if_hatm_ioctl.c revision 118548
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 118548 2003-08-06 14:53:27Z 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; 162116491Sharti 163116491Sharti if (!(vcc->param.flags & ATMIO_FLAG_NOTX)) 164116491Sharti hatm_tx_vcc_open(sc, cid); 165116491Sharti if (!(vcc->param.flags & ATMIO_FLAG_NORX)) 166116491Sharti hatm_rx_vcc_open(sc, cid); 167116491Sharti 168116491Sharti /* inform management about non-NG and NG-PVCs */ 169116491Sharti if (!(vcc->param.flags & ATMIO_FLAG_NG) || 170116491Sharti (vcc->param.flags & ATMIO_FLAG_PVC)) 171118170Sharti ATMEV_SEND_VCC_CHANGED(&sc->ifatm, arg->param.vpi, 172118170Sharti arg->param.vci, 1); 173116491Sharti 174116491Sharti /* don't free below */ 175116491Sharti vcc = NULL; 176116491Sharti 177116491Sharti sc->open_vccs++; 178116491Sharti 179116491Sharti done: 180116491Sharti mtx_unlock(&sc->mtx); 181116491Sharti if (vcc != NULL) 182116491Sharti uma_zfree(sc->vcc_zone, vcc); 183116491Sharti return (error); 184116491Sharti} 185116491Sharti 186116491Sharti/* 187116491Sharti * VCC has been finally closed. 188116491Sharti */ 189116491Shartivoid 190116491Shartihatm_vcc_closed(struct hatm_softc *sc, u_int cid) 191116491Sharti{ 192116491Sharti struct hevcc *vcc = sc->vccs[cid]; 193116491Sharti 194116491Sharti /* inform management about non-NG and NG-PVCs */ 195116491Sharti if (!(vcc->param.flags & ATMIO_FLAG_NG) || 196116491Sharti (vcc->param.flags & ATMIO_FLAG_PVC)) 197118170Sharti ATMEV_SEND_VCC_CHANGED(&sc->ifatm, HE_VPI(cid), HE_VCI(cid), 0); 198116491Sharti 199116491Sharti sc->open_vccs--; 200116491Sharti uma_zfree(sc->vcc_zone, vcc); 201116491Sharti sc->vccs[cid] = NULL; 202116491Sharti} 203116491Sharti 204116491Sharti/* 205116491Sharti * Try to close the given VCC 206116491Sharti */ 207116491Shartistatic int 208116491Shartihatm_close_vcc(struct hatm_softc *sc, struct atmio_closevcc *arg) 209116491Sharti{ 210116491Sharti u_int cid; 211116491Sharti struct hevcc *vcc; 212116491Sharti int error = 0; 213116491Sharti 214116491Sharti DBG(sc, VCC, ("Close VCC: %u.%u", arg->vpi, arg->vci)); 215116491Sharti 216116491Sharti if((arg->vpi & ~HE_VPI_MASK) || 217116491Sharti (arg->vci & ~HE_VCI_MASK) || 218116491Sharti (arg->vci == 0)) 219116491Sharti return (EINVAL); 220116491Sharti cid = HE_CID(arg->vpi, arg->vci); 221116491Sharti 222116491Sharti mtx_lock(&sc->mtx); 223116491Sharti vcc = sc->vccs[cid]; 224116491Sharti if (!(sc->ifatm.ifnet.if_flags & IFF_RUNNING)) { 225116491Sharti error = EIO; 226116491Sharti goto done; 227116491Sharti } 228116491Sharti 229116491Sharti if (vcc == NULL || !(vcc->vflags & HE_VCC_OPEN)) { 230116491Sharti error = ENOENT; 231116491Sharti goto done; 232116491Sharti } 233116491Sharti 234116491Sharti if (vcc->vflags & HE_VCC_TX_OPEN) 235116491Sharti hatm_tx_vcc_close(sc, cid); 236116491Sharti if (vcc->vflags & HE_VCC_RX_OPEN) 237116491Sharti hatm_rx_vcc_close(sc, cid); 238116491Sharti 239118540Sharti if (vcc->param.flags & ATMIO_FLAG_ASYNC) 240116491Sharti goto done; 241116491Sharti 242116491Sharti while ((sc->ifatm.ifnet.if_flags & IFF_RUNNING) && 243116491Sharti (vcc->vflags & (HE_VCC_TX_CLOSING | HE_VCC_RX_CLOSING))) 244116491Sharti cv_wait(&sc->vcc_cv, &sc->mtx); 245116491Sharti 246116491Sharti if (!(sc->ifatm.ifnet.if_flags & IFF_RUNNING)) { 247116491Sharti error = EIO; 248116491Sharti goto done; 249116491Sharti } 250116491Sharti 251116491Sharti if (!(vcc->vflags & ATMIO_FLAG_NOTX)) 252116491Sharti hatm_tx_vcc_closed(sc, cid); 253116491Sharti 254116491Sharti hatm_vcc_closed(sc, cid); 255116491Sharti 256116491Sharti done: 257116491Sharti mtx_unlock(&sc->mtx); 258116491Sharti return (error); 259116491Sharti} 260116491Sharti 261116491Sharti/* 262116491Sharti * IOCTL handler 263116491Sharti */ 264116491Shartiint 265116491Shartihatm_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 266116491Sharti{ 267116491Sharti struct ifreq *ifr = (struct ifreq *)data; 268116491Sharti struct ifaddr *ifa = (struct ifaddr *)data; 269116491Sharti struct hatm_softc *sc = (struct hatm_softc *)ifp->if_softc; 270116491Sharti struct atmio_vcctable *vtab; 271116491Sharti int error = 0; 272116491Sharti 273116491Sharti switch (cmd) { 274116491Sharti 275116491Sharti case SIOCSIFADDR: 276116491Sharti mtx_lock(&sc->mtx); 277116491Sharti ifp->if_flags |= IFF_UP; 278116491Sharti if (!(ifp->if_flags & IFF_RUNNING)) 279116491Sharti hatm_initialize(sc); 280116491Sharti switch (ifa->ifa_addr->sa_family) { 281116491Sharti 282116491Sharti#ifdef INET 283116491Sharti case AF_INET: 284116491Sharti case AF_INET6: 285116491Sharti ifa->ifa_rtrequest = atm_rtrequest; 286116491Sharti break; 287116491Sharti#endif 288116491Sharti default: 289116491Sharti break; 290116491Sharti } 291116491Sharti mtx_unlock(&sc->mtx); 292116491Sharti break; 293116491Sharti 294116491Sharti case SIOCSIFFLAGS: 295116491Sharti mtx_lock(&sc->mtx); 296116491Sharti if (ifp->if_flags & IFF_UP) { 297116491Sharti if (!(ifp->if_flags & IFF_RUNNING)) { 298116491Sharti hatm_initialize(sc); 299116491Sharti } 300116491Sharti } else { 301116491Sharti if (ifp->if_flags & IFF_RUNNING) { 302116491Sharti hatm_stop(sc); 303116491Sharti } 304116491Sharti } 305116491Sharti mtx_unlock(&sc->mtx); 306116491Sharti break; 307116491Sharti 308116491Sharti case SIOCGIFMEDIA: 309116491Sharti case SIOCSIFMEDIA: 310116491Sharti error = ifmedia_ioctl(ifp, ifr, &sc->media, cmd); 311116491Sharti break; 312116491Sharti 313116491Sharti case SIOCSIFMTU: 314116491Sharti /* 315116491Sharti * Set the interface MTU. 316116491Sharti */ 317116491Sharti if (ifr->ifr_mtu > ATMMTU) 318116491Sharti error = EINVAL; 319116491Sharti else 320116491Sharti ifp->if_mtu = ifr->ifr_mtu; 321116491Sharti break; 322116491Sharti 323116491Sharti case SIOCATMGVCCS: 324116491Sharti /* return vcc table */ 325118205Sharti vtab = atm_getvccs((struct atmio_vcc **)sc->vccs, 326118205Sharti HE_MAX_VCCS, sc->open_vccs, &sc->mtx, 1); 327116491Sharti error = copyout(vtab, ifr->ifr_data, sizeof(*vtab) + 328116491Sharti vtab->count * sizeof(vtab->vccs[0])); 329116491Sharti free(vtab, M_DEVBUF); 330116491Sharti break; 331116491Sharti 332116491Sharti case SIOCATMGETVCCS: /* netgraph internal use */ 333118205Sharti vtab = atm_getvccs((struct atmio_vcc **)sc->vccs, 334118205Sharti HE_MAX_VCCS, sc->open_vccs, &sc->mtx, 0); 335118205Sharti if (vtab == NULL) { 336116491Sharti error = ENOMEM; 337116491Sharti break; 338116491Sharti } 339116491Sharti *(void **)data = vtab; 340116491Sharti break; 341116491Sharti 342118548Sharti case SIOCATMOPENVCC: /* kernel internal use */ 343116491Sharti error = hatm_open_vcc(sc, (struct atmio_openvcc *)data); 344116491Sharti break; 345116491Sharti 346118548Sharti case SIOCATMCLOSEVCC: /* kernel internal use */ 347116491Sharti error = hatm_close_vcc(sc, (struct atmio_closevcc *)data); 348116491Sharti break; 349116491Sharti 350116491Sharti default: 351116491Sharti DBG(sc, IOCTL, ("cmd=%08lx arg=%p", cmd, data)); 352116491Sharti error = EINVAL; 353116491Sharti break; 354116491Sharti } 355116491Sharti 356116491Sharti return (error); 357116491Sharti} 358116491Sharti 359116491Shartistatic int 360116491Shartihatm_sysctl_natm_traffic(SYSCTL_HANDLER_ARGS) 361116491Sharti{ 362116491Sharti int error; 363116491Sharti int tmp; 364116491Sharti 365116491Sharti tmp = hatm_natm_traffic; 366116491Sharti error = sysctl_handle_int(oidp, &tmp, 0, req); 367116491Sharti if (error != 0 || req->newptr == NULL) 368116491Sharti return (error); 369116491Sharti 370116491Sharti if (tmp != ATMIO_TRAFFIC_UBR && tmp != ATMIO_TRAFFIC_CBR) 371116491Sharti return (EINVAL); 372116491Sharti 373116491Sharti hatm_natm_traffic = tmp; 374116491Sharti return (0); 375116491Sharti} 376