#include <config.h>
#include "bridge.h"
+#include "byte-order.h"
#include <assert.h>
#include <errno.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <unistd.h>
#include "bitmap.h"
+#include "cfm.h"
+#include "classifier.h"
#include "coverage.h"
#include "dirs.h"
#include "dpif.h"
#include "dynamic-string.h"
#include "flow.h"
#include "hash.h"
+#include "hmap.h"
#include "jsonrpc.h"
#include "list.h"
#include "mac-learning.h"
#include "ovsdb-data.h"
#include "packets.h"
#include "poll-loop.h"
-#include "port-array.h"
#include "proc-net-compat.h"
#include "process.h"
#include "sha1.h"
#include "socket-util.h"
#include "stream-ssl.h"
#include "svec.h"
+#include "system-stats.h"
#include "timeval.h"
#include "util.h"
#include "unixctl.h"
#include "vswitchd/vswitch-idl.h"
#include "xenserver.h"
#include "vlog.h"
-#include "xtoxll.h"
#include "sflow_api.h"
-VLOG_DEFINE_THIS_MODULE(bridge)
+VLOG_DEFINE_THIS_MODULE(bridge);
+
+COVERAGE_DEFINE(bridge_flush);
+COVERAGE_DEFINE(bridge_process_flow);
+COVERAGE_DEFINE(bridge_reconfigure);
struct dst {
uint16_t vlan;
/* These members are valid only after bridge_reconfigure() causes them to
* be initialized. */
+ struct hmap_node dp_ifidx_node; /* In struct bridge's "ifaces" hmap. */
int dp_ifidx; /* Index within kernel datapath. */
struct netdev *netdev; /* Network device. */
bool enabled; /* May be chosen for flows? */
+ const char *type; /* Usually same as cfg->type. */
+ struct cfm *cfm; /* Connectivity Fault Management */
const struct ovsrec_interface *cfg;
};
int updelay, downdelay; /* Delay before iface goes up/down, in ms. */
bool bond_compat_is_stale; /* Need to call port_update_bond_compat()? */
bool bond_fake_iface; /* Fake a bond interface for legacy compat? */
- long bond_next_fake_iface_update; /* Next update to fake bond stats. */
+ long long int bond_next_fake_iface_update; /* Time of next update. */
int bond_rebalance_interval; /* Interval between rebalances, in ms. */
long long int bond_next_rebalance; /* Next rebalancing time. */
+ struct netdev_monitor *monitor; /* Tracks carrier up/down status. */
/* Port mirroring info. */
mirror_mask_t src_mirrors; /* Mirrors triggered when packet received. */
/* Kernel datapath information. */
struct dpif *dpif; /* Datapath. */
- struct port_array ifaces; /* Indexed by kernel datapath port number. */
+ struct hmap ifaces; /* Contains "struct iface"s. */
/* Bridge ports. */
struct port **ports;
/* OVSDB IDL used to obtain configuration. */
static struct ovsdb_idl *idl;
-/* Each time this timer expires, the bridge fetches statistics for every
- * interface and pushes them into the database. */
-#define IFACE_STATS_INTERVAL (5 * 1000) /* In milliseconds. */
-static long long int iface_stats_timer = LLONG_MIN;
+/* Each time this timer expires, the bridge fetches systems and interface
+ * statistics and pushes them into the database. */
+#define STATS_INTERVAL (5 * 1000) /* In milliseconds. */
+static long long int stats_timer = LLONG_MIN;
static struct bridge *bridge_create(const struct ovsrec_bridge *br_cfg);
static void bridge_destroy(struct bridge *);
static void mirror_reconfigure_one(struct mirror *, struct ovsrec_mirror *);
static bool vlan_is_mirrored(const struct mirror *, int vlan);
-static struct iface *iface_create(struct port *port,
+static struct iface *iface_create(struct port *port,
const struct ovsrec_interface *if_cfg);
static void iface_destroy(struct iface *);
static struct iface *iface_lookup(const struct bridge *, const char *name);
static struct iface *iface_from_dp_ifidx(const struct bridge *,
uint16_t dp_ifidx);
-static bool iface_is_internal(const struct bridge *, const char *name);
static void iface_set_mac(struct iface *);
+static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport);
static void iface_update_qos(struct iface *, const struct ovsrec_qos *);
+static void iface_update_cfm(struct iface *);
+static void iface_refresh_cfm_stats(struct iface *iface);
+static void iface_send_packet(struct iface *, struct ofpbuf *packet);
+
+static void shash_from_ovs_idl_map(char **keys, char **values, size_t n,
+ struct shash *);
/* Hooks into ofproto processing. */
static struct ofhooks bridge_ofhooks;
bridge_init(const char *remote)
{
/* Create connection to database. */
- idl = ovsdb_idl_create(remote, &ovsrec_idl_class);
+ idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true);
+
+ ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
+ ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
+ ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
+
+ ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids);
+
+ ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids);
+ ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge);
+
+ ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
+ ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
+ ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
/* Register unixctl commands. */
unixctl_command_register("fdb/show", bridge_unixctl_fdb_show, NULL);
}
already_configured_once = true;
- iface_stats_timer = time_msec() + IFACE_STATS_INTERVAL;
+ stats_timer = time_msec() + STATS_INTERVAL;
/* Get all the configured bridges' names from 'cfg' into 'bridge_names'. */
svec_init(&bridge_names);
svec_destroy(&dpif_types);
}
-#ifdef HAVE_OPENSSL
+/* Initializes 'options' and fills it with the options for 'if_cfg'. Merges
+ * keys from "options" and "other_config", preferring "options" keys over
+ * "other_config" keys.
+ *
+ * The value strings in '*options' are taken directly from if_cfg, not copied,
+ * so the caller should not modify or free them. */
static void
-bridge_configure_ssl(const struct ovsrec_ssl *ssl)
+iface_get_options(const struct ovsrec_interface *if_cfg, struct shash *options)
{
- /* XXX SSL should be configurable on a per-bridge basis. */
- if (ssl) {
- stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
- stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
+ size_t i;
+
+ shash_from_ovs_idl_map(if_cfg->key_options, if_cfg->value_options,
+ if_cfg->n_options, options);
+
+ for (i = 0; i < if_cfg->n_other_config; i++) {
+ char *key = if_cfg->key_other_config[i];
+ char *value = if_cfg->value_other_config[i];
+
+ if (!shash_find_data(options, key)) {
+ shash_add(options, key, value);
+ } else {
+ VLOG_WARN("%s: ignoring \"other_config\" key %s that conflicts "
+ "with \"options\" key %s", if_cfg->name, key, key);
+ }
}
}
-#endif
-/* Attempt to create the network device 'iface_name' through the netdev
+/* Returns the type of network device that 'iface' should have. (This is
+ * ordinarily the same type as the interface, but the network devices for
+ * "internal" ports have type "system".) */
+static const char *
+iface_get_netdev_type(const struct iface *iface)
+{
+ return !strcmp(iface->type, "internal") ? "system" : iface->type;
+}
+
+/* Attempt to create the network device for 'iface' through the netdev
* library. */
static int
-set_up_iface(const struct ovsrec_interface *iface_cfg, struct iface *iface,
- bool create)
+create_iface_netdev(struct iface *iface)
{
+ struct netdev_options netdev_options;
struct shash options;
- int error = 0;
- size_t i;
-
- shash_init(&options);
- for (i = 0; i < iface_cfg->n_options; i++) {
- shash_add(&options, iface_cfg->key_options[i],
- xstrdup(iface_cfg->value_options[i]));
- }
-
- if (create) {
- struct netdev_options netdev_options;
-
- memset(&netdev_options, 0, sizeof netdev_options);
- netdev_options.name = iface_cfg->name;
- if (!strcmp(iface_cfg->type, "internal")) {
- /* An "internal" config type maps to a netdev "system" type. */
- netdev_options.type = "system";
- } else {
- netdev_options.type = iface_cfg->type;
- }
- netdev_options.args = &options;
- netdev_options.ethertype = NETDEV_ETH_TYPE_NONE;
+ int error;
- error = netdev_open(&netdev_options, &iface->netdev);
+ memset(&netdev_options, 0, sizeof netdev_options);
+ netdev_options.name = iface->cfg->name;
+ netdev_options.type = iface_get_netdev_type(iface);
+ netdev_options.args = &options;
+ netdev_options.ethertype = NETDEV_ETH_TYPE_NONE;
- if (iface->netdev) {
- netdev_get_carrier(iface->netdev, &iface->enabled);
- }
- } else if (iface->netdev) {
- const char *netdev_type = netdev_get_type(iface->netdev);
- const char *iface_type = iface_cfg->type && strlen(iface_cfg->type)
- ? iface_cfg->type : NULL;
+ iface_get_options(iface->cfg, &options);
- /* An "internal" config type maps to a netdev "system" type. */
- if (iface_type && !strcmp(iface_type, "internal")) {
- iface_type = "system";
- }
+ error = netdev_open(&netdev_options, &iface->netdev);
- if (!iface_type || !strcmp(netdev_type, iface_type)) {
- error = netdev_reconfigure(iface->netdev, &options);
- } else {
- VLOG_WARN("%s: attempting change device type from %s to %s",
- iface_cfg->name, netdev_type, iface_type);
- error = EINVAL;
- }
+ if (iface->netdev) {
+ iface->enabled = netdev_get_carrier(iface->netdev);
}
- shash_destroy_free_data(&options);
+
+ shash_destroy(&options);
return error;
}
static int
-reconfigure_iface(const struct ovsrec_interface *iface_cfg, struct iface *iface)
+reconfigure_iface_netdev(struct iface *iface)
{
- return set_up_iface(iface_cfg, iface, false);
-}
+ const char *netdev_type, *iface_type;
+ struct shash options;
+ int error;
-static bool
-check_iface_netdev(struct bridge *br OVS_UNUSED, struct iface *iface,
- void *aux OVS_UNUSED)
-{
- if (!iface->netdev) {
- int error = set_up_iface(iface->cfg, iface, true);
- if (error) {
- VLOG_WARN("could not open netdev on %s, dropping: %s", iface->name,
- strerror(error));
- return false;
- }
+ /* Skip reconfiguration if the device has the wrong type. This shouldn't
+ * happen, but... */
+ iface_type = iface_get_netdev_type(iface);
+ netdev_type = netdev_get_type(iface->netdev);
+ if (iface_type && strcmp(netdev_type, iface_type)) {
+ VLOG_WARN("%s: attempting change device type from %s to %s",
+ iface->cfg->name, netdev_type, iface_type);
+ return EINVAL;
}
- return true;
+ /* Reconfigure device. */
+ iface_get_options(iface->cfg, &options);
+ error = netdev_reconfigure(iface->netdev, &options);
+ shash_destroy(&options);
+
+ return error;
}
+/* Callback for iterate_and_prune_ifaces(). */
static bool
-check_iface_dp_ifidx(struct bridge *br, struct iface *iface,
- void *aux OVS_UNUSED)
+check_iface(struct bridge *br, struct iface *iface, void *aux OVS_UNUSED)
{
- if (iface->dp_ifidx >= 0) {
- VLOG_DBG("%s has interface %s on port %d",
- dpif_name(br->dpif),
- iface->name, iface->dp_ifidx);
- return true;
- } else {
+ if (!iface->netdev) {
+ /* We already reported a related error, don't bother duplicating it. */
+ return false;
+ }
+
+ if (iface->dp_ifidx < 0) {
VLOG_ERR("%s interface not in %s, dropping",
iface->name, dpif_name(br->dpif));
return false;
}
+
+ VLOG_DBG("%s has interface %s on port %d", dpif_name(br->dpif),
+ iface->name, iface->dp_ifidx);
+ return true;
}
+/* Callback for iterate_and_prune_ifaces(). */
static bool
set_iface_properties(struct bridge *br OVS_UNUSED, struct iface *iface,
void *aux OVS_UNUSED)
/* Set MAC address of internal interfaces other than the local
* interface. */
- if (iface->dp_ifidx != ODPP_LOCAL
- && iface_is_internal(br, iface->name)) {
+ if (iface->dp_ifidx != ODPP_LOCAL && !strcmp(iface->type, "internal")) {
iface_set_mac(iface);
}
if (cb(br, iface, aux)) {
j++;
} else {
+ iface_set_ofport(iface->cfg, -1);
iface_destroy(iface);
}
}
* should not be and in fact is not directly involved in that. But
* ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
* it has to tell in-band control where the managers are to enable that.
+ * (Thus, only managers connected in-band are collected.)
*/
static void
-collect_managers(const struct ovsrec_open_vswitch *ovs_cfg,
- struct sockaddr_in **managersp, size_t *n_managersp)
+collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg,
+ struct sockaddr_in **managersp, size_t *n_managersp)
{
struct sockaddr_in *managers = NULL;
size_t n_managers = 0;
+ struct shash targets;
+ size_t i;
- if (ovs_cfg->n_managers > 0) {
- size_t i;
+ /* Collect all of the potential targets, as the union of the "managers"
+ * column and the "targets" columns of the rows pointed to by
+ * "manager_options", excluding any that are out-of-band. */
+ shash_init(&targets);
+ for (i = 0; i < ovs_cfg->n_managers; i++) {
+ shash_add_once(&targets, ovs_cfg->managers[i], NULL);
+ }
+ for (i = 0; i < ovs_cfg->n_manager_options; i++) {
+ struct ovsrec_manager *m = ovs_cfg->manager_options[i];
- managers = xmalloc(ovs_cfg->n_managers * sizeof *managers);
- for (i = 0; i < ovs_cfg->n_managers; i++) {
- const char *name = ovs_cfg->managers[i];
- struct sockaddr_in *sin = &managers[i];
+ if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) {
+ shash_find_and_delete(&targets, m->target);
+ } else {
+ shash_add_once(&targets, m->target, NULL);
+ }
+ }
- if ((!strncmp(name, "tcp:", 4)
- && inet_parse_active(name + 4, JSONRPC_TCP_PORT, sin)) ||
- (!strncmp(name, "ssl:", 4)
- && inet_parse_active(name + 4, JSONRPC_SSL_PORT, sin))) {
+ /* Now extract the targets' IP addresses. */
+ if (!shash_is_empty(&targets)) {
+ struct shash_node *node;
+
+ managers = xmalloc(shash_count(&targets) * sizeof *managers);
+ SHASH_FOR_EACH (node, &targets) {
+ const char *target = node->name;
+ struct sockaddr_in *sin = &managers[n_managers];
+
+ if ((!strncmp(target, "tcp:", 4)
+ && inet_parse_active(target + 4, JSONRPC_TCP_PORT, sin)) ||
+ (!strncmp(target, "ssl:", 4)
+ && inet_parse_active(target + 4, JSONRPC_SSL_PORT, sin))) {
n_managers++;
}
}
}
+ shash_destroy(&targets);
*managersp = managers;
*n_managersp = n_managers;
COVERAGE_INC(bridge_reconfigure);
- collect_managers(ovs_cfg, &managers, &n_managers);
+ collect_in_band_managers(ovs_cfg, &managers, &n_managers);
/* Collect old and new bridges. */
shash_init(&old_br);
shash_init(&new_br);
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
shash_add(&old_br, br->name, br);
}
for (i = 0; i < ovs_cfg->n_bridges; i++) {
}
/* Get rid of deleted bridges and add new bridges. */
- LIST_FOR_EACH_SAFE (br, next, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH_SAFE (br, next, node, &all_bridges) {
struct ovsrec_bridge *br_cfg = shash_find_data(&new_br, br->name);
if (br_cfg) {
br->cfg = br_cfg;
shash_destroy(&old_br);
shash_destroy(&new_br);
-#ifdef HAVE_OPENSSL
- /* Configure SSL. */
- bridge_configure_ssl(ovs_cfg->ssl);
-#endif
-
/* Reconfigure all bridges. */
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
bridge_reconfigure_one(br);
}
* The kernel will reject any attempt to add a given port to a datapath if
* that port already belongs to a different datapath, so we must do all
* port deletions before any port additions. */
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
struct odp_port *dpif_ports;
size_t n_dpif_ports;
struct shash want_ifaces;
shash_destroy(&want_ifaces);
free(dpif_ports);
}
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
struct odp_port *dpif_ports;
size_t n_dpif_ports;
struct shash cur_ifaces, want_ifaces;
- struct shash_node *node;
/* Get the set of interfaces currently in this datapath. */
dpif_port_list(br->dpif, &dpif_ports, &n_dpif_ports);
shash_init(&cur_ifaces);
for (i = 0; i < n_dpif_ports; i++) {
const char *name = dpif_ports[i].devname;
- shash_add_once(&cur_ifaces, name, NULL);
+ shash_add_once(&cur_ifaces, name, &dpif_ports[i]);
}
- free(dpif_ports);
/* Get the set of interfaces we want on this datapath. */
bridge_get_all_ifaces(br, &want_ifaces);
+ hmap_clear(&br->ifaces);
SHASH_FOR_EACH (node, &want_ifaces) {
const char *if_name = node->name;
struct iface *iface = node->data;
-
- if (shash_find(&cur_ifaces, if_name)) {
- /* Already exists, just reconfigure it. */
+ bool internal = !iface || !strcmp(iface->type, "internal");
+ struct odp_port *dpif_port = shash_find_data(&cur_ifaces, if_name);
+ int error;
+
+ /* If we have a port or a netdev already, and it's not the type we
+ * want, then delete the port (if any) and close the netdev (if
+ * any). */
+ if (internal
+ ? dpif_port && !(dpif_port->flags & ODP_PORT_INTERNAL)
+ : (iface->netdev
+ && strcmp(iface->type, netdev_get_type(iface->netdev))))
+ {
+ if (dpif_port) {
+ error = ofproto_port_del(br->ofproto, dpif_port->port);
+ if (error) {
+ continue;
+ }
+ dpif_port = NULL;
+ }
if (iface) {
- reconfigure_iface(iface->cfg, iface);
+ netdev_close(iface->netdev);
+ iface->netdev = NULL;
}
- } else {
- /* Need to add to datapath. */
- bool internal;
- int error;
+ }
- /* Add to datapath. */
- internal = iface_is_internal(br, if_name);
+ /* If it's not an internal port, open (possibly create) the
+ * netdev. */
+ if (!internal) {
+ if (!iface->netdev) {
+ error = create_iface_netdev(iface);
+ if (error) {
+ VLOG_WARN("could not create iface %s: %s", iface->name,
+ strerror(error));
+ continue;
+ }
+ } else {
+ reconfigure_iface_netdev(iface);
+ }
+ }
+
+ /* If it's not part of the datapath, add it. */
+ if (!dpif_port) {
error = dpif_port_add(br->dpif, if_name,
internal ? ODP_PORT_INTERNAL : 0, NULL);
if (error == EFBIG) {
} else if (error) {
VLOG_ERR("failed to add %s interface to %s: %s",
if_name, dpif_name(br->dpif), strerror(error));
+ continue;
+ }
+ }
+
+ /* If it's an internal port, open the netdev. */
+ if (internal) {
+ if (iface && !iface->netdev) {
+ error = create_iface_netdev(iface);
+ if (error) {
+ VLOG_WARN("could not create iface %s: %s", iface->name,
+ strerror(error));
+ continue;
+ }
}
+ } else {
+ assert(iface->netdev != NULL);
}
}
+ free(dpif_ports);
shash_destroy(&cur_ifaces);
shash_destroy(&want_ifaces);
}
sflow_bridge_number = 0;
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
uint8_t ea[8];
uint64_t dpid;
struct iface *local_iface;
bridge_fetch_dp_ifaces(br);
- iterate_and_prune_ifaces(br, check_iface_netdev, NULL);
- iterate_and_prune_ifaces(br, check_iface_dp_ifidx, NULL);
+ iterate_and_prune_ifaces(br, check_iface, NULL);
/* Pick local port hardware address, datapath ID. */
bridge_pick_local_hw_addr(br, ea, &hw_addr_iface);
opts.collectors.n = nf_cfg->n_targets;
opts.collectors.names = nf_cfg->targets;
if (ofproto_set_netflow(br->ofproto, &opts)) {
- VLOG_ERR("bridge %s: problem setting netflow collectors",
+ VLOG_ERR("bridge %s: problem setting netflow collectors",
br->name);
}
} else {
struct ovsrec_controller **controllers;
struct ofproto_sflow_options oso;
size_t n_controllers;
- size_t i;
memset(&oso, 0, sizeof oso);
* the datapath ID before the controller. */
bridge_reconfigure_remotes(br, managers, n_managers);
}
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
for (i = 0; i < br->n_ports; i++) {
struct port *port = br->ports[i];
int j;
}
}
}
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
iterate_and_prune_ifaces(br, set_iface_properties, NULL);
}
+ LIST_FOR_EACH (br, node, &all_bridges) {
+ struct iface *iface;
+ HMAP_FOR_EACH (iface, dp_ifidx_node, &br->ifaces) {
+ iface_update_cfm(iface);
+ }
+ }
+
free(managers);
}
return eth_addr_to_uint64(hash);
}
+static void
+iface_refresh_cfm_stats(struct iface *iface)
+{
+ size_t i;
+ struct cfm *cfm;
+ const struct ovsrec_monitor *mon;
+
+ mon = iface->cfg->monitor;
+ cfm = iface->cfm;
+
+ if (!cfm || !mon) {
+ return;
+ }
+
+ for (i = 0; i < mon->n_remote_mps; i++) {
+ const struct ovsrec_maintenance_point *mp;
+ const struct remote_mp *rmp;
+
+ mp = mon->remote_mps[i];
+ rmp = cfm_get_remote_mp(cfm, mp->mpid);
+
+ ovsrec_maintenance_point_set_fault(mp, &rmp->fault, 1);
+ }
+
+ if (hmap_is_empty(&cfm->x_remote_mps)) {
+ ovsrec_monitor_set_unexpected_remote_mpids(mon, NULL, 0);
+ } else {
+ size_t length;
+ struct remote_mp *rmp;
+ int64_t *x_remote_mps;
+
+ length = hmap_count(&cfm->x_remote_mps);
+ x_remote_mps = xzalloc(length * sizeof *x_remote_mps);
+
+ i = 0;
+ HMAP_FOR_EACH (rmp, node, &cfm->x_remote_mps) {
+ x_remote_mps[i++] = rmp->mpid;
+ }
+
+ ovsrec_monitor_set_unexpected_remote_mpids(mon, x_remote_mps, length);
+ free(x_remote_mps);
+ }
+
+ if (hmap_is_empty(&cfm->x_remote_maids)) {
+ ovsrec_monitor_set_unexpected_remote_maids(mon, NULL, 0);
+ } else {
+ size_t length;
+ char **x_remote_maids;
+ struct remote_maid *rmaid;
+
+ length = hmap_count(&cfm->x_remote_maids);
+ x_remote_maids = xzalloc(length * sizeof *x_remote_maids);
+
+ i = 0;
+ HMAP_FOR_EACH (rmaid, node, &cfm->x_remote_maids) {
+ size_t j;
+
+ x_remote_maids[i] = xzalloc(CCM_MAID_LEN * 2 + 1);
+
+ for (j = 0; j < CCM_MAID_LEN; j++) {
+ snprintf(&x_remote_maids[i][j * 2], 3, "%02hhx",
+ rmaid->maid[j]);
+ }
+ i++;
+ }
+ ovsrec_monitor_set_unexpected_remote_maids(mon, x_remote_maids, length);
+
+ for (i = 0; i < length; i++) {
+ free(x_remote_maids[i]);
+ }
+ free(x_remote_maids);
+ }
+
+ ovsrec_monitor_set_fault(mon, &cfm->fault, 1);
+}
+
static void
iface_refresh_stats(struct iface *iface)
{
ovsrec_interface_set_statistics(iface->cfg, keys, values, n);
}
+static void
+refresh_system_stats(const struct ovsrec_open_vswitch *cfg)
+{
+ struct ovsdb_datum datum;
+ struct shash stats;
+
+ shash_init(&stats);
+ get_system_stats(&stats);
+
+ ovsdb_datum_from_shash(&datum, &stats);
+ ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
+ &datum);
+}
+
void
bridge_run(void)
{
+ const struct ovsrec_open_vswitch *cfg;
+
bool datapath_destroyed;
+ bool database_changed;
struct bridge *br;
/* Let each bridge do the work that it needs to do. */
datapath_destroyed = false;
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
int error = bridge_run_one(br);
if (error) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
}
/* (Re)configure if necessary. */
- if (ovsdb_idl_run(idl) || datapath_destroyed) {
- const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
+ database_changed = ovsdb_idl_run(idl);
+ cfg = ovsrec_open_vswitch_first(idl);
+ if (database_changed || datapath_destroyed) {
if (cfg) {
struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl);
}
}
- /* Refresh interface stats if necessary. */
- if (time_msec() >= iface_stats_timer) {
- struct ovsdb_idl_txn *txn;
+#ifdef HAVE_OPENSSL
+ /* Re-configure SSL. We do this on every trip through the main loop,
+ * instead of just when the database changes, because the contents of the
+ * key and certificate files can change without the database changing. */
+ if (cfg && cfg->ssl) {
+ const struct ovsrec_ssl *ssl = cfg->ssl;
- txn = ovsdb_idl_txn_create(idl);
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
- size_t i;
+ stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
+ stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
+ }
+#endif
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
- size_t j;
+ /* Refresh system and interface stats if necessary. */
+ if (time_msec() >= stats_timer) {
+ if (cfg) {
+ struct ovsdb_idl_txn *txn;
- for (j = 0; j < port->n_ifaces; j++) {
- struct iface *iface = port->ifaces[j];
- iface_refresh_stats(iface);
+ txn = ovsdb_idl_txn_create(idl);
+ LIST_FOR_EACH (br, node, &all_bridges) {
+ size_t i;
+
+ for (i = 0; i < br->n_ports; i++) {
+ struct port *port = br->ports[i];
+ size_t j;
+
+ for (j = 0; j < port->n_ifaces; j++) {
+ struct iface *iface = port->ifaces[j];
+ iface_refresh_stats(iface);
+ iface_refresh_cfm_stats(iface);
+ }
}
}
+ refresh_system_stats(cfg);
+ ovsdb_idl_txn_commit(txn);
+ ovsdb_idl_txn_destroy(txn); /* XXX */
}
- ovsdb_idl_txn_commit(txn);
- ovsdb_idl_txn_destroy(txn); /* XXX */
- iface_stats_timer = time_msec() + IFACE_STATS_INTERVAL;
+ stats_timer = time_msec() + STATS_INTERVAL;
}
}
bridge_wait(void)
{
struct bridge *br;
+ struct iface *iface;
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
ofproto_wait(br->ofproto);
- if (ofproto_has_controller(br->ofproto)) {
+ if (ofproto_has_primary_controller(br->ofproto)) {
continue;
}
mac_learning_wait(br->ml);
bond_wait(br);
+
+ HMAP_FOR_EACH (iface, dp_ifidx_node, &br->ifaces) {
+ if (iface->cfm) {
+ cfm_wait(iface->cfm);
+ }
+ }
}
ovsdb_idl_wait(idl);
- poll_timer_wait_until(iface_stats_timer);
+ poll_timer_wait_until(stats_timer);
}
/* Forces 'br' to revalidate all of its flows. This is appropriate when 'br''s
}
ds_put_cstr(&ds, " port VLAN MAC Age\n");
- LIST_FOR_EACH (e, struct mac_entry, lru_node, &br->ml->lrus) {
+ LIST_FOR_EACH (e, lru_node, &br->ml->lrus) {
if (e->port < 0 || e->port >= br->n_ports) {
continue;
}
br->ml = mac_learning_create();
eth_addr_nicira_random(br->default_ea);
- port_array_init(&br->ifaces);
+ hmap_init(&br->ifaces);
shash_init(&br->port_by_name);
shash_init(&br->iface_by_name);
dpif_close(br->dpif);
ofproto_destroy(br->ofproto);
mac_learning_destroy(br->ml);
- port_array_destroy(&br->ifaces);
+ hmap_destroy(&br->ifaces);
shash_destroy(&br->port_by_name);
shash_destroy(&br->iface_by_name);
free(br->ports);
{
struct bridge *br;
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
if (!strcmp(br->name, name)) {
return br;
}
{
struct bridge *br;
struct ds results;
-
+
br = bridge_lookup(args);
if (!br) {
unixctl_command_reply(conn, 501, "Unknown bridge");
}
ofproto_reconnect_controllers(br->ofproto);
} else {
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
ofproto_reconnect_controllers(br->ofproto);
}
}
bridge_run_one(struct bridge *br)
{
int error;
+ struct iface *iface;
error = ofproto_run1(br->ofproto);
if (error) {
error = ofproto_run2(br->ofproto, br->flush);
br->flush = false;
+ HMAP_FOR_EACH (iface, dp_ifidx_node, &br->ifaces) {
+ struct ofpbuf *packet;
+
+ if (!iface->cfm) {
+ continue;
+ }
+
+ packet = cfm_run(iface->cfm);
+ if (packet) {
+ iface_send_packet(iface, packet);
+ ofpbuf_uninit(packet);
+ free(packet);
+ }
+ }
+
return error;
}
bridge_reconfigure_one(struct bridge *br)
{
struct shash old_ports, new_ports;
- struct svec listeners, old_listeners;
struct svec snoops, old_snoops;
struct shash_node *node;
enum ofproto_fail_mode fail_mode;
|| !strcmp(br->cfg->fail_mode, "standalone")
? OFPROTO_FAIL_STANDALONE
: OFPROTO_FAIL_SECURE;
- if ((ofproto_get_fail_mode(br->ofproto) != fail_mode)
- && !ofproto_has_controller(br->ofproto)) {
+ if (ofproto_get_fail_mode(br->ofproto) != fail_mode
+ && !ofproto_has_primary_controller(br->ofproto)) {
ofproto_flush_flows(br->ofproto);
}
ofproto_set_fail_mode(br->ofproto, fail_mode);
* versa. (XXX Should we delete all flows if we are switching from one
* controller to another?) */
- /* Configure OpenFlow management listener. */
- svec_init(&listeners);
- svec_add_nocopy(&listeners, xasprintf("punix:%s/%s.mgmt",
- ovs_rundir, br->name));
- svec_init(&old_listeners);
- ofproto_get_listeners(br->ofproto, &old_listeners);
- if (!svec_equal(&listeners, &old_listeners)) {
- ofproto_set_listeners(br->ofproto, &listeners);
- }
- svec_destroy(&listeners);
- svec_destroy(&old_listeners);
-
/* Configure OpenFlow controller connection snooping. */
svec_init(&snoops);
svec_add_nocopy(&snoops, xasprintf("punix:%s/%s.snoop",
- ovs_rundir, br->name));
+ ovs_rundir(), br->name));
svec_init(&old_snoops);
ofproto_get_snoops(br->ofproto, &old_snoops);
if (!svec_equal(&snoops, &old_snoops)) {
mirror_reconfigure(br);
}
+/* Initializes 'oc' appropriately as a management service controller for
+ * 'br'.
+ *
+ * The caller must free oc->target when it is no longer needed. */
+static void
+bridge_ofproto_controller_for_mgmt(const struct bridge *br,
+ struct ofproto_controller *oc)
+{
+ oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name);
+ oc->max_backoff = 0;
+ oc->probe_interval = 60;
+ oc->band = OFPROTO_OUT_OF_BAND;
+ oc->accept_re = NULL;
+ oc->update_resolv_conf = false;
+ oc->rate_limit = 0;
+ oc->burst_limit = 0;
+}
+
+/* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
+static void
+bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
+ struct ofproto_controller *oc)
+{
+ oc->target = c->target;
+ oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
+ oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
+ oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
+ ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
+ oc->accept_re = c->discover_accept_regex;
+ oc->update_resolv_conf = c->discover_update_resolv_conf;
+ oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
+ oc->burst_limit = (c->controller_burst_limit
+ ? *c->controller_burst_limit : 0);
+}
+
+/* Configures the IP stack for 'br''s local interface properly according to the
+ * configuration in 'c'. */
+static void
+bridge_configure_local_iface_netdev(struct bridge *br,
+ struct ovsrec_controller *c)
+{
+ struct netdev *netdev;
+ struct in_addr mask, gateway;
+
+ struct iface *local_iface;
+ struct in_addr ip;
+
+ /* Controller discovery does its own TCP/IP configuration later. */
+ if (strcmp(c->target, "discover")) {
+ return;
+ }
+
+ /* If there's no local interface or no IP address, give up. */
+ local_iface = bridge_get_local_iface(br);
+ if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) {
+ return;
+ }
+
+ /* Bring up the local interface. */
+ netdev = local_iface->netdev;
+ netdev_turn_flags_on(netdev, NETDEV_UP, true);
+
+ /* Configure the IP address and netmask. */
+ if (!c->local_netmask
+ || !inet_aton(c->local_netmask, &mask)
+ || !mask.s_addr) {
+ mask.s_addr = guess_netmask(ip.s_addr);
+ }
+ if (!netdev_set_in4(netdev, ip, mask)) {
+ VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
+ br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr));
+ }
+
+ /* Configure the default gateway. */
+ if (c->local_gateway
+ && inet_aton(c->local_gateway, &gateway)
+ && gateway.s_addr) {
+ if (!netdev_add_router(netdev, gateway)) {
+ VLOG_INFO("bridge %s: configured gateway "IP_FMT,
+ br->name, IP_ARGS(&gateway.s_addr));
+ }
+ }
+}
+
static void
bridge_reconfigure_remotes(struct bridge *br,
const struct sockaddr_in *managers,
size_t n_managers)
{
+ const char *disable_ib_str, *queue_id_str;
+ bool disable_in_band = false;
+ int queue_id;
+
struct ovsrec_controller **controllers;
size_t n_controllers;
+ bool had_primary;
- ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
+ struct ofproto_controller *ocs;
+ size_t n_ocs;
+ size_t i;
- n_controllers = bridge_get_controllers(br, &controllers);
- if (ofproto_has_controller(br->ofproto) != (n_controllers != 0)) {
- ofproto_flush_flows(br->ofproto);
+ /* Check if we should disable in-band control on this bridge. */
+ disable_ib_str = bridge_get_other_config(br->cfg, "disable-in-band");
+ if (disable_ib_str && !strcmp(disable_ib_str, "true")) {
+ disable_in_band = true;
}
- if (!n_controllers) {
- union ofp_action action;
- flow_t flow;
-
- /* Clear out controllers. */
- ofproto_set_controllers(br->ofproto, NULL, 0);
-
- /* If there are no controllers and the bridge is in standalone
- * mode, set up a flow that matches every packet and directs
- * them to OFPP_NORMAL (which goes to us). Otherwise, the
- * switch is in secure mode and we won't pass any traffic until
- * a controller has been defined and it tells us to do so. */
- if (ofproto_get_fail_mode(br->ofproto) == OFPROTO_FAIL_STANDALONE) {
- memset(&action, 0, sizeof action);
- action.type = htons(OFPAT_OUTPUT);
- action.output.len = htons(sizeof action);
- action.output.port = htons(OFPP_NORMAL);
- memset(&flow, 0, sizeof flow);
- ofproto_add_flow(br->ofproto, &flow, OVSFW_ALL, 0, &action, 1, 0);
- }
+ /* Set OpenFlow queue ID for in-band control. */
+ queue_id_str = bridge_get_other_config(br->cfg, "in-band-queue");
+ queue_id = queue_id_str ? strtol(queue_id_str, NULL, 10) : -1;
+ ofproto_set_in_band_queue(br->ofproto, queue_id);
+
+ if (disable_in_band) {
+ ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
} else {
- struct ofproto_controller *ocs;
- size_t i;
+ ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
+ }
+ had_primary = ofproto_has_primary_controller(br->ofproto);
- ocs = xmalloc(n_controllers * sizeof *ocs);
- for (i = 0; i < n_controllers; i++) {
- struct ovsrec_controller *c = controllers[i];
- struct ofproto_controller *oc = &ocs[i];
+ n_controllers = bridge_get_controllers(br, &controllers);
- if (strcmp(c->target, "discover")) {
- struct iface *local_iface;
- struct in_addr ip;
+ ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
+ n_ocs = 0;
- local_iface = bridge_get_local_iface(br);
- if (local_iface && c->local_ip
- && inet_aton(c->local_ip, &ip)) {
- struct netdev *netdev = local_iface->netdev;
- struct in_addr mask, gateway;
+ bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
+ for (i = 0; i < n_controllers; i++) {
+ struct ovsrec_controller *c = controllers[i];
- if (!c->local_netmask
- || !inet_aton(c->local_netmask, &mask)) {
- mask.s_addr = 0;
- }
- if (!c->local_gateway
- || !inet_aton(c->local_gateway, &gateway)) {
- gateway.s_addr = 0;
- }
+ if (!strncmp(c->target, "punix:", 6)
+ || !strncmp(c->target, "unix:", 5)) {
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
- netdev_turn_flags_on(netdev, NETDEV_UP, true);
- if (!mask.s_addr) {
- mask.s_addr = guess_netmask(ip.s_addr);
- }
- if (!netdev_set_in4(netdev, ip, mask)) {
- VLOG_INFO("bridge %s: configured IP address "IP_FMT", "
- "netmask "IP_FMT,
- br->name, IP_ARGS(&ip.s_addr),
- IP_ARGS(&mask.s_addr));
- }
+ /* Prevent remote ovsdb-server users from accessing arbitrary Unix
+ * domain sockets and overwriting arbitrary local files. */
+ VLOG_ERR_RL(&rl, "%s: not adding Unix domain socket controller "
+ "\"%s\" due to possibility for remote exploit",
+ dpif_name(br->dpif), c->target);
+ continue;
+ }
- if (gateway.s_addr) {
- if (!netdev_add_router(netdev, gateway)) {
- VLOG_INFO("bridge %s: configured gateway "IP_FMT,
- br->name, IP_ARGS(&gateway.s_addr));
- }
- }
- }
- }
+ bridge_configure_local_iface_netdev(br, c);
+ bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
+ if (disable_in_band) {
+ ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
+ }
+ n_ocs++;
+ }
+
+ ofproto_set_controllers(br->ofproto, ocs, n_ocs);
+ free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
+ free(ocs);
+
+ if (had_primary != ofproto_has_primary_controller(br->ofproto)) {
+ ofproto_flush_flows(br->ofproto);
+ }
+
+ /* If there are no controllers and the bridge is in standalone
+ * mode, set up a flow that matches every packet and directs
+ * them to OFPP_NORMAL (which goes to us). Otherwise, the
+ * switch is in secure mode and we won't pass any traffic until
+ * a controller has been defined and it tells us to do so. */
+ if (!n_controllers
+ && ofproto_get_fail_mode(br->ofproto) == OFPROTO_FAIL_STANDALONE) {
+ union ofp_action action;
+ struct cls_rule rule;
- oc->target = c->target;
- oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
- oc->probe_interval = (c->inactivity_probe
- ? *c->inactivity_probe / 1000 : 5);
- oc->band = (!c->connection_mode
- || !strcmp(c->connection_mode, "in-band")
- ? OFPROTO_IN_BAND
- : OFPROTO_OUT_OF_BAND);
- oc->accept_re = c->discover_accept_regex;
- oc->update_resolv_conf = c->discover_update_resolv_conf;
- oc->rate_limit = (c->controller_rate_limit
- ? *c->controller_rate_limit : 0);
- oc->burst_limit = (c->controller_burst_limit
- ? *c->controller_burst_limit : 0);
- }
- ofproto_set_controllers(br->ofproto, ocs, n_controllers);
- free(ocs);
+ memset(&action, 0, sizeof action);
+ action.type = htons(OFPAT_OUTPUT);
+ action.output.len = htons(sizeof action);
+ action.output.port = htons(OFPP_NORMAL);
+ cls_rule_init_catchall(&rule, 0);
+ ofproto_add_flow(br->ofproto, &rule, &action, 1);
}
}
iface->dp_ifidx = -1;
}
}
- port_array_clear(&br->ifaces);
+ hmap_clear(&br->ifaces);
dpif_port_list(br->dpif, &dpif_ports, &n_dpif_ports);
for (i = 0; i < n_dpif_ports; i++) {
VLOG_WARN("%s reported interface %"PRIu16" twice",
dpif_name(br->dpif), p->port);
} else {
- port_array_set(&br->ifaces, p->port, iface);
iface->dp_ifidx = p->port;
+ hmap_insert(&br->ifaces, &iface->dp_ifidx_node,
+ hash_int(iface->dp_ifidx, 0));
}
- if (iface->cfg) {
- int64_t ofport = (iface->dp_ifidx >= 0
- ? odp_port_to_ofp_port(iface->dp_ifidx)
- : -1);
- ovsrec_interface_set_ofport(iface->cfg, &ofport, 1);
- }
+ iface_set_ofport(iface->cfg,
+ (iface->dp_ifidx >= 0
+ ? odp_port_to_ofp_port(iface->dp_ifidx)
+ : -1));
}
}
free(dpif_ports);
struct port *port = br->ports[i];
if (port->n_ifaces >= 2) {
+ char *devname;
+
+ /* Track carrier going up and down on interfaces. */
+ while (!netdev_monitor_poll(port->monitor, &devname)) {
+ struct iface *iface;
+
+ iface = port_lookup_iface(port, devname);
+ if (iface) {
+ bool carrier = netdev_get_carrier(iface->netdev);
+
+ bond_link_status_update(iface, carrier);
+ port_update_bond_compat(port);
+ }
+ free(devname);
+ }
+
for (j = 0; j < port->n_ifaces; j++) {
struct iface *iface = port->ifaces[j];
if (time_msec() >= iface->delay_expires) {
if (port->n_ifaces < 2) {
continue;
}
+ netdev_monitor_poll_wait(port->monitor);
for (j = 0; j < port->n_ifaces; j++) {
struct iface *iface = port->ifaces[j];
if (iface->delay_expires != LLONG_MAX) {
}
static bool
-set_dst(struct dst *p, const flow_t *flow,
+set_dst(struct dst *p, const struct flow *flow,
const struct port *in_port, const struct port *out_port,
tag_type *tags)
{
p->vlan = (out_port->vlan >= 0 ? OFP_VLAN_NONE
: in_port->vlan >= 0 ? in_port->vlan
- : ntohs(flow->dl_vlan));
+ : flow->vlan_tci == 0 ? OFP_VLAN_NONE
+ : vlan_tci_to_vid(flow->vlan_tci));
return choose_output_iface(out_port, flow->dl_src, &p->dp_ifidx, tags);
}
return vlan == port->vlan || port_trunks_vlan(port, vlan);
}
+static bool
+port_is_floodable(const struct port *port)
+{
+ int i;
+
+ for (i = 0; i < port->n_ifaces; i++) {
+ if (!ofproto_port_is_floodable(port->bridge->ofproto,
+ port->ifaces[i]->dp_ifidx)) {
+ return false;
+ }
+ }
+ return true;
+}
+
static size_t
-compose_dsts(const struct bridge *br, const flow_t *flow, uint16_t vlan,
+compose_dsts(const struct bridge *br, const struct flow *flow, uint16_t vlan,
const struct port *in_port, const struct port *out_port,
struct dst dsts[], tag_type *tags, uint16_t *nf_output_iface)
{
mirror_mask_t mirrors = in_port->src_mirrors;
+ int flow_vlan;
struct dst *dst = dsts;
size_t i;
+ flow_vlan = vlan_tci_to_vid(flow->vlan_tci);
+ if (flow_vlan == 0) {
+ flow_vlan = OFP_VLAN_NONE;
+ }
+
if (out_port == FLOOD_PORT) {
/* XXX use ODP_FLOOD if no vlans or bonding. */
/* XXX even better, define each VLAN as a datapath port group */
for (i = 0; i < br->n_ports; i++) {
struct port *port = br->ports[i];
- if (port != in_port && port_includes_vlan(port, vlan)
+ if (port != in_port
+ && port_is_floodable(port)
+ && port_includes_vlan(port, vlan)
&& !port->is_mirror_output_port
&& set_dst(dst, flow, in_port, port, tags)) {
mirrors |= port->dst_mirrors;
if (port_includes_vlan(port, m->out_vlan)
&& set_dst(dst, flow, in_port, port, tags))
{
- int flow_vlan;
if (port->vlan < 0) {
dst->vlan = m->out_vlan;
* tagging tags place. This is necessary because
* dst->vlan is the final vlan, after removing implicit
* tags. */
- flow_vlan = ntohs(flow->dl_vlan);
- if (flow_vlan == 0) {
- flow_vlan = OFP_VLAN_NONE;
- }
if (port == in_port && dst->vlan == flow_vlan) {
/* Don't send out input port on same VLAN. */
continue;
mirrors &= mirrors - 1;
}
- partition_dsts(dsts, dst - dsts, ntohs(flow->dl_vlan));
+ partition_dsts(dsts, dst - dsts, flow_vlan);
return dst - dsts;
}
}
static void
-compose_actions(struct bridge *br, const flow_t *flow, uint16_t vlan,
+compose_actions(struct bridge *br, const struct flow *flow, uint16_t vlan,
const struct port *in_port, const struct port *out_port,
tag_type *tags, struct odp_actions *actions,
uint16_t *nf_output_iface)
n_dsts = compose_dsts(br, flow, vlan, in_port, out_port, dsts, tags,
nf_output_iface);
- cur_vlan = ntohs(flow->dl_vlan);
+ cur_vlan = vlan_tci_to_vid(flow->vlan_tci);
+ if (cur_vlan == 0) {
+ cur_vlan = OFP_VLAN_NONE;
+ }
for (p = dsts; p < &dsts[n_dsts]; p++) {
union odp_action *a;
if (p->vlan != cur_vlan) {
if (p->vlan == OFP_VLAN_NONE) {
odp_actions_add(actions, ODPAT_STRIP_VLAN);
} else {
- a = odp_actions_add(actions, ODPAT_SET_VLAN_VID);
- a->vlan_vid.vlan_vid = htons(p->vlan);
+ a = odp_actions_add(actions, ODPAT_SET_DL_TCI);
+ a->dl_tci.tci = htons(p->vlan & VLAN_VID_MASK);
+ a->dl_tci.tci |= flow->vlan_tci & htons(VLAN_PCP_MASK);
}
cur_vlan = p->vlan;
}
* 802.1Q header and implicitly tagged ports. A value of 0 indicates that
* the packet is untagged and -1 indicates it has an invalid header and
* should be dropped. */
-static int flow_get_vlan(struct bridge *br, const flow_t *flow,
+static int flow_get_vlan(struct bridge *br, const struct flow *flow,
struct port *in_port, bool have_packet)
{
- /* Note that dl_vlan of 0 and of OFP_VLAN_NONE both mean that the packet
- * belongs to VLAN 0, so we should treat both cases identically. (In the
- * former case, the packet has an 802.1Q header that specifies VLAN 0,
- * presumably to allow a priority to be specified. In the latter case, the
- * packet does not have any 802.1Q header.) */
- int vlan = ntohs(flow->dl_vlan);
- if (vlan == OFP_VLAN_NONE) {
- vlan = 0;
- }
+ int vlan = vlan_tci_to_vid(flow->vlan_tci);
if (in_port->vlan >= 0) {
if (vlan) {
/* XXX support double tagging? */
if (have_packet) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
- VLOG_WARN_RL(&rl, "bridge %s: dropping VLAN %"PRIu16" tagged "
+ VLOG_WARN_RL(&rl, "bridge %s: dropping VLAN %d tagged "
"packet received on port %s configured with "
"implicit VLAN %"PRIu16,
- br->name, ntohs(flow->dl_vlan),
- in_port->name, in_port->vlan);
+ br->name, vlan, in_port->name, in_port->vlan);
}
return -1;
}
* migration. Older Citrix-patched Linux DomU used gratuitous ARP replies to
* indicate this; newer upstream kernels use gratuitous ARP requests. */
static bool
-is_gratuitous_arp(const flow_t *flow)
+is_gratuitous_arp(const struct flow *flow)
{
return (flow->dl_type == htons(ETH_TYPE_ARP)
&& eth_addr_is_broadcast(flow->dl_dst)
}
static void
-update_learning_table(struct bridge *br, const flow_t *flow, int vlan,
+update_learning_table(struct bridge *br, const struct flow *flow, int vlan,
struct port *in_port)
{
enum grat_arp_lock_type lock_type;
* so in one special case.
*/
static bool
-is_admissible(struct bridge *br, const flow_t *flow, bool have_packet,
+is_admissible(struct bridge *br, const struct flow *flow, bool have_packet,
tag_type *tags, int *vlanp, struct port **in_portp)
{
struct iface *in_iface;
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_WARN_RL(&rl, "bridge %s: received packet on unknown "
- "interface %"PRIu16, br->name, flow->in_port);
+ "interface %"PRIu16, br->name, flow->in_port);
}
*in_portp = NULL;
* returns true. Otherwise, the actions should only be applied to 'packet', or
* not at all, if 'packet' was NULL. */
static bool
-process_flow(struct bridge *br, const flow_t *flow,
+process_flow(struct bridge *br, const struct flow *flow,
const struct ofpbuf *packet, struct odp_actions *actions,
tag_type *tags, uint16_t *nf_output_iface)
{
return true;
}
-/* Careful: 'opp' is in host byte order and opp->port_no is an OFP port
- * number. */
-static void
-bridge_port_changed_ofhook_cb(enum ofp_port_reason reason,
- const struct ofp_phy_port *opp,
- void *br_)
+static bool
+bridge_normal_ofhook_cb(const struct flow *flow, const struct ofpbuf *packet,
+ struct odp_actions *actions, tag_type *tags,
+ uint16_t *nf_output_iface, void *br_)
{
- struct bridge *br = br_;
struct iface *iface;
- struct port *port;
+ struct bridge *br = br_;
- iface = iface_from_dp_ifidx(br, ofp_port_to_odp_port(opp->port_no));
- if (!iface) {
- return;
- }
- port = iface->port;
+ COVERAGE_INC(bridge_process_flow);
- if (reason == OFPPR_DELETE) {
- VLOG_WARN("bridge %s: interface %s deleted unexpectedly",
- br->name, iface->name);
- iface_destroy(iface);
- if (!port->n_ifaces) {
- VLOG_WARN("bridge %s: port %s has no interfaces, dropping",
- br->name, port->name);
- port_destroy(port);
- }
+ iface = iface_from_dp_ifidx(br, flow->in_port);
- bridge_flush(br);
- } else {
- if (port->n_ifaces > 1) {
- bool up = !(opp->state & OFPPS_LINK_DOWN);
- bond_link_status_update(iface, up);
- port_update_bond_compat(port);
+ if (cfm_should_process_flow(flow)) {
+ if (packet && iface->cfm) {
+ cfm_process_heartbeat(iface->cfm, packet);
}
+ return false;
}
-}
-
-static bool
-bridge_normal_ofhook_cb(const flow_t *flow, const struct ofpbuf *packet,
- struct odp_actions *actions, tag_type *tags,
- uint16_t *nf_output_iface, void *br_)
-{
- struct bridge *br = br_;
- COVERAGE_INC(bridge_process_flow);
return process_flow(br, flow, packet, actions, tags, nf_output_iface);
}
static void
-bridge_account_flow_ofhook_cb(const flow_t *flow,
+bridge_account_flow_ofhook_cb(const struct flow *flow, tag_type tags,
const union odp_action *actions,
size_t n_actions, unsigned long long int n_bytes,
void *br_)
struct bridge *br = br_;
const union odp_action *a;
struct port *in_port;
- tag_type tags = 0;
+ tag_type dummy = 0;
int vlan;
- /* Feed information from the active flows back into the learning table
- * to ensure that table is always in sync with what is actually flowing
- * through the datapath. */
- if (is_admissible(br, flow, false, &tags, &vlan, &in_port)) {
+ /* Feed information from the active flows back into the learning table to
+ * ensure that table is always in sync with what is actually flowing
+ * through the datapath.
+ *
+ * We test that 'tags' is nonzero to ensure that only flows that include an
+ * OFPP_NORMAL action are used for learning. This works because
+ * bridge_normal_ofhook_cb() always sets a nonzero tag value. */
+ if (tags && is_admissible(br, flow, false, &dummy, &vlan, &in_port)) {
update_learning_table(br, flow, vlan, in_port);
}
+ /* Account for bond slave utilization. */
if (!br->has_bonded_ports) {
return;
}
-
for (a = actions; a < &actions[n_actions]; a++) {
if (a->type == ODPAT_OUTPUT) {
struct port *out_port = port_from_dp_ifidx(br, a->output.port);
}
static struct ofhooks bridge_ofhooks = {
- bridge_port_changed_ofhook_cb,
bridge_normal_ofhook_cb,
bridge_account_flow_ofhook_cb,
bridge_account_checkpoint_ofhook_cb,
* smallest hashes instead of the biggest ones. There is little
* reason behind this decision; we could use the opposite sort
* order to shift away big hashes ahead of small ones. */
- size_t i;
bool order_swapped;
for (i = 0; i < from->n_hashes; i++) {
ofpbuf_init(&packet, 128);
error = n_packets = n_errors = 0;
- LIST_FOR_EACH (e, struct mac_entry, lru_node, &br->ml->lrus) {
+ LIST_FOR_EACH (e, lru_node, &br->ml->lrus) {
union ofp_action actions[2], *a;
uint16_t dp_ifidx;
tag_type tags = 0;
- flow_t flow;
+ struct flow flow;
int retval;
if (e->port == port->port_idx
ds_put_cstr(&ds, "bridge\tbond\tslaves\n");
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
size_t i;
for (i = 0; i < br->n_ports; i++) {
{
const struct bridge *br;
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
size_t i;
for (i = 0; i < br->n_ports; i++) {
hash, be->tx_bytes / 1024);
/* MACs. */
- LIST_FOR_EACH (me, struct mac_entry, lru_node,
- &port->bridge->ml->lrus) {
+ LIST_FOR_EACH (me, lru_node, &port->bridge->ml->lrus) {
uint16_t dp_ifidx;
tag_type tags = 0;
if (bond_hash(me->mac) == hash
if (port->updelay < 0) {
port->updelay = 0;
}
- port->updelay = cfg->bond_downdelay;
+ port->downdelay = cfg->bond_downdelay;
if (port->downdelay < 0) {
port->downdelay = 0;
}
if (!shash_add_once(&new_ifaces, if_cfg->name, NULL)) {
VLOG_WARN("port %s: %s specified twice as port interface",
port->name, if_cfg->name);
+ iface_set_ofport(if_cfg, -1);
continue;
}
}
iface->cfg = if_cfg;
} else {
- iface_create(port, if_cfg);
+ iface = iface_create(port, if_cfg);
}
+
+ /* Determine interface type. The local port always has type
+ * "internal". Other ports take their type from the database and
+ * default to "system" if none is specified. */
+ iface->type = (!strcmp(if_cfg->name, port->bridge->name) ? "internal"
+ : if_cfg->type[0] ? if_cfg->type
+ : "system");
}
shash_destroy(&new_ifaces);
trunks = NULL;
if (vlan < 0 && cfg->n_trunks) {
size_t n_errors;
- size_t i;
trunks = bitmap_allocate(4096);
n_errors = 0;
del = br->ports[port->port_idx] = br->ports[--br->n_ports];
del->port_idx = port->port_idx;
+ VLOG_INFO("destroyed port %s on bridge %s", port->name, br->name);
+
+ netdev_monitor_destroy(port->monitor);
free(port->ifaces);
bitmap_free(port->trunks);
free(port->name);
static void
port_update_bonding(struct port *port)
{
+ if (port->monitor) {
+ netdev_monitor_destroy(port->monitor);
+ port->monitor = NULL;
+ }
if (port->n_ifaces < 2) {
/* Not a bonded port. */
if (port->bond_hash) {
port->bond_fake_iface = false;
}
} else {
- if (!port->bond_hash) {
- size_t i;
+ size_t i;
+ if (!port->bond_hash) {
port->bond_hash = xcalloc(BOND_MASK + 1, sizeof *port->bond_hash);
for (i = 0; i <= BOND_MASK; i++) {
struct bond_entry *e = &port->bond_hash[i];
}
port->bond_compat_is_stale = true;
port->bond_fake_iface = port->cfg->bond_fake_iface;
+
+ port->monitor = netdev_monitor_create();
+ for (i = 0; i < port->n_ifaces; i++) {
+ netdev_monitor_add(port->monitor, port->ifaces[i]->netdev);
+ }
}
}
/* We need to make the same determination as the Linux bonding
* code to determine whether a slave should be consider "up".
- * The Linux function bond_miimon_inspect() supports four
+ * The Linux function bond_miimon_inspect() supports four
* BOND_LINK_* states:
- *
+ *
* - BOND_LINK_UP: carrier detected, updelay has passed.
* - BOND_LINK_FAIL: carrier lost, downdelay in progress.
* - BOND_LINK_DOWN: carrier lost, downdelay has passed.
* - BOND_LINK_BACK: carrier detected, updelay in progress.
*
- * The function bond_info_show_slave() only considers BOND_LINK_UP
+ * The function bond_info_show_slave() only considers BOND_LINK_UP
* to be "up" and anything else to be "down".
*/
slave->up = iface->enabled && iface->delay_expires == LLONG_MAX;
\f
/* Interface functions. */
+static void
+iface_send_packet(struct iface *iface, struct ofpbuf *packet)
+{
+ struct flow flow;
+ union ofp_action action;
+
+ memset(&action, 0, sizeof action);
+ action.output.type = htons(OFPAT_OUTPUT);
+ action.output.len = htons(sizeof action);
+ action.output.port = htons(odp_port_to_ofp_port(iface->dp_ifidx));
+
+ flow_extract(packet, 0, ODPP_NONE, &flow);
+
+ if (ofproto_send_packet(iface->port->bridge->ofproto, &flow, &action, 1,
+ packet)) {
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
+ VLOG_WARN_RL(&rl, "interface %s: Failed to send packet.", iface->name);
+ }
+}
+
static struct iface *
iface_create(struct port *port, const struct ovsrec_interface *if_cfg)
{
struct bridge *br = port->bridge;
struct iface *iface;
char *name = if_cfg->name;
- int error;
iface = xzalloc(sizeof *iface);
iface->port = port;
shash_add_assert(&br->iface_by_name, iface->name, iface);
- /* Attempt to create the network interface in case it doesn't exist yet. */
- if (!iface_is_internal(br, iface->name)) {
- error = set_up_iface(if_cfg, iface, true);
- if (error) {
- VLOG_WARN("could not create iface %s: %s", iface->name,
- strerror(error));
-
- shash_find_and_delete_assert(&br->iface_by_name, iface->name);
- free(iface->name);
- free(iface);
- return NULL;
- }
- }
-
if (port->n_ifaces >= port->allocated_ifaces) {
port->ifaces = x2nrealloc(port->ifaces, &port->allocated_ifaces,
sizeof *port->ifaces);
shash_find_and_delete_assert(&br->iface_by_name, iface->name);
if (iface->dp_ifidx >= 0) {
- port_array_set(&br->ifaces, iface->dp_ifidx, NULL);
+ hmap_remove(&br->ifaces, &iface->dp_ifidx_node);
}
del = port->ifaces[iface->port_ifidx] = port->ifaces[--port->n_ifaces];
bond_send_learning_packets(port);
}
+ cfm_destroy(iface->cfm);
+
free(iface->name);
free(iface);
static struct iface *
iface_from_dp_ifidx(const struct bridge *br, uint16_t dp_ifidx)
-{
- return port_array_get(&br->ifaces, dp_ifidx);
-}
-
-/* Returns true if 'iface' is the name of an "internal" interface on bridge
- * 'br', that is, an interface that is entirely simulated within the datapath.
- * The local port (ODPP_LOCAL) is always an internal interface. Other local
- * interfaces are created by setting "iface.<iface>.internal = true".
- *
- * In addition, we have a kluge-y feature that creates an internal port with
- * the name of a bonded port if "bonding.<bondname>.fake-iface = true" is set.
- * This feature needs to go away in the long term. Until then, this is one
- * reason why this function takes a name instead of a struct iface: the fake
- * interfaces created this way do not have a struct iface. */
-static bool
-iface_is_internal(const struct bridge *br, const char *if_name)
{
struct iface *iface;
- struct port *port;
-
- if (!strcmp(if_name, br->name)) {
- return true;
- }
-
- iface = iface_lookup(br, if_name);
- if (iface && !strcmp(iface->cfg->type, "internal")) {
- return true;
- }
- port = port_lookup(br, if_name);
- if (port && port->n_ifaces > 1 && port->cfg->bond_fake_iface) {
- return true;
+ HMAP_FOR_EACH_IN_BUCKET (iface, dp_ifidx_node,
+ hash_int(dp_ifidx, 0), &br->ifaces) {
+ if (iface->dp_ifidx == dp_ifidx) {
+ return iface;
+ }
}
- return false;
+ return NULL;
}
/* Set Ethernet address of 'iface', if one is specified in the configuration
}
}
+/* Sets the ofport column of 'if_cfg' to 'ofport'. */
+static void
+iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport)
+{
+ if (if_cfg) {
+ ovsrec_interface_set_ofport(if_cfg, &ofport, 1);
+ }
+}
+
+/* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'.
+ *
+ * The value strings in '*shash' are taken directly from values[], not copied,
+ * so the caller should not modify or free them. */
static void
shash_from_ovs_idl_map(char **keys, char **values, size_t n,
struct shash *shash)
}
}
}
+
+static void
+iface_update_cfm(struct iface *iface)
+{
+ size_t i;
+ struct cfm *cfm;
+ uint16_t *remote_mps;
+ struct ovsrec_monitor *mon;
+ uint8_t ea[ETH_ADDR_LEN], maid[CCM_MAID_LEN];
+
+ mon = iface->cfg->monitor;
+
+ if (!mon) {
+ return;
+ }
+
+ if (netdev_get_etheraddr(iface->netdev, ea)) {
+ VLOG_WARN("interface %s: Failed to get ethernet address. "
+ "Skipping Monitor.", iface->name);
+ return;
+ }
+
+ if (!cfm_generate_maid(mon->md_name, mon->ma_name, maid)) {
+ VLOG_WARN("interface %s: Failed to generate MAID.", iface->name);
+ return;
+ }
+
+ if (!iface->cfm) {
+ iface->cfm = cfm_create();
+ }
+
+ cfm = iface->cfm;
+ cfm->mpid = mon->mpid;
+ cfm->interval = mon->interval ? *mon->interval : 1000;
+
+ memcpy(cfm->eth_src, ea, sizeof cfm->eth_src);
+ memcpy(cfm->maid, maid, sizeof cfm->maid);
+
+ remote_mps = xzalloc(mon->n_remote_mps * sizeof *remote_mps);
+ for(i = 0; i < mon->n_remote_mps; i++) {
+ remote_mps[i] = mon->remote_mps[i]->mpid;
+ }
+ cfm_update_remote_mps(cfm, remote_mps, mon->n_remote_mps);
+ free(remote_mps);
+
+ if (!cfm_configure(iface->cfm)) {
+ cfm_destroy(iface->cfm);
+ iface->cfm = NULL;
+ }
+}
\f
/* Port mirroring. */