if_hatm_ioctl.c revision 118598
1116491Sharti/* 2116491Sharti * Copyright (c) 2001-2003 3116491Sharti * Fraunhofer Institute for Open Communication Systems (FhG Fokus). 4116491Sharti * All rights reserved. 5116491Sharti * 6116491Sharti * Redistribution and use in source and binary forms, with or without 7116491Sharti * modification, are permitted provided that the following conditions 8116491Sharti * are met: 9116491Sharti * 1. Redistributions of source code must retain the above copyright 10116491Sharti * notice, this list of conditions and the following disclaimer. 11116491Sharti * 2. Redistributions in binary form must reproduce the above copyright 12116491Sharti * notice, this list of conditions and the following disclaimer in the 13116491Sharti * documentation and/or other materials provided with the distribution. 14116491Sharti * 15116491Sharti * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16116491Sharti * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17116491Sharti * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18116491Sharti * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19116491Sharti * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20116491Sharti * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21116491Sharti * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22116491Sharti * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23116491Sharti * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24116491Sharti * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25116491Sharti * SUCH DAMAGE. 26116491Sharti * 27116491Sharti * Author: Hartmut Brandt <harti@freebsd.org> 28116491Sharti * 29116491Sharti * ForeHE driver. 30116491Sharti * 31116491Sharti * Ioctl handler. 32116491Sharti */ 33116491Sharti 34116519Sharti#include <sys/cdefs.h> 35116519Sharti__FBSDID("$FreeBSD: head/sys/dev/hatm/if_hatm_ioctl.c 118598 2003-08-07 13:42:31Z harti $"); 36116519Sharti 37116491Sharti#include "opt_inet.h" 38116491Sharti#include "opt_natm.h" 39116491Sharti 40116491Sharti#include <sys/types.h> 41116491Sharti#include <sys/param.h> 42116491Sharti#include <sys/systm.h> 43116491Sharti#include <sys/malloc.h> 44116491Sharti#include <sys/kernel.h> 45116491Sharti#include <sys/bus.h> 46116491Sharti#include <sys/errno.h> 47116491Sharti#include <sys/conf.h> 48116491Sharti#include <sys/module.h> 49116491Sharti#include <sys/queue.h> 50116491Sharti#include <sys/syslog.h> 51116491Sharti#include <sys/condvar.h> 52116491Sharti#include <sys/sysctl.h> 53116491Sharti#include <vm/uma.h> 54116491Sharti 55116491Sharti#include <sys/sockio.h> 56116491Sharti#include <sys/mbuf.h> 57116491Sharti#include <sys/socket.h> 58116491Sharti 59116491Sharti#include <net/if.h> 60116491Sharti#include <net/if_media.h> 61116491Sharti#include <net/if_atm.h> 62116491Sharti#include <net/route.h> 63116491Sharti#include <netinet/in.h> 64116491Sharti#include <netinet/if_atm.h> 65116491Sharti 66116491Sharti#include <machine/bus.h> 67116491Sharti#include <machine/resource.h> 68116491Sharti#include <sys/bus.h> 69116491Sharti#include <sys/rman.h> 70116491Sharti#include <pci/pcireg.h> 71116491Sharti#include <pci/pcivar.h> 72116491Sharti 73116491Sharti#include <dev/utopia/utopia.h> 74116491Sharti#include <dev/hatm/if_hatmconf.h> 75116491Sharti#include <dev/hatm/if_hatmreg.h> 76116491Sharti#include <dev/hatm/if_hatmvar.h> 77116491Sharti 78116491Shartistatic u_int hatm_natm_traffic = ATMIO_TRAFFIC_UBR; 79116491Shartistatic u_int hatm_natm_pcr = 0; 80116491Sharti 81116491Shartistatic int hatm_sysctl_natm_traffic(SYSCTL_HANDLER_ARGS); 82116491Sharti 83116491ShartiSYSCTL_DECL(_hw_atm); 84116491Sharti 85116491ShartiSYSCTL_PROC(_hw_atm, OID_AUTO, natm_traffic, CTLTYPE_UINT | CTLFLAG_RW, 86116491Sharti &hatm_natm_traffic, sizeof(hatm_natm_traffic), hatm_sysctl_natm_traffic, 87116491Sharti "IU", "traffic type for NATM connections"); 88116491ShartiSYSCTL_UINT(_hw_atm, OID_AUTO, natm_pcr, CTLFLAG_RW, 89116491Sharti &hatm_natm_pcr, 0, "PCR for NATM connections"); 90116491Sharti 91116491Sharti/* 92116491Sharti * Try to open the given VCC. 93116491Sharti */ 94116491Shartistatic int 95116491Shartihatm_open_vcc(struct hatm_softc *sc, struct atmio_openvcc *arg) 96116491Sharti{ 97116491Sharti u_int cid; 98116491Sharti struct hevcc *vcc; 99116491Sharti int error = 0; 100116491Sharti 101116491Sharti DBG(sc, VCC, ("Open VCC: %u.%u flags=%#x", arg->param.vpi, 102116491Sharti arg->param.vci, arg->param.flags)); 103116491Sharti 104116491Sharti if ((arg->param.vpi & ~HE_VPI_MASK) || 105116491Sharti (arg->param.vci & ~HE_VCI_MASK) || 106116491Sharti (arg->param.vci == 0)) 107116491Sharti return (EINVAL); 108116491Sharti cid = HE_CID(arg->param.vpi, arg->param.vci); 109116491Sharti 110116491Sharti if ((arg->param.flags & ATMIO_FLAG_NOTX) && 111116491Sharti (arg->param.flags & ATMIO_FLAG_NORX)) 112116491Sharti return (EINVAL); 113116491Sharti 114116491Sharti vcc = uma_zalloc(sc->vcc_zone, M_NOWAIT | M_ZERO); 115116491Sharti if (vcc == NULL) 116116491Sharti return (ENOMEM); 117116491Sharti 118116491Sharti mtx_lock(&sc->mtx); 119116491Sharti if (!(sc->ifatm.ifnet.if_flags & IFF_RUNNING)) { 120116491Sharti error = EIO; 121116491Sharti goto done; 122116491Sharti } 123116491Sharti if (sc->vccs[cid] != NULL) { 124116491Sharti error = EBUSY; 125116491Sharti goto done; 126116491Sharti } 127116491Sharti vcc->param = arg->param; 128116491Sharti vcc->rxhand = arg->rxhand; 129116491Sharti switch (vcc->param.aal) { 130116491Sharti 131116491Sharti case ATMIO_AAL_0: 132116491Sharti case ATMIO_AAL_5: 133116491Sharti case ATMIO_AAL_RAW: 134116491Sharti break; 135116491Sharti 136116491Sharti default: 137116491Sharti error = EINVAL; 138116491Sharti goto done; 139116491Sharti } 140116491Sharti switch (vcc->param.traffic) { 141116491Sharti 142116491Sharti case ATMIO_TRAFFIC_UBR: 143116491Sharti case ATMIO_TRAFFIC_CBR: 144116491Sharti case ATMIO_TRAFFIC_ABR: 145116491Sharti break; 146116491Sharti 147116491Sharti default: 148116491Sharti error = EINVAL; 149116491Sharti goto done; 150116491Sharti } 151116491Sharti vcc->ntpds = 0; 152116491Sharti vcc->chain = vcc->last = NULL; 153116491Sharti vcc->ibytes = vcc->ipackets = 0; 154116491Sharti vcc->obytes = vcc->opackets = 0; 155116491Sharti 156116491Sharti if (!(vcc->param.flags & ATMIO_FLAG_NOTX) && 157116491Sharti (error = hatm_tx_vcc_can_open(sc, cid, vcc)) != 0) 158116491Sharti goto done; 159116491Sharti 160116491Sharti /* ok - go ahead */ 161116491Sharti sc->vccs[cid] = vcc; 162118598Sharti hatm_load_vc(sc, cid, 0); 163116491Sharti 164116491Sharti /* don't free below */ 165116491Sharti vcc = NULL; 166116491Sharti sc->open_vccs++; 167116491Sharti 168116491Sharti done: 169116491Sharti mtx_unlock(&sc->mtx); 170116491Sharti if (vcc != NULL) 171116491Sharti uma_zfree(sc->vcc_zone, vcc); 172116491Sharti return (error); 173116491Sharti} 174116491Sharti 175118598Shartivoid 176118598Shartihatm_load_vc(struct hatm_softc *sc, u_int cid, int reopen) 177118598Sharti{ 178118598Sharti struct hevcc *vcc = sc->vccs[cid]; 179118598Sharti 180118598Sharti if (!(vcc->param.flags & ATMIO_FLAG_NOTX)) 181118598Sharti hatm_tx_vcc_open(sc, cid); 182118598Sharti if (!(vcc->param.flags & ATMIO_FLAG_NORX)) 183118598Sharti hatm_rx_vcc_open(sc, cid); 184118598Sharti 185118598Sharti if (reopen) 186118598Sharti return; 187118598Sharti 188118598Sharti /* inform management about non-NG and NG-PVCs */ 189118598Sharti if (!(vcc->param.flags & ATMIO_FLAG_NG) || 190118598Sharti (vcc->param.flags & ATMIO_FLAG_PVC)) 191118598Sharti ATMEV_SEND_VCC_CHANGED(&sc->ifatm, vcc->param.vpi, 192118598Sharti vcc->param.vci, 1); 193118598Sharti} 194118598Sharti 195116491Sharti/* 196116491Sharti * VCC has been finally closed. 197116491Sharti */ 198116491Shartivoid 199116491Shartihatm_vcc_closed(struct hatm_softc *sc, u_int cid) 200116491Sharti{ 201116491Sharti struct hevcc *vcc = sc->vccs[cid]; 202116491Sharti 203116491Sharti /* inform management about non-NG and NG-PVCs */ 204116491Sharti if (!(vcc->param.flags & ATMIO_FLAG_NG) || 205116491Sharti (vcc->param.flags & ATMIO_FLAG_PVC)) 206118170Sharti ATMEV_SEND_VCC_CHANGED(&sc->ifatm, HE_VPI(cid), HE_VCI(cid), 0); 207116491Sharti 208116491Sharti sc->open_vccs--; 209116491Sharti uma_zfree(sc->vcc_zone, vcc); 210116491Sharti sc->vccs[cid] = NULL; 211116491Sharti} 212116491Sharti 213116491Sharti/* 214116491Sharti * Try to close the given VCC 215116491Sharti */ 216116491Shartistatic int 217116491Shartihatm_close_vcc(struct hatm_softc *sc, struct atmio_closevcc *arg) 218116491Sharti{ 219116491Sharti u_int cid; 220116491Sharti struct hevcc *vcc; 221116491Sharti int error = 0; 222116491Sharti 223116491Sharti DBG(sc, VCC, ("Close VCC: %u.%u", arg->vpi, arg->vci)); 224116491Sharti 225116491Sharti if((arg->vpi & ~HE_VPI_MASK) || 226116491Sharti (arg->vci & ~HE_VCI_MASK) || 227116491Sharti (arg->vci == 0)) 228116491Sharti return (EINVAL); 229116491Sharti cid = HE_CID(arg->vpi, arg->vci); 230116491Sharti 231116491Sharti mtx_lock(&sc->mtx); 232116491Sharti vcc = sc->vccs[cid]; 233116491Sharti if (!(sc->ifatm.ifnet.if_flags & IFF_RUNNING)) { 234116491Sharti error = EIO; 235116491Sharti goto done; 236116491Sharti } 237116491Sharti 238116491Sharti if (vcc == NULL || !(vcc->vflags & HE_VCC_OPEN)) { 239116491Sharti error = ENOENT; 240116491Sharti goto done; 241116491Sharti } 242116491Sharti 243116491Sharti if (vcc->vflags & HE_VCC_TX_OPEN) 244116491Sharti hatm_tx_vcc_close(sc, cid); 245116491Sharti if (vcc->vflags & HE_VCC_RX_OPEN) 246116491Sharti hatm_rx_vcc_close(sc, cid); 247116491Sharti 248118540Sharti if (vcc->param.flags & ATMIO_FLAG_ASYNC) 249116491Sharti goto done; 250116491Sharti 251116491Sharti while ((sc->ifatm.ifnet.if_flags & IFF_RUNNING) && 252116491Sharti (vcc->vflags & (HE_VCC_TX_CLOSING | HE_VCC_RX_CLOSING))) 253116491Sharti cv_wait(&sc->vcc_cv, &sc->mtx); 254116491Sharti 255116491Sharti if (!(sc->ifatm.ifnet.if_flags & IFF_RUNNING)) { 256116491Sharti error = EIO; 257116491Sharti goto done; 258116491Sharti } 259116491Sharti 260116491Sharti if (!(vcc->vflags & ATMIO_FLAG_NOTX)) 261116491Sharti hatm_tx_vcc_closed(sc, cid); 262116491Sharti 263116491Sharti hatm_vcc_closed(sc, cid); 264116491Sharti 265116491Sharti done: 266116491Sharti mtx_unlock(&sc->mtx); 267116491Sharti return (error); 268116491Sharti} 269116491Sharti 270116491Sharti/* 271116491Sharti * IOCTL handler 272116491Sharti */ 273116491Shartiint 274116491Shartihatm_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 275116491Sharti{ 276116491Sharti struct ifreq *ifr = (struct ifreq *)data; 277116491Sharti struct ifaddr *ifa = (struct ifaddr *)data; 278116491Sharti struct hatm_softc *sc = (struct hatm_softc *)ifp->if_softc; 279116491Sharti struct atmio_vcctable *vtab; 280116491Sharti int error = 0; 281116491Sharti 282116491Sharti switch (cmd) { 283116491Sharti 284116491Sharti case SIOCSIFADDR: 285116491Sharti mtx_lock(&sc->mtx); 286116491Sharti ifp->if_flags |= IFF_UP; 287116491Sharti if (!(ifp->if_flags & IFF_RUNNING)) 288116491Sharti hatm_initialize(sc); 289116491Sharti switch (ifa->ifa_addr->sa_family) { 290116491Sharti 291116491Sharti#ifdef INET 292116491Sharti case AF_INET: 293116491Sharti case AF_INET6: 294116491Sharti ifa->ifa_rtrequest = atm_rtrequest; 295116491Sharti break; 296116491Sharti#endif 297116491Sharti default: 298116491Sharti break; 299116491Sharti } 300116491Sharti mtx_unlock(&sc->mtx); 301116491Sharti break; 302116491Sharti 303116491Sharti case SIOCSIFFLAGS: 304116491Sharti mtx_lock(&sc->mtx); 305116491Sharti if (ifp->if_flags & IFF_UP) { 306116491Sharti if (!(ifp->if_flags & IFF_RUNNING)) { 307116491Sharti hatm_initialize(sc); 308116491Sharti } 309116491Sharti } else { 310116491Sharti if (ifp->if_flags & IFF_RUNNING) { 311116491Sharti hatm_stop(sc); 312116491Sharti } 313116491Sharti } 314116491Sharti mtx_unlock(&sc->mtx); 315116491Sharti break; 316116491Sharti 317116491Sharti case SIOCGIFMEDIA: 318116491Sharti case SIOCSIFMEDIA: 319116491Sharti error = ifmedia_ioctl(ifp, ifr, &sc->media, cmd); 320116491Sharti break; 321116491Sharti 322116491Sharti case SIOCSIFMTU: 323116491Sharti /* 324116491Sharti * Set the interface MTU. 325116491Sharti */ 326116491Sharti if (ifr->ifr_mtu > ATMMTU) 327116491Sharti error = EINVAL; 328116491Sharti else 329116491Sharti ifp->if_mtu = ifr->ifr_mtu; 330116491Sharti break; 331116491Sharti 332116491Sharti case SIOCATMGVCCS: 333116491Sharti /* return vcc table */ 334118205Sharti vtab = atm_getvccs((struct atmio_vcc **)sc->vccs, 335118205Sharti HE_MAX_VCCS, sc->open_vccs, &sc->mtx, 1); 336116491Sharti error = copyout(vtab, ifr->ifr_data, sizeof(*vtab) + 337116491Sharti vtab->count * sizeof(vtab->vccs[0])); 338116491Sharti free(vtab, M_DEVBUF); 339116491Sharti break; 340116491Sharti 341116491Sharti case SIOCATMGETVCCS: /* netgraph internal use */ 342118205Sharti vtab = atm_getvccs((struct atmio_vcc **)sc->vccs, 343118205Sharti HE_MAX_VCCS, sc->open_vccs, &sc->mtx, 0); 344118205Sharti if (vtab == NULL) { 345116491Sharti error = ENOMEM; 346116491Sharti break; 347116491Sharti } 348116491Sharti *(void **)data = vtab; 349116491Sharti break; 350116491Sharti 351118548Sharti case SIOCATMOPENVCC: /* kernel internal use */ 352116491Sharti error = hatm_open_vcc(sc, (struct atmio_openvcc *)data); 353116491Sharti break; 354116491Sharti 355118548Sharti case SIOCATMCLOSEVCC: /* kernel internal use */ 356116491Sharti error = hatm_close_vcc(sc, (struct atmio_closevcc *)data); 357116491Sharti break; 358116491Sharti 359116491Sharti default: 360116491Sharti DBG(sc, IOCTL, ("cmd=%08lx arg=%p", cmd, data)); 361116491Sharti error = EINVAL; 362116491Sharti break; 363116491Sharti } 364116491Sharti 365116491Sharti return (error); 366116491Sharti} 367116491Sharti 368116491Shartistatic int 369116491Shartihatm_sysctl_natm_traffic(SYSCTL_HANDLER_ARGS) 370116491Sharti{ 371116491Sharti int error; 372116491Sharti int tmp; 373116491Sharti 374116491Sharti tmp = hatm_natm_traffic; 375116491Sharti error = sysctl_handle_int(oidp, &tmp, 0, req); 376116491Sharti if (error != 0 || req->newptr == NULL) 377116491Sharti return (error); 378116491Sharti 379116491Sharti if (tmp != ATMIO_TRAFFIC_UBR && tmp != ATMIO_TRAFFIC_CBR) 380116491Sharti return (EINVAL); 381116491Sharti 382116491Sharti hatm_natm_traffic = tmp; 383116491Sharti return (0); 384116491Sharti} 385