drivers/net/wireless/hostap/hostap_80211.h

   1 #ifndef HOSTAP_80211_H
   2 #define HOSTAP_80211_H
   3
   4 struct hostap_ieee80211_mgmt {
   5         u16 frame_control;
   6         u16 duration;
   7         u8 da[6];
   8         u8 sa[6];
   9         u8 bssid[6];
  10         u16 seq_ctrl;
  11         union {
  12                 struct {
  13                         u16 auth_alg;
  14                         u16 auth_transaction;
  15                         u16 status_code;
  16                         /* possibly followed by Challenge text */
  17                         u8 variable[0];
  18                 } __attribute__ ((packed)) auth;
  19                 struct {
  20                         u16 reason_code;
  21                 } __attribute__ ((packed)) deauth;
  22                 struct {
  23                         u16 capab_info;
  24                         u16 listen_interval;
  25                         /* followed by SSID and Supported rates */
  26                         u8 variable[0];
  27                 } __attribute__ ((packed)) assoc_req;
  28                 struct {
  29                         u16 capab_info;
  30                         u16 status_code;
  31                         u16 aid;
  32                         /* followed by Supported rates */
  33                         u8 variable[0];
  34                 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
  35                 struct {
  36                         u16 capab_info;
  37                         u16 listen_interval;
  38                         u8 current_ap[6];
  39                         /* followed by SSID and Supported rates */
  40                         u8 variable[0];
  41                 } __attribute__ ((packed)) reassoc_req;
  42                 struct {
  43                         u16 reason_code;
  44                 } __attribute__ ((packed)) disassoc;
  45                 struct {
  46                 } __attribute__ ((packed)) probe_req;
  47                 struct {
  48                         u8 timestamp[8];
  49                         u16 beacon_int;
  50                         u16 capab_info;
  51                         /* followed by some of SSID, Supported rates,
  52                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
  53                         u8 variable[0];
  54                 } __attribute__ ((packed)) beacon, probe_resp;
  55         } u;
  56 } __attribute__ ((packed));
  57
  58
  59 #define IEEE80211_MGMT_HDR_LEN 24
  60 #define IEEE80211_DATA_HDR3_LEN 24
  61 #define IEEE80211_DATA_HDR4_LEN 30
  62
  63
  64 struct hostap_80211_rx_status {
  65         u32 mac_time;
  66         u8 signal;
  67         u8 noise;
  68         u16 rate; /* in 100 kbps */
  69 };
  70
  71
  72 void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
  73                      struct hostap_80211_rx_status *rx_stats);
  74
  75
  76 /* prism2_rx_80211 'type' argument */
  77 enum {
  78         PRISM2_RX_MONITOR, PRISM2_RX_MGMT, PRISM2_RX_NON_ASSOC,
  79         PRISM2_RX_NULLFUNC_ACK
  80 };
  81
  82 int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb,
  83                     struct hostap_80211_rx_status *rx_stats, int type);
  84 void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
  85                      struct hostap_80211_rx_status *rx_stats);
  86 void hostap_dump_rx_80211(const char *name, struct sk_buff *skb,
  87                           struct hostap_80211_rx_status *rx_stats);
  88
  89 void hostap_dump_tx_80211(const char *name, struct sk_buff *skb);
  90 int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev);
  91 int hostap_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev);
  92 struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb,
  93                                    struct ieee80211_crypt_data *crypt);
  94 int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev);
  95
  96 #endif /* HOSTAP_80211_H */