mirror of https://gitee.com/openkylin/linux.git
iwlwifi: Document 4965 rate_n_flags bits
Document 4965 rate_n_flags bits Signed-off-by: Ben Cahill <ben.m.cahill@intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ben Cahill
David S. Miller
parent
bc47279f55
commit
abceddb407
|
|
@ -141,7 +141,8 @@ enum {
|
|||
|
||||
/******************************************************************************
|
||||
* (0)
|
||||
* Header
|
||||
* Commonly used structures and definitions:
|
||||
* Command header, rate_n_flags
|
||||
*
|
||||
*****************************************************************************/
|
||||
|
||||
|
|
@ -167,6 +168,89 @@ struct iwl4965_cmd_header {
|
|||
u8 data[0];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
/**
|
||||
* 4965 rate_n_flags bit fields
|
||||
*
|
||||
* rate_n_flags format is used in following 4965 commands:
|
||||
* REPLY_4965_RX (response only)
|
||||
* REPLY_TX (both command and response)
|
||||
* REPLY_TX_LINK_QUALITY_CMD
|
||||
*
|
||||
* High-throughput (HT) rate format for bits 7:0 (bit 8 must be "1"):
|
||||
* 2-0: 0) 6 Mbps
|
||||
* 1) 12 Mbps
|
||||
* 2) 18 Mbps
|
||||
* 3) 24 Mbps
|
||||
* 4) 36 Mbps
|
||||
* 5) 48 Mbps
|
||||
* 6) 54 Mbps
|
||||
* 7) 60 Mbps
|
||||
*
|
||||
* 3: 0) Single stream (SISO)
|
||||
* 1) Dual stream (MIMO)
|
||||
*
|
||||
* 5: Value of 0x20 in bits 7:0 indicates 6 Mbps FAT duplicate data
|
||||
*
|
||||
* Legacy OFDM rate format for bits 7:0 (bit 8 must be "0", bit 9 "0"):
|
||||
* 3-0: 0xD) 6 Mbps
|
||||
* 0xF) 9 Mbps
|
||||
* 0x5) 12 Mbps
|
||||
* 0x7) 18 Mbps
|
||||
* 0x9) 24 Mbps
|
||||
* 0xB) 36 Mbps
|
||||
* 0x1) 48 Mbps
|
||||
* 0x3) 54 Mbps
|
||||
*
|
||||
* Legacy CCK rate format for bits 7:0 (bit 8 must be "0", bit 9 "1"):
|
||||
* 3-0: 10) 1 Mbps
|
||||
* 20) 2 Mbps
|
||||
* 55) 5.5 Mbps
|
||||
* 110) 11 Mbps
|
||||
*/
|
||||
#define RATE_MCS_CODE_MSK 0x7
|
||||
#define RATE_MCS_MIMO_POS 3
|
||||
#define RATE_MCS_MIMO_MSK 0x8
|
||||
#define RATE_MCS_HT_DUP_POS 5
|
||||
#define RATE_MCS_HT_DUP_MSK 0x20
|
||||
|
||||
/* (1) HT format, (0) legacy format in bits 7:0 */
|
||||
#define RATE_MCS_FLAGS_POS 8
|
||||
#define RATE_MCS_HT_POS 8
|
||||
#define RATE_MCS_HT_MSK 0x100
|
||||
|
||||
/* (1) CCK, (0) OFDM. HT (bit 8) must be "0" for this bit to be valid */
|
||||
#define RATE_MCS_CCK_POS 9
|
||||
#define RATE_MCS_CCK_MSK 0x200
|
||||
|
||||
/* (1) Use Green Field preamble */
|
||||
#define RATE_MCS_GF_POS 10
|
||||
#define RATE_MCS_GF_MSK 0x400
|
||||
|
||||
/* (1) Use 40Mhz FAT channel width, (0) use 20 MHz legacy channel width */
|
||||
#define RATE_MCS_FAT_POS 11
|
||||
#define RATE_MCS_FAT_MSK 0x800
|
||||
|
||||
/* (1) Duplicate data on both 20MHz channels. FAT (bit 11) must be set. */
|
||||
#define RATE_MCS_DUP_POS 12
|
||||
#define RATE_MCS_DUP_MSK 0x1000
|
||||
|
||||
/* (1) Short guard interval (0.4 usec), (0) normal GI (0.8 usec) */
|
||||
#define RATE_MCS_SGI_POS 13
|
||||
#define RATE_MCS_SGI_MSK 0x2000
|
||||
|
||||
/**
|
||||
* rate_n_flags Tx antenna masks (4965 has 2 transmitters):
|
||||
* bit14:15 01 B inactive, A active
|
||||
* 10 B active, A inactive
|
||||
* 11 Both active
|
||||
*/
|
||||
#define RATE_MCS_ANT_A_POS 14
|
||||
#define RATE_MCS_ANT_B_POS 15
|
||||
#define RATE_MCS_ANT_A_MSK 0x4000
|
||||
#define RATE_MCS_ANT_B_MSK 0x8000
|
||||
#define RATE_MCS_ANT_AB_MSK 0xc000
|
||||
|
||||
|
||||
/******************************************************************************
|
||||
* (0a)
|
||||
* Alive and Error Commands & Responses:
|
||||
|
|
@ -452,18 +536,6 @@ struct iwl4965_qosparam_cmd {
|
|||
#define STA_MODIFY_DELBA_TID_MSK 0x10
|
||||
#define BUILD_RAxTID(sta_id, tid) (((sta_id) << 4) + (tid))
|
||||
|
||||
/*
|
||||
* Antenna masks:
|
||||
* bit14:15 01 B inactive, A active
|
||||
* 10 B active, A inactive
|
||||
* 11 Both active
|
||||
*/
|
||||
#define RATE_MCS_ANT_A_POS 14
|
||||
#define RATE_MCS_ANT_B_POS 15
|
||||
#define RATE_MCS_ANT_A_MSK 0x4000
|
||||
#define RATE_MCS_ANT_B_MSK 0x8000
|
||||
#define RATE_MCS_ANT_AB_MSK 0xc000
|
||||
|
||||
struct iwl4965_keyinfo {
|
||||
__le16 key_flags;
|
||||
u8 tkip_rx_tsc_byte2; /* TSC[2] for key mix ph1 detection */
|
||||
|
|
|
|||
|
|
@ -883,6 +883,11 @@ struct iwl4965_traffic_load {
|
|||
};
|
||||
|
||||
#ifdef CONFIG_IWL4965_HT_AGG
|
||||
/**
|
||||
* struct iwl4965_agg_control
|
||||
* @requested_ba: bit map of tids requesting aggregation/block-ack
|
||||
* @granted_ba: bit map of tids granted aggregation/block-ack
|
||||
*/
|
||||
struct iwl4965_agg_control {
|
||||
unsigned long next_retry;
|
||||
u32 wait_for_agg_status;
|
||||
|
|
@ -1054,29 +1059,8 @@ struct iwl4965_chain_noise_data {
|
|||
u8 radio_write;
|
||||
};
|
||||
|
||||
/* IWL4965 */
|
||||
#define RATE_MCS_CODE_MSK 0x7
|
||||
#define RATE_MCS_MIMO_POS 3
|
||||
#define RATE_MCS_MIMO_MSK 0x8
|
||||
#define RATE_MCS_HT_DUP_POS 5
|
||||
#define RATE_MCS_HT_DUP_MSK 0x20
|
||||
#define RATE_MCS_FLAGS_POS 8
|
||||
#define RATE_MCS_HT_POS 8
|
||||
#define RATE_MCS_HT_MSK 0x100
|
||||
#define RATE_MCS_CCK_POS 9
|
||||
#define RATE_MCS_CCK_MSK 0x200
|
||||
#define RATE_MCS_GF_POS 10
|
||||
#define RATE_MCS_GF_MSK 0x400
|
||||
|
||||
#define RATE_MCS_FAT_POS 11
|
||||
#define RATE_MCS_FAT_MSK 0x800
|
||||
#define RATE_MCS_DUP_POS 12
|
||||
#define RATE_MCS_DUP_MSK 0x1000
|
||||
#define RATE_MCS_SGI_POS 13
|
||||
#define RATE_MCS_SGI_MSK 0x2000
|
||||
|
||||
#define EEPROM_SEM_TIMEOUT 10
|
||||
#define EEPROM_SEM_RETRY_LIMIT 1000
|
||||
#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
|
||||
#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
|
||||
|
||||
|
||||
#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
|
||||
|
|
|
|||
Loading…
Reference in New Issue