| /****************************************************************************** |
| * |
| * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| * |
| * The full GNU General Public License is included in this distribution in the |
| * file called LICENSE. |
| * |
| * Contact Information: |
| * Intel Linux Wireless <ilw@linux.intel.com> |
| * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| * |
| *****************************************************************************/ |
| /* |
| * Please use this file (iwl-dev.h) for driver implementation definitions. |
| * Please use iwl-commands.h for uCode API definitions. |
| */ |
| |
| #ifndef __iwl_dev_h__ |
| #define __iwl_dev_h__ |
| |
| #include <linux/interrupt.h> |
| #include <linux/kernel.h> |
| #include <linux/wait.h> |
| #include <linux/leds.h> |
| #include <linux/slab.h> |
| #include <linux/mutex.h> |
| |
| #include "iwl-fw.h" |
| #include "iwl-eeprom.h" |
| #include "iwl-csr.h" |
| #include "iwl-debug.h" |
| #include "iwl-agn-hw.h" |
| #include "iwl-led.h" |
| #include "iwl-power.h" |
| #include "iwl-agn-rs.h" |
| #include "iwl-agn-tt.h" |
| #include "iwl-trans.h" |
| #include "iwl-op-mode.h" |
| #include "iwl-notif-wait.h" |
| |
| /* CT-KILL constants */ |
| #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ |
| #define CT_KILL_THRESHOLD 114 /* in Celsius */ |
| #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ |
| |
| /* Default noise level to report when noise measurement is not available. |
| * This may be because we're: |
| * 1) Not associated no beacon statistics being sent to driver) |
| * 2) Scanning (noise measurement does not apply to associated channel) |
| * Use default noise value of -127 ... this is below the range of measurable |
| * Rx dBm for all agn devices, so it can indicate "unmeasurable" to user. |
| * Also, -127 works better than 0 when averaging frames with/without |
| * noise info (e.g. averaging might be done in app); measured dBm values are |
| * always negative ... using a negative value as the default keeps all |
| * averages within an s8's (used in some apps) range of negative values. */ |
| #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) |
| |
| /* |
| * RTS threshold here is total size [2347] minus 4 FCS bytes |
| * Per spec: |
| * a value of 0 means RTS on all data/management packets |
| * a value > max MSDU size means no RTS |
| * else RTS for data/management frames where MPDU is larger |
| * than RTS value. |
| */ |
| #define DEFAULT_RTS_THRESHOLD 2347U |
| #define MIN_RTS_THRESHOLD 0U |
| #define MAX_RTS_THRESHOLD 2347U |
| #define MAX_MSDU_SIZE 2304U |
| #define MAX_MPDU_SIZE 2346U |
| #define DEFAULT_BEACON_INTERVAL 200U |
| #define DEFAULT_SHORT_RETRY_LIMIT 7U |
| #define DEFAULT_LONG_RETRY_LIMIT 4U |
| |
| #define IWL_NUM_SCAN_RATES (2) |
| |
| /* |
| * One for each channel, holds all channel setup data |
| * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant |
| * with one another! |
| */ |
| struct iwl_channel_info { |
| struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ |
| struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for |
| * HT40 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) limit */ |
| s8 min_power; /* always 0 */ |
| s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ |
| |
| u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ |
| u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ |
| enum ieee80211_band band; |
| |
| /* HT40 channel info */ |
| s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ |
| u8 ht40_flags; /* flags copied from EEPROM */ |
| u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ |
| }; |
| |
| /* |
| * Minimum number of queues. MAX_NUM is defined in hw specific files. |
| * Set the minimum to accommodate |
| * - 4 standard TX queues |
| * - the command queue |
| * - 4 PAN TX queues |
| * - the PAN multicast queue, and |
| * - the AUX (TX during scan dwell) queue. |
| */ |
| #define IWL_MIN_NUM_QUEUES 11 |
| |
| /* |
| * Command queue depends on iPAN support. |
| */ |
| #define IWL_DEFAULT_CMD_QUEUE_NUM 4 |
| #define IWL_IPAN_CMD_QUEUE_NUM 9 |
| |
| #define IEEE80211_DATA_LEN 2304 |
| #define IEEE80211_4ADDR_LEN 30 |
| #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) |
| #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) |
| |
| #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 |
| #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 |
| #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 |
| |
| #define IWL_SUPPORTED_RATES_IE_LEN 8 |
| |
| #define IWL_INVALID_RATE 0xFF |
| #define IWL_INVALID_VALUE -1 |
| |
| union iwl_ht_rate_supp { |
| u16 rates; |
| struct { |
| u8 siso_rate; |
| u8 mimo_rate; |
| }; |
| }; |
| |
| #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) |
| #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) |
| #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) |
| #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) |
| #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K |
| #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K |
| #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K |
| |
| /* |
| * Maximal MPDU density for TX aggregation |
| * 4 - 2us density |
| * 5 - 4us density |
| * 6 - 8us density |
| * 7 - 16us density |
| */ |
| #define CFG_HT_MPDU_DENSITY_2USEC (0x4) |
| #define CFG_HT_MPDU_DENSITY_4USEC (0x5) |
| #define CFG_HT_MPDU_DENSITY_8USEC (0x6) |
| #define CFG_HT_MPDU_DENSITY_16USEC (0x7) |
| #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC |
| #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC |
| #define CFG_HT_MPDU_DENSITY_MIN (0x1) |
| |
| struct iwl_ht_config { |
| bool single_chain_sufficient; |
| enum ieee80211_smps_mode smps; /* current smps mode */ |
| }; |
| |
| /* QoS structures */ |
| struct iwl_qos_info { |
| int qos_active; |
| struct iwl_qosparam_cmd def_qos_parm; |
| }; |
| |
| /** |
| * enum iwl_agg_state |
| * |
| * The state machine of the BA agreement establishment / tear down. |
| * These states relate to a specific RA / TID. |
| * |
| * @IWL_AGG_OFF: aggregation is not used |
| * @IWL_AGG_STARTING: aggregation are starting (between start and oper) |
| * @IWL_AGG_ON: aggregation session is up |
| * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the |
| * HW queue to be empty from packets for this RA /TID. |
| * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the |
| * HW queue to be empty from packets for this RA /TID. |
| */ |
| enum iwl_agg_state { |
| IWL_AGG_OFF = 0, |
| IWL_AGG_STARTING, |
| IWL_AGG_ON, |
| IWL_EMPTYING_HW_QUEUE_ADDBA, |
| IWL_EMPTYING_HW_QUEUE_DELBA, |
| }; |
| |
| /** |
| * struct iwl_ht_agg - aggregation state machine |
| |
| * This structs holds the states for the BA agreement establishment and tear |
| * down. It also holds the state during the BA session itself. This struct is |
| * duplicated for each RA / TID. |
| |
| * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the |
| * Tx response (REPLY_TX), and the block ack notification |
| * (REPLY_COMPRESSED_BA). |
| * @state: state of the BA agreement establishment / tear down. |
| * @txq_id: Tx queue used by the BA session |
| * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or |
| * the first packet to be sent in legacy HW queue in Tx AGG stop flow. |
| * Basically when next_reclaimed reaches ssn, we can tell mac80211 that |
| * we are ready to finish the Tx AGG stop / start flow. |
| * @wait_for_ba: Expect block-ack before next Tx reply |
| */ |
| struct iwl_ht_agg { |
| u32 rate_n_flags; |
| enum iwl_agg_state state; |
| u16 txq_id; |
| u16 ssn; |
| bool wait_for_ba; |
| }; |
| |
| /** |
| * struct iwl_tid_data - one for each RA / TID |
| |
| * This structs holds the states for each RA / TID. |
| |
| * @seq_number: the next WiFi sequence number to use |
| * @next_reclaimed: the WiFi sequence number of the next packet to be acked. |
| * This is basically (last acked packet++). |
| * @agg: aggregation state machine |
| */ |
| struct iwl_tid_data { |
| u16 seq_number; |
| u16 next_reclaimed; |
| struct iwl_ht_agg agg; |
| }; |
| |
| /* |
| * Structure should be accessed with sta_lock held. When station addition |
| * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only |
| * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock |
| * held. |
| */ |
| struct iwl_station_entry { |
| struct iwl_addsta_cmd sta; |
| u8 used, ctxid; |
| struct iwl_link_quality_cmd *lq; |
| }; |
| |
| /* |
| * iwl_station_priv: Driver's private station information |
| * |
| * When mac80211 creates a station it reserves some space (hw->sta_data_size) |
| * in the structure for use by driver. This structure is places in that |
| * space. |
| */ |
| struct iwl_station_priv { |
| struct iwl_rxon_context *ctx; |
| struct iwl_lq_sta lq_sta; |
| atomic_t pending_frames; |
| bool client; |
| bool asleep; |
| u8 max_agg_bufsize; |
| u8 sta_id; |
| }; |
| |
| /** |
| * struct iwl_vif_priv - driver's private per-interface information |
| * |
| * When mac80211 allocates a virtual interface, it can allocate |
| * space for us to put data into. |
| */ |
| struct iwl_vif_priv { |
| struct iwl_rxon_context *ctx; |
| u8 ibss_bssid_sta_id; |
| }; |
| |
| struct iwl_sensitivity_ranges { |
| u16 min_nrg_cck; |
| |
| u16 nrg_th_cck; |
| u16 nrg_th_ofdm; |
| |
| u16 auto_corr_min_ofdm; |
| u16 auto_corr_min_ofdm_mrc; |
| u16 auto_corr_min_ofdm_x1; |
| u16 auto_corr_min_ofdm_mrc_x1; |
| |
| u16 auto_corr_max_ofdm; |
| u16 auto_corr_max_ofdm_mrc; |
| u16 auto_corr_max_ofdm_x1; |
| u16 auto_corr_max_ofdm_mrc_x1; |
| |
| u16 auto_corr_max_cck; |
| u16 auto_corr_max_cck_mrc; |
| u16 auto_corr_min_cck; |
| u16 auto_corr_min_cck_mrc; |
| |
| u16 barker_corr_th_min; |
| u16 barker_corr_th_min_mrc; |
| u16 nrg_th_cca; |
| }; |
| |
| |
| #define KELVIN_TO_CELSIUS(x) ((x)-273) |
| #define CELSIUS_TO_KELVIN(x) ((x)+273) |
| |
| |
| /****************************************************************************** |
| * |
| * Functions implemented in core module which are forward declared here |
| * for use by iwl-[4-5].c |
| * |
| * NOTE: The implementation of these functions are not hardware specific |
| * which is why they are in the core module files. |
| * |
| * Naming convention -- |
| * iwl_ <-- Is part of iwlwifi |
| * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) |
| * |
| ****************************************************************************/ |
| extern void iwl_update_chain_flags(struct iwl_priv *priv); |
| extern const u8 iwl_bcast_addr[ETH_ALEN]; |
| |
| #define IWL_OPERATION_MODE_AUTO 0 |
| #define IWL_OPERATION_MODE_HT_ONLY 1 |
| #define IWL_OPERATION_MODE_MIXED 2 |
| #define IWL_OPERATION_MODE_20MHZ 3 |
| |
| #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 |
| |
| /* Sensitivity and chain noise calibration */ |
| #define INITIALIZATION_VALUE 0xFFFF |
| #define IWL_CAL_NUM_BEACONS 16 |
| #define MAXIMUM_ALLOWED_PATHLOSS 15 |
| |
| #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 |
| |
| #define MAX_FA_OFDM 50 |
| #define MIN_FA_OFDM 5 |
| #define MAX_FA_CCK 50 |
| #define MIN_FA_CCK 5 |
| |
| #define AUTO_CORR_STEP_OFDM 1 |
| |
| #define AUTO_CORR_STEP_CCK 3 |
| #define AUTO_CORR_MAX_TH_CCK 160 |
| |
| #define NRG_DIFF 2 |
| #define NRG_STEP_CCK 2 |
| #define NRG_MARGIN 8 |
| #define MAX_NUMBER_CCK_NO_FA 100 |
| |
| #define AUTO_CORR_CCK_MIN_VAL_DEF (125) |
| |
| #define CHAIN_A 0 |
| #define CHAIN_B 1 |
| #define CHAIN_C 2 |
| #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 |
| #define ALL_BAND_FILTER 0xFF00 |
| #define IN_BAND_FILTER 0xFF |
| #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF |
| |
| #define NRG_NUM_PREV_STAT_L 20 |
| #define NUM_RX_CHAINS 3 |
| |
| enum iwlagn_false_alarm_state { |
| IWL_FA_TOO_MANY = 0, |
| IWL_FA_TOO_FEW = 1, |
| IWL_FA_GOOD_RANGE = 2, |
| }; |
| |
| enum iwlagn_chain_noise_state { |
| IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ |
| IWL_CHAIN_NOISE_ACCUMULATE, |
| IWL_CHAIN_NOISE_CALIBRATED, |
| IWL_CHAIN_NOISE_DONE, |
| }; |
| |
| /* Sensitivity calib data */ |
| struct iwl_sensitivity_data { |
| u32 auto_corr_ofdm; |
| u32 auto_corr_ofdm_mrc; |
| u32 auto_corr_ofdm_x1; |
| u32 auto_corr_ofdm_mrc_x1; |
| u32 auto_corr_cck; |
| u32 auto_corr_cck_mrc; |
| |
| u32 last_bad_plcp_cnt_ofdm; |
| u32 last_fa_cnt_ofdm; |
| u32 last_bad_plcp_cnt_cck; |
| u32 last_fa_cnt_cck; |
| |
| u32 nrg_curr_state; |
| u32 nrg_prev_state; |
| u32 nrg_value[10]; |
| u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; |
| u32 nrg_silence_ref; |
| u32 nrg_energy_idx; |
| u32 nrg_silence_idx; |
| u32 nrg_th_cck; |
| s32 nrg_auto_corr_silence_diff; |
| u32 num_in_cck_no_fa; |
| u32 nrg_th_ofdm; |
| |
| u16 barker_corr_th_min; |
| u16 barker_corr_th_min_mrc; |
| u16 nrg_th_cca; |
| }; |
| |
| /* Chain noise (differential Rx gain) calib data */ |
| struct iwl_chain_noise_data { |
| u32 active_chains; |
| u32 chain_noise_a; |
| u32 chain_noise_b; |
| u32 chain_noise_c; |
| u32 chain_signal_a; |
| u32 chain_signal_b; |
| u32 chain_signal_c; |
| u16 beacon_count; |
| u8 disconn_array[NUM_RX_CHAINS]; |
| u8 delta_gain_code[NUM_RX_CHAINS]; |
| u8 radio_write; |
| u8 state; |
| }; |
| |
| enum { |
| MEASUREMENT_READY = (1 << 0), |
| MEASUREMENT_ACTIVE = (1 << 1), |
| }; |
| |
| enum iwl_nvm_type { |
| NVM_DEVICE_TYPE_EEPROM = 0, |
| NVM_DEVICE_TYPE_OTP, |
| }; |
| |
| /* |
| * Two types of OTP memory access modes |
| * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, |
| * based on physical memory addressing |
| * IWL_OTP_ACCESS_RELATIVE - relative address mode, |
| * based on logical memory addressing |
| */ |
| enum iwl_access_mode { |
| IWL_OTP_ACCESS_ABSOLUTE, |
| IWL_OTP_ACCESS_RELATIVE, |
| }; |
| |
| /* reply_tx_statistics (for _agn devices) */ |
| struct reply_tx_error_statistics { |
| u32 pp_delay; |
| u32 pp_few_bytes; |
| u32 pp_bt_prio; |
| u32 pp_quiet_period; |
| u32 pp_calc_ttak; |
| u32 int_crossed_retry; |
| u32 short_limit; |
| u32 long_limit; |
| u32 fifo_underrun; |
| u32 drain_flow; |
| u32 rfkill_flush; |
| u32 life_expire; |
| u32 dest_ps; |
| u32 host_abort; |
| u32 bt_retry; |
| u32 sta_invalid; |
| u32 frag_drop; |
| u32 tid_disable; |
| u32 fifo_flush; |
| u32 insuff_cf_poll; |
| u32 fail_hw_drop; |
| u32 sta_color_mismatch; |
| u32 unknown; |
| }; |
| |
| /* reply_agg_tx_statistics (for _agn devices) */ |
| struct reply_agg_tx_error_statistics { |
| u32 underrun; |
| u32 bt_prio; |
| u32 few_bytes; |
| u32 abort; |
| u32 last_sent_ttl; |
| u32 last_sent_try; |
| u32 last_sent_bt_kill; |
| u32 scd_query; |
| u32 bad_crc32; |
| u32 response; |
| u32 dump_tx; |
| u32 delay_tx; |
| u32 unknown; |
| }; |
| |
| /* |
| * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds |
| * to perform continuous uCode event logging operation if enabled |
| */ |
| #define UCODE_TRACE_PERIOD (10) |
| |
| /* |
| * iwl_event_log: current uCode event log position |
| * |
| * @ucode_trace: enable/disable ucode continuous trace timer |
| * @num_wraps: how many times the event buffer wraps |
| * @next_entry: the entry just before the next one that uCode would fill |
| * @non_wraps_count: counter for no wrap detected when dump ucode events |
| * @wraps_once_count: counter for wrap once detected when dump ucode events |
| * @wraps_more_count: counter for wrap more than once detected |
| * when dump ucode events |
| */ |
| struct iwl_event_log { |
| bool ucode_trace; |
| u32 num_wraps; |
| u32 next_entry; |
| int non_wraps_count; |
| int wraps_once_count; |
| int wraps_more_count; |
| }; |
| |
| #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) |
| |
| /* BT Antenna Coupling Threshold (dB) */ |
| #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) |
| |
| /* Firmware reload counter and Timestamp */ |
| #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ |
| #define IWL_MAX_CONTINUE_RELOAD_CNT 4 |
| |
| |
| struct iwl_rf_reset { |
| int reset_request_count; |
| int reset_success_count; |
| int reset_reject_count; |
| unsigned long last_reset_jiffies; |
| }; |
| |
| enum iwl_rxon_context_id { |
| IWL_RXON_CTX_BSS, |
| IWL_RXON_CTX_PAN, |
| |
| NUM_IWL_RXON_CTX |
| }; |
| |
| /* extend beacon time format bit shifting */ |
| /* |
| * for _agn devices |
| * bits 31:22 - extended |
| * bits 21:0 - interval |
| */ |
| #define IWLAGN_EXT_BEACON_TIME_POS 22 |
| |
| struct iwl_rxon_context { |
| struct ieee80211_vif *vif; |
| |
| u8 mcast_queue; |
| u8 ac_to_queue[IEEE80211_NUM_ACS]; |
| u8 ac_to_fifo[IEEE80211_NUM_ACS]; |
| |
| /* |
| * We could use the vif to indicate active, but we |
| * also need it to be active during disabling when |
| * we already removed the vif for type setting. |
| */ |
| bool always_active, is_active; |
| |
| bool ht_need_multiple_chains; |
| |
| enum iwl_rxon_context_id ctxid; |
| |
| u32 interface_modes, exclusive_interface_modes; |
| u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; |
| |
| /* |
| * We declare this const so it can only be |
| * changed via explicit cast within the |
| * routines that actually update the physical |
| * hardware. |
| */ |
| const struct iwl_rxon_cmd active; |
| struct iwl_rxon_cmd staging; |
| |
| struct iwl_rxon_time_cmd timing; |
| |
| struct iwl_qos_info qos_data; |
| |
| u8 bcast_sta_id, ap_sta_id; |
| |
| u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; |
| u8 qos_cmd; |
| u8 wep_key_cmd; |
| |
| struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; |
| u8 key_mapping_keys; |
| |
| __le32 station_flags; |
| |
| int beacon_int; |
| |
| struct { |
| bool non_gf_sta_present; |
| u8 protection; |
| bool enabled, is_40mhz; |
| u8 extension_chan_offset; |
| } ht; |
| }; |
| |
| enum iwl_scan_type { |
| IWL_SCAN_NORMAL, |
| IWL_SCAN_RADIO_RESET, |
| IWL_SCAN_ROC, |
| }; |
| |
| /** |
| * struct iwl_hw_params |
| * |
| * Holds the module parameters |
| * |
| * @tx_chains_num: Number of TX chains |
| * @rx_chains_num: Number of RX chains |
| * @valid_tx_ant: usable antennas for TX |
| * @valid_rx_ant: usable antennas for RX |
| * @ht40_channel: is 40MHz width possible: BIT(IEEE80211_BAND_XXX) |
| * @sku: sku read from EEPROM |
| * @ct_kill_threshold: temperature threshold - in hw dependent unit |
| * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit |
| * relevant for 1000, 6000 and up |
| * @struct iwl_sensitivity_ranges: range of sensitivity values |
| * @use_rts_for_aggregation: use rts/cts protection for HT traffic |
| */ |
| struct iwl_hw_params { |
| u8 tx_chains_num; |
| u8 rx_chains_num; |
| u8 valid_tx_ant; |
| u8 valid_rx_ant; |
| u8 ht40_channel; |
| bool use_rts_for_aggregation; |
| u16 sku; |
| u32 ct_kill_threshold; |
| u32 ct_kill_exit_threshold; |
| |
| const struct iwl_sensitivity_ranges *sens; |
| }; |
| |
| struct iwl_lib_ops { |
| /* set hw dependent parameters */ |
| void (*set_hw_params)(struct iwl_priv *priv); |
| int (*set_channel_switch)(struct iwl_priv *priv, |
| struct ieee80211_channel_switch *ch_switch); |
| /* device specific configuration */ |
| void (*nic_config)(struct iwl_priv *priv); |
| |
| /* eeprom operations (as defined in iwl-eeprom.h) */ |
| struct iwl_eeprom_ops eeprom_ops; |
| |
| /* temperature */ |
| void (*temperature)(struct iwl_priv *priv); |
| }; |
| |
| #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE |
| struct iwl_testmode_trace { |
| u32 buff_size; |
| u32 total_size; |
| u32 num_chunks; |
| u8 *cpu_addr; |
| u8 *trace_addr; |
| dma_addr_t dma_addr; |
| bool trace_enabled; |
| }; |
| struct iwl_testmode_mem { |
| u32 buff_size; |
| u32 num_chunks; |
| u8 *buff_addr; |
| bool read_in_progress; |
| }; |
| #endif |
| |
| struct iwl_wipan_noa_data { |
| struct rcu_head rcu_head; |
| u32 length; |
| u8 data[]; |
| }; |
| |
| /* Calibration disabling bit mask */ |
| enum { |
| IWL_CALIB_ENABLE_ALL = 0, |
| |
| IWL_SENSITIVITY_CALIB_DISABLED = BIT(0), |
| IWL_CHAIN_NOISE_CALIB_DISABLED = BIT(1), |
| IWL_TX_POWER_CALIB_DISABLED = BIT(2), |
| |
| IWL_CALIB_DISABLE_ALL = 0xFFFFFFFF, |
| }; |
| |
| #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \ |
| ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific)) |
| |
| #define IWL_MAC80211_GET_DVM(_hw) \ |
| ((struct iwl_priv *) ((struct iwl_op_mode *) \ |
| (_hw)->priv)->op_mode_specific) |
| |
| struct iwl_priv { |
| |
| struct iwl_trans *trans; |
| struct device *dev; /* for debug prints only */ |
| const struct iwl_cfg *cfg; |
| const struct iwl_fw *fw; |
| const struct iwl_lib_ops *lib; |
| unsigned long status; |
| |
| spinlock_t sta_lock; |
| struct mutex mutex; |
| |
| unsigned long transport_queue_stop; |
| bool passive_no_rx; |
| #define IWL_INVALID_MAC80211_QUEUE 0xff |
| u8 queue_to_mac80211[IWL_MAX_HW_QUEUES]; |
| atomic_t queue_stop_count[IWL_MAX_HW_QUEUES]; |
| |
| unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; |
| |
| /* ieee device used by generic ieee processing code */ |
| struct ieee80211_hw *hw; |
| struct ieee80211_channel *ieee_channels; |
| struct ieee80211_rate *ieee_rates; |
| |
| struct list_head calib_results; |
| |
| struct workqueue_struct *workqueue; |
| |
| struct iwl_hw_params hw_params; |
| |
| enum ieee80211_band band; |
| u8 valid_contexts; |
| |
| void (*pre_rx_handler)(struct iwl_priv *priv, |
| struct iwl_rx_cmd_buffer *rxb); |
| int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, |
| struct iwl_rx_cmd_buffer *rxb, |
| struct iwl_device_cmd *cmd); |
| |
| struct iwl_notif_wait_data notif_wait; |
| |
| struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; |
| |
| /* spectrum measurement report caching */ |
| struct iwl_spectrum_notification measure_report; |
| u8 measurement_status; |
| |
| #define IWL_OWNERSHIP_DRIVER 0 |
| #define IWL_OWNERSHIP_TM 1 |
| u8 ucode_owner; |
| |
| /* ucode beacon time */ |
| u32 ucode_beacon_time; |
| int missed_beacon_threshold; |
| |
| /* track IBSS manager (last beacon) status */ |
| u32 ibss_manager; |
| |
| /* jiffies when last recovery from statistics was performed */ |
| unsigned long rx_statistics_jiffies; |
| |
| /*counters */ |
| u32 rx_handlers_stats[REPLY_MAX]; |
| |
| /* rf reset */ |
| struct iwl_rf_reset rf_reset; |
| |
| /* firmware reload counter and timestamp */ |
| unsigned long reload_jiffies; |
| int reload_count; |
| bool ucode_loaded; |
| bool init_ucode_run; /* Don't run init uCode again */ |
| |
| /* we allocate array of iwl_channel_info for NIC's valid channels. |
| * Access via channel # using indirect index array */ |
| struct iwl_channel_info *channel_info; /* channel info array */ |
| u8 channel_count; /* # of channels */ |
| |
| u8 plcp_delta_threshold; |
| |
| /* thermal calibration */ |
| s32 temperature; /* Celsius */ |
| s32 last_temperature; |
| |
| struct iwl_wipan_noa_data __rcu *noa_data; |
| |
| /* Scan related variables */ |
| unsigned long scan_start; |
| unsigned long scan_start_tsf; |
| void *scan_cmd; |
| enum ieee80211_band scan_band; |
| struct cfg80211_scan_request *scan_request; |
| struct ieee80211_vif *scan_vif; |
| enum iwl_scan_type scan_type; |
| u8 scan_tx_ant[IEEE80211_NUM_BANDS]; |
| u8 mgmt_tx_ant; |
| |
| /* max number of station keys */ |
| u8 sta_key_max_num; |
| |
| bool new_scan_threshold_behaviour; |
| |
| bool wowlan; |
| |
| /* EEPROM MAC addresses */ |
| struct mac_address addresses[2]; |
| |
| struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; |
| |
| __le16 switch_channel; |
| |
| u8 start_calib; |
| struct iwl_sensitivity_data sensitivity_data; |
| struct iwl_chain_noise_data chain_noise_data; |
| __le16 sensitivity_tbl[HD_TABLE_SIZE]; |
| __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; |
| |
| struct iwl_ht_config current_ht_config; |
| |
| /* Rate scaling data */ |
| u8 retry_rate; |
| |
| int activity_timer_active; |
| |
| struct iwl_power_mgr power_data; |
| struct iwl_tt_mgmt thermal_throttle; |
| |
| /* station table variables */ |
| int num_stations; |
| struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; |
| unsigned long ucode_key_table; |
| struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT]; |
| |
| u8 mac80211_registered; |
| |
| /* Indication if ieee80211_ops->open has been called */ |
| u8 is_open; |
| |
| enum nl80211_iftype iw_mode; |
| |
| /* Last Rx'd beacon timestamp */ |
| u64 timestamp; |
| |
| struct { |
| __le32 flag; |
| struct statistics_general_common common; |
| struct statistics_rx_non_phy rx_non_phy; |
| struct statistics_rx_phy rx_ofdm; |
| struct statistics_rx_ht_phy rx_ofdm_ht; |
| struct statistics_rx_phy rx_cck; |
| struct statistics_tx tx; |
| #ifdef CONFIG_IWLWIFI_DEBUGFS |
| struct statistics_bt_activity bt_activity; |
| __le32 num_bt_kills, accum_num_bt_kills; |
| #endif |
| spinlock_t lock; |
| } statistics; |
| #ifdef CONFIG_IWLWIFI_DEBUGFS |
| struct { |
| struct statistics_general_common common; |
| struct statistics_rx_non_phy rx_non_phy; |
| struct statistics_rx_phy rx_ofdm; |
| struct statistics_rx_ht_phy rx_ofdm_ht; |
| struct statistics_rx_phy rx_cck; |
| struct statistics_tx tx; |
| struct statistics_bt_activity bt_activity; |
| } accum_stats, delta_stats, max_delta_stats; |
| #endif |
| |
| /* |
| * reporting the number of tids has AGG on. 0 means |
| * no AGGREGATION |
| */ |
| u8 agg_tids_count; |
| |
| struct iwl_rx_phy_res last_phy_res; |
| bool last_phy_res_valid; |
| |
| /* |
| * chain noise reset and gain commands are the |
| * two extra calibration commands follows the standard |
| * phy calibration commands |
| */ |
| u8 phy_calib_chain_noise_reset_cmd; |
| u8 phy_calib_chain_noise_gain_cmd; |
| |
| /* counts reply_tx error */ |
| struct reply_tx_error_statistics reply_tx_stats; |
| struct reply_agg_tx_error_statistics reply_agg_tx_stats; |
| |
| /* remain-on-channel offload support */ |
| struct ieee80211_channel *hw_roc_channel; |
| struct delayed_work hw_roc_disable_work; |
| enum nl80211_channel_type hw_roc_chantype; |
| int hw_roc_duration; |
| bool hw_roc_setup, hw_roc_start_notified; |
| |
| /* bt coex */ |
| u8 bt_enable_flag; |
| u8 bt_status; |
| u8 bt_traffic_load, last_bt_traffic_load; |
| bool bt_ch_announce; |
| bool bt_full_concurrent; |
| bool bt_ant_couple_ok; |
| __le32 kill_ack_mask; |
| __le32 kill_cts_mask; |
| __le16 bt_valid; |
| bool reduced_txpower; |
| u16 bt_on_thresh; |
| u16 bt_duration; |
| u16 dynamic_frag_thresh; |
| u8 bt_ci_compliance; |
| struct work_struct bt_traffic_change_work; |
| bool bt_enable_pspoll; |
| struct iwl_rxon_context *cur_rssi_ctx; |
| bool bt_is_sco; |
| |
| struct work_struct restart; |
| struct work_struct scan_completed; |
| struct work_struct abort_scan; |
| |
| struct work_struct beacon_update; |
| struct iwl_rxon_context *beacon_ctx; |
| struct sk_buff *beacon_skb; |
| void *beacon_cmd; |
| |
| struct work_struct tt_work; |
| struct work_struct ct_enter; |
| struct work_struct ct_exit; |
| struct work_struct start_internal_scan; |
| struct work_struct tx_flush; |
| struct work_struct bt_full_concurrency; |
| struct work_struct bt_runtime_config; |
| |
| struct delayed_work scan_check; |
| |
| /* TX Power */ |
| s8 tx_power_user_lmt; |
| s8 tx_power_device_lmt; |
| s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ |
| s8 tx_power_next; |
| |
| #ifdef CONFIG_IWLWIFI_DEBUGFS |
| /* debugfs */ |
| struct dentry *debugfs_dir; |
| u32 dbgfs_sram_offset, dbgfs_sram_len; |
| bool disable_ht40; |
| void *wowlan_sram; |
| #endif /* CONFIG_IWLWIFI_DEBUGFS */ |
| |
| /* eeprom -- this is in the card's little endian byte order */ |
| u8 *eeprom; |
| enum iwl_nvm_type nvm_device_type; |
| |
| struct work_struct txpower_work; |
| u32 calib_disabled; |
| struct work_struct run_time_calib_work; |
| struct timer_list statistics_periodic; |
| struct timer_list ucode_trace; |
| |
| struct iwl_event_log event_log; |
| |
| struct led_classdev led; |
| unsigned long blink_on, blink_off; |
| bool led_registered; |
| #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE |
| struct iwl_testmode_trace testmode_trace; |
| struct iwl_testmode_mem testmode_mem; |
| u32 tm_fixed_rate; |
| #endif |
| |
| /* WoWLAN GTK rekey data */ |
| u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; |
| __le64 replay_ctr; |
| __le16 last_seq_ctl; |
| bool have_rekey_data; |
| |
| /* device_pointers: pointers to ucode event tables */ |
| struct { |
| u32 error_event_table; |
| u32 log_event_table; |
| } device_pointers; |
| |
| /* indicator of loaded ucode image */ |
| enum iwl_ucode_type cur_ucode; |
| }; /*iwl_priv */ |
| |
| extern struct kmem_cache *iwl_tx_cmd_pool; |
| |
| static inline struct iwl_rxon_context * |
| iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) |
| { |
| struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
| |
| return vif_priv->ctx; |
| } |
| |
| #define for_each_context(priv, ctx) \ |
| for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ |
| ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ |
| if (priv->valid_contexts & BIT(ctx->ctxid)) |
| |
| static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) |
| { |
| return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; |
| } |
| |
| static inline int iwl_is_associated(struct iwl_priv *priv, |
| enum iwl_rxon_context_id ctxid) |
| { |
| return iwl_is_associated_ctx(&priv->contexts[ctxid]); |
| } |
| |
| static inline int iwl_is_any_associated(struct iwl_priv *priv) |
| { |
| struct iwl_rxon_context *ctx; |
| for_each_context(priv, ctx) |
| if (iwl_is_associated_ctx(ctx)) |
| return true; |
| return false; |
| } |
| |
| static inline int is_channel_valid(const struct iwl_channel_info *ch_info) |
| { |
| if (ch_info == NULL) |
| return 0; |
| return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; |
| } |
| |
| static inline int is_channel_radar(const struct iwl_channel_info *ch_info) |
| { |
| return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; |
| } |
| |
| static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) |
| { |
| return ch_info->band == IEEE80211_BAND_5GHZ; |
| } |
| |
| static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) |
| { |
| return ch_info->band == IEEE80211_BAND_2GHZ; |
| } |
| |
| static inline int is_channel_passive(const struct iwl_channel_info *ch) |
| { |
| return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; |
| } |
| |
| static inline int is_channel_ibss(const struct iwl_channel_info *ch) |
| { |
| return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; |
| } |
| |
| #endif /* __iwl_dev_h__ */ |