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