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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/mipsnet.c
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@ -64,7 +64,7 @@ static int mipsnet_buffer_full(MIPSnetState *s)
static int mipsnet_can_receive(NetClientState *nc)
{
MIPSnetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
MIPSnetState *s = qemu_get_nic_opaque(nc);
if (s->busy)
return 0;
@ -73,7 +73,7 @@ static int mipsnet_can_receive(NetClientState *nc)
static ssize_t mipsnet_receive(NetClientState *nc, const uint8_t *buf, size_t size)
{
MIPSnetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
MIPSnetState *s = qemu_get_nic_opaque(nc);
trace_mipsnet_receive(size);
if (!mipsnet_can_receive(nc))
@ -211,7 +211,7 @@ static const VMStateDescription vmstate_mipsnet = {
static void mipsnet_cleanup(NetClientState *nc)
{
MIPSnetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
MIPSnetState *s = qemu_get_nic_opaque(nc);
s->nic = NULL;
}