2 * Copyright (c) 2010, 2011 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include "netdev-vport.h"
23 #include <sys/socket.h>
24 #include <linux/rtnetlink.h>
26 #include <sys/ioctl.h>
28 #include "byte-order.h"
32 #include "netdev-provider.h"
34 #include "netlink-socket.h"
36 #include "openvswitch/datapath-protocol.h"
37 #include "openvswitch/tunnel.h"
39 #include "rtnetlink.h"
40 #include "route-table.h"
41 #include "rtnetlink-link.h"
43 #include "socket-util.h"
46 VLOG_DEFINE_THIS_MODULE(netdev_vport);
48 static struct hmap name_map;
49 static struct rtnetlink_notifier netdev_vport_link_notifier;
52 struct hmap_node node; /* Node in name_map. */
53 uint32_t ifi_index; /* Kernel interface index. */
55 char ifname[IFNAMSIZ]; /* Interface name. */
58 struct netdev_vport_notifier {
59 struct netdev_notifier notifier;
60 struct list list_node;
61 struct shash_node *shash_node;
64 struct netdev_dev_vport {
65 struct netdev_dev netdev_dev;
66 uint64_t config[VPORT_CONFIG_SIZE / 8];
74 struct netdev_class netdev_class;
75 int (*parse_config)(const struct netdev_dev *, const struct shash *args,
79 static struct shash netdev_vport_notifiers =
80 SHASH_INITIALIZER(&netdev_vport_notifiers);
82 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
84 static int netdev_vport_do_ioctl(int cmd, void *arg);
85 static int netdev_vport_create(const struct netdev_class *, const char *,
86 const struct shash *, struct netdev_dev **);
87 static void netdev_vport_poll_notify(const struct netdev *);
89 static void netdev_vport_tnl_iface_init(void);
90 static void netdev_vport_link_change(const struct rtnetlink_link_change *,
92 static const char *netdev_vport_get_tnl_iface(const struct netdev *netdev);
95 is_vport_class(const struct netdev_class *class)
97 return class->create == netdev_vport_create;
100 static const struct vport_class *
101 vport_class_cast(const struct netdev_class *class)
103 assert(is_vport_class(class));
104 return CONTAINER_OF(class, struct vport_class, netdev_class);
107 static struct netdev_dev_vport *
108 netdev_dev_vport_cast(const struct netdev_dev *netdev_dev)
110 assert(is_vport_class(netdev_dev_get_class(netdev_dev)));
111 return CONTAINER_OF(netdev_dev, struct netdev_dev_vport, netdev_dev);
114 static struct netdev_vport *
115 netdev_vport_cast(const struct netdev *netdev)
117 struct netdev_dev *netdev_dev = netdev_get_dev(netdev);
118 assert(is_vport_class(netdev_dev_get_class(netdev_dev)));
119 return CONTAINER_OF(netdev, struct netdev_vport, netdev);
122 /* If 'netdev' is a vport netdev, copies its kernel configuration into
123 * 'config'. Otherwise leaves 'config' untouched. */
125 netdev_vport_get_config(const struct netdev *netdev, void *config)
127 const struct netdev_dev *dev = netdev_get_dev(netdev);
129 if (is_vport_class(netdev_dev_get_class(dev))) {
130 const struct netdev_dev_vport *vport = netdev_dev_vport_cast(dev);
131 memcpy(config, vport->config, VPORT_CONFIG_SIZE);
136 netdev_vport_init(void)
138 netdev_vport_tnl_iface_init();
139 route_table_register();
144 netdev_vport_create(const struct netdev_class *netdev_class, const char *name,
145 const struct shash *args,
146 struct netdev_dev **netdev_devp)
148 const struct vport_class *vport_class = vport_class_cast(netdev_class);
149 struct netdev_dev_vport *dev;
152 dev = xmalloc(sizeof *dev);
153 *netdev_devp = &dev->netdev_dev;
154 netdev_dev_init(&dev->netdev_dev, name, netdev_class);
156 memset(dev->config, 0, sizeof dev->config);
157 error = vport_class->parse_config(&dev->netdev_dev, args, dev->config);
160 netdev_dev_uninit(&dev->netdev_dev, true);
166 netdev_vport_destroy(struct netdev_dev *netdev_dev_)
168 struct netdev_dev_vport *netdev_dev = netdev_dev_vport_cast(netdev_dev_);
170 route_table_unregister();
175 netdev_vport_open(struct netdev_dev *netdev_dev_, int ethertype OVS_UNUSED,
176 struct netdev **netdevp)
178 struct netdev_vport *netdev;
180 netdev = xmalloc(sizeof *netdev);
181 netdev_init(&netdev->netdev, netdev_dev_);
183 *netdevp = &netdev->netdev;
188 netdev_vport_close(struct netdev *netdev_)
190 struct netdev_vport *netdev = netdev_vport_cast(netdev_);
195 netdev_vport_reconfigure(struct netdev_dev *dev_,
196 const struct shash *args)
198 const struct netdev_class *netdev_class = netdev_dev_get_class(dev_);
199 const struct vport_class *vport_class = vport_class_cast(netdev_class);
200 struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
201 struct odp_port port;
204 memset(&port, 0, sizeof port);
205 strncpy(port.devname, netdev_dev_get_name(dev_), sizeof port.devname);
206 strncpy(port.type, netdev_dev_get_type(dev_), sizeof port.type);
207 error = vport_class->parse_config(dev_, args, port.config);
208 if (!error && memcmp(port.config, dev->config, sizeof dev->config)) {
209 error = netdev_vport_do_ioctl(ODP_VPORT_MOD, &port);
210 if (!error || error == ENODEV) {
211 /* Either reconfiguration succeeded or this vport is not installed
212 * in the kernel (e.g. it hasn't been added to a dpif yet with
213 * dpif_port_add()). */
214 memcpy(dev->config, port.config, sizeof dev->config);
221 netdev_vport_set_etheraddr(struct netdev *netdev,
222 const uint8_t mac[ETH_ADDR_LEN])
224 struct odp_vport_ether vport_ether;
227 ovs_strlcpy(vport_ether.devname, netdev_get_name(netdev),
228 sizeof vport_ether.devname);
230 memcpy(vport_ether.ether_addr, mac, ETH_ADDR_LEN);
232 err = netdev_vport_do_ioctl(ODP_VPORT_ETHER_SET, &vport_ether);
237 netdev_vport_poll_notify(netdev);
242 netdev_vport_get_etheraddr(const struct netdev *netdev,
243 uint8_t mac[ETH_ADDR_LEN])
245 struct odp_vport_ether vport_ether;
248 ovs_strlcpy(vport_ether.devname, netdev_get_name(netdev),
249 sizeof vport_ether.devname);
251 err = netdev_vport_do_ioctl(ODP_VPORT_ETHER_GET, &vport_ether);
256 memcpy(mac, vport_ether.ether_addr, ETH_ADDR_LEN);
261 netdev_vport_get_mtu(const struct netdev *netdev, int *mtup)
263 struct odp_vport_mtu vport_mtu;
266 ovs_strlcpy(vport_mtu.devname, netdev_get_name(netdev),
267 sizeof vport_mtu.devname);
269 err = netdev_vport_do_ioctl(ODP_VPORT_MTU_GET, &vport_mtu);
274 *mtup = vport_mtu.mtu;
279 netdev_vport_get_stats(const struct netdev *netdev, struct netdev_stats *stats)
281 const char *name = netdev_get_name(netdev);
282 struct odp_vport_stats_req ovsr;
285 ovs_strlcpy(ovsr.devname, name, sizeof ovsr.devname);
286 err = netdev_vport_do_ioctl(ODP_VPORT_STATS_GET, &ovsr);
291 stats->rx_packets = ovsr.stats.rx_packets;
292 stats->tx_packets = ovsr.stats.tx_packets;
293 stats->rx_bytes = ovsr.stats.rx_bytes;
294 stats->tx_bytes = ovsr.stats.tx_bytes;
295 stats->rx_errors = ovsr.stats.rx_errors;
296 stats->tx_errors = ovsr.stats.tx_errors;
297 stats->rx_dropped = ovsr.stats.rx_dropped;
298 stats->tx_dropped = ovsr.stats.tx_dropped;
299 stats->multicast = ovsr.stats.multicast;
300 stats->collisions = ovsr.stats.collisions;
301 stats->rx_length_errors = ovsr.stats.rx_length_errors;
302 stats->rx_over_errors = ovsr.stats.rx_over_errors;
303 stats->rx_crc_errors = ovsr.stats.rx_crc_errors;
304 stats->rx_frame_errors = ovsr.stats.rx_frame_errors;
305 stats->rx_fifo_errors = ovsr.stats.rx_fifo_errors;
306 stats->rx_missed_errors = ovsr.stats.rx_missed_errors;
307 stats->tx_aborted_errors = ovsr.stats.tx_aborted_errors;
308 stats->tx_carrier_errors = ovsr.stats.tx_carrier_errors;
309 stats->tx_fifo_errors = ovsr.stats.tx_fifo_errors;
310 stats->tx_heartbeat_errors = ovsr.stats.tx_heartbeat_errors;
311 stats->tx_window_errors = ovsr.stats.tx_window_errors;
317 netdev_vport_set_stats(struct netdev *netdev, const struct netdev_stats *stats)
319 struct odp_vport_stats_req ovsr;
322 ovs_strlcpy(ovsr.devname, netdev_get_name(netdev), sizeof ovsr.devname);
324 ovsr.stats.rx_packets = stats->rx_packets;
325 ovsr.stats.tx_packets = stats->tx_packets;
326 ovsr.stats.rx_bytes = stats->rx_bytes;
327 ovsr.stats.tx_bytes = stats->tx_bytes;
328 ovsr.stats.rx_errors = stats->rx_errors;
329 ovsr.stats.tx_errors = stats->tx_errors;
330 ovsr.stats.rx_dropped = stats->rx_dropped;
331 ovsr.stats.tx_dropped = stats->tx_dropped;
332 ovsr.stats.multicast = stats->multicast;
333 ovsr.stats.collisions = stats->collisions;
334 ovsr.stats.rx_length_errors = stats->rx_length_errors;
335 ovsr.stats.rx_over_errors = stats->rx_over_errors;
336 ovsr.stats.rx_crc_errors = stats->rx_crc_errors;
337 ovsr.stats.rx_frame_errors = stats->rx_frame_errors;
338 ovsr.stats.rx_fifo_errors = stats->rx_fifo_errors;
339 ovsr.stats.rx_missed_errors = stats->rx_missed_errors;
340 ovsr.stats.tx_aborted_errors = stats->tx_aborted_errors;
341 ovsr.stats.tx_carrier_errors = stats->tx_carrier_errors;
342 ovsr.stats.tx_fifo_errors = stats->tx_fifo_errors;
343 ovsr.stats.tx_heartbeat_errors = stats->tx_heartbeat_errors;
344 ovsr.stats.tx_window_errors = stats->tx_window_errors;
346 err = netdev_vport_do_ioctl(ODP_VPORT_STATS_SET, &ovsr);
348 /* If the vport layer doesn't know about the device, that doesn't mean it
349 * doesn't exist (after all were able to open it when netdev_open() was
350 * called), it just means that it isn't attached and we'll be getting
351 * stats a different way. */
360 netdev_vport_get_status(const struct netdev *netdev, struct shash *sh)
362 const char *iface = netdev_vport_get_tnl_iface(netdev);
365 struct netdev *egress_netdev;
367 shash_add(sh, "tunnel_egress_iface", xstrdup(iface));
369 if (!netdev_open_default(iface, &egress_netdev)) {
370 shash_add(sh, "tunnel_egress_iface_carrier",
371 xstrdup(netdev_get_carrier(egress_netdev)
373 netdev_close(egress_netdev);
381 netdev_vport_update_flags(struct netdev *netdev OVS_UNUSED,
382 enum netdev_flags off, enum netdev_flags on OVS_UNUSED,
383 enum netdev_flags *old_flagsp)
385 if (off & (NETDEV_UP | NETDEV_PROMISC)) {
389 *old_flagsp = NETDEV_UP | NETDEV_PROMISC;
394 make_poll_name(const struct netdev *netdev)
396 return xasprintf("%s:%s", netdev_get_type(netdev), netdev_get_name(netdev));
400 netdev_vport_poll_add(struct netdev *netdev,
401 void (*cb)(struct netdev_notifier *), void *aux,
402 struct netdev_notifier **notifierp)
404 char *poll_name = make_poll_name(netdev);
405 struct netdev_vport_notifier *notifier;
407 struct shash_node *shash_node;
409 shash_node = shash_find_data(&netdev_vport_notifiers, poll_name);
411 list = xmalloc(sizeof *list);
413 shash_node = shash_add(&netdev_vport_notifiers, poll_name, list);
415 list = shash_node->data;
418 notifier = xmalloc(sizeof *notifier);
419 netdev_notifier_init(¬ifier->notifier, netdev, cb, aux);
420 list_push_back(list, ¬ifier->list_node);
421 notifier->shash_node = shash_node;
423 *notifierp = ¬ifier->notifier;
430 netdev_vport_poll_remove(struct netdev_notifier *notifier_)
432 struct netdev_vport_notifier *notifier =
433 CONTAINER_OF(notifier_, struct netdev_vport_notifier, notifier);
437 list = list_remove(¬ifier->list_node);
438 if (list_is_empty(list)) {
439 shash_delete(&netdev_vport_notifiers, notifier->shash_node);
447 netdev_vport_run(void)
449 rtnetlink_link_notifier_run();
454 netdev_vport_wait(void)
456 rtnetlink_link_notifier_wait();
460 /* get_tnl_iface() implementation. */
462 static struct name_node *
463 name_node_lookup(int ifi_index)
465 struct name_node *nn;
467 HMAP_FOR_EACH_WITH_HASH(nn, node, hash_int(ifi_index, 0), &name_map) {
468 if (nn->ifi_index == ifi_index) {
476 /* Queries the kernel for fresh data to populate the name map with. */
478 netdev_vport_reset_names(void)
482 struct rtgenmsg *rtmsg;
483 struct ofpbuf request, reply;
484 static struct nl_sock *rtnl_sock;
485 struct name_node *nn, *nn_next;
487 HMAP_FOR_EACH_SAFE(nn, nn_next, node, &name_map) {
488 hmap_remove(&name_map, &nn->node);
492 error = nl_sock_create(NETLINK_ROUTE, 0, 0, 0, &rtnl_sock);
494 VLOG_WARN_RL(&rl, "Failed to create NETLINK_ROUTE socket");
498 ofpbuf_init(&request, 0);
500 nl_msg_put_nlmsghdr(&request, sizeof *rtmsg, RTM_GETLINK, NLM_F_REQUEST);
502 rtmsg = ofpbuf_put_zeros(&request, sizeof *rtmsg);
503 rtmsg->rtgen_family = AF_INET;
505 nl_dump_start(&dump, rtnl_sock, &request);
507 while (nl_dump_next(&dump, &reply)) {
508 struct rtnetlink_link_change change;
510 if (rtnetlink_link_parse(&reply, &change)) {
511 netdev_vport_link_change(&change, NULL);
515 error = nl_dump_done(&dump);
516 nl_sock_destroy(rtnl_sock);
522 netdev_vport_link_change(const struct rtnetlink_link_change *change,
523 void *aux OVS_UNUSED)
527 netdev_vport_reset_names();
528 } else if (change->nlmsg_type == RTM_NEWLINK) {
529 struct name_node *nn;
531 if (name_node_lookup(change->ifi_index)) {
535 nn = xzalloc(sizeof *nn);
536 nn->ifi_index = change->ifi_index;
538 strncpy(nn->ifname, change->ifname, IFNAMSIZ);
539 nn->ifname[IFNAMSIZ - 1] = '\0';
541 hmap_insert(&name_map, &nn->node, hash_int(nn->ifi_index, 0));
542 } else if (change->nlmsg_type == RTM_DELLINK) {
543 struct name_node *nn;
545 nn = name_node_lookup(change->ifi_index);
548 hmap_remove(&name_map, &nn->node);
553 VLOG_WARN_RL(&rl, "Received unexpected rtnetlink message type %d",
559 netdev_vport_tnl_iface_init(void)
561 static bool tnl_iface_is_init = false;
563 if (!tnl_iface_is_init) {
564 hmap_init(&name_map);
566 rtnetlink_link_notifier_register(&netdev_vport_link_notifier,
567 netdev_vport_link_change, NULL);
569 netdev_vport_reset_names();
570 tnl_iface_is_init = true;
575 netdev_vport_get_tnl_iface(const struct netdev *netdev)
579 struct netdev_dev_vport *ndv;
580 struct tnl_port_config *config;
582 ndv = netdev_dev_vport_cast(netdev_get_dev(netdev));
583 config = (struct tnl_port_config *) ndv->config;
584 route = config->daddr;
586 if (route_table_get_ifindex(route, &ifindex)) {
587 struct name_node *nn;
588 HMAP_FOR_EACH_WITH_HASH(nn, node, hash_int(ifindex, 0), &name_map) {
589 if (nn->ifi_index == ifindex) {
598 /* Helper functions. */
601 netdev_vport_do_ioctl(int cmd, void *arg)
603 static int ioctl_fd = -1;
606 ioctl_fd = open("/dev/net/dp0", O_RDONLY | O_NONBLOCK);
608 VLOG_ERR_RL(&rl, "failed to open ioctl fd: %s", strerror(errno));
613 return ioctl(ioctl_fd, cmd, arg) ? errno : 0;
617 netdev_vport_poll_notify(const struct netdev *netdev)
619 char *poll_name = make_poll_name(netdev);
620 struct list *list = shash_find_data(&netdev_vport_notifiers,
624 struct netdev_vport_notifier *notifier;
626 LIST_FOR_EACH (notifier, list_node, list) {
627 struct netdev_notifier *n = ¬ifier->notifier;
635 /* Code specific to individual vport types. */
638 parse_tunnel_config(const struct netdev_dev *dev, const struct shash *args,
641 const char *name = netdev_dev_get_name(dev);
642 const char *type = netdev_dev_get_type(dev);
644 bool is_ipsec = false;
645 struct tnl_port_config config;
646 struct shash_node *node;
647 bool ipsec_mech_set = false;
649 memset(&config, 0, sizeof config);
650 config.flags |= TNL_F_PMTUD;
651 config.flags |= TNL_F_HDR_CACHE;
653 if (!strcmp(type, "gre")) {
655 } else if (!strcmp(type, "ipsec_gre")) {
659 config.flags |= TNL_F_IPSEC;
661 /* IPsec doesn't work when header caching is enabled. */
662 config.flags &= ~TNL_F_HDR_CACHE;
665 SHASH_FOR_EACH (node, args) {
666 if (!strcmp(node->name, "remote_ip")) {
667 struct in_addr in_addr;
668 if (lookup_ip(node->data, &in_addr)) {
669 VLOG_WARN("%s: bad %s 'remote_ip'", name, type);
671 config.daddr = in_addr.s_addr;
673 } else if (!strcmp(node->name, "local_ip")) {
674 struct in_addr in_addr;
675 if (lookup_ip(node->data, &in_addr)) {
676 VLOG_WARN("%s: bad %s 'local_ip'", name, type);
678 config.saddr = in_addr.s_addr;
680 } else if (!strcmp(node->name, "key") && is_gre) {
681 if (!strcmp(node->data, "flow")) {
682 config.flags |= TNL_F_IN_KEY_MATCH;
683 config.flags |= TNL_F_OUT_KEY_ACTION;
685 uint64_t key = strtoull(node->data, NULL, 0);
686 config.out_key = config.in_key = htonll(key);
688 } else if (!strcmp(node->name, "in_key") && is_gre) {
689 if (!strcmp(node->data, "flow")) {
690 config.flags |= TNL_F_IN_KEY_MATCH;
692 config.in_key = htonll(strtoull(node->data, NULL, 0));
694 } else if (!strcmp(node->name, "out_key") && is_gre) {
695 if (!strcmp(node->data, "flow")) {
696 config.flags |= TNL_F_OUT_KEY_ACTION;
698 config.out_key = htonll(strtoull(node->data, NULL, 0));
700 } else if (!strcmp(node->name, "tos")) {
701 if (!strcmp(node->data, "inherit")) {
702 config.flags |= TNL_F_TOS_INHERIT;
704 config.tos = atoi(node->data);
706 } else if (!strcmp(node->name, "ttl")) {
707 if (!strcmp(node->data, "inherit")) {
708 config.flags |= TNL_F_TTL_INHERIT;
710 config.ttl = atoi(node->data);
712 } else if (!strcmp(node->name, "csum") && is_gre) {
713 if (!strcmp(node->data, "true")) {
714 config.flags |= TNL_F_CSUM;
716 } else if (!strcmp(node->name, "pmtud")) {
717 if (!strcmp(node->data, "false")) {
718 config.flags &= ~TNL_F_PMTUD;
720 } else if (!strcmp(node->name, "header_cache")) {
721 if (!strcmp(node->data, "false")) {
722 config.flags &= ~TNL_F_HDR_CACHE;
724 } else if (!strcmp(node->name, "peer_cert") && is_ipsec) {
725 if (shash_find(args, "certificate")) {
726 ipsec_mech_set = true;
728 const char *use_ssl_cert;
730 /* If the "use_ssl_cert" is true, then "certificate" and
731 * "private_key" will be pulled from the SSL table. The
732 * use of this option is strongly discouraged, since it
733 * will like be removed when multiple SSL configurations
734 * are supported by OVS.
736 use_ssl_cert = shash_find_data(args, "use_ssl_cert");
737 if (!use_ssl_cert || strcmp(use_ssl_cert, "true")) {
738 VLOG_WARN("%s: 'peer_cert' requires 'certificate' argument",
742 ipsec_mech_set = true;
744 } else if (!strcmp(node->name, "psk") && is_ipsec) {
745 ipsec_mech_set = true;
747 && (!strcmp(node->name, "certificate")
748 || !strcmp(node->name, "private_key")
749 || !strcmp(node->name, "use_ssl_cert"))) {
750 /* Ignore options not used by the netdev. */
752 VLOG_WARN("%s: unknown %s argument '%s'",
753 name, type, node->name);
758 if (shash_find(args, "peer_cert") && shash_find(args, "psk")) {
759 VLOG_WARN("%s: cannot define both 'peer_cert' and 'psk'", name);
763 if (!ipsec_mech_set) {
764 VLOG_WARN("%s: IPsec requires an 'peer_cert' or psk' argument",
771 VLOG_WARN("%s: %s type requires valid 'remote_ip' argument",
776 BUILD_ASSERT(sizeof config <= VPORT_CONFIG_SIZE);
777 memcpy(configp, &config, sizeof config);
782 parse_patch_config(const struct netdev_dev *dev, const struct shash *args,
785 const char *name = netdev_dev_get_name(dev);
788 peer = shash_find_data(args, "peer");
790 VLOG_WARN("%s: patch type requires valid 'peer' argument", name);
794 if (shash_count(args) > 1) {
795 VLOG_WARN("%s: patch type takes only a 'peer' argument", name);
799 if (strlen(peer) >= MIN(IFNAMSIZ, VPORT_CONFIG_SIZE)) {
800 VLOG_WARN("%s: patch 'peer' arg too long", name);
804 if (!strcmp(name, peer)) {
805 VLOG_WARN("%s: patch peer must not be self", name);
809 strncpy(configp, peer, VPORT_CONFIG_SIZE);
814 #define VPORT_FUNCTIONS(GET_STATUS) \
819 netdev_vport_create, \
820 netdev_vport_destroy, \
821 netdev_vport_reconfigure, \
824 netdev_vport_close, \
826 NULL, /* enumerate */ \
829 NULL, /* recv_wait */ \
833 NULL, /* send_wait */ \
835 netdev_vport_set_etheraddr, \
836 netdev_vport_get_etheraddr, \
837 netdev_vport_get_mtu, \
838 NULL, /* get_ifindex */ \
839 NULL, /* get_carrier */ \
840 NULL, /* get_miimon */ \
841 netdev_vport_get_stats, \
842 netdev_vport_set_stats, \
844 NULL, /* get_features */ \
845 NULL, /* set_advertisements */ \
846 NULL, /* get_vlan_vid */ \
848 NULL, /* set_policing */ \
849 NULL, /* get_qos_types */ \
850 NULL, /* get_qos_capabilities */ \
851 NULL, /* get_qos */ \
852 NULL, /* set_qos */ \
853 NULL, /* get_queue */ \
854 NULL, /* set_queue */ \
855 NULL, /* delete_queue */ \
856 NULL, /* get_queue_stats */ \
857 NULL, /* dump_queues */ \
858 NULL, /* dump_queue_stats */ \
860 NULL, /* get_in4 */ \
861 NULL, /* set_in4 */ \
862 NULL, /* get_in6 */ \
863 NULL, /* add_router */ \
864 NULL, /* get_next_hop */ \
866 NULL, /* arp_lookup */ \
868 netdev_vport_update_flags, \
870 netdev_vport_poll_add, \
871 netdev_vport_poll_remove,
874 netdev_vport_register(void)
876 static const struct vport_class vport_classes[] = {
877 { { "gre", VPORT_FUNCTIONS(netdev_vport_get_status) },
878 parse_tunnel_config },
879 { { "ipsec_gre", VPORT_FUNCTIONS(netdev_vport_get_status) },
880 parse_tunnel_config },
881 { { "capwap", VPORT_FUNCTIONS(netdev_vport_get_status) },
882 parse_tunnel_config },
883 { { "patch", VPORT_FUNCTIONS(NULL) }, parse_patch_config }
888 for (i = 0; i < ARRAY_SIZE(vport_classes); i++) {
889 netdev_register_provider(&vport_classes[i].netdev_class);