drivers/staging/rtl8712/rtl871x_mlme.h

   1 #ifndef __RTL871X_MLME_H_
   2 #define __RTL871X_MLME_H_
   3
   4 #include "osdep_service.h"
   5 #include "drv_types.h"
   6 #include "wlan_bssdef.h"
   7
   8 #define MAX_BSS_CNT     64
   9 #define   MAX_JOIN_TIMEOUT      6000
  10
  11 #define         SCANNING_TIMEOUT        4500
  12
  13 #define SCANQUEUE_LIFETIME 20 /* unit:sec */
  14
  15 #define         WIFI_NULL_STATE 0x00000000
  16 #define WIFI_ASOC_STATE         0x00000001      /* Under Linked state...*/
  17 #define         WIFI_REASOC_STATE 0x00000002
  18 #define WIFI_SLEEP_STATE        0x00000004
  19 #define WIFI_STATION_STATE      0x00000008
  20 #define WIFI_AP_STATE           0x00000010
  21 #define WIFI_ADHOC_STATE        0x00000020
  22 #define   WIFI_ADHOC_MASTER_STATE 0x00000040
  23 #define   WIFI_UNDER_LINKING    0x00000080
  24 #define WIFI_SITE_MONITOR       0x00000800      /* to indicate the station
  25                                                  * is under site surveying*/
  26 #define WIFI_MP_STATE           0x00010000
  27 #define WIFI_MP_CTX_BACKGROUND  0x00020000      /* in cont. tx background*/
  28 #define WIFI_MP_CTX_ST          0x00040000      /* in cont. tx with
  29                                                  *  single-tone*/
  30 #define WIFI_MP_CTX_BACKGROUND_PENDING  0x00080000 /* pending in cont, tx
  31                                         * background due to out of skb*/
  32 #define WIFI_MP_CTX_CCK_HW      0x00100000      /* in continuous tx*/
  33 #define WIFI_MP_CTX_CCK_CS      0x00200000      /* in cont, tx with carrier
  34                                                  * suppression*/
  35 #define   WIFI_MP_LPBK_STATE    0x00400000
  36
  37 #define _FW_UNDER_LINKING       WIFI_UNDER_LINKING
  38 #define _FW_LINKED              WIFI_ASOC_STATE
  39 #define _FW_UNDER_SURVEY        WIFI_SITE_MONITOR
  40
  41 /*
  42 there are several "locks" in mlme_priv,
  43 since mlme_priv is a shared resource between many threads,
  44 like ISR/Call-Back functions, the OID handlers, and even timer functions.
  45 Each _queue has its own locks, already.
  46 Other items are protected by mlme_priv.lock.
  47 To avoid possible dead lock, any thread trying to modifiying mlme_priv
  48 SHALL not lock up more than one locks at a time!
  49 */
  50
  51 #define traffic_threshold       10
  52 #define traffic_scan_period     500
  53
  54 struct sitesurvey_ctrl {
  55         u64     last_tx_pkts;
  56         uint    last_rx_pkts;
  57         sint    traffic_busy;
  58         struct timer_list sitesurvey_ctrl_timer;
  59 };
  60
  61 struct mlme_priv {
  62
  63         spinlock_t lock;
  64         spinlock_t lock2;
  65         sint    fw_state;       /*shall we protect this variable? */
  66         u8 to_join; /*flag*/
  67         u8 *nic_hdl;
  68         struct list_head *pscanned;
  69         struct  __queue free_bss_pool;
  70         struct  __queue scanned_queue;
  71         u8 *free_bss_buf;
  72         unsigned long num_of_scanned;
  73         struct ndis_802_11_ssid assoc_ssid;
  74         u8 assoc_bssid[6];
  75         struct wlan_network cur_network;
  76         struct sitesurvey_ctrl sitesurveyctrl;
  77         struct timer_list assoc_timer;
  78         uint assoc_by_bssid;
  79         uint assoc_by_rssi;
  80         struct timer_list scan_to_timer; /* driver handles scan_timeout.*/
  81         struct timer_list dhcp_timer; /* set dhcp to if driver in ps mode.*/
  82         struct qos_priv qospriv;
  83         struct ht_priv  htpriv;
  84         struct timer_list wdg_timer; /*watchdog periodic timer*/
  85 };
  86
  87 static inline u8 *get_bssid(struct mlme_priv *pmlmepriv)
  88 {
  89         return pmlmepriv->cur_network.network.MacAddress;
  90 }
  91
  92 static inline u8 check_fwstate(struct mlme_priv *pmlmepriv, sint state)
  93 {
  94         if (pmlmepriv->fw_state & state)
  95                 return true;
  96         return false;
  97 }
  98
  99 static inline sint get_fwstate(struct mlme_priv *pmlmepriv)
 100 {
 101         return pmlmepriv->fw_state;
 102 }
 103
 104 /*
 105  * No Limit on the calling context,
 106  * therefore set it to be the critical section...
 107  *
 108  * ### NOTE:#### (!!!!)
 109  * TAKE CARE THAT BEFORE CALLING THIS FUNC, LOCK pmlmepriv->lock
 110  */
 111 static inline void set_fwstate(struct mlme_priv *pmlmepriv, sint state)
 112 {
 113         pmlmepriv->fw_state |= state;
 114 }
 115
 116 static inline void _clr_fwstate_(struct mlme_priv *pmlmepriv, sint state)
 117 {
 118         pmlmepriv->fw_state &= ~state;
 119 }
 120
 121 /*
 122  * No Limit on the calling context,
 123  * therefore set it to be the critical section...
 124  */
 125 static inline void clr_fwstate(struct mlme_priv *pmlmepriv, sint state)
 126 {
 127         unsigned long irqL;
 128
 129         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 130         if (check_fwstate(pmlmepriv, state) == true)
 131                 pmlmepriv->fw_state ^= state;
 132         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 133 }
 134
 135 static inline void up_scanned_network(struct mlme_priv *pmlmepriv)
 136 {
 137         unsigned long irqL;
 138
 139         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 140         pmlmepriv->num_of_scanned++;
 141         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 142 }
 143
 144 static inline void down_scanned_network(struct mlme_priv *pmlmepriv)
 145 {
 146         unsigned long irqL;
 147
 148         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 149         pmlmepriv->num_of_scanned--;
 150         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 151 }
 152
 153 static inline void set_scanned_network_val(struct mlme_priv *pmlmepriv,
 154                                              sint val)
 155 {
 156         unsigned long irqL;
 157
 158         spin_lock_irqsave(&pmlmepriv->lock, irqL);
 159         pmlmepriv->num_of_scanned = val;
 160         spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
 161 }
 162
 163 void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf);
 164 void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf);
 165 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf);
 166 void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf);
 167 void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf);
 168 void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf);
 169 void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf);
 170 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf);
 171 void r8712_free_network_queue(struct _adapter *adapter);
 172 int r8712_init_mlme_priv(struct _adapter *adapter);
 173 void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv);
 174 sint r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv);
 175 sint r8712_set_key(struct _adapter *adapter,
 176                    struct security_priv *psecuritypriv, sint keyid);
 177 sint r8712_set_auth(struct _adapter *adapter,
 178                     struct security_priv *psecuritypriv);
 179 uint r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex *bss);
 180 void r8712_generate_random_ibss(u8 *pibss);
 181 u8 *r8712_get_capability_from_ie(u8 *ie);
 182 struct wlan_network *r8712_get_oldest_wlan_network(
 183                                 struct  __queue *scanned_queue);
 184 void r8712_free_assoc_resources(struct _adapter *adapter);
 185 void r8712_ind_disconnect(struct _adapter *adapter);
 186 void r8712_indicate_connect(struct _adapter *adapter);
 187 int r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
 188                           u8 *out_ie, uint in_len);
 189 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie,
 190                           u8 *out_ie, uint in_len, uint initial_out_len);
 191 void r8712_init_registrypriv_dev_network(struct _adapter *adapter);
 192 void r8712_update_registrypriv_dev_network(struct _adapter *adapter);
 193 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter);
 194 void _r8712_join_timeout_handler(struct _adapter *adapter);
 195 void r8712_scan_timeout_handler(struct _adapter *adapter);
 196 void _r8712_dhcp_timeout_handler(struct _adapter *adapter);
 197 void _r8712_wdg_timeout_handler(struct _adapter *adapter);
 198 struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv);
 199 sint r8712_if_up(struct _adapter *padapter);
 200 void r8712_joinbss_reset(struct _adapter *padapter);
 201 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
 202                                      u8 *out_ie, uint in_len, uint *pout_len);
 203 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority);
 204 unsigned int r8712_add_ht_addt_info(struct _adapter *padapter, u8 *in_ie,
 205                                     u8 *out_ie, uint in_len, uint *pout_len);
 206 int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork);
 207
 208 #endif /*__RTL871X_MLME_H_*/