* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
*****************************************************************************/
+/*
+ * Please use this file (iwl-4965.h) for driver implementation definitions.
+ * Please use iwl-4965-commands.h for uCode API definitions.
+ * Please use iwl-4965-hw.h for hardware-related definitions.
+ */
+
#ifndef __iwl_4965_h__
#define __iwl_4965_h__
#include <linux/kernel.h>
#include <net/ieee80211_radiotap.h>
-struct iwl4965_priv;
-
/* Hardware specific file defines the PCI IDs table for that hardware module */
extern struct pci_device_id iwl4965_hw_card_ids[];
#define MAX_NUM_OF_TBS (20)
+/* One for each TFD */
struct iwl4965_tx_info {
struct ieee80211_tx_status status;
struct sk_buff *skb[MAX_NUM_OF_TBS];
/**
* struct iwl4965_tx_queue - Tx Queue for DMA
- * @need_update: need to update read/write index
- * @shed_retry: queue is HT AGG enabled
+ * @q: generic Rx/Tx queue descriptor
+ * @bd: base of circular buffer of TFDs
+ * @cmd: array of command/Tx buffers
+ * @dma_addr_cmd: physical address of cmd/tx buffer array
+ * @txb: array of per-TFD driver data
+ * @need_update: indicates need to update read/write index
+ * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
*
- * Queue consists of circular buffer of BD's and required locking structures.
+ * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
+ * descriptors) and required locking structures.
*/
struct iwl4965_tx_queue {
struct iwl4965_queue q;
s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
};
-/* Channel unlock period is 15 seconds. If no beacon or probe response
- * has been received within 15 seconds on a locked channel then the channel
- * remains locked. */
-#define TX_UNLOCK_PERIOD 15
+/* For fat_extension_channel */
+enum {
+ HT_IE_EXT_CHANNEL_NONE = 0,
+ HT_IE_EXT_CHANNEL_ABOVE,
+ HT_IE_EXT_CHANNEL_INVALID,
+ HT_IE_EXT_CHANNEL_BELOW,
+ HT_IE_EXT_CHANNEL_MAX
+};
-/* CSA lock period is 15 seconds. If a CSA has been received on a channel in
- * the last 15 seconds, the channel is locked */
-#define CSA_LOCK_PERIOD 15
/*
* One for each channel, holds all channel setup data
* Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
struct iwl4965_channel_info {
struct iwl4965_channel_tgd_info tgd;
struct iwl4965_channel_tgh_info tgh;
- struct iwl4965_eeprom_channel eeprom; /* EEPROM regulatory limit */
- struct iwl4965_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
- * FAT channel */
+ struct iwl4965_eeprom_channel eeprom; /* EEPROM regulatory limit */
+ struct iwl4965_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
+ * FAT channel */
u8 channel; /* channel number */
u8 flags; /* flags copied from EEPROM */
s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
- s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
+ s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
s8 min_power; /* always 0 */
s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
s8 fat_min_power; /* always 0 */
s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
u8 fat_flags; /* flags copied from EEPROM */
- u8 fat_extension_channel;
+ u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
/* Radio/DSP gain settings for each scan rate, for directed scans. */
struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
} __attribute__ ((packed));
+/**
+ * struct iwl4965_cmd
+ *
+ * For allocation of the command and tx queues, this establishes the overall
+ * size of the largest command we send to uCode, except for a scan command
+ * (which is relatively huge; space is allocated separately).
+ */
struct iwl4965_cmd {
- struct iwl4965_cmd_meta meta;
- struct iwl4965_cmd_header hdr;
+ struct iwl4965_cmd_meta meta; /* driver data */
+ struct iwl4965_cmd_header hdr; /* uCode API */
union {
struct iwl4965_addsta_cmd addsta;
struct iwl4965_led_cmd led;
#ifdef CONFIG_IWL4965_HT
#ifdef CONFIG_IWL4965_HT_AGG
+/**
+ * struct iwl4965_ht_agg -- aggregation status while waiting for block-ack
+ * @txq_id: Tx queue used for Tx attempt
+ * @frame_count: # frames attempted by Tx command
+ * @wait_for_ba: Expect block-ack before next Tx reply
+ * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
+ * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
+ * @bitmap1: High order, one bit for each frame pending ACK in Tx window
+ * @rate_n_flags: Rate at which Tx was attempted
+ *
+ * If REPLY_TX indicates that aggregation was attempted, driver must wait
+ * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
+ * until block ack arrives.
+ */
struct iwl4965_ht_agg {
u16 txq_id;
u16 frame_count;
#define CFG_HT_MPDU_DENSITY_2USEC (0x5)
#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
-struct sta_ht_info {
+struct iwl_ht_info {
+ /* self configuration data */
u8 is_ht;
- u16 rx_mimo_ps_mode;
+ u8 supported_chan_width;
u16 tx_mimo_ps_mode;
- u16 control_channel;
+ u8 is_green_field;
+ u8 sgf;
u8 max_amsdu_size;
u8 ampdu_factor;
u8 mpdu_density;
- u8 operating_mode;
- u8 supported_chan_width;
+ u8 supp_mcs_set[16];
+ /* BSS related data */
+ u8 control_channel;
u8 extension_chan_offset;
- u8 is_green_field;
- u8 sgf;
- u8 supp_rates[16];
u8 tx_chan_width;
- u8 chan_width_cap;
+ u8 ht_protection;
+ u8 non_GF_STA_present;
};
#endif /*CONFIG_IWL4965_HT */
struct list_head list;
};
+/**
+ * struct iwl4965_driver_hw_info
+ * @max_txq_num: Max # Tx queues supported
+ * @ac_queue_count: # Tx queues for EDCA Access Categories (AC)
+ * @tx_cmd_len: Size of Tx command (but not including frame itself)
+ * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
+ * @rx_buffer_size:
+ * @max_rxq_log: Log-base-2 of max_rxq_size
+ * @max_stations:
+ * @bcast_sta_id:
+ * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
+ * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
+ */
struct iwl4965_driver_hw_info {
u16 max_txq_num;
u16 ac_queue_count;
dma_addr_t shared_phys;
};
-
-#define STA_FLG_RTS_MIMO_PROT_MSK __constant_cpu_to_le32(1 << 17)
-#define STA_FLG_AGG_MPDU_8US_MSK __constant_cpu_to_le32(1 << 18)
-#define STA_FLG_MAX_AGG_SIZE_POS (19)
-#define STA_FLG_MAX_AGG_SIZE_MSK __constant_cpu_to_le32(3 << 19)
-#define STA_FLG_FAT_EN_MSK __constant_cpu_to_le32(1 << 21)
-#define STA_FLG_MIMO_DIS_MSK __constant_cpu_to_le32(1 << 22)
-#define STA_FLG_AGG_MPDU_DENSITY_POS (23)
-#define STA_FLG_AGG_MPDU_DENSITY_MSK __constant_cpu_to_le32(7 << 23)
#define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
#define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
#define NRG_NUM_PREV_STAT_L 20
#define NUM_RX_CHAINS (3)
-#define TX_POWER_IWL_ILLEGAL_VDET -100000
#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
-#define TX_POWER_IWL_CLOSED_LOOP_MIN_POWER 18
-#define TX_POWER_IWL_CLOSED_LOOP_MAX_POWER 34
-#define TX_POWER_IWL_VDET_SLOPE_BELOW_NOMINAL 17
-#define TX_POWER_IWL_VDET_SLOPE_ABOVE_NOMINAL 20
-#define TX_POWER_IWL_NOMINAL_POWER 26
-#define TX_POWER_IWL_CLOSED_LOOP_ITERATION_LIMIT 1
-#define TX_POWER_IWL_VOLTAGE_CODES_PER_03V 7
-#define TX_POWER_IWL_DEGREES_PER_VDET_CODE 11
-#define IWL_TX_POWER_MAX_NUM_PA_MEASUREMENTS 1
-#define IWL_TX_POWER_CCK_COMPENSATION_B_STEP (9)
-#define IWL_TX_POWER_CCK_COMPENSATION_C_STEP (5)
struct iwl4965_traffic_load {
unsigned long time_stamp;
};
#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;
#define CAL_NUM_OF_BEACONS 20
#define MAXIMUM_ALLOWED_PATHLOSS 15
-/* Param table within SENSITIVITY_CMD */
-#define HD_MIN_ENERGY_CCK_DET_INDEX (0)
-#define HD_MIN_ENERGY_OFDM_DET_INDEX (1)
-#define HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX (2)
-#define HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX (3)
-#define HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX (4)
-#define HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX (5)
-#define HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX (6)
-#define HD_BARKER_CORR_TH_ADD_MIN_INDEX (7)
-#define HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX (8)
-#define HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX (9)
-#define HD_OFDM_ENERGY_TH_IN_INDEX (10)
-
-#define SENSITIVITY_CMD_CONTROL_DEFAULT_TABLE __constant_cpu_to_le16(0)
-#define SENSITIVITY_CMD_CONTROL_WORK_TABLE __constant_cpu_to_le16(1)
-
#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
#define MAX_FA_OFDM 50
#define AUTO_CORR_STEP_CCK 3
#define AUTO_CORR_MAX_TH_CCK 160
-#define NRG_ALG 0
-#define AUTO_CORR_ALG 1
#define NRG_DIFF 2
#define NRG_STEP_CCK 2
#define NRG_MARGIN 8
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
struct ieee80211_hw *hw;
struct ieee80211_channel *ieee_channels;
struct ieee80211_rate *ieee_rates;
+ struct ieee80211_conf *cache_conf;
/* temporary frame storage list */
struct list_head free_frames;
/* Scan related variables */
unsigned long last_scan_jiffies;
+ unsigned long next_scan_jiffies;
unsigned long scan_start;
unsigned long scan_pass_start;
unsigned long scan_start_tsf;
u8 call_post_assoc_from_beacon;
u8 assoc_station_added;
u8 use_ant_b_for_management_frame; /* Tx antenna selection */
- /* HT variables */
- u8 is_dup;
- u8 is_ht_enabled;
- u8 channel_width; /* 0=20MHZ, 1=40MHZ */
- u8 current_channel_width;
u8 valid_antenna; /* Bit mask of antennas actually connected */
#ifdef CONFIG_IWL4965_SENSITIVITY
struct iwl4965_sensitivity_data sensitivity_data;
#endif /*CONFIG_IWL4965_SENSITIVITY*/
#ifdef CONFIG_IWL4965_HT
- struct sta_ht_info current_assoc_ht;
+ struct iwl_ht_info current_ht_config;
#endif
- u8 active_rate_ht[2];
u8 last_phy_res[100];
/* Rate scaling data */
u16 last_seq_num;
u16 last_frag_num;
unsigned long last_packet_time;
+
+ /* Hash table for finding stations in IBSS network */
struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
/* eeprom */
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