1 /* 2 * Copyright (c) 2002-2003 3 * Hidetoshi Shimokawa. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * 16 * This product includes software developed by Hidetoshi Shimokawa. 17 * 18 * 4. Neither the name of the author nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $FreeBSD$ 35 */ 36 37 #include "opt_inet.h" 38 39 #include <sys/param.h> 40 #include <sys/kernel.h> 41 #include <sys/malloc.h> 42 #include <sys/mbuf.h> 43 #include <sys/socket.h> 44 #include <sys/sockio.h> 45 #include <sys/sysctl.h> 46 #include <sys/systm.h> 47 #include <sys/module.h> 48 #include <sys/bus.h> 49 #include <machine/bus.h> 50 51 #include <net/bpf.h> 52 #include <net/ethernet.h> 53 #include <net/if.h> 54 #include <net/if_arp.h> 55 #include <net/if_vlan_var.h> 56 57 #include <dev/firewire/firewire.h> 58 #include <dev/firewire/firewirereg.h> 59 #include <dev/firewire/if_fwevar.h> 60 61 #define FWEDEBUG if (fwedebug) printf 62 #define TX_MAX_QUEUE (FWMAXQUEUE - 1) 63 #define RX_MAX_QUEUE FWMAXQUEUE 64 65 /* network interface */ 66 static void fwe_start __P((struct ifnet *)); 67 static int fwe_ioctl __P((struct ifnet *, u_long, caddr_t)); 68 static void fwe_init __P((void *)); 69 70 static void fwe_output_callback __P((struct fw_xfer *)); 71 static void fwe_as_output __P((struct fwe_softc *, struct ifnet *)); 72 static void fwe_as_input __P((struct fw_xferq *)); 73 74 static int fwedebug = 0; 75 static int stream_ch = 1; 76 static int tx_speed = 2; 77 78 MALLOC_DEFINE(M_FWE, "if_fwe", "Ethernet over FireWire interface"); 79 SYSCTL_INT(_debug, OID_AUTO, if_fwe_debug, CTLFLAG_RW, &fwedebug, 0, ""); 80 SYSCTL_DECL(_hw_firewire); 81 SYSCTL_NODE(_hw_firewire, OID_AUTO, fwe, CTLFLAG_RD, 0, 82 "Ethernet Emulation Subsystem"); 83 SYSCTL_INT(_hw_firewire_fwe, OID_AUTO, stream_ch, CTLFLAG_RW, &stream_ch, 0, 84 "Stream channel to use"); 85 SYSCTL_INT(_hw_firewire_fwe, OID_AUTO, tx_speed, CTLFLAG_RW, &tx_speed, 0, 86 "Transmission Speed"); 87 88 #ifdef DEVICE_POLLING 89 #define FWE_POLL_REGISTER(func, fwe, ifp) \ 90 if (ether_poll_register(func, ifp)) { \ 91 struct firewire_comm *fc = (fwe)->fd.fc; \ 92 fc->set_intr(fc, 0); \ 93 } 94 95 #define FWE_POLL_DEREGISTER(fwe, ifp) \ 96 do { \ 97 struct firewire_comm *fc = (fwe)->fd.fc; \ 98 ether_poll_deregister(ifp); \ 99 fc->set_intr(fc, 1); \ 100 } while(0) \ 101 102 static poll_handler_t fwe_poll; 103 104 static void 105 fwe_poll(struct ifnet *ifp, enum poll_cmd cmd, int count) 106 { 107 struct fwe_softc *fwe; 108 struct firewire_comm *fc; 109 110 fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 111 fc = fwe->fd.fc; 112 if (cmd == POLL_DEREGISTER) { 113 /* enable interrupts */ 114 fc->set_intr(fc, 1); 115 return; 116 } 117 fc->poll(fc, (cmd == POLL_AND_CHECK_STATUS)?0:1, count); 118 } 119 #else 120 #define FWE_POLL_REGISTER(func, fwe, ifp) 121 #define FWE_POLL_DEREGISTER(fwe, ifp) 122 #endif 123 static void 124 fwe_identify(driver_t *driver, device_t parent) 125 { 126 BUS_ADD_CHILD(parent, 0, "fwe", device_get_unit(parent)); 127 } 128 129 static int 130 fwe_probe(device_t dev) 131 { 132 device_t pa; 133 134 pa = device_get_parent(dev); 135 if(device_get_unit(dev) != device_get_unit(pa)){ 136 return(ENXIO); 137 } 138 139 device_set_desc(dev, "Ethernet over FireWire"); 140 return (0); 141 } 142 143 static int 144 fwe_attach(device_t dev) 145 { 146 struct fwe_softc *fwe; 147 struct ifnet *ifp; 148 int unit, s; 149 u_char *eaddr; 150 struct fw_eui64 *eui; 151 152 fwe = ((struct fwe_softc *)device_get_softc(dev)); 153 unit = device_get_unit(dev); 154 155 bzero(fwe, sizeof(struct fwe_softc)); 156 /* XXX */ 157 fwe->stream_ch = stream_ch; 158 fwe->dma_ch = -1; 159 160 fwe->fd.fc = device_get_ivars(dev); 161 fwe->fd.dev = dev; 162 fwe->fd.post_explore = NULL; 163 fwe->eth_softc.fwe = fwe; 164 165 fwe->pkt_hdr.mode.stream.tcode = FWTCODE_STREAM; 166 fwe->pkt_hdr.mode.stream.sy = 0; 167 fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 168 169 /* generate fake MAC address: first and last 3bytes from eui64 */ 170 #define LOCAL (0x02) 171 #define GROUP (0x01) 172 eaddr = &fwe->eth_softc.arpcom.ac_enaddr[0]; 173 174 eui = &fwe->fd.fc->eui; 175 eaddr[0] = (FW_EUI64_BYTE(eui, 0) | LOCAL) & ~GROUP; 176 eaddr[1] = FW_EUI64_BYTE(eui, 1); 177 eaddr[2] = FW_EUI64_BYTE(eui, 2); 178 eaddr[3] = FW_EUI64_BYTE(eui, 5); 179 eaddr[4] = FW_EUI64_BYTE(eui, 6); 180 eaddr[5] = FW_EUI64_BYTE(eui, 7); 181 printf("if_fwe%d: Fake Ethernet address: " 182 "%02x:%02x:%02x:%02x:%02x:%02x\n", unit, 183 eaddr[0], eaddr[1], eaddr[2], eaddr[3], eaddr[4], eaddr[5]); 184 185 /* fill the rest and attach interface */ 186 ifp = &fwe->fwe_if; 187 ifp->if_softc = &fwe->eth_softc; 188 189 if_initname(ifp, device_get_name(dev), unit); 190 ifp->if_init = fwe_init; 191 ifp->if_output = ether_output; 192 ifp->if_start = fwe_start; 193 ifp->if_ioctl = fwe_ioctl; 194 ifp->if_mtu = ETHERMTU; 195 ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST); 196 ifp->if_snd.ifq_maxlen = TX_MAX_QUEUE; 197 198 s = splimp(); 199 #if __FreeBSD_version >= 500000 200 ether_ifattach(ifp, eaddr); 201 #else 202 ether_ifattach(ifp, 1); 203 #endif 204 splx(s); 205 206 /* Tell the upper layer(s) we support long frames. */ 207 ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); 208 #if __FreeBSD_version >= 500000 209 ifp->if_capabilities |= IFCAP_VLAN_MTU; 210 #endif 211 212 213 FWEDEBUG("interface %s created.\n", ifp->if_xname); 214 return 0; 215 } 216 217 static void 218 fwe_stop(struct fwe_softc *fwe) 219 { 220 struct firewire_comm *fc; 221 struct fw_xferq *xferq; 222 struct ifnet *ifp = &fwe->fwe_if; 223 struct fw_xfer *xfer, *next; 224 int i; 225 226 fc = fwe->fd.fc; 227 228 FWE_POLL_DEREGISTER(fwe, ifp); 229 230 if (fwe->dma_ch >= 0) { 231 xferq = fc->ir[fwe->dma_ch]; 232 233 if (xferq->flag & FWXFERQ_RUNNING) 234 fc->irx_disable(fc, fwe->dma_ch); 235 xferq->flag &= 236 ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | FWXFERQ_STREAM | 237 FWXFERQ_EXTBUF | FWXFERQ_HANDLER | FWXFERQ_CHTAGMASK); 238 xferq->hand = NULL; 239 240 for (i = 0; i < xferq->bnchunk; i ++) 241 m_freem(xferq->bulkxfer[i].mbuf); 242 free(xferq->bulkxfer, M_FWE); 243 244 for (xfer = STAILQ_FIRST(&fwe->xferlist); xfer != NULL; 245 xfer = next) { 246 next = STAILQ_NEXT(xfer, link); 247 fw_xfer_free(xfer); 248 } 249 STAILQ_INIT(&fwe->xferlist); 250 251 xferq->bulkxfer = NULL; 252 fwe->dma_ch = -1; 253 } 254 255 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 256 } 257 258 static int 259 fwe_detach(device_t dev) 260 { 261 struct fwe_softc *fwe; 262 int s; 263 264 fwe = (struct fwe_softc *)device_get_softc(dev); 265 s = splimp(); 266 267 fwe_stop(fwe); 268 #if __FreeBSD_version >= 500000 269 ether_ifdetach(&fwe->fwe_if); 270 #else 271 ether_ifdetach(&fwe->fwe_if, 1); 272 #endif 273 274 splx(s); 275 return 0; 276 } 277 278 static void 279 fwe_init(void *arg) 280 { 281 struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 282 struct firewire_comm *fc; 283 struct ifnet *ifp = &fwe->fwe_if; 284 struct fw_xferq *xferq; 285 struct fw_xfer *xfer; 286 struct mbuf *m; 287 int i; 288 289 FWEDEBUG("initializing %s\n", ifp->if_xname); 290 291 /* XXX keep promiscoud mode */ 292 ifp->if_flags |= IFF_PROMISC; 293 294 fc = fwe->fd.fc; 295 #define START 0 296 if (fwe->dma_ch < 0) { 297 for (i = START; i < fc->nisodma; i ++) { 298 xferq = fc->ir[i]; 299 if ((xferq->flag & FWXFERQ_OPEN) == 0) 300 goto found; 301 } 302 printf("no free dma channel\n"); 303 return; 304 found: 305 fwe->dma_ch = i; 306 fwe->stream_ch = stream_ch; 307 fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 308 /* allocate DMA channel and init packet mode */ 309 xferq->flag |= FWXFERQ_OPEN | FWXFERQ_EXTBUF | 310 FWXFERQ_HANDLER | FWXFERQ_STREAM; 311 xferq->flag &= ~0xff; 312 xferq->flag |= fwe->stream_ch & 0xff; 313 /* register fwe_input handler */ 314 xferq->sc = (caddr_t) fwe; 315 xferq->hand = fwe_as_input; 316 xferq->bnchunk = RX_MAX_QUEUE; 317 xferq->bnpacket = 1; 318 xferq->psize = MCLBYTES; 319 xferq->queued = 0; 320 xferq->buf = NULL; 321 xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 322 sizeof(struct fw_bulkxfer) * xferq->bnchunk, 323 M_FWE, M_WAITOK); 324 if (xferq->bulkxfer == NULL) { 325 printf("if_fwe: malloc failed\n"); 326 return; 327 } 328 STAILQ_INIT(&xferq->stvalid); 329 STAILQ_INIT(&xferq->stfree); 330 STAILQ_INIT(&xferq->stdma); 331 xferq->stproc = NULL; 332 for (i = 0; i < xferq->bnchunk; i ++) { 333 m = 334 #if __FreeBSD_version >= 500000 335 m_getcl(M_TRYWAIT, MT_DATA, M_PKTHDR); 336 #else 337 m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 338 #endif 339 xferq->bulkxfer[i].mbuf = m; 340 if (m != NULL) { 341 m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 342 STAILQ_INSERT_TAIL(&xferq->stfree, 343 &xferq->bulkxfer[i], link); 344 } else 345 printf("fwe_as_input: m_getcl failed\n"); 346 } 347 STAILQ_INIT(&fwe->xferlist); 348 for (i = 0; i < TX_MAX_QUEUE; i++) { 349 xfer = fw_xfer_alloc(M_FWE); 350 if (xfer == NULL) 351 break; 352 xfer->send.spd = tx_speed; 353 xfer->fc = fwe->fd.fc; 354 xfer->retry_req = fw_asybusy; 355 xfer->sc = (caddr_t)fwe; 356 xfer->act.hand = fwe_output_callback; 357 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 358 } 359 } else 360 xferq = fc->ir[fwe->dma_ch]; 361 362 363 /* start dma */ 364 if ((xferq->flag & FWXFERQ_RUNNING) == 0) 365 fc->irx_enable(fc, fwe->dma_ch); 366 367 ifp->if_flags |= IFF_RUNNING; 368 ifp->if_flags &= ~IFF_OACTIVE; 369 370 FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 371 #if 0 372 /* attempt to start output */ 373 fwe_start(ifp); 374 #endif 375 } 376 377 378 static int 379 fwe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 380 { 381 struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 382 struct ifstat *ifs = NULL; 383 int s, error, len; 384 385 switch (cmd) { 386 case SIOCSIFFLAGS: 387 s = splimp(); 388 if (ifp->if_flags & IFF_UP) { 389 if (!(ifp->if_flags & IFF_RUNNING)) 390 fwe_init(&fwe->eth_softc); 391 } else { 392 if (ifp->if_flags & IFF_RUNNING) 393 fwe_stop(fwe); 394 } 395 /* XXX keep promiscoud mode */ 396 ifp->if_flags |= IFF_PROMISC; 397 splx(s); 398 break; 399 case SIOCADDMULTI: 400 case SIOCDELMULTI: 401 break; 402 403 case SIOCGIFSTATUS: 404 s = splimp(); 405 ifs = (struct ifstat *)data; 406 len = strlen(ifs->ascii); 407 if (len < sizeof(ifs->ascii)) 408 snprintf(ifs->ascii + len, 409 sizeof(ifs->ascii) - len, 410 "\tch %d dma %d\n", 411 fwe->stream_ch, fwe->dma_ch); 412 splx(s); 413 break; 414 #if __FreeBSD_version >= 500000 415 default: 416 #else 417 case SIOCSIFADDR: 418 case SIOCGIFADDR: 419 case SIOCSIFMTU: 420 #endif 421 s = splimp(); 422 error = ether_ioctl(ifp, cmd, data); 423 splx(s); 424 return (error); 425 #if __FreeBSD_version < 500000 426 default: 427 return (EINVAL); 428 #endif 429 } 430 431 return (0); 432 } 433 434 static void 435 fwe_output_callback(struct fw_xfer *xfer) 436 { 437 struct fwe_softc *fwe; 438 struct ifnet *ifp; 439 int s; 440 441 fwe = (struct fwe_softc *)xfer->sc; 442 ifp = &fwe->fwe_if; 443 /* XXX error check */ 444 FWEDEBUG("resp = %d\n", xfer->resp); 445 if (xfer->resp != 0) 446 ifp->if_oerrors ++; 447 448 m_freem(xfer->mbuf); 449 fw_xfer_unload(xfer); 450 451 s = splimp(); 452 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 453 splx(s); 454 455 /* for queue full */ 456 if (ifp->if_snd.ifq_head != NULL) 457 fwe_start(ifp); 458 } 459 460 static void 461 fwe_start(struct ifnet *ifp) 462 { 463 struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 464 int s; 465 466 FWEDEBUG("%s starting\n", ifp->if_xname); 467 468 if (fwe->dma_ch < 0) { 469 struct mbuf *m = NULL; 470 471 FWEDEBUG("%s not ready.\n", ifp->if_xname); 472 473 s = splimp(); 474 do { 475 IF_DEQUEUE(&ifp->if_snd, m); 476 if (m != NULL) 477 m_freem(m); 478 ifp->if_oerrors ++; 479 } while (m != NULL); 480 splx(s); 481 482 return; 483 } 484 485 s = splimp(); 486 ifp->if_flags |= IFF_OACTIVE; 487 488 if (ifp->if_snd.ifq_len != 0) 489 fwe_as_output(fwe, ifp); 490 491 ifp->if_flags &= ~IFF_OACTIVE; 492 splx(s); 493 } 494 495 #define HDR_LEN 4 496 #ifndef ETHER_ALIGN 497 #define ETHER_ALIGN 2 498 #endif 499 /* Async. stream output */ 500 static void 501 fwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) 502 { 503 struct mbuf *m; 504 struct fw_xfer *xfer; 505 struct fw_xferq *xferq; 506 struct fw_pkt *fp; 507 int i = 0; 508 509 xfer = NULL; 510 xferq = fwe->fd.fc->atq; 511 while (xferq->queued < xferq->maxq - 1) { 512 xfer = STAILQ_FIRST(&fwe->xferlist); 513 if (xfer == NULL) { 514 printf("if_fwe: lack of xfer\n"); 515 return; 516 } 517 IF_DEQUEUE(&ifp->if_snd, m); 518 if (m == NULL) 519 break; 520 STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 521 #if __FreeBSD_version >= 500000 522 BPF_MTAP(ifp, m); 523 #else 524 if (ifp->if_bpf != NULL) 525 bpf_mtap(ifp, m); 526 #endif 527 528 /* keep ip packet alignment for alpha */ 529 M_PREPEND(m, ETHER_ALIGN, M_DONTWAIT); 530 fp = &xfer->send.hdr; 531 *(u_int32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 532 fp->mode.stream.len = m->m_pkthdr.len; 533 xfer->mbuf = m; 534 xfer->send.pay_len = m->m_pkthdr.len; 535 536 if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 537 /* error */ 538 ifp->if_oerrors ++; 539 /* XXX set error code */ 540 fwe_output_callback(xfer); 541 } else { 542 ifp->if_opackets ++; 543 i++; 544 } 545 } 546 #if 0 547 if (i > 1) 548 printf("%d queued\n", i); 549 #endif 550 if (i > 0) 551 xferq->start(fwe->fd.fc); 552 } 553 554 /* Async. stream output */ 555 static void 556 fwe_as_input(struct fw_xferq *xferq) 557 { 558 struct mbuf *m, *m0; 559 struct ifnet *ifp; 560 struct fwe_softc *fwe; 561 struct fw_bulkxfer *sxfer; 562 struct fw_pkt *fp; 563 u_char *c; 564 #if __FreeBSD_version < 500000 565 struct ether_header *eh; 566 #endif 567 568 fwe = (struct fwe_softc *)xferq->sc; 569 ifp = &fwe->fwe_if; 570 #if 0 571 FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 572 #endif 573 while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 574 STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 575 fp = mtod(sxfer->mbuf, struct fw_pkt *); 576 if (fwe->fd.fc->irx_post != NULL) 577 fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 578 m = sxfer->mbuf; 579 580 /* insert new rbuf */ 581 sxfer->mbuf = m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 582 if (m0 != NULL) { 583 m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 584 STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 585 } else 586 printf("fwe_as_input: m_getcl failed\n"); 587 588 if (sxfer->resp != 0 || fp->mode.stream.len < 589 ETHER_ALIGN + sizeof(struct ether_header)) { 590 m_freem(m); 591 ifp->if_ierrors ++; 592 continue; 593 } 594 595 m->m_data += HDR_LEN + ETHER_ALIGN; 596 c = mtod(m, char *); 597 #if __FreeBSD_version < 500000 598 eh = (struct ether_header *)c; 599 m->m_data += sizeof(struct ether_header); 600 #endif 601 m->m_len = m->m_pkthdr.len = 602 fp->mode.stream.len - ETHER_ALIGN; 603 m->m_pkthdr.rcvif = ifp; 604 #if 0 605 FWEDEBUG("%02x %02x %02x %02x %02x %02x\n" 606 "%02x %02x %02x %02x %02x %02x\n" 607 "%02x %02x %02x %02x\n" 608 "%02x %02x %02x %02x\n" 609 "%02x %02x %02x %02x\n" 610 "%02x %02x %02x %02x\n", 611 c[0], c[1], c[2], c[3], c[4], c[5], 612 c[6], c[7], c[8], c[9], c[10], c[11], 613 c[12], c[13], c[14], c[15], 614 c[16], c[17], c[18], c[19], 615 c[20], c[21], c[22], c[23], 616 c[20], c[21], c[22], c[23] 617 ); 618 #endif 619 #if __FreeBSD_version >= 500000 620 (*ifp->if_input)(ifp, m); 621 #else 622 ether_input(ifp, eh, m); 623 #endif 624 ifp->if_ipackets ++; 625 } 626 if (STAILQ_FIRST(&xferq->stfree) != NULL) 627 fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 628 } 629 630 631 static devclass_t fwe_devclass; 632 633 static device_method_t fwe_methods[] = { 634 /* device interface */ 635 DEVMETHOD(device_identify, fwe_identify), 636 DEVMETHOD(device_probe, fwe_probe), 637 DEVMETHOD(device_attach, fwe_attach), 638 DEVMETHOD(device_detach, fwe_detach), 639 { 0, 0 } 640 }; 641 642 static driver_t fwe_driver = { 643 "fwe", 644 fwe_methods, 645 sizeof(struct fwe_softc), 646 }; 647 648 649 DRIVER_MODULE(fwe, firewire, fwe_driver, fwe_devclass, 0, 0); 650 MODULE_VERSION(fwe, 1); 651 MODULE_DEPEND(fwe, firewire, 1, 1, 1); 652