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