1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*-
* Copyright (c) 2010-2011 Monthadar Al Jaberi, TerraNet AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*
* $FreeBSD$
*/
#ifndef _DEV_WTAP_WTAPVAR_H
#define _DEV_WTAP_WTAPVAR_H
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/module.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/sysctl.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/types.h>
#include <sys/sockio.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/errno.h>
#include <sys/callout.h>
#include <sys/endian.h>
#include <sys/kthread.h>
#include <sys/taskqueue.h>
#include <sys/priv.h>
#include <sys/sysctl.h>
#include <machine/bus.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <net/if_arp.h>
#include <net/ethernet.h>
#include <net/if_llc.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_regdomain.h>
#include <net/bpf.h>
#include <net/vnet.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#if 0
#define DWTAP_PRINTF(...) printf(__VA_ARGS__)
#else
#define DWTAP_PRINTF(...)
#endif
#include "if_wtapioctl.h"
#define MAX_NBR_WTAP (64)
#define BEACON_INTRERVAL (1000)
MALLOC_DECLARE(M_WTAP);
MALLOC_DECLARE(M_WTAP_PACKET);
MALLOC_DECLARE(M_WTAP_BEACON);
MALLOC_DECLARE(M_WTAP_RXBUF);
MALLOC_DECLARE(M_WTAP_PLUGIN);
/* driver-specific node state */
struct wtap_node {
struct ieee80211_node an_node; /* base class */
/* future addons */
};
#define WTAP_NODE(ni) ((struct ath_node *)(ni))
#define WTAP_NODE_CONST(ni) ((const struct ath_node *)(ni))
struct wtap_buf {
STAILQ_ENTRY(wtap_buf) bf_list;
struct mbuf *m; /* mbuf for buf */
};
typedef STAILQ_HEAD(, wtap_buf) wtap_bufhead;
#define WTAP_BUF_BUSY 0x00000002 /* (tx) desc owned by h/w */
struct wtap_vap {
struct ieee80211vap av_vap; /* base class */
int32_t id; /* wtap id */
struct cdev *av_dev; /* userspace injecting frames */
struct wtap_medium *av_md; /* back pointer */
struct mbuf *beacon; /* beacon */
struct ieee80211_node *bf_node; /* pointer to the node */
struct ieee80211_beacon_offsets av_boff;/* dynamic update state */
struct callout av_swba; /* software beacon alert */
uint32_t av_bcinterval; /* beacon interval */
void (*av_recv_mgmt)(struct ieee80211_node *,
struct mbuf *, int, int, int);
int (*av_newstate)(struct ieee80211vap *,
enum ieee80211_state, int);
void (*av_bmiss)(struct ieee80211vap *);
};
#define WTAP_VAP(vap) ((struct wtap_vap *)(vap))
struct taskqueue;
struct wtap_softc {
int32_t id;
int32_t up;
struct ifnet *sc_ifp; /* interface common */
struct wtap_medium *sc_md; /* interface medium */
struct ieee80211_node* (* sc_node_alloc)
(struct ieee80211vap *, const uint8_t [IEEE80211_ADDR_LEN]);
void (*sc_node_free)(struct ieee80211_node *);
int (*if_output) /* output routine (enqueue) */
(struct ifnet *, struct mbuf *, struct sockaddr *, struct route *);
void (*if_input) (struct ifnet *, struct mbuf *);/* from h/w driver */
int (*if_transmit)(struct ifnet *, struct mbuf *);/* output routine */
struct mtx sc_mtx; /* master lock (recursive) */
struct taskqueue *sc_tq; /* private task queue */
wtap_bufhead sc_rxbuf; /* receive buffer */
struct task sc_rxtask; /* rx int processing */
struct wtap_tx_radiotap_header sc_tx_th;
int sc_tx_th_len;
struct wtap_rx_radiotap_header sc_rx_th;
int sc_rx_th_len;
};
int32_t wtap_attach(struct wtap_softc *, const uint8_t *macaddr);
int32_t wtap_detach(struct wtap_softc *);
void wtap_resume(struct wtap_softc *);
void wtap_suspend(struct wtap_softc *);
void wtap_shutdown(struct wtap_softc *);
void wtap_intr(struct wtap_softc *);
void wtap_inject(struct wtap_softc *, struct mbuf *);
void wtap_rx_deliver(struct wtap_softc *, struct mbuf *);
#endif
|
