Revision 6e50d188 hw/net/opencores_eth.c
| b/hw/net/opencores_eth.c | ||
|---|---|---|
| 169 | 169 |
}; |
| 170 | 170 |
|
| 171 | 171 |
enum {
|
| 172 |
INT_SOURCE_BUSY = 0x10, |
|
| 172 | 173 |
INT_SOURCE_RXB = 0x4, |
| 173 | 174 |
INT_SOURCE_TXB = 0x1, |
| 174 | 175 |
}; |
| ... | ... | |
| 351 | 352 |
OpenEthState *s = qemu_get_nic_opaque(nc); |
| 352 | 353 |
|
| 353 | 354 |
return GET_REGBIT(s, MODER, RXEN) && |
| 354 |
(s->regs[TX_BD_NUM] < 0x80) && |
|
| 355 |
(rx_desc(s)->len_flags & RXD_E); |
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(s->regs[TX_BD_NUM] < 0x80); |
|
| 356 | 356 |
} |
| 357 | 357 |
|
| 358 | 358 |
static ssize_t open_eth_receive(NetClientState *nc, |
| ... | ... | |
| 402 | 402 |
desc *desc = rx_desc(s); |
| 403 | 403 |
size_t copy_size = GET_REGBIT(s, MODER, HUGEN) ? 65536 : maxfl; |
| 404 | 404 |
|
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if (!(desc->len_flags & RXD_E)) {
|
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open_eth_int_source_write(s, |
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s->regs[INT_SOURCE] | INT_SOURCE_BUSY); |
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return size; |
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} |
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|
|
| 405 | 411 |
desc->len_flags &= ~(RXD_CF | RXD_M | RXD_OR | |
| 406 | 412 |
RXD_IS | RXD_DN | RXD_TL | RXD_SF | RXD_CRC | RXD_LC); |
| 407 | 413 |
|
| ... | ... | |
| 551 | 557 |
return v; |
| 552 | 558 |
} |
| 553 | 559 |
|
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static void open_eth_notify_can_receive(OpenEthState *s) |
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{
|
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NetClientState *nc = qemu_get_queue(s->nic); |
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|
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if (open_eth_can_receive(nc)) {
|
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qemu_flush_queued_packets(nc); |
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} |
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} |
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| 568 |
|
|
| 554 | 569 |
static void open_eth_ro(OpenEthState *s, uint32_t val) |
| 555 | 570 |
{
|
| 556 | 571 |
} |
| ... | ... | |
| 567 | 582 |
|
| 568 | 583 |
if (set & MODER_RXEN) {
|
| 569 | 584 |
s->rx_desc = s->regs[TX_BD_NUM]; |
| 585 |
open_eth_notify_can_receive(s); |
|
| 570 | 586 |
} |
| 571 | 587 |
if (set & MODER_TXEN) {
|
| 572 | 588 |
s->tx_desc = 0; |
| ... | ... | |
| 592 | 608 |
s->regs[INT_SOURCE] & s->regs[INT_MASK]); |
| 593 | 609 |
} |
| 594 | 610 |
|
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static void open_eth_tx_bd_num_host_write(OpenEthState *s, uint32_t val) |
|
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{
|
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if (val < 0x80) {
|
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bool enable = s->regs[TX_BD_NUM] == 0x80; |
|
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|
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s->regs[TX_BD_NUM] = val; |
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if (enable) {
|
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open_eth_notify_can_receive(s); |
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| 619 |
} |
|
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} |
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} |
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| 622 |
|
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| 595 | 623 |
static void open_eth_mii_command_host_write(OpenEthState *s, uint32_t val) |
| 596 | 624 |
{
|
| 597 | 625 |
unsigned fiad = GET_REGFIELD(s, MIIADDRESS, FIAD); |
| ... | ... | |
| 630 | 658 |
[MODER] = open_eth_moder_host_write, |
| 631 | 659 |
[INT_SOURCE] = open_eth_int_source_host_write, |
| 632 | 660 |
[INT_MASK] = open_eth_int_mask_host_write, |
| 661 |
[TX_BD_NUM] = open_eth_tx_bd_num_host_write, |
|
| 633 | 662 |
[MIICOMMAND] = open_eth_mii_command_host_write, |
| 634 | 663 |
[MIITX_DATA] = open_eth_mii_tx_host_write, |
| 635 | 664 |
[MIISTATUS] = open_eth_ro, |
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