/*
- * Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
+ * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
* Copyright (c) 2010 Jean Tourrilhes - HP-Labs.
*
* Licensed under the Apache License, Version 2.0 (the "License");
}
void
-ofproto_set_threads(size_t n_handlers_, size_t n_revalidators_)
+ofproto_set_threads(int n_handlers_, int n_revalidators_)
{
int threads = MAX(count_cpu_cores(), 2);
- n_revalidators = n_revalidators_;
- n_handlers = n_handlers_;
+ n_revalidators = MAX(n_revalidators_, 0);
+ n_handlers = MAX(n_handlers_, 0);
if (!n_revalidators) {
n_revalidators = n_handlers
}
table->max_flows = s->max_flows;
- ovs_rwlock_wrlock(&table->cls.rwlock);
+ fat_rwlock_wrlock(&table->cls.rwlock);
if (classifier_count(&table->cls) > table->max_flows
&& table->eviction_fields) {
/* 'table' contains more flows than allowed. We might not be able to
classifier_set_prefix_fields(&table->cls,
s->prefix_fields, s->n_prefix_fields);
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
}
\f
bool
ofopgroup_submit(group);
}
-/* Deletes 'rule' from 'cls' within 'ofproto'.
+/* Deletes 'rule' from 'ofproto'.
*
* Within an ofproto implementation, this function allows an ofproto
* implementation to destroy any rules that remain when its ->destruct()
continue;
}
- ovs_rwlock_rdlock(&table->cls.rwlock);
+ fat_rwlock_rdlock(&table->cls.rwlock);
cls_cursor_init(&cursor, &table->cls, NULL);
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, cr, &cursor) {
if (!rule->pending) {
ofproto_rule_delete__(ofproto, rule, OFPRR_DELETE);
heap_rebuild(&evg->rules);
}
- ovs_rwlock_rdlock(&table->cls.rwlock);
+ fat_rwlock_rdlock(&table->cls.rwlock);
cls_cursor_init(&cursor, &table->cls, NULL);
CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
if (!rule->eviction_group
eviction_group_add_rule(rule);
}
}
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
ovs_mutex_unlock(&ofproto_mutex);
}
}
n_rules = 0;
OFPROTO_FOR_EACH_TABLE (table, ofproto) {
- ovs_rwlock_rdlock(&table->cls.rwlock);
+ fat_rwlock_rdlock(&table->cls.rwlock);
n_rules += classifier_count(&table->cls);
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
}
simap_increase(usage, "rules", n_rules);
/* First do a cheap check whether the rule we're looking for already exists
* with the actions that we want. If it does, then we're done. */
- ovs_rwlock_rdlock(&ofproto->tables[0].cls.rwlock);
+ fat_rwlock_rdlock(&ofproto->tables[0].cls.rwlock);
rule = rule_from_cls_rule(classifier_find_match_exactly(
&ofproto->tables[0].cls, match, priority));
if (rule) {
} else {
must_add = true;
}
- ovs_rwlock_unlock(&ofproto->tables[0].cls.rwlock);
+ fat_rwlock_unlock(&ofproto->tables[0].cls.rwlock);
/* If there's no such rule or the rule doesn't have the actions we want,
* fall back to a executing a full flow mod. We can't optimize this at
/* First do a cheap check whether the rule we're looking for has already
* been deleted. If so, then we're done. */
- ovs_rwlock_rdlock(&cls->rwlock);
+ fat_rwlock_rdlock(&cls->rwlock);
rule = rule_from_cls_rule(classifier_find_match_exactly(cls, target,
priority));
- ovs_rwlock_unlock(&cls->rwlock);
+ fat_rwlock_unlock(&cls->rwlock);
if (!rule) {
return true;
}
ofproto_rule_ref(struct rule *rule)
{
if (rule) {
- unsigned int orig;
-
- atomic_add(&rule->ref_count, 1, &orig);
- ovs_assert(orig != 0);
+ ovs_refcount_ref(&rule->ref_count);
}
}
void
ofproto_rule_unref(struct rule *rule)
{
- if (rule) {
- unsigned int orig;
-
- atomic_sub(&rule->ref_count, 1, &orig);
- if (orig == 1) {
- rule->ofproto->ofproto_class->rule_destruct(rule);
- ofproto_rule_destroy__(rule);
- } else {
- ovs_assert(orig != 0);
- }
+ if (rule && ovs_refcount_unref(&rule->ref_count) == 1) {
+ rule->ofproto->ofproto_class->rule_destruct(rule);
+ ofproto_rule_destroy__(rule);
}
}
cls_rule_destroy(CONST_CAST(struct cls_rule *, &rule->cr));
rule_actions_unref(rule->actions);
ovs_mutex_destroy(&rule->mutex);
+ ovs_refcount_destroy(&rule->ref_count);
rule->ofproto->ofproto_class->rule_dealloc(rule);
}
struct rule_actions *actions;
actions = xmalloc(sizeof *actions);
- atomic_init(&actions->ref_count, 1);
+ ovs_refcount_init(&actions->ref_count);
actions->ofpacts = xmemdup(ofpacts, ofpacts_len);
actions->ofpacts_len = ofpacts_len;
actions->provider_meter_id
rule_actions_ref(struct rule_actions *actions)
{
if (actions) {
- unsigned int orig;
-
- atomic_add(&actions->ref_count, 1, &orig);
- ovs_assert(orig != 0);
+ ovs_refcount_ref(&actions->ref_count);
}
}
void
rule_actions_unref(struct rule_actions *actions)
{
- if (actions) {
- unsigned int orig;
-
- atomic_sub(&actions->ref_count, 1, &orig);
- if (orig == 1) {
- free(actions->ofpacts);
- free(actions);
- } else {
- ovs_assert(orig != 0);
- }
+ if (actions && ovs_refcount_unref(&actions->ref_count) == 1) {
+ ovs_refcount_destroy(&actions->ref_count);
+ free(actions->ofpacts);
+ free(actions);
}
}
ots[i].instructions = htonl(OFPIT11_ALL);
ots[i].config = htonl(OFPTC11_TABLE_MISS_MASK);
ots[i].max_entries = htonl(1000000); /* An arbitrary big number. */
- ovs_rwlock_rdlock(&p->tables[i].cls.rwlock);
+ fat_rwlock_rdlock(&p->tables[i].cls.rwlock);
ots[i].active_count = htonl(classifier_count(&p->tables[i].cls));
- ovs_rwlock_unlock(&p->tables[i].cls.rwlock);
+ fat_rwlock_unlock(&p->tables[i].cls.rwlock);
}
p->ofproto_class->get_tables(p, ots);
}
/* Checks whether 'table_id' is 0xff or a valid table ID in 'ofproto'. Returns
- * 0 if 'table_id' is OK, otherwise an OpenFlow error code. */
-static enum ofperr
+ * true if 'table_id' is OK, false otherwise. */
+static bool
check_table_id(const struct ofproto *ofproto, uint8_t table_id)
{
- return (table_id == 0xff || table_id < ofproto->n_tables
- ? 0
- : OFPERR_OFPBRC_BAD_TABLE_ID);
-
+ return table_id == OFPTT_ALL || table_id < ofproto->n_tables;
}
static struct oftable *
OVS_REQUIRES(ofproto_mutex)
{
struct oftable *table;
- enum ofperr error;
+ enum ofperr error = 0;
rule_collection_init(rules);
- error = check_table_id(ofproto, criteria->table_id);
- if (error) {
+ if (!check_table_id(ofproto, criteria->table_id)) {
+ error = OFPERR_OFPBRC_BAD_TABLE_ID;
goto exit;
}
struct cls_cursor cursor;
struct rule *rule;
- ovs_rwlock_rdlock(&table->cls.rwlock);
+ fat_rwlock_rdlock(&table->cls.rwlock);
cls_cursor_init(&cursor, &table->cls, &criteria->cr);
CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
error = collect_rule(rule, criteria, rules);
break;
}
}
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
}
}
OVS_REQUIRES(ofproto_mutex)
{
struct oftable *table;
- int error;
+ int error = 0;
rule_collection_init(rules);
- error = check_table_id(ofproto, criteria->table_id);
- if (error) {
+ if (!check_table_id(ofproto, criteria->table_id)) {
+ error = OFPERR_OFPBRC_BAD_TABLE_ID;
goto exit;
}
FOR_EACH_MATCHING_TABLE (table, criteria->table_id, ofproto) {
struct rule *rule;
- ovs_rwlock_rdlock(&table->cls.rwlock);
+ fat_rwlock_rdlock(&table->cls.rwlock);
rule = rule_from_cls_rule(classifier_find_rule_exactly(
&table->cls, &criteria->cr));
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
if (rule) {
error = collect_rule(rule, criteria, rules);
if (error) {
struct cls_cursor cursor;
struct rule *rule;
- ovs_rwlock_rdlock(&table->cls.rwlock);
+ fat_rwlock_rdlock(&table->cls.rwlock);
cls_cursor_init(&cursor, &table->cls, NULL);
CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
flow_stats_ds(rule, results);
}
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
}
}
struct cls_rule cr;
struct rule *rule;
uint8_t table_id;
- int error;
+ int error = 0;
- error = check_table_id(ofproto, fm->table_id);
- if (error) {
+ if (!check_table_id(ofproto, fm->table_id)) {
+ error = OFPERR_OFPBRC_BAD_TABLE_ID;
return error;
}
cls_rule_init(&cr, &fm->match, fm->priority);
/* Transform "add" into "modify" if there's an existing identical flow. */
- ovs_rwlock_rdlock(&table->cls.rwlock);
+ fat_rwlock_rdlock(&table->cls.rwlock);
rule = rule_from_cls_rule(classifier_find_rule_exactly(&table->cls, &cr));
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
if (rule) {
cls_rule_destroy(&cr);
if (!rule_is_modifiable(rule)) {
if (fm->flags & OFPUTIL_FF_CHECK_OVERLAP) {
bool overlaps;
- ovs_rwlock_rdlock(&table->cls.rwlock);
+ fat_rwlock_rdlock(&table->cls.rwlock);
overlaps = classifier_rule_overlaps(&table->cls, &cr);
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
if (overlaps) {
cls_rule_destroy(&cr);
/* Initialize base state. */
*CONST_CAST(struct ofproto **, &rule->ofproto) = ofproto;
cls_rule_move(CONST_CAST(struct cls_rule *, &rule->cr), &cr);
- atomic_init(&rule->ref_count, 1);
+ ovs_refcount_init(&rule->ref_count);
rule->pending = NULL;
rule->flow_cookie = fm->new_cookie;
rule->created = rule->modified = rule->used = time_msec();
struct cls_cursor cursor;
struct rule *rule;
- ovs_rwlock_rdlock(&table->cls.rwlock);
+ fat_rwlock_rdlock(&table->cls.rwlock);
cls_cursor_init(&cursor, &table->cls, &target);
CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
ovs_assert(!rule->pending); /* XXX */
ofproto_collect_ofmonitor_refresh_rule(m, rule, seqno, rules);
}
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
}
HMAP_FOR_EACH (op, hmap_node, &ofproto->deletions) {
static void
oftable_destroy(struct oftable *table)
{
- ovs_rwlock_rdlock(&table->cls.rwlock);
+ fat_rwlock_rdlock(&table->cls.rwlock);
ovs_assert(classifier_is_empty(&table->cls));
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
oftable_disable_eviction(table);
classifier_destroy(&table->cls);
free(table->name);
+ atomic_destroy(&table->config);
}
/* Changes the name of 'table' to 'name'. If 'name' is NULL or the empty
hmap_init(&table->eviction_groups_by_id);
heap_init(&table->eviction_groups_by_size);
- ovs_rwlock_rdlock(&table->cls.rwlock);
+ fat_rwlock_rdlock(&table->cls.rwlock);
cls_cursor_init(&cursor, &table->cls, NULL);
CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
eviction_group_add_rule(rule);
}
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
}
/* Removes 'rule' from the oftable that contains it. */
{
struct classifier *cls = &ofproto->tables[rule->table_id].cls;
- ovs_rwlock_wrlock(&cls->rwlock);
+ fat_rwlock_wrlock(&cls->rwlock);
classifier_remove(cls, CONST_CAST(struct cls_rule *, &rule->cr));
- ovs_rwlock_unlock(&cls->rwlock);
+ fat_rwlock_unlock(&cls->rwlock);
cookies_remove(ofproto, rule);
struct meter *meter = ofproto->meters[meter_id];
list_insert(&meter->rules, &rule->meter_list_node);
}
- ovs_rwlock_wrlock(&table->cls.rwlock);
+ fat_rwlock_wrlock(&table->cls.rwlock);
classifier_insert(&table->cls, CONST_CAST(struct cls_rule *, &rule->cr));
- ovs_rwlock_unlock(&table->cls.rwlock);
+ fat_rwlock_unlock(&table->cls.rwlock);
eviction_group_add_rule(rule);
}
\f
OFPROTO_FOR_EACH_TABLE (oftable, ofproto) {
const struct cls_subtable *table;
- ovs_rwlock_rdlock(&oftable->cls.rwlock);
+ fat_rwlock_rdlock(&oftable->cls.rwlock);
HMAP_FOR_EACH (table, hmap_node, &oftable->cls.subtables) {
if (minimask_get_vid_mask(&table->mask) == VLAN_VID_MASK) {
const struct cls_rule *rule;
}
}
}
- ovs_rwlock_unlock(&oftable->cls.rwlock);
+ fat_rwlock_unlock(&oftable->cls.rwlock);
}
}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff