if_fwe.c revision 267992
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 267992 2014-06-28 03:56:17Z hselasky $ 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> 57257176Sglebius#include <net/if_var.h> 58103285Sikob#include <net/if_arp.h> 59147256Sbrooks#include <net/if_types.h> 60127468Ssimokawa#ifdef __DragonFly__ 61127468Ssimokawa#include <net/vlan/if_vlan_var.h> 62127468Ssimokawa#include <bus/firewire/firewire.h> 63127468Ssimokawa#include <bus/firewire/firewirereg.h> 64127468Ssimokawa#include "if_fwevar.h" 65127468Ssimokawa#else 66103285Sikob#include <net/if_vlan_var.h> 67103285Sikob 68103285Sikob#include <dev/firewire/firewire.h> 69103285Sikob#include <dev/firewire/firewirereg.h> 70103285Sikob#include <dev/firewire/if_fwevar.h> 71127468Ssimokawa#endif 72103285Sikob 73122161Ssimokawa#define FWEDEBUG if (fwedebug) if_printf 74111942Ssimokawa#define TX_MAX_QUEUE (FWMAXQUEUE - 1) 75103285Sikob 76103285Sikob/* network interface */ 77124169Ssimokawastatic void fwe_start (struct ifnet *); 78124169Ssimokawastatic int fwe_ioctl (struct ifnet *, u_long, caddr_t); 79124169Ssimokawastatic void fwe_init (void *); 80103285Sikob 81124169Ssimokawastatic void fwe_output_callback (struct fw_xfer *); 82124169Ssimokawastatic void fwe_as_output (struct fwe_softc *, struct ifnet *); 83124169Ssimokawastatic void fwe_as_input (struct fw_xferq *); 84103285Sikob 85103285Sikobstatic int fwedebug = 0; 86103285Sikobstatic int stream_ch = 1; 87116139Ssimokawastatic int tx_speed = 2; 88122603Ssimokawastatic int rx_queue_len = FWMAXQUEUE; 89103285Sikob 90227293Sedstatic MALLOC_DEFINE(M_FWE, "if_fwe", "Ethernet over FireWire interface"); 91267992ShselaskySYSCTL_INT(_debug, OID_AUTO, if_fwe_debug, CTLFLAG_RWTUN, &fwedebug, 0, ""); 92103285SikobSYSCTL_DECL(_hw_firewire); 93227309Sedstatic SYSCTL_NODE(_hw_firewire, OID_AUTO, fwe, CTLFLAG_RD, 0, 94122603Ssimokawa "Ethernet emulation subsystem"); 95267992ShselaskySYSCTL_INT(_hw_firewire_fwe, OID_AUTO, stream_ch, CTLFLAG_RWTUN, &stream_ch, 0, 96103285Sikob "Stream channel to use"); 97267992ShselaskySYSCTL_INT(_hw_firewire_fwe, OID_AUTO, tx_speed, CTLFLAG_RWTUN, &tx_speed, 0, 98122603Ssimokawa "Transmission speed"); 99267992ShselaskySYSCTL_INT(_hw_firewire_fwe, OID_AUTO, rx_queue_len, CTLFLAG_RWTUN, &rx_queue_len, 100122603Ssimokawa 0, "Length of the receive queue"); 101103285Sikob 102103285Sikob#ifdef DEVICE_POLLING 103103285Sikobstatic poll_handler_t fwe_poll; 104103285Sikob 105193096Sattiliostatic int 106103285Sikobfwe_poll(struct ifnet *ifp, enum poll_cmd cmd, int count) 107103285Sikob{ 108103285Sikob struct fwe_softc *fwe; 109103285Sikob struct firewire_comm *fc; 110103285Sikob 111150789Sglebius if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 112193096Sattilio return (0); 113150789Sglebius 114103285Sikob fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 115103285Sikob fc = fwe->fd.fc; 116103285Sikob fc->poll(fc, (cmd == POLL_AND_CHECK_STATUS)?0:1, count); 117193096Sattilio return (0); 118103285Sikob} 119150789Sglebius#endif /* DEVICE_POLLING */ 120150789Sglebius 121103285Sikobstatic void 122103285Sikobfwe_identify(driver_t *driver, device_t parent) 123103285Sikob{ 124121953Ssimokawa BUS_ADD_CHILD(parent, 0, "fwe", device_get_unit(parent)); 125103285Sikob} 126103285Sikob 127103285Sikobstatic int 128103285Sikobfwe_probe(device_t dev) 129103285Sikob{ 130103285Sikob device_t pa; 131103285Sikob 132103285Sikob pa = device_get_parent(dev); 133103285Sikob if(device_get_unit(dev) != device_get_unit(pa)){ 134103285Sikob return(ENXIO); 135103285Sikob } 136103285Sikob 137108281Ssimokawa device_set_desc(dev, "Ethernet over FireWire"); 138103285Sikob return (0); 139103285Sikob} 140103285Sikob 141103285Sikobstatic int 142103285Sikobfwe_attach(device_t dev) 143103285Sikob{ 144103285Sikob struct fwe_softc *fwe; 145103285Sikob struct ifnet *ifp; 146103285Sikob int unit, s; 147147256Sbrooks#if defined(__DragonFly__) || __FreeBSD_version < 500000 148103285Sikob u_char *eaddr; 149147256Sbrooks#else 150147256Sbrooks u_char eaddr[6]; 151147256Sbrooks#endif 152109814Ssimokawa struct fw_eui64 *eui; 153103285Sikob 154103285Sikob fwe = ((struct fwe_softc *)device_get_softc(dev)); 155103285Sikob unit = device_get_unit(dev); 156103285Sikob 157103285Sikob bzero(fwe, sizeof(struct fwe_softc)); 158170374Ssimokawa mtx_init(&fwe->mtx, "fwe", NULL, MTX_DEF); 159103285Sikob /* XXX */ 160103285Sikob fwe->stream_ch = stream_ch; 161103285Sikob fwe->dma_ch = -1; 162103285Sikob 163103285Sikob fwe->fd.fc = device_get_ivars(dev); 164124251Ssimokawa if (tx_speed < 0) 165124251Ssimokawa tx_speed = fwe->fd.fc->speed; 166124251Ssimokawa 167103285Sikob fwe->fd.dev = dev; 168103285Sikob fwe->fd.post_explore = NULL; 169103285Sikob fwe->eth_softc.fwe = fwe; 170103285Sikob 171103285Sikob fwe->pkt_hdr.mode.stream.tcode = FWTCODE_STREAM; 172103285Sikob fwe->pkt_hdr.mode.stream.sy = 0; 173103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 174103285Sikob 175103285Sikob /* generate fake MAC address: first and last 3bytes from eui64 */ 176103285Sikob#define LOCAL (0x02) 177103285Sikob#define GROUP (0x01) 178147256Sbrooks#if defined(__DragonFly__) || __FreeBSD_version < 500000 179147256Sbrooks eaddr = &IFP2ENADDR(fwe->eth_softc.ifp)[0]; 180147256Sbrooks#endif 181109814Ssimokawa 182147256Sbrooks 183109814Ssimokawa eui = &fwe->fd.fc->eui; 184109814Ssimokawa eaddr[0] = (FW_EUI64_BYTE(eui, 0) | LOCAL) & ~GROUP; 185109814Ssimokawa eaddr[1] = FW_EUI64_BYTE(eui, 1); 186109814Ssimokawa eaddr[2] = FW_EUI64_BYTE(eui, 2); 187109814Ssimokawa eaddr[3] = FW_EUI64_BYTE(eui, 5); 188109814Ssimokawa eaddr[4] = FW_EUI64_BYTE(eui, 6); 189109814Ssimokawa eaddr[5] = FW_EUI64_BYTE(eui, 7); 190107653Ssimokawa printf("if_fwe%d: Fake Ethernet address: " 191107653Ssimokawa "%02x:%02x:%02x:%02x:%02x:%02x\n", unit, 192103285Sikob eaddr[0], eaddr[1], eaddr[2], eaddr[3], eaddr[4], eaddr[5]); 193103285Sikob 194103285Sikob /* fill the rest and attach interface */ 195147256Sbrooks ifp = fwe->eth_softc.ifp = if_alloc(IFT_ETHER); 196147256Sbrooks if (ifp == NULL) { 197147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 198147256Sbrooks return (ENOSPC); 199147256Sbrooks } 200103285Sikob ifp->if_softc = &fwe->eth_softc; 201103285Sikob 202127468Ssimokawa#if __FreeBSD_version >= 501113 || defined(__DragonFly__) 203121953Ssimokawa if_initname(ifp, device_get_name(dev), unit); 204122212Ssimokawa#else 205122212Ssimokawa ifp->if_unit = unit; 206122212Ssimokawa ifp->if_name = "fwe"; 207122212Ssimokawa#endif 208103285Sikob ifp->if_init = fwe_init; 209132430Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 210132430Ssimokawa ifp->if_output = ether_output; 211132430Ssimokawa#endif 212103285Sikob ifp->if_start = fwe_start; 213103285Sikob ifp->if_ioctl = fwe_ioctl; 214170374Ssimokawa ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST); 215111942Ssimokawa ifp->if_snd.ifq_maxlen = TX_MAX_QUEUE; 216103285Sikob 217103285Sikob s = splimp(); 218127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 219127468Ssimokawa ether_ifattach(ifp, 1); 220127468Ssimokawa#else 221106937Ssam ether_ifattach(ifp, eaddr); 222108712Ssimokawa#endif 223103285Sikob splx(s); 224103285Sikob 225103285Sikob /* Tell the upper layer(s) we support long frames. */ 226103285Sikob ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); 227127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 228151229Sglebius ifp->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_POLLING; 229129552Syar ifp->if_capenable |= IFCAP_VLAN_MTU; 230108712Ssimokawa#endif 231103285Sikob 232103285Sikob 233122161Ssimokawa FWEDEBUG(ifp, "interface created\n"); 234103285Sikob return 0; 235103285Sikob} 236103285Sikob 237103285Sikobstatic void 238103285Sikobfwe_stop(struct fwe_softc *fwe) 239103285Sikob{ 240103285Sikob struct firewire_comm *fc; 241103285Sikob struct fw_xferq *xferq; 242147256Sbrooks struct ifnet *ifp = fwe->eth_softc.ifp; 243111942Ssimokawa struct fw_xfer *xfer, *next; 244111942Ssimokawa int i; 245103285Sikob 246103285Sikob fc = fwe->fd.fc; 247103285Sikob 248103285Sikob if (fwe->dma_ch >= 0) { 249103285Sikob xferq = fc->ir[fwe->dma_ch]; 250103285Sikob 251103285Sikob if (xferq->flag & FWXFERQ_RUNNING) 252103285Sikob fc->irx_disable(fc, fwe->dma_ch); 253103285Sikob xferq->flag &= 254113584Ssimokawa ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | FWXFERQ_STREAM | 255113584Ssimokawa FWXFERQ_EXTBUF | FWXFERQ_HANDLER | FWXFERQ_CHTAGMASK); 256111942Ssimokawa xferq->hand = NULL; 257111942Ssimokawa 258111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) 259111942Ssimokawa m_freem(xferq->bulkxfer[i].mbuf); 260111942Ssimokawa free(xferq->bulkxfer, M_FWE); 261111942Ssimokawa 262111942Ssimokawa for (xfer = STAILQ_FIRST(&fwe->xferlist); xfer != NULL; 263111942Ssimokawa xfer = next) { 264111942Ssimokawa next = STAILQ_NEXT(xfer, link); 265111942Ssimokawa fw_xfer_free(xfer); 266111942Ssimokawa } 267111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 268111942Ssimokawa 269111942Ssimokawa xferq->bulkxfer = NULL; 270103285Sikob fwe->dma_ch = -1; 271103285Sikob } 272103285Sikob 273148887Srwatson#if defined(__FreeBSD__) 274148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 275148887Srwatson#else 276103285Sikob ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 277148887Srwatson#endif 278103285Sikob} 279103285Sikob 280103285Sikobstatic int 281103285Sikobfwe_detach(device_t dev) 282103285Sikob{ 283103285Sikob struct fwe_softc *fwe; 284147256Sbrooks struct ifnet *ifp; 285103285Sikob int s; 286103285Sikob 287147256Sbrooks fwe = device_get_softc(dev); 288147256Sbrooks ifp = fwe->eth_softc.ifp; 289150789Sglebius 290150789Sglebius#ifdef DEVICE_POLLING 291150789Sglebius if (ifp->if_capenable & IFCAP_POLLING) 292150789Sglebius ether_poll_deregister(ifp); 293150789Sglebius#endif 294103285Sikob s = splimp(); 295103285Sikob 296103285Sikob fwe_stop(fwe); 297127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 298147256Sbrooks ether_ifdetach(ifp, 1); 299127468Ssimokawa#else 300147256Sbrooks ether_ifdetach(ifp); 301147256Sbrooks if_free(ifp); 302108712Ssimokawa#endif 303103285Sikob 304103285Sikob splx(s); 305170374Ssimokawa mtx_destroy(&fwe->mtx); 306103285Sikob return 0; 307103285Sikob} 308103285Sikob 309103285Sikobstatic void 310103285Sikobfwe_init(void *arg) 311103285Sikob{ 312103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 313103285Sikob struct firewire_comm *fc; 314147256Sbrooks struct ifnet *ifp = fwe->eth_softc.ifp; 315103285Sikob struct fw_xferq *xferq; 316111942Ssimokawa struct fw_xfer *xfer; 317113584Ssimokawa struct mbuf *m; 318103285Sikob int i; 319103285Sikob 320122161Ssimokawa FWEDEBUG(ifp, "initializing\n"); 321103285Sikob 322103285Sikob /* XXX keep promiscoud mode */ 323103285Sikob ifp->if_flags |= IFF_PROMISC; 324103285Sikob 325103285Sikob fc = fwe->fd.fc; 326103285Sikob if (fwe->dma_ch < 0) { 327170374Ssimokawa fwe->dma_ch = fw_open_isodma(fc, /* tx */0); 328170374Ssimokawa if (fwe->dma_ch < 0) 329170374Ssimokawa return; 330170374Ssimokawa xferq = fc->ir[fwe->dma_ch]; 331170374Ssimokawa xferq->flag |= FWXFERQ_EXTBUF | 332170374Ssimokawa FWXFERQ_HANDLER | FWXFERQ_STREAM; 333103285Sikob fwe->stream_ch = stream_ch; 334103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 335112400Ssimokawa xferq->flag &= ~0xff; 336103285Sikob xferq->flag |= fwe->stream_ch & 0xff; 337103285Sikob /* register fwe_input handler */ 338103285Sikob xferq->sc = (caddr_t) fwe; 339103285Sikob xferq->hand = fwe_as_input; 340122603Ssimokawa xferq->bnchunk = rx_queue_len; 341111942Ssimokawa xferq->bnpacket = 1; 342111942Ssimokawa xferq->psize = MCLBYTES; 343111942Ssimokawa xferq->queued = 0; 344113584Ssimokawa xferq->buf = NULL; 345111942Ssimokawa xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 346113584Ssimokawa sizeof(struct fw_bulkxfer) * xferq->bnchunk, 347113584Ssimokawa M_FWE, M_WAITOK); 348111942Ssimokawa if (xferq->bulkxfer == NULL) { 349111942Ssimokawa printf("if_fwe: malloc failed\n"); 350111942Ssimokawa return; 351111942Ssimokawa } 352111942Ssimokawa STAILQ_INIT(&xferq->stvalid); 353111942Ssimokawa STAILQ_INIT(&xferq->stfree); 354111942Ssimokawa STAILQ_INIT(&xferq->stdma); 355111942Ssimokawa xferq->stproc = NULL; 356111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) { 357243857Sglebius m = m_getcl(M_WAITOK, MT_DATA, M_PKTHDR); 358113584Ssimokawa xferq->bulkxfer[i].mbuf = m; 359177599Sru m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 360177599Sru STAILQ_INSERT_TAIL(&xferq->stfree, 361177599Sru &xferq->bulkxfer[i], link); 362111942Ssimokawa } 363111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 364111942Ssimokawa for (i = 0; i < TX_MAX_QUEUE; i++) { 365111942Ssimokawa xfer = fw_xfer_alloc(M_FWE); 366111942Ssimokawa if (xfer == NULL) 367111942Ssimokawa break; 368120660Ssimokawa xfer->send.spd = tx_speed; 369111942Ssimokawa xfer->fc = fwe->fd.fc; 370111942Ssimokawa xfer->sc = (caddr_t)fwe; 371167632Ssimokawa xfer->hand = fwe_output_callback; 372111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 373111942Ssimokawa } 374103285Sikob } else 375103285Sikob xferq = fc->ir[fwe->dma_ch]; 376103285Sikob 377103285Sikob 378103285Sikob /* start dma */ 379103285Sikob if ((xferq->flag & FWXFERQ_RUNNING) == 0) 380103285Sikob fc->irx_enable(fc, fwe->dma_ch); 381103285Sikob 382148887Srwatson#if defined(__FreeBSD__) 383148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 384148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 385148887Srwatson#else 386103285Sikob ifp->if_flags |= IFF_RUNNING; 387103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 388148887Srwatson#endif 389103285Sikob 390103285Sikob#if 0 391103285Sikob /* attempt to start output */ 392103285Sikob fwe_start(ifp); 393103285Sikob#endif 394103285Sikob} 395103285Sikob 396103285Sikob 397103285Sikobstatic int 398103285Sikobfwe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 399103285Sikob{ 400103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 401103285Sikob struct ifstat *ifs = NULL; 402260394Smelifaro int s, error; 403103285Sikob 404103285Sikob switch (cmd) { 405103285Sikob case SIOCSIFFLAGS: 406103285Sikob s = splimp(); 407103285Sikob if (ifp->if_flags & IFF_UP) { 408148887Srwatson#if defined(__FreeBSD__) 409148887Srwatson if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 410148887Srwatson#else 411103285Sikob if (!(ifp->if_flags & IFF_RUNNING)) 412148887Srwatson#endif 413103285Sikob fwe_init(&fwe->eth_softc); 414103285Sikob } else { 415148887Srwatson#if defined(__FreeBSD__) 416148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 417148887Srwatson#else 418103285Sikob if (ifp->if_flags & IFF_RUNNING) 419148887Srwatson#endif 420103285Sikob fwe_stop(fwe); 421103285Sikob } 422103285Sikob /* XXX keep promiscoud mode */ 423103285Sikob ifp->if_flags |= IFF_PROMISC; 424103285Sikob splx(s); 425103285Sikob break; 426103285Sikob case SIOCADDMULTI: 427103285Sikob case SIOCDELMULTI: 428108712Ssimokawa break; 429103285Sikob 430103285Sikob case SIOCGIFSTATUS: 431103285Sikob s = splimp(); 432103285Sikob ifs = (struct ifstat *)data; 433260394Smelifaro snprintf(ifs->ascii, sizeof(ifs->ascii), 434260394Smelifaro "\tch %d dma %d\n", fwe->stream_ch, fwe->dma_ch); 435103285Sikob splx(s); 436108712Ssimokawa break; 437150789Sglebius case SIOCSIFCAP: 438150789Sglebius#ifdef DEVICE_POLLING 439150789Sglebius { 440150789Sglebius struct ifreq *ifr = (struct ifreq *) data; 441188394Sfjoe struct firewire_comm *fc = fwe->fd.fc; 442150789Sglebius 443150789Sglebius if (ifr->ifr_reqcap & IFCAP_POLLING && 444150789Sglebius !(ifp->if_capenable & IFCAP_POLLING)) { 445150789Sglebius error = ether_poll_register(fwe_poll, ifp); 446150789Sglebius if (error) 447150789Sglebius return(error); 448150789Sglebius /* Disable interrupts */ 449150789Sglebius fc->set_intr(fc, 0); 450150789Sglebius ifp->if_capenable |= IFCAP_POLLING; 451193096Sattilio ifp->if_capenable |= IFCAP_POLLING_NOCOUNT; 452150789Sglebius return (error); 453150789Sglebius } 454150789Sglebius if (!(ifr->ifr_reqcap & IFCAP_POLLING) && 455150789Sglebius ifp->if_capenable & IFCAP_POLLING) { 456150789Sglebius error = ether_poll_deregister(ifp); 457150789Sglebius /* Enable interrupts. */ 458150789Sglebius fc->set_intr(fc, 1); 459150789Sglebius ifp->if_capenable &= ~IFCAP_POLLING; 460193096Sattilio ifp->if_capenable &= ~IFCAP_POLLING_NOCOUNT; 461150789Sglebius return (error); 462150789Sglebius } 463150789Sglebius } 464150789Sglebius#endif /* DEVICE_POLLING */ 465150789Sglebius break; 466127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 467103285Sikob default: 468108712Ssimokawa#else 469108712Ssimokawa case SIOCSIFADDR: 470108712Ssimokawa case SIOCGIFADDR: 471108712Ssimokawa case SIOCSIFMTU: 472108712Ssimokawa#endif 473106937Ssam s = splimp(); 474106937Ssam error = ether_ioctl(ifp, cmd, data); 475106937Ssam splx(s); 476106937Ssam return (error); 477127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 478108712Ssimokawa default: 479108712Ssimokawa return (EINVAL); 480108712Ssimokawa#endif 481103285Sikob } 482103285Sikob 483103285Sikob return (0); 484103285Sikob} 485103285Sikob 486103285Sikobstatic void 487111942Ssimokawafwe_output_callback(struct fw_xfer *xfer) 488111942Ssimokawa{ 489111942Ssimokawa struct fwe_softc *fwe; 490111942Ssimokawa struct ifnet *ifp; 491111942Ssimokawa int s; 492111942Ssimokawa 493111942Ssimokawa fwe = (struct fwe_softc *)xfer->sc; 494147256Sbrooks ifp = fwe->eth_softc.ifp; 495111942Ssimokawa /* XXX error check */ 496122161Ssimokawa FWEDEBUG(ifp, "resp = %d\n", xfer->resp); 497111942Ssimokawa if (xfer->resp != 0) 498111942Ssimokawa ifp->if_oerrors ++; 499111942Ssimokawa 500111942Ssimokawa m_freem(xfer->mbuf); 501111942Ssimokawa fw_xfer_unload(xfer); 502113584Ssimokawa 503111942Ssimokawa s = splimp(); 504170374Ssimokawa FWE_LOCK(fwe); 505111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 506170374Ssimokawa FWE_UNLOCK(fwe); 507111942Ssimokawa splx(s); 508113584Ssimokawa 509113584Ssimokawa /* for queue full */ 510111942Ssimokawa if (ifp->if_snd.ifq_head != NULL) 511111942Ssimokawa fwe_start(ifp); 512111942Ssimokawa} 513111942Ssimokawa 514111942Ssimokawastatic void 515103285Sikobfwe_start(struct ifnet *ifp) 516103285Sikob{ 517103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 518103285Sikob int s; 519103285Sikob 520122161Ssimokawa FWEDEBUG(ifp, "starting\n"); 521103285Sikob 522103285Sikob if (fwe->dma_ch < 0) { 523103285Sikob struct mbuf *m = NULL; 524103285Sikob 525122161Ssimokawa FWEDEBUG(ifp, "not ready\n"); 526103285Sikob 527103285Sikob s = splimp(); 528103285Sikob do { 529103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 530103285Sikob if (m != NULL) 531103285Sikob m_freem(m); 532103285Sikob ifp->if_oerrors ++; 533103285Sikob } while (m != NULL); 534103285Sikob splx(s); 535103285Sikob 536103285Sikob return; 537103285Sikob } 538103285Sikob 539103285Sikob s = splimp(); 540148887Srwatson#if defined(__FreeBSD__) 541148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 542148887Srwatson#else 543103285Sikob ifp->if_flags |= IFF_OACTIVE; 544148887Srwatson#endif 545103285Sikob 546103285Sikob if (ifp->if_snd.ifq_len != 0) 547103285Sikob fwe_as_output(fwe, ifp); 548103285Sikob 549148887Srwatson#if defined(__FreeBSD__) 550148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 551148887Srwatson#else 552103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 553148887Srwatson#endif 554103285Sikob splx(s); 555103285Sikob} 556103285Sikob 557111942Ssimokawa#define HDR_LEN 4 558111942Ssimokawa#ifndef ETHER_ALIGN 559111942Ssimokawa#define ETHER_ALIGN 2 560103285Sikob#endif 561103285Sikob/* Async. stream output */ 562103285Sikobstatic void 563103285Sikobfwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) 564103285Sikob{ 565103285Sikob struct mbuf *m; 566103285Sikob struct fw_xfer *xfer; 567103285Sikob struct fw_xferq *xferq; 568103285Sikob struct fw_pkt *fp; 569103285Sikob int i = 0; 570103285Sikob 571103285Sikob xfer = NULL; 572103285Sikob xferq = fwe->fd.fc->atq; 573170374Ssimokawa while ((xferq->queued < xferq->maxq - 1) && 574170374Ssimokawa (ifp->if_snd.ifq_head != NULL)) { 575170374Ssimokawa FWE_LOCK(fwe); 576111942Ssimokawa xfer = STAILQ_FIRST(&fwe->xferlist); 577111942Ssimokawa if (xfer == NULL) { 578170374Ssimokawa#if 0 579111942Ssimokawa printf("if_fwe: lack of xfer\n"); 580170374Ssimokawa#endif 581170374Ssimokawa FWE_UNLOCK(fwe); 582170374Ssimokawa break; 583111942Ssimokawa } 584170374Ssimokawa STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 585170374Ssimokawa FWE_UNLOCK(fwe); 586170374Ssimokawa 587103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 588170374Ssimokawa if (m == NULL) { 589170374Ssimokawa FWE_LOCK(fwe); 590170374Ssimokawa STAILQ_INSERT_HEAD(&fwe->xferlist, xfer, link); 591170374Ssimokawa FWE_UNLOCK(fwe); 592103285Sikob break; 593170374Ssimokawa } 594127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 595108712Ssimokawa if (ifp->if_bpf != NULL) 596108712Ssimokawa bpf_mtap(ifp, m); 597127468Ssimokawa#else 598127468Ssimokawa BPF_MTAP(ifp, m); 599108712Ssimokawa#endif 600103285Sikob 601103285Sikob /* keep ip packet alignment for alpha */ 602243857Sglebius M_PREPEND(m, ETHER_ALIGN, M_NOWAIT); 603120660Ssimokawa fp = &xfer->send.hdr; 604129585Sdfr *(uint32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 605113584Ssimokawa fp->mode.stream.len = m->m_pkthdr.len; 606103285Sikob xfer->mbuf = m; 607120660Ssimokawa xfer->send.pay_len = m->m_pkthdr.len; 608103285Sikob 609111942Ssimokawa if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 610103285Sikob /* error */ 611103285Sikob ifp->if_oerrors ++; 612103285Sikob /* XXX set error code */ 613103285Sikob fwe_output_callback(xfer); 614103285Sikob } else { 615103285Sikob ifp->if_opackets ++; 616111942Ssimokawa i++; 617103285Sikob } 618103285Sikob } 619103285Sikob#if 0 620103285Sikob if (i > 1) 621103285Sikob printf("%d queued\n", i); 622103285Sikob#endif 623111942Ssimokawa if (i > 0) 624111942Ssimokawa xferq->start(fwe->fd.fc); 625103285Sikob} 626103285Sikob 627103285Sikob/* Async. stream output */ 628103285Sikobstatic void 629103285Sikobfwe_as_input(struct fw_xferq *xferq) 630103285Sikob{ 631113584Ssimokawa struct mbuf *m, *m0; 632103285Sikob struct ifnet *ifp; 633103285Sikob struct fwe_softc *fwe; 634111942Ssimokawa struct fw_bulkxfer *sxfer; 635111942Ssimokawa struct fw_pkt *fp; 636103285Sikob u_char *c; 637127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 638111942Ssimokawa struct ether_header *eh; 639111942Ssimokawa#endif 640103285Sikob 641103285Sikob fwe = (struct fwe_softc *)xferq->sc; 642147256Sbrooks ifp = fwe->eth_softc.ifp; 643150789Sglebius 644170374Ssimokawa /* We do not need a lock here because the bottom half is serialized */ 645111942Ssimokawa while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 646111942Ssimokawa STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 647113584Ssimokawa fp = mtod(sxfer->mbuf, struct fw_pkt *); 648111942Ssimokawa if (fwe->fd.fc->irx_post != NULL) 649111942Ssimokawa fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 650111942Ssimokawa m = sxfer->mbuf; 651111942Ssimokawa 652119119Ssimokawa /* insert new rbuf */ 653243857Sglebius sxfer->mbuf = m0 = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 654113584Ssimokawa if (m0 != NULL) { 655113584Ssimokawa m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 656113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 657113584Ssimokawa } else 658170374Ssimokawa printf("%s: m_getcl failed\n", __FUNCTION__); 659111942Ssimokawa 660119119Ssimokawa if (sxfer->resp != 0 || fp->mode.stream.len < 661119119Ssimokawa ETHER_ALIGN + sizeof(struct ether_header)) { 662119119Ssimokawa m_freem(m); 663119119Ssimokawa ifp->if_ierrors ++; 664119119Ssimokawa continue; 665119119Ssimokawa } 666119119Ssimokawa 667111942Ssimokawa m->m_data += HDR_LEN + ETHER_ALIGN; 668170374Ssimokawa c = mtod(m, u_char *); 669127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 670111942Ssimokawa eh = (struct ether_header *)c; 671111942Ssimokawa m->m_data += sizeof(struct ether_header); 672132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN 673132429Ssimokawa - sizeof(struct ether_header); 674132429Ssimokawa#else 675132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN; 676108712Ssimokawa#endif 677103285Sikob m->m_pkthdr.rcvif = ifp; 678103285Sikob#if 0 679122161Ssimokawa FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n" 680103285Sikob "%02x %02x %02x %02x %02x %02x\n" 681103285Sikob "%02x %02x %02x %02x\n" 682103285Sikob "%02x %02x %02x %02x\n" 683103285Sikob "%02x %02x %02x %02x\n" 684103285Sikob "%02x %02x %02x %02x\n", 685103285Sikob c[0], c[1], c[2], c[3], c[4], c[5], 686103285Sikob c[6], c[7], c[8], c[9], c[10], c[11], 687103285Sikob c[12], c[13], c[14], c[15], 688103285Sikob c[16], c[17], c[18], c[19], 689103285Sikob c[20], c[21], c[22], c[23], 690103285Sikob c[20], c[21], c[22], c[23] 691103285Sikob ); 692103285Sikob#endif 693127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 694127468Ssimokawa ether_input(ifp, eh, m); 695127468Ssimokawa#else 696106937Ssam (*ifp->if_input)(ifp, m); 697108712Ssimokawa#endif 698103285Sikob ifp->if_ipackets ++; 699103285Sikob } 700111942Ssimokawa if (STAILQ_FIRST(&xferq->stfree) != NULL) 701111942Ssimokawa fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 702103285Sikob} 703103285Sikob 704103285Sikob 705103285Sikobstatic devclass_t fwe_devclass; 706103285Sikob 707103285Sikobstatic device_method_t fwe_methods[] = { 708103285Sikob /* device interface */ 709103285Sikob DEVMETHOD(device_identify, fwe_identify), 710103285Sikob DEVMETHOD(device_probe, fwe_probe), 711103285Sikob DEVMETHOD(device_attach, fwe_attach), 712103285Sikob DEVMETHOD(device_detach, fwe_detach), 713103285Sikob { 0, 0 } 714103285Sikob}; 715103285Sikob 716103285Sikobstatic driver_t fwe_driver = { 717121953Ssimokawa "fwe", 718103285Sikob fwe_methods, 719103285Sikob sizeof(struct fwe_softc), 720103285Sikob}; 721103285Sikob 722103285Sikob 723127468Ssimokawa#ifdef __DragonFly__ 724127468SsimokawaDECLARE_DUMMY_MODULE(fwe); 725127468Ssimokawa#endif 726113506SmdoddDRIVER_MODULE(fwe, firewire, fwe_driver, fwe_devclass, 0, 0); 727113506SmdoddMODULE_VERSION(fwe, 1); 728113506SmdoddMODULE_DEPEND(fwe, firewire, 1, 1, 1); 729