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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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8
hw/cadence_gem.c
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@ -409,7 +409,7 @@ static int gem_can_receive(NetClientState *nc)
{
GemState *s;
s = DO_UPCAST(NICState, nc, nc)->opaque;
s = qemu_get_nic_opaque(nc);
DB_PRINT("\n");
@ -612,7 +612,7 @@ static ssize_t gem_receive(NetClientState *nc, const uint8_t *buf, size_t size)
uint8_t rxbuf[2048];
uint8_t *rxbuf_ptr;
s = DO_UPCAST(NICState, nc, nc)->opaque;
s = qemu_get_nic_opaque(nc);
/* Do nothing if receive is not enabled. */
if (!(s->regs[GEM_NWCTRL] & GEM_NWCTRL_RXENA)) {
@ -1152,7 +1152,7 @@ static const MemoryRegionOps gem_ops = {
static void gem_cleanup(NetClientState *nc)
{
GemState *s = DO_UPCAST(NICState, nc, nc)->opaque;
GemState *s = qemu_get_nic_opaque(nc);
DB_PRINT("\n");
s->nic = NULL;
@ -1161,7 +1161,7 @@ static void gem_cleanup(NetClientState *nc)
static void gem_set_link(NetClientState *nc)
{
DB_PRINT("\n");
phy_update_link(DO_UPCAST(NICState, nc, nc)->opaque);
phy_update_link(qemu_get_nic_opaque(nc));
}
static NetClientInfo net_gem_info = {