The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/cp/if_cp.c

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    1 /*-
    2  * Cronyx-Tau-PCI adapter driver for FreeBSD.
    3  * Supports PPP/HDLC, Cisco/HDLC and FrameRelay protocol in synchronous mode,
    4  * and asyncronous channels with full modem control.
    5  * Keepalive protocol implemented in both Cisco and PPP modes.
    6  *
    7  * Copyright (C) 1999-2004 Cronyx Engineering.
    8  * Author: Kurakin Roman, <rik@cronyx.ru>
    9  *
   10  * Copyright (C) 1999-2002 Cronyx Engineering.
   11  * Author: Serge Vakulenko, <vak@cronyx.ru>
   12  *
   13  * This software is distributed with NO WARRANTIES, not even the implied
   14  * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   15  *
   16  * Authors grant any other persons or organisations a permission to use,
   17  * modify and redistribute this software in source and binary forms,
   18  * as long as this message is kept with the software, all derivative
   19  * works or modified versions.
   20  *
   21  * Cronyx Id: if_cp.c,v 1.1.2.41 2004/06/23 17:09:13 rik Exp $
   22  */
   23 
   24 #include <sys/cdefs.h>
   25 __FBSDID("$FreeBSD: releng/7.3/sys/dev/cp/if_cp.c 182363 2008-08-28 08:30:19Z rik $");
   26 
   27 #include <sys/param.h>
   28 #include <sys/ucred.h>
   29 #include <sys/proc.h>
   30 #include <sys/systm.h>
   31 #include <sys/mbuf.h>
   32 #include <sys/kernel.h>
   33 #include <sys/module.h>
   34 #include <sys/conf.h>
   35 #include <sys/malloc.h>
   36 #include <sys/priv.h>
   37 #include <sys/socket.h>
   38 #include <sys/sockio.h>
   39 #include <sys/sysctl.h>
   40 #include <sys/tty.h>
   41 #include <sys/bus.h>
   42 #include <vm/vm.h>
   43 #include <vm/pmap.h>
   44 #include <net/if.h>
   45 #include <dev/pci/pcivar.h>
   46 #include <dev/pci/pcireg.h>
   47 #include <machine/bus.h>
   48 #include <sys/rman.h>
   49 #include "opt_ng_cronyx.h"
   50 #ifdef NETGRAPH_CRONYX
   51 #   include "opt_netgraph.h"
   52 #   ifndef NETGRAPH
   53 #       error #option   NETGRAPH missed from configuration
   54 #   endif
   55 #   include <netgraph/ng_message.h>
   56 #   include <netgraph/netgraph.h>
   57 #   include <dev/cp/ng_cp.h>
   58 #else
   59 #   include <net/if_sppp.h>
   60 #   include <net/if_types.h>
   61 #include <dev/pci/pcivar.h>
   62 #   define PP_CISCO IFF_LINK2
   63 #   include <net/bpf.h>
   64 #endif
   65 #include <dev/cx/machdep.h>
   66 #include <dev/cp/cpddk.h>
   67 #include <machine/cserial.h>
   68 #include <machine/resource.h>
   69 #include <machine/pmap.h>
   70 
   71 /* If we don't have Cronyx's sppp version, we don't have fr support via sppp */
   72 #ifndef PP_FR
   73 #define PP_FR 0
   74 #endif
   75 
   76 #define CP_DEBUG(d,s)   ({if (d->chan->debug) {\
   77                                 printf ("%s: ", d->name); printf s;}})
   78 #define CP_DEBUG2(d,s)  ({if (d->chan->debug>1) {\
   79                                 printf ("%s: ", d->name); printf s;}})
   80 #define CP_LOCK_NAME    "cpX"
   81 
   82 static  int     cp_mpsafenet = 1;
   83 TUNABLE_INT("debug.cp.mpsafenet", &cp_mpsafenet);
   84 SYSCTL_NODE(_debug, OID_AUTO, cp, CTLFLAG_RD, 0, "Cronyx Tau-PCI Adapters");
   85 SYSCTL_INT(_debug_cp, OID_AUTO, mpsafenet, CTLFLAG_RD, &cp_mpsafenet, 0,
   86         "Enable/disable MPSAFE network support for Cronyx Tau-PCI Adapters");
   87 
   88 #define CP_LOCK(_bd)            do { \
   89                                     if (cp_mpsafenet) \
   90                                         mtx_lock (&(_bd)->cp_mtx); \
   91                                 } while (0)
   92 #define CP_UNLOCK(_bd)          do { \
   93                                     if (cp_mpsafenet) \
   94                                         mtx_unlock (&(_bd)->cp_mtx); \
   95                                 } while (0)
   96 
   97 #define CP_LOCK_ASSERT(_bd)     do { \
   98                                     if (cp_mpsafenet) \
   99                                         mtx_assert (&(_bd)->cp_mtx, MA_OWNED); \
  100                                 } while (0)
  101 
  102 static  int cp_probe            __P((device_t));
  103 static  int cp_attach           __P((device_t));
  104 static  int cp_detach           __P((device_t));
  105 
  106 static  device_method_t cp_methods[] = {
  107         /* Device interface */
  108         DEVMETHOD(device_probe,         cp_probe),
  109         DEVMETHOD(device_attach,        cp_attach),
  110         DEVMETHOD(device_detach,        cp_detach),
  111 
  112         {0, 0}
  113 };
  114 
  115 typedef struct _cp_dma_mem_t {
  116         unsigned long   phys;
  117         void            *virt;
  118         size_t          size;
  119         bus_dma_tag_t   dmat;
  120         bus_dmamap_t    mapp;
  121 } cp_dma_mem_t;
  122 
  123 typedef struct _drv_t {
  124         char    name [8];
  125         int     running;
  126         cp_chan_t       *chan;
  127         cp_board_t      *board;
  128         cp_dma_mem_t    dmamem;
  129 #ifdef NETGRAPH
  130         char    nodename [NG_NODELEN+1];
  131         hook_p  hook;
  132         hook_p  debug_hook;
  133         node_p  node;
  134         struct  ifqueue queue;
  135         struct  ifqueue hi_queue;
  136         short   timeout;
  137         struct  callout timeout_handle;
  138 #else
  139         struct  ifqueue queue;
  140         struct  ifnet *ifp;
  141 #endif
  142         struct  cdev *devt;
  143 } drv_t;
  144 
  145 typedef struct _bdrv_t {
  146         cp_board_t      *board;
  147         struct resource *cp_res;
  148         struct resource *cp_irq;
  149         void            *cp_intrhand;
  150         cp_dma_mem_t    dmamem;
  151         drv_t           channel [NCHAN];
  152         struct mtx      cp_mtx;
  153 } bdrv_t;
  154 
  155 static  driver_t cp_driver = {
  156         "cp",
  157         cp_methods,
  158         sizeof(bdrv_t),
  159 };
  160 
  161 static  devclass_t cp_devclass;
  162 
  163 static void cp_receive (cp_chan_t *c, unsigned char *data, int len);
  164 static void cp_transmit (cp_chan_t *c, void *attachment, int len);
  165 static void cp_error (cp_chan_t *c, int data);
  166 static void cp_up (drv_t *d);
  167 static void cp_start (drv_t *d);
  168 static void cp_down (drv_t *d);
  169 static void cp_watchdog (drv_t *d);
  170 #ifdef NETGRAPH
  171 extern struct ng_type typestruct;
  172 #else
  173 static void cp_ifstart (struct ifnet *ifp);
  174 static void cp_tlf (struct sppp *sp);
  175 static void cp_tls (struct sppp *sp);
  176 static void cp_ifwatchdog (struct ifnet *ifp);
  177 static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
  178 static void cp_initialize (void *softc);
  179 #endif
  180 
  181 static cp_board_t *adapter [NBRD];
  182 static drv_t *channel [NBRD*NCHAN];
  183 static struct callout led_timo [NBRD];
  184 static struct callout timeout_handle;
  185 
  186 static int cp_destroy = 0;
  187 
  188 static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td);
  189 static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td);
  190 static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td);
  191 static struct cdevsw cp_cdevsw = {
  192         .d_version  = D_VERSION,
  193         .d_open     = cp_open,
  194         .d_close    = cp_close,
  195         .d_ioctl    = cp_ioctl,
  196         .d_name     = "cp",
  197         .d_flags    = D_NEEDGIANT,
  198 };
  199 
  200 /*
  201  * Print the mbuf chain, for debug purposes only.
  202  */
  203 static void printmbuf (struct mbuf *m)
  204 {
  205         printf ("mbuf:");
  206         for (; m; m=m->m_next) {
  207                 if (m->m_flags & M_PKTHDR)
  208                         printf (" HDR %d:", m->m_pkthdr.len);
  209                 if (m->m_flags & M_EXT)
  210                         printf (" EXT:");
  211                 printf (" %d", m->m_len);
  212         }
  213         printf ("\n");
  214 }
  215 
  216 /*
  217  * Make an mbuf from data.
  218  */
  219 static struct mbuf *makembuf (void *buf, unsigned len)
  220 {
  221         struct mbuf *m;
  222 
  223         MGETHDR (m, M_DONTWAIT, MT_DATA);
  224         if (! m)
  225                 return 0;
  226         MCLGET (m, M_DONTWAIT);
  227         if (! (m->m_flags & M_EXT)) {
  228                 m_freem (m);
  229                 return 0;
  230         }
  231         m->m_pkthdr.len = m->m_len = len;
  232         bcopy (buf, mtod (m, caddr_t), len);
  233         return m;
  234 }
  235 
  236 static int cp_probe (device_t dev)
  237 {
  238         if ((pci_get_vendor (dev) == cp_vendor_id) &&
  239             (pci_get_device (dev) == cp_device_id)) {
  240                 device_set_desc (dev, "Cronyx-Tau-PCI serial adapter");
  241                 return BUS_PROBE_DEFAULT;
  242         }
  243         return ENXIO;
  244 }
  245 
  246 static void cp_timeout (void *arg)
  247 {
  248         drv_t *d;
  249         int s, i, k;
  250 
  251         for (i = 0; i < NBRD; ++i) {
  252                 if (adapter[i] == NULL)
  253                         continue;
  254                 for (k = 0; k < NCHAN; ++k) {
  255                         s = splimp ();
  256                         if (cp_destroy) {
  257                                 splx (s);
  258                                 return;
  259                         }
  260                         d = channel[i * NCHAN + k];
  261                         if (!d) {
  262                                 splx (s);
  263                                 continue;
  264                         }
  265                         CP_LOCK ((bdrv_t *)d->board->sys);
  266                         switch (d->chan->type) {
  267                         case T_G703:
  268                                 cp_g703_timer (d->chan);
  269                                 break;
  270                         case T_E1:
  271                                 cp_e1_timer (d->chan);
  272                                 break;
  273                         case T_E3:
  274                         case T_T3:
  275                         case T_STS1:
  276                                 cp_e3_timer (d->chan);
  277                                 break;
  278                         default:
  279                                 break;
  280                         }
  281                         CP_UNLOCK ((bdrv_t *)d->board->sys);
  282                         splx (s);
  283                 }
  284         }
  285         s = splimp ();
  286         if (!cp_destroy)
  287                 callout_reset (&timeout_handle, hz, cp_timeout, 0);
  288         splx (s);
  289 }
  290 
  291 static void cp_led_off (void *arg)
  292 {
  293         cp_board_t *b = arg;
  294         bdrv_t *bd = (bdrv_t *) b->sys;
  295         int s;
  296         s = splimp ();
  297         if (cp_destroy) {
  298                 splx (s);
  299                 return;
  300         }
  301         CP_LOCK (bd);
  302         cp_led (b, 0);
  303         CP_UNLOCK (bd);
  304         splx (s);
  305 }
  306 
  307 static void cp_intr (void *arg)
  308 {
  309         bdrv_t *bd = arg;
  310         cp_board_t *b = bd->board;
  311 #ifndef NETGRAPH
  312         int i;
  313 #endif
  314         int s = splimp ();
  315         if (cp_destroy) {
  316                 splx (s);
  317                 return;
  318         }
  319         CP_LOCK (bd);
  320         /* Check if we are ready */
  321         if (b->sys == NULL) {
  322                 /* Not we are not, just cleanup. */
  323                 cp_interrupt_poll (b, 1);
  324                 CP_UNLOCK (bd);
  325                 return;
  326         }
  327         /* Turn LED on. */
  328         cp_led (b, 1);
  329 
  330         cp_interrupt (b);
  331 
  332         /* Turn LED off 50 msec later. */
  333         callout_reset (&led_timo[b->num], hz/20, cp_led_off, b);
  334         CP_UNLOCK (bd);
  335         splx (s);
  336 
  337 #ifndef NETGRAPH
  338         /* Pass packets in a lock-free state */
  339         for (i = 0; i < NCHAN && b->chan[i].type; i++) {
  340                 drv_t *d = b->chan[i].sys;
  341                 struct mbuf *m;
  342                 if (!d || !d->running)
  343                         continue;
  344                 while (_IF_QLEN(&d->queue)) {
  345                         IF_DEQUEUE (&d->queue,m);
  346                         if (!m)
  347                                 continue;
  348                         sppp_input (d->ifp, m); 
  349                 }
  350         }
  351 #endif
  352 }
  353 
  354 static void
  355 cp_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error)
  356 {
  357         unsigned long *addr;
  358 
  359         if (error)
  360                 return;
  361 
  362         KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
  363         addr = arg;
  364         *addr = segs->ds_addr;
  365 }
  366 
  367 static int
  368 cp_bus_dma_mem_alloc (int bnum, int cnum, cp_dma_mem_t *dmem)
  369 {
  370         int error;
  371 
  372         error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT,
  373                 BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
  374                 dmem->size, 0, NULL, NULL, &dmem->dmat);
  375         if (error) {
  376                 if (cnum >= 0)  printf ("cp%d-%d: ", bnum, cnum);
  377                 else            printf ("cp%d: ", bnum);
  378                 printf ("couldn't allocate tag for dma memory\n");
  379                 return 0;
  380         }
  381         error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
  382                 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
  383         if (error) {
  384                 if (cnum >= 0)  printf ("cp%d-%d: ", bnum, cnum);
  385                 else            printf ("cp%d: ", bnum);
  386                 printf ("couldn't allocate mem for dma memory\n");
  387                 bus_dma_tag_destroy (dmem->dmat);
  388                 return 0;
  389         }
  390         error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
  391                 dmem->size, cp_bus_dmamap_addr, &dmem->phys, 0);
  392         if (error) {
  393                 if (cnum >= 0)  printf ("cp%d-%d: ", bnum, cnum);
  394                 else            printf ("cp%d: ", bnum);
  395                 printf ("couldn't load mem map for dma memory\n");
  396                 bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
  397                 bus_dma_tag_destroy (dmem->dmat);
  398                 return 0;
  399         }
  400         return 1;
  401 }
  402 
  403 static void
  404 cp_bus_dma_mem_free (cp_dma_mem_t *dmem)
  405 {
  406         bus_dmamap_unload (dmem->dmat, dmem->mapp);
  407         bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
  408         bus_dma_tag_destroy (dmem->dmat);
  409 }
  410 
  411 /*
  412  * Called if the probe succeeded.
  413  */
  414 static int cp_attach (device_t dev)
  415 {
  416         bdrv_t *bd = device_get_softc (dev);
  417         int unit = device_get_unit (dev);
  418         char *cp_ln = CP_LOCK_NAME;
  419         unsigned short res;
  420         vm_offset_t vbase;
  421         int rid, error;
  422         cp_board_t *b;
  423         cp_chan_t *c;
  424         drv_t *d;
  425         int s = splimp ();
  426 
  427         b = malloc (sizeof(cp_board_t), M_DEVBUF, M_WAITOK);
  428         if (!b) {
  429                 printf ("cp%d: couldn't allocate memory\n", unit);              
  430                 splx (s);
  431                 return (ENXIO);
  432         }
  433         bzero (b, sizeof(cp_board_t));
  434 
  435         bd->board = b;
  436         rid = PCIR_BAR(0);
  437         bd->cp_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid,
  438                         0, ~0, 1, RF_ACTIVE);
  439         if (! bd->cp_res) {
  440                 printf ("cp%d: cannot map memory\n", unit);
  441                 free (b, M_DEVBUF);
  442                 splx (s);
  443                 return (ENXIO);
  444         }
  445         vbase = (vm_offset_t) rman_get_virtual (bd->cp_res);
  446 
  447         cp_ln[2] = '' + unit;
  448         mtx_init (&bd->cp_mtx, cp_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE);
  449         res = cp_init (b, unit, (u_char*) vbase);
  450         if (res) {
  451                 printf ("cp%d: can't init, error code:%x\n", unit, res);
  452                 bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res);
  453                 free (b, M_DEVBUF);
  454                 splx (s);
  455                 return (ENXIO);
  456         }
  457 
  458         bd->dmamem.size = sizeof(cp_qbuf_t);
  459         if (! cp_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) {
  460                 free (b, M_DEVBUF);
  461                 splx (s);
  462                 return (ENXIO);
  463         }
  464         CP_LOCK (bd);
  465         cp_reset (b, bd->dmamem.virt, bd->dmamem.phys);
  466         CP_UNLOCK (bd);
  467 
  468         rid = 0;
  469         bd->cp_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
  470                         RF_SHAREABLE | RF_ACTIVE);
  471         if (! bd->cp_irq) {
  472                 cp_destroy = 1;
  473                 printf ("cp%d: cannot map interrupt\n", unit);  
  474                 bus_release_resource (dev, SYS_RES_MEMORY,
  475                                 PCIR_BAR(0), bd->cp_res);
  476                 mtx_destroy (&bd->cp_mtx);
  477                 free (b, M_DEVBUF);
  478                 splx (s);
  479                 return (ENXIO);
  480         }
  481         callout_init (&led_timo[unit], cp_mpsafenet ? CALLOUT_MPSAFE : 0);
  482         error  = bus_setup_intr (dev, bd->cp_irq,
  483                                 INTR_TYPE_NET|(cp_mpsafenet?INTR_MPSAFE:0),
  484                                 NULL, cp_intr, bd, &bd->cp_intrhand);
  485         if (error) {
  486                 cp_destroy = 1;
  487                 printf ("cp%d: cannot set up irq\n", unit);
  488                 bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq);
  489                 bus_release_resource (dev, SYS_RES_MEMORY,
  490                                 PCIR_BAR(0), bd->cp_res);
  491                 mtx_destroy (&bd->cp_mtx);
  492                 free (b, M_DEVBUF);
  493                 splx (s);
  494                 return (ENXIO);
  495         }
  496         printf ("cp%d: %s, clock %ld MHz\n", unit, b->name, b->osc / 1000000);
  497 
  498         for (c = b->chan; c < b->chan + NCHAN; ++c) {
  499                 if (! c->type)
  500                         continue;
  501                 d = &bd->channel[c->num];
  502                 d->dmamem.size = sizeof(cp_buf_t);
  503                 if (! cp_bus_dma_mem_alloc (unit, c->num, &d->dmamem))
  504                         continue;
  505                 channel [b->num*NCHAN + c->num] = d;
  506                 sprintf (d->name, "cp%d.%d", b->num, c->num);
  507                 d->board = b;
  508                 d->chan = c;
  509                 c->sys = d;
  510 #ifdef NETGRAPH
  511                 if (ng_make_node_common (&typestruct, &d->node) != 0) {
  512                         printf ("%s: cannot make common node\n", d->name);
  513                         d->node = NULL;
  514                         continue;
  515                 }
  516                 NG_NODE_SET_PRIVATE (d->node, d);
  517                 sprintf (d->nodename, "%s%d", NG_CP_NODE_TYPE,
  518                          c->board->num*NCHAN + c->num);
  519                 if (ng_name_node (d->node, d->nodename)) {
  520                         printf ("%s: cannot name node\n", d->nodename);
  521                         NG_NODE_UNREF (d->node);
  522                         continue;
  523                 }
  524                 d->queue.ifq_maxlen = IFQ_MAXLEN;
  525                 d->hi_queue.ifq_maxlen = IFQ_MAXLEN;
  526                 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF);
  527                 mtx_init (&d->hi_queue.ifq_mtx, "cp_queue_hi", NULL, MTX_DEF);
  528                 callout_init (&d->timeout_handle,
  529                              cp_mpsafenet ? CALLOUT_MPSAFE : 0);
  530 #else /*NETGRAPH*/
  531                 d->ifp = if_alloc(IFT_PPP);
  532                 if (d->ifp == NULL) {
  533                         printf ("%s: cannot if_alloc() interface\n", d->name);
  534                         continue;
  535                 }
  536                 d->ifp->if_softc        = d;
  537                 if_initname (d->ifp, "cp", b->num * NCHAN + c->num);
  538                 d->ifp->if_mtu          = PP_MTU;
  539                 d->ifp->if_flags        = IFF_POINTOPOINT | IFF_MULTICAST;
  540                 if (!cp_mpsafenet)
  541                         d->ifp->if_flags |= IFF_NEEDSGIANT;
  542                 d->ifp->if_ioctl        = cp_sioctl;
  543                 d->ifp->if_start        = cp_ifstart;
  544                 d->ifp->if_watchdog     = cp_ifwatchdog;
  545                 d->ifp->if_init         = cp_initialize;
  546                 d->queue.ifq_maxlen     = NRBUF;
  547                 mtx_init (&d->queue.ifq_mtx, "cp_queue", NULL, MTX_DEF);
  548                 sppp_attach (d->ifp);
  549                 if_attach (d->ifp);
  550                 IFP2SP(d->ifp)->pp_tlf  = cp_tlf;
  551                 IFP2SP(d->ifp)->pp_tls  = cp_tls;
  552                 /* If BPF is in the kernel, call the attach for it.
  553                  * The header size of PPP or Cisco/HDLC is 4 bytes. */
  554                 bpfattach (d->ifp, DLT_PPP, 4);
  555 #endif /*NETGRAPH*/
  556                 cp_start_e1 (c);
  557                 cp_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys);
  558 
  559                 /* Register callback functions. */
  560                 cp_register_transmit (c, &cp_transmit);
  561                 cp_register_receive (c, &cp_receive);
  562                 cp_register_error (c, &cp_error);
  563                 d->devt = make_dev (&cp_cdevsw, b->num*NCHAN+c->num, UID_ROOT,
  564                                 GID_WHEEL, 0600, "cp%d", b->num*NCHAN+c->num);
  565         }
  566         CP_LOCK (bd);
  567         b->sys = bd;
  568         adapter[unit] = b;
  569         CP_UNLOCK (bd);
  570         splx (s);
  571         return 0;
  572 }
  573 
  574 static int cp_detach (device_t dev)
  575 {
  576         bdrv_t *bd = device_get_softc (dev);
  577         cp_board_t *b = bd->board;
  578         cp_chan_t *c;
  579         int s;
  580 
  581         KASSERT (mtx_initialized (&bd->cp_mtx), ("cp mutex not initialized"));
  582         s = splimp ();
  583         CP_LOCK (bd);
  584         /* Check if the device is busy (open). */
  585         for (c = b->chan; c < b->chan + NCHAN; ++c) {
  586                 drv_t *d = (drv_t*) c->sys;
  587 
  588                 if (! d || ! d->chan->type)
  589                         continue;
  590                 if (d->running) {
  591                         CP_UNLOCK (bd);
  592                         splx (s);
  593                         return EBUSY;
  594                 }
  595         }
  596 
  597         /* Ok, we can unload driver */
  598         /* At first we should stop all channels */
  599         for (c = b->chan; c < b->chan + NCHAN; ++c) {
  600                 drv_t *d = (drv_t*) c->sys;
  601 
  602                 if (! d || ! d->chan->type)
  603                         continue;
  604 
  605                 cp_stop_chan (c);
  606                 cp_stop_e1 (c);
  607                 cp_set_dtr (d->chan, 0);
  608                 cp_set_rts (d->chan, 0);
  609         }
  610 
  611         /* Reset the adapter. */
  612         cp_destroy = 1;
  613         cp_interrupt_poll (b, 1);
  614         cp_led_off (b);
  615         cp_reset (b, 0 ,0);
  616         callout_stop (&led_timo[b->num]);
  617 
  618         /* Disable the interrupt request. */
  619         bus_teardown_intr (dev, bd->cp_irq, bd->cp_intrhand);
  620 
  621         for (c=b->chan; c<b->chan+NCHAN; ++c) {
  622                 drv_t *d = (drv_t*) c->sys;
  623 
  624                 if (! d || ! d->chan->type)
  625                         continue;
  626 #ifndef NETGRAPH
  627                 /* Detach from the packet filter list of interfaces. */
  628                 bpfdetach (d->ifp);
  629 
  630                 /* Detach from the sync PPP list. */
  631                 sppp_detach (d->ifp);
  632 
  633                 /* Detach from the system list of interfaces. */
  634                 if_detach (d->ifp);
  635                 if_free (d->ifp);
  636                 IF_DRAIN (&d->queue);
  637                 mtx_destroy (&d->queue.ifq_mtx);
  638 #else
  639                 if (d->node) {
  640                         ng_rmnode_self (d->node);
  641                         NG_NODE_UNREF (d->node);
  642                         d->node = NULL;
  643                 }
  644                 mtx_destroy (&d->queue.ifq_mtx);
  645                 mtx_destroy (&d->hi_queue.ifq_mtx);
  646 #endif
  647                 destroy_dev (d->devt);
  648         }
  649 
  650         b->sys = NULL;
  651         CP_UNLOCK (bd);
  652 
  653         bus_release_resource (dev, SYS_RES_IRQ, 0, bd->cp_irq);
  654         bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->cp_res);
  655 
  656         CP_LOCK (bd);
  657         cp_led_off (b);
  658         CP_UNLOCK (bd);
  659         callout_drain (&led_timo[b->num]);
  660         splx (s);
  661 
  662         s = splimp ();
  663         for (c = b->chan; c < b->chan + NCHAN; ++c) {
  664                 drv_t *d = (drv_t*) c->sys;
  665 
  666                 if (! d || ! d->chan->type)
  667                         continue;
  668                 channel [b->num*NCHAN + c->num] = 0;
  669                 /* Deallocate buffers. */
  670                 cp_bus_dma_mem_free (&d->dmamem);
  671         }
  672         adapter [b->num] = 0;
  673         cp_bus_dma_mem_free (&bd->dmamem);
  674         free (b, M_DEVBUF);
  675         splx (s);
  676         mtx_destroy (&bd->cp_mtx);
  677         return 0;
  678 }
  679 
  680 #ifndef NETGRAPH
  681 static void cp_ifstart (struct ifnet *ifp)
  682 {
  683         drv_t *d = ifp->if_softc;
  684         bdrv_t *bd = d->board->sys;
  685 
  686         CP_LOCK (bd);
  687         cp_start (d);
  688         CP_UNLOCK (bd);
  689 }
  690 
  691 static void cp_ifwatchdog (struct ifnet *ifp)
  692 {
  693         drv_t *d = ifp->if_softc;
  694 
  695         cp_watchdog (d);
  696 }
  697 
  698 static void cp_tlf (struct sppp *sp)
  699 {
  700         drv_t *d = SP2IFP(sp)->if_softc;
  701 
  702         CP_DEBUG2 (d, ("cp_tlf\n"));
  703         /* XXXRIK: Don't forget to protect them by LOCK, or kill them. */
  704 /*      cp_set_dtr (d->chan, 0);*/
  705 /*      cp_set_rts (d->chan, 0);*/
  706         if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
  707                 sp->pp_down (sp);
  708 }
  709 
  710 static void cp_tls (struct sppp *sp)
  711 {
  712         drv_t *d = SP2IFP(sp)->if_softc;
  713 
  714         CP_DEBUG2 (d, ("cp_tls\n"));
  715         if (!(sp->pp_flags & PP_FR) && !(d->ifp->if_flags & PP_CISCO))
  716                 sp->pp_up (sp);
  717 }
  718 
  719 /*
  720  * Process an ioctl request.
  721  */
  722 static int cp_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
  723 {
  724         drv_t *d = ifp->if_softc;
  725         bdrv_t *bd = d->board->sys;
  726         int error, s, was_up, should_be_up;
  727 
  728         was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
  729         error = sppp_ioctl (ifp, cmd, data);
  730 
  731         if (error)
  732                 return error;
  733 
  734         if (! (ifp->if_flags & IFF_DEBUG))
  735                 d->chan->debug = 0;
  736         else
  737                 d->chan->debug = d->chan->debug_shadow;
  738 
  739         switch (cmd) {
  740         default:           CP_DEBUG2 (d, ("ioctl 0x%lx\n", cmd));   return 0;
  741         case SIOCADDMULTI: CP_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0;
  742         case SIOCDELMULTI: CP_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0;
  743         case SIOCSIFFLAGS: CP_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break;
  744         case SIOCSIFADDR:  CP_DEBUG2 (d, ("ioctl SIOCSIFADDR\n"));  break;
  745         }
  746 
  747         /* We get here only in case of SIFFLAGS or SIFADDR. */
  748         s = splimp ();
  749         CP_LOCK (bd);
  750         should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
  751         if (! was_up && should_be_up) {
  752                 /* Interface goes up -- start it. */
  753                 cp_up (d);
  754                 cp_start (d);
  755         } else if (was_up && ! should_be_up) {
  756                 /* Interface is going down -- stop it. */
  757 /*              if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
  758                 cp_down (d);
  759         }
  760         CP_DEBUG (d, ("ioctl 0x%lx p4\n", cmd));
  761         CP_UNLOCK (bd);
  762         splx (s);
  763         return 0;
  764 }
  765 
  766 /*
  767  * Initialization of interface.
  768  * It seems to be never called by upper level?
  769  */
  770 static void cp_initialize (void *softc)
  771 {
  772         drv_t *d = softc;
  773 
  774         CP_DEBUG (d, ("cp_initialize\n"));
  775 }
  776 #endif /*NETGRAPH*/
  777 
  778 /*
  779  * Stop the interface.  Called on splimp().
  780  */
  781 static void cp_down (drv_t *d)
  782 {
  783         CP_DEBUG (d, ("cp_down\n"));
  784         /* Interface is going down -- stop it. */
  785         cp_set_dtr (d->chan, 0);
  786         cp_set_rts (d->chan, 0);
  787 
  788         d->running = 0;
  789 }
  790 
  791 /*
  792  * Start the interface.  Called on splimp().
  793  */
  794 static void cp_up (drv_t *d)
  795 {
  796         CP_DEBUG (d, ("cp_up\n"));
  797         cp_set_dtr (d->chan, 1);
  798         cp_set_rts (d->chan, 1);
  799         d->running = 1;
  800 }
  801 
  802 /*
  803  * Start output on the interface.  Get another datagram to send
  804  * off of the interface queue, and copy it to the interface
  805  * before starting the output.
  806  */
  807 static void cp_send (drv_t *d)
  808 {
  809         struct mbuf *m;
  810         u_short len;
  811 
  812         CP_DEBUG2 (d, ("cp_send, tn=%d te=%d\n", d->chan->tn, d->chan->te));
  813 
  814         /* No output if the interface is down. */
  815         if (! d->running)
  816                 return;
  817 
  818         /* No output if the modem is off. */
  819         if (! (d->chan->lloop || d->chan->type != T_SERIAL ||
  820                 cp_get_dsr (d->chan)))
  821                 return;
  822 
  823         while (cp_transmit_space (d->chan)) {
  824                 /* Get the packet to send. */
  825 #ifdef NETGRAPH
  826                 IF_DEQUEUE (&d->hi_queue, m);
  827                 if (! m)
  828                         IF_DEQUEUE (&d->queue, m);
  829 #else
  830                 m = sppp_dequeue (d->ifp);
  831 #endif
  832                 if (! m)
  833                         return;
  834 #ifndef NETGRAPH
  835                 BPF_MTAP (d->ifp, m);
  836 #endif
  837                 len = m_length (m, NULL);
  838                 if (len >= BUFSZ)
  839                         printf ("%s: too long packet: %d bytes: ",
  840                                 d->name, len);
  841                 else if (! m->m_next)
  842                         cp_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0);
  843                 else {
  844                         u_char *buf = d->chan->tbuf[d->chan->te];
  845                         m_copydata (m, 0, len, buf);
  846                         cp_send_packet (d->chan, buf, len, 0);
  847                 }
  848                 m_freem (m);
  849                 /* Set up transmit timeout, if the transmit ring is not empty.*/
  850 #ifdef NETGRAPH
  851                 d->timeout = 10;
  852 #else
  853                 d->ifp->if_timer = 10;
  854 #endif
  855         }
  856 #ifndef NETGRAPH
  857         d->ifp->if_drv_flags |= IFF_DRV_OACTIVE;
  858 #endif
  859 }
  860 
  861 /*
  862  * Start output on the interface.
  863  * Always called on splimp().
  864  */
  865 static void cp_start (drv_t *d)
  866 {
  867         if (d->running) {
  868                 if (! d->chan->dtr)
  869                         cp_set_dtr (d->chan, 1);
  870                 if (! d->chan->rts)
  871                         cp_set_rts (d->chan, 1);
  872                 cp_send (d);
  873         }
  874 }
  875 
  876 /*
  877  * Handle transmit timeouts.
  878  * Recover after lost transmit interrupts.
  879  * Always called on splimp().
  880  */
  881 static void cp_watchdog (drv_t *d)
  882 {
  883         bdrv_t *bd = d->board->sys;
  884         CP_DEBUG (d, ("device timeout\n"));
  885         if (d->running) {
  886                 int s = splimp ();
  887 
  888                 CP_LOCK (bd);
  889                 cp_stop_chan (d->chan);
  890                 cp_stop_e1 (d->chan);
  891                 cp_start_e1 (d->chan);
  892                 cp_start_chan (d->chan, 1, 1, 0, 0);
  893                 cp_set_dtr (d->chan, 1);
  894                 cp_set_rts (d->chan, 1);
  895                 cp_start (d);
  896                 CP_UNLOCK (bd);
  897                 splx (s);
  898         }
  899 }
  900 
  901 static void cp_transmit (cp_chan_t *c, void *attachment, int len)
  902 {
  903         drv_t *d = c->sys;
  904 
  905 #ifdef NETGRAPH
  906         d->timeout = 0;
  907 #else
  908         ++d->ifp->if_opackets;
  909         d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
  910         d->ifp->if_timer = 0;
  911 #endif
  912         cp_start (d);
  913 }
  914 
  915 static void cp_receive (cp_chan_t *c, unsigned char *data, int len)
  916 {
  917         drv_t *d = c->sys;
  918         struct mbuf *m;
  919 #ifdef NETGRAPH
  920         int error;
  921 #endif
  922 
  923         if (! d->running)
  924                 return;
  925 
  926         m = makembuf (data, len);
  927         if (! m) {
  928                 CP_DEBUG (d, ("no memory for packet\n"));
  929 #ifndef NETGRAPH
  930                 ++d->ifp->if_iqdrops;
  931 #endif
  932                 return;
  933         }
  934         if (c->debug > 1)
  935                 printmbuf (m);
  936 #ifdef NETGRAPH
  937         m->m_pkthdr.rcvif = 0;
  938         NG_SEND_DATA_ONLY (error, d->hook, m);
  939 #else
  940         ++d->ifp->if_ipackets;
  941         m->m_pkthdr.rcvif = d->ifp;
  942         /* Check if there's a BPF listener on this interface.
  943          * If so, hand off the raw packet to bpf. */
  944         BPF_TAP (d->ifp, data, len);
  945         IF_ENQUEUE (&d->queue, m);
  946 #endif
  947 }
  948 
  949 static void cp_error (cp_chan_t *c, int data)
  950 {
  951         drv_t *d = c->sys;
  952 
  953         switch (data) {
  954         case CP_FRAME:
  955                 CP_DEBUG (d, ("frame error\n"));
  956 #ifndef NETGRAPH
  957                 ++d->ifp->if_ierrors;
  958 #endif
  959                 break;
  960         case CP_CRC:
  961                 CP_DEBUG (d, ("crc error\n"));
  962 #ifndef NETGRAPH
  963                 ++d->ifp->if_ierrors;
  964 #endif
  965                 break;
  966         case CP_OVERRUN:
  967                 CP_DEBUG (d, ("overrun error\n"));
  968 #ifndef NETGRAPH
  969                 ++d->ifp->if_collisions;
  970                 ++d->ifp->if_ierrors;
  971 #endif
  972                 break;
  973         case CP_OVERFLOW:
  974                 CP_DEBUG (d, ("overflow error\n"));
  975 #ifndef NETGRAPH
  976                 ++d->ifp->if_ierrors;
  977 #endif
  978                 break;
  979         case CP_UNDERRUN:
  980                 CP_DEBUG (d, ("underrun error\n"));
  981 #ifdef NETGRAPH
  982                 d->timeout = 0;
  983 #else
  984                 ++d->ifp->if_oerrors;
  985                 d->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
  986                 d->ifp->if_timer = 0;
  987 #endif
  988                 cp_start (d);
  989                 break;
  990         default:
  991                 CP_DEBUG (d, ("error #%d\n", data));
  992                 break;
  993         }
  994 }
  995 
  996 /*
  997  * You also need read, write, open, close routines.
  998  * This should get you started
  999  */
 1000 static int cp_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
 1001 {
 1002         int unit = minor (dev);
 1003         drv_t *d;
 1004 
 1005         if (unit >= NBRD*NCHAN || ! (d = channel[unit]))
 1006                 return ENXIO;
 1007         CP_DEBUG2 (d, ("cp_open\n"));
 1008         return 0;
 1009 }
 1010 
 1011 /*
 1012  * Only called on the LAST close.
 1013  */
 1014 static int cp_close (struct cdev *dev, int fflag, int devtype, struct thread *td)
 1015 {
 1016         drv_t *d = channel [minor (dev)];
 1017 
 1018         CP_DEBUG2 (d, ("cp_close\n"));
 1019         return 0;
 1020 }
 1021 
 1022 static int cp_modem_status (cp_chan_t *c)
 1023 {
 1024         drv_t *d = c->sys;
 1025         bdrv_t *bd = d->board->sys;
 1026         int status, s;
 1027 
 1028         status = d->running ? TIOCM_LE : 0;
 1029         s = splimp ();
 1030         CP_LOCK (bd);
 1031         if (cp_get_cd  (c)) status |= TIOCM_CD;
 1032         if (cp_get_cts (c)) status |= TIOCM_CTS;
 1033         if (cp_get_dsr (c)) status |= TIOCM_DSR;
 1034         if (c->dtr)         status |= TIOCM_DTR;
 1035         if (c->rts)         status |= TIOCM_RTS;
 1036         CP_UNLOCK (bd);
 1037         splx (s);
 1038         return status;
 1039 }
 1040 
 1041 static int cp_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
 1042 {
 1043         drv_t *d = channel [minor (dev)];
 1044         bdrv_t *bd = d->board->sys;
 1045         cp_chan_t *c = d->chan;
 1046         struct serial_statistics *st;
 1047         struct e1_statistics *opte1;
 1048         struct e3_statistics *opte3;
 1049         int error, s;
 1050         char mask[16];
 1051 
 1052         switch (cmd) {
 1053         case SERIAL_GETREGISTERED:
 1054                 CP_DEBUG2 (d, ("ioctl: getregistered\n"));
 1055                 bzero (mask, sizeof(mask));
 1056                 for (s=0; s<NBRD*NCHAN; ++s)
 1057                         if (channel [s])
 1058                                 mask [s/8] |= 1 << (s & 7);
 1059                 bcopy (mask, data, sizeof (mask));
 1060                 return 0;
 1061 
 1062 #ifndef NETGRAPH
 1063         case SERIAL_GETPROTO:
 1064                 CP_DEBUG2 (d, ("ioctl: getproto\n"));
 1065                 strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" :
 1066                         (d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp");
 1067                 return 0;
 1068 
 1069         case SERIAL_SETPROTO:
 1070                 CP_DEBUG2 (d, ("ioctl: setproto\n"));
 1071                 /* Only for superuser! */
 1072                 error = priv_check (td, PRIV_DRIVER);
 1073                 if (error)
 1074                         return error;
 1075                 if (d->ifp->if_drv_flags & IFF_DRV_RUNNING)
 1076                         return EBUSY;
 1077                 if (! strcmp ("cisco", (char*)data)) {
 1078                         IFP2SP(d->ifp)->pp_flags &= ~(PP_FR);
 1079                         IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
 1080                         d->ifp->if_flags |= PP_CISCO;
 1081                 } else if (! strcmp ("fr", (char*)data) && PP_FR) {
 1082                         d->ifp->if_flags &= ~(PP_CISCO);
 1083                         IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
 1084                 } else if (! strcmp ("ppp", (char*)data)) {
 1085                         IFP2SP(d->ifp)->pp_flags &= ~PP_FR;
 1086                         IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
 1087                         d->ifp->if_flags &= ~(PP_CISCO);
 1088                 } else
 1089                         return EINVAL;
 1090                 return 0;
 1091 
 1092         case SERIAL_GETKEEPALIVE:
 1093                 CP_DEBUG2 (d, ("ioctl: getkeepalive\n"));
 1094                 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
 1095                         (d->ifp->if_flags & PP_CISCO))
 1096                         return EINVAL;
 1097                 *(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
 1098                 return 0;
 1099 
 1100         case SERIAL_SETKEEPALIVE:
 1101                 CP_DEBUG2 (d, ("ioctl: setkeepalive\n"));
 1102                 /* Only for superuser! */
 1103                 error = priv_check (td, PRIV_DRIVER);
 1104                 if (error)
 1105                         return error;
 1106                 if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
 1107                         (d->ifp->if_flags & PP_CISCO))
 1108                         return EINVAL;
 1109                 s = splimp ();
 1110                 CP_LOCK (bd);
 1111                 if (*(int*)data)
 1112                         IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
 1113                 else
 1114                         IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
 1115                 CP_UNLOCK (bd);
 1116                 splx (s);
 1117                 return 0;
 1118 #endif /*NETGRAPH*/
 1119 
 1120         case SERIAL_GETMODE:
 1121                 CP_DEBUG2 (d, ("ioctl: getmode\n"));
 1122                 *(int*)data = SERIAL_HDLC;
 1123                 return 0;
 1124 
 1125         case SERIAL_SETMODE:
 1126                 /* Only for superuser! */
 1127                 error = priv_check (td, PRIV_DRIVER);
 1128                 if (error)
 1129                         return error;
 1130                 if (*(int*)data != SERIAL_HDLC)
 1131                         return EINVAL;
 1132                 return 0;
 1133 
 1134         case SERIAL_GETCFG:
 1135                 CP_DEBUG2 (d, ("ioctl: getcfg\n"));
 1136                 if (c->type != T_E1 || c->unfram)
 1137                         return EINVAL;
 1138                 *(char*)data = c->board->mux ? 'c' : 'a';
 1139                 return 0;
 1140 
 1141         case SERIAL_SETCFG:
 1142                 CP_DEBUG2 (d, ("ioctl: setcfg\n"));
 1143                 error = priv_check (td, PRIV_DRIVER);
 1144                 if (error)
 1145                         return error;
 1146                 if (c->type != T_E1)
 1147                         return EINVAL;
 1148                 s = splimp ();
 1149                 CP_LOCK (bd);
 1150                 cp_set_mux (c->board, *((char*)data) == 'c');
 1151                 CP_UNLOCK (bd);
 1152                 splx (s);
 1153                 return 0;
 1154 
 1155         case SERIAL_GETSTAT:
 1156                 CP_DEBUG2 (d, ("ioctl: getstat\n"));
 1157                 st = (struct serial_statistics*) data;
 1158                 st->rintr  = c->rintr;
 1159                 st->tintr  = c->tintr;
 1160                 st->mintr  = 0;
 1161                 st->ibytes = c->ibytes;
 1162                 st->ipkts  = c->ipkts;
 1163                 st->obytes = c->obytes;
 1164                 st->opkts  = c->opkts;
 1165                 st->ierrs  = c->overrun + c->frame + c->crc;
 1166                 st->oerrs  = c->underrun;
 1167                 return 0;
 1168 
 1169         case SERIAL_GETESTAT:
 1170                 CP_DEBUG2 (d, ("ioctl: getestat\n"));
 1171                 if (c->type != T_E1 && c->type != T_G703)
 1172                         return EINVAL;
 1173                 opte1 = (struct e1_statistics*) data;
 1174                 opte1->status       = c->status;
 1175                 opte1->cursec       = c->cursec;
 1176                 opte1->totsec       = c->totsec + c->cursec;
 1177 
 1178                 opte1->currnt.bpv   = c->currnt.bpv;
 1179                 opte1->currnt.fse   = c->currnt.fse;
 1180                 opte1->currnt.crce  = c->currnt.crce;
 1181                 opte1->currnt.rcrce = c->currnt.rcrce;
 1182                 opte1->currnt.uas   = c->currnt.uas;
 1183                 opte1->currnt.les   = c->currnt.les;
 1184                 opte1->currnt.es    = c->currnt.es;
 1185                 opte1->currnt.bes   = c->currnt.bes;
 1186                 opte1->currnt.ses   = c->currnt.ses;
 1187                 opte1->currnt.oofs  = c->currnt.oofs;
 1188                 opte1->currnt.css   = c->currnt.css;
 1189                 opte1->currnt.dm    = c->currnt.dm;
 1190 
 1191                 opte1->total.bpv    = c->total.bpv   + c->currnt.bpv;
 1192                 opte1->total.fse    = c->total.fse   + c->currnt.fse;
 1193                 opte1->total.crce   = c->total.crce  + c->currnt.crce;
 1194                 opte1->total.rcrce  = c->total.rcrce + c->currnt.rcrce;
 1195                 opte1->total.uas    = c->total.uas   + c->currnt.uas;
 1196                 opte1->total.les    = c->total.les   + c->currnt.les;
 1197                 opte1->total.es     = c->total.es    + c->currnt.es;
 1198                 opte1->total.bes    = c->total.bes   + c->currnt.bes;
 1199                 opte1->total.ses    = c->total.ses   + c->currnt.ses;
 1200                 opte1->total.oofs   = c->total.oofs  + c->currnt.oofs;
 1201                 opte1->total.css    = c->total.css   + c->currnt.css;
 1202                 opte1->total.dm     = c->total.dm    + c->currnt.dm;
 1203                 for (s=0; s<48; ++s) {
 1204                         opte1->interval[s].bpv   = c->interval[s].bpv;
 1205                         opte1->interval[s].fse   = c->interval[s].fse;
 1206                         opte1->interval[s].crce  = c->interval[s].crce;
 1207                         opte1->interval[s].rcrce = c->interval[s].rcrce;
 1208                         opte1->interval[s].uas   = c->interval[s].uas;
 1209                         opte1->interval[s].les   = c->interval[s].les;
 1210                         opte1->interval[s].es    = c->interval[s].es;
 1211                         opte1->interval[s].bes   = c->interval[s].bes;
 1212                         opte1->interval[s].ses   = c->interval[s].ses;
 1213                         opte1->interval[s].oofs  = c->interval[s].oofs;
 1214                         opte1->interval[s].css   = c->interval[s].css;
 1215                         opte1->interval[s].dm    = c->interval[s].dm;
 1216                 }
 1217                 return 0;
 1218 
 1219         case SERIAL_GETE3STAT:
 1220                 CP_DEBUG2 (d, ("ioctl: gete3stat\n"));
 1221                 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1)
 1222                         return EINVAL;
 1223                 opte3 = (struct e3_statistics*) data;
 1224 
 1225                 opte3->status = c->e3status;
 1226                 opte3->cursec = (c->e3csec_5 * 2 + 1) / 10;
 1227                 opte3->totsec = c->e3tsec + opte3->cursec;
 1228 
 1229                 opte3->ccv = c->e3ccv;
 1230                 opte3->tcv = c->e3tcv + opte3->ccv;
 1231 
 1232                 for (s = 0; s < 48; ++s) {
 1233                         opte3->icv[s] = c->e3icv[s];
 1234                 }
 1235                 return 0;
 1236                 
 1237         case SERIAL_CLRSTAT:
 1238                 CP_DEBUG2 (d, ("ioctl: clrstat\n"));
 1239                 /* Only for superuser! */
 1240                 error = priv_check (td, PRIV_DRIVER);
 1241                 if (error)
 1242                         return error;
 1243                 c->rintr    = 0;
 1244                 c->tintr    = 0;
 1245                 c->ibytes   = 0;
 1246                 c->obytes   = 0;
 1247                 c->ipkts    = 0;
 1248                 c->opkts    = 0;
 1249                 c->overrun  = 0;
 1250                 c->frame    = 0;
 1251                 c->crc      = 0;
 1252                 c->underrun = 0;
 1253                 bzero (&c->currnt, sizeof (c->currnt));
 1254                 bzero (&c->total, sizeof (c->total));
 1255                 bzero (c->interval, sizeof (c->interval));
 1256                 c->e3ccv    = 0;
 1257                 c->e3tcv    = 0;
 1258                 bzero (c->e3icv, sizeof (c->e3icv));
 1259                 return 0;
 1260 
 1261         case SERIAL_GETBAUD:
 1262                 CP_DEBUG2 (d, ("ioctl: getbaud\n"));
 1263                 *(long*)data = c->baud;
 1264                 return 0;
 1265 
 1266         case SERIAL_SETBAUD:
 1267                 CP_DEBUG2 (d, ("ioctl: setbaud\n"));
 1268                 /* Only for superuser! */
 1269                 error = priv_check (td, PRIV_DRIVER);
 1270                 if (error)
 1271                         return error;
 1272                 s = splimp ();
 1273                 CP_LOCK (bd);
 1274                 cp_set_baud (c, *(long*)data);
 1275                 CP_UNLOCK (bd);
 1276                 splx (s);
 1277                 return 0;
 1278 
 1279         case SERIAL_GETLOOP:
 1280                 CP_DEBUG2 (d, ("ioctl: getloop\n"));
 1281                 *(int*)data = c->lloop;
 1282                 return 0;
 1283 
 1284         case SERIAL_SETLOOP:
 1285                 CP_DEBUG2 (d, ("ioctl: setloop\n"));
 1286                 /* Only for superuser! */
 1287                 error = priv_check (td, PRIV_DRIVER);
 1288                 if (error)
 1289                         return error;
 1290                 s = splimp ();
 1291                 CP_LOCK (bd);
 1292                 cp_set_lloop (c, *(int*)data);
 1293                 CP_UNLOCK (bd);
 1294                 splx (s);
 1295                 return 0;
 1296 
 1297         case SERIAL_GETDPLL:
 1298                 CP_DEBUG2 (d, ("ioctl: getdpll\n"));
 1299                 if (c->type != T_SERIAL)
 1300                         return EINVAL;
 1301                 *(int*)data = c->dpll;
 1302                 return 0;
 1303 
 1304         case SERIAL_SETDPLL:
 1305                 CP_DEBUG2 (d, ("ioctl: setdpll\n"));
 1306                 /* Only for superuser! */
 1307                 error = priv_check (td, PRIV_DRIVER);
 1308                 if (error)
 1309                         return error;
 1310                 if (c->type != T_SERIAL)
 1311                         return EINVAL;
 1312                 s = splimp ();
 1313                 CP_LOCK (bd);
 1314                 cp_set_dpll (c, *(int*)data);
 1315                 CP_UNLOCK (bd);
 1316                 splx (s);
 1317                 return 0;
 1318 
 1319         case SERIAL_GETNRZI:
 1320                 CP_DEBUG2 (d, ("ioctl: getnrzi\n"));
 1321                 if (c->type != T_SERIAL)
 1322                         return EINVAL;
 1323                 *(int*)data = c->nrzi;
 1324                 return 0;
 1325 
 1326         case SERIAL_SETNRZI:
 1327                 CP_DEBUG2 (d, ("ioctl: setnrzi\n"));
 1328                 /* Only for superuser! */
 1329                 error = priv_check (td, PRIV_DRIVER);
 1330                 if (error)
 1331                         return error;
 1332                 if (c->type != T_SERIAL)
 1333                         return EINVAL;
 1334                 s = splimp ();
 1335                 CP_LOCK (bd);
 1336                 cp_set_nrzi (c, *(int*)data);
 1337                 CP_UNLOCK (bd);
 1338                 splx (s);
 1339                 return 0;
 1340 
 1341         case SERIAL_GETDEBUG:
 1342                 CP_DEBUG2 (d, ("ioctl: getdebug\n"));
 1343                 *(int*)data = d->chan->debug;
 1344                 return 0;
 1345 
 1346         case SERIAL_SETDEBUG:
 1347                 CP_DEBUG2 (d, ("ioctl: setdebug\n"));
 1348                 /* Only for superuser! */
 1349                 error = priv_check (td, PRIV_DRIVER);
 1350                 if (error)
 1351                         return error;
 1352 #ifndef NETGRAPH
 1353                 /*
 1354                  * The debug_shadow is always greater than zero for logic 
 1355                  * simplicity.  For switching debug off the IFF_DEBUG is
 1356                  * responsible.
 1357                  */
 1358                 d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
 1359                 if (d->ifp->if_flags & IFF_DEBUG)
 1360                         d->chan->debug = d->chan->debug_shadow;
 1361 #else
 1362                 d->chan->debug = *(int*)data;
 1363 #endif
 1364                 return 0;
 1365 
 1366         case SERIAL_GETHIGAIN:
 1367                 CP_DEBUG2 (d, ("ioctl: gethigain\n"));
 1368                 if (c->type != T_E1)
 1369                         return EINVAL;
 1370                 *(int*)data = c->higain;
 1371                 return 0;
 1372 
 1373         case SERIAL_SETHIGAIN:
 1374                 CP_DEBUG2 (d, ("ioctl: sethigain\n"));
 1375                 /* Only for superuser! */
 1376                 error = priv_check (td, PRIV_DRIVER);
 1377                 if (error)
 1378                         return error;
 1379                 if (c->type != T_E1)
 1380                         return EINVAL;
 1381                 s = splimp ();
 1382                 CP_LOCK (bd);
 1383                 cp_set_higain (c, *(int*)data);
 1384                 CP_UNLOCK (bd);
 1385                 splx (s);
 1386                 return 0;
 1387 
 1388         case SERIAL_GETPHONY:
 1389                 CP_DEBUG2 (d, ("ioctl: getphony\n"));
 1390                 if (c->type != T_E1)
 1391                         return EINVAL;
 1392                 *(int*)data = c->phony;
 1393                 return 0;
 1394 
 1395         case SERIAL_SETPHONY:
 1396                 CP_DEBUG2 (d, ("ioctl: setphony\n"));
 1397                 /* Only for superuser! */
 1398                 error = priv_check (td, PRIV_DRIVER);
 1399                 if (error)
 1400                         return error;
 1401                 if (c->type != T_E1)
 1402                         return EINVAL;
 1403                 s = splimp ();
 1404                 CP_LOCK (bd);
 1405                 cp_set_phony (c, *(int*)data);
 1406                 CP_UNLOCK (bd);
 1407                 splx (s);
 1408                 return 0;
 1409 
 1410         case SERIAL_GETUNFRAM:
 1411                 CP_DEBUG2 (d, ("ioctl: getunfram\n"));
 1412                 if (c->type != T_E1)
 1413                         return EINVAL;
 1414                 *(int*)data = c->unfram;
 1415                 return 0;
 1416 
 1417         case SERIAL_SETUNFRAM:
 1418                 CP_DEBUG2 (d, ("ioctl: setunfram\n"));
 1419                 /* Only for superuser! */
 1420                 error = priv_check (td, PRIV_DRIVER);
 1421                 if (error)
 1422                         return error;
 1423                 if (c->type != T_E1)
 1424                         return EINVAL;
 1425                 s = splimp ();
 1426                 CP_LOCK (bd);
 1427                 cp_set_unfram (c, *(int*)data);
 1428                 CP_UNLOCK (bd);
 1429                 splx (s);
 1430                 return 0;
 1431 
 1432         case SERIAL_GETSCRAMBLER:
 1433                 CP_DEBUG2 (d, ("ioctl: getscrambler\n"));
 1434                 if (c->type != T_G703 && !c->unfram)
 1435                         return EINVAL;
 1436                 *(int*)data = c->scrambler;
 1437                 return 0;
 1438 
 1439         case SERIAL_SETSCRAMBLER:
 1440                 CP_DEBUG2 (d, ("ioctl: setscrambler\n"));
 1441                 /* Only for superuser! */
 1442                 error = priv_check (td, PRIV_DRIVER);
 1443                 if (error)
 1444                         return error;
 1445                 if (c->type != T_G703 && !c->unfram)
 1446                         return EINVAL;
 1447                 s = splimp ();
 1448                 CP_LOCK (bd);
 1449                 cp_set_scrambler (c, *(int*)data);
 1450                 CP_UNLOCK (bd);
 1451                 splx (s);
 1452                 return 0;
 1453 
 1454         case SERIAL_GETMONITOR:
 1455                 CP_DEBUG2 (d, ("ioctl: getmonitor\n"));
 1456                 if (c->type != T_E1 &&
 1457                     c->type != T_E3 &&
 1458                     c->type != T_T3 &&
 1459                     c->type != T_STS1)
 1460                         return EINVAL;
 1461                 *(int*)data = c->monitor;
 1462                 return 0;
 1463 
 1464         case SERIAL_SETMONITOR:
 1465                 CP_DEBUG2 (d, ("ioctl: setmonitor\n"));
 1466                 /* Only for superuser! */
 1467                 error = priv_check (td, PRIV_DRIVER);
 1468                 if (error)
 1469                         return error;
 1470                 if (c->type != T_E1)
 1471                         return EINVAL;
 1472                 s = splimp ();
 1473                 CP_LOCK (bd);
 1474                 cp_set_monitor (c, *(int*)data);
 1475                 CP_UNLOCK (bd);
 1476                 splx (s);
 1477                 return 0;
 1478 
 1479         case SERIAL_GETUSE16:
 1480                 CP_DEBUG2 (d, ("ioctl: getuse16\n"));
 1481                 if (c->type != T_E1 || c->unfram)
 1482                         return EINVAL;
 1483                 *(int*)data = c->use16;
 1484                 return 0;
 1485 
 1486         case SERIAL_SETUSE16:
 1487                 CP_DEBUG2 (d, ("ioctl: setuse16\n"));
 1488                 /* Only for superuser! */
 1489                 error = priv_check (td, PRIV_DRIVER);
 1490                 if (error)
 1491                         return error;
 1492                 if (c->type != T_E1)
 1493                         return EINVAL;
 1494                 s = splimp ();
 1495                 CP_LOCK (bd);
 1496                 cp_set_use16 (c, *(int*)data);
 1497                 CP_UNLOCK (bd);
 1498                 splx (s);
 1499                 return 0;
 1500 
 1501         case SERIAL_GETCRC4:
 1502                 CP_DEBUG2 (d, ("ioctl: getcrc4\n"));
 1503                 if (c->type != T_E1 || c->unfram)
 1504                         return EINVAL;
 1505                 *(int*)data = c->crc4;
 1506                 return 0;
 1507 
 1508         case SERIAL_SETCRC4:
 1509                 CP_DEBUG2 (d, ("ioctl: setcrc4\n"));
 1510                 /* Only for superuser! */
 1511                 error = priv_check (td, PRIV_DRIVER);
 1512                 if (error)
 1513                         return error;
 1514                 if (c->type != T_E1)
 1515                         return EINVAL;
 1516                 s = splimp ();
 1517                 CP_LOCK (bd);
 1518                 cp_set_crc4 (c, *(int*)data);
 1519                 CP_UNLOCK (bd);
 1520                 splx (s);
 1521                 return 0;
 1522 
 1523         case SERIAL_GETCLK:
 1524                 CP_DEBUG2 (d, ("ioctl: getclk\n"));
 1525                 if (c->type != T_E1 &&
 1526                     c->type != T_G703 &&
 1527                     c->type != T_E3 &&
 1528                     c->type != T_T3 &&
 1529                     c->type != T_STS1)
 1530                         return EINVAL;
 1531                 switch (c->gsyn) {
 1532                 default:        *(int*)data = E1CLK_INTERNAL;           break;
 1533                 case GSYN_RCV:  *(int*)data = E1CLK_RECEIVE;            break;
 1534                 case GSYN_RCV0: *(int*)data = E1CLK_RECEIVE_CHAN0;      break;
 1535                 case GSYN_RCV1: *(int*)data = E1CLK_RECEIVE_CHAN1;      break;
 1536                 case GSYN_RCV2: *(int*)data = E1CLK_RECEIVE_CHAN2;      break;
 1537                 case GSYN_RCV3: *(int*)data = E1CLK_RECEIVE_CHAN3;      break;
 1538                 }
 1539                 return 0;
 1540 
 1541         case SERIAL_SETCLK:
 1542                 CP_DEBUG2 (d, ("ioctl: setclk\n"));
 1543                 /* Only for superuser! */
 1544                 error = priv_check (td, PRIV_DRIVER);
 1545                 if (error)
 1546                         return error;
 1547                 if (c->type != T_E1 &&
 1548                     c->type != T_G703 &&
 1549                     c->type != T_E3 &&
 1550                     c->type != T_T3 &&
 1551                     c->type != T_STS1)
 1552                         return EINVAL;
 1553                 s = splimp ();
 1554                 CP_LOCK (bd);
 1555                 switch (*(int*)data) {
 1556                 default:                  cp_set_gsyn (c, GSYN_INT);  break;
 1557                 case E1CLK_RECEIVE:       cp_set_gsyn (c, GSYN_RCV);  break;
 1558                 case E1CLK_RECEIVE_CHAN0: cp_set_gsyn (c, GSYN_RCV0); break;
 1559                 case E1CLK_RECEIVE_CHAN1: cp_set_gsyn (c, GSYN_RCV1); break;
 1560                 case E1CLK_RECEIVE_CHAN2: cp_set_gsyn (c, GSYN_RCV2); break;
 1561                 case E1CLK_RECEIVE_CHAN3: cp_set_gsyn (c, GSYN_RCV3); break;
 1562                 }
 1563                 CP_UNLOCK (bd);
 1564                 splx (s);
 1565                 return 0;
 1566 
 1567         case SERIAL_GETTIMESLOTS:
 1568                 CP_DEBUG2 (d, ("ioctl: gettimeslots\n"));
 1569                 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
 1570                         return EINVAL;
 1571                 *(u_long*)data = c->ts;
 1572                 return 0;
 1573 
 1574         case SERIAL_SETTIMESLOTS:
 1575                 CP_DEBUG2 (d, ("ioctl: settimeslots\n"));
 1576                 /* Only for superuser! */
 1577                 error = priv_check (td, PRIV_DRIVER);
 1578                 if (error)
 1579                         return error;
 1580                 if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
 1581                         return EINVAL;
 1582                 s = splimp ();
 1583                 CP_LOCK (bd);
 1584                 cp_set_ts (c, *(u_long*)data);
 1585                 CP_UNLOCK (bd);
 1586                 splx (s);
 1587                 return 0;
 1588 
 1589         case SERIAL_GETINVCLK:
 1590                 CP_DEBUG2 (d, ("ioctl: getinvclk\n"));
 1591 #if 1
 1592                 return EINVAL;
 1593 #else
 1594                 if (c->type != T_SERIAL)
 1595                         return EINVAL;
 1596                 *(int*)data = c->invtxc;
 1597                 return 0;
 1598 #endif
 1599 
 1600         case SERIAL_SETINVCLK:
 1601                 CP_DEBUG2 (d, ("ioctl: setinvclk\n"));
 1602                 /* Only for superuser! */
 1603                 error = priv_check (td, PRIV_DRIVER);
 1604                 if (error)
 1605                         return error;
 1606                 if (c->type != T_SERIAL)
 1607                         return EINVAL;
 1608                 s = splimp ();
 1609                 CP_LOCK (bd);
 1610                 cp_set_invtxc (c, *(int*)data);
 1611                 cp_set_invrxc (c, *(int*)data);
 1612                 CP_UNLOCK (bd);
 1613                 splx (s);
 1614                 return 0;
 1615 
 1616         case SERIAL_GETINVTCLK:
 1617                 CP_DEBUG2 (d, ("ioctl: getinvtclk\n"));
 1618                 if (c->type != T_SERIAL)
 1619                         return EINVAL;
 1620                 *(int*)data = c->invtxc;
 1621                 return 0;
 1622 
 1623         case SERIAL_SETINVTCLK:
 1624                 CP_DEBUG2 (d, ("ioctl: setinvtclk\n"));
 1625                 /* Only for superuser! */
 1626                 error = priv_check (td, PRIV_DRIVER);
 1627                 if (error)
 1628                         return error;
 1629                 if (c->type != T_SERIAL)
 1630                         return EINVAL;
 1631                 s = splimp ();
 1632                 CP_LOCK (bd);
 1633                 cp_set_invtxc (c, *(int*)data);
 1634                 CP_UNLOCK (bd);
 1635                 splx (s);
 1636                 return 0;
 1637 
 1638         case SERIAL_GETINVRCLK:
 1639                 CP_DEBUG2 (d, ("ioctl: getinvrclk\n"));
 1640                 if (c->type != T_SERIAL)
 1641                         return EINVAL;
 1642                 *(int*)data = c->invrxc;
 1643                 return 0;
 1644 
 1645         case SERIAL_SETINVRCLK:
 1646                 CP_DEBUG2 (d, ("ioctl: setinvrclk\n"));
 1647                 /* Only for superuser! */
 1648                 error = priv_check (td, PRIV_DRIVER);
 1649                 if (error)
 1650                         return error;
 1651                 if (c->type != T_SERIAL)
 1652                         return EINVAL;
 1653                 s = splimp ();
 1654                 CP_LOCK (bd);
 1655                 cp_set_invrxc (c, *(int*)data);
 1656                 CP_UNLOCK (bd);
 1657                 splx (s);
 1658                 return 0;
 1659 
 1660         case SERIAL_GETLEVEL:
 1661                 CP_DEBUG2 (d, ("ioctl: getlevel\n"));
 1662                 if (c->type != T_G703)
 1663                         return EINVAL;
 1664                 s = splimp ();
 1665                 CP_LOCK (bd);
 1666                 *(int*)data = cp_get_lq (c);
 1667                 CP_UNLOCK (bd);
 1668                 splx (s);
 1669                 return 0;
 1670 
 1671 #if 0
 1672         case SERIAL_RESET:
 1673                 CP_DEBUG2 (d, ("ioctl: reset\n"));
 1674                 /* Only for superuser! */
 1675                 error = priv_check (td, PRIV_DRIVER);
 1676                 if (error)
 1677                         return error;
 1678                 s = splimp ();
 1679                 CP_LOCK (bd);
 1680                 cp_reset (c->board, 0, 0);
 1681                 CP_UNLOCK (bd);
 1682                 splx (s);
 1683                 return 0;
 1684 
 1685         case SERIAL_HARDRESET:
 1686                 CP_DEBUG2 (d, ("ioctl: hardreset\n"));
 1687                 /* Only for superuser! */
 1688                 error = priv_check (td, PRIV_DRIVER);
 1689                 if (error)
 1690                         return error;
 1691                 s = splimp ();
 1692                 CP_LOCK (bd);
 1693                 /* hard_reset (c->board); */
 1694                 CP_UNLOCK (bd);
 1695                 splx (s);
 1696                 return 0;
 1697 #endif
 1698 
 1699         case SERIAL_GETCABLE:
 1700                 CP_DEBUG2 (d, ("ioctl: getcable\n"));
 1701                 if (c->type != T_SERIAL)
 1702                         return EINVAL;
 1703                 s = splimp ();
 1704                 CP_LOCK (bd);
 1705                 *(int*)data = cp_get_cable (c);
 1706                 CP_UNLOCK (bd);
 1707                 splx (s);
 1708                 return 0;
 1709 
 1710         case SERIAL_GETDIR:
 1711                 CP_DEBUG2 (d, ("ioctl: getdir\n"));
 1712                 if (c->type != T_E1 && c->type != T_DATA)
 1713                         return EINVAL;
 1714                 *(int*)data = c->dir;
 1715                 return 0;
 1716 
 1717         case SERIAL_SETDIR:
 1718                 CP_DEBUG2 (d, ("ioctl: setdir\n"));
 1719                 /* Only for superuser! */
 1720                 error = priv_check (td, PRIV_DRIVER);
 1721                 if (error)
 1722                         return error;
 1723                 s = splimp ();
 1724                 CP_LOCK (bd);
 1725                 cp_set_dir (c, *(int*)data);
 1726                 CP_UNLOCK (bd);
 1727                 splx (s);
 1728                 return 0;
 1729 
 1730         case SERIAL_GETRLOOP:
 1731                 CP_DEBUG2 (d, ("ioctl: getrloop\n"));
 1732                 if (c->type != T_G703 &&
 1733                     c->type != T_E3 &&
 1734                     c->type != T_T3 &&
 1735                     c->type != T_STS1)
 1736                         return EINVAL;
 1737                 *(int*)data = cp_get_rloop (c);
 1738                 return 0;
 1739 
 1740         case SERIAL_SETRLOOP:
 1741                 CP_DEBUG2 (d, ("ioctl: setloop\n"));
 1742                 if (c->type != T_E3 && c->type != T_T3 && c->type != T_STS1)
 1743                         return EINVAL;
 1744                 /* Only for superuser! */
 1745                 error = priv_check (td, PRIV_DRIVER);
 1746                 if (error)
 1747                         return error;
 1748                 s = splimp ();
 1749                 CP_LOCK (bd);
 1750                 cp_set_rloop (c, *(int*)data);
 1751                 CP_UNLOCK (bd);
 1752                 splx (s);
 1753                 return 0;
 1754 
 1755         case SERIAL_GETCABLEN:
 1756                 CP_DEBUG2 (d, ("ioctl: getcablen\n"));
 1757                 if (c->type != T_T3 && c->type != T_STS1)
 1758                         return EINVAL;
 1759                 *(int*)data = c->cablen;
 1760                 return 0;
 1761 
 1762         case SERIAL_SETCABLEN:
 1763                 CP_DEBUG2 (d, ("ioctl: setloop\n"));
 1764                 if (c->type != T_T3 && c->type != T_STS1)
 1765                         return EINVAL;
 1766                 /* Only for superuser! */
 1767                 error = priv_check (td, PRIV_DRIVER);
 1768                 if (error)
 1769                         return error;
 1770                 s = splimp ();
 1771                 CP_LOCK (bd);
 1772                 cp_set_cablen (c, *(int*)data);
 1773                 CP_UNLOCK (bd);
 1774                 splx (s);
 1775                 return 0;
 1776 
 1777         case TIOCSDTR:  /* Set DTR */
 1778                 s = splimp ();
 1779                 CP_LOCK (bd);
 1780                 cp_set_dtr (c, 1);
 1781                 CP_UNLOCK (bd);
 1782                 splx (s);
 1783                 return 0;
 1784 
 1785         case TIOCCDTR:  /* Clear DTR */
 1786                 s = splimp ();
 1787                 CP_LOCK (bd);
 1788                 cp_set_dtr (c, 0);
 1789                 CP_UNLOCK (bd);
 1790                 splx (s);
 1791                 return 0;
 1792 
 1793         case TIOCMSET:  /* Set DTR/RTS */
 1794                 s = splimp ();
 1795                 CP_LOCK (bd);
 1796                 cp_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
 1797                 cp_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
 1798                 CP_UNLOCK (bd);
 1799                 splx (s);
 1800                 return 0;
 1801 
 1802         case TIOCMBIS:  /* Add DTR/RTS */
 1803                 s = splimp ();
 1804                 CP_LOCK (bd);
 1805                 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 1);
 1806                 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 1);
 1807                 CP_UNLOCK (bd);
 1808                 splx (s);
 1809                 return 0;
 1810 
 1811         case TIOCMBIC:  /* Clear DTR/RTS */
 1812                 s = splimp ();
 1813                 CP_LOCK (bd);
 1814                 if (*(int*)data & TIOCM_DTR) cp_set_dtr (c, 0);
 1815                 if (*(int*)data & TIOCM_RTS) cp_set_rts (c, 0);
 1816                 CP_UNLOCK (bd);
 1817                 splx (s);
 1818                 return 0;
 1819 
 1820         case TIOCMGET:  /* Get modem status */
 1821                 *(int*)data = cp_modem_status (c);
 1822                 return 0;
 1823         }
 1824         return ENOTTY;
 1825 }
 1826 
 1827 #ifdef NETGRAPH
 1828 static int ng_cp_constructor (node_p node)
 1829 {
 1830         drv_t *d = NG_NODE_PRIVATE (node);
 1831         CP_DEBUG (d, ("Constructor\n"));
 1832         return EINVAL;
 1833 }
 1834 
 1835 static int ng_cp_newhook (node_p node, hook_p hook, const char *name)
 1836 {
 1837         int s;
 1838         drv_t *d = NG_NODE_PRIVATE (node);
 1839         bdrv_t *bd = d->board->sys;
 1840 
 1841         CP_DEBUG (d, ("Newhook\n"));
 1842         /* Attach debug hook */
 1843         if (strcmp (name, NG_CP_HOOK_DEBUG) == 0) {
 1844                 NG_HOOK_SET_PRIVATE (hook, NULL);
 1845                 d->debug_hook = hook;
 1846                 return 0;
 1847         }
 1848 
 1849         /* Check for raw hook */
 1850         if (strcmp (name, NG_CP_HOOK_RAW) != 0)
 1851                 return EINVAL;
 1852 
 1853         NG_HOOK_SET_PRIVATE (hook, d);
 1854         d->hook = hook;
 1855         s = splimp ();
 1856         CP_LOCK (bd);
 1857         cp_up (d);
 1858         CP_UNLOCK (bd);
 1859         splx (s);
 1860         return 0;
 1861 }
 1862 
 1863 static char *format_timeslots (u_long s)
 1864 {
 1865         static char buf [100];
 1866         char *p = buf;
 1867         int i;
 1868 
 1869         for (i=1; i<32; ++i)
 1870                 if ((s >> i) & 1) {
 1871                         int prev = (i > 1)  & (s >> (i-1));
 1872                         int next = (i < 31) & (s >> (i+1));
 1873 
 1874                         if (prev) {
 1875                                 if (next)
 1876                                         continue;
 1877                                 *p++ = '-';
 1878                         } else if (p > buf)
 1879                                 *p++ = ',';
 1880 
 1881                         if (i >= 10)
 1882                                 *p++ = '' + i / 10;
 1883                         *p++ = '' + i % 10;
 1884                 }
 1885         *p = 0;
 1886         return buf;
 1887 }
 1888 
 1889 static int print_modems (char *s, cp_chan_t *c, int need_header)
 1890 {
 1891         int status = cp_modem_status (c);
 1892         int length = 0;
 1893 
 1894         if (need_header)
 1895                 length += sprintf (s + length, "  LE   DTR  DSR  RTS  CTS  CD\n");
 1896         length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
 1897                 status & TIOCM_LE  ? "On" : "-",
 1898                 status & TIOCM_DTR ? "On" : "-",
 1899                 status & TIOCM_DSR ? "On" : "-",
 1900                 status & TIOCM_RTS ? "On" : "-",
 1901                 status & TIOCM_CTS ? "On" : "-",
 1902                 status & TIOCM_CD  ? "On" : "-");
 1903         return length;
 1904 }
 1905 
 1906 static int print_stats (char *s, cp_chan_t *c, int need_header)
 1907 {
 1908         int length = 0;
 1909 
 1910         if (need_header)
 1911                 length += sprintf (s + length, "  Rintr   Tintr   Mintr   Ibytes   Ipkts   Ierrs   Obytes   Opkts   Oerrs\n");
 1912         length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n",
 1913                 c->rintr, c->tintr, 0l, (unsigned long) c->ibytes,
 1914                 c->ipkts, c->overrun + c->frame + c->crc,
 1915                 (unsigned long) c->obytes, c->opkts, c->underrun);
 1916         return length;
 1917 }
 1918 
 1919 static char *format_e1_status (u_char status)
 1920 {
 1921         static char buf [80];
 1922 
 1923         if (status & E1_NOALARM)
 1924                 return "Ok";
 1925         buf[0] = 0;
 1926         if (status & E1_LOS)     strcat (buf, ",LOS");
 1927         if (status & E1_AIS)     strcat (buf, ",AIS");
 1928         if (status & E1_LOF)     strcat (buf, ",LOF");
 1929         if (status & E1_LOMF)    strcat (buf, ",LOMF");
 1930         if (status & E1_FARLOF)  strcat (buf, ",FARLOF");
 1931         if (status & E1_AIS16)   strcat (buf, ",AIS16");
 1932         if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
 1933         if (status & E1_TSTREQ)  strcat (buf, ",TSTREQ");
 1934         if (status & E1_TSTERR)  strcat (buf, ",TSTERR");
 1935         if (buf[0] == ',')
 1936                 return buf+1;
 1937         return "Unknown";
 1938 }
 1939 
 1940 static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
 1941 {
 1942         int n, length = 0;
 1943 
 1944         if (numerator < 1 || divider < 1) {
 1945                 length += sprintf (s+length, leftalign ? "/-   " : "    -");
 1946                 return length;
 1947         }
 1948         n = (int) (0.5 + 1000.0 * numerator / divider);
 1949         if (n < 1000) {
 1950                 length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
 1951                 return length;
 1952         }
 1953         *(s + length) = leftalign ? '/' : ' ';
 1954         length ++;
 1955 
 1956         if      (n >= 1000000) n = (n+500) / 1000 * 1000;
 1957         else if (n >= 100000)  n = (n+50)  / 100 * 100;
 1958         else if (n >= 10000)   n = (n+5)   / 10 * 10;
 1959 
 1960         switch (n) {
 1961         case 1000:    length += printf (s+length, ".999"); return length;
 1962         case 10000:   n = 9990;   break;
 1963         case 100000:  n = 99900;  break;
 1964         case 1000000: n = 999000; break;
 1965         }
 1966         if (n < 10000)        length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
 1967         else if (n < 100000)  length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
 1968         else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
 1969         else                  length += sprintf (s+length, "%d", n/1000);
 1970 
 1971         return length;
 1972 }
 1973 
 1974 static int print_e1_stats (char *s, cp_chan_t *c)
 1975 {
 1976         struct e1_counters total;
 1977         u_long totsec;
 1978         int length = 0;
 1979 
 1980         totsec          = c->totsec + c->cursec;
 1981         total.bpv       = c->total.bpv   + c->currnt.bpv;
 1982         total.fse       = c->total.fse   + c->currnt.fse;
 1983         total.crce      = c->total.crce  + c->currnt.crce;
 1984         total.rcrce     = c->total.rcrce + c->currnt.rcrce;
 1985         total.uas       = c->total.uas   + c->currnt.uas;
 1986         total.les       = c->total.les   + c->currnt.les;
 1987         total.es        = c->total.es    + c->currnt.es;
 1988         total.bes       = c->total.bes   + c->currnt.bes;
 1989         total.ses       = c->total.ses   + c->currnt.ses;
 1990         total.oofs      = c->total.oofs  + c->currnt.oofs;
 1991         total.css       = c->total.css   + c->currnt.css;
 1992         total.dm        = c->total.dm    + c->currnt.dm;
 1993 
 1994         length += sprintf (s + length, " Unav/Degr  Bpv/Fsyn  CRC/RCRC  Err/Lerr  Sev/Bur   Oof/Slp  Status\n");
 1995 
 1996         /* Unavailable seconds, degraded minutes */
 1997         length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
 1998         length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
 1999 
 2000         /* Bipolar violations, frame sync errors */
 2001         length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
 2002         length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
 2003 
 2004         /* CRC errors, remote CRC errors (E-bit) */
 2005         length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
 2006         length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
 2007 
 2008         /* Errored seconds, line errored seconds */
 2009         length += print_frac (s + length, 0, c->currnt.es, c->cursec);
 2010         length += print_frac (s + length, 1, c->currnt.les, c->cursec);
 2011 
 2012         /* Severely errored seconds, burst errored seconds */
 2013         length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
 2014         length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
 2015 
 2016         /* Out of frame seconds, controlled slip seconds */
 2017         length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
 2018         length += print_frac (s + length, 1, c->currnt.css, c->cursec);
 2019 
 2020         length += sprintf (s + length, " %s\n", format_e1_status (c->status));
 2021 
 2022         /* Print total statistics. */
 2023         length += print_frac (s + length, 0, total.uas, totsec);
 2024         length += print_frac (s + length, 1, 60 * total.dm, totsec);
 2025 
 2026         length += print_frac (s + length, 0, total.bpv, totsec);
 2027         length += print_frac (s + length, 1, total.fse, totsec);
 2028 
 2029         length += print_frac (s + length, 0, total.crce, totsec);
 2030         length += print_frac (s + length, 1, total.rcrce, totsec);
 2031 
 2032         length += print_frac (s + length, 0, total.es, totsec);
 2033         length += print_frac (s + length, 1, total.les, totsec);
 2034 
 2035         length += print_frac (s + length, 0, total.ses, totsec);
 2036         length += print_frac (s + length, 1, total.bes, totsec);
 2037 
 2038         length += print_frac (s + length, 0, total.oofs, totsec);
 2039         length += print_frac (s + length, 1, total.css, totsec);
 2040 
 2041         length += sprintf (s + length, " -- Total\n");
 2042         return length;
 2043 }
 2044 
 2045 static int print_chan (char *s, cp_chan_t *c)
 2046 {
 2047         drv_t *d = c->sys;
 2048         bdrv_t *bd = d->board->sys;
 2049         int length = 0;
 2050 
 2051         length += sprintf (s + length, "cp%d", c->board->num * NCHAN + c->num);
 2052         if (d->chan->debug)
 2053                 length += sprintf (s + length, " debug=%d", d->chan->debug);
 2054 
 2055         if (c->board->mux) {
 2056                 length += sprintf (s + length, " cfg=C");
 2057         } else {
 2058                 length += sprintf (s + length, " cfg=A");
 2059         }
 2060 
 2061         if (c->baud)
 2062                 length += sprintf (s + length, " %ld", c->baud);
 2063         else
 2064                 length += sprintf (s + length, " extclock");
 2065 
 2066         if (c->type == T_E1 || c->type == T_G703)
 2067                 switch (c->gsyn) {
 2068                 case GSYN_INT   : length += sprintf (s + length, " syn=int");     break;
 2069                 case GSYN_RCV   : length += sprintf (s + length, " syn=rcv");     break;
 2070                 case GSYN_RCV0  : length += sprintf (s + length, " syn=rcv0");    break;
 2071                 case GSYN_RCV1  : length += sprintf (s + length, " syn=rcv1");    break;
 2072                 case GSYN_RCV2  : length += sprintf (s + length, " syn=rcv2");    break;
 2073                 case GSYN_RCV3  : length += sprintf (s + length, " syn=rcv3");    break;
 2074                 }
 2075         if (c->type == T_SERIAL) {
 2076                 length += sprintf (s + length, " dpll=%s",   c->dpll   ? "on" : "off");
 2077                 length += sprintf (s + length, " nrzi=%s",   c->nrzi   ? "on" : "off");
 2078                 length += sprintf (s + length, " invclk=%s", c->invtxc ? "on" : "off");
 2079         }
 2080         if (c->type == T_E1)
 2081                 length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off");
 2082 
 2083         length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off");
 2084 
 2085         if (c->type == T_E1)
 2086                 length += sprintf (s + length, " ts=%s", format_timeslots (c->ts));
 2087         if (c->type == T_G703) {
 2088                 int lq, x;
 2089 
 2090                 x = splimp ();
 2091                 CP_LOCK (bd);
 2092                 lq = cp_get_lq (c);
 2093                 CP_UNLOCK (bd);
 2094                 splx (x);
 2095                 length += sprintf (s + length, " (level=-%.1fdB)", lq / 10.0);
 2096         }
 2097         length += sprintf (s + length, "\n");
 2098         return length;
 2099 }
 2100 
 2101 static int ng_cp_rcvmsg (node_p node, item_p item, hook_p lasthook)
 2102 {
 2103         drv_t *d = NG_NODE_PRIVATE (node);
 2104         struct ng_mesg *msg;
 2105         struct ng_mesg *resp = NULL;
 2106         int error = 0;
 2107 
 2108         CP_DEBUG (d, ("Rcvmsg\n"));
 2109         NGI_GET_MSG (item, msg);
 2110         switch (msg->header.typecookie) {
 2111         default:
 2112                 error = EINVAL;
 2113                 break;
 2114 
 2115         case NGM_CP_COOKIE:
 2116                 printf ("Not implemented yet\n");
 2117                 error = EINVAL;
 2118                 break;
 2119 
 2120         case NGM_GENERIC_COOKIE:
 2121                 switch (msg->header.cmd) {
 2122                 default:
 2123                         error = EINVAL;
 2124                         break;
 2125 
 2126                 case NGM_TEXT_STATUS: {
 2127                         char *s;
 2128                         int l = 0;
 2129                         int dl = sizeof (struct ng_mesg) + 730;
 2130 
 2131                         NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
 2132                         if (! resp) {
 2133                                 error = ENOMEM;
 2134                                 break;
 2135                         }
 2136                         s = (resp)->data;
 2137                         if (d) {
 2138                         l += print_chan (s + l, d->chan);
 2139                         l += print_stats (s + l, d->chan, 1);
 2140                         l += print_modems (s + l, d->chan, 1);
 2141                         l += print_e1_stats (s + l, d->chan);
 2142                         } else
 2143                                 l += sprintf (s + l, "Error: node not connect to channel");
 2144                         strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRLEN);
 2145                         }
 2146                         break;
 2147                 }
 2148                 break;
 2149         }
 2150         NG_RESPOND_MSG (error, node, item, resp);
 2151         NG_FREE_MSG (msg);
 2152         return error;
 2153 }
 2154 
 2155 static int ng_cp_rcvdata (hook_p hook, item_p item)
 2156 {
 2157         drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
 2158         struct mbuf *m;
 2159         struct ng_tag_prio *ptag;
 2160         bdrv_t *bd = d->board->sys;
 2161         struct ifqueue *q;
 2162         int s;
 2163 
 2164         CP_DEBUG2 (d, ("Rcvdata\n"));
 2165         NGI_GET_M (item, m);
 2166         NG_FREE_ITEM (item);
 2167         if (! NG_HOOK_PRIVATE (hook) || ! d) {
 2168                 NG_FREE_M (m);
 2169                 return ENETDOWN;
 2170         }
 2171 
 2172         /* Check for high priority data */
 2173         if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
 2174             NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
 2175                 q = &d->hi_queue;
 2176         else
 2177                 q = &d->queue;
 2178 
 2179         s = splimp ();
 2180         CP_LOCK (bd);
 2181         IF_LOCK (q);
 2182         if (_IF_QFULL (q)) {
 2183                 _IF_DROP (q);
 2184                 IF_UNLOCK (q);
 2185                 CP_UNLOCK (bd);
 2186                 splx (s);
 2187                 NG_FREE_M (m);
 2188                 return ENOBUFS;
 2189         }
 2190         _IF_ENQUEUE (q, m);
 2191         IF_UNLOCK (q);
 2192         cp_start (d);
 2193         CP_UNLOCK (bd);
 2194         splx (s);
 2195         return 0;
 2196 }
 2197 
 2198 static int ng_cp_rmnode (node_p node)
 2199 {
 2200         drv_t *d = NG_NODE_PRIVATE (node);
 2201 
 2202         CP_DEBUG (d, ("Rmnode\n"));
 2203         if (d && d->running) {
 2204                 bdrv_t *bd = d->board->sys;
 2205                 int s = splimp ();
 2206                 CP_LOCK (bd);
 2207                 cp_down (d);
 2208                 CP_UNLOCK (bd);
 2209                 splx (s);
 2210         }
 2211 #ifdef  KLD_MODULE
 2212         if (node->nd_flags & NGF_REALLY_DIE) {
 2213                 NG_NODE_SET_PRIVATE (node, NULL);
 2214                 NG_NODE_UNREF (node);
 2215         }
 2216         NG_NODE_REVIVE(node);           /* Persistant node */
 2217 #endif
 2218         return 0;
 2219 }
 2220 
 2221 static void ng_cp_watchdog (void *arg)
 2222 {
 2223         drv_t *d = arg;
 2224 
 2225         if (d) {
 2226                 if (d->timeout == 1)
 2227                         cp_watchdog (d);
 2228                 if (d->timeout)
 2229                         d->timeout--;
 2230                 callout_reset (&d->timeout_handle, hz, ng_cp_watchdog, d);
 2231         }
 2232 }
 2233 
 2234 static int ng_cp_connect (hook_p hook)
 2235 {
 2236         drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
 2237 
 2238         if (d) {
 2239                 CP_DEBUG (d, ("Connect\n"));
 2240                 callout_reset (&d->timeout_handle, hz, ng_cp_watchdog, d);
 2241         }
 2242         
 2243         return 0;
 2244 }
 2245 
 2246 static int ng_cp_disconnect (hook_p hook)
 2247 {
 2248         drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
 2249 
 2250         if (d) {
 2251                 CP_DEBUG (d, ("Disconnect\n"));
 2252                 if (NG_HOOK_PRIVATE (hook))
 2253                 {
 2254                         bdrv_t *bd = d->board->sys;
 2255                         int s = splimp ();
 2256                         CP_LOCK (bd);
 2257                         cp_down (d);
 2258                         CP_UNLOCK (bd);
 2259                         splx (s);
 2260                 }
 2261                 /* If we were wait it than it reasserted now, just stop it. */
 2262                 if (!callout_drain (&d->timeout_handle))
 2263                         callout_stop (&d->timeout_handle);
 2264         }
 2265         return 0;
 2266 }
 2267 #endif
 2268 
 2269 static int cp_modevent (module_t mod, int type, void *unused)
 2270 {
 2271         static int load_count = 0;
 2272 
 2273         if (cp_mpsafenet)
 2274                 cp_cdevsw.d_flags &= ~D_NEEDGIANT;
 2275 
 2276         switch (type) {
 2277         case MOD_LOAD:
 2278 #ifdef NETGRAPH
 2279                 if (ng_newtype (&typestruct))
 2280                         printf ("Failed to register ng_cp\n");
 2281 #endif
 2282                 ++load_count;
 2283                 callout_init (&timeout_handle, cp_mpsafenet?CALLOUT_MPSAFE:0);
 2284                 callout_reset (&timeout_handle, hz*5, cp_timeout, 0);
 2285                 break;
 2286         case MOD_UNLOAD:
 2287                 if (load_count == 1) {
 2288                         printf ("Removing device entry for Tau-PCI\n");
 2289 #ifdef NETGRAPH
 2290                         ng_rmtype (&typestruct);
 2291 #endif                  
 2292                 }
 2293                 /* If we were wait it than it reasserted now, just stop it.
 2294                  * Actually we shouldn't get this condition. But code could be
 2295                  * changed in the future, so just be a litle paranoid.
 2296                  */
 2297                 if (!callout_drain (&timeout_handle))
 2298                         callout_stop (&timeout_handle);
 2299                 --load_count;
 2300                 break;
 2301         case MOD_SHUTDOWN:
 2302                 break;
 2303         }
 2304         return 0;
 2305 }
 2306 
 2307 #ifdef NETGRAPH
 2308 static struct ng_type typestruct = {
 2309         .version        = NG_ABI_VERSION,
 2310         .name           = NG_CP_NODE_TYPE,
 2311         .constructor    = ng_cp_constructor,
 2312         .rcvmsg         = ng_cp_rcvmsg,
 2313         .shutdown       = ng_cp_rmnode,
 2314         .newhook        = ng_cp_newhook,
 2315         .connect        = ng_cp_connect,
 2316         .rcvdata        = ng_cp_rcvdata,
 2317         .disconnect     = ng_cp_disconnect,
 2318 };
 2319 #endif /*NETGRAPH*/
 2320 
 2321 #ifdef NETGRAPH
 2322 MODULE_DEPEND (ng_cp, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
 2323 #else
 2324 MODULE_DEPEND (cp, sppp, 1, 1, 1);
 2325 #endif
 2326 DRIVER_MODULE (cp, pci, cp_driver, cp_devclass, cp_modevent, NULL);
 2327 MODULE_VERSION (cp, 1);

Cache object: 2ab624c6e7bddc7f6727509238237004


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