/* Default noise level to report when noise measurement is not available. * This may be because we're: * 1) Not associated (4965, no beacon stats being sent to driver) * 2) Scanning (noise measurement does not apply to associated channel) * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) * Use default noise value of -127 ... this is below the range of measurable * Rx dBm for either 3945 or 4965, 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 IL_NOISE_MEAS_NOT_AVAILABLE (-127)
/* Module parameters accessible from iwl-*.c */ externstruct il_mod_params il3945_mod_params;
/* used to be in sta_info */ int last_txrate_idx;
};
/* * The common struct MUST be first because it is shared between * 3945 and 4965!
*/ struct il3945_sta_priv { struct il_station_priv_common common; struct il3945_rs_sta rs_sta;
};
/* * 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 100U #define DEFAULT_SHORT_RETRY_LIMIT 7U #define DEFAULT_LONG_RETRY_LIMIT 4U
/****************************************************************************** * * Functions implemented in iwl3945-base.c which are forward declared here * for use by iwl-*.c *
*****************************************************************************/ void il3945_rx_replenish(void *data); void il3945_rx_queue_reset(struct il_priv *il, struct il_rx_queue *rxq); unsignedint il3945_fill_beacon_frame(struct il_priv *il, struct ieee80211_hdr *hdr, int left); int il3945_dump_nic_event_log(struct il_priv *il, bool full_log, char **buf, bool display); void il3945_dump_nic_error_log(struct il_priv *il);
/****************************************************************************** * * Functions implemented in iwl-[34]*.c which are forward declared here * for use by iwl3945-base.c * * NOTE: The implementation of these functions are hardware specific * which is why they are in the hardware specific files (vs. iwl-base.c) * * Naming convention -- * il3945_ <-- Its part of iwlwifi (should be changed to il3945_) * il3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) * il3945_bg_ <-- Called from work queue context * il3945_mac_ <-- mac80211 callback *
****************************************************************************/ void il3945_hw_handler_setup(struct il_priv *il); void il3945_hw_setup_deferred_work(struct il_priv *il); void il3945_hw_cancel_deferred_work(struct il_priv *il); int il3945_hw_rxq_stop(struct il_priv *il); int il3945_hw_set_hw_params(struct il_priv *il); int il3945_hw_nic_init(struct il_priv *il); int il3945_hw_nic_stop_master(struct il_priv *il); void il3945_hw_txq_ctx_free(struct il_priv *il); void il3945_hw_txq_ctx_stop(struct il_priv *il); int il3945_hw_nic_reset(struct il_priv *il); int il3945_hw_txq_attach_buf_to_tfd(struct il_priv *il, struct il_tx_queue *txq,
dma_addr_t addr, u16 len, u8 reset, u8 pad); void il3945_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq); int il3945_hw_get_temperature(struct il_priv *il); int il3945_hw_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq); unsignedint il3945_hw_get_beacon_cmd(struct il_priv *il, struct il3945_frame *frame, u8 rate); void il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd, struct ieee80211_tx_info *info, struct ieee80211_hdr *hdr, int sta_id); int il3945_hw_reg_send_txpower(struct il_priv *il); int il3945_hw_reg_set_txpower(struct il_priv *il, s8 power); void il3945_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb); void il3945_hdl_c_stats(struct il_priv *il, struct il_rx_buf *rxb); void il3945_disable_events(struct il_priv *il); int il4965_get_temperature(conststruct il_priv *il); void il3945_post_associate(struct il_priv *il); void il3945_config_ap(struct il_priv *il);
int il3945_commit_rxon(struct il_priv *il);
/** * il3945_hw_find_station - Find station id for a given BSSID * @bssid: MAC address of station ID to find * * NOTE: This should not be hardware specific but the code has * not yet been merged into a single common layer for managing the * station tables.
*/
u8 il3945_hw_find_station(struct il_priv *il, const u8 *bssid);
__le32 il3945_get_antenna_flags(conststruct il_priv *il); int il3945_init_hw_rate_table(struct il_priv *il); void il3945_reg_txpower_periodic(struct il_priv *il); int il3945_txpower_set_from_eeprom(struct il_priv *il);
int il3945_rs_next_rate(struct il_priv *il, int rate);
/* * EEPROM related constants, enums, and structures.
*/ #define EEPROM_SKU_CAP_OP_MODE_MRC (1 << 7)
/* * Mapping of a Tx power level, at factory calibration temperature, * to a radio/DSP gain table idx. * One for each of 5 "sample" power levels in each band. * v_det is measured at the factory, using the 3945's built-in power amplifier * (PA) output voltage detector. This same detector is used during Tx of * long packets in normal operation to provide feedback as to proper output * level. * Data copied from EEPROM. * DO NOT ALTER THIS STRUCTURE!!!
*/ struct il3945_eeprom_txpower_sample {
u8 gain_idx; /* idx into power (gain) setup table ... */
s8 power; /* ... for this pwr level for this chnl group */
u16 v_det; /* PA output voltage */
} __packed;
/* * Mappings of Tx power levels -> nominal radio/DSP gain table idxes. * One for each channel group (a.k.a. "band") (1 for BG, 4 for A). * Tx power setup code interpolates between the 5 "sample" power levels * to determine the nominal setup for a requested power level. * Data copied from EEPROM. * DO NOT ALTER THIS STRUCTURE!!!
*/ struct il3945_eeprom_txpower_group { struct il3945_eeprom_txpower_sample samples[5]; /* 5 power levels */
s32 a, b, c, d, e; /* coefficients for voltage->power
* formula (signed) */
s32 Fa, Fb, Fc, Fd, Fe; /* these modify coeffs based on
* frequency (signed) */
s8 saturation_power; /* highest power possible by h/w in this
* band */
u8 group_channel; /* "representative" channel # in this band */
s16 temperature; /* h/w temperature at factory calib this band
* (signed) */
} __packed;
/* * Temperature-based Tx-power compensation data, not band-specific. * These coefficients are use to modify a/b/c/d/e coeffs based on * difference between current temperature and factory calib temperature. * Data copied from EEPROM.
*/ struct il3945_eeprom_temperature_corr {
u32 Ta;
u32 Tb;
u32 Tc;
u32 Td;
u32 Te;
} __packed;
/* Sizes and addresses for instruction and data memory (SRAM) in
* 3945's embedded processor. Driver access is via HBUS_TARG_MEM_* regs. */ #define IL39_RTC_INST_LOWER_BOUND (0x000000) #define IL39_RTC_INST_UPPER_BOUND (0x014000)
/* Base physical address of il3945_shared is provided to FH39_TSSR_CBB_BASE
* and &il3945_shared.rx_read_ptr[0] is provided to FH39_RCSR_RPTR_ADDR(0) */ struct il3945_shared {
__le32 tx_base_ptr[8];
} __packed;
/** * This I/O area is directly read/writable by driver (e.g. Linux uses writel()) * Addresses are offsets from device's PCI hardware base address.
*/ #define FH39_MEM_LOWER_BOUND (0x0800) #define FH39_MEM_UPPER_BOUND (0x1000)
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