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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/stellaris_enet.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/stellaris_enet.c')
-rw-r--r--hw/stellaris_enet.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/stellaris_enet.c b/hw/stellaris_enet.c
index 99d473006e..6c701fb67b 100644
--- a/hw/stellaris_enet.c
+++ b/hw/stellaris_enet.c
@@ -80,7 +80,7 @@ static void stellaris_enet_update(stellaris_enet_state *s)
 /* TODO: Implement MAC address filtering.  */
 static ssize_t stellaris_enet_receive(NetClientState *nc, const uint8_t *buf, size_t size)
 {
-    stellaris_enet_state *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    stellaris_enet_state *s = qemu_get_nic_opaque(nc);
     int n;
     uint8_t *p;
     uint32_t crc;
@@ -122,7 +122,7 @@ static ssize_t stellaris_enet_receive(NetClientState *nc, const uint8_t *buf, si
 
 static int stellaris_enet_can_receive(NetClientState *nc)
 {
-    stellaris_enet_state *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    stellaris_enet_state *s = qemu_get_nic_opaque(nc);
 
     if ((s->rctl & SE_RCTL_RXEN) == 0)
         return 1;
@@ -384,7 +384,7 @@ static int stellaris_enet_load(QEMUFile *f, void *opaque, int version_id)
 
 static void stellaris_enet_cleanup(NetClientState *nc)
 {
-    stellaris_enet_state *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    stellaris_enet_state *s = qemu_get_nic_opaque(nc);
 
     unregister_savevm(&s->busdev.qdev, "stellaris_enet", s);