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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/pcnet.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/pcnet.c')
-rw-r--r--hw/pcnet.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/pcnet.c b/hw/pcnet.c
index 2126e22ffa..e0de1e3458 100644
--- a/hw/pcnet.c
+++ b/hw/pcnet.c
@@ -1006,7 +1006,7 @@ static int pcnet_tdte_poll(PCNetState *s)
 
 int pcnet_can_receive(NetClientState *nc)
 {
-    PCNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    PCNetState *s = qemu_get_nic_opaque(nc);
     if (CSR_STOP(s) || CSR_SPND(s))
         return 0;
 
@@ -1017,7 +1017,7 @@ int pcnet_can_receive(NetClientState *nc)
 
 ssize_t pcnet_receive(NetClientState *nc, const uint8_t *buf, size_t size_)
 {
-    PCNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    PCNetState *s = qemu_get_nic_opaque(nc);
     int is_padr = 0, is_bcast = 0, is_ladr = 0;
     uint8_t buf1[60];
     int remaining;
@@ -1199,7 +1199,7 @@ ssize_t pcnet_receive(NetClientState *nc, const uint8_t *buf, size_t size_)
 
 void pcnet_set_link_status(NetClientState *nc)
 {
-    PCNetState *d = DO_UPCAST(NICState, nc, nc)->opaque;
+    PCNetState *d = qemu_get_nic_opaque(nc);
 
     d->lnkst = nc->link_down ? 0 : 0x40;
 }