Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks

1 files changed, 1115 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
new file mode 100644
index 000000000000..c018121085e9
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -0,0 +1,1115 @@
+/******************************************************************************
+ *
+ * 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:
+ * James P. Ketrenos <ipw2100-admin@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;
+
+/* 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 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));
+
+#define MAX_NUM_OF_TBS          (20)
+
+/* One for each TFD */
+struct iwl_tx_info {
+        struct sk_buff *skb[MAX_NUM_OF_TBS];
+};
+
+/**
+ * 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_frame *bd;
+        struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
+        struct iwl_tx_info *txb;
+        int need_update;
+        int sched_retry;
+        int active;
+};
+
+#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_* */
+};
+
+struct iwl4965_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];
+};
+
+
+#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;
+
+} __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 {
+                struct iwl_addsta_cmd addsta;
+                struct iwl_led_cmd led;
+                u32 flags;
+                u8 val8;
+                u16 val16;
+                u32 val32;
+                struct iwl4965_bt_cmd bt;
+                struct iwl4965_rxon_time_cmd rxon_time;
+                struct iwl_powertable_cmd powertable;
+                struct iwl_qosparam_cmd qosparam;
+                struct iwl_tx_cmd tx;
+                struct iwl4965_rxon_assoc_cmd rxon_assoc;
+                struct iwl_rem_sta_cmd rm_sta;
+                u8 *indirect;
+                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
+ * @processed: Internal index to last handled Rx packet
+ * @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 processed;
+        u32 read;
+        u32 write;
+        u32 free_count;
+        struct list_head rx_free;
+        struct list_head rx_used;
+        int need_update;
+        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;
+        u8 supp_mcs_set[16];
+        /* BSS related data */
+        u8 control_channel;
+        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_enable;
+        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/subminor */
+        __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)
+
+/**
+ * struct iwl_hw_params
+ * @max_txq_num: Max # Tx queues supported
+ * @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
+ * @struct iwl_sensitivity_ranges: range of sensitivity values
+ * @first_ampdu_q: first HW queue available for ampdu
+ */
+struct iwl_hw_params {
+        u16 max_txq_num;
+        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 */
+        const struct iwl_sensitivity_ranges *sens;
+        u8 first_ampdu_q;
+};
+
+#define HT_SHORT_GI_20MHZ       (1 << 0)
+#define HT_SHORT_GI_40MHZ       (1 << 1)
+
+
+#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
+                       x->u.rx_frame.stats.payload + \
+                       x->u.rx_frame.stats.phy_count))
+#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
+                       IWL_RX_HDR(x)->payload + \
+                       le16_to_cpu(IWL_RX_HDR(x)->len)))
+#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
+#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
+
+/******************************************************************************
+ *
+ * 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
+ *
+ ****************************************************************************/
+struct iwl_addsta_cmd;
+extern int iwl_send_add_sta(struct iwl_priv *priv,
+                            struct iwl_addsta_cmd *sta, u8 flags);
+extern u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr,
+                        int is_ap, u8 flags, struct ieee80211_ht_info *ht_info);
+extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
+extern int iwl4965_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;
+
+
+/* Structures, enum, and defines specific to the 4965 */
+
+#define IWL_KW_SIZE 0x1000      /*4k */
+
+struct iwl_kw {
+        dma_addr_t dma_addr;
+        void *v_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;
+};
+
+/* 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 */
+#define IWL_CALIB_MAX  3
+
+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 */
+
+        /* each calibration channel group in the EEPROM has a derived
+         * clip setting for each rate. */
+        const struct iwl4965_clip_group clip_groups[5];
+
+        /* 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;
+        int scan_bands;
+        int one_direct_scan;
+        u8 direct_ssid_len;
+        u8 direct_ssid[IW_ESSID_MAX_SIZE];
+        struct iwl_scan_cmd *scan;
+        u32 scan_tx_ant[IEEE80211_NUM_BANDS];
+
+        /* 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 */
+        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 iwl4965_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 use_ant_b_for_management_frame;      /* Tx antenna selection */
+        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_kw kw;       /* keep warm address */
+        u32 scd_base_addr;      /* scheduler sram base address */
+
+        unsigned long status;
+
+        int last_rx_rssi;       /* From Rx packet statisitics */
+        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 */
+        u8 essid[IW_ESSID_MAX_SIZE];
+        u8 essid_len;
+        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;
+        /* driver/uCode shared Tx Byte Counts and Rx status */
+        void *shared_virt;
+        int rb_closed_offset;
+        /* Physical Pointer to Tx Byte Counts and Rx status */
+        dma_addr_t shared_phys;
+
+        /* 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 work_struct set_monitor;
+
+        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_PM
+        u32 pm_state[16];
+#endif
+
+#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;
+}
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
+                                      void *p, u32 len)
+{
+        if (!(priv->debug_level & level))
+                return;
+
+        print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
+                        p, len, 1);
+}
+#else
+static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
+                                      void *p, u32 len)
+{
+}
+#endif
+
+extern const struct iwl_channel_info *iwl_get_channel_info(
+        const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
+
+/* Requires full declaration of iwl_priv before including */
+
+#endif                          /* __iwl_dev_h__ */