if_fwe.c revision 139749
1139749Simp/*- 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 139749 2005-01-06 01:43:34Z imp $ 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; 212132430Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 213132430Ssimokawa ifp->if_output = ether_output; 214132430Ssimokawa#endif 215103285Sikob ifp->if_start = fwe_start; 216103285Sikob ifp->if_ioctl = fwe_ioctl; 217103285Sikob ifp->if_mtu = ETHERMTU; 218133538Srwatson ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST| 219133538Srwatson IFF_NEEDSGIANT); 220111942Ssimokawa ifp->if_snd.ifq_maxlen = TX_MAX_QUEUE; 221103285Sikob 222103285Sikob s = splimp(); 223127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 224127468Ssimokawa ether_ifattach(ifp, 1); 225127468Ssimokawa#else 226106937Ssam ether_ifattach(ifp, eaddr); 227108712Ssimokawa#endif 228103285Sikob splx(s); 229103285Sikob 230103285Sikob /* Tell the upper layer(s) we support long frames. */ 231103285Sikob ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); 232127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 233106937Ssam ifp->if_capabilities |= IFCAP_VLAN_MTU; 234129552Syar ifp->if_capenable |= IFCAP_VLAN_MTU; 235108712Ssimokawa#endif 236103285Sikob 237103285Sikob 238122161Ssimokawa FWEDEBUG(ifp, "interface created\n"); 239103285Sikob return 0; 240103285Sikob} 241103285Sikob 242103285Sikobstatic void 243103285Sikobfwe_stop(struct fwe_softc *fwe) 244103285Sikob{ 245103285Sikob struct firewire_comm *fc; 246103285Sikob struct fw_xferq *xferq; 247103285Sikob struct ifnet *ifp = &fwe->fwe_if; 248111942Ssimokawa struct fw_xfer *xfer, *next; 249111942Ssimokawa int i; 250103285Sikob 251103285Sikob fc = fwe->fd.fc; 252103285Sikob 253103285Sikob FWE_POLL_DEREGISTER(fwe, ifp); 254103285Sikob 255103285Sikob if (fwe->dma_ch >= 0) { 256103285Sikob xferq = fc->ir[fwe->dma_ch]; 257103285Sikob 258103285Sikob if (xferq->flag & FWXFERQ_RUNNING) 259103285Sikob fc->irx_disable(fc, fwe->dma_ch); 260103285Sikob xferq->flag &= 261113584Ssimokawa ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | FWXFERQ_STREAM | 262113584Ssimokawa FWXFERQ_EXTBUF | FWXFERQ_HANDLER | FWXFERQ_CHTAGMASK); 263111942Ssimokawa xferq->hand = NULL; 264111942Ssimokawa 265111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) 266111942Ssimokawa m_freem(xferq->bulkxfer[i].mbuf); 267111942Ssimokawa free(xferq->bulkxfer, M_FWE); 268111942Ssimokawa 269111942Ssimokawa for (xfer = STAILQ_FIRST(&fwe->xferlist); xfer != NULL; 270111942Ssimokawa xfer = next) { 271111942Ssimokawa next = STAILQ_NEXT(xfer, link); 272111942Ssimokawa fw_xfer_free(xfer); 273111942Ssimokawa } 274111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 275111942Ssimokawa 276111942Ssimokawa xferq->bulkxfer = NULL; 277103285Sikob fwe->dma_ch = -1; 278103285Sikob } 279103285Sikob 280103285Sikob ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 281103285Sikob} 282103285Sikob 283103285Sikobstatic int 284103285Sikobfwe_detach(device_t dev) 285103285Sikob{ 286103285Sikob struct fwe_softc *fwe; 287103285Sikob int s; 288103285Sikob 289103285Sikob fwe = (struct fwe_softc *)device_get_softc(dev); 290103285Sikob s = splimp(); 291103285Sikob 292103285Sikob fwe_stop(fwe); 293127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 294127468Ssimokawa ether_ifdetach(&fwe->fwe_if, 1); 295127468Ssimokawa#else 296106937Ssam ether_ifdetach(&fwe->fwe_if); 297108712Ssimokawa#endif 298103285Sikob 299103285Sikob splx(s); 300103285Sikob return 0; 301103285Sikob} 302103285Sikob 303103285Sikobstatic void 304103285Sikobfwe_init(void *arg) 305103285Sikob{ 306103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 307103285Sikob struct firewire_comm *fc; 308103285Sikob struct ifnet *ifp = &fwe->fwe_if; 309103285Sikob struct fw_xferq *xferq; 310111942Ssimokawa struct fw_xfer *xfer; 311113584Ssimokawa struct mbuf *m; 312103285Sikob int i; 313103285Sikob 314122161Ssimokawa FWEDEBUG(ifp, "initializing\n"); 315103285Sikob 316103285Sikob /* XXX keep promiscoud mode */ 317103285Sikob ifp->if_flags |= IFF_PROMISC; 318103285Sikob 319103285Sikob fc = fwe->fd.fc; 320103285Sikob#define START 0 321103285Sikob if (fwe->dma_ch < 0) { 322103285Sikob for (i = START; i < fc->nisodma; i ++) { 323103285Sikob xferq = fc->ir[i]; 324103285Sikob if ((xferq->flag & FWXFERQ_OPEN) == 0) 325118312Ssimokawa goto found; 326103285Sikob } 327118312Ssimokawa printf("no free dma channel\n"); 328118312Ssimokawa return; 329118312Ssimokawafound: 330103285Sikob fwe->dma_ch = i; 331103285Sikob fwe->stream_ch = stream_ch; 332103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 333103285Sikob /* allocate DMA channel and init packet mode */ 334113584Ssimokawa xferq->flag |= FWXFERQ_OPEN | FWXFERQ_EXTBUF | 335113584Ssimokawa FWXFERQ_HANDLER | FWXFERQ_STREAM; 336112400Ssimokawa xferq->flag &= ~0xff; 337103285Sikob xferq->flag |= fwe->stream_ch & 0xff; 338103285Sikob /* register fwe_input handler */ 339103285Sikob xferq->sc = (caddr_t) fwe; 340103285Sikob xferq->hand = fwe_as_input; 341122603Ssimokawa xferq->bnchunk = rx_queue_len; 342111942Ssimokawa xferq->bnpacket = 1; 343111942Ssimokawa xferq->psize = MCLBYTES; 344111942Ssimokawa xferq->queued = 0; 345113584Ssimokawa xferq->buf = NULL; 346111942Ssimokawa xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 347113584Ssimokawa sizeof(struct fw_bulkxfer) * xferq->bnchunk, 348113584Ssimokawa M_FWE, M_WAITOK); 349111942Ssimokawa if (xferq->bulkxfer == NULL) { 350111942Ssimokawa printf("if_fwe: malloc failed\n"); 351111942Ssimokawa return; 352111942Ssimokawa } 353111942Ssimokawa STAILQ_INIT(&xferq->stvalid); 354111942Ssimokawa STAILQ_INIT(&xferq->stfree); 355111942Ssimokawa STAILQ_INIT(&xferq->stdma); 356111942Ssimokawa xferq->stproc = NULL; 357111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) { 358113584Ssimokawa m = 359127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 360127468Ssimokawa m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 361127468Ssimokawa#else 362111942Ssimokawa m_getcl(M_TRYWAIT, MT_DATA, M_PKTHDR); 363111942Ssimokawa#endif 364113584Ssimokawa xferq->bulkxfer[i].mbuf = m; 365113584Ssimokawa if (m != NULL) { 366113584Ssimokawa m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 367113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, 368113584Ssimokawa &xferq->bulkxfer[i], link); 369113584Ssimokawa } else 370113584Ssimokawa printf("fwe_as_input: m_getcl failed\n"); 371111942Ssimokawa } 372111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 373111942Ssimokawa for (i = 0; i < TX_MAX_QUEUE; i++) { 374111942Ssimokawa xfer = fw_xfer_alloc(M_FWE); 375111942Ssimokawa if (xfer == NULL) 376111942Ssimokawa break; 377120660Ssimokawa xfer->send.spd = tx_speed; 378111942Ssimokawa xfer->fc = fwe->fd.fc; 379111942Ssimokawa xfer->retry_req = fw_asybusy; 380111942Ssimokawa xfer->sc = (caddr_t)fwe; 381111942Ssimokawa xfer->act.hand = fwe_output_callback; 382111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 383111942Ssimokawa } 384103285Sikob } else 385103285Sikob xferq = fc->ir[fwe->dma_ch]; 386103285Sikob 387103285Sikob 388103285Sikob /* start dma */ 389103285Sikob if ((xferq->flag & FWXFERQ_RUNNING) == 0) 390103285Sikob fc->irx_enable(fc, fwe->dma_ch); 391103285Sikob 392103285Sikob ifp->if_flags |= IFF_RUNNING; 393103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 394103285Sikob 395103285Sikob FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 396103285Sikob#if 0 397103285Sikob /* attempt to start output */ 398103285Sikob fwe_start(ifp); 399103285Sikob#endif 400103285Sikob} 401103285Sikob 402103285Sikob 403103285Sikobstatic int 404103285Sikobfwe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 405103285Sikob{ 406103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 407103285Sikob struct ifstat *ifs = NULL; 408103285Sikob int s, error, len; 409103285Sikob 410103285Sikob switch (cmd) { 411103285Sikob case SIOCSIFFLAGS: 412103285Sikob s = splimp(); 413103285Sikob if (ifp->if_flags & IFF_UP) { 414103285Sikob if (!(ifp->if_flags & IFF_RUNNING)) 415103285Sikob fwe_init(&fwe->eth_softc); 416103285Sikob } else { 417103285Sikob if (ifp->if_flags & IFF_RUNNING) 418103285Sikob fwe_stop(fwe); 419103285Sikob } 420103285Sikob /* XXX keep promiscoud mode */ 421103285Sikob ifp->if_flags |= IFF_PROMISC; 422103285Sikob splx(s); 423103285Sikob break; 424103285Sikob case SIOCADDMULTI: 425103285Sikob case SIOCDELMULTI: 426108712Ssimokawa break; 427103285Sikob 428103285Sikob case SIOCGIFSTATUS: 429103285Sikob s = splimp(); 430103285Sikob ifs = (struct ifstat *)data; 431103285Sikob len = strlen(ifs->ascii); 432103285Sikob if (len < sizeof(ifs->ascii)) 433103285Sikob snprintf(ifs->ascii + len, 434103285Sikob sizeof(ifs->ascii) - len, 435103285Sikob "\tch %d dma %d\n", 436103285Sikob fwe->stream_ch, fwe->dma_ch); 437103285Sikob splx(s); 438108712Ssimokawa break; 439127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 440103285Sikob default: 441108712Ssimokawa#else 442108712Ssimokawa case SIOCSIFADDR: 443108712Ssimokawa case SIOCGIFADDR: 444108712Ssimokawa case SIOCSIFMTU: 445108712Ssimokawa#endif 446106937Ssam s = splimp(); 447106937Ssam error = ether_ioctl(ifp, cmd, data); 448106937Ssam splx(s); 449106937Ssam return (error); 450127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 451108712Ssimokawa default: 452108712Ssimokawa return (EINVAL); 453108712Ssimokawa#endif 454103285Sikob } 455103285Sikob 456103285Sikob return (0); 457103285Sikob} 458103285Sikob 459103285Sikobstatic void 460111942Ssimokawafwe_output_callback(struct fw_xfer *xfer) 461111942Ssimokawa{ 462111942Ssimokawa struct fwe_softc *fwe; 463111942Ssimokawa struct ifnet *ifp; 464111942Ssimokawa int s; 465111942Ssimokawa 466111942Ssimokawa fwe = (struct fwe_softc *)xfer->sc; 467111942Ssimokawa ifp = &fwe->fwe_if; 468111942Ssimokawa /* XXX error check */ 469122161Ssimokawa FWEDEBUG(ifp, "resp = %d\n", xfer->resp); 470111942Ssimokawa if (xfer->resp != 0) 471111942Ssimokawa ifp->if_oerrors ++; 472111942Ssimokawa 473111942Ssimokawa m_freem(xfer->mbuf); 474111942Ssimokawa fw_xfer_unload(xfer); 475113584Ssimokawa 476111942Ssimokawa s = splimp(); 477111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 478111942Ssimokawa splx(s); 479113584Ssimokawa 480113584Ssimokawa /* for queue full */ 481111942Ssimokawa if (ifp->if_snd.ifq_head != NULL) 482111942Ssimokawa fwe_start(ifp); 483111942Ssimokawa} 484111942Ssimokawa 485111942Ssimokawastatic void 486103285Sikobfwe_start(struct ifnet *ifp) 487103285Sikob{ 488103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 489103285Sikob int s; 490103285Sikob 491133930Srwatson GIANT_REQUIRED; 492133930Srwatson 493122161Ssimokawa FWEDEBUG(ifp, "starting\n"); 494103285Sikob 495103285Sikob if (fwe->dma_ch < 0) { 496103285Sikob struct mbuf *m = NULL; 497103285Sikob 498122161Ssimokawa FWEDEBUG(ifp, "not ready\n"); 499103285Sikob 500103285Sikob s = splimp(); 501103285Sikob do { 502103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 503103285Sikob if (m != NULL) 504103285Sikob m_freem(m); 505103285Sikob ifp->if_oerrors ++; 506103285Sikob } while (m != NULL); 507103285Sikob splx(s); 508103285Sikob 509103285Sikob return; 510103285Sikob } 511103285Sikob 512103285Sikob s = splimp(); 513103285Sikob ifp->if_flags |= IFF_OACTIVE; 514103285Sikob 515103285Sikob if (ifp->if_snd.ifq_len != 0) 516103285Sikob fwe_as_output(fwe, ifp); 517103285Sikob 518103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 519103285Sikob splx(s); 520103285Sikob} 521103285Sikob 522111942Ssimokawa#define HDR_LEN 4 523111942Ssimokawa#ifndef ETHER_ALIGN 524111942Ssimokawa#define ETHER_ALIGN 2 525103285Sikob#endif 526103285Sikob/* Async. stream output */ 527103285Sikobstatic void 528103285Sikobfwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) 529103285Sikob{ 530103285Sikob struct mbuf *m; 531103285Sikob struct fw_xfer *xfer; 532103285Sikob struct fw_xferq *xferq; 533103285Sikob struct fw_pkt *fp; 534103285Sikob int i = 0; 535103285Sikob 536103285Sikob xfer = NULL; 537103285Sikob xferq = fwe->fd.fc->atq; 538111942Ssimokawa while (xferq->queued < xferq->maxq - 1) { 539111942Ssimokawa xfer = STAILQ_FIRST(&fwe->xferlist); 540111942Ssimokawa if (xfer == NULL) { 541111942Ssimokawa printf("if_fwe: lack of xfer\n"); 542111942Ssimokawa return; 543111942Ssimokawa } 544103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 545103285Sikob if (m == NULL) 546103285Sikob break; 547111942Ssimokawa STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 548127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 549108712Ssimokawa if (ifp->if_bpf != NULL) 550108712Ssimokawa bpf_mtap(ifp, m); 551127468Ssimokawa#else 552127468Ssimokawa BPF_MTAP(ifp, m); 553108712Ssimokawa#endif 554103285Sikob 555103285Sikob /* keep ip packet alignment for alpha */ 556111942Ssimokawa M_PREPEND(m, ETHER_ALIGN, M_DONTWAIT); 557120660Ssimokawa fp = &xfer->send.hdr; 558129585Sdfr *(uint32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 559113584Ssimokawa fp->mode.stream.len = m->m_pkthdr.len; 560103285Sikob xfer->mbuf = m; 561120660Ssimokawa xfer->send.pay_len = m->m_pkthdr.len; 562103285Sikob 563111942Ssimokawa if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 564103285Sikob /* error */ 565103285Sikob ifp->if_oerrors ++; 566103285Sikob /* XXX set error code */ 567103285Sikob fwe_output_callback(xfer); 568103285Sikob } else { 569103285Sikob ifp->if_opackets ++; 570111942Ssimokawa i++; 571103285Sikob } 572103285Sikob } 573103285Sikob#if 0 574103285Sikob if (i > 1) 575103285Sikob printf("%d queued\n", i); 576103285Sikob#endif 577111942Ssimokawa if (i > 0) 578111942Ssimokawa xferq->start(fwe->fd.fc); 579103285Sikob} 580103285Sikob 581103285Sikob/* Async. stream output */ 582103285Sikobstatic void 583103285Sikobfwe_as_input(struct fw_xferq *xferq) 584103285Sikob{ 585113584Ssimokawa struct mbuf *m, *m0; 586103285Sikob struct ifnet *ifp; 587103285Sikob struct fwe_softc *fwe; 588111942Ssimokawa struct fw_bulkxfer *sxfer; 589111942Ssimokawa struct fw_pkt *fp; 590103285Sikob u_char *c; 591127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 592111942Ssimokawa struct ether_header *eh; 593111942Ssimokawa#endif 594103285Sikob 595103285Sikob fwe = (struct fwe_softc *)xferq->sc; 596103285Sikob ifp = &fwe->fwe_if; 597103285Sikob#if 0 598103285Sikob FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 599103285Sikob#endif 600111942Ssimokawa while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 601111942Ssimokawa STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 602113584Ssimokawa fp = mtod(sxfer->mbuf, struct fw_pkt *); 603111942Ssimokawa if (fwe->fd.fc->irx_post != NULL) 604111942Ssimokawa fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 605111942Ssimokawa m = sxfer->mbuf; 606111942Ssimokawa 607119119Ssimokawa /* insert new rbuf */ 608113584Ssimokawa sxfer->mbuf = m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 609113584Ssimokawa if (m0 != NULL) { 610113584Ssimokawa m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 611113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 612113584Ssimokawa } else 613113584Ssimokawa printf("fwe_as_input: m_getcl failed\n"); 614111942Ssimokawa 615119119Ssimokawa if (sxfer->resp != 0 || fp->mode.stream.len < 616119119Ssimokawa ETHER_ALIGN + sizeof(struct ether_header)) { 617119119Ssimokawa m_freem(m); 618119119Ssimokawa ifp->if_ierrors ++; 619119119Ssimokawa continue; 620119119Ssimokawa } 621119119Ssimokawa 622111942Ssimokawa m->m_data += HDR_LEN + ETHER_ALIGN; 623111942Ssimokawa c = mtod(m, char *); 624127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 625111942Ssimokawa eh = (struct ether_header *)c; 626111942Ssimokawa m->m_data += sizeof(struct ether_header); 627132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN 628132429Ssimokawa - sizeof(struct ether_header); 629132429Ssimokawa#else 630132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN; 631108712Ssimokawa#endif 632103285Sikob m->m_pkthdr.rcvif = ifp; 633103285Sikob#if 0 634122161Ssimokawa FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n" 635103285Sikob "%02x %02x %02x %02x %02x %02x\n" 636103285Sikob "%02x %02x %02x %02x\n" 637103285Sikob "%02x %02x %02x %02x\n" 638103285Sikob "%02x %02x %02x %02x\n" 639103285Sikob "%02x %02x %02x %02x\n", 640103285Sikob c[0], c[1], c[2], c[3], c[4], c[5], 641103285Sikob c[6], c[7], c[8], c[9], c[10], c[11], 642103285Sikob c[12], c[13], c[14], c[15], 643103285Sikob c[16], c[17], c[18], c[19], 644103285Sikob c[20], c[21], c[22], c[23], 645103285Sikob c[20], c[21], c[22], c[23] 646103285Sikob ); 647103285Sikob#endif 648127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 649127468Ssimokawa ether_input(ifp, eh, m); 650127468Ssimokawa#else 651106937Ssam (*ifp->if_input)(ifp, m); 652108712Ssimokawa#endif 653103285Sikob ifp->if_ipackets ++; 654103285Sikob } 655111942Ssimokawa if (STAILQ_FIRST(&xferq->stfree) != NULL) 656111942Ssimokawa fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 657103285Sikob} 658103285Sikob 659103285Sikob 660103285Sikobstatic devclass_t fwe_devclass; 661103285Sikob 662103285Sikobstatic device_method_t fwe_methods[] = { 663103285Sikob /* device interface */ 664103285Sikob DEVMETHOD(device_identify, fwe_identify), 665103285Sikob DEVMETHOD(device_probe, fwe_probe), 666103285Sikob DEVMETHOD(device_attach, fwe_attach), 667103285Sikob DEVMETHOD(device_detach, fwe_detach), 668103285Sikob { 0, 0 } 669103285Sikob}; 670103285Sikob 671103285Sikobstatic driver_t fwe_driver = { 672121953Ssimokawa "fwe", 673103285Sikob fwe_methods, 674103285Sikob sizeof(struct fwe_softc), 675103285Sikob}; 676103285Sikob 677103285Sikob 678127468Ssimokawa#ifdef __DragonFly__ 679127468SsimokawaDECLARE_DUMMY_MODULE(fwe); 680127468Ssimokawa#endif 681113506SmdoddDRIVER_MODULE(fwe, firewire, fwe_driver, fwe_devclass, 0, 0); 682113506SmdoddMODULE_VERSION(fwe, 1); 683113506SmdoddMODULE_DEPEND(fwe, firewire, 1, 1, 1); 684