drivers/net/wireless/libertas/dev.h

   1 /*
   2  * This file contains definitions and data structures specific
   3  * to Marvell 802.11 NIC. It contains the Device Information
   4  * structure struct lbs_private..
   5  */
   6 #ifndef _LBS_DEV_H_
   7 #define _LBS_DEV_H_
   8
   9 #include "defs.h"
  10 #include "decl.h"
  11 #include "host.h"
  12
  13 #include <linux/kfifo.h>
  14
  15 /* sleep_params */
  16 struct sleep_params {
  17         uint16_t sp_error;
  18         uint16_t sp_offset;
  19         uint16_t sp_stabletime;
  20         uint8_t  sp_calcontrol;
  21         uint8_t  sp_extsleepclk;
  22         uint16_t sp_reserved;
  23 };
  24
  25 /* Mesh statistics */
  26 struct lbs_mesh_stats {
  27         u32     fwd_bcast_cnt;          /* Fwd: Broadcast counter */
  28         u32     fwd_unicast_cnt;        /* Fwd: Unicast counter */
  29         u32     fwd_drop_ttl;           /* Fwd: TTL zero */
  30         u32     fwd_drop_rbt;           /* Fwd: Recently Broadcasted */
  31         u32     fwd_drop_noroute;       /* Fwd: No route to Destination */
  32         u32     fwd_drop_nobuf;         /* Fwd: Run out of internal buffers */
  33         u32     drop_blind;             /* Rx:  Dropped by blinding table */
  34         u32     tx_failed_cnt;          /* Tx:  Failed transmissions */
  35 };
  36
  37 /* Private structure for the MV device */
  38 struct lbs_private {
  39
  40         /* Basic networking */
  41         struct net_device *dev;
  42         u32 connect_status;
  43         struct work_struct mcast_work;
  44         u32 nr_of_multicastmacaddr;
  45         u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
  46
  47         /* CFG80211 */
  48         struct wireless_dev *wdev;
  49         bool wiphy_registered;
  50         struct cfg80211_scan_request *scan_req;
  51         u8 assoc_bss[ETH_ALEN];
  52         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
  53         u8 disassoc_reason;
  54
  55         /* Mesh */
  56         struct net_device *mesh_dev; /* Virtual device */
  57 #ifdef CONFIG_LIBERTAS_MESH
  58         struct lbs_mesh_stats mstats;
  59         uint16_t mesh_tlv;
  60         u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1];
  61         u8 mesh_ssid_len;
  62         u8 mesh_channel;
  63 #endif
  64
  65         /* Debugfs */
  66         struct dentry *debugfs_dir;
  67         struct dentry *debugfs_debug;
  68         struct dentry *debugfs_files[6];
  69         struct dentry *events_dir;
  70         struct dentry *debugfs_events_files[6];
  71         struct dentry *regs_dir;
  72         struct dentry *debugfs_regs_files[6];
  73
  74         /* Hardware debugging */
  75         u32 mac_offset;
  76         u32 bbp_offset;
  77         u32 rf_offset;
  78
  79         /* Power management */
  80         u16 psmode;
  81         u32 psstate;
  82         u8 needtowakeup;
  83
  84         /* Deep sleep */
  85         int is_deep_sleep;
  86         int deep_sleep_required;
  87         int is_auto_deep_sleep_enabled;
  88         int wakeup_dev_required;
  89         int is_activity_detected;
  90         int auto_deep_sleep_timeout; /* in ms */
  91         wait_queue_head_t ds_awake_q;
  92         struct timer_list auto_deepsleep_timer;
  93
  94         /* Host sleep*/
  95         int is_host_sleep_configured;
  96         int is_host_sleep_activated;
  97         wait_queue_head_t host_sleep_q;
  98
  99         /* Hardware access */
 100         void *card;
 101         bool iface_running;
 102         u8 fw_ready;
 103         u8 surpriseremoved;
 104         u8 setup_fw_on_resume;
 105         int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
 106         void (*reset_card) (struct lbs_private *priv);
 107         int (*power_save) (struct lbs_private *priv);
 108         int (*power_restore) (struct lbs_private *priv);
 109         int (*enter_deep_sleep) (struct lbs_private *priv);
 110         int (*exit_deep_sleep) (struct lbs_private *priv);
 111         int (*reset_deep_sleep_wakeup) (struct lbs_private *priv);
 112
 113         /* Adapter info (from EEPROM) */
 114         u32 fwrelease;
 115         u32 fwcapinfo;
 116         u16 regioncode;
 117         u8 current_addr[ETH_ALEN];
 118         u8 copied_hwaddr;
 119
 120         /* Command download */
 121         u8 dnld_sent;
 122         /* bit0 1/0=data_sent/data_tx_done,
 123            bit1 1/0=cmd_sent/cmd_tx_done,
 124            all other bits reserved 0 */
 125         u16 seqnum;
 126         struct cmd_ctrl_node *cmd_array;
 127         struct cmd_ctrl_node *cur_cmd;
 128         struct list_head cmdfreeq;    /* free command buffers */
 129         struct list_head cmdpendingq; /* pending command buffers */
 130         struct timer_list command_timer;
 131         int cmd_timed_out;
 132
 133         /* Command responses sent from the hardware to the driver */
 134         u8 resp_idx;
 135         u8 resp_buf[2][LBS_UPLD_SIZE];
 136         u32 resp_len[2];
 137
 138         /* Events sent from hardware to driver */
 139         struct kfifo event_fifo;
 140
 141         /* thread to service interrupts */
 142         struct task_struct *main_thread;
 143         wait_queue_head_t waitq;
 144         struct workqueue_struct *work_thread;
 145
 146         /* Encryption stuff */
 147         u8 authtype_auto;
 148         u8 wep_tx_key;
 149         u8 wep_key[4][WLAN_KEY_LEN_WEP104];
 150         u8 wep_key_len[4];
 151
 152         /* Wake On LAN */
 153         uint32_t wol_criteria;
 154         uint8_t wol_gpio;
 155         uint8_t wol_gap;
 156         bool ehs_remove_supported;
 157
 158         /* Transmitting */
 159         int tx_pending_len;             /* -1 while building packet */
 160         u8 tx_pending_buf[LBS_UPLD_SIZE];
 161         /* protected by hard_start_xmit serialization */
 162         u8 txretrycount;
 163         struct sk_buff *currenttxskb;
 164         struct timer_list tx_lockup_timer;
 165
 166         /* Locks */
 167         struct mutex lock;
 168         spinlock_t driver_lock;
 169
 170         /* NIC/link operation characteristics */
 171         u16 mac_control;
 172         u8 radio_on;
 173         u8 cur_rate;
 174         u8 channel;
 175         s16 txpower_cur;
 176         s16 txpower_min;
 177         s16 txpower_max;
 178
 179         /* Scanning */
 180         struct delayed_work scan_work;
 181         int scan_channel;
 182         /* Queue of things waiting for scan completion */
 183         wait_queue_head_t scan_q;
 184         /* Whether the scan was initiated internally and not by cfg80211 */
 185         bool internal_scan;
 186
 187         /* Firmware load */
 188         u32 fw_model;
 189         wait_queue_head_t fw_waitq;
 190         struct device *fw_device;
 191         const struct firmware *helper_fw;
 192         const struct lbs_fw_table *fw_table;
 193         const struct lbs_fw_table *fw_iter;
 194         lbs_fw_cb fw_callback;
 195 };
 196
 197 extern struct cmd_confirm_sleep confirm_sleep;
 198
 199 /* Check if there is an interface active. */
 200 static inline int lbs_iface_active(struct lbs_private *priv)
 201 {
 202         int r;
 203
 204         r = netif_running(priv->dev);
 205         if (priv->mesh_dev)
 206                 r |= netif_running(priv->mesh_dev);
 207
 208         return r;
 209 }
 210
 211 #endif