if_fwe.c revision 177599
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 177599 2008-03-25 09:39:02Z ru $ 35103285Sikob */ 36103285Sikob 37150968Sglebius#ifdef HAVE_KERNEL_OPTION_HEADERS 38150968Sglebius#include "opt_device_polling.h" 39103285Sikob#include "opt_inet.h" 40150968Sglebius#endif 41103285Sikob 42103285Sikob#include <sys/param.h> 43103285Sikob#include <sys/kernel.h> 44103285Sikob#include <sys/malloc.h> 45103285Sikob#include <sys/mbuf.h> 46103285Sikob#include <sys/socket.h> 47103285Sikob#include <sys/sockio.h> 48103285Sikob#include <sys/sysctl.h> 49103285Sikob#include <sys/systm.h> 50103285Sikob#include <sys/module.h> 51103285Sikob#include <sys/bus.h> 52113584Ssimokawa#include <machine/bus.h> 53103285Sikob 54103285Sikob#include <net/bpf.h> 55103285Sikob#include <net/ethernet.h> 56103285Sikob#include <net/if.h> 57103285Sikob#include <net/if_arp.h> 58147256Sbrooks#include <net/if_types.h> 59127468Ssimokawa#ifdef __DragonFly__ 60127468Ssimokawa#include <net/vlan/if_vlan_var.h> 61127468Ssimokawa#include <bus/firewire/firewire.h> 62127468Ssimokawa#include <bus/firewire/firewirereg.h> 63127468Ssimokawa#include "if_fwevar.h" 64127468Ssimokawa#else 65103285Sikob#include <net/if_vlan_var.h> 66103285Sikob 67103285Sikob#include <dev/firewire/firewire.h> 68103285Sikob#include <dev/firewire/firewirereg.h> 69103285Sikob#include <dev/firewire/if_fwevar.h> 70127468Ssimokawa#endif 71103285Sikob 72122161Ssimokawa#define FWEDEBUG if (fwedebug) if_printf 73111942Ssimokawa#define TX_MAX_QUEUE (FWMAXQUEUE - 1) 74103285Sikob 75103285Sikob/* network interface */ 76124169Ssimokawastatic void fwe_start (struct ifnet *); 77124169Ssimokawastatic int fwe_ioctl (struct ifnet *, u_long, caddr_t); 78124169Ssimokawastatic void fwe_init (void *); 79103285Sikob 80124169Ssimokawastatic void fwe_output_callback (struct fw_xfer *); 81124169Ssimokawastatic void fwe_as_output (struct fwe_softc *, struct ifnet *); 82124169Ssimokawastatic void fwe_as_input (struct fw_xferq *); 83103285Sikob 84103285Sikobstatic int fwedebug = 0; 85103285Sikobstatic int stream_ch = 1; 86116139Ssimokawastatic int tx_speed = 2; 87122603Ssimokawastatic int rx_queue_len = FWMAXQUEUE; 88103285Sikob 89108281SsimokawaMALLOC_DEFINE(M_FWE, "if_fwe", "Ethernet over FireWire interface"); 90103285SikobSYSCTL_INT(_debug, OID_AUTO, if_fwe_debug, CTLFLAG_RW, &fwedebug, 0, ""); 91103285SikobSYSCTL_DECL(_hw_firewire); 92103285SikobSYSCTL_NODE(_hw_firewire, OID_AUTO, fwe, CTLFLAG_RD, 0, 93122603Ssimokawa "Ethernet emulation subsystem"); 94103285SikobSYSCTL_INT(_hw_firewire_fwe, OID_AUTO, stream_ch, CTLFLAG_RW, &stream_ch, 0, 95103285Sikob "Stream channel to use"); 96116139SsimokawaSYSCTL_INT(_hw_firewire_fwe, OID_AUTO, tx_speed, CTLFLAG_RW, &tx_speed, 0, 97122603Ssimokawa "Transmission speed"); 98122603SsimokawaSYSCTL_INT(_hw_firewire_fwe, OID_AUTO, rx_queue_len, CTLFLAG_RW, &rx_queue_len, 99122603Ssimokawa 0, "Length of the receive queue"); 100103285Sikob 101122603SsimokawaTUNABLE_INT("hw.firewire.fwe.stream_ch", &stream_ch); 102122603SsimokawaTUNABLE_INT("hw.firewire.fwe.tx_speed", &tx_speed); 103122603SsimokawaTUNABLE_INT("hw.firewire.fwe.rx_queue_len", &rx_queue_len); 104122603Ssimokawa 105103285Sikob#ifdef DEVICE_POLLING 106103285Sikobstatic poll_handler_t fwe_poll; 107103285Sikob 108103285Sikobstatic void 109103285Sikobfwe_poll(struct ifnet *ifp, enum poll_cmd cmd, int count) 110103285Sikob{ 111103285Sikob struct fwe_softc *fwe; 112103285Sikob struct firewire_comm *fc; 113103285Sikob 114150789Sglebius if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 115150789Sglebius return; 116150789Sglebius 117103285Sikob fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 118103285Sikob fc = fwe->fd.fc; 119103285Sikob fc->poll(fc, (cmd == POLL_AND_CHECK_STATUS)?0:1, count); 120103285Sikob} 121150789Sglebius#endif /* DEVICE_POLLING */ 122150789Sglebius 123103285Sikobstatic void 124103285Sikobfwe_identify(driver_t *driver, device_t parent) 125103285Sikob{ 126121953Ssimokawa BUS_ADD_CHILD(parent, 0, "fwe", device_get_unit(parent)); 127103285Sikob} 128103285Sikob 129103285Sikobstatic int 130103285Sikobfwe_probe(device_t dev) 131103285Sikob{ 132103285Sikob device_t pa; 133103285Sikob 134103285Sikob pa = device_get_parent(dev); 135103285Sikob if(device_get_unit(dev) != device_get_unit(pa)){ 136103285Sikob return(ENXIO); 137103285Sikob } 138103285Sikob 139108281Ssimokawa device_set_desc(dev, "Ethernet over FireWire"); 140103285Sikob return (0); 141103285Sikob} 142103285Sikob 143103285Sikobstatic int 144103285Sikobfwe_attach(device_t dev) 145103285Sikob{ 146103285Sikob struct fwe_softc *fwe; 147103285Sikob struct ifnet *ifp; 148103285Sikob int unit, s; 149147256Sbrooks#if defined(__DragonFly__) || __FreeBSD_version < 500000 150103285Sikob u_char *eaddr; 151147256Sbrooks#else 152147256Sbrooks u_char eaddr[6]; 153147256Sbrooks#endif 154109814Ssimokawa struct fw_eui64 *eui; 155103285Sikob 156103285Sikob fwe = ((struct fwe_softc *)device_get_softc(dev)); 157103285Sikob unit = device_get_unit(dev); 158103285Sikob 159103285Sikob bzero(fwe, sizeof(struct fwe_softc)); 160170374Ssimokawa mtx_init(&fwe->mtx, "fwe", NULL, MTX_DEF); 161103285Sikob /* XXX */ 162103285Sikob fwe->stream_ch = stream_ch; 163103285Sikob fwe->dma_ch = -1; 164103285Sikob 165103285Sikob fwe->fd.fc = device_get_ivars(dev); 166124251Ssimokawa if (tx_speed < 0) 167124251Ssimokawa tx_speed = fwe->fd.fc->speed; 168124251Ssimokawa 169103285Sikob fwe->fd.dev = dev; 170103285Sikob fwe->fd.post_explore = NULL; 171103285Sikob fwe->eth_softc.fwe = fwe; 172103285Sikob 173103285Sikob fwe->pkt_hdr.mode.stream.tcode = FWTCODE_STREAM; 174103285Sikob fwe->pkt_hdr.mode.stream.sy = 0; 175103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 176103285Sikob 177103285Sikob /* generate fake MAC address: first and last 3bytes from eui64 */ 178103285Sikob#define LOCAL (0x02) 179103285Sikob#define GROUP (0x01) 180147256Sbrooks#if defined(__DragonFly__) || __FreeBSD_version < 500000 181147256Sbrooks eaddr = &IFP2ENADDR(fwe->eth_softc.ifp)[0]; 182147256Sbrooks#endif 183109814Ssimokawa 184147256Sbrooks 185109814Ssimokawa eui = &fwe->fd.fc->eui; 186109814Ssimokawa eaddr[0] = (FW_EUI64_BYTE(eui, 0) | LOCAL) & ~GROUP; 187109814Ssimokawa eaddr[1] = FW_EUI64_BYTE(eui, 1); 188109814Ssimokawa eaddr[2] = FW_EUI64_BYTE(eui, 2); 189109814Ssimokawa eaddr[3] = FW_EUI64_BYTE(eui, 5); 190109814Ssimokawa eaddr[4] = FW_EUI64_BYTE(eui, 6); 191109814Ssimokawa eaddr[5] = FW_EUI64_BYTE(eui, 7); 192107653Ssimokawa printf("if_fwe%d: Fake Ethernet address: " 193107653Ssimokawa "%02x:%02x:%02x:%02x:%02x:%02x\n", unit, 194103285Sikob eaddr[0], eaddr[1], eaddr[2], eaddr[3], eaddr[4], eaddr[5]); 195103285Sikob 196103285Sikob /* fill the rest and attach interface */ 197147256Sbrooks ifp = fwe->eth_softc.ifp = if_alloc(IFT_ETHER); 198147256Sbrooks if (ifp == NULL) { 199147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 200147256Sbrooks return (ENOSPC); 201147256Sbrooks } 202103285Sikob ifp->if_softc = &fwe->eth_softc; 203103285Sikob 204127468Ssimokawa#if __FreeBSD_version >= 501113 || defined(__DragonFly__) 205121953Ssimokawa if_initname(ifp, device_get_name(dev), unit); 206122212Ssimokawa#else 207122212Ssimokawa ifp->if_unit = unit; 208122212Ssimokawa ifp->if_name = "fwe"; 209122212Ssimokawa#endif 210103285Sikob ifp->if_init = fwe_init; 211132430Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 212132430Ssimokawa ifp->if_output = ether_output; 213132430Ssimokawa#endif 214103285Sikob ifp->if_start = fwe_start; 215103285Sikob ifp->if_ioctl = fwe_ioctl; 216103285Sikob ifp->if_mtu = ETHERMTU; 217170374Ssimokawa ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST); 218111942Ssimokawa ifp->if_snd.ifq_maxlen = TX_MAX_QUEUE; 219103285Sikob 220103285Sikob s = splimp(); 221127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 222127468Ssimokawa ether_ifattach(ifp, 1); 223127468Ssimokawa#else 224106937Ssam ether_ifattach(ifp, eaddr); 225108712Ssimokawa#endif 226103285Sikob splx(s); 227103285Sikob 228103285Sikob /* Tell the upper layer(s) we support long frames. */ 229103285Sikob ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); 230127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 231151229Sglebius ifp->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_POLLING; 232129552Syar ifp->if_capenable |= IFCAP_VLAN_MTU; 233108712Ssimokawa#endif 234103285Sikob 235103285Sikob 236122161Ssimokawa FWEDEBUG(ifp, "interface created\n"); 237103285Sikob return 0; 238103285Sikob} 239103285Sikob 240103285Sikobstatic void 241103285Sikobfwe_stop(struct fwe_softc *fwe) 242103285Sikob{ 243103285Sikob struct firewire_comm *fc; 244103285Sikob struct fw_xferq *xferq; 245147256Sbrooks struct ifnet *ifp = fwe->eth_softc.ifp; 246111942Ssimokawa struct fw_xfer *xfer, *next; 247111942Ssimokawa int i; 248103285Sikob 249103285Sikob fc = fwe->fd.fc; 250103285Sikob 251103285Sikob if (fwe->dma_ch >= 0) { 252103285Sikob xferq = fc->ir[fwe->dma_ch]; 253103285Sikob 254103285Sikob if (xferq->flag & FWXFERQ_RUNNING) 255103285Sikob fc->irx_disable(fc, fwe->dma_ch); 256103285Sikob xferq->flag &= 257113584Ssimokawa ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | FWXFERQ_STREAM | 258113584Ssimokawa FWXFERQ_EXTBUF | FWXFERQ_HANDLER | FWXFERQ_CHTAGMASK); 259111942Ssimokawa xferq->hand = NULL; 260111942Ssimokawa 261111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) 262111942Ssimokawa m_freem(xferq->bulkxfer[i].mbuf); 263111942Ssimokawa free(xferq->bulkxfer, M_FWE); 264111942Ssimokawa 265111942Ssimokawa for (xfer = STAILQ_FIRST(&fwe->xferlist); xfer != NULL; 266111942Ssimokawa xfer = next) { 267111942Ssimokawa next = STAILQ_NEXT(xfer, link); 268111942Ssimokawa fw_xfer_free(xfer); 269111942Ssimokawa } 270111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 271111942Ssimokawa 272111942Ssimokawa xferq->bulkxfer = NULL; 273103285Sikob fwe->dma_ch = -1; 274103285Sikob } 275103285Sikob 276148887Srwatson#if defined(__FreeBSD__) 277148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 278148887Srwatson#else 279103285Sikob ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 280148887Srwatson#endif 281103285Sikob} 282103285Sikob 283103285Sikobstatic int 284103285Sikobfwe_detach(device_t dev) 285103285Sikob{ 286103285Sikob struct fwe_softc *fwe; 287147256Sbrooks struct ifnet *ifp; 288103285Sikob int s; 289103285Sikob 290147256Sbrooks fwe = device_get_softc(dev); 291147256Sbrooks ifp = fwe->eth_softc.ifp; 292150789Sglebius 293150789Sglebius#ifdef DEVICE_POLLING 294150789Sglebius if (ifp->if_capenable & IFCAP_POLLING) 295150789Sglebius ether_poll_deregister(ifp); 296150789Sglebius#endif 297103285Sikob s = splimp(); 298103285Sikob 299103285Sikob fwe_stop(fwe); 300127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 301147256Sbrooks ether_ifdetach(ifp, 1); 302127468Ssimokawa#else 303147256Sbrooks ether_ifdetach(ifp); 304147256Sbrooks if_free(ifp); 305108712Ssimokawa#endif 306103285Sikob 307103285Sikob splx(s); 308170374Ssimokawa mtx_destroy(&fwe->mtx); 309103285Sikob return 0; 310103285Sikob} 311103285Sikob 312103285Sikobstatic void 313103285Sikobfwe_init(void *arg) 314103285Sikob{ 315103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 316103285Sikob struct firewire_comm *fc; 317147256Sbrooks struct ifnet *ifp = fwe->eth_softc.ifp; 318103285Sikob struct fw_xferq *xferq; 319111942Ssimokawa struct fw_xfer *xfer; 320113584Ssimokawa struct mbuf *m; 321103285Sikob int i; 322103285Sikob 323122161Ssimokawa FWEDEBUG(ifp, "initializing\n"); 324103285Sikob 325103285Sikob /* XXX keep promiscoud mode */ 326103285Sikob ifp->if_flags |= IFF_PROMISC; 327103285Sikob 328103285Sikob fc = fwe->fd.fc; 329103285Sikob if (fwe->dma_ch < 0) { 330170374Ssimokawa fwe->dma_ch = fw_open_isodma(fc, /* tx */0); 331170374Ssimokawa if (fwe->dma_ch < 0) 332170374Ssimokawa return; 333170374Ssimokawa xferq = fc->ir[fwe->dma_ch]; 334170374Ssimokawa xferq->flag |= FWXFERQ_EXTBUF | 335170374Ssimokawa FWXFERQ_HANDLER | FWXFERQ_STREAM; 336103285Sikob fwe->stream_ch = stream_ch; 337103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 338112400Ssimokawa xferq->flag &= ~0xff; 339103285Sikob xferq->flag |= fwe->stream_ch & 0xff; 340103285Sikob /* register fwe_input handler */ 341103285Sikob xferq->sc = (caddr_t) fwe; 342103285Sikob xferq->hand = fwe_as_input; 343122603Ssimokawa xferq->bnchunk = rx_queue_len; 344111942Ssimokawa xferq->bnpacket = 1; 345111942Ssimokawa xferq->psize = MCLBYTES; 346111942Ssimokawa xferq->queued = 0; 347113584Ssimokawa xferq->buf = NULL; 348111942Ssimokawa xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 349113584Ssimokawa sizeof(struct fw_bulkxfer) * xferq->bnchunk, 350113584Ssimokawa M_FWE, M_WAITOK); 351111942Ssimokawa if (xferq->bulkxfer == NULL) { 352111942Ssimokawa printf("if_fwe: malloc failed\n"); 353111942Ssimokawa return; 354111942Ssimokawa } 355111942Ssimokawa STAILQ_INIT(&xferq->stvalid); 356111942Ssimokawa STAILQ_INIT(&xferq->stfree); 357111942Ssimokawa STAILQ_INIT(&xferq->stdma); 358111942Ssimokawa xferq->stproc = NULL; 359111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) { 360177599Sru m = m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 361113584Ssimokawa xferq->bulkxfer[i].mbuf = m; 362177599Sru m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 363177599Sru STAILQ_INSERT_TAIL(&xferq->stfree, 364177599Sru &xferq->bulkxfer[i], link); 365111942Ssimokawa } 366111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 367111942Ssimokawa for (i = 0; i < TX_MAX_QUEUE; i++) { 368111942Ssimokawa xfer = fw_xfer_alloc(M_FWE); 369111942Ssimokawa if (xfer == NULL) 370111942Ssimokawa break; 371120660Ssimokawa xfer->send.spd = tx_speed; 372111942Ssimokawa xfer->fc = fwe->fd.fc; 373111942Ssimokawa xfer->sc = (caddr_t)fwe; 374167632Ssimokawa xfer->hand = fwe_output_callback; 375111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 376111942Ssimokawa } 377103285Sikob } else 378103285Sikob xferq = fc->ir[fwe->dma_ch]; 379103285Sikob 380103285Sikob 381103285Sikob /* start dma */ 382103285Sikob if ((xferq->flag & FWXFERQ_RUNNING) == 0) 383103285Sikob fc->irx_enable(fc, fwe->dma_ch); 384103285Sikob 385148887Srwatson#if defined(__FreeBSD__) 386148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 387148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 388148887Srwatson#else 389103285Sikob ifp->if_flags |= IFF_RUNNING; 390103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 391148887Srwatson#endif 392103285Sikob 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) { 411148887Srwatson#if defined(__FreeBSD__) 412148887Srwatson if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 413148887Srwatson#else 414103285Sikob if (!(ifp->if_flags & IFF_RUNNING)) 415148887Srwatson#endif 416103285Sikob fwe_init(&fwe->eth_softc); 417103285Sikob } else { 418148887Srwatson#if defined(__FreeBSD__) 419148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 420148887Srwatson#else 421103285Sikob if (ifp->if_flags & IFF_RUNNING) 422148887Srwatson#endif 423103285Sikob fwe_stop(fwe); 424103285Sikob } 425103285Sikob /* XXX keep promiscoud mode */ 426103285Sikob ifp->if_flags |= IFF_PROMISC; 427103285Sikob splx(s); 428103285Sikob break; 429103285Sikob case SIOCADDMULTI: 430103285Sikob case SIOCDELMULTI: 431108712Ssimokawa break; 432103285Sikob 433103285Sikob case SIOCGIFSTATUS: 434103285Sikob s = splimp(); 435103285Sikob ifs = (struct ifstat *)data; 436103285Sikob len = strlen(ifs->ascii); 437103285Sikob if (len < sizeof(ifs->ascii)) 438103285Sikob snprintf(ifs->ascii + len, 439103285Sikob sizeof(ifs->ascii) - len, 440103285Sikob "\tch %d dma %d\n", 441103285Sikob fwe->stream_ch, fwe->dma_ch); 442103285Sikob splx(s); 443108712Ssimokawa break; 444150789Sglebius case SIOCSIFCAP: 445150789Sglebius#ifdef DEVICE_POLLING 446150789Sglebius { 447150789Sglebius struct ifreq *ifr = (struct ifreq *) data; 448150789Sglebius struct firewire_comm *fc = fc = fwe->fd.fc; 449150789Sglebius 450150789Sglebius if (ifr->ifr_reqcap & IFCAP_POLLING && 451150789Sglebius !(ifp->if_capenable & IFCAP_POLLING)) { 452150789Sglebius error = ether_poll_register(fwe_poll, ifp); 453150789Sglebius if (error) 454150789Sglebius return(error); 455150789Sglebius /* Disable interrupts */ 456150789Sglebius fc->set_intr(fc, 0); 457150789Sglebius ifp->if_capenable |= IFCAP_POLLING; 458150789Sglebius return (error); 459150789Sglebius } 460150789Sglebius if (!(ifr->ifr_reqcap & IFCAP_POLLING) && 461150789Sglebius ifp->if_capenable & IFCAP_POLLING) { 462150789Sglebius error = ether_poll_deregister(ifp); 463150789Sglebius /* Enable interrupts. */ 464150789Sglebius fc->set_intr(fc, 1); 465150789Sglebius ifp->if_capenable &= ~IFCAP_POLLING; 466150789Sglebius return (error); 467150789Sglebius } 468150789Sglebius } 469150789Sglebius#endif /* DEVICE_POLLING */ 470150789Sglebius break; 471127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 472103285Sikob default: 473108712Ssimokawa#else 474108712Ssimokawa case SIOCSIFADDR: 475108712Ssimokawa case SIOCGIFADDR: 476108712Ssimokawa case SIOCSIFMTU: 477108712Ssimokawa#endif 478106937Ssam s = splimp(); 479106937Ssam error = ether_ioctl(ifp, cmd, data); 480106937Ssam splx(s); 481106937Ssam return (error); 482127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 483108712Ssimokawa default: 484108712Ssimokawa return (EINVAL); 485108712Ssimokawa#endif 486103285Sikob } 487103285Sikob 488103285Sikob return (0); 489103285Sikob} 490103285Sikob 491103285Sikobstatic void 492111942Ssimokawafwe_output_callback(struct fw_xfer *xfer) 493111942Ssimokawa{ 494111942Ssimokawa struct fwe_softc *fwe; 495111942Ssimokawa struct ifnet *ifp; 496111942Ssimokawa int s; 497111942Ssimokawa 498111942Ssimokawa fwe = (struct fwe_softc *)xfer->sc; 499147256Sbrooks ifp = fwe->eth_softc.ifp; 500111942Ssimokawa /* XXX error check */ 501122161Ssimokawa FWEDEBUG(ifp, "resp = %d\n", xfer->resp); 502111942Ssimokawa if (xfer->resp != 0) 503111942Ssimokawa ifp->if_oerrors ++; 504111942Ssimokawa 505111942Ssimokawa m_freem(xfer->mbuf); 506111942Ssimokawa fw_xfer_unload(xfer); 507113584Ssimokawa 508111942Ssimokawa s = splimp(); 509170374Ssimokawa FWE_LOCK(fwe); 510111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 511170374Ssimokawa FWE_UNLOCK(fwe); 512111942Ssimokawa splx(s); 513113584Ssimokawa 514113584Ssimokawa /* for queue full */ 515111942Ssimokawa if (ifp->if_snd.ifq_head != NULL) 516111942Ssimokawa fwe_start(ifp); 517111942Ssimokawa} 518111942Ssimokawa 519111942Ssimokawastatic void 520103285Sikobfwe_start(struct ifnet *ifp) 521103285Sikob{ 522103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 523103285Sikob int s; 524103285Sikob 525122161Ssimokawa FWEDEBUG(ifp, "starting\n"); 526103285Sikob 527103285Sikob if (fwe->dma_ch < 0) { 528103285Sikob struct mbuf *m = NULL; 529103285Sikob 530122161Ssimokawa FWEDEBUG(ifp, "not ready\n"); 531103285Sikob 532103285Sikob s = splimp(); 533103285Sikob do { 534103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 535103285Sikob if (m != NULL) 536103285Sikob m_freem(m); 537103285Sikob ifp->if_oerrors ++; 538103285Sikob } while (m != NULL); 539103285Sikob splx(s); 540103285Sikob 541103285Sikob return; 542103285Sikob } 543103285Sikob 544103285Sikob s = splimp(); 545148887Srwatson#if defined(__FreeBSD__) 546148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 547148887Srwatson#else 548103285Sikob ifp->if_flags |= IFF_OACTIVE; 549148887Srwatson#endif 550103285Sikob 551103285Sikob if (ifp->if_snd.ifq_len != 0) 552103285Sikob fwe_as_output(fwe, ifp); 553103285Sikob 554148887Srwatson#if defined(__FreeBSD__) 555148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 556148887Srwatson#else 557103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 558148887Srwatson#endif 559103285Sikob splx(s); 560103285Sikob} 561103285Sikob 562111942Ssimokawa#define HDR_LEN 4 563111942Ssimokawa#ifndef ETHER_ALIGN 564111942Ssimokawa#define ETHER_ALIGN 2 565103285Sikob#endif 566103285Sikob/* Async. stream output */ 567103285Sikobstatic void 568103285Sikobfwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) 569103285Sikob{ 570103285Sikob struct mbuf *m; 571103285Sikob struct fw_xfer *xfer; 572103285Sikob struct fw_xferq *xferq; 573103285Sikob struct fw_pkt *fp; 574103285Sikob int i = 0; 575103285Sikob 576103285Sikob xfer = NULL; 577103285Sikob xferq = fwe->fd.fc->atq; 578170374Ssimokawa while ((xferq->queued < xferq->maxq - 1) && 579170374Ssimokawa (ifp->if_snd.ifq_head != NULL)) { 580170374Ssimokawa FWE_LOCK(fwe); 581111942Ssimokawa xfer = STAILQ_FIRST(&fwe->xferlist); 582111942Ssimokawa if (xfer == NULL) { 583170374Ssimokawa#if 0 584111942Ssimokawa printf("if_fwe: lack of xfer\n"); 585170374Ssimokawa#endif 586170374Ssimokawa FWE_UNLOCK(fwe); 587170374Ssimokawa break; 588111942Ssimokawa } 589170374Ssimokawa STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 590170374Ssimokawa FWE_UNLOCK(fwe); 591170374Ssimokawa 592103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 593170374Ssimokawa if (m == NULL) { 594170374Ssimokawa FWE_LOCK(fwe); 595170374Ssimokawa STAILQ_INSERT_HEAD(&fwe->xferlist, xfer, link); 596170374Ssimokawa FWE_UNLOCK(fwe); 597103285Sikob break; 598170374Ssimokawa } 599127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 600108712Ssimokawa if (ifp->if_bpf != NULL) 601108712Ssimokawa bpf_mtap(ifp, m); 602127468Ssimokawa#else 603127468Ssimokawa BPF_MTAP(ifp, m); 604108712Ssimokawa#endif 605103285Sikob 606103285Sikob /* keep ip packet alignment for alpha */ 607111942Ssimokawa M_PREPEND(m, ETHER_ALIGN, M_DONTWAIT); 608120660Ssimokawa fp = &xfer->send.hdr; 609129585Sdfr *(uint32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 610113584Ssimokawa fp->mode.stream.len = m->m_pkthdr.len; 611103285Sikob xfer->mbuf = m; 612120660Ssimokawa xfer->send.pay_len = m->m_pkthdr.len; 613103285Sikob 614111942Ssimokawa if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 615103285Sikob /* error */ 616103285Sikob ifp->if_oerrors ++; 617103285Sikob /* XXX set error code */ 618103285Sikob fwe_output_callback(xfer); 619103285Sikob } else { 620103285Sikob ifp->if_opackets ++; 621111942Ssimokawa i++; 622103285Sikob } 623103285Sikob } 624103285Sikob#if 0 625103285Sikob if (i > 1) 626103285Sikob printf("%d queued\n", i); 627103285Sikob#endif 628111942Ssimokawa if (i > 0) 629111942Ssimokawa xferq->start(fwe->fd.fc); 630103285Sikob} 631103285Sikob 632103285Sikob/* Async. stream output */ 633103285Sikobstatic void 634103285Sikobfwe_as_input(struct fw_xferq *xferq) 635103285Sikob{ 636113584Ssimokawa struct mbuf *m, *m0; 637103285Sikob struct ifnet *ifp; 638103285Sikob struct fwe_softc *fwe; 639111942Ssimokawa struct fw_bulkxfer *sxfer; 640111942Ssimokawa struct fw_pkt *fp; 641103285Sikob u_char *c; 642127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 643111942Ssimokawa struct ether_header *eh; 644111942Ssimokawa#endif 645103285Sikob 646103285Sikob fwe = (struct fwe_softc *)xferq->sc; 647147256Sbrooks ifp = fwe->eth_softc.ifp; 648150789Sglebius 649170374Ssimokawa /* We do not need a lock here because the bottom half is serialized */ 650111942Ssimokawa while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 651111942Ssimokawa STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 652113584Ssimokawa fp = mtod(sxfer->mbuf, struct fw_pkt *); 653111942Ssimokawa if (fwe->fd.fc->irx_post != NULL) 654111942Ssimokawa fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 655111942Ssimokawa m = sxfer->mbuf; 656111942Ssimokawa 657119119Ssimokawa /* insert new rbuf */ 658113584Ssimokawa sxfer->mbuf = m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 659113584Ssimokawa if (m0 != NULL) { 660113584Ssimokawa m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 661113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 662113584Ssimokawa } else 663170374Ssimokawa printf("%s: m_getcl failed\n", __FUNCTION__); 664111942Ssimokawa 665119119Ssimokawa if (sxfer->resp != 0 || fp->mode.stream.len < 666119119Ssimokawa ETHER_ALIGN + sizeof(struct ether_header)) { 667119119Ssimokawa m_freem(m); 668119119Ssimokawa ifp->if_ierrors ++; 669119119Ssimokawa continue; 670119119Ssimokawa } 671119119Ssimokawa 672111942Ssimokawa m->m_data += HDR_LEN + ETHER_ALIGN; 673170374Ssimokawa c = mtod(m, u_char *); 674127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 675111942Ssimokawa eh = (struct ether_header *)c; 676111942Ssimokawa m->m_data += sizeof(struct ether_header); 677132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN 678132429Ssimokawa - sizeof(struct ether_header); 679132429Ssimokawa#else 680132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN; 681108712Ssimokawa#endif 682103285Sikob m->m_pkthdr.rcvif = ifp; 683103285Sikob#if 0 684122161Ssimokawa FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n" 685103285Sikob "%02x %02x %02x %02x %02x %02x\n" 686103285Sikob "%02x %02x %02x %02x\n" 687103285Sikob "%02x %02x %02x %02x\n" 688103285Sikob "%02x %02x %02x %02x\n" 689103285Sikob "%02x %02x %02x %02x\n", 690103285Sikob c[0], c[1], c[2], c[3], c[4], c[5], 691103285Sikob c[6], c[7], c[8], c[9], c[10], c[11], 692103285Sikob c[12], c[13], c[14], c[15], 693103285Sikob c[16], c[17], c[18], c[19], 694103285Sikob c[20], c[21], c[22], c[23], 695103285Sikob c[20], c[21], c[22], c[23] 696103285Sikob ); 697103285Sikob#endif 698127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 699127468Ssimokawa ether_input(ifp, eh, m); 700127468Ssimokawa#else 701106937Ssam (*ifp->if_input)(ifp, m); 702108712Ssimokawa#endif 703103285Sikob ifp->if_ipackets ++; 704103285Sikob } 705111942Ssimokawa if (STAILQ_FIRST(&xferq->stfree) != NULL) 706111942Ssimokawa fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 707103285Sikob} 708103285Sikob 709103285Sikob 710103285Sikobstatic devclass_t fwe_devclass; 711103285Sikob 712103285Sikobstatic device_method_t fwe_methods[] = { 713103285Sikob /* device interface */ 714103285Sikob DEVMETHOD(device_identify, fwe_identify), 715103285Sikob DEVMETHOD(device_probe, fwe_probe), 716103285Sikob DEVMETHOD(device_attach, fwe_attach), 717103285Sikob DEVMETHOD(device_detach, fwe_detach), 718103285Sikob { 0, 0 } 719103285Sikob}; 720103285Sikob 721103285Sikobstatic driver_t fwe_driver = { 722121953Ssimokawa "fwe", 723103285Sikob fwe_methods, 724103285Sikob sizeof(struct fwe_softc), 725103285Sikob}; 726103285Sikob 727103285Sikob 728127468Ssimokawa#ifdef __DragonFly__ 729127468SsimokawaDECLARE_DUMMY_MODULE(fwe); 730127468Ssimokawa#endif 731113506SmdoddDRIVER_MODULE(fwe, firewire, fwe_driver, fwe_devclass, 0, 0); 732113506SmdoddMODULE_VERSION(fwe, 1); 733113506SmdoddMODULE_DEPEND(fwe, firewire, 1, 1, 1); 734