net: return status from qemu_deliver_packet()
Will allow qemu_send_packet() handle queue full condition.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
diff --git a/net.c b/net.c
index 8403120..e48b0fe 100644
--- a/net.c
+++ b/net.c
@@ -409,16 +409,30 @@
return 0;
}
-static void
+static int
qemu_deliver_packet(VLANClientState *sender, const uint8_t *buf, int size)
{
VLANClientState *vc;
+ int ret = -1;
for (vc = sender->vlan->first_client; vc != NULL; vc = vc->next) {
- if (vc != sender && !vc->link_down) {
- vc->receive(vc, buf, size);
+ ssize_t len;
+
+ if (vc == sender) {
+ continue;
}
+
+ if (vc->link_down) {
+ ret = size;
+ continue;
+ }
+
+ len = vc->receive(vc, buf, size);
+
+ ret = (ret >= 0) ? ret : len;
}
+
+ return ret;
}
void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size)