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if_eg.c revision 1.76.10.1
      1  1.76.10.1      haad /*	$NetBSD: if_eg.c,v 1.76.10.1 2008/12/13 01:14:26 haad Exp $	*/
      2        1.4       cgd 
      3        1.1   deraadt /*
      4        1.1   deraadt  * Copyright (c) 1993 Dean Huxley <dean (at) fsa.ca>
      5        1.1   deraadt  * All rights reserved.
      6        1.1   deraadt  *
      7        1.1   deraadt  * Redistribution and use in source and binary forms, with or without
      8        1.1   deraadt  * modification, are permitted provided that the following conditions
      9        1.1   deraadt  * are met:
     10        1.1   deraadt  * 1. Redistributions of source code must retain the above copyright
     11        1.1   deraadt  *    notice, this list of conditions and the following disclaimer.
     12        1.1   deraadt  * 2. Redistributions in binary form must reproduce the above copyright
     13        1.1   deraadt  *    notice, this list of conditions and the following disclaimer in the
     14        1.1   deraadt  *    documentation and/or other materials provided with the distribution.
     15        1.1   deraadt  * 3. All advertising materials mentioning features or use of this software
     16        1.1   deraadt  *    must display the following acknowledgement:
     17        1.1   deraadt  *      This product includes software developed by Dean Huxley.
     18        1.1   deraadt  * 4. The name of Dean Huxley may not be used to endorse or promote products
     19        1.1   deraadt  *    derived from this software without specific prior written permission.
     20        1.1   deraadt  *
     21        1.1   deraadt  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22        1.1   deraadt  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23        1.1   deraadt  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24        1.1   deraadt  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25        1.1   deraadt  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26        1.1   deraadt  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27        1.1   deraadt  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28        1.1   deraadt  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29        1.1   deraadt  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30        1.1   deraadt  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31       1.22   hpeyerl  */
     32       1.22   hpeyerl /*
     33       1.22   hpeyerl  * Support for 3Com 3c505 Etherlink+ card.
     34        1.1   deraadt  */
     35        1.1   deraadt 
     36       1.57   thorpej /*
     37       1.57   thorpej  * To do:
     38        1.1   deraadt  * - multicast
     39        1.1   deraadt  * - promiscuous
     40        1.1   deraadt  */
     41       1.55     lukem 
     42       1.55     lukem #include <sys/cdefs.h>
     43  1.76.10.1      haad __KERNEL_RCSID(0, "$NetBSD: if_eg.c,v 1.76.10.1 2008/12/13 01:14:26 haad Exp $");
     44       1.55     lukem 
     45       1.42  jonathan #include "opt_inet.h"
     46        1.1   deraadt #include "bpfilter.h"
     47       1.37  explorer #include "rnd.h"
     48        1.1   deraadt 
     49        1.1   deraadt #include <sys/param.h>
     50       1.31   thorpej #include <sys/systm.h>
     51        1.1   deraadt #include <sys/mbuf.h>
     52        1.1   deraadt #include <sys/socket.h>
     53        1.1   deraadt #include <sys/ioctl.h>
     54        1.1   deraadt #include <sys/errno.h>
     55        1.1   deraadt #include <sys/syslog.h>
     56        1.1   deraadt #include <sys/select.h>
     57        1.1   deraadt #include <sys/device.h>
     58       1.37  explorer #if NRND > 0
     59       1.37  explorer #include <sys/rnd.h>
     60       1.37  explorer #endif
     61        1.1   deraadt 
     62        1.1   deraadt #include <net/if.h>
     63        1.1   deraadt #include <net/if_dl.h>
     64        1.1   deraadt #include <net/if_types.h>
     65       1.33        is 
     66       1.33        is #include <net/if_ether.h>
     67        1.1   deraadt 
     68        1.1   deraadt #ifdef INET
     69        1.1   deraadt #include <netinet/in.h>
     70        1.1   deraadt #include <netinet/in_systm.h>
     71        1.1   deraadt #include <netinet/in_var.h>
     72        1.1   deraadt #include <netinet/ip.h>
     73       1.33        is #include <netinet/if_inarp.h>
     74        1.1   deraadt #endif
     75        1.1   deraadt 
     76        1.1   deraadt 
     77        1.1   deraadt #if NBPFILTER > 0
     78        1.1   deraadt #include <net/bpf.h>
     79        1.1   deraadt #include <net/bpfdesc.h>
     80        1.1   deraadt #endif
     81        1.1   deraadt 
     82       1.73        ad #include <sys/cpu.h>
     83       1.73        ad #include <sys/intr.h>
     84       1.73        ad #include <sys/bus.h>
     85        1.1   deraadt 
     86       1.12       cgd #include <dev/isa/isavar.h>
     87       1.10       cgd #include <dev/isa/if_egreg.h>
     88       1.10       cgd #include <dev/isa/elink.h>
     89        1.1   deraadt 
     90        1.1   deraadt /* for debugging convenience */
     91        1.1   deraadt #ifdef EGDEBUG
     92       1.30  christos #define DPRINTF(x) printf x
     93        1.1   deraadt #else
     94       1.29  christos #define DPRINTF(x)
     95        1.1   deraadt #endif
     96        1.1   deraadt 
     97        1.1   deraadt #define EG_INLEN  	10
     98        1.1   deraadt #define EG_BUFLEN	0x0670
     99        1.1   deraadt 
    100       1.40  drochner #define EG_PCBLEN 64
    101       1.40  drochner 
    102        1.1   deraadt /*
    103        1.1   deraadt  * Ethernet software status per interface.
    104        1.1   deraadt  */
    105        1.1   deraadt struct eg_softc {
    106        1.1   deraadt 	struct device sc_dev;
    107       1.12       cgd 	void *sc_ih;
    108       1.33        is 	struct ethercom sc_ethercom;	/* Ethernet common part */
    109       1.32   thorpej 	bus_space_tag_t sc_iot;		/* bus space identifier */
    110       1.32   thorpej 	bus_space_handle_t sc_ioh;	/* i/o handle */
    111       1.65     perry 	u_int8_t eg_rom_major;		/* Cards ROM version (major number) */
    112       1.65     perry 	u_int8_t eg_rom_minor;		/* Cards ROM version (minor number) */
    113       1.27   thorpej 	short	 eg_ram;		/* Amount of RAM on the card */
    114       1.40  drochner 	u_int8_t eg_pcb[EG_PCBLEN];	/* Primary Command Block buffer */
    115       1.27   thorpej 	u_int8_t eg_incount;		/* Number of buffers currently used */
    116       1.72  christos 	void *	eg_inbuf;		/* Incoming packet buffer */
    117       1.72  christos 	void *	eg_outbuf;		/* Outgoing packet buffer */
    118       1.37  explorer 
    119       1.37  explorer #if NRND > 0
    120       1.37  explorer 	rndsource_element_t rnd_source;
    121       1.37  explorer #endif
    122        1.1   deraadt };
    123        1.1   deraadt 
    124       1.64     perry int egprobe(struct device *, struct cfdata *, void *);
    125       1.64     perry void egattach(struct device *, struct device *, void *);
    126        1.1   deraadt 
    127       1.59   thorpej CFATTACH_DECL(eg, sizeof(struct eg_softc),
    128       1.60   thorpej     egprobe, egattach, NULL, NULL);
    129        1.1   deraadt 
    130       1.64     perry int egintr(void *);
    131       1.64     perry void eginit(struct eg_softc *);
    132       1.72  christos int egioctl(struct ifnet *, u_long, void *);
    133       1.64     perry void egrecv(struct eg_softc *);
    134       1.64     perry void egstart(struct ifnet *);
    135       1.64     perry void egwatchdog(struct ifnet *);
    136       1.64     perry void egreset(struct eg_softc *);
    137       1.72  christos void egread(struct eg_softc *, void *, int);
    138       1.72  christos struct mbuf *egget(struct eg_softc *, void *, int);
    139       1.64     perry void egstop(struct eg_softc *);
    140       1.64     perry 
    141       1.64     perry static inline void egprintpcb(u_int8_t *);
    142       1.64     perry static inline void egprintstat(u_char);
    143       1.64     perry static int egoutPCB(bus_space_tag_t, bus_space_handle_t, u_int8_t);
    144       1.64     perry static int egreadPCBstat(bus_space_tag_t, bus_space_handle_t, u_int8_t);
    145       1.64     perry static int egreadPCBready(bus_space_tag_t, bus_space_handle_t);
    146       1.64     perry static int egwritePCB(bus_space_tag_t, bus_space_handle_t, u_int8_t *);
    147       1.64     perry static int egreadPCB(bus_space_tag_t, bus_space_handle_t, u_int8_t *);
    148       1.31   thorpej 
    149        1.1   deraadt /*
    150        1.1   deraadt  * Support stuff
    151        1.1   deraadt  */
    152       1.65     perry 
    153        1.1   deraadt static inline void
    154       1.40  drochner egprintpcb(pcb)
    155       1.40  drochner 	u_int8_t *pcb;
    156        1.1   deraadt {
    157        1.1   deraadt 	int i;
    158       1.65     perry 
    159       1.40  drochner 	for (i = 0; i < pcb[1] + 2; i++)
    160       1.40  drochner 		DPRINTF(("pcb[%2d] = %x\n", i, pcb[i]));
    161        1.1   deraadt }
    162        1.1   deraadt 
    163        1.1   deraadt 
    164        1.1   deraadt static inline void
    165       1.71  christos egprintstat(u_char b)
    166        1.1   deraadt {
    167       1.65     perry 	DPRINTF(("%s %s %s %s %s %s %s\n",
    168        1.1   deraadt 		 (b & EG_STAT_HCRE)?"HCRE":"",
    169        1.1   deraadt 		 (b & EG_STAT_ACRF)?"ACRF":"",
    170        1.1   deraadt 		 (b & EG_STAT_DIR )?"DIR ":"",
    171        1.1   deraadt 		 (b & EG_STAT_DONE)?"DONE":"",
    172        1.1   deraadt 		 (b & EG_STAT_ASF3)?"ASF3":"",
    173        1.1   deraadt 		 (b & EG_STAT_ASF2)?"ASF2":"",
    174        1.1   deraadt 		 (b & EG_STAT_ASF1)?"ASF1":""));
    175        1.1   deraadt }
    176        1.1   deraadt 
    177        1.1   deraadt static int
    178       1.40  drochner egoutPCB(iot, ioh, b)
    179       1.40  drochner 	bus_space_tag_t iot;
    180       1.40  drochner 	bus_space_handle_t ioh;
    181       1.27   thorpej 	u_int8_t b;
    182        1.1   deraadt {
    183        1.1   deraadt 	int i;
    184        1.1   deraadt 
    185        1.1   deraadt 	for (i=0; i < 4000; i++) {
    186       1.32   thorpej 		if (bus_space_read_1(iot, ioh, EG_STATUS) & EG_STAT_HCRE) {
    187       1.32   thorpej 			bus_space_write_1(iot, ioh, EG_COMMAND, b);
    188        1.1   deraadt 			return 0;
    189        1.1   deraadt 		}
    190        1.1   deraadt 		delay(10);
    191        1.1   deraadt 	}
    192       1.29  christos 	DPRINTF(("egoutPCB failed\n"));
    193        1.1   deraadt 	return 1;
    194        1.1   deraadt }
    195       1.65     perry 
    196        1.1   deraadt static int
    197       1.40  drochner egreadPCBstat(iot, ioh, statb)
    198       1.40  drochner 	bus_space_tag_t iot;
    199       1.40  drochner 	bus_space_handle_t ioh;
    200       1.27   thorpej 	u_int8_t statb;
    201        1.1   deraadt {
    202        1.1   deraadt 	int i;
    203        1.1   deraadt 
    204        1.1   deraadt 	for (i=0; i < 5000; i++) {
    205       1.32   thorpej 		if ((bus_space_read_1(iot, ioh, EG_STATUS) &
    206       1.65     perry 		    EG_PCB_STAT) != EG_PCB_NULL)
    207        1.1   deraadt 			break;
    208        1.1   deraadt 		delay(10);
    209        1.1   deraadt 	}
    210       1.65     perry 	if ((bus_space_read_1(iot, ioh, EG_STATUS) & EG_PCB_STAT) == statb)
    211        1.1   deraadt 		return 0;
    212        1.1   deraadt 	return 1;
    213        1.1   deraadt }
    214        1.1   deraadt 
    215        1.1   deraadt static int
    216       1.40  drochner egreadPCBready(iot, ioh)
    217       1.40  drochner 	bus_space_tag_t iot;
    218       1.40  drochner 	bus_space_handle_t ioh;
    219        1.1   deraadt {
    220        1.1   deraadt 	int i;
    221        1.1   deraadt 
    222        1.1   deraadt 	for (i=0; i < 10000; i++) {
    223       1.32   thorpej 		if (bus_space_read_1(iot, ioh, EG_STATUS) & EG_STAT_ACRF)
    224        1.1   deraadt 			return 0;
    225        1.1   deraadt 		delay(5);
    226        1.1   deraadt 	}
    227       1.29  christos 	DPRINTF(("PCB read not ready\n"));
    228        1.1   deraadt 	return 1;
    229        1.1   deraadt }
    230       1.65     perry 
    231        1.1   deraadt static int
    232       1.40  drochner egwritePCB(iot, ioh, pcb)
    233       1.40  drochner 	bus_space_tag_t iot;
    234       1.40  drochner 	bus_space_handle_t ioh;
    235       1.40  drochner 	u_int8_t *pcb;
    236        1.1   deraadt {
    237        1.1   deraadt 	int i;
    238       1.27   thorpej 	u_int8_t len;
    239        1.1   deraadt 
    240       1.32   thorpej 	bus_space_write_1(iot, ioh, EG_CONTROL,
    241       1.32   thorpej 	    (bus_space_read_1(iot, ioh, EG_CONTROL) & ~EG_PCB_STAT) | EG_PCB_NULL);
    242        1.1   deraadt 
    243       1.40  drochner 	len = pcb[1] + 2;
    244        1.1   deraadt 	for (i = 0; i < len; i++)
    245       1.40  drochner 		egoutPCB(iot, ioh, pcb[i]);
    246       1.27   thorpej 
    247        1.1   deraadt 	for (i=0; i < 4000; i++) {
    248       1.32   thorpej 		if (bus_space_read_1(iot, ioh, EG_STATUS) & EG_STAT_HCRE)
    249        1.1   deraadt 			break;
    250        1.1   deraadt 		delay(10);
    251        1.1   deraadt 	}
    252       1.17   mycroft 
    253       1.32   thorpej 	bus_space_write_1(iot, ioh, EG_CONTROL,
    254       1.32   thorpej 	    (bus_space_read_1(iot, ioh, EG_CONTROL) & ~EG_PCB_STAT) | EG_PCB_DONE);
    255       1.17   mycroft 
    256       1.40  drochner 	egoutPCB(iot, ioh, len);
    257        1.1   deraadt 
    258       1.40  drochner 	if (egreadPCBstat(iot, ioh, EG_PCB_ACCEPT))
    259        1.1   deraadt 		return 1;
    260        1.1   deraadt 	return 0;
    261       1.65     perry }
    262       1.65     perry 
    263        1.1   deraadt static int
    264       1.40  drochner egreadPCB(iot, ioh, pcb)
    265       1.40  drochner 	bus_space_tag_t iot;
    266       1.40  drochner 	bus_space_handle_t ioh;
    267       1.40  drochner 	u_int8_t *pcb;
    268        1.1   deraadt {
    269        1.1   deraadt 	int i;
    270       1.27   thorpej 
    271       1.32   thorpej 	bus_space_write_1(iot, ioh, EG_CONTROL,
    272       1.32   thorpej 	    (bus_space_read_1(iot, ioh, EG_CONTROL) & ~EG_PCB_STAT) | EG_PCB_NULL);
    273        1.1   deraadt 
    274       1.53   thorpej 	memset(pcb, 0, EG_PCBLEN);
    275        1.1   deraadt 
    276       1.40  drochner 	if (egreadPCBready(iot, ioh))
    277        1.1   deraadt 		return 1;
    278        1.1   deraadt 
    279       1.40  drochner 	pcb[0] = bus_space_read_1(iot, ioh, EG_COMMAND);
    280       1.27   thorpej 
    281       1.40  drochner 	if (egreadPCBready(iot, ioh))
    282        1.1   deraadt 		return 1;
    283        1.1   deraadt 
    284       1.40  drochner 	pcb[1] = bus_space_read_1(iot, ioh, EG_COMMAND);
    285        1.1   deraadt 
    286       1.40  drochner 	if (pcb[1] > 62) {
    287       1.40  drochner 		DPRINTF(("len %d too large\n", pcb[1]));
    288        1.1   deraadt 		return 1;
    289        1.1   deraadt 	}
    290       1.27   thorpej 
    291       1.40  drochner 	for (i = 0; i < pcb[1]; i++) {
    292       1.40  drochner 		if (egreadPCBready(iot, ioh))
    293        1.1   deraadt 			return 1;
    294       1.40  drochner 		pcb[2+i] = bus_space_read_1(iot, ioh, EG_COMMAND);
    295        1.1   deraadt 	}
    296       1.40  drochner 	if (egreadPCBready(iot, ioh))
    297        1.1   deraadt 		return 1;
    298       1.40  drochner 	if (egreadPCBstat(iot, ioh, EG_PCB_DONE))
    299        1.1   deraadt 		return 1;
    300       1.62    simonb 	if (bus_space_read_1(iot, ioh, EG_COMMAND) != pcb[1] + 2) {
    301        1.1   deraadt 		return 1;
    302        1.1   deraadt 	}
    303       1.17   mycroft 
    304       1.32   thorpej 	bus_space_write_1(iot, ioh, EG_CONTROL,
    305       1.32   thorpej 	    (bus_space_read_1(iot, ioh, EG_CONTROL) &
    306       1.27   thorpej 	    ~EG_PCB_STAT) | EG_PCB_ACCEPT);
    307       1.17   mycroft 
    308        1.1   deraadt 	return 0;
    309       1.65     perry }
    310        1.1   deraadt 
    311        1.1   deraadt /*
    312        1.1   deraadt  * Real stuff
    313        1.1   deraadt  */
    314        1.1   deraadt 
    315        1.1   deraadt int
    316       1.71  christos egprobe(struct device *parent, struct cfdata *match,
    317       1.70  christos     void *aux)
    318        1.1   deraadt {
    319        1.1   deraadt 	struct isa_attach_args *ia = aux;
    320       1.32   thorpej 	bus_space_tag_t iot = ia->ia_iot;
    321       1.32   thorpej 	bus_space_handle_t ioh;
    322       1.27   thorpej 	int i, rval;
    323       1.40  drochner 	static u_int8_t pcb[EG_PCBLEN];
    324       1.27   thorpej 
    325       1.27   thorpej 	rval = 0;
    326        1.1   deraadt 
    327       1.75        ad 	/*
    328       1.75        ad 	 * XXX This probe is slow.  If there are no ISA expansion slots,
    329       1.75        ad 	 * then skip it.
    330       1.75        ad 	 */
    331       1.75        ad 	if (isa_get_slotcount() == 0)
    332       1.75        ad 		return (0);
    333       1.75        ad 
    334       1.57   thorpej 	if (ia->ia_nio < 1)
    335       1.57   thorpej 		return (0);
    336       1.57   thorpej 	if (ia->ia_nirq < 1)
    337       1.57   thorpej 		return (0);
    338       1.57   thorpej 
    339       1.57   thorpej 	if (ISA_DIRECT_CONFIG(ia))
    340       1.57   thorpej 		return (0);
    341       1.38   thorpej 
    342       1.38   thorpej 	/* Disallow wildcarded i/o address. */
    343       1.63  drochner 	if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT)
    344       1.38   thorpej 		return (0);
    345       1.27   thorpej 
    346       1.57   thorpej 	/* Disallow wildcarded IRQ. */
    347       1.63  drochner 	if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ)
    348       1.57   thorpej 		return (0);
    349       1.57   thorpej 
    350       1.57   thorpej 	if ((ia->ia_io[0].ir_addr & ~0x07f0) != 0) {
    351       1.57   thorpej 		DPRINTF(("Weird iobase %x\n", ia->ia_io[0].ir_addr));
    352       1.57   thorpej 		return 0;
    353       1.57   thorpej 	}
    354       1.57   thorpej 
    355       1.27   thorpej 	/* Map i/o space. */
    356       1.57   thorpej 	if (bus_space_map(iot, ia->ia_io[0].ir_addr, 0x08, 0, &ioh)) {
    357       1.29  christos 		DPRINTF(("egprobe: can't map i/o space in probe\n"));
    358       1.27   thorpej 		return 0;
    359       1.27   thorpej 	}
    360       1.27   thorpej 
    361        1.1   deraadt 	/* hard reset card */
    362       1.65     perry 	bus_space_write_1(iot, ioh, EG_CONTROL, EG_CTL_RESET);
    363       1.32   thorpej 	bus_space_write_1(iot, ioh, EG_CONTROL, 0);
    364       1.74        ad 	for (i = 0; i < 500; i++) {
    365        1.1   deraadt 		delay(1000);
    366       1.32   thorpej 		if ((bus_space_read_1(iot, ioh, EG_STATUS) &
    367       1.65     perry 		    EG_PCB_STAT) == EG_PCB_NULL)
    368        1.1   deraadt 			break;
    369        1.1   deraadt 	}
    370       1.32   thorpej 	if ((bus_space_read_1(iot, ioh, EG_STATUS) & EG_PCB_STAT) != EG_PCB_NULL) {
    371       1.29  christos 		DPRINTF(("egprobe: Reset failed\n"));
    372       1.27   thorpej 		goto out;
    373        1.1   deraadt 	}
    374       1.40  drochner 	pcb[0] = EG_CMD_GETINFO; /* Get Adapter Info */
    375       1.40  drochner 	pcb[1] = 0;
    376       1.40  drochner 	if (egwritePCB(iot, ioh, pcb) != 0)
    377       1.27   thorpej 		goto out;
    378       1.27   thorpej 
    379       1.40  drochner 	if ((egreadPCB(iot, ioh, pcb) != 0) ||
    380       1.40  drochner 	    pcb[0] != EG_RSP_GETINFO || /* Get Adapter Info Response */
    381       1.40  drochner 	    pcb[1] != 0x0a) {
    382       1.40  drochner 		egprintpcb(pcb);
    383       1.27   thorpej 		goto out;
    384        1.1   deraadt 	}
    385       1.27   thorpej 
    386       1.57   thorpej 	ia->ia_nio = 1;
    387       1.57   thorpej 	ia->ia_io[0].ir_size = 0x08;
    388       1.57   thorpej 
    389       1.57   thorpej 	ia->ia_nirq = 1;
    390       1.57   thorpej 
    391       1.57   thorpej 	ia->ia_niomem = 0;
    392       1.57   thorpej 	ia->ia_ndrq = 0;
    393       1.57   thorpej 
    394       1.27   thorpej 	rval = 1;
    395       1.27   thorpej 
    396       1.27   thorpej  out:
    397       1.32   thorpej 	bus_space_unmap(iot, ioh, 0x08);
    398       1.27   thorpej 	return rval;
    399        1.1   deraadt }
    400        1.1   deraadt 
    401       1.19   mycroft void
    402       1.71  christos egattach(struct device *parent, struct device *self, void *aux)
    403        1.1   deraadt {
    404        1.2   mycroft 	struct eg_softc *sc = (void *)self;
    405        1.2   mycroft 	struct isa_attach_args *ia = aux;
    406       1.32   thorpej 	bus_space_tag_t iot = ia->ia_iot;
    407       1.32   thorpej 	bus_space_handle_t ioh;
    408       1.33        is 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
    409       1.33        is 	u_int8_t myaddr[ETHER_ADDR_LEN];
    410       1.27   thorpej 
    411       1.30  christos 	printf("\n");
    412       1.27   thorpej 
    413       1.27   thorpej 	/* Map i/o space. */
    414       1.57   thorpej 	if (bus_space_map(iot, ia->ia_io[0].ir_addr, 0x08, 0, &ioh)) {
    415       1.76    cegger 		aprint_error_dev(self, "can't map i/o space\n");
    416       1.27   thorpej 		return;
    417       1.27   thorpej 	}
    418       1.27   thorpej 
    419       1.32   thorpej 	sc->sc_iot = iot;
    420       1.27   thorpej 	sc->sc_ioh = ioh;
    421       1.27   thorpej 
    422       1.40  drochner 	sc->eg_pcb[0] = EG_CMD_GETINFO; /* Get Adapter Info */
    423       1.40  drochner 	sc->eg_pcb[1] = 0;
    424       1.40  drochner 	if (egwritePCB(iot, ioh, sc->eg_pcb) != 0) {
    425       1.76    cegger 		aprint_error_dev(self, "error requesting adapter info\n");
    426       1.40  drochner 		return;
    427       1.40  drochner 	}
    428       1.40  drochner 	if (egreadPCB(iot, ioh, sc->eg_pcb) != 0) {
    429       1.40  drochner 		egprintpcb(sc->eg_pcb);
    430       1.76    cegger 		aprint_error_dev(self, "error reading adapter info\n");
    431       1.40  drochner 		return;
    432       1.40  drochner 	}
    433       1.40  drochner 
    434       1.40  drochner 	if (sc->eg_pcb[0] != EG_RSP_GETINFO || /* Get Adapter Info Response */
    435       1.40  drochner 	    sc->eg_pcb[1] != 0x0a) {
    436       1.40  drochner 		egprintpcb(sc->eg_pcb);
    437       1.76    cegger 		aprint_error_dev(self, "bogus adapter info\n");
    438       1.40  drochner 		return;
    439       1.40  drochner 	}
    440       1.40  drochner 
    441       1.40  drochner 	sc->eg_rom_major = sc->eg_pcb[3];
    442       1.40  drochner 	sc->eg_rom_minor = sc->eg_pcb[2];
    443       1.40  drochner 	sc->eg_ram = sc->eg_pcb[6] | (sc->eg_pcb[7] << 8);
    444       1.40  drochner 
    445        1.2   mycroft 	egstop(sc);
    446        1.1   deraadt 
    447        1.1   deraadt 	sc->eg_pcb[0] = EG_CMD_GETEADDR; /* Get Station address */
    448        1.1   deraadt 	sc->eg_pcb[1] = 0;
    449       1.40  drochner 	if (egwritePCB(iot, ioh, sc->eg_pcb) != 0) {
    450       1.76    cegger 		aprint_error_dev(self, "can't send Get Station Address\n");
    451        1.1   deraadt 		return;
    452       1.65     perry 	}
    453       1.40  drochner 	if (egreadPCB(iot, ioh, sc->eg_pcb) != 0) {
    454       1.76    cegger 		aprint_error_dev(self, "can't read station address\n");
    455       1.40  drochner 		egprintpcb(sc->eg_pcb);
    456        1.1   deraadt 		return;
    457        1.1   deraadt 	}
    458        1.1   deraadt 
    459        1.1   deraadt 	/* check Get station address response */
    460       1.65     perry 	if (sc->eg_pcb[0] != EG_RSP_GETEADDR || sc->eg_pcb[1] != 0x06) {
    461       1.76    cegger 		aprint_error_dev(self, "card responded with garbage (1)\n");
    462       1.40  drochner 		egprintpcb(sc->eg_pcb);
    463        1.1   deraadt 		return;
    464        1.1   deraadt 	}
    465       1.54   thorpej 	memcpy(myaddr, &sc->eg_pcb[2], ETHER_ADDR_LEN);
    466        1.1   deraadt 
    467       1.76    cegger 	printf("%s: ROM v%d.%02d %dk address %s\n", device_xname(self),
    468        1.2   mycroft 	    sc->eg_rom_major, sc->eg_rom_minor, sc->eg_ram,
    469       1.33        is 	    ether_sprintf(myaddr));
    470        1.1   deraadt 
    471        1.1   deraadt 	sc->eg_pcb[0] = EG_CMD_SETEADDR; /* Set station address */
    472       1.40  drochner 	if (egwritePCB(iot, ioh, sc->eg_pcb) != 0) {
    473       1.76    cegger 		printf("%s: can't send Set Station Address\n", device_xname(self));
    474        1.1   deraadt 		return;
    475        1.1   deraadt 	}
    476       1.40  drochner 	if (egreadPCB(iot, ioh, sc->eg_pcb) != 0) {
    477       1.76    cegger 		aprint_error_dev(self, "can't read Set Station Address status\n");
    478       1.40  drochner 		egprintpcb(sc->eg_pcb);
    479        1.1   deraadt 		return;
    480        1.1   deraadt 	}
    481        1.2   mycroft 	if (sc->eg_pcb[0] != EG_RSP_SETEADDR || sc->eg_pcb[1] != 0x02 ||
    482        1.7   mycroft 	    sc->eg_pcb[2] != 0 || sc->eg_pcb[3] != 0) {
    483       1.76    cegger 		aprint_error_dev(self, "card responded with garbage (2)\n");
    484       1.40  drochner 		egprintpcb(sc->eg_pcb);
    485        1.1   deraadt 		return;
    486        1.1   deraadt 	}
    487        1.1   deraadt 
    488        1.2   mycroft 	/* Initialize ifnet structure. */
    489       1.76    cegger 	strlcpy(ifp->if_xname, device_xname(&sc->sc_dev), IFNAMSIZ);
    490       1.25   thorpej 	ifp->if_softc = sc;
    491        1.1   deraadt 	ifp->if_start = egstart;
    492        1.1   deraadt 	ifp->if_ioctl = egioctl;
    493        1.1   deraadt 	ifp->if_watchdog = egwatchdog;
    494        1.1   deraadt 	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS;
    495       1.52   thorpej 	IFQ_SET_READY(&ifp->if_snd);
    496       1.52   thorpej 
    497        1.1   deraadt 	/* Now we can attach the interface. */
    498        1.1   deraadt 	if_attach(ifp);
    499       1.33        is 	ether_ifattach(ifp, myaddr);
    500       1.65     perry 
    501       1.57   thorpej 	sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
    502       1.57   thorpej 	    IST_EDGE, IPL_NET, egintr, sc);
    503       1.37  explorer 
    504       1.37  explorer #if NRND > 0
    505       1.76    cegger 	rnd_attach_source(&sc->rnd_source, device_xname(&sc->sc_dev),
    506       1.45  explorer 			  RND_TYPE_NET, 0);
    507       1.37  explorer #endif
    508        1.1   deraadt }
    509        1.1   deraadt 
    510       1.18   mycroft void
    511        1.1   deraadt eginit(sc)
    512       1.49  augustss 	struct eg_softc *sc;
    513        1.1   deraadt {
    514       1.49  augustss 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
    515       1.32   thorpej 	bus_space_tag_t iot = sc->sc_iot;
    516       1.32   thorpej 	bus_space_handle_t ioh = sc->sc_ioh;
    517        1.1   deraadt 
    518        1.1   deraadt 	/* soft reset the board */
    519       1.32   thorpej 	bus_space_write_1(iot, ioh, EG_CONTROL, EG_CTL_FLSH);
    520        1.1   deraadt 	delay(100);
    521       1.32   thorpej 	bus_space_write_1(iot, ioh, EG_CONTROL, EG_CTL_ATTN);
    522        1.1   deraadt 	delay(100);
    523       1.32   thorpej 	bus_space_write_1(iot, ioh, EG_CONTROL, 0);
    524        1.1   deraadt 	delay(200);
    525        1.1   deraadt 
    526        1.1   deraadt 	sc->eg_pcb[0] = EG_CMD_CONFIG82586; /* Configure 82586 */
    527        1.1   deraadt 	sc->eg_pcb[1] = 2;
    528        1.1   deraadt 	sc->eg_pcb[2] = 3; /* receive broadcast & multicast */
    529        1.1   deraadt 	sc->eg_pcb[3] = 0;
    530       1.40  drochner 	if (egwritePCB(iot, ioh, sc->eg_pcb) != 0)
    531       1.76    cegger 		aprint_error_dev(&sc->sc_dev, "can't send Configure 82586\n");
    532        1.1   deraadt 
    533       1.40  drochner 	if (egreadPCB(iot, ioh, sc->eg_pcb) != 0) {
    534       1.76    cegger 		aprint_error_dev(&sc->sc_dev, "can't read Configure 82586 status\n");
    535       1.40  drochner 		egprintpcb(sc->eg_pcb);
    536        1.1   deraadt 	} else if (sc->eg_pcb[2] != 0 || sc->eg_pcb[3] != 0)
    537       1.76    cegger 		aprint_error_dev(&sc->sc_dev, "configure card command failed\n");
    538        1.1   deraadt 
    539       1.27   thorpej 	if (sc->eg_inbuf == NULL) {
    540        1.1   deraadt 		sc->eg_inbuf = malloc(EG_BUFLEN, M_TEMP, M_NOWAIT);
    541       1.27   thorpej 		if (sc->eg_inbuf == NULL) {
    542       1.76    cegger 			aprint_error_dev(&sc->sc_dev, "can't allocate inbuf\n");
    543       1.27   thorpej 			panic("eginit");
    544       1.27   thorpej 		}
    545       1.27   thorpej 	}
    546        1.1   deraadt 	sc->eg_incount = 0;
    547        1.1   deraadt 
    548       1.27   thorpej 	if (sc->eg_outbuf == NULL) {
    549        1.1   deraadt 		sc->eg_outbuf = malloc(EG_BUFLEN, M_TEMP, M_NOWAIT);
    550       1.27   thorpej 		if (sc->eg_outbuf == NULL) {
    551       1.76    cegger 			aprint_error_dev(&sc->sc_dev, "can't allocate outbuf\n");
    552       1.27   thorpej 			panic("eginit");
    553       1.27   thorpej 		}
    554       1.27   thorpej 	}
    555       1.15   mycroft 
    556       1.32   thorpej 	bus_space_write_1(iot, ioh, EG_CONTROL, EG_CTL_CMDE);
    557       1.16   mycroft 
    558       1.16   mycroft 	sc->eg_incount = 0;
    559       1.16   mycroft 	egrecv(sc);
    560       1.16   mycroft 
    561       1.16   mycroft 	/* Interface is now `running', with no output active. */
    562        1.1   deraadt 	ifp->if_flags |= IFF_RUNNING;
    563        1.1   deraadt 	ifp->if_flags &= ~IFF_OACTIVE;
    564        1.1   deraadt 
    565       1.16   mycroft 	/* Attempt to start output, if any. */
    566        1.1   deraadt 	egstart(ifp);
    567        1.1   deraadt }
    568        1.1   deraadt 
    569       1.18   mycroft void
    570        1.1   deraadt egrecv(sc)
    571        1.1   deraadt 	struct eg_softc *sc;
    572        1.1   deraadt {
    573        1.2   mycroft 
    574        1.1   deraadt 	while (sc->eg_incount < EG_INLEN) {
    575        1.1   deraadt 		sc->eg_pcb[0] = EG_CMD_RECVPACKET;
    576        1.1   deraadt 		sc->eg_pcb[1] = 0x08;
    577        1.1   deraadt 		sc->eg_pcb[2] = 0; /* address not used.. we send zero */
    578        1.1   deraadt 		sc->eg_pcb[3] = 0;
    579        1.1   deraadt 		sc->eg_pcb[4] = 0;
    580        1.1   deraadt 		sc->eg_pcb[5] = 0;
    581       1.25   thorpej 		sc->eg_pcb[6] = EG_BUFLEN & 0xff; /* our buffer size */
    582       1.25   thorpej 		sc->eg_pcb[7] = (EG_BUFLEN >> 8) & 0xff;
    583        1.1   deraadt 		sc->eg_pcb[8] = 0; /* timeout, 0 == none */
    584        1.1   deraadt 		sc->eg_pcb[9] = 0;
    585       1.40  drochner 		if (egwritePCB(sc->sc_iot, sc->sc_ioh, sc->eg_pcb) != 0)
    586        1.1   deraadt 			break;
    587       1.16   mycroft 		sc->eg_incount++;
    588        1.1   deraadt 	}
    589        1.1   deraadt }
    590        1.1   deraadt 
    591       1.18   mycroft void
    592        1.1   deraadt egstart(ifp)
    593        1.1   deraadt 	struct ifnet *ifp;
    594        1.1   deraadt {
    595       1.49  augustss 	struct eg_softc *sc = ifp->if_softc;
    596       1.32   thorpej 	bus_space_tag_t iot = sc->sc_iot;
    597       1.32   thorpej 	bus_space_handle_t ioh = sc->sc_ioh;
    598        1.1   deraadt 	struct mbuf *m0, *m;
    599       1.72  christos 	char *buffer;
    600        1.1   deraadt 	int len;
    601       1.27   thorpej 	u_int16_t *ptr;
    602        1.1   deraadt 
    603        1.1   deraadt 	/* Don't transmit if interface is busy or not running */
    604       1.15   mycroft 	if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING)
    605       1.14   mycroft 		return;
    606        1.1   deraadt 
    607       1.15   mycroft loop:
    608        1.1   deraadt 	/* Dequeue the next datagram. */
    609       1.52   thorpej 	IFQ_DEQUEUE(&ifp->if_snd, m0);
    610       1.15   mycroft 	if (m0 == 0)
    611       1.14   mycroft 		return;
    612       1.65     perry 
    613       1.15   mycroft 	ifp->if_flags |= IFF_OACTIVE;
    614       1.15   mycroft 
    615       1.15   mycroft 	/* We need to use m->m_pkthdr.len, so require the header */
    616       1.27   thorpej 	if ((m0->m_flags & M_PKTHDR) == 0) {
    617       1.76    cegger 		aprint_error_dev(&sc->sc_dev, "no header mbuf\n");
    618       1.27   thorpej 		panic("egstart");
    619       1.27   thorpej 	}
    620       1.48   thorpej 	len = max(m0->m_pkthdr.len, ETHER_MIN_LEN - ETHER_CRC_LEN);
    621        1.1   deraadt 
    622        1.1   deraadt #if NBPFILTER > 0
    623       1.15   mycroft 	if (ifp->if_bpf)
    624       1.15   mycroft 		bpf_mtap(ifp->if_bpf, m0);
    625        1.1   deraadt #endif
    626        1.1   deraadt 
    627        1.1   deraadt 	sc->eg_pcb[0] = EG_CMD_SENDPACKET;
    628        1.1   deraadt 	sc->eg_pcb[1] = 0x06;
    629        1.1   deraadt 	sc->eg_pcb[2] = 0; /* address not used, we send zero */
    630        1.1   deraadt 	sc->eg_pcb[3] = 0;
    631        1.1   deraadt 	sc->eg_pcb[4] = 0;
    632        1.1   deraadt 	sc->eg_pcb[5] = 0;
    633       1.15   mycroft 	sc->eg_pcb[6] = len; /* length of packet */
    634       1.15   mycroft 	sc->eg_pcb[7] = len >> 8;
    635       1.40  drochner 	if (egwritePCB(iot, ioh, sc->eg_pcb) != 0) {
    636       1.76    cegger 		aprint_error_dev(&sc->sc_dev, "can't send Send Packet command\n");
    637       1.15   mycroft 		ifp->if_oerrors++;
    638       1.15   mycroft 		ifp->if_flags &= ~IFF_OACTIVE;
    639       1.27   thorpej 		m_freem(m0);
    640       1.15   mycroft 		goto loop;
    641       1.15   mycroft 	}
    642       1.15   mycroft 
    643       1.15   mycroft 	buffer = sc->eg_outbuf;
    644       1.15   mycroft 	for (m = m0; m != 0; m = m->m_next) {
    645       1.72  christos 		memcpy(buffer, mtod(m, void *), m->m_len);
    646       1.15   mycroft 		buffer += m->m_len;
    647        1.1   deraadt 	}
    648       1.61    bouyer 	if (len > m0->m_pkthdr.len)
    649       1.61    bouyer 		memset(buffer, 0, len - m0->m_pkthdr.len);
    650       1.15   mycroft 
    651       1.16   mycroft 	/* set direction bit: host -> adapter */
    652       1.32   thorpej 	bus_space_write_1(iot, ioh, EG_CONTROL,
    653       1.65     perry 	    bus_space_read_1(iot, ioh, EG_CONTROL) & ~EG_CTL_DIR);
    654       1.65     perry 
    655       1.27   thorpej 	for (ptr = (u_int16_t *) sc->eg_outbuf; len > 0; len -= 2) {
    656       1.32   thorpej 		bus_space_write_2(iot, ioh, EG_DATA, *ptr++);
    657       1.32   thorpej 		while (!(bus_space_read_1(iot, ioh, EG_STATUS) & EG_STAT_HRDY))
    658       1.15   mycroft 			; /* XXX need timeout here */
    659       1.15   mycroft 	}
    660       1.65     perry 
    661       1.15   mycroft 	m_freem(m0);
    662        1.1   deraadt }
    663        1.1   deraadt 
    664        1.1   deraadt int
    665       1.12       cgd egintr(arg)
    666       1.12       cgd 	void *arg;
    667        1.1   deraadt {
    668       1.49  augustss 	struct eg_softc *sc = arg;
    669       1.32   thorpej 	bus_space_tag_t iot = sc->sc_iot;
    670       1.32   thorpej 	bus_space_handle_t ioh = sc->sc_ioh;
    671       1.27   thorpej 	int i, len, serviced;
    672       1.27   thorpej 	u_int16_t *ptr;
    673        1.1   deraadt 
    674       1.27   thorpej 	serviced = 0;
    675       1.27   thorpej 
    676       1.32   thorpej 	while (bus_space_read_1(iot, ioh, EG_STATUS) & EG_STAT_ACRF) {
    677       1.40  drochner 		egreadPCB(iot, ioh, sc->eg_pcb);
    678        1.2   mycroft 		switch (sc->eg_pcb[0]) {
    679        1.1   deraadt 		case EG_RSP_RECVPACKET:
    680        1.7   mycroft 			len = sc->eg_pcb[6] | (sc->eg_pcb[7] << 8);
    681       1.65     perry 
    682       1.16   mycroft 			/* Set direction bit : Adapter -> host */
    683       1.32   thorpej 			bus_space_write_1(iot, ioh, EG_CONTROL,
    684       1.65     perry 			    bus_space_read_1(iot, ioh, EG_CONTROL) | EG_CTL_DIR);
    685       1.16   mycroft 
    686       1.27   thorpej 			for (ptr = (u_int16_t *) sc->eg_inbuf;
    687       1.27   thorpej 			    len > 0; len -= 2) {
    688       1.32   thorpej 				while (!(bus_space_read_1(iot, ioh, EG_STATUS) &
    689       1.27   thorpej 				    EG_STAT_HRDY))
    690        1.1   deraadt 					;
    691       1.32   thorpej 				*ptr++ = bus_space_read_2(iot, ioh, EG_DATA);
    692        1.1   deraadt 			}
    693       1.16   mycroft 
    694        1.7   mycroft 			len = sc->eg_pcb[8] | (sc->eg_pcb[9] << 8);
    695        1.1   deraadt 			egread(sc, sc->eg_inbuf, len);
    696       1.16   mycroft 
    697        1.1   deraadt 			sc->eg_incount--;
    698       1.16   mycroft 			egrecv(sc);
    699       1.27   thorpej 			serviced = 1;
    700        1.1   deraadt 			break;
    701        1.1   deraadt 
    702        1.1   deraadt 		case EG_RSP_SENDPACKET:
    703        1.1   deraadt 			if (sc->eg_pcb[6] || sc->eg_pcb[7]) {
    704       1.29  christos 				DPRINTF(("%s: packet dropped\n",
    705       1.76    cegger 				    device_xname(&sc->sc_dev)));
    706       1.33        is 				sc->sc_ethercom.ec_if.if_oerrors++;
    707        1.2   mycroft 			} else
    708       1.33        is 				sc->sc_ethercom.ec_if.if_opackets++;
    709       1.33        is 			sc->sc_ethercom.ec_if.if_collisions +=
    710       1.27   thorpej 			    sc->eg_pcb[8] & 0xf;
    711       1.33        is 			sc->sc_ethercom.ec_if.if_flags &= ~IFF_OACTIVE;
    712       1.33        is 			egstart(&sc->sc_ethercom.ec_if);
    713       1.27   thorpej 			serviced = 1;
    714        1.1   deraadt 			break;
    715        1.1   deraadt 
    716       1.27   thorpej 		/* XXX byte-order and type-size bugs here... */
    717        1.1   deraadt 		case EG_RSP_GETSTATS:
    718       1.29  christos 			DPRINTF(("%s: Card Statistics\n",
    719       1.76    cegger 			    device_xname(&sc->sc_dev)));
    720       1.54   thorpej 			memcpy(&i, &sc->eg_pcb[2], sizeof(i));
    721       1.29  christos 			DPRINTF(("Receive Packets %d\n", i));
    722       1.54   thorpej 			memcpy(&i, &sc->eg_pcb[6], sizeof(i));
    723       1.29  christos 			DPRINTF(("Transmit Packets %d\n", i));
    724       1.29  christos 			DPRINTF(("CRC errors %d\n",
    725       1.27   thorpej 			    *(short *) &sc->eg_pcb[10]));
    726       1.29  christos 			DPRINTF(("alignment errors %d\n",
    727       1.27   thorpej 			    *(short *) &sc->eg_pcb[12]));
    728       1.29  christos 			DPRINTF(("no resources errors %d\n",
    729       1.27   thorpej 			    *(short *) &sc->eg_pcb[14]));
    730       1.29  christos 			DPRINTF(("overrun errors %d\n",
    731       1.27   thorpej 			    *(short *) &sc->eg_pcb[16]));
    732       1.27   thorpej 			serviced = 1;
    733        1.1   deraadt 			break;
    734       1.65     perry 
    735        1.1   deraadt 		default:
    736       1.30  christos 			printf("%s: egintr: Unknown response %x??\n",
    737       1.76    cegger 			    device_xname(&sc->sc_dev), sc->eg_pcb[0]);
    738       1.40  drochner 			egprintpcb(sc->eg_pcb);
    739        1.1   deraadt 			break;
    740        1.1   deraadt 		}
    741       1.37  explorer 
    742       1.37  explorer #if NRND > 0
    743       1.37  explorer 		rnd_add_uint32(&sc->rnd_source, sc->eg_pcb[0]);
    744       1.37  explorer #endif
    745        1.1   deraadt 	}
    746        1.1   deraadt 
    747       1.27   thorpej 	return serviced;
    748        1.1   deraadt }
    749        1.1   deraadt 
    750        1.1   deraadt /*
    751        1.1   deraadt  * Pass a packet up to the higher levels.
    752        1.1   deraadt  */
    753       1.18   mycroft void
    754        1.1   deraadt egread(sc, buf, len)
    755        1.1   deraadt 	struct eg_softc *sc;
    756       1.72  christos 	void *buf;
    757        1.1   deraadt 	int len;
    758        1.1   deraadt {
    759       1.33        is 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
    760        1.1   deraadt 	struct mbuf *m;
    761       1.65     perry 
    762        1.1   deraadt 	if (len <= sizeof(struct ether_header) ||
    763        1.1   deraadt 	    len > ETHER_MAX_LEN) {
    764       1.76    cegger 		aprint_error_dev(&sc->sc_dev, "invalid packet size %d; dropping\n", len);
    765       1.18   mycroft 		ifp->if_ierrors++;
    766        1.1   deraadt 		return;
    767        1.1   deraadt 	}
    768        1.1   deraadt 
    769        1.2   mycroft 	/* Pull packet off interface. */
    770       1.18   mycroft 	m = egget(sc, buf, len);
    771        1.1   deraadt 	if (m == 0) {
    772       1.18   mycroft 		ifp->if_ierrors++;
    773        1.1   deraadt 		return;
    774        1.1   deraadt 	}
    775        1.1   deraadt 
    776       1.18   mycroft 	ifp->if_ipackets++;
    777       1.18   mycroft 
    778        1.1   deraadt #if NBPFILTER > 0
    779        1.1   deraadt 	/*
    780        1.1   deraadt 	 * Check if there's a BPF listener on this interface.
    781        1.2   mycroft 	 * If so, hand off the raw packet to BPF.
    782        1.1   deraadt 	 */
    783       1.50   thorpej 	if (ifp->if_bpf)
    784        1.2   mycroft 		bpf_mtap(ifp->if_bpf, m);
    785        1.1   deraadt #endif
    786        1.1   deraadt 
    787       1.47   thorpej 	(*ifp->if_input)(ifp, m);
    788        1.1   deraadt }
    789        1.1   deraadt 
    790        1.1   deraadt /*
    791        1.1   deraadt  * convert buf into mbufs
    792        1.1   deraadt  */
    793       1.18   mycroft struct mbuf *
    794       1.18   mycroft egget(sc, buf, totlen)
    795       1.18   mycroft 	struct eg_softc *sc;
    796       1.72  christos 	void *buf;
    797        1.2   mycroft 	int totlen;
    798        1.2   mycroft {
    799       1.33        is 	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
    800       1.44   mycroft 	struct mbuf *m, *m0, *newm;
    801        1.2   mycroft 	int len;
    802        1.1   deraadt 
    803       1.44   mycroft 	MGETHDR(m0, M_DONTWAIT, MT_DATA);
    804       1.44   mycroft 	if (m0 == 0)
    805       1.44   mycroft 		return (0);
    806       1.44   mycroft 	m0->m_pkthdr.rcvif = ifp;
    807       1.44   mycroft 	m0->m_pkthdr.len = totlen;
    808        1.2   mycroft 	len = MHLEN;
    809       1.44   mycroft 	m = m0;
    810        1.2   mycroft 
    811        1.2   mycroft 	while (totlen > 0) {
    812        1.2   mycroft 		if (totlen >= MINCLSIZE) {
    813        1.2   mycroft 			MCLGET(m, M_DONTWAIT);
    814       1.44   mycroft 			if ((m->m_flags & M_EXT) == 0)
    815       1.44   mycroft 				goto bad;
    816       1.34   mycroft 			len = MCLBYTES;
    817        1.2   mycroft 		}
    818       1.44   mycroft 
    819        1.2   mycroft 		m->m_len = len = min(totlen, len);
    820       1.72  christos 		memcpy(mtod(m, void *), buf, len);
    821       1.72  christos 		buf = (char *)buf + len;
    822       1.44   mycroft 
    823        1.2   mycroft 		totlen -= len;
    824       1.44   mycroft 		if (totlen > 0) {
    825       1.44   mycroft 			MGET(newm, M_DONTWAIT, MT_DATA);
    826       1.44   mycroft 			if (newm == 0)
    827       1.44   mycroft 				goto bad;
    828       1.44   mycroft 			len = MLEN;
    829       1.44   mycroft 			m = m->m_next = newm;
    830       1.44   mycroft 		}
    831        1.2   mycroft 	}
    832        1.1   deraadt 
    833       1.44   mycroft 	return (m0);
    834       1.44   mycroft 
    835       1.44   mycroft bad:
    836       1.44   mycroft 	m_freem(m0);
    837       1.44   mycroft 	return (0);
    838        1.1   deraadt }
    839        1.1   deraadt 
    840       1.18   mycroft int
    841  1.76.10.1      haad egioctl(struct ifnet *ifp, unsigned long cmd, void *data)
    842        1.1   deraadt {
    843       1.25   thorpej 	struct eg_softc *sc = ifp->if_softc;
    844       1.18   mycroft 	struct ifaddr *ifa = (struct ifaddr *)data;
    845        1.2   mycroft 	int s, error = 0;
    846        1.2   mycroft 
    847       1.21   mycroft 	s = splnet();
    848        1.2   mycroft 
    849       1.18   mycroft 	switch (cmd) {
    850        1.1   deraadt 
    851  1.76.10.1      haad 	case SIOCINITIFADDR:
    852        1.1   deraadt 		ifp->if_flags |= IFF_UP;
    853        1.2   mycroft 
    854  1.76.10.1      haad 		eginit(sc);
    855        1.1   deraadt 		switch (ifa->ifa_addr->sa_family) {
    856        1.1   deraadt #ifdef INET
    857        1.1   deraadt 		case AF_INET:
    858       1.33        is 			arp_ifinit(ifp, ifa);
    859        1.1   deraadt 			break;
    860        1.1   deraadt #endif
    861        1.1   deraadt 		default:
    862        1.1   deraadt 			break;
    863        1.1   deraadt 		}
    864        1.1   deraadt 		break;
    865        1.2   mycroft 
    866        1.1   deraadt 	case SIOCSIFFLAGS:
    867  1.76.10.1      haad 		if ((error = ifioctl_common(ifp, cmd, data)) != 0)
    868  1.76.10.1      haad 			break;
    869  1.76.10.1      haad 		/* XXX re-use ether_ioctl() */
    870  1.76.10.1      haad 		switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) {
    871  1.76.10.1      haad 		case IFF_RUNNING:
    872        1.2   mycroft 			/*
    873        1.2   mycroft 			 * If interface is marked down and it is running, then
    874        1.2   mycroft 			 * stop it.
    875        1.2   mycroft 			 */
    876        1.2   mycroft 			egstop(sc);
    877        1.1   deraadt 			ifp->if_flags &= ~IFF_RUNNING;
    878  1.76.10.1      haad 			break;
    879  1.76.10.1      haad 		case IFF_UP:
    880        1.2   mycroft 			/*
    881        1.2   mycroft 			 * If interface is marked up and it is stopped, then
    882        1.2   mycroft 			 * start it.
    883        1.2   mycroft 			 */
    884        1.1   deraadt 			eginit(sc);
    885  1.76.10.1      haad 			break;
    886  1.76.10.1      haad 		default:
    887        1.3   deraadt 			sc->eg_pcb[0] = EG_CMD_GETSTATS;
    888        1.3   deraadt 			sc->eg_pcb[1] = 0;
    889       1.69  christos 			if (egwritePCB(sc->sc_iot, sc->sc_ioh, sc->eg_pcb) != 0) {
    890       1.29  christos 				DPRINTF(("write error\n"));
    891       1.69  christos 			}
    892        1.1   deraadt 			/*
    893        1.1   deraadt 			 * XXX deal with flags changes:
    894        1.1   deraadt 			 * IFF_MULTICAST, IFF_PROMISC,
    895        1.1   deraadt 			 * IFF_LINK0, IFF_LINK1,
    896        1.1   deraadt 			 */
    897  1.76.10.1      haad 			break;
    898        1.1   deraadt 		}
    899        1.1   deraadt 		break;
    900        1.2   mycroft 
    901        1.1   deraadt 	default:
    902  1.76.10.1      haad 		error = ether_ioctl(ifp, cmd, data);
    903       1.18   mycroft 		break;
    904        1.1   deraadt 	}
    905        1.2   mycroft 
    906        1.2   mycroft 	splx(s);
    907        1.2   mycroft 	return error;
    908        1.1   deraadt }
    909        1.1   deraadt 
    910       1.18   mycroft void
    911        1.1   deraadt egreset(sc)
    912        1.1   deraadt 	struct eg_softc *sc;
    913        1.1   deraadt {
    914        1.2   mycroft 	int s;
    915        1.1   deraadt 
    916       1.76    cegger 	DPRINTF(("%s: egreset()\n", device_xname(&sc->sc_dev)));
    917       1.21   mycroft 	s = splnet();
    918        1.2   mycroft 	egstop(sc);
    919        1.2   mycroft 	eginit(sc);
    920        1.2   mycroft 	splx(s);
    921        1.1   deraadt }
    922        1.1   deraadt 
    923       1.18   mycroft void
    924       1.25   thorpej egwatchdog(ifp)
    925       1.25   thorpej 	struct ifnet *ifp;
    926        1.1   deraadt {
    927       1.25   thorpej 	struct eg_softc *sc = ifp->if_softc;
    928        1.1   deraadt 
    929       1.76    cegger 	log(LOG_ERR, "%s: device timeout\n", device_xname(&sc->sc_dev));
    930       1.33        is 	sc->sc_ethercom.ec_if.if_oerrors++;
    931        1.1   deraadt 
    932        1.1   deraadt 	egreset(sc);
    933        1.1   deraadt }
    934        1.1   deraadt 
    935       1.18   mycroft void
    936        1.1   deraadt egstop(sc)
    937       1.49  augustss 	struct eg_softc *sc;
    938        1.1   deraadt {
    939       1.65     perry 
    940       1.32   thorpej 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, EG_CONTROL, 0);
    941        1.1   deraadt }
    942