if_fwip.c revision 188394
1139749Simp/*- 2130407Sdfr * Copyright (c) 2004 3130407Sdfr * Doug Rabson 4130407Sdfr * Copyright (c) 2002-2003 5130407Sdfr * Hidetoshi Shimokawa. All rights reserved. 6130407Sdfr * 7130407Sdfr * Redistribution and use in source and binary forms, with or without 8130407Sdfr * modification, are permitted provided that the following conditions 9130407Sdfr * are met: 10130407Sdfr * 1. Redistributions of source code must retain the above copyright 11130407Sdfr * notice, this list of conditions and the following disclaimer. 12130407Sdfr * 2. Redistributions in binary form must reproduce the above copyright 13130407Sdfr * notice, this list of conditions and the following disclaimer in the 14130407Sdfr * documentation and/or other materials provided with the distribution. 15130407Sdfr * 3. All advertising materials mentioning features or use of this software 16130407Sdfr * must display the following acknowledgement: 17130407Sdfr * 18130407Sdfr * This product includes software developed by Hidetoshi Shimokawa. 19130407Sdfr * 20130407Sdfr * 4. Neither the name of the author nor the names of its contributors 21130407Sdfr * may be used to endorse or promote products derived from this software 22130407Sdfr * without specific prior written permission. 23130407Sdfr * 24130407Sdfr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25130407Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26130407Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27130407Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28130407Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29130407Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30130407Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31130407Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32130407Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33130407Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34130407Sdfr * SUCH DAMAGE. 35130407Sdfr * 36130407Sdfr * $FreeBSD: head/sys/dev/firewire/if_fwip.c 188394 2009-02-09 16:58:18Z fjoe $ 37130407Sdfr */ 38130407Sdfr 39150968Sglebius#ifdef HAVE_KERNEL_OPTION_HEADERS 40150968Sglebius#include "opt_device_polling.h" 41130407Sdfr#include "opt_inet.h" 42150968Sglebius#endif 43130407Sdfr 44130407Sdfr#include <sys/param.h> 45130407Sdfr#include <sys/kernel.h> 46130407Sdfr#include <sys/malloc.h> 47130407Sdfr#include <sys/mbuf.h> 48130407Sdfr#include <sys/socket.h> 49130407Sdfr#include <sys/sockio.h> 50130407Sdfr#include <sys/sysctl.h> 51130407Sdfr#include <sys/systm.h> 52130407Sdfr#include <sys/taskqueue.h> 53130407Sdfr#include <sys/module.h> 54130407Sdfr#include <sys/bus.h> 55130407Sdfr#include <machine/bus.h> 56130407Sdfr 57130407Sdfr#include <net/bpf.h> 58130407Sdfr#include <net/if.h> 59130407Sdfr#include <net/firewire.h> 60130407Sdfr#include <net/if_arp.h> 61147256Sbrooks#include <net/if_types.h> 62130407Sdfr#ifdef __DragonFly__ 63130407Sdfr#include <bus/firewire/firewire.h> 64130407Sdfr#include <bus/firewire/firewirereg.h> 65130407Sdfr#include "if_fwipvar.h" 66130407Sdfr#else 67130407Sdfr#include <dev/firewire/firewire.h> 68130407Sdfr#include <dev/firewire/firewirereg.h> 69130411Sdfr#include <dev/firewire/iec13213.h> 70130407Sdfr#include <dev/firewire/if_fwipvar.h> 71130407Sdfr#endif 72130407Sdfr 73130407Sdfr/* 74130407Sdfr * We really need a mechanism for allocating regions in the FIFO 75130407Sdfr * address space. We pick a address in the OHCI controller's 'middle' 76130407Sdfr * address space. This means that the controller will automatically 77130407Sdfr * send responses for us, which is fine since we don't have any 78130407Sdfr * important information to put in the response anyway. 79130407Sdfr */ 80130407Sdfr#define INET_FIFO 0xfffe00000000LL 81130407Sdfr 82130407Sdfr#define FWIPDEBUG if (fwipdebug) if_printf 83130407Sdfr#define TX_MAX_QUEUE (FWMAXQUEUE - 1) 84130407Sdfr 85130407Sdfr/* network interface */ 86130407Sdfrstatic void fwip_start (struct ifnet *); 87130407Sdfrstatic int fwip_ioctl (struct ifnet *, u_long, caddr_t); 88130407Sdfrstatic void fwip_init (void *); 89130407Sdfr 90130407Sdfrstatic void fwip_post_busreset (void *); 91130407Sdfrstatic void fwip_output_callback (struct fw_xfer *); 92130407Sdfrstatic void fwip_async_output (struct fwip_softc *, struct ifnet *); 93130407Sdfrstatic void fwip_start_send (void *, int); 94130407Sdfrstatic void fwip_stream_input (struct fw_xferq *); 95130407Sdfrstatic void fwip_unicast_input(struct fw_xfer *); 96130407Sdfr 97130407Sdfrstatic int fwipdebug = 0; 98132445Sdfrstatic int broadcast_channel = 0xc0 | 0x1f; /* tag | channel(XXX) */ 99130407Sdfrstatic int tx_speed = 2; 100130407Sdfrstatic int rx_queue_len = FWMAXQUEUE; 101130407Sdfr 102130407SdfrMALLOC_DEFINE(M_FWIP, "if_fwip", "IP over FireWire interface"); 103130407SdfrSYSCTL_INT(_debug, OID_AUTO, if_fwip_debug, CTLFLAG_RW, &fwipdebug, 0, ""); 104130407SdfrSYSCTL_DECL(_hw_firewire); 105130407SdfrSYSCTL_NODE(_hw_firewire, OID_AUTO, fwip, CTLFLAG_RD, 0, 106130407Sdfr "Firewire ip subsystem"); 107130407SdfrSYSCTL_INT(_hw_firewire_fwip, OID_AUTO, rx_queue_len, CTLFLAG_RW, &rx_queue_len, 108130407Sdfr 0, "Length of the receive queue"); 109130407Sdfr 110130407SdfrTUNABLE_INT("hw.firewire.fwip.rx_queue_len", &rx_queue_len); 111130407Sdfr 112130407Sdfr#ifdef DEVICE_POLLING 113130407Sdfrstatic poll_handler_t fwip_poll; 114130407Sdfr 115130407Sdfrstatic void 116130407Sdfrfwip_poll(struct ifnet *ifp, enum poll_cmd cmd, int count) 117130407Sdfr{ 118130407Sdfr struct fwip_softc *fwip; 119130407Sdfr struct firewire_comm *fc; 120130407Sdfr 121150789Sglebius if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 122150789Sglebius return; 123150789Sglebius 124130407Sdfr fwip = ((struct fwip_eth_softc *)ifp->if_softc)->fwip; 125130407Sdfr fc = fwip->fd.fc; 126130407Sdfr fc->poll(fc, (cmd == POLL_AND_CHECK_STATUS)?0:1, count); 127130407Sdfr} 128150789Sglebius#endif /* DEVICE_POLLING */ 129150789Sglebius 130130407Sdfrstatic void 131130407Sdfrfwip_identify(driver_t *driver, device_t parent) 132130407Sdfr{ 133130407Sdfr BUS_ADD_CHILD(parent, 0, "fwip", device_get_unit(parent)); 134130407Sdfr} 135130407Sdfr 136130407Sdfrstatic int 137130407Sdfrfwip_probe(device_t dev) 138130407Sdfr{ 139130407Sdfr device_t pa; 140130407Sdfr 141130407Sdfr pa = device_get_parent(dev); 142130407Sdfr if(device_get_unit(dev) != device_get_unit(pa)){ 143130407Sdfr return(ENXIO); 144130407Sdfr } 145130407Sdfr 146130407Sdfr device_set_desc(dev, "IP over FireWire"); 147130407Sdfr return (0); 148130407Sdfr} 149130407Sdfr 150130407Sdfrstatic int 151130407Sdfrfwip_attach(device_t dev) 152130407Sdfr{ 153130407Sdfr struct fwip_softc *fwip; 154130407Sdfr struct ifnet *ifp; 155130407Sdfr int unit, s; 156130407Sdfr struct fw_hwaddr *hwaddr; 157130407Sdfr 158130407Sdfr fwip = ((struct fwip_softc *)device_get_softc(dev)); 159130407Sdfr unit = device_get_unit(dev); 160147256Sbrooks ifp = fwip->fw_softc.fwip_ifp = if_alloc(IFT_IEEE1394); 161147256Sbrooks if (ifp == NULL) 162147256Sbrooks return (ENOSPC); 163130407Sdfr 164170374Ssimokawa mtx_init(&fwip->mtx, "fwip", NULL, MTX_DEF); 165130407Sdfr /* XXX */ 166130407Sdfr fwip->dma_ch = -1; 167130407Sdfr 168130407Sdfr fwip->fd.fc = device_get_ivars(dev); 169130407Sdfr if (tx_speed < 0) 170130407Sdfr tx_speed = fwip->fd.fc->speed; 171130407Sdfr 172130407Sdfr fwip->fd.dev = dev; 173130407Sdfr fwip->fd.post_explore = NULL; 174130407Sdfr fwip->fd.post_busreset = fwip_post_busreset; 175130407Sdfr fwip->fw_softc.fwip = fwip; 176130407Sdfr TASK_INIT(&fwip->start_send, 0, fwip_start_send, fwip); 177130407Sdfr 178130407Sdfr /* 179130407Sdfr * Encode our hardware the way that arp likes it. 180130407Sdfr */ 181147256Sbrooks hwaddr = &IFP2FWC(fwip->fw_softc.fwip_ifp)->fc_hwaddr; 182130407Sdfr hwaddr->sender_unique_ID_hi = htonl(fwip->fd.fc->eui.hi); 183130407Sdfr hwaddr->sender_unique_ID_lo = htonl(fwip->fd.fc->eui.lo); 184130407Sdfr hwaddr->sender_max_rec = fwip->fd.fc->maxrec; 185130407Sdfr hwaddr->sspd = fwip->fd.fc->speed; 186130407Sdfr hwaddr->sender_unicast_FIFO_hi = htons((uint16_t)(INET_FIFO >> 32)); 187130407Sdfr hwaddr->sender_unicast_FIFO_lo = htonl((uint32_t)INET_FIFO); 188130407Sdfr 189130407Sdfr /* fill the rest and attach interface */ 190130407Sdfr ifp->if_softc = &fwip->fw_softc; 191130407Sdfr 192130407Sdfr#if __FreeBSD_version >= 501113 || defined(__DragonFly__) 193130407Sdfr if_initname(ifp, device_get_name(dev), unit); 194130407Sdfr#else 195130407Sdfr ifp->if_unit = unit; 196130407Sdfr ifp->if_name = "fwip"; 197130407Sdfr#endif 198130407Sdfr ifp->if_init = fwip_init; 199130407Sdfr ifp->if_start = fwip_start; 200130407Sdfr ifp->if_ioctl = fwip_ioctl; 201170374Ssimokawa ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST); 202130407Sdfr ifp->if_snd.ifq_maxlen = TX_MAX_QUEUE; 203150789Sglebius#ifdef DEVICE_POLLING 204150789Sglebius ifp->if_capabilities |= IFCAP_POLLING; 205150789Sglebius#endif 206130407Sdfr 207130407Sdfr s = splimp(); 208130407Sdfr firewire_ifattach(ifp, hwaddr); 209130407Sdfr splx(s); 210130407Sdfr 211130407Sdfr FWIPDEBUG(ifp, "interface created\n"); 212130407Sdfr return 0; 213130407Sdfr} 214130407Sdfr 215130407Sdfrstatic void 216130407Sdfrfwip_stop(struct fwip_softc *fwip) 217130407Sdfr{ 218130407Sdfr struct firewire_comm *fc; 219130407Sdfr struct fw_xferq *xferq; 220147256Sbrooks struct ifnet *ifp = fwip->fw_softc.fwip_ifp; 221130407Sdfr struct fw_xfer *xfer, *next; 222130407Sdfr int i; 223130407Sdfr 224130407Sdfr fc = fwip->fd.fc; 225130407Sdfr 226130407Sdfr if (fwip->dma_ch >= 0) { 227130407Sdfr xferq = fc->ir[fwip->dma_ch]; 228130407Sdfr 229130407Sdfr if (xferq->flag & FWXFERQ_RUNNING) 230130407Sdfr fc->irx_disable(fc, fwip->dma_ch); 231130407Sdfr xferq->flag &= 232130407Sdfr ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | FWXFERQ_STREAM | 233130407Sdfr FWXFERQ_EXTBUF | FWXFERQ_HANDLER | FWXFERQ_CHTAGMASK); 234130407Sdfr xferq->hand = NULL; 235130407Sdfr 236130407Sdfr for (i = 0; i < xferq->bnchunk; i ++) 237130407Sdfr m_freem(xferq->bulkxfer[i].mbuf); 238130407Sdfr free(xferq->bulkxfer, M_FWIP); 239130407Sdfr 240130407Sdfr fw_bindremove(fc, &fwip->fwb); 241130407Sdfr for (xfer = STAILQ_FIRST(&fwip->fwb.xferlist); xfer != NULL; 242130407Sdfr xfer = next) { 243130407Sdfr next = STAILQ_NEXT(xfer, link); 244130407Sdfr fw_xfer_free(xfer); 245130407Sdfr } 246130407Sdfr 247130407Sdfr for (xfer = STAILQ_FIRST(&fwip->xferlist); xfer != NULL; 248130407Sdfr xfer = next) { 249130407Sdfr next = STAILQ_NEXT(xfer, link); 250130407Sdfr fw_xfer_free(xfer); 251130407Sdfr } 252130407Sdfr STAILQ_INIT(&fwip->xferlist); 253130407Sdfr 254130407Sdfr xferq->bulkxfer = NULL; 255130407Sdfr fwip->dma_ch = -1; 256130407Sdfr } 257130407Sdfr 258148887Srwatson#if defined(__FreeBSD__) 259148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 260148887Srwatson#else 261130407Sdfr ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 262148887Srwatson#endif 263130407Sdfr} 264130407Sdfr 265130407Sdfrstatic int 266130407Sdfrfwip_detach(device_t dev) 267130407Sdfr{ 268130407Sdfr struct fwip_softc *fwip; 269150789Sglebius struct ifnet *ifp; 270130407Sdfr int s; 271130407Sdfr 272130407Sdfr fwip = (struct fwip_softc *)device_get_softc(dev); 273150789Sglebius ifp = fwip->fw_softc.fwip_ifp; 274150789Sglebius 275150789Sglebius#ifdef DEVICE_POLLING 276150789Sglebius if (ifp->if_capenable & IFCAP_POLLING) 277150789Sglebius ether_poll_deregister(ifp); 278150789Sglebius#endif 279150789Sglebius 280130407Sdfr s = splimp(); 281130407Sdfr 282130407Sdfr fwip_stop(fwip); 283150789Sglebius firewire_ifdetach(ifp); 284150789Sglebius if_free(ifp); 285170374Ssimokawa mtx_destroy(&fwip->mtx); 286130407Sdfr 287130407Sdfr splx(s); 288130407Sdfr return 0; 289130407Sdfr} 290130407Sdfr 291130407Sdfrstatic void 292130407Sdfrfwip_init(void *arg) 293130407Sdfr{ 294130407Sdfr struct fwip_softc *fwip = ((struct fwip_eth_softc *)arg)->fwip; 295130407Sdfr struct firewire_comm *fc; 296147256Sbrooks struct ifnet *ifp = fwip->fw_softc.fwip_ifp; 297130407Sdfr struct fw_xferq *xferq; 298130407Sdfr struct fw_xfer *xfer; 299130407Sdfr struct mbuf *m; 300130407Sdfr int i; 301130407Sdfr 302130407Sdfr FWIPDEBUG(ifp, "initializing\n"); 303130407Sdfr 304130407Sdfr fc = fwip->fd.fc; 305130407Sdfr#define START 0 306130407Sdfr if (fwip->dma_ch < 0) { 307170374Ssimokawa fwip->dma_ch = fw_open_isodma(fc, /* tx */0); 308170374Ssimokawa if (fwip->dma_ch < 0) 309170374Ssimokawa return; 310170374Ssimokawa xferq = fc->ir[fwip->dma_ch]; 311170374Ssimokawa xferq->flag |= FWXFERQ_EXTBUF | 312130407Sdfr FWXFERQ_HANDLER | FWXFERQ_STREAM; 313130407Sdfr xferq->flag &= ~0xff; 314130407Sdfr xferq->flag |= broadcast_channel & 0xff; 315130407Sdfr /* register fwip_input handler */ 316130407Sdfr xferq->sc = (caddr_t) fwip; 317130407Sdfr xferq->hand = fwip_stream_input; 318130407Sdfr xferq->bnchunk = rx_queue_len; 319130407Sdfr xferq->bnpacket = 1; 320130407Sdfr xferq->psize = MCLBYTES; 321130407Sdfr xferq->queued = 0; 322130407Sdfr xferq->buf = NULL; 323130407Sdfr xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 324130407Sdfr sizeof(struct fw_bulkxfer) * xferq->bnchunk, 325130407Sdfr M_FWIP, M_WAITOK); 326130407Sdfr if (xferq->bulkxfer == NULL) { 327130407Sdfr printf("if_fwip: malloc failed\n"); 328130407Sdfr return; 329130407Sdfr } 330130407Sdfr STAILQ_INIT(&xferq->stvalid); 331130407Sdfr STAILQ_INIT(&xferq->stfree); 332130407Sdfr STAILQ_INIT(&xferq->stdma); 333130407Sdfr xferq->stproc = NULL; 334130407Sdfr for (i = 0; i < xferq->bnchunk; i ++) { 335177599Sru m = m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 336130407Sdfr xferq->bulkxfer[i].mbuf = m; 337177599Sru m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 338177599Sru STAILQ_INSERT_TAIL(&xferq->stfree, 339177599Sru &xferq->bulkxfer[i], link); 340130407Sdfr } 341130407Sdfr 342130407Sdfr fwip->fwb.start = INET_FIFO; 343130407Sdfr fwip->fwb.end = INET_FIFO + 16384; /* S3200 packet size */ 344130407Sdfr 345130407Sdfr /* pre-allocate xfer */ 346130407Sdfr STAILQ_INIT(&fwip->fwb.xferlist); 347130407Sdfr for (i = 0; i < rx_queue_len; i ++) { 348130407Sdfr xfer = fw_xfer_alloc(M_FWIP); 349130407Sdfr if (xfer == NULL) 350130407Sdfr break; 351177599Sru m = m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 352130407Sdfr xfer->recv.payload = mtod(m, uint32_t *); 353130407Sdfr xfer->recv.pay_len = MCLBYTES; 354167632Ssimokawa xfer->hand = fwip_unicast_input; 355130407Sdfr xfer->fc = fc; 356130407Sdfr xfer->sc = (caddr_t)fwip; 357130407Sdfr xfer->mbuf = m; 358130407Sdfr STAILQ_INSERT_TAIL(&fwip->fwb.xferlist, xfer, link); 359130407Sdfr } 360130407Sdfr fw_bindadd(fc, &fwip->fwb); 361130407Sdfr 362130407Sdfr STAILQ_INIT(&fwip->xferlist); 363130407Sdfr for (i = 0; i < TX_MAX_QUEUE; i++) { 364130407Sdfr xfer = fw_xfer_alloc(M_FWIP); 365130407Sdfr if (xfer == NULL) 366130407Sdfr break; 367130407Sdfr xfer->send.spd = tx_speed; 368130407Sdfr xfer->fc = fwip->fd.fc; 369130407Sdfr xfer->sc = (caddr_t)fwip; 370167632Ssimokawa xfer->hand = fwip_output_callback; 371130407Sdfr STAILQ_INSERT_TAIL(&fwip->xferlist, xfer, link); 372130407Sdfr } 373130407Sdfr } else 374130407Sdfr xferq = fc->ir[fwip->dma_ch]; 375130407Sdfr 376130407Sdfr fwip->last_dest.hi = 0; 377130407Sdfr fwip->last_dest.lo = 0; 378130407Sdfr 379130407Sdfr /* start dma */ 380130407Sdfr if ((xferq->flag & FWXFERQ_RUNNING) == 0) 381130407Sdfr fc->irx_enable(fc, fwip->dma_ch); 382130407Sdfr 383148887Srwatson#if defined(__FreeBSD__) 384148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 385148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 386148887Srwatson#else 387130407Sdfr ifp->if_flags |= IFF_RUNNING; 388130407Sdfr ifp->if_flags &= ~IFF_OACTIVE; 389148887Srwatson#endif 390130407Sdfr 391130407Sdfr#if 0 392130407Sdfr /* attempt to start output */ 393130407Sdfr fwip_start(ifp); 394130407Sdfr#endif 395130407Sdfr} 396130407Sdfr 397130407Sdfrstatic int 398130407Sdfrfwip_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 399130407Sdfr{ 400130407Sdfr struct fwip_softc *fwip = ((struct fwip_eth_softc *)ifp->if_softc)->fwip; 401130407Sdfr int s, error; 402130407Sdfr 403130407Sdfr switch (cmd) { 404130407Sdfr case SIOCSIFFLAGS: 405130407Sdfr s = splimp(); 406130407Sdfr if (ifp->if_flags & IFF_UP) { 407148887Srwatson#if defined(__FreeBSD__) 408148887Srwatson if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 409148887Srwatson#else 410130407Sdfr if (!(ifp->if_flags & IFF_RUNNING)) 411148887Srwatson#endif 412130407Sdfr fwip_init(&fwip->fw_softc); 413130407Sdfr } else { 414148887Srwatson#if defined(__FreeBSD__) 415148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 416148887Srwatson#else 417130407Sdfr if (ifp->if_flags & IFF_RUNNING) 418148887Srwatson#endif 419130407Sdfr fwip_stop(fwip); 420130407Sdfr } 421130407Sdfr splx(s); 422130407Sdfr break; 423130407Sdfr case SIOCADDMULTI: 424130407Sdfr case SIOCDELMULTI: 425130407Sdfr break; 426150789Sglebius case SIOCSIFCAP: 427150789Sglebius#ifdef DEVICE_POLLING 428150789Sglebius { 429150789Sglebius struct ifreq *ifr = (struct ifreq *) data; 430188394Sfjoe struct firewire_comm *fc = fwip->fd.fc; 431130407Sdfr 432150789Sglebius if (ifr->ifr_reqcap & IFCAP_POLLING && 433150789Sglebius !(ifp->if_capenable & IFCAP_POLLING)) { 434150789Sglebius error = ether_poll_register(fwip_poll, ifp); 435150789Sglebius if (error) 436150789Sglebius return(error); 437150789Sglebius /* Disable interrupts */ 438150789Sglebius fc->set_intr(fc, 0); 439150789Sglebius ifp->if_capenable |= IFCAP_POLLING; 440150789Sglebius return (error); 441150789Sglebius 442150789Sglebius } 443150789Sglebius if (!(ifr->ifr_reqcap & IFCAP_POLLING) && 444150789Sglebius ifp->if_capenable & IFCAP_POLLING) { 445150789Sglebius error = ether_poll_deregister(ifp); 446150789Sglebius /* Enable interrupts. */ 447150789Sglebius fc->set_intr(fc, 1); 448150789Sglebius ifp->if_capenable &= ~IFCAP_POLLING; 449150789Sglebius return (error); 450150789Sglebius } 451150789Sglebius } 452150789Sglebius#endif /* DEVICE_POLLING */ 453150789Sglebius break; 454130407Sdfr#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 455130407Sdfr default: 456130407Sdfr#else 457130407Sdfr case SIOCSIFADDR: 458130407Sdfr case SIOCGIFADDR: 459130407Sdfr case SIOCSIFMTU: 460130407Sdfr#endif 461130407Sdfr s = splimp(); 462130407Sdfr error = firewire_ioctl(ifp, cmd, data); 463130407Sdfr splx(s); 464130407Sdfr return (error); 465130407Sdfr#if defined(__DragonFly__) || __FreeBSD_version < 500000 466130407Sdfr default: 467130407Sdfr return (EINVAL); 468130407Sdfr#endif 469130407Sdfr } 470130407Sdfr 471130407Sdfr return (0); 472130407Sdfr} 473130407Sdfr 474130407Sdfrstatic void 475130407Sdfrfwip_post_busreset(void *arg) 476130407Sdfr{ 477130407Sdfr struct fwip_softc *fwip = arg; 478130411Sdfr struct crom_src *src; 479130411Sdfr struct crom_chunk *root; 480130407Sdfr 481130411Sdfr src = fwip->fd.fc->crom_src; 482130411Sdfr root = fwip->fd.fc->crom_root; 483130411Sdfr 484130411Sdfr /* RFC2734 IPv4 over IEEE1394 */ 485130411Sdfr bzero(&fwip->unit4, sizeof(struct crom_chunk)); 486130411Sdfr crom_add_chunk(src, root, &fwip->unit4, CROM_UDIR); 487130411Sdfr crom_add_entry(&fwip->unit4, CSRKEY_SPEC, CSRVAL_IETF); 488130411Sdfr crom_add_simple_text(src, &fwip->unit4, &fwip->spec4, "IANA"); 489130411Sdfr crom_add_entry(&fwip->unit4, CSRKEY_VER, 1); 490130411Sdfr crom_add_simple_text(src, &fwip->unit4, &fwip->ver4, "IPv4"); 491130411Sdfr 492130411Sdfr /* RFC3146 IPv6 over IEEE1394 */ 493130411Sdfr bzero(&fwip->unit6, sizeof(struct crom_chunk)); 494130411Sdfr crom_add_chunk(src, root, &fwip->unit6, CROM_UDIR); 495130411Sdfr crom_add_entry(&fwip->unit6, CSRKEY_SPEC, CSRVAL_IETF); 496130411Sdfr crom_add_simple_text(src, &fwip->unit6, &fwip->spec6, "IANA"); 497130411Sdfr crom_add_entry(&fwip->unit6, CSRKEY_VER, 2); 498130411Sdfr crom_add_simple_text(src, &fwip->unit6, &fwip->ver6, "IPv6"); 499130411Sdfr 500130407Sdfr fwip->last_dest.hi = 0; 501130407Sdfr fwip->last_dest.lo = 0; 502147256Sbrooks firewire_busreset(fwip->fw_softc.fwip_ifp); 503130407Sdfr} 504130407Sdfr 505130407Sdfrstatic void 506130407Sdfrfwip_output_callback(struct fw_xfer *xfer) 507130407Sdfr{ 508130407Sdfr struct fwip_softc *fwip; 509130407Sdfr struct ifnet *ifp; 510130407Sdfr int s; 511130407Sdfr 512130407Sdfr fwip = (struct fwip_softc *)xfer->sc; 513147256Sbrooks ifp = fwip->fw_softc.fwip_ifp; 514130407Sdfr /* XXX error check */ 515130407Sdfr FWIPDEBUG(ifp, "resp = %d\n", xfer->resp); 516130407Sdfr if (xfer->resp != 0) 517130407Sdfr ifp->if_oerrors ++; 518130407Sdfr 519130407Sdfr m_freem(xfer->mbuf); 520130407Sdfr fw_xfer_unload(xfer); 521130407Sdfr 522130407Sdfr s = splimp(); 523170374Ssimokawa FWIP_LOCK(fwip); 524130407Sdfr STAILQ_INSERT_TAIL(&fwip->xferlist, xfer, link); 525170374Ssimokawa FWIP_UNLOCK(fwip); 526130407Sdfr splx(s); 527130407Sdfr 528130407Sdfr /* for queue full */ 529170374Ssimokawa if (ifp->if_snd.ifq_head != NULL) { 530130407Sdfr fwip_start(ifp); 531170374Ssimokawa } 532130407Sdfr} 533130407Sdfr 534130407Sdfrstatic void 535130407Sdfrfwip_start(struct ifnet *ifp) 536130407Sdfr{ 537130407Sdfr struct fwip_softc *fwip = ((struct fwip_eth_softc *)ifp->if_softc)->fwip; 538130407Sdfr int s; 539130407Sdfr 540130407Sdfr FWIPDEBUG(ifp, "starting\n"); 541130407Sdfr 542130407Sdfr if (fwip->dma_ch < 0) { 543130407Sdfr struct mbuf *m = NULL; 544130407Sdfr 545130407Sdfr FWIPDEBUG(ifp, "not ready\n"); 546130407Sdfr 547130407Sdfr s = splimp(); 548130407Sdfr do { 549130407Sdfr IF_DEQUEUE(&ifp->if_snd, m); 550130407Sdfr if (m != NULL) 551130407Sdfr m_freem(m); 552130407Sdfr ifp->if_oerrors ++; 553130407Sdfr } while (m != NULL); 554130407Sdfr splx(s); 555130407Sdfr 556130407Sdfr return; 557130407Sdfr } 558130407Sdfr 559130407Sdfr s = splimp(); 560148887Srwatson#if defined(__FreeBSD__) 561148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 562148887Srwatson#else 563130407Sdfr ifp->if_flags |= IFF_OACTIVE; 564148887Srwatson#endif 565130407Sdfr 566130407Sdfr if (ifp->if_snd.ifq_len != 0) 567130407Sdfr fwip_async_output(fwip, ifp); 568130407Sdfr 569148887Srwatson#if defined(__FreeBSD__) 570148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 571148887Srwatson#else 572130407Sdfr ifp->if_flags &= ~IFF_OACTIVE; 573148887Srwatson#endif 574130407Sdfr splx(s); 575130407Sdfr} 576130407Sdfr 577130407Sdfr/* Async. stream output */ 578130407Sdfrstatic void 579130407Sdfrfwip_async_output(struct fwip_softc *fwip, struct ifnet *ifp) 580130407Sdfr{ 581130407Sdfr struct firewire_comm *fc = fwip->fd.fc; 582130407Sdfr struct mbuf *m; 583130407Sdfr struct m_tag *mtag; 584130407Sdfr struct fw_hwaddr *destfw; 585130407Sdfr struct fw_xfer *xfer; 586130407Sdfr struct fw_xferq *xferq; 587130407Sdfr struct fw_pkt *fp; 588130407Sdfr uint16_t nodeid; 589130460Sdfr int error; 590130407Sdfr int i = 0; 591130407Sdfr 592130407Sdfr xfer = NULL; 593170374Ssimokawa xferq = fc->atq; 594170374Ssimokawa while ((xferq->queued < xferq->maxq - 1) && 595170374Ssimokawa (ifp->if_snd.ifq_head != NULL)) { 596170374Ssimokawa FWIP_LOCK(fwip); 597130407Sdfr xfer = STAILQ_FIRST(&fwip->xferlist); 598130407Sdfr if (xfer == NULL) { 599170374Ssimokawa FWIP_UNLOCK(fwip); 600170374Ssimokawa#if 0 601130407Sdfr printf("if_fwip: lack of xfer\n"); 602170374Ssimokawa#endif 603170374Ssimokawa break; 604130407Sdfr } 605170374Ssimokawa STAILQ_REMOVE_HEAD(&fwip->xferlist, link); 606170374Ssimokawa FWIP_UNLOCK(fwip); 607170374Ssimokawa 608130407Sdfr IF_DEQUEUE(&ifp->if_snd, m); 609170374Ssimokawa if (m == NULL) { 610170374Ssimokawa FWIP_LOCK(fwip); 611170374Ssimokawa STAILQ_INSERT_HEAD(&fwip->xferlist, xfer, link); 612170374Ssimokawa FWIP_UNLOCK(fwip); 613130407Sdfr break; 614170374Ssimokawa } 615130407Sdfr 616130407Sdfr /* 617130407Sdfr * Dig out the link-level address which 618130407Sdfr * firewire_output got via arp or neighbour 619130407Sdfr * discovery. If we don't have a link-level address, 620130407Sdfr * just stick the thing on the broadcast channel. 621130407Sdfr */ 622130407Sdfr mtag = m_tag_locate(m, MTAG_FIREWIRE, MTAG_FIREWIRE_HWADDR, 0); 623130407Sdfr if (mtag == NULL) 624130407Sdfr destfw = 0; 625130407Sdfr else 626130407Sdfr destfw = (struct fw_hwaddr *) (mtag + 1); 627130407Sdfr 628130407Sdfr 629130407Sdfr /* 630130407Sdfr * We don't do any bpf stuff here - the generic code 631130407Sdfr * in firewire_output gives the packet to bpf before 632130407Sdfr * it adds the link-level encapsulation. 633130407Sdfr */ 634130407Sdfr 635130407Sdfr /* 636130407Sdfr * Put the mbuf in the xfer early in case we hit an 637130407Sdfr * error case below - fwip_output_callback will free 638130407Sdfr * the mbuf. 639130407Sdfr */ 640130407Sdfr xfer->mbuf = m; 641130407Sdfr 642130407Sdfr /* 643130407Sdfr * We use the arp result (if any) to add a suitable firewire 644130407Sdfr * packet header before handing off to the bus. 645130407Sdfr */ 646130407Sdfr fp = &xfer->send.hdr; 647130407Sdfr nodeid = FWLOCALBUS | fc->nodeid; 648130407Sdfr if ((m->m_flags & M_BCAST) || !destfw) { 649130407Sdfr /* 650130407Sdfr * Broadcast packets are sent as GASP packets with 651130407Sdfr * specifier ID 0x00005e, version 1 on the broadcast 652130407Sdfr * channel. To be conservative, we send at the 653130407Sdfr * slowest possible speed. 654130407Sdfr */ 655130407Sdfr uint32_t *p; 656130407Sdfr 657130407Sdfr M_PREPEND(m, 2*sizeof(uint32_t), M_DONTWAIT); 658130407Sdfr p = mtod(m, uint32_t *); 659130407Sdfr fp->mode.stream.len = m->m_pkthdr.len; 660130407Sdfr fp->mode.stream.chtag = broadcast_channel; 661130407Sdfr fp->mode.stream.tcode = FWTCODE_STREAM; 662130407Sdfr fp->mode.stream.sy = 0; 663130407Sdfr xfer->send.spd = 0; 664130407Sdfr p[0] = htonl(nodeid << 16); 665130407Sdfr p[1] = htonl((0x5e << 24) | 1); 666130407Sdfr } else { 667130407Sdfr /* 668130407Sdfr * Unicast packets are sent as block writes to the 669130407Sdfr * target's unicast fifo address. If we can't 670130407Sdfr * find the node address, we just give up. We 671130407Sdfr * could broadcast it but that might overflow 672130407Sdfr * the packet size limitations due to the 673130407Sdfr * extra GASP header. Note: the hardware 674130407Sdfr * address is stored in network byte order to 675130407Sdfr * make life easier for ARP. 676130407Sdfr */ 677130407Sdfr struct fw_device *fd; 678130407Sdfr struct fw_eui64 eui; 679130407Sdfr 680130407Sdfr eui.hi = ntohl(destfw->sender_unique_ID_hi); 681130407Sdfr eui.lo = ntohl(destfw->sender_unique_ID_lo); 682130407Sdfr if (fwip->last_dest.hi != eui.hi || 683130407Sdfr fwip->last_dest.lo != eui.lo) { 684130407Sdfr fd = fw_noderesolve_eui64(fc, &eui); 685130407Sdfr if (!fd) { 686130407Sdfr /* error */ 687130407Sdfr ifp->if_oerrors ++; 688130407Sdfr /* XXX set error code */ 689130407Sdfr fwip_output_callback(xfer); 690130407Sdfr continue; 691130407Sdfr 692130407Sdfr } 693130407Sdfr fwip->last_hdr.mode.wreqb.dst = FWLOCALBUS | fd->dst; 694130407Sdfr fwip->last_hdr.mode.wreqb.tlrt = 0; 695130407Sdfr fwip->last_hdr.mode.wreqb.tcode = FWTCODE_WREQB; 696130407Sdfr fwip->last_hdr.mode.wreqb.pri = 0; 697130407Sdfr fwip->last_hdr.mode.wreqb.src = nodeid; 698130407Sdfr fwip->last_hdr.mode.wreqb.dest_hi = 699130407Sdfr ntohs(destfw->sender_unicast_FIFO_hi); 700130407Sdfr fwip->last_hdr.mode.wreqb.dest_lo = 701130407Sdfr ntohl(destfw->sender_unicast_FIFO_lo); 702130407Sdfr fwip->last_hdr.mode.wreqb.extcode = 0; 703130407Sdfr fwip->last_dest = eui; 704130407Sdfr } 705130407Sdfr 706130407Sdfr fp->mode.wreqb = fwip->last_hdr.mode.wreqb; 707130407Sdfr fp->mode.wreqb.len = m->m_pkthdr.len; 708130407Sdfr xfer->send.spd = min(destfw->sspd, fc->speed); 709130407Sdfr } 710130407Sdfr 711130407Sdfr xfer->send.pay_len = m->m_pkthdr.len; 712130407Sdfr 713130460Sdfr error = fw_asyreq(fc, -1, xfer); 714130460Sdfr if (error == EAGAIN) { 715130460Sdfr /* 716130460Sdfr * We ran out of tlabels - requeue the packet 717130460Sdfr * for later transmission. 718130460Sdfr */ 719130460Sdfr xfer->mbuf = 0; 720170374Ssimokawa FWIP_LOCK(fwip); 721130460Sdfr STAILQ_INSERT_TAIL(&fwip->xferlist, xfer, link); 722170374Ssimokawa FWIP_UNLOCK(fwip); 723130460Sdfr IF_PREPEND(&ifp->if_snd, m); 724130460Sdfr break; 725130460Sdfr } 726130460Sdfr if (error) { 727130407Sdfr /* error */ 728130407Sdfr ifp->if_oerrors ++; 729130407Sdfr /* XXX set error code */ 730130407Sdfr fwip_output_callback(xfer); 731130407Sdfr continue; 732130407Sdfr } else { 733130407Sdfr ifp->if_opackets ++; 734130407Sdfr i++; 735130407Sdfr } 736130407Sdfr } 737130407Sdfr#if 0 738130407Sdfr if (i > 1) 739130407Sdfr printf("%d queued\n", i); 740130407Sdfr#endif 741170374Ssimokawa if (i > 0) 742130407Sdfr xferq->start(fc); 743130407Sdfr} 744130407Sdfr 745130407Sdfrstatic void 746130407Sdfrfwip_start_send (void *arg, int count) 747130407Sdfr{ 748130407Sdfr struct fwip_softc *fwip = arg; 749130407Sdfr 750130407Sdfr fwip->fd.fc->atq->start(fwip->fd.fc); 751130407Sdfr} 752130407Sdfr 753130407Sdfr/* Async. stream output */ 754130407Sdfrstatic void 755130407Sdfrfwip_stream_input(struct fw_xferq *xferq) 756130407Sdfr{ 757130407Sdfr struct mbuf *m, *m0; 758130407Sdfr struct m_tag *mtag; 759130407Sdfr struct ifnet *ifp; 760130407Sdfr struct fwip_softc *fwip; 761130407Sdfr struct fw_bulkxfer *sxfer; 762130407Sdfr struct fw_pkt *fp; 763130407Sdfr uint16_t src; 764130407Sdfr uint32_t *p; 765130407Sdfr 766130407Sdfr 767130407Sdfr fwip = (struct fwip_softc *)xferq->sc; 768147256Sbrooks ifp = fwip->fw_softc.fwip_ifp; 769150789Sglebius 770130407Sdfr while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 771130407Sdfr STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 772130407Sdfr fp = mtod(sxfer->mbuf, struct fw_pkt *); 773130407Sdfr if (fwip->fd.fc->irx_post != NULL) 774130407Sdfr fwip->fd.fc->irx_post(fwip->fd.fc, fp->mode.ld); 775130407Sdfr m = sxfer->mbuf; 776130407Sdfr 777130407Sdfr /* insert new rbuf */ 778130407Sdfr sxfer->mbuf = m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 779130407Sdfr if (m0 != NULL) { 780130407Sdfr m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 781130407Sdfr STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 782130407Sdfr } else 783130407Sdfr printf("fwip_as_input: m_getcl failed\n"); 784130407Sdfr 785130407Sdfr /* 786130407Sdfr * We must have a GASP header - leave the 787130407Sdfr * encapsulation sanity checks to the generic 788130407Sdfr * code. Remeber that we also have the firewire async 789130407Sdfr * stream header even though that isn't accounted for 790130407Sdfr * in mode.stream.len. 791130407Sdfr */ 792130407Sdfr if (sxfer->resp != 0 || fp->mode.stream.len < 793130407Sdfr 2*sizeof(uint32_t)) { 794130407Sdfr m_freem(m); 795130407Sdfr ifp->if_ierrors ++; 796130407Sdfr continue; 797130407Sdfr } 798130407Sdfr m->m_len = m->m_pkthdr.len = fp->mode.stream.len 799130407Sdfr + sizeof(fp->mode.stream); 800130407Sdfr 801130407Sdfr /* 802130407Sdfr * If we received the packet on the broadcast channel, 803130407Sdfr * mark it as broadcast, otherwise we assume it must 804130407Sdfr * be multicast. 805130407Sdfr */ 806130407Sdfr if (fp->mode.stream.chtag == broadcast_channel) 807130407Sdfr m->m_flags |= M_BCAST; 808130407Sdfr else 809130407Sdfr m->m_flags |= M_MCAST; 810130407Sdfr 811130407Sdfr /* 812130407Sdfr * Make sure we recognise the GASP specifier and 813130407Sdfr * version. 814130407Sdfr */ 815130407Sdfr p = mtod(m, uint32_t *); 816130407Sdfr if ((((ntohl(p[1]) & 0xffff) << 8) | ntohl(p[2]) >> 24) != 0x00005e 817130407Sdfr || (ntohl(p[2]) & 0xffffff) != 1) { 818130407Sdfr FWIPDEBUG(ifp, "Unrecognised GASP header %#08x %#08x\n", 819130407Sdfr ntohl(p[1]), ntohl(p[2])); 820130407Sdfr m_freem(m); 821130407Sdfr ifp->if_ierrors ++; 822130407Sdfr continue; 823130407Sdfr } 824130407Sdfr 825130407Sdfr /* 826130407Sdfr * Record the sender ID for possible BPF usage. 827130407Sdfr */ 828130407Sdfr src = ntohl(p[1]) >> 16; 829165632Sjhb if (bpf_peers_present(ifp->if_bpf)) { 830130407Sdfr mtag = m_tag_alloc(MTAG_FIREWIRE, 831130407Sdfr MTAG_FIREWIRE_SENDER_EUID, 832130407Sdfr 2*sizeof(uint32_t), M_NOWAIT); 833130407Sdfr if (mtag) { 834130407Sdfr /* bpf wants it in network byte order */ 835130407Sdfr struct fw_device *fd; 836130407Sdfr uint32_t *p = (uint32_t *) (mtag + 1); 837130407Sdfr fd = fw_noderesolve_nodeid(fwip->fd.fc, 838130407Sdfr src & 0x3f); 839130407Sdfr if (fd) { 840130407Sdfr p[0] = htonl(fd->eui.hi); 841130407Sdfr p[1] = htonl(fd->eui.lo); 842130407Sdfr } else { 843130407Sdfr p[0] = 0; 844130407Sdfr p[1] = 0; 845130407Sdfr } 846130407Sdfr m_tag_prepend(m, mtag); 847130407Sdfr } 848130407Sdfr } 849130407Sdfr 850130407Sdfr /* 851130407Sdfr * Trim off the GASP header 852130407Sdfr */ 853130407Sdfr m_adj(m, 3*sizeof(uint32_t)); 854130407Sdfr m->m_pkthdr.rcvif = ifp; 855130407Sdfr firewire_input(ifp, m, src); 856130407Sdfr ifp->if_ipackets ++; 857130407Sdfr } 858130407Sdfr if (STAILQ_FIRST(&xferq->stfree) != NULL) 859130407Sdfr fwip->fd.fc->irx_enable(fwip->fd.fc, fwip->dma_ch); 860130407Sdfr} 861130407Sdfr 862130407Sdfrstatic __inline void 863130407Sdfrfwip_unicast_input_recycle(struct fwip_softc *fwip, struct fw_xfer *xfer) 864130407Sdfr{ 865130407Sdfr struct mbuf *m; 866130407Sdfr 867130407Sdfr /* 868130407Sdfr * We have finished with a unicast xfer. Allocate a new 869130407Sdfr * cluster and stick it on the back of the input queue. 870130407Sdfr */ 871177599Sru m = m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 872130407Sdfr xfer->mbuf = m; 873130407Sdfr xfer->recv.payload = mtod(m, uint32_t *); 874130407Sdfr xfer->recv.pay_len = MCLBYTES; 875130407Sdfr xfer->mbuf = m; 876130407Sdfr STAILQ_INSERT_TAIL(&fwip->fwb.xferlist, xfer, link); 877130407Sdfr} 878130407Sdfr 879130407Sdfrstatic void 880130407Sdfrfwip_unicast_input(struct fw_xfer *xfer) 881130407Sdfr{ 882130407Sdfr uint64_t address; 883130407Sdfr struct mbuf *m; 884130407Sdfr struct m_tag *mtag; 885130407Sdfr struct ifnet *ifp; 886130407Sdfr struct fwip_softc *fwip; 887130407Sdfr struct fw_pkt *fp; 888130407Sdfr //struct fw_pkt *sfp; 889130407Sdfr int rtcode; 890130407Sdfr 891130407Sdfr fwip = (struct fwip_softc *)xfer->sc; 892147256Sbrooks ifp = fwip->fw_softc.fwip_ifp; 893130407Sdfr m = xfer->mbuf; 894130407Sdfr xfer->mbuf = 0; 895130407Sdfr fp = &xfer->recv.hdr; 896130407Sdfr 897130407Sdfr /* 898130407Sdfr * Check the fifo address - we only accept addresses of 899130407Sdfr * exactly INET_FIFO. 900130407Sdfr */ 901130407Sdfr address = ((uint64_t)fp->mode.wreqb.dest_hi << 32) 902130407Sdfr | fp->mode.wreqb.dest_lo; 903130407Sdfr if (fp->mode.wreqb.tcode != FWTCODE_WREQB) { 904130407Sdfr rtcode = FWRCODE_ER_TYPE; 905130407Sdfr } else if (address != INET_FIFO) { 906130407Sdfr rtcode = FWRCODE_ER_ADDR; 907130407Sdfr } else { 908130407Sdfr rtcode = FWRCODE_COMPLETE; 909130407Sdfr } 910130407Sdfr 911130407Sdfr /* 912130407Sdfr * Pick up a new mbuf and stick it on the back of the receive 913130407Sdfr * queue. 914130407Sdfr */ 915130407Sdfr fwip_unicast_input_recycle(fwip, xfer); 916130407Sdfr 917130407Sdfr /* 918130407Sdfr * If we've already rejected the packet, give up now. 919130407Sdfr */ 920130407Sdfr if (rtcode != FWRCODE_COMPLETE) { 921130407Sdfr m_freem(m); 922130407Sdfr ifp->if_ierrors ++; 923130407Sdfr return; 924130407Sdfr } 925130407Sdfr 926165632Sjhb if (bpf_peers_present(ifp->if_bpf)) { 927130407Sdfr /* 928130407Sdfr * Record the sender ID for possible BPF usage. 929130407Sdfr */ 930130407Sdfr mtag = m_tag_alloc(MTAG_FIREWIRE, MTAG_FIREWIRE_SENDER_EUID, 931130407Sdfr 2*sizeof(uint32_t), M_NOWAIT); 932130407Sdfr if (mtag) { 933130407Sdfr /* bpf wants it in network byte order */ 934130407Sdfr struct fw_device *fd; 935130407Sdfr uint32_t *p = (uint32_t *) (mtag + 1); 936130407Sdfr fd = fw_noderesolve_nodeid(fwip->fd.fc, 937130407Sdfr fp->mode.wreqb.src & 0x3f); 938130407Sdfr if (fd) { 939130407Sdfr p[0] = htonl(fd->eui.hi); 940130407Sdfr p[1] = htonl(fd->eui.lo); 941130407Sdfr } else { 942130407Sdfr p[0] = 0; 943130407Sdfr p[1] = 0; 944130407Sdfr } 945130407Sdfr m_tag_prepend(m, mtag); 946130407Sdfr } 947130407Sdfr } 948130407Sdfr 949130407Sdfr /* 950130407Sdfr * Hand off to the generic encapsulation code. We don't use 951130407Sdfr * ifp->if_input so that we can pass the source nodeid as an 952130407Sdfr * argument to facilitate link-level fragment reassembly. 953130407Sdfr */ 954130407Sdfr m->m_len = m->m_pkthdr.len = fp->mode.wreqb.len; 955130407Sdfr m->m_pkthdr.rcvif = ifp; 956130407Sdfr firewire_input(ifp, m, fp->mode.wreqb.src); 957130407Sdfr ifp->if_ipackets ++; 958130407Sdfr} 959130407Sdfr 960130407Sdfrstatic devclass_t fwip_devclass; 961130407Sdfr 962130407Sdfrstatic device_method_t fwip_methods[] = { 963130407Sdfr /* device interface */ 964130407Sdfr DEVMETHOD(device_identify, fwip_identify), 965130407Sdfr DEVMETHOD(device_probe, fwip_probe), 966130407Sdfr DEVMETHOD(device_attach, fwip_attach), 967130407Sdfr DEVMETHOD(device_detach, fwip_detach), 968130407Sdfr { 0, 0 } 969130407Sdfr}; 970130407Sdfr 971130407Sdfrstatic driver_t fwip_driver = { 972130407Sdfr "fwip", 973130407Sdfr fwip_methods, 974130407Sdfr sizeof(struct fwip_softc), 975130407Sdfr}; 976130407Sdfr 977130407Sdfr 978130407Sdfr#ifdef __DragonFly__ 979130407SdfrDECLARE_DUMMY_MODULE(fwip); 980130407Sdfr#endif 981130407SdfrDRIVER_MODULE(fwip, firewire, fwip_driver, fwip_devclass, 0, 0); 982130407SdfrMODULE_VERSION(fwip, 1); 983130407SdfrMODULE_DEPEND(fwip, firewire, 1, 1, 1); 984