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: src/sys/dev/firewire/if_fwe.c,v 1.27 2004/01/08 14:58:09 simokawa Exp $ 35 * $DragonFly: src/sys/dev/netif/fwe/if_fwe.c,v 1.13 2005/01/23 20:21:31 joerg Exp $ 36 */ 37 38 #include "opt_inet.h" 39 40 #include <sys/param.h> 41 #include <sys/conf.h> 42 #include <sys/kernel.h> 43 #include <sys/malloc.h> 44 #include <sys/mbuf.h> 45 #include <sys/socket.h> 46 #include <sys/sockio.h> 47 #include <sys/sysctl.h> 48 #include <sys/systm.h> 49 #include <sys/module.h> 50 #include <sys/bus.h> 51 #include <machine/bus.h> 52 53 #include <net/bpf.h> 54 #include <net/ethernet.h> 55 #include <net/if.h> 56 #include <net/if_arp.h> 57 #ifdef __DragonFly__ 58 #include <net/vlan/if_vlan_var.h> 59 #include <bus/firewire/firewire.h> 60 #include <bus/firewire/firewirereg.h> 61 #include "if_fwevar.h" 62 #else 63 #include <net/if_vlan_var.h> 64 65 #include <dev/firewire/firewire.h> 66 #include <dev/firewire/firewirereg.h> 67 #include <dev/firewire/if_fwevar.h> 68 #endif 69 70 #define FWEDEBUG if (fwedebug) if_printf 71 #define TX_MAX_QUEUE (FWMAXQUEUE - 1) 72 73 /* network interface */ 74 static void fwe_start (struct ifnet *); 75 static int fwe_ioctl (struct ifnet *, u_long, caddr_t, struct ucred *); 76 static void fwe_init (void *); 77 78 static void fwe_output_callback (struct fw_xfer *); 79 static void fwe_as_output (struct fwe_softc *, struct ifnet *); 80 static void fwe_as_input (struct fw_xferq *); 81 82 static int fwedebug = 0; 83 static int stream_ch = 1; 84 static int tx_speed = 2; 85 static int rx_queue_len = FWMAXQUEUE; 86 87 MALLOC_DEFINE(M_FWE, "if_fwe", "Ethernet over FireWire interface"); 88 SYSCTL_INT(_debug, OID_AUTO, if_fwe_debug, CTLFLAG_RW, &fwedebug, 0, ""); 89 SYSCTL_DECL(_hw_firewire); 90 SYSCTL_NODE(_hw_firewire, OID_AUTO, fwe, CTLFLAG_RD, 0, 91 "Ethernet emulation subsystem"); 92 SYSCTL_INT(_hw_firewire_fwe, OID_AUTO, stream_ch, CTLFLAG_RW, &stream_ch, 0, 93 "Stream channel to use"); 94 SYSCTL_INT(_hw_firewire_fwe, OID_AUTO, tx_speed, CTLFLAG_RW, &tx_speed, 0, 95 "Transmission speed"); 96 SYSCTL_INT(_hw_firewire_fwe, OID_AUTO, rx_queue_len, CTLFLAG_RW, &rx_queue_len, 97 0, "Length of the receive queue"); 98 99 TUNABLE_INT("hw.firewire.fwe.stream_ch", &stream_ch); 100 TUNABLE_INT("hw.firewire.fwe.tx_speed", &tx_speed); 101 TUNABLE_INT("hw.firewire.fwe.rx_queue_len", &rx_queue_len); 102 103 #ifdef DEVICE_POLLING 104 #define FWE_POLL_REGISTER(func, fwe, ifp) \ 105 if (ether_poll_register(func, ifp)) { \ 106 struct firewire_comm *fc = (fwe)->fd.fc; \ 107 fc->set_intr(fc, 0); \ 108 } 109 110 #define FWE_POLL_DEREGISTER(fwe, ifp) \ 111 do { \ 112 struct firewire_comm *fc = (fwe)->fd.fc; \ 113 ether_poll_deregister(ifp); \ 114 fc->set_intr(fc, 1); \ 115 } while(0) \ 116 117 static poll_handler_t fwe_poll; 118 119 static void 120 fwe_poll(struct ifnet *ifp, enum poll_cmd cmd, int count) 121 { 122 struct fwe_softc *fwe; 123 struct firewire_comm *fc; 124 125 fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 126 fc = fwe->fd.fc; 127 if (cmd == POLL_DEREGISTER) { 128 /* enable interrupts */ 129 fc->set_intr(fc, 1); 130 return; 131 } 132 fc->poll(fc, (cmd == POLL_AND_CHECK_STATUS)?0:1, count); 133 } 134 #else 135 #define FWE_POLL_REGISTER(func, fwe, ifp) 136 #define FWE_POLL_DEREGISTER(fwe, ifp) 137 #endif 138 static void 139 fwe_identify(driver_t *driver, device_t parent) 140 { 141 BUS_ADD_CHILD(parent, 0, "fwe", device_get_unit(parent)); 142 } 143 144 static int 145 fwe_probe(device_t dev) 146 { 147 device_t pa; 148 149 pa = device_get_parent(dev); 150 if(device_get_unit(dev) != device_get_unit(pa)){ 151 return(ENXIO); 152 } 153 154 device_set_desc(dev, "Ethernet over FireWire"); 155 return (0); 156 } 157 158 static int 159 fwe_attach(device_t dev) 160 { 161 struct fwe_softc *fwe; 162 struct ifnet *ifp; 163 int unit, s; 164 u_char *eaddr; 165 struct fw_eui64 *eui; 166 167 fwe = ((struct fwe_softc *)device_get_softc(dev)); 168 unit = device_get_unit(dev); 169 170 bzero(fwe, sizeof(struct fwe_softc)); 171 /* XXX */ 172 fwe->stream_ch = stream_ch; 173 fwe->dma_ch = -1; 174 175 fwe->fd.fc = device_get_ivars(dev); 176 if (tx_speed < 0) 177 tx_speed = fwe->fd.fc->speed; 178 179 fwe->fd.dev = dev; 180 fwe->fd.post_explore = NULL; 181 fwe->eth_softc.fwe = fwe; 182 183 fwe->pkt_hdr.mode.stream.tcode = FWTCODE_STREAM; 184 fwe->pkt_hdr.mode.stream.sy = 0; 185 fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 186 187 /* generate fake MAC address: first and last 3bytes from eui64 */ 188 #define LOCAL (0x02) 189 #define GROUP (0x01) 190 eaddr = &fwe->eth_softc.arpcom.ac_enaddr[0]; 191 192 eui = &fwe->fd.fc->eui; 193 eaddr[0] = (FW_EUI64_BYTE(eui, 0) | LOCAL) & ~GROUP; 194 eaddr[1] = FW_EUI64_BYTE(eui, 1); 195 eaddr[2] = FW_EUI64_BYTE(eui, 2); 196 eaddr[3] = FW_EUI64_BYTE(eui, 5); 197 eaddr[4] = FW_EUI64_BYTE(eui, 6); 198 eaddr[5] = FW_EUI64_BYTE(eui, 7); 199 printf("if_fwe%d: Fake Ethernet address: " 200 "%02x:%02x:%02x:%02x:%02x:%02x\n", unit, 201 eaddr[0], eaddr[1], eaddr[2], eaddr[3], eaddr[4], eaddr[5]); 202 203 /* fill the rest and attach interface */ 204 ifp = &fwe->fwe_if; 205 ifp->if_softc = &fwe->eth_softc; 206 207 #if __FreeBSD_version >= 501113 || defined(__DragonFly__) 208 if_initname(ifp, device_get_name(dev), unit); 209 #else 210 ifp->if_unit = unit; 211 ifp->if_name = "fwe"; 212 #endif 213 ifp->if_init = fwe_init; 214 ifp->if_start = fwe_start; 215 ifp->if_ioctl = fwe_ioctl; 216 ifp->if_mtu = ETHERMTU; 217 ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST); 218 ifp->if_snd.ifq_maxlen = TX_MAX_QUEUE; 219 220 s = splimp(); 221 ether_ifattach(ifp, eaddr); 222 splx(s); 223 224 /* Tell the upper layer(s) we support long frames. */ 225 ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); 226 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 227 ifp->if_capabilities |= IFCAP_VLAN_MTU; 228 #endif 229 230 231 FWEDEBUG(ifp, "interface created\n"); 232 return 0; 233 } 234 235 static void 236 fwe_stop(struct fwe_softc *fwe) 237 { 238 struct firewire_comm *fc; 239 struct fw_xferq *xferq; 240 struct ifnet *ifp = &fwe->fwe_if; 241 struct fw_xfer *xfer, *next; 242 int i; 243 244 fc = fwe->fd.fc; 245 246 FWE_POLL_DEREGISTER(fwe, ifp); 247 248 if (fwe->dma_ch >= 0) { 249 xferq = fc->ir[fwe->dma_ch]; 250 251 if (xferq->flag & FWXFERQ_RUNNING) 252 fc->irx_disable(fc, fwe->dma_ch); 253 xferq->flag &= 254 ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | FWXFERQ_STREAM | 255 FWXFERQ_EXTBUF | FWXFERQ_HANDLER | FWXFERQ_CHTAGMASK); 256 xferq->hand = NULL; 257 258 for (i = 0; i < xferq->bnchunk; i ++) 259 m_freem(xferq->bulkxfer[i].mbuf); 260 free(xferq->bulkxfer, M_FWE); 261 262 for (xfer = STAILQ_FIRST(&fwe->xferlist); xfer != NULL; 263 xfer = next) { 264 next = STAILQ_NEXT(xfer, link); 265 fw_xfer_free(xfer); 266 } 267 STAILQ_INIT(&fwe->xferlist); 268 269 xferq->bulkxfer = NULL; 270 fwe->dma_ch = -1; 271 } 272 273 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 274 } 275 276 static int 277 fwe_detach(device_t dev) 278 { 279 struct fwe_softc *fwe; 280 int s; 281 282 fwe = (struct fwe_softc *)device_get_softc(dev); 283 s = splimp(); 284 285 fwe_stop(fwe); 286 ether_ifdetach(&fwe->fwe_if); 287 288 splx(s); 289 return 0; 290 } 291 292 static void 293 fwe_init(void *arg) 294 { 295 struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 296 struct firewire_comm *fc; 297 struct ifnet *ifp = &fwe->fwe_if; 298 struct fw_xferq *xferq; 299 struct fw_xfer *xfer; 300 struct mbuf *m; 301 int i; 302 303 FWEDEBUG(ifp, "initializing\n"); 304 305 /* XXX keep promiscoud mode */ 306 ifp->if_flags |= IFF_PROMISC; 307 308 fc = fwe->fd.fc; 309 #define START 0 310 if (fwe->dma_ch < 0) { 311 for (i = START; i < fc->nisodma; i ++) { 312 xferq = fc->ir[i]; 313 if ((xferq->flag & FWXFERQ_OPEN) == 0) 314 goto found; 315 } 316 printf("no free dma channel\n"); 317 return; 318 found: 319 fwe->dma_ch = i; 320 fwe->stream_ch = stream_ch; 321 fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 322 /* allocate DMA channel and init packet mode */ 323 xferq->flag |= FWXFERQ_OPEN | FWXFERQ_EXTBUF | 324 FWXFERQ_HANDLER | FWXFERQ_STREAM; 325 xferq->flag &= ~0xff; 326 xferq->flag |= fwe->stream_ch & 0xff; 327 /* register fwe_input handler */ 328 xferq->sc = (caddr_t) fwe; 329 xferq->hand = fwe_as_input; 330 xferq->bnchunk = rx_queue_len; 331 xferq->bnpacket = 1; 332 xferq->psize = MCLBYTES; 333 xferq->queued = 0; 334 xferq->buf = NULL; 335 xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 336 sizeof(struct fw_bulkxfer) * xferq->bnchunk, 337 M_FWE, M_WAITOK); 338 if (xferq->bulkxfer == NULL) { 339 printf("if_fwe: malloc failed\n"); 340 return; 341 } 342 STAILQ_INIT(&xferq->stvalid); 343 STAILQ_INIT(&xferq->stfree); 344 STAILQ_INIT(&xferq->stdma); 345 xferq->stproc = NULL; 346 for (i = 0; i < xferq->bnchunk; i ++) { 347 m = 348 #if defined(__DragonFly__) 349 m_getcl(MB_WAIT, MT_DATA, M_PKTHDR); 350 #elif __FreeBSD_version < 500000 351 m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 352 #else 353 m_getcl(M_TRYWAIT, MT_DATA, M_PKTHDR); 354 #endif 355 xferq->bulkxfer[i].mbuf = m; 356 if (m != NULL) { 357 m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 358 STAILQ_INSERT_TAIL(&xferq->stfree, 359 &xferq->bulkxfer[i], link); 360 } else 361 printf("fwe_as_input: m_getcl failed\n"); 362 } 363 STAILQ_INIT(&fwe->xferlist); 364 for (i = 0; i < TX_MAX_QUEUE; i++) { 365 xfer = fw_xfer_alloc(M_FWE); 366 if (xfer == NULL) 367 break; 368 xfer->send.spd = tx_speed; 369 xfer->fc = fwe->fd.fc; 370 xfer->retry_req = fw_asybusy; 371 xfer->sc = (caddr_t)fwe; 372 xfer->act.hand = fwe_output_callback; 373 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 374 } 375 } else 376 xferq = fc->ir[fwe->dma_ch]; 377 378 379 /* start dma */ 380 if ((xferq->flag & FWXFERQ_RUNNING) == 0) 381 fc->irx_enable(fc, fwe->dma_ch); 382 383 ifp->if_flags |= IFF_RUNNING; 384 ifp->if_flags &= ~IFF_OACTIVE; 385 386 FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 387 #if 0 388 /* attempt to start output */ 389 fwe_start(ifp); 390 #endif 391 } 392 393 394 static int 395 fwe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *cr) 396 { 397 struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 398 struct ifstat *ifs = NULL; 399 int s, error, len; 400 401 switch (cmd) { 402 case SIOCSIFFLAGS: 403 s = splimp(); 404 if (ifp->if_flags & IFF_UP) { 405 if (!(ifp->if_flags & IFF_RUNNING)) 406 fwe_init(&fwe->eth_softc); 407 } else { 408 if (ifp->if_flags & IFF_RUNNING) 409 fwe_stop(fwe); 410 } 411 /* XXX keep promiscoud mode */ 412 ifp->if_flags |= IFF_PROMISC; 413 splx(s); 414 break; 415 case SIOCADDMULTI: 416 case SIOCDELMULTI: 417 break; 418 419 case SIOCGIFSTATUS: 420 s = splimp(); 421 ifs = (struct ifstat *)data; 422 len = strlen(ifs->ascii); 423 if (len < sizeof(ifs->ascii)) 424 snprintf(ifs->ascii + len, 425 sizeof(ifs->ascii) - len, 426 "\tch %d dma %d\n", 427 fwe->stream_ch, fwe->dma_ch); 428 splx(s); 429 break; 430 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 431 default: 432 #else 433 case SIOCSIFADDR: 434 case SIOCGIFADDR: 435 case SIOCSIFMTU: 436 #endif 437 s = splimp(); 438 error = ether_ioctl(ifp, cmd, data); 439 splx(s); 440 return (error); 441 #if defined(__DragonFly__) || __FreeBSD_version < 500000 442 default: 443 return (EINVAL); 444 #endif 445 } 446 447 return (0); 448 } 449 450 static void 451 fwe_output_callback(struct fw_xfer *xfer) 452 { 453 struct fwe_softc *fwe; 454 struct ifnet *ifp; 455 int s; 456 457 fwe = (struct fwe_softc *)xfer->sc; 458 ifp = &fwe->fwe_if; 459 /* XXX error check */ 460 FWEDEBUG(ifp, "resp = %d\n", xfer->resp); 461 if (xfer->resp != 0) 462 ifp->if_oerrors ++; 463 464 m_freem(xfer->mbuf); 465 fw_xfer_unload(xfer); 466 467 s = splimp(); 468 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 469 splx(s); 470 471 /* for queue full */ 472 if (ifp->if_snd.ifq_head != NULL) 473 fwe_start(ifp); 474 } 475 476 static void 477 fwe_start(struct ifnet *ifp) 478 { 479 struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 480 int s; 481 482 FWEDEBUG(ifp, "starting\n"); 483 484 if (fwe->dma_ch < 0) { 485 struct mbuf *m = NULL; 486 487 FWEDEBUG(ifp, "not ready\n"); 488 489 s = splimp(); 490 do { 491 IF_DEQUEUE(&ifp->if_snd, m); 492 if (m != NULL) 493 m_freem(m); 494 ifp->if_oerrors ++; 495 } while (m != NULL); 496 splx(s); 497 498 return; 499 } 500 501 s = splimp(); 502 ifp->if_flags |= IFF_OACTIVE; 503 504 if (ifp->if_snd.ifq_len != 0) 505 fwe_as_output(fwe, ifp); 506 507 ifp->if_flags &= ~IFF_OACTIVE; 508 splx(s); 509 } 510 511 #define HDR_LEN 4 512 #ifndef ETHER_ALIGN 513 #define ETHER_ALIGN 2 514 #endif 515 /* Async. stream output */ 516 static void 517 fwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) 518 { 519 struct mbuf *m; 520 struct fw_xfer *xfer; 521 struct fw_xferq *xferq; 522 struct fw_pkt *fp; 523 int i = 0; 524 525 xfer = NULL; 526 xferq = fwe->fd.fc->atq; 527 while (xferq->queued < xferq->maxq - 1) { 528 xfer = STAILQ_FIRST(&fwe->xferlist); 529 if (xfer == NULL) { 530 printf("if_fwe: lack of xfer\n"); 531 return; 532 } 533 IF_DEQUEUE(&ifp->if_snd, m); 534 if (m == NULL) 535 break; 536 STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 537 BPF_MTAP(ifp, m); 538 539 /* keep ip packet alignment for alpha */ 540 M_PREPEND(m, ETHER_ALIGN, MB_DONTWAIT); 541 fp = &xfer->send.hdr; 542 *(u_int32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 543 fp->mode.stream.len = m->m_pkthdr.len; 544 xfer->mbuf = m; 545 xfer->send.pay_len = m->m_pkthdr.len; 546 547 if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 548 /* error */ 549 ifp->if_oerrors ++; 550 /* XXX set error code */ 551 fwe_output_callback(xfer); 552 } else { 553 ifp->if_opackets ++; 554 i++; 555 } 556 } 557 #if 0 558 if (i > 1) 559 printf("%d queued\n", i); 560 #endif 561 if (i > 0) 562 xferq->start(fwe->fd.fc); 563 } 564 565 /* Async. stream output */ 566 static void 567 fwe_as_input(struct fw_xferq *xferq) 568 { 569 struct mbuf *m, *m0; 570 struct ifnet *ifp; 571 struct fwe_softc *fwe; 572 struct fw_bulkxfer *sxfer; 573 struct fw_pkt *fp; 574 u_char *c; 575 576 fwe = (struct fwe_softc *)xferq->sc; 577 ifp = &fwe->fwe_if; 578 #if 0 579 FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 580 #endif 581 while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 582 STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 583 fp = mtod(sxfer->mbuf, struct fw_pkt *); 584 if (fwe->fd.fc->irx_post != NULL) 585 fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 586 m = sxfer->mbuf; 587 588 /* insert new rbuf */ 589 sxfer->mbuf = m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR); 590 if (m0 != NULL) { 591 m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 592 STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 593 } else 594 printf("fwe_as_input: m_getcl failed\n"); 595 596 if (sxfer->resp != 0 || fp->mode.stream.len < 597 ETHER_ALIGN + sizeof(struct ether_header)) { 598 m_freem(m); 599 ifp->if_ierrors ++; 600 continue; 601 } 602 603 m->m_data += HDR_LEN + ETHER_ALIGN; 604 c = mtod(m, char *); 605 m->m_len = m->m_pkthdr.len = 606 fp->mode.stream.len - ETHER_ALIGN; 607 m->m_pkthdr.rcvif = ifp; 608 #if 0 609 FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n" 610 "%02x %02x %02x %02x %02x %02x\n" 611 "%02x %02x %02x %02x\n" 612 "%02x %02x %02x %02x\n" 613 "%02x %02x %02x %02x\n" 614 "%02x %02x %02x %02x\n", 615 c[0], c[1], c[2], c[3], c[4], c[5], 616 c[6], c[7], c[8], c[9], c[10], c[11], 617 c[12], c[13], c[14], c[15], 618 c[16], c[17], c[18], c[19], 619 c[20], c[21], c[22], c[23], 620 c[20], c[21], c[22], c[23] 621 ); 622 #endif 623 (*ifp->if_input)(ifp, m); 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 DECLARE_DUMMY_MODULE(fwe); 650 DRIVER_MODULE(fwe, firewire, fwe_driver, fwe_devclass, 0, 0); 651 MODULE_VERSION(fwe, 1); 652 MODULE_DEPEND(fwe, firewire, 1, 1, 1); 653