98 lines
3 KiB
C++
98 lines
3 KiB
C++
/*
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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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 are
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* met: 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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* 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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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __MBUF_HH__
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#define __MBUF_HH__
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#include "sim/host.hh"
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#include "arch/isa_traits.hh"
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namespace tru64 {
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struct m_hdr {
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Addr mh_next; // 0x00
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Addr mh_nextpkt; // 0x08
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Addr mh_data; // 0x10
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int32_t mh_len; // 0x18
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int32_t mh_type; // 0x1C
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int32_t mh_flags; // 0x20
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int32_t mh_pad0; // 0x24
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Addr mh_foo[4]; // 0x28, 0x30, 0x38, 0x40
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};
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struct pkthdr {
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int32_t len;
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int32_t protocolSum;
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Addr rcvif;
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};
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struct m_ext {
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Addr ext_buf; // 0x00
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Addr ext_free; // 0x08
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uint32_t ext_size; // 0x10
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uint32_t ext_pad0; // 0x14
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Addr ext_arg; // 0x18
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struct ext_refq {
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Addr forw, back; // 0x20, 0x28
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} ext_ref;
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Addr uiomove_f; // 0x30
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int32_t protocolSum; // 0x38
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int32_t bytesSummed; // 0x3C
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Addr checksum; // 0x40
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};
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struct mbuf {
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struct m_hdr m_hdr;
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union {
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struct {
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struct pkthdr MH_pkthdr;
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union {
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struct m_ext MH_ext;
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char MH_databuf[1];
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} MH_dat;
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} MH;
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char M_databuf[1];
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} M_dat;
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};
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#define m_attr m_hdr.mh_attr
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#define m_next m_hdr.mh_next
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#define m_len m_hdr.mh_len
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#define m_data m_hdr.mh_data
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#define m_type m_hdr.mh_type
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#define m_flags m_hdr.mh_flags
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#define m_nextpkt m_hdr.mh_nextpkt
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#define m_act m_nextpkt
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#define m_pkthdr M_dat.MH.MH_pkthdr
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#define m_ext M_dat.MH.MH_dat.MH_ext
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#define m_pktdat M_dat.MH.MH_dat.MH_databuf
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#define m_dat M_dat.M_databuf
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}
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#endif // __MBUF_HH__
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