747 lines
20 KiB
C
747 lines
20 KiB
C
/* $NetBSD: if_de.c,v 1.41 2003/08/07 16:30:07 agc Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1989 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)if_de.c 7.12 (Berkeley) 12/16/90
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*/
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/*
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* DEC DEUNA interface
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*
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* Lou Salkind
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* New York University
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*
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* TODO:
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* timeout routine (get statistics)
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_de.c,v 1.41 2003/08/07 16:30:07 agc Exp $");
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#include "opt_inet.h"
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#include "opt_iso.h"
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#include "opt_ns.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/buf.h>
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#include <sys/protosw.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <machine/pte.h>
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#include <machine/sid.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_dl.h>
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/in_var.h>
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#include <netinet/ip.h>
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#include <netinet/if_inarp.h>
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#endif
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#ifdef NS
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#include <netns/ns.h>
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#include <netns/ns_if.h>
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#endif
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#ifdef ISO
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#include <netiso/iso.h>
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#include <netiso/iso_var.h>
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extern char all_es_snpa[], all_is_snpa[];
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#endif
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#include <machine/cpu.h>
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#include <machine/mtpr.h>
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#include <vax/if/if_dereg.h>
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#include <vax/if/if_uba.h>
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#include <vax/uba/ubareg.h>
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#include <vax/uba/ubavar.h>
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#define NXMT 3 /* number of transmit buffers */
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#define NRCV 7 /* number of receive buffers (must be > 1) */
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int dedebug = 0;
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/*
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* Ethernet software status per interface.
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*
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* Each interface is referenced by a network interface structure,
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* ds_if, which the routing code uses to locate the interface.
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* This structure contains the output queue for the interface, its address, ...
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* We also have, for each interface, a UBA interface structure, which
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* contains information about the UNIBUS resources held by the interface:
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* map registers, buffered data paths, etc. Information is cached in this
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* structure for use by the if_uba.c routines in running the interface
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* efficiently.
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*/
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struct de_softc {
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struct device ds_dev; /* Configuration common part */
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struct ethercom ds_ec; /* Ethernet common part */
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struct dedevice *ds_vaddr; /* Virtual address of this interface */
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#define ds_if ds_ec.ec_if /* network-visible interface */
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int ds_flags;
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#define DSF_RUNNING 2 /* board is enabled */
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#define DSF_SETADDR 4 /* physical address is changed */
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int ds_ubaddr; /* map info for incore structs */
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struct ifubinfo ds_deuba; /* unibus resource structure */
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struct ifrw ds_ifr[NRCV]; /* unibus receive maps */
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struct ifxmt ds_ifw[NXMT]; /* unibus xmt maps */
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/* the following structures are always mapped in */
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struct de_pcbb ds_pcbb; /* port control block */
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struct de_ring ds_xrent[NXMT]; /* transmit ring entrys */
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struct de_ring ds_rrent[NRCV]; /* receive ring entrys */
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struct de_udbbuf ds_udbbuf; /* UNIBUS data buffer */
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/* end mapped area */
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#define INCORE_BASE(p) ((char *)&(p)->ds_pcbb)
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#define RVAL_OFF(s,n) ((char *)&(s)->n - INCORE_BASE(s))
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#define LVAL_OFF(s,n) ((char *)(s)->n - INCORE_BASE(s))
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#define PCBB_OFFSET(s) RVAL_OFF(s,ds_pcbb)
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#define XRENT_OFFSET(s) LVAL_OFF(s,ds_xrent)
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#define RRENT_OFFSET(s) LVAL_OFF(s,ds_rrent)
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#define UDBBUF_OFFSET(s) RVAL_OFF(s,ds_udbbuf)
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#define INCORE_SIZE(s) RVAL_OFF(s, ds_xindex)
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int ds_xindex; /* UNA index into transmit chain */
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int ds_rindex; /* UNA index into receive chain */
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int ds_xfree; /* index for next transmit buffer */
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int ds_nxmit; /* # of transmits in progress */
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};
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int dematch __P((struct device *, struct cfdata *, void *));
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void deattach __P((struct device *, struct device *, void *));
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int dewait __P((struct de_softc *, char *));
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void deinit __P((struct de_softc *));
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int deioctl __P((struct ifnet *, u_long, caddr_t));
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void dereset __P((int));
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void destart __P((struct ifnet *));
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void deread __P((struct de_softc *, struct ifrw *, int));
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void derecv __P((int));
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void de_setaddr __P((u_char *, struct de_softc *));
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void deintr __P((int));
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CFATTACH_DECL(de, sizeof(struct de_softc),
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dematch, deattach, NULL, NULL);
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extern struct cfdriver de_cd;
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/*
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* Interface exists: make available by filling in network interface
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* record. System will initialize the interface when it is ready
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* to accept packets. We get the ethernet address here.
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*/
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void
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deattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct uba_attach_args *ua = aux;
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struct de_softc *ds = (struct de_softc *)self;
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struct ifnet *ifp = &ds->ds_if;
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struct dedevice *addr;
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char *c;
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int csr1;
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u_int8_t myaddr[ETHER_ADDR_LEN];
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addr = (struct dedevice *)ua->ua_addr;
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ds->ds_vaddr = addr;
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bcopy(ds->ds_dev.dv_xname, ifp->if_xname, IFNAMSIZ);
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ifp->if_softc = ds;
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ifp->if_flags = IFF_BROADCAST | IFF_NOTRAILERS;
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/*
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* What kind of a board is this?
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* The error bits 4-6 in pcsr1 are a device id as long as
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* the high byte is zero.
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*/
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csr1 = addr->pcsr1;
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if (csr1 & 0xff60)
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c = "broken";
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else if (csr1 & 0x10)
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c = "delua";
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else
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c = "deuna";
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printf("\n%s: %s\n", ds->ds_dev.dv_xname, c);
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/*
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* Reset the board and temporarily map
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* the pcbb buffer onto the Unibus.
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*/
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addr->pcsr0 = 0; /* reset INTE */
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DELAY(100);
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addr->pcsr0 = PCSR0_RSET;
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(void)dewait(ds, "reset");
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ds->ds_ubaddr = uballoc((void *)ds->ds_dev.dv_parent,
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(char *)&ds->ds_pcbb, sizeof (struct de_pcbb), 0);
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addr->pcsr2 = ds->ds_ubaddr & 0xffff;
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addr->pcsr3 = (ds->ds_ubaddr >> 16) & 0x3;
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addr->pclow = CMD_GETPCBB;
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(void)dewait(ds, "pcbb");
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ds->ds_pcbb.pcbb0 = FC_RDPHYAD;
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addr->pclow = CMD_GETCMD;
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(void)dewait(ds, "read addr ");
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ubarelse((void *)ds->ds_dev.dv_parent, &ds->ds_ubaddr);
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bcopy((caddr_t)&ds->ds_pcbb.pcbb2, myaddr, sizeof (myaddr));
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printf("%s: hardware address %s\n", ds->ds_dev.dv_xname,
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ether_sprintf(myaddr));
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ifp->if_ioctl = deioctl;
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ifp->if_start = destart;
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ds->ds_deuba.iff_flags = UBA_CANTWAIT;
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#ifdef notdef
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/* CAN WE USE BDP's ??? */
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ds->ds_deuba.iff_flags |= UBA_NEEDBDP;
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#endif
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if_attach(ifp);
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ether_ifattach(ifp, myaddr);
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}
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/*
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* Reset of interface after UNIBUS reset.
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*/
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void
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dereset(unit)
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int unit;
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{
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struct de_softc *sc = de_cd.cd_devs[unit];
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volatile struct dedevice *addr = sc->ds_vaddr;
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printf(" de%d", unit);
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sc->ds_if.if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
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sc->ds_flags &= ~DSF_RUNNING;
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addr->pcsr0 = PCSR0_RSET;
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(void)dewait(sc, "reset");
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deinit(sc);
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}
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/*
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* Initialization of interface; clear recorded pending
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* operations, and reinitialize UNIBUS usage.
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*/
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void
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deinit(ds)
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struct de_softc *ds;
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{
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volatile struct dedevice *addr;
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struct ifnet *ifp = &ds->ds_if;
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struct ifrw *ifrw;
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struct ifxmt *ifxp;
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struct de_ring *rp;
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int s,incaddr;
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/* not yet, if address still unknown */
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if (ifp->if_addrlist.tqh_first == (struct ifaddr *)0)
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return;
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if (ds->ds_flags & DSF_RUNNING)
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return;
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if ((ifp->if_flags & IFF_RUNNING) == 0) {
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if (if_ubaminit(&ds->ds_deuba, (void *)ds->ds_dev.dv_parent,
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sizeof (struct ether_header), (int)vax_btoc(ETHERMTU),
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ds->ds_ifr, NRCV, ds->ds_ifw, NXMT) == 0) {
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printf("%s: can't initialize\n", ds->ds_dev.dv_xname);
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ds->ds_if.if_flags &= ~IFF_UP;
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return;
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}
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ds->ds_ubaddr = uballoc((void *)ds->ds_dev.dv_parent,
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INCORE_BASE(ds), INCORE_SIZE(ds), 0);
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}
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addr = ds->ds_vaddr;
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/* set the pcbb block address */
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incaddr = ds->ds_ubaddr + PCBB_OFFSET(ds);
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addr->pcsr2 = incaddr & 0xffff;
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addr->pcsr3 = (incaddr >> 16) & 0x3;
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addr->pclow = 0; /* reset INTE */
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DELAY(500);
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addr->pclow = CMD_GETPCBB;
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(void)dewait(ds, "pcbb");
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/* set the transmit and receive ring header addresses */
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incaddr = ds->ds_ubaddr + UDBBUF_OFFSET(ds);
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ds->ds_pcbb.pcbb0 = FC_WTRING;
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ds->ds_pcbb.pcbb2 = incaddr & 0xffff;
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ds->ds_pcbb.pcbb4 = (incaddr >> 16) & 0x3;
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incaddr = ds->ds_ubaddr + XRENT_OFFSET(ds);
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ds->ds_udbbuf.b_tdrbl = incaddr & 0xffff;
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ds->ds_udbbuf.b_tdrbh = (incaddr >> 16) & 0x3;
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ds->ds_udbbuf.b_telen = sizeof (struct de_ring) / sizeof (short);
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ds->ds_udbbuf.b_trlen = NXMT;
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incaddr = ds->ds_ubaddr + RRENT_OFFSET(ds);
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ds->ds_udbbuf.b_rdrbl = incaddr & 0xffff;
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ds->ds_udbbuf.b_rdrbh = (incaddr >> 16) & 0x3;
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ds->ds_udbbuf.b_relen = sizeof (struct de_ring) / sizeof (short);
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ds->ds_udbbuf.b_rrlen = NRCV;
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addr->pclow = CMD_GETCMD;
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(void)dewait(ds, "wtring");
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/* initialize the mode - enable hardware padding */
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ds->ds_pcbb.pcbb0 = FC_WTMODE;
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/* let hardware do padding - set MTCH bit on broadcast */
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ds->ds_pcbb.pcbb2 = MOD_TPAD|MOD_HDX;
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addr->pclow = CMD_GETCMD;
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(void)dewait(ds, "wtmode");
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/* set up the receive and transmit ring entries */
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ifxp = &ds->ds_ifw[0];
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for (rp = &ds->ds_xrent[0]; rp < &ds->ds_xrent[NXMT]; rp++) {
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rp->r_segbl = ifxp->ifw_info & 0xffff;
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rp->r_segbh = (ifxp->ifw_info >> 16) & 0x3;
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rp->r_flags = 0;
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ifxp++;
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}
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ifrw = &ds->ds_ifr[0];
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for (rp = &ds->ds_rrent[0]; rp < &ds->ds_rrent[NRCV]; rp++) {
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rp->r_slen = sizeof (struct de_buf);
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rp->r_segbl = ifrw->ifrw_info & 0xffff;
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rp->r_segbh = (ifrw->ifrw_info >> 16) & 0x3;
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rp->r_flags = RFLG_OWN; /* hang receive */
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ifrw++;
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}
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/* start up the board (rah rah) */
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s = splnet();
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ds->ds_rindex = ds->ds_xindex = ds->ds_xfree = ds->ds_nxmit = 0;
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ds->ds_if.if_flags |= IFF_RUNNING;
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addr->pclow = PCSR0_INTE; /* avoid interlock */
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destart(&ds->ds_if); /* queue output packets */
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ds->ds_flags |= DSF_RUNNING; /* need before de_setaddr */
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if (ds->ds_flags & DSF_SETADDR)
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de_setaddr(LLADDR(ds->ds_if.if_sadl), ds);
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addr->pclow = CMD_START | PCSR0_INTE;
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splx(s);
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}
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/*
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* Setup output on interface.
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* Get another datagram to send off of the interface queue,
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* and map it to the interface before starting the output.
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* Must be called from ipl >= our interrupt level.
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*/
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void
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destart(ifp)
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struct ifnet *ifp;
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{
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int len;
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register struct de_softc *ds = ifp->if_softc;
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volatile struct dedevice *addr = ds->ds_vaddr;
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register struct de_ring *rp;
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struct mbuf *m;
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register int nxmit;
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/*
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* the following test is necessary, since
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* the code is not reentrant and we have
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* multiple transmission buffers.
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*/
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if (ds->ds_if.if_flags & IFF_OACTIVE)
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return;
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for (nxmit = ds->ds_nxmit; nxmit < NXMT; nxmit++) {
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IF_DEQUEUE(&ds->ds_if.if_snd, m);
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if (m == 0)
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break;
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rp = &ds->ds_xrent[ds->ds_xfree];
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if (rp->r_flags & XFLG_OWN)
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panic("deuna xmit in progress");
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len = if_ubaput(&ds->ds_deuba, &ds->ds_ifw[ds->ds_xfree], m);
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if (ds->ds_deuba.iff_flags & UBA_NEEDBDP) {
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struct uba_softc *uh = (void *)ds->ds_dev.dv_parent;
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if (uh->uh_ubapurge)
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(*uh->uh_ubapurge)
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(uh, ds->ds_ifw[ds->ds_xfree].ifw_bdp);
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}
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rp->r_slen = len;
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rp->r_tdrerr = 0;
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rp->r_flags = XFLG_STP|XFLG_ENP|XFLG_OWN;
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ds->ds_xfree++;
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if (ds->ds_xfree == NXMT)
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ds->ds_xfree = 0;
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}
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if (ds->ds_nxmit != nxmit) {
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ds->ds_nxmit = nxmit;
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if (ds->ds_flags & DSF_RUNNING)
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addr->pclow = PCSR0_INTE|CMD_PDMD;
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}
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}
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/*
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* Command done interrupt.
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*/
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void
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deintr(unit)
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int unit;
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{
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volatile struct dedevice *addr;
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register struct de_softc *ds;
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register struct de_ring *rp;
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register struct ifxmt *ifxp;
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short csr0;
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ds = de_cd.cd_devs[unit];
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addr = ds->ds_vaddr;
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/* save flags right away - clear out interrupt bits */
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csr0 = addr->pcsr0;
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addr->pchigh = csr0 >> 8;
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ds->ds_if.if_flags |= IFF_OACTIVE; /* prevent entering destart */
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/*
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* if receive, put receive buffer on mbuf
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* and hang the request again
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*/
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derecv(unit);
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/*
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* Poll transmit ring and check status.
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* Be careful about loopback requests.
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* Then free buffer space and check for
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* more transmit requests.
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*/
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for ( ; ds->ds_nxmit > 0; ds->ds_nxmit--) {
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rp = &ds->ds_xrent[ds->ds_xindex];
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if (rp->r_flags & XFLG_OWN)
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break;
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ds->ds_if.if_opackets++;
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ifxp = &ds->ds_ifw[ds->ds_xindex];
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/* check for unusual conditions */
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if (rp->r_flags & (XFLG_ERRS|XFLG_MTCH|XFLG_ONE|XFLG_MORE)) {
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if (rp->r_flags & XFLG_ERRS) {
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/* output error */
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ds->ds_if.if_oerrors++;
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if (dedebug) {
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char bits[64];
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printf("de%d: oerror, flags=%s ",
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|
unit, bitmask_snprintf(rp->r_flags,
|
|
XFLG_BITS, bits, sizeof(bits)));
|
|
printf("tdrerr=%s (len=%d)\n",
|
|
bitmask_snprintf(rp->r_tdrerr,
|
|
XERR_BITS, bits, sizeof(bits)),
|
|
rp->r_slen);
|
|
}
|
|
} else if (rp->r_flags & XFLG_ONE) {
|
|
/* one collision */
|
|
ds->ds_if.if_collisions++;
|
|
} else if (rp->r_flags & XFLG_MORE) {
|
|
/* more than one collision */
|
|
ds->ds_if.if_collisions += 2; /* guess */
|
|
} else if (rp->r_flags & XFLG_MTCH) {
|
|
/* received our own packet */
|
|
ds->ds_if.if_ipackets++;
|
|
deread(ds, &ifxp->ifrw,
|
|
rp->r_slen - sizeof (struct ether_header));
|
|
}
|
|
}
|
|
if (ifxp->ifw_xtofree) {
|
|
m_freem(ifxp->ifw_xtofree);
|
|
ifxp->ifw_xtofree = 0;
|
|
}
|
|
/* check if next transmit buffer also finished */
|
|
ds->ds_xindex++;
|
|
if (ds->ds_xindex == NXMT)
|
|
ds->ds_xindex = 0;
|
|
}
|
|
ds->ds_if.if_flags &= ~IFF_OACTIVE;
|
|
destart(&ds->ds_if);
|
|
|
|
if (csr0 & PCSR0_RCBI) {
|
|
if (dedebug)
|
|
log(LOG_WARNING, "de%d: buffer unavailable\n", unit);
|
|
addr->pclow = PCSR0_INTE|CMD_PDMD;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Ethernet interface receiver interface.
|
|
* If input error just drop packet.
|
|
* Otherwise purge input buffered data path and examine
|
|
* packet to determine type. If can't determine length
|
|
* from type, then have to drop packet. Othewise decapsulate
|
|
* packet based on type and pass to type specific higher-level
|
|
* input routine.
|
|
*/
|
|
void
|
|
derecv(unit)
|
|
int unit;
|
|
{
|
|
register struct de_softc *ds = de_cd.cd_devs[unit];
|
|
register struct de_ring *rp;
|
|
int len;
|
|
|
|
rp = &ds->ds_rrent[ds->ds_rindex];
|
|
while ((rp->r_flags & RFLG_OWN) == 0) {
|
|
ds->ds_if.if_ipackets++;
|
|
if (ds->ds_deuba.iff_flags & UBA_NEEDBDP) {
|
|
struct uba_softc *uh = (void *)ds->ds_dev.dv_parent;
|
|
|
|
if (uh->uh_ubapurge)
|
|
(*uh->uh_ubapurge)
|
|
(uh,ds->ds_ifr[ds->ds_rindex].ifrw_bdp);
|
|
}
|
|
len = (rp->r_lenerr&RERR_MLEN) - sizeof (struct ether_header)
|
|
- 4; /* don't forget checksum! */
|
|
/* check for errors */
|
|
if ((rp->r_flags & (RFLG_ERRS|RFLG_FRAM|RFLG_OFLO|RFLG_CRC)) ||
|
|
(rp->r_flags&(RFLG_STP|RFLG_ENP)) != (RFLG_STP|RFLG_ENP) ||
|
|
(rp->r_lenerr & (RERR_BUFL|RERR_UBTO|RERR_NCHN)) ||
|
|
len < ETHERMIN || len > ETHERMTU) {
|
|
ds->ds_if.if_ierrors++;
|
|
if (dedebug) {
|
|
char bits[64];
|
|
printf("de%d: ierror, flags=%s ",
|
|
unit, bitmask_snprintf(rp->r_flags,
|
|
RFLG_BITS, bits, sizeof(bits)));
|
|
printf("lenerr=%s (len=%d)\n",
|
|
bitmask_snprintf(rp->r_lenerr,
|
|
RERR_BITS, bits, sizeof(bits)),
|
|
len);
|
|
}
|
|
} else
|
|
deread(ds, &ds->ds_ifr[ds->ds_rindex], len);
|
|
|
|
/* hang the receive buffer again */
|
|
rp->r_lenerr = 0;
|
|
rp->r_flags = RFLG_OWN;
|
|
|
|
/* check next receive buffer */
|
|
ds->ds_rindex++;
|
|
if (ds->ds_rindex == NRCV)
|
|
ds->ds_rindex = 0;
|
|
rp = &ds->ds_rrent[ds->ds_rindex];
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Pass a packet to the higher levels.
|
|
* We deal with the trailer protocol here.
|
|
*/
|
|
void
|
|
deread(ds, ifrw, len)
|
|
register struct de_softc *ds;
|
|
struct ifrw *ifrw;
|
|
int len;
|
|
{
|
|
struct ether_header *eh;
|
|
struct mbuf *m;
|
|
|
|
/*
|
|
* Deal with trailer protocol: if type is trailer type
|
|
* get true type from first 16-bit word past data.
|
|
* Remember that type was trailer by setting off.
|
|
*/
|
|
eh = (struct ether_header *)ifrw->ifrw_addr;
|
|
if (len == 0)
|
|
return;
|
|
|
|
/*
|
|
* Pull packet off interface. Off is nonzero if packet
|
|
* has trailing header; if_ubaget will then force this header
|
|
* information to be at the front.
|
|
*/
|
|
m = if_ubaget(&ds->ds_deuba, ifrw, len, &ds->ds_if);
|
|
if (m) {
|
|
/*
|
|
* XXX I'll let ragge make this sane. I'm not entirely
|
|
* XXX sure what's going on in if_ubaget().
|
|
*/
|
|
M_PREPEND(m, sizeof(struct ether_header), M_DONTWAIT);
|
|
if (m) {
|
|
*mtod(m, struct ether_header *) = *eh;
|
|
(*ds->ds_if.if_input)(&ds->ds_if, m);
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Process an ioctl request.
|
|
*/
|
|
int
|
|
deioctl(ifp, cmd, data)
|
|
register struct ifnet *ifp;
|
|
u_long cmd;
|
|
caddr_t data;
|
|
{
|
|
register struct ifaddr *ifa = (struct ifaddr *)data;
|
|
register struct de_softc *ds = ifp->if_softc;
|
|
int s = splnet(), error = 0;
|
|
|
|
switch (cmd) {
|
|
|
|
case SIOCSIFADDR:
|
|
ifp->if_flags |= IFF_UP;
|
|
deinit(ds);
|
|
|
|
switch (ifa->ifa_addr->sa_family) {
|
|
#ifdef INET
|
|
case AF_INET:
|
|
arp_ifinit(ifp, ifa);
|
|
break;
|
|
#endif
|
|
#ifdef NS
|
|
case AF_NS:
|
|
{
|
|
register struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
|
|
|
|
if (ns_nullhost(*ina))
|
|
ina->x_host =
|
|
*(union ns_host *)LLADDR(ifp->if_sadl);
|
|
else
|
|
de_setaddr(ina->x_host.c_host, ds);
|
|
break;
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case SIOCSIFFLAGS:
|
|
if ((ifp->if_flags & IFF_UP) == 0 &&
|
|
ds->ds_flags & DSF_RUNNING) {
|
|
ds->ds_vaddr->pclow = 0;
|
|
DELAY(5000);
|
|
ds->ds_vaddr->pclow = PCSR0_RSET;
|
|
ds->ds_flags &= ~DSF_RUNNING;
|
|
ds->ds_if.if_flags &= ~IFF_OACTIVE;
|
|
} else if (ifp->if_flags & IFF_UP &&
|
|
(ds->ds_flags & DSF_RUNNING) == 0)
|
|
deinit(ds);
|
|
break;
|
|
|
|
default:
|
|
error = EINVAL;
|
|
}
|
|
splx(s);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* set ethernet address for unit
|
|
*/
|
|
void
|
|
de_setaddr(physaddr, ds)
|
|
u_char *physaddr;
|
|
struct de_softc *ds;
|
|
{
|
|
volatile struct dedevice *addr= ds->ds_vaddr;
|
|
|
|
if (! (ds->ds_flags & DSF_RUNNING))
|
|
return;
|
|
|
|
bcopy((caddr_t) physaddr, (caddr_t) &ds->ds_pcbb.pcbb2, 6);
|
|
ds->ds_pcbb.pcbb0 = FC_WTPHYAD;
|
|
addr->pclow = PCSR0_INTE|CMD_GETCMD;
|
|
if (dewait(ds, "address change") == 0) {
|
|
ds->ds_flags |= DSF_SETADDR;
|
|
bcopy((caddr_t) physaddr, LLADDR(ds->ds_if.if_sadl), 6);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Await completion of the named function
|
|
* and check for errors.
|
|
*/
|
|
int
|
|
dewait(ds, fn)
|
|
register struct de_softc *ds;
|
|
char *fn;
|
|
{
|
|
volatile struct dedevice *addr = ds->ds_vaddr;
|
|
register int csr0;
|
|
|
|
while ((addr->pcsr0 & PCSR0_INTR) == 0)
|
|
;
|
|
csr0 = addr->pcsr0;
|
|
addr->pchigh = csr0 >> 8;
|
|
if (csr0 & PCSR0_PCEI) {
|
|
char bits[64];
|
|
printf("de%d: %s failed, csr0=%s ", ds->ds_dev.dv_unit, fn,
|
|
bitmask_snprintf(csr0, PCSR0_BITS, bits, sizeof(bits)));
|
|
printf("csr1=%s\n", bitmask_snprintf(addr->pcsr1, PCSR1_BITS,
|
|
bits, sizeof(bits)));
|
|
}
|
|
return (csr0 & PCSR0_PCEI);
|
|
}
|
|
|
|
int
|
|
dematch(parent, cf, aux)
|
|
struct device *parent;
|
|
struct cfdata *cf;
|
|
void *aux;
|
|
{
|
|
struct uba_attach_args *ua = aux;
|
|
volatile struct dedevice *addr = (struct dedevice *)ua->ua_addr;
|
|
int i;
|
|
|
|
/*
|
|
* Make sure self-test is finished before we screw with the board.
|
|
* Self-test on a DELUA can take 15 seconds (argh).
|
|
*/
|
|
for (i = 0;
|
|
i < 160 &&
|
|
(addr->pcsr0 & PCSR0_FATI) == 0 &&
|
|
(addr->pcsr1 & PCSR1_STMASK) == STAT_RESET;
|
|
++i)
|
|
DELAY(50000);
|
|
if (((addr->pcsr0 & PCSR0_FATI) != 0) ||
|
|
(((addr->pcsr1 & PCSR1_STMASK) != STAT_READY) &&
|
|
((addr->pcsr1 & PCSR1_STMASK) != STAT_RUN)))
|
|
return(0);
|
|
|
|
addr->pcsr0 = 0;
|
|
DELAY(5000);
|
|
addr->pcsr0 = PCSR0_RSET;
|
|
while ((addr->pcsr0 & PCSR0_INTR) == 0)
|
|
;
|
|
/* make board interrupt by executing a GETPCBB command */
|
|
addr->pcsr0 = PCSR0_INTE;
|
|
addr->pcsr2 = 0;
|
|
addr->pcsr3 = 0;
|
|
addr->pcsr0 = PCSR0_INTE|CMD_GETPCBB;
|
|
DELAY(50000);
|
|
|
|
ua->ua_ivec = deintr;
|
|
ua->ua_reset = dereset; /* Wish to be called after ubareset */
|
|
|
|
return 1;
|
|
}
|