drivers/net/wireless/intel/iwlwifi/dvm/rs.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/intel/iwlwifi/dvm/rs.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/intel/iwlwifi/dvm/rs.h
Extension
.h
Size
12626 bytes
Lines
403
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct iwl_rate_info {
	u8 plcp;	/* uCode API:  IWL_RATE_6M_PLCP, etc. */
	u8 plcp_siso;	/* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
	u8 plcp_mimo2;	/* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
	u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
	u8 ieee;	/* MAC header:  IWL_RATE_6M_IEEE, etc. */
	u8 prev_ieee;    /* previous rate in IEEE speeds */
	u8 next_ieee;    /* next rate in IEEE speeds */
	u8 prev_rs;      /* previous rate used in rs algo */
	u8 next_rs;      /* next rate used in rs algo */
	u8 prev_rs_tgg;  /* previous rate used in TGG rs algo */
	u8 next_rs_tgg;  /* next rate used in TGG rs algo */
};

/*
 * These serve as indexes into
 * struct iwl_rate_info iwl_rates[IWL_RATE_COUNT];
 */
enum {
	IWL_RATE_1M_INDEX = 0,
	IWL_RATE_2M_INDEX,
	IWL_RATE_5M_INDEX,
	IWL_RATE_11M_INDEX,
	IWL_RATE_6M_INDEX,
	IWL_RATE_9M_INDEX,
	IWL_RATE_12M_INDEX,
	IWL_RATE_18M_INDEX,
	IWL_RATE_24M_INDEX,
	IWL_RATE_36M_INDEX,
	IWL_RATE_48M_INDEX,
	IWL_RATE_54M_INDEX,
	IWL_RATE_60M_INDEX,
	IWL_RATE_COUNT, /*FIXME:RS:change to IWL_RATE_INDEX_COUNT,*/
	IWL_RATE_COUNT_LEGACY = IWL_RATE_COUNT - 1,	/* Excluding 60M */
	IWL_RATE_INVM_INDEX = IWL_RATE_COUNT,
	IWL_RATE_INVALID = IWL_RATE_COUNT,
};

enum {
	IWL_RATE_6M_INDEX_TABLE = 0,
	IWL_RATE_9M_INDEX_TABLE,
	IWL_RATE_12M_INDEX_TABLE,
	IWL_RATE_18M_INDEX_TABLE,
	IWL_RATE_24M_INDEX_TABLE,
	IWL_RATE_36M_INDEX_TABLE,
	IWL_RATE_48M_INDEX_TABLE,
	IWL_RATE_54M_INDEX_TABLE,
	IWL_RATE_1M_INDEX_TABLE,
	IWL_RATE_2M_INDEX_TABLE,
	IWL_RATE_5M_INDEX_TABLE,
	IWL_RATE_11M_INDEX_TABLE,
	IWL_RATE_INVM_INDEX_TABLE = IWL_RATE_INVM_INDEX - 1,
};

enum {
	IWL_FIRST_OFDM_RATE = IWL_RATE_6M_INDEX,
	IWL_LAST_OFDM_RATE = IWL_RATE_60M_INDEX,
	IWL_FIRST_CCK_RATE = IWL_RATE_1M_INDEX,
	IWL_LAST_CCK_RATE = IWL_RATE_11M_INDEX,
};

/* #define vs. enum to keep from defaulting to 'large integer' */
#define	IWL_RATE_6M_MASK   (1 << IWL_RATE_6M_INDEX)
#define	IWL_RATE_9M_MASK   (1 << IWL_RATE_9M_INDEX)
#define	IWL_RATE_12M_MASK  (1 << IWL_RATE_12M_INDEX)
#define	IWL_RATE_18M_MASK  (1 << IWL_RATE_18M_INDEX)
#define	IWL_RATE_24M_MASK  (1 << IWL_RATE_24M_INDEX)
#define	IWL_RATE_36M_MASK  (1 << IWL_RATE_36M_INDEX)
#define	IWL_RATE_48M_MASK  (1 << IWL_RATE_48M_INDEX)
#define	IWL_RATE_54M_MASK  (1 << IWL_RATE_54M_INDEX)
#define IWL_RATE_60M_MASK  (1 << IWL_RATE_60M_INDEX)
#define	IWL_RATE_1M_MASK   (1 << IWL_RATE_1M_INDEX)
#define	IWL_RATE_2M_MASK   (1 << IWL_RATE_2M_INDEX)
#define	IWL_RATE_5M_MASK   (1 << IWL_RATE_5M_INDEX)
#define	IWL_RATE_11M_MASK  (1 << IWL_RATE_11M_INDEX)

/* uCode API values for legacy bit rates, both OFDM and CCK */
enum {
	IWL_RATE_6M_PLCP  = 13,
	IWL_RATE_9M_PLCP  = 15,
	IWL_RATE_12M_PLCP = 5,
	IWL_RATE_18M_PLCP = 7,
	IWL_RATE_24M_PLCP = 9,
	IWL_RATE_36M_PLCP = 11,
	IWL_RATE_48M_PLCP = 1,
	IWL_RATE_54M_PLCP = 3,
	IWL_RATE_60M_PLCP = 3,/*FIXME:RS:should be removed*/
	IWL_RATE_1M_PLCP  = 10,
	IWL_RATE_2M_PLCP  = 20,
	IWL_RATE_5M_PLCP  = 55,

Annotation

Implementation Notes