/*
- * Copyright (c) 2010 Nicira Networks.
+ * Copyright (c) 2010, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*/
#include <config.h>
+
+#include "netdev-vport.h"
+
#include <errno.h>
#include <fcntl.h>
+#include <sys/socket.h>
+#include <linux/rtnetlink.h>
+#include <net/if.h>
#include <sys/ioctl.h>
+#include "byte-order.h"
+#include "hash.h"
+#include "hmap.h"
#include "list.h"
-#include "netdev-vport.h"
+#include "netdev-provider.h"
+#include "netlink.h"
+#include "netlink-socket.h"
+#include "ofpbuf.h"
#include "openvswitch/datapath-protocol.h"
+#include "openvswitch/tunnel.h"
+#include "packets.h"
+#include "rtnetlink.h"
+#include "route-table.h"
+#include "rtnetlink-link.h"
#include "shash.h"
#include "socket-util.h"
#include "vlog.h"
-VLOG_DEFINE_THIS_MODULE(netdev_vport)
+VLOG_DEFINE_THIS_MODULE(netdev_vport);
+
+static struct hmap name_map;
+static struct rtnetlink_notifier netdev_vport_link_notifier;
+
+struct name_node {
+ struct hmap_node node; /* Node in name_map. */
+ uint32_t ifi_index; /* Kernel interface index. */
+
+ char ifname[IFNAMSIZ]; /* Interface name. */
+};
struct netdev_vport_notifier {
struct netdev_notifier notifier;
struct shash_node *shash_node;
};
+struct netdev_dev_vport {
+ struct netdev_dev netdev_dev;
+ uint64_t config[VPORT_CONFIG_SIZE / 8];
+};
+
+struct netdev_vport {
+ struct netdev netdev;
+};
+
+struct vport_class {
+ struct netdev_class netdev_class;
+ int (*parse_config)(const struct netdev_dev *, const struct shash *args,
+ void *config);
+};
+
static struct shash netdev_vport_notifiers =
SHASH_INITIALIZER(&netdev_vport_notifiers);
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
-int
-netdev_vport_do_ioctl(int cmd, void *arg)
+static int netdev_vport_do_ioctl(int cmd, void *arg);
+static int netdev_vport_create(const struct netdev_class *, const char *,
+ const struct shash *, struct netdev_dev **);
+static void netdev_vport_poll_notify(const struct netdev *);
+
+static void netdev_vport_tnl_iface_init(void);
+static void netdev_vport_link_change(const struct rtnetlink_link_change *,
+ void *);
+static const char *netdev_vport_get_tnl_iface(const struct netdev *netdev);
+
+static bool
+is_vport_class(const struct netdev_class *class)
{
- static int ioctl_fd = -1;
+ return class->create == netdev_vport_create;
+}
- if (ioctl_fd < 0) {
- ioctl_fd = open("/dev/net/dp0", O_RDONLY | O_NONBLOCK);
- if (ioctl_fd < 0) {
- VLOG_ERR_RL(&rl, "failed to open ioctl fd: %s", strerror(errno));
- return errno;
- }
+static const struct vport_class *
+vport_class_cast(const struct netdev_class *class)
+{
+ assert(is_vport_class(class));
+ return CONTAINER_OF(class, struct vport_class, netdev_class);
+}
+
+static struct netdev_dev_vport *
+netdev_dev_vport_cast(const struct netdev_dev *netdev_dev)
+{
+ assert(is_vport_class(netdev_dev_get_class(netdev_dev)));
+ return CONTAINER_OF(netdev_dev, struct netdev_dev_vport, netdev_dev);
+}
+
+static struct netdev_vport *
+netdev_vport_cast(const struct netdev *netdev)
+{
+ struct netdev_dev *netdev_dev = netdev_get_dev(netdev);
+ assert(is_vport_class(netdev_dev_get_class(netdev_dev)));
+ return CONTAINER_OF(netdev, struct netdev_vport, netdev);
+}
+
+/* If 'netdev' is a vport netdev, copies its kernel configuration into
+ * 'config'. Otherwise leaves 'config' untouched. */
+void
+netdev_vport_get_config(const struct netdev *netdev, void *config)
+{
+ const struct netdev_dev *dev = netdev_get_dev(netdev);
+
+ if (is_vport_class(netdev_dev_get_class(dev))) {
+ const struct netdev_dev_vport *vport = netdev_dev_vport_cast(dev);
+ memcpy(config, vport->config, VPORT_CONFIG_SIZE);
}
+}
- return ioctl(ioctl_fd, cmd, arg) ? errno : 0;
+static int
+netdev_vport_init(void)
+{
+ netdev_vport_tnl_iface_init();
+ route_table_register();
+ return 0;
}
-int
+static int
+netdev_vport_create(const struct netdev_class *netdev_class, const char *name,
+ const struct shash *args,
+ struct netdev_dev **netdev_devp)
+{
+ const struct vport_class *vport_class = vport_class_cast(netdev_class);
+ struct netdev_dev_vport *dev;
+ int error;
+
+ dev = xmalloc(sizeof *dev);
+ *netdev_devp = &dev->netdev_dev;
+ netdev_dev_init(&dev->netdev_dev, name, netdev_class);
+
+ memset(dev->config, 0, sizeof dev->config);
+ error = vport_class->parse_config(&dev->netdev_dev, args, dev->config);
+
+ if (error) {
+ netdev_dev_uninit(&dev->netdev_dev, true);
+ }
+ return error;
+}
+
+static void
+netdev_vport_destroy(struct netdev_dev *netdev_dev_)
+{
+ struct netdev_dev_vport *netdev_dev = netdev_dev_vport_cast(netdev_dev_);
+
+ route_table_unregister();
+ free(netdev_dev);
+}
+
+static int
+netdev_vport_open(struct netdev_dev *netdev_dev_, int ethertype OVS_UNUSED,
+ struct netdev **netdevp)
+{
+ struct netdev_vport *netdev;
+
+ netdev = xmalloc(sizeof *netdev);
+ netdev_init(&netdev->netdev, netdev_dev_);
+
+ *netdevp = &netdev->netdev;
+ return 0;
+}
+
+static void
+netdev_vport_close(struct netdev *netdev_)
+{
+ struct netdev_vport *netdev = netdev_vport_cast(netdev_);
+ free(netdev);
+}
+
+static int
+netdev_vport_reconfigure(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_);
+ struct odp_port port;
+ int error;
+
+ memset(&port, 0, sizeof port);
+ strncpy(port.devname, netdev_dev_get_name(dev_), sizeof port.devname);
+ strncpy(port.type, netdev_dev_get_type(dev_), sizeof port.type);
+ error = vport_class->parse_config(dev_, args, port.config);
+ if (!error && memcmp(port.config, dev->config, sizeof dev->config)) {
+ error = netdev_vport_do_ioctl(ODP_VPORT_MOD, &port);
+ 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()). */
+ memcpy(dev->config, port.config, sizeof dev->config);
+ }
+ }
+ return error;
+}
+
+static int
netdev_vport_set_etheraddr(struct netdev *netdev,
const uint8_t mac[ETH_ADDR_LEN])
{
return 0;
}
-int
+static int
netdev_vport_get_etheraddr(const struct netdev *netdev,
uint8_t mac[ETH_ADDR_LEN])
{
return 0;
}
-int
+static int
netdev_vport_get_mtu(const struct netdev *netdev, int *mtup)
{
struct odp_vport_mtu vport_mtu;
return 0;
}
-int
-netdev_vport_get_carrier(const struct netdev *netdev OVS_UNUSED, bool *carrier)
-{
- *carrier = true;
- return 0;
-}
-
int
netdev_vport_get_stats(const struct netdev *netdev, struct netdev_stats *stats)
{
stats->tx_errors = ovsr.stats.tx_errors;
stats->rx_dropped = ovsr.stats.rx_dropped;
stats->tx_dropped = ovsr.stats.tx_dropped;
- stats->multicast = UINT64_MAX;
+ stats->multicast = ovsr.stats.multicast;
stats->collisions = ovsr.stats.collisions;
- stats->rx_length_errors = UINT64_MAX;
- stats->rx_over_errors = ovsr.stats.rx_over_err;
- stats->rx_crc_errors = ovsr.stats.rx_crc_err;
- stats->rx_frame_errors = ovsr.stats.rx_frame_err;
- stats->rx_fifo_errors = UINT64_MAX;
- stats->rx_missed_errors = UINT64_MAX;
- stats->tx_aborted_errors = UINT64_MAX;
- stats->tx_carrier_errors = UINT64_MAX;
- stats->tx_fifo_errors = UINT64_MAX;
- stats->tx_heartbeat_errors = UINT64_MAX;
- stats->tx_window_errors = UINT64_MAX;
+ stats->rx_length_errors = ovsr.stats.rx_length_errors;
+ stats->rx_over_errors = ovsr.stats.rx_over_errors;
+ stats->rx_crc_errors = ovsr.stats.rx_crc_errors;
+ stats->rx_frame_errors = ovsr.stats.rx_frame_errors;
+ stats->rx_fifo_errors = ovsr.stats.rx_fifo_errors;
+ stats->rx_missed_errors = ovsr.stats.rx_missed_errors;
+ stats->tx_aborted_errors = ovsr.stats.tx_aborted_errors;
+ stats->tx_carrier_errors = ovsr.stats.tx_carrier_errors;
+ stats->tx_fifo_errors = ovsr.stats.tx_fifo_errors;
+ stats->tx_heartbeat_errors = ovsr.stats.tx_heartbeat_errors;
+ stats->tx_window_errors = ovsr.stats.tx_window_errors;
return 0;
}
ovsr.stats.tx_errors = stats->tx_errors;
ovsr.stats.rx_dropped = stats->rx_dropped;
ovsr.stats.tx_dropped = stats->tx_dropped;
+ ovsr.stats.multicast = stats->multicast;
ovsr.stats.collisions = stats->collisions;
- ovsr.stats.rx_over_err = stats->rx_over_errors;
- ovsr.stats.rx_crc_err = stats->rx_crc_errors;
- ovsr.stats.rx_frame_err = stats->rx_frame_errors;
+ ovsr.stats.rx_length_errors = stats->rx_length_errors;
+ ovsr.stats.rx_over_errors = stats->rx_over_errors;
+ ovsr.stats.rx_crc_errors = stats->rx_crc_errors;
+ ovsr.stats.rx_frame_errors = stats->rx_frame_errors;
+ ovsr.stats.rx_fifo_errors = stats->rx_fifo_errors;
+ ovsr.stats.rx_missed_errors = stats->rx_missed_errors;
+ ovsr.stats.tx_aborted_errors = stats->tx_aborted_errors;
+ ovsr.stats.tx_carrier_errors = stats->tx_carrier_errors;
+ ovsr.stats.tx_fifo_errors = stats->tx_fifo_errors;
+ ovsr.stats.tx_heartbeat_errors = stats->tx_heartbeat_errors;
+ ovsr.stats.tx_window_errors = stats->tx_window_errors;
err = netdev_vport_do_ioctl(ODP_VPORT_STATS_SET, &ovsr);
return err;
}
-int
+static int
+netdev_vport_get_status(const struct netdev *netdev, struct shash *sh)
+{
+ const char *iface = netdev_vport_get_tnl_iface(netdev);
+
+ if (iface) {
+ struct netdev *egress_netdev;
+
+ shash_add(sh, "tunnel_egress_iface", xstrdup(iface));
+
+ if (!netdev_open_default(iface, &egress_netdev)) {
+ shash_add(sh, "tunnel_egress_iface_carrier",
+ xstrdup(netdev_get_carrier(egress_netdev)
+ ? "up" : "down"));
+ netdev_close(egress_netdev);
+ }
+ }
+
+ return 0;
+}
+
+static int
netdev_vport_update_flags(struct netdev *netdev OVS_UNUSED,
enum netdev_flags off, enum netdev_flags on OVS_UNUSED,
enum netdev_flags *old_flagsp)
return xasprintf("%s:%s", netdev_get_type(netdev), netdev_get_name(netdev));
}
-int
+static int
netdev_vport_poll_add(struct netdev *netdev,
void (*cb)(struct netdev_notifier *), void *aux,
struct netdev_notifier **notifierp)
if (!shash_node) {
list = xmalloc(sizeof *list);
list_init(list);
- shash_node = shash_add(&netdev_vport_notifiers,
- netdev_get_name(netdev), list);
+ shash_node = shash_add(&netdev_vport_notifiers, poll_name, list);
} else {
list = shash_node->data;
}
return 0;
}
-void
+static void
netdev_vport_poll_remove(struct netdev_notifier *notifier_)
{
struct netdev_vport_notifier *notifier =
free(notifier);
}
-void
+static void
+netdev_vport_run(void)
+{
+ rtnetlink_link_notifier_run();
+ route_table_run();
+}
+
+static void
+netdev_vport_wait(void)
+{
+ rtnetlink_link_notifier_wait();
+ route_table_wait();
+}
+\f
+/* get_tnl_iface() implementation. */
+
+static struct name_node *
+name_node_lookup(int ifi_index)
+{
+ struct name_node *nn;
+
+ HMAP_FOR_EACH_WITH_HASH(nn, node, hash_int(ifi_index, 0), &name_map) {
+ if (nn->ifi_index == ifi_index) {
+ return nn;
+ }
+ }
+
+ return NULL;
+}
+
+/* Queries the kernel for fresh data to populate the name map with. */
+static int
+netdev_vport_reset_names(void)
+{
+ int error;
+ struct nl_dump dump;
+ struct rtgenmsg *rtmsg;
+ struct ofpbuf request, reply;
+ static struct nl_sock *rtnl_sock;
+ struct name_node *nn, *nn_next;
+
+ HMAP_FOR_EACH_SAFE(nn, nn_next, node, &name_map) {
+ hmap_remove(&name_map, &nn->node);
+ free(nn);
+ }
+
+ error = nl_sock_create(NETLINK_ROUTE, &rtnl_sock);
+ if (error) {
+ VLOG_WARN_RL(&rl, "Failed to create NETLINK_ROUTE socket");
+ return error;
+ }
+
+ ofpbuf_init(&request, 0);
+
+ nl_msg_put_nlmsghdr(&request, sizeof *rtmsg, RTM_GETLINK, NLM_F_REQUEST);
+
+ rtmsg = ofpbuf_put_zeros(&request, sizeof *rtmsg);
+ rtmsg->rtgen_family = AF_INET;
+
+ nl_dump_start(&dump, rtnl_sock, &request);
+
+ while (nl_dump_next(&dump, &reply)) {
+ struct rtnetlink_link_change change;
+
+ if (rtnetlink_link_parse(&reply, &change)) {
+ netdev_vport_link_change(&change, NULL);
+ }
+ }
+
+ error = nl_dump_done(&dump);
+ nl_sock_destroy(rtnl_sock);
+
+ return error;
+}
+
+static void
+netdev_vport_link_change(const struct rtnetlink_link_change *change,
+ void *aux OVS_UNUSED)
+{
+
+ if (!change) {
+ netdev_vport_reset_names();
+ } else if (change->nlmsg_type == RTM_NEWLINK) {
+ struct name_node *nn;
+
+ if (name_node_lookup(change->ifi_index)) {
+ return;
+ }
+
+ nn = xzalloc(sizeof *nn);
+ nn->ifi_index = change->ifi_index;
+
+ strncpy(nn->ifname, change->ifname, IFNAMSIZ);
+ nn->ifname[IFNAMSIZ - 1] = '\0';
+
+ hmap_insert(&name_map, &nn->node, hash_int(nn->ifi_index, 0));
+ } else if (change->nlmsg_type == RTM_DELLINK) {
+ struct name_node *nn;
+
+ nn = name_node_lookup(change->ifi_index);
+
+ if (nn) {
+ hmap_remove(&name_map, &nn->node);
+ free(nn);
+ }
+
+ } else {
+ VLOG_WARN_RL(&rl, "Received unexpected rtnetlink message type %d",
+ change->nlmsg_type);
+ }
+}
+
+static void
+netdev_vport_tnl_iface_init(void)
+{
+ static bool tnl_iface_is_init = false;
+
+ if (!tnl_iface_is_init) {
+ hmap_init(&name_map);
+
+ rtnetlink_link_notifier_register(&netdev_vport_link_notifier,
+ netdev_vport_link_change, NULL);
+
+ netdev_vport_reset_names();
+ tnl_iface_is_init = true;
+ }
+}
+
+static const char *
+netdev_vport_get_tnl_iface(const struct netdev *netdev)
+{
+ int ifindex;
+ uint32_t route;
+ struct netdev_dev_vport *ndv;
+ struct tnl_port_config *config;
+
+ ndv = netdev_dev_vport_cast(netdev_get_dev(netdev));
+ config = (struct tnl_port_config *) ndv->config;
+ route = config->daddr;
+
+ if (route_table_get_ifindex(route, &ifindex)) {
+ struct name_node *nn;
+ HMAP_FOR_EACH_WITH_HASH(nn, node, hash_int(ifindex, 0), &name_map) {
+ if (nn->ifi_index == ifindex) {
+ return nn->ifname;
+ }
+ }
+ }
+
+ return NULL;
+}
+\f
+/* Helper functions. */
+
+static int
+netdev_vport_do_ioctl(int cmd, void *arg)
+{
+ static int ioctl_fd = -1;
+
+ if (ioctl_fd < 0) {
+ ioctl_fd = open("/dev/net/dp0", O_RDONLY | O_NONBLOCK);
+ if (ioctl_fd < 0) {
+ VLOG_ERR_RL(&rl, "failed to open ioctl fd: %s", strerror(errno));
+ return errno;
+ }
+ }
+
+ return ioctl(ioctl_fd, cmd, arg) ? errno : 0;
+}
+
+static void
netdev_vport_poll_notify(const struct netdev *netdev)
{
char *poll_name = make_poll_name(netdev);
free(poll_name);
}
+\f
+/* Code specific to individual vport types. */
+
+static int
+parse_tunnel_config(const struct netdev_dev *dev, const struct shash *args,
+ void *configp)
+{
+ const char *name = netdev_dev_get_name(dev);
+ const char *type = netdev_dev_get_type(dev);
+ bool is_gre = false;
+ bool is_ipsec = false;
+ struct tnl_port_config config;
+ struct shash_node *node;
+ bool ipsec_mech_set = false;
+
+ memset(&config, 0, sizeof config);
+ config.flags |= TNL_F_PMTUD;
+ config.flags |= TNL_F_HDR_CACHE;
+
+ if (!strcmp(type, "gre")) {
+ is_gre = true;
+ } else if (!strcmp(type, "ipsec_gre")) {
+ is_gre = true;
+ is_ipsec = true;
+
+ config.flags |= TNL_F_IPSEC;
+
+ /* IPsec doesn't work when header caching is enabled. */
+ config.flags &= ~TNL_F_HDR_CACHE;
+ }
+
+ SHASH_FOR_EACH (node, args) {
+ if (!strcmp(node->name, "remote_ip")) {
+ struct in_addr in_addr;
+ if (lookup_ip(node->data, &in_addr)) {
+ VLOG_WARN("%s: bad %s 'remote_ip'", name, type);
+ } else {
+ config.daddr = in_addr.s_addr;
+ }
+ } else if (!strcmp(node->name, "local_ip")) {
+ struct in_addr in_addr;
+ if (lookup_ip(node->data, &in_addr)) {
+ VLOG_WARN("%s: bad %s 'local_ip'", name, type);
+ } else {
+ config.saddr = in_addr.s_addr;
+ }
+ } else if (!strcmp(node->name, "key") && is_gre) {
+ if (!strcmp(node->data, "flow")) {
+ config.flags |= TNL_F_IN_KEY_MATCH;
+ config.flags |= TNL_F_OUT_KEY_ACTION;
+ } else {
+ uint64_t key = strtoull(node->data, NULL, 0);
+ config.out_key = config.in_key = htonll(key);
+ }
+ } else if (!strcmp(node->name, "in_key") && is_gre) {
+ if (!strcmp(node->data, "flow")) {
+ config.flags |= TNL_F_IN_KEY_MATCH;
+ } else {
+ config.in_key = htonll(strtoull(node->data, NULL, 0));
+ }
+ } else if (!strcmp(node->name, "out_key") && is_gre) {
+ if (!strcmp(node->data, "flow")) {
+ config.flags |= TNL_F_OUT_KEY_ACTION;
+ } else {
+ config.out_key = htonll(strtoull(node->data, NULL, 0));
+ }
+ } else if (!strcmp(node->name, "tos")) {
+ if (!strcmp(node->data, "inherit")) {
+ config.flags |= TNL_F_TOS_INHERIT;
+ } else {
+ config.tos = atoi(node->data);
+ }
+ } else if (!strcmp(node->name, "ttl")) {
+ if (!strcmp(node->data, "inherit")) {
+ config.flags |= TNL_F_TTL_INHERIT;
+ } else {
+ config.ttl = atoi(node->data);
+ }
+ } else if (!strcmp(node->name, "csum") && is_gre) {
+ if (!strcmp(node->data, "true")) {
+ config.flags |= TNL_F_CSUM;
+ }
+ } else if (!strcmp(node->name, "pmtud")) {
+ if (!strcmp(node->data, "false")) {
+ config.flags &= ~TNL_F_PMTUD;
+ }
+ } else if (!strcmp(node->name, "header_cache")) {
+ if (!strcmp(node->data, "false")) {
+ config.flags &= ~TNL_F_HDR_CACHE;
+ }
+ } else if (!strcmp(node->name, "peer_cert") && is_ipsec) {
+ if (shash_find(args, "certificate")) {
+ ipsec_mech_set = true;
+ } else {
+ const char *use_ssl_cert;
+
+ /* If the "use_ssl_cert" is true, then "certificate" and
+ * "private_key" will be pulled from the SSL table. The
+ * use of this option is strongly discouraged, since it
+ * will like be removed when multiple SSL configurations
+ * are supported by OVS.
+ */
+ use_ssl_cert = shash_find_data(args, "use_ssl_cert");
+ if (!use_ssl_cert || strcmp(use_ssl_cert, "true")) {
+ VLOG_WARN("%s: 'peer_cert' requires 'certificate' argument",
+ name);
+ return EINVAL;
+ }
+ ipsec_mech_set = true;
+ }
+ } else if (!strcmp(node->name, "psk") && is_ipsec) {
+ ipsec_mech_set = true;
+ } else if (is_ipsec
+ && (!strcmp(node->name, "certificate")
+ || !strcmp(node->name, "private_key")
+ || !strcmp(node->name, "use_ssl_cert"))) {
+ /* Ignore options not used by the netdev. */
+ } else {
+ VLOG_WARN("%s: unknown %s argument '%s'",
+ name, type, node->name);
+ }
+ }
+
+ if (is_ipsec) {
+ if (shash_find(args, "peer_cert") && shash_find(args, "psk")) {
+ VLOG_WARN("%s: cannot define both 'peer_cert' and 'psk'", name);
+ return EINVAL;
+ }
+
+ if (!ipsec_mech_set) {
+ VLOG_WARN("%s: IPsec requires an 'peer_cert' or psk' argument",
+ name);
+ return EINVAL;
+ }
+ }
+
+ if (!config.daddr) {
+ VLOG_WARN("%s: %s type requires valid 'remote_ip' argument",
+ name, type);
+ return EINVAL;
+ }
+
+ BUILD_ASSERT(sizeof config <= VPORT_CONFIG_SIZE);
+ memcpy(configp, &config, sizeof config);
+ return 0;
+}
+
+static int
+parse_patch_config(const struct netdev_dev *dev, const struct shash *args,
+ void *configp)
+{
+ const char *name = netdev_dev_get_name(dev);
+ const char *peer;
+
+ peer = shash_find_data(args, "peer");
+ if (!peer) {
+ VLOG_WARN("%s: patch type requires valid 'peer' argument", name);
+ return EINVAL;
+ }
+
+ if (shash_count(args) > 1) {
+ VLOG_WARN("%s: patch type takes only a 'peer' argument", name);
+ return EINVAL;
+ }
+
+ if (strlen(peer) >= MIN(IFNAMSIZ, VPORT_CONFIG_SIZE)) {
+ VLOG_WARN("%s: patch 'peer' arg too long", name);
+ return EINVAL;
+ }
+
+ if (!strcmp(name, peer)) {
+ VLOG_WARN("%s: patch peer must not be self", name);
+ return EINVAL;
+ }
+
+ strncpy(configp, peer, VPORT_CONFIG_SIZE);
+
+ return 0;
+}
+\f
+#define VPORT_FUNCTIONS(GET_STATUS) \
+ netdev_vport_init, \
+ netdev_vport_run, \
+ netdev_vport_wait, \
+ \
+ netdev_vport_create, \
+ netdev_vport_destroy, \
+ netdev_vport_reconfigure, \
+ \
+ netdev_vport_open, \
+ netdev_vport_close, \
+ \
+ NULL, /* enumerate */ \
+ \
+ NULL, /* recv */ \
+ NULL, /* recv_wait */ \
+ NULL, /* drain */ \
+ \
+ NULL, /* send */ \
+ NULL, /* send_wait */ \
+ \
+ netdev_vport_set_etheraddr, \
+ netdev_vport_get_etheraddr, \
+ netdev_vport_get_mtu, \
+ NULL, /* get_ifindex */ \
+ NULL, /* get_carrier */ \
+ NULL, /* get_miimon */ \
+ netdev_vport_get_stats, \
+ netdev_vport_set_stats, \
+ \
+ NULL, /* get_features */ \
+ NULL, /* set_advertisements */ \
+ NULL, /* get_vlan_vid */ \
+ \
+ NULL, /* set_policing */ \
+ NULL, /* get_qos_types */ \
+ NULL, /* get_qos_capabilities */ \
+ NULL, /* get_qos */ \
+ NULL, /* set_qos */ \
+ NULL, /* get_queue */ \
+ NULL, /* set_queue */ \
+ NULL, /* delete_queue */ \
+ NULL, /* get_queue_stats */ \
+ NULL, /* dump_queues */ \
+ NULL, /* dump_queue_stats */ \
+ \
+ NULL, /* get_in4 */ \
+ NULL, /* set_in4 */ \
+ NULL, /* get_in6 */ \
+ NULL, /* add_router */ \
+ NULL, /* get_next_hop */ \
+ GET_STATUS, \
+ NULL, /* arp_lookup */ \
+ \
+ netdev_vport_update_flags, \
+ \
+ netdev_vport_poll_add, \
+ netdev_vport_poll_remove,
+
+void
+netdev_vport_register(void)
+{
+ static const struct vport_class vport_classes[] = {
+ { { "gre", VPORT_FUNCTIONS(netdev_vport_get_status) },
+ parse_tunnel_config },
+ { { "ipsec_gre", VPORT_FUNCTIONS(netdev_vport_get_status) },
+ parse_tunnel_config },
+ { { "capwap", VPORT_FUNCTIONS(netdev_vport_get_status) },
+ parse_tunnel_config },
+ { { "patch", VPORT_FUNCTIONS(NULL) }, parse_patch_config }
+ };
+
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(vport_classes); i++) {
+ netdev_register_provider(&vport_classes[i].netdev_class);
+ }
+}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff