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 disassoc_reason;
  53
  54         /* Mesh */
  55         struct net_device *mesh_dev; /* Virtual device */
  56 #ifdef CONFIG_LIBERTAS_MESH
  57         struct lbs_mesh_stats mstats;
  58         uint16_t mesh_tlv;
  59         u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1];
  60         u8 mesh_ssid_len;
  61 #endif
  62
  63         /* Debugfs */
  64         struct dentry *debugfs_dir;
  65         struct dentry *debugfs_debug;
  66         struct dentry *debugfs_files[6];
  67         struct dentry *events_dir;
  68         struct dentry *debugfs_events_files[6];
  69         struct dentry *regs_dir;
  70         struct dentry *debugfs_regs_files[6];
  71
  72         /* Hardware debugging */
  73         u32 mac_offset;
  74         u32 bbp_offset;
  75         u32 rf_offset;
  76
  77         /* Power management */
  78         u16 psmode;
  79         u32 psstate;
  80         u8 needtowakeup;
  81
  82         /* Deep sleep */
  83         int is_deep_sleep;
  84         int deep_sleep_required;
  85         int is_auto_deep_sleep_enabled;
  86         int wakeup_dev_required;
  87         int is_activity_detected;
  88         int auto_deep_sleep_timeout; /* in ms */
  89         wait_queue_head_t ds_awake_q;
  90         struct timer_list auto_deepsleep_timer;
  91
  92         /* Host sleep*/
  93         int is_host_sleep_configured;
  94         int is_host_sleep_activated;
  95         wait_queue_head_t host_sleep_q;
  96
  97         /* Hardware access */
  98         void *card;
  99         bool iface_running;
 100         u8 fw_ready;
 101         u8 surpriseremoved;
 102         u8 setup_fw_on_resume;
 103         int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
 104         void (*reset_card) (struct lbs_private *priv);
 105         int (*power_save) (struct lbs_private *priv);
 106         int (*power_restore) (struct lbs_private *priv);
 107         int (*enter_deep_sleep) (struct lbs_private *priv);
 108         int (*exit_deep_sleep) (struct lbs_private *priv);
 109         int (*reset_deep_sleep_wakeup) (struct lbs_private *priv);
 110
 111         /* Adapter info (from EEPROM) */
 112         u32 fwrelease;
 113         u32 fwcapinfo;
 114         u16 regioncode;
 115         u8 current_addr[ETH_ALEN];
 116         u8 copied_hwaddr;
 117
 118         /* Command download */
 119         u8 dnld_sent;
 120         /* bit0 1/0=data_sent/data_tx_done,
 121            bit1 1/0=cmd_sent/cmd_tx_done,
 122            all other bits reserved 0 */
 123         u16 seqnum;
 124         struct cmd_ctrl_node *cmd_array;
 125         struct cmd_ctrl_node *cur_cmd;
 126         struct list_head cmdfreeq;    /* free command buffers */
 127         struct list_head cmdpendingq; /* pending command buffers */
 128         struct timer_list command_timer;
 129         int cmd_timed_out;
 130
 131         /* Command responses sent from the hardware to the driver */
 132         u8 resp_idx;
 133         u8 resp_buf[2][LBS_UPLD_SIZE];
 134         u32 resp_len[2];
 135
 136         /* Events sent from hardware to driver */
 137         struct kfifo event_fifo;
 138
 139         /* thread to service interrupts */
 140         struct task_struct *main_thread;
 141         wait_queue_head_t waitq;
 142         struct workqueue_struct *work_thread;
 143
 144         /* Encryption stuff */
 145         u8 authtype_auto;
 146         u8 wep_tx_key;
 147         u8 wep_key[4][WLAN_KEY_LEN_WEP104];
 148         u8 wep_key_len[4];
 149
 150         /* Wake On LAN */
 151         uint32_t wol_criteria;
 152         uint8_t wol_gpio;
 153         uint8_t wol_gap;
 154         bool ehs_remove_supported;
 155
 156         /* Transmitting */
 157         int tx_pending_len;             /* -1 while building packet */
 158         u8 tx_pending_buf[LBS_UPLD_SIZE];
 159         /* protected by hard_start_xmit serialization */
 160         u8 txretrycount;
 161         struct sk_buff *currenttxskb;
 162         struct timer_list tx_lockup_timer;
 163
 164         /* Locks */
 165         struct mutex lock;
 166         spinlock_t driver_lock;
 167
 168         /* NIC/link operation characteristics */
 169         u16 mac_control;
 170         u8 radio_on;
 171         u8 cur_rate;
 172         u8 channel;
 173         s16 txpower_cur;
 174         s16 txpower_min;
 175         s16 txpower_max;
 176
 177         /* Scanning */
 178         struct delayed_work scan_work;
 179         int scan_channel;
 180         /* Queue of things waiting for scan completion */
 181         wait_queue_head_t scan_q;
 182         /* Whether the scan was initiated internally and not by cfg80211 */
 183         bool internal_scan;
 184
 185         /* Firmware load */
 186         u32 fw_model;
 187         wait_queue_head_t fw_waitq;
 188         struct device *fw_device;
 189         const struct firmware *helper_fw;
 190         const struct lbs_fw_table *fw_table;
 191         const struct lbs_fw_table *fw_iter;
 192         lbs_fw_cb fw_callback;
 193 };
 194
 195 extern struct cmd_confirm_sleep confirm_sleep;
 196
 197 /* Check if there is an interface active. */
 198 static inline int lbs_iface_active(struct lbs_private *priv)
 199 {
 200         int r;
 201
 202         r = netif_running(priv->dev);
 203         if (priv->mesh_dev)
 204                 r |= netif_running(priv->mesh_dev);
 205
 206         return r;
 207 }
 208
 209 #endif