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/*
* Copyright (c) 2003 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* 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;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* OWNER 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.
*/
#ifndef __MBUF_HH__
#define __MBUF_HH__
#include "sim/host.hh"
#include "targetarch/isa_traits.hh"
struct m_hdr {
Addr mh_next; // 0x00
Addr mh_nextpkt; // 0x08
Addr mh_data; // 0x10
int32_t mh_len; // 0x18
int32_t mh_type; // 0x1C
int32_t mh_flags; // 0x20
int32_t mh_pad0; // 0x24
Addr mh_foo[4]; // 0x28, 0x30, 0x38, 0x40
};
struct pkthdr {
int32_t len;
int32_t protocolSum;
Addr rcvif;
};
struct m_ext {
Addr ext_buf; // 0x00
Addr ext_free; // 0x08
uint32_t ext_size; // 0x10
uint32_t ext_pad0; // 0x14
Addr ext_arg; // 0x18
struct ext_refq {
Addr forw, back; // 0x20, 0x28
} ext_ref;
Addr uiomove_f; // 0x30
int32_t protocolSum; // 0x38
int32_t bytesSummed; // 0x3C
Addr checksum; // 0x40
};
struct mbuf {
struct m_hdr m_hdr;
union {
struct {
struct pkthdr MH_pkthdr;
union {
struct m_ext MH_ext;
char MH_databuf[1];
} MH_dat;
} MH;
char M_databuf[1];
} M_dat;
};
#define m_attr m_hdr.mh_attr
#define m_next m_hdr.mh_next
#define m_len m_hdr.mh_len
#define m_data m_hdr.mh_data
#define m_type m_hdr.mh_type
#define m_flags m_hdr.mh_flags
#define m_nextpkt m_hdr.mh_nextpkt
#define m_act m_nextpkt
#define m_pkthdr M_dat.MH.MH_pkthdr
#define m_ext M_dat.MH.MH_dat.MH_ext
#define m_pktdat M_dat.MH.MH_dat.MH_databuf
#define m_dat M_dat.M_databuf
#endif // __MBUF_HH__
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