int
handle_network_read(void)
{
if (!(rx_descr2.status & d_eop)) {
return FALSE;
}
/* Even if wasn't to us, we must do this... */
rx_descr2.status = 0;
*R_DMA_CH1_FIRST = (udword)&rx_descr;
/* Was it to me? */
if (ntohl(rx_header.seq) == (seq+1)) {
interface = NETWORK;
last_timeout = *R_TIMER_DATA >> IO_BITNR(R_TIMER_DATA, timer0);
nbr_read += rx_descr2.hw_len - CRC_LEN;
rx_descr2.buf += rx_descr2.hw_len - CRC_LEN;
rx_descr2.sw_len = bytes_to_read - nbr_read - CRC_LEN < 1500 ?
bytes_to_read - nbr_read + CRC_LEN: 1500; /* FIX!!!!! */
rx_descr2.sw_len = rx_descr2.sw_len + NETWORK_HEADER_LENGTH < 64
? 64 - NETWORK_HEADER_LENGTH : rx_descr2.sw_len; /* Less than minimum eth packet? */
seq++;
send_network_ack();
}
{
R_PAR0_CTRL_DATA,
R_PAR0_STATUS_DATA,
R_PAR0_CONFIG,
R_PAR0_DELAY,
/* DMA interrupt stuff */
2,
1U << 4, /* uses DMA 2 and 3 */
R_DMA_CH2_CLR_INTR,
R_DMA_CH2_FIRST,
R_DMA_CH2_CMD,
R_DMA_CH3_CLR_INTR,
R_DMA_CH3_FIRST,
R_DMA_CH3_CMD,
/* Non DMA interrupt stuff */
IO_BITNR(R_VECT_MASK_RD, par0),
R_IRQ_MASK0_RD,
R_IRQ_MASK0_CLR,
R_IRQ_READ0,
R_IRQ_MASK0_SET,
IO_FIELD(R_IRQ_MASK0_RD, par0_ready, 1U), /* tx (ready)*/
IO_FIELD(R_IRQ_MASK0_RD, par0_data, 1U), /* rx (data)*/
IO_FIELD(R_IRQ_MASK0_RD, par0_ecp_cmd, 1U), /* ecp_cmd */
IO_FIELD(R_IRQ_MASK0_RD, par0_peri, 1U), /* peri */
0
},
{
R_PAR1_CTRL_DATA,
R_PAR1_STATUS_DATA,
R_PAR1_CONFIG,
R_PAR1_DELAY,