| /****************************************************************************** |
| * |
| * Copyright(c) 2003 - 2010 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 <linux/wait.h> |
| #include <linux/leds.h> |
| #include <net/ieee80211_radiotap.h> |
| |
| #include "iwl-eeprom.h" |
| #include "iwl-csr.h" |
| #include "iwl-prph.h" |
| #include "iwl-fh.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" |
| |
| #define U32_PAD(n) ((4-(n))&0x3) |
| |
| struct iwl_tx_queue; |
| |
| /* 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 (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 page_dma; |
| struct page *page; |
| struct list_head list; |
| }; |
| |
| #define rxb_addr(r) page_address(r->page) |
| |
| /* defined below */ |
| struct iwl_device_cmd; |
| |
| struct iwl_cmd_meta { |
| /* only for SYNC commands, iff the reply skb is wanted */ |
| struct iwl_host_cmd *source; |
| /* |
| * only for ASYNC commands |
| * (which is somewhat stupid -- look at iwl-sta.c for instance |
| * which duplicates a bunch of code because the callback isn't |
| * invoked for SYNC commands, if it were and its result passed |
| * through it would be simpler...) |
| */ |
| void (*callback)(struct iwl_priv *priv, |
| struct iwl_device_cmd *cmd, |
| struct iwl_rx_packet *pkt); |
| |
| /* The CMD_SIZE_HUGE flag bit indicates that the command |
| * structure is stored at the end of the shared queue memory. */ |
| u32 flags; |
| |
| DEFINE_DMA_UNMAP_ADDR(mapping); |
| DEFINE_DMA_UNMAP_LEN(len); |
| }; |
| |
| /* |
| * 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*/ |
| /* use for monitoring and recovering the stuck queue */ |
| 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 */ |
| }; |
| |
| /* One for each TFD */ |
| struct iwl_tx_info { |
| struct sk_buff *skb; |
| struct iwl_rxon_context *ctx; |
| }; |
| |
| /** |
| * 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 buffer pointers |
| * @meta: array of meta data for each command/tx buffer |
| * @dma_addr_cmd: physical address of cmd/tx buffer array |
| * @txb: array of per-TFD driver data |
| * @time_stamp: time (in jiffies) of last read_ptr change |
| * @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. |
| */ |
| #define TFD_TX_CMD_SLOTS 256 |
| #define TFD_CMD_SLOTS 32 |
| |
| struct iwl_tx_queue { |
| struct iwl_queue q; |
| void *tfds; |
| struct iwl_device_cmd **cmd; |
| struct iwl_cmd_meta *meta; |
| struct iwl_tx_info *txb; |
| unsigned long time_stamp; |
| 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; |
| }; |
| |
| #define IWL4965_MAX_RATE (33) |
| |
| struct iwl3945_clip_group { |
| /* maximum power level to prevent clipping for each rate, derived by |
| * us from this band's saturation power in EEPROM */ |
| const s8 clip_powers[IWL_MAX_RATES]; |
| }; |
| |
| /* current Tx power values to use, one for each rate for each channel. |
| * requested power is limited by: |
| * -- regulatory EEPROM limits for this channel |
| * -- hardware capabilities (clip-powers) |
| * -- spectrum management |
| * -- user preference (e.g. iwconfig) |
| * when requested power is set, base power index must also be set. */ |
| struct iwl3945_channel_power_info { |
| struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ |
| s8 power_table_index; /* actual (compenst'd) index into gain table */ |
| s8 base_power_index; /* gain index for power at factory temp. */ |
| s8 requested_power; /* power (dBm) requested for this chnl/rate */ |
| }; |
| |
| /* current scan Tx power values to use, one for each scan rate for each |
| * channel. */ |
| struct iwl3945_scan_power_info { |
| struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ |
| s8 power_table_index; /* actual (compenst'd) index into gain table */ |
| s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ |
| }; |
| |
| /* |
| * 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 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_* */ |
| |
| /* Radio/DSP gain settings for each "normal" data Tx rate. |
| * These include, in addition to RF and DSP gain, a few fields for |
| * remembering/modifying gain settings (indexes). */ |
| struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE]; |
| |
| /* Radio/DSP gain settings for each scan rate, for directed scans. */ |
| struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; |
| }; |
| |
| #define IWL_TX_FIFO_BK 0 /* shared */ |
| #define IWL_TX_FIFO_BE 1 |
| #define IWL_TX_FIFO_VI 2 /* shared */ |
| #define IWL_TX_FIFO_VO 3 |
| #define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK |
| #define IWL_TX_FIFO_BE_IPAN 4 |
| #define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI |
| #define IWL_TX_FIFO_VO_IPAN 5 |
| #define IWL_TX_FIFO_UNUSED -1 |
| |
| /* Minimum number of queues. MAX_NUM is defined in hw specific files. |
| * Set the minimum to accommodate the 4 standard TX queues, 1 command |
| * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ |
| #define IWL_MIN_NUM_QUEUES 10 |
| |
| /* |
| * Command queue depends on iPAN support. |
| */ |
| #define IWL_DEFAULT_CMD_QUEUE_NUM 4 |
| #define IWL_IPAN_CMD_QUEUE_NUM 9 |
| |
| /* |
| * This queue number is required for proper operation |
| * because the ucode will stop/start the scheduler as |
| * required. |
| */ |
| #define IWL_IPAN_MCAST_QUEUE 8 |
| |
| #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_SYNC = 0, |
| CMD_SIZE_NORMAL = 0, |
| CMD_NO_SKB = 0, |
| CMD_SIZE_HUGE = (1 << 0), |
| CMD_ASYNC = (1 << 1), |
| CMD_WANT_SKB = (1 << 2), |
| }; |
| |
| #define DEF_CMD_PAYLOAD_SIZE 320 |
| |
| /** |
| * struct iwl_device_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_device_cmd { |
| struct iwl_cmd_header hdr; /* uCode API */ |
| union { |
| u32 flags; |
| u8 val8; |
| u16 val16; |
| u32 val32; |
| struct iwl_tx_cmd tx; |
| struct iwl6000_channel_switch_cmd chswitch; |
| u8 payload[DEF_CMD_PAYLOAD_SIZE]; |
| } __packed cmd; |
| } __packed; |
| |
| #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) |
| |
| |
| struct iwl_host_cmd { |
| const void *data; |
| unsigned long reply_page; |
| void (*callback)(struct iwl_priv *priv, |
| struct iwl_device_cmd *cmd, |
| struct iwl_rx_packet *pkt); |
| u32 flags; |
| u16 len; |
| u8 id; |
| }; |
| |
| #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 |
| * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) |
| * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) |
| * @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 |
| * @rb_stts: driver's pointer to receive buffer status |
| * @rb_stts_dma: bus address of receive buffer status |
| * |
| * 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 bd_dma; |
| 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; |
| u32 write_actual; |
| 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 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; /* agn only */ |
| u16 tfds_in_queue; |
| struct iwl_ht_agg agg; |
| }; |
| |
| struct iwl_hw_key { |
| u32 cipher; |
| int keylen; |
| u8 keyidx; |
| u8 key[32]; |
| }; |
| |
| 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; |
| }; |
| |
| /* |
| * 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; |
| struct iwl_tid_data tid[MAX_TID_COUNT]; |
| u8 used, ctxid; |
| struct iwl_hw_key keyinfo; |
| struct iwl_link_quality_cmd *lq; |
| }; |
| |
| struct iwl_station_priv_common { |
| struct iwl_rxon_context *ctx; |
| u8 sta_id; |
| }; |
| |
| /* |
| * 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. |
| * |
| * The common struct MUST be first because it is shared between |
| * 3945 and agn! |
| */ |
| struct iwl_station_priv { |
| struct iwl_station_priv_common common; |
| struct iwl_lq_sta lq_sta; |
| atomic_t pending_frames; |
| bool client; |
| bool asleep; |
| u8 max_agg_bufsize; |
| }; |
| |
| /** |
| * 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; |
| }; |
| |
| /* 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 */ |
| }; |
| |
| /* v1/v2 uCode file layout */ |
| struct iwl_ucode_header { |
| __le32 ver; /* major/minor/API/serial */ |
| union { |
| struct { |
| __le32 inst_size; /* bytes of runtime code */ |
| __le32 data_size; /* bytes of runtime data */ |
| __le32 init_size; /* bytes of init code */ |
| __le32 init_data_size; /* bytes of init data */ |
| __le32 boot_size; /* bytes of bootstrap code */ |
| u8 data[0]; /* in same order as sizes */ |
| } v1; |
| struct { |
| __le32 build; /* build number */ |
| __le32 inst_size; /* bytes of runtime code */ |
| __le32 data_size; /* bytes of runtime data */ |
| __le32 init_size; /* bytes of init code */ |
| __le32 init_data_size; /* bytes of init data */ |
| __le32 boot_size; /* bytes of bootstrap code */ |
| u8 data[0]; /* in same order as sizes */ |
| } v2; |
| } u; |
| }; |
| |
| /* |
| * new TLV uCode file layout |
| * |
| * The new TLV file format contains TLVs, that each specify |
| * some piece of data. To facilitate "groups", for example |
| * different instruction image with different capabilities, |
| * bundled with the same init image, an alternative mechanism |
| * is provided: |
| * When the alternative field is 0, that means that the item |
| * is always valid. When it is non-zero, then it is only |
| * valid in conjunction with items of the same alternative, |
| * in which case the driver (user) selects one alternative |
| * to use. |
| */ |
| |
| enum iwl_ucode_tlv_type { |
| IWL_UCODE_TLV_INVALID = 0, /* unused */ |
| IWL_UCODE_TLV_INST = 1, |
| IWL_UCODE_TLV_DATA = 2, |
| IWL_UCODE_TLV_INIT = 3, |
| IWL_UCODE_TLV_INIT_DATA = 4, |
| IWL_UCODE_TLV_BOOT = 5, |
| IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ |
| IWL_UCODE_TLV_PAN = 7, |
| IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, |
| IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, |
| IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, |
| IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, |
| IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, |
| IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, |
| IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, |
| IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, |
| }; |
| |
| struct iwl_ucode_tlv { |
| __le16 type; /* see above */ |
| __le16 alternative; /* see comment */ |
| __le32 length; /* not including type/length fields */ |
| u8 data[0]; |
| } __packed; |
| |
| #define IWL_TLV_UCODE_MAGIC 0x0a4c5749 |
| |
| struct iwl_tlv_ucode_header { |
| /* |
| * The TLV style ucode header is distinguished from |
| * the v1/v2 style header by first four bytes being |
| * zero, as such is an invalid combination of |
| * major/minor/API/serial versions. |
| */ |
| __le32 zero; |
| __le32 magic; |
| u8 human_readable[64]; |
| __le32 ver; /* major/minor/API/serial */ |
| __le32 build; |
| __le64 alternatives; /* bitmask of valid alternatives */ |
| /* |
| * The data contained herein has a TLV layout, |
| * see above for the TLV header and types. |
| * Note that each TLV is padded to a length |
| * that is a multiple of 4 for alignment. |
| */ |
| u8 data[0]; |
| }; |
| |
| 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; |
| |
| 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) |
| |
| |
| /** |
| * 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 |
| * @tfd_size: TFD size |
| * @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_page_order: Rx buffer page order |
| * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR |
| * @max_stations: |
| * @ht40_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 |
| * @beacon_time_tsf_bits: number of valid tsf bits for beacon time |
| * @calib_init_cfg: setup initial calibrations for the hw |
| * @calib_rt_cfg: setup runtime 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; |
| u32 tfd_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_page_order; |
| u32 rx_wrt_ptr_reg; |
| u8 max_stations; |
| u8 ht40_channel; |
| u8 max_beacon_itrvl; /* in 1024 ms */ |
| u32 max_inst_size; |
| u32 max_data_size; |
| u32 max_bsm_size; |
| u32 ct_kill_threshold; /* value in hw-dependent units */ |
| u32 ct_kill_exit_threshold; /* value in hw-dependent units */ |
| /* for 1000, 6000 series and up */ |
| u16 beacon_time_tsf_bits; |
| u32 calib_init_cfg; |
| u32 calib_rt_cfg; |
| const struct iwl_sensitivity_ranges *sens; |
| }; |
| |
| |
| /****************************************************************************** |
| * |
| * 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 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 init calibration result and scan command which |
| * required buffer > TFD_MAX_PAYLOAD_SIZE, |
| * 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_dma_ptr { |
| dma_addr_t dma; |
| void *addr; |
| size_t size; |
| }; |
| |
| #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 INITIALIZATION_VALUE 0xFFFF |
| #define IWL4965_CAL_NUM_BEACONS 20 |
| #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 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, |
| }; |
| |
| |
| /* |
| * 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_TEMP_OFFSET, |
| 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; |
| |
| 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; |
| }; |
| |
| #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ |
| #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ |
| |
| #define IWL_TRAFFIC_ENTRIES (256) |
| #define IWL_TRAFFIC_ENTRY_SIZE (64) |
| |
| 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, |
| }; |
| |
| /** |
| * enum iwl_pa_type - Power Amplifier type |
| * @IWL_PA_SYSTEM: based on uCode configuration |
| * @IWL_PA_INTERNAL: use Internal only |
| */ |
| enum iwl_pa_type { |
| IWL_PA_SYSTEM = 0, |
| IWL_PA_INTERNAL = 1, |
| }; |
| |
| /* interrupt statistics */ |
| struct isr_statistics { |
| u32 hw; |
| u32 sw; |
| u32 err_code; |
| u32 sch; |
| u32 alive; |
| u32 rfkill; |
| u32 ctkill; |
| u32 wakeup; |
| u32 rx; |
| u32 rx_handlers[REPLY_MAX]; |
| u32 tx; |
| u32 unhandled; |
| }; |
| |
| /* 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; |
| }; |
| |
| /* management statistics */ |
| enum iwl_mgmt_stats { |
| MANAGEMENT_ASSOC_REQ = 0, |
| MANAGEMENT_ASSOC_RESP, |
| MANAGEMENT_REASSOC_REQ, |
| MANAGEMENT_REASSOC_RESP, |
| MANAGEMENT_PROBE_REQ, |
| MANAGEMENT_PROBE_RESP, |
| MANAGEMENT_BEACON, |
| MANAGEMENT_ATIM, |
| MANAGEMENT_DISASSOC, |
| MANAGEMENT_AUTH, |
| MANAGEMENT_DEAUTH, |
| MANAGEMENT_ACTION, |
| MANAGEMENT_MAX, |
| }; |
| /* control statistics */ |
| enum iwl_ctrl_stats { |
| CONTROL_BACK_REQ = 0, |
| CONTROL_BACK, |
| CONTROL_PSPOLL, |
| CONTROL_RTS, |
| CONTROL_CTS, |
| CONTROL_ACK, |
| CONTROL_CFEND, |
| CONTROL_CFENDACK, |
| CONTROL_MAX, |
| }; |
| |
| struct traffic_stats { |
| #ifdef CONFIG_IWLWIFI_DEBUGFS |
| u32 mgmt[MANAGEMENT_MAX]; |
| u32 ctrl[CONTROL_MAX]; |
| u32 data_cnt; |
| u64 data_bytes; |
| #endif |
| }; |
| |
| /* |
| * iwl_switch_rxon: "channel switch" structure |
| * |
| * @ switch_in_progress: channel switch in progress |
| * @ channel: new channel |
| */ |
| struct iwl_switch_rxon { |
| bool switch_in_progress; |
| __le16 channel; |
| }; |
| |
| /* |
| * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds |
| * to perform continuous uCode event logging operation if enabled |
| */ |
| #define UCODE_TRACE_PERIOD (100) |
| |
| /* |
| * 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; |
| }; |
| |
| /* |
| * host interrupt timeout value |
| * used with setting interrupt coalescing timer |
| * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit |
| * |
| * default interrupt coalescing timer is 64 x 32 = 2048 usecs |
| * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs |
| */ |
| #define IWL_HOST_INT_TIMEOUT_MAX (0xFF) |
| #define IWL_HOST_INT_TIMEOUT_DEF (0x40) |
| #define IWL_HOST_INT_TIMEOUT_MIN (0x0) |
| #define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) |
| #define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) |
| #define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) |
| |
| /* |
| * This is the threshold value of plcp error rate per 100mSecs. It is |
| * used to set and check for the validity of plcp_delta. |
| */ |
| #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) |
| #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) |
| #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) |
| #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) |
| #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) |
| #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) |
| |
| #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) |
| #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) |
| |
| /* TX queue watchdog timeouts in mSecs */ |
| #define IWL_DEF_WD_TIMEOUT (2000) |
| #define IWL_LONG_WD_TIMEOUT (10000) |
| #define IWL_MAX_WD_TIMEOUT (120000) |
| |
| /* 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 |
| |
| |
| enum iwl_reset { |
| IWL_RF_RESET = 0, |
| IWL_FW_RESET, |
| IWL_MAX_FORCE_RESET, |
| }; |
| |
| struct iwl_force_reset { |
| int reset_request_count; |
| int reset_success_count; |
| int reset_reject_count; |
| unsigned long reset_duration; |
| unsigned long last_force_reset_jiffies; |
| }; |
| |
| /* extend beacon time format bit shifting */ |
| /* |
| * for _3945 devices |
| * bits 31:24 - extended |
| * bits 23:0 - interval |
| */ |
| #define IWL3945_EXT_BEACON_TIME_POS 24 |
| /* |
| * for _agn devices |
| * bits 31:22 - extended |
| * bits 21:0 - interval |
| */ |
| #define IWLAGN_EXT_BEACON_TIME_POS 22 |
| |
| /** |
| * struct iwl_notification_wait - notification wait entry |
| * @list: list head for global list |
| * @fn: function called with the notification |
| * @cmd: command ID |
| * |
| * This structure is not used directly, to wait for a |
| * notification declare it on the stack, and call |
| * iwlagn_init_notification_wait() with appropriate |
| * parameters. Then do whatever will cause the ucode |
| * to notify the driver, and to wait for that then |
| * call iwlagn_wait_notification(). |
| * |
| * Each notification is one-shot. If at some point we |
| * need to support multi-shot notifications (which |
| * can't be allocated on the stack) we need to modify |
| * the code for them. |
| */ |
| struct iwl_notification_wait { |
| struct list_head list; |
| |
| void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt); |
| |
| u8 cmd; |
| bool triggered; |
| }; |
| |
| enum iwl_rxon_context_id { |
| IWL_RXON_CTX_BSS, |
| IWL_RXON_CTX_PAN, |
| |
| NUM_IWL_RXON_CTX |
| }; |
| |
| struct iwl_rxon_context { |
| struct ieee80211_vif *vif; |
| |
| const u8 *ac_to_fifo; |
| const u8 *ac_to_queue; |
| u8 mcast_queue; |
| |
| /* |
| * 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; |
| |
| 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_OFFCH_TX, |
| }; |
| |
| 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_page; |
| |
| void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, |
| struct iwl_rx_mem_buffer *rxb); |
| |
| struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; |
| |
| /* spectrum measurement report caching */ |
| struct iwl_spectrum_notification measure_report; |
| u8 measurement_status; |
| |
| /* 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; |
| |
| /* force reset */ |
| struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; |
| |
| /* firmware reload counter and timestamp */ |
| unsigned long reload_jiffies; |
| int reload_count; |
| |
| /* 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 */ |
| |
| /* 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 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; |
| |
| /* spinlock */ |
| spinlock_t lock; /* protect general shared data */ |
| spinlock_t hcmd_lock; /* protect hcmd */ |
| spinlock_t reg_lock; /* protect hw register access */ |
| struct mutex mutex; |
| struct mutex sync_cmd_mutex; /* enable serialization of sync commands */ |
| |
| /* 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; |
| |
| /* microcode/device supports multiple contexts */ |
| u8 valid_contexts; |
| |
| /* command queue number */ |
| u8 cmd_queue; |
| |
| /* max number of station keys */ |
| u8 sta_key_max_num; |
| |
| /* EEPROM MAC addresses */ |
| struct mac_address addresses[2]; |
| |
| /* uCode images, save to reload in case of failure */ |
| int fw_index; /* firmware we're trying to load */ |
| 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 */ |
| char firmware_name[25]; |
| |
| struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; |
| |
| struct iwl_switch_rxon switch_rxon; |
| |
| /* 1st responses from initialize and runtime uCode images. |
| * _agn's initialize alive response contains some calibration data. */ |
| struct iwl_init_alive_resp card_alive_init; |
| struct iwl_alive_resp card_alive; |
| |
| u16 active_rate; |
| |
| u8 start_calib; |
| struct iwl_sensitivity_data sensitivity_data; |
| struct iwl_chain_noise_data chain_noise_data; |
| bool enhance_sensitivity_table; |
| __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; |
| |
| 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; |
| 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; |
| |
| /* counts mgmt, ctl, and data packets */ |
| struct traffic_stats tx_stats; |
| struct traffic_stats rx_stats; |
| |
| /* counts interrupts */ |
| struct isr_statistics isr_stats; |
| |
| struct iwl_power_mgr power_data; |
| struct iwl_tt_mgmt thermal_throttle; |
| |
| /* context information */ |
| u8 bssid[ETH_ALEN]; /* used only on 3945 but filled by core */ |
| |
| /* station table variables */ |
| |
| /* Note: if lock and sta_lock are needed, lock must be acquired first */ |
| spinlock_t sta_lock; |
| int num_stations; |
| struct iwl_station_entry stations[IWL_STATION_COUNT]; |
| unsigned long ucode_key_table; |
| |
| /* queue refcounts */ |
| #define IWL_MAX_HW_QUEUES 32 |
| unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; |
| /* for each AC */ |
| atomic_t queue_stop_count[4]; |
| |
| /* Indication if ieee80211_ops->open has been called */ |
| u8 is_open; |
| |
| u8 mac80211_registered; |
| |
| /* eeprom -- this is in the card's little endian byte order */ |
| u8 *eeprom; |
| int nvm_device_type; |
| struct iwl_eeprom_calib_info *calib_info; |
| |
| enum nl80211_iftype iw_mode; |
| |
| /* Last Rx'd beacon timestamp */ |
| u64 timestamp; |
| |
| union { |
| #if defined(CONFIG_IWL3945) || defined(CONFIG_IWL3945_MODULE) |
| struct { |
| void *shared_virt; |
| dma_addr_t shared_phys; |
| |
| struct delayed_work thermal_periodic; |
| struct delayed_work rfkill_poll; |
| |
| struct iwl3945_notif_statistics statistics; |
| #ifdef CONFIG_IWLWIFI_DEBUGFS |
| struct iwl3945_notif_statistics accum_statistics; |
| struct iwl3945_notif_statistics delta_statistics; |
| struct iwl3945_notif_statistics max_delta; |
| #endif |
| |
| u32 sta_supp_rates; |
| int last_rx_rssi; /* From Rx packet statistics */ |
| |
| /* Rx'd packet timing information */ |
| u32 last_beacon_time; |
| u64 last_tsf; |
| |
| /* |
| * each calibration channel group in the |
| * EEPROM has a derived clip setting for |
| * each rate. |
| */ |
| const struct iwl3945_clip_group clip_groups[5]; |
| |
| } _3945; |
| #endif |
| #if defined(CONFIG_IWLAGN) || defined(CONFIG_IWLAGN_MODULE) |
| struct { |
| /* INT ICT Table */ |
| __le32 *ict_tbl; |
| void *ict_tbl_vir; |
| dma_addr_t ict_tbl_dma; |
| dma_addr_t aligned_ict_tbl_dma; |
| int ict_index; |
| u32 inta; |
| bool use_ict; |
| /* |
| * 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; |
| |
| struct completion firmware_loading_complete; |
| |
| u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; |
| u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; |
| |
| /* |
| * 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; |
| |
| struct iwl_notif_statistics statistics; |
| struct iwl_bt_notif_statistics statistics_bt; |
| /* counts reply_tx error */ |
| struct reply_tx_error_statistics reply_tx_stats; |
| struct reply_agg_tx_error_statistics reply_agg_tx_stats; |
| #ifdef CONFIG_IWLWIFI_DEBUGFS |
| struct iwl_notif_statistics accum_statistics; |
| struct iwl_notif_statistics delta_statistics; |
| struct iwl_notif_statistics max_delta; |
| struct iwl_bt_notif_statistics accum_statistics_bt; |
| struct iwl_bt_notif_statistics delta_statistics_bt; |
| struct iwl_bt_notif_statistics max_delta_bt; |
| #endif |
| |
| /* notification wait support */ |
| struct list_head notif_waits; |
| spinlock_t notif_wait_lock; |
| wait_queue_head_t notif_waitq; |
| |
| /* remain-on-channel offload support */ |
| struct ieee80211_channel *hw_roc_channel; |
| struct delayed_work hw_roc_work; |
| enum nl80211_channel_type hw_roc_chantype; |
| int hw_roc_duration; |
| |
| struct sk_buff *offchan_tx_skb; |
| int offchan_tx_timeout; |
| struct ieee80211_channel *offchan_tx_chan; |
| } _agn; |
| #endif |
| }; |
| |
| /* 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; |
| u16 bt_on_thresh; |
| u16 bt_duration; |
| u16 dynamic_frag_thresh; |
| u8 bt_ci_compliance; |
| struct work_struct bt_traffic_change_work; |
| |
| struct iwl_hw_params hw_params; |
| |
| u32 inta_mask; |
| |
| struct workqueue_struct *workqueue; |
| |
| struct work_struct restart; |
| struct work_struct scan_completed; |
| struct work_struct rx_replenish; |
| struct work_struct abort_scan; |
| |
| struct work_struct beacon_update; |
| struct iwl_rxon_context *beacon_ctx; |
| struct sk_buff *beacon_skb; |
| |
| 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 tasklet_struct irq_tasklet; |
| |
| 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_device_lmt; |
| s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ |
| s8 tx_power_next; |
| |
| |
| #ifdef CONFIG_IWLWIFI_DEBUG |
| /* debugging info */ |
| u32 debug_level; /* per device debugging will override global |
| iwl_debug_level if set */ |
| #endif /* CONFIG_IWLWIFI_DEBUG */ |
| #ifdef CONFIG_IWLWIFI_DEBUGFS |
| /* debugfs */ |
| u16 tx_traffic_idx; |
| u16 rx_traffic_idx; |
| u8 *tx_traffic; |
| u8 *rx_traffic; |
| struct dentry *debugfs_dir; |
| u32 dbgfs_sram_offset, dbgfs_sram_len; |
| bool disable_ht40; |
| #endif /* CONFIG_IWLWIFI_DEBUGFS */ |
| |
| 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; |
| struct timer_list ucode_trace; |
| struct timer_list watchdog; |
| bool hw_ready; |
| |
| struct iwl_event_log event_log; |
| |
| struct led_classdev led; |
| unsigned long blink_on, blink_off; |
| bool led_registered; |
| }; /*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 |
| /* |
| * iwl_get_debug_level: Return active debug level for device |
| * |
| * Using sysfs it is possible to set per device debug level. This debug |
| * level will be used if set, otherwise the global debug level which can be |
| * set via module parameter is used. |
| */ |
| static inline u32 iwl_get_debug_level(struct iwl_priv *priv) |
| { |
| if (priv->debug_level) |
| return priv->debug_level; |
| else |
| return iwl_debug_level; |
| } |
| #else |
| static inline u32 iwl_get_debug_level(struct iwl_priv *priv) |
| { |
| return iwl_debug_level; |
| } |
| #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) |
| return (struct ieee80211_hdr *)priv->txq[txq_id]. |
| txb[idx].skb->data; |
| return NULL; |
| } |
| |
| 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(struct iwl_priv *priv, |
| enum iwl_rxon_context_id ctxid) |
| { |
| return (priv->contexts[ctxid].active.filter_flags & |
| RXON_FILTER_ASSOC_MSK) ? 1 : 0; |
| } |
| |
| static inline int iwl_is_any_associated(struct iwl_priv *priv) |
| { |
| return iwl_is_associated(priv, IWL_RXON_CTX_BSS); |
| } |
| |
| 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 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; |
| } |
| |
| static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) |
| { |
| __free_pages(page, priv->hw_params.rx_page_order); |
| priv->alloc_rxb_page--; |
| } |
| |
| static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) |
| { |
| free_pages(page, priv->hw_params.rx_page_order); |
| priv->alloc_rxb_page--; |
| } |
| #endif /* __iwl_dev_h__ */ |