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
 9struct 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
69struct 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 */
77enum {
78	PRISM2_RX_MONITOR, PRISM2_RX_MGMT, PRISM2_RX_NON_ASSOC,
79	PRISM2_RX_NULLFUNC_ACK
80};
81
82int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb,
83		    struct hostap_80211_rx_status *rx_stats, int type);
84void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
85		     struct hostap_80211_rx_status *rx_stats);
86void hostap_dump_rx_80211(const char *name, struct sk_buff *skb,
87			  struct hostap_80211_rx_status *rx_stats);
88
89void hostap_dump_tx_80211(const char *name, struct sk_buff *skb);
90netdev_tx_t hostap_data_start_xmit(struct sk_buff *skb,
91				   struct net_device *dev);
92netdev_tx_t hostap_mgmt_start_xmit(struct sk_buff *skb,
93				   struct net_device *dev);
94netdev_tx_t hostap_master_start_xmit(struct sk_buff *skb,
95				     struct net_device *dev);
96
97#endif /* HOSTAP_80211_H */