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-notifier.h"
39 #include "netlink-socket.h"
41 #include "openvswitch/datapath-protocol.h"
42 #include "openvswitch/tunnel.h"
44 #include "route-table.h"
46 #include "socket-util.h"
49 VLOG_DEFINE_THIS_MODULE(netdev_vport);
51 struct netdev_dev_vport {
52 struct netdev_dev netdev_dev;
53 struct ofpbuf *options;
54 int dp_ifindex; /* -1 if unknown. */
55 uint32_t port_no; /* UINT32_MAX if unknown. */
56 unsigned int change_seq;
64 enum ovs_vport_type type;
65 struct netdev_class netdev_class;
66 int (*parse_config)(const char *name, const char *type,
67 const struct shash *args, struct ofpbuf *options);
68 int (*unparse_config)(const char *name, const char *type,
69 const struct nlattr *options, size_t options_len,
73 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
75 static int netdev_vport_create(const struct netdev_class *, const char *,
76 struct netdev_dev **);
77 static void netdev_vport_poll_notify(const struct netdev *);
78 static int tnl_port_config_from_nlattr(const struct nlattr *options,
80 struct nlattr *a[OVS_TUNNEL_ATTR_MAX + 1]);
82 static const char *netdev_vport_get_tnl_iface(const struct netdev *netdev);
85 is_vport_class(const struct netdev_class *class)
87 return class->create == netdev_vport_create;
90 static const struct vport_class *
91 vport_class_cast(const struct netdev_class *class)
93 assert(is_vport_class(class));
94 return CONTAINER_OF(class, struct vport_class, netdev_class);
97 static struct netdev_dev_vport *
98 netdev_dev_vport_cast(const struct netdev_dev *netdev_dev)
100 assert(is_vport_class(netdev_dev_get_class(netdev_dev)));
101 return CONTAINER_OF(netdev_dev, struct netdev_dev_vport, netdev_dev);
104 static struct netdev_vport *
105 netdev_vport_cast(const struct netdev *netdev)
107 struct netdev_dev *netdev_dev = netdev_get_dev(netdev);
108 assert(is_vport_class(netdev_dev_get_class(netdev_dev)));
109 return CONTAINER_OF(netdev, struct netdev_vport, netdev);
112 /* If 'netdev' is a vport netdev, returns an ofpbuf that contains Netlink
113 * options to include in OVS_VPORT_ATTR_OPTIONS for configuring that vport.
114 * Otherwise returns NULL. */
115 const struct ofpbuf *
116 netdev_vport_get_options(const struct netdev *netdev)
118 const struct netdev_dev *dev = netdev_get_dev(netdev);
120 return (is_vport_class(netdev_dev_get_class(dev))
121 ? netdev_dev_vport_cast(dev)->options
126 netdev_vport_get_vport_type(const struct netdev *netdev)
128 const struct netdev_dev *dev = netdev_get_dev(netdev);
129 const struct netdev_class *class = netdev_dev_get_class(dev);
131 return (is_vport_class(class) ? vport_class_cast(class)->type
132 : class == &netdev_internal_class ? OVS_VPORT_TYPE_INTERNAL
133 : class == &netdev_linux_class ? OVS_VPORT_TYPE_NETDEV
134 : OVS_VPORT_TYPE_UNSPEC);
138 netdev_vport_get_netdev_type(const struct dpif_linux_vport *vport)
140 struct nlattr *a[OVS_TUNNEL_ATTR_MAX + 1];
142 switch (vport->type) {
143 case OVS_VPORT_TYPE_UNSPEC:
146 case OVS_VPORT_TYPE_NETDEV:
149 case OVS_VPORT_TYPE_INTERNAL:
152 case OVS_VPORT_TYPE_PATCH:
155 case OVS_VPORT_TYPE_GRE:
156 if (tnl_port_config_from_nlattr(vport->options, vport->options_len,
160 return (nl_attr_get_u32(a[OVS_TUNNEL_ATTR_FLAGS]) & TNL_F_IPSEC
161 ? "ipsec_gre" : "gre");
163 case OVS_VPORT_TYPE_CAPWAP:
166 case __OVS_VPORT_TYPE_MAX:
170 VLOG_WARN_RL(&rl, "dp%d: port `%s' has unsupported type %u",
171 vport->dp_ifindex, vport->name, (unsigned int) vport->type);
176 netdev_vport_create(const struct netdev_class *netdev_class, const char *name,
177 struct netdev_dev **netdev_devp)
179 struct netdev_dev_vport *dev;
181 dev = xmalloc(sizeof *dev);
182 netdev_dev_init(&dev->netdev_dev, name, netdev_class);
184 dev->dp_ifindex = -1;
185 dev->port_no = UINT32_MAX;
188 *netdev_devp = &dev->netdev_dev;
189 route_table_register();
195 netdev_vport_destroy(struct netdev_dev *netdev_dev_)
197 struct netdev_dev_vport *netdev_dev = netdev_dev_vport_cast(netdev_dev_);
199 route_table_unregister();
204 netdev_vport_open(struct netdev_dev *netdev_dev_, struct netdev **netdevp)
206 struct netdev_vport *netdev;
208 netdev = xmalloc(sizeof *netdev);
209 netdev_init(&netdev->netdev, netdev_dev_);
211 *netdevp = &netdev->netdev;
216 netdev_vport_close(struct netdev *netdev_)
218 struct netdev_vport *netdev = netdev_vport_cast(netdev_);
223 netdev_vport_get_config(struct netdev_dev *dev_, struct shash *args)
225 const struct netdev_class *netdev_class = netdev_dev_get_class(dev_);
226 const struct vport_class *vport_class = vport_class_cast(netdev_class);
227 struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
228 const char *name = netdev_dev_get_name(dev_);
232 struct dpif_linux_vport reply;
235 error = dpif_linux_vport_get(name, &reply, &buf);
237 VLOG_ERR_RL(&rl, "%s: vport query failed (%s)",
238 name, strerror(error));
242 dev->options = ofpbuf_clone_data(reply.options, reply.options_len);
243 dev->dp_ifindex = reply.dp_ifindex;
244 dev->port_no = reply.port_no;
248 error = vport_class->unparse_config(name, netdev_class->type,
253 VLOG_ERR_RL(&rl, "%s: failed to parse kernel config (%s)",
254 name, strerror(error));
260 netdev_vport_set_config(struct netdev_dev *dev_, const struct shash *args)
262 const struct netdev_class *netdev_class = netdev_dev_get_class(dev_);
263 const struct vport_class *vport_class = vport_class_cast(netdev_class);
264 struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
265 const char *name = netdev_dev_get_name(dev_);
266 struct ofpbuf *options;
269 options = ofpbuf_new(64);
270 error = vport_class->parse_config(name, netdev_dev_get_type(dev_),
274 || options->size != dev->options->size
275 || memcmp(options->data, dev->options->data, options->size))) {
276 struct dpif_linux_vport vport;
278 dpif_linux_vport_init(&vport);
279 vport.cmd = OVS_VPORT_CMD_SET;
281 vport.options = options->data;
282 vport.options_len = options->size;
283 error = dpif_linux_vport_transact(&vport, NULL, NULL);
284 if (!error || error == ENODEV) {
285 /* Either reconfiguration succeeded or this vport is not installed
286 * in the kernel (e.g. it hasn't been added to a dpif yet with
287 * dpif_port_add()). */
288 ofpbuf_delete(dev->options);
289 dev->options = options;
294 ofpbuf_delete(options);
300 netdev_vport_send(struct netdev *netdev, const void *data, size_t size)
302 struct netdev_dev *dev_ = netdev_get_dev(netdev);
303 struct netdev_dev_vport *dev = netdev_dev_vport_cast(dev_);
305 if (dev->dp_ifindex == -1) {
306 const char *name = netdev_get_name(netdev);
307 struct dpif_linux_vport reply;
311 error = dpif_linux_vport_get(name, &reply, &buf);
313 VLOG_ERR_RL(&rl, "%s: failed to query vport for send (%s)",
314 name, strerror(error));
317 dev->dp_ifindex = reply.dp_ifindex;
318 dev->port_no = reply.port_no;
322 return dpif_linux_vport_send(dev->dp_ifindex, dev->port_no, data, size);
326 netdev_vport_set_etheraddr(struct netdev *netdev,
327 const uint8_t mac[ETH_ADDR_LEN])
329 struct dpif_linux_vport vport;
332 dpif_linux_vport_init(&vport);
333 vport.cmd = OVS_VPORT_CMD_SET;
334 vport.name = netdev_get_name(netdev);
337 error = dpif_linux_vport_transact(&vport, NULL, NULL);
339 netdev_vport_poll_notify(netdev);
345 netdev_vport_get_etheraddr(const struct netdev *netdev,
346 uint8_t mac[ETH_ADDR_LEN])
348 struct dpif_linux_vport reply;
352 error = dpif_linux_vport_get(netdev_get_name(netdev), &reply, &buf);
355 memcpy(mac, reply.address, ETH_ADDR_LEN);
364 #define COPY_OVS_STATS \
365 dst->rx_packets = src->rx_packets; \
366 dst->tx_packets = src->tx_packets; \
367 dst->rx_bytes = src->rx_bytes; \
368 dst->tx_bytes = src->tx_bytes; \
369 dst->rx_errors = src->rx_errors; \
370 dst->tx_errors = src->tx_errors; \
371 dst->rx_dropped = src->rx_dropped; \
372 dst->tx_dropped = src->tx_dropped;
374 /* Copies 'src' into 'dst', performing format conversion in the process. */
376 netdev_stats_from_ovs_vport_stats(struct netdev_stats *dst,
377 const struct ovs_vport_stats *src)
382 dst->rx_length_errors = 0;
383 dst->rx_over_errors = 0;
384 dst->rx_crc_errors = 0;
385 dst->rx_frame_errors = 0;
386 dst->rx_fifo_errors = 0;
387 dst->rx_missed_errors = 0;
388 dst->tx_aborted_errors = 0;
389 dst->tx_carrier_errors = 0;
390 dst->tx_fifo_errors = 0;
391 dst->tx_heartbeat_errors = 0;
392 dst->tx_window_errors = 0;
395 /* Copies 'src' into 'dst', performing format conversion in the process. */
397 netdev_stats_to_ovs_vport_stats(struct ovs_vport_stats *dst,
398 const struct netdev_stats *src)
404 netdev_vport_get_stats(const struct netdev *netdev, struct netdev_stats *stats)
406 struct dpif_linux_vport reply;
410 error = dpif_linux_vport_get(netdev_get_name(netdev), &reply, &buf);
413 } else if (!reply.stats) {
418 netdev_stats_from_ovs_vport_stats(stats, reply.stats);
426 netdev_vport_set_stats(struct netdev *netdev, const struct netdev_stats *stats)
428 struct ovs_vport_stats rtnl_stats;
429 struct dpif_linux_vport vport;
432 netdev_stats_to_ovs_vport_stats(&rtnl_stats, stats);
434 dpif_linux_vport_init(&vport);
435 vport.cmd = OVS_VPORT_CMD_SET;
436 vport.name = netdev_get_name(netdev);
437 vport.stats = &rtnl_stats;
439 err = dpif_linux_vport_transact(&vport, NULL, NULL);
441 /* If the vport layer doesn't know about the device, that doesn't mean it
442 * doesn't exist (after all were able to open it when netdev_open() was
443 * called), it just means that it isn't attached and we'll be getting
444 * stats a different way. */
453 netdev_vport_get_status(const struct netdev *netdev, struct shash *sh)
455 const char *iface = netdev_vport_get_tnl_iface(netdev);
458 struct netdev *egress_netdev;
460 shash_add(sh, "tunnel_egress_iface", xstrdup(iface));
462 if (!netdev_open(iface, "system", &egress_netdev)) {
463 shash_add(sh, "tunnel_egress_iface_carrier",
464 xstrdup(netdev_get_carrier(egress_netdev)
466 netdev_close(egress_netdev);
474 netdev_vport_update_flags(struct netdev *netdev OVS_UNUSED,
475 enum netdev_flags off, enum netdev_flags on OVS_UNUSED,
476 enum netdev_flags *old_flagsp)
478 if (off & (NETDEV_UP | NETDEV_PROMISC)) {
482 *old_flagsp = NETDEV_UP | NETDEV_PROMISC;
487 netdev_vport_change_seq(const struct netdev *netdev)
489 return netdev_dev_vport_cast(netdev_get_dev(netdev))->change_seq;
493 netdev_vport_run(void)
499 netdev_vport_wait(void)
504 /* get_tnl_iface() implementation. */
506 netdev_vport_get_tnl_iface(const struct netdev *netdev)
508 struct nlattr *a[OVS_TUNNEL_ATTR_MAX + 1];
510 struct netdev_dev_vport *ndv;
511 static char name[IFNAMSIZ];
513 ndv = netdev_dev_vport_cast(netdev_get_dev(netdev));
514 if (tnl_port_config_from_nlattr(ndv->options->data, ndv->options->size,
518 route = nl_attr_get_be32(a[OVS_TUNNEL_ATTR_DST_IPV4]);
520 if (route_table_get_name(route, name)) {
527 /* Helper functions. */
530 netdev_vport_poll_notify(const struct netdev *netdev)
532 struct netdev_dev_vport *ndv;
534 ndv = netdev_dev_vport_cast(netdev_get_dev(netdev));
537 if (!ndv->change_seq) {
542 /* Code specific to individual vport types. */
545 set_key(const struct shash *args, const char *name, uint16_t type,
546 struct ofpbuf *options)
550 s = shash_find_data(args, name);
552 s = shash_find_data(args, "key");
558 if (!strcmp(s, "flow")) {
559 /* This is the default if no attribute is present. */
561 nl_msg_put_be64(options, type, htonll(strtoull(s, NULL, 0)));
566 parse_tunnel_config(const char *name, const char *type,
567 const struct shash *args, struct ofpbuf *options)
570 bool is_ipsec = false;
571 struct shash_node *node;
572 bool ipsec_mech_set = false;
573 ovs_be32 daddr = htonl(0);
576 flags = TNL_F_DF_DEFAULT | TNL_F_PMTUD | TNL_F_HDR_CACHE;
577 if (!strcmp(type, "gre")) {
579 } else if (!strcmp(type, "ipsec_gre")) {
582 flags |= TNL_F_IPSEC;
583 flags &= ~TNL_F_HDR_CACHE;
586 SHASH_FOR_EACH (node, args) {
587 if (!strcmp(node->name, "remote_ip")) {
588 struct in_addr in_addr;
589 if (lookup_ip(node->data, &in_addr)) {
590 VLOG_WARN("%s: bad %s 'remote_ip'", name, type);
592 daddr = in_addr.s_addr;
594 } else if (!strcmp(node->name, "local_ip")) {
595 struct in_addr in_addr;
596 if (lookup_ip(node->data, &in_addr)) {
597 VLOG_WARN("%s: bad %s 'local_ip'", name, type);
599 nl_msg_put_be32(options, OVS_TUNNEL_ATTR_SRC_IPV4,
602 } else if (!strcmp(node->name, "tos")) {
603 if (!strcmp(node->data, "inherit")) {
604 flags |= TNL_F_TOS_INHERIT;
606 nl_msg_put_u8(options, OVS_TUNNEL_ATTR_TOS, atoi(node->data));
608 } else if (!strcmp(node->name, "ttl")) {
609 if (!strcmp(node->data, "inherit")) {
610 flags |= TNL_F_TTL_INHERIT;
612 nl_msg_put_u8(options, OVS_TUNNEL_ATTR_TTL, atoi(node->data));
614 } else if (!strcmp(node->name, "csum") && is_gre) {
615 if (!strcmp(node->data, "true")) {
618 } else if (!strcmp(node->name, "df_inherit")) {
619 if (!strcmp(node->data, "true")) {
620 flags |= TNL_F_DF_INHERIT;
622 } else if (!strcmp(node->name, "df_default")) {
623 if (!strcmp(node->data, "false")) {
624 flags &= ~TNL_F_DF_DEFAULT;
626 } else if (!strcmp(node->name, "pmtud")) {
627 if (!strcmp(node->data, "false")) {
628 flags &= ~TNL_F_PMTUD;
630 } else if (!strcmp(node->name, "header_cache")) {
631 if (!strcmp(node->data, "false")) {
632 flags &= ~TNL_F_HDR_CACHE;
634 } else if (!strcmp(node->name, "peer_cert") && is_ipsec) {
635 if (shash_find(args, "certificate")) {
636 ipsec_mech_set = true;
638 const char *use_ssl_cert;
640 /* If the "use_ssl_cert" is true, then "certificate" and
641 * "private_key" will be pulled from the SSL table. The
642 * use of this option is strongly discouraged, since it
643 * will like be removed when multiple SSL configurations
644 * are supported by OVS.
646 use_ssl_cert = shash_find_data(args, "use_ssl_cert");
647 if (!use_ssl_cert || strcmp(use_ssl_cert, "true")) {
648 VLOG_ERR("%s: 'peer_cert' requires 'certificate' argument",
652 ipsec_mech_set = true;
654 } else if (!strcmp(node->name, "psk") && is_ipsec) {
655 ipsec_mech_set = true;
657 && (!strcmp(node->name, "certificate")
658 || !strcmp(node->name, "private_key")
659 || !strcmp(node->name, "use_ssl_cert"))) {
660 /* Ignore options not used by the netdev. */
661 } else if (!strcmp(node->name, "key") ||
662 !strcmp(node->name, "in_key") ||
663 !strcmp(node->name, "out_key")) {
664 /* Handled separately below. */
666 VLOG_WARN("%s: unknown %s argument '%s'", name, type, node->name);
671 char *file_name = xasprintf("%s/%s", ovs_rundir(),
672 "ovs-monitor-ipsec.pid");
673 pid_t pid = read_pidfile(file_name);
676 VLOG_ERR("%s: IPsec requires the ovs-monitor-ipsec daemon",
681 if (shash_find(args, "peer_cert") && shash_find(args, "psk")) {
682 VLOG_ERR("%s: cannot define both 'peer_cert' and 'psk'", name);
686 if (!ipsec_mech_set) {
687 VLOG_ERR("%s: IPsec requires an 'peer_cert' or psk' argument",
693 set_key(args, "in_key", OVS_TUNNEL_ATTR_IN_KEY, options);
694 set_key(args, "out_key", OVS_TUNNEL_ATTR_OUT_KEY, options);
697 VLOG_ERR("%s: %s type requires valid 'remote_ip' argument",
701 nl_msg_put_be32(options, OVS_TUNNEL_ATTR_DST_IPV4, daddr);
703 nl_msg_put_u32(options, OVS_TUNNEL_ATTR_FLAGS, flags);
709 tnl_port_config_from_nlattr(const struct nlattr *options, size_t options_len,
710 struct nlattr *a[OVS_TUNNEL_ATTR_MAX + 1])
712 static const struct nl_policy ovs_tunnel_policy[] = {
713 [OVS_TUNNEL_ATTR_FLAGS] = { .type = NL_A_U32 },
714 [OVS_TUNNEL_ATTR_DST_IPV4] = { .type = NL_A_BE32 },
715 [OVS_TUNNEL_ATTR_SRC_IPV4] = { .type = NL_A_BE32, .optional = true },
716 [OVS_TUNNEL_ATTR_IN_KEY] = { .type = NL_A_BE64, .optional = true },
717 [OVS_TUNNEL_ATTR_OUT_KEY] = { .type = NL_A_BE64, .optional = true },
718 [OVS_TUNNEL_ATTR_TOS] = { .type = NL_A_U8, .optional = true },
719 [OVS_TUNNEL_ATTR_TTL] = { .type = NL_A_U8, .optional = true },
723 ofpbuf_use_const(&buf, options, options_len);
724 if (!nl_policy_parse(&buf, 0, ovs_tunnel_policy,
725 a, ARRAY_SIZE(ovs_tunnel_policy))) {
732 get_be64_or_zero(const struct nlattr *a)
734 return a ? ntohll(nl_attr_get_be64(a)) : 0;
738 unparse_tunnel_config(const char *name OVS_UNUSED, const char *type OVS_UNUSED,
739 const struct nlattr *options, size_t options_len,
742 struct nlattr *a[OVS_TUNNEL_ATTR_MAX + 1];
747 error = tnl_port_config_from_nlattr(options, options_len, a);
752 flags = nl_attr_get_u32(a[OVS_TUNNEL_ATTR_FLAGS]);
753 if (!(flags & TNL_F_HDR_CACHE) == !(flags & TNL_F_IPSEC)) {
754 smap_add(args, "header_cache",
755 flags & TNL_F_HDR_CACHE ? "true" : "false");
758 daddr = nl_attr_get_be32(a[OVS_TUNNEL_ATTR_DST_IPV4]);
759 shash_add(args, "remote_ip", xasprintf(IP_FMT, IP_ARGS(&daddr)));
761 if (a[OVS_TUNNEL_ATTR_SRC_IPV4]) {
762 ovs_be32 saddr = nl_attr_get_be32(a[OVS_TUNNEL_ATTR_SRC_IPV4]);
763 shash_add(args, "local_ip", xasprintf(IP_FMT, IP_ARGS(&saddr)));
766 if (!a[OVS_TUNNEL_ATTR_IN_KEY] && !a[OVS_TUNNEL_ATTR_OUT_KEY]) {
767 smap_add(args, "key", "flow");
769 uint64_t in_key = get_be64_or_zero(a[OVS_TUNNEL_ATTR_IN_KEY]);
770 uint64_t out_key = get_be64_or_zero(a[OVS_TUNNEL_ATTR_OUT_KEY]);
772 if (in_key && in_key == out_key) {
773 shash_add(args, "key", xasprintf("%"PRIu64, in_key));
775 if (!a[OVS_TUNNEL_ATTR_IN_KEY]) {
776 smap_add(args, "in_key", "flow");
778 shash_add(args, "in_key", xasprintf("%"PRIu64, in_key));
781 if (!a[OVS_TUNNEL_ATTR_OUT_KEY]) {
782 smap_add(args, "out_key", "flow");
783 } else if (out_key) {
784 shash_add(args, "out_key", xasprintf("%"PRIu64, out_key));
789 if (flags & TNL_F_TTL_INHERIT) {
790 smap_add(args, "tos", "inherit");
791 } else if (a[OVS_TUNNEL_ATTR_TTL]) {
792 int ttl = nl_attr_get_u8(a[OVS_TUNNEL_ATTR_TTL]);
793 shash_add(args, "tos", xasprintf("%d", ttl));
796 if (flags & TNL_F_TOS_INHERIT) {
797 smap_add(args, "tos", "inherit");
798 } else if (a[OVS_TUNNEL_ATTR_TOS]) {
799 int tos = nl_attr_get_u8(a[OVS_TUNNEL_ATTR_TOS]);
800 shash_add(args, "tos", xasprintf("%d", tos));
803 if (flags & TNL_F_CSUM) {
804 smap_add(args, "csum", "true");
806 if (flags & TNL_F_DF_INHERIT) {
807 smap_add(args, "df_inherit", "true");
809 if (!(flags & TNL_F_DF_DEFAULT)) {
810 smap_add(args, "df_default", "false");
812 if (!(flags & TNL_F_PMTUD)) {
813 smap_add(args, "pmtud", "false");
820 parse_patch_config(const char *name, const char *type OVS_UNUSED,
821 const struct shash *args, struct ofpbuf *options)
825 peer = shash_find_data(args, "peer");
827 VLOG_ERR("%s: patch type requires valid 'peer' argument", name);
831 if (shash_count(args) > 1) {
832 VLOG_ERR("%s: patch type takes only a 'peer' argument", name);
836 if (strlen(peer) >= IFNAMSIZ) {
837 VLOG_ERR("%s: patch 'peer' arg too long", name);
841 if (!strcmp(name, peer)) {
842 VLOG_ERR("%s: patch peer must not be self", name);
846 nl_msg_put_string(options, OVS_PATCH_ATTR_PEER, peer);
852 unparse_patch_config(const char *name OVS_UNUSED, const char *type OVS_UNUSED,
853 const struct nlattr *options, size_t options_len,
856 static const struct nl_policy ovs_patch_policy[] = {
857 [OVS_PATCH_ATTR_PEER] = { .type = NL_A_STRING,
862 struct nlattr *a[ARRAY_SIZE(ovs_patch_policy)];
865 ofpbuf_use_const(&buf, options, options_len);
866 if (!nl_policy_parse(&buf, 0, ovs_patch_policy,
867 a, ARRAY_SIZE(ovs_patch_policy))) {
871 smap_add(args, "peer", nl_attr_get_string(a[OVS_PATCH_ATTR_PEER]));
875 #define VPORT_FUNCTIONS(GET_STATUS) \
880 netdev_vport_create, \
881 netdev_vport_destroy, \
882 netdev_vport_get_config, \
883 netdev_vport_set_config, \
886 netdev_vport_close, \
888 NULL, /* enumerate */ \
892 NULL, /* recv_wait */ \
895 netdev_vport_send, /* send */ \
896 NULL, /* send_wait */ \
898 netdev_vport_set_etheraddr, \
899 netdev_vport_get_etheraddr, \
900 NULL, /* get_mtu */ \
901 NULL, /* set_mtu */ \
902 NULL, /* get_ifindex */ \
903 NULL, /* get_carrier */ \
904 NULL, /* get_miimon */ \
905 netdev_vport_get_stats, \
906 netdev_vport_set_stats, \
908 NULL, /* get_features */ \
909 NULL, /* set_advertisements */ \
910 NULL, /* get_vlan_vid */ \
912 NULL, /* set_policing */ \
913 NULL, /* get_qos_types */ \
914 NULL, /* get_qos_capabilities */ \
915 NULL, /* get_qos */ \
916 NULL, /* set_qos */ \
917 NULL, /* get_queue */ \
918 NULL, /* set_queue */ \
919 NULL, /* delete_queue */ \
920 NULL, /* get_queue_stats */ \
921 NULL, /* dump_queues */ \
922 NULL, /* dump_queue_stats */ \
924 NULL, /* get_in4 */ \
925 NULL, /* set_in4 */ \
926 NULL, /* get_in6 */ \
927 NULL, /* add_router */ \
928 NULL, /* get_next_hop */ \
930 NULL, /* arp_lookup */ \
932 netdev_vport_update_flags, \
934 netdev_vport_change_seq
937 netdev_vport_register(void)
939 static const struct vport_class vport_classes[] = {
940 { OVS_VPORT_TYPE_GRE,
941 { "gre", VPORT_FUNCTIONS(netdev_vport_get_status) },
942 parse_tunnel_config, unparse_tunnel_config },
944 { OVS_VPORT_TYPE_GRE,
945 { "ipsec_gre", VPORT_FUNCTIONS(netdev_vport_get_status) },
946 parse_tunnel_config, unparse_tunnel_config },
948 { OVS_VPORT_TYPE_CAPWAP,
949 { "capwap", VPORT_FUNCTIONS(netdev_vport_get_status) },
950 parse_tunnel_config, unparse_tunnel_config },
952 { OVS_VPORT_TYPE_PATCH,
953 { "patch", VPORT_FUNCTIONS(NULL) },
954 parse_patch_config, unparse_patch_config }
959 for (i = 0; i < ARRAY_SIZE(vport_classes); i++) {
960 netdev_register_provider(&vport_classes[i].netdev_class);