1139749Simp/*- 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: stable/11/sys/dev/hatm/if_hatm_ioctl.c 332288 2018-04-08 16:54:07Z brooks $"); 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> 60257176Sglebius#include <net/if_var.h> 61116491Sharti#include <net/if_media.h> 62116491Sharti#include <net/if_atm.h> 63116491Sharti#include <net/route.h> 64116491Sharti#include <netinet/in.h> 65116491Sharti#include <netinet/if_atm.h> 66116491Sharti 67116491Sharti#include <machine/bus.h> 68116491Sharti#include <machine/resource.h> 69116491Sharti#include <sys/bus.h> 70116491Sharti#include <sys/rman.h> 71119280Simp#include <dev/pci/pcireg.h> 72119280Simp#include <dev/pci/pcivar.h> 73116491Sharti 74116491Sharti#include <dev/utopia/utopia.h> 75116491Sharti#include <dev/hatm/if_hatmconf.h> 76116491Sharti#include <dev/hatm/if_hatmreg.h> 77116491Sharti#include <dev/hatm/if_hatmvar.h> 78116491Sharti 79116491Shartistatic u_int hatm_natm_traffic = ATMIO_TRAFFIC_UBR; 80116491Shartistatic u_int hatm_natm_pcr = 0; 81116491Sharti 82116491Shartistatic int hatm_sysctl_natm_traffic(SYSCTL_HANDLER_ARGS); 83116491Sharti 84116491ShartiSYSCTL_DECL(_hw_atm); 85116491Sharti 86116491ShartiSYSCTL_PROC(_hw_atm, OID_AUTO, natm_traffic, CTLTYPE_UINT | CTLFLAG_RW, 87116491Sharti &hatm_natm_traffic, sizeof(hatm_natm_traffic), hatm_sysctl_natm_traffic, 88116491Sharti "IU", "traffic type for NATM connections"); 89116491ShartiSYSCTL_UINT(_hw_atm, OID_AUTO, natm_pcr, CTLFLAG_RW, 90116491Sharti &hatm_natm_pcr, 0, "PCR for NATM connections"); 91116491Sharti 92116491Sharti/* 93116491Sharti * Try to open the given VCC. 94116491Sharti */ 95116491Shartistatic int 96116491Shartihatm_open_vcc(struct hatm_softc *sc, struct atmio_openvcc *arg) 97116491Sharti{ 98116491Sharti u_int cid; 99116491Sharti struct hevcc *vcc; 100116491Sharti int error = 0; 101116491Sharti 102116491Sharti DBG(sc, VCC, ("Open VCC: %u.%u flags=%#x", arg->param.vpi, 103116491Sharti arg->param.vci, arg->param.flags)); 104116491Sharti 105116491Sharti if ((arg->param.vpi & ~HE_VPI_MASK) || 106116491Sharti (arg->param.vci & ~HE_VCI_MASK) || 107116491Sharti (arg->param.vci == 0)) 108116491Sharti return (EINVAL); 109116491Sharti cid = HE_CID(arg->param.vpi, arg->param.vci); 110116491Sharti 111116491Sharti if ((arg->param.flags & ATMIO_FLAG_NOTX) && 112116491Sharti (arg->param.flags & ATMIO_FLAG_NORX)) 113116491Sharti return (EINVAL); 114116491Sharti 115116491Sharti vcc = uma_zalloc(sc->vcc_zone, M_NOWAIT | M_ZERO); 116116491Sharti if (vcc == NULL) 117116491Sharti return (ENOMEM); 118116491Sharti 119116491Sharti mtx_lock(&sc->mtx); 120148887Srwatson if (!(sc->ifp->if_drv_flags & IFF_DRV_RUNNING)) { 121116491Sharti error = EIO; 122116491Sharti goto done; 123116491Sharti } 124116491Sharti if (sc->vccs[cid] != NULL) { 125116491Sharti error = EBUSY; 126116491Sharti goto done; 127116491Sharti } 128116491Sharti vcc->param = arg->param; 129116491Sharti vcc->rxhand = arg->rxhand; 130116491Sharti switch (vcc->param.aal) { 131116491Sharti 132116491Sharti case ATMIO_AAL_0: 133116491Sharti case ATMIO_AAL_5: 134116491Sharti case ATMIO_AAL_RAW: 135116491Sharti break; 136116491Sharti 137116491Sharti default: 138116491Sharti error = EINVAL; 139116491Sharti goto done; 140116491Sharti } 141116491Sharti switch (vcc->param.traffic) { 142116491Sharti 143116491Sharti case ATMIO_TRAFFIC_UBR: 144116491Sharti case ATMIO_TRAFFIC_CBR: 145116491Sharti case ATMIO_TRAFFIC_ABR: 146116491Sharti break; 147116491Sharti 148116491Sharti default: 149116491Sharti error = EINVAL; 150116491Sharti goto done; 151116491Sharti } 152116491Sharti vcc->ntpds = 0; 153116491Sharti vcc->chain = vcc->last = NULL; 154116491Sharti vcc->ibytes = vcc->ipackets = 0; 155116491Sharti vcc->obytes = vcc->opackets = 0; 156116491Sharti 157116491Sharti if (!(vcc->param.flags & ATMIO_FLAG_NOTX) && 158116491Sharti (error = hatm_tx_vcc_can_open(sc, cid, vcc)) != 0) 159116491Sharti goto done; 160116491Sharti 161116491Sharti /* ok - go ahead */ 162116491Sharti sc->vccs[cid] = vcc; 163118598Sharti hatm_load_vc(sc, cid, 0); 164116491Sharti 165116491Sharti /* don't free below */ 166116491Sharti vcc = NULL; 167116491Sharti sc->open_vccs++; 168116491Sharti 169116491Sharti done: 170116491Sharti mtx_unlock(&sc->mtx); 171116491Sharti if (vcc != NULL) 172116491Sharti uma_zfree(sc->vcc_zone, vcc); 173116491Sharti return (error); 174116491Sharti} 175116491Sharti 176118598Shartivoid 177118598Shartihatm_load_vc(struct hatm_softc *sc, u_int cid, int reopen) 178118598Sharti{ 179118598Sharti struct hevcc *vcc = sc->vccs[cid]; 180118598Sharti 181118598Sharti if (!(vcc->param.flags & ATMIO_FLAG_NOTX)) 182118598Sharti hatm_tx_vcc_open(sc, cid); 183118598Sharti if (!(vcc->param.flags & ATMIO_FLAG_NORX)) 184118598Sharti hatm_rx_vcc_open(sc, cid); 185118598Sharti 186118598Sharti if (reopen) 187118598Sharti return; 188118598Sharti 189118598Sharti /* inform management about non-NG and NG-PVCs */ 190118598Sharti if (!(vcc->param.flags & ATMIO_FLAG_NG) || 191118598Sharti (vcc->param.flags & ATMIO_FLAG_PVC)) 192147256Sbrooks ATMEV_SEND_VCC_CHANGED(IFP2IFATM(sc->ifp), vcc->param.vpi, 193118598Sharti vcc->param.vci, 1); 194118598Sharti} 195118598Sharti 196116491Sharti/* 197116491Sharti * VCC has been finally closed. 198116491Sharti */ 199116491Shartivoid 200116491Shartihatm_vcc_closed(struct hatm_softc *sc, u_int cid) 201116491Sharti{ 202116491Sharti struct hevcc *vcc = sc->vccs[cid]; 203116491Sharti 204116491Sharti /* inform management about non-NG and NG-PVCs */ 205116491Sharti if (!(vcc->param.flags & ATMIO_FLAG_NG) || 206116491Sharti (vcc->param.flags & ATMIO_FLAG_PVC)) 207147256Sbrooks ATMEV_SEND_VCC_CHANGED(IFP2IFATM(sc->ifp), HE_VPI(cid), HE_VCI(cid), 0); 208116491Sharti 209116491Sharti sc->open_vccs--; 210116491Sharti uma_zfree(sc->vcc_zone, vcc); 211116491Sharti sc->vccs[cid] = NULL; 212116491Sharti} 213116491Sharti 214116491Sharti/* 215116491Sharti * Try to close the given VCC 216116491Sharti */ 217116491Shartistatic int 218116491Shartihatm_close_vcc(struct hatm_softc *sc, struct atmio_closevcc *arg) 219116491Sharti{ 220116491Sharti u_int cid; 221116491Sharti struct hevcc *vcc; 222116491Sharti int error = 0; 223116491Sharti 224116491Sharti DBG(sc, VCC, ("Close VCC: %u.%u", arg->vpi, arg->vci)); 225116491Sharti 226116491Sharti if((arg->vpi & ~HE_VPI_MASK) || 227116491Sharti (arg->vci & ~HE_VCI_MASK) || 228116491Sharti (arg->vci == 0)) 229116491Sharti return (EINVAL); 230116491Sharti cid = HE_CID(arg->vpi, arg->vci); 231116491Sharti 232116491Sharti mtx_lock(&sc->mtx); 233116491Sharti vcc = sc->vccs[cid]; 234148887Srwatson if (!(sc->ifp->if_drv_flags & IFF_DRV_RUNNING)) { 235116491Sharti error = EIO; 236116491Sharti goto done; 237116491Sharti } 238116491Sharti 239116491Sharti if (vcc == NULL || !(vcc->vflags & HE_VCC_OPEN)) { 240116491Sharti error = ENOENT; 241116491Sharti goto done; 242116491Sharti } 243116491Sharti 244116491Sharti if (vcc->vflags & HE_VCC_TX_OPEN) 245116491Sharti hatm_tx_vcc_close(sc, cid); 246116491Sharti if (vcc->vflags & HE_VCC_RX_OPEN) 247116491Sharti hatm_rx_vcc_close(sc, cid); 248116491Sharti 249118540Sharti if (vcc->param.flags & ATMIO_FLAG_ASYNC) 250116491Sharti goto done; 251116491Sharti 252148887Srwatson while ((sc->ifp->if_drv_flags & IFF_DRV_RUNNING) && 253116491Sharti (vcc->vflags & (HE_VCC_TX_CLOSING | HE_VCC_RX_CLOSING))) 254116491Sharti cv_wait(&sc->vcc_cv, &sc->mtx); 255116491Sharti 256148887Srwatson if (!(sc->ifp->if_drv_flags & IFF_DRV_RUNNING)) { 257116491Sharti error = EIO; 258116491Sharti goto done; 259116491Sharti } 260116491Sharti 261116491Sharti if (!(vcc->vflags & ATMIO_FLAG_NOTX)) 262116491Sharti hatm_tx_vcc_closed(sc, cid); 263116491Sharti 264116491Sharti hatm_vcc_closed(sc, cid); 265116491Sharti 266116491Sharti done: 267116491Sharti mtx_unlock(&sc->mtx); 268116491Sharti return (error); 269116491Sharti} 270116491Sharti 271116491Sharti/* 272116491Sharti * IOCTL handler 273116491Sharti */ 274116491Shartiint 275116491Shartihatm_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 276116491Sharti{ 277116491Sharti struct ifreq *ifr = (struct ifreq *)data; 278116491Sharti struct ifaddr *ifa = (struct ifaddr *)data; 279147721Sharti struct hatm_softc *sc = ifp->if_softc; 280116491Sharti struct atmio_vcctable *vtab; 281116491Sharti int error = 0; 282116491Sharti 283116491Sharti switch (cmd) { 284116491Sharti 285116491Sharti case SIOCSIFADDR: 286116491Sharti mtx_lock(&sc->mtx); 287116491Sharti ifp->if_flags |= IFF_UP; 288148887Srwatson if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 289116491Sharti hatm_initialize(sc); 290116491Sharti switch (ifa->ifa_addr->sa_family) { 291116491Sharti 292116491Sharti#ifdef INET 293116491Sharti case AF_INET: 294116491Sharti case AF_INET6: 295116491Sharti ifa->ifa_rtrequest = atm_rtrequest; 296116491Sharti break; 297116491Sharti#endif 298116491Sharti default: 299116491Sharti break; 300116491Sharti } 301116491Sharti mtx_unlock(&sc->mtx); 302116491Sharti break; 303116491Sharti 304116491Sharti case SIOCSIFFLAGS: 305116491Sharti mtx_lock(&sc->mtx); 306116491Sharti if (ifp->if_flags & IFF_UP) { 307148887Srwatson if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 308116491Sharti hatm_initialize(sc); 309116491Sharti } 310116491Sharti } else { 311148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 312116491Sharti hatm_stop(sc); 313116491Sharti } 314116491Sharti } 315116491Sharti mtx_unlock(&sc->mtx); 316116491Sharti break; 317116491Sharti 318116491Sharti case SIOCGIFMEDIA: 319116491Sharti case SIOCSIFMEDIA: 320116491Sharti error = ifmedia_ioctl(ifp, ifr, &sc->media, cmd); 321116491Sharti break; 322116491Sharti 323116491Sharti case SIOCSIFMTU: 324116491Sharti /* 325116491Sharti * Set the interface MTU. 326116491Sharti */ 327116491Sharti if (ifr->ifr_mtu > ATMMTU) 328116491Sharti error = EINVAL; 329116491Sharti else 330116491Sharti ifp->if_mtu = ifr->ifr_mtu; 331116491Sharti break; 332116491Sharti 333116491Sharti case SIOCATMGVCCS: 334116491Sharti /* return vcc table */ 335118205Sharti vtab = atm_getvccs((struct atmio_vcc **)sc->vccs, 336118205Sharti HE_MAX_VCCS, sc->open_vccs, &sc->mtx, 1); 337332288Sbrooks error = copyout(vtab, ifr_data_get_ptr(ifr), sizeof(*vtab) + 338116491Sharti vtab->count * sizeof(vtab->vccs[0])); 339116491Sharti free(vtab, M_DEVBUF); 340116491Sharti break; 341116491Sharti 342116491Sharti case SIOCATMGETVCCS: /* netgraph internal use */ 343118205Sharti vtab = atm_getvccs((struct atmio_vcc **)sc->vccs, 344118205Sharti HE_MAX_VCCS, sc->open_vccs, &sc->mtx, 0); 345118205Sharti if (vtab == NULL) { 346116491Sharti error = ENOMEM; 347116491Sharti break; 348116491Sharti } 349116491Sharti *(void **)data = vtab; 350116491Sharti break; 351116491Sharti 352118548Sharti case SIOCATMOPENVCC: /* kernel internal use */ 353116491Sharti error = hatm_open_vcc(sc, (struct atmio_openvcc *)data); 354116491Sharti break; 355116491Sharti 356118548Sharti case SIOCATMCLOSEVCC: /* kernel internal use */ 357116491Sharti error = hatm_close_vcc(sc, (struct atmio_closevcc *)data); 358116491Sharti break; 359116491Sharti 360116491Sharti default: 361116491Sharti DBG(sc, IOCTL, ("cmd=%08lx arg=%p", cmd, data)); 362116491Sharti error = EINVAL; 363116491Sharti break; 364116491Sharti } 365116491Sharti 366116491Sharti return (error); 367116491Sharti} 368116491Sharti 369116491Shartistatic int 370116491Shartihatm_sysctl_natm_traffic(SYSCTL_HANDLER_ARGS) 371116491Sharti{ 372116491Sharti int error; 373116491Sharti int tmp; 374116491Sharti 375116491Sharti tmp = hatm_natm_traffic; 376116491Sharti error = sysctl_handle_int(oidp, &tmp, 0, req); 377116491Sharti if (error != 0 || req->newptr == NULL) 378116491Sharti return (error); 379116491Sharti 380116491Sharti if (tmp != ATMIO_TRAFFIC_UBR && tmp != ATMIO_TRAFFIC_CBR) 381116491Sharti return (EINVAL); 382116491Sharti 383116491Sharti hatm_natm_traffic = tmp; 384116491Sharti return (0); 385116491Sharti} 386