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authorJason Wang <jasowang@redhat.com>2013-01-30 19:12:23 +0800
committerAnthony Liguori <aliguori@us.ibm.com>2013-02-01 11:03:00 -0600
commitcc1f0f45425d0cca41ad421623f92bebc93a21a9 (patch)
tree8015fb30e1da7eab59fbbf236f790500a47cbea0 /hw/rtl8139.c
parentb356f76de31e343121cdab3a01b39182edce9519 (diff)
downloadfocaccia-qemu-cc1f0f45425d0cca41ad421623f92bebc93a21a9.tar.gz
focaccia-qemu-cc1f0f45425d0cca41ad421623f92bebc93a21a9.zip
net: introduce qemu_get_nic()
To support multiqueue, this patch introduces a helper qemu_get_nic() to get
NICState from a NetClientState. The following patches would refactor this helper
to support multiqueue.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/rtl8139.c')
-rw-r--r--hw/rtl8139.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/rtl8139.c b/hw/rtl8139.c
index 22d24ae6af..b825e83f0b 100644
--- a/hw/rtl8139.c
+++ b/hw/rtl8139.c
@@ -786,7 +786,7 @@ static bool rtl8139_cp_rx_valid(RTL8139State *s)
 
 static int rtl8139_can_receive(NetClientState *nc)
 {
-    RTL8139State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    RTL8139State *s = qemu_get_nic_opaque(nc);
     int avail;
 
     /* Receive (drop) packets if card is disabled.  */
@@ -808,7 +808,7 @@ static int rtl8139_can_receive(NetClientState *nc)
 
 static ssize_t rtl8139_do_receive(NetClientState *nc, const uint8_t *buf, size_t size_, int do_interrupt)
 {
-    RTL8139State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    RTL8139State *s = qemu_get_nic_opaque(nc);
     /* size is the length of the buffer passed to the driver */
     int size = size_;
     const uint8_t *dot1q_buf = NULL;
@@ -3429,7 +3429,7 @@ static void rtl8139_timer(void *opaque)
 
 static void rtl8139_cleanup(NetClientState *nc)
 {
-    RTL8139State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    RTL8139State *s = qemu_get_nic_opaque(nc);
 
     s->nic = NULL;
 }
@@ -3451,7 +3451,7 @@ static void pci_rtl8139_uninit(PCIDevice *dev)
 
 static void rtl8139_set_link_status(NetClientState *nc)
 {
-    RTL8139State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    RTL8139State *s = qemu_get_nic_opaque(nc);
 
     if (nc->link_down) {
         s->BasicModeStatus &= ~0x04;