text: /******************************************************************************
   *
   * Copyright(c) 2007 - 2011 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.
   *
   ******************************************************************************/
  #ifndef __STA_INFO_H_
  #define __STA_INFO_H_
  
  #include <osdep_service.h>
  #include <drv_types.h>
  #include <wifi.h>
  
  #define IBSS_START_MAC_ID	2
  #define NUM_STA 32
  #define NUM_ACL 16
  
  
  /* if mode ==0, then the sta is allowed once the addr is hit. */
  /* if mode ==1, then the sta is rejected once the addr is non-hit. */
  struct rtw_wlan_acl_node {
  	struct list_head	list;
  	u8       addr[ETH_ALEN];
  	u8       valid;
  };
  
  /* mode=0, disable */
  /* mode=1, accept unless in deny list */
  /* mode=2, deny unless in accept list */
  struct wlan_acl_pool {
  	int mode;
  	int num;
  	struct rtw_wlan_acl_node aclnode[NUM_ACL];
  	struct rtw_queue	acl_node_q;
  };
  
  struct rssi_sta  {
  	s32	UndecoratedSmoothedPWDB;
  	s32	UndecoratedSmoothedCCK;
  	s32	UndecoratedSmoothedOFDM;
  	u64	PacketMap;
  	u8	ValidBit;
  };
  
  struct	stainfo_stats	{
  	u64 rx_mgnt_pkts;
  		u64 rx_beacon_pkts;
  		u64 rx_probereq_pkts;
  		u64 rx_probersp_pkts;
  		u64 rx_probersp_bm_pkts;
  		u64 rx_probersp_uo_pkts;
  	u64 rx_ctrl_pkts;
  	u64 rx_data_pkts;
  
  	u64	last_rx_mgnt_pkts;
  		u64 last_rx_beacon_pkts;
  		u64 last_rx_probereq_pkts;
  		u64 last_rx_probersp_pkts;
  		u64 last_rx_probersp_bm_pkts;
  		u64 last_rx_probersp_uo_pkts;
  	u64	last_rx_ctrl_pkts;
  	u64	last_rx_data_pkts;
  
  	u64	rx_bytes;
  	u64	rx_drops;
  
  	u64	tx_pkts;
  	u64	tx_bytes;
  	u64  tx_drops;
  
  };
  
  struct sta_info {
  	spinlock_t	lock;
  	struct list_head	list; /* free_sta_queue */
  	struct list_head	hash_list; /* sta_hash */
  	struct rtw_adapter *padapter;
  
  	struct sta_xmit_priv sta_xmitpriv;
  	struct sta_recv_priv sta_recvpriv;
  
  	struct rtw_queue sleep_q;
  	unsigned int sleepq_len;
  
  	uint state;
  	uint aid;
  	uint mac_id;
  	uint qos_option;
  	u8	hwaddr[ETH_ALEN];
  
  	uint	ieee8021x_blocked;	/* 0: allowed, 1:blocked */
  	u32	dot118021XPrivacy; /* aes, tkip... */
  	union Keytype	dot11tkiptxmickey;
  	union Keytype	dot11tkiprxmickey;
  	union Keytype	dot118021x_UncstKey;
  	union pn48		dot11txpn;			/*  PN48 used for Unicast xmit. */
  	union pn48		dot11rxpn;			/*  PN48 used for Unicast recv. */
  
  
  	u8	bssrateset[16];
  	u32	bssratelen;
  	s32  rssi;
  	s32	signal_quality;
  
  	u8	cts2self;
  	u8	rtsen;
  
  	u8	raid;
  	u8	init_rate;
  	u32	ra_mask;
  	u8	wireless_mode;	/*  NETWORK_TYPE */
  	struct stainfo_stats sta_stats;
  
  	/* for A-MPDU TX, ADDBA timeout check */
  	struct timer_list addba_retry_timer;
  
  	/* for A-MPDU Rx reordering buffer control */
  	struct recv_reorder_ctrl recvreorder_ctrl[16];
  
  	/* for A-MPDU Tx */
  	/* unsigned char		ampdu_txen_bitmap; */
  	u16	BA_starting_seqctrl[16];
  
  	struct ht_priv	htpriv;
  
  	/* Notes: */
  	/* STA_Mode: */
  	/* curr_network(mlme_priv/security_priv/qos/ht) + sta_info: (STA & AP) CAP/INFO */
  	/* scan_q: AP CAP/INFO */
  
  	/* AP_Mode: */
  	/* curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO */
  	/* sta_info: (AP & STA) CAP/INFO */
  
  	struct list_head asoc_list;
  	struct list_head auth_list;
  
  	unsigned int expire_to;
  	unsigned int auth_seq;
  	unsigned int authalg;
  	unsigned char chg_txt[128];
  
  	u16 capability;
  	int flags;
  
  	int dot8021xalg;/* 0:disable, 1:psk, 2:802.1x */
  	int wpa_psk;/* 0:disable, bit(0): WPA, bit(1):WPA2 */
  	int wpa_group_cipher;
  	int wpa2_group_cipher;
  	int wpa_pairwise_cipher;
  	int wpa2_pairwise_cipher;
  
  	u8 bpairwise_key_installed;
  
  	u8 wpa_ie[32];
  
  	u8 nonerp_set;
  	u8 no_short_slot_time_set;
  	u8 no_short_preamble_set;
  	u8 no_ht_gf_set;
  	u8 no_ht_set;
  	u8 ht_20mhz_set;
  
  	unsigned int tx_ra_bitmap;
  	u8 qos_info;
  
  	u8 max_sp_len;
  	u8 uapsd_bk;/* BIT(0): Delivery enabled, BIT(1): Trigger enabled */
  	u8 uapsd_be;
  	u8 uapsd_vi;
  	u8 uapsd_vo;
  
  	u8 has_legacy_ac;
  	unsigned int sleepq_ac_len;
  
  	/* p2p priv data */
  	u8 is_p2p_device;
  	u8 p2p_status_code;
  
  	u8 keep_alive_trycnt;
  
  	/* p2p client info */
  	u8 dev_addr[ETH_ALEN];
  	u8 dev_cap;
  	u16 config_methods;
  	u8 primary_dev_type[8];
  	u8 num_of_secdev_type;
  	u8 secdev_types_list[32];/*  32/8 == 4; */
  	u16 dev_name_len;
  	u8 dev_name[32];
  	u8 *passoc_req;
  	u32 assoc_req_len;
  
  	/* for DM */
  	struct rssi_sta	 rssi_stat;
  
  	/*  */
  	/*  ================ODM Relative Info======================= */
  	/*  Please be care, dont declare too much structure here. It will cost memory * STA support num. */
  	/*  */
  	/*  */
  	/*  2011/10/20 MH Add for ODM STA info. */
  	/*  */
  	/*  Driver Write */
  	u8		bValid;				/*  record the sta status link or not? */
  	u8		rssi_level;			/* for Refresh RA mask */
  	/*  ODM Write */
  	/* 1 PHY_STATUS_INFO */
  	u8		RSSI_Path[4];		/*  */
  	u8		RSSI_Ave;
  	u8		RXEVM[4];
  	u8		RXSNR[4];
  
  	/*  ODM Write */
  	/* 1 TX_INFO (may changed by IC) */
  	/*  ================ODM Relative Info======================= */
  	/*  */
  
  	/* To store the sequence number of received management frame */
  	u16 RxMgmtFrameSeqNum;
  };
  
  #define sta_rx_pkts(sta) \
  	(sta->sta_stats.rx_mgnt_pkts \
  	+ sta->sta_stats.rx_ctrl_pkts \
  	+ sta->sta_stats.rx_data_pkts)
  
  #define sta_last_rx_pkts(sta) \
  	(sta->sta_stats.last_rx_mgnt_pkts \
  	+ sta->sta_stats.last_rx_ctrl_pkts \
  	+ sta->sta_stats.last_rx_data_pkts)
  
  #define sta_rx_data_pkts(sta) \
  	(sta->sta_stats.rx_data_pkts)
  
  #define sta_last_rx_data_pkts(sta) \
  	(sta->sta_stats.last_rx_data_pkts)
  
  #define sta_rx_mgnt_pkts(sta) \
  	(sta->sta_stats.rx_mgnt_pkts)
  
  #define sta_last_rx_mgnt_pkts(sta) \
  	(sta->sta_stats.last_rx_mgnt_pkts)
  
  #define sta_rx_beacon_pkts(sta) \
  	(sta->sta_stats.rx_beacon_pkts)
  
  #define sta_last_rx_beacon_pkts(sta) \
  	(sta->sta_stats.last_rx_beacon_pkts)
  
  #define sta_rx_probereq_pkts(sta) \
  	(sta->sta_stats.rx_probereq_pkts)
  
  #define sta_last_rx_probereq_pkts(sta) \
  	(sta->sta_stats.last_rx_probereq_pkts)
  
  #define sta_rx_probersp_pkts(sta) \
  	(sta->sta_stats.rx_probersp_pkts)
  
  #define sta_last_rx_probersp_pkts(sta) \
  	(sta->sta_stats.last_rx_probersp_pkts)
  
  #define sta_rx_probersp_bm_pkts(sta) \
  	(sta->sta_stats.rx_probersp_bm_pkts)
  
  #define sta_last_rx_probersp_bm_pkts(sta) \
  	(sta->sta_stats.last_rx_probersp_bm_pkts)
  
  #define sta_rx_probersp_uo_pkts(sta) \
  	(sta->sta_stats.rx_probersp_uo_pkts)
  
  #define sta_last_rx_probersp_uo_pkts(sta) \
  	(sta->sta_stats.last_rx_probersp_uo_pkts)
  
  #define sta_update_last_rx_pkts(sta) \
  	do { \
  		sta->sta_stats.last_rx_mgnt_pkts = sta->sta_stats.rx_mgnt_pkts; \
  		sta->sta_stats.last_rx_beacon_pkts = sta->sta_stats.rx_beacon_pkts; \
  		sta->sta_stats.last_rx_probereq_pkts = sta->sta_stats.rx_probereq_pkts; \
  		sta->sta_stats.last_rx_probersp_pkts = sta->sta_stats.rx_probersp_pkts; \
  		sta->sta_stats.last_rx_probersp_bm_pkts = sta->sta_stats.rx_probersp_bm_pkts; \
  		sta->sta_stats.last_rx_probersp_uo_pkts = sta->sta_stats.rx_probersp_uo_pkts; \
  		sta->sta_stats.last_rx_ctrl_pkts = sta->sta_stats.rx_ctrl_pkts; \
  		sta->sta_stats.last_rx_data_pkts = sta->sta_stats.rx_data_pkts; \
  	} while (0)
  
  #define STA_RX_PKTS_ARG(sta) \
  	sta->sta_stats.rx_mgnt_pkts \
  	, sta->sta_stats.rx_ctrl_pkts \
  	, sta->sta_stats.rx_data_pkts
  
  #define STA_LAST_RX_PKTS_ARG(sta) \
  	sta->sta_stats.last_rx_mgnt_pkts, \
  	sta->sta_stats.last_rx_ctrl_pkts, \
  	sta->sta_stats.last_rx_data_pkts
  
  #define STA_RX_PKTS_DIFF_ARG(sta) \
  	sta->sta_stats.rx_mgnt_pkts - sta->sta_stats.last_rx_mgnt_pkts, \
  	sta->sta_stats.rx_ctrl_pkts - sta->sta_stats.last_rx_ctrl_pkts, \
  	sta->sta_stats.rx_data_pkts - sta->sta_stats.last_rx_data_pkts
  
  #define STA_PKTS_FMT "(m:%llu, c:%llu, d:%llu)"
  
  struct sta_priv {
  	spinlock_t sta_hash_lock;
  	struct list_head sta_hash[NUM_STA];
  	int asoc_sta_count;
  
  	struct rtw_adapter *padapter;
  	struct list_head asoc_list;
  	struct list_head auth_list;
  	spinlock_t asoc_list_lock;
  	spinlock_t auth_list_lock;
  	u8 asoc_list_cnt;
  	u8 auth_list_cnt;
  
  	unsigned int auth_to;  /* sec, time to expire in authenticating. */
  	unsigned int assoc_to; /* sec, time to expire before associating. */
  	unsigned int expire_to; /* sec , time to expire after associated. */
  
  	/* pointers to STA info; based on allocated AID or NULL if AID free
  	 * AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1
  	 * and so on
  	 */
  	struct sta_info *sta_aid[NUM_STA];
  
  	u16 sta_dz_bitmap;/* only support 15 stations, staion aid bitmap
  			   * for sleeping sta. */
  	u16 tim_bitmap;/* only support 15 stations,
  			* aid=0~15 mapping bit0~bit15 */
  
  	u16 max_num_sta;
  
  	struct wlan_acl_pool acl_list;
  };
  
  static inline u32 wifi_mac_hash(const u8 *mac)
  {
  	u32 x;
  
  	x = mac[0];
  	x = (x << 2) ^ mac[1];
  	x = (x << 2) ^ mac[2];
  	x = (x << 2) ^ mac[3];
  	x = (x << 2) ^ mac[4];
  	x = (x << 2) ^ mac[5];
  
  	x ^= x >> 8;
  	x  = x & (NUM_STA - 1);
  
  	return x;
  }
  
  int _rtw_init_sta_priv23a(struct sta_priv *pstapriv);
  int _rtw_free_sta_priv23a(struct sta_priv *pstapriv);
  
  struct sta_info *rtw_alloc_stainfo23a(struct sta_priv *pstapriv, u8 *hwaddr, gfp_t gfp);
  int rtw_free_stainfo23a(struct rtw_adapter *padapter, struct sta_info *psta);
  void rtw_free_all_stainfo23a(struct rtw_adapter *padapter);
  struct sta_info *rtw_get_stainfo23a(struct sta_priv *pstapriv, const u8 *hwaddr);
  int rtw_init_bcmc_stainfo23a(struct rtw_adapter *padapter);
  struct sta_info *rtw_get_bcmc_stainfo23a(struct rtw_adapter *padapter);
  bool rtw_access_ctrl23a(struct rtw_adapter *padapter, u8 *mac_addr);
  
  #endif /* _STA_INFO_H_ */
  