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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/ne2000.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/ne2000.c')
-rw-r--r--hw/ne2000.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/ne2000.c b/hw/ne2000.c
index 03c420998b..c989190c0e 100644
--- a/hw/ne2000.c
+++ b/hw/ne2000.c
@@ -167,7 +167,7 @@ static int ne2000_buffer_full(NE2000State *s)
 
 int ne2000_can_receive(NetClientState *nc)
 {
-    NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    NE2000State *s = qemu_get_nic_opaque(nc);
 
     if (s->cmd & E8390_STOP)
         return 1;
@@ -178,7 +178,7 @@ int ne2000_can_receive(NetClientState *nc)
 
 ssize_t ne2000_receive(NetClientState *nc, const uint8_t *buf, size_t size_)
 {
-    NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    NE2000State *s = qemu_get_nic_opaque(nc);
     int size = size_;
     uint8_t *p;
     unsigned int total_len, next, avail, len, index, mcast_idx;
@@ -706,7 +706,7 @@ void ne2000_setup_io(NE2000State *s, unsigned size)
 
 static void ne2000_cleanup(NetClientState *nc)
 {
-    NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
+    NE2000State *s = qemu_get_nic_opaque(nc);
 
     s->nic = NULL;
 }