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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) 1997-2008 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 __MWERKS__ && __POWERPC__ |
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#define PRAGMA_ALIGN_SUPPORTED 1 |
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#define PACKED__ |
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#elif defined __GNUC__ |
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#define PACKED__ __attribute__ ((packed)) |
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#elif defined __sgi |
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#define PRAGMA_PACK_SUPPORTED 1 |
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#define PACKED__ |
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#else |
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#error "Packed attribute or pragma shall be supported" |
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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; |
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nw_msgb_p b_prev; |
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nw_msgb_p b_cont; |
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nw_uint8_p b_rptr; |
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nw_uint8_p b_wptr; |
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nw_datab_p 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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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; |
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nw_queue_p q_link; |
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nw_DLPIStream_p q_ptr; |
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nw_uint32 q_count; |
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nw_int32 q_minpsz; |
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nw_int32 q_maxpsz; |
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nw_uint32 q_hiwat; |
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nw_uint32 q_lowat; |
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nw_void_p q_bandp; |
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nw_uint16 q_flag; |
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nw_uint8 q_nband; |
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uint8 _q_pad1[1]; |
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nw_void_p q_osx; |
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nw_queue_p q_ffcp; |
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nw_queue_p 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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nw_int32 ioc_cmd; |
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nw_void_p ioc_cr; |
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nw_uint32 ioc_id; |
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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]; |
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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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nw_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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nw_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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nw_uint32 dl_primitive; // DL_INFO_ACK |
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nw_uint32 dl_max_sdu; |
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nw_uint32 dl_min_sdu; |
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nw_uint32 dl_addr_length; |
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nw_uint32 dl_mac_type; |
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nw_uint32 dl_reserved; |
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nw_uint32 dl_current_state; |
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nw_int32 dl_sap_length; |
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nw_uint32 dl_service_mode; |
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nw_uint32 dl_qos_length; |
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nw_uint32 dl_qos_offset; |
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nw_uint32 dl_qos_range_length; |
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nw_uint32 dl_qos_range_offset; |
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nw_uint32 dl_provider_style; |
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nw_uint32 dl_addr_offset; |
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nw_uint32 dl_version; |
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nw_uint32 dl_brdcst_addr_length; |
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nw_uint32 dl_brdcst_addr_offset; |
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nw_uint32 dl_growth; |
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}; |
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|
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struct dl_bind_req_t { |
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nw_uint32 dl_primitive; // DL_BIND_REQ |
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nw_uint32 dl_sap; |
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nw_uint32 dl_max_conind; |
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nw_uint16 dl_service_mode; |
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nw_uint16 dl_conn_mgmt; |
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nw_uint32 dl_xidtest_flg; |
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}; |
401 |
|
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struct dl_bind_ack_t { |
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nw_uint32 dl_primitive; // DL_BIND_ACK |
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nw_uint32 dl_sap; |
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nw_uint32 dl_addr_length; |
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nw_uint32 dl_addr_offset; |
407 |
nw_uint32 dl_max_conind; |
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nw_uint32 dl_xidtest_flg; |
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}; |
410 |
|
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struct dl_error_ack_t { |
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nw_uint32 dl_primitive; // DL_ERROR_ACK |
413 |
nw_uint32 dl_error_primitive; |
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nw_uint32 dl_errno; |
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nw_uint32 dl_unix_errno; |
416 |
}; |
417 |
|
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struct dl_ok_ack_t { |
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nw_uint32 dl_primitive; // DL_ERROR_ACK |
420 |
nw_uint32 dl_correct_primitive; |
421 |
}; |
422 |
|
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struct dl_unitdata_req_t { |
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nw_uint32 dl_primitive; // DL_UNITDATA_REQ |
425 |
nw_uint32 dl_dest_addr_length; |
426 |
nw_uint32 dl_dest_addr_offset; |
427 |
dl_priority_t dl_priority; |
428 |
}; |
429 |
|
430 |
struct dl_unitdata_ind_t { |
431 |
nw_uint32 dl_primitive; // DL_UNITDATA_IND |
432 |
nw_uint32 dl_dest_addr_length; |
433 |
nw_uint32 dl_dest_addr_offset; |
434 |
nw_uint32 dl_src_addr_length; |
435 |
nw_uint32 dl_src_addr_offset; |
436 |
nw_uint32 dl_group_address; |
437 |
}; |
438 |
|
439 |
struct dl_uderror_ind_t { |
440 |
nw_uint32 dl_primitive; // DL_UDERROR_IND |
441 |
nw_uint32 dl_dest_addr_length; |
442 |
nw_uint32 dl_dest_addr_offset; |
443 |
nw_uint32 dl_unix_errno; |
444 |
nw_uint32 dl_errno; |
445 |
}; |
446 |
|
447 |
struct dl_subs_bind_req_t { |
448 |
nw_uint32 dl_primitive; // DL_SUBS_BIND_REQ |
449 |
nw_uint32 dl_subs_sap_offset; |
450 |
nw_uint32 dl_subs_sap_length; |
451 |
nw_uint32 dl_subs_bind_class; |
452 |
}; |
453 |
|
454 |
struct dl_subs_bind_ack_t { |
455 |
nw_uint32 dl_primitive; // DL_SUBS_BIND_ACK |
456 |
nw_uint32 dl_subs_sap_offset; |
457 |
nw_uint32 dl_subs_sap_length; |
458 |
}; |
459 |
|
460 |
struct dl_subs_unbind_req_t { |
461 |
nw_uint32 dl_primitive; // DL_SUBS_UNBIND_REQ |
462 |
nw_uint32 dl_subs_sap_offset; |
463 |
nw_uint32 dl_subs_sap_length; |
464 |
}; |
465 |
|
466 |
struct dl_enabmulti_req_t { |
467 |
nw_uint32 dl_primitive; // DL_ENABMULTI_REQ |
468 |
nw_uint32 dl_addr_length; |
469 |
nw_uint32 dl_addr_offset; |
470 |
}; |
471 |
|
472 |
struct dl_disabmulti_req_t { |
473 |
nw_uint32 dl_primitive; // DL_DISABMULTI_REQ |
474 |
nw_uint32 dl_addr_length; |
475 |
nw_uint32 dl_addr_offset; |
476 |
}; |
477 |
|
478 |
struct dl_phys_addr_req_t { |
479 |
nw_uint32 dl_primitive; // DL_PHYS_ADDR_REQ |
480 |
nw_uint32 dl_addr_type; |
481 |
}; |
482 |
|
483 |
struct dl_phys_addr_ack_t { |
484 |
nw_uint32 dl_primitive; // DL_PHYS_ADDR_ACK |
485 |
nw_uint32 dl_addr_length; |
486 |
nw_uint32 dl_addr_offset; |
487 |
}; |
488 |
|
489 |
// Parameters for I_OTSetRawMode/kOTSetRecvMode ioctl() |
490 |
struct dl_recv_control_t { |
491 |
nw_uint32 dl_primitive; |
492 |
nw_uint32 dl_flags; |
493 |
nw_uint32 dl_truncation_length; |
494 |
}; |
495 |
|
496 |
union DL_primitives { |
497 |
nw_uint32 dl_primitive; |
498 |
dl_info_req_t info_req; |
499 |
dl_info_ack_t info_ack; |
500 |
dl_bind_req_t bind_req; |
501 |
dl_bind_ack_t bind_ack; |
502 |
dl_error_ack_t error_ack; |
503 |
dl_ok_ack_t ok_ack; |
504 |
dl_unitdata_req_t unitdata_req; |
505 |
dl_unitdata_ind_t unitdata_ind; |
506 |
dl_uderror_ind_t uderror_ind; |
507 |
dl_subs_bind_req_t subs_bind_req; |
508 |
dl_subs_bind_ack_t subs_bind_ack; |
509 |
dl_subs_unbind_req_t subs_unbind_req; |
510 |
dl_enabmulti_req_t enabmulti_req; |
511 |
dl_disabmulti_req_t disabmulti_req; |
512 |
dl_phys_addr_req_t phys_addr_req; |
513 |
dl_phys_addr_ack_t phys_addr_ack; |
514 |
}; |
515 |
|
516 |
#ifdef PRAGMA_ALIGN_SUPPORTED |
517 |
#pragma options align=mac68k |
518 |
#endif |
519 |
|
520 |
#ifdef PRAGMA_PACK_SUPPORTED |
521 |
#pragma pack(1) |
522 |
#endif |
523 |
|
524 |
// Packet headers |
525 |
struct EnetPacketHeader { |
526 |
uint8 fDestAddr[6]; |
527 |
uint8 fSourceAddr[6]; |
528 |
nw_uint16 fProto; |
529 |
} PACKED__; |
530 |
|
531 |
struct T8022Header { |
532 |
uint8 fDSAP; |
533 |
uint8 fSSAP; |
534 |
uint8 fCtrl; |
535 |
} PACKED__; |
536 |
|
537 |
struct T8022SNAPHeader { |
538 |
uint8 fDSAP; |
539 |
uint8 fSSAP; |
540 |
uint8 fCtrl; |
541 |
uint8 fSNAP[k8022SNAPLength]; |
542 |
} PACKED__; |
543 |
|
544 |
struct T8022FullPacketHeader { |
545 |
EnetPacketHeader fEnetPart; |
546 |
T8022SNAPHeader f8022Part; |
547 |
} PACKED__; |
548 |
|
549 |
struct T8022AddressStruct { |
550 |
uint8 fHWAddr[6]; |
551 |
nw_uint16 fSAP; |
552 |
uint8 fSNAP[k8022SNAPLength]; |
553 |
} PACKED__; |
554 |
|
555 |
#ifdef PRAGMA_PACK_SUPPORTED |
556 |
#pragma pack(0) |
557 |
#endif |
558 |
|
559 |
#ifdef PRAGMA_ALIGN_SUPPORTED |
560 |
#pragma options align=reset |
561 |
#endif |
562 |
|
563 |
#endif |