1 files changed, 160 insertions, 129 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 6054c5fba0c1..f3f3473c5c7e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -43,6 +43,7 @@
 #include "iwl-debug.h"
 #include "iwl-4965-hw.h"
 #include "iwl-3945-hw.h"
+#include "iwl-agn-hw.h"
 #include "iwl-led.h"
 #include "iwl-power.h"
 #include "iwl-agn-rs.h"
@@ -56,6 +57,7 @@ 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 iwl5150_abg_cfg;
+extern struct iwl_cfg iwl6000g2a_2agn_cfg;
 extern struct iwl_cfg iwl6000i_2agn_cfg;
 extern struct iwl_cfg iwl6000i_2abg_cfg;
 extern struct iwl_cfg iwl6000i_2bg_cfg;
@@ -67,45 +69,6 @@ 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_ucode_ops iwl5000_ucode;
-extern struct iwl_lib_ops iwl5000_lib;
-extern struct iwl_hcmd_ops iwl5000_hcmd;
-extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils;
-
-/* shared functions from iwl-5000.c */
-extern u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len);
-extern u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd,
-                                     u8 *data);
-extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
-                                    __le32 *tx_flags);
-extern int iwl5000_calc_rssi(struct iwl_priv *priv,
-                             struct iwl_rx_phy_res *rx_resp);
-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,
-                                    size_t offset);
-extern void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
-                                            struct iwl_tx_queue *txq,
-                                            u16 byte_cnt);
-extern void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
-                                    struct iwl_tx_queue *txq);
-extern int iwl5000_load_ucode(struct iwl_priv *priv);
-extern void iwl5000_init_alive_start(struct iwl_priv *priv);
-extern int iwl5000_alive_notify(struct iwl_priv *priv);
-extern int iwl5000_hw_set_hw_params(struct iwl_priv *priv);
-extern int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id,
-                           int tx_fifo, int sta_id, int tid, u16 ssn_idx);
-extern int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
-                            u16 ssn_idx, u8 tx_fifo);
-extern void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask);
-extern void iwl5000_setup_deferred_work(struct iwl_priv *priv);
-extern void iwl5000_rx_handler_setup(struct iwl_priv *priv);
-extern int iwl5000_hw_valid_rtc_data_addr(u32 addr);
-extern int iwl5000_send_tx_power(struct iwl_priv *priv);
-extern void iwl5000_temperature(struct iwl_priv *priv);
-
 /* CT-KILL constants */
 #define CT_KILL_THRESHOLD_LEGACY   110 /* in Celsius */
 #define CT_KILL_THRESHOLD          114 /* in Celsius */
@@ -183,6 +146,10 @@ 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 */
+        int last_read_ptr;      /* storing the last read_ptr */
+        /* number of time read_ptr and last_read_ptr are the same */
+        u8 repeat_same_read_ptr;
         dma_addr_t dma_addr;   /* physical addr for BD's */
         int n_window;          /* safe queue window */
         u32 id;
@@ -304,13 +271,11 @@ struct iwl_channel_info {
         struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_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
+#define IWL_TX_FIFO_BK          0
+#define IWL_TX_FIFO_BE          1
+#define IWL_TX_FIFO_VI          2
+#define IWL_TX_FIFO_VO          3
+#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
@@ -361,13 +326,6 @@ enum {
 
 #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
  *
@@ -519,38 +477,28 @@ struct iwl_ht_config {
         u8 non_GF_STA_present;
 };
 
-union iwl_qos_capabity {
-        struct {
-                u8 edca_count:4;        /* bit 0-3 */
-                u8 q_ack:1;             /* bit 4 */
-                u8 queue_request:1;     /* bit 5 */
-                u8 txop_request:1;      /* bit 6 */
-                u8 reserved:1;          /* bit 7 */
-        } q_AP;
-        struct {
-                u8 acvo_APSD:1;         /* bit 0 */
-                u8 acvi_APSD:1;         /* bit 1 */
-                u8 ac_bk_APSD:1;        /* bit 2 */
-                u8 ac_be_APSD:1;        /* bit 3 */
-                u8 q_ack:1;             /* bit 4 */
-                u8 max_len:2;           /* bit 5-6 */
-                u8 more_data_ack:1;     /* bit 7 */
-        } q_STA;
-        u8 val;
-};
-
 /* QoS structures */
 struct iwl_qos_info {
         int qos_active;
-        union iwl_qos_capabity qos_cap;
         struct iwl_qosparam_cmd def_qos_parm;
 };
 
+/*
+ * 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;
         struct iwl_hw_key keyinfo;
+        struct iwl_link_quality_cmd *lq;
+};
+
+struct iwl_station_priv_common {
+        u8 sta_id;
 };
 
 /*
@@ -559,14 +507,28 @@ struct iwl_station_entry {
  * 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;
 };
 
+/**
+ * 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 {
+        u8 ibss_bssid_sta_id;
+};
+
 /* one for each uCode image (inst/data, boot/init/runtime) */
 struct fw_desc {
         void *v_addr;           /* access by driver */
@@ -574,7 +536,7 @@ struct fw_desc {
         u32 len;                /* bytes */
 };
 
-/* uCode file layout */
+/* v1/v2 uCode file layout */
 struct iwl_ucode_header {
         __le32 ver;     /* major/minor/API/serial */
         union {
@@ -597,7 +559,62 @@ struct iwl_ucode_header {
                 } v2;
         } u;
 };
-#define UCODE_HEADER_SIZE(ver) ((ver) == 1 ? 24 : 28)
+
+/*
+ * 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 */
+};
+
+struct iwl_ucode_tlv {
+        __le16 type;            /* see above */
+        __le16 alternative;     /* see comment */
+        __le32 length;          /* not including type/length fields */
+        u8 data[0];
+} __attribute__ ((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];
@@ -1039,6 +1056,11 @@ struct iwl_event_log {
 #define IWL_DELAY_NEXT_FORCE_RF_RESET  (HZ*3)
 #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
 
+/* timer constants use to monitor and recover stuck tx queues in mSecs */
+#define IWL_MONITORING_PERIOD  (1000)
+#define IWL_ONE_HUNDRED_MSECS   (100)
+#define IWL_SIXTY_SECS          (60000)
+
 enum iwl_reset {
         IWL_RF_RESET = 0,
         IWL_FW_RESET,
@@ -1092,10 +1114,6 @@ struct iwl_priv {
         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. 3945 only.*/
-        const struct iwl3945_clip_group clip39_groups[5];
-
         /* thermal calibration */
         s32 temperature;        /* degrees Kelvin */
         s32 last_temperature;
@@ -1104,12 +1122,10 @@ struct iwl_priv {
         struct iwl_calib_result calib_results[IWL_CALIB_MAX];
 
         /* Scan related variables */
-        unsigned long next_scan_jiffies;
         unsigned long scan_start;
-        unsigned long scan_pass_start;
         unsigned long scan_start_tsf;
-        void *scan;
-        int scan_bands;
+        void *scan_cmd;
+        enum ieee80211_band scan_band;
         struct cfg80211_scan_request *scan_request;
         bool is_internal_short_scan;
         u8 scan_tx_ant[IEEE80211_NUM_BANDS];
@@ -1168,16 +1184,13 @@ struct iwl_priv {
         u64 led_tpt;
 
         u16 active_rate;
-        u16 active_rate_basic;
 
-        u8 assoc_station_added;
         u8 start_calib;
         struct iwl_sensitivity_data sensitivity_data;
         struct iwl_chain_noise_data chain_noise_data;
         __le16 sensitivity_tbl[HD_TABLE_SIZE];
 
         struct iwl_ht_config current_ht_config;
-        u8 last_phy_res[100];
 
         /* Rate scaling data */
         u8 retry_rate;
@@ -1197,9 +1210,6 @@ struct iwl_priv {
 
         unsigned long status;
 
-        int last_rx_rssi;       /* From Rx packet statistics */
-        int last_rx_noise;      /* From beacon statistics */
-
         /* counts mgmt, ctl, and data packets */
         struct traffic_stats tx_stats;
         struct traffic_stats rx_stats;
@@ -1218,18 +1228,14 @@ struct iwl_priv {
 #endif
 
         /* context information */
-        u16 rates_mask;
-
-        u8 bssid[ETH_ALEN];
-        u16 rts_threshold;
+        u8 bssid[ETH_ALEN]; /* used only on 3945 but filled by core */
         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;
+        struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; /* protected by mutex */
         u8 key_mapping_key;
         unsigned long ucode_key_table;
 
@@ -1244,10 +1250,6 @@ struct iwl_priv {
 
         u8 mac80211_registered;
 
-        /* Rx'd packet timing information */
-        u32 last_beacon_time;
-        u64 last_tsf;
-
         /* eeprom -- this is in the card's little endian byte order */
         u8 *eeprom;
         int    nvm_device_type;
@@ -1259,29 +1261,67 @@ struct iwl_priv {
 
         /* Last Rx'd beacon timestamp */
         u64 timestamp;
-        u16 beacon_int;
         struct ieee80211_vif *vif;
 
-        /*Added for 3945 */
-        void *shared_virt;
-        dma_addr_t shared_phys;
-        /*End*/
-        struct iwl_hw_params hw_params;
+        union {
+#if defined(CONFIG_IWL3945) || defined(CONFIG_IWL3945_MODULE)
+                struct {
+                        void *shared_virt;
+                        dma_addr_t shared_phys;
 
-        /* INT ICT Table */
-        __le32 *ict_tbl;
-        dma_addr_t ict_tbl_dma;
-        dma_addr_t aligned_ict_tbl_dma;
-        int ict_index;
-        void *ict_tbl_vir;
-        u32 inta;
-        bool use_ict;
+                        struct delayed_work thermal_periodic;
+                        struct delayed_work rfkill_poll;
+
+                        struct iwl3945_notif_statistics statistics;
+#ifdef CONFIG_IWLWIFI_DEBUG
+                        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;
+                } _agn;
+#endif
+        };
+
+        struct iwl_hw_params hw_params;
 
         u32 inta_mask;
-        /* Current association information needed to configure the
-         * hardware */
-        u16 assoc_id;
-        u16 assoc_capability;
 
         struct iwl_qos_info qos_data;
 
@@ -1291,11 +1331,11 @@ struct iwl_priv {
         struct work_struct scan_completed;
         struct work_struct rx_replenish;
         struct work_struct abort_scan;
-        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 work_struct start_internal_scan;
 
         struct tasklet_struct irq_tasklet;
 
@@ -1303,10 +1343,6 @@ struct iwl_priv {
         struct delayed_work alive_start;
         struct delayed_work scan_check;
 
-        /*For 3945 only*/
-        struct delayed_work thermal_periodic;
-        struct delayed_work rfkill_poll;
-
         /* TX Power */
         s8 tx_power_user_lmt;
         s8 tx_power_device_lmt;
@@ -1338,13 +1374,8 @@ struct iwl_priv {
         struct work_struct run_time_calib_work;
         struct timer_list statistics_periodic;
         struct timer_list ucode_trace;
+        struct timer_list monitor_recover;
         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 */