[IWLWIFI]: add iwlwifi wireless drivers

This patch adds the mac80211 based wireless drivers for the Intel
PRO/Wireless 3945ABG/BG Network Connection and Intel Wireless WiFi
Link AGN (4965) adapters.

[ Move driver into it's own directory -DaveM ]

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 308 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-priv.h b/drivers/net/wireless/iwlwifi/iwl-priv.h
new file mode 100644
index 000000000000..6b490d08fea9
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-priv.h
@@ -0,0 +1,308 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2003 - 2007 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
+ *
+ *****************************************************************************/
+
+#ifndef __iwl_priv_h__
+#define __iwl_priv_h__
+
+#include <linux/workqueue.h>
+
+#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT
+
+enum {
+        MEASUREMENT_READY = (1 << 0),
+        MEASUREMENT_ACTIVE = (1 << 1),
+};
+
+#endif
+
+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;
+
+        /* temporary frame storage list */
+        struct list_head free_frames;
+        int frames_count;
+
+        u8 phymode;
+        int alloc_rxb_skb;
+
+        void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
+                                       struct iwl_rx_mem_buffer *rxb);
+
+        const struct ieee80211_hw_mode *modes;
+
+#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT
+        /* spectrum measurement report caching */
+        struct iwl_spectrum_notification measure_report;
+        u8 measurement_status;
+#endif
+        /* ucode beacon time */
+        u32 ucode_beacon_time;
+
+        /* 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 */
+
+        /* each calibration channel group in the EEPROM has a derived
+         * clip setting for each rate. */
+        const struct iwl_clip_group clip_groups[5];
+
+        /* thermal calibration */
+        s32 temperature;        /* degrees Kelvin */
+        s32 last_temperature;
+
+        /* Scan related variables */
+        unsigned long last_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;
+        u8 only_active_channel;
+
+        /* 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;
+
+        /* uCode images, save to reload in case of failure */
+        struct fw_image_desc ucode_code;        /* runtime inst */
+        struct fw_image_desc ucode_data;        /* runtime data original */
+        struct fw_image_desc ucode_data_backup; /* runtime data save/restore */
+        struct fw_image_desc ucode_init;        /* initialization inst */
+        struct fw_image_desc ucode_init_data;   /* initialization data */
+        struct fw_image_desc ucode_boot;        /* bootstrap inst */
+
+
+        struct iwl_rxon_time_cmd rxon_timing;
+
+        /* We declare this const so it can only be
+         * changed via explicit cast within the
+         * routines that actually update the physical
+         * hardware */
+        const struct iwl_rxon_cmd active_rxon;
+        struct iwl_rxon_cmd staging_rxon;
+
+        int error_recovering;
+        struct iwl_rxon_cmd recovery_rxon;
+
+        /* 1st responses from initialize and runtime uCode images.
+         * 4965's initialize alive response contains some calibration data. */
+        struct iwl_init_alive_resp card_alive_init;
+        struct iwl_alive_resp card_alive;
+
+#ifdef LED
+        /* LED related variables */
+        struct iwl_activity_blink activity;
+        unsigned long led_packets;
+        int led_state;
+#endif
+
+        u16 active_rate;
+        u16 active_rate_basic;
+
+        u8 call_post_assoc_from_beacon;
+        u8 assoc_station_added;
+#if IWL == 4965
+        u8 use_ant_b_for_management_frame;      /* Tx antenna selection */
+        /* HT variables */
+        u8 is_dup;
+        u8 is_ht_enabled;
+        u8 channel_width;       /* 0=20MHZ, 1=40MHZ */
+        u8 current_channel_width;
+        u8 valid_antenna;       /* Bit mask of antennas actually connected */
+#ifdef CONFIG_IWLWIFI_SENSITIVITY
+        struct iwl_sensitivity_data sensitivity_data;
+        struct iwl_chain_noise_data chain_noise_data;
+        u8 start_calib;
+        __le16 sensitivity_tbl[HD_TABLE_SIZE];
+#endif /*CONFIG_IWLWIFI_SENSITIVITY*/
+
+#ifdef CONFIG_IWLWIFI_HT
+        struct sta_ht_info current_assoc_ht;
+#endif
+        u8 active_rate_ht[2];
+        u8 last_phy_res[100];
+
+        /* Rate scaling data */
+        struct iwl_lq_mngr lq_mngr;
+#endif
+
+        /* 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];
+#if IWL == 4965
+        unsigned long txq_ctx_active_msk;
+        struct iwl_kw kw;       /* keep warm address */
+        u32 scd_base_addr;      /* scheduler sram base address */
+#endif
+
+        unsigned long status;
+        u32 config;
+
+        int last_rx_rssi;       /* From Rx packet statisitics */
+        int last_rx_noise;      /* From beacon statistics */
+
+        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];
+
+        /* Indication if ieee80211_ops->open has been called */
+        int is_open;
+
+        u8 mac80211_registered;
+        int is_abg;
+
+        u32 notif_missed_beacons;
+
+        /* Rx'd packet timing information */
+        u32 last_beacon_time;
+        u64 last_tsf;
+
+        /* Duplicate packet detection */
+        u16 last_seq_num;
+        u16 last_frag_num;
+        unsigned long last_packet_time;
+        struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
+
+        /* eeprom */
+        struct iwl_eeprom eeprom;
+
+        int iw_mode;
+
+        struct sk_buff *ibss_beacon;
+
+        /* Last Rx'd beacon timestamp */
+        u32 timestamp0;
+        u32 timestamp1;
+        u16 beacon_int;
+        struct iwl_driver_hw_info hw_setting;
+        int interface_id;
+
+        /* Current association information needed to configure the
+         * hardware */
+        u16 assoc_id;
+        u16 assoc_capability;
+        u8 ps_mode;
+
+#ifdef CONFIG_IWLWIFI_QOS
+        struct iwl_qos_info qos_data;
+#endif /*CONFIG_IWLWIFI_QOS */
+
+        struct workqueue_struct *workqueue;
+
+        struct work_struct up;
+        struct work_struct restart;
+        struct work_struct calibrated_work;
+        struct work_struct scan_completed;
+        struct work_struct rx_replenish;
+        struct work_struct rf_kill;
+        struct work_struct abort_scan;
+        struct work_struct update_link_led;
+        struct work_struct auth_work;
+        struct work_struct report_work;
+        struct work_struct request_scan;
+        struct work_struct beacon_update;
+
+        struct tasklet_struct irq_tasklet;
+
+        struct delayed_work init_alive_start;
+        struct delayed_work alive_start;
+        struct delayed_work activity_timer;
+        struct delayed_work thermal_periodic;
+        struct delayed_work gather_stats;
+        struct delayed_work scan_check;
+        struct delayed_work post_associate;
+
+#define IWL_DEFAULT_TX_POWER 0x0F
+        s8 user_txpower_limit;
+        s8 max_channel_txpower_limit;
+        u32 cck_power_index_compensation;
+
+#ifdef CONFIG_PM
+        u32 pm_state[16];
+#endif
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+        /* debugging info */
+        u32 framecnt_to_us;
+        atomic_t restrict_refcnt;
+#endif
+
+#if IWL == 4965
+        struct work_struct txpower_work;
+#ifdef CONFIG_IWLWIFI_SENSITIVITY
+        struct work_struct sensitivity_work;
+#endif
+        struct work_struct statistics_work;
+        struct timer_list statistics_periodic;
+
+#ifdef CONFIG_IWLWIFI_HT_AGG
+        struct work_struct agg_work;
+#endif
+
+#endif /* 4965 */
+};                              /*iwl_priv */
+
+#endif /* __iwl_priv_h__ */