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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/xgmac.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/xgmac.c')
-rw-r--r--hw/xgmac.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/xgmac.c b/hw/xgmac.c
index 4d7bb13ae1..50722988b9 100644
--- a/hw/xgmac.c
+++ b/hw/xgmac.c
@@ -310,7 +310,7 @@ static const MemoryRegionOps enet_mem_ops = {
 
 static int eth_can_rx(NetClientState *nc)
 {
-    struct XgmacState *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    struct XgmacState *s = qemu_get_nic_opaque(nc);
 
     /* RX enabled?  */
     return s->regs[DMA_CONTROL] & DMA_CONTROL_SR;
@@ -318,7 +318,7 @@ static int eth_can_rx(NetClientState *nc)
 
 static ssize_t eth_rx(NetClientState *nc, const uint8_t *buf, size_t size)
 {
-    struct XgmacState *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    struct XgmacState *s = qemu_get_nic_opaque(nc);
     static const unsigned char sa_bcast[6] = {0xff, 0xff, 0xff,
                                               0xff, 0xff, 0xff};
     int unicast, broadcast, multicast;
@@ -366,7 +366,7 @@ out:
 
 static void eth_cleanup(NetClientState *nc)
 {
-    struct XgmacState *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    struct XgmacState *s = qemu_get_nic_opaque(nc);
     s->nic = NULL;
 }