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vhost_net: do not assume nvqs is always 2

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This patch switches to initialize dev.nvqs from the VhostNetOptions
instead of assuming it was 2. This is useful for implementing control
virtqueue support which will be a single vhost_net structure with a
single cvq.

Note that nvqs is still set to 2 for all users and this patch does not
change functionality.

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20210903091031.47303-6-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jason Wang
2021-09-03 17:10:15 +08:00
committed by Michael S. Tsirkin
parent 5fc13603a6
commit 6a756d1495
5 changed files with 5 additions and 1 deletions
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1
net/tap.c
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@ -749,6 +749,7 @@ static void net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
qemu_set_nonblock(vhostfd);
}
options.opaque = (void *)(uintptr_t)vhostfd;
options.nvqs = 2;
s->vhost_net = vhost_net_init(&options);
if (!s->vhost_net) {