware compression for packets sent through * the queue. The compression buffer must be setup and * packets must have a key entry marked in the tx descriptor. */ HAL_TXQ_COMPRESSION_ENABLE = 0x0010, /* enable h/w compression */ /* * Disable queue when veol is hit or ready time expires. * By default the queue is disabled only on reaching the * physical end of queue (i.e. a null link ptr in the * descriptor chain). */ HAL_TXQ_RDYTIME_EXP_POLICY_ENABLE = 0x0020, /* * Schedule frames on delivery of a DBA (DMA Beacon Alert) * event. Frames will be transmitted only when this timer * fires, e.g to transmit a beacon in ap or adhoc modes. */ HAL_TXQ_DBA_GATED = 0x0040, /* schedule based on DBA */ /* * Each transmit queue has a counter that is incremented * each time the queue is enabled and decremented when * the list of frames to transmit is traversed (or when * the ready time for the queue expires). This counter * must be non-zero for frames to be scheduled for * transmission. The following controls disable bumping * this counter under certain conditions. Typically this * is used to gate frames based on the contents of another * queue (e.g. CAB traffic may only follow a beacon frame). * These are meaningful only when frames are scheduled * with a non-ASAP policy (e.g. DBA-gated). */ HAL_TXQ_CBR_DIS_QEMPTY = 0x0080, /* disable on this q empty */ HAL_TXQ_CBR_DIS_BEMPTY = 0x0100, /* disable on beacon q empty */ /* * Fragment burst backoff policy. Normally the no backoff * is done after a successful transmission, the next fragment * is sent at SIFS. If this flag is set backoff is done * after each fragment, regardless whether it was ack'd or * not, after the backoff count reaches zero a normal channel * access procedure is done before the next transmit (i.e. * wait AIFS instead of SIFS). */ HAL_TXQ_FRAG_BURST_BACKOFF_ENABLE = 0x00800000, /* * Disable post-tx backoff following each frame. */ HAL_TXQ_BACKOFF_DISABLE = 0x00010000, /* disable post backoff */ /* * DCU arbiter lockout control. This controls how * lower priority tx queues are handled with respect to * to a specific queue when multiple queues have frames * to send. No lockout means lower priority queues arbitrate * concurrently with this queue. Intra-frame lockout * means lower priority queues are locked out until the * current frame transmits (e.g. including backoffs and bursting). * Global lockout means nothing lower can arbitrary so * long as there is traffic activity on this queue (frames, * backoff, etc). */ HAL_TXQ_ARB_LOCKOUT_INTRA = 0x00020000, /* intra-frame lockout */ HAL_TXQ_ARB_LOCKOUT_GLOBAL = 0x00040000, /* full lockout s */ HAL_TXQ_IGNORE_VIRTCOL = 0x00080000, /* ignore virt collisions */ HAL_TXQ_SEQNUM_INC_DIS = 0x00100000, /* disable seqnum increment */ } HAL_TX_QUEUE_FLAGS; typedef struct { u_int32_t tqi_ver; /* hal TXQ version */ HAL_TX_QUEUE_SUBTYPE tqi_subtype; /* subtype if applicable */ HAL_TX_QUEUE_FLAGS tqi_qflags; /* flags (see above) */ u_int32_t tqi_priority; /* (not used) */ u_int32_t tqi_aifs; /* aifs */ u_int32_t tqi_cwmin; /* cwMin */ u_int32_t tqi_cwmax; /* cwMax */ u_int16_t tqi_shretry; /* rts retry limit */ u_int16_t tqi_lgretry; /* long retry limit (not used)*/ u_int32_t tqi_cbrPeriod; /* CBR period (us) */ u_int32_t tqi_cbrOverflowLimit; /* threshold for CBROVF int */ u_int32_t tqi_burstTime; /* max burst duration (us) */ u_int32_t tqi_readyTime; /* frame schedule time (us) */ u_int32_t tqi_compBuf; /* comp buffer phys addr */ } HAL_TXQ_INFO; #define HAL_TQI_NONVAL 0xffff /* token to use for aifs, cwmin, cwmax */ #define HAL_TXQ_USEDEFAULT ((u_int32_t) -1) /* compression definitions */ #define HAL_COMP_BUF_MAX_SIZE 9216 /* 9K */ #define HAL_COMP_BUF_ALIGN_SIZE 512 /* * Transmit packet types. This belongs in ah_desc.h, but * is here so we can give a proper type to various parameters * (and not require everyone include the file). * * NB: These values are intentionally assigned for * direct use when setting up h/w descriptors. */ typedef enum { HAL_PKT_TYPE_NORMAL = 0, HAL_PKT_TYPE_ATIM = 1, HAL_PKT_TYPE_PSPOLL = 2, HAL_PKT_TYPE_BEACON = 3, HAL_PKT_TYPE_PROBE_RESP = 4, HAL_PKT_TYPE_CHIRP = 5, HAL_PKT_TYPE_GRP_POLL = 6, HAL_PKT_TYPE_AMPDU = 7, } HAL_PKT_TYPE; /* Rx Filter Frame Types */ typedef enum { HAL_RX_FILTER_UCAST = 0x00000001, /* Allow unicast frames */ HAL_RX_FILTER_MCAST = 0x00000002, /* Allow multicast frames */ HAL_RX_FILTER_BCAST = 0x00000004, /* Allow broadcast frames */ HAL_RX_FILTER_CONTROL = 0x00000008, /* Allow control frames */ HAL_RX_FILTER_BEACON = 0x00000010, /* Allow beacon frames */ HAL_RX_FILTER_PROM = 0x00000020, /* Promiscuous mode */ HAL_RX_FILTER_XRPOLL = 0x00000040, /* Allow XR poll frmae */ HAL_RX_FILTER_PROBEREQ = 0x00000080, /* Allow probe request frames */ HAL_RX_FILTER_PHYERR = 0x00000100, /* Allow phy errors */ HAL_RX_FILTER_PHYRADAR = 0x00000200, /* Allow phy radar errors*/ } HAL_RX_FILTER; typedef enum { HAL_PM_AWAKE = 0, HAL_PM_FULL_SLEEP = 1, HAL_PM_NETWORK_SLEEP = 2, HAL_PM_UNDEFINED = 3 } HAL_POWER_MODE; /* * NOTE WELL: * These are mapped to take advantage of the common locations for many of * the bits on all of the currently supported MAC chips. This is to make * the ISR as efficient as possible, while still abstracting HW differences. * When new hardware breaks this commonality this enumerated type, as well * as the HAL functions using it, must be modified. All values are directly * mapped unless commented otherwise. */ typedef enum { HAL_INT_RX = 0x00000001, /* Non-common mapping */ HAL_INT_RXDESC = 0x00000002, HAL_INT_RXNOFRM = 0x00000008, HAL_INT_RXEOL = 0x00000010, HAL_INT_RXORN = 0x00000020, HAL_INT_TX = 0x00000040, /* Non-common mapping */ HAL_INT_TXDESC = 0x00000080, HAL_INT_TXURN = 0x00000800, HAL_INT_MIB = 0x00001000, HAL_INT_RXPHY = 0x00004000, HAL_INT_RXKCM = 0x00008000, HAL_INT_SWBA = 0x00010000, HAL_INT_BMISS = 0x00040000, HAL_INT_BNR = 0x00100000, /* Non-common mapping */ HAL_INT_TIM = 0x00200000, /* Non-common mapping */ HAL_INT_DTIM = 0x00400000, /* Non-common mapping */ HAL_INT_DTIMSYNC= 0x00800000, /* Non-common mapping */ HAL_INT_GPIO = 0x01000000, HAL_INT_CABEND = 0x02000000, /* Non-common mapping */ HAL_INT_CST = 0x10000000, /* Non-common mapping */ HAL_INT_GTT = 0x20000000, /* Non-common mapping */ HAL_INT_FATAL = 0x40000000, /* Non-common mapping */ #define HAL_INT_GLOBAL 0x80000000 /* Set/clear IER */ HAL_INT_BMISC = HAL_INT_TIM | HAL_INT_DTIM | HAL_INT_DTIMSYNC | HAL_INT_CABEND, /* Interrupt bits that map directly to ISR/IMR bits */ HAL_INT_COMMON = HAL_INT_RXNOFRM | HAL_INT_RXDESC | HAL_INT_RXEOL | HAL_INT_RXORN | HAL_INT_TXURN | HAL_INT_TXDESC | HAL_INT_MIB | HAL_INT_RXPHY | HAL_INT_RXKCM | HAL_INT_SWBA | HAL_INT_BMISS | HAL_INT_GPIO, } HAL_INT; typedef enum { HAL_RFGAIN_INACTIVE = 0, HAL_RFGAIN_READ_REQUESTED = 1, HAL_RFGAIN_NEED_CHANGE = 2 } HAL_RFGAIN; /* * Channels are specified by frequency. */ typedef struct { u_int32_t channelFlags; /* see below */ u_int16_t channel; /* setting in MHz */ u_int8_t privFlags; int8_t maxRegTxPower; /* max regulatory tx power in dBm */ int8_t maxTxPower; /* max true tx power in 0.5 dBm */ int8_t minTxPower; /* min true tx power in 0.5 dBm */ } HAL_CHANNEL; /* channelFlags */ #define CHANNEL_CW_INT 0x00002 /* CW interference detected on channel */ #define CHANNEL_TURBO 0x00010 /* Turbo Channel */ #define CHANNEL_CCK 0x00020 /* CCK channel */ #define CHANNEL_OFDM 0x00040 /* OFDM channel */ #define CHANNEL_2GHZ 0x00080 /* 2 GHz spectrum channel */ #define CHANNEL_5GHZ 0x00100 /* 5 GHz spectrum channel */ #define CHANNEL_PASSIVE 0x00200 /* Only passive scan allowed in the channel */ #define CHANNEL_DYN 0x00400 /* dynamic CCK-OFDM channel */ #define CHANNEL_XR 0x00800 /* XR channel */ #define CHANNEL_STURBO 0x02000 /* Static turbo, no 11a-only usage */ #define CHANNEL_HALF 0x04000 /* Half rate channel */ #define CHANNEL_QUARTER 0x08000 /* Quarter rate channel */ #define CHANNEL_HT20 0x10000 /* 11n 20MHZ channel */ #define CHANNEL_HT40PLUS 0x20000 /* 11n 40MHZ channel w/ ext chan above */ #define CHANNEL_HT40MINUS 0x40000 /* 11n 40MHZ channel w/ ext chan below */ /* privFlags */ #define CHANNEL_INTERFERENCE 0x01 /* Software use: channel interference used for as AR as well as RADAR interference detection */ #define CHANNEL_DFS 0x02 /* DFS required on channel */ #define CHANNEL_4MS_LIMIT 0x04 /* 4msec packet limit on this channel */ #define CHANNEL_DFS_CLEAR 0x08 /* if channel has been checked for DFS */ #define CHANNEL_A (CHANNEL_5GHZ|CHANNEL_OFDM) #define CHANNEL_B (CHANNEL_2GHZ|CHANNEL_CCK) #define CHANNEL_PUREG (CHANNEL_2GHZ|CHANNEL_OFDM) #ifdef notdef #define CHANNEL_G (CHANNEL_2GHZ|CHANNEL_DYN) #else #define CHANNEL_G (CHANNEL_2GHZ|CHANNEL_OFDM) #endif #define CHANNEL_T (CHANNEL_5GHZ|CHANNEL_OFDM|CHANNEL_TURBO) #define CHANNEL_ST (CHANNEL_T|CHANNEL_STURBO) #define CHANNEL_108G (CHANNEL_2GHZ|CHANNEL_OFDM|CHANNEL_TURBO) #define CHANNEL_108A CHANNEL_T #define CHANNEL_X (CHANNEL_5GHZ|CHANNEL_OFDM|CHANNEL_XR) #define CHANNEL_G_HT20 (CHANNEL_2GHZ|CHANNEL_OFDM | CHANNEL_HT20) #define CHANNEL_A_HT20 (CHANNEL_5GHZ|CHANNEL_OFDM | CHANNEL_HT20) #define CHANNEL_G_HT40PLUS (CHANNEL_G_HT20|CHANNEL_HT40PLUS) #define CHANNEL_G_HT40MINUS (CHANNEL_G_HT20|CHANNEL_HT40MINUS) #define CHANNEL_A_HT40PLUS (CHANNEL_A_HT20|CHANNEL_HT40PLUS) #define CHANNEL_A_HT40MINUS (CHANNEL_A_HT20|CHANNEL_HT40MINUS) #define CHANNEL_ALL \ (CHANNEL_OFDM | CHANNEL_CCK| CHANNEL_2GHZ | CHANNEL_5GHZ | \ CHANNEL_TURBO | CHANNEL_HT20 | CHANNEL_HT40PLUS | CHANNEL_HT40MINUS) #define CHANNEL_ALL_NOTURBO (CHANNEL_ALL &~ CHANNEL_TURBO) #define HAL_ANTENNA_MIN_MODE 0 #define HAL_ANTENNA_FIXED_A 1 #define HAL_ANTENNA_FIXED_B 2 #define HAL_ANTENNA_MAX_MODE 3 typedef struct { u_int32_t ackrcv_bad; u_int32_t rts_bad; u_int32_t rts_good; u_int32_t fcs_bad; u_int32_t beacons; } HAL_MIB_STATS; typedef u_int16_t HAL_CTRY_CODE; /* country code */ typedef u_int16_t HAL_REG_DOMAIN; /* regulatory domain code */ enum { CTRY_DEBUG = 0x1ff, /* debug country code */ CTRY_DEFAULT = 0 /* default country code */ }; enum { HAL_MODE_11A = 0x001, /* 11a channels */ HAL_MODE_TURBO = 0x002, /* 11a turbo-only channels */ HAL_MODE_11B = 0x004, /* 11b channels */ HAL_MODE_PUREG = 0x008, /* 11g channels (OFDM only) */ #ifdef notdef HAL_MODE_11G = 0x010, /* 11g channels (OFDM/CCK) */ #else HAL_MODE_11G = 0x008, /* XXX historical */ #endif HAL_MODE_108G = 0x020, /* 11a+Turbo channels */ HAL_MODE_108A = 0x040, /* 11g+Turbo channels */ HAL_MODE_XR = 0x100, /* XR channels */ HAL_MODE_11A_HALF_RATE = 0x200, /* 11A half rate channels */ HAL_MODE_11A_QUARTER_RATE = 0x400, /* 11A quarter rate channels */ HAL_MODE_11NG_HT20 = 0x8000, HAL_MODE_11NA_HT20 = 0x10000, HAL_MODE_11NG_HT40PLUS = 0x20000, HAL_MODE_11NG_HT40MINUS = 0x40000, HAL_MODE_11NA_HT40PLUS = 0x80000, HAL_MODE_11NA_HT40MINUS = 0x100000, HAL_MODE_ALL = 0xfff }; typedef struct { int rateCount; /* NB: for proper padding */ u_int8_t rateCodeToIndex[32]; /* back mapping */ struct { u_int8_t valid; /* valid for rate control use */ u_int8_t phy; /* CCK/OFDM/XR */ u_int32_t rateKbps; /* transfer rate in kbs */ u_int8_t rateCode; /* rate for h/w descriptors */ u_int8_t shortPreamble; /* mask for enabling short * preamble in CCK rate code */ u_int8_t dot11Rate; /* value for supported rates * info element of MLME */ u_int8_t controlRate; /* index of next lower basic * rate; used for dur. calcs */ u_int16_t lpAckDuration; /* long preamble ACK duration */ u_int16_t spAckDuration; /* short preamble ACK duration*/ } info[32]; } HAL_RATE_TABLE; typedef struct { u_int rs_count; /* number of valid entries */ u_int8_t rs_rates[32]; /* rates */ } HAL_RATE_SET; /* * 802.11n specific structures and enums */ typedef enum { HAL_CHAINTYPE_TX = 1, /* Tx chain type */ HAL_CHAINTYPE_RX = 2, /* RX chain type */ } HAL_CHAIN_TYPE; typedef struct { u_int Tries; u_int Rate; u_int PktDuration; u_int ChSel; u_int RateFlags; #define HAL_RATESERIES_RTS_CTS 0x0001 /* use rts/cts w/this series */ #define HAL_RATESERIES_2040 0x0002 /* use ext channel for series */ #define HAL_RATESERIES_HALFGI 0x0004 /* use half-gi for series */ } HAL_11N_RATE_SERIES; typedef enum { HAL_HT_MACMODE_20 = 0, /* 20 MHz operation */ HAL_HT_MACMODE_2040 = 1, /* 20/40 MHz operation */ } HAL_HT_MACMODE; typedef enum { HAL_HT_PHYMODE_20 = 0, /* 20 MHz operation */ HAL_HT_PHYMODE_2040 = 1, /* 20/40 MHz operation */ } HAL_HT_PHYMODE; typedef enum { HAL_HT_EXTPROTSPACING_20 = 0, /* 20 MHz spacing */ HAL_HT_EXTPROTSPACING_25 = 1, /* 25 MHz spacing */ } HAL_HT_EXTPROTSPACING; typedef enum { HAL_RX_CLEAR_CTL_LOW = 0x1, /* force control channel to appear busy */ HAL_RX_CLEAR_EXT_LOW = 0x2, /* force extension channel to appear busy */ } HAL_HT_RXCLEAR; /* * Antenna switch control. By default antenna selection * enables multiple (2) antenna use. To force use of the * A or B antenna only specify a fixed setting. Fixing * the antenna will also disable any diversity support. */ typedef enum { HAL_ANT_VARIABLE = 0, /* variable by programming */ HAL_ANT_FIXED_A = 1, /* fixed antenna A */ HAL_ANT_FIXED_B = 2, /* fixed antenna B */ } HAL_ANT_SETTING; typedef enum { HAL_M_STA = 1, /* infrastructure station */ HAL_M_IBSS = 0, /* IBSS (adhoc) station */ HAL_M_HOSTAP = 6, /* Software Access Point */ HAL_M_MONITOR = 8 /* Monitor mode */ } HAL_OPMODE; typedef struct { u_int8_t kv_type; /* one of HAL_CIPHER */ u_int8_t kv_pad; u_int16_t kv_len; /* length in bits */ u_int8_t kv_val[16]; /* enough for 128-bit keys */ u_int8_t kv_mic[8]; /* TKIP MIC key */ u_int8_t kv_txmic[8]; /* TKIP TX MIC key (optional) */ } HAL_KEYVAL; typedef enum { HAL_CIPHER_WEP = 0, HAL_CIPHER_AES_OCB = 1, HAL_CIPHER_AES_CCM = 2, HAL_CIPHER_CKIP = 3, HAL_CIPHER_TKIP = 4, HAL_CIPHER_CLR = 5, /* no encryption */ HAL_CIPHER_MIC = 127 /* TKIP-MIC, not a cipher */ } HAL_CIPHER; enum { HAL_SLOT_TIME_6 = 6, /* NB: for turbo mode */ HAL_SLOT_TIME_9 = 9, HAL_SLOT_TIME_20 = 20, }; /* * Per-station beacon timer state. Note that the specified * beacon interval (given in TU's) can also include flags * to force a TSF reset and to enable the beacon xmit logic. * If bs_cfpmaxduration is non-zero the hardware is setup to * coexist with a PCF-capable AP. */ typedef struct { u_int32_t bs_nexttbtt; /* next beacon in TU */ u_int32_t bs_nextdtim; /* next DTIM in TU */ u_int32_t bs_intval; /* beacon interval+flags */ #define HAL_BEACON_PERIOD 0x0000ffff /* beacon interval period */ #define HAL_BEACON_ENA 0x00800000 /* beacon xmit enable */ #define HAL_BEACON_RESET_TSF 0x01000000 /* clear TSF */ u_int32_t bs_dtimperiod; u_int16_t bs_cfpperiod; /* CFP period in TU */ u_int16_t bs_cfpmaxduration; /* max CFP duration in TU */ u_int32_t bs_cfpnext; /* next CFP in TU */ u_int16_t bs_timoffset; /* byte offset to TIM bitmap */ u_int16_t bs_bmissthreshold; /* beacon miss threshold */ u_int32_t bs_sleepduration; /* max sleep duration */ } HAL_BEACON_STATE; /* * Like HAL_BEACON_STATE but for non-station mode setup. * NB: see above flag definitions for bt_intval. */ typedef struct { u_int32_t bt_intval; /* beacon interval+flags */ u_int32_t bt_nexttbtt; /* next beacon in TU */ u_int32_t bt_nextatim; /* next ATIM in TU */ u_int32_t bt_nextdba; /* next DBA in 1/8th TU */ u_int32_t bt_nextswba; /* next SWBA in 1/8th TU */ u_int32_t bt_flags; /* timer enables */ #define HAL_BEACON_TBTT_EN 0x00000001 #define HAL_BEACON_DBA_EN 0x00000002 #define HAL_BEACON_SWBA_EN 0x00000004 } HAL_BEACON_TIMERS; /* * Per-node statistics maintained by the driver for use in * optimizing signal quality and other operational aspects. */ typedef struct { u_int32_t ns_avgbrssi; /* average beacon rssi */ u_int32_t ns_avgrssi; /* average data rssi */ u_int32_t ns_avgtxrssi; /* average tx rssi */ } HAL_NODE_STATS; #define HAL_RSSI_EP_MULTIPLIER (1<<7) /* pow2 to optimize out * and / */ struct ath_desc; struct ath_tx_status; struct ath_rx_status; /* * Hardware Access Layer (HAL) API. * * Clients of the HAL call ath_hal_attach to obtain a reference to an * ath_hal structure for use with the device. Hardware-related operations * that follow must call back into the HAL through interface, supplying * the reference as the first parameter. Note that before using the * reference returned by ath_hal_attach the caller should verify the * ABI version number. */ struct ath_hal { u_int32_t ah_magic; /* consistency check magic number */ u_int32_t ah_abi; /* HAL ABI version */ #define HAL_ABI_VERSION 0x07013100 /* YYMMDDnn */ u_int16_t ah_devid; /* PCI device ID */ u_int16_t ah_subvendorid; /* PCI subvendor ID */ HAL_SOFTC ah_sc; /* back pointer to driver/os state */ HAL_BUS_TAG ah_st; /* params for register r+w */ HAL_BUS_HANDLE ah_sh; HAL_CTRY_CODE ah_countryCode; u_int32_t ah_macVersion; /* MAC version id */ u_int16_t ah_macRev; /* MAC revision */ u_int16_t ah_phyRev; /* PHY revision */ /* NB: when only one radio is present the rev is in 5Ghz */ u_int16_t ah_analog5GhzRev;/* 5GHz radio revision */ u_int16_t ah_analog2GhzRev;/* 2GHz radio revision */ const HAL_RATE_TABLE *__ahdecl(*ah_getRateTable)(struct ath_hal *, u_int mode); void __ahdecl(*ah_detach)(struct ath_hal*); /* Reset functions */ HAL_BOOL __ahdecl(*ah_reset)(struct ath_hal *, HAL_OPMODE, HAL_CHANNEL *, HAL_BOOL bChannelChange, HAL_STATUS *status); HAL_BOOL __ahdecl(*ah_phyDisable)(struct ath_hal *); HAL_BOOL __ahdecl(*ah_disable)(struct ath_hal *); void __ahdecl(*ah_setPCUConfig)(struct ath_hal *); HAL_BOOL __ahdecl(*ah_perCalibration)(struct ath_hal*, HAL_CHANNEL *, HAL_BOOL *); HAL_BOOL __ahdecl(*ah_setTxPowerLimit)(struct ath_hal *, u_int32_t); /* DFS support */ HAL_BOOL __ahdecl(*ah_radarWait)(struct ath_hal *, HAL_CHANNEL *); /* Transmit functions */ HAL_BOOL __ahdecl(*ah_updateTxTrigLevel)(struct ath_hal*, HAL_BOOL incTrigLevel); int __ahdecl(*ah_setupTxQueue)(struct ath_hal *, HAL_TX_QUEUE, const HAL_TXQ_INFO *qInfo); HAL_BOOL __ahdecl(*ah_setTxQueueProps)(struct ath_hal *, int q, const HAL_TXQ_INFO *qInfo); HAL_BOOL __ahdecl(*ah_getTxQueueProps)(struct ath_hal *, int q, HAL_TXQ_INFO *qInfo); HAL_BOOL __ahdecl(*ah_releaseTxQueue)(struct ath_hal *ah, u_int q); HAL_BOOL __ahdecl(*ah_resetTxQueue)(struct ath_hal *ah, u_int q); u_int32_t __ahdecl(*ah_getTxDP)(struct ath_hal*, u_int); HAL_BOOL __ahdecl(*ah_setTxDP)(struct ath_hal*, u_int, u_int32_t txdp); u_int32_t __ahdecl(*ah_numTxPending)(struct ath_hal *, u_int q); HAL_BOOL __ahdecl(*ah_startTxDma)(struct ath_hal*, u_int); HAL_BOOL __ahdecl(*ah_stopTxDma)(struct ath_hal*, u_int); HAL_BOOL __ahdecl(*ah_setupTxDesc)(struct ath_hal *, struct ath_desc *, u_int pktLen, u_int hdrLen, HAL_PKT_TYPE type, u_int txPower, u_int txRate0, u_int txTries0, u_int keyIx, u_int antMode, u_int flags, u_int rtsctsRate, u_int rtsctsDuration, u_int compicvLen, u_int compivLen, u_int comp); HAL_BOOL __ahdecl(*ah_setupXTxDesc)(struct ath_hal *, struct ath_desc*, u_int txRate1, u_int txTries1, u_int txRate2, u_int txTries2, u_int txRate3, u_int txTries3); HAL_BOOL __ahdecl(*ah_fillTxDesc)(struct ath_hal *, struct ath_desc *, u_int segLen, HAL_BOOL firstSeg, HAL_BOOL lastSeg, const struct ath_desc *); HAL_STATUS __ahdecl(*ah_procTxDesc)(struct ath_hal *, struct ath_desc *, struct ath_tx_status *); void __ahdecl(*ah_getTxIntrQueue)(struct ath_hal *, u_int32_t *); void __ahdecl(*ah_reqTxIntrDesc)(struct ath_hal *, struct ath_desc*); /* Receive Functions */ u_int32_t __ahdecl(*ah_getRxDP)(struct ath_hal*); void __ahdecl(*ah_setRxDP)(struct ath_hal*, u_int32_t rxdp); void __ahdecl(*ah_enableReceive)(struct ath_hal*); HAL_BOOL __ahdecl(*ah_stopDmaReceive)(struct ath_hal*); void __ahdecl(*ah_startPcuReceive)(struct ath_hal*); void __ahdecl(*ah_stopPcuReceive)(struct ath_hal*); void __ahdecl(*ah_setMulticastFilter)(struct ath_hal*, u_int32_t filter0, u_int32_t filter1); HAL_BOOL __ahdecl(*ah_setMulticastFilterIndex)(struct ath_hal*, u_int32_t index); HAL_BOOL __ahdecl(*ah_clrMulticastFilterIndex)(struct ath_hal*, u_int32_t index); u_int32_t __ahdecl(*ah_getRxFilter)(struct ath_hal*); void __ahdecl(*ah_setRxFilter)(struct ath_hal*, u_int32_t); HAL_BOOL __ahdecl(*ah_setupRxDesc)(struct ath_hal *, struct ath_desc *, u_int32_t size, u_int flags); HAL_STATUS __ahdecl(*ah_procRxDesc)(struct ath_hal *, struct ath_desc *, u_int32_t phyAddr, struct ath_desc *next, u_int64_t tsf, struct ath_rx_status *); void __ahdecl(*ah_rxMonitor)(struct ath_hal *, const HAL_NODE_STATS *, HAL_CHANNEL *); void __ahdecl(*ah_procMibEvent)(struct ath_hal *, const HAL_NODE_STATS *); /* Misc Functions */ HAL_STATUS __ahdecl(*ah_getCapability)(struct ath_hal *, HAL_CAPABILITY_TYPE, u_int32_t capability, u_int32_t *result); HAL_BOOL __ahdecl(*ah_setCapability)(struct ath_hal *, HAL_CAPABILITY_TYPE, u_int32_t capability, u_int32_t setting, HAL_STATUS *); HAL_BOOL __ahdecl(*ah_getDiagState)(struct ath_hal *, int request, const void *args, u_int32_t argsize, void **result, u_int32_t *resultsize); void __ahdecl(*ah_getMacAddress)(struct ath_hal *, u_int8_t *); HAL_BOOL __ahdecl(*ah_setMacAddress)(struct ath_hal *, const u_int8_t*); void __ahdecl(*ah_getBssIdMask)(struct ath_hal *, u_int8_t *); HAL_BOOL __ahdecl(*ah_setBssIdMask)(struct ath_hal *, const u_int8_t*); HAL_BOOL __ahdecl(*ah_setRegulatoryDomain)(struct ath_hal*, u_int16_t, HAL_STATUS *); void __ahdecl(*ah_setLedState)(struct ath_hal*, HAL_LED_STATE); void __ahdecl(*ah_writeAssocid)(struct ath_hal*, const u_int8_t *bssid, u_int16_t assocId); HAL_BOOL __ahdecl(*ah_gpioCfgOutput)(struct ath_hal *, u_int32_t gpio); HAL_BOOL __ahdecl(*ah_gpioCfgInput)(struct ath_hal *, u_int32_t gpio); u_int32_t __ahdecl(*ah_gpioGet)(struct ath_hal *, u_int32_t gpio); HAL_BOOL __ahdecl(*ah_gpioSet)(struct ath_hal *, u_int32_t gpio, u_int32_t val); void __ahdecl(*ah_gpioSetIntr)(struct ath_hal*, u_int, u_int32_t); u_int32_t __ahdecl(*ah_getTsf32)(struct ath_hal*); u_int64_t __ahdecl(*ah_getTsf64)(struct ath_hal*); void __ahdecl(*ah_resetTsf)(struct ath_hal*); HAL_BOOL __ahdecl(*ah_detectCardPresent)(struct ath_hal*); void __ahdecl(*ah_updateMibCounters)(struct ath_hal*, HAL_MIB_STATS*); HAL_RFGAIN __ahdecl(*ah_getRfGain)(struct ath_hal*); u_int __ahdecl(*ah_getDefAntenna)(struct ath_hal*); void __ahdecl(*ah_setDefAntenna)(struct ath_hal*, u_int); HAL_ANT_SETTING __ahdecl(*ah_getAntennaSwitch)(struct ath_hal*); HAL_BOOL __ahdecl(*ah_setAntennaSwitch)(struct ath_hal*, HAL_ANT_SETTING); HAL_BOOL __ahdecl(*ah_setSlotTime)(struct ath_hal*, u_int); u_int __ahdecl(*ah_getSlotTime)(struct ath_hal*); HAL_BOOL __ahdecl(*ah_setAckTimeout)(struct ath_hal*, u_int); u_int __ahdecl(*ah_getAckTimeout)(struct ath_hal*); HAL_BOOL __ahdecl(*ah_setAckCTSRate)(struct ath_hal*, u_int); u_int __ahdecl(*ah_getAckCTSRate)(struct ath_hal*); HAL_BOOL __ahdecl(*ah_setCTSTimeout)(struct ath_hal*, u_int); u_int __ahdecl(*ah_getCTSTimeout)(struct ath_hal*); HAL_BOOL __ahdecl(*ah_setDecompMask)(struct ath_hal*, u_int16_t, int); void __ahdecl(*ah_setCoverageClass)(struct ath_hal*, u_int8_t, int); /* Key Cache Functions */ u_int32_t __ahdecl(*ah_getKeyCacheSize)(struct ath_hal*); HAL_BOOL __ahdecl(*ah_resetKeyCacheEntry)(struct ath_hal*, u_int16_t); HAL_BOOL __ahdecl(*ah_isKeyCacheEntryValid)(struct ath_hal *, u_int16_t); HAL_BOOL __ahdecl(*ah_setKeyCacheEntry)(struct ath_hal*, u_int16_t, const HAL_KEYVAL *, const u_int8_t *, int); HAL_BOOL __ahdecl(*ah_setKeyCacheEntryMac)(struct ath_hal*, u_int16_t, const u_int8_t *); /* Power Management Functions */ HAL_BOOL __ahdecl(*ah_setPowerMode)(struct ath_hal*, HAL_POWER_MODE mode, int setChip); HAL_POWER_MODE __ahdecl(*ah_getPowerMode)(struct ath_hal*); int16_t __ahdecl(*ah_getChanNoise)(struct ath_hal *, HAL_CHANNEL *); /* Beacon Management Functions */ void __ahdecl(*ah_setBeaconTimers)(struct ath_hal*, const HAL_BEACON_TIMERS *); /* NB: deprecated, use ah_setBeaconTimers instead */ void __ahdecl(*ah_beaconInit)(struct ath_hal *, u_int32_t nexttbtt, u_int32_t intval); void __ahdecl(*ah_setStationBeaconTimers)(struct ath_hal*, const HAL_BEACON_STATE *); void __ahdecl(*ah_resetStationBeaconTimers)(struct ath_hal*); /* Interrupt functions */ HAL_BOOL __ahdecl(*ah_isInterruptPending)(struct ath_hal*); HAL_BOOL __ahdecl(*ah_getPendingInterrupts)(struct ath_hal*, HAL_INT*); HAL_INT __ahdecl(*ah_getInterrupts)(struct ath_hal*); HAL_INT __ahdecl(*ah_setInterrupts)(struct ath_hal*, HAL_INT); }; /* * Check the PCI vendor ID and device ID against Atheros' values * and return a printable description for any Atheros hardware. * AH_NULL is returned if the ID's do not describe Atheros hardware. */ extern const char *__ahdecl ath_hal_probe(u_int16_t vendorid, u_int16_t devid); /* * Attach the HAL for use with the specified device. The device is * defined by the PCI device ID. The caller provides an opaque pointer * to an upper-layer data structure (HAL_SOFTC) that is stored in the * HAL state block for later use. Hardware register accesses are done * using the specified bus tag and handle. On successful return a * reference to a state block is returned that must be supplied in all * subsequent HAL calls. Storage associated with this reference is * dynamically allocated and must be freed by calling the ah_detach * method when the client is done. If the attach operation fails a * null (AH_NULL) reference will be returned and a status code will * be returned if the status parameter is non-zero. */ extern struct ath_hal * __ahdecl ath_hal_attach(u_int16_t devid, HAL_SOFTC, HAL_BUS_TAG, HAL_BUS_HANDLE, HAL_STATUS* status); /* * Set the Vendor ID for Vendor SKU's which can modify the * channel properties returned by ath_hal_init_channels. */ extern HAL_BOOL __ahdecl ath_hal_setvendor(struct ath_hal *, u_int32_t ); /* * Return a list of channels available for use with the hardware. * The list is based on what the hardware is capable of, the specified * country code, the modeSelect mask, and whether or not outdoor * channels are to be permitted. * * The channel list is returned in the supplied array. maxchans * defines the maximum size of this array. nchans contains the actual * number of channels returned. If a problem occurred or there were * no channels that met the criteria then AH_FALSE is returned. */ extern HAL_BOOL __ahdecl ath_hal_init_channels(struct ath_hal *, HAL_CHANNEL *chans, u_int maxchans, u_int *nchans, u_int8_t *regclassids, u_int maxregids, u_int *nregids, HAL_CTRY_CODE cc, u_int modeSelect, HAL_BOOL enableOutdoor, HAL_BOOL enableExtendedChannels); /* * Calibrate noise floor data following a channel scan or similar. * This must be called prior retrieving noise floor data. */ extern void __ahdecl ath_hal_process_noisefloor(struct ath_hal *ah); /* * Return bit mask of wireless modes supported by the hardware. */ extern u_int __ahdecl ath_hal_getwirelessmodes(struct ath_hal*, HAL_CTRY_CODE); /* * Calculate the transmit duration of a frame. */ extern u_int16_t __ahdecl ath_hal_computetxtime(struct ath_hal *, const HAL_RATE_TABLE *rates, u_int32_t frameLen, u_int16_t rateix, HAL_BOOL shortPreamble); /* * Return if device is public safety. */ extern HAL_BOOL __ahdecl ath_hal_ispublicsafetysku(struct ath_hal *); /* * Return if device is operating in 900 MHz band. */ extern HAL_BOOL ath_hal_isgsmsku(struct ath_hal *); /* * Convert between IEEE channel number and channel frequency * using the specified channel flags; e.g. CHANNEL_2GHZ. */ extern int __ahdecl ath_hal_mhz2ieee(struct ath_hal *, u_int mhz, u_int flags); /* * Return a version string for the HAL release. */ extern char ath_hal_version[]; /* * Return a NULL-terminated array of build/configuration options. */ extern const char* ath_hal_buildopts[]; #endif /* _ATH_AH_H_ */