if_fwe.c revision 112400
1/* 2 * Copyright (C) 2002 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: head/sys/dev/firewire/if_fwe.c 112400 2003-03-19 07:04:11Z simokawa $ 35 */ 36 37#include "opt_inet.h" 38 39#include <sys/param.h> 40#include <sys/conf.h> 41#include <sys/kernel.h> 42#include <sys/malloc.h> 43#include <sys/mbuf.h> 44#include <sys/socket.h> 45#include <sys/sockio.h> 46#include <sys/sysctl.h> 47#include <sys/systm.h> 48#include <sys/module.h> 49#include <sys/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#include <net/route.h> 57 58#include <netinet/in.h> 59 60#include <dev/firewire/firewire.h> 61#include <dev/firewire/firewirereg.h> 62#include <dev/firewire/if_fwevar.h> 63 64#define FWEDEBUG if (fwedebug) printf 65#define TX_MAX_QUEUE (FWMAXQUEUE - 1) 66#define RX_MAX_QUEUE FWMAXQUEUE 67 68/* network interface */ 69static void fwe_start __P((struct ifnet *)); 70static int fwe_ioctl __P((struct ifnet *, u_long, caddr_t)); 71static void fwe_init __P((void *)); 72 73static void fwe_output_callback __P((struct fw_xfer *)); 74static void fwe_as_output __P((struct fwe_softc *, struct ifnet *)); 75static void fwe_as_input __P((struct fw_xferq *)); 76 77static int fwedebug = 0; 78static int stream_ch = 1; 79 80MALLOC_DEFINE(M_FWE, "if_fwe", "Ethernet over FireWire interface"); 81SYSCTL_INT(_debug, OID_AUTO, if_fwe_debug, CTLFLAG_RW, &fwedebug, 0, ""); 82SYSCTL_DECL(_hw_firewire); 83SYSCTL_NODE(_hw_firewire, OID_AUTO, fwe, CTLFLAG_RD, 0, 84 "Ethernet Emulation Subsystem"); 85SYSCTL_INT(_hw_firewire_fwe, OID_AUTO, stream_ch, CTLFLAG_RW, &stream_ch, 0, 86 "Stream channel to use"); 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 102static poll_handler_t fwe_poll; 103 104static void 105fwe_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 123static void 124fwe_identify(driver_t *driver, device_t parent) 125{ 126 BUS_ADD_CHILD(parent, 0, "if_fwe", device_get_unit(parent)); 127} 128 129static int 130fwe_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 143static int 144fwe_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 ifp->if_unit = unit; 190 ifp->if_name = "fwe"; 191 ifp->if_init = fwe_init; 192 ifp->if_output = ether_output; 193 ifp->if_start = fwe_start; 194 ifp->if_ioctl = fwe_ioctl; 195 ifp->if_mtu = ETHERMTU; 196 ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST); 197 ifp->if_snd.ifq_maxlen = TX_MAX_QUEUE; 198 199 s = splimp(); 200#if __FreeBSD_version >= 500000 201 ether_ifattach(ifp, eaddr); 202#else 203 ether_ifattach(ifp, 1); 204#endif 205 splx(s); 206 207 /* Tell the upper layer(s) we support long frames. */ 208 ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); 209#if __FreeBSD_version >= 500000 210 ifp->if_capabilities |= IFCAP_VLAN_MTU; 211#endif 212 213 214 FWEDEBUG("interface %s%d created.\n", ifp->if_name, ifp->if_unit); 215 return 0; 216} 217 218static void 219fwe_stop(struct fwe_softc *fwe) 220{ 221 struct firewire_comm *fc; 222 struct fw_xferq *xferq; 223 struct ifnet *ifp = &fwe->fwe_if; 224 struct fw_xfer *xfer, *next; 225 int i; 226 227 fc = fwe->fd.fc; 228 229 FWE_POLL_DEREGISTER(fwe, ifp); 230 231 if (fwe->dma_ch >= 0) { 232 xferq = fc->ir[fwe->dma_ch]; 233 234 if (xferq->flag & FWXFERQ_RUNNING) 235 fc->irx_disable(fc, fwe->dma_ch); 236 xferq->flag &= 237 ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | 238 FWXFERQ_EXTBUF | FWXFERQ_HANDLER); 239 xferq->hand = NULL; 240 241 for (i = 0; i < xferq->bnchunk; i ++) 242 m_freem(xferq->bulkxfer[i].mbuf); 243 free(xferq->bulkxfer, M_FWE); 244 245 for (xfer = STAILQ_FIRST(&fwe->xferlist); xfer != NULL; 246 xfer = next) { 247 next = STAILQ_NEXT(xfer, link); 248 fw_xfer_free(xfer); 249 } 250 STAILQ_INIT(&fwe->xferlist); 251 252 xferq->bulkxfer = NULL; 253 fwe->dma_ch = -1; 254 } 255 256 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 257} 258 259static int 260fwe_detach(device_t dev) 261{ 262 struct fwe_softc *fwe; 263 int s; 264 265 fwe = (struct fwe_softc *)device_get_softc(dev); 266 s = splimp(); 267 268 fwe_stop(fwe); 269#if __FreeBSD_version >= 500000 270 ether_ifdetach(&fwe->fwe_if); 271#else 272 ether_ifdetach(&fwe->fwe_if, 1); 273#endif 274 275 splx(s); 276 return 0; 277} 278 279static void 280fwe_init(void *arg) 281{ 282 struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 283 struct firewire_comm *fc; 284 struct ifnet *ifp = &fwe->fwe_if; 285 struct fw_xferq *xferq; 286 struct fw_xfer *xfer; 287 int i; 288 289 FWEDEBUG("initializing %s%d\n", ifp->if_name, ifp->if_unit); 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 xferq = NULL; 298 for (i = START; i < fc->nisodma; i ++) { 299 xferq = fc->ir[i]; 300 if ((xferq->flag & FWXFERQ_OPEN) == 0) 301 break; 302 } 303 304 if (xferq == NULL) { 305 printf("no free dma channel\n"); 306 return; 307 } 308 fwe->dma_ch = i; 309 fwe->stream_ch = stream_ch; 310 fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 311 /* allocate DMA channel and init packet mode */ 312 xferq->flag |= FWXFERQ_OPEN | FWXFERQ_EXTBUF; 313 xferq->flag &= ~0xff; 314 xferq->flag |= fwe->stream_ch & 0xff; 315 /* register fwe_input handler */ 316 xferq->sc = (caddr_t) fwe; 317 xferq->hand = fwe_as_input; 318 xferq->flag |= FWXFERQ_HANDLER; 319 xferq->bnchunk = RX_MAX_QUEUE; 320 xferq->bnpacket = 1; 321 xferq->psize = MCLBYTES; 322 xferq->queued = 0; 323 xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 324 sizeof(struct fw_bulkxfer) * xferq->bnchunk, M_FWE, 0); 325 if (xferq->bulkxfer == NULL) { 326 printf("if_fwe: malloc failed\n"); 327 return; 328 } 329 STAILQ_INIT(&xferq->stvalid); 330 STAILQ_INIT(&xferq->stfree); 331 STAILQ_INIT(&xferq->stdma); 332 xferq->stproc = NULL; 333 for (i = 0; i < xferq->bnchunk; i ++) { 334 xferq->bulkxfer[i].mbuf = 335#if __FreeBSD_version >= 500000 336 m_getcl(M_TRYWAIT, MT_DATA, M_PKTHDR); 337#else 338 m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 339#endif 340 xferq->bulkxfer[i].buf = 341 mtod(xferq->bulkxfer[i].mbuf, char *); 342 STAILQ_INSERT_TAIL(&xferq->stfree, 343 &xferq->bulkxfer[i], link); 344 } 345 STAILQ_INIT(&fwe->xferlist); 346 for (i = 0; i < TX_MAX_QUEUE; i++) { 347 xfer = fw_xfer_alloc(M_FWE); 348 if (xfer == NULL) 349 break; 350 xfer->send.off = 0; 351 xfer->spd = 2; 352 xfer->fc = fwe->fd.fc; 353 xfer->retry_req = fw_asybusy; 354 xfer->sc = (caddr_t)fwe; 355 xfer->act.hand = fwe_output_callback; 356 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 357 } 358 } else 359 xferq = fc->ir[fwe->dma_ch]; 360 361 362 /* start dma */ 363 if ((xferq->flag & FWXFERQ_RUNNING) == 0) 364 fc->irx_enable(fc, fwe->dma_ch); 365 366 ifp->if_flags |= IFF_RUNNING; 367 ifp->if_flags &= ~IFF_OACTIVE; 368 369 FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 370#if 0 371 /* attempt to start output */ 372 fwe_start(ifp); 373#endif 374} 375 376 377static int 378fwe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 379{ 380 struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 381 struct ifstat *ifs = NULL; 382 int s, error, len; 383 384 switch (cmd) { 385 case SIOCSIFFLAGS: 386 s = splimp(); 387 if (ifp->if_flags & IFF_UP) { 388 if (!(ifp->if_flags & IFF_RUNNING)) 389 fwe_init(&fwe->eth_softc); 390 } else { 391 if (ifp->if_flags & IFF_RUNNING) 392 fwe_stop(fwe); 393 } 394 /* XXX keep promiscoud mode */ 395 ifp->if_flags |= IFF_PROMISC; 396 splx(s); 397 break; 398 case SIOCADDMULTI: 399 case SIOCDELMULTI: 400 break; 401 402 case SIOCGIFSTATUS: 403 s = splimp(); 404 ifs = (struct ifstat *)data; 405 len = strlen(ifs->ascii); 406 if (len < sizeof(ifs->ascii)) 407 snprintf(ifs->ascii + len, 408 sizeof(ifs->ascii) - len, 409 "\tch %d dma %d\n", 410 fwe->stream_ch, fwe->dma_ch); 411 splx(s); 412 break; 413#if __FreeBSD_version >= 500000 414 default: 415#else 416 case SIOCSIFADDR: 417 case SIOCGIFADDR: 418 case SIOCSIFMTU: 419#endif 420 s = splimp(); 421 error = ether_ioctl(ifp, cmd, data); 422 splx(s); 423 return (error); 424#if __FreeBSD_version < 500000 425 default: 426 return (EINVAL); 427#endif 428 } 429 430 return (0); 431} 432 433static void 434fwe_output_callback(struct fw_xfer *xfer) 435{ 436 struct fwe_softc *fwe; 437 struct ifnet *ifp; 438 int s; 439 440 fwe = (struct fwe_softc *)xfer->sc; 441 ifp = &fwe->fwe_if; 442 /* XXX error check */ 443 FWEDEBUG("resp = %d\n", xfer->resp); 444 if (xfer->resp != 0) 445 ifp->if_oerrors ++; 446 447 m_freem(xfer->mbuf); 448 xfer->send.buf = NULL; 449#if 0 450 fw_xfer_unload(xfer); 451#else 452 xfer->state = FWXF_INIT; 453 xfer->resp = 0; 454 xfer->retry = 0; 455#endif 456 s = splimp(); 457 STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 458 splx(s); 459#if 1 460 /* XXX for queue full */ 461 if (ifp->if_snd.ifq_head != NULL) 462 fwe_start(ifp); 463#endif 464} 465 466static void 467fwe_start(struct ifnet *ifp) 468{ 469 struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 470 int s; 471 472#if 1 473 FWEDEBUG("%s%d starting\n", ifp->if_name, ifp->if_unit); 474 475 if (fwe->dma_ch < 0) { 476 struct mbuf *m = NULL; 477 478 FWEDEBUG("%s%d not ready.\n", ifp->if_name, ifp->if_unit); 479 480 s = splimp(); 481 do { 482 IF_DEQUEUE(&ifp->if_snd, m); 483 if (m != NULL) 484 m_freem(m); 485 ifp->if_oerrors ++; 486 } while (m != NULL); 487 splx(s); 488 489 return; 490 } 491 492#endif 493 s = splimp(); 494 ifp->if_flags |= IFF_OACTIVE; 495 496 if (ifp->if_snd.ifq_len != 0) 497 fwe_as_output(fwe, ifp); 498 499 ifp->if_flags &= ~IFF_OACTIVE; 500 splx(s); 501} 502 503#define HDR_LEN 4 504#ifndef ETHER_ALIGN 505#define ETHER_ALIGN 2 506#endif 507/* Async. stream output */ 508static void 509fwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) 510{ 511 struct mbuf *m; 512 struct fw_xfer *xfer; 513 struct fw_xferq *xferq; 514 struct fw_pkt *fp; 515 int i = 0; 516 517 xfer = NULL; 518 xferq = fwe->fd.fc->atq; 519 while (xferq->queued < xferq->maxq - 1) { 520 xfer = STAILQ_FIRST(&fwe->xferlist); 521 if (xfer == NULL) { 522 printf("if_fwe: lack of xfer\n"); 523 return; 524 } 525 IF_DEQUEUE(&ifp->if_snd, m); 526 if (m == NULL) 527 break; 528 STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 529#if __FreeBSD_version >= 500000 530 BPF_MTAP(ifp, m); 531#else 532 if (ifp->if_bpf != NULL) 533 bpf_mtap(ifp, m); 534#endif 535 536 /* keep ip packet alignment for alpha */ 537 M_PREPEND(m, ETHER_ALIGN, M_DONTWAIT); 538 fp = (struct fw_pkt *)&xfer->dst; /* XXX */ 539 xfer->dst = *((int32_t *)&fwe->pkt_hdr); 540 fp->mode.stream.len = htons(m->m_pkthdr.len); 541 xfer->send.buf = (caddr_t) fp; 542 xfer->mbuf = m; 543 xfer->send.len = m->m_pkthdr.len + HDR_LEN; 544 545 if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 546 /* error */ 547 ifp->if_oerrors ++; 548 /* XXX set error code */ 549 fwe_output_callback(xfer); 550 } else { 551 ifp->if_opackets ++; 552 i++; 553 } 554 } 555#if 0 556 if (i > 1) 557 printf("%d queued\n", i); 558#endif 559 if (i > 0) 560 xferq->start(fwe->fd.fc); 561} 562 563#if 0 564#if __FreeBSD_version >= 500000 565static void 566fwe_free(void *buf, void *args) 567{ 568 FWEDEBUG("fwe_free:\n"); 569 free(buf, M_FW); 570} 571 572#else 573static void 574fwe_free(caddr_t buf, u_int size) 575{ 576 int *p; 577 FWEDEBUG("fwe_free:\n"); 578 p = (int *)buf; 579 (*p) --; 580 if (*p < 1) 581 free(buf, M_FW); 582} 583 584static void 585fwe_ref(caddr_t buf, u_int size) 586{ 587 int *p; 588 589 FWEDEBUG("fwe_ref: called\n"); 590 p = (int *)buf; 591 (*p) ++; 592} 593#endif 594#endif 595 596/* Async. stream output */ 597static void 598fwe_as_input(struct fw_xferq *xferq) 599{ 600 struct mbuf *m; 601 struct ifnet *ifp; 602 struct fwe_softc *fwe; 603 struct fw_bulkxfer *sxfer; 604 struct fw_pkt *fp; 605 u_char *c; 606#if __FreeBSD_version < 500000 607 struct ether_header *eh; 608#endif 609 610 fwe = (struct fwe_softc *)xferq->sc; 611 ifp = &fwe->fwe_if; 612#if 0 613 FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 614#endif 615 while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 616 STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 617#if 0 618 xferq->queued --; 619#endif 620 if (sxfer->resp != 0) 621 ifp->if_ierrors ++; 622 fp = (struct fw_pkt *)sxfer->buf; 623 /* XXX */ 624 if (fwe->fd.fc->irx_post != NULL) 625 fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 626 m = sxfer->mbuf; 627 628 /* insert rbuf */ 629 sxfer->mbuf = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 630 sxfer->buf = mtod(sxfer->mbuf, char *); 631 STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 632 633 m->m_data += HDR_LEN + ETHER_ALIGN; 634 c = mtod(m, char *); 635#if __FreeBSD_version < 500000 636 eh = (struct ether_header *)c; 637 m->m_data += sizeof(struct ether_header); 638#endif 639 m->m_len = m->m_pkthdr.len = 640 ntohs(fp->mode.stream.len) - ETHER_ALIGN; 641 m->m_pkthdr.rcvif = ifp; 642#if 0 643 FWEDEBUG("%02x %02x %02x %02x %02x %02x\n" 644 "%02x %02x %02x %02x %02x %02x\n" 645 "%02x %02x %02x %02x\n" 646 "%02x %02x %02x %02x\n" 647 "%02x %02x %02x %02x\n" 648 "%02x %02x %02x %02x\n", 649 c[0], c[1], c[2], c[3], c[4], c[5], 650 c[6], c[7], c[8], c[9], c[10], c[11], 651 c[12], c[13], c[14], c[15], 652 c[16], c[17], c[18], c[19], 653 c[20], c[21], c[22], c[23], 654 c[20], c[21], c[22], c[23] 655 ); 656#endif 657#if __FreeBSD_version >= 500000 658 (*ifp->if_input)(ifp, m); 659#else 660 ether_input(ifp, eh, m); 661#endif 662 ifp->if_ipackets ++; 663 } 664 if (STAILQ_FIRST(&xferq->stfree) != NULL) 665 fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 666} 667 668 669static devclass_t fwe_devclass; 670 671static device_method_t fwe_methods[] = { 672 /* device interface */ 673 DEVMETHOD(device_identify, fwe_identify), 674 DEVMETHOD(device_probe, fwe_probe), 675 DEVMETHOD(device_attach, fwe_attach), 676 DEVMETHOD(device_detach, fwe_detach), 677 { 0, 0 } 678}; 679 680static driver_t fwe_driver = { 681 "if_fwe", 682 fwe_methods, 683 sizeof(struct fwe_softc), 684}; 685 686 687DRIVER_MODULE(if_fwe, firewire, fwe_driver, fwe_devclass, 0, 0); 688MODULE_VERSION(if_fwe, 1); 689MODULE_DEPEND(if_fwe, firewire, 1, 1, 1); 690