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"
31 #include "dpif-linux.h"
35 #include "netdev-linux.h"
36 #include "netdev-provider.h"
38 #include "netlink-socket.h"
40 #include "openvswitch/datapath-protocol.h"
41 #include "openvswitch/tunnel.h"
43 #include "route-table.h"
44 #include "rtnetlink.h"
46 #include "socket-util.h"
49 VLOG_DEFINE_THIS_MODULE(netdev_vport);
51 struct netdev_vport_notifier {
52 struct netdev_notifier notifier;
53 struct list list_node;
54 struct shash_node *shash_node;
57 struct netdev_dev_vport {
58 struct netdev_dev netdev_dev;
59 struct ofpbuf *options;
60 int dp_ifindex; /* -1 if unknown. */
61 uint32_t port_no; /* UINT32_MAX if unknown. */
62 unsigned int change_seq;
70 enum odp_vport_type type;
71 struct netdev_class netdev_class;
72 int (*parse_config)(const char *name, const char *type,
73 const struct shash *args, struct ofpbuf *options);
74 int (*unparse_config)(const char *name, const char *type,
75 const struct nlattr *options, size_t options_len,
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_create(const struct netdev_class *, const char *,
85 const struct shash *, struct netdev_dev **);
86 static void netdev_vport_poll_notify(const struct netdev *);
87 static int tnl_port_config_from_nlattr(const struct nlattr *options,
89 struct nlattr *a[ODP_TUNNEL_ATTR_MAX + 1]);
91 static const char *netdev_vport_get_tnl_iface(const struct netdev *netdev);
94 is_vport_class(const struct netdev_class *class)
96 return class->create == netdev_vport_create;
99 static const struct vport_class *
100 vport_class_cast(const struct netdev_class *class)
102 assert(is_vport_class(class));
103 return CONTAINER_OF(class, struct vport_class, netdev_class);
106 static struct netdev_dev_vport *
107 netdev_dev_vport_cast(const struct netdev_dev *netdev_dev)
109 assert(is_vport_class(netdev_dev_get_class(netdev_dev)));
110 return CONTAINER_OF(netdev_dev, struct netdev_dev_vport, netdev_dev);
113 static struct netdev_vport *
114 netdev_vport_cast(const struct netdev *netdev)
116 struct netdev_dev *netdev_dev = netdev_get_dev(netdev);
117 assert(is_vport_class(netdev_dev_get_class(netdev_dev)));
118 return CONTAINER_OF(netdev, struct netdev_vport, netdev);
121 /* If 'netdev' is a vport netdev, returns an ofpbuf that contains Netlink
122 * options to include in ODP_VPORT_ATTR_OPTIONS for configuring that vport.
123 * Otherwise returns NULL. */
124 const struct ofpbuf *
125 netdev_vport_get_options(const struct netdev *netdev)
127 const struct netdev_dev *dev = netdev_get_dev(netdev);
129 return (is_vport_class(netdev_dev_get_class(dev))
130 ? netdev_dev_vport_cast(dev)->options
135 netdev_vport_get_vport_type(const struct netdev *netdev)
137 const struct netdev_dev *dev = netdev_get_dev(netdev);
138 const struct netdev_class *class = netdev_dev_get_class(dev);
140 return (is_vport_class(class) ? vport_class_cast(class)->type
141 : class == &netdev_internal_class ? ODP_VPORT_TYPE_INTERNAL
142 : class == &netdev_linux_class ? ODP_VPORT_TYPE_NETDEV
143 : ODP_VPORT_TYPE_UNSPEC);
147 netdev_vport_get_netdev_type(const struct dpif_linux_vport *vport)
149 struct nlattr *a[ODP_TUNNEL_ATTR_MAX + 1];
151 switch (vport->type) {
152 case ODP_VPORT_TYPE_UNSPEC:
155 case ODP_VPORT_TYPE_NETDEV:
158 case ODP_VPORT_TYPE_INTERNAL:
161 case ODP_VPORT_TYPE_PATCH:
164 case ODP_VPORT_TYPE_GRE:
165 if (tnl_port_config_from_nlattr(vport->options, vport->options_len,
169 return (nl_attr_get_u32(a[ODP_TUNNEL_ATTR_FLAGS]) & TNL_F_IPSEC
170 ? "ipsec_gre" : "gre");
172 case ODP_VPORT_TYPE_CAPWAP:
175 case __ODP_VPORT_TYPE_MAX:
179 VLOG_WARN_RL(&rl, "dp%d: port `%s' has unsupported type %u",
180 vport->dp_ifindex, vport->name, (unsigned int) vport->type);
185 netdev_vport_create(const struct netdev_class *netdev_class, const char *name,
186 const struct shash *args,
187 struct netdev_dev **netdev_devp)
189 const struct vport_class *vport_class = vport_class_cast(netdev_class);
190 struct ofpbuf *options = NULL;
191 struct shash fetched_args;
196 shash_init(&fetched_args);
199 port_no = UINT32_MAX;
200 if (!shash_is_empty(args)) {
201 /* Parse the provided configuration. */
202 options = ofpbuf_new(64);
203 error = vport_class->parse_config(name, netdev_class->type,
206 /* Fetch an existing configuration from the kernel.
208 * This case could be ambiguous with initializing a new vport with an
209 * empty configuration, but none of the existing vport classes accept
210 * an empty configuration. */
211 struct dpif_linux_vport reply;
214 error = dpif_linux_vport_get(name, &reply, &buf);
216 /* XXX verify correct type */
217 error = vport_class->unparse_config(name, netdev_class->type,
222 VLOG_ERR_RL(&rl, "%s: failed to parse kernel config (%s)",
223 name, strerror(error));
225 options = ofpbuf_clone_data(reply.options, reply.options_len);
226 dp_ifindex = reply.dp_ifindex;
227 port_no = reply.port_no;
231 VLOG_ERR_RL(&rl, "%s: vport query failed (%s)",
232 name, strerror(error));
237 struct netdev_dev_vport *dev;
239 dev = xmalloc(sizeof *dev);
240 netdev_dev_init(&dev->netdev_dev, name,
241 shash_is_empty(&fetched_args) ? args : &fetched_args,
243 dev->options = options;
244 dev->dp_ifindex = dp_ifindex;
245 dev->port_no = port_no;
248 *netdev_devp = &dev->netdev_dev;
249 route_table_register();
251 ofpbuf_delete(options);
254 shash_destroy(&fetched_args);
260 netdev_vport_destroy(struct netdev_dev *netdev_dev_)
262 struct netdev_dev_vport *netdev_dev = netdev_dev_vport_cast(netdev_dev_);
264 route_table_unregister();
269 netdev_vport_open(struct netdev_dev *netdev_dev_, int ethertype OVS_UNUSED,
270 struct netdev **netdevp)
272 struct netdev_vport *netdev;
274 netdev = xmalloc(sizeof *netdev);
275 netdev_init(&netdev->netdev, netdev_dev_);
277 *netdevp = &netdev->netdev;
282 netdev_vport_close(struct netdev *netdev_)
284 struct netdev_vport *netdev = netdev_vport_cast(netdev_);
289 netdev_vport_set_config(struct netdev_dev *dev_, const struct shash *args)
291 const struct netdev_class *netdev_class = netdev_dev_get_class(dev_);
292 const struct vport_class *vport_class = vport_class_cast(netdev_class);
293 struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
294 const char *name = netdev_dev_get_name(dev_);
295 struct ofpbuf *options;
298 options = ofpbuf_new(64);
299 error = vport_class->parse_config(name, netdev_dev_get_type(dev_),
302 && (options->size != dev->options->size
303 || memcmp(options->data, dev->options->data, options->size))) {
304 struct dpif_linux_vport vport;
306 dpif_linux_vport_init(&vport);
307 vport.cmd = ODP_VPORT_CMD_SET;
309 vport.options = options->data;
310 vport.options_len = options->size;
311 error = dpif_linux_vport_transact(&vport, NULL, NULL);
312 if (!error || error == ENODEV) {
313 /* Either reconfiguration succeeded or this vport is not installed
314 * in the kernel (e.g. it hasn't been added to a dpif yet with
315 * dpif_port_add()). */
316 ofpbuf_delete(dev->options);
317 dev->options = options;
322 ofpbuf_delete(options);
328 netdev_vport_send(struct netdev *netdev, const void *data, size_t size)
330 struct netdev_dev *dev_ = netdev_get_dev(netdev);
331 struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
333 if (dev->dp_ifindex == -1) {
334 const char *name = netdev_get_name(netdev);
335 struct dpif_linux_vport reply;
339 error = dpif_linux_vport_get(name, &reply, &buf);
341 VLOG_ERR_RL(&rl, "%s: failed to query vport for send (%s)",
342 name, strerror(error));
345 dev->dp_ifindex = reply.dp_ifindex;
346 dev->port_no = reply.port_no;
350 return dpif_linux_vport_send(dev->dp_ifindex, dev->port_no, data, size);
354 netdev_vport_set_etheraddr(struct netdev *netdev,
355 const uint8_t mac[ETH_ADDR_LEN])
357 struct dpif_linux_vport vport;
360 dpif_linux_vport_init(&vport);
361 vport.cmd = ODP_VPORT_CMD_SET;
362 vport.name = netdev_get_name(netdev);
365 error = dpif_linux_vport_transact(&vport, NULL, NULL);
367 netdev_vport_poll_notify(netdev);
373 netdev_vport_get_etheraddr(const struct netdev *netdev,
374 uint8_t mac[ETH_ADDR_LEN])
376 struct dpif_linux_vport reply;
380 error = dpif_linux_vport_get(netdev_get_name(netdev), &reply, &buf);
383 memcpy(mac, reply.address, ETH_ADDR_LEN);
393 netdev_vport_get_mtu(const struct netdev *netdev, int *mtup)
395 struct dpif_linux_vport reply;
399 error = dpif_linux_vport_get(netdev_get_name(netdev), &reply, &buf);
408 netdev_vport_get_stats(const struct netdev *netdev, struct netdev_stats *stats)
410 struct dpif_linux_vport reply;
414 error = dpif_linux_vport_get(netdev_get_name(netdev), &reply, &buf);
417 } else if (!reply.stats) {
422 netdev_stats_from_rtnl_link_stats64(stats, reply.stats);
430 netdev_vport_set_stats(struct netdev *netdev, const struct netdev_stats *stats)
432 struct rtnl_link_stats64 rtnl_stats;
433 struct dpif_linux_vport vport;
436 netdev_stats_to_rtnl_link_stats64(&rtnl_stats, stats);
438 dpif_linux_vport_init(&vport);
439 vport.cmd = ODP_VPORT_CMD_SET;
440 vport.name = netdev_get_name(netdev);
441 vport.stats = &rtnl_stats;
443 err = dpif_linux_vport_transact(&vport, NULL, NULL);
445 /* If the vport layer doesn't know about the device, that doesn't mean it
446 * doesn't exist (after all were able to open it when netdev_open() was
447 * called), it just means that it isn't attached and we'll be getting
448 * stats a different way. */
457 netdev_vport_get_status(const struct netdev *netdev, struct shash *sh)
459 const char *iface = netdev_vport_get_tnl_iface(netdev);
462 struct netdev *egress_netdev;
464 shash_add(sh, "tunnel_egress_iface", xstrdup(iface));
466 if (!netdev_open_default(iface, &egress_netdev)) {
467 shash_add(sh, "tunnel_egress_iface_carrier",
468 xstrdup(netdev_get_carrier(egress_netdev)
470 netdev_close(egress_netdev);
478 netdev_vport_update_flags(struct netdev *netdev OVS_UNUSED,
479 enum netdev_flags off, enum netdev_flags on OVS_UNUSED,
480 enum netdev_flags *old_flagsp)
482 if (off & (NETDEV_UP | NETDEV_PROMISC)) {
486 *old_flagsp = NETDEV_UP | NETDEV_PROMISC;
491 make_poll_name(const struct netdev *netdev)
493 return xasprintf("%s:%s", netdev_get_type(netdev), netdev_get_name(netdev));
497 netdev_vport_poll_add(struct netdev *netdev,
498 void (*cb)(struct netdev_notifier *), void *aux,
499 struct netdev_notifier **notifierp)
501 char *poll_name = make_poll_name(netdev);
502 struct netdev_vport_notifier *notifier;
504 struct shash_node *shash_node;
506 shash_node = shash_find(&netdev_vport_notifiers, poll_name);
508 list = xmalloc(sizeof *list);
510 shash_node = shash_add(&netdev_vport_notifiers, poll_name, list);
512 list = shash_node->data;
515 notifier = xmalloc(sizeof *notifier);
516 netdev_notifier_init(¬ifier->notifier, netdev, cb, aux);
517 list_push_back(list, ¬ifier->list_node);
518 notifier->shash_node = shash_node;
520 *notifierp = ¬ifier->notifier;
527 netdev_vport_poll_remove(struct netdev_notifier *notifier_)
529 struct netdev_vport_notifier *notifier =
530 CONTAINER_OF(notifier_, struct netdev_vport_notifier, notifier);
534 list = list_remove(¬ifier->list_node);
535 if (list_is_empty(list)) {
536 shash_delete(&netdev_vport_notifiers, notifier->shash_node);
544 netdev_vport_change_seq(const struct netdev *netdev)
546 return netdev_dev_vport_cast(netdev_get_dev(netdev))->change_seq;
550 netdev_vport_run(void)
556 netdev_vport_wait(void)
561 /* get_tnl_iface() implementation. */
563 netdev_vport_get_tnl_iface(const struct netdev *netdev)
565 struct nlattr *a[ODP_TUNNEL_ATTR_MAX + 1];
567 struct netdev_dev_vport *ndv;
568 static char name[IFNAMSIZ];
570 ndv = netdev_dev_vport_cast(netdev_get_dev(netdev));
571 if (tnl_port_config_from_nlattr(ndv->options->data, ndv->options->size,
575 route = nl_attr_get_be32(a[ODP_TUNNEL_ATTR_DST_IPV4]);
577 if (route_table_get_name(route, name)) {
584 /* Helper functions. */
587 netdev_vport_poll_notify(const struct netdev *netdev)
589 char *poll_name = make_poll_name(netdev);
590 struct list *list = shash_find_data(&netdev_vport_notifiers,
592 struct netdev_dev_vport *ndv;
594 ndv = netdev_dev_vport_cast(netdev_get_dev(netdev));
597 struct netdev_vport_notifier *notifier;
599 LIST_FOR_EACH (notifier, list_node, list) {
600 struct netdev_notifier *n = ¬ifier->notifier;
606 if (!ndv->change_seq) {
613 /* Code specific to individual vport types. */
616 set_key(const struct shash *args, const char *name, uint16_t type,
617 struct ofpbuf *options)
621 s = shash_find_data(args, name);
623 s = shash_find_data(args, "key");
629 if (!strcmp(s, "flow")) {
630 /* This is the default if no attribute is present. */
632 nl_msg_put_be64(options, type, htonll(strtoull(s, NULL, 0)));
637 parse_tunnel_config(const char *name, const char *type,
638 const struct shash *args, struct ofpbuf *options)
641 bool is_ipsec = false;
642 struct shash_node *node;
643 bool ipsec_mech_set = false;
644 ovs_be32 daddr = htonl(0);
647 flags = TNL_F_DF_DEFAULT | TNL_F_PMTUD | TNL_F_HDR_CACHE;
648 if (!strcmp(type, "gre")) {
650 } else if (!strcmp(type, "ipsec_gre")) {
653 flags |= TNL_F_IPSEC;
654 flags &= ~TNL_F_HDR_CACHE;
657 SHASH_FOR_EACH (node, args) {
658 if (!strcmp(node->name, "remote_ip")) {
659 struct in_addr in_addr;
660 if (lookup_ip(node->data, &in_addr)) {
661 VLOG_WARN("%s: bad %s 'remote_ip'", name, type);
663 daddr = in_addr.s_addr;
665 } else if (!strcmp(node->name, "local_ip")) {
666 struct in_addr in_addr;
667 if (lookup_ip(node->data, &in_addr)) {
668 VLOG_WARN("%s: bad %s 'local_ip'", name, type);
670 nl_msg_put_be32(options, ODP_TUNNEL_ATTR_SRC_IPV4,
673 } else if (!strcmp(node->name, "tos")) {
674 if (!strcmp(node->data, "inherit")) {
675 flags |= TNL_F_TOS_INHERIT;
677 nl_msg_put_u8(options, ODP_TUNNEL_ATTR_TOS, atoi(node->data));
679 } else if (!strcmp(node->name, "ttl")) {
680 if (!strcmp(node->data, "inherit")) {
681 flags |= TNL_F_TTL_INHERIT;
683 nl_msg_put_u8(options, ODP_TUNNEL_ATTR_TTL, atoi(node->data));
685 } else if (!strcmp(node->name, "csum") && is_gre) {
686 if (!strcmp(node->data, "true")) {
689 } else if (!strcmp(node->name, "df_inherit")) {
690 if (!strcmp(node->data, "true")) {
691 flags |= TNL_F_DF_INHERIT;
693 } else if (!strcmp(node->name, "df_default")) {
694 if (!strcmp(node->data, "false")) {
695 flags &= ~TNL_F_DF_DEFAULT;
697 } else if (!strcmp(node->name, "pmtud")) {
698 if (!strcmp(node->data, "false")) {
699 flags &= ~TNL_F_PMTUD;
701 } else if (!strcmp(node->name, "header_cache")) {
702 if (!strcmp(node->data, "false")) {
703 flags &= ~TNL_F_HDR_CACHE;
705 } else if (!strcmp(node->name, "peer_cert") && is_ipsec) {
706 if (shash_find(args, "certificate")) {
707 ipsec_mech_set = true;
709 const char *use_ssl_cert;
711 /* If the "use_ssl_cert" is true, then "certificate" and
712 * "private_key" will be pulled from the SSL table. The
713 * use of this option is strongly discouraged, since it
714 * will like be removed when multiple SSL configurations
715 * are supported by OVS.
717 use_ssl_cert = shash_find_data(args, "use_ssl_cert");
718 if (!use_ssl_cert || strcmp(use_ssl_cert, "true")) {
719 VLOG_ERR("%s: 'peer_cert' requires 'certificate' argument",
723 ipsec_mech_set = true;
725 } else if (!strcmp(node->name, "psk") && is_ipsec) {
726 ipsec_mech_set = true;
728 && (!strcmp(node->name, "certificate")
729 || !strcmp(node->name, "private_key")
730 || !strcmp(node->name, "use_ssl_cert"))) {
731 /* Ignore options not used by the netdev. */
732 } else if (is_gre && (!strcmp(node->name, "key") ||
733 !strcmp(node->name, "in_key") ||
734 !strcmp(node->name, "out_key"))) {
735 /* Handled separately below. */
737 VLOG_WARN("%s: unknown %s argument '%s'", name, type, node->name);
742 char *file_name = xasprintf("%s/%s", ovs_rundir(),
743 "ovs-monitor-ipsec.pid");
744 pid_t pid = read_pidfile(file_name);
747 VLOG_ERR("%s: IPsec requires the ovs-monitor-ipsec daemon",
752 if (shash_find(args, "peer_cert") && shash_find(args, "psk")) {
753 VLOG_ERR("%s: cannot define both 'peer_cert' and 'psk'", name);
757 if (!ipsec_mech_set) {
758 VLOG_ERR("%s: IPsec requires an 'peer_cert' or psk' argument",
765 set_key(args, "in_key", ODP_TUNNEL_ATTR_IN_KEY, options);
766 set_key(args, "out_key", ODP_TUNNEL_ATTR_OUT_KEY, options);
770 VLOG_ERR("%s: %s type requires valid 'remote_ip' argument",
774 nl_msg_put_be32(options, ODP_TUNNEL_ATTR_DST_IPV4, daddr);
776 nl_msg_put_u32(options, ODP_TUNNEL_ATTR_FLAGS, flags);
782 tnl_port_config_from_nlattr(const struct nlattr *options, size_t options_len,
783 struct nlattr *a[ODP_TUNNEL_ATTR_MAX + 1])
785 static const struct nl_policy odp_tunnel_policy[] = {
786 [ODP_TUNNEL_ATTR_FLAGS] = { .type = NL_A_U32 },
787 [ODP_TUNNEL_ATTR_DST_IPV4] = { .type = NL_A_BE32 },
788 [ODP_TUNNEL_ATTR_SRC_IPV4] = { .type = NL_A_BE32, .optional = true },
789 [ODP_TUNNEL_ATTR_IN_KEY] = { .type = NL_A_BE64, .optional = true },
790 [ODP_TUNNEL_ATTR_OUT_KEY] = { .type = NL_A_BE64, .optional = true },
791 [ODP_TUNNEL_ATTR_TOS] = { .type = NL_A_U8, .optional = true },
792 [ODP_TUNNEL_ATTR_TTL] = { .type = NL_A_U8, .optional = true },
796 ofpbuf_use_const(&buf, options, options_len);
797 if (!nl_policy_parse(&buf, 0, odp_tunnel_policy,
798 a, ARRAY_SIZE(odp_tunnel_policy))) {
805 get_be64_or_zero(const struct nlattr *a)
807 return a ? ntohll(nl_attr_get_be64(a)) : 0;
811 unparse_tunnel_config(const char *name OVS_UNUSED, const char *type OVS_UNUSED,
812 const struct nlattr *options, size_t options_len,
815 struct nlattr *a[ODP_TUNNEL_ATTR_MAX + 1];
820 error = tnl_port_config_from_nlattr(options, options_len, a);
825 flags = nl_attr_get_u32(a[ODP_TUNNEL_ATTR_FLAGS]);
826 if (!(flags & TNL_F_HDR_CACHE) == !(flags & TNL_F_IPSEC)) {
827 smap_add(args, "header_cache",
828 flags & TNL_F_HDR_CACHE ? "true" : "false");
831 daddr = nl_attr_get_be32(a[ODP_TUNNEL_ATTR_DST_IPV4]);
832 shash_add(args, "remote_ip", xasprintf(IP_FMT, IP_ARGS(&daddr)));
834 if (a[ODP_TUNNEL_ATTR_SRC_IPV4]) {
835 ovs_be32 saddr = nl_attr_get_be32(a[ODP_TUNNEL_ATTR_SRC_IPV4]);
836 shash_add(args, "local_ip", xasprintf(IP_FMT, IP_ARGS(&saddr)));
839 if (!a[ODP_TUNNEL_ATTR_IN_KEY] && !a[ODP_TUNNEL_ATTR_OUT_KEY]) {
840 smap_add(args, "key", "flow");
842 uint64_t in_key = get_be64_or_zero(a[ODP_TUNNEL_ATTR_IN_KEY]);
843 uint64_t out_key = get_be64_or_zero(a[ODP_TUNNEL_ATTR_OUT_KEY]);
845 if (in_key && in_key == out_key) {
846 shash_add(args, "key", xasprintf("%"PRIu64, in_key));
848 if (!a[ODP_TUNNEL_ATTR_IN_KEY]) {
849 smap_add(args, "in_key", "flow");
851 shash_add(args, "in_key", xasprintf("%"PRIu64, in_key));
854 if (!a[ODP_TUNNEL_ATTR_OUT_KEY]) {
855 smap_add(args, "out_key", "flow");
856 } else if (out_key) {
857 shash_add(args, "out_key", xasprintf("%"PRIu64, out_key));
862 if (flags & TNL_F_TTL_INHERIT) {
863 smap_add(args, "tos", "inherit");
864 } else if (a[ODP_TUNNEL_ATTR_TTL]) {
865 int ttl = nl_attr_get_u8(a[ODP_TUNNEL_ATTR_TTL]);
866 shash_add(args, "tos", xasprintf("%d", ttl));
869 if (flags & TNL_F_TOS_INHERIT) {
870 smap_add(args, "tos", "inherit");
871 } else if (a[ODP_TUNNEL_ATTR_TOS]) {
872 int tos = nl_attr_get_u8(a[ODP_TUNNEL_ATTR_TOS]);
873 shash_add(args, "tos", xasprintf("%d", tos));
876 if (flags & TNL_F_CSUM) {
877 smap_add(args, "csum", "true");
879 if (flags & TNL_F_DF_INHERIT) {
880 smap_add(args, "df_inherit", "true");
882 if (!(flags & TNL_F_DF_DEFAULT)) {
883 smap_add(args, "df_default", "false");
885 if (!(flags & TNL_F_PMTUD)) {
886 smap_add(args, "pmtud", "false");
893 parse_patch_config(const char *name, const char *type OVS_UNUSED,
894 const struct shash *args, struct ofpbuf *options)
898 peer = shash_find_data(args, "peer");
900 VLOG_ERR("%s: patch type requires valid 'peer' argument", name);
904 if (shash_count(args) > 1) {
905 VLOG_ERR("%s: patch type takes only a 'peer' argument", name);
909 if (strlen(peer) >= IFNAMSIZ) {
910 VLOG_ERR("%s: patch 'peer' arg too long", name);
914 if (!strcmp(name, peer)) {
915 VLOG_ERR("%s: patch peer must not be self", name);
919 nl_msg_put_string(options, ODP_PATCH_ATTR_PEER, peer);
925 unparse_patch_config(const char *name OVS_UNUSED, const char *type OVS_UNUSED,
926 const struct nlattr *options, size_t options_len,
929 static const struct nl_policy odp_patch_policy[] = {
930 [ODP_PATCH_ATTR_PEER] = { .type = NL_A_STRING,
935 struct nlattr *a[ARRAY_SIZE(odp_patch_policy)];
938 ofpbuf_use_const(&buf, options, options_len);
939 if (!nl_policy_parse(&buf, 0, odp_patch_policy,
940 a, ARRAY_SIZE(odp_patch_policy))) {
944 smap_add(args, "peer", nl_attr_get_string(a[ODP_PATCH_ATTR_PEER]));
948 #define VPORT_FUNCTIONS(GET_STATUS) \
953 netdev_vport_create, \
954 netdev_vport_destroy, \
955 netdev_vport_set_config, \
958 netdev_vport_close, \
960 NULL, /* enumerate */ \
963 NULL, /* recv_wait */ \
966 netdev_vport_send, /* send */ \
967 NULL, /* send_wait */ \
969 netdev_vport_set_etheraddr, \
970 netdev_vport_get_etheraddr, \
971 netdev_vport_get_mtu, \
972 NULL, /* get_ifindex */ \
973 NULL, /* get_carrier */ \
974 NULL, /* get_miimon */ \
975 netdev_vport_get_stats, \
976 netdev_vport_set_stats, \
978 NULL, /* get_features */ \
979 NULL, /* set_advertisements */ \
980 NULL, /* get_vlan_vid */ \
982 NULL, /* set_policing */ \
983 NULL, /* get_qos_types */ \
984 NULL, /* get_qos_capabilities */ \
985 NULL, /* get_qos */ \
986 NULL, /* set_qos */ \
987 NULL, /* get_queue */ \
988 NULL, /* set_queue */ \
989 NULL, /* delete_queue */ \
990 NULL, /* get_queue_stats */ \
991 NULL, /* dump_queues */ \
992 NULL, /* dump_queue_stats */ \
994 NULL, /* get_in4 */ \
995 NULL, /* set_in4 */ \
996 NULL, /* get_in6 */ \
997 NULL, /* add_router */ \
998 NULL, /* get_next_hop */ \
1000 NULL, /* arp_lookup */ \
1002 netdev_vport_update_flags, \
1004 netdev_vport_poll_add, \
1005 netdev_vport_poll_remove, \
1006 netdev_vport_change_seq
1009 netdev_vport_register(void)
1011 static const struct vport_class vport_classes[] = {
1012 { ODP_VPORT_TYPE_GRE,
1013 { "gre", VPORT_FUNCTIONS(netdev_vport_get_status) },
1014 parse_tunnel_config, unparse_tunnel_config },
1016 { ODP_VPORT_TYPE_GRE,
1017 { "ipsec_gre", VPORT_FUNCTIONS(netdev_vport_get_status) },
1018 parse_tunnel_config, unparse_tunnel_config },
1020 { ODP_VPORT_TYPE_CAPWAP,
1021 { "capwap", VPORT_FUNCTIONS(netdev_vport_get_status) },
1022 parse_tunnel_config, unparse_tunnel_config },
1024 { ODP_VPORT_TYPE_PATCH,
1025 { "patch", VPORT_FUNCTIONS(NULL) },
1026 parse_patch_config, unparse_patch_config }
1031 for (i = 0; i < ARRAY_SIZE(vport_classes); i++) {
1032 netdev_register_provider(&vport_classes[i].netdev_class);