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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/pcnet.c
View file

@ -1006,7 +1006,7 @@ static int pcnet_tdte_poll(PCNetState *s)
int pcnet_can_receive(NetClientState *nc)
{
PCNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
PCNetState *s = qemu_get_nic_opaque(nc);
if (CSR_STOP(s) || CSR_SPND(s))
return 0;
@ -1017,7 +1017,7 @@ int pcnet_can_receive(NetClientState *nc)
ssize_t pcnet_receive(NetClientState *nc, const uint8_t *buf, size_t size_)
{
PCNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
PCNetState *s = qemu_get_nic_opaque(nc);
int is_padr = 0, is_bcast = 0, is_ladr = 0;
uint8_t buf1[60];
int remaining;
@ -1199,7 +1199,7 @@ ssize_t pcnet_receive(NetClientState *nc, const uint8_t *buf, size_t size_)
void pcnet_set_link_status(NetClientState *nc)
{
PCNetState *d = DO_UPCAST(NICState, nc, nc)->opaque;
PCNetState *d = qemu_get_nic_opaque(nc);
d->lnkst = nc->link_down ? 0 : 0x40;
}