root/drivers/net/wireless/marvell/libertas/dev.h

INCLUDED FROM

DEFINITIONS

1. lbs_iface_active

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * This file contains definitions and data structures specific
   4  * to Marvell 802.11 NIC. It contains the Device Information
   5  * structure struct lbs_private..
   6  */
   7 #ifndef _LBS_DEV_H_
   8 #define _LBS_DEV_H_
   9 
  10 #include "defs.h"
  11 #include "decl.h"
  12 #include "host.h"
  13 
  14 #include <linux/kfifo.h>
  15 
  16 /* sleep_params */
  17 struct sleep_params {
  18         uint16_t sp_error;
  19         uint16_t sp_offset;
  20         uint16_t sp_stabletime;
  21         uint8_t  sp_calcontrol;
  22         uint8_t  sp_extsleepclk;
  23         uint16_t sp_reserved;
  24 };
  25 
  26 /* Mesh statistics */
  27 struct lbs_mesh_stats {
  28         u32     fwd_bcast_cnt;          /* Fwd: Broadcast counter */
  29         u32     fwd_unicast_cnt;        /* Fwd: Unicast counter */
  30         u32     fwd_drop_ttl;           /* Fwd: TTL zero */
  31         u32     fwd_drop_rbt;           /* Fwd: Recently Broadcasted */
  32         u32     fwd_drop_noroute;       /* Fwd: No route to Destination */
  33         u32     fwd_drop_nobuf;         /* Fwd: Run out of internal buffers */
  34         u32     drop_blind;             /* Rx:  Dropped by blinding table */
  35         u32     tx_failed_cnt;          /* Tx:  Failed transmissions */
  36 };
  37 
  38 /* Private structure for the MV device */
  39 struct lbs_private {
  40 
  41         /* Basic networking */
  42         struct net_device *dev;
  43         u32 connect_status;
  44         struct work_struct mcast_work;
  45         u32 nr_of_multicastmacaddr;
  46         u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
  47 
  48         /* CFG80211 */
  49         struct wireless_dev *wdev;
  50         bool wiphy_registered;
  51         struct cfg80211_scan_request *scan_req;
  52         u8 assoc_bss[ETH_ALEN];
  53         u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
  54         u8 disassoc_reason;
  55 
  56         /* Mesh */
  57         struct net_device *mesh_dev; /* Virtual device */
  58 #ifdef CONFIG_LIBERTAS_MESH
  59         struct lbs_mesh_stats mstats;
  60         uint16_t mesh_tlv;
  61         u8 mesh_channel;
  62 #endif
  63 
  64         /* Debugfs */
  65         struct dentry *debugfs_dir;
  66         struct dentry *debugfs_debug;
  67         struct dentry *debugfs_files[6];
  68         struct dentry *events_dir;
  69         struct dentry *debugfs_events_files[6];
  70         struct dentry *regs_dir;
  71         struct dentry *debugfs_regs_files[6];
  72 
  73         /* Hardware debugging */
  74         u32 mac_offset;
  75         u32 bbp_offset;
  76         u32 rf_offset;
  77 
  78         /* Power management */
  79         u16 psmode;
  80         u32 psstate;
  81         u8 needtowakeup;
  82 
  83         /* Deep sleep */
  84         int is_deep_sleep;
  85         int deep_sleep_required;
  86         int is_auto_deep_sleep_enabled;
  87         int wakeup_dev_required;
  88         int is_activity_detected;
  89         int auto_deep_sleep_timeout; /* in ms */
  90         wait_queue_head_t ds_awake_q;
  91         struct timer_list auto_deepsleep_timer;
  92 
  93         /* Host sleep*/
  94         int is_host_sleep_configured;
  95         int is_host_sleep_activated;
  96         wait_queue_head_t host_sleep_q;
  97 
  98         /* Hardware access */
  99         void *card;
 100         bool iface_running;
 101         u8 is_polling; /* host has to poll the card irq */
 102         u8 fw_ready;
 103         u8 surpriseremoved;
 104         u8 setup_fw_on_resume;
 105         u8 power_up_on_resume;
 106         int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
 107         void (*reset_card) (struct lbs_private *priv);
 108         int (*power_save) (struct lbs_private *priv);
 109         int (*power_restore) (struct lbs_private *priv);
 110         int (*enter_deep_sleep) (struct lbs_private *priv);
 111         int (*exit_deep_sleep) (struct lbs_private *priv);
 112         int (*reset_deep_sleep_wakeup) (struct lbs_private *priv);
 113 
 114         /* Adapter info (from EEPROM) */
 115         u32 fwrelease;
 116         u32 fwcapinfo;
 117         u16 regioncode;
 118         u8 current_addr[ETH_ALEN];
 119         u8 copied_hwaddr;
 120 
 121         /* Command download */
 122         u8 dnld_sent;
 123         /* bit0 1/0=data_sent/data_tx_done,
 124            bit1 1/0=cmd_sent/cmd_tx_done,
 125            all other bits reserved 0 */
 126         u16 seqnum;
 127         struct cmd_ctrl_node *cmd_array;
 128         struct cmd_ctrl_node *cur_cmd;
 129         struct list_head cmdfreeq;    /* free command buffers */
 130         struct list_head cmdpendingq; /* pending command buffers */
 131         struct timer_list command_timer;
 132         int cmd_timed_out;
 133 
 134         /* Command responses sent from the hardware to the driver */
 135         u8 resp_idx;
 136         u8 resp_buf[2][LBS_UPLD_SIZE];
 137         u32 resp_len[2];
 138 
 139         /* Events sent from hardware to driver */
 140         struct kfifo event_fifo;
 141 
 142         /* thread to service interrupts */
 143         struct task_struct *main_thread;
 144         wait_queue_head_t waitq;
 145         struct workqueue_struct *work_thread;
 146 
 147         /* Encryption stuff */
 148         u8 authtype_auto;
 149         u8 wep_tx_key;
 150         u8 wep_key[4][WLAN_KEY_LEN_WEP104];
 151         u8 wep_key_len[4];
 152 
 153         /* Wake On LAN */
 154         uint32_t wol_criteria;
 155         uint8_t wol_gpio;
 156         uint8_t wol_gap;
 157         bool ehs_remove_supported;
 158 
 159         /* Transmitting */
 160         int tx_pending_len;             /* -1 while building packet */
 161         u8 tx_pending_buf[LBS_UPLD_SIZE];
 162         /* protected by hard_start_xmit serialization */
 163         u8 txretrycount;
 164         struct sk_buff *currenttxskb;
 165         struct timer_list tx_lockup_timer;
 166 
 167         /* Locks */
 168         struct mutex lock;
 169         spinlock_t driver_lock;
 170 
 171         /* NIC/link operation characteristics */
 172         u16 mac_control;
 173         u8 radio_on;
 174         u8 cur_rate;
 175         u8 channel;
 176         s16 txpower_cur;
 177         s16 txpower_min;
 178         s16 txpower_max;
 179 
 180         /* Scanning */
 181         struct delayed_work scan_work;
 182         int scan_channel;
 183         /* Queue of things waiting for scan completion */
 184         wait_queue_head_t scan_q;
 185         /* Whether the scan was initiated internally and not by cfg80211 */
 186         bool internal_scan;
 187 
 188         /* Firmware load */
 189         u32 fw_model;
 190         wait_queue_head_t fw_waitq;
 191         struct device *fw_device;
 192         const struct firmware *helper_fw;
 193         const struct lbs_fw_table *fw_table;
 194         const struct lbs_fw_table *fw_iter;
 195         lbs_fw_cb fw_callback;
 196 };
 197 
 198 extern struct cmd_confirm_sleep confirm_sleep;
 199 
 200 /* Check if there is an interface active. */
 201 static inline int lbs_iface_active(struct lbs_private *priv)
 202 {
 203         int r;
 204 
 205         r = netif_running(priv->dev);
 206         if (priv->mesh_dev)
 207                 r |= netif_running(priv->mesh_dev);
 208 
 209         return r;
 210 }
 211 
 212 #endif