diff --git a/sys/conf/files.i386 b/sys/conf/files.i386 index 9c54457cf4b6..a713525e894c 100644 --- a/sys/conf/files.i386 +++ b/sys/conf/files.i386 @@ -96,7 +96,7 @@ crypto/des/des_ecb.c optional netsmbcrypto crypto/des/des_setkey.c optional netsmbcrypto dev/advansys/adv_isa.c optional adv isa dev/aic/aic_isa.c optional aic isa -#dev/ar/if_ar_isa.c optional ar isa +dev/ar/if_ar_isa.c optional ar isa dev/ed/if_ed_isa.c optional ed isa dev/eisa/eisaconf.c optional eisa dev/fb/fb.c optional fb diff --git a/sys/conf/files.pc98 b/sys/conf/files.pc98 index 107c6ae8afa0..5703fd0f48f2 100644 --- a/sys/conf/files.pc98 +++ b/sys/conf/files.pc98 @@ -93,7 +93,7 @@ crypto/des/des_ecb.c optional netsmbcrypto crypto/des/des_setkey.c optional netsmbcrypto #dev/advansys/adv_isa.c optional adv isa dev/aic/aic_cbus.c optional aic isa -#dev/ar/if_ar_isa.c optional ar isa +dev/ar/if_ar_isa.c optional ar isa dev/ct/bshw_machdep.c optional ct dev/ct/ct.c optional ct dev/ct/ct_isa.c optional ct isa diff --git a/sys/dev/ar/if_ar.c b/sys/dev/ar/if_ar.c index 85c8a2fa6a23..3f7a922400b5 100644 --- a/sys/dev/ar/if_ar.c +++ b/sys/dev/ar/if_ar.c @@ -62,9 +62,6 @@ #include #include -#include -#include "isa_if.h" - #include #ifdef NETGRAPH #include @@ -181,29 +178,6 @@ static int irqtable[16] = { 7 /* 15 */ }; -static int ar_isa_probe (device_t); -static int ar_isa_attach (device_t); - -static struct isa_pnp_id ar_ids[] = { - {0, NULL} -}; - -static device_method_t ar_methods[] = { - DEVMETHOD(device_probe, ar_isa_probe), - DEVMETHOD(device_attach, ar_isa_attach), - DEVMETHOD(device_detach, ar_detach), - { 0, 0 } -}; - -static driver_t ar_isa_driver = { - "ar", - ar_methods, - sizeof (struct ar_hardc) -}; - -devclass_t ar_devclass; - -DRIVER_MODULE(if_ar, isa, ar_isa_driver, ar_devclass, 0, 0); #ifndef NETGRAPH MODULE_DEPEND(if_ar, sppp, 1, 1, 1); #else @@ -268,140 +242,6 @@ static struct ng_type typestruct = { static int ngar_done_init = 0; #endif /* NETGRAPH */ -/* - * Probe to see if it is there. - * Get its information and fill it in. - */ -static int -ar_isa_probe(device_t device) -{ - int error; - u_long membase, memsize, port_start, port_count; - - error = ISA_PNP_PROBE(device_get_parent(device), device, ar_ids); - if(error == ENXIO || error == 0) - return (error); - - if((error = ar_allocate_ioport(device, 0, ARC_IO_SIZ))) { - return (ENXIO); - } - - /* - * Now see if the card is realy there. - * - * XXX For now I just check the undocumented ports - * for "570". We will probably have to do more checking. - */ - error = bus_get_resource(device, SYS_RES_IOPORT, 0, &port_start, - &port_count); - - if((inb(port_start + AR_ID_5) != '5') || - (inb(port_start + AR_ID_7) != '7') || - (inb(port_start + AR_ID_0) != '0')) { - ar_deallocate_resources(device); - return (ENXIO); - } - membase = bus_get_resource_start(device, SYS_RES_MEMORY, 0); - memsize = inb(port_start + AR_REV); - memsize = 1 << ((memsize & AR_WSIZ_MSK) >> AR_WSIZ_SHFT); - memsize *= ARC_WIN_SIZ; - error = bus_set_resource(device, SYS_RES_MEMORY, 0, membase, memsize); - ar_deallocate_resources(device); - - return (error); -} - -/* - * Malloc memory for the softc structures. - * Reset the card to put it in a known state. - * Register the ports on the adapter. - * Fill in the info for each port. - * Attach each port to sppp and bpf. - */ -static int -ar_isa_attach(device_t device) -{ - u_int tmp; - u_long irq, junk; - struct ar_hardc *hc; - - hc = (struct ar_hardc *)device_get_softc(device); - if(ar_allocate_ioport(device, 0, ARC_IO_SIZ)) - return (ENXIO); - hc->bt = rman_get_bustag(hc->res_ioport); - hc->bh = rman_get_bushandle(hc->res_ioport); - - hc->iobase = rman_get_start(hc->res_ioport); - - tmp = inb(hc->iobase + AR_BMI); - hc->bustype = tmp & AR_BUS_MSK; - hc->memsize = (tmp & AR_MEM_MSK) >> AR_MEM_SHFT; - hc->memsize = 1 << hc->memsize; - hc->memsize <<= 16; - hc->interface[0] = (tmp & AR_IFACE_MSK); - hc->interface[1] = hc->interface[0]; - hc->interface[2] = hc->interface[0]; - hc->interface[3] = hc->interface[0]; - tmp = inb(hc->iobase + AR_REV); - hc->revision = tmp & AR_REV_MSK; - hc->winsize = 1 << ((tmp & AR_WSIZ_MSK) >> AR_WSIZ_SHFT); - hc->winsize *= ARC_WIN_SIZ; - hc->winmsk = hc->winsize - 1; - hc->numports = inb(hc->iobase + AR_PNUM); - hc->handshake = inb(hc->iobase + AR_HNDSH); - - if(ar_allocate_memory(device, 0, hc->winsize)) - return (ENXIO); - - hc->mem_start = rman_get_virtual(hc->res_memory); - hc->mem_end = hc->mem_start + hc->winsize; - hc->cunit = device_get_unit(device); - - switch(hc->interface[0]) { - case AR_IFACE_EIA_232: - printf("ar%d: The EIA 232 interface is not supported.\n", - hc->cunit); - ar_deallocate_resources(device); - return (ENXIO); - case AR_IFACE_V_35: - break; - case AR_IFACE_EIA_530: - printf("ar%d: WARNING: The EIA 530 interface is untested.\n", - hc->cunit); - break; - case AR_IFACE_X_21: - break; - case AR_IFACE_COMBO: - printf("ar%d: WARNING: The COMBO interface is untested.\n", - hc->cunit); - break; - } - - /* - * Do a little sanity check. - */ - if((hc->numports > NPORT) || (hc->memsize > (512*1024))) { - ar_deallocate_resources(device); - return (ENXIO); - } - - if(ar_allocate_irq(device, 0, 1)) - return (ENXIO); - - if(bus_get_resource(device, SYS_RES_IRQ, 0, &irq, &junk)) { - ar_deallocate_resources(device); - return (ENXIO); - } - hc->isa_irq = irq; - - if(ar_attach(device)) { - ar_deallocate_resources(device); - return (ENXIO); - } - - return (0); -} - int ar_attach(device_t device) { diff --git a/sys/dev/ar/if_ar_isa.c b/sys/dev/ar/if_ar_isa.c index e610972467d0..c236c82d803b 100644 --- a/sys/dev/ar/if_ar_isa.c +++ b/sys/dev/ar/if_ar_isa.c @@ -45,15 +45,9 @@ * */ -#include "opt_netgraph.h" - #include #include #include -#include -#include -#include -#include #include #include #include @@ -65,21 +59,8 @@ #include #include "isa_if.h" -#include -#ifdef NETGRAPH -#include -#include -#include -#include -#else /* NETGRAPH */ -#include -#include -#endif /* NETGRAPH */ - -#include - -#include -#include +#include +#include #ifdef TRACE #define TRC(x) x @@ -89,98 +70,6 @@ #define TRCL(x) x -#define PPP_HEADER_LEN 4 - -struct ar_softc { -#ifndef NETGRAPH - struct sppp ifsppp; -#endif /* NETGRAPH */ - int unit; /* With regards to all ar devices */ - int subunit; /* With regards to this card */ - struct ar_hardc *hc; - - struct buf_block { - u_int txdesc; /* On card address */ - u_int txstart; /* On card address */ - u_int txend; /* On card address */ - u_int txtail; /* Index of first unused buffer */ - u_int txmax; /* number of usable buffers/descriptors */ - u_int txeda; /* Error descriptor addresses */ - }block[AR_TX_BLOCKS]; - - char xmit_busy; /* Transmitter is busy */ - char txb_inuse; /* Number of tx blocks currently in use */ - u_char txb_new; /* Index to where new buffer will be added */ - u_char txb_next_tx; /* Index to next block ready to tx */ - - u_int rxdesc; /* On card address */ - u_int rxstart; /* On card address */ - u_int rxend; /* On card address */ - u_int rxhind; /* Index to the head of the rx buffers. */ - u_int rxmax; /* number of usable buffers/descriptors */ - - int scano; - int scachan; - sca_regs *sca; -#ifdef NETGRAPH - int running; /* something is attached so we are running */ - int dcd; /* do we have dcd? */ - /* ---netgraph bits --- */ - char nodename[NG_NODELEN + 1]; /* store our node name */ - int datahooks; /* number of data hooks attached */ - node_p node; /* netgraph node */ - hook_p hook; /* data hook */ - hook_p debug_hook; - struct ifqueue xmitq_hipri; /* hi-priority transmit queue */ - struct ifqueue xmitq; /* transmit queue */ - int flags; /* state */ -#define SCF_RUNNING 0x01 /* board is active */ -#define SCF_OACTIVE 0x02 /* output is active */ - int out_dog; /* watchdog cycles output count-down */ - struct callout_handle handle; /* timeout(9) handle */ - u_long inbytes, outbytes; /* stats */ - u_long lastinbytes, lastoutbytes; /* a second ago */ - u_long inrate, outrate; /* highest rate seen */ - u_long inlast; /* last input N secs ago */ - u_long out_deficit; /* output since last input */ - u_long oerrors, ierrors[6]; - u_long opackets, ipackets; -#endif /* NETGRAPH */ -}; - -static int next_ar_unit = 0; - -#ifdef NETGRAPH -#define DOG_HOLDOFF 6 /* dog holds off for 6 secs */ -#define QUITE_A_WHILE 300 /* 5 MINUTES */ -#define LOTS_OF_PACKETS 100 -#endif /* NETGRAPH */ - -/* - * This translate from irq numbers to - * the value that the arnet card needs - * in the lower part of the AR_INT_SEL - * register. - */ -static int irqtable[16] = { - 0, /* 0 */ - 0, /* 1 */ - 0, /* 2 */ - 1, /* 3 */ - 0, /* 4 */ - 2, /* 5 */ - 0, /* 6 */ - 3, /* 7 */ - 0, /* 8 */ - 0, /* 9 */ - 4, /* 10 */ - 5, /* 11 */ - 6, /* 12 */ - 0, /* 13 */ - 0, /* 14 */ - 7 /* 15 */ -}; - static int ar_isa_probe (device_t); static int ar_isa_attach (device_t); @@ -204,69 +93,6 @@ static driver_t ar_isa_driver = { devclass_t ar_devclass; DRIVER_MODULE(if_ar, isa, ar_isa_driver, ar_devclass, 0, 0); -#ifndef NETGRAPH -MODULE_DEPEND(if_ar, sppp, 1, 1, 1); -#else -MODULE_DEPEND(ng_sync_ar, netgraph, 1, 1, 1); -#endif - -static void arintr(void *arg); -static void ar_xmit(struct ar_softc *sc); -#ifndef NETGRAPH -static void arstart(struct ifnet *ifp); -static int arioctl(struct ifnet *ifp, u_long cmd, caddr_t data); -static void arwatchdog(struct ifnet *ifp); -#else /* NETGRAPH */ -static void arstart(struct ar_softc *sc); -static void arwatchdog(struct ar_softc *sc); -#endif /* NETGRAPH */ -static int ar_packet_avail(struct ar_softc *sc, int *len, u_char *rxstat); -static void ar_copy_rxbuf(struct mbuf *m, struct ar_softc *sc, int len); -static void ar_eat_packet(struct ar_softc *sc, int single); -static void ar_get_packets(struct ar_softc *sc); - -static int ar_read_pim_iface(volatile struct ar_hardc *hc, int channel); -static void ar_up(struct ar_softc *sc); -static void ar_down(struct ar_softc *sc); -static void arc_init(struct ar_hardc *hc); -static void ar_init_sca(struct ar_hardc *hc, int scano); -static void ar_init_msci(struct ar_softc *sc); -static void ar_init_rx_dmac(struct ar_softc *sc); -static void ar_init_tx_dmac(struct ar_softc *sc); -static void ar_dmac_intr(struct ar_hardc *hc, int scano, u_char isr); -static void ar_msci_intr(struct ar_hardc *hc, int scano, u_char isr); -static void ar_timer_intr(struct ar_hardc *hc, int scano, u_char isr); - -#ifdef NETGRAPH -static void ngar_watchdog_frame(void * arg); -static void ngar_init(void* ignored); - -static ng_constructor_t ngar_constructor; -static ng_rcvmsg_t ngar_rcvmsg; -static ng_shutdown_t ngar_shutdown; -static ng_newhook_t ngar_newhook; -/*static ng_findhook_t ngar_findhook; */ -static ng_connect_t ngar_connect; -static ng_rcvdata_t ngar_rcvdata; -static ng_disconnect_t ngar_disconnect; - -static struct ng_type typestruct = { - NG_ABI_VERSION, - NG_AR_NODE_TYPE, - NULL, - ngar_constructor, - ngar_rcvmsg, - ngar_shutdown, - ngar_newhook, - NULL, - ngar_connect, - ngar_rcvdata, - ngar_disconnect, - NULL -}; - -static int ngar_done_init = 0; -#endif /* NETGRAPH */ /* * Probe to see if it is there. @@ -402,2118 +228,11 @@ ar_isa_attach(device_t device) return (0); } -int -ar_attach(device_t device) -{ - struct ar_hardc *hc; - struct ar_softc *sc; -#ifndef NETGRAPH - struct ifnet *ifp; - char *iface; -#endif /* NETGRAPH */ - int unit; - hc = (struct ar_hardc *)device_get_softc(device); - printf("arc%d: %uK RAM, %u ports, rev %u.\n", - hc->cunit, - hc->memsize/1024, - hc->numports, - hc->revision); - - arc_init(hc); - if(BUS_SETUP_INTR(device_get_parent(device), device, hc->res_irq, - INTR_TYPE_NET, arintr, hc, &hc->intr_cookie) != 0) - return (1); - sc = hc->sc; - for(unit=0;unitnumports;unit+=NCHAN) - ar_init_sca(hc, unit / NCHAN); - - /* - * Now configure each port on the card. - */ - for(unit=0;unitnumports;sc++,unit++) { - sc->hc = hc; - sc->subunit = unit; - sc->unit = next_ar_unit; - next_ar_unit++; - sc->scano = unit / NCHAN; - sc->scachan = unit%NCHAN; - - ar_init_rx_dmac(sc); - ar_init_tx_dmac(sc); - ar_init_msci(sc); - -#ifndef NETGRAPH - ifp = &sc->ifsppp.pp_if; - - ifp->if_softc = sc; - ifp->if_unit = sc->unit; - ifp->if_name = "ar"; - ifp->if_mtu = PP_MTU; - ifp->if_flags = IFF_POINTOPOINT | IFF_MULTICAST; - ifp->if_ioctl = arioctl; - ifp->if_start = arstart; - ifp->if_watchdog = arwatchdog; - - sc->ifsppp.pp_flags = PP_KEEPALIVE; - - switch(hc->interface[unit]) { - default: iface = "UNKNOWN"; break; - case AR_IFACE_EIA_232: iface = "EIA-232"; break; - case AR_IFACE_V_35: iface = "EIA-232 or V.35"; break; - case AR_IFACE_EIA_530: iface = "EIA-530"; break; - case AR_IFACE_X_21: iface = "X.21"; break; - case AR_IFACE_COMBO: iface = "COMBO X.21 / EIA-530"; break; - } - - printf("ar%d: Adapter %d, port %d, interface %s.\n", - sc->unit, - hc->cunit, - sc->subunit, - iface); - - sppp_attach((struct ifnet *)&sc->ifsppp); - if_attach(ifp); - - bpfattach(ifp, DLT_PPP, PPP_HEADER_LEN); -#else /* NETGRAPH */ - /* - * we have found a node, make sure our 'type' is availabe. - */ - if (ngar_done_init == 0) ngar_init(NULL); - if (ng_make_node_common(&typestruct, &sc->node) != 0) - return (1); - sprintf(sc->nodename, "%s%d", NG_AR_NODE_TYPE, sc->unit); - if (ng_name_node(sc->node, sc->nodename)) { - NG_NODE_UNREF(sc->node); /* drop it again */ - return (1); - } - NG_NODE_SET_PRIVATE(sc->node, sc); - callout_handle_init(&sc->handle); - sc->xmitq.ifq_maxlen = IFQ_MAXLEN; - sc->xmitq_hipri.ifq_maxlen = IFQ_MAXLEN; - mtx_init(&sc->xmitq.ifq_mtx, "ar_xmitq", MTX_DEF); - mtx_init(&sc->xmitq_hipri.ifq_mtx, "ar_xmitq_hipri", MTX_DEF); - sc->running = 0; -#endif /* NETGRAPH */ - } - - if(hc->bustype == AR_BUS_ISA) - ARC_SET_OFF(hc->iobase); - - return (0); -} - -int -ar_detach(device_t device) -{ - device_t parent = device_get_parent(device); - struct ar_hardc *hc = device_get_softc(device); - - if (hc->intr_cookie != NULL) { - if (BUS_TEARDOWN_INTR(parent, device, - hc->res_irq, hc->intr_cookie) != 0) { - printf("intr teardown failed.. continuing\n"); - } - hc->intr_cookie = NULL; - } - - /* - * deallocate any system resources we may have - * allocated on behalf of this driver. - */ - FREE(hc->sc, M_DEVBUF); - hc->sc = NULL; - hc->mem_start = NULL; - return (ar_deallocate_resources(device)); -} - -int -ar_allocate_ioport(device_t device, int rid, u_long size) -{ - struct ar_hardc *hc = device_get_softc(device); - - hc->rid_ioport = rid; - hc->res_ioport = bus_alloc_resource(device, SYS_RES_IOPORT, - &hc->rid_ioport, 0ul, ~0ul, size, RF_ACTIVE); - if (hc->res_ioport == NULL) { - goto errexit; - } - return (0); - -errexit: - ar_deallocate_resources(device); - return (ENXIO); -} - -int -ar_allocate_irq(device_t device, int rid, u_long size) -{ - struct ar_hardc *hc = device_get_softc(device); - - hc->rid_irq = rid; - hc->res_irq = bus_alloc_resource(device, SYS_RES_IRQ, - &hc->rid_irq, 0ul, ~0ul, 1, RF_SHAREABLE|RF_ACTIVE); - if (hc->res_irq == NULL) { - goto errexit; - } - return (0); - -errexit: - ar_deallocate_resources(device); - return (ENXIO); -} - -int -ar_allocate_memory(device_t device, int rid, u_long size) -{ - struct ar_hardc *hc = device_get_softc(device); - - hc->rid_memory = rid; - hc->res_memory = bus_alloc_resource(device, SYS_RES_MEMORY, - &hc->rid_memory, 0ul, ~0ul, size, RF_ACTIVE); - if (hc->res_memory == NULL) { - goto errexit; - } - return (0); - -errexit: - ar_deallocate_resources(device); - return (ENXIO); -} - -int -ar_allocate_plx_memory(device_t device, int rid, u_long size) -{ - struct ar_hardc *hc = device_get_softc(device); - - hc->rid_plx_memory = rid; - hc->res_plx_memory = bus_alloc_resource(device, SYS_RES_MEMORY, - &hc->rid_plx_memory, 0ul, ~0ul, size, RF_ACTIVE); - if (hc->res_plx_memory == NULL) { - goto errexit; - } - return (0); - -errexit: - ar_deallocate_resources(device); - return (ENXIO); -} - -int -ar_deallocate_resources(device_t device) -{ - struct ar_hardc *hc = device_get_softc(device); - - if (hc->res_irq != 0) { - bus_deactivate_resource(device, SYS_RES_IRQ, - hc->rid_irq, hc->res_irq); - bus_release_resource(device, SYS_RES_IRQ, - hc->rid_irq, hc->res_irq); - hc->res_irq = 0; - } - if (hc->res_ioport != 0) { - bus_deactivate_resource(device, SYS_RES_IOPORT, - hc->rid_ioport, hc->res_ioport); - bus_release_resource(device, SYS_RES_IOPORT, - hc->rid_ioport, hc->res_ioport); - hc->res_ioport = 0; - } - if (hc->res_memory != 0) { - bus_deactivate_resource(device, SYS_RES_MEMORY, - hc->rid_memory, hc->res_memory); - bus_release_resource(device, SYS_RES_MEMORY, - hc->rid_memory, hc->res_memory); - hc->res_memory = 0; - } - if (hc->res_plx_memory != 0) { - bus_deactivate_resource(device, SYS_RES_MEMORY, - hc->rid_plx_memory, hc->res_plx_memory); - bus_release_resource(device, SYS_RES_MEMORY, - hc->rid_plx_memory, hc->res_plx_memory); - hc->res_plx_memory = 0; - } - return (0); -} - -/* - * First figure out which SCA gave the interrupt. - * Process it. - * See if there is other interrupts pending. - * Repeat until there is no more interrupts. - */ -static void -arintr(void *arg) -{ - struct ar_hardc *hc = (struct ar_hardc *)arg; - sca_regs *sca; - u_char isr0, isr1, isr2, arisr; - int scano; - - /* XXX Use the PCI interrupt score board register later */ - if(hc->bustype == AR_BUS_PCI) - arisr = hc->orbase[AR_ISTAT * 4]; - else - arisr = inb(hc->iobase + AR_ISTAT); - - while(arisr & AR_BD_INT) { - TRC(printf("arisr = %x\n", arisr)); - if(arisr & AR_INT_0) - scano = 0; - else if(arisr & AR_INT_1) - scano = 1; - else { - /* XXX Oops this shouldn't happen. */ - printf("arc%d: Interrupted with no interrupt.\n", - hc->cunit); - return; - } - sca = hc->sca[scano]; - - if(hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(hc->iobase, scano); - - isr0 = sca->isr0; - isr1 = sca->isr1; - isr2 = sca->isr2; - - TRC(printf("arc%d: ARINTR isr0 %x, isr1 %x, isr2 %x\n", - hc->cunit, - isr0, - isr1, - isr2)); - if(isr0) - ar_msci_intr(hc, scano, isr0); - - if(isr1) - ar_dmac_intr(hc, scano, isr1); - - if(isr2) - ar_timer_intr(hc, scano, isr2); - - /* - * Proccess the second sca's interrupt if available. - * Else see if there are any new interrupts. - */ - if((arisr & AR_INT_0) && (arisr & AR_INT_1)) - arisr &= ~AR_INT_0; - else { - if(hc->bustype == AR_BUS_PCI) - arisr = hc->orbase[AR_ISTAT * 4]; - else - arisr = inb(hc->iobase + AR_ISTAT); - } - } - - if(hc->bustype == AR_BUS_ISA) - ARC_SET_OFF(hc->iobase); -} - - -/* - * This will only start the transmitter. It is assumed that the data - * is already there. It is normally called from arstart() or ar_dmac_intr(). - * - */ -static void -ar_xmit(struct ar_softc *sc) -{ -#ifndef NETGRAPH - struct ifnet *ifp; -#endif /* NETGRAPH */ - dmac_channel *dmac; - -#ifndef NETGRAPH - ifp = &sc->ifsppp.pp_if; -#endif /* NETGRAPH */ - dmac = &sc->sca->dmac[DMAC_TXCH(sc->scachan)]; - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - dmac->cda = (u_short)(sc->block[sc->txb_next_tx].txdesc & 0xffff); - - dmac->eda = (u_short)(sc->block[sc->txb_next_tx].txeda & 0xffff); - dmac->dsr = SCA_DSR_DE; - - sc->xmit_busy = 1; - - sc->txb_next_tx++; - if(sc->txb_next_tx == AR_TX_BLOCKS) - sc->txb_next_tx = 0; - -#ifndef NETGRAPH - ifp->if_timer = 2; /* Value in seconds. */ -#else /* NETGRAPH */ - sc->out_dog = DOG_HOLDOFF; /* give ourself some breathing space*/ -#endif /* NETGRAPH */ - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_OFF(sc->hc->iobase); -} - -/* - * This function will be called from the upper level when a user add a - * packet to be send, and from the interrupt handler after a finished - * transmit. - * - * NOTE: it should run at spl_imp(). - * - * This function only place the data in the oncard buffers. It does not - * start the transmition. ar_xmit() does that. - * - * Transmitter idle state is indicated by the IFF_OACTIVE flag. The function - * that clears that should ensure that the transmitter and its DMA is - * in a "good" idle state. - */ -#ifndef NETGRAPH -static void -arstart(struct ifnet *ifp) -{ - struct ar_softc *sc = ifp->if_softc; -#else /* NETGRAPH */ -static void -arstart(struct ar_softc *sc) -{ -#endif /* NETGRAPH */ - int i, len, tlen; - struct mbuf *mtx; - u_char *txdata; - sca_descriptor *txdesc; - struct buf_block *blkp; - -#ifndef NETGRAPH - if(!(ifp->if_flags & IFF_RUNNING)) - return; -#else /* NETGRAPH */ -/* XXX */ -#endif /* NETGRAPH */ - -top_arstart: - - /* - * See if we have space for more packets. - */ - if(sc->txb_inuse == AR_TX_BLOCKS) { -#ifndef NETGRAPH - ifp->if_flags |= IFF_OACTIVE; /* yes, mark active */ -#else /* NETGRAPH */ -/*XXX*/ /*ifp->if_flags |= IFF_OACTIVE;*/ /* yes, mark active */ -#endif /* NETGRAPH */ - return; - } - -#ifndef NETGRAPH - mtx = sppp_dequeue(ifp); -#else /* NETGRAPH */ - IF_DEQUEUE(&sc->xmitq_hipri, mtx); - if (mtx == NULL) { - IF_DEQUEUE(&sc->xmitq, mtx); - } -#endif /* NETGRAPH */ - if(!mtx) - return; - - /* - * It is OK to set the memory window outside the loop because - * all tx buffers and descriptors are assumed to be in the same - * 16K window. - */ - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_MEM(sc->hc->iobase, sc->block[0].txdesc); - - /* - * We stay in this loop until there is nothing in the - * TX queue left or the tx buffer is full. - */ - i = 0; - blkp = &sc->block[sc->txb_new]; - txdesc = (sca_descriptor *) - (sc->hc->mem_start + (blkp->txdesc & sc->hc->winmsk)); - txdata = (u_char *)(sc->hc->mem_start + (blkp->txstart & sc->hc->winmsk)); - for(;;) { - len = mtx->m_pkthdr.len; - - TRC(printf("ar%d: ARstart len %u\n", sc->unit, len)); - - /* - * We can do this because the tx buffers don't wrap. - */ - m_copydata(mtx, 0, len, txdata); - tlen = len; - while(tlen > AR_BUF_SIZ) { - txdesc->stat = 0; - txdesc->len = AR_BUF_SIZ; - tlen -= AR_BUF_SIZ; - txdesc++; - txdata += AR_BUF_SIZ; - i++; - } - /* XXX Move into the loop? */ - txdesc->stat = SCA_DESC_EOM; - txdesc->len = tlen; - txdesc++; - txdata += AR_BUF_SIZ; - i++; - -#ifndef NETGRAPH - if(ifp->if_bpf) - bpf_mtap(ifp, mtx); - m_freem(mtx); - ++sc->ifsppp.pp_if.if_opackets; -#else /* NETGRAPH */ - m_freem(mtx); - sc->outbytes += len; - ++sc->opackets; -#endif /* NETGRAPH */ - - /* - * Check if we have space for another mbuf. - * XXX This is hardcoded. A packet won't be larger - * than 3 buffers (3 x 512). - */ - if((i + 3) >= blkp->txmax) - break; - -#ifndef NETGRAPH - mtx = sppp_dequeue(ifp); -#else /* NETGRAPH */ - IF_DEQUEUE(&sc->xmitq_hipri, mtx); - if (mtx == NULL) { - IF_DEQUEUE(&sc->xmitq, mtx); - } -#endif /* NETGRAPH */ - if(!mtx) - break; - } - - blkp->txtail = i; - - /* - * Mark the last descriptor, so that the SCA know where - * to stop. - */ - txdesc--; - txdesc->stat |= SCA_DESC_EOT; - - txdesc = (sca_descriptor *)blkp->txdesc; - blkp->txeda = (u_short)((u_int)&txdesc[i]); - -#if 0 - printf("ARstart: %p desc->cp %x\n", &txdesc->cp, txdesc->cp); - printf("ARstart: %p desc->bp %x\n", &txdesc->bp, txdesc->bp); - printf("ARstart: %p desc->bpb %x\n", &txdesc->bpb, txdesc->bpb); - printf("ARstart: %p desc->len %x\n", &txdesc->len, txdesc->len); - printf("ARstart: %p desc->stat %x\n", &txdesc->stat, txdesc->stat); -#endif - - sc->txb_inuse++; - sc->txb_new++; - if(sc->txb_new == AR_TX_BLOCKS) - sc->txb_new = 0; - - if(sc->xmit_busy == 0) - ar_xmit(sc); - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_OFF(sc->hc->iobase); - - goto top_arstart; -} - -#ifndef NETGRAPH -static int -arioctl(struct ifnet *ifp, u_long cmd, caddr_t data) -{ - int s, error; - int was_up, should_be_up; - struct ar_softc *sc = ifp->if_softc; - - TRC(printf("ar%d: arioctl.\n", ifp->if_unit);) - - was_up = ifp->if_flags & IFF_RUNNING; - - error = sppp_ioctl(ifp, cmd, data); - TRC(printf("ar%d: ioctl: ifsppp.pp_flags = %x, if_flags %x.\n", - ifp->if_unit, ((struct sppp *)ifp)->pp_flags, ifp->if_flags);) - if(error) - return (error); - - if((cmd != SIOCSIFFLAGS) && cmd != (SIOCSIFADDR)) - return (0); - - TRC(printf("ar%d: arioctl %s.\n", ifp->if_unit, - (cmd == SIOCSIFFLAGS) ? "SIOCSIFFLAGS" : "SIOCSIFADDR");) - - s = splimp(); - should_be_up = ifp->if_flags & IFF_RUNNING; - - if(!was_up && should_be_up) { - /* Interface should be up -- start it. */ - ar_up(sc); - arstart(ifp); - /* XXX Maybe clear the IFF_UP flag so that the link - * will only go up after sppp lcp and ipcp negotiation. - */ - } else if(was_up && !should_be_up) { - /* Interface should be down -- stop it. */ - ar_down(sc); - sppp_flush(ifp); - } - splx(s); - return (0); -} -#endif /* NETGRAPH */ - -/* - * This is to catch lost tx interrupts. - */ -static void -#ifndef NETGRAPH -arwatchdog(struct ifnet *ifp) -{ - struct ar_softc *sc = ifp->if_softc; -#else /* NETGRAPH */ -arwatchdog(struct ar_softc *sc) -{ -#endif /* NETGRAPH */ - msci_channel *msci = &sc->sca->msci[sc->scachan]; - -#ifndef NETGRAPH - if(!(ifp->if_flags & IFF_RUNNING)) - return; -#endif /* NETGRAPH */ - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - - /* XXX if(sc->ifsppp.pp_if.if_flags & IFF_DEBUG) */ - printf("ar%d: transmit failed, " - "ST0 %x, ST1 %x, ST3 %x, DSR %x.\n", - sc->unit, - msci->st0, - msci->st1, - msci->st3, - sc->sca->dmac[DMAC_TXCH(sc->scachan)].dsr); - - if(msci->st1 & SCA_ST1_UDRN) { - msci->cmd = SCA_CMD_TXABORT; - msci->cmd = SCA_CMD_TXENABLE; - msci->st1 = SCA_ST1_UDRN; - } - - sc->xmit_busy = 0; -#ifndef NETGRAPH - ifp->if_flags &= ~IFF_OACTIVE; -#else /* NETGRAPH */ - /* XXX ifp->if_flags &= ~IFF_OACTIVE; */ -#endif /* NETGRAPH */ - - if(sc->txb_inuse && --sc->txb_inuse) - ar_xmit(sc); - -#ifndef NETGRAPH - arstart(ifp); -#else /* NETGRAPH */ - arstart(sc); -#endif /* NETGRAPH */ -} - -static void -ar_up(struct ar_softc *sc) -{ - sca_regs *sca; - msci_channel *msci; - - sca = sc->sca; - msci = &sca->msci[sc->scachan]; - - TRC(printf("ar%d: sca %p, msci %p, ch %d\n", - sc->unit, sca, msci, sc->scachan)); - - /* - * Enable transmitter and receiver. - * Raise DTR and RTS. - * Enable interrupts. - */ - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - - /* XXX - * What about using AUTO mode in msci->md0 ??? - * And what about CTS/DCD etc... ? - */ - if(sc->hc->handshake & AR_SHSK_RTS) - msci->ctl &= ~SCA_CTL_RTS; - if(sc->hc->handshake & AR_SHSK_DTR) { - sc->hc->txc_dtr[sc->scano] &= sc->scachan ? - ~AR_TXC_DTR_DTR1 : ~AR_TXC_DTR_DTR0; - if(sc->hc->bustype == AR_BUS_PCI) - sc->hc->orbase[sc->hc->txc_dtr_off[sc->scano]] = - sc->hc->txc_dtr[sc->scano]; - else - outb(sc->hc->iobase + sc->hc->txc_dtr_off[sc->scano], - sc->hc->txc_dtr[sc->scano]); - } - - if(sc->scachan == 0) { - sca->ier0 |= 0x0F; - sca->ier1 |= 0x0F; - } else { - sca->ier0 |= 0xF0; - sca->ier1 |= 0xF0; - } - - msci->cmd = SCA_CMD_RXENABLE; - if(sc->hc->bustype == AR_BUS_ISA) - inb(sc->hc->iobase + AR_ID_5); /* XXX slow it down a bit. */ - msci->cmd = SCA_CMD_TXENABLE; - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_OFF(sc->hc->iobase); -#ifdef NETGRAPH - untimeout(ngar_watchdog_frame, sc, sc->handle); - sc->handle = timeout(ngar_watchdog_frame, sc, hz); - sc->running = 1; -#endif /* NETGRAPH */ -} - -static void -ar_down(struct ar_softc *sc) -{ - sca_regs *sca; - msci_channel *msci; - - sca = sc->sca; - msci = &sca->msci[sc->scachan]; - -#ifdef NETGRAPH - untimeout(ngar_watchdog_frame, sc, sc->handle); - sc->running = 0; -#endif /* NETGRAPH */ - /* - * Disable transmitter and receiver. - * Lower DTR and RTS. - * Disable interrupts. - */ - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - msci->cmd = SCA_CMD_RXDISABLE; - if(sc->hc->bustype == AR_BUS_ISA) - inb(sc->hc->iobase + AR_ID_5); /* XXX slow it down a bit. */ - msci->cmd = SCA_CMD_TXDISABLE; - - if(sc->hc->handshake & AR_SHSK_RTS) - msci->ctl |= SCA_CTL_RTS; - if(sc->hc->handshake & AR_SHSK_DTR) { - sc->hc->txc_dtr[sc->scano] |= sc->scachan ? - AR_TXC_DTR_DTR1 : AR_TXC_DTR_DTR0; - if(sc->hc->bustype == AR_BUS_PCI) - sc->hc->orbase[sc->hc->txc_dtr_off[sc->scano]] = - sc->hc->txc_dtr[sc->scano]; - else - outb(sc->hc->iobase + sc->hc->txc_dtr_off[sc->scano], - sc->hc->txc_dtr[sc->scano]); - } - - if(sc->scachan == 0) { - sca->ier0 &= ~0x0F; - sca->ier1 &= ~0x0F; - } else { - sca->ier0 &= ~0xF0; - sca->ier1 &= ~0xF0; - } - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_OFF(sc->hc->iobase); -} - -static int -ar_read_pim_iface(volatile struct ar_hardc *hc, int channel) -{ - int ctype, i, val, x; - volatile u_char *pimctrl; - - ctype = 0; - val = 0; - - pimctrl = hc->orbase + AR_PIMCTRL; - - /* Reset the PIM */ - *pimctrl = 0x00; - *pimctrl = AR_PIM_STROBE; - - /* Check if there is a PIM */ - *pimctrl = 0x00; - *pimctrl = AR_PIM_READ; - x = *pimctrl; - TRC(printf("x = %x", x)); - if(x & AR_PIM_DATA) { - printf("No PIM installed\n"); - return (AR_IFACE_UNKNOWN); - } - - x = (x >> 1) & 0x01; - val |= x << 0; - - /* Now read the next 15 bits */ - for(i = 1; i < 16; i++) { - *pimctrl = AR_PIM_READ; - *pimctrl = AR_PIM_READ | AR_PIM_STROBE; - x = *pimctrl; - TRC(printf(" %x ", x)); - x = (x >> 1) & 0x01; - val |= x << i; - if(i == 8 && (val & 0x000f) == 0x0004) { - int ii; - - /* Start bit */ - *pimctrl = AR_PIM_A2D_DOUT | AR_PIM_A2D_STROBE; - *pimctrl = AR_PIM_A2D_DOUT; - - /* Mode bit */ - *pimctrl = AR_PIM_A2D_DOUT | AR_PIM_A2D_STROBE; - *pimctrl = AR_PIM_A2D_DOUT; - - /* Sign bit */ - *pimctrl = AR_PIM_A2D_DOUT | AR_PIM_A2D_STROBE; - *pimctrl = AR_PIM_A2D_DOUT; - - /* Select channel */ - *pimctrl = AR_PIM_A2D_STROBE | ((channel & 2) << 2); - *pimctrl = ((channel & 2) << 2); - *pimctrl = AR_PIM_A2D_STROBE | ((channel & 1) << 3); - *pimctrl = ((channel & 1) << 3); - - *pimctrl = AR_PIM_A2D_STROBE; - - x = *pimctrl; - if(x & AR_PIM_DATA) - printf("\nOops A2D start bit not zero (%X)\n", x); - - for(ii = 7; ii >= 0; ii--) { - *pimctrl = 0x00; - *pimctrl = AR_PIM_A2D_STROBE; - x = *pimctrl; - if(x & AR_PIM_DATA) - ctype |= 1 << ii; - } - } - } - TRC(printf("\nPIM val %x, ctype %x, %d\n", val, ctype, ctype)); - *pimctrl = AR_PIM_MODEG; - *pimctrl = AR_PIM_MODEG | AR_PIM_AUTO_LED; - if(ctype > 255) - return (AR_IFACE_UNKNOWN); - if(ctype > 239) - return (AR_IFACE_V_35); - if(ctype > 207) - return (AR_IFACE_EIA_232); - if(ctype > 178) - return (AR_IFACE_X_21); - if(ctype > 150) - return (AR_IFACE_EIA_530); - if(ctype > 25) - return (AR_IFACE_UNKNOWN); - if(ctype > 7) - return (AR_IFACE_LOOPBACK); - return (AR_IFACE_UNKNOWN); -} - -/* - * Initialize the card, allocate memory for the ar_softc structures - * and fill in the pointers. - */ -static void -arc_init(struct ar_hardc *hc) -{ - struct ar_softc *sc; - int x; - u_int chanmem; - u_int bufmem; - u_int next; - u_int descneeded; - u_char isr, mar; - - MALLOC(sc, struct ar_softc *, hc->numports * sizeof(struct ar_softc), - M_DEVBUF, M_WAITOK | M_ZERO); - if (sc == NULL) - return; - hc->sc = sc; - - hc->txc_dtr[0] = AR_TXC_DTR_NOTRESET | - AR_TXC_DTR_DTR0 | AR_TXC_DTR_DTR1; - hc->txc_dtr[1] = AR_TXC_DTR_DTR0 | AR_TXC_DTR_DTR1; - hc->txc_dtr_off[0] = AR_TXC_DTR0; - hc->txc_dtr_off[1] = AR_TXC_DTR2; - if(hc->bustype == AR_BUS_PCI) { - hc->txc_dtr_off[0] *= 4; - hc->txc_dtr_off[1] *= 4; - } - - /* - * reset the card and wait at least 1uS. - */ - if(hc->bustype == AR_BUS_PCI) - hc->orbase[AR_TXC_DTR0 * 4] = ~AR_TXC_DTR_NOTRESET & - hc->txc_dtr[0]; - else - outb(hc->iobase + AR_TXC_DTR0, ~AR_TXC_DTR_NOTRESET & - hc->txc_dtr[0]); - DELAY(2); - if(hc->bustype == AR_BUS_PCI) - hc->orbase[AR_TXC_DTR0 * 4] = hc->txc_dtr[0]; - else - outb(hc->iobase + AR_TXC_DTR0, hc->txc_dtr[0]); - - if(hc->bustype == AR_BUS_ISA) { - /* - * Configure the card. - * Mem address, irq, - */ - mar = kvtop(hc->mem_start) >> 16; - isr = irqtable[hc->isa_irq] << 1; - if(isr == 0) - printf("ar%d: Warning illegal interrupt %d\n", - hc->cunit, hc->isa_irq); - isr = isr | ((kvtop(hc->mem_start) & 0xc000) >> 10); - - hc->sca[0] = (sca_regs *)hc->mem_start; - hc->sca[1] = (sca_regs *)hc->mem_start; - - outb(hc->iobase + AR_MEM_SEL, mar); - outb(hc->iobase + AR_INT_SEL, isr | AR_INTS_CEN); - } - - if(hc->bustype == AR_BUS_PCI && hc->interface[0] == AR_IFACE_PIM) - for(x = 0; x < hc->numports; x++) - hc->interface[x] = ar_read_pim_iface(hc, x); - - /* - * Set the TX clock direction and enable TX. - */ - for(x=0;xnumports;x++) { - switch(hc->interface[x]) { - case AR_IFACE_V_35: - hc->txc_dtr[x / NCHAN] |= (x % NCHAN == 0) ? - AR_TXC_DTR_TX0 : AR_TXC_DTR_TX1; - hc->txc_dtr[x / NCHAN] |= (x % NCHAN == 0) ? - AR_TXC_DTR_TXCS0 : AR_TXC_DTR_TXCS1; - break; - case AR_IFACE_EIA_530: - case AR_IFACE_COMBO: - case AR_IFACE_X_21: - hc->txc_dtr[x / NCHAN] |= (x % NCHAN == 0) ? - AR_TXC_DTR_TX0 : AR_TXC_DTR_TX1; - break; - } - } - - if(hc->bustype == AR_BUS_PCI) - hc->orbase[AR_TXC_DTR0 * 4] = hc->txc_dtr[0]; - else - outb(hc->iobase + AR_TXC_DTR0, hc->txc_dtr[0]); - if(hc->numports > NCHAN) { - if(hc->bustype == AR_BUS_PCI) - hc->orbase[AR_TXC_DTR2 * 4] = hc->txc_dtr[1]; - else - outb(hc->iobase + AR_TXC_DTR2, hc->txc_dtr[1]); - } - - chanmem = hc->memsize / hc->numports; - next = 0; - - for(x=0;xnumports;x++, sc++) { - int blk; - - sc->sca = hc->sca[x / NCHAN]; - - for(blk = 0; blk < AR_TX_BLOCKS; blk++) { - sc->block[blk].txdesc = next; - bufmem = (16 * 1024) / AR_TX_BLOCKS; - descneeded = bufmem / AR_BUF_SIZ; - sc->block[blk].txstart = sc->block[blk].txdesc + - ((((descneeded * sizeof(sca_descriptor)) / - AR_BUF_SIZ) + 1) * AR_BUF_SIZ); - sc->block[blk].txend = next + bufmem; - sc->block[blk].txmax = - (sc->block[blk].txend - sc->block[blk].txstart) - / AR_BUF_SIZ; - next += bufmem; - - TRC(printf("ar%d: blk %d: txdesc %x, txstart %x, " - "txend %x, txmax %d\n", - x, - blk, - sc->block[blk].txdesc, - sc->block[blk].txstart, - sc->block[blk].txend, - sc->block[blk].txmax)); - } - - sc->rxdesc = next; - bufmem = chanmem - (bufmem * AR_TX_BLOCKS); - descneeded = bufmem / AR_BUF_SIZ; - sc->rxstart = sc->rxdesc + - ((((descneeded * sizeof(sca_descriptor)) / - AR_BUF_SIZ) + 1) * AR_BUF_SIZ); - sc->rxend = next + bufmem; - sc->rxmax = (sc->rxend - sc->rxstart) / AR_BUF_SIZ; - next += bufmem; - TRC(printf("ar%d: rxdesc %x, rxstart %x, " - "rxend %x, rxmax %d\n", - x, sc->rxdesc, sc->rxstart, sc->rxend, sc->rxmax)); - } - - if(hc->bustype == AR_BUS_PCI) - hc->orbase[AR_PIMCTRL] = AR_PIM_MODEG | AR_PIM_AUTO_LED; -} - - -/* - * The things done here are channel independent. - * - * Configure the sca waitstates. - * Configure the global interrupt registers. - * Enable master dma enable. - */ -static void -ar_init_sca(struct ar_hardc *hc, int scano) -{ - sca_regs *sca; - - sca = hc->sca[scano]; - if(hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(hc->iobase, scano); - - /* - * Do the wait registers. - * Set everything to 0 wait states. - */ - sca->pabr0 = 0; - sca->pabr1 = 0; - sca->wcrl = 0; - sca->wcrm = 0; - sca->wcrh = 0; - - /* - * Configure the interrupt registers. - * Most are cleared until the interface is configured. - */ - sca->ier0 = 0x00; /* MSCI interrupts... Not used with dma. */ - sca->ier1 = 0x00; /* DMAC interrupts */ - sca->ier2 = 0x00; /* TIMER interrupts... Not used yet. */ - sca->itcr = 0x00; /* Use ivr and no intr ack */ - sca->ivr = 0x40; /* Fill in the interrupt vector. */ - sca->imvr = 0x40; - - /* - * Configure the timers. - * XXX Later - */ - - - /* - * Set the DMA channel priority to rotate between - * all four channels. - * - * Enable all dma channels. - */ - if(hc->bustype == AR_BUS_PCI) { - u_char *t; - - /* - * Stupid problem with the PCI interface chip that break - * things. - * XXX - */ - t = (u_char *)sca; - t[AR_PCI_SCA_PCR] = SCA_PCR_PR2; - t[AR_PCI_SCA_DMER] = SCA_DMER_EN; - } else { - sca->pcr = SCA_PCR_PR2; - sca->dmer = SCA_DMER_EN; - } -} - - -/* - * Configure the msci - * - * NOTE: The serial port configuration is hardcoded at the moment. - */ -static void -ar_init_msci(struct ar_softc *sc) -{ - msci_channel *msci; - - msci = &sc->sca->msci[sc->scachan]; - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - - msci->cmd = SCA_CMD_RESET; - - msci->md0 = SCA_MD0_CRC_1 | - SCA_MD0_CRC_CCITT | - SCA_MD0_CRC_ENABLE | - SCA_MD0_MODE_HDLC; - msci->md1 = SCA_MD1_NOADDRCHK; - msci->md2 = SCA_MD2_DUPLEX | SCA_MD2_NRZ; - - /* - * Acording to the manual I should give a reset after changing the - * mode registers. - */ - msci->cmd = SCA_CMD_RXRESET; - msci->ctl = SCA_CTL_IDLPAT | SCA_CTL_UDRNC | SCA_CTL_RTS; - - /* - * For now all interfaces are programmed to use the RX clock for - * the TX clock. - */ - switch(sc->hc->interface[sc->subunit]) { - case AR_IFACE_V_35: - msci->rxs = SCA_RXS_CLK_RXC0 | SCA_RXS_DIV1; - msci->txs = SCA_TXS_CLK_TXC | SCA_TXS_DIV1; - break; - case AR_IFACE_X_21: - case AR_IFACE_EIA_530: - case AR_IFACE_COMBO: - msci->rxs = SCA_RXS_CLK_RXC0 | SCA_RXS_DIV1; - msci->txs = SCA_TXS_CLK_RX | SCA_TXS_DIV1; - } - - msci->tmc = 153; /* This give 64k for loopback */ - - /* XXX - * Disable all interrupts for now. I think if you are using - * the dmac you don't use these interrupts. - */ - msci->ie0 = 0; - msci->ie1 = 0x0C; /* XXX CTS and DCD (DSR on 570I) level change. */ - msci->ie2 = 0; - msci->fie = 0; - - msci->sa0 = 0; - msci->sa1 = 0; - - msci->idl = 0x7E; /* XXX This is what cisco does. */ - - /* - * This is what the ARNET diags use. - */ - msci->rrc = 0x0E; - msci->trc0 = 0x12; - msci->trc1 = 0x1F; -} - -/* - * Configure the rx dma controller. - */ -static void -ar_init_rx_dmac(struct ar_softc *sc) -{ - dmac_channel *dmac; - sca_descriptor *rxd; - u_int rxbuf; - u_int rxda; - u_int rxda_d; - int x = 0; - - dmac = &sc->sca->dmac[DMAC_RXCH(sc->scachan)]; - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_MEM(sc->hc->iobase, sc->rxdesc); - - rxd = (sca_descriptor *)(sc->hc->mem_start + (sc->rxdesc&sc->hc->winmsk)); - rxda_d = (u_int)sc->hc->mem_start - (sc->rxdesc & ~sc->hc->winmsk); - - for(rxbuf=sc->rxstart;rxbufrxend;rxbuf += AR_BUF_SIZ, rxd++) { - rxda = (u_int)&rxd[1] - rxda_d; - rxd->cp = (u_short)(rxda & 0xfffful); - - x++; - if(x < 6) - TRC(printf("Descrp %p, data pt %x, data %x, ", - rxd, rxda, rxbuf)); - - rxd->bp = (u_short)(rxbuf & 0xfffful); - rxd->bpb = (u_char)((rxbuf >> 16) & 0xff); - rxd->len = 0; - rxd->stat = 0xff; /* The sca write here when it is finished. */ - - if(x < 6) - TRC(printf("bpb %x, bp %x.\n", rxd->bpb, rxd->bp)); - } - rxd--; - rxd->cp = (u_short)(sc->rxdesc & 0xfffful); - - sc->rxhind = 0; - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - - dmac->dsr = 0; /* Disable DMA transfer */ - dmac->dcr = SCA_DCR_ABRT; - - /* XXX maybe also SCA_DMR_CNTE */ - dmac->dmr = SCA_DMR_TMOD | SCA_DMR_NF; - dmac->bfl = AR_BUF_SIZ; - - dmac->cda = (u_short)(sc->rxdesc & 0xffff); - dmac->sarb = (u_char)((sc->rxdesc >> 16) & 0xff); - - rxd = (sca_descriptor *)sc->rxstart; - dmac->eda = (u_short)((u_int)&rxd[sc->rxmax - 1] & 0xffff); - - dmac->dir = 0xF0; - - dmac->dsr = SCA_DSR_DE; -} - -/* - * Configure the TX DMA descriptors. - * Initialize the needed values and chain the descriptors. - */ -static void -ar_init_tx_dmac(struct ar_softc *sc) -{ - dmac_channel *dmac; - struct buf_block *blkp; - int blk; - sca_descriptor *txd; - u_int txbuf; - u_int txda; - u_int txda_d; - - dmac = &sc->sca->dmac[DMAC_TXCH(sc->scachan)]; - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_MEM(sc->hc->iobase, sc->block[0].txdesc); - - for(blk = 0; blk < AR_TX_BLOCKS; blk++) { - blkp = &sc->block[blk]; - txd = (sca_descriptor *)(sc->hc->mem_start + - (blkp->txdesc&sc->hc->winmsk)); - txda_d = (u_int)sc->hc->mem_start - - (blkp->txdesc & ~sc->hc->winmsk); - - txbuf=blkp->txstart; - for(;txbuftxend;txbuf += AR_BUF_SIZ, txd++) { - txda = (u_int)&txd[1] - txda_d; - txd->cp = (u_short)(txda & 0xfffful); - - txd->bp = (u_short)(txbuf & 0xfffful); - txd->bpb = (u_char)((txbuf >> 16) & 0xff); - TRC(printf("ar%d: txbuf %x, bpb %x, bp %x\n", - sc->unit, txbuf, txd->bpb, txd->bp)); - txd->len = 0; - txd->stat = 0; - } - txd--; - txd->cp = (u_short)(blkp->txdesc & 0xfffful); - - blkp->txtail = (u_int)txd - (u_int)sc->hc->mem_start; - TRC(printf("TX Descriptors start %x, end %x.\n", - blkp->txdesc, - blkp->txtail)); - } - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - - dmac->dsr = 0; /* Disable DMA */ - dmac->dcr = SCA_DCR_ABRT; - dmac->dmr = SCA_DMR_TMOD | SCA_DMR_NF; - dmac->dir = SCA_DIR_EOT | SCA_DIR_BOF | SCA_DIR_COF; - - dmac->sarb = (u_char)((sc->block[0].txdesc >> 16) & 0xff); -} - - -/* - * Look through the descriptors to see if there is a complete packet - * available. Stop if we get to where the sca is busy. - * - * Return the length and status of the packet. - * Return nonzero if there is a packet available. - * - * NOTE: - * It seems that we get the interrupt a bit early. The updateing of - * descriptor values is not always completed when this is called. - */ -static int -ar_packet_avail(struct ar_softc *sc, - int *len, - u_char *rxstat) -{ - dmac_channel *dmac; - sca_descriptor *rxdesc; - sca_descriptor *endp; - sca_descriptor *cda; - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - dmac = &sc->sca->dmac[DMAC_RXCH(sc->scachan)]; - cda = (sca_descriptor *)(sc->hc->mem_start + - ((((u_int)dmac->sarb << 16) + dmac->cda) & sc->hc->winmsk)); - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_MEM(sc->hc->iobase, sc->rxdesc); - rxdesc = (sca_descriptor *) - (sc->hc->mem_start + (sc->rxdesc & sc->hc->winmsk)); - endp = rxdesc; - rxdesc = &rxdesc[sc->rxhind]; - endp = &endp[sc->rxmax]; - - *len = 0; - - while(rxdesc != cda) { - *len += rxdesc->len; - - if(rxdesc->stat & SCA_DESC_EOM) { - *rxstat = rxdesc->stat; - TRC(printf("ar%d: PKT AVAIL len %d, %x.\n", - sc->unit, *len, *rxstat)); - return (1); - } - - rxdesc++; - if(rxdesc == endp) - rxdesc = (sca_descriptor *) - (sc->hc->mem_start + (sc->rxdesc & sc->hc->winmsk)); - } - - *len = 0; - *rxstat = 0; - return (0); -} - - -/* - * Copy a packet from the on card memory into a provided mbuf. - * Take into account that buffers wrap and that a packet may - * be larger than a buffer. - */ -static void -ar_copy_rxbuf(struct mbuf *m, - struct ar_softc *sc, - int len) -{ - sca_descriptor *rxdesc; - u_int rxdata; - u_int rxmax; - u_int off = 0; - u_int tlen; - - rxdata = sc->rxstart + (sc->rxhind * AR_BUF_SIZ); - rxmax = sc->rxstart + (sc->rxmax * AR_BUF_SIZ); - - rxdesc = (sca_descriptor *) - (sc->hc->mem_start + (sc->rxdesc & sc->hc->winmsk)); - rxdesc = &rxdesc[sc->rxhind]; - - while(len) { - tlen = (len < AR_BUF_SIZ) ? len : AR_BUF_SIZ; - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_MEM(sc->hc->iobase, rxdata); - bcopy(sc->hc->mem_start + (rxdata & sc->hc->winmsk), - mtod(m, caddr_t) + off, - tlen); - - off += tlen; - len -= tlen; - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_MEM(sc->hc->iobase, sc->rxdesc); - rxdesc->len = 0; - rxdesc->stat = 0xff; - - rxdata += AR_BUF_SIZ; - rxdesc++; - if(rxdata == rxmax) { - rxdata = sc->rxstart; - rxdesc = (sca_descriptor *) - (sc->hc->mem_start + (sc->rxdesc & sc->hc->winmsk)); - } - } -} - -/* - * If single is set, just eat a packet. Otherwise eat everything up to - * where cda points. Update pointers to point to the next packet. - */ -static void -ar_eat_packet(struct ar_softc *sc, int single) -{ - dmac_channel *dmac; - sca_descriptor *rxdesc; - sca_descriptor *endp; - sca_descriptor *cda; - int loopcnt = 0; - u_char stat; - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - dmac = &sc->sca->dmac[DMAC_RXCH(sc->scachan)]; - cda = (sca_descriptor *)(sc->hc->mem_start + - ((((u_int)dmac->sarb << 16) + dmac->cda) & sc->hc->winmsk)); - - /* - * Loop until desc->stat == (0xff || EOM) - * Clear the status and length in the descriptor. - * Increment the descriptor. - */ - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_MEM(sc->hc->iobase, sc->rxdesc); - rxdesc = (sca_descriptor *) - (sc->hc->mem_start + (sc->rxdesc & sc->hc->winmsk)); - endp = rxdesc; - rxdesc = &rxdesc[sc->rxhind]; - endp = &endp[sc->rxmax]; - - while(rxdesc != cda) { - loopcnt++; - if(loopcnt > sc->rxmax) { - printf("ar%d: eat pkt %d loop, cda %p, " - "rxdesc %p, stat %x.\n", - sc->unit, - loopcnt, - (void *)cda, - (void *)rxdesc, - rxdesc->stat); - break; - } - - stat = rxdesc->stat; - - rxdesc->len = 0; - rxdesc->stat = 0xff; - - rxdesc++; - sc->rxhind++; - if(rxdesc == endp) { - rxdesc = (sca_descriptor *) - (sc->hc->mem_start + (sc->rxdesc & sc->hc->winmsk)); - sc->rxhind = 0; - } - - if(single && (stat == SCA_DESC_EOM)) - break; - } - - /* - * Update the eda to the previous descriptor. - */ - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - - rxdesc = (sca_descriptor *)sc->rxdesc; - rxdesc = &rxdesc[(sc->rxhind + sc->rxmax - 2 ) % sc->rxmax]; - - sc->sca->dmac[DMAC_RXCH(sc->scachan)].eda = - (u_short)((u_int)rxdesc & 0xffff); -} - - -/* - * While there is packets available in the rx buffer, read them out - * into mbufs and ship them off. - */ -static void -ar_get_packets(struct ar_softc *sc) -{ - sca_descriptor *rxdesc; - struct mbuf *m = NULL; - int i; - int len; - u_char rxstat; -#ifdef NETGRAPH - int error; -#endif - - while(ar_packet_avail(sc, &len, &rxstat)) { - TRC(printf("apa: len %d, rxstat %x\n", len, rxstat)); - if(((rxstat & SCA_DESC_ERRORS) == 0) && (len < MCLBYTES)) { - MGETHDR(m, M_DONTWAIT, MT_DATA); - if(m == NULL) { - /* eat packet if get mbuf fail!! */ - ar_eat_packet(sc, 1); - continue; - } -#ifndef NETGRAPH - m->m_pkthdr.rcvif = &sc->ifsppp.pp_if; -#else /* NETGRAPH */ - m->m_pkthdr.rcvif = NULL; - sc->inbytes += len; - sc->inlast = 0; -#endif /* NETGRAPH */ - m->m_pkthdr.len = m->m_len = len; - if(len > MHLEN) { - MCLGET(m, M_DONTWAIT); - if((m->m_flags & M_EXT) == 0) { - m_freem(m); - ar_eat_packet(sc, 1); - continue; - } - } - ar_copy_rxbuf(m, sc, len); -#ifndef NETGRAPH - if(sc->ifsppp.pp_if.if_bpf) - bpf_mtap(&sc->ifsppp.pp_if, m); - sppp_input(&sc->ifsppp.pp_if, m); - sc->ifsppp.pp_if.if_ipackets++; -#else /* NETGRAPH */ - NG_SEND_DATA_ONLY(error, sc->hook, m); - sc->ipackets++; -#endif /* NETGRAPH */ - - /* - * Update the eda to the previous descriptor. - */ - i = (len + AR_BUF_SIZ - 1) / AR_BUF_SIZ; - sc->rxhind = (sc->rxhind + i) % sc->rxmax; - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - - rxdesc = (sca_descriptor *)sc->rxdesc; - rxdesc = - &rxdesc[(sc->rxhind + sc->rxmax - 2 ) % sc->rxmax]; - - sc->sca->dmac[DMAC_RXCH(sc->scachan)].eda = - (u_short)((u_int)rxdesc & 0xffff); - } else { - int tries = 5; - - while((rxstat == 0xff) && --tries) - ar_packet_avail(sc, &len, &rxstat); - - /* - * It look like we get an interrupt early - * sometimes and then the status is not - * filled in yet. - */ - if(tries && (tries != 5)) - continue; - - ar_eat_packet(sc, 1); - -#ifndef NETGRAPH - sc->ifsppp.pp_if.if_ierrors++; -#else /* NETGRAPH */ - sc->ierrors[0]++; -#endif /* NETGRAPH */ - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(sc->hc->iobase, sc->scano); - - TRCL(printf("ar%d: Receive error chan %d, " - "stat %x, msci st3 %x," - "rxhind %d, cda %x, eda %x.\n", - sc->unit, - sc->scachan, - rxstat, - sc->sca->msci[sc->scachan].st3, - sc->rxhind, - sc->sca->dmac[ - DMAC_RXCH(sc->scachan)].cda, - sc->sca->dmac[ - DMAC_RXCH(sc->scachan)].eda)); - } - } -} - - -/* - * All DMA interrupts come here. - * - * Each channel has two interrupts. - * Interrupt A for errors and Interrupt B for normal stuff like end - * of transmit or receive dmas. - */ -static void -ar_dmac_intr(struct ar_hardc *hc, int scano, u_char isr1) -{ - u_char dsr; - u_char dotxstart = isr1; - int mch; - struct ar_softc *sc; - sca_regs *sca; - dmac_channel *dmac; - - sca = hc->sca[scano]; - mch = 0; - /* - * Shortcut if there is no interrupts for dma channel 0 or 1 - */ - if((isr1 & 0x0F) == 0) { - mch = 1; - isr1 >>= 4; - } - - do { - sc = &hc->sc[mch + (NCHAN * scano)]; - - /* - * Transmit channel - */ - if(isr1 & 0x0C) { - dmac = &sca->dmac[DMAC_TXCH(mch)]; - - if(hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(hc->iobase, scano); - - dsr = dmac->dsr; - dmac->dsr = dsr; - - /* Counter overflow */ - if(dsr & SCA_DSR_COF) { - printf("ar%d: TX DMA Counter overflow, " - "txpacket no %lu.\n", - sc->unit, -#ifndef NETGRAPH - sc->ifsppp.pp_if.if_opackets); - sc->ifsppp.pp_if.if_oerrors++; -#else /* NETGRAPH */ - sc->opackets); - sc->oerrors++; -#endif /* NETGRAPH */ - } - - /* Buffer overflow */ - if(dsr & SCA_DSR_BOF) { - printf("ar%d: TX DMA Buffer overflow, " - "txpacket no %lu, dsr %02x, " - "cda %04x, eda %04x.\n", - sc->unit, -#ifndef NETGRAPH - sc->ifsppp.pp_if.if_opackets, -#else /* NETGRAPH */ - sc->opackets, -#endif /* NETGRAPH */ - dsr, - dmac->cda, - dmac->eda); -#ifndef NETGRAPH - sc->ifsppp.pp_if.if_oerrors++; -#else /* NETGRAPH */ - sc->oerrors++; -#endif /* NETGRAPH */ - } - - /* End of Transfer */ - if(dsr & SCA_DSR_EOT) { - /* - * This should be the most common case. - * - * Clear the IFF_OACTIVE flag. - * - * Call arstart to start a new transmit if - * there is data to transmit. - */ - sc->xmit_busy = 0; -#ifndef NETGRAPH - sc->ifsppp.pp_if.if_flags &= ~IFF_OACTIVE; - sc->ifsppp.pp_if.if_timer = 0; -#else /* NETGRAPH */ - /* XXX c->ifsppp.pp_if.if_flags &= ~IFF_OACTIVE; */ - sc->out_dog = 0; /* XXX */ -#endif /* NETGRAPH */ - - if(sc->txb_inuse && --sc->txb_inuse) - ar_xmit(sc); - } - } - - /* - * Receive channel - */ - if(isr1 & 0x03) { - dmac = &sca->dmac[DMAC_RXCH(mch)]; - - if(hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(hc->iobase, scano); - - dsr = dmac->dsr; - dmac->dsr = dsr; - - TRC(printf("AR: RX DSR %x\n", dsr)); - - /* End of frame */ - if(dsr & SCA_DSR_EOM) { - TRC(int tt = sc->ifsppp.pp_if.if_ipackets;) - TRC(int ind = sc->rxhind;) - - ar_get_packets(sc); - TRC( -#ifndef NETGRAPH - if(tt == sc->ifsppp.pp_if.if_ipackets) { -#else /* NETGRAPH */ - if(tt == sc->ipackets) { -#endif /* NETGRAPH */ - sca_descriptor *rxdesc; - int i; - - if(hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(hc->iobase, scano); - printf("AR: RXINTR isr1 %x, dsr %x, " - "no data %d pkts, orxhind %d.\n", - dotxstart, - dsr, - tt, - ind); - printf("AR: rxdesc %x, rxstart %x, " - "rxend %x, rxhind %d, " - "rxmax %d.\n", - sc->rxdesc, - sc->rxstart, - sc->rxend, - sc->rxhind, - sc->rxmax); - printf("AR: cda %x, eda %x.\n", - dmac->cda, - dmac->eda); - - if(sc->hc->bustype == AR_BUS_ISA) - ARC_SET_MEM(sc->hc->iobase, - sc->rxdesc); - rxdesc = (sca_descriptor *) - (sc->hc->mem_start + - (sc->rxdesc & sc->hc->winmsk)); - rxdesc = &rxdesc[sc->rxhind]; - for(i=0;i<3;i++,rxdesc++) - printf("AR: rxdesc->stat %x, " - "len %d.\n", - rxdesc->stat, - rxdesc->len); - }) - } - - /* Counter overflow */ - if(dsr & SCA_DSR_COF) { - printf("ar%d: RX DMA Counter overflow, " - "rxpkts %lu.\n", - sc->unit, -#ifndef NETGRAPH - sc->ifsppp.pp_if.if_ipackets); - sc->ifsppp.pp_if.if_ierrors++; -#else /* NETGRAPH */ - sc->ipackets); - sc->ierrors[1]++; -#endif /* NETGRAPH */ - } - - /* Buffer overflow */ - if(dsr & SCA_DSR_BOF) { - if(hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(hc->iobase, scano); - printf("ar%d: RX DMA Buffer overflow, " - "rxpkts %lu, rxind %d, " - "cda %x, eda %x, dsr %x.\n", - sc->unit, -#ifndef NETGRAPH - sc->ifsppp.pp_if.if_ipackets, -#else /* NETGRAPH */ - sc->ipackets, -#endif /* NETGRAPH */ - sc->rxhind, - dmac->cda, - dmac->eda, - dsr); - /* - * Make sure we eat as many as possible. - * Then get the system running again. - */ - ar_eat_packet(sc, 0); -#ifndef NETGRAPH - sc->ifsppp.pp_if.if_ierrors++; -#else /* NETGRAPH */ - sc->ierrors[2]++; -#endif /* NETGRAPH */ - if(hc->bustype == AR_BUS_ISA) - ARC_SET_SCA(hc->iobase, scano); - sca->msci[mch].cmd = SCA_CMD_RXMSGREJ; - dmac->dsr = SCA_DSR_DE; - - TRC(printf("ar%d: RX DMA Buffer overflow, " - "rxpkts %lu, rxind %d, " - "cda %x, eda %x, dsr %x. After\n", - sc->unit, - sc->ifsppp.pp_if.if_ipackets, - sc->rxhind, - dmac->cda, - dmac->eda, - dmac->dsr);) - } - - /* End of Transfer */ - if(dsr & SCA_DSR_EOT) { - /* - * If this happen, it means that we are - * receiving faster than what the processor - * can handle. - * - * XXX We should enable the dma again. - */ - printf("ar%d: RX End of transfer, rxpkts %lu.\n", - sc->unit, -#ifndef NETGRAPH - sc->ifsppp.pp_if.if_ipackets); - sc->ifsppp.pp_if.if_ierrors++; -#else /* NETGRAPH */ - sc->ipackets); - sc->ierrors[3]++; -#endif /* NETGRAPH */ - } - } - - isr1 >>= 4; - - mch++; - }while((mchsc[mch + (NCHAN * scano)]; -#ifndef NETGRAPH - arstart(&sc->ifsppp.pp_if); -#else /* NETGRAPH */ - arstart(sc); -#endif /* NETGRAPH */ - } - dotxstart >>= 4; - } -} - -static void -ar_msci_intr(struct ar_hardc *hc, int scano, u_char isr0) -{ - printf("arc%d: ARINTR: MSCI\n", hc->cunit); -} - -static void -ar_timer_intr(struct ar_hardc *hc, int scano, u_char isr2) -{ - printf("arc%d: ARINTR: TIMER\n", hc->cunit); -} - - -#ifdef NETGRAPH -/***************************************** - * Device timeout/watchdog routine. - * called once per second. - * checks to see that if activity was expected, that it hapenned. - * At present we only look to see if expected output was completed. - */ -static void -ngar_watchdog_frame(void * arg) -{ - struct ar_softc * sc = arg; - int s; - int speed; - - if(sc->running == 0) - return; /* if we are not running let timeouts die */ - /* - * calculate the apparent throughputs - * XXX a real hack - */ - s = splimp(); - speed = sc->inbytes - sc->lastinbytes; - sc->lastinbytes = sc->inbytes; - if ( sc->inrate < speed ) - sc->inrate = speed; - speed = sc->outbytes - sc->lastoutbytes; - sc->lastoutbytes = sc->outbytes; - if ( sc->outrate < speed ) - sc->outrate = speed; - sc->inlast++; - splx(s); - - if ((sc->inlast > QUITE_A_WHILE) - && (sc->out_deficit > LOTS_OF_PACKETS)) { - log(LOG_ERR, "ar%d: No response from remote end\n", sc->unit); - s = splimp(); - ar_down(sc); - ar_up(sc); - sc->inlast = sc->out_deficit = 0; - splx(s); - } else if ( sc->xmit_busy ) { /* no TX -> no TX timeouts */ - if (sc->out_dog == 0) { - log(LOG_ERR, "ar%d: Transmit failure.. no clock?\n", - sc->unit); - s = splimp(); - arwatchdog(sc); -#if 0 - ar_down(sc); - ar_up(sc); -#endif - splx(s); - sc->inlast = sc->out_deficit = 0; - } else { - sc->out_dog--; - } - } - sc->handle = timeout(ngar_watchdog_frame, sc, hz); -} - -/*********************************************************************** - * This section contains the methods for the Netgraph interface - ***********************************************************************/ -/* - * It is not possible or allowable to create a node of this type. - * If the hardware exists, it will already have created it. - */ -static int -ngar_constructor(node_p node) -{ - return (EINVAL); -} - -/* - * give our ok for a hook to be added... - * If we are not running this should kick the device into life. - * The hook's private info points to our stash of info about that - * channel. - */ -static int -ngar_newhook(node_p node, hook_p hook, const char *name) -{ - struct ar_softc * sc = NG_NODE_PRIVATE(node); - - /* - * check if it's our friend the debug hook - */ - if (strcmp(name, NG_AR_HOOK_DEBUG) == 0) { - NG_HOOK_SET_PRIVATE(hook, NULL); /* paranoid */ - sc->debug_hook = hook; - return (0); - } - - /* - * Check for raw mode hook. - */ - if (strcmp(name, NG_AR_HOOK_RAW) != 0) { - return (EINVAL); - } - NG_HOOK_SET_PRIVATE(hook, sc); - sc->hook = hook; - sc->datahooks++; - ar_up(sc); - return (0); -} - -/* - * incoming messages. - * Just respond to the generic TEXT_STATUS message - */ -static int -ngar_rcvmsg(node_p node, item_p item, hook_p lasthook) -{ - struct ar_softc * sc; - struct ng_mesg *resp = NULL; - int error = 0; - struct ng_mesg *msg; - - NGI_GET_MSG(item, msg); - sc = NG_NODE_PRIVATE(node); - switch (msg->header.typecookie) { - case NG_AR_COOKIE: - error = EINVAL; - break; - case NGM_GENERIC_COOKIE: - switch(msg->header.cmd) { - case NGM_TEXT_STATUS: { - char *arg; - int pos = 0; - - int resplen = sizeof(struct ng_mesg) + 512; - NG_MKRESPONSE(resp, msg, resplen, M_NOWAIT); - if (resp == NULL) { - error = ENOMEM; - break; - } - arg = (resp)->data; - pos = sprintf(arg, "%ld bytes in, %ld bytes out\n" - "highest rate seen: %ld B/S in, %ld B/S out\n", - sc->inbytes, sc->outbytes, - sc->inrate, sc->outrate); - pos += sprintf(arg + pos, - "%ld output errors\n", - sc->oerrors); - pos += sprintf(arg + pos, - "ierrors = %ld, %ld, %ld, %ld\n", - sc->ierrors[0], - sc->ierrors[1], - sc->ierrors[2], - sc->ierrors[3]); - - resp->header.arglen = pos + 1; - break; - } - default: - error = EINVAL; - break; - } - break; - default: - error = EINVAL; - break; - } - /* Take care of synchronous response, if any */ - NG_RESPOND_MSG(error, node, item, resp); - NG_FREE_MSG(msg); - return (error); -} - -/* - * get data from another node and transmit it to the correct channel - */ -static int -ngar_rcvdata(hook_p hook, item_p item) -{ - int s; - int error = 0; - struct ar_softc * sc = NG_NODE_PRIVATE(NG_HOOK_NODE(hook)); - struct ifqueue *xmitq_p; - struct mbuf *m; - meta_p meta; - - NGI_GET_M(item, m); - NGI_GET_META(item, meta); - NG_FREE_ITEM(item); - /* - * data doesn't come in from just anywhere (e.g control hook) - */ - if ( NG_HOOK_PRIVATE(hook) == NULL) { - error = ENETDOWN; - goto bad; - } - - /* - * Now queue the data for when it can be sent - */ - if (meta && meta->priority > 0) { - xmitq_p = (&sc->xmitq_hipri); - } else { - xmitq_p = (&sc->xmitq); - } - s = splimp(); - IF_LOCK(xmitq_p); - if (_IF_QFULL(xmitq_p)) { - _IF_DROP(xmitq_p); - IF_UNLOCK(xmitq_p); - splx(s); - error = ENOBUFS; - goto bad; - } - _IF_ENQUEUE(xmitq_p, m); - IF_UNLOCK(xmitq_p); - arstart(sc); - splx(s); - return (0); - -bad: - /* - * It was an error case. - * check if we need to free the mbuf, and then return the error - */ - NG_FREE_M(m); - NG_FREE_META(meta); - return (error); -} - -/* - * do local shutdown processing.. - * this node will refuse to go away, unless the hardware says to.. - * don't unref the node, or remove our name. just clear our links up. - */ -static int -ngar_shutdown(node_p node) -{ - struct ar_softc * sc = NG_NODE_PRIVATE(node); - - ar_down(sc); - NG_NODE_UNREF(node); - /* XXX need to drain the output queues! */ - - /* The node is dead, long live the node! */ - /* stolen from the attach routine */ - if (ng_make_node_common(&typestruct, &sc->node) != 0) - return (0); - sprintf(sc->nodename, "%s%d", NG_AR_NODE_TYPE, sc->unit); - if (ng_name_node(sc->node, sc->nodename)) { - sc->node = NULL; - printf("node naming failed\n"); - NG_NODE_UNREF(sc->node); /* node dissappears */ - return (0); - } - NG_NODE_SET_PRIVATE(sc->node, sc); - sc->running = 0; - return (0); -} - -/* already linked */ -static int -ngar_connect(hook_p hook) -{ - /* probably not at splnet, force outward queueing */ - NG_HOOK_FORCE_QUEUE(NG_HOOK_PEER(hook)); - /* be really amiable and just say "YUP that's OK by me! " */ - return (0); -} - -/* - * notify on hook disconnection (destruction) - * - * Invalidate the private data associated with this dlci. - * For this type, removal of the last link resets tries to destroy the node. - * As the device still exists, the shutdown method will not actually - * destroy the node, but reset the device and leave it 'fresh' :) - * - * The node removal code will remove all references except that owned by the - * driver. - */ -static int -ngar_disconnect(hook_p hook) -{ - struct ar_softc * sc = NG_NODE_PRIVATE(NG_HOOK_NODE(hook)); - int s; - /* - * If it's the data hook, then free resources etc. - */ - if (NG_HOOK_PRIVATE(hook)) { - s = splimp(); - sc->datahooks--; - if (sc->datahooks == 0) - ar_down(sc); - splx(s); - } else { - sc->debug_hook = NULL; - } - return (0); -} - -/* - * called during bootup - * or LKM loading to put this type into the list of known modules - */ -static void -ngar_init(void *ignored) -{ - if (ng_newtype(&typestruct)) - printf("ngar install failed\n"); - ngar_done_init = 1; -} -#endif /* NETGRAPH */ /* ********************************* END ************************************ diff --git a/sys/modules/ar/Makefile b/sys/modules/ar/Makefile index 43589a4795b9..3951fd46fb9f 100644 --- a/sys/modules/ar/Makefile +++ b/sys/modules/ar/Makefile @@ -2,7 +2,7 @@ .PATH: ${.CURDIR}/../../dev/ar KMOD = if_ar -SRCS = if_ar.c if_ar_pci.c +SRCS = if_ar.c if_ar_isa.c if_ar_pci.c SRCS += device_if.h bus_if.h pci_if.h isa_if.h opt_netgraph.h .include diff --git a/sys/modules/netgraph/sync_ar/Makefile b/sys/modules/netgraph/sync_ar/Makefile index 9e5afd57f8b5..bc51040f0d15 100644 --- a/sys/modules/netgraph/sync_ar/Makefile +++ b/sys/modules/netgraph/sync_ar/Makefile @@ -2,7 +2,7 @@ .PATH: ${.CURDIR}/../../../dev/ar KMOD = ng_sync_ar -SRCS = if_ar.c if_ar_pci.c +SRCS = if_ar.c if_ar_isa.c if_ar_pci.c SRCS += device_if.h bus_if.h pci_if.h isa_if.h opt_netgraph.h opt_netgraph.h: