1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 2002-2003 5 * Hidetoshi Shimokawa. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * 18 * This product includes software developed by Hidetoshi Shimokawa. 19 * 20 * 4. Neither the name of the author nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifdef HAVE_KERNEL_OPTION_HEADERS 38 #include "opt_device_polling.h" 39 #include "opt_inet.h" 40 #endif 41 42 #include <sys/param.h> 43 #include <sys/kernel.h> 44 #include <sys/malloc.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/sockio.h> 48 #include <sys/sysctl.h> 49 #include <sys/systm.h> 50 #include <sys/module.h> 51 #include <sys/bus.h> 52 #include <machine/bus.h> 53 54 #include <net/bpf.h> 55 #include <net/ethernet.h> 56 #include <net/if.h> 57 #include <net/if_var.h> 58 #include <net/if_arp.h> 59 #include <net/if_types.h> 60 #include <net/if_vlan_var.h> 61 62 #include <dev/firewire/firewire.h> 63 #include <dev/firewire/firewirereg.h> 64 #include <dev/firewire/if_fwevar.h> 65 66 #define FWEDEBUG if (fwedebug) if_printf 67 #define TX_MAX_QUEUE (FWMAXQUEUE - 1) 68 69 /* network interface */ 70 static void fwe_start (if_t); 71 static int fwe_ioctl (if_t, u_long, caddr_t); 72 static void fwe_init (void *); 73 74 static void fwe_output_callback (struct fw_xfer *); 75 static void fwe_as_output (struct fwe_softc *, if_t); 76 static void fwe_as_input (struct fw_xferq *); 77 78 static int fwedebug = 0; 79 static int stream_ch = 1; 80 static int tx_speed = 2; 81 static int rx_queue_len = FWMAXQUEUE; 82 83 static MALLOC_DEFINE(M_FWE, "if_fwe", "Ethernet over FireWire interface"); 84 SYSCTL_INT(_debug, OID_AUTO, if_fwe_debug, CTLFLAG_RWTUN, &fwedebug, 0, ""); 85 SYSCTL_DECL(_hw_firewire); 86 static SYSCTL_NODE(_hw_firewire, OID_AUTO, fwe, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 87 "Ethernet emulation subsystem"); 88 SYSCTL_INT(_hw_firewire_fwe, OID_AUTO, stream_ch, CTLFLAG_RWTUN, &stream_ch, 0, 89 "Stream channel to use"); 90 SYSCTL_INT(_hw_firewire_fwe, OID_AUTO, tx_speed, CTLFLAG_RWTUN, &tx_speed, 0, 91 "Transmission speed"); 92 SYSCTL_INT(_hw_firewire_fwe, OID_AUTO, rx_queue_len, CTLFLAG_RWTUN, &rx_queue_len, 93 0, "Length of the receive queue"); 94 95 #ifdef DEVICE_POLLING 96 static poll_handler_t fwe_poll; 97 98 static int 99 fwe_poll(if_t ifp, enum poll_cmd cmd, int count) 100 { 101 struct fwe_softc *fwe; 102 struct firewire_comm *fc; 103 104 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) 105 return (0); 106 107 fwe = ((struct fwe_eth_softc *)if_getsoftc(ifp))->fwe; 108 fc = fwe->fd.fc; 109 fc->poll(fc, (cmd == POLL_AND_CHECK_STATUS)?0:1, count); 110 return (0); 111 } 112 #endif /* DEVICE_POLLING */ 113 114 static void 115 fwe_identify(driver_t *driver, device_t parent) 116 { 117 BUS_ADD_CHILD(parent, 0, "fwe", device_get_unit(parent)); 118 } 119 120 static int 121 fwe_probe(device_t dev) 122 { 123 device_t pa; 124 125 pa = device_get_parent(dev); 126 if (device_get_unit(dev) != device_get_unit(pa)) { 127 return (ENXIO); 128 } 129 130 device_set_desc(dev, "Ethernet over FireWire"); 131 return (0); 132 } 133 134 static int 135 fwe_attach(device_t dev) 136 { 137 struct fwe_softc *fwe; 138 if_t ifp; 139 int unit, s; 140 u_char eaddr[6]; 141 struct fw_eui64 *eui; 142 143 fwe = ((struct fwe_softc *)device_get_softc(dev)); 144 unit = device_get_unit(dev); 145 146 bzero(fwe, sizeof(struct fwe_softc)); 147 mtx_init(&fwe->mtx, "fwe", NULL, MTX_DEF); 148 /* XXX */ 149 fwe->stream_ch = stream_ch; 150 fwe->dma_ch = -1; 151 152 fwe->fd.fc = device_get_ivars(dev); 153 if (tx_speed < 0) 154 tx_speed = fwe->fd.fc->speed; 155 156 fwe->fd.dev = dev; 157 fwe->fd.post_explore = NULL; 158 fwe->eth_softc.fwe = fwe; 159 160 fwe->pkt_hdr.mode.stream.tcode = FWTCODE_STREAM; 161 fwe->pkt_hdr.mode.stream.sy = 0; 162 fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 163 164 /* generate fake MAC address: first and last 3bytes from eui64 */ 165 #define LOCAL (0x02) 166 #define GROUP (0x01) 167 168 eui = &fwe->fd.fc->eui; 169 eaddr[0] = (FW_EUI64_BYTE(eui, 0) | LOCAL) & ~GROUP; 170 eaddr[1] = FW_EUI64_BYTE(eui, 1); 171 eaddr[2] = FW_EUI64_BYTE(eui, 2); 172 eaddr[3] = FW_EUI64_BYTE(eui, 5); 173 eaddr[4] = FW_EUI64_BYTE(eui, 6); 174 eaddr[5] = FW_EUI64_BYTE(eui, 7); 175 printf("if_fwe%d: Fake Ethernet address: " 176 "%02x:%02x:%02x:%02x:%02x:%02x\n", unit, 177 eaddr[0], eaddr[1], eaddr[2], eaddr[3], eaddr[4], eaddr[5]); 178 179 /* fill the rest and attach interface */ 180 ifp = fwe->eth_softc.ifp = if_alloc(IFT_ETHER); 181 if (ifp == NULL) { 182 device_printf(dev, "can not if_alloc()\n"); 183 return (ENOSPC); 184 } 185 if_setsoftc(ifp, &fwe->eth_softc); 186 187 if_initname(ifp, device_get_name(dev), unit); 188 if_setinitfn(ifp, fwe_init); 189 if_setstartfn(ifp, fwe_start); 190 if_setioctlfn(ifp, fwe_ioctl); 191 if_setflags(ifp, (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST)); 192 if_setsendqlen(ifp, TX_MAX_QUEUE); 193 194 s = splimp(); 195 ether_ifattach(ifp, eaddr); 196 splx(s); 197 198 /* Tell the upper layer(s) we support long frames. */ 199 if_setifheaderlen(ifp, sizeof(struct ether_vlan_header)); 200 if_setcapabilitiesbit(ifp, IFCAP_VLAN_MTU | IFCAP_POLLING, 0); 201 if_setcapenablebit(ifp, IFCAP_VLAN_MTU, 0); 202 203 FWEDEBUG(ifp, "interface created\n"); 204 return 0; 205 } 206 207 static void 208 fwe_stop(struct fwe_softc *fwe) 209 { 210 struct firewire_comm *fc; 211 struct fw_xferq *xferq; 212 if_t ifp = fwe->eth_softc.ifp; 213 struct fw_xfer *xfer, *next; 214 int i; 215 216 fc = fwe->fd.fc; 217 218 if (fwe->dma_ch >= 0) { 219 xferq = fc->ir[fwe->dma_ch]; 220 221 if (xferq->flag & FWXFERQ_RUNNING) 222 fc->irx_disable(fc, fwe->dma_ch); 223 xferq->flag &= 224 ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | FWXFERQ_STREAM | 225 FWXFERQ_EXTBUF | FWXFERQ_HANDLER | FWXFERQ_CHTAGMASK); 226 xferq->hand = NULL; 227 228 for (i = 0; i < xferq->bnchunk; i++) 229 m_freem(xferq->bulkxfer[i].mbuf); 230 free(xferq->bulkxfer, M_FWE); 231 232 for (xfer = STAILQ_FIRST(&fwe->xferlist); xfer != NULL; 233 xfer = next) { 234 next = STAILQ_NEXT(xfer, link); 235 fw_xfer_free(xfer); 236 } 237 STAILQ_INIT(&fwe->xferlist); 238 239 xferq->bulkxfer = NULL; 240 fwe->dma_ch = -1; 241 } 242 243 if_setdrvflagbits(ifp, 0, (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)); 244 } 245 246 static int 247 fwe_detach(device_t dev) 248 { 249 struct fwe_softc *fwe; 250 if_t ifp; 251 int s; 252 253 fwe = device_get_softc(dev); 254 ifp = fwe->eth_softc.ifp; 255 256 #ifdef DEVICE_POLLING 257 if (if_getcapenable(ifp) & IFCAP_POLLING) 258 ether_poll_deregister(ifp); 259 #endif 260 s = splimp(); 261 262 fwe_stop(fwe); 263 ether_ifdetach(ifp); 264 if_free(ifp); 265 266 splx(s); 267 mtx_destroy(&fwe->mtx); 268 return 0; 269 } 270 271 static void 272 fwe_init(void *arg) 273 { 274 struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 275 struct firewire_comm *fc; 276 if_t ifp = fwe->eth_softc.ifp; 277 struct fw_xferq *xferq; 278 struct fw_xfer *xfer; 279 struct mbuf *m; 280 int i; 281 282 FWEDEBUG(ifp, "initializing\n"); 283 284 /* XXX keep promiscoud mode */ 285 if_setflagbits(ifp, IFF_PROMISC, 0); 286 287 fc = fwe->fd.fc; 288 if (fwe->dma_ch < 0) { 289 fwe->dma_ch = fw_open_isodma(fc, /* tx */0); 290 if (fwe->dma_ch < 0) 291 return; 292 xferq = fc->ir[fwe->dma_ch]; 293 xferq->flag |= FWXFERQ_EXTBUF | 294 FWXFERQ_HANDLER | FWXFERQ_STREAM; 295 fwe->stream_ch = stream_ch; 296 fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 297 xferq->flag &= ~0xff; 298 xferq->flag |= fwe->stream_ch & 0xff; 299 /* register fwe_input handler */ 300 xferq->sc = (caddr_t) fwe; 301 xferq->hand = fwe_as_input; 302 xferq->bnchunk = rx_queue_len; 303 xferq->bnpacket = 1; 304 xferq->psize = MCLBYTES; 305 xferq->queued = 0; 306 xferq->buf = NULL; 307 xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 308 sizeof(struct fw_bulkxfer) * xferq->bnchunk, 309 M_FWE, M_WAITOK); 310 STAILQ_INIT(&xferq->stvalid); 311 STAILQ_INIT(&xferq->stfree); 312 STAILQ_INIT(&xferq->stdma); 313 xferq->stproc = NULL; 314 for (i = 0; i < xferq->bnchunk; i++) { 315 m = m_getcl(M_WAITOK, MT_DATA, M_PKTHDR); 316 xferq->bulkxfer[i].mbuf = m; 317 m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 318 STAILQ_INSERT_TAIL(&xferq->stfree, 319 &xferq->bulkxfer[i], link); 320 } 321 STAILQ_INIT(&fwe->xferlist); 322 for (i = 0; i < TX_MAX_QUEUE; i++) { 323 xfer = fw_xfer_alloc(M_FWE); 324 if (xfer == NULL) 325 break; 326 xfer->send.spd = tx_speed; 327 xfer->fc = fwe->fd.fc; 328 xfer->sc = (caddr_t)fwe; 329 xfer->hand = fwe_output_callback; 330 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 331 } 332 } else 333 xferq = fc->ir[fwe->dma_ch]; 334 335 336 /* start dma */ 337 if ((xferq->flag & FWXFERQ_RUNNING) == 0) 338 fc->irx_enable(fc, fwe->dma_ch); 339 340 if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0); 341 if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); 342 343 #if 0 344 /* attempt to start output */ 345 fwe_start(ifp); 346 #endif 347 } 348 349 350 static int 351 fwe_ioctl(if_t ifp, u_long cmd, caddr_t data) 352 { 353 struct fwe_softc *fwe = ((struct fwe_eth_softc *)if_getsoftc(ifp))->fwe; 354 struct ifstat *ifs = NULL; 355 int s, error; 356 357 switch (cmd) { 358 case SIOCSIFFLAGS: 359 s = splimp(); 360 if (if_getflags(ifp) & IFF_UP) { 361 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) 362 fwe_init(&fwe->eth_softc); 363 } else { 364 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) 365 fwe_stop(fwe); 366 } 367 /* XXX keep promiscoud mode */ 368 if_setflagbits(ifp, IFF_PROMISC, 0); 369 splx(s); 370 break; 371 case SIOCADDMULTI: 372 case SIOCDELMULTI: 373 break; 374 375 case SIOCGIFSTATUS: 376 s = splimp(); 377 ifs = (struct ifstat *)data; 378 snprintf(ifs->ascii, sizeof(ifs->ascii), 379 "\tch %d dma %d\n", fwe->stream_ch, fwe->dma_ch); 380 splx(s); 381 break; 382 case SIOCSIFCAP: 383 #ifdef DEVICE_POLLING 384 { 385 struct ifreq *ifr = (struct ifreq *) data; 386 struct firewire_comm *fc = fwe->fd.fc; 387 388 if (ifr->ifr_reqcap & IFCAP_POLLING && 389 !(if_getcapenable(ifp) & IFCAP_POLLING)) { 390 error = ether_poll_register(fwe_poll, ifp); 391 if (error) 392 return (error); 393 /* Disable interrupts */ 394 fc->set_intr(fc, 0); 395 if_setcapenablebit(ifp, IFCAP_POLLING, 0); 396 return (error); 397 } 398 if (!(ifr->ifr_reqcap & IFCAP_POLLING) && 399 if_getcapenable(ifp) & IFCAP_POLLING) { 400 error = ether_poll_deregister(ifp); 401 /* Enable interrupts. */ 402 fc->set_intr(fc, 1); 403 if_setcapenablebit(ifp, 0, IFCAP_POLLING); 404 return (error); 405 } 406 } 407 #endif /* DEVICE_POLLING */ 408 break; 409 default: 410 s = splimp(); 411 error = ether_ioctl(ifp, cmd, data); 412 splx(s); 413 return (error); 414 } 415 416 return (0); 417 } 418 419 static void 420 fwe_output_callback(struct fw_xfer *xfer) 421 { 422 struct fwe_softc *fwe; 423 if_t ifp; 424 int s; 425 426 fwe = (struct fwe_softc *)xfer->sc; 427 ifp = fwe->eth_softc.ifp; 428 /* XXX error check */ 429 FWEDEBUG(ifp, "resp = %d\n", xfer->resp); 430 if (xfer->resp != 0) 431 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 432 m_freem(xfer->mbuf); 433 fw_xfer_unload(xfer); 434 435 s = splimp(); 436 FWE_LOCK(fwe); 437 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 438 FWE_UNLOCK(fwe); 439 splx(s); 440 441 /* for queue full */ 442 if (!if_sendq_empty(ifp)) 443 fwe_start(ifp); 444 } 445 446 static void 447 fwe_start(if_t ifp) 448 { 449 struct fwe_softc *fwe = ((struct fwe_eth_softc *)if_getsoftc(ifp))->fwe; 450 int s; 451 452 FWEDEBUG(ifp, "starting\n"); 453 454 if (fwe->dma_ch < 0) { 455 struct mbuf *m = NULL; 456 457 FWEDEBUG(ifp, "not ready\n"); 458 459 s = splimp(); 460 do { 461 m = if_dequeue(ifp); 462 if (m != NULL) 463 m_freem(m); 464 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 465 } while (m != NULL); 466 splx(s); 467 468 return; 469 } 470 471 s = splimp(); 472 if_setdrvflagbits(ifp, IFF_DRV_OACTIVE, 0); 473 474 if (!if_sendq_empty(ifp)) 475 fwe_as_output(fwe, ifp); 476 477 if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); 478 splx(s); 479 } 480 481 #define HDR_LEN 4 482 #ifndef ETHER_ALIGN 483 #define ETHER_ALIGN 2 484 #endif 485 /* Async. stream output */ 486 static void 487 fwe_as_output(struct fwe_softc *fwe, if_t ifp) 488 { 489 struct mbuf *m; 490 struct fw_xfer *xfer; 491 struct fw_xferq *xferq; 492 struct fw_pkt *fp; 493 int i = 0; 494 495 xfer = NULL; 496 xferq = fwe->fd.fc->atq; 497 while ((xferq->queued < xferq->maxq - 1) && 498 !if_sendq_empty(ifp)) { 499 FWE_LOCK(fwe); 500 xfer = STAILQ_FIRST(&fwe->xferlist); 501 if (xfer == NULL) { 502 #if 0 503 printf("if_fwe: lack of xfer\n"); 504 #endif 505 FWE_UNLOCK(fwe); 506 break; 507 } 508 STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 509 FWE_UNLOCK(fwe); 510 511 m = if_dequeue(ifp); 512 if (m == NULL) { 513 FWE_LOCK(fwe); 514 STAILQ_INSERT_HEAD(&fwe->xferlist, xfer, link); 515 FWE_UNLOCK(fwe); 516 break; 517 } 518 BPF_MTAP(ifp, m); 519 520 /* keep ip packet alignment for alpha */ 521 M_PREPEND(m, ETHER_ALIGN, M_NOWAIT); 522 fp = &xfer->send.hdr; 523 *(uint32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 524 fp->mode.stream.len = m->m_pkthdr.len; 525 xfer->mbuf = m; 526 xfer->send.pay_len = m->m_pkthdr.len; 527 528 if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 529 /* error */ 530 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 531 /* XXX set error code */ 532 fwe_output_callback(xfer); 533 } else { 534 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 535 i++; 536 } 537 } 538 #if 0 539 if (i > 1) 540 printf("%d queued\n", i); 541 #endif 542 if (i > 0) 543 xferq->start(fwe->fd.fc); 544 } 545 546 /* Async. stream output */ 547 static void 548 fwe_as_input(struct fw_xferq *xferq) 549 { 550 struct mbuf *m, *m0; 551 if_t ifp; 552 struct fwe_softc *fwe; 553 struct fw_bulkxfer *sxfer; 554 struct fw_pkt *fp; 555 #if 0 556 u_char *c; 557 #endif 558 559 fwe = (struct fwe_softc *)xferq->sc; 560 ifp = fwe->eth_softc.ifp; 561 562 /* We do not need a lock here because the bottom half is serialized */ 563 while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 564 STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 565 fp = mtod(sxfer->mbuf, struct fw_pkt *); 566 if (fwe->fd.fc->irx_post != NULL) 567 fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 568 m = sxfer->mbuf; 569 570 /* insert new rbuf */ 571 sxfer->mbuf = m0 = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 572 if (m0 != NULL) { 573 m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 574 STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 575 } else 576 printf("%s: m_getcl failed\n", __FUNCTION__); 577 578 if (sxfer->resp != 0 || fp->mode.stream.len < 579 ETHER_ALIGN + sizeof(struct ether_header)) { 580 m_freem(m); 581 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 582 continue; 583 } 584 585 m->m_data += HDR_LEN + ETHER_ALIGN; 586 #if 0 587 c = mtod(m, u_char *); 588 #endif 589 m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN; 590 m->m_pkthdr.rcvif = ifp; 591 #if 0 592 FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n" 593 "%02x %02x %02x %02x %02x %02x\n" 594 "%02x %02x %02x %02x\n" 595 "%02x %02x %02x %02x\n" 596 "%02x %02x %02x %02x\n" 597 "%02x %02x %02x %02x\n", 598 c[0], c[1], c[2], c[3], c[4], c[5], 599 c[6], c[7], c[8], c[9], c[10], c[11], 600 c[12], c[13], c[14], c[15], 601 c[16], c[17], c[18], c[19], 602 c[20], c[21], c[22], c[23], 603 c[20], c[21], c[22], c[23] 604 ); 605 #endif 606 if_input(ifp, m); 607 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 608 } 609 if (STAILQ_FIRST(&xferq->stfree) != NULL) 610 fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 611 } 612 613 614 static device_method_t fwe_methods[] = { 615 /* device interface */ 616 DEVMETHOD(device_identify, fwe_identify), 617 DEVMETHOD(device_probe, fwe_probe), 618 DEVMETHOD(device_attach, fwe_attach), 619 DEVMETHOD(device_detach, fwe_detach), 620 { 0, 0 } 621 }; 622 623 static driver_t fwe_driver = { 624 "fwe", 625 fwe_methods, 626 sizeof(struct fwe_softc), 627 }; 628 629 630 DRIVER_MODULE(fwe, firewire, fwe_driver, 0, 0); 631 MODULE_VERSION(fwe, 1); 632 MODULE_DEPEND(fwe, firewire, 1, 1, 1); 633