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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/mcf_fec.c
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@ -353,13 +353,13 @@ static void mcf_fec_write(void *opaque, hwaddr addr,
static int mcf_fec_can_receive(NetClientState *nc)
{
mcf_fec_state *s = DO_UPCAST(NICState, nc, nc)->opaque;
mcf_fec_state *s = qemu_get_nic_opaque(nc);
return s->rx_enabled;
}
static ssize_t mcf_fec_receive(NetClientState *nc, const uint8_t *buf, size_t size)
{
mcf_fec_state *s = DO_UPCAST(NICState, nc, nc)->opaque;
mcf_fec_state *s = qemu_get_nic_opaque(nc);
mcf_fec_bd bd;
uint32_t flags = 0;
uint32_t addr;
@ -441,7 +441,7 @@ static const MemoryRegionOps mcf_fec_ops = {
static void mcf_fec_cleanup(NetClientState *nc)
{
mcf_fec_state *s = DO_UPCAST(NICState, nc, nc)->opaque;
mcf_fec_state *s = qemu_get_nic_opaque(nc);
memory_region_del_subregion(s->sysmem, &s->iomem);
memory_region_destroy(&s->iomem);