Function vhost_user_add_connection

dpdk/lib/vhost/socket.c:211–296

}

static void
vhost_user_add_connection(int fd, struct vhost_user_socket *vsocket)
{
	int vid;
	size_t size;
	struct vhost_user_connection *conn;
	int ret;
	struct virtio_net *dev;

	if (vsocket == NULL)
		return;

	conn = malloc(sizeof(*conn));
	if (conn == NULL) {
		close(fd);
		return;
	}

	vid = vhost_user_new_device();
	if (vid == -1) {
		goto err;
	}

	size = strnlen(vsocket->path, PATH_MAX);
	vhost_set_ifname(vid, vsocket->path, size);

	vhost_setup_virtio_net(vid, vsocket->use_builtin_virtio_net,
		vsocket->net_compliant_ol_flags, vsocket->stats_enabled,
		vsocket->iommu_support);

	vhost_attach_vdpa_device(vid, vsocket->vdpa_dev);

	if (vsocket->extbuf)
		vhost_enable_extbuf(vid);

	if (vsocket->linearbuf)
		vhost_enable_linearbuf(vid);

	if (vsocket->async_copy) {
		dev = get_device(vid);

		if (dev)
			dev->async_copy = 1;
	}

	VHOST_LOG_CONFIG(vsocket->path, INFO, "new device, handle is %d\n", vid);

	if (vsocket->notify_ops->new_connection) {
		ret = vsocket->notify_ops->new_connection(vid);
		if (ret < 0) {
			VHOST_LOG_CONFIG(vsocket->path, ERR,
				"failed to add vhost user connection with fd %d\n",
				fd);
			goto err_cleanup;
		}
	}

	conn->connfd = fd;