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/* |
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* ether_defs.h - Definitions for DLPI Ethernet Driver |
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* |
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* SheepShaver (C) 1997-2002 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 |
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* 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 |
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* (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 |
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* 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 |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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#ifndef ETHER_DEFS_H |
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#define ETHER_DEFS_H |
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|
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|
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#if __BEOS__ && __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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* 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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datab *db_freep; |
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uint8 *db_base; |
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uint8 *db_lim; |
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uint8 db_ref; |
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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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msgb *b_next; |
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msgb *b_prev; |
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msgb *b_cont; |
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uint8 *b_rptr; |
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uint8 *b_wptr; |
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datab *b_datap; |
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// ... |
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}; |
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|
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// Queue (full structure required because of size) |
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struct queue { |
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void *q_qinfo; |
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msgb *q_first; |
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msgb *q_last; |
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queue *q_next; |
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queue *q_link; |
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void *q_ptr; |
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uint32 q_count; |
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int32 q_minpsz; |
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int32 q_maxpsz; |
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uint32 q_hiwat; |
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uint32 q_lowat; |
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void *q_bandp; |
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uint16 q_flag; |
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uint8 q_nband; |
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uint8 q_pad1[1]; |
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void *q_osx; |
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queue *q_ffcp; |
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queue *q_bfcp; |
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}; |
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typedef struct queue queue_t; |
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|
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// M_IOCTL parameters |
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struct iocblk { |
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int32 ioc_cmd; |
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void *ioc_cr; |
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uint32 ioc_id; |
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uint32 ioc_count; |
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int32 ioc_error; |
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int32 ioc_rval; |
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int32 ioc_filler[4]; |
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}; |
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|
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// Priority specification |
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struct dl_priority_t { |
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int32 dl_min, dl_max; |
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}; |
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|
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// DPLI primitives |
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struct dl_info_req_t { |
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uint32 dl_primitive; // DL_INFO_REQ |
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}; |
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|
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struct dl_info_ack_t { |
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uint32 dl_primitive; // DL_INFO_ACK |
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uint32 dl_max_sdu; |
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uint32 dl_min_sdu; |
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uint32 dl_addr_length; |
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uint32 dl_mac_type; |
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uint32 dl_reserved; |
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uint32 dl_current_state; |
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int32 dl_sap_length; |
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uint32 dl_service_mode; |
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uint32 dl_qos_length; |
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uint32 dl_qos_offset; |
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uint32 dl_qos_range_length; |
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uint32 dl_qos_range_offset; |
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uint32 dl_provider_style; |
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uint32 dl_addr_offset; |
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uint32 dl_version; |
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uint32 dl_brdcst_addr_length; |
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uint32 dl_brdcst_addr_offset; |
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uint32 dl_growth; |
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}; |
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|
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struct dl_bind_req_t { |
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uint32 dl_primitive; // DL_BIND_REQ |
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uint32 dl_sap; |
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uint32 dl_max_conind; |
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uint16 dl_service_mode; |
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uint16 dl_conn_mgmt; |
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uint32 dl_xidtest_flg; |
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}; |
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|
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struct dl_bind_ack_t { |
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uint32 dl_primitive; // DL_BIND_ACK |
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uint32 dl_sap; |
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uint32 dl_addr_length; |
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uint32 dl_addr_offset; |
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uint32 dl_max_conind; |
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uint32 dl_xidtest_flg; |
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}; |
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|
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struct dl_error_ack_t { |
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uint32 dl_primitive; // DL_ERROR_ACK |
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uint32 dl_error_primitive; |
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uint32 dl_errno; |
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uint32 dl_unix_errno; |
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}; |
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|
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struct dl_ok_ack_t { |
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uint32 dl_primitive; // DL_ERROR_ACK |
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uint32 dl_correct_primitive; |
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}; |
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|
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struct dl_unitdata_req_t { |
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uint32 dl_primitive; // DL_UNITDATA_REQ |
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uint32 dl_dest_addr_length; |
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uint32 dl_dest_addr_offset; |
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dl_priority_t dl_priority; |
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}; |
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|
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struct dl_unitdata_ind_t { |
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uint32 dl_primitive; // DL_UNITDATA_IND |
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uint32 dl_dest_addr_length; |
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uint32 dl_dest_addr_offset; |
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uint32 dl_src_addr_length; |
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uint32 dl_src_addr_offset; |
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uint32 dl_group_address; |
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}; |
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|
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struct dl_uderror_ind_t { |
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uint32 dl_primitive; // DL_UDERROR_IND |
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uint32 dl_dest_addr_length; |
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uint32 dl_dest_addr_offset; |
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uint32 dl_unix_errno; |
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uint32 dl_errno; |
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}; |
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|
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struct dl_subs_bind_req_t { |
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uint32 dl_primitive; // DL_SUBS_BIND_REQ |
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uint32 dl_subs_sap_offset; |
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uint32 dl_subs_sap_length; |
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uint32 dl_subs_bind_class; |
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}; |
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|
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struct dl_subs_bind_ack_t { |
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uint32 dl_primitive; // DL_SUBS_BIND_ACK |
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uint32 dl_subs_sap_offset; |
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uint32 dl_subs_sap_length; |
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}; |
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|
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struct dl_subs_unbind_req_t { |
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uint32 dl_primitive; // DL_SUBS_UNBIND_REQ |
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uint32 dl_subs_sap_offset; |
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uint32 dl_subs_sap_length; |
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}; |
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|
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struct dl_enabmulti_req_t { |
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uint32 dl_primitive; // DL_ENABMULTI_REQ |
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uint32 dl_addr_length; |
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uint32 dl_addr_offset; |
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}; |
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|
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struct dl_disabmulti_req_t { |
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uint32 dl_primitive; // DL_DISABMULTI_REQ |
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uint32 dl_addr_length; |
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uint32 dl_addr_offset; |
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}; |
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|
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struct dl_phys_addr_req_t { |
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uint32 dl_primitive; // DL_PHYS_ADDR_REQ |
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uint32 dl_addr_type; |
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}; |
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|
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struct dl_phys_addr_ack_t { |
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uint32 dl_primitive; // DL_PHYS_ADDR_ACK |
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uint32 dl_addr_length; |
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uint32 dl_addr_offset; |
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}; |
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|
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// Parameters for I_OTSetRawMode/kOTSetRecvMode ioctl() |
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struct dl_recv_control_t { |
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uint32 dl_primitive; |
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uint32 dl_flags; |
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uint32 dl_truncation_length; |
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}; |
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|
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union DL_primitives { |
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uint32 dl_primitive; |
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dl_info_req_t info_req; |
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dl_info_ack_t info_ack; |
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dl_bind_req_t bind_req; |
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dl_bind_ack_t bind_ack; |
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dl_error_ack_t error_ack; |
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dl_ok_ack_t ok_ack; |
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dl_unitdata_req_t unitdata_req; |
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dl_unitdata_ind_t unitdata_ind; |
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dl_uderror_ind_t uderror_ind; |
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dl_subs_bind_req_t subs_bind_req; |
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dl_subs_bind_ack_t subs_bind_ack; |
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dl_subs_unbind_req_t subs_unbind_req; |
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dl_enabmulti_req_t enabmulti_req; |
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dl_disabmulti_req_t disabmulti_req; |
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dl_phys_addr_req_t phys_addr_req; |
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dl_phys_addr_ack_t phys_addr_ack; |
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}; |
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|
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#ifdef PRAGMA_ALIGN_SUPPORTED |
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#pragma options align=mac68k |
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#endif |
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|
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// Packet headers |
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struct EnetPacketHeader { |
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uint8 fDestAddr[6]; |
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uint8 fSourceAddr[6]; |
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uint16 fProto; |
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} PACKED__; |
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|
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struct T8022Header { |
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uint8 fDSAP; |
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uint8 fSSAP; |
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uint8 fCtrl; |
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} PACKED__; |
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|
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struct T8022SNAPHeader { |
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uint8 fDSAP; |
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uint8 fSSAP; |
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uint8 fCtrl; |
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uint8 fSNAP[k8022SNAPLength]; |
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} PACKED__; |
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|
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struct T8022FullPacketHeader { |
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EnetPacketHeader fEnetPart; |
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T8022SNAPHeader f8022Part; |
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} PACKED__; |
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|
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struct T8022AddressStruct { |
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uint8 fHWAddr[6]; |
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uint16 fSAP; |
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uint8 fSNAP[k8022SNAPLength]; |
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} PACKED__; |
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|
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#ifdef PRAGMA_ALIGN_SUPPORTED |
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#pragma options align=reset |
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#endif |
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|
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#endif |
