linux/drivers/net/wireless/marvell/libertas/dev.h
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   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 */
  17struct 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 */
  27struct 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 */
  39struct 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
 198extern struct cmd_confirm_sleep confirm_sleep;
 199
 200/* Check if there is an interface active. */
 201static 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
 213