-static int
-netdev_vport_get_config(struct netdev_dev *dev_, struct shash *args)
-{
- const struct netdev_class *netdev_class = netdev_dev_get_class(dev_);
- const struct vport_class *vport_class = vport_class_cast(netdev_class);
- struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
- const char *name = netdev_dev_get_name(dev_);
- int error;
-
- if (!dev->options) {
- struct dpif_linux_vport reply;
- struct ofpbuf *buf;
-
- error = dpif_linux_vport_get(name, &reply, &buf);
- if (error) {
- VLOG_ERR_RL(&rl, "%s: vport query failed (%s)",
- name, strerror(error));
- return error;
- }
-
- dev->options = ofpbuf_clone_data(reply.options, reply.options_len);
- dev->dp_ifindex = reply.dp_ifindex;
- dev->port_no = reply.port_no;
- ofpbuf_delete(buf);
- }
-
- error = vport_class->unparse_config(name, netdev_class->type,
- dev->options->data,
- dev->options->size,
- args);
- if (error) {
- VLOG_ERR_RL(&rl, "%s: failed to parse kernel config (%s)",
- name, strerror(error));
- }
- return error;
-}
-
-static int
-netdev_vport_set_config(struct netdev_dev *dev_, const struct shash *args)
-{
- const struct netdev_class *netdev_class = netdev_dev_get_class(dev_);
- const struct vport_class *vport_class = vport_class_cast(netdev_class);
- struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
- const char *name = netdev_dev_get_name(dev_);
- struct ofpbuf *options;
- int error;
-
- options = ofpbuf_new(64);
- error = vport_class->parse_config(name, netdev_dev_get_type(dev_),
- args, options);
- if (!error
- && (!dev->options
- || options->size != dev->options->size
- || memcmp(options->data, dev->options->data, options->size))) {
- struct dpif_linux_vport vport;
-
- dpif_linux_vport_init(&vport);
- vport.cmd = OVS_VPORT_CMD_SET;
- vport.name = name;
- vport.options = options->data;
- vport.options_len = options->size;
- error = dpif_linux_vport_transact(&vport, NULL, NULL);
- if (!error || error == ENODEV) {
- /* Either reconfiguration succeeded or this vport is not installed
- * in the kernel (e.g. it hasn't been added to a dpif yet with
- * dpif_port_add()). */
- ofpbuf_delete(dev->options);
- dev->options = options;
- options = NULL;
- error = 0;
- }
- }
- ofpbuf_delete(options);
-
- return error;
-}
-
-static int
-netdev_vport_send(struct netdev *netdev, const void *data, size_t size)
-{
- struct netdev_dev *dev_ = netdev_get_dev(netdev);
- struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
-
- if (dev->dp_ifindex == -1) {
- const char *name = netdev_get_name(netdev);
- struct dpif_linux_vport reply;
- struct ofpbuf *buf;
- int error;
-
- error = dpif_linux_vport_get(name, &reply, &buf);
- if (error) {
- VLOG_ERR_RL(&rl, "%s: failed to query vport for send (%s)",
- name, strerror(error));
- return error;
- }
- dev->dp_ifindex = reply.dp_ifindex;
- dev->port_no = reply.port_no;
- ofpbuf_delete(buf);
- }
-
- return dpif_linux_vport_send(dev->dp_ifindex, dev->port_no, data, size);
-}
-