| 1 | /*-
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| 2 | * Copyright (c) 2010, 2011 Rick van der Zwet <info@rickvanderzwet.nl>
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| 3 | *
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| 4 | * Permission to use, copy, modify, and distribute this software for any
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| 5 | * purpose with or without fee is hereby granted, provided that the above
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| 6 | * copyright notice and this permission notice appear in all copies.
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| 7 | *
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| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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| 15 | */
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| 16 |
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| 17 | /*-
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| 18 | * Copyright (c) 2008 Johann Christian Rode <jcrode@gmx.net>
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| 19 | *
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| 20 | * Permission to use, copy, modify, and distribute this software for any
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| 21 | * purpose with or without fee is hereby granted, provided that the above
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| 22 | * copyright notice and this permission notice appear in all copies.
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| 23 | *
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| 24 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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| 25 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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| 26 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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| 27 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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| 28 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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| 29 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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| 30 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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| 31 | */
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| 32 |
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| 33 | /*-
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| 34 | * Copyright (c) 1997, 1998, 1999, 2000-2003
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| 35 | * Bill Paul <wpaul@windriver.com>. All rights reserved.
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| 36 | *
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| 37 | * Redistribution and use in source and binary forms, with or without
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| 38 | * modification, are permitted provided that the following conditions
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| 39 | * are met:
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| 40 | * 1. Redistributions of source code must retain the above copyright
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| 41 | * notice, this list of conditions and the following disclaimer.
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| 42 | * 2. Redistributions in binary form must reproduce the above copyright
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| 43 | * notice, this list of conditions and the following disclaimer in the
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| 44 | * documentation and/or other materials provided with the distribution.
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| 45 | * 3. All advertising materials mentioning features or use of this software
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| 46 | * must display the following acknowledgement:
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| 47 | * This product includes software developed by Ravikanth.
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| 48 | * 4. Neither the name of the author nor the names of any co-contributors
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| 49 | * may be used to endorse or promote products derived from this software
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| 50 | * without specific prior written permission.
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| 51 | *
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| 52 | * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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| 53 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 54 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 55 | * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul, THE VOICES IN HIS HEAD OR
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| 56 | * THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 57 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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| 58 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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| 59 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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| 60 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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| 61 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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| 62 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 63 | *
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| 64 | */
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| 65 |
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| 66 | /*
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| 67 | * Register definitions for the Moschip MCS7x30 ethernet controller.
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| 68 | */
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| 69 | #define MOS_MCAST_TABLE 0x00
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| 70 | #define MOS_IPG0 0x08
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| 71 | #define MOS_IPG1 0x09
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| 72 | #define MOS_PHY_DATA0 0x0a
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| 73 | #define MOS_PHY_DATA1 0x0b
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| 74 | #define MOS_PHY_CTL 0x0c
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| 75 | #define MOS_PHY_STS 0x0d
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| 76 | #define MOS_PHY_DATA MOS_PHY_DATA0
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| 77 | #define MOS_CTL 0x0e
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| 78 | #define MOS_MAC0 0x0f
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| 79 | #define MOS_MAC1 0x10
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| 80 | #define MOS_MAC2 0x11
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| 81 | #define MOS_MAC3 0x12
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| 82 | #define MOS_MAC4 0x13
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| 83 | #define MOS_MAC5 0x14
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| 84 | #define MOS_MAC MOS_MAC0
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| 85 | /* apparently only available on hardware rev. C */
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| 86 | #define MOS_FRAME_DROP_CNT 0x15
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| 87 | #define MOS_PAUSE_TRHD 0x16
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| 88 |
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| 89 | #define MOS_PHYCTL_PHYADDR 0x1f
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| 90 | #define MOS_PHYCTL_WRITE 0x20
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| 91 | #define MOS_PHYCTL_READ 0x40
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| 92 |
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| 93 | #define MOS_PHYSTS_PHYREG 0x1f
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| 94 | #define MOS_PHYSTS_READY 0x40
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| 95 | #define MOS_PHYSTS_PENDING 0x80
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| 96 |
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| 97 | #define MOS_CTL_RX_PROMISC 0x01
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| 98 | #define MOS_CTL_ALLMULTI 0x02
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| 99 | #define MOS_CTL_SLEEP 0x04
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| 100 | #define MOS_CTL_TX_ENB 0x08
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| 101 | /*
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| 102 | * The documentation calls this bit 'reserved', but in the FreeBSD driver
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| 103 | * provided by the vendor, this enables the receiver.
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| 104 | */
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| 105 | #define MOS_CTL_RX_ENB 0x10
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| 106 | #define MOS_CTL_FDX_ENB 0x20
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| 107 | /* 0 = 10 Mbps, 1 = 100 Mbps */
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| 108 | #define MOS_CTL_SPEEDSEL 0x40
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| 109 | /* 0 = PHY controls speed/duplex mode, 1 = bridge controls speed/duplex mode */
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| 110 | #define MOS_CTL_BS_ENB 0x80
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| 111 |
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| 112 | #define MOS_RXSTS_SHORT_FRAME 0x01
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| 113 | #define MOS_RXSTS_LENGTH_ERROR 0x02
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| 114 | #define MOS_RXSTS_ALIGN_ERROR 0x04
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| 115 | #define MOS_RXSTS_CRC_ERROR 0x08
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| 116 | #define MOS_RXSTS_LARGE_FRAME 0x10
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| 117 | #define MOS_RXSTS_VALID 0x20
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| 118 | /*
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| 119 | * The EtherType field of an Ethernet frame can contain values other than
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| 120 | * the frame length, hence length errors are ignored.
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| 121 | */
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| 122 | #define MOS_RXSTS_MASK 0x3d
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| 123 |
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| 124 | #define MOS_PAUSE_TRHD_DEFAULT 0
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| 125 | #define MOS_PAUSE_REWRITES 3
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| 126 |
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| 127 | #define MOS_TIMEOUT 1000
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| 128 |
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| 129 | #define MOS_RX_LIST_CNT 1
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| 130 | #define MOS_TX_LIST_CNT 1
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| 131 |
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| 132 | /* Maximum size of a fast ethernet frame plus one byte for the status */
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| 133 | #define MOS_BUFSZ (ETHER_MAX_LEN+1)
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| 134 |
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| 135 | /*
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| 136 | * USB endpoints.
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| 137 | */
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| 138 | #define MOS_ENDPT_RX 0
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| 139 | #define MOS_ENDPT_TX 1
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| 140 | #define MOS_ENDPT_INTR 2
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| 141 | #define MOS_ENDPT_MAX 3
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| 142 |
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| 143 | /*
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| 144 | * USB vendor requests.
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| 145 | */
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| 146 | #define MOS_UR_READREG 0x0e
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| 147 | #define MOS_UR_WRITEREG 0x0d
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| 148 |
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| 149 | #define MOS_CONFIG_NO 1
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| 150 | #define MOS_IFACE_IDX 0
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| 151 |
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| 152 | #define MCS7730 0x0001 /* MCS7730 */
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| 153 | #define MCS7830 0x0002 /* MCS7830 */
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| 154 |
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| 155 | #define MOS_INC(x, y) (x) = (x + 1) % y
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| 156 |
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| 157 | struct mos_softc {
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| 158 | struct usb_ether sc_ue;
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| 159 | struct ifnet ifp;
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| 160 |
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| 161 | u_int16_t mos_flags;
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| 162 |
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| 163 | int mos_link;
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| 164 | unsigned char mos_ipgs[2];
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| 165 | unsigned char mos_phyaddrs[2];
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| 166 |
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| 167 | struct mtx sc_mtx;
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| 168 | struct usb_xfer *sc_xfer[MOS_ENDPT_MAX];
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| 169 | };
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| 170 |
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| 171 | #define GET_MII(sc) uether_getmii(&(sc)->sc_ue)
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| 172 | #define MOS_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
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| 173 | #define MOS_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
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| 174 | #define MOS_LOCK_ASSERT(_sc, t) mtx_assert(&(_sc)->sc_mtx, t)
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