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-rw-r--r--net.c24
1 files changed, 20 insertions, 4 deletions
diff --git a/net.c b/net.c
index e7f5138343..4cf27be99c 100644
--- a/net.c
+++ b/net.c
@@ -1079,15 +1079,31 @@ static ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen)
}
#endif
+static void tap_send(void *opaque);
+
+static void tap_send_completed(VLANClientState *vc)
+{
+ TAPState *s = vc->opaque;
+
+ qemu_set_fd_handler2(s->fd, tap_can_send, tap_send, NULL, s);
+}
+
static void tap_send(void *opaque)
{
TAPState *s = opaque;
int size;
- size = tap_read_packet(s->fd, s->buf, sizeof(s->buf));
- if (size > 0) {
- qemu_send_packet(s->vc, s->buf, size);
- }
+ do {
+ size = tap_read_packet(s->fd, s->buf, sizeof(s->buf));
+ if (size <= 0) {
+ break;
+ }
+
+ size = qemu_send_packet_async(s->vc, s->buf, size, tap_send_completed);
+ if (size == 0) {
+ qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
+ }
+ } while (size > 0);
}
static void tap_cleanup(VLANClientState *vc)