| /****************************************************************************** |
| * |
| * Copyright(c) 2003 - 2008 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. |
| * Please use iwl-4965-hw.h for hardware-related definitions. |
| */ |
| |
| #ifndef __iwl_dev_h__ |
| #define __iwl_dev_h__ |
| |
| #include <linux/pci.h> /* for struct pci_device_id */ |
| #include <linux/kernel.h> |
| #include <net/ieee80211_radiotap.h> |
| |
| #define DRV_NAME "iwlagn" |
| #include "iwl-rfkill.h" |
| #include "iwl-eeprom.h" |
| #include "iwl-4965-hw.h" |
| #include "iwl-csr.h" |
| #include "iwl-prph.h" |
| #include "iwl-debug.h" |
| #include "iwl-led.h" |
| #include "iwl-power.h" |
| #include "iwl-agn-rs.h" |
| |
| /* configuration for the iwl4965 */ |
| extern struct iwl_cfg iwl4965_agn_cfg; |
| extern struct iwl_cfg iwl5300_agn_cfg; |
| extern struct iwl_cfg iwl5100_agn_cfg; |
| extern struct iwl_cfg iwl5350_agn_cfg; |
| extern struct iwl_cfg iwl5100_bg_cfg; |
| extern struct iwl_cfg iwl5100_abg_cfg; |
| extern struct iwl_cfg iwl5150_agn_cfg; |
| |
| /* CT-KILL constants */ |
| #define CT_KILL_THRESHOLD 110 /* in Celsius */ |
| |
| /* Default noise level to report when noise measurement is not available. |
| * This may be because we're: |
| * 1) Not associated (4965, no beacon statistics 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 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 100U |
| #define DEFAULT_SHORT_RETRY_LIMIT 7U |
| #define DEFAULT_LONG_RETRY_LIMIT 4U |
| |
| struct iwl_rx_mem_buffer { |
| dma_addr_t real_dma_addr; |
| dma_addr_t aligned_dma_addr; |
| struct sk_buff *skb; |
| struct list_head list; |
| }; |
| |
| /* |
| * Generic queue structure |
| * |
| * Contains common data for Rx and Tx queues |
| */ |
| struct iwl_queue { |
| int n_bd; /* number of BDs in this queue */ |
| int write_ptr; /* 1-st empty entry (index) host_w*/ |
| int read_ptr; /* last used entry (index) host_r*/ |
| dma_addr_t dma_addr; /* physical addr for BD's */ |
| int n_window; /* safe queue window */ |
| u32 id; |
| int low_mark; /* low watermark, resume queue if free |
| * space more than this */ |
| int high_mark; /* high watermark, stop queue if free |
| * space less than this */ |
| } __attribute__ ((packed)); |
| |
| /* One for each TFD */ |
| struct iwl_tx_info { |
| struct sk_buff *skb[IWL_NUM_OF_TBS - 1]; |
| }; |
| |
| /** |
| * struct iwl_tx_queue - Tx Queue for DMA |
| * @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 |
| * |
| * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame |
| * descriptors) and required locking structures. |
| */ |
| struct iwl_tx_queue { |
| struct iwl_queue q; |
| struct iwl_tfd *tfds; |
| struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS]; |
| struct iwl_tx_info *txb; |
| u8 need_update; |
| u8 sched_retry; |
| u8 active; |
| u8 swq_id; |
| }; |
| |
| #define IWL_NUM_SCAN_RATES (2) |
| |
| struct iwl4965_channel_tgd_info { |
| u8 type; |
| s8 max_power; |
| }; |
| |
| struct iwl4965_channel_tgh_info { |
| s64 last_radar_time; |
| }; |
| |
| /* |
| * 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 iwl4965_channel_tgd_info tgd; |
| struct iwl4965_channel_tgh_info tgh; |
| struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ |
| struct iwl_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) 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; |
| |
| /* FAT channel info */ |
| s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ |
| s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ |
| 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; /* HT_IE_EXT_CHANNEL_* */ |
| }; |
| |
| |
| #define IWL_TX_FIFO_AC0 0 |
| #define IWL_TX_FIFO_AC1 1 |
| #define IWL_TX_FIFO_AC2 2 |
| #define IWL_TX_FIFO_AC3 3 |
| #define IWL_TX_FIFO_HCCA_1 5 |
| #define IWL_TX_FIFO_HCCA_2 6 |
| #define IWL_TX_FIFO_NONE 7 |
| |
| /* Minimum number of queues. MAX_NUM is defined in hw specific files */ |
| #define IWL_MIN_NUM_QUEUES 4 |
| |
| /* Power management (not Tx power) structures */ |
| |
| enum iwl_pwr_src { |
| IWL_PWR_SRC_VMAIN, |
| IWL_PWR_SRC_VAUX, |
| }; |
| |
| #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) |
| |
| struct iwl_frame { |
| union { |
| struct ieee80211_hdr frame; |
| struct iwl_tx_beacon_cmd beacon; |
| u8 raw[IEEE80211_FRAME_LEN]; |
| u8 cmd[360]; |
| } u; |
| struct list_head list; |
| }; |
| |
| #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
| #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) |
| #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) |
| |
| enum { |
| /* CMD_SIZE_NORMAL = 0, */ |
| CMD_SIZE_HUGE = (1 << 0), |
| /* CMD_SYNC = 0, */ |
| CMD_ASYNC = (1 << 1), |
| /* CMD_NO_SKB = 0, */ |
| CMD_WANT_SKB = (1 << 2), |
| }; |
| |
| struct iwl_cmd; |
| struct iwl_priv; |
| |
| struct iwl_cmd_meta { |
| struct iwl_cmd_meta *source; |
| union { |
| struct sk_buff *skb; |
| int (*callback)(struct iwl_priv *priv, |
| struct iwl_cmd *cmd, struct sk_buff *skb); |
| } __attribute__ ((packed)) u; |
| |
| /* The CMD_SIZE_HUGE flag bit indicates that the command |
| * structure is stored at the end of the shared queue memory. */ |
| u32 flags; |
| DECLARE_PCI_UNMAP_ADDR(mapping) |
| DECLARE_PCI_UNMAP_LEN(len) |
| } __attribute__ ((packed)); |
| |
| #define IWL_CMD_MAX_PAYLOAD 320 |
| |
| /** |
| * struct iwl_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 iwl_cmd { |
| struct iwl_cmd_meta meta; /* driver data */ |
| struct iwl_cmd_header hdr; /* uCode API */ |
| union { |
| u32 flags; |
| u8 val8; |
| u16 val16; |
| u32 val32; |
| struct iwl_tx_cmd tx; |
| u8 payload[IWL_CMD_MAX_PAYLOAD]; |
| } __attribute__ ((packed)) cmd; |
| } __attribute__ ((packed)); |
| |
| |
| struct iwl_host_cmd { |
| u8 id; |
| u16 len; |
| struct iwl_cmd_meta meta; |
| const void *data; |
| }; |
| |
| #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \ |
| sizeof(struct iwl_cmd_meta)) |
| |
| /* |
| * RX related structures and functions |
| */ |
| #define RX_FREE_BUFFERS 64 |
| #define RX_LOW_WATERMARK 8 |
| |
| #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 |
| #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 |
| #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 |
| |
| /** |
| * struct iwl_rx_queue - Rx queue |
| * @read: Shared index to newest available Rx buffer |
| * @write: Shared index to oldest written Rx packet |
| * @free_count: Number of pre-allocated buffers in rx_free |
| * @rx_free: list of free SKBs for use |
| * @rx_used: List of Rx buffers with no SKB |
| * @need_update: flag to indicate we need to update read/write index |
| * |
| * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers |
| */ |
| struct iwl_rx_queue { |
| __le32 *bd; |
| dma_addr_t dma_addr; |
| struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; |
| struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; |
| u32 read; |
| u32 write; |
| u32 free_count; |
| struct list_head rx_free; |
| struct list_head rx_used; |
| int need_update; |
| struct iwl_rb_status *rb_stts; |
| dma_addr_t rb_stts_dma; |
| spinlock_t lock; |
| }; |
| |
| #define IWL_SUPPORTED_RATES_IE_LEN 8 |
| |
| #define SCAN_INTERVAL 100 |
| |
| #define MAX_A_CHANNELS 252 |
| #define MIN_A_CHANNELS 7 |
| |
| #define MAX_B_CHANNELS 14 |
| #define MIN_B_CHANNELS 1 |
| |
| #define MAX_TID_COUNT 9 |
| |
| #define IWL_INVALID_RATE 0xFF |
| #define IWL_INVALID_VALUE -1 |
| |
| /** |
| * struct iwl_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 iwl_ht_agg { |
| u16 txq_id; |
| u16 frame_count; |
| u16 wait_for_ba; |
| u16 start_idx; |
| u64 bitmap; |
| u32 rate_n_flags; |
| #define IWL_AGG_OFF 0 |
| #define IWL_AGG_ON 1 |
| #define IWL_EMPTYING_HW_QUEUE_ADDBA 2 |
| #define IWL_EMPTYING_HW_QUEUE_DELBA 3 |
| u8 state; |
| }; |
| |
| |
| struct iwl_tid_data { |
| u16 seq_number; |
| u16 tfds_in_queue; |
| struct iwl_ht_agg agg; |
| }; |
| |
| struct iwl_hw_key { |
| enum ieee80211_key_alg alg; |
| int keylen; |
| u8 keyidx; |
| u8 key[32]; |
| }; |
| |
| union iwl4965_ht_rate_supp { |
| u16 rates; |
| struct { |
| u8 siso_rate; |
| u8 mimo_rate; |
| }; |
| }; |
| |
| #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) |
| #define CFG_HT_MPDU_DENSITY_2USEC (0x5) |
| #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC |
| |
| struct iwl_ht_info { |
| /* self configuration data */ |
| u8 is_ht; |
| u8 supported_chan_width; |
| u8 sm_ps; |
| u8 is_green_field; |
| u8 sgf; /* HT_SHORT_GI_* short guard interval */ |
| u8 max_amsdu_size; |
| u8 ampdu_factor; |
| u8 mpdu_density; |
| struct ieee80211_mcs_info mcs; |
| /* BSS related data */ |
| u8 extension_chan_offset; |
| u8 tx_chan_width; |
| u8 ht_protection; |
| u8 non_GF_STA_present; |
| }; |
| |
| union iwl_qos_capabity { |
| struct { |
| u8 edca_count:4; /* bit 0-3 */ |
| u8 q_ack:1; /* bit 4 */ |
| u8 queue_request:1; /* bit 5 */ |
| u8 txop_request:1; /* bit 6 */ |
| u8 reserved:1; /* bit 7 */ |
| } q_AP; |
| struct { |
| u8 acvo_APSD:1; /* bit 0 */ |
| u8 acvi_APSD:1; /* bit 1 */ |
| u8 ac_bk_APSD:1; /* bit 2 */ |
| u8 ac_be_APSD:1; /* bit 3 */ |
| u8 q_ack:1; /* bit 4 */ |
| u8 max_len:2; /* bit 5-6 */ |
| u8 more_data_ack:1; /* bit 7 */ |
| } q_STA; |
| u8 val; |
| }; |
| |
| /* QoS structures */ |
| struct iwl_qos_info { |
| int qos_active; |
| union iwl_qos_capabity qos_cap; |
| struct iwl_qosparam_cmd def_qos_parm; |
| }; |
| |
| #define STA_PS_STATUS_WAKE 0 |
| #define STA_PS_STATUS_SLEEP 1 |
| |
| struct iwl_station_entry { |
| struct iwl_addsta_cmd sta; |
| struct iwl_tid_data tid[MAX_TID_COUNT]; |
| u8 used; |
| u8 ps_status; |
| struct iwl_hw_key keyinfo; |
| }; |
| |
| /* one for each uCode image (inst/data, boot/init/runtime) */ |
| struct fw_desc { |
| void *v_addr; /* access by driver */ |
| dma_addr_t p_addr; /* access by card's busmaster DMA */ |
| u32 len; /* bytes */ |
| }; |
| |
| /* uCode file layout */ |
| struct iwl_ucode { |
| __le32 ver; /* major/minor/API/serial */ |
| __le32 inst_size; /* bytes of runtime instructions */ |
| __le32 data_size; /* bytes of runtime data */ |
| __le32 init_size; /* bytes of initialization instructions */ |
| __le32 init_data_size; /* bytes of initialization data */ |
| __le32 boot_size; /* bytes of bootstrap instructions */ |
| u8 data[0]; /* data in same order as "size" elements */ |
| }; |
| |
| struct iwl4965_ibss_seq { |
| u8 mac[ETH_ALEN]; |
| u16 seq_num; |
| u16 frag_num; |
| unsigned long packet_time; |
| struct list_head list; |
| }; |
| |
| struct iwl_sensitivity_ranges { |
| u16 min_nrg_cck; |
| u16 max_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; |
| }; |
| |
| |
| #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ) |
| |
| #define KELVIN_TO_CELSIUS(x) ((x)-273) |
| #define CELSIUS_TO_KELVIN(x) ((x)+273) |
| |
| |
| /** |
| * struct iwl_hw_params |
| * @max_txq_num: Max # Tx queues supported |
| * @dma_chnl_num: Number of Tx DMA/FIFO channels |
| * @scd_bc_tbls_size: size of scheduler byte count tables |
| * @tx/rx_chains_num: Number of TX/RX chains |
| * @valid_tx/rx_ant: usable antennas |
| * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) |
| * @max_rxq_log: Log-base-2 of max_rxq_size |
| * @rx_buf_size: Rx buffer size |
| * @max_stations: |
| * @bcast_sta_id: |
| * @fat_channel: is 40MHz width possible in band 2.4 |
| * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) |
| * @sw_crypto: 0 for hw, 1 for sw |
| * @max_xxx_size: for ucode uses |
| * @ct_kill_threshold: temperature threshold |
| * @calib_init_cfg: setup initial calibrations for the hw |
| * @struct iwl_sensitivity_ranges: range of sensitivity values |
| */ |
| struct iwl_hw_params { |
| u8 max_txq_num; |
| u8 dma_chnl_num; |
| u16 scd_bc_tbls_size; |
| u8 tx_chains_num; |
| u8 rx_chains_num; |
| u8 valid_tx_ant; |
| u8 valid_rx_ant; |
| u16 max_rxq_size; |
| u16 max_rxq_log; |
| u32 rx_buf_size; |
| u32 max_pkt_size; |
| u8 max_stations; |
| u8 bcast_sta_id; |
| u8 fat_channel; |
| u8 sw_crypto; |
| u32 max_inst_size; |
| u32 max_data_size; |
| u32 max_bsm_size; |
| u32 ct_kill_threshold; /* value in hw-dependent units */ |
| u32 calib_init_cfg; |
| const struct iwl_sensitivity_ranges *sens; |
| }; |
| |
| #define HT_SHORT_GI_20MHZ (1 << 0) |
| #define HT_SHORT_GI_40MHZ (1 << 1) |
| |
| |
| /****************************************************************************** |
| * |
| * 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) |
| * iwl4965_bg_ <-- Called from work queue context |
| * iwl4965_mac_ <-- mac80211 callback |
| * |
| ****************************************************************************/ |
| extern void iwl_update_chain_flags(struct iwl_priv *priv); |
| extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); |
| extern const u8 iwl_bcast_addr[ETH_ALEN]; |
| extern int iwl_rxq_stop(struct iwl_priv *priv); |
| extern void iwl_txq_ctx_stop(struct iwl_priv *priv); |
| extern int iwl_queue_space(const struct iwl_queue *q); |
| static inline int iwl_queue_used(const struct iwl_queue *q, int i) |
| { |
| return q->write_ptr > q->read_ptr ? |
| (i >= q->read_ptr && i < q->write_ptr) : |
| !(i < q->read_ptr && i >= q->write_ptr); |
| } |
| |
| |
| static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) |
| { |
| /* This is for scan command, the big buffer at end of command array */ |
| if (is_huge) |
| return q->n_window; /* must be power of 2 */ |
| |
| /* Otherwise, use normal size buffers */ |
| return index & (q->n_window - 1); |
| } |
| |
| |
| struct iwl_priv; |
| |
| |
| struct iwl_dma_ptr { |
| dma_addr_t dma; |
| void *addr; |
| size_t size; |
| }; |
| |
| #define IWL_CHANNEL_WIDTH_20MHZ 0 |
| #define IWL_CHANNEL_WIDTH_40MHZ 1 |
| |
| #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 IWL_TX_CRC_SIZE 4 |
| #define IWL_TX_DELIMITER_SIZE 4 |
| |
| #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 |
| |
| /* Sensitivity and chain noise calibration */ |
| #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1) |
| #define INITIALIZATION_VALUE 0xFFFF |
| #define CAL_NUM_OF_BEACONS 20 |
| #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 iwl4965_false_alarm_state { |
| IWL_FA_TOO_MANY = 0, |
| IWL_FA_TOO_FEW = 1, |
| IWL_FA_GOOD_RANGE = 2, |
| }; |
| |
| enum iwl4965_chain_noise_state { |
| IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ |
| IWL_CHAIN_NOISE_ACCUMULATE, |
| IWL_CHAIN_NOISE_CALIBRATED, |
| IWL_CHAIN_NOISE_DONE, |
| }; |
| |
| enum iwl4965_calib_enabled_state { |
| IWL_CALIB_DISABLED = 0, /* must be 0 */ |
| IWL_CALIB_ENABLED = 1, |
| }; |
| |
| struct statistics_general_data { |
| u32 beacon_silence_rssi_a; |
| u32 beacon_silence_rssi_b; |
| u32 beacon_silence_rssi_c; |
| u32 beacon_energy_a; |
| u32 beacon_energy_b; |
| u32 beacon_energy_c; |
| }; |
| |
| |
| /* |
| * enum iwl_calib |
| * defines the order in which results of initial calibrations |
| * should be sent to the runtime uCode |
| */ |
| enum iwl_calib { |
| IWL_CALIB_XTAL, |
| IWL_CALIB_DC, |
| IWL_CALIB_LO, |
| IWL_CALIB_TX_IQ, |
| IWL_CALIB_TX_IQ_PERD, |
| IWL_CALIB_BASE_BAND, |
| IWL_CALIB_MAX |
| }; |
| |
| /* Opaque calibration results */ |
| struct iwl_calib_result { |
| void *buf; |
| size_t buf_len; |
| }; |
| |
| enum ucode_type { |
| UCODE_NONE = 0, |
| UCODE_INIT, |
| UCODE_RT |
| }; |
| |
| /* 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; |
| }; |
| |
| /* 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; |
| }; |
| |
| #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ |
| #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ |
| |
| |
| enum { |
| MEASUREMENT_READY = (1 << 0), |
| MEASUREMENT_ACTIVE = (1 << 1), |
| }; |
| |
| |
| #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */ |
| |
| struct iwl_priv { |
| |
| /* ieee device used by generic ieee processing code */ |
| struct ieee80211_hw *hw; |
| struct ieee80211_channel *ieee_channels; |
| struct ieee80211_rate *ieee_rates; |
| struct iwl_cfg *cfg; |
| |
| /* temporary frame storage list */ |
| struct list_head free_frames; |
| int frames_count; |
| |
| enum ieee80211_band band; |
| int alloc_rxb_skb; |
| |
| void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, |
| struct iwl_rx_mem_buffer *rxb); |
| |
| struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; |
| |
| #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT |
| /* spectrum measurement report caching */ |
| struct iwl4965_spectrum_notification measure_report; |
| u8 measurement_status; |
| #endif |
| /* ucode beacon time */ |
| u32 ucode_beacon_time; |
| |
| /* we allocate array of iwl4965_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 */ |
| |
| /* thermal calibration */ |
| s32 temperature; /* degrees Kelvin */ |
| s32 last_temperature; |
| |
| /* init calibration results */ |
| struct iwl_calib_result calib_results[IWL_CALIB_MAX]; |
| |
| /* 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; |
| struct iwl_scan_cmd *scan; |
| int scan_bands; |
| int one_direct_scan; |
| u8 direct_ssid_len; |
| u8 direct_ssid[IW_ESSID_MAX_SIZE]; |
| u8 scan_tx_ant[IEEE80211_NUM_BANDS]; |
| u8 mgmt_tx_ant; |
| |
| /* spinlock */ |
| spinlock_t lock; /* protect general shared data */ |
| spinlock_t hcmd_lock; /* protect hcmd */ |
| struct mutex mutex; |
| |
| /* basic pci-network driver stuff */ |
| struct pci_dev *pci_dev; |
| |
| /* pci hardware address support */ |
| void __iomem *hw_base; |
| u32 hw_rev; |
| u32 hw_wa_rev; |
| u8 rev_id; |
| |
| /* uCode images, save to reload in case of failure */ |
| u32 ucode_ver; /* version of ucode, copy of |
| iwl_ucode.ver */ |
| struct fw_desc ucode_code; /* runtime inst */ |
| struct fw_desc ucode_data; /* runtime data original */ |
| struct fw_desc ucode_data_backup; /* runtime data save/restore */ |
| struct fw_desc ucode_init; /* initialization inst */ |
| struct fw_desc ucode_init_data; /* initialization data */ |
| struct fw_desc ucode_boot; /* bootstrap inst */ |
| enum ucode_type ucode_type; |
| u8 ucode_write_complete; /* the image write is complete */ |
| |
| |
| struct iwl_rxon_time_cmd rxon_timing; |
| |
| /* 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_rxon; |
| struct iwl_rxon_cmd staging_rxon; |
| |
| int error_recovering; |
| struct iwl_rxon_cmd recovery_rxon; |
| |
| /* 1st responses from initialize and runtime uCode images. |
| * 4965's initialize alive response contains some calibration data. */ |
| struct iwl_init_alive_resp card_alive_init; |
| struct iwl_alive_resp card_alive; |
| #ifdef CONFIG_IWLWIFI_RFKILL |
| struct rfkill *rfkill; |
| #endif |
| |
| #ifdef CONFIG_IWLWIFI_LEDS |
| struct iwl_led led[IWL_LED_TRG_MAX]; |
| unsigned long last_blink_time; |
| u8 last_blink_rate; |
| u8 allow_blinking; |
| u64 led_tpt; |
| #endif |
| |
| u16 active_rate; |
| u16 active_rate_basic; |
| |
| u8 assoc_station_added; |
| u8 start_calib; |
| struct iwl_sensitivity_data sensitivity_data; |
| struct iwl_chain_noise_data chain_noise_data; |
| __le16 sensitivity_tbl[HD_TABLE_SIZE]; |
| |
| struct iwl_ht_info current_ht_config; |
| u8 last_phy_res[100]; |
| |
| /* Rate scaling data */ |
| s8 data_retry_limit; |
| u8 retry_rate; |
| |
| wait_queue_head_t wait_command_queue; |
| |
| int activity_timer_active; |
| |
| /* Rx and Tx DMA processing queues */ |
| struct iwl_rx_queue rxq; |
| struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES]; |
| unsigned long txq_ctx_active_msk; |
| struct iwl_dma_ptr kw; /* keep warm address */ |
| struct iwl_dma_ptr scd_bc_tbls; |
| |
| u32 scd_base_addr; /* scheduler sram base address */ |
| |
| unsigned long status; |
| |
| int last_rx_rssi; /* From Rx packet statistics */ |
| int last_rx_noise; /* From beacon statistics */ |
| |
| /* counts mgmt, ctl, and data packets */ |
| struct traffic_stats { |
| u32 cnt; |
| u64 bytes; |
| } tx_stats[3], rx_stats[3]; |
| |
| struct iwl_power_mgr power_data; |
| |
| struct iwl_notif_statistics statistics; |
| unsigned long last_statistics_time; |
| |
| /* context information */ |
| u16 rates_mask; |
| |
| u32 power_mode; |
| u32 antenna; |
| u8 bssid[ETH_ALEN]; |
| u16 rts_threshold; |
| u8 mac_addr[ETH_ALEN]; |
| |
| /*station table variables */ |
| spinlock_t sta_lock; |
| int num_stations; |
| struct iwl_station_entry stations[IWL_STATION_COUNT]; |
| struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; |
| u8 default_wep_key; |
| u8 key_mapping_key; |
| unsigned long ucode_key_table; |
| |
| /* Indication if ieee80211_ops->open has been called */ |
| u8 is_open; |
| |
| u8 mac80211_registered; |
| |
| /* Rx'd packet timing information */ |
| u32 last_beacon_time; |
| u64 last_tsf; |
| |
| /* eeprom */ |
| u8 *eeprom; |
| struct iwl_eeprom_calib_info *calib_info; |
| |
| enum nl80211_iftype iw_mode; |
| |
| struct sk_buff *ibss_beacon; |
| |
| /* Last Rx'd beacon timestamp */ |
| u64 timestamp; |
| u16 beacon_int; |
| struct ieee80211_vif *vif; |
| |
| struct iwl_hw_params hw_params; |
| |
| |
| /* Current association information needed to configure the |
| * hardware */ |
| u16 assoc_id; |
| u16 assoc_capability; |
| |
| struct iwl_qos_info qos_data; |
| |
| struct workqueue_struct *workqueue; |
| |
| struct work_struct up; |
| struct work_struct restart; |
| struct work_struct calibrated_work; |
| struct work_struct scan_completed; |
| struct work_struct rx_replenish; |
| struct work_struct rf_kill; |
| struct work_struct abort_scan; |
| struct work_struct update_link_led; |
| struct work_struct auth_work; |
| struct work_struct report_work; |
| struct work_struct request_scan; |
| struct work_struct beacon_update; |
| |
| struct tasklet_struct irq_tasklet; |
| |
| struct delayed_work set_power_save; |
| struct delayed_work init_alive_start; |
| struct delayed_work alive_start; |
| struct delayed_work scan_check; |
| /* TX Power */ |
| s8 tx_power_user_lmt; |
| s8 tx_power_channel_lmt; |
| |
| |
| #ifdef CONFIG_IWLWIFI_DEBUG |
| /* debugging info */ |
| u32 debug_level; |
| u32 framecnt_to_us; |
| atomic_t restrict_refcnt; |
| #ifdef CONFIG_IWLWIFI_DEBUGFS |
| /* debugfs */ |
| struct iwl_debugfs *dbgfs; |
| #endif /* CONFIG_IWLWIFI_DEBUGFS */ |
| #endif /* CONFIG_IWLWIFI_DEBUG */ |
| |
| struct work_struct txpower_work; |
| u32 disable_sens_cal; |
| u32 disable_chain_noise_cal; |
| u32 disable_tx_power_cal; |
| struct work_struct run_time_calib_work; |
| struct timer_list statistics_periodic; |
| }; /*iwl_priv */ |
| |
| static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) |
| { |
| set_bit(txq_id, &priv->txq_ctx_active_msk); |
| } |
| |
| static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) |
| { |
| clear_bit(txq_id, &priv->txq_ctx_active_msk); |
| } |
| |
| #ifdef CONFIG_IWLWIFI_DEBUG |
| const char *iwl_get_tx_fail_reason(u32 status); |
| #else |
| static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } |
| #endif |
| |
| |
| static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, |
| int txq_id, int idx) |
| { |
| if (priv->txq[txq_id].txb[idx].skb[0]) |
| return (struct ieee80211_hdr *)priv->txq[txq_id]. |
| txb[idx].skb[0]->data; |
| return NULL; |
| } |
| |
| |
| static inline int iwl_is_associated(struct iwl_priv *priv) |
| { |
| return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; |
| } |
| |
| 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__ */ |