Merge remote-tracking branch 'stefanha/net' into staging

# By Alasdair McLeay (1) and Stefan Hajnoczi (1)
# Via Stefan Hajnoczi
* stefanha/net:
  rtl8139: flush queued packets when RxBufPtr is written
  net: support for bridged networking on Mac OS X

Message-id: 1369406295-20411-1-git-send-email-stefanha@redhat.com
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

hw/net/rtl8139.c

@@ -2575,6 +2575,9 @@ static void rtl8139_RxBufPtr_write(RTL8139State *s, uint32_t val)
     /* this value is off by 16 */
     s->RxBufPtr = MOD2(val + 0x10, s->RxBufferSize);
 
+    /* more buffer space may be available so try to receive */
+    qemu_flush_queued_packets(qemu_get_queue(s->nic));
+
     DPRINTF(" CAPR write: rx buffer length %d head 0x%04x read 0x%04x\n",
         s->RxBufferSize, s->RxBufAddr, s->RxBufPtr);
 }

net/tap-bsd.c

@@ -44,7 +44,8 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
     struct stat s;
 #endif
 
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__)
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
+    defined(__OpenBSD__) || defined(__APPLE__)
     /* if no ifname is given, always start the search from tap0/tun0. */
     int i;
     char dname[100];