2 * Copyright (c) 2010 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 "rtnetlink-route.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 hmap route_map;
50 static struct rtnetlink_notifier netdev_vport_link_notifier;
51 static struct rtnetlink_notifier netdev_vport_route_notifier;
54 struct hmap_node node; /* Node in route_map. */
55 int rta_oif; /* Egress interface index. */
56 uint32_t rta_dst; /* Destination address in host byte order. */
57 unsigned char rtm_dst_len; /* Destination address length. */
61 struct hmap_node node; /* Node in name_map. */
62 uint32_t ifi_index; /* Kernel interface index. */
64 char ifname[IFNAMSIZ]; /* Interface name. */
67 struct netdev_vport_notifier {
68 struct netdev_notifier notifier;
69 struct list list_node;
70 struct shash_node *shash_node;
73 struct netdev_dev_vport {
74 struct netdev_dev netdev_dev;
75 uint64_t config[VPORT_CONFIG_SIZE / 8];
83 struct netdev_class netdev_class;
84 int (*parse_config)(const struct netdev_dev *, const struct shash *args,
88 static struct shash netdev_vport_notifiers =
89 SHASH_INITIALIZER(&netdev_vport_notifiers);
91 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
93 static int netdev_vport_do_ioctl(int cmd, void *arg);
94 static int netdev_vport_create(const struct netdev_class *, const char *,
95 const struct shash *, struct netdev_dev **);
96 static void netdev_vport_poll_notify(const struct netdev *);
98 static void netdev_vport_tnl_iface_init(void);
99 static void netdev_vport_route_change(const struct rtnetlink_route_change *,
101 static void netdev_vport_link_change(const struct rtnetlink_link_change *,
103 static const char *netdev_vport_get_tnl_iface(const struct netdev *netdev);
106 is_vport_class(const struct netdev_class *class)
108 return class->create == netdev_vport_create;
111 static const struct vport_class *
112 vport_class_cast(const struct netdev_class *class)
114 assert(is_vport_class(class));
115 return CONTAINER_OF(class, struct vport_class, netdev_class);
118 static struct netdev_dev_vport *
119 netdev_dev_vport_cast(const struct netdev_dev *netdev_dev)
121 assert(is_vport_class(netdev_dev_get_class(netdev_dev)));
122 return CONTAINER_OF(netdev_dev, struct netdev_dev_vport, netdev_dev);
125 static struct netdev_vport *
126 netdev_vport_cast(const struct netdev *netdev)
128 struct netdev_dev *netdev_dev = netdev_get_dev(netdev);
129 assert(is_vport_class(netdev_dev_get_class(netdev_dev)));
130 return CONTAINER_OF(netdev, struct netdev_vport, netdev);
133 /* If 'netdev' is a vport netdev, copies its kernel configuration into
134 * 'config'. Otherwise leaves 'config' untouched. */
136 netdev_vport_get_config(const struct netdev *netdev, void *config)
138 const struct netdev_dev *dev = netdev_get_dev(netdev);
140 if (is_vport_class(netdev_dev_get_class(dev))) {
141 const struct netdev_dev_vport *vport = netdev_dev_vport_cast(dev);
142 memcpy(config, vport->config, VPORT_CONFIG_SIZE);
147 netdev_vport_init(void)
149 netdev_vport_tnl_iface_init();
154 netdev_vport_create(const struct netdev_class *netdev_class, const char *name,
155 const struct shash *args,
156 struct netdev_dev **netdev_devp)
158 const struct vport_class *vport_class = vport_class_cast(netdev_class);
159 struct netdev_dev_vport *dev;
162 dev = xmalloc(sizeof *dev);
163 *netdev_devp = &dev->netdev_dev;
164 netdev_dev_init(&dev->netdev_dev, name, netdev_class);
166 memset(dev->config, 0, sizeof dev->config);
167 error = vport_class->parse_config(&dev->netdev_dev, args, dev->config);
170 netdev_dev_uninit(&dev->netdev_dev, true);
176 netdev_vport_destroy(struct netdev_dev *netdev_dev_)
178 struct netdev_dev_vport *netdev_dev = netdev_dev_vport_cast(netdev_dev_);
184 netdev_vport_open(struct netdev_dev *netdev_dev_, int ethertype OVS_UNUSED,
185 struct netdev **netdevp)
187 struct netdev_vport *netdev;
189 netdev = xmalloc(sizeof *netdev);
190 netdev_init(&netdev->netdev, netdev_dev_);
192 *netdevp = &netdev->netdev;
197 netdev_vport_close(struct netdev *netdev_)
199 struct netdev_vport *netdev = netdev_vport_cast(netdev_);
204 netdev_vport_reconfigure(struct netdev_dev *dev_,
205 const struct shash *args)
207 const struct netdev_class *netdev_class = netdev_dev_get_class(dev_);
208 const struct vport_class *vport_class = vport_class_cast(netdev_class);
209 struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
210 struct odp_port port;
213 memset(&port, 0, sizeof port);
214 strncpy(port.devname, netdev_dev_get_name(dev_), sizeof port.devname);
215 strncpy(port.type, netdev_dev_get_type(dev_), sizeof port.type);
216 error = vport_class->parse_config(dev_, args, port.config);
217 if (!error && memcmp(port.config, dev->config, sizeof dev->config)) {
218 error = netdev_vport_do_ioctl(ODP_VPORT_MOD, &port);
219 if (!error || error == ENODEV) {
220 /* Either reconfiguration succeeded or this vport is not installed
221 * in the kernel (e.g. it hasn't been added to a dpif yet with
222 * dpif_port_add()). */
223 memcpy(dev->config, port.config, sizeof dev->config);
230 netdev_vport_set_etheraddr(struct netdev *netdev,
231 const uint8_t mac[ETH_ADDR_LEN])
233 struct odp_vport_ether vport_ether;
236 ovs_strlcpy(vport_ether.devname, netdev_get_name(netdev),
237 sizeof vport_ether.devname);
239 memcpy(vport_ether.ether_addr, mac, ETH_ADDR_LEN);
241 err = netdev_vport_do_ioctl(ODP_VPORT_ETHER_SET, &vport_ether);
246 netdev_vport_poll_notify(netdev);
251 netdev_vport_get_etheraddr(const struct netdev *netdev,
252 uint8_t mac[ETH_ADDR_LEN])
254 struct odp_vport_ether vport_ether;
257 ovs_strlcpy(vport_ether.devname, netdev_get_name(netdev),
258 sizeof vport_ether.devname);
260 err = netdev_vport_do_ioctl(ODP_VPORT_ETHER_GET, &vport_ether);
265 memcpy(mac, vport_ether.ether_addr, ETH_ADDR_LEN);
270 netdev_vport_get_mtu(const struct netdev *netdev, int *mtup)
272 struct odp_vport_mtu vport_mtu;
275 ovs_strlcpy(vport_mtu.devname, netdev_get_name(netdev),
276 sizeof vport_mtu.devname);
278 err = netdev_vport_do_ioctl(ODP_VPORT_MTU_GET, &vport_mtu);
283 *mtup = vport_mtu.mtu;
288 netdev_vport_get_stats(const struct netdev *netdev, struct netdev_stats *stats)
290 const char *name = netdev_get_name(netdev);
291 struct odp_vport_stats_req ovsr;
294 ovs_strlcpy(ovsr.devname, name, sizeof ovsr.devname);
295 err = netdev_vport_do_ioctl(ODP_VPORT_STATS_GET, &ovsr);
300 stats->rx_packets = ovsr.stats.rx_packets;
301 stats->tx_packets = ovsr.stats.tx_packets;
302 stats->rx_bytes = ovsr.stats.rx_bytes;
303 stats->tx_bytes = ovsr.stats.tx_bytes;
304 stats->rx_errors = ovsr.stats.rx_errors;
305 stats->tx_errors = ovsr.stats.tx_errors;
306 stats->rx_dropped = ovsr.stats.rx_dropped;
307 stats->tx_dropped = ovsr.stats.tx_dropped;
308 stats->multicast = ovsr.stats.multicast;
309 stats->collisions = ovsr.stats.collisions;
310 stats->rx_length_errors = ovsr.stats.rx_length_errors;
311 stats->rx_over_errors = ovsr.stats.rx_over_errors;
312 stats->rx_crc_errors = ovsr.stats.rx_crc_errors;
313 stats->rx_frame_errors = ovsr.stats.rx_frame_errors;
314 stats->rx_fifo_errors = ovsr.stats.rx_fifo_errors;
315 stats->rx_missed_errors = ovsr.stats.rx_missed_errors;
316 stats->tx_aborted_errors = ovsr.stats.tx_aborted_errors;
317 stats->tx_carrier_errors = ovsr.stats.tx_carrier_errors;
318 stats->tx_fifo_errors = ovsr.stats.tx_fifo_errors;
319 stats->tx_heartbeat_errors = ovsr.stats.tx_heartbeat_errors;
320 stats->tx_window_errors = ovsr.stats.tx_window_errors;
326 netdev_vport_set_stats(struct netdev *netdev, const struct netdev_stats *stats)
328 struct odp_vport_stats_req ovsr;
331 ovs_strlcpy(ovsr.devname, netdev_get_name(netdev), sizeof ovsr.devname);
333 ovsr.stats.rx_packets = stats->rx_packets;
334 ovsr.stats.tx_packets = stats->tx_packets;
335 ovsr.stats.rx_bytes = stats->rx_bytes;
336 ovsr.stats.tx_bytes = stats->tx_bytes;
337 ovsr.stats.rx_errors = stats->rx_errors;
338 ovsr.stats.tx_errors = stats->tx_errors;
339 ovsr.stats.rx_dropped = stats->rx_dropped;
340 ovsr.stats.tx_dropped = stats->tx_dropped;
341 ovsr.stats.multicast = stats->multicast;
342 ovsr.stats.collisions = stats->collisions;
343 ovsr.stats.rx_length_errors = stats->rx_length_errors;
344 ovsr.stats.rx_over_errors = stats->rx_over_errors;
345 ovsr.stats.rx_crc_errors = stats->rx_crc_errors;
346 ovsr.stats.rx_frame_errors = stats->rx_frame_errors;
347 ovsr.stats.rx_fifo_errors = stats->rx_fifo_errors;
348 ovsr.stats.rx_missed_errors = stats->rx_missed_errors;
349 ovsr.stats.tx_aborted_errors = stats->tx_aborted_errors;
350 ovsr.stats.tx_carrier_errors = stats->tx_carrier_errors;
351 ovsr.stats.tx_fifo_errors = stats->tx_fifo_errors;
352 ovsr.stats.tx_heartbeat_errors = stats->tx_heartbeat_errors;
353 ovsr.stats.tx_window_errors = stats->tx_window_errors;
355 err = netdev_vport_do_ioctl(ODP_VPORT_STATS_SET, &ovsr);
357 /* If the vport layer doesn't know about the device, that doesn't mean it
358 * doesn't exist (after all were able to open it when netdev_open() was
359 * called), it just means that it isn't attached and we'll be getting
360 * stats a different way. */
369 netdev_vport_get_status(const struct netdev *netdev, struct shash *sh)
371 const char *iface = netdev_vport_get_tnl_iface(netdev);
374 shash_add(sh, "tunnel_egress_iface", xstrdup(iface));
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();
450 rtnetlink_route_notifier_run();
454 netdev_vport_wait(void)
456 rtnetlink_link_notifier_wait();
457 rtnetlink_route_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 static struct route_node *
477 route_node_lookup(int rta_oif, uint32_t rta_dst, unsigned char rtm_dst_len)
480 struct route_node *rn;
482 hash = hash_3words(rta_oif, rta_dst, rtm_dst_len);
483 HMAP_FOR_EACH_WITH_HASH(rn, node, hash, &route_map) {
484 if (rn->rta_oif == rn->rta_oif &&
485 rn->rta_dst == rn->rta_dst &&
486 rn->rtm_dst_len == rn->rtm_dst_len) {
494 /* Resets the name or route map depending on the value of 'is_name'. Clears
495 * the appropriate map, makes an rtnetlink dump request, and calls the change
496 * callback for each reply from the kernel. One should probably use
497 * netdev_vport_reset_routes or netdev_vport_reset_names instead. */
499 netdev_vport_reset_name_else_route(bool is_name)
504 struct rtgenmsg *rtmsg;
505 struct ofpbuf request, reply;
506 static struct nl_sock *rtnl_sock;
509 struct name_node *nn, *nn_next;
511 HMAP_FOR_EACH_SAFE(nn, nn_next, node, &name_map) {
512 hmap_remove(&name_map, &nn->node);
516 struct route_node *rn, *rn_next;
518 HMAP_FOR_EACH_SAFE(rn, rn_next, node, &route_map) {
519 hmap_remove(&route_map, &rn->node);
524 error = nl_sock_create(NETLINK_ROUTE, 0, 0, 0, &rtnl_sock);
526 VLOG_WARN_RL(&rl, "Failed to create NETLINK_ROUTE socket");
530 ofpbuf_init(&request, 0);
532 nlmsg_type = is_name ? RTM_GETLINK : RTM_GETROUTE;
533 nl_msg_put_nlmsghdr(&request, sizeof *rtmsg, nlmsg_type, NLM_F_REQUEST);
535 rtmsg = ofpbuf_put_zeros(&request, sizeof *rtmsg);
536 rtmsg->rtgen_family = AF_INET;
538 nl_dump_start(&dump, rtnl_sock, &request);
540 while (nl_dump_next(&dump, &reply)) {
542 struct rtnetlink_link_change change;
544 if (rtnetlink_link_parse(&reply, &change)) {
545 netdev_vport_link_change(&change, NULL);
548 struct rtnetlink_route_change change;
550 if (rtnetlink_route_parse(&reply, &change)) {
551 netdev_vport_route_change(&change, NULL);
556 error = nl_dump_done(&dump);
557 nl_sock_destroy(rtnl_sock);
563 netdev_vport_reset_routes(void)
565 return netdev_vport_reset_name_else_route(false);
569 netdev_vport_reset_names(void)
571 return netdev_vport_reset_name_else_route(true);
575 netdev_vport_route_change(const struct rtnetlink_route_change *change,
576 void *aux OVS_UNUSED)
580 netdev_vport_reset_routes();
581 } else if (change->nlmsg_type == RTM_NEWROUTE) {
583 struct route_node *rn;
585 if (route_node_lookup(change->rta_oif, change->rta_dst,
586 change->rtm_dst_len)) {
590 rn = xzalloc(sizeof *rn);
591 rn->rta_oif = change->rta_oif;
592 rn->rta_dst = change->rta_dst;
593 rn->rtm_dst_len = change->rtm_dst_len;
595 hash = hash_3words(rn->rta_oif, rn->rta_dst, rn->rtm_dst_len);
596 hmap_insert(&route_map, &rn->node, hash);
597 } else if (change->nlmsg_type == RTM_DELROUTE) {
598 struct route_node *rn;
600 rn = route_node_lookup(change->rta_oif, change->rta_dst,
601 change->rtm_dst_len);
604 hmap_remove(&route_map, &rn->node);
608 VLOG_WARN_RL(&rl, "Received unexpected rtnetlink message type %d",
614 netdev_vport_link_change(const struct rtnetlink_link_change *change,
615 void *aux OVS_UNUSED)
619 netdev_vport_reset_names();
620 } else if (change->nlmsg_type == RTM_NEWLINK) {
621 struct name_node *nn;
623 if (name_node_lookup(change->ifi_index)) {
627 nn = xzalloc(sizeof *nn);
628 nn->ifi_index = change->ifi_index;
630 strncpy(nn->ifname, change->ifname, IFNAMSIZ);
631 nn->ifname[IFNAMSIZ - 1] = '\0';
633 hmap_insert(&name_map, &nn->node, hash_int(nn->ifi_index, 0));
634 } else if (change->nlmsg_type == RTM_DELLINK) {
635 struct name_node *nn;
637 nn = name_node_lookup(change->ifi_index);
640 hmap_remove(&name_map, &nn->node);
644 /* Link deletions do not result in all of the RTM_DELROUTE messages one
645 * would expect. For now, go ahead and reset route_map whenever a link
647 netdev_vport_reset_routes();
649 VLOG_WARN_RL(&rl, "Received unexpected rtnetlink message type %d",
655 netdev_vport_tnl_iface_init(void)
657 static bool tnl_iface_is_init = false;
659 if (!tnl_iface_is_init) {
660 hmap_init(&name_map);
661 hmap_init(&route_map);
663 rtnetlink_link_notifier_register(&netdev_vport_link_notifier,
664 netdev_vport_link_change, NULL);
666 rtnetlink_route_notifier_register(&netdev_vport_route_notifier,
667 netdev_vport_route_change, NULL);
669 netdev_vport_reset_names();
670 netdev_vport_reset_routes();
671 tnl_iface_is_init = true;
676 netdev_vport_get_tnl_iface(const struct netdev *netdev)
680 struct netdev_dev_vport *ndv;
681 struct tnl_port_config *config;
682 struct route_node *rn, *rn_def, *rn_iter;
684 ndv = netdev_dev_vport_cast(netdev_get_dev(netdev));
685 config = (struct tnl_port_config *) ndv->config;
686 route = ntohl(config->daddr);
692 HMAP_FOR_EACH(rn_iter, node, &route_map) {
693 if (rn_iter->rtm_dst_len == 0 && rn_iter->rta_dst == 0) {
696 } else if (rn_iter->rtm_dst_len > dst_len) {
697 uint32_t mask = 0xffffffff << (32 - rn_iter->rtm_dst_len);
698 if ((route & mask) == (rn_iter->rta_dst & mask)) {
700 dst_len = rn_iter->rtm_dst_len;
711 struct name_node *nn;
713 hash = hash_int(rn->rta_oif, 0);
714 HMAP_FOR_EACH_WITH_HASH(nn, node, hash, &name_map) {
715 if (nn->ifi_index == rn->rta_oif) {
724 /* Helper functions. */
727 netdev_vport_do_ioctl(int cmd, void *arg)
729 static int ioctl_fd = -1;
732 ioctl_fd = open("/dev/net/dp0", O_RDONLY | O_NONBLOCK);
734 VLOG_ERR_RL(&rl, "failed to open ioctl fd: %s", strerror(errno));
739 return ioctl(ioctl_fd, cmd, arg) ? errno : 0;
743 netdev_vport_poll_notify(const struct netdev *netdev)
745 char *poll_name = make_poll_name(netdev);
746 struct list *list = shash_find_data(&netdev_vport_notifiers,
750 struct netdev_vport_notifier *notifier;
752 LIST_FOR_EACH (notifier, list_node, list) {
753 struct netdev_notifier *n = ¬ifier->notifier;
761 /* Code specific to individual vport types. */
764 parse_tunnel_config(const struct netdev_dev *dev, const struct shash *args,
767 const char *name = netdev_dev_get_name(dev);
768 const char *type = netdev_dev_get_type(dev);
770 bool is_ipsec = false;
771 struct tnl_port_config config;
772 struct shash_node *node;
773 bool ipsec_mech_set = false;
775 memset(&config, 0, sizeof config);
776 config.flags |= TNL_F_PMTUD;
777 config.flags |= TNL_F_HDR_CACHE;
779 if (!strcmp(type, "gre")) {
781 } else if (!strcmp(type, "ipsec_gre")) {
785 config.flags |= TNL_F_IPSEC;
787 /* IPsec doesn't work when header caching is enabled. */
788 config.flags &= ~TNL_F_HDR_CACHE;
791 SHASH_FOR_EACH (node, args) {
792 if (!strcmp(node->name, "remote_ip")) {
793 struct in_addr in_addr;
794 if (lookup_ip(node->data, &in_addr)) {
795 VLOG_WARN("%s: bad %s 'remote_ip'", name, type);
797 config.daddr = in_addr.s_addr;
799 } else if (!strcmp(node->name, "local_ip")) {
800 struct in_addr in_addr;
801 if (lookup_ip(node->data, &in_addr)) {
802 VLOG_WARN("%s: bad %s 'local_ip'", name, type);
804 config.saddr = in_addr.s_addr;
806 } else if (!strcmp(node->name, "key") && is_gre) {
807 if (!strcmp(node->data, "flow")) {
808 config.flags |= TNL_F_IN_KEY_MATCH;
809 config.flags |= TNL_F_OUT_KEY_ACTION;
811 uint64_t key = strtoull(node->data, NULL, 0);
812 config.out_key = config.in_key = htonll(key);
814 } else if (!strcmp(node->name, "in_key") && is_gre) {
815 if (!strcmp(node->data, "flow")) {
816 config.flags |= TNL_F_IN_KEY_MATCH;
818 config.in_key = htonll(strtoull(node->data, NULL, 0));
820 } else if (!strcmp(node->name, "out_key") && is_gre) {
821 if (!strcmp(node->data, "flow")) {
822 config.flags |= TNL_F_OUT_KEY_ACTION;
824 config.out_key = htonll(strtoull(node->data, NULL, 0));
826 } else if (!strcmp(node->name, "tos")) {
827 if (!strcmp(node->data, "inherit")) {
828 config.flags |= TNL_F_TOS_INHERIT;
830 config.tos = atoi(node->data);
832 } else if (!strcmp(node->name, "ttl")) {
833 if (!strcmp(node->data, "inherit")) {
834 config.flags |= TNL_F_TTL_INHERIT;
836 config.ttl = atoi(node->data);
838 } else if (!strcmp(node->name, "csum") && is_gre) {
839 if (!strcmp(node->data, "true")) {
840 config.flags |= TNL_F_CSUM;
842 } else if (!strcmp(node->name, "pmtud")) {
843 if (!strcmp(node->data, "false")) {
844 config.flags &= ~TNL_F_PMTUD;
846 } else if (!strcmp(node->name, "header_cache")) {
847 if (!strcmp(node->data, "false")) {
848 config.flags &= ~TNL_F_HDR_CACHE;
850 } else if (!strcmp(node->name, "peer_cert") && is_ipsec) {
851 if (shash_find(args, "certificate")) {
852 ipsec_mech_set = true;
854 const char *use_ssl_cert;
856 /* If the "use_ssl_cert" is true, then "certificate" and
857 * "private_key" will be pulled from the SSL table. The
858 * use of this option is strongly discouraged, since it
859 * will like be removed when multiple SSL configurations
860 * are supported by OVS.
862 use_ssl_cert = shash_find_data(args, "use_ssl_cert");
863 if (!use_ssl_cert || strcmp(use_ssl_cert, "true")) {
864 VLOG_WARN("%s: 'peer_cert' requires 'certificate' argument",
868 ipsec_mech_set = true;
870 } else if (!strcmp(node->name, "psk") && is_ipsec) {
871 ipsec_mech_set = true;
873 && (!strcmp(node->name, "certificate")
874 || !strcmp(node->name, "private_key")
875 || !strcmp(node->name, "use_ssl_cert"))) {
876 /* Ignore options not used by the netdev. */
878 VLOG_WARN("%s: unknown %s argument '%s'",
879 name, type, node->name);
884 if (shash_find(args, "peer_cert") && shash_find(args, "psk")) {
885 VLOG_WARN("%s: cannot define both 'peer_cert' and 'psk'", name);
889 if (!ipsec_mech_set) {
890 VLOG_WARN("%s: IPsec requires an 'peer_cert' or psk' argument",
897 VLOG_WARN("%s: %s type requires valid 'remote_ip' argument",
902 BUILD_ASSERT(sizeof config <= VPORT_CONFIG_SIZE);
903 memcpy(configp, &config, sizeof config);
908 parse_patch_config(const struct netdev_dev *dev, const struct shash *args,
911 const char *name = netdev_dev_get_name(dev);
914 peer = shash_find_data(args, "peer");
916 VLOG_WARN("%s: patch type requires valid 'peer' argument", name);
920 if (shash_count(args) > 1) {
921 VLOG_WARN("%s: patch type takes only a 'peer' argument", name);
925 if (strlen(peer) >= MIN(IFNAMSIZ, VPORT_CONFIG_SIZE)) {
926 VLOG_WARN("%s: patch 'peer' arg too long", name);
930 if (!strcmp(name, peer)) {
931 VLOG_WARN("%s: patch peer must not be self", name);
935 strncpy(configp, peer, VPORT_CONFIG_SIZE);
940 #define VPORT_FUNCTIONS(GET_STATUS) \
945 netdev_vport_create, \
946 netdev_vport_destroy, \
947 netdev_vport_reconfigure, \
950 netdev_vport_close, \
952 NULL, /* enumerate */ \
955 NULL, /* recv_wait */ \
959 NULL, /* send_wait */ \
961 netdev_vport_set_etheraddr, \
962 netdev_vport_get_etheraddr, \
963 netdev_vport_get_mtu, \
964 NULL, /* get_ifindex */ \
965 NULL, /* get_carrier */ \
966 netdev_vport_get_stats, \
967 netdev_vport_set_stats, \
969 NULL, /* get_features */ \
970 NULL, /* set_advertisements */ \
971 NULL, /* get_vlan_vid */ \
973 NULL, /* set_policing */ \
974 NULL, /* get_qos_types */ \
975 NULL, /* get_qos_capabilities */ \
976 NULL, /* get_qos */ \
977 NULL, /* set_qos */ \
978 NULL, /* get_queue */ \
979 NULL, /* set_queue */ \
980 NULL, /* delete_queue */ \
981 NULL, /* get_queue_stats */ \
982 NULL, /* dump_queues */ \
983 NULL, /* dump_queue_stats */ \
985 NULL, /* get_in4 */ \
986 NULL, /* set_in4 */ \
987 NULL, /* get_in6 */ \
988 NULL, /* add_router */ \
989 NULL, /* get_next_hop */ \
991 NULL, /* arp_lookup */ \
993 netdev_vport_update_flags, \
995 netdev_vport_poll_add, \
996 netdev_vport_poll_remove,
999 netdev_vport_register(void)
1001 static const struct vport_class vport_classes[] = {
1002 { { "gre", VPORT_FUNCTIONS(netdev_vport_get_status) },
1003 parse_tunnel_config },
1004 { { "ipsec_gre", VPORT_FUNCTIONS(netdev_vport_get_status) },
1005 parse_tunnel_config },
1006 { { "capwap", VPORT_FUNCTIONS(netdev_vport_get_status) },
1007 parse_tunnel_config },
1008 { { "patch", VPORT_FUNCTIONS(NULL) }, parse_patch_config }
1013 for (i = 0; i < ARRAY_SIZE(vport_classes); i++) {
1014 netdev_register_provider(&vport_classes[i].netdev_class);