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net: set endianness on all backend devices 

commit 5be7d9f1b1
       vhost-net: tell tap backend about the vnet endianness

makes vhost net to set the endianness of the device, but only for
the first device.

In case of multiqueue, we have multiple devices... This patch sets the
endianness for all the devices of the interface.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Laurent Vivier 2016-01-13 20:26:25 +01:00 committed by Michael S. Tsirkin
parent 428c3ece97
commit a407644079
1 changed files with 11 additions and 12 deletions
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23
hw/net/vhost_net.c
View File

@ -298,21 +298,19 @@ int vhost_net_start(VirtIODevice *dev, NetClientState *ncs,
BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(dev)));
VirtioBusState *vbus = VIRTIO_BUS(qbus);
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(vbus);
int r, e, i;
int r, e, i, j;
if (!k->set_guest_notifiers) {
error_report("binding does not support guest notifiers");
r = -ENOSYS;
goto err;
return -ENOSYS;
}
r = vhost_net_set_vnet_endian(dev, ncs[0].peer, true);
if (r < 0) {
goto err;
}
for (i = 0; i < total_queues; i++) {
vhost_net_set_vq_index(get_vhost_net(ncs[i].peer), i * 2);
for (j = 0; j < total_queues; j++) {
r = vhost_net_set_vnet_endian(dev, ncs[j].peer, true);
if (r < 0) {
goto err_endian;
}
vhost_net_set_vq_index(get_vhost_net(ncs[j].peer), j * 2);
}
r = k->set_guest_notifiers(qbus->parent, total_queues * 2, true);
@ -341,8 +339,9 @@ err_start:
fflush(stderr);
}
err_endian:
vhost_net_set_vnet_endian(dev, ncs[0].peer, false);
err:
while (--j >= 0) {
vhost_net_set_vnet_endian(dev, ncs[j].peer, false);
}
return r;
}