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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/etraxfs_eth.c
parentb356f76de31e343121cdab3a01b39182edce9519 (diff)
downloadfocaccia-qemu-cc1f0f45425d0cca41ad421623f92bebc93a21a9.tar.gz
focaccia-qemu-cc1f0f45425d0cca41ad421623f92bebc93a21a9.zip
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/etraxfs_eth.c')
-rw-r--r--hw/etraxfs_eth.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/etraxfs_eth.c b/hw/etraxfs_eth.c
index 7c4d5880ac..ad36411193 100644
--- a/hw/etraxfs_eth.c
+++ b/hw/etraxfs_eth.c
@@ -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;