drivers/staging/rtl8712/sta_info.h

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * Modifications for inclusion into the Linux staging tree are
  19  * Copyright(c) 2010 Larry Finger. All rights reserved.
  20  *
  21  * Contact information:
  22  * WLAN FAE <wlanfae@realtek.com>
  23  * Larry Finger <Larry.Finger@lwfinger.net>
  24  *
  25  ******************************************************************************/
  26 #ifndef __STA_INFO_H_
  27 #define __STA_INFO_H_
  28
  29 #include "osdep_service.h"
  30 #include "drv_types.h"
  31 #include "wifi.h"
  32
  33 #define NUM_STA 32
  34 #define NUM_ACL 64
  35
  36
  37 /* if mode ==0, then the sta is allowed once the addr is hit.
  38  * if mode ==1, then the sta is rejected once the addr is non-hit.
  39  */
  40 struct wlan_acl_node {
  41         struct list_head list;
  42         u8       addr[ETH_ALEN];
  43         u8       mode;
  44 };
  45
  46 struct wlan_acl_pool {
  47         struct wlan_acl_node aclnode[NUM_ACL];
  48 };
  49
  50 struct  stainfo_stats {
  51
  52         uint    rx_pkts;
  53         uint    rx_bytes;
  54         u64     tx_pkts;
  55         uint    tx_bytes;
  56 };
  57
  58 struct sta_info {
  59         spinlock_t lock;
  60         struct list_head list; /*free_sta_queue*/
  61         struct list_head hash_list; /*sta_hash*/
  62         struct sta_xmit_priv sta_xmitpriv;
  63         struct sta_recv_priv sta_recvpriv;
  64         uint state;
  65         uint aid;
  66         uint    mac_id;
  67         uint    qos_option;
  68         u8      hwaddr[ETH_ALEN];
  69         uint    ieee8021x_blocked;      /*0: allowed, 1:blocked */
  70         uint    XPrivacy; /*aes, tkip...*/
  71         union Keytype   tkiptxmickey;
  72         union Keytype   tkiprxmickey;
  73         union Keytype   x_UncstKey;
  74         union pn48              txpn;   /* PN48 used for Unicast xmit.*/
  75         union pn48              rxpn;   /* PN48 used for Unicast recv.*/
  76         u8      bssrateset[16];
  77         uint    bssratelen;
  78         s32  rssi;
  79         s32     signal_quality;
  80         struct stainfo_stats sta_stats;
  81         /*for A-MPDU Rx reordering buffer control */
  82         struct recv_reorder_ctrl recvreorder_ctrl[16];
  83         struct ht_priv  htpriv;
  84         /* Notes:
  85          * STA_Mode:
  86          * curr_network(mlme_priv/security_priv/qos/ht)
  87          *   + sta_info: (STA & AP) CAP/INFO
  88          * scan_q: AP CAP/INFO
  89          * AP_Mode:
  90          * curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO
  91          * sta_info: (AP & STA) CAP/INFO
  92          */
  93 #ifdef CONFIG_R8712_AP
  94         struct list_head asoc_list;
  95         struct list_head auth_list;
  96         unsigned int expire_to;
  97         unsigned int auth_seq;
  98         unsigned int authalg;
  99         unsigned char chg_txt[128];
 100         unsigned int tx_ra_bitmap;
 101 #endif
 102 };
 103
 104 struct  sta_priv {
 105         u8 *pallocated_stainfo_buf;
 106         u8 *pstainfo_buf;
 107         struct  __queue free_sta_queue;
 108         spinlock_t sta_hash_lock;
 109         struct list_head sta_hash[NUM_STA];
 110         int asoc_sta_count;
 111         struct  __queue sleep_q;
 112         struct  __queue wakeup_q;
 113         struct _adapter *padapter;
 114 #ifdef CONFIG_R8712_AP
 115         struct list_head asoc_list;
 116         struct list_head auth_list;
 117         unsigned int auth_to;  /* sec, time to expire in authenticating. */
 118         unsigned int assoc_to; /* sec, time to expire before associating. */
 119         unsigned int expire_to; /* sec , time to expire after associated. */
 120 #endif
 121 };
 122
 123 static inline u32 wifi_mac_hash(u8 *mac)
 124 {
 125         u32 x;
 126
 127         x = mac[0];
 128         x = (x << 2) ^ mac[1];
 129         x = (x << 2) ^ mac[2];
 130         x = (x << 2) ^ mac[3];
 131         x = (x << 2) ^ mac[4];
 132         x = (x << 2) ^ mac[5];
 133         x ^= x >> 8;
 134         x  = x & (NUM_STA - 1);
 135         return x;
 136 }
 137
 138 u32 _r8712_init_sta_priv(struct sta_priv *pstapriv);
 139 u32 _r8712_free_sta_priv(struct sta_priv *pstapriv);
 140 struct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv,
 141                                      u8 *hwaddr);
 142 void r8712_free_stainfo(struct _adapter *padapter , struct sta_info *psta);
 143 void r8712_free_all_stainfo(struct _adapter *padapter);
 144 struct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr);
 145 void r8712_init_bcmc_stainfo(struct _adapter *padapter);
 146 struct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter);
 147 u8 r8712_access_ctrl(struct wlan_acl_pool *pacl_list, u8 * mac_addr);
 148
 149 #endif /* _STA_INFO_H_ */
 150