diff options
| -rw-r--r-- | sys/conf/files.i386 | 1 | ||||
| -rw-r--r-- | sys/i386/conf/NOTES | 5 | ||||
| -rw-r--r-- | sys/i386/isa/if_el.c | 808 | ||||
| -rw-r--r-- | sys/i386/isa/if_elreg.h | 78 | ||||
| -rw-r--r-- | sys/modules/Makefile | 3 | ||||
| -rw-r--r-- | sys/modules/el/Makefile | 9 |
6 files changed, 0 insertions, 904 deletions
diff --git a/sys/conf/files.i386 b/sys/conf/files.i386 index b2dec20..c66937f 100644 --- a/sys/conf/files.i386 +++ b/sys/conf/files.i386 @@ -321,7 +321,6 @@ i386/isa/clock.c standard i386/isa/elcr.c standard i386/isa/elink.c optional ep i386/isa/elink.c optional ie -i386/isa/if_el.c optional el i386/isa/isa.c optional isa i386/isa/isa_dma.c optional isa i386/isa/nmi.c standard diff --git a/sys/i386/conf/NOTES b/sys/i386/conf/NOTES index 028a911..e6781ac 100644 --- a/sys/i386/conf/NOTES +++ b/sys/i386/conf/NOTES @@ -491,7 +491,6 @@ hint.mse.0.irq="5" # ed: Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503 # HP PC Lan+, various PC Card devices (refer to etc/defaults/pccard.conf) # (requires miibus) -# el: 3Com 3C501 (slow!) # ie: AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210; # Intel EtherExpress # lnc: Lance/PCnet cards (Isolan, Novell NE2100, NE32-VL, AMD Am7990 and @@ -535,10 +534,6 @@ hint.ed.0.at="isa" hint.ed.0.port="0x280" hint.ed.0.irq="5" hint.ed.0.maddr="0xd8000" -device el -hint.el.0.at="isa" -hint.el.0.port="0x300" -hint.el.0.irq="9" device ie # Hints only required for Starlan hint.ie.2.at="isa" hint.ie.2.port="0x300" diff --git a/sys/i386/isa/if_el.c b/sys/i386/isa/if_el.c deleted file mode 100644 index 0612292..0000000 --- a/sys/i386/isa/if_el.c +++ /dev/null @@ -1,808 +0,0 @@ -/*- - * Copyright (c) 1994, Matthew E. Kimmel. Permission is hereby granted - * to use, copy, modify and distribute this software provided that both - * the copyright notice and this permission notice appear in all copies - * of the software, derivative works or modified versions, and any - * portions thereof. - * - * Questions, comments, bug reports and fixes to kimmel@cs.umass.edu. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -/* Except of course for the portions of code lifted from other FreeBSD - * drivers (mainly elread, elget and el_ioctl) - */ -/* 3COM Etherlink 3C501 device driver for FreeBSD */ -/* Yeah, I know these cards suck, but you can also get them for free - * really easily... - */ -/* Bugs/possible improvements: - * - Does not currently support DMA - * - Does not currently support multicasts - */ -#include "opt_inet.h" -#include "opt_ipx.h" - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <sys/sockio.h> -#include <sys/mbuf.h> -#include <sys/socket.h> -#include <sys/syslog.h> -#include <sys/bus.h> - -#include <net/ethernet.h> -#include <net/if.h> -#include <net/if_types.h> - -#include <netinet/in.h> -#include <netinet/if_ether.h> - -#include <net/bpf.h> - -#include <machine/bus.h> -#include <machine/resource.h> -#include <sys/bus.h> -#include <sys/rman.h> - -#include <isa/isavar.h> - -#include <i386/isa/if_elreg.h> - -/* For debugging convenience */ -#ifdef EL_DEBUG -#define dprintf(x) printf x -#else -#define dprintf(x) -#endif - -/* el_softc: per line info and status */ -struct el_softc { - struct ifnet *el_ifp; - u_char el_enaddr[6]; - bus_space_handle_t el_bhandle; - bus_space_tag_t el_btag; - void *el_intrhand; - struct resource *el_irq; - struct resource *el_res; - struct mtx el_mtx; - char el_pktbuf[EL_BUFSIZ]; /* Frame buffer */ -}; - -/* Prototypes */ -static int el_attach(device_t); -static int el_detach(device_t); -static void el_init(void *); -static void el_init_locked(struct el_softc *); -static int el_ioctl(struct ifnet *,u_long,caddr_t); -static int el_probe(device_t); -static void el_start(struct ifnet *); -static void el_start_locked(struct ifnet *); -static void el_reset(struct el_softc *); -static void el_watchdog(struct ifnet *); -static int el_shutdown(device_t); - -static void el_stop(struct el_softc *); -static int el_xmit(struct el_softc *,int); -static void elintr(void *); -static __inline void elread(struct el_softc *,caddr_t,int); -static struct mbuf *elget(caddr_t,int,struct ifnet *); -static __inline void el_hardreset(struct el_softc *); - -static device_method_t el_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, el_probe), - DEVMETHOD(device_attach, el_attach), - DEVMETHOD(device_detach, el_detach), - DEVMETHOD(device_shutdown, el_shutdown), - { 0, 0 } -}; - -static driver_t el_driver = { - "el", - el_methods, - sizeof(struct el_softc) -}; - -static devclass_t el_devclass; - -DRIVER_MODULE(if_el, isa, el_driver, el_devclass, 0, 0); - -#define CSR_WRITE_1(sc, reg, val) \ - bus_space_write_1(sc->el_btag, sc->el_bhandle, reg, val) -#define CSR_READ_1(sc, reg) \ - bus_space_read_1(sc->el_btag, sc->el_bhandle, reg) - -#define EL_LOCK(_sc) mtx_lock(&(_sc)->el_mtx) -#define EL_UNLOCK(_sc) mtx_unlock(&(_sc)->el_mtx) -#define EL_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->el_mtx, MA_OWNED) - -/* Probe routine. See if the card is there and at the right place. */ -static int -el_probe(device_t dev) -{ - struct el_softc *sc; - u_short base; /* Just for convenience */ - int i, rid; - - /* Grab some info for our structure */ - sc = device_get_softc(dev); - - if (isa_get_logicalid(dev)) /* skip PnP probes */ - return (ENXIO); - - if ((base = bus_get_resource_start(dev, SYS_RES_IOPORT, 0)) == 0) - return (ENXIO); - - /* First check the base */ - if((base < 0x280) || (base > 0x3f0)) { - device_printf(dev, - "ioaddr must be between 0x280 and 0x3f0\n"); - return(ENXIO); - } - - /* Temporarily map the resources. */ - rid = 0; - sc->el_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, - 0, ~0, EL_IOSIZ, RF_ACTIVE); - - if (sc->el_res == NULL) - return(ENXIO); - - sc->el_btag = rman_get_bustag(sc->el_res); - sc->el_bhandle = rman_get_bushandle(sc->el_res); - - /* Now attempt to grab the station address from the PROM - * and see if it contains the 3com vendor code. - */ - dprintf(("Probing 3c501 at 0x%x...\n",base)); - - /* Reset the board */ - dprintf(("Resetting board...\n")); - CSR_WRITE_1(sc,EL_AC,EL_AC_RESET); - DELAY(5); - CSR_WRITE_1(sc,EL_AC,0); - dprintf(("Reading station address...\n")); - /* Now read the address */ - for(i=0;i<ETHER_ADDR_LEN;i++) { - CSR_WRITE_1(sc,EL_GPBL,i); - sc->el_enaddr[i] = CSR_READ_1(sc,EL_EAW); - } - - /* Now release resources */ - bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->el_res); - - dprintf(("Address is %6D\n",sc->el_enaddr, ":")); - - /* If the vendor code is ok, return a 1. We'll assume that - * whoever configured this system is right about the IRQ. - */ - if((sc->el_enaddr[0] != 0x02) || (sc->el_enaddr[1] != 0x60) - || (sc->el_enaddr[2] != 0x8c)) { - dprintf(("Bad vendor code.\n")); - return(ENXIO); - } else { - dprintf(("Vendor code ok.\n")); - } - - device_set_desc(dev, "3Com 3c501 Ethernet"); - - return(0); -} - -/* Do a hardware reset of the 3c501. Do not call until after el_probe()! */ -static __inline void -el_hardreset(sc) - struct el_softc *sc; -{ - register int j; - - /* First reset the board */ - EL_LOCK_ASSERT(sc); - CSR_WRITE_1(sc,EL_AC,EL_AC_RESET); - DELAY(5); - CSR_WRITE_1(sc,EL_AC,0); - - /* Then give it back its ethernet address. Thanks to the mach - * source code for this undocumented goodie... - */ - for(j=0;j<ETHER_ADDR_LEN;j++) - CSR_WRITE_1(sc,j,IFP2ENADDR(sc->el_ifp)[j]); -} - -/* Attach the interface to the kernel data structures. By the time - * this is called, we know that the card exists at the given I/O address. - * We still assume that the IRQ given is correct. - */ -static int -el_attach(device_t dev) -{ - struct el_softc *sc; - struct ifnet *ifp; - int rid, error; - - dprintf(("Attaching el%d...\n",device_get_unit(dev))); - - /* Get things pointing to the right places. */ - sc = device_get_softc(dev); - mtx_init(&sc->el_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, - MTX_DEF); - ifp = sc->el_ifp = if_alloc(IFT_ETHER); - - if (ifp == NULL) { - mtx_destroy(&sc->el_mtx); - return (ENOSPC); - } - - rid = 0; - sc->el_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, - 0, ~0, EL_IOSIZ, RF_ACTIVE); - - if (sc->el_res == NULL) { - mtx_destroy(&sc->el_mtx); - if_free(ifp); - return(ENXIO); - } - - rid = 0; - sc->el_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, - RF_SHAREABLE | RF_ACTIVE); - - if (sc->el_irq == NULL) { - mtx_destroy(&sc->el_mtx); - if_free(ifp); - bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->el_res); - return(ENXIO); - } - - /* Initialize ifnet structure */ - ifp->if_softc = sc; - if_initname(ifp, device_get_name(dev), device_get_unit(dev)); - ifp->if_mtu = ETHERMTU; - ifp->if_start = el_start; - ifp->if_ioctl = el_ioctl; - ifp->if_watchdog = el_watchdog; - ifp->if_init = el_init; - ifp->if_flags = (IFF_BROADCAST | IFF_MULTICAST | IFF_SIMPLEX); - ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; - - /* Now we can attach the interface */ - dprintf(("Attaching interface...\n")); - ether_ifattach(ifp, sc->el_enaddr); - - /* Finally, setup the interrupt handler. */ - error = bus_setup_intr(dev, sc->el_irq, INTR_TYPE_NET | INTR_MPSAFE, - elintr, sc, &sc->el_intrhand); - - if (error) { - ether_ifdetach(ifp); - if_free(ifp); - mtx_destroy(&sc->el_mtx); - bus_release_resource(dev, SYS_RES_IRQ, 0, sc->el_irq); - bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->el_res); - return(ENXIO); - } - - /* Now reset the board */ - dprintf(("Resetting board...\n")); - EL_LOCK(sc); - el_hardreset(sc); - EL_UNLOCK(sc); - - dprintf(("el_attach() finished.\n")); - return(0); -} - -static int el_detach(dev) - device_t dev; -{ - struct el_softc *sc; - struct ifnet *ifp; - - sc = device_get_softc(dev); - ifp = sc->el_ifp; - - EL_LOCK(sc); - el_stop(sc); - EL_UNLOCK(sc); - ether_ifdetach(ifp); - if_free(ifp); - bus_teardown_intr(dev, sc->el_irq, sc->el_intrhand); - bus_release_resource(dev, SYS_RES_IRQ, 0, sc->el_irq); - bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->el_res); - mtx_destroy(&sc->el_mtx); - - return(0); -} - -static int -el_shutdown(dev) - device_t dev; -{ - struct el_softc *sc; - - sc = device_get_softc(dev); - EL_LOCK(sc); - el_stop(sc); - EL_UNLOCK(sc); - return(0); -} - -/* This routine resets the interface. */ -static void -el_reset(sc) - struct el_softc *sc; -{ - - dprintf(("elreset()\n")); - el_stop(sc); - el_init_locked(sc); -} - -static void el_stop(sc) - struct el_softc *sc; -{ - - EL_LOCK_ASSERT(sc); - CSR_WRITE_1(sc,EL_AC,0); - el_hardreset(sc); -} - -/* Initialize interface. */ -static void -el_init(xsc) - void *xsc; -{ - struct el_softc *sc = xsc; - - EL_LOCK(sc); - el_init_locked(sc); - EL_UNLOCK(sc); -} - -static void -el_init_locked(sc) - struct el_softc *sc; -{ - struct ifnet *ifp; - - /* Set up pointers */ - ifp = sc->el_ifp; - - /* If address not known, do nothing. */ - if(TAILQ_EMPTY(&ifp->if_addrhead)) /* XXX unlikely */ - return; - - EL_LOCK_ASSERT(sc); - - /* First, reset the board. */ - dprintf(("Resetting board...\n")); - el_hardreset(sc); - - /* Configure rx */ - dprintf(("Configuring rx...\n")); - if(ifp->if_flags & IFF_PROMISC) - CSR_WRITE_1(sc,EL_RXC, - (EL_RXC_PROMISC|EL_RXC_ABROAD|EL_RXC_AMULTI| - EL_RXC_AGF|EL_RXC_DSHORT|EL_RXC_DDRIB|EL_RXC_DOFLOW)); - else - CSR_WRITE_1(sc,EL_RXC, - (EL_RXC_ABROAD|EL_RXC_AMULTI| - EL_RXC_AGF|EL_RXC_DSHORT|EL_RXC_DDRIB|EL_RXC_DOFLOW)); - CSR_WRITE_1(sc,EL_RBC,0); - - /* Configure TX */ - dprintf(("Configuring tx...\n")); - CSR_WRITE_1(sc,EL_TXC,0); - - /* Start reception */ - dprintf(("Starting reception...\n")); - CSR_WRITE_1(sc,EL_AC,(EL_AC_IRQE|EL_AC_RX)); - - /* Set flags appropriately */ - ifp->if_drv_flags |= IFF_DRV_RUNNING; - ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - - /* And start output. */ - el_start_locked(ifp); -} - -/* Start output on interface. Get datagrams from the queue and output - * them, giving the receiver a chance between datagrams. Call only - * from splimp or interrupt level! - */ -static void -el_start(struct ifnet *ifp) -{ - struct el_softc *sc; - - sc = ifp->if_softc; - EL_LOCK(sc); - el_start_locked(ifp); - EL_UNLOCK(sc); -} - -static void -el_start_locked(struct ifnet *ifp) -{ - struct el_softc *sc; - struct mbuf *m, *m0; - int i, len, retries, done; - - /* Get things pointing in the right directions */ - sc = ifp->if_softc; - - dprintf(("el_start()...\n")); - EL_LOCK_ASSERT(sc); - - /* Don't do anything if output is active */ - if(sc->el_ifp->if_drv_flags & IFF_DRV_OACTIVE) - return; - sc->el_ifp->if_drv_flags |= IFF_DRV_OACTIVE; - - /* The main loop. They warned me against endless loops, but - * would I listen? NOOO.... - */ - while(1) { - /* Dequeue the next datagram */ - IF_DEQUEUE(&sc->el_ifp->if_snd,m0); - - /* If there's nothing to send, return. */ - if(m0 == NULL) { - sc->el_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - return; - } - - /* Disable the receiver */ - CSR_WRITE_1(sc,EL_AC,EL_AC_HOST); - CSR_WRITE_1(sc,EL_RBC,0); - - /* Copy the datagram to the buffer. */ - len = 0; - for(m = m0; m != NULL; m = m->m_next) { - if(m->m_len == 0) - continue; - bcopy(mtod(m,caddr_t),sc->el_pktbuf+len,m->m_len); - len += m->m_len; - } - m_freem(m0); - - len = max(len,ETHER_MIN_LEN); - - /* Give the packet to the bpf, if any */ - BPF_TAP(sc->el_ifp, sc->el_pktbuf, len); - - /* Transfer datagram to board */ - dprintf(("el: xfr pkt length=%d...\n",len)); - i = EL_BUFSIZ - len; - CSR_WRITE_1(sc,EL_GPBL,(i & 0xff)); - CSR_WRITE_1(sc,EL_GPBH,((i>>8)&0xff)); - bus_space_write_multi_1(sc->el_btag, sc->el_bhandle, - EL_BUF, sc->el_pktbuf, len); - - /* Now transmit the datagram */ - retries=0; - done=0; - while(!done) { - if(el_xmit(sc,len)) { /* Something went wrong */ - done = -1; - break; - } - /* Check out status */ - i = CSR_READ_1(sc,EL_TXS); - dprintf(("tx status=0x%x\n",i)); - if(!(i & EL_TXS_READY)) { - dprintf(("el: err txs=%x\n",i)); - sc->el_ifp->if_oerrors++; - if(i & (EL_TXS_COLL|EL_TXS_COLL16)) { - if((!(i & EL_TXC_DCOLL16)) && retries < 15) { - retries++; - CSR_WRITE_1(sc,EL_AC,EL_AC_HOST); - } - } - else - done = 1; - } - else { - sc->el_ifp->if_opackets++; - done = 1; - } - } - if(done == -1) /* Packet not transmitted */ - continue; - - /* Now give the card a chance to receive. - * Gotta love 3c501s... - */ - (void)CSR_READ_1(sc,EL_AS); - CSR_WRITE_1(sc,EL_AC,(EL_AC_IRQE|EL_AC_RX)); - EL_UNLOCK(sc); - /* Interrupt here */ - EL_LOCK(sc); - } -} - -/* This function actually attempts to transmit a datagram downloaded - * to the board. Call at splimp or interrupt, after downloading data! - * Returns 0 on success, non-0 on failure - */ -static int -el_xmit(struct el_softc *sc,int len) -{ - int gpl; - int i; - - gpl = EL_BUFSIZ - len; - dprintf(("el: xmit...")); - CSR_WRITE_1(sc,EL_GPBL,(gpl & 0xff)); - CSR_WRITE_1(sc,EL_GPBH,((gpl>>8)&0xff)); - CSR_WRITE_1(sc,EL_AC,EL_AC_TXFRX); - i = 20000; - while((CSR_READ_1(sc,EL_AS) & EL_AS_TXBUSY) && (i>0)) - i--; - if(i == 0) { - dprintf(("tx not ready\n")); - sc->el_ifp->if_oerrors++; - return(-1); - } - dprintf(("%d cycles.\n",(20000-i))); - return(0); -} - -/* Pass a packet up to the higher levels. */ -static __inline void -elread(struct el_softc *sc,caddr_t buf,int len) -{ - struct ifnet *ifp = sc->el_ifp; - struct mbuf *m; - - /* - * Put packet into an mbuf chain - */ - EL_LOCK_ASSERT(sc); - m = elget(buf,len,ifp); - if(m == 0) - return; - - EL_UNLOCK(sc); - (*ifp->if_input)(ifp,m); - EL_LOCK(sc); -} - -/* controller interrupt */ -static void -elintr(void *xsc) -{ - register struct el_softc *sc; - int stat, rxstat, len, done; - - - /* Get things pointing properly */ - sc = xsc; - EL_LOCK(sc); - dprintf(("elintr: ")); - - /* Check board status */ - stat = CSR_READ_1(sc,EL_AS); - if(stat & EL_AS_RXBUSY) { - (void)CSR_READ_1(sc,EL_RXC); - CSR_WRITE_1(sc,EL_AC,(EL_AC_IRQE|EL_AC_RX)); - EL_UNLOCK(sc); - return; - } - - done = 0; - while(!done) { - rxstat = CSR_READ_1(sc,EL_RXS); - if(rxstat & EL_RXS_STALE) { - (void)CSR_READ_1(sc,EL_RXC); - CSR_WRITE_1(sc,EL_AC,(EL_AC_IRQE|EL_AC_RX)); - EL_UNLOCK(sc); - return; - } - - /* If there's an overflow, reinit the board. */ - if(!(rxstat & EL_RXS_NOFLOW)) { - dprintf(("overflow.\n")); - el_hardreset(sc); - /* Put board back into receive mode */ - if(sc->el_ifp->if_flags & IFF_PROMISC) - CSR_WRITE_1(sc,EL_RXC, - (EL_RXC_PROMISC|EL_RXC_ABROAD| - EL_RXC_AMULTI|EL_RXC_AGF|EL_RXC_DSHORT| - EL_RXC_DDRIB|EL_RXC_DOFLOW)); - else - CSR_WRITE_1(sc,EL_RXC, - (EL_RXC_ABROAD| - EL_RXC_AMULTI|EL_RXC_AGF|EL_RXC_DSHORT| - EL_RXC_DDRIB|EL_RXC_DOFLOW)); - (void)CSR_READ_1(sc,EL_AS); - CSR_WRITE_1(sc,EL_RBC,0); - (void)CSR_READ_1(sc,EL_RXC); - CSR_WRITE_1(sc,EL_AC,(EL_AC_IRQE|EL_AC_RX)); - EL_UNLOCK(sc); - return; - } - - /* Incoming packet */ - len = CSR_READ_1(sc,EL_RBL); - len |= CSR_READ_1(sc,EL_RBH) << 8; - dprintf(("receive len=%d rxstat=%x ",len,rxstat)); - CSR_WRITE_1(sc,EL_AC,EL_AC_HOST); - - /* If packet too short or too long, restore rx mode and return - */ - if((len <= sizeof(struct ether_header)) || (len > ETHER_MAX_LEN)) { - if(sc->el_ifp->if_flags & IFF_PROMISC) - CSR_WRITE_1(sc,EL_RXC, - (EL_RXC_PROMISC|EL_RXC_ABROAD| - EL_RXC_AMULTI|EL_RXC_AGF|EL_RXC_DSHORT| - EL_RXC_DDRIB|EL_RXC_DOFLOW)); - else - CSR_WRITE_1(sc,EL_RXC, - (EL_RXC_ABROAD| - EL_RXC_AMULTI|EL_RXC_AGF|EL_RXC_DSHORT| - EL_RXC_DDRIB|EL_RXC_DOFLOW)); - (void)CSR_READ_1(sc,EL_AS); - CSR_WRITE_1(sc,EL_RBC,0); - (void)CSR_READ_1(sc,EL_RXC); - CSR_WRITE_1(sc,EL_AC,(EL_AC_IRQE|EL_AC_RX)); - EL_UNLOCK(sc); - return; - } - - sc->el_ifp->if_ipackets++; - - /* Copy the data into our buffer */ - CSR_WRITE_1(sc,EL_GPBL,0); - CSR_WRITE_1(sc,EL_GPBH,0); - bus_space_read_multi_1(sc->el_btag, sc->el_bhandle, - EL_BUF, sc->el_pktbuf, len); - CSR_WRITE_1(sc,EL_RBC,0); - CSR_WRITE_1(sc,EL_AC,EL_AC_RX); - dprintf(("%6D-->",sc->el_pktbuf+6,":")); - dprintf(("%6D\n",sc->el_pktbuf,":")); - - /* Pass data up to upper levels */ - elread(sc,(caddr_t)(sc->el_pktbuf),len); - - /* Is there another packet? */ - stat = CSR_READ_1(sc,EL_AS); - - /* If so, do it all again (i.e. don't set done to 1) */ - if(!(stat & EL_AS_RXBUSY)) - dprintf(("<rescan> ")); - else - done = 1; - } - - (void)CSR_READ_1(sc,EL_RXC); - CSR_WRITE_1(sc,EL_AC,(EL_AC_IRQE|EL_AC_RX)); - EL_UNLOCK(sc); - return; -} - -/* - * Pull read data off an interface. - * Len is length of data, with local net header stripped. - */ -static struct mbuf * -elget(buf, totlen, ifp) - caddr_t buf; - int totlen; - struct ifnet *ifp; -{ - struct mbuf *top, **mp, *m; - int len; - register caddr_t cp; - char *epkt; - - buf += sizeof(struct ether_header); - cp = buf; - epkt = cp + totlen; - - MGETHDR(m, M_DONTWAIT, MT_DATA); - if (m == 0) - return (0); - m->m_pkthdr.rcvif = ifp; - m->m_pkthdr.len = totlen; - m->m_len = MHLEN; - top = 0; - mp = ⊤ - while (totlen > 0) { - if (top) { - MGET(m, M_DONTWAIT, MT_DATA); - if (m == 0) { - m_freem(top); - return (0); - } - m->m_len = MLEN; - } - len = min(totlen, epkt - cp); - if (len >= MINCLSIZE) { - MCLGET(m, M_DONTWAIT); - if (m->m_flags & M_EXT) - m->m_len = len = min(len, MCLBYTES); - else - len = m->m_len; - } else { - /* - * 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; - m->m_len = len; - } else - len = m->m_len; - } - bcopy(cp, mtod(m, caddr_t), (unsigned)len); - cp += len; - *mp = m; - mp = &m->m_next; - totlen -= len; - if (cp == epkt) - cp = buf; - } - return (top); -} - -/* - * Process an ioctl request. This code needs some work - it looks - * pretty ugly. - */ -static int -el_ioctl(ifp, command, data) - register struct ifnet *ifp; - u_long command; - caddr_t data; -{ - int error = 0; - struct el_softc *sc; - - sc = ifp->if_softc; - - switch (command) { - case SIOCSIFFLAGS: - EL_LOCK(sc); - /* - * If interface is marked down and it is running, then stop it - */ - if (((ifp->if_flags & IFF_UP) == 0) && - (ifp->if_drv_flags & IFF_DRV_RUNNING)) { - el_stop(sc); - ifp->if_drv_flags &= ~IFF_DRV_RUNNING; - } else { - /* - * If interface is marked up and it is stopped, then start it - */ - if ((ifp->if_flags & IFF_UP) && - ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)) - el_init_locked(ifp->if_softc); - } - EL_UNLOCK(sc); - break; - default: - error = ether_ioctl(ifp, command, data); - break; - } - return (error); -} - -/* Device timeout routine */ -static void -el_watchdog(struct ifnet *ifp) -{ - struct el_softc *sc; - - sc = ifp->if_softc; - log(LOG_ERR,"%s: device timeout\n", ifp->if_xname); - EL_LOCK(sc); - ifp->if_oerrors++; - el_reset(sc); - EL_UNLOCK(sc); -} diff --git a/sys/i386/isa/if_elreg.h b/sys/i386/isa/if_elreg.h deleted file mode 100644 index f7f36d9..0000000 --- a/sys/i386/isa/if_elreg.h +++ /dev/null @@ -1,78 +0,0 @@ -/*- - * Copyright (c) 1994, Matthew E. Kimmel. Permission is hereby granted - * to use, copy, modify and distribute this software provided that both - * the copyright notice and this permission notice appear in all copies - * of the software, derivative works or modified versions, and any - * portions thereof. - * - * $FreeBSD$ - */ -/* 3COM Etherlink 3C501 Register Definitions */ - -/* I/O Ports */ -#define EL_RXS 0x6 /* Receive status register */ -#define EL_RXC 0x6 /* Receive command register */ -#define EL_TXS 0x7 /* Transmit status register */ -#define EL_TXC 0x7 /* Transmit command register */ -#define EL_GPBL 0x8 /* GP buffer ptr low byte */ -#define EL_GPBH 0x9 /* GP buffer ptr high byte */ -#define EL_RBL 0xa /* Receive buffer ptr low byte */ -#define EL_RBC 0xa /* Receive buffer clear */ -#define EL_RBH 0xb /* Receive buffer ptr high byte */ -#define EL_EAW 0xc /* Ethernet address window */ -#define EL_AS 0xe /* Auxiliary status register */ -#define EL_AC 0xe /* Auxiliary command register */ -#define EL_BUF 0xf /* Data buffer */ - -/* Receive status register bits */ -#define EL_RXS_OFLOW 0x01 /* Overflow error */ -#define EL_RXS_FCS 0x02 /* FCS error */ -#define EL_RXS_DRIB 0x04 /* Dribble error */ -#define EL_RXS_SHORT 0x08 /* Short frame */ -#define EL_RXS_NOFLOW 0x10 /* No overflow */ -#define EL_RXS_GOOD 0x20 /* Received good frame */ -#define EL_RXS_STALE 0x80 /* Stale receive status */ - -/* Receive command register bits */ -#define EL_RXC_DISABLE 0x00 /* Receiver disabled */ -#define EL_RXC_DOFLOW 0x01 /* Detect overflow */ -#define EL_RXC_DFCS 0x02 /* Detect FCS errs */ -#define EL_RXC_DDRIB 0x04 /* Detect dribble errors */ -#define EL_RXC_DSHORT 0x08 /* Detect short frames */ -#define EL_RXC_DNOFLOW 0x10 /* Detect frames w/o overflow ??? */ -#define EL_RXC_AGF 0x20 /* Accept Good Frames */ -#define EL_RXC_PROMISC 0x40 /* Promiscuous mode */ -#define EL_RXC_ABROAD 0x80 /* Accept address, broadcast */ -#define EL_RXC_AMULTI 0xc0 /* Accept address, multicast */ - -/* Transmit status register bits */ -#define EL_TXS_UFLOW 0x01 /* Underflow */ -#define EL_TXS_COLL 0x02 /* Collision */ -#define EL_TXS_COLL16 0x04 /* Collision 16 */ -#define EL_TXS_READY 0x08 /* Ready for new frame */ - -/* Transmit command register bits */ -#define EL_TXC_DUFLOW 0x01 /* Detect underflow */ -#define EL_TXC_DCOLL 0x02 /* Detect collisions */ -#define EL_TXC_DCOLL16 0x04 /* Detect collision 16 */ -#define EL_TXC_DSUCCESS 0x08 /* Detect success */ - -/* Auxiliary status register bits */ -#define EL_AS_RXBUSY 0x01 /* Receive busy */ -#define EL_AS_DMADONE 0x10 /* DMA finished */ -#define EL_AS_TXBUSY 0x80 /* Transmit busy */ - -/* Auxiliary command register bits */ -#define EL_AC_HOST 0x00 /* System bus can access buffer */ -#define EL_AC_IRQE 0x01 /* IRQ enable */ -#define EL_AC_TXBAD 0x02 /* Transmit frames with bad FCS */ -#define EL_AC_TXFRX 0x04 /* Transmit followed by receive */ -#define EL_AC_RX 0x08 /* Receive */ -#define EL_AC_LB 0x0c /* Loopback */ -#define EL_AC_DRQ 0x20 /* DMA request */ -#define EL_AC_RIDE 0x40 /* DRQ and IRQ enabled */ -#define EL_AC_RESET 0x80 /* Reset */ - -/* Packet buffer size */ -#define EL_BUFSIZ 2048 -#define EL_IOSIZ 16 diff --git a/sys/modules/Makefile b/sys/modules/Makefile index 42a2a46..6855311 100644 --- a/sys/modules/Makefile +++ b/sys/modules/Makefile @@ -69,7 +69,6 @@ SUBDIR= ${_3dfx} \ ${_drm} \ dummynet \ ${_ed} \ - ${_el} \ ${_elink} \ ${_em} \ en \ @@ -384,7 +383,6 @@ _cs= cs _ctau= ctau _cx= cx _dpt= dpt -_el= el _ex= ex _exca= exca _hptmv= hptmv @@ -469,7 +467,6 @@ _ciss= ciss _cm= cm _coff= coff _cpufreq= cpufreq -_el= el _em= em _ep= ep _exca= exca diff --git a/sys/modules/el/Makefile b/sys/modules/el/Makefile deleted file mode 100644 index 7839405..0000000 --- a/sys/modules/el/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# $FreeBSD$ - -.PATH: ${.CURDIR}/../../i386/isa - -KMOD= if_el -SRCS= if_el.c -SRCS+= opt_bdg.h opt_inet.h opt_ipx.h device_if.h bus_if.h isa_if.h - -.include <bsd.kmod.mk> |
