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

   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_ssid[IEEE80211_MAX_SSID_LEN + 1];
  62         u8 mesh_ssid_len;
  63         u8 mesh_channel;
  64 #endif
  65
  66         /* Debugfs */
  67         struct dentry *debugfs_dir;
  68         struct dentry *debugfs_debug;
  69         struct dentry *debugfs_files[6];
  70         struct dentry *events_dir;
  71         struct dentry *debugfs_events_files[6];
  72         struct dentry *regs_dir;
  73         struct dentry *debugfs_regs_files[6];
  74
  75         /* Hardware debugging */
  76         u32 mac_offset;
  77         u32 bbp_offset;
  78         u32 rf_offset;
  79
  80         /* Power management */
  81         u16 psmode;
  82         u32 psstate;
  83         u8 needtowakeup;
  84
  85         /* Deep sleep */
  86         int is_deep_sleep;
  87         int deep_sleep_required;
  88         int is_auto_deep_sleep_enabled;
  89         int wakeup_dev_required;
  90         int is_activity_detected;
  91         int auto_deep_sleep_timeout; /* in ms */
  92         wait_queue_head_t ds_awake_q;
  93         struct timer_list auto_deepsleep_timer;
  94
  95         /* Host sleep*/
  96         int is_host_sleep_configured;
  97         int is_host_sleep_activated;
  98         wait_queue_head_t host_sleep_q;
  99
 100         /* Hardware access */
 101         void *card;
 102         bool iface_running;
 103         u8 is_polling; /* host has to poll the card irq */
 104         u8 fw_ready;
 105         u8 surpriseremoved;
 106         u8 setup_fw_on_resume;
 107         int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
 108         void (*reset_card) (struct lbs_private *priv);
 109         int (*power_save) (struct lbs_private *priv);
 110         int (*power_restore) (struct lbs_private *priv);
 111         int (*enter_deep_sleep) (struct lbs_private *priv);
 112         int (*exit_deep_sleep) (struct lbs_private *priv);
 113         int (*reset_deep_sleep_wakeup) (struct lbs_private *priv);
 114
 115         /* Adapter info (from EEPROM) */
 116         u32 fwrelease;
 117         u32 fwcapinfo;
 118         u16 regioncode;
 119         u8 current_addr[ETH_ALEN];
 120         u8 copied_hwaddr;
 121
 122         /* Command download */
 123         u8 dnld_sent;
 124         /* bit0 1/0=data_sent/data_tx_done,
 125            bit1 1/0=cmd_sent/cmd_tx_done,
 126            all other bits reserved 0 */
 127         u16 seqnum;
 128         struct cmd_ctrl_node *cmd_array;
 129         struct cmd_ctrl_node *cur_cmd;
 130         struct list_head cmdfreeq;    /* free command buffers */
 131         struct list_head cmdpendingq; /* pending command buffers */
 132         struct timer_list command_timer;
 133         int cmd_timed_out;
 134
 135         /* Command responses sent from the hardware to the driver */
 136         u8 resp_idx;
 137         u8 resp_buf[2][LBS_UPLD_SIZE];
 138         u32 resp_len[2];
 139
 140         /* Events sent from hardware to driver */
 141         struct kfifo event_fifo;
 142
 143         /* thread to service interrupts */
 144         struct task_struct *main_thread;
 145         wait_queue_head_t waitq;
 146         struct workqueue_struct *work_thread;
 147
 148         /* Encryption stuff */
 149         u8 authtype_auto;
 150         u8 wep_tx_key;
 151         u8 wep_key[4][WLAN_KEY_LEN_WEP104];
 152         u8 wep_key_len[4];
 153
 154         /* Wake On LAN */
 155         uint32_t wol_criteria;
 156         uint8_t wol_gpio;
 157         uint8_t wol_gap;
 158         bool ehs_remove_supported;
 159
 160         /* Transmitting */
 161         int tx_pending_len;             /* -1 while building packet */
 162         u8 tx_pending_buf[LBS_UPLD_SIZE];
 163         /* protected by hard_start_xmit serialization */
 164         u8 txretrycount;
 165         struct sk_buff *currenttxskb;
 166         struct timer_list tx_lockup_timer;
 167
 168         /* Locks */
 169         struct mutex lock;
 170         spinlock_t driver_lock;
 171
 172         /* NIC/link operation characteristics */
 173         u16 mac_control;
 174         u8 radio_on;
 175         u8 cur_rate;
 176         u8 channel;
 177         s16 txpower_cur;
 178         s16 txpower_min;
 179         s16 txpower_max;
 180
 181         /* Scanning */
 182         struct delayed_work scan_work;
 183         int scan_channel;
 184         /* Queue of things waiting for scan completion */
 185         wait_queue_head_t scan_q;
 186         /* Whether the scan was initiated internally and not by cfg80211 */
 187         bool internal_scan;
 188
 189         /* Firmware load */
 190         u32 fw_model;
 191         wait_queue_head_t fw_waitq;
 192         struct device *fw_device;
 193         const struct firmware *helper_fw;
 194         const struct lbs_fw_table *fw_table;
 195         const struct lbs_fw_table *fw_iter;
 196         lbs_fw_cb fw_callback;
 197 };
 198
 199 extern struct cmd_confirm_sleep confirm_sleep;
 200
 201 /* Check if there is an interface active. */
 202 static inline int lbs_iface_active(struct lbs_private *priv)
 203 {
 204         int r;
 205
 206         r = netif_running(priv->dev);
 207         if (priv->mesh_dev)
 208                 r |= netif_running(priv->mesh_dev);
 209
 210         return r;
 211 }
 212
 213 #endif