Revision 4f1c942b hw/smc91c111.c
| b/hw/smc91c111.c | ||
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| 602 | 602 |
return 1; |
| 603 | 603 |
} |
| 604 | 604 |
|
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static void smc91c111_receive(VLANClientState *vc, const uint8_t *buf, size_t size)
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static ssize_t smc91c111_receive(VLANClientState *vc, const uint8_t *buf, size_t size)
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| 606 | 606 |
{
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smc91c111_state *s = vc->opaque; |
| 608 | 608 |
int status; |
| ... | ... | |
| 612 | 612 |
uint8_t *p; |
| 613 | 613 |
|
| 614 | 614 |
if ((s->rcr & RCR_RXEN) == 0 || (s->rcr & RCR_SOFT_RST)) |
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return; |
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return -1;
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| 616 | 616 |
/* Short packets are padded with zeros. Receiving a packet |
| 617 | 617 |
< 64 bytes long is considered an error condition. */ |
| 618 | 618 |
if (size < 64) |
| ... | ... | |
| 625 | 625 |
packetsize += 4; |
| 626 | 626 |
/* TODO: Flag overrun and receive errors. */ |
| 627 | 627 |
if (packetsize > 2048) |
| 628 |
return; |
|
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return -1;
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| 629 | 629 |
packetnum = smc91c111_allocate_packet(s); |
| 630 | 630 |
if (packetnum == 0x80) |
| 631 |
return; |
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return -1;
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s->rx_fifo[s->rx_fifo_len++] = packetnum; |
| 633 | 633 |
|
| 634 | 634 |
p = &s->data[packetnum][0]; |
| ... | ... | |
| 676 | 676 |
/* TODO: Raise early RX interrupt? */ |
| 677 | 677 |
s->int_level |= INT_RCV; |
| 678 | 678 |
smc91c111_update(s); |
| 679 |
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return size; |
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| 679 | 681 |
} |
| 680 | 682 |
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| 681 | 683 |
static CPUReadMemoryFunc *smc91c111_readfn[] = {
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