| 1 |
/* |
| 2 |
* ether_defs.h - Definitions for DLPI Ethernet Driver |
| 3 |
* |
| 4 |
* SheepShaver (C) 1997-2005 Marc Hellwig and Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
| 7 |
* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
| 9 |
* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
| 17 |
* along with this program; if not, write to the Free Software |
| 18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 |
*/ |
| 20 |
|
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#ifndef ETHER_DEFS_H |
| 22 |
#define ETHER_DEFS_H |
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|
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|
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#if __MWERKS__ && __POWERPC__ |
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#define PRAGMA_ALIGN_SUPPORTED 1 |
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#define PACKED__ |
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#else |
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#define PACKED__ __attribute__ ((packed)) |
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#endif |
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|
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|
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/* |
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* Macros |
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*/ |
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|
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// Get pointer to the read queue, assumes 'q' is a write queue ptr |
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#define RD(q) (&q[-1]) |
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|
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// Get pointer to the write queue, assumes 'q' is a read queue ptr |
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#define WR(q) (&q[1]) |
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|
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#define OTCompare48BitAddresses(p1, p2) \ |
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(*(const uint32*)((const uint8*)(p1)) == *(const uint32*)((const uint8*)(p2)) && \ |
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*(const uint16*)(((const uint8*)(p1))+4) == *(const uint16*)(((const uint8*)(p2))+4) ) |
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|
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#define OTCopy48BitAddress(p1, p2) \ |
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(*(uint32*)((uint8*)(p2)) = *(const uint32*)((const uint8*)(p1)), \ |
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*(uint16*)(((uint8*)(p2))+4) = *(const uint16*)(((const uint8*)(p1))+4) ) |
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|
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#define OTClear48BitAddress(p1) \ |
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(*(uint32*)((uint8*)(p1)) = 0, \ |
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*(uint16*)(((uint8*)(p1))+4) = 0 ) |
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|
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#define OTCompare8022SNAP(p1, p2) \ |
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(*(const uint32*)((const uint8*)(p1)) == *(const uint32*)((const uint8*)(p2)) && \ |
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*(((const uint8*)(p1))+4) == *(((const uint8*)(p2))+4) ) |
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|
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#define OTCopy8022SNAP(p1, p2) \ |
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(*(uint32*)((uint8*)(p2)) = *(const uint32*)((const uint8*)(p1)), \ |
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*(((uint8*)(p2))+4) = *(((const uint8*)(p1))+4) ) |
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|
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#define OTIs48BitBroadcastAddress(p1) \ |
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(*(uint32*)((uint8*)(p1)) == 0xffffffff && \ |
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*(uint16*)(((uint8*)(p1))+4) == 0xffff ) |
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|
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#define OTSet48BitBroadcastAddress(p1) \ |
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(*(uint32*)((uint8*)(p1)) = 0xffffffff, \ |
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*(uint16*)(((uint8*)(p1))+4) = 0xffff ) |
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|
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#define OTIs48BitZeroAddress(p1) \ |
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(*(uint32*)((uint8*)(p1)) == 0 && \ |
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*(uint16*)(((uint8*)(p1))+4) == 0 ) |
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|
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|
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/* |
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* Constants |
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*/ |
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|
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enum { |
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// Address and packet lengths |
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kEnetPhysicalAddressLength = 6, |
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k8022SAPLength = 1, |
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k8022DLSAPLength = 2, |
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k8022SNAPLength = 5, |
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kMaxBoundAddrLength = 6 + 2 + 5, // addr/SAP/SNAP |
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kEnetAndSAPAddressLength = kEnetPhysicalAddressLength + k8022DLSAPLength, |
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kEnetPacketHeaderLength = (2 * kEnetPhysicalAddressLength) + k8022DLSAPLength, |
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k8022BasicHeaderLength = 3, // SSAP/DSAP/Control |
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k8022SNAPHeaderLength = k8022SNAPLength + k8022BasicHeaderLength, |
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kMinDIXSAP = 1501, |
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kEnetTSDU = 1514, |
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|
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// Special addresses |
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kSNAPSAP = 0xaa, |
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kMax8022SAP = 0xfe, |
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k8022GlobalSAP = 0xff, |
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kIPXSAP = 0xff, |
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|
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// DLPI interface states |
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DL_UNBOUND = 0, |
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|
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// Message types |
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M_DATA = 0, |
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M_PROTO = 1, |
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M_IOCTL = 14, |
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M_IOCACK = 129, |
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M_IOCNAK = 130, |
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M_PCPROTO = 131, // priority message |
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M_FLUSH = 134, |
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FLUSHDATA = 0, |
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FLUSHALL = 1, |
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FLUSHR = 1, |
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FLUSHW = 2, |
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FLUSHRW = 3, |
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|
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// DLPI primitives |
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DL_INFO_REQ = 0, |
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DL_BIND_REQ = 1, |
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DL_PEER_BIND = 1, |
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DL_HIERARCHICAL_BIND = 2, |
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DL_UNBIND_REQ = 2, |
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DL_INFO_ACK = 3, |
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DL_BIND_ACK = 4, |
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DL_ERROR_ACK = 5, |
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DL_OK_ACK = 6, |
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DL_UNITDATA_REQ = 7, |
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DL_UNITDATA_IND = 8, |
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DL_UDERROR_IND = 9, |
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DL_SUBS_UNBIND_REQ = 21, |
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DL_SUBS_BIND_REQ = 27, |
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DL_SUBS_BIND_ACK = 28, |
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DL_ENABMULTI_REQ = 29, |
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DL_DISABMULTI_REQ = 30, |
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DL_PHYS_ADDR_REQ = 49, |
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DL_PHYS_ADDR_ACK = 50, |
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DL_FACT_PHYS_ADDR = 1, |
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DL_CURR_PHYS_ADDR = 2, |
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|
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// DLPI states |
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DL_IDLE = 3, |
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|
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// DLPI error codes |
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DL_BADADDR = 1, // improper address format |
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DL_OUTSTATE = 3, // improper state |
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DL_SYSERR = 4, // UNIX system error |
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DL_UNSUPPORTED = 7, // service unsupported |
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DL_BADPRIM = 9, // primitive unknown |
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DL_NOTSUPPORTED = 18, // primitive not implemented |
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DL_TOOMANY = 19, // limit exceeded |
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|
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// errnos |
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MAC_ENXIO = 6, |
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MAC_ENOMEM = 12, |
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MAC_EINVAL = 22, |
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|
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// Various DLPI constants |
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DL_CLDLS = 2, // connectionless data link service |
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DL_STYLE1 = 0x500, |
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DL_VERSION_2 = 2, |
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DL_CSMACD = 0, |
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DL_ETHER = 4, |
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DL_UNKNOWN = -1, |
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|
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// ioctl() codes |
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I_OTSetFramingType = (('O' << 8) | 2), |
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kOTGetFramingValue = -1, |
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kOTFramingEthernet = 1, |
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kOTFramingEthernetIPX = 2, |
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kOTFramingEthernet8023 = 4, |
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kOTFraming8022 = 8, |
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I_OTSetRawMode = (('O' << 8) | 3), |
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DL_IOC_HDR_INFO = (('l' << 8) | 10), |
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|
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// Buffer allocation priority |
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BPRI_LO = 1, |
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BPRI_HI = 3, |
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|
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// Misc constants |
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kEnetModuleID = 7101 |
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}; |
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|
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enum EAddrType { |
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keaStandardAddress = 0, |
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keaMulticast, |
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keaBroadcast, |
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keaBadAddress |
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}; |
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|
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|
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/* |
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* Data member wrappers |
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*/ |
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|
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// Forward declarations |
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struct datab; |
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struct msgb; |
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struct queue; |
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struct multicast_node; |
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struct DLPIStream; |
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|
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// Optimize for 32-bit big endian targets |
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#if defined(WORDS_BIGENDIAN) && (SIZEOF_VOID_P == 4) |
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|
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// Predefined member types |
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typedef int8 nw_int8; |
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typedef int16 nw_int16; |
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typedef int32 nw_int32; |
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typedef uint8 nw_uint8; |
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typedef uint16 nw_uint16; |
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typedef uint32 nw_uint32; |
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typedef int nw_bool; |
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typedef uint8 * nw_uint8_p; |
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typedef void * nw_void_p; |
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typedef datab * nw_datab_p; |
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typedef msgb * nw_msgb_p; |
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typedef queue * nw_queue_p; |
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typedef multicast_node *nw_multicast_node_p; |
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typedef DLPIStream * nw_DLPIStream_p; |
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|
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#else |
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|
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// Big-endian memory accessor |
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template< int nbytes > |
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struct nw_memory_helper; |
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|
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template<> |
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struct nw_memory_helper<1> { |
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static inline uint8 load(void *ptr) { return *((uint8 *)ptr); } |
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static inline void store(void *ptr, uint8 val) { *((uint8 *)ptr) = val; } |
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}; |
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|
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template<> |
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struct nw_memory_helper<2> { |
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static inline uint16 load(void *ptr) { return ntohs(*((uint16 *)ptr)); } |
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static inline void store(void *ptr, uint16 val) { *((uint16 *)ptr) = htons(val); } |
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}; |
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|
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template<> |
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struct nw_memory_helper<4> { |
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static inline uint32 load(void *ptr) { return ntohl(*((uint32 *)ptr)); } |
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static inline void store(void *ptr, uint32 val) { *((uint32 *)ptr) = htonl(val); } |
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}; |
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|
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// Scalar data member wrapper (specialise for pointer member types?) |
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template< class type, class public_type > |
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class nw_scalar_member_helper { |
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uint8 _pad[sizeof(type)]; |
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public: |
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operator public_type () const { |
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return (public_type)(uintptr)nw_memory_helper<sizeof(type)>::load((void *)this); |
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} |
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public_type operator -> () const { |
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return this->operator public_type (); |
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} |
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nw_scalar_member_helper<type, public_type> & operator = (public_type val) { |
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nw_memory_helper<sizeof(type)>::store((void *)this, (type)(uintptr)val); |
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return *this; |
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} |
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nw_scalar_member_helper<type, public_type> & operator += (int val) { |
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*this = *this + val; |
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return *this; |
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} |
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nw_scalar_member_helper<type, public_type> & operator -= (int val) { |
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*this = *this - val; |
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return *this; |
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} |
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nw_scalar_member_helper<type, public_type> & operator &= (int val) { |
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*this = *this & val; |
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return *this; |
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} |
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nw_scalar_member_helper<type, public_type> & operator |= (int val) { |
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*this = *this | val; |
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return *this; |
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} |
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}; |
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|
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// Predefined member types |
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typedef nw_scalar_member_helper<uint8, int8> nw_int8; |
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typedef nw_scalar_member_helper<uint16, int16> nw_int16; |
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typedef nw_scalar_member_helper<uint32, int32> nw_int32; |
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typedef nw_scalar_member_helper<uint8, uint8> nw_uint8; |
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typedef nw_scalar_member_helper<uint16, uint16> nw_uint16; |
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typedef nw_scalar_member_helper<uint32, uint32> nw_uint32; |
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typedef nw_scalar_member_helper<int, bool> nw_bool; |
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typedef nw_scalar_member_helper<uint32, uint8 *> nw_uint8_p; |
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typedef nw_scalar_member_helper<uint32, void *> nw_void_p; |
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typedef nw_scalar_member_helper<uint32, datab *> nw_datab_p; |
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typedef nw_scalar_member_helper<uint32, msgb *> nw_msgb_p; |
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typedef nw_scalar_member_helper<uint32, queue *> nw_queue_p; |
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typedef nw_scalar_member_helper<uint32, multicast_node *> nw_multicast_node_p; |
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typedef nw_scalar_member_helper<uint32, DLPIStream *> nw_DLPIStream_p; |
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|
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#endif |
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|
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|
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/* |
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* Structures |
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*/ |
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|
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// Data block |
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struct datab { |
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nw_datab_p db_freep; |
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nw_uint8_p db_base; |
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nw_uint8_p db_lim; |
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nw_uint8 db_ref; |
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nw_uint8 db_type; |
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// ... |
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}; |
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|
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// Message block |
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struct msgb { |
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nw_msgb_p b_next; |
| 314 |
nw_msgb_p b_prev; |
| 315 |
nw_msgb_p b_cont; |
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nw_uint8_p b_rptr; |
| 317 |
nw_uint8_p b_wptr; |
| 318 |
nw_datab_p b_datap; |
| 319 |
// ... |
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}; |
| 321 |
|
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// Queue (full structure required because of size) |
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struct queue { |
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nw_void_p q_qinfo; |
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nw_msgb_p q_first; |
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nw_msgb_p q_last; |
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nw_queue_p q_next; |
| 328 |
nw_queue_p q_link; |
| 329 |
nw_DLPIStream_p q_ptr; |
| 330 |
nw_uint32 q_count; |
| 331 |
nw_int32 q_minpsz; |
| 332 |
nw_int32 q_maxpsz; |
| 333 |
nw_uint32 q_hiwat; |
| 334 |
nw_uint32 q_lowat; |
| 335 |
nw_void_p q_bandp; |
| 336 |
nw_uint16 q_flag; |
| 337 |
nw_uint8 q_nband; |
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uint8 _q_pad1[1]; |
| 339 |
nw_void_p q_osx; |
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nw_queue_p q_ffcp; |
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nw_queue_p q_bfcp; |
| 342 |
}; |
| 343 |
typedef struct queue queue_t; |
| 344 |
|
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// M_IOCTL parameters |
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struct iocblk { |
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nw_int32 ioc_cmd; |
| 348 |
nw_void_p ioc_cr; |
| 349 |
nw_uint32 ioc_id; |
| 350 |
nw_uint32 ioc_count; |
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nw_int32 ioc_error; |
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nw_int32 ioc_rval; |
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int32 _ioc_filler[4]; |
| 354 |
}; |
| 355 |
|
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// Priority specification |
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struct dl_priority_t { |
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nw_int32 dl_min, dl_max; |
| 359 |
}; |
| 360 |
|
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// DPLI primitives |
| 362 |
struct dl_info_req_t { |
| 363 |
nw_uint32 dl_primitive; // DL_INFO_REQ |
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}; |
| 365 |
|
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struct dl_info_ack_t { |
| 367 |
nw_uint32 dl_primitive; // DL_INFO_ACK |
| 368 |
nw_uint32 dl_max_sdu; |
| 369 |
nw_uint32 dl_min_sdu; |
| 370 |
nw_uint32 dl_addr_length; |
| 371 |
nw_uint32 dl_mac_type; |
| 372 |
nw_uint32 dl_reserved; |
| 373 |
nw_uint32 dl_current_state; |
| 374 |
nw_int32 dl_sap_length; |
| 375 |
nw_uint32 dl_service_mode; |
| 376 |
nw_uint32 dl_qos_length; |
| 377 |
nw_uint32 dl_qos_offset; |
| 378 |
nw_uint32 dl_qos_range_length; |
| 379 |
nw_uint32 dl_qos_range_offset; |
| 380 |
nw_uint32 dl_provider_style; |
| 381 |
nw_uint32 dl_addr_offset; |
| 382 |
nw_uint32 dl_version; |
| 383 |
nw_uint32 dl_brdcst_addr_length; |
| 384 |
nw_uint32 dl_brdcst_addr_offset; |
| 385 |
nw_uint32 dl_growth; |
| 386 |
}; |
| 387 |
|
| 388 |
struct dl_bind_req_t { |
| 389 |
nw_uint32 dl_primitive; // DL_BIND_REQ |
| 390 |
nw_uint32 dl_sap; |
| 391 |
nw_uint32 dl_max_conind; |
| 392 |
nw_uint16 dl_service_mode; |
| 393 |
nw_uint16 dl_conn_mgmt; |
| 394 |
nw_uint32 dl_xidtest_flg; |
| 395 |
}; |
| 396 |
|
| 397 |
struct dl_bind_ack_t { |
| 398 |
nw_uint32 dl_primitive; // DL_BIND_ACK |
| 399 |
nw_uint32 dl_sap; |
| 400 |
nw_uint32 dl_addr_length; |
| 401 |
nw_uint32 dl_addr_offset; |
| 402 |
nw_uint32 dl_max_conind; |
| 403 |
nw_uint32 dl_xidtest_flg; |
| 404 |
}; |
| 405 |
|
| 406 |
struct dl_error_ack_t { |
| 407 |
nw_uint32 dl_primitive; // DL_ERROR_ACK |
| 408 |
nw_uint32 dl_error_primitive; |
| 409 |
nw_uint32 dl_errno; |
| 410 |
nw_uint32 dl_unix_errno; |
| 411 |
}; |
| 412 |
|
| 413 |
struct dl_ok_ack_t { |
| 414 |
nw_uint32 dl_primitive; // DL_ERROR_ACK |
| 415 |
nw_uint32 dl_correct_primitive; |
| 416 |
}; |
| 417 |
|
| 418 |
struct dl_unitdata_req_t { |
| 419 |
nw_uint32 dl_primitive; // DL_UNITDATA_REQ |
| 420 |
nw_uint32 dl_dest_addr_length; |
| 421 |
nw_uint32 dl_dest_addr_offset; |
| 422 |
dl_priority_t dl_priority; |
| 423 |
}; |
| 424 |
|
| 425 |
struct dl_unitdata_ind_t { |
| 426 |
nw_uint32 dl_primitive; // DL_UNITDATA_IND |
| 427 |
nw_uint32 dl_dest_addr_length; |
| 428 |
nw_uint32 dl_dest_addr_offset; |
| 429 |
nw_uint32 dl_src_addr_length; |
| 430 |
nw_uint32 dl_src_addr_offset; |
| 431 |
nw_uint32 dl_group_address; |
| 432 |
}; |
| 433 |
|
| 434 |
struct dl_uderror_ind_t { |
| 435 |
nw_uint32 dl_primitive; // DL_UDERROR_IND |
| 436 |
nw_uint32 dl_dest_addr_length; |
| 437 |
nw_uint32 dl_dest_addr_offset; |
| 438 |
nw_uint32 dl_unix_errno; |
| 439 |
nw_uint32 dl_errno; |
| 440 |
}; |
| 441 |
|
| 442 |
struct dl_subs_bind_req_t { |
| 443 |
nw_uint32 dl_primitive; // DL_SUBS_BIND_REQ |
| 444 |
nw_uint32 dl_subs_sap_offset; |
| 445 |
nw_uint32 dl_subs_sap_length; |
| 446 |
nw_uint32 dl_subs_bind_class; |
| 447 |
}; |
| 448 |
|
| 449 |
struct dl_subs_bind_ack_t { |
| 450 |
nw_uint32 dl_primitive; // DL_SUBS_BIND_ACK |
| 451 |
nw_uint32 dl_subs_sap_offset; |
| 452 |
nw_uint32 dl_subs_sap_length; |
| 453 |
}; |
| 454 |
|
| 455 |
struct dl_subs_unbind_req_t { |
| 456 |
nw_uint32 dl_primitive; // DL_SUBS_UNBIND_REQ |
| 457 |
nw_uint32 dl_subs_sap_offset; |
| 458 |
nw_uint32 dl_subs_sap_length; |
| 459 |
}; |
| 460 |
|
| 461 |
struct dl_enabmulti_req_t { |
| 462 |
nw_uint32 dl_primitive; // DL_ENABMULTI_REQ |
| 463 |
nw_uint32 dl_addr_length; |
| 464 |
nw_uint32 dl_addr_offset; |
| 465 |
}; |
| 466 |
|
| 467 |
struct dl_disabmulti_req_t { |
| 468 |
nw_uint32 dl_primitive; // DL_DISABMULTI_REQ |
| 469 |
nw_uint32 dl_addr_length; |
| 470 |
nw_uint32 dl_addr_offset; |
| 471 |
}; |
| 472 |
|
| 473 |
struct dl_phys_addr_req_t { |
| 474 |
nw_uint32 dl_primitive; // DL_PHYS_ADDR_REQ |
| 475 |
nw_uint32 dl_addr_type; |
| 476 |
}; |
| 477 |
|
| 478 |
struct dl_phys_addr_ack_t { |
| 479 |
nw_uint32 dl_primitive; // DL_PHYS_ADDR_ACK |
| 480 |
nw_uint32 dl_addr_length; |
| 481 |
nw_uint32 dl_addr_offset; |
| 482 |
}; |
| 483 |
|
| 484 |
// Parameters for I_OTSetRawMode/kOTSetRecvMode ioctl() |
| 485 |
struct dl_recv_control_t { |
| 486 |
nw_uint32 dl_primitive; |
| 487 |
nw_uint32 dl_flags; |
| 488 |
nw_uint32 dl_truncation_length; |
| 489 |
}; |
| 490 |
|
| 491 |
union DL_primitives { |
| 492 |
nw_uint32 dl_primitive; |
| 493 |
dl_info_req_t info_req; |
| 494 |
dl_info_ack_t info_ack; |
| 495 |
dl_bind_req_t bind_req; |
| 496 |
dl_bind_ack_t bind_ack; |
| 497 |
dl_error_ack_t error_ack; |
| 498 |
dl_ok_ack_t ok_ack; |
| 499 |
dl_unitdata_req_t unitdata_req; |
| 500 |
dl_unitdata_ind_t unitdata_ind; |
| 501 |
dl_uderror_ind_t uderror_ind; |
| 502 |
dl_subs_bind_req_t subs_bind_req; |
| 503 |
dl_subs_bind_ack_t subs_bind_ack; |
| 504 |
dl_subs_unbind_req_t subs_unbind_req; |
| 505 |
dl_enabmulti_req_t enabmulti_req; |
| 506 |
dl_disabmulti_req_t disabmulti_req; |
| 507 |
dl_phys_addr_req_t phys_addr_req; |
| 508 |
dl_phys_addr_ack_t phys_addr_ack; |
| 509 |
}; |
| 510 |
|
| 511 |
#ifdef PRAGMA_ALIGN_SUPPORTED |
| 512 |
#pragma options align=mac68k |
| 513 |
#endif |
| 514 |
|
| 515 |
// Packet headers |
| 516 |
struct EnetPacketHeader { |
| 517 |
uint8 fDestAddr[6]; |
| 518 |
uint8 fSourceAddr[6]; |
| 519 |
nw_uint16 fProto; |
| 520 |
} PACKED__; |
| 521 |
|
| 522 |
struct T8022Header { |
| 523 |
uint8 fDSAP; |
| 524 |
uint8 fSSAP; |
| 525 |
uint8 fCtrl; |
| 526 |
} PACKED__; |
| 527 |
|
| 528 |
struct T8022SNAPHeader { |
| 529 |
uint8 fDSAP; |
| 530 |
uint8 fSSAP; |
| 531 |
uint8 fCtrl; |
| 532 |
uint8 fSNAP[k8022SNAPLength]; |
| 533 |
} PACKED__; |
| 534 |
|
| 535 |
struct T8022FullPacketHeader { |
| 536 |
EnetPacketHeader fEnetPart; |
| 537 |
T8022SNAPHeader f8022Part; |
| 538 |
} PACKED__; |
| 539 |
|
| 540 |
struct T8022AddressStruct { |
| 541 |
uint8 fHWAddr[6]; |
| 542 |
nw_uint16 fSAP; |
| 543 |
uint8 fSNAP[k8022SNAPLength]; |
| 544 |
} PACKED__; |
| 545 |
|
| 546 |
#ifdef PRAGMA_ALIGN_SUPPORTED |
| 547 |
#pragma options align=reset |
| 548 |
#endif |
| 549 |
|
| 550 |
#endif |
