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_setsoftc(ifp, &fwe->eth_softc); 182 183 if_initname(ifp, device_get_name(dev), unit); 184 if_setinitfn(ifp, fwe_init); 185 if_setstartfn(ifp, fwe_start); 186 if_setioctlfn(ifp, fwe_ioctl); 187 if_setflags(ifp, (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST)); 188 if_setsendqlen(ifp, TX_MAX_QUEUE); 189 190 s = splimp(); 191 ether_ifattach(ifp, eaddr); 192 splx(s); 193 194 /* Tell the upper layer(s) we support long frames. */ 195 if_setifheaderlen(ifp, sizeof(struct ether_vlan_header)); 196 if_setcapabilitiesbit(ifp, IFCAP_VLAN_MTU | IFCAP_POLLING, 0); 197 if_setcapenablebit(ifp, IFCAP_VLAN_MTU, 0); 198 199 FWEDEBUG(ifp, "interface created\n"); 200 return (0); 201 } 202 203 static void 204 fwe_stop(struct fwe_softc *fwe) 205 { 206 struct firewire_comm *fc; 207 struct fw_xferq *xferq; 208 if_t ifp = fwe->eth_softc.ifp; 209 struct fw_xfer *xfer, *next; 210 int i; 211 212 fc = fwe->fd.fc; 213 214 if (fwe->dma_ch >= 0) { 215 xferq = fc->ir[fwe->dma_ch]; 216 217 if (xferq->flag & FWXFERQ_RUNNING) 218 fc->irx_disable(fc, fwe->dma_ch); 219 xferq->flag &= 220 ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | FWXFERQ_STREAM | 221 FWXFERQ_EXTBUF | FWXFERQ_HANDLER | FWXFERQ_CHTAGMASK); 222 xferq->hand = NULL; 223 224 for (i = 0; i < xferq->bnchunk; i++) 225 m_freem(xferq->bulkxfer[i].mbuf); 226 free(xferq->bulkxfer, M_FWE); 227 228 for (xfer = STAILQ_FIRST(&fwe->xferlist); xfer != NULL; 229 xfer = next) { 230 next = STAILQ_NEXT(xfer, link); 231 fw_xfer_free(xfer); 232 } 233 STAILQ_INIT(&fwe->xferlist); 234 235 xferq->bulkxfer = NULL; 236 fwe->dma_ch = -1; 237 } 238 239 if_setdrvflagbits(ifp, 0, (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)); 240 } 241 242 static int 243 fwe_detach(device_t dev) 244 { 245 struct fwe_softc *fwe; 246 if_t ifp; 247 int s; 248 249 fwe = device_get_softc(dev); 250 ifp = fwe->eth_softc.ifp; 251 252 #ifdef DEVICE_POLLING 253 if (if_getcapenable(ifp) & IFCAP_POLLING) 254 ether_poll_deregister(ifp); 255 #endif 256 s = splimp(); 257 258 fwe_stop(fwe); 259 ether_ifdetach(ifp); 260 if_free(ifp); 261 262 splx(s); 263 mtx_destroy(&fwe->mtx); 264 return 0; 265 } 266 267 static void 268 fwe_init(void *arg) 269 { 270 struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 271 struct firewire_comm *fc; 272 if_t ifp = fwe->eth_softc.ifp; 273 struct fw_xferq *xferq; 274 struct fw_xfer *xfer; 275 struct mbuf *m; 276 int i; 277 278 FWEDEBUG(ifp, "initializing\n"); 279 280 /* XXX keep promiscoud mode */ 281 if_setflagbits(ifp, IFF_PROMISC, 0); 282 283 fc = fwe->fd.fc; 284 if (fwe->dma_ch < 0) { 285 fwe->dma_ch = fw_open_isodma(fc, /* tx */0); 286 if (fwe->dma_ch < 0) 287 return; 288 xferq = fc->ir[fwe->dma_ch]; 289 xferq->flag |= FWXFERQ_EXTBUF | 290 FWXFERQ_HANDLER | FWXFERQ_STREAM; 291 fwe->stream_ch = stream_ch; 292 fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 293 xferq->flag &= ~0xff; 294 xferq->flag |= fwe->stream_ch & 0xff; 295 /* register fwe_input handler */ 296 xferq->sc = (caddr_t) fwe; 297 xferq->hand = fwe_as_input; 298 xferq->bnchunk = rx_queue_len; 299 xferq->bnpacket = 1; 300 xferq->psize = MCLBYTES; 301 xferq->queued = 0; 302 xferq->buf = NULL; 303 xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 304 sizeof(struct fw_bulkxfer) * xferq->bnchunk, 305 M_FWE, M_WAITOK); 306 STAILQ_INIT(&xferq->stvalid); 307 STAILQ_INIT(&xferq->stfree); 308 STAILQ_INIT(&xferq->stdma); 309 xferq->stproc = NULL; 310 for (i = 0; i < xferq->bnchunk; i++) { 311 m = m_getcl(M_WAITOK, MT_DATA, M_PKTHDR); 312 xferq->bulkxfer[i].mbuf = m; 313 m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 314 STAILQ_INSERT_TAIL(&xferq->stfree, 315 &xferq->bulkxfer[i], link); 316 } 317 STAILQ_INIT(&fwe->xferlist); 318 for (i = 0; i < TX_MAX_QUEUE; i++) { 319 xfer = fw_xfer_alloc(M_FWE); 320 if (xfer == NULL) 321 break; 322 xfer->send.spd = tx_speed; 323 xfer->fc = fwe->fd.fc; 324 xfer->sc = (caddr_t)fwe; 325 xfer->hand = fwe_output_callback; 326 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 327 } 328 } else 329 xferq = fc->ir[fwe->dma_ch]; 330 331 332 /* start dma */ 333 if ((xferq->flag & FWXFERQ_RUNNING) == 0) 334 fc->irx_enable(fc, fwe->dma_ch); 335 336 if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0); 337 if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); 338 339 #if 0 340 /* attempt to start output */ 341 fwe_start(ifp); 342 #endif 343 } 344 345 346 static int 347 fwe_ioctl(if_t ifp, u_long cmd, caddr_t data) 348 { 349 struct fwe_softc *fwe = ((struct fwe_eth_softc *)if_getsoftc(ifp))->fwe; 350 struct ifstat *ifs = NULL; 351 int s, error; 352 353 switch (cmd) { 354 case SIOCSIFFLAGS: 355 s = splimp(); 356 if (if_getflags(ifp) & IFF_UP) { 357 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) 358 fwe_init(&fwe->eth_softc); 359 } else { 360 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) 361 fwe_stop(fwe); 362 } 363 /* XXX keep promiscoud mode */ 364 if_setflagbits(ifp, IFF_PROMISC, 0); 365 splx(s); 366 break; 367 case SIOCADDMULTI: 368 case SIOCDELMULTI: 369 break; 370 371 case SIOCGIFSTATUS: 372 s = splimp(); 373 ifs = (struct ifstat *)data; 374 snprintf(ifs->ascii, sizeof(ifs->ascii), 375 "\tch %d dma %d\n", fwe->stream_ch, fwe->dma_ch); 376 splx(s); 377 break; 378 case SIOCSIFCAP: 379 #ifdef DEVICE_POLLING 380 { 381 struct ifreq *ifr = (struct ifreq *) data; 382 struct firewire_comm *fc = fwe->fd.fc; 383 384 if (ifr->ifr_reqcap & IFCAP_POLLING && 385 !(if_getcapenable(ifp) & IFCAP_POLLING)) { 386 error = ether_poll_register(fwe_poll, ifp); 387 if (error) 388 return (error); 389 /* Disable interrupts */ 390 fc->set_intr(fc, 0); 391 if_setcapenablebit(ifp, IFCAP_POLLING, 0); 392 return (error); 393 } 394 if (!(ifr->ifr_reqcap & IFCAP_POLLING) && 395 if_getcapenable(ifp) & IFCAP_POLLING) { 396 error = ether_poll_deregister(ifp); 397 /* Enable interrupts. */ 398 fc->set_intr(fc, 1); 399 if_setcapenablebit(ifp, 0, IFCAP_POLLING); 400 return (error); 401 } 402 } 403 #endif /* DEVICE_POLLING */ 404 break; 405 default: 406 s = splimp(); 407 error = ether_ioctl(ifp, cmd, data); 408 splx(s); 409 return (error); 410 } 411 412 return (0); 413 } 414 415 static void 416 fwe_output_callback(struct fw_xfer *xfer) 417 { 418 struct fwe_softc *fwe; 419 if_t ifp; 420 int s; 421 422 fwe = (struct fwe_softc *)xfer->sc; 423 ifp = fwe->eth_softc.ifp; 424 /* XXX error check */ 425 FWEDEBUG(ifp, "resp = %d\n", xfer->resp); 426 if (xfer->resp != 0) 427 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 428 m_freem(xfer->mbuf); 429 fw_xfer_unload(xfer); 430 431 s = splimp(); 432 FWE_LOCK(fwe); 433 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 434 FWE_UNLOCK(fwe); 435 splx(s); 436 437 /* for queue full */ 438 if (!if_sendq_empty(ifp)) 439 fwe_start(ifp); 440 } 441 442 static void 443 fwe_start(if_t ifp) 444 { 445 struct fwe_softc *fwe = ((struct fwe_eth_softc *)if_getsoftc(ifp))->fwe; 446 int s; 447 448 FWEDEBUG(ifp, "starting\n"); 449 450 if (fwe->dma_ch < 0) { 451 struct mbuf *m = NULL; 452 453 FWEDEBUG(ifp, "not ready\n"); 454 455 s = splimp(); 456 do { 457 m = if_dequeue(ifp); 458 if (m != NULL) 459 m_freem(m); 460 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 461 } while (m != NULL); 462 splx(s); 463 464 return; 465 } 466 467 s = splimp(); 468 if_setdrvflagbits(ifp, IFF_DRV_OACTIVE, 0); 469 470 if (!if_sendq_empty(ifp)) 471 fwe_as_output(fwe, ifp); 472 473 if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); 474 splx(s); 475 } 476 477 #define HDR_LEN 4 478 #ifndef ETHER_ALIGN 479 #define ETHER_ALIGN 2 480 #endif 481 /* Async. stream output */ 482 static void 483 fwe_as_output(struct fwe_softc *fwe, if_t ifp) 484 { 485 struct mbuf *m; 486 struct fw_xfer *xfer; 487 struct fw_xferq *xferq; 488 struct fw_pkt *fp; 489 int i = 0; 490 491 xfer = NULL; 492 xferq = fwe->fd.fc->atq; 493 while ((xferq->queued < xferq->maxq - 1) && 494 !if_sendq_empty(ifp)) { 495 FWE_LOCK(fwe); 496 xfer = STAILQ_FIRST(&fwe->xferlist); 497 if (xfer == NULL) { 498 #if 0 499 printf("if_fwe: lack of xfer\n"); 500 #endif 501 FWE_UNLOCK(fwe); 502 break; 503 } 504 STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 505 FWE_UNLOCK(fwe); 506 507 m = if_dequeue(ifp); 508 if (m == NULL) { 509 FWE_LOCK(fwe); 510 STAILQ_INSERT_HEAD(&fwe->xferlist, xfer, link); 511 FWE_UNLOCK(fwe); 512 break; 513 } 514 BPF_MTAP(ifp, m); 515 516 /* keep ip packet alignment for alpha */ 517 M_PREPEND(m, ETHER_ALIGN, M_NOWAIT); 518 fp = &xfer->send.hdr; 519 *(uint32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 520 fp->mode.stream.len = m->m_pkthdr.len; 521 xfer->mbuf = m; 522 xfer->send.pay_len = m->m_pkthdr.len; 523 524 if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 525 /* error */ 526 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 527 /* XXX set error code */ 528 fwe_output_callback(xfer); 529 } else { 530 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 531 i++; 532 } 533 } 534 #if 0 535 if (i > 1) 536 printf("%d queued\n", i); 537 #endif 538 if (i > 0) 539 xferq->start(fwe->fd.fc); 540 } 541 542 /* Async. stream output */ 543 static void 544 fwe_as_input(struct fw_xferq *xferq) 545 { 546 struct mbuf *m, *m0; 547 if_t ifp; 548 struct fwe_softc *fwe; 549 struct fw_bulkxfer *sxfer; 550 struct fw_pkt *fp; 551 #if 0 552 u_char *c; 553 #endif 554 555 fwe = (struct fwe_softc *)xferq->sc; 556 ifp = fwe->eth_softc.ifp; 557 558 /* We do not need a lock here because the bottom half is serialized */ 559 while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 560 STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 561 fp = mtod(sxfer->mbuf, struct fw_pkt *); 562 if (fwe->fd.fc->irx_post != NULL) 563 fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 564 m = sxfer->mbuf; 565 566 /* insert new rbuf */ 567 sxfer->mbuf = m0 = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 568 if (m0 != NULL) { 569 m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 570 STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 571 } else 572 printf("%s: m_getcl failed\n", __FUNCTION__); 573 574 if (sxfer->resp != 0 || fp->mode.stream.len < 575 ETHER_ALIGN + sizeof(struct ether_header)) { 576 m_freem(m); 577 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 578 continue; 579 } 580 581 m->m_data += HDR_LEN + ETHER_ALIGN; 582 #if 0 583 c = mtod(m, u_char *); 584 #endif 585 m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN; 586 m->m_pkthdr.rcvif = ifp; 587 #if 0 588 FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n" 589 "%02x %02x %02x %02x %02x %02x\n" 590 "%02x %02x %02x %02x\n" 591 "%02x %02x %02x %02x\n" 592 "%02x %02x %02x %02x\n" 593 "%02x %02x %02x %02x\n", 594 c[0], c[1], c[2], c[3], c[4], c[5], 595 c[6], c[7], c[8], c[9], c[10], c[11], 596 c[12], c[13], c[14], c[15], 597 c[16], c[17], c[18], c[19], 598 c[20], c[21], c[22], c[23], 599 c[20], c[21], c[22], c[23] 600 ); 601 #endif 602 if_input(ifp, m); 603 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 604 } 605 if (STAILQ_FIRST(&xferq->stfree) != NULL) 606 fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 607 } 608 609 610 static device_method_t fwe_methods[] = { 611 /* device interface */ 612 DEVMETHOD(device_identify, fwe_identify), 613 DEVMETHOD(device_probe, fwe_probe), 614 DEVMETHOD(device_attach, fwe_attach), 615 DEVMETHOD(device_detach, fwe_detach), 616 { 0, 0 } 617 }; 618 619 static driver_t fwe_driver = { 620 "fwe", 621 fwe_methods, 622 sizeof(struct fwe_softc), 623 }; 624 625 626 DRIVER_MODULE(fwe, firewire, fwe_driver, 0, 0); 627 MODULE_VERSION(fwe, 1); 628 MODULE_DEPEND(fwe, firewire, 1, 1, 1); 629