diff options
Diffstat (limited to 'sys/arch/mac68k')
| -rw-r--r-- | sys/arch/mac68k/dev/if_sn.c | 873 | ||||
| -rw-r--r-- | sys/arch/mac68k/dev/if_sn.h | 348 | ||||
| -rw-r--r-- | sys/arch/mac68k/dev/if_sn_nubus.c | 218 | ||||
| -rw-r--r-- | sys/arch/mac68k/dev/if_sn_obio.c | 157 | ||||
| -rw-r--r-- | sys/arch/mac68k/dev/if_snreg.h | 265 | ||||
| -rw-r--r-- | sys/arch/mac68k/dev/if_snvar.h | 239 |
6 files changed, 1398 insertions, 702 deletions
diff --git a/sys/arch/mac68k/dev/if_sn.c b/sys/arch/mac68k/dev/if_sn.c index aef9ace93d0..03e112348e2 100644 --- a/sys/arch/mac68k/dev/if_sn.c +++ b/sys/arch/mac68k/dev/if_sn.c @@ -1,4 +1,5 @@ -/* $OpenBSD: if_sn.c,v 1.8 1996/10/28 14:46:25 briggs Exp $ */ +/* $OpenBSD: if_sn.c,v 1.9 1997/03/12 13:20:31 briggs Exp $ +*/ /* * National Semiconductor SONIC Driver @@ -10,8 +11,6 @@ * it. */ -#include "sn.h" - #include <sys/param.h> #include <sys/systm.h> #include <sys/mbuf.h> @@ -37,237 +36,112 @@ #include <vm/vm.h> +extern int kvtop(caddr_t addr); + #include "bpfilter.h" #if NBPFILTER > 0 #include <net/bpf.h> #include <net/bpfdesc.h> #endif -#define NTXB 10 /* Number of xmit buffers */ - -#define SONICDW 32 typedef unsigned char uchar; +#include <machine/bus.h> #include <machine/cpu.h> -#include <machine/macinfo.h> #include <machine/viareg.h> -#include <mac68k/dev/if_sn.h> +#include <mac68k/dev/if_snreg.h> +#include <mac68k/dev/if_snvar.h> -#define SWR(a, x) (a) = (x) -#define SRD(a) ((a) & 0xffff) - -#define wbflush() - -/* - * Statistics collected over time - */ -struct sn_stats { - int ls_opacks; /* packets transmitted */ - int ls_ipacks; /* packets received */ - int ls_tdr; /* contents of tdr after collision */ - int ls_tdef; /* packets where had to wait */ - int ls_tone; /* packets with one retry */ - int ls_tmore; /* packets with more than one retry */ - int ls_tbuff; /* transmit buff errors */ - int ls_tuflo; /* " uflo " */ - int ls_tlcol; - int ls_tlcar; - int ls_trtry; - int ls_rbuff; /* receive buff errors */ - int ls_rfram; /* framing */ - int ls_roflo; /* overflow */ - int ls_rcrc; - int ls_rrng; /* rx ring sequence error */ - int ls_babl; /* chip babl error */ - int ls_cerr; /* collision error */ - int ls_miss; /* missed packet */ - int ls_merr; /* memory error */ - int ls_copies; /* copies due to out of range mbufs */ - int ls_maxmbufs; /* max mbufs on transmit */ - int ls_maxslots; /* max ring slots on transmit */ -}; +#include "nubus.h" -struct sn_softc { - struct device sc_dev; - struct arpcom sc_arpcom; -#define sc_if sc_arpcom.ac_if /* network visible interface */ -#define sc_enaddr sc_arpcom.ac_enaddr /* hardware ethernet address */ +#define SWR(a, x) (a) = (x) +#define SRD(a) ((a) & 0xffff) - struct sonic_reg *sc_csr; /* hardware pointer */ - int sc_rxmark; /* position in rx ring for reading buffs */ - - int sc_rramark; /* index into rra of wp */ - - int sc_txhead; /* index of first TDA passed to chip */ - int sc_missed; /* missed packet counter */ - - int txb_cnt; /* total number of xmit buffers */ - int txb_inuse; /* number of active xmit buffers */ - int txb_new; /* index of next open slot. */ - - struct RXpkt *sc_lrxp; /* last RDA available to chip */ - struct sn_stats sc_sum; - short sc_iflags; -} sn_softc; +#define wbflush() static void snwatchdog __P((struct ifnet *)); -static int snmatch __P((struct device *, void *, void *)); -static void snattach __P((struct device *, struct device *, void *)); -static int sngetaddr __P((struct sn_softc *sc)); static int sninit __P((struct sn_softc *sc)); static int snstop __P((struct sn_softc *sc)); -static int sonicput __P((struct sn_softc *sc, struct mbuf *m0)); -static int snintr __P((struct sn_softc *, int)); +static int sonicput32 __P((struct sn_softc *sc, struct mbuf *m0)); +static int sonicput16 __P((struct sn_softc *sc, struct mbuf *m0)); +static void snintr __P((void *, int)); static int snioctl __P((struct ifnet *ifp, u_long cmd, caddr_t data)); static void snstart __P((struct ifnet *ifp)); static void snreset __P((struct sn_softc *sc)); +static void sntxint16 __P((struct sn_softc *)); +static void sntxint32 __P((struct sn_softc *)); +static void snrxint16 __P((struct sn_softc *)); +static void snrxint32 __P((struct sn_softc *)); -void camdump __P((struct sn_softc *sc)); - -struct cfattach sn_ca = { - sizeof(struct sn_softc), snmatch, snattach -}; -struct cfdriver sn_cd = { - NULL, "sn", DV_IFNET -}; +void camdump __P((struct sn_softc *sc)); #undef assert #undef _assert #ifdef NDEBUG -#define assert(e) ((void)0) -#define _assert(e) ((void)0) +#define assert(e) ((void)0) +#define _assert(e) ((void)0) #else -#define _assert(e) assert(e) +#define _assert(e) assert(e) #ifdef __STDC__ -#define assert(e) ((e) ? (void)0 : __assert("sn ", __FILE__, __LINE__, #e)) -#else /* PCC */ -#define assert(e) ((e) ? (void)0 : __assert("sn "__FILE__, __LINE__, "e")) +#define assert(e) ((e) ? (void)0 : __assert("sn ", __FILE__, __LINE__, #e)) +#else /* PCC */ +#define assert(e) ((e) ? (void)0 : __assert("sn "__FILE__, __LINE__, "e")) #endif #endif int ethdebug = 0; -/* - * SONIC buffers need to be aligned 16 or 32 bit aligned. - * These macros calculate and verify alignment. - */ -#if SONICDW == 32 -#define SONICALIGN 4 -#else -#define SONICALIGN 2 -#endif -#define SOALIGN(array) (((int)array+SONICALIGN-1) & ~(SONICALIGN-1)) -#define SOALIGNED(p) (!(((uint)p)&(SONICALIGN-1))) +#define ROUNDUP(p, N) (((int) p + N - 1) & ~(N - 1)) #define LOWER(x) ((unsigned)(x) & 0xffff) #define UPPER(x) ((unsigned)(x) >> 16) /* - * buffer sizes in 32 bit mode - * 1 TXpkt is 4 hdr words + (3 * FRAGMAX) + 1 link word - * FRAGMAX == 16 => 54 words == 216 bytes - * - * 1 RxPkt is 7 words == 28 bytes - * 1 Rda is 4 words == 16 bytes - */ - -#define NRRA 32 /* # receive resource descriptors */ -#define RRAMASK 0x1f /* the reason why it must be power of two */ - -#define NRBA 16 /* # receive buffers < NRRA */ -#define NRDA NRBA /* # receive descriptors */ -#define NTDA 4 /* # transmit descriptors */ - -#define CDASIZE sizeof(struct CDA) -#define RRASIZE (NRRA*sizeof(struct RXrsrc)) -#define RDASIZE (NRDA*sizeof(struct RXpkt)) -#define TDASIZE (NTDA*sizeof(struct TXpkt)) - -#define FCSSIZE 4 /* size of FCS append te received packets */ - -/* - * maximum receive packet size plus 2 byte pad to make each - * one aligned. 4 byte slop (required for eobc) - */ -#define RBASIZE (sizeof(struct ether_header) + ETHERMTU + FCSSIZE + 2 + 4) - -/* - * space required for descriptors - */ -#define DESC_SIZE (RRASIZE + CDASIZE + RDASIZE + TDASIZE + SONICALIGN - 1) - -/* - * 16k transmit buffer area - */ -#define TXBSIZE 1536 /* 6*2^8 -- the same size as the 8390 TXBUF */ -#define TBASIZE (TXBSIZE * NTXB) - -/* * Nicely aligned pointers into the SONIC buffers * p_ points at physical (K1_SEG) addresses. */ -struct RXrsrc *p_rra; /* receiver resource descriptors */ -struct RXpkt *p_rda; /* receiver desriptors */ -struct TXpkt *p_tda; /* transmitter descriptors */ -struct CDA *p_cda; /* CAM descriptors */ -char *p_rba; /* receive buffer area base */ -char *p_tba; /* transmit buffer area base */ /* Meta transmit descriptors */ struct mtd { - struct mtd *mtd_link; - struct TXpkt *mtd_txp; - unsigned char *mtd_buf; + struct mtd *mtd_link; + void *mtd_txp; + int mtd_vtxp; + unsigned char *mtd_buf; } mtda[NTDA]; -struct mtd *mtdfree; /* list of free meta transmit descriptors */ -struct mtd *mtdhead; /* head of descriptors assigned to chip */ -struct mtd *mtdtail; /* tail of descriptors assigned to chip */ -struct mtd *mtdnext; /* next descriptor to give to chip */ +struct mtd *mtdfree; /* list of free meta transmit descriptors */ +struct mtd *mtdhead; /* head of descriptors assigned to chip */ +struct mtd *mtdtail; /* tail of descriptors assigned to chip */ +struct mtd *mtdnext; /* next descriptor to give to chip */ void mtd_free __P((struct mtd *)); struct mtd *mtd_alloc __P((void)); -static int -snmatch(parent, match, aux) - struct device *parent; - void *match, *aux; +struct cfdriver sn_cd = { + NULL, "sn", DV_IFNET +}; + +void +snsetup(sc) + struct sn_softc *sc; { - if (!mac68k_machine.sonic) - return 0; + struct ifnet *ifp = &sc->sc_if; + unsigned char *p; + unsigned char *pp; + int i; - return 1; -} + sc->sc_csr = (struct sonic_reg *) sc->sc_regh; /* - * Interface exists: make available by filling in network interface - * record. System will initialize the interface when it is ready - * to accept packets. + * Disable caching on register and DMA space. */ -static void -snattach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ -extern unsigned char SONICSPACE; -extern unsigned long SONICSPACE_size; - struct sn_softc *sc = (void *)self; - struct ifnet *ifp = &sc->sc_if; - int base, p, pp; + physaccess((caddr_t) sc->sc_csr, (caddr_t) kvtop((caddr_t) sc->sc_csr), + SN_REGSIZE, PG_V | PG_RW | PG_CI); - /* Must allocate extra memory in case we need to round later. */ - pp = (DESC_SIZE + NRBA*RBASIZE + 0x10000 + 4 + TBASIZE); - if (pp != SONICSPACE_size) { - printf(": SONICSPACE_size (%ld) != pp (%d). Punt!\n", - SONICSPACE_size, pp); - return; - } - base = p = (int) &SONICSPACE; - -#define SONIC_IO_OFFSET 0xA000 - sc->sc_csr = (struct sonic_reg *)(IOBase + SONIC_IO_OFFSET); + physaccess((caddr_t) sc->space, (caddr_t) kvtop((caddr_t) sc->space), + sizeof(sc->space), PG_V | PG_RW | PG_CI); /* * Put the pup in reset mode (sninit() will fix it later) @@ -283,40 +157,57 @@ extern unsigned long SONICSPACE_size; * a higher buffer address to a 16 bit offset--this will cause wrap * around problems near the end of 64k !! */ - if ((p ^ (p + RRASIZE + CDASIZE)) & 0x10000) - p = (p + 0x10000) & ~0xffff; - p_rra = (struct RXrsrc *) p; + p = &sc->space[0]; + pp = (unsigned char *)ROUNDUP ((int)p, NBPG); + + if ((RRASIZE + CDASIZE + RDASIZE + TDASIZE) > NBPG) { + printf ("sn: sizeof RRA (%d) + CDA (%d) + " + "RDA (%d) + TDA (%d) > NBPG (%d). Punt!\n", + RRASIZE, CDASIZE, RDASIZE, TDASIZE, NBPG); + return; + } + + p = pp; + sc->p_rra = (void *) p; + sc->v_rra = kvtop((caddr_t) sc->p_rra); p += RRASIZE; - p_cda = (struct CDA *) p; + sc->p_cda = (void *) (p); + sc->v_cda = kvtop((caddr_t) sc->p_cda); p += CDASIZE; - if ((p ^ (p + RDASIZE)) & 0x10000) - p = (p + 0x10000) & ~0xffff; - p_rda = (struct RXpkt *) p; + sc->p_rda = (void *) p; + sc->v_rda = kvtop((caddr_t) sc->p_rda); p += RDASIZE; - if ((p ^ (p + TDASIZE)) & 0x10000) - p = (p + 0x10000) & ~0xffff; - p_tda = (struct TXpkt *) p; + sc->p_tda = (void *) p; + sc->v_tda = kvtop((caddr_t) sc->p_tda); p += TDASIZE; - p = SOALIGN(p); - p_rba = (char *) p; - p += NRBA * RBASIZE; + p = pp + NBPG; + + for (i = 0; i < NRBA; i+=2) { + sc->rbuf[i] = (caddr_t) p; + sc->rbuf[i+1] = (caddr_t)(p + (NBPG/2)); + p += NBPG; + } - p_tba = (char *) p; + for (i = 0; i < NTXB; i+=2) { + sc->tbuf[i] = (caddr_t) p; + sc->tbuf[i+1] = (caddr_t)(p + (NBPG/2)); + sc->vtbuf[i] = kvtop(sc->tbuf[i]); + sc->vtbuf[i+1] = kvtop(sc->tbuf[i+1]); + p += NBPG; + } #if 0 camdump(sc); #endif - sngetaddr(sc); - printf(" address %s, ", ether_sprintf(sc->sc_enaddr)); - printf("SONIC ethernet--%d bytes at 0x%x.\n", pp, base); + printf(" address %s\n", ether_sprintf(sc->sc_enaddr)); #if 0 -printf("sonic buffers: rra=0x%x cda=0x%x rda=0x%x tda=0x%x rba=0x%x tba=0x%x\n", - p_rra, p_cda, p_rda, p_tda, p_rba, p_tba); +printf("sonic buffers: rra=0x%x cda=0x%x rda=0x%x tda=0x%x\n", + sc->p_rra, sc->p_cda, sc->p_rda, sc->p_tda); #endif bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ); @@ -325,14 +216,22 @@ printf("sonic buffers: rra=0x%x cda=0x%x rda=0x%x tda=0x%x rba=0x%x tba=0x%x\n", ifp->if_start = snstart; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_watchdog = snwatchdog; + #if NBPFILTER > 0 bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, sizeof(struct ether_header)); #endif + if_attach(ifp); ether_ifattach(ifp); - add_nubus_intr(9, (void (*) __P((void *, int))) snintr, (void *) sc); - enable_nubus_intr(); + if (sc->sc_is16) { + sc->rxint = snrxint16; + sc->txint = sntxint16; + } else { + sc->rxint = snrxint32; + sc->txint = sntxint32; + } + add_nubus_intr(sc->slotno, snintr, (void *) sc); } static int @@ -344,12 +243,7 @@ snioctl(ifp, cmd, data) struct ifaddr *ifa; struct sn_softc *sc = ifp->if_softc; int s = splnet(), err = 0; - int temp, error; - - if ((error = ether_ioctl(ifp, &sc->sc_arpcom, cmd, data)) > 0) { - splx(s); - return error; - } + int temp; switch (cmd) { @@ -378,7 +272,8 @@ snioctl(ifp, cmd, data) (ifp->if_flags & IFF_RUNNING) == 0) (void)sninit(ifp->if_softc); /* - * If the state of the promiscuous bit changes, the interface + * If the state of the promiscuous bit changes, the +interface * must be reset to effect the change. */ if (((ifp->if_flags ^ sc->sc_iflags) & IFF_PROMISC) && @@ -430,7 +325,7 @@ snstart(ifp) { struct sn_softc *sc = ifp->if_softc; struct mbuf *m; - int len; + int len; if ((sc->sc_if.if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) return; @@ -464,8 +359,12 @@ outloop: * the Tx ring, then send the packet directly. Otherwise append * it to the o/p queue. */ - len = sonicput(sc, m); -#if DIAGNOSTIC + if (sc->sc_is16) { + len = sonicput16(sc, m); + } else { + len = sonicput32(sc, m); + } +#if 0 if (len != m->m_pkthdr.len) { printf("snstart: len %d != m->m_pkthdr.len %d.\n", len, m->m_pkthdr.len); @@ -482,7 +381,7 @@ outloop: sc->txb_inuse++; sc->sc_if.if_opackets++; /* # of pkts */ - sc->sc_sum.ls_opacks++; /* # of pkts */ + sc->sc_sum.ls_opacks++; /* # of pkts */ /* Jump back for possibly more punishment. */ goto outloop; @@ -492,8 +391,8 @@ outloop: * This is called from sonicioctl() when /etc/ifconfig is run to set * the address or switch the i/f on. */ -void caminitialise __P((void)); -void camentry __P((int, unsigned char *ea)); +void caminitialise __P((struct sn_softc *)); +void camentry __P((struct sn_softc *, int, unsigned char *)); void camprogram __P((struct sn_softc *)); void initialise_tda __P((struct sn_softc *)); void initialise_rda __P((struct sn_softc *)); @@ -526,13 +425,12 @@ sninit(sc) s = splnet(); - csr->s_cr = CR_RST; /* s_dcr only accessable reset mode! */ + csr->s_cr = CR_RST; /* s_dcr only accessable reset mode! */ /* config it */ - csr->s_dcr = DCR_LBR | DCR_SYNC | DCR_WAIT0 | DCR_DW32 | DCR_DMABLOCK | - DCR_RFT16 | DCR_TFT16; + csr->s_dcr = sc->s_dcr; csr->s_rcr = RCR_BRD | RCR_LBNONE; - csr->s_imr = IMR_PRXEN | IMR_PTXEN | IMR_TXEREN | IMR_HBLEN | IMR_LCDEN; + csr->s_imr = IMR_PRXEN | IMR_PTXEN | IMR_TXEREN | IMR_LCDEN; /* clear pending interrupts */ csr->s_isr = 0x7fff; @@ -552,8 +450,8 @@ sninit(sc) wbflush(); /* program the CAM with our address */ - caminitialise(); - camentry(0, sc->sc_enaddr); + caminitialise(sc); + camentry(sc, 0, sc->sc_enaddr); camprogram(sc); /* get it to read resource descriptors */ @@ -618,15 +516,22 @@ snwatchdog(ifp) { struct sn_softc *sc = ifp->if_softc; int temp; + u_long status; if (mtdhead && mtdhead->mtd_buf) { /* something still pending for transmit */ - if (mtdhead->mtd_txp->status == 0) + if (sc->sc_is16) { + status = ((struct _short_TXpkt *) + mtdhead->mtd_txp)->status; + } else { + status = ((struct TXpkt *) mtdhead->mtd_txp)->status; + } + if (status == 0) log(LOG_ERR, "%s: Tx - timeout\n", sc->sc_dev.dv_xname); else log(LOG_ERR, "%s: Tx - lost interrupt\n", - sc->sc_dev.dv_xname); + sc->sc_dev.dv_xname); temp = sc->sc_if.if_flags & IFF_UP; snreset(sc); sc->sc_if.if_flags |= temp; @@ -634,26 +539,27 @@ snwatchdog(ifp) } /* - * stuff packet into sonic (at splnet) + * stuff packet into sonic (at splnet) (16-bit) */ static int -sonicput(sc, m0) +sonicput16(sc, m0) struct sn_softc *sc; struct mbuf *m0; { struct sonic_reg *csr = sc->sc_csr; - unsigned char *buff, *buffer, *data; - struct TXpkt *txp; + unsigned char *buff, *buffer, *data; + struct _short_TXpkt *txp; struct mtd *mtdnew; struct mbuf *m; - int len = 0, totlen = 0; + unsigned int len = 0; + unsigned int totlen = 0; /* grab the replacement mtd */ if ((mtdnew = mtd_alloc()) == 0) return (0); /* We are guaranteed, if we get here, that the xmit buffer is free. */ - buff = buffer = p_tba + sc->txb_new * TXBSIZE; + buff = buffer = sc->tbuf[sc->txb_new]; /* this packet goes to mdtnext fill in the TDA */ mtdnext->mtd_buf = buffer; @@ -670,13 +576,12 @@ sonicput(sc, m0) if (totlen >= TXBSIZE) { panic("packet overflow in sonicput."); } - SWR(txp->u[0].frag_ptrlo, LOWER(buffer)); - SWR(txp->u[0].frag_ptrhi, UPPER(buffer)); + SWR(txp->u[0].frag_ptrlo, LOWER(sc->vtbuf[sc->txb_new])); + SWR(txp->u[0].frag_ptrhi, UPPER(sc->vtbuf[sc->txb_new])); SWR(txp->u[0].frag_size, totlen); - if (len < ETHERMIN + sizeof(struct ether_header)) { + if (totlen < ETHERMIN + sizeof(struct ether_header)) { int pad = ETHERMIN + sizeof(struct ether_header) - totlen; -printf("Padding %d to %d bytes\n", totlen, totlen+pad); bzero(buffer + totlen, pad); SWR(txp->u[0].frag_size, pad + SRD(txp->u[0].frag_size)); totlen = ETHERMIN + sizeof(struct ether_header); @@ -685,20 +590,23 @@ printf("Padding %d to %d bytes\n", totlen, totlen+pad); SWR(txp->pkt_size, totlen); /* link onto the next mtd that will be used */ - SWR(txp->u[0].tlink, LOWER(mtdnew->mtd_txp) | EOL); + SWR(txp->u[1].tlink, LOWER(mtdnew->mtd_vtxp) | EOL); if (mtdhead == 0) { /* no current transmit list start with this one */ mtdtail = mtdhead = mtdnext; - csr->s_ctda = LOWER(txp); + csr->s_ctda = LOWER(mtdnext->mtd_vtxp); } else { /* * have a transmit list append it to end note * mtdnext is already physicaly linked to mtdtail in * mtdtail->mtd_txp->u[mtdtail->mtd_txp->frag_count].tlink */ - SWR(mtdtail->mtd_txp->u[mtdtail->mtd_txp->frag_count].tlink, - SRD(mtdtail->mtd_txp->u[mtdtail->mtd_txp->frag_count].tlink) & ~EOL); + struct _short_TXpkt *tp; + + tp = (struct _short_TXpkt *) mtdtail->mtd_txp; + SWR(tp->u[tp->frag_count].tlink, + SRD(tp->u[tp->frag_count].tlink) & ~EOL); mtdtail = mtdnext; } mtdnext->mtd_link = mtdnew; @@ -708,46 +616,93 @@ printf("Padding %d to %d bytes\n", totlen, totlen+pad); wbflush(); csr->s_cr = CR_TXP; wbflush(); - sc->sc_if.if_timer = 5; /* 5 seconds to watch for failing to transmit */ + sc->sc_if.if_timer = 5; /* 5 seconds to watch for failing to transmit */ return (totlen); } /* - * Read out the ethernet address from the cam. It is stored - * there by the boot when doing a loopback test. Thus we don't - * have to fetch it from nv ram. + * 32-bit version of sonicput */ static int -sngetaddr(sc) +sonicput32(sc, m0) struct sn_softc *sc; + struct mbuf *m0; { - unsigned i; + struct sonic_reg *csr = sc->sc_csr; + unsigned char *buff, *buffer, *data; + struct TXpkt *txp; + struct mtd *mtdnew; + struct mbuf *m; + unsigned int len = 0; + unsigned int totlen = 0; - sc->sc_csr->s_cr = CR_RST; - wbflush(); - sc->sc_csr->s_cep = 15; /* For some reason, Apple fills top first. */ - i = sc->sc_csr->s_cap2; - wbflush(); - sc->sc_enaddr[5] = i >> 8; - sc->sc_enaddr[4] = i; - i = sc->sc_csr->s_cap1; - wbflush(); - sc->sc_enaddr[3] = i >> 8; - sc->sc_enaddr[2] = i; - i = sc->sc_csr->s_cap0; - wbflush(); - sc->sc_enaddr[1] = i >> 8; - sc->sc_enaddr[0] = i; + /* grab the replacement mtd */ + if ((mtdnew = mtd_alloc()) == 0) + return (0); - sc->sc_csr->s_cr = 0; + /* We are guaranteed, if we get here, that the xmit buffer is free. */ + buff = buffer = sc->tbuf[sc->txb_new]; + + /* this packet goes to mdtnext fill in the TDA */ + mtdnext->mtd_buf = buffer; + txp = mtdnext->mtd_txp; + SWR(txp->config, 0); + + for (m = m0; m; m = m->m_next) { + data = mtod(m, u_char *); + len = m->m_len; + totlen += len; + bcopy(data, buff, len); + buff += len; + } + if (totlen >= TXBSIZE) { + panic("packet overflow in sonicput."); + } + SWR(txp->u[0].frag_ptrlo, LOWER(sc->vtbuf[sc->txb_new])); + SWR(txp->u[0].frag_ptrhi, UPPER(sc->vtbuf[sc->txb_new])); + SWR(txp->u[0].frag_size, totlen); + + if (totlen < ETHERMIN + sizeof(struct ether_header)) { + int pad = ETHERMIN + sizeof(struct ether_header) - totlen; + bzero(buffer + totlen, pad); + SWR(txp->u[0].frag_size, pad + SRD(txp->u[0].frag_size)); + totlen = ETHERMIN + sizeof(struct ether_header); + } + SWR(txp->frag_count, 1); + SWR(txp->pkt_size, totlen); + + /* link onto the next mtd that will be used */ + SWR(txp->u[1].tlink, LOWER(mtdnew->mtd_vtxp) | EOL); + + if (mtdhead == 0) { + /* no current transmit list start with this one */ + mtdtail = mtdhead = mtdnext; + csr->s_ctda = LOWER(mtdnext->mtd_vtxp); + } else { + /* + * have a transmit list append it to end note + * mtdnext is already physicaly linked to mtdtail in + * mtdtail->mtd_txp->u[mtdtail->mtd_txp->frag_count].tlink + */ + struct TXpkt *tp; + + tp = (struct TXpkt *) mtdtail->mtd_txp; + SWR(tp->u[tp->frag_count].tlink, + SRD(tp->u[tp->frag_count].tlink) & ~EOL); + mtdtail = mtdnext; + } + mtdnext->mtd_link = mtdnew; + mtdnext = mtdnew; + + /* make sure chip is running */ wbflush(); - return (0); + csr->s_cr = CR_TXP; + wbflush(); + sc->sc_if.if_timer = 5; /* 5 seconds to watch for failing to transmit */ + return (totlen); } -void sonictxint __P((struct sn_softc *)); -void sonicrxint __P((struct sn_softc *)); - -int sonic_read __P((struct sn_softc *, struct RXpkt *)); +int sonic_read __P((struct sn_softc *, caddr_t, int)); struct mbuf *sonic_get __P((struct sn_softc *, struct ether_header *, int)); void @@ -774,25 +729,53 @@ mtd_alloc() * CAM support */ void -caminitialise() +caminitialise(sc) + struct sn_softc *sc; { int i; - for (i = 0; i < MAXCAM; i++) - SWR(p_cda->desc[i].cam_ep, i); - SWR(p_cda->enable, 0); + if (sc->sc_is16) { + struct _short_CDA *p_cda; + + p_cda = (struct _short_CDA *) sc->p_cda; + for (i = 0; i < MAXCAM; i++) + SWR(p_cda->desc[i].cam_ep, i); + SWR(p_cda->enable, 0); + } else { + struct CDA *p_cda; + + p_cda = (struct CDA *) sc->p_cda; + for (i = 0; i < MAXCAM; i++) + SWR(p_cda->desc[i].cam_ep, i); + SWR(p_cda->enable, 0); + } } void -camentry(entry, ea) +camentry(sc, entry, ea) + struct sn_softc *sc; int entry; unsigned char *ea; { - SWR(p_cda->desc[entry].cam_ep, entry); - SWR(p_cda->desc[entry].cam_ap2, (ea[5] << 8) | ea[4]); - SWR(p_cda->desc[entry].cam_ap1, (ea[3] << 8) | ea[2]); - SWR(p_cda->desc[entry].cam_ap0, (ea[1] << 8) | ea[0]); - SWR(p_cda->enable, SRD(p_cda->enable) | (1 << entry)); + if (sc->sc_is16) { + struct _short_CDA *p_cda; + + p_cda = (struct _short_CDA *) sc->p_cda; + SWR(p_cda->desc[entry].cam_ep, entry); + SWR(p_cda->desc[entry].cam_ap2, (ea[5] << 8) | ea[4]); + SWR(p_cda->desc[entry].cam_ap1, (ea[3] << 8) | ea[2]); + SWR(p_cda->desc[entry].cam_ap0, (ea[1] << 8) | ea[0]); + SWR(p_cda->enable, SRD(p_cda->enable) | (1 << entry)); + } else { + struct CDA *p_cda; + + p_cda = (struct CDA *) sc->p_cda; + SWR(p_cda->desc[entry].cam_ep, entry); + SWR(p_cda->desc[entry].cam_ap2, (ea[5] << 8) | ea[4]); + SWR(p_cda->desc[entry].cam_ap1, (ea[3] << 8) | ea[2]); + SWR(p_cda->desc[entry].cam_ap0, (ea[1] << 8) | ea[0]); + SWR(p_cda->enable, SRD(p_cda->enable) | (1 << entry)); + } } void @@ -803,7 +786,7 @@ camprogram(sc) int timeout; csr = sc->sc_csr; - csr->s_cdp = LOWER(p_cda); + csr->s_cdp = LOWER(sc->v_cda); csr->s_cdc = MAXCAM; csr->s_cr = CR_LCAM; wbflush(); @@ -859,21 +842,28 @@ initialise_tda(sc) { struct sonic_reg *csr; struct mtd *mtd; - int i; + int i, psize; + u_long p; csr = sc->sc_csr; mtdfree = mtdhead = mtdtail = (struct mtd *) 0; + p = (u_long) sc->p_tda; + psize = (sc->sc_is16 ? + sizeof(struct _short_TXpkt) : sizeof(struct TXpkt)); + for (i = 0; i < NTDA; i++) { mtd = &mtda[i]; - mtd->mtd_txp = &p_tda[i]; + mtd->mtd_txp = (struct TXpkt *) p; + mtd->mtd_vtxp = kvtop((caddr_t) mtd->mtd_txp); mtd->mtd_buf = 0; mtd_free(mtd); + p += psize; } mtdnext = mtd_alloc(); - csr->s_utda = UPPER(p_tda); + csr->s_utda = UPPER(sc->v_tda); } void @@ -886,20 +876,43 @@ initialise_rda(sc) csr = sc->sc_csr; /* link the RDA's together into a circular list */ - for (i = 0; i < (NRDA - 1); i++) { - SWR(p_rda[i].rlink, LOWER(&p_rda[i + 1])); - SWR(p_rda[i].in_use, 1); - } - SWR(p_rda[NRDA - 1].rlink, LOWER(&p_rda[0]) | EOL); - SWR(p_rda[NRDA - 1].in_use, 1); + if (sc->sc_is16) { + int v_rda; + struct _short_RXpkt *p_rda; + + p_rda = (struct _short_RXpkt *) sc->p_rda; + for (i = 0; i < (NRDA - 1); i++) { + SWR(p_rda[i].rlink, + LOWER(v_rda + (i + 1) * sizeof(struct _short_RXpkt))); + SWR(p_rda[i].in_use, 1); + } + SWR(p_rda[NRDA - 1].rlink, LOWER(v_rda) | EOL); + SWR(p_rda[NRDA - 1].in_use, 1); - /* mark end of receive descriptor list */ - sc->sc_lrxp = &p_rda[NRDA - 1]; + /* mark end of receive descriptor list */ + sc->sc_lrxp = &p_rda[NRDA - 1]; + } else { + int v_rda; + struct RXpkt *p_rda; + + v_rda = sc->v_rda; + p_rda = (struct RXpkt *) sc->p_rda; + for (i = 0; i < (NRDA - 1); i++) { + SWR(p_rda[i].rlink, + LOWER(v_rda + (i + 1) * sizeof(struct RXpkt))); + SWR(p_rda[i].in_use, 1); + } + SWR(p_rda[NRDA - 1].rlink, LOWER(v_rda) | EOL); + SWR(p_rda[NRDA - 1].in_use, 1); + + /* mark end of receive descriptor list */ + sc->sc_lrxp = &p_rda[NRDA - 1]; + } sc->sc_rxmark = 0; - csr->s_urda = UPPER(&p_rda[0]); - csr->s_crda = LOWER(&p_rda[0]); + csr->s_urda = UPPER(sc->v_rda); + csr->s_crda = LOWER(sc->v_rda); wbflush(); } @@ -909,24 +922,46 @@ initialise_rra(sc) { struct sonic_reg *csr; int i; + int rr_size; csr = sc->sc_csr; - csr->s_eobc = RBASIZE / 2 - 2; /* must be >= MAXETHERPKT */ - csr->s_urra = UPPER(p_rra); - csr->s_rsa = LOWER(p_rra); - csr->s_rea = LOWER(&p_rra[NRRA]); - csr->s_rrp = LOWER(p_rra); + if (sc->sc_is16) { + rr_size = sizeof(struct _short_RXrsrc); + csr->s_eobc = RBASIZE(sc) / 2 - 1; /* must be >= MAXETHERPKT */ + } else { + rr_size = sizeof(struct RXrsrc); + csr->s_eobc = RBASIZE(sc) / 2 - 2; /* must be >= MAXETHERPKT */ + } + csr->s_urra = UPPER(sc->v_rra); + csr->s_rsa = LOWER(sc->v_rra); + csr->s_rea = LOWER(sc->v_rra + (NRRA * rr_size)); + csr->s_rrp = LOWER(sc->v_rra); /* fill up SOME of the rra with buffers */ - for (i = 0; i < NRBA; i++) { - SWR(p_rra[i].buff_ptrhi, UPPER(&p_rba[i * RBASIZE])); - SWR(p_rra[i].buff_ptrlo, LOWER(&p_rba[i * RBASIZE])); - SWR(p_rra[i].buff_wchi, UPPER(RBASIZE / 2)); - SWR(p_rra[i].buff_wclo, LOWER(RBASIZE / 2)); + if (sc->sc_is16) { + struct _short_RXrsrc *p_rra; + + p_rra = (struct _short_RXrsrc *) sc->p_rra; + for (i = 0; i < NRBA; i++) { + SWR(p_rra[i].buff_ptrhi, UPPER(kvtop(sc->rbuf[i]))); + SWR(p_rra[i].buff_ptrlo, LOWER(kvtop(sc->rbuf[i]))); + SWR(p_rra[i].buff_wchi, UPPER(RBASIZE(sc) / 2)); + SWR(p_rra[i].buff_wclo, LOWER(RBASIZE(sc) / 2)); + } + } else { + struct RXrsrc *p_rra; + + p_rra = (struct RXrsrc *) sc->p_rra; + for (i = 0; i < NRBA; i++) { + SWR(p_rra[i].buff_ptrhi, UPPER(kvtop(sc->rbuf[i]))); + SWR(p_rra[i].buff_ptrlo, LOWER(kvtop(sc->rbuf[i]))); + SWR(p_rra[i].buff_wchi, UPPER(RBASIZE(sc) / 2)); + SWR(p_rra[i].buff_wclo, LOWER(RBASIZE(sc) / 2)); + } } sc->sc_rramark = NRBA; - csr->s_rwp = LOWER(&p_rra[sc->sc_rramark]); + csr->s_rwp = LOWER(sc->v_rra + (sc->sc_rramark * rr_size)); wbflush(); } @@ -939,16 +974,16 @@ initialise_tba(sc) sc->txb_new = 0; } -static int -snintr(sc, slot) - struct sn_softc *sc; - int slot; +static void +snintr(arg, slot) + void *arg; + int slot; { + struct sn_softc *sc = (struct sn_softc *)arg; struct sonic_reg *csr = sc->sc_csr; - int isr; + int isr; while ((isr = (csr->s_isr & ISR_ALL)) != 0) { -printf("snintr: %x.\n", isr); /* scrub the interrupts that we are going to service */ csr->s_isr = isr; wbflush(); @@ -957,14 +992,21 @@ printf("snintr: %x.\n", isr); printf("sonic: unexpected interrupt status 0x%x\n", isr); if (isr & (ISR_TXDN | ISR_TXER)) - sonictxint(sc); + (*sc->txint)(sc); if (isr & ISR_PKTRX) - sonicrxint(sc); + (*sc->rxint)(sc); if (isr & (ISR_HBL | ISR_RDE | ISR_RBE | ISR_RBAE | ISR_RFO)) { if (isr & ISR_HBL) - printf("sonic: no heartbeat\n"); + /* + * The repeater is not providing a heartbeat. + * In itself this isn't harmful, lots of the + * cheap repeater hubs don't supply a heartbeat. + * So ignore the lack of heartbeat. Its only + * if we can't detect a carrier that we have a + * problem. + */ if (isr & ISR_RDE) printf("sonic: receive descriptors exhausted\n"); if (isr & ISR_RBE) @@ -986,14 +1028,75 @@ printf("snintr: %x.\n", isr); } snstart(&sc->sc_if); } - return (1); + return; } /* - * Transmit interrupt routine + * Transmit interrupt routine (16-bit) */ -void -sonictxint(sc) +static void +sntxint16(sc) + struct sn_softc *sc; +{ + struct _short_TXpkt *txp; + struct sonic_reg *csr; + struct mtd *mtd; + + if (mtdhead == (struct mtd *) 0) + return; + + csr = sc->sc_csr; + + while ((mtd = mtdhead) != NULL) { + if (mtd->mtd_buf == 0) + break; + + txp = (struct _short_TXpkt *) mtd->mtd_txp; + + if (SRD(txp->status) == 0) /* it hasn't really gone yet */ + return; + + if (ethdebug) { + struct ether_header *eh; + + eh = (struct ether_header *) mtd->mtd_buf; + printf("xmit status=0x%x len=%d type=0x%x from %s", + txp->status, + txp->pkt_size, + htons(eh->ether_type), + ether_sprintf(eh->ether_shost)); + printf(" (to %s)\n", ether_sprintf(eh->ether_dhost)); + } + sc->txb_inuse--; + mtd->mtd_buf = 0; + mtdhead = mtd->mtd_link; + + mtd_free(mtd); + + /* XXX - Do stats here. */ + + if ((SRD(txp->status) & TCR_PTX) == 0) { + printf("sonic: Tx packet status=0x%x\n", txp->status); + + /* XXX - DG This looks bogus */ + if (mtdhead != mtdnext) { + printf("resubmitting remaining packets\n"); + csr->s_ctda = LOWER(mtdhead->mtd_vtxp); + csr->s_cr = CR_TXP; + wbflush(); + return; + } + } + } + /* mtdhead should be at mtdnext (go) */ + mtdhead = 0; +} + +/* + * Transmit interrupt routine (32-bit) + */ +static void +sntxint32(sc) struct sn_softc *sc; { struct TXpkt *txp; @@ -1011,7 +1114,7 @@ sonictxint(sc) txp = mtd->mtd_txp; - if (SRD(txp->status) == 0) /* it hasn't really gone yet */ + if (SRD(txp->status) == 0) /* it hasn't really gone yet */ return; if (ethdebug) { @@ -1036,9 +1139,10 @@ sonictxint(sc) if ((SRD(txp->status) & TCR_PTX) == 0) { printf("sonic: Tx packet status=0x%lx\n", txp->status); + /* XXX - DG This looks bogus */ if (mtdhead != mtdnext) { printf("resubmitting remaining packets\n"); - csr->s_ctda = LOWER(mtdhead->mtd_txp); + csr->s_ctda = LOWER(mtdhead->mtd_vtxp); csr->s_cr = CR_TXP; wbflush(); return; @@ -1046,32 +1150,36 @@ sonictxint(sc) } } /* mtdhead should be at mtdnext (go) */ - assert(mtdhead == mtdnext); - assert(mtdhead->mtd_link == 0); mtdhead = 0; } /* - * Receive interrupt routine + * Receive interrupt routine (16-bit) */ -void -sonicrxint(sc) +static void +snrxint16(sc) struct sn_softc *sc; { - struct sonic_reg *csr = sc->sc_csr; - struct RXpkt *rxp; - int orra; - + struct sonic_reg *csr = sc->sc_csr; + struct _short_RXpkt *rxp, *p_rda; + struct _short_RXrsrc *p_rra; + int orra; + int len; + + p_rra = (struct _short_RXrsrc *) sc->p_rra; + p_rda = (struct _short_RXpkt *) sc->p_rda; rxp = &p_rda[sc->sc_rxmark]; while (SRD(rxp->in_use) == 0) { unsigned status = SRD(rxp->status); if ((status & RCR_LPKT) == 0) printf("sonic: more than one packet in RBA!\n"); - assert(PSNSEQ(SRD(rxp->seq_no)) == 0); + orra = RBASEQ(SRD(rxp->seq_no)) & RRAMASK; + len = SRD(rxp->byte_count) + - sizeof(struct ether_header) - FCSSIZE; if (status & RCR_PRX) { - if (sonic_read(sc, rxp)) { + if (sonic_read(sc, sc->rbuf[orra & RBAMASK], len)) { sc->sc_if.if_ipackets++; sc->sc_sum.ls_ipacks++; sc->sc_missed = 0; @@ -1080,17 +1188,77 @@ sonicrxint(sc) sc->sc_if.if_ierrors++; /* - * give receive buffer area back to chip XXX what buffer - * did the sonic use for this descriptor answer look at - * the rba sequence number !! + * give receive buffer area back to chip. + * + * orra is now empty of packets and can be freed if + * sonic read didnt copy it out then we would have to + * wait !! + * (dont bother add it back in again straight away) */ - orra = RBASEQ(SRD(rxp->seq_no)) & RRAMASK; + p_rra[sc->sc_rramark] = p_rra[orra]; + + /* zap old rra for fun */ + p_rra[orra].buff_wchi = 0; + p_rra[orra].buff_wclo = 0; + + sc->sc_rramark = (sc->sc_rramark + 1) & RRAMASK; + csr->s_rwp = LOWER(sc->v_rra + + (sc->sc_rramark * sizeof(struct _short_RXrsrc))); + wbflush(); + + /* + * give receive descriptor back to chip simple + * list is circular + */ + SWR(rxp->in_use, 1); + SWR(rxp->rlink, SRD(rxp->rlink) | EOL); + SWR(((struct _short_RXpkt *) sc->sc_lrxp)->rlink, + SRD(((struct _short_RXpkt *) sc->sc_lrxp)->rlink) & ~EOL); + sc->sc_lrxp = (void *) rxp; - assert(SRD(rxp->pkt_ptrhi) == SRD(p_rra[orra].buff_ptrhi)); - assert(SRD(rxp->pkt_ptrlo) == SRD(p_rra[orra].buff_ptrlo)); - assert(SRD(p_rra[orra].buff_wclo)); + if (++sc->sc_rxmark >= NRDA) + sc->sc_rxmark = 0; + rxp = &p_rda[sc->sc_rxmark]; + } +} + +/* + * Receive interrupt routine (normal 32-bit) + */ +static void +snrxint32(sc) + struct sn_softc *sc; +{ + struct sonic_reg *csr = sc->sc_csr; + struct RXpkt *rxp, *p_rda; + struct RXrsrc *p_rra; + int orra; + int len; + + p_rra = (struct RXrsrc *) sc->p_rra; + p_rda = (struct RXpkt *) sc->p_rda; + rxp = &p_rda[sc->sc_rxmark]; + + while (SRD(rxp->in_use) == 0) { + unsigned status = SRD(rxp->status); + if ((status & RCR_LPKT) == 0) + printf("sonic: more than one packet in RBA!\n"); + + orra = RBASEQ(SRD(rxp->seq_no)) & RRAMASK; + len = SRD(rxp->byte_count) + - sizeof(struct ether_header) - FCSSIZE; + if (status & RCR_PRX) { + if (sonic_read(sc, sc->rbuf[orra & RBAMASK], len)) { + sc->sc_if.if_ipackets++; + sc->sc_sum.ls_ipacks++; + sc->sc_missed = 0; + } + } else + sc->sc_if.if_ierrors++; /* + * give receive buffer area back to chip. + * * orra is now empty of packets and can be freed if * sonic read didnt copy it out then we would have to * wait !! @@ -1103,7 +1271,8 @@ sonicrxint(sc) p_rra[orra].buff_wclo = 0; sc->sc_rramark = (sc->sc_rramark + 1) & RRAMASK; - csr->s_rwp = LOWER(&p_rra[sc->sc_rramark]); + csr->s_rwp = LOWER(sc->v_rra + + (sc->sc_rramark * sizeof(struct RXrsrc))); wbflush(); /* @@ -1112,8 +1281,9 @@ sonicrxint(sc) */ SWR(rxp->in_use, 1); SWR(rxp->rlink, SRD(rxp->rlink) | EOL); - SWR(sc->sc_lrxp->rlink, SRD(sc->sc_lrxp->rlink) & ~EOL); - sc->sc_lrxp = rxp; + SWR(((struct RXpkt *) sc->sc_lrxp)->rlink, + SRD(((struct RXpkt *) sc->sc_lrxp)->rlink) & ~EOL); + sc->sc_lrxp = (void *) rxp; if (++sc->sc_rxmark >= NRDA) sc->sc_rxmark = 0; @@ -1126,32 +1296,26 @@ sonicrxint(sc) * appropriate protocol handler */ int -sonic_read(sc, rxp) +sonic_read(sc, pkt, len) struct sn_softc *sc; - struct RXpkt *rxp; + caddr_t pkt; + int len; { struct ifnet *ifp = &sc->sc_if; - /*extern char *ether_sprintf();*/ struct ether_header *et; struct mbuf *m; - int len; - caddr_t pkt; /* - * Get input data length. - * Get pointer to ethernet header (in input buffer). - * Deal with trailer protocol: if type is PUP trailer - * get true type from first 16-bit word past data. - * Remember that type was trailer by setting off. - */ - - len = SRD(rxp->byte_count) - sizeof(struct ether_header) - FCSSIZE; - pkt = (caddr_t)((SRD(rxp->pkt_ptrhi) << 16) | SRD(rxp->pkt_ptrlo)); + * Get pointer to ethernet header (in input buffer). + * Deal with trailer protocol: if type is PUP trailer + * get true type from first 16-bit word past data. + * Remember that type was trailer by setting off. + */ et = (struct ether_header *)pkt; if (ethdebug) { - printf("rcvd 0x%p status=0x%lx, len=%d type=0x%x from %s", - et, rxp->status, len, htons(et->ether_type), + printf("rcvd 0x%p len=%d type=0x%x from %s", + et, len, htons(et->ether_type), ether_sprintf(et->ether_shost)); printf(" (to %s)\n", ether_sprintf(et->ether_dhost)); } @@ -1164,7 +1328,8 @@ sonic_read(sc, rxp) /* * Check if there's a bpf filter listening on this interface. * If so, hand off the raw packet to enet, then discard things - * not destined for us (but be sure to keep broadcast/multicast). + * not destined for us (but be sure to keep +broadcast/multicast). */ if (sc->sc_if.if_bpf) { bpf_tap(sc->sc_if.if_bpf, pkt, @@ -1183,7 +1348,7 @@ sonic_read(sc, rxp) return(1); } -#define sonicdataaddr(eh, off, type) ((type)(((caddr_t)((eh)+1)+(off)))) +#define sonicdataaddr(eh, off, type) ((type)(((caddr_t)((eh)+1)+(off)))) /* * munge the received packet into an mbuf chain @@ -1199,9 +1364,9 @@ sonic_get(sc, eh, datalen) struct mbuf *m; struct mbuf *top = 0, **mp = ⊤ int len; - char *spkt = sonicdataaddr(eh, 0, caddr_t); - char *epkt = spkt + datalen; - char *cp = spkt; + char *spkt = sonicdataaddr(eh, 0, caddr_t); + char *epkt = spkt + datalen; + char *cp = spkt; epkt = cp + datalen; MGETHDR(m, M_DONTWAIT, MT_DATA); @@ -1229,8 +1394,8 @@ sonic_get(sc, eh, datalen) len = m->m_len; } else { /* - * Place initial small packet/header at end of mbuf. - */ + * Place initial small packet/header at end of mbuf. + */ if (len < m->m_len) { if (top == 0 && len + max_linkhdr <= m->m_len) m->m_data += max_linkhdr; diff --git a/sys/arch/mac68k/dev/if_sn.h b/sys/arch/mac68k/dev/if_sn.h deleted file mode 100644 index 84fa81fc70c..00000000000 --- a/sys/arch/mac68k/dev/if_sn.h +++ /dev/null @@ -1,348 +0,0 @@ -/* $OpenBSD: if_sn.h,v 1.2 1996/05/26 18:35:26 briggs Exp $ */ - -/* - * Copyright (c) 1991 Algorithmics Ltd (http://www.algor.co.uk) - * You may use, copy, and modify this program so long as you retain the - * copyright line. - */ - -/* - * if_sonic.h -- National Semiconductor DP83932BVF (SONIC) - */ - -/* - * Accessing SONIC data structures and registers as 32 bit values - * makes code endianess independent. The SONIC is however always in - * bigendian mode so it is necessary to ensure that data structures shared - * between the CPU and the SONIC are always in bigendian order. - */ - -/* - * Receive Resource Descriptor - * This structure describes the buffers into which packets - * will be received. Note that more than one packet may be - * packed into a single buffer if constraints permit. - */ -#if SONICDW == 32 -struct RXrsrc { - u_long buff_ptrlo; /* buffer address LO */ - u_long buff_ptrhi; /* buffer address HI */ - u_long buff_wclo; /* buffer size (16bit words) LO */ - u_long buff_wchi; /* buffer size (16bit words) HI */ -}; -#endif - -/* - * Receive Descriptor - * This structure holds information about packets received. - */ -#if SONICDW == 32 -struct RXpkt { - u_long status; /* + receive status */ - u_long byte_count; /* + packet byte count (including FCS) */ - u_long pkt_ptrlo; /* + packet data LO (in RBA) */ - u_long pkt_ptrhi; /* + packet data HI (in RBA) */ - u_long seq_no; /* + RBA sequence numbers */ - u_long rlink; /* link to next receive descriptor */ - u_long in_use; /* + packet available to SONIC */ -}; -#endif -#define RBASEQ(x) (((x)>>8)&0xff) -#define PSNSEQ(x) ((x) & 0xff) - -/* - * Transmit Descriptor - * This structure holds information about packets to be transmitted. - */ -#define FRAGMAX 32 /* maximum number of fragments in a packet */ -#if SONICDW == 32 -struct TXpkt { - u_long status; /* + transmitted packet status */ - u_long config; /* transmission configuration */ - u_long pkt_size; /* entire packet size in bytes */ - u_long frag_count; /* # fragments in packet */ - union { - struct { - u_long _frag_ptrlo; /* pointer to packet fragment LO */ - u_long _frag_ptrhi; /* pointer to packet fragment HI */ - u_long _frag_size; /* fragment size */ - } u_frag; - struct { - u_long _tlink; /* link to next transmit descriptor */ - } u_link; - } u[FRAGMAX]; - u_long :32; /* This makes tcp->u[FRAGMAX].u_link.link valid! */ -}; -#endif - -#define frag_ptrlo u_frag._frag_ptrlo -#define frag_ptrhi u_frag._frag_ptrhi -#define frag_size u_frag._frag_size -#define tlink u_link._tlink - -#define EOL 0x0001 /* end of list marker for link fields */ - -#define MAXCAM 16 /* number of user entries in CAM */ -#if SONICDW == 32 -struct CDA { - struct { - u_long cam_ep; /* CAM Entry Pointer */ - u_long cam_ap0; /* CAM Address Port 0 xx-xx-xx-xx-YY-YY */ - u_long cam_ap1; /* CAM Address Port 1 xx-xx-YY-YY-xxxx */ - u_long cam_ap2; /* CAM Address Port 2 YY-YY-xx-xx-xx-xx */ - } desc[MAXCAM]; - u_long enable; /* mask enabling CAM entries */ -}; -#endif - -/* - * SONIC registers as seen by the processor - */ -struct sonic_reg { - volatile u_long s_cr; /* 00: Command */ - volatile u_long s_dcr; /* 01: Data Configuration */ - volatile u_long s_rcr; /* 02: Receive Control */ - volatile u_long s_tcr; /* 03: Transmit Control */ - volatile u_long s_imr; /* 04: Interrupt Mask */ - volatile u_long s_isr; /* 05: Interrupt Status */ - volatile u_long s_utda; /* 06: Upper Transmit Descriptor Address */ - volatile u_long s_ctda; /* 07: Current Transmit Descriptor Address */ - volatile u_long _s_tps; /* 08* Transmit Packet Size */ - volatile u_long _s_tfc; /* 09* Transmit Fragment Count */ - volatile u_long _s_tsa0; /* 0a* Transmit Start Address 0 */ - volatile u_long _s_tsa1; /* 0b* Transmit Start Address 1 */ - volatile u_long _s_tfs; /* 0c* Transmit Fragment Size */ - volatile u_long s_urda; /* 0d: Upper Receive Descriptor Address */ - volatile u_long s_crda; /* 0e: Current Receive Descriptor Address */ - volatile u_long _s_crba0; /* 0f* Current Receive Buffer Address 0 */ - volatile u_long _s_crba1; /* 10* Current Receive Buffer Address 1 */ - volatile u_long _s_rbwc0; /* 11* Remaining Buffer Word Count 0 */ - volatile u_long _s_rbwc1; /* 12* Remaining Buffer Word Count 1 */ - volatile u_long s_eobc; /* 13: End Of Buffer Word Count */ - volatile u_long s_urra; /* 14: Upper Receive Resource Address */ - volatile u_long s_rsa; /* 15: Resource Start Address */ - volatile u_long s_rea; /* 16: Resource End Address */ - volatile u_long s_rrp; /* 17: Resource Read Pointer */ - volatile u_long s_rwp; /* 18: Resource Write Pointer */ - volatile u_long _s_trba0; /* 19* Temporary Receive Buffer Address 0 */ - volatile u_long _s_trba1; /* 1a* Temporary Receive Buffer Address 1 */ - volatile u_long _s_tbwc0; /* 1b* Temporary Buffer Word Count 0 */ - volatile u_long _s_tbwc1; /* 1c* Temporary Buffer Word Count 1 */ - volatile u_long _s_addr0; /* 1d* Address Generator 0 */ - volatile u_long _s_addr1; /* 1e* Address Generator 1 */ - volatile u_long _s_llfa; /* 1f* Last Link Field Address */ - volatile u_long _s_ttda; /* 20* Temp Transmit Descriptor Address */ - volatile u_long s_cep; /* 21: CAM Entry Pointer */ - volatile u_long s_cap2; /* 22: CAM Address Port 2 */ - volatile u_long s_cap1; /* 23: CAM Address Port 1 */ - volatile u_long s_cap0; /* 24: CAM Address Port 0 */ - volatile u_long s_ce; /* 25: CAM Enable */ - volatile u_long s_cdp; /* 26: CAM Descriptor Pointer */ - volatile u_long s_cdc; /* 27: CAM Descriptor Count */ - volatile u_long s_sr; /* 28: Silicon Revision */ - volatile u_long s_wt0; /* 29: Watchdog Timer 0 */ - volatile u_long s_wt1; /* 2a: Watchdog Timer 1 */ - volatile u_long s_rsc; /* 2b: Receive Sequence Counter */ - volatile u_long s_crct; /* 2c: CRC Error Tally */ - volatile u_long s_faet; /* 2d: FAE Tally */ - volatile u_long s_mpt; /* 2e: Missed Packet Tally */ - volatile u_long _s_mdt; /* 2f* Maximum Deferral Timer */ - volatile u_long _s_rtc; /* 30* Receive Test Control */ - volatile u_long _s_ttc; /* 31* Transmit Test Control */ - volatile u_long _s_dtc; /* 32* DMA Test Control */ - volatile u_long _s_cc0; /* 33* CAM Comparison 0 */ - volatile u_long _s_cc1; /* 34* CAM Comparison 1 */ - volatile u_long _s_cc2; /* 35* CAM Comparison 2 */ - volatile u_long _s_cm; /* 36* CAM Match */ - volatile u_long :32; /* 37* reserved */ - volatile u_long :32; /* 38* reserved */ - volatile u_long _s_rbc; /* 39* Receiver Byte Count */ - volatile u_long :32; /* 3a* reserved */ - volatile u_long _s_tbo; /* 3b* Transmitter Backoff Counter */ - volatile u_long _s_trc; /* 3c* Transmitter Random Counter */ - volatile u_long _s_tbm; /* 3d* Transmitter Backoff Mask */ - volatile u_long :32; /* 3e* Reserved */ - volatile u_long s_dcr2; /* 3f Data Configuration 2 (AVF) */ -}; - -/* - * Register Interpretations - */ - -/* - * The command register is used for issuing commands to the SONIC. - * With the exception of CR_RST, the bit is reset when the operation - * completes. - */ -#define CR_LCAM 0x0200 /* load CAM with descriptor at s_cdp */ -#define CR_RRRA 0x0100 /* read next RRA descriptor at s_rrp */ -#define CR_RST 0x0080 /* software reset */ -#define CR_ST 0x0020 /* start timer */ -#define CR_STP 0x0010 /* stop timer */ -#define CR_RXEN 0x0008 /* receiver enable */ -#define CR_RXDIS 0x0004 /* receiver disable */ -#define CR_TXP 0x0002 /* transmit packets */ -#define CR_HTX 0x0001 /* halt transmission */ - -/* - * The data configuration register establishes the SONIC's bus cycle - * operation. This register can only be accessed when the SONIC is in - * reset mode (s_cr.CR_RST is set.) - */ -#define DCR_EXBUS 0x8000 /* extended bus mode (AVF) */ -#define DCR_LBR 0x2000 /* latched bus retry */ -#define DCR_PO1 0x1000 /* programmable output 1 */ -#define DCR_PO0 0x0800 /* programmable output 0 */ -#define DCR_STERM 0x0400 /* synchronous termination */ -#define DCR_USR1 0x0200 /* reflects USR1 input pin */ -#define DCR_USR0 0x0100 /* reflects USR0 input pin */ -#define DCR_WC1 0x0080 /* wait state control 1 */ -#define DCR_WC0 0x0040 /* wait state control 0 */ -#define DCR_DW 0x0020 /* data width select */ -#define DCR_BMS 0x0010 /* DMA block mode select */ -#define DCR_RFT1 0x0008 /* receive FIFO threshold control 1 */ -#define DCR_RFT0 0x0004 /* receive FIFO threshold control 0 */ -#define DCR_TFT1 0x0002 /* transmit FIFO threshold control 1 */ -#define DCR_TFT0 0x0001 /* transmit FIFO threshold control 0 */ - -/* data configuration register aliases */ -#define DCR_SYNC DCR_STERM /* synchronous (memory cycle 2 clocks) */ -#define DCR_ASYNC 0 /* asynchronous (memory cycle 3 clocks) */ - -#define DCR_WAIT0 0 /* 0 wait states added */ -#define DCR_WAIT1 DCR_WC0 /* 1 wait state added */ -#define DCR_WAIT2 DCR_WC1 /* 2 wait states added */ -#define DCR_WAIT3 (DCR_WC1|DCR_WC0) /* 3 wait states added */ - -#define DCR_DW16 0 /* use 16-bit DMA accesses */ -#define DCR_DW32 DCR_DW /* use 32-bit DMA accesses */ - -#define DCR_DMAEF 0 /* DMA until TX/RX FIFO has emptied/filled */ -#define DCR_DMABLOCK DCR_BMS /* DMA until RX/TX threshold crossed */ - -#define DCR_RFT4 0 /* receive threshold 4 bytes */ -#define DCR_RFT8 DCR_RFT0 /* receive threshold 8 bytes */ -#define DCR_RFT16 DCR_RFT1 /* receive threshold 16 bytes */ -#define DCR_RFT24 (DCR_RFT1|DCR_RFT0) /* receive threshold 24 bytes */ - -#define DCR_TFT8 0 /* transmit threshold 8 bytes */ -#define DCR_TFT16 DCR_TFT0 /* transmit threshold 16 bytes */ -#define DCR_TFT24 DCR_TFT1 /* transmit threshold 24 bytes */ -#define DCR_TFT28 (DCR_TFT1|DCR_TFT0) /* transmit threshold 28 bytes */ - -/* - * The receive control register is used to filter incoming packets and - * provides status information on packets received. - * The contents of the register are copied into the RXpkt.status field - * when a packet is received. RCR_MC - RCR_PRX are then reset. - */ -#define RCR_ERR 0x8000 /* accept packets with CRC errors */ -#define RCR_RNT 0x4000 /* accept runt (length < 64) packets */ -#define RCR_BRD 0x2000 /* accept broadcast packets */ -#define RCR_PRO 0x1000 /* accept all physical address packets */ -#define RCR_AMC 0x0800 /* accept all multicast packets */ -#define RCR_LB1 0x0400 /* loopback control 1 */ -#define RCR_LB0 0x0200 /* loopback control 0 */ -#define RCR_MC 0x0100 /* multicast packet received */ -#define RCR_BC 0x0080 /* broadcast packet received */ -#define RCR_LPKT 0x0040 /* last packet in RBA (RBWC < EOBC) */ -#define RCR_CRS 0x0020 /* carrier sense activity */ -#define RCR_COL 0x0010 /* collision activity */ -#define RCR_CRC 0x0008 /* CRC error */ -#define RCR_FAE 0x0004 /* frame alignment error */ -#define RCR_LBK 0x0002 /* loopback packet received */ -#define RCR_PRX 0x0001 /* packet received without errors */ - -/* receiver control register aliases */ -/* the loopback control bits provide the following options */ -#define RCR_LBNONE 0 /* no loopback - normal operation */ -#define RCR_LBMAC RCR_LB0 /* MAC loopback */ -#define RCR_LBENDEC RCR_LB1 /* ENDEC loopback */ -#define RCR_LBTRANS (RCR_LB1|RCR_LB0) /* transceiver loopback */ - -/* - * The transmit control register controls the SONIC's transmit operations. - * TCR_PINT - TCR_EXDIS are loaded from the TXpkt.config field at the - * start of transmission. TCR_EXD-TCR_PTX are cleared at the beginning - * of transmission and updated when the transmission is completed. - */ -#define TCR_PINT 0x8000 /* interrupt when transmission starts */ -#define TCR_POWC 0x4000 /* program out of window collision timer */ -#define TCR_CRCI 0x2000 /* transmit packet without 4 byte FCS */ -#define TCR_EXDIS 0x1000 /* disable excessive deferral timer */ -#define TCR_EXD 0x0400 /* excessive deferrals occurred (>3.2ms) */ -#define TCR_DEF 0x0200 /* deferred transmissions occurred */ -#define TCR_NCRS 0x0100 /* carrier not present during transmission */ -#define TCR_CRSL 0x0080 /* carrier lost during transmission */ -#define TCR_EXC 0x0040 /* excessive collisions (>16) detected */ -#define TCR_OWC 0x0020 /* out of window (bad) collision occurred */ -#define TCR_PMB 0x0008 /* packet monitored bad - the tansmitted - * packet had a bad source address or CRC */ -#define TCR_FU 0x0004 /* FIFO underrun (memory access failed) */ -#define TCR_BCM 0x0002 /* byte count mismatch (TXpkt.pkt_size - * != sum(TXpkt.frag_size) */ -#define TCR_PTX 0x0001 /* packet transmitted without errors */ - -/* transmit control register aliases */ -#define TCR_OWCSFD 0 /* start after start of frame delimiter */ -#define TCR_OWCPRE TCR_POWC /* start after first bit of preamble */ - - -/* - * The interrupt mask register masks the interrupts that - * are generated from the interrupt status register. - * All reserved bits should be written with 0. - */ -#define IMR_BREN 0x4000 /* bus retry occurred enable */ -#define IMR_HBLEN 0x2000 /* heartbeat lost enable */ -#define IMR_LCDEN 0x1000 /* load CAM done interrupt enable */ -#define IMR_PINTEN 0x0800 /* programmable interrupt enable */ -#define IMR_PRXEN 0x0400 /* packet received enable */ -#define IMR_PTXEN 0x0200 /* packet transmitted enable */ -#define IMR_TXEREN 0x0100 /* transmit error enable */ -#define IMR_TCEN 0x0080 /* timer complete enable */ -#define IMR_RDEEN 0x0040 /* receive descriptors exhausted enable */ -#define IMR_RBEEN 0x0020 /* receive buffers exhausted enable */ -#define IMR_RBAEEN 0x0010 /* receive buffer area exceeded enable */ -#define IMR_CRCEN 0x0008 /* CRC tally counter rollover enable */ -#define IMR_FAEEN 0x0004 /* FAE tally counter rollover enable */ -#define IMR_MPEN 0x0002 /* MP tally counter rollover enable */ -#define IMR_RFOEN 0x0001 /* receive FIFO overrun enable */ - - -/* - * The interrupt status register indicates the source of an interrupt when - * the INT pin goes active. The interrupt is acknowledged by writing - * the appropriate bit(s) in this register. - */ -#define ISR_ALL 0xffff /* all interrupts */ -#define ISR_BR 0x4000 /* bus retry occurred */ -#define ISR_HBL 0x2000 /* CD heartbeat lost */ -#define ISR_LCD 0x1000 /* load CAM command has completed */ -#define ISR_PINT 0x0800 /* programmed interrupt from TXpkt.config */ -#define ISR_PKTRX 0x0400 /* packet received */ -#define ISR_TXDN 0x0200 /* no remaining packets to be transmitted */ -#define ISR_TXER 0x0100 /* packet transmission caused error */ -#define ISR_TC 0x0080 /* timer complete */ -#define ISR_RDE 0x0040 /* receive descriptors exhausted */ -#define ISR_RBE 0x0020 /* receive buffers exhausted */ -#define ISR_RBAE 0x0010 /* receive buffer area exceeded */ -#define ISR_CRC 0x0008 /* CRC tally counter rollover */ -#define ISR_FAE 0x0004 /* FAE tally counter rollover */ -#define ISR_MP 0x0002 /* MP tally counter rollover */ -#define ISR_RFO 0x0001 /* receive FIFO overrun */ - -/* - * The second data configuration register allows additional user defined - * pins to be controlled. These bits are only available if s_dcr.DCR_EXBUS - * is set. - */ -#define DCR2_EXPO3 0x8000 /* EXUSR3 output */ -#define DCR2_EXPO2 0x4000 /* EXUSR2 output */ -#define DCR2_EXPO1 0x2000 /* EXUSR1 output */ -#define DCR2_EXPO0 0x1000 /* EXUSR0 output */ -#define DCR2_PHL 0x0010 /* extend HOLD signal by 1/2 clock */ -#define DCR2_LRDY 0x0008 /* set latched ready mode */ -#define DCR2_PCM 0x0004 /* packet compress on match */ -#define DCR2_PCNM 0x0002 /* packet compress on mismatch */ -#define DCR2_RJM 0x0001 /* reject on match */ diff --git a/sys/arch/mac68k/dev/if_sn_nubus.c b/sys/arch/mac68k/dev/if_sn_nubus.c new file mode 100644 index 00000000000..3303306940e --- /dev/null +++ b/sys/arch/mac68k/dev/if_sn_nubus.c @@ -0,0 +1,218 @@ +/* $NetBSD$ */ +/* $OpenBSD: if_sn_nubus.c,v 1.1 1997/03/12 13:20:32 briggs Exp $ */ + +/* + * Copyright (C) 1997 Allen Briggs + * All rights reserved. + * + * 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 Allen Briggs + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +#include <sys/param.h> +#include <sys/device.h> +#include <sys/errno.h> +#include <sys/ioctl.h> +#include <sys/socket.h> +#include <sys/syslog.h> +#include <sys/systm.h> + +#include <net/if.h> + +#ifdef INET +#include <netinet/in.h> +#include <netinet/if_ether.h> +#endif + +#include <machine/bus.h> +#include <machine/viareg.h> + +#include "nubus.h" +#include "if_aereg.h" /* For AE_VENDOR values */ +#include "if_snreg.h" +#include "if_snvar.h" + +static int sn_nubus_match __P((struct device *, void *, void *)); +static void sn_nubus_attach __P((struct device *, struct device *, void *)); +static int sn_nb_card_vendor __P((struct nubus_attach_args *)); + +void snsetup __P((struct sn_softc *)); + +struct cfattach sn_nubus_ca = { + sizeof(struct sn_softc), sn_nubus_match, sn_nubus_attach +}; + +static int +sn_nubus_match(parent, vcf, aux) + struct device *parent; + void *vcf; + void *aux; +{ + struct nubus_attach_args *na = (struct nubus_attach_args *) aux; + bus_space_handle_t bsh; + int rv; + + if (bus_space_map(na->na_tag, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, + 0, &bsh)) + return (0); + + rv = 0; + + if (na->category == NUBUS_CATEGORY_NETWORK && + na->type == NUBUS_TYPE_ETHERNET) { + switch (sn_nb_card_vendor(na)) { + default: + rv = UNSUPP; + break; + + /* This is it for now... */ + case AE_VENDOR_DAYNA: + rv = 1; + break; + } + } + + bus_space_unmap(na->na_tag, bsh, NBMEMSIZE); + + return rv; +} + +/* + * Install interface into kernel networking data structures + */ +static void +sn_nubus_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct sn_softc *sc = (void *)self; + struct nubus_attach_args *na = (struct nubus_attach_args *)aux; + int i, success; + bus_space_tag_t bst; + bus_space_handle_t bsh, tmp_bsh; + + bst = na->na_tag; + if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) { + printf(": failed to map memory space.\n"); + return; + } + + sc->sc_regt = bst; + sc->sc_is16 = 0; + + success = 0; + + switch (sn_nb_card_vendor(na)) { + case AE_VENDOR_DAYNA: + sc->s_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_USR1 | + DCR_DW32 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; + + if (bus_space_subregion(bst, bsh, 0x00180000, SN_REGSIZE, + &sc->sc_regh)) { + printf(": failed to map register space.\n"); + break; + } + + if (bus_space_subregion(bst, bsh, 0x00ffe004, ETHER_ADDR_LEN, + &tmp_bsh)) { + printf(": failed to map ROM space.\n"); + break; + } + + /* + * Copy out the ethernet address from the card's ROM + */ + for (i = 0; i < ETHER_ADDR_LEN; ++i) + sc->sc_arpcom.ac_enaddr[i] = + bus_space_read_1(bst, tmp_bsh, i); + + sc->slotno = na->slot; + success = 1; + break; + + default: + /* + * You can't actually get this default, the snmatch + * will fail for unknown hardware. If you're adding support + * for a new card, the following defaults are a + * good starting point. + */ + sc->s_dcr = DCR_LBR | DCR_SYNC | DCR_WAIT0 | + DCR_DW32 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; + return; + } + + if (!success) { + bus_space_unmap(bst, bsh, NBMEMSIZE); + return; + } + + snsetup(sc); +} + +static int +sn_nb_card_vendor(na) + struct nubus_attach_args *na; +{ + int vendor; + + switch (na->drsw) { + case NUBUS_DRSW_3COM: + case NUBUS_DRSW_APPLE: + case NUBUS_DRSW_TECHWORKS: + vendor = AE_VENDOR_APPLE; + break; + case NUBUS_DRSW_ASANTE: + vendor = AE_VENDOR_ASANTE; + break; + case NUBUS_DRSW_FARALLON: + vendor = AE_VENDOR_FARALLON; + break; + case NUBUS_DRSW_FOCUS: + vendor = AE_VENDOR_FOCUS; + break; + case NUBUS_DRSW_GATOR: + switch (na->drhw) { + default: + case NUBUS_DRHW_INTERLAN: + vendor = AE_VENDOR_INTERLAN; + break; + case NUBUS_DRHW_KINETICS: + if (strncmp( + nubus_get_card_name(na->fmt), "EtherPort", 9) == 0) + vendor = AE_VENDOR_KINETICS; + else + vendor = AE_VENDOR_DAYNA; + break; + } + break; + default: +#ifdef DIAGNOSTIC + printf("Unknown ethernet drsw: %x\n", na->drsw); +#endif + vendor = AE_VENDOR_UNKNOWN; + } + return vendor; +} diff --git a/sys/arch/mac68k/dev/if_sn_obio.c b/sys/arch/mac68k/dev/if_sn_obio.c new file mode 100644 index 00000000000..4ecef27780c --- /dev/null +++ b/sys/arch/mac68k/dev/if_sn_obio.c @@ -0,0 +1,157 @@ +/* $NetBSD$ */ +/* $OpenBSD: if_sn_obio.c,v 1.1 1997/03/12 13:20:32 briggs Exp $ */ + +/* + * Copyright (C) 1997 Allen Briggs + * All rights reserved. + * + * 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 Allen Briggs + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +#include <sys/param.h> +#include <sys/device.h> +#include <sys/errno.h> +#include <sys/ioctl.h> +#include <sys/socket.h> +#include <sys/syslog.h> +#include <sys/systm.h> + +#include <net/if.h> + +#ifdef INET +#include <netinet/in.h> +#include <netinet/if_ether.h> +#endif + +#include <machine/bus.h> +#include <machine/macinfo.h> +#include <machine/viareg.h> + +#include "obiovar.h" +#include "if_snreg.h" +#include "if_snvar.h" + +#define SONIC_REG_BASE 0x50F0A000 +#define SONIC_PROM_BASE 0x50F08000 + +static int sn_obio_match __P((struct device *, void *, void *)); +static void sn_obio_attach __P((struct device *, struct device *, void *)); +static void sn_obio_getaddr __P((struct sn_softc *)); +void snsetup __P((struct sn_softc *)); + +struct cfattach sn_obio_ca = { + sizeof(struct sn_softc), sn_obio_match, sn_obio_attach +}; + +static int +sn_obio_match(parent, vcf, aux) + struct device *parent; + void *vcf; + void *aux; +{ + if (mac68k_machine.sonic) + return 1; + + return 0; +} + +/* + * Install interface into kernel networking data structures + */ +static void +sn_obio_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct obio_attach_args *oa = (struct obio_attach_args *) aux; + struct sn_softc *sc = (void *)self; + + sc->s_dcr = DCR_LBR | DCR_SYNC | DCR_WAIT0 | + DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; + + switch (current_mac_model->class) { + case MACH_CLASSQ: + case MACH_CLASSQ2: + sc->s_dcr |= DCR_DW32; + sc->sc_is16 = 0; + break; + + case MACH_CLASSPB: + sc->s_dcr |= DCR_DW16; + sc->sc_is16 = 1; + return; + + default: + printf("unsupported machine type\n"); + return; + } + + sc->sc_regt = oa->oa_tag; + if (bus_space_map(sc->sc_regt, SONIC_REG_BASE, SN_REGSIZE, + 0, &sc->sc_regh)) { + panic("failed to map space for SONIC regs.\n"); + } + + sc->slotno = 9; + + sn_obio_getaddr(sc); + + snsetup(sc); +} + +static u_char bbr4[] = {0,8,4,12,2,10,6,14,1,9,5,13,3,11,7,15}; +#define bbr(v) ((bbr4[(v)&0xf] << 4) | bbr4[((v)>>4) & 0xf]) + +static void +sn_obio_getaddr(sc) + struct sn_softc *sc; +{ + bus_space_handle_t bsh; + int i, do_bbr; + u_char b; + + if (bus_space_map(sc->sc_regt, SONIC_PROM_BASE, NBPG, 0, &bsh)) { + panic("failed to map space to read SONIC address.\n"); + } + + /* + * Apparently Apple goofed here. The ethernet MAC address is + * stored in bit-byte-reversed format. It is rumored that this + * is only true for some systems. + */ + do_bbr = 0; + b = bus_space_read_1(sc->sc_regt, bsh, 0); + if (b == 0x10) + do_bbr = 1; + sc->sc_arpcom.ac_enaddr[0] = (do_bbr) ? bbr(b) : b; + + for (i = 1 ; i < ETHER_ADDR_LEN ; i++) { + b = bus_space_read_1(sc->sc_regt, bsh, i); + sc->sc_arpcom.ac_enaddr[i] = (do_bbr) ? bbr(b) : b; + } + + bus_space_unmap(sc->sc_regt, bsh, NBPG); +} diff --git a/sys/arch/mac68k/dev/if_snreg.h b/sys/arch/mac68k/dev/if_snreg.h new file mode 100644 index 00000000000..3f480d08dfe --- /dev/null +++ b/sys/arch/mac68k/dev/if_snreg.h @@ -0,0 +1,265 @@ +/* $OpenBSD: if_snreg.h,v 1.1 1997/03/12 13:20:33 briggs Exp $ */ + +/* + * Copyright (c) 1991 Algorithmics Ltd (http://www.algor.co.uk) + * You may use, copy, and modify this program so long as you retain the + * copyright line. + */ + +/* + * if_sonic.h -- National Semiconductor DP83932BVF (SONIC) + */ + +/* + * SONIC registers as seen by the processor + */ +struct sonic_reg { + volatile u_long s_cr; /* 00: Command */ + volatile u_long s_dcr; /* 01: Data Configuration */ + volatile u_long s_rcr; /* 02: Receive Control */ + volatile u_long s_tcr; /* 03: Transmit Control */ + volatile u_long s_imr; /* 04: Interrupt Mask */ + volatile u_long s_isr; /* 05: Interrupt Status */ + volatile u_long s_utda; /* 06: Upper Transmit Descriptor Address */ + volatile u_long s_ctda; /* 07: Current Transmit Descriptor Address */ + volatile u_long _s_tps; /* 08* Transmit Packet Size */ + volatile u_long _s_tfc; /* 09* Transmit Fragment Count */ + volatile u_long _s_tsa0; /* 0a* Transmit Start Address 0 */ + volatile u_long _s_tsa1; /* 0b* Transmit Start Address 1 */ + volatile u_long _s_tfs; /* 0c* Transmit Fragment Size */ + volatile u_long s_urda; /* 0d: Upper Receive Descriptor Address */ + volatile u_long s_crda; /* 0e: Current Receive Descriptor Address */ + volatile u_long _s_crba0; /* 0f* Current Receive Buffer Address 0 */ + volatile u_long _s_crba1; /* 10* Current Receive Buffer Address 1 */ + volatile u_long _s_rbwc0; /* 11* Remaining Buffer Word Count 0 */ + volatile u_long _s_rbwc1; /* 12* Remaining Buffer Word Count 1 */ + volatile u_long s_eobc; /* 13: End Of Buffer Word Count */ + volatile u_long s_urra; /* 14: Upper Receive Resource Address */ + volatile u_long s_rsa; /* 15: Resource Start Address */ + volatile u_long s_rea; /* 16: Resource End Address */ + volatile u_long s_rrp; /* 17: Resource Read Pointer */ + volatile u_long s_rwp; /* 18: Resource Write Pointer */ + volatile u_long _s_trba0; /* 19* Temporary Receive Buffer Address 0 */ + volatile u_long _s_trba1; /* 1a* Temporary Receive Buffer Address 1 */ + volatile u_long _s_tbwc0; /* 1b* Temporary Buffer Word Count 0 */ + volatile u_long _s_tbwc1; /* 1c* Temporary Buffer Word Count 1 */ + volatile u_long _s_addr0; /* 1d* Address Generator 0 */ + volatile u_long _s_addr1; /* 1e* Address Generator 1 */ + volatile u_long _s_llfa; /* 1f* Last Link Field Address */ + volatile u_long _s_ttda; /* 20* Temp Transmit Descriptor Address */ + volatile u_long s_cep; /* 21: CAM Entry Pointer */ + volatile u_long s_cap2; /* 22: CAM Address Port 2 */ + volatile u_long s_cap1; /* 23: CAM Address Port 1 */ + volatile u_long s_cap0; /* 24: CAM Address Port 0 */ + volatile u_long s_ce; /* 25: CAM Enable */ + volatile u_long s_cdp; /* 26: CAM Descriptor Pointer */ + volatile u_long s_cdc; /* 27: CAM Descriptor Count */ + volatile u_long s_sr; /* 28: Silicon Revision */ + volatile u_long s_wt0; /* 29: Watchdog Timer 0 */ + volatile u_long s_wt1; /* 2a: Watchdog Timer 1 */ + volatile u_long s_rsc; /* 2b: Receive Sequence Counter */ + volatile u_long s_crct; /* 2c: CRC Error Tally */ + volatile u_long s_faet; /* 2d: FAE Tally */ + volatile u_long s_mpt; /* 2e: Missed Packet Tally */ + volatile u_long _s_mdt; /* 2f* Maximum Deferral Timer */ + volatile u_long _s_rtc; /* 30* Receive Test Control */ + volatile u_long _s_ttc; /* 31* Transmit Test Control */ + volatile u_long _s_dtc; /* 32* DMA Test Control */ + volatile u_long _s_cc0; /* 33* CAM Comparison 0 */ + volatile u_long _s_cc1; /* 34* CAM Comparison 1 */ + volatile u_long _s_cc2; /* 35* CAM Comparison 2 */ + volatile u_long _s_cm; /* 36* CAM Match */ + volatile u_long :32; /* 37* reserved */ + volatile u_long :32; /* 38* reserved */ + volatile u_long _s_rbc; /* 39* Receiver Byte Count */ + volatile u_long :32; /* 3a* reserved */ + volatile u_long _s_tbo; /* 3b* Transmitter Backoff Counter */ + volatile u_long _s_trc; /* 3c* Transmitter Random Counter */ + volatile u_long _s_tbm; /* 3d* Transmitter Backoff Mask */ + volatile u_long :32; /* 3e* Reserved */ + volatile u_long s_dcr2; /* 3f Data Configuration 2 (AVF) */ +}; + +#define SN_REGSIZE (0x40 * 4) + +/* + * Register Interpretations + */ + +/* + * The command register is used for issuing commands to the SONIC. + * With the exception of CR_RST, the bit is reset when the operation + * completes. + */ +#define CR_LCAM 0x0200 /* load CAM with descriptor at s_cdp */ +#define CR_RRRA 0x0100 /* read next RRA descriptor at s_rrp */ +#define CR_RST 0x0080 /* software reset */ +#define CR_ST 0x0020 /* start timer */ +#define CR_STP 0x0010 /* stop timer */ +#define CR_RXEN 0x0008 /* receiver enable */ +#define CR_RXDIS 0x0004 /* receiver disable */ +#define CR_TXP 0x0002 /* transmit packets */ +#define CR_HTX 0x0001 /* halt transmission */ + +/* + * The data configuration register establishes the SONIC's bus cycle + * operation. This register can only be accessed when the SONIC is in + * reset mode (s_cr.CR_RST is set.) + */ +#define DCR_EXBUS 0x8000 /* extended bus mode (AVF) */ +#define DCR_LBR 0x2000 /* latched bus retry */ +#define DCR_PO1 0x1000 /* programmable output 1 */ +#define DCR_PO0 0x0800 /* programmable output 0 */ +#define DCR_STERM 0x0400 /* synchronous termination */ +#define DCR_USR1 0x0200 /* reflects USR1 input pin */ +#define DCR_USR0 0x0100 /* reflects USR0 input pin */ +#define DCR_WC1 0x0080 /* wait state control 1 */ +#define DCR_WC0 0x0040 /* wait state control 0 */ +#define DCR_DW 0x0020 /* data width select */ +#define DCR_BMS 0x0010 /* DMA block mode select */ +#define DCR_RFT1 0x0008 /* receive FIFO threshold control 1 */ +#define DCR_RFT0 0x0004 /* receive FIFO threshold control 0 */ +#define DCR_TFT1 0x0002 /* transmit FIFO threshold control 1 */ +#define DCR_TFT0 0x0001 /* transmit FIFO threshold control 0 */ + +/* data configuration register aliases */ +#define DCR_SYNC DCR_STERM /* synchronous (memory cycle 2 clocks) */ +#define DCR_ASYNC 0 /* asynchronous (memory cycle 3 clocks) */ + +#define DCR_WAIT0 0 /* 0 wait states added */ +#define DCR_WAIT1 DCR_WC0 /* 1 wait state added */ +#define DCR_WAIT2 DCR_WC1 /* 2 wait states added */ +#define DCR_WAIT3 (DCR_WC1|DCR_WC0) /* 3 wait states added */ + +#define DCR_DW16 0 /* use 16-bit DMA accesses */ +#define DCR_DW32 DCR_DW /* use 32-bit DMA accesses */ + +#define DCR_DMAEF 0 /* DMA until TX/RX FIFO has emptied/filled */ +#define DCR_DMABLOCK DCR_BMS /* DMA until RX/TX threshold crossed */ + +#define DCR_RFT4 0 /* receive threshold 4 bytes */ +#define DCR_RFT8 DCR_RFT0 /* receive threshold 8 bytes */ +#define DCR_RFT16 DCR_RFT1 /* receive threshold 16 bytes */ +#define DCR_RFT24 (DCR_RFT1|DCR_RFT0) /* receive threshold 24 bytes */ + +#define DCR_TFT8 0 /* transmit threshold 8 bytes */ +#define DCR_TFT16 DCR_TFT0 /* transmit threshold 16 bytes */ +#define DCR_TFT24 DCR_TFT1 /* transmit threshold 24 bytes */ +#define DCR_TFT28 (DCR_TFT1|DCR_TFT0) /* transmit threshold 28 bytes */ + +/* + * The receive control register is used to filter incoming packets and + * provides status information on packets received. + * The contents of the register are copied into the RXpkt.status field + * when a packet is received. RCR_MC - RCR_PRX are then reset. + */ +#define RCR_ERR 0x8000 /* accept packets with CRC errors */ +#define RCR_RNT 0x4000 /* accept runt (length < 64) packets */ +#define RCR_BRD 0x2000 /* accept broadcast packets */ +#define RCR_PRO 0x1000 /* accept all physical address packets */ +#define RCR_AMC 0x0800 /* accept all multicast packets */ +#define RCR_LB1 0x0400 /* loopback control 1 */ +#define RCR_LB0 0x0200 /* loopback control 0 */ +#define RCR_MC 0x0100 /* multicast packet received */ +#define RCR_BC 0x0080 /* broadcast packet received */ +#define RCR_LPKT 0x0040 /* last packet in RBA (RBWC < EOBC) */ +#define RCR_CRS 0x0020 /* carrier sense activity */ +#define RCR_COL 0x0010 /* collision activity */ +#define RCR_CRC 0x0008 /* CRC error */ +#define RCR_FAE 0x0004 /* frame alignment error */ +#define RCR_LBK 0x0002 /* loopback packet received */ +#define RCR_PRX 0x0001 /* packet received without errors */ + +/* receiver control register aliases */ +/* the loopback control bits provide the following options */ +#define RCR_LBNONE 0 /* no loopback - normal operation */ +#define RCR_LBMAC RCR_LB0 /* MAC loopback */ +#define RCR_LBENDEC RCR_LB1 /* ENDEC loopback */ +#define RCR_LBTRANS (RCR_LB1|RCR_LB0) /* transceiver loopback */ + +/* + * The transmit control register controls the SONIC's transmit operations. + * TCR_PINT - TCR_EXDIS are loaded from the TXpkt.config field at the + * start of transmission. TCR_EXD-TCR_PTX are cleared at the beginning + * of transmission and updated when the transmission is completed. + */ +#define TCR_PINT 0x8000 /* interrupt when transmission starts */ +#define TCR_POWC 0x4000 /* program out of window collision timer */ +#define TCR_CRCI 0x2000 /* transmit packet without 4 byte FCS */ +#define TCR_EXDIS 0x1000 /* disable excessive deferral timer */ +#define TCR_EXD 0x0400 /* excessive deferrals occurred (>3.2ms) */ +#define TCR_DEF 0x0200 /* deferred transmissions occurred */ +#define TCR_NCRS 0x0100 /* carrier not present during transmission */ +#define TCR_CRSL 0x0080 /* carrier lost during transmission */ +#define TCR_EXC 0x0040 /* excessive collisions (>16) detected */ +#define TCR_OWC 0x0020 /* out of window (bad) collision occurred */ +#define TCR_PMB 0x0008 /* packet monitored bad - the tansmitted + * packet had a bad source address or CRC */ +#define TCR_FU 0x0004 /* FIFO underrun (memory access failed) */ +#define TCR_BCM 0x0002 /* byte count mismatch (TXpkt.pkt_size + * != sum(TXpkt.frag_size) */ +#define TCR_PTX 0x0001 /* packet transmitted without errors */ + +/* transmit control register aliases */ +#define TCR_OWCSFD 0 /* start after start of frame delimiter */ +#define TCR_OWCPRE TCR_POWC /* start after first bit of preamble */ + + +/* + * The interrupt mask register masks the interrupts that + * are generated from the interrupt status register. + * All reserved bits should be written with 0. + */ +#define IMR_BREN 0x4000 /* bus retry occurred enable */ +#define IMR_HBLEN 0x2000 /* heartbeat lost enable */ +#define IMR_LCDEN 0x1000 /* load CAM done interrupt enable */ +#define IMR_PINTEN 0x0800 /* programmable interrupt enable */ +#define IMR_PRXEN 0x0400 /* packet received enable */ +#define IMR_PTXEN 0x0200 /* packet transmitted enable */ +#define IMR_TXEREN 0x0100 /* transmit error enable */ +#define IMR_TCEN 0x0080 /* timer complete enable */ +#define IMR_RDEEN 0x0040 /* receive descriptors exhausted enable */ +#define IMR_RBEEN 0x0020 /* receive buffers exhausted enable */ +#define IMR_RBAEEN 0x0010 /* receive buffer area exceeded enable */ +#define IMR_CRCEN 0x0008 /* CRC tally counter rollover enable */ +#define IMR_FAEEN 0x0004 /* FAE tally counter rollover enable */ +#define IMR_MPEN 0x0002 /* MP tally counter rollover enable */ +#define IMR_RFOEN 0x0001 /* receive FIFO overrun enable */ + + +/* + * The interrupt status register indicates the source of an interrupt when + * the INT pin goes active. The interrupt is acknowledged by writing + * the appropriate bit(s) in this register. + */ +#define ISR_ALL 0x7fff /* all interrupts */ +#define ISR_BR 0x4000 /* bus retry occurred */ +#define ISR_HBL 0x2000 /* CD heartbeat lost */ +#define ISR_LCD 0x1000 /* load CAM command has completed */ +#define ISR_PINT 0x0800 /* programmed interrupt from TXpkt.config */ +#define ISR_PKTRX 0x0400 /* packet received */ +#define ISR_TXDN 0x0200 /* no remaining packets to be transmitted */ +#define ISR_TXER 0x0100 /* packet transmission caused error */ +#define ISR_TC 0x0080 /* timer complete */ +#define ISR_RDE 0x0040 /* receive descriptors exhausted */ +#define ISR_RBE 0x0020 /* receive buffers exhausted */ +#define ISR_RBAE 0x0010 /* receive buffer area exceeded */ +#define ISR_CRC 0x0008 /* CRC tally counter rollover */ +#define ISR_FAE 0x0004 /* FAE tally counter rollover */ +#define ISR_MP 0x0002 /* MP tally counter rollover */ +#define ISR_RFO 0x0001 /* receive FIFO overrun */ + +/* + * The second data configuration register allows additional user defined + * pins to be controlled. These bits are only available if s_dcr.DCR_EXBUS + * is set. + */ +#define DCR2_EXPO3 0x8000 /* EXUSR3 output */ +#define DCR2_EXPO2 0x4000 /* EXUSR2 output */ +#define DCR2_EXPO1 0x2000 /* EXUSR1 output */ +#define DCR2_EXPO0 0x1000 /* EXUSR0 output */ +#define DCR2_PHL 0x0010 /* extend HOLD signal by 1/2 clock */ +#define DCR2_LRDY 0x0008 /* set latched ready mode */ +#define DCR2_PCM 0x0004 /* packet compress on match */ +#define DCR2_PCNM 0x0002 /* packet compress on mismatch */ +#define DCR2_RJM 0x0001 /* reject on match */ diff --git a/sys/arch/mac68k/dev/if_snvar.h b/sys/arch/mac68k/dev/if_snvar.h new file mode 100644 index 00000000000..4fffbb71bbb --- /dev/null +++ b/sys/arch/mac68k/dev/if_snvar.h @@ -0,0 +1,239 @@ +/* $OpenBSD: if_snvar.h,v 1.1 1997/03/12 13:20:33 briggs Exp $ */ + +/* + * Copyright (c) 1991 Algorithmics Ltd (http://www.algor.co.uk) + * You may use, copy, and modify this program so long as you retain the + * copyright line. + */ + +/* + * if_sonic.h -- National Semiconductor DP83932BVF (SONIC) + */ + +/* + * buffer sizes in 32 bit mode + * 1 TXpkt is 4 hdr words + (3 * FRAGMAX) + 1 link word + * FRAGMAX == 16 => 54 words == 216 bytes + * + * 1 RxPkt is 7 words == 28 bytes + * 1 Rda is 4 words == 16 bytes + */ + +#define NRRA 32 /* # receive resource descriptors */ +#define RRAMASK 0x1f /* the reason why it must be power of two */ + +#define NRBA 16 /* # receive buffers < NRRA */ +#define RBAMASK 0x0f +#define NRDA NRBA /* # receive descriptors */ +#define NTDA 4 /* # transmit descriptors */ + +#define CDASIZE sizeof(struct CDA) +#define RRASIZE (NRRA*sizeof(struct RXrsrc)) +#define RDASIZE (NRDA*sizeof(struct RXpkt)) +#define TDASIZE (NTDA*sizeof(struct TXpkt)) + +#define FCSSIZE 4 /* size of FCS appended to packets */ + +/* + * maximum receive packet size plus 2 byte pad to make each + * one aligned. 4 byte slop (required for eobc) + */ +#define RBASIZE(sc) \ + (sizeof(struct ether_header) + ETHERMTU + FCSSIZE + \ + ((sc)->sc_is16 ? 2 : 6)) + +/* + * transmit buffer area + */ +#define NTXB 10 /* Number of xmit buffers */ +#define TXBSIZE 1536 /* 6*2^8 -- the same size as the 8390 TXBUF */ + +/* + * Statistics collected over time + */ +struct sn_stats { + int ls_opacks; /* packets transmitted */ + int ls_ipacks; /* packets received */ + int ls_tdr; /* contents of tdr after collision */ + int ls_tdef; /* packets where had to wait */ + int ls_tone; /* packets with one retry */ + int ls_tmore; /* packets with more than one retry */ + int ls_tbuff; /* transmit buff errors */ + int ls_tuflo; /* " uflo " */ + int ls_tlcol; + int ls_tlcar; + int ls_trtry; + int ls_rbuff; /* receive buff errors */ + int ls_rfram; /* framing */ + int ls_roflo; /* overflow */ + int ls_rcrc; + int ls_rrng; /* rx ring sequence error */ + int ls_babl; /* chip babl error */ + int ls_cerr; /* collision error */ + int ls_miss; /* missed packet */ + int ls_merr; /* memory error */ + int ls_copies; /* copies due to out of range mbufs */ + int ls_maxmbufs; /* max mbufs on transmit */ + int ls_maxslots; /* max ring slots on transmit */ +}; + +/* + * The sn_softc for Mac68k if_sn. + */ +typedef struct sn_softc { + struct device sc_dev; + struct arpcom sc_arpcom; +#define sc_if sc_arpcom.ac_if /* network visible interface */ +#define sc_enaddr sc_arpcom.ac_enaddr /* hardware ethernet address */ + + bus_space_tag_t sc_regt; + bus_space_handle_t sc_regh; + + int sc_is16; + + unsigned int s_dcr; /* DCR for this instance */ + int slotno; + + struct sonic_reg *sc_csr; /* hardware pointer */ + + int sc_rxmark; /* pos. in rx ring for reading bufs */ + + int sc_rramark; /* index into rra of wp */ + + int sc_txhead; /* index of first TDA passed to chip */ + int sc_missed; /* missed packet counter */ + + int txb_cnt; /* total number of xmit buffers */ + int txb_inuse; /* number of active xmit buffers */ + int txb_new; /* index of next open slot. */ + + void *sc_lrxp; /* last RDA available to chip */ + + struct sn_stats sc_sum; + short sc_iflags; + + void *p_rra; /* struct RXrsrc: receiver resource descriptors */ + int v_rra; /* DMA address of rra */ + void *p_rda; /* struct RXpkt: receiver desriptors */ + int v_rda; + void *p_tda; /* struct TXpkt: transmitter descriptors */ + int v_tda; + void *p_cda; /* struct CDA: CAM descriptors */ + int v_cda; /* DMA address of CDA */ + + void (*rxint) __P((struct sn_softc *)); + void (*txint) __P((struct sn_softc *)); + + caddr_t rbuf[NRBA]; + caddr_t tbuf[NTXB]; + int vtbuf[NTXB]; + unsigned char space[(1 + 1 + 8 + 5) * NBPG]; +} sn_softc_t; + + +/* + * Accessing SONIC data structures and registers as 32 bit values + * makes code endianess independent. The SONIC is however always in + * bigendian mode so it is necessary to ensure that data structures shared + * between the CPU and the SONIC are always in bigendian order. + */ + +/* + * Receive Resource Descriptor + * This structure describes the buffers into which packets + * will be received. Note that more than one packet may be + * packed into a single buffer if constraints permit. + */ +struct RXrsrc { + u_long buff_ptrlo; /* buffer address LO */ + u_long buff_ptrhi; /* buffer address HI */ + u_long buff_wclo; /* buffer size (16bit words) LO */ + u_long buff_wchi; /* buffer size (16bit words) HI */ +}; +struct _short_RXrsrc { + u_short buff_ptrlo; /* buffer address LO */ + u_short buff_ptrhi; /* buffer address HI */ + u_short buff_wclo; /* buffer size (16bit words) LO */ + u_short buff_wchi; /* buffer size (16bit words) HI */ +}; + +/* + * Receive Descriptor + * This structure holds information about packets received. + */ +struct RXpkt { + u_long status; /* + receive status */ + u_long byte_count; /* + packet byte count (including FCS) */ + u_long pkt_ptrlo; /* + packet data LO (in RBA) */ + u_long pkt_ptrhi; /* + packet data HI (in RBA) */ + u_long seq_no; /* + RBA sequence numbers */ + u_long rlink; /* link to next receive descriptor */ + u_long in_use; /* + packet available to SONIC */ +}; +struct _short_RXpkt { + u_short status; /* + receive status */ + u_short byte_count; /* + packet byte count (including FCS) */ + u_short pkt_ptrlo; /* + packet data LO (in RBA) */ + u_short pkt_ptrhi; /* + packet data HI (in RBA) */ + u_short seq_no; /* + RBA sequence numbers */ + u_short rlink; /* link to next receive descriptor */ + u_short in_use; /* + packet available to SONIC */ +}; +#define RBASEQ(x) (((x)>>8)&0xff) +#define PSNSEQ(x) ((x) & 0xff) + +/* + * Transmit Descriptor + * This structure holds information about packets to be transmitted. + */ +#define FRAGMAX 16 /* maximum number of fragments in a packet */ +struct TXpkt { + u_long status; /* + transmitted packet status */ + u_long config; /* transmission configuration */ + u_long pkt_size; /* entire packet size in bytes */ + u_long frag_count; /* # fragments in packet */ + struct { + u_long frag_ptrlo; /* pointer to packet fragment LO */ + u_long frag_ptrhi; /* pointer to packet fragment HI */ + u_long frag_size; /* fragment size */ + } u[FRAGMAX]; + u_long :32; /* This makes tcp->u[FRAGMAX].u_link.link valid! */ +}; +struct _short_TXpkt { + u_short status; /* + transmitted packet status */ + u_short config; /* transmission configuration */ + u_short pkt_size; /* entire packet size in bytes */ + u_short frag_count; /* # fragments in packet */ + struct { + u_short frag_ptrlo; /* pointer to packet fragment LO */ + u_short frag_ptrhi; /* pointer to packet fragment HI */ + u_short frag_size; /* fragment size */ + } u[FRAGMAX]; + u_short :16; /* This makes tcp->u[FRAGMAX].u_link.link valid! */ +}; + +#define tlink frag_ptrlo + +#define EOL 0x0001 /* end of list marker for link fields */ + +#define MAXCAM 16 /* number of user entries in CAM */ +struct CDA { + struct { + u_long cam_ep; /* CAM Entry Pointer */ + u_long cam_ap0; /* CAM Address Port 0 xx-xx-xx-xx-YY-YY */ + u_long cam_ap1; /* CAM Address Port 1 xx-xx-YY-YY-xxxx */ + u_long cam_ap2; /* CAM Address Port 2 YY-YY-xx-xx-xx-xx */ + } desc[MAXCAM]; + u_long enable; /* mask enabling CAM entries */ +}; +struct _short_CDA { + struct { + u_short cam_ep; /* CAM Entry Pointer */ + u_short cam_ap0; /* CAM Address Port 0 xx-xx-xx-xx-YY-YY */ + u_short cam_ap1; /* CAM Address Port 1 xx-xx-YY-YY-xxxx */ + u_short cam_ap2; /* CAM Address Port 2 YY-YY-xx-xx-xx-xx */ + } desc[MAXCAM]; + u_short enable; /* mask enabling CAM entries */ +}; + +void snsetup __P((struct sn_softc *sc)); |