static void tap_send(void *opaque)
{
TAPState *s = opaque;
- uint8_t *buf = s->buf;
int size;
- size = tap_read_packet(s->fd, s->buf, sizeof(s->buf));
- if (size <= 0) {
- return;
- }
+ do {
+ uint8_t *buf = s->buf;
- if (s->has_vnet_hdr && !s->using_vnet_hdr) {
- buf += sizeof(struct virtio_net_hdr);
- size -= sizeof(struct virtio_net_hdr);
- }
+ size = tap_read_packet(s->fd, s->buf, sizeof(s->buf));
+ if (size <= 0) {
+ break;
+ }
- size = qemu_send_packet_async(s->vc, buf, size, tap_send_completed);
- if (size == 0) {
- tap_read_poll(s, 0);
- }
+ if (s->has_vnet_hdr && !s->using_vnet_hdr) {
+ buf += sizeof(struct virtio_net_hdr);
+ size -= sizeof(struct virtio_net_hdr);
+ }
+
+ size = qemu_send_packet_async(s->vc, buf, size, tap_send_completed);
+ if (size == 0) {
+ tap_read_poll(s, 0);
+ }
+ } while (size > 0 && qemu_can_send_packet(s->vc));
}
int tap_has_ufo(VLANClientState *vc)