/******************************************************************************
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*
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* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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* Modifications for inclusion into the Linux staging tree are
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* Copyright(c) 2010 Larry Finger. All rights reserved.
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*
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* Contact information:
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* WLAN FAE <wlanfae@realtek.com>
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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******************************************************************************/
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#ifndef __STA_INFO_H_
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#define __STA_INFO_H_
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#include "osdep_service.h"
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#include "drv_types.h"
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#include "wifi.h"
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#define NUM_STA 32
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#define NUM_ACL 64
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/* if mode ==0, then the sta is allowed once the addr is hit.
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* if mode ==1, then the sta is rejected once the addr is non-hit.
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*/
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struct wlan_acl_node {
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struct list_head list;
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u8 addr[ETH_ALEN];
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u8 mode;
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};
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struct wlan_acl_pool {
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struct wlan_acl_node aclnode[NUM_ACL];
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};
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struct stainfo_stats {
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uint rx_pkts;
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uint rx_bytes;
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u64 tx_pkts;
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uint tx_bytes;
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};
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struct sta_info {
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spinlock_t lock;
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struct list_head list; /*free_sta_queue*/
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struct list_head hash_list; /*sta_hash*/
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struct sta_xmit_priv sta_xmitpriv;
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struct sta_recv_priv sta_recvpriv;
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uint state;
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uint aid;
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uint mac_id;
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uint qos_option;
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u8 hwaddr[ETH_ALEN];
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uint ieee8021x_blocked; /*0: allowed, 1:blocked */
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uint XPrivacy; /*aes, tkip...*/
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union Keytype tkiptxmickey;
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union Keytype tkiprxmickey;
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union Keytype x_UncstKey;
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union pn48 txpn; /* PN48 used for Unicast xmit.*/
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union pn48 rxpn; /* PN48 used for Unicast recv.*/
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u8 bssrateset[16];
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uint bssratelen;
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s32 rssi;
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s32 signal_quality;
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struct stainfo_stats sta_stats;
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/*for A-MPDU Rx reordering buffer control */
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struct recv_reorder_ctrl recvreorder_ctrl[16];
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struct ht_priv htpriv;
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/* Notes:
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* STA_Mode:
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* curr_network(mlme_priv/security_priv/qos/ht)
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* + sta_info: (STA & AP) CAP/INFO
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* scan_q: AP CAP/INFO
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* AP_Mode:
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* curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO
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* sta_info: (AP & STA) CAP/INFO
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*/
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struct list_head asoc_list;
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struct list_head auth_list;
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unsigned int expire_to;
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unsigned int auth_seq;
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unsigned int authalg;
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unsigned char chg_txt[128];
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unsigned int tx_ra_bitmap;
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};
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struct sta_priv {
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u8 *pallocated_stainfo_buf;
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u8 *pstainfo_buf;
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struct __queue free_sta_queue;
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spinlock_t sta_hash_lock;
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struct list_head sta_hash[NUM_STA];
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int asoc_sta_count;
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struct __queue sleep_q;
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struct __queue wakeup_q;
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struct _adapter *padapter;
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struct list_head asoc_list;
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struct list_head auth_list;
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unsigned int auth_to; /* sec, time to expire in authenticating. */
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unsigned int assoc_to; /* sec, time to expire before associating. */
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unsigned int expire_to; /* sec , time to expire after associated. */
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};
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static inline u32 wifi_mac_hash(u8 *mac)
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{
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u32 x;
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x = mac[0];
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x = (x << 2) ^ mac[1];
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x = (x << 2) ^ mac[2];
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x = (x << 2) ^ mac[3];
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x = (x << 2) ^ mac[4];
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x = (x << 2) ^ mac[5];
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x ^= x >> 8;
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x = x & (NUM_STA - 1);
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return x;
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}
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u32 _r8712_init_sta_priv(struct sta_priv *pstapriv);
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u32 _r8712_free_sta_priv(struct sta_priv *pstapriv);
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struct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv,
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u8 *hwaddr);
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void r8712_free_stainfo(struct _adapter *padapter, struct sta_info *psta);
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void r8712_free_all_stainfo(struct _adapter *padapter);
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struct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr);
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void r8712_init_bcmc_stainfo(struct _adapter *padapter);
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struct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter);
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u8 r8712_access_ctrl(struct wlan_acl_pool *pacl_list, u8 *mac_addr);
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#endif /* _STA_INFO_H_ */
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