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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/etraxfs_eth.c
View file

@ -523,7 +523,7 @@ static int eth_can_receive(NetClientState *nc)
static ssize_t eth_receive(NetClientState *nc, const uint8_t *buf, size_t size)
{
unsigned char sa_bcast[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
struct fs_eth *eth = DO_UPCAST(NICState, nc, nc)->opaque;
struct fs_eth *eth = qemu_get_nic_opaque(nc);
int use_ma0 = eth->regs[RW_REC_CTRL] & 1;
int use_ma1 = eth->regs[RW_REC_CTRL] & 2;
int r_bcast = eth->regs[RW_REC_CTRL] & 8;
@ -561,7 +561,7 @@ static int eth_tx_push(void *opaque, unsigned char *buf, int len, bool eop)
static void eth_set_link(NetClientState *nc)
{
struct fs_eth *eth = DO_UPCAST(NICState, nc, nc)->opaque;
struct fs_eth *eth = qemu_get_nic_opaque(nc);
D(printf("%s %d\n", __func__, nc->link_down));
eth->phy.link = !nc->link_down;
}
@ -578,7 +578,7 @@ static const MemoryRegionOps eth_ops = {
static void eth_cleanup(NetClientState *nc)
{
struct fs_eth *eth = DO_UPCAST(NICState, nc, nc)->opaque;
struct fs_eth *eth = qemu_get_nic_opaque(nc);
/* Disconnect the client. */
eth->dma_out->client.push = NULL;