FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/net/if_iphethvar.h

     /* $FreeBSD$ */
     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2010 Hans Petter Selasky. All rights reserved.
      * Copyright (c) 2009 Diego Giagio. 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.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
     */
    
    /*
     * Thanks to Diego Giagio for figuring out the programming details for
     * the Apple iPhone Ethernet driver.
     */
    
    #ifndef _IF_IPHETHVAR_H_
    #define _IF_IPHETHVAR_H_
    
    #define IPHETH_USBINTF_CLASS    255
    #define IPHETH_USBINTF_SUBCLASS 253
    #define IPHETH_USBINTF_PROTO    1
    
    #define IPHETH_BUF_SIZE         1514
    #define IPHETH_TX_TIMEOUT       5000    /* ms */
    
    #define IPHETH_RX_FRAMES_MAX    1
    #define IPHETH_TX_FRAMES_MAX    8
    
    #define IPHETH_RX_ADJ           2
    
    #define IPHETH_CFG_INDEX        0
    #define IPHETH_IF_INDEX         2
    #define IPHETH_ALT_INTFNUM      1
    
    #define IPHETH_CTRL_ENDP        0x00
    #define IPHETH_CTRL_BUF_SIZE    0x40
    #define IPHETH_CTRL_TIMEOUT     5000    /* ms */
    
    #define IPHETH_CMD_GET_MACADDR   0x00
    #define IPHETH_CMD_CARRIER_CHECK 0x45
    
    #define IPHETH_CARRIER_ON       0x04
    
    enum {
            IPHETH_BULK_TX,
            IPHETH_BULK_RX,
            IPHETH_N_TRANSFER,
    };
    
    struct ipheth_softc {
            struct usb_ether sc_ue;
            struct mtx sc_mtx;
    
            struct usb_xfer *sc_xfer[IPHETH_N_TRANSFER];
            struct mbuf *sc_rx_buf[IPHETH_RX_FRAMES_MAX];
            struct mbuf *sc_tx_buf[IPHETH_TX_FRAMES_MAX];
    
            uint8_t sc_data[IPHETH_CTRL_BUF_SIZE];
            uint8_t sc_iface_no;
            uint8_t sc_carrier_on;
    };
    
    #define IPHETH_LOCK(_sc)                        mtx_lock(&(_sc)->sc_mtx)
    #define IPHETH_UNLOCK(_sc)              mtx_unlock(&(_sc)->sc_mtx)
    #define IPHETH_LOCK_ASSERT(_sc, t)      mtx_assert(&(_sc)->sc_mtx, t)
    
    #endif                                  /* _IF_IPHETHVAR_H_ */

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