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 * 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 * $FreeBSD$ 32 */ 33 34 #ifndef _WTAP_HAL_H_ 35 #define _WTAP_HAL_H_ 36 37 #include "../if_wtapvar.h" 38 #include "../plugins/wtap_plugin.h" 39 #include "handler.h" 40 41 #define HAL_TIMER_INTVAL 50 /* in msecs */ 42 43 struct wtap_hal { 44 struct wtap_medium *hal_md; 45 struct mtx hal_mtx; 46 struct wtap_plugin *plugin; 47 struct wtap_softc *hal_devs[MAX_NBR_WTAP]; 48 /* hardware information */ 49 struct hw { 50 struct callout timer_intr; 51 uint32_t timer_intr_intval; 52 uint64_t tsf; 53 } hw; 54 }; 55 56 void init_hal(struct wtap_hal *); 57 void deinit_hal(struct wtap_hal *); 58 void register_plugin(struct wtap_hal *, struct wtap_plugin *); 59 void deregister_plugin(struct wtap_hal *); 60 int32_t new_wtap(struct wtap_hal *, int32_t id); 61 int32_t free_wtap(struct wtap_hal *, int32_t id); 62 void wtap_hal_timer_intr(void *); 63 void wtap_hal_reset_tsf(struct wtap_hal *); 64 uint64_t wtap_hal_get_tsf(struct wtap_hal *); 65 66 #endif 67