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Diffstat (limited to 'hw/net/vhost_net.c')
-rw-r--r--hw/net/vhost_net.c52
1 files changed, 16 insertions, 36 deletions
diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index 3940a04b65..6e1032fc18 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -36,7 +36,6 @@
#include "standard-headers/linux/virtio_ring.h"
#include "hw/virtio/vhost.h"
#include "hw/virtio/virtio-bus.h"
-#include "hw/virtio/virtio-access.h"
struct vhost_net {
struct vhost_dev dev;
@@ -197,27 +196,6 @@ static void vhost_net_set_vq_index(struct vhost_net *net, int vq_index)
net->dev.vq_index = vq_index;
}
-static int vhost_net_set_vnet_endian(VirtIODevice *dev, NetClientState *peer,
- bool set)
-{
- int r = 0;
-
- if (virtio_vdev_has_feature(dev, VIRTIO_F_VERSION_1) ||
- (virtio_legacy_is_cross_endian(dev) && !virtio_is_big_endian(dev))) {
- r = qemu_set_vnet_le(peer, set);
- if (r) {
- error_report("backend does not support LE vnet headers");
- }
- } else if (virtio_legacy_is_cross_endian(dev)) {
- r = qemu_set_vnet_be(peer, set);
- if (r) {
- error_report("backend does not support BE vnet headers");
- }
- }
-
- return r;
-}
-
static int vhost_net_start_one(struct vhost_net *net,
VirtIODevice *dev)
{
@@ -298,25 +276,32 @@ 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, j;
+ int r, e, i;
if (!k->set_guest_notifiers) {
error_report("binding does not support guest notifiers");
return -ENOSYS;
}
- for (j = 0; j < total_queues; j++) {
- r = vhost_net_set_vnet_endian(dev, ncs[j].peer, true);
- if (r < 0) {
- goto err_endian;
+ for (i = 0; i < total_queues; i++) {
+ struct vhost_net *net;
+
+ net = get_vhost_net(ncs[i].peer);
+ vhost_net_set_vq_index(net, i * 2);
+
+ /* Suppress the masking guest notifiers on vhost user
+ * because vhost user doesn't interrupt masking/unmasking
+ * properly.
+ */
+ if (net->nc->info->type == NET_CLIENT_OPTIONS_KIND_VHOST_USER) {
+ dev->use_guest_notifier_mask = false;
}
- vhost_net_set_vq_index(get_vhost_net(ncs[j].peer), j * 2);
- }
+ }
r = k->set_guest_notifiers(qbus->parent, total_queues * 2, true);
if (r < 0) {
error_report("Error binding guest notifier: %d", -r);
- goto err_endian;
+ goto err;
}
for (i = 0; i < total_queues; i++) {
@@ -338,10 +323,7 @@ err_start:
fprintf(stderr, "vhost guest notifier cleanup failed: %d\n", e);
fflush(stderr);
}
-err_endian:
- while (--j >= 0) {
- vhost_net_set_vnet_endian(dev, ncs[j].peer, false);
- }
+err:
return r;
}
@@ -363,8 +345,6 @@ void vhost_net_stop(VirtIODevice *dev, NetClientState *ncs,
fflush(stderr);
}
assert(r >= 0);
-
- assert(vhost_net_set_vnet_endian(dev, ncs[0].peer, false) >= 0);
}
void vhost_net_cleanup(struct vhost_net *net)