drivers/net/wireless/hostap/hostap_80211.h

   1 #ifndef HOSTAP_80211_H
   2 #define HOSTAP_80211_H
   3
   4 struct hostap_ieee80211_hdr {
   5         u16 frame_control;
   6         u16 duration_id;
   7         u8 addr1[6];
   8         u8 addr2[6];
   9         u8 addr3[6];
  10         u16 seq_ctrl;
  11         u8 addr4[6];
  12 } __attribute__ ((packed));
  13
  14
  15 struct hostap_ieee80211_mgmt {
  16         u16 frame_control;
  17         u16 duration;
  18         u8 da[6];
  19         u8 sa[6];
  20         u8 bssid[6];
  21         u16 seq_ctrl;
  22         union {
  23                 struct {
  24                         u16 auth_alg;
  25                         u16 auth_transaction;
  26                         u16 status_code;
  27                         /* possibly followed by Challenge text */
  28                         u8 variable[0];
  29                 } __attribute__ ((packed)) auth;
  30                 struct {
  31                         u16 reason_code;
  32                 } __attribute__ ((packed)) deauth;
  33                 struct {
  34                         u16 capab_info;
  35                         u16 listen_interval;
  36                         /* followed by SSID and Supported rates */
  37                         u8 variable[0];
  38                 } __attribute__ ((packed)) assoc_req;
  39                 struct {
  40                         u16 capab_info;
  41                         u16 status_code;
  42                         u16 aid;
  43                         /* followed by Supported rates */
  44                         u8 variable[0];
  45                 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
  46                 struct {
  47                         u16 capab_info;
  48                         u16 listen_interval;
  49                         u8 current_ap[6];
  50                         /* followed by SSID and Supported rates */
  51                         u8 variable[0];
  52                 } __attribute__ ((packed)) reassoc_req;
  53                 struct {
  54                         u16 reason_code;
  55                 } __attribute__ ((packed)) disassoc;
  56                 struct {
  57                 } __attribute__ ((packed)) probe_req;
  58                 struct {
  59                         u8 timestamp[8];
  60                         u16 beacon_int;
  61                         u16 capab_info;
  62                         /* followed by some of SSID, Supported rates,
  63                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
  64                         u8 variable[0];
  65                 } __attribute__ ((packed)) beacon, probe_resp;
  66         } u;
  67 } __attribute__ ((packed));
  68
  69
  70 #define IEEE80211_MGMT_HDR_LEN 24
  71 #define IEEE80211_DATA_HDR3_LEN 24
  72 #define IEEE80211_DATA_HDR4_LEN 30
  73
  74
  75 struct hostap_80211_rx_status {
  76         u32 mac_time;
  77         u8 signal;
  78         u8 noise;
  79         u16 rate; /* in 100 kbps */
  80 };
  81
  82
  83 void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
  84                      struct hostap_80211_rx_status *rx_stats);
  85
  86
  87 /* prism2_rx_80211 'type' argument */
  88 enum {
  89         PRISM2_RX_MONITOR, PRISM2_RX_MGMT, PRISM2_RX_NON_ASSOC,
  90         PRISM2_RX_NULLFUNC_ACK
  91 };
  92
  93 int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb,
  94                     struct hostap_80211_rx_status *rx_stats, int type);
  95 void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
  96                      struct hostap_80211_rx_status *rx_stats);
  97 void hostap_dump_rx_80211(const char *name, struct sk_buff *skb,
  98                           struct hostap_80211_rx_status *rx_stats);
  99
 100 void hostap_dump_tx_80211(const char *name, struct sk_buff *skb);
 101 int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev);
 102 int hostap_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev);
 103 struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb,
 104                                    struct prism2_crypt_data *crypt);
 105 int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev);
 106
 107 #endif /* HOSTAP_80211_H */