if_fwe.c revision 167632
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 167632 2007-03-16 05:39:33Z simokawa $ 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)); 160103285Sikob /* XXX */ 161103285Sikob fwe->stream_ch = stream_ch; 162103285Sikob fwe->dma_ch = -1; 163103285Sikob 164103285Sikob fwe->fd.fc = device_get_ivars(dev); 165124251Ssimokawa if (tx_speed < 0) 166124251Ssimokawa tx_speed = fwe->fd.fc->speed; 167124251Ssimokawa 168103285Sikob fwe->fd.dev = dev; 169103285Sikob fwe->fd.post_explore = NULL; 170103285Sikob fwe->eth_softc.fwe = fwe; 171103285Sikob 172103285Sikob fwe->pkt_hdr.mode.stream.tcode = FWTCODE_STREAM; 173103285Sikob fwe->pkt_hdr.mode.stream.sy = 0; 174103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 175103285Sikob 176103285Sikob /* generate fake MAC address: first and last 3bytes from eui64 */ 177103285Sikob#define LOCAL (0x02) 178103285Sikob#define GROUP (0x01) 179147256Sbrooks#if defined(__DragonFly__) || __FreeBSD_version < 500000 180147256Sbrooks eaddr = &IFP2ENADDR(fwe->eth_softc.ifp)[0]; 181147256Sbrooks#endif 182109814Ssimokawa 183147256Sbrooks 184109814Ssimokawa eui = &fwe->fd.fc->eui; 185109814Ssimokawa eaddr[0] = (FW_EUI64_BYTE(eui, 0) | LOCAL) & ~GROUP; 186109814Ssimokawa eaddr[1] = FW_EUI64_BYTE(eui, 1); 187109814Ssimokawa eaddr[2] = FW_EUI64_BYTE(eui, 2); 188109814Ssimokawa eaddr[3] = FW_EUI64_BYTE(eui, 5); 189109814Ssimokawa eaddr[4] = FW_EUI64_BYTE(eui, 6); 190109814Ssimokawa eaddr[5] = FW_EUI64_BYTE(eui, 7); 191107653Ssimokawa printf("if_fwe%d: Fake Ethernet address: " 192107653Ssimokawa "%02x:%02x:%02x:%02x:%02x:%02x\n", unit, 193103285Sikob eaddr[0], eaddr[1], eaddr[2], eaddr[3], eaddr[4], eaddr[5]); 194103285Sikob 195103285Sikob /* fill the rest and attach interface */ 196147256Sbrooks ifp = fwe->eth_softc.ifp = if_alloc(IFT_ETHER); 197147256Sbrooks if (ifp == NULL) { 198147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 199147256Sbrooks return (ENOSPC); 200147256Sbrooks } 201103285Sikob ifp->if_softc = &fwe->eth_softc; 202103285Sikob 203127468Ssimokawa#if __FreeBSD_version >= 501113 || defined(__DragonFly__) 204121953Ssimokawa if_initname(ifp, device_get_name(dev), unit); 205122212Ssimokawa#else 206122212Ssimokawa ifp->if_unit = unit; 207122212Ssimokawa ifp->if_name = "fwe"; 208122212Ssimokawa#endif 209103285Sikob ifp->if_init = fwe_init; 210132430Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 211132430Ssimokawa ifp->if_output = ether_output; 212132430Ssimokawa#endif 213103285Sikob ifp->if_start = fwe_start; 214103285Sikob ifp->if_ioctl = fwe_ioctl; 215103285Sikob ifp->if_mtu = ETHERMTU; 216133538Srwatson ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST| 217133538Srwatson IFF_NEEDSGIANT); 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); 308103285Sikob return 0; 309103285Sikob} 310103285Sikob 311103285Sikobstatic void 312103285Sikobfwe_init(void *arg) 313103285Sikob{ 314103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 315103285Sikob struct firewire_comm *fc; 316147256Sbrooks struct ifnet *ifp = fwe->eth_softc.ifp; 317103285Sikob struct fw_xferq *xferq; 318111942Ssimokawa struct fw_xfer *xfer; 319113584Ssimokawa struct mbuf *m; 320103285Sikob int i; 321103285Sikob 322122161Ssimokawa FWEDEBUG(ifp, "initializing\n"); 323103285Sikob 324103285Sikob /* XXX keep promiscoud mode */ 325103285Sikob ifp->if_flags |= IFF_PROMISC; 326103285Sikob 327103285Sikob fc = fwe->fd.fc; 328103285Sikob#define START 0 329103285Sikob if (fwe->dma_ch < 0) { 330103285Sikob for (i = START; i < fc->nisodma; i ++) { 331103285Sikob xferq = fc->ir[i]; 332103285Sikob if ((xferq->flag & FWXFERQ_OPEN) == 0) 333118312Ssimokawa goto found; 334103285Sikob } 335118312Ssimokawa printf("no free dma channel\n"); 336118312Ssimokawa return; 337118312Ssimokawafound: 338103285Sikob fwe->dma_ch = i; 339103285Sikob fwe->stream_ch = stream_ch; 340103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 341103285Sikob /* allocate DMA channel and init packet mode */ 342113584Ssimokawa xferq->flag |= FWXFERQ_OPEN | FWXFERQ_EXTBUF | 343113584Ssimokawa FWXFERQ_HANDLER | FWXFERQ_STREAM; 344112400Ssimokawa xferq->flag &= ~0xff; 345103285Sikob xferq->flag |= fwe->stream_ch & 0xff; 346103285Sikob /* register fwe_input handler */ 347103285Sikob xferq->sc = (caddr_t) fwe; 348103285Sikob xferq->hand = fwe_as_input; 349122603Ssimokawa xferq->bnchunk = rx_queue_len; 350111942Ssimokawa xferq->bnpacket = 1; 351111942Ssimokawa xferq->psize = MCLBYTES; 352111942Ssimokawa xferq->queued = 0; 353113584Ssimokawa xferq->buf = NULL; 354111942Ssimokawa xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 355113584Ssimokawa sizeof(struct fw_bulkxfer) * xferq->bnchunk, 356113584Ssimokawa M_FWE, M_WAITOK); 357111942Ssimokawa if (xferq->bulkxfer == NULL) { 358111942Ssimokawa printf("if_fwe: malloc failed\n"); 359111942Ssimokawa return; 360111942Ssimokawa } 361111942Ssimokawa STAILQ_INIT(&xferq->stvalid); 362111942Ssimokawa STAILQ_INIT(&xferq->stfree); 363111942Ssimokawa STAILQ_INIT(&xferq->stdma); 364111942Ssimokawa xferq->stproc = NULL; 365111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) { 366113584Ssimokawa m = 367127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 368127468Ssimokawa m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 369127468Ssimokawa#else 370111942Ssimokawa m_getcl(M_TRYWAIT, MT_DATA, M_PKTHDR); 371111942Ssimokawa#endif 372113584Ssimokawa xferq->bulkxfer[i].mbuf = m; 373113584Ssimokawa if (m != NULL) { 374113584Ssimokawa m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 375113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, 376113584Ssimokawa &xferq->bulkxfer[i], link); 377113584Ssimokawa } else 378113584Ssimokawa printf("fwe_as_input: m_getcl failed\n"); 379111942Ssimokawa } 380111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 381111942Ssimokawa for (i = 0; i < TX_MAX_QUEUE; i++) { 382111942Ssimokawa xfer = fw_xfer_alloc(M_FWE); 383111942Ssimokawa if (xfer == NULL) 384111942Ssimokawa break; 385120660Ssimokawa xfer->send.spd = tx_speed; 386111942Ssimokawa xfer->fc = fwe->fd.fc; 387111942Ssimokawa xfer->sc = (caddr_t)fwe; 388167632Ssimokawa xfer->hand = fwe_output_callback; 389111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 390111942Ssimokawa } 391103285Sikob } else 392103285Sikob xferq = fc->ir[fwe->dma_ch]; 393103285Sikob 394103285Sikob 395103285Sikob /* start dma */ 396103285Sikob if ((xferq->flag & FWXFERQ_RUNNING) == 0) 397103285Sikob fc->irx_enable(fc, fwe->dma_ch); 398103285Sikob 399148887Srwatson#if defined(__FreeBSD__) 400148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 401148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 402148887Srwatson#else 403103285Sikob ifp->if_flags |= IFF_RUNNING; 404103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 405148887Srwatson#endif 406103285Sikob 407103285Sikob#if 0 408103285Sikob /* attempt to start output */ 409103285Sikob fwe_start(ifp); 410103285Sikob#endif 411103285Sikob} 412103285Sikob 413103285Sikob 414103285Sikobstatic int 415103285Sikobfwe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 416103285Sikob{ 417103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 418103285Sikob struct ifstat *ifs = NULL; 419103285Sikob int s, error, len; 420103285Sikob 421103285Sikob switch (cmd) { 422103285Sikob case SIOCSIFFLAGS: 423103285Sikob s = splimp(); 424103285Sikob if (ifp->if_flags & IFF_UP) { 425148887Srwatson#if defined(__FreeBSD__) 426148887Srwatson if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 427148887Srwatson#else 428103285Sikob if (!(ifp->if_flags & IFF_RUNNING)) 429148887Srwatson#endif 430103285Sikob fwe_init(&fwe->eth_softc); 431103285Sikob } else { 432148887Srwatson#if defined(__FreeBSD__) 433148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 434148887Srwatson#else 435103285Sikob if (ifp->if_flags & IFF_RUNNING) 436148887Srwatson#endif 437103285Sikob fwe_stop(fwe); 438103285Sikob } 439103285Sikob /* XXX keep promiscoud mode */ 440103285Sikob ifp->if_flags |= IFF_PROMISC; 441103285Sikob splx(s); 442103285Sikob break; 443103285Sikob case SIOCADDMULTI: 444103285Sikob case SIOCDELMULTI: 445108712Ssimokawa break; 446103285Sikob 447103285Sikob case SIOCGIFSTATUS: 448103285Sikob s = splimp(); 449103285Sikob ifs = (struct ifstat *)data; 450103285Sikob len = strlen(ifs->ascii); 451103285Sikob if (len < sizeof(ifs->ascii)) 452103285Sikob snprintf(ifs->ascii + len, 453103285Sikob sizeof(ifs->ascii) - len, 454103285Sikob "\tch %d dma %d\n", 455103285Sikob fwe->stream_ch, fwe->dma_ch); 456103285Sikob splx(s); 457108712Ssimokawa break; 458150789Sglebius case SIOCSIFCAP: 459150789Sglebius#ifdef DEVICE_POLLING 460150789Sglebius { 461150789Sglebius struct ifreq *ifr = (struct ifreq *) data; 462150789Sglebius struct firewire_comm *fc = fc = fwe->fd.fc; 463150789Sglebius 464150789Sglebius if (ifr->ifr_reqcap & IFCAP_POLLING && 465150789Sglebius !(ifp->if_capenable & IFCAP_POLLING)) { 466150789Sglebius error = ether_poll_register(fwe_poll, ifp); 467150789Sglebius if (error) 468150789Sglebius return(error); 469150789Sglebius /* Disable interrupts */ 470150789Sglebius fc->set_intr(fc, 0); 471150789Sglebius ifp->if_capenable |= IFCAP_POLLING; 472150789Sglebius return (error); 473150789Sglebius } 474150789Sglebius if (!(ifr->ifr_reqcap & IFCAP_POLLING) && 475150789Sglebius ifp->if_capenable & IFCAP_POLLING) { 476150789Sglebius error = ether_poll_deregister(ifp); 477150789Sglebius /* Enable interrupts. */ 478150789Sglebius fc->set_intr(fc, 1); 479150789Sglebius ifp->if_capenable &= ~IFCAP_POLLING; 480150789Sglebius return (error); 481150789Sglebius } 482150789Sglebius } 483150789Sglebius#endif /* DEVICE_POLLING */ 484150789Sglebius break; 485127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 486103285Sikob default: 487108712Ssimokawa#else 488108712Ssimokawa case SIOCSIFADDR: 489108712Ssimokawa case SIOCGIFADDR: 490108712Ssimokawa case SIOCSIFMTU: 491108712Ssimokawa#endif 492106937Ssam s = splimp(); 493106937Ssam error = ether_ioctl(ifp, cmd, data); 494106937Ssam splx(s); 495106937Ssam return (error); 496127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 497108712Ssimokawa default: 498108712Ssimokawa return (EINVAL); 499108712Ssimokawa#endif 500103285Sikob } 501103285Sikob 502103285Sikob return (0); 503103285Sikob} 504103285Sikob 505103285Sikobstatic void 506111942Ssimokawafwe_output_callback(struct fw_xfer *xfer) 507111942Ssimokawa{ 508111942Ssimokawa struct fwe_softc *fwe; 509111942Ssimokawa struct ifnet *ifp; 510111942Ssimokawa int s; 511111942Ssimokawa 512111942Ssimokawa fwe = (struct fwe_softc *)xfer->sc; 513147256Sbrooks ifp = fwe->eth_softc.ifp; 514111942Ssimokawa /* XXX error check */ 515122161Ssimokawa FWEDEBUG(ifp, "resp = %d\n", xfer->resp); 516111942Ssimokawa if (xfer->resp != 0) 517111942Ssimokawa ifp->if_oerrors ++; 518111942Ssimokawa 519111942Ssimokawa m_freem(xfer->mbuf); 520111942Ssimokawa fw_xfer_unload(xfer); 521113584Ssimokawa 522111942Ssimokawa s = splimp(); 523111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 524111942Ssimokawa splx(s); 525113584Ssimokawa 526113584Ssimokawa /* for queue full */ 527111942Ssimokawa if (ifp->if_snd.ifq_head != NULL) 528111942Ssimokawa fwe_start(ifp); 529111942Ssimokawa} 530111942Ssimokawa 531111942Ssimokawastatic void 532103285Sikobfwe_start(struct ifnet *ifp) 533103285Sikob{ 534103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 535103285Sikob int s; 536103285Sikob 537133930Srwatson GIANT_REQUIRED; 538133930Srwatson 539122161Ssimokawa FWEDEBUG(ifp, "starting\n"); 540103285Sikob 541103285Sikob if (fwe->dma_ch < 0) { 542103285Sikob struct mbuf *m = NULL; 543103285Sikob 544122161Ssimokawa FWEDEBUG(ifp, "not ready\n"); 545103285Sikob 546103285Sikob s = splimp(); 547103285Sikob do { 548103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 549103285Sikob if (m != NULL) 550103285Sikob m_freem(m); 551103285Sikob ifp->if_oerrors ++; 552103285Sikob } while (m != NULL); 553103285Sikob splx(s); 554103285Sikob 555103285Sikob return; 556103285Sikob } 557103285Sikob 558103285Sikob s = splimp(); 559148887Srwatson#if defined(__FreeBSD__) 560148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 561148887Srwatson#else 562103285Sikob ifp->if_flags |= IFF_OACTIVE; 563148887Srwatson#endif 564103285Sikob 565103285Sikob if (ifp->if_snd.ifq_len != 0) 566103285Sikob fwe_as_output(fwe, ifp); 567103285Sikob 568148887Srwatson#if defined(__FreeBSD__) 569148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 570148887Srwatson#else 571103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 572148887Srwatson#endif 573103285Sikob splx(s); 574103285Sikob} 575103285Sikob 576111942Ssimokawa#define HDR_LEN 4 577111942Ssimokawa#ifndef ETHER_ALIGN 578111942Ssimokawa#define ETHER_ALIGN 2 579103285Sikob#endif 580103285Sikob/* Async. stream output */ 581103285Sikobstatic void 582103285Sikobfwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) 583103285Sikob{ 584103285Sikob struct mbuf *m; 585103285Sikob struct fw_xfer *xfer; 586103285Sikob struct fw_xferq *xferq; 587103285Sikob struct fw_pkt *fp; 588103285Sikob int i = 0; 589103285Sikob 590103285Sikob xfer = NULL; 591103285Sikob xferq = fwe->fd.fc->atq; 592111942Ssimokawa while (xferq->queued < xferq->maxq - 1) { 593111942Ssimokawa xfer = STAILQ_FIRST(&fwe->xferlist); 594111942Ssimokawa if (xfer == NULL) { 595111942Ssimokawa printf("if_fwe: lack of xfer\n"); 596111942Ssimokawa return; 597111942Ssimokawa } 598103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 599103285Sikob if (m == NULL) 600103285Sikob break; 601111942Ssimokawa STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 602127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 603108712Ssimokawa if (ifp->if_bpf != NULL) 604108712Ssimokawa bpf_mtap(ifp, m); 605127468Ssimokawa#else 606127468Ssimokawa BPF_MTAP(ifp, m); 607108712Ssimokawa#endif 608103285Sikob 609103285Sikob /* keep ip packet alignment for alpha */ 610111942Ssimokawa M_PREPEND(m, ETHER_ALIGN, M_DONTWAIT); 611120660Ssimokawa fp = &xfer->send.hdr; 612129585Sdfr *(uint32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 613113584Ssimokawa fp->mode.stream.len = m->m_pkthdr.len; 614103285Sikob xfer->mbuf = m; 615120660Ssimokawa xfer->send.pay_len = m->m_pkthdr.len; 616103285Sikob 617111942Ssimokawa if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 618103285Sikob /* error */ 619103285Sikob ifp->if_oerrors ++; 620103285Sikob /* XXX set error code */ 621103285Sikob fwe_output_callback(xfer); 622103285Sikob } else { 623103285Sikob ifp->if_opackets ++; 624111942Ssimokawa i++; 625103285Sikob } 626103285Sikob } 627103285Sikob#if 0 628103285Sikob if (i > 1) 629103285Sikob printf("%d queued\n", i); 630103285Sikob#endif 631111942Ssimokawa if (i > 0) 632111942Ssimokawa xferq->start(fwe->fd.fc); 633103285Sikob} 634103285Sikob 635103285Sikob/* Async. stream output */ 636103285Sikobstatic void 637103285Sikobfwe_as_input(struct fw_xferq *xferq) 638103285Sikob{ 639113584Ssimokawa struct mbuf *m, *m0; 640103285Sikob struct ifnet *ifp; 641103285Sikob struct fwe_softc *fwe; 642111942Ssimokawa struct fw_bulkxfer *sxfer; 643111942Ssimokawa struct fw_pkt *fp; 644103285Sikob u_char *c; 645127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 646111942Ssimokawa struct ether_header *eh; 647111942Ssimokawa#endif 648103285Sikob 649103285Sikob fwe = (struct fwe_softc *)xferq->sc; 650147256Sbrooks ifp = fwe->eth_softc.ifp; 651150789Sglebius 652111942Ssimokawa while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 653111942Ssimokawa STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 654113584Ssimokawa fp = mtod(sxfer->mbuf, struct fw_pkt *); 655111942Ssimokawa if (fwe->fd.fc->irx_post != NULL) 656111942Ssimokawa fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 657111942Ssimokawa m = sxfer->mbuf; 658111942Ssimokawa 659119119Ssimokawa /* insert new rbuf */ 660113584Ssimokawa sxfer->mbuf = m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 661113584Ssimokawa if (m0 != NULL) { 662113584Ssimokawa m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 663113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 664113584Ssimokawa } else 665113584Ssimokawa printf("fwe_as_input: m_getcl failed\n"); 666111942Ssimokawa 667119119Ssimokawa if (sxfer->resp != 0 || fp->mode.stream.len < 668119119Ssimokawa ETHER_ALIGN + sizeof(struct ether_header)) { 669119119Ssimokawa m_freem(m); 670119119Ssimokawa ifp->if_ierrors ++; 671119119Ssimokawa continue; 672119119Ssimokawa } 673119119Ssimokawa 674111942Ssimokawa m->m_data += HDR_LEN + ETHER_ALIGN; 675111942Ssimokawa c = mtod(m, char *); 676127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 677111942Ssimokawa eh = (struct ether_header *)c; 678111942Ssimokawa m->m_data += sizeof(struct ether_header); 679132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN 680132429Ssimokawa - sizeof(struct ether_header); 681132429Ssimokawa#else 682132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN; 683108712Ssimokawa#endif 684103285Sikob m->m_pkthdr.rcvif = ifp; 685103285Sikob#if 0 686122161Ssimokawa FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n" 687103285Sikob "%02x %02x %02x %02x %02x %02x\n" 688103285Sikob "%02x %02x %02x %02x\n" 689103285Sikob "%02x %02x %02x %02x\n" 690103285Sikob "%02x %02x %02x %02x\n" 691103285Sikob "%02x %02x %02x %02x\n", 692103285Sikob c[0], c[1], c[2], c[3], c[4], c[5], 693103285Sikob c[6], c[7], c[8], c[9], c[10], c[11], 694103285Sikob c[12], c[13], c[14], c[15], 695103285Sikob c[16], c[17], c[18], c[19], 696103285Sikob c[20], c[21], c[22], c[23], 697103285Sikob c[20], c[21], c[22], c[23] 698103285Sikob ); 699103285Sikob#endif 700127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 701127468Ssimokawa ether_input(ifp, eh, m); 702127468Ssimokawa#else 703106937Ssam (*ifp->if_input)(ifp, m); 704108712Ssimokawa#endif 705103285Sikob ifp->if_ipackets ++; 706103285Sikob } 707111942Ssimokawa if (STAILQ_FIRST(&xferq->stfree) != NULL) 708111942Ssimokawa fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 709103285Sikob} 710103285Sikob 711103285Sikob 712103285Sikobstatic devclass_t fwe_devclass; 713103285Sikob 714103285Sikobstatic device_method_t fwe_methods[] = { 715103285Sikob /* device interface */ 716103285Sikob DEVMETHOD(device_identify, fwe_identify), 717103285Sikob DEVMETHOD(device_probe, fwe_probe), 718103285Sikob DEVMETHOD(device_attach, fwe_attach), 719103285Sikob DEVMETHOD(device_detach, fwe_detach), 720103285Sikob { 0, 0 } 721103285Sikob}; 722103285Sikob 723103285Sikobstatic driver_t fwe_driver = { 724121953Ssimokawa "fwe", 725103285Sikob fwe_methods, 726103285Sikob sizeof(struct fwe_softc), 727103285Sikob}; 728103285Sikob 729103285Sikob 730127468Ssimokawa#ifdef __DragonFly__ 731127468SsimokawaDECLARE_DUMMY_MODULE(fwe); 732127468Ssimokawa#endif 733113506SmdoddDRIVER_MODULE(fwe, firewire, fwe_driver, fwe_devclass, 0, 0); 734113506SmdoddMODULE_VERSION(fwe, 1); 735113506SmdoddMODULE_DEPEND(fwe, firewire, 1, 1, 1); 736