/******************************************************************************
*
- * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
+ * 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
#include "iwl-debug.h"
#include "iwl-4965-hw.h"
#include "iwl-3945-hw.h"
-#include "iwl-3945-led.h"
#include "iwl-led.h"
#include "iwl-power.h"
#include "iwl-agn-rs.h"
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_bgn_cfg;
extern struct iwl_cfg iwl5100_abg_cfg;
extern struct iwl_cfg iwl5150_agn_cfg;
-extern struct iwl_cfg iwl6000h_2agn_cfg;
+extern struct iwl_cfg iwl5150_abg_cfg;
extern struct iwl_cfg iwl6000i_2agn_cfg;
+extern struct iwl_cfg iwl6000i_2abg_cfg;
+extern struct iwl_cfg iwl6000i_2bg_cfg;
extern struct iwl_cfg iwl6000_3agn_cfg;
extern struct iwl_cfg iwl6050_2agn_cfg;
-extern struct iwl_cfg iwl6050_3agn_cfg;
+extern struct iwl_cfg iwl6050_2abg_cfg;
extern struct iwl_cfg iwl1000_bgn_cfg;
+extern struct iwl_cfg iwl1000_bg_cfg;
struct iwl_tx_queue;
/* shared structures from iwl-5000.c */
extern struct iwl_mod_params iwl50_mod_params;
-extern struct iwl_ops iwl5000_ops;
extern struct iwl_ucode_ops iwl5000_ucode;
extern struct iwl_lib_ops iwl5000_lib;
extern struct iwl_hcmd_ops iwl5000_hcmd;
__le32 *tx_flags);
extern int iwl5000_calc_rssi(struct iwl_priv *priv,
struct iwl_rx_phy_res *rx_resp);
-extern int iwl5000_apm_init(struct iwl_priv *priv);
-extern void iwl5000_apm_stop(struct iwl_priv *priv);
-extern int iwl5000_apm_reset(struct iwl_priv *priv);
extern void iwl5000_nic_config(struct iwl_priv *priv);
extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv);
extern const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
#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;
+ 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;
*/
void (*callback)(struct iwl_priv *priv,
struct iwl_device_cmd *cmd,
- struct sk_buff *skb);
+ 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. */
/* HT40 channel info */
s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
- s8 ht40_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
- s8 ht40_min_power; /* always 0 */
- s8 ht40_scan_power; /* (dBm) eeprom, direct scans, any rate */
u8 ht40_flags; /* flags copied from EEPROM */
u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
* queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
#define IWL_MIN_NUM_QUEUES 10
+/*
+ * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00,
+ * the driver maps it into the appropriate device FIFO for the
+ * uCode.
+ */
+#define IWL_CMD_QUEUE_NUM 4
+
/* Power management (not Tx power) structures */
enum iwl_pwr_src {
CMD_WANT_SKB = (1 << 2),
};
-#define IWL_CMD_MAX_PAYLOAD 320
+#define DEF_CMD_PAYLOAD_SIZE 320
+
+/*
+ * IWL_LINK_HDR_MAX should include ieee80211_hdr, radiotap header,
+ * SNAP header and alignment. It should also be big enough for 802.11
+ * control frames.
+ */
+#define IWL_LINK_HDR_MAX 64
/**
* struct iwl_device_cmd
u16 val16;
u32 val32;
struct iwl_tx_cmd tx;
- u8 payload[IWL_CMD_MAX_PAYLOAD];
+ struct iwl6000_channel_switch_cmd chswitch;
+ u8 payload[DEF_CMD_PAYLOAD_SIZE];
} __attribute__ ((packed)) cmd;
} __attribute__ ((packed));
struct iwl_host_cmd {
const void *data;
- struct sk_buff *reply_skb;
+ unsigned long reply_page;
void (*callback)(struct iwl_priv *priv,
struct iwl_device_cmd *cmd,
- struct sk_buff *skb);
+ struct iwl_rx_packet *pkt);
u32 flags;
u16 len;
u8 id;
};
-/*
- * 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
#define CFG_HT_MPDU_DENSITY_4USEC (0x5)
#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
-struct iwl_ht_info {
+struct iwl_ht_config {
/* 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;
+ bool is_ht;
+ bool is_40mhz;
+ bool single_chain_sufficient;
+ enum ieee80211_smps_mode smps; /* current smps mode */
/* BSS related data */
u8 extension_chan_offset;
- u8 tx_chan_width;
u8 ht_protection;
u8 non_GF_STA_present;
};
struct iwl_qosparam_cmd def_qos_parm;
};
-#define STA_PS_STATUS_WAKE 0
-#define STA_PS_STATUS_SLEEP 1
-
-
-struct iwl3945_station_entry {
- struct iwl3945_addsta_cmd sta;
- struct iwl_tid_data tid[MAX_TID_COUNT];
- u8 used;
- u8 ps_status;
- struct iwl_hw_key keyinfo;
-};
-
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;
};
+/*
+ * 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_lq_sta lq_sta;
+ atomic_t pending_frames;
+ bool client;
+ bool asleep;
+};
+
/* one for each uCode image (inst/data, boot/init/runtime) */
struct fw_desc {
void *v_addr; /* access by driver */
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;
};
* @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
+ * @rx_page_order: Rx buffer page order
* @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
* @max_stations:
* @bcast_sta_id:
u8 valid_rx_ant;
u16 max_rxq_size;
u16 max_rxq_log;
- u32 rx_buf_size;
+ u32 rx_page_order;
u32 rx_wrt_ptr_reg;
- u32 max_pkt_size;
u8 max_stations;
u8 bcast_sta_id;
u8 ht40_channel;
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 ?
+ 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 */
+ /*
+ * 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 */
size_t size;
};
-#define HT_SHORT_GI_20MHZ (1 << 0)
-#define HT_SHORT_GI_40MHZ (1 << 1)
-
-#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
/* Sensitivity and chain noise calibration */
#define INITIALIZATION_VALUE 0xFFFF
-#define CAL_NUM_OF_BEACONS 20
+#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
size_t buf_len;
};
-#define UCODE_ALIVE_TIMEOUT (5 * HZ)
-
enum ucode_type {
UCODE_NONE = 0,
UCODE_INIT,
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 */
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_HYBRID: use both Internal and external PA
* @IWL_PA_INTERNAL: use Internal only
*/
enum iwl_pa_type {
IWL_PA_SYSTEM = 0,
- IWL_PA_HYBRID = 1,
- IWL_PA_INTERNAL = 2,
+ IWL_PA_INTERNAL = 1,
};
/* interrupt statistics */
};
#endif
-#define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
+/*
+ * 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 (0)
+#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)
+
+enum iwl_reset {
+ IWL_RF_RESET = 0,
+ IWL_FW_RESET,
+};
struct iwl_priv {
int frames_count;
enum ieee80211_band band;
- int alloc_rxb_skb;
+ 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];
-#if defined(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
/* spectrum measurement report caching */
struct iwl_spectrum_notification measure_report;
u8 measurement_status;
-#endif
+
/* ucode beacon time */
u32 ucode_beacon_time;
+ int missed_beacon_threshold;
+
+ /* storing the jiffies when the plcp error rate is received */
+ unsigned long plcp_jiffies;
+
+ /* reporting the number of tids has AGG on. 0 means no AGGREGATION */
+ u8 agg_tids_count;
+
+ /* force reset */
+ unsigned long last_force_reset_jiffies;
/* we allocate array of iwl4965_channel_info for NIC's valid channels.
* Access via channel # using indirect index array */
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;
void *scan;
int scan_bands;
struct cfg80211_scan_request *scan_request;
+ bool is_internal_short_scan;
u8 scan_tx_ant[IEEE80211_NUM_BANDS];
u8 mgmt_tx_ant;
const struct iwl_rxon_cmd active_rxon;
struct iwl_rxon_cmd staging_rxon;
- struct iwl_rxon_cmd recovery_rxon;
+ struct iwl_switch_rxon switch_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_LEDS
unsigned long last_blink_time;
u8 last_blink_rate;
u8 allow_blinking;
u64 led_tpt;
- struct iwl_led led[IWL_LED_TRG_MAX];
- unsigned int rxtxpackets;
-#endif
+
u16 active_rate;
u16 active_rate_basic;
struct iwl_chain_noise_data chain_noise_data;
__le16 sensitivity_tbl[HD_TABLE_SIZE];
- struct iwl_ht_info current_ht_config;
+ struct iwl_ht_config 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;
/* Rx and Tx DMA processing queues */
struct iwl_rx_queue rxq;
- struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
+ 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;
struct isr_statistics isr_stats;
struct iwl_power_mgr power_data;
+ struct iwl_tt_mgmt thermal_throttle;
struct iwl_notif_statistics statistics;
- unsigned long last_statistics_time;
+#ifdef CONFIG_IWLWIFI_DEBUG
+ struct iwl_notif_statistics accum_statistics;
+ struct iwl_notif_statistics delta_statistics;
+ struct iwl_notif_statistics max_delta;
+#endif
/* context information */
u16 rates_mask;
- u32 power_mode;
u8 bssid[ETH_ALEN];
u16 rts_threshold;
u8 mac_addr[ETH_ALEN];
u32 last_beacon_time;
u64 last_tsf;
- /* eeprom */
+ /* eeprom -- this is in the card's little endian byte order */
u8 *eeprom;
int nvm_device_type;
struct iwl_eeprom_calib_info *calib_info;
struct iwl_hw_params hw_params;
/* INT ICT Table */
- u32 *ict_tbl;
+ __le32 *ict_tbl;
dma_addr_t ict_tbl_dma;
dma_addr_t aligned_ict_tbl_dma;
int ict_index;
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 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 work_struct tt_work;
+ struct work_struct ct_enter;
+ struct work_struct ct_exit;
struct tasklet_struct irq_tasklet;
/* TX Power */
s8 tx_power_user_lmt;
- s8 tx_power_channel_lmt;
+ s8 tx_power_device_lmt;
+ s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */
#ifdef CONFIG_IWLWIFI_DEBUG
u16 rx_traffic_idx;
u8 *tx_traffic;
u8 *rx_traffic;
- struct iwl_debugfs *dbgfs;
+ struct dentry *debugfs_dir;
+ u32 dbgfs_sram_offset, dbgfs_sram_len;
#endif /* CONFIG_IWLWIFI_DEBUGFS */
#endif /* CONFIG_IWLWIFI_DEBUG */
u32 disable_tx_power_cal;
struct work_struct run_time_calib_work;
struct timer_list statistics_periodic;
+ struct timer_list ucode_trace;
bool hw_ready;
/*For 3945*/
#define IWL_DEFAULT_TX_POWER 0x0F
struct iwl3945_notif_statistics statistics_39;
u32 sta_supp_rates;
+
+ struct iwl_event_log event_log;
}; /*iwl_priv */
static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
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__ */