#include <config.h>
#include "bridge.h"
-#include <assert.h>
#include <errno.h>
#include <inttypes.h>
#include <stdlib.h>
static void port_configure(struct port *);
static struct lacp_settings *port_configure_lacp(struct port *,
struct lacp_settings *);
-static void port_configure_bond(struct port *, struct bond_settings *,
- uint32_t *bond_stable_ids);
+static void port_configure_bond(struct port *, struct bond_settings *);
static bool port_is_synthetic(const struct port *);
static void reconfigure_system_stats(const struct ovsrec_open_vswitch *);
bridge_init(const char *remote)
{
/* Create connection to database. */
- idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true);
+ idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true, true);
idl_seqno = ovsdb_idl_get_seqno(idl);
ovsdb_idl_set_lock(idl, "ovs_vswitchd");
ovsdb_idl_verify_write_only(idl);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets);
+ ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mac_in_use);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
COVERAGE_INC(bridge_reconfigure);
- assert(!reconfiguring);
+ ovs_assert(!reconfiguring);
reconfiguring = true;
/* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
struct bridge *br;
bool done;
- assert(reconfiguring);
+ ovs_assert(reconfiguring);
done = bridge_reconfigure_ofp();
/* Complete the configuration. */
/* Get bond settings. */
if (s.n_slaves > 1) {
s.bond = &bond_settings;
- s.bond_stable_ids = xmalloc(s.n_slaves * sizeof *s.bond_stable_ids);
- port_configure_bond(port, &bond_settings, s.bond_stable_ids);
+ port_configure_bond(port, &bond_settings);
} else {
s.bond = NULL;
- s.bond_stable_ids = NULL;
-
LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
netdev_set_miimon_interval(iface->netdev, 0);
}
free(s.slaves);
free(s.trunks);
free(s.lacp_slaves);
- free(s.bond_stable_ids);
}
/* Pick local port hardware address and datapath ID for 'br'. */
{
struct bridge *br = iface->port->bridge;
- assert(iface->ofp_port < 0 && ofp_port >= 0);
+ ovs_assert(iface->ofp_port < 0 && ofp_port >= 0);
iface->ofp_port = ofp_port;
hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0));
iface_set_ofport(iface->cfg, ofp_port);
* internal datastructures may not be consistent. Eventually, when port
* additions and deletions are cheaper, these calls should be removed. */
bridge_run_fast();
- assert(!iface_lookup(br, iface_cfg->name));
+ ovs_assert(!iface_lookup(br, iface_cfg->name));
error = iface_do_create(br, if_cfg, &ofp_port, &netdev);
bridge_run_fast();
if (error) {
error = netdev_open(port->name, "internal", &netdev);
if (!error) {
- uint16_t ofp_port = if_cfg->ofport;
+ uint16_t fake_ofp_port = if_cfg->ofport;
- ofproto_port_add(br->ofproto, netdev, &ofp_port);
+ ofproto_port_add(br->ofproto, netdev, &fake_ofp_port);
netdev_close(netdev);
} else {
VLOG_WARN("could not open network device %s (%s)",
int64_t bps;
int mtu;
int64_t mtu_64;
+ uint8_t mac[ETH_ADDR_LEN];
int error;
if (iface_is_synthetic(iface)) {
netdev_features_is_full_duplex(current)
? "full" : "half");
ovsrec_interface_set_link_speed(iface->cfg, &bps, 1);
- }
- else {
+ } else {
ovsrec_interface_set_duplex(iface->cfg, NULL);
ovsrec_interface_set_link_speed(iface->cfg, NULL, 0);
}
if (!error) {
mtu_64 = mtu;
ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1);
- }
- else {
+ } else {
ovsrec_interface_set_mtu(iface->cfg, NULL, 0);
}
+
+ error = netdev_get_etheraddr(iface->netdev, mac);
+ if (!error) {
+ char mac_string[32];
+
+ sprintf(mac_string, ETH_ADDR_FMT, ETH_ADDR_ARGS(mac));
+ ovsrec_interface_set_mac_in_use(iface->cfg, mac_string);
+ } else {
+ ovsrec_interface_set_mac_in_use(iface->cfg, NULL);
+ }
}
/* Writes 'iface''s CFM statistics to the database. 'iface' must not be
iface_refresh_cfm_stats(struct iface *iface)
{
const struct ovsrec_interface *cfg = iface->cfg;
- int fault, opup, error;
- const uint64_t *rmps;
- size_t n_rmps;
- int health;
-
- fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto,
- iface->ofp_port);
- if (fault >= 0) {
+ struct ofproto_cfm_status status;
+
+ if (!ofproto_port_get_cfm_status(iface->port->bridge->ofproto,
+ iface->ofp_port, &status)) {
+ ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
+ ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
+ ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
+ ovsrec_interface_set_cfm_health(cfg, NULL, 0);
+ ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
+ } else {
const char *reasons[CFM_FAULT_N_REASONS];
- bool fault_bool = fault;
+ int64_t cfm_health = status.health;
+ bool faulted = status.faults != 0;
size_t i, j;
+ ovsrec_interface_set_cfm_fault(cfg, &faulted, 1);
+
j = 0;
for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
int reason = 1 << i;
- if (fault & reason) {
+ if (status.faults & reason) {
reasons[j++] = cfm_fault_reason_to_str(reason);
}
}
-
- ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1);
ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j);
- } else {
- ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
- ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
- }
-
- opup = ofproto_port_get_cfm_opup(iface->port->bridge->ofproto,
- iface->ofp_port);
- if (opup >= 0) {
- ovsrec_interface_set_cfm_remote_opstate(cfg, opup ? "up" : "down");
- } else {
- ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
- }
- error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto,
- iface->ofp_port, &rmps, &n_rmps);
- if (error >= 0) {
- ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps,
- n_rmps);
- } else {
- ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
- }
+ if (status.remote_opstate >= 0) {
+ const char *remote_opstate = status.remote_opstate ? "up" : "down";
+ ovsrec_interface_set_cfm_remote_opstate(cfg, remote_opstate);
+ } else {
+ ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
+ }
- health = ofproto_port_get_cfm_health(iface->port->bridge->ofproto,
- iface->ofp_port);
- if (health >= 0) {
- int64_t cfm_health = health;
- ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
- } else {
- ovsrec_interface_set_cfm_health(cfg, NULL, 0);
+ ovsrec_interface_set_cfm_remote_mpids(cfg,
+ (const int64_t *)status.rmps,
+ status.n_rmps);
+ if (cfm_health >= 0) {
+ ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
+ } else {
+ ovsrec_interface_set_cfm_health(cfg, NULL, 0);
+ }
}
}
#define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
IFACE_STATS;
#undef IFACE_STAT
- assert(i == ARRAY_SIZE(keys));
+ ovs_assert(i == ARRAY_SIZE(keys));
ovsrec_interface_set_statistics(iface->cfg, keys, values,
ARRAY_SIZE(keys));
}
static inline const char *
-nx_role_to_str(enum nx_role role)
+ofp12_controller_role_to_str(enum ofp12_controller_role role)
{
switch (role) {
- case NX_ROLE_OTHER:
+ case OFPCR12_ROLE_EQUAL:
return "other";
- case NX_ROLE_MASTER:
+ case OFPCR12_ROLE_MASTER:
return "master";
- case NX_ROLE_SLAVE:
+ case OFPCR12_ROLE_SLAVE:
return "slave";
+ case OFPCR12_ROLE_NOCHANGE:
default:
return "*** INVALID ROLE ***";
}
}
ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
- ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role));
+ ovsrec_controller_set_role(cfg, ofp12_controller_role_to_str(
+ cinfo->role));
ovsrec_controller_set_status(cfg, &smap);
smap_destroy(&smap);
} else {
ofproto_free_ofproto_controller_info(&info);
}
+\f
+/* "Instant" stats.
+ *
+ * Some information in the database must be kept as up-to-date as possible to
+ * allow controllers to respond rapidly to network outages. We call these
+ * statistics "instant" stats.
+ *
+ * We wish to update these statistics every INSTANT_INTERVAL_MSEC milliseconds,
+ * assuming that they've changed. The only means we have to determine whether
+ * they have changed are:
+ *
+ * - Try to commit changes to the database. If nothing changed, then
+ * ovsdb_idl_txn_commit() returns TXN_UNCHANGED, otherwise some other
+ * value.
+ *
+ * - instant_stats_run() is called late in the run loop, after anything that
+ * might change any of the instant stats.
+ *
+ * We use these two facts together to avoid waking the process up every
+ * INSTANT_INTERVAL_MSEC whether there is any change or not.
+ */
+
+/* Minimum interval between writing updates to the instant stats to the
+ * database. */
+#define INSTANT_INTERVAL_MSEC 100
+
+/* Current instant stats database transaction, NULL if there is no ongoing
+ * transaction. */
+static struct ovsdb_idl_txn *instant_txn;
+
+/* Next time (in msec on monotonic clock) at which we will update the instant
+ * stats. */
+static long long int instant_next_txn = LLONG_MIN;
+
+/* True if the run loop has run since we last saw that the instant stats were
+ * unchanged, that is, this is true if we need to wake up at 'instant_next_txn'
+ * to refresh the instant stats. */
+static bool instant_stats_could_have_changed;
static void
-refresh_instant_stats(void)
+instant_stats_run(void)
{
- static struct ovsdb_idl_txn *txn = NULL;
+ enum ovsdb_idl_txn_status status;
- if (!txn) {
+ instant_stats_could_have_changed = true;
+
+ if (!instant_txn) {
struct bridge *br;
- txn = ovsdb_idl_txn_create(idl);
+ if (time_msec() < instant_next_txn) {
+ return;
+ }
+ instant_next_txn = time_msec() + INSTANT_INTERVAL_MSEC;
+ instant_txn = ovsdb_idl_txn_create(idl);
HMAP_FOR_EACH (br, node, &all_bridges) {
struct iface *iface;
struct port *port;
}
}
- if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) {
- ovsdb_idl_txn_destroy(txn);
- txn = NULL;
+ status = ovsdb_idl_txn_commit(instant_txn);
+ if (status != TXN_INCOMPLETE) {
+ ovsdb_idl_txn_destroy(instant_txn);
+ instant_txn = NULL;
+ }
+ if (status == TXN_UNCHANGED) {
+ instant_stats_could_have_changed = false;
}
}
+static void
+instant_stats_wait(void)
+{
+ if (instant_txn) {
+ ovsdb_idl_txn_wait(instant_txn);
+ } else if (instant_stats_could_have_changed) {
+ poll_timer_wait_until(instant_next_txn);
+ }
+}
+\f
/* Performs periodic activity required by bridges that needs to be done with
* the least possible latency.
*
}
run_system_stats();
- refresh_instant_stats();
+ instant_stats_run();
}
void
}
system_stats_wait();
+ instant_stats_wait();
}
/* Adds some memory usage statistics for bridges into 'usage', for use with
{
struct bridge *br;
- assert(!bridge_lookup(br_cfg->name));
+ ovs_assert(!bridge_lookup(br_cfg->name));
br = xzalloc(sizeof *br);
br->name = xstrdup(br_cfg->name);
struct shash new_ports;
size_t i;
- assert(hmap_is_empty(&br->if_cfg_todo));
+ ovs_assert(hmap_is_empty(&br->if_cfg_todo));
/* Collect new ports. */
shash_init(&new_ports);
equal_pathnames(const char *a, const char *b, size_t b_stoplen)
{
const char *b_start = b;
- while (b - b_start < b_stoplen && *a == *b) {
- if (*a == '/') {
+ for (;;) {
+ if (b - b_start >= b_stoplen) {
+ return true;
+ } else if (*a != *b) {
+ return false;
+ } else if (*a == '/') {
a += strspn(a, "/");
b += strspn(b, "/");
} else if (*a == '\0') {
b++;
}
}
- return false;
}
static void
if (!strncmp(c->target, "unix:", 5)) {
/* Connect to a listening socket */
whitelist = xasprintf("unix:%s/", ovs_rundir());
- if (!equal_pathnames(c->target, whitelist,
- strlen(whitelist))) {
+ if (strchr(c->target, '/') &&
+ !equal_pathnames(c->target, whitelist,
+ strlen(whitelist))) {
+ /* Absolute path specified, but not in ovs_rundir */
VLOG_ERR_RL(&rl, "bridge %s: Not connecting to socket "
"controller \"%s\" due to possibility for "
"remote exploit. Instead, specify socket "
}
static void
-port_configure_bond(struct port *port, struct bond_settings *s,
- uint32_t *bond_stable_ids)
+port_configure_bond(struct port *port, struct bond_settings *s)
{
const char *detect_s;
struct iface *iface;
int miimon_interval;
- size_t i;
s->name = port->name;
s->balance = BM_AB;
s->fake_iface = port->cfg->bond_fake_iface;
- i = 0;
LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
- long long stable_id;
-
- stable_id = smap_get_int(&iface->cfg->other_config, "bond-stable-id",
- 0);
- if (stable_id <= 0 || stable_id >= UINT32_MAX) {
- stable_id = iface->ofp_port;
- }
- bond_stable_ids[i++] = stable_id;
-
netdev_set_miimon_interval(iface->netdev, miimon_interval);
}
}
ovsrec_interface_set_duplex(if_cfg, NULL);
ovsrec_interface_set_link_speed(if_cfg, NULL, 0);
ovsrec_interface_set_link_state(if_cfg, NULL);
+ ovsrec_interface_set_mac_in_use(if_cfg, NULL);
ovsrec_interface_set_mtu(if_cfg, NULL, 0);
ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);