/* OFOPERATION_MODIFY, OFOPERATION_REPLACE: The old actions, if the actions
* are changing. */
- struct ofpact *ofpacts;
- size_t ofpacts_len;
- uint32_t meter_id;
+ struct rule_actions *actions;
/* OFOPERATION_DELETE. */
enum ofp_flow_removed_reason reason; /* Reason flow was removed. */
- ovs_be64 flow_cookie; /* Rule's old flow cookie. */
- uint16_t idle_timeout; /* Rule's old idle timeout. */
- uint16_t hard_timeout; /* Rule's old hard timeout. */
- bool send_flow_removed; /* Rule's old 'send_flow_removed'. */
- enum ofperr error; /* 0 if no error. */
+ ovs_be64 flow_cookie; /* Rule's old flow cookie. */
+ uint16_t idle_timeout; /* Rule's old idle timeout. */
+ uint16_t hard_timeout; /* Rule's old hard timeout. */
+ enum ofputil_flow_mod_flags flags; /* Rule's old flags. */
+ enum ofperr error; /* 0 if no error. */
};
static struct ofoperation *ofoperation_create(struct ofopgroup *,
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->mutex);
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->mutex);
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)->mutex);
static void ofproto_evict(struct ofproto *);
static uint32_t rule_eviction_priority(struct rule *);
static void eviction_group_add_rule(struct rule *);
static void eviction_group_remove_rule(struct rule *);
+/* Criteria that flow_mod and other operations use for selecting rules on
+ * which to operate. */
+struct rule_criteria {
+ /* An OpenFlow table or 255 for all tables. */
+ uint8_t table_id;
+
+ /* OpenFlow matching criteria. Interpreted different in "loose" way by
+ * collect_rules_loose() and "strict" way by collect_rules_strict(), as
+ * defined in the OpenFlow spec. */
+ struct cls_rule cr;
+
+ /* Matching criteria for the OpenFlow cookie. Consider a bit B in a rule's
+ * cookie and the corresponding bits C in 'cookie' and M in 'cookie_mask'.
+ * The rule will not be selected if M is 1 and B != C. */
+ ovs_be64 cookie;
+ ovs_be64 cookie_mask;
+
+ /* Selection based on actions within a rule:
+ *
+ * If out_port != OFPP_ANY, selects only rules that output to out_port.
+ * If out_group != OFPG_ALL, select only rules that output to out_group. */
+ ofp_port_t out_port;
+ uint32_t out_group;
+};
+
+static void rule_criteria_init(struct rule_criteria *, uint8_t table_id,
+ const struct match *match,
+ unsigned int priority,
+ ovs_be64 cookie, ovs_be64 cookie_mask,
+ ofp_port_t out_port, uint32_t out_group);
+static void rule_criteria_destroy(struct rule_criteria *);
+
+/* A packet that needs to be passed to rule_execute(). */
+struct rule_execute {
+ struct list list_node; /* In struct ofproto's "rule_executes" list. */
+ struct rule *rule; /* Owns a reference to the rule. */
+ ofp_port_t in_port;
+ struct ofpbuf *packet; /* Owns the packet. */
+};
+
+static void run_rule_executes(struct ofproto *);
+static void destroy_rule_executes(struct ofproto *);
+
/* ofport. */
static void ofport_destroy__(struct ofport *);
static void ofport_destroy(struct ofport *);
const struct ofp_header *);
static enum ofperr modify_flows__(struct ofproto *, struct ofconn *,
struct ofputil_flow_mod *,
- const struct ofp_header *, struct list *);
+ const struct ofp_header *,
+ const struct rule_collection *);
static void delete_flow__(struct rule *rule, struct ofopgroup *,
enum ofp_flow_removed_reason)
- OVS_RELEASES(rule->evict);
+ OVS_RELEASES(rule->mutex);
static enum ofperr add_group(struct ofproto *, struct ofputil_group_mod *);
static bool handle_openflow(struct ofconn *, const struct ofpbuf *);
static enum ofperr handle_flow_mod__(struct ofproto *, struct ofconn *,
static size_t n_ofproto_classes;
static size_t allocated_ofproto_classes;
+struct ovs_mutex ofproto_mutex;
+
unsigned flow_eviction_threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT;
unsigned n_handler_threads;
enum ofproto_flow_miss_model flow_miss_model = OFPROTO_HANDLE_MISS_AUTO;
struct shash_node *node;
size_t i;
+ ovs_mutex_init_recursive(&ofproto_mutex);
+
ofproto_class_register(&ofproto_dpif_class);
/* Make a local copy, since we don't own 'iface_hints' elements. */
}
/* Initialize. */
+ ovs_mutex_lock(&ofproto_mutex);
memset(ofproto, 0, sizeof *ofproto);
ofproto->ofproto_class = class;
ofproto->name = xstrdup(datapath_name);
ofproto->n_tables = 0;
hindex_init(&ofproto->cookies);
list_init(&ofproto->expirable);
- ovs_mutex_init_recursive(&ofproto->expirable_mutex);
ofproto->connmgr = connmgr_create(ofproto, datapath_name, datapath_name);
ofproto->state = S_OPENFLOW;
list_init(&ofproto->pending);
ofproto->n_pending = 0;
hmap_init(&ofproto->deletions);
+ guarded_list_init(&ofproto->rule_executes);
ofproto->n_add = ofproto->n_delete = ofproto->n_modify = 0;
ofproto->first_op = ofproto->last_op = LLONG_MIN;
ofproto->next_op_report = LLONG_MAX;
ofproto->min_mtu = INT_MAX;
ovs_rwlock_init(&ofproto->groups_rwlock);
hmap_init(&ofproto->groups);
+ ovs_mutex_unlock(&ofproto_mutex);
error = ofproto->ofproto_class->construct(ofproto);
if (error) {
}
/* 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;
}
}
/* Deletes 'rule' from 'cls' within 'ofproto'.
*
+ * Within an ofproto implementation, this function allows an ofproto
+ * implementation to destroy any rules that remain when its ->destruct()
+ * function is called. This function is not suitable for use elsewhere in an
+ * ofproto implementation.
+ *
+ * This function is also used internally in ofproto.c.
+ *
+ * This function implements steps 4.4 and 4.5 in the section titled "Rule Life
+ * Cycle" in ofproto-provider.h.
+
* The 'cls' argument is redundant (it is &ofproto->tables[rule->table_id].cls)
* but it allows Clang to do better checking. */
-static void
-ofproto_delete_rule(struct ofproto *ofproto, struct classifier *cls,
+void
+ofproto_rule_delete(struct ofproto *ofproto, struct classifier *cls,
struct rule *rule)
OVS_REQ_WRLOCK(cls->rwlock)
{
group = ofopgroup_create_unattached(ofproto);
ofoperation_create(group, rule, OFOPERATION_DELETE, OFPRR_DELETE);
- ovs_rwlock_wrlock(&rule->evict);
+ ovs_mutex_lock(&rule->mutex);
oftable_remove_rule__(ofproto, cls, rule);
ofproto->ofproto_class->rule_delete(rule);
ofopgroup_submit(group);
cls_cursor_init(&cursor, &table->cls, NULL);
CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, cr, &cursor) {
if (!rule->pending) {
- ofproto_delete_rule(ofproto, &table->cls, rule);
+ ofproto_rule_delete(ofproto, &table->cls, rule);
}
}
ovs_rwlock_unlock(&table->cls.rwlock);
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);
- }
+ destroy_rule_executes(ofproto);
+ guarded_list_destroy(&ofproto->rule_executes);
delete_group(ofproto, OFPG_ALL);
ovs_rwlock_destroy(&ofproto->groups_rwlock);
free(ofproto->vlan_bitmap);
- ovs_mutex_destroy(&ofproto->expirable_mutex);
ofproto->ofproto_class->dealloc(ofproto);
}
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);
}
}
+static bool
+any_pending_ops(const struct ofproto *p)
+{
+ return !list_is_empty(&p->pending);
+}
+
int
ofproto_run(struct ofproto *p)
{
VLOG_ERR_RL(&rl, "%s: run failed (%s)", p->name, ovs_strerror(error));
}
+ run_rule_executes(p);
+
/* Restore the eviction group heap invariant occasionally. */
if (p->eviction_group_timer < time_msec()) {
size_t i;
struct oftable *table = &p->tables[i];
struct eviction_group *evg;
struct cls_cursor cursor;
- struct cls_rule cr;
struct rule *rule;
if (!table->eviction_fields) {
}
ovs_rwlock_rdlock(&table->cls.rwlock);
- cls_cursor_init(&cursor, &table->cls, &cr);
+ cls_cursor_init(&cursor, &table->cls, NULL);
CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
if (!rule->eviction_group
&& (rule->idle_timeout || rule->hard_timeout)) {
case S_EVICT:
connmgr_run(p->connmgr, NULL);
ofproto_evict(p);
- if (list_is_empty(&p->pending) && hmap_is_empty(&p->deletions)) {
+ if (!any_pending_ops(p)) {
p->state = S_OPENFLOW;
}
break;
case S_FLUSH:
connmgr_run(p->connmgr, NULL);
ofproto_flush__(p);
- if (list_is_empty(&p->pending) && hmap_is_empty(&p->deletions)) {
+ if (!any_pending_ops(p)) {
connmgr_flushed(p->connmgr);
p->state = S_OPENFLOW;
}
case S_EVICT:
case S_FLUSH:
connmgr_wait(p->connmgr, false);
- if (list_is_empty(&p->pending) && hmap_is_empty(&p->deletions)) {
+ if (!any_pending_ops(p)) {
poll_immediate_wake();
}
break;
return error;
}
+static int
+simple_flow_mod(struct ofproto *ofproto,
+ const struct match *match, unsigned int priority,
+ const struct ofpact *ofpacts, size_t ofpacts_len,
+ enum ofp_flow_mod_command command)
+{
+ struct ofputil_flow_mod fm;
+
+ memset(&fm, 0, sizeof fm);
+ fm.match = *match;
+ fm.priority = priority;
+ fm.cookie = 0;
+ fm.new_cookie = 0;
+ fm.modify_cookie = false;
+ fm.table_id = 0;
+ fm.command = command;
+ fm.idle_timeout = 0;
+ fm.hard_timeout = 0;
+ fm.buffer_id = UINT32_MAX;
+ fm.out_port = OFPP_ANY;
+ fm.out_group = OFPG_ANY;
+ fm.flags = 0;
+ fm.ofpacts = CONST_CAST(struct ofpact *, ofpacts);
+ fm.ofpacts_len = ofpacts_len;
+ return handle_flow_mod__(ofproto, NULL, &fm, NULL);
+}
+
/* Adds a flow to OpenFlow flow table 0 in 'p' that matches 'cls_rule' and
* performs the 'n_actions' actions in 'actions'. The new flow will not
* timeout.
const struct ofpact *ofpacts, size_t ofpacts_len)
{
const struct rule *rule;
+ bool must_add;
+ /* 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);
rule = rule_from_cls_rule(classifier_find_match_exactly(
&ofproto->tables[0].cls, match, priority));
+ if (rule) {
+ ovs_mutex_lock(&rule->mutex);
+ must_add = !ofpacts_equal(rule->actions->ofpacts,
+ rule->actions->ofpacts_len,
+ ofpacts, ofpacts_len);
+ ovs_mutex_unlock(&rule->mutex);
+ } else {
+ must_add = true;
+ }
ovs_rwlock_unlock(&ofproto->tables[0].cls.rwlock);
- if (!rule || !ofpacts_equal(rule->ofpacts, rule->ofpacts_len,
- ofpacts, ofpacts_len)) {
- struct ofputil_flow_mod fm;
- memset(&fm, 0, sizeof fm);
- fm.match = *match;
- fm.priority = priority;
- fm.buffer_id = UINT32_MAX;
- fm.ofpacts = xmemdup(ofpacts, ofpacts_len);
- fm.ofpacts_len = ofpacts_len;
- add_flow(ofproto, NULL, &fm, NULL);
- free(fm.ofpacts);
+ /* 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
+ * all because we didn't take enough locks above to ensure that the flow
+ * table didn't already change beneath us. */
+ if (must_add) {
+ simple_flow_mod(ofproto, match, priority, ofpacts, ofpacts_len,
+ OFPFC_MODIFY_STRICT);
}
}
struct classifier *cls = &ofproto->tables[0].cls;
struct rule *rule;
+ /* 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);
rule = rule_from_cls_rule(classifier_find_match_exactly(cls, target,
priority));
ovs_rwlock_unlock(&cls->rwlock);
if (!rule) {
- /* No such rule -> success. */
- return true;
- } else if (rule->pending) {
- /* An operation on the rule is already pending -> failure.
- * Caller must retry later if it's important. */
- return false;
- } else {
- /* Initiate deletion -> success. */
- ovs_rwlock_wrlock(&cls->rwlock);
- ofproto_delete_rule(ofproto, cls, rule);
- ovs_rwlock_unlock(&cls->rwlock);
-
return true;
}
+ /* Fall back to a executing a full flow mod. We can't optimize this at all
+ * because we didn't take enough locks above to ensure that the flow table
+ * didn't already change beneath us. */
+ return simple_flow_mod(ofproto, target, priority, NULL, 0,
+ OFPFC_DELETE_STRICT) != OFPROTO_POSTPONE;
}
/* Starts the process of deleting all of the flows from all of ofproto's flow
}
}
\f
+void
+ofproto_rule_ref(struct rule *rule)
+{
+ if (rule) {
+ unsigned int orig;
+
+ atomic_add(&rule->ref_count, 1, &orig);
+ ovs_assert(orig != 0);
+ }
+}
+
+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);
+ }
+ }
+}
+
static void
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);
+ cls_rule_destroy(CONST_CAST(struct cls_rule *, &rule->cr));
+ rule_actions_unref(rule->actions);
+ ovs_mutex_destroy(&rule->mutex);
+ rule->ofproto->ofproto_class->rule_dealloc(rule);
+}
+
+/* Creates and returns a new 'struct rule_actions', with a ref_count of 1,
+ * whose actions are a copy of from the 'ofpacts_len' bytes of 'ofpacts'. */
+struct rule_actions *
+rule_actions_create(const struct ofpact *ofpacts, size_t ofpacts_len)
+{
+ struct rule_actions *actions;
+
+ actions = xmalloc(sizeof *actions);
+ atomic_init(&actions->ref_count, 1);
+ actions->ofpacts = xmemdup(ofpacts, ofpacts_len);
+ actions->ofpacts_len = ofpacts_len;
+ actions->meter_id = ofpacts_get_meter(ofpacts, ofpacts_len);
+ return actions;
+}
+
+/* Increments 'actions''s ref_count. */
+void
+rule_actions_ref(struct rule_actions *actions)
+{
+ if (actions) {
+ unsigned int orig;
+
+ atomic_add(&actions->ref_count, 1, &orig);
+ ovs_assert(orig != 0);
}
}
-/* 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
- * ofproto-provider.h.
- *
- * This function should only be called from an ofproto implementation's
- * ->destruct() function. It is not suitable elsewhere. */
+/* Decrements 'actions''s ref_count and frees 'actions' if the ref_count
+ * reaches 0. */
void
-ofproto_rule_delete(struct ofproto *ofproto, struct classifier *cls,
- struct rule *rule)
- OVS_REQ_WRLOCK(cls->rwlock)
+rule_actions_unref(struct rule_actions *actions)
{
- ofproto_delete_rule(ofproto, cls, rule);
+ if (actions) {
+ unsigned int orig;
+
+ atomic_sub(&actions->ref_count, 1, &orig);
+ if (orig == 1) {
+ free(actions);
+ } else {
+ ovs_assert(orig != 0);
+ }
+ }
}
/* Returns true if 'rule' has an OpenFlow OFPAT_OUTPUT or OFPAT_ENQUEUE action
* that outputs to 'port' (output to OFPP_FLOOD and OFPP_ALL doesn't count). */
-bool
+static bool
ofproto_rule_has_out_port(const struct rule *rule, ofp_port_t port)
{
return (port == OFPP_ANY
- || ofpacts_output_to_port(rule->ofpacts, rule->ofpacts_len, port));
+ || ofpacts_output_to_port(rule->actions->ofpacts,
+ rule->actions->ofpacts_len, port));
}
/* Returns true if 'rule' has group and equals group_id. */
-bool
+static bool
ofproto_rule_has_out_group(const struct rule *rule, uint32_t group_id)
{
return (group_id == OFPG11_ANY
- || ofpacts_output_to_group(rule->ofpacts, rule->ofpacts_len, group_id));
+ || ofpacts_output_to_group(rule->actions->ofpacts,
+ rule->actions->ofpacts_len, group_id));
}
/* Returns true if a rule related to 'op' has an OpenFlow OFPAT_OUTPUT or
case OFOPERATION_MODIFY:
case OFOPERATION_REPLACE:
- return ofpacts_output_to_port(op->ofpacts, op->ofpacts_len, out_port);
+ return ofpacts_output_to_port(op->actions->ofpacts,
+ op->actions->ofpacts_len, out_port);
}
NOT_REACHED();
}
-/* Executes the actions indicated by 'rule' on 'packet' and credits 'rule''s
- * statistics appropriately.
- *
- * 'packet' doesn't necessarily have to match 'rule'. 'rule' will be credited
- * with statistics for 'packet' either way.
- *
- * Takes ownership of 'packet'. */
-static int
-rule_execute(struct rule *rule, ofp_port_t in_port, struct ofpbuf *packet)
+static void
+rule_execute_destroy(struct rule_execute *e)
{
- struct flow flow;
- union flow_in_port in_port_;
+ ofproto_rule_unref(e->rule);
+ list_remove(&e->list_node);
+ free(e);
+}
+
+/* Executes all "rule_execute" operations queued up in ofproto->rule_executes,
+ * by passing them to the ofproto provider. */
+static void
+run_rule_executes(struct ofproto *ofproto)
+{
+ struct rule_execute *e, *next;
+ struct list executes;
+
+ guarded_list_pop_all(&ofproto->rule_executes, &executes);
+ LIST_FOR_EACH_SAFE (e, next, list_node, &executes) {
+ union flow_in_port in_port_;
+ struct flow flow;
+
+ in_port_.ofp_port = e->in_port;
+ flow_extract(e->packet, 0, 0, NULL, &in_port_, &flow);
+ ofproto->ofproto_class->rule_execute(e->rule, &flow, e->packet);
+
+ rule_execute_destroy(e);
+ }
+}
+
+/* Destroys and discards all "rule_execute" operations queued up in
+ * ofproto->rule_executes. */
+static void
+destroy_rule_executes(struct ofproto *ofproto)
+{
+ struct rule_execute *e, *next;
+ struct list executes;
- in_port_.ofp_port = in_port;
- flow_extract(packet, 0, 0, NULL, &in_port_, &flow);
- return rule->ofproto->ofproto_class->rule_execute(rule, &flow, packet);
+ guarded_list_pop_all(&ofproto->rule_executes, &executes);
+ LIST_FOR_EACH_SAFE (e, next, list_node, &executes) {
+ ofpbuf_delete(e->packet);
+ rule_execute_destroy(e);
+ }
}
/* Returns true if 'rule' should be hidden from the controller.
* Rules with priority higher than UINT16_MAX are set up by ofproto itself
* (e.g. by in-band control) and are intentionally hidden from the
* controller. */
-bool
+static bool
ofproto_rule_is_hidden(const struct rule *rule)
{
return rule->cr.priority > UINT16_MAX;
}
}
-/* Finds the OFPACT_METER action, if any, in the 'ofpacts_len' bytes of
- * 'ofpacts'. If found, returns its meter ID; if not, returns 0.
- *
- * This function relies on the order of 'ofpacts' being correct (as checked by
- * ofpacts_verify()). */
-static uint32_t
-find_meter(const struct ofpact ofpacts[], size_t ofpacts_len)
-{
- const struct ofpact *a;
-
- OFPACT_FOR_EACH (a, ofpacts, ofpacts_len) {
- enum ovs_instruction_type inst;
-
- inst = ovs_instruction_type_from_ofpact_type(a->type);
- if (a->type == OFPACT_METER) {
- return ofpact_get_METER(a)->meter_id;
- } else if (inst > OVSINST_OFPIT13_METER) {
- break;
- }
- }
-
- return 0;
-}
-
/* Checks that the 'ofpacts_len' bytes of actions in 'ofpacts' are appropriate
* for a packet with the prerequisites satisfied by 'flow' in table 'table_id'.
* 'flow' may be temporarily modified, but is restored at return.
return error;
}
- mid = find_meter(ofpacts, ofpacts_len);
+ mid = ofpacts_get_meter(ofpacts, ofpacts_len);
if (mid && ofproto_get_provider_meter_id(ofproto, mid) == UINT32_MAX) {
return OFPERR_OFPMMFC_INVALID_METER;
}
static void
cookies_insert(struct ofproto *ofproto, struct rule *rule)
+ OVS_REQUIRES(ofproto_mutex)
{
hindex_insert(&ofproto->cookies, &rule->cookie_node,
hash_cookie(rule->flow_cookie));
static void
cookies_remove(struct ofproto *ofproto, struct rule *rule)
+ OVS_REQUIRES(ofproto_mutex)
{
hindex_remove(&ofproto->cookies, &rule->cookie_node);
}
ovs_be64 new_cookie)
{
if (new_cookie != rule->flow_cookie) {
+ ovs_mutex_lock(&ofproto_mutex);
cookies_remove(ofproto, rule);
+ ovs_mutex_lock(&rule->mutex);
rule->flow_cookie = new_cookie;
+ ovs_mutex_unlock(&rule->mutex);
cookies_insert(ofproto, rule);
+ ovs_mutex_unlock(&ofproto_mutex);
}
}
(TABLE) != NULL; \
(TABLE) = next_matching_table(OFPROTO, TABLE, TABLE_ID))
-/* Searches 'ofproto' for rules in table 'table_id' (or in all tables, if
- * 'table_id' is 0xff) that match 'match' in the "loose" way required for
- * OpenFlow OFPFC_MODIFY and OFPFC_DELETE requests and puts them on list
- * 'rules'.
+/* Initializes 'criteria' in a straightforward way based on the other
+ * parameters.
*
- * If 'out_port' is anything other than OFPP_ANY, then only rules that output
- * to 'out_port' are included.
+ * For "loose" matching, the 'priority' parameter is unimportant and may be
+ * supplied as 0. */
+static void
+rule_criteria_init(struct rule_criteria *criteria, uint8_t table_id,
+ const struct match *match, unsigned int priority,
+ ovs_be64 cookie, ovs_be64 cookie_mask,
+ ofp_port_t out_port, uint32_t out_group)
+{
+ criteria->table_id = table_id;
+ cls_rule_init(&criteria->cr, match, priority);
+ criteria->cookie = cookie;
+ criteria->cookie_mask = cookie_mask;
+ criteria->out_port = out_port;
+ criteria->out_group = out_group;
+}
+
+static void
+rule_criteria_destroy(struct rule_criteria *criteria)
+{
+ cls_rule_destroy(&criteria->cr);
+}
+
+void
+rule_collection_init(struct rule_collection *rules)
+{
+ rules->rules = rules->stub;
+ rules->n = 0;
+ rules->capacity = ARRAY_SIZE(rules->stub);
+}
+
+void
+rule_collection_add(struct rule_collection *rules, struct rule *rule)
+{
+ if (rules->n >= rules->capacity) {
+ size_t old_size, new_size;
+
+ old_size = rules->capacity * sizeof *rules->rules;
+ rules->capacity *= 2;
+ new_size = rules->capacity * sizeof *rules->rules;
+
+ if (rules->rules == rules->stub) {
+ rules->rules = xmalloc(new_size);
+ memcpy(rules->rules, rules->stub, old_size);
+ } else {
+ rules->rules = xrealloc(rules->rules, new_size);
+ }
+ }
+
+ rules->rules[rules->n++] = rule;
+}
+
+void
+rule_collection_destroy(struct rule_collection *rules)
+{
+ if (rules->rules != rules->stub) {
+ free(rules->rules);
+ }
+}
+
+static enum ofperr
+collect_rule(struct rule *rule, const struct rule_criteria *c,
+ struct rule_collection *rules)
+{
+ if (ofproto_rule_is_hidden(rule)) {
+ return 0;
+ } else if (rule->pending) {
+ return OFPROTO_POSTPONE;
+ } else {
+ if ((c->table_id == rule->table_id || c->table_id == 0xff)
+ && ofproto_rule_has_out_port(rule, c->out_port)
+ && ofproto_rule_has_out_group(rule, c->out_group)
+ && !((rule->flow_cookie ^ c->cookie) & c->cookie_mask)) {
+ rule_collection_add(rules, rule);
+ }
+ return 0;
+ }
+}
+
+/* Searches 'ofproto' for rules that match the criteria in 'criteria'. Matches
+ * on classifiers rules are done in the "loose" way required for OpenFlow
+ * OFPFC_MODIFY and OFPFC_DELETE requests. Puts the selected rules on list
+ * 'rules'.
*
* Hidden rules are always omitted.
*
* Returns 0 on success, otherwise an OpenFlow error code. */
static enum ofperr
-collect_rules_loose(struct ofproto *ofproto, uint8_t table_id,
- const struct match *match,
- ovs_be64 cookie, ovs_be64 cookie_mask,
- ofp_port_t out_port, uint32_t out_group,
- struct list *rules)
+collect_rules_loose(struct ofproto *ofproto,
+ const struct rule_criteria *criteria,
+ struct rule_collection *rules)
{
struct oftable *table;
- struct cls_rule cr;
enum ofperr error;
- error = check_table_id(ofproto, table_id);
+ rule_collection_init(rules);
+
+ error = check_table_id(ofproto, criteria->table_id);
if (error) {
- return error;
+ goto exit;
}
- list_init(rules);
- cls_rule_init(&cr, match, 0);
-
- if (cookie_mask == htonll(UINT64_MAX)) {
+ if (criteria->cookie_mask == htonll(UINT64_MAX)) {
struct rule *rule;
- HINDEX_FOR_EACH_WITH_HASH (rule, cookie_node, hash_cookie(cookie),
+ ovs_mutex_lock(&ofproto_mutex);
+ HINDEX_FOR_EACH_WITH_HASH (rule, cookie_node,
+ hash_cookie(criteria->cookie),
&ofproto->cookies) {
- if (table_id != rule->table_id && table_id != 0xff) {
- continue;
- }
- if (ofproto_rule_is_hidden(rule)) {
- continue;
- }
- if (cls_rule_is_loose_match(&rule->cr, &cr.match)) {
- if (rule->pending) {
- error = OFPROTO_POSTPONE;
- goto exit;
- }
- if (rule->flow_cookie == cookie /* Hash collisions possible. */
- && ofproto_rule_has_out_port(rule, out_port)) {
- list_push_back(rules, &rule->ofproto_node);
+ if (cls_rule_is_loose_match(&rule->cr, &criteria->cr.match)) {
+ error = collect_rule(rule, criteria, rules);
+ if (error) {
+ break;
}
}
}
- goto exit;
- }
-
- FOR_EACH_MATCHING_TABLE (table, table_id, ofproto) {
- struct cls_cursor cursor;
- struct rule *rule;
+ ovs_mutex_unlock(&ofproto_mutex);
+ } else {
+ FOR_EACH_MATCHING_TABLE (table, criteria->table_id, ofproto) {
+ struct cls_cursor cursor;
+ struct rule *rule;
- ovs_rwlock_rdlock(&table->cls.rwlock);
- cls_cursor_init(&cursor, &table->cls, &cr);
- CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
- if (rule->pending) {
- ovs_rwlock_unlock(&table->cls.rwlock);
- error = OFPROTO_POSTPONE;
- goto exit;
- }
- if (!ofproto_rule_is_hidden(rule)
- && ofproto_rule_has_out_port(rule, out_port)
- && ofproto_rule_has_out_group(rule, out_group)
- && !((rule->flow_cookie ^ cookie) & cookie_mask)) {
- list_push_back(rules, &rule->ofproto_node);
+ ovs_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);
+ if (error) {
+ break;
+ }
}
+ ovs_rwlock_unlock(&table->cls.rwlock);
}
- ovs_rwlock_unlock(&table->cls.rwlock);
}
exit:
- cls_rule_destroy(&cr);
+ if (error) {
+ rule_collection_destroy(rules);
+ }
return error;
}
-/* Searches 'ofproto' for rules in table 'table_id' (or in all tables, if
- * 'table_id' is 0xff) that match 'match' in the "strict" way required for
- * OpenFlow OFPFC_MODIFY_STRICT and OFPFC_DELETE_STRICT requests and puts them
- * on list 'rules'.
- *
- * If 'out_port' is anything other than OFPP_ANY, then only rules that output
- * to 'out_port' are included.
+/* Searches 'ofproto' for rules that match the criteria in 'criteria'. Matches
+ * on classifiers rules are done in the "strict" way required for OpenFlow
+ * OFPFC_MODIFY_STRICT and OFPFC_DELETE_STRICT requests. Puts the selected
+ * rules on list 'rules'.
*
* Hidden rules are always omitted.
*
* Returns 0 on success, otherwise an OpenFlow error code. */
static enum ofperr
-collect_rules_strict(struct ofproto *ofproto, uint8_t table_id,
- const struct match *match, unsigned int priority,
- ovs_be64 cookie, ovs_be64 cookie_mask,
- ofp_port_t out_port, uint32_t out_group,
- struct list *rules)
+collect_rules_strict(struct ofproto *ofproto,
+ const struct rule_criteria *criteria,
+ struct rule_collection *rules)
{
struct oftable *table;
- struct cls_rule cr;
int error;
- error = check_table_id(ofproto, table_id);
+ rule_collection_init(rules);
+
+ error = check_table_id(ofproto, criteria->table_id);
if (error) {
- return error;
+ goto exit;
}
- list_init(rules);
- cls_rule_init(&cr, match, priority);
-
- if (cookie_mask == htonll(UINT64_MAX)) {
+ if (criteria->cookie_mask == htonll(UINT64_MAX)) {
struct rule *rule;
- HINDEX_FOR_EACH_WITH_HASH (rule, cookie_node, hash_cookie(cookie),
+ ovs_mutex_lock(&ofproto_mutex);
+ HINDEX_FOR_EACH_WITH_HASH (rule, cookie_node,
+ hash_cookie(criteria->cookie),
&ofproto->cookies) {
- if (table_id != rule->table_id && table_id != 0xff) {
- continue;
- }
- if (ofproto_rule_is_hidden(rule)) {
- continue;
- }
- if (cls_rule_equal(&rule->cr, &cr)) {
- if (rule->pending) {
- error = OFPROTO_POSTPONE;
- goto exit;
- }
- if (rule->flow_cookie == cookie /* Hash collisions possible. */
- && ofproto_rule_has_out_port(rule, out_port)) {
- list_push_back(rules, &rule->ofproto_node);
+ if (cls_rule_equal(&rule->cr, &criteria->cr)) {
+ error = collect_rule(rule, criteria, rules);
+ if (error) {
+ break;
}
}
}
- goto exit;
- }
-
- FOR_EACH_MATCHING_TABLE (table, table_id, ofproto) {
- struct rule *rule;
+ ovs_mutex_unlock(&ofproto_mutex);
+ } else {
+ FOR_EACH_MATCHING_TABLE (table, criteria->table_id, ofproto) {
+ struct rule *rule;
- ovs_rwlock_rdlock(&table->cls.rwlock);
- rule = rule_from_cls_rule(classifier_find_rule_exactly(&table->cls,
- &cr));
- ovs_rwlock_unlock(&table->cls.rwlock);
- if (rule) {
- if (rule->pending) {
- error = OFPROTO_POSTPONE;
- goto exit;
- }
- if (!ofproto_rule_is_hidden(rule)
- && ofproto_rule_has_out_port(rule, out_port)
- && ofproto_rule_has_out_group(rule, out_group)
- && !((rule->flow_cookie ^ cookie) & cookie_mask)) {
- list_push_back(rules, &rule->ofproto_node);
+ ovs_rwlock_rdlock(&table->cls.rwlock);
+ rule = rule_from_cls_rule(classifier_find_rule_exactly(
+ &table->cls, &criteria->cr));
+ ovs_rwlock_unlock(&table->cls.rwlock);
+ if (rule) {
+ error = collect_rule(rule, criteria, rules);
+ if (error) {
+ break;
+ }
}
}
}
exit:
- cls_rule_destroy(&cr);
- return 0;
+ if (error) {
+ rule_collection_destroy(rules);
+ }
+ return error;
}
/* Returns 'age_ms' (a duration in milliseconds), converted to seconds and
{
struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
struct ofputil_flow_stats_request fsr;
+ struct rule_criteria criteria;
+ struct rule_collection rules;
struct list replies;
- struct list rules;
- struct rule *rule;
enum ofperr error;
+ size_t i;
error = ofputil_decode_flow_stats_request(&fsr, request);
if (error) {
return error;
}
- error = collect_rules_loose(ofproto, fsr.table_id, &fsr.match,
- fsr.cookie, fsr.cookie_mask,
- fsr.out_port, fsr.out_group, &rules);
+ rule_criteria_init(&criteria, fsr.table_id, &fsr.match, 0, fsr.cookie,
+ fsr.cookie_mask, fsr.out_port, fsr.out_group);
+ error = collect_rules_loose(ofproto, &criteria, &rules);
+ rule_criteria_destroy(&criteria);
if (error) {
return error;
}
ofpmp_init(&replies, request);
- LIST_FOR_EACH (rule, ofproto_node, &rules) {
+ for (i = 0; i < rules.n; i++) {
+ struct rule *rule = rules.rules[i];
long long int now = time_msec();
struct ofputil_flow_stats fs;
fs.hard_age = age_secs(now - rule->modified);
ofproto->ofproto_class->rule_get_stats(rule, &fs.packet_count,
&fs.byte_count);
- fs.ofpacts = rule->ofpacts;
- fs.ofpacts_len = rule->ofpacts_len;
+ fs.ofpacts = rule->actions->ofpacts;
+ fs.ofpacts_len = rule->actions->ofpacts_len;
- ovs_mutex_lock(&rule->timeout_mutex);
+ ovs_mutex_lock(&rule->mutex);
fs.idle_timeout = rule->idle_timeout;
fs.hard_timeout = rule->hard_timeout;
- ovs_mutex_unlock(&rule->timeout_mutex);
+ ovs_mutex_unlock(&rule->mutex);
+
+ fs.flags = rule->flags;
- fs.flags = 0;
- if (rule->send_flow_removed) {
- fs.flags |= OFPUTIL_FF_SEND_FLOW_REM;
- /* FIXME: Implement OFPUTIL_FF_NO_PKT_COUNTS and
- OFPUTIL_FF_NO_BYT_COUNTS. */
- }
ofputil_append_flow_stats_reply(&fs, &replies);
}
+ rule_collection_destroy(&rules);
+
ofconn_send_replies(ofconn, &replies);
return 0;
ds_put_format(results, "n_bytes=%"PRIu64", ", byte_count);
cls_rule_format(&rule->cr, results);
ds_put_char(results, ',');
- ofpacts_format(rule->ofpacts, rule->ofpacts_len, results);
+ ofpacts_format(rule->actions->ofpacts, rule->actions->ofpacts_len,
+ results);
ds_put_cstr(results, "\n");
}
struct ofputil_flow_stats_request request;
struct ofputil_aggregate_stats stats;
bool unknown_packets, unknown_bytes;
+ struct rule_criteria criteria;
+ struct rule_collection rules;
struct ofpbuf *reply;
- struct list rules;
- struct rule *rule;
enum ofperr error;
+ size_t i;
error = ofputil_decode_flow_stats_request(&request, oh);
if (error) {
return error;
}
- error = collect_rules_loose(ofproto, request.table_id, &request.match,
- request.cookie, request.cookie_mask,
- request.out_port, request.out_group, &rules);
+ rule_criteria_init(&criteria, request.table_id, &request.match, 0,
+ request.cookie, request.cookie_mask,
+ request.out_port, request.out_group);
+ error = collect_rules_loose(ofproto, &criteria, &rules);
+ rule_criteria_destroy(&criteria);
if (error) {
return error;
}
memset(&stats, 0, sizeof stats);
unknown_packets = unknown_bytes = false;
- LIST_FOR_EACH (rule, ofproto_node, &rules) {
+ for (i = 0; i < rules.n; i++) {
+ struct rule *rule = rules.rules[i];
uint64_t packet_count;
uint64_t byte_count;
stats.byte_count = UINT64_MAX;
}
+ rule_collection_destroy(&rules);
+
reply = ofputil_encode_aggregate_stats_reply(&stats, oh);
ofconn_send_reply(ofconn, reply);
return false;
}
-static enum ofperr
-evict_rule_from_table(struct ofproto *ofproto, struct oftable *table)
+static bool
+should_evict_a_rule(struct oftable *table, unsigned int extra_space)
{
- struct rule *rule;
- size_t n_rules;
+ size_t count;
ovs_rwlock_rdlock(&table->cls.rwlock);
- n_rules = classifier_count(&table->cls);
+ count = classifier_count(&table->cls);
ovs_rwlock_unlock(&table->cls.rwlock);
- if (n_rules < table->max_flows) {
- return 0;
- } else if (!choose_rule_to_evict(table, &rule)) {
- return OFPERR_OFPFMFC_TABLE_FULL;
- } else if (rule->pending) {
- ovs_rwlock_unlock(&rule->evict);
- return OFPROTO_POSTPONE;
- } else {
- struct ofopgroup *group;
+ return count + extra_space > table->max_flows;
+}
- group = ofopgroup_create_unattached(ofproto);
- delete_flow__(rule, group, OFPRR_EVICTION);
- ofopgroup_submit(group);
+static enum ofperr
+evict_rules_from_table(struct ofproto *ofproto, struct oftable *table,
+ unsigned int extra_space)
+{
+ while (should_evict_a_rule(table, extra_space)) {
+ struct rule *rule;
- return 0;
+ if (!choose_rule_to_evict(table, &rule)) {
+ return OFPERR_OFPFMFC_TABLE_FULL;
+ } else if (rule->pending) {
+ ovs_mutex_unlock(&rule->mutex);
+ return OFPROTO_POSTPONE;
+ } else {
+ struct ofopgroup *group = ofopgroup_create_unattached(ofproto);
+ ofoperation_create(group, rule,
+ OFOPERATION_DELETE, OFPRR_EVICTION);
+ oftable_remove_rule(rule);
+ ofproto->ofproto_class->rule_delete(rule);
+ }
}
+
+ return 0;
}
/* Implements OFPFC_ADD and the cases for OFPFC_MODIFY and OFPFC_MODIFY_STRICT
* error code on failure, or OFPROTO_POSTPONE if the operation cannot be
* initiated now but may be retried later.
*
- * Upon successful return, takes ownership of 'fm->ofpacts'. On failure,
- * ownership remains with the caller.
+ * The caller retains ownership of 'fm->ofpacts'.
*
* 'ofconn' is used to retrieve the packet buffer specified in ofm->buffer_id,
* if any. */
} else if (rule->pending) {
return OFPROTO_POSTPONE;
} else {
- struct list rules;
+ struct rule_collection rules;
- list_init(&rules);
- list_push_back(&rules, &rule->ofproto_node);
+ rule_collection_init(&rules);
+ rule_collection_add(&rules, rule);
fm->modify_cookie = true;
- return modify_flows__(ofproto, ofconn, fm, request, &rules);
+ error = modify_flows__(ofproto, ofconn, fm, request, &rules);
+ rule_collection_destroy(&rules);
+
+ return error;
}
}
}
/* If necessary, evict an existing rule to clear out space. */
- error = evict_rule_from_table(ofproto, table);
+ error = evict_rules_from_table(ofproto, table, 1);
if (error) {
cls_rule_destroy(&cr);
return error;
}
/* Initialize base state. */
- rule->ofproto = ofproto;
- cls_rule_move(&rule->cr, &cr);
+ *CONST_CAST(struct ofproto **, &rule->ofproto) = ofproto;
+ cls_rule_move(CONST_CAST(struct cls_rule *, &rule->cr), &cr);
+ atomic_init(&rule->ref_count, 1);
rule->pending = NULL;
rule->flow_cookie = fm->new_cookie;
rule->created = rule->modified = rule->used = time_msec();
- ovs_mutex_init(&rule->timeout_mutex);
- ovs_mutex_lock(&rule->timeout_mutex);
+ ovs_mutex_init(&rule->mutex);
+ ovs_mutex_lock(&rule->mutex);
rule->idle_timeout = fm->idle_timeout;
rule->hard_timeout = fm->hard_timeout;
- ovs_mutex_unlock(&rule->timeout_mutex);
+ ovs_mutex_unlock(&rule->mutex);
- rule->table_id = table - ofproto->tables;
- rule->send_flow_removed = (fm->flags & OFPUTIL_FF_SEND_FLOW_REM) != 0;
- rule->ofpacts = xmemdup(fm->ofpacts, fm->ofpacts_len);
- rule->ofpacts_len = fm->ofpacts_len;
- rule->meter_id = find_meter(rule->ofpacts, rule->ofpacts_len);
+ *CONST_CAST(uint8_t *, &rule->table_id) = table - ofproto->tables;
+ rule->flags = fm->flags & OFPUTIL_FF_STATE;
+ rule->actions = rule_actions_create(fm->ofpacts, fm->ofpacts_len);
list_init(&rule->meter_list_node);
rule->eviction_group = NULL;
list_init(&rule->expirable);
rule->monitor_flags = 0;
rule->add_seqno = 0;
rule->modify_seqno = 0;
- ovs_rwlock_init(&rule->evict);
/* Construct rule, initializing derived state. */
error = ofproto->ofproto_class->rule_construct(rule);
static enum ofperr
modify_flows__(struct ofproto *ofproto, struct ofconn *ofconn,
struct ofputil_flow_mod *fm, const struct ofp_header *request,
- struct list *rules)
+ const struct rule_collection *rules)
{
enum ofoperation_type type;
struct ofopgroup *group;
- struct rule *rule;
enum ofperr error;
+ size_t i;
type = fm->command == OFPFC_ADD ? OFOPERATION_REPLACE : OFOPERATION_MODIFY;
group = ofopgroup_create(ofproto, ofconn, request, fm->buffer_id);
error = OFPERR_OFPBRC_EPERM;
- LIST_FOR_EACH (rule, ofproto_node, rules) {
+ for (i = 0; i < rules->n; i++) {
+ struct rule *rule = rules->rules[i];
struct ofoperation *op;
bool actions_changed;
bool reset_counters;
}
actions_changed = !ofpacts_equal(fm->ofpacts, fm->ofpacts_len,
- rule->ofpacts, rule->ofpacts_len);
+ rule->actions->ofpacts,
+ rule->actions->ofpacts_len);
op = ofoperation_create(group, rule, type, 0);
ofproto_rule_change_cookie(ofproto, rule, fm->new_cookie);
}
if (type == OFOPERATION_REPLACE) {
- ovs_mutex_lock(&rule->timeout_mutex);
+ ovs_mutex_lock(&rule->mutex);
rule->idle_timeout = fm->idle_timeout;
rule->hard_timeout = fm->hard_timeout;
- ovs_mutex_unlock(&rule->timeout_mutex);
-
- rule->send_flow_removed = (fm->flags
- & OFPUTIL_FF_SEND_FLOW_REM) != 0;
+ ovs_mutex_unlock(&rule->mutex);
+ rule->flags = fm->flags & OFPUTIL_FF_STATE;
if (fm->idle_timeout || fm->hard_timeout) {
if (!rule->eviction_group) {
eviction_group_add_rule(rule);
reset_counters = (fm->flags & OFPUTIL_FF_RESET_COUNTS) != 0;
if (actions_changed || reset_counters) {
- op->ofpacts = rule->ofpacts;
- op->ofpacts_len = rule->ofpacts_len;
- op->meter_id = rule->meter_id;
- rule->ofpacts = xmemdup(fm->ofpacts, fm->ofpacts_len);
- rule->ofpacts_len = fm->ofpacts_len;
- rule->meter_id = find_meter(rule->ofpacts, rule->ofpacts_len);
+ struct rule_actions *new_actions;
+
+ op->actions = rule->actions;
+ new_actions = rule_actions_create(fm->ofpacts, fm->ofpacts_len);
+
+ ovs_mutex_lock(&rule->mutex);
+ rule->actions = new_actions;
+ ovs_mutex_unlock(&rule->mutex);
+
rule->ofproto->ofproto_class->rule_modify_actions(rule,
reset_counters);
} else {
struct ofputil_flow_mod *fm,
const struct ofp_header *request)
{
- struct list rules;
+ struct rule_criteria criteria;
+ struct rule_collection rules;
int error;
- error = collect_rules_loose(ofproto, fm->table_id, &fm->match,
- fm->cookie, fm->cookie_mask,
- OFPP_ANY, OFPG11_ANY, &rules);
- if (error) {
- return error;
- } else if (list_is_empty(&rules)) {
- return modify_flows_add(ofproto, ofconn, fm, request);
- } else {
- return modify_flows__(ofproto, ofconn, fm, request, &rules);
+ rule_criteria_init(&criteria, fm->table_id, &fm->match, 0,
+ fm->cookie, fm->cookie_mask, OFPP_ANY, OFPG11_ANY);
+ error = collect_rules_loose(ofproto, &criteria, &rules);
+ rule_criteria_destroy(&criteria);
+
+ if (!error) {
+ error = (rules.n > 0
+ ? modify_flows__(ofproto, ofconn, fm, request, &rules)
+ : modify_flows_add(ofproto, ofconn, fm, request));
}
+
+ rule_collection_destroy(&rules);
+
+ return error;
}
/* Implements OFPFC_MODIFY_STRICT. Returns 0 on success or an OpenFlow error
struct ofputil_flow_mod *fm,
const struct ofp_header *request)
{
- struct list rules;
+ struct rule_criteria criteria;
+ struct rule_collection rules;
int error;
- error = collect_rules_strict(ofproto, fm->table_id, &fm->match,
- fm->priority, fm->cookie, fm->cookie_mask,
- OFPP_ANY, OFPG11_ANY, &rules);
- if (error) {
- return error;
- } else if (list_is_empty(&rules)) {
- return modify_flows_add(ofproto, ofconn, fm, request);
- } else {
- return list_is_singleton(&rules) ? modify_flows__(ofproto, ofconn,
- fm, request, &rules)
- : 0;
+ rule_criteria_init(&criteria, fm->table_id, &fm->match, fm->priority,
+ fm->cookie, fm->cookie_mask, OFPP_ANY, OFPG11_ANY);
+ error = collect_rules_strict(ofproto, &criteria, &rules);
+ rule_criteria_destroy(&criteria);
+
+ if (!error) {
+ if (rules.n == 0) {
+ error = modify_flows_add(ofproto, ofconn, fm, request);
+ } else if (rules.n == 1) {
+ error = modify_flows__(ofproto, ofconn, fm, request, &rules);
+ }
}
+
+ rule_collection_destroy(&rules);
+
+ return error;
}
\f
/* OFPFC_DELETE implementation. */
* Returns 0 on success, otherwise an OpenFlow error code. */
static enum ofperr
delete_flows__(struct ofproto *ofproto, struct ofconn *ofconn,
- const struct ofp_header *request, struct list *rules,
+ const struct ofp_header *request,
+ const struct rule_collection *rules,
enum ofp_flow_removed_reason reason)
{
- struct rule *rule, *next;
struct ofopgroup *group;
+ size_t i;
group = ofopgroup_create(ofproto, ofconn, request, UINT32_MAX);
- LIST_FOR_EACH_SAFE (rule, next, ofproto_node, rules) {
- ovs_rwlock_wrlock(&rule->evict);
+ for (i = 0; i < rules->n; i++) {
+ struct rule *rule = rules->rules[i];
+ ovs_mutex_lock(&rule->mutex);
delete_flow__(rule, group, reason);
}
ofopgroup_submit(group);
const struct ofputil_flow_mod *fm,
const struct ofp_header *request)
{
- struct list rules;
+ struct rule_criteria criteria;
+ struct rule_collection rules;
enum ofperr error;
- error = collect_rules_loose(ofproto, fm->table_id, &fm->match,
- fm->cookie, fm->cookie_mask,
- fm->out_port, fm->out_group, &rules);
- return (error ? error
- : !list_is_empty(&rules) ? delete_flows__(ofproto, ofconn, request,
- &rules, OFPRR_DELETE)
- : 0);
+ rule_criteria_init(&criteria, fm->table_id, &fm->match, 0,
+ fm->cookie, fm->cookie_mask,
+ fm->out_port, fm->out_group);
+ error = collect_rules_loose(ofproto, &criteria, &rules);
+ rule_criteria_destroy(&criteria);
+
+ if (!error && rules.n > 0) {
+ error = delete_flows__(ofproto, ofconn, request, &rules, OFPRR_DELETE);
+ }
+ rule_collection_destroy(&rules);
+
+ return error;
}
/* Implements OFPFC_DELETE_STRICT. */
const struct ofputil_flow_mod *fm,
const struct ofp_header *request)
{
- struct list rules;
+ struct rule_criteria criteria;
+ struct rule_collection rules;
enum ofperr error;
- error = collect_rules_strict(ofproto, fm->table_id, &fm->match,
- fm->priority, fm->cookie, fm->cookie_mask,
- fm->out_port, fm->out_group, &rules);
- return (error ? error
- : list_is_singleton(&rules) ? delete_flows__(ofproto, ofconn,
- request, &rules,
- OFPRR_DELETE)
- : 0);
+ rule_criteria_init(&criteria, fm->table_id, &fm->match, fm->priority,
+ fm->cookie, fm->cookie_mask,
+ fm->out_port, fm->out_group);
+ error = collect_rules_strict(ofproto, &criteria, &rules);
+ rule_criteria_destroy(&criteria);
+
+ if (!error && rules.n > 0) {
+ error = delete_flows__(ofproto, ofconn, request, &rules, OFPRR_DELETE);
+ }
+ rule_collection_destroy(&rules);
+
+ return error;
}
static void
{
struct ofputil_flow_removed fr;
- if (ofproto_rule_is_hidden(rule) || !rule->send_flow_removed) {
+ if (ofproto_rule_is_hidden(rule) ||
+ !(rule->flags & OFPUTIL_FF_SEND_FLOW_REM)) {
return;
}
fr.table_id = rule->table_id;
calc_duration(rule->created, time_msec(),
&fr.duration_sec, &fr.duration_nsec);
- ovs_mutex_lock(&rule->timeout_mutex);
+ ovs_mutex_lock(&rule->mutex);
fr.idle_timeout = rule->idle_timeout;
fr.hard_timeout = rule->hard_timeout;
- ovs_mutex_unlock(&rule->timeout_mutex);
+ ovs_mutex_unlock(&rule->mutex);
rule->ofproto->ofproto_class->rule_get_stats(rule, &fr.packet_count,
&fr.byte_count);
ofproto_rule_send_removed(rule, reason);
ovs_rwlock_wrlock(&cls->rwlock);
- ofproto_delete_rule(ofproto, cls, rule);
+ ofproto_rule_delete(ofproto, cls, rule);
ovs_rwlock_unlock(&cls->rwlock);
}
void
ofproto_rule_reduce_timeouts(struct rule *rule,
uint16_t idle_timeout, uint16_t hard_timeout)
- OVS_EXCLUDED(rule->ofproto->expirable_mutex, rule->timeout_mutex)
+ OVS_EXCLUDED(ofproto_mutex, rule->mutex)
{
if (!idle_timeout && !hard_timeout) {
return;
}
- ovs_mutex_lock(&rule->ofproto->expirable_mutex);
+ ovs_mutex_lock(&ofproto_mutex);
if (list_is_empty(&rule->expirable)) {
list_insert(&rule->ofproto->expirable, &rule->expirable);
}
- ovs_mutex_unlock(&rule->ofproto->expirable_mutex);
+ ovs_mutex_unlock(&ofproto_mutex);
- ovs_mutex_lock(&rule->timeout_mutex);
+ ovs_mutex_lock(&rule->mutex);
reduce_timeout(idle_timeout, &rule->idle_timeout);
reduce_timeout(hard_timeout, &rule->hard_timeout);
- ovs_mutex_unlock(&rule->timeout_mutex);
+ ovs_mutex_unlock(&rule->mutex);
}
\f
static enum ofperr
handle_flow_mod__(struct ofproto *ofproto, struct ofconn *ofconn,
struct ofputil_flow_mod *fm, const struct ofp_header *oh)
{
- if (ofproto->n_pending >= 50) {
- ovs_assert(!list_is_empty(&ofproto->pending));
- return OFPROTO_POSTPONE;
- }
+ enum ofperr error;
- switch (fm->command) {
- case OFPFC_ADD:
- return add_flow(ofproto, ofconn, fm, oh);
+ if (ofproto->n_pending < 50) {
+ switch (fm->command) {
+ case OFPFC_ADD:
+ error = add_flow(ofproto, ofconn, fm, oh);
+ break;
- case OFPFC_MODIFY:
- return modify_flows_loose(ofproto, ofconn, fm, oh);
+ case OFPFC_MODIFY:
+ error = modify_flows_loose(ofproto, ofconn, fm, oh);
+ break;
- case OFPFC_MODIFY_STRICT:
- return modify_flow_strict(ofproto, ofconn, fm, oh);
+ case OFPFC_MODIFY_STRICT:
+ error = modify_flow_strict(ofproto, ofconn, fm, oh);
+ break;
- case OFPFC_DELETE:
- return delete_flows_loose(ofproto, ofconn, fm, oh);
+ case OFPFC_DELETE:
+ error = delete_flows_loose(ofproto, ofconn, fm, oh);
+ break;
- case OFPFC_DELETE_STRICT:
- return delete_flow_strict(ofproto, ofconn, fm, oh);
+ case OFPFC_DELETE_STRICT:
+ error = delete_flow_strict(ofproto, ofconn, fm, oh);
+ break;
- default:
- if (fm->command > 0xff) {
- VLOG_WARN_RL(&rl, "%s: flow_mod has explicit table_id but "
- "flow_mod_table_id extension is not enabled",
- ofproto->name);
+ default:
+ if (fm->command > 0xff) {
+ VLOG_WARN_RL(&rl, "%s: flow_mod has explicit table_id but "
+ "flow_mod_table_id extension is not enabled",
+ ofproto->name);
+ }
+ error = OFPERR_OFPFMFC_BAD_COMMAND;
+ break;
}
- return OFPERR_OFPFMFC_BAD_COMMAND;
+ } else {
+ ovs_assert(!list_is_empty(&ofproto->pending));
+ error = OFPROTO_POSTPONE;
}
+
+ run_rule_executes(ofproto);
+ return error;
}
static enum ofperr
return 0;
}
+static enum ofperr
+handle_nxt_get_async_request(struct ofconn *ofconn, const struct ofp_header *oh)
+{
+ struct ofpbuf *buf;
+ uint32_t master[OAM_N_TYPES];
+ uint32_t slave[OAM_N_TYPES];
+ struct nx_async_config *msg;
+
+ ofconn_get_async_config(ofconn, master, slave);
+ buf = ofpraw_alloc_reply(OFPRAW_OFPT13_GET_ASYNC_REPLY, oh, 0);
+ msg = ofpbuf_put_zeros(buf, sizeof *msg);
+
+ msg->packet_in_mask[0] = htonl(master[OAM_PACKET_IN]);
+ msg->port_status_mask[0] = htonl(master[OAM_PORT_STATUS]);
+ msg->flow_removed_mask[0] = htonl(master[OAM_FLOW_REMOVED]);
+
+ msg->packet_in_mask[1] = htonl(slave[OAM_PACKET_IN]);
+ msg->port_status_mask[1] = htonl(slave[OAM_PORT_STATUS]);
+ msg->flow_removed_mask[1] = htonl(slave[OAM_FLOW_REMOVED]);
+
+ ofconn_send_reply(ofconn, buf);
+
+ return 0;
+}
+
static enum ofperr
handle_nxt_set_controller_id(struct ofconn *ofconn,
const struct ofp_header *oh)
struct list *msgs)
{
struct ofoperation *op = rule->pending;
+ const struct rule_actions *actions;
struct ofputil_flow_update fu;
struct match match;
fu.event = (flags & (NXFMF_INITIAL | NXFMF_ADD)
? NXFME_ADDED : NXFME_MODIFIED);
fu.reason = 0;
- ovs_mutex_lock(&rule->timeout_mutex);
+ ovs_mutex_lock(&rule->mutex);
fu.idle_timeout = rule->idle_timeout;
fu.hard_timeout = rule->hard_timeout;
- ovs_mutex_unlock(&rule->timeout_mutex);
+ ovs_mutex_unlock(&rule->mutex);
fu.table_id = rule->table_id;
fu.cookie = rule->flow_cookie;
minimatch_expand(&rule->cr.match, &match);
fu.match = &match;
fu.priority = rule->cr.priority;
+
if (!(flags & NXFMF_ACTIONS)) {
- fu.ofpacts = NULL;
- fu.ofpacts_len = 0;
+ actions = NULL;
} else if (!op) {
- fu.ofpacts = rule->ofpacts;
- fu.ofpacts_len = rule->ofpacts_len;
+ actions = rule->actions;
} else {
/* An operation is in progress. Use the previous version of the flow's
* actions, so that when the operation commits we report the change. */
case OFOPERATION_MODIFY:
case OFOPERATION_REPLACE:
- if (op->ofpacts) {
- fu.ofpacts = op->ofpacts;
- fu.ofpacts_len = op->ofpacts_len;
- } else {
- fu.ofpacts = rule->ofpacts;
- fu.ofpacts_len = rule->ofpacts_len;
- }
+ actions = op->actions ? op->actions : rule->actions;
break;
case OFOPERATION_DELETE:
- fu.ofpacts = rule->ofpacts;
- fu.ofpacts_len = rule->ofpacts_len;
+ actions = rule->actions;
break;
default:
NOT_REACHED();
}
}
+ fu.ofpacts = actions ? actions->ofpacts : NULL;
+ fu.ofpacts_len = actions ? actions->ofpacts_len : 0;
if (list_is_empty(msgs)) {
ofputil_start_flow_update(msgs);
}
void
-ofmonitor_compose_refresh_updates(struct list *rules, struct list *msgs)
+ofmonitor_compose_refresh_updates(struct rule_collection *rules,
+ struct list *msgs)
{
- struct rule *rule;
+ size_t i;
- LIST_FOR_EACH (rule, ofproto_node, rules) {
+ for (i = 0; i < rules->n; i++) {
+ struct rule *rule = rules->rules[i];
enum nx_flow_monitor_flags flags = rule->monitor_flags;
rule->monitor_flags = 0;
static void
ofproto_collect_ofmonitor_refresh_rule(const struct ofmonitor *m,
struct rule *rule, uint64_t seqno,
- struct list *rules)
+ struct rule_collection *rules)
{
enum nx_flow_monitor_flags update;
}
if (!rule->monitor_flags) {
- list_push_back(rules, &rule->ofproto_node);
+ rule_collection_add(rules, rule);
}
rule->monitor_flags |= update | (m->flags & NXFMF_ACTIONS);
}
static void
ofproto_collect_ofmonitor_refresh_rules(const struct ofmonitor *m,
uint64_t seqno,
- struct list *rules)
+ struct rule_collection *rules)
{
const struct ofproto *ofproto = ofconn_get_ofproto(m->ofconn);
const struct ofoperation *op;
static void
ofproto_collect_ofmonitor_initial_rules(struct ofmonitor *m,
- struct list *rules)
+ struct rule_collection *rules)
{
if (m->flags & NXFMF_INITIAL) {
ofproto_collect_ofmonitor_refresh_rules(m, 0, rules);
void
ofmonitor_collect_resume_rules(struct ofmonitor *m,
- uint64_t seqno, struct list *rules)
+ uint64_t seqno, struct rule_collection *rules)
{
ofproto_collect_ofmonitor_refresh_rules(m, seqno, rules);
}
struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
struct ofmonitor **monitors;
size_t n_monitors, allocated_monitors;
+ struct rule_collection rules;
struct list replies;
enum ofperr error;
- struct list rules;
struct ofpbuf b;
size_t i;
monitors[n_monitors++] = m;
}
- list_init(&rules);
+ rule_collection_init(&rules);
for (i = 0; i < n_monitors; i++) {
ofproto_collect_ofmonitor_initial_rules(monitors[i], &rules);
}
ofpmp_init(&replies, oh);
ofmonitor_compose_refresh_updates(&rules, &replies);
+ rule_collection_destroy(&rules);
+
ofconn_send_replies(ofconn, &replies);
free(monitors);
{
struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
uint32_t meter_id = mm->meter.meter_id;
+ struct rule_collection rules;
+ enum ofperr error = 0;
uint32_t first, last;
- struct list rules;
if (meter_id == OFPM13_ALL) {
first = 1;
/* First delete the rules that use this meter. If any of those rules are
* currently being modified, postpone the whole operation until later. */
- list_init(&rules);
+ rule_collection_init(&rules);
for (meter_id = first; meter_id <= last; ++meter_id) {
struct meter *meter = ofproto->meters[meter_id];
if (meter && !list_is_empty(&meter->rules)) {
LIST_FOR_EACH (rule, meter_list_node, &meter->rules) {
if (rule->pending) {
- return OFPROTO_POSTPONE;
+ error = OFPROTO_POSTPONE;
+ goto exit;
}
- list_push_back(&rules, &rule->ofproto_node);
+ rule_collection_add(&rules, rule);
}
}
}
- if (!list_is_empty(&rules)) {
+ if (rules.n > 0) {
delete_flows__(ofproto, ofconn, oh, &rules, OFPRR_METER_DELETE);
}
/* Delete the meters. */
meter_delete(ofproto, first, last);
- return 0;
+exit:
+ rule_collection_destroy(&rules);
+
+ return error;
}
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;
long long int now = time_msec();
int error;
+ ogs.bucket_stats = xmalloc(group->n_buckets * sizeof *ogs.bucket_stats);
+
error = (ofproto->ofproto_class->group_get_stats
? ofproto->ofproto_class->group_get_stats(group, &ogs)
: EOPNOTSUPP);
calc_duration(group->created, now, &ogs.duration_sec, &ogs.duration_nsec);
ofputil_append_group_stats(replies, &ogs);
+
+ free(ogs.bucket_stats);
}
static enum ofperr
}
}
+static enum ofperr
+handle_table_mod(struct ofconn *ofconn, const struct ofp_header *oh)
+{
+ struct ofputil_table_mod tm;
+ enum ofperr error;
+
+ error = reject_slave_controller(ofconn);
+ if (error) {
+ return error;
+ }
+
+ error = ofputil_decode_table_mod(oh, &tm);
+ if (error) {
+ return error;
+ }
+
+ /* XXX Actual table mod support is not implemented yet. */
+ return 0;
+}
+
static enum ofperr
handle_openflow__(struct ofconn *ofconn, const struct ofpbuf *msg)
{
case OFPTYPE_GROUP_MOD:
return handle_group_mod(ofconn, oh);
+ case OFPTYPE_TABLE_MOD:
+ return handle_table_mod(ofconn, oh);
+
case OFPTYPE_METER_MOD:
return handle_meter_mod(ofconn, oh);
case OFPTYPE_SET_ASYNC_CONFIG:
return handle_nxt_set_async_config(ofconn, oh);
+ case OFPTYPE_GET_ASYNC_REQUEST:
+ return handle_nxt_get_async_request(ofconn, oh);
+
/* Statistics requests. */
case OFPTYPE_DESC_STATS_REQUEST:
return handle_desc_stats_request(ofconn, oh);
/* FIXME: Change the following once they are implemented: */
case OFPTYPE_QUEUE_GET_CONFIG_REQUEST:
- case OFPTYPE_GET_ASYNC_REQUEST:
case OFPTYPE_TABLE_FEATURES_STATS_REQUEST:
return OFPERR_OFPBRC_BAD_TYPE;
error = ofconn_pktbuf_retrieve(group->ofconn, group->buffer_id,
&packet, &in_port);
if (packet) {
+ struct rule_execute *re;
+
ovs_assert(!error);
- error = rule_execute(op->rule, in_port, packet);
+
+ ofproto_rule_ref(op->rule);
+
+ re = xmalloc(sizeof *re);
+ re->rule = op->rule;
+ re->in_port = in_port;
+ re->packet = packet;
+
+ if (!guarded_list_push_back(&ofproto->rule_executes,
+ &re->list_node, 1024)) {
+ ofproto_rule_unref(op->rule);
+ ofpbuf_delete(re->packet);
+ free(re);
+ }
}
break;
}
if (!(op->error
|| ofproto_rule_is_hidden(rule)
|| (op->type == OFOPERATION_MODIFY
- && op->ofpacts
+ && op->actions
&& rule->flow_cookie == op->flow_cookie))) {
/* Check that we can just cast from ofoperation_type to
* nx_flow_update_event. */
}
}
} else {
- ovs_rwlock_wrlock(&rule->evict);
+ ovs_mutex_lock(&rule->mutex);
oftable_remove_rule(rule);
- ofproto_rule_destroy__(rule);
+ ofproto_rule_unref(rule);
}
break;
case OFOPERATION_DELETE:
ovs_assert(!op->error);
- ofproto_rule_destroy__(rule);
+ ofproto_rule_unref(rule);
op->rule = NULL;
break;
}
} else {
ofproto_rule_change_cookie(ofproto, rule, op->flow_cookie);
- ovs_mutex_lock(&rule->timeout_mutex);
+ ovs_mutex_lock(&rule->mutex);
rule->idle_timeout = op->idle_timeout;
rule->hard_timeout = op->hard_timeout;
- ovs_mutex_unlock(&rule->timeout_mutex);
- if (op->ofpacts) {
- free(rule->ofpacts);
- rule->ofpacts = op->ofpacts;
- rule->ofpacts_len = op->ofpacts_len;
- op->ofpacts = NULL;
- op->ofpacts_len = 0;
+ ovs_mutex_unlock(&rule->mutex);
+ if (op->actions) {
+ struct rule_actions *old_actions;
+
+ ovs_mutex_lock(&rule->mutex);
+ old_actions = rule->actions;
+ rule->actions = op->actions;
+ ovs_mutex_unlock(&rule->mutex);
+
+ op->actions = NULL;
+ rule_actions_unref(old_actions);
}
- rule->send_flow_removed = op->send_flow_removed;
+ rule->flags = op->flags;
}
break;
op->type = type;
op->reason = reason;
op->flow_cookie = rule->flow_cookie;
- ovs_mutex_lock(&rule->timeout_mutex);
+ ovs_mutex_lock(&rule->mutex);
op->idle_timeout = rule->idle_timeout;
op->hard_timeout = rule->hard_timeout;
- ovs_mutex_unlock(&rule->timeout_mutex);
- op->send_flow_removed = rule->send_flow_removed;
+ ovs_mutex_unlock(&rule->mutex);
+ op->flags = rule->flags;
group->n_running++;
hmap_remove(&group->ofproto->deletions, &op->hmap_node);
}
list_remove(&op->group_node);
- free(op->ofpacts);
+ rule_actions_unref(op->actions);
free(op);
}
struct rule *rule;
HEAP_FOR_EACH (rule, evg_node, &evg->rules) {
- if (!ovs_rwlock_trywrlock(&rule->evict)) {
+ if (!ovs_mutex_trylock(&rule->mutex)) {
*rulep = rule;
return true;
}
static void
ofproto_evict(struct ofproto *ofproto)
{
- struct ofopgroup *group;
struct oftable *table;
- group = ofopgroup_create_unattached(ofproto);
OFPROTO_FOR_EACH_TABLE (table, ofproto) {
- while (table->eviction_fields) {
- struct rule *rule;
- size_t n_rules;
-
- ovs_rwlock_rdlock(&table->cls.rwlock);
- n_rules = classifier_count(&table->cls);
- ovs_rwlock_unlock(&table->cls.rwlock);
-
- if (n_rules <= table->max_flows) {
- break;
- }
-
- if (!choose_rule_to_evict(table, &rule)) {
- break;
- }
-
- if (rule->pending) {
- ovs_rwlock_unlock(&rule->evict);
- break;
- }
-
- ofoperation_create(group, rule,
- OFOPERATION_DELETE, OFPRR_EVICTION);
- oftable_remove_rule(rule);
- ofproto->ofproto_class->rule_delete(rule);
- }
+ evict_rules_from_table(ofproto, table, 0);
}
- ofopgroup_submit(group);
}
\f
/* Eviction groups. */
uint32_t expiration_offset;
/* Calculate time of expiration. */
- ovs_mutex_lock(&rule->timeout_mutex);
+ ovs_mutex_lock(&rule->mutex);
hard_expiration = (rule->hard_timeout
? rule->modified + rule->hard_timeout * 1000
: LLONG_MAX);
? rule->used + rule->idle_timeout * 1000
: LLONG_MAX);
expiration = MIN(hard_expiration, idle_expiration);
- ovs_mutex_unlock(&rule->timeout_mutex);
+ ovs_mutex_unlock(&rule->mutex);
if (expiration == LLONG_MAX) {
return 0;
}
struct oftable *table = &ofproto->tables[rule->table_id];
bool has_timeout;
- ovs_mutex_lock(&rule->timeout_mutex);
+ ovs_mutex_lock(&rule->mutex);
has_timeout = rule->hard_timeout || rule->idle_timeout;
- ovs_mutex_unlock(&rule->timeout_mutex);
+ ovs_mutex_unlock(&rule->mutex);
if (table->eviction_fields && has_timeout) {
struct eviction_group *evg;
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->mutex)
{
- classifier_remove(cls, &rule->cr);
+ classifier_remove(cls, CONST_CAST(struct cls_rule *, &rule->cr));
+
+ ovs_mutex_lock(&ofproto_mutex);
cookies_remove(ofproto, rule);
+ ovs_mutex_unlock(&ofproto_mutex);
+
eviction_group_remove_rule(rule);
- ovs_mutex_lock(&ofproto->expirable_mutex);
+ ovs_mutex_lock(&ofproto_mutex);
if (!list_is_empty(&rule->expirable)) {
list_remove(&rule->expirable);
}
- ovs_mutex_unlock(&ofproto->expirable_mutex);
+ ovs_mutex_unlock(&ofproto_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_mutex_unlock(&rule->mutex);
}
static void
struct oftable *table = &ofproto->tables[rule->table_id];
bool may_expire;
- ovs_mutex_lock(&rule->timeout_mutex);
+ ovs_mutex_lock(&rule->mutex);
may_expire = rule->hard_timeout || rule->idle_timeout;
- ovs_mutex_unlock(&rule->timeout_mutex);
+ ovs_mutex_unlock(&rule->mutex);
if (may_expire) {
- ovs_mutex_lock(&ofproto->expirable_mutex);
+ ovs_mutex_lock(&ofproto_mutex);
list_insert(&ofproto->expirable, &rule->expirable);
- ovs_mutex_unlock(&ofproto->expirable_mutex);
+ ovs_mutex_unlock(&ofproto_mutex);
}
+
+ ovs_mutex_lock(&ofproto_mutex);
cookies_insert(ofproto, rule);
- if (rule->meter_id) {
- struct meter *meter = ofproto->meters[rule->meter_id];
+ ovs_mutex_unlock(&ofproto_mutex);
+
+ if (rule->actions->meter_id) {
+ struct meter *meter = ofproto->meters[rule->actions->meter_id];
list_insert(&meter->rules, &rule->meter_list_node);
}
ovs_rwlock_wrlock(&table->cls.rwlock);
- classifier_insert(&table->cls, &rule->cr);
+ classifier_insert(&table->cls, CONST_CAST(struct cls_rule *, &rule->cr));
ovs_rwlock_unlock(&table->cls.rwlock);
eviction_group_add_rule(rule);
}