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authorJason Wang <jasowang@redhat.com>2013-01-30 19:12:23 +0800
committerAnthony Liguori <aliguori@us.ibm.com>2013-02-01 11:03:00 -0600
commitcc1f0f45425d0cca41ad421623f92bebc93a21a9 (patch)
tree8015fb30e1da7eab59fbbf236f790500a47cbea0 /hw/opencores_eth.c
parentb356f76de31e343121cdab3a01b39182edce9519 (diff)
net: introduce qemu_get_nic()
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>
Diffstat (limited to 'hw/opencores_eth.c')
-rw-r--r--hw/opencores_eth.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/opencores_eth.c b/hw/opencores_eth.c
index 2496d4eba1..f9ba5eeaba 100644
--- a/hw/opencores_eth.c
+++ b/hw/opencores_eth.c
@@ -313,7 +313,7 @@ static void open_eth_int_source_write(OpenEthState *s,
static void open_eth_set_link_status(NetClientState *nc)
{
- OpenEthState *s = DO_UPCAST(NICState, nc, nc)->opaque;
+ OpenEthState *s = qemu_get_nic_opaque(nc);
if (GET_REGBIT(s, MIICOMMAND, SCANSTAT)) {
SET_REGFIELD(s, MIISTATUS, LINKFAIL, nc->link_down);
@@ -344,7 +344,7 @@ static void open_eth_reset(void *opaque)
static int open_eth_can_receive(NetClientState *nc)
{
- OpenEthState *s = DO_UPCAST(NICState, nc, nc)->opaque;
+ OpenEthState *s = qemu_get_nic_opaque(nc);
return GET_REGBIT(s, MODER, RXEN) &&
(s->regs[TX_BD_NUM] < 0x80) &&
@@ -354,7 +354,7 @@ static int open_eth_can_receive(NetClientState *nc)
static ssize_t open_eth_receive(NetClientState *nc,
const uint8_t *buf, size_t size)
{
- OpenEthState *s = DO_UPCAST(NICState, nc, nc)->opaque;
+ OpenEthState *s = qemu_get_nic_opaque(nc);
size_t maxfl = GET_REGFIELD(s, PACKETLEN, MAXFL);
size_t minfl = GET_REGFIELD(s, PACKETLEN, MINFL);
size_t fcsl = 4;