if_fwe.c revision 148887
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 148887 2005-08-09 10:20:02Z rwatson $ 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 103103285Sikob#define FWE_POLL_REGISTER(func, fwe, ifp) \ 104103285Sikob if (ether_poll_register(func, ifp)) { \ 105103285Sikob struct firewire_comm *fc = (fwe)->fd.fc; \ 106103285Sikob fc->set_intr(fc, 0); \ 107103285Sikob } 108103285Sikob 109103285Sikob#define FWE_POLL_DEREGISTER(fwe, ifp) \ 110103285Sikob do { \ 111103285Sikob struct firewire_comm *fc = (fwe)->fd.fc; \ 112103285Sikob ether_poll_deregister(ifp); \ 113103285Sikob fc->set_intr(fc, 1); \ 114103285Sikob } while(0) \ 115103285Sikob 116103285Sikobstatic poll_handler_t fwe_poll; 117103285Sikob 118103285Sikobstatic void 119103285Sikobfwe_poll(struct ifnet *ifp, enum poll_cmd cmd, int count) 120103285Sikob{ 121103285Sikob struct fwe_softc *fwe; 122103285Sikob struct firewire_comm *fc; 123103285Sikob 124103285Sikob fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 125103285Sikob fc = fwe->fd.fc; 126103285Sikob if (cmd == POLL_DEREGISTER) { 127103285Sikob /* enable interrupts */ 128103285Sikob fc->set_intr(fc, 1); 129103285Sikob return; 130103285Sikob } 131103285Sikob fc->poll(fc, (cmd == POLL_AND_CHECK_STATUS)?0:1, count); 132103285Sikob} 133103285Sikob#else 134103285Sikob#define FWE_POLL_REGISTER(func, fwe, ifp) 135103285Sikob#define FWE_POLL_DEREGISTER(fwe, ifp) 136103285Sikob#endif 137103285Sikobstatic void 138103285Sikobfwe_identify(driver_t *driver, device_t parent) 139103285Sikob{ 140121953Ssimokawa BUS_ADD_CHILD(parent, 0, "fwe", device_get_unit(parent)); 141103285Sikob} 142103285Sikob 143103285Sikobstatic int 144103285Sikobfwe_probe(device_t dev) 145103285Sikob{ 146103285Sikob device_t pa; 147103285Sikob 148103285Sikob pa = device_get_parent(dev); 149103285Sikob if(device_get_unit(dev) != device_get_unit(pa)){ 150103285Sikob return(ENXIO); 151103285Sikob } 152103285Sikob 153108281Ssimokawa device_set_desc(dev, "Ethernet over FireWire"); 154103285Sikob return (0); 155103285Sikob} 156103285Sikob 157103285Sikobstatic int 158103285Sikobfwe_attach(device_t dev) 159103285Sikob{ 160103285Sikob struct fwe_softc *fwe; 161103285Sikob struct ifnet *ifp; 162103285Sikob int unit, s; 163147256Sbrooks#if defined(__DragonFly__) || __FreeBSD_version < 500000 164103285Sikob u_char *eaddr; 165147256Sbrooks#else 166147256Sbrooks u_char eaddr[6]; 167147256Sbrooks#endif 168109814Ssimokawa struct fw_eui64 *eui; 169103285Sikob 170103285Sikob fwe = ((struct fwe_softc *)device_get_softc(dev)); 171103285Sikob unit = device_get_unit(dev); 172103285Sikob 173103285Sikob bzero(fwe, sizeof(struct fwe_softc)); 174103285Sikob /* XXX */ 175103285Sikob fwe->stream_ch = stream_ch; 176103285Sikob fwe->dma_ch = -1; 177103285Sikob 178103285Sikob fwe->fd.fc = device_get_ivars(dev); 179124251Ssimokawa if (tx_speed < 0) 180124251Ssimokawa tx_speed = fwe->fd.fc->speed; 181124251Ssimokawa 182103285Sikob fwe->fd.dev = dev; 183103285Sikob fwe->fd.post_explore = NULL; 184103285Sikob fwe->eth_softc.fwe = fwe; 185103285Sikob 186103285Sikob fwe->pkt_hdr.mode.stream.tcode = FWTCODE_STREAM; 187103285Sikob fwe->pkt_hdr.mode.stream.sy = 0; 188103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 189103285Sikob 190103285Sikob /* generate fake MAC address: first and last 3bytes from eui64 */ 191103285Sikob#define LOCAL (0x02) 192103285Sikob#define GROUP (0x01) 193147256Sbrooks#if defined(__DragonFly__) || __FreeBSD_version < 500000 194147256Sbrooks eaddr = &IFP2ENADDR(fwe->eth_softc.ifp)[0]; 195147256Sbrooks#endif 196109814Ssimokawa 197147256Sbrooks 198109814Ssimokawa eui = &fwe->fd.fc->eui; 199109814Ssimokawa eaddr[0] = (FW_EUI64_BYTE(eui, 0) | LOCAL) & ~GROUP; 200109814Ssimokawa eaddr[1] = FW_EUI64_BYTE(eui, 1); 201109814Ssimokawa eaddr[2] = FW_EUI64_BYTE(eui, 2); 202109814Ssimokawa eaddr[3] = FW_EUI64_BYTE(eui, 5); 203109814Ssimokawa eaddr[4] = FW_EUI64_BYTE(eui, 6); 204109814Ssimokawa eaddr[5] = FW_EUI64_BYTE(eui, 7); 205107653Ssimokawa printf("if_fwe%d: Fake Ethernet address: " 206107653Ssimokawa "%02x:%02x:%02x:%02x:%02x:%02x\n", unit, 207103285Sikob eaddr[0], eaddr[1], eaddr[2], eaddr[3], eaddr[4], eaddr[5]); 208103285Sikob 209103285Sikob /* fill the rest and attach interface */ 210147256Sbrooks ifp = fwe->eth_softc.ifp = if_alloc(IFT_ETHER); 211147256Sbrooks if (ifp == NULL) { 212147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 213147256Sbrooks return (ENOSPC); 214147256Sbrooks } 215103285Sikob ifp->if_softc = &fwe->eth_softc; 216103285Sikob 217127468Ssimokawa#if __FreeBSD_version >= 501113 || defined(__DragonFly__) 218121953Ssimokawa if_initname(ifp, device_get_name(dev), unit); 219122212Ssimokawa#else 220122212Ssimokawa ifp->if_unit = unit; 221122212Ssimokawa ifp->if_name = "fwe"; 222122212Ssimokawa#endif 223103285Sikob ifp->if_init = fwe_init; 224132430Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 225132430Ssimokawa ifp->if_output = ether_output; 226132430Ssimokawa#endif 227103285Sikob ifp->if_start = fwe_start; 228103285Sikob ifp->if_ioctl = fwe_ioctl; 229103285Sikob ifp->if_mtu = ETHERMTU; 230133538Srwatson ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST| 231133538Srwatson IFF_NEEDSGIANT); 232111942Ssimokawa ifp->if_snd.ifq_maxlen = TX_MAX_QUEUE; 233103285Sikob 234103285Sikob s = splimp(); 235127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 236127468Ssimokawa ether_ifattach(ifp, 1); 237127468Ssimokawa#else 238106937Ssam ether_ifattach(ifp, eaddr); 239108712Ssimokawa#endif 240103285Sikob splx(s); 241103285Sikob 242103285Sikob /* Tell the upper layer(s) we support long frames. */ 243103285Sikob ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); 244127468Ssimokawa#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 245106937Ssam ifp->if_capabilities |= IFCAP_VLAN_MTU; 246129552Syar ifp->if_capenable |= IFCAP_VLAN_MTU; 247108712Ssimokawa#endif 248103285Sikob 249103285Sikob 250122161Ssimokawa FWEDEBUG(ifp, "interface created\n"); 251103285Sikob return 0; 252103285Sikob} 253103285Sikob 254103285Sikobstatic void 255103285Sikobfwe_stop(struct fwe_softc *fwe) 256103285Sikob{ 257103285Sikob struct firewire_comm *fc; 258103285Sikob struct fw_xferq *xferq; 259147256Sbrooks struct ifnet *ifp = fwe->eth_softc.ifp; 260111942Ssimokawa struct fw_xfer *xfer, *next; 261111942Ssimokawa int i; 262103285Sikob 263103285Sikob fc = fwe->fd.fc; 264103285Sikob 265103285Sikob FWE_POLL_DEREGISTER(fwe, ifp); 266103285Sikob 267103285Sikob if (fwe->dma_ch >= 0) { 268103285Sikob xferq = fc->ir[fwe->dma_ch]; 269103285Sikob 270103285Sikob if (xferq->flag & FWXFERQ_RUNNING) 271103285Sikob fc->irx_disable(fc, fwe->dma_ch); 272103285Sikob xferq->flag &= 273113584Ssimokawa ~(FWXFERQ_MODEMASK | FWXFERQ_OPEN | FWXFERQ_STREAM | 274113584Ssimokawa FWXFERQ_EXTBUF | FWXFERQ_HANDLER | FWXFERQ_CHTAGMASK); 275111942Ssimokawa xferq->hand = NULL; 276111942Ssimokawa 277111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) 278111942Ssimokawa m_freem(xferq->bulkxfer[i].mbuf); 279111942Ssimokawa free(xferq->bulkxfer, M_FWE); 280111942Ssimokawa 281111942Ssimokawa for (xfer = STAILQ_FIRST(&fwe->xferlist); xfer != NULL; 282111942Ssimokawa xfer = next) { 283111942Ssimokawa next = STAILQ_NEXT(xfer, link); 284111942Ssimokawa fw_xfer_free(xfer); 285111942Ssimokawa } 286111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 287111942Ssimokawa 288111942Ssimokawa xferq->bulkxfer = NULL; 289103285Sikob fwe->dma_ch = -1; 290103285Sikob } 291103285Sikob 292148887Srwatson#if defined(__FreeBSD__) 293148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 294148887Srwatson#else 295103285Sikob ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 296148887Srwatson#endif 297103285Sikob} 298103285Sikob 299103285Sikobstatic int 300103285Sikobfwe_detach(device_t dev) 301103285Sikob{ 302103285Sikob struct fwe_softc *fwe; 303147256Sbrooks struct ifnet *ifp; 304103285Sikob int s; 305103285Sikob 306147256Sbrooks fwe = device_get_softc(dev); 307147256Sbrooks ifp = fwe->eth_softc.ifp; 308103285Sikob s = splimp(); 309103285Sikob 310103285Sikob fwe_stop(fwe); 311127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 312147256Sbrooks ether_ifdetach(ifp, 1); 313127468Ssimokawa#else 314147256Sbrooks ether_ifdetach(ifp); 315147256Sbrooks if_free(ifp); 316108712Ssimokawa#endif 317103285Sikob 318103285Sikob splx(s); 319103285Sikob return 0; 320103285Sikob} 321103285Sikob 322103285Sikobstatic void 323103285Sikobfwe_init(void *arg) 324103285Sikob{ 325103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)arg)->fwe; 326103285Sikob struct firewire_comm *fc; 327147256Sbrooks struct ifnet *ifp = fwe->eth_softc.ifp; 328103285Sikob struct fw_xferq *xferq; 329111942Ssimokawa struct fw_xfer *xfer; 330113584Ssimokawa struct mbuf *m; 331103285Sikob int i; 332103285Sikob 333122161Ssimokawa FWEDEBUG(ifp, "initializing\n"); 334103285Sikob 335103285Sikob /* XXX keep promiscoud mode */ 336103285Sikob ifp->if_flags |= IFF_PROMISC; 337103285Sikob 338103285Sikob fc = fwe->fd.fc; 339103285Sikob#define START 0 340103285Sikob if (fwe->dma_ch < 0) { 341103285Sikob for (i = START; i < fc->nisodma; i ++) { 342103285Sikob xferq = fc->ir[i]; 343103285Sikob if ((xferq->flag & FWXFERQ_OPEN) == 0) 344118312Ssimokawa goto found; 345103285Sikob } 346118312Ssimokawa printf("no free dma channel\n"); 347118312Ssimokawa return; 348118312Ssimokawafound: 349103285Sikob fwe->dma_ch = i; 350103285Sikob fwe->stream_ch = stream_ch; 351103285Sikob fwe->pkt_hdr.mode.stream.chtag = fwe->stream_ch; 352103285Sikob /* allocate DMA channel and init packet mode */ 353113584Ssimokawa xferq->flag |= FWXFERQ_OPEN | FWXFERQ_EXTBUF | 354113584Ssimokawa FWXFERQ_HANDLER | FWXFERQ_STREAM; 355112400Ssimokawa xferq->flag &= ~0xff; 356103285Sikob xferq->flag |= fwe->stream_ch & 0xff; 357103285Sikob /* register fwe_input handler */ 358103285Sikob xferq->sc = (caddr_t) fwe; 359103285Sikob xferq->hand = fwe_as_input; 360122603Ssimokawa xferq->bnchunk = rx_queue_len; 361111942Ssimokawa xferq->bnpacket = 1; 362111942Ssimokawa xferq->psize = MCLBYTES; 363111942Ssimokawa xferq->queued = 0; 364113584Ssimokawa xferq->buf = NULL; 365111942Ssimokawa xferq->bulkxfer = (struct fw_bulkxfer *) malloc( 366113584Ssimokawa sizeof(struct fw_bulkxfer) * xferq->bnchunk, 367113584Ssimokawa M_FWE, M_WAITOK); 368111942Ssimokawa if (xferq->bulkxfer == NULL) { 369111942Ssimokawa printf("if_fwe: malloc failed\n"); 370111942Ssimokawa return; 371111942Ssimokawa } 372111942Ssimokawa STAILQ_INIT(&xferq->stvalid); 373111942Ssimokawa STAILQ_INIT(&xferq->stfree); 374111942Ssimokawa STAILQ_INIT(&xferq->stdma); 375111942Ssimokawa xferq->stproc = NULL; 376111942Ssimokawa for (i = 0; i < xferq->bnchunk; i ++) { 377113584Ssimokawa m = 378127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 379127468Ssimokawa m_getcl(M_WAIT, MT_DATA, M_PKTHDR); 380127468Ssimokawa#else 381111942Ssimokawa m_getcl(M_TRYWAIT, MT_DATA, M_PKTHDR); 382111942Ssimokawa#endif 383113584Ssimokawa xferq->bulkxfer[i].mbuf = m; 384113584Ssimokawa if (m != NULL) { 385113584Ssimokawa m->m_len = m->m_pkthdr.len = m->m_ext.ext_size; 386113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, 387113584Ssimokawa &xferq->bulkxfer[i], link); 388113584Ssimokawa } else 389113584Ssimokawa printf("fwe_as_input: m_getcl failed\n"); 390111942Ssimokawa } 391111942Ssimokawa STAILQ_INIT(&fwe->xferlist); 392111942Ssimokawa for (i = 0; i < TX_MAX_QUEUE; i++) { 393111942Ssimokawa xfer = fw_xfer_alloc(M_FWE); 394111942Ssimokawa if (xfer == NULL) 395111942Ssimokawa break; 396120660Ssimokawa xfer->send.spd = tx_speed; 397111942Ssimokawa xfer->fc = fwe->fd.fc; 398111942Ssimokawa xfer->retry_req = fw_asybusy; 399111942Ssimokawa xfer->sc = (caddr_t)fwe; 400111942Ssimokawa xfer->act.hand = fwe_output_callback; 401111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 402111942Ssimokawa } 403103285Sikob } else 404103285Sikob xferq = fc->ir[fwe->dma_ch]; 405103285Sikob 406103285Sikob 407103285Sikob /* start dma */ 408103285Sikob if ((xferq->flag & FWXFERQ_RUNNING) == 0) 409103285Sikob fc->irx_enable(fc, fwe->dma_ch); 410103285Sikob 411148887Srwatson#if defined(__FreeBSD__) 412148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 413148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 414148887Srwatson#else 415103285Sikob ifp->if_flags |= IFF_RUNNING; 416103285Sikob ifp->if_flags &= ~IFF_OACTIVE; 417148887Srwatson#endif 418103285Sikob 419103285Sikob FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 420103285Sikob#if 0 421103285Sikob /* attempt to start output */ 422103285Sikob fwe_start(ifp); 423103285Sikob#endif 424103285Sikob} 425103285Sikob 426103285Sikob 427103285Sikobstatic int 428103285Sikobfwe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 429103285Sikob{ 430103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 431103285Sikob struct ifstat *ifs = NULL; 432103285Sikob int s, error, len; 433103285Sikob 434103285Sikob switch (cmd) { 435103285Sikob case SIOCSIFFLAGS: 436103285Sikob s = splimp(); 437103285Sikob if (ifp->if_flags & IFF_UP) { 438148887Srwatson#if defined(__FreeBSD__) 439148887Srwatson if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 440148887Srwatson#else 441103285Sikob if (!(ifp->if_flags & IFF_RUNNING)) 442148887Srwatson#endif 443103285Sikob fwe_init(&fwe->eth_softc); 444103285Sikob } else { 445148887Srwatson#if defined(__FreeBSD__) 446148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 447148887Srwatson#else 448103285Sikob if (ifp->if_flags & IFF_RUNNING) 449148887Srwatson#endif 450103285Sikob fwe_stop(fwe); 451103285Sikob } 452103285Sikob /* XXX keep promiscoud mode */ 453103285Sikob ifp->if_flags |= IFF_PROMISC; 454103285Sikob splx(s); 455103285Sikob break; 456103285Sikob case SIOCADDMULTI: 457103285Sikob case SIOCDELMULTI: 458108712Ssimokawa break; 459103285Sikob 460103285Sikob case SIOCGIFSTATUS: 461103285Sikob s = splimp(); 462103285Sikob ifs = (struct ifstat *)data; 463103285Sikob len = strlen(ifs->ascii); 464103285Sikob if (len < sizeof(ifs->ascii)) 465103285Sikob snprintf(ifs->ascii + len, 466103285Sikob sizeof(ifs->ascii) - len, 467103285Sikob "\tch %d dma %d\n", 468103285Sikob fwe->stream_ch, fwe->dma_ch); 469103285Sikob splx(s); 470108712Ssimokawa 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(); 509111942Ssimokawa STAILQ_INSERT_TAIL(&fwe->xferlist, xfer, link); 510111942Ssimokawa splx(s); 511113584Ssimokawa 512113584Ssimokawa /* for queue full */ 513111942Ssimokawa if (ifp->if_snd.ifq_head != NULL) 514111942Ssimokawa fwe_start(ifp); 515111942Ssimokawa} 516111942Ssimokawa 517111942Ssimokawastatic void 518103285Sikobfwe_start(struct ifnet *ifp) 519103285Sikob{ 520103285Sikob struct fwe_softc *fwe = ((struct fwe_eth_softc *)ifp->if_softc)->fwe; 521103285Sikob int s; 522103285Sikob 523133930Srwatson GIANT_REQUIRED; 524133930Srwatson 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; 578111942Ssimokawa while (xferq->queued < xferq->maxq - 1) { 579111942Ssimokawa xfer = STAILQ_FIRST(&fwe->xferlist); 580111942Ssimokawa if (xfer == NULL) { 581111942Ssimokawa printf("if_fwe: lack of xfer\n"); 582111942Ssimokawa return; 583111942Ssimokawa } 584103285Sikob IF_DEQUEUE(&ifp->if_snd, m); 585103285Sikob if (m == NULL) 586103285Sikob break; 587111942Ssimokawa STAILQ_REMOVE_HEAD(&fwe->xferlist, link); 588127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 589108712Ssimokawa if (ifp->if_bpf != NULL) 590108712Ssimokawa bpf_mtap(ifp, m); 591127468Ssimokawa#else 592127468Ssimokawa BPF_MTAP(ifp, m); 593108712Ssimokawa#endif 594103285Sikob 595103285Sikob /* keep ip packet alignment for alpha */ 596111942Ssimokawa M_PREPEND(m, ETHER_ALIGN, M_DONTWAIT); 597120660Ssimokawa fp = &xfer->send.hdr; 598129585Sdfr *(uint32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; 599113584Ssimokawa fp->mode.stream.len = m->m_pkthdr.len; 600103285Sikob xfer->mbuf = m; 601120660Ssimokawa xfer->send.pay_len = m->m_pkthdr.len; 602103285Sikob 603111942Ssimokawa if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { 604103285Sikob /* error */ 605103285Sikob ifp->if_oerrors ++; 606103285Sikob /* XXX set error code */ 607103285Sikob fwe_output_callback(xfer); 608103285Sikob } else { 609103285Sikob ifp->if_opackets ++; 610111942Ssimokawa i++; 611103285Sikob } 612103285Sikob } 613103285Sikob#if 0 614103285Sikob if (i > 1) 615103285Sikob printf("%d queued\n", i); 616103285Sikob#endif 617111942Ssimokawa if (i > 0) 618111942Ssimokawa xferq->start(fwe->fd.fc); 619103285Sikob} 620103285Sikob 621103285Sikob/* Async. stream output */ 622103285Sikobstatic void 623103285Sikobfwe_as_input(struct fw_xferq *xferq) 624103285Sikob{ 625113584Ssimokawa struct mbuf *m, *m0; 626103285Sikob struct ifnet *ifp; 627103285Sikob struct fwe_softc *fwe; 628111942Ssimokawa struct fw_bulkxfer *sxfer; 629111942Ssimokawa struct fw_pkt *fp; 630103285Sikob u_char *c; 631127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 632111942Ssimokawa struct ether_header *eh; 633111942Ssimokawa#endif 634103285Sikob 635103285Sikob fwe = (struct fwe_softc *)xferq->sc; 636147256Sbrooks ifp = fwe->eth_softc.ifp; 637103285Sikob#if 0 638103285Sikob FWE_POLL_REGISTER(fwe_poll, fwe, ifp); 639103285Sikob#endif 640111942Ssimokawa while ((sxfer = STAILQ_FIRST(&xferq->stvalid)) != NULL) { 641111942Ssimokawa STAILQ_REMOVE_HEAD(&xferq->stvalid, link); 642113584Ssimokawa fp = mtod(sxfer->mbuf, struct fw_pkt *); 643111942Ssimokawa if (fwe->fd.fc->irx_post != NULL) 644111942Ssimokawa fwe->fd.fc->irx_post(fwe->fd.fc, fp->mode.ld); 645111942Ssimokawa m = sxfer->mbuf; 646111942Ssimokawa 647119119Ssimokawa /* insert new rbuf */ 648113584Ssimokawa sxfer->mbuf = m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 649113584Ssimokawa if (m0 != NULL) { 650113584Ssimokawa m0->m_len = m0->m_pkthdr.len = m0->m_ext.ext_size; 651113584Ssimokawa STAILQ_INSERT_TAIL(&xferq->stfree, sxfer, link); 652113584Ssimokawa } else 653113584Ssimokawa printf("fwe_as_input: m_getcl failed\n"); 654111942Ssimokawa 655119119Ssimokawa if (sxfer->resp != 0 || fp->mode.stream.len < 656119119Ssimokawa ETHER_ALIGN + sizeof(struct ether_header)) { 657119119Ssimokawa m_freem(m); 658119119Ssimokawa ifp->if_ierrors ++; 659119119Ssimokawa continue; 660119119Ssimokawa } 661119119Ssimokawa 662111942Ssimokawa m->m_data += HDR_LEN + ETHER_ALIGN; 663111942Ssimokawa c = mtod(m, char *); 664127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 665111942Ssimokawa eh = (struct ether_header *)c; 666111942Ssimokawa m->m_data += sizeof(struct ether_header); 667132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN 668132429Ssimokawa - sizeof(struct ether_header); 669132429Ssimokawa#else 670132429Ssimokawa m->m_len = m->m_pkthdr.len = fp->mode.stream.len - ETHER_ALIGN; 671108712Ssimokawa#endif 672103285Sikob m->m_pkthdr.rcvif = ifp; 673103285Sikob#if 0 674122161Ssimokawa FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n" 675103285Sikob "%02x %02x %02x %02x %02x %02x\n" 676103285Sikob "%02x %02x %02x %02x\n" 677103285Sikob "%02x %02x %02x %02x\n" 678103285Sikob "%02x %02x %02x %02x\n" 679103285Sikob "%02x %02x %02x %02x\n", 680103285Sikob c[0], c[1], c[2], c[3], c[4], c[5], 681103285Sikob c[6], c[7], c[8], c[9], c[10], c[11], 682103285Sikob c[12], c[13], c[14], c[15], 683103285Sikob c[16], c[17], c[18], c[19], 684103285Sikob c[20], c[21], c[22], c[23], 685103285Sikob c[20], c[21], c[22], c[23] 686103285Sikob ); 687103285Sikob#endif 688127468Ssimokawa#if defined(__DragonFly__) || __FreeBSD_version < 500000 689127468Ssimokawa ether_input(ifp, eh, m); 690127468Ssimokawa#else 691106937Ssam (*ifp->if_input)(ifp, m); 692108712Ssimokawa#endif 693103285Sikob ifp->if_ipackets ++; 694103285Sikob } 695111942Ssimokawa if (STAILQ_FIRST(&xferq->stfree) != NULL) 696111942Ssimokawa fwe->fd.fc->irx_enable(fwe->fd.fc, fwe->dma_ch); 697103285Sikob} 698103285Sikob 699103285Sikob 700103285Sikobstatic devclass_t fwe_devclass; 701103285Sikob 702103285Sikobstatic device_method_t fwe_methods[] = { 703103285Sikob /* device interface */ 704103285Sikob DEVMETHOD(device_identify, fwe_identify), 705103285Sikob DEVMETHOD(device_probe, fwe_probe), 706103285Sikob DEVMETHOD(device_attach, fwe_attach), 707103285Sikob DEVMETHOD(device_detach, fwe_detach), 708103285Sikob { 0, 0 } 709103285Sikob}; 710103285Sikob 711103285Sikobstatic driver_t fwe_driver = { 712121953Ssimokawa "fwe", 713103285Sikob fwe_methods, 714103285Sikob sizeof(struct fwe_softc), 715103285Sikob}; 716103285Sikob 717103285Sikob 718127468Ssimokawa#ifdef __DragonFly__ 719127468SsimokawaDECLARE_DUMMY_MODULE(fwe); 720127468Ssimokawa#endif 721113506SmdoddDRIVER_MODULE(fwe, firewire, fwe_driver, fwe_devclass, 0, 0); 722113506SmdoddMODULE_VERSION(fwe, 1); 723113506SmdoddMODULE_DEPEND(fwe, firewire, 1, 1, 1); 724