net: introduce qemu_get_queue()

To support multiqueue, the patch introduce a helper qemu_get_queue()
which is used to get the NetClientState of a device. 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>

1 files changed, 4 insertions, 3 deletions

diff --git a/hw/pcnet.c b/hw/pcnet.c
index 30f100007a..2126e22ffa 100644
--- a/hw/pcnet.c
+++ b/hw/pcnet.c
@@ -1261,11 +1261,12 @@ static void pcnet_transmit(PCNetState *s)
                 if (BCR_SWSTYLE(s) == 1)
                     add_crc = !GET_FIELD(tmd.status, TMDS, NOFCS);
                 s->looptest = add_crc ? PCNET_LOOPTEST_CRC : PCNET_LOOPTEST_NOCRC;
-                pcnet_receive(&s->nic->nc, s->buffer, s->xmit_pos);
+                pcnet_receive(qemu_get_queue(s->nic), s->buffer, s->xmit_pos);
                 s->looptest = 0;
             } else
                 if (s->nic)
-                    qemu_send_packet(&s->nic->nc, s->buffer, s->xmit_pos);
+                    qemu_send_packet(qemu_get_queue(s->nic), s->buffer,
+                                     s->xmit_pos);
 
             s->csr[0] &= ~0x0008;   /* clear TDMD */
             s->csr[4] |= 0x0004;    /* set TXSTRT */
@@ -1730,7 +1731,7 @@ int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info)
 
     qemu_macaddr_default_if_unset(&s->conf.macaddr);
     s->nic = qemu_new_nic(info, &s->conf, object_get_typename(OBJECT(dev)), dev->id, s);
-    qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
+    qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
 
     add_boot_device_path(s->conf.bootindex, dev, "/ethernet-phy@0");