drivers/net/wireless/intersil/hostap/hostap_80211.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef HOSTAP_80211_H
   3 #define HOSTAP_80211_H
   4
   5 #include <linux/types.h>
   6 #include <linux/skbuff.h>
   7 #include <linux/netdevice.h>
   8
   9 struct hostap_ieee80211_mgmt {
  10         __le16 frame_control;
  11         __le16 duration;
  12         u8 da[6];
  13         u8 sa[6];
  14         u8 bssid[6];
  15         __le16 seq_ctrl;
  16         union {
  17                 struct {
  18                         __le16 auth_alg;
  19                         __le16 auth_transaction;
  20                         __le16 status_code;
  21                         /* possibly followed by Challenge text */
  22                         u8 variable[0];
  23                 } __packed auth;
  24                 struct {
  25                         __le16 reason_code;
  26                 } __packed deauth;
  27                 struct {
  28                         __le16 capab_info;
  29                         __le16 listen_interval;
  30                         /* followed by SSID and Supported rates */
  31                         u8 variable[0];
  32                 } __packed assoc_req;
  33                 struct {
  34                         __le16 capab_info;
  35                         __le16 status_code;
  36                         __le16 aid;
  37                         /* followed by Supported rates */
  38                         u8 variable[0];
  39                 } __packed assoc_resp, reassoc_resp;
  40                 struct {
  41                         __le16 capab_info;
  42                         __le16 listen_interval;
  43                         u8 current_ap[6];
  44                         /* followed by SSID and Supported rates */
  45                         u8 variable[0];
  46                 } __packed reassoc_req;
  47                 struct {
  48                         __le16 reason_code;
  49                 } __packed disassoc;
  50                 struct {
  51                 } __packed probe_req;
  52                 struct {
  53                         u8 timestamp[8];
  54                         __le16 beacon_int;
  55                         __le16 capab_info;
  56                         /* followed by some of SSID, Supported rates,
  57                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
  58                         u8 variable[0];
  59                 } __packed beacon, probe_resp;
  60         } u;
  61 } __packed;
  62
  63
  64 #define IEEE80211_MGMT_HDR_LEN 24
  65 #define IEEE80211_DATA_HDR3_LEN 24
  66 #define IEEE80211_DATA_HDR4_LEN 30
  67
  68
  69 struct hostap_80211_rx_status {
  70         u32 mac_time;
  71         u8 signal;
  72         u8 noise;
  73         u16 rate; /* in 100 kbps */
  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 netdev_tx_t hostap_data_start_xmit(struct sk_buff *skb,
  91                                    struct net_device *dev);
  92 netdev_tx_t hostap_mgmt_start_xmit(struct sk_buff *skb,
  93                                    struct net_device *dev);
  94 netdev_tx_t hostap_master_start_xmit(struct sk_buff *skb,
  95                                      struct net_device *dev);
  96
  97 #endif /* HOSTAP_80211_H */