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macemu/SheepShaver/src/include/ether_defs.h

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/*
* ether_defs.h - Definitions for DLPI Ethernet Driver
*
* SheepShaver (C) 1997-2002 Marc Hellwig and Christian Bauer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef ETHER_DEFS_H
#define ETHER_DEFS_H
#if __BEOS__ && __POWERPC__
#define PRAGMA_ALIGN_SUPPORTED 1
#define PACKED__
#else
#define PACKED__ __attribute__ ((packed))
#endif
/*
* Macros
*/
// Get pointer to the read queue, assumes 'q' is a write queue ptr
#define RD(q) (&q[-1])
// Get pointer to the write queue, assumes 'q' is a read queue ptr
#define WR(q) (&q[1])
#define OTCompare48BitAddresses(p1, p2) \
(*(const uint32*)((const uint8*)(p1)) == *(const uint32*)((const uint8*)(p2)) && \
*(const uint16*)(((const uint8*)(p1))+4) == *(const uint16*)(((const uint8*)(p2))+4) )
#define OTCopy48BitAddress(p1, p2) \
(*(uint32*)((uint8*)(p2)) = *(const uint32*)((const uint8*)(p1)), \
*(uint16*)(((uint8*)(p2))+4) = *(const uint16*)(((const uint8*)(p1))+4) )
#define OTClear48BitAddress(p1) \
(*(uint32*)((uint8*)(p1)) = 0, \
*(uint16*)(((uint8*)(p1))+4) = 0 )
#define OTCompare8022SNAP(p1, p2) \
(*(const uint32*)((const uint8*)(p1)) == *(const uint32*)((const uint8*)(p2)) && \
*(((const uint8*)(p1))+4) == *(((const uint8*)(p2))+4) )
#define OTCopy8022SNAP(p1, p2) \
(*(uint32*)((uint8*)(p2)) = *(const uint32*)((const uint8*)(p1)), \
*(((uint8*)(p2))+4) = *(((const uint8*)(p1))+4) )
#define OTIs48BitBroadcastAddress(p1) \
(*(uint32*)((uint8*)(p1)) == 0xffffffff && \
*(uint16*)(((uint8*)(p1))+4) == 0xffff )
#define OTSet48BitBroadcastAddress(p1) \
(*(uint32*)((uint8*)(p1)) = 0xffffffff, \
*(uint16*)(((uint8*)(p1))+4) = 0xffff )
#define OTIs48BitZeroAddress(p1) \
(*(uint32*)((uint8*)(p1)) == 0 && \
*(uint16*)(((uint8*)(p1))+4) == 0 )
/*
* Constants
*/
enum {
// Address and packet lengths
kEnetPhysicalAddressLength = 6,
k8022SAPLength = 1,
k8022DLSAPLength = 2,
k8022SNAPLength = 5,
kMaxBoundAddrLength = 6 + 2 + 5, // addr/SAP/SNAP
kEnetAndSAPAddressLength = kEnetPhysicalAddressLength + k8022DLSAPLength,
kEnetPacketHeaderLength = (2 * kEnetPhysicalAddressLength) + k8022DLSAPLength,
k8022BasicHeaderLength = 3, // SSAP/DSAP/Control
k8022SNAPHeaderLength = k8022SNAPLength + k8022BasicHeaderLength,
kMinDIXSAP = 1501,
kEnetTSDU = 1514,
// Special addresses
kSNAPSAP = 0xaa,
kMax8022SAP = 0xfe,
k8022GlobalSAP = 0xff,
kIPXSAP = 0xff,
// DLPI interface states
DL_UNBOUND = 0,
// Message types
M_DATA = 0,
M_PROTO = 1,
M_IOCTL = 14,
M_IOCACK = 129,
M_IOCNAK = 130,
M_PCPROTO = 131, // priority message
M_FLUSH = 134,
FLUSHDATA = 0,
FLUSHALL = 1,
FLUSHR = 1,
FLUSHW = 2,
FLUSHRW = 3,
// DLPI primitives
DL_INFO_REQ = 0,
DL_BIND_REQ = 1,
DL_PEER_BIND = 1,
DL_HIERARCHICAL_BIND = 2,
DL_UNBIND_REQ = 2,
DL_INFO_ACK = 3,
DL_BIND_ACK = 4,
DL_ERROR_ACK = 5,
DL_OK_ACK = 6,
DL_UNITDATA_REQ = 7,
DL_UNITDATA_IND = 8,
DL_UDERROR_IND = 9,
DL_SUBS_UNBIND_REQ = 21,
DL_SUBS_BIND_REQ = 27,
DL_SUBS_BIND_ACK = 28,
DL_ENABMULTI_REQ = 29,
DL_DISABMULTI_REQ = 30,
DL_PHYS_ADDR_REQ = 49,
DL_PHYS_ADDR_ACK = 50,
DL_FACT_PHYS_ADDR = 1,
DL_CURR_PHYS_ADDR = 2,
// DLPI states
DL_IDLE = 3,
// DLPI error codes
DL_BADADDR = 1, // improper address format
DL_OUTSTATE = 3, // improper state
DL_SYSERR = 4, // UNIX system error
DL_UNSUPPORTED = 7, // service unsupported
DL_BADPRIM = 9, // primitive unknown
DL_NOTSUPPORTED = 18, // primitive not implemented
DL_TOOMANY = 19, // limit exceeded
// errnos
MAC_ENXIO = 6,
MAC_ENOMEM = 12,
MAC_EINVAL = 22,
// Various DLPI constants
DL_CLDLS = 2, // connectionless data link service
DL_STYLE1 = 0x500,
DL_VERSION_2 = 2,
DL_CSMACD = 0,
DL_ETHER = 4,
DL_UNKNOWN = -1,
// ioctl() codes
I_OTSetFramingType = (('O' << 8) | 2),
kOTGetFramingValue = -1,
kOTFramingEthernet = 1,
kOTFramingEthernetIPX = 2,
kOTFramingEthernet8023 = 4,
kOTFraming8022 = 8,
I_OTSetRawMode = (('O' << 8) | 3),
DL_IOC_HDR_INFO = (('l' << 8) | 10),
// Buffer allocation priority
BPRI_LO = 1,
BPRI_HI = 3,
// Misc constants
kEnetModuleID = 7101
};
enum EAddrType {
keaStandardAddress = 0,
keaMulticast,
keaBroadcast,
keaBadAddress
};
/*
* Structures
*/
// Data block
struct datab {
datab *db_freep;
uint8 *db_base;
uint8 *db_lim;
uint8 db_ref;
uint8 db_type;
// ...
};
// Message block
struct msgb {
msgb *b_next;
msgb *b_prev;
msgb *b_cont;
uint8 *b_rptr;
uint8 *b_wptr;
datab *b_datap;
// ...
};
// Queue (full structure required because of size)
struct queue {
void *q_qinfo;
msgb *q_first;
msgb *q_last;
queue *q_next;
queue *q_link;
void *q_ptr;
uint32 q_count;
int32 q_minpsz;
int32 q_maxpsz;
uint32 q_hiwat;
uint32 q_lowat;
void *q_bandp;
uint16 q_flag;
uint8 q_nband;
uint8 q_pad1[1];
void *q_osx;
queue *q_ffcp;
queue *q_bfcp;
};
typedef struct queue queue_t;
// M_IOCTL parameters
struct iocblk {
int32 ioc_cmd;
void *ioc_cr;
uint32 ioc_id;
uint32 ioc_count;
int32 ioc_error;
int32 ioc_rval;
int32 ioc_filler[4];
};
// Priority specification
struct dl_priority_t {
int32 dl_min, dl_max;
};
// DPLI primitives
struct dl_info_req_t {
uint32 dl_primitive; // DL_INFO_REQ
};
struct dl_info_ack_t {
uint32 dl_primitive; // DL_INFO_ACK
uint32 dl_max_sdu;
uint32 dl_min_sdu;
uint32 dl_addr_length;
uint32 dl_mac_type;
uint32 dl_reserved;
uint32 dl_current_state;
int32 dl_sap_length;
uint32 dl_service_mode;
uint32 dl_qos_length;
uint32 dl_qos_offset;
uint32 dl_qos_range_length;
uint32 dl_qos_range_offset;
uint32 dl_provider_style;
uint32 dl_addr_offset;
uint32 dl_version;
uint32 dl_brdcst_addr_length;
uint32 dl_brdcst_addr_offset;
uint32 dl_growth;
};
struct dl_bind_req_t {
uint32 dl_primitive; // DL_BIND_REQ
uint32 dl_sap;
uint32 dl_max_conind;
uint16 dl_service_mode;
uint16 dl_conn_mgmt;
uint32 dl_xidtest_flg;
};
struct dl_bind_ack_t {
uint32 dl_primitive; // DL_BIND_ACK
uint32 dl_sap;
uint32 dl_addr_length;
uint32 dl_addr_offset;
uint32 dl_max_conind;
uint32 dl_xidtest_flg;
};
struct dl_error_ack_t {
uint32 dl_primitive; // DL_ERROR_ACK
uint32 dl_error_primitive;
uint32 dl_errno;
uint32 dl_unix_errno;
};
struct dl_ok_ack_t {
uint32 dl_primitive; // DL_ERROR_ACK
uint32 dl_correct_primitive;
};
struct dl_unitdata_req_t {
uint32 dl_primitive; // DL_UNITDATA_REQ
uint32 dl_dest_addr_length;
uint32 dl_dest_addr_offset;
dl_priority_t dl_priority;
};
struct dl_unitdata_ind_t {
uint32 dl_primitive; // DL_UNITDATA_IND
uint32 dl_dest_addr_length;
uint32 dl_dest_addr_offset;
uint32 dl_src_addr_length;
uint32 dl_src_addr_offset;
uint32 dl_group_address;
};
struct dl_uderror_ind_t {
uint32 dl_primitive; // DL_UDERROR_IND
uint32 dl_dest_addr_length;
uint32 dl_dest_addr_offset;
uint32 dl_unix_errno;
uint32 dl_errno;
};
struct dl_subs_bind_req_t {
uint32 dl_primitive; // DL_SUBS_BIND_REQ
uint32 dl_subs_sap_offset;
uint32 dl_subs_sap_length;
uint32 dl_subs_bind_class;
};
struct dl_subs_bind_ack_t {
uint32 dl_primitive; // DL_SUBS_BIND_ACK
uint32 dl_subs_sap_offset;
uint32 dl_subs_sap_length;
};
struct dl_subs_unbind_req_t {
uint32 dl_primitive; // DL_SUBS_UNBIND_REQ
uint32 dl_subs_sap_offset;
uint32 dl_subs_sap_length;
};
struct dl_enabmulti_req_t {
uint32 dl_primitive; // DL_ENABMULTI_REQ
uint32 dl_addr_length;
uint32 dl_addr_offset;
};
struct dl_disabmulti_req_t {
uint32 dl_primitive; // DL_DISABMULTI_REQ
uint32 dl_addr_length;
uint32 dl_addr_offset;
};
struct dl_phys_addr_req_t {
uint32 dl_primitive; // DL_PHYS_ADDR_REQ
uint32 dl_addr_type;
};
struct dl_phys_addr_ack_t {
uint32 dl_primitive; // DL_PHYS_ADDR_ACK
uint32 dl_addr_length;
uint32 dl_addr_offset;
};
// Parameters for I_OTSetRawMode/kOTSetRecvMode ioctl()
struct dl_recv_control_t {
uint32 dl_primitive;
uint32 dl_flags;
uint32 dl_truncation_length;
};
union DL_primitives {
uint32 dl_primitive;
dl_info_req_t info_req;
dl_info_ack_t info_ack;
dl_bind_req_t bind_req;
dl_bind_ack_t bind_ack;
dl_error_ack_t error_ack;
dl_ok_ack_t ok_ack;
dl_unitdata_req_t unitdata_req;
dl_unitdata_ind_t unitdata_ind;
dl_uderror_ind_t uderror_ind;
dl_subs_bind_req_t subs_bind_req;
dl_subs_bind_ack_t subs_bind_ack;
dl_subs_unbind_req_t subs_unbind_req;
dl_enabmulti_req_t enabmulti_req;
dl_disabmulti_req_t disabmulti_req;
dl_phys_addr_req_t phys_addr_req;
dl_phys_addr_ack_t phys_addr_ack;
};
#ifdef PRAGMA_ALIGN_SUPPORTED
#pragma options align=mac68k
#endif
// Packet headers
struct EnetPacketHeader {
uint8 fDestAddr[6];
uint8 fSourceAddr[6];
uint16 fProto;
} PACKED__;
struct T8022Header {
uint8 fDSAP;
uint8 fSSAP;
uint8 fCtrl;
} PACKED__;
struct T8022SNAPHeader {
uint8 fDSAP;
uint8 fSSAP;
uint8 fCtrl;
uint8 fSNAP[k8022SNAPLength];
} PACKED__;
struct T8022FullPacketHeader {
EnetPacketHeader fEnetPart;
T8022SNAPHeader f8022Part;
} PACKED__;
struct T8022AddressStruct {
uint8 fHWAddr[6];
uint16 fSAP;
uint8 fSNAP[k8022SNAPLength];
} PACKED__;
#ifdef PRAGMA_ALIGN_SUPPORTED
#pragma options align=reset
#endif
#endif
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