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- /*
- * Copyright (c) 1989 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Excelan Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)if_exreg.h 7.3 (Berkeley) 6/28/90
- */
-
- struct exdevice {
- ushort ex_porta; /* write on porta resets EXOS */
- ushort ex_portb; /* write on portb interrupts EXOS */
- };
-
- /* EXOS I/O PORT A write definitions */
- #define EX_RESET 0 /* value doesn't really matter... */
-
- /* EXOS I/O PORT B write definitions */
- #define EX_NTRUPT 0
-
- /* EXOS I/O PORT B read definitions */
- #define EX_TESTOK 1 /* set when self-diagnostics passed */
- #define EX_UNREADY (1<<3) /* set until EXOS ready to read from B */
-
- /* message buffer status field definitions */
- #define MH_OWNER 1 /* mask for status bit for owner */
- #define MH_HOST 0 /* if 0, the host owns the buffer */
- #define MH_EXOS 1 /* if 1, the EXOS owns the buffer */
-
- /* EXOS Link Level request codes */
- #define LLTRANSMIT 0xC /* send a packet */
- #define LLRTRANSMIT 0xE /* send a packet, and self-receive */
- #define LLRECEIVE 0xD /* receive a packet */
- #define LLNET_MODE 0x8 /* read/write mode control objects */
- #define LLNET_ADDRS 0x9 /* read/write receive address slots */
- #define LLNET_RECV 0xA /* read/alter receive slot enable bit */
- #define LLNET_STSTCS 0xB /* read/reset network statistics objects */
-
- /* Link Level return codes common to all requests */
- #define LL_OK 0 /* successful completion */
- #define LLX_MODE 0xA1 /* EXOS not in link level mode (impossible) */
-
- /* LLTRANSMIT unique return codes */
- #define LLXM_1RTRY 0x1 /* successful xmission, 1 retry */
- #define LLXM_RTRYS 0x2 /* successful xmission, more than 1 retry */
- #define LLXM_NSQE 0x8 /* successful xmission, no SQE TEST signal */
- #define LLXM_CLSN 0x10 /* xmission failed, excess retries */
- #define LLXM_NCS 0x20 /* xmission failed, no carrier sense */
- #define LLXM_LNGTH 0x40 /* xmission failed, bad packet length */
- #define XMIT_BITS "\7\7LENGTH\6CARRIER\5XCLSNS\4SQETST"
- /*#define LLXM_ERROR (LLXM_NSQE|LLXM_CLSN|LLXM_NCS|LLXM_LNGTH)*/
- #define LLXM_ERROR (LLXM_CLSN|LLXM_NCS|LLXM_LNGTH)
-
- /* LLRECEIVE unique return codes */
- #define LLRC_TRUNC 0x4 /* pkt received, but truncated to fit buffer */
- #define LLRC_ALIGN 0x10 /* pkt received, but with alignment error */
- #define LLRC_CRC 0x20 /* pkt received, but with CRC error */
- #define LLRC_BUFLEN 0x40 /* no pkt received, buffer less than 64 bytes */
- /* this should never happen here */
- #define RECV_BITS "\7\7BUFLEN\6CRC\5ALIGN\3TRUNC"
-
- /* LLNET_ADDRS unique return codes */
- #define LLNA_BADSLOT 0xD1 /* slot doesn't exist or can't be accessed */
- #define LLNA_BADADDR 0xD3 /* invalid address for designated slot */
-
- /* LLNET_RECV unique return codes */
- #define LLNR_BADSLOT 0xD1 /* slot doesn't exist or can't be accessed */
- #define LLNR_BADADDR 0xD2 /* designated slot was empty */
-
- /* address slot object indices */
- #define NULLSLOT 0 /* the null slot */
- #define MINMCSLOT 1 /* minimum multicast slot index */
- #define MAXMCSLOT 8 /* default maximum multicast slot index */
- #define PHYSSLOT 253 /* physical slot index */
- #define UNVRSSLOT 254 /* universal slot index */
- #define BROADSLOT 255 /* broadcast slot index */
-
- /* request mask bit definitions */
- #define WRITE_OBJ 1 /* write the object */
- #define READ_OBJ 2 /* read the object */
- #define ENABLE_RCV 4 /* enable reception on designated slot */
-
- /* NET_MODE options mask bit definitions */
- #define OPT_ALIGN 0x10 /* receive packets with alignment errors */
- #define OPT_CRC 0x20 /* receive packets with CRC errors */
- #define OPT_DSABLE 0x80 /* disconnect controller hardware */
-
- /* NET_MODE mode field value definitions */
- #define MODE_OFF 0 /* stop transmission and reception */
- #define MODE_PERF 1 /* perfect multicast address filtering */
- #define MODE_HW 2 /* hardware-only multicast address filtering */
- #define MODE_PROM 3 /* promiscuous reception */
-
- #define NFRAGMENTS 8 /* number fragments that the EXOS will scatter/gather */
- #define EXMAXRBUF 1518 /* per EXOS 202 manual 5.3.7 (maybe 1518 would do) */
-
- /*
- * N.B. Structures below are carefully constructed so that
- * they correspond to the message formats that NX firmware
- * defines. None of them should contain any compiler-instigated
- * padding. Be especially careful about VAX C longword alignment!
- */
-
- struct ex_stat {
- u_long sa_fsent; /* frames sent without errors */
- u_long sa_xsclsn; /* frames aborted excess collisions */
- u_long sa_nsqe; /* frames subject to heartbeat failure */
- u_long sa_undef; /* undefined (TDR on EXOS 101) */
- u_long sa_frcvd; /* frames received no errors */
- u_long sa_align; /* frames received alignment error */
- u_long sa_crc; /* frames received crc error */
- u_long sa_flost; /* frames lost */
- };
-
- struct buf_blk { /* packet/buffer block descriptor */
- u_short bb_len; /* length of block, in bytes */
- struct i86_long {
- u_short realaddr[2]; /* address of block */
- } bb_addr;
- /*
- * Array above is really a single u_long field.
- * We kludge its definition to defeat word-alignment.
- */
- };
-
- struct net_mode { /* read/write mode control objects */
- /*12*/ u_char nm_rqst; /* request code */
- /*13*/ u_char nm_rply; /* reply code */
- /*14*/ u_char nm_mask; /* bit-wise switches for read, write */
- /*15*/ u_char nm_optn; /* acceptable packet reception errors */
- /*16*/ u_char nm_mode; /* EXOS filtering mode */
- /*17*/
- };
-
- struct net_addrs { /* read/write receive address slots */
- /*12*/ u_char na_rqst; /* request code */
- /*13*/ u_char na_rply; /* reply code */
- /*14*/ u_char na_mask; /* bit-wise switches for read, write */
- /*15*/ u_char na_slot; /* index of address slot */
- /*16*/ u_char na_addrs[6]; /* address read and/or written */
- /*22*/
- };
-
- struct net_recv { /* read/alter receive slot enable bit */
- /*12*/ u_char nr_rqst; /* request code */
- /*13*/ u_char nr_rply; /* reply code */
- /*14*/ u_char nr_mask; /* bit-wise switches for read, write */
- /*15*/ u_char nr_slot; /* index of address slot */
- /*16*/
- };
-
- struct net_ststcs { /* read/reset network statistics objects */
- /*12*/ u_char ns_rqst; /* request code */
- /*13*/ u_char ns_rply; /* reply code */
- /*14*/ u_char ns_mask; /* bit-wise switches for read, write */
- /*15*/ u_char ns_rsrv; /* reserved for EXOS */
- /*16*/ u_short ns_nobj; /* number of objects to work on */
- /*18*/ u_short ns_xobj; /* index of first object to work on */
- /*20*/ u_long ns_bufp; /* pointer to statistics buffer */
- /*24*/
- };
-
- struct enet_xmit { /* send a packet on the Ethernet */
- /*12*/ u_char et_rqst; /* request code */
- /*13*/ u_char et_rply; /* reply code */
- /*14*/ u_char et_slot; /* address slot matching dest address */
- /*15*/ u_char et_nblock; /* number of blocks composing packet */
- /*16*/ struct buf_blk et_blks[NFRAGMENTS]; /* array of block descriptors */
- /*22-64*/
- };
-
- struct enet_recv { /* receive a packet on the Ethernet */
- /*12*/ u_char er_rqst; /* request code */
- /*13*/ u_char er_rply; /* reply code */
- /*14*/ u_char er_slot; /* address slot matching dest address */
- /*15*/ u_char er_nblock; /* number of blocks composing buffer */
- /*16*/ struct buf_blk er_blks[NFRAGMENTS]; /* array of block descriptors */
- /*22-64*/
- };
-
- /* we send requests and receive replys with the EXOS using this structure */
- struct ex_msg {
- /*00*/ u_short mb_link; /* address of next message buffer */
- /*02*/ u_char mb_rsrv; /* reserved for use by EXOS */
- /*03*/ u_char mb_status; /* used bit-wise for message protocol */
- /*04*/ u_short mb_length; /* length, in bytes, of the rest */
- /*06*/ short mb_1rsrv; /* reserved for used by EXOS */
- /*08*/ struct ifvba *mb_pkb; /* available to user */
- /*12*/ union mb_all {
- struct net_mode mb_net_mode;
- struct net_addrs mb_net_addrs;
- struct net_recv mb_net_recv;
- struct net_ststcs mb_net_ststcs;
- struct enet_xmit mb_enet_xmit;
- struct enet_recv mb_enet_recv;
- } mb_all;
- /* following field is used only by host, not read by board */
- struct ex_msg *mb_next; /* host's pointer to next message */
- };
- #define mb_nm mb_all.mb_net_mode
- #define mb_na mb_all.mb_net_addrs
- #define mb_nr mb_all.mb_net_recv
- #define mb_ns mb_all.mb_net_ststcs
- #define mb_et mb_all.mb_enet_xmit
- #define mb_er mb_all.mb_enet_recv
- #define mb_rqst mb_nm.nm_rqst
- #define mb_rply mb_nm.nm_rply
- #define MBDATALEN (sizeof(union mb_all)+6)
-
- struct ex_conf {
- /*00*/ u_short cm_1rsrv; /* reserved, must be 1 */
- /*02*/ char cm_vc[4]; /* returns ASCII version code */
- /*06*/ u_char cm_cc; /* returns config completion code */
- /*07*/ u_char cm_opmode; /* specifies operation mode */
- /*08*/ u_short cm_dfo; /* specifies host data format option */
- /*00*/ u_char cm_dcn1; /* reserved, must be 1 */
- /*11*/ u_char cm_2rsrv[2]; /* reserved, must be 0 */
- /*13*/ u_char cm_ham; /* specifies host address mode */
- /*14*/ u_char cm_3rsrv; /* reserved, must be 0 */
- /*15*/ u_char cm_mapsiz; /* reserved, must be 0 */
- /*16*/ u_char cm_byteptrn[4]; /* host data format option test pattern */
- /*20*/ u_short cm_wordptrn[2];
- /*24*/ u_long cm_lwordptrn;
- /*28*/ u_char cm_rsrvd[20];
- /*48*/ u_long cm_mba; /* use 0xFFFFFFFF in link level mode */
- /*52*/ u_char cm_nproc; /* use 0xFF in link level mode */
- /*53*/ u_char cm_nmbox; /* use 0xFF in link level mode */
- /*54*/ u_char cm_nmcast; /* use 0xFF in link level mode */
- /*55*/ u_char cm_nhost; /* use 1 in link level mode */
-
- /* the next five parameters define the request message queue */
- /*56*/ u_long cm_h2xba; /* base address of message queue */
- /*60*/ u_short cm_h2xhdr; /* address offset of msg Q header */
- /*62*/ u_char cm_h2xtyp; /* interrupt type */
- /*63*/ u_char cm_h2xval; /* interrupt value (not used) */
- /*64*/ u_short cm_h2xaddr; /* interrupt vector */
- /*66*/ u_short cm_h2xpad; /* pad out unused portion of vector */
-
- /* the next five parameters define the reply message queue */
- /*68*/ u_long cm_x2hba; /* base address of message queue */
- /*72*/ u_short cm_x2hhdr; /* address offset of msg Q header */
- /*74*/ u_char cm_x2htyp; /* interrupt type */
- /*75*/ u_char cm_x2hval; /* interrupt value (not used) */
- /*76*/ u_short cm_x2haddr; /* interrupt vector */
- /*78*/ u_short cm_x2hpad; /* pad out unused portion of vector */
- /*80*/
- };
-