if_fwe.c revision 129552
1103285Sikob/* 2113584Ssimokawa * Copyright (c) 2002-2003 3103285Sikob * Hidetoshi Shimokawa. All rights reserved. 4103285Sikob * 5103285Sikob * Redistribution and use in source and binary forms, with or without 6103285Sikob * modification, are permitted provided that the following conditions 7103285Sikob * are met: 8103285Sikob * 1. Redistributions of source code must retain the above copyright 9103285Sikob * notice, this list of conditions and the following disclaimer. 10103285Sikob * 2. Redistributions in binary form must reproduce the above copyright 11103285Sikob * notice, this list of conditions and the following disclaimer in the 12103285Sikob * documentation and/or other materials provided with the distribution. 13103285Sikob * 3. All advertising materials mentioning features or use of this software 14103285Sikob * must display the following acknowledgement: 15103285Sikob * 16103285Sikob * This product includes software developed by Hidetoshi Shimokawa. 17103285Sikob * 18103285Sikob * 4. Neither the name of the author nor the names of its contributors 19103285Sikob * may be used to endorse or promote products derived from this software 20103285Sikob * without specific prior written permission. 21103285Sikob * 22103285Sikob * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23103285Sikob * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24103285Sikob * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25103285Sikob * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26103285Sikob * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27103285Sikob * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28103285Sikob * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29103285Sikob * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30103285Sikob * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31103285Sikob * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32103285Sikob * SUCH DAMAGE. 33103285Sikob * 34103285Sikob * $FreeBSD: head/sys/dev/firewire/if_fwe.c 129552 2004-05-21 17:11:34Z yar $ 35103285Sikob */ 36103285Sikob 37103285Sikob#include "opt_inet.h" 38103285Sikob 39103285Sikob#include <sys/param.h> 40103285Sikob#include <sys/kernel.h> 41103285Sikob#include <sys/malloc.h> 42103285Sikob#include <sys/mbuf.h> 43103285Sikob#include <sys/socket.h> 44103285Sikob#include <sys/sockio.h> 45103285Sikob#include <sys/sysctl.h> 46103285Sikob#include <sys/systm.h> 47103285Sikob#include <sys/module.h> 48103285Sikob#include <sys/bus.h> 49113584Ssimokawa#include <machine/bus.h> 50103285Sikob 51103285Sikob#include <net/bpf.h> 52103285Sikob#include <net/ethernet.h> 53103285Sikob#include <net/if.h> 54103285Sikob#include <net/if_arp.h> 55127468Ssimokawa#ifdef __DragonFly__ 56127468Ssimokawa#include <net/vlan/if_vlan_var.h> 57127468Ssimokawa#include <bus/firewire/firewire.h> 58127468Ssimokawa#include <bus/firewire/firewirereg.h> 59127468Ssimokawa#include "if_fwevar.h" 60127468Ssimokawa#else 61103285Sikob#include <net/if_vlan_var.h> 62103285Sikob 63103285Sikob#include <dev/firewire/firewire.h> 64103285Sikob#include <dev/firewire/firewirereg.h> 65103285Sikob#include <dev/firewire/if_fwevar.h> 66127468Ssimokawa#endif 67103285Sikob 68122161Ssimokawa#define FWEDEBUG if (fwedebug) if_printf 69111942Ssimokawa#define TX_MAX_QUEUE (FWMAXQUEUE - 1) 70103285Sikob 71103285Sikob/* network interface */ 72124169Ssimokawastatic void fwe_start (struct ifnet *); 73124169Ssimokawastatic int fwe_ioctl (struct ifnet *, u_long, caddr_t); 74124169Ssimokawastatic void fwe_init (void *); 75103285Sikob 76124169Ssimokawastatic void fwe_output_callback (struct fw_xfer *); 77124169Ssimokawastatic void fwe_as_output (struct fwe_softc *, struct ifnet *); 78124169Ssimokawastatic void fwe_as_input (struct fw_xferq *); 79103285Sikob 80103285Sikobstatic int fwedebug = 0; 81103285Sikobstatic int stream_ch = 1; 82116139Ssimokawastatic int tx_speed = 2; 83122603Ssimokawastatic int rx_queue_len = FWMAXQUEUE; 84103285Sikob 85108281SsimokawaMALLOC_DEFINE(M_FWE, "if_fwe", "Ethernet over FireWire interface"); 86103285SikobSYSCTL_INT(_debug, OID_AUTO, if_fwe_debug, CTLFLAG_RW, &fwedebug, 0, ""); 87103285SikobSYSCTL_DECL(_hw_firewire); 88103285SikobSYSCTL_NODE(_hw_firewire, OID_AUTO, fwe, CTLFLAG_RD, 0, 89122603Ssimokawa "Ethernet emulation subsystem"); 90103285SikobSYSCTL_INT(_hw_firewire_fwe, OID_AUTO, stream_ch, CTLFLAG_RW, &stream_ch, 0, 91103285Sikob "Stream channel to use"); 92116139SsimokawaSYSCTL_INT(_hw_firewire_fwe, OID_AUTO, tx_speed, CTLFLAG_RW, &tx_speed, 0, 93122603Ssimokawa "Transmission speed"); 94122603SsimokawaSYSCTL_INT(_hw_firewire_fwe, OID_AUTO, rx_queue_len, CTLFLAG_RW, &rx_queue_len, 95122603Ssimokawa 0, "Length of the receive queue"); 96103285Sikob 97122603SsimokawaTUNABLE_INT("hw.firewire.fwe.stream_ch", &stream_ch); 98122603SsimokawaTUNABLE_INT("hw.firewire.fwe.tx_speed", &tx_speed); 99122603SsimokawaTUNABLE_INT("hw.firewire.fwe.rx_queue_len", &rx_queue_len); 100122603Ssimokawa 101103285Sikob#ifdef DEVICE_POLLING 102103285Sikob#define FWE_POLL_REGISTER(func, fwe, ifp) \ 103103285Sikob if (ether_poll_register(func, ifp)) { \ 104103285Sikob struct firewire_comm *fc = (fwe)->fd.fc; \ 105103285Sikob fc->set_intr(fc, 0); \ 106103285Sikob } 107103285Sikob 108103285Sikob#define FWE_POLL_DEREGISTER(fwe, ifp) \ 109103285Sikob do { \ 110103285Sikob struct firewire_comm *fc = (fwe)->fd.fc; \ 111103285Sikob ether_poll_deregister(ifp); \ 112103285Sikob fc->set_intr(fc, 1); \ 113103285Sikob } while(0) \ 114103285Sikob 115103285Sikobstatic poll_handler_t fwe_poll; 116103285Sikob 117103285Sikobstatic void 118103285Sikobfwe_poll(struct ifnet *ifp, enum poll_cmd cmd, int count) 119103285Sikob{ 120103285Sikob struct fwe_softc *fwe; 121103285Sikob struct firewire_comm *fc; 122103285Sikob 123103285Sikob fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 124103285Sikob fc = fwe->fd.fc; 125103285Sikob if (cmd == POLL_DEREGISTER) { 126103285Sikob /* enable interrupts */ 127103285Sikob fc->set_intr(fc, 1); 128103285Sikob return; 129103285Sikob } 130103285Sikob fc->poll(fc, (cmd == POLL_AND_CHECK_STATUS)?0:1, count); 131103285Sikob} 132103285Sikob#else 133103285Sikob#define FWE_POLL_REGISTER(func, fwe, ifp) 134103285Sikob#define FWE_POLL_DEREGISTER(fwe, ifp) 135103285Sikob#endif 136103285Sikobstatic void 137103285Sikobfwe_identify(driver_t *driver, device_t parent) 138103285Sikob{ 139121953Ssimokawa BUS_ADD_CHILD(parent, 0, "fwe", device_get_unit(parent)); 140103285Sikob} 141103285Sikob 142103285Sikobstatic int 143103285Sikobfwe_probe(device_t dev) 144103285Sikob{ 145103285Sikob device_t pa; 146103285Sikob 147103285Sikob pa = device_get_parent(dev); 148103285Sikob if(device_get_unit(dev) != device_get_unit(pa)){ 149103285Sikob return(ENXIO); 150103285Sikob } 151103285Sikob 152108281Ssimokawa device_set_desc(dev, "Ethernet over FireWire"); 153103285Sikob return (0); 154103285Sikob} 155103285Sikob 156103285Sikobstatic int 157103285Sikobfwe_attach(device_t dev) 158103285Sikob{ 159103285Sikob struct fwe_softc *fwe; 160103285Sikob struct ifnet *ifp; 161103285Sikob int unit, s; 162103285Sikob u_char *eaddr; 163109814Ssimokawa struct fw_eui64 *eui; 164103285Sikob 165103285Sikob fwe = ((struct fwe_softc *)device_get_softc(dev)); 166103285Sikob unit = device_get_unit(dev); 167103285Sikob 168103285Sikob bzero(fwe, sizeof(struct fwe_softc)); 169103285Sikob /* XXX */ 170103285Sikob fwe->stream_ch = stream_ch; 171103285Sikob fwe->dma_ch = -1; 172103285Sikob 173103285Sikob fwe->fd.fc = device_get_ivars(dev); 174124251Ssimokawa if (tx_speed < 0) 175124251Ssimokawa tx_speed = fwe->fd.fc->speed; 176124251Ssimokawa 177103285Sikob fwe->fd.dev = dev; 178103285Sikob fwe->fd.post_explore = NULL; 179103285Sikob fwe->eth_softc.fwe = fwe; 180103285Sikob 181103285Sikob fwe->pkt_hdr.mode.stream.tcode = FWTCODE_STREAM; 182103285Sikob fwe->pkt_hdr.mode.stream.sy = 0; 183103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 184103285Sikob 185103285Sikob /* generate fake MAC address: first and last 3bytes from eui64 */ 186103285Sikob#define LOCAL (0x02) 187103285Sikob#define GROUP (0x01) 188103285Sikob eaddr = &fwe->eth_softc.arpcom.ac_enaddr[0]; 189109814Ssimokawa 190109814Ssimokawa eui = &fwe->fd.fc->eui; 191109814Ssimokawa eaddr[0] = (FW_EUI64_BYTE(eui, 0) | LOCAL) & ~GROUP; 192109814Ssimokawa eaddr[1] = FW_EUI64_BYTE(eui, 1); 193109814Ssimokawa eaddr[2] = FW_EUI64_BYTE(eui, 2); 194109814Ssimokawa eaddr[3] = FW_EUI64_BYTE(eui, 5); 195109814Ssimokawa eaddr[4] = FW_EUI64_BYTE(eui, 6); 196109814Ssimokawa eaddr[5] = FW_EUI64_BYTE(eui, 7); 197107653Ssimokawa printf("if_fwe%d: Fake Ethernet address: " 198107653Ssimokawa "%02x:%02x:%02x:%02x:%02x:%02x\n", unit, 199103285Sikob eaddr[0], eaddr[1], eaddr[2], eaddr[3], eaddr[4], eaddr[5]); 200103285Sikob 201103285Sikob /* fill the rest and attach interface */ 202103285Sikob ifp = &fwe->fwe_if; 203103285Sikob ifp->if_softc = &fwe->eth_softc; 204103285Sikob 205127468Ssimokawa#if __FreeBSD_version >= 501113 || defined(__DragonFly__) 206121953Ssimokawa if_initname(ifp, device_get_name(dev), unit); 207122212Ssimokawa#else 208122212Ssimokawa ifp->if_unit = unit; 209122212Ssimokawa ifp->if_name = "fwe"; 210122212Ssimokawa#endif 211103285Sikob ifp->if_init = fwe_init; 212103285Sikob ifp->if_output = ether_output; 213103285Sikob ifp->if_start = fwe_start; 214103285Sikob ifp->if_ioctl = fwe_ioctl; 215103285Sikob ifp->if_mtu = ETHERMTU; 216103285Sikob ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST); 217111942Ssimokawa ifp->if_snd.ifq_maxlen = TX_MAX_QUEUE; 218103285Sikob 219103285Sikob s = splimp(); 220127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 221127468Ssimokawa ether_ifattach(ifp, 1); 222127468Ssimokawa#else 223106937Ssam ether_ifattach(ifp, eaddr); 224108712Ssimokawa#endif 225103285Sikob splx(s); 226103285Sikob 227103285Sikob /* Tell the upper layer(s) we support long frames. */ 228103285Sikob ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); 229127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 230106937Ssam ifp->if_capabilities |= IFCAP_VLAN_MTU; 231129552Syar ifp->if_capenable |= IFCAP_VLAN_MTU; 232108712Ssimokawa#endif 233103285Sikob 234103285Sikob 235122161Ssimokawa FWEDEBUG(ifp, "interface created\n"); 236103285Sikob return 0; 237103285Sikob} 238103285Sikob 239103285Sikobstatic void 240103285Sikobfwe_stop(struct fwe_softc *fwe) 241103285Sikob{ 242103285Sikob struct firewire_comm *fc; 243103285Sikob struct fw_xferq *xferq; 244103285Sikob struct ifnet *ifp = &fwe->fwe_if; 245111942Ssimokawa struct fw_xfer *xfer, *next; 246111942Ssimokawa int i; 247103285Sikob 248103285Sikob fc = fwe->fd.fc; 249103285Sikob 250103285Sikob FWE_POLL_DEREGISTER(fwe, ifp); 251103285Sikob 252103285Sikob if (fwe->dma_ch >= 0) { 253103285Sikob xferq = fc->ir[fwe->dma_ch]; 254103285Sikob 255103285Sikob if (xferq->flag & FWXFERQ_RUNNING) 256103285Sikob fc->irx_disable(fc, fwe->dma_ch); 257103285Sikob xferq->flag &= 258113584Ssimokawa ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | FWXFERQ_STREAM | 259113584Ssimokawa FWXFERQ_EXTBUF | FWXFERQ_HANDLER | FWXFERQ_CHTAGMASK); 260111942Ssimokawa xferq->hand = NULL; 261111942Ssimokawa 262111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) 263111942Ssimokawa m_freem(xferq->bulkxfer[i].mbuf); 264111942Ssimokawa free(xferq->bulkxfer, M_FWE); 265111942Ssimokawa 266111942Ssimokawa for (xfer = STAILQ_FIRST(&fwe->xferlist); xfer != NULL; 267111942Ssimokawa xfer = next) { 268111942Ssimokawa next = STAILQ_NEXT(xfer, link); 269111942Ssimokawa fw_xfer_free(xfer); 270111942Ssimokawa } 271111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 272111942Ssimokawa 273111942Ssimokawa xferq->bulkxfer = NULL; 274103285Sikob fwe->dma_ch = -1; 275103285Sikob } 276103285Sikob 277103285Sikob ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 278103285Sikob} 279103285Sikob 280103285Sikobstatic int 281103285Sikobfwe_detach(device_t dev) 282103285Sikob{ 283103285Sikob struct fwe_softc *fwe; 284103285Sikob int s; 285103285Sikob 286103285Sikob fwe = (struct fwe_softc *)device_get_softc(dev); 287103285Sikob s = splimp(); 288103285Sikob 289103285Sikob fwe_stop(fwe); 290127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 291127468Ssimokawa ether_ifdetach(&fwe->fwe_if, 1); 292127468Ssimokawa#else 293106937Ssam ether_ifdetach(&fwe->fwe_if); 294108712Ssimokawa#endif 295103285Sikob 296103285Sikob splx(s); 297103285Sikob return 0; 298103285Sikob} 299103285Sikob 300103285Sikobstatic void 301103285Sikobfwe_init(void *arg) 302103285Sikob{ 303103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 304103285Sikob struct firewire_comm *fc; 305103285Sikob struct ifnet *ifp = &fwe->fwe_if; 306103285Sikob struct fw_xferq *xferq; 307111942Ssimokawa struct fw_xfer *xfer; 308113584Ssimokawa struct mbuf *m; 309103285Sikob int i; 310103285Sikob 311122161Ssimokawa FWEDEBUG(ifp, "initializing\n"); 312103285Sikob 313103285Sikob /* XXX keep promiscoud mode */ 314103285Sikob ifp->if_flags |= IFF_PROMISC; 315103285Sikob 316103285Sikob fc = fwe->fd.fc; 317103285Sikob#define START 0 318103285Sikob if (fwe->dma_ch < 0) { 319103285Sikob for (i = START; i < fc->nisodma; i ++) { 320103285Sikob xferq = fc->ir[i]; 321103285Sikob if ((xferq->flag & FWXFERQ_OPEN) == 0) 322118312Ssimokawa goto found; 323103285Sikob } 324118312Ssimokawa printf("no free dma channel\n"); 325118312Ssimokawa return; 326118312Ssimokawafound: 327103285Sikob fwe->dma_ch = i; 328103285Sikob fwe->stream_ch = stream_ch; 329103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 330103285Sikob /* allocate DMA channel and init packet mode */ 331113584Ssimokawa xferq->flag |= FWXFERQ_OPEN | FWXFERQ_EXTBUF | 332113584Ssimokawa FWXFERQ_HANDLER | FWXFERQ_STREAM; 333112400Ssimokawa xferq->flag &= ~0xff; 334103285Sikob xferq->flag |= fwe->stream_ch & 0xff; 335103285Sikob /* register fwe_input handler */ 336103285Sikob xferq->sc = (caddr_t) fwe; 337103285Sikob xferq->hand = fwe_as_input; 338122603Ssimokawa xferq->bnchunk = rx_queue_len; 339111942Ssimokawa xferq->bnpacket = 1; 340111942Ssimokawa xferq->psize = MCLBYTES; 341111942Ssimokawa xferq->queued = 0; 342113584Ssimokawa xferq->buf = NULL; 343111942Ssimokawa xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 344113584Ssimokawa sizeof(struct fw_bulkxfer) * xferq->bnchunk, 345113584Ssimokawa M_FWE, M_WAITOK); 346111942Ssimokawa if (xferq->bulkxfer == NULL) { 347111942Ssimokawa printf("if_fwe: malloc failed\n"); 348111942Ssimokawa return; 349111942Ssimokawa } 350111942Ssimokawa STAILQ_INIT(&xferq->stvalid); 351111942Ssimokawa STAILQ_INIT(&xferq->stfree); 352111942Ssimokawa STAILQ_INIT(&xferq->stdma); 353111942Ssimokawa xferq->stproc = NULL; 354111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) { 355113584Ssimokawa m = 356127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 357127468Ssimokawa m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 358127468Ssimokawa#else 359111942Ssimokawa m_getcl(M_TRYWAIT, MT_DATA, M_PKTHDR); 360111942Ssimokawa#endif 361113584Ssimokawa xferq->bulkxfer[i].mbuf = m; 362113584Ssimokawa if (m != NULL) { 363113584Ssimokawa m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 364113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, 365113584Ssimokawa &xferq->bulkxfer[i], link); 366113584Ssimokawa } else 367113584Ssimokawa printf("fwe_as_input: m_getcl failed\n"); 368111942Ssimokawa } 369111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 370111942Ssimokawa for (i = 0; i < TX_MAX_QUEUE; i++) { 371111942Ssimokawa xfer = fw_xfer_alloc(M_FWE); 372111942Ssimokawa if (xfer == NULL) 373111942Ssimokawa break; 374120660Ssimokawa xfer->send.spd = tx_speed; 375111942Ssimokawa xfer->fc = fwe->fd.fc; 376111942Ssimokawa xfer->retry_req = fw_asybusy; 377111942Ssimokawa xfer->sc = (caddr_t)fwe; 378111942Ssimokawa xfer->act.hand = fwe_output_callback; 379111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 380111942Ssimokawa } 381103285Sikob } else 382103285Sikob xferq = fc->ir[fwe->dma_ch]; 383103285Sikob 384103285Sikob 385103285Sikob /* start dma */ 386103285Sikob if ((xferq->flag & FWXFERQ_RUNNING) == 0) 387103285Sikob fc->irx_enable(fc, fwe->dma_ch); 388103285Sikob 389103285Sikob ifp->if_flags |= IFF_RUNNING; 390103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 391103285Sikob 392103285Sikob FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 393103285Sikob#if 0 394103285Sikob /* attempt to start output */ 395103285Sikob fwe_start(ifp); 396103285Sikob#endif 397103285Sikob} 398103285Sikob 399103285Sikob 400103285Sikobstatic int 401103285Sikobfwe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 402103285Sikob{ 403103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 404103285Sikob struct ifstat *ifs = NULL; 405103285Sikob int s, error, len; 406103285Sikob 407103285Sikob switch (cmd) { 408103285Sikob case SIOCSIFFLAGS: 409103285Sikob s = splimp(); 410103285Sikob if (ifp->if_flags & IFF_UP) { 411103285Sikob if (!(ifp->if_flags & IFF_RUNNING)) 412103285Sikob fwe_init(&fwe->eth_softc); 413103285Sikob } else { 414103285Sikob if (ifp->if_flags & IFF_RUNNING) 415103285Sikob fwe_stop(fwe); 416103285Sikob } 417103285Sikob /* XXX keep promiscoud mode */ 418103285Sikob ifp->if_flags |= IFF_PROMISC; 419103285Sikob splx(s); 420103285Sikob break; 421103285Sikob case SIOCADDMULTI: 422103285Sikob case SIOCDELMULTI: 423108712Ssimokawa break; 424103285Sikob 425103285Sikob case SIOCGIFSTATUS: 426103285Sikob s = splimp(); 427103285Sikob ifs = (struct ifstat *)data; 428103285Sikob len = strlen(ifs->ascii); 429103285Sikob if (len < sizeof(ifs->ascii)) 430103285Sikob snprintf(ifs->ascii + len, 431103285Sikob sizeof(ifs->ascii) - len, 432103285Sikob "\tch %d dma %d\n", 433103285Sikob fwe->stream_ch, fwe->dma_ch); 434103285Sikob splx(s); 435108712Ssimokawa break; 436127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 437103285Sikob default: 438108712Ssimokawa#else 439108712Ssimokawa case SIOCSIFADDR: 440108712Ssimokawa case SIOCGIFADDR: 441108712Ssimokawa case SIOCSIFMTU: 442108712Ssimokawa#endif 443106937Ssam s = splimp(); 444106937Ssam error = ether_ioctl(ifp, cmd, data); 445106937Ssam splx(s); 446106937Ssam return (error); 447127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 448108712Ssimokawa default: 449108712Ssimokawa return (EINVAL); 450108712Ssimokawa#endif 451103285Sikob } 452103285Sikob 453103285Sikob return (0); 454103285Sikob} 455103285Sikob 456103285Sikobstatic void 457111942Ssimokawafwe_output_callback(struct fw_xfer *xfer) 458111942Ssimokawa{ 459111942Ssimokawa struct fwe_softc *fwe; 460111942Ssimokawa struct ifnet *ifp; 461111942Ssimokawa int s; 462111942Ssimokawa 463111942Ssimokawa fwe = (struct fwe_softc *)xfer->sc; 464111942Ssimokawa ifp = &fwe->fwe_if; 465111942Ssimokawa /* XXX error check */ 466122161Ssimokawa FWEDEBUG(ifp, "resp = %d\n", xfer->resp); 467111942Ssimokawa if (xfer->resp != 0) 468111942Ssimokawa ifp->if_oerrors ++; 469111942Ssimokawa 470111942Ssimokawa m_freem(xfer->mbuf); 471111942Ssimokawa fw_xfer_unload(xfer); 472113584Ssimokawa 473111942Ssimokawa s = splimp(); 474111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 475111942Ssimokawa splx(s); 476113584Ssimokawa 477113584Ssimokawa /* for queue full */ 478111942Ssimokawa if (ifp->if_snd.ifq_head != NULL) 479111942Ssimokawa fwe_start(ifp); 480111942Ssimokawa} 481111942Ssimokawa 482111942Ssimokawastatic void 483103285Sikobfwe_start(struct ifnet *ifp) 484103285Sikob{ 485103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 486103285Sikob int s; 487103285Sikob 488122161Ssimokawa FWEDEBUG(ifp, "starting\n"); 489103285Sikob 490103285Sikob if (fwe->dma_ch < 0) { 491103285Sikob struct mbuf *m = NULL; 492103285Sikob 493122161Ssimokawa FWEDEBUG(ifp, "not ready\n"); 494103285Sikob 495103285Sikob s = splimp(); 496103285Sikob do { 497103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 498103285Sikob if (m != NULL) 499103285Sikob m_freem(m); 500103285Sikob ifp->if_oerrors ++; 501103285Sikob } while (m != NULL); 502103285Sikob splx(s); 503103285Sikob 504103285Sikob return; 505103285Sikob } 506103285Sikob 507103285Sikob s = splimp(); 508103285Sikob ifp->if_flags |= IFF_OACTIVE; 509103285Sikob 510103285Sikob if (ifp->if_snd.ifq_len != 0) 511103285Sikob fwe_as_output(fwe, ifp); 512103285Sikob 513103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 514103285Sikob splx(s); 515103285Sikob} 516103285Sikob 517111942Ssimokawa#define HDR_LEN 4 518111942Ssimokawa#ifndef ETHER_ALIGN 519111942Ssimokawa#define ETHER_ALIGN 2 520103285Sikob#endif 521103285Sikob/* Async. stream output */ 522103285Sikobstatic void 523103285Sikobfwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) 524103285Sikob{ 525103285Sikob struct mbuf *m; 526103285Sikob struct fw_xfer *xfer; 527103285Sikob struct fw_xferq *xferq; 528103285Sikob struct fw_pkt *fp; 529103285Sikob int i = 0; 530103285Sikob 531103285Sikob xfer = NULL; 532103285Sikob xferq = fwe->fd.fc->atq; 533111942Ssimokawa while (xferq->queued < xferq->maxq - 1) { 534111942Ssimokawa xfer = STAILQ_FIRST(&fwe->xferlist); 535111942Ssimokawa if (xfer == NULL) { 536111942Ssimokawa printf("if_fwe: lack of xfer\n"); 537111942Ssimokawa return; 538111942Ssimokawa } 539103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 540103285Sikob if (m == NULL) 541103285Sikob break; 542111942Ssimokawa STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 543127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 544108712Ssimokawa if (ifp->if_bpf != NULL) 545108712Ssimokawa bpf_mtap(ifp, m); 546127468Ssimokawa#else 547127468Ssimokawa BPF_MTAP(ifp, m); 548108712Ssimokawa#endif 549103285Sikob 550103285Sikob /* keep ip packet alignment for alpha */ 551111942Ssimokawa M_PREPEND(m, ETHER_ALIGN, M_DONTWAIT); 552120660Ssimokawa fp = &xfer->send.hdr; 553120660Ssimokawa *(u_int32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 554113584Ssimokawa fp->mode.stream.len = m->m_pkthdr.len; 555103285Sikob xfer->mbuf = m; 556120660Ssimokawa xfer->send.pay_len = m->m_pkthdr.len; 557103285Sikob 558111942Ssimokawa if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 559103285Sikob /* error */ 560103285Sikob ifp->if_oerrors ++; 561103285Sikob /* XXX set error code */ 562103285Sikob fwe_output_callback(xfer); 563103285Sikob } else { 564103285Sikob ifp->if_opackets ++; 565111942Ssimokawa i++; 566103285Sikob } 567103285Sikob } 568103285Sikob#if 0 569103285Sikob if (i > 1) 570103285Sikob printf("%d queued\n", i); 571103285Sikob#endif 572111942Ssimokawa if (i > 0) 573111942Ssimokawa xferq->start(fwe->fd.fc); 574103285Sikob} 575103285Sikob 576103285Sikob/* Async. stream output */ 577103285Sikobstatic void 578103285Sikobfwe_as_input(struct fw_xferq *xferq) 579103285Sikob{ 580113584Ssimokawa struct mbuf *m, *m0; 581103285Sikob struct ifnet *ifp; 582103285Sikob struct fwe_softc *fwe; 583111942Ssimokawa struct fw_bulkxfer *sxfer; 584111942Ssimokawa struct fw_pkt *fp; 585103285Sikob u_char *c; 586127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 587111942Ssimokawa struct ether_header *eh; 588111942Ssimokawa#endif 589103285Sikob 590103285Sikob fwe = (struct fwe_softc *)xferq->sc; 591103285Sikob ifp = &fwe->fwe_if; 592103285Sikob#if 0 593103285Sikob FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 594103285Sikob#endif 595111942Ssimokawa while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 596111942Ssimokawa STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 597113584Ssimokawa fp = mtod(sxfer->mbuf, struct fw_pkt *); 598111942Ssimokawa if (fwe->fd.fc->irx_post != NULL) 599111942Ssimokawa fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 600111942Ssimokawa m = sxfer->mbuf; 601111942Ssimokawa 602119119Ssimokawa /* insert new rbuf */ 603113584Ssimokawa sxfer->mbuf = m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 604113584Ssimokawa if (m0 != NULL) { 605113584Ssimokawa m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 606113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 607113584Ssimokawa } else 608113584Ssimokawa printf("fwe_as_input: m_getcl failed\n"); 609111942Ssimokawa 610119119Ssimokawa if (sxfer->resp != 0 || fp->mode.stream.len < 611119119Ssimokawa ETHER_ALIGN + sizeof(struct ether_header)) { 612119119Ssimokawa m_freem(m); 613119119Ssimokawa ifp->if_ierrors ++; 614119119Ssimokawa continue; 615119119Ssimokawa } 616119119Ssimokawa 617111942Ssimokawa m->m_data += HDR_LEN + ETHER_ALIGN; 618111942Ssimokawa c = mtod(m, char *); 619127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 620111942Ssimokawa eh = (struct ether_header *)c; 621111942Ssimokawa m->m_data += sizeof(struct ether_header); 622108712Ssimokawa#endif 623111942Ssimokawa m->m_len = m->m_pkthdr.len = 624113584Ssimokawa fp->mode.stream.len - ETHER_ALIGN; 625103285Sikob m->m_pkthdr.rcvif = ifp; 626103285Sikob#if 0 627122161Ssimokawa FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n" 628103285Sikob "%02x %02x %02x %02x %02x %02x\n" 629103285Sikob "%02x %02x %02x %02x\n" 630103285Sikob "%02x %02x %02x %02x\n" 631103285Sikob "%02x %02x %02x %02x\n" 632103285Sikob "%02x %02x %02x %02x\n", 633103285Sikob c[0], c[1], c[2], c[3], c[4], c[5], 634103285Sikob c[6], c[7], c[8], c[9], c[10], c[11], 635103285Sikob c[12], c[13], c[14], c[15], 636103285Sikob c[16], c[17], c[18], c[19], 637103285Sikob c[20], c[21], c[22], c[23], 638103285Sikob c[20], c[21], c[22], c[23] 639103285Sikob ); 640103285Sikob#endif 641127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 642127468Ssimokawa ether_input(ifp, eh, m); 643127468Ssimokawa#else 644106937Ssam (*ifp->if_input)(ifp, m); 645108712Ssimokawa#endif 646103285Sikob ifp->if_ipackets ++; 647103285Sikob } 648111942Ssimokawa if (STAILQ_FIRST(&xferq->stfree) != NULL) 649111942Ssimokawa fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 650103285Sikob} 651103285Sikob 652103285Sikob 653103285Sikobstatic devclass_t fwe_devclass; 654103285Sikob 655103285Sikobstatic device_method_t fwe_methods[] = { 656103285Sikob /* device interface */ 657103285Sikob DEVMETHOD(device_identify, fwe_identify), 658103285Sikob DEVMETHOD(device_probe, fwe_probe), 659103285Sikob DEVMETHOD(device_attach, fwe_attach), 660103285Sikob DEVMETHOD(device_detach, fwe_detach), 661103285Sikob { 0, 0 } 662103285Sikob}; 663103285Sikob 664103285Sikobstatic driver_t fwe_driver = { 665121953Ssimokawa "fwe", 666103285Sikob fwe_methods, 667103285Sikob sizeof(struct fwe_softc), 668103285Sikob}; 669103285Sikob 670103285Sikob 671127468Ssimokawa#ifdef __DragonFly__ 672127468SsimokawaDECLARE_DUMMY_MODULE(fwe); 673127468Ssimokawa#endif 674113506SmdoddDRIVER_MODULE(fwe, firewire, fwe_driver, fwe_devclass, 0, 0); 675113506SmdoddMODULE_VERSION(fwe, 1); 676113506SmdoddMODULE_DEPEND(fwe, firewire, 1, 1, 1); 677