Revision 2d9aba39
| b/hw/virtio-net.c | ||
|---|---|---|
| 37 | 37 |
uint8_t allmulti; |
| 38 | 38 |
struct {
|
| 39 | 39 |
int in_use; |
| 40 |
int first_multi; |
|
| 40 | 41 |
uint8_t multi_overflow; |
| 41 | 42 |
uint8_t uni_overflow; |
| 42 | 43 |
uint8_t *macs; |
| ... | ... | |
| 100 | 101 |
|
| 101 | 102 |
/* Flush any MAC and VLAN filter table state */ |
| 102 | 103 |
n->mac_table.in_use = 0; |
| 104 |
n->mac_table.first_multi = 0; |
|
| 103 | 105 |
n->mac_table.multi_overflow = 0; |
| 104 | 106 |
n->mac_table.uni_overflow = 0; |
| 105 | 107 |
memset(n->mac_table.macs, 0, MAC_TABLE_ENTRIES * ETH_ALEN); |
| ... | ... | |
| 172 | 174 |
return VIRTIO_NET_ERR; |
| 173 | 175 |
|
| 174 | 176 |
n->mac_table.in_use = 0; |
| 177 |
n->mac_table.first_multi = 0; |
|
| 175 | 178 |
n->mac_table.uni_overflow = 0; |
| 176 | 179 |
n->mac_table.multi_overflow = 0; |
| 177 | 180 |
memset(n->mac_table.macs, 0, MAC_TABLE_ENTRIES * ETH_ALEN); |
| ... | ... | |
| 190 | 193 |
n->mac_table.uni_overflow = 1; |
| 191 | 194 |
} |
| 192 | 195 |
|
| 196 |
n->mac_table.first_multi = n->mac_table.in_use; |
|
| 197 |
|
|
| 193 | 198 |
mac_data.entries = ldl_le_p(elem->out_sg[2].iov_base); |
| 194 | 199 |
|
| 195 | 200 |
if (sizeof(mac_data.entries) + |
| ... | ... | |
| 359 | 364 |
} else if (n->allmulti || n->mac_table.multi_overflow) {
|
| 360 | 365 |
return 1; |
| 361 | 366 |
} |
| 367 |
|
|
| 368 |
for (i = n->mac_table.first_multi; i < n->mac_table.in_use; i++) {
|
|
| 369 |
if (!memcmp(ptr, &n->mac_table.macs[i * ETH_ALEN], ETH_ALEN)) {
|
|
| 370 |
return 1; |
|
| 371 |
} |
|
| 372 |
} |
|
| 362 | 373 |
} else { // unicast
|
| 363 | 374 |
if (n->mac_table.uni_overflow) {
|
| 364 | 375 |
return 1; |
| 365 | 376 |
} else if (!memcmp(ptr, n->mac, ETH_ALEN)) {
|
| 366 | 377 |
return 1; |
| 367 | 378 |
} |
| 368 |
} |
|
| 369 | 379 |
|
| 370 |
for (i = 0; i < n->mac_table.in_use; i++) {
|
|
| 371 |
if (!memcmp(ptr, &n->mac_table.macs[i * ETH_ALEN], ETH_ALEN)) |
|
| 372 |
return 1; |
|
| 380 |
for (i = 0; i < n->mac_table.first_multi; i++) {
|
|
| 381 |
if (!memcmp(ptr, &n->mac_table.macs[i * ETH_ALEN], ETH_ALEN)) {
|
|
| 382 |
return 1; |
|
| 383 |
} |
|
| 384 |
} |
|
| 373 | 385 |
} |
| 374 | 386 |
|
| 375 | 387 |
return 0; |
| ... | ... | |
| 547 | 559 |
static int virtio_net_load(QEMUFile *f, void *opaque, int version_id) |
| 548 | 560 |
{
|
| 549 | 561 |
VirtIONet *n = opaque; |
| 562 |
int i; |
|
| 550 | 563 |
|
| 551 | 564 |
if (version_id < 2 || version_id > VIRTIO_NET_VM_VERSION) |
| 552 | 565 |
return -EINVAL; |
| ... | ... | |
| 597 | 610 |
n->mac_table.uni_overflow = qemu_get_byte(f); |
| 598 | 611 |
} |
| 599 | 612 |
|
| 613 |
/* Find the first multicast entry in the saved MAC filter */ |
|
| 614 |
for (i = 0; i < n->mac_table.in_use; i++) {
|
|
| 615 |
if (n->mac_table.macs[i * ETH_ALEN] & 1) {
|
|
| 616 |
break; |
|
| 617 |
} |
|
| 618 |
} |
|
| 619 |
n->mac_table.first_multi = i; |
|
| 620 |
|
|
| 600 | 621 |
if (n->tx_timer_active) {
|
| 601 | 622 |
qemu_mod_timer(n->tx_timer, |
| 602 | 623 |
qemu_get_clock(vm_clock) + TX_TIMER_INTERVAL); |
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