const struct mf_subfield *fields,
size_t n_fields);
-static void oftable_remove_rule(struct rule *rule) OVS_RELEASES(rule->evict);
+static void oftable_remove_rule(struct rule *rule) OVS_RELEASES(rule->rwlock);
static void oftable_remove_rule__(struct ofproto *ofproto,
struct classifier *cls, struct rule *rule)
- OVS_REQ_WRLOCK(cls->rwlock) OVS_RELEASES(rule->evict);
+ OVS_REQ_WRLOCK(cls->rwlock) OVS_RELEASES(rule->rwlock);
static void oftable_insert_rule(struct rule *);
/* A set of rules within a single OpenFlow table (oftable) that have the same
};
static bool choose_rule_to_evict(struct oftable *table, struct rule **rulep)
- OVS_TRY_WRLOCK(true, (*rulep)->evict);
+ OVS_TRY_WRLOCK(true, (*rulep)->rwlock);
static void ofproto_evict(struct ofproto *);
static uint32_t rule_eviction_priority(struct rule *);
static void eviction_group_add_rule(struct rule *);
static void reinit_ports(struct ofproto *);
/* rule. */
+static void ofproto_rule_destroy(struct rule *);
static void ofproto_rule_destroy__(struct rule *);
static void ofproto_rule_send_removed(struct rule *, uint8_t reason);
static bool rule_is_modifiable(const struct rule *);
const struct ofp_header *, struct list *);
static void delete_flow__(struct rule *rule, struct ofopgroup *,
enum ofp_flow_removed_reason)
- OVS_RELEASES(rule->evict);
+ OVS_RELEASES(rule->rwlock);
static bool handle_openflow(struct ofconn *, const struct ofpbuf *);
static enum ofperr handle_flow_mod__(struct ofproto *, struct ofconn *,
struct ofputil_flow_mod *,
shash_init(&ofproto->port_by_name);
simap_init(&ofproto->ofp_requests);
ofproto->max_ports = ofp_to_u16(OFPP_MAX);
+ ofproto->eviction_group_timer = LLONG_MIN;
ofproto->tables = NULL;
ofproto->n_tables = 0;
hindex_init(&ofproto->cookies);
}
/* Sets number of upcall handler threads. The default is
- * (number of online cores - 1). */
+ * (number of online cores - 2). */
void
ofproto_set_n_handler_threads(unsigned limit)
{
if (limit) {
n_handler_threads = limit;
} else {
- n_handler_threads = MAX(1, sysconf(_SC_NPROCESSORS_ONLN) - 1);
+ int n_proc = sysconf(_SC_NPROCESSORS_ONLN);
+ n_handler_threads = n_proc > 2 ? n_proc - 2 : 1;
}
}
group = ofopgroup_create_unattached(ofproto);
ofoperation_create(group, rule, OFOPERATION_DELETE, OFPRR_DELETE);
- ovs_rwlock_wrlock(&rule->evict);
+ ovs_rwlock_wrlock(&rule->rwlock);
oftable_remove_rule__(ofproto, cls, rule);
ofproto->ofproto_class->rule_delete(rule);
ofopgroup_submit(group);
ovs_assert(list_is_empty(&ofproto->pending));
ovs_assert(!ofproto->n_pending);
- if (ofproto->meters) {
- meter_delete(ofproto, 1, ofproto->meter_features.max_meters);
- free(ofproto->meters);
- }
-
connmgr_destroy(ofproto->connmgr);
hmap_remove(&all_ofprotos, &ofproto->hmap_node);
return;
}
+ if (p->meters) {
+ meter_delete(p, 1, p->meter_features.max_meters);
+ p->meter_features.max_meters = 0;
+ free(p->meters);
+ p->meters = NULL;
+ }
+
ofproto_flush__(p);
HMAP_FOR_EACH_SAFE (ofport, next_ofport, hmap_node, &p->ports) {
ofport_destroy(ofport);
VLOG_ERR_RL(&rl, "%s: run failed (%s)", p->name, ovs_strerror(error));
}
+ /* Restore the eviction group heap invariant occasionally. */
+ if (p->eviction_group_timer < time_msec()) {
+ size_t i;
+
+ p->eviction_group_timer = time_msec() + 1000;
+
+ for (i = 0; i < p->n_tables; i++) {
+ struct oftable *table = &p->tables[i];
+ struct eviction_group *evg;
+ struct cls_cursor cursor;
+ struct rule *rule;
+
+ if (!table->eviction_fields) {
+ continue;
+ }
+
+ HEAP_FOR_EACH (evg, size_node, &table->eviction_groups_by_size) {
+ heap_rebuild(&evg->rules);
+ }
+
+ ovs_rwlock_rdlock(&table->cls.rwlock);
+ cls_cursor_init(&cursor, &table->cls, NULL);
+ CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
+ if (!rule->eviction_group
+ && (rule->idle_timeout || rule->hard_timeout)) {
+ eviction_group_add_rule(rule);
+ }
+ }
+ ovs_rwlock_unlock(&table->cls.rwlock);
+ }
+ }
+
if (p->ofproto_class->port_poll) {
char *devname;
pp->state = netdev_get_carrier(netdev) ? 0 : OFPUTIL_PS_LINK_DOWN;
netdev_get_features(netdev, &pp->curr, &pp->advertised,
&pp->supported, &pp->peer);
- pp->curr_speed = netdev_features_to_bps(pp->curr, 0);
- pp->max_speed = netdev_features_to_bps(pp->supported, 0);
+ pp->curr_speed = netdev_features_to_bps(pp->curr, 0) / 1000;
+ pp->max_speed = netdev_features_to_bps(pp->supported, 0) / 1000;
return netdev;
}
}
\f
static void
-ofproto_rule_destroy__(struct rule *rule)
+ofproto_rule_destroy(struct rule *rule)
{
if (rule) {
rule->ofproto->ofproto_class->rule_destruct(rule);
- cls_rule_destroy(&rule->cr);
- free(rule->ofpacts);
- ovs_mutex_destroy(&rule->timeout_mutex);
- ovs_rwlock_destroy(&rule->evict);
- rule->ofproto->ofproto_class->rule_dealloc(rule);
+ ofproto_rule_destroy__(rule);
}
}
+static void
+ofproto_rule_destroy__(struct rule *rule)
+{
+ cls_rule_destroy(&rule->cr);
+ free(rule->ofpacts);
+ ovs_mutex_destroy(&rule->timeout_mutex);
+ ovs_rwlock_destroy(&rule->rwlock);
+ rule->ofproto->ofproto_class->rule_dealloc(rule);
+}
+
/* This function allows an ofproto implementation to destroy any rules that
* remain when its ->destruct() function is called.. This function implements
* steps 4.4 and 4.5 in the section titled "Rule Life Cycle" in
if (new_cookie != rule->flow_cookie) {
cookies_remove(ofproto, rule);
+ ovs_rwlock_wrlock(&rule->rwlock);
rule->flow_cookie = new_cookie;
+ ovs_rwlock_unlock(&rule->rwlock);
cookies_insert(ofproto, rule);
}
} else if (!choose_rule_to_evict(table, &rule)) {
return OFPERR_OFPFMFC_TABLE_FULL;
} else if (rule->pending) {
- ovs_rwlock_unlock(&rule->evict);
+ ovs_rwlock_unlock(&rule->rwlock);
return OFPROTO_POSTPONE;
} else {
struct ofopgroup *group;
error = ofproto_check_ofpacts(ofproto, fm->ofpacts, fm->ofpacts_len,
&fm->match.flow, table_id);
if (error) {
+ cls_rule_destroy(&cr);
return error;
}
rule->monitor_flags = 0;
rule->add_seqno = 0;
rule->modify_seqno = 0;
- ovs_rwlock_init(&rule->evict);
+ ovs_rwlock_init(&rule->rwlock);
/* Construct rule, initializing derived state. */
error = ofproto->ofproto_class->rule_construct(rule);
op->ofpacts = rule->ofpacts;
op->ofpacts_len = rule->ofpacts_len;
op->meter_id = rule->meter_id;
+
+ ovs_rwlock_wrlock(&rule->rwlock);
rule->ofpacts = xmemdup(fm->ofpacts, fm->ofpacts_len);
rule->ofpacts_len = fm->ofpacts_len;
+ ovs_rwlock_unlock(&rule->rwlock);
+
rule->meter_id = find_meter(rule->ofpacts, rule->ofpacts_len);
rule->ofproto->ofproto_class->rule_modify_actions(rule,
reset_counters);
group = ofopgroup_create(ofproto, ofconn, request, UINT32_MAX);
LIST_FOR_EACH_SAFE (rule, next, ofproto_node, rules) {
- ovs_rwlock_wrlock(&rule->evict);
+ ovs_rwlock_wrlock(&rule->rwlock);
delete_flow__(rule, group, reason);
}
ofopgroup_submit(group);
connmgr_send_flow_removed(rule->ofproto->connmgr, &fr);
}
-void
-ofproto_rule_update_used(struct rule *rule, long long int used)
-{
- if (used > rule->used) {
- struct eviction_group *evg = rule->eviction_group;
-
- rule->used = used;
- if (evg) {
- heap_change(&evg->rules, &rule->evg_node,
- rule_eviction_priority(rule));
- }
- }
-}
-
/* Sends an OpenFlow "flow removed" message with the given 'reason' (either
* OFPRR_HARD_TIMEOUT or OFPRR_IDLE_TIMEOUT), and then removes 'rule' from its
* ofproto.
reduce_timeout(idle_timeout, &rule->idle_timeout);
reduce_timeout(hard_timeout, &rule->hard_timeout);
ovs_mutex_unlock(&rule->timeout_mutex);
-
- if (!rule->eviction_group) {
- eviction_group_add_rule(rule);
- }
}
\f
static enum ofperr
if (mm.command != OFPMC13_DELETE) {
/* Fails also when meters are not implemented by the provider. */
- if (!meter_id || meter_id > ofproto->meter_features.max_meters) {
+ if (meter_id == 0 || meter_id > OFPM13_MAX) {
error = OFPERR_OFPMMFC_INVALID_METER;
goto exit_free_bands;
+ } else if (meter_id > ofproto->meter_features.max_meters) {
+ error = OFPERR_OFPMMFC_OUT_OF_METERS;
+ goto exit_free_bands;
}
if (mm.meter.n_bands > ofproto->meter_features.max_bands) {
error = OFPERR_OFPMMFC_OUT_OF_BANDS;
}
}
} else {
- ovs_rwlock_wrlock(&rule->evict);
+ ovs_rwlock_wrlock(&rule->rwlock);
oftable_remove_rule(rule);
- ofproto_rule_destroy__(rule);
+ ofproto_rule_destroy(rule);
}
break;
case OFOPERATION_DELETE:
ovs_assert(!op->error);
- ofproto_rule_destroy__(rule);
+ ofproto_rule_destroy(rule);
op->rule = NULL;
break;
ovs_mutex_unlock(&rule->timeout_mutex);
if (op->ofpacts) {
free(rule->ofpacts);
+
+ ovs_rwlock_wrlock(&rule->rwlock);
rule->ofpacts = op->ofpacts;
rule->ofpacts_len = op->ofpacts_len;
+ ovs_rwlock_unlock(&rule->rwlock);
+
op->ofpacts = NULL;
op->ofpacts_len = 0;
}
struct rule *rule;
HEAP_FOR_EACH (rule, evg_node, &evg->rules) {
- if (!ovs_rwlock_trywrlock(&rule->evict)) {
+ if (!ovs_rwlock_trywrlock(&rule->rwlock)) {
*rulep = rule;
return true;
}
}
if (rule->pending) {
- ovs_rwlock_unlock(&rule->evict);
+ ovs_rwlock_unlock(&rule->rwlock);
break;
}
static void
oftable_remove_rule__(struct ofproto *ofproto, struct classifier *cls,
struct rule *rule)
- OVS_REQ_WRLOCK(cls->rwlock) OVS_RELEASES(rule->evict)
+ OVS_REQ_WRLOCK(cls->rwlock) OVS_RELEASES(rule->rwlock)
{
classifier_remove(cls, &rule->cr);
- if (rule->meter_id) {
- list_remove(&rule->meter_list_node);
- }
cookies_remove(ofproto, rule);
eviction_group_remove_rule(rule);
ovs_mutex_lock(&ofproto->expirable_mutex);
ovs_mutex_unlock(&ofproto->expirable_mutex);
if (!list_is_empty(&rule->meter_list_node)) {
list_remove(&rule->meter_list_node);
+ list_init(&rule->meter_list_node);
}
- ovs_rwlock_unlock(&rule->evict);
+ ovs_rwlock_unlock(&rule->rwlock);
}
static void
projects / cascardo / ovs.git / blobdiff