223 lines
8.1 KiB
C
223 lines
8.1 KiB
C
/* $OpenBSD: if_mskvar.h,v 1.16 2022/01/10 04:47:53 dlg Exp $ */
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/* $NetBSD: if_skvar.h,v 1.6 2005/05/30 04:35:22 christos Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/* $OpenBSD: if_mskvar.h,v 1.16 2022/01/10 04:47:53 dlg Exp $ */
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/*
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* Copyright (c) 1997, 1998, 1999, 2000
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* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $
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*/
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/*
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* Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _DEV_PCI_IF_MSKVAR_H_
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#define _DEV_PCI_IF_MSKVAR_H_
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#define SK_NTXSEG 30
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struct msk_chain_data {
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struct mbuf *sk_rx_mbuf[MSK_RX_RING_CNT];
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bus_dmamap_t sk_rx_maps[MSK_RX_RING_CNT];
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struct mbuf *sk_tx_mbuf[MSK_TX_RING_CNT];
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bus_dmamap_t sk_tx_maps[MSK_TX_RING_CNT];
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struct if_rxring sk_rx_ring;
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unsigned int sk_tx_prod;
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unsigned int sk_tx_cons;
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uint32_t sk_tx_hiaddr;
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unsigned int sk_rx_prod;
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unsigned int sk_rx_cons;
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uint32_t sk_rx_hiaddr;
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};
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struct msk_ring_data {
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struct msk_tx_desc sk_tx_ring[MSK_TX_RING_CNT];
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struct msk_rx_desc sk_rx_ring[MSK_RX_RING_CNT];
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};
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#define MSK_TX_RING_ADDR(sc, i) \
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((sc)->sk_ring_map->dm_segs[0].ds_addr + \
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offsetof(struct msk_ring_data, sk_tx_ring[(i)]))
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#define MSK_RX_RING_ADDR(sc, i) \
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((sc)->sk_ring_map->dm_segs[0].ds_addr + \
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offsetof(struct msk_ring_data, sk_rx_ring[(i)]))
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#define MSK_CDOFF(x) offsetof(struct msk_ring_data, x)
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#define MSK_CDTXOFF(x) MSK_CDOFF(sk_tx_ring[(x)])
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#define MSK_CDRXOFF(x) MSK_CDOFF(sk_rx_ring[(x)])
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#define MSK_CDSTOFF(x) ((x) * sizeof(uint64_t))
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#define MSK_CDTXSYNC(sc, x, n, ops) \
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do { \
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int __x, __n; \
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\
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__x = (x); \
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__n = (n); \
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\
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/* If it will wrap around, sync to the end of the ring. */ \
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if ((__x + __n) > MSK_TX_RING_CNT) { \
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bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \
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(sc)->sk_ring_map, MSK_CDTXOFF(__x), \
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sizeof(struct msk_tx_desc) * (MSK_TX_RING_CNT - __x), \
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(ops)); \
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__n -= (MSK_TX_RING_CNT - __x); \
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__x = 0; \
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} \
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\
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/* Now sync whatever is left. */ \
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bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \
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MSK_CDTXOFF((__x)), sizeof(struct msk_tx_desc) * __n, (ops)); \
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} while (/*CONSTCOND*/0)
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#define MSK_CDRXSYNC(sc, x, ops) \
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do { \
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bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \
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MSK_CDRXOFF((x)), sizeof(struct msk_rx_desc), (ops)); \
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} while (/*CONSTCOND*/0)
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#define MSK_CDSTSYNC(sc, x, ops) \
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do { \
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bus_dmamap_sync((sc)->sc_dmatag, (sc)->sk_status_map, \
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MSK_CDSTOFF((x)), sizeof(uint64_t), (ops)); \
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} while (/*CONSTCOND*/0)
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#define SK_INC(x, y) (x) = (x + 1) % y
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/* Forward decl. */
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struct sk_if_softc;
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struct msk_kstat;
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/* Softc for the Yukon-II controller. */
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struct sk_softc {
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struct device sk_dev; /* generic device */
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bus_space_handle_t sk_bhandle; /* bus space handle */
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bus_space_tag_t sk_btag; /* bus space tag */
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bus_size_t sk_bsize; /* bus space size */
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void *sk_intrhand; /* irq handler handle */
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pci_chipset_tag_t sk_pc;
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u_int8_t sk_fibertype;
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u_int8_t sk_type;
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u_int8_t sk_rev;
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u_int8_t sk_macs; /* # of MACs */
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char *sk_name;
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u_int32_t sk_ramsize; /* amount of RAM on NIC */
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u_int32_t sk_intrmask;
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bus_dma_tag_t sc_dmatag;
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struct sk_if_softc *sk_if[2];
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uint64_t *sk_status_ring;
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bus_dmamap_t sk_status_map;
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bus_dma_segment_t sk_status_seg;
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int sk_status_nseg;
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int sk_status_idx;
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};
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/* Softc for each logical interface */
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struct sk_if_softc {
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struct device sk_dev; /* generic device */
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struct arpcom arpcom; /* interface info */
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struct mii_data sk_mii;
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u_int8_t sk_port; /* port # on controller */
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u_int8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */
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u_int32_t sk_rx_ramstart;
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u_int32_t sk_rx_ramend;
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u_int32_t sk_tx_ramstart;
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u_int32_t sk_tx_ramend;
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int sk_pktlen;
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int sk_link;
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struct timeout sk_tick_ch;
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struct timeout sk_tick_rx;
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struct msk_chain_data sk_cdata;
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struct msk_ring_data *sk_rdata;
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bus_dmamap_t sk_ring_map;
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bus_dma_segment_t sk_ring_seg;
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int sk_ring_nseg;
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int sk_status_idx;
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struct sk_softc *sk_softc; /* parent controller */
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int sk_tx_bmu; /* TX BMU register */
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SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head;
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struct msk_kstat *sk_kstat;
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};
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struct skc_attach_args {
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u_int16_t skc_port;
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u_int8_t skc_type;
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u_int8_t skc_rev;
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};
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#define MSK_TX_TIMEOUT 5
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#endif /* _DEV_PCI_IF_MSKVAR_H_ */
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