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 *);
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 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 *,
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);
ofproto->vlan_bitmap = NULL;
ofproto->vlans_changed = false;
ofproto->min_mtu = INT_MAX;
+ ovs_rwlock_init(&ofproto->groups_rwlock);
+ hmap_init(&ofproto->groups);
error = ofproto->ofproto_class->construct(ofproto);
if (error) {
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);
}
}
+static void delete_group(struct ofproto *ofproto, uint32_t group_id);
+
static void
ofproto_destroy__(struct ofproto *ofproto)
{
free(ofproto->meters);
}
+ delete_group(ofproto, OFPG_ALL);
+ ovs_rwlock_destroy(&ofproto->groups_rwlock);
+ hmap_destroy(&ofproto->groups);
+
connmgr_destroy(ofproto->connmgr);
hmap_remove(&all_ofprotos, &ofproto->hmap_node);
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 cls_rule cr;
+ 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, &cr);
+ 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;
}
cls_rule_destroy(&rule->cr);
free(rule->ofpacts);
ovs_mutex_destroy(&rule->timeout_mutex);
- ovs_rwlock_destroy(&rule->evict);
+ ovs_rwlock_destroy(&rule->rwlock);
rule->ofproto->ofproto_class->rule_dealloc(rule);
}
}
|| ofpacts_output_to_port(rule->ofpacts, rule->ofpacts_len, port));
}
+/* Returns true if 'rule' has group and equals group_id. */
+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));
+}
+
/* Returns true if a rule related to 'op' has an OpenFlow OFPAT_OUTPUT or
* OFPAT_ENQUEUE action that outputs to 'out_port'. */
bool
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);
}
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, struct list *rules)
+ ofp_port_t out_port, uint32_t out_group,
+ struct list *rules)
{
struct oftable *table;
struct cls_rule cr;
}
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);
}
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, struct list *rules)
+ ofp_port_t out_port, uint32_t out_group,
+ struct list *rules)
{
struct oftable *table;
struct cls_rule cr;
}
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);
}
error = collect_rules_loose(ofproto, fsr.table_id, &fsr.match,
fsr.cookie, fsr.cookie_mask,
- fsr.out_port, &rules);
+ fsr.out_port, fsr.out_group, &rules);
if (error) {
return error;
}
error = collect_rules_loose(ofproto, request.table_id, &request.match,
request.cookie, request.cookie_mask,
- request.out_port, &rules);
+ request.out_port, request.out_group, &rules);
if (error) {
return error;
}
} 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);
error = collect_rules_loose(ofproto, fm->table_id, &fm->match,
fm->cookie, fm->cookie_mask,
- OFPP_ANY, &rules);
+ OFPP_ANY, OFPG11_ANY, &rules);
if (error) {
return error;
} else if (list_is_empty(&rules)) {
error = collect_rules_strict(ofproto, fm->table_id, &fm->match,
fm->priority, fm->cookie, fm->cookie_mask,
- OFPP_ANY, &rules);
-
+ OFPP_ANY, OFPG11_ANY, &rules);
if (error) {
return error;
} else if (list_is_empty(&rules)) {
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);
error = collect_rules_loose(ofproto, fm->table_id, &fm->match,
fm->cookie, fm->cookie_mask,
- fm->out_port, &rules);
+ fm->out_port, fm->out_group, &rules);
return (error ? error
: !list_is_empty(&rules) ? delete_flows__(ofproto, ofconn, request,
&rules, OFPRR_DELETE)
error = collect_rules_strict(ofproto, fm->table_id, &fm->match,
fm->priority, fm->cookie, fm->cookie_mask,
- fm->out_port, &rules);
+ fm->out_port, fm->out_group, &rules);
return (error ? error
: list_is_singleton(&rules) ? delete_flows__(ofproto, ofconn,
request, &rules,
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.
struct ofproto *ofproto = rule->ofproto;
struct classifier *cls = &ofproto->tables[rule->table_id].cls;
- ovs_assert(reason == OFPRR_HARD_TIMEOUT || reason == OFPRR_IDLE_TIMEOUT);
+ ovs_assert(reason == OFPRR_HARD_TIMEOUT || reason == OFPRR_IDLE_TIMEOUT
+ || reason == OFPRR_DELETE || reason == OFPRR_GROUP_DELETE);
ofproto_rule_send_removed(rule, reason);
ovs_rwlock_wrlock(&cls->rwlock);
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
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)
return 0;
}
+bool
+ofproto_group_lookup(const struct ofproto *ofproto, uint32_t group_id,
+ struct ofgroup **group)
+ OVS_TRY_RDLOCK(true, (*group)->rwlock)
+{
+ ovs_rwlock_rdlock(&ofproto->groups_rwlock);
+ HMAP_FOR_EACH_IN_BUCKET (*group, hmap_node,
+ hash_int(group_id, 0), &ofproto->groups) {
+ if ((*group)->group_id == group_id) {
+ ovs_rwlock_rdlock(&(*group)->rwlock);
+ ovs_rwlock_unlock(&ofproto->groups_rwlock);
+ return true;
+ }
+ }
+ ovs_rwlock_unlock(&ofproto->groups_rwlock);
+ return false;
+}
+
+void
+ofproto_group_release(struct ofgroup *group)
+ OVS_RELEASES(group->rwlock)
+{
+ ovs_rwlock_unlock(&group->rwlock);
+}
+
+static bool
+ofproto_group_write_lookup(const struct ofproto *ofproto, uint32_t group_id,
+ struct ofgroup **group)
+ OVS_TRY_WRLOCK(true, ofproto->groups_rwlock)
+ OVS_TRY_WRLOCK(true, (*group)->rwlock)
+{
+ ovs_rwlock_wrlock(&ofproto->groups_rwlock);
+ HMAP_FOR_EACH_IN_BUCKET (*group, hmap_node,
+ hash_int(group_id, 0), &ofproto->groups) {
+ if ((*group)->group_id == group_id) {
+ ovs_rwlock_wrlock(&(*group)->rwlock);
+ return true;
+ }
+ }
+ ovs_rwlock_unlock(&ofproto->groups_rwlock);
+ return false;
+}
+
+static bool
+ofproto_group_exists(const struct ofproto *ofproto, uint32_t group_id)
+ OVS_REQ_RDLOCK(ofproto->groups_rwlock)
+{
+ struct ofgroup *grp;
+
+ HMAP_FOR_EACH_IN_BUCKET (grp, hmap_node,
+ hash_int(group_id, 0), &ofproto->groups) {
+ if (grp->group_id == group_id) {
+ return true;
+ }
+ }
+ return false;
+}
+
+static void
+append_group_stats(struct ofgroup *group, struct list *replies)
+ OVS_REQ_RDLOCK(group->rwlock)
+{
+ struct ofputil_group_stats ogs;
+ struct ofproto *ofproto = group->ofproto;
+ 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);
+ if (error) {
+ ogs.ref_count = UINT32_MAX;
+ ogs.packet_count = UINT64_MAX;
+ ogs.byte_count = UINT64_MAX;
+ ogs.n_buckets = group->n_buckets;
+ memset(ogs.bucket_stats, 0xff,
+ ogs.n_buckets * sizeof *ogs.bucket_stats);
+ }
+
+ ogs.group_id = group->group_id;
+ calc_duration(group->created, now, &ogs.duration_sec, &ogs.duration_nsec);
+
+ ofputil_append_group_stats(replies, &ogs);
+
+ free(ogs.bucket_stats);
+}
+
+static enum ofperr
+handle_group_stats_request(struct ofconn *ofconn,
+ const struct ofp_header *request)
+{
+ struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
+ struct list replies;
+ enum ofperr error;
+ struct ofgroup *group;
+ uint32_t group_id;
+
+ error = ofputil_decode_group_stats_request(request, &group_id);
+ if (error) {
+ return error;
+ }
+
+ ofpmp_init(&replies, request);
+
+ if (group_id == OFPG_ALL) {
+ ovs_rwlock_rdlock(&ofproto->groups_rwlock);
+ HMAP_FOR_EACH (group, hmap_node, &ofproto->groups) {
+ ovs_rwlock_rdlock(&group->rwlock);
+ append_group_stats(group, &replies);
+ ovs_rwlock_unlock(&group->rwlock);
+ }
+ ovs_rwlock_unlock(&ofproto->groups_rwlock);
+ } else {
+ if (ofproto_group_lookup(ofproto, group_id, &group)) {
+ append_group_stats(group, &replies);
+ ofproto_group_release(group);
+ }
+ }
+
+ ofconn_send_replies(ofconn, &replies);
+
+ return 0;
+}
+
+static enum ofperr
+handle_group_desc_stats_request(struct ofconn *ofconn,
+ const struct ofp_header *request)
+{
+ struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
+ struct list replies;
+ struct ofputil_group_desc gds;
+ struct ofgroup *group;
+
+ ofpmp_init(&replies, request);
+
+ ovs_rwlock_rdlock(&ofproto->groups_rwlock);
+ HMAP_FOR_EACH (group, hmap_node, &ofproto->groups) {
+ gds.group_id = group->group_id;
+ gds.type = group->type;
+ ofputil_append_group_desc_reply(&gds, &group->buckets, &replies);
+ }
+ ovs_rwlock_unlock(&ofproto->groups_rwlock);
+
+ ofconn_send_replies(ofconn, &replies);
+
+ return 0;
+}
+
+static enum ofperr
+handle_group_features_stats_request(struct ofconn *ofconn,
+ const struct ofp_header *request)
+{
+ struct ofproto *p = ofconn_get_ofproto(ofconn);
+ struct ofpbuf *msg;
+
+ msg = ofputil_encode_group_features_reply(&p->ogf, request);
+ if (msg) {
+ ofconn_send_reply(ofconn, msg);
+ }
+
+ return 0;
+}
+
+/* Implements OFPGC11_ADD
+ * in which no matching flow already exists in the flow table.
+ *
+ * Adds the flow specified by 'ofm', which is followed by 'n_actions'
+ * ofp_actions, to the ofproto's flow table. Returns 0 on success, an OpenFlow
+ * 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.
+ *
+ * 'ofconn' is used to retrieve the packet buffer specified in ofm->buffer_id,
+ * if any. */
+static enum ofperr
+add_group(struct ofproto *ofproto, struct ofputil_group_mod *gm)
+{
+ struct ofgroup *ofgroup;
+ enum ofperr error;
+
+ if (gm->group_id > OFPG_MAX) {
+ return OFPERR_OFPGMFC_INVALID_GROUP;
+ }
+ if (gm->type > OFPGT11_FF) {
+ return OFPERR_OFPGMFC_BAD_TYPE;
+ }
+
+ /* Allocate new group and initialize it. */
+ ofgroup = ofproto->ofproto_class->group_alloc();
+ if (!ofgroup) {
+ VLOG_WARN_RL(&rl, "%s: failed to create group", ofproto->name);
+ return OFPERR_OFPGMFC_OUT_OF_GROUPS;
+ }
+
+ ovs_rwlock_init(&ofgroup->rwlock);
+ ofgroup->ofproto = ofproto;
+ ofgroup->group_id = gm->group_id;
+ ofgroup->type = gm->type;
+ ofgroup->created = ofgroup->modified = time_msec();
+
+ list_move(&ofgroup->buckets, &gm->buckets);
+ ofgroup->n_buckets = list_size(&ofgroup->buckets);
+
+ /* Construct called BEFORE any locks are held. */
+ error = ofproto->ofproto_class->group_construct(ofgroup);
+ if (error) {
+ goto free_out;
+ }
+
+ /* We wrlock as late as possible to minimize the time we jam any other
+ * threads: No visible state changes before acquiring the lock. */
+ ovs_rwlock_wrlock(&ofproto->groups_rwlock);
+
+ if (ofproto->n_groups[gm->type] >= ofproto->ogf.max_groups[gm->type]) {
+ error = OFPERR_OFPGMFC_OUT_OF_GROUPS;
+ goto unlock_out;
+ }
+
+ if (ofproto_group_exists(ofproto, gm->group_id)) {
+ error = OFPERR_OFPGMFC_GROUP_EXISTS;
+ goto unlock_out;
+ }
+
+ if (!error) {
+ /* Insert new group. */
+ hmap_insert(&ofproto->groups, &ofgroup->hmap_node,
+ hash_int(ofgroup->group_id, 0));
+ ofproto->n_groups[ofgroup->type]++;
+
+ ovs_rwlock_unlock(&ofproto->groups_rwlock);
+ return error;
+ }
+
+ unlock_out:
+ ovs_rwlock_unlock(&ofproto->groups_rwlock);
+ ofproto->ofproto_class->group_destruct(ofgroup);
+ free_out:
+ ofputil_bucket_list_destroy(&ofgroup->buckets);
+ ofproto->ofproto_class->group_dealloc(ofgroup);
+
+ return error;
+}
+
+/* Implements OFPFC_MODIFY. Returns 0 on success or an OpenFlow error code on
+ * failure.
+ *
+ * 'ofconn' is used to retrieve the packet buffer specified in fm->buffer_id,
+ * if any. */
+static enum ofperr
+modify_group(struct ofproto *ofproto, struct ofputil_group_mod *gm)
+{
+ struct ofgroup *ofgroup;
+ struct ofgroup *victim;
+ enum ofperr error;
+
+ if (gm->group_id > OFPG_MAX) {
+ return OFPERR_OFPGMFC_INVALID_GROUP;
+ }
+
+ if (gm->type > OFPGT11_FF) {
+ return OFPERR_OFPGMFC_BAD_TYPE;
+ }
+
+ victim = ofproto->ofproto_class->group_alloc();
+ if (!victim) {
+ VLOG_WARN_RL(&rl, "%s: failed to allocate group", ofproto->name);
+ return OFPERR_OFPGMFC_OUT_OF_GROUPS;
+ }
+
+ if (!ofproto_group_write_lookup(ofproto, gm->group_id, &ofgroup)) {
+ error = OFPERR_OFPGMFC_UNKNOWN_GROUP;
+ goto free_out;
+ }
+ /* Both group's and its container's write locks held now.
+ * Also, n_groups[] is protected by ofproto->groups_rwlock. */
+ if (ofgroup->type != gm->type
+ && ofproto->n_groups[gm->type] >= ofproto->ogf.max_groups[gm->type]) {
+ error = OFPERR_OFPGMFC_OUT_OF_GROUPS;
+ goto unlock_out;
+ }
+
+ *victim = *ofgroup;
+ list_move(&victim->buckets, &ofgroup->buckets);
+
+ ofgroup->type = gm->type;
+ list_move(&ofgroup->buckets, &gm->buckets);
+ ofgroup->n_buckets = list_size(&ofgroup->buckets);
+
+ error = ofproto->ofproto_class->group_modify(ofgroup, victim);
+ if (!error) {
+ ofputil_bucket_list_destroy(&victim->buckets);
+ ofproto->n_groups[victim->type]--;
+ ofproto->n_groups[ofgroup->type]++;
+ ofgroup->modified = time_msec();
+ } else {
+ ofputil_bucket_list_destroy(&ofgroup->buckets);
+
+ *ofgroup = *victim;
+ list_move(&ofgroup->buckets, &victim->buckets);
+ }
+
+ unlock_out:
+ ovs_rwlock_unlock(&ofgroup->rwlock);
+ ovs_rwlock_unlock(&ofproto->groups_rwlock);
+ free_out:
+ ofproto->ofproto_class->group_dealloc(victim);
+ return error;
+}
+
+static void
+delete_group__(struct ofproto *ofproto, struct ofgroup *ofgroup)
+ OVS_RELEASES(ofproto->groups_rwlock)
+{
+ /* Must wait until existing readers are done,
+ * while holding the container's write lock at the same time. */
+ ovs_rwlock_wrlock(&ofgroup->rwlock);
+ hmap_remove(&ofproto->groups, &ofgroup->hmap_node);
+ /* No-one can find this group any more. */
+ ofproto->n_groups[ofgroup->type]--;
+ ovs_rwlock_unlock(&ofproto->groups_rwlock);
+
+ ofproto->ofproto_class->group_destruct(ofgroup);
+ ofputil_bucket_list_destroy(&ofgroup->buckets);
+ ovs_rwlock_unlock(&ofgroup->rwlock);
+ ovs_rwlock_destroy(&ofgroup->rwlock);
+ ofproto->ofproto_class->group_dealloc(ofgroup);
+}
+
+/* Implements OFPGC_DELETE. */
+static void
+delete_group(struct ofproto *ofproto, uint32_t group_id)
+{
+ struct ofgroup *ofgroup;
+
+ ovs_rwlock_wrlock(&ofproto->groups_rwlock);
+ if (group_id == OFPG_ALL) {
+ for (;;) {
+ struct hmap_node *node = hmap_first(&ofproto->groups);
+ if (!node) {
+ break;
+ }
+ ofgroup = CONTAINER_OF(node, struct ofgroup, hmap_node);
+ delete_group__(ofproto, ofgroup);
+ /* Lock for each node separately, so that we will not jam the
+ * other threads for too long time. */
+ ovs_rwlock_wrlock(&ofproto->groups_rwlock);
+ }
+ } else {
+ HMAP_FOR_EACH_IN_BUCKET (ofgroup, hmap_node,
+ hash_int(group_id, 0), &ofproto->groups) {
+ if (ofgroup->group_id == group_id) {
+ delete_group__(ofproto, ofgroup);
+ return;
+ }
+ }
+ }
+ ovs_rwlock_unlock(&ofproto->groups_rwlock);
+}
+
+static enum ofperr
+handle_group_mod(struct ofconn *ofconn, const struct ofp_header *oh)
+{
+ struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
+ struct ofputil_group_mod gm;
+ enum ofperr error;
+
+ error = reject_slave_controller(ofconn);
+ if (error) {
+ return error;
+ }
+
+ error = ofputil_decode_group_mod(oh, &gm);
+ if (error) {
+ return error;
+ }
+
+ switch (gm.command) {
+ case OFPGC11_ADD:
+ return add_group(ofproto, &gm);
+
+ case OFPGC11_MODIFY:
+ return modify_group(ofproto, &gm);
+
+ case OFPGC11_DELETE:
+ delete_group(ofproto, gm.group_id);
+ return 0;
+
+ default:
+ if (gm.command > OFPGC11_DELETE) {
+ VLOG_WARN_RL(&rl, "%s: Invalid group_mod command type %d",
+ ofproto->name, gm.command);
+ }
+ return OFPERR_OFPGMFC_BAD_COMMAND;
+ }
+}
+
+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_FLOW_MOD:
return handle_flow_mod(ofconn, oh);
+ 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);
case OFPTYPE_METER_FEATURES_STATS_REQUEST:
return handle_meter_features_request(ofconn, oh);
- /* FIXME: Change the following once they are implemented: */
- case OFPTYPE_QUEUE_GET_CONFIG_REQUEST:
- case OFPTYPE_GET_ASYNC_REQUEST:
case OFPTYPE_GROUP_STATS_REQUEST:
+ return handle_group_stats_request(ofconn, oh);
+
case OFPTYPE_GROUP_DESC_STATS_REQUEST:
+ return handle_group_desc_stats_request(ofconn, oh);
+
case OFPTYPE_GROUP_FEATURES_STATS_REQUEST:
+ return handle_group_features_stats_request(ofconn, oh);
+
+ /* FIXME: Change the following once they are implemented: */
+ case OFPTYPE_QUEUE_GET_CONFIG_REQUEST:
case OFPTYPE_TABLE_FEATURES_STATS_REQUEST:
return OFPERR_OFPBRC_BAD_TYPE;
}
}
} else {
- ovs_rwlock_wrlock(&rule->evict);
+ ovs_rwlock_wrlock(&rule->rwlock);
oftable_remove_rule(rule);
ofproto_rule_destroy__(rule);
}
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
git://git.onelab.eu / sliver-openvswitch.git / blobdiff