Release 4.7 drivers/staging/rtl8712/rtl871x_mlme.h
/******************************************************************************
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <wlanfae@realtek.com>
* Larry Finger <Larry.Finger@lwfinger.net>
*
******************************************************************************/
#ifndef __RTL871X_MLME_H_
#define __RTL871X_MLME_H_
#include "osdep_service.h"
#include "drv_types.h"
#include "wlan_bssdef.h"
#define MAX_BSS_CNT 64
#define MAX_JOIN_TIMEOUT 6000
#define SCANNING_TIMEOUT 4500
#define SCANQUEUE_LIFETIME 20
/* unit:sec */
#define WIFI_NULL_STATE 0x00000000
#define WIFI_ASOC_STATE 0x00000001
/* Under Linked state...*/
#define WIFI_REASOC_STATE 0x00000002
#define WIFI_SLEEP_STATE 0x00000004
#define WIFI_STATION_STATE 0x00000008
#define WIFI_AP_STATE 0x00000010
#define WIFI_ADHOC_STATE 0x00000020
#define WIFI_ADHOC_MASTER_STATE 0x00000040
#define WIFI_UNDER_LINKING 0x00000080
#define WIFI_SITE_MONITOR 0x00000800
/* to indicate the station
* is under site surveying*/
#define WIFI_MP_STATE 0x00010000
#define WIFI_MP_CTX_BACKGROUND 0x00020000
/* in cont. tx background*/
#define WIFI_MP_CTX_ST 0x00040000
/* in cont. tx with
* single-tone*/
#define WIFI_MP_CTX_BACKGROUND_PENDING 0x00080000
/* pending in cont, tx
* background due to out of skb*/
#define WIFI_MP_CTX_CCK_HW 0x00100000
/* in continuous tx*/
#define WIFI_MP_CTX_CCK_CS 0x00200000
/* in cont, tx with carrier
* suppression*/
#define WIFI_MP_LPBK_STATE 0x00400000
#define _FW_UNDER_LINKING WIFI_UNDER_LINKING
#define _FW_LINKED WIFI_ASOC_STATE
#define _FW_UNDER_SURVEY WIFI_SITE_MONITOR
/*
there are several "locks" in mlme_priv,
since mlme_priv is a shared resource between many threads,
like ISR/Call-Back functions, the OID handlers, and even timer functions.
Each _queue has its own locks, already.
Other items are protected by mlme_priv.lock.
To avoid possible dead lock, any thread trying to modify mlme_priv
SHALL not lock up more than one lock at a time!
*/
#define traffic_threshold 10
#define traffic_scan_period 500
struct sitesurvey_ctrl {
u64 last_tx_pkts;
uint last_rx_pkts;
sint traffic_busy;
struct timer_list sitesurvey_ctrl_timer;
};
struct mlme_priv {
spinlock_t lock;
spinlock_t lock2;
sint fw_state; /*shall we protect this variable? */
u8 to_join; /*flag*/
u8 *nic_hdl;
struct list_head *pscanned;
struct __queue free_bss_pool;
struct __queue scanned_queue;
u8 *free_bss_buf;
unsigned long num_of_scanned;
u8 passive_mode; /*add for Android's SCAN-ACTIVE/SCAN-PASSIVE */
struct ndis_802_11_ssid assoc_ssid;
u8 assoc_bssid[6];
struct wlan_network cur_network;
struct sitesurvey_ctrl sitesurveyctrl;
struct timer_list assoc_timer;
uint assoc_by_bssid;
uint assoc_by_rssi;
struct timer_list scan_to_timer; /* driver handles scan_timeout.*/
struct timer_list dhcp_timer; /* set dhcp to if driver in ps mode.*/
struct qos_priv qospriv;
struct ht_priv htpriv;
struct timer_list wdg_timer; /*watchdog periodic timer*/
};
static inline u8 *get_bssid(struct mlme_priv *pmlmepriv)
{
return pmlmepriv->cur_network.network.MacAddress;
}
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static inline u8 check_fwstate(struct mlme_priv *pmlmepriv, sint state)
{
if (pmlmepriv->fw_state & state)
return true;
return false;
}
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static inline sint get_fwstate(struct mlme_priv *pmlmepriv)
{
return pmlmepriv->fw_state;
}
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/*
* No Limit on the calling context,
* therefore set it to be the critical section...
*
* ### NOTE:#### (!!!!)
* TAKE CARE BEFORE CALLING THIS FUNC, LOCK pmlmepriv->lock
*/
static inline void set_fwstate(struct mlme_priv *pmlmepriv, sint state)
{
pmlmepriv->fw_state |= state;
}
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static inline void _clr_fwstate_(struct mlme_priv *pmlmepriv, sint state)
{
pmlmepriv->fw_state &= ~state;
}
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/*
* No Limit on the calling context,
* therefore set it to be the critical section...
*/
static inline void clr_fwstate(struct mlme_priv *pmlmepriv, sint state)
{
unsigned long irqL;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, state))
pmlmepriv->fw_state ^= state;
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
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static inline void up_scanned_network(struct mlme_priv *pmlmepriv)
{
unsigned long irqL;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
pmlmepriv->num_of_scanned++;
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
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static inline void down_scanned_network(struct mlme_priv *pmlmepriv)
{
unsigned long irqL;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
pmlmepriv->num_of_scanned--;
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
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static inline void set_scanned_network_val(struct mlme_priv *pmlmepriv,
sint val)
{
unsigned long irqL;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
pmlmepriv->num_of_scanned = val;
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
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void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf);
void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf);
void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf);
void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf);
void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf);
void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf);
void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf);
void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf);
void r8712_free_network_queue(struct _adapter *adapter);
int r8712_init_mlme_priv(struct _adapter *adapter);
void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv);
sint r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv);
sint r8712_set_key(struct _adapter *adapter,
struct security_priv *psecuritypriv, sint keyid);
sint r8712_set_auth(struct _adapter *adapter,
struct security_priv *psecuritypriv);
uint r8712_get_wlan_bssid_ex_sz(struct wlan_bssid_ex *bss);
void r8712_generate_random_ibss(u8 *pibss);
u8 *r8712_get_capability_from_ie(u8 *ie);
struct wlan_network *r8712_get_oldest_wlan_network(
struct __queue *scanned_queue);
void r8712_free_assoc_resources(struct _adapter *adapter);
void r8712_ind_disconnect(struct _adapter *adapter);
void r8712_indicate_connect(struct _adapter *adapter);
int r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
u8 *out_ie, uint in_len);
int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie,
u8 *out_ie, uint in_len, uint initial_out_len);
void r8712_init_registrypriv_dev_network(struct _adapter *adapter);
void r8712_update_registrypriv_dev_network(struct _adapter *adapter);
void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter);
void _r8712_join_timeout_handler(struct _adapter *adapter);
void r8712_scan_timeout_handler(struct _adapter *adapter);
void _r8712_dhcp_timeout_handler(struct _adapter *adapter);
void _r8712_wdg_timeout_handler(struct _adapter *adapter);
struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv);
sint r8712_if_up(struct _adapter *padapter);
void r8712_joinbss_reset(struct _adapter *padapter);
unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
u8 *out_ie, uint in_len, uint *pout_len);
void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority);
int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork);
#endif /*__RTL871X_MLME_H_*/
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