C++ (Cpp) iavc_put_slice Examples

Example #1

File: iavc.c Project: Tommmster/netbsd-avr32

static uint32_t
iavc_tx_capimsg(iavc_softc_t *sc, struct mbuf *m)
{
    uint32_t txlen = 0;
    u_int8_t *dmabuf;

    if (sc->sc_dma) {
	/* Copy message to DMA buffer. */

	if (m->m_next)
	    dmabuf = amcc_put_byte(&sc->sc_sendbuf[0], SEND_DATA_B3_REQ);
	else
	    dmabuf = amcc_put_byte(&sc->sc_sendbuf[0], SEND_MESSAGE);

	dmabuf = amcc_put_word(dmabuf, m->m_len);
	memcpy(dmabuf, m->m_data, m->m_len);
	dmabuf += m->m_len;
	txlen = 5 + m->m_len;

	if (m->m_next) {
	    dmabuf = amcc_put_word(dmabuf, m->m_next->m_len);
	    memcpy(dmabuf, m->m_next->m_data, m->m_next->m_len);
	    txlen += 4 + m->m_next->m_len;
	}

    } else {
	/* Use PIO. */

	if (m->m_next) {
	    iavc_put_byte(sc, SEND_DATA_B3_REQ);
	    NDBGL4(L4_IAVCDBG, "iavc%d: tx SDB3R msg, len = %d",
	      sc->sc_unit, m->m_len);
	} else {
	    iavc_put_byte(sc, SEND_MESSAGE);
	    NDBGL4(L4_IAVCDBG, "iavc%d: tx SM msg, len = %d",
	      sc->sc_unit, m->m_len);
	}
#if 0
    {
	u_int8_t *p = mtod(m, u_int8_t*);
	int len;
	for (len = 0; len < m->m_len; len++) {
	    printf(" %02x", *p++);
	    if (len && (len % 16) == 0)
		printf("\n");
	}
	if (len % 16)
	    printf("\n");
    }
#endif

	iavc_put_slice(sc, m->m_data, m->m_len);

	if (m->m_next)
	    iavc_put_slice(sc, m->m_next->m_data, m->m_next->m_len);
    }

    return txlen;
}

Example #2

File: iavc_lli.c Project: UnitedMarsupials/kame

static void iavc_start_tx(iavc_softc_t *sc)
{
    struct mbuf *m;
    u_int8_t *dmabuf;
    u_int32_t txlen = 0;
    
    /* If device has put us on hold, punt. */

    if (sc->sc_blocked) {
	return;
    }

    /* If using DMA and transmitter busy, punt. */
    
    if (sc->sc_dma && (sc->sc_csr & EN_TX_TC_INT)) {
	return;
    }

    /* Else, see if we have messages to send. */

    _IF_DEQUEUE(&sc->sc_txq, m);
    if (!m) {
	return;
    }

    /* Have message, will send. */

    if (CAPIMSG_LEN(m->m_data)) {
	/* A proper CAPI message, possibly with B3 data */

	if (sc->sc_dma) {
	    /* Copy message to DMA buffer. */

	    if (m->m_next) {
		dmabuf = amcc_put_byte(&sc->sc_sendbuf[0], SEND_DATA_B3_REQ);
	    } else {
		dmabuf = amcc_put_byte(&sc->sc_sendbuf[0], SEND_MESSAGE);
	    }

	    dmabuf = amcc_put_word(dmabuf, m->m_len);
	    bcopy(m->m_data, dmabuf, m->m_len);
	    dmabuf += m->m_len;
	    txlen = 5 + m->m_len;

	    if (m->m_next) {
		dmabuf = amcc_put_word(dmabuf, m->m_next->m_len);
		bcopy(m->m_next->m_data, dmabuf, m->m_next->m_len);
		txlen += 4 + m->m_next->m_len;
	    }

	} else {
	    /* Use PIO. */

	    if (m->m_next) {
		iavc_put_byte(sc, SEND_DATA_B3_REQ);
		NDBGL4(L4_IAVCDBG, "iavc%d: tx SDB3R msg, len = %d", sc->sc_unit, m->m_len);
	    } else {
		iavc_put_byte(sc, SEND_MESSAGE);
		NDBGL4(L4_IAVCDBG, "iavc%d: tx SM msg, len = %d", sc->sc_unit, m->m_len);
	    }
#if 0
    {
	u_int8_t *p = mtod(m, u_int8_t*);
	int len;
	for (len = 0; len < m->m_len; len++) {
	    printf(" %02x", *p++);
	    if (len && (len % 16) == 0) printf("\n");
	}
	if (len % 16) printf("\n");
    }
#endif

	    iavc_put_slice(sc, m->m_data, m->m_len);

	    if (m->m_next) {
		iavc_put_slice(sc, m->m_next->m_data, m->m_next->m_len);
	    }
	}

    } else {
	/* A board control message to be sent as is */

	if (sc->sc_dma) {