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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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4
hw/xen_nic.c
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@ -236,7 +236,7 @@ static void net_rx_response(struct XenNetDev *netdev,
static int net_rx_ok(NetClientState *nc)
{
struct XenNetDev *netdev = DO_UPCAST(NICState, nc, nc)->opaque;
struct XenNetDev *netdev = qemu_get_nic_opaque(nc);
RING_IDX rc, rp;
if (netdev->xendev.be_state != XenbusStateConnected) {
@ -257,7 +257,7 @@ static int net_rx_ok(NetClientState *nc)
static ssize_t net_rx_packet(NetClientState *nc, const uint8_t *buf, size_t size)
{
struct XenNetDev *netdev = DO_UPCAST(NICState, nc, nc)->opaque;
struct XenNetDev *netdev = qemu_get_nic_opaque(nc);
netif_rx_request_t rxreq;
RING_IDX rc, rp;
void *page;