Differential D14731 Diff 40430 sys/net80211/_ieee80211.h

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sys/net80211/_ieee80211.h

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* NB: this file is used by applications.		* NB: this file is used by applications.
*/		*/

/*		/*
* PHY type; mostly used to identify FH phys.		* PHY type; mostly used to identify FH phys.
*/		*/
enum ieee80211_phytype {		enum ieee80211_phytype {
IEEE80211_T_DS, /* direct sequence spread spectrum */		IEEE80211_T_DS, /* direct sequence spread spectrum */
		IEEE80211_T_PBCC, /* packet binary convolutional code */
IEEE80211_T_FH, /* frequency hopping */		IEEE80211_T_FH, /* frequency hopping */
IEEE80211_T_OFDM, /* frequency division multiplexing */		IEEE80211_T_OFDM, /* frequency division multiplexing */
IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */		IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */
IEEE80211_T_HT, /* high throughput */		IEEE80211_T_HT, /* high throughput */
IEEE80211_T_OFDM_HALF, /* 1/2 rate OFDM */		IEEE80211_T_OFDM_HALF, /* 1/2 rate OFDM */
IEEE80211_T_OFDM_QUARTER, /* 1/4 rate OFDM */		IEEE80211_T_OFDM_QUARTER, /* 1/4 rate OFDM */
IEEE80211_T_VHT, /* VHT PHY */		IEEE80211_T_VHT, /* VHT PHY */
};		};
#define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */		#define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */
		#define IEEE80211_T_MAX (IEEE80211_T_VHT + 1)

/*		/*
* PHY mode; this is not really a mode as multi-mode devices		* PHY mode; this is not really a mode as multi-mode devices
* have multiple PHY's. Mode is mostly used as a shorthand		* have multiple PHY's. Mode is mostly used as a shorthand
* for constraining which channels to consider in setting up		* for constraining which channels to consider in setting up
* operation. Modes used to be used more extensively when		* operation. Modes used to be used more extensively when
* channels were identified as IEEE channel numbers.		* channels were identified as IEEE channel numbers.
*/		*/
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* associated at once. For most AP's this is way more		* associated at once. For most AP's this is way more
* than is feasible so we use a default of 128. This		* than is feasible so we use a default of 128. This
* number may be overridden by the driver and/or by		* number may be overridden by the driver and/or by
* user configuration but may not be less than IEEE80211_AID_MIN.		* user configuration but may not be less than IEEE80211_AID_MIN.
*/		*/
#define IEEE80211_AID_DEF 128		#define IEEE80211_AID_DEF 128
#define IEEE80211_AID_MIN 16		#define IEEE80211_AID_MIN 16

		struct ieee80211_rate_t {
		uint8_t type;
		uint8_t value;

		union {
		struct {
		uint8_t short_preamble;
		} cck;
		struct {
		uint8_t streams;
		uint8_t no_20mhz:1,
		no_40mhz:1,
		no_80mhz:1,
		no_160mhz:1,
		unequal:1;
		} ht;
		} props;
		};


/*		/*
* 802.11 rate set.		* 802.11 rate set.
*/		*/
#define IEEE80211_RATE_SIZE 8 /* 802.11 standard */		#define IEEE80211_RATE_SIZE 8 /* 802.11 standard */
#define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */		#define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */

		#define IEEE80211_RATE_VALUE_MAX 128
		#define IEEE80211_RATE_BITMAP_SIZE howmany(IEEE80211_RATE_VALUE_MAX, NBBY)

		#define IEEE80211_HT_MCS_CHAIN 8
		#define IEEE80211_VHT_MCS_CHAIN 10


struct ieee80211_rateset {		struct ieee80211_rateset {
uint8_t rs_nrates;		uint8_t rs_nrates;
uint8_t rs_rates[IEEE80211_RATE_MAXSIZE];		uint8_t rs_bitmap[IEEE80211_RATE_BITMAP_SIZE];

		struct {
		uint16_t rs_index; /* index in the global table */
		uint8_t rs_basic:1;
		} rates[IEEE80211_RATE_MAXSIZE];
};		};

/*		/*
* 802.11n variant of ieee80211_rateset. Instead of		* 802.11n/ac variant of ieee80211_rateset. Instead of
* legacy rates the entries are MCS rates. We define		* legacy rates the entries are MCS rates. We define
* the structure such that it can be used interchangeably		* the structure such that it can be used interchangeably
* with an ieee80211_rateset (modulo structure size).		* with an ieee80211_rateset (modulo structure size).
*/		*/
#define IEEE80211_HTRATE_MAXSIZE 77		#define IEEE80211_HTRATE_MAXSIZE 80 /* count of VHT rates */

struct ieee80211_htrateset {		struct ieee80211_htrateset {
uint8_t rs_nrates;		uint8_t rs_nrates;
uint8_t rs_rates[IEEE80211_HTRATE_MAXSIZE];		uint8_t rs_bitmap[IEEE80211_RATE_BITMAP_SIZE];

		struct {
		uint16_t rs_index; /* index in the global table */
		uint8_t rs_basic:1;
		} rates[IEEE80211_HTRATE_MAXSIZE];
};		};

#define IEEE80211_RATE_MCS 0x80		#define IEEE80211_RATE_MCS 0x80

/*		/*
* Per-mode transmit parameters/controls visible to user space.		* Per-mode transmit parameters/controls visible to user space.
* These can be used to set fixed transmit rate for all operating		* These can be used to set fixed transmit rate for all operating
* modes or on a per-client basis according to the capabilities		* modes or on a per-client basis according to the capabilities
* of the client (e.g. an 11b client associated to an 11g ap).		* of the client (e.g. an 11b client associated to an 11g ap).
*
* MCS are distinguished from legacy rates by or'ing in 0x80.
*/		*/
struct ieee80211_txparam {		struct ieee80211_txparam_vht {
uint8_t ucastrate; /* ucast data rate (legacy/MCS\|0x80) */		uint16_t ucastrate; /* ucast data rate index */
uint8_t mgmtrate; /* mgmt frame rate (legacy/MCS\|0x80) */		uint16_t mgmtrate; /* mgmt frame rate index */
uint8_t mcastrate; /* multicast rate (legacy/MCS\|0x80) */		uint16_t mcastrate; /* multicast rate index */
uint8_t maxretry; /* max unicast data retry count */		uint8_t maxretry; /* max unicast data retry count */
};		};

/*		/*
		* Legacy version (w/ MCS/0x80 bits and without VHT support).
		*/
		struct ieee80211_txparam {
		uint8_t ucastrate;
		uint8_t mgmtrate;
		uint8_t mcastrate;
		uint8_t maxretry;
		};

		/*
* Per-mode roaming state visible to user space. There are two		* Per-mode roaming state visible to user space. There are two
* thresholds that control whether roaming is considered; when		* thresholds that control whether roaming is considered; when
* either is exceeded the 802.11 layer will check the scan cache		* either is exceeded the 802.11 layer will check the scan cache
* for another AP. If the cache is stale then a scan may be		* for another AP. If the cache is stale then a scan may be
* triggered.		* triggered.
*/		*/
		struct ieee80211_roamparam_vht {
		int8_t rssi; /* rssi thresh (.5 dBm) */
		uint8_t pad; /* reserve */
		uint16_t rate; /* tx rate index thresh */
		};

		/*
		* Legacy version (w/ MCS/0x80 bits and without VHT support).
		*/
struct ieee80211_roamparam {		struct ieee80211_roamparam {
int8_t rssi; /* rssi thresh (.5 dBm) */		int8_t rssi; /* rssi thresh (.5 dBm) */
uint8_t rate; /* tx rate thresh (.5 Mb/s or MCS) */		uint8_t rate; /* tx rate thresh (.5 Mb/s or MCS) */
uint16_t pad; /* reserve */		uint16_t pad; /* reserve */
};		};

/*		/*
* Regulatory Information.		* Regulatory Information.
▲ Show 20 Lines • Show All 160 Lines • ▼ Show 20 Lines	struct ieee80211_rx_stats {
int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */		int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */
int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */		int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */
int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */		int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */

/* 32 bits */		/* 32 bits */
uint8_t c_nf; /* global NF */		uint8_t c_nf; /* global NF */
uint8_t c_rssi; /* global RSSI */		uint8_t c_rssi; /* global RSSI */
uint8_t c_chain; /* number of RX chains involved */		uint8_t c_chain; /* number of RX chains involved */
		/* XXX use rate index instead */
uint8_t c_rate; /* legacy; 11n rate code; VHT MCS */		uint8_t c_rate; /* legacy; 11n rate code; VHT MCS */

/* 32 bits */		/* 32 bits */
uint16_t c_freq; /* Frequency, MHz */		uint16_t c_freq; /* Frequency, MHz */
uint8_t c_ieee; /* Channel */		uint8_t c_ieee; /* Channel */
uint8_t c_width; /* channel width, FW flags above */		uint8_t c_width; /* channel width, FW flags above */

/* Force alignment to DWORD */		/* Force alignment to DWORD */
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