Function vhost_user_get_queue_num

dpdk/lib/vhost/vhost_user.c:310–325

* The queue number that we support are requested. */

 * The queue number that we support are requested.
 */
static int
vhost_user_get_queue_num(struct virtio_net **pdev,
			struct vhu_msg_context *ctx,
			int main_fd __rte_unused)
{
	struct virtio_net *dev = *pdev;
	uint32_t queue_num = 0;

	rte_vhost_driver_get_queue_num(dev->ifname, &queue_num);

	ctx->msg.payload.u64 = (uint64_t)queue_num;
	ctx->msg.size = sizeof(ctx->msg.payload.u64);
	ctx->fd_num = 0;

	return RTE_VHOST_MSG_RESULT_REPLY;
}

/*
 * We receive the negotiated features supported by us and the virtio device.