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net: introduce qemu_get_nic()

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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>
This commit is contained in:
Jason Wang 2013-01-30 19:12:23 +08:00 • committed by Anthony Liguori
parent b356f76de3
commit cc1f0f4542
28 changed files with 92 additions and 78 deletions
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6
hw/stellaris_enet.c
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@ -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);