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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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20
net/net.c
View file

@ -227,7 +227,7 @@ NICState *qemu_new_nic(NetClientInfo *info,
nc = qemu_new_net_client(info, conf->peer, model, name);
nic = DO_UPCAST(NICState, nc, nc);
nic = qemu_get_nic(nc);
nic->conf = conf;
nic->opaque = opaque;
@ -239,6 +239,18 @@ NetClientState *qemu_get_queue(NICState *nic)
return &nic->nc;
}
NICState *qemu_get_nic(NetClientState *nc)
{
return DO_UPCAST(NICState, nc, nc);
}
void *qemu_get_nic_opaque(NetClientState *nc)
{
NICState *nic = qemu_get_nic(nc);
return nic->opaque;
}
static void qemu_cleanup_net_client(NetClientState *nc)
{
QTAILQ_REMOVE(&net_clients, nc, next);
@ -265,7 +277,7 @@ void qemu_del_net_client(NetClientState *nc)
{
/* If there is a peer NIC, delete and cleanup client, but do not free. */
if (nc->peer && nc->peer->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
NICState *nic = DO_UPCAST(NICState, nc, nc->peer);
NICState *nic = qemu_get_nic(nc->peer);
if (nic->peer_deleted) {
return;
}
@ -281,7 +293,7 @@ void qemu_del_net_client(NetClientState *nc)
/* If this is a peer NIC and peer has already been deleted, free it now. */
if (nc->peer && nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
NICState *nic = DO_UPCAST(NICState, nc, nc);
NICState *nic = qemu_get_nic(nc);
if (nic->peer_deleted) {
qemu_free_net_client(nc->peer);
}
@ -297,7 +309,7 @@ void qemu_foreach_nic(qemu_nic_foreach func, void *opaque)
QTAILQ_FOREACH(nc, &net_clients, next) {
if (nc->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
func(DO_UPCAST(NICState, nc, nc), opaque);
func(qemu_get_nic(nc), opaque);
}
}
}