LXR linux/drivers/staging/rtl8712/rtl871x

   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 continous 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/*
  42there are several "locks" in mlme_priv,
  43since mlme_priv is a shared resource between many threads,
  44like ISR/Call-Back functions, the OID handlers, and even timer functions.
  45Each _queue has its own locks, already.
  46Other items are protected by mlme_priv.lock.
  47To avoid possible dead lock, any thread trying to modifiying mlme_priv
  48SHALL not lock up more than one locks at a time!
  49*/
  50
  51#define traffic_threshold       10
  52#define traffic_scan_period     500
  53
  54struct 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
  61struct 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
  87static inline u8 *get_bssid(struct mlme_priv *pmlmepriv)
  88{
  89        return pmlmepriv->cur_network.network.MacAddress;
  90}
  91
  92static 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
  99static 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 */
 111static inline void set_fwstate(struct mlme_priv *pmlmepriv, sint state)
 112{
 113        pmlmepriv->fw_state |= state;
 114}
 115
 116static 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 */
 125static 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
 135static 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
 144static 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
 153static 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
 163void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf);
 164void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf);
 165void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf);
 166void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf);
 167void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf);
 168void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf);
 169void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf);
 170void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf);
 171void r8712_free_network_queue(struct _adapter *adapter);
 172int r8712_init_mlme_priv(struct _adapter *adapter);
 173void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv);
 174sint r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv);
 175sint r8712_set_key(struct _adapter *adapter,
 176                   struct security_priv *psecuritypriv, sint keyid);
 177sint r8712_set_auth(struct _adapter *adapter,
 178                    struct security_priv *psecuritypriv);
 179uint r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex *bss);
 180void r8712_generate_random_ibss(u8 *pibss);
 181u8 *r8712_get_capability_from_ie(u8 *ie);
 182struct wlan_network *r8712_get_oldest_wlan_network(
 183                                struct  __queue *scanned_queue);
 184void r8712_free_assoc_resources(struct _adapter *adapter);
 185void r8712_ind_disconnect(struct _adapter *adapter);
 186void r8712_indicate_connect(struct _adapter *adapter);
 187int r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
 188                          u8 *out_ie, uint in_len);
 189int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie,
 190                          u8 *out_ie, uint in_len, uint initial_out_len);
 191void r8712_init_registrypriv_dev_network(struct _adapter *adapter);
 192void r8712_update_registrypriv_dev_network(struct _adapter *adapter);
 193void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter);
 194void _r8712_join_timeout_handler(struct _adapter *adapter);
 195void r8712_scan_timeout_handler(struct _adapter *adapter);
 196void _r8712_dhcp_timeout_handler(struct _adapter *adapter);
 197void _r8712_wdg_timeout_handler(struct _adapter *adapter);
 198struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv);
 199sint r8712_if_up(struct _adapter *padapter);
 200void r8712_joinbss_reset(struct _adapter *padapter);
 201unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
 202                                     u8 *out_ie, uint in_len, uint *pout_len);
 203void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority);
 204unsigned int r8712_add_ht_addt_info(struct _adapter *padapter, u8 *in_ie,
 205                                    u8 *out_ie, uint in_len, uint *pout_len);
 206int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork);
 207
 208#endif /*__RTL871X_MLME_H_*/
 209