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1 #ifndef HOSTAP_80211_H
2 #define HOSTAP_80211_H
3 
4 #include <linux/types.h>
5 #include <net/ieee80211.h>
6 
7 struct hostap_ieee80211_mgmt {
8 	__le16 frame_control;
9 	__le16 duration;
10 	u8 da[6];
11 	u8 sa[6];
12 	u8 bssid[6];
13 	__le16 seq_ctrl;
14 	union {
15 		struct {
16 			__le16 auth_alg;
17 			__le16 auth_transaction;
18 			__le16 status_code;
19 			/* possibly followed by Challenge text */
20 			u8 variable[0];
21 		} __attribute__ ((packed)) auth;
22 		struct {
23 			__le16 reason_code;
24 		} __attribute__ ((packed)) deauth;
25 		struct {
26 			__le16 capab_info;
27 			__le16 listen_interval;
28 			/* followed by SSID and Supported rates */
29 			u8 variable[0];
30 		} __attribute__ ((packed)) assoc_req;
31 		struct {
32 			__le16 capab_info;
33 			__le16 status_code;
34 			__le16 aid;
35 			/* followed by Supported rates */
36 			u8 variable[0];
37 		} __attribute__ ((packed)) assoc_resp, reassoc_resp;
38 		struct {
39 			__le16 capab_info;
40 			__le16 listen_interval;
41 			u8 current_ap[6];
42 			/* followed by SSID and Supported rates */
43 			u8 variable[0];
44 		} __attribute__ ((packed)) reassoc_req;
45 		struct {
46 			__le16 reason_code;
47 		} __attribute__ ((packed)) disassoc;
48 		struct {
49 		} __attribute__ ((packed)) probe_req;
50 		struct {
51 			u8 timestamp[8];
52 			__le16 beacon_int;
53 			__le16 capab_info;
54 			/* followed by some of SSID, Supported rates,
55 			 * FH Params, DS Params, CF Params, IBSS Params, TIM */
56 			u8 variable[0];
57 		} __attribute__ ((packed)) beacon, probe_resp;
58 	} u;
59 } __attribute__ ((packed));
60 
61 
62 #define IEEE80211_MGMT_HDR_LEN 24
63 #define IEEE80211_DATA_HDR3_LEN 24
64 #define IEEE80211_DATA_HDR4_LEN 30
65 
66 
67 struct hostap_80211_rx_status {
68 	u32 mac_time;
69 	u8 signal;
70 	u8 noise;
71 	u16 rate; /* in 100 kbps */
72 };
73 
74 /* prism2_rx_80211 'type' argument */
75 enum {
76 	PRISM2_RX_MONITOR, PRISM2_RX_MGMT, PRISM2_RX_NON_ASSOC,
77 	PRISM2_RX_NULLFUNC_ACK
78 };
79 
80 int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb,
81 		    struct hostap_80211_rx_status *rx_stats, int type);
82 void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
83 		     struct hostap_80211_rx_status *rx_stats);
84 void hostap_dump_rx_80211(const char *name, struct sk_buff *skb,
85 			  struct hostap_80211_rx_status *rx_stats);
86 
87 void hostap_dump_tx_80211(const char *name, struct sk_buff *skb);
88 int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev);
89 int hostap_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev);
90 int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev);
91 
92 #endif /* HOSTAP_80211_H */
93