FreeBSD/Linux Kernel Cross Reference
sys/dev/wtap/wtap_hal/hal.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2010-2011 Monthadar Al Jaberi, TerraNet AB
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer,
     *    without modification.
     * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
     *    redistribution must be conditioned upon including a substantially
     *    similar Disclaimer requirement for further binary redistribution.
     *
     * NO WARRANTY
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
     * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
     * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
     * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
     * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     * THE POSSIBILITY OF SUCH DAMAGES.
     *
     * $FreeBSD$
     */
    
    #ifndef _WTAP_HAL_H_
    #define _WTAP_HAL_H_
    
    #include "../if_wtapvar.h"
    #include "../plugins/wtap_plugin.h"
    #include "handler.h"
    
    #define HAL_TIMER_INTVAL        50 /* in msecs */
    
    struct wtap_hal {
            struct wtap_medium      *hal_md;
            struct mtx              hal_mtx;
            struct wtap_plugin      *plugin;
            struct wtap_softc       *hal_devs[MAX_NBR_WTAP];
            /* hardware information */
            struct hw {
                    struct callout timer_intr;
                    uint32_t timer_intr_intval;
                    uint64_t tsf;
            } hw;
    };
    
    void init_hal(struct wtap_hal *);
    void deinit_hal(struct wtap_hal *);
    void register_plugin(struct wtap_hal *, struct wtap_plugin *);
    void deregister_plugin(struct wtap_hal *);
    int32_t new_wtap(struct wtap_hal *, int32_t id);
    int32_t free_wtap(struct wtap_hal *, int32_t id);
    void wtap_hal_timer_intr(void *);
    void wtap_hal_reset_tsf(struct wtap_hal *);
    uint64_t wtap_hal_get_tsf(struct wtap_hal *);
    
    #endif

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