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/*
* Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
* Copyright (c) 2002-2008 Atheros Communications, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id$
*/
#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.
*/
#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 */
/* 21 was HAL_CAP_XR */
HAL_CAP_WME_TKIPMIC = 22, /* hardware can support TKIP MIC when WMM is turned on */
/* 23 was HAL_CAP_CHAN_HALFRATE */
/* 24 was HAL_CAP_CHAN_QUARTERRATE */
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_TX_CHAINMASK = 32, /* mask of TX chains supported */
HAL_CAP_RX_CHAINMASK = 33, /* mask of RX chains supported */
HAL_CAP_RXTSTAMP_PREC = 34, /* rx desc tstamp precision (bits) */
HAL_CAP_BB_HANG = 35, /* can baseband hang */
HAL_CAP_MAC_HANG = 36, /* can MAC hang */
} 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_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 {
uint32_t tqi_ver; /* hal TXQ version */
HAL_TX_QUEUE_SUBTYPE tqi_subtype; /* subtype if applicable */
HAL_TX_QUEUE_FLAGS tqi_qflags; /* flags (see above) */
uint32_t tqi_priority; /* (not used) */
uint32_t tqi_aifs; /* aifs */
uint32_t tqi_cwmin; /* cwMin */
uint32_t tqi_cwmax; /* cwMax */
uint16_t tqi_shretry; /* rts retry limit */
uint16_t tqi_lgretry; /* long retry limit (not used)*/
uint32_t tqi_cbrPeriod; /* CBR period (us) */
uint32_t tqi_cbrOverflowLimit; /* threshold for CBROVF int */
uint32_t tqi_burstTime; /* max burst duration (us) */
uint32_t tqi_readyTime; /* frame schedule time (us) */
uint32_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 ((uint32_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_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_COMPBAR = 0x00000400, /* Allow compressed BAR */
} 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_TSFOOR = 0x04000000, /* 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 {
uint32_t channelFlags; /* see below */
uint16_t channel; /* setting in Mhz */
uint8_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_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_G_HT20 (CHANNEL_G|CHANNEL_HT20)
#define CHANNEL_A_HT20 (CHANNEL_A|CHANNEL_HT20)
#define CHANNEL_G_HT40PLUS (CHANNEL_G|CHANNEL_HT40PLUS)
#define CHANNEL_G_HT40MINUS (CHANNEL_G|CHANNEL_HT40MINUS)
#define CHANNEL_A_HT40PLUS (CHANNEL_A|CHANNEL_HT40PLUS)
#define CHANNEL_A_HT40MINUS (CHANNEL_A|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 {
uint32_t ackrcv_bad;
uint32_t rts_bad;
uint32_t rts_good;
uint32_t fcs_bad;
uint32_t beacons;
} HAL_MIB_STATS;
typedef uint16_t HAL_CTRY_CODE; /* country code */
typedef uint16_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, /* 11g+Turbo channels */
HAL_MODE_108A = 0x040, /* 11a+Turbo channels */
HAL_MODE_11A_HALF_RATE = 0x200, /* 11a half width channels */
HAL_MODE_11A_QUARTER_RATE = 0x400, /* 11a quarter width channels */
HAL_MODE_11G_HALF_RATE = 0x800, /* 11g half width channels */
HAL_MODE_11G_QUARTER_RATE = 0x1000, /* 11g quarter width channels */
HAL_MODE_11NG_HT20 = 0x008000,
HAL_MODE_11NA_HT20 = 0x010000,
HAL_MODE_11NG_HT40PLUS = 0x020000,
HAL_MODE_11NG_HT40MINUS = 0x040000,
HAL_MODE_11NA_HT40PLUS = 0x080000,
HAL_MODE_11NA_HT40MINUS = 0x100000,
HAL_MODE_ALL = 0xffffff
};
typedef struct {
int rateCount; /* NB: for proper padding */
uint8_t rateCodeToIndex[144]; /* back mapping */
struct {
uint8_t valid; /* valid for rate control use */
uint8_t phy; /* CCK/OFDM/XR */
uint32_t rateKbps; /* transfer rate in kbs */
uint8_t rateCode; /* rate for h/w descriptors */
uint8_t shortPreamble; /* mask for enabling short
* preamble in CCK rate code */
uint8_t dot11Rate; /* value for supported rates
* info element of MLME */
uint8_t controlRate; /* index of next lower basic
* rate; used for dur. calcs */
uint16_t lpAckDuration; /* long preamble ACK duration */
uint16_t spAckDuration; /* short preamble ACK duration*/
} info[32];
} HAL_RATE_TABLE;
typedef struct {
u_int rs_count; /* number of valid entries */
uint8_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 {
uint8_t kv_type; /* one of HAL_CIPHER */
uint8_t kv_pad;
uint16_t kv_len; /* length in bits */
uint8_t kv_val[16]; /* enough for 128-bit keys */
uint8_t kv_mic[8]; /* TKIP MIC key */
uint8_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 {
uint32_t bs_nexttbtt; /* next beacon in TU */
uint32_t bs_nextdtim; /* next DTIM in TU */
uint32_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 */
uint32_t bs_dtimperiod;
uint16_t bs_cfpperiod; /* CFP period in TU */
uint16_t bs_cfpmaxduration; /* max CFP duration in TU */
uint32_t bs_cfpnext; /* next CFP in TU */
uint16_t bs_timoffset; /* byte offset to TIM bitmap */
uint16_t bs_bmissthreshold; /* beacon miss threshold */
uint32_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 {
uint32_t bt_intval; /* beacon interval+flags */
uint32_t bt_nexttbtt; /* next beacon in TU */
uint32_t bt_nextatim; /* next ATIM in TU */
uint32_t bt_nextdba; /* next DBA in 1/8th TU */
uint32_t bt_nextswba; /* next SWBA in 1/8th TU */
uint32_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 {
uint32_t ns_avgbrssi; /* average beacon rssi */
uint32_t ns_avgrssi; /* average data rssi */
uint32_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 {
uint32_t ah_magic; /* consistency check magic number */
uint32_t ah_abi; /* HAL ABI version */
#define HAL_ABI_VERSION 0x08112800 /* YYMMDDnn */
uint16_t ah_devid; /* PCI device ID */
uint16_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;
uint32_t ah_macVersion; /* MAC version id */
uint16_t ah_macRev; /* MAC revision */
uint16_t ah_phyRev; /* PHY revision */
/* NB: when only one radio is present the rev is in 5Ghz */
uint16_t ah_analog5GhzRev;/* 5GHz radio revision */
uint16_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_configPCIE)(struct ath_hal *, HAL_BOOL restore);
void __ahdecl(*ah_disablePCIE)(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_perCalibrationN)(struct ath_hal *, HAL_CHANNEL *,
u_int chainMask, HAL_BOOL longCal, HAL_BOOL *isCalDone);
HAL_BOOL __ahdecl(*ah_resetCalValid)(struct ath_hal *, HAL_CHANNEL *);
HAL_BOOL __ahdecl(*ah_setTxPowerLimit)(struct ath_hal *, uint32_t);
/* 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);
uint32_t __ahdecl(*ah_getTxDP)(struct ath_hal*, u_int);
HAL_BOOL __ahdecl(*ah_setTxDP)(struct ath_hal*, u_int, uint32_t txdp);
uint32_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 *, uint32_t *);
void __ahdecl(*ah_reqTxIntrDesc)(struct ath_hal *, struct ath_desc*);
/* Receive Functions */
uint32_t __ahdecl(*ah_getRxDP)(struct ath_hal*);
void __ahdecl(*ah_setRxDP)(struct ath_hal*, uint32_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*,
uint32_t filter0, uint32_t filter1);
HAL_BOOL __ahdecl(*ah_setMulticastFilterIndex)(struct ath_hal*,
uint32_t index);
HAL_BOOL __ahdecl(*ah_clrMulticastFilterIndex)(struct ath_hal*,
uint32_t index);
uint32_t __ahdecl(*ah_getRxFilter)(struct ath_hal*);
void __ahdecl(*ah_setRxFilter)(struct ath_hal*, uint32_t);
HAL_BOOL __ahdecl(*ah_setupRxDesc)(struct ath_hal *, struct ath_desc *,
uint32_t size, u_int flags);
HAL_STATUS __ahdecl(*ah_procRxDesc)(struct ath_hal *,
struct ath_desc *, uint32_t phyAddr,
struct ath_desc *next, uint64_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, uint32_t capability,
uint32_t *result);
HAL_BOOL __ahdecl(*ah_setCapability)(struct ath_hal *,
HAL_CAPABILITY_TYPE, uint32_t capability,
uint32_t setting, HAL_STATUS *);
HAL_BOOL __ahdecl(*ah_getDiagState)(struct ath_hal *, int request,
const void *args, uint32_t argsize,
void **result, uint32_t *resultsize);
void __ahdecl(*ah_getMacAddress)(struct ath_hal *, uint8_t *);
HAL_BOOL __ahdecl(*ah_setMacAddress)(struct ath_hal *, const uint8_t*);
void __ahdecl(*ah_getBssIdMask)(struct ath_hal *, uint8_t *);
HAL_BOOL __ahdecl(*ah_setBssIdMask)(struct ath_hal *, const uint8_t*);
HAL_BOOL __ahdecl(*ah_setRegulatoryDomain)(struct ath_hal*,
uint16_t, HAL_STATUS *);
void __ahdecl(*ah_setLedState)(struct ath_hal*, HAL_LED_STATE);
void __ahdecl(*ah_writeAssocid)(struct ath_hal*,
const uint8_t *bssid, uint16_t assocId);
HAL_BOOL __ahdecl(*ah_gpioCfgOutput)(struct ath_hal *, uint32_t gpio);
HAL_BOOL __ahdecl(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
uint32_t __ahdecl(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
HAL_BOOL __ahdecl(*ah_gpioSet)(struct ath_hal *,
uint32_t gpio, uint32_t val);
void __ahdecl(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
uint32_t __ahdecl(*ah_getTsf32)(struct ath_hal*);
uint64_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_setSifsTime)(struct ath_hal*, u_int);
u_int __ahdecl(*ah_getSifsTime)(struct ath_hal*);
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*, uint16_t, int);
void __ahdecl(*ah_setCoverageClass)(struct ath_hal*, uint8_t, int);
/* Key Cache Functions */
uint32_t __ahdecl(*ah_getKeyCacheSize)(struct ath_hal*);
HAL_BOOL __ahdecl(*ah_resetKeyCacheEntry)(struct ath_hal*, uint16_t);
HAL_BOOL __ahdecl(*ah_isKeyCacheEntryValid)(struct ath_hal *,
uint16_t);
HAL_BOOL __ahdecl(*ah_setKeyCacheEntry)(struct ath_hal*,
uint16_t, const HAL_KEYVAL *,
const uint8_t *, int);
HAL_BOOL __ahdecl(*ah_setKeyCacheEntryMac)(struct ath_hal*,
uint16_t, const uint8_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 *,
uint32_t nexttbtt, uint32_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(uint16_t vendorid, uint16_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(uint16_t devid, HAL_SOFTC,
HAL_BUS_TAG, HAL_BUS_HANDLE, HAL_STATUS* status);
/*
* 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,
uint8_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 uint16_t __ahdecl ath_hal_computetxtime(struct ath_hal *,
const HAL_RATE_TABLE *rates, uint32_t frameLen,
uint16_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);
#endif /* _ATH_AH_H_ */
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