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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/xgmac.c
View file

@ -310,7 +310,7 @@ static const MemoryRegionOps enet_mem_ops = {
static int eth_can_rx(NetClientState *nc)
{
struct XgmacState *s = DO_UPCAST(NICState, nc, nc)->opaque;
struct XgmacState *s = qemu_get_nic_opaque(nc);
/* RX enabled? */
return s->regs[DMA_CONTROL] & DMA_CONTROL_SR;
@ -318,7 +318,7 @@ static int eth_can_rx(NetClientState *nc)
static ssize_t eth_rx(NetClientState *nc, const uint8_t *buf, size_t size)
{
struct XgmacState *s = DO_UPCAST(NICState, nc, nc)->opaque;
struct XgmacState *s = qemu_get_nic_opaque(nc);
static const unsigned char sa_bcast[6] = {0xff, 0xff, 0xff,
0xff, 0xff, 0xff};
int unicast, broadcast, multicast;
@ -366,7 +366,7 @@ out:
static void eth_cleanup(NetClientState *nc)
{
struct XgmacState *s = DO_UPCAST(NICState, nc, nc)->opaque;
struct XgmacState *s = qemu_get_nic_opaque(nc);
s->nic = NULL;
}