718cf2ccb9
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.
272 lines
8.4 KiB
C
272 lines
8.4 KiB
C
/* $NetBSD: pdqvar.h,v 1.27 2000/05/03 19:17:54 thorpej Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-NetBSD
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*
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* Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
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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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Id: pdqvar.h,v 1.21 1997/03/21 21:16:04 thomas Exp
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* $FreeBSD$
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*
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*/
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/*
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* DEC PDQ FDDI Controller; PDQ O/S dependent definitions
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*
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* Written by Matt Thomas
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*
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*/
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#if defined(PDQ_HWSUPPORT)
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/malloc.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_arp.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/fddi.h>
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#include <net/bpf.h>
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#include <vm/vm.h> /* for vtophys */
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#include <vm/pmap.h> /* for vtophys */
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#endif /* PDQ_HWSUPPORT */
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typedef struct _pdq_t pdq_t;
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typedef struct _pdq_csrs_t pdq_csrs_t;
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typedef struct _pdq_pci_csrs_t pdq_pci_csrs_t;
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typedef struct _pdq_lanaddr_t pdq_lanaddr_t;
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typedef unsigned int pdq_uint32_t;
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typedef unsigned short pdq_uint16_t;
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typedef unsigned char pdq_uint8_t;
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typedef enum _pdq_boolean_t pdq_boolean_t;
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typedef enum _pdq_type_t pdq_type_t;
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typedef enum _pdq_state_t pdq_state_t;
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typedef struct mbuf PDQ_OS_DATABUF_T;
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typedef bus_space_tag_t pdq_bus_t;
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typedef bus_space_handle_t pdq_bus_memaddr_t;
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typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
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extern devclass_t pdq_devclass;
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enum _pdq_type_t {
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PDQ_DEFPA, /* PCI-bus */
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};
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#define sc_ifmedia ifmedia
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#if 0 /* ALTQ */
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#define IFQ_DEQUEUE IF_DEQUEUE
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#define IFQ_IS_EMPTY(q) ((q)->ifq_len == 0)
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#endif
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typedef struct _pdq_os_ctx_t {
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struct ifnet *ifp;
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struct ifmedia ifmedia;
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device_t dev;
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int debug;
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pdq_t * sc_pdq;
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int sc_flags;
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#define PDQIF_DOWNCALL 0x0001 /* active calling from if to pdq */
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struct resource * io;
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int io_rid;
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int io_type;
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bus_space_handle_t io_bsh;
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bus_space_tag_t io_bst;
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struct resource * mem;
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int mem_rid;
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int mem_type;
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bus_space_handle_t mem_bsh;
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bus_space_tag_t mem_bst;
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struct resource * irq;
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int irq_rid;
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void * irq_ih;
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struct mtx mtx;
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struct callout watchdog;
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int timer;
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} pdq_softc_t;
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#define PDQ_LOCK(_sc) mtx_lock(&(_sc)->mtx)
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#define PDQ_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx)
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#define PDQ_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->mtx, MA_OWNED)
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#define PDQ_OS_HDR_OFFSET PDQ_RX_FC_OFFSET
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#define PDQ_OS_PAGESIZE PAGE_SIZE
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#define PDQ_OS_TX_TRANSMIT 5
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#define PDQ_OS_IORD_32(bt, bh, off) bus_space_read_4(bt, bh, off)
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#define PDQ_OS_IOWR_32(bt, bh, off, data) bus_space_write_4(bt, bh, off, data)
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#define PDQ_OS_IORD_8(bt, bh, off) bus_space_read_1(bt, bh, off)
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#define PDQ_OS_IOWR_8(bt, bh, off, data) bus_space_write_1(bt, bh, off, data)
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#define PDQ_CSR_OFFSET(base, offset) (0 + (offset)*sizeof(pdq_uint32_t))
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#define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_IOWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
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#define PDQ_CSR_READ(csr, name) PDQ_OS_IORD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
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#define PDQ_OS_DATABUF_FREE(pdq, b) (m_freem(b))
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#if defined(PDQ_OSSUPPORT)
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#define PDQ_OS_TX_TIMEOUT 5 /* seconds */
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#define PDQ_OS_IFP_TO_SOFTC(ifp) ((pdq_softc_t *) (ifp)->if_softc)
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#define PDQ_BPF_MTAP(sc, m) BPF_MTAP((sc)->ifp, m)
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#define PDQ_IFNET(sc) ((sc)->ifp)
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#endif /* PDQ_OSSUPPORT */
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#if defined(PDQ_HWSUPPORT)
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#define PDQ_OS_PREFIX "%s: "
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#define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name
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#define PDQ_OS_PTR_FMT "%p"
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#define PDQ_OS_CSR_FMT "0x%x"
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#define PDQ_OS_USEC_DELAY(n) DELAY(n)
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#define PDQ_OS_VA_TO_BUSPA(pdq, p) vtophys(p)
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#define PDQ_OS_MEMALLOC(n) malloc(n, M_DEVBUF, M_NOWAIT)
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#define PDQ_OS_MEMFREE(p, n) free((void *) p, M_DEVBUF)
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#define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n))
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#define PDQ_OS_MEMALLOC_CONTIG(n) contigmalloc(n, M_DEVBUF, M_NOWAIT, 0x800000, ~0, PAGE_SIZE, 0)
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#define PDQ_OS_MEMFREE_CONTIG(p, n) contigfree(p, n, M_DEVBUF)
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#define PDQ_OS_DATABUF_SIZE (MCLBYTES)
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#define PDQ_OS_DATABUF_NEXT(b) ((b)->m_next)
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#define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->m_next = (b1))
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#define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->m_nextpkt)
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#define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->m_nextpkt = (b1))
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#define PDQ_OS_DATABUF_LEN(b) ((b)->m_len)
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#define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->m_len = (n))
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/* #define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->m_len += (n)) */
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#define PDQ_OS_DATABUF_PTR(b) (mtod((b), pdq_uint8_t *))
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#define PDQ_OS_DATABUF_ADJ(b, n) ((b)->m_data += (n), (b)->m_len -= (n))
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#define PDQ_OS_DATABUF_ALLOC(pdq, b) do { \
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PDQ_OS_DATABUF_T *x_m0; \
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MGETHDR(x_m0, M_NOWAIT, MT_DATA); \
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if (x_m0 != NULL) { \
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if (!(MCLGET(x_m0, M_NOWAIT))) { \
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m_free(x_m0); \
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(b) = NULL; \
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} else { \
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(b) = x_m0; \
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x_m0->m_len = PDQ_OS_DATABUF_SIZE; \
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} \
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} else { \
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(b) = NULL; \
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} \
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} while (0)
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#define PDQ_OS_DATABUF_RESET(b) ((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES)
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#define PDQ_OS_DATABUF_ENQUEUE(q, b) do { \
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PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
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if ((q)->q_tail == NULL) \
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(q)->q_head = (b); \
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else \
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PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \
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(q)->q_tail = (b); \
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} while (0)
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#define PDQ_OS_DATABUF_DEQUEUE(q, b) do { \
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if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \
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if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \
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(q)->q_tail = NULL; \
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PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
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} \
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} while (0)
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#define PDQ_OS_DATABUF_BUSPA(pdq, b) PDQ_OS_VA_TO_BUSPA(pdq, PDQ_OS_DATABUF_PTR(b))
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#define PDQ_OS_CONSUMER_PRESYNC(pdq) do { } while(0)
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#define PDQ_OS_CONSUMER_POSTSYNC(pdq) do { } while(0)
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#define PDQ_OS_DESC_PRESYNC(pdq, d, s) do { } while(0)
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#define PDQ_OS_DESC_POSTSYNC(pdq, d, s) do { } while(0)
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#define PDQ_OS_CMDRQST_PRESYNC(pdq, s) do { } while(0)
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#define PDQ_OS_CMDRQST_POSTSYNC(pdq, s) do { } while(0)
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#define PDQ_OS_CMDRSP_PRESYNC(pdq, s) do { } while(0)
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#define PDQ_OS_CMDRSP_POSTSYNC(pdq, s) do { } while(0)
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#define PDQ_OS_RXPDU_PRESYNC(pdq, b, o, l) do { } while(0)
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#define PDQ_OS_RXPDU_POSTSYNC(pdq, b, o, l) do { } while(0)
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#define PDQ_OS_UNSOL_EVENT_PRESYNC(pdq, e) do { } while(0)
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#define PDQ_OS_UNSOL_EVENT_POSTSYNC(pdq, e) do { } while(0)
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#endif /* PDQ_HWSUPPORT */
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/*
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* OS dependent functions provided by pdq_ifsubr.c to pdq.c
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*/
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void pdq_os_addr_fill (pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs);
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void pdq_os_receive_pdu (pdq_t *, PDQ_OS_DATABUF_T *, size_t, int);
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void pdq_os_restart_transmitter (pdq_t *pdq);
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void pdq_os_transmit_done (pdq_t *, PDQ_OS_DATABUF_T *);
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void pdq_os_update_status (pdq_t *, const void *);
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/*
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* Driver interfaces functions provided by pdq.c to pdq_ifsubr.c
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*/
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pdq_boolean_t pdq_queue_transmit_data (pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
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void pdq_run (pdq_t *pdq);
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pdq_state_t pdq_stop (pdq_t *pdq);
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/*
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* OS dependent functions provided by
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* pdq_ifsubr.c or pdq.c to the bus front ends
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*/
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int pdq_ifattach (pdq_softc_t *, const pdq_uint8_t *,
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pdq_type_t type);
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void pdq_ifdetach (pdq_softc_t *);
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void pdq_free (device_t);
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int pdq_interrupt (pdq_t *pdq);
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void pdq_hwreset (pdq_t *pdq);
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pdq_t * pdq_initialize (pdq_bus_t bus, pdq_bus_memaddr_t csr_va,
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const char *name, int unit,
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void *ctx, pdq_type_t type);
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/*
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* Misc prototypes.
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*/
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void pdq_flush_transmitter(pdq_t *pdq);
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