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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/usb/dev-network.c
View file

@ -1261,7 +1261,7 @@ static void usb_net_handle_data(USBDevice *dev, USBPacket *p)
static ssize_t usbnet_receive(NetClientState *nc, const uint8_t *buf, size_t size)
{
USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
USBNetState *s = qemu_get_nic_opaque(nc);
uint8_t *in_buf = s->in_buf;
size_t total_size = size;
@ -1308,7 +1308,7 @@ static ssize_t usbnet_receive(NetClientState *nc, const uint8_t *buf, size_t siz
static int usbnet_can_receive(NetClientState *nc)
{
USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
USBNetState *s = qemu_get_nic_opaque(nc);
if (is_rndis(s) && s->rndis_state != RNDIS_DATA_INITIALIZED) {
return 1;
@ -1319,7 +1319,7 @@ static int usbnet_can_receive(NetClientState *nc)
static void usbnet_cleanup(NetClientState *nc)
{
USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
USBNetState *s = qemu_get_nic_opaque(nc);
s->nic = NULL;
}