root/drivers/staging/rtl8712/sta_info.h

INCLUDED FROM

DEFINITIONS

1. wifi_mac_hash

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
   5  *
   6  * Modifications for inclusion into the Linux staging tree are
   7  * Copyright(c) 2010 Larry Finger. All rights reserved.
   8  *
   9  * Contact information:
  10  * WLAN FAE <wlanfae@realtek.com>
  11  * Larry Finger <Larry.Finger@lwfinger.net>
  12  *
  13  ******************************************************************************/
  14 #ifndef __STA_INFO_H_
  15 #define __STA_INFO_H_
  16 
  17 #include "osdep_service.h"
  18 #include "drv_types.h"
  19 #include "wifi.h"
  20 
  21 #define NUM_STA 32
  22 #define NUM_ACL 64
  23 
  24 
  25 /* if mode ==0, then the sta is allowed once the addr is hit.
  26  * if mode ==1, then the sta is rejected once the addr is non-hit.
  27  */
  28 struct wlan_acl_node {
  29         struct list_head list;
  30         u8       addr[ETH_ALEN];
  31         u8       mode;
  32 };
  33 
  34 struct wlan_acl_pool {
  35         struct wlan_acl_node aclnode[NUM_ACL];
  36 };
  37 
  38 struct  stainfo_stats {
  39 
  40         uint    rx_pkts;
  41         uint    rx_bytes;
  42         u64     tx_pkts;
  43         uint    tx_bytes;
  44 };
  45 
  46 struct sta_info {
  47         spinlock_t lock;
  48         struct list_head list; /*free_sta_queue*/
  49         struct list_head hash_list; /*sta_hash*/
  50         struct sta_xmit_priv sta_xmitpriv;
  51         struct sta_recv_priv sta_recvpriv;
  52         uint state;
  53         uint aid;
  54         uint    mac_id;
  55         uint    qos_option;
  56         u8      hwaddr[ETH_ALEN];
  57         uint    ieee8021x_blocked;      /*0: allowed, 1:blocked */
  58         uint    XPrivacy; /*aes, tkip...*/
  59         union Keytype   tkiptxmickey;
  60         union Keytype   tkiprxmickey;
  61         union Keytype   x_UncstKey;
  62         union pn48              txpn;   /* PN48 used for Unicast xmit.*/
  63         union pn48              rxpn;   /* PN48 used for Unicast recv.*/
  64         u8      bssrateset[16];
  65         uint    bssratelen;
  66         s32  rssi;
  67         s32     signal_quality;
  68         struct stainfo_stats sta_stats;
  69         /*for A-MPDU Rx reordering buffer control */
  70         struct recv_reorder_ctrl recvreorder_ctrl[16];
  71         struct ht_priv  htpriv;
  72         /* Notes:
  73          * STA_Mode:
  74          * curr_network(mlme_priv/security_priv/qos/ht)
  75          *   + sta_info: (STA & AP) CAP/INFO
  76          * scan_q: AP CAP/INFO
  77          * AP_Mode:
  78          * curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO
  79          * sta_info: (AP & STA) CAP/INFO
  80          */
  81         struct list_head asoc_list;
  82         struct list_head auth_list;
  83         unsigned int expire_to;
  84         unsigned int auth_seq;
  85         unsigned int authalg;
  86         unsigned char chg_txt[128];
  87         unsigned int tx_ra_bitmap;
  88 };
  89 
  90 struct  sta_priv {
  91         u8 *pallocated_stainfo_buf;
  92         u8 *pstainfo_buf;
  93         struct  __queue free_sta_queue;
  94         spinlock_t sta_hash_lock;
  95         struct list_head sta_hash[NUM_STA];
  96         int asoc_sta_count;
  97         struct  __queue sleep_q;
  98         struct  __queue wakeup_q;
  99         struct _adapter *padapter;
 100         struct list_head asoc_list;
 101         struct list_head auth_list;
 102         unsigned int auth_to;  /* sec, time to expire in authenticating. */
 103         unsigned int assoc_to; /* sec, time to expire before associating. */
 104         unsigned int expire_to; /* sec , time to expire after associated. */
 105 };
 106 
 107 static inline u32 wifi_mac_hash(u8 *mac)
 108 {
 109         u32 x;
 110 
 111         x = mac[0];
 112         x = (x << 2) ^ mac[1];
 113         x = (x << 2) ^ mac[2];
 114         x = (x << 2) ^ mac[3];
 115         x = (x << 2) ^ mac[4];
 116         x = (x << 2) ^ mac[5];
 117         x ^= x >> 8;
 118         x  = x & (NUM_STA - 1);
 119         return x;
 120 }
 121 
 122 int _r8712_init_sta_priv(struct sta_priv *pstapriv);
 123 void _r8712_free_sta_priv(struct sta_priv *pstapriv);
 124 struct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv,
 125                                      u8 *hwaddr);
 126 void r8712_free_stainfo(struct _adapter *padapter, struct sta_info *psta);
 127 void r8712_free_all_stainfo(struct _adapter *padapter);
 128 struct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr);
 129 void r8712_init_bcmc_stainfo(struct _adapter *padapter);
 130 struct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter);
 131 u8 r8712_access_ctrl(struct wlan_acl_pool *pacl_list, u8 *mac_addr);
 132 
 133 #endif /* _STA_INFO_H_ */
 134