| /* |
| * Copyright (c) 2003-2005 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. |
| * |
| * Authors: Nathan Binkert |
| */ |
| |
| #ifndef __MBUF_HH__ |
| #define __MBUF_HH__ |
| |
| #include "arch/isa_traits.hh" |
| #include "base/types.hh" |
| |
| namespace tru64 { |
| |
| 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__ |
