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158 lines
4.8 KiB
C
158 lines
4.8 KiB
C
/*-
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* Copyright (c) 2010-2011 Monthadar Al Jaberi, TerraNet AB
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*
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* $FreeBSD$
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*/
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#ifndef _DEV_WTAP_WTAPVAR_H
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#define _DEV_WTAP_WTAPVAR_H
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/module.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/sysctl.h>
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#include <sys/mbuf.h>
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#include <sys/malloc.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/sockio.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/errno.h>
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#include <sys/callout.h>
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#include <sys/endian.h>
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#include <sys/kthread.h>
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#include <sys/taskqueue.h>
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#include <sys/priv.h>
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#include <sys/sysctl.h>
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#include <machine/bus.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/if_types.h>
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#include <net/if_arp.h>
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#include <net/ethernet.h>
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#include <net/if_llc.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_regdomain.h>
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#include <net/bpf.h>
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#include <net/vnet.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#if 0
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#define DWTAP_PRINTF(...) printf(__VA_ARGS__)
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#else
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#define DWTAP_PRINTF(...)
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#endif
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#include "if_wtapioctl.h"
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#define MAX_NBR_WTAP (64)
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#define BEACON_INTRERVAL (1000)
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MALLOC_DECLARE(M_WTAP);
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MALLOC_DECLARE(M_WTAP_PACKET);
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MALLOC_DECLARE(M_WTAP_BEACON);
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MALLOC_DECLARE(M_WTAP_RXBUF);
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MALLOC_DECLARE(M_WTAP_PLUGIN);
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/* driver-specific node state */
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struct wtap_node {
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struct ieee80211_node an_node; /* base class */
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/* future addons */
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};
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#define WTAP_NODE(ni) ((struct ath_node *)(ni))
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#define WTAP_NODE_CONST(ni) ((const struct ath_node *)(ni))
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struct wtap_buf {
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STAILQ_ENTRY(wtap_buf) bf_list;
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struct mbuf *m; /* mbuf for buf */
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};
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typedef STAILQ_HEAD(, wtap_buf) wtap_bufhead;
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#define WTAP_BUF_BUSY 0x00000002 /* (tx) desc owned by h/w */
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struct wtap_vap {
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struct ieee80211vap av_vap; /* base class */
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int32_t id; /* wtap id */
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struct cdev *av_dev; /* userspace injecting frames */
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struct wtap_medium *av_md; /* back pointer */
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struct mbuf *beacon; /* beacon */
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struct ieee80211_node *bf_node; /* pointer to the node */
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struct callout av_swba; /* software beacon alert */
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uint32_t av_bcinterval; /* beacon interval */
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void (*av_recv_mgmt)(struct ieee80211_node *,
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struct mbuf *, int, const struct ieee80211_rx_stats *, int, int);
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int (*av_newstate)(struct ieee80211vap *,
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enum ieee80211_state, int);
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void (*av_bmiss)(struct ieee80211vap *);
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};
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#define WTAP_VAP(vap) ((struct wtap_vap *)(vap))
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struct taskqueue;
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struct wtap_softc {
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struct ieee80211com sc_ic;
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char name[7]; /* wtapXX\0 */
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int32_t id;
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int32_t up;
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struct wtap_medium *sc_md; /* interface medium */
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struct ieee80211_node* (* sc_node_alloc)
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(struct ieee80211vap *, const uint8_t [IEEE80211_ADDR_LEN]);
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void (*sc_node_free)(struct ieee80211_node *);
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struct mtx sc_mtx; /* master lock (recursive) */
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struct taskqueue *sc_tq; /* private task queue */
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wtap_bufhead sc_rxbuf; /* receive buffer */
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struct task sc_rxtask; /* rx int processing */
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struct wtap_tx_radiotap_header sc_tx_th;
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int sc_tx_th_len;
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struct wtap_rx_radiotap_header sc_rx_th;
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int sc_rx_th_len;
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};
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int32_t wtap_attach(struct wtap_softc *, const uint8_t *macaddr);
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int32_t wtap_detach(struct wtap_softc *);
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void wtap_resume(struct wtap_softc *);
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void wtap_suspend(struct wtap_softc *);
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void wtap_shutdown(struct wtap_softc *);
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void wtap_intr(struct wtap_softc *);
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void wtap_inject(struct wtap_softc *, struct mbuf *);
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void wtap_rx_deliver(struct wtap_softc *, struct mbuf *);
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#endif
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