1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2010-2011 Monthadar Al Jaberi, TerraNet AB 5 * All rights reserved. 6 * 7 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer, 15 * without modification. 16 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 17 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 18 * redistribution must be conditioned upon including a substantially 19 * similar Disclaimer requirement for further binary redistribution. 20 * 21 * NO WARRANTY 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 25 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 26 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 27 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 30 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGES. 33 * 34 * $FreeBSD$ 35 */ 36 37 #ifndef __DEV_WTAP_MEDIUM_H__ 38 #define __DEV_WTAP_MEDIUM_H__ 39 40 #include "if_wtapvar.h" 41 #include "wtap_hal/handler.h" 42 43 struct packet { 44 STAILQ_ENTRY(packet) pf_list; 45 struct mbuf * m; 46 int id; 47 }; 48 typedef STAILQ_HEAD(, packet) md_pkthead; 49 50 struct wtap_medium { 51 struct mtx md_mtx; 52 #if 0 53 int visibility[MAX_NBR_WTAP]; 54 struct stailhead *headp; 55 packet_head pktbuf; 56 STAILQ_HEAD(stailhead, packet) pktbuf; 57 STAILQ_HEAD(stailhead, packet) pktbuf; 58 /* = STAILQ_HEAD_INITIALIZER(head); */ 59 #endif 60 /* 0 means we drop packets, 1 we queue them */ 61 int open; 62 md_pkthead md_pktbuf; /* master queue */ 63 struct eventhandler *tx_handler; 64 struct timehandler *bc_handler; 65 }; 66 67 extern void init_medium(struct wtap_medium *); 68 extern void deinit_medium(struct wtap_medium *); 69 extern void medium_open(struct wtap_medium *); 70 extern void medium_close(struct wtap_medium *); 71 extern int medium_transmit(struct wtap_medium *, int id, struct mbuf*); 72 extern struct packet *medium_get_next_packet(struct wtap_medium *); 73 74 #endif /* __DEV_WTAP_MEDIUM_H__ */ 75