2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2010-2011 Monthadar Al Jaberi, TerraNet AB
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer,
12 * without modification.
13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
15 * redistribution must be conditioned upon including a substantially
16 * similar Disclaimer requirement for further binary redistribution.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
22 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
23 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
24 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
27 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
29 * THE POSSIBILITY OF SUCH DAMAGES.
34 #ifndef _DEV_WTAP_WTAPVAR_H
35 #define _DEV_WTAP_WTAPVAR_H
37 #include <sys/param.h>
39 #include <sys/module.h>
40 #include <sys/kernel.h>
41 #include <sys/systm.h>
42 #include <sys/sysctl.h>
44 #include <sys/malloc.h>
46 #include <sys/mutex.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 callout av_swba; /* software beacon alert */
120 uint32_t av_bcinterval; /* beacon interval */
121 void (*av_recv_mgmt)(struct ieee80211_node *,
122 struct mbuf *, int, const struct ieee80211_rx_stats *, int, int);
123 int (*av_newstate)(struct ieee80211vap *,
124 enum ieee80211_state, int);
125 void (*av_bmiss)(struct ieee80211vap *);
127 #define WTAP_VAP(vap) ((struct wtap_vap *)(vap))
132 struct ieee80211com sc_ic;
133 char name[7]; /* wtapXX\0 */
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 struct mtx sc_mtx; /* master lock (recursive) */
141 struct taskqueue *sc_tq; /* private task queue */
142 wtap_bufhead sc_rxbuf; /* receive buffer */
143 struct task sc_rxtask; /* rx int processing */
144 struct wtap_tx_radiotap_header sc_tx_th;
146 struct wtap_rx_radiotap_header sc_rx_th;
150 int32_t wtap_attach(struct wtap_softc *, const uint8_t *macaddr);
151 int32_t wtap_detach(struct wtap_softc *);
152 void wtap_resume(struct wtap_softc *);
153 void wtap_suspend(struct wtap_softc *);
154 void wtap_shutdown(struct wtap_softc *);
155 void wtap_intr(struct wtap_softc *);
156 void wtap_inject(struct wtap_softc *, struct mbuf *);
157 void wtap_rx_deliver(struct wtap_softc *, struct mbuf *);