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 1.8 2004/02/05 17:51:44 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); 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_output = ether_output; 215 ifp->if_start = fwe_start; 216 ifp->if_ioctl = fwe_ioctl; 217 ifp->if_mtu = ETHERMTU; 218 ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST); 219 ifp->if_snd.ifq_maxlen = TX_MAX_QUEUE; 220 221 s = splimp(); 222 #if defined(__DragonFly__) || __FreeBSD_version < 500000 223 ether_ifattach(ifp, 1); 224 #else 225 ether_ifattach(ifp, eaddr); 226 #endif 227 splx(s); 228 229 /* Tell the upper layer(s) we support long frames. */ 230 ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); 231 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 232 ifp->if_capabilities |= IFCAP_VLAN_MTU; 233 #endif 234 235 236 FWEDEBUG(ifp, "interface created\n"); 237 return 0; 238 } 239 240 static void 241 fwe_stop(struct fwe_softc *fwe) 242 { 243 struct firewire_comm *fc; 244 struct fw_xferq *xferq; 245 struct ifnet *ifp = &fwe->fwe_if; 246 struct fw_xfer *xfer, *next; 247 int i; 248 249 fc = fwe->fd.fc; 250 251 FWE_POLL_DEREGISTER(fwe, ifp); 252 253 if (fwe->dma_ch >= 0) { 254 xferq = fc->ir[fwe->dma_ch]; 255 256 if (xferq->flag & FWXFERQ_RUNNING) 257 fc->irx_disable(fc, fwe->dma_ch); 258 xferq->flag &= 259 ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | FWXFERQ_STREAM | 260 FWXFERQ_EXTBUF | FWXFERQ_HANDLER | FWXFERQ_CHTAGMASK); 261 xferq->hand = NULL; 262 263 for (i = 0; i < xferq->bnchunk; i ++) 264 m_freem(xferq->bulkxfer[i].mbuf); 265 free(xferq->bulkxfer, M_FWE); 266 267 for (xfer = STAILQ_FIRST(&fwe->xferlist); xfer != NULL; 268 xfer = next) { 269 next = STAILQ_NEXT(xfer, link); 270 fw_xfer_free(xfer); 271 } 272 STAILQ_INIT(&fwe->xferlist); 273 274 xferq->bulkxfer = NULL; 275 fwe->dma_ch = -1; 276 } 277 278 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 279 } 280 281 static int 282 fwe_detach(device_t dev) 283 { 284 struct fwe_softc *fwe; 285 int s; 286 287 fwe = (struct fwe_softc *)device_get_softc(dev); 288 s = splimp(); 289 290 fwe_stop(fwe); 291 #if defined(__DragonFly__) || __FreeBSD_version < 500000 292 ether_ifdetach(&fwe->fwe_if, 1); 293 #else 294 ether_ifdetach(&fwe->fwe_if); 295 #endif 296 297 splx(s); 298 return 0; 299 } 300 301 static void 302 fwe_init(void *arg) 303 { 304 struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 305 struct firewire_comm *fc; 306 struct ifnet *ifp = &fwe->fwe_if; 307 struct fw_xferq *xferq; 308 struct fw_xfer *xfer; 309 struct mbuf *m; 310 int i; 311 312 FWEDEBUG(ifp, "initializing\n"); 313 314 /* XXX keep promiscoud mode */ 315 ifp->if_flags |= IFF_PROMISC; 316 317 fc = fwe->fd.fc; 318 #define START 0 319 if (fwe->dma_ch < 0) { 320 for (i = START; i < fc->nisodma; i ++) { 321 xferq = fc->ir[i]; 322 if ((xferq->flag & FWXFERQ_OPEN) == 0) 323 goto found; 324 } 325 printf("no free dma channel\n"); 326 return; 327 found: 328 fwe->dma_ch = i; 329 fwe->stream_ch = stream_ch; 330 fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 331 /* allocate DMA channel and init packet mode */ 332 xferq->flag |= FWXFERQ_OPEN | FWXFERQ_EXTBUF | 333 FWXFERQ_HANDLER | FWXFERQ_STREAM; 334 xferq->flag &= ~0xff; 335 xferq->flag |= fwe->stream_ch & 0xff; 336 /* register fwe_input handler */ 337 xferq->sc = (caddr_t) fwe; 338 xferq->hand = fwe_as_input; 339 xferq->bnchunk = rx_queue_len; 340 xferq->bnpacket = 1; 341 xferq->psize = MCLBYTES; 342 xferq->queued = 0; 343 xferq->buf = NULL; 344 xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 345 sizeof(struct fw_bulkxfer) * xferq->bnchunk, 346 M_FWE, M_WAITOK); 347 if (xferq->bulkxfer == NULL) { 348 printf("if_fwe: malloc failed\n"); 349 return; 350 } 351 STAILQ_INIT(&xferq->stvalid); 352 STAILQ_INIT(&xferq->stfree); 353 STAILQ_INIT(&xferq->stdma); 354 xferq->stproc = NULL; 355 for (i = 0; i < xferq->bnchunk; i ++) { 356 m = 357 #if defined(__DragonFly__) || __FreeBSD_version < 500000 358 m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 359 #else 360 m_getcl(M_TRYWAIT, MT_DATA, M_PKTHDR); 361 #endif 362 xferq->bulkxfer[i].mbuf = m; 363 if (m != NULL) { 364 m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 365 STAILQ_INSERT_TAIL(&xferq->stfree, 366 &xferq->bulkxfer[i], link); 367 } else 368 printf("fwe_as_input: m_getcl failed\n"); 369 } 370 STAILQ_INIT(&fwe->xferlist); 371 for (i = 0; i < TX_MAX_QUEUE; i++) { 372 xfer = fw_xfer_alloc(M_FWE); 373 if (xfer == NULL) 374 break; 375 xfer->send.spd = tx_speed; 376 xfer->fc = fwe->fd.fc; 377 xfer->retry_req = fw_asybusy; 378 xfer->sc = (caddr_t)fwe; 379 xfer->act.hand = fwe_output_callback; 380 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 381 } 382 } else 383 xferq = fc->ir[fwe->dma_ch]; 384 385 386 /* start dma */ 387 if ((xferq->flag & FWXFERQ_RUNNING) == 0) 388 fc->irx_enable(fc, fwe->dma_ch); 389 390 ifp->if_flags |= IFF_RUNNING; 391 ifp->if_flags &= ~IFF_OACTIVE; 392 393 FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 394 #if 0 395 /* attempt to start output */ 396 fwe_start(ifp); 397 #endif 398 } 399 400 401 static int 402 fwe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 403 { 404 struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 405 struct ifstat *ifs = NULL; 406 int s, error, len; 407 408 switch (cmd) { 409 case SIOCSIFFLAGS: 410 s = splimp(); 411 if (ifp->if_flags & IFF_UP) { 412 if (!(ifp->if_flags & IFF_RUNNING)) 413 fwe_init(&fwe->eth_softc); 414 } else { 415 if (ifp->if_flags & IFF_RUNNING) 416 fwe_stop(fwe); 417 } 418 /* XXX keep promiscoud mode */ 419 ifp->if_flags |= IFF_PROMISC; 420 splx(s); 421 break; 422 case SIOCADDMULTI: 423 case SIOCDELMULTI: 424 break; 425 426 case SIOCGIFSTATUS: 427 s = splimp(); 428 ifs = (struct ifstat *)data; 429 len = strlen(ifs->ascii); 430 if (len < sizeof(ifs->ascii)) 431 snprintf(ifs->ascii + len, 432 sizeof(ifs->ascii) - len, 433 "\tch %d dma %d\n", 434 fwe->stream_ch, fwe->dma_ch); 435 splx(s); 436 break; 437 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 438 default: 439 #else 440 case SIOCSIFADDR: 441 case SIOCGIFADDR: 442 case SIOCSIFMTU: 443 #endif 444 s = splimp(); 445 error = ether_ioctl(ifp, cmd, data); 446 splx(s); 447 return (error); 448 #if defined(__DragonFly__) || __FreeBSD_version < 500000 449 default: 450 return (EINVAL); 451 #endif 452 } 453 454 return (0); 455 } 456 457 static void 458 fwe_output_callback(struct fw_xfer *xfer) 459 { 460 struct fwe_softc *fwe; 461 struct ifnet *ifp; 462 int s; 463 464 fwe = (struct fwe_softc *)xfer->sc; 465 ifp = &fwe->fwe_if; 466 /* XXX error check */ 467 FWEDEBUG(ifp, "resp = %d\n", xfer->resp); 468 if (xfer->resp != 0) 469 ifp->if_oerrors ++; 470 471 m_freem(xfer->mbuf); 472 fw_xfer_unload(xfer); 473 474 s = splimp(); 475 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 476 splx(s); 477 478 /* for queue full */ 479 if (ifp->if_snd.ifq_head != NULL) 480 fwe_start(ifp); 481 } 482 483 static void 484 fwe_start(struct ifnet *ifp) 485 { 486 struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 487 int s; 488 489 FWEDEBUG(ifp, "starting\n"); 490 491 if (fwe->dma_ch < 0) { 492 struct mbuf *m = NULL; 493 494 FWEDEBUG(ifp, "not ready\n"); 495 496 s = splimp(); 497 do { 498 IF_DEQUEUE(&ifp->if_snd, m); 499 if (m != NULL) 500 m_freem(m); 501 ifp->if_oerrors ++; 502 } while (m != NULL); 503 splx(s); 504 505 return; 506 } 507 508 s = splimp(); 509 ifp->if_flags |= IFF_OACTIVE; 510 511 if (ifp->if_snd.ifq_len != 0) 512 fwe_as_output(fwe, ifp); 513 514 ifp->if_flags &= ~IFF_OACTIVE; 515 splx(s); 516 } 517 518 #define HDR_LEN 4 519 #ifndef ETHER_ALIGN 520 #define ETHER_ALIGN 2 521 #endif 522 /* Async. stream output */ 523 static void 524 fwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) 525 { 526 struct mbuf *m; 527 struct fw_xfer *xfer; 528 struct fw_xferq *xferq; 529 struct fw_pkt *fp; 530 int i = 0; 531 532 xfer = NULL; 533 xferq = fwe->fd.fc->atq; 534 while (xferq->queued < xferq->maxq - 1) { 535 xfer = STAILQ_FIRST(&fwe->xferlist); 536 if (xfer == NULL) { 537 printf("if_fwe: lack of xfer\n"); 538 return; 539 } 540 IF_DEQUEUE(&ifp->if_snd, m); 541 if (m == NULL) 542 break; 543 STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 544 #if defined(__DragonFly__) || __FreeBSD_version < 500000 545 if (ifp->if_bpf != NULL) 546 bpf_mtap(ifp, m); 547 #else 548 BPF_MTAP(ifp, m); 549 #endif 550 551 /* keep ip packet alignment for alpha */ 552 M_PREPEND(m, ETHER_ALIGN, M_DONTWAIT); 553 fp = &xfer->send.hdr; 554 *(u_int32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 555 fp->mode.stream.len = m->m_pkthdr.len; 556 xfer->mbuf = m; 557 xfer->send.pay_len = m->m_pkthdr.len; 558 559 if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 560 /* error */ 561 ifp->if_oerrors ++; 562 /* XXX set error code */ 563 fwe_output_callback(xfer); 564 } else { 565 ifp->if_opackets ++; 566 i++; 567 } 568 } 569 #if 0 570 if (i > 1) 571 printf("%d queued\n", i); 572 #endif 573 if (i > 0) 574 xferq->start(fwe->fd.fc); 575 } 576 577 /* Async. stream output */ 578 static void 579 fwe_as_input(struct fw_xferq *xferq) 580 { 581 struct mbuf *m, *m0; 582 struct ifnet *ifp; 583 struct fwe_softc *fwe; 584 struct fw_bulkxfer *sxfer; 585 struct fw_pkt *fp; 586 u_char *c; 587 #if defined(__DragonFly__) || __FreeBSD_version < 500000 588 struct ether_header *eh; 589 #endif 590 591 fwe = (struct fwe_softc *)xferq->sc; 592 ifp = &fwe->fwe_if; 593 #if 0 594 FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 595 #endif 596 while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 597 STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 598 fp = mtod(sxfer->mbuf, struct fw_pkt *); 599 if (fwe->fd.fc->irx_post != NULL) 600 fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 601 m = sxfer->mbuf; 602 603 /* insert new rbuf */ 604 sxfer->mbuf = m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 605 if (m0 != NULL) { 606 m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 607 STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 608 } else 609 printf("fwe_as_input: m_getcl failed\n"); 610 611 if (sxfer->resp != 0 || fp->mode.stream.len < 612 ETHER_ALIGN + sizeof(struct ether_header)) { 613 m_freem(m); 614 ifp->if_ierrors ++; 615 continue; 616 } 617 618 m->m_data += HDR_LEN + ETHER_ALIGN; 619 c = mtod(m, char *); 620 #if defined(__DragonFly__) || __FreeBSD_version < 500000 621 eh = (struct ether_header *)c; 622 m->m_data += sizeof(struct ether_header); 623 #endif 624 m->m_len = m->m_pkthdr.len = 625 fp->mode.stream.len - ETHER_ALIGN; 626 m->m_pkthdr.rcvif = ifp; 627 #if 0 628 FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n" 629 "%02x %02x %02x %02x %02x %02x\n" 630 "%02x %02x %02x %02x\n" 631 "%02x %02x %02x %02x\n" 632 "%02x %02x %02x %02x\n" 633 "%02x %02x %02x %02x\n", 634 c[0], c[1], c[2], c[3], c[4], c[5], 635 c[6], c[7], c[8], c[9], c[10], c[11], 636 c[12], c[13], c[14], c[15], 637 c[16], c[17], c[18], c[19], 638 c[20], c[21], c[22], c[23], 639 c[20], c[21], c[22], c[23] 640 ); 641 #endif 642 #if defined(__DragonFly__) || __FreeBSD_version < 500000 643 ether_input(ifp, eh, m); 644 #else 645 (*ifp->if_input)(ifp, m); 646 #endif 647 ifp->if_ipackets ++; 648 } 649 if (STAILQ_FIRST(&xferq->stfree) != NULL) 650 fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 651 } 652 653 654 static devclass_t fwe_devclass; 655 656 static device_method_t fwe_methods[] = { 657 /* device interface */ 658 DEVMETHOD(device_identify, fwe_identify), 659 DEVMETHOD(device_probe, fwe_probe), 660 DEVMETHOD(device_attach, fwe_attach), 661 DEVMETHOD(device_detach, fwe_detach), 662 { 0, 0 } 663 }; 664 665 static driver_t fwe_driver = { 666 "fwe", 667 fwe_methods, 668 sizeof(struct fwe_softc), 669 }; 670 671 672 DECLARE_DUMMY_MODULE(fwe); 673 DRIVER_MODULE(fwe, firewire, fwe_driver, fwe_devclass, 0, 0); 674 MODULE_VERSION(fwe, 1); 675 MODULE_DEPEND(fwe, firewire, 1, 1, 1); 676