1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2010-2011 Monthadar Al Jaberi, TerraNet AB 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 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. 17 * 18 * NO WARRANTY 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. 30 */ 31 32 #ifndef _DEV_WTAP_WTAPVAR_H 33 #define _DEV_WTAP_WTAPVAR_H 34 35 #include <sys/param.h> 36 #include <sys/conf.h> 37 #include <sys/malloc.h> 38 39 #include <sys/sockio.h> 40 #include <sys/socket.h> 41 42 #include <net/if.h> 43 #include <net/if_media.h> 44 #include <net/ethernet.h> 45 46 #include <net80211/ieee80211_var.h> 47 #include <net80211/ieee80211_regdomain.h> 48 49 #if 0 50 #define DWTAP_PRINTF(...) printf(__VA_ARGS__) 51 #else 52 #define DWTAP_PRINTF(...) 53 #endif 54 55 #include "if_wtapioctl.h" 56 57 #define MAX_NBR_WTAP (64) 58 #define BEACON_INTRERVAL (1000) 59 60 MALLOC_DECLARE(M_WTAP); 61 MALLOC_DECLARE(M_WTAP_PACKET); 62 MALLOC_DECLARE(M_WTAP_BEACON); 63 MALLOC_DECLARE(M_WTAP_RXBUF); 64 MALLOC_DECLARE(M_WTAP_PLUGIN); 65 66 /* driver-specific node state */ 67 struct wtap_node { 68 struct ieee80211_node an_node; /* base class */ 69 /* future addons */ 70 }; 71 #define WTAP_NODE(ni) ((struct ath_node *)(ni)) 72 #define WTAP_NODE_CONST(ni) ((const struct ath_node *)(ni)) 73 74 struct wtap_buf { 75 STAILQ_ENTRY(wtap_buf) bf_list; 76 struct mbuf *m; /* mbuf for buf */ 77 }; 78 typedef STAILQ_HEAD(, wtap_buf) wtap_bufhead; 79 80 #define WTAP_BUF_BUSY 0x00000002 /* (tx) desc owned by h/w */ 81 82 struct wtap_vap { 83 struct ieee80211vap av_vap; /* base class */ 84 int32_t id; /* wtap id */ 85 struct cdev *av_dev; /* userspace injecting frames */ 86 struct wtap_medium *av_md; /* back pointer */ 87 struct mbuf *beacon; /* beacon */ 88 struct ieee80211_node *bf_node; /* pointer to the node */ 89 struct callout av_swba; /* software beacon alert */ 90 uint32_t av_bcinterval; /* beacon interval */ 91 void (*av_recv_mgmt)(struct ieee80211_node *, 92 struct mbuf *, int, const struct ieee80211_rx_stats *, int, int); 93 int (*av_newstate)(struct ieee80211vap *, 94 enum ieee80211_state, int); 95 void (*av_bmiss)(struct ieee80211vap *); 96 }; 97 #define WTAP_VAP(vap) ((struct wtap_vap *)(vap)) 98 99 struct taskqueue; 100 101 struct wtap_softc { 102 struct ieee80211com sc_ic; 103 char name[7]; /* wtapXX\0 */ 104 int32_t id; 105 int32_t up; 106 struct wtap_medium *sc_md; /* interface medium */ 107 struct wtap_hal *hal; 108 struct ieee80211_node* (* sc_node_alloc) 109 (struct ieee80211vap *, const uint8_t [IEEE80211_ADDR_LEN]); 110 void (*sc_node_free)(struct ieee80211_node *); 111 struct mtx sc_mtx; /* master lock (recursive) */ 112 struct taskqueue *sc_tq; /* private task queue */ 113 wtap_bufhead sc_rxbuf; /* receive buffer */ 114 struct task sc_rxtask; /* rx int processing */ 115 struct wtap_tx_radiotap_header sc_tx_th; 116 int sc_tx_th_len; 117 struct wtap_rx_radiotap_header sc_rx_th; 118 int sc_rx_th_len; 119 }; 120 121 int32_t wtap_attach(struct wtap_softc *, const uint8_t *macaddr); 122 int32_t wtap_detach(struct wtap_softc *); 123 void wtap_resume(struct wtap_softc *); 124 void wtap_suspend(struct wtap_softc *); 125 void wtap_shutdown(struct wtap_softc *); 126 void wtap_intr(struct wtap_softc *); 127 void wtap_inject(struct wtap_softc *, struct mbuf *); 128 129 #endif 130