Revision e7b43f7e hw/virtio-net.c
| b/hw/virtio-net.c | ||
|---|---|---|
| 120 | 120 |
if (!n->vhost_started) {
|
| 121 | 121 |
int r = vhost_net_start(tap_get_vhost_net(n->nic->nc.peer), &n->vdev); |
| 122 | 122 |
if (r < 0) {
|
| 123 |
fprintf(stderr, "unable to start vhost net: %d: "
|
|
| 124 |
"falling back on userspace virtio\n", -r);
|
|
| 123 |
error_report("unable to start vhost net: %d: "
|
|
| 124 |
"falling back on userspace virtio", -r);
|
|
| 125 | 125 |
} else {
|
| 126 | 126 |
n->vhost_started = 1; |
| 127 | 127 |
} |
| ... | ... | |
| 271 | 271 |
uint8_t on; |
| 272 | 272 |
|
| 273 | 273 |
if (elem->out_num != 2 || elem->out_sg[1].iov_len != sizeof(on)) {
|
| 274 |
fprintf(stderr, "virtio-net ctrl invalid rx mode command\n");
|
|
| 274 |
error_report("virtio-net ctrl invalid rx mode command");
|
|
| 275 | 275 |
exit(1); |
| 276 | 276 |
} |
| 277 | 277 |
|
| ... | ... | |
| 353 | 353 |
uint16_t vid; |
| 354 | 354 |
|
| 355 | 355 |
if (elem->out_num != 2 || elem->out_sg[1].iov_len != sizeof(vid)) {
|
| 356 |
fprintf(stderr, "virtio-net ctrl invalid vlan command\n");
|
|
| 356 |
error_report("virtio-net ctrl invalid vlan command");
|
|
| 357 | 357 |
return VIRTIO_NET_ERR; |
| 358 | 358 |
} |
| 359 | 359 |
|
| ... | ... | |
| 381 | 381 |
|
| 382 | 382 |
while (virtqueue_pop(vq, &elem)) {
|
| 383 | 383 |
if ((elem.in_num < 1) || (elem.out_num < 1)) {
|
| 384 |
fprintf(stderr, "virtio-net ctrl missing headers\n");
|
|
| 384 |
error_report("virtio-net ctrl missing headers");
|
|
| 385 | 385 |
exit(1); |
| 386 | 386 |
} |
| 387 | 387 |
|
| 388 | 388 |
if (elem.out_sg[0].iov_len < sizeof(ctrl) || |
| 389 | 389 |
elem.in_sg[elem.in_num - 1].iov_len < sizeof(status)) {
|
| 390 |
fprintf(stderr, "virtio-net ctrl header not in correct element\n");
|
|
| 390 |
error_report("virtio-net ctrl header not in correct element");
|
|
| 391 | 391 |
exit(1); |
| 392 | 392 |
} |
| 393 | 393 |
|
| ... | ... | |
| 591 | 591 |
if (virtqueue_pop(n->rx_vq, &elem) == 0) {
|
| 592 | 592 |
if (i == 0) |
| 593 | 593 |
return -1; |
| 594 |
fprintf(stderr, "virtio-net unexpected empty queue: "
|
|
| 594 |
error_report("virtio-net unexpected empty queue: "
|
|
| 595 | 595 |
"i %zd mergeable %d offset %zd, size %zd, " |
| 596 |
"guest hdr len %zd, host hdr len %zd guest features 0x%x\n",
|
|
| 596 |
"guest hdr len %zd, host hdr len %zd guest features 0x%x", |
|
| 597 | 597 |
i, n->mergeable_rx_bufs, offset, size, |
| 598 | 598 |
guest_hdr_len, host_hdr_len, n->vdev.guest_features); |
| 599 | 599 |
exit(1); |
| 600 | 600 |
} |
| 601 | 601 |
|
| 602 | 602 |
if (elem.in_num < 1) {
|
| 603 |
fprintf(stderr, "virtio-net receive queue contains no in buffers\n");
|
|
| 603 |
error_report("virtio-net receive queue contains no in buffers");
|
|
| 604 | 604 |
exit(1); |
| 605 | 605 |
} |
| 606 | 606 |
|
| 607 | 607 |
if (!n->mergeable_rx_bufs && elem.in_sg[0].iov_len != guest_hdr_len) {
|
| 608 |
fprintf(stderr, "virtio-net header not in first element\n");
|
|
| 608 |
error_report("virtio-net header not in first element");
|
|
| 609 | 609 |
exit(1); |
| 610 | 610 |
} |
| 611 | 611 |
|
| ... | ... | |
| 630 | 630 |
* Otherwise, drop it. */ |
| 631 | 631 |
if (!n->mergeable_rx_bufs && offset < size) {
|
| 632 | 632 |
#if 0 |
| 633 |
fprintf(stderr, "virtio-net truncated non-mergeable packet: " |
|
| 634 |
|
|
| 635 |
"i %zd mergeable %d offset %zd, size %zd, " |
|
| 636 |
"guest hdr len %zd, host hdr len %zd\n", |
|
| 637 |
i, n->mergeable_rx_bufs, |
|
| 638 |
offset, size, guest_hdr_len, host_hdr_len); |
|
| 633 |
error_report("virtio-net truncated non-mergeable packet: "
|
|
| 634 |
"i %zd mergeable %d offset %zd, size %zd, " |
|
| 635 |
"guest hdr len %zd, host hdr len %zd", |
|
| 636 |
i, n->mergeable_rx_bufs, |
|
| 637 |
offset, size, guest_hdr_len, host_hdr_len); |
|
| 639 | 638 |
#endif |
| 640 | 639 |
return size; |
| 641 | 640 |
} |
| ... | ... | |
| 695 | 694 |
sizeof(struct virtio_net_hdr); |
| 696 | 695 |
|
| 697 | 696 |
if (out_num < 1 || out_sg->iov_len != hdr_len) {
|
| 698 |
fprintf(stderr, "virtio-net header not in first element\n");
|
|
| 697 |
error_report("virtio-net header not in first element");
|
|
| 699 | 698 |
exit(1); |
| 700 | 699 |
} |
| 701 | 700 |
|
| ... | ... | |
| 981 | 980 |
n->rx_vq = virtio_add_queue(&n->vdev, 256, virtio_net_handle_rx); |
| 982 | 981 |
|
| 983 | 982 |
if (net->tx && strcmp(net->tx, "timer") && strcmp(net->tx, "bh")) {
|
| 984 |
fprintf(stderr, "virtio-net: "
|
|
| 985 |
"Unknown option tx=%s, valid options: \"timer\" \"bh\"\n",
|
|
| 986 |
net->tx); |
|
| 987 |
fprintf(stderr, "Defaulting to \"bh\"\n");
|
|
| 983 |
error_report("virtio-net: "
|
|
| 984 |
"Unknown option tx=%s, valid options: \"timer\" \"bh\"",
|
|
| 985 |
net->tx);
|
|
| 986 |
error_report("Defaulting to \"bh\"");
|
|
| 988 | 987 |
} |
| 989 | 988 |
|
| 990 | 989 |
if (net->tx && !strcmp(net->tx, "timer")) {
|
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