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net: introduce qemu_get_queue()

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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>
This commit is contained in:
Jason Wang 2013-01-30 19:12:22 +08:00 • committed by Anthony Liguori
parent 28a65891a0
commit b356f76de3
28 changed files with 140 additions and 115 deletions
Download patch file Download diff file Expand all files Collapse all files

13
hw/xen_nic.c
View file

@ -185,9 +185,11 @@ static void net_tx_packets(struct XenNetDev *netdev)
}
memcpy(tmpbuf, page + txreq.offset, txreq.size);
net_checksum_calculate(tmpbuf, txreq.size);
qemu_send_packet(&netdev->nic->nc, tmpbuf, txreq.size);
qemu_send_packet(qemu_get_queue(netdev->nic), tmpbuf,
txreq.size);
} else {
qemu_send_packet(&netdev->nic->nc, page + txreq.offset, txreq.size);
qemu_send_packet(qemu_get_queue(netdev->nic),
page + txreq.offset, txreq.size);
}
xc_gnttab_munmap(netdev->xendev.gnttabdev, page, 1);
net_tx_response(netdev, &txreq, NETIF_RSP_OKAY);
@ -329,7 +331,8 @@ static int net_init(struct XenDevice *xendev)
netdev->nic = qemu_new_nic(&net_xen_info, &netdev->conf,
"xen", NULL, netdev);
snprintf(netdev->nic->nc.info_str, sizeof(netdev->nic->nc.info_str),
snprintf(qemu_get_queue(netdev->nic)->info_str,
sizeof(qemu_get_queue(netdev->nic)->info_str),
"nic: xenbus vif macaddr=%s", netdev->mac);
/* fill info */
@ -405,7 +408,7 @@ static void net_disconnect(struct XenDevice *xendev)
netdev->rxs = NULL;
}
if (netdev->nic) {
qemu_del_net_client(&netdev->nic->nc);
qemu_del_net_client(qemu_get_queue(netdev->nic));
netdev->nic = NULL;
}
}
@ -414,7 +417,7 @@ static void net_event(struct XenDevice *xendev)
{
struct XenNetDev *netdev = container_of(xendev, struct XenNetDev, xendev);
net_tx_packets(netdev);
qemu_flush_queued_packets(&netdev->nic->nc);
qemu_flush_queued_packets(qemu_get_queue(netdev->nic));
}
static int net_free(struct XenDevice *xendev)