if_fwe.c revision 150789
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 150789 2005-10-01 18:56:19Z glebius $ 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> 55147256Sbrooks#include <net/if_types.h> 56127468Ssimokawa#ifdef __DragonFly__ 57127468Ssimokawa#include <net/vlan/if_vlan_var.h> 58127468Ssimokawa#include <bus/firewire/firewire.h> 59127468Ssimokawa#include <bus/firewire/firewirereg.h> 60127468Ssimokawa#include "if_fwevar.h" 61127468Ssimokawa#else 62103285Sikob#include <net/if_vlan_var.h> 63103285Sikob 64103285Sikob#include <dev/firewire/firewire.h> 65103285Sikob#include <dev/firewire/firewirereg.h> 66103285Sikob#include <dev/firewire/if_fwevar.h> 67127468Ssimokawa#endif 68103285Sikob 69122161Ssimokawa#define FWEDEBUG if (fwedebug) if_printf 70111942Ssimokawa#define TX_MAX_QUEUE (FWMAXQUEUE - 1) 71103285Sikob 72103285Sikob/* network interface */ 73124169Ssimokawastatic void fwe_start (struct ifnet *); 74124169Ssimokawastatic int fwe_ioctl (struct ifnet *, u_long, caddr_t); 75124169Ssimokawastatic void fwe_init (void *); 76103285Sikob 77124169Ssimokawastatic void fwe_output_callback (struct fw_xfer *); 78124169Ssimokawastatic void fwe_as_output (struct fwe_softc *, struct ifnet *); 79124169Ssimokawastatic void fwe_as_input (struct fw_xferq *); 80103285Sikob 81103285Sikobstatic int fwedebug = 0; 82103285Sikobstatic int stream_ch = 1; 83116139Ssimokawastatic int tx_speed = 2; 84122603Ssimokawastatic int rx_queue_len = FWMAXQUEUE; 85103285Sikob 86108281SsimokawaMALLOC_DEFINE(M_FWE, "if_fwe", "Ethernet over FireWire interface"); 87103285SikobSYSCTL_INT(_debug, OID_AUTO, if_fwe_debug, CTLFLAG_RW, &fwedebug, 0, ""); 88103285SikobSYSCTL_DECL(_hw_firewire); 89103285SikobSYSCTL_NODE(_hw_firewire, OID_AUTO, fwe, CTLFLAG_RD, 0, 90122603Ssimokawa "Ethernet emulation subsystem"); 91103285SikobSYSCTL_INT(_hw_firewire_fwe, OID_AUTO, stream_ch, CTLFLAG_RW, &stream_ch, 0, 92103285Sikob "Stream channel to use"); 93116139SsimokawaSYSCTL_INT(_hw_firewire_fwe, OID_AUTO, tx_speed, CTLFLAG_RW, &tx_speed, 0, 94122603Ssimokawa "Transmission speed"); 95122603SsimokawaSYSCTL_INT(_hw_firewire_fwe, OID_AUTO, rx_queue_len, CTLFLAG_RW, &rx_queue_len, 96122603Ssimokawa 0, "Length of the receive queue"); 97103285Sikob 98122603SsimokawaTUNABLE_INT("hw.firewire.fwe.stream_ch", &stream_ch); 99122603SsimokawaTUNABLE_INT("hw.firewire.fwe.tx_speed", &tx_speed); 100122603SsimokawaTUNABLE_INT("hw.firewire.fwe.rx_queue_len", &rx_queue_len); 101122603Ssimokawa 102103285Sikob#ifdef DEVICE_POLLING 103103285Sikobstatic poll_handler_t fwe_poll; 104103285Sikob 105103285Sikobstatic void 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)) 112150789Sglebius return; 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); 117103285Sikob} 118150789Sglebius#endif /* DEVICE_POLLING */ 119150789Sglebius 120103285Sikobstatic void 121103285Sikobfwe_identify(driver_t *driver, device_t parent) 122103285Sikob{ 123121953Ssimokawa BUS_ADD_CHILD(parent, 0, "fwe", device_get_unit(parent)); 124103285Sikob} 125103285Sikob 126103285Sikobstatic int 127103285Sikobfwe_probe(device_t dev) 128103285Sikob{ 129103285Sikob device_t pa; 130103285Sikob 131103285Sikob pa = device_get_parent(dev); 132103285Sikob if(device_get_unit(dev) != device_get_unit(pa)){ 133103285Sikob return(ENXIO); 134103285Sikob } 135103285Sikob 136108281Ssimokawa device_set_desc(dev, "Ethernet over FireWire"); 137103285Sikob return (0); 138103285Sikob} 139103285Sikob 140103285Sikobstatic int 141103285Sikobfwe_attach(device_t dev) 142103285Sikob{ 143103285Sikob struct fwe_softc *fwe; 144103285Sikob struct ifnet *ifp; 145103285Sikob int unit, s; 146147256Sbrooks#if defined(__DragonFly__) || __FreeBSD_version < 500000 147103285Sikob u_char *eaddr; 148147256Sbrooks#else 149147256Sbrooks u_char eaddr[6]; 150147256Sbrooks#endif 151109814Ssimokawa struct fw_eui64 *eui; 152103285Sikob 153103285Sikob fwe = ((struct fwe_softc *)device_get_softc(dev)); 154103285Sikob unit = device_get_unit(dev); 155103285Sikob 156103285Sikob bzero(fwe, sizeof(struct fwe_softc)); 157103285Sikob /* XXX */ 158103285Sikob fwe->stream_ch = stream_ch; 159103285Sikob fwe->dma_ch = -1; 160103285Sikob 161103285Sikob fwe->fd.fc = device_get_ivars(dev); 162124251Ssimokawa if (tx_speed < 0) 163124251Ssimokawa tx_speed = fwe->fd.fc->speed; 164124251Ssimokawa 165103285Sikob fwe->fd.dev = dev; 166103285Sikob fwe->fd.post_explore = NULL; 167103285Sikob fwe->eth_softc.fwe = fwe; 168103285Sikob 169103285Sikob fwe->pkt_hdr.mode.stream.tcode = FWTCODE_STREAM; 170103285Sikob fwe->pkt_hdr.mode.stream.sy = 0; 171103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 172103285Sikob 173103285Sikob /* generate fake MAC address: first and last 3bytes from eui64 */ 174103285Sikob#define LOCAL (0x02) 175103285Sikob#define GROUP (0x01) 176147256Sbrooks#if defined(__DragonFly__) || __FreeBSD_version < 500000 177147256Sbrooks eaddr = &IFP2ENADDR(fwe->eth_softc.ifp)[0]; 178147256Sbrooks#endif 179109814Ssimokawa 180147256Sbrooks 181109814Ssimokawa eui = &fwe->fd.fc->eui; 182109814Ssimokawa eaddr[0] = (FW_EUI64_BYTE(eui, 0) | LOCAL) & ~GROUP; 183109814Ssimokawa eaddr[1] = FW_EUI64_BYTE(eui, 1); 184109814Ssimokawa eaddr[2] = FW_EUI64_BYTE(eui, 2); 185109814Ssimokawa eaddr[3] = FW_EUI64_BYTE(eui, 5); 186109814Ssimokawa eaddr[4] = FW_EUI64_BYTE(eui, 6); 187109814Ssimokawa eaddr[5] = FW_EUI64_BYTE(eui, 7); 188107653Ssimokawa printf("if_fwe%d: Fake Ethernet address: " 189107653Ssimokawa "%02x:%02x:%02x:%02x:%02x:%02x\n", unit, 190103285Sikob eaddr[0], eaddr[1], eaddr[2], eaddr[3], eaddr[4], eaddr[5]); 191103285Sikob 192103285Sikob /* fill the rest and attach interface */ 193147256Sbrooks ifp = fwe->eth_softc.ifp = if_alloc(IFT_ETHER); 194147256Sbrooks if (ifp == NULL) { 195147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 196147256Sbrooks return (ENOSPC); 197147256Sbrooks } 198103285Sikob ifp->if_softc = &fwe->eth_softc; 199103285Sikob 200127468Ssimokawa#if __FreeBSD_version >= 501113 || defined(__DragonFly__) 201121953Ssimokawa if_initname(ifp, device_get_name(dev), unit); 202122212Ssimokawa#else 203122212Ssimokawa ifp->if_unit = unit; 204122212Ssimokawa ifp->if_name = "fwe"; 205122212Ssimokawa#endif 206103285Sikob ifp->if_init = fwe_init; 207132430Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 208132430Ssimokawa ifp->if_output = ether_output; 209132430Ssimokawa#endif 210103285Sikob ifp->if_start = fwe_start; 211103285Sikob ifp->if_ioctl = fwe_ioctl; 212103285Sikob ifp->if_mtu = ETHERMTU; 213133538Srwatson ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST| 214133538Srwatson IFF_NEEDSGIANT); 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 228150789Sglebius 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); 305103285Sikob return 0; 306103285Sikob} 307103285Sikob 308103285Sikobstatic void 309103285Sikobfwe_init(void *arg) 310103285Sikob{ 311103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 312103285Sikob struct firewire_comm *fc; 313147256Sbrooks struct ifnet *ifp = fwe->eth_softc.ifp; 314103285Sikob struct fw_xferq *xferq; 315111942Ssimokawa struct fw_xfer *xfer; 316113584Ssimokawa struct mbuf *m; 317103285Sikob int i; 318103285Sikob 319122161Ssimokawa FWEDEBUG(ifp, "initializing\n"); 320103285Sikob 321103285Sikob /* XXX keep promiscoud mode */ 322103285Sikob ifp->if_flags |= IFF_PROMISC; 323103285Sikob 324103285Sikob fc = fwe->fd.fc; 325103285Sikob#define START 0 326103285Sikob if (fwe->dma_ch < 0) { 327103285Sikob for (i = START; i < fc->nisodma; i ++) { 328103285Sikob xferq = fc->ir[i]; 329103285Sikob if ((xferq->flag & FWXFERQ_OPEN) == 0) 330118312Ssimokawa goto found; 331103285Sikob } 332118312Ssimokawa printf("no free dma channel\n"); 333118312Ssimokawa return; 334118312Ssimokawafound: 335103285Sikob fwe->dma_ch = i; 336103285Sikob fwe->stream_ch = stream_ch; 337103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 338103285Sikob /* allocate DMA channel and init packet mode */ 339113584Ssimokawa xferq->flag |= FWXFERQ_OPEN | FWXFERQ_EXTBUF | 340113584Ssimokawa FWXFERQ_HANDLER | FWXFERQ_STREAM; 341112400Ssimokawa xferq->flag &= ~0xff; 342103285Sikob xferq->flag |= fwe->stream_ch & 0xff; 343103285Sikob /* register fwe_input handler */ 344103285Sikob xferq->sc = (caddr_t) fwe; 345103285Sikob xferq->hand = fwe_as_input; 346122603Ssimokawa xferq->bnchunk = rx_queue_len; 347111942Ssimokawa xferq->bnpacket = 1; 348111942Ssimokawa xferq->psize = MCLBYTES; 349111942Ssimokawa xferq->queued = 0; 350113584Ssimokawa xferq->buf = NULL; 351111942Ssimokawa xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 352113584Ssimokawa sizeof(struct fw_bulkxfer) * xferq->bnchunk, 353113584Ssimokawa M_FWE, M_WAITOK); 354111942Ssimokawa if (xferq->bulkxfer == NULL) { 355111942Ssimokawa printf("if_fwe: malloc failed\n"); 356111942Ssimokawa return; 357111942Ssimokawa } 358111942Ssimokawa STAILQ_INIT(&xferq->stvalid); 359111942Ssimokawa STAILQ_INIT(&xferq->stfree); 360111942Ssimokawa STAILQ_INIT(&xferq->stdma); 361111942Ssimokawa xferq->stproc = NULL; 362111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) { 363113584Ssimokawa m = 364127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 365127468Ssimokawa m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 366127468Ssimokawa#else 367111942Ssimokawa m_getcl(M_TRYWAIT, MT_DATA, M_PKTHDR); 368111942Ssimokawa#endif 369113584Ssimokawa xferq->bulkxfer[i].mbuf = m; 370113584Ssimokawa if (m != NULL) { 371113584Ssimokawa m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 372113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, 373113584Ssimokawa &xferq->bulkxfer[i], link); 374113584Ssimokawa } else 375113584Ssimokawa printf("fwe_as_input: m_getcl failed\n"); 376111942Ssimokawa } 377111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 378111942Ssimokawa for (i = 0; i < TX_MAX_QUEUE; i++) { 379111942Ssimokawa xfer = fw_xfer_alloc(M_FWE); 380111942Ssimokawa if (xfer == NULL) 381111942Ssimokawa break; 382120660Ssimokawa xfer->send.spd = tx_speed; 383111942Ssimokawa xfer->fc = fwe->fd.fc; 384111942Ssimokawa xfer->retry_req = fw_asybusy; 385111942Ssimokawa xfer->sc = (caddr_t)fwe; 386111942Ssimokawa xfer->act.hand = fwe_output_callback; 387111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 388111942Ssimokawa } 389103285Sikob } else 390103285Sikob xferq = fc->ir[fwe->dma_ch]; 391103285Sikob 392103285Sikob 393103285Sikob /* start dma */ 394103285Sikob if ((xferq->flag & FWXFERQ_RUNNING) == 0) 395103285Sikob fc->irx_enable(fc, fwe->dma_ch); 396103285Sikob 397148887Srwatson#if defined(__FreeBSD__) 398148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 399148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 400148887Srwatson#else 401103285Sikob ifp->if_flags |= IFF_RUNNING; 402103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 403148887Srwatson#endif 404103285Sikob 405103285Sikob#if 0 406103285Sikob /* attempt to start output */ 407103285Sikob fwe_start(ifp); 408103285Sikob#endif 409103285Sikob} 410103285Sikob 411103285Sikob 412103285Sikobstatic int 413103285Sikobfwe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 414103285Sikob{ 415103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 416103285Sikob struct ifstat *ifs = NULL; 417103285Sikob int s, error, len; 418103285Sikob 419103285Sikob switch (cmd) { 420103285Sikob case SIOCSIFFLAGS: 421103285Sikob s = splimp(); 422103285Sikob if (ifp->if_flags & IFF_UP) { 423148887Srwatson#if defined(__FreeBSD__) 424148887Srwatson if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 425148887Srwatson#else 426103285Sikob if (!(ifp->if_flags & IFF_RUNNING)) 427148887Srwatson#endif 428103285Sikob fwe_init(&fwe->eth_softc); 429103285Sikob } else { 430148887Srwatson#if defined(__FreeBSD__) 431148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 432148887Srwatson#else 433103285Sikob if (ifp->if_flags & IFF_RUNNING) 434148887Srwatson#endif 435103285Sikob fwe_stop(fwe); 436103285Sikob } 437103285Sikob /* XXX keep promiscoud mode */ 438103285Sikob ifp->if_flags |= IFF_PROMISC; 439103285Sikob splx(s); 440103285Sikob break; 441103285Sikob case SIOCADDMULTI: 442103285Sikob case SIOCDELMULTI: 443108712Ssimokawa break; 444103285Sikob 445103285Sikob case SIOCGIFSTATUS: 446103285Sikob s = splimp(); 447103285Sikob ifs = (struct ifstat *)data; 448103285Sikob len = strlen(ifs->ascii); 449103285Sikob if (len < sizeof(ifs->ascii)) 450103285Sikob snprintf(ifs->ascii + len, 451103285Sikob sizeof(ifs->ascii) - len, 452103285Sikob "\tch %d dma %d\n", 453103285Sikob fwe->stream_ch, fwe->dma_ch); 454103285Sikob splx(s); 455108712Ssimokawa break; 456150789Sglebius case SIOCSIFCAP: 457150789Sglebius#ifdef DEVICE_POLLING 458150789Sglebius { 459150789Sglebius struct ifreq *ifr = (struct ifreq *) data; 460150789Sglebius struct firewire_comm *fc = fc = fwe->fd.fc; 461150789Sglebius 462150789Sglebius if (ifr->ifr_reqcap & IFCAP_POLLING && 463150789Sglebius !(ifp->if_capenable & IFCAP_POLLING)) { 464150789Sglebius error = ether_poll_register(fwe_poll, ifp); 465150789Sglebius if (error) 466150789Sglebius return(error); 467150789Sglebius /* Disable interrupts */ 468150789Sglebius fc->set_intr(fc, 0); 469150789Sglebius ifp->if_capenable |= IFCAP_POLLING; 470150789Sglebius return (error); 471150789Sglebius 472150789Sglebius } 473150789Sglebius if (!(ifr->ifr_reqcap & IFCAP_POLLING) && 474150789Sglebius ifp->if_capenable & IFCAP_POLLING) { 475150789Sglebius error = ether_poll_deregister(ifp); 476150789Sglebius /* Enable interrupts. */ 477150789Sglebius fc->set_intr(fc, 1); 478150789Sglebius ifp->if_capenable &= ~IFCAP_POLLING; 479150789Sglebius return (error); 480150789Sglebius } 481150789Sglebius } 482150789Sglebius#endif /* DEVICE_POLLING */ 483150789Sglebius break; 484127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 485103285Sikob default: 486108712Ssimokawa#else 487108712Ssimokawa case SIOCSIFADDR: 488108712Ssimokawa case SIOCGIFADDR: 489108712Ssimokawa case SIOCSIFMTU: 490108712Ssimokawa#endif 491106937Ssam s = splimp(); 492106937Ssam error = ether_ioctl(ifp, cmd, data); 493106937Ssam splx(s); 494106937Ssam return (error); 495127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 496108712Ssimokawa default: 497108712Ssimokawa return (EINVAL); 498108712Ssimokawa#endif 499103285Sikob } 500103285Sikob 501103285Sikob return (0); 502103285Sikob} 503103285Sikob 504103285Sikobstatic void 505111942Ssimokawafwe_output_callback(struct fw_xfer *xfer) 506111942Ssimokawa{ 507111942Ssimokawa struct fwe_softc *fwe; 508111942Ssimokawa struct ifnet *ifp; 509111942Ssimokawa int s; 510111942Ssimokawa 511111942Ssimokawa fwe = (struct fwe_softc *)xfer->sc; 512147256Sbrooks ifp = fwe->eth_softc.ifp; 513111942Ssimokawa /* XXX error check */ 514122161Ssimokawa FWEDEBUG(ifp, "resp = %d\n", xfer->resp); 515111942Ssimokawa if (xfer->resp != 0) 516111942Ssimokawa ifp->if_oerrors ++; 517111942Ssimokawa 518111942Ssimokawa m_freem(xfer->mbuf); 519111942Ssimokawa fw_xfer_unload(xfer); 520113584Ssimokawa 521111942Ssimokawa s = splimp(); 522111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 523111942Ssimokawa splx(s); 524113584Ssimokawa 525113584Ssimokawa /* for queue full */ 526111942Ssimokawa if (ifp->if_snd.ifq_head != NULL) 527111942Ssimokawa fwe_start(ifp); 528111942Ssimokawa} 529111942Ssimokawa 530111942Ssimokawastatic void 531103285Sikobfwe_start(struct ifnet *ifp) 532103285Sikob{ 533103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 534103285Sikob int s; 535103285Sikob 536133930Srwatson GIANT_REQUIRED; 537133930Srwatson 538122161Ssimokawa FWEDEBUG(ifp, "starting\n"); 539103285Sikob 540103285Sikob if (fwe->dma_ch < 0) { 541103285Sikob struct mbuf *m = NULL; 542103285Sikob 543122161Ssimokawa FWEDEBUG(ifp, "not ready\n"); 544103285Sikob 545103285Sikob s = splimp(); 546103285Sikob do { 547103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 548103285Sikob if (m != NULL) 549103285Sikob m_freem(m); 550103285Sikob ifp->if_oerrors ++; 551103285Sikob } while (m != NULL); 552103285Sikob splx(s); 553103285Sikob 554103285Sikob return; 555103285Sikob } 556103285Sikob 557103285Sikob s = splimp(); 558148887Srwatson#if defined(__FreeBSD__) 559148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 560148887Srwatson#else 561103285Sikob ifp->if_flags |= IFF_OACTIVE; 562148887Srwatson#endif 563103285Sikob 564103285Sikob if (ifp->if_snd.ifq_len != 0) 565103285Sikob fwe_as_output(fwe, ifp); 566103285Sikob 567148887Srwatson#if defined(__FreeBSD__) 568148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 569148887Srwatson#else 570103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 571148887Srwatson#endif 572103285Sikob splx(s); 573103285Sikob} 574103285Sikob 575111942Ssimokawa#define HDR_LEN 4 576111942Ssimokawa#ifndef ETHER_ALIGN 577111942Ssimokawa#define ETHER_ALIGN 2 578103285Sikob#endif 579103285Sikob/* Async. stream output */ 580103285Sikobstatic void 581103285Sikobfwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) 582103285Sikob{ 583103285Sikob struct mbuf *m; 584103285Sikob struct fw_xfer *xfer; 585103285Sikob struct fw_xferq *xferq; 586103285Sikob struct fw_pkt *fp; 587103285Sikob int i = 0; 588103285Sikob 589103285Sikob xfer = NULL; 590103285Sikob xferq = fwe->fd.fc->atq; 591111942Ssimokawa while (xferq->queued < xferq->maxq - 1) { 592111942Ssimokawa xfer = STAILQ_FIRST(&fwe->xferlist); 593111942Ssimokawa if (xfer == NULL) { 594111942Ssimokawa printf("if_fwe: lack of xfer\n"); 595111942Ssimokawa return; 596111942Ssimokawa } 597103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 598103285Sikob if (m == NULL) 599103285Sikob break; 600111942Ssimokawa STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 601127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 602108712Ssimokawa if (ifp->if_bpf != NULL) 603108712Ssimokawa bpf_mtap(ifp, m); 604127468Ssimokawa#else 605127468Ssimokawa BPF_MTAP(ifp, m); 606108712Ssimokawa#endif 607103285Sikob 608103285Sikob /* keep ip packet alignment for alpha */ 609111942Ssimokawa M_PREPEND(m, ETHER_ALIGN, M_DONTWAIT); 610120660Ssimokawa fp = &xfer->send.hdr; 611129585Sdfr *(uint32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 612113584Ssimokawa fp->mode.stream.len = m->m_pkthdr.len; 613103285Sikob xfer->mbuf = m; 614120660Ssimokawa xfer->send.pay_len = m->m_pkthdr.len; 615103285Sikob 616111942Ssimokawa if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 617103285Sikob /* error */ 618103285Sikob ifp->if_oerrors ++; 619103285Sikob /* XXX set error code */ 620103285Sikob fwe_output_callback(xfer); 621103285Sikob } else { 622103285Sikob ifp->if_opackets ++; 623111942Ssimokawa i++; 624103285Sikob } 625103285Sikob } 626103285Sikob#if 0 627103285Sikob if (i > 1) 628103285Sikob printf("%d queued\n", i); 629103285Sikob#endif 630111942Ssimokawa if (i > 0) 631111942Ssimokawa xferq->start(fwe->fd.fc); 632103285Sikob} 633103285Sikob 634103285Sikob/* Async. stream output */ 635103285Sikobstatic void 636103285Sikobfwe_as_input(struct fw_xferq *xferq) 637103285Sikob{ 638113584Ssimokawa struct mbuf *m, *m0; 639103285Sikob struct ifnet *ifp; 640103285Sikob struct fwe_softc *fwe; 641111942Ssimokawa struct fw_bulkxfer *sxfer; 642111942Ssimokawa struct fw_pkt *fp; 643103285Sikob u_char *c; 644127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 645111942Ssimokawa struct ether_header *eh; 646111942Ssimokawa#endif 647103285Sikob 648103285Sikob fwe = (struct fwe_softc *)xferq->sc; 649147256Sbrooks ifp = fwe->eth_softc.ifp; 650150789Sglebius 651111942Ssimokawa while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 652111942Ssimokawa STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 653113584Ssimokawa fp = mtod(sxfer->mbuf, struct fw_pkt *); 654111942Ssimokawa if (fwe->fd.fc->irx_post != NULL) 655111942Ssimokawa fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 656111942Ssimokawa m = sxfer->mbuf; 657111942Ssimokawa 658119119Ssimokawa /* insert new rbuf */ 659113584Ssimokawa sxfer->mbuf = m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 660113584Ssimokawa if (m0 != NULL) { 661113584Ssimokawa m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 662113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 663113584Ssimokawa } else 664113584Ssimokawa printf("fwe_as_input: m_getcl failed\n"); 665111942Ssimokawa 666119119Ssimokawa if (sxfer->resp != 0 || fp->mode.stream.len < 667119119Ssimokawa ETHER_ALIGN + sizeof(struct ether_header)) { 668119119Ssimokawa m_freem(m); 669119119Ssimokawa ifp->if_ierrors ++; 670119119Ssimokawa continue; 671119119Ssimokawa } 672119119Ssimokawa 673111942Ssimokawa m->m_data += HDR_LEN + ETHER_ALIGN; 674111942Ssimokawa c = mtod(m, char *); 675127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 676111942Ssimokawa eh = (struct ether_header *)c; 677111942Ssimokawa m->m_data += sizeof(struct ether_header); 678132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN 679132429Ssimokawa - sizeof(struct ether_header); 680132429Ssimokawa#else 681132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN; 682108712Ssimokawa#endif 683103285Sikob m->m_pkthdr.rcvif = ifp; 684103285Sikob#if 0 685122161Ssimokawa FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n" 686103285Sikob "%02x %02x %02x %02x %02x %02x\n" 687103285Sikob "%02x %02x %02x %02x\n" 688103285Sikob "%02x %02x %02x %02x\n" 689103285Sikob "%02x %02x %02x %02x\n" 690103285Sikob "%02x %02x %02x %02x\n", 691103285Sikob c[0], c[1], c[2], c[3], c[4], c[5], 692103285Sikob c[6], c[7], c[8], c[9], c[10], c[11], 693103285Sikob c[12], c[13], c[14], c[15], 694103285Sikob c[16], c[17], c[18], c[19], 695103285Sikob c[20], c[21], c[22], c[23], 696103285Sikob c[20], c[21], c[22], c[23] 697103285Sikob ); 698103285Sikob#endif 699127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 700127468Ssimokawa ether_input(ifp, eh, m); 701127468Ssimokawa#else 702106937Ssam (*ifp->if_input)(ifp, m); 703108712Ssimokawa#endif 704103285Sikob ifp->if_ipackets ++; 705103285Sikob } 706111942Ssimokawa if (STAILQ_FIRST(&xferq->stfree) != NULL) 707111942Ssimokawa fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 708103285Sikob} 709103285Sikob 710103285Sikob 711103285Sikobstatic devclass_t fwe_devclass; 712103285Sikob 713103285Sikobstatic device_method_t fwe_methods[] = { 714103285Sikob /* device interface */ 715103285Sikob DEVMETHOD(device_identify, fwe_identify), 716103285Sikob DEVMETHOD(device_probe, fwe_probe), 717103285Sikob DEVMETHOD(device_attach, fwe_attach), 718103285Sikob DEVMETHOD(device_detach, fwe_detach), 719103285Sikob { 0, 0 } 720103285Sikob}; 721103285Sikob 722103285Sikobstatic driver_t fwe_driver = { 723121953Ssimokawa "fwe", 724103285Sikob fwe_methods, 725103285Sikob sizeof(struct fwe_softc), 726103285Sikob}; 727103285Sikob 728103285Sikob 729127468Ssimokawa#ifdef __DragonFly__ 730127468SsimokawaDECLARE_DUMMY_MODULE(fwe); 731127468Ssimokawa#endif 732113506SmdoddDRIVER_MODULE(fwe, firewire, fwe_driver, fwe_devclass, 0, 0); 733113506SmdoddMODULE_VERSION(fwe, 1); 734113506SmdoddMODULE_DEPEND(fwe, firewire, 1, 1, 1); 735