static int
fwip_attach(device_t dev)
{
struct fwip_softc *fwip;
struct ifnet *ifp;
int unit, s;
struct fw_hwaddr *hwaddr;
fwip = ((struct fwip_softc *)device_get_softc(dev));
unit = device_get_unit(dev);
ifp = fwip->fw_softc.fwip_ifp = if_alloc(IFT_IEEE1394);
if (ifp == NULL)
return (ENOSPC);
mtx_init(&fwip->mtx, "fwip", NULL, MTX_DEF);
/* XXX */
fwip->dma_ch = -1;
fwip->fd.fc = device_get_ivars(dev);
if (tx_speed < 0)
tx_speed = fwip->fd.fc->speed;
fwip->fd.dev = dev;
fwip->fd.post_explore = NULL;
fwip->fd.post_busreset = fwip_post_busreset;
fwip->fw_softc.fwip = fwip;
TASK_INIT(&fwip->start_send, 0, fwip_start_send, fwip);
/*
* Encode our hardware the way that arp likes it.
*/
hwaddr = &IFP2FWC(fwip->fw_softc.fwip_ifp)->fc_hwaddr;
hwaddr->sender_unique_ID_hi = htonl(fwip->fd.fc->eui.hi);
hwaddr->sender_unique_ID_lo = htonl(fwip->fd.fc->eui.lo);
hwaddr->sender_max_rec = fwip->fd.fc->maxrec;
hwaddr->sspd = fwip->fd.fc->speed;
hwaddr->sender_unicast_FIFO_hi = htons((uint16_t)(INET_FIFO >> 32));
hwaddr->sender_unicast_FIFO_lo = htonl((uint32_t)INET_FIFO);
/* fill the rest and attach interface */
ifp->if_softc = &fwip->fw_softc;
if_initname(ifp, device_get_name(dev), unit);
ifp->if_init = fwip_init;
ifp->if_start = fwip_start;
ifp->if_ioctl = fwip_ioctl;
ifp->if_flags = (IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST);
ifp->if_snd.ifq_maxlen = TX_MAX_QUEUE;
#ifdef DEVICE_POLLING
ifp->if_capabilities |= IFCAP_POLLING;
#endif
s = splimp();
firewire_ifattach(ifp, hwaddr);
splx(s);
FWIPDEBUG(ifp, "interface created\n");
return 0;
}
static void
fwip_init(void *arg)
{
struct fwip_softc *fwip = ((struct fwip_eth_softc *)arg)->fwip;
struct firewire_comm *fc;
struct ifnet *ifp = fwip->fw_softc.fwip_ifp;
struct fw_xferq *xferq;
struct fw_xfer *xfer;
struct mbuf *m;
int i;
FWIPDEBUG(ifp, "initializing\n");
fc = fwip->fd.fc;
#define START 0
if (fwip->dma_ch < 0) {
fwip->dma_ch = fw_open_isodma(fc, /* tx */0);
if (fwip->dma_ch < 0)
return;
xferq = fc->ir[fwip->dma_ch];
xferq->flag |= FWXFERQ_EXTBUF |
FWXFERQ_HANDLER | FWXFERQ_STREAM;
xferq->flag &= ~0xff;
xferq->flag |= broadcast_channel & 0xff;
/* register fwip_input handler */
xferq->sc = (caddr_t) fwip;
xferq->hand = fwip_stream_input;
xferq->bnchunk = rx_queue_len;
xferq->bnpacket = 1;
xferq->psize = MCLBYTES;
xferq->queued = 0;
xferq->buf = NULL;
xferq->bulkxfer = (struct fw_bulkxfer *) malloc(
sizeof(struct fw_bulkxfer) * xferq->bnchunk,
M_FWIP, M_WAITOK);
if (xferq->bulkxfer == NULL) {
printf("if_fwip: malloc failed\n");
return;
}
STAILQ_INIT(&xferq->stvalid);
STAILQ_INIT(&xferq->stfree);
STAILQ_INIT(&xferq->stdma);
xferq->stproc = NULL;
for (i = 0; i < xferq->bnchunk; i ++) {
m = m_getcl(M_WAITOK, MT_DATA, M_PKTHDR);
xferq->bulkxfer[i].mbuf = m;
m->m_len = m->m_pkthdr.len = m->m_ext.ext_size;
STAILQ_INSERT_TAIL(&xferq->stfree,
&xferq->bulkxfer[i], link);
}
fwip->fwb.start = INET_FIFO;
fwip->fwb.end = INET_FIFO + 16384; /* S3200 packet size */
/* pre-allocate xfer */
STAILQ_INIT(&fwip->fwb.xferlist);
for (i = 0; i < rx_queue_len; i ++) {
xfer = fw_xfer_alloc(M_FWIP);
if (xfer == NULL)
break;
m = m_getcl(M_WAITOK, MT_DATA, M_PKTHDR);
xfer->recv.payload = mtod(m, uint32_t *);
xfer->recv.pay_len = MCLBYTES;
xfer->hand = fwip_unicast_input;
xfer->fc = fc;
xfer->sc = (caddr_t)fwip;
xfer->mbuf = m;
STAILQ_INSERT_TAIL(&fwip->fwb.xferlist, xfer, link);
}
fw_bindadd(fc, &fwip->fwb);
STAILQ_INIT(&fwip->xferlist);
for (i = 0; i < TX_MAX_QUEUE; i++) {
xfer = fw_xfer_alloc(M_FWIP);
if (xfer == NULL)
break;
xfer->send.spd = tx_speed;
xfer->fc = fwip->fd.fc;
xfer->sc = (caddr_t)fwip;
xfer->hand = fwip_output_callback;
STAILQ_INSERT_TAIL(&fwip->xferlist, xfer, link);
}
} else
